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我的滑鼠手勢

一個簡單的滑鼠手勢腳本

目前為 2023-08-17 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name               My Mouse Gestures
  3. // @name:zh-CN         我的鼠标手势
  4. // @name:zh-TW         我的滑鼠手勢
  5. // @description        A simple mouse gesture script
  6. // @description:zh-CN  一个简单的鼠标手势脚本
  7. // @description:zh-TW  一個簡單的滑鼠手勢腳本
  8. // @version            0.2.0
  9. // @match              *://*/*
  10. // @run-at             document-start
  11. // @grant              GM_openInTab
  12. // @grant              window.close
  13. // @grant              GM_setValue
  14. // @grant              GM_getValue
  15. // @namespace          https://greasyfork.org/users/4968
  16. // ==/UserScript==
  17.  
  18. // --- Settings ---
  19.  
  20. const SENSITIVITY = 3; // 1 ~ 5
  21. const TOLERANCE = 3; // 1 ~ 5
  22.  
  23. const funcs = {
  24.     'DR': function() {
  25.         window.top.close();
  26.     },
  27.     'RL': function() {
  28.         let closedTabs = GM_getValue("closedTabs", []);
  29.         if(closedTabs.length > 0) {
  30.             let lastclosedTab = closedTabs.pop();
  31.             GM_setValue("closedTabs", closedTabs)
  32.             GM_openInTab(lastclosedTab, false);
  33.         }
  34.     },
  35.     'U': function() {
  36.         window.scrollTo(0, 0);
  37.     },
  38.     'D': function() {
  39.         window.scrollTo(0, 1073741824);
  40.     },
  41.     'L': function() {
  42.         window.history.back();
  43.     },
  44.     'R': function() {
  45.         window.history.forward();
  46.     },
  47.     'RU': function() {
  48.         GM_openInTab('about:newtab', false);
  49.         if (navigator.userAgent.indexOf('Firefox') !== -1) {
  50.             GM_openInTab('about:blank', false);
  51.         }
  52.     },
  53.     'UD': function() {
  54.         window.location.reload();
  55.     }
  56. };
  57.  
  58. // ----------------
  59.  
  60. const s = 1 << ((7 - SENSITIVITY) << 1);
  61. const t1 = Math.tan(0.15708 * TOLERANCE),
  62.       t2 = 1 / t1;
  63.  
  64. let x, y, path;
  65.  
  66. const tracer = function(e) {
  67.     let cx = e.clientX,
  68.         cy = e.clientY,
  69.         deltaX = cx - x,
  70.         deltaY = cy - y,
  71.         distance = deltaX * deltaX + deltaY * deltaY;
  72.     if (distance > s) {
  73.         let slope = Math.abs(deltaY / deltaX),
  74.             direction = '';
  75.         if (slope > t1) {
  76.             direction = deltaY > 0 ? 'D' : 'U';
  77.         } else if (slope <= t2) {
  78.             direction = deltaX > 0 ? 'R' : 'L';
  79.         }
  80.         if (path.charAt(path.length - 1) !== direction) {
  81.             path += direction;
  82.         }
  83.         x = cx;
  84.         y = cy;
  85.     }
  86. };
  87.  
  88. window.addEventListener('mousedown', function(e) {
  89.     if (e.which === 3) {
  90.         x = e.clientX;
  91.         y = e.clientY;
  92.         path = "";
  93.         window.addEventListener('mousemove', tracer, false);
  94.     }
  95. }, false);
  96.  
  97. window.addEventListener('contextmenu', function(e) {
  98.     window.removeEventListener('mousemove', tracer, false);
  99.     if (path !== "") {
  100.         e.preventDefault();
  101.         if (funcs.hasOwnProperty(path)) {
  102.             funcs[path]();
  103.         }
  104.     }
  105. }, false);
  106.  
  107. window.addEventListener("beforeunload", (e) => {
  108.     let closedTabs = GM_getValue("closedTabs", []);
  109.     closedTabs.push(window.location.href);
  110.     GM_setValue("closedTabs", closedTabs)
  111. });