Dogcows Code - chaz/openbox/blob - tests/modal.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    modal.c for the Openbox window manager
   4    Copyright (c) 2003        Ben 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     parent, child;
  27   XEvent     report;
  28   Atom       state, modal;
  29   int        x=10,y=10,h=400,w=400;
  30
  31   display = XOpenDisplay(NULL);
  32
  33   if (display == NULL) {
  34     fprintf(stderr, "couldn't connect to X server :0\n");
  35     return 0;
  36   }
  37
  38   state = XInternAtom(display, "_NET_WM_STATE", True);
  39   modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
  40
  41   parent = XCreateWindow(display, RootWindow(display, 0),
  42                          x, y, w, h, 10, CopyFromParent, CopyFromParent,
  43                          CopyFromParent, 0, 0);
  44   child = XCreateWindow(display, RootWindow(display, 0),
  45                         x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
  46                         CopyFromParent, 0, 0);
  47
  48   XSetWindowBackground(display,parent,WhitePixel(display,0));
  49   XSetWindowBackground(display,child,BlackPixel(display,0));
  50
  51   XSetTransientForHint(display, child, parent);
  52   XChangeProperty(display, child, state, XA_ATOM, 32,
  53                   PropModeReplace, (unsigned char*)&modal, 1);
  54
  55   XMapWindow(display, parent);
  56   XMapWindow(display, child);
  57   XFlush(display);
  58
  59   while (1) {
  60     XNextEvent(display, &report);
  61   }
  62
  63   return 1;
  64 }