Opentk/Source/OpenTK/Platform/MacOS/Cocoa/NSApplication.cs

#region License
//
// NSApplication.cs
//
// Author:
//       Olle Håkansson <ollhak@gmail.com>
//
// Copyright (c) 2014 Olle Håkansson
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#endregion

using System;
using System.Runtime.InteropServices;
using OpenTK.Platform.MacOS;

namespace OpenTK.Platform.MacOS
{
    static class NSApplication
    {
        internal static IntPtr Handle;
        internal static IntPtr AutoreleasePool;

        internal static void Initialize()
        {
            // Create the NSAutoreleasePool
            AutoreleasePool = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSAutoreleasePool"), Selector.Alloc), Selector.Init);

            // Fetch the application handle
            Handle = Cocoa.SendIntPtr(Class.Get("NSApplication"), Selector.Get("sharedApplication"));

            // Setup the application
            Cocoa.SendBool(Handle, Selector.Get("setActivationPolicy:"), (int)NSApplicationActivationPolicy.Regular);
            Cocoa.SendVoid(Handle, Selector.Get("activateIgnoringOtherApps:"), true);

            // Create the menu bar
            var menubar = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenu"), Selector.Alloc),
                Selector.Autorelease);

            var menuItem = Cocoa.SendIntPtr(Cocoa.SendIntPtr(Class.Get("NSMenuItem"), Selector.Alloc),
                Selector.Autorelease);

            // Add menu item to bar, and bar to application
            Cocoa.SendIntPtr(menubar, Selector.Get("addItem:"), menuItem);
            Cocoa.SendIntPtr(Handle, Selector.Get("setMainMenu:"), menubar);

            // Tell cocoa we're ready to run the application (usually called by [NSApp run]). 
            Cocoa.SendVoid(Handle, Selector.Get("finishLaunching"));
        }
    }
}