rustdoc: add private items toggle

src/librustdoc/html/render/print_item.rs

@@ -479,9 +479,9 @@ fn item_module(cx: &Context<'_>, item: &clean::Item, items: &[clean::Item]) -> i
                         Some(ty::Visibility::Restricted(_)) => {
                             if myitem.is_doc_hidden() {
                                 // Don't separate with a space when there are two of them
-                                "<span title=\"Restricted Visibility\">&nbsp;🔒</span><span title=\"Hidden item\">👻</span> "
+                                "<span class=\"priv-item\" title=\"Restricted Visibility\">&nbsp;🔒</span><span title=\"Hidden item\">👻</span> "
                             } else {
-                                "<span title=\"Restricted Visibility\">&nbsp;🔒</span> "
+                                "<span class=\"priv-item\" title=\"Restricted Visibility\">&nbsp;🔒</span> "
                             }
                         }
                         _ if myitem.is_doc_hidden() => {

src/librustdoc/html/static/css/rustdoc.css

@@ -2891,6 +2891,11 @@ in src-script.js and main.js
 	margin-bottom: 0;
 }
 
+.hide-priv dt:has(.priv-item),
+.hide-priv dt:has(.priv-item) + dd {
+	display: none;
+}
+
 /* End: styles for --scrape-examples feature */
 
 /* Begin: styles for themes

src/librustdoc/html/static/js/settings.js

@@ -90,6 +90,8 @@
                     removeClass(document.documentElement, "word-wrap-source-code");
                 }
                 break;
+            case "show-private-items":
+                showPrivateItems(value === true);
         }
     }
 
@@ -286,6 +288,11 @@
                 "js_name": "word-wrap-source-code",
                 "default": false,
             },
+            {
+                "name": "Show private items",
+                "js_name": "show-private-items",
+                "default": false,
+            },
         ];
 
         // Then we build the DOM.
@@ -343,6 +350,19 @@
         }
     }
 
+    /**
+     * @param {boolean} value
+     */
+    function showPrivateItems(value) {
+        /*document.querySelectorAll("dt:has([title='Restricted Visibility'])").forEach(x => x.hidden = !value);
+         */
+        if (value) {
+            removeClass(document.documentElement, "hide-priv");
+        } else {
+            addClass(document.documentElement, "hide-priv");
+        }
+    }
+
     if (!isSettingsPage) {
         // We replace the existing "onclick" callback.
         // These elements must exist, as (outside of the settings page)

src/librustdoc/html/static/js/storage.js

@@ -333,6 +333,9 @@ if (getSettingValue("sans-serif-fonts") === "true") {
 if (getSettingValue("word-wrap-source-code") === "true") {
     addClass(document.documentElement, "word-wrap-source-code");
 }
+if (getSettingValue("show-private-items") !== "true") {
+    addClass(document.documentElement, "hide-priv");
+}
 function updateSidebarWidth() {
     const desktopSidebarWidth = getSettingValue("desktop-sidebar-width");
     if (desktopSidebarWidth && desktopSidebarWidth !== "null") {