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This script works on any browser and simulates the Opera Browser Mouse Gestures, but allows you to modify or disable them as you want.
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// ==UserScript==
// @name Opera Browser Mouse Gestures
// @namespace OperaBrowserGestures
// @description This script works on any browser and simulates the Opera Browser Mouse Gestures, but allows you to modify or disable them as you want.
// @version 0.0.1
// @author hacker09
// @include *
// @run-at document-start
// @grant GM_openInTab
// @grant window.close
// ==/UserScript==
// --- Script Settings Below ---
const SENSITIVITY = 3; // Adjust the script mouse senvity here between 1 ~ 5
const TOLERANCE = 3; // Adjust the script mouse tolerance here between 1 ~ 5
const funcs = { //Variable to store the functions
'L': function() { //Function that will run when the mouse movement Left is performed
window.history.back(); //Go Back
}, //Finishes the mouse movement Left
'R': function() { //Function that will run when the mouse movement Right is performed
window.history.forward(); //Go Foward
}, //Finishes the mouse movement Right
'D': function() { //Function that will run when the mouse movement Down is performed
if (IsShiftNotPressed) { //If the shift key isn't being pressed
GM_openInTab(link, { //Open the link on a new tab
active: true, //Focus on the new tab
insert: true, //Insert the new tab after the actual tab
setParent: true //Return to the tab the user was in
}); //Open the link that was hovered
setTimeout(function() { //Starts the settimeout function
link = 'about:newtab'; //Make the script open a new browser tab if no links were hovered
}, 100); //Finishes the settimeout function
} //Finishes the if condition
IsShiftNotPressed = true; //Variable to hold the shift key status
}, //Finishes the mouse movement Down
'UD': function() { //Function that will run when the mouse movement Up+Down is performed
window.location.reload(); //Reload the Tab
}, //Finishes the mouse movement Up+Down
'DR': function() { //Function that will run when the mouse movement Down+Right is performed
window.top.close(); //Close the tab
}, //Finishes the mouse movement Down+Right
'DU': function() { //Function that will run when the mouse movement Down+Up is performed
GM_openInTab(link, { //Open the link that was hovered
active: false, //Don't focus on the new tab
insert: true, //Insert the new tab after the actual tab
setParent: true //Return to the tab the user was in
}); //Open the link that was hovered on a new background tab
setTimeout(function() { //Starts the setimeout function
link = 'about:newtab'; //Make the script open a browser tab if no links were hovered
}, 100); //Finishes the setimeout function
} //Finishes the mouse movement Down+Up
}; //Finishes the variable to store the functions
// ---------------- Below this line is the math codes that track the mouse movements
const s = 1 << ((7 - SENSITIVITY) << 1);
const t1 = Math.tan(0.15708 * TOLERANCE),
t2 = 1 / t1;
let x, y, path;
const tracer = function(e) {
let cx = e.clientX,
cy = e.clientY,
deltaX = cx - x,
deltaY = cy - y,
distance = deltaX * deltaX + deltaY * deltaY;
if (distance > s) {
let slope = Math.abs(deltaY / deltaX),
direction = '';
if (slope > t1) {
direction = deltaY > 0 ? 'D' : 'U';
} else if (slope <= t2) {
direction = deltaX > 0 ? 'R' : 'L';
}
if (path.charAt(path.length - 1) !== direction) {
path += direction;
}
x = cx;
y = cy;
}
};
window.addEventListener('mousedown', function(e) {
if (e.which === 3) {
x = e.clientX;
y = e.clientY;
path = "";
window.addEventListener('mousemove', tracer, false);
}
}, false);
window.addEventListener('contextmenu', function(e) {
window.removeEventListener('mousemove', tracer, false);
if (path !== "") {
e.preventDefault();
if (funcs.hasOwnProperty(path)) {
funcs[path]();
}
}
}, false);
var link; //Make the variable global
document.addEventListener('mouseover', function(event) { //Add an advent listener to the page
var hoveredEl = event.target; // The actual element which was hovered.
if (hoveredEl.tagName !== 'A') { //If the element isn't a
return; //Ignore non links
} //Finishes the if condition
link = hoveredEl.href; //Store the actual hovered link to a variable
}); //Finishes the advent listener
var IsShiftNotPressed = true; //Variable to hold the shift key status
window.addEventListener("contextmenu", function(e) { //Adds an advent listener to the page to know when the shift key is pressed or not
if (e.shiftKey) { //If the shift key was pressed
window.open(link, '_blank', 'height=' + window.screen.height + ',width=' + window.screen.width); //Open the link on a new window
IsShiftNotPressed = false; //Variable to hold the shift key status
} //Finishes the if condition
}, false); //Finishes the advent listener