diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css
index cb8b82e8bde0a..aabbd21d70261 100644
--- a/src/librustdoc/html/static/css/rustdoc.css
+++ b/src/librustdoc/html/static/css/rustdoc.css
@@ -16,6 +16,28 @@
--src-sidebar-width: 300px;
--desktop-sidebar-z-index: 100;
--sidebar-elems-left-padding: 24px;
+ /* clipboard */
+ --clipboard-image: url('data:image/svg+xml,');
+ --clipboard-image-big: url('data:image/svg+xml,');
+ /* Checkmark */
+ --checkmark-image: url('data:image/svg+xml,');
}
/* See FiraSans-LICENSE.txt for the Fira Sans license. */
@@ -1423,15 +1445,17 @@ documentation. */
top: 20px;
}
-a.test-arrow {
+.example-wrap > a.test-arrow, .example-wrap .button-holder {
visibility: hidden;
position: absolute;
- padding: 5px 10px 5px 10px;
- border-radius: 5px;
- font-size: 1.375rem;
top: 5px;
right: 5px;
z-index: 1;
+}
+a.test-arrow {
+ padding: 5px 10px 5px 10px;
+ border-radius: 5px;
+ font-size: 1.375rem;
color: var(--test-arrow-color);
background-color: var(--test-arrow-background-color);
}
@@ -1439,9 +1463,41 @@ a.test-arrow:hover {
color: var(--test-arrow-hover-color);
background-color: var(--test-arrow-hover-background-color);
}
-.example-wrap:hover .test-arrow {
+.example-wrap .button-holder {
+ display: flex;
+}
+.example-wrap:hover > .test-arrow {
+ padding: 3px 10px;
+}
+.example-wrap:hover > .test-arrow, .example-wrap:hover > .button-holder {
visibility: visible;
}
+.example-wrap .button-holder .copy-button {
+ color: var(--copy-path-button-color);
+ background: var(--main-background-color);
+ height: 43px;
+ width: 40px;
+ margin-left: 5px;
+ padding: 2px 0 0 4px;
+ border: 0;
+ cursor: pointer;
+ border-radius: 5px;
+}
+.example-wrap .button-holder .copy-button.clicked {
+ padding-top: 4px;
+}
+.example-wrap .button-holder .copy-button::before {
+ filter: var(--copy-path-img-filter);
+ content: var(--clipboard-image-big);
+ width: 23px;
+ height: 22px;
+}
+.example-wrap .button-holder .copy-button:hover::before {
+ filter: var(--copy-path-img-hover-filter);
+}
+.example-wrap .button-holder .copy-button.clicked::before {
+ content: var(--checkmark-image);
+}
.code-attribute {
font-weight: 300;
@@ -1699,15 +1755,7 @@ a.tooltip:hover::after {
}
#copy-path::before {
filter: var(--copy-path-img-filter);
- /* clipboard */
- content: url('data:image/svg+xml,');
+ content: var(--clipboard-image);
width: 19px;
height: 18px;
}
@@ -1715,11 +1763,7 @@ xmlns="http://www.w3.org/2000/svg" aria-label="Copy to clipboard">\
filter: var(--copy-path-img-hover-filter);
}
#copy-path.clicked::before {
- /* Checkmark */
- content: url('data:image/svg+xml,');
+ content: var(--checkmark-image);
}
@keyframes rotating {
diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js
index 64c356607788c..c2c1c5dd8047b 100644
--- a/src/librustdoc/html/static/js/main.js
+++ b/src/librustdoc/html/static/js/main.js
@@ -1769,9 +1769,37 @@ href="https://doc.rust-lang.org/${channel}/rustdoc/read-documentation/search.htm
}());
// This section handles the copy button that appears next to the path breadcrumbs
+// and the copy buttons on the code examples.
(function() {
- let reset_button_timeout = null;
+ // Common functions to copy buttons.
+ function copyContentToClipboard(content) {
+ const el = document.createElement("textarea");
+ el.value = content;
+ el.setAttribute("readonly", "");
+ // To not make it appear on the screen.
+ el.style.position = "absolute";
+ el.style.left = "-9999px";
+ document.body.appendChild(el);
+ el.select();
+ document.execCommand("copy");
+ document.body.removeChild(el);
+ }
+
+ function copyButtonAnimation(button) {
+ button.classList.add("clicked");
+
+ if (button.reset_button_timeout !== undefined) {
+ window.clearTimeout(button.reset_button_timeout);
+ }
+
+ button.reset_button_timeout = window.setTimeout(() => {
+ button.reset_button_timeout = undefined;
+ button.classList.remove("clicked");
+ }, 1000);
+ }
+
+ // Copy button that appears next to the path breadcrumbs.
const but = document.getElementById("copy-path");
if (!but) {
return;
@@ -1786,29 +1814,49 @@ href="https://doc.rust-lang.org/${channel}/rustdoc/read-documentation/search.htm
}
});
- const el = document.createElement("textarea");
- el.value = path.join("::");
- el.setAttribute("readonly", "");
- // To not make it appear on the screen.
- el.style.position = "absolute";
- el.style.left = "-9999px";
-
- document.body.appendChild(el);
- el.select();
- document.execCommand("copy");
- document.body.removeChild(el);
-
- but.classList.add("clicked");
+ copyContentToClipboard(path.join("::"));
+ copyButtonAnimation(but);
+ };
- if (reset_button_timeout !== null) {
- window.clearTimeout(reset_button_timeout);
+ // Copy buttons on code examples.
+ function copyCode(codeElem) {
+ if (!codeElem) {
+ // Should never happen, but the world is a dark and dangerous place.
+ return;
}
+ copyContentToClipboard(codeElem.textContent);
+ }
- function reset_button() {
- reset_button_timeout = null;
- but.classList.remove("clicked");
+ function addCopyButton(event) {
+ let elem = event.target;
+ while (!hasClass(elem, "example-wrap")) {
+ elem = elem.parentElement;
+ if (elem.tagName === "body" || hasClass(elem, "docblock")) {
+ return;
+ }
+ }
+ // Since the button will be added, no need to keep this listener around.
+ elem.removeEventListener("mouseover", addCopyButton);
+
+ const parent = document.createElement("div");
+ parent.className = "button-holder";
+ const runButton = elem.querySelector(".test-arrow");
+ if (runButton !== null) {
+ // If there is a run button, we move it into the same div.
+ parent.appendChild(runButton);
}
+ elem.appendChild(parent);
+ const copyButton = document.createElement("button");
+ copyButton.className = "copy-button";
+ copyButton.title = "Copy code to clipboard";
+ copyButton.addEventListener("click", () => {
+ copyCode(elem.querySelector("pre > code"));
+ copyButtonAnimation(copyButton);
+ });
+ parent.appendChild(copyButton);
+ }
- reset_button_timeout = window.setTimeout(reset_button, 1000);
- };
+ onEachLazy(document.querySelectorAll(".docblock .example-wrap"), elem => {
+ elem.addEventListener("mouseover", addCopyButton);
+ });
}());