// NotifyEventNew constructs a NotifyEvent value that implements xgb.Event from a byte slice.
func NotifyEventNew(buf []byte) xgb.Event {
	v := NotifyEvent{}
	b := 1 // don't read event number

	v.State = buf[b]
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Time = xproto.Timestamp(xgb.Get32(buf[b:]))
	b += 4

	v.Root = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	v.Window = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	v.Kind = buf[b]
	b += 1

	if buf[b] == 1 {
		v.Forced = true
	} else {
		v.Forced = false
	}
	b += 1

	b += 14 // padding

	return v
}
Example #2
0
func (self *SessionModule) toX11WindowId(window_id string) (xproto.Window, error) {
	if id_number, err := strconv.Atoi(window_id); err == nil {
		return xproto.Window(uint32(id_number)), nil
	} else {
		return xproto.Window(0), err
	}
}
Example #3
0
// WM_HINTS get
func WmHintsGet(xu *xgbutil.XUtil,
	win xproto.Window) (hints *Hints, err error) {

	lenExpect := 9
	raw, err := xprop.PropValNums(xprop.GetProperty(xu, win, "WM_HINTS"))
	if err != nil {
		return nil, err
	}
	if len(raw) != lenExpect {
		return nil,
			fmt.Errorf("WmHints: There are %d fields in "+
				"WM_HINTS, but xgbutil expects %d.", len(raw), lenExpect)
	}

	hints = &Hints{}
	hints.Flags = raw[0]
	hints.Input = raw[1]
	hints.InitialState = raw[2]
	hints.IconPixmap = xproto.Pixmap(raw[3])
	hints.IconWindow = xproto.Window(raw[4])
	hints.IconX = raw[5]
	hints.IconY = raw[6]
	hints.IconMask = xproto.Pixmap(raw[7])
	hints.WindowGroup = xproto.Window(raw[8])

	return hints, nil
}
// queryInfoReply reads a byte slice into a QueryInfoReply value.
func queryInfoReply(buf []byte) *QueryInfoReply {
	v := new(QueryInfoReply)
	b := 1 // skip reply determinant

	v.State = buf[b]
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	v.SaverWindow = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	v.MsUntilServer = xgb.Get32(buf[b:])
	b += 4

	v.MsSinceUserInput = xgb.Get32(buf[b:])
	b += 4

	v.EventMask = xgb.Get32(buf[b:])
	b += 4

	v.Kind = buf[b]
	b += 1

	b += 7 // padding

	return v
}
Example #5
0
// commandArgsClient scans an argument list for a window id.
// A window id has the form 'win:WINDOW-ID_NUMBER'.
// Both 'win:0x0001' and 'win:1' are valid thanks to Go's ParseInt.
// Finally, if the window id corresponds to managed client, return that
// client. Otherwise, return nil and emit an error if we have an invalid ID.
// We also return a bool as a second argument which should be interpreted
// as whether or not to continue the current operation.
// i.e., not finding anything that looks like a window id is safe to ignore,
// but if we find something like an ID and error out, we should stop the
// command entirely.
func commandArgsClient(args []string) (*client, bool) {
	for _, arg := range args {
		if len(arg) < 5 || arg[0:4] != "win:" {
			continue
		}

		maybeId64, err := strconv.ParseInt(arg[4:], 0, 0)
		if err != nil {
			logger.Warning.Printf("'%s' is not a valid window id.", arg[4:])
			return nil, false
		}

		goodId := xproto.Window(maybeId64)
		for _, c := range wingo.clients {
			if c.Id() == goodId {
				return c, true
			}
		}

		logger.Warning.Printf(
			"'%s' is a valid window ID, but does not match any managed "+
				"window ID by Wingo.", arg[4:])
		return nil, false
	}
	return nil, true
}
Example #6
0
func (m *TrayManager) addTrayIcon(xid xproto.Window) {
	m.checkValid()
	for _, id := range m.TrayIcons {
		if xproto.Window(id) == xid {
			return
		}
	}

