Fixed: #1156 Handle window close/application quit cleanly

code/nel/src/3d/driver/opengl/driver_opengl.h

@@ -785,6 +785,7 @@ private:
 	friend bool                        GlWndProc(CDriverGL*, const void*);
 	friend void                        windowDidMove(NSWindow*, CDriverGL*);
 	friend void                        viewDidResize(NSView*, CDriverGL*);
+	friend NSApplicationTerminateReply applicationShouldTerminate(CDriverGL*);
 
 	NLMISC::CCocoaEventEmitter _EventEmitter;
 	NSOpenGLContext*           _ctx;

code/nel/src/3d/driver/opengl/driver_opengl_window.cpp

@@ -26,6 +26,7 @@
 # include <windowsx.h>
 #elif defined(NL_OS_MAC)
 #	import "mac/cocoa_window_delegate.h"
+#	import "mac/cocoa_application_delegate.h"
 #	import <OpenGL/OpenGL.h>
 #elif defined (NL_OS_UNIX)
 # include <GL/gl.h>
@@ -1432,6 +1433,18 @@ bool CDriverGL::createWindow(const GfxMode &mode)
 		return false;
 	}
 
+	// create an application delegate
+	CocoaApplicationDelegate* appDelegate = 
+		[[CocoaApplicationDelegate alloc] initWithDriver:this];
+
+	// set the application delegate, this will handle window/app close events
+	[NSApp setDelegate:appDelegate];
+
+	// bind the close button of the window to applicationShouldTerminate
+	id closeButton = [cocoa_window standardWindowButton:NSWindowCloseButton];
+	[closeButton setAction:@selector(applicationShouldTerminate:)];
+	[closeButton setTarget:appDelegate];
+
 	// set the delegate which will handle window move events
 	[cocoa_window setDelegate:[[CocoaWindowDelegate alloc] initWithDriver:this]];
 

code/nel/src/3d/driver/opengl/mac/cocoa_application_delegate.h

@@ -0,0 +1,33 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#import <Cocoa/Cocoa.h>
+
+namespace NL3D 
+{
+	class CDriverGL;
+	NSApplicationTerminateReply applicationShouldTerminate(CDriverGL*);
+}
+
+@interface CocoaApplicationDelegate : NSObject<NSApplicationDelegate>
+{
+	NL3D::CDriverGL* _driver;
+}
+
+-(id)initWithDriver:(NL3D::CDriverGL*)driver;
+-(NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender;
+
+@end

code/nel/src/3d/driver/opengl/mac/cocoa_application_delegate.mm

@@ -0,0 +1,62 @@
+// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
+// Copyright (C) 2010  Winch Gate Property Limited
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "../driver_opengl.h"
+
+#include "cocoa_application_delegate.h"
+#include "cocoa_event_emitter.h"
+
+namespace NL3D 
+{
+	NSApplicationTerminateReply applicationShouldTerminate(CDriverGL* driver)
+	{
+		// cancel if there is a driver and a custom exit handler set up
+		if(driver && driver->ExitFunc)
+		{
+			driver->ExitFunc();
+			return NSTerminateCancel;
+		}
+
+		NLMISC::CCocoaEventEmitter* eventEmitter = 
+			NLMISC::safe_cast<NLMISC::CCocoaEventEmitter*>(&(driver->_EventEmitter));
+
+		// cancel if there is a driver and cocoa event emitter handles the quit 
+		if(driver && eventEmitter && eventEmitter->handleQuitRequest())
+			return NSTerminateCancel;
+
+		// just let the app terminate if no custom quit handling worked
+		return NSTerminateNow;
+	}
+}
+
+@implementation CocoaApplicationDelegate
+
+-(id)initWithDriver:(NL3D::CDriverGL*)driver
+{
+	if((self = [super init]))
+	{
+		_driver = driver;
+		return self;
+	}
+	return nil;
+}
+
+-(NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication*)sender 
+{
+	return NL3D::applicationShouldTerminate(_driver);
+}
+
+@end

code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.cpp

@@ -410,6 +410,17 @@ bool CCocoaEventEmitter::processMessage(NSEvent* event, CEventServer* server)
 	return true;
 }
 
+bool CCocoaEventEmitter::handleQuitRequest()
+{
+	if(_server)
+	{
+		_server->postEvent(new CEventDestroyWindow(this));
+		return true;
+	}
+
+	return false;
+}
+
 typedef bool (*cocoaProc)(NL3D::IDriver*, const void* e);
 
 void CCocoaEventEmitter::submitEvents(CEventServer& server, bool /* allWins */)

code/nel/src/3d/driver/opengl/mac/cocoa_event_emitter.h

@@ -50,6 +50,7 @@ public:
 	bool         processMessage(NSEvent* event, CEventServer* server = NULL);
 	virtual void submitEvents(CEventServer& server, bool allWindows);
 	virtual void emulateMouseRawMode(bool enable);
+	bool         handleQuitRequest();
 
 	virtual bool copyTextToClipboard(const ucstring &text);
 	virtual bool pasteTextFromClipboard(ucstring &text);

code/nel/src/3d/driver/opengl/mac/cocoa_opengl_view.m

@@ -18,8 +18,6 @@
 
 #import "cocoa_opengl_view.h"
 
-#include <stdio.h>
-
 namespace NL3D 
 {
 	void viewDidResize(NSView* view, CDriverGL* driver)