Some work

wdgt_alert.go

@@ -36,7 +36,6 @@ type Alert struct {
 	w, h    int
 	active  bool
 	visible bool
-	focusable bool
 
 	layout           *LinearLayout
 	title            string
@@ -90,7 +89,6 @@ func (w *Alert) Init(id string, style tcell.Style) {
 		NewKey(BuildEK(tcell.KeyUp), w.SelectNext),
 		NewKey(BuildEK(tcell.KeyEnter), w.Do),
 	)
-	w.focusable = true
 }
 func (w *Alert) Id() string { return w.id }
 func (w *Alert) HandleResize(ev *tcell.EventResize) {
@@ -144,10 +142,15 @@ func (w *Alert) SetH(y int)          { w.h = y }
 func (w *Alert) GetW() int         { return w.w }
 func (w *Alert) GetH() int         { return w.y }
 func (w *Alert) SetSize(c Coord)   { w.w, w.h = c.X, c.Y }
-func (w *Alert) Focusable() bool     { return w.focusable }
-func (w *Alert) SetFocusable(b bool) { w.focusable = b }
 func (w *Alert) WantW() int {
-	return 4 + wh.Max(w.message.WantW(), (w.btnOk.WantW()+w.btnCancel.WantW()))
+	var okW, cancelW int
+	if !w.btnOk.Visible() {
+		okW = w.btnOk.WantW()
+	}
+	if !w.btnCancel.Visible() {
+		cancelW = w.btnCancel.WantW()
+	}
+	return 4 + wh.Max(w.message.WantW(), (okW+cancelW))
 }
 
 func (w *Alert) WantH() int {
@@ -167,13 +170,11 @@ func (w *Alert) SetMessage(msg string) { w.message.SetText(msg) }
 
 func (w *Alert) SetOkPressed(b func() bool) {
 	w.btnOk.SetVisible(b != nil)
-	w.btnOk.SetFocusable(b != nil)
 	w.btnOk.SetOnPressed(b)
 }
 
 func (w *Alert) SetCancelPressed(b func() bool) {
 	w.btnCancel.SetVisible(b != nil)
-	w.btnCancel.SetFocusable(b != nil)
 	w.btnCancel.SetOnPressed(b)
 }
 

wdgt_button.go

@@ -38,7 +38,6 @@ type Button struct {
 
 	active  bool
 	visible bool
-	focusable bool
 	keyMap  *KeyMap
 
 	onPressed func() bool
@@ -59,7 +58,6 @@ func (w *Button) Init(id string, style tcell.Style) {
 	w.visible = true
 	w.keyMap = NewKeyMap(NewKey(BuildEK(tcell.KeyEnter), func(ev *tcell.EventKey) bool { return w.onPressed() }))
 	w.onPressed = func() bool { return false }
-	w.focusable = true
 }
 func (w *Button) Id() string { return w.id }
 func (w *Button) HandleResize(ev *tcell.EventResize) {
@@ -140,8 +138,6 @@ func (w *Button) GetH() int           { return w.h }
 func (w *Button) WantW() int        { return 4 + len(w.label) }
 func (w *Button) WantH() int        { return 3 }
 func (w *Button) SetSize(c Coord)   { w.w, w.h = c.X, c.Y }
-func (w *Button) Focusable() bool     { return w.focusable }
-func (w *Button) SetFocusable(b bool) { w.focusable = b }
 func (w *Button) MinW() int         { return len(w.label) + 2 }
 func (w *Button) MinH() int         { return 1 }
 

wdgt_top_menu_layout.go

@@ -89,6 +89,28 @@ func (w *TopMenuLayout) ToggleMenu() bool {
 	return false
 }
 
+func (w *TopMenuLayout) ShowMenu() bool {
+	if w.menu != nil {
+		w.menu.SetActive(true)
+		if w.widget != nil {
+			w.widget.SetActive(false)
+		}
+		return true
+	}
+	return false
+}
+
+func (w *TopMenuLayout) HideMenu() bool {
+	if w.menu != nil {
+		w.menu.SetActive(false)
+		if w.widget != nil {
+			w.widget.SetActive(true)
+		}
+		return true
+	}
+	return false
+}
+
 func (w *TopMenuLayout) Id() string { return w.id }
 func (w *TopMenuLayout) HandleResize(ev *tcell.EventResize) {
 	w.w, w.h = ev.Size()