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Fix crash when trying to scroll on empty results

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afonsofrancof 2024-07-30 22:49:51 +01:00
parent e85cc943b3
commit b7c2ecedd9
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1 changed files with 17 additions and 11 deletions
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12
src/list.rs
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@ -242,6 +242,8 @@ impl CustomList {
pub fn reset_selection(&mut self) {
if !self.filtered_items.is_empty() {
self.list_state.select(Some(0));
} else {
self.list_state.select(None);
}
}
@ -317,8 +319,11 @@ impl CustomList {
}
fn try_scroll_up(&mut self) {
self.list_state
.select(Some(self.list_state.selected().unwrap().saturating_sub(1)));
if let Some(selected) = self.list_state.selected() {
if selected > 0 {
self.list_state.select(Some(selected.saturating_sub(1)));
}
}
}
fn try_scroll_down(&mut self) {
@ -332,7 +337,7 @@ impl CustomList {
self.filtered_items.len()
};
let curr_selection = self.list_state.selected().unwrap();
if let Some(curr_selection) = self.list_state.selected() {
if self.at_root() {
self.list_state
.select(Some((curr_selection + 1).min(count - 1)));
@ -343,6 +348,7 @@ impl CustomList {
.select(Some((curr_selection + 1).min(count)));
}
}
}
/// Scroll the preview window down
fn scroll_preview_window_down(&mut self) {