[ci] update GitHub Actions to use macos-13 runner instead of macos-15 for Intel builds

.gitattributes

@@ -0,0 +1,3 @@
+*.h   linguist-language=C++
+*.cpp linguist-language=C++
+*.lua linguist-language=Xmake

.github/workflows/build.yml

@@ -0,0 +1,387 @@
+name: Build and Release
+
+on:
+  push:
+    branches:
+      - "**"
+    tags:
+      - "*"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  # Linux amd64
+  build-linux-amd64:
+    name: Build on Ubuntu 22.04 amd64
+    runs-on: ubuntu-22.04
+    container:
+      image: crossdesk/ubuntu20.04:latest
+      options: --user root
+    steps:
+      - name: Extract version number
+        id: version
+        run: |
+          VERSION="${GITHUB_REF##*/}"
+          VERSION_NUM="${VERSION#v}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
+
+      - name: Set legal Debian version
+        shell: bash
+        id: set_deb_version
+        run: |
+          SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
+          if [[ ! "${VERSION_NUM}" =~ ^[0-9] ]]; then
+            LEGAL_VERSION="0.0.0-${VERSION_NUM}-${SHORT_SHA}"
+          else
+            LEGAL_VERSION="${VERSION_NUM}-${SHORT_SHA}"
+          fi
+          echo "LEGAL_VERSION=${LEGAL_VERSION}" >> $GITHUB_ENV
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Build CrossDesk
+        env:
+          CUDA_PATH: /usr/local/cuda
+          XMAKE_GLOBALDIR: /data
+        run: |
+          ls -la $XMAKE_GLOBALDIR
+          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --root -y
+          xmake b -vy --root crossdesk
+
+      - name: Decode and save certificate
+        shell: bash
+        run: |
+          mkdir -p certs
+          echo "${{ secrets.CROSSDESK_CERT_BASE64 }}" | base64 --decode > certs/crossdesk.cn_root.crt
+
+      - name: Package
+        run: |
+          chmod +x ./scripts/linux/pkg_amd64.sh
+          ./scripts/linux/pkg_amd64.sh ${LEGAL_VERSION}
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: crossdesk-linux-amd64-${{ env.LEGAL_VERSION }}
+          path: ${{ github.workspace }}/crossdesk-linux-amd64-${{ env.LEGAL_VERSION }}.deb
+
+  # Linux arm64
+  build-linux-arm64:
+    name: Build on Ubuntu 22.04 arm64
+    runs-on: ubuntu-22.04-arm
+    strategy:
+      matrix:
+        include:
+          - arch: arm64
+            image: crossdesk/ubuntu20.04-arm64v8:latest
+            package_script: ./scripts/linux/pkg_arm64.sh
+    container:
+      image: ${{ matrix.image }}
+      options: --user root
+    steps:
+      - name: Extract version number
+        id: version
+        run: |
+          VERSION="${GITHUB_REF##*/}"
+          VERSION_NUM="${VERSION#v}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
+
+      - name: Set legal Debian version
+        shell: bash
+        id: set_deb_version
+        run: |
+          SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
+          if [[ ! "${VERSION_NUM}" =~ ^[0-9] ]]; then
+            LEGAL_VERSION="0.0.0-${VERSION_NUM}-${SHORT_SHA}"
+          else
+            LEGAL_VERSION="${VERSION_NUM}-${SHORT_SHA}"
+          fi
+          echo "LEGAL_VERSION=${LEGAL_VERSION}" >> $GITHUB_ENV
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Build CrossDesk
+        env:
+          CUDA_PATH: /usr/local/cuda
+          XMAKE_GLOBALDIR: /data
+        run: |
+          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --root -y
+          xmake b -vy --root crossdesk
+
+      - name: Decode and save certificate
+        shell: bash
+        run: |
+          mkdir -p certs
+          echo "${{ secrets.CROSSDESK_CERT_BASE64 }}" | base64 --decode > certs/crossdesk.cn_root.crt
+
+      - name: Package
+        run: |
+          chmod +x ${{ matrix.package_script }}
+          ${{ matrix.package_script }} ${LEGAL_VERSION}
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: crossdesk-linux-${{ matrix.arch }}-${{ env.LEGAL_VERSION }}
+          path: ${{ github.workspace }}/crossdesk-linux-${{ matrix.arch }}-${{ env.LEGAL_VERSION }}.deb
+
+  # macOS
+  build-macos:
+    name: Build on macOS
+    runs-on: ${{ matrix.runner }}
+    strategy:
+      matrix:
+        include:
+          - arch: x64
+            runner: macos-13
+            cache-key: intel
+            out-dir: ./build/macosx/x86_64/release/crossdesk
+            package_script: ./scripts/macosx/pkg_x64.sh
+          - arch: arm64
+            runner: macos-14
+            cache-key: arm
+            out-dir: ./build/macosx/arm64/release/crossdesk
+            package_script: ./scripts/macosx/pkg_arm64.sh
+
+    steps:
+      - name: Extract version number
+        id: version
+        run: |
+          VERSION="${GITHUB_REF##*/}"
+          SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
+          VERSION_NUM="${VERSION#v}-${SHORT_SHA}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
+          echo "VERSION_NUM=${VERSION_NUM}"
+
+      - name: Cache xmake dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.xmake/packages
+          key: ${{ runner.os }}-xmake-deps-${{ matrix.cache-key }}-${{ hashFiles('**/xmake.lua') }}
+          restore-keys: |
+            ${{ runner.os }}-xmake-deps-${{ matrix.cache-key }}-
+
+      - name: Install xmake
+        run: brew install xmake
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Initialize submodules
+        run: git submodule update --init --recursive
+
+      - name: Build CrossDesk
+        run: |
+          xmake f --CROSSDESK_VERSION=${VERSION_NUM} -y
+          xmake b -vy crossdesk
+
+      - name: Decode and save certificate
+        shell: bash
+        run: |
+          mkdir -p certs
+          echo "${{ secrets.CROSSDESK_CERT_BASE64 }}" | base64 --decode > certs/crossdesk.cn_root.crt
+
+      - name: Package CrossDesk app
+        run: |
+          chmod +x ${{ matrix.package_script }}
+          ${{ matrix.package_script }} ${VERSION_NUM}
+
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: crossdesk-macos-${{ matrix.arch }}-${{ env.VERSION_NUM }}
+          path: crossdesk-macos-${{ matrix.arch }}-${{ env.VERSION_NUM }}.pkg
+
+      - name: Move files to release dir
+        run: |
+          mkdir -p release
+          cp crossdesk-macos-${{ matrix.arch }}-${{ env.VERSION_NUM }}.pkg release/
+
+  # Windows
+  build-windows-x64:
+    name: Build on Windows x64
+    runs-on: windows-2022
+    env:
+      XMAKE_GLOBALDIR: D:\xmake_global
+    steps:
+      - name: Extract version number
+        shell: pwsh
+        run: |
+          $ref = $env:GITHUB_REF
+          $version = $ref -replace '^refs/(tags|heads)/', ''
+          $version = $version -replace '^v', ''
+          $version = $version -replace '/', '-'
+          $SHORT_SHA = $env:GITHUB_SHA.Substring(0,7)
+          echo "VERSION_NUM=$version-$SHORT_SHA" >> $env:GITHUB_ENV
+
+      - name: Cache xmake dependencies
+        uses: actions/cache@v4
+        with:
+          path: D:\xmake_global\.xmake\packages
+          key: ${{ runner.os }}-xmake-deps-intel-${{ hashFiles('**/xmake.lua') }}
+          restore-keys: |
+            ${{ runner.os }}-xmake-deps-intel-
+
+      - name: Install xmake
+        run: |
+          Invoke-Expression (Invoke-Webrequest 'https://raw.githubusercontent.com/tboox/xmake/master/scripts/get.ps1' -UseBasicParsing).Content
+          echo "C:\Users\runneradmin\xmake" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          xmake create cuda
+          Set-Location cuda
+          xmake g --theme=plain
+          $cudaPath = ""
+          $packagesPath = "D:\xmake_global\.xmake\packages"
+
+          if (Test-Path $packagesPath) {
+              Write-Host "Packages directory exists: $packagesPath"
+              try {
+                  $info = xmake require --info "cuda 12.6.3" 2>$null
+                  if ($null -ne $info -and $info -ne "") {
+                      $cudaPath = (($info | Select-String installdir).ToString() -replace '.*installdir:\s*','').Trim()
+                  }
+              } catch {}
+          } else {
+              Write-Host "Packages directory not found: $packagesPath"
+              Write-Host "Installing CUDA package..."
+              xmake require -vy "cuda 12.6.3"
+              $info = xmake require --info "cuda 12.6.3"
+              $cudaPath = (($info | Select-String installdir).ToString() -replace '.*installdir:\s*','').Trim()
+          }
+
+          echo "CUDA_PATH=$cudaPath" >> $env:GITHUB_ENV
+          Write-Host "Resolved CUDA_PATH = $cudaPath"
+          Pop-Location
+
+      - name: Download INetC plugin
+        shell: powershell
+        run: |
+          $url = "https://github.com/DigitalMediaServer/NSIS-INetC-plugin/releases/download/v1.0.5.7/InetC.zip"
+          $out = "$env:RUNNER_TEMP\InetC.zip"
+          Invoke-WebRequest -Uri $url -OutFile $out
+          Expand-Archive $out -DestinationPath "$env:RUNNER_TEMP\InetC" -Force
+
+          $source = "$env:RUNNER_TEMP\InetC\x86-unicode\INetC.dll"
+          $target = "C:\Program Files (x86)\NSIS\Plugins\x86-unicode\INetC.dll"
+
+          Write-Host "Copying $source to $target"
+          Copy-Item $source $target -Force
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Initialize submodules
+        run: git submodule update --init --recursive
+
+      - name: Copy nsProcess plugin to NSIS folder
+        run: |
+          $nsisPluginDir = "C:\Program Files (x86)\NSIS\Plugins\x86-unicode"
+          copy "${{ github.workspace }}\scripts\windows\nsProcess.dll" $nsisPluginDir
+
+      - name: Build CrossDesk
+        run: |
+          xmake f --CROSSDESK_VERSION=${{ env.VERSION_NUM }} -y
+          xmake b -vy crossdesk
+ 
+      - name: Decode and save certificate
+        shell: powershell
+        run: |
+          New-Item -ItemType Directory -Force -Path certs
+          [System.IO.File]::WriteAllBytes('certs\crossdesk.cn_root.crt', [Convert]::FromBase64String('${{ secrets.CROSSDESK_CERT_BASE64 }}'))
+
+      - name: Package
+        shell: pwsh
+        run: |
+          cd "${{ github.workspace }}\scripts\windows"
+          makensis /DVERSION=$env:VERSION_NUM nsis_script.nsi
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: crossdesk-win-x64-${{ env.VERSION_NUM }}
+          path: ${{ github.workspace }}/scripts/windows/crossdesk-win-x64-${{ env.VERSION_NUM }}.exe
+
+  release:
+    name: Publish Release
+    if: startsWith(github.ref, 'refs/tags/v')
+    needs:
+      [build-linux-amd64, build-linux-arm64, build-macos, build-windows-x64]
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Download all artifacts
+        uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+
+      - name: Extract version number
+        id: version
+        run: |
+          VERSION="${GITHUB_REF##*/}"
+          SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
+          VERSION_NUM="${VERSION#v}-${SHORT_SHA}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_OUTPUT
+
+      - name: Rename artifacts
+        run: |
+          mkdir -p release
+          cp artifacts/crossdesk-macos-x64-${{ steps.version.outputs.VERSION_NUM }}/* release/crossdesk-macos-x64-${{ steps.version.outputs.VERSION_NUM }}.pkg
+          cp artifacts/crossdesk-macos-arm64-${{ steps.version.outputs.VERSION_NUM }}/* release/crossdesk-macos-arm64-${{ steps.version.outputs.VERSION_NUM }}.pkg
+          cp artifacts/crossdesk-linux-amd64-${{ steps.version.outputs.VERSION_NUM }}/* release/crossdesk-linux-amd64-${{ steps.version.outputs.VERSION_NUM }}.deb
+          cp artifacts/crossdesk-linux-arm64-${{ steps.version.outputs.VERSION_NUM }}/* release/crossdesk-linux-arm64-${{ steps.version.outputs.VERSION_NUM }}.deb
+          cp artifacts/crossdesk-win-x64-${{ steps.version.outputs.VERSION_NUM }}/* release/crossdesk-win-x64-${{ steps.version.outputs.VERSION_NUM }}.exe
+
+      - name: List release files
+        run: ls -lh release/
+
+      - name: Upload to Versioned GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: v${{ steps.version.outputs.VERSION_NUM }}
+          name: Release v${{ steps.version.outputs.VERSION_NUM }}
+          draft: false
+          prerelease: false
+          files: release/*
+          generate_release_notes: false
+          body: |
+            Binary release only. Source code is not included.
+
+      - name: Create or update 'latest' tag
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git tag -f latest
+          git push origin latest --force
+
+      - name: Upload to GitHub Release (latest)
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: latest
+          name: Latest Release
+          draft: false
+          prerelease: false
+          files: release/*
+          generate_release_notes: false
+
+      - name: Upload artifacts to server
+        uses: burnett01/rsync-deployments@5.2
+        with:
+          switches: -avzr --progress --delete
+          path: release/*
+          remote_path: /var/www/html/downloads/
+          remote_host: ${{ secrets.SERVER_HOST }}
+          remote_user: ${{ secrets.SERVER_USER }}
+          remote_key: ${{ secrets.SERVER_KEY }}

.github/workflows/close-issue.yml

@@ -0,0 +1,80 @@
+name: Close Inactive Issues
+
+on:
+  schedule:
+    # run every day at midnight
+    - cron: "0 0 * * *"
+
+permissions:
+  issues: write
+  pull-requests: write
+  contents: read
+
+jobs:
+  close_inactive_issues:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check inactive issues and close them
+        uses: actions/github-script@v6
+        with:
+          script: |
+            const { data: issues } = await github.rest.issues.listForRepo({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              state: 'open',
+              per_page: 100,
+            });
+
+            const now = new Date().getTime();
+            const inactivePeriod = 7 * 24 * 60 * 60 * 1000; // 7 days
+
+            for (const issue of issues) {
+              // skip pull requests (they are also returned by listForRepo)
+              if (issue.pull_request) continue;
+
+              // skip labeled issues
+              if (issue.labels.length > 0) {
+                console.log(`Skipping issue #${issue.number} (Has labels).`);
+                continue;
+              }
+
+              // fetch comments for this issue
+              const { data: comments } = await github.rest.issues.listComments({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: issue.number,
+                per_page: 100,
+              });
+
+              // determine the "last activity" time
+              let lastActivityTime;
+              if (comments.length > 0) {
+                const lastComment = comments[comments.length - 1];
+                lastActivityTime = new Date(lastComment.updated_at).getTime();
+              } else {
+                lastActivityTime = new Date(issue.created_at).getTime();
+              }
+
+              // check inactivity
+              if (now - lastActivityTime > inactivePeriod) {
+                console.log(`Closing inactive issue: #${issue.number} (No recent replies for 7 days)`);
+
+                await github.rest.issues.createComment({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue.number,
+                  body: "This issue has been automatically closed due to inactivity for 7 days."
+                });
+
+                await github.rest.issues.update({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  issue_number: issue.number,
+                  state: 'closed',
+                });
+              } else {
+                console.log(`Skipping issue #${issue.number} (Active within 7 days).`);
+              }
+            }
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/update-pages.yml

@@ -0,0 +1,51 @@
+name: Update GitHub Pages Downloads
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  update-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout CrossDesk repo
+        uses: actions/checkout@v4
+
+      - name: Set version number
+        id: version
+        run: |
+          SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
+          VERSION_NUM="${GITHUB_REF##*/}"
+          VERSION_NUM="${VERSION_NUM#v}-${SHORT_SHA}"
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
+          echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_OUTPUT
+
+      - name: Checkout Pages repo
+        uses: actions/checkout@v4
+        with:
+          repository: kunkundi/kunkundi.github.io
+          token: ${{ secrets.GH_PAGES_PAT }}
+          path: pages
+
+      - name: Update download links
+        run: |
+          cd pages
+          echo "Updating download links to ${VERSION_NUM}"
+          sed -E -i "s/crossdesk-win-x64-[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9._-]+)?\.exe/crossdesk-win-x64-${VERSION_NUM}.exe/g" index.html
+          sed -E -i "s/crossdesk-macos-x64-[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9._-]+)?\.pkg/crossdesk-macos-x64-${VERSION_NUM}.pkg/g" index.html
+          sed -E -i "s/crossdesk-macos-arm64-[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9._-]+)?\.pkg/crossdesk-macos-arm64-${VERSION_NUM}.pkg/g" index.html
+          sed -E -i "s/crossdesk-linux-amd64-[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9._-]+)?\.deb/crossdesk-linux-amd64-${VERSION_NUM}.deb/g" index.html
+          sed -E -i "s/crossdesk-linux-arm64-[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9._-]+)?\.deb/crossdesk-linux-arm64-${VERSION_NUM}.deb/g" index.html
+          git diff index.html || true
+
+      - name: Commit & Push changes
+        run: |
+          cd pages
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add index.html
+          git commit -m "Update download links to v${VERSION_NUM}" || echo "No changes to commit"
+          git push origin main
+        env:
+          VERSION_NUM: ${{ env.VERSION_NUM }}

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "thirdparty/projectx"]
+[submodule "submodules/minirtc"]
-	path = thirdparty/projectx
+	path = submodules/minirtc
-	url = git@github.com:dijunkun/projectx.git
+	url = https://github.com/kunkundi/minirtc.git

LICENSE

@@ -0,0 +1,165 @@
+                   GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+
+  This version of the GNU Lesser General Public License incorporates
+the terms and conditions of version 3 of the GNU General Public
+License, supplemented by the additional permissions listed below.
+
+  0. Additional Definitions.
+
+  As used herein, "this License" refers to version 3 of the GNU Lesser
+General Public License, and the "GNU GPL" refers to version 3 of the GNU
+General Public License.
+
+  "The Library" refers to a covered work governed by this License,
+other than an Application or a Combined Work as defined below.
+
+  An "Application" is any work that makes use of an interface provided
+by the Library, but which is not otherwise based on the Library.
+Defining a subclass of a class defined by the Library is deemed a mode
+of using an interface provided by the Library.
+
+  A "Combined Work" is a work produced by combining or linking an
+Application with the Library.  The particular version of the Library
+with which the Combined Work was made is also called the "Linked
+Version".
+
+  The "Minimal Corresponding Source" for a Combined Work means the
+Corresponding Source for the Combined Work, excluding any source code
+for portions of the Combined Work that, considered in isolation, are
+based on the Application, and not on the Linked Version.
+
+  The "Corresponding Application Code" for a Combined Work means the
+object code and/or source code for the Application, including any data
+and utility programs needed for reproducing the Combined Work from the
+Application, but excluding the System Libraries of the Combined Work.
+
+  1. Exception to Section 3 of the GNU GPL.
+
+  You may convey a covered work under sections 3 and 4 of this License
+without being bound by section 3 of the GNU GPL.
+
+  2. Conveying Modified Versions.
+
+  If you modify a copy of the Library, and, in your modifications, a
+facility refers to a function or data to be supplied by an Application
+that uses the facility (other than as an argument passed when the
+facility is invoked), then you may convey a copy of the modified
+version:
+
+   a) under this License, provided that you make a good faith effort to
+   ensure that, in the event an Application does not supply the
+   function or data, the facility still operates, and performs
+   whatever part of its purpose remains meaningful, or
+
+   b) under the GNU GPL, with none of the additional permissions of
+   this License applicable to that copy.
+
+  3. Object Code Incorporating Material from Library Header Files.
+
+  The object code form of an Application may incorporate material from
+a header file that is part of the Library.  You may convey such object
+code under terms of your choice, provided that, if the incorporated
+material is not limited to numerical parameters, data structure
+layouts and accessors, or small macros, inline functions and templates
+(ten or fewer lines in length), you do both of the following:
+
+   a) Give prominent notice with each copy of the object code that the
+   Library is used in it and that the Library and its use are
+   covered by this License.
+
+   b) Accompany the object code with a copy of the GNU GPL and this license
+   document.
+
+  4. Combined Works.
+
+  You may convey a Combined Work under terms of your choice that,
+taken together, effectively do not restrict modification of the
+portions of the Library contained in the Combined Work and reverse
+engineering for debugging such modifications, if you also do each of
+the following:
+
+   a) Give prominent notice with each copy of the Combined Work that
+   the Library is used in it and that the Library and its use are
+   covered by this License.
+
+   b) Accompany the Combined Work with a copy of the GNU GPL and this license
+   document.
+
+   c) For a Combined Work that displays copyright notices during
+   execution, include the copyright notice for the Library among
+   these notices, as well as a reference directing the user to the
+   copies of the GNU GPL and this license document.
+
+   d) Do one of the following:
+
+       0) Convey the Minimal Corresponding Source under the terms of this
+       License, and the Corresponding Application Code in a form
+       suitable for, and under terms that permit, the user to
+       recombine or relink the Application with a modified version of
+       the Linked Version to produce a modified Combined Work, in the
+       manner specified by section 6 of the GNU GPL for conveying
+       Corresponding Source.
+
+       1) Use a suitable shared library mechanism for linking with the
+       Library.  A suitable mechanism is one that (a) uses at run time
+       a copy of the Library already present on the user's computer
+       system, and (b) will operate properly with a modified version
+       of the Library that is interface-compatible with the Linked
+       Version.
+
+   e) Provide Installation Information, but only if you would otherwise
+   be required to provide such information under section 6 of the
+   GNU GPL, and only to the extent that such information is
+   necessary to install and execute a modified version of the
+   Combined Work produced by recombining or relinking the
+   Application with a modified version of the Linked Version. (If
+   you use option 4d0, the Installation Information must accompany
+   the Minimal Corresponding Source and Corresponding Application
+   Code. If you use option 4d1, you must provide the Installation
+   Information in the manner specified by section 6 of the GNU GPL
+   for conveying Corresponding Source.)
+
+  5. Combined Libraries.
+
+  You may place library facilities that are a work based on the
+Library side by side in a single library together with other library
+facilities that are not Applications and are not covered by this
+License, and convey such a combined library under terms of your
+choice, if you do both of the following:
+
+   a) Accompany the combined library with a copy of the same work based
+   on the Library, uncombined with any other library facilities,
+   conveyed under the terms of this License.
+
+   b) Give prominent notice with the combined library that part of it
+   is a work based on the Library, and explaining where to find the
+   accompanying uncombined form of the same work.
+
+  6. Revised Versions of the GNU Lesser General Public License.
+
+  The Free Software Foundation may publish revised and/or new versions
+of the GNU Lesser General Public License from time to time. Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.
+
+  Each version is given a distinguishing version number. If the
+Library as you received it specifies that a certain numbered version
+of the GNU Lesser General Public License "or any later version"
+applies to it, you have the option of following the terms and
+conditions either of that published version or of any later version
+published by the Free Software Foundation. If the Library as you
+received it does not specify a version number of the GNU Lesser
+General Public License, you may choose any version of the GNU Lesser
+General Public License ever published by the Free Software Foundation.
+
+  If the Library as you received it specifies that a proxy can decide
+whether future versions of the GNU Lesser General Public License shall
+apply, that proxy's public statement of acceptance of any version is
+permanent authorization for you to choose that version for the
+Library.

README.md

@@ -0,0 +1,307 @@
+# CrossDesk
+
+[![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-brightgreen.svg)]()
+[![License: LGPL v3](https://img.shields.io/badge/License-LGPL%20v3-blue.svg)](https://www.gnu.org/licenses/lgpl-3.0)
+[![GitHub last commit](https://img.shields.io/github/last-commit/kunkundi/crossdesk)](https://github.com/kunkundi/crossdesk/commits/self-hosted-server)
+[![Build Status](https://github.com/kunkundi/crossdesk/actions/workflows/build.yml/badge.svg)](https://github.com/kunkundi/crossdesk/actions)  
+[![Docker Pulls](https://img.shields.io/docker/pulls/crossdesk/crossdesk-server)](https://hub.docker.com/r/crossdesk/crossdesk-server/tags)
+[![GitHub issues](https://img.shields.io/github/issues/kunkundi/crossdesk.svg)]()
+[![GitHub stars](https://img.shields.io/github/stars/kunkundi/crossdesk.svg?style=social)]()
+[![GitHub forks](https://img.shields.io/github/forks/kunkundi/crossdesk.svg?style=social)]()
+
+[ [English](README_EN.md) / 中文 ]
+
+![sup_example](https://github.com/user-attachments/assets/eeb64fbe-1f07-4626-be1c-b77396beb905)
+
+## 简介
+
+CrossDesk 是一个轻量级的跨平台远程桌面软件。
+
+CrossDesk 是 [MiniRTC](https://github.com/kunkundi/minirtc.git) 实时音视频传输库的实验性应用。MiniRTC 是一个轻量级的跨平台实时音视频传输库。它具有网络透传（[RFC5245](https://datatracker.ietf.org/doc/html/rfc5245)），视频软硬编解码（H264/AV1），音频编解码（[Opus](https://github.com/xiph/opus)），信令交互，网络拥塞控制，传输加密（[SRTP](https://tools.ietf.org/html/rfc3711)）等基础能力。
+
+
+## 使用
+
+在菜单栏“对端ID”处输入远端桌面的ID，点击“→”即可发起远程连接。
+
+![usage1](https://github.com/user-attachments/assets/3a4bb59f-c84c-44d2-9a20-11790aac510e)
+
+如果远端桌面设置了连接密码，则本端需填写正确的连接密码才能成功发起远程连接。
+
+![password](https://github.com/user-attachments/assets/1beadcce-640d-4f5c-8e77-51917b5294d5)
+
+发起连接前，可在设置中自定义配置项，如语言、视频编码格式等。
+![settings](https://github.com/user-attachments/assets/8bc5468d-7bbb-4e30-95bd-da1f352ac08c)
+
+## 如何编译
+
+依赖：
+- [xmake](https://xmake.io/#/guide/installation)
+- [cmake](https://cmake.org/download/)
+
+Linux环境下需安装以下包：
+
+```
+sudo apt-get install -y software-properties-common git curl unzip build-essential libx11-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxcb-randr0-dev libxcb-xtest0-dev libxcb-xinerama0-dev libxcb-shape0-dev libxcb-xkb-dev libxcb-xfixes0-dev libxv-dev libxtst-dev libasound2-dev libsndio-dev libxcb-shm0-dev libasound2-dev libpulse-dev
+```
+
+编译
+```
+git clone https://github.com/kunkundi/crossdesk.git
+
+cd crossdesk
+
+git submodule init 
+
+git submodule update
+
+xmake b -vy crossdesk
+```
+
+运行
+```
+xmake r crossdesk
+```
+
+### 无 CUDA 环境下的开发支持
+
+对于**未安装 CUDA 环境的 Linux 开发者**，这里提供了预配置的 [Ubuntu 22.04 Docker 镜像](https://hub.docker.com/r/crossdesk/ubuntu22.04)。该镜像内置必要的构建依赖，可在容器中开箱即用，无需额外配置即可直接编译项目。
+
+进入容器，下载工程后执行：
+```
+export CUDA_PATH=/usr/local/cuda
+export XMAKE_GLOBALDIR=/data
+
+xmake b --root -vy crossdesk
+```
+
+对于**未安装 CUDA 环境的 Windows 开发者**，执行下面的命令安装 CUDA 编译环境：
+```
+xmake require -vy "cuda 12.6.3"
+```
+安装完成后执行:
+```
+xmake require --info "cuda 12.6.3"
+```
+输出如下:
+
+<img width="860" height="226" alt="Image" src="https://github.com/user-attachments/assets/999ac365-581a-4b9a-806e-05eb3e4cf44d" />
+
+根据上述输出获取到 CUDA 的安装目录，即 installdir 指向的位置。将 CUDA_PATH 加入系统环境变量，或在终端中输入：
+```
+set CUDA_PATH=path_to_cuda_installdir
+```
+重新执行：
+```
+xmake b -vy crossdesk
+```
+
+#### 注意
+运行时如果客户端状态栏显示 **未连接服务器**，请先在 [CrossDesk 官方网站](https://www.crossdesk.cn/) 安装客户端，以便在环境中安装所需的证书文件。
+
+<img width="256" height="120" alt="image" src="https://github.com/user-attachments/assets/1812f7d6-516b-4b4f-8a3d-98bee505cc5a" />
+
+## 关于 Xmake
+
+#### 安装 Xmake
+使用 curl：
+```
+curl -fsSL https://xmake.io/shget.text | bash
+```
+使用 wget：
+```
+wget https://xmake.io/shget.text -O - | bash
+```
+使用 powershell：
+```
+irm https://xmake.io/psget.text | iex
+```
+
+#### 编译选项
+```
+# 切换编译模式
+xmake f -m debug/release
+
+# 可选编译参数
+-r ：重新构建目标
+-v ：显示详细的构建日志
+-y ：自动确认提示
+
+# 示例
+xmake b -vy crossdesk
+```
+
+#### 运行选项
+```
+# 使用调试模式运行
+xmake r -d crossdesk
+```
+更多使用方法可参考 [Xmake官方文档](https://xmake.io/guide/quick-start.html) 。
+
+## 自托管服务器
+推荐使用Docker部署CrossDesk Server。
+```
+sudo docker run -d \
+  --name crossdesk_server \
+  --network host \
+  -e EXTERNAL_IP=xxx.xxx.xxx.xxx \
+  -e INTERNAL_IP=xxx.xxx.xxx.xxx \
+  -e CROSSDESK_SERVER_PORT=xxxx \
+  -e COTURN_PORT=xxxx \
+  -e MIN_PORT=xxxxx \
+  -e MAX_PORT=xxxxx \
+  -v /path/to/your/certs:/crossdesk-server/certs \
+  -v /path/to/your/db:/crossdesk-server/db \
+  -v /path/to/your/logs:/crossdesk-server/logs \
+  crossdesk/crossdesk-server:v1.0.0
+```
+
+上述命令中，用户需注意的参数如下：
+
+- EXTERNAL_IP：服务器公网 IP , 对应 CrossDesk 客户端**自托管服务器配置**中填写的**服务器地址**
+
+- INTERNAL_IP：服务器内网 IP
+
+- CROSSDESK_SERVER_PORT：自托管服务使用的端口，对应 CrossDesk 客户端**自托管服务器配置**中填写的**服务器端口**
+
+- COTURN_PORT: COTURN 服务使用的端口, 对应 CrossDesk 客户端**自托管服务器配置**中填写的**中继服务端口**
+
+- MIN_PORT/MAX_PORT：COTURN 服务使用的端口范围，例如：MIN_PORT=50000, MAX_PORT=60000，范围可根据客户端数量调整。
+
+- /path/to/your/certs：证书文件目录
+
+- /path/to/your/db：CrossDesk Server 设备管理数据库
+
+- /path/to/your/logs：日志目录
+
+**注意**：
+- **/path/to/your/ 是示例路径，请替换为你自己的实际路径。挂载的目录必须事先创建好，否则容器会报错。**
+- **服务器需开放端口：3478/udp，3478/tcp，MIN_PORT-MAX_PORT/udp，CROSSDESK_SERVER_PORT/tcp。**
+
+## 证书文件
+客户端需加载根证书文件，服务端需加载服务器私钥和服务器证书文件。
+
+如果已有SSL证书的用户，可以忽略下面的证书生成步骤。
+
+对于无证书的用户，可使用下面的脚本自行生成证书文件：
+```
+# 创建证书生成脚本
+vim generate_certs.sh
+```
+拷贝到脚本中
+```
+#!/bin/bash
+set -e
+
+# 检查参数
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <SERVER_IP>"
+    exit 1
+fi
+
+SERVER_IP="$1"
+
+# 文件名
+ROOT_KEY="crossdesk.cn_root.key"
+ROOT_CERT="crossdesk.cn_root.crt"
+SERVER_KEY="crossdesk.cn.key"
+SERVER_CSR="crossdesk.cn.csr"
+SERVER_CERT="crossdesk.cn_bundle.crt"
+FULLCHAIN_CERT="crossdesk.cn_fullchain.crt"
+
+# 证书主题
+SUBJ="/C=CN/ST=Zhejiang/L=Hangzhou/O=CrossDesk/OU=CrossDesk/CN=$SERVER_IP"
+
+# 1. 生成根证书
+echo "Generating root private key..."
+openssl genrsa -out "$ROOT_KEY" 4096
+
+echo "Generating self-signed root certificate..."
+openssl req -x509 -new -nodes -key "$ROOT_KEY" -sha256 -days 3650 -out "$ROOT_CERT" -subj "$SUBJ"
+
+# 2. 生成服务器私钥
+echo "Generating server private key..."
+openssl genrsa -out "$SERVER_KEY" 2048
+
+# 3. 生成服务器 CSR
+echo "Generating server CSR..."
+openssl req -new -key "$SERVER_KEY" -out "$SERVER_CSR" -subj "$SUBJ"
+
+# 4. 生成临时 OpenSSL 配置文件，加入 SAN
+SAN_CONF="san.cnf"
+cat > $SAN_CONF <<EOL
+[ req ]
+default_bits = 2048
+distinguished_name = req_distinguished_name
+req_extensions = req_ext
+prompt = no
+
+[ req_distinguished_name ]
+C = CN
+ST = Zhejiang
+L = Hangzhou
+O = CrossDesk
+OU = CrossDesk
+CN = $SERVER_IP
+
+[ req_ext ]
+subjectAltName = IP:$SERVER_IP
+EOL
+
+# 5. 用根证书签发服务器证书（包含 SAN）
+echo "Signing server certificate with root certificate..."
+openssl x509 -req -in "$SERVER_CSR" -CA "$ROOT_CERT" -CAkey "$ROOT_KEY" -CAcreateserial \
+  -out "$SERVER_CERT" -days 3650 -sha256 -extfile "$SAN_CONF" -extensions req_ext
+
+# 6. 生成完整链证书
+cat "$SERVER_CERT" "$ROOT_CERT" > "$FULLCHAIN_CERT"
+
+# 7. 清理中间文件
+rm -f "$ROOT_CERT.srl" "$SAN_CONF" "$ROOT_KEY" "$SERVER_CSR" "FULLCHAIN_CERT"
+
+echo "Generation complete. Deployment files:"
+echo "  Client root certificate: $ROOT_CERT"
+echo "  Server private key: $SERVER_KEY"
+echo "  Server certificate: $SERVER_CERT"
+```
+执行
+```
+chmod +x generate_certs.sh
+./generate_certs.sh 服务器公网IP
+
+# 例如 ./generate_certs.sh 111.111.111.111
+```
+输出如下：
+```
+Generating root private key...
+Generating self-signed root certificate...
+Generating server private key...
+Generating server CSR...
+Signing server certificate with root certificate...
+Certificate request self-signature ok
+subject=C = CN, ST = Zhejiang, L = Hangzhou, O = CrossDesk, OU = CrossDesk, CN = xxx.xxx.xxx.xxx
+cleaning up intermediate files...
+Generation complete. Deployment files::
+  Client root certificate:: crossdesk.cn_root.crt
+  Server private key: crossdesk.cn.key
+  Server certificate: crossdesk.cn_bundle.crt
+```
+
+#### 服务端
+将 **crossdesk.cn.key** 和 **crossdesk.cn_bundle.crt** 放置到 **/path/to/your/certs** 目录下。
+
+#### 客户端
+1. 点击右上角设置进入设置页面。<br>
+<img width="600" height="210" alt="image" src="https://github.com/user-attachments/assets/6431131d-b32a-4726-8783-6788f47baa3b" /><br><br>
+
+3. 点击点击**自托管服务器配置**。<br><br>
+<img width="600" height="160" alt="image" src="https://github.com/user-attachments/assets/24c761a3-1985-4d7e-84be-787383c2afb8" /><br><br>
+
+5. 在**证书文件路径**选择框中找到 **crossdesk.cn_root.crt** 的存放路径，选中 **crossdesk.cn_root.crt**，点击确认。<br><br>
+<img width="600" height="220" alt="image" src="https://github.com/user-attachments/assets/4af7cd3a-c72e-44fb-b032-30e050019c2a" /><br><br>
+
+7. 勾选使用**自托管服务器配置**，点击确认配置生效。<br><br>
+<img width="600" height="160" alt="image" src="https://github.com/user-attachments/assets/1e455dc3-4087-4f37-a544-1ff9f8789383" /><br><br>
+
+# 常见问题
+见 [常见问题](https://github.com/kunkundi/crossdesk/blob/self-hosted-server/docs/FAQ.md) 。

README_EN.md

@@ -0,0 +1,312 @@
+# CrossDesk
+
+[![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-brightgreen.svg)]()
+[![License: LGPL v3](https://img.shields.io/badge/License-LGPL%20v3-blue.svg)](https://www.gnu.org/licenses/lgpl-3.0)
+[![GitHub last commit](https://img.shields.io/github/last-commit/kunkundi/crossdesk)](https://github.com/kunkundi/crossdesk/commits/self-hosted-server)
+[![Build Status](https://github.com/kunkundi/crossdesk/actions/workflows/build.yml/badge.svg)](https://github.com/kunkundi/crossdesk/actions)  
+[![Docker Pulls](https://img.shields.io/docker/pulls/crossdesk/crossdesk-server)](https://hub.docker.com/r/crossdesk/crossdesk-server/tags)
+[![GitHub issues](https://img.shields.io/github/issues/kunkundi/crossdesk.svg)]()
+[![GitHub stars](https://img.shields.io/github/stars/kunkundi/crossdesk.svg?style=social)]()
+[![GitHub forks](https://img.shields.io/github/forks/kunkundi/crossdesk.svg?style=social)]()
+
+[ [中文](README.md) / English ]
+
+![sup_example](https://github.com/user-attachments/assets/3f17d8f3-7c4a-4b63-bae4-903363628687)
+
+# Intro
+
+CrossDesk is a lightweight cross-platform remote desktop software.
+
+CrossDesk is an experimental application of [MiniRTC](https://github.com/kunkundi/minirtc.git), a lightweight cross-platform real-time audio and video transmission library. MiniRTC provides fundamental capabilities including network traversal ([RFC5245](https://datatracker.ietf.org/doc/html/rfc5245)), video software/hardware encoding and decoding (H264/AV1), audio encoding/decoding ([Opus](https://github.com/xiph/opus)), signaling interaction, network congestion control, and transmission encryption ([SRTP](https://tools.ietf.org/html/rfc3711)).
+
+## Usage
+
+Enter the remote desktop ID in the menu bar’s “Remote ID” field and click “→” to initiate a remote connection.
+
+![usage1](https://github.com/user-attachments/assets/3a4bb59f-c84c-44d2-9a20-11790aac510e)
+
+If the remote desktop requires a connection password, you must enter the correct password on your side to successfully establish the connection.
+
+![password](https://github.com/user-attachments/assets/1beadcce-640d-4f5c-8e77-51917b5294d5)
+
+Before connecting, you can customize configuration options in the settings, such as language and video encoding format.
+
+![settings](https://github.com/user-attachments/assets/8bc5468d-7bbb-4e30-95bd-da1f352ac08c)
+
+## How to build
+
+Requirements:
+- [xmake](https://xmake.io/#/guide/installation)
+- [cmake](https://cmake.org/download/)
+
+Following packages need to be installed on Linux:
+
+```
+sudo apt-get install -y software-properties-common git curl unzip build-essential libx11-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxcb-randr0-dev libxcb-xtest0-dev libxcb-xinerama0-dev libxcb-shape0-dev libxcb-xkb-dev libxcb-xfixes0-dev libxv-dev libxtst-dev libasound2-dev libsndio-dev libxcb-shm0-dev libasound2-dev libpulse-dev
+```
+
+Build:
+```
+git clone https://github.com/kunkundi/crossdesk.git
+
+cd crossdesk
+
+git submodule init 
+
+git submodule update
+
+xmake b -vy crossdesk
+```
+
+Run:
+```
+xmake r crossdesk
+```
+
+#### Development Without CUDA Environment
+
+For **Linux developers who do not have a CUDA environment** installed, a preconfigured [Ubuntu 22.04 Docker image](https://hub.docker.com/r/crossdesk/ubuntu22.04) is provided.  
+This image comes with all required build dependencies and allows you to build the project directly inside the container without any additional setup.
+
+After entering the container, download the project and run:
+```
+export CUDA_PATH=/usr/local/cuda
+export XMAKE_GLOBALDIR=/data
+
+xmake b --root -vy crossdesk
+```
+
+For **Windows developers without a CUDA environment** installed, run the following command to install the CUDA build environment:
+```
+xmake require -vy "cuda 12.6.3"
+```
+After the installation is complete, execute:
+```
+xmake require --info "cuda 12.6.3"
+```
+The output will look like this:
+
+<img width="860" height="226" alt="Image" src="https://github.com/user-attachments/assets/999ac365-581a-4b9a-806e-05eb3e4cf44d" />
+
+From the output above, locate the CUDA installation directory — this is the path pointed to by installdir.
+Add this path to your system environment variable CUDA_PATH, or set it in the terminal using:
+```
+set CUDA_PATH=path_to_cuda_installdir:
+```
+Then re-run:
+```
+xmake b -vy crossdesk
+```
+
+#### Notice
+If the client status bar shows **Disconnected** during runtime, please first install the client from the [CrossDesk official website](https://www.crossdesk.cn/) to ensure the required certificate files are available in the environment.
+
+<img width="256" height="120" alt="image" src="https://github.com/user-attachments/assets/1812f7d6-516b-4b4f-8a3d-98bee505cc5a" />
+
+## About Xmake
+#### Installing Xmake
+
+You can install Xmake using one of the following methods:
+
+Using curl:
+```
+curl -fsSL https://xmake.io/shget.text | bash
+```
+Using wget:
+```
+wget https://xmake.io/shget.text -O - | bash
+```
+Using powershell:
+```
+irm https://xmake.io/psget.text | iex
+```
+
+#### Build Options
+```
+# Switch build mode
+xmake f -m debug/release
+
+# Optional build parameters
+-r : Rebuild the target
+-v : Show detailed build logs
+-y : Automatically confirm prompts
+
+# Example
+xmake b -vy crossdesk
+```
+
+#### Run Options
+```
+# Run in debug mode
+xmake r -d crossdesk
+```
+
+For more information, please refer to the [official Xmake documentation](https://xmake.io/guide/quick-start.html) .
+
+## Self-Hosted Server
+It is recommended to deploy CrossDesk Server using Docker.
+```
+sudo docker run -d \
+  --name crossdesk_server \
+  --network host \
+  -e EXTERNAL_IP=xxx.xxx.xxx.xxx \
+  -e INTERNAL_IP=xxx.xxx.xxx.xxx \
+  -e CROSSDESK_SERVER_PORT=xxxx \
+  -e COTURN_PORT=xxxx \
+  -e MIN_PORT=xxxxx \
+  -e MAX_PORT=xxxxx \
+  -v /path/to/your/certs:/crossdesk-server/certs \
+  -v /path/to/your/db:/crossdesk-server/db \
+  -v /path/to/your/logs:/crossdesk-server/logs \
+  crossdesk/crossdesk-server:v1.0.0
+```
+
+The parameters you need to pay attention to are as follows:
+
+- **EXTERNAL_IP**: The server's public IP, corresponding to the **Server Address** in the CrossDesk client **Self-Hosted Server Configuration**.
+
+- **INTERNAL_IP**: The server's internal IP.
+
+- **CROSSDESK_SERVER_PORT**: The port used by the self-hosted server, corresponding to the **Server Port** in the CrossDesk client **Self-Hosted Server Configuration**.
+
+- **COTURN_PORT**: The port used by Coturn, corresponding to the **Relay Server Port** in the CrossDesk client **Self-Hosted Server Configuration**.
+
+- **MIN_PORT** and **MAX_PORT**: The range of ports used by the self-hosted server, corresponding to the **Minimum Port** and **Maximum Port** in the CrossDesk client **Self-Hosted Server Configuration**. Example: 50000-60000. It depends on the number of devices connected to the server.
+
+- **/path/to/your/certs**: Directory for certificate files.
+
+- **/path/to/your/db**: CrossDesk Server device management database.
+
+- **/path/to/your/logs**: Log directory.
+
+**Note**:  
+- **/path/to/your/ is an example path; please replace it with your actual path. The mounted directories must be created in advance, otherwise the container will fail.**
+- **The server must open the following ports: 3478/udp, 3478/tcp, 30000-60000/udp, CROSSDESK_SERVER_PORT/tcp.**
+
+## Certificate Files
+The client needs to load the root certificate, and the server needs to load the server private key and server certificate.
+
+If you already have an SSL certificate, you can skip the following certificate generation steps.
+
+For users without a certificate, you can use the script below to generate the certificate files:
+```
+# Create certificate generation script
+vim generate_certs.sh
+```
+Copy the following into the script:
+```
+#!/bin/bash
+set -e
+
+# Check arguments
+if [ "$#" -ne 1 ]; then
+    echo "Usage: $0 <SERVER_IP>"
+    exit 1
+fi
+
+SERVER_IP="$1"
+
+# Filenames
+ROOT_KEY="crossdesk.cn_root.key"
+ROOT_CERT="crossdesk.cn_root.crt"
+SERVER_KEY="crossdesk.cn.key"
+SERVER_CSR="crossdesk.cn.csr"
+SERVER_CERT="crossdesk.cn_bundle.crt"
+FULLCHAIN_CERT="crossdesk.cn_fullchain.crt"
+
+# Certificate subject
+SUBJ="/C=CN/ST=Zhejiang/L=Hangzhou/O=CrossDesk/OU=CrossDesk/CN=$SERVER_IP"
+
+# 1. Generate root certificate
+echo "Generating root private key..."
+openssl genrsa -out "$ROOT_KEY" 4096
+
+echo "Generating self-signed root certificate..."
+openssl req -x509 -new -nodes -key "$ROOT_KEY" -sha256 -days 3650 -out "$ROOT_CERT" -subj "$SUBJ"
+
+# 2. Generate server private key
+echo "Generating server private key..."
+openssl genrsa -out "$SERVER_KEY" 2048
+
+# 3. Generate server CSR
+echo "Generating server CSR..."
+openssl req -new -key "$SERVER_KEY" -out "$SERVER_CSR" -subj "$SUBJ"
+
+# 4. Create temporary OpenSSL config file with SAN
+SAN_CONF="san.cnf"
+cat > $SAN_CONF <<EOL
+[ req ]
+default_bits = 2048
+distinguished_name = req_distinguished_name
+req_extensions = req_ext
+prompt = no
+
+[ req_distinguished_name ]
+C = CN
+ST = Zhejiang
+L = Hangzhou
+O = CrossDesk
+OU = CrossDesk
+CN = $SERVER_IP
+
+[ req_ext ]
+subjectAltName = IP:$SERVER_IP
+EOL
+
+# 5. Sign server certificate with root certificate (including SAN)
+echo "Signing server certificate with root certificate..."
+openssl x509 -req -in "$SERVER_CSR" -CA "$ROOT_CERT" -CAkey "$ROOT_KEY" -CAcreateserial \
+  -out "$SERVER_CERT" -days 3650 -sha256 -extfile "$SAN_CONF" -extensions req_ext
+
+# 6. Generate full chain certificate
+cat "$SERVER_CERT" "$ROOT_CERT" > "$FULLCHAIN_CERT"
+
+# 7. Clean up intermediate files
+rm -f "$ROOT_CERT.srl" "$SAN_CONF" "$ROOT_KEY" "$SERVER_CSR" "FULLCHAIN_CERT"
+
+echo "Generation complete. Deployment files:"
+echo "  Client root certificate: $ROOT_CERT"
+echo "  Server private key: $SERVER_KEY"
+echo "  Server certificate: $SERVER_CERT"
+```
+Execute:
+```
+chmod +x generate_certs.sh
+./generate_certs.sh EXTERNAL_IP
+
+# example ./generate_certs.sh 111.111.111.111
+```
+Expected output:
+```
+Generating root private key...
+Generating self-signed root certificate...
+Generating server private key...
+Generating server CSR...
+Signing server certificate with root certificate...
+Certificate request self-signature ok
+subject=C = CN, ST = Zhejiang, L = Hangzhou, O = CrossDesk, OU = CrossDesk, CN = xxx.xxx.xxx.xxx
+cleaning up intermediate files...
+Generation complete. Deployment files::
+  Client root certificate:: crossdesk.cn_root.crt
+  Server private key: crossdesk.cn.key
+  Server certificate: crossdesk.cn_bundle.crt
+```
+
+#### Server Side
+Place **crossdesk.cn.key** and **crossdesk.cn_bundle.crt** into the **/path/to/your/certs** directory.
+
+#### Client Side
+1. Click the settings icon in the top-right corner to enter the settings page.<br>
+<img width="600" height="210" alt="image" src="https://github.com/user-attachments/assets/6431131d-b32a-4726-8783-6788f47baa3b" /><br><br>
+
+2. Click **Self-Hosted Server Configuration**.<br><br>
+<img width="600" height="160" alt="image" src="https://github.com/user-attachments/assets/24c761a3-1985-4d7e-84be-787383c2afb8" /><br><br>
+
+3. In the **Certificate File Path** selection, locate and select the **crossdesk.cn_root.crt** file.<br><br>
+<img width="600" height="220" alt="image" src="https://github.com/user-attachments/assets/4af7cd3a-c72e-44fb-b032-30e050019c2a" /><br><br>
+
+4. Check the option to use **Self-Hosted Server Configuration**.<br><br>
+<img width="600" height="160" alt="image" src="https://github.com/user-attachments/assets/1e455dc3-4087-4f37-a544-1ff9f8789383" /><br><br>
+
+# FAQ
+See [FAQ](https://github.com/kunkundi/crosssesk/blob/self-hosted-server/docs/FAQ.md) .

