[chore] update README

.github/workflows/build.yml

@@ -35,7 +35,7 @@ jobs:
         id: set_deb_version
         run: |
           SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
-          BUILD_DATE=$(date +%Y%m%d)
+          BUILD_DATE=$(TZ=Asia/Shanghai date +%Y%m%d)
           if [[ ! "${VERSION_NUM}" =~ ^[0-9] ]]; then
             LEGAL_VERSION="v0.0.0-${VERSION_NUM}-${BUILD_DATE}-${SHORT_SHA}"
           else
@@ -55,7 +55,7 @@ jobs:
           XMAKE_GLOBALDIR: /data
         run: |
           ls -la $XMAKE_GLOBALDIR
-          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --root -y
+          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --USE_CUDA=true --root -y
           xmake b -vy --root crossdesk
 
       - name: Decode and save certificate
@@ -101,7 +101,7 @@ jobs:
         id: set_deb_version
         run: |
           SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
-          BUILD_DATE=$(date +%Y%m%d)
+          BUILD_DATE=$(TZ=Asia/Shanghai date +%Y%m%d)
           if [[ ! "${VERSION_NUM}" =~ ^[0-9] ]]; then
             LEGAL_VERSION="v0.0.0-${VERSION_NUM}-${BUILD_DATE}-${SHORT_SHA}"
           else
@@ -120,7 +120,7 @@ jobs:
           CUDA_PATH: /usr/local/cuda
           XMAKE_GLOBALDIR: /data
         run: |
-          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --root -y
+          xmake f --CROSSDESK_VERSION=${LEGAL_VERSION} --USE_CUDA=true --root -y
           xmake b -vy --root crossdesk
 
       - name: Decode and save certificate
@@ -164,7 +164,7 @@ jobs:
         run: |
           VERSION="${GITHUB_REF##*/}"
           SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
-          BUILD_DATE=$(date +%Y%m%d)
+          BUILD_DATE=$(TZ=Asia/Shanghai date +%Y%m%d)
           VERSION_NUM="v${VERSION#v}-${BUILD_DATE}-${SHORT_SHA}"
           echo "VERSION_NUM=${VERSION_NUM}" >> $GITHUB_ENV
           echo "VERSION_NUM=${VERSION_NUM}"
@@ -189,7 +189,7 @@ jobs:
 
       - name: Build CrossDesk
         run: |
-          xmake f --CROSSDESK_VERSION=${VERSION_NUM} -y
+          xmake f --CROSSDESK_VERSION=${VERSION_NUM} --USE_CUDA=true -y
           xmake b -vy crossdesk
 
       - name: Decode and save certificate
@@ -229,7 +229,7 @@ jobs:
           $version = $version -replace '^v', ''
           $version = $version -replace '/', '-'
           $SHORT_SHA = $env:GITHUB_SHA.Substring(0,7)
-          $BUILD_DATE = Get-Date -Format "yyyyMMdd"
+          $BUILD_DATE = ([System.TimeZoneInfo]::ConvertTimeBySystemTimeZoneId((Get-Date), "China Standard Time")).ToString("yyyyMMdd")
           echo "VERSION_NUM=v$version-$BUILD_DATE-$SHORT_SHA" >> $env:GITHUB_ENV
           echo "BUILD_DATE=$BUILD_DATE" >> $env:GITHUB_ENV
 
@@ -298,7 +298,7 @@ jobs:
 
       - name: Build CrossDesk
         run: |
-          xmake f --CROSSDESK_VERSION=${{ env.VERSION_NUM }} -y
+          xmake f --CROSSDESK_VERSION=${{ env.VERSION_NUM }} --USE_CUDA=true -y
           xmake b -vy crossdesk
 
       - name: Decode and save certificate
@@ -340,8 +340,8 @@ jobs:
         run: |
           VERSION="${GITHUB_REF##*/}"
           SHORT_SHA=$(echo "${GITHUB_SHA}" | cut -c1-7)
-          BUILD_DATE=$(date +%Y%m%d)
-          BUILD_DATE_ISO=$(date +%Y-%m-%d)
+          BUILD_DATE=$(TZ=Asia/Shanghai date +%Y%m%d)
+          BUILD_DATE_ISO=$(TZ=Asia/Shanghai date +%Y-%m-%d)
           VERSION_NUM="${VERSION#v}-${BUILD_DATE}-${SHORT_SHA}"
           VERSION_WITH_V="v${VERSION_NUM}"
           VERSION_ONLY="${VERSION#v}"

