Some work

wdgt_datepicker.go

@@ -67,6 +67,7 @@ func (w *DatePicker) Init(id string, s tcell.Style) {
 	w.format = time.RFC3339
 
 	w.dateFld = NewField(fmt.Sprintf("%s-date", id), s)
+	w.dateFld.SetOverwrite(true)
 	w.dateFld.SetValue(w.date.Format(w.format))
 	w.dateFld.SetH(1)