GtkSharp/gdk/Device.custom

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// Device.custom - customizations to Gdk.Device
//
// Authors: Manuel V. Santos <mvsl@telefonica.net>
//
// Copyright (c) 2004 Manuel V. Santos
//
// 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("gdksharpglue-3")]
static extern DeviceKey gtksharp_gdk_device_get_device_key (IntPtr device, uint axis);
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[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gdk_device_get_state(IntPtr device, IntPtr window, double [] axes, out int maskAsInt);
#if FIXME30
public void GetState(Gdk.Window window, out double [] axes, out Gdk.ModifierType mask) {
int maskAsInt;
axes = new double [this.NumAxes];
gdk_device_get_state(Handle, window.Handle, axes, out maskAsInt);
mask = (Gdk.ModifierType) maskAsInt;
}
#endif
public Gdk.DeviceKey GetDeviceKey (uint axis) {
return gtksharp_gdk_device_get_device_key (Handle, axis);
}
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[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gdk_device_free_history(IntPtr events, int n_events);
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[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern bool gdk_device_get_history(IntPtr device, IntPtr window, uint start, uint stop, out IntPtr events, out int n_events);
public TimeCoord[] GetHistory (Gdk.Window window, uint start, uint stop)
{
IntPtr coords_handle;
int count;
if (gdk_device_get_history (Handle, window.Handle, start, stop, out coords_handle, out count)) {
TimeCoord[] result = new TimeCoord [count];
for (int i = 0; i < count; i++) {
IntPtr ptr = Marshal.ReadIntPtr (coords_handle, i + IntPtr.Size);
result [i] = TimeCoord.New (ptr);
}
gdk_device_free_history (coords_handle, count);
return result;
} else
return new TimeCoord [0];
}