Quelle  gdkseatprivate.h

/* GDK - The GIMP Drawing Kit
 * Copyright (C) 2015 Red Hat
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 * Author: Carlos Garnacho <carlosg@gnome.org>
 */

#pragma once

typedef struct _GdkSeatClass GdkSeatClass;

#include "gdkseat.h"
#include "gdkdeviceprivate.h"

#define GDK_SEAT_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), GDK_TYPE_SEAT, GdkSeatClass))
#define GDK_IS_SEAT_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c), GDK_TYPE_SEAT))
#define GDK_SEAT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDK_TYPE_SEAT, GdkSeatClass))

struct _GdkSeatClass
{
  GObjectClass parent_class;

  void (* device_added)   (GdkSeat   *seat,
                           GdkDevice *device);
  void (* device_removed) (GdkSeat   *seat,
                           GdkDevice *device);
  void (* device_changed) (GdkSeat   *seat,
                           GdkDevice *device);

  GdkSeatCapabilities (*get_capabilities) (GdkSeat *seat);

  GdkGrabStatus (* grab) (GdkSeat    *seat,
                          GdkSurface *surface);

  void (* ungrab) (GdkSeat    *seat,
                   GdkSurface *surface);

  GdkDevice * (* get_logical_device) (GdkSeat             *seat,
                                      GdkSeatCapabilities  capability);
  GList *     (* get_devices) (GdkSeat             *seat,
                               GdkSeatCapabilities  capabilities);

  GList * (* get_tools) (GdkSeat *seat);
};

void gdk_seat_device_added   (GdkSeat   *seat,
                              GdkDevice *device);
void gdk_seat_device_removed (GdkSeat   *seat,
                              GdkDevice *device);

void gdk_seat_tool_added     (GdkSeat       *seat,
                              GdkDeviceTool *tool);
void gdk_seat_tool_removed   (GdkSeat       *seat,
                              GdkDeviceTool *tool);

GdkDeviceTool *
     gdk_seat_get_tool       (GdkSeat          *seat,
                              guint64           serial,
                              guint64           hw_id,
                              GdkDeviceToolType type);

GdkGrabStatus  gdk_seat_grab             (GdkSeat    *seat,
                                          GdkSurface *surface);
void           gdk_seat_ungrab           (GdkSeat    *seat,
                                          GdkSurface *surface);

GdkSurface * gdk_seat_get_topmost_grab_surface (GdkSeat *seat);

void gdk_seat_break_grab (GdkSeat *seat,
                          GdkSurface *if_child);