config/config.ini

@@ -1,16 +0,0 @@
-[signal server]
-ip = 120.77.216.215
-port = 9099
-
-[stun server]
-ip = 120.77.216.215
-port = 3478
-
-[turn server]
-ip = 120.77.216.215
-port = 3478
-username = dijunkun
-password = dijunkunpw
-
-[hardware acceleration]
-turn_on = true

docs/FAQ.md

@@ -0,0 +1,33 @@
+# 常见问题（FAQ）
+
+欢迎来到 **CrossDesk 常见问题** 页面！  
+这里整理了用户和开发者最常见的一些疑问。如果你没有找到答案，欢迎在 [Issues](https://github.com/kunkundi/crossdesk/issues) 中反馈。
+
+---
+
+### Q1. 对等连接失败
+**A:**  
+打开设置，勾选 **启用中继服务** 选项，尝试重新发起连接。
+
+<img width="396" height="306" alt="Image" src="https://github.com/user-attachments/assets/fd8db148-c782-4f4d-b874-8f1b2a7ec7d6" />
+
+由于公共中继服务器带宽较小，连接的清晰度流畅度可能会下降，建议自建服务器。 [Issue #8](https://github.com/kunkundi/crossdesk/issues/8)
+
+### Q2. Windows 无 CUDA 环境下编译
+**A:**  
+运行下面的命令安装 CUDA 编译环境。
+```
+xmake require -vy "cuda 12.6.3"
+```
+安装完成后执行
+```
+xmake require --info "cuda 12.6.3"
+```
+输出如下
+
+<img width="860" height="226" alt="Image" src="https://github.com/user-attachments/assets/999ac365-581a-4b9a-806e-05eb3e4cf44d" />
+
+根据上述输出获取到 CUDA 的安装目录，即 installdir 指向的位置。将 CUDA_PATH 加入系统环境变量，或在终端中输入 set CUDA_PATH=path_to_cuda_installdir，重新执行 xmake b -vy crossdesk 即可。
+[Issue #6](https://github.com/kunkundi/crossdesk/issues/6)
+
+---

scripts/linux/pkg_amd64.sh

@@ -0,0 +1,120 @@
+#!/bin/bash
+set -e
+
+PKG_NAME="crossdesk"
+APP_NAME="CrossDesk"
+
+APP_VERSION="$1"
+ARCHITECTURE="amd64"
+MAINTAINER="Junkun Di <junkun.di@hotmail.com>"
+DESCRIPTION="A simple cross-platform remote desktop client."
+
+DEB_DIR="${PKG_NAME}-${APP_VERSION}"
+DEBIAN_DIR="$DEB_DIR/DEBIAN"
+BIN_DIR="$DEB_DIR/usr/bin"
+CERT_SRC_DIR="$DEB_DIR/opt/$PKG_NAME/certs"
+ICON_BASE_DIR="$DEB_DIR/usr/share/icons/hicolor"
+DESKTOP_DIR="$DEB_DIR/usr/share/applications"
+
+rm -rf "$DEB_DIR"
+
+mkdir -p "$DEBIAN_DIR" "$BIN_DIR" "$CERT_SRC_DIR" "$DESKTOP_DIR"
+
+cp build/linux/x86_64/release/crossdesk "$BIN_DIR/$PKG_NAME"
+chmod +x "$BIN_DIR/$PKG_NAME"
+
+ln -s "$PKG_NAME" "$BIN_DIR/$APP_NAME"
+
+cp certs/crossdesk.cn_root.crt "$CERT_SRC_DIR/crossdesk.cn_root.crt"
+
+for size in 16 24 32 48 64 96 128 256; do
+    mkdir -p "$ICON_BASE_DIR/${size}x${size}/apps"
+    cp "icons/linux/crossdesk_${size}x${size}.png" \
+       "$ICON_BASE_DIR/${size}x${size}/apps/${PKG_NAME}.png"
+done
+
+cat > "$DEBIAN_DIR/control" << EOF
+Package: $PKG_NAME
+Version: $APP_VERSION
+Architecture: $ARCHITECTURE
+Maintainer: $MAINTAINER
+Description: $DESCRIPTION
+Depends: libc6 (>= 2.29), libstdc++6 (>= 9), libx11-6, libxcb1,
+ libxcb-randr0, libxcb-xtest0, libxcb-xinerama0, libxcb-shape0,
+ libxcb-xkb1, libxcb-xfixes0, libxv1, libxtst6, libasound2,
+ libsndio7.0, libxcb-shm0, libpulse0
+Recommends: nvidia-cuda-toolkit
+Priority: optional
+Section: utils
+EOF
+
+cat > "$DESKTOP_DIR/$PKG_NAME.desktop" << EOF
+[Desktop Entry]
+Version=$APP_VERSION
+Name=$APP_NAME
+Comment=$DESCRIPTION
+Exec=/usr/bin/$PKG_NAME
+Icon=$PKG_NAME
+Terminal=false
+Type=Application
+Categories=Utility;
+EOF
+
+cat > "$DEBIAN_DIR/postrm" << EOF
+#!/bin/bash
+set -e
+
+if [ "\$1" = "remove" ] || [ "\$1" = "purge" ]; then
+    rm -f /usr/bin/$PKG_NAME || true
+    rm -f /usr/bin/$APP_NAME || true
+    rm -f /usr/share/applications/$PKG_NAME.desktop || true
+    rm -rf /opt/$PKG_NAME/certs || true
+    for size in 16 24 32 48 64 96 128 256; do
+        rm -f /usr/share/icons/hicolor/\${size}x\${size}/apps/$PKG_NAME.png || true
+    done
+fi
+
+exit 0
+EOF
+chmod +x "$DEBIAN_DIR/postrm"
+
+cat > "$DEBIAN_DIR/postinst" << 'EOF'
+#!/bin/bash
+set -e
+
+CERT_SRC="/opt/crossdesk/certs"
+CERT_FILE="crossdesk.cn_root.crt"
+
+for user_home in /home/*; do
+    [ -d "$user_home" ] || continue
+    username=$(basename "$user_home")
+    config_dir="$user_home/.config/CrossDesk/certs"
+    target="$config_dir/$CERT_FILE"
+
+    if [ ! -f "$target" ]; then
+        mkdir -p "$config_dir" || true
+        cp "$CERT_SRC/$CERT_FILE" "$target" || true
+        chown -R "$username:$username" "$user_home/.config/CrossDesk" || true
+        echo "✔ Installed cert for $username at $target"
+    fi
+done
+
+if [ -d "/root" ]; then
+    config_dir="/root/.config/CrossDesk/certs"
+    mkdir -p "$config_dir" || true
+    cp "$CERT_SRC/$CERT_FILE" "$config_dir/$CERT_FILE" || true
+    chown -R root:root /root/.config/CrossDesk || true
+fi
+
+exit 0
+EOF
+chmod +x "$DEBIAN_DIR/postinst"
+
+dpkg-deb --build "$DEB_DIR"
+
+OUTPUT_FILE="${PKG_NAME}-linux-${ARCHITECTURE}-${APP_VERSION}.deb"
+mv "$DEB_DIR.deb" "$OUTPUT_FILE"
+
+rm -rf "$DEB_DIR"
+
+echo "✅ Deb package created: $OUTPUT_FILE"

scripts/linux/pkg_arm64.sh

@@ -0,0 +1,120 @@
+#!/bin/bash
+set -e
+
+PKG_NAME="crossdesk"
+APP_NAME="CrossDesk"
+
+APP_VERSION="$1"
+ARCHITECTURE="arm64"
+MAINTAINER="Junkun Di <junkun.di@hotmail.com>"
+DESCRIPTION="A simple cross-platform remote desktop client."
+
+DEB_DIR="${PKG_NAME}-${APP_VERSION}"
+DEBIAN_DIR="$DEB_DIR/DEBIAN"
+BIN_DIR="$DEB_DIR/usr/bin"
+CERT_SRC_DIR="$DEB_DIR/opt/$PKG_NAME/certs"
+ICON_BASE_DIR="$DEB_DIR/usr/share/icons/hicolor"
+DESKTOP_DIR="$DEB_DIR/usr/share/applications"
+
+rm -rf "$DEB_DIR"
+
+mkdir -p "$DEBIAN_DIR" "$BIN_DIR" "$CERT_SRC_DIR" "$DESKTOP_DIR"
+
+cp build/linux/arm64/release/crossdesk "$BIN_DIR"
+chmod +x "$BIN_DIR/$PKG_NAME"
+
+ln -s "$PKG_NAME" "$BIN_DIR/$APP_NAME"
+
+cp certs/crossdesk.cn_root.crt "$CERT_SRC_DIR/crossdesk.cn_root.crt"
+
+for size in 16 24 32 48 64 96 128 256; do
+    mkdir -p "$ICON_BASE_DIR/${size}x${size}/apps"
+    cp "icons/linux/crossdesk_${size}x${size}.png" \
+       "$ICON_BASE_DIR/${size}x${size}/apps/${PKG_NAME}.png"
+done
+
+cat > "$DEBIAN_DIR/control" << EOF
+Package: $PKG_NAME
+Version: $APP_VERSION
+Architecture: $ARCHITECTURE
+Maintainer: $MAINTAINER
+Description: $DESCRIPTION
+Depends: libc6 (>= 2.29), libstdc++6 (>= 9), libx11-6, libxcb1,
+ libxcb-randr0, libxcb-xtest0, libxcb-xinerama0, libxcb-shape0,
+ libxcb-xkb1, libxcb-xfixes0, libxv1, libxtst6, libasound2,
+ libsndio7.0, libxcb-shm0, libpulse0
+Priority: optional
+Section: utils
+EOF
+
+cat > "$DESKTOP_DIR/$PKG_NAME.desktop" << EOF
+[Desktop Entry]
+Version=$APP_VERSION
+Name=$APP_NAME
+Comment=$DESCRIPTION
+Exec=/usr/bin/$PKG_NAME
+Icon=$PKG_NAME
+Terminal=false
+Type=Application
+Categories=Utility;
+EOF
+
+cat > "$DEBIAN_DIR/postrm" << EOF
+#!/bin/bash
+set -e
+
+if [ "\$1" = "remove" ] || [ "\$1" = "purge" ]; then
+    rm -f /usr/bin/$PKG_NAME || true
+    rm -f /usr/bin/$APP_NAME || true
+    rm -f /usr/share/applications/$PKG_NAME.desktop || true
+    rm -rf /opt/$PKG_NAME/certs || true
+    for size in 16 24 32 48 64 96 128 256; do
+        rm -f /usr/share/icons/hicolor/\${size}x\${size}/apps/$PKG_NAME.png || true
+    done
+fi
+
+exit 0
+EOF
+chmod +x "$DEBIAN_DIR/postrm"
+
+cat > "$DEBIAN_DIR/postinst" << 'EOF'
+#!/bin/bash
+set -e
+
+CERT_SRC="/opt/crossdesk/certs"
+CERT_FILE="crossdesk.cn_root.crt"
+
+for user_home in /home/*; do
+    [ -d "$user_home" ] || continue
+    username=$(basename "$user_home")
+    config_dir="$user_home/.config/CrossDesk/certs"
+    target="$config_dir/$CERT_FILE"
+
+    if [ ! -f "$target" ]; then
+        mkdir -p "$config_dir" || true
+        cp "$CERT_SRC/$CERT_FILE" "$target" || true
+        chown -R "$username:$username" "$user_home/.config/CrossDesk" || true
+        echo "✔ Installed cert for $username at $target"
+    fi
+done
+
+if [ -d "/root" ]; then
+    config_dir="/root/.config/CrossDesk/certs"
+    mkdir -p "$config_dir" || true
+    cp "$CERT_SRC/$CERT_FILE" "$config_dir/$CERT_FILE" || true
+    chown -R root:root /root/.config/CrossDesk || true
+fi
+
+exit 0
+EOF
+
+chmod +x "$DEBIAN_DIR/postinst"
+
+dpkg-deb --build "$DEB_DIR"
+
+OUTPUT_FILE="crossdesk-linux-arm64-$APP_VERSION.deb"
+mv "$DEB_DIR.deb" "$OUTPUT_FILE"
+
+rm -rf "$DEB_DIR"
+
+echo "✅ Deb package created: $OUTPUT_FILE"

scripts/macosx/pkg_arm64.sh

@@ -0,0 +1,125 @@
+#!/bin/bash
+set -e
+
+APP_NAME="crossdesk"
+APP_NAME_UPPER="CrossDesk"
+EXECUTABLE_PATH="./build/macosx/arm64/release/crossdesk"
+APP_VERSION="$1"
+PLATFORM="macos"
+ARCH="arm64"
+IDENTIFIER="cn.crossdesk.app"
+ICON_PATH="icons/macos/crossdesk.icns"
+MACOS_MIN_VERSION="10.12"
+
+CERTS_SOURCE="certs"
+CERT_NAME="crossdesk.cn_root.crt"
+
+APP_BUNDLE="${APP_NAME_UPPER}.app"
+CONTENTS_DIR="${APP_BUNDLE}/Contents"
+MACOS_DIR="${CONTENTS_DIR}/MacOS"
+RESOURCES_DIR="${CONTENTS_DIR}/Resources"
+
+PKG_NAME="${APP_NAME}-${PLATFORM}-${ARCH}-${APP_VERSION}.pkg"
+DMG_NAME="${APP_NAME}-${PLATFORM}-${ARCH}-${APP_VERSION}.dmg"
+VOL_NAME="Install ${APP_NAME_UPPER}"
+
+echo "delete old files"
+rm -rf "${APP_BUNDLE}" "${PKG_NAME}" "${DMG_NAME}" build_pkg_temp CrossDesk_dmg_temp
+
+mkdir -p build_pkg_temp
+mkdir -p "${MACOS_DIR}" "${RESOURCES_DIR}"
+
+cp "${EXECUTABLE_PATH}" "${MACOS_DIR}/${APP_NAME_UPPER}"
+chmod +x "${MACOS_DIR}/${APP_NAME_UPPER}"
+
+if [ -f "${ICON_PATH}" ]; then
+    cp "${ICON_PATH}" "${RESOURCES_DIR}/crossedesk.icns"
+    ICON_KEY="<key>CFBundleIconFile</key><string>crossedesk.icns</string>"
+else
+    ICON_KEY=""
+fi
+
+echo "generate Info.plist"
+cat > "${CONTENTS_DIR}/Info.plist" <<EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleName</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundleDisplayName</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundleIdentifier</key>
+    <string>${IDENTIFIER}</string>
+    <key>CFBundleVersion</key>
+    <string>${APP_VERSION}</string>
+    <key>CFBundleShortVersionString</key>
+    <string>${APP_VERSION}</string>
+    <key>CFBundleExecutable</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    ${ICON_KEY}
+    <key>LSMinimumSystemVersion</key>
+    <string>${MACOS_MIN_VERSION}</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+    <key>NSCameraUsageDescription</key>
+    <string>应用需要访问摄像头</string>
+    <key>NSMicrophoneUsageDescription</key>
+    <string>应用需要访问麦克风</string>
+    <key>NSAppleEventsUsageDescription</key>
+    <string>应用需要发送 Apple 事件</string>
+    <key>NSScreenCaptureUsageDescription</key>
+    <string>应用需要录屏权限以捕获屏幕内容</string>
+</dict>
+</plist>
+EOF
+
+echo ".app created successfully."
+
+echo "building pkg..."
+pkgbuild \
+  --identifier "${IDENTIFIER}" \
+  --version "${APP_VERSION}" \
+  --install-location "/Applications" \
+  --component "${APP_BUNDLE}" \
+  build_pkg_temp/${APP_NAME}-component.pkg
+
+mkdir -p scripts
+
+cat > scripts/postinstall <<'EOF'
+#!/bin/bash
+USER_HOME=$( /usr/bin/stat -f "%Su" /dev/console )
+HOME_DIR=$( /usr/bin/dscl . -read /Users/$USER_HOME NFSHomeDirectory | awk '{print $2}' )
+
+DEST="$HOME_DIR/Library/Application Support/CrossDesk/certs"
+
+mkdir -p "$DEST"
+cp -R "/Library/Application Support/CrossDesk/certs/"* "$DEST/"
+
+exit 0
+EOF
+
+chmod +x scripts/postinstall
+
+pkgbuild \
+  --root "${CERTS_SOURCE}" \
+  --identifier "${IDENTIFIER}.certs" \
+  --version "${APP_VERSION}" \
+  --install-location "/Library/Application Support/CrossDesk/certs" \
+  --scripts scripts \
+  build_pkg_temp/${APP_NAME}-certs.pkg
+
+productbuild \
+  --package build_pkg_temp/${APP_NAME}-component.pkg \
+  --package build_pkg_temp/${APP_NAME}-certs.pkg \
+  "${PKG_NAME}"
+
+echo "PKG package created: ${PKG_NAME}"
+
+rm -rf build_pkg_temp scripts ${APP_BUNDLE}
+
+echo "PKG package created successfully."
+echo "package ${APP_BUNDLE}"
+echo "installer ${PKG_NAME}"

scripts/macosx/pkg_x64.sh

@@ -0,0 +1,125 @@
+#!/bin/bash
+set -e
+
+APP_NAME="crossdesk"
+APP_NAME_UPPER="CrossDesk"
+EXECUTABLE_PATH="build/macosx/x86_64/release/crossdesk"
+APP_VERSION="$1"
+PLATFORM="macos"
+ARCH="x64"
+IDENTIFIER="cn.crossdesk.app"
+ICON_PATH="icons/macos/crossdesk.icns"
+MACOS_MIN_VERSION="10.12"
+
+CERTS_SOURCE="certs"
+CERT_NAME="crossdesk.cn_root.crt"
+
+APP_BUNDLE="${APP_NAME_UPPER}.app"
+CONTENTS_DIR="${APP_BUNDLE}/Contents"
+MACOS_DIR="${CONTENTS_DIR}/MacOS"
+RESOURCES_DIR="${CONTENTS_DIR}/Resources"
+
+PKG_NAME="${APP_NAME}-${PLATFORM}-${ARCH}-${APP_VERSION}.pkg"
+DMG_NAME="${APP_NAME}-${PLATFORM}-${ARCH}-${APP_VERSION}.dmg"
+VOL_NAME="Install ${APP_NAME_UPPER}"
+
+echo "delete old files"
+rm -rf "${APP_BUNDLE}" "${PKG_NAME}" "${DMG_NAME}" build_pkg_temp CrossDesk_dmg_temp
+
+mkdir -p build_pkg_temp
+mkdir -p "${MACOS_DIR}" "${RESOURCES_DIR}"
+
+cp "${EXECUTABLE_PATH}" "${MACOS_DIR}/${APP_NAME_UPPER}"
+chmod +x "${MACOS_DIR}/${APP_NAME_UPPER}"
+
+if [ -f "${ICON_PATH}" ]; then
+    cp "${ICON_PATH}" "${RESOURCES_DIR}/crossedesk.icns"
+    ICON_KEY="<key>CFBundleIconFile</key><string>crossedesk.icns</string>"
+else
+    ICON_KEY=""
+fi
+
+echo "generate Info.plist"
+cat > "${CONTENTS_DIR}/Info.plist" <<EOF
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleName</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundleDisplayName</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundleIdentifier</key>
+    <string>${IDENTIFIER}</string>
+    <key>CFBundleVersion</key>
+    <string>${APP_VERSION}</string>
+    <key>CFBundleShortVersionString</key>
+    <string>${APP_VERSION}</string>
+    <key>CFBundleExecutable</key>
+    <string>${APP_NAME_UPPER}</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    ${ICON_KEY}
+    <key>LSMinimumSystemVersion</key>
+    <string>${MACOS_MIN_VERSION}</string>
+    <key>NSHighResolutionCapable</key>
+    <true/>
+    <key>NSCameraUsageDescription</key>
+    <string>应用需要访问摄像头</string>
+    <key>NSMicrophoneUsageDescription</key>
+    <string>应用需要访问麦克风</string>
+    <key>NSAppleEventsUsageDescription</key>
+    <string>应用需要发送 Apple 事件</string>
+    <key>NSScreenCaptureUsageDescription</key>
+    <string>应用需要录屏权限以捕获屏幕内容</string>
+</dict>
+</plist>
+EOF
+
+echo ".app created successfully."
+
+echo "building pkg..."
+pkgbuild \
+  --identifier "${IDENTIFIER}" \
+  --version "${APP_VERSION}" \
+  --install-location "/Applications" \
+  --component "${APP_BUNDLE}" \
+  build_pkg_temp/${APP_NAME}-component.pkg
+
+mkdir -p scripts
+
+cat > scripts/postinstall <<'EOF'
+#!/bin/bash
+USER_HOME=$( /usr/bin/stat -f "%Su" /dev/console )
+HOME_DIR=$( /usr/bin/dscl . -read /Users/$USER_HOME NFSHomeDirectory | awk '{print $2}' )
+
+DEST="$HOME_DIR/Library/Application Support/CrossDesk/certs"
+
+mkdir -p "$DEST"
+cp -R "/Library/Application Support/CrossDesk/certs/"* "$DEST/"
+
+exit 0
+EOF
+
+chmod +x scripts/postinstall
+
+pkgbuild \
+  --root "${CERTS_SOURCE}" \
+  --identifier "${IDENTIFIER}.certs" \
+  --version "${APP_VERSION}" \
+  --install-location "/Library/Application Support/CrossDesk/certs" \
+  --scripts scripts \
+  build_pkg_temp/${APP_NAME}-certs.pkg
+
+productbuild \
+  --package build_pkg_temp/${APP_NAME}-component.pkg \
+  --package build_pkg_temp/${APP_NAME}-certs.pkg \
+  "${PKG_NAME}"
+
+echo "PKG package created: ${PKG_NAME}"
+
+rm -rf build_pkg_temp scripts ${APP_BUNDLE}
+
+echo "PKG package created successfully."
+echo "package ${APP_BUNDLE}"
+echo "installer ${PKG_NAME}"

scripts/windows/crossdesk.manifest

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+
+  <!-- 应用程序标识 -->
+  <assemblyIdentity
+      version="1.0.0.0"
+      processorArchitecture="*"
+      name="CrossDesk"
+      type="win32" />
+
+  <!-- 描述信息 -->
+  <description>CrossDesk Application</description>
+
+  <!-- 权限：要求管理员运行 -->
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+    <security>
+      <requestedPrivileges>
+        <requestedExecutionLevel level="requireAdministrator" uiAccess="false"/>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+
+  <!-- DPI 感知设置：支持高分屏 -->
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <!-- Windows Vista/7 风格 DPI 感知 -->
+      <dpiAware>true/pm</dpiAware>
+      <!-- Windows 10/11 高级 DPI 感知 -->
+      <dpiAwareness>PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+
+  <!-- Windows 兼容性声明 -->
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- 支持 Windows 10 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+      <!-- 支持 Windows 11（向下兼容 Win10 GUID） -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+    </application>
+  </compatibility>
+
+</assembly>

scripts/windows/nsis_script.nsi

@@ -0,0 +1,164 @@
+; Set search path
+!addincludedir "${__FILEDIR__}"
+
+; Installer initial constants
+!define PRODUCT_NAME "CrossDesk"
+!define PRODUCT_VERSION "${VERSION}"
+!define PRODUCT_PUBLISHER "CrossDesk"
+!define PRODUCT_WEB_SITE "https://www.crossdesk.cn/"
+!define APP_NAME "CrossDesk"
+!define UNINSTALL_REG_KEY "CrossDesk"
+
+; Installer icon path
+!define MUI_ICON "${__FILEDIR__}\..\..\icons\windows\crossdesk.ico"
+
+; Certificate path
+!define CERT_FILE "${__FILEDIR__}\..\..\certs\crossdesk.cn_root.crt"
+
+; Compression settings
+SetCompressor /FINAL lzma
+
+; Request admin privileges (needed to write HKLM)
+RequestExecutionLevel admin
+
+; ------ MUI Modern UI Definition ------
+!include "MUI.nsh"
+!define MUI_ABORTWARNING
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_INSTFILES
+
+; Add run-after-install option
+!define MUI_FINISHPAGE_RUN
+!define MUI_FINISHPAGE_RUN_TEXT "Run ${PRODUCT_NAME}"
+!define MUI_FINISHPAGE_RUN_FUNCTION LaunchApp
+
+!insertmacro MUI_PAGE_FINISH
+!insertmacro MUI_LANGUAGE "SimpChinese"
+!insertmacro MUI_RESERVEFILE_INSTALLOPTIONS
+; ------ End of MUI Definition ------
+
+; Include LogicLib for process handling
+!include "LogicLib.nsh"
+
+Name "${PRODUCT_NAME} ${PRODUCT_VERSION}"
+OutFile "crossdesk-win-x64-${PRODUCT_VERSION}.exe"
+InstallDir "$PROGRAMFILES\CrossDesk"
+InstallDirRegKey HKCU "Software\${PRODUCT_NAME}" "InstallDir"
+ShowInstDetails show
+
+Section "MainSection"
+    ; Check if CrossDesk is running
+    StrCpy $1 "crossdesk.exe"
+    
+    nsProcess::_FindProcess "$1"
+    Pop $R0
+    ${If} $R0 = 0  ;
+        MessageBox MB_ICONQUESTION|MB_YESNO "CrossDesk is running. Do you want to close it and continue the installation?" IDYES closeApp IDNO cancelInstall
+    ${Else}
+        Goto installApp
+    ${EndIf}
+
+closeApp:
+    nsProcess::_KillProcess "$1"
+    Pop $R0
+    Sleep 500
+    Goto installApp
+
+cancelInstall:
+    SetDetailsPrint both
+    MessageBox MB_ICONEXCLAMATION|MB_OK "Installation has been aborted."
+    Abort
+
+installApp:
+    SetOutPath "$INSTDIR"
+    SetOverwrite ifnewer
+
+    ; Main application executable path
+    File /oname=crossdesk.exe "..\..\build\windows\x64\release\crossdesk.exe"
+    
+    ; Copy icon file to installation directory
+    File "${MUI_ICON}"
+
+    ; Write uninstall information
+    WriteUninstaller "$INSTDIR\uninstall.exe"
+
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "DisplayName" "${PRODUCT_NAME}"
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "UninstallString" "$INSTDIR\uninstall.exe"
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "DisplayVersion" "${PRODUCT_VERSION}"
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "Publisher" "${PRODUCT_PUBLISHER}"
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "URLInfoAbout" "${PRODUCT_WEB_SITE}"
+    WriteRegStr HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "DisplayIcon" "$INSTDIR\crossdesk.ico"
+    WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "NoModify" 1
+    WriteRegDWORD HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}" "NoRepair" 1
+    WriteRegStr HKCU "Software\${PRODUCT_NAME}" "InstallDir" "$INSTDIR"
+SectionEnd
+
+; After installation
+Section -Post
+    ExecWait '"C:\Program Files (x86)\Windows Kits\10\bin\10.0.26100.0\x86\mt.exe" -manifest "$INSTDIR\crossdesk.manifest" -outputresource:"$INSTDIR\crossdesk.exe";1'
+SectionEnd
+
+Section "Cert"
+    SetOutPath "$APPDATA\CrossDesk\certs"
+    File /r "${CERT_FILE}"
+SectionEnd
+
+Section -AdditionalIcons
+    ; Desktop shortcut
+    CreateShortCut "$DESKTOP\${PRODUCT_NAME}.lnk" "$INSTDIR\crossdesk.exe" "" "$INSTDIR\crossdesk.ico"
+
+    ; Start menu shortcut
+    CreateShortCut "$SMPROGRAMS\${PRODUCT_NAME}.lnk" "$INSTDIR\crossdesk.exe" "" "$INSTDIR\crossdesk.ico"
+SectionEnd
+
+Section "Uninstall"
+    ; Check if CrossDesk is running
+    StrCpy $1 "crossdesk.exe"
+    
+    nsProcess::_FindProcess "$1"
+    Pop $R0
+    ${If} $R0 = 0
+        MessageBox MB_ICONQUESTION|MB_YESNO "CrossDesk is running. Do you want to close it and uninstall?" IDYES closeApp IDNO cancelUninstall
+    ${Else}
+        Goto uninstallApp
+    ${EndIf}
+
+closeApp:
+    nsProcess::_KillProcess "$1"
+    Pop $R0
+    Sleep 500
+    Goto uninstallApp
+
+cancelUninstall:
+    SetDetailsPrint both
+    MessageBox MB_ICONEXCLAMATION|MB_OK "Uninstallation has been aborted."
+    Abort
+
+uninstallApp:
+    ; Delete main executable and uninstaller
+    Delete "$INSTDIR\crossdesk.exe"
+    Delete "$INSTDIR\uninstall.exe"
+
+    ; Recursively delete installation directory
+    RMDir /r "$INSTDIR"
+
+    ; Delete desktop and start menu shortcuts
+    Delete "$DESKTOP\${PRODUCT_NAME}.lnk"
+    Delete "$SMPROGRAMS\${PRODUCT_NAME}.lnk"
+
+    ; Delete registry uninstall entry
+    DeleteRegKey HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\${UNINSTALL_REG_KEY}"
+
+    ; Delete remembered install dir
+    DeleteRegKey HKCU "Software\${PRODUCT_NAME}"
+
+    ; Recursively delete CrossDesk folder in user AppData
+    RMDir /r "$APPDATA\CrossDesk"
+    RMDir /r "$LOCALAPPDATA\CrossDesk"
+SectionEnd
+
+; ------ Functions ------
+Function LaunchApp
+    Exec "$INSTDIR\crossdesk.exe"
+FunctionEnd

src/app/main.cpp

@@ -0,0 +1,17 @@
+#ifdef _WIN32
+#ifdef DESK_PORT_DEBUG
+#pragma comment(linker, "/subsystem:\"console\"")
+#else
+#pragma comment(linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
+#endif
+#endif
+
+#include "rd_log.h"
+#include "render.h"
+
+int main([[maybe_unused]] int argc, [[maybe_unused]] char* argv[]) {
+  crossdesk::Render render;
+  render.Run();
+
+  return 0;
+}

src/common/display_info.h

@@ -0,0 +1,46 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-05-15
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _DISPLAY_INFO_H_
+#define _DISPLAY_INFO_H_
+
+#include <string>
+
+namespace crossdesk {
+
+class DisplayInfo {
+ public:
+  DisplayInfo(std::string name, int left, int top, int right, int bottom)
+      : name(name), left(left), top(top), right(right), bottom(bottom) {
+    width = right - left;
+    height = bottom - top;
+  }
+  DisplayInfo(void* handle, std::string name, bool is_primary, int left,
+              int top, int right, int bottom)
+      : handle(handle),
+        name(name),
+        is_primary(is_primary),
+        left(left),
+        top(top),
+        right(right),
+        bottom(bottom) {
+    width = right - left;
+    height = bottom - top;
+  }
+  ~DisplayInfo() {}
+
+  void* handle = nullptr;
+  std::string name = "";
+  bool is_primary = false;
+  int left = 0;
+  int top = 0;
+  int right = 0;
+  int bottom = 0;
+  int width = 0;
+  int height = 0;
+};
+}  // namespace crossdesk
+#endif

src/common/platform.cpp

@@ -0,0 +1,128 @@
+#include "platform.h"
+
+#include "rd_log.h"
+
+#ifdef _WIN32
+#include <Winsock2.h>
+#include <iphlpapi.h>
+#elif __APPLE__
+#include <ifaddrs.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#elif __linux__
+#include <fcntl.h>
+#include <net/if.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#endif
+
+namespace crossdesk {
+
+std::string GetMac() {
+  char mac_addr[16];
+  int len = 0;
+#ifdef _WIN32
+  IP_ADAPTER_INFO adapterInfo[16];
+  DWORD bufferSize = sizeof(adapterInfo);
+  DWORD result = GetAdaptersInfo(adapterInfo, &bufferSize);
+  if (result == ERROR_SUCCESS) {
+    PIP_ADAPTER_INFO adapter = adapterInfo;
+    while (adapter) {
+      for (UINT i = 0; i < adapter->AddressLength; i++) {
+        len += sprintf_s(mac_addr + len, sizeof(mac_addr) - len, "%.2X",
+                         adapter->Address[i]);
+      }
+      break;
+    }
+  }
+#elif __APPLE__
+  std::string if_name = "en0";
+
+  struct ifaddrs* addrs;
+  struct ifaddrs* cursor;
+  const struct sockaddr_dl* dlAddr;
+
+  if (!getifaddrs(&addrs)) {
+    cursor = addrs;
+    while (cursor != 0) {
+      const struct sockaddr_dl* socAddr =
+          (const struct sockaddr_dl*)cursor->ifa_addr;
+      if ((cursor->ifa_addr->sa_family == AF_LINK) &&
+          (socAddr->sdl_type == IFT_ETHER) &&
+          strcmp(if_name.c_str(), cursor->ifa_name) == 0) {
+        dlAddr = (const struct sockaddr_dl*)cursor->ifa_addr;
+        const unsigned char* base =
+            (const unsigned char*)&dlAddr->sdl_data[dlAddr->sdl_nlen];
+        for (int i = 0; i < dlAddr->sdl_alen; i++) {
+          len +=
+              snprintf(mac_addr + len, sizeof(mac_addr) - len, "%.2X", base[i]);
+        }
+      }
+      cursor = cursor->ifa_next;
+    }
+    freeifaddrs(addrs);
+  }
+#elif __linux__
+  int sock = socket(AF_INET, SOCK_DGRAM, 0);
+  if (sock < 0) {
+    return "";
+  }
+  struct ifreq ifr;
+  struct ifconf ifc;
+  char buf[1024];
+  ifc.ifc_len = sizeof(buf);
+  ifc.ifc_buf = buf;
+  if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) {
+    close(sock);
+    return "";
+  }
+  struct ifreq* it = ifc.ifc_req;
+  const struct ifreq* const end = it + (ifc.ifc_len / sizeof(struct ifreq));
+  for (; it != end; ++it) {
+    std::strcpy(ifr.ifr_name, it->ifr_name);
+    if (ioctl(sock, SIOCGIFFLAGS, &ifr) < 0) {
+      continue;
+    }
+    if (ifr.ifr_flags & IFF_LOOPBACK) {
+      continue;
+    }
+    if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) {
+      continue;
+    }
+    std::string mac_address;
+    for (int i = 0; i < 6; ++i) {
+      len += sprintf(mac_addr + len, "%.2X", ifr.ifr_hwaddr.sa_data[i] & 0xff);
+    }
+    break;
+  }
+  close(sock);
+#endif
+  return mac_addr;
+}
+
+std::string GetHostName() {
+  char hostname[256];
+#ifdef _WIN32
+  WSADATA wsaData;
+  if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) {
+    std::cerr << "WSAStartup failed." << std::endl;
+    return "";
+  }
+  if (gethostname(hostname, sizeof(hostname)) == SOCKET_ERROR) {
+    LOG_ERROR("gethostname failed: {}", WSAGetLastError());
+    WSACleanup();
+    return "";
+  }
+  WSACleanup();
+#else
+  if (gethostname(hostname, sizeof(hostname)) == -1) {
+    LOG_ERROR("gethostname failed");
+    return "";
+  }
+#endif
+  return hostname;
+}
+}  // namespace crossdesk

src/common/platform.h

@@ -0,0 +1,18 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-18
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _PLATFORM_H_
+#define _PLATFORM_H_
+
+#include <iostream>
+
+namespace crossdesk {
+
+std::string GetMac();
+std::string GetHostName();
+
+}  // namespace crossdesk
+#endif

src/config_center/config_center.cpp

@@ -0,0 +1,269 @@
+#include "config_center.h"
+
+namespace crossdesk {
+
+ConfigCenter::ConfigCenter(const std::string& config_path,
+                           const std::string& cert_file_path)
+    : config_path_(config_path),
+      cert_file_path_(cert_file_path),
+      cert_file_path_default_(cert_file_path) {
+  ini_.SetUnicode(true);
+  Load();
+}
+
+ConfigCenter::~ConfigCenter() {}
+
+int ConfigCenter::Load() {
+  SI_Error rc = ini_.LoadFile(config_path_.c_str());
+  if (rc < 0) {
+    Save();
+    return -1;
+  }
+
+  language_ = static_cast<LANGUAGE>(
+      ini_.GetLongValue(section_, "language", static_cast<long>(language_)));
+
+  video_quality_ = static_cast<VIDEO_QUALITY>(ini_.GetLongValue(
+      section_, "video_quality", static_cast<long>(video_quality_)));
+
+  video_frame_rate_ = static_cast<VIDEO_FRAME_RATE>(ini_.GetLongValue(
+      section_, "video_frame_rate", static_cast<long>(video_frame_rate_)));
+
+  video_encode_format_ = static_cast<VIDEO_ENCODE_FORMAT>(
+      ini_.GetLongValue(section_, "video_encode_format",
+                        static_cast<long>(video_encode_format_)));
+
+  hardware_video_codec_ = ini_.GetBoolValue(section_, "hardware_video_codec",
+                                            hardware_video_codec_);
+
+  enable_turn_ = ini_.GetBoolValue(section_, "enable_turn", enable_turn_);
+  enable_srtp_ = ini_.GetBoolValue(section_, "enable_srtp", enable_srtp_);
+  signal_server_host_ = ini_.GetValue(section_, "signal_server_host",
+                                      signal_server_host_.c_str());
+  signal_server_port_ = static_cast<int>(
+      ini_.GetLongValue(section_, "signal_server_port", signal_server_port_));
+  coturn_server_port_ = static_cast<int>(
+      ini_.GetLongValue(section_, "coturn_server_port", coturn_server_port_));
+  cert_file_path_ =
+      ini_.GetValue(section_, "cert_file_path", cert_file_path_.c_str());
+  enable_self_hosted_ =
+      ini_.GetBoolValue(section_, "enable_self_hosted", enable_self_hosted_);
+
+  enable_minimize_to_tray_ = ini_.GetBoolValue(
+      section_, "enable_minimize_to_tray", enable_minimize_to_tray_);
+
+  return 0;
+}
+
+int ConfigCenter::Save() {
+  ini_.SetLongValue(section_, "language", static_cast<long>(language_));
+  ini_.SetLongValue(section_, "video_quality",
+                    static_cast<long>(video_quality_));
+  ini_.SetLongValue(section_, "video_frame_rate",
+                    static_cast<long>(video_frame_rate_));
+  ini_.SetLongValue(section_, "video_encode_format",
+                    static_cast<long>(video_encode_format_));
+  ini_.SetBoolValue(section_, "hardware_video_codec", hardware_video_codec_);
+  ini_.SetBoolValue(section_, "enable_turn", enable_turn_);
+  ini_.SetBoolValue(section_, "enable_srtp", enable_srtp_);
+  ini_.SetValue(section_, "signal_server_host", signal_server_host_.c_str());
+  ini_.SetLongValue(section_, "signal_server_port",
+                    static_cast<long>(signal_server_port_));
+  ini_.SetValue(section_, "cert_file_path", cert_file_path_.c_str());
+  ini_.SetBoolValue(section_, "enable_self_hosted", enable_self_hosted_);
+  ini_.SetBoolValue(section_, "enable_minimize_to_tray",
+                    enable_minimize_to_tray_);
+
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+
+  return 0;
+}
+
+// setters
+
+int ConfigCenter::SetLanguage(LANGUAGE language) {
+  language_ = language;
+  ini_.SetLongValue(section_, "language", static_cast<long>(language_));
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetVideoQuality(VIDEO_QUALITY video_quality) {
+  video_quality_ = video_quality;
+  ini_.SetLongValue(section_, "video_quality",
+                    static_cast<long>(video_quality_));
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetVideoFrameRate(VIDEO_FRAME_RATE video_frame_rate) {
+  video_frame_rate_ = video_frame_rate;
+  ini_.SetLongValue(section_, "video_frame_rate",
+                    static_cast<long>(video_frame_rate_));
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetVideoEncodeFormat(
+    VIDEO_ENCODE_FORMAT video_encode_format) {
+  video_encode_format_ = video_encode_format;
+  ini_.SetLongValue(section_, "video_encode_format",
+                    static_cast<long>(video_encode_format_));
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetHardwareVideoCodec(bool hardware_video_codec) {
+  hardware_video_codec_ = hardware_video_codec;
+  ini_.SetBoolValue(section_, "hardware_video_codec", hardware_video_codec_);
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetTurn(bool enable_turn) {
+  enable_turn_ = enable_turn;
+  ini_.SetBoolValue(section_, "enable_turn", enable_turn_);
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetSrtp(bool enable_srtp) {
+  enable_srtp_ = enable_srtp;
+  ini_.SetBoolValue(section_, "enable_srtp", enable_srtp_);
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetServerHost(const std::string& signal_server_host) {
+  signal_server_host_ = signal_server_host;
+  ini_.SetValue(section_, "signal_server_host", signal_server_host_.c_str());
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetServerPort(int signal_server_port) {
+  signal_server_port_ = signal_server_port;
+  ini_.SetLongValue(section_, "signal_server_port",
+                    static_cast<long>(signal_server_port_));
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetCoturnServerPort(int coturn_server_port) {
+  coturn_server_port_ = coturn_server_port;
+  SI_Error rc = ini_.SetLongValue(section_, "coturn_server_port",
+                                  static_cast<long>(coturn_server_port_));
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetCertFilePath(const std::string& cert_file_path) {
+  cert_file_path_ = cert_file_path;
+  ini_.SetValue(section_, "cert_file_path", cert_file_path_.c_str());
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetSelfHosted(bool enable_self_hosted) {
+  enable_self_hosted_ = enable_self_hosted;
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+  return 0;
+}
+
+int ConfigCenter::SetMinimizeToTray(bool enable_minimize_to_tray) {
+  enable_minimize_to_tray_ = enable_minimize_to_tray;
+  return 0;
+}
+
+// getters
+
+ConfigCenter::LANGUAGE ConfigCenter::GetLanguage() const { return language_; }
+
+ConfigCenter::VIDEO_QUALITY ConfigCenter::GetVideoQuality() const {
+  return video_quality_;
+}
+
+ConfigCenter::VIDEO_FRAME_RATE ConfigCenter::GetVideoFrameRate() const {
+  return video_frame_rate_;
+}
+
+ConfigCenter::VIDEO_ENCODE_FORMAT ConfigCenter::GetVideoEncodeFormat() const {
+  return video_encode_format_;
+}
+
+bool ConfigCenter::IsHardwareVideoCodec() const {
+  return hardware_video_codec_;
+}
+
+bool ConfigCenter::IsEnableTurn() const { return enable_turn_; }
+
+bool ConfigCenter::IsEnableSrtp() const { return enable_srtp_; }
+
+std::string ConfigCenter::GetSignalServerHost() const {
+  return signal_server_host_;
+}
+
+int ConfigCenter::GetSignalServerPort() const { return signal_server_port_; }
+
+int ConfigCenter::GetCoturnServerPort() const { return coturn_server_port_; }
+
+std::string ConfigCenter::GetCertFilePath() const { return cert_file_path_; }
+
+std::string ConfigCenter::GetDefaultServerHost() const {
+  return signal_server_host_default_;
+}
+
+int ConfigCenter::GetDefaultSignalServerPort() const {
+  return server_port_default_;
+}
+
+int ConfigCenter::GetDefaultCoturnServerPort() const {
+  return coturn_server_port_default_;
+}
+
+std::string ConfigCenter::GetDefaultCertFilePath() const {
+  return cert_file_path_default_;
+}
+
+bool ConfigCenter::IsSelfHosted() const { return enable_self_hosted_; }
+
+bool ConfigCenter::IsMinimizeToTray() const { return enable_minimize_to_tray_; }
+}  // namespace crossdesk

src/config_center/config_center.h

@@ -0,0 +1,91 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-05-29
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _CONFIG_CENTER_H_
+#define _CONFIG_CENTER_H_
+
+#include <string>
+
+#include "SimpleIni.h"
+
+namespace crossdesk {
+
+class ConfigCenter {
+ public:
+  enum class LANGUAGE { CHINESE = 0, ENGLISH = 1 };
+  enum class VIDEO_QUALITY { LOW = 0, MEDIUM = 1, HIGH = 2 };
+  enum class VIDEO_FRAME_RATE { FPS_30 = 0, FPS_60 = 1 };
+  enum class VIDEO_ENCODE_FORMAT { H264 = 0, AV1 = 1 };
+
+ public:
+  explicit ConfigCenter(
+      const std::string& config_path = "config.ini",
+      const std::string& cert_file_path = "crossdesk.cn_root.crt");
+  ~ConfigCenter();
+
+  // write config
+  int SetLanguage(LANGUAGE language);
+  int SetVideoQuality(VIDEO_QUALITY video_quality);
+  int SetVideoFrameRate(VIDEO_FRAME_RATE video_frame_rate);
+  int SetVideoEncodeFormat(VIDEO_ENCODE_FORMAT video_encode_format);
+  int SetHardwareVideoCodec(bool hardware_video_codec);
+  int SetTurn(bool enable_turn);
+  int SetSrtp(bool enable_srtp);
+  int SetServerHost(const std::string& signal_server_host);
+  int SetServerPort(int signal_server_port);
+  int SetCoturnServerPort(int coturn_server_port);
+  int SetCertFilePath(const std::string& cert_file_path);
+  int SetSelfHosted(bool enable_self_hosted);
+  int SetMinimizeToTray(bool enable_minimize_to_tray);
+
+  // read config
+
+  LANGUAGE GetLanguage() const;
+  VIDEO_QUALITY GetVideoQuality() const;
+  VIDEO_FRAME_RATE GetVideoFrameRate() const;
+  VIDEO_ENCODE_FORMAT GetVideoEncodeFormat() const;
+  bool IsHardwareVideoCodec() const;
+  bool IsEnableTurn() const;
+  bool IsEnableSrtp() const;
+  std::string GetSignalServerHost() const;
+  int GetSignalServerPort() const;
+  int GetCoturnServerPort() const;
+  std::string GetCertFilePath() const;
+  std::string GetDefaultServerHost() const;
+  int GetDefaultSignalServerPort() const;
+  int GetDefaultCoturnServerPort() const;
+  std::string GetDefaultCertFilePath() const;
+  bool IsSelfHosted() const;
+  bool IsMinimizeToTray() const;
+
+  int Load();
+  int Save();
+
+ private:
+  std::string config_path_;
+  std::string cert_file_path_;
+  CSimpleIniA ini_;
+  const char* section_ = "Settings";
+
+  LANGUAGE language_ = LANGUAGE::CHINESE;
+  VIDEO_QUALITY video_quality_ = VIDEO_QUALITY::MEDIUM;
+  VIDEO_FRAME_RATE video_frame_rate_ = VIDEO_FRAME_RATE::FPS_30;
+  VIDEO_ENCODE_FORMAT video_encode_format_ = VIDEO_ENCODE_FORMAT::H264;
+  bool hardware_video_codec_ = false;
+  bool enable_turn_ = false;
+  bool enable_srtp_ = false;
+  std::string signal_server_host_ = "api.crossdesk.cn";
+  std::string signal_server_host_default_ = "api.crossdesk.cn";
+  int signal_server_port_ = 9099;
+  int server_port_default_ = 9099;
+  int coturn_server_port_ = 3478;
+  int coturn_server_port_default_ = 3478;
+  std::string cert_file_path_default_ = "";
+  bool enable_self_hosted_ = false;
+  bool enable_minimize_to_tray_ = false;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/device_controller.h

@@ -0,0 +1,85 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-14
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _DEVICE_CONTROLLER_H_
+#define _DEVICE_CONTROLLER_H_
+
+#include <stdio.h>
+
+#include "display_info.h"
+
+namespace crossdesk {
+
+typedef enum {
+  mouse = 0,
+  keyboard,
+  audio_capture,
+  host_infomation,
+  display_id,
+} ControlType;
+typedef enum {
+  move = 0,
+  left_down,
+  left_up,
+  right_down,
+  right_up,
+  middle_down,
+  middle_up,
+  wheel_vertical,
+  wheel_horizontal
+} MouseFlag;
+typedef enum { key_down = 0, key_up } KeyFlag;
+typedef struct {
+  float x;
+  float y;
+  int s;
+  MouseFlag flag;
+} Mouse;
+
+typedef struct {
+  size_t key_value;
+  KeyFlag flag;
+} Key;
+
+typedef struct {
+  char host_name[64];
+  size_t host_name_size;
+  char** display_list;
+  size_t display_num;
+  int* left;
+  int* top;
+  int* right;
+  int* bottom;
+} HostInfo;
+
+typedef struct {
+  ControlType type;
+  union {
+    Mouse m;
+    Key k;
+    HostInfo i;
+    bool a;
+    int d;
+  };
+} RemoteAction;
+
+// int key_code, bool is_down
+typedef void (*OnKeyAction)(int, bool, void*);
+
+class DeviceController {
+ public:
+  virtual ~DeviceController() {}
+
+ public:
+  // virtual int Init(int screen_width, int screen_height);
+  // virtual int Destroy();
+  // virtual int SendMouseCommand(RemoteAction remote_action);
+
+  // virtual int Hook();
+  // virtual int Unhook();
+};
+}  // namespace crossdesk
+#endif

src/device_controller/device_controller_factory.h

@@ -0,0 +1,36 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-14
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _DEVICE_CONTROLLER_FACTORY_H_
+#define _DEVICE_CONTROLLER_FACTORY_H_
+
+#include "device_controller.h"
+#include "keyboard_capturer.h"
+#include "mouse_controller.h"
+
+namespace crossdesk {
+
+class DeviceControllerFactory {
+ public:
+  enum Device { Mouse = 0, Keyboard };
+
+ public:
+  virtual ~DeviceControllerFactory() {}
+
+ public:
+  DeviceController* Create(Device device) {
+    switch (device) {
+      case Mouse:
+        return new MouseController();
+      case Keyboard:
+        return new KeyboardCapturer();
+      default:
+        return nullptr;
+    }
+  }
+};
+}  // namespace crossdesk
+#endif

src/device_controller/keyboard/linux/keyboard_capturer.cpp

@@ -0,0 +1,72 @@
+#include "keyboard_capturer.h"
+
+#include "keyboard_converter.h"
+#include "rd_log.h"
+
+namespace crossdesk {
+
+static OnKeyAction g_on_key_action = nullptr;
+static void* g_user_ptr = nullptr;
+
+static int KeyboardEventHandler(Display* display, XEvent* event) {
+  if (event->xkey.type == KeyPress || event->xkey.type == KeyRelease) {
+    KeySym keySym = XKeycodeToKeysym(display, event->xkey.keycode, 0);
+    int key_code = XKeysymToKeycode(display, keySym);
+    bool is_key_down = (event->xkey.type == KeyPress);
+
+    if (g_on_key_action) {
+      g_on_key_action(key_code, is_key_down, g_user_ptr);
+    }
+  }
+  return 0;
+}
+
+KeyboardCapturer::KeyboardCapturer() : display_(nullptr), running_(true) {
+  display_ = XOpenDisplay(nullptr);
+  if (!display_) {
+    LOG_ERROR("Failed to open X display.");
+  }
+}
+
+KeyboardCapturer::~KeyboardCapturer() {
+  if (display_) {
+    XCloseDisplay(display_);
+  }
+}
+
+int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
+  g_on_key_action = on_key_action;
+  g_user_ptr = user_ptr;
+
+  XSelectInput(display_, DefaultRootWindow(display_),
+               KeyPressMask | KeyReleaseMask);
+
+  while (running_) {
+    XEvent event;
+    XNextEvent(display_, &event);
+    KeyboardEventHandler(display_, &event);
+  }
+
+  return 0;
+}
+
+int KeyboardCapturer::Unhook() {
+  running_ = false;
+  return 0;
+}
+
+int KeyboardCapturer::SendKeyboardCommand(int key_code, bool is_down) {
+  if (!display_) {
+    LOG_ERROR("Display not initialized.");
+    return -1;
+  }
+
+  if (vkCodeToX11KeySym.find(key_code) != vkCodeToX11KeySym.end()) {
+    int x11_key_code = vkCodeToX11KeySym[key_code];
+    KeyCode keycode = XKeysymToKeycode(display_, x11_key_code);
+    XTestFakeKeyEvent(display_, keycode, is_down, CurrentTime);
+    XFlush(display_);
+  }
+  return 0;
+}
+}  // namespace crossdesk

src/device_controller/keyboard/linux/keyboard_capturer.h

@@ -0,0 +1,34 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-11-22
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _KEYBOARD_CAPTURER_H_
+#define _KEYBOARD_CAPTURER_H_
+
+#include <X11/Xlib.h>
+#include <X11/extensions/XTest.h>
+#include <X11/keysym.h>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class KeyboardCapturer : public DeviceController {
+ public:
+  KeyboardCapturer();
+  virtual ~KeyboardCapturer();
+
+ public:
+  virtual int Hook(OnKeyAction on_key_action, void* user_ptr);
+  virtual int Unhook();
+  virtual int SendKeyboardCommand(int key_code, bool is_down);
+
+ private:
+  Display* display_;
+  Window root_;
+  bool running_;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/keyboard/mac/keyboard_capturer.cpp

