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Fix up/down index overflow

This commit is contained in:
chmanie 2023-05-27 22:14:41 +02:00
parent ca882a6226
commit 88369b9b24
1 changed files with 4 additions and 3 deletions
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7
cbd-tui/src/main.rs
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@ -71,7 +71,7 @@ trait ListView {
return;
}
if let Some(i) = self.selected() {
let next = if i < self.get_size() - 15 {
let next = if i < self.get_size().saturating_sub(15) {
i + 15
} else {
self.get_size() - 1
@ -87,7 +87,7 @@ trait ListView {
return;
}
if let Some(i) = self.selected() {
let prev = if i < 15 { 0 } else { i - 15 };
let prev = if i < 15 { 0 } else { i.saturating_sub(15) };
self.select(Some(prev));
} else {
self.select(Some(0));
@ -446,7 +446,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
tokio::task::spawn_blocking(|| {
run_ui(ui_tx, ui_rx);
}).await;
})
.await;
Ok(())
}