[feat] add server window

src/gui/render.cpp

@@ -939,6 +939,55 @@ int Render::DestroyStreamWindow() {
   return 0;
 }
 
+int Render::CreateServerWindow() {
+  if (server_window_created_) {
+    return 0;
+  }
+  server_ctx_ = ImGui::CreateContext();
+  if (!server_ctx_) {
+    LOG_ERROR("Server context is null");
+    return -1;
+  }
+  ImGui::SetCurrentContext(server_ctx_);
+  if (!SDL_CreateWindowAndRenderer(
+          "Server window", (int)server_window_width_,
+          (int)server_window_height_,
+          SDL_WINDOW_HIGH_PIXEL_DENSITY | SDL_WINDOW_BORDERLESS,
+          &server_window_, &server_renderer_)) {
+    LOG_ERROR("Error creating server_window_ and server_renderer_: {}",
+              SDL_GetError());
+    return -1;
+  }
+  SDL_SetWindowResizable(server_window_, true);
+  // for window region action
+  SDL_SetWindowHitTest(server_window_, HitTestCallback, this);
+  SetupFontAndStyle(false);
+  ImGui_ImplSDL3_InitForSDLRenderer(server_window_, server_renderer_);
+  ImGui_ImplSDLRenderer3_Init(server_renderer_);
+  server_window_created_ = true;
+  server_window_inited_ = true;
+  LOG_INFO("Server window inited");
+  return 0;
+}
+
+int Render::DestroyServerWindow() {
+  if (server_ctx_) {
+    ImGui::SetCurrentContext(server_ctx_);
+  }
+
+  if (server_renderer_) {
+    SDL_DestroyRenderer(server_renderer_);
+  }
+
+  if (server_window_) {
+    SDL_DestroyWindow(server_window_);
+  }
+
+  server_window_created_ = false;
+
+  return 0;
+}
+
 int Render::SetupFontAndStyle(bool main_window) {
   float font_size = 32.0f;
 
@@ -1183,6 +1232,23 @@ int Render::DrawStreamWindow() {
   return 0;
 }
 
+int Render::DrawServerWindow() {
+  if (!server_ctx_) {
+    LOG_ERROR("Server context is null");
+    return -1;
+  }
+  ImGui::SetCurrentContext(server_ctx_);
+  ImGui_ImplSDLRenderer3_NewFrame();
+  ImGui_ImplSDL3_NewFrame();
+  ImGui::NewFrame();
+  ServerWindow();
+  ImGui::Render();
+  SDL_RenderClear(server_renderer_);
+  ImGui_ImplSDLRenderer3_RenderDrawData(ImGui::GetDrawData(), server_renderer_);
+  SDL_RenderPresent(server_renderer_);
+  return 0;
+}
+
 int Render::Run() {
   latest_version_info_ = CheckUpdate();
   if (!latest_version_info_.empty() &&
@@ -1357,12 +1423,17 @@ void Render::MainLoop() {
     UpdateLabels();
     HandleRecentConnections();
     HandleStreamWindow();
+    HandleServerWindow();
 
     DrawMainWindow();
     if (stream_window_inited_) {
       DrawStreamWindow();
     }
 
+    if (need_to_send_host_info_) {
+      DrawServerWindow();
+    }
+
     UpdateInteractions();
 
     if (need_to_send_host_info_) {
@@ -1454,6 +1525,13 @@ void Render::HandleStreamWindow() {
   }
 }
 