@@ -0,0 +1,170 @@
+#include "keyboard_capturer.h"
+
+#include "keyboard_converter.h"
+#include "rd_log.h"
+
+namespace crossdesk {
+
+static OnKeyAction g_on_key_action = nullptr;
+static void* g_user_ptr = nullptr;
+
+CGEventRef eventCallback(CGEventTapProxy proxy, CGEventType type,
+                         CGEventRef event, void* userInfo) {
+  KeyboardCapturer* keyboard_capturer = (KeyboardCapturer*)userInfo;
+  if (!keyboard_capturer) {
+    LOG_ERROR("keyboard_capturer is nullptr");
+    return event;
+  }
+
+  int vk_code = 0;
+
+  if (type == kCGEventKeyDown || type == kCGEventKeyUp) {
+    CGKeyCode key_code = static_cast<CGKeyCode>(
+        CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode));
+    if (CGKeyCodeToVkCode.find(key_code) != CGKeyCodeToVkCode.end()) {
+      g_on_key_action(CGKeyCodeToVkCode[key_code], type == kCGEventKeyDown,
+                      g_user_ptr);
+    }
+  } else if (type == kCGEventFlagsChanged) {
+    CGEventFlags current_flags = CGEventGetFlags(event);
+    CGKeyCode key_code = static_cast<CGKeyCode>(
+        CGEventGetIntegerValueField(event, kCGKeyboardEventKeycode));
+
+    // caps lock
+    bool caps_lock_state = (current_flags & kCGEventFlagMaskAlphaShift) != 0;
+    if (caps_lock_state != keyboard_capturer->caps_lock_flag_) {
+      keyboard_capturer->caps_lock_flag_ = caps_lock_state;
+      if (keyboard_capturer->caps_lock_flag_) {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], true, g_user_ptr);
+      } else {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], false, g_user_ptr);
+      }
+    }
+
+    // shift
+    bool shift_state = (current_flags & kCGEventFlagMaskShift) != 0;
+    if (shift_state != keyboard_capturer->shift_flag_) {
+      keyboard_capturer->shift_flag_ = shift_state;
+      if (keyboard_capturer->shift_flag_) {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], true, g_user_ptr);
+      } else {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], false, g_user_ptr);
+      }
+    }
+
+    // control
+    bool control_state = (current_flags & kCGEventFlagMaskControl) != 0;
+    if (control_state != keyboard_capturer->control_flag_) {
+      keyboard_capturer->control_flag_ = control_state;
+      if (keyboard_capturer->control_flag_) {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], true, g_user_ptr);
+      } else {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], false, g_user_ptr);
+      }
+    }
+
+    // option
+    bool option_state = (current_flags & kCGEventFlagMaskAlternate) != 0;
+    if (option_state != keyboard_capturer->option_flag_) {
+      keyboard_capturer->option_flag_ = option_state;
+      if (keyboard_capturer->option_flag_) {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], true, g_user_ptr);
+      } else {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], false, g_user_ptr);
+      }
+    }
+
+    // command
+    bool command_state = (current_flags & kCGEventFlagMaskCommand) != 0;
+    if (command_state != keyboard_capturer->command_flag_) {
+      keyboard_capturer->command_flag_ = command_state;
+      if (keyboard_capturer->command_flag_) {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], true, g_user_ptr);
+      } else {
+        g_on_key_action(CGKeyCodeToVkCode[key_code], false, g_user_ptr);
+      }
+    }
+  }
+
+  return nullptr;
+}
+
+KeyboardCapturer::KeyboardCapturer() {}
+
+KeyboardCapturer::~KeyboardCapturer() {}
+
+int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
+  g_on_key_action = on_key_action;
+  g_user_ptr = user_ptr;
+
+  CGEventMask eventMask = (1 << kCGEventKeyDown) | (1 << kCGEventKeyUp) |
+                          (1 << kCGEventFlagsChanged);
+
+  event_tap_ = CGEventTapCreate(kCGSessionEventTap, kCGHeadInsertEventTap,
+                                kCGEventTapOptionDefault, eventMask,
+                                eventCallback, this);
+
+  if (!event_tap_) {
+    LOG_ERROR("CGEventTapCreate failed");
+    return -1;
+  }
+
+  run_loop_source_ =
+      CFMachPortCreateRunLoopSource(kCFAllocatorDefault, event_tap_, 0);
+
+  CFRunLoopAddSource(CFRunLoopGetCurrent(), run_loop_source_,
+                     kCFRunLoopCommonModes);
+
+  CGEventTapEnable(event_tap_, true);
+  return 0;
+}
+
+int KeyboardCapturer::Unhook() {
+  CFRelease(run_loop_source_);
+  CFRelease(event_tap_);
+  return 0;
+}
+
+inline bool IsFunctionKey(int key_code) {
+  switch (key_code) {
+    case 0x7A:
+    case 0x78:
+    case 0x63:
+    case 0x76:
+    case 0x60:
+    case 0x61:
+    case 0x62:
+    case 0x64:
+    case 0x65:
+    case 0x6D:
+    case 0x67:
+    case 0x6F:
+      return true;
+    default:
+      return false;
+  }
+}
+
+int KeyboardCapturer::SendKeyboardCommand(int key_code, bool is_down) {
+  if (vkCodeToCGKeyCode.find(key_code) != vkCodeToCGKeyCode.end()) {
+    CGKeyCode cg_key_code = vkCodeToCGKeyCode[key_code];
+    CGEventRef event = CGEventCreateKeyboardEvent(NULL, cg_key_code, is_down);
+    CGEventRef clearFlags =
+        CGEventCreateKeyboardEvent(NULL, (CGKeyCode)0, true);
+    CGEventSetFlags(clearFlags, 0);
+    CGEventPost(kCGHIDEventTap, event);
+    CFRelease(event);
+
+    // F1-F12 keys often require the FN key to be pressed on Mac keyboards, so
+    // we simulate the FN key release when an F1-F12 key is released.
+    if (IsFunctionKey(cg_key_code) && !is_down) {
+      CGEventRef fn_release_event =
+          CGEventCreateKeyboardEvent(NULL, fn_key_code_, false);
+      CGEventPost(kCGHIDEventTap, fn_release_event);
+      CFRelease(fn_release_event);
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/device_controller/keyboard/mac/keyboard_capturer.h

@@ -0,0 +1,39 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-11-22
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _KEYBOARD_CAPTURER_H_
+#define _KEYBOARD_CAPTURER_H_
+
+#include <ApplicationServices/ApplicationServices.h>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class KeyboardCapturer : public DeviceController {
+ public:
+  KeyboardCapturer();
+  virtual ~KeyboardCapturer();
+
+ public:
+  virtual int Hook(OnKeyAction on_key_action, void* user_ptr);
+  virtual int Unhook();
+  virtual int SendKeyboardCommand(int key_code, bool is_down);
+
+ private:
+  CFMachPortRef event_tap_;
+  CFRunLoopSourceRef run_loop_source_;
+
+ public:
+  bool caps_lock_flag_ = false;
+  bool shift_flag_ = false;
+  bool control_flag_ = false;
+  bool option_flag_ = false;
+  bool command_flag_ = false;
+  int fn_key_code_ = 0x3F;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/keyboard/windows/keyboard_capturer.cpp

@@ -0,0 +1,59 @@
+#include "keyboard_capturer.h"
+
+#include "rd_log.h"
+
+namespace crossdesk {
+
+static OnKeyAction g_on_key_action = nullptr;
+static void* g_user_ptr = nullptr;
+
+LRESULT CALLBACK KeyboardProc(int nCode, WPARAM wParam, LPARAM lParam) {
+  if (nCode == HC_ACTION && g_on_key_action) {
+    KBDLLHOOKSTRUCT* kbData = reinterpret_cast<KBDLLHOOKSTRUCT*>(lParam);
+
+    if (wParam == WM_KEYDOWN || wParam == WM_SYSKEYDOWN) {
+      g_on_key_action(kbData->vkCode, true, g_user_ptr);
+    } else if (wParam == WM_KEYUP || wParam == WM_SYSKEYUP) {
+      g_on_key_action(kbData->vkCode, false, g_user_ptr);
+    }
+    return 1;
+  }
+
+  return CallNextHookEx(NULL, nCode, wParam, lParam);
+}
+
+KeyboardCapturer::KeyboardCapturer() {}
+
+KeyboardCapturer::~KeyboardCapturer() {}
+
+int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
+  g_on_key_action = on_key_action;
+  g_user_ptr = user_ptr;
+
+  keyboard_hook_ = SetWindowsHookEx(WH_KEYBOARD_LL, KeyboardProc, NULL, 0);
+  if (!keyboard_hook_) {
+    LOG_ERROR("Failed to install keyboard hook");
+    return -1;
+  }
+  return 0;
+}
+
+int KeyboardCapturer::Unhook() {
+  UnhookWindowsHookEx(keyboard_hook_);
+  return 0;
+}
+
+// apply remote keyboard commands to the local machine
+int KeyboardCapturer::SendKeyboardCommand(int key_code, bool is_down) {
+  INPUT input = {0};
+  input.type = INPUT_KEYBOARD;
+  input.ki.wVk = (WORD)key_code;
+
+  if (!is_down) {
+    input.ki.dwFlags = KEYEVENTF_KEYUP;
+  }
+  SendInput(1, &input, sizeof(INPUT));
+
+  return 0;
+}
+}  // namespace crossdesk

src/device_controller/keyboard/windows/keyboard_capturer.h

@@ -0,0 +1,31 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-11-22
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _KEYBOARD_CAPTURER_H_
+#define _KEYBOARD_CAPTURER_H_
+
+#include <Windows.h>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class KeyboardCapturer : public DeviceController {
+ public:
+  KeyboardCapturer();
+  virtual ~KeyboardCapturer();
+
+ public:
+  virtual int Hook(OnKeyAction on_key_action, void* user_ptr);
+  virtual int Unhook();
+  virtual int SendKeyboardCommand(int key_code, bool is_down);
+
+ private:
+  HHOOK keyboard_hook_ = nullptr;
+};
+}  // namespace crossdesk
+
+#endif

src/device_controller/keyboard_converter.h

@@ -0,0 +1,742 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-11-25
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _KEYBOARD_CONVERTER_H_
+#define _KEYBOARD_CONVERTER_H_
+
+#include <map>
+
+namespace crossdesk {
+
+// Windows vkCode to macOS CGKeyCode (104 keys)
+std::map<int, int> vkCodeToCGKeyCode = {
+    // A-Z
+    {0x41, 0x00},  // A
+    {0x42, 0x0B},  // B
+    {0x43, 0x08},  // C
+    {0x44, 0x02},  // D
+    {0x45, 0x0E},  // E
+    {0x46, 0x03},  // F
+    {0x47, 0x05},  // G
+    {0x48, 0x04},  // H
+    {0x49, 0x22},  // I
+    {0x4A, 0x26},  // J
+    {0x4B, 0x28},  // K
+    {0x4C, 0x25},  // L
+    {0x4D, 0x2E},  // M
+    {0x4E, 0x2D},  // N
+    {0x4F, 0x1F},  // O
+    {0x50, 0x23},  // P
+    {0x51, 0x0C},  // Q
+    {0x52, 0x0F},  // R
+    {0x53, 0x01},  // S
+    {0x54, 0x11},  // T
+    {0x55, 0x20},  // U
+    {0x56, 0x09},  // V
+    {0x57, 0x0D},  // W
+    {0x58, 0x07},  // X
+    {0x59, 0x10},  // Y
+    {0x5A, 0x06},  // Z
+
+    // 0-9
+    {0x30, 0x1D},  // 0
+    {0x31, 0x12},  // 1
+    {0x32, 0x13},  // 2
+    {0x33, 0x14},  // 3
+    {0x34, 0x15},  // 4
+    {0x35, 0x17},  // 5
+    {0x36, 0x16},  // 6
+    {0x37, 0x1A},  // 7
+    {0x38, 0x1C},  // 8
+    {0x39, 0x19},  // 9
+
+    // F1-F12
+    {0x70, 0x7A},  // F1
+    {0x71, 0x78},  // F2
+    {0x72, 0x63},  // F3
+    {0x73, 0x76},  // F4
+    {0x74, 0x60},  // F5
+    {0x75, 0x61},  // F6
+    {0x76, 0x62},  // F7
+    {0x77, 0x64},  // F8
+    {0x78, 0x65},  // F9
+    {0x79, 0x6D},  // F10
+    {0x7A, 0x67},  // F11
+    {0x7B, 0x6F},  // F12
+
+    // control keys
+    {0x1B, 0x35},  // Escape
+    {0x0D, 0x24},  // Enter
+    {0x20, 0x31},  // Space
+    {0x08, 0x33},  // Backspace
+    {0x09, 0x30},  // Tab
+    {0x2C, 0x74},  // Print Screen
+    {0x2D, 0x72},  // Insert
+    {0x2E, 0x75},  // Delete
+    {0x24, 0x73},  // Home
+    {0x23, 0x77},  // End
+    {0x21, 0x79},  // Page Up
+    {0x22, 0x7A},  // Page Down
+
+    // arrow keys
+    {0x25, 0x7B},  // Left Arrow
+    {0x27, 0x7C},  // Right Arrow
+    {0x26, 0x7E},  // Up Arrow
+    {0x28, 0x7D},  // Down Arrow
+
+    // numpad
+    {0x60, 0x52},  // Numpad 0
+    {0x61, 0x53},  // Numpad 1
+    {0x62, 0x54},  // Numpad 2
+    {0x63, 0x55},  // Numpad 3
+    {0x64, 0x56},  // Numpad 4
+    {0x65, 0x57},  // Numpad 5
+    {0x66, 0x58},  // Numpad 6
+    {0x67, 0x59},  // Numpad 7
+    {0x68, 0x5B},  // Numpad 8
+    {0x69, 0x5C},  // Numpad 9
+    {0x6E, 0x41},  // Numpad .
+    {0x6F, 0x4B},  // Numpad /
+    {0x6A, 0x43},  // Numpad *
+    {0x6D, 0x4E},  // Numpad -
+    {0x6B, 0x45},  // Numpad +
+
+    // symbol keys
+    {0xBA, 0x29},  // ; (Semicolon)
+    {0xDE, 0x27},  // ' (Quote)
+    {0xC0, 0x32},  // ` (Backtick)
+    {0xBC, 0x2B},  // , (Comma)
+    {0xBE, 0x2F},  // . (Period)
+    {0xBF, 0x2C},  // / (Slash)
+    {0xDC, 0x2A},  // \ (Backslash)
+    {0xDB, 0x21},  // [ (Left Bracket)
+    {0xDD, 0x1E},  // ] (Right Bracket)
+    {0xBD, 0x1B},  // - (Minus)
+    {0xBB, 0x18},  // = (Equals)
+
+    // modifier keys
+    {0x14, 0x39},  // Caps Lock
+    {0xA0, 0x38},  // Shift (Left)
+    {0xA1, 0x3C},  // Shift (Right)
+    {0xA2, 0x3B},  // Ctrl (Left)
+    {0xA3, 0x3E},  // Ctrl (Right)
+    {0xA4, 0x3A},  // Alt (Left)
+    {0xA5, 0x3D},  // Alt (Right)
+    {0x5B, 0x37},  // Left Command (Windows key)
+    {0x5C, 0x36},  // Right Command
+};
+
+// macOS CGKeyCode to Windows vkCode
+std::map<int, int> CGKeyCodeToVkCode = {
+    // A-Z
+    {0x00, 0x41},  // A
+    {0x0B, 0x42},  // B
+    {0x08, 0x43},  // C
+    {0x02, 0x44},  // D
+    {0x0E, 0x45},  // E
+    {0x03, 0x46},  // F
+    {0x05, 0x47},  // G
+    {0x04, 0x48},  // H
+    {0x22, 0x49},  // I
+    {0x26, 0x4A},  // J
+    {0x28, 0x4B},  // K
+    {0x25, 0x4C},  // L
+    {0x2E, 0x4D},  // M
+    {0x2D, 0x4E},  // N
+    {0x1F, 0x4F},  // O
+    {0x23, 0x50},  // P
+    {0x0C, 0x51},  // Q
+    {0x0F, 0x52},  // R
+    {0x01, 0x53},  // S
+    {0x11, 0x54},  // T
+    {0x20, 0x55},  // U
+    {0x09, 0x56},  // V
+    {0x0D, 0x57},  // W
+    {0x07, 0x58},  // X
+    {0x10, 0x59},  // Y
+    {0x06, 0x5A},  // Z
+
+    // 0-9
+    {0x1D, 0x30},  // 0
+    {0x12, 0x31},  // 1
+    {0x13, 0x32},  // 2
+    {0x14, 0x33},  // 3
+    {0x15, 0x34},  // 4
+    {0x17, 0x35},  // 5
+    {0x16, 0x36},  // 6
+    {0x1A, 0x37},  // 7
+    {0x1C, 0x38},  // 8
+    {0x19, 0x39},  // 9
+
+    // F1-F12
+    {0x7A, 0x70},  // F1
+    {0x78, 0x71},  // F2
+    {0x63, 0x72},  // F3
+    {0x76, 0x73},  // F4
+    {0x60, 0x74},  // F5
+    {0x61, 0x75},  // F6
+    {0x62, 0x76},  // F7
+    {0x64, 0x77},  // F8
+    {0x65, 0x78},  // F9
+    {0x6D, 0x79},  // F10
+    {0x67, 0x7A},  // F11
+    {0x6F, 0x7B},  // F12
+
+    // control keys
+    {0x35, 0x1B},  // Escape
+    {0x24, 0x0D},  // Enter
+    {0x31, 0x20},  // Space
+    {0x33, 0x08},  // Backspace
+    {0x30, 0x09},  // Tab
+    {0x74, 0x2C},  // Print Screen
+    {0x72, 0x2D},  // Insert
+    {0x75, 0x2E},  // Delete
+    {0x73, 0x24},  // Home
+    {0x77, 0x23},  // End
+    {0x79, 0x21},  // Page Up
+    {0x7A, 0x22},  // Page Down
+
+    // arrow keys
+    {0x7B, 0x25},  // Left Arrow
+    {0x7C, 0x27},  // Right Arrow
+    {0x7E, 0x26},  // Up Arrow
+    {0x7D, 0x28},  // Down Arrow
+
+    // numpad
+    {0x52, 0x60},  // Numpad 0
+    {0x53, 0x61},  // Numpad 1
+    {0x54, 0x62},  // Numpad 2
+    {0x55, 0x63},  // Numpad 3
+    {0x56, 0x64},  // Numpad 4
+    {0x57, 0x65},  // Numpad 5
+    {0x58, 0x66},  // Numpad 6
+    {0x59, 0x67},  // Numpad 7
+    {0x5B, 0x68},  // Numpad 8
+    {0x5C, 0x69},  // Numpad 9
+    {0x41, 0x6E},  // Numpad .
+    {0x4B, 0x6F},  // Numpad /
+    {0x43, 0x6A},  // Numpad *
+    {0x4E, 0x6D},  // Numpad -
+    {0x45, 0x6B},  // Numpad +
+
+    // symbol keys
+    {0x29, 0xBA},  // ; (Semicolon)
+    {0x27, 0xDE},  // ' (Quote)
+    {0x32, 0xC0},  // ` (Backtick)
+    {0x2B, 0xBC},  // , (Comma)
+    {0x2F, 0xBE},  // . (Period)
+    {0x2C, 0xBF},  // / (Slash)
+    {0x2A, 0xDC},  // \ (Backslash)
+    {0x21, 0xDB},  // [ (Left Bracket)
+    {0x1E, 0xDD},  // ] (Right Bracket)
+    {0x1B, 0xBD},  // - (Minus)
+    {0x18, 0xBB},  // = (Equals)
+
+    // modifier keys
+    {0x39, 0x14},  // Caps Lock
+    {0x38, 0xA0},  // Shift (Left)
+    {0x3C, 0xA1},  // Shift (Right)
+    {0x3B, 0xA2},  // Control (Left)
+    {0x3E, 0xA3},  // Control (Right)
+    {0x3A, 0xA4},  // Alt (Left)
+    {0x3D, 0xA5},  // Alt (Right)
+    {0x37, 0x5B},  // Left Command (Windows key)
+    {0x36, 0x5C},  // Right Command
+};
+
+// Windows vkCode to X11 KeySym
+std::map<int, int> vkCodeToX11KeySym = {
+    // A-Z
+    {0x41, 0x0041},  // A
+    {0x42, 0x0042},  // B
+    {0x43, 0x0043},  // C
+    {0x44, 0x0044},  // D
+    {0x45, 0x0045},  // E
+    {0x46, 0x0046},  // F
+    {0x47, 0x0047},  // G
+    {0x48, 0x0048},  // H
+    {0x49, 0x0049},  // I
+    {0x4A, 0x004A},  // J
+    {0x4B, 0x004B},  // K
+    {0x4C, 0x004C},  // L
+    {0x4D, 0x004D},  // M
+    {0x4E, 0x004E},  // N
+    {0x4F, 0x004F},  // O
+    {0x50, 0x0050},  // P
+    {0x51, 0x0051},  // Q
+    {0x52, 0x0052},  // R
+    {0x53, 0x0053},  // S
+    {0x54, 0x0054},  // T
+    {0x55, 0x0055},  // U
+    {0x56, 0x0056},  // V
+    {0x57, 0x0057},  // W
+    {0x58, 0x0058},  // X
+    {0x59, 0x0059},  // Y
+    {0x5A, 0x005A},  // Z
+
+    // 0-9
+    {0x30, 0x0030},  // 0
+    {0x31, 0x0031},  // 1
+    {0x32, 0x0032},  // 2
+    {0x33, 0x0033},  // 3
+    {0x34, 0x0034},  // 4
+    {0x35, 0x0035},  // 5
+    {0x36, 0x0036},  // 6
+    {0x37, 0x0037},  // 7
+    {0x38, 0x0038},  // 8
+    {0x39, 0x0039},  // 9
+
+    // F1-F12
+    {0x70, 0xFFBE},  // F1
+    {0x71, 0xFFBF},  // F2
+    {0x72, 0xFFC0},  // F3
+    {0x73, 0xFFC1},  // F4
+    {0x74, 0xFFC2},  // F5
+    {0x75, 0xFFC3},  // F6
+    {0x76, 0xFFC4},  // F7
+    {0x77, 0xFFC5},  // F8
+    {0x78, 0xFFC6},  // F9
+    {0x79, 0xFFC7},  // F10
+    {0x7A, 0xFFC8},  // F11
+    {0x7B, 0xFFC9},  // F12
+
+    // control keys
+    {0x1B, 0xFF1B},  // Escape
+    {0x0D, 0xFF0D},  // Enter
+    {0x20, 0x0020},  // Space
+    {0x08, 0xFF08},  // Backspace
+    {0x09, 0xFF09},  // Tab
+    {0x2C, 0xFF15},  // Print Screen
+    {0x91, 0xFF14},  // Scroll Lock
+    {0x13, 0xFF13},  // Pause/Break
+    {0x2D, 0xFF63},  // Insert
+    {0x2E, 0xFFFF},  // Delete
+    {0x24, 0xFF50},  // Home
+    {0x23, 0xFF57},  // End
+    {0x21, 0xFF55},  // Page Up
+    {0x22, 0xFF56},  // Page Down
+
+    // arrow keys
+    {0x25, 0xFF51},  // Left Arrow
+    {0x27, 0xFF53},  // Right Arrow
+    {0x26, 0xFF52},  // Up Arrow
+    {0x28, 0xFF54},  // Down Arrow
+
+    // numpad
+    {0x60, 0x0030},  // Numpad 0
+    {0x61, 0x0031},  // Numpad 1
+    {0x62, 0x0032},  // Numpad 2
+    {0x63, 0x0033},  // Numpad 3
+    {0x64, 0x0034},  // Numpad 4
+    {0x65, 0x0035},  // Numpad 5
+    {0x66, 0x0036},  // Numpad 6
+    {0x67, 0x0037},  // Numpad 7
+    {0x68, 0x0038},  // Numpad 8
+    {0x69, 0x0039},  // Numpad 9
+    {0x6E, 0x003A},  // Numpad .
+    {0x6F, 0x002F},  // Numpad /
+    {0x6A, 0x002A},  // Numpad *
+    {0x6D, 0x002D},  // Numpad -
+    {0x6B, 0x002B},  // Numpad +
+
+    // symbol keys
+    {0xBA, 0x003B},  // ; (Semicolon)
+    {0xDE, 0x0027},  // ' (Quote)
+    {0xC0, 0x007E},  // ` (Grave)
+    {0xBC, 0x002C},  // , (Comma)
+    {0xBE, 0x002E},  // . (Period)
+    {0xBF, 0x002F},  // / (Slash)
+    {0xDC, 0x005C},  // \ (Backslash)
+    {0xDB, 0x005B},  // [ (Left Bracket)
+    {0xDD, 0x005D},  // ] (Right Bracket)
+    {0xBD, 0x002D},  // - (Minus)
+    {0xBB, 0x003D},  // = (Equals)
+
+    // modifier keys
+    {0x14, 0xFFE5},  // Caps Lock
+    {0xA0, 0xFFE1},  // Shift (Left)
+    {0xA1, 0xFFE2},  // Shift (Right)
+    {0xA2, 0xFFE3},  // Ctrl (Left)
+    {0xA3, 0xFFE4},  // Ctrl (Right)
+    {0xA4, 0xFFE9},  // Alt (Left)
+    {0xA5, 0xFFEA},  // Alt (Right)
+    {0x5B, 0xFFEB},  // Left Command (Windows key)
+    {0x5C, 0xFFEC},  // Right Command
+};
+
+// X11 KeySym to Windows vkCode
+// std::map<int, int> x11KeySymToVkCode = []() {
+//   std::map<int, int> result;
+//   for (const auto& pair : vkCodeToX11KeySym) {
+//     result[pair.second] = pair.first;
+//   }
+//   return result;
+// }();
+
+std::map<int, int> x11KeySymToVkCode = {
+    // A-Z
+    {0x0041, 0x41},  // A
+    {0x0042, 0x42},  // B
+    {0x0043, 0x43},  // C
+    {0x0044, 0x44},  // D
+    {0x0045, 0x45},  // E
+    {0x0046, 0x46},  // F
+    {0x0047, 0x47},  // G
+    {0x0048, 0x48},  // H
+    {0x0049, 0x49},  // I
+    {0x004A, 0x4A},  // J
+    {0x004B, 0x4B},  // K
+    {0x004C, 0x4C},  // L
+    {0x004D, 0x4D},  // M
+    {0x004E, 0x4E},  // N
+    {0x004F, 0x4F},  // O
+    {0x0050, 0x50},  // P
+    {0x0051, 0x51},  // Q
+    {0x0052, 0x52},  // R
+    {0x0053, 0x53},  // S
+    {0x0054, 0x54},  // T
+    {0x0055, 0x55},  // U
+    {0x0056, 0x56},  // V
+    {0x0057, 0x57},  // W
+    {0x0058, 0x58},  // X
+    {0x0059, 0x59},  // Y
+    {0x005A, 0x5A},  // Z
+
+    // 0-9
+    {0x0030, 0x30},  // 0
+    {0x0031, 0x31},  // 1
+    {0x0032, 0x32},  // 2
+    {0x0033, 0x33},  // 3
+    {0x0034, 0x34},  // 4
+    {0x0035, 0x35},  // 5
+    {0x0036, 0x36},  // 6
+    {0x0037, 0x37},  // 7
+    {0x0038, 0x38},  // 8
+    {0x0039, 0x39},  // 9
+
+    // F1-F12
+    {0xFFBE, 0x70},  // F1
+    {0xFFBF, 0x71},  // F2
+    {0xFFC0, 0x72},  // F3
+    {0xFFC1, 0x73},  // F4
+    {0xFFC2, 0x74},  // F5
+    {0xFFC3, 0x75},  // F6
+    {0xFFC4, 0x76},  // F7
+    {0xFFC5, 0x77},  // F8
+    {0xFFC6, 0x78},  // F9
+    {0xFFC7, 0x79},  // F10
+    {0xFFC8, 0x7A},  // F11
+    {0xFFC9, 0x7B},  // F12
+
+    // control keys
+    {0xFF1B, 0x1B},  // Escape
+    {0xFF0D, 0x0D},  // Enter
+    {0x0020, 0x20},  // Space
+    {0xFF08, 0x08},  // Backspace
+    {0xFF09, 0x09},  // Tab
+    {0xFF15, 0x2C},  // Print Screen
+    {0xFF14, 0x91},  // Scroll Lock
+    {0xFF13, 0x13},  // Pause/Break
+    {0xFF63, 0x2D},  // Insert
+    {0xFFFF, 0x2E},  // Delete
+    {0xFF50, 0x24},  // Home
+    {0xFF57, 0x23},  // End
+    {0xFF55, 0x21},  // Page Up
+    {0xFF56, 0x22},  // Page Down
+
+    // arrow keys
+    {0xFF51, 0x25},  // Left Arrow
+    {0xFF53, 0x27},  // Right Arrow
+    {0xFF52, 0x26},  // Up Arrow
+    {0xFF54, 0x28},  // Down Arrow
+
+    // numpad
+    {0x0030, 0x60},  // Numpad 0
+    {0x0031, 0x61},  // Numpad 1
+    {0x0032, 0x62},  // Numpad 2
+    {0x0033, 0x63},  // Numpad 3
+    {0x0034, 0x64},  // Numpad 4
+    {0x0035, 0x65},  // Numpad 5
+    {0x0036, 0x66},  // Numpad 6
+    {0x0037, 0x67},  // Numpad 7
+    {0x0038, 0x68},  // Numpad 8
+    {0x0039, 0x69},  // Numpad 9
+    {0x003A, 0x6E},  // Numpad .
+    {0x002F, 0x6F},  // Numpad /
+    {0x002A, 0x6A},  // Numpad *
+    {0x002D, 0x6D},  // Numpad -
+    {0x002B, 0x6B},  // Numpad +
+
+    // symbol keys
+    {0x003B, 0xBA},  // ; (Semicolon)
+    {0x0027, 0xDE},  // ' (Quote)
+    {0x007E, 0xC0},  // ` (Grave)
+    {0x002C, 0xBC},  // , (Comma)
+    {0x002E, 0xBE},  // . (Period)
+    {0x002F, 0xBF},  // / (Slash)
+    {0x005C, 0xDC},  // \ (Backslash)
+    {0x005B, 0xDB},  // [ (Left Bracket)
+    {0x005D, 0xDD},  // ] (Right Bracket)
+    {0x002D, 0xBD},  // - (Minus)
+    {0x003D, 0xBB},  // = (Equals)
+
+    // modifier keys
+    {0xFFE5, 0x14},  // Caps Lock
+    {0xFFE1, 0xA0},  // Shift (Left)
+    {0xFFE2, 0xA1},  // Shift (Right)
+    {0xFFE3, 0xA2},  // Ctrl (Left)
+    {0xFFE4, 0xA3},  // Ctrl (Right)
+    {0xFFE9, 0xA4},  // Alt (Left)
+    {0xFFEA, 0xA5},  // Alt (Right)
+    {0xFFEB, 0x5B},  // Left Command (Windows key)
+    {0xFFEC, 0x5C},  // Right Command
+};
+
+// macOS CGKeyCode to X11 KeySym
+std::map<int, int> cgKeyCodeToX11KeySym = {
+    // A-Z
+    {0x00, 0x0041},  // A
+    {0x0B, 0x0042},  // B
+    {0x08, 0x0043},  // C
+    {0x02, 0x0044},  // D
+    {0x0E, 0x0045},  // E
+    {0x03, 0x0046},  // F
+    {0x05, 0x0047},  // G
+    {0x04, 0x0048},  // H
+    {0x22, 0x0049},  // I
+    {0x26, 0x004A},  // J
+    {0x28, 0x004B},  // K
+    {0x25, 0x004C},  // L
+    {0x2E, 0x004D},  // M
+    {0x2D, 0x004E},  // N
+    {0x1F, 0x004F},  // O
+    {0x23, 0x0050},  // P
+    {0x0C, 0x0051},  // Q
+    {0x0F, 0x0052},  // R
+    {0x01, 0x0053},  // S
+    {0x11, 0x0054},  // T
+    {0x20, 0x0055},  // U
+    {0x09, 0x0056},  // V
+    {0x0D, 0x0057},  // W
+    {0x07, 0x0058},  // X
+    {0x10, 0x0059},  // Y
+    {0x06, 0x005A},  // Z
+
+    // 0-9
+    {0x1D, 0x0030},  // 0
+    {0x12, 0x0031},  // 1
+    {0x13, 0x0032},  // 2
+    {0x14, 0x0033},  // 3
+    {0x15, 0x0034},  // 4
+    {0x17, 0x0035},  // 5
+    {0x16, 0x0036},  // 6
+    {0x1A, 0x0037},  // 7
+    {0x1C, 0x0038},  // 8
+    {0x19, 0x0039},  // 9
+
+    // F1-F12
+    {0x7A, 0xFFBE},  // F1
+    {0x78, 0xFFBF},  // F2
+    {0x63, 0xFFC0},  // F3
+    {0x76, 0xFFC1},  // F4
+    {0x60, 0xFFC2},  // F5
+    {0x61, 0xFFC3},  // F6
+    {0x62, 0xFFC4},  // F7
+    {0x64, 0xFFC5},  // F8
+    {0x65, 0xFFC6},  // F9
+    {0x6D, 0xFFC7},  // F10
+    {0x67, 0xFFC8},  // F11
+    {0x6F, 0xFFC9},  // F12
+
+    // control keys
+    {0x35, 0xFF1B},  // Escape
+    {0x24, 0xFF0D},  // Enter
+    {0x31, 0x0020},  // Space
+    {0x33, 0xFF08},  // Backspace
+    {0x30, 0xFF09},  // Tab
+    {0x74, 0xFF15},  // Print Screen
+    {0x72, 0xFF63},  // Insert
+    {0x75, 0xFFFF},  // Delete
+    {0x73, 0xFF50},  // Home
+    {0x77, 0xFF57},  // End
+    {0x79, 0xFF55},  // Page Up
+    {0x7A, 0xFF56},  // Page Down
+
+    // arrow keys
+    {0x7B, 0xFF51},  // Left Arrow
+    {0x7C, 0xFF53},  // Right Arrow
+    {0x7E, 0xFF52},  // Up Arrow
+    {0x7D, 0xFF54},  // Down Arrow
+
+    // numpad
+    {0x52, 0x0030},  // Numpad 0
+    {0x53, 0x0031},  // Numpad 1
+    {0x54, 0x0032},  // Numpad 2
+    {0x55, 0x0033},  // Numpad 3
+    {0x56, 0x0034},  // Numpad 4
+    {0x57, 0x0035},  // Numpad 5
+    {0x58, 0x0036},  // Numpad 6
+    {0x59, 0x0037},  // Numpad 7
+    {0x5B, 0x0038},  // Numpad 8
+    {0x5C, 0x0039},  // Numpad 9
+    {0x41, 0x003A},  // Numpad .
+    {0x4B, 0x002F},  // Numpad /
+    {0x43, 0x002A},  // Numpad *
+    {0x4E, 0x002D},  // Numpad -
+    {0x45, 0x002B},  // Numpad +
+
+    // symbol keys
+    {0x29, 0x003B},  // ; (Semicolon)
+    {0x27, 0x0027},  // ' (Quote)
+    {0x32, 0x007E},  // ` (Backtick)
+    {0x2B, 0x002C},  // , (Comma)
+    {0x2F, 0x002E},  // . (Period)
+    {0x2C, 0x002F},  // / (Slash)
+    {0x2A, 0x005C},  // \ (Backslash)
+    {0x21, 0x005B},  // [ (Left Bracket)
+    {0x1E, 0x005D},  // ] (Right Bracket)
+    {0x1B, 0x002D},  // - (Minus)
+    {0x18, 0x003D},  // = (Equals)
+
+    // modifier keys
+    {0x39, 0xFFE5},  // Caps Lock
+    {0x38, 0xFFE1},  // Shift (Left)
+    {0x3C, 0xFFE2},  // Shift (Right)
+    {0x3B, 0xFFE3},  // Control (Left)
+    {0x3E, 0xFFE4},  // Control (Right)
+    {0x3A, 0xFFE9},  // Alt (Left)
+    {0x3D, 0xFFEA},  // Alt (Right)
+    {0x37, 0xFFEB},  // Left Command (Windows key)
+    {0x36, 0xFFEC},  // Right Command
+};
+
+// X11 KeySym to macOS CGKeyCode
+// std::map<int, int> x11KeySymToCgKeyCode = []() {
+//   std::map<int, int> result;
+//   for (const auto& pair : cgKeyCodeToX11KeySym) {
+//     result[pair.second] = pair.first;
+//   }
+//   return result;
+// }();
+
+std::map<int, int> x11KeySymToCgKeyCode = {
+    // A-Z
+    {0x0041, 0x00},  // A
+    {0x0042, 0x0B},  // B
+    {0x0043, 0x08},  // C
+    {0x0044, 0x02},  // D
+    {0x0045, 0x0E},  // E
+    {0x0046, 0x03},  // F
+    {0x0047, 0x05},  // G
+    {0x0048, 0x04},  // H
+    {0x0049, 0x22},  // I
+    {0x004A, 0x26},  // J
+    {0x004B, 0x28},  // K
+    {0x004C, 0x25},  // L
+    {0x004D, 0x2E},  // M
+    {0x004E, 0x2D},  // N
+    {0x004F, 0x1F},  // O
+    {0x0050, 0x23},  // P
+    {0x0051, 0x0C},  // Q
+    {0x0052, 0x0F},  // R
+    {0x0053, 0x01},  // S
+    {0x0054, 0x11},  // T
+    {0x0055, 0x20},  // U
+    {0x0056, 0x09},  // V
+    {0x0057, 0x0D},  // W
+    {0x0058, 0x07},  // X
+    {0x0059, 0x10},  // Y
+    {0x005A, 0x06},  // Z
+
+    // 0-9
+    {0x0030, 0x1D},  // 0
+    {0x0031, 0x12},  // 1
+    {0x0032, 0x13},  // 2
+    {0x0033, 0x14},  // 3
+    {0x0034, 0x15},  // 4
+    {0x0035, 0x17},  // 5
+    {0x0036, 0x16},  // 6
+    {0x0037, 0x1A},  // 7
+    {0x0038, 0x1C},  // 8
+    {0x0039, 0x19},  // 9
+
+    // F1-F12
+    {0xFFBE, 0x7A},  // F1
+    {0xFFBF, 0x78},  // F2
+    {0xFFC0, 0x63},  // F3
+    {0xFFC1, 0x76},  // F4
+    {0xFFC2, 0x60},  // F5
+    {0xFFC3, 0x61},  // F6
+    {0xFFC4, 0x62},  // F7
+    {0xFFC5, 0x64},  // F8
+    {0xFFC6, 0x65},  // F9
+    {0xFFC7, 0x6D},  // F10
+    {0xFFC8, 0x67},  // F11
+    {0xFFC9, 0x6F},  // F12
+
+    // control keys
+    {0xFF1B, 0x35},  // Escape
+    {0xFF0D, 0x24},  // Enter
+    {0x0020, 0x31},  // Space
+    {0xFF08, 0x33},  // Backspace
+    {0xFF09, 0x30},  // Tab
+    {0xFF15, 0x74},  // Print Screen
+    {0xFF63, 0x72},  // Insert
+    {0xFFFF, 0x75},  // Delete
+    {0xFF50, 0x73},  // Home
+    {0xFF57, 0x77},  // End
+    {0xFF55, 0x79},  // Page Up
+    {0xFF56, 0x7A},  // Page Down
+
+    // arrow keys
+    {0xFF51, 0x7B},  // Left Arrow
+    {0xFF53, 0x7C},  // Right Arrow
+    {0xFF52, 0x7E},  // Up Arrow
+    {0xFF54, 0x7D},  // Down Arrow
+
+    // numpad
+    {0x0030, 0x52},  // Numpad 0
+    {0x0031, 0x53},  // Numpad 1
+    {0x0032, 0x54},  // Numpad 2
+    {0x0033, 0x55},  // Numpad 3
+    {0x0034, 0x56},  // Numpad 4
+    {0x0035, 0x57},  // Numpad 5
+    {0x0036, 0x58},  // Numpad 6
+    {0x0037, 0x59},  // Numpad 7
+    {0x0038, 0x5B},  // Numpad 8
+    {0x0039, 0x5C},  // Numpad 9
+    {0x003A, 0x41},  // Numpad .
+    {0x002F, 0x4B},  // Numpad /
+    {0x002A, 0x43},  // Numpad *
+    {0x002D, 0x4E},  // Numpad -
+    {0x002B, 0x45},  // Numpad +
+
+    // symbol keys
+    {0x003B, 0x29},  // ; (Semicolon)
+    {0x0027, 0x27},  // ' (Quote)
+    {0x007E, 0x32},  // ` (Backtick)
+    {0x002C, 0x2B},  // , (Comma)
+    {0x002E, 0x2F},  // . (Period)
+    {0x002F, 0x2C},  // / (Slash)
+    {0x005C, 0x2A},  // \ (Backslash)
+    {0x005B, 0x21},  // [ (Left Bracket)
+    {0x005D, 0x1E},  // ] (Right Bracket)
+    {0x002D, 0x1B},  // - (Minus)
+    {0x003D, 0x18},  // = (Equals)
+
+    // modifier keys
+    {0xFFE5, 0x39},  // Caps Lock
+    {0xFFE1, 0x38},  // Shift (Left)
+    {0xFFE2, 0x3C},  // Shift (Right)
+    {0xFFE3, 0x3B},  // Control (Left)
+    {0xFFE4, 0x3E},  // Control (Right)
+    {0xFFE9, 0x3A},  // Alt (Left)
+    {0xFFEA, 0x3D},  // Alt (Right)
+    {0xFFEB, 0x37},  // Left Command
+    {0xFFEC, 0x36},  // Right Command
+};
+}  // namespace crossdesk
+#endif

