gtk2/gdk/x11/gdkeventtranslator.c

98 lines
2.9 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "gdkeventtranslator.h"
GType
gdk_event_translator_get_type (void)
{
static GType translator_type = 0;
if (G_UNLIKELY (!translator_type))
{
translator_type = g_type_register_static_simple (G_TYPE_INTERFACE,
g_intern_static_string ("GdkEventTranslator"),
sizeof (GdkEventTranslatorIface),
NULL, 0, NULL, 0);
g_type_interface_add_prerequisite (translator_type, G_TYPE_OBJECT);
}
return translator_type;
}
GdkEvent *
gdk_event_translator_translate (GdkEventTranslator *translator,
GdkDisplay *display,
XEvent *xevent)
{
GdkEventTranslatorIface *iface;
GdkEvent *event;
g_return_val_if_fail (GDK_IS_EVENT_TRANSLATOR (translator), NULL);
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
iface = GDK_EVENT_TRANSLATOR_GET_IFACE (translator);
if (!iface->translate_event)
return NULL;
event = gdk_event_new (GDK_NOTHING);
if ((iface->translate_event) (translator, display, event, xevent))
return event;
gdk_event_free (event);
return NULL;
}
GdkEventMask
gdk_event_translator_get_handled_events (GdkEventTranslator *translator)
{
GdkEventTranslatorIface *iface;
g_return_val_if_fail (GDK_IS_EVENT_TRANSLATOR (translator), 0);
iface = GDK_EVENT_TRANSLATOR_GET_IFACE (translator);
if (iface->get_handled_events)
return iface->get_handled_events (translator);
return 0;
}
void
gdk_event_translator_select_window_events (GdkEventTranslator *translator,
Window window,
GdkEventMask event_mask)
{
GdkEventTranslatorIface *iface;
g_return_if_fail (GDK_IS_EVENT_TRANSLATOR (translator));
iface = GDK_EVENT_TRANSLATOR_GET_IFACE (translator);
if (iface->select_window_events)
iface->select_window_events (translator, window, event_mask);
}