Qt: Fix emulator crashing when full screen if a game is not running

CHANGES

@@ -3,6 +3,7 @@ Features:
  - Support for gamepad axes, e.g. analog sticks or triggers
 Bugfixes:
  - Qt: Fix issue with set frame sizes being the wrong height
+ - Qt: Fix emulator crashing when full screen if a game is not running
 
 0.1.0: (2014-12-13)
  - Initial release

src/platform/qt/GameController.cpp

@@ -208,6 +208,9 @@ void GameController::closeGame() {
 }
 
 bool GameController::isPaused() {
+	if (!m_gameOpen) {
+		return false;
+	}
 	return GBAThreadIsPaused(&m_threadContext);
 }
 

src/platform/qt/Window.cpp

@@ -285,7 +285,7 @@ void Window::toggleFullScreen() {
 	} else {
 		showFullScreen();
 #ifndef Q_OS_MAC
-		if (!m_controller->isPaused()) {
+		if (m_controller->isLoaded() && !m_controller->isPaused()) {
 			menuBar()->hide();
 		}
 #endif
@@ -303,6 +303,12 @@ void Window::gameStarted(GBAThread* context) {
 	attachWidget(m_display);
 	m_screenWidget->setScaledContents(true);
 
+#ifndef Q_OS_MAC
+	if(isFullScreen()) {
+		menuBar()->hide();
+	}
+#endif
+
 	m_fpsTimer.start();
 }