src/device_controller/macos_keycode.h

@@ -0,0 +1,861 @@
+/*
+     File:       HIToolbox/Events.h
+
+     Contains:   Event Manager Interfaces.
+
+     Copyright:  锟<> 1985-2008 by Apple Computer, Inc., all rights reserved
+
+     Bugs?:      For bug reports, consult the following page on
+                 the World Wide Web:
+
+                     http://developer.apple.com/bugreporter/
+
+*/
+#ifndef __EVENTS__
+#define __EVENTS__
+
+#ifndef __APPLICATIONSERVICES__
+#include <ApplicationServices/ApplicationServices.h>
+#endif
+
+#include <AvailabilityMacros.h>
+
+#if PRAGMA_ONCE
+#pragma once
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#pragma pack(push, 2)
+
+typedef UInt16 EventKind;
+typedef UInt16 EventMask;
+enum {
+  nullEvent = 0,
+  mouseDown = 1,
+  mouseUp = 2,
+  keyDown = 3,
+  keyUp = 4,
+  autoKey = 5,
+  updateEvt = 6,
+  diskEvt = 7, /* Not sent in Carbon. See kEventClassVolume in CarbonEvents.h*/
+  activateEvt = 8,
+  osEvt = 15,
+  kHighLevelEvent = 23
+};
+
+enum {
+  mDownMask = 1 << mouseDown,   /* mouse button pressed*/
+  mUpMask = 1 << mouseUp,       /* mouse button released*/
+  keyDownMask = 1 << keyDown,   /* key pressed*/
+  keyUpMask = 1 << keyUp,       /* key released*/
+  autoKeyMask = 1 << autoKey,   /* key repeatedly held down*/
+  updateMask = 1 << updateEvt,  /* window needs updating*/
+  diskMask = 1 << diskEvt,      /* disk inserted*/
+  activMask = 1 << activateEvt, /* activate/deactivate window*/
+  highLevelEventMask = 0x0400,  /* high-level events (includes AppleEvents)*/
+  osMask = 1 << osEvt,          /* operating system events (suspend, resume)*/
+  everyEvent = 0xFFFF           /* all of the above*/
+};
+
+enum {
+  charCodeMask = 0x000000FF,
+  keyCodeMask = 0x0000FF00,
+  adbAddrMask = 0x00FF0000,
+  osEvtMessageMask = (UInt32)0xFF000000
+};
+
+enum {
+  /* OS event messages.  Event (sub)code is in the high byte of the message
+     field.*/
+  mouseMovedMessage = 0x00FA,
+  suspendResumeMessage = 0x0001
+};
+
+enum {
+  resumeFlag = 1 /* Bit 0 of message indicates resume vs suspend*/
+};
+
+#if CALL_NOT_IN_CARBON
+/*  convertClipboardFlag is not ever set under Carbon. This is because scrap
+ * conversion is  */
+/*  not tied to suspend/resume events any longer. Your application should
+ * instead use the   */
+/*  scrap promise mechanism and fulfill scrap requests only when your promise
+ * keeper proc   */
+/*  is called. If you need to know if the scrap has changed, you can cache the
+ * last         */
+/*  ScrapRef you received and compare it with the current ScrapRef */
+enum {
+  convertClipboardFlag =
+      2 /* Bit 1 in resume message indicates clipboard change*/
+};
+
+#endif /* CALL_NOT_IN_CARBON */
+
+/*
+    CARBON ALERT! BATTLESTATIONS!
+
+    The EventModifiers bits defined here are also used in the newer Carbon Event
+    key modifiers parameters. There are two main differences:
+
+    1)  The Carbon key modifiers parameter is a UInt32, not a UInt16. Never try
+   to extract the key modifiers parameter from a Carbon Event into an
+   EventModifiers type. You will probably get your stack trashed. 2)  The Carbon
+   key modifiers is just that: key modifiers. That parameter will never contain
+   the button state bit.
+*/
+typedef UInt16 EventModifiers;
+enum {
+  /* modifiers */
+  activeFlagBit = 0,      /* activate? (activateEvt and mouseDown)*/
+  btnStateBit = 7,        /* state of button?*/
+  cmdKeyBit = 8,          /* command key down?*/
+  shiftKeyBit = 9,        /* shift key down?*/
+  alphaLockBit = 10,      /* alpha lock down?*/
+  optionKeyBit = 11,      /* option key down?*/
+  controlKeyBit = 12,     /* control key down?*/
+  rightShiftKeyBit = 13,  /* right shift key down? Not supported on Mac OS X.*/
+  rightOptionKeyBit = 14, /* right Option key down? Not supported on Mac OS X.*/
+  rightControlKeyBit =
+      15 /* right Control key down? Not supported on Mac OS X.*/
+};
+
+enum {
+  activeFlag = 1 << activeFlagBit,
+  btnState = 1 << btnStateBit,
+  cmdKey = 1 << cmdKeyBit,
+  shiftKey = 1 << shiftKeyBit,
+  alphaLock = 1 << alphaLockBit,
+  optionKey = 1 << optionKeyBit,
+  controlKey = 1 << controlKeyBit,
+  rightShiftKey = 1 << rightShiftKeyBit,    /* Not supported on Mac OS X.*/
+  rightOptionKey = 1 << rightOptionKeyBit,  /* Not supported on Mac OS X.*/
+  rightControlKey = 1 << rightControlKeyBit /* Not supported on Mac OS X.*/
+};
+
+/* MacRoman character codes*/
+enum {
+  kNullCharCode = 0,
+  kHomeCharCode = 1,
+  kEnterCharCode = 3,
+  kEndCharCode = 4,
+  kHelpCharCode = 5,
+  kBellCharCode = 7,
+  kBackspaceCharCode = 8,
+  kTabCharCode = 9,
+  kLineFeedCharCode = 10,
+  kVerticalTabCharCode = 11,
+  kPageUpCharCode = 11,
+  kFormFeedCharCode = 12,
+  kPageDownCharCode = 12,
+  kReturnCharCode = 13,
+  kFunctionKeyCharCode = 16,
+  kCommandCharCode = 17,   /* glyph available only in system fonts*/
+  kCheckCharCode = 18,     /* glyph available only in system fonts*/
+  kDiamondCharCode = 19,   /* glyph available only in system fonts*/
+  kAppleLogoCharCode = 20, /* glyph available only in system fonts*/
+  kEscapeCharCode = 27,
+  kClearCharCode = 27,
+  kLeftArrowCharCode = 28,
+  kRightArrowCharCode = 29,
+  kUpArrowCharCode = 30,
+  kDownArrowCharCode = 31,
+  kSpaceCharCode = 32,
+  kDeleteCharCode = 127,
+  kBulletCharCode = 165,
+  kNonBreakingSpaceCharCode = 202
+};
+
+/* useful Unicode code points*/
+enum {
+  kShiftUnicode = 0x21E7,   /* Unicode UPWARDS WHITE ARROW*/
+  kControlUnicode = 0x2303, /* Unicode UP ARROWHEAD*/
+  kOptionUnicode = 0x2325,  /* Unicode OPTION KEY*/
+  kCommandUnicode = 0x2318, /* Unicode PLACE OF INTEREST SIGN*/
+  kPencilUnicode = 0x270E,  /* Unicode LOWER RIGHT PENCIL; actually pointed left
+                               until Mac OS X 10.3*/
+  kPencilLeftUnicode = 0xF802, /* Unicode LOWER LEFT PENCIL; available in Mac OS
+                                  X 10.3 and later*/
+  kCheckUnicode = 0x2713,      /* Unicode CHECK MARK*/
+  kDiamondUnicode = 0x25C6,    /* Unicode BLACK DIAMOND*/
+  kBulletUnicode = 0x2022,     /* Unicode BULLET*/
+  kAppleLogoUnicode = 0xF8FF   /* Unicode APPLE LOGO*/
+};
+
+/*
+ *  Summary:
+ *    Virtual keycodes
+ *
+ *  Discussion:
+ *    These constants are the virtual keycodes defined originally in
+ *    Inside Mac Volume V, pg. V-191. They identify physical keys on a
+ *    keyboard. Those constants with "ANSI" in the name are labeled
+ *    according to the key position on an ANSI-standard US keyboard.
+ *    For example, kVK_ANSI_A indicates the virtual keycode for the key
+ *    with the letter 'A' in the US keyboard layout. Other keyboard
+ *    layouts may have the 'A' key label on a different physical key;
+ *    in this case, pressing 'A' will generate a different virtual
+ *    keycode.
+ */
+enum {
+  kVK_ANSI_A = 0x00,
+  kVK_ANSI_S = 0x01,
+  kVK_ANSI_D = 0x02,
+  kVK_ANSI_F = 0x03,
+  kVK_ANSI_H = 0x04,
+  kVK_ANSI_G = 0x05,
+  kVK_ANSI_Z = 0x06,
+  kVK_ANSI_X = 0x07,
+  kVK_ANSI_C = 0x08,
+  kVK_ANSI_V = 0x09,
+  kVK_ANSI_B = 0x0B,
+  kVK_ANSI_Q = 0x0C,
+  kVK_ANSI_W = 0x0D,
+  kVK_ANSI_E = 0x0E,
+  kVK_ANSI_R = 0x0F,
+  kVK_ANSI_Y = 0x10,
+  kVK_ANSI_T = 0x11,
+  kVK_ANSI_1 = 0x12,
+  kVK_ANSI_2 = 0x13,
+  kVK_ANSI_3 = 0x14,
+  kVK_ANSI_4 = 0x15,
+  kVK_ANSI_6 = 0x16,
+  kVK_ANSI_5 = 0x17,
+  kVK_ANSI_Equal = 0x18,
+  kVK_ANSI_9 = 0x19,
+  kVK_ANSI_7 = 0x1A,
+  kVK_ANSI_Minus = 0x1B,
+  kVK_ANSI_8 = 0x1C,
+  kVK_ANSI_0 = 0x1D,
+  kVK_ANSI_RightBracket = 0x1E,
+  kVK_ANSI_O = 0x1F,
+  kVK_ANSI_U = 0x20,
+  kVK_ANSI_LeftBracket = 0x21,
+  kVK_ANSI_I = 0x22,
+  kVK_ANSI_P = 0x23,
+  kVK_ANSI_L = 0x25,
+  kVK_ANSI_J = 0x26,
+  kVK_ANSI_Quote = 0x27,
+  kVK_ANSI_K = 0x28,
+  kVK_ANSI_Semicolon = 0x29,
+  kVK_ANSI_Backslash = 0x2A,
+  kVK_ANSI_Comma = 0x2B,
+  kVK_ANSI_Slash = 0x2C,
+  kVK_ANSI_N = 0x2D,
+  kVK_ANSI_M = 0x2E,
+  kVK_ANSI_Period = 0x2F,
+  kVK_ANSI_Grave = 0x32,
+  kVK_ANSI_KeypadDecimal = 0x41,
+  kVK_ANSI_KeypadMultiply = 0x43,
+  kVK_ANSI_KeypadPlus = 0x45,
+  kVK_ANSI_KeypadClear = 0x47,
+  kVK_ANSI_KeypadDivide = 0x4B,
+  kVK_ANSI_KeypadEnter = 0x4C,
+  kVK_ANSI_KeypadMinus = 0x4E,
+  kVK_ANSI_KeypadEquals = 0x51,
+  kVK_ANSI_Keypad0 = 0x52,
+  kVK_ANSI_Keypad1 = 0x53,
+  kVK_ANSI_Keypad2 = 0x54,
+  kVK_ANSI_Keypad3 = 0x55,
+  kVK_ANSI_Keypad4 = 0x56,
+  kVK_ANSI_Keypad5 = 0x57,
+  kVK_ANSI_Keypad6 = 0x58,
+  kVK_ANSI_Keypad7 = 0x59,
+  kVK_ANSI_Keypad8 = 0x5B,
+  kVK_ANSI_Keypad9 = 0x5C
+};
+
+/* keycodes for keys that are independent of keyboard layout*/
+enum {
+  kVK_Return = 0x24,
+  kVK_Tab = 0x30,
+  kVK_Space = 0x31,
+  kVK_Delete = 0x33,
+  kVK_Escape = 0x35,
+  kVK_Command = 0x37,
+  kVK_Shift = 0x38,
+  kVK_CapsLock = 0x39,
+  kVK_Option = 0x3A,
+  kVK_Control = 0x3B,
+  kVK_RightCommand = 0x36,
+  kVK_RightShift = 0x3C,
+  kVK_RightOption = 0x3D,
+  kVK_RightControl = 0x3E,
+  kVK_Function = 0x3F,
+  kVK_F17 = 0x40,
+  kVK_VolumeUp = 0x48,
+  kVK_VolumeDown = 0x49,
+  kVK_Mute = 0x4A,
+  kVK_F18 = 0x4F,
+  kVK_F19 = 0x50,
+  kVK_F20 = 0x5A,
+  kVK_F5 = 0x60,
+  kVK_F6 = 0x61,
+  kVK_F7 = 0x62,
+  kVK_F3 = 0x63,
+  kVK_F8 = 0x64,
+  kVK_F9 = 0x65,
+  kVK_F11 = 0x67,
+  kVK_F13 = 0x69,
+  kVK_F16 = 0x6A,
+  kVK_F14 = 0x6B,
+  kVK_F10 = 0x6D,
+  kVK_ContextualMenu = 0x6E,
+  kVK_F12 = 0x6F,
+  kVK_F15 = 0x71,
+  kVK_Help = 0x72,
+  kVK_Home = 0x73,
+  kVK_PageUp = 0x74,
+  kVK_ForwardDelete = 0x75,
+  kVK_F4 = 0x76,
+  kVK_End = 0x77,
+  kVK_F2 = 0x78,
+  kVK_PageDown = 0x79,
+  kVK_F1 = 0x7A,
+  kVK_LeftArrow = 0x7B,
+  kVK_RightArrow = 0x7C,
+  kVK_DownArrow = 0x7D,
+  kVK_UpArrow = 0x7E
+};
+
+/* ISO keyboards only*/
+enum { kVK_ISO_Section = 0x0A };
+
+/* JIS keyboards only*/
+enum {
+  kVK_JIS_Yen = 0x5D,
+  kVK_JIS_Underscore = 0x5E,
+  kVK_JIS_KeypadComma = 0x5F,
+  kVK_JIS_Eisu = 0x66,
+  kVK_JIS_Kana = 0x68
+};
+
+struct EventRecord {
+  EventKind what;
+  unsigned long message;
+  UInt32 when;
+  Point where;
+  EventModifiers modifiers;
+};
+typedef struct EventRecord EventRecord;
+typedef CALLBACK_API(void, FKEYProcPtr)(void);
+typedef STACK_UPP_TYPE(FKEYProcPtr) FKEYUPP;
+/*
+ *  NewFKEYUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+/*
+ *  DisposeFKEYUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+/*
+ *  InvokeFKEYUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+#if !__LP64__
+/*
+ *  GetMouse()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use HIGetMousePosition instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.5 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern void GetMouse(Point *mouseLoc)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_5;
+
+#endif /* !__LP64__ */
+
+/*
+ *  Button()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use GetCurrentButtonState or GetCurrentEventButtonState instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework but
+ * deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later Non-Carbon
+ * CFM:   in InterfaceLib 7.1 and later
+ */
+extern Boolean Button(void)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+#if !__LP64__
+/*
+ *  StillDown()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern Boolean StillDown(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+/*
+ *  WaitMouseUp()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern Boolean WaitMouseUp(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+/*
+ *  KeyTranslate()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use UCKeyTranslate instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern UInt32 KeyTranslate(const void *transData, UInt16 keycode, UInt32 *state)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+/*
+ *  GetCaretTime()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern UInt32 GetCaretTime(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#endif /* !__LP64__ */
+
+/*
+    QuickTime 3.0 supports GetKeys() on unix and win32
+    But, on little endian machines you will have to be
+    careful about bit numberings and/or use a KeyMapByteArray
+    instead.
+*/
+#if TARGET_API_MAC_OS8
+
+typedef UInt32 KeyMap[4];
+#else
+typedef BigEndianUInt32 KeyMap[4];
+#endif /* TARGET_API_MAC_OS8 */
+
+typedef UInt8 KeyMapByteArray[16];
+/*
+ *  GetKeys()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework
+ *    CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern void GetKeys(KeyMap theKeys) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+/* Obsolete event types & masks */
+enum {
+  networkEvt = 10,
+  driverEvt = 11,
+  app1Evt = 12,
+  app2Evt = 13,
+  app3Evt = 14,
+  app4Evt = 15,
+  networkMask = 0x0400,
+  driverMask = 0x0800,
+  app1Mask = 0x1000,
+  app2Mask = 0x2000,
+  app3Mask = 0x4000,
+  app4Mask = 0x8000
+};
+
+struct EvQEl {
+  QElemPtr qLink;
+  SInt16 qType;
+  EventKind
+      evtQWhat; /* this part is identical to the EventRecord as defined above */
+  unsigned long evtQMessage;
+  UInt32 evtQWhen;
+  Point evtQWhere;
+  EventModifiers evtQModifiers;
+};
+typedef struct EvQEl EvQEl;
+typedef EvQEl *EvQElPtr;
+typedef CALLBACK_API(void, GetNextEventFilterProcPtr)(EventRecord *theEvent,
+                                                      Boolean *result);
+typedef STACK_UPP_TYPE(GetNextEventFilterProcPtr) GetNextEventFilterUPP;
+/*
+ *  NewGetNextEventFilterUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+/*
+ *  DisposeGetNextEventFilterUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+/*
+ *  InvokeGetNextEventFilterUPP()
+ *
+ *  Availability:
+ *    Mac OS X:         not available
+ *    CarbonLib:        not available
+ *    Non-Carbon CFM:   available as macro/inline
+ */
+
+typedef GetNextEventFilterUPP GNEFilterUPP;
+#if !__LP64__
+/*
+ *  GetDblTime()
+ *
+ *  Summary:
+ *    Returns the maximum time (in units of 1/60th of a second) allowed
+ *    between two consecutive mouse-down events in order for the second
+ *    click to be considered a double-click.
+ *
+ *  Discussion:
+ *    In 64-bit applications, you may replace calls to this API with
+ *    calls to NXClickTime (declared in
+ *    <IOKit/hidsystem/event_status_driver.h>) or with +[NSEvent
+ *    doubleClickInterval] (available in Mac OS X 10.6 and later).
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Result:
+ *    The maximum time between mouse-downs allowed for a double-click.
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern UInt32 GetDblTime(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+/*
+ *  SetEventMask()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern void SetEventMask(EventMask value)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+/*
+ *  GetNextEvent()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use ReceiveNextEvent instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern Boolean GetNextEvent(EventMask eventMask, EventRecord *theEvent)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+/*
+ *  WaitNextEvent()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use ReceiveNextEvent instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern Boolean WaitNextEvent(EventMask eventMask, EventRecord *theEvent,
+                             UInt32 sleep, RgnHandle mouseRgn) /* can be NULL */
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+/*
+ *  EventAvail()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use FindSpecificEventInQueue instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern Boolean EventAvail(EventMask eventMask, EventRecord *theEvent)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+/*
+ *  PostEvent()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use PostEventToQueue or CGEventPost instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern OSErr PostEvent(EventKind eventNum, UInt32 eventMsg)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+#endif /* !__LP64__ */
+
+/*
+ *  FlushEvents()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use FlushEventsMatchingListFromQueue,
+ *    FlushSpecificEventsFromQueue, or FlushEventQueue instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework but
+ * deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later Non-Carbon
+ * CFM:   in InterfaceLib 7.1 and later
+ */
+extern void FlushEvents(EventMask whichMask, EventMask stopMask)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+#if OLDROUTINENAMES
+#define KeyTrans(transData, keycode, state) \
+  KeyTranslate(transData, keycode, state)
+#endif /* OLDROUTINENAMES */
+
+#if !__LP64__
+/*
+ *  KeyScript()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use TISSelectInputSource API for positive verbs (ScriptCode).
+ *     Use TSMDocument properties to restrict input sources:
+ *     kTSMDocumentEnabledInputSourcesPropertyTag
+ *     kTSMDocumentInputSourceOverridePropertyTag
+ *
+ *  Summary:
+ *    Switch to the specified script's default (last used) input source.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] but deprecated in 10.5 CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern void KeyScript(short code)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_5;
+
+#endif /* !__LP64__ */
+
+/*
+ *  IsCmdChar()   *** DEPRECATED ***
+ *
+ *  Deprecated:
+ *    Use IsUserCancelEventRef or CheckEventQueueForUserCancel instead.
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework but
+ * deprecated in 10.6 CarbonLib:        in CarbonLib 1.0 and later Non-Carbon
+ * CFM:   in InterfaceLib 7.1 and later
+ */
+extern Boolean IsCmdChar(const EventRecord *event, short test)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER_BUT_DEPRECATED_IN_MAC_OS_X_VERSION_10_6;
+
+/*
+    LowMem accessor functions previously in LowMem.h
+*/
+/*
+ *  LMGetKeyThresh()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework
+ *    CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern SInt16 LMGetKeyThresh(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#if !__LP64__
+/*
+ *  LMSetKeyThresh()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern void LMSetKeyThresh(SInt16 value)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#endif /* !__LP64__ */
+
+/*
+ *  LMGetKeyRepThresh()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework
+ *    CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern SInt16 LMGetKeyRepThresh(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#if !__LP64__
+/*
+ *  LMSetKeyRepThresh()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern void LMSetKeyRepThresh(SInt16 value)
+    AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#endif /* !__LP64__ */
+
+/*
+ *  LMGetKbdLast()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework
+ *    CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern UInt8 LMGetKbdLast(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#if !__LP64__
+/*
+ *  LMSetKbdLast()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern void LMSetKbdLast(UInt8 value) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#endif /* !__LP64__ */
+
+/*
+ *  LMGetKbdType()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework
+ *    CarbonLib:        in CarbonLib 1.0 and later
+ *    Non-Carbon CFM:   in InterfaceLib 7.1 and later
+ */
+extern UInt8 LMGetKbdType(void) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#if !__LP64__
+/*
+ *  LMSetKbdType()
+ *
+ *  Mac OS X threading:
+ *    Not thread safe
+ *
+ *  Availability:
+ *    Mac OS X:         in version 10.0 and later in Carbon.framework [32-bit
+ * only] CarbonLib:        in CarbonLib 1.0 and later Non-Carbon CFM:   in
+ * InterfaceLib 7.1 and later
+ */
+extern void LMSetKbdType(UInt8 value) AVAILABLE_MAC_OS_X_VERSION_10_0_AND_LATER;
+
+#endif /* !__LP64__ */
+
+#pragma pack(pop)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __EVENTS__ */

src/device_controller/mouse/linux/mouse_controller.cpp

@@ -0,0 +1,127 @@
+#include "mouse_controller.h"
+
+#include <X11/extensions/XTest.h>
+
+#include "rd_log.h"
+
+namespace crossdesk {
+
+MouseController::MouseController() {}
+
+MouseController::~MouseController() { Destroy(); }
+
+int MouseController::Init(std::vector<DisplayInfo> display_info_list) {
+  display_info_list_ = display_info_list;
+  display_ = XOpenDisplay(NULL);
+  if (!display_) {
+    LOG_ERROR("Cannot connect to X server");
+    return -1;
+  }
+
+  root_ = DefaultRootWindow(display_);
+
+  int event_base, error_base, major_version, minor_version;
+  if (!XTestQueryExtension(display_, &event_base, &error_base, &major_version,
+                           &minor_version)) {
+    LOG_ERROR("XTest extension not available");
+    XCloseDisplay(display_);
+    return -2;
+  }
+
+  return 0;
+}
+
+int MouseController::Destroy() {
+  if (display_) {
+    XCloseDisplay(display_);
+    display_ = nullptr;
+  }
+  return 0;
+}
+
+int MouseController::SendMouseCommand(RemoteAction remote_action,
+                                      int display_index) {
+  switch (remote_action.type) {
+    case mouse:
+      switch (remote_action.m.flag) {
+        case MouseFlag::move:
+          SetMousePosition(
+              static_cast<int>(remote_action.m.x *
+                                   display_info_list_[display_index].width +
+                               display_info_list_[display_index].left),
+              static_cast<int>(remote_action.m.y *
+                                   display_info_list_[display_index].height +
+                               display_info_list_[display_index].top));
+          break;
+        case MouseFlag::left_down:
+          XTestFakeButtonEvent(display_, 1, True, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::left_up:
+          XTestFakeButtonEvent(display_, 1, False, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::right_down:
+          XTestFakeButtonEvent(display_, 3, True, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::right_up:
+          XTestFakeButtonEvent(display_, 3, False, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::middle_down:
+          XTestFakeButtonEvent(display_, 2, True, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::middle_up:
+          XTestFakeButtonEvent(display_, 2, False, CurrentTime);
+          XFlush(display_);
+          break;
+        case MouseFlag::wheel_vertical: {
+          if (remote_action.m.s > 0) {
+            SimulateMouseWheel(4, remote_action.m.s);
+          } else if (remote_action.m.s < 0) {
+            SimulateMouseWheel(5, -remote_action.m.s);
+          }
+          break;
+        }
+        case MouseFlag::wheel_horizontal: {
+          if (remote_action.m.s > 0) {
+            SimulateMouseWheel(6, remote_action.m.s);
+          } else if (remote_action.m.s < 0) {
+            SimulateMouseWheel(7, -remote_action.m.s);
+          }
+          break;
+        }
+      }
+      break;
+    default:
+      break;
+  }
+
+  return 0;
+}
+
+void MouseController::SetMousePosition(int x, int y) {
+  XWarpPointer(display_, None, root_, 0, 0, 0, 0, x, y);
+  XFlush(display_);
+}
+
+void MouseController::SimulateKeyDown(int kval) {
+  XTestFakeKeyEvent(display_, kval, True, CurrentTime);
+  XFlush(display_);
+}
+
+void MouseController::SimulateKeyUp(int kval) {
+  XTestFakeKeyEvent(display_, kval, False, CurrentTime);
+  XFlush(display_);
+}
+
+void MouseController::SimulateMouseWheel(int direction_button, int count) {
+  for (int i = 0; i < count; ++i) {
+    XTestFakeButtonEvent(display_, direction_button, True, CurrentTime);
+    XTestFakeButtonEvent(display_, direction_button, False, CurrentTime);
+  }
+  XFlush(display_);
+}
+}  // namespace crossdesk

src/device_controller/mouse/linux/mouse_controller.h

@@ -0,0 +1,43 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-05-07
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _MOUSE_CONTROLLER_H_
+#define _MOUSE_CONTROLLER_H_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <unistd.h>
+
+#include <vector>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class MouseController : public DeviceController {
+ public:
+  MouseController();
+  virtual ~MouseController();
+
+ public:
+  virtual int Init(std::vector<DisplayInfo> display_info_list);
+  virtual int Destroy();
+  virtual int SendMouseCommand(RemoteAction remote_action, int display_index);
+
+ private:
+  void SimulateKeyDown(int kval);
+  void SimulateKeyUp(int kval);
+  void SetMousePosition(int x, int y);
+  void SimulateMouseWheel(int direction_button, int count);
+
+  Display* display_ = nullptr;
+  Window root_ = 0;
+  std::vector<DisplayInfo> display_info_list_;
+  int screen_width_ = 0;
+  int screen_height_ = 0;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/mouse/mac/mouse_controller.cpp

@@ -0,0 +1,104 @@
+#include "mouse_controller.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+
+#include "rd_log.h"
+
+namespace crossdesk {
+
+MouseController::MouseController() {}
+
+MouseController::~MouseController() {}
+
+int MouseController::Init(std::vector<DisplayInfo> display_info_list) {
+  display_info_list_ = display_info_list;
+
+  return 0;
+}
+
+int MouseController::Destroy() { return 0; }
+
+int MouseController::SendMouseCommand(RemoteAction remote_action,
+                                      int display_index) {
+  int mouse_pos_x =
+      remote_action.m.x * display_info_list_[display_index].width +
+      display_info_list_[display_index].left;
+  int mouse_pos_y =
+      remote_action.m.y * display_info_list_[display_index].height +
+      display_info_list_[display_index].top;
+
+  if (remote_action.type == ControlType::mouse) {
+    CGEventRef mouse_event = nullptr;
+    CGEventType mouse_type;
+    CGMouseButton mouse_button;
+    CGPoint mouse_point = CGPointMake(mouse_pos_x, mouse_pos_y);
+
+    switch (remote_action.m.flag) {
+      case MouseFlag::left_down:
+        mouse_type = kCGEventLeftMouseDown;
+        left_dragging_ = true;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonLeft);
+        break;
+      case MouseFlag::left_up:
+        mouse_type = kCGEventLeftMouseUp;
+        left_dragging_ = false;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonLeft);
+        break;
+      case MouseFlag::right_down:
+        mouse_type = kCGEventRightMouseDown;
+        right_dragging_ = true;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonRight);
+        break;
+      case MouseFlag::right_up:
+        mouse_type = kCGEventRightMouseUp;
+        right_dragging_ = false;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonRight);
+        break;
+      case MouseFlag::middle_down:
+        mouse_type = kCGEventOtherMouseDown;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonCenter);
+        break;
+      case MouseFlag::middle_up:
+        mouse_type = kCGEventOtherMouseUp;
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              kCGMouseButtonCenter);
+        break;
+      case MouseFlag::wheel_vertical:
+        mouse_event = CGEventCreateScrollWheelEvent(
+            NULL, kCGScrollEventUnitLine, 2, remote_action.m.s, 0);
+        break;
+      case MouseFlag::wheel_horizontal:
+        mouse_event = CGEventCreateScrollWheelEvent(
+            NULL, kCGScrollEventUnitLine, 2, 0, remote_action.m.s);
+        break;
+      default:
+        if (left_dragging_) {
+          mouse_type = kCGEventLeftMouseDragged;
+          mouse_button = kCGMouseButtonLeft;
+        } else if (right_dragging_) {
+          mouse_type = kCGEventRightMouseDragged;
+          mouse_button = kCGMouseButtonRight;
+        } else {
+          mouse_type = kCGEventMouseMoved;
+          mouse_button = kCGMouseButtonLeft;
+        }
+
+        mouse_event = CGEventCreateMouseEvent(NULL, mouse_type, mouse_point,
+                                              mouse_button);
+        break;
+    }
+
+    if (mouse_event) {
+      CGEventPost(kCGHIDEventTap, mouse_event);
+      CFRelease(mouse_event);
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/device_controller/mouse/mac/mouse_controller.h

@@ -0,0 +1,32 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-14
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _MOUSE_CONTROLLER_H_
+#define _MOUSE_CONTROLLER_H_
+
+#include <vector>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class MouseController : public DeviceController {
+ public:
+  MouseController();
+  virtual ~MouseController();
+
+ public:
+  virtual int Init(std::vector<DisplayInfo> display_info_list);
+  virtual int Destroy();
+  virtual int SendMouseCommand(RemoteAction remote_action, int display_index);
+
+ private:
+  std::vector<DisplayInfo> display_info_list_;
+  bool left_dragging_ = false;
+  bool right_dragging_ = false;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/mouse/windows/mouse_controller.cpp

@@ -0,0 +1,75 @@
+#include "mouse_controller.h"
+
+#include "rd_log.h"
+
+namespace crossdesk {
+
+MouseController::MouseController() {}
+
+MouseController::~MouseController() {}
+
+int MouseController::Init(std::vector<DisplayInfo> display_info_list) {
+  display_info_list_ = display_info_list;
+
+  return 0;
+}
+
+int MouseController::Destroy() { return 0; }
+
+int MouseController::SendMouseCommand(RemoteAction remote_action,
+                                      int display_index) {
+  INPUT ip;
+
+  if (remote_action.type == ControlType::mouse) {
+    ip.type = INPUT_MOUSE;
+    ip.mi.dx =
+        (LONG)(remote_action.m.x * display_info_list_[display_index].width) +
+        display_info_list_[display_index].left;
+    ip.mi.dy =
+        (LONG)(remote_action.m.y * display_info_list_[display_index].height) +
+        display_info_list_[display_index].top;
+
+    switch (remote_action.m.flag) {
+      case MouseFlag::left_down:
+        ip.mi.dwFlags = MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::left_up:
+        ip.mi.dwFlags = MOUSEEVENTF_LEFTUP | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::right_down:
+        ip.mi.dwFlags = MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::right_up:
+        ip.mi.dwFlags = MOUSEEVENTF_RIGHTUP | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::middle_down:
+        ip.mi.dwFlags = MOUSEEVENTF_MIDDLEDOWN | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::middle_up:
+        ip.mi.dwFlags = MOUSEEVENTF_MIDDLEUP | MOUSEEVENTF_ABSOLUTE;
+        break;
+      case MouseFlag::wheel_vertical:
+        ip.mi.dwFlags = MOUSEEVENTF_WHEEL;
+        ip.mi.mouseData = remote_action.m.s * 120;
+        break;
+      case MouseFlag::wheel_horizontal:
+        ip.mi.dwFlags = MOUSEEVENTF_HWHEEL;
+        ip.mi.mouseData = remote_action.m.s * 120;
+        break;
+      default:
+        ip.mi.dwFlags = MOUSEEVENTF_MOVE;
+        break;
+    }
+
+    ip.mi.time = 0;
+
+    SetCursorPos(ip.mi.dx, ip.mi.dy);
+
+    if (ip.mi.dwFlags != MOUSEEVENTF_MOVE) {
+      SendInput(1, &ip, sizeof(INPUT));
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/device_controller/mouse/windows/mouse_controller.h

@@ -0,0 +1,30 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-14
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _MOUSE_CONTROLLER_H_
+#define _MOUSE_CONTROLLER_H_
+
+#include <vector>
+
+#include "device_controller.h"
+
+namespace crossdesk {
+
+class MouseController : public DeviceController {
+ public:
+  MouseController();
+  virtual ~MouseController();
+
+ public:
+  virtual int Init(std::vector<DisplayInfo> display_info_list);
+  virtual int Destroy();
+  virtual int SendMouseCommand(RemoteAction remote_action, int display_index);
+
+ private:
+  std::vector<DisplayInfo> display_info_list_;
+};
+}  // namespace crossdesk
+#endif

src/device_controller/windows_keycode.h

@@ -0,0 +1,206 @@
+// virtual_key_codes.h
+#ifndef VIRTUAL_KEY_CODES_H
+#define VIRTUAL_KEY_CODES_H
+
+#define VK_LBUTTON 0x01   // Left mouse button
+#define VK_RBUTTON 0x02   // Right mouse button
+#define VK_CANCEL 0x03    // Control-break processing
+#define VK_MBUTTON 0x04   // Middle mouse button
+#define VK_XBUTTON1 0x05  // X1 mouse button
+#define VK_XBUTTON2 0x06  // X2 mouse button
+// 0x07 Reserved
+#define VK_BACK 0x08  // Backspace key
+#define VK_TAB 0x09   // Tab key
+// 0x0A-0B Reserved
+#define VK_CLEAR 0x0C   // Clear key
+#define VK_RETURN 0x0D  // Enter key
+// 0x0E-0F Unassigned
+#define VK_SHIFT 0x10       // Shift key
+#define VK_CONTROL 0x11     // Ctrl key
+#define VK_MENU 0x12        // Alt key
+#define VK_PAUSE 0x13       // Pause key
+#define VK_CAPITAL 0x14     // Caps lock key
+#define VK_KANA 0x15        // IME Kana mode
+#define VK_HANGUL 0x15      // IME Hangul mode
+#define VK_IME_ON 0x16      // IME On
+#define VK_JUNJA 0x17       // IME Junja mode
+#define VK_FINAL 0x18       // IME final mode
+#define VK_HANJA 0x19       // IME Hanja mode
+#define VK_KANJI 0x19       // IME Kanji mode
+#define VK_IME_OFF 0x1A     // IME Off
+#define VK_ESCAPE 0x1B      // Esc key
+#define VK_CONVERT 0x1C     // IME convert
+#define VK_NONCONVERT 0x1D  // IME nonconvert
+#define VK_ACCEPT 0x1E      // IME accept
+#define VK_MODECHANGE 0x1F  // IME mode change request
+#define VK_SPACE 0x20       // Spacebar key
+#define VK_PRIOR 0x21       // Page up key
+#define VK_NEXT 0x22        // Page down key
+#define VK_END 0x23         // End key
+#define VK_HOME 0x24        // Home key
+#define VK_LEFT 0x25        // Left arrow key
+#define VK_UP 0x26          // Up arrow key
+#define VK_RIGHT 0x27       // Right arrow key
+#define VK_DOWN 0x28        // Down arrow key
+#define VK_SELECT 0x29      // Select key
+#define VK_PRINT 0x2A       // Print key
+#define VK_EXECUTE 0x2B     // Execute key
+#define VK_SNAPSHOT 0x2C    // Print screen key
+#define VK_INSERT 0x2D      // Insert key
+#define VK_DELETE 0x2E      // Delete key
+#define VK_HELP 0x2F        // Help key
+
+#define VK_0 0x30  // 0 key
+#define VK_1 0x31  // 1 key
+#define VK_2 0x32  // 2 key
+#define VK_3 0x33  // 3 key
+#define VK_4 0x34  // 4 key
+#define VK_5 0x35  // 5 key
+#define VK_6 0x36  // 6 key
+#define VK_7 0x37  // 7 key
+#define VK_8 0x38  // 8 key
+#define VK_9 0x39  // 9 key
+// 0x3A-40 Undefined
+
+#define VK_A 0x41  // A key
+#define VK_B 0x42  // B key
+#define VK_C 0x43  // C key
+#define VK_D 0x44  // D key
+#define VK_E 0x45  // E key
+#define VK_F 0x46  // F key
+#define VK_G 0x47  // G key
+#define VK_H 0x48  // H key
+#define VK_I 0x49  // I key
+#define VK_J 0x4A  // J key
+#define VK_K 0x4B  // K key
+#define VK_L 0x4C  // L key
+#define VK_M 0x4D  // M key
+#define VK_N 0x4E  // N key
+#define VK_O 0x4F  // O key
+#define VK_P 0x50  // P key
+#define VK_Q 0x51  // Q key
+#define VK_R 0x52  // R key
+#define VK_S 0x53  // S key
+#define VK_T 0x54  // T key
+#define VK_U 0x55  // U key
+#define VK_V 0x56  // V key
+#define VK_W 0x57  // W key
+#define VK_X 0x58  // X key
+#define VK_Y 0x59  // Y key
+#define VK_Z 0x5A  // Z key
+
+#define VK_LWIN 0x5B  // Left Windows logo key
+#define VK_RWIN 0x5C  // Right Windows logo key
+#define VK_APPS 0x5D  // Application key
+// 0x5E Reserved
+#define VK_SLEEP 0x5F  // Computer Sleep key
+
+#define VK_NUMPAD0 0x60    // Numeric keypad 0 key
+#define VK_NUMPAD1 0x61    // Numeric keypad 1 key
+#define VK_NUMPAD2 0x62    // Numeric keypad 2 key
+#define VK_NUMPAD3 0x63    // Numeric keypad 3 key
+#define VK_NUMPAD4 0x64    // Numeric keypad 4 key
+#define VK_NUMPAD5 0x65    // Numeric keypad 5 key
+#define VK_NUMPAD6 0x66    // Numeric keypad 6 key
+#define VK_NUMPAD7 0x67    // Numeric keypad 7 key
+#define VK_NUMPAD8 0x68    // Numeric keypad 8 key
+#define VK_NUMPAD9 0x69    // Numeric keypad 9 key
+#define VK_MULTIPLY 0x6A   // Multiply key
+#define VK_ADD 0x6B        // Add key
+#define VK_SEPARATOR 0x6C  // Separator key
+#define VK_SUBTRACT 0x6D   // Subtract key
+#define VK_DECIMAL 0x6E    // Decimal key
+#define VK_DIVIDE 0x6F     // Divide key
+
+#define VK_F1 0x70   // F1 key
+#define VK_F2 0x71   // F2 key
+#define VK_F3 0x72   // F3 key
+#define VK_F4 0x73   // F4 key
+#define VK_F5 0x74   // F5 key
+#define VK_F6 0x75   // F6 key
+#define VK_F7 0x76   // F7 key
+#define VK_F8 0x77   // F8 key
+#define VK_F9 0x78   // F9 key
+#define VK_F10 0x79  // F10 key
+#define VK_F11 0x7A  // F11 key
+#define VK_F12 0x7B  // F12 key
+#define VK_F13 0x7C  // F13 key
+#define VK_F14 0x7D  // F14 key
+#define VK_F15 0x7E  // F15 key
+#define VK_F16 0x7F  // F16 key
+#define VK_F17 0x80  // F17 key
+#define VK_F18 0x81  // F18 key
+#define VK_F19 0x82  // F19 key
+#define VK_F20 0x83  // F20 key
+#define VK_F21 0x84  // F21 key
+#define VK_F22 0x85  // F22 key
+#define VK_F23 0x86  // F23 key
+#define VK_F24 0x87  // F24 key
+// 0x88–0x8F Reserved
+
+#define VK_NUMLOCK 0x90  // Num lock key
+#define VK_SCROLL 0x91   // Scroll lock key
+// 0x92–0x96 OEM specific
+// 0x97–0x9F Unassigned
+
+#define VK_LSHIFT 0xA0    // Left Shift key
+#define VK_RSHIFT 0xA1    // Right Shift key
+#define VK_LCONTROL 0xA2  // Left Ctrl key
+#define VK_RCONTROL 0xA3  // Right Ctrl key
+#define VK_LMENU 0xA4     // Left Alt key
+#define VK_RMENU 0xA5     // Right Alt key
+
+#define VK_BROWSER_BACK 0xA6       // Browser Back key
+#define VK_BROWSER_FORWARD 0xA7    // Browser Forward key
+#define VK_BROWSER_REFRESH 0xA8    // Browser Refresh key
+#define VK_BROWSER_STOP 0xA9       // Browser Stop key
+#define VK_BROWSER_SEARCH 0xAA     // Browser Search key
+#define VK_BROWSER_FAVORITES 0xAB  // Browser Favorites key
+#define VK_BROWSER_HOME 0xAC       // Browser Start and Home key
+#define VK_VOLUME_MUTE 0xAD        // Volume Mute key
+#define VK_VOLUME_DOWN 0xAE        // Volume Down key
+#define VK_VOLUME_UP 0xAF          // Volume Up key
+
+#define VK_MEDIA_NEXT_TRACK 0xB0     // Next Track key
+#define VK_MEDIA_PREV_TRACK 0xB1     // Previous Track key
+#define VK_MEDIA_STOP 0xB2           // Stop Media key
+#define VK_MEDIA_PLAY_PAUSE 0xB3     // Play/Pause Media key
+#define VK_LAUNCH_MAIL 0xB4          // Start Mail key
+#define VK_LAUNCH_MEDIA_SELECT 0xB5  // Select Media key
+#define VK_LAUNCH_APP1 0xB6          // Start Application 1 key
+#define VK_LAUNCH_APP2 0xB7          // Start Application 2 key
+// 0xB8–0xB9 Reserved
+
+#define VK_OEM_1 0xBA       // For US: Semicolon/Colon key
+#define VK_OEM_PLUS 0xBB    // Equals/Plus key
+#define VK_OEM_COMMA 0xBC   // Comma/Less Than key
+#define VK_OEM_MINUS 0xBD   // Dash/Underscore key
+#define VK_OEM_PERIOD 0xBE  // Period/Greater Than key
+#define VK_OEM_2 0xBF       // Slash/Question Mark key
+#define VK_OEM_3 0xC0       // Grave Accent/Tilde key
+// 0xC1–0xDA Reserved
+
+#define VK_OEM_4 0xDB  // Left Brace key
+#define VK_OEM_5 0xDC  // Backslash/Pipe key
+#define VK_OEM_6 0xDD  // Right Brace key
+#define VK_OEM_7 0xDE  // Apostrophe/Quote key
+#define VK_OEM_8 0xDF  // (Canadian CSA: Right Ctrl key)
+// 0xE0 Reserved
+#define VK_OEM_102 0xE2  // (European ISO: Backslash/Pipe key)
+// 0xE3–E4 OEM specific
+#define VK_PROCESSKEY 0xE5  // IME PROCESS key
+// 0xE6 OEM specific
+#define VK_PACKET 0xE7  // Unicode characters as keystrokes
+// 0xE8 Unassigned
+// 0xE9–F5 OEM specific
+#define VK_ATTN 0xF6       // Attn key
+#define VK_CRSEL 0xF7      // CrSel key
+#define VK_EXSEL 0xF8      // ExSel key
+#define VK_EREOF 0xF9      // Erase EOF key
+#define VK_PLAY 0xFA       // Play key
+#define VK_ZOOM 0xFB       // Zoom key
+#define VK_NONAME 0xFC     // Reserved
+#define VK_PA1 0xFD        // PA1 key
+#define VK_OEM_CLEAR 0xFE  // Clear key
+
+#endif  // VIRTUAL_KEY_CODES_H

src/gui/assets/layouts/layout.h

@@ -0,0 +1,63 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-06-14
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _LAYOUT_STYLE_H_
+#define _LAYOUT_STYLE_H_
+
+#define MENU_WINDOW_WIDTH_CN 300
+#define MENU_WINDOW_HEIGHT_CN 280
+#define LOCAL_WINDOW_WIDTH_CN 300
+#define LOCAL_WINDOW_HEIGHT_CN 280
+#define REMOTE_WINDOW_WIDTH_CN 300
+#define REMOTE_WINDOW_HEIGHT_CN 280
+#define MENU_WINDOW_WIDTH_EN 190
+#define MENU_WINDOW_HEIGHT_EN 245
+#define IPUT_WINDOW_WIDTH 160
+#define INPUT_WINDOW_PADDING_CN 66
+#define INPUT_WINDOW_PADDING_EN 96
+#define SETTINGS_WINDOW_WIDTH_CN 202
+#define SETTINGS_WINDOW_WIDTH_EN 248
+#if _WIN32
+#define SETTINGS_WINDOW_HEIGHT_CN 345
+#define SETTINGS_WINDOW_HEIGHT_EN 345
+#else
+#define SETTINGS_WINDOW_HEIGHT_CN 315
+#define SETTINGS_WINDOW_HEIGHT_EN 315
+#endif
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_CN 228
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_EN 275
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN 195
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN 195
+#define LANGUAGE_SELECT_WINDOW_PADDING_CN 120
+#define LANGUAGE_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_EN 167
+#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_CN 171
+#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_EN 218
+#define ENABLE_TURN_CHECKBOX_PADDING_CN 171
+#define ENABLE_TURN_CHECKBOX_PADDING_EN 218
+#define ENABLE_SRTP_CHECKBOX_PADDING_CN 171
+#define ENABLE_SRTP_CHECKBOX_PADDING_EN 218
+#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_CN 171
+#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_EN 218
+#define ENABLE_MINIZE_TO_TRAY_PADDING_CN 171
+#define ENABLE_MINIZE_TO_TRAY_PADDING_EN 218
+#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_CN 90
+#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_EN 137
+#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN 90
+#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN 137
+#define SETTINGS_SELECT_WINDOW_WIDTH 73
+#define SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH 130
+#define SETTINGS_OK_BUTTON_PADDING_CN 65
+#define SETTINGS_OK_BUTTON_PADDING_EN 83
+#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_CN 78
+#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_EN 91
+
+#endif

src/gui/assets/localization/localization.h

@@ -0,0 +1,176 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-05-29
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+#ifndef _LOCALIZATION_H_
+#define _LOCALIZATION_H_
+
+#include <string>
+#include <vector>
+
+#if _WIN32
+#include <Windows.h>
+#endif
+
+namespace crossdesk {
+
+namespace localization {
+
+static std::vector<std::string> local_desktop = {
+    reinterpret_cast<const char*>(u8"本桌面"), "Local Desktop"};
+static std::vector<std::string> local_id = {
+    reinterpret_cast<const char*>(u8"本机ID"), "Local ID"};
+static std::vector<std::string> local_id_copied_to_clipboard = {
+    reinterpret_cast<const char*>(u8"已复制到剪贴板"), "Copied to clipboard"};
+static std::vector<std::string> password = {
+    reinterpret_cast<const char*>(u8"密码"), "Password"};
+static std::vector<std::string> max_password_len = {
+    reinterpret_cast<const char*>(u8"最大6个字符"), "Max 6 chars"};
+
+static std::vector<std::string> remote_desktop = {
+    reinterpret_cast<const char*>(u8"控制远程桌面"), "Control Remote Desktop"};
+static std::vector<std::string> remote_id = {
+    reinterpret_cast<const char*>(u8"对端ID"), "Remote ID"};
+static std::vector<std::string> connect = {
+    reinterpret_cast<const char*>(u8"连接"), "Connect"};
+static std::vector<std::string> recent_connections = {
+    reinterpret_cast<const char*>(u8"近期连接"), "Recent Connections"};
+static std::vector<std::string> disconnect = {
+    reinterpret_cast<const char*>(u8"断开连接"), "Disconnect"};
+static std::vector<std::string> fullscreen = {
+    reinterpret_cast<const char*>(u8"全屏"), " Fullscreen"};
+static std::vector<std::string> show_net_traffic_stats = {
+    reinterpret_cast<const char*>(u8"显示流量统计"), "Show Net Traffic Stats"};
+static std::vector<std::string> hide_net_traffic_stats = {
+    reinterpret_cast<const char*>(u8"隐藏流量统计"), "Hide Net Traffic Stats"};
+static std::vector<std::string> video = {
+    reinterpret_cast<const char*>(u8"视频"), "Video"};
+static std::vector<std::string> audio = {
+    reinterpret_cast<const char*>(u8"音频"), "Audio"};
+static std::vector<std::string> data = {reinterpret_cast<const char*>(u8"数据"),
+                                        "Data"};
+static std::vector<std::string> total = {
+    reinterpret_cast<const char*>(u8"总计"), "Total"};
+static std::vector<std::string> in = {reinterpret_cast<const char*>(u8"输入"),
+                                      "In"};
+static std::vector<std::string> out = {reinterpret_cast<const char*>(u8"输出"),
+                                       "Out"};
+static std::vector<std::string> loss_rate = {
+    reinterpret_cast<const char*>(u8"丢包率"), "Loss Rate"};
+static std::vector<std::string> exit_fullscreen = {
+    reinterpret_cast<const char*>(u8"退出全屏"), "Exit fullscreen"};
+static std::vector<std::string> control_mouse = {
+    reinterpret_cast<const char*>(u8"控制"), "Control"};
+static std::vector<std::string> release_mouse = {
+    reinterpret_cast<const char*>(u8"释放"), "Release"};
+static std::vector<std::string> audio_capture = {
+    reinterpret_cast<const char*>(u8"声音"), "Audio"};
+static std::vector<std::string> mute = {
+    reinterpret_cast<const char*>(u8" 静音"), " Mute"};
+static std::vector<std::string> settings = {
+    reinterpret_cast<const char*>(u8"设置"), "Settings"};
+static std::vector<std::string> language = {
+    reinterpret_cast<const char*>(u8"语言:"), "Language:"};
+static std::vector<std::string> language_zh = {
+    reinterpret_cast<const char*>(u8"中文"), "Chinese"};
+static std::vector<std::string> language_en = {
+    reinterpret_cast<const char*>(u8"英文"), "English"};
+static std::vector<std::string> video_quality = {
+    reinterpret_cast<const char*>(u8"视频质量:"), "Video Quality:"};
+static std::vector<std::string> video_frame_rate = {
+    reinterpret_cast<const char*>(u8"画面采集帧率:"),
+    "Video Capture Frame Rate:"};
+static std::vector<std::string> video_quality_high = {
+    reinterpret_cast<const char*>(u8"高"), "High"};
+static std::vector<std::string> video_quality_medium = {
+    reinterpret_cast<const char*>(u8"中"), "Medium"};
+static std::vector<std::string> video_quality_low = {
+    reinterpret_cast<const char*>(u8"低"), "Low"};
+static std::vector<std::string> video_encode_format = {
+    reinterpret_cast<const char*>(u8"视频编码格式:"), "Video Encode Format:"};
+static std::vector<std::string> av1 = {reinterpret_cast<const char*>(u8"AV1"),
+                                       "AV1"};
+static std::vector<std::string> h264 = {
+    reinterpret_cast<const char*>(u8"H.264"), "H.264"};
+static std::vector<std::string> enable_hardware_video_codec = {
+    reinterpret_cast<const char*>(u8"启用硬件编解码器:"),
+    "Enable Hardware Video Codec:"};
+static std::vector<std::string> enable_turn = {
+    reinterpret_cast<const char*>(u8"启用中继服务:"), "Enable TURN Service:"};
+static std::vector<std::string> enable_srtp = {
+    reinterpret_cast<const char*>(u8"启用SRTP:"), "Enable SRTP:"};
+static std::vector<std::string> self_hosted_server_config = {
+    reinterpret_cast<const char*>(u8"自托管服务器配置"),
+    "Self-Hosted Server Config"};
+static std::vector<std::string> self_hosted_server_settings = {
+    reinterpret_cast<const char*>(u8"自托管服务器设置"),
+    "Self-Hosted Server Settings"};
+static std::vector<std::string> self_hosted_server_address = {
+    reinterpret_cast<const char*>(u8"服务器地址:"), "Server Address:"};
+static std::vector<std::string> self_hosted_server_port = {
+    reinterpret_cast<const char*>(u8"信令服务端口:"), "Signal Service Port:"};
+static std::vector<std::string> self_hosted_server_coturn_server_port = {
+    reinterpret_cast<const char*>(u8"中继服务端口:"), "Relay Service Port:"};
+static std::vector<std::string> self_hosted_server_certificate_path = {
+    reinterpret_cast<const char*>(u8"证书文件路径:"), "Certificate File Path:"};
+static std::vector<std::string> select_a_file = {
+    reinterpret_cast<const char*>(u8"请选择文件"), "Please select a file"};
+static std::vector<std::string> ok = {reinterpret_cast<const char*>(u8"确认"),
+                                      "OK"};
+static std::vector<std::string> cancel = {
+    reinterpret_cast<const char*>(u8"取消"), "Cancel"};
+
+static std::vector<std::string> new_password = {
+    reinterpret_cast<const char*>(u8"请输入六位密码:"),
+    "Please input a six-char password:"};
+
+static std::vector<std::string> input_password = {
+    reinterpret_cast<const char*>(u8"请输入密码:"), "Please input password:"};
+static std::vector<std::string> validate_password = {
+    reinterpret_cast<const char*>(u8"验证密码中..."), "Validate password ..."};
+static std::vector<std::string> reinput_password = {
+    reinterpret_cast<const char*>(u8"请重新输入密码"),
+    "Please input password again"};
+
+static std::vector<std::string> remember_password = {
+    reinterpret_cast<const char*>(u8"记住密码"), "Remember password"};
+
+static std::vector<std::string> signal_connected = {
+    reinterpret_cast<const char*>(u8"已连接服务器"), "Connected"};
+static std::vector<std::string> signal_disconnected = {
+    reinterpret_cast<const char*>(u8"未连接服务器"), "Disconnected"};
+
+static std::vector<std::string> p2p_connected = {
+    reinterpret_cast<const char*>(u8"对等连接已建立"), "P2P Connected"};
+static std::vector<std::string> p2p_disconnected = {
+    reinterpret_cast<const char*>(u8"对等连接已断开"), "P2P Disconnected"};
+static std::vector<std::string> p2p_connecting = {
+    reinterpret_cast<const char*>(u8"正在建立对等连接..."),
+    "P2P Connecting ..."};
+static std::vector<std::string> p2p_failed = {
+    reinterpret_cast<const char*>(u8"对等连接失败"), "P2P Failed"};
+static std::vector<std::string> p2p_closed = {
+    reinterpret_cast<const char*>(u8"对等连接已关闭"), "P2P closed"};
+
+static std::vector<std::string> no_such_id = {
+    reinterpret_cast<const char*>(u8"无此ID"), "No such ID"};
+
+static std::vector<std::string> about = {
+    reinterpret_cast<const char*>(u8"关于"), "About"};
+static std::vector<std::string> version = {
+    reinterpret_cast<const char*>(u8"版本"), "Version"};
+
+static std::vector<std::string> confirm_delete_connection = {
+    reinterpret_cast<const char*>(u8"确认删除此连接"),
+    "Confirm to delete this connection"};
+#if _WIN32
+
+static std::vector<std::string> minimize_to_tray = {
+    reinterpret_cast<const char*>(u8"退出时最小化到系统托盘:"),
+    "Minimize to system tray when exit:"};
+static std::vector<LPCWSTR> exit_program = {L"退出", L"Exit"};
+#endif
+}  // namespace localization
+}  // namespace crossdesk
+#endif

