rustdoc: fix bugs in main.js popover help and settings

src/librustdoc/html/static/js/main.js

@@ -412,14 +412,15 @@ function loadCss(cssFileName) {
         window.hidePopoverMenus();
     }
 
-    const disableShortcuts = getSettingValue("disable-shortcuts") === "true";
     function handleShortcut(ev) {
         // Don't interfere with browser shortcuts
+        const disableShortcuts = getSettingValue("disable-shortcuts") === "true";
         if (ev.ctrlKey || ev.altKey || ev.metaKey || disableShortcuts) {
             return;
         }
 
-        if (document.activeElement.tagName === "INPUT") {
+        if (document.activeElement.tagName === "INPUT" &&
+            document.activeElement.type !== "checkbox") {
             switch (getVirtualKey(ev)) {
             case "Escape":
                 handleEscape(ev);
@@ -926,6 +927,7 @@ function loadCss(cssFileName) {
     function showHelp() {
         const menu = getHelpMenu(true);
         if (menu.style.display === "none") {
+            window.hidePopoverMenus();
             menu.style.display = "";
         }
     }
@@ -939,6 +941,8 @@ function loadCss(cssFileName) {
         const shouldShowHelp = menu.style.display === "none";
         if (shouldShowHelp) {
             showHelp();
+        } else {
+            window.hidePopoverMenus();
         }
     });
 

src/test/rustdoc-gui/pocket-menu.goml

@@ -24,6 +24,11 @@ click: "#help-button"
 assert-css: ("#help-button .popover", {"display": "block"})
 assert-css: ("#settings-menu .popover", {"display": "none"})
 
+// Now verify that clicking the help menu again closes it.
+click: "#help-button"
+assert-css: ("#help-button .popover", {"display": "none"})
+assert-css: ("#settings-menu .popover", {"display": "none"})
+
 // We check the borders color now:
 
 // Ayu theme

src/test/rustdoc-gui/settings.goml

@@ -121,6 +121,20 @@ local-storage: {"rustdoc-disable-shortcuts": "false"}
 click: ".setting-line:last-child .toggle .label"
 assert-local-storage: {"rustdoc-disable-shortcuts": "true"}
 
+// Make sure that "Disable keyboard shortcuts" actually took effect.
+press-key: "Escape"
+press-key: "?"
+assert-false: "#help-button .popover"
+wait-for-css: ("#settings-menu .popover", {"display": "block"})
+
+// Now turn keyboard shortcuts back on, and see if they work.
+click: ".setting-line:last-child .toggle .label"
+assert-local-storage: {"rustdoc-disable-shortcuts": "false"}
+press-key: "Escape"
+press-key: "?"
+wait-for-css: ("#help-button .popover", {"display": "block"})
+assert-css: ("#settings-menu .popover", {"display": "none"})
+
 // Now we go to the settings page to check that the CSS is loaded as expected.
 goto: file://|DOC_PATH|/settings.html
 wait-for: "#settings"