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// Gdk.EventButton.cs - Custom button event wrapper
//
// Author: Mike Kestner <mkestner@novell.com>
//
// 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 EventButton : Event {
public EventButton (IntPtr raw) : base (raw) {}
[StructLayout (LayoutKind.Sequential)]
struct NativeStruct {
EventType type;
IntPtr window;
sbyte send_event;
public uint time;
public double x;
public double y;
public IntPtr axes;
public uint state;
public uint button;
public IntPtr device;
public double x_root;
public double y_root;
}
NativeStruct Native {
get { return (NativeStruct) Marshal.PtrToStructure (Handle, typeof(NativeStruct)); }
}
public double[] Axes {
get {
double[] result = null;
IntPtr axes = Native.axes;
if (axes != IntPtr.Zero) {
result = new double [Device.NumAxes];
Marshal.Copy (axes, result, 0, result.Length);
}
return result;
}
set {
NativeStruct native = Native;
if (native.axes == IntPtr.Zero || value.Length != Device.NumAxes)
throw new InvalidOperationException ();
Marshal.Copy (value, 0, native.axes, value.Length);
}
}
public uint Button {
get { return Native.button; }
set {
NativeStruct native = Native;
native.button = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public Device Device {
get { return GLib.Object.GetObject (Native.device, false) as Device; }
set {
NativeStruct native = Native;
native.device = value == null ? IntPtr.Zero : value.Handle;
Marshal.StructureToPtr (native, Handle, false);
}
}
public ModifierType State {
get { return (ModifierType) Native.state; }
set {
NativeStruct native = Native;
native.state = (uint) value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public uint Time {
get { return Native.time; }
set {
NativeStruct native = Native;
native.time = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public double X {
get { return Native.x; }
set {
NativeStruct native = Native;
native.x = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public double XRoot {
get { return Native.x_root; }
set {
NativeStruct native = Native;
native.x_root = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public double Y {
get { return Native.y; }
set {
NativeStruct native = Native;
native.y = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
public double YRoot {
get { return Native.y_root; }
set {
NativeStruct native = Native;
native.y_root = value;
Marshal.StructureToPtr (native, Handle, false);
}
}
}
}
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