Exemple #1
0
func main() {
	gtk.Init(&os.Args)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("GTK DrawingArea")
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(true, 0)
	vbox.SetBorderWidth(5)

	targets := []gtk.TargetEntry{
		{"text/uri-list", 0, 0},
		{"STRING", 0, 1},
		{"text/plain", 0, 2},
	}
	dest := gtk.NewLabel("drop me file")
	dest.DragDestSet(
		gtk.DEST_DEFAULT_MOTION|
			gtk.DEST_DEFAULT_HIGHLIGHT|
			gtk.DEST_DEFAULT_DROP,
		targets,
		gdk.ACTION_COPY)
	dest.DragDestAddUriTargets()
	dest.Connect("drag-data-received", func(ctx *glib.CallbackContext) {
		sdata := gtk.SelectionDataFromNative(unsafe.Pointer(ctx.Args(3)))
		if sdata != nil {
			a := (*[2000]uint8)(sdata.GetData())
			files := strings.Split(string(a[0:sdata.GetLength()-1]), "\n")
			for i := range files {
				filename, _, _ := glib.FilenameFromUri(files[i])
				files[i] = filename
			}
			dialog := gtk.NewMessageDialog(
				window,
				gtk.DIALOG_MODAL,
				gtk.MESSAGE_INFO,
				gtk.BUTTONS_OK,
				strings.Join(files, "\n"))
			dialog.SetTitle("D&D")
			dialog.Response(func() {
				dialog.Destroy()
			})
			dialog.Run()
		}
	})
	vbox.Add(dest)

	window.Add(vbox)

	window.SetSizeRequest(300, 100)
	window.ShowAll()
	gtk.Main()
}
Exemple #2
0
func main() {
	gtk.Init(&os.Args)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("We love Expander")
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(true, 0)
	vbox.SetBorderWidth(5)
	expander := gtk.NewExpander("dan the ...")
	expander.Add(gtk.NewLabel("404 contents not found"))
	vbox.PackStart(expander, false, false, 0)

	window.Add(vbox)
	window.ShowAll()

	gtk.Main()
}
Exemple #3
0
func main() {
	runtime.GOMAXPROCS(10)
	glib.ThreadInit(nil)
	gdk.ThreadsInit()
	gdk.ThreadsEnter()
	gtk.Init(nil)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(false, 1)

	label1 := gtk.NewLabel("")
	vbox.Add(label1)
	label2 := gtk.NewLabel("")
	vbox.Add(label2)

	window.Add(vbox)

	window.SetSizeRequest(100, 100)
	window.ShowAll()
	time.Sleep(1000 * 1000 * 100)
	go (func() {
		for i := 0; i < 300000; i++ {
			gdk.ThreadsEnter()
			label1.SetLabel(strconv.Itoa(i))
			gdk.ThreadsLeave()
		}
		gtk.MainQuit()
	})()
	go (func() {
		for i := 300000; i >= 0; i-- {
			gdk.ThreadsEnter()
			label2.SetLabel(strconv.Itoa(i))
			gdk.ThreadsLeave()
		}
		gtk.MainQuit()
	})()
	gtk.Main()
}
func main() {
	gtk.Init(nil)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetPosition(gtk.WIN_POS_CENTER)
	window.SetTitle("GTK Go!")
	window.Connect("destroy", func(ctx *glib.CallbackContext) {
		gtk.MainQuit()
	}, "")

	box := gtk.NewHPaned()

	palette := gtk.NewToolPalette()
	group := gtk.NewToolItemGroup("Tools")
	b := gtk.NewToolButtonFromStock(gtk.STOCK_NEW)
	b.OnClicked(func() { println("You clicked new!") })
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_CLOSE)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_REDO)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_REFRESH)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_QUIT)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_YES)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_NO)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_PRINT)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_NETWORK)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_INFO)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_HOME)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_INDEX)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_FIND)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_FILE)
	group.Insert(b, -1)
	b = gtk.NewToolButtonFromStock(gtk.STOCK_EXECUTE)
	group.Insert(b, -1)
	palette.Add(group)