src/gui/panels/local_peer_panel.cpp

@@ -0,0 +1,293 @@
+#include <random>
+
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::LocalWindow() {
+  ImGui::SetNextWindowPos(ImVec2(-1.0f, title_bar_height_), ImGuiCond_Always);
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::BeginChild("LocalDesktopWindow",
+                    ImVec2(local_window_width_, local_window_height_),
+                    ImGuiChildFlags_None,
+                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                        ImGuiWindowFlags_NoBringToFrontOnFocus);
+  ImGui::PopStyleColor();
+
+  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::Indent(main_child_window_x_padding_);
+
+  ImGui::TextColored(
+      ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
+      localization::local_desktop[localization_language_index_].c_str());
+
+  ImGui::Spacing();
+  {
+    ImGui::SetNextWindowPos(
+        ImVec2(main_child_window_x_padding_,
+               title_bar_height_ + main_child_window_y_padding_),
+        ImGuiCond_Always);
+    ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(239.0f / 255, 240.0f / 255,
+                                                   242.0f / 255, 1.0f));
+    ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 10.0f);
+    ImGui::BeginChild(
+        "LocalDesktopWindow_1",
+        ImVec2(local_child_window_width_, local_child_window_height_),
+        ImGuiChildFlags_Border,
+        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+            ImGuiWindowFlags_NoTitleBar |
+            ImGuiWindowFlags_NoBringToFrontOnFocus);
+    ImGui::PopStyleVar();
+    ImGui::PopStyleColor();
+    {
+      ImGui::SetWindowFontScale(0.8f);
+      ImGui::Text("%s",
+                  localization::local_id[localization_language_index_].c_str());
+
+      ImGui::Spacing();
+
+      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+
+      if (strcmp(client_id_display_, client_id_)) {
+        for (int i = 0, j = 0; i < sizeof(client_id_); i++, j++) {
+          client_id_display_[j] = client_id_[i];
+          if (i == 2 || i == 5) {
+            client_id_display_[++j] = ' ';
+          }
+        }
+      }
+
+      ImGui::InputText(
+          "##local_id", client_id_display_, IM_ARRAYSIZE(client_id_display_),
+          ImGuiInputTextFlags_CharsUppercase | ImGuiInputTextFlags_ReadOnly);
+      ImGui::PopStyleVar();
+
+      ImGui::SameLine();
+
+      ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+      ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0));
+      ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(0, 0, 0, 0));
+      ImGui::SetWindowFontScale(0.5f);
+      if (ImGui::Button(ICON_FA_COPY, ImVec2(22, 38))) {
+        local_id_copied_ = true;
+        ImGui::SetClipboardText(client_id_);
+        copy_start_time_ = ImGui::GetTime();
+      }
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::PopStyleColor(3);
+
+      double time_duration = ImGui::GetTime() - copy_start_time_;
+      if (local_id_copied_ && time_duration < 1.0f) {
+        const ImGuiViewport* viewport = ImGui::GetMainViewport();
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    notification_window_width_) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    notification_window_height_) /
+                       2));
+
+        ImGui::SetNextWindowSize(
+            ImVec2(notification_window_width_, notification_window_height_));
+        ImGui::PushStyleColor(
+            ImGuiCol_WindowBg,
+            ImVec4(1.0f, 1.0f, 1.0f, 1.0f - (float)time_duration));
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+        ImGui::Begin("ConnectionStatusWindow", nullptr,
+                     ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
+                         ImGuiWindowFlags_NoSavedSettings);
+        ImGui::PopStyleVar(2);
+        ImGui::PopStyleColor();
+
+        auto window_width = ImGui::GetWindowSize().x;
+        auto window_height = ImGui::GetWindowSize().y;
+        ImGui::SetWindowFontScale(0.8f);
+        std::string text = localization::local_id_copied_to_clipboard
+            [localization_language_index_];
+        auto text_width = ImGui::CalcTextSize(text.c_str()).x;
+        ImGui::SetCursorPosX((window_width - text_width) * 0.5f);
+        ImGui::SetCursorPosY(window_height * 0.5f);
+        ImGui::PushStyleColor(ImGuiCol_Text,
+                              ImVec4(0, 0, 0, 1.0f - (float)time_duration));
+        ImGui::Text("%s", text.c_str());
+        ImGui::PopStyleColor();
+        ImGui::SetWindowFontScale(1.0f);
+
+        ImGui::End();
+      }
+
+      ImGui::Spacing();
+      ImGui::Separator();
+      ImGui::Spacing();
+
+      ImGui::SetWindowFontScale(0.8f);
+      ImGui::Text("%s",
+                  localization::password[localization_language_index_].c_str());
+      ImGui::SetWindowFontScale(1.0f);
+
+      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::Spacing();
+
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+      ImGui::InputTextWithHint(
+          "##server_pwd",
+          localization::max_password_len[localization_language_index_].c_str(),
+          password_saved_, IM_ARRAYSIZE(password_saved_),
+          show_password_
+              ? ImGuiInputTextFlags_CharsNoBlank | ImGuiInputTextFlags_ReadOnly
+              : ImGuiInputTextFlags_CharsNoBlank |
+                    ImGuiInputTextFlags_Password |
+                    ImGuiInputTextFlags_ReadOnly);
+      ImGui::PopStyleVar();
+
+      ImGui::SameLine();
+      ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+      ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0));
+      ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(0, 0, 0, 0));
+      ImGui::SetWindowFontScale(0.5f);
+      auto l_x = ImGui::GetCursorScreenPos().x;
+      auto l_y = ImGui::GetCursorScreenPos().y;
+      if (ImGui::Button(ICON_FA_EYE, ImVec2(22, 38))) {
+        show_password_ = !show_password_;
+      }
+
+      if (!show_password_) {
+        ImDrawList* draw_list = ImGui::GetWindowDrawList();
+        draw_list->AddLine(ImVec2(l_x + 3.0f, l_y + 12.5f),
+                           ImVec2(l_x + 20.3f, l_y + 26.5f),
+                           IM_COL32(239, 240, 242, 255), 2.0f);
+        draw_list->AddLine(ImVec2(l_x + 3.0f, l_y + 11.0f),
+                           ImVec2(l_x + 20.3f, l_y + 25.0f),
+                           IM_COL32(0, 0, 0, 255), 1.5f);
+      }
+
+      ImGui::SameLine();
+
+      if (ImGui::Button(ICON_FA_PEN, ImVec2(22, 38))) {
+        show_reset_password_window_ = true;
+      }
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::PopStyleColor(3);
+
+      if (show_reset_password_window_) {
+        const ImGuiViewport* viewport = ImGui::GetMainViewport();
+
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    connection_status_window_width_) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    connection_status_window_height_) /
+                       2));
+
+        ImGui::SetNextWindowSize(ImVec2(connection_status_window_width_,
+                                        connection_status_window_height_));
+
+        ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+        ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0, 1.0, 1.0, 1.0));
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+
+        ImGui::Begin("ResetPasswordWindow", nullptr,
+                     ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                         ImGuiWindowFlags_NoSavedSettings);
+        ImGui::PopStyleVar(2);
+        ImGui::PopStyleColor();
+
+        auto window_width = ImGui::GetWindowSize().x;
+        auto window_height = ImGui::GetWindowSize().y;
+        std::string text =
+            localization::new_password[localization_language_index_];
+        ImGui::SetWindowFontScale(0.5f);
+        auto text_width = ImGui::CalcTextSize(text.c_str()).x;
+        ImGui::SetCursorPosX((window_width - text_width) * 0.5f);
+        ImGui::SetCursorPosY(window_height * 0.2f);
+        ImGui::Text("%s", text.c_str());
+
+        ImGui::SetCursorPosX((window_width - IPUT_WINDOW_WIDTH / 2) * 0.5f);
+        ImGui::SetCursorPosY(window_height * 0.4f);
+        ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH / 2);
+
+        ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+
+        if (focus_on_input_widget_) {
+          ImGui::SetKeyboardFocusHere();
+          focus_on_input_widget_ = false;
+        }
+
+        bool enter_pressed = ImGui::InputText(
+            "##new_password", new_password_, IM_ARRAYSIZE(new_password_),
+            ImGuiInputTextFlags_CharsNoBlank |
+                ImGuiInputTextFlags_EnterReturnsTrue);
+
+        ImGui::PopStyleVar();
+
+        ImGui::SetCursorPosX(window_width * 0.315f);
+        ImGui::SetCursorPosY(window_height * 0.75f);
+
+        // OK
+        if (ImGui::Button(
+                localization::ok[localization_language_index_].c_str()) ||
+            enter_pressed) {
+          if (6 != strlen(new_password_)) {
+            LOG_ERROR("Invalid password length");
+            show_reset_password_window_ = true;
+            focus_on_input_widget_ = true;
+          } else {
+            show_reset_password_window_ = false;
+            memset(&password_saved_, 0, sizeof(password_saved_));
+            strncpy(password_saved_, new_password_,
+                    sizeof(password_saved_) - 1);
+            password_saved_[sizeof(password_saved_) - 1] = '\0';
+
+            std::string client_id_with_password =
+                std::string(client_id_) + "@" + password_saved_;
+            strncpy(client_id_with_password_, client_id_with_password.c_str(),
+                    sizeof(client_id_with_password_) - 1);
+            client_id_with_password_[sizeof(client_id_with_password_) - 1] =
+                '\0';
+
+            SaveSettingsIntoCacheFile();
+
+            LeaveConnection(peer_, client_id_);
+            DestroyPeer(&peer_);
+            focus_on_input_widget_ = true;
+          }
+        }
+
+        ImGui::SameLine();
+
+        if (ImGui::Button(
+                localization::cancel[localization_language_index_].c_str())) {
+          show_reset_password_window_ = false;
+          focus_on_input_widget_ = true;
+          memset(new_password_, 0, sizeof(new_password_));
+        }
+
+        ImGui::SetWindowFontScale(1.0f);
+
+        ImGui::End();
+        ImGui::PopStyleVar();
+      }
+    }
+
+    ImGui::EndChild();
+  }
+
+  ImGui::EndChild();
+  ImGui::PopStyleVar();
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/panels/recent_connections_panel.cpp

@@ -0,0 +1,289 @@
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::RecentConnectionsWindow() {
+  ImGui::SetNextWindowPos(
+      ImVec2(0, title_bar_height_ + local_window_height_ - 1.0f),
+      ImGuiCond_Always);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::BeginChild(
+      "RecentConnectionsWindow",
+      ImVec2(main_window_width_default_,
+             main_window_height_default_ - title_bar_height_ -
+                 local_window_height_ - status_bar_height_ + 1.0f),
+      ImGuiChildFlags_Border,
+      ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+          ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+          ImGuiWindowFlags_NoBringToFrontOnFocus);
+  ImGui::PopStyleVar();
+  ImGui::PopStyleColor();
+
+  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::Indent(main_child_window_x_padding_);
+
+  ImGui::TextColored(
+      ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
+      localization::recent_connections[localization_language_index_].c_str());
+
+  ShowRecentConnections();
+
+  ImGui::EndChild();
+
+  return 0;
+}
+
+int Render::ShowRecentConnections() {
+  ImGui::SetCursorPosX(25.0f);
+  ImVec2 sub_window_pos = ImGui::GetCursorPos();
+  std::map<std::string, ImVec2> sub_containers_pos;
+  float recent_connection_sub_container_width =
+      recent_connection_image_width_ + 16.0f;
+  float recent_connection_sub_container_height =
+      recent_connection_image_height_ + 36.0f;
+  ImGui::PushStyleColor(ImGuiCol_ChildBg,
+                        ImVec4(239.0f / 255, 240.0f / 255, 242.0f / 255, 1.0f));
+  ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 10.0f);
+  ImGui::BeginChild("RecentConnectionsContainer",
+                    ImVec2(main_window_width_default_ - 50.0f, 145.0f),
+                    ImGuiChildFlags_Border,
+                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                        ImGuiWindowFlags_NoBringToFrontOnFocus |
+                        ImGuiWindowFlags_AlwaysHorizontalScrollbar |
+                        ImGuiWindowFlags_NoScrollbar |
+                        ImGuiWindowFlags_NoScrollWithMouse);
+  ImGui::PopStyleVar();
+  ImGui::PopStyleColor();
+  size_t recent_connections_count = recent_connections_.size();
+  int count = 0;
+  float button_width = 22;
+  float button_height = 22;
+  for (auto& it : recent_connections_) {
+    sub_containers_pos[it.first] = ImGui::GetCursorPos();
+    std::string recent_connection_sub_window_name =
+        "RecentConnectionsSubContainer" + it.first;
+    // recent connections sub container
+    ImGui::BeginChild(recent_connection_sub_window_name.c_str(),
+                      ImVec2(recent_connection_sub_container_width,
+                             recent_connection_sub_container_height),
+                      ImGuiChildFlags_None,
+                      ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                          ImGuiWindowFlags_NoMove |
+                          ImGuiWindowFlags_NoTitleBar |
+                          ImGuiWindowFlags_NoBringToFrontOnFocus |
+                          ImGuiWindowFlags_NoScrollbar);
+    std::string connection_info = it.first;
+
+    // remote id length is 9
+    // password length is 6
+    // connection_info -> remote_id + 'Y' + host_name + '@' + password
+    //                 -> remote_id + 'N' + host_name
+    if ('Y' == connection_info[9] && connection_info.size() >= 16) {
+      size_t pos_y = connection_info.find('Y');
+      size_t pos_at = connection_info.find('@');
+
+      if (pos_y == std::string::npos || pos_at == std::string::npos ||
+          pos_y >= pos_at) {
+        LOG_ERROR("Invalid filename");
+        continue;
+      }
+
+      it.second.remote_id = connection_info.substr(0, pos_y);
+      it.second.remote_host_name =
+          connection_info.substr(pos_y + 1, pos_at - pos_y - 1);
+      it.second.password = connection_info.substr(pos_at + 1);
+      it.second.remember_password = true;
+    } else if ('N' == connection_info[9] && connection_info.size() >= 10) {
+      size_t pos_n = connection_info.find('N');
+      size_t pos_at = connection_info.find('@');
+
+      if (pos_n == std::string::npos) {
+        LOG_ERROR("Invalid filename");
+        continue;
+      }
+
+      it.second.remote_id = connection_info.substr(0, pos_n);
+      it.second.remote_host_name = connection_info.substr(pos_n + 1);
+      it.second.password = "";
+      it.second.remember_password = false;
+    } else {
+      it.second.remote_host_name = "unknown";
+    }
+
+    ImVec2 image_screen_pos = ImVec2(ImGui::GetCursorScreenPos().x + 5.0f,
+                                     ImGui::GetCursorScreenPos().y + 5.0f);
+    ImVec2 image_pos =
+        ImVec2(ImGui::GetCursorPosX() + 5.0f, ImGui::GetCursorPosY() + 5.0f);
+    ImGui::SetCursorPos(image_pos);
+    ImGui::Image((ImTextureID)(intptr_t)it.second.texture,
+                 ImVec2((float)recent_connection_image_width_,
+                        (float)recent_connection_image_height_));
+
+    // remote id display button
+    {
+      ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0.2f));
+      ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0.2f));
+      ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(0, 0, 0, 0.2f));
+
+      ImVec2 dummy_button_pos =
+          ImVec2(image_pos.x, image_pos.y + recent_connection_image_height_);
+      std::string dummy_button_name = "##DummyButton" + it.second.remote_id;
+      ImGui::SetCursorPos(dummy_button_pos);
+      ImGui::SetWindowFontScale(0.6f);
+      ImGui::Button(dummy_button_name.c_str(),
+                    ImVec2(recent_connection_image_width_ - 2 * button_width,
+                           button_height));
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::SetCursorPos(
+          ImVec2(dummy_button_pos.x + 2.0f, dummy_button_pos.y + 1.0f));
+      ImGui::SetWindowFontScale(0.65f);
+      ImGui::Text("%s", it.second.remote_id.c_str());
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::PopStyleColor(3);
+
+      if (ImGui::IsItemHovered()) {
+        ImGui::BeginTooltip();
+        ImGui::SetWindowFontScale(0.5f);
+        ImGui::Text("%s", it.second.remote_host_name.c_str());
+        ImGui::SetWindowFontScale(1.0f);
+        ImGui::EndTooltip();
+      }
+    }
+
+    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0.2f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered,
+                          ImVec4(0.1f, 0.4f, 0.8f, 1.0f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonActive,
+                          ImVec4(1.0f, 1.0f, 1.0f, 0.7f));
+    ImGui::SetWindowFontScale(0.5f);
+    // trash button
+    {
+      ImVec2 trash_can_button_pos = ImVec2(
+          image_pos.x + recent_connection_image_width_ - 2 * button_width,
+          image_pos.y + recent_connection_image_height_);
+      ImGui::SetCursorPos(trash_can_button_pos);
+      std::string trash_can = ICON_FA_TRASH_CAN;
+      std::string recent_connection_delete_button_name =
+          trash_can + "##RecentConnectionDelete" +
+          std::to_string(trash_can_button_pos.x);
+      if (ImGui::Button(recent_connection_delete_button_name.c_str(),
+                        ImVec2(button_width, button_height))) {
+        show_confirm_delete_connection_ = true;
+        delete_connection_name_ = it.first;
+      }
+
+      if (delete_connection_ && delete_connection_name_ == it.first) {
+        if (!thumbnail_->DeleteThumbnail(it.first)) {
+          reload_recent_connections_ = true;
+          delete_connection_ = false;
+        }
+      }
+    }
+
+    // connect button
+    {
+      ImVec2 connect_button_pos =
+          ImVec2(image_pos.x + recent_connection_image_width_ - button_width,
+                 image_pos.y + recent_connection_image_height_);
+      ImGui::SetCursorPos(connect_button_pos);
+      std::string connect = ICON_FA_ARROW_RIGHT_LONG;
+      std::string connect_to_this_connection_button_name =
+          connect + "##ConnectionTo" + it.first;
+      if (ImGui::Button(connect_to_this_connection_button_name.c_str(),
+                        ImVec2(button_width, button_height))) {
+        ConnectTo(it.second.remote_id, it.second.password.c_str(),
+                  it.second.remember_password);
+      }
+    }
+    ImGui::SetWindowFontScale(1.0f);
+    ImGui::PopStyleColor(3);
+
+    ImGui::EndChild();
+
+    if (count != recent_connections_count - 1) {
+      ImVec2 line_start =
+          ImVec2(image_screen_pos.x + recent_connection_image_width_ + 20.0f,
+                 image_screen_pos.y);
+      ImVec2 line_end = ImVec2(
+          image_screen_pos.x + recent_connection_image_width_ + 20.0f,
+          image_screen_pos.y + recent_connection_image_height_ + button_height);
+      ImGui::GetWindowDrawList()->AddLine(line_start, line_end,
+                                          IM_COL32(0, 0, 0, 122), 1.0f);
+    }
+
+    count++;
+    ImGui::SameLine(0, count != recent_connections_count ? 26.0f : 0.0f);
+  }
+
+  ImGui::EndChild();
+
+  if (show_confirm_delete_connection_) {
+    ConfirmDeleteConnection();
+  }
+
+  return 0;
+}
+
+int Render::ConfirmDeleteConnection() {
+  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  ImGui::SetNextWindowPos(ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                                  connection_status_window_width_) /
+                                     2,
+                                 (viewport->WorkSize.y - viewport->WorkPos.y -
+                                  connection_status_window_height_) /
+                                     2));
+
+  ImGui::SetNextWindowSize(ImVec2(connection_status_window_width_,
+                                  connection_status_window_height_));
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0, 1.0, 1.0, 1.0));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+
+  ImGui::Begin("ConfirmDeleteConnectionWindow", nullptr,
+               ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                   ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                   ImGuiWindowFlags_NoSavedSettings);
+  ImGui::PopStyleVar(2);
+  ImGui::PopStyleColor();
+
+  std::string text =
+      localization::confirm_delete_connection[localization_language_index_];
+  ImGui::SetCursorPosX(connection_status_window_width_ * 6 / 19);
+  ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+
+  // ok
+  ImGui::SetWindowFontScale(0.5f);
+  if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+      ImGui::IsKeyPressed(ImGuiKey_Enter)) {
+    delete_connection_ = true;
+    show_confirm_delete_connection_ = false;
+  }
+
+  ImGui::SameLine();
+  // cancel
+  if (ImGui::Button(
+          localization::cancel[localization_language_index_].c_str()) ||
+      ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+    delete_connection_ = false;
+    show_confirm_delete_connection_ = false;
+  }
+
+  auto window_width = ImGui::GetWindowSize().x;
+  auto window_height = ImGui::GetWindowSize().y;
+
+  auto text_width = ImGui::CalcTextSize(text.c_str()).x;
+  ImGui::SetCursorPosX((window_width - text_width) * 0.5f);
+  ImGui::SetCursorPosY(window_height * 0.2f);
+  ImGui::Text("%s", text.c_str());
+  ImGui::SetWindowFontScale(1.0f);
+
+  ImGui::End();
+  ImGui::PopStyleVar();
+  return 0;
+}
+}  // namespace crossdesk

src/gui/panels/remote_peer_panel.cpp

@@ -0,0 +1,184 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+static int InputTextCallback(ImGuiInputTextCallbackData* data);
+
+int Render::RemoteWindow() {
+  ImGui::SetNextWindowPos(ImVec2(local_window_width_ + 1.0f, title_bar_height_),
+                          ImGuiCond_Always);
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::BeginChild("RemoteDesktopWindow",
+                    ImVec2(remote_window_width_, remote_window_height_),
+                    ImGuiChildFlags_None,
+                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                        ImGuiWindowFlags_NoBringToFrontOnFocus);
+  ImGui::PopStyleColor();
+
+  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::Indent(main_child_window_x_padding_ - 1.0f);
+
+  ImGui::TextColored(
+      ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
+      localization::remote_desktop[localization_language_index_].c_str());
+
+  ImGui::Spacing();
+  {
+    ImGui::SetNextWindowPos(
+        ImVec2(local_window_width_ + main_child_window_x_padding_ - 1.0f,
+               title_bar_height_ + main_child_window_y_padding_),
+        ImGuiCond_Always);
+    ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(239.0f / 255, 240.0f / 255,
+                                                   242.0f / 255, 1.0f));
+    ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 10.0f);
+
+    ImGui::BeginChild(
+        "RemoteDesktopWindow_1",
+        ImVec2(remote_child_window_width_, remote_child_window_height_),
+        ImGuiChildFlags_Border,
+        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+            ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+            ImGuiWindowFlags_NoBringToFrontOnFocus);
+    ImGui::PopStyleVar();
+    ImGui::PopStyleColor();
+    {
+      ImGui::SetWindowFontScale(0.8f);
+      ImGui::Text(
+          "%s", localization::remote_id[localization_language_index_].c_str());
+
+      ImGui::Spacing();
+      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+      if (re_enter_remote_id_) {
+        ImGui::SetKeyboardFocusHere();
+        re_enter_remote_id_ = false;
+        memset(remote_id_display_, 0, sizeof(remote_id_display_));
+      }
+      bool enter_pressed = ImGui::InputText(
+          "##remote_id_", remote_id_display_, IM_ARRAYSIZE(remote_id_display_),
+          ImGuiInputTextFlags_CharsDecimal |
+              ImGuiInputTextFlags_EnterReturnsTrue |
+              ImGuiInputTextFlags_CallbackEdit,
+          InputTextCallback);
+
+      ImGui::PopStyleVar();
+      ImGui::SameLine();
+
+      std::string remote_id = remote_id_display_;
+      remote_id.erase(remove_if(remote_id.begin(), remote_id.end(),
+                                static_cast<int (*)(int)>(&isspace)),
+                      remote_id.end());
+      if (ImGui::Button(ICON_FA_ARROW_RIGHT_LONG, ImVec2(55, 38)) ||
+          enter_pressed) {
+        connect_button_pressed_ = true;
+        bool found = false;
+        for (auto& [id, props] : recent_connections_) {
+          if (id.find(remote_id) != std::string::npos) {
+            found = true;
+            if (client_properties_.find(remote_id) !=
+                client_properties_.end()) {
+              if (!client_properties_[remote_id]->connection_established_) {
+                ConnectTo(props.remote_id, props.password.c_str(), false);
+              } else {
+                // todo: show warning message
+                LOG_INFO("Already connected to [{}]", remote_id);
+              }
+            } else {
+              ConnectTo(props.remote_id, props.password.c_str(), false);
+            }
+          }
+        }
+
+        if (!found) {
+          ConnectTo(remote_id, "", false);
+        }
+      }
+
+      if (need_to_rejoin_) {
+        need_to_rejoin_ = false;
+        for (const auto& [_, props] : client_properties_) {
+          if (props->rejoin_) {
+            ConnectTo(props->remote_id_, props->remote_password_,
+                      props->remember_password_);
+          }
+        }
+      }
+    }
+    ImGui::EndChild();
+  }
+  ImGui::EndChild();
+  ImGui::PopStyleVar();
+
+  return 0;
+}
+
+static int InputTextCallback(ImGuiInputTextCallbackData* data) {
+  if (data->BufTextLen > 3 && data->Buf[3] != ' ') {
+    data->InsertChars(3, " ");
+  }
+
+  if (data->BufTextLen > 7 && data->Buf[7] != ' ') {
+    data->InsertChars(7, " ");
+  }
+
+  return 0;
+}
+
+int Render::ConnectTo(const std::string& remote_id, const char* password,
+                      bool remember_password) {
+  LOG_INFO("Connect to [{}]", remote_id);
+  focused_remote_id_ = remote_id;
+
+  if (client_properties_.find(remote_id) == client_properties_.end()) {
+    client_properties_[remote_id] =
+        std::make_shared<SubStreamWindowProperties>();
+    auto props = client_properties_[remote_id];
+    props->local_id_ = "C-" + std::string(client_id_);
+    props->remote_id_ = remote_id;
+    memcpy(&props->params_, &params_, sizeof(Params));
+    props->params_.user_id = props->local_id_.c_str();
+    props->peer_ = CreatePeer(&props->params_);
+    AddAudioStream(props->peer_, props->audio_label_.c_str());
+    AddDataStream(props->peer_, props->data_label_.c_str());
+
+    if (props->peer_) {
+      LOG_INFO("[{}] Create peer instance successful", props->local_id_);
+      Init(props->peer_);
+      LOG_INFO("[{}] Peer init finish", props->local_id_);
+    } else {
+      LOG_INFO("Create peer [{}] instance failed", props->local_id_);
+    }
+
+    props->connection_status_ = ConnectionStatus::Connecting;
+  }
+  int ret = -1;
+  auto props = client_properties_[remote_id];
+  if (!props->connection_established_) {
+    props->remember_password_ = remember_password;
+    if (strcmp(password, "") != 0 &&
+        strcmp(password, props->remote_password_) != 0) {
+      strncpy(props->remote_password_, password,
+              sizeof(props->remote_password_) - 1);
+      props->remote_password_[sizeof(props->remote_password_) - 1] = '\0';
+    }
+
+    std::string remote_id_with_pwd = remote_id + "@" + password;
+    ret = JoinConnection(props->peer_, remote_id_with_pwd.c_str());
+    if (0 == ret) {
+      props->rejoin_ = false;
+    } else {
+      props->rejoin_ = true;
+      need_to_rejoin_ = true;
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/render.h

@@ -0,0 +1,474 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-05-29
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _MAIN_WINDOW_H_
+#define _MAIN_WINDOW_H_
+
+#include <SDL3/SDL.h>
+
+#include <atomic>
+#include <chrono>
+#include <fstream>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <unordered_map>
+
+#include "IconsFontAwesome6.h"
+#include "config_center.h"
+#include "device_controller_factory.h"
+#include "imgui.h"
+#include "imgui_impl_sdl3.h"
+#include "imgui_impl_sdlrenderer3.h"
+#include "imgui_internal.h"
+#include "minirtc.h"
+#include "path_manager.h"
+#include "screen_capturer_factory.h"
+#include "speaker_capturer_factory.h"
+#include "thumbnail.h"
+#if _WIN32
+#include "win_tray.h"
+#endif
+
+namespace crossdesk {
+class Render {
+ public:
+  struct SubStreamWindowProperties {
+    Params params_;
+    PeerPtr* peer_ = nullptr;
+    std::string audio_label_ = "control_audio";
+    std::string data_label_ = "control_data";
+    std::string local_id_ = "";
+    std::string remote_id_ = "";
+    bool exit_ = false;
+    bool signal_connected_ = false;
+    SignalStatus signal_status_ = SignalStatus::SignalClosed;
+    bool connection_established_ = false;
+    bool rejoin_ = false;
+    bool net_traffic_stats_button_pressed_ = false;
+    bool mouse_control_button_pressed_ = false;
+    bool mouse_controller_is_started_ = false;
+    bool audio_capture_button_pressed_ = false;
+    bool control_mouse_ = false;
+    bool streaming_ = false;
+    bool is_control_bar_in_left_ = true;
+    bool control_bar_hovered_ = false;
+    bool display_selectable_hovered_ = false;
+    bool control_bar_expand_ = true;
+    bool reset_control_bar_pos_ = false;
+    bool control_window_width_is_changing_ = false;
+    bool control_window_height_is_changing_ = false;
+    bool p2p_mode_ = true;
+    bool remember_password_ = false;
+    char remote_password_[7] = "";
+    float sub_stream_window_width_ = 1280;
+    float sub_stream_window_height_ = 720;
+    float control_window_min_width_ = 20;
+    float control_window_max_width_ = 230;
+    float control_window_min_height_ = 40;
+    float control_window_max_height_ = 170;
+    float control_window_width_ = 230;
+    float control_window_height_ = 40;
+    float control_bar_pos_x_ = 0;
+    float control_bar_pos_y_ = 30;
+    float mouse_diff_control_bar_pos_x_ = 0;
+    float mouse_diff_control_bar_pos_y_ = 0;
+    double control_bar_button_pressed_time_ = 0;
+    double net_traffic_stats_button_pressed_time_ = 0;
+    unsigned char* dst_buffer_ = nullptr;
+    size_t dst_buffer_capacity_ = 0;
+    float mouse_pos_x_ = 0;
+    float mouse_pos_y_ = 0;
+    float mouse_pos_x_last_ = 0;
+    float mouse_pos_y_last_ = 0;
+    int texture_width_ = 1280;
+    int texture_height_ = 720;
+    int video_width_ = 0;
+    int video_height_ = 0;
+    int video_width_last_ = 0;
+    int video_height_last_ = 0;
+    int selected_display_ = 0;
+    size_t video_size_ = 0;
+    bool tab_selected_ = false;
+    bool tab_opened_ = true;
+    std::optional<float> pos_x_before_docked_;
+    std::optional<float> pos_y_before_docked_;
+    float render_window_x_ = 0;
+    float render_window_y_ = 0;
+    float render_window_width_ = 0;
+    float render_window_height_ = 0;
+    std::string fullscreen_button_label_ = "Fullscreen";
+    std::string net_traffic_stats_button_label_ = "Show Net Traffic Stats";
+    std::string mouse_control_button_label_ = "Mouse Control";
+    std::string audio_capture_button_label_ = "Audio Capture";
+    std::string remote_host_name_ = "";
+    std::vector<DisplayInfo> display_info_list_;
+    SDL_Texture* stream_texture_ = nullptr;
+    uint8_t* argb_buffer_ = nullptr;
+    int argb_buffer_size_ = 0;
+    SDL_Rect stream_render_rect_;
+    SDL_Rect stream_render_rect_last_;
+    ImVec2 control_window_pos_;
+    ConnectionStatus connection_status_ = ConnectionStatus::Closed;
+    TraversalMode traversal_mode_ = TraversalMode::UnknownMode;
+    int fps_ = 0;
+    int frame_count_ = 0;
+    std::chrono::steady_clock::time_point last_time_;
+    XNetTrafficStats net_traffic_stats_;
+  };
+
+ public:
+  Render();
+  ~Render();
+
+ public:
+  int Run();
+
+ private:
+  void InitializeLogger();
+  void InitializeSettings();
+  void InitializeSDL();
+  void InitializeModules();
+  void InitializeMainWindow();
+  void MainLoop();
+  void UpdateLabels();
+  void UpdateInteractions();
+  void HandleRecentConnections();
+  void HandleStreamWindow();
+  void Cleanup();
+  void CleanupFactories();
+  void CleanupPeer(std::shared_ptr<SubStreamWindowProperties> props);
+  void CleanupPeers();
+  void CleanSubStreamWindowProperties(
+      std::shared_ptr<SubStreamWindowProperties> props);
+  void UpdateRenderRect();
+  void ProcessSdlEvent(const SDL_Event& event);
+
+ private:
+  int CreateStreamRenderWindow();
+  int TitleBar(bool main_window);
+  int MainWindow();
+  int StreamWindow();
+  int LocalWindow();
+  int RemoteWindow();
+  int RecentConnectionsWindow();
+  int SettingWindow();
+  int SelfHostedServerWindow();
+  int ShowSimpleFileBrowser();
+  int ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props);
+  int ControlBar(std::shared_ptr<SubStreamWindowProperties>& props);
+  int AboutWindow();
+  int StatusBar();
+  bool ConnectionStatusWindow(
+      std::shared_ptr<SubStreamWindowProperties>& props);
+  int ShowRecentConnections();
+
+ private:
+  int ConnectTo(const std::string& remote_id, const char* password,
+                bool remember_password);
+  int CreateMainWindow();
+  int DestroyMainWindow();
+  int CreateStreamWindow();
+  int DestroyStreamWindow();
+  int SetupFontAndStyle();
+  int SetupMainWindow();
+  int DestroyMainWindowContext();
+  int SetupStreamWindow();
+  int DestroyStreamWindowContext();
+  int DrawMainWindow();
+  int DrawStreamWindow();
+  int ConfirmDeleteConnection();
+  int NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props);
+  void DrawConnectionStatusText(
+      std::shared_ptr<SubStreamWindowProperties>& props);
+
+ public:
+  static void OnReceiveVideoBufferCb(const XVideoFrame* video_frame,
+                                     const char* user_id, size_t user_id_size,
+                                     void* user_data);
+
+  static void OnReceiveAudioBufferCb(const char* data, size_t size,
+                                     const char* user_id, size_t user_id_size,
+                                     void* user_data);
+
+  static void OnReceiveDataBufferCb(const char* data, size_t size,
+                                    const char* user_id, size_t user_id_size,
+                                    void* user_data);
+
+  static void OnSignalStatusCb(SignalStatus status, const char* user_id,
+                               size_t user_id_size, void* user_data);
+
+  static void OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
+                                   size_t user_id_size, void* user_data);
+
+  static void NetStatusReport(const char* client_id, size_t client_id_size,
+                              TraversalMode mode,
+                              const XNetTrafficStats* net_traffic_stats,
+                              const char* user_id, const size_t user_id_size,
+                              void* user_data);
+
+  static SDL_HitTestResult HitTestCallback(SDL_Window* window,
+                                           const SDL_Point* area, void* data);
+
+  static std::vector<char> SerializeRemoteAction(const RemoteAction& action);
+
+  static bool DeserializeRemoteAction(const char* data, size_t size,
+                                      RemoteAction& out);
+
+  static void FreeRemoteAction(RemoteAction& action);
+
+ private:
+  int SendKeyCommand(int key_code, bool is_down);
+  int ProcessMouseEvent(const SDL_Event& event);
+
+  static void SdlCaptureAudioIn(void* userdata, Uint8* stream, int len);
+  static void SdlCaptureAudioOut(void* userdata, Uint8* stream, int len);
+
+ private:
+  int SaveSettingsIntoCacheFile();
+  int LoadSettingsFromCacheFile();
+
+  int ScreenCapturerInit();
+  int StartScreenCapturer();
+  int StopScreenCapturer();
+
+  int StartSpeakerCapturer();
+  int StopSpeakerCapturer();
+
+  int StartMouseController();
+  int StopMouseController();
+
+  int StartKeyboardCapturer();
+  int StopKeyboardCapturer();
+
+  int CreateConnectionPeer();
+
+  int AudioDeviceInit();
+  int AudioDeviceDestroy();
+
+ private:
+  struct CDCache {
+    char client_id_with_password[17];
+    int language;
+    int video_quality;
+    int video_frame_rate;
+    int video_encode_format;
+    bool enable_hardware_video_codec;
+    bool enable_turn;
+    bool enable_srtp;
+
+    unsigned char key[16];
+    unsigned char iv[16];
+  };
+
+ private:
+  CDCache cd_cache_;
+  std::mutex cd_cache_mutex_;
+  std::unique_ptr<ConfigCenter> config_center_;
+  ConfigCenter::LANGUAGE localization_language_ =
+      ConfigCenter::LANGUAGE::CHINESE;
+  std::unique_ptr<PathManager> path_manager_;
+  std::string cert_path_;
+  std::string exec_log_path_;
+  std::string dll_log_path_;
+  std::string cache_path_;
+  int localization_language_index_ = -1;
+  int localization_language_index_last_ = -1;
+  bool modules_inited_ = false;
+  /* ------ all windows property start ------ */
+  float title_bar_width_ = 640;
+  float title_bar_height_ = 30;
+  /* ------ all windows property end ------ */
+
+  /* ------ main window property start ------ */
+  // thumbnail
+  unsigned char aes128_key_[16];
+  unsigned char aes128_iv_[16];
+  std::unique_ptr<Thumbnail> thumbnail_;
+
+  // recent connections
+  std::vector<std::pair<std::string, Thumbnail::RecentConnection>>
+      recent_connections_;
+  int recent_connection_image_width_ = 160;
+  int recent_connection_image_height_ = 90;
+  uint32_t recent_connection_image_save_time_ = 0;
+
+  // main window render
+  SDL_Window* main_window_ = nullptr;
+  SDL_Renderer* main_renderer_ = nullptr;
+  ImGuiContext* main_ctx_ = nullptr;
+  bool exit_ = false;
+  const int sdl_refresh_ms_ = 16;  // ~60 FPS
+#if _WIN32
+  std::unique_ptr<WinTray> tray_;
+#endif
+
+  // main window properties
+  bool start_mouse_controller_ = false;
+  bool mouse_controller_is_started_ = false;
+  bool start_screen_capturer_ = false;
+  bool screen_capturer_is_started_ = false;
+  bool start_keyboard_capturer_ = false;
+  bool keyboard_capturer_is_started_ = false;
+  bool foucs_on_main_window_ = false;
+  bool foucs_on_stream_window_ = false;
+  bool audio_capture_ = false;
+  int main_window_width_real_ = 720;
+  int main_window_height_real_ = 540;
+  float main_window_dpi_scaling_w_ = 1.0f;
+  float main_window_dpi_scaling_h_ = 1.0f;
+  float main_window_width_default_ = 640;
+  float main_window_height_default_ = 480;
+  float main_window_width_ = 640;
+  float main_window_height_ = 480;
+  float main_window_width_last_ = 640;
+  float main_window_height_last_ = 480;
+  float local_window_width_ = 320;
+  float local_window_height_ = 235;
+  float remote_window_width_ = 320;
+  float remote_window_height_ = 235;
+  float local_child_window_width_ = 266;
+  float local_child_window_height_ = 180;
+  float remote_child_window_width_ = 266;
+  float remote_child_window_height_ = 180;
+  float main_window_text_y_padding_ = 10;
+  float main_child_window_x_padding_ = 27;
+  float main_child_window_y_padding_ = 45;
+  float status_bar_height_ = 22;
+  float connection_status_window_width_ = 200;
+  float connection_status_window_height_ = 150;
+  float notification_window_width_ = 200;
+  float notification_window_height_ = 80;
+  float about_window_width_ = 300;
+  float about_window_height_ = 170;
+  int screen_width_ = 1280;
+  int screen_height_ = 720;
+  int selected_display_ = 0;
+  std::string connect_button_label_ = "Connect";
+  char input_password_tmp_[7] = "";
+  char input_password_[7] = "";
+  std::string random_password_ = "";
+  char new_password_[7] = "";
+  char remote_id_display_[12] = "";
+  unsigned char audio_buffer_[720];
+  int audio_len_ = 0;
+  bool audio_buffer_fresh_ = false;
+  bool need_to_rejoin_ = false;
+  bool just_created_ = false;
+  std::string controlled_remote_id_ = "";
+  std::string focused_remote_id_ = "";
+  bool need_to_send_host_info_ = false;
+  SDL_Event last_mouse_event;
+  SDL_AudioStream* output_stream_;
+  uint32_t STREAM_REFRESH_EVENT = 0;
+
+  // stream window render
+  SDL_Window* stream_window_ = nullptr;
+  SDL_Renderer* stream_renderer_ = nullptr;
+  ImGuiContext* stream_ctx_ = nullptr;
+
+  // stream window properties
+  bool need_to_create_stream_window_ = false;
+  bool stream_window_created_ = false;
+  bool stream_window_inited_ = false;
+  bool window_maximized_ = false;
+  bool stream_window_grabbed_ = false;
+  bool control_mouse_ = false;
+  int stream_window_width_default_ = 1280;
+  int stream_window_height_default_ = 720;
+  float stream_window_width_ = 1280;
+  float stream_window_height_ = 720;
+  SDL_PixelFormat stream_pixformat_ = SDL_PIXELFORMAT_NV12;
+  int stream_window_width_real_ = 1280;
+  int stream_window_height_real_ = 720;
+  float stream_window_dpi_scaling_w_ = 1.0f;
+  float stream_window_dpi_scaling_h_ = 1.0f;
+
+  bool label_inited_ = false;
+  bool connect_button_pressed_ = false;
+  bool password_validating_ = false;
+  uint32_t password_validating_time_ = 0;
+  bool show_settings_window_ = false;
+  bool show_self_hosted_server_config_window_ = false;
+  bool rejoin_ = false;
+  bool local_id_copied_ = false;
+  bool show_password_ = true;
+  bool show_about_window_ = false;
+  bool show_connection_status_window_ = false;
+  bool show_reset_password_window_ = false;
+  bool fullscreen_button_pressed_ = false;
+  bool focus_on_input_widget_ = true;
+  bool is_client_mode_ = false;
+  bool reload_recent_connections_ = true;
+  bool show_confirm_delete_connection_ = false;
+  bool delete_connection_ = false;
+  bool is_tab_bar_hovered_ = false;
+  std::string delete_connection_name_ = "";
+  bool re_enter_remote_id_ = false;
+  double copy_start_time_ = 0;
+  SignalStatus signal_status_ = SignalStatus::SignalClosed;
+  std::string signal_status_str_ = "";
+  bool signal_connected_ = false;
+  PeerPtr* peer_ = nullptr;
+  PeerPtr* peer_reserved_ = nullptr;
+  std::string video_primary_label_ = "primary_display";
+  std::string video_secondary_label_ = "secondary_display";
+  std::string audio_label_ = "audio";
+  std::string data_label_ = "data";
+  Params params_;
+  SDL_AudioDeviceID input_dev_;
+  SDL_AudioDeviceID output_dev_;
+  ScreenCapturerFactory* screen_capturer_factory_ = nullptr;
+  ScreenCapturer* screen_capturer_ = nullptr;
+  SpeakerCapturerFactory* speaker_capturer_factory_ = nullptr;
+  SpeakerCapturer* speaker_capturer_ = nullptr;
+  DeviceControllerFactory* device_controller_factory_ = nullptr;
+  MouseController* mouse_controller_ = nullptr;
+  KeyboardCapturer* keyboard_capturer_ = nullptr;
+  std::vector<DisplayInfo> display_info_list_;
+  uint64_t last_frame_time_;
+  char client_id_[10] = "";
+  char client_id_display_[12] = "";
+  char client_id_with_password_[17] = "";
+  char password_saved_[7] = "";
+  int language_button_value_ = 0;
+  int video_quality_button_value_ = 0;
+  int video_frame_rate_button_value_ = 0;
+  int video_encode_format_button_value_ = 0;
+  bool enable_hardware_video_codec_ = false;
+  bool enable_turn_ = false;
+  bool enable_srtp_ = false;
+  char signal_server_ip_[256] = "api.crossdesk.cn";
+  char signal_server_port_[6] = "9099";
+  char coturn_server_port_[6] = "3478";
+  char cert_file_path_[256] = "";
+  bool enable_self_hosted_server_ = false;
+  int language_button_value_last_ = 0;
+  int video_quality_button_value_last_ = 0;
+  int video_encode_format_button_value_last_ = 0;
+  bool enable_hardware_video_codec_last_ = false;
+  bool enable_turn_last_ = false;
+  bool enable_srtp_last_ = false;
+  bool enable_minimize_to_tray_ = false;
+  bool enable_minimize_to_tray_last_ = false;
+  char signal_server_ip_self_[256] = "";
+  char signal_server_port_self_[6] = "";
+  char coturn_server_port_self_[6] = "";
+  std::string tls_cert_path_self_ = "";
+  bool settings_window_pos_reset_ = true;
+  bool self_hosted_server_config_window_pos_reset_ = true;
+  std::string selected_current_file_path_ = "";
+  bool show_file_browser_ = true;
+  /* ------ main window property end ------ */
+
+  /* ------ sub stream window property start ------ */
+  std::unordered_map<std::string, std::shared_ptr<SubStreamWindowProperties>>
+      client_properties_;
+  void CloseTab(decltype(client_properties_)::iterator& it);
+  /* ------ stream window property end ------ */
+};
+}  // namespace crossdesk
+#endif

