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// Gdk.Event.cs - Custom event wrapper
//
// Authors: Rachel Hestilow <hestilow@ximian.com>
// Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2002 Rachel Hestilow
// Copyright (c) 2004-2009 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace Gdk {
using System;
using System.Runtime.InteropServices;
public class Event : GLib.IWrapper {
IntPtr raw;
public Event(IntPtr raw)
{
this.raw = raw;
}
public IntPtr Handle {
get { return raw; }
}
[DllImport (Global.GdkNativeDll, CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gdk_event_get_type ();
public static GLib.GType GType {
get { return new GLib.GType (gdk_event_get_type ()); }
}
[StructLayout (LayoutKind.Sequential)]
struct NativeStruct {
public EventType type;
public IntPtr window;
public sbyte send_event;
}
NativeStruct Native {
get { return (NativeStruct) Marshal.PtrToStructure (raw, typeof(NativeStruct)); }
}
public EventType Type {
get { return Native.type; }
set {
NativeStruct native = Native;
native.type = value;
Marshal.StructureToPtr (native, raw, false);
}
}
public Window Window {
get { return GLib.Object.GetObject (Native.window, false) as Window; }
set {
NativeStruct native = Native;
native.window = value == null ? IntPtr.Zero : value.Handle;
Marshal.StructureToPtr (native, raw, false);
}
}
public bool SendEvent {
get { return Native.send_event != 0; }
set {
NativeStruct native = Native;
native.send_event = (sbyte) (value ? 1 : 0);
Marshal.StructureToPtr (native, raw, false);
}
}
public static Event New (IntPtr raw)
{
return GetEvent (raw);
}
public static Event GetEvent (IntPtr raw)
{
if (raw == IntPtr.Zero)
return null;
NativeStruct native = (NativeStruct) Marshal.PtrToStructure (raw, typeof(NativeStruct));
switch (native.type) {
case EventType.Expose:
return new EventExpose (raw);
case EventType.MotionNotify:
return new EventMotion (raw);
case EventType.ButtonPress:
case EventType.TwoButtonPress:
case EventType.ThreeButtonPress:
case EventType.ButtonRelease:
return new EventButton (raw);
case EventType.KeyPress:
case EventType.KeyRelease:
return new EventKey (raw);
case EventType.EnterNotify:
case EventType.LeaveNotify:
return new EventCrossing (raw);
case EventType.FocusChange:
return new EventFocus (raw);
case EventType.Configure:
return new EventConfigure (raw);
case EventType.PropertyNotify:
return new EventProperty (raw);
case EventType.SelectionClear:
case EventType.SelectionRequest:
case EventType.SelectionNotify:
return new EventSelection (raw);
case EventType.ProximityIn:
case EventType.ProximityOut:
return new EventProximity (raw);
case EventType.DragEnter:
case EventType.DragLeave:
case EventType.DragMotion:
case EventType.DragStatus:
case EventType.DropStart:
case EventType.DropFinished:
return new EventDND (raw);
case EventType.VisibilityNotify:
return new EventVisibility (raw);
case EventType.Scroll:
return new EventScroll (raw);
case EventType.WindowState:
return new EventWindowState (raw);
case EventType.Setting:
return new EventSetting (raw);
case EventType.OwnerChange:
return new EventOwnerChange (raw);
case EventType.GrabBroken:
return new EventGrabBroken (raw);
case EventType.Map:
case EventType.Unmap:
case EventType.Delete:
case EventType.Destroy:
default:
return new Gdk.Event (raw);
}
}
}
}
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