From 4edfac21f676dcedf39390db989a0327196b31a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Hrastnik?= <blaz@mxxn.io>
Date: Sun, 27 Jun 2021 22:50:42 +0900
Subject: [PATCH] Allocate the tab stop only once

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

diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 1211fc65c..753af2cbe 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -139,6 +139,7 @@ impl EditorView {
         let mut visual_x = 0u16;
         let mut line = 0u16;
         let tab_width = doc.tab_width();
+        let tab = " ".repeat(tab_width);
 
         let highlights = highlights.into_iter().map(|event| match event.unwrap() {
             // convert byte offsets to char offset
@@ -235,7 +236,6 @@ impl EditorView {
                     spans.pop();
                 }
                 HighlightEvent::Source { start, end } => {
-                    // TODO: filter out spans out of viewport for now..
                     let text = text.slice(start..end);
 
                     use helix_core::graphemes::{grapheme_width, RopeGraphemes};
@@ -285,7 +285,7 @@ impl EditorView {
                             surface.set_string(
                                 viewport.x + visual_x - view.first_col as u16,
                                 viewport.y + line,
-                                " ".repeat(tab_width),
+                                &tab,
                                 style,
                             );