[fix] fix self-hosted server configuration being reset when disabling self-hosted mode

.github/ISSUE_TEMPLATE/问题反馈.md

@@ -0,0 +1,35 @@
+---
+name: 问题反馈
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: kunkundi
+
+---
+
+**描述问题**
+清晰简洁地描述遇到的错误。
+
+**复现步骤**
+复现该问题的步骤：
+1. 前往 '...'
+2. 点击 '....'
+3. 出现错误
+
+**预期行为**
+清晰简洁地描述你期望发生的行为。
+
+**截图**
+如果适用，请添加截图以帮助说明问题。
+
+**桌面端信息（请填写以下内容）：**
+ - 操作系统: [例如 Windows 11]
+ - 版本: [例如 v1.1.10]
+
+**移动端信息（请填写以下内容）：**
+ - 设备: [例如 iPhone 17]
+ - 操作系统: [例如 iOS 26.1]
+ - 浏览器: [例如 系统浏览器、Safari]
+
+**补充信息**
+在此添加与问题相关的其他上下文内容。

.gitignore

@@ -1,10 +1,10 @@
 # Xmake cache
 .xmake/
 build/
+certs/
 
 # MacOS Cache
 .DS_Store
 
 # VSCode cache
-.vscode
+.vscode
-continuous-desk.code-workspace

README.md

@@ -1,5 +1,6 @@
 # CrossDesk
 
+<a href="https://hellogithub.com/repository/kunkundi/crossdesk" target="_blank"><img src="https://api.hellogithub.com/v1/widgets/recommend.svg?rid=55d41367570345f1838e02fd12be7961&claim_uid=cb0OpZRrBuGVAfL&theme=small" alt="Featured｜HelloGitHub" /></a>
 [![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/web-client)
@@ -315,10 +316,10 @@ Generation complete. Deployment files::
   Server certificate: crossdesk.cn_bundle.crt
 ```
 
-#### 服务端
+### 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
+### 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>
 
@@ -331,5 +332,8 @@ Generation complete. Deployment files::
 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>
 
+### Web 客户端
+详情见项目 [CrossDesk Web Client](https://github.com/kunkundi/crossdesk-web-client)。
+
 # 常见问题
 见 [常见问题](https://github.com/kunkundi/crossdesk/blob/self-hosted-server/docs/FAQ.md) 。

README_EN.md

@@ -1,5 +1,6 @@
 # CrossDesk
 
+<a href="https://hellogithub.com/repository/kunkundi/crossdesk" target="_blank"><img src="https://api.hellogithub.com/v1/widgets/recommend.svg?rid=55d41367570345f1838e02fd12be7961&claim_uid=cb0OpZRrBuGVAfL&theme=small" alt="Featured｜HelloGitHub" /></a>
 [![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/web-client)
@@ -323,10 +324,10 @@ Generation complete. Deployment files::
   Server certificate: crossdesk.cn_bundle.crt
 ```
 
-#### Server Side
+### Server Side
 Place **crossdesk.cn.key** and **crossdesk.cn_bundle.crt** into the **/path/to/your/certs** directory.
 
-#### Client Side
+### 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>
 
@@ -339,5 +340,8 @@ Place **crossdesk.cn.key** and **crossdesk.cn_bundle.crt** into the **/path/to/y
 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>
 
+### Web Client
+See [CrossDesk Web Client](https://github.com/kunkundi/crossdesk-web-client)。
+
 # FAQ
 See [FAQ](https://github.com/kunkundi/crosssesk/blob/self-hosted-server/docs/FAQ.md) .

scripts/macosx/pkg_arm64.sh

@@ -86,29 +86,66 @@ pkgbuild \
   --component "${APP_BUNDLE}" \
   build_pkg_temp/${APP_NAME}-component.pkg
 
-mkdir -p scripts
+mkdir -p build_pkg_scripts
 
-cat > scripts/postinstall <<'EOF'
+cat > build_pkg_scripts/postinstall <<'EOF'
 #!/bin/bash
+set -e
+
+IDENTIFIER="cn.crossdesk.app"
+
+# 获取当前登录用户
 USER_HOME=$( /usr/bin/stat -f "%Su" /dev/console )
 HOME_DIR=$( /usr/bin/dscl . -read /Users/$USER_HOME NFSHomeDirectory | awk '{print $2}' )
 
+# 复制证书文件
 DEST="$HOME_DIR/Library/Application Support/CrossDesk/certs"
-
 mkdir -p "$DEST"
 cp -R "/Library/Application Support/CrossDesk/certs/"* "$DEST/"
 
+# 清除应用的权限授权，以便重新授权
+# 使用 tccutil 重置录屏权限和辅助功能权限
+if command -v tccutil >/dev/null 2>&1; then
+    # 重置录屏权限
+    tccutil reset ScreenCapture "$IDENTIFIER" 2>/dev/null || true
+    # 重置辅助功能权限
+    tccutil reset Accessibility "$IDENTIFIER" 2>/dev/null || true
+    # 重置摄像头权限（如果需要）
+    tccutil reset Camera "$IDENTIFIER" 2>/dev/null || true
+    # 重置麦克风权限（如果需要）
+    tccutil reset Microphone "$IDENTIFIER" 2>/dev/null || true
+fi
+
+# 为所有用户清除权限（可选，如果需要）
+# 遍历所有用户目录并清除权限
+for USER_DIR in /Users/*; do
+    if [ -d "$USER_DIR" ] && [ "$USER_DIR" != "/Users/Shared" ]; then
+        USER_NAME=$(basename "$USER_DIR")
+        # 跳过系统用户
+        if [ "$USER_NAME" != "Shared" ] && [ -d "$USER_DIR/Library" ]; then
+            # 删除 TCC 数据库中的相关条目（需要管理员权限）
+            TCC_DB="$USER_DIR/Library/Application Support/com.apple.TCC/TCC.db"
+            if [ -f "$TCC_DB" ]; then
+                # 使用 sqlite3 删除相关权限记录（如果可用）
+                if command -v sqlite3 >/dev/null 2>&1; then
+                    sqlite3 "$TCC_DB" "DELETE FROM access WHERE client='$IDENTIFIER' AND service IN ('kTCCServiceScreenCapture', 'kTCCServiceAccessibility');" 2>/dev/null || true
+                fi
+            fi
+        fi
+    fi
+done
+
 exit 0
 EOF
 
-chmod +x scripts/postinstall
+chmod +x build_pkg_scripts/postinstall
 
 pkgbuild \
   --root "${CERTS_SOURCE}" \
   --identifier "${IDENTIFIER}.certs" \
   --version "${APP_VERSION}" \
   --install-location "/Library/Application Support/CrossDesk/certs" \
-  --scripts scripts \
+  --scripts build_pkg_scripts \
   build_pkg_temp/${APP_NAME}-certs.pkg
 
 productbuild \
@@ -118,7 +155,7 @@ productbuild \
 
 echo "PKG package created: ${PKG_NAME}"
 
-rm -rf build_pkg_temp scripts ${APP_BUNDLE}
+rm -rf build_pkg_temp build_pkg_scripts ${APP_BUNDLE}
 
 echo "PKG package created successfully."
 echo "package ${APP_BUNDLE}"

scripts/macosx/pkg_x64.sh

@@ -86,29 +86,66 @@ pkgbuild \
   --component "${APP_BUNDLE}" \
   build_pkg_temp/${APP_NAME}-component.pkg
 
-mkdir -p scripts
+mkdir -p build_pkg_scripts
 
-cat > scripts/postinstall <<'EOF'
+cat > build_pkg_scripts/postinstall <<'EOF'
 #!/bin/bash
+set -e
+
+IDENTIFIER="cn.crossdesk.app"
+
+# 获取当前登录用户
 USER_HOME=$( /usr/bin/stat -f "%Su" /dev/console )
 HOME_DIR=$( /usr/bin/dscl . -read /Users/$USER_HOME NFSHomeDirectory | awk '{print $2}' )
 
+# 复制证书文件
 DEST="$HOME_DIR/Library/Application Support/CrossDesk/certs"
-
 mkdir -p "$DEST"
 cp -R "/Library/Application Support/CrossDesk/certs/"* "$DEST/"
 
+# 清除应用的权限授权，以便重新授权
+# 使用 tccutil 重置录屏权限和辅助功能权限
+if command -v tccutil >/dev/null 2>&1; then
+    # 重置录屏权限
+    tccutil reset ScreenCapture "$IDENTIFIER" 2>/dev/null || true
+    # 重置辅助功能权限
+    tccutil reset Accessibility "$IDENTIFIER" 2>/dev/null || true
+    # 重置摄像头权限（如果需要）
+    tccutil reset Camera "$IDENTIFIER" 2>/dev/null || true
+    # 重置麦克风权限（如果需要）
+    tccutil reset Microphone "$IDENTIFIER" 2>/dev/null || true
+fi
+
+# 为所有用户清除权限（可选，如果需要）
+# 遍历所有用户目录并清除权限
+for USER_DIR in /Users/*; do
+    if [ -d "$USER_DIR" ] && [ "$USER_DIR" != "/Users/Shared" ]; then
+        USER_NAME=$(basename "$USER_DIR")
+        # 跳过系统用户
+        if [ "$USER_NAME" != "Shared" ] && [ -d "$USER_DIR/Library" ]; then
+            # 删除 TCC 数据库中的相关条目（需要管理员权限）
+            TCC_DB="$USER_DIR/Library/Application Support/com.apple.TCC/TCC.db"
+            if [ -f "$TCC_DB" ]; then
+                # 使用 sqlite3 删除相关权限记录（如果可用）
+                if command -v sqlite3 >/dev/null 2>&1; then
+                    sqlite3 "$TCC_DB" "DELETE FROM access WHERE client='$IDENTIFIER' AND service IN ('kTCCServiceScreenCapture', 'kTCCServiceAccessibility');" 2>/dev/null || true
+                fi
+            fi
+        fi
+    fi
+done
+
 exit 0
 EOF
 
-chmod +x scripts/postinstall
+chmod +x build_pkg_scripts/postinstall
 
 pkgbuild \
   --root "${CERTS_SOURCE}" \
   --identifier "${IDENTIFIER}.certs" \
   --version "${APP_VERSION}" \
   --install-location "/Library/Application Support/CrossDesk/certs" \
-  --scripts scripts \
+  --scripts build_pkg_scripts \
   build_pkg_temp/${APP_NAME}-certs.pkg
 
 productbuild \
@@ -118,7 +155,7 @@ productbuild \
 
 echo "PKG package created: ${PKG_NAME}"
 
-rm -rf build_pkg_temp scripts ${APP_BUNDLE}
+rm -rf build_pkg_temp build_pkg_scripts ${APP_BUNDLE}
 
 echo "PKG package created successfully."
 echo "package ${APP_BUNDLE}"

src/config_center/config_center.cpp

@@ -41,16 +41,43 @@ int ConfigCenter::Load() {
 
   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_);
+
+  const char* signal_server_host_value =
+      ini_.GetValue(section_, "signal_server_host", nullptr);
+  if (signal_server_host_value != nullptr &&
+      strlen(signal_server_host_value) > 0) {
+    signal_server_host_ = signal_server_host_value;
+  } else {
+    signal_server_host_ = "";
+  }
+  const char* signal_server_port_value =
+      ini_.GetValue(section_, "signal_server_port", nullptr);
+  if (signal_server_port_value != nullptr &&
+      strlen(signal_server_port_value) > 0) {
+    signal_server_port_ =
+        static_cast<int>(ini_.GetLongValue(section_, "signal_server_port", 0));
+  } else {
+    signal_server_port_ = 0;
+  }
+  const char* coturn_server_port_value =
+      ini_.GetValue(section_, "coturn_server_port", nullptr);
+  if (coturn_server_port_value != nullptr &&
+      strlen(coturn_server_port_value) > 0) {
+    coturn_server_port_ =
+        static_cast<int>(ini_.GetLongValue(section_, "coturn_server_port", 0));
+  } else {
+    coturn_server_port_ = 0;
+  }
+  const char* cert_file_path_value =
+      ini_.GetValue(section_, "cert_file_path", nullptr);
+  if (cert_file_path_value != nullptr && strlen(cert_file_path_value) > 0) {
+    cert_file_path_ = cert_file_path_value;
+  } else {
+    cert_file_path_ = "";
+  }
+
   enable_autostart_ =
       ini_.GetBoolValue(section_, "enable_autostart", enable_autostart_);
   enable_daemon_ = ini_.GetBoolValue(section_, "enable_daemon", enable_daemon_);
@@ -71,11 +98,18 @@ int ConfigCenter::Save() {
   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_);
+
+  // only save when self hosted
+  if (enable_self_hosted_) {
+    ini_.SetValue(section_, "signal_server_host", signal_server_host_.c_str());
+    ini_.SetLongValue(section_, "signal_server_port",
+                      static_cast<long>(signal_server_port_));
+    ini_.SetLongValue(section_, "coturn_server_port",
+                      static_cast<long>(coturn_server_port_));
+    ini_.SetValue(section_, "cert_file_path", cert_file_path_.c_str());
+  }
+
   ini_.SetBoolValue(section_, "enable_autostart", enable_autostart_);
   ini_.SetBoolValue(section_, "enable_daemon", enable_daemon_);
   ini_.SetBoolValue(section_, "enable_minimize_to_tray",
@@ -210,6 +244,43 @@ int ConfigCenter::SetCertFilePath(const std::string& cert_file_path) {
 int ConfigCenter::SetSelfHosted(bool enable_self_hosted) {
   enable_self_hosted_ = enable_self_hosted;
   ini_.SetBoolValue(section_, "enable_self_hosted", enable_self_hosted_);
+
+  // load from config if self hosted is enabled
+  if (enable_self_hosted_) {
+    const char* signal_server_host_value =
+        ini_.GetValue(section_, "signal_server_host", nullptr);
+    if (signal_server_host_value != nullptr &&
+        strlen(signal_server_host_value) > 0) {
+      signal_server_host_ = signal_server_host_value;
+    }
+    const char* signal_server_port_value =
+        ini_.GetValue(section_, "signal_server_port", nullptr);
+    if (signal_server_port_value != nullptr &&
+        strlen(signal_server_port_value) > 0) {
+      signal_server_port_ = static_cast<int>(
+          ini_.GetLongValue(section_, "signal_server_port", 0));
+    }
+    const char* coturn_server_port_value =
+        ini_.GetValue(section_, "coturn_server_port", nullptr);
+    if (coturn_server_port_value != nullptr &&
+        strlen(coturn_server_port_value) > 0) {
+      coturn_server_port_ = static_cast<int>(
+          ini_.GetLongValue(section_, "coturn_server_port", 0));
+    }
+    const char* cert_file_path_value =
+        ini_.GetValue(section_, "cert_file_path", nullptr);
+    if (cert_file_path_value != nullptr && strlen(cert_file_path_value) > 0) {
+      cert_file_path_ = cert_file_path_value;
+    }
+
+    ini_.SetValue(section_, "signal_server_host", signal_server_host_.c_str());
+    ini_.SetLongValue(section_, "signal_server_port",
+                      static_cast<long>(signal_server_port_));
+    ini_.SetLongValue(section_, "coturn_server_port",
+                      static_cast<long>(coturn_server_port_));
+    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;

src/config_center/config_center.h

@@ -70,7 +70,6 @@ class ConfigCenter {
 
  private:
   std::string config_path_;
-  std::string cert_file_path_;
   CSimpleIniA ini_;
   const char* section_ = "Settings";
 
@@ -81,12 +80,13 @@ class ConfigCenter {
   bool hardware_video_codec_ = false;
   bool enable_turn_ = true;
   bool enable_srtp_ = false;
-  std::string signal_server_host_ = "api.crossdesk.cn";
+  std::string signal_server_host_ = "";
   std::string signal_server_host_default_ = "api.crossdesk.cn";
-  int signal_server_port_ = 9099;
+  int signal_server_port_ = 0;
   int server_port_default_ = 9099;
-  int coturn_server_port_ = 3478;
+  int coturn_server_port_ = 0;
   int coturn_server_port_default_ = 3478;
+  std::string cert_file_path_ = "";
   std::string cert_file_path_default_ = "";
   bool enable_self_hosted_ = false;
   bool enable_minimize_to_tray_ = false;

src/gui/assets/layouts/layout.h

@@ -7,73 +7,81 @@
 #ifndef _LAYOUT_STYLE_H_
 #define _LAYOUT_STYLE_H_
 
-#define MENU_WINDOW_WIDTH_CN 300
+#include "render.h"
-#define MENU_WINDOW_HEIGHT_CN 280
+
-#define LOCAL_WINDOW_WIDTH_CN 300
+#define MENU_WINDOW_WIDTH_CN 300 * dpi_scale_
-#define LOCAL_WINDOW_HEIGHT_CN 280
+#define MENU_WINDOW_HEIGHT_CN 280 * dpi_scale_
-#define REMOTE_WINDOW_WIDTH_CN 300
+#define LOCAL_WINDOW_WIDTH_CN 300 * dpi_scale_
-#define REMOTE_WINDOW_HEIGHT_CN 280
+#define LOCAL_WINDOW_HEIGHT_CN 280 * dpi_scale_
-#define MENU_WINDOW_WIDTH_EN 190
+#define REMOTE_WINDOW_WIDTH_CN 300 * dpi_scale_
-#define MENU_WINDOW_HEIGHT_EN 245
+#define REMOTE_WINDOW_HEIGHT_CN 280 * dpi_scale_
-#define IPUT_WINDOW_WIDTH 160
+#define MENU_WINDOW_WIDTH_EN 190 * dpi_scale_
-#define INPUT_WINDOW_PADDING_CN 66
+#define MENU_WINDOW_HEIGHT_EN 245 * dpi_scale_
-#define INPUT_WINDOW_PADDING_EN 96
+#define IPUT_WINDOW_WIDTH 160 * dpi_scale_
-#define SETTINGS_WINDOW_WIDTH_CN 202
+#define INPUT_WINDOW_PADDING_CN 66 * dpi_scale_
-#define SETTINGS_WINDOW_WIDTH_EN 248
+#define INPUT_WINDOW_PADDING_EN 96 * dpi_scale_
+#define SETTINGS_WINDOW_WIDTH_CN 202 * dpi_scale_
+#define SETTINGS_WINDOW_WIDTH_EN 248 * dpi_scale_
 #if USE_CUDA
 #if _WIN32
-#define SETTINGS_WINDOW_HEIGHT_CN 405
+#define SETTINGS_WINDOW_HEIGHT_CN 405 * dpi_scale_
-#define SETTINGS_WINDOW_HEIGHT_EN 405
+#define SETTINGS_WINDOW_HEIGHT_EN 405 * dpi_scale_
 #else
-#define SETTINGS_WINDOW_HEIGHT_CN 375
+#define SETTINGS_WINDOW_HEIGHT_CN 375 * dpi_scale_
-#define SETTINGS_WINDOW_HEIGHT_EN 375
+#define SETTINGS_WINDOW_HEIGHT_EN 375 * dpi_scale_
 #endif
 #else
 #if _WIN32
-#define SETTINGS_WINDOW_HEIGHT_CN 375
+#define SETTINGS_WINDOW_HEIGHT_CN 375 * dpi_scale_
-#define SETTINGS_WINDOW_HEIGHT_EN 375
+#define SETTINGS_WINDOW_HEIGHT_EN 375 * dpi_scale_
 #else
-#define SETTINGS_WINDOW_HEIGHT_CN 345
+#define SETTINGS_WINDOW_HEIGHT_CN 345 * dpi_scale_
-#define SETTINGS_WINDOW_HEIGHT_EN 345
+#define SETTINGS_WINDOW_HEIGHT_EN 345 * dpi_scale_
 #endif
 #endif
-#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_CN 228
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_CN 228 * dpi_scale_
-#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_EN 275
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_WIDTH_EN 275 * dpi_scale_
-#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN 195
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN 195 * dpi_scale_
-#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN 195
+#define SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN 195 * dpi_scale_
-#define LANGUAGE_SELECT_WINDOW_PADDING_CN 120
+#define LANGUAGE_SELECT_WINDOW_PADDING_CN 120 * dpi_scale_
-#define LANGUAGE_SELECT_WINDOW_PADDING_EN 167
+#define LANGUAGE_SELECT_WINDOW_PADDING_EN 167 * dpi_scale_
-#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_CN 120 * dpi_scale_
-#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_QUALITY_SELECT_WINDOW_PADDING_EN 167 * dpi_scale_
-#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_CN 120 * dpi_scale_
-#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_EN 167 * dpi_scale_
-#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_CN 120
+#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_CN 120 * dpi_scale_
-#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_EN 167
+#define VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_EN 167 * dpi_scale_
-#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_CN 171
+#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_CN 171 * dpi_scale_
-#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_EN 218
+#define ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_EN 218 * dpi_scale_
-#define ENABLE_TURN_CHECKBOX_PADDING_CN 171
+#define ENABLE_TURN_CHECKBOX_PADDING_CN 171 * dpi_scale_
-#define ENABLE_TURN_CHECKBOX_PADDING_EN 218
+#define ENABLE_TURN_CHECKBOX_PADDING_EN 218 * dpi_scale_
-#define ENABLE_SRTP_CHECKBOX_PADDING_CN 171
+#define ENABLE_SRTP_CHECKBOX_PADDING_CN 171 * dpi_scale_
-#define ENABLE_SRTP_CHECKBOX_PADDING_EN 218
+#define ENABLE_SRTP_CHECKBOX_PADDING_EN 218 * dpi_scale_
-#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_CN 171
+#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_CN 171 * dpi_scale_
-#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_EN 218
+#define ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_EN 218 * dpi_scale_
-#define ENABLE_AUTOSTART_PADDING_CN 171
+#define ENABLE_AUTOSTART_PADDING_CN 171 * dpi_scale_
-#define ENABLE_AUTOSTART_PADDING_EN 218
+#define ENABLE_AUTOSTART_PADDING_EN 218 * dpi_scale_
-#define ENABLE_DAEMON_PADDING_CN 171
+#define ENABLE_DAEMON_PADDING_CN 171 * dpi_scale_
-#define ENABLE_DAEMON_PADDING_EN 218
+#define ENABLE_DAEMON_PADDING_EN 218 * dpi_scale_
-#define ENABLE_MINIZE_TO_TRAY_PADDING_CN 171
+#define ENABLE_MINIZE_TO_TRAY_PADDING_CN 171 * dpi_scale_
-#define ENABLE_MINIZE_TO_TRAY_PADDING_EN 218
+#define ENABLE_MINIZE_TO_TRAY_PADDING_EN 218 * dpi_scale_
-#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_CN 90
+#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_CN 90 * dpi_scale_
-#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_EN 137
+#define SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_EN 137 * dpi_scale_
-#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN 90
+#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN 90 * dpi_scale_
-#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN 137
+#define SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN 137 * dpi_scale_
-#define SETTINGS_SELECT_WINDOW_WIDTH 73
+#define SETTINGS_SELECT_WINDOW_WIDTH 73 * dpi_scale_
-#define SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH 130
+#define SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH 130 * dpi_scale_
-#define SETTINGS_OK_BUTTON_PADDING_CN 65
+#define SETTINGS_OK_BUTTON_PADDING_CN 65 * dpi_scale_
-#define SETTINGS_OK_BUTTON_PADDING_EN 83
+#define SETTINGS_OK_BUTTON_PADDING_EN 83 * dpi_scale_
-#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_CN 78
+#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_CN 78 * dpi_scale_
-#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_EN 91
+#define SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_EN 91 * dpi_scale_
-#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_CN 162
+#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_CN 162 * dpi_scale_
-#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_EN 146
+#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_EN 146 * dpi_scale_
-
+#define UPDATE_NOTIFICATION_RESERVED_HEIGHT 120 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_WIDTH_CN 130 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_HEIGHT_CN 125 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_WIDTH_EN 260 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_HEIGHT_EN 125 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_CN 90 * dpi_scale_
+#define REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_EN 210 * dpi_scale_
 #endif