	if d, err := damage.NewDamageId(TrayXU.Conn()); err != nil {
		return
	} else {
		m.dmageInfo[xid] = d
		if err := damage.CreateChecked(TrayXU.Conn(), d, xproto.Drawable(xid), damage.ReportLevelRawRectangles).Check(); err != nil {
			logger.Debug("DamageCreate Failed:", err)
			return
		}
	}
	composite.RedirectWindow(TrayXU.Conn(), xid, composite.RedirectAutomatic)

	m.TrayIcons = append(m.TrayIcons, uint32(xid))
	icon := xwindow.New(TrayXU, xid)
	icon.Listen(xproto.EventMaskVisibilityChange | damage.Notify | xproto.EventMaskStructureNotify)
	icon.Change(xproto.CwBackPixel, 0)

	name, err := ewmh.WmNameGet(TrayXU, xid)
	if err != nil {
		logger.Debug("WmNameGet failed:", err, xid)
	}
	m.nameInfo[xid] = name
	m.notifyInfo[xid] = true
	dbus.Emit(m, "Added", uint32(xid))
	logger.Infof("Added try icon: \"%s\"(%d)", name, uint32(xid))
}
Example #7
0
func (tray *SystemTray) event(ev xevent.ClientMessageEvent) {
	if ev.Format != 32 {
		return
	}

	if ev.Type != sysTrayMsgAtom {
		return
	}

	opCode := ev.Data.Data32[1]

	if opCode == 0 {
		// SYSTEM_TRAY_REQUEST_DOCK

		icon := tray.newIcon(xproto.Window(ev.Data.Data32[2]))

		if icon != nil {
			tray.Handler.NewIcon(icon)
		}
	} else if opCode == 1 {
		// Not Implemented.

	} else if opCode == 2 {
		// Not Implemented.

	} else {
		// Do Nothing for now.
		fmt.Printf("[SystemTray] Got unknown opcode: %d", opCode)
	}
}
Example #8
0
// getScreenSizeReply reads a byte slice into a GetScreenSizeReply value.
func getScreenSizeReply(buf []byte) *GetScreenSizeReply {
	v := new(GetScreenSizeReply)
	b := 1 // skip reply determinant

	b += 1 // padding

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	v.Width = xgb.Get32(buf[b:])
	b += 4

	v.Height = xgb.Get32(buf[b:])
	b += 4

	v.Window = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	v.Screen = xgb.Get32(buf[b:])
	b += 4

	return v
}
Example #9
0
// maybe move to apps-builder
func (m *ClientManager) CloseWindow(xid uint32) bool {
	err := ewmh.CloseWindow(XU, xproto.Window(xid))
	if err != nil {
		logger.Warning("Close window failed:", err)
		return false
	}
	return true
}
Example #10
0
func main() {
	// winw, winh := 128, 128
	time.Sleep(time.Nanosecond)

	X, err := xgbutil.NewConn()
	if err != nil {
		log.Fatal(err)
	}

	libre := xproto.Window(0x4a0001d)
	xclock := xproto.Window(0x480000a)

	showIcon(X, libre, "libre")
	showIcon(X, xclock, "xclock")

	xevent.Main(X)
}
Example #11
0
// maybe move to apps-builder
func (m *ClientManager) ActiveWindow(xid uint32) bool {
	err := activateWindow(xproto.Window(xid))
	if err != nil {
		logger.Warning("Actice window failed:", err)
		return false
	}
	return true
}
Example #12
0
func (a *atomic) PropValWindow(reply *xproto.GetPropertyReply, err error) (xproto.Window, error) {
	if err != nil {
		return 0, err
	}
	if reply.Format != 32 {
		return 0, fmt.Errorf("PropValId: Expected format 32 but got %d", reply.Format)
	}
	return xproto.Window(xgb.Get32(reply.Value)), nil
}
Example #13
0
func getWindowPid(X *xgbutil.XUtil, xid uint32) (uint32, error) {
	pid, err := ewmh.WmPidGet(X, xproto.Window(xid))
	if err != nil {
		logger.Warning("Get window pid failed:", err)
		return 0, err
	}

	return uint32(pid), nil
}
Example #14
0
func getWindowName(X *xgbutil.XUtil, xid uint32) (string, error) {
	name, err := ewmh.WmNameGet(X, xproto.Window(xid))
	if err != nil {
		logger.Warning("Get window name failed:", err)
		return "", err
	}

