Exemple #1
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) {
		fmt.Println("got destroy!", ctx.Data().(string))
		gtk.MainQuit()
	}, "foo")

	//--------------------------------------------------------
	// GtkHBox
	//--------------------------------------------------------
	fixed := gtk.NewFixed()

	//--------------------------------------------------------
	// GtkSpinButton
	//--------------------------------------------------------
	spinbutton1 := gtk.NewSpinButtonWithRange(1.0, 10.0, 1.0)
	spinbutton1.SetDigits(3)
	spinbutton1.Spin(gtk.SPIN_STEP_FORWARD, 7.0)
	fixed.Put(spinbutton1, 40, 50)

	spinbutton1.OnValueChanged(func() {
		val := spinbutton1.GetValueAsInt()
		fval := spinbutton1.GetValue()
		fmt.Println("SpinButton changed, new value: " + strconv.Itoa(val) + " | " + strconv.FormatFloat(fval, 'f', 2, 64))
		min, max := spinbutton1.GetRange()
		fmt.Println("Range: " + strconv.FormatFloat(min, 'f', 2, 64) + " " + strconv.FormatFloat(max, 'f', 2, 64))
		fmt.Println("Digits: " + strconv.Itoa(int(spinbutton1.GetDigits())))
	})

	adjustment := gtk.NewAdjustment(2.0, 1.0, 8.0, 2.0, 0.0, 0.0)
	spinbutton2 := gtk.NewSpinButton(adjustment, 1.0, 1)
	spinbutton2.SetRange(0.0, 20.0)
	spinbutton2.SetValue(18.0)
	spinbutton2.SetIncrements(2.0, 4.0)
	fixed.Put(spinbutton2, 150, 50)

	//--------------------------------------------------------
	// Event
	//--------------------------------------------------------
	window.Add(fixed)
	window.SetSizeRequest(600, 600)
	window.ShowAll()
	gtk.Main()
}
Exemple #2
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()
}