Beispiel #1
0
// Lock grabs the keyboard and pointer locking the X11 display
func Lock(X *xgb.Conn) error {
	screen := xproto.Setup(X).DefaultScreen(X)

	passEventsToOwner := false
	kbCookie := xproto.GrabKeyboard(X, passEventsToOwner, screen.Root, xproto.TimeCurrentTime, xproto.GrabModeAsync, xproto.GrabModeAsync)
	kbReply, err := kbCookie.Reply()
	if err != nil {
		return err
	}
	if kbReply.Status != xproto.GrabStatusSuccess {
		return fmt.Errorf("GrabKeyboard status %v", grabStatus(kbReply.Status))
	}

	ptrCookie := xproto.GrabPointer(X, passEventsToOwner, screen.Root, 0, xproto.GrabModeAsync, xproto.GrabModeAsync, xproto.AtomNone, xproto.AtomNone, xproto.TimeCurrentTime)

	ptrReply, err := ptrCookie.Reply()
	if err != nil {
		xproto.UngrabKeyboard(X, xproto.TimeCurrentTime)
		return err
	}
	if ptrReply.Status != xproto.GrabStatusSuccess {
		return fmt.Errorf("GrabPointer status %v", grabStatus(kbReply.Status))
	}

	return nil
}
Beispiel #2
0
// UngrabKeyboard undoes GrabKeyboard.
func UngrabKeyboard(xu *xgbutil.XUtil) {
	xproto.UngrabKeyboard(xu.Conn(), 0)
}
Beispiel #3
0
// Unlock restores user control of keyboard and pointer
func Unlock(X *xgb.Conn) {
	xproto.UngrabKeyboard(X, xproto.TimeCurrentTime)

	xproto.UngrabPointer(X, xproto.TimeCurrentTime)
}