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Better checks for mouse events on SelectView

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This commit is contained in:
Alexandre Bury 2018-03-15 09:36:15 -07:00
parent 1a36f58f72
commit 1deee26970
1 changed files with 14 additions and 2 deletions
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16
src/views/select_view.rs
View File

@ -319,7 +319,14 @@ impl<T: 'static> SelectView<T> {
/// Moves the selection to the given position.
pub fn set_selection(&mut self, i: usize) {
// TODO: Check if `i > self.len()` ?
// TODO: Check if `i >= self.len()` ?
// assert!(i < self.len(), "SelectView: trying to select out-of-bound");
// Or just cap the ID?
let i = if self.len() == 0 {
0
} else {
min(i, self.len() - 1)
};
self.focus.set(i);
self.scrollbase.scroll_to(i);
}
@ -430,7 +437,11 @@ impl<T: 'static> SelectView<T> {
self.last_size.saturating_sub(scrollbar_size);
if position < clickable_size {
fix_scroll = false;
self.focus.set(position.y + self.scrollbase.start_line);
let focus = position.y + self.scrollbase.start_line;
if focus < self.len() {
// Only select actual items
self.focus.set(focus);
}
}
},
Event::Mouse {
@ -501,6 +512,7 @@ impl<T: 'static> SelectView<T> {
let on_submit = self.on_submit.as_ref().cloned();
let value = Rc::clone(&item.value);
tree.add_leaf(item.label.clone(), move |s| {
// TODO: What if an item was removed in the meantime?
focus.set(i);
if let Some(ref on_submit) = on_submit {
on_submit(s, &value);