Fixed issue with shared OpenGL context not being activated.

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1183 4e206d99-4929-0410-ac5d-dfc041789085

src/SFML/Window/Cocoa/AppController.h

@@ -30,8 +30,6 @@
 #import <Cocoa/Cocoa.h>
 
 
-#define SharedAppController [AppController sharedController]
-
 // Fade operations
 enum {
 	FillScreen,

src/SFML/Window/Cocoa/AppController.mm

@@ -33,9 +33,6 @@
 #import <iostream>
 
 
-// AppController singleton object
-static AppController *shared = nil;
-
 
 /* setAppleMenu disappeared from the headers in 10.4 */
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
@@ -83,6 +80,11 @@ static AppController *shared = nil;
 		// Make the app autorelease pool
 		myMainPool = [[NSAutoreleasePool alloc] init];
 		
+		if (!myMainPool) {
+			[self release];
+			throw std::bad_alloc();
+		}
+		
 		// Don't go on if the user handles the app
 		if (![NSApp isRunning])
 		{
@@ -96,7 +98,10 @@ static AppController *shared = nil;
 			}
 			
 			// Make the app
-			[NSApplication sharedApplication];
+			if (![NSApplication sharedApplication]) {
+				[self release];
+				throw std::bad_alloc();
+			}
 			
 			NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
 			// I want to go back to the desktop mode
@@ -134,7 +139,7 @@ static AppController *shared = nil;
 - (void)dealloc
 {
 	[[NSNotificationCenter defaultCenter] removeObserver:self];
-	[myFullscreenWrapper release];
+	[myMainPool release];
 	[super dealloc];
 }
 
@@ -144,9 +149,8 @@ static AppController *shared = nil;
 ////////////////////////////////////////////////////////////
 + (AppController *)sharedController
 {
-	if (nil == shared)
+	// AppController singleton object
-		shared = [[AppController alloc] init];
+	static AppController *shared = [[AppController alloc] init];
-	
 	return shared;
 }
 
@@ -216,10 +220,6 @@ static AppController *shared = nil;
 {
 	if (myFullscreenWrapper)
 		[self setFullscreenWindow:nil mode:NULL];
-	
-	// FIXME: should I really do this ? what about the user owned windows ?
-	// And is this really useful as the application is about to exit ?
-	[NSApp makeWindowsPerform:@selector(close) inOrder:NO];
 }
 
 ////////////////////////////////////////////////////////////
@@ -266,10 +266,10 @@ static AppController *shared = nil;
 				  keyEquivalent:@"h"];
 	
 	// + 'Hide other' menu item
-	menuItem = reinterpret_cast <NSMenuItem *> ([appleMenu addItemWithTitle:@"Hide Others"
+	menuItem = (NSMenuItem *)[appleMenu addItemWithTitle:@"Hide Others"
 												  action:@selector(hideOtherApplications:)
-														 keyEquivalent:@"h"]);
+										   keyEquivalent:@"h"];
-	[menuItem setKeyEquivalentModifierMask:(NSAlternateKeyMask|NSCommandKeyMask)];
+	[menuItem setKeyEquivalentModifierMask:NSAlternateKeyMask | NSCommandKeyMask];
 	
 	// + 'Show all' menu item
 	[appleMenu addItemWithTitle:@"Show All"

src/SFML/Window/Cocoa/GLKit.h

@@ -34,7 +34,7 @@
 ////////////////////////////////////////////////////////////
 @interface GLContext : NSOpenGLContext
 {
-	GLContext *mySharedContext;
+	
 }
 
 ////////////////////////////////////////////////////////////
@@ -94,27 +94,13 @@
 
 @end
 
-////////////////////////////////////////////////////////////
-/// Cocoa window implementation to let fullscreen windows
-/// catch key events
-////////////////////////////////////////////////////////////
-@interface GLWindow : NSWindow
-
-////////////////////////////////////////////////////////////
-/// Technical note: this class must neither contain new members
-/// nor methods. It is used transparently as a NSWindow object
-/// by WindowWrapper. Not following this rule could result
-/// in a segmentation fault or data corruption.
-////////////////////////////////////////////////////////////
-
-@end
 