	bcopy := gtk.NewToolButtonFromStock(gtk.STOCK_COPY)
	bcut := gtk.NewToolButtonFromStock(gtk.STOCK_CUT)
	bdelete := gtk.NewToolButtonFromStock(gtk.STOCK_DELETE)

	group = gtk.NewToolItemGroup("Stuff")
	group.Insert(bcopy, -1)
	group.Insert(bcut, -1)
	group.Insert(bdelete, -1)
	palette.Add(group)

	frame := gtk.NewVBox(false, 1)
	align := gtk.NewAlignment(0, 0, 0, 0)
	image := gtk.NewImageFromFile("./turkey.jpg")
	align.Add(image)
	frame.Add(align)

	box.Pack1(palette, true, false)
	box.Pack2(frame, false, false)

	window.Add(box)
	window.SetSizeRequest(600, 600)
	window.ShowAll()
	gtk.Main()
}
Exemple #5
0
func main() {
	gtk.Init(&os.Args)
	gdk.ThreadsInit()
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("Twitter!")
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(false, 1)

	scrolledwin := gtk.NewScrolledWindow(nil, nil)
	textview := gtk.NewTextView()
	textview.SetEditable(false)
	textview.SetCursorVisible(false)
	scrolledwin.Add(textview)
	vbox.Add(scrolledwin)

	buffer := textview.GetBuffer()

	tag := buffer.CreateTag("blue", map[string]string{
		"foreground": "#0000FF", "weight": "700"})
	button := gtk.NewButtonWithLabel("Update Timeline")
	button.SetTooltipMarkup("update <b>public timeline</b>")
	button.Clicked(func() {
		go func() {
			gdk.ThreadsEnter()
			button.SetSensitive(false)
			gdk.ThreadsLeave()
			r, err := http.Get("https://api.twitter.com/1/statuses/user_timeline.json?screen_name=go_nuts")
			if err == nil {
				var b []byte
				if r.ContentLength == -1 {
					b, err = ioutil.ReadAll(r.Body)
				} else {
					b = make([]byte, r.ContentLength)
					_, err = io.ReadFull(r.Body, b)
				}
				if err != nil {
					fmt.Println(err)
					return
				}
				var j interface{}
				err = json.NewDecoder(bytes.NewBuffer(b)).Decode(&j)
				if err != nil {
					fmt.Println(err)
					return
				}
				arr := j.([]interface{})
				for i := 0; i < len(arr); i++ {
					data := arr[i].(map[string]interface{})
					icon := data["user"].(map[string]interface{})["profile_image_url"].(string)
					var iter gtk.TextIter
					pixbufbytes, resp := readURL(icon)
					gdk.ThreadsEnter()
					buffer.GetEndIter(&iter)
					if resp != nil {
						buffer.InsertPixbuf(&iter, bytes2pixbuf(pixbufbytes, resp.Header.Get("Content-Type")))
					}
					gdk.ThreadsLeave()
					name := data["user"].(map[string]interface{})["screen_name"].(string)
					text := data["text"].(string)
					gdk.ThreadsEnter()
					buffer.Insert(&iter, " ")
					buffer.InsertWithTag(&iter, name, tag)
					buffer.Insert(&iter, ":"+text+"\n")
					gtk.MainIterationDo(false)
					gdk.ThreadsLeave()
				}
			} else {
				fmt.Println(err)
			}
			button.SetSensitive(true)
		}()
	})
	vbox.PackEnd(button, false, false, 0)

	window.Add(vbox)
	window.SetSizeRequest(800, 500)
	window.ShowAll()
	gdk.ThreadsEnter()
	gtk.Main()
	gdk.ThreadsLeave()
}
Exemple #6
0
func main() {
	gtk.Init(nil)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetPosition(gtk.WIN_POS_CENTER)
	window.SetTitle("GTK Go!")
	window.Connect("destroy", func(ctx *glib.CallbackContext) {
		gtk.MainQuit()
	}, "")

	vbox := gtk.NewVBox(false, 0)

	toolbar := gtk.NewToolbar()
	toolbar.SetStyle(gtk.TOOLBAR_ICONS)
	vbox.PackStart(toolbar, false, false, 5)