src/gui/render_callback.cpp

@@ -0,0 +1,548 @@
+#include "device_controller.h"
+#include "localization.h"
+#include "platform.h"
+#include "rd_log.h"
+#include "render.h"
+
+#define NV12_BUFFER_SIZE 1280 * 720 * 3 / 2
+
+#ifdef DESK_PORT_DEBUG
+#else
+#define MOUSE_CONTROL 1
+#endif
+
+namespace crossdesk {
+
+int Render::SendKeyCommand(int key_code, bool is_down) {
+  RemoteAction remote_action;
+  remote_action.type = ControlType::keyboard;
+  if (is_down) {
+    remote_action.k.flag = KeyFlag::key_down;
+  } else {
+    remote_action.k.flag = KeyFlag::key_up;
+  }
+  remote_action.k.key_value = key_code;
+
+  if (!controlled_remote_id_.empty()) {
+    if (client_properties_.find(controlled_remote_id_) !=
+        client_properties_.end()) {
+      auto props = client_properties_[controlled_remote_id_];
+      if (props->connection_status_ == ConnectionStatus::Connected) {
+        SendDataFrame(props->peer_, (const char*)&remote_action,
+                      sizeof(remote_action), props->data_label_.c_str());
+      }
+    }
+  }
+
+  return 0;
+}
+
+int Render::ProcessMouseEvent(const SDL_Event& event) {
+  controlled_remote_id_ = "";
+  int video_width, video_height = 0;
+  int render_width, render_height = 0;
+  float ratio_x, ratio_y = 0;
+  RemoteAction remote_action;
+
+  for (auto& it : client_properties_) {
+    auto props = it.second;
+    if (!props->control_mouse_) {
+      continue;
+    }
+
+    if (event.button.x >= props->stream_render_rect_.x &&
+        event.button.x <=
+            props->stream_render_rect_.x + props->stream_render_rect_.w &&
+        event.button.y >= props->stream_render_rect_.y &&
+        event.button.y <=
+            props->stream_render_rect_.y + props->stream_render_rect_.h) {
+      controlled_remote_id_ = it.first;
+      render_width = props->stream_render_rect_.w;
+      render_height = props->stream_render_rect_.h;
+      last_mouse_event.button.x = event.button.x;
+      last_mouse_event.button.y = event.button.y;
+
+      remote_action.m.x =
+          (float)(event.button.x - props->stream_render_rect_.x) / render_width;
+      remote_action.m.y =
+          (float)(event.button.y - props->stream_render_rect_.y) /
+          render_height;
+
+      if (SDL_EVENT_MOUSE_BUTTON_DOWN == event.type) {
+        remote_action.type = ControlType::mouse;
+        if (SDL_BUTTON_LEFT == event.button.button) {
+          remote_action.m.flag = MouseFlag::left_down;
+        } else if (SDL_BUTTON_RIGHT == event.button.button) {
+          remote_action.m.flag = MouseFlag::right_down;
+        } else if (SDL_BUTTON_MIDDLE == event.button.button) {
+          remote_action.m.flag = MouseFlag::middle_down;
+        }
+      } else if (SDL_EVENT_MOUSE_BUTTON_UP == event.type) {
+        remote_action.type = ControlType::mouse;
+        if (SDL_BUTTON_LEFT == event.button.button) {
+          remote_action.m.flag = MouseFlag::left_up;
+        } else if (SDL_BUTTON_RIGHT == event.button.button) {
+          remote_action.m.flag = MouseFlag::right_up;
+        } else if (SDL_BUTTON_MIDDLE == event.button.button) {
+          remote_action.m.flag = MouseFlag::middle_up;
+        }
+      } else if (SDL_EVENT_MOUSE_MOTION == event.type) {
+        remote_action.type = ControlType::mouse;
+        remote_action.m.flag = MouseFlag::move;
+      }
+
+      if (props->control_bar_hovered_ || props->display_selectable_hovered_) {
+        remote_action.m.flag = MouseFlag::move;
+      }
+      SendDataFrame(props->peer_, (const char*)&remote_action,
+                    sizeof(remote_action), props->data_label_.c_str());
+    } else if (SDL_EVENT_MOUSE_WHEEL == event.type &&
+               last_mouse_event.button.x >= props->stream_render_rect_.x &&
+               last_mouse_event.button.x <= props->stream_render_rect_.x +
+                                                props->stream_render_rect_.w &&
+               last_mouse_event.button.y >= props->stream_render_rect_.y &&
+               last_mouse_event.button.y <= props->stream_render_rect_.y +
+                                                props->stream_render_rect_.h) {
+      int scroll_x = event.wheel.x;
+      int scroll_y = event.wheel.y;
+      if (event.wheel.direction == SDL_MOUSEWHEEL_FLIPPED) {
+        scroll_x = -scroll_x;
+        scroll_y = -scroll_y;
+      }
+
+      remote_action.type = ControlType::mouse;
+      if (scroll_x == 0) {
+        remote_action.m.flag = MouseFlag::wheel_vertical;
+        remote_action.m.s = scroll_y;
+      } else if (scroll_y == 0) {
+        remote_action.m.flag = MouseFlag::wheel_horizontal;
+        remote_action.m.s = scroll_x;
+      }
+
+      render_width = props->stream_render_rect_.w;
+      render_height = props->stream_render_rect_.h;
+      remote_action.m.x =
+          (float)(event.button.x - props->stream_render_rect_.x) / render_width;
+      remote_action.m.y =
+          (float)(event.button.y - props->stream_render_rect_.y) /
+          render_height;
+
+      SendDataFrame(props->peer_, (const char*)&remote_action,
+                    sizeof(remote_action), props->data_label_.c_str());
+    }
+  }
+
+  return 0;
+}
+
+void Render::SdlCaptureAudioIn(void* userdata, Uint8* stream, int len) {
+  Render* render = (Render*)userdata;
+  if (!render) {
+    return;
+  }
+
+  if (1) {
+    for (auto it : render->client_properties_) {
+      auto props = it.second;
+      if (props->connection_status_ == ConnectionStatus::Connected) {
+        SendAudioFrame(props->peer_, (const char*)stream, len,
+                       render->audio_label_.c_str());
+      }
+    }
+
+  } else {
+    memcpy(render->audio_buffer_, stream, len);
+    render->audio_len_ = len;
+    SDL_Delay(10);
+    render->audio_buffer_fresh_ = true;
+  }
+}
+
+void Render::SdlCaptureAudioOut([[maybe_unused]] void* userdata,
+                                [[maybe_unused]] Uint8* stream,
+                                [[maybe_unused]] int len) {
+  // Render *render = (Render *)userdata;
+  // for (auto it : render->client_properties_) {
+  //   auto props = it.second;
+  //   if (props->connection_status_ == SignalStatus::SignalConnected) {
+  //     SendAudioFrame(props->peer_, (const char *)stream, len);
+  //   }
+  // }
+
+  // if (!render->audio_buffer_fresh_) {
+  //   return;
+  // }
+
+  // SDL_memset(stream, 0, len);
+
+  // if (render->audio_len_ == 0) {
+  //   return;
+  // } else {
+  // }
+
+  // len = (len > render->audio_len_ ? render->audio_len_ : len);
+  // SDL_MixAudioFormat(stream, render->audio_buffer_, AUDIO_S16LSB, len,
+  //                    SDL_MIX_MAXVOLUME);
+  // render->audio_buffer_fresh_ = false;
+}
+
+void Render::OnReceiveVideoBufferCb(const XVideoFrame* video_frame,
+                                    const char* user_id, size_t user_id_size,
+                                    void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) {
+    return;
+  }
+
+  std::string remote_id(user_id, user_id_size);
+  if (render->client_properties_.find(remote_id) ==
+      render->client_properties_.end()) {
+    return;
+  }
+  SubStreamWindowProperties* props =
+      render->client_properties_.find(remote_id)->second.get();
+
+  if (props->connection_established_) {
+    if (!props->dst_buffer_) {
+      props->dst_buffer_capacity_ = video_frame->size;
+      props->dst_buffer_ = new unsigned char[video_frame->size];
+    }
+
+    if (props->dst_buffer_capacity_ < video_frame->size) {
+      delete props->dst_buffer_;
+      props->dst_buffer_capacity_ = video_frame->size;
+      props->dst_buffer_ = new unsigned char[video_frame->size];
+    }
+
+    memcpy(props->dst_buffer_, video_frame->data, video_frame->size);
+    bool need_to_update_render_rect = false;
+    if (props->video_width_ != props->video_width_last_ ||
+        props->video_height_ != props->video_height_last_) {
+      need_to_update_render_rect = true;
+      props->video_width_last_ = props->video_width_;
+      props->video_height_last_ = props->video_height_;
+    }
+    props->video_width_ = video_frame->width;
+    props->video_height_ = video_frame->height;
+    props->video_size_ = video_frame->size;
+
+    if (need_to_update_render_rect) {
+      render->UpdateRenderRect();
+    }
+
+    SDL_Event event;
+    event.type = render->STREAM_REFRESH_EVENT;
+    event.user.data1 = props;
+    SDL_PushEvent(&event);
+    props->streaming_ = true;
+
+    if (props->net_traffic_stats_button_pressed_) {
+      props->frame_count_++;
+      auto now = std::chrono::steady_clock::now();
+      auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
+                         now - props->last_time_)
+                         .count();
+
+      if (elapsed >= 1000) {
+        props->fps_ = props->frame_count_ * 1000 / elapsed;
+        props->frame_count_ = 0;
+        props->last_time_ = now;
+      }
+    }
+  }
+}
+
+void Render::OnReceiveAudioBufferCb(const char* data, size_t size,
+                                    const char* user_id, size_t user_id_size,
+                                    void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) {
+    return;
+  }
+
+  render->audio_buffer_fresh_ = true;
+
+  if (render->output_stream_) {
+    int pushed = SDL_PutAudioStreamData(
+        render->output_stream_, (const Uint8*)data, static_cast<int>(size));
+    if (pushed < 0) {
+      LOG_ERROR("Failed to push audio data: {}", SDL_GetError());
+    }
+  }
+}
+
+void Render::OnReceiveDataBufferCb(const char* data, size_t size,
+                                   const char* user_id, size_t user_id_size,
+                                   void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) {
+    return;
+  }
+
+  RemoteAction remote_action;
+  memcpy(&remote_action, data, size);
+
+  std::string remote_id(user_id, user_id_size);
+  if (render->client_properties_.find(remote_id) !=
+      render->client_properties_.end()) {
+    // local
+    auto props = render->client_properties_.find(remote_id)->second;
+    RemoteAction host_info;
+    if (DeserializeRemoteAction(data, size, host_info)) {
+      if (ControlType::host_infomation == host_info.type &&
+          props->remote_host_name_.empty()) {
+        props->remote_host_name_ =
+            std::string(host_info.i.host_name, host_info.i.host_name_size);
+        LOG_INFO("Remote hostname: [{}]", props->remote_host_name_);
+
+        for (int i = 0; i < host_info.i.display_num; i++) {
+          props->display_info_list_.push_back(DisplayInfo(
+              std::string(host_info.i.display_list[i]), host_info.i.left[i],
+              host_info.i.top[i], host_info.i.right[i], host_info.i.bottom[i]));
+          LOG_INFO("Remote display [{}:{}], bound [({}, {}) ({}, {})]", i + 1,
+                   props->display_info_list_[i].name,
+                   props->display_info_list_[i].left,
+                   props->display_info_list_[i].top,
+                   props->display_info_list_[i].right,
+                   props->display_info_list_[i].bottom);
+        }
+      }
+    } else {
+      props->remote_host_name_ = std::string(remote_action.i.host_name,
+                                             remote_action.i.host_name_size);
+      LOG_INFO("Remote hostname: [{}]", props->remote_host_name_);
+      LOG_ERROR("No remote display detected");
+    }
+    FreeRemoteAction(host_info);
+  } else {
+    // remote
+    if (ControlType::mouse == remote_action.type && render->mouse_controller_) {
+      render->mouse_controller_->SendMouseCommand(remote_action,
+                                                  render->selected_display_);
+    } else if (ControlType::audio_capture == remote_action.type) {
+      if (remote_action.a) {
+        render->StartSpeakerCapturer();
+        render->audio_capture_ = true;
+      } else {
+        render->StopSpeakerCapturer();
+        render->audio_capture_ = false;
+      }
+    } else if (ControlType::keyboard == remote_action.type &&
+               render->keyboard_capturer_) {
+      render->keyboard_capturer_->SendKeyboardCommand(
+          (int)remote_action.k.key_value,
+          remote_action.k.flag == KeyFlag::key_down);
+    } else if (ControlType::display_id == remote_action.type) {
+      if (render->screen_capturer_) {
+        render->selected_display_ = remote_action.d;
+        render->screen_capturer_->SwitchTo(remote_action.d);
+      }
+    }
+  }
+}
+
+void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
+                              size_t user_id_size, void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) {
+    return;
+  }
+
+  std::string client_id(user_id, user_id_size);
+  if (client_id == render->client_id_) {
+    render->signal_status_ = status;
+    if (SignalStatus::SignalConnecting == status) {
+      render->signal_connected_ = false;
+    } else if (SignalStatus::SignalConnected == status) {
+      render->signal_connected_ = true;
+      LOG_INFO("[{}] connected to signal server", client_id);
+    } else if (SignalStatus::SignalFailed == status) {
+      render->signal_connected_ = false;
+    } else if (SignalStatus::SignalClosed == status) {
+      render->signal_connected_ = false;
+    } else if (SignalStatus::SignalReconnecting == status) {
+      render->signal_connected_ = false;
+    } else if (SignalStatus::SignalServerClosed == status) {
+      render->signal_connected_ = false;
+    }
+  } else {
+    if (client_id.rfind("C-", 0) != 0) {
+      return;
+    }
+
+    std::string remote_id(client_id.begin() + 2, client_id.end());
+    if (render->client_properties_.find(remote_id) ==
+        render->client_properties_.end()) {
+      return;
+    }
+    auto props = render->client_properties_.find(remote_id)->second;
+    props->signal_status_ = status;
+    if (SignalStatus::SignalConnecting == status) {
+      props->signal_connected_ = false;
+    } else if (SignalStatus::SignalConnected == status) {
+      props->signal_connected_ = true;
+      LOG_INFO("[{}] connected to signal server", remote_id);
+    } else if (SignalStatus::SignalFailed == status) {
+      props->signal_connected_ = false;
+    } else if (SignalStatus::SignalClosed == status) {
+      props->signal_connected_ = false;
+    } else if (SignalStatus::SignalReconnecting == status) {
+      props->signal_connected_ = false;
+    } else if (SignalStatus::SignalServerClosed == status) {
+      props->signal_connected_ = false;
+    }
+  }
+}
+
+void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
+                                  const size_t user_id_size, void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) return;
+
+  std::string remote_id(user_id, user_id_size);
+  auto it = render->client_properties_.find(remote_id);
+  auto props = (it != render->client_properties_.end()) ? it->second : nullptr;
+
+  if (props) {
+    render->is_client_mode_ = true;
+    render->show_connection_status_window_ = true;
+    props->connection_status_ = status;
+
+    switch (status) {
+      case ConnectionStatus::Connected:
+        if (!render->need_to_create_stream_window_ &&
+            !render->client_properties_.empty()) {
+          render->need_to_create_stream_window_ = true;
+        }
+        props->connection_established_ = true;
+        props->stream_render_rect_ = {
+            0, (int)render->title_bar_height_,
+            (int)render->stream_window_width_,
+            (int)(render->stream_window_height_ - render->title_bar_height_)};
+        break;
+      case ConnectionStatus::Disconnected:
+      case ConnectionStatus::Failed:
+      case ConnectionStatus::Closed:
+        render->password_validating_time_ = 0;
+        render->start_screen_capturer_ = false;
+        render->start_mouse_controller_ = false;
+        render->start_keyboard_capturer_ = false;
+        render->control_mouse_ = false;
+        props->connection_established_ = false;
+        props->mouse_control_button_pressed_ = false;
+        if (props->dst_buffer_) {
+          memset(props->dst_buffer_, 0, props->dst_buffer_capacity_);
+          SDL_UpdateTexture(props->stream_texture_, NULL, props->dst_buffer_,
+                            props->texture_width_);
+        }
+        render->CleanSubStreamWindowProperties(props);
+        break;
+      case ConnectionStatus::IncorrectPassword:
+        render->password_validating_ = false;
+        render->password_validating_time_++;
+        if (render->connect_button_pressed_) {
+          render->connect_button_pressed_ = false;
+          props->connection_established_ = false;
+          render->connect_button_label_ =
+              localization::connect[render->localization_language_index_];
+        }
+        break;
+      case ConnectionStatus::NoSuchTransmissionId:
+        if (render->connect_button_pressed_) {
+          props->connection_established_ = false;
+          render->connect_button_label_ =
+              localization::connect[render->localization_language_index_];
+        }
+        break;
+      default:
+        break;
+    }
+  } else {
+    render->is_client_mode_ = false;
+    render->show_connection_status_window_ = true;
+
+    switch (status) {
+      case ConnectionStatus::Connected:
+        render->need_to_send_host_info_ = true;
+        render->start_screen_capturer_ = true;
+        render->start_mouse_controller_ = true;
+        break;
+      case ConnectionStatus::Closed:
+        render->start_screen_capturer_ = false;
+        render->start_mouse_controller_ = false;
+        render->start_keyboard_capturer_ = false;
+        render->need_to_send_host_info_ = false;
+        if (props) props->connection_established_ = false;
+        if (render->audio_capture_) {
+          render->StopSpeakerCapturer();
+          render->audio_capture_ = false;
+        }
+        break;
+      default:
+        break;
+    }
+  }
+}
+
+void Render::NetStatusReport(const char* client_id, size_t client_id_size,
+                             TraversalMode mode,
+                             const XNetTrafficStats* net_traffic_stats,
+                             const char* user_id, const size_t user_id_size,
+                             void* user_data) {
+  Render* render = (Render*)user_data;
+  if (!render) {
+    return;
+  }
+
+  if (strchr(client_id, '@') != nullptr && strchr(user_id, '-') == nullptr) {
+    std::string id, password;
+    const char* at_pos = strchr(client_id, '@');
+    if (at_pos == nullptr) {
+      id = client_id;
+      password.clear();
+    } else {
+      id.assign(client_id, at_pos - client_id);
+      password = at_pos + 1;
+    }
+
+    memset(&render->client_id_, 0, sizeof(render->client_id_));
+    strncpy(render->client_id_, id.c_str(), sizeof(render->client_id_) - 1);
+    render->client_id_[sizeof(render->client_id_) - 1] = '\0';
+
+    memset(&render->password_saved_, 0, sizeof(render->password_saved_));
+    strncpy(render->password_saved_, password.c_str(),
+            sizeof(render->password_saved_) - 1);
+    render->password_saved_[sizeof(render->password_saved_) - 1] = '\0';
+
+    memset(&render->client_id_with_password_, 0,
+           sizeof(render->client_id_with_password_));
+    strncpy(render->client_id_with_password_, client_id,
+            sizeof(render->client_id_with_password_) - 1);
+    render->client_id_with_password_[sizeof(render->client_id_with_password_) -
+                                     1] = '\0';
+
+    LOG_INFO("Use client id [{}] and save id into cache file", id);
+    render->SaveSettingsIntoCacheFile();
+  }
+
+  std::string remote_id(user_id, user_id_size);
+  if (render->client_properties_.find(remote_id) ==
+      render->client_properties_.end()) {
+    return;
+  }
+  auto props = render->client_properties_.find(remote_id)->second;
+  if (props->traversal_mode_ != mode) {
+    props->traversal_mode_ = mode;
+    LOG_INFO("Net mode: [{}]", int(props->traversal_mode_));
+  }
+
+  if (!net_traffic_stats) {
+    return;
+  }
+
+  // only display client side net status if connected to itself
+  if (!(render->peer_reserved_ && !strstr(client_id, "C-"))) {
+    props->net_traffic_stats_ = *net_traffic_stats;
+  }
+}
+}  // namespace crossdesk

src/gui/toolbars/control_bar.cpp

@@ -0,0 +1,329 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int CountDigits(int number) {
+  if (number == 0) return 1;
+  return (int)std::floor(std::log10(std::abs(number))) + 1;
+}
+
+int BitrateDisplay(int bitrate) {
+  int num_of_digits = CountDigits(bitrate);
+  if (num_of_digits <= 3) {
+    ImGui::Text("%d bps", bitrate);
+  } else if (num_of_digits > 3 && num_of_digits <= 6) {
+    ImGui::Text("%d kbps", bitrate / 1000);
+  } else {
+    ImGui::Text("%.1f mbps", bitrate / 1000000.0f);
+  }
+  return 0;
+}
+
+int LossRateDisplay(float loss_rate) {
+  if (loss_rate < 0.01f) {
+    ImGui::Text("0%%");
+  } else {
+    ImGui::Text("%.0f%%", loss_rate * 100);
+  }
+  return 0;
+}
+
+int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+  if (props->control_bar_expand_) {
+    ImGui::SetCursorPosX(props->is_control_bar_in_left_
+                             ? (props->control_window_width_ + 5.0f)
+                             : 38.0f);
+    // mouse control button
+    ImDrawList* draw_list = ImGui::GetWindowDrawList();
+
+    if (props->is_control_bar_in_left_) {
+      draw_list->AddLine(ImVec2(ImGui::GetCursorScreenPos().x - 5.0f,
+                                ImGui::GetCursorScreenPos().y - 7.0f),
+                         ImVec2(ImGui::GetCursorScreenPos().x - 5.0f,
+                                ImGui::GetCursorScreenPos().y - 7.0f +
+                                    props->control_window_height_),
+                         IM_COL32(178, 178, 178, 255), 1.0f);
+    }
+
+    std::string display = ICON_FA_DISPLAY;
+    if (ImGui::Button(display.c_str(), ImVec2(25, 25))) {
+      ImGui::OpenPopup("display");
+    }
+
+    ImVec2 btn_min = ImGui::GetItemRectMin();
+    ImVec2 btn_size_actual = ImGui::GetItemRectSize();
+
+    if (ImGui::BeginPopup("display")) {
+      ImGui::SetWindowFontScale(0.5f);
+      for (int i = 0; i < props->display_info_list_.size(); i++) {
+        if (ImGui::Selectable(props->display_info_list_[i].name.c_str())) {
+          props->selected_display_ = i;
+
+          RemoteAction remote_action;
+          remote_action.type = ControlType::display_id;
+          remote_action.d = i;
+          if (props->connection_status_ == ConnectionStatus::Connected) {
+            SendDataFrame(props->peer_, (const char*)&remote_action,
+                          sizeof(remote_action), props->data_label_.c_str());
+          }
+        }
+        props->display_selectable_hovered_ = ImGui::IsWindowHovered();
+      }
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::EndPopup();
+    }
+
+    ImGui::SetWindowFontScale(0.6f);
+    ImVec2 text_size = ImGui::CalcTextSize(
+        std::to_string(props->selected_display_ + 1).c_str());
+    ImVec2 text_pos =
+        ImVec2(btn_min.x + (btn_size_actual.x - text_size.x) * 0.5f,
+               btn_min.y + (btn_size_actual.y - text_size.y) * 0.5f - 2.0f);
+    ImGui::GetWindowDrawList()->AddText(
+        text_pos, IM_COL32(0, 0, 0, 255),
+        std::to_string(props->selected_display_ + 1).c_str());
+    ImGui::SetWindowFontScale(1.0f);
+
+    ImGui::SameLine();
+    float disable_mouse_x = ImGui::GetCursorScreenPos().x + 4.0f;
+    float disable_mouse_y = ImGui::GetCursorScreenPos().y + 4.0f;
+    std::string mouse = props->mouse_control_button_pressed_
+                            ? ICON_FA_COMPUTER_MOUSE
+                            : ICON_FA_COMPUTER_MOUSE;
+    if (ImGui::Button(mouse.c_str(), ImVec2(25, 25))) {
+      if (props->connection_established_) {
+        start_keyboard_capturer_ = !start_keyboard_capturer_;
+        props->control_mouse_ = !props->control_mouse_;
+        props->mouse_control_button_pressed_ =
+            !props->mouse_control_button_pressed_;
+        props->mouse_control_button_label_ =
+            props->mouse_control_button_pressed_
+                ? localization::release_mouse[localization_language_index_]
+                : localization::control_mouse[localization_language_index_];
+      }
+    }
+    if (!props->mouse_control_button_pressed_) {
+      draw_list->AddLine(
+          ImVec2(disable_mouse_x, disable_mouse_y),
+          ImVec2(disable_mouse_x + 16.0f, disable_mouse_y + 14.2f),
+          IM_COL32(0, 0, 0, 255), 2.0f);
+      draw_list->AddLine(
+          ImVec2(disable_mouse_x - 1.2f, disable_mouse_y + 1.2f),
+          ImVec2(disable_mouse_x + 15.3f, disable_mouse_y + 15.4f),
+          ImGui::IsItemHovered() ? IM_COL32(66, 150, 250, 255)
+                                 : IM_COL32(179, 213, 253, 255),
+          2.0f);
+    }
+
+    ImGui::SameLine();
+    // audio capture button
+    float disable_audio_x = ImGui::GetCursorScreenPos().x + 4;
+    float disable_audio_y = ImGui::GetCursorScreenPos().y + 4.0f;
+    // std::string audio = audio_capture_button_pressed_ ? ICON_FA_VOLUME_HIGH
+    //                                                   :
+    //                                                   ICON_FA_VOLUME_XMARK;
+    std::string audio = props->audio_capture_button_pressed_
+                            ? ICON_FA_VOLUME_HIGH
+                            : ICON_FA_VOLUME_HIGH;
+    if (ImGui::Button(audio.c_str(), ImVec2(25, 25))) {
+      if (props->connection_established_) {
+        props->audio_capture_button_pressed_ =
+            !props->audio_capture_button_pressed_;
+        props->audio_capture_button_label_ =
+            props->audio_capture_button_pressed_
+                ? localization::audio_capture[localization_language_index_]
+                : localization::mute[localization_language_index_];
+
+        RemoteAction remote_action;
+        remote_action.type = ControlType::audio_capture;
+        remote_action.a = props->audio_capture_button_pressed_;
+        SendDataFrame(props->peer_, (const char*)&remote_action,
+                      sizeof(remote_action), props->data_label_.c_str());
+      }
+    }
+    if (!props->audio_capture_button_pressed_) {
+      draw_list->AddLine(
+          ImVec2(disable_audio_x, disable_audio_y),
+          ImVec2(disable_audio_x + 16.0f, disable_audio_y + 14.2f),
+          IM_COL32(0, 0, 0, 255), 2.0f);
+      draw_list->AddLine(
+          ImVec2(disable_audio_x - 1.2f, disable_audio_y + 1.2f),
+          ImVec2(disable_audio_x + 15.3f, disable_audio_y + 15.4f),
+          ImGui::IsItemHovered() ? IM_COL32(66, 150, 250, 255)
+                                 : IM_COL32(179, 213, 253, 255),
+          2.0f);
+    }
+
+    ImGui::SameLine();
+    // net traffic stats button
+    bool button_color_style_pushed = false;
+    if (props->net_traffic_stats_button_pressed_) {
+      ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(66 / 255.0f, 150 / 255.0f,
+                                                    250 / 255.0f, 1.0f));
+      button_color_style_pushed = true;
+    }
+    std::string net_traffic_stats = ICON_FA_SIGNAL;
+    if (ImGui::Button(net_traffic_stats.c_str(), ImVec2(25, 25))) {
+      props->net_traffic_stats_button_pressed_ =
+          !props->net_traffic_stats_button_pressed_;
+      props->control_window_height_is_changing_ = true;
+      props->net_traffic_stats_button_pressed_time_ = ImGui::GetTime();
+      props->net_traffic_stats_button_label_ =
+          props->net_traffic_stats_button_pressed_
+              ? localization::hide_net_traffic_stats
+                    [localization_language_index_]
+              : localization::show_net_traffic_stats
+                    [localization_language_index_];
+    }
+    if (button_color_style_pushed) {
+      ImGui::PopStyleColor();
+      button_color_style_pushed = false;
+    }
+
+    ImGui::SameLine();
+    // fullscreen button
+    std::string fullscreen =
+        fullscreen_button_pressed_ ? ICON_FA_COMPRESS : ICON_FA_EXPAND;
+    if (ImGui::Button(fullscreen.c_str(), ImVec2(25, 25))) {
+      fullscreen_button_pressed_ = !fullscreen_button_pressed_;
+      props->fullscreen_button_label_ =
+          fullscreen_button_pressed_
+              ? localization::exit_fullscreen[localization_language_index_]
+              : localization::fullscreen[localization_language_index_];
+
+      if (fullscreen_button_pressed_) {
+        SDL_SetWindowFullscreen(stream_window_, true);
+      } else {
+        SDL_SetWindowFullscreen(stream_window_, false);
+      }
+      props->reset_control_bar_pos_ = true;
+    }
+
+    ImGui::SameLine();
+    // close button
+    std::string close_button = ICON_FA_XMARK;
+    if (ImGui::Button(close_button.c_str(), ImVec2(25, 25))) {
+      CleanupPeer(props);
+    }
+
+    ImGui::SameLine();
+
+    if (!props->is_control_bar_in_left_) {
+      draw_list->AddLine(ImVec2(ImGui::GetCursorScreenPos().x - 3.0f,
+                                ImGui::GetCursorScreenPos().y - 7.0f),
+                         ImVec2(ImGui::GetCursorScreenPos().x - 3.0f,
+                                ImGui::GetCursorScreenPos().y - 7.0f +
+                                    props->control_window_height_),
+                         IM_COL32(178, 178, 178, 255), 1.0f);
+    }
+  }
+
+  ImGui::SetCursorPosX(props->is_control_bar_in_left_
+                           ? (props->control_window_width_ * 2 - 20.0f)
+                           : 5.0f);
+
+  std::string control_bar =
+      props->control_bar_expand_
+          ? (props->is_control_bar_in_left_ ? ICON_FA_ANGLE_LEFT
+                                            : ICON_FA_ANGLE_RIGHT)
+          : (props->is_control_bar_in_left_ ? ICON_FA_ANGLE_RIGHT
+                                            : ICON_FA_ANGLE_LEFT);
+  if (ImGui::Button(control_bar.c_str(), ImVec2(15, 25))) {
+    props->control_bar_expand_ = !props->control_bar_expand_;
+    props->control_bar_button_pressed_time_ = ImGui::GetTime();
+    props->control_window_width_is_changing_ = true;
+
+    if (!props->control_bar_expand_) {
+      props->control_window_height_ = 40;
+      props->net_traffic_stats_button_pressed_ = false;
+    }
+  }
+
+  if (props->net_traffic_stats_button_pressed_ && props->control_bar_expand_) {
+    NetTrafficStats(props);
+  }
+
+  ImGui::PopStyleVar();
+
+  return 0;
+}
+
+int Render::NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props) {
+  ImGui::SetCursorPos(ImVec2(props->is_control_bar_in_left_
+                                 ? (props->control_window_width_ + 5.0f)
+                                 : 5.0f,
+                             40.0f));
+
+  if (ImGui::BeginTable("NetTrafficStats", 4, ImGuiTableFlags_BordersH,
+                        ImVec2(props->control_window_max_width_ - 10.0f,
+                               props->control_window_max_height_ - 60.0f))) {
+    ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
+    ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch);
+    ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch);
+    ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
+
+    ImGui::TableNextColumn();
+    ImGui::Text(" ");
+    ImGui::TableNextColumn();
+    ImGui::Text("%s", localization::in[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    ImGui::Text("%s", localization::out[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    ImGui::Text("%s",
+                localization::loss_rate[localization_language_index_].c_str());
+
+    ImGui::TableNextColumn();
+    ImGui::Text("%s",
+                localization::video[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.video_inbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.video_outbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    LossRateDisplay(props->net_traffic_stats_.video_inbound_stats.loss_rate);
+
+    ImGui::TableNextColumn();
+    ImGui::Text("%s",
+                localization::audio[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.audio_inbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.audio_outbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    LossRateDisplay(props->net_traffic_stats_.audio_inbound_stats.loss_rate);
+
+    ImGui::TableNextColumn();
+    ImGui::Text("%s", localization::data[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.data_inbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.data_outbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    LossRateDisplay(props->net_traffic_stats_.data_inbound_stats.loss_rate);
+
+    ImGui::TableNextColumn();
+    ImGui::Text("%s",
+                localization::total[localization_language_index_].c_str());
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.total_inbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    BitrateDisplay((int)props->net_traffic_stats_.total_outbound_stats.bitrate);
+    ImGui::TableNextColumn();
+    LossRateDisplay(props->net_traffic_stats_.total_inbound_stats.loss_rate);
+
+    ImGui::TableNextColumn();
+    ImGui::Text("FPS");
+    ImGui::TableNextColumn();
+    ImGui::Text("%d", props->fps_);
+
+    ImGui::EndTable();
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/toolbars/status_bar.cpp

@@ -0,0 +1,41 @@
+#include "localization.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::StatusBar() {
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  static bool a, b, c, d, e;
+  ImGui::SetNextWindowPos(
+      ImVec2(0, main_window_height_default_ - status_bar_height_ - 1),
+      ImGuiCond_Always);
+
+  ImGui::BeginChild(
+      "StatusBar", ImVec2(main_window_width_, status_bar_height_ + 1),
+      ImGuiChildFlags_Border,
+      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBringToFrontOnFocus);
+
+  ImVec2 dot_pos =
+      ImVec2(13, main_window_height_default_ - status_bar_height_ + 11.0f);
+  ImDrawList* draw_list = ImGui::GetWindowDrawList();
+  draw_list->AddCircleFilled(dot_pos, 5.0f,
+                             ImColor(signal_connected_ ? 0.0f : 1.0f,
+                                     signal_connected_ ? 1.0f : 0.0f, 0.0f),
+                             100);
+  draw_list->AddCircle(dot_pos, 6.0f, ImColor(1.0f, 1.0f, 1.0f), 100);
+
+  ImGui::SetWindowFontScale(0.6f);
+  draw_list->AddText(
+      ImVec2(25, main_window_height_default_ - status_bar_height_ + 3.0f),
+      ImColor(0.0f, 0.0f, 0.0f),
+      signal_connected_
+          ? localization::signal_connected[localization_language_index_].c_str()
+          : localization::signal_disconnected[localization_language_index_]
+                .c_str());
+  ImGui::SetWindowFontScale(1.0f);
+
+  ImGui::PopStyleColor();
+  ImGui::EndChild();
+  return 0;
+}
+}  // namespace crossdesk

src/gui/toolbars/title_bar.cpp

@@ -0,0 +1,177 @@
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+#define BUTTON_PADDING 36.0f
+
+namespace crossdesk {
+
+int Render::TitleBar(bool main_window) {
+  ImGui::PushStyleColor(ImGuiCol_MenuBarBg, ImVec4(1.0f, 1.0f, 1.0f, 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
+  ImGui::SetWindowFontScale(0.8f);
+  ImGui::BeginChild(
+      main_window ? "MainTitleBar" : "StreamTitleBar",
+      ImVec2(main_window ? main_window_width_ : stream_window_width_,
+             title_bar_height_),
+      ImGuiChildFlags_Border,
+      ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDecoration |
+          ImGuiWindowFlags_NoBringToFrontOnFocus);
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::PopStyleColor();
+
+  ImDrawList* draw_list = ImGui::GetWindowDrawList();
+  if (ImGui::BeginMenuBar()) {
+    ImGui::SetCursorPosX(
+        (main_window ? main_window_width_ : stream_window_width_) -
+        (BUTTON_PADDING * 3 - 3));
+    ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(0, 0, 0, 0.1f));
+    ImGui::PushStyleColor(ImGuiCol_HeaderActive,
+                          ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+    if (main_window) {
+      float bar_pos_x = ImGui::GetCursorPosX() + 6;
+      float bar_pos_y = ImGui::GetCursorPosY() + 15;
+      std::string menu_button = "    ";  // ICON_FA_BARS;
+      if (ImGui::BeginMenu(menu_button.c_str())) {
+        ImGui::SetWindowFontScale(0.5f);
+        if (ImGui::MenuItem(
+                localization::settings[localization_language_index_].c_str())) {
+          show_settings_window_ = true;
+        }
+        if (ImGui::MenuItem(
+                localization::about[localization_language_index_].c_str())) {
+          show_about_window_ = true;
+        }
+        ImGui::SetWindowFontScale(1.0f);
+        ImGui::EndMenu();
+      }
+      float menu_bar_line_size = 15.0f;
+      draw_list->AddLine(ImVec2(bar_pos_x, bar_pos_y - 6),
+                         ImVec2(bar_pos_x + menu_bar_line_size, bar_pos_y - 6),
+                         IM_COL32(0, 0, 0, 255));
+      draw_list->AddLine(ImVec2(bar_pos_x, bar_pos_y),
+                         ImVec2(bar_pos_x + menu_bar_line_size, bar_pos_y),
+                         IM_COL32(0, 0, 0, 255));
+      draw_list->AddLine(ImVec2(bar_pos_x, bar_pos_y + 6),
+                         ImVec2(bar_pos_x + menu_bar_line_size, bar_pos_y + 6),
+                         IM_COL32(0, 0, 0, 255));
+
+      {
+        SettingWindow();
+        SelfHostedServerWindow();
+        AboutWindow();
+      }
+    }
+
+    ImGui::PopStyleColor(2);
+
+    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+    ImGui::SetCursorPosX(main_window
+                             ? (main_window_width_ - BUTTON_PADDING * 2)
+                             : (stream_window_width_ - BUTTON_PADDING * 3));
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0.1f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonActive,
+                          ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+
+    float minimize_pos_x = ImGui::GetCursorPosX() + 12;
+    float minimize_pos_y = ImGui::GetCursorPosY() + 15;
+    std::string window_minimize_button = "##minimize";  // ICON_FA_MINUS;
+    if (ImGui::Button(window_minimize_button.c_str(),
+                      ImVec2(BUTTON_PADDING, 30))) {
+      SDL_MinimizeWindow(main_window ? main_window_ : stream_window_);
+    }
+    draw_list->AddLine(ImVec2(minimize_pos_x, minimize_pos_y),
+                       ImVec2(minimize_pos_x + 12, minimize_pos_y),
+                       IM_COL32(0, 0, 0, 255));
+    ImGui::PopStyleColor(2);
+
+    if (!main_window) {
+      ImGui::SetCursorPosX(stream_window_width_ - BUTTON_PADDING * 2);
+      ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0.1f));
+      ImGui::PushStyleColor(ImGuiCol_ButtonActive,
+                            ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+
+      if (window_maximized_) {
+        float pos_x_top = ImGui::GetCursorPosX() + 11;
+        float pos_y_top = ImGui::GetCursorPosY() + 11;
+        float pos_x_bottom = ImGui::GetCursorPosX() + 13;
+        float pos_y_bottom = ImGui::GetCursorPosY() + 9;
+        std::string window_restore_button =
+            "##restore";  // ICON_FA_WINDOW_RESTORE;
+        if (ImGui::Button(window_restore_button.c_str(),
+                          ImVec2(BUTTON_PADDING, 30))) {
+          SDL_RestoreWindow(stream_window_);
+          window_maximized_ = false;
+        }
+        draw_list->AddRect(ImVec2(pos_x_top, pos_y_top),
+                           ImVec2(pos_x_top + 12, pos_y_top + 12),
+                           IM_COL32(0, 0, 0, 255));
+        draw_list->AddRect(ImVec2(pos_x_bottom, pos_y_bottom),
+                           ImVec2(pos_x_bottom + 12, pos_y_bottom + 12),
+                           IM_COL32(0, 0, 0, 255));
+        draw_list->AddRectFilled(ImVec2(pos_x_top + 1, pos_y_top + 1),
+                                 ImVec2(pos_x_top + 11, pos_y_top + 11),
+                                 IM_COL32(255, 255, 255, 255));
+      } else {
+        float maximize_pos_x = ImGui::GetCursorPosX() + 12;
+        float maximize_pos_y = ImGui::GetCursorPosY() + 10;
+        std::string window_maximize_button =
+            "##maximize";  // ICON_FA_SQUARE_FULL;
+        if (ImGui::Button(window_maximize_button.c_str(),
+                          ImVec2(BUTTON_PADDING, 30))) {
+          SDL_MaximizeWindow(stream_window_);
+          window_maximized_ = !window_maximized_;
+        }
+        draw_list->AddRect(ImVec2(maximize_pos_x, maximize_pos_y),
+                           ImVec2(maximize_pos_x + 12, maximize_pos_y + 12),
+                           IM_COL32(0, 0, 0, 255));
+      }
+      ImGui::PopStyleColor(2);
+    }
+
+    ImGui::SetCursorPosX(
+        (main_window ? main_window_width_ : stream_window_width_) -
+        BUTTON_PADDING);
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(1.0f, 0, 0, 1.0f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(1.0f, 0, 0, 0.5f));
+
+    float xmark_pos_x = ImGui::GetCursorPosX() + 18;
+    float xmark_pos_y = ImGui::GetCursorPosY() + 16;
+    float xmark_size = 12.0f;
+    std::string close_button = "##xmark";  // ICON_FA_XMARK;
+    if (ImGui::Button(close_button.c_str(), ImVec2(BUTTON_PADDING, 30))) {
+#if _WIN32
+      if (enable_minimize_to_tray_) {
+        tray_->MinimizeToTray();
+      } else {
+#endif
+        SDL_Event event;
+        event.type = SDL_EVENT_QUIT;
+        SDL_PushEvent(&event);
+#if _WIN32
+      }
+#endif
+    }
+    draw_list->AddLine(ImVec2(xmark_pos_x - xmark_size / 2 - 0.25f,
+                              xmark_pos_y - xmark_size / 2 + 0.75f),
+                       ImVec2(xmark_pos_x + xmark_size / 2 - 1.5f,
+                              xmark_pos_y + xmark_size / 2 - 0.5f),
+                       IM_COL32(0, 0, 0, 255));
+    draw_list->AddLine(ImVec2(xmark_pos_x + xmark_size / 2 - 1.75f,
+                              xmark_pos_y - xmark_size / 2 + 0.75f),
+                       ImVec2(xmark_pos_x - xmark_size / 2,
+                              xmark_pos_y + xmark_size / 2 - 1.0f),
+                       IM_COL32(0, 0, 0, 255));
+
+    ImGui::PopStyleColor(2);
+
+    ImGui::PopStyleColor();
+  }
+
+  ImGui::EndMenuBar();
+  ImGui::EndChild();
+  ImGui::PopStyleColor();
+  return 0;
+}
+}  // namespace crossdesk

src/gui/tray/win_tray.cpp

@@ -0,0 +1,115 @@
+#include "win_tray.h"
+
+#include <SDL3/SDL.h>
+
+#include "localization.h"
+
+namespace crossdesk {
+
+// callback for the message-only window that handles tray icon messages
+static LRESULT CALLBACK MsgWndProc(HWND hwnd, UINT msg, WPARAM wParam,
+                                   LPARAM lParam) {
+  WinTray* tray =
+      reinterpret_cast<WinTray*>(GetWindowLongPtr(hwnd, GWLP_USERDATA));
+  if (!tray) {
+    return DefWindowProc(hwnd, msg, wParam, lParam);
+  }
+
+  if (msg == WM_TRAY_CALLBACK) {
+    MSG tmpMsg = {};
+    tmpMsg.message = msg;
+    tmpMsg.wParam = wParam;
+    tmpMsg.lParam = lParam;
+    tray->HandleTrayMessage(&tmpMsg);
+    return 0;
+  }
+
+  return DefWindowProc(hwnd, msg, wParam, lParam);
+}
+
+WinTray::WinTray(HWND app_hwnd, HICON icon, const std::wstring& tooltip,
+                 int language_index)
+    : app_hwnd_(app_hwnd),
+      icon_(icon),
+      tip_(tooltip),
+      hwnd_message_only_(nullptr),
+      language_index_(language_index) {
+  WNDCLASS wc = {};
+  wc.lpfnWndProc = MsgWndProc;
+  wc.hInstance = GetModuleHandle(nullptr);
+  wc.lpszClassName = L"TrayMessageWindow";
+  RegisterClass(&wc);
+
+  // create a message-only window to receive tray messages
+  hwnd_message_only_ =
+      CreateWindowEx(0, wc.lpszClassName, L"TrayMsg", 0, 0, 0, 0, 0,
+                     HWND_MESSAGE, nullptr, wc.hInstance, nullptr);
+
+  // store pointer to this WinTray instance in window data
+  SetWindowLongPtr(hwnd_message_only_, GWLP_USERDATA,
+                   reinterpret_cast<LONG_PTR>(this));
+
+  // initialize NOTIFYICONDATA structure
+  ZeroMemory(&nid_, sizeof(nid_));
+  nid_.cbSize = sizeof(nid_);
+  nid_.hWnd = hwnd_message_only_;
+  nid_.uID = 1;
+  nid_.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
+  nid_.uCallbackMessage = WM_TRAY_CALLBACK;
+  nid_.hIcon = icon_;
+  wcsncpy_s(nid_.szTip, tip_.c_str(), _TRUNCATE);
+}
+
+WinTray::~WinTray() {
+  RemoveTrayIcon();
+  if (hwnd_message_only_) DestroyWindow(hwnd_message_only_);
+}
+
+void WinTray::MinimizeToTray() {
+  Shell_NotifyIcon(NIM_ADD, &nid_);
+  // hide application window
+  ShowWindow(app_hwnd_, SW_HIDE);
+}
+
+void WinTray::RemoveTrayIcon() { Shell_NotifyIcon(NIM_DELETE, &nid_); }
+
+bool WinTray::HandleTrayMessage(MSG* msg) {
+  if (!msg || msg->message != WM_TRAY_CALLBACK) return false;
+
+  switch (LOWORD(msg->lParam)) {
+    case WM_LBUTTONDBLCLK:
+    case WM_LBUTTONUP: {
+      ShowWindow(app_hwnd_, SW_SHOW);
+      SetForegroundWindow(app_hwnd_);
+      break;
+    }
+
+    case WM_RBUTTONUP: {
+      POINT pt;
+      GetCursorPos(&pt);
+      HMENU menu = CreatePopupMenu();
+      AppendMenuW(menu, MF_STRING, 1001,
+                  localization::exit_program[language_index_]);
+
+      SetForegroundWindow(hwnd_message_only_);
+      int cmd =
+          TrackPopupMenu(menu, TPM_RETURNCMD | TPM_NONOTIFY | TPM_LEFTALIGN,
+                         pt.x, pt.y, 0, hwnd_message_only_, nullptr);
+      DestroyMenu(menu);
+
+      // handle menu command
+      if (cmd == 1001) {
+        // exit application
+        SDL_Event event;
+        event.type = SDL_EVENT_QUIT;
+        SDL_PushEvent(&event);
+      } else if (cmd == 1002) {
+        ShowWindow(app_hwnd_, SW_SHOW);  // show main window
+        SetForegroundWindow(app_hwnd_);
+      }
+      break;
+    }
+  }
+  return true;
+}
+}  // namespace crossdesk

src/gui/tray/win_tray.h

@@ -0,0 +1,38 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-10-22
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _WIN_TRAY_H_
+#define _WIN_TRAY_H_
+
+#include <Windows.h>
+#include <shellapi.h>
+
+#include <string>
+
+#define WM_TRAY_CALLBACK (WM_USER + 1)
+
+namespace crossdesk {
+
+class WinTray {
+ public:
+  WinTray(HWND app_hwnd, HICON icon, const std::wstring& tooltip,
+          int language_index);
+  ~WinTray();
+
+  void MinimizeToTray();
+  void RemoveTrayIcon();
+  bool HandleTrayMessage(MSG* msg);
+
+ private:
+  HWND app_hwnd_;
+  HWND hwnd_message_only_;
+  HICON icon_;
+  std::wstring tip_;
+  int language_index_;
+  NOTIFYICONDATA nid_;
+};
+}  // namespace crossdesk
+#endif

src/gui/windows/about_window.cpp

@@ -0,0 +1,64 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::AboutWindow() {
+  if (show_about_window_) {
+    const ImGuiViewport* viewport = ImGui::GetMainViewport();
+
+    ImGui::SetNextWindowPos(ImVec2(
+        (viewport->WorkSize.x - viewport->WorkPos.x - about_window_width_) / 2,
+        (viewport->WorkSize.y - viewport->WorkPos.y - about_window_height_) /
+            2));
+
+    ImGui::SetNextWindowSize(ImVec2(about_window_width_, about_window_height_));
+
+    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+    ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+    ImGui::SetWindowFontScale(0.5f);
+    ImGui::Begin(
+        localization::about[localization_language_index_].c_str(), nullptr,
+        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+            ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings);
+    ImGui::SetWindowFontScale(1.0f);
+    ImGui::SetWindowFontScale(0.5f);
+
+    std::string version;
+#ifdef CROSSDESK_VERSION
+    version = CROSSDESK_VERSION;
+#else
+    version = "Unknown";
+#endif
+
+    std::string text = localization::version[localization_language_index_] +
+                       ": CrossDesk v" + version;
+    ImGui::Text("%s", text.c_str());
+    ImGui::Text("");
+
+    std::string copyright_text = "© 2025 by JUNKUN DI. All rights reserved.";
+    std::string license_text = "Licensed under GNU LGPL v3.";
+    ImGui::Text("%s", copyright_text.c_str());
+    ImGui::Text("%s", license_text.c_str());
+
+    ImGui::SetCursorPosX(about_window_width_ * 0.42f);
+    ImGui::SetCursorPosY(about_window_height_ * 0.75f);
+    // OK
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str())) {
+      show_about_window_ = false;
+    }
+
+    ImGui::SetWindowFontScale(1.0f);
+    ImGui::SetWindowFontScale(0.5f);
+    ImGui::End();
+    ImGui::SetWindowFontScale(1.0f);
+    ImGui::PopStyleVar(3);
+    ImGui::PopStyleColor();
+  }
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/connection_status_window.cpp

