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) { 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() println("SpinButton changed, new value: " + strconv.Itoa(val) + " | " + strconv.FormatFloat(fval, 'f', 2, 64)) min, max := spinbutton1.GetRange() println("Range: " + strconv.FormatFloat(min, 'f', 2, 64) + " " + strconv.FormatFloat(max, 'f', 2, 64)) 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() }
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() }