GtkSharp/Source/Libs/GdkSharp/Keymap.cs

75 lines
3 KiB
C#

// Keymap.cs - customizations to Gdk.Keymap
//
// Authors: Mike Kestner <mkestner@ximian.com>
//
// Copyright (c) 2004 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 partial class Keymap {
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
delegate bool d_gdk_keymap_get_entries_for_keycode(IntPtr raw, uint hardware_keycode, out IntPtr keys, out IntPtr keyvals, out int n_entries);
static d_gdk_keymap_get_entries_for_keycode gdk_keymap_get_entries_for_keycode = FuncLoader.LoadFunction<d_gdk_keymap_get_entries_for_keycode>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gdk), "gdk_keymap_get_entries_for_keycode"));
public void GetEntriesForKeycode(uint hardware_keycode, out Gdk.KeymapKey[] keys, out uint[] keyvals)
{
IntPtr key_ptr, keyval_ptr;
int count;
if (gdk_keymap_get_entries_for_keycode(Handle, hardware_keycode, out key_ptr, out keyval_ptr, out count)) {
keys = new KeymapKey [count];
keyvals = new uint [count];
int[] tmp = new int [count];
Marshal.Copy (keyval_ptr, tmp, 0, count);
for (int i = 0; i < count; i++) {
IntPtr ptr = new IntPtr ((long) key_ptr + i * Marshal.SizeOf (typeof (KeymapKey)));
keyvals [i] = (uint) tmp [i];
keys [i] = KeymapKey.New (ptr);
}
GLib.Marshaller.Free (key_ptr);
GLib.Marshaller.Free (keyval_ptr);
} else {
keys = new KeymapKey [0];
keyvals = new uint [0];
}
}
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
delegate bool d_gdk_keymap_get_entries_for_keyval(IntPtr raw, uint keyval, out IntPtr keys, out int n_keys);
static d_gdk_keymap_get_entries_for_keyval gdk_keymap_get_entries_for_keyval = FuncLoader.LoadFunction<d_gdk_keymap_get_entries_for_keyval>(FuncLoader.GetProcAddress(GLibrary.Load(Library.Gdk), "gdk_keymap_get_entries_for_keyval"));
public KeymapKey[] GetEntriesForKeyval (uint keyval)
{
IntPtr key_ptr;
int count;
if (gdk_keymap_get_entries_for_keyval(Handle, keyval, out key_ptr, out count)) {
KeymapKey[] result = new KeymapKey [count];
for (int i = 0; i < count; i++) {
IntPtr ptr = new IntPtr ((long) key_ptr + i * Marshal.SizeOf (typeof (KeymapKey)));
result [i] = KeymapKey.New (ptr);
}
GLib.Marshaller.Free (key_ptr);
return result;
} else
return new KeymapKey [0];
}
}
}