页面随心滚动，无需点击！
目前为
// ==UserScript==
// @name Scroll with Mouse Plus
// @name:zh-CN Scroll with Mouse Plus
// @name:en Scroll with Mouse Plus
// @namespace http://userscripts.org/users/86496
// @description:zh-CN 页面随心滚动，无需点击！
// @description:en Scroll a page by simply moving the cursor, without even a click!
// @include *
// @exclude *pan.baidu.com/*
// @grant GM_getValue
// @grant GM_setValue
// @grant GM_addStyle
// @run-at document-end
// @author hzhbest
// @license GNU GPLv3
// @version 2.0
// @description Scroll a page by simply moving the cursor up and down, without even a click!
// ==/UserScript==
// Original script by Protector one (http://userscripts.org/scripts/show/63593)
// hzhbest modded; -algorithm changed -compatibility improved -flexabiligy:move into the scrollbar to activate and continue scrolling while in the scroll-sensitive zone
// v20: add horizontal scroll support
(function (){
//###Customization: |可自定义的东西：
//Show the scrolling indicator box or not, "1" to show. | 1－显示提示条，其他－不显示。
var scrollShowIndicator = 1;
//Set the width of scroll-sensitive zone, "100" as full width, "10" as one tenth.
// | “滚动触发区”宽度百分比，区间：[0-100]，V为垂直宽度，H为水平宽度；取值100为屏宽／高，0为禁用，10为十分之一屏宽／高。
var VSzoneWidth = 10;
var HSzoneHeight = 20;
//Set the background of the indicator bar. | 提示条的背景，可以为“rgba(r,g,b,a)”或“#rrggbb[aa]”格式。
var IndicBarBG = "rgba(29,163,63,0.4)"
//Set the height of "thickness" of the indicator bar. | 提示条的粗细度，单位为像素。
var IndicBarH = 20;
//Write here the width of the scrollbar (set in display properties) for highest accuracy.
// | 在下面填写滚动条的宽度（也就是系统“显示属性”中的数字），这样能实现最高精确度。
var ScrollbarWidth = 30;
//Set a trigger for activation, 1-none, 2-Ctrl key, 3-middle 100px range.
// | 在下面设置激活条件，1－无，2－按住 Ctrl 键，3－鼠标在页面中间100像素高度范围内。
var activateCond = 1;
//###Customization ends. 请不要更改下面代码。
var VscrollStartSWTM = -1;
var HscrollStartSWTM = -1;
var factor;
var Vbox;
var Hbox;
var VScrollOn=0;
var HScrollOn=0;
document.addEventListener('mousemove', function(event) {
if (document.body.contentEditable == "true") {
return;
}
var sHeight = Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
var sWidth = Math.max(document.body.scrollWidth, document.documentElement.scrollWidth);
var cHeight = Math.max(document.body.clientHeight, document.documentElement.clientHeight);
var cWidth = Math.max(document.body.clientWidth, document.documentElement.clientWidth);
var wHeight = window.innerHeight;
var wWidth = window.innerWidth;
var scrollboxHeight = window.innerHeight - 2*ScrollbarWidth;
var scrollboxWidth = window.innerWidth - 2*ScrollbarWidth;
var delta;
//var cheightMin = Math.min(document.documentElement.clientHeight, document.body.clientHeight);
//console.log("1:","x:",event.clientX,"y:",event.clientY,"h_on",HScrollOn);
if (sHeight > wHeight) {
if (event.clientX > wWidth - ScrollbarWidth){
switch (activateCond) {
case 1:
VScrollOn = 1;
break;
case 2:
if (event.ctrlKey) VScrollOn = 1;
break;
case 3:
if (event.clientY>wHeight/2-50 && event.clientY<wHeight/2+50) VScrollOn = 1;
};
if (VScrollOn) HScrollOn = 0;
}
if (event.clientX < ((1-VSzoneWidth/100) * wWidth)) VScrollOn = 0;
if (document.body.contentEditable == "true") VScrollOn = 0;
}
if (sWidth > wWidth) {
if (event.clientY > wHeight - ScrollbarWidth){
switch (activateCond) {
case 1:
HScrollOn = 1;
break;
case 2:
