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Replace SelectView::focus
with selected_id
Returns None if the list is empty. Also add `SelectView::len`
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@ -240,7 +240,22 @@ impl<T: 'static> SelectView<T> {
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}
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/// Returns the id of the item currently selected.
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pub fn focus(&self) -> usize {
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///
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/// Returns `None` if the list is empty.
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pub fn selected_id(&self) -> Option<usize> {
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if self.items.is_empty() {
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None
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} else {
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Some(self.focus())
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}
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}
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/// Returns the number of items in this list.
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pub fn len(&self) -> usize {
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self.items.len()
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}
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fn focus(&self) -> usize {
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self.focus.get()
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}
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