	btnnew := gtk.NewToolButtonFromStock(gtk.STOCK_NEW)
	btnclose := gtk.NewToolButtonFromStock(gtk.STOCK_CLOSE)
	separator := gtk.NewSeparatorToolItem()
	btncustom := gtk.NewToolButton(nil, "Custom")
	btnmenu := gtk.NewMenuToolButtonFromStock("gtk.STOCK_CLOSE")
	btnmenu.SetArrowTooltipText("This is a tool tip")

	btnnew.OnClicked(onToolButtonClicked)
	btnclose.OnClicked(onToolButtonClicked)
	btncustom.OnClicked(onToolButtonClicked)

	toolmenu := gtk.NewMenu()
	menuitem := gtk.NewMenuItemWithMnemonic("8")
	menuitem.Show()
	toolmenu.Append(menuitem)
	menuitem = gtk.NewMenuItemWithMnemonic("16")
	menuitem.Show()
	toolmenu.Append(menuitem)
	menuitem = gtk.NewMenuItemWithMnemonic("32")
	menuitem.Show()
	toolmenu.Append(menuitem)
	btnmenu.SetMenu(toolmenu)

	toolbar.Insert(btnnew, -1)
	toolbar.Insert(btnclose, -1)
	toolbar.Insert(separator, -1)
	toolbar.Insert(btncustom, -1)
	toolbar.Insert(btnmenu, -1)

	hbox := gtk.NewHBox(false, 0)
	vbox.PackStart(hbox, true, true, 0)

	toolbar2 := gtk.NewToolbar()
	toolbar2.SetOrientation(gtk.ORIENTATION_VERTICAL)
	hbox.PackStart(toolbar2, false, false, 5)
	btnhelp := gtk.NewToolButtonFromStock(gtk.STOCK_HELP)
	btnhelp.OnClicked(onToolButtonClicked)
	toolbar2.Insert(btnhelp, -1)

	btntoggle := gtk.NewToggleToolButton()
	btntoggle2 := gtk.NewToggleToolButtonFromStock(gtk.STOCK_ITALIC)
	toolbar2.Insert(btntoggle, -1)
	toolbar2.Insert(btntoggle2, -1)

	for i := 0; i < toolbar.GetNItems(); i++ {
		gti := toolbar.GetNthItem(i)
		switch gti.(type) {
		case *gtk.ToolButton:
			fmt.Printf("toolbar[%d] is a *gtk.ToolButton\n", i)
			w := gti.(*gtk.ToolButton).GetIconWidget()
			gti.(*gtk.ToolButton).SetIconWidget(w)
		case *gtk.ToggleToolButton:
			fmt.Printf("toolbar[%d] is a *gtk.ToggleToolButton\n", i)
			gti.(*gtk.ToggleToolButton).SetActive(true)
		case *gtk.SeparatorToolItem:
			fmt.Printf("toolbar[%d] is a *gtk.SeparatorToolItem\n", i)
		default:
			fmt.Printf("toolbar: Item is of unknown type\n")
		}
	}

	for i := 0; i < toolbar2.GetNItems(); i++ {
		gti := toolbar2.GetNthItem(i)
		switch gti.(type) {
		case *gtk.ToolButton:
			fmt.Printf("toolbar2[%d] is a *gtk.ToolButton\n", i)
		case *gtk.ToggleToolButton:
			fmt.Printf("toolbar2[%d] is a *gtk.ToggleToolButton\n", i)
			gti.(*gtk.ToggleToolButton).SetActive(true)
		case *gtk.SeparatorToolItem:
			fmt.Printf("toolbar2[%d] is a *gtk.SeparatorToolItem\n", i)
		default:
			fmt.Printf("toolbar2: Item is of unknown type\n")
		}
	}

	window.Add(vbox)
	window.SetSizeRequest(600, 600)
	window.ShowAll()
	gtk.Main()
}
func main() {
	gtk.Init(&os.Args)
	gdk.ThreadsInit()
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("Twitter!")
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(false, 1)

