Fix crash when too many completions available

Refs #81
2021-06-08 21:58:26 +09:00 · 2021-06-08 21:58:26 +09:00 · 83723957fe
commit 83723957fe
parent ae51065213
1 changed files with 4 additions and 1 deletions
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@ -127,7 +127,10 @@ impl Prompt {
        // completion

        let max_col = std::cmp::max(1, area.width / BASE_WIDTH);
-        let height = ((self.completion.len() as u16 + max_col - 1) / max_col);
+        let height = ((self.completion.len() as u16 + max_col - 1) / max_col)
+            .min(10) // at most 10 rows (or less)
+            .min(area.height);
+
        let completion_area = Rect::new(
            area.x,
            (area.height - height).saturating_sub(1),