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

   1 #include <stdio.h>
   2 #include <X11/Xlib.h>
   3 #include <X11/Xutil.h>
   4 #include <X11/Xatom.h>
   5
   6 int main () {
   7   Display   *display;
   8   Window     parent, child;
   9   XEvent     report;
  10   Atom       state, modal;
  11   int        x=10,y=10,h=400,w=400;
  12
  13   display = XOpenDisplay(NULL);
  14
  15   if (display == NULL) {
  16     fprintf(stderr, "couldn't connect to X server :0\n");
  17     return 0;
  18   }
  19
  20   state = XInternAtom(display, "_NET_WM_STATE", True);
  21   modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
  22
  23   parent = XCreateWindow(display, RootWindow(display, 0),
  24                          x, y, w, h, 10, CopyFromParent, CopyFromParent,
  25                          CopyFromParent, 0, 0);
  26   child = XCreateWindow(display, RootWindow(display, 0),
  27                         x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
  28                         CopyFromParent, 0, 0);
  29
  30   XSetWindowBackground(display,parent,WhitePixel(display,0));
  31   XSetWindowBackground(display,child,BlackPixel(display,0));
  32
  33   XSetTransientForHint(display, child, parent);
  34   XChangeProperty(display, child, state, XA_ATOM, 32,
  35                   PropModeReplace, (unsigned char*)&modal, 1);
  36
  37   XMapWindow(display, parent);
  38   XMapWindow(display, child);
  39   XFlush(display);
  40
  41   while (1) {
  42     XNextEvent(display, &report);
  43   }
  44
  45   return 1;
  46 }