Implemented dialog that asks if the user wants to save before quit (Mac OS X only for now)

Closes #40

ogl_editor/src/Editor.c

@@ -51,6 +51,7 @@ static EditorData s_editorData;
 static CopyData s_copyData;
 static bool reset_tracks = true;
 static char s_filenames[5][2048];
+static char* s_loadedFilename = 0;
 
 static char* s_recentFiles[] =
 {
@@ -86,6 +87,7 @@ void setMostRecentFile(const char* filename)
 		strcpy(s_recentFiles[i+1], s_recentFiles[i]);
 
 	strcpy(s_recentFiles[0], filename);
+	s_loadedFilename = s_recentFiles[0];
 
 	// check if the string was already present and remove it if that is the case by compacting the array
 	
@@ -1226,7 +1228,6 @@ static void onFinishedLoad(const char* path)
 	Editor_update();
 	setWindowTitle(path);
 	setMostRecentFile(path);
-	//Commands_init(getTracks(), getTrackData());
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -1252,22 +1253,41 @@ static void onOpen()
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-static void onSave()
+static bool onSaveDialog()
 {
-	LoadSave_saveRocketXML(getMostRecentFile(), getTrackData()); 
+	char path[2048];
+	int ret;
+
+	if (!(ret = LoadSave_saveRocketXMLDialog(path, getTrackData())))
+		return false;
+
+	setMostRecentFile(path);
+	setWindowTitle(path);
+
+	return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-static void onSaveDialog()
+static void onSave()
 {
-	char path[2048];
+	if (!s_loadedFilename)
+		onSaveDialog();
+	else
+		LoadSave_saveRocketXML(getMostRecentFile(), getTrackData()); 
+}
 
-	if (!LoadSave_saveRocketXMLDialog(path, getTrackData())) 
-		return;
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
-	setMostRecentFile(path);
-	setWindowTitle(path);
+bool Editor_saveBeforeExit()
+{
+	if (s_loadedFilename)
+	{
+		onSave();
+		return true;
+	}
+
+	return onSaveDialog();
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

ogl_editor/src/Editor.h

@@ -14,6 +14,7 @@ void Editor_menuEvent(int menuItem);
 void Editor_scroll(float deltaX, float deltaY, int flags);
 void Editor_updateTrackScroll();
 void Editor_loadRecentFile(int file);
+bool Editor_saveBeforeExit();
 
 char** Editor_getRecentFiles();
 

ogl_editor/src/macosx/RocketView.m

@@ -97,6 +97,48 @@ static int getModifierFlags(int flags)
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+	
+- (void)windowShouldClose:(NSNotification *)aNotification
+{
+	NSAlert *alert = [NSAlert alertWithMessageText:@"\nDo you really want exit?"
+									 defaultButton:@"Yes" alternateButton:NO otherButton:@"No"
+						 informativeTextWithFormat:@""];
+	
+	int result = [alert runModal];
+	
+	if(result == NSOKButton)
+	{
+		
+		[NSApp terminate:self];
+	}
+	else
+	{
+		[[NSNotificationCenter defaultCenter] removeObserver:self];
+		//return NSTerminateCancel;
+	}
+}
+
+- (void)windowWillClose:(NSNotification *)aNotification
+{
+	NSAlert *alert = [NSAlert alertWithMessageText:@"\nDo you really want exit?"
+									 defaultButton:@"Yes" alternateButton:NO otherButton:@"No"
+						 informativeTextWithFormat:@""];
+	
+	int result = [alert runModal];
+	
+	if(result == NSOKButton)
+	{
+		
+		[NSApp terminate:self];
+	}
+	else
+	{
+		[[NSNotificationCenter defaultCenter] removeObserver:self];
+		//return NSTerminateCancel;
+	}
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 - (void)keyDown:(NSEvent *)theEvent 
 {

ogl_editor/src/macosx/delegate.m

@@ -12,6 +12,26 @@ void Window_populateRecentList(char** files);
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
+- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
+{
+	int ret = NSRunAlertPanel(@"Save before exit?", @"Do you want save the work?", @"Yes", @"Cancel", @"No");
+
+	if (ret == NSAlertDefaultReturn)
+	{
+		if (!Editor_saveBeforeExit())
+        	return NSTerminateCancel;
+	
+		return NSTerminateNow;
+	}
+
+    if (ret == NSAlertAlternateReturn)
+        return NSTerminateCancel;
+    
+	return NSTerminateNow;
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification 
 {
 	char** recent_list = Editor_getRecentFiles();