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diff --git a/examples/cocoa/CocoaAppDelegate.mm b/examples/cocoa/CocoaAppDelegate.mm
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+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2012 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 "CocoaAppDelegate.h"
+#import "NSString+stdstring.h"
+
+// These define are used for converting the color of the NSPopUpButton
+#define BLUE    @"Blue"
+#define GREEN   @"Green"
+#define RED     @"Red"
+
+// Our PIMPL
+struct SFMLmainWindow
+{
+    SFMLmainWindow(sf::WindowHandle win)
+    : renderWindow(win)
+    , background(sf::Color::Blue)
+    {
+        std::string resPath = [[[NSBundle mainBundle] resourcePath] tostdstring];
+        if (!logo.loadFromFile(resPath + "/logo.png")) {
+            NSLog(@"Couldn't load the logo image");
+        }
+        
+        logo.setSmooth(true);
+        
+        sprite.setTexture(logo, true);
+        sf::FloatRect rect = sprite.getLocalBounds();
+        sf::Vector2f size(rect.width, rect.height);
+        sprite.setOrigin(size / 2.f);
+        sprite.scale(0.3, 0.3);
+        
+        unsigned int ww = renderWindow.getSize().x;
+        unsigned int wh = renderWindow.getSize().y;
+        sprite.setPosition(sf::Vector2f(ww, wh) / 2.f);
+
+        if (!font.loadFromFile(resPath + "/sansation.ttf")) {
+            NSLog(@"Couldn't load the font");
+        }
+        
+        text.setColor(sf::Color::White);
+        text.setFont(font);
+    }
+    
+    sf::RenderWindow    renderWindow;
+    sf::Font            font;
+    sf::Text            text;
+    sf::Texture         logo;
+    sf::Sprite          sprite;
+    sf::Color           background;
+};
+
+// Private stuff
+@interface CocoaAppDelegate ()
+
+@property (assign) SFMLmainWindow   *mainWindow;
+@property (retain) NSTimer          *renderTimer;
+@property (assign) BOOL              visible;
+
+@property (assign) BOOL              initialized;
+
+-(void)renderMainWindow:(NSTimer *)aTimer;
+
+@end
+
+
+// Finally, the implementation
+@implementation CocoaAppDelegate
+
+@synthesize window          = m_window;
+@synthesize sfmlView        = m_sfmlView;
+@synthesize textField       = m_textField;
+
+@synthesize mainWindow      = m_mainWindow;
+@synthesize renderTimer     = m_renderTimer;
+@synthesize visible         = m_visible;
+
+@synthesize initialized     = m_initialized;
+
+- (id)init {
+    self = [super init];
+    if (self) {
+        self.initialized = NO;
+    }
+    return self;
+}
+
+-(void)applicationDidFinishLaunching:(NSNotification *)aNotification
+{
+    if (!self.initialized)
+    {
+        // Init the SFML render area.
+        self.mainWindow = new SFMLmainWindow(self.sfmlView);
+        self.mainWindow->text.setString([self.textField.stringValue tostdwstring]);
+        self.visible = YES;
+        
+        // Launch the timer to periodically display our stuff into the Cocoa view.
+        self.renderTimer = [NSTimer timerWithTimeInterval:1.f/60.f
+                                                   target:self
+                                                 selector:@selector(renderMainWindow:)
+                                                 userInfo:nil 
+                                                  repeats:YES];
+        [[NSRunLoop mainRunLoop] addTimer:self.renderTimer
+                                  forMode:NSDefaultRunLoopMode];
+        [[NSRunLoop mainRunLoop] addTimer:self.renderTimer
+                                  forMode:NSEventTrackingRunLoopMode];
+        /*
+         * This is really some ugly code but in order to have the timer fired
+         * periodically we need to add it to the two above runloop mode.
+         *
+         * The default mode allows timer firing while the user doesn't do anything
+         * while the second mode allows timer firing while he is using a slider
+         * or a menu.
+         */
+        
+        self.initialized = YES;
+    }
+}
+
+-(void)dealloc
+{
+    [self.renderTimer invalidate];
+    self.mainWindow->renderWindow.close();
+    
+    self.window             = nil;
+    self.sfmlView           = nil;
+    self.textField          = nil;
+    
+    delete (SFMLmainWindow *) self.mainWindow;
+    self.mainWindow         = 0;
+    self.renderTimer        = nil;
+    
+    [super dealloc];
+}
+
+-(void)renderMainWindow:(NSTimer *)aTimer
+{
+    // Scaling
+    /* /!\ we do this at 60fps so choose low scaling factor! /!\ */
+    if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
+    {
+        self.mainWindow->sprite.scale(1.01f, 1.01f);
+    }
+    if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
+    {
+        self.mainWindow->sprite.scale(0.99f, 0.99f);
+    }
+    
+    // Clear the window, display some stuff and display it into our view.
+    
+    self.mainWindow->renderWindow.clear(self.mainWindow->background);
+    
+    if (self.visible)
+    {
+        self.mainWindow->renderWindow.draw(self.mainWindow->sprite);
+    }
+    
+    self.mainWindow->renderWindow.draw(self.mainWindow->text);
+    
+    self.mainWindow->renderWindow.display();
+}
+
+-(IBAction)colorChanged:(NSPopUpButton *)sender
+{
+    if (self.initialized)
+    {
+        // Convert title to color
+        NSString *color = [[sender selectedItem] title];
+        if ([color isEqualToString:BLUE])
+        {
+            self.mainWindow->background = sf::Color::Blue;
+        } 
+        else if ([color isEqualToString:GREEN])
+        {
+            self.mainWindow->background = sf::Color::Green;
+        } 
+        else
+        {
+            self.mainWindow->background = sf::Color::Red;
+        }
+    }
+}
+
+-(IBAction)rotationChanged:(NSSlider *)sender
+{
+    if (self.initialized)
+    {
+        float angle = [sender floatValue];
+        self.mainWindow->sprite.setRotation(angle);
+    }
+}
+
+-(IBAction)visibleChanged:(NSButton *)sender
+{
+    if (self.initialized)
+        self.visible = [sender state] == NSOnState;
+}
+
+-(IBAction)textChanged:(NSTextField *)sender
+{
+    if (self.initialized)
+        self.mainWindow->text.setString([[sender stringValue] tostdwstring]);
+}
+
+- (IBAction)updateText:(NSButton *)sender
+{
+    // Simply simulate textChanged :
+    [self textChanged:self.textField];
+}
+
+@end
+
+@implementation SilentWindow
+
+-(void)keyDown:(NSEvent *)theEvent
+{
+    // Do nothing except preventing this alert.
+}
+
+@end