Exemplo n.º 1
0
func connect(c *xgb.Conn, s *xproto.ScreenInfo, rl_execute_atom xproto.Atom, args []string) {
	log.Println("Connecting with args:", args)

	tree, err := xproto.QueryTree(c, s.Root).Reply()
	if err != nil {
		log.Panic("QueryTree failed:", err)
	}

	// Broadcast a property request to every window
	results := make([]xproto.GetPropertyCookie, len(tree.Children))
	for ch, child := range tree.Children {
		results[ch] = xproto.GetProperty(c, false, child,
			rl_execute_atom, xproto.GetPropertyTypeAny, 0, 1024)
	}

	success := false
	// Get the responses, look for windows that can recieve our command
	for i, r := range results {
		reply, err := r.Reply()
		if err != nil {
			log.Panic("GetPropertyRequest failed:", err)
		}
		if reply.Format != 0 {
			data := []byte(strings.Join(args, "\x00"))
			err = xproto.ChangePropertyChecked(c, xproto.PropModeReplace, tree.Children[i],
				rl_execute_atom, xproto.AtomString, 8, uint32(len(data)), data).Check()
			log.Println(" .. sent")
			success = true
		}
	}
	if success != true {
		log.Println(" .. server not running? atom = ", rl_execute_atom)
	}
}
Exemplo n.º 2
0
// Parent queries the QueryTree and finds the parent window.
func (w *Window) Parent() (*Window, error) {
	tree, err := xproto.QueryTree(w.X.Conn(), w.Id).Reply()
	if err != nil {
		return nil, fmt.Errorf("ParentWindow: Error retrieving parent window "+
			"for %x: %s", w.Id, err)
	}
	return New(w.X, tree.Parent), nil
}
Exemplo n.º 3
0
// manageExistingClients traverse the window tree and tries to manage all
// top-level clients. Clients that are not in the Unmapped state will be
// managed.
func manageExistingClients() {
	tree, err := xproto.QueryTree(wm.X.Conn(), wm.Root.Id).Reply()
	if err != nil {
		logger.Warning.Printf("Could not issue QueryTree request: %s", err)
		return
	}
	for _, potential := range tree.Children {
		// Ignore our own dummy window...
		if potential == wm.X.Dummy() {
			continue
		}

		attrs, err := xproto.GetWindowAttributes(wm.X.Conn(), potential).Reply()
		if err != nil {
			continue
		}
		if attrs.MapState == xproto.MapStateUnmapped {
			continue
		}
		logger.Message.Printf("Managing existing client %d", potential)
		xclient.New(potential)
	}
}
Exemplo n.º 4
0
func main() {
	var err error
	xConn, err = xgb.NewConn()
	if err != nil {
		log.Fatal(err)
	}
	if err = xinerama.Init(xConn); err != nil {
		log.Fatal(err)
	}
	xSetup := xp.Setup(xConn)
	if len(xSetup.Roots) != 1 {
		log.Fatalf("X setup has unsupported number of roots: %d", len(xSetup.Roots))
	}
	rootXWin = xSetup.Roots[0].Root

	becomeTheWM()
	initAtoms()
	initDesktop(&xSetup.Roots[0])
	initKeyboardMapping()
	initScreens()

	// Manage any existing windows.
	if tree, err := xp.QueryTree(xConn, rootXWin).Reply(); err != nil {
		log.Fatal(err)
	} else if tree != nil {
		for _, c := range tree.Children {
			if c == desktopXWin {
				continue
			}
			attrs, err := xp.GetWindowAttributes(xConn, c).Reply()
			if attrs == nil || err != nil {
				continue
			}
			if attrs.OverrideRedirect || attrs.MapState == xp.MapStateUnmapped {
				continue
			}
			manage(c, false)
		}
	}

	// Process X events.
	eeChan := make(chan xEventOrError)
	go func() {
		for {
			e, err := xConn.WaitForEvent()
			eeChan <- xEventOrError{e, err}
		}
	}()
	for {
		for i, c := range checkers {
			if err := c.Check(); err != nil {
				log.Println(err)
			}
			checkers[i] = nil
		}
		checkers = checkers[:0]

		select {
		case f := <-proactiveChan:
			f()
		case ee := <-eeChan:
			if ee.error != nil {
				log.Println(ee.error)
				continue
			}
			switch e := ee.event.(type) {
			case xp.ButtonPressEvent:
				eventTime = e.Time
				handleButtonPress(e)
			case xp.ButtonReleaseEvent:
				eventTime = e.Time
			case xp.ClientMessageEvent:
				// No-op.
			case xp.ConfigureNotifyEvent:
				// No-op.
			case xp.ConfigureRequestEvent:
				handleConfigureRequest(e)
			case xp.DestroyNotifyEvent:
				// No-op.
			case xp.EnterNotifyEvent:
				eventTime = e.Time
				handleEnterNotify(e)
			case xp.ExposeEvent:
				handleExpose(e)
			case xp.KeyPressEvent:
				eventTime, keyRootX, keyRootY, keyState = e.Time, e.RootX, e.RootY, e.State
				handleKeyPress(e)
			case xp.KeyReleaseEvent:
				eventTime, keyRootX, keyRootY, keyState = e.Time, 0, 0, 0
			case xp.MapNotifyEvent:
				// No-op.
			case xp.MappingNotifyEvent:
				// No-op.
			case xp.MapRequestEvent:
				manage(e.Window, true)
			case xp.MotionNotifyEvent:
				eventTime = e.Time
				handleMotionNotify(e)
			case xp.UnmapNotifyEvent:
				unmanage(e.Window)
			default:
				log.Printf("unhandled event: %v", ee.event)
			}
		}
	}
}