Added Cocoa example

xcode/example/Cocoa/CocoaAppDelegate.h

@@ -0,0 +1,59 @@
+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2011 Marco Antognini (antognini.marco@gmail.com), 
+//                         Laurent Gomila (laurent.gom@gmail.com), 
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+//    you must not claim that you wrote the original software.
+//    If you use this software in a product, an acknowledgment
+//    in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+//    and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+#import <Cocoa/Cocoa.h>
+#import <SFML/Graphics.hpp>
+
+/*
+ * NB : We need pointers for C++ objects fields in Obj-C interface !
+ *      The recomanded way is to use PIMP idiom.
+ *
+ *      It's elegant. Moreover, we do no constrain
+ *      other file including this one to be Obj-C++.
+ */
+
+struct SFMLmainWindow;
+
+@interface CocoaAppDelegate : NSObject <NSApplicationDelegate> {
+@private
+    NSWindow        *_window;
+    NSView          *_sfmlView;
+    NSTextField     *_textField;
+    SFMLmainWindow  *_mainWindow;
+    NSTimer         *_renderTimer;
+    BOOL             _visible;
+}
+
+@property (retain) IBOutlet NSWindow    *window;
+@property (assign) IBOutlet NSView      *sfmlView;
+@property (assign) IBOutlet NSTextField *textField;
+
+-(IBAction)colorChanged:(NSPopUpButton *)sender;
+-(IBAction)rotationChanged:(NSSlider *)sender;
+-(IBAction)visibleChanged:(NSButton *)sender;
+-(IBAction)textChanged:(NSTextField *)sender;
+-(IBAction)updateText:(NSButton *)sender;
+
+@end