Set run button transparent instead of invisible

src/librustdoc/html/highlight.rs

@@ -33,7 +33,8 @@ use syntax::parse;
 use syntax_pos::Span;
 
 /// Highlights `src`, returning the HTML output.
-pub fn render_with_highlighting(src: &str, class: Option<&str>, id: Option<&str>) -> String {
+pub fn render_with_highlighting(src: &str, class: Option<&str>, id: Option<&str>,
+ extension: Option<&str>) -> String {
  debug!("highlighting: ================\n{}\n==============", src);
  let sess = parse::ParseSess::new();
  let fm = sess.codemap().new_filemap("<stdin>".to_string(), None, src.to_string());
@@ -47,6 +48,9 @@ pub fn render_with_highlighting(src: &str, class: Option<&str>, id: Option<&str>
  return format!("<pre>{}</pre>", src);
  }
 
+ if let Some(extension) = extension {
+ write!(out, "{}", extension).unwrap();
+ }
  write_footer(&mut out).unwrap();
  String::from_utf8_lossy(&out[..]).into_owned()
 }

src/librustdoc/html/markdown.rs

@@ -262,9 +262,11 @@ pub fn render(w: &mut fmt::Formatter, s: &str, print_toc: bool) -> fmt::Result {
  &Default::default());
  s.push_str(&format!("<span class='rusttest'>{}</span>", Escape(&test)));
  });
- s.push_str(&highlight::render_with_highlighting(&text,
- Some("rust-example-rendered"),
- None));
+ s.push_str(&highlight::render_with_highlighting(
+ &text,
+ Some("rust-example-rendered"),
+ None,
+ Some("<a class='test-arrow' target='_blank' href=''>Run</a>")));
  let output = CString::new(s).unwrap();
  hoedown_buffer_puts(ob, output.as_ptr());
  })

src/librustdoc/html/render.rs

@@ -2909,7 +2909,7 @@ impl<'a> fmt::Display for Source<'a> {
  write!(fmt, "<span id=\"{0}\">{0:1$}</span>\n", i, cols)?;
  }
  write!(fmt, "</pre>")?;
- write!(fmt, "{}", highlight::render_with_highlighting(s, None, None))?;
+ write!(fmt, "{}", highlight::render_with_highlighting(s, None, None, None))?;
  Ok(())
  }
 }
@@ -2918,6 +2918,7 @@ fn item_macro(w: &mut fmt::Formatter, cx: &Context, it: &clean::Item,
  t: &clean::Macro) -> fmt::Result {
  w.write_str(&highlight::render_with_highlighting(&t.source,
  Some("macro"),
+ None,
  None))?;
  render_stability_since_raw(w, it.stable_since(), None)?;
  document(w, cx, it)

src/librustdoc/html/static/playpen.js

@@ -27,9 +27,7 @@ document.addEventListener('DOMContentLoaded', function() {
  return;
  }
 
- var a = document.createElement('a');
- a.setAttribute('class', 'test-arrow');
- a.textContent = 'Run';
+ var a = el.querySelectorAll('a.test-arrow')[0];
 
  var code = el.previousElementSibling.textContent;
 
@@ -40,17 +38,6 @@ document.addEventListener('DOMContentLoaded', function() {
 
  a.setAttribute('href', window.playgroundUrl + '?code=' +
  encodeURIComponent(code) + channel);
- a.setAttribute('target', '_blank');
-
- el.appendChild(a);
- };
-
- el.onmouseout = function(e) {
- if (el.contains(e.relatedTarget)) {
- return;
- }
-
- el.removeChild(el.querySelectorAll('a.test-arrow')[0]);
  };
  });
 });

src/librustdoc/html/static/rustdoc.css

@@ -568,15 +568,18 @@ pre.rust .lifetime { color: #B76514; }
 .rusttest { display: none; }
 pre.rust { position: relative; }
 a.test-arrow {
+ background-color: rgba(78, 139, 202, 0.2);
  display: inline-block;
  position: absolute;
- background-color: #4e8bca;
  padding: 5px 10px 5px 10px;
  border-radius: 5px;
  font-size: 130%;
  top: 5px;
  right: 5px;
 }
+a.test-arrow:hover{
+ background-color: #4e8bca;
+}
 
 .section-header:hover a:after {
  content: '\2002\00a7\2002';