Ejemplo n.º 1
0
// create creates the window, initializes the keybind and mousebind packages
// and sets up the window to act like a real top-level client.
func (w *window) create() {
	keybind.Initialize(w.X)
	mousebind.Initialize(w.X)

	err := w.CreateChecked(w.X.RootWin(), 0, 0, flagWidth, flagHeight,
		xproto.CwBackPixel, 0xffffff)
	if err != nil {
		errLg.Fatalf("Could not create window: %s", err)
	}

	// Make the window close gracefully using the WM_DELETE_WINDOW protocol.
	w.WMGracefulClose(func(w *xwindow.Window) {
		xevent.Detach(w.X, w.Id)
		keybind.Detach(w.X, w.Id)
		mousebind.Detach(w.X, w.Id)
		w.Destroy()
		xevent.Quit(w.X)
	})

	// Set WM_STATE so it is interpreted as top-level and is mapped.
	err = icccm.WmStateSet(w.X, w.Id, &icccm.WmState{
		State: icccm.StateNormal,
	})
	if err != nil { // not a fatal error
		lg("Could not set WM_STATE: %s", err)
	}

	// _NET_WM_STATE = _NET_WM_STATE_NORMAL
	ewmh.WmStateSet(w.X, w.Id, []string{"_NET_WM_STATE_NORMAL"})

	// Set the name to something.
	w.nameSet("Decoding all images...")

	w.Map()
}
Ejemplo n.º 2
0
// This is a slightly modified version of xgraphics.XShowExtra that does
// not set any resize constraints on the window (so that it can go
// fullscreen).
func showImage(im *xgraphics.Image, name string, quit bool) *xwindow.Window {
	if len(name) == 0 {
		name = "xgbutil Image Window"
	}
	w, h := im.Rect.Dx(), im.Rect.Dy()

	win, err := xwindow.Generate(im.X)
	if err != nil {
		xgbutil.Logger.Printf("Could not generate new window id: %s", err)
		return nil
	}

	// Create a very simple window with dimensions equal to the image.
	win.Create(im.X.RootWin(), 0, 0, w, h, 0)

	// Make this window close gracefully.
	win.WMGracefulClose(func(w *xwindow.Window) {
		xevent.Detach(w.X, w.Id)
		keybind.Detach(w.X, w.Id)
		mousebind.Detach(w.X, w.Id)
		w.Destroy()

		if quit {
			xevent.Quit(w.X)
		}
	})

	// Set WM_STATE so it is interpreted as a top-level window.
	err = icccm.WmStateSet(im.X, win.Id, &icccm.WmState{
		State: icccm.StateNormal,
	})
	if err != nil { // not a fatal error
		xgbutil.Logger.Printf("Could not set WM_STATE: %s", err)
	}

	// Set _NET_WM_NAME so it looks nice.
	err = ewmh.WmNameSet(im.X, win.Id, name)
	if err != nil { // not a fatal error
		xgbutil.Logger.Printf("Could not set _NET_WM_NAME: %s", err)
	}

	// Paint our image before mapping.
	im.XSurfaceSet(win.Id)
	im.XDraw()
	im.XPaint(win.Id)

	// Now we can map, since we've set all our properties.
	// (The initial map is when the window manager starts managing.)
	win.Map()

	return win
}
Ejemplo n.º 3
0
func bindall(configfile string, X *xgbutil.XUtil) (err error) {
	config, err := ioutil.ReadFile(configfile)
	if err != nil {
		log.Fatal("Could not find config file: ", err)
		return
	}
	hotkeys := []Hotkey{}
	err = json.Unmarshal(config, &hotkeys)
	if err != nil {
		log.Fatal("Could not parse config file:", err)
		return
	}
	keybind.Detach(X, X.RootWin())
	for _, hotkey := range hotkeys {
		hotkey.attach(X)
	}
	return
}
Ejemplo n.º 4
0
Archivo: win.go Proyecto: uriel/vimg
// newWindow creates the window, initializes the keybind and mousebind packages
// and sets up the window to act like a real top-level client.
func newWindow(X *xgbutil.XUtil) *Window {
	w, err := xwindow.Generate(X)
	if err != nil {
		errLg.Fatalf("Could not create window: %s", err)
	}

	keybind.Initialize(w.X)
	mousebind.Initialize(w.X)

	err = w.CreateChecked(w.X.RootWin(), 0, 0, 600, 600, xproto.CwBackPixel, 0xffffff)
	if err != nil {
		errLg.Fatalf("Could not create window: %s", err)
	}