README.md

@@ -11,8 +11,14 @@
 
 [ [English](README_EN.md) / 中文 ]
 
+PC 客户端
 ![sup_example](https://github.com/user-attachments/assets/eeb64fbe-1f07-4626-be1c-b77396beb905)
 
+Web 客户端
+<p align="center">
+  <img width="850" height="550" alt="6bddcbed47ffd4b9988a4037c7f4f524" src="https://github.com/user-attachments/assets/e44f73f9-24ac-46a3-a189-b7f8b6669881" />
+</p>
+
 ## 简介
 
 CrossDesk 是一个轻量级的跨平台远程桌面软件，支持 Web 端控制远程设备。
@@ -70,7 +76,14 @@ git submodule update
 
 xmake b -vy crossdesk
 ```
+编译选项
+```
+--USE_CUDA=true/false: 启用 CUDA 硬件编解码，默认不启用
+--CROSSDESK_VERSION=xxx: 指定 CrossDesk 的版本
 
+# 示例
+xmake f --CROSSDESK_VERSION=1.0.0 --USE_CUDA=true
+```
 运行
 ```
 xmake r crossdesk
@@ -78,13 +91,14 @@ xmake r crossdesk
 
 ### 无 CUDA 环境下的开发支持
 
-对于**未安装 CUDA 环境的 Linux 开发者**，这里提供了预配置的 [Ubuntu 22.04 Docker 镜像](https://hub.docker.com/r/crossdesk/ubuntu22.04)。该镜像内置必要的构建依赖，可在容器中开箱即用，无需额外配置即可直接编译项目。
+对于**未安装 CUDA 环境的 Linux 开发者，如果希望编译后的成果物拥有硬件编解码能力**，这里提供了预配置的 [Ubuntu 22.04 Docker 镜像](https://hub.docker.com/r/crossdesk/ubuntu22.04)。该镜像内置必要的构建依赖，可在容器中开箱即用，无需额外配置即可直接编译项目。
 
 进入容器，下载工程后执行：
 ```
 export CUDA_PATH=/usr/local/cuda
 export XMAKE_GLOBALDIR=/data
 
+xmake f --USE_CUDA=true
 xmake b --root -vy crossdesk
 ```
 
@@ -106,6 +120,7 @@ set CUDA_PATH=path_to_cuda_installdir
 ```
 重新执行：
 ```
+xmake f --USE_CUDA=true
 xmake b -vy crossdesk
 ```
 
@@ -166,7 +181,7 @@ sudo docker run -d \
   -v /path/to/your/certs:/crossdesk-server/certs \
   -v /path/to/your/db:/crossdesk-server/db \
   -v /path/to/your/logs:/crossdesk-server/logs \
-  crossdesk/crossdesk-server:latest
+  crossdesk/crossdesk-server:v1.1.1
 ```
 
 上述命令中，用户需注意的参数如下：

README_EN.md

@@ -11,8 +11,14 @@
 
 [ [中文](README.md) / English ]
 
+PC Client
 ![sup_example](https://github.com/user-attachments/assets/3f17d8f3-7c4a-4b63-bae4-903363628687)
 
+Web Client
+<p align="center">
+  <img width="850" height="550" alt="6bddcbed47ffd4b9988a4037c7f4f524" src="https://github.com/user-attachments/assets/e44f73f9-24ac-46a3-a189-b7f8b6669881" />
+</p>
+
 # Intro
 
 CrossDesk is a lightweight cross-platform remote desktop software.
@@ -73,7 +79,14 @@ git submodule update
 
 xmake b -vy crossdesk
 ```
+Build options:
+```
+--USE_CUDA=true/false: enable CUDA acceleration codec, default: false
+--CROSSDESK_VERSION=xxx: set the version number
 
+# example:
+xmake f --CROSSDESK_VERSION=1.0.0 --USE_CUDA=true
+```
 Run:
 ```
 xmake r crossdesk
@@ -81,7 +94,7 @@ xmake r crossdesk
 
 #### Development Without CUDA Environment
 
-For **Linux developers who do not have a CUDA environment** installed, a preconfigured [Ubuntu 22.04 Docker image](https://hub.docker.com/r/crossdesk/ubuntu22.04) is provided.  
+For **Linux developers who do not have a CUDA environment installed and want to enable hardware codec feature**, a preconfigured [Ubuntu 22.04 Docker image](https://hub.docker.com/r/crossdesk/ubuntu22.04) is provided.  
 This image comes with all required build dependencies and allows you to build the project directly inside the container without any additional setup.
 