	return name, nil
}
Example #15
0
func getWindowState(X *xgbutil.XUtil, xid uint32) ([]string, error) {
	list, err := ewmh.WmStateGet(X, xproto.Window(xid))
	if err != nil {
		logger.Warning("Get window state failed:", err)
		return []string{}, err
	}

	return list, nil
}
Example #16
0
func (m *TrayManager) checkValid() {
	for _, id := range m.TrayIcons {
		xid := xproto.Window(id)
		if m.isValidWindow(xid) {
			continue
		}

		m.removeTrayIcon(xid)
	}
}
Example #17
0
func main() {
	X, _ := xgbutil.NewConn()

	active, err := ewmh.ActiveWindowGet(X)

	wmName, err := icccm.WmNameGet(X, active)
	showTest("WM_NAME get", wmName, err)

	err = icccm.WmNameSet(X, active, "hooblah")
	wmName, _ = icccm.WmNameGet(X, active)
	showTest("WM_NAME set", wmName, err)

	wmNormHints, err := icccm.WmNormalHintsGet(X, active)
	showTest("WM_NORMAL_HINTS get", wmNormHints, err)

	wmNormHints.Width += 5
	err = icccm.WmNormalHintsSet(X, active, wmNormHints)
	showTest("WM_NORMAL_HINTS set", wmNormHints, err)

	wmHints, err := icccm.WmHintsGet(X, active)
	showTest("WM_HINTS get", wmHints, err)

	wmHints.InitialState = icccm.StateNormal
	err = icccm.WmHintsSet(X, active, wmHints)
	showTest("WM_NORMAL_HINTS set", wmHints, err)

	wmClass, err := icccm.WmClassGet(X, active)
	showTest("WM_CLASS get", wmClass, err)

	wmClass.Instance = "hoopdy hoop"
	err = icccm.WmClassSet(X, active, wmClass)
	showTest("WM_CLASS set", wmClass, err)

	wmTrans, err := icccm.WmTransientForGet(X, active)
	showTest("WM_TRANSIENT_FOR get", wmTrans, err)

	wmProts, err := icccm.WmProtocolsGet(X, active)
	showTest("WM_PROTOCOLS get", wmProts, err)

	wmClient, err := icccm.WmClientMachineGet(X, active)
	showTest("WM_CLIENT_MACHINE get", wmClient, err)

	err = icccm.WmClientMachineSet(X, active, "Leopard")
	wmClient, _ = icccm.WmClientMachineGet(X, active)
	showTest("WM_CLIENT_MACHINE set", wmClient, err)

	wmState, err := icccm.WmStateGet(X, active)
	showTest("WM_STATE get", wmState, err)

	wmState.Icon = xproto.Window(8365538)
	wmState.State = icccm.StateNormal
	err = icccm.WmStateSet(X, active, wmState)
	wmState, _ = icccm.WmStateGet(X, active)
	showTest("WM_STATE set", wmState, err)
}
Example #18
0
func (m *TrayManager) startListener() {
	// to avoid creating too much listener when SelectionNotifyEvent occurs.
	if isListened {
		return
	}
	isListened = true

	for {
		if e, err := TrayXU.Conn().WaitForEvent(); err == nil {
			switch ev := e.(type) {
			case xproto.ClientMessageEvent:
				// logger.Info("ClientMessageEvent")
				if ev.Type == _NET_SYSTEM_TRAY_OPCODE {
					// timeStamp = ev.Data.Data32[0]
					opCode := ev.Data.Data32[1]
					// logger.Info("TRAY_OPCODE")

					switch opCode {
					case OpCodeSystemTrayRequestDock:
						xid := xproto.Window(ev.Data.Data32[2])
						m.addTrayIcon(xid)
					case OpCodeSystemTrayBeginMessage:
					case OpCodeSystemTrayCancelMessage:
					}
				}
			case damage.NotifyEvent:
				m.handleTrayDamage(xproto.Window(ev.Drawable))
			case xproto.DestroyNotifyEvent:
				m.removeTrayIcon(ev.Window)
			case xproto.SelectionClearEvent:
				m.Unmanage()
			case xfixes.SelectionNotifyEvent:
				m.Manage()
			}
		}
	}
}
Example #19
0
func main() {
	X, err := xgb.NewConn()
	if err != nil {
		log.Fatal(err)
	}

