Beispiel #1
0
func (ms Monitors) Init(e *Euclid, x XHandle) (bool, bool) {
	var rr, xn bool
	c := x.Conn()

	err := randr.Init(c)
	if err == nil && ms.Update(e, x, false, false, false) {
		rr = true
		randr.SelectInputChecked(c, x.Root(), randr.NotifyMaskScreenChange)
	} else {
		rr = false
		err = xinerama.Init(c)
		if err == nil {
			xia, err := xinerama.IsActive(c).Reply()
			if xia != nil && err == nil {
				xn = true
				xsq, _ := xinerama.QueryScreens(c).Reply()
				xsi := xsq.ScreenInfo
				for i := 0; i < len(xsi); i++ {
					info := xsi[i]
					rect := xproto.Rectangle{info.XOrg, info.YOrg, info.Width, info.Height}
					ms.Add(e, x, rect)
				}
			} else {
				s := x.Screen()
				rect := xproto.Rectangle{0, 0, s.WidthInPixels, s.HeightInPixels}
				ms.Add(e, x, rect)
			}
		}
	}
	return rr, xn
}
Beispiel #2
0
func run() error {
	Xu, err := xgbutil.NewConn()
	if err != nil {
		return err
	}
	defer Xu.Conn().Close()
	keybind.Initialize(Xu)
	if err := randr.Init(Xu.Conn()); err != nil {
		return err
	}

	audio, err := newAudio(Xu)
	if err != nil {
		return err
	}
	defer audio.Close()

	brightness, err := newBrightness(Xu)
	if err != nil {
		return err
	}
	defer brightness.Close()

	xevent.Main(Xu)
	return nil
}
Beispiel #3
0
func getPrimaryScreenBestResolution() (w uint16, h uint16) {
	// if connect to x failed, just return 1024x768
	w, h = 1024, 768

	XU, err := xgbutil.NewConn()
	if err != nil {
		return
	}
	err = randr.Init(XU.Conn())
	if err != nil {
		return
	}
	_, err = randr.QueryVersion(XU.Conn(), 1, 4).Reply()
	if err != nil {
		return
	}
	Root := xproto.Setup(XU.Conn()).DefaultScreen(XU.Conn()).Root
	resources, err := randr.GetScreenResources(XU.Conn(), Root).Reply()
	if err != nil {
		return
	}

	bestModes := make([]uint32, 0)
	for _, output := range resources.Outputs {
		reply, err := randr.GetOutputInfo(XU.Conn(), output, 0).Reply()
		if err == nil && reply.NumModes > 1 {
			bestModes = append(bestModes, uint32(reply.Modes[0]))
		}
	}

	w, h = 0, 0
	for _, m := range resources.Modes {
		for _, id := range bestModes {
			if id == m.Id {
				bw, bh := m.Width, m.Height
				if w == 0 || h == 0 {
					w, h = bw, bh
				} else if uint32(bw)*uint32(bh) < uint32(w)*uint32(h) {
					w, h = bw, bh
				}
			}
		}
	}

	if w == 0 || h == 0 {
		// get resource failed, use root window's geometry
		rootRect := xwindow.RootGeometry(XU)
		w, h = uint16(rootRect.Width()), uint16(rootRect.Height())
	}

	if w == 0 || h == 0 {
		w, h = 1024, 768 // default value
	}

	logger.Debugf("primary screen's best resolution is %dx%d", w, h)
	return
}
Beispiel #4
0
func TestNewBG(t *testing.T) {
	X, err := xgbutil.NewConn()
	if err != nil {
		t.Errorf("%s\n", err)
	}
	randr.Init(X.Conn())
	_, err = NewBackground(X)
	if err != nil {
		t.Errorf("%s\n", err)
	}
}
Beispiel #5
0
func subscribeXEvents(ch chan<- Event, done <-chan struct{}) {
	X, err := xgb.NewConn()
	if err != nil {
		ch <- Event{Error: err}
		return
	}

	defer X.Close()
	if err = randr.Init(X); err != nil {
		ch <- Event{Error: err}
		return
	}

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

	eventMask := randr.NotifyMaskScreenChange |
		randr.NotifyMaskCrtcChange |
		randr.NotifyMaskOutputChange |
		randr.NotifyMaskOutputProperty

	err = randr.SelectInputChecked(X, root, uint16(eventMask)).Check()
	if err != nil {
		ch <- Event{Error: err}
		return
	}

	for {
		ev, err := X.WaitForEvent()
		select {
		case ch <- Event{Event: ev, Error: err}:
		case <-time.After(eventSendTimeout):
			continue
		case <-done:
			return
		}
		if err != nil {
			log.Fatal(err)
		}
	}
}
Beispiel #6
0
func main() {
	X, err := xgb.NewConn()
	if err != nil {
		log.Fatal(err)
	}

	err = randr.Init(X)
	if err != nil {
		log.Fatal(err)
	}

	conf := newConfig()
	hds := newHeads(X)

	if cmdInfo, ok := commands[command]; ok {
		cmdInfo.f(conf, hds)
	} else {
		fmt.Fprintf(os.Stderr, "Unknown command '%s'.\n", command)
		flag.Usage()
	}
	os.Exit(0)
}
Beispiel #7
0
func main() {
	X, _ := xgb.NewConn()

	// Every extension must be initialized before it can be used.
	err := randr.Init(X)
	if err != nil {
		log.Fatal(err)
	}

	// Get the root window on the default screen.
	root := xproto.Setup(X).DefaultScreen(X).Root

	// Gets the current screen resources. Screen resources contains a list
	// of names, crtcs, outputs and modes, among other things.
	resources, err := randr.GetScreenResources(X, root).Reply()
	if err != nil {
		log.Fatal(err)
	}

	// Iterate through all of the outputs and show some of their info.
	for _, output := range resources.Outputs {
		info, err := randr.GetOutputInfo(X, output, 0).Reply()
		if err != nil {
			log.Fatal(err)
		}

		bestMode := info.Modes[0]
		for _, mode := range resources.Modes {
			if mode.Id == uint32(bestMode) {
				fmt.Printf("Width: %d, Height: %d\n", mode.Width, mode.Height)
			}
		}
	}

	fmt.Println("\n")

	// Iterate through all of the crtcs and show some of their info.
	for _, crtc := range resources.Crtcs {
		info, err := randr.GetCrtcInfo(X, crtc, 0).Reply()
		if err != nil {
			log.Fatal(err)
		}
		fmt.Printf("X: %d, Y: %d, Width: %d, Height: %d\n",
			info.X, info.Y, info.Width, info.Height)
	}

	// Tell RandR to send us events. (I think these are all of them, as of 1.3.)
	err = randr.SelectInputChecked(X, root,
		randr.NotifyMaskScreenChange|
			randr.NotifyMaskCrtcChange|
			randr.NotifyMaskOutputChange|
			randr.NotifyMaskOutputProperty).Check()
	if err != nil {
		log.Fatal(err)
	}

	// Listen to events and just dump them to standard out.
	// A more involved approach will have to read the 'U' field of
	// RandrNotifyEvent, which is a union (really a struct) of type
	// RanrNotifyDataUnion.
	for {
		ev, err := X.WaitForEvent()
		if err != nil {
			log.Fatal(err)
		}
		fmt.Println(ev)
	}
}
Beispiel #8
0
func setup() *xgbutil.XUtil {
	X, _ := xgbutil.NewConn()
	randr.Init(X.Conn())
	return X
}