 After entering the container, download the project and run:
@@ -89,6 +102,7 @@ After entering the container, download the project and run:
 export CUDA_PATH=/usr/local/cuda
 export XMAKE_GLOBALDIR=/data
 
+xmake f --USE_CUDA=true
 xmake b --root -vy crossdesk
 ```
 
@@ -111,6 +125,7 @@ set CUDA_PATH=path_to_cuda_installdir:
 ```
 Then re-run:
 ```
+xmake f --USE_CUDA=true
 xmake b -vy crossdesk
 ```
 
@@ -174,7 +189,7 @@ sudo docker run -d \
   -v /path/to/your/certs:/crossdesk-server/certs \
   -v /path/to/your/db:/crossdesk-server/db \
   -v /path/to/your/logs:/crossdesk-server/logs \
-  crossdesk/crossdesk-server:v1.1.0
+  crossdesk/crossdesk-server:v1.1.1
 ```
 
 The parameters you need to pay attention to are as follows:

src/app/daemon.cpp

@@ -0,0 +1,313 @@
+#include "daemon.h"
+
+#include <atomic>
+#include <chrono>
+#include <cstring>
+#include <iostream>
+#include <thread>
+#include <vector>
+
+#ifdef _WIN32
+#include <process.h>
+#include <tchar.h>
+#include <windows.h>
+#elif __APPLE__
+#include <fcntl.h>
+#include <limits.h>
+#include <mach-o/dyld.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#else
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <cstring>
+#endif
+
+#ifndef _WIN32
+Daemon* Daemon::instance_ = nullptr;
+#endif
+
+// get executable file path
+static std::string GetExecutablePath() {
+#ifdef _WIN32
+  char path[32768];
+  DWORD length = GetModuleFileNameA(nullptr, path, sizeof(path));
+  if (length > 0 && length < sizeof(path)) {
+    return std::string(path);
+  }
+#elif __APPLE__
+  char path[PATH_MAX];
+  uint32_t size = sizeof(path);
+  if (_NSGetExecutablePath(path, &size) == 0) {
+    char resolved_path[PATH_MAX];
+    if (realpath(path, resolved_path) != nullptr) {
+      return std::string(resolved_path);
+    }
+    return std::string(path);
+  }
+#else
+  char path[PATH_MAX];
+  ssize_t count = readlink("/proc/self/exe", path, sizeof(path) - 1);
+  if (count != -1) {
+    path[count] = '\0';
+    return std::string(path);
+  }
+#endif
+  return "";
+}
+
+Daemon::Daemon(const std::string& name)
+    : name_(name)
+#ifdef _WIN32
+      ,
+      running_(false)
+#else
+      ,
+      running_(true)
+#endif
+{
+}
+
+void Daemon::stop() { running_ = false; }
+
+bool Daemon::isRunning() const { return running_; }
+
+bool Daemon::start(MainLoopFunc loop) {
+#ifdef _WIN32
+  running_ = true;
+  return runWithRestart(loop);
+#elif __APPLE__
+  // macOS: Use child process monitoring (like Windows) to preserve GUI
+  running_ = true;
+  return runWithRestart(loop);
+#else
+  // linux: Daemonize first, then run with restart monitoring
+  instance_ = this;
+
+  // check if running from terminal before fork
+  bool from_terminal =
+      (isatty(STDIN_FILENO) != 0) || (isatty(STDOUT_FILENO) != 0);
+
+  // first fork: detach from terminal
+  pid_t pid = fork();
+  if (pid < 0) {
+    std::cerr << "Failed to fork daemon process" << std::endl;
+    return false;
+  }
+  if (pid > 0) _exit(0);
+
+  if (setsid() < 0) {
+    std::cerr << "Failed to create new session" << std::endl;
+    return false;
+  }
+
+  pid = fork();
+  if (pid < 0) {
+    std::cerr << "Failed to fork daemon process (second fork)" << std::endl;
+    return false;
+  }
+  if (pid > 0) _exit(0);
+
+  umask(0);
+  chdir("/");
+
+  // redirect file descriptors: keep stdout/stderr if from terminal, else
+  // redirect to /dev/null
+  int fd = open("/dev/null", O_RDWR);
+  if (fd >= 0) {
+    dup2(fd, STDIN_FILENO);
+    if (!from_terminal) {
+      dup2(fd, STDOUT_FILENO);
+      dup2(fd, STDERR_FILENO);
+    }
+    if (fd > 2) close(fd);
+  }
+
+  // set up signal handlers
+  signal(SIGTERM, [](int) {
+    if (instance_) instance_->stop();
+  });
+  signal(SIGINT, [](int) {
+    if (instance_) instance_->stop();
+  });
+
+  // ignore SIGPIPE
+  signal(SIGPIPE, SIG_IGN);
+
+  // set up SIGCHLD handler to reap zombie processes
+  struct sigaction sa_chld;
