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()
}
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()
}