	scrolledwin := gtk.NewScrolledWindow(nil, nil)
	textview := gtk.NewTextView()
	textview.SetEditable(false)
	textview.SetCursorVisible(false)
	scrolledwin.Add(textview)
	vbox.Add(scrolledwin)

	buffer := textview.GetBuffer()

	tag := buffer.CreateTag("blue", map[string]string{
		"foreground": "#0000FF", "weight": "700"})
	button := gtk.NewButtonWithLabel("Update Timeline")
	button.SetTooltipMarkup("update <b>public timeline</b>")
	button.Clicked(func() {
		b, err := ioutil.ReadFile("settings.json")
		if err != nil {
			fmt.Println(`"settings.json" not found: `, err)
			return
		}
		var config map[string]string
		err = json.Unmarshal(b, &config)
		if err != nil {
			fmt.Println(`can't read "settings.json": `, err)
			return
		}
		client := &oauth.Client{
			Credentials: oauth.Credentials{
				config["ClientToken"], config["ClientSecret"]}}
		cred := &oauth.Credentials{
			config["AccessToken"], config["AccessSecret"]}

		gdk.ThreadsEnter()
		button.SetSensitive(false)
		gdk.ThreadsLeave()
		go func() {
			ts, err := twitterstream.Open(client, cred,
				"https://stream.twitter.com/1/statuses/filter.json",
				url.Values{"track": {"picplz,instagr"}})
			if err != nil {
				println(err.Error())
				return
			}
			for ts.Err() == nil {
				t := tweet{}
				if err := ts.UnmarshalNext(&t); err != nil {
					fmt.Println("error reading tweet: ", err)
					continue
				}
				var iter gtk.TextIter
				pixbufbytes, resp := readURL(t.User.ProfileImageUrl)
				gdk.ThreadsEnter()
				buffer.GetStartIter(&iter)
				if resp != nil {
					buffer.InsertPixbuf(&iter, bytes2pixbuf(pixbufbytes, resp.Header.Get("Content-Type")))
				}
				gdk.ThreadsLeave()
				gdk.ThreadsEnter()
				buffer.Insert(&iter, " ")
				buffer.InsertWithTag(&iter, t.User.ScreenName, tag)
				buffer.Insert(&iter, ":"+t.Text+"\n")
				gtk.MainIterationDo(false)
				gdk.ThreadsLeave()
			}
		}()
	})
	vbox.PackEnd(button, false, false, 0)

	window.Add(vbox)
	window.SetSizeRequest(800, 500)
	window.ShowAll()
	gdk.ThreadsEnter()
	gtk.Main()
	gdk.ThreadsLeave()
}
Exemple #8
0
func main() {
	var menuitem *gtk.MenuItem
	gtk.Init(nil)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetPosition(gtk.WIN_POS_CENTER)
	window.SetTitle("GTK Go!")
	window.SetIconName("gtk-dialog-info")
	window.Connect("destroy", func(ctx *glib.CallbackContext) {
		println("got destroy!", ctx.Data().(string))
		gtk.MainQuit()
	}, "foo")

	//--------------------------------------------------------
	// GtkVBox
	//--------------------------------------------------------
	vbox := gtk.NewVBox(false, 1)

	//--------------------------------------------------------
	// GtkMenuBar
	//--------------------------------------------------------
	menubar := gtk.NewMenuBar()
	vbox.PackStart(menubar, false, false, 0)

	//--------------------------------------------------------
	// GtkVPaned
	//--------------------------------------------------------
	vpaned := gtk.NewVPaned()
	vbox.Add(vpaned)

	//--------------------------------------------------------
	// GtkFrame
	//--------------------------------------------------------
	frame1 := gtk.NewFrame("Demo")
	framebox1 := gtk.NewVBox(false, 1)
	frame1.Add(framebox1)

	frame2 := gtk.NewFrame("Demo")
	framebox2 := gtk.NewVBox(false, 1)
	frame2.Add(framebox2)

	vpaned.Pack1(frame1, false, false)
	vpaned.Pack2(frame2, false, false)