 ////////////////////////////////////////////////////////////
 /// WindowWrapper class : handles both imported and self-built windows
 ////////////////////////////////////////////////////////////
 @interface WindowWrapper : NSObject
 {
-	GLWindow *myWindow;
+	NSWindow *myWindow;
 	GLView *myView;
 	sf::VideoMode myFullscreenMode;
 	bool myIsFullscreen;

src/SFML/Window/Cocoa/GLKit.mm

@@ -29,7 +29,6 @@
 #import <SFML/Window/Cocoa/AppController.h>
 #import <SFML/Window/VideoMode.hpp>
 #import <SFML/Window/WindowStyle.hpp>
-#import <SFML/System/Sleep.hpp>
 #import <OpenGL/gl.h>
 #import <iostream>
 
@@ -39,26 +38,21 @@
 ////////////////////////////////////////////////////////////
 @implementation GLContext
 
-static GLContext *sharedCtx = nil;
 
 ////////////////////////////////////////////////////////////
 /// Return the shared OpenGL context instance (making one if needed)
 ////////////////////////////////////////////////////////////
 + (id)sharedContext
-{
-	if (sharedCtx == nil)
 {
 	// Make a new context with the default parameters
-		sf::WindowSettings params(0, 0, 0);
+	sf::WindowSettings params;
-		sharedCtx = [[GLContext alloc] initWithAttributes:params sharedContext:nil];
+	static GLContext *sharedCtx = [[GLContext alloc] initWithAttributes:params sharedContext:nil];
-	}
-	
 	return sharedCtx;
 }
 
 - (void)dealloc
 {
-	[mySharedContext release];
+	[[GLContext sharedContext] release];
 	[super dealloc];
 }
 
@@ -66,7 +60,7 @@ static GLContext *sharedCtx = nil;
 /// Make a new OpenGL context according to the @attribs settings
 /// and the shared context @context
 ////////////////////////////////////////////////////////////
-- (id)initWithAttributes:(sf::WindowSettings&)attribs sharedContext:(GLContext *)context
+- (id)initWithAttributes:(sf::WindowSettings&)attribs sharedContext:(GLContext *)sharedContext
 {
 	// Note about antialiasing and other context attributes :
 	// OpenGL context sharing does not allow the shared contexts to use different attributes.
@@ -94,15 +88,15 @@ static GLContext *sharedCtx = nil;
 	// windowed context (even fullscreen mode uses a window)
 	ctxtAttribs[idx++] = NSOpenGLPFAWindow;
 	
-	// Color size ; usually 32 bits per pixel
+	// Color buffer bits ; usually 32 bits per pixel
 	ctxtAttribs[idx++] = NSOpenGLPFAColorSize;
 	ctxtAttribs[idx++] = (NSOpenGLPixelFormatAttribute) sf::VideoMode::GetDesktopMode().BitsPerPixel;
 	
-	// Z-buffer size
+	// Depth buffer size
 	ctxtAttribs[idx++] = NSOpenGLPFADepthSize;
 	ctxtAttribs[idx++] = (NSOpenGLPixelFormatAttribute) attribs.DepthBits;
 	
-	// Stencil bits (I don't really know what's that...)
+	// Stencil buffer bits
 	ctxtAttribs[idx++] = NSOpenGLPFAStencilSize;
 	ctxtAttribs[idx++] = (NSOpenGLPixelFormatAttribute) attribs.StencilBits;
 	
@@ -110,9 +104,7 @@ static GLContext *sharedCtx = nil;
 	
 	if (myPixelFormat) {
 		self = [super initWithFormat:myPixelFormat
-									shareContext:context];
+						shareContext:[sharedContext retain]];
-		
-		mySharedContext = [context retain];
 		
 		// Get the effective properties from our OpenGL context
 		GLint tmpDepthSize = 0, tmpStencilBits = 0, tmpAntialiasingLevel = 0;
@@ -172,7 +164,13 @@ static GLContext *sharedCtx = nil;
 		[self setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
 		
 		// make the OpenGL context
-		myGLContext = [[GLContext alloc] initWithAttributes:settings sharedContext:sharedCtx];
+		myGLContext = [[GLContext alloc] initWithAttributes:settings
+											  sharedContext:[GLContext sharedContext]];
+		
+		if (!myGLContext) {
+			[self release];
+			return nil;
+		}
 		