src/gui/assets/layouts/layout_relative.h

@@ -0,0 +1,91 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2024-06-14
+ * Copyright (c) 2024 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _LAYOUT_STYLE_H_
+#define _LAYOUT_STYLE_H_
+
+#include "render.h"
+
+#define TITLE_BAR_HEIGHT 0.0625f
+#define TITLE_BAR_BUTTON_WIDTH 0.0625f
+#define TITLE_BAR_BUTTON_HEIGHT 0.0625f
+#define STATUS_BAR_HEIGHT 0.05f
+#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 USE_CUDA
+#if _WIN32
+#define SETTINGS_WINDOW_HEIGHT_CN 405
+#define SETTINGS_WINDOW_HEIGHT_EN 405
+#else
+#define SETTINGS_WINDOW_HEIGHT_CN 375
+#define SETTINGS_WINDOW_HEIGHT_EN 375
+#endif
+#else
+#if _WIN32
+#define SETTINGS_WINDOW_HEIGHT_CN 375
+#define SETTINGS_WINDOW_HEIGHT_EN 375
+#else
+#define SETTINGS_WINDOW_HEIGHT_CN 345
+#define SETTINGS_WINDOW_HEIGHT_EN 345
+#endif
+#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_AUTOSTART_PADDING_CN 171
+#define ENABLE_AUTOSTART_PADDING_EN 218
+#define ENABLE_DAEMON_PADDING_CN 171
+#define ENABLE_DAEMON_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
+#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_CN 162
+#define UPDATE_NOTIFICATION_OK_BUTTON_PADDING_EN 146
+#define UPDATE_NOTIFICATION_RESERVED_HEIGHT 120
+#define REQUEST_PERMISSION_WINDOW_WIDTH_CN 130
+#define REQUEST_PERMISSION_WINDOW_HEIGHT_CN 125
+#define REQUEST_PERMISSION_WINDOW_WIDTH_EN 260
+#define REQUEST_PERMISSION_WINDOW_HEIGHT_EN 125
+#define REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_CN 90
+#define REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_EN 210
+#endif

src/gui/assets/localization/localization.h

@@ -188,6 +188,19 @@ static std::vector<std::string> minimize_to_tray = {
     "Minimize to system tray when exit:"};
 static std::vector<LPCWSTR> exit_program = {L"退出", L"Exit"};
 #endif
+#ifdef __APPLE__
+static std::vector<std::string> request_permissions = {
+    reinterpret_cast<const char*>(u8"权限请求"), "Request Permissions"};
+static std::vector<std::string> screen_recording_permission = {
+    reinterpret_cast<const char*>(u8"屏幕录制权限"),
+    "Screen Recording Permission"};
+static std::vector<std::string> accessibility_permission = {
+    reinterpret_cast<const char*>(u8"辅助功能权限"),
+    "Accessibility Permission"};
+static std::vector<std::string> permission_required_message = {
+    reinterpret_cast<const char*>(u8"该应用需要授权以下权限:"),
+    "The application requires the following permissions:"};
+#endif
 }  // namespace localization
 }  // namespace crossdesk
 #endif

src/gui/panels/local_peer_panel.cpp

@@ -1,6 +1,6 @@
 #include <random>
 
-#include "layout.h"
+#include "layout_relative.h"
 #include "localization.h"
 #include "rd_log.h"
 #include "render.h"
@@ -8,20 +8,27 @@
 namespace crossdesk {
 
 int Render::LocalWindow() {
-  ImGui::SetNextWindowPos(ImVec2(-1.0f, title_bar_height_), ImGuiCond_Always);
+  ImGuiIO& io = ImGui::GetIO();
+  float local_window_width = io.DisplaySize.x * 0.5f;
+  float local_window_height =
+      io.DisplaySize.y * (1 - TITLE_BAR_HEIGHT - STATUS_BAR_HEIGHT);
+  float local_window_button_width = io.DisplaySize.x * 0.046f;
+  float local_window_button_height = io.DisplaySize.y * 0.075f;
+
+  ImGui::SetNextWindowPos(ImVec2(0.0f, io.DisplaySize.y * 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::PushStyleColor(ImGuiCol_ChildBg, ImVec4(0, 0, 0, 0));
   ImGui::BeginChild("LocalDesktopWindow",
-                    ImVec2(local_window_width_, local_window_height_),
+                    ImVec2(local_window_width, local_window_height),
                     ImGuiChildFlags_None,
-                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                    ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
                         ImGuiWindowFlags_NoBringToFrontOnFocus);
   ImGui::PopStyleColor();
 
-  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::SetCursorPos(
-  ImGui::Indent(main_child_window_x_padding_);
+      ImVec2(io.DisplaySize.x * 0.045f, io.DisplaySize.y * 0.02f));
 
   ImGui::TextColored(
       ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
@@ -30,18 +37,16 @@ int Render::LocalWindow() {
   ImGui::Spacing();
   {
     ImGui::SetNextWindowPos(
-        ImVec2(main_child_window_x_padding_,
+        ImVec2(io.DisplaySize.x * 0.045f, io.DisplaySize.y * 0.15f),
-               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",
+        "LocalDesktopPanel",
-        ImVec2(local_child_window_width_, local_child_window_height_),
+        ImVec2(local_window_width * 0.8f, local_window_height * 0.43f),
         ImGuiChildFlags_Border,
-        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+        ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-            ImGuiWindowFlags_NoTitleBar |
             ImGuiWindowFlags_NoBringToFrontOnFocus);
     ImGui::PopStyleVar();
     ImGui::PopStyleColor();
@@ -52,7 +57,7 @@ int Render::LocalWindow() {
 
       ImGui::Spacing();
 
-      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::SetNextItemWidth(io.DisplaySize.x * 0.25f);
       ImGui::SetWindowFontScale(1.0f);
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
 
@@ -76,7 +81,8 @@ int Render::LocalWindow() {
       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))) {
+      if (ImGui::Button(ICON_FA_COPY, ImVec2(local_window_button_width,
+                                             local_window_button_height))) {
         local_id_copied_ = true;
         ImGui::SetClipboardText(client_id_);
         copy_start_time_ = ImGui::GetTime();
@@ -86,17 +92,10 @@ int Render::LocalWindow() {
 
       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 -
+            ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
-                    notification_window_width_) /
-                       2,
-                   (viewport->WorkSize.y - viewport->WorkPos.y -
-                    notification_window_height_) /
-                       2));
-
         ImGui::SetNextWindowSize(
-            ImVec2(notification_window_width_, notification_window_height_));
+            ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
         ImGui::PushStyleColor(
             ImGuiCol_WindowBg,
             ImVec4(1.0f, 1.0f, 1.0f, 1.0f - (float)time_duration));
@@ -115,7 +114,7 @@ int Render::LocalWindow() {
             [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::SetCursorPosY(window_height * 0.4f);
         ImGui::PushStyleColor(ImGuiCol_Text,
                               ImVec4(0, 0, 0, 1.0f - (float)time_duration));
         ImGui::Text("%s", text.c_str());
@@ -134,7 +133,7 @@ int Render::LocalWindow() {
                   localization::password[localization_language_index_].c_str());
       ImGui::SetWindowFontScale(1.0f);
 
-      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::SetNextItemWidth(io.DisplaySize.x * 0.25f);
       ImGui::Spacing();
 
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
@@ -156,51 +155,34 @@ int Render::LocalWindow() {
       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))) {
+      if (ImGui::Button(
+              show_password_ ? ICON_FA_EYE : ICON_FA_EYE_SLASH,
+              ImVec2(local_window_button_width, local_window_button_height))) {
         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))) {
+      if (ImGui::Button(ICON_FA_PEN, ImVec2(local_window_button_width,
+                                            local_window_button_height))) {
         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 -
+            ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
-                    connection_status_window_width_) /
+        ImGui::SetNextWindowSize(
-                       2,
+            ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
-                   (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_NoDecoration | ImGuiWindowFlags_NoMove |
-                         ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
                          ImGuiWindowFlags_NoSavedSettings);
         ImGui::PopStyleVar(2);
         ImGui::PopStyleColor();
@@ -215,9 +197,9 @@ int Render::LocalWindow() {
         ImGui::SetCursorPosY(window_height * 0.2f);
         ImGui::Text("%s", text.c_str());
 
-        ImGui::SetCursorPosX((window_width - IPUT_WINDOW_WIDTH / 2) * 0.5f);
+        ImGui::SetCursorPosX(window_width * 0.33f);
         ImGui::SetCursorPosY(window_height * 0.4f);
-        ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH / 2);
+        ImGui::SetNextItemWidth(window_width * 0.33f);
 
         ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
 

src/gui/panels/recent_connections_panel.cpp

@@ -1,3 +1,4 @@
+#include "layout_relative.h"
 #include "localization.h"
 #include "rd_log.h"
 #include "render.h"
@@ -5,25 +6,25 @@
 namespace crossdesk {
 
 int Render::RecentConnectionsWindow() {
-  ImGui::SetNextWindowPos(
+  ImGuiIO& io = ImGui::GetIO();
-      ImVec2(0, title_bar_height_ + local_window_height_ - 1.0f),
+  float recent_connection_window_width = io.DisplaySize.x;
-      ImGuiCond_Always);
+  float recent_connection_window_height =
+      io.DisplaySize.y * (0.46f - STATUS_BAR_HEIGHT);
+  ImGui::SetNextWindowPos(ImVec2(0, io.DisplaySize.y * 0.55f),
+                          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_,
+      ImVec2(recent_connection_window_width, recent_connection_window_height),
-             main_window_height_default_ - title_bar_height_ -
-                 local_window_height_ - status_bar_height_ + 1.0f),
       ImGuiChildFlags_Border,
-      ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-          ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
           ImGuiWindowFlags_NoBringToFrontOnFocus);
   ImGui::PopStyleVar();
   ImGui::PopStyleColor();
 
-  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::SetCursorPos(
-  ImGui::Indent(main_child_window_x_padding_);
+      ImVec2(io.DisplaySize.x * 0.045f, io.DisplaySize.y * 0.02f));
 
   ImGui::TextColored(
       ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
@@ -37,31 +38,40 @@ int Render::RecentConnectionsWindow() {
 }
 
 int Render::ShowRecentConnections() {
-  ImGui::SetCursorPosX(25.0f);
+  ImGuiIO& io = ImGui::GetIO();
-  ImVec2 sub_window_pos = ImGui::GetCursorPos();
+  float recent_connection_panel_width = io.DisplaySize.x * 0.912f;
-  std::map<std::string, ImVec2> sub_containers_pos;
+  float recent_connection_panel_height = io.DisplaySize.y * 0.29f;
+  float recent_connection_image_height = recent_connection_panel_height * 0.6f;
+  float recent_connection_image_width = recent_connection_image_height * 16 / 9;
   float recent_connection_sub_container_width =
-      recent_connection_image_width_ + 16.0f;
+      recent_connection_image_width * 1.2f;
   float recent_connection_sub_container_height =
-      recent_connection_image_height_ + 36.0f;
+      recent_connection_image_height * 1.4f;
+  float recent_connection_button_width = recent_connection_image_width * 0.15f;
+  float recent_connection_button_height =
+      recent_connection_image_height * 0.25f;
+  float recent_connection_dummy_button_width =
+      recent_connection_image_width - 2 * recent_connection_button_width;
+
+  ImGui::SetCursorPos(
+      ImVec2(io.DisplaySize.x * 0.045f, io.DisplaySize.y * 0.1f));
+
+  std::map<std::string, ImVec2> sub_containers_pos;
   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",
+  ImGui::BeginChild(
-                    ImVec2(main_window_width_default_ - 50.0f, 145.0f),
+      "RecentConnectionsContainer",
-                    ImGuiChildFlags_Border,
+      ImVec2(recent_connection_panel_width, recent_connection_panel_height),
-                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+      ImGuiChildFlags_Border,
-                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-                        ImGuiWindowFlags_NoBringToFrontOnFocus |
+          ImGuiWindowFlags_NoBringToFrontOnFocus |
-                        ImGuiWindowFlags_AlwaysHorizontalScrollbar |
+          ImGuiWindowFlags_AlwaysHorizontalScrollbar |
-                        ImGuiWindowFlags_NoScrollbar |
+          ImGuiWindowFlags_NoScrollWithMouse);
-                        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 =
@@ -71,11 +81,8 @@ int Render::ShowRecentConnections() {
                       ImVec2(recent_connection_sub_container_width,
                              recent_connection_sub_container_height),
                       ImGuiChildFlags_None,
-                      ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-                          ImGuiWindowFlags_NoMove |
+                          ImGuiWindowFlags_NoBringToFrontOnFocus);
-                          ImGuiWindowFlags_NoTitleBar |
-                          ImGuiWindowFlags_NoBringToFrontOnFocus |
-                          ImGuiWindowFlags_NoScrollbar);
     std::string connection_info = it.first;
 
     // remote id length is 9
@@ -114,14 +121,16 @@ int Render::ShowRecentConnections() {
       it.second.remote_host_name = "unknown";
     }
 
-    ImVec2 image_screen_pos = ImVec2(ImGui::GetCursorScreenPos().x + 5.0f,
+    ImVec2 image_screen_pos = ImVec2(
-                                     ImGui::GetCursorScreenPos().y + 5.0f);
+        ImGui::GetCursorScreenPos().x + recent_connection_image_width * 0.04f,
+        ImGui::GetCursorScreenPos().y + recent_connection_image_height * 0.08f);
     ImVec2 image_pos =
-        ImVec2(ImGui::GetCursorPosX() + 5.0f, ImGui::GetCursorPosY() + 5.0f);
+        ImVec2(ImGui::GetCursorPosX() + recent_connection_image_width * 0.05f,
+               ImGui::GetCursorPosY() + recent_connection_image_height * 0.08f);
     ImGui::SetCursorPos(image_pos);
-    ImGui::Image((ImTextureID)(intptr_t)it.second.texture,
+    ImGui::Image(
-                 ImVec2((float)recent_connection_image_width_,
+        (ImTextureID)(intptr_t)it.second.texture,
-                        (float)recent_connection_image_height_));
+        ImVec2(recent_connection_image_width, recent_connection_image_height));
 
     // remote id display button
     {
@@ -130,16 +139,17 @@ int Render::ShowRecentConnections() {
       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_);
+          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,
+                    ImVec2(recent_connection_dummy_button_width,
-                           button_height));
+                           recent_connection_button_height));
       ImGui::SetWindowFontScale(1.0f);
-      ImGui::SetCursorPos(
+      ImGui::SetCursorPos(ImVec2(
-          ImVec2(dummy_button_pos.x + 2.0f, dummy_button_pos.y + 1.0f));
+          dummy_button_pos.x + recent_connection_dummy_button_width * 0.05f,
+          dummy_button_pos.y + recent_connection_button_height * 0.05f));
       ImGui::SetWindowFontScale(0.65f);
       ImGui::Text("%s", it.second.remote_id.c_str());
       ImGui::SetWindowFontScale(1.0f);
@@ -162,16 +172,18 @@ int Render::ShowRecentConnections() {
     ImGui::SetWindowFontScale(0.5f);
     // trash button
     {
-      ImVec2 trash_can_button_pos = ImVec2(
+      ImVec2 trash_can_button_pos =
-          image_pos.x + recent_connection_image_width_ - 2 * button_width,
+          ImVec2(image_pos.x + recent_connection_image_width -
-          image_pos.y + recent_connection_image_height_);
+                     2 * recent_connection_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))) {
+                        ImVec2(recent_connection_button_width,
+                               recent_connection_button_height))) {
         show_confirm_delete_connection_ = true;
         delete_connection_name_ = it.first;
       }
@@ -187,14 +199,16 @@ int Render::ShowRecentConnections() {
     // connect button
     {
       ImVec2 connect_button_pos =
-          ImVec2(image_pos.x + recent_connection_image_width_ - button_width,
+          ImVec2(image_pos.x + recent_connection_image_width -
-                 image_pos.y + recent_connection_image_height_);
+                     recent_connection_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))) {
+                        ImVec2(recent_connection_button_width,
+                               recent_connection_button_height))) {
         ConnectTo(it.second.remote_id, it.second.password.c_str(),
                   it.second.remember_password);
       }
@@ -206,17 +220,20 @@ int Render::ShowRecentConnections() {
 
     if (count != recent_connections_count - 1) {
       ImVec2 line_start =
-          ImVec2(image_screen_pos.x + recent_connection_image_width_ + 20.0f,
+          ImVec2(image_screen_pos.x + recent_connection_image_width * 1.19f,
                  image_screen_pos.y);
-      ImVec2 line_end = ImVec2(
+      ImVec2 line_end =
-          image_screen_pos.x + recent_connection_image_width_ + 20.0f,
+          ImVec2(image_screen_pos.x + recent_connection_image_width * 1.19f,
-          image_screen_pos.y + recent_connection_image_height_ + button_height);
+                 image_screen_pos.y + recent_connection_image_height +
+                     recent_connection_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::SameLine(0, count != recent_connections_count
+                           ? (recent_connection_image_width * 0.165f)
+                           : 0.0f);
   }
 
   ImGui::EndChild();
@@ -229,32 +246,30 @@ int Render::ShowRecentConnections() {
 }
 
 int Render::ConfirmDeleteConnection() {
-  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  ImGuiIO& io = ImGui::GetIO();
-  ImGui::SetNextWindowPos(ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+  ImGui::SetNextWindowPos(
-                                  connection_status_window_width_) /
+      ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
-                                     2,
+  ImGui::SetNextWindowSize(
-                                 (viewport->WorkSize.y - viewport->WorkPos.y -
+      ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
-                                  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_NoDecoration | ImGuiWindowFlags_NoMove |
-                   ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
                    ImGuiWindowFlags_NoSavedSettings);
   ImGui::PopStyleVar(2);
   ImGui::PopStyleColor();
 
+  auto connection_status_window_width = ImGui::GetWindowSize().x;
+  auto connection_status_window_height = ImGui::GetWindowSize().y;
+
   std::string text =
       localization::confirm_delete_connection[localization_language_index_];
-  ImGui::SetCursorPosX(connection_status_window_width_ * 6 / 19);
+  ImGui::SetCursorPosX(connection_status_window_width * 0.33f);
-  ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+  ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
 
   // ok
   ImGui::SetWindowFontScale(0.5f);
@@ -273,12 +288,9 @@ int Render::ConfirmDeleteConnection() {
     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::SetCursorPosX((connection_status_window_width - text_width) * 0.5f);
-  ImGui::SetCursorPosY(window_height * 0.2f);
+  ImGui::SetCursorPosY(connection_status_window_height * 0.2f);
   ImGui::Text("%s", text.c_str());
   ImGui::SetWindowFontScale(1.0f);
 

src/gui/panels/remote_peer_panel.cpp

@@ -1,4 +1,4 @@
-#include "layout.h"
+#include "layout_relative.h"
 #include "localization.h"
 #include "rd_log.h"
 #include "render.h"
@@ -8,21 +8,28 @@ namespace crossdesk {
 static int InputTextCallback(ImGuiInputTextCallbackData* data);
 
 int Render::RemoteWindow() {
-  ImGui::SetNextWindowPos(ImVec2(local_window_width_ + 1.0f, title_bar_height_),
+  ImGuiIO& io = ImGui::GetIO();
-                          ImGuiCond_Always);
+  float remote_window_width = io.DisplaySize.x * 0.5f;
+  float remote_window_height =
+      io.DisplaySize.y * (1 - TITLE_BAR_HEIGHT - STATUS_BAR_HEIGHT);
+  float remote_window_arrow_button_width = io.DisplaySize.x * 0.1f;
+  float remote_window_arrow_button_height = io.DisplaySize.y * 0.078f;
+
+  ImGui::SetNextWindowPos(
+      ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 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::PushStyleColor(ImGuiCol_ChildBg, ImVec4(0, 0, 0, 0));
   ImGui::BeginChild("RemoteDesktopWindow",
-                    ImVec2(remote_window_width_, remote_window_height_),
+                    ImVec2(remote_window_width, remote_window_height),
                     ImGuiChildFlags_None,
-                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+                    ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
                         ImGuiWindowFlags_NoBringToFrontOnFocus);
   ImGui::PopStyleColor();
 
-  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + main_window_text_y_padding_);
+  ImGui::SetCursorPos(
-  ImGui::Indent(main_child_window_x_padding_ - 1.0f);
+      ImVec2(io.DisplaySize.x * 0.057f, io.DisplaySize.y * 0.02f));
 
   ImGui::TextColored(
       ImVec4(0.0f, 0.0f, 0.0f, 0.5f), "%s",
@@ -31,8 +38,7 @@ int Render::RemoteWindow() {
   ImGui::Spacing();
   {
     ImGui::SetNextWindowPos(
-        ImVec2(local_window_width_ + main_child_window_x_padding_ - 1.0f,
+        ImVec2(io.DisplaySize.x * 0.557f, io.DisplaySize.y * 0.15f),
-               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));
@@ -40,10 +46,9 @@ int Render::RemoteWindow() {
 
     ImGui::BeginChild(
         "RemoteDesktopWindow_1",
-        ImVec2(remote_child_window_width_, remote_child_window_height_),
+        ImVec2(remote_window_width * 0.8f, remote_window_height * 0.43f),
         ImGuiChildFlags_Border,
-        ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+        ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-            ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
             ImGuiWindowFlags_NoBringToFrontOnFocus);
     ImGui::PopStyleVar();
     ImGui::PopStyleColor();
@@ -53,7 +58,7 @@ int Render::RemoteWindow() {
           "%s", localization::remote_id[localization_language_index_].c_str());
 
       ImGui::Spacing();
-      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH);
+      ImGui::SetNextItemWidth(io.DisplaySize.x * 0.25f);
       ImGui::SetWindowFontScale(1.0f);
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
       if (re_enter_remote_id_) {
@@ -75,38 +80,65 @@ int Render::RemoteWindow() {
       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)) ||
+      if (ImGui::Button(ICON_FA_ARROW_RIGHT_LONG,
+                        ImVec2(remote_window_arrow_button_width,
+                               remote_window_arrow_button_height)) ||
           enter_pressed) {
         connect_button_pressed_ = true;
         bool found = false;
+        std::string target_remote_id;
+        std::string target_password;
+        bool should_connect = false;
+        bool already_connected = false;
+
         for (auto& [id, props] : recent_connections_) {
           if (id.find(remote_id) != std::string::npos) {
             found = true;
-            if (client_properties_.find(remote_id) !=
+            target_remote_id = props.remote_id;
-                client_properties_.end()) {
+            target_password = props.password;
-              if (!client_properties_[remote_id]->connection_established_) {
+            {
-                ConnectTo(props.remote_id, props.password.c_str(), false);
+              // std::shared_lock lock(client_properties_mutex_);
+              if (client_properties_.find(remote_id) !=
+                  client_properties_.end()) {
+                if (!client_properties_[remote_id]->connection_established_) {
+                  should_connect = true;
+                } else {
+                  already_connected = true;
+                }
               } else {
-                // todo: show warning message
+                should_connect = true;
-                LOG_INFO("Already connected to [{}]", remote_id);
               }
-            } else {
-              ConnectTo(props.remote_id, props.password.c_str(), false);
             }
+
+            if (should_connect) {
+              ConnectTo(target_remote_id, target_password.c_str(), false);
+            } else if (already_connected) {
+              LOG_INFO("Already connected to [{}]", remote_id);
+            }
+            break;
           }
         }
-
         if (!found) {
           ConnectTo(remote_id, "", false);
         }
       }
 
