func main() {
gtk.Init(nil)
window := gtk.Window(gtk.GTK_WINDOW_TOPLEVEL)
window.SetTitle("GTK Go!")
window.Connect("destroy", func(w *gtk.GtkWidget, user_data string) {
println("got destroy!", user_data)
gtk.MainQuit()
},
"foo")
//--------------------------------------------------------
// GtkVBox
//--------------------------------------------------------
vbox := gtk.VBox(false, 1)
//--------------------------------------------------------
// GtkMenuBar
//--------------------------------------------------------
menubar := gtk.MenuBar()
vbox.PackStart(menubar, false, false, 0)
//--------------------------------------------------------
// GtkMenuItem
//--------------------------------------------------------
filemenu := gtk.MenuItemWithMnemonic("_File")
menubar.Append(filemenu)
filesubmenu := gtk.Menu()
filemenu.SetSubmenu(filesubmenu)
exitmenuitem := gtk.MenuItemWithMnemonic("E_xit")
exitmenuitem.Connect("activate", func() {
gtk.MainQuit()
},
nil)
filesubmenu.Append(exitmenuitem)
filemenu = gtk.MenuItemWithMnemonic("_Help")
menubar.Append(filemenu)
filesubmenu = gtk.Menu()
filemenu.SetSubmenu(filesubmenu)
exitmenuitem = gtk.MenuItemWithMnemonic("_About")
exitmenuitem.Connect("activate", func() {
dialog := gtk.AboutDialog()
dialog.SetName("Go-Gtk Demo!")
dialog.SetProgramName("demo")
dialog.SetAuthors([]string{
"Yasuhiro Matsumoto <*****@*****.**>",
"David Roundy <*****@*****.**>"})
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()
},
nil)
filesubmenu.Append(exitmenuitem)
//--------------------------------------------------------
// 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.Add1(frame1)
vpaned.Add2(frame2)
//--------------------------------------------------------
// 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)
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() {
print("scale: ", int(scale.GetValue()), "\n")
},
nil)
framebox2.Add(scale)
//--------------------------------------------------------
// GtkHBox
//--------------------------------------------------------
buttons := gtk.HBox(false, 1)
//--------------------------------------------------------
// GtkButton
//--------------------------------------------------------
button := gtk.ButtonWithLabel("Button with label")
button.Clicked(func() {
print("button clicked: ", button.GetLabel(), "\n")
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)
filechooserdialog.Response(func() {
println(filechooserdialog.GetFilename())
filechooserdialog.Destroy()
},
nil)
filechooserdialog.Run()
},
nil)
messagedialog.Run()
messagedialog.Destroy()
},
nil)
buttons.Add(button)
//--------------------------------------------------------
// GtkFontButton
//--------------------------------------------------------
fontbutton := gtk.FontButton()
fontbutton.Connect("font-set", func() {
print("title: ", fontbutton.GetTitle(), "\n")
print("fontname: ", fontbutton.GetFontName(), "\n")
print("use_size: ", fontbutton.GetUseSize(), "\n")
print("show_size: ", fontbutton.GetShowSize(), "\n")
},
nil)
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!")
}
},
nil)
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!")
}
},
nil)
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)
//--------------------------------------------------------
// GtkComboBoxEntry
//--------------------------------------------------------
combos := gtk.HBox(false, 1)
comboboxentry := gtk.ComboBoxEntryNewText()
comboboxentry.AppendText("Monkey")
comboboxentry.AppendText("Tiger")
comboboxentry.AppendText("Elephant")
comboboxentry.Connect("changed", func() {
print("value: ", comboboxentry.GetActiveText(), "\n")
},
nil)
combos.Add(comboboxentry)
//--------------------------------------------------------
// GtkComboBox
//--------------------------------------------------------
combobox := gtk.ComboBoxNewText()
combobox.AppendText("Peach")
combobox.AppendText("Banana")
combobox.AppendText("Apple")
combobox.SetActive(1)
combobox.Connect("changed", func() {
print("value: ", combobox.GetActiveText(), "\n")
},
nil)
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)
//--------------------------------------------------------
// 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()
}
func main() {
gtk.Init(&os.Args)
display = gtk.Entry()
window := gtk.Window(gtk.GTK_WINDOW_TOPLEVEL)
window.SetTitle("Simple Go Calculator")
window.Connect("destroy", Quit, nil)
// Vertical box containing all components
vbox := gtk.VBox(false, 1)
// Menu bar
menubar := gtk.MenuBar()
vbox.PackStart(menubar, false, false, 0)
// Add calculator display to vertical box
display.SetCanFocus(false) // disable focus on calcuator display
vbox.Add(display)
// Menu items
filemenu := gtk.MenuItemWithMnemonic("_File")
menubar.Append(filemenu)
filesubmenu := gtk.Menu()
filemenu.SetSubmenu(filesubmenu)
aboutmenuitem := gtk.MenuItemWithMnemonic("_About")
aboutmenuitem.Connect("activate", func() {
messagedialog := gtk.MessageDialog(
window.GetTopLevelAsWindow(),
gtk.GTK_DIALOG_MODAL,
gtk.GTK_MESSAGE_INFO,
gtk.GTK_BUTTONS_OK,
"Simple Go Calculator")
messagedialog.Response(func() {}, nil)
messagedialog.Run()
messagedialog.Destroy()
},
nil)
filesubmenu.Append(aboutmenuitem)
resetmenuitem := gtk.MenuItemWithMnemonic("_Reset")
resetmenuitem.Connect("activate", func() { Reset(); display.SetText("0") }, nil)
filesubmenu.Append(resetmenuitem)
exitmenuitem := gtk.MenuItemWithMnemonic("E_xit")
exitmenuitem.Connect("activate", Quit, nil)
filesubmenu.Append(exitmenuitem)
// Vertical box containing all buttons
buttons := gtk.VBox(false, 5)
for i := 0; i < 4; i++ {
hbox := gtk.HBox(false, 5) // a horizontal box for each 4 buttons
for j := 0; j < 4; j++ {
b := gtk.ButtonWithLabel(string(nums[i*4+j]))
b.Clicked(Input(b), nil) //add click event
hbox.Add(b)
}
buttons.Add(hbox) // add horizonatal box to vertical buttons' box
}
vbox.Add(buttons)
window.Add(vbox)
window.SetSizeRequest(250, 250)
window.ShowAll()
gtk.Main()
}