@@ -31,9 +31,6 @@ type List struct {
3131 // scrolled out of view (above the viewport).
3232 // It must always be >= 0.
3333 offsetLine int
34−
35− // Dirty tracking
36− dirtyItems map[int]struct{}
3734}
3835
3936// renderedItem holds the rendered content and height of an item.
@@ -47,7 +44,6 @@ func NewList(items ...Item) *List {
4744 l := new(List)
4845 l.items = items
4946 l.renderedItems = make(map[int]renderedItem)
50− l.dirtyItems = make(map[int]struct{})
5147 return l
5248}
5349
@@ -88,9 +84,7 @@ func (l *List) getItem(idx int) renderedItem {
8884 }
8985
9086 if item, ok := l.renderedItems[idx]; ok {
91− if _, dirty := l.dirtyItems[idx]; !dirty {
92− return item
93− }
87+ return item
9488 }
9589
9690 item := l.items[idx]
@@ -104,7 +98,6 @@ func (l *List) getItem(idx int) renderedItem {
10498 }
10599
106100 l.renderedItems[idx] = ri
107− delete(l.dirtyItems, idx)
108101
109102 return ri
110103}
@@ -301,13 +294,6 @@ func (l *List) PrependItems(items ...Item) {
301294 }
302295 l.renderedItems = newCache
303296
304− // Shift dirty items
305− newDirty := make(map[int]struct{})
306− for idx := range l.dirtyItems {
307− newDirty[idx+len(items)] = struct{}{}
308− }
309− l.dirtyItems = newDirty
310−
311297 // Keep view position relative to the content that was visible
312298 l.offsetIdx += len(items)
313299
@@ -325,6 +311,9 @@ func (l *List) AppendItems(items ...Item) {
325311// Focus sets the focus state of the list.
326312func (l *List) Focus() {
327313 l.focused = true
314+ if l.selectedIdx < 0 || l.selectedIdx > len(l.items)-1 {
315+ return
316+ }
328317}
329318
330319// Blur removes the focus state from the list.