Merge branch 'quit-button-config' into '517-make-the-application-quit-shortcut-configurable-e-g-f4-alt-f4-alt-q-command-q'

Added a menu option in 'other options' for setting the exit button combo.

See merge request leonstyhre/emulationstation-de!3

es-app/src/guis/GuiMenu.cpp

@@ -1184,6 +1184,33 @@ void GuiMenu::openOtherOptions()
         }
     });
 
+    // Exit button configuration.
+    auto exit_button_config = std::make_shared<OptionListComponent<std::string>>
+            (mWindow, getHelpStyle(), "CHOOSE EXIT BUTTON COMBO", false);
+    std::vector<std::string> exitButtonCombos;
+    exitButtonCombos.push_back("F4");
+    exitButtonCombos.push_back("Alt + F4");
+    exitButtonCombos.push_back("Escape");
+    #if defined(__APPLE__)
+    exitButtonCombos.push_back("\u2318 + Q");
+    #endif
+    #if defined(_WIN64)
+    exitButtonCombos.push_back("Ctrl + F4");
+    #endif
+    for (auto it = exitButtonCombos.cbegin(); it != exitButtonCombos.cend(); it++) {
+        exit_button_config->add(*it, *it, Settings::getInstance()->
+                getString("ExitButtonCombo") == *it);
+    }
+    s->addWithLabel("CHOOSE EXIT BUTTON COMBO", exit_button_config);
+    s->addSaveFunc([exit_button_config, s] {
+        if (exit_button_config->getSelected() !=
+            Settings::getInstance()->getString("ExitButtonCombo")) {
+            Settings::getInstance()->setString("ExitButtonCombo",
+                                               exit_button_config->getSelected());
+            s->setNeedsSaving();
+        }
+    });
+
     // macOS requires root privileges to reboot and power off so it doesn't make much
     // sense to enable this setting and menu entry for that operating system.
     #if !defined(__APPLE__)

es-core/src/InputManager.cpp

@@ -28,6 +28,11 @@
 int SDL_USER_CECBUTTONDOWN = -1;
 int SDL_USER_CECBUTTONUP = -1;
 
+// save button states for combo-button exit support and predefine exit option-function map
+static bool altDown = false;
+static bool ctrlDown = false;
+static bool lguiDown = false;
+
 InputManager* InputManager::sInstance = nullptr;
 
 InputManager::InputManager() : mKeyboardInputConfig(nullptr)
@@ -431,13 +436,42 @@ bool InputManager::parseEvent(const SDL_Event& event, Window* window)
             return true;
         }
         case SDL_KEYDOWN: {
+
+            // save button states for alt and command
+            if (event.key.keysym.sym == SDLK_LALT)
+            {
+                altDown = true;
+            }
+            if (event.key.keysym.sym == SDLK_LCTRL)
+            {
+                ctrlDown = true;
+            }
+            if (event.key.keysym.sym == SDLK_LGUI)
+            {
+                lguiDown = true;
+            }
+
             if (event.key.keysym.sym == SDLK_BACKSPACE && SDL_IsTextInputActive())
                 window->textInput("\b");
 
             if (event.key.repeat)
                 return false;
 
-            if (event.key.keysym.sym == SDLK_F4) {
+            // handle application exit
+            bool exitState = false;
+            std::string exitOption = Settings::getInstance()->getString("ExitButtonCombo");
+            if (exitOption == "F4"){
+                exitState = event.key.keysym.sym == SDLK_F4;
+            }else if (exitOption == "Alt + F4"){
+                exitState = event.key.keysym.sym == SDLK_F4 && altDown;
+            }else if (exitOption == "\u2318 + Q"){
+                exitState = event.key.keysym.sym == SDLK_F4 && lguiDown;
+            }else if (exitOption == "Ctrl + F4"){
+                exitState = event.key.keysym.sym == SDLK_F4 && ctrlDown;
+            }else if (exitOption == "Escape"){
+                exitState = event.key.keysym.sym == SDLK_ESCAPE;
+            }
+            if (exitState) {
                 SDL_Event quit;
                 quit.type = SDL_QUIT;
                 SDL_PushEvent(&quit);
@@ -449,6 +483,21 @@ bool InputManager::parseEvent(const SDL_Event& event, Window* window)
             return true;
         }
         case SDL_KEYUP: {
+
+            // release button states
+            if (event.key.keysym.sym == SDLK_LALT)
+            {
+                altDown = false;
+            }
+            if (event.key.keysym.sym == SDLK_LCTRL)
+            {
+                ctrlDown = false;
+            }
+            if (event.key.keysym.sym == SDLK_LGUI)
+            {
+                lguiDown = false;
+            }
+
             window->input(getInputConfigByDevice(DEVICE_KEYBOARD), Input(DEVICE_KEYBOARD,
                     TYPE_KEY, event.key.keysym.sym, 0, false));
             return true;

es-core/src/Settings.cpp

@@ -260,6 +260,7 @@ void Settings::setDefaults()
     mBoolMap["DisableComposition"] = { true, true };
     #endif
     mBoolMap["DisplayGPUStatistics"] = { false, false };
+    mStringMap["ExitButtonCombo"] = { "F4", "F4" };
     // macOS requires root privileges to reboot and power off so it doesn't make much
     // sense to enable this setting and menu entry for that operating system.
     #if !defined(__APPLE__)