	// Get the window id of the root window.
	setup := xproto.Setup(X)
	root := setup.DefaultScreen(X).Root

	// Get the atom id (i.e., intern an atom) of "_NET_ACTIVE_WINDOW".
	aname := "_NET_ACTIVE_WINDOW"
	activeAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
		aname).Reply()
	if err != nil {
		log.Fatal(err)
	}

	// Get the atom id (i.e., intern an atom) of "_NET_WM_NAME".
	aname = "_NET_WM_NAME"
	nameAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
		aname).Reply()
	if err != nil {
		log.Fatal(err)
	}

	// Get the actual value of _NET_ACTIVE_WINDOW.
	// Note that 'reply.Value' is just a slice of bytes, so we use an
	// XGB helper function, 'Get32', to pull an unsigned 32-bit integer out
	// of the byte slice. We then convert it to an X resource id so it can
	// be used to get the name of the window in the next GetProperty request.
	reply, err := xproto.GetProperty(X, false, root, activeAtom.Atom,
		xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
	if err != nil {
		log.Fatal(err)
	}
	windowId := xproto.Window(xgb.Get32(reply.Value))
	fmt.Printf("Active window id: %X\n", windowId)

	// Now get the value of _NET_WM_NAME for the active window.
	// Note that this time, we simply convert the resulting byte slice,
	// reply.Value, to a string.
	reply, err = xproto.GetProperty(X, false, windowId, nameAtom.Atom,
		xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("Active window name: %s\n", string(reply.Value))
}
Example #20
0
// WM_STATE get
func WmStateGet(xu *xgbutil.XUtil, win xproto.Window) (*WmState, error) {
	raw, err := xprop.PropValNums(xprop.GetProperty(xu, win, "WM_STATE"))
	if err != nil {
		return nil, err
	}
	if len(raw) != 2 {
		return nil,
			fmt.Errorf("WmState: Expected two integers in WM_STATE property "+
				"but xgbutil found %d in '%v'.", len(raw), raw)
	}

	return &WmState{
		State: raw[0],
		Icon:  xproto.Window(raw[1]),
	}, nil
}
Example #21
0
func (a *atomic) PropValWindows(reply *xproto.GetPropertyReply, err error) ([]xproto.Window, error) {
	if err != nil {
		return nil, err
	}
	if reply.Format != 32 {
		return nil, fmt.Errorf("PropValIds: Expected format 32 but got %d", reply.Format)
	}

	ids := make([]xproto.Window, reply.ValueLen)
	vals := reply.Value
	for i := 0; len(vals) >= 4; i++ {
		ids[i] = xproto.Window(xgb.Get32(vals))
		vals = vals[4:]
	}
	return ids, nil
}
Example #22
0
// getStateReply reads a byte slice into a GetStateReply value.
func getStateReply(buf []byte) *GetStateReply {
	v := new(GetStateReply)
	b := 1 // skip reply determinant

	v.State = buf[b]
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	v.Window = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	return v
}
Example #23
0
func withClient(cArg gribble.Any, f func(c *xclient.Client)) gribble.Any {
	switch c := cArg.(type) {
	case int:
		if c == 0 {
			return ":void:"
		}
		for _, client_ := range wm.Clients {
			client := client_.(*xclient.Client)
			if int(client.Id()) == c {
				f(client)
				return int(client.Id())
			}
		}
		return ":void:"
	case string:
		switch c {
		case ":void:":
			return ":void:"
		case ":mouse:":
			wid := xproto.Window(wm.MouseClientClicked)
			if client := wm.FindManagedClient(wid); client != nil {
				c := client.(*xclient.Client)
				f(c)
				return int(c.Id())
			} else {
				f(nil)
				return ":void:"
			}
		default:
			for _, client_ := range wm.Clients {
				client := client_.(*xclient.Client)
				name := strings.ToLower(client.Name())
				if strings.Contains(name, strings.ToLower(c)) {
					f(client)
					return int(client.Id())
				}
			}
			return ":void:"
		}
	default:
		panic(fmt.Sprintf("BUG: Unknown Gribble return type: %T", c))
	}
	panic("unreachable")
}
Example #24
0
// getOverlayWindowReply reads a byte slice into a GetOverlayWindowReply value.
func getOverlayWindowReply(buf []byte) *GetOverlayWindowReply {
	v := new(GetOverlayWindowReply)
	b := 1 // skip reply determinant

