Patch #715991: Quit Confirmation Dialog (feature request #642721) with some tweaks by me

svn-id: r9210

common/gameDetector.cpp

@@ -192,6 +192,7 @@ GameDetector::GameDetector() {
 	_save_slot = 0;
 	
 	_saveconfig = false;
+	_confirmExit = false;
 	
 #ifndef _WIN32_WCE
 	_gfx_mode = GFX_DOUBLESIZE;
@@ -301,6 +302,8 @@ void GameDetector::updateconfig() {
 
 	_talkSpeed = g_config->getInt("talkspeed", _talkSpeed);
 
+	_confirmExit = g_config->getBool("confirm_exit", _confirmExit ? true : false);
+
 	_multi_midi = g_config->getBool ("multi_midi", _multi_midi);
 	_native_mt32 = g_config->getBool ("native_mt32", _native_mt32);
 }

common/gameDetector.h

@@ -148,6 +148,7 @@ public:
 	int _save_slot;
 	
 	bool _saveconfig;
+	bool _confirmExit;
 
 public:
 	OSystem *createSystem();

scumm/dialogs.cpp

@@ -681,6 +681,21 @@ PauseDialog::PauseDialog(NewGui *gui, Scumm *scumm)
 	: InfoDialog(gui, scumm, 10) {
 }
 
+ConfirmExitDialog::ConfirmExitDialog(NewGui *gui, Scumm *scumm)
+	: InfoDialog(gui, scumm, "Do you really want to quit (y/n)?") {
+}
+
+void ConfirmExitDialog::handleKeyDown(uint16 ascii, int keycode, int modifiers) {
+	if (tolower(ascii) == 'n') { // Close exit dialog if n key is pressed
+		setResult(0);
+		close();
+	} else if (tolower(ascii) == 'y') { // Quit if y key is pressed
+		setResult(1);
+		close();
+	} else
+		ScummDialog::handleKeyDown(ascii, keycode, modifiers);
+}
+
 #ifdef _WIN32_WCE
 
 #pragma mark -

scumm/dialogs.h

@@ -167,6 +167,12 @@ public:
 		}
 };
 
+class ConfirmExitDialog : public InfoDialog {
+public:
+	ConfirmExitDialog(NewGui *gui, Scumm *scumm);
+	virtual void handleKeyDown(uint16 ascii, int keycode, int modifiers);
+};
+
 #ifdef _WIN32_WCE
 
 class KeysDialog : public ScummDialog {

scumm/scumm.h

@@ -387,16 +387,23 @@ public:
 	// GUI
 	NewGui *_newgui;
 
+protected:
 	Dialog *_pauseDialog;
 	Dialog *_optionsDialog;
 	Dialog *_saveLoadDialog;
+	Dialog *_confirmExitDialog;
+public:
 	// Debugger access this one, too...
 	ConsoleDialog *_debuggerDialog;
 
+protected:
 	int runDialog(Dialog *dialog);
+	void confirmexitDialog();
 	void pauseDialog();
 	void saveloadDialog();
-	void optionsDialog();
+public:
+	void optionsDialog();	// Used by SaveLoadDialog::handleCommand()
+protected:
 	char displayError(bool showCancel, const char *message, ...);
 
 protected:
@@ -1060,6 +1067,7 @@ protected:
 
 public:
 	bool _noSubtitles;	// Whether to skip all subtitles
+	bool _confirmExit;
 protected:
 
 	void initCharset(int charset);

scumm/scummvm.cpp

@@ -232,6 +232,7 @@ Scumm::Scumm (GameDetector *detector, OSystem *syst)
 	_pauseDialog = NULL;
 	_optionsDialog = NULL;
 	_saveLoadDialog = NULL;
+	_confirmExitDialog = NULL;
 	_debuggerDialog = NULL;
 	_fastMode = 0;
 	memset(&_rnd, 0, sizeof(RandomSource));
@@ -394,6 +395,7 @@ Scumm::Scumm (GameDetector *detector, OSystem *syst)
 	_charsetBufPos = 0;
 	memset(_charsetBuffer, 0, sizeof(_charsetBuffer));
 	_noSubtitles = false;
+	_confirmExit = false;
 	_numInMsgStack = 0;
 	_msgPtrToAdd = NULL;
 	_messagePtr = NULL;
@@ -545,6 +547,7 @@ Scumm::Scumm (GameDetector *detector, OSystem *syst)
 	setFeatures(detector->_game.features);
 
 	_noSubtitles = detector->_noSubtitles;
+	_confirmExit = detector->_confirmExit;
 	_defaultTalkDelay = detector->_talkSpeed;
 	_use_adlib = detector->_use_adlib;
 	_language = detector->_language;
@@ -709,6 +712,7 @@ Scumm::~Scumm () {
 	delete _pauseDialog;
 	delete _optionsDialog;
 	delete _saveLoadDialog;
+	delete _confirmExitDialog;
 
 	delete _sound;
 	delete _imuse;
@@ -1459,6 +1463,9 @@ void Scumm::parseEvents() {
 			break;
 	
 		case OSystem::EVENT_QUIT:
+			if(_confirmExit)
+				confirmexitDialog();
+			else
 			_quit = true;
 			break;
 	
@@ -2301,6 +2308,15 @@ void Scumm::optionsDialog() {
 	runDialog(_optionsDialog);
 }
 
+void Scumm::confirmexitDialog() {
+	if (!_confirmExitDialog)
+		_confirmExitDialog = new ConfirmExitDialog(_newgui, this);
+
+	if (runDialog(_confirmExitDialog)) {
+		_quit = true;
+	}
+}
+
 char Scumm::displayError(bool showCancel, const char *message, ...) {
 #ifdef __PALM_OS__
 	char buf[256], result; // 1024 is too big overflow the stack