	//--------------------------------------------------------
	// GtkImage
	//--------------------------------------------------------
	dir, _ := path.Split(os.Args[0])
	imagefile := path.Join(dir, "../../data/go-gtk-logo.png")

	label := gtk.NewLabel("Go Binding for GTK")
	label.ModifyFontEasy("DejaVu Serif 15")
	framebox1.PackStart(label, false, true, 0)

	//--------------------------------------------------------
	// GtkEntry
	//--------------------------------------------------------
	entry := gtk.NewEntry()
	entry.SetText("Hello world")
	framebox1.Add(entry)

	image := gtk.NewImageFromFile(imagefile)
	framebox1.Add(image)

	//--------------------------------------------------------
	// GtkScale
	//--------------------------------------------------------
	scale := gtk.NewHScaleWithRange(0, 100, 1)
	scale.Connect("value-changed", func() {
		println("scale:", int(scale.GetValue()))
	})
	framebox2.Add(scale)

	//--------------------------------------------------------
	// GtkHBox
	//--------------------------------------------------------
	buttons := gtk.NewHBox(false, 1)

	//--------------------------------------------------------
	// GtkButton
	//--------------------------------------------------------
	button := gtk.NewButtonWithLabel("Button with label")
	button.Clicked(func() {
		println("button clicked:", button.GetLabel())
		messagedialog := gtk.NewMessageDialog(
			button.GetTopLevelAsWindow(),
			gtk.DIALOG_MODAL,
			gtk.MESSAGE_INFO,
			gtk.BUTTONS_OK,
			entry.GetText())
		messagedialog.Response(func() {
			println("Dialog OK!")

			//--------------------------------------------------------
			// GtkFileChooserDialog
			//--------------------------------------------------------
			filechooserdialog := gtk.NewFileChooserDialog(
				"Choose File...",
				button.GetTopLevelAsWindow(),
				gtk.FILE_CHOOSER_ACTION_OPEN,
				gtk.STOCK_OK,
				gtk.RESPONSE_ACCEPT)
			filter := gtk.NewFileFilter()
			filter.AddPattern("*.go")
			filechooserdialog.AddFilter(filter)
			filechooserdialog.Response(func() {
				println(filechooserdialog.GetFilename())
				filechooserdialog.Destroy()
			})
			filechooserdialog.Run()
			messagedialog.Destroy()
		})
		messagedialog.Run()
	})
	buttons.Add(button)

	//--------------------------------------------------------
	// GtkFontButton
	//--------------------------------------------------------
	fontbutton := gtk.NewFontButton()
	fontbutton.Connect("font-set", func() {
		println("title:", fontbutton.GetTitle())
		println("fontname:", fontbutton.GetFontName())
		println("use_size:", fontbutton.GetUseSize())
		println("show_size:", fontbutton.GetShowSize())
	})
	buttons.Add(fontbutton)
	framebox2.PackStart(buttons, false, false, 0)

	buttons = gtk.NewHBox(false, 1)

	//--------------------------------------------------------
	// GtkToggleButton
	//--------------------------------------------------------
	togglebutton := gtk.NewToggleButtonWithLabel("ToggleButton with label")
	togglebutton.Connect("toggled", func() {
		if togglebutton.GetActive() {
			togglebutton.SetLabel("ToggleButton ON!")
		} else {
			togglebutton.SetLabel("ToggleButton OFF!")
		}
	})
	buttons.Add(togglebutton)

	//--------------------------------------------------------
	// GtkCheckButton
	//--------------------------------------------------------
	checkbutton := gtk.NewCheckButtonWithLabel("CheckButton with label")
	checkbutton.Connect("toggled", func() {
		if checkbutton.GetActive() {
			checkbutton.SetLabel("CheckButton CHECKED!")
		} else {
			checkbutton.SetLabel("CheckButton UNCHECKED!")
		}
	})
	buttons.Add(checkbutton)

	//--------------------------------------------------------
	// GtkRadioButton
	//--------------------------------------------------------
	buttonbox := gtk.NewVBox(false, 1)
	radiofirst := gtk.NewRadioButtonWithLabel(nil, "Radio1")
	buttonbox.Add(radiofirst)
	buttonbox.Add(gtk.NewRadioButtonWithLabel(radiofirst.GetGroup(), "Radio2"))
	buttonbox.Add(gtk.NewRadioButtonWithLabel(radiofirst.GetGroup(), "Radio3"))
	buttons.Add(buttonbox)
	//radiobutton.SetMode(false);
	radiofirst.SetActive(true)

	framebox2.PackStart(buttons, false, false, 0)