	b += 1 // padding

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.Length = xgb.Get32(buf[b:]) // 4-byte units
	b += 4

	v.OverlayWin = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	b += 20 // padding

	return v
}
Example #25
0
func (logger *WindowLogger) getCurWindowTitle() (name string, err error) {
	// Get the window id of the root window.
	setup := xproto.Setup(logger.X11Connection)
	root := setup.DefaultScreen(logger.X11Connection).Root

	// Get the atom id (i.e., intern an atom) of "_NET_ACTIVE_WINDOW".
	aname := "_NET_ACTIVE_WINDOW"
	activeAtom, err := xproto.InternAtom(logger.X11Connection, true, uint16(len(aname)),
		aname).Reply()
	if err != nil {
		return "", err
	}

	// Get the atom id (i.e., intern an atom) of "_NET_WM_NAME".
	aname = "_NET_WM_NAME"
	nameAtom, err := xproto.InternAtom(logger.X11Connection, true, uint16(len(aname)),
		aname).Reply()
	if err != nil {
		return "", err
	}

	// Get the actual value of _NET_ACTIVE_WINDOW.
	// Note that 'reply.Value' is just a slice of bytes, so we use an
	// XGB helper function, 'Get32', to pull an unsigned 32-bit integer out
	// of the byte slice. We then convert it to an X resource id so it can
	// be used to get the name of the window in the next GetProperty request.
	reply, err := xproto.GetProperty(logger.X11Connection, false, root, activeAtom.Atom,
		xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
	if err != nil {
		return "", err
	}
	windowId := xproto.Window(xgb.Get32(reply.Value))

	// Now get the value of _NET_WM_NAME for the active window.
	// Note that this time, we simply convert the resulting byte slice,
	// reply.Value, to a string.
	reply, err = xproto.GetProperty(logger.X11Connection, false, windowId, nameAtom.Atom,
		xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
	if err != nil {
		return "", err
	}
	return string(reply.Value), nil
}
Example #26
0
// NotifyEventNew constructs a NotifyEvent value that implements xgb.Event from a byte slice.
func NotifyEventNew(buf []byte) xgb.Event {
	v := NotifyEvent{}
	b := 1 // don't read event number

	v.ShapeKind = Kind(buf[b])
	b += 1

	v.Sequence = xgb.Get16(buf[b:])
	b += 2

	v.AffectedWindow = xproto.Window(xgb.Get32(buf[b:]))
	b += 4

	v.ExtentsX = int16(xgb.Get16(buf[b:]))
	b += 2

	v.ExtentsY = int16(xgb.Get16(buf[b:]))
	b += 2

	v.ExtentsWidth = xgb.Get16(buf[b:])
	b += 2

	v.ExtentsHeight = xgb.Get16(buf[b:])
	b += 2

	v.ServerTime = xproto.Timestamp(xgb.Get32(buf[b:]))
	b += 4

	if buf[b] == 1 {
		v.Shaped = true
	} else {
		v.Shaped = false
	}
	b += 1

	b += 11 // padding

	return v
}
Example #27
0
func (m *TrayManager) Unmanage() bool {
	reply, err := m.getSelectionOwner()
	if err != nil {
		logger.Warning("get selection owner failed:", err)
		return false
	}
	if reply.Owner != m.owner {
		logger.Warning("not selection owner")
		return false
	}

	m.destroyOwnerWindow()
	trayicons := m.TrayIcons
	for _, icon := range trayicons {
		m.removeTrayIcon(xproto.Window(icon))
	}
	timeStamp, _ := ewmh.WmUserTimeGet(TrayXU, m.owner)
	return xproto.SetSelectionOwnerChecked(
		TrayXU.Conn(),
		0,
		_NET_SYSTEM_TRAY_S0,
		xproto.Timestamp(timeStamp),
	).Check() == nil
}
// processEventQueue processes every item in the event/error queue.
func processEventQueue(xu *xgbutil.XUtil, pingBefore, pingAfter chan struct{}) {
	for !Empty(xu) {
		if Quitting(xu) {
			return
		}

