gtk/gtk.go
func (v *Entry) SetIconTooltipText(iconPos EntryIconPosition, tooltip string) {
	cstr := C.CString(tooltip)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_entry_set_icon_tooltip_text(v.native(),
		C.GtkEntryIconPosition(iconPos), (*C.gchar)(cstr))
}
func (v *Entry) SetIconTooltipText(iconPos EntryIconPosition, tooltip string) {
	cstr := C.CString(tooltip)
	defer C.free(unsafe.Pointer(cstr))
	C.gtk_entry_set_icon_tooltip_text(v.native(),
		C.GtkEntryIconPosition(iconPos), (*C.gchar)(cstr))
}
// SetIconTooltipText() is a wrapper around gtk_entry_set_icon_tooltip_text().