+      // check every 1 second for rejoin
       if (need_to_rejoin_) {
-        need_to_rejoin_ = false;
+        auto now = std::chrono::steady_clock::now();
-        for (const auto& [_, props] : client_properties_) {
+        auto elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(
-          if (props->rejoin_) {
+                           now - last_rejoin_check_time_)
-            ConnectTo(props->remote_id_, props->remote_password_,
+                           .count();
-                      props->remember_password_);
+
+        if (elapsed >= 1000) {
+          last_rejoin_check_time_ = now;
+          need_to_rejoin_ = false;
+          // std::shared_lock lock(client_properties_mutex_);
+          for (const auto& [_, props] : client_properties_) {
+            if (props->rejoin_) {
+              ConnectTo(props->remote_id_, props->remote_password_,
+                        props->remember_password_);
+            }
           }
         }
       }
@@ -136,33 +168,61 @@ int Render::ConnectTo(const std::string& remote_id, const char* password,
   LOG_INFO("Connect to [{}]", remote_id);
   focused_remote_id_ = remote_id;
 
-  if (client_properties_.find(remote_id) == client_properties_.end()) {
+  // std::shared_lock shared_lock(client_properties_mutex_);
-    client_properties_[remote_id] =
+  bool exists =
-        std::make_shared<SubStreamWindowProperties>();
+      (client_properties_.find(remote_id) != client_properties_.end());
-    auto props = client_properties_[remote_id];
+  // shared_lock.unlock();
-    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_);
 
-    for (auto& display_info : display_info_list_) {
+  if (!exists) {
-      AddVideoStream(peer_, display_info.name.c_str());
+    PeerPtr* peer_to_init = nullptr;
-    }
+    std::string local_id;
-    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_);
+      // std::unique_lock unique_lock(client_properties_mutex_);
-      Init(props->peer_);
+      if (client_properties_.find(remote_id) == client_properties_.end()) {
-      LOG_INFO("[{}] Peer init finish", props->local_id_);
+        client_properties_[remote_id] =
-    } else {
+            std::make_shared<SubStreamWindowProperties>();
-      LOG_INFO("Create peer [{}] instance failed", props->local_id_);
+        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_);
+
+        props->control_window_width_ = title_bar_height_ * 8.0f;
+        props->control_window_height_ = title_bar_height_ * 1.3f;
+        props->control_window_min_width_ = title_bar_height_ * 0.65f;
+        props->control_window_min_height_ = title_bar_height_ * 1.3f;
+        props->control_window_max_width_ = title_bar_height_ * 8.0f;
+        props->control_window_max_height_ = title_bar_height_ * 6.0f;
+
+        if (!props->peer_) {
+          LOG_INFO("Create peer [{}] instance failed", props->local_id_);
+          return -1;
+        }
+
+        for (auto& display_info : display_info_list_) {
+          AddVideoStream(props->peer_, display_info.name.c_str());
+        }
+        AddAudioStream(props->peer_, props->audio_label_.c_str());
+        AddDataStream(props->peer_, props->data_label_.c_str());
+
+        props->connection_status_ = ConnectionStatus::Connecting;
+
+        peer_to_init = props->peer_;
+        local_id = props->local_id_;
+      }
     }
 
-    props->connection_status_ = ConnectionStatus::Connecting;
+    if (peer_to_init) {
+      LOG_INFO("[{}] Create peer instance successful", local_id);
+      Init(peer_to_init);
+      LOG_INFO("[{}] Peer init finish", local_id);
+    }
   }
+
   int ret = -1;
+  // std::shared_lock read_lock(client_properties_mutex_);
   auto props = client_properties_[remote_id];
   if (!props->connection_established_) {
     props->remember_password_ = remember_password;
@@ -174,14 +234,17 @@ int Render::ConnectTo(const std::string& remote_id, const char* password,
     }
 
     std::string remote_id_with_pwd = remote_id + "@" + password;
-    ret = JoinConnection(props->peer_, remote_id_with_pwd.c_str());
+    if (props->peer_) {
-    if (0 == ret) {
+      ret = JoinConnection(props->peer_, remote_id_with_pwd.c_str());
-      props->rejoin_ = false;
+      if (0 == ret) {
-    } else {
+        props->rejoin_ = false;
-      props->rejoin_ = true;
+      } else {
-      need_to_rejoin_ = true;
+        props->rejoin_ = true;
+        need_to_rejoin_ = true;
+      }
     }
   }
+  // read_lock.unlock();
 
   return 0;
 }

src/gui/render.cpp

@@ -6,12 +6,13 @@
 #include <fstream>
 #include <iostream>
 #include <string>
+#include <thread>
 
 #include "OPPOSans_Regular.h"
 #include "device_controller_factory.h"
 #include "fa_regular_400.h"
 #include "fa_solid_900.h"
-#include "layout.h"
+#include "layout_relative.h"
 #include "localization.h"
 #include "platform.h"
 #include "rd_log.h"
@@ -20,8 +21,6 @@
 
 #define NV12_BUFFER_SIZE 1280 * 720 * 3 / 2
 
-#define MOUSE_GRAB_PADDING 5
-
 namespace crossdesk {
 
 std::vector<char> Render::SerializeRemoteAction(const RemoteAction& action) {
@@ -133,9 +132,39 @@ SDL_HitTestResult Render::HitTestCallback(SDL_Window* window,
   int window_width, window_height;
   SDL_GetWindowSize(window, &window_width, &window_height);
 
-  if (area->y < 30 && area->y > MOUSE_GRAB_PADDING &&
+  // check if curosor is in tab bar
-      area->x < window_width - 120 && area->x > MOUSE_GRAB_PADDING &&
+  if (render->stream_window_inited_ && render->stream_window_created_ &&
-      !render->is_tab_bar_hovered_) {
+      !render->fullscreen_button_pressed_ && render->stream_ctx_) {
+    ImGuiContext* prev_ctx = ImGui::GetCurrentContext();
+    ImGui::SetCurrentContext(render->stream_ctx_);
+
+    ImGuiWindow* tab_bar_window = ImGui::FindWindowByName("TabBar");
+    if (tab_bar_window && tab_bar_window->Active) {
+      ImGuiIO& io = ImGui::GetIO();
+      float scale_x = io.DisplayFramebufferScale.x;
+      float scale_y = io.DisplayFramebufferScale.y;
+
+      float tab_bar_x = tab_bar_window->Pos.x * scale_x;
+      float tab_bar_y = tab_bar_window->Pos.y * scale_y;
+      float tab_bar_width = tab_bar_window->Size.x * scale_x;
+      float tab_bar_height = tab_bar_window->Size.y * scale_y;
+
+      ImGui::SetCurrentContext(prev_ctx);
+
+      if (area->x >= tab_bar_x && area->x <= tab_bar_x + tab_bar_width &&
+          area->y >= tab_bar_y && area->y <= tab_bar_y + tab_bar_height) {
+        return SDL_HITTEST_NORMAL;
+      }
+    } else {
+      ImGui::SetCurrentContext(prev_ctx);
+    }
+  }
+
+  float mouse_grab_padding = render->title_bar_button_width_ * 0.16f;
+  if (area->y < render->title_bar_button_width_ &&
+      area->y > mouse_grab_padding &&
+      area->x < window_width - render->title_bar_button_width_ * 4.0f &&
+      area->x > mouse_grab_padding) {
     return SDL_HITTEST_DRAGGABLE;
   }
 
@@ -143,32 +172,32 @@ SDL_HitTestResult Render::HitTestCallback(SDL_Window* window,
   //   return SDL_HITTEST_NORMAL;
   // }
 
-  if (area->y < MOUSE_GRAB_PADDING) {
+  if (area->y < mouse_grab_padding) {
-    if (area->x < MOUSE_GRAB_PADDING) {
+    if (area->x < mouse_grab_padding) {
       return SDL_HITTEST_RESIZE_TOPLEFT;
-    } else if (area->x > window_width - MOUSE_GRAB_PADDING) {
+    } else if (area->x > window_width - mouse_grab_padding) {
       return SDL_HITTEST_RESIZE_TOPRIGHT;
     } else {
       return SDL_HITTEST_RESIZE_TOP;
     }
-  } else if (area->y > window_height - MOUSE_GRAB_PADDING) {
+  } else if (area->y > window_height - mouse_grab_padding) {
-    if (area->x < MOUSE_GRAB_PADDING) {
+    if (area->x < mouse_grab_padding) {
       return SDL_HITTEST_RESIZE_BOTTOMLEFT;
-    } else if (area->x > window_width - MOUSE_GRAB_PADDING) {
+    } else if (area->x > window_width - mouse_grab_padding) {
       return SDL_HITTEST_RESIZE_BOTTOMRIGHT;
     } else {
       return SDL_HITTEST_RESIZE_BOTTOM;
     }
-  } else if (area->x < MOUSE_GRAB_PADDING) {
+  } else if (area->x < mouse_grab_padding) {
     return SDL_HITTEST_RESIZE_LEFT;
-  } else if (area->x > window_width - MOUSE_GRAB_PADDING) {
+  } else if (area->x > window_width - mouse_grab_padding) {
     return SDL_HITTEST_RESIZE_RIGHT;
   }
 
   return SDL_HITTEST_NORMAL;
 }
 
-Render::Render() {}
+Render::Render() : last_rejoin_check_time_(std::chrono::steady_clock::now()) {}
 
 Render::~Render() {}
 
@@ -207,7 +236,7 @@ int Render::LoadSettingsFromCacheFile() {
     memset(aes128_iv_, 0, sizeof(aes128_iv_));
 
     thumbnail_.reset();
-    thumbnail_ = std::make_unique<Thumbnail>(cache_path_ + "/thumbnails/");
+    thumbnail_ = std::make_shared<Thumbnail>(cache_path_ + "/thumbnails/");
     thumbnail_->GetKeyAndIv(aes128_key_, aes128_iv_);
     thumbnail_->DeleteAllFilesInDirectory();
 
@@ -248,7 +277,7 @@ int Render::LoadSettingsFromCacheFile() {
   memcpy(aes128_iv_, cd_cache_.iv, sizeof(cd_cache_.iv));
 
   thumbnail_.reset();
-  thumbnail_ = std::make_unique<Thumbnail>(cache_path_ + "/thumbnails/",
+  thumbnail_ = std::make_shared<Thumbnail>(cache_path_ + "/thumbnails/",
                                            aes128_key_, aes128_iv_);
 
   language_button_value_ = (int)config_center_->GetLanguage();
@@ -365,13 +394,16 @@ int Render::StartSpeakerCapturer() {
 
   if (speaker_capturer_) {
     speaker_capturer_->Start();
+    start_speaker_capturer_ = true;
   }
+
   return 0;
 }
 
 int Render::StopSpeakerCapturer() {
   if (speaker_capturer_) {
     speaker_capturer_->Stop();
+    start_speaker_capturer_ = false;
   }
 
   return 0;
@@ -459,14 +491,22 @@ int Render::CreateConnectionPeer() {
   strncpy(signal_server_ip_self_, config_center_->GetSignalServerHost().c_str(),
           sizeof(signal_server_ip_self_) - 1);
   signal_server_ip_self_[sizeof(signal_server_ip_self_) - 1] = '\0';
-  strncpy(signal_server_port_self_,
+  int signal_port = config_center_->GetSignalServerPort();
-          std::to_string(config_center_->GetSignalServerPort()).c_str(),
+  if (signal_port > 0) {
-          sizeof(signal_server_port_self_) - 1);
+    strncpy(signal_server_port_self_, std::to_string(signal_port).c_str(),
-  signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
+            sizeof(signal_server_port_self_) - 1);
-  strncpy(coturn_server_port_self_,
+    signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
-          std::to_string(config_center_->GetCoturnServerPort()).c_str(),
+  } else {
-          sizeof(coturn_server_port_self_) - 1);
+    signal_server_port_self_[0] = '\0';
-  coturn_server_port_self_[sizeof(coturn_server_port_self_) - 1] = '\0';
+  }
+  int coturn_port = config_center_->GetCoturnServerPort();
+  if (coturn_port > 0) {
+    strncpy(coturn_server_port_self_, std::to_string(coturn_port).c_str(),
+            sizeof(coturn_server_port_self_) - 1);
+    coturn_server_port_self_[sizeof(coturn_server_port_self_) - 1] = '\0';
+  } else {
+    coturn_server_port_self_[0] = '\0';
+  }
   tls_cert_path_self_ = config_center_->GetCertFilePath();
 
   // peer config
@@ -612,21 +652,38 @@ int Render::CreateMainWindow() {
   ImGui::SetCurrentContext(main_ctx_);
 
   if (!SDL_CreateWindowAndRenderer(
-          "Remote Desk", (int)main_window_width_default_,
+          "Remote Desk", (int)main_window_width_, (int)main_window_height_,
-          (int)main_window_height_default_,
           SDL_WINDOW_HIGH_PIXEL_DENSITY | SDL_WINDOW_BORDERLESS |
               SDL_WINDOW_HIDDEN,
           &main_window_, &main_renderer_)) {
-    LOG_ERROR("Error creating main_window_ and main_renderer_: {}",
+    LOG_ERROR("Error creating MainWindow and MainRenderer: {}", SDL_GetError());
-              SDL_GetError());
     return -1;
   }
 
+  float dpi_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
+  if (std::abs(dpi_scale_ - dpi_scale) > 0.01f) {
+    dpi_scale_ = dpi_scale;
+
+    main_window_width_ = (int)(main_window_width_ * dpi_scale_);
+    main_window_height_ = (int)(main_window_height_ * dpi_scale_);
+    stream_window_width_ = (int)(stream_window_width_ * dpi_scale_);
+    stream_window_height_ = (int)(stream_window_height_ * dpi_scale_);
+
+    SDL_SetWindowSize(main_window_, (int)main_window_width_,
+                      (int)main_window_height_);
+  }
+
   SDL_SetWindowResizable(main_window_, false);
 
   // for window region action
   SDL_SetWindowHitTest(main_window_, HitTestCallback, this);
 
+  SetupFontAndStyle(true);
+
+  ImGuiStyle& style = ImGui::GetStyle();
+  style.ScaleAllSizes(dpi_scale_);
+  style.FontScaleDpi = dpi_scale_;
+
 #if _WIN32
   SDL_PropertiesID props = SDL_GetWindowProperties(main_window_);
   HWND main_hwnd = (HWND)SDL_GetPointerProperty(
@@ -638,6 +695,9 @@ int Render::CreateMainWindow() {
                                     localization_language_index_);
 #endif
 
+  ImGui_ImplSDL3_InitForSDLRenderer(main_window_, main_renderer_);
+  ImGui_ImplSDLRenderer3_Init(main_renderer_);
+
   return 0;
 }
 
@@ -671,8 +731,8 @@ int Render::CreateStreamWindow() {
   ImGui::SetCurrentContext(stream_ctx_);
 
   if (!SDL_CreateWindowAndRenderer(
-          "Stream window", (int)stream_window_width_default_,
+          "Stream window", (int)stream_window_width_,
-          (int)stream_window_height_default_,
+          (int)stream_window_height_,
           SDL_WINDOW_HIGH_PIXEL_DENSITY | SDL_WINDOW_BORDERLESS,
           &stream_window_, &stream_renderer_)) {
     LOG_ERROR("Error creating stream_window_ and stream_renderer_: {}",
@@ -687,6 +747,15 @@ int Render::CreateStreamWindow() {
   // for window region action
   SDL_SetWindowHitTest(stream_window_, HitTestCallback, this);
 
+  SetupFontAndStyle(false);
+
+  ImGuiStyle& style = ImGui::GetStyle();
+  style.ScaleAllSizes(dpi_scale_);
+  style.FontScaleDpi = dpi_scale_;
+
+  ImGui_ImplSDL3_InitForSDLRenderer(stream_window_, stream_renderer_);
+  ImGui_ImplSDLRenderer3_Init(stream_renderer_);
+
   // change props->stream_render_rect_
   SDL_Event event;
   event.type = SDL_EVENT_WINDOW_PIXEL_SIZE_CHANGED;
@@ -696,6 +765,9 @@ int Render::CreateStreamWindow() {
   stream_window_created_ = true;
   just_created_ = true;
 
+  stream_window_inited_ = true;
+  LOG_INFO("Stream window inited");
+
   return 0;
 }
 
@@ -720,7 +792,9 @@ int Render::DestroyStreamWindow() {
   return 0;
 }
 
-int Render::SetupFontAndStyle() {
+int Render::SetupFontAndStyle(bool main_window) {
+  float font_size = 32.0f;
+
   // Setup Dear ImGui style
   ImGuiIO& io = ImGui::GetIO();
 
@@ -730,7 +804,7 @@ int Render::SetupFontAndStyle() {
   ImFontConfig config;
   config.FontDataOwnedByAtlas = false;
   io.Fonts->AddFontFromMemoryTTF(OPPOSans_Regular_ttf, OPPOSans_Regular_ttf_len,
-                                 32.0f, &config,
+                                 font_size, &config,
                                  io.Fonts->GetGlyphRangesChineseFull());
   config.MergeMode = true;
   static const ImWchar icon_ranges[] = {ICON_MIN_FA, ICON_MAX_FA, 0};
@@ -740,7 +814,11 @@ int Render::SetupFontAndStyle() {
   // Load system Chinese font as fallback
   config.MergeMode = false;
   config.FontDataOwnedByAtlas = false;
-  system_chinese_font_ = nullptr;
+  if (main_window) {
+    main_windows_system_chinese_font_ = nullptr;
+  } else {
+    stream_windows_system_chinese_font_ = nullptr;
+  }
 
 #if defined(_WIN32)
   // Windows: Try Microsoft YaHei (微软雅黑) first, then SimSun (宋体)
@@ -766,52 +844,44 @@ int Render::SetupFontAndStyle() {
     std::ifstream font_file(font_paths[i], std::ios::binary);
     if (font_file.good()) {
       font_file.close();
-      system_chinese_font_ = io.Fonts->AddFontFromFileTTF(
+      if (main_window) {
-          font_paths[i], 32.0f, &config, io.Fonts->GetGlyphRangesChineseFull());
+        main_windows_system_chinese_font_ =
-      if (system_chinese_font_ != nullptr) {
+            io.Fonts->AddFontFromFileTTF(font_paths[i], font_size, &config,
-        LOG_INFO("Loaded system Chinese font: {}", font_paths[i]);
+                                         io.Fonts->GetGlyphRangesChineseFull());
-        break;
+        if (main_windows_system_chinese_font_ != nullptr) {
+          LOG_INFO("Loaded system Chinese font: {}", font_paths[i]);
+          break;
+        }
+      } else {
+        stream_windows_system_chinese_font_ =
+            io.Fonts->AddFontFromFileTTF(font_paths[i], font_size, &config,
+                                         io.Fonts->GetGlyphRangesChineseFull());
+        if (stream_windows_system_chinese_font_ != nullptr) {
+          LOG_INFO("Loaded system Chinese font: {}", font_paths[i]);
+          break;
+        }
       }
     }
   }
 
   // If no system font found, use default font
-  if (system_chinese_font_ == nullptr) {
+  if (main_window) {
-    system_chinese_font_ = io.Fonts->AddFontDefault(&config);
+    if (main_windows_system_chinese_font_ == nullptr) {
-    LOG_WARN("System Chinese font not found, using default font");
+      main_windows_system_chinese_font_ = io.Fonts->AddFontDefault(&config);
+      LOG_WARN("System Chinese font not found, using default font");
+    }
+  } else {
+    if (stream_windows_system_chinese_font_ == nullptr) {
+      stream_windows_system_chinese_font_ = io.Fonts->AddFontDefault(&config);
+      LOG_WARN("System Chinese font not found, using default font");
+    }
   }
 
-  io.Fonts->Build();
   ImGui::StyleColorsLight();
 
   return 0;
 }
 
-int Render::SetupMainWindow() {
-  if (!main_ctx_) {
-    LOG_ERROR("Main context is null");
-    return -1;
-  }
-
-  ImGui::SetCurrentContext(main_ctx_);
-
-  SetupFontAndStyle();
-
-  SDL_GetWindowSizeInPixels(main_window_, &main_window_width_real_,
-                            &main_window_height_real_);
-  main_window_dpi_scaling_w_ = main_window_width_real_ / main_window_width_;
-  main_window_dpi_scaling_h_ = main_window_width_real_ / main_window_width_;
-  SDL_SetRenderScale(main_renderer_, main_window_dpi_scaling_w_,
-                     main_window_dpi_scaling_h_);
-  LOG_INFO("Use dpi scaling [{}x{}] for main window",
-           main_window_dpi_scaling_w_, main_window_dpi_scaling_h_);
-
-  ImGui_ImplSDL3_InitForSDLRenderer(main_window_, main_renderer_);
-  ImGui_ImplSDLRenderer3_Init(main_renderer_);
-
-  return 0;
-}
-
 int Render::DestroyMainWindowContext() {
   ImGui::SetCurrentContext(main_ctx_);
   ImGui_ImplSDLRenderer3_Shutdown();
@@ -821,42 +891,6 @@ int Render::DestroyMainWindowContext() {
   return 0;
 }
 
-int Render::SetupStreamWindow() {
-  if (stream_window_inited_) {
-    return 0;
-  }
-
-  if (!stream_ctx_) {
-    LOG_ERROR("Stream context is null");
-    return -1;
-  }
-
-  ImGui::SetCurrentContext(stream_ctx_);
-
-  SetupFontAndStyle();
-
-  SDL_GetWindowSizeInPixels(stream_window_, &stream_window_width_real_,
-                            &stream_window_height_real_);
-
-  stream_window_dpi_scaling_w_ =
-      stream_window_width_real_ / stream_window_width_;
-  stream_window_dpi_scaling_h_ =
-      stream_window_width_real_ / stream_window_width_;
-
-  SDL_SetRenderScale(stream_renderer_, stream_window_dpi_scaling_w_,
-                     stream_window_dpi_scaling_h_);
-  LOG_INFO("Use dpi scaling [{}x{}] for stream window",
-           stream_window_dpi_scaling_w_, stream_window_dpi_scaling_h_);
-
-  ImGui_ImplSDL3_InitForSDLRenderer(stream_window_, stream_renderer_);
-  ImGui_ImplSDLRenderer3_Init(stream_renderer_);
-
-  stream_window_inited_ = true;
-  LOG_INFO("Stream window inited");
-
-  return 0;
-}
-
 int Render::DestroyStreamWindowContext() {
   stream_window_inited_ = false;
   ImGui::SetCurrentContext(stream_ctx_);
@@ -878,15 +912,15 @@ int Render::DrawMainWindow() {
   ImGui_ImplSDL3_NewFrame();
   ImGui::NewFrame();
 
+  ImGuiIO& io = ImGui::GetIO();
   ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
   ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
-  ImGui::SetNextWindowSize(
+  ImGui::SetNextWindowSize(ImVec2(io.DisplaySize.x, io.DisplaySize.y),
-      ImVec2(main_window_width_, main_window_height_default_),
+                           ImGuiCond_Always);
-      ImGuiCond_Always);
   ImGui::Begin("MainRender", nullptr,
-               ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+               ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
-                   ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoScrollbar |
+                   ImGuiWindowFlags_NoBringToFrontOnFocus |
-                   ImGuiWindowFlags_NoBringToFrontOnFocus);
+                   ImGuiWindowFlags_NoDocking);
   ImGui::PopStyleColor();
 
   TitleBar(true);
@@ -895,10 +929,19 @@ int Render::DrawMainWindow() {
 
   UpdateNotificationWindow();
 
+#ifdef __APPLE__
+  if (show_request_permission_window_) {
+    RequestPermissionWindow();
+  }
+#endif
+
   ImGui::End();
 