		// We send the ping *before* the next event is dequeued.
		// This is so the queue doesn't present a misrepresentation of which
		// events haven't been processed yet.
		if pingBefore != nil && pingAfter != nil {
			pingBefore <- struct{}{}
		}
		ev, err := Dequeue(xu)

		// If we gobbled up an error, send it to the error event handler
		// and move on the next event/error.
		if err != nil {
			ErrorHandlerGet(xu)(err)
			if pingBefore != nil && pingAfter != nil {
				pingAfter <- struct{}{}
			}
			continue
		}

		// We know there isn't an error. If there isn't an event either,
		// then there's a bug somewhere.
		if ev == nil {
			xgbutil.Logger.Fatal("BUG: Expected an event but got nil.")
		}

		hooks := getHooks(xu)
		for _, hook := range hooks {
			if !hook.Run(xu, ev) {
				goto END
			}
		}

		switch event := ev.(type) {
		case xproto.KeyPressEvent:
			e := KeyPressEvent{&event}

			// If we're redirecting key events, this is the place to do it!
			if wid := RedirectKeyGet(xu); wid > 0 {
				e.Event = wid
			}

			xu.TimeSet(e.Time)
			runCallbacks(xu, e, KeyPress, e.Event)
		case xproto.KeyReleaseEvent:
			e := KeyReleaseEvent{&event}

			// If we're redirecting key events, this is the place to do it!
			if wid := RedirectKeyGet(xu); wid > 0 {
				e.Event = wid
			}