+  sa_chld.sa_handler = [](int) {
+    // reap zombie processes
+    while (waitpid(-1, nullptr, WNOHANG) > 0) {
+      // continue until no more zombie children
+    }
+  };
+  sigemptyset(&sa_chld.sa_mask);
+  sa_chld.sa_flags = SA_RESTART | SA_NOCLDSTOP;
+  sigaction(SIGCHLD, &sa_chld, nullptr);
+
+  running_ = true;
+  return runWithRestart(loop);
+#endif
+}
+
+#ifdef _WIN32
+static int RunLoopCatchCpp(Daemon::MainLoopFunc& loop) {
+  try {
+    loop();
+    return 0;  // normal exit
+  } catch (const std::exception& e) {
+    std::cerr << "Exception caught: " << e.what() << std::endl;
+    return 1;  // c++ exception
+  } catch (...) {
+    std::cerr << "Unknown exception caught" << std::endl;
+    return 1;  // other exception
+  }
+}
+
+static int RunLoopWithSEH(Daemon::MainLoopFunc& loop) {
+  __try {
+    return RunLoopCatchCpp(loop);
+  } __except (EXCEPTION_EXECUTE_HANDLER) {
+    // catch system-level crashes (access violation, divide by zero, etc.)
+    DWORD code = GetExceptionCode();
+    std::cerr << "System crash detected (SEH exception code: 0x" << std::hex
+              << code << std::dec << ")" << std::endl;
+    return 2;  // System crash
+  }
+}
+#endif
+
+// run with restart logic: parent monitors child process and restarts on crash
+bool Daemon::runWithRestart(MainLoopFunc loop) {
+  int restart_count = 0;
+  std::string exe_path = GetExecutablePath();
+  if (exe_path.empty()) {
+    std::cerr
+        << "Failed to get executable path, falling back to direct execution"
+        << std::endl;
+    while (isRunning()) {
+      try {
+        loop();
+        break;
+      } catch (...) {
+        restart_count++;
+        std::cerr << "Exception caught, restarting... (attempt "
+                  << restart_count << ")" << std::endl;
+        std::this_thread::sleep_for(
+            std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+      }
+    }
+    return true;
+  }
+
+  while (isRunning()) {
+#ifdef _WIN32
+    // windows: use CreateProcess to create child process
+    STARTUPINFOA si = {sizeof(si)};
+    PROCESS_INFORMATION pi = {0};
+
+    std::string cmd_line = "\"" + exe_path + "\" --child";
+    std::vector<char> cmd_line_buf(cmd_line.begin(), cmd_line.end());
+    cmd_line_buf.push_back('\0');
+
+    BOOL success = CreateProcessA(
+        nullptr,  // executable file path (specified in command line)
+        cmd_line_buf.data(),  // command line arguments
+        nullptr,              // process security attributes
+        nullptr,              // thread security attributes
+        FALSE,                // don't inherit handles
+        0,                    // creation flags
+        nullptr,              // environment variables (inherit from parent)
+        nullptr,              // current directory
+        &si,                  // startup info
+        &pi                   // process information
+    );
+
+    if (!success) {
+      std::cerr << "Failed to create child process, error: " << GetLastError()
+                << std::endl;
+      std::this_thread::sleep_for(
+          std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+      restart_count++;
+      continue;
+    }
+
+    DWORD exit_code = 0;
+    WaitForSingleObject(pi.hProcess, INFINITE);
+    GetExitCodeProcess(pi.hProcess, &exit_code);
+    CloseHandle(pi.hProcess);
+    CloseHandle(pi.hThread);
+
+    if (exit_code == 0) {
+      break;  // normal exit
+    }
+    restart_count++;
+    std::cerr << "Child process exited with code " << exit_code
+              << ", restarting... (attempt " << restart_count << ")"
+              << std::endl;
+    std::this_thread::sleep_for(
+        std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+#else
+    // linux: use fork + exec to create child process
+    pid_t pid = fork();
+    if (pid == 0) {
+      execl(exe_path.c_str(), exe_path.c_str(), "--child", nullptr);