	//--------------------------------------------------------
	// GtkVSeparator
	//--------------------------------------------------------
	vsep := gtk.NewVSeparator()
	framebox2.PackStart(vsep, false, false, 0)

	//--------------------------------------------------------
	// GtkComboBoxEntry
	//--------------------------------------------------------
	combos := gtk.NewHBox(false, 1)
	comboboxentry := gtk.NewComboBoxEntryNewText()
	comboboxentry.AppendText("Monkey")
	comboboxentry.AppendText("Tiger")
	comboboxentry.AppendText("Elephant")
	comboboxentry.Connect("changed", func() {
		println("value:", comboboxentry.GetActiveText())
	})
	combos.Add(comboboxentry)

	//--------------------------------------------------------
	// GtkComboBox
	//--------------------------------------------------------
	combobox := gtk.NewComboBoxNewText()
	combobox.AppendText("Peach")
	combobox.AppendText("Banana")
	combobox.AppendText("Apple")
	combobox.SetActive(1)
	combobox.Connect("changed", func() {
		println("value:", combobox.GetActiveText())
	})
	combos.Add(combobox)

	framebox2.PackStart(combos, false, false, 0)

	//--------------------------------------------------------
	// GtkTextView
	//--------------------------------------------------------
	swin := gtk.NewScrolledWindow(nil, nil)
	swin.SetPolicy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
	swin.SetShadowType(gtk.SHADOW_IN)
	textview := gtk.NewTextView()
	var start, end gtk.TextIter
	buffer := textview.GetBuffer()
	buffer.GetStartIter(&start)
	buffer.Insert(&start, "Hello ")
	buffer.GetEndIter(&end)
	buffer.Insert(&end, "World!")
	tag := buffer.CreateTag("bold", map[string]string{
		"background": "#FF0000", "weight": "700"})
	buffer.GetStartIter(&start)
	buffer.GetEndIter(&end)
	buffer.ApplyTag(tag, &start, &end)
	swin.Add(textview)
	framebox2.Add(swin)

	buffer.Connect("changed", func() {
		println("changed")
	})

	//--------------------------------------------------------
	// GtkMenuItem
	//--------------------------------------------------------
	cascademenu := gtk.NewMenuItemWithMnemonic("_File")
	menubar.Append(cascademenu)
	submenu := gtk.NewMenu()
	cascademenu.SetSubmenu(submenu)

	menuitem = gtk.NewMenuItemWithMnemonic("E_xit")
	menuitem.Connect("activate", func() {
		gtk.MainQuit()
	})
	submenu.Append(menuitem)

	cascademenu = gtk.NewMenuItemWithMnemonic("_View")
	menubar.Append(cascademenu)
	submenu = gtk.NewMenu()
	cascademenu.SetSubmenu(submenu)

	checkmenuitem := gtk.NewCheckMenuItemWithMnemonic("_Disable")
	checkmenuitem.Connect("activate", func() {
		vpaned.SetSensitive(!checkmenuitem.GetActive())
	})
	submenu.Append(checkmenuitem)

	menuitem = gtk.NewMenuItemWithMnemonic("_Font")
	menuitem.Connect("activate", func() {
		fsd := gtk.NewFontSelectionDialog("Font")
		fsd.SetFontName(fontbutton.GetFontName())
		fsd.Response(func() {
			println(fsd.GetFontName())
			fontbutton.SetFontName(fsd.GetFontName())
			fsd.Destroy()
		})
		fsd.SetTransientFor(window)
		fsd.Run()
	})
	submenu.Append(menuitem)

	cascademenu = gtk.NewMenuItemWithMnemonic("_Help")
	menubar.Append(cascademenu)
	submenu = gtk.NewMenu()
	cascademenu.SetSubmenu(submenu)