   // Rendering
+  (void)io;
   ImGui::Render();
+  SDL_SetRenderScale(main_renderer_, io.DisplayFramebufferScale.x,
+                     io.DisplayFramebufferScale.y);
   SDL_RenderClear(main_renderer_);
   ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), main_renderer_);
   SDL_RenderPresent(main_renderer_);
@@ -919,28 +962,38 @@ int Render::DrawStreamWindow() {
 
   StreamWindow();
 
+  ImGuiIO& io = ImGui::GetIO();
+  float stream_title_window_height =
+      fullscreen_button_pressed_ ? 0 : title_bar_height_;
+
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  // Set minimum window size to 0 to allow exact height control
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowMinSize, ImVec2(0, 0));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
+  ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
+  ImGui::SetNextWindowSize(ImVec2(io.DisplaySize.x, stream_title_window_height),
+                           ImGuiCond_Always);
+  ImGui::Begin("StreamTitleWindow", nullptr,
+               ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
+                   ImGuiWindowFlags_NoBringToFrontOnFocus |
+                   ImGuiWindowFlags_NoDocking);
+  ImGui::PopStyleVar(2);
+  ImGui::PopStyleColor();
+
   if (!fullscreen_button_pressed_) {
-    ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
-    ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
-    ImGui::SetNextWindowSize(
-        ImVec2(stream_window_width_,
-               fullscreen_button_pressed_ ? 0 : title_bar_height_),
-        ImGuiCond_Always);
-    ImGui::Begin("StreamWindowTitleBar", nullptr,
-                 ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
-                     ImGuiWindowFlags_NoBringToFrontOnFocus |
-                     ImGuiWindowFlags_NoDocking);
-
-    ImGui::PopStyleColor();
-
     TitleBar(false);
-    ImGui::End();
   }
 
+  ImGui::End();
+
   // Rendering
+  (void)io;
   ImGui::Render();
+  SDL_SetRenderScale(stream_renderer_, io.DisplayFramebufferScale.x,
+                     io.DisplayFramebufferScale.y);
   SDL_RenderClear(stream_renderer_);
 
+  // std::shared_lock lock(client_properties_mutex_);
   for (auto& it : client_properties_) {
     auto props = it.second;
     if (props->tab_selected_) {
@@ -993,10 +1046,15 @@ int Render::Run() {
             config_center_->GetSignalServerHost().c_str(),
             sizeof(signal_server_ip_self_) - 1);
     signal_server_ip_self_[sizeof(signal_server_ip_self_) - 1] = '\0';
-    strncpy(signal_server_port_self_,
+    int signal_port_init = config_center_->GetSignalServerPort();
-            std::to_string(config_center_->GetSignalServerPort()).c_str(),
+    if (signal_port_init > 0) {
-            sizeof(signal_server_port_self_) - 1);
+      strncpy(signal_server_port_self_,
-    signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
+              std::to_string(signal_port_init).c_str(),
+              sizeof(signal_server_port_self_) - 1);
+      signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
+    } else {
+      signal_server_port_self_[0] = '\0';
+    }
     strncpy(cert_file_path_, cert_path_.c_str(), sizeof(cert_file_path_) - 1);
     cert_file_path_[sizeof(cert_file_path_) - 1] = '\0';
   } else {
@@ -1005,6 +1063,8 @@ int Render::Run() {
   }
 
   InitializeLogger();
+  LOG_INFO("CrossDesk version: {}", CROSSDESK_VERSION);
+
   InitializeSettings();
   InitializeSDL();
   InitializeModules();
@@ -1069,7 +1129,6 @@ void Render::InitializeModules() {
 
 void Render::InitializeMainWindow() {
   CreateMainWindow();
-  SetupMainWindow();
   if (SDL_WINDOW_HIDDEN & SDL_GetWindowFlags(main_window_)) {
     SDL_ShowWindow(main_window_);
   }
@@ -1180,7 +1239,6 @@ void Render::HandleRecentConnections() {
 void Render::HandleStreamWindow() {
   if (need_to_create_stream_window_) {
     CreateStreamWindow();
-    SetupStreamWindow();
     need_to_create_stream_window_ = false;
   }
 
@@ -1221,6 +1279,9 @@ void Render::Cleanup() {
 
   CleanupFactories();
   CleanupPeers();
+
+  WaitForThumbnailSaveTasks();
+
   AudioDeviceDestroy();
   DestroyMainWindowContext();
   DestroyMainWindow();
@@ -1248,10 +1309,29 @@ void Render::CleanupPeer(std::shared_ptr<SubStreamWindowProperties> props) {
   SDL_FlushEvent(STREAM_REFRESH_EVENT);
 
   if (props->dst_buffer_) {
-    thumbnail_->SaveToThumbnail(
+    size_t buffer_size = props->dst_buffer_capacity_;
-        (char*)props->dst_buffer_, props->video_width_, props->video_height_,
+    std::vector<unsigned char> buffer_copy(buffer_size);
-        props->remote_id_, props->remote_host_name_,
+    memcpy(buffer_copy.data(), props->dst_buffer_, buffer_size);
-        props->remember_password_ ? props->remote_password_ : "");
+
+    int video_width = props->video_width_;
+    int video_height = props->video_height_;
+    std::string remote_id = props->remote_id_;
+    std::string remote_host_name = props->remote_host_name_;
+    std::string password =
+        props->remember_password_ ? props->remote_password_ : "";
+
+    std::thread save_thread([buffer_copy, video_width, video_height, remote_id,
+                             remote_host_name, password,
+                             thumbnail = thumbnail_]() {
+      thumbnail->SaveToThumbnail((char*)buffer_copy.data(), video_width,
+                                 video_height, remote_id, remote_host_name,
+                                 password);
+    });
+
+    {
+      std::lock_guard<std::mutex> lock(thumbnail_save_threads_mutex_);
+      thumbnail_save_threads_.emplace_back(std::move(save_thread));
+    }
   }
 
   if (props->peer_) {
@@ -1275,12 +1355,37 @@ void Render::CleanupPeers() {
     DestroyPeer(&peer_);
   }
 
-  for (auto& it : client_properties_) {
+  {
-    auto props = it.second;
+    // std::shared_lock lock(client_properties_mutex_);
-    CleanupPeer(props);
+    for (auto& it : client_properties_) {
+      auto props = it.second;
+      CleanupPeer(props);
+    }
   }
 
-  client_properties_.clear();
+  {
+    // std::unique_lock lock(client_properties_mutex_);
+    client_properties_.clear();
+  }
+}
+
+void Render::WaitForThumbnailSaveTasks() {
+  std::vector<std::thread> threads_to_join;
+
+  {
+    std::lock_guard<std::mutex> lock(thumbnail_save_threads_mutex_);
+    threads_to_join.swap(thumbnail_save_threads_);
+  }
+
+  if (threads_to_join.empty()) {
+    return;
+  }
+
+  for (auto& thread : threads_to_join) {
+    if (thread.joinable()) {
+      thread.join();
+    }
+  }
 }
 
 void Render::CleanSubStreamWindowProperties(
@@ -1297,6 +1402,7 @@ void Render::CleanSubStreamWindowProperties(
 }
 
 void Render::UpdateRenderRect() {
+  // std::shared_lock lock(client_properties_mutex_);
   for (auto& [_, props] : client_properties_) {
     if (!props->reset_control_bar_pos_) {
       props->mouse_diff_control_bar_pos_x_ = 0;
@@ -1371,34 +1477,41 @@ void Render::ProcessSdlEvent(const SDL_Event& event) {
         DestroyStreamWindow();
         DestroyStreamWindowContext();
 
-        for (auto& [host_name, props] : client_properties_) {
+        {
-          thumbnail_->SaveToThumbnail(
+          // std::shared_lock lock(client_properties_mutex_);
-              (char*)props->dst_buffer_, props->video_width_,
+          for (auto& [host_name, props] : client_properties_) {
-              props->video_height_, host_name, props->remote_host_name_,
+            thumbnail_->SaveToThumbnail(
-              props->remember_password_ ? props->remote_password_ : "");
+                (char*)props->dst_buffer_, props->video_width_,
+                props->video_height_, host_name, props->remote_host_name_,
+                props->remember_password_ ? props->remote_password_ : "");
 
-          if (props->peer_) {
+            if (props->peer_) {
-            std::string client_id = (host_name == client_id_)
+              std::string client_id = (host_name == client_id_)
-                                        ? "C-" + std::string(client_id_)
+                                          ? "C-" + std::string(client_id_)
-                                        : client_id_;
+                                          : client_id_;
-            LOG_INFO("[{}] Leave connection [{}]", client_id, host_name);
+              LOG_INFO("[{}] Leave connection [{}]", client_id, host_name);
-            LeaveConnection(props->peer_, host_name.c_str());
+              LeaveConnection(props->peer_, host_name.c_str());
-            LOG_INFO("Destroy peer [{}]", client_id);
+              LOG_INFO("Destroy peer [{}]", client_id);
-            DestroyPeer(&props->peer_);
+              DestroyPeer(&props->peer_);
+            }
+
+            props->streaming_ = false;
+            props->remember_password_ = false;
+            props->connection_established_ = false;
+            props->audio_capture_button_pressed_ = false;
+
+            memset(&props->net_traffic_stats_, 0,
+                   sizeof(props->net_traffic_stats_));
+            SDL_SetWindowFullscreen(main_window_, false);
+            SDL_FlushEvents(STREAM_REFRESH_EVENT, STREAM_REFRESH_EVENT);
+            memset(audio_buffer_, 0, 720);
           }
-
-          props->streaming_ = false;
-          props->remember_password_ = false;
-          props->connection_established_ = false;
-          props->audio_capture_button_pressed_ = false;
-
-          memset(&props->net_traffic_stats_, 0,
-                 sizeof(props->net_traffic_stats_));
-          SDL_SetWindowFullscreen(main_window_, false);
-          SDL_FlushEvents(STREAM_REFRESH_EVENT, STREAM_REFRESH_EVENT);
-          memset(audio_buffer_, 0, 720);
         }
-        client_properties_.clear();
+
+        {
+          // std::unique_lock lock(client_properties_mutex_);
+          client_properties_.clear();
+        }
 
         rejoin_ = false;
         is_client_mode_ = false;

src/gui/render.h

@@ -15,8 +15,10 @@
 #include <mutex>
 #include <nlohmann/json.hpp>
 #include <optional>
+#include <shared_mutex>
 #include <string>
 #include <unordered_map>
+#include <vector>
 
 #include "IconsFontAwesome6.h"
 #include "config_center.h"
@@ -30,6 +32,7 @@
 #include "screen_capturer_factory.h"
 #include "speaker_capturer_factory.h"
 #include "thumbnail.h"
+
 #if _WIN32
 #include "win_tray.h"
 #endif
@@ -69,10 +72,10 @@ class Render {
     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_min_height_ = 38;
-    float control_window_max_height_ = 170;
+    float control_window_max_height_ = 180;
     float control_window_width_ = 230;
-    float control_window_height_ = 40;
+    float control_window_height_ = 38;
     float control_bar_pos_x_ = 0;
     float control_bar_pos_y_ = 30;
     float mouse_diff_control_bar_pos_x_ = 0;
@@ -177,10 +180,8 @@ class Render {
   int DestroyMainWindow();
   int CreateStreamWindow();
   int DestroyStreamWindow();
-  int SetupFontAndStyle();
+  int SetupFontAndStyle(bool main_window);
-  int SetupMainWindow();
   int DestroyMainWindowContext();
-  int SetupStreamWindow();
   int DestroyStreamWindowContext();
   int DrawMainWindow();
   int DrawStreamWindow();
@@ -188,6 +189,14 @@ class Render {
   int NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props);
   void DrawConnectionStatusText(
       std::shared_ptr<SubStreamWindowProperties>& props);
+#ifdef __APPLE__
+  int RequestPermissionWindow();
+  bool CheckScreenRecordingPermission();
+  bool CheckAccessibilityPermission();
+  void OpenScreenRecordingPreferences();
+  void OpenAccessibilityPreferences();
+  bool DrawToggleSwitch(const char* id, bool active, bool enabled);
+#endif
 
  public:
   static void OnReceiveVideoBufferCb(const XVideoFrame* video_frame,
@@ -285,13 +294,15 @@ class Render {
   /* ------ all windows property start ------ */
   float title_bar_width_ = 640;
   float title_bar_height_ = 30;
+  float title_bar_button_width_ = 30;
+  float title_bar_button_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_;
+  std::shared_ptr<Thumbnail> thumbnail_;
 
   // recent connections
   std::vector<std::pair<std::string, Thumbnail::RecentConnection>>
@@ -304,7 +315,8 @@ class Render {
   SDL_Window* main_window_ = nullptr;
   SDL_Renderer* main_renderer_ = nullptr;
   ImGuiContext* main_ctx_ = nullptr;
-  ImFont* system_chinese_font_ = nullptr;  // System Chinese font for fallback
+  ImFont* main_windows_system_chinese_font_ = nullptr;
+  ImFont* stream_windows_system_chinese_font_ = nullptr;
   bool exit_ = false;
   const int sdl_refresh_ms_ = 16;  // ~60 FPS
 #if _WIN32
@@ -332,6 +344,7 @@ class Render {
   int main_window_height_real_ = 540;
   float main_window_dpi_scaling_w_ = 1.0f;
   float main_window_dpi_scaling_h_ = 1.0f;
+  float dpi_scale_ = 1.0f;
   float main_window_width_default_ = 640;
   float main_window_height_default_ = 480;
   float main_window_width_ = 640;
@@ -371,6 +384,7 @@ class Render {
   int audio_len_ = 0;
   bool audio_buffer_fresh_ = false;
   bool need_to_rejoin_ = false;
+  std::chrono::steady_clock::time_point last_rejoin_check_time_;
   bool just_created_ = false;
   std::string controlled_remote_id_ = "";
   std::string focused_remote_id_ = "";
@@ -449,6 +463,9 @@ class Render {
   bool show_new_version_icon_in_menu_ = true;
   uint64_t new_version_icon_last_trigger_time_ = 0;
   uint64_t new_version_icon_render_start_time_ = 0;
+#ifdef __APPLE__
+  bool show_request_permission_window_ = true;
+#endif
   char client_id_[10] = "";
   char client_id_display_[12] = "";
   char client_id_with_password_[17] = "";
@@ -492,9 +509,15 @@ class Render {
   /* ------ sub stream window property start ------ */
   std::unordered_map<std::string, std::shared_ptr<SubStreamWindowProperties>>
       client_properties_;
+  std::shared_mutex client_properties_mutex_;
   void CloseTab(decltype(client_properties_)::iterator& it);
   /* ------ stream window property end ------ */
 
+  /* ------ async thumbnail save tasks ------ */
+  std::vector<std::thread> thumbnail_save_threads_;
+  std::mutex thumbnail_save_threads_mutex_;
+  void WaitForThumbnailSaveTasks();
+
   /* ------ server mode ------ */
   std::unordered_map<std::string, ConnectionStatus> connection_status_;
 };

src/gui/render_callback.cpp

@@ -21,13 +21,16 @@ int Render::SendKeyCommand(int key_code, bool is_down) {
   remote_action.k.key_value = key_code;
 
   if (!controlled_remote_id_.empty()) {
+    // std::shared_lock lock(client_properties_mutex_);
     if (client_properties_.find(controlled_remote_id_) !=
         client_properties_.end()) {
       auto props = client_properties_[controlled_remote_id_];
       if (props->connection_status_ == ConnectionStatus::Connected) {
         std::string msg = remote_action.to_json();
-        SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+        if (props->peer_) {
-                      props->data_label_.c_str());
+          SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+                        props->data_label_.c_str());
+        }
       }
     }
   }
@@ -42,6 +45,7 @@ int Render::ProcessMouseEvent(const SDL_Event& event) {
   float ratio_x, ratio_y = 0;
   RemoteAction remote_action;
 
+  // std::shared_lock lock(client_properties_mutex_);
   for (auto& it : client_properties_) {
     auto props = it.second;
     if (!props->control_mouse_) {
@@ -94,8 +98,10 @@ int Render::ProcessMouseEvent(const SDL_Event& event) {
       }
 
       std::string msg = remote_action.to_json();
-      SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+      if (props->peer_) {
-                    props->data_label_.c_str());
+        SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+                      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 +
@@ -139,8 +145,10 @@ int Render::ProcessMouseEvent(const SDL_Event& event) {
           render_height;
 
       std::string msg = remote_action.to_json();
-      SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+      if (props->peer_) {
-                    props->data_label_.c_str());
+        SendDataFrame(props->peer_, msg.c_str(), msg.size(),
+                      props->data_label_.c_str());
+      }
     }
   }
 
@@ -154,11 +162,14 @@ void Render::SdlCaptureAudioIn(void* userdata, Uint8* stream, int len) {
   }
 
   if (1) {
-    for (auto it : render->client_properties_) {
+    // std::shared_lock lock(render->client_properties_mutex_);
+    for (const auto& it : render->client_properties_) {
       auto props = it.second;
       if (props->connection_status_ == ConnectionStatus::Connected) {
-        SendAudioFrame(props->peer_, (const char*)stream, len,
+        if (props->peer_) {
-                       render->audio_label_.c_str());
+          SendAudioFrame(props->peer_, (const char*)stream, len,
+                         render->audio_label_.c_str());
+        }
       }
     }
 
@@ -207,6 +218,7 @@ void Render::OnReceiveVideoBufferCb(const XVideoFrame* video_frame,
   }
 
   std::string remote_id(user_id, user_id_size);
+  // std::shared_lock lock(render->client_properties_mutex_);
   if (render->client_properties_.find(remote_id) ==
       render->client_properties_.end()) {
     return;
@@ -302,6 +314,7 @@ void Render::OnReceiveDataBufferCb(const char* data, size_t size,
   }
 
   std::string remote_id(user_id, user_id_size);
+  // std::shared_lock lock(render->client_properties_mutex_);
   if (render->client_properties_.find(remote_id) !=
       render->client_properties_.end()) {
     // local
@@ -373,6 +386,7 @@ void Render::OnSignalStatusCb(SignalStatus status, const char* user_id,
     }
 
     std::string remote_id(client_id.begin() + 2, client_id.end());
+    // std::shared_lock lock(render->client_properties_mutex_);
     if (render->client_properties_.find(remote_id) ==
         render->client_properties_.end()) {
       return;
@@ -402,6 +416,7 @@ void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
   if (!render) return;
 
   std::string remote_id(user_id, user_id_size);
+  // std::shared_lock lock(render->client_properties_mutex_);
   auto it = render->client_properties_.find(remote_id);
   auto props = (it != render->client_properties_.end()) ? it->second : nullptr;
 
@@ -428,7 +443,7 @@ void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
       case ConnectionStatus::Closed: {
         props->connection_established_ = false;
         props->mouse_control_button_pressed_ = false;
-        if (props->dst_buffer_) {
+        if (props->dst_buffer_ && props->stream_texture_) {
           memset(props->dst_buffer_, 0, props->dst_buffer_capacity_);
           SDL_UpdateTexture(props->stream_texture_, NULL, props->dst_buffer_,
                             props->texture_width_);
@@ -469,12 +484,12 @@ void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
         render->need_to_send_host_info_ = true;
         render->start_screen_capturer_ = true;
         render->start_speaker_capturer_ = true;
-        // #ifdef CROSSDESK_DEBUG
+#ifdef CROSSDESK_DEBUG
-        //         render->start_mouse_controller_ = false;
+        render->start_mouse_controller_ = false;
-        //         render->start_keyboard_capturer_ = false;
+        render->start_keyboard_capturer_ = false;
-        // #else
+#else
         render->start_mouse_controller_ = true;
-        // #endif
+#endif
         if (std::all_of(render->connection_status_.begin(),
                         render->connection_status_.end(), [](const auto& kv) {
                           return kv.first.find("web") != std::string::npos;
@@ -562,6 +577,7 @@ void Render::NetStatusReport(const char* client_id, size_t client_id_size,
   }
 
   std::string remote_id(user_id, user_id_size);
+  // std::shared_lock lock(render->client_properties_mutex_);
   if (render->client_properties_.find(remote_id) ==
       render->client_properties_.end()) {
     return;

src/gui/toolbars/control_bar.cpp

@@ -32,26 +32,30 @@ int LossRateDisplay(float loss_rate) {
 }
 
 int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
-  ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
+  float button_width = title_bar_height_ * 0.8f;
+  float button_height = title_bar_height_ * 0.8f;
+  float line_padding = title_bar_height_ * 0.12f;
+  float line_thickness = title_bar_height_ * 0.07f;
 
+  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)
+                             ? props->control_window_width_ * 1.03f
-                             : 38.0f);
+                             : props->control_window_width_ * 0.2f);
-    // mouse control button
-    ImDrawList* draw_list = ImGui::GetWindowDrawList();
 
-    if (props->is_control_bar_in_left_) {
+    ImDrawList* draw_list = ImGui::GetWindowDrawList();
-      draw_list->AddLine(ImVec2(ImGui::GetCursorScreenPos().x - 5.0f,
+    if (!props->is_control_bar_in_left_) {
-                                ImGui::GetCursorScreenPos().y - 7.0f),
+      draw_list->AddLine(
-                         ImVec2(ImGui::GetCursorScreenPos().x - 5.0f,
+          ImVec2(ImGui::GetCursorScreenPos().x - button_height * 0.56f,
-                                ImGui::GetCursorScreenPos().y - 7.0f +
+                 ImGui::GetCursorScreenPos().y + button_height * 0.2f),
-                                    props->control_window_height_),
+          ImVec2(ImGui::GetCursorScreenPos().x - button_height * 0.56f,
-                         IM_COL32(178, 178, 178, 255), 1.0f);
+                 ImGui::GetCursorScreenPos().y + button_height * 0.8f),
+          IM_COL32(178, 178, 178, 255), 2.0f);
     }
 
     std::string display = ICON_FA_DISPLAY;
-    if (ImGui::Button(display.c_str(), ImVec2(25, 25))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(display.c_str(), ImVec2(button_width, button_height))) {
       ImGui::OpenPopup("display");
     }
 
@@ -75,28 +79,29 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
         }
         props->display_selectable_hovered_ = ImGui::IsWindowHovered();
       }
-      ImGui::SetWindowFontScale(1.0f);
       ImGui::EndPopup();
     }
 
-    ImGui::SetWindowFontScale(0.6f);
+    ImGui::SetWindowFontScale(0.5f);
     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);
+               btn_min.y + (btn_size_actual.y - text_size.y) * 0.35f);
     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 mouse_x = ImGui::GetCursorScreenPos().x;
-    float disable_mouse_y = ImGui::GetCursorScreenPos().y + 4.0f;
+    float mouse_y = ImGui::GetCursorScreenPos().y;
+    float disable_mouse_x = mouse_x + line_padding;
+    float disable_mouse_y = mouse_y + line_padding;
     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))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(mouse.c_str(), ImVec2(button_width, button_height))) {
       if (props->connection_established_) {
         start_keyboard_capturer_ = !start_keyboard_capturer_;
         props->control_mouse_ = !props->control_mouse_;
@@ -108,30 +113,35 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
                 : localization::control_mouse[localization_language_index_];
       }
     }
+
     if (!props->mouse_control_button_pressed_) {
+      draw_list->AddLine(ImVec2(disable_mouse_x, disable_mouse_y),
+                         ImVec2(mouse_x + button_width - line_padding,
+                                mouse_y + button_height - line_padding),
+                         IM_COL32(0, 0, 0, 255), line_thickness);
       draw_list->AddLine(
-          ImVec2(disable_mouse_x, disable_mouse_y),
+          ImVec2(disable_mouse_x - line_thickness * 0.7f,
-          ImVec2(disable_mouse_x + 16.0f, disable_mouse_y + 14.2f),
+                 disable_mouse_y + line_thickness * 0.7f),
-          IM_COL32(0, 0, 0, 255), 2.0f);
+          ImVec2(
-      draw_list->AddLine(
+              mouse_x + button_width - line_padding - line_thickness * 0.7f,
-          ImVec2(disable_mouse_x - 1.2f, disable_mouse_y + 1.2f),
+              mouse_y + button_height - line_padding + line_thickness * 0.7f),
-          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);
+          line_thickness);
     }
 
