From 2d629a880cddec4938750b13bcd9926631c1db94 Mon Sep 17 00:00:00 2001 From: wojciechkepka Date: Sat, 19 Jun 2021 21:33:20 +0200 Subject: [PATCH] Fix overflow --- helix-term/src/ui/editor.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs index 3dc43d3fc..7f0d06e98 100644 --- a/helix-term/src/ui/editor.rs +++ b/helix-term/src/ui/editor.rs @@ -129,7 +129,7 @@ impl EditorView { })], }; let mut spans = Vec::new(); - let mut visual_x = 0; + let mut visual_x = 0u16; let mut line = 0u16; let tab_width = doc.tab_width(); @@ -185,7 +185,7 @@ impl EditorView { break 'outer; } } else if grapheme == "\t" { - visual_x += (tab_width as u16); + visual_x = visual_x.saturating_add(tab_width as u16); } else { let out_of_bounds = visual_x < view.first_col as u16 || visual_x >= viewport.width + view.first_col as u16; @@ -197,7 +197,7 @@ impl EditorView { if out_of_bounds { // if we're offscreen just keep going until we hit a new line - visual_x += width; + visual_x = visual_x.saturating_add(width); continue; }