libs/Event.c

   1 /* -*-c-*- */
   2 /* Copyright (C) 2001  Dominik Vogt */
   3 /* This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #include "config.h"
  19 #include <X11/Xlib.h>
  20 #include <stdio.h>
  21 #include "fvwmlib.h"
  22 #include "Event.h"
  23
  24 /*
  25  * Return the subwindow member of an event if the event type has one.
  26  */
  27 Window GetSubwindowFromEvent(Display *dpy, const XEvent *eventp)
  28 {
  29         if (eventp == NULL)
  30         {
  31                 return None;
  32         }
  33         switch (eventp->type)
  34         {
  35         case ButtonPress:
  36         case ButtonRelease:
  37                 return eventp->xbutton.subwindow;
  38         case KeyPress:
  39         case KeyRelease:
  40                 return eventp->xkey.subwindow;
  41         case EnterNotify:
  42         case LeaveNotify:
  43                 return eventp->xcrossing.subwindow;
  44         case MotionNotify:
  45                 return eventp->xmotion.subwindow;
  46         default:
  47                 return None;
  48         }
  49 }