@@ -0,0 +1,174 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+bool Render::ConnectionStatusWindow(
+    std::shared_ptr<SubStreamWindowProperties>& props) {
+  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  bool ret_flag = false;
+  ImGui::SetNextWindowPos(ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                                  connection_status_window_width_) /
+                                     2,
+                                 (viewport->WorkSize.y - viewport->WorkPos.y -
+                                  connection_status_window_height_) /
+                                     2));
+
+  ImGui::SetNextWindowSize(ImVec2(connection_status_window_width_,
+                                  connection_status_window_height_));
+
+  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0, 1.0, 1.0, 1.0));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 1.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+
+  ImGui::Begin("ConnectionStatusWindow", nullptr,
+               ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                   ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                   ImGuiWindowFlags_NoSavedSettings);
+  ImGui::PopStyleVar(2);
+  ImGui::PopStyleColor();
+
+  ImGui::SetWindowFontScale(0.5f);
+  std::string text;
+
+  if (ConnectionStatus::Connecting == props->connection_status_) {
+    text = localization::p2p_connecting[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+  } else if (ConnectionStatus::Connected == props->connection_status_) {
+    text = localization::p2p_connected[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    // ok
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+        ImGui::IsKeyPressed(ImGuiKey_Enter) ||
+        ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+      show_connection_status_window_ = false;
+    }
+  } else if (ConnectionStatus::Disconnected == props->connection_status_) {
+    text = localization::p2p_disconnected[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    // ok
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+        ImGui::IsKeyPressed(ImGuiKey_Enter) ||
+        ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+      show_connection_status_window_ = false;
+    }
+  } else if (ConnectionStatus::Failed == props->connection_status_) {
+    text = localization::p2p_failed[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    // ok
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+        ImGui::IsKeyPressed(ImGuiKey_Enter) ||
+        ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+      show_connection_status_window_ = false;
+    }
+  } else if (ConnectionStatus::Closed == props->connection_status_) {
+    text = localization::p2p_closed[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    // ok
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+        ImGui::IsKeyPressed(ImGuiKey_Enter) ||
+        ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+      show_connection_status_window_ = false;
+    }
+  } else if (ConnectionStatus::IncorrectPassword == props->connection_status_) {
+    if (!password_validating_) {
+      if (password_validating_time_ == 1) {
+        text = localization::input_password[localization_language_index_];
+      } else {
+        text = localization::reinput_password[localization_language_index_];
+      }
+
+      auto window_width = ImGui::GetWindowSize().x;
+      auto window_height = ImGui::GetWindowSize().y;
+      ImGui::SetCursorPosX((window_width - IPUT_WINDOW_WIDTH / 2) * 0.5f);
+      ImGui::SetCursorPosY(window_height * 0.4f);
+      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH / 2);
+
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+
+      if (focus_on_input_widget_) {
+        ImGui::SetKeyboardFocusHere();
+        focus_on_input_widget_ = false;
+      }
+
+      ImGui::InputText("##password", props->remote_password_,
+                       IM_ARRAYSIZE(props->remote_password_),
+                       ImGuiInputTextFlags_CharsNoBlank);
+
+      ImGui::SetWindowFontScale(0.4f);
+
+      ImVec2 text_size = ImGui::CalcTextSize(
+          localization::remember_password[localization_language_index_]
+              .c_str());
+      ImGui::SetCursorPosX((window_width - text_size.x) * 0.5f - 13.0f);
+      ImGui::Checkbox(
+          localization::remember_password[localization_language_index_].c_str(),
+          &(props->remember_password_));
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::PopStyleVar();
+
+      ImGui::SetCursorPosX(window_width * 0.315f);
+      ImGui::SetCursorPosY(window_height * 0.75f);
+      // ok
+      if (ImGui::Button(
+              localization::ok[localization_language_index_].c_str()) ||
+          ImGui::IsKeyPressed(ImGuiKey_Enter)) {
+        show_connection_status_window_ = true;
+        password_validating_ = true;
+        props->rejoin_ = true;
+        need_to_rejoin_ = true;
+        focus_on_input_widget_ = true;
+      }
+
+      ImGui::SameLine();
+      // cancel
+      if (ImGui::Button(
+              localization::cancel[localization_language_index_].c_str()) ||
+          ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+        memset(props->remote_password_, 0, sizeof(props->remote_password_));
+        show_connection_status_window_ = false;
+        focus_on_input_widget_ = true;
+      }
+    } else if (password_validating_) {
+      text = localization::validate_password[localization_language_index_];
+      ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+      ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    }
+  } else if (ConnectionStatus::NoSuchTransmissionId ==
+             props->connection_status_) {
+    text = localization::no_such_id[localization_language_index_];
+    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    // ok
+    if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
+        ImGui::IsKeyPressed(ImGuiKey_Enter)) {
+      show_connection_status_window_ = false;
+      re_enter_remote_id_ = true;
+      DestroyPeer(&props->peer_);
+      ret_flag = true;
+    }
+  }
+
+  auto window_width = ImGui::GetWindowSize().x;
+  auto window_height = ImGui::GetWindowSize().y;
+  auto text_width = ImGui::CalcTextSize(text.c_str()).x;
+  ImGui::SetCursorPosX((window_width - text_width) * 0.5f);
+  ImGui::SetCursorPosY(window_height * 0.2f);
+  ImGui::Text("%s", text.c_str());
+  ImGui::SetWindowFontScale(1.0f);
+
+  ImGui::End();
+  ImGui::PopStyleVar();
+
+  return ret_flag;
+}
+}  // namespace crossdesk

src/gui/windows/control_window.cpp

@@ -0,0 +1,226 @@
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props) {
+  double time_duration =
+      ImGui::GetTime() - props->control_bar_button_pressed_time_;
+  if (props->control_window_width_is_changing_) {
+    if (props->control_bar_expand_) {
+      props->control_window_width_ =
+          (float)(props->control_window_min_width_ +
+                  (props->control_window_max_width_ -
+                   props->control_window_min_width_) *
+                      4 * time_duration);
+    } else {
+      props->control_window_width_ =
+          (float)(props->control_window_max_width_ -
+                  (props->control_window_max_width_ -
+                   props->control_window_min_width_) *
+                      4 * time_duration);
+    }
+  }
+
+  time_duration =
+      ImGui::GetTime() - props->net_traffic_stats_button_pressed_time_;
+  if (props->control_window_height_is_changing_) {
+    if (props->control_bar_expand_ &&
+        props->net_traffic_stats_button_pressed_) {
+      props->control_window_height_ =
+          (float)(props->control_window_min_height_ +
+                  (props->control_window_max_height_ -
+                   props->control_window_min_height_) *
+                      4 * time_duration);
+    } else if (props->control_bar_expand_ &&
+               !props->net_traffic_stats_button_pressed_) {
+      props->control_window_height_ =
+          (float)(props->control_window_max_height_ -
+                  (props->control_window_max_height_ -
+                   props->control_window_min_height_) *
+                      4 * time_duration);
+    }
+  }
+
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1, 1, 1, 1));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 10.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 10.0f);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
+
+  ImGui::SetNextWindowSize(
+      ImVec2(props->control_window_width_, props->control_window_height_),
+      ImGuiCond_Always);
+
+  ImGui::SetNextWindowPos(ImVec2(0, title_bar_height_ + 1), ImGuiCond_Once);
+
+  float pos_x = 0;
+  float pos_y = 0;
+  float y_boundary = fullscreen_button_pressed_ ? 0 : (title_bar_height_ + 1);
+
+  if (props->reset_control_bar_pos_) {
+    float new_cursor_pos_x = 0;
+    float new_cursor_pos_y = 0;
+
+    // set control window pos
+    if (props->control_window_pos_.y + props->control_window_height_ >
+        stream_window_height_) {
+      pos_y = stream_window_height_ - props->control_window_height_;
+    } else if (props->control_window_pos_.y < y_boundary) {
+      pos_y = y_boundary;
+    } else {
+      pos_y = props->control_window_pos_.y;
+    }
+
+    if (props->is_control_bar_in_left_) {
+      pos_x = 0;
+    } else {
+      pos_x = stream_window_width_ - props->control_window_width_;
+    }
+
+    ImGui::SetNextWindowPos(ImVec2(pos_x, pos_y), ImGuiCond_Always);
+
+    if (0 != props->mouse_diff_control_bar_pos_x_ &&
+        0 != props->mouse_diff_control_bar_pos_y_) {
+      // set cursor pos
+      new_cursor_pos_x = pos_x + props->mouse_diff_control_bar_pos_x_;
+      new_cursor_pos_y = pos_y + props->mouse_diff_control_bar_pos_y_;
+
+      SDL_WarpMouseInWindow(stream_window_, (int)new_cursor_pos_x,
+                            (int)new_cursor_pos_y);
+    }
+    props->reset_control_bar_pos_ = false;
+  } else if (!props->reset_control_bar_pos_ &&
+                 ImGui::IsMouseReleased(ImGuiMouseButton_Left) ||
+             props->control_window_width_is_changing_) {
+    if (props->control_window_pos_.x <= stream_window_width_ / 2) {
+      if (props->control_window_pos_.y + props->control_window_height_ >
+          stream_window_height_) {
+        pos_y = stream_window_height_ - props->control_window_height_;
+      } else {
+        pos_y = props->control_window_pos_.y;
+      }
+
+      if (props->control_bar_expand_) {
+        if (props->control_window_width_ >= props->control_window_max_width_) {
+          props->control_window_width_ = props->control_window_max_width_;
+          props->control_window_width_is_changing_ = false;
+        } else {
+          props->control_window_width_is_changing_ = true;
+        }
+      } else {
+        if (props->control_window_width_ <= props->control_window_min_width_) {
+          props->control_window_width_ = props->control_window_min_width_;
+          props->control_window_width_is_changing_ = false;
+        } else {
+          props->control_window_width_is_changing_ = true;
+        }
+      }
+      props->is_control_bar_in_left_ = true;
+    } else if (props->control_window_pos_.x > stream_window_width_ / 2) {
+      pos_x = 0;
+      pos_y =
+          (props->control_window_pos_.y >= y_boundary &&
+           props->control_window_pos_.y <=
+               stream_window_height_ - props->control_window_height_)
+              ? props->control_window_pos_.y
+              : (props->control_window_pos_.y < (fullscreen_button_pressed_
+                                                     ? 0
+                                                     : (title_bar_height_ + 1))
+                     ? (fullscreen_button_pressed_ ? 0
+                                                   : (title_bar_height_ + 1))
+                     : (stream_window_height_ - props->control_window_height_));
+
+      if (props->control_bar_expand_) {
+        if (props->control_window_width_ >= props->control_window_max_width_) {
+          props->control_window_width_ = props->control_window_max_width_;
+          props->control_window_width_is_changing_ = false;
+          pos_x = stream_window_width_ - props->control_window_max_width_;
+        } else {
+          props->control_window_width_is_changing_ = true;
+          pos_x = stream_window_width_ - props->control_window_width_;
+        }
+      } else {
+        if (props->control_window_width_ <= props->control_window_min_width_) {
+          props->control_window_width_ = props->control_window_min_width_;
+          props->control_window_width_is_changing_ = false;
+          pos_x = stream_window_width_ - props->control_window_min_width_;
+        } else {
+          props->control_window_width_is_changing_ = true;
+          pos_x = stream_window_width_ - props->control_window_width_;
+        }
+      }
+      props->is_control_bar_in_left_ = false;
+    }
+
+    if (props->control_window_pos_.y + props->control_window_height_ >
+        stream_window_height_) {
+      pos_y = stream_window_height_ - props->control_window_height_;
+    } else if (props->control_window_pos_.y < y_boundary) {
+      pos_y = y_boundary;
+    }
+    ImGui::SetNextWindowPos(ImVec2(pos_x, pos_y), ImGuiCond_Always);
+  }
+
+  if (props->control_bar_expand_ && props->control_window_height_is_changing_) {
+    if (props->net_traffic_stats_button_pressed_) {
+      if (props->control_window_height_ >= props->control_window_max_height_) {
+        props->control_window_height_ = props->control_window_max_height_;
+        props->control_window_height_is_changing_ = false;
+      } else {
+        props->control_window_height_is_changing_ = true;
+      }
+    } else {
+      if (props->control_window_height_ <= props->control_window_min_height_) {
+        props->control_window_height_ = props->control_window_min_height_;
+        props->control_window_height_is_changing_ = false;
+      } else {
+        props->control_window_height_is_changing_ = true;
+      }
+    }
+  }
+
+  std::string control_window_title = props->remote_id_ + "ControlWindow";
+  ImGui::Begin(control_window_title.c_str(), nullptr,
+               ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize |
+                   ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoDocking);
+  ImGui::PopStyleVar();
+
+  props->control_window_pos_ = ImGui::GetWindowPos();
+  SDL_GetMouseState(&props->mouse_pos_x_, &props->mouse_pos_y_);
+  props->mouse_diff_control_bar_pos_x_ =
+      props->mouse_pos_x_ - props->control_window_pos_.x;
+  props->mouse_diff_control_bar_pos_y_ =
+      props->mouse_pos_y_ - props->control_window_pos_.y;
+
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  static bool a, b, c, d, e;
+  ImGui::SetNextWindowPos(
+      ImVec2(props->is_control_bar_in_left_
+                 ? props->control_window_pos_.x - props->control_window_width_
+                 : props->control_window_pos_.x,
+             props->control_window_pos_.y),
+      ImGuiCond_Always);
+  ImGui::SetWindowFontScale(0.5f);
+
+  std::string control_child_window_title =
+      props->remote_id_ + "ControlChildWindow";
+  ImGui::BeginChild(
+      control_child_window_title.c_str(),
+      ImVec2(props->control_window_width_ * 2, props->control_window_height_),
+      ImGuiChildFlags_Border, ImGuiWindowFlags_NoDecoration);
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::PopStyleColor();
+
+  ControlBar(props);
+  props->control_bar_hovered_ = ImGui::IsWindowHovered();
+
+  ImGui::EndChild();
+  ImGui::End();
+  ImGui::PopStyleVar(4);
+  ImGui::PopStyleColor();
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/main_settings_window.cpp

@@ -0,0 +1,396 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::SettingWindow() {
+  if (show_settings_window_) {
+    if (settings_window_pos_reset_) {
+      const ImGuiViewport* viewport = ImGui::GetMainViewport();
+      if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    SETTINGS_WINDOW_WIDTH_CN) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    SETTINGS_WINDOW_HEIGHT_CN) /
+                       2));
+
+        ImGui::SetNextWindowSize(
+            ImVec2(SETTINGS_WINDOW_WIDTH_CN, SETTINGS_WINDOW_HEIGHT_CN));
+      } else {
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    SETTINGS_WINDOW_WIDTH_EN) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    SETTINGS_WINDOW_HEIGHT_EN) /
+                       2));
+
+        ImGui::SetNextWindowSize(
+            ImVec2(SETTINGS_WINDOW_WIDTH_EN, SETTINGS_WINDOW_HEIGHT_EN));
+      }
+
+      settings_window_pos_reset_ = false;
+    }
+
+    // Settings
+    {
+      static int settings_items_padding = 30;
+      int settings_items_offset = 0;
+
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+      ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+      ImGui::Begin(localization::settings[localization_language_index_].c_str(),
+                   nullptr,
+                   ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                       ImGuiWindowFlags_NoSavedSettings);
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+      {
+        const char* language_items[] = {
+            localization::language_zh[localization_language_index_].c_str(),
+            localization::language_en[localization_language_index_].c_str()};
+
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text(
+            "%s", localization::language[localization_language_index_].c_str());
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(LANGUAGE_SELECT_WINDOW_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(LANGUAGE_SELECT_WINDOW_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
+
+        ImGui::Combo("##language", &language_button_value_, language_items,
+                     IM_ARRAYSIZE(language_items));
+      }
+
+      ImGui::Separator();
+
+      if (stream_window_inited_) {
+        ImGui::BeginDisabled();
+      }
+
+      {
+        const char* video_quality_items[] = {
+            localization::video_quality_high[localization_language_index_]
+                .c_str(),
+            localization::video_quality_medium[localization_language_index_]
+                .c_str(),
+            localization::video_quality_low[localization_language_index_]
+                .c_str()};
+
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text(
+            "%s",
+            localization::video_quality[localization_language_index_].c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(VIDEO_QUALITY_SELECT_WINDOW_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(VIDEO_QUALITY_SELECT_WINDOW_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
+
+        ImGui::Combo("##video_quality", &video_quality_button_value_,
+                     video_quality_items, IM_ARRAYSIZE(video_quality_items));
+      }
+
+      ImGui::Separator();
+
+      {
+        const char* video_frame_rate_items[] = {"30 fps", "60 fps"};
+
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text("%s",
+                    localization::video_frame_rate[localization_language_index_]
+                        .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
+
+        ImGui::Combo("##video_frame_rate", &video_frame_rate_button_value_,
+                     video_frame_rate_items,
+                     IM_ARRAYSIZE(video_frame_rate_items));
+      }
+
+      ImGui::Separator();
+
+      {
+        const char* video_encode_format_items[] = {
+            localization::h264[localization_language_index_].c_str(),
+            localization::av1[localization_language_index_].c_str()};
+
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text(
+            "%s",
+            localization::video_encode_format[localization_language_index_]
+                .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
+
+        ImGui::Combo(
+            "##video_encode_format", &video_encode_format_button_value_,
+            video_encode_format_items, IM_ARRAYSIZE(video_encode_format_items));
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text("%s", localization::enable_hardware_video_codec
+                              [localization_language_index_]
+                                  .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_hardware_video_codec",
+                        &enable_hardware_video_codec_);
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text(
+            "%s",
+            localization::enable_turn[localization_language_index_].c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_TURN_CHECKBOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_TURN_CHECKBOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_turn", &enable_turn_);
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::Text(
+            "%s",
+            localization::enable_srtp[localization_language_index_].c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_SRTP_CHECKBOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_SRTP_CHECKBOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_srtp", &enable_srtp_);
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 1);
+
+        if (ImGui::Button(localization::self_hosted_server_config
+                              [localization_language_index_]
+                                  .c_str())) {
+          show_self_hosted_server_config_window_ = true;
+        }
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_self_hosted_server",
+                        &enable_self_hosted_server_);
+      }
+#if _WIN32
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+
+        ImGui::Text("%s",
+                    localization::minimize_to_tray[localization_language_index_]
+                        .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_MINIZE_TO_TRAY_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_MINIZE_TO_TRAY_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_minimize_to_tray_",
+                        &enable_minimize_to_tray_);
+      }
+#endif
+      if (stream_window_inited_) {
+        ImGui::EndDisabled();
+      }
+
+      if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+        ImGui::SetCursorPosX(SETTINGS_OK_BUTTON_PADDING_CN);
+      } else {
+        ImGui::SetCursorPosX(SETTINGS_OK_BUTTON_PADDING_EN);
+      }
+
+      settings_items_offset += settings_items_padding + 10;
+      ImGui::SetCursorPosY(settings_items_offset);
+      ImGui::PopStyleVar();
+
+      // OK
+      if (ImGui::Button(
+              localization::ok[localization_language_index_].c_str())) {
+        show_settings_window_ = false;
+        show_self_hosted_server_config_window_ = false;
+
+        // Language
+        if (language_button_value_ == 0) {
+          config_center_->SetLanguage(ConfigCenter::LANGUAGE::CHINESE);
+        } else {
+          config_center_->SetLanguage(ConfigCenter::LANGUAGE::ENGLISH);
+        }
+        language_button_value_last_ = language_button_value_;
+        localization_language_ = (ConfigCenter::LANGUAGE)language_button_value_;
+        localization_language_index_ = language_button_value_;
+        LOG_INFO("Set localization language: {}",
+                 localization_language_index_ == 0 ? "zh" : "en");
+
+        // Video quality
+        if (video_quality_button_value_ == 0) {
+          config_center_->SetVideoQuality(ConfigCenter::VIDEO_QUALITY::HIGH);
+        } else if (video_quality_button_value_ == 1) {
+          config_center_->SetVideoQuality(ConfigCenter::VIDEO_QUALITY::MEDIUM);
+        } else {
+          config_center_->SetVideoQuality(ConfigCenter::VIDEO_QUALITY::LOW);
+        }
+        video_quality_button_value_last_ = video_quality_button_value_;
+
+        // Video encode format
+        if (video_encode_format_button_value_ == 0) {
+          config_center_->SetVideoEncodeFormat(
+              ConfigCenter::VIDEO_ENCODE_FORMAT::H264);
+        } else if (video_encode_format_button_value_ == 1) {
+          config_center_->SetVideoEncodeFormat(
+              ConfigCenter::VIDEO_ENCODE_FORMAT::AV1);
+        }
+        video_encode_format_button_value_last_ =
+            video_encode_format_button_value_;
+
+        // Hardware video codec
+        if (enable_hardware_video_codec_) {
+          config_center_->SetHardwareVideoCodec(true);
+        } else {
+          config_center_->SetHardwareVideoCodec(false);
+        }
+        enable_hardware_video_codec_last_ = enable_hardware_video_codec_;
+
+        // TURN mode
+        if (enable_turn_) {
+          config_center_->SetTurn(true);
+        } else {
+          config_center_->SetTurn(false);
+        }
+        enable_turn_last_ = enable_turn_;
+
+        // SRTP
+        if (enable_srtp_) {
+          config_center_->SetSrtp(true);
+        } else {
+          config_center_->SetSrtp(false);
+        }
+        enable_srtp_last_ = enable_srtp_;
+
+        if (enable_self_hosted_server_) {
+          config_center_->SetSelfHosted(true);
+        } else {
+          config_center_->SetSelfHosted(false);
+        }
+
+        settings_window_pos_reset_ = true;
+
+        // Recreate peer instance
+        LoadSettingsFromCacheFile();
+
+        // Recreate peer instance
+        if (!stream_window_inited_) {
+          LOG_INFO("Recreate peer instance");
+          CleanupPeers();
+          CreateConnectionPeer();
+        }
+      }
+
+      ImGui::SameLine();
+      // Cancel
+      if (ImGui::Button(
+              localization::cancel[localization_language_index_].c_str())) {
+        show_settings_window_ = false;
+        show_self_hosted_server_config_window_ = false;
+
+        if (language_button_value_ != language_button_value_last_) {
+          language_button_value_ = language_button_value_last_;
+        }
+
+        if (video_quality_button_value_ != video_quality_button_value_last_) {
+          video_quality_button_value_ = video_quality_button_value_last_;
+        }
+
+        if (video_encode_format_button_value_ !=
+            video_encode_format_button_value_last_) {
+          video_encode_format_button_value_ =
+              video_encode_format_button_value_last_;
+        }
+
+        if (enable_hardware_video_codec_ != enable_hardware_video_codec_last_) {
+          enable_hardware_video_codec_ = enable_hardware_video_codec_last_;
+        }
+
+        if (enable_turn_ != enable_turn_last_) {
+          enable_turn_ = enable_turn_last_;
+        }
+
+        settings_window_pos_reset_ = true;
+      }
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::End();
+      ImGui::PopStyleVar(2);
+      ImGui::PopStyleColor();
+      ImGui::SetWindowFontScale(1.0f);
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/main_window.cpp

@@ -0,0 +1,52 @@
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+int Render::MainWindow() {
+  ImGui::SetNextWindowPos(ImVec2(0, title_bar_height_), ImGuiCond_Always);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::BeginChild("DeskWindow",
+                    ImVec2(main_window_width_default_, local_window_height_),
+                    ImGuiChildFlags_Border,
+                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+                        ImGuiWindowFlags_NoBringToFrontOnFocus);
+  ImGui::PopStyleVar();
+  ImGui::PopStyleColor();
+
+  LocalWindow();
+
+  ImDrawList* draw_list = ImGui::GetWindowDrawList();
+  draw_list->AddLine(
+      ImVec2(main_window_width_default_ / 2, title_bar_height_ + 15.0f),
+      ImVec2(main_window_width_default_ / 2, title_bar_height_ + 225.0f),
+      IM_COL32(0, 0, 0, 122), 1.0f);
+
+  RemoteWindow();
+  ImGui::EndChild();
+
+  RecentConnectionsWindow();
+  StatusBar();
+
+  if (show_connection_status_window_) {
+    for (auto it = client_properties_.begin();
+         it != client_properties_.end();) {
+      auto& props = it->second;
+      if (focused_remote_id_ == props->remote_id_) {
+        if (ConnectionStatusWindow(props)) {
+          it = client_properties_.erase(it);
+        } else {
+          ++it;
+        }
+      } else {
+        ++it;
+      }
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/server_settings_window.cpp

@@ -0,0 +1,324 @@
+#include <filesystem>
+#include <vector>
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+std::vector<std::string> GetRootEntries() {
+  std::vector<std::string> roots;
+#ifdef _WIN32
+  DWORD mask = GetLogicalDrives();
+  for (char letter = 'A'; letter <= 'Z'; ++letter) {
+    if (mask & 1) {
+      roots.push_back(std::string(1, letter) + ":\\");
+    }
+    mask >>= 1;
+  }
+#else
+  roots.push_back("/");
+#endif
+  return roots;
+}
+
+int Render::ShowSimpleFileBrowser() {
+  std::string display_text;
+
+  if (selected_current_file_path_.empty()) {
+    selected_current_file_path_ = std::filesystem::current_path().string();
+  }
+
+  if (!tls_cert_path_self_.empty()) {
+    display_text =
+        std::filesystem::path(tls_cert_path_self_).filename().string();
+  } else if (selected_current_file_path_ != "Root") {
+    display_text =
+        std::filesystem::path(selected_current_file_path_).filename().string();
+    if (display_text.empty()) {
+      display_text = selected_current_file_path_;
+    }
+  }
+
+  if (display_text.empty()) {
+    display_text =
+        localization::select_a_file[localization_language_index_].c_str();
+  }
+
+  if (show_file_browser_) {
+    ImGui::PushItemFlag(ImGuiItemFlags_AutoClosePopups, false);
+
+    float fixed_width = 130.0f;
+    ImGui::SetNextItemWidth(fixed_width);
+    ImGui::SetNextWindowSizeConstraints(ImVec2(fixed_width, 0),
+                                        ImVec2(fixed_width, 100.0f));
+
+    if (ImGui::BeginCombo("##select_a_file", display_text.c_str(), 0)) {
+      bool file_selected = false;
+
+      auto roots = GetRootEntries();
+      if (selected_current_file_path_ == "Root" ||
+          !std::filesystem::exists(selected_current_file_path_) ||
+          !std::filesystem::is_directory(selected_current_file_path_)) {
+        for (const auto& root : roots) {
+          if (ImGui::Selectable(root.c_str())) {
+            selected_current_file_path_ = root;
+            tls_cert_path_self_.clear();
+          }
+        }
+      } else {
+        std::filesystem::path p(selected_current_file_path_);
+
+        if (ImGui::Selectable("..")) {
+          if (std::find(roots.begin(), roots.end(),
+                        selected_current_file_path_) != roots.end()) {
+            selected_current_file_path_ = "Root";
+          } else if (p.has_parent_path()) {
+            selected_current_file_path_ = p.parent_path().string();
+          } else {
+            selected_current_file_path_ = "Root";
+          }
+          tls_cert_path_self_.clear();
+        }
+
+        try {
+          for (const auto& entry : std::filesystem::directory_iterator(
+                   selected_current_file_path_)) {
+            std::string name = entry.path().filename().string();
+            if (entry.is_directory()) {
+              if (ImGui::Selectable(name.c_str())) {
+                selected_current_file_path_ = entry.path().string();
+                tls_cert_path_self_.clear();
+              }
+            } else {
+              if (ImGui::Selectable(name.c_str())) {
+                tls_cert_path_self_ = entry.path().string();
+                file_selected = true;
+                show_file_browser_ = false;
+              }
+            }
+          }
+        } catch (const std::exception& e) {
+          ImGui::TextColored(ImVec4(1, 0, 0, 1), "Error: %s", e.what());
+        }
+      }
+
+      ImGui::EndCombo();
+    }
+    ImGui::PopItemFlag();
+  } else {
+    show_file_browser_ = true;
+  }
+
+  return 0;
+}
+
+int Render::SelfHostedServerWindow() {
+  if (show_self_hosted_server_config_window_) {
+    if (self_hosted_server_config_window_pos_reset_) {
+      const ImGuiViewport* viewport = ImGui::GetMainViewport();
+      if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_CN) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN) /
+                       2));
+
+        ImGui::SetNextWindowSize(
+            ImVec2(SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_CN,
+                   SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN));
+      } else {
+        ImGui::SetNextWindowPos(
+            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                    SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_EN) /
+                       2,
+                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                    SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN) /
+                       2));
+
+        ImGui::SetNextWindowSize(
+            ImVec2(SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_EN,
+                   SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN));
+      }
+
+      self_hosted_server_config_window_pos_reset_ = false;
+    }
+
+    // Settings
+    {
+      static int settings_items_padding = 30;
+      int settings_items_offset = 0;
+
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+      ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 5.0f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+
+      ImGui::Begin(localization::self_hosted_server_settings
+                       [localization_language_index_]
+                           .c_str(),
+                   nullptr,
+                   ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                       ImGuiWindowFlags_NoSavedSettings);
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 2);
+        ImGui::Text("%s", localization::self_hosted_server_address
+                              [localization_language_index_]
+                                  .c_str());
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
+
+        ImGui::InputText("##signal_server_ip_self_", signal_server_ip_self_,
+                         IM_ARRAYSIZE(signal_server_ip_self_),
+                         ImGuiInputTextFlags_AlwaysOverwrite);
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 2);
+        ImGui::Text(
+            "%s",
+            localization::self_hosted_server_port[localization_language_index_]
+                .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
+
+        ImGui::InputText("##signal_server_port_self_", signal_server_port_self_,
+                         IM_ARRAYSIZE(signal_server_port_self_));
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 2);
+        ImGui::Text("%s", localization::self_hosted_server_coturn_server_port
+                              [localization_language_index_]
+                                  .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
+
+        ImGui::InputText("##coturn_server_port_self_", coturn_server_port_self_,
+                         IM_ARRAYSIZE(coturn_server_port_self_));
+      }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 2);
+        ImGui::Text("%s", localization::self_hosted_server_certificate_path
+                              [localization_language_index_]
+                                  .c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
+
+        ShowSimpleFileBrowser();
+      }
+
+      if (stream_window_inited_) {
+        ImGui::EndDisabled();
+      }
+
+      if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+        ImGui::SetCursorPosX(SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_CN);
+      } else {
+        ImGui::SetCursorPosX(SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_EN);
+      }
+
+      settings_items_offset += settings_items_padding + 10;
+      ImGui::SetCursorPosY(settings_items_offset);
+      ImGui::PopStyleVar();
+
+      // OK
+      if (ImGui::Button(
+              localization::ok[localization_language_index_].c_str())) {
+        show_self_hosted_server_config_window_ = false;
+
+        config_center_->SetServerHost(signal_server_ip_self_);
+        config_center_->SetServerPort(atoi(signal_server_port_self_));
+        config_center_->SetCoturnServerPort(atoi(coturn_server_port_self_));
+        config_center_->SetCertFilePath(tls_cert_path_self_);
+        strncpy(signal_server_ip_, signal_server_ip_self_,
+                sizeof(signal_server_ip_) - 1);
+        signal_server_ip_[sizeof(signal_server_ip_) - 1] = '\0';
+        strncpy(signal_server_port_, signal_server_port_self_,
+                sizeof(signal_server_port_) - 1);
+        signal_server_port_[sizeof(signal_server_port_) - 1] = '\0';
+        strncpy(coturn_server_port_, coturn_server_port_self_,
+                sizeof(coturn_server_port_) - 1);
+        coturn_server_port_[sizeof(coturn_server_port_) - 1] = '\0';
+        strncpy(cert_file_path_, tls_cert_path_self_.c_str(),
+                sizeof(cert_file_path_) - 1);
+        cert_file_path_[sizeof(cert_file_path_) - 1] = '\0';
+
+        self_hosted_server_config_window_pos_reset_ = true;
+      }
+
+      ImGui::SameLine();
+      // Cancel
+      if (ImGui::Button(
+              localization::cancel[localization_language_index_].c_str())) {
+        show_self_hosted_server_config_window_ = false;
+        self_hosted_server_config_window_pos_reset_ = true;
+
+        strncpy(signal_server_ip_self_, signal_server_ip_,
+                sizeof(signal_server_ip_self_) - 1);
+        signal_server_ip_self_[sizeof(signal_server_ip_self_) - 1] = '\0';
+        strncpy(signal_server_port_self_, signal_server_port_,
+                sizeof(signal_server_port_self_) - 1);
+        signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
+        config_center_->SetServerHost(signal_server_ip_self_);
+        config_center_->SetServerPort(atoi(signal_server_port_self_));
+        tls_cert_path_self_.clear();
+      }
+
+      ImGui::SetWindowFontScale(1.0f);
+      ImGui::SetWindowFontScale(0.5f);
+      ImGui::End();
+      ImGui::PopStyleVar(2);
+      ImGui::PopStyleColor();
+      ImGui::SetWindowFontScale(1.0f);
+    }
+  }
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/stream_window.cpp

@@ -0,0 +1,205 @@
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+namespace crossdesk {
+
+void Render::DrawConnectionStatusText(
+    std::shared_ptr<SubStreamWindowProperties>& props) {
+  std::string text;
+  switch (props->connection_status_) {
+    case ConnectionStatus::Disconnected:
+      text = localization::p2p_disconnected[localization_language_index_];
+      break;
+    case ConnectionStatus::Failed:
+      text = localization::p2p_failed[localization_language_index_];
+      break;
+    case ConnectionStatus::Closed:
+      text = localization::p2p_closed[localization_language_index_];
+      break;
+    default:
+      break;
+  }
+
+  if (!text.empty()) {
+    ImVec2 size = ImGui::GetWindowSize();
+    ImVec2 text_size = ImGui::CalcTextSize(text.c_str());
+    ImGui::SetCursorPos(
+        ImVec2((size.x - text_size.x) * 0.5f,
+               (size.y - text_size.y - title_bar_height_) * 0.5f));
+    ImGui::TextColored(ImVec4(1.0f, 1.0f, 1.0f, 1.0f), "%s", text.c_str());
+  }
+}
+
+void Render::CloseTab(decltype(client_properties_)::iterator& it) {
+  CleanupPeer(it->second);
+  it = client_properties_.erase(it);
+  if (client_properties_.empty()) {
+    SDL_Event event;
+    event.type = SDL_EVENT_QUIT;
+    SDL_PushEvent(&event);
+  }
+}
+
+int Render::StreamWindow() {
+  ImGui::SetNextWindowPos(
+      ImVec2(0, fullscreen_button_pressed_ ? 0 : title_bar_height_),
+      ImGuiCond_Always);
+  ImGui::SetNextWindowSize(ImVec2(stream_window_width_, stream_window_height_),
+                           ImGuiCond_Always);
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0, 0, 0, 0));
+  ImGui::PushStyleColor(ImGuiCol_Border, ImVec4(0, 0, 0, 0));
+  ImGui::Begin("VideoBg", nullptr,
+               ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
+                   ImGuiWindowFlags_NoBringToFrontOnFocus |
+                   ImGuiWindowFlags_NoDocking);
+  ImGui::PopStyleColor(2);
+  ImGui::PopStyleVar();
+
+  ImGuiWindowFlags stream_window_flag =
+      ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoDecoration |
+      ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoMove;
+
+  if (!fullscreen_button_pressed_) {
+    ImGui::SetNextWindowPos(ImVec2(20, 0), ImGuiCond_Always);
+    ImGui::SetNextWindowSize(ImVec2(0, 20), ImGuiCond_Always);
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 8.0f));
+    ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0, 0, 0, 0.0f));
+    ImGui::Begin("TabBar", nullptr,
+                 ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
+                     ImGuiWindowFlags_NoBringToFrontOnFocus |
+                     ImGuiWindowFlags_NoDocking);
+    ImGui::PopStyleColor();
+    ImGui::PopStyleVar(2);
+
+    if (ImGui::BeginTabBar("StreamTabBar",
+                           ImGuiTabBarFlags_Reorderable |
+                               ImGuiTabBarFlags_AutoSelectNewTabs)) {
+      is_tab_bar_hovered_ = ImGui::IsWindowHovered();
+
+      for (auto it = client_properties_.begin();
+           it != client_properties_.end();) {
+        auto& props = it->second;
+        if (!props->tab_opened_) {
+          CloseTab(it);
+          continue;
+        }
+
+        ImGui::SetWindowFontScale(0.6f);
+        std::string tab_label =
+            enable_srtp_
+                ? std::string(ICON_FA_SHIELD_HALVED) + " " + props->remote_id_
+                : props->remote_id_;
+        if (ImGui::BeginTabItem(tab_label.c_str(), &props->tab_opened_)) {
+          props->tab_selected_ = true;
+          ImGui::SetWindowFontScale(1.0f);
+
+          ImGui::SetNextWindowSize(
+              ImVec2(stream_window_width_, stream_window_height_),
+              ImGuiCond_Always);
+          ImGui::SetNextWindowPos(
+              ImVec2(0, fullscreen_button_pressed_ ? 0 : title_bar_height_),
+              ImGuiCond_Always);
+          ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+          ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+          ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0, 0, 0, 0.0f));
+          ImGui::Begin(props->remote_id_.c_str(), nullptr, stream_window_flag);
+          ImGui::PopStyleColor();
+          ImGui::PopStyleVar(2);
+
+          ImVec2 pos = ImGui::GetWindowPos();
+          ImVec2 size = ImGui::GetWindowSize();
+          props->render_window_x_ = pos.x;
+          props->render_window_y_ = pos.y;
+          props->render_window_width_ = size.x;
+          props->render_window_height_ = size.y;
+          UpdateRenderRect();
+
+          ControlWindow(props);
+
+          focused_remote_id_ = props->remote_id_;
+
+          if (!props->peer_) {
+            it = client_properties_.erase(it);
+            if (client_properties_.empty()) {
+              SDL_Event event;
+              event.type = SDL_EVENT_QUIT;
+              SDL_PushEvent(&event);
+            }
+          } else {
+            DrawConnectionStatusText(props);
+            ++it;
+          }
+
+          ImGui::End();
+          ImGui::EndTabItem();
+        } else {
+          props->tab_selected_ = false;
+          ImGui::SetWindowFontScale(1.0f);
+          ++it;
+        }
+      }
+
+      ImGui::EndTabBar();
+    }
+
+    ImGui::End();  // End TabBar
+  } else {
+    for (auto it = client_properties_.begin();
+         it != client_properties_.end();) {
+      auto& props = it->second;
+      if (!props->tab_opened_) {
+        CloseTab(it);
+        continue;
+      }
+
+      if (props->tab_selected_) {
+        ImGui::SetNextWindowSize(
+            ImVec2(stream_window_width_, stream_window_height_),
+            ImGuiCond_Always);
+        ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+        ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
+        ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(0, 0, 0, 0.0f));
+        ImGui::Begin(props->remote_id_.c_str(), nullptr, stream_window_flag);
+        ImGui::PopStyleColor();
+        ImGui::PopStyleVar(2);
+
+        ImVec2 pos = ImGui::GetWindowPos();
+        ImVec2 size = ImGui::GetWindowSize();
+        props->render_window_x_ = pos.x;
+        props->render_window_y_ = pos.y;
+        props->render_window_width_ = size.x;
+        props->render_window_height_ = size.y;
+        UpdateRenderRect();
+
+        ControlWindow(props);
+        ImGui::End();
+
+        if (!props->peer_) {
+          fullscreen_button_pressed_ = false;
+          SDL_SetWindowFullscreen(stream_window_, false);
+          it = client_properties_.erase(it);
+          if (client_properties_.empty()) {
+            SDL_Event event;
+            event.type = SDL_EVENT_QUIT;
+            SDL_PushEvent(&event);
+          }
+        } else {
+          DrawConnectionStatusText(props);
+          ++it;
+        }
+      } else {
+        ++it;
+      }
+    }
+  }
+
+  // UpdateRenderRect();
+  ImGui::End();  // End VideoBg
+
+  return 0;
+}
+}  // namespace crossdesk

src/log/log.h

@@ -1,127 +0,0 @@
-#ifndef _LOG_H_
-#define _LOG_H_
-
-#include <chrono>
-#include <iomanip>
-#include <iostream>
-#include <sstream>
-#include <string>
-
-#include "spdlog/common.h"
-#include "spdlog/logger.h"
-#include "spdlog/sinks/base_sink.h"
-#include "spdlog/sinks/rotating_file_sink.h"
-#include "spdlog/sinks/stdout_color_sinks.h"
-#include "spdlog/spdlog.h"
-
-using namespace std::chrono;
-
-#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
-
-// SPDLOG_TRACE(...)
-// SPDLOG_DEBUG(...)
-// SPDLOG_INFO(...)
-// SPDLOG_WARN(...)
-// SPDLOG_ERROR(...)
-// SPDLOG_CRITICAL(...)
-
-#ifdef SIGNAL_LOGGER
-constexpr auto LOGGER_NAME = "siganl_server";
-#else
-constexpr auto LOGGER_NAME = "remote_desk";
-#endif
-
-#define LOG_INFO(...)                                                         \
-  if (nullptr == spdlog::get(LOGGER_NAME)) {                                  \
-    auto now = std::chrono::system_clock::now() + std::chrono::hours(8);      \
-    auto timet = std::chrono::system_clock::to_time_t(now);                   \
-    auto localTime = *std::gmtime(&timet);                                    \
-    std::stringstream ss;                                                     \
-    std::string filename;                                                     \
-    ss << LOGGER_NAME;                                                        \
-    ss << std::put_time(&localTime, "-%Y%m%d-%H%M%S.log");                    \
-    ss >> filename;                                                           \
-    std::string path = "logs/" + filename;                                    \
-    std::vector<spdlog::sink_ptr> sinks;                                      \
-    sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>()); \
-    sinks.push_back(std::make_shared<spdlog::sinks::rotating_file_sink_mt>(   \
-        path, 1048576 * 5, 3));                                               \
-    auto combined_logger = std::make_shared<spdlog::logger>(                  \
-        LOGGER_NAME, begin(sinks), end(sinks));                               \
-    combined_logger->flush_on(spdlog::level::info);                           \
-    spdlog::register_logger(combined_logger);                                 \
-    SPDLOG_LOGGER_INFO(combined_logger, __VA_ARGS__);                         \
-  } else {                                                                    \
-    SPDLOG_LOGGER_INFO(spdlog::get(LOGGER_NAME), __VA_ARGS__);                \
-  }
-
-#define LOG_WARN(...)                                                         \
-  if (nullptr == spdlog::get(LOGGER_NAME)) {                                  \
-    auto now = std::chrono::system_clock::now() + std::chrono::hours(8);      \
-    auto timet = std::chrono::system_clock::to_time_t(now);                   \
-    auto localTime = *std::gmtime(&timet);                                    \
-    std::stringstream ss;                                                     \
-    std::string filename;                                                     \
-    ss << LOGGER_NAME;                                                        \
-    ss << std::put_time(&localTime, "-%Y%m%d-%H%M%S.log");                    \
-    ss >> filename;                                                           \
-    std::string path = "logs/" + filename;                                    \
-    std::vector<spdlog::sink_ptr> sinks;                                      \
-    sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>()); \
-    sinks.push_back(std::make_shared<spdlog::sinks::rotating_file_sink_mt>(   \
-        path, 1048576 * 5, 3));                                               \
-    auto combined_logger = std::make_shared<spdlog::logger>(                  \
-        LOGGER_NAME, begin(sinks), end(sinks));                               \
-    spdlog::register_logger(combined_logger);                                 \
-    SPDLOG_LOGGER_WARN(combined_logger, __VA_ARGS__);                         \
-  } else {                                                                    \
-    SPDLOG_LOGGER_WARN(spdlog::get(LOGGER_NAME), __VA_ARGS__);                \
-  }
-
-#define LOG_ERROR(...)                                                        \
-  if (nullptr == spdlog::get(LOGGER_NAME)) {                                  \
-    auto now = std::chrono::system_clock::now() + std::chrono::hours(8);      \
-    auto timet = std::chrono::system_clock::to_time_t(now);                   \
-    auto localTime = *std::gmtime(&timet);                                    \
-    std::stringstream ss;                                                     \
-    std::string filename;                                                     \
-    ss << LOGGER_NAME;                                                        \
-    ss << std::put_time(&localTime, "-%Y%m%d-%H%M%S.log");                    \
-    ss >> filename;                                                           \
-    std::string path = "logs/" + filename;                                    \
-    std::vector<spdlog::sink_ptr> sinks;                                      \
-    sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>()); \
-    sinks.push_back(std::make_shared<spdlog::sinks::rotating_file_sink_mt>(   \
-        path, 1048576 * 5, 3));                                               \
-    auto combined_logger = std::make_shared<spdlog::logger>(                  \
-        LOGGER_NAME, begin(sinks), end(sinks));                               \
-    spdlog::register_logger(combined_logger);                                 \
-    SPDLOG_LOGGER_ERROR(combined_logger, __VA_ARGS__);                        \
-  } else {                                                                    \
-    SPDLOG_LOGGER_ERROR(spdlog::get(LOGGER_NAME), __VA_ARGS__);               \
-  }
-
-#define LOG_FATAL(...)                                                        \
-  if (nullptr == spdlog::get(LOGGER_NAME)) {                                  \
-    auto now = std::chrono::system_clock::now() + std::chrono::hours(8);      \
-    auto timet = std::chrono::system_clock::to_time_t(now);                   \
-    auto localTime = *std::gmtime(&timet);                                    \
-    std::stringstream ss;                                                     \
-    std::string filename;                                                     \
-    ss << LOGGER_NAME;                                                        \
-    ss << std::put_time(&localTime, "-%Y%m%d-%H%M%S.log");                    \
-    ss >> filename;                                                           \
-    std::string path = "logs/" + filename;                                    \
-    std::vector<spdlog::sink_ptr> sinks;                                      \
-    sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>()); \
-    sinks.push_back(std::make_shared<spdlog::sinks::rotating_file_sink_mt>(   \
-        path, 1048576 * 5, 3));                                               \
-    auto combined_logger = std::make_shared<spdlog::logger>(                  \
-        LOGGER_NAME, begin(sinks), end(sinks));                               \
-    spdlog::register_logger(combined_logger);                                 \
-    SPDLOG_LOGGER_CRITICAL(combined_logger, __VA_ARGS__);                     \
-  } else {                                                                    \
-    SPDLOG_LOGGER_CRITICAL(spdlog::get(LOGGER_NAME), __VA_ARGS__);            \
-  }
-
-#endif

src/log/rd_log.cpp

@@ -0,0 +1,65 @@
+#include "rd_log.h"
+
+#include <atomic>
+#include <filesystem>
+
+namespace crossdesk {
+
+namespace {
+
+std::string g_log_dir = "logs";
+std::once_flag g_logger_once_flag;
+std::shared_ptr<spdlog::logger> g_logger;
+std::atomic<bool> g_logger_created{false};
+
+}  // namespace
+
+void InitLogger(const std::string& log_dir) {
+  if (g_logger_created.load()) {
+    LOG_WARN(
+        "InitLogger called after logger initialized. Ignoring log_dir: {}, "
+        "using previous log_dir: {}",
+        log_dir, g_log_dir);
+    return;
+  }
+
+  g_log_dir = log_dir;
+}
+
+std::shared_ptr<spdlog::logger> get_logger() {
+  std::call_once(g_logger_once_flag, []() {
+    g_logger_created.store(true);
+
+    std::error_code ec;
+    std::filesystem::create_directories(g_log_dir, ec);
+
+    auto now = std::chrono::system_clock::now() + std::chrono::hours(8);
+    auto now_time = std::chrono::system_clock::to_time_t(now);
+
+    std::tm tm_info;
+#ifdef _WIN32
+    gmtime_s(&tm_info, &now_time);
+#else
+    gmtime_r(&now_time, &tm_info);
+#endif
+
+    std::stringstream ss;
+    ss << LOGGER_NAME;
+    ss << std::put_time(&tm_info, "-%Y%m%d-%H%M%S.log");
+
+    std::string filename = g_log_dir + "/" + ss.str();
+
+    std::vector<spdlog::sink_ptr> sinks;
+    sinks.push_back(std::make_shared<spdlog::sinks::stdout_color_sink_mt>());
+    sinks.push_back(std::make_shared<spdlog::sinks::rotating_file_sink_mt>(
+        filename, 5 * 1024 * 1024, 3));
+
+    g_logger = std::make_shared<spdlog::logger>(LOGGER_NAME, sinks.begin(),
+                                                sinks.end());
+    g_logger->flush_on(spdlog::level::info);
+    spdlog::register_logger(g_logger);
+  });
+
+  return g_logger;
+}
+}  // namespace crossdesk

src/log/rd_log.h

@@ -0,0 +1,41 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-07-21
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _RD_LOG_H_
+#define _RD_LOG_H_
+
+#include <chrono>
+#include <iomanip>
+#include <iostream>
+#include <memory>
+#include <mutex>
+#include <sstream>
+#include <string>
+#include <vector>
+
+#include "spdlog/common.h"
+#include "spdlog/logger.h"
+#include "spdlog/sinks/base_sink.h"
+#include "spdlog/sinks/rotating_file_sink.h"
+#include "spdlog/sinks/stdout_color_sinks.h"
+#include "spdlog/spdlog.h"
+
+#define SPDLOG_ACTIVE_LEVEL SPDLOG_LEVEL_INFO
+
+namespace crossdesk {
+
+constexpr auto LOGGER_NAME = "crossdesk";
+
+void InitLogger(const std::string& log_dir);
+
+std::shared_ptr<spdlog::logger> get_logger();
+
+#define LOG_INFO(...) SPDLOG_LOGGER_INFO(get_logger(), __VA_ARGS__)
+#define LOG_WARN(...) SPDLOG_LOGGER_WARN(get_logger(), __VA_ARGS__)
+#define LOG_ERROR(...) SPDLOG_LOGGER_ERROR(get_logger(), __VA_ARGS__)
+#define LOG_FATAL(...) SPDLOG_LOGGER_CRITICAL(get_logger(), __VA_ARGS__)
+}  // namespace crossdesk
+#endif

src/path_manager/path_manager.cpp

@@ -0,0 +1,94 @@
+#include "path_manager.h"
+
+#include <cstdlib>
+
+namespace crossdesk {
+
+PathManager::PathManager(const std::string& app_name) : app_name_(app_name) {}
+
+std::filesystem::path PathManager::GetConfigPath() {
+#ifdef _WIN32
+  return GetKnownFolder(FOLDERID_RoamingAppData) / app_name_;
+#elif __APPLE__
+  return GetEnvOrDefault("XDG_CONFIG_HOME", GetHome() + "/.config") / app_name_;
+#else
+  return GetEnvOrDefault("XDG_CONFIG_HOME", GetHome() + "/.config") / app_name_;
+#endif
+}
+
+std::filesystem::path PathManager::GetCachePath() {
+#ifdef _WIN32
+  return GetKnownFolder(FOLDERID_LocalAppData) / app_name_ / "cache";
+#elif __APPLE__
+  return GetEnvOrDefault("XDG_CACHE_HOME", GetHome() + "/.cache") / app_name_;
+#else
+  return GetEnvOrDefault("XDG_CACHE_HOME", GetHome() + "/.cache") / app_name_;
+#endif
+}
+
+std::filesystem::path PathManager::GetLogPath() {
+#ifdef _WIN32
+  return GetKnownFolder(FOLDERID_LocalAppData) / app_name_ / "logs";
+#elif __APPLE__
+  return GetHome() + "/Library/Logs/" + app_name_;
+#else
+  return GetCachePath() / app_name_ / "logs";
+#endif
+}
+
+std::filesystem::path PathManager::GetCertPath() {
+#ifdef _WIN32
+  // %APPDATA%\AppName\Certs
+  return GetKnownFolder(FOLDERID_RoamingAppData) / app_name_ / "certs";
+#elif __APPLE__
+  // $HOME/Library/Application Support/AppName/certs
+  return GetHome() + "/Library/Application Support/" + app_name_ + "/certs";
+#else
+  // $XDG_CONFIG_HOME/AppName/certs
+  return GetEnvOrDefault("XDG_CONFIG_HOME", GetHome() + "/.config") /
+         app_name_ / "certs";
+#endif
+}
+
+bool PathManager::CreateDirectories(const std::filesystem::path& p) {
+  std::error_code ec;
+  bool created = std::filesystem::create_directories(p, ec);
+  if (ec) {
+    return false;
+  }
+  return created || std::filesystem::exists(p);
+}
+
+#ifdef _WIN32
+std::filesystem::path PathManager::GetKnownFolder(REFKNOWNFOLDERID id) {
+  PWSTR path = NULL;
+  if (SUCCEEDED(SHGetKnownFolderPath(id, 0, NULL, &path))) {
+    std::wstring wpath(path);
+    CoTaskMemFree(path);
+    return std::filesystem::path(wpath);
+  }
+  return {};
+}
+#endif
+
+std::string PathManager::GetHome() {
+  if (const char* home = getenv("HOME")) {
+    return std::string(home);
+  }
+#ifdef _WIN32
+  char path[MAX_PATH];
+  if (SUCCEEDED(SHGetFolderPathA(NULL, CSIDL_PROFILE, NULL, 0, path)))
+    return std::string(path);
+#endif
+  return {};
+}
+
+std::filesystem::path PathManager::GetEnvOrDefault(const char* env_var,
+                                                   const std::string& def) {
+  if (const char* val = getenv(env_var)) {
+    return std::filesystem::path(val);
+  }
+
+  return std::filesystem::path(def);
+}
+}  // namespace crossdesk

src/path_manager/path_manager.h

@@ -0,0 +1,46 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-07-16
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _PATH_MANAGER_H_
+#define _PATH_MANAGER_H_
+
+#include <filesystem>
+#include <string>
+#ifdef _WIN32
+#include <shlobj.h>
+#include <windows.h>
+#endif
+
+namespace crossdesk {
+
+class PathManager {
+ public:
+  explicit PathManager(const std::string& app_name);
+
+  std::filesystem::path GetConfigPath();
+
+  std::filesystem::path GetCachePath();
+
+  std::filesystem::path GetLogPath();
+
+  std::filesystem::path GetCertPath();
+
+  bool CreateDirectories(const std::filesystem::path& p);
+
+ private:
+#ifdef _WIN32
+  std::filesystem::path GetKnownFolder(REFKNOWNFOLDERID id);
+#endif
+
+  std::string GetHome();
+  std::filesystem::path GetEnvOrDefault(const char* env_var,
+                                        const std::string& def);
+
+ private:
+  std::string app_name_;
+};
+}  // namespace crossdesk
+#endif