 		// We need to update the OpenGL view when it's resized
 		NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
@@ -417,10 +415,10 @@ static GLContext *sharedCtx = nil;
 
 
 ////////////////////////////////////////////////////////////
-/// Cocoa window implementation to let fullscreen windows
+/// Cocoa window category to let fullscreen windows
 /// catch key events
 ////////////////////////////////////////////////////////////
-@implementation GLWindow
+@implementation NSWindow (GLWindow)
 
 - (BOOL)canBecomeKeyWindow
 {
@@ -501,7 +499,7 @@ static GLContext *sharedCtx = nil;
 	if (self)
 	{
 		if (window) {
-			myWindow = (GLWindow *)[window retain];
+			myWindow = [window retain];
 		} else {
 			assert(title != nil);
 			
@@ -563,7 +561,7 @@ static GLContext *sharedCtx = nil;
 			
 			// Now we make the window with the values we got
 			// Note: defer flag set to NO to be able to use OpenGL in our window
-			myWindow = [[GLWindow alloc] initWithContentRect:frame
+			myWindow = [[NSWindow alloc] initWithContentRect:frame
 												   styleMask:mask
 													 backing:NSBackingStoreBuffered
 													   defer:NO];
@@ -646,7 +644,7 @@ static GLContext *sharedCtx = nil;
 ////////////////////////////////////////////////////////////
 - (void)dealloc
 {
-	
+	NSAutoreleasePool *localPool = [[NSAutoreleasePool alloc] init];
 	// Remove the notification observer
 	[[NSNotificationCenter defaultCenter] removeObserver:self];
 	
@@ -654,10 +652,13 @@ static GLContext *sharedCtx = nil;
 	[self show:false];
 	
 	// Release the window and view
+	[myView removeFromSuperviewWithoutNeedingDisplay];
+	
 	[myView release];
 	[myWindow release];
 	
 	[super dealloc];
+	[localPool release];
 }
 
 
@@ -758,7 +759,7 @@ static GLContext *sharedCtx = nil;
 		// Wanna open the closed window
 		
 		if (myIsFullscreen) {
-			[SharedAppController setFullscreenWindow:self mode:&myFullscreenMode];
+			[[AppController sharedController] setFullscreenWindow:self mode:&myFullscreenMode];
 		} else {
 			// Show the window
 			[myWindow makeKeyAndOrderFront:nil];
@@ -767,7 +768,7 @@ static GLContext *sharedCtx = nil;
 		// Wanna close the opened window
 		
 		if (myIsFullscreen) {
-			[SharedAppController setFullscreenWindow:nil mode:NULL];
+			[[AppController sharedController] setFullscreenWindow:nil mode:NULL];
 		} else {
 			// Close the window
 			[myWindow close];
@@ -849,7 +850,7 @@ static GLContext *sharedCtx = nil;
 {
 	NSWindow *sender = [notification object];
 	
-	if (!([sender styleMask] & NSTitledWindowMask))
+	if (myIsFullscreen)
 		[sender center];
 }
 

src/SFML/Window/Cocoa/WindowImplCocoa.hpp

@@ -33,8 +33,10 @@
 #include <string>
 
 #ifdef __OBJC__
-#import <Cocoa/Cocoa.h>
 @class WindowWrapper;
+typedef WindowWrapper* WindowWrapperRef;
+#else
+typedef void* WindowWrapperRef;
 #endif
 
 namespace sf
@@ -190,13 +192,7 @@ private :
 	////////////////////////////////////////////////////////////
     // Member data
     ////////////////////////////////////////////////////////////
-	
+	WindowWrapperRef myWrapper;	
-#ifdef __OBJC__
-	WindowWrapper *myWrapper;
-#else
-	void *myWrapper;
-#endif
-	
 	bool myUseKeyRepeat;
 	bool myMouseIn;
 	float myWheelStatus;

src/SFML/Window/Cocoa/WindowImplCocoa.mm

@@ -31,9 +31,6 @@
 #import <SFML/Window/Cocoa/GLKit.h>
 #import <SFML/Window/WindowStyle.hpp>
 #import <SFML/System.hpp>
-#import <OpenGL/OpenGL.h>
-#import <OpenGL/gl.h>
-#import <CoreFoundation/CoreFoundation.h>
 #import <iostream>
 