+      _exit(1);  // exec failed
+    } else if (pid > 0) {
+      int status = 0;
+      pid_t waited_pid = waitpid(pid, &status, 0);
+
+      if (waited_pid < 0) {
+        restart_count++;
+        std::cerr << "waitpid failed, errno: " << errno
+                  << ", restarting... (attempt " << restart_count << ")"
+                  << std::endl;
+        std::this_thread::sleep_for(
+            std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+        continue;
+      }
+
+      if (WIFEXITED(status)) {
+        int exit_code = WEXITSTATUS(status);
+        if (exit_code == 0) {
+          break;  // normal exit
+        }
+        restart_count++;
+        std::cerr << "Child process exited with code " << exit_code
+                  << ", restarting... (attempt " << restart_count << ")"
+                  << std::endl;
+      } else if (WIFSIGNALED(status)) {
+        restart_count++;
+        std::cerr << "Child process crashed with signal " << WTERMSIG(status)
+                  << ", restarting... (attempt " << restart_count << ")"
+                  << std::endl;
+      } else {
+        restart_count++;
+        std::cerr << "Child process exited with unknown status, restarting... "
+                     "(attempt "
+                  << restart_count << ")" << std::endl;
+      }
+      std::this_thread::sleep_for(
+          std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+    } else {
+      std::cerr << "Failed to fork child process" << std::endl;
+      std::this_thread::sleep_for(
+          std::chrono::milliseconds(DAEMON_DEFAULT_RESTART_DELAY_MS));
+      restart_count++;
+    }
+#endif
+  }
+
+  return true;
+}

src/app/daemon.h

@@ -0,0 +1,39 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2025-11-19
+ * Copyright (c) 2025 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _DAEMON_H_
+#define _DAEMON_H_
+
+#include <functional>
+#include <string>
+
+#define DAEMON_DEFAULT_RESTART_DELAY_MS 1000
+
+class Daemon {
+ public:
+  using MainLoopFunc = std::function<void()>;
+
+  Daemon(const std::string& name);
+
+  bool start(MainLoopFunc loop);
+
+  void stop();
+
+  bool isRunning() const;
+
+ private:
+  std::string name_;
+  bool runWithRestart(MainLoopFunc loop);
+
+#ifdef _WIN32
+  bool running_;
+#else
+  static Daemon* instance_;
+  volatile bool running_;
+#endif
+};
+
+#endif

src/app/main.cpp

@@ -6,12 +6,61 @@
 #endif
 #endif
 
-#include "rd_log.h"
+#include <cstring>
+#include <memory>
+#include <string>
+
+#include "config_center.h"
+#include "daemon.h"
+#include "path_manager.h"
 #include "render.h"
 
-int main([[maybe_unused]] int argc, [[maybe_unused]] char* argv[]) {
+int main(int argc, char* argv[]) {
+  // check if running as child process
+  bool is_child = false;
+  for (int i = 1; i < argc; i++) {
+    if (strcmp(argv[i], "--child") == 0) {
+      is_child = true;
+      break;
+    }
+  }
+
+  if (is_child) {
+    // child process: run render directly
     crossdesk::Render render;
     render.Run();
+    return 0;
+  }
 
+  bool enable_daemon = false;
+  auto path_manager = std::make_unique<crossdesk::PathManager>("CrossDesk");
+  if (path_manager) {
+    std::string cert_path =
+        (path_manager->GetCertPath() / "crossdesk.cn_root.crt").string();
+    std::string cache_path = path_manager->GetCachePath().string();
+    crossdesk::ConfigCenter config_center(cache_path + "/config.ini",
+                                          cert_path);
+    enable_daemon = config_center.IsEnableDaemon();
+  }
+
+  if (enable_daemon) {
+    // start daemon with restart monitoring
+    Daemon daemon("CrossDesk");
+
+    // define main loop function: run render and stop daemon on normal exit
+    Daemon::MainLoopFunc main_loop = [&daemon]() {
+      crossdesk::Render render;
+      render.Run();
+      daemon.stop();
+    };
+
+    // start daemon and return result
+    bool success = daemon.start(main_loop);
