From 9706f1121de673950d8e0472062a32f18d527ad2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Hrastnik?= <blaz@mxxn.io>
Date: Wed, 23 Jun 2021 13:13:56 +0900
Subject: [PATCH] Fix small screen panics

---
 helix-term/src/ui/prompt.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 07f360e5d..c40be1a2c 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -279,7 +279,7 @@ impl Prompt {
 
         let height = ((self.completion.len() as u16 + cols - 1) / cols)
             .min(10) // at most 10 rows (or less)
-            .min(area.height);
+            .min(area.height.saturating_sub(1));
 
         let completion_area = Rect::new(
             area.x,
@@ -331,7 +331,7 @@ impl Prompt {
             let viewport = area;
             let area = viewport.intersection(Rect::new(
                 completion_area.x,
-                completion_area.y - 3,
+                completion_area.y.saturating_sub(3),
                 BASE_WIDTH * 3,
                 3,
             ));