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Auto Copy Selected Text

Automatically copy selected text to clipboard and keep the selection

当前为 2024-09-16 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Auto Copy Selected Text
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.4
  5. // @description  Automatically copy selected text to clipboard and keep the selection
  6. // @author       liuweiqing
  7. // @match        *://*/*
  8. // @grant        none
  9. // @license      MIT
  10. // @icon         https://icons.iconarchive.com/icons/gartoon-team/gartoon-places/256/user-desktop-icon.png
  11. // ==/UserScript==
  12.  
  13. (function () {
  14.   ("use strict");
  15.  
  16.   // 监听鼠标松开的事件
  17.   document.addEventListener("mouseup", () => {
  18.     const selection = window.getSelection();
  19.     const selectedText = selection.toString();
  20.  
  21.     if (selectedText) {
  22.       const range = selection.getRangeAt(0);
  23.       if (navigator.clipboard) {
  24.         navigator.clipboard
  25.           .writeText(selectedText)
  26.           .then(() => {
  27.             console.log("Text copied to clipboard:", selectedText);
  28.           })
  29.           .catch((err) => {
  30.             console.error("Failed to copy text to clipboard", err);
  31.           });
  32.       } else {
  33.         const tempElement = document.createElement("textarea");
  34.         tempElement.value = selectedText;
  35.         document.body.appendChild(tempElement);
  36.         tempElement.select();
  37.         try {
  38.           document.execCommand("copy");
  39.           console.log("Text copied to clipboard:", selectedText);
  40.         } catch (err) {
  41.           console.error("Failed to copy text to clipboard", err);
  42.         }
  43.         document.body.removeChild(tempElement);
  44.       }
  45.       selection.removeAllRanges();
  46.       selection.addRange(range);
  47.     }
  48.   });
  49.  
  50.   // 监听鼠标中键点击事件，粘贴剪贴板内容
  51.   document.addEventListener("mousedown", async (event) => {
  52.     if (event.button === 1) {
  53.       // 中键点击
  54.       event.preventDefault();
  55.       event.stopPropagation();
  56.  
  57.       try {
  58.         const text = await navigator.clipboard.readText();
  59.  
  60.         // 获取点击位置的元素
  61.         const targetElement = document.elementFromPoint(
  62.           event.clientX,
  63.           event.clientY
  64.         );
  65.         if (targetElement && isEditable(targetElement)) {
  66.           // 设置焦点并模拟正常输入
  67.           forceFocus(targetElement);
  68.           pasteIntoInput(targetElement, text);
  69.         } else {
  70.           // 如果不是输入框，则尝试插入到其他可编辑区域
  71.           document.execCommand("insertText", false, text);
  72.         }
  73.       } catch (err) {
  74.         console.error("Failed to read clipboard contents: ", err);
  75.       }
  76.     }
  77.   });
  78.  
  79.   // 检查元素是否可编辑
  80.   function isEditable(element) {
  81.     return (
  82.       element.tagName === "INPUT" ||
  83.       element.tagName === "TEXTAREA" ||
  84.       element.isContentEditable
  85.     );
  86.   }
  87.  
  88.   // 尝试强制获得焦点
  89.   function forceFocus(element) {
  90.     try {
  91.       element.focus(); // 尝试直接聚焦
  92.       // 如果还没有焦点，再尝试更强制的方式
  93.       if (document.activeElement !== element) {
  94.         const focusEvent = new FocusEvent("focus", {
  95.           bubbles: true,
  96.           cancelable: true,
  97.         });
  98.         element.dispatchEvent(focusEvent);
  99.       }
  100.     } catch (e) {
  101.       console.error("Failed to focus on element: ", e);
  102.     }
  103.   }
  104.  
  105.   // 模拟正常输入
  106.   function pasteIntoInput(element, text) {
  107.     // 如果支持 `execCommand`
  108.     if (document.execCommand) {
  109.       element.focus();
  110.       document.execCommand("insertText", false, text);
  111.     } else {
  112.       // 如果不支持 `execCommand`，直接使用事件
  113.       const inputEvent = new InputEvent("input", {
  114.         bubbles: true,
  115.         cancelable: true,
  116.         data: text,
  117.         inputType: "insertText",
  118.       });
  119.       element.dispatchEvent(inputEvent);
  120.     }
  121.   }
  122. })();