+    return success ? 0 : 1;
+  }
+
+  // run without daemon: direct execution
+  crossdesk::Render render;
+  render.Run();
   return 0;
 }

src/config_center/config_center.cpp

@@ -53,6 +53,7 @@ int ConfigCenter::Load() {
       ini_.GetBoolValue(section_, "enable_self_hosted", enable_self_hosted_);
   enable_autostart_ =
       ini_.GetBoolValue(section_, "enable_autostart", enable_autostart_);
+  enable_daemon_ = ini_.GetBoolValue(section_, "enable_daemon", enable_daemon_);
   enable_minimize_to_tray_ = ini_.GetBoolValue(
       section_, "enable_minimize_to_tray", enable_minimize_to_tray_);
 
@@ -76,6 +77,7 @@ int ConfigCenter::Save() {
   ini_.SetValue(section_, "cert_file_path", cert_file_path_.c_str());
   ini_.SetBoolValue(section_, "enable_self_hosted", enable_self_hosted_);
   ini_.SetBoolValue(section_, "enable_autostart", enable_autostart_);
+  ini_.SetBoolValue(section_, "enable_daemon", enable_daemon_);
   ini_.SetBoolValue(section_, "enable_minimize_to_tray",
                     enable_minimize_to_tray_);
 
@@ -249,6 +251,18 @@ int ConfigCenter::SetAutostart(bool enable_autostart) {
   return 0;
 }
 
+int ConfigCenter::SetDaemon(bool enable_daemon) {
+  enable_daemon_ = enable_daemon;
+
+  ini_.SetBoolValue(section_, "enable_daemon", enable_daemon_);
+  SI_Error rc = ini_.SaveFile(config_path_.c_str());
+  if (rc < 0) {
+    return -1;
+  }
+
+  return 0;
+}
+
 // getters
 
 ConfigCenter::LANGUAGE ConfigCenter::GetLanguage() const { return language_; }
@@ -304,4 +318,6 @@ bool ConfigCenter::IsSelfHosted() const { return enable_self_hosted_; }
 bool ConfigCenter::IsMinimizeToTray() const { return enable_minimize_to_tray_; }
 
 bool ConfigCenter::IsEnableAutostart() const { return enable_autostart_; }
+
+bool ConfigCenter::IsEnableDaemon() const { return enable_daemon_; }
 }  // namespace crossdesk

src/config_center/config_center.h

@@ -41,6 +41,7 @@ class ConfigCenter {
   int SetSelfHosted(bool enable_self_hosted);
   int SetMinimizeToTray(bool enable_minimize_to_tray);
   int SetAutostart(bool enable_autostart);
+  int SetDaemon(bool enable_daemon);
 
   // read config
 
@@ -62,6 +63,7 @@ class ConfigCenter {
   bool IsSelfHosted() const;
   bool IsMinimizeToTray() const;
   bool IsEnableAutostart() const;
+  bool IsEnableDaemon() const;
 
   int Load();
   int Save();
@@ -89,6 +91,7 @@ class ConfigCenter {
   bool enable_self_hosted_ = false;
   bool enable_minimize_to_tray_ = false;
   bool enable_autostart_ = false;
+  bool enable_daemon_ = false;
 };
 }  // namespace crossdesk
 #endif

src/device_controller/keyboard/linux/keyboard_capturer.cpp

@@ -51,7 +51,16 @@ int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
 }
 
 int KeyboardCapturer::Unhook() {
+  g_on_key_action = nullptr;
+  g_user_ptr = nullptr;
+
   running_ = false;
+
+  if (display_) {
+    XSelectInput(display_, DefaultRootWindow(display_), 0);
+    XFlush(display_);
+  }
+
   return 0;
 }
 

src/device_controller/keyboard/mac/keyboard_capturer.cpp

@@ -10,6 +10,10 @@ static void* g_user_ptr = nullptr;
 
 CGEventRef eventCallback(CGEventTapProxy proxy, CGEventType type,
                          CGEventRef event, void* userInfo) {
+  if (!g_on_key_action) {
+    return event;
+  }
+
   KeyboardCapturer* keyboard_capturer = (KeyboardCapturer*)userInfo;
   if (!keyboard_capturer) {
     LOG_ERROR("keyboard_capturer is nullptr");
@@ -120,12 +124,23 @@ int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
 }
 
 int KeyboardCapturer::Unhook() {
+  g_on_key_action = nullptr;
+  g_user_ptr = nullptr;
+
+  if (event_tap_) {
+    CGEventTapEnable(event_tap_, false);
+  }
+
   if (run_loop_source_) {
+    CFRunLoopRemoveSource(CFRunLoopGetCurrent(), run_loop_source_,
+                          kCFRunLoopCommonModes);
     CFRelease(run_loop_source_);
+    run_loop_source_ = nullptr;
   }
 
   if (event_tap_) {
     CFRelease(event_tap_);
+    event_tap_ = nullptr;
