From 579030db36abecd812795e14b6f517f26846ed56 Mon Sep 17 00:00:00 2001
From: KtorZ <matthias.benkort@gmail.com>
Date: Sat, 17 Dec 2022 12:13:51 +0100
Subject: [PATCH] Highlight current module in the sidebar.

---
 crates/project/src/docs.rs             | 15 +++++++++++++++
 crates/project/templates/_layout.html  |  8 +++++++-
 crates/project/templates/css/index.css | 11 +++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/crates/project/src/docs.rs b/crates/project/src/docs.rs
index 3ab8c46b..a030ff7a 100644
--- a/crates/project/src/docs.rs
+++ b/crates/project/src/docs.rs
@@ -46,6 +46,15 @@ struct ModuleTemplate<'a> {
     timestamp: String,
 }
 
+impl<'a> ModuleTemplate<'a> {
+    pub fn is_current_module(&self, module: &DocLink) -> bool {
+        match module.path.split(".html").next() {
+            None => false,
+            Some(name) => self.module_name == name,
+        }
+    }
+}
+
 #[derive(Template)]
 #[template(path = "page.html")]
 struct PageTemplate<'a> {
@@ -61,6 +70,12 @@ struct PageTemplate<'a> {
     timestamp: &'a str,
 }
 
+impl<'a> PageTemplate<'a> {
+    pub fn is_current_module(&self, _module: &DocLink) -> bool {
+        false
+    }
+}
+
 #[derive(PartialEq, Eq, PartialOrd, Ord, Clone)]
 struct DocLink {
     name: String,
diff --git a/crates/project/templates/_layout.html b/crates/project/templates/_layout.html
index 8f243315..f8c8611e 100644
--- a/crates/project/templates/_layout.html
+++ b/crates/project/templates/_layout.html
@@ -187,7 +187,13 @@
 	{% endif %}
         <ul>
         {% for module in modules %}
-          <li><a href="{{ breadcrumbs }}/{{ module.path }}">{{ module.name }}</a></li>
+	  <li><a href="{{ breadcrumbs }}/{{ module.path }}">
+	  {% if self.is_current_module(module) %}
+	  <strong>{{ module.name }}</strong>
+	  {% else %}
+	  {{ module.name }}
+	  {% endif %}
+	  </a></li>
         {% endfor %}
         </ul>
 
diff --git a/crates/project/templates/css/index.css b/crates/project/templates/css/index.css
index ce9158d0..2b2c42fc 100644
--- a/crates/project/templates/css/index.css
+++ b/crates/project/templates/css/index.css
@@ -324,6 +324,17 @@ p code {
   margin-bottom: 4px;
 }
 
+.sidebar ul li a > strong {
+  font-weight: 900;
+  color: var(--color-link);
+}
+
+.sidebar ul li a > strong::before {
+  font-size: 0.75em;
+  content: 'ᐅ ';
+  padding-right: 0.1rem;
+}
+
 .sidebar .sidebar-toggle {
   color: var(--color-link);
   font-size: calc(0.8 * var(--sidebar-toggle-size));