KeyNavGoogleResults

Keyboard shortcuts for Google search: numbers (1-0) open results in background tabs (Shift for foreground tab, Alt for current tab), Left/Right arrows to navigate pages

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @license MIT
// @name         KeyNavGoogleResults
// @namespace    http://tampermonkey.net/
// @version      1.1
// @description  Keyboard shortcuts for Google search: numbers (1-0) open results in background tabs (Shift for foreground tab, Alt for current tab), Left/Right arrows to navigate pages
// @author       aceitw
// @match        https://www.google.com/search*
// @match        https://google.com/search*
// @grant        GM_openInTab
// @grant        window.focus
// @noframes
// ==/UserScript==

(function () {
  'use strict';

  const STYLES = {
    indicatorBg: '#f1f3f4',
    indicatorText: '#202124',
    indicatorSize: '20px',
    fontSize: '12px',
    borderColor: '#5f6368',
    shadow: '0 1px 2px rgba(0, 0, 0, 0.2)',
  };

  let isProcessing = false;

  function getNumberKey(e) {
    const code = e.which || e.keyCode;
    if (code >= 48 && code <= 57) return code === 48 ? 0 : code - 48;
    if (code >= 96 && code <= 105) return code - 96;
    return null;
  }

  function addNumberIndicators() {
    if (isProcessing) return;
    isProcessing = true;

    document.querySelectorAll('.search-result-indicator').forEach(el => el.remove());

    const results = Array.from(document.querySelectorAll('div.MjjYud')).filter(el =>
      el.querySelector('a > h3')
    );

    results.forEach((result, index) => {
      if (index < 10) {
        const title = result.querySelector('a > h3');
        if (title && !title.querySelector('.search-result-indicator')) {
          const indicator = document.createElement('span');
          indicator.textContent = (index + 1) % 10;
          indicator.className = 'search-result-indicator';
          indicator.style.cssText = `
            display: inline-block;
            width: ${STYLES.indicatorSize};
            height: ${STYLES.indicatorSize};
            background-color: ${STYLES.indicatorBg};
            color: ${STYLES.indicatorText};
            border: 2px solid ${STYLES.borderColor};
            border-radius: 50%;
            text-align: center;
            line-height: ${STYLES.indicatorSize};
            margin-right: 8px;
            font-size: ${STYLES.fontSize};
            font-weight: bold;
            position: absolute;
            left: -32px;
            box-shadow: ${STYLES.shadow};
          `;
          title.style.position = 'relative';
          title.prepend(indicator);
        }
      }
    });

    isProcessing = false;
  }

  function openUrl(url, { active = false, currentTab = false } = {}) {
    try {
      if (currentTab) {
        window.location.href = url;
      } else if (typeof GM_openInTab !== 'undefined') {
        GM_openInTab(url, { active });
      } else {
        window.open(url, '_blank');
        if (!active) setTimeout(() => window.focus(), 0);
      }
    } catch (err) {
      console.error('openUrl error:', err);
    }
  }

  function updatePageIndicator() {
    let indicator = document.getElementById('google-results-page-indicator');
    if (!indicator) {
      indicator = document.createElement('div');
      indicator.id = 'google-results-page-indicator';
      indicator.style.cssText = `
        position: fixed;
        bottom: 20px;
        left: 20px;
        z-index: 1000;
        display: flex;
        align-items: center;
        gap: 8px;
        background: ${STYLES.indicatorBg};
        padding: 4px 12px;
        border-radius: 12px;
        font-size: ${STYLES.fontSize};
        font-weight: bold;
        color: ${STYLES.indicatorText};
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
      `;
      document.body.appendChild(indicator);
    }
    const start = new URLSearchParams(location.search).get('start') || '0';
    const currentPage = Math.floor(parseInt(start, 10) / 10) + 1;
    indicator.textContent = `Page ${currentPage}`;
  }

  function navigatePage(direction) {
    const next = document.querySelector('#pnnext');
    const prev = document.querySelector('#pnprev');
    if (direction === 'next' && next) next.click();
    if (direction === 'previous' && prev) prev.click();
    setTimeout(updatePageIndicator, 200);
  }

  function handleKeyPress(e) {
    if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;

    const numberKey = getNumberKey(e);
    if (numberKey !== null && !e.ctrlKey && !e.metaKey) {
      e.preventDefault();
      const results = Array.from(document.querySelectorAll('div.MjjYud')).filter(el =>
        el.querySelector('a > h3')
      );
      const keyNum = numberKey === 0 ? 9 : numberKey - 1;
      const result = results[keyNum];
      if (result) {
        const link = result.querySelector('a');
        if (link && link.href) {
          openUrl(link.href, {
            active: e.shiftKey,
            currentTab: e.altKey,
          });
        }
      }
      return;
    }

    if (e.code === 'ArrowRight' || e.code === 'ArrowLeft') {
      e.preventDefault();
      navigatePage(e.code === 'ArrowRight' ? 'next' : 'previous');
    }
  }

  function debounce(func, wait) {
    let timeout;
    return function (...args) {
      clearTimeout(timeout);
      timeout = setTimeout(() => func.apply(this, args), wait);
    };
  }

  function init() {
    addNumberIndicators();
    updatePageIndicator();
    document.addEventListener('keydown', handleKeyPress);

    const observer = new MutationObserver(() => {
      debounce(addNumberIndicators, 250)();
    });

    const container = document.querySelector('#search');
    if (container) {
      observer.observe(container, { childList: true, subtree: true });
    }
  }

  if (document.readyState === 'loading') {
    document.addEventListener('DOMContentLoaded', init);
  } else {
    init();
  }
})();