itemCount property
set
itemCount
(int value)
Updates the item count.
Clamps focus to valid range.
Implementation
set itemCount(int value) {
_itemCount = max(0, value);
if (_itemCount == 0) {
_focusedIndex = 0;
} else {
_focusedIndex = _focusedIndex.clamp(0, _itemCount - 1);
}
}