Option to enable/disable pause on focus lost

Author: drhelius

platforms/shared/desktop/application.cpp

@@ -573,14 +573,17 @@ static void sdl_events_app(const SDL_Event* event)
             {
                 case SDL_WINDOWEVENT_FOCUS_GAINED:
                 {
-                    if (!paused_when_focus_lost)
+                    if (config_emulator.pause_when_inactive && !paused_when_focus_lost)
                         emu_resume();
                     break;
                 }
                 case SDL_WINDOWEVENT_FOCUS_LOST:
                 {
-                    paused_when_focus_lost = emu_is_paused();
-                    emu_pause();
+                    if (config_emulator.pause_when_inactive)
+                    {
+                        paused_when_focus_lost = emu_is_paused();
+                        emu_pause();
+                    }
                     break;
                 }
             }

platforms/shared/desktop/config.cpp

@@ -202,6 +202,7 @@ void config_read(void)
     config_emulator.ffwd_speed = read_int("Emulator", "FFWD", 1);
     config_emulator.save_slot = read_int("Emulator", "SaveSlot", 0);
     config_emulator.start_paused = read_bool("Emulator", "StartPaused", false);
+    config_emulator.pause_when_inactive = read_bool("Emulator", "PauseWhenInactive", true);
     config_emulator.savefiles_dir_option = read_int("Emulator", "SaveFilesDirOption", 0);
     config_emulator.savefiles_path = read_string("Emulator", "SaveFilesPath");
     config_emulator.savestates_dir_option = read_int("Emulator", "SaveStatesDirOption", 0);
@@ -422,6 +423,7 @@ void config_write(void)
     write_int("Emulator", "FFWD", config_emulator.ffwd_speed);
     write_int("Emulator", "SaveSlot", config_emulator.save_slot);
     write_bool("Emulator", "StartPaused", config_emulator.start_paused);
+    write_bool("Emulator", "PauseWhenInactive", config_emulator.pause_when_inactive);
     write_int("Emulator", "SaveFilesDirOption", config_emulator.savefiles_dir_option);
     write_string("Emulator", "SaveFilesPath", config_emulator.savefiles_path);
     write_int("Emulator", "SaveStatesDirOption", config_emulator.savestates_dir_option);

platforms/shared/desktop/config.h

@@ -42,6 +42,7 @@ struct config_Emulator
     bool paused = false;
     int save_slot = 0;
     bool start_paused = false;
+    bool pause_when_inactive = true;
     bool ffwd = false;
     int ffwd_speed = 1;
     bool show_info = false;

platforms/shared/desktop/gui_menus.cpp

@@ -498,6 +498,7 @@ static void menu_emulator(void)
         ImGui::Separator();
 
         ImGui::MenuItem("Start Paused", "", &config_emulator.start_paused);
+        ImGui::MenuItem("Pause When Inactive", "", &config_emulator.pause_when_inactive);
 
         ImGui::EndMenu();
     }