	// Make the window close gracefully using the WM_DELETE_WINDOW protocol.
	w.WMGracefulClose(func(w *xwindow.Window) {
		xevent.Detach(w.X, w.Id)
		keybind.Detach(w.X, w.Id)
		mousebind.Detach(w.X, w.Id)
		w.Destroy()
		xevent.Quit(w.X)
	})

	// Set WM_STATE so it is interpreted as top-level and is mapped.
	err = icccm.WmStateSet(w.X, w.Id, &icccm.WmState{State: icccm.StateNormal})
	if err != nil {
		lg("Could not set WM_STATE: %s", err)
	}

	// _NET_WM_STATE = _NET_WM_STATE_NORMAL
	// not needed because we we set FS later anyway?
	//ewmh.WmStateSet(w.X, w.Id, []string{"_NET_WM_STATE_NORMAL"})

	w.Map()

	err = ewmh.WmStateReq(w.X, w.Id, ewmh.StateToggle, "_NET_WM_STATE_FULLSCREEN")
	if err != nil {
		lg("Failed to go FullScreen:", err)
	}
	return &Window{w}
}
Ejemplo n.º 5
0
func NewWindow() *Window {
	win, err := xwindow.Generate(X)
	if err != nil {
		log.Fatal("cannot generate window %v\n", err)
		return nil
	}

	width, height := 800, 600
	win.Create(X.RootWin(), 0, 0, width, height, xproto.CwBackPixel, 0x0)

	win.WMGracefulClose(func(w *xwindow.Window) {
		xevent.Detach(w.X, w.Id)
		keybind.Detach(w.X, w.Id)
		mousebind.Detach(w.X, w.Id)
		w.Destroy()
		xevent.Quit(w.X)
	})

	icccm.WmStateSet(X, win.Id, &icccm.WmState{
		State: icccm.StateNormal,
	})

	win.Listen(xproto.EventMaskKeyPress)
	win.Clear(0, 0, 0, 0)
	win.Map()

	self := &Window{
		win,
		nil,
		false,
		nil,
	}
	self.bindKeys()

	return self
}
Ejemplo n.º 6
0
// Detach will detach this window's event handlers from all xevent, keybind
// and mousebind callbacks.
func (w *Window) Detach() {
	keybind.Detach(w.X, w.Id)
	mousebind.Detach(w.X, w.Id)
	xevent.Detach(w.X, w.Id)
}
Ejemplo n.º 7
0
func makeWindow(ximage *xgraphics.Image) (*xwindow.Window, *bool) {
	w, h := ximage.Rect.Dx(), ximage.Rect.Dy()

	window, err := xwindow.Generate(ximage.X)
	if err != nil {
		xgbutil.Logger.Printf("Could not generate new window id: %s", err)
		return nil, nil
	}

	window.Create(ximage.X.RootWin(), 0, 0, w, h, xproto.CwBackPixel, 0x00000000)
	window.Listen(xproto.EventMaskExposure,
		xproto.EventMaskKeyPress,
		xproto.EventMaskStructureNotify,
		xproto.EventMaskVisibilityChange)

	window.WMGracefulClose(func(w *xwindow.Window) {
		xevent.Detach(w.X, w.Id)
		keybind.Detach(w.X, w.Id)
		mousebind.Detach(w.X, w.Id)
		w.Destroy()
		xevent.Quit(w.X)
	})

	err = icccm.WmStateSet(ximage.X, window.Id, &icccm.WmState{
		State: icccm.StateNormal,
	})
	if err != nil {
		xgbutil.Logger.Printf("Could not set WM_STATE: %s", err)
	}

