C++ (Cpp) XIGetClientPointer Examples

Example #1

File: doppelganger.c Project: gpoudrel/xzibit

static void
show_cursor (Doppelganger *dg)
{
  int current_pointer;
  XIEventMask mask = { dg->mpx, 0, "" };

#if 0
  /* probably unnecessary */
  XIGetClientPointer (gdk_x11_get_default_xdisplay (),
		      None,
		      &current_pointer);
  
  /* probably unnecessary */
  XISetClientPointer (gdk_x11_get_default_xdisplay (),
		      None,
		      dg->mpx);

  if (XIGrabDevice (gdk_x11_get_default_xdisplay (),
                    dg->mpx,
                    GDK_ROOT_WINDOW(), CurrentTime,
                    gdk_x11_cursor_get_xcursor (dg->cursor),
                    GrabModeAsync, GrabModeAsync,
                    True, &mask) != GrabSuccess)
    {
      g_warning ("Grab failed.");
    }

  /* probably unnecessary */
  XISetClientPointer (gdk_x11_get_default_xdisplay (),
		      None,
		      current_pointer);

#endif
}

Example #2

File: mcursor.c Project: maruos/mflinger

static void select_events(Display *dpy, Window win)
{
    XIEventMask evmasks[1];
    unsigned char mask1[XIMaskLen(XI_RawMotion)];

    memset(mask1, 0, sizeof(mask1));

    /* Select for motion from the default cursor */
    XISetMask(mask1, XI_RawMotion);

    int pointer_dev_id;

    XIGetClientPointer(dpy, None, &pointer_dev_id);

    evmasks[0].deviceid = pointer_dev_id;
    evmasks[0].mask_len = sizeof(mask1);
    evmasks[0].mask = mask1;

    XISelectEvents(dpy, win, evmasks, 1);
    XFlush(dpy);
}