Some work

wdgt_bordered.go

@@ -83,13 +83,14 @@ func (w *BorderedWidget) Draw(screen tcell.Screen) {
 	if !w.widget.Visible() {
 		return
 	}
+	st := w.style.Dim(!w.Active())
 	if len(w.title) > 0 {
-		wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, w.border, w.style, screen)
+		wh.TitledBorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.title, w.border, st, screen)
 	} else {
-		wh.BorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.border, w.style, screen)
+		wh.BorderFilled(w.x, w.y, w.x+w.w, w.y+w.h, w.border, st, screen)
 	}
 	if len(w.help) > 0 {
-		wh.DrawText(w.x+w.w-len(w.help)-2, w.y+w.h, w.help, w.style, screen)
+		wh.DrawText(w.x+w.w-len(w.help)-2, w.y+w.h, w.help, st, screen)
 	}
 	w.GetPos().DrawOffset(w.widget, screen)
 }

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)
 

wdgt_field.go

@@ -35,6 +35,8 @@ type Field struct {
 	label string
 	value string
 
+	overwriteMode bool
+
 	cursor    int
 	visible   bool
 	active    bool
@@ -93,6 +95,10 @@ func (w *Field) HandleKey(ev *tcell.EventKey) bool {
 		return false
 	}
 	if wh.IsBS(*ev) {
+		if w.overwriteMode {
+			w.cursor--
+			return true
+		}
 		return w.handleBackspace(ev)
 	}
 	if ok := w.keyMap.Handle(ev); ok {
@@ -102,7 +108,16 @@ func (w *Field) HandleKey(ev *tcell.EventKey) bool {
 		return false
 	}
 	if ev.Key() == tcell.KeyRune {
-		w.SetValue(fmt.Sprintf("%s%s%s", w.value[:w.cursor], string(ev.Rune()), w.value[w.cursor:]))
+		var val string
+		if w.overwriteMode {
+			val = fmt.Sprintf("%s%s", w.value[:w.cursor], string(ev.Rune()))
+			if len(w.value) > w.cursor+1 {
+				val = fmt.Sprintf("%s%s", val, w.value[w.cursor+1:])
+			}
+		} else {
+			val = fmt.Sprintf("%s%s%s", w.value[:w.cursor], string(ev.Rune()), w.value[w.cursor:])
+		}
+		w.SetValue(val)
 		w.cursor++
 		return true
 	}
@@ -252,3 +267,4 @@ func (w *Field) SetFilter(f func(ev tcell.EventKey) bool) {
 		return f(ev)
 	}
 }
+func (w *Field) SetOverwrite(b bool) { w.overwriteMode = b }

wdgt_top_menu_layout.go

@@ -68,8 +68,20 @@ func (w *TopMenuLayout) Init(id string, s tcell.Style) {
 	w.menu.SetType(MenuTypeH)
 
 	w.widget = NewBlankWidget("blank")
-	w.keyMap = BlankKeyMap()
-	w.keyMap.Add(tcell.KeyEscape, func(ev *tcell.EventKey) bool {
+	w.keyMap = NewKeyMap(map[tcell.Key]func(ev *tcell.EventKey) bool{
+		tcell.KeyEscape: func(ev *tcell.EventKey) bool {
+			return w.ToggleMenu()
+		},
+	})
+	w.keyMap.AddRune(' ', func(ev *tcell.EventKey) bool {
+		if ev.Modifiers()&tcell.ModAlt != 0 {
+			return w.ToggleMenu()
+		}
+		return false
+	})
+}
+
+func (w *TopMenuLayout) ToggleMenu() bool {
 	if w.menu != nil {
 		w.menu.SetActive(!w.menu.Active())
 		if w.widget != nil {
@@ -78,7 +90,6 @@ func (w *TopMenuLayout) Init(id string, s tcell.Style) {
 		return true
 	}
 	return false
-	})
 }
 
 func (w *TopMenuLayout) Id() string { return w.id }