From 906259cc41cc251dbbe1802e3a5e54a566a7d8d2 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Wed, 20 Jul 2022 17:03:19 +0900
Subject: fix: Indent levels could bleed over on the left edge

Fixes #3087
Refs #3105
    #	modified:   theme.toml
---
 helix-term/src/ui/editor.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'helix-term/src')

diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 849f0b0b..6ed9799b 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -421,7 +421,11 @@ impl EditorView {
                 return;
             }
 
-            for i in 0..(indent_level / tab_width as u16) {
+            let starting_indent = (offset.col / tab_width) as u16;
+            // TODO: limit to a max indent level too. It doesn't cause visual artifacts but it would avoid some
+            // extra loops if the code is deeply nested.
+
+            for i in starting_indent..(indent_level / tab_width as u16) {
                 surface.set_string(
                     viewport.x + (i * tab_width as u16) - offset.col as u16,
                     viewport.y + line,
-- 
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