func setBackground(entry *gtk3.Entry, mask string) { errorColor := gdk3.RGBA{1.0, 0.9, 0.9, 1.0} if mask != "" { m, _ := regexp.Compile(mask) if m.FindStringIndex(entry.GetText()) == nil { entry.OverrideColor(0, &errorColor) return } } entry.OverrideColor(0, nil) }
func interactiveDialog(w *gtk3.Window, entry1, entry2 *gtk3.Entry) { dialog := gtk3.NewDialogWithButtons("Interactive Dialog", w, gtk3.GtkDialogFlags.MODAL|gtk3.GtkDialogFlags.DESTROY_WITH_PARENT, gtk3.B{{gtk3.GtkStock.OK, gtk3.GtkResponse.OK}, {"_Non-stock Button", gtk3.GtkResponse.CANCEL}}) content_area := dialog.GetContentArea().(*gtk3.Box) hbox := gtk3.NewHBox(8) hbox.SetBorderWidth(uint(8)) content_area.PackStart(hbox, false, false, 0) stock := gtk3.NewImageFromStock(gtk3.GtkStock.DIALOG_QUESTION, gtk3.GtkIconSize.DIALOG) hbox.PackStart(stock, false, false, 0) table := gtk3.NewGrid() table.SetRowSpacing(4) table.SetColumnSpacing(4) hbox.PackStart(table, true, true, 0) label := gtk3.NewLabelWithMnemonic("_Entry 1") table.Attach(label, 0, 0, 1, 1) local_entry1 := gtk3.NewEntry() local_entry1.SetText(entry1.GetText()) table.Attach(local_entry1, 1, 0, 1, 1) label.SetMnemonicWidget(local_entry1) label = gtk3.NewLabelWithMnemonic("E_ntry 2") table.Attach(label, 0, 1, 1, 1) local_entry2 := gtk3.NewEntry() local_entry2.SetText(entry2.GetText()) table.Attach(local_entry2, 1, 1, 1, 1) label.SetMnemonicWidget(local_entry2) hbox.ShowAll() response := dialog.Run() if response == gtk3.GtkResponse.OK { entry1.SetText(local_entry1.GetText()) entry2.SetText(local_entry2.GetText()) } dialog.Destroy() }