   }
 
   return 0;

src/device_controller/keyboard/windows/keyboard_capturer.cpp

@@ -39,7 +39,12 @@ int KeyboardCapturer::Hook(OnKeyAction on_key_action, void* user_ptr) {
 }
 
 int KeyboardCapturer::Unhook() {
+  if (keyboard_hook_) {
+    g_on_key_action = nullptr;
+    g_user_ptr = nullptr;
     UnhookWindowsHookEx(keyboard_hook_);
+    keyboard_hook_ = nullptr;
+  }
   return 0;
 }
 

src/gui/assets/layouts/layout.h

@@ -20,6 +20,15 @@
 #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
@@ -27,6 +36,7 @@
 #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
@@ -49,6 +59,8 @@
 #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

src/gui/assets/localization/localization.h

@@ -171,6 +171,11 @@ static std::vector<std::string> confirm_delete_connection = {
 
 static std::vector<std::string> enable_autostart = {
     reinterpret_cast<const char*>(u8"开机自启:"), "Auto Start:"};
+static std::vector<std::string> enable_daemon = {
+    reinterpret_cast<const char*>(u8"启用守护进程:"), "Enable Daemon:"};
+static std::vector<std::string> takes_effect_after_restart = {
+    reinterpret_cast<const char*>(u8"重启后生效"),
+    "Takes effect after restart"};
 #if _WIN32
 static std::vector<std::string> minimize_to_tray = {
     reinterpret_cast<const char*>(u8"退出时最小化到系统托盘:"),

src/gui/render.cpp

@@ -261,6 +261,7 @@ int Render::LoadSettingsFromCacheFile() {
   enable_srtp_ = config_center_->IsEnableSrtp();
   enable_self_hosted_ = config_center_->IsSelfHosted();
   enable_autostart_ = config_center_->IsEnableAutostart();
+  enable_daemon_ = config_center_->IsEnableDaemon();
   enable_minimize_to_tray_ = config_center_->IsMinimizeToTray();
 
   language_button_value_last_ = language_button_value_;
@@ -1339,6 +1340,7 @@ void Render::ProcessSdlEvent(const SDL_Event& event) {
         is_client_mode_ = false;
         reload_recent_connections_ = true;
         fullscreen_button_pressed_ = false;
+        start_keyboard_capturer_ = false;
         just_created_ = false;
         recent_connection_image_save_time_ = SDL_GetTicks();
       } else {

src/gui/render.h

@@ -465,6 +465,8 @@ class Render {
   bool enable_self_hosted_last_ = false;
   bool enable_autostart_ = false;
   bool enable_autostart_last_ = false;
+  bool enable_daemon_ = false;
+  bool enable_daemon_last_ = false;
   bool enable_minimize_to_tray_ = false;
   bool enable_minimize_to_tray_last_ = false;
   char signal_server_ip_self_[256] = "";

src/gui/render_callback.cpp

@@ -1,3 +1,5 @@
+#include <cmath>
+
 #include "device_controller.h"
 #include "localization.h"
 #include "platform.h"
@@ -101,28 +103,39 @@ int Render::ProcessMouseEvent(const SDL_Event& event) {
                last_mouse_event.button.y >= props->stream_render_rect_.y &&
                last_mouse_event.button.y <= props->stream_render_rect_.y +
                                                 props->stream_render_rect_.h) {
-      int scroll_x = event.wheel.x;
-      int scroll_y = event.wheel.y;
+      float scroll_x = event.wheel.x;
+      float scroll_y = event.wheel.y;
       if (event.wheel.direction == SDL_MOUSEWHEEL_FLIPPED) {
         scroll_x = -scroll_x;
         scroll_y = -scroll_y;
       }
 
       remote_action.type = ControlType::mouse;
-      if (scroll_x == 0) {
+
+      auto roundUp = [](float value) -> int {
+        if (value > 0) {
+          return static_cast<int>(std::ceil(value));
+        } else if (value < 0) {
+          return static_cast<int>(std::floor(value));
+        }
+        return 0;
+      };
+
+      if (std::abs(scroll_y) >= std::abs(scroll_x)) {
         remote_action.m.flag = MouseFlag::wheel_vertical;
-        remote_action.m.s = scroll_y;
-      } else if (scroll_y == 0) {
+        remote_action.m.s = roundUp(scroll_y);
+      } else {
         remote_action.m.flag = MouseFlag::wheel_horizontal;
-        remote_action.m.s = scroll_x;
+        remote_action.m.s = roundUp(scroll_x);
