widget: reset focused states when disabled

Signed-off-by: Elias Naur <mail@eliasnaur.com>

widget/button.go

@@ -112,6 +112,8 @@ func (b *Clickable) Layout(gtx layout.Context, w layout.Widget) layout.Dimension
 	b.click.Add(gtx.Ops)
 	if !disabled {
 		key.InputOp{Tag: &b.keyTag}.Add(gtx.Ops)
+	} else {
+		b.focused = false
 	}
 	c.Add(gtx.Ops)
 	for len(b.history) > 0 {

widget/enum.go

@@ -121,6 +121,8 @@ func (e *Enum) Layout(gtx layout.Context, k string, content layout.Widget) layou
 	disabled := gtx.Queue == nil
 	if !disabled {
 		key.InputOp{Tag: &state.tag}.Add(gtx.Ops)
+	} else if e.focus == k {
+		e.focused = false
 	}
 	semantic.SelectedOp(k == e.Value).Add(gtx.Ops)
 	semantic.DisabledOp(disabled).Add(gtx.Ops)