     ImGui::SameLine();
     // audio capture button
-    float disable_audio_x = ImGui::GetCursorScreenPos().x + 4;
+    float audio_x = ImGui::GetCursorScreenPos().x;
-    float disable_audio_y = ImGui::GetCursorScreenPos().y + 4.0f;
+    float audio_y = ImGui::GetCursorScreenPos().y;
-    // std::string audio = audio_capture_button_pressed_ ? ICON_FA_VOLUME_HIGH
+    float disable_audio_x = audio_x + line_padding;
-    //                                                   :
+    float disable_audio_y = audio_y + line_padding;
-    //                                                   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))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(audio.c_str(), ImVec2(button_width, button_height))) {
       if (props->connection_established_) {
         props->audio_capture_button_pressed_ =
             !props->audio_capture_button_pressed_;
@@ -148,17 +158,21 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
                       props->data_label_.c_str());
       }
     }
+
     if (!props->audio_capture_button_pressed_) {
+      draw_list->AddLine(ImVec2(disable_audio_x, disable_audio_y),
+                         ImVec2(audio_x + button_width - line_padding,
+                                audio_y + button_height - line_padding),
+                         IM_COL32(0, 0, 0, 255), line_thickness);
       draw_list->AddLine(
-          ImVec2(disable_audio_x, disable_audio_y),
+          ImVec2(disable_audio_x - line_thickness * 0.7f,
-          ImVec2(disable_audio_x + 16.0f, disable_audio_y + 14.2f),
+                 disable_audio_y + line_thickness * 0.7f),
-          IM_COL32(0, 0, 0, 255), 2.0f);
+          ImVec2(
-      draw_list->AddLine(
+              audio_x + button_width - line_padding - line_thickness * 0.7f,
-          ImVec2(disable_audio_x - 1.2f, disable_audio_y + 1.2f),
+              audio_y + button_height - line_padding + line_thickness * 0.7f),
-          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);
+          line_thickness);
     }
 
     ImGui::SameLine();
@@ -170,7 +184,9 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
       button_color_style_pushed = true;
     }
     std::string net_traffic_stats = ICON_FA_SIGNAL;
-    if (ImGui::Button(net_traffic_stats.c_str(), ImVec2(25, 25))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(net_traffic_stats.c_str(),
+                      ImVec2(button_width, button_height))) {
       props->net_traffic_stats_button_pressed_ =
           !props->net_traffic_stats_button_pressed_;
       props->control_window_height_is_changing_ = true;
@@ -182,6 +198,7 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
               : localization::show_net_traffic_stats
                     [localization_language_index_];
     }
+
     if (button_color_style_pushed) {
       ImGui::PopStyleColor();
       button_color_style_pushed = false;
@@ -191,7 +208,9 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
     // fullscreen button
     std::string fullscreen =
         fullscreen_button_pressed_ ? ICON_FA_COMPRESS : ICON_FA_EXPAND;
-    if (ImGui::Button(fullscreen.c_str(), ImVec2(25, 25))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(fullscreen.c_str(),
+                      ImVec2(button_width, button_height))) {
       fullscreen_button_pressed_ = !fullscreen_button_pressed_;
       props->fullscreen_button_label_ =
           fullscreen_button_pressed_
@@ -209,25 +228,35 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
     ImGui::SameLine();
     // close button
     std::string close_button = ICON_FA_XMARK;
-    if (ImGui::Button(close_button.c_str(), ImVec2(25, 25))) {
+    ImGui::SetWindowFontScale(0.5f);
+    if (ImGui::Button(close_button.c_str(),
+                      ImVec2(button_width, button_height))) {
       CleanupPeer(props);
     }
 
     ImGui::SameLine();
 
-    if (!props->is_control_bar_in_left_) {
+    if (props->is_control_bar_in_left_) {
-      draw_list->AddLine(ImVec2(ImGui::GetCursorScreenPos().x - 3.0f,
+      draw_list->AddLine(
-                                ImGui::GetCursorScreenPos().y - 7.0f),
+          ImVec2(ImGui::GetCursorScreenPos().x + button_height * 0.2f,
-                         ImVec2(ImGui::GetCursorScreenPos().x - 3.0f,
+                 ImGui::GetCursorScreenPos().y + button_height * 0.2f),
-                                ImGui::GetCursorScreenPos().y - 7.0f +
+          ImVec2(ImGui::GetCursorScreenPos().x + button_height * 0.2f,
-                                    props->control_window_height_),
+                 ImGui::GetCursorScreenPos().y + button_height * 0.8f),
-                         IM_COL32(178, 178, 178, 255), 1.0f);
+          IM_COL32(178, 178, 178, 255), 2.0f);
     }
+
+    ImGui::SameLine();
   }
 
-  ImGui::SetCursorPosX(props->is_control_bar_in_left_
+  float expand_button_pos_x =
-                           ? (props->control_window_width_ * 2 - 20.0f)
+      props->control_bar_expand_ ? (props->is_control_bar_in_left_
-                           : 5.0f);
+                                        ? props->control_window_width_ * 1.91f
+                                        : props->control_window_width_ * 0.03f)
+                                 : (props->is_control_bar_in_left_
+                                        ? props->control_window_width_ * 1.02f
+                                        : props->control_window_width_ * 0.23f);
+
+  ImGui::SetCursorPosX(expand_button_pos_x);
 
   std::string control_bar =
       props->control_bar_expand_
@@ -235,13 +264,14 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
                                             : 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))) {
+  if (ImGui::Button(control_bar.c_str(),
+                    ImVec2(button_height * 0.6f, button_height))) {
     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->control_window_height_ = props->control_window_min_height_;
       props->net_traffic_stats_button_pressed_ = false;
     }
   }
@@ -257,13 +287,13 @@ int Render::ControlBar(std::shared_ptr<SubStreamWindowProperties>& props) {
 
 int Render::NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props) {
   ImGui::SetCursorPos(ImVec2(props->is_control_bar_in_left_
-                                 ? (props->control_window_width_ + 5.0f)
+                                 ? props->control_window_width_ * 1.02f
-                                 : 5.0f,
+                                 : props->control_window_width_ * 0.02f,
-                             40.0f));
+                             props->control_window_min_height_));
-
+  ImGui::SetWindowFontScale(0.5f);
   if (ImGui::BeginTable("NetTrafficStats", 4, ImGuiTableFlags_BordersH,
-                        ImVec2(props->control_window_max_width_ - 10.0f,
+                        ImVec2(props->control_window_max_width_ * 0.9f,
-                               props->control_window_max_height_ - 60.0f))) {
+                               props->control_window_max_height_ - 0.9f))) {
     ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthFixed);
     ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch);
     ImGui::TableSetupColumn("", ImGuiTableColumnFlags_WidthStretch);
@@ -322,9 +352,12 @@ int Render::NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props) {
     ImGui::Text("FPS");
     ImGui::TableNextColumn();
     ImGui::Text("%d", props->fps_);
+    ImGui::TableNextColumn();
+    ImGui::TableNextColumn();
 
     ImGui::EndTable();
   }
+  ImGui::SetWindowFontScale(1.0f);
 
   return 0;
 }

src/gui/toolbars/status_bar.cpp

@@ -1,32 +1,38 @@
+#include "layout_relative.h"
 #include "localization.h"
 #include "render.h"
 
 namespace crossdesk {
 
 int Render::StatusBar() {
+  ImGuiIO& io = ImGui::GetIO();
+  float status_bar_width = io.DisplaySize.x;
+  float status_bar_height = io.DisplaySize.y * STATUS_BAR_HEIGHT;
+
   ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
   static bool a, b, c, d, e;
-  ImGui::SetNextWindowPos(
+  ImGui::SetNextWindowPos(ImVec2(0, io.DisplaySize.y * (1 - STATUS_BAR_HEIGHT)),
-      ImVec2(0, main_window_height_default_ - status_bar_height_ - 1),
+                          ImGuiCond_Always);
-      ImGuiCond_Always);
 
   ImGui::BeginChild(
-      "StatusBar", ImVec2(main_window_width_, status_bar_height_ + 1),
+      "StatusBar", ImVec2(status_bar_width, status_bar_height),
       ImGuiChildFlags_Border,
       ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBringToFrontOnFocus);
 
-  ImVec2 dot_pos =
+  ImVec2 dot_pos = ImVec2(status_bar_width * 0.025f,
-      ImVec2(13, main_window_height_default_ - status_bar_height_ + 11.0f);
+                          io.DisplaySize.y * (1 - STATUS_BAR_HEIGHT * 0.5f));
   ImDrawList* draw_list = ImGui::GetWindowDrawList();
-  draw_list->AddCircleFilled(dot_pos, 5.0f,
+  draw_list->AddCircleFilled(dot_pos, status_bar_height * 0.2f,
                              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);
+  draw_list->AddCircle(dot_pos, status_bar_height * 0.25f,
+                       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),
+      ImVec2(status_bar_width * 0.045f,
+             io.DisplaySize.y * (1 - STATUS_BAR_HEIGHT * 0.9f)),
       ImColor(0.0f, 0.0f, 0.0f),
       signal_connected_
           ? localization::signal_connected[localization_language_index_].c_str()

src/gui/toolbars/title_bar.cpp

@@ -1,110 +1,97 @@
+#include "layout_relative.h"
 #include "localization.h"
 #include "rd_log.h"
 #include "render.h"
 
-#define BUTTON_PADDING 36.0f
 #define NEW_VERSION_ICON_RENDER_TIME_INTERVAL 2000
 
 namespace crossdesk {
 
 int Render::TitleBar(bool main_window) {
-  ImGui::PushStyleColor(ImGuiCol_MenuBarBg, ImVec4(1.0f, 1.0f, 1.0f, 0.0f));
+  ImGuiIO& io = ImGui::GetIO();
+  float title_bar_width = title_bar_width_;
+  float title_bar_height = title_bar_height_;
+  float title_bar_height_padding = title_bar_height_;
+  float title_bar_button_width = title_bar_button_width_;
+  float title_bar_button_height = title_bar_button_height_;
+  if (main_window) {
+    title_bar_width = io.DisplaySize.x;
+    title_bar_height = io.DisplaySize.y * TITLE_BAR_HEIGHT;
+    title_bar_height_padding = io.DisplaySize.y * (TITLE_BAR_HEIGHT + 0.01f);
+    title_bar_button_width = io.DisplaySize.x * TITLE_BAR_BUTTON_WIDTH;
+    title_bar_button_height = io.DisplaySize.y * TITLE_BAR_BUTTON_HEIGHT;
+    title_bar_height_ = title_bar_height;
+    title_bar_button_width_ = title_bar_button_width;
+    title_bar_button_height_ = title_bar_button_height;
+  } else {
+    title_bar_width = io.DisplaySize.x;
+    title_bar_height = title_bar_button_height_;
+    title_bar_button_width = title_bar_button_width_;
+    title_bar_button_height = title_bar_button_height_;
+  }
+
   ImGui::PushStyleColor(ImGuiCol_ChildBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
+  ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0, 0));
   ImGui::SetNextWindowPos(ImVec2(0, 0), ImGuiCond_Always);
-  ImGui::SetWindowFontScale(0.8f);
+  ImGui::BeginChild(main_window ? "MainTitleBar" : "StreamTitleBar",
-  ImGui::BeginChild(
+                    ImVec2(title_bar_width, title_bar_height_padding),
-      main_window ? "MainTitleBar" : "StreamTitleBar",
+                    ImGuiChildFlags_Border,
-      ImVec2(main_window ? main_window_width_ : stream_window_width_,
+                    ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-             title_bar_height_),
+                        ImGuiWindowFlags_NoBringToFrontOnFocus);
-      ImGuiChildFlags_Border,
+  ImGui::PopStyleVar();
-      ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDecoration |
-          ImGuiWindowFlags_NoBringToFrontOnFocus);
-  ImGui::SetWindowFontScale(1.0f);
   ImGui::PopStyleColor();
 
+  // get draw list
   ImDrawList* draw_list = ImGui::GetWindowDrawList();
-  if (ImGui::BeginMenuBar()) {
+
-    ImGui::SetCursorPosX(
+  ImGui::SetCursorPos(
-        (main_window ? main_window_width_ : stream_window_width_) -
+      ImVec2(title_bar_width - title_bar_button_width * 3, 0.0f));
-        (BUTTON_PADDING * 3 - 3));
+  if (main_window) {
-    ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(0, 0, 0, 0.1f));
+    float bar_pos_x = title_bar_width - title_bar_button_width * 3 +
-    ImGui::PushStyleColor(ImGuiCol_HeaderActive,
+                      title_bar_button_width * 0.33f;
+    float bar_pos_y = title_bar_button_height * 0.5f;
+
+    // draw menu icon
+    float menu_bar_line_size = title_bar_button_width * 0.33f;
+    draw_list->AddLine(
+        ImVec2(bar_pos_x, bar_pos_y - title_bar_button_height * 0.15f),
+        ImVec2(bar_pos_x + menu_bar_line_size,
+               bar_pos_y - title_bar_button_height * 0.15f),
+        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 + title_bar_button_height * 0.15f),
+        ImVec2(bar_pos_x + menu_bar_line_size,
+               bar_pos_y + title_bar_button_height * 0.15f),
+        IM_COL32(0, 0, 0, 255));
+
+    std::string title_bar_menu_button = "##title_bar_menu";  // ICON_FA_BARS;
+    std::string title_bar_menu = "##title_bar_menu";
+
+    ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0, 0, 0, 0.1f));
+    ImGui::PushStyleColor(ImGuiCol_ButtonActive,
                           ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
-    if (main_window) {
+    if (ImGui::Button(
-      float bar_pos_x = ImGui::GetCursorPosX() + 6;
+            title_bar_menu_button.c_str(),
-      float bar_pos_y = ImGui::GetCursorPosY() + 15;
+            ImVec2(title_bar_button_width, title_bar_button_height))) {
-      std::string menu_button = "    ";  // ICON_FA_BARS;
+      ImGui::OpenPopup(title_bar_menu.c_str());
-      if (ImGui::BeginMenu(menu_button.c_str())) {
+    }
-        ImGui::SetWindowFontScale(0.5f);
+    ImGui::PopStyleColor(3);
-        if (ImGui::MenuItem(
-                localization::settings[localization_language_index_].c_str())) {
-          show_settings_window_ = true;
-        }
 
-        show_new_version_icon_in_menu_ = false;
+    if (ImGui::BeginPopup(title_bar_menu.c_str())) {
-
+      ImGui::SetWindowFontScale(0.6f);
-        std::string about_str =
+      if (ImGui::MenuItem(
-            localization::about[localization_language_index_];
+              localization::settings[localization_language_index_].c_str())) {
-        if (update_available_) {
+        show_settings_window_ = true;
-          auto now_time =
-              std::chrono::duration_cast<std::chrono::milliseconds>(
-                  std::chrono::steady_clock::now().time_since_epoch())
-                  .count();
-
-          // every 2 seconds
-          if (now_time - new_version_icon_last_trigger_time_ >=
-              NEW_VERSION_ICON_RENDER_TIME_INTERVAL) {
-            show_new_version_icon_ = true;
-            new_version_icon_render_start_time_ = now_time;
-            new_version_icon_last_trigger_time_ = now_time;
-          }
-
-          // render for 1 second
-          if (show_new_version_icon_) {
-            about_str = about_str + " " + ICON_FA_TRIANGLE_EXCLAMATION;
-            if (now_time - new_version_icon_render_start_time_ >=
-                NEW_VERSION_ICON_RENDER_TIME_INTERVAL / 2) {
-              show_new_version_icon_ = false;
-            }
-          } else {
-            about_str = about_str + "      ";
-          }
-        }
-
-        if (ImGui::MenuItem(about_str.c_str())) {
-          show_about_window_ = true;
-        }
-
-        if (update_available_ && ImGui::IsItemHovered()) {
-          ImGui::BeginTooltip();
-          ImGui::SetWindowFontScale(0.5f);
-          std::string new_version_available_str =
-              localization::new_version_available
-                  [localization_language_index_] +
-              ": " + latest_version_;
-          ImGui::Text("%s", new_version_available_str.c_str());
-          ImGui::SetWindowFontScale(1.0f);
-          ImGui::EndTooltip();
-        }
-
-        ImGui::SetWindowFontScale(1.0f);
-        ImGui::EndMenu();
-      } else {
-        show_new_version_icon_in_menu_ = true;
       }
 
-      float menu_bar_line_size = 15.0f;
+      show_new_version_icon_in_menu_ = false;
-      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));
 
-      if (update_available_ && show_new_version_icon_in_menu_) {
+      std::string about_str = localization::about[localization_language_index_];
+      if (update_available_) {
         auto now_time = std::chrono::duration_cast<std::chrono::milliseconds>(
                             std::chrono::steady_clock::now().time_since_epoch())
                             .count();
@@ -119,133 +106,198 @@ int Render::TitleBar(bool main_window) {
 
         // render for 1 second
         if (show_new_version_icon_) {
-          ImGui::SetWindowFontScale(0.6f);
+          about_str = about_str + " " + ICON_FA_TRIANGLE_EXCLAMATION;
-          ImGui::SetCursorPos(ImVec2(bar_pos_x + 10, bar_pos_y - 17));
-          ImGui::Text(ICON_FA_TRIANGLE_EXCLAMATION);
-          ImGui::SetWindowFontScale(1.0f);
-
           if (now_time - new_version_icon_render_start_time_ >=
               NEW_VERSION_ICON_RENDER_TIME_INTERVAL / 2) {
             show_new_version_icon_ = false;
           }
+        } else {
+          about_str = about_str + "      ";
         }
       }
 
-      {
+      if (ImGui::MenuItem(about_str.c_str())) {
-        SettingWindow();
+        show_about_window_ = true;
-        SelfHostedServerWindow();
+      }
-        AboutWindow();
+
+      if (update_available_ && ImGui::IsItemHovered()) {
+        ImGui::BeginTooltip();
+        ImGui::SetWindowFontScale(0.5f);
+        std::string new_version_available_str =
+            localization::new_version_available[localization_language_index_] +
+            ": " + latest_version_;
+        ImGui::Text("%s", new_version_available_str.c_str());
+        ImGui::SetWindowFontScale(1.0f);
+        ImGui::EndTooltip();
+      }
+
+      ImGui::EndPopup();
+    } else {
+      show_new_version_icon_in_menu_ = true;
+    }
+
+    if (update_available_ && show_new_version_icon_in_menu_) {
+      auto now_time = std::chrono::duration_cast<std::chrono::milliseconds>(
+                          std::chrono::steady_clock::now().time_since_epoch())
+                          .count();
+
+      // every 2 seconds
+      if (now_time - new_version_icon_last_trigger_time_ >=
+          NEW_VERSION_ICON_RENDER_TIME_INTERVAL) {
+        show_new_version_icon_ = true;
+        new_version_icon_render_start_time_ = now_time;
+        new_version_icon_last_trigger_time_ = now_time;
+      }
+
+      // render for 1 second
+      if (show_new_version_icon_) {
+        ImGui::SetWindowFontScale(0.6f);
+        ImGui::SetCursorPos(
+            ImVec2(bar_pos_x + title_bar_button_width * 0.15f,
+                   bar_pos_y - title_bar_button_width * 0.325f));
+        ImGui::Text(ICON_FA_TRIANGLE_EXCLAMATION);
+        ImGui::SetWindowFontScale(1.0f);
+
+        if (now_time - new_version_icon_render_start_time_ >=
+            NEW_VERSION_ICON_RENDER_TIME_INTERVAL / 2) {
+          show_new_version_icon_ = false;
+        }
       }
     }
 
-    ImGui::PopStyleColor(2);
+    {
+      SettingWindow();
+      SelfHostedServerWindow();
+      AboutWindow();
+    }
+  } else {
+    ImGui::SetWindowFontScale(1.2f);
+  }
 
+  ImGui::SetCursorPos(ImVec2(
+      title_bar_width - title_bar_button_width * (main_window ? 2 : 3), 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+  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 = title_bar_width -
+                         title_bar_button_width * (main_window ? 2 : 3) +
+                         title_bar_button_width * 0.33f;
+  float minimize_pos_y = title_bar_button_height * 0.5f;
+  std::string window_minimize_button = "##minimize";  // ICON_FA_MINUS;
+  if (ImGui::Button(window_minimize_button.c_str(),
+                    ImVec2(title_bar_button_width, title_bar_button_height))) {
+    SDL_MinimizeWindow(main_window ? main_window_ : stream_window_);
+  }
+  draw_list->AddLine(
+      ImVec2(minimize_pos_x, minimize_pos_y),
+      ImVec2(minimize_pos_x + title_bar_button_width * 0.33f, minimize_pos_y),
+      IM_COL32(0, 0, 0, 255));
+  ImGui::PopStyleColor(3);
+
+  if (!main_window) {
+    ImGui::SetCursorPos(
+        ImVec2(title_bar_width - title_bar_button_width * 2, 0.0f));
     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;
+    if (window_maximized_) {
-    float minimize_pos_y = ImGui::GetCursorPosY() + 15;
+      float pos_x_top = title_bar_width - title_bar_button_width * 1.65f;
-    std::string window_minimize_button = "##minimize";  // ICON_FA_MINUS;
+      float pos_y_top = title_bar_button_height * 0.36f;
-    if (ImGui::Button(window_minimize_button.c_str(),
+      float pos_x_bottom = title_bar_width - title_bar_button_width * 1.6f;
-                      ImVec2(BUTTON_PADDING, 30))) {
+      float pos_y_bottom = title_bar_button_height * 0.28f;
-      SDL_MinimizeWindow(main_window ? main_window_ : stream_window_);
+      std::string window_restore_button =
-    }
+          "##restore";  // ICON_FA_WINDOW_RESTORE;
-    draw_list->AddLine(ImVec2(minimize_pos_x, minimize_pos_y),
+      if (ImGui::Button(
-                       ImVec2(minimize_pos_x + 12, minimize_pos_y),
+              window_restore_button.c_str(),
-                       IM_COL32(0, 0, 0, 255));
+              ImVec2(title_bar_button_width, title_bar_button_height))) {
-    ImGui::PopStyleColor(2);
+        SDL_RestoreWindow(stream_window_);
-
+        window_maximized_ = false;
-    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);
+      draw_list->AddRect(ImVec2(pos_x_top, pos_y_top),
-    }
+                         ImVec2(pos_x_top + title_bar_button_height * 0.33f,
-
+                                pos_y_top + title_bar_button_height * 0.33f),
-    ImGui::SetCursorPosX(
+                         IM_COL32(0, 0, 0, 255));
-        (main_window ? main_window_width_ : stream_window_width_) -
+      draw_list->AddRect(ImVec2(pos_x_bottom, pos_y_bottom),
-        BUTTON_PADDING);
+                         ImVec2(pos_x_bottom + title_bar_button_height * 0.33f,
-    ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(1.0f, 0, 0, 1.0f));
+                                pos_y_bottom + title_bar_button_height * 0.33f),
-    ImGui::PushStyleColor(ImGuiCol_ButtonActive, ImVec4(1.0f, 0, 0, 0.5f));
+                         IM_COL32(0, 0, 0, 255));
-
+      if (ImGui::IsItemHovered()) {
-    float xmark_pos_x = ImGui::GetCursorPosX() + 18;
+        draw_list->AddRectFilled(
-    float xmark_pos_y = ImGui::GetCursorPosY() + 16;
+            ImVec2(pos_x_top + title_bar_button_height * 0.02f,
-    float xmark_size = 12.0f;
+                   pos_y_top + title_bar_button_height * 0.01f),
-    std::string close_button = "##xmark";  // ICON_FA_XMARK;
+            ImVec2(pos_x_top + title_bar_button_height * 0.32f,
-    if (ImGui::Button(close_button.c_str(), ImVec2(BUTTON_PADDING, 30))) {
+                   pos_y_top + title_bar_button_height * 0.31f),
-#if _WIN32
+            IM_COL32(229, 229, 229, 255));
-      if (enable_minimize_to_tray_) {
-        tray_->MinimizeToTray();
       } else {
-#endif
+        draw_list->AddRectFilled(
-        SDL_Event event;
+            ImVec2(pos_x_top + title_bar_button_height * 0.02f,
-        event.type = SDL_EVENT_QUIT;
+                   pos_y_top + title_bar_button_height * 0.01f),
-        SDL_PushEvent(&event);
+            ImVec2(pos_x_top + title_bar_button_height * 0.32f,
-#if _WIN32
+                   pos_y_top + title_bar_button_height * 0.31f),
+            IM_COL32(255, 255, 255, 255));
       }
-#endif
+    } else {
+      float maximize_pos_x = title_bar_width - title_bar_button_width * 1.5f -
+                             title_bar_button_height * 0.165f;
+      float maximize_pos_y = title_bar_button_height * 0.33f;
+      std::string window_maximize_button =
+          "##maximize";  // ICON_FA_SQUARE_FULL;
+      if (ImGui::Button(
+              window_maximize_button.c_str(),
+              ImVec2(title_bar_button_width, title_bar_button_height))) {
+        SDL_MaximizeWindow(stream_window_);
+        window_maximized_ = !window_maximized_;
+      }
+      draw_list->AddRect(
+          ImVec2(maximize_pos_x, maximize_pos_y),
+          ImVec2(maximize_pos_x + title_bar_button_height * 0.33f,
+                 maximize_pos_y + title_bar_button_height * 0.33f),
+          IM_COL32(0, 0, 0, 255));
     }
-    draw_list->AddLine(ImVec2(xmark_pos_x - xmark_size / 2 - 0.25f,
+    ImGui::PopStyleColor(3);
-                              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();
+  float xmark_button_pos_x = title_bar_width - title_bar_button_width;
+  ImGui::SetCursorPos(ImVec2(xmark_button_pos_x, 0.0f));
+  ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0, 0, 0, 0));
+  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 = xmark_button_pos_x + title_bar_button_width * 0.5f;
+  float xmark_pos_y = title_bar_button_height * 0.5f;
+  float xmark_size = title_bar_button_width * 0.33f;
+  std::string close_button = "##xmark";  // ICON_FA_XMARK;
+  if (ImGui::Button(close_button.c_str(),
+                    ImVec2(title_bar_button_width, title_bar_button_height))) {
+#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(3);
+
   ImGui::EndChild();
-  ImGui::PopStyleColor();
   return 0;
 }
 }  // namespace crossdesk