       }
 
       render_width = props->stream_render_rect_.w;
       render_height = props->stream_render_rect_.h;
       remote_action.m.x =
-          (float)(event.button.x - props->stream_render_rect_.x) / render_width;
+          (float)(last_mouse_event.button.x - props->stream_render_rect_.x) /
+          render_width;
       remote_action.m.y =
-          (float)(event.button.y - props->stream_render_rect_.y) /
+          (float)(last_mouse_event.button.y - props->stream_render_rect_.y) /
           render_height;
 
       std::string msg = remote_action.to_json();
@@ -225,8 +238,6 @@ void Render::OnReceiveVideoBufferCb(const XVideoFrame* video_frame,
     props->video_height_ = video_frame->height;
     props->video_size_ = video_frame->size;
 
-    LOG_ERROR("receive: {}x{}", props->video_width_, props->video_height_);
-
     if (need_to_update_render_rect) {
       render->UpdateRenderRect();
     }

src/gui/windows/main_settings_window.cpp

@@ -158,6 +158,7 @@ int Render::SettingWindow() {
             video_encode_format_items, IM_ARRAYSIZE(video_encode_format_items));
       }
 
+#if USE_CUDA && !defined(__aarch64__) && !defined(__arm__)
       ImGui::Separator();
 
       {
@@ -176,6 +177,7 @@ int Render::SettingWindow() {
         ImGui::Checkbox("##enable_hardware_video_codec",
                         &enable_hardware_video_codec_);
       }
+#endif
 
       ImGui::Separator();
 
@@ -252,6 +254,34 @@ int Render::SettingWindow() {
         ImGui::SetCursorPosY(settings_items_offset);
         ImGui::Checkbox("##enable_autostart_", &enable_autostart_);
       }
+
+      ImGui::Separator();
+
+      {
+        settings_items_offset += settings_items_padding;
+        ImGui::SetCursorPosY(settings_items_offset + 4);
+
+        ImGui::Text(
+            "%s",
+            localization::enable_daemon[localization_language_index_].c_str());
+
+        if (ConfigCenter::LANGUAGE::CHINESE == localization_language_) {
+          ImGui::SetCursorPosX(ENABLE_DAEMON_PADDING_CN);
+        } else {
+          ImGui::SetCursorPosX(ENABLE_DAEMON_PADDING_EN);
+        }
+        ImGui::SetCursorPosY(settings_items_offset);
+        ImGui::Checkbox("##enable_daemon_", &enable_daemon_);
+        if (ImGui::IsItemHovered()) {
+          ImGui::BeginTooltip();
+          ImGui::SetWindowFontScale(0.5f);
+          ImGui::Text("%s", localization::takes_effect_after_restart
+                                [localization_language_index_]
+                                    .c_str());
+          ImGui::SetWindowFontScale(1.0f);
+          ImGui::EndTooltip();
+        }
+      }
 #if _WIN32
       ImGui::Separator();
 
@@ -373,6 +403,13 @@ int Render::SettingWindow() {
         }
         enable_autostart_last_ = enable_autostart_;
 
+        if (enable_daemon_) {
+          config_center_->SetDaemon(true);
+        } else {
+          config_center_->SetDaemon(false);
+        }
+        enable_daemon_last_ = enable_daemon_;
+
 #if _WIN32
         if (enable_minimize_to_tray_) {
           config_center_->SetMinimizeToTray(true);

xmake.lua

@@ -7,6 +7,12 @@ option("CROSSDESK_VERSION")
     set_description("Set CROSSDESK_VERSION for build")
 option_end()
 
+option("USE_CUDA")
+    set_default(false)
+    set_showmenu(true)
+    set_description("Use CUDA for hardware codec acceleration")
+option_end()
+
 add_rules("mode.release", "mode.debug")
 set_languages("c++17")
 set_encodings("utf-8")
@@ -16,6 +22,8 @@ set_encodings("utf-8")
 -- add_cxxflags("/W4", "/WX")
 
 add_defines("UNICODE")
+add_defines("USE_CUDA=" .. (is_config("USE_CUDA", true) and "1" or "0"))
+
 if is_mode("debug") then
     add_defines("CROSSDESK_DEBUG")
 end
@@ -179,4 +187,5 @@ target("gui")
 target("crossdesk")
     set_kind("binary")
     add_deps("rd_log", "common", "gui")
-    add_files("src/app/main.cpp")
+    add_files("src/app/*.cpp")
+    add_includedirs("src/app", {public = true})