func createStatusbar() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal(err)
}
l, err := gtk.LabelNew("Connecting to daemon...")
if err != nil {
log.Fatal("Unable to create label:", err)
}
StatusElems.Lab = l
grid.Add(l)
p, err := gtk.ProgressBarNew()
if err != nil {
log.Fatal("Unable to create progress bar:", err)
}
StatusElems.Pb = p
p.SetSizeRequest(300, -1)
p.SetFraction(0)
p.Set("show-text", true)
p.SetText("")
p.SetNoShowAll(true)
grid.Add(p)
return &grid.Container.Widget
}
func windowWidget() *gtk.Widget {
grid, err := gtk.GridNew()
if err != nil {
log.Fatal("Unable to create grid:", err)
}
grid.SetOrientation(gtk.ORIENTATION_VERTICAL)
entry, err := gtk.EntryNew()
if err != nil {
log.Fatal("Unable to create entry:", err)
}
s, _ := entry.GetText()
label, err := gtk.LabelNew(s)
if err != nil {
log.Fatal("Unable to create label:", err)
}
grid.Add(entry)
entry.SetHExpand(true)
grid.AttachNextTo(label, entry, gtk.POS_RIGHT, 1, 1)
label.SetHExpand(true)
// Connects this entry's "activate" signal (which is emitted whenever
// Enter is pressed when the Entry is activated) to an anonymous
// function that gets the current text of the entry and sets the text of
// the label beside it with it. Unlike with native GTK callbacks,
// (*glib.Object).Connect() supports closures. In this example, this is
// demonstrated by using the label variable. Without closures, a
// pointer to the label would need to be passed in as user data
// (demonstrated in the next example).
entry.Connect("activate", func() {
s, _ := entry.GetText()
label.SetText(s)
})
sb, err := gtk.SpinButtonNewWithRange(0, 1, 0.1)
if err != nil {
log.Fatal("Unable to create spin button:", err)
}
pb, err := gtk.ProgressBarNew()
if err != nil {
log.Fatal("Unable to create progress bar:", err)
}
grid.Add(sb)
sb.SetHExpand(true)
grid.AttachNextTo(pb, sb, gtk.POS_RIGHT, 1, 1)
label.SetHExpand(true)
// Pass in a ProgressBar and the target SpinButton as user data rather
// than using the sb and pb variables scoped to the anonymous func.
// This can be useful when passing in a closure that has already been
// generated, but when you still wish to connect the callback with some
// variables only visible in this scope.
sb.Connect("value-changed", func(obj *glib.Object, pb *gtk.ProgressBar) {
sb := >k.SpinButton{gtk.Entry{gtk.Widget{
glib.InitiallyUnowned{obj}}}}
pb.SetFraction(sb.GetValue() / 1)
}, pb)
label, err = gtk.LabelNew("")
if err != nil {
log.Fatal("Unable to create label:", err)
}
s = "Hyperlink to <a href=\"https://www.cyphertite.com/\">Cyphertite</a> for your clicking pleasure"
label.SetMarkup(s)
grid.AttachNextTo(label, sb, gtk.POS_BOTTOM, 2, 1)
// Some GTK callback functions require arguments, such as the
// 'gchar *uri' argument of GtkLabel's "activate-link" signal. To use
// these arguments, pass in a *glib.CallbackContext as an argument, and
// access by calling (*glib.CallbackContext).Arg(n) for the nth
// argument.
label.Connect("activate-link", func(_ *glib.Object, uri string) {
fmt.Println("you clicked a link to:", uri)
})
return &grid.Container.Widget
}