func (c *Client) Close() {
if strIndex("WM_DELETE_WINDOW", c.protocols) > -1 {
wm_protocols, err := xprop.Atm(wm.X, "WM_PROTOCOLS")
if err != nil {
logger.Warning.Println(err)
return
}
wm_del_win, err := xprop.Atm(wm.X, "WM_DELETE_WINDOW")
if err != nil {
logger.Warning.Println(err)
return
}
cm, err := xevent.NewClientMessage(32, c.Id(), wm_protocols,
int(wm_del_win))
if err != nil {
logger.Warning.Println(err)
return
}
err = xproto.SendEventChecked(wm.X.Conn(), false, c.Id(), 0,
string(cm.Bytes())).Check()
if err != nil {
logger.Message.Printf("Could not send WM_DELETE_WINDOW "+
"ClientMessage because: %s", err)
}
} else {
c.win.Kill() // HULK SMASH!
}
}
func Focus(c Client) {
Remove(c)
if c.CanFocus() || c.SendFocusNotify() {
Clients = append(Clients, c)
c.PrepareForFocus()
c.Focused()
}
if c.CanFocus() {
c.Win().Focus()
}
if c.SendFocusNotify() {
protsAtm, err := xprop.Atm(X, "WM_PROTOCOLS")
if err != nil {
logger.Warning.Println(err)
return
}
takeFocusAtm, err := xprop.Atm(X, "WM_TAKE_FOCUS")
if err != nil {
logger.Warning.Println(err)
return
}
cm, err := xevent.NewClientMessage(32, c.Id(), protsAtm,
int(takeFocusAtm), int(X.TimeGet()))
if err != nil {
logger.Warning.Println(err)
return
}
xproto.SendEvent(X.Conn(), false, c.Id(), 0, string(cm.Bytes()))
}
}
// currentTime forcefully causes a PropertyNotify event to fire on the root
// window, then scans the event queue and picks up the time.
//
// It is NOT SAFE to call this function in a place other than Wingo's
// initialization. Namely, this function subverts xevent's queue and reads
// events directly from X.
func currentTime(X *xgbutil.XUtil) (xproto.Timestamp, error) {
wmClassAtom, err := xprop.Atm(X, "WM_CLASS")
if err != nil {
return 0, err
}
stringAtom, err := xprop.Atm(X, "STRING")
if err != nil {
return 0, err
}
// Make sure we're listening to PropertyChange events on the root window.
err = xwindow.New(X, X.RootWin()).Listen(xproto.EventMaskPropertyChange)
if err != nil {
return 0, fmt.Errorf(
"Could not listen to Root window events (PropertyChange): %s", err)
}
// Do a zero-length append on a property as suggested by ICCCM 2.1.
err = xproto.ChangePropertyChecked(
X.Conn(), xproto.PropModeAppend, X.RootWin(),
wmClassAtom, stringAtom, 8, 0, nil).Check()
if err != nil {
return 0, err
}
// Now look for the PropertyNotify generated by that zero-length append
// and return the timestamp attached to that event.
// Note that we do this outside of xgbutil/xevent, since ownership
// is literally the first thing we do after connecting to X.
// (i.e., we don't have our event handling system initialized yet.)
timeout := time.After(3 * time.Second)
for {
select {
case <-timeout:
return 0, fmt.Errorf(
"Expected a PropertyNotify event to get a valid timestamp, " +
"but never received one.")
default:
ev, err := X.Conn().PollForEvent()
if err != nil {
continue
}
if propNotify, ok := ev.(xproto.PropertyNotifyEvent); ok {
X.TimeSet(propNotify.Time) // why not?
return propNotify.Time, nil
}
time.Sleep(100 * time.Millisecond)
}
}
panic("unreachable")
}
func (m *TrayManager) RequireManageTrayIcons() {
mstype, err := xprop.Atm(TrayXU, "MANAGER")
if err != nil {
logger.Warning("Get MANAGER Failed")
return
}
timeStamp, _ := ewmh.WmUserTimeGet(TrayXU, m.owner)
cm, err := xevent.NewClientMessage(
32,
TrayXU.RootWin(),
mstype,
int(timeStamp),
int(_NET_SYSTEM_TRAY_S0),
int(m.owner),
)
if err != nil {
logger.Warning("Send MANAGER Request failed:", err)
return
}
// !!! ewmh.ClientEvent not use EventMaskStructureNotify.
xevent.SendRootEvent(TrayXU, cm,
uint32(xproto.EventMaskStructureNotify))
}
func newFullScreenWorkaround() *fullScreenWorkaround {
XU, _ := xgbutil.NewConn()
ACTIVE_WINDOW, _ := xprop.Atm(XU, "_NET_ACTIVE_WINDOW")
w := &fullScreenWorkaround{
XU, []string{"libflash", "chrome", "mplayer", "operaplugin", "soffice", "wpp", "evince", "vlc", "totem"}, ACTIVE_WINDOW, false,
}
return w
}
// _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)
}
// announce sends a ClientMessage event to the root window to let everyone
// know that Wingo is the boss. (As per ICCCM 2.8.)
func announce(X *xgbutil.XUtil) {
typAtom, err := xprop.Atm(X, "MANAGER")
if err != nil {
logger.Warning.Println(err)
return
}
manSelAtom, err := managerAtom(X)
if err != nil {
logger.Warning.Println(err)
return
}
cm, err := xevent.NewClientMessage(32, X.RootWin(), typAtom,
int(X.TimeGet()), int(manSelAtom), int(X.Dummy()))
xproto.SendEvent(X.Conn(), false, X.RootWin(),
xproto.EventMaskStructureNotify, string(cm.Bytes()))
}
// 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))
}
// managerAtom returns an xproto.Atom of the manager selection atom.
// Usually it's "WM_S0", where "0" is the screen number.
func managerAtom(X *xgbutil.XUtil) (xproto.Atom, error) {
name := fmt.Sprintf("WM_S%d", X.Conn().DefaultScreen)
return xprop.Atm(X, name)
}
func initAtom() {
_NET_SHOWING_DESKTOP, _ = xprop.Atm(XU, "_NET_SHOWING_DESKTOP")
DEEPIN_SCREEN_VIEWPORT, _ = xprop.Atm(XU, "DEEPIN_SCREEN_VIEWPORT")
_NET_CLIENT_LIST, _ = xprop.Atm(XU, "_NET_CLIENT_LIST")
_NET_ACTIVE_WINDOW, _ = xprop.Atm(XU, "_NET_ACTIVE_WINDOW")
ATOM_WINDOW_ICON, _ = xprop.Atm(XU, "_NET_WM_ICON")
ATOM_WINDOW_NAME, _ = xprop.Atm(XU, "_NET_WM_NAME")
ATOM_WINDOW_STATE, _ = xprop.Atm(XU, "_NET_WM_STATE")
ATOM_WINDOW_TYPE, _ = xprop.Atm(XU, "_NET_WM_WINDOW_TYPE")
ATOM_DOCK_APP_ID, _ = xprop.Atm(XU, "_DDE_DOCK_APP_ID")
_NET_SYSTEM_TRAY_S0, _ = xprop.Atm(TrayXU, "_NET_SYSTEM_TRAY_S0")
_NET_SYSTEM_TRAY_OPCODE, _ = xprop.Atm(TrayXU, "_NET_SYSTEM_TRAY_OPCODE")
}