Exemple #1
0
func (w *Window) setVisibility(v bool) {
	xproto.ChangeWindowAttributesChecked(w.Conn, w.root, xproto.CwEventMask, windowOff)
	if v {
		xproto.MapWindow(w.Conn, w.Window)
	} else {
		xproto.UnmapWindow(w.Conn, w.Window)
	}
	xproto.ChangeWindowAttributesChecked(w.Conn, w.root, xproto.CwEventMask, windowOn)
}
// Listen will tell X to report events corresponding to the event masks
// provided for the given window. If a call to Listen is omitted, you will
// not receive the events you desire.
// Event masks are constants declare in the xgb/xproto package starting with the
// EventMask prefix.
func (w *Window) Listen(evMasks ...int) error {
	evMask := 0
	for _, mask := range evMasks {
		evMask |= mask
	}
	return xproto.ChangeWindowAttributesChecked(w.X.Conn(), w.Id,
		xproto.CwEventMask, []uint32{uint32(evMask)}).Check()
}
Exemple #3
0
func becomeTheWM() {
	if err := xp.ChangeWindowAttributesChecked(xConn, rootXWin, xp.CwEventMask, []uint32{
		xp.EventMaskButtonPress |
			xp.EventMaskButtonRelease |
			xp.EventMaskPointerMotion |
			xp.EventMaskSubstructureRedirect,
	}).Check(); err != nil {
		if _, ok := err.(xp.AccessError); ok {
			log.Fatal("could not become the window manager. Is another window manager running?")
		}
		log.Fatal(err)
	}
}
Exemple #4
0
func start_server(c *xgb.Conn, s *xproto.ScreenInfo, rl_execute_atom xproto.Atom) {
	win, err := xproto.NewWindowId(c)
	if err != nil {
		panic(err)
	}

	// Make a window which can be communicated with
	err = xproto.CreateWindowChecked(c, s.RootDepth, win, s.Root, 0, 0, 1, 1, 0, 0, 0, 0, nil).Check()
	if err != nil {
		panic(err)
	}

	err = xproto.ChangePropertyChecked(c, xproto.PropModeReplace, win,
		rl_execute_atom, xproto.AtomString, 8, xproto.PropModeReplace,
		[]byte("\x00")).Check()
	if err != nil {
		panic(err)
	}
	err = xproto.ChangeWindowAttributesChecked(c, win, xproto.CwEventMask, []uint32{xproto.EventMaskPropertyChange}).Check()
	if err != nil {
		panic(err)
	}

	get_execute_value := func() string {
		response, err := xproto.GetProperty(c, false, win, rl_execute_atom,
			xproto.GetPropertyTypeAny, 0, 1024).Reply()
		if err != nil {
			panic(err)
		}
		result := string(response.Value)
		return result
	}

	log.Print("Ready and waiting..")
	// Event loop
	for {
		reply, err := c.WaitForEvent()
		if err != nil {
			log.Panic("Error in event loop:", err)
		}

		switch event := reply.(type) {
		case xproto.PropertyNotifyEvent:
			if event.Window == win && event.Atom == rl_execute_atom {
				values := strings.Split(get_execute_value(), "\x00")
				run(values)
			}
		}
	}
}
Exemple #5
0
func initDesktop(xScreen *xp.ScreenInfo) {
	xFont, err := xp.NewFontId(xConn)
	if err != nil {
		log.Fatal(err)
	}
	xCursor, err := xp.NewCursorId(xConn)
	if err != nil {
		log.Fatal(err)
	}
	err = xp.OpenFontChecked(xConn, xFont, uint16(len("cursor")), "cursor").Check()
	if err != nil {
		log.Fatal(err)
	}
	const xcLeftPtr = 68 // XC_left_ptr from cursorfont.h.
	err = xp.CreateGlyphCursorChecked(
		xConn, xCursor, xFont, xFont, xcLeftPtr, xcLeftPtr+1,
		0xffff, 0xffff, 0xffff, 0, 0, 0).Check()
	if err != nil {
		log.Fatal(err)
	}
	err = xp.CloseFontChecked(xConn, xFont).Check()
	if err != nil {
		log.Fatal(err)
	}

	desktopXWin, err = xp.NewWindowId(xConn)
	if err != nil {
		log.Fatal(err)
	}
	desktopXGC, err = xp.NewGcontextId(xConn)
	if err != nil {
		log.Fatal(err)
	}
	desktopWidth = xScreen.WidthInPixels
	desktopHeight = xScreen.HeightInPixels

