From 73c3dd86280e98e11f080123aec47d08f3a76b49 Mon Sep 17 00:00:00 2001
From: Kirill Chibisov <contact@kchibisov.com>
Date: Tue, 8 Feb 2022 20:47:31 +0300
Subject: Add support for drawing undercurls

Fixes #1628.
---
 alacritty_terminal/src/term/mod.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'alacritty_terminal/src/term/mod.rs')

diff --git a/alacritty_terminal/src/term/mod.rs b/alacritty_terminal/src/term/mod.rs
index 50f423e5..4d30602b 100644
--- a/alacritty_terminal/src/term/mod.rs
+++ b/alacritty_terminal/src/term/mod.rs
@@ -1839,16 +1839,18 @@ impl<T: EventListener> Handler for Term<T> {
             Attr::Italic => cursor.template.flags.insert(Flags::ITALIC),
             Attr::CancelItalic => cursor.template.flags.remove(Flags::ITALIC),
             Attr::Underline => {
-                cursor.template.flags.remove(Flags::DOUBLE_UNDERLINE);
+                cursor.template.flags.remove(Flags::ALL_UNDERLINES);
                 cursor.template.flags.insert(Flags::UNDERLINE);
             },
             Attr::DoubleUnderline => {
-                cursor.template.flags.remove(Flags::UNDERLINE);
+                cursor.template.flags.remove(Flags::ALL_UNDERLINES);
                 cursor.template.flags.insert(Flags::DOUBLE_UNDERLINE);
             },
-            Attr::CancelUnderline => {
-                cursor.template.flags.remove(Flags::UNDERLINE | Flags::DOUBLE_UNDERLINE);
+            Attr::Undercurl => {
+                cursor.template.flags.remove(Flags::ALL_UNDERLINES);
+                cursor.template.flags.insert(Flags::UNDERCURL);
             },
+            Attr::CancelUnderline => cursor.template.flags.remove(Flags::ALL_UNDERLINES),
             Attr::Hidden => cursor.template.flags.insert(Flags::HIDDEN),
             Attr::CancelHidden => cursor.template.flags.remove(Flags::HIDDEN),
             Attr::Strike => cursor.template.flags.insert(Flags::STRIKEOUT),
-- 
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