	menuitem = gtk.NewMenuItemWithMnemonic("_About")
	menuitem.Connect("activate", func() {
		dialog := gtk.NewAboutDialog()
		dialog.SetName("Go-Gtk Demo!")
		dialog.SetProgramName("demo")
		dialog.SetAuthors(authors())
		dir, _ := path.Split(os.Args[0])
		imagefile := path.Join(dir, "../../data/johnbartholomew-logo.png")
		pixbuf, _ := gdkpixbuf.NewFromFile(imagefile)
		dialog.SetLogo(pixbuf)
		dialog.SetLicense("The library is available under the same terms and conditions as the Go, the BSD style license, and the LGPL (Lesser GNU Public License). The idea is that if you can use Go (and Gtk) in a project, you should also be able to use go-gtk.")
		dialog.SetWrapLicense(true)
		dialog.Run()
		dialog.Destroy()
	})
	submenu.Append(menuitem)

	//--------------------------------------------------------
	// GtkStatusbar
	//--------------------------------------------------------
	statusbar := gtk.NewStatusbar()
	context_id := statusbar.GetContextId("go-gtk")
	statusbar.Push(context_id, "GTK binding for Go!")

	framebox2.PackStart(statusbar, false, false, 0)

	//--------------------------------------------------------
	// Event
	//--------------------------------------------------------
	window.Add(vbox)
	window.SetSizeRequest(600, 600)
	window.ShowAll()
	gtk.Main()
}
Exemple #9
0
func main() {
	gtk.Init(&os.Args)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("GTK DrawingArea")
	window.Connect("destroy", gtk.MainQuit)

	vbox := gtk.NewVBox(true, 0)
	vbox.SetBorderWidth(5)
	drawingarea := gtk.NewDrawingArea()

	var p1, p2 point
	var gdkwin *gdk.Window
	var pixmap *gdk.Pixmap
	var gc *gdk.GC
	p1.x = -1
	p1.y = -1

	drawingarea.Connect("configure-event", func() {
		if pixmap != nil {
			pixmap.Unref()
		}
		var allocation gtk.Allocation
		drawingarea.GetAllocation(&allocation)
		pixmap = gdk.NewPixmap(drawingarea.GetWindow().GetDrawable(), allocation.Width, allocation.Height, 24)
		gc = gdk.NewGC(pixmap.GetDrawable())
		gc.SetRgbFgColor(gdk.NewColor("white"))
		pixmap.GetDrawable().DrawRectangle(gc, true, 0, 0, -1, -1)
		gc.SetRgbFgColor(gdk.NewColor("black"))
		gc.SetRgbBgColor(gdk.NewColor("white"))
	})

	drawingarea.Connect("motion-notify-event", func(ctx *glib.CallbackContext) {
		if gdkwin == nil {
			gdkwin = drawingarea.GetWindow()
		}
		arg := ctx.Args(0)
		mev := *(**gdk.EventMotion)(unsafe.Pointer(&arg))
		var mt gdk.ModifierType
		if mev.IsHint != 0 {
			gdkwin.GetPointer(&p2.x, &p2.y, &mt)
		} else {
			p2.x, p2.y = int(mev.X), int(mev.Y)
		}
		if p1.x != -1 && p2.x != -1 && (gdk.EventMask(mt)&gdk.BUTTON_PRESS_MASK) != 0 {
			pixmap.GetDrawable().DrawLine(gc, p1.x, p1.y, p2.x, p2.y)
			drawingarea.GetWindow().Invalidate(nil, false)
		}
		p1 = p2
	})

	drawingarea.Connect("expose-event", func() {
		if pixmap != nil {
			drawingarea.GetWindow().GetDrawable().DrawDrawable(gc, pixmap.GetDrawable(), 0, 0, 0, 0, -1, -1)
		}
	})

	drawingarea.SetEvents(int(gdk.POINTER_MOTION_MASK | gdk.POINTER_MOTION_HINT_MASK | gdk.BUTTON_PRESS_MASK))
	vbox.Add(drawingarea)

	window.Add(vbox)
	window.SetSizeRequest(400, 400)
	window.ShowAll()

	gtk.Main()
}