			xu.TimeSet(e.Time)
			runCallbacks(xu, e, KeyRelease, e.Event)
		case xproto.ButtonPressEvent:
			e := ButtonPressEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, ButtonPress, e.Event)
		case xproto.ButtonReleaseEvent:
			e := ButtonReleaseEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, ButtonRelease, e.Event)
		case xproto.MotionNotifyEvent:
			e := MotionNotifyEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, MotionNotify, e.Event)
		case xproto.EnterNotifyEvent:
			e := EnterNotifyEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, EnterNotify, e.Event)
		case xproto.LeaveNotifyEvent:
			e := LeaveNotifyEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, LeaveNotify, e.Event)
		case xproto.FocusInEvent:
			e := FocusInEvent{&event}
			runCallbacks(xu, e, FocusIn, e.Event)
		case xproto.FocusOutEvent:
			e := FocusOutEvent{&event}
			runCallbacks(xu, e, FocusOut, e.Event)
		case xproto.KeymapNotifyEvent:
			e := KeymapNotifyEvent{&event}
			runCallbacks(xu, e, KeymapNotify, NoWindow)
		case xproto.ExposeEvent:
			e := ExposeEvent{&event}
			runCallbacks(xu, e, Expose, e.Window)
		case xproto.GraphicsExposureEvent:
			e := GraphicsExposureEvent{&event}
			runCallbacks(xu, e, GraphicsExposure, xproto.Window(e.Drawable))
		case xproto.NoExposureEvent:
			e := NoExposureEvent{&event}
			runCallbacks(xu, e, NoExposure, xproto.Window(e.Drawable))
		case xproto.VisibilityNotifyEvent:
			e := VisibilityNotifyEvent{&event}
			runCallbacks(xu, e, VisibilityNotify, e.Window)
		case xproto.CreateNotifyEvent:
			e := CreateNotifyEvent{&event}
			runCallbacks(xu, e, CreateNotify, e.Parent)
		case xproto.DestroyNotifyEvent:
			e := DestroyNotifyEvent{&event}
			runCallbacks(xu, e, DestroyNotify, e.Window)
		case xproto.UnmapNotifyEvent:
			e := UnmapNotifyEvent{&event}
			runCallbacks(xu, e, UnmapNotify, e.Window)
		case xproto.MapNotifyEvent:
			e := MapNotifyEvent{&event}
			runCallbacks(xu, e, MapNotify, e.Event)
		case xproto.MapRequestEvent:
			e := MapRequestEvent{&event}
			runCallbacks(xu, e, MapRequest, e.Window)
			runCallbacks(xu, e, MapRequest, e.Parent)
		case xproto.ReparentNotifyEvent:
			e := ReparentNotifyEvent{&event}
			runCallbacks(xu, e, ReparentNotify, e.Window)
		case xproto.ConfigureNotifyEvent:
			e := ConfigureNotifyEvent{&event}
			runCallbacks(xu, e, ConfigureNotify, e.Window)
		case xproto.ConfigureRequestEvent:
			e := ConfigureRequestEvent{&event}
			runCallbacks(xu, e, ConfigureRequest, e.Window)
			runCallbacks(xu, e, ConfigureRequest, e.Parent)
		case xproto.GravityNotifyEvent:
			e := GravityNotifyEvent{&event}
			runCallbacks(xu, e, GravityNotify, e.Window)
		case xproto.ResizeRequestEvent:
			e := ResizeRequestEvent{&event}
			runCallbacks(xu, e, ResizeRequest, e.Window)
		case xproto.CirculateNotifyEvent:
			e := CirculateNotifyEvent{&event}
			runCallbacks(xu, e, CirculateNotify, e.Window)
		case xproto.CirculateRequestEvent:
			e := CirculateRequestEvent{&event}
			runCallbacks(xu, e, CirculateRequest, e.Window)
		case xproto.PropertyNotifyEvent:
			e := PropertyNotifyEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, PropertyNotify, e.Window)
		case xproto.SelectionClearEvent:
			e := SelectionClearEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, SelectionClear, e.Owner)
		case xproto.SelectionRequestEvent:
			e := SelectionRequestEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, SelectionRequest, e.Requestor)
		case xproto.SelectionNotifyEvent:
			e := SelectionNotifyEvent{&event}
			xu.TimeSet(e.Time)
			runCallbacks(xu, e, SelectionNotify, e.Requestor)
		case xproto.ColormapNotifyEvent:
			e := ColormapNotifyEvent{&event}
			runCallbacks(xu, e, ColormapNotify, e.Window)
		case xproto.ClientMessageEvent:
			e := ClientMessageEvent{&event}
			runCallbacks(xu, e, ClientMessage, e.Window)
		case xproto.MappingNotifyEvent:
			e := MappingNotifyEvent{&event}
			runCallbacks(xu, e, MappingNotify, NoWindow)
		case shape.NotifyEvent:
			e := ShapeNotifyEvent{&event}
			runCallbacks(xu, e, ShapeNotify, e.AffectedWindow)
		default:
			if event != nil {
				xgbutil.Logger.Printf("ERROR: UNSUPPORTED EVENT TYPE: %T",
					event)
			}
		}

	END:

		if pingBefore != nil && pingAfter != nil {
			pingAfter <- struct{}{}
		}
	}
}
Example #29
0
// own requests ownership over the role of window manager in the current
// X environment. It can fail if it does not successfully get ownership.
//
// When 'replace' is true, Wingo will attempt to replace an window manager
// that is currently running. Otherwise, Wingo will quit if a window manager
// is running.
func own(X *xgbutil.XUtil, replace bool) error {
	otherWmRunning := false
	otherWmName := ""
	otherWmOwner := xproto.Window(xproto.WindowNone)

	xTime, err := currentTime(X)
	if err != nil {
		return err
	}

	selAtom, err := managerAtom(X)
	if err != nil {
		return err
	}

	// Check to see if we need to replace. If so, determine whether to
	// continue based on `replace`.
	reply, err := xproto.GetSelectionOwner(X.Conn(), selAtom).Reply()
	if err != nil {
		return err
	}
	if reply.Owner != xproto.WindowNone {
		otherWmRunning = true
		otherWmOwner = reply.Owner

		// Look for the window manager's name for a nicer error message.
		otherWmName, err = ewmh.GetEwmhWM(X)
		if err != nil || len(otherWmName) == 0 {
			otherWmName = "Unknown"
		}

