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[Mac] Avoid class conflicts for multiple windows

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When creating multiple windows, their classes must have different class
names or they will fail to construct.

This commit ensures their names are unique. It also fixes a potential
memory leak in the Icon setter.
This commit is contained in:
thefiddler 2014-04-23 00:05:34 +02:00
parent 287c2b3415
commit b0eedc122d
1 changed files with 13 additions and 5 deletions
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18
Source/OpenTK/Platform/MacOS/CocoaNativeWindow.cs
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@ -1,14 +1,17 @@
using System;
using OpenTK.Graphics;
using System.Drawing;
using System.ComponentModel;
using OpenTK.Input;
using System.Diagnostics;
using System.Drawing;
using System.Threading;
using OpenTK.Graphics;
using OpenTK.Input;
namespace OpenTK.Platform.MacOS
{
class CocoaNativeWindow : INativeWindow
{
static volatile int UniqueId;
public event EventHandler<EventArgs> Move = delegate { };
public event EventHandler<EventArgs> Resize = delegate { };
public event EventHandler<System.ComponentModel.CancelEventArgs> Closing = delegate { };
@ -118,7 +121,8 @@ namespace OpenTK.Platform.MacOS
public CocoaNativeWindow(int x, int y, int width, int height, string title, GraphicsMode mode, GameWindowFlags options, DisplayDevice device)
{
// Create the window class
windowClass = Class.AllocateClass("OpenTKWindow", "NSWindow");
Interlocked.Increment(ref UniqueId);
windowClass = Class.AllocateClass("OpenTKWindow" + UniqueId, "NSWindow");
Class.RegisterMethod(windowClass, new WindowDidResizeDelegate(WindowDidResize), "windowDidResize:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidMoveDelegate(WindowDidMove), "windowDidMove:", "v@:@");
Class.RegisterMethod(windowClass, new WindowDidBecomeKeyDelegate(WindowDidBecomeKey), "windowDidBecomeKey:", "v@:@");
@ -510,7 +514,11 @@ namespace OpenTK.Platform.MacOS
set
{
icon = value;
Cocoa.SendVoid(NSApplication.Handle, selSetApplicationIconImage, Cocoa.ToNSImage(icon.ToBitmap()));
using (Image img = icon.ToBitmap())
{
IntPtr nsimg = Cocoa.ToNSImage(img);
Cocoa.SendVoid(NSApplication.Handle, selSetApplicationIconImage, nsimg);
}
IconChanged(this, EventArgs.Empty);
}
}