ioncore/grab.h

   1 /*
   2  * ion/ioncore/grab.h
   3  *
   4  * Copyright (c) Lukas Schroeder 2002,
   5  *                 Tuomo Valkonen 2003.
   6  *
   7  * Ion is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by
   9  * the Free Software Foundation; either version 2.1 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #ifndef ION_IONCORE_GRAB_H
  14 #define ION_IONCORE_GRAB_H
  15
  16 #include "global.h" /* for InputHandler and InputHandlerContext */
  17 #include "common.h"
  18 #include "region.h"
  19
  20 /* GrabHandler:
  21    the default_keyboard_handler now simplifies access to subsequent keypresses
  22    when you establish a grab using grab_establish().
  23
  24    if your GrabHandler returns TRUE, your grab will be removed, otherwise it's
  25    kept active and you get more grabbed events passed to your handler.
  26  */
  27 typedef bool GrabHandler(WRegion *reg, XEvent *ev);
  28 typedef void GrabKilledHandler(WRegion *reg);
  29
  30 extern void ioncore_grab_establish(WRegion *reg, GrabHandler *func,
  31                                    GrabKilledHandler *kh,long eventmask);
  32 extern void ioncore_grab_remove(GrabHandler *func);
  33 extern void ioncore_grab_holder_remove(WRegion *holder);
  34 extern WRegion *ioncore_grab_get_holder();
  35 extern WRegion *ioncore_grab_get_my_holder(GrabHandler *func);
  36 extern bool ioncore_grab_held();
  37 extern void ioncore_change_grab_cursor(int cursor);
  38 extern void ioncore_grab_confine_to(Window confine_to);
  39
  40 extern bool ioncore_handle_grabs(XEvent *ev);
  41
  42 #endif /* ION_IONCORE_GRAB_H */
  43