From d2690e551c39d3aa956b979d06c700c1c1826de3 Mon Sep 17 00:00:00 2001
From: Sam Atkins <atkinssj@serenityos.org>
Date: Thu, 21 Oct 2021 21:45:24 +0100
Subject: [PATCH] TextEditor: Add syntax-highlighting for CSS files

---
 Userland/Applications/TextEditor/MainWidget.cpp | 10 ++++++++++
 Userland/Applications/TextEditor/MainWidget.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/Userland/Applications/TextEditor/MainWidget.cpp b/Userland/Applications/TextEditor/MainWidget.cpp
index 31263affb8..76b638b755 100644
--- a/Userland/Applications/TextEditor/MainWidget.cpp
+++ b/Userland/Applications/TextEditor/MainWidget.cpp
@@ -37,6 +37,7 @@
 #include <LibJS/SyntaxHighlighter.h>
 #include <LibMarkdown/Document.h>
 #include <LibSQL/AST/SyntaxHighlighter.h>
+#include <LibWeb/CSS/SyntaxHighlighter/SyntaxHighlighter.h>
 #include <LibWeb/HTML/SyntaxHighlighter/SyntaxHighlighter.h>
 #include <LibWeb/OutOfProcessWebView.h>
 #include <Shell/SyntaxHighlighter.h>
@@ -567,6 +568,13 @@ void MainWidget::initialize_menubar(GUI::Window& window)
     syntax_actions.add_action(*m_js_highlight);
     syntax_menu.add_action(*m_js_highlight);
 
+    m_css_highlight = GUI::Action::create_checkable("CSS", [&](auto&) {
+        m_editor->set_syntax_highlighter(make<Web::CSS::SyntaxHighlighter>());
+        m_editor->update();
+    });
+    syntax_actions.add_action(*m_css_highlight);
+    syntax_menu.add_action(*m_css_highlight);
+
     m_html_highlight = GUI::Action::create_checkable("&HTML File", [&](auto&) {
         m_editor->set_syntax_highlighter(make<Web::HTML::SyntaxHighlighter>());
         m_editor->update();
@@ -637,6 +645,8 @@ void MainWidget::set_path(StringView const& path)
         m_sql_highlight->activate();
     } else if (m_extension == "html" || m_extension == "htm") {
         m_html_highlight->activate();
+    } else if (m_extension == "css") {
+        m_css_highlight->activate();
     } else {
         m_plain_text_highlight->activate();
     }
diff --git a/Userland/Applications/TextEditor/MainWidget.h b/Userland/Applications/TextEditor/MainWidget.h
index 925dda707c..9292ca3ebd 100644
--- a/Userland/Applications/TextEditor/MainWidget.h
+++ b/Userland/Applications/TextEditor/MainWidget.h
@@ -116,6 +116,7 @@ private:
     GUI::ActionGroup syntax_actions;
     RefPtr<GUI::Action> m_plain_text_highlight;
     RefPtr<GUI::Action> m_cpp_highlight;
+    RefPtr<GUI::Action> m_css_highlight;
     RefPtr<GUI::Action> m_js_highlight;
     RefPtr<GUI::Action> m_html_highlight;
     RefPtr<GUI::Action> m_gml_highlight;