Some work

wdgt_simple_list.go

@@ -212,8 +212,13 @@ func (w *SimpleList) MoveDown() bool {
 }
 func (w *SimpleList) SetTitle(ttl string) { w.title = ttl }
 func (w *SimpleList) SetList(l []string)  { w.list = l }
-func (w *SimpleList) Clear()              { w.list = []string{} }
-func (w *SimpleList) Add(l string)        { w.list = append(w.list, l) }
+func (w *SimpleList) Clear() {
+	w.list = []string{}
+	for k := range w.itemsStyle {
+		delete(w.itemsStyle, k)
+	}
+}
+func (w *SimpleList) Add(l string) { w.list = append(w.list, l) }
 func (w *SimpleList) Remove(l string) {
 	var idx int
 	var found bool
@@ -242,7 +247,15 @@ func (w *SimpleList) SetItem(idx int, txt string) {
 		w.list[idx] = txt
 	}
 }
-func (w *SimpleList) SelectedIndex() int                   { return w.cursor }
+func (w *SimpleList) SelectedIndex() int { return w.cursor }
+func (w *SimpleList) SetSelectedIndex(i int) {
+	if i < 0 {
+		i = 0
+	} else if i >= len(w.list) {
+		i = len(w.list) - 1
+	}
+	w.cursor = i
+}
 func (w *SimpleList) ClearBorder()                         { w.border = []rune{} }
 func (w *SimpleList) SetOnSelect(s func(int, string) bool) { w.onSelect = s }
 func (w *SimpleList) SetVimMode(b bool)                    { w.vimMode = b }