From 375ca93c475732fa71feacb6d7f65ca191dfa170 Mon Sep 17 00:00:00 2001
From: Liigo Zhuang <liigo@qq.com>
Date: Thu, 20 May 2021 14:54:28 +0800
Subject: [PATCH] rustdoc: add tooltips to some buttons

---
 src/librustdoc/html/layout.rs            | 6 +++---
 src/librustdoc/html/render/print_item.rs | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/librustdoc/html/layout.rs b/src/librustdoc/html/layout.rs
index ec04c94dc11..5d6056b0546 100644
--- a/src/librustdoc/html/layout.rs
+++ b/src/librustdoc/html/layout.rs
@@ -87,7 +87,7 @@ impl<'a> Page<'a> {
         {sidebar}\
     </nav>\
     <div class=\"theme-picker\">\
-        <button id=\"theme-picker\" aria-label=\"Pick another theme!\" aria-haspopup=\"menu\">\
+        <button id=\"theme-picker\" aria-label=\"Pick another theme!\" aria-haspopup=\"menu\" title=\"themes\">\
             <img src=\"{static_root_path}brush{suffix}.svg\" \
                  width=\"18\" height=\"18\" \
                  alt=\"Pick another theme!\">\
@@ -105,8 +105,8 @@ impl<'a> Page<'a> {
                            placeholder=\"Click or press ‘S’ to search, ‘?’ for more options…\" \
                            type=\"search\">\
                 </div>\
-                <button type=\"button\" id=\"help-button\">?</button>
-                <a id=\"settings-menu\" href=\"{root_path}settings.html\">\
+                <button type=\"button\" id=\"help-button\" title=\"help\">?</button>
+                <a id=\"settings-menu\" href=\"{root_path}settings.html\" title=\"settings\">\
                     <img src=\"{static_root_path}wheel{suffix}.svg\" \
                          width=\"18\" height=\"18\" \
                          alt=\"Change settings\">\
diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs
index bac9c21f0f3..5799f5859ce 100644
--- a/src/librustdoc/html/render/print_item.rs
+++ b/src/librustdoc/html/render/print_item.rs
@@ -78,7 +78,7 @@ pub(super) fn print_item(cx: &Context<'_>, item: &clean::Item, buf: &mut Buffer,
     write!(buf, "<a class=\"{}\" href=\"\">{}</a>", item.type_(), item.name.as_ref().unwrap());
     write!(
         buf,
-        "<button id=\"copy-path\" onclick=\"copy_path(this)\">\
+        "<button id=\"copy-path\" onclick=\"copy_path(this)\" title=\"copy path\">\
             <img src=\"{static_root_path}clipboard{suffix}.svg\" \
                 width=\"19\" height=\"18\" \
                 alt=\"Copy item import\">\
-- 
2.44.0