From 8446fe6de52fa68077d23d39f728f79a29b52f00 Mon Sep 17 00:00:00 2001
From: Héctor Ramón Jiménez <hector@hecrj.dev>
Date: Mon, 18 Sep 2023 14:38:54 +0200
Subject: Implement theme selector in `editor` example

---
 core/src/text/highlighter.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'core/src/text')

diff --git a/core/src/text/highlighter.rs b/core/src/text/highlighter.rs
index a929826f..b462d083 100644
--- a/core/src/text/highlighter.rs
+++ b/core/src/text/highlighter.rs
@@ -1,10 +1,9 @@
 use crate::Color;
 
-use std::hash::Hash;
 use std::ops::Range;
 
 pub trait Highlighter: 'static {
-    type Settings: Hash;
+    type Settings: PartialEq + Clone;
     type Highlight;
 
     type Iterator<'a>: Iterator<Item = (Range<usize>, Self::Highlight)>
@@ -13,6 +12,8 @@ pub trait Highlighter: 'static {
 
     fn new(settings: &Self::Settings) -> Self;
 
+    fn update(&mut self, new_settings: &Self::Settings);
+
     fn change_line(&mut self, line: usize);
 
     fn highlight_line(&mut self, line: &str) -> Self::Iterator<'_>;
@@ -38,6 +39,8 @@ impl Highlighter for PlainText {
         Self
     }
 
+    fn update(&mut self, _new_settings: &Self::Settings) {}
+
     fn change_line(&mut self, _line: usize) {}
 
     fn highlight_line(&mut self, _line: &str) -> Self::Iterator<'_> {
-- 
cgit