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

	notebook := gtk.NewNotebook()
	for n := 1; n <= 10; n++ {
		page := gtk.NewFrame("demo" + strconv.Itoa(n))
		notebook.AppendPage(page, gtk.NewLabel("demo"+strconv.Itoa(n)))

		vbox := gtk.NewHBox(false, 1)

		prev := gtk.NewButtonWithLabel("go prev")
		prev.Clicked(func() {
			notebook.PrevPage()
		})
		vbox.Add(prev)

		next := gtk.NewButtonWithLabel("go next")
		next.Clicked(func() {
			notebook.NextPage()
		})
		vbox.Add(next)

		page.Add(vbox)
	}

	window.Add(notebook)
	window.SetSizeRequest(400, 200)
	window.ShowAll()

	gtk.Main()
}
Example #2
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()
}
Example #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()
}
Example #4
0
func main() {
	gtk.Init(&os.Args)
	window := gtk.NewWindow(gtk.WINDOW_TOPLEVEL)
	window.SetTitle("Alignment")
	window.Connect("destroy", gtk.MainQuit)

	notebook := gtk.NewNotebook()
	window.Add(notebook)

	align := gtk.NewAlignment(0.5, 0.5, 0.5, 0.5)
	notebook.AppendPage(align, gtk.NewLabel("Alignment"))

	button := gtk.NewButtonWithLabel("Hello World!")
	align.Add(button)

	fixed := gtk.NewFixed()
	notebook.AppendPage(fixed, gtk.NewLabel("Fixed"))

	button2 := gtk.NewButtonWithLabel("Pulse")
	fixed.Put(button2, 30, 30)

	progress := gtk.NewProgressBar()
	fixed.Put(progress, 30, 70)

	button.Connect("clicked", func() {
		progress.SetFraction(0.1 + 0.9*progress.GetFraction()) //easter egg
	})
	button2.Connect("clicked", func() {
		progress.Pulse()
	})

	window.ShowAll()
	window.SetSizeRequest(200, 200)

	gtk.Main()
}
Example #5
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()
}
Example #6
0
func main() {
	gtk.Init(&os.Args)

	dialog := gtk.NewDialog()
	dialog.SetTitle("number input")

	vbox := dialog.GetVBox()

	label := gtk.NewLabel("Numnber:")
	vbox.Add(label)

	input := gtk.NewEntry()
	input.SetEditable(true)
	vbox.Add(input)

	input.Connect("insert-text", func(ctx *glib.CallbackContext) {
		a := (*[2000]uint8)(unsafe.Pointer(ctx.Args(0)))
		p := (*int)(unsafe.Pointer(ctx.Args(2)))
		i := 0
		for a[i] != 0 {
			i++
		}
		s := string(a[0:i])
		if s == "." {
			if *p == 0 {
				input.StopEmission("insert-text")
			}
		} else {
			_, err := strconv.ParseFloat(s, 64)
			if err != nil {
				input.StopEmission("insert-text")
			}
		}
	})

	button := gtk.NewButtonWithLabel("OK")
	button.Connect("clicked", func() {
		println(input.GetText())
		gtk.MainQuit()
	})
	vbox.Add(button)

	dialog.ShowAll()
	gtk.Main()
}
Example #7
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()
}