func iconPressCallback(menu *gtk3.Menu, entry *gtk3.Entry, position int, event gdk3.EventButton, data ...interface{}) {
if position == gtk3.GtkEntryIconPosition.PRIMARY {
menu.Popup(nil, nil, event.Button, event.Time, nil)
} else {
entry.SetText("")
}
}
func entryPopulatePopup(entry *gtk3.Entry, menu *gtk3.Menu, data ...interface{}) {
hasText := entry.GetTextLength() > 0
item := gtk3.NewSeparatorMenuItem()
item.Show()
menu.Append(item)
item2 := gtk3.NewMenuItemWithMnemonic("C_lear")
item2.Show()
item2.Connect("activate", func() { entry.SetText("") })
menu.Append(item2)
item2.SetSensitive(hasText)
searchMenu := createSearchMenu(entry)
item3 := gtk3.NewMenuItemWithLabel("Search by")
item3.Show()
item3.SetSubmenu(searchMenu)
menu.Append(item3)
}