src/gui/windows/about_window.cpp

@@ -37,17 +37,18 @@ void Render::Hyperlink(const std::string& label, const std::string& url,
 
 int Render::AboutWindow() {
   if (show_about_window_) {
-    const ImGuiViewport* viewport = ImGui::GetMainViewport();
+    float about_window_width = title_bar_button_width_ * 7.5f;
-
     float about_window_height = latest_version_.empty()
-                                    ? about_window_height_
+                                    ? title_bar_button_width_ * 4.0f
-                                    : about_window_height_ + 20.0f;
+                                    : title_bar_button_width_ * 4.6f;
+
+    const ImGuiViewport* viewport = ImGui::GetMainViewport();
     ImGui::SetNextWindowPos(ImVec2(
-        (viewport->WorkSize.x - viewport->WorkPos.x - about_window_width_) / 2,
+        (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::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);
@@ -70,7 +71,7 @@ int Render::AboutWindow() {
 
     std::string text = localization::version[localization_language_index_] +
                        ": CrossDesk " + version;
-    ImGui::SetCursorPosX(about_window_width_ * 0.1f);
+    ImGui::SetCursorPosX(about_window_width * 0.1f);
     ImGui::Text("%s", text.c_str());
 
     if (update_available_) {
@@ -79,19 +80,19 @@ int Render::AboutWindow() {
           ": " + latest_version_;
       std::string access_website =
           localization::access_website[localization_language_index_];
-      Hyperlink(latest_version, "https://crossdesk.cn", about_window_width_);
+      Hyperlink(latest_version, "https://crossdesk.cn", about_window_width);
     }
 
     ImGui::Text("");
 
     std::string copyright_text = "© 2025 by JUNKUN DI. All rights reserved.";
     std::string license_text = "Licensed under GNU LGPL v3.";
-    ImGui::SetCursorPosX(about_window_width_ * 0.1f);
+    ImGui::SetCursorPosX(about_window_width * 0.1f);
     ImGui::Text("%s", copyright_text.c_str());
-    ImGui::SetCursorPosX(about_window_width_ * 0.1f);
+    ImGui::SetCursorPosX(about_window_width * 0.1f);
     ImGui::Text("%s", license_text.c_str());
 
-    ImGui::SetCursorPosX(about_window_width_ * 0.42f);
+    ImGui::SetCursorPosX(about_window_width * 0.445f);
     ImGui::SetCursorPosY(about_window_height * 0.75f);
     // OK
     if (ImGui::Button(localization::ok[localization_language_index_].c_str())) {

src/gui/windows/connection_status_window.cpp

@@ -7,42 +7,39 @@ namespace crossdesk {
 
 bool Render::ConnectionStatusWindow(
     std::shared_ptr<SubStreamWindowProperties>& props) {
-  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  ImGuiIO& io = ImGui::GetIO();
   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_,
+  ImGui::SetNextWindowPos(
-                                  connection_status_window_height_));
+      ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
+  ImGui::SetNextWindowSize(
+      ImVec2(io.DisplaySize.x * 0.33f, io.DisplaySize.y * 0.33f));
 
   ImGui::PushStyleVar(ImGuiStyleVar_FrameRounding, 3.0f);
-
+  ImGui::PushStyleColor(ImGuiCol_WindowBg, ImVec4(1.0f, 1.0f, 1.0f, 1.0f));
-  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_NoDecoration | ImGuiWindowFlags_NoMove |
-                   ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
                    ImGuiWindowFlags_NoSavedSettings);
   ImGui::PopStyleVar(2);
   ImGui::PopStyleColor();
 
+  auto connection_status_window_width = ImGui::GetWindowSize().x;
+  auto connection_status_window_height = ImGui::GetWindowSize().y;
+
   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::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
   } else if (ConnectionStatus::Connected == props->connection_status_) {
     text = localization::p2p_connected[localization_language_index_];
-    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     // ok
     if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
         ImGui::IsKeyPressed(ImGuiKey_Enter) ||
@@ -51,8 +48,8 @@ bool Render::ConnectionStatusWindow(
     }
   } else if (ConnectionStatus::Disconnected == props->connection_status_) {
     text = localization::p2p_disconnected[localization_language_index_];
-    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     // ok
     if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
         ImGui::IsKeyPressed(ImGuiKey_Enter) ||
@@ -61,8 +58,8 @@ bool Render::ConnectionStatusWindow(
     }
   } else if (ConnectionStatus::Failed == props->connection_status_) {
     text = localization::p2p_failed[localization_language_index_];
-    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     // ok
     if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
         ImGui::IsKeyPressed(ImGuiKey_Enter) ||
@@ -71,8 +68,8 @@ bool Render::ConnectionStatusWindow(
     }
   } else if (ConnectionStatus::Closed == props->connection_status_) {
     text = localization::p2p_closed[localization_language_index_];
-    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     // ok
     if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
         ImGui::IsKeyPressed(ImGuiKey_Enter) ||
@@ -87,11 +84,9 @@ bool Render::ConnectionStatusWindow(
         text = localization::reinput_password[localization_language_index_];
       }
 
-      auto window_width = ImGui::GetWindowSize().x;
+      ImGui::SetCursorPosX(connection_status_window_width * 0.336f);
-      auto window_height = ImGui::GetWindowSize().y;
+      ImGui::SetCursorPosY(connection_status_window_height * 0.4f);
-      ImGui::SetCursorPosX((window_width - IPUT_WINDOW_WIDTH / 2) * 0.5f);
+      ImGui::SetNextItemWidth(connection_status_window_width * 0.33f);
-      ImGui::SetCursorPosY(window_height * 0.4f);
-      ImGui::SetNextItemWidth(IPUT_WINDOW_WIDTH / 2);
 
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
 
@@ -109,15 +104,16 @@ bool Render::ConnectionStatusWindow(
       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::SetCursorPosX((connection_status_window_width - text_size.x) *
+                           0.45f);
       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::SetCursorPosX(connection_status_window_width * 0.325f);
-      ImGui::SetCursorPosY(window_height * 0.75f);
+      ImGui::SetCursorPosY(connection_status_window_height * 0.75f);
       // ok
       if (ImGui::Button(
               localization::ok[localization_language_index_].c_str()) ||
@@ -140,14 +136,14 @@ bool Render::ConnectionStatusWindow(
       }
     } else if (password_validating_) {
       text = localization::validate_password[localization_language_index_];
-      ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+      ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-      ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+      ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     }
   } else if (ConnectionStatus::NoSuchTransmissionId ==
              props->connection_status_) {
     text = localization::no_such_id[localization_language_index_];
-    ImGui::SetCursorPosX(connection_status_window_width_ * 3 / 7);
+    ImGui::SetCursorPosX(connection_status_window_width * 0.43f);
-    ImGui::SetCursorPosY(connection_status_window_height_ * 2 / 3);
+    ImGui::SetCursorPosY(connection_status_window_height * 0.67f);
     // ok
     if (ImGui::Button(localization::ok[localization_language_index_].c_str()) ||
         ImGui::IsKeyPressed(ImGuiKey_Enter)) {
@@ -158,11 +154,9 @@ bool Render::ConnectionStatusWindow(
     }
   }
 
-  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::SetCursorPosX((connection_status_window_width - text_width) * 0.5f);
-  ImGui::SetCursorPosY(window_height * 0.2f);
+  ImGui::SetCursorPosY(connection_status_window_height * 0.2f);
   ImGui::Text("%s", text.c_str());
   ImGui::SetWindowFontScale(1.0f);
 

src/gui/windows/control_window.cpp

@@ -53,11 +53,11 @@ int Render::ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props) {
       ImVec2(props->control_window_width_, props->control_window_height_),
       ImGuiCond_Always);
 
-  ImGui::SetNextWindowPos(ImVec2(0, title_bar_height_ + 1), ImGuiCond_Once);
+  ImGui::SetNextWindowPos(ImVec2(0, title_bar_height_), ImGuiCond_Once);
 
   float pos_x = 0;
   float pos_y = 0;
-  float y_boundary = fullscreen_button_pressed_ ? 0 : (title_bar_height_ + 1);
+  float y_boundary = fullscreen_button_pressed_ ? 0 : title_bar_height_;
 
   if (props->reset_control_bar_pos_) {
     float new_cursor_pos_x = 0;
@@ -94,7 +94,7 @@ int Render::ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props) {
   } 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_.x <= stream_window_width_ * 0.5f) {
       if (props->control_window_pos_.y + props->control_window_height_ >
           stream_window_height_) {
         pos_y = stream_window_height_ - props->control_window_height_;
@@ -118,18 +118,16 @@ int Render::ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props) {
         }
       }
       props->is_control_bar_in_left_ = true;
-    } else if (props->control_window_pos_.x > stream_window_width_ / 2) {
+    } else if (props->control_window_pos_.x > stream_window_width_ * 0.5f) {
       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_
+              : (props->control_window_pos_.y <
-                                                     ? 0
+                         (fullscreen_button_pressed_ ? 0 : title_bar_height_)
-                                                     : (title_bar_height_ + 1))
+                     ? (fullscreen_button_pressed_ ? 0 : title_bar_height_)
-                     ? (fullscreen_button_pressed_ ? 0
-                                                   : (title_bar_height_ + 1))
                      : (stream_window_height_ - props->control_window_height_));
 
       if (props->control_bar_expand_) {
@@ -202,15 +200,13 @@ int Render::ControlWindow(std::shared_ptr<SubStreamWindowProperties>& props) {
                  : 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(
+  ImGui::BeginChild(control_child_window_title.c_str(),
-      control_child_window_title.c_str(),
+                    ImVec2(props->control_window_width_ * 2.0f,
-      ImVec2(props->control_window_width_ * 2, props->control_window_height_),
+                           props->control_window_height_),
-      ImGuiChildFlags_Border, ImGuiWindowFlags_NoDecoration);
+                    ImGuiChildFlags_Border, ImGuiWindowFlags_NoDecoration);
-  ImGui::SetWindowFontScale(1.0f);
   ImGui::PopStyleColor();
 
   ControlBar(props);

src/gui/windows/main_settings_window.cpp

@@ -6,31 +6,38 @@
 namespace crossdesk {
 
 int Render::SettingWindow() {
+  ImGuiIO& io = ImGui::GetIO();
   if (show_settings_window_) {
     if (settings_window_pos_reset_) {
       const ImGuiViewport* viewport = ImGui::GetMainViewport();
       if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+#if (((defined(_WIN32) || defined(__linux__)) && !defined(__aarch64__) && \
+      !defined(__arm__) && USE_CUDA) ||                                   \
+     defined(__APPLE__))
         ImGui::SetNextWindowPos(
-            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+            ImVec2(io.DisplaySize.x * 0.343f, io.DisplaySize.y * 0.07f));
-                    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));
+            ImVec2(io.DisplaySize.x * 0.315f, io.DisplaySize.y * 0.85f));
+#else
+        ImGui::SetNextWindowPos(
+            ImVec2(io.DisplaySize.x * 0.343f, io.DisplaySize.y * 0.1f));
+        ImGui::SetNextWindowSize(
+            ImVec2(io.DisplaySize.x * 0.315f, io.DisplaySize.y * 0.8f));
+#endif
       } else {
+#if (((defined(_WIN32) || defined(__linux__)) && !defined(__aarch64__) && \
+      !defined(__arm__) && USE_CUDA) ||                                   \
+     defined(__APPLE__))
         ImGui::SetNextWindowPos(
-            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+            ImVec2(io.DisplaySize.x * 0.297f, io.DisplaySize.y * 0.07f));
-                    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));
+            ImVec2(io.DisplaySize.x * 0.407f, io.DisplaySize.y * 0.85f));
+#else
+        ImGui::SetNextWindowPos(
+            ImVec2(io.DisplaySize.x * 0.297f, io.DisplaySize.y * 0.1f));
+        ImGui::SetNextWindowSize(
+            ImVec2(io.DisplaySize.x * 0.407f, io.DisplaySize.y * 0.8f));
+#endif
       }
 
       settings_window_pos_reset_ = false;
@@ -38,10 +45,9 @@ int Render::SettingWindow() {
 
     // Settings
     {
-      static int settings_items_padding = 30;
+      static int settings_items_padding = title_bar_button_width_ * 0.75f;
       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);
@@ -50,7 +56,6 @@ int Render::SettingWindow() {
                    nullptr,
                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
                        ImGuiWindowFlags_NoSavedSettings);
-      ImGui::SetWindowFontScale(1.0f);
       ImGui::SetWindowFontScale(0.5f);
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
       {
@@ -59,19 +64,29 @@ int Render::SettingWindow() {
             localization::language_en[localization_language_index_].c_str()};
 
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s", localization::language[localization_language_index_].c_str());
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(LANGUAGE_SELECT_WINDOW_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.0f);
         } else {
-          ImGui::SetCursorPosX(LANGUAGE_SELECT_WINDOW_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.5f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
-        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
 
-        ImGui::Combo("##language", &language_button_value_, language_items,
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 1.8f);
-                     IM_ARRAYSIZE(language_items));
+        if (ImGui::BeginCombo("##language",
+                              language_items[language_button_value_])) {
+          ImGui::SetWindowFontScale(0.5f);
+          for (int i = 0; i < IM_ARRAYSIZE(language_items); i++) {
+            bool selected = (i == language_button_value_);
+            if (ImGui::Selectable(language_items[i], selected))
+              language_button_value_ = i;
+          }
+
+          ImGui::EndCombo();
+        }
       }
 
       ImGui::Separator();
@@ -90,21 +105,31 @@ int Render::SettingWindow() {
                 .c_str()};
 
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s",
             localization::video_quality[localization_language_index_].c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(VIDEO_QUALITY_SELECT_WINDOW_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.0f);
         } else {
-          ImGui::SetCursorPosX(VIDEO_QUALITY_SELECT_WINDOW_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.5f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
-        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
 
-        ImGui::Combo("##video_quality", &video_quality_button_value_,
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 1.8f);
-                     video_quality_items, IM_ARRAYSIZE(video_quality_items));
+        if (ImGui::BeginCombo(
+                "##video_quality",
+                video_quality_items[video_quality_button_value_])) {
+          ImGui::SetWindowFontScale(0.5f);
+          for (int i = 0; i < IM_ARRAYSIZE(video_quality_items); i++) {
+            bool selected = (i == video_quality_button_value_);
+            if (ImGui::Selectable(video_quality_items[i], selected))
+              video_quality_button_value_ = i;
+          }
+
+          ImGui::EndCombo();
+        }
       }
 
       ImGui::Separator();
@@ -113,22 +138,31 @@ int Render::SettingWindow() {
         const char* video_frame_rate_items[] = {"30 fps", "60 fps"};
 
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text("%s",
                     localization::video_frame_rate[localization_language_index_]
                         .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.0f);
         } else {
-          ImGui::SetCursorPosX(VIDEO_FRAME_RATE_SELECT_WINDOW_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.5f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
-        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
 
-        ImGui::Combo("##video_frame_rate", &video_frame_rate_button_value_,
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 1.8f);
-                     video_frame_rate_items,
+        if (ImGui::BeginCombo(
-                     IM_ARRAYSIZE(video_frame_rate_items));
+                "##video_frame_rate",
+                video_frame_rate_items[video_frame_rate_button_value_])) {
+          ImGui::SetWindowFontScale(0.5f);
+          for (int i = 0; i < IM_ARRAYSIZE(video_frame_rate_items); i++) {
+            bool selected = (i == video_frame_rate_button_value_);
+            if (ImGui::Selectable(video_frame_rate_items[i], selected))
+              video_frame_rate_button_value_ = i;
+          }
+
+          ImGui::EndCombo();
+        }
       }
 
       ImGui::Separator();
@@ -139,41 +173,53 @@ int Render::SettingWindow() {
             localization::av1[localization_language_index_].c_str()};
 
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s",
             localization::video_encode_format[localization_language_index_]
                 .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.0f);
         } else {
-          ImGui::SetCursorPosX(VIDEO_ENCODE_FORMAT_SELECT_WINDOW_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.5f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
-        ImGui::SetNextItemWidth(SETTINGS_SELECT_WINDOW_WIDTH);
 
-        ImGui::Combo(
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 1.8f);
-            "##video_encode_format", &video_encode_format_button_value_,
+        if (ImGui::BeginCombo(
-            video_encode_format_items, IM_ARRAYSIZE(video_encode_format_items));
+                "##video_encode_format",
+                video_encode_format_items[video_encode_format_button_value_])) {
+          ImGui::SetWindowFontScale(0.5f);
+          for (int i = 0; i < IM_ARRAYSIZE(video_encode_format_items); i++) {
+            bool selected = (i == video_encode_format_button_value_);
+            if (ImGui::Selectable(video_encode_format_items[i], selected))
+              video_encode_format_button_value_ = i;
+          }
+
+          ImGui::EndCombo();
+        }
       }
 
-#if USE_CUDA && !defined(__aarch64__) && !defined(__arm__)
+#if (((defined(_WIN32) || defined(__linux__)) && !defined(__aarch64__) && \
+      !defined(__arm__) && USE_CUDA) ||                                   \
+     defined(__APPLE__))
       ImGui::Separator();
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text("%s", localization::enable_hardware_video_codec
                               [localization_language_index_]
                                   .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_HARDWARE_VIDEO_CODEC_CHECKBOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_hardware_video_codec",
                         &enable_hardware_video_codec_);
       }
@@ -183,17 +229,18 @@ int Render::SettingWindow() {
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s",
             localization::enable_turn[localization_language_index_].c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_TURN_CHECKBOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_TURN_CHECKBOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_turn", &enable_turn_);
       }
 
@@ -201,17 +248,18 @@ int Render::SettingWindow() {
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s",
             localization::enable_srtp[localization_language_index_].c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_SRTP_CHECKBOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_SRTP_CHECKBOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_srtp", &enable_srtp_);
       }
 
@@ -220,19 +268,19 @@ int Render::SettingWindow() {
       {
         settings_items_offset += settings_items_padding;
         ImGui::SetCursorPosY(settings_items_offset + 1);
-
+        ImGui::AlignTextToFramePadding();
         if (ImGui::Button(localization::self_hosted_server_config
                               [localization_language_index_]
                                   .c_str())) {
           show_self_hosted_server_config_window_ = true;
         }
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_SELF_HOSTED_SERVER_CHECKBOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_self_hosted", &enable_self_hosted_);
       }
 
@@ -240,18 +288,18 @@ int Render::SettingWindow() {
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
-
+        ImGui::AlignTextToFramePadding();
         ImGui::Text("%s",
                     localization::enable_autostart[localization_language_index_]
                         .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_AUTOSTART_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_AUTOSTART_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_autostart_", &enable_autostart_);
       }
 
@@ -259,18 +307,18 @@ int Render::SettingWindow() {
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
-
+        ImGui::AlignTextToFramePadding();
         ImGui::Text(
             "%s",
             localization::enable_daemon[localization_language_index_].c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_DAEMON_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_DAEMON_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_daemon_", &enable_daemon_);
         if (ImGui::IsItemHovered()) {
           ImGui::BeginTooltip();
@@ -287,18 +335,18 @@ int Render::SettingWindow() {
 
       {
         settings_items_offset += settings_items_padding;
-        ImGui::SetCursorPosY(settings_items_offset + 4);
+        ImGui::SetCursorPosY(settings_items_offset);
-
+        ImGui::AlignTextToFramePadding();
         ImGui::Text("%s",
                     localization::minimize_to_tray[localization_language_index_]
                         .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(ENABLE_MINIZE_TO_TRAY_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 4.275f);
         } else {
-          ImGui::SetCursorPosX(ENABLE_MINIZE_TO_TRAY_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 5.755f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+
         ImGui::Checkbox("##enable_minimize_to_tray_",
                         &enable_minimize_to_tray_);
       }
@@ -308,13 +356,15 @@ int Render::SettingWindow() {
       }
 
       if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-        ImGui::SetCursorPosX(SETTINGS_OK_BUTTON_PADDING_CN);
+        ImGui::SetCursorPosX(title_bar_button_width_ * 1.59f);
       } else {
-        ImGui::SetCursorPosX(SETTINGS_OK_BUTTON_PADDING_EN);
+        ImGui::SetCursorPosX(title_bar_button_width_ * 2.22f);
       }
 
-      settings_items_offset += settings_items_padding + 10;
+      settings_items_offset +=
+          settings_items_padding + title_bar_button_width_ * 0.3f;
       ImGui::SetCursorPosY(settings_items_offset);
+
       ImGui::PopStyleVar();
 
