// _NET_WM_SYNC_REQUEST req extra
func WmSyncRequestExtra(xu *xgbutil.XUtil, win xproto.Window, reqNum uint64,
time xproto.Timestamp) error {
syncReq, err := xprop.Atm(xu, "_NET_WM_SYNC_REQUEST")
if err != nil {
return err
}
high := int(reqNum >> 32)
low := int(reqNum<<32 ^ reqNum)
return ClientEvent(xu, win, "WM_PROTOCOLS", int(syncReq), int(time),
low, high)
}
// ClientEvent is a convenience function that sends ClientMessage events
// to the root window as specified by the EWMH spec.
func ClientEvent(xu *xgbutil.XUtil, window xproto.Window, messageType string,
data ...interface{}) error {
mstype, err := xprop.Atm(xu, messageType)
if err != nil {
return err
}
evMask := (xproto.EventMaskSubstructureNotify |
xproto.EventMaskSubstructureRedirect)
cm, err := xevent.NewClientMessage(32, window, mstype, data...)
if err != nil {
return err
}
return xevent.SendRootEvent(xu, cm, uint32(evMask))
}
// _NET_WM_PING req extra
func WmPingExtra(xu *xgbutil.XUtil, win xproto.Window, response bool,
time xproto.Timestamp) error {
pingAtom, err := xprop.Atm(xu, "_NET_WM_PING")
if err != nil {
return err
}
var evWindow xproto.Window
if response {
evWindow = xu.RootWin()
} else {
evWindow = win
}
return ClientEvent(xu, evWindow, "WM_PROTOCOLS", int(pingAtom), int(time),
int(win))
}