src/screen_capture/linux/screen_capture_x11.cpp

@@ -1,134 +0,0 @@
-#include "screen_capture_x11.h"
-
-#include <iostream>
-
-#include "log.h"
-
-#define NV12_BUFFER_SIZE 1280 * 720 * 3 / 2
-unsigned char nv12_buffer_[NV12_BUFFER_SIZE];
-
-ScreenCaptureX11::ScreenCaptureX11() {}
-
-ScreenCaptureX11::~ScreenCaptureX11() {
-  if (capture_thread_->joinable()) {
-    capture_thread_->join();
-  }
-}
-
-int ScreenCaptureX11::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
-                           cb_desktop_data cb) {
-  if (cb) {
-    _on_data = cb;
-  }
-
-  pFormatCtx_ = avformat_alloc_context();
-
-  avdevice_register_all();
-
-  // grabbing frame rate
-  av_dict_set(&options_, "framerate", "30", 0);
-  // Make the grabbed area follow the mouse
-  // av_dict_set(&options_, "follow_mouse", "centered", 0);
-  // Video frame size. The default is to capture the full screen
-  // av_dict_set(&options_, "video_size", "1280x720", 0);
-  ifmt_ = (AVInputFormat *)av_find_input_format("x11grab");
-  if (!ifmt_) {
-    printf("Couldn't find_input_format\n");
-  }
-
-  // Grab at position 10,20
-  if (avformat_open_input(&pFormatCtx_, ":0.0", ifmt_, &options_) != 0) {
-    printf("Couldn't open input stream.\n");
-    return -1;
-  }
-
-  if (avformat_find_stream_info(pFormatCtx_, NULL) < 0) {
-    printf("Couldn't find stream information.\n");
-    return -1;
-  }
-
-  videoindex_ = -1;
-  for (i_ = 0; i_ < pFormatCtx_->nb_streams; i_++)
-    if (pFormatCtx_->streams[i_]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
-      videoindex_ = i_;
-      break;
-    }
-  if (videoindex_ == -1) {
-    printf("Didn't find a video stream.\n");
-    return -1;
-  }
-
-  pCodecParam_ = pFormatCtx_->streams[videoindex_]->codecpar;
-
-  pCodecCtx_ = avcodec_alloc_context3(NULL);
-  avcodec_parameters_to_context(pCodecCtx_, pCodecParam_);
-
-  pCodec_ = const_cast<AVCodec *>(avcodec_find_decoder(pCodecCtx_->codec_id));
-  if (pCodec_ == NULL) {
-    printf("Codec not found.\n");
-    return -1;
-  }
-  if (avcodec_open2(pCodecCtx_, pCodec_, NULL) < 0) {
-    printf("Could not open codec.\n");
-    return -1;
-  }
-
-  const int screen_w = pFormatCtx_->streams[videoindex_]->codecpar->width;
-  const int screen_h = pFormatCtx_->streams[videoindex_]->codecpar->height;
-
-  pFrame_ = av_frame_alloc();
-  pFrameNv12_ = av_frame_alloc();
-
-  pFrame_->width = screen_w;
-  pFrame_->height = screen_h;
-  pFrameNv12_->width = 1280;
-  pFrameNv12_->height = 720;
-
-  packet_ = (AVPacket *)av_malloc(sizeof(AVPacket));
-
-  img_convert_ctx_ = sws_getContext(
-      pFrame_->width, pFrame_->height, pCodecCtx_->pix_fmt, pFrameNv12_->width,
-      pFrameNv12_->height, AV_PIX_FMT_NV12, SWS_BICUBIC, NULL, NULL, NULL);
-
-  return 0;
-}
-
-int ScreenCaptureX11::Start() {
-  capture_thread_.reset(new std::thread([this]() {
-    while (1) {
-      if (av_read_frame(pFormatCtx_, packet_) >= 0) {
-        if (packet_->stream_index == videoindex_) {
-          avcodec_send_packet(pCodecCtx_, packet_);
-          av_packet_unref(packet_);
-          got_picture_ = avcodec_receive_frame(pCodecCtx_, pFrame_);
-
-          if (!got_picture_) {
-            av_image_fill_arrays(pFrameNv12_->data, pFrameNv12_->linesize,
-                                 nv12_buffer_, AV_PIX_FMT_NV12,
-                                 pFrameNv12_->width, pFrameNv12_->height, 1);
-
-            sws_scale(img_convert_ctx_, pFrame_->data, pFrame_->linesize, 0,
-                      pFrame_->height, pFrameNv12_->data,
-                      pFrameNv12_->linesize);
-
-            _on_data((unsigned char *)nv12_buffer_,
-                     pFrameNv12_->width * pFrameNv12_->height * 3 / 2,
-                     pFrameNv12_->width, pFrameNv12_->height);
-          }
-        }
-      }
-    }
-  }));
-
-  return 0;
-}
-
-int ScreenCaptureX11::Pause() { return 0; }
-
-int ScreenCaptureX11::Resume() { return 0; }
-
-int ScreenCaptureX11::Stop() { return 0; }
-
-void ScreenCaptureX11::OnFrame() {}
-
-void ScreenCaptureX11::CleanUp() {}

src/screen_capture/linux/screen_capture_x11.h

@@ -1,85 +0,0 @@
-#ifndef _SCREEN_CAPTURE_X11_H_
-#define _SCREEN_CAPTURE_X11_H_
-
-#include <atomic>
-#include <functional>
-#include <string>
-#include <thread>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#include <libavcodec/avcodec.h>
-#include <libavdevice/avdevice.h>
-#include <libavformat/avformat.h>
-#include <libavutil/imgutils.h>
-#include <libswscale/swscale.h>
-#ifdef __cplusplus
-};
-#endif
-
-typedef struct {
-  int left;
-  int top;
-  int right;
-  int bottom;
-} RECORD_DESKTOP_RECT;
-
-typedef std::function<void(unsigned char *, int, int, int)> cb_desktop_data;
-typedef std::function<void(int)> cb_desktop_error;
-
-class ScreenCaptureX11 {
- public:
-  ScreenCaptureX11();
-  ~ScreenCaptureX11();
-
- public:
-  int Init(const RECORD_DESKTOP_RECT &rect, const int fps, cb_desktop_data cb);
-
-  int Start();
-  int Pause();
-  int Resume();
-  int Stop();
-
-  void OnFrame();
-
- protected:
-  void CleanUp();
-
- private:
-  std::atomic_bool _running;
-  std::atomic_bool _paused;
-  std::atomic_bool _inited;
-
-  std::thread _thread;
-
-  std::string _device_name;
-
-  RECORD_DESKTOP_RECT _rect;
-
-  int _fps;
-
-  cb_desktop_data _on_data;
-  cb_desktop_error _on_error;
-
- private:
-  int i_ = 0;
-  int videoindex_ = 0;
-  int got_picture_ = 0;
-  // ffmpeg
-  AVFormatContext *pFormatCtx_ = nullptr;
-  AVCodecContext *pCodecCtx_ = nullptr;
-  AVCodec *pCodec_ = nullptr;
-  AVCodecParameters *pCodecParam_ = nullptr;
-  AVDictionary *options_ = nullptr;
-  AVInputFormat *ifmt_ = nullptr;
-  AVFrame *pFrame_ = nullptr;
-  AVFrame *pFrameNv12_ = nullptr;
-  AVPacket *packet_ = nullptr;
-  struct SwsContext *img_convert_ctx_ = nullptr;
-
-  // thread
-  std::unique_ptr<std::thread> capture_thread_ = nullptr;
-};
-
-#endif

src/screen_capture/linux/x11_session.h

@@ -1,37 +0,0 @@
-#ifndef _X11_SESSION_H_
-#define _X11_SESSION_H_
-
-class X11Session {
- public:
-  struct x11_session_frame {
-    unsigned int width;
-    unsigned int height;
-    unsigned int row_pitch;
-
-    const unsigned char *data;
-  };
-
-  class x11_session_observer {
-   public:
-    virtual ~x11_session_observer() {}
-    virtual void OnFrame(const x11_session_frame &frame) = 0;
-  };
-
- public:
-  virtual void Release() = 0;
-
-  virtual int Initialize() = 0;
-
-  virtual void RegisterObserver(x11_session_observer *observer) = 0;
-
-  virtual int Start() = 0;
-  virtual int Stop() = 0;
-
-  virtual int Pause() = 0;
-  virtual int Resume() = 0;
-
- protected:
-  virtual ~X11Session(){};
-};
-
-#endif

src/screen_capture/linux/x11_session_impl.cpp

@@ -1,49 +0,0 @@
-#include "x11_session_impl.h"
-
-#include <atomic>
-#include <functional>
-#include <iostream>
-#include <memory>
-
-#define CHECK_INIT                            \
-  if (!is_initialized_) {                     \
-    std::cout << "AE_NEED_INIT" << std::endl; \
-    return 4;                                 \
-  }
-
-X11SessionImpl::X11SessionImpl() {}
-
-X11SessionImpl::~X11SessionImpl() {
-  Stop();
-  CleanUp();
-}
-
-void X11SessionImpl::Release() { delete this; }
-
-int X11SessionImpl::Initialize() { return 0; }
-
-void X11SessionImpl::RegisterObserver(x11_session_observer *observer) {
-  observer_ = observer;
-}
-
-int X11SessionImpl::Start() {
-  if (is_running_) return 0;
-
-  int error = 1;
-
-  CHECK_INIT;
-
-  return error;
-}
-
-int X11SessionImpl::Stop() { return 0; }
-
-int X11SessionImpl::Pause() { return 0; }
-
-int X11SessionImpl::Resume() { return 0; }
-
-void X11SessionImpl::OnFrame() {}
-
-void X11SessionImpl::OnClosed() {}
-
-void X11SessionImpl::CleanUp() {}

src/screen_capture/linux/x11_session_impl.h

@@ -1,44 +0,0 @@
-#ifndef _WGC_SESSION_IMPL_H_
-#define _WGC_SESSION_IMPL_H_
-
-#include <mutex>
-#include <thread>
-
-#include "x11_session.h"
-
-class X11SessionImpl : public X11Session {
- public:
-  X11SessionImpl();
-  ~X11SessionImpl() override;
-
- public:
-  void Release() override;
-
-  int Initialize() override;
-
-  void RegisterObserver(x11_session_observer *observer) override;
-
-  int Start() override;
-  int Stop() override;
-
-  int Pause() override;
-  int Resume() override;
-
- private:
-  void OnFrame();
-  void OnClosed();
-
-  void CleanUp();
-
-  // void message_func();
-
- private:
-  std::mutex lock_;
-  bool is_initialized_ = false;
-  bool is_running_ = false;
-  bool is_paused_ = false;
-
-  x11_session_observer *observer_ = nullptr;
-};
-
-#endif

src/screen_capture/macosx/screen_capture_wgc.cpp

@@ -1,26 +0,0 @@
-#include "screen_capture_wgc.h"
-
-#include <iostream>
-
-ScreenCaptureWgc::ScreenCaptureWgc() {}
-
-ScreenCaptureWgc::~ScreenCaptureWgc() {}
-
-bool ScreenCaptureWgc::IsWgcSupported() { return false; }
-
-int ScreenCaptureWgc::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
-                           cb_desktop_data cb) {
-  return 0;
-}
-
-int ScreenCaptureWgc::Start() { return 0; }
-
-int ScreenCaptureWgc::Pause() { return 0; }
-
-int ScreenCaptureWgc::Resume() { return 0; }
-
-int ScreenCaptureWgc::Stop() { return 0; }
-
-void ScreenCaptureWgc::OnFrame() {}
-
-void ScreenCaptureWgc::CleanUp() {}

src/screen_capture/macosx/screen_capture_wgc.h

@@ -1,56 +0,0 @@
-#ifndef _SCREEN_CAPTURE_WGC_H_
-#define _SCREEN_CAPTURE_WGC_H_
-
-#include <atomic>
-#include <functional>
-#include <string>
-#include <thread>
-
-typedef struct {
-  int left;
-  int top;
-  int right;
-  int bottom;
-} RECORD_DESKTOP_RECT;
-
-typedef std::function<void(unsigned char *, int, int, int)> cb_desktop_data;
-typedef std::function<void(int)> cb_desktop_error;
-
-class ScreenCaptureWgc {
- public:
-  ScreenCaptureWgc();
-  ~ScreenCaptureWgc();
-
- public:
-  bool IsWgcSupported();
-
-  int Init(const RECORD_DESKTOP_RECT &rect, const int fps, cb_desktop_data cb);
-
-  int Start();
-  int Pause();
-  int Resume();
-  int Stop();
-
-  void OnFrame();
-
- protected:
-  void CleanUp();
-
- private:
-  std::atomic_bool _running;
-  std::atomic_bool _paused;
-  std::atomic_bool _inited;
-
-  std::thread _thread;
-
-  std::string _device_name;
-
-  RECORD_DESKTOP_RECT _rect;
-
-  int _fps;
-
-  cb_desktop_data _on_data;
-  cb_desktop_error _on_error;
-};
-
-#endif

src/screen_capture/windows/screen_capture_wgc.cpp

@@ -1,138 +0,0 @@
-#include "screen_capture_wgc.h"
-
-#include <Windows.h>
-#include <d3d11_4.h>
-#include <winrt/Windows.Foundation.Metadata.h>
-#include <winrt/Windows.Graphics.Capture.h>
-
-#include <iostream>
-
-BOOL WINAPI EnumMonitorProc(HMONITOR hmonitor, HDC hdc, LPRECT lprc,
-                            LPARAM data) {
-  MONITORINFOEX info_ex;
-  info_ex.cbSize = sizeof(MONITORINFOEX);
-
-  GetMonitorInfo(hmonitor, &info_ex);
-
-  if (info_ex.dwFlags == DISPLAY_DEVICE_MIRRORING_DRIVER) return true;
-
-  if (info_ex.dwFlags & MONITORINFOF_PRIMARY) {
-    *(HMONITOR *)data = hmonitor;
-  }
-
-  return true;
-}
-
-HMONITOR GetPrimaryMonitor() {
-  HMONITOR hmonitor = nullptr;
-
-  ::EnumDisplayMonitors(NULL, NULL, EnumMonitorProc, (LPARAM)&hmonitor);
-
-  return hmonitor;
-}
-
-ScreenCaptureWgc::ScreenCaptureWgc() {}
-
-ScreenCaptureWgc::~ScreenCaptureWgc() {
-  Stop();
-  CleanUp();
-}
-
-bool ScreenCaptureWgc::IsWgcSupported() {
-  try {
-    /* no contract for IGraphicsCaptureItemInterop, verify 10.0.18362.0 */
-    return winrt::Windows::Foundation::Metadata::ApiInformation::
-        IsApiContractPresent(L"Windows.Foundation.UniversalApiContract", 8);
-  } catch (const winrt::hresult_error &) {
-    return false;
-  } catch (...) {
-    return false;
-  }
-}
-
-int ScreenCaptureWgc::Init(const RECORD_DESKTOP_RECT &rect, const int fps,
-                           cb_desktop_data cb) {
-  int error = 0;
-  if (_inited == true) return error;
-
-  _fps = fps;
-
-  _on_data = cb;
-
-  do {
-    if (!IsWgcSupported()) {
-      std::cout << "AE_UNSUPPORT" << std::endl;
-      error = 2;
-      break;
-    }
-
-    session_ = new WgcSessionImpl();
-    if (!session_) {
-      error = -1;
-      std::cout << "AE_WGC_CREATE_CAPTURER_FAILED" << std::endl;
-      break;
-    }
-
-    session_->RegisterObserver(this);
-
-    error = session_->Initialize(GetPrimaryMonitor());
-
-    _inited = true;
-  } while (0);
-
-  if (error != 0) {
-  }
-
-  return error;
-}
-
-int ScreenCaptureWgc::Start() {
-  if (_running == true) {
-    std::cout << "record desktop duplication is already running" << std::endl;
-    return 0;
-  }
-
-  if (_inited == false) {
-    std::cout << "AE_NEED_INIT" << std::endl;
-    return 4;
-  }
-
-  _running = true;
-  session_->Start();
-
-  return 0;
-}
-
-int ScreenCaptureWgc::Pause() {
-  _paused = true;
-  if (session_) session_->Pause();
-  return 0;
-}
-
-int ScreenCaptureWgc::Resume() {
-  _paused = false;
-  if (session_) session_->Resume();
-  return 0;
-}
-
-int ScreenCaptureWgc::Stop() {
-  _running = false;
-
-  if (session_) session_->Stop();
-
-  return 0;
-}
-
-void ScreenCaptureWgc::OnFrame(const WgcSession::wgc_session_frame &frame) {
-  if (_on_data)
-    _on_data((unsigned char *)frame.data, frame.width * frame.height * 4,
-             frame.width, frame.height);
-}
-
-void ScreenCaptureWgc::CleanUp() {
-  _inited = false;
-
-  if (session_) session_->Release();
-
-  session_ = nullptr;
-}

src/screen_capture/windows/screen_capture_wgc.h

@@ -1,61 +0,0 @@
-#ifndef _SCREEN_CAPTURE_WGC_H_
-#define _SCREEN_CAPTURE_WGC_H_
-
-#include <atomic>
-#include <functional>
-#include <string>
-#include <thread>
-
-#include "wgc_session.h"
-#include "wgc_session_impl.h"
-
-typedef struct {
-  int left;
-  int top;
-  int right;
-  int bottom;
-} RECORD_DESKTOP_RECT;
-
-typedef std::function<void(unsigned char *, int, int, int)> cb_desktop_data;
-typedef std::function<void(int)> cb_desktop_error;
-
-class ScreenCaptureWgc : public WgcSession::wgc_session_observer {
- public:
-  ScreenCaptureWgc();
-  ~ScreenCaptureWgc();
-
- public:
-  bool IsWgcSupported();
-
-  int Init(const RECORD_DESKTOP_RECT &rect, const int fps, cb_desktop_data cb);
-
-  int Start();
-  int Pause();
-  int Resume();
-  int Stop();
-
-  void OnFrame(const WgcSession::wgc_session_frame &frame);
-
- protected:
-  void CleanUp();
-
- private:
-  WgcSession *session_ = nullptr;
-
-  std::atomic_bool _running;
-  std::atomic_bool _paused;
-  std::atomic_bool _inited;
-
-  std::thread _thread;
-
-  std::string _device_name;
-
-  RECORD_DESKTOP_RECT _rect;
-
-  int _fps;
-
-  cb_desktop_data _on_data;
-  cb_desktop_error _on_error;
-};
-
-#endif

src/screen_capturer/linux/screen_capturer_x11.cpp

@@ -0,0 +1,177 @@
+#include "screen_capturer_x11.h"
+
+#include <chrono>
+#include <thread>
+
+#include "libyuv.h"
+#include "rd_log.h"
+
+namespace crossdesk {
+
+ScreenCapturerX11::ScreenCapturerX11() {}
+
+ScreenCapturerX11::~ScreenCapturerX11() { Destroy(); }
+
+int ScreenCapturerX11::Init(const int fps, cb_desktop_data cb) {
+  display_ = XOpenDisplay(nullptr);
+  if (!display_) {
+    LOG_ERROR("Cannot connect to X server");
+    return -1;
+  }
+
+  root_ = DefaultRootWindow(display_);
+  screen_res_ = XRRGetScreenResources(display_, root_);
+  if (!screen_res_) {
+    LOG_ERROR("Failed to get screen resources");
+    XCloseDisplay(display_);
+    return 1;
+  }
+
+  for (int i = 0; i < screen_res_->noutput; ++i) {
+    RROutput output = screen_res_->outputs[i];
+    XRROutputInfo* output_info =
+        XRRGetOutputInfo(display_, screen_res_, output);
+
+    if (output_info->connection == RR_Connected && output_info->crtc != 0) {
+      XRRCrtcInfo* crtc_info =
+          XRRGetCrtcInfo(display_, screen_res_, output_info->crtc);
+
+      display_info_list_.push_back(
+          DisplayInfo((void*)display_, output_info->name, true, crtc_info->x,
+                      crtc_info->y, crtc_info->width, crtc_info->height));
+
+      XRRFreeCrtcInfo(crtc_info);
+    }
+
+    if (output_info) {
+      XRRFreeOutputInfo(output_info);
+    }
+  }
+
+  XWindowAttributes attr;
+  XGetWindowAttributes(display_, root_, &attr);
+
+  width_ = attr.width;
+  height_ = attr.height;
+
+  if (width_ % 2 != 0 || height_ % 2 != 0) {
+    LOG_ERROR("Width and height must be even numbers");
+    return -2;
+  }
+
+  fps_ = fps;
+  callback_ = cb;
+
+  y_plane_.resize(width_ * height_);
+  uv_plane_.resize((width_ / 2) * (height_ / 2) * 2);
+
+  return 0;
+}
+
+int ScreenCapturerX11::Destroy() {
+  Stop();
+
+  y_plane_.clear();
+  uv_plane_.clear();
+
+  if (screen_res_) {
+    XRRFreeScreenResources(screen_res_);
+    screen_res_ = nullptr;
+  }
+
+  if (display_) {
+    XCloseDisplay(display_);
+    display_ = nullptr;
+  }
+  return 0;
+}
+
+int ScreenCapturerX11::Start() {
+  if (running_) return 0;
+  running_ = true;
+  paused_ = false;
+  thread_ = std::thread([this]() {
+    while (running_) {
+      if (!paused_) OnFrame();
+    }
+  });
+  return 0;
+}
+
+int ScreenCapturerX11::Stop() {
+  if (!running_) return 0;
+  running_ = false;
+  if (thread_.joinable()) thread_.join();
+  return 0;
+}
+
+int ScreenCapturerX11::Pause(int monitor_index) {
+  paused_ = true;
+  return 0;
+}
+
+int ScreenCapturerX11::Resume(int monitor_index) {
+  paused_ = false;
+  return 0;
+}
+
+int ScreenCapturerX11::SwitchTo(int monitor_index) {
+  monitor_index_ = monitor_index;
+  return 0;
+}
+
+std::vector<DisplayInfo> ScreenCapturerX11::GetDisplayInfoList() {
+  return display_info_list_;
+}
+
+void ScreenCapturerX11::OnFrame() {
+  if (!display_) {
+    LOG_ERROR("Display is not initialized");
+    return;
+  }
+
+  if (monitor_index_ < 0 || monitor_index_ >= display_info_list_.size()) {
+    LOG_ERROR("Invalid monitor index: {}", monitor_index_.load());
+    return;
+  }
+
+  left_ = display_info_list_[monitor_index_].left;
+  top_ = display_info_list_[monitor_index_].top;
+  width_ = display_info_list_[monitor_index_].width;
+  height_ = display_info_list_[monitor_index_].height;
+
+  XImage* image = XGetImage(display_, root_, left_, top_, width_, height_,
+                            AllPlanes, ZPixmap);
+  if (!image) return;
+
+  bool needs_copy = image->bytes_per_line != width_ * 4;
+  std::vector<uint8_t> argb_buf;
+  uint8_t* src_argb = nullptr;
+
+  if (needs_copy) {
+    argb_buf.resize(width_ * height_ * 4);
+    for (int y = 0; y < height_; ++y) {
+      memcpy(&argb_buf[y * width_ * 4], image->data + y * image->bytes_per_line,
+             width_ * 4);
+    }
+    src_argb = argb_buf.data();
+  } else {
+    src_argb = reinterpret_cast<uint8_t*>(image->data);
+  }
+
+  libyuv::ARGBToNV12(src_argb, width_ * 4, y_plane_.data(), width_,
+                     uv_plane_.data(), width_, width_, height_);
+
+  std::vector<uint8_t> nv12;
+  nv12.reserve(y_plane_.size() + uv_plane_.size());
+  nv12.insert(nv12.end(), y_plane_.begin(), y_plane_.end());
+  nv12.insert(nv12.end(), uv_plane_.begin(), uv_plane_.end());
+
+  if (callback_) {
+    callback_(nv12.data(), width_ * height_ * 3 / 2, width_, height_,
+              display_info_list_[monitor_index_].name.c_str());
+  }
+
+  XDestroyImage(image);
+}
+}  // namespace crossdesk

src/screen_capturer/linux/screen_capturer_x11.h

@@ -0,0 +1,66 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-05-07
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SCREEN_CAPTURER_X11_H_
+#define _SCREEN_CAPTURER_X11_H_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/Xrandr.h>
+
+#include <atomic>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <thread>
+#include <vector>
+
+#include "screen_capturer.h"
+
+namespace crossdesk {
+
+class ScreenCapturerX11 : public ScreenCapturer {
+ public:
+  ScreenCapturerX11();
+  ~ScreenCapturerX11();
+
+ public:
+  int Init(const int fps, cb_desktop_data cb) override;
+  int Destroy() override;
+  int Start() override;
+  int Stop() override;
+
+  int Pause(int monitor_index) override;
+  int Resume(int monitor_index) override;
+
+  int SwitchTo(int monitor_index) override;
+
+  std::vector<DisplayInfo> GetDisplayInfoList() override;
+
+  void OnFrame();
+
+ private:
+  Display* display_ = nullptr;
+  Window root_ = 0;
+  XRRScreenResources* screen_res_ = nullptr;
+  int left_ = 0;
+  int top_ = 0;
+  int width_ = 0;
+  int height_ = 0;
+  std::thread thread_;
+  std::atomic<bool> running_{false};
+  std::atomic<bool> paused_{false};
+  std::atomic<int> monitor_index_{0};
+  int fps_ = 60;
+  cb_desktop_data callback_;
+  std::vector<DisplayInfo> display_info_list_;
+
+  // 缓冲区
+  std::vector<uint8_t> y_plane_;
+  std::vector<uint8_t> uv_plane_;
+};
+}  // namespace crossdesk
+#endif

src/screen_capturer/macosx/screen_capturer_sck.cpp

@@ -0,0 +1,76 @@
+#include "screen_capturer_sck.h"
+
+#include "rd_log.h"
+
+namespace crossdesk {
+
+ScreenCapturerSck::ScreenCapturerSck() {}
+ScreenCapturerSck::~ScreenCapturerSck() {}
+
+int ScreenCapturerSck::Init(const int fps, cb_desktop_data cb) {
+  if (cb) {
+    on_data_ = cb;
+  } else {
+    LOG_ERROR("cb is null");
+    return -1;
+  }
+
+  screen_capturer_sck_impl_ = CreateScreenCapturerSck();
+  screen_capturer_sck_impl_->Init(fps, on_data_);
+
+  return 0;
+}
+
+int ScreenCapturerSck::Destroy() {
+  if (screen_capturer_sck_impl_) {
+    screen_capturer_sck_impl_->Destroy();
+  }
+  return 0;
+}
+
+int ScreenCapturerSck::Start() {
+  screen_capturer_sck_impl_->Start();
+  return 0;
+}
+
+int ScreenCapturerSck::Stop() {
+  if (screen_capturer_sck_impl_) {
+    screen_capturer_sck_impl_->Stop();
+  }
+  return 0;
+}
+
+int ScreenCapturerSck::Pause(int monitor_index) {
+  if (screen_capturer_sck_impl_) {
+    return screen_capturer_sck_impl_->Pause(monitor_index);
+  }
+  return 0;
+}
+
+int ScreenCapturerSck::Resume(int monitor_index) {
+  if (screen_capturer_sck_impl_) {
+    return screen_capturer_sck_impl_->Resume(monitor_index);
+  }
+  return 0;
+}
+
+int ScreenCapturerSck::SwitchTo(int monitor_index) {
+  if (screen_capturer_sck_impl_) {
+    return screen_capturer_sck_impl_->SwitchTo(monitor_index);
+  }
+
+  return -1;
+}
+
+std::vector<DisplayInfo> ScreenCapturerSck::GetDisplayInfoList() {
+  if (screen_capturer_sck_impl_) {
+    return screen_capturer_sck_impl_->GetDisplayInfoList();
+  }
+
+  return std::vector<DisplayInfo>();
+}
+
+void ScreenCapturerSck::OnFrame() {}
+
+void ScreenCapturerSck::CleanUp() {}
+}  // namespace crossdesk

src/screen_capturer/macosx/screen_capturer_sck.h

@@ -0,0 +1,61 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-10-17
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SCREEN_CAPTURER_SCK_H_
+#define _SCREEN_CAPTURER_SCK_H_
+
+#include <atomic>
+#include <functional>
+#include <memory>
+#include <string>
+#include <thread>
+#include <vector>
+
+#include "screen_capturer.h"
+
+namespace crossdesk {
+
+class ScreenCapturerSck : public ScreenCapturer {
+ public:
+  ScreenCapturerSck();
+  ~ScreenCapturerSck();
+
+ public:
+  int Init(const int fps, cb_desktop_data cb) override;
+  int Destroy() override;
+  int Start() override;
+  int Stop() override;
+
+  int Pause(int monitor_index) override;
+  int Resume(int monitor_index) override;
+
+  int SwitchTo(int monitor_index) override;
+
+  std::vector<DisplayInfo> GetDisplayInfoList() override;
+
+  void OnFrame();
+
+ protected:
+  void CleanUp();
+
+ private:
+  std::unique_ptr<ScreenCapturer> CreateScreenCapturerSck();
+
+ private:
+  int _fps;
+  cb_desktop_data on_data_;
+  unsigned char* nv12_frame_ = nullptr;
+  bool inited_ = false;
+
+  // thread
+  std::thread capture_thread_;
+  std::atomic_bool running_;
+
+ private:
+  std::unique_ptr<ScreenCapturer> screen_capturer_sck_impl_;
+};
+}  // namespace crossdesk
+#endif

src/screen_capturer/macosx/screen_capturer_sck_impl.mm

@@ -0,0 +1,491 @@
+/*
+ *  Copyright (c) 2024 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "screen_capturer_sck.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreGraphics/CoreGraphics.h>
+#include <IOKit/IOKitLib.h>
+#include <IOKit/graphics/IOGraphicsLib.h>
+#include <IOSurface/IOSurface.h>
+#include <ScreenCaptureKit/ScreenCaptureKit.h>
+#include <atomic>
+#include <mutex>
+#include <vector>
+#include "display_info.h"
+#include "rd_log.h"
+
+using namespace crossdesk;
+
+class ScreenCapturerSckImpl;
+
+static const int kFullDesktopScreenId = -1;
+
+// The ScreenCaptureKit API was available in macOS 12.3, but full-screen capture
+// was reported to be broken before macOS 13 - see http://crbug.com/40234870.
+// Also, the `SCContentFilter` fields `contentRect` and `pointPixelScale` were
+// introduced in macOS 14.
+API_AVAILABLE(macos(14.0))
+@interface SckHelper : NSObject <SCStreamDelegate, SCStreamOutput>
+
+- (instancetype)initWithCapturer:(ScreenCapturerSckImpl *)capturer;
+
+- (void)onShareableContentCreated:(SCShareableContent *)content;
+
+// Called just before the capturer is destroyed. This avoids a dangling pointer,
+// and prevents any new calls into a deleted capturer. If any method-call on the
+// capturer is currently running on a different thread, this blocks until it
+// completes.
+- (void)releaseCapturer;
+@end
+
+class API_AVAILABLE(macos(14.0)) ScreenCapturerSckImpl : public ScreenCapturer {
+ public:
+  explicit ScreenCapturerSckImpl();
+
+  ScreenCapturerSckImpl(const ScreenCapturerSckImpl &) = delete;
+  ScreenCapturerSckImpl &operator=(const ScreenCapturerSckImpl &) = delete;
+  ~ScreenCapturerSckImpl();
+
+ public:
+  int Init(const int fps, cb_desktop_data cb) override;
+
+  int Start() override;
+
+  int SwitchTo(int monitor_index) override;
+
+  int Destroy() override;
+
+  int Stop() override;
+
+  int Pause(int monitor_index) override { return 0; }
+
+  int Resume(int monitor_index) override { return 0; }
+
+  std::vector<DisplayInfo> GetDisplayInfoList() override { return display_info_list_; }
+
+ private:
+  std::vector<DisplayInfo> display_info_list_;
+  std::map<int, CGDirectDisplayID> display_id_map_;
+  std::map<CGDirectDisplayID, int> display_id_map_reverse_;
+  std::map<CGDirectDisplayID, std::string> display_id_name_map_;
+  unsigned char *nv12_frame_ = nullptr;
+  int width_ = 0;
+  int height_ = 0;
+  int fps_ = 60;
+
+ public:
+  // Called by SckHelper when shareable content is returned by ScreenCaptureKit. `content` will be
+  // nil if an error occurred. May run on an arbitrary thread.
+  void OnShareableContentCreated(SCShareableContent *content);
+  // Called by SckHelper to notify of a newly captured frame. May run on an arbitrary thread.
+  // void OnNewIOSurface(IOSurfaceRef io_surface, CFDictionaryRef attachment);
+  void OnNewCVPixelBuffer(CVPixelBufferRef pixelBuffer, CFDictionaryRef attachment);
+
+ private:
+  // Called when starting the capturer or the configuration has changed (either from a
+  // SwitchTo() call, or the screen-resolution has changed). This tells SCK to fetch new
+  // shareable content, and the completion-handler will either start a new stream, or reconfigure
+  // the existing stream. Runs on the caller's thread.
+  void StartOrReconfigureCapturer();
+  // Helper object to receive Objective-C callbacks from ScreenCaptureKit and call into this C++
+  // object. The helper may outlive this C++ instance, if a completion-handler is passed to
+  // ScreenCaptureKit APIs and the C++ object is deleted before the handler executes.
+  SckHelper *__strong helper_;
+  // Callback for returning captured frames, or errors, to the caller. Only used on the caller's
+  // thread.
+  cb_desktop_data _on_data = nullptr;
+  // Signals that a permanent error occurred. This may be set on any thread, and is read by
+  // CaptureFrame() which runs on the caller's thread.
+  std::atomic<bool> permanent_error_ = false;
+  // Guards some variables that may be accessed on different threads.
+  std::mutex lock_;
+  // Provides captured desktop frames.
+  SCStream *__strong stream_;
+  // Currently selected display, or 0 if the full desktop is selected. This capturer does not
+  // support full-desktop capture, and will fall back to the first display.
+  CGDirectDisplayID current_display_ = 0;
+};
+
+std::string GetDisplayName(CGDirectDisplayID display_id) {
+  io_iterator_t iter;
+  io_service_t serv = 0, matched_serv = 0;
+
+  CFMutableDictionaryRef matching = IOServiceMatching("IODisplayConnect");
+  if (IOServiceGetMatchingServices(kIOMainPortDefault, matching, &iter) != KERN_SUCCESS) {
+    return "";
+  }
+
+  while ((serv = IOIteratorNext(iter)) != 0) {
+    CFDictionaryRef info = IODisplayCreateInfoDictionary(serv, kIODisplayOnlyPreferredName);
+    if (info) {
+      CFNumberRef vendorID = (CFNumberRef)CFDictionaryGetValue(info, CFSTR(kDisplayVendorID));
+      CFNumberRef productID = (CFNumberRef)CFDictionaryGetValue(info, CFSTR(kDisplayProductID));
+      uint32_t vID = 0, pID = 0;
+      if (vendorID && productID && CFNumberGetValue(vendorID, kCFNumberIntType, &vID) &&
+          CFNumberGetValue(productID, kCFNumberIntType, &pID) &&
+          vID == CGDisplayVendorNumber(display_id) && pID == CGDisplayModelNumber(display_id)) {
+        matched_serv = serv;
+        CFRelease(info);
+        break;
+      }
+      CFRelease(info);
+    }
+    IOObjectRelease(serv);
+  }
+  IOObjectRelease(iter);
+
+  if (!matched_serv) return "";
+
+  CFDictionaryRef display_info =
+      IODisplayCreateInfoDictionary(matched_serv, kIODisplayOnlyPreferredName);
+  IOObjectRelease(matched_serv);
+  if (!display_info) return "";
+
+  CFDictionaryRef product_name_dict =
+      (CFDictionaryRef)CFDictionaryGetValue(display_info, CFSTR(kDisplayProductName));
+  std::string result;
+  if (product_name_dict) {
+    CFIndex count = CFDictionaryGetCount(product_name_dict);
+    if (count > 0) {
+      std::vector<const void *> keys(count);
+      std::vector<const void *> values(count);
+      CFDictionaryGetKeysAndValues(product_name_dict, keys.data(), values.data());
+      CFStringRef name_ref = (CFStringRef)values[0];
+      if (name_ref) {
+        CFIndex maxSize =
+            CFStringGetMaximumSizeForEncoding(CFStringGetLength(name_ref), kCFStringEncodingUTF8) +
+            1;
+        std::vector<char> buffer(maxSize);
+        if (CFStringGetCString(name_ref, buffer.data(), buffer.size(), kCFStringEncodingUTF8)) {
+          result = buffer.data();
+        }
+      }
+    }
+  }
+  CFRelease(display_info);
+  return result;
+}
+
+ScreenCapturerSckImpl::ScreenCapturerSckImpl() {
+  helper_ = [[SckHelper alloc] initWithCapturer:this];
+}
+
+ScreenCapturerSckImpl::~ScreenCapturerSckImpl() {
+  display_info_list_.clear();
+  display_id_map_.clear();
+  display_id_map_reverse_.clear();
+  display_id_name_map_.clear();
+
+  if (nv12_frame_) {
+    delete[] nv12_frame_;
+    nv12_frame_ = nullptr;
+  }
+
+  [stream_ stopCaptureWithCompletionHandler:nil];
+  [helper_ releaseCapturer];
+}
+
+int ScreenCapturerSckImpl::Init(const int fps, cb_desktop_data cb) {
+  _on_data = cb;
+
+  dispatch_semaphore_t sema = dispatch_semaphore_create(0);
+  __block SCShareableContent *content = nil;
+
+  [SCShareableContent
+      getShareableContentWithCompletionHandler:^(SCShareableContent *result, NSError *error) {
+        if (error) {
+          NSLog(@"Failed to get shareable content: %@", error);
+        } else {
+          content = result;
+        }
+        dispatch_semaphore_signal(sema);
+      }];
+  dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
+
+  if (!content || content.displays.count == 0) {
+    LOG_ERROR("Failed to get display info");
+    return 0;
+  }
+
+  CGDirectDisplayID displays[10];
+  uint32_t count;
+  CGGetActiveDisplayList(10, displays, &count);
+
+  int unnamed_count = 1;
+  for (SCDisplay *display in content.displays) {
+    CGDirectDisplayID display_id = display.displayID;
+    CGRect bounds = CGDisplayBounds(display_id);
+    bool is_primary = CGDisplayIsMain(display_id);
+
+    std::string name;
+    name = GetDisplayName(display_id);
+
+    if (name.empty()) {
+      name = "Display " + std::to_string(unnamed_count++);
+    }
+
+    DisplayInfo info((void *)(uintptr_t)display_id, name, is_primary,
+                     static_cast<int>(bounds.origin.x), static_cast<int>(bounds.origin.y),
+                     static_cast<int>(bounds.origin.x + bounds.size.width),
+                     static_cast<int>(bounds.origin.y + bounds.size.height));
+
+    display_info_list_.push_back(info);
+    display_id_map_[display_info_list_.size() - 1] = display_id;
+    display_id_map_reverse_[display_id] = display_info_list_.size() - 1;
+    display_id_name_map_[display_id] = name;
+  }
+
+  return 0;
+}
+
+int ScreenCapturerSckImpl::Start() {
+  StartOrReconfigureCapturer();
+  return 0;
+}
+
+int ScreenCapturerSckImpl::SwitchTo(int monitor_index) {
+  if (stream_) {
+    [stream_ stopCaptureWithCompletionHandler:^(NSError *error) {
+      std::lock_guard<std::mutex> lock(lock_);
+      stream_ = nil;
+      current_display_ = display_id_map_[monitor_index];
+      StartOrReconfigureCapturer();
+    }];
+  } else {
+    current_display_ = display_id_map_[monitor_index];
+    StartOrReconfigureCapturer();
+  }
+  return 0;
+}
+
+int ScreenCapturerSckImpl::Destroy() {
+  std::lock_guard<std::mutex> lock(lock_);
+  if (stream_) {
+    LOG_INFO("Destroying stream");
+    [stream_ stopCaptureWithCompletionHandler:nil];
+    stream_ = nil;
+  }
+  current_display_ = 0;
+  permanent_error_ = false;
+  _on_data = nullptr;
+  [helper_ releaseCapturer];
+  helper_ = nil;
+
+  return 0;
+}
+
+int ScreenCapturerSckImpl::Stop() {
+  std::lock_guard<std::mutex> lock(lock_);
+  if (stream_) {
+    LOG_INFO("Stopping stream");
+    [stream_ stopCaptureWithCompletionHandler:nil];
+    stream_ = nil;
+  }
+  current_display_ = 0;
+
+  return 0;
+}
+
+void ScreenCapturerSckImpl::OnShareableContentCreated(SCShareableContent *content) {
+  if (!content) {
+    LOG_ERROR("getShareableContent failed");
+    permanent_error_ = true;
+    return;
+  }
+
+  if (!content.displays.count) {
+    LOG_ERROR("getShareableContent returned no displays");
+    permanent_error_ = true;
+    return;
+  }
+
+  SCDisplay *captured_display;
+  {
+    std::lock_guard<std::mutex> lock(lock_);
+    for (SCDisplay *display in content.displays) {
+      if (current_display_ == display.displayID) {
+        LOG_WARN("current display: {}, name: {}", current_display_,
+                 display_id_name_map_[current_display_]);
+        captured_display = display;
+        break;
+      }
+    }
+    if (!captured_display) {
+      captured_display = content.displays.firstObject;
+      current_display_ = captured_display.displayID;
+    }
+  }
+
+  SCContentFilter *filter = [[SCContentFilter alloc] initWithDisplay:captured_display
+                                                    excludingWindows:@[]];
+  SCStreamConfiguration *config = [[SCStreamConfiguration alloc] init];
+  config.pixelFormat = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
+  config.showsCursor = false;
+  config.width = filter.contentRect.size.width * filter.pointPixelScale;
+  config.height = filter.contentRect.size.height * filter.pointPixelScale;
+  config.captureResolution = SCCaptureResolutionAutomatic;
+  config.minimumFrameInterval = CMTimeMake(1, fps_);
+
+  std::lock_guard<std::mutex> lock(lock_);
+
+  if (stream_) {
+    LOG_INFO("Updating stream configuration");
+    [stream_ updateContentFilter:filter completionHandler:nil];
+    [stream_ updateConfiguration:config completionHandler:nil];
+  } else {
+    stream_ = [[SCStream alloc] initWithFilter:filter configuration:config delegate:helper_];
+
+    // TODO: crbug.com/327458809 - Choose an appropriate sampleHandlerQueue for
+    // best performance.
+    NSError *add_stream_output_error;
+    dispatch_queue_t queue = dispatch_queue_create("ScreenCaptureKit.Queue", DISPATCH_QUEUE_SERIAL);
+    bool add_stream_output_result = [stream_ addStreamOutput:helper_
+                                                        type:SCStreamOutputTypeScreen
+                                          sampleHandlerQueue:queue
+                                                       error:&add_stream_output_error];
+
+    if (!add_stream_output_result) {
+      stream_ = nil;
+      LOG_ERROR("addStreamOutput failed");
+      permanent_error_ = true;
+      return;
+    }
+
+    auto handler = ^(NSError *error) {
+      if (error) {
+        // It should be safe to access `this` here, because the C++ destructor
+        // calls stopCaptureWithCompletionHandler on the stream, which cancels
+        // this handler.
+        permanent_error_ = true;
+        LOG_ERROR("startCaptureWithCompletionHandler failed");
+      } else {
+        LOG_INFO("Capture started");
+      }
+    };
+
+    [stream_ startCaptureWithCompletionHandler:handler];
+  }
+}
+
+void ScreenCapturerSckImpl::OnNewCVPixelBuffer(CVPixelBufferRef pixelBuffer,
+                                               CFDictionaryRef attachment) {
+  size_t width = CVPixelBufferGetWidth(pixelBuffer);
+  size_t height = CVPixelBufferGetHeight(pixelBuffer);
+
+  CVReturn status = CVPixelBufferLockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
+  if (status != kCVReturnSuccess) {
+    LOG_ERROR("Failed to lock CVPixelBuffer base address: %d", status);
+    return;
+  }
+
+  size_t required_size = width * height * 3 / 2;
+  if (!nv12_frame_ || (width_ * height_ * 3 / 2 < required_size)) {
+    delete[] nv12_frame_;
+    nv12_frame_ = new unsigned char[required_size];
+    width_ = width;
+    height_ = height;
+  }
+
+  void *base_y = CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 0);
+  size_t stride_y = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 0);
+
+  void *base_uv = CVPixelBufferGetBaseAddressOfPlane(pixelBuffer, 1);
+  size_t stride_uv = CVPixelBufferGetBytesPerRowOfPlane(pixelBuffer, 1);
+
+  unsigned char *dst_y = nv12_frame_;
+  for (size_t row = 0; row < height; ++row) {
+    memcpy(dst_y + row * width, static_cast<unsigned char *>(base_y) + row * stride_y, width);
+  }
+
+  unsigned char *dst_uv = nv12_frame_ + width * height;
+  for (size_t row = 0; row < height / 2; ++row) {
+    memcpy(dst_uv + row * width, static_cast<unsigned char *>(base_uv) + row * stride_uv, width);
+  }
+
+  _on_data(nv12_frame_, width * height * 3 / 2, width, height,
+           display_id_name_map_[current_display_].c_str());
+
+  CVPixelBufferUnlockBaseAddress(pixelBuffer, kCVPixelBufferLock_ReadOnly);
+}
+
+void ScreenCapturerSckImpl::StartOrReconfigureCapturer() {
+  // The copy is needed to avoid capturing `this` in the Objective-C block. Accessing `helper_`
+  // inside the block is equivalent to `this->helper_` and would crash (UAF) if `this` is
+  // deleted before the block is executed.
+  SckHelper *local_helper = helper_;
+  auto handler = ^(SCShareableContent *content, NSError *error) {
+    [local_helper onShareableContentCreated:content];
+  };
+  [SCShareableContent getShareableContentWithCompletionHandler:handler];
+}
+
+@implementation SckHelper {
+  // This lock is to prevent the capturer being destroyed while an instance
+  // method is still running on another thread.
+  std::mutex _capturer_lock;
+  ScreenCapturerSckImpl *_capturer;
+}
+
+- (instancetype)initWithCapturer:(ScreenCapturerSckImpl *)capturer {
+  self = [super init];
+  if (self) {
+    _capturer = capturer;
+  }
+  return self;
+}
+
+- (void)onShareableContentCreated:(SCShareableContent *)content {
+  std::lock_guard<std::mutex> lock(_capturer_lock);
+  if (_capturer) {
+    _capturer->OnShareableContentCreated(content);
+  } else {
+    LOG_ERROR("Invalid capturer");
+  }
+}
+
+- (void)stream:(SCStream *)stream
+    didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
+                   ofType:(SCStreamOutputType)type {
+  CVPixelBufferRef pixelBuffer = CMSampleBufferGetImageBuffer(sampleBuffer);
+  if (!pixelBuffer) {
+    return;
+  }
+
+  CFRetain(pixelBuffer);
+
+  CFArrayRef attachmentsArray = CMSampleBufferGetSampleAttachmentsArray(sampleBuffer, false);
+  if (!attachmentsArray || CFArrayGetCount(attachmentsArray) == 0) {
+    LOG_ERROR("Discarding frame with no attachments");
+    CFRelease(pixelBuffer);
+    return;
+  }
+
+  CFDictionaryRef attachment =
+      static_cast<CFDictionaryRef>(CFArrayGetValueAtIndex(attachmentsArray, 0));
+
+  std::lock_guard<std::mutex> lock(_capturer_lock);
+  if (_capturer) {
+    _capturer->OnNewCVPixelBuffer(pixelBuffer, attachment);
+  }
+
+  CFRelease(pixelBuffer);
+}
+
+- (void)releaseCapturer {
+  std::lock_guard<std::mutex> lock(_capturer_lock);
+  _capturer = nullptr;
+}
+
+@end
+
+std::unique_ptr<ScreenCapturer> ScreenCapturerSck::CreateScreenCapturerSck() {
+  return std::make_unique<ScreenCapturerSckImpl>();
+}

src/screen_capturer/screen_capturer.h

@@ -0,0 +1,36 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-15
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SCREEN_CAPTURER_H_
+#define _SCREEN_CAPTURER_H_
+
+#include <functional>
+
+#include "display_info.h"
+
+namespace crossdesk {
+
+class ScreenCapturer {
+ public:
+  typedef std::function<void(unsigned char*, int, int, int, const char*)>
+      cb_desktop_data;
+
+ public:
+  virtual ~ScreenCapturer() {}
+
+ public:
+  virtual int Init(const int fps, cb_desktop_data cb) = 0;
+  virtual int Destroy() = 0;
+  virtual int Start() = 0;
+  virtual int Stop() = 0;
+  virtual int Pause(int monitor_index) = 0;
+  virtual int Resume(int monitor_index) = 0;
+
+  virtual std::vector<DisplayInfo> GetDisplayInfoList() = 0;
+  virtual int SwitchTo(int monitor_index) = 0;
+};
+}  // namespace crossdesk
+#endif

src/screen_capturer/screen_capturer_factory.h

@@ -0,0 +1,40 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2023-12-15
+ * Copyright (c) 2023 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SCREEN_CAPTURER_FACTORY_H_
+#define _SCREEN_CAPTURER_FACTORY_H_
+
+#ifdef _WIN32
+#include "screen_capturer_wgc.h"
+#elif __linux__
+#include "screen_capturer_x11.h"
+#elif __APPLE__
+// #include "screen_capturer_avf.h"
+#include "screen_capturer_sck.h"
+#endif
+
+namespace crossdesk {
+
+class ScreenCapturerFactory {
+ public:
+  virtual ~ScreenCapturerFactory() {}
+
+ public:
+  ScreenCapturer* Create() {
+#ifdef _WIN32
+    return new ScreenCapturerWgc();
+#elif __linux__
+    return new ScreenCapturerX11();
+#elif __APPLE__
+    // return new ScreenCapturerAvf();
+    return new ScreenCapturerSck();
+#else
+    return nullptr;
+#endif
+  }
+};
+}  // namespace crossdesk
+#endif