 
@@ -54,16 +51,16 @@ __done = 1;\
 ////////////////////////////////////////////////////////////
 /// Private function declarations
 ////////////////////////////////////////////////////////////
-static Key::Code		KeyForVirtualCode(unsigned short vCode);
+namespace {
-static Key::Code		KeyForUnicode(unsigned short uniCode);
+	Key::Code		KeyForVirtualCode(unsigned short vCode);
-static bool				IsTextEvent(NSEvent *event);
+	Key::Code		KeyForUnicode(unsigned short uniCode);
+} // anonymous namespace
 
 
 ////////////////////////////////////////////////////////////
 /// Default constructor
 /// (creates a dummy window to provide a valid OpenGL context)
 ////////////////////////////////////////////////////////////
-	static WindowImplCocoa *globalWin = NULL;
 WindowImplCocoa::WindowImplCocoa() :
 myWrapper(nil),
 myUseKeyRepeat(false),
@@ -133,7 +130,8 @@ myWheelStatus(0.0f)
 {
     // Create a new window with given size, title and style
 	// First we define some objects used for our window
-	NSString *title = [NSString stringWithUTF8String:(Title.c_str()) ? (Title.c_str()) : ""];
+	NSString *title = [NSString stringWithCString:(Title.c_str()) ? (Title.c_str()) : ""
+										 encoding:NSASCIIStringEncoding];
 	
 	// We create the window
 	myWrapper = [[WindowWrapper alloc] initWithSettings:params
@@ -228,18 +226,20 @@ void WindowImplCocoa::HandleKeyDown(void *eventRef)
 			
 			// convert the characters
 			// note: using CFString in order to keep compatibility with Mac OS X 10.4
-			// (NSUTF32StringEncoding only defined since Mac OS X 10.5)
+			// (as NSUTF32StringEncoding is only being defined in Mac OS X 10.5 and later)
 			if (!CFStringGetCString ((CFStringRef)[event characters],
 									 (char *)utf32Characters,
 									 sizeof(utf32Characters),
 									 kCFStringEncodingUTF32))
 			{
-				const char *utf8Char = NULL;
+				char asciiChar[3] = {0};
-				if ([[event characters] lengthOfBytesUsingEncoding:NSUTF8StringEncoding])
+				if ([[event characters] lengthOfBytesUsingEncoding:NSASCIIStringEncoding])
-					utf8Char = [[event characters] UTF8String]; 
+					[[event characters] getCString:asciiChar
+										 maxLength:3
+										  encoding:NSASCIIStringEncoding];
 				
-				std::cerr << "Error while converting character to UTF32 : "
+				std::cerr << "Error while converting character to UTF32 : \""
-				<< ((utf8Char) ? utf8Char : "(undefined)") << std::endl;
+				<< asciiChar << "\"" << std::endl;
 			}
 			else
 			{
@@ -359,7 +359,9 @@ void WindowImplCocoa::HandleMouseDown(void *eventRef)
 {
 	NSEvent *event = reinterpret_cast <NSEvent *> (eventRef);
 	Event sfEvent;
-	NSPoint loc = {0, 0};
+	
+	// Get mouse position relative to the window
+	NSPoint loc = [myWrapper mouseLocation];
 	unsigned mods = [event modifierFlags];
 	
 	switch ([event type]) {
@@ -373,9 +375,6 @@ void WindowImplCocoa::HandleMouseDown(void *eventRef)
 				sfEvent.MouseButton.Button = Mouse::Left;
 			}
 			
-			// Get mouse position relative to the window
-			loc = [myWrapper mouseLocation];
-			
 			sfEvent.MouseButton.X = (int) loc.x;
 			sfEvent.MouseButton.Y = (int) loc.y;
 			
@@ -387,9 +386,6 @@ void WindowImplCocoa::HandleMouseDown(void *eventRef)
 			sfEvent.Type = Event::MouseButtonPressed;
 			sfEvent.MouseButton.Button = Mouse::Right;
 			