+void Render::HandleServerWindow() {
+  if (need_to_create_server_window_) {
+    CreateServerWindow();
+    need_to_create_server_window_ = false;
+  }
+}
+
 void Render::Cleanup() {
   Clipboard::StopMonitoring();
 

src/gui/render.h

@@ -181,6 +181,7 @@ class Render {
   void UpdateInteractions();
   void HandleRecentConnections();
   void HandleStreamWindow();
+  void HandleServerWindow();
   void Cleanup();
   void CleanupFactories();
   void CleanupPeer(std::shared_ptr<SubStreamWindowProperties> props);
@@ -202,6 +203,7 @@ class Render {
   int MainWindow();
   int UpdateNotificationWindow();
   int StreamWindow();
+  int ServerWindow();
   int LocalWindow();
   int RemoteWindow();
   int RecentConnectionsWindow();
@@ -226,11 +228,15 @@ class Render {
   int DestroyMainWindow();
   int CreateStreamWindow();
   int DestroyStreamWindow();
+  int CreateServerWindow();
+  int DestroyServerWindow();
   int SetupFontAndStyle(bool main_window);
   int DestroyMainWindowContext();
   int DestroyStreamWindowContext();
+  int DestroyServerWindowContext();
   int DrawMainWindow();
   int DrawStreamWindow();
+  int DrawServerWindow();
   int ConfirmDeleteConnection();
   int NetTrafficStats(std::shared_ptr<SubStreamWindowProperties>& props);
   void DrawConnectionStatusText(
@@ -487,6 +493,25 @@ class Render {
   float stream_window_dpi_scaling_w_ = 1.0f;
   float stream_window_dpi_scaling_h_ = 1.0f;
 
+  // server window render
+  SDL_Window* server_window_ = nullptr;
+  SDL_Renderer* server_renderer_ = nullptr;
+  ImGuiContext* server_ctx_ = nullptr;
+
+  // server window properties
+  bool need_to_create_server_window_ = false;
+  bool server_window_created_ = false;
+  bool server_window_inited_ = false;
+  int server_window_width_default_ = 600;
+  int server_window_height_default_ = 400;
+  float server_window_width_ = 600;
+  float server_window_height_ = 400;
+  SDL_PixelFormat server_pixformat_ = SDL_PIXELFORMAT_NV12;
+  int server_window_width_real_ = 600;
+  int server_window_height_real_ = 400;
+  float server_window_dpi_scaling_w_ = 1.0f;
+  float server_window_dpi_scaling_h_ = 1.0f;
+
   bool label_inited_ = false;
   bool connect_button_pressed_ = false;
   bool password_validating_ = false;

src/gui/render_callback.cpp

@@ -622,6 +622,7 @@ void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
 
     switch (status) {
       case ConnectionStatus::Connected: {
+        render->need_to_create_server_window_ = true;
         render->need_to_send_host_info_ = true;
         render->start_screen_capturer_ = true;
         render->start_speaker_capturer_ = true;
@@ -647,6 +648,8 @@ void Render::OnConnectionStatusCb(ConnectionStatus status, const char* user_id,
                                  kv.second == ConnectionStatus::Failed ||
                                  kv.second == ConnectionStatus::Disconnected;
                         })) {
+          render->need_to_create_server_window_ = false;
+          render->need_to_send_host_info_ = false;
           render->start_screen_capturer_ = false;
           render->start_speaker_capturer_ = false;
           render->start_mouse_controller_ = false;

src/gui/windows/server_window.cpp

@@ -0,0 +1,23 @@
+#include "render.h"
+
+namespace crossdesk {
+int Render::ServerWindow() {
+  ImGui::SetNextWindowSize(
+      ImVec2(main_window_width_ - 2 * main_child_window_x_padding_,
+             main_window_height_ - status_bar_height_ -
+                 main_window_text_y_padding_ - main_child_window_y_padding_),
+      ImGuiCond_Always);
+  ImGui::SetNextWindowPos(
+      ImVec2(main_child_window_x_padding_, main_window_text_y_padding_),
+      ImGuiCond_Always);
+  ImGui::Begin("##server_window", nullptr,
+               ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize |
+                   ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse |
+                   ImGuiWindowFlags_NoScrollbar |
+                   ImGuiWindowFlags_NoScrollWithMouse);
+  // server window content goes here
+  ImGui::Text("Server Window Content");
+  ImGui::End();
+  return 0;
+}
+}  // namespace crossdesk