xcompmgr-dana/send-event.patch

   1 This patch is necessary to use real transparency with tint2.
   2 It can also be useful for any application which needs to know
   3 if there is a compositing manager running.
   4 See http://bugs.freedesktop.org/show_bug.cgi?id=26090
   5
   6
   7 diff -Nur xcompmgr-dana/xcompmgr.c xcompmgr-dana.new/xcompmgr.c
   8 --- xcompmgr-dana/xcompmgr.c    2010-01-25 21:53:13.000000000 +0100
   9 +++ xcompmgr-dana.new/xcompmgr.c        2010-06-05 09:42:38.000000000 +0200
  10 @@ -1991,6 +1991,21 @@
  11      free(buf);
  12
  13      XSetSelectionOwner (dpy, a, w, 0);
  14 +
  15 +    /* Send a ClientMessage notification so other apps
  16 +       can detect the compositing manager started */
  17 +    XClientMessageEvent ev;
  18 +    ev.type = ClientMessage;
  19 +    ev.window = RootWindow (dpy, scr);
  20 +    ev.message_type = a;
  21 +    ev.format = 32;
  22 +    ev.data.l[0] = CurrentTime;
  23 +    ev.data.l[1] = a;
  24 +    ev.data.l[2] = w;
  25 +    ev.data.l[3] = 0;
  26 +    ev.data.l[4] = 0;
  27 +    XSendEvent(dpy, RootWindow (dpy, scr), False, StructureNotifyMask, (XEvent*)&ev);
  28 +
  29  }
  30
  31  int