if (event.ctrlKey) HScrollOn = 1;
break;
case 3:
if (event.clientX>wWidth/2-50 && event.clientX<wWidth/2+50) HScrollOn = 1;
};
if (HScrollOn) VScrollOn = 0;
}
if (event.clientY < ((1-HSzoneHeight/100) * wHeight)) HScrollOn = 0;
if (document.body.contentEditable == "true") HScrollOn = 0;
}
if (VScrollOn) {
if (scrollShowIndicator == 1) make_Vbox();
if (VscrollStartSWTM != -1) {
factor = (event.ctrlKey) ? 2: sHeight / scrollboxHeight;
//console.log("w:",sHeight,scrollboxHeight,factor);
//factor = ((Math.pow(dheightMax / wHeight,1.5)/110) + dheightMax / wHeight);
//Vbox.innerHTML = wHeight +"|"+scrollboxHeight +"<br />"+dheightMax +"|"+ factor +"<br />"+document.body.scrollTop;
if (Vbox) {Vbox.style.top = (event.clientY - IndicBarH/2) + 'px';}
delta = factor * (event.clientY - VscrollStartSWTM);
document.body.scrollTop += delta;
document.documentElement.scrollTop += delta;
if (event.clientY + 20 > wHeight) {
document.body.scrollTop += (factor * 10);
document.documentElement.scrollTop += (factor * 10);
}
if (event.clientY > 0 && event.clientY < 20) {
document.body.scrollTop -= (factor * 10);
document.documentElement.scrollTop -= (factor * 10);
}
}
VscrollStartSWTM = event.clientY;
} else {
VscrollStartSWTM = -1;
if (Vbox) setTimeout(function(){Vbox.style.top = -200 + 'px';},200);
}
if (HScrollOn) {
if (scrollShowIndicator == 1) make_Hbox();
if (HscrollStartSWTM != -1) {
factor = (event.ctrlKey) ? 0.5 : sWidth / scrollboxWidth;
//console.log("w:",sWidth,scrollboxWidth,factor);
//factor = ((Math.pow(dheightMax / wHeight,1.5)/110) + dheightMax / wHeight);
if (Hbox) {Hbox.style.left = (event.clientX - IndicBarH/2) + 'px';}
delta = factor * (event.clientX - HscrollStartSWTM);
document.body.scrollLeft += delta;
document.documentElement.scrollLeft += delta;
if (event.clientX + 20 > wWidth) {
document.body.scrollLeft += (factor * 10);
document.documentElement.scrollLeft += (factor * 10);
}
if (event.clientX > 0 && event.clientX < 20) {
document.body.scrollLeft -= (factor * 10);
document.documentElement.scrollLeft -= (factor * 10);
}
}
HscrollStartSWTM = event.clientX;
} else {
HscrollStartSWTM = -1;
if (Hbox) setTimeout(function(){Hbox.style.left = -200 + 'px';},200);
}
},false);
document.addEventListener('click',function(){VScrollOn=0;HScrollOn=0;},false);
function make_Vbox() {
if (!Vbox) {
Vbox = document.createElement("div");
Vbox.setAttribute("id","IndicatorVBox");
Vbox.setAttribute("style", "width:" + VSzoneWidth +"%;background:" + IndicBarBG + ";min-height:" +IndicBarH + "px;text-align:center;position: fixed; top: -40px; right: 0;overflow: hidden; z-index: 10005;font-family:Arial !important;cursor:ns-resize;");
document.body.appendChild(Vbox);
Vbox.addEventListener('click',function(){VScrollOn=0;},false);
return true;
}
}
function make_Hbox() {
if (!Hbox) {
Hbox = document.createElement("div");
Hbox.setAttribute("id","IndicatorHBox");
Hbox.setAttribute("style", "height:" + HSzoneHeight +"%;background:" + IndicBarBG + ";min-width:" +IndicBarH + "px;text-align:center;position: fixed; left: -40px; bottom: 0;overflow: hidden; z-index: 10005;font-family:Arial !important;cursor:ew-resize;");
document.body.appendChild(Hbox);
Hbox.addEventListener('click',function(){HScrollOn=0;},false);
return true;
}
}
})();
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