feat: support pageup/pagedown to navigate search results (#920)

* feat: support pageup/pagedown to navigate search results

* docs: add release note

docs/content.en/docs/release-notes/_index.md

@@ -16,6 +16,7 @@ Information about release notes of Coco App is provided here.
 feat: support switching groups via keyboard shortcuts #911
 feat: support opening logs from about page #915
 feat: support moving cursor with home and end keys #918
+feat: support pageup/pagedown to navigate search results #920
 
 ### 🐛 Bug fix
 

src/components/Common/Scrollbar.tsx

@@ -0,0 +1,47 @@
+import { useEventListener } from "ahooks";
+import clsx from "clsx";
+import {
+  forwardRef,
+  HTMLAttributes,
+  useImperativeHandle,
+  useRef,
+} from "react";
+
+const Scrollbar = forwardRef<HTMLDivElement, HTMLAttributes<HTMLDivElement>>(
+  (props, ref) => {
+    const { children, className, ...rest } = props;
+    const containerRef = useRef<HTMLDivElement>(null);
+
+    useImperativeHandle(ref, () => containerRef.current as HTMLDivElement);
+
+    useEventListener("keydown", (event) => {
+      const { key } = event;
+
+      if (key !== "PageDown" && key !== "PageUp") return;
+
+      if (!containerRef.current) return;
+
+      event.preventDefault();
+
+      const delta = key === "PageDown" ? 1 : -1;
+      const el = containerRef.current;
+
+      el.scrollBy({
+        top: delta * el.clientHeight * 0.9,
+        behavior: "smooth",
+      });
+    });
+
+    return (
+      <div
+        {...rest}
+        ref={containerRef}
+        className={clsx("custom-scrollbar", className)}
+      >
+        {children}
+      </div>
+    );
+  }
+);
+
+export default Scrollbar;

src/components/Search/DocumentList.tsx

@@ -1,6 +1,9 @@
 import React, { useState, useRef, useEffect, useCallback } from "react";
 import { useInfiniteScroll } from "ahooks";
 import { useTranslation } from "react-i18next";
+import { Data } from "ahooks/lib/useInfiniteScroll/types";
+import { nanoid } from "nanoid";
+import { isNil } from "lodash-es";
 
 import { useSearchStore } from "@/stores/searchStore";
 import { SearchHeader } from "./SearchHeader";
@@ -11,9 +14,7 @@ import { Get } from "@/api/axiosRequest";
 import { useAppStore } from "@/stores/appStore";
 import { useConnectStore } from "@/stores/connectStore";
 import SearchEmpty from "../Common/SearchEmpty";
-import { Data } from "ahooks/lib/useInfiniteScroll/types";
-import { nanoid } from "nanoid";
-import { isNil } from "lodash-es";
+import Scrollbar from "@/components/Common/Scrollbar";
 
 interface DocumentListProps {
   onSelectDocument: (id: string) => void;
@@ -297,8 +298,8 @@ export const DocumentList: React.FC<DocumentListProps> = ({
         />
       </div>
 
-      <div
-        className="flex-1 overflow-auto custom-scrollbar pr-0.5"
+      <Scrollbar
+        className="flex-1 overflow-auto pr-0.5"
         ref={containerRef}
       >
         {data?.list && data.list.length > 0 && (
@@ -334,7 +335,7 @@ export const DocumentList: React.FC<DocumentListProps> = ({
             <SearchEmpty />
           </div>
         )}
-      </div>
+      </Scrollbar>
     </div>
   );
 };

src/components/Search/DropdownList.tsx

@@ -16,6 +16,7 @@ import { useKeyboardNavigation } from "@/hooks/useKeyboardNavigation";
 import { SearchSource } from "./SearchSource";
 import DropdownListItem from "./DropdownListItem";
 import platformAdapter from "@/utils/platformAdapter";
+import Scrollbar from "@/components/Common/Scrollbar";
 
 type ISearchData = Record<string, QueryHits[]>;
 
@@ -149,10 +150,10 @@ function DropdownList({
   });
 
   return (
-    <div
+    <Scrollbar
       ref={containerRef}
       data-tauri-drag-region
-      className="h-full w-full p-2 flex flex-col overflow-y-auto custom-scrollbar focus:outline-none"
+      className="h-full w-full p-2 flex flex-col overflow-y-auto focus:outline-none"
       tabIndex={0}
       role="listbox"
       aria-label={t("search.header.results")}
@@ -189,7 +190,7 @@ function DropdownList({
           })}
         </div>
       ))}
-    </div>
+    </Scrollbar>
   );
 }