add ctrl+q shortcut to exit the game from anywhere

src/PowderToySDL.cpp

@@ -646,7 +646,10 @@ void EventProcess(SDL_Event event)
 			engine->Exit();
 		break;
 	case SDL_KEYDOWN:
-		engine->onKeyPress(event.key.keysym.sym, event.key.keysym.unicode, event.key.keysym.mod&KMOD_SHIFT, event.key.keysym.mod&KMOD_CTRL, event.key.keysym.mod&KMOD_ALT);
+		if (event.key.keysym.sym == 'q' && (event.key.keysym.mod&KMOD_CTRL))
+			engine->ConfirmExit();
+		else
+			engine->onKeyPress(event.key.keysym.sym, event.key.keysym.unicode, event.key.keysym.mod&KMOD_SHIFT, event.key.keysym.mod&KMOD_CTRL, event.key.keysym.mod&KMOD_ALT);
 		break;
 	case SDL_KEYUP:
 		engine->onKeyRelease(event.key.keysym.sym, event.key.keysym.unicode, event.key.keysym.mod&KMOD_SHIFT, event.key.keysym.mod&KMOD_CTRL, event.key.keysym.mod&KMOD_ALT);

src/gui/game/GameView.cpp

@@ -1327,22 +1327,6 @@ void GameView::OnMouseUp(int x, int y, unsigned button)
 	UpdateDrawMode();
 }
 
-void GameView::ExitPrompt()
-{
-	class ExitConfirmation: public ConfirmDialogueCallback {
-	public:
-		ExitConfirmation() {}
-		virtual void ConfirmCallback(ConfirmPrompt::DialogueResult result) {
-			if (result == ConfirmPrompt::ResultOkay)
-			{
-				ui::Engine::Ref().Exit();
-			}
-		}
-		virtual ~ExitConfirmation() { }
-	};
-	new ConfirmPrompt("You are about to quit", "Are you sure you want to exit the game?", new ExitConfirmation());
-}
-
 void GameView::ToolTip(ui::Point senderPosition, std::string toolTip)
 {
 	// buttom button tooltips
@@ -1579,7 +1563,7 @@ void GameView::OnKeyPress(int key, Uint16 character, bool shift, bool ctrl, bool
 		break;
 	case SDLK_ESCAPE:
 	case 'q':
-		ExitPrompt();
+		ui::Engine::Ref().ConfirmExit();
 		break;
 	case 'u':
 		c->ToggleAHeat();

src/gui/game/GameView.h

@@ -146,7 +146,6 @@ public:
 	bool CtrlBehaviour(){ return ctrlBehaviour; }
 	bool ShiftBehaviour(){ return shiftBehaviour; }
 	bool AltBehaviour(){ return altBehaviour; }
-	void ExitPrompt();
 	SelectMode GetSelectMode() { return selectMode; }
 	void BeginStampSelection();
 	ui::Point GetPlaceSaveOffset() { return placeSaveOffset; }

src/gui/interface/Engine.cpp

@@ -7,6 +7,7 @@
 #include "Platform.h"
 #include "gui/interface/Window.h"
 #include "gui/interface/Engine.h"
+#include "gui/dialogues/ConfirmPrompt.h"
 #include "graphics/Graphics.h"
 
 using namespace ui;
@@ -73,6 +74,22 @@ void Engine::Exit()
 	running_ = false;
 }
 
+void Engine::ConfirmExit()
+{
+	class ExitConfirmation: public ConfirmDialogueCallback {
+	public:
+		ExitConfirmation() {}
+		virtual void ConfirmCallback(ConfirmPrompt::DialogueResult result) {
+			if (result == ConfirmPrompt::ResultOkay)
+			{
+				ui::Engine::Ref().Exit();
+			}
+		}
+		virtual ~ExitConfirmation() { }
+	};
+	new ConfirmPrompt("You are about to quit", "Are you sure you want to exit the game?", new ExitConfirmation());
+}
+
 void Engine::ShowWindow(Window * window)
 {
 	windowOpenState = 0;

src/gui/interface/Engine.h

@@ -39,6 +39,7 @@ namespace ui
 		inline long unsigned int LastTick() { return lastTick; }
 		inline void LastTick(long unsigned int tick) { lastTick = tick; }
 		void Exit();
+		void ConfirmExit();
 		void Break();
 		void UnBreak();