-			// Get mouse position relative to the window
-			loc = [myWrapper mouseLocation];
-			
 			sfEvent.MouseButton.X = (int) loc.x;
 			sfEvent.MouseButton.Y = (int) loc.y;
 			
@@ -410,7 +406,9 @@ void WindowImplCocoa::HandleMouseUp(void *eventRef)
 {
 	NSEvent *event = reinterpret_cast <NSEvent *> (eventRef);
 	Event sfEvent;
-	NSPoint loc = {0, 0};
+	
+	// Get mouse position relative to the window
+	NSPoint loc = [myWrapper mouseLocation];
 	unsigned mods = [event modifierFlags];
 	
 	switch ([event type]) {
@@ -424,9 +422,6 @@ void WindowImplCocoa::HandleMouseUp(void *eventRef)
 				sfEvent.MouseButton.Button = Mouse::Left;
 			}
 			
-			// Get mouse position relative to the window
-			loc = [myWrapper mouseLocation];
-			
 			sfEvent.MouseButton.X = (int) loc.x;
 			sfEvent.MouseButton.Y = (int) loc.y;
 			
@@ -438,9 +433,6 @@ void WindowImplCocoa::HandleMouseUp(void *eventRef)
 			sfEvent.Type = Event::MouseButtonReleased;
 			sfEvent.MouseButton.Button = Mouse::Right;
 			
-			// Get mouse position relative to the window
-			loc = [myWrapper mouseLocation];
-			
 			sfEvent.MouseButton.X = (int) loc.x;
 			sfEvent.MouseButton.Y = (int) loc.y;
 			
@@ -460,9 +452,7 @@ void WindowImplCocoa::HandleMouseUp(void *eventRef)
 void WindowImplCocoa::HandleMouseMove(void *eventRef)
 {
 	Event sfEvent;
-	NSPoint loc = {0, 0};
+	NSPoint loc = [myWrapper mouseLocation];
-	
-	loc = [myWrapper mouseLocation];
 	sfEvent.Type = Event::MouseMoved;
 	
 	sfEvent.MouseMove.X = (int) loc.x;
@@ -547,7 +537,7 @@ void WindowImplCocoa::Display()
 void WindowImplCocoa::ProcessEvents()
 {
 	// Forward event handling call to the application controller
-	[SharedAppController processEvents];
+	[[AppController sharedController] processEvents];
 }
 
 
@@ -557,7 +547,18 @@ void WindowImplCocoa::ProcessEvents()
 void WindowImplCocoa::SetActive(bool Active) const
 {
 	// Forward the call to the window
+	if (myWrapper)
 		[myWrapper setActive:Active];
+	else {
+		// Or directly activate the shared OpenGL context if we're not using a window
+		if (Active) {
+			if ([NSOpenGLContext currentContext] != [GLContext sharedContext])
+				[[GLContext sharedContext] makeCurrentContext];
+		} else {
+			if ([NSOpenGLContext currentContext] == [GLContext sharedContext])
+				[NSOpenGLContext clearCurrentContext];
+		}
+	}
 }
 
 
@@ -656,10 +657,11 @@ void WindowImplCocoa::SetIcon(unsigned int Width, unsigned int Height, const Uin
 }
 
 
+namespace {
 	////////////////////////////////////////////////////////////
 	/// Return the SFML key corresponding to a key code
 	////////////////////////////////////////////////////////////
-static Key::Code KeyForVirtualCode(unsigned short vCode)
+	Key::Code KeyForVirtualCode(unsigned short vCode)
 	{
 		static struct {
 			unsigned short code;
@@ -732,7 +734,7 @@ static Key::Code KeyForVirtualCode(unsigned short vCode)
 	////////////////////////////////////////////////////////////
 	/// Return the SFML key corresponding to a unicode code
 	////////////////////////////////////////////////////////////
-static Key::Code KeyForUnicode(unsigned short uniCode)
+	Key::Code KeyForUnicode(unsigned short uniCode)
 	{
 		// TODO: find a better way to get the language independant key
 		static struct {
@@ -815,6 +817,8 @@ static Key::Code KeyForUnicode(unsigned short uniCode)
 		return result;
 	}
 	
+} // anonymous namespace
+
 
 } // namespace priv