Dogcows Code - chaz/openbox/blob - tests/modal2.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   XEvent ce;
  13
  14   display = XOpenDisplay(NULL);
  15
  16   if (display == NULL) {
  17     fprintf(stderr, "couldn't connect to X server :0\n");
  18     return 0;
  19   }
  20
  21   state = XInternAtom(display, "_NET_WM_STATE", True);
  22   modal = XInternAtom(display, "_NET_WM_STATE_MODAL", True);
  23
  24   parent = XCreateWindow(display, RootWindow(display, 0),
  25                          x, y, w, h, 10, CopyFromParent, CopyFromParent,
  26                          CopyFromParent, 0, 0);
  27   child = XCreateWindow(display, RootWindow(display, 0),
  28                         x, y, w/2, h/2, 10, CopyFromParent, CopyFromParent,
  29                         CopyFromParent, 0, 0);
  30
  31   XSetWindowBackground(display,parent,WhitePixel(display,0));
  32   XSetWindowBackground(display,child,BlackPixel(display,0));
  33
  34   XSetTransientForHint(display, child, parent);
  35
  36   XMapWindow(display, parent);
  37   XMapWindow(display, child);
  38   XFlush(display);
  39
  40   ce.xclient.type = ClientMessage;
  41   ce.xclient.message_type = state;
  42   ce.xclient.display = display;
  43   ce.xclient.window = child;
  44   ce.xclient.format = 32;
  45   ce.xclient.data.l[0] = 1;
  46   ce.xclient.data.l[1] = modal;
  47   ce.xclient.data.l[2] = 0;
  48   XSendEvent(display, RootWindow(display, DefaultScreen(display)),
  49              False, SubstructureNotifyMask | SubstructureRedirectMask, &ce);
  50
  51   while (1) {
  52     XNextEvent(display, &report);
  53   }
  54
  55   return 1;
  56 }