	if err := xp.CreateWindowChecked(
		xConn, xScreen.RootDepth, desktopXWin, xScreen.Root,
		0, 0, desktopWidth, desktopHeight, 0,
		xp.WindowClassInputOutput,
		xScreen.RootVisual,
		xp.CwOverrideRedirect|xp.CwEventMask,
		[]uint32{
			1,
			xp.EventMaskExposure,
		},
	).Check(); err != nil {
		log.Fatal(err)
	}

	if len(xSettings) != 0 {
		initXSettings()
	}

	if err := xp.ConfigureWindowChecked(
		xConn,
		desktopXWin,
		xp.ConfigWindowStackMode,
		[]uint32{
			xp.StackModeBelow,
		},
	).Check(); err != nil {
		log.Fatal(err)
	}

	if err := xp.ChangeWindowAttributesChecked(
		xConn,
		desktopXWin,
		xp.CwBackPixel|xp.CwCursor,
		[]uint32{
			xScreen.BlackPixel,
			uint32(xCursor),
		},
	).Check(); err != nil {
		log.Fatal(err)
	}

	if err := xp.CreateGCChecked(
		xConn,
		desktopXGC,
		xp.Drawable(xScreen.Root),
		0,
		nil,
	).Check(); err != nil {
		log.Fatal(err)
	}

	if err := xp.MapWindowChecked(xConn, desktopXWin).Check(); err != nil {
		log.Fatal(err)
	}
}
Exemple #6
0
func manage(xWin xp.Window, mapRequest bool) {
	callFocus := false
	w := findWindow(func(w *window) bool { return w.xWin == xWin })
	if w == nil {
		wmDeleteWindow, wmTakeFocus := false, false
		if prop, err := xp.GetProperty(xConn, false, xWin, atomWMProtocols,
			xp.GetPropertyTypeAny, 0, 64).Reply(); err != nil {
			log.Println(err)
		} else if prop != nil {
			for v := prop.Value; len(v) >= 4; v = v[4:] {
				switch xp.Atom(u32(v)) {
				case atomWMDeleteWindow:
					wmDeleteWindow = true
				case atomWMTakeFocus:
					wmTakeFocus = true
				}
			}
		}

		transientFor := (*window)(nil)
		if prop, err := xp.GetProperty(xConn, false, xWin, atomWMTransientFor,
			xp.GetPropertyTypeAny, 0, 64).Reply(); err != nil {
			log.Println(err)
		} else if prop != nil {
			if v := prop.Value; len(v) == 4 {
				transientForXWin := xp.Window(u32(v))
				transientFor = findWindow(func(w *window) bool {
					return w.xWin == transientForXWin
				})
			}
		}

		k := screens[0].workspace
		if p, err := xp.QueryPointer(xConn, rootXWin).Reply(); err != nil {
			log.Println(err)
		} else if p != nil {
			k = screenContaining(p.RootX, p.RootY).workspace
		}
		w = &window{
			transientFor: transientFor,
			xWin:         xWin,
			rect: xp.Rectangle{
				X:      offscreenXY,
				Y:      offscreenXY,
				Width:  1,
				Height: 1,
			},
			wmDeleteWindow: wmDeleteWindow,
			wmTakeFocus:    wmTakeFocus,
		}
		f := k.focusedFrame
		previous := k.dummyWindow.link[prev]
		if transientFor != nil {
			previous = transientFor
		} else if f.window != nil {
			previous = f.window
		}
		w.link[next] = previous.link[next]
		w.link[prev] = previous
		w.link[next].link[prev] = w
		w.link[prev].link[next] = w

		if transientFor != nil && transientFor.frame != nil {
			f = transientFor.frame
			f.window, transientFor.frame = nil, nil
		} else if f.window != nil {
			f = k.mainFrame.firstEmptyFrame()
		}
		if f != nil {
			f.window, w.frame = w, f
			callFocus = f == k.focusedFrame
		} else {
			pulseChan <- time.Now()
		}

		check(xp.ChangeWindowAttributesChecked(xConn, xWin, xp.CwEventMask,
			[]uint32{xp.EventMaskEnterWindow | xp.EventMaskStructureNotify},
		))
		w.configure()
		if transientFor != nil {
			transientFor.hasTransientFor = true
			transientFor.configure()
		}
	}
	if mapRequest {
		check(xp.MapWindowChecked(xConn, xWin))
	}
	if callFocus {
		focus(w)
	}
	makeLists()
	pulseChan <- time.Now()
}