       // OK
@@ -468,12 +518,10 @@ int Render::SettingWindow() {
 
         settings_window_pos_reset_ = true;
       }
-      ImGui::SetWindowFontScale(1.0f);
       ImGui::SetWindowFontScale(0.5f);
       ImGui::End();
       ImGui::PopStyleVar(2);
       ImGui::PopStyleColor();
-      ImGui::SetWindowFontScale(1.0f);
     }
   }
 

src/gui/windows/main_window.cpp

@@ -1,3 +1,4 @@
+#include "layout_relative.h"
 #include "localization.h"
 #include "rd_log.h"
 #include "render.h"
@@ -5,25 +6,30 @@
 namespace crossdesk {
 
 int Render::MainWindow() {
-  ImGui::SetNextWindowPos(ImVec2(0, title_bar_height_), ImGuiCond_Always);
+  ImGuiIO& io = ImGui::GetIO();
+  float local_remote_window_width = io.DisplaySize.x;
+  float local_remote_window_height =
+      io.DisplaySize.y * (0.56f - TITLE_BAR_HEIGHT);
+
+  ImGui::SetNextWindowPos(ImVec2(0.0f, io.DisplaySize.y * (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",
+  ImGui::BeginChild(
-                    ImVec2(main_window_width_default_, local_window_height_),
+      "DeskWindow",
-                    ImGuiChildFlags_Border,
+      ImVec2(local_remote_window_width, local_remote_window_height),
-                    ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
+      ImGuiChildFlags_Border,
-                        ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoTitleBar |
+      ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove |
-                        ImGuiWindowFlags_NoBringToFrontOnFocus);
+          ImGuiWindowFlags_NoBringToFrontOnFocus);
   ImGui::PopStyleVar();
   ImGui::PopStyleColor();
 
   LocalWindow();
 
   ImDrawList* draw_list = ImGui::GetWindowDrawList();
-  draw_list->AddLine(
+  draw_list->AddLine(ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 0.1f),
-      ImVec2(main_window_width_default_ / 2, title_bar_height_ + 15.0f),
+                     ImVec2(io.DisplaySize.x * 0.5f, io.DisplaySize.y * 0.53f),
-      ImVec2(main_window_width_default_ / 2, title_bar_height_ + 225.0f),
+                     IM_COL32(0, 0, 0, 122), 1.0f);
-      IM_COL32(0, 0, 0, 122), 1.0f);
 
   RemoteWindow();
   ImGui::EndChild();
@@ -32,6 +38,7 @@ int Render::MainWindow() {
   StatusBar();
 
   if (show_connection_status_window_) {
+    // std::unique_lock lock(client_properties_mutex_);
     for (auto it = client_properties_.begin();
          it != client_properties_.end();) {
       auto& props = it->second;

src/gui/windows/request_permission_window.mm

@@ -0,0 +1,205 @@
+#include "layout.h"
+#include "localization.h"
+#include "rd_log.h"
+#include "render.h"
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <CoreGraphics/CoreGraphics.h>
+#import <Foundation/Foundation.h>
+#include <unistd.h>
+#include <cstdlib>
+
+namespace crossdesk {
+
+bool Render::DrawToggleSwitch(const char* id, bool active, bool enabled) {
+  const float TRACK_HEIGHT = ImGui::GetFrameHeight();
+  const float TRACK_WIDTH = TRACK_HEIGHT * 1.8f;
+  const float TRACK_RADIUS = TRACK_HEIGHT * 0.5f;
+  const float KNOB_PADDING = 2.0f;
+  const float KNOB_HEIGHT = TRACK_HEIGHT - 4.0f;
+  const float KNOB_WIDTH = KNOB_HEIGHT * 1.2f;
+  const float KNOB_RADIUS = KNOB_HEIGHT * 0.5f;
+  const float DISABLED_ALPHA = 0.6f;
+  const float KNOB_ALPHA_DISABLED = 0.9f;
+
+  const ImVec4 COLOR_ACTIVE = ImVec4(0.0f, 0.0f, 1.0f, 1.0f);
+  const ImVec4 COLOR_ACTIVE_HOVER = ImVec4(0.26f, 0.59f, 0.98f, 1.0f);
+  const ImVec4 COLOR_INACTIVE = ImVec4(0.60f, 0.60f, 0.60f, 1.0f);
+  const ImVec4 COLOR_INACTIVE_HOVER = ImVec4(0.70f, 0.70f, 0.70f, 1.0f);
+  const ImVec4 COLOR_KNOB = ImVec4(1.0f, 1.0f, 1.0f, 1.0f);
+
+  ImDrawList* draw_list = ImGui::GetWindowDrawList();
+  ImVec2 track_pos = ImGui::GetCursorScreenPos();
+
+  ImGui::InvisibleButton(id, ImVec2(TRACK_WIDTH, TRACK_HEIGHT));
+  bool hovered = ImGui::IsItemHovered();
+  bool clicked = ImGui::IsItemClicked() && enabled;
+
+  ImVec4 track_color = active ? (hovered && enabled ? COLOR_ACTIVE_HOVER : COLOR_ACTIVE)
+                              : (hovered && enabled ? COLOR_INACTIVE_HOVER : COLOR_INACTIVE);
+
+  if (!enabled) {
+    track_color.w *= DISABLED_ALPHA;
+  }
+
+  ImVec2 track_min = ImVec2(track_pos.x, track_pos.y + 0.5f);
+  ImVec2 track_max = ImVec2(track_pos.x + TRACK_WIDTH, track_pos.y + TRACK_HEIGHT - 0.5f);
+  draw_list->AddRectFilled(track_min, track_max, ImGui::GetColorU32(track_color), TRACK_RADIUS);
+
+  float knob_position = active ? 1.0f : 0.0f;
+  float knob_min_x = track_pos.x + KNOB_PADDING;
+  float knob_max_x = track_pos.x + TRACK_WIDTH - KNOB_WIDTH - KNOB_PADDING;
+  float knob_x = knob_min_x + knob_position * (knob_max_x - knob_min_x);
+  float knob_y = track_pos.y + (TRACK_HEIGHT - KNOB_HEIGHT) * 0.5f;
+
+  ImVec4 knob_color = COLOR_KNOB;
+  if (!enabled) {
+    knob_color.w = KNOB_ALPHA_DISABLED;
+  }
+
+  ImVec2 knob_min = ImVec2(knob_x, knob_y);
+  ImVec2 knob_max = ImVec2(knob_x + KNOB_WIDTH, knob_y + KNOB_HEIGHT);
+  draw_list->AddRectFilled(knob_min, knob_max, ImGui::GetColorU32(knob_color), KNOB_RADIUS);
+
+  return clicked;
+}
+
+bool Render::CheckScreenRecordingPermission() {
+  // CGPreflightScreenCaptureAccess is available on macOS 10.15+
+  if (@available(macOS 10.15, *)) {
+    bool granted = CGPreflightScreenCaptureAccess();
+    return granted;
+  }
+  // for older macOS versions, assume permission is granted
+  return true;
+}
+
+bool Render::CheckAccessibilityPermission() {
+  NSDictionary* options = @{(__bridge id)kAXTrustedCheckOptionPrompt : @NO};
+  bool trusted = AXIsProcessTrustedWithOptions((__bridge CFDictionaryRef)options);
+  return trusted;
+}
+
+void Render::OpenAccessibilityPreferences() {
+  NSDictionary* options = @{(__bridge id)kAXTrustedCheckOptionPrompt : @YES};
+  AXIsProcessTrustedWithOptions((__bridge CFDictionaryRef)options);
+
+  system("open "
+         "\"x-apple.systempreferences:com.apple.preference.security?Privacy_"
+         "Accessibility\"");
+}
+
+void Render::OpenScreenRecordingPreferences() {
+  if (@available(macOS 10.15, *)) {
+    CGRequestScreenCaptureAccess();
+  }
+
+  system("open "
+         "\"x-apple.systempreferences:com.apple.preference.security?Privacy_"
+         "ScreenCapture\"");
+}
+
+int Render::RequestPermissionWindow() {
+  bool screen_recording_granted = CheckScreenRecordingPermission();
+  bool accessibility_granted = CheckAccessibilityPermission();
+
+  show_request_permission_window_ = !screen_recording_granted || !accessibility_granted;
+
+  if (!show_request_permission_window_) {
+    return 0;
+  }
+
+  const ImGuiViewport* viewport = ImGui::GetMainViewport();
+  float window_width = localization_language_index_ == 0 ? REQUEST_PERMISSION_WINDOW_WIDTH_CN
+                                                         : REQUEST_PERMISSION_WINDOW_WIDTH_EN;
+  float window_height = localization_language_index_ == 0 ? REQUEST_PERMISSION_WINDOW_HEIGHT_CN
+                                                          : REQUEST_PERMISSION_WINDOW_HEIGHT_EN;
+
+  float checkbox_padding = localization_language_index_ == 0
+                               ? REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_CN
+                               : REQUEST_PERMISSION_WINDOW_CHECKBOX_PADDING_EN;
+
+  ImVec2 center_pos = ImVec2((viewport->WorkSize.x - window_width) * 0.5f + viewport->WorkPos.x,
+                             (viewport->WorkSize.y - window_height) * 0.5f + viewport->WorkPos.y);
+  ImGui::SetNextWindowPos(center_pos, ImGuiCond_Once);
+
+  ImGui::SetNextWindowSize(ImVec2(window_width, window_height), ImGuiCond_Always);
+
+  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::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
+
+  ImGui::Begin(
+      localization::request_permissions[localization_language_index_].c_str(), nullptr,
+      ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoSavedSettings);
+
+  ImGui::SetWindowFontScale(0.3f);
+
+  // use system font
+  if (main_windows_system_chinese_font_ != nullptr) {
+    ImGui::PushFont(main_windows_system_chinese_font_);
+  }
+
+  ImGui::SetCursorPosY(ImGui::GetCursorPosY() + ImGui::GetTextLineHeight() + 5.0f);
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::TextWrapped(
+      "%s", localization::permission_required_message[localization_language_index_].c_str());
+
+  ImGui::Spacing();
+  ImGui::Spacing();
+  ImGui::Spacing();
+
+  // accessibility permission
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::AlignTextToFramePadding();
+  ImGui::Text("1. %s:",
+              localization::accessibility_permission[localization_language_index_].c_str());
+  ImGui::SameLine();
+  ImGui::AlignTextToFramePadding();
+  ImGui::SetCursorPosX(checkbox_padding);
+  if (accessibility_granted) {
+    DrawToggleSwitch("accessibility_toggle_on", true, false);
+  } else {
+    if (DrawToggleSwitch("accessibility_toggle", accessibility_granted, !accessibility_granted)) {
+      OpenAccessibilityPreferences();
+    }
+  }
+
+  ImGui::Spacing();
+
+  // screen recording permission
+  ImGui::SetCursorPosX(10.0f);
+  ImGui::AlignTextToFramePadding();
+  ImGui::Text("2. %s:",
+              localization::screen_recording_permission[localization_language_index_].c_str());
+  ImGui::SameLine();
+  ImGui::AlignTextToFramePadding();
+  ImGui::SetCursorPosX(checkbox_padding);
+  if (screen_recording_granted) {
+    ImGui::SetCursorPosX(ImGui::GetCursorPosX() + 10.0f);
+    DrawToggleSwitch("screen_recording_toggle_on", true, false);
+  } else {
+    if (DrawToggleSwitch("screen_recording_toggle", screen_recording_granted,
+                         !screen_recording_granted)) {
+      OpenScreenRecordingPreferences();
+    }
+  }
+
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::SetWindowFontScale(0.45f);
+
+  // pop system font
+  if (main_windows_system_chinese_font_ != nullptr) {
+    ImGui::PopFont();
+  }
+
+  ImGui::End();
+  ImGui::SetWindowFontScale(1.0f);
+  ImGui::PopStyleVar(4);
+  ImGui::PopStyleColor();
+
+  return 0;
+}
+}  // namespace crossdesk

src/gui/windows/server_settings_window.cpp

@@ -54,12 +54,13 @@ int Render::ShowSimpleFileBrowser() {
   if (show_file_browser_) {
     ImGui::PushItemFlag(ImGuiItemFlags_AutoClosePopups, false);
 
-    float fixed_width = 130.0f;
+    float fixed_width = title_bar_button_width_ * 3.8f;
     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)) {
+      ImGui::SetWindowFontScale(0.5f);
       bool file_selected = false;
 
       auto roots = GetRootEntries();
@@ -120,33 +121,19 @@ int Render::ShowSimpleFileBrowser() {
 }
 
 int Render::SelfHostedServerWindow() {
+  ImGuiIO& io = ImGui::GetIO();
   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 -
+            ImVec2(io.DisplaySize.x * 0.298f, io.DisplaySize.y * 0.25f));
-                    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,
+            ImVec2(io.DisplaySize.x * 0.407f, io.DisplaySize.y * 0.41f));
-                   SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_CN));
       } else {
         ImGui::SetNextWindowPos(
-            ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+            ImVec2(io.DisplaySize.x * 0.27f, io.DisplaySize.y * 0.3f));
-                    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,
+            ImVec2(io.DisplaySize.x * 0.465f, io.DisplaySize.y * 0.41f));
-                   SELF_HOSTED_SERVER_CONFIG_WINDOW_HEIGHT_EN));
       }
 
       self_hosted_server_config_window_pos_reset_ = false;
@@ -154,9 +141,6 @@ int Render::SelfHostedServerWindow() {
 
     // 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);
@@ -172,18 +156,17 @@ int Render::SelfHostedServerWindow() {
       ImGui::SetWindowFontScale(0.5f);
       ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 1.0f);
       {
-        settings_items_offset += settings_items_padding;
+        ImGui::AlignTextToFramePadding();
-        ImGui::SetCursorPosY(settings_items_offset + 2);
         ImGui::Text("%s", localization::self_hosted_server_address
                               [localization_language_index_]
                                   .c_str());
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 2.5f);
         } else {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_HOST_INPUT_BOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.43f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 3.8f);
-        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
 
         ImGui::InputText("##signal_server_ip_self_", signal_server_ip_self_,
                          IM_ARRAYSIZE(signal_server_ip_self_),
@@ -193,20 +176,18 @@ int Render::SelfHostedServerWindow() {
       ImGui::Separator();
 
       {
-        settings_items_offset += settings_items_padding;
+        ImGui::AlignTextToFramePadding();
-        ImGui::SetCursorPosY(settings_items_offset + 2);
         ImGui::Text(
             "%s",
             localization::self_hosted_server_port[localization_language_index_]
                 .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 2.5f);
         } else {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.43f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 3.8f);
-        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
 
         ImGui::InputText("##signal_server_port_self_", signal_server_port_self_,
                          IM_ARRAYSIZE(signal_server_port_self_));
@@ -215,19 +196,17 @@ int Render::SelfHostedServerWindow() {
       ImGui::Separator();
 
       {
-        settings_items_offset += settings_items_padding;
+        ImGui::AlignTextToFramePadding();
-        ImGui::SetCursorPosY(settings_items_offset + 2);
         ImGui::Text("%s", localization::self_hosted_server_coturn_server_port
                               [localization_language_index_]
                                   .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 2.5f);
         } else {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.43f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 3.8f);
-        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
 
         ImGui::InputText("##coturn_server_port_self_", coturn_server_port_self_,
                          IM_ARRAYSIZE(coturn_server_port_self_));
@@ -236,19 +215,17 @@ int Render::SelfHostedServerWindow() {
       ImGui::Separator();
 
       {
-        settings_items_offset += settings_items_padding;
+        ImGui::AlignTextToFramePadding();
-        ImGui::SetCursorPosY(settings_items_offset + 2);
         ImGui::Text("%s", localization::self_hosted_server_certificate_path
                               [localization_language_index_]
                                   .c_str());
-
+        ImGui::SameLine();
         if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_CN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 2.5f);
         } else {
-          ImGui::SetCursorPosX(SELF_HOSTED_SERVER_PORT_INPUT_BOX_PADDING_EN);
+          ImGui::SetCursorPosX(title_bar_button_width_ * 3.43f);
         }
-        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::SetNextItemWidth(title_bar_button_width_ * 3.8f);
-        ImGui::SetNextItemWidth(SELF_HOSTED_SERVER_INPUT_WINDOW_WIDTH);
 
         ShowSimpleFileBrowser();
       }
@@ -257,14 +234,14 @@ int Render::SelfHostedServerWindow() {
         ImGui::EndDisabled();
       }
 
+      ImGui::Dummy(ImVec2(0.0f, title_bar_button_width_ * 0.25f));
+
       if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-        ImGui::SetCursorPosX(SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_CN);
+        ImGui::SetCursorPosX(title_bar_button_width_ * 2.32f);
       } else {
-        ImGui::SetCursorPosX(SELF_HOSTED_SERVER_CONFIG_OK_BUTTON_PADDING_EN);
+        ImGui::SetCursorPosX(title_bar_button_width_ * 2.7f);
       }
 
-      settings_items_offset += settings_items_padding + 10;
-      ImGui::SetCursorPosY(settings_items_offset);
       ImGui::PopStyleVar();
 
       // OK
@@ -298,16 +275,27 @@ int Render::SelfHostedServerWindow() {
               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_,
-        strncpy(signal_server_ip_self_, signal_server_ip_,
+                config_center_->GetSignalServerHost().c_str(),
                 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_,
+        int signal_port = config_center_->GetSignalServerPort();
-                sizeof(signal_server_port_self_) - 1);
+        if (signal_port > 0) {
-        signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
+          strncpy(signal_server_port_self_, std::to_string(signal_port).c_str(),
-        config_center_->SetServerHost(signal_server_ip_self_);
+                  sizeof(signal_server_port_self_) - 1);
-        config_center_->SetServerPort(atoi(signal_server_port_self_));
+          signal_server_port_self_[sizeof(signal_server_port_self_) - 1] = '\0';
-        tls_cert_path_self_.clear();
+        } else {
+          signal_server_port_self_[0] = '\0';
+        }
+        int coturn_port = config_center_->GetCoturnServerPort();
+        if (coturn_port > 0) {
+          strncpy(coturn_server_port_self_, std::to_string(coturn_port).c_str(),
+                  sizeof(coturn_server_port_self_) - 1);
+          coturn_server_port_self_[sizeof(coturn_server_port_self_) - 1] = '\0';
+        } else {
+          coturn_server_port_self_[0] = '\0';
+        }
+        tls_cert_path_self_ = config_center_->GetCertFilePath();
       }
 
       ImGui::SetWindowFontScale(1.0f);

src/gui/windows/stream_window.cpp

@@ -32,12 +32,15 @@ void Render::DrawConnectionStatusText(
 }
 
 void Render::CloseTab(decltype(client_properties_)::iterator& it) {
-  CleanupPeer(it->second);
+  // std::unique_lock lock(client_properties_mutex_);
-  it = client_properties_.erase(it);
+  if (it != client_properties_.end()) {
-  if (client_properties_.empty()) {
+    CleanupPeer(it->second);
-    SDL_Event event;
+    it = client_properties_.erase(it);
-    event.type = SDL_EVENT_QUIT;
+    if (client_properties_.empty()) {
-    SDL_PushEvent(&event);
+      SDL_Event event;
+      event.type = SDL_EVENT_QUIT;
+      SDL_PushEvent(&event);
+    }
   }
 }
 
@@ -50,21 +53,28 @@ int Render::StreamWindow() {
   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,
+  bool video_bg_opened = ImGui::Begin(
-               ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
+      "VideoBg", nullptr,
-                   ImGuiWindowFlags_NoBringToFrontOnFocus |
+      ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration |
-                   ImGuiWindowFlags_NoDocking);
+          ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoDocking);
   ImGui::PopStyleColor(2);
   ImGui::PopStyleVar();
 
+  if (!video_bg_opened) {
+    return 0;
+  }
+
   ImGuiWindowFlags stream_window_flag =
       ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoDecoration |
       ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoMove;
 
   if (!fullscreen_button_pressed_) {
-    ImGui::SetNextWindowPos(ImVec2(20, 0), ImGuiCond_Always);
+    ImGui::SetNextWindowPos(
-    ImGui::SetNextWindowSize(ImVec2(0, 20), ImGuiCond_Always);
+        ImVec2(title_bar_button_width_ * 0.8f, title_bar_button_width_ * 0.1f),
-    ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 8.0f));
+        ImGuiCond_Always);
+    ImGui::SetNextWindowSize(ImVec2(0, title_bar_button_width_ * 0.8f),
+                             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("TabBar", nullptr,
@@ -79,22 +89,32 @@ int Render::StreamWindow() {
                                ImGuiTabBarFlags_AutoSelectNewTabs)) {
       is_tab_bar_hovered_ = ImGui::IsWindowHovered();
 
+      // std::shared_lock lock(client_properties_mutex_);
       for (auto it = client_properties_.begin();
            it != client_properties_.end();) {
         auto& props = it->second;
         if (!props->tab_opened_) {
-          CloseTab(it);
+          std::string remote_id_to_close = props->remote_id_;
+          // lock.unlock();
+          {
+            // std::unique_lock unique_lock(client_properties_mutex_);
+            auto close_it = client_properties_.find(remote_id_to_close);
+            if (close_it != client_properties_.end()) {
+              CloseTab(close_it);
+            }
+          }
+          // lock.lock();
+          it = client_properties_.begin();
           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::SetWindowFontScale(0.6f);
 
           ImGui::SetNextWindowSize(
               ImVec2(stream_window_width_, stream_window_height_),
@@ -122,12 +142,25 @@ int Render::StreamWindow() {
           focused_remote_id_ = props->remote_id_;
 
           if (!props->peer_) {
-            it = client_properties_.erase(it);
+            std::string remote_id_to_erase = props->remote_id_;
-            if (client_properties_.empty()) {
+            // lock.unlock();
-              SDL_Event event;
+            {
-              event.type = SDL_EVENT_QUIT;
+              // std::unique_lock unique_lock(client_properties_mutex_);
-              SDL_PushEvent(&event);
+              auto erase_it = client_properties_.find(remote_id_to_erase);
+              if (erase_it != client_properties_.end()) {
+                erase_it = client_properties_.erase(erase_it);
+                if (client_properties_.empty()) {
+                  SDL_Event event;
+                  event.type = SDL_EVENT_QUIT;
+                  SDL_PushEvent(&event);
+                }
+              }
             }
+            // lock.lock();
+            ImGui::End();
+            ImGui::EndTabItem();
+            it = client_properties_.begin();
+            continue;
           } else {
             DrawConnectionStatusText(props);
             ++it;
@@ -137,7 +170,20 @@ int Render::StreamWindow() {
           ImGui::EndTabItem();
         } else {
           props->tab_selected_ = false;
-          ImGui::SetWindowFontScale(1.0f);
+          if (!props->tab_opened_) {
+            std::string remote_id_to_close = props->remote_id_;
+            // lock.unlock();
+            {
+              // std::unique_lock unique_lock(client_properties_mutex_);
+              auto close_it = client_properties_.find(remote_id_to_close);
+              if (close_it != client_properties_.end()) {
+                CloseTab(close_it);
+              }
+            }
+            // lock.lock();
+            it = client_properties_.begin();
+            continue;
+          }
           ++it;
         }
       }
@@ -147,11 +193,22 @@ int Render::StreamWindow() {
 
     ImGui::End();  // End TabBar
   } else {
+    // std::shared_lock lock(client_properties_mutex_);
     for (auto it = client_properties_.begin();
          it != client_properties_.end();) {
       auto& props = it->second;
       if (!props->tab_opened_) {
-        CloseTab(it);
+        std::string remote_id_to_close = props->remote_id_;
+        // lock.unlock();
+        {
+          // std::unique_lock unique_lock(client_properties_mutex_);
+          auto close_it = client_properties_.find(remote_id_to_close);
+          if (close_it != client_properties_.end()) {
+            CloseTab(close_it);
+          }
+        }
+        // lock.lock();
+        it = client_properties_.begin();
         continue;
       }
 
