XGrabButton(ob_display, button, state | mask_list[i], win, False, mask,
pointer_mode, GrabModeAsync, None, ob_cursor(cur));
obt_display_ignore_errors(ob_display, FALSE);
XGrabButton(ob_display, button, state | mask_list[i], win, False, mask,
pointer_mode, GrabModeAsync, None, ob_cursor(cur));
obt_display_ignore_errors(ob_display, FALSE);