GtkSharp/gtk/Input.custom
Mike Kestner f695e74bd6 2005-04-05 Mike Kestner <mkestner@novell.com>
* gtk/*.custom : persistent delegates for most of the remaining 
	"interesting" methods.

svn path=/trunk/gtk-sharp/; revision=42581
2005-04-05 20:14:02 +00:00

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// Gtk.Input.custom - Gtk Input class customizations
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2005 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.
[DllImport("libgtk-win32-2.0-0.dll")]
static extern uint gtk_input_add_full(int source, int condition, InputFunctionNative function, GtkSharp.CallbackMarshalNative marshal, IntPtr data, NativeDestroyNotify destroy);
[GLib.CDeclCallback]
delegate void InputFunctionNative(IntPtr data, int source, int condition);
class InputFunctionWrapper {
public void NativeCallback (IntPtr data, int source, int condition)
{
IntPtr _arg0 = data;
int _arg1 = source;
Gdk.InputCondition _arg2 = (Gdk.InputCondition) condition;
managed ( _arg0, _arg1, _arg2);
}
internal InputFunctionNative NativeDelegate;
Gdk.InputFunction managed;
public InputFunctionWrapper (Gdk.InputFunction managed)
{
this.managed = managed;
if (managed != null)
NativeDelegate = new InputFunctionNative (NativeCallback);
}
}
class InputProxy {
InputFunctionWrapper function;
GtkSharp.CallbackMarshalWrapper marshal;
IntPtr data;
DestroyNotify destroy;
NativeDestroyNotify handler;
public InputProxy (InputFunctionWrapper function, GtkSharp.CallbackMarshalWrapper marshal, IntPtr data, DestroyNotify destroy)
{
this.marshal = marshal;
this.function = function;
this.destroy = destroy;
this.data = data;
handler = new NativeDestroyNotify (OnDestroy);
}
void OnDestroy (IntPtr data)
{
if (destroy != null)
destroy ();
GCHandle gch = (GCHandle) data;
gch.Free ();
}
public NativeDestroyNotify Handler {
get {
return handler;
}
}
}
[Obsolete]
public static uint AddFull(int source, Gdk.InputCondition condition, Gdk.InputFunction function, Gtk.CallbackMarshal marshal, IntPtr data, Gtk.DestroyNotify destroy) {
InputFunctionWrapper function_wrapper = new InputFunctionWrapper (function);
GtkSharp.CallbackMarshalWrapper marshal_wrapper = new GtkSharp.CallbackMarshalWrapper (marshal);
InputProxy proxy = new InputProxy (function_wrapper, marshal_wrapper, data, destroy);
GCHandle gch = GCHandle.Alloc (proxy);
return gtk_input_add_full (source, (int) condition, function_wrapper.NativeDelegate, marshal_wrapper.NativeDelegate, (IntPtr) gch, proxy.Handler);
}