@@ -181,12 +238,23 @@ int Render::StreamWindow() {
         if (!props->peer_) {
           fullscreen_button_pressed_ = false;
           SDL_SetWindowFullscreen(stream_window_, false);
-          it = client_properties_.erase(it);
+          std::string remote_id_to_erase = props->remote_id_;
-          if (client_properties_.empty()) {
+          // lock.unlock();
-            SDL_Event event;
+          {
-            event.type = SDL_EVENT_QUIT;
+            // std::unique_lock unique_lock(client_properties_mutex_);
-            SDL_PushEvent(&event);
+            auto erase_it = client_properties_.find(remote_id_to_erase);
+            if (erase_it != client_properties_.end()) {
+              client_properties_.erase(erase_it);
+              if (client_properties_.empty()) {
+                SDL_Event event;
+                event.type = SDL_EVENT_QUIT;
+                SDL_PushEvent(&event);
+              }
+            }
           }
+          // lock.lock();
+          it = client_properties_.begin();
+          continue;
         } else {
           DrawConnectionStatusText(props);
           ++it;

src/gui/windows/update_notification_window.cpp

@@ -55,44 +55,47 @@ int Render::UpdateNotificationWindow() {
   if (show_update_notification_window_ && update_available_) {
     const ImGuiViewport* viewport = ImGui::GetMainViewport();
 
-    float window_width = update_notification_window_width_;
+    float update_notification_window_width = title_bar_button_width_ * 10.0f;
-    float window_height = update_notification_window_height_;
+    float update_notification_window_height = title_bar_button_width_ * 8.0f;
 
-    ImGui::SetNextWindowPos(
+    // #ifdef __APPLE__
-        ImVec2(
+    //     float font_scale = 0.3f;
-            (viewport->WorkSize.x - viewport->WorkPos.x - window_width) / 2,
+    // #else
-            (viewport->WorkSize.y - viewport->WorkPos.y - window_height) / 2),
+    //     float font_scale = 0.5f;
-        ImGuiCond_FirstUseEver);
+    // #endif
 
-    ImGui::SetNextWindowSize(ImVec2(window_width, window_height));
+    ImGui::SetNextWindowPos(ImVec2((viewport->WorkSize.x - viewport->WorkPos.x -
+                                    update_notification_window_width) /
+                                       2,
+                                   (viewport->WorkSize.y - viewport->WorkPos.y -
+                                    update_notification_window_height) /
+                                       2),
+                            ImGuiCond_FirstUseEver);
+
+    ImGui::SetNextWindowSize(ImVec2(update_notification_window_width,
+                                    update_notification_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::notification[localization_language_index_].c_str(),
         nullptr,
         ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse |
-            ImGuiWindowFlags_NoSavedSettings);
+            ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoTitleBar);
 
-    ImGui::SetWindowFontScale(1.0f);
+    ImGui::SetCursorPosY(ImGui::GetCursorPosY() +
-    ImGui::SetWindowFontScale(0.5f);
+                         update_notification_window_height * 0.05f);
-
-    // use system Chinese font
-    if (system_chinese_font_ != nullptr) {
-      ImGui::PushFont(system_chinese_font_);
-    }
 
     // title: new version available
-    ImGui::SetCursorPosX(window_width * 0.1f);
+    ImGui::SetCursorPosX(update_notification_window_width * 0.1f);
-    ImGui::SetWindowFontScale(0.7f);
+    ImGui::SetWindowFontScale(0.55f);
     std::string title =
         localization::new_version_available[localization_language_index_] +
         ": v" + latest_version_;
     ImGui::Text("%s", title.c_str());
-    ImGui::SetWindowFontScale(0.5f);
+    ImGui::SetWindowFontScale(0.1f);
 
     ImGui::Spacing();
 
@@ -100,19 +103,26 @@ int Render::UpdateNotificationWindow() {
     std::string download_text =
         localization::access_website[localization_language_index_] +
         "https://crossdesk.cn";
-    Hyperlink(download_text, "https://crossdesk.cn", window_width);
+    ImGui::SetWindowFontScale(0.5f);
+    Hyperlink(download_text, "https://crossdesk.cn",
+              update_notification_window_width);
+    ImGui::SetWindowFontScale(1.0f);
 
     ImGui::Spacing();
 
-    float reserved_height = 140.0f;
+    float scrollable_height =
-    float scrollable_height = window_height - reserved_height;
+        update_notification_window_height - UPDATE_NOTIFICATION_RESERVED_HEIGHT;
 
+    if (main_windows_system_chinese_font_ != nullptr) {
+      ImGui::PushFont(main_windows_system_chinese_font_);
+    }
     // scrollable content area
-    ImGui::SetCursorPosX(window_width * 0.05f);
+    ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
-    ImGui::BeginChild("ScrollableContent",
+    ImGui::BeginChild(
-                      ImVec2(window_width * 0.9f, scrollable_height),
+        "ScrollableContent",
-                      ImGuiChildFlags_Border, ImGuiWindowFlags_None);
+        ImVec2(update_notification_window_width * 0.9f, scrollable_height),
-
+        ImGuiChildFlags_Border, ImGuiWindowFlags_None);
+    ImGui::SetWindowFontScale(0.5f);
     // set text wrap position to current available width (accounts for
     // scrollbar)
     float wrap_pos = ImGui::GetContentRegionAvail().x;
@@ -122,7 +132,7 @@ int Render::UpdateNotificationWindow() {
     if (latest_version_info_.contains("releaseName") &&
         latest_version_info_["releaseName"].is_string() &&
         !latest_version_info_["releaseName"].empty()) {
-      ImGui::SetCursorPosX(window_width * 0.05f);
+      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
       std::string release_name =
           latest_version_info_["releaseName"].get<std::string>();
       ImGui::TextWrapped("%s", release_name.c_str());
@@ -131,7 +141,7 @@ int Render::UpdateNotificationWindow() {
 
     // release notes
     if (!release_notes_.empty()) {
-      ImGui::SetCursorPosX(window_width * 0.05f);
+      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
       std::string cleaned_notes = CleanMarkdown(release_notes_);
       ImGui::TextWrapped("%s", cleaned_notes.c_str());
       ImGui::Spacing();
@@ -141,7 +151,7 @@ int Render::UpdateNotificationWindow() {
     if (latest_version_info_.contains("releaseDate") &&
         latest_version_info_["releaseDate"].is_string() &&
         !latest_version_info_["releaseDate"].empty()) {
-      ImGui::SetCursorPosX(window_width * 0.05f);
+      ImGui::SetCursorPosX(update_notification_window_width * 0.05f);
       std::string date_label =
           localization::release_date[localization_language_index_];
       std::string release_date = latest_version_info_["releaseDate"];
@@ -155,14 +165,20 @@ int Render::UpdateNotificationWindow() {
 
     ImGui::EndChild();
 
+    // pop system font
+    if (main_windows_system_chinese_font_ != nullptr) {
+      ImGui::PopFont();
+    }
+
     ImGui::Spacing();
 
     if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
-      ImGui::SetCursorPosX(UPDATE_NOTIFICATION_OK_BUTTON_PADDING_CN);
+      ImGui::SetCursorPosX(update_notification_window_width * 0.407f);
     } else {
-      ImGui::SetCursorPosX(UPDATE_NOTIFICATION_OK_BUTTON_PADDING_EN);
+      ImGui::SetCursorPosX(update_notification_window_width * 0.367f);
     }
 
+    ImGui::SetWindowFontScale(0.5f);
     // update button
     if (ImGui::Button(
             localization::update[localization_language_index_].c_str())) {
@@ -187,15 +203,8 @@ int Render::UpdateNotificationWindow() {
     }
 
     ImGui::SetWindowFontScale(1.0f);
-    ImGui::SetWindowFontScale(0.5f);
-
-    // pop system font
-    if (system_chinese_font_ != nullptr) {
-      ImGui::PopFont();
-    }
 
     ImGui::End();
-    ImGui::SetWindowFontScale(1.0f);
     ImGui::PopStyleVar(3);
     ImGui::PopStyleColor();
   }

src/path_manager/path_manager.cpp

@@ -36,7 +36,7 @@ std::filesystem::path PathManager::GetLogPath() {
 #elif __APPLE__
   return GetHome() + "/Library/Logs/" + app_name_;
 #else
-  return GetCachePath() / app_name_ / "logs";
+  return GetCachePath() / "logs";
 #endif
 }
 

src/screen_capturer/linux/screen_capturer_x11.cpp

@@ -1,6 +1,9 @@
 #include "screen_capturer_x11.h"
 
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
 #include <X11/extensions/Xfixes.h>
+#include <X11/extensions/Xrandr.h>
 
 #include <chrono>
 #include <thread>

src/screen_capturer/linux/screen_capturer_x11.h

@@ -7,10 +7,14 @@
 #ifndef _SCREEN_CAPTURER_X11_H_
 #define _SCREEN_CAPTURER_X11_H_
 
-#include <X11/Xlib.h>
+// forward declarations for X11 types
-#include <X11/Xutil.h>
+struct _XDisplay;
-#include <X11/extensions/Xrandr.h>
+typedef struct _XDisplay Display;
-#include <X11/extensions/Xfixes.h>
+typedef unsigned long Window;
+struct _XRRScreenResources;
+typedef struct _XRRScreenResources XRRScreenResources;
+struct _XImage;
+typedef struct _XImage XImage;
 
 #include <atomic>
 #include <cstring>
@@ -43,6 +47,9 @@ class ScreenCapturerX11 : public ScreenCapturer {
 
   void OnFrame();
 
+ private:
+  void DrawCursor(XImage* image, int x, int y);
+
  private:
   Display* display_ = nullptr;
   Window root_ = 0;
@@ -60,12 +67,8 @@ class ScreenCapturerX11 : public ScreenCapturer {
   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_;
-  
-  // 鼠标光标相关
-  void DrawCursor(XImage* image, int x, int y);
 };
 }  // namespace crossdesk
 #endif

src/screen_capturer/macosx/screen_capturer_sck_impl.mm

@@ -196,14 +196,26 @@ ScreenCapturerSckImpl::~ScreenCapturerSckImpl() {
 
 int ScreenCapturerSckImpl::Init(const int fps, cb_desktop_data cb) {
   _on_data = cb;
+  fps_ = fps;
+
+  if (@available(macOS 10.15, *)) {
+    bool has_permission = CGPreflightScreenCaptureAccess();
+    if (!has_permission) {
+      LOG_ERROR("Screen recording permission not granted");
+      return -1;
+    }
+  }
 
   dispatch_semaphore_t sema = dispatch_semaphore_create(0);
   __block SCShareableContent *content = nil;
+  __block NSError *capture_error = nil;
 
   [SCShareableContent
       getShareableContentWithCompletionHandler:^(SCShareableContent *result, NSError *error) {
         if (error) {
-          NSLog(@"Failed to get shareable content: %@", error);
+          capture_error = error;
+          LOG_ERROR("Failed to get shareable content: {}",
+                    std::string([error.localizedDescription UTF8String]));
         } else {
           content = result;
         }
@@ -211,9 +223,10 @@ int ScreenCapturerSckImpl::Init(const int fps, cb_desktop_data cb) {
       }];
   dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);
 
-  if (!content || content.displays.count == 0) {
+  if (capture_error || !content || content.displays.count == 0) {
-    LOG_ERROR("Failed to get display info");
+    LOG_ERROR("Failed to get display info, error: {}",
-    return 0;
+              std::string([capture_error.localizedDescription UTF8String]));
+    return -1;
   }
 
   CGDirectDisplayID displays[10];
@@ -252,6 +265,16 @@ int ScreenCapturerSckImpl::Init(const int fps, cb_desktop_data cb) {
 }
 
 int ScreenCapturerSckImpl::Start(bool show_cursor) {
+  if (permanent_error_) {
+    LOG_ERROR("Cannot start capturer: permanent error occurred");
+    return -1;
+  }
+
+  if (display_info_list_.empty()) {
+    LOG_ERROR("Cannot start capturer: display info not initialized");
+    return -1;
+  }
+
   show_cursor_ = show_cursor;
   StartOrReconfigureCapturer();
   return 0;
@@ -307,17 +330,17 @@ void ScreenCapturerSckImpl::OnShareableContentCreated(SCShareableContent *conten
     return;
   }
 
-  if (!content.displays.count) {
+  if (!content.displays || content.displays.count == 0) {
     LOG_ERROR("getShareableContent returned no displays");
     permanent_error_ = true;
     return;
   }
 
-  SCDisplay *captured_display;
+  SCDisplay *captured_display = nil;
   {
     std::lock_guard<std::mutex> lock(lock_);
     for (SCDisplay *display in content.displays) {
-      if (current_display_ == display.displayID) {
+      if (current_display_ != 0 && current_display_ == display.displayID) {
         LOG_WARN("current display: {}, name: {}", current_display_,
                  display_id_name_map_[current_display_]);
         captured_display = display;
@@ -326,13 +349,33 @@ void ScreenCapturerSckImpl::OnShareableContentCreated(SCShareableContent *conten
     }
     if (!captured_display) {
       captured_display = content.displays.firstObject;
-      current_display_ = captured_display.displayID;
+      if (captured_display) {
+        current_display_ = captured_display.displayID;
+      }
     }
   }
 
+  if (!captured_display) {
+    LOG_ERROR("Failed to find valid display");
+    permanent_error_ = true;
+    return;
+  }
+
   SCContentFilter *filter = [[SCContentFilter alloc] initWithDisplay:captured_display
                                                     excludingWindows:@[]];
+  if (!filter) {
+    LOG_ERROR("Failed to create SCContentFilter");
+    permanent_error_ = true;
+    return;
+  }
+
   SCStreamConfiguration *config = [[SCStreamConfiguration alloc] init];
+  if (!config) {
+    LOG_ERROR("Failed to create SCStreamConfiguration");
+    permanent_error_ = true;
+    return;
+  }
+
   config.pixelFormat = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
   config.showsCursor = show_cursor_;
   config.width = filter.contentRect.size.width * filter.pointPixelScale;
@@ -423,11 +466,28 @@ void ScreenCapturerSckImpl::OnNewCVPixelBuffer(CVPixelBufferRef pixelBuffer,
 }
 
 void ScreenCapturerSckImpl::StartOrReconfigureCapturer() {
-  // The copy is needed to avoid capturing `this` in the Objective-C block. Accessing `helper_`
+  if (permanent_error_) {
-  // inside the block is equivalent to `this->helper_` and would crash (UAF) if `this` is
+    LOG_ERROR("Cannot reconfigure capturer: permanent error occurred");
-  // deleted before the block is executed.
+    return;
+  }
+
+  if (@available(macOS 10.15, *)) {
+    bool has_permission = CGPreflightScreenCaptureAccess();
+    if (!has_permission) {
+      LOG_ERROR("Screen recording permission not granted");
+      permanent_error_ = true;
+      return;
+    }
+  }
+
   SckHelper *local_helper = helper_;
   auto handler = ^(SCShareableContent *content, NSError *error) {
+    if (error) {
+      LOG_ERROR("getShareableContent failed: {}",
+                std::string([error.localizedDescription UTF8String]));
+      [local_helper onShareableContentCreated:nil];
+      return;
+    }
     [local_helper onShareableContentCreated:content];
   };
   [SCShareableContent getShareableContentWithCompletionHandler:handler];

src/screen_capturer/windows/screen_capturer_wgc.cpp

@@ -77,12 +77,14 @@ ScreenCapturerWgc::~ScreenCapturerWgc() {
   CleanUp();
 
   if (nv12_frame_) {
-    delete nv12_frame_;
+    delete[] nv12_frame_;
     nv12_frame_ = nullptr;
+    nv12_width_ = 0;
+    nv12_height_ = 0;
   }
 
   if (nv12_frame_scaled_) {
-    delete nv12_frame_scaled_;
+    delete[] nv12_frame_scaled_;
     nv12_frame_scaled_ = nullptr;
   }
 }
@@ -215,13 +217,14 @@ int ScreenCapturerWgc::Resume(int monitor_index) {
 }
 
 int ScreenCapturerWgc::Stop() {
+  running_ = false;
+
   for (int i = 0; i < sessions_.size(); i++) {
     if (sessions_[i].running_) {
       sessions_[i].session_->Stop();
       sessions_[i].running_ = false;
     }
   }
-  running_ = false;
 
   return 0;
 }
@@ -256,18 +259,61 @@ int ScreenCapturerWgc::SwitchTo(int monitor_index) {
 
 void ScreenCapturerWgc::OnFrame(const WgcSession::wgc_session_frame& frame,
                                 int id) {
+  if (!running_ || !on_data_) {
+    return;
+  }
+
+  std::lock_guard<std::mutex> lock(frame_mutex_);
+
   if (on_data_) {
-    if (!nv12_frame_) {
+    if (id < 0 || id >= static_cast<int>(display_info_list_.size())) {
-      nv12_frame_ = new unsigned char[frame.width * frame.height * 3 / 2];
+      LOG_ERROR("WGC OnFrame invalid display index: {}", id);
+      return;
     }
 
-    libyuv::ARGBToNV12((const uint8_t*)frame.data, frame.width * 4,
+    if (!frame.data || frame.row_pitch == 0) {
-                       (uint8_t*)nv12_frame_, frame.width,
+      LOG_ERROR("WGC OnFrame received invalid frame: data={}, row_pitch={}",
-                       (uint8_t*)(nv12_frame_ + frame.width * frame.height),
+                (void*)frame.data, frame.row_pitch);
-                       frame.width, frame.width, frame.height);
+      return;
+    }
 
-    on_data_(nv12_frame_, frame.width * frame.height * 3 / 2, frame.width,
+    // calculate the maximum width that can be contained in one row according to
-             frame.height, display_info_list_[id].name.c_str());
+    // row_pitch (BGRA: 4 bytes per pixel), and take the minimum with logical
+    // width to avoid out-of-bounds access.
+    unsigned int max_width_by_pitch = frame.row_pitch / 4u;
+    int logical_width = static_cast<int>(
+        frame.width < max_width_by_pitch ? frame.width : max_width_by_pitch);
+
+    // libyuv::ARGBToNV12 requires even width/height
+    int even_width = logical_width & ~1;
+    int even_height = static_cast<int>(frame.height) & ~1;
+
+    if (even_width <= 0 || even_height <= 0) {
+      LOG_ERROR(
+          "WGC OnFrame invalid frame size after adjust: width={} "
+          "(frame.width={}, max_by_pitch={}), height={}",
+          logical_width, frame.width, max_width_by_pitch, frame.height);
+      return;
+    }
+
+    int nv12_size = even_width * even_height * 3 / 2;
+
+    if (!nv12_frame_ || nv12_width_ != even_width ||
+        nv12_height_ != even_height) {
+      delete[] nv12_frame_;
+      nv12_frame_ = new unsigned char[nv12_size];
+      nv12_width_ = even_width;
+      nv12_height_ = even_height;
+    }
+
+    libyuv::ARGBToNV12((const uint8_t*)frame.data,
+                       static_cast<int>(frame.row_pitch), (uint8_t*)nv12_frame_,
+                       even_width,
+                       (uint8_t*)(nv12_frame_ + even_width * even_height),
+                       even_width, even_width, even_height);
+
+    on_data_(nv12_frame_, nv12_size, even_width, even_height,
+             display_info_list_[id].name.c_str());
   }
 }
 

src/screen_capturer/windows/screen_capturer_wgc.h

@@ -3,6 +3,7 @@
 
 #include <atomic>
 #include <functional>
+#include <mutex>
 #include <string>
 #include <thread>
 #include <vector>
@@ -65,6 +66,10 @@ class ScreenCapturerWgc : public ScreenCapturer,
 
   unsigned char* nv12_frame_ = nullptr;
   unsigned char* nv12_frame_scaled_ = nullptr;
+  int nv12_width_ = 0;
+  int nv12_height_ = 0;
+
+  std::mutex frame_mutex_;
 };
 }  // namespace crossdesk
 #endif

src/speaker_capturer/macosx/speaker_capturer_macosx.mm

@@ -38,8 +38,50 @@ class SpeakerCapturerMacosx;
 
   if (_owner->cb_ && dataPtr && length > 0 && asbd) {
     std::vector<short> out_pcm16;
-    // ... 数据转换逻辑保持不变 ...
+    if (asbd->mFormatFlags & kAudioFormatFlagIsFloat) {
-    // 调用回调
+      int channels = asbd->mChannelsPerFrame;
+      int samples = (int)(length / sizeof(float));
+      float* floatData = (float*)dataPtr;
+      std::vector<short> pcm16(samples);
+      for (int i = 0; i < samples; ++i) {
+        float v = floatData[i];
+        if (v > 1.0f) v = 1.0f;
+        if (v < -1.0f) v = -1.0f;
+        pcm16[i] = (short)(v * 32767.0f);
+      }
+
+      if (channels > 1) {
+        int mono_samples = samples / channels;
+        out_pcm16.resize(mono_samples);
+        for (int i = 0; i < mono_samples; ++i) {
+          int sum = 0;
+          for (int c = 0; c < channels; ++c) {
+            sum += pcm16[i * channels + c];
+          }
+          out_pcm16[i] = sum / channels;
+        }
+      } else {
+        out_pcm16 = std::move(pcm16);
+      }
+    } else if (asbd->mBitsPerChannel == 16) {
+      int channels = asbd->mChannelsPerFrame;
+      int samples = (int)(length / 2);
+      short* src = (short*)dataPtr;
+      if (channels > 1) {
+        int mono_samples = samples / channels;
+        out_pcm16.resize(mono_samples);
+        for (int i = 0; i < mono_samples; ++i) {
+          int sum = 0;
+          for (int c = 0; c < channels; ++c) {
+            sum += src[i * channels + c];
+          }
+          out_pcm16[i] = sum / channels;
+        }
+      } else {
+        out_pcm16.assign(src, src + samples);
+      }
+    }
+
     size_t frame_bytes = 960;  // 480 * 2
     size_t total_bytes = out_pcm16.size() * sizeof(short);
     unsigned char* p = (unsigned char*)out_pcm16.data();
@@ -48,6 +90,7 @@ class SpeakerCapturerMacosx;
     }
   }
 }
+
 @end
 
 namespace crossdesk {

src/thumbnail/thumbnail.cpp

@@ -156,6 +156,12 @@ Thumbnail::~Thumbnail() {
   }
 }
 
+int Thumbnail::SetThumbnailDpiScale(float dpi_scale) {
+  thumbnail_width_ = static_cast<int>(thumbnail_width_ * dpi_scale);
+  thumbnail_height_ = static_cast<int>(thumbnail_height_ * dpi_scale);
+  return 0;
+}
+
 int Thumbnail::SaveToThumbnail(const char* yuv420p, int width, int height,
                                const std::string& remote_id,
                                const std::string& host_name,

src/thumbnail/thumbnail.h

@@ -33,6 +33,8 @@ class Thumbnail {
   ~Thumbnail();
 
  public:
+  int SetThumbnailDpiScale(float dpi_scale);
+
   int SaveToThumbnail(const char* yuv420p, int width, int height,
                       const std::string& remote_id,
                       const std::string& host_name,

xmake.lua

@@ -29,7 +29,7 @@ if is_mode("debug") then
 end
 
 add_requires("spdlog 1.14.1", {system = false})
-add_requires("imgui v1.91.5-docking", {configs = {sdl3 = true, sdl3_renderer = true}})
+add_requires("imgui v1.92.1-docking", {configs = {sdl3 = true, sdl3_renderer = true}})
 add_requires("openssl3 3.3.2", {system = false})
 add_requires("nlohmann_json 3.11.3")
 add_requires("cpp-httplib v0.26.0", {configs = {ssl = true}})
@@ -182,6 +182,8 @@ target("gui")
     if is_os("windows") then
         add_files("src/gui/tray/*.cpp")
         add_includedirs("src/gui/tray", {public = true})
+    elseif is_os("macosx") then
+        add_files("src/gui/windows/*.mm")
     end
 
 target("crossdesk")