tests/grouptran.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    grouptran.c for the Openbox window manager
   4    Copyright (c) 2003-2007   Dana Jansens
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include <stdio.h>
  20 #include <X11/Xlib.h>
  21 #include <X11/Xutil.h>
  22 #include <X11/Xatom.h>
  23
  24 int main () {
  25   Display   *display;
  26   Window     one, two, group;
  27   XEvent     report;
  28   XWMHints  *wmhints;
  29
  30   display = XOpenDisplay(NULL);
  31
  32   if (display == NULL) {
  33     fprintf(stderr, "couldn't connect to X server :0\n");
  34     return 0;
  35   }
  36
  37   group = XCreateWindow(display, RootWindow(display, 0),
  38                         0,0,1,1, 10, CopyFromParent, CopyFromParent,
  39                          CopyFromParent, 0, 0);
  40
  41   one = XCreateWindow(display, RootWindow(display, 0),
  42                       0,0,100,100, 10, CopyFromParent, CopyFromParent,
  43                          CopyFromParent, 0, 0);
  44   two = XCreateWindow(display, RootWindow(display, 0),
  45                       0,0,100,100, 10, CopyFromParent, CopyFromParent,
  46                       CopyFromParent, 0, 0);
  47
  48   XSetWindowBackground(display,one,WhitePixel(display,0));
  49   XSetWindowBackground(display,two,BlackPixel(display,0));
  50
  51   XSetTransientForHint(display, two, RootWindow(display,0));
  52
  53   wmhints = XAllocWMHints();
  54
  55   wmhints->flags = WindowGroupHint;
  56   wmhints->window_group = group;
  57
  58   XSetWMHints(display, one, wmhints);
  59   XSetWMHints(display, two, wmhints);
  60
  61   XFree(wmhints);
  62
  63   XMapWindow(display, one);
  64   XMapWindow(display, two);
  65   XFlush(display);
  66
  67   while (1) {
  68     XNextEvent(display, &report);
  69   }
  70
  71   return 1;
  72 }