func font_cb() {
dialog := gtk.FontSelectionDialog("Pick a font")
dialog.SetFontName(opt.font)
if int(gtk.GTK_RESPONSE_OK) == dialog.Run() {
opt.font = dialog.GetFontName()
source_view.ModifyFontEasy(opt.font)
}
dialog.Destroy()
}
func main() {
var menuitem *gtk.GtkMenuItem
gtk.Init(nil)
window := gtk.Window(gtk.GTK_WINDOW_TOPLEVEL)
window.SetPosition(gtk.GTK_WIN_POS_CENTER)
window.SetTitle("GTK Go!")
window.Connect("destroy", func(ctx *glib.CallbackContext) {
println("got destroy!", ctx.Data().(string))
gtk.MainQuit()
}, "foo")
//--------------------------------------------------------
// GtkVBox
//--------------------------------------------------------
vbox := gtk.VBox(false, 1)
//--------------------------------------------------------
// GtkMenuBar
//--------------------------------------------------------
menubar := gtk.MenuBar()
vbox.PackStart(menubar, false, false, 0)
//--------------------------------------------------------
// GtkVPaned
//--------------------------------------------------------
vpaned := gtk.VPaned()
vbox.Add(vpaned)
//--------------------------------------------------------
// GtkFrame
//--------------------------------------------------------
frame1 := gtk.Frame("Demo")
framebox1 := gtk.VBox(false, 1)
frame1.Add(framebox1)
frame2 := gtk.Frame("Demo")
framebox2 := gtk.VBox(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.Label("Go Binding for GTK")
label.ModifyFontEasy("DejaVu Serif 15")
framebox1.PackStart(label, false, true, 0)
//--------------------------------------------------------
// GtkEntry
//--------------------------------------------------------
entry := gtk.Entry()
entry.SetText("Hello world")
framebox1.Add(entry)
image := gtk.ImageFromFile(imagefile)
framebox1.Add(image)
//--------------------------------------------------------
// GtkScale
//--------------------------------------------------------
scale := gtk.HScaleWithRange(0, 100, 1)
scale.Connect("value-changed", func() {
println("scale:", int(scale.GetValue()))
})
framebox2.Add(scale)
//--------------------------------------------------------
// GtkHBox
//--------------------------------------------------------
buttons := gtk.HBox(false, 1)
//--------------------------------------------------------
// GtkButton
//--------------------------------------------------------
button := gtk.ButtonWithLabel("Button with label")
button.Clicked(func() {
println("button clicked:", button.GetLabel())
messagedialog := gtk.MessageDialog(
button.GetTopLevelAsWindow(),
gtk.GTK_DIALOG_MODAL,
gtk.GTK_MESSAGE_INFO,
gtk.GTK_BUTTONS_OK,
entry.GetText())
messagedialog.Response(func() {
println("Dialog OK!")
//--------------------------------------------------------
// GtkFileChooserDialog
//--------------------------------------------------------
filechooserdialog := gtk.FileChooserDialog(
"Choose File...",
button.GetTopLevelAsWindow(),
gtk.GTK_FILE_CHOOSER_ACTION_OPEN,
gtk.GTK_STOCK_OK,
int(gtk.GTK_RESPONSE_ACCEPT))
filter := gtk.FileFilter()
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.FontButton()
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.HBox(false, 1)
//--------------------------------------------------------
// GtkToggleButton
//--------------------------------------------------------
togglebutton := gtk.ToggleButtonWithLabel("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.CheckButtonWithLabel("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.VBox(false, 1)
radiofirst := gtk.RadioButtonWithLabel(nil, "Radio1")
buttonbox.Add(radiofirst)
buttonbox.Add(gtk.RadioButtonWithLabel(radiofirst.GetGroup(), "Radio2"))
buttonbox.Add(gtk.RadioButtonWithLabel(radiofirst.GetGroup(), "Radio3"))
buttons.Add(buttonbox)
//radiobutton.SetMode(false);
radiofirst.SetActive(true)
framebox2.PackStart(buttons, false, false, 0)
//--------------------------------------------------------
// GtkVSeparator
//--------------------------------------------------------
vsep := gtk.VSeparator()
framebox2.PackStart(vsep, false, false, 0)
//--------------------------------------------------------
// GtkComboBoxEntry
//--------------------------------------------------------
combos := gtk.HBox(false, 1)
comboboxentry := gtk.ComboBoxEntryNewText()
comboboxentry.AppendText("Monkey")
comboboxentry.AppendText("Tiger")
comboboxentry.AppendText("Elephant")
comboboxentry.Connect("changed", func() {
println("value:", comboboxentry.GetActiveText())
})
combos.Add(comboboxentry)
//--------------------------------------------------------
// GtkComboBox
//--------------------------------------------------------
combobox := gtk.ComboBoxNewText()
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.ScrolledWindow(nil, nil)
swin.SetPolicy(gtk.GTK_POLICY_AUTOMATIC, gtk.GTK_POLICY_AUTOMATIC)
swin.SetShadowType(gtk.GTK_SHADOW_IN)
textview := gtk.TextView()
var start, end gtk.GtkTextIter
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.MenuItemWithMnemonic("_File")
menubar.Append(cascademenu)
submenu := gtk.Menu()
cascademenu.SetSubmenu(submenu)
menuitem = gtk.MenuItemWithMnemonic("E_xit")
menuitem.Connect("activate", func() {
gtk.MainQuit()
})
submenu.Append(menuitem)
cascademenu = gtk.MenuItemWithMnemonic("_View")
menubar.Append(cascademenu)
submenu = gtk.Menu()
cascademenu.SetSubmenu(submenu)
checkmenuitem := gtk.CheckMenuItemWithMnemonic("_Disable")
checkmenuitem.Connect("activate", func() {
vpaned.SetSensitive(!checkmenuitem.GetActive())
})
submenu.Append(checkmenuitem)
menuitem = gtk.MenuItemWithMnemonic("_Font")
menuitem.Connect("activate", func() {
fsd := gtk.FontSelectionDialog("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.MenuItemWithMnemonic("_Help")
menubar.Append(cascademenu)
submenu = gtk.Menu()
cascademenu.SetSubmenu(submenu)
menuitem = gtk.MenuItemWithMnemonic("_About")
menuitem.Connect("activate", func() {
dialog := gtk.AboutDialog()
dialog.SetName("Go-Gtk Demo!")
dialog.SetProgramName("demo")
dialog.SetAuthors([]string{
"Yasuhiro Matsumoto <*****@*****.**>",
"David Roundy <*****@*****.**>",
"Mark Andrew Gerads",
"Tobias Kortkamp",
"Mikhail Trushnikov",
"Federico Sogaro <*****@*****.**>"})
dir, _ := path.Split(os.Args[0])
imagefile := path.Join(dir, "../../data/mattn-logo.png")
pixbuf, _ := gdkpixbuf.PixbufFromFile(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.Statusbar()
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()
}