	err = ewmh.WmNameSet(ximage.X, window.Id, "Computer System Monitor")
	if err != nil {
		xgbutil.Logger.Printf("Could not set _NET_WM_NAME: %s", err)
	}

	err = keybind.KeyPressFun(
		func(X *xgbutil.XUtil, ev xevent.KeyPressEvent) {
			err := ewmh.WmStateReq(ximage.X, window.Id, ewmh.StateToggle,
				"_NET_WM_STATE_FULLSCREEN")
			if err != nil {
				log.Fatal(err)
			}
		}).Connect(ximage.X, window.Id, "f", false)
	if err != nil {
		log.Fatal(err)
	}

	xevent.ExposeFun(
		func(xu *xgbutil.XUtil, event xevent.ExposeEvent) {
			ximage.XExpPaint(window.Id, 0, 0)
		}).Connect(ximage.X, window.Id)

	obscured := false
	xevent.VisibilityNotifyFun(
		func(xu *xgbutil.XUtil, event xevent.VisibilityNotifyEvent) {
			obscured = event.State == xproto.VisibilityFullyObscured
		}).Connect(ximage.X, window.Id)

	window.Map()

	return window, &obscured
}
Ejemplo n.º 8
0
func main() {
	// Connect to the X server using the DISPLAY environment variable.
	X, err := xgbutil.NewConn()
	if err != nil {
		log.Fatal(err)
	}

	// Anytime the keybind (mousebind) package is used, keybind.Initialize
	// *should* be called once. It isn't strictly necessary, but allows your
	// keybindings to persist even if the keyboard mapping is changed during
	// run-time. (Assuming you're using the xevent package's event loop.)
	keybind.Initialize(X)

	// Before attaching callbacks, wrap them in a callback function type.
	// The keybind package exposes two such callback types: keybind.KeyPressFun
	// and keybind.KeyReleaseFun.
	cb1 := keybind.KeyPressFun(
		func(X *xgbutil.XUtil, e xevent.KeyPressEvent) {
			log.Println("Key press!")
		})

	// We can now attach the callback to a particular window and key
	// combination. This particular example grabs a key on the root window,
	// which makes it a global keybinding.
	// Also, "Mod4-j" typically corresponds to pressing down the "Super" or
	// "Windows" key on your keyboard, and then pressing the letter "j".
	// N.B. This approach works by issuing a passive grab on the window
	// specified. To respond to Key{Press,Release} events without a grab, use
	// the xevent.Key{Press,Release}Fun callback function types instead.
	err = cb1.Connect(X, X.RootWin(), "Mod4-j", true)

	// A keybinding can fail if the key string could not be parsed, or if you're
	// trying to bind a key that has already been grabbed by another client.
	if err != nil {
		log.Fatal(err)
	}

	// We can even attach multiple callbacks to the same key.
	err = keybind.KeyPressFun(
		func(X *xgbutil.XUtil, e xevent.KeyPressEvent) {
			log.Println("A second handler always happens after the first.")
		}).Connect(X, X.RootWin(), "Mod4-j", true)
	if err != nil {
		log.Fatal(err)
	}

	// Finally, if we want this client to stop responding to key events, we
	// can attach another handler that, when run, detaches all previous
	// handlers.
	// This time, we'll show an example of a KeyRelease binding.
	err = keybind.KeyReleaseFun(
		func(X *xgbutil.XUtil, e xevent.KeyReleaseEvent) {
			// Use keybind.Detach to detach the root window
			// from all KeyPress *and* KeyRelease handlers.
			keybind.Detach(X, X.RootWin())

			log.Printf("Detached all Key{Press,Release}Events from the "+
				"root window (%d).", X.RootWin())
		}).Connect(X, X.RootWin(), "Mod4-Shift-q", true)
	if err != nil {
		log.Fatal(err)
	}

	// Finally, start the main event loop. This will route any appropriate
	// KeyPressEvents to your callback function.
	log.Println("Program initialized. Start pressing keys!")
	xevent.Main(X)
}