		// We need to listen for DestroyNotify events on the selection
		// owner in case we need to replace the WM.
		owner := xwindow.New(X, reply.Owner)
		if err = owner.Listen(xproto.EventMaskStructureNotify); err != nil {
			return err
		}
	}
	if otherWmRunning {
		if !replace {
			return fmt.Errorf(
				"Another window manager (%s) is already running. Please use "+
					"the '--replace' option to replace the current window "+
					"manager with Wingo.", otherWmName)
		} else {
			logger.Message.Printf(
				"Waiting for %s to shutdown and transfer ownership to us.",
				otherWmName)
		}
	}

	logger.Message.Printf("Setting selection owner...")
	err = xproto.SetSelectionOwnerChecked(
		X.Conn(), X.Dummy(), selAtom, xTime).Check()
	if err != nil {
		return err
	}

	// Now we've got to make sure that we *actually* got ownership.
	logger.Message.Printf("Getting selection owner...")
	reply, err = xproto.GetSelectionOwner(X.Conn(), selAtom).Reply()
	if err != nil {
		return err
	}
	if reply.Owner != X.Dummy() {
		return fmt.Errorf(
			"Could not acquire ownership with SetSelectionOwner. "+
				"GetSelectionOwner claims that '%d' is the owner, but '%d' "+
				"needs to be.", reply.Owner, X.Dummy())
	}

	// While X now acknowledges us as the selection owner, it's possible
	// that the window manager is misbehaving. ICCCM 2.8 calls for the previous
	// manager to destroy the selection owner when it's OK for us to take
	// over. Otherwise, listening to SubstructureRedirect on the root window
	// might fail if we move too quickly.
	timeout := time.After(3 * time.Second)
	if otherWmRunning {
	OTHER_WM_SHUTDOWN:
		for {
			select {
			case <-timeout:
				return fmt.Errorf(
					"Wingo failed to replace the currently running window "+
						"manager (%s). Namely, Wingo was not able to detect "+
						"that the current window manager had shut down.",
					otherWmName)
			default:
				logger.Message.Printf("Polling for event...")
				ev, err := X.Conn().PollForEvent()
				if err != nil {
					continue
				}
				logger.Message.Printf("Got event, error: %s -- %s", ev, err)
				if destNotify, ok := ev.(xproto.DestroyNotifyEvent); ok {
					if destNotify.Window == otherWmOwner {
						break OTHER_WM_SHUTDOWN
					}
				}
				time.Sleep(100 * time.Millisecond)
			}
		}
	}

	logger.Message.Println("Wingo has window manager ownership!")
	announce(X)

	// Listen for SelectionClear events. When we get one of these, then we
	// know a window manager is trying to replace us.
	xevent.SelectionClearFun(disown).Connect(X, X.Dummy())
	return nil
}
Example #30
0
// Listen ...
func Listen(fn func(e Event)) error {
	X, err := xgb.NewConn()
	if err != nil {
		log.Fatal(err)
	}

	setup := xproto.Setup(X)
	root := setup.DefaultScreen(X).Root

	var prevWindowID xproto.Window
	var prevClasses []string

	for {
		<-time.After(msRefresh * time.Millisecond)

		// From one of the xgb examples.
		aname := "_NET_ACTIVE_WINDOW"
		activeAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
			aname).Reply()
		if err != nil {
			log.Println(err)
			continue
		}

		reply, err := xproto.GetProperty(X, false, root, activeAtom.Atom,
			xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
		if err != nil {
			log.Println(err)
			continue
		}

		windowID := xproto.Window(xgb.Get32(reply.Value))

		aname = "WM_CLASS"
		nameAtom, err := xproto.InternAtom(X, true, uint16(len(aname)),
			aname).Reply()
		if err != nil {
			log.Println(err)
			continue
		}

		reply, err = xproto.GetProperty(X, false, windowID, nameAtom.Atom,
			xproto.GetPropertyTypeAny, 0, (1<<32)-1).Reply()
		if err != nil {
			log.Println(err)
			continue
		}

		classes := stringSlice(reply.Value)

		// Check if active window has changed since last time.
		if windowID != prevWindowID {
			fn(Lost{
				WMClass: prevClasses,
			})
			fn(Gained{
				WMClass: classes,
			})
			prevWindowID = windowID
			prevClasses = classes
		}
	}
}