/* eslint-disable no-multi-spaces */
// ==UserScript==
// @name               OSU navigator
// @name:zh-CN         鼠标OSU化
// @name:zh-TW         滑鼠OSU化
// @name:ko            마우스 OSU화
// @namespace          OSU_NAVIGATOR
// @version            0.2
// @description        Use key "z" and "x" as mouse left and right, and displays your mouse cursor as osu yellow mouse cursor
// @description:zh-CN  使用"z"和"x"键作为鼠标左右键，并将鼠标样式显示为圆形亮黄osu光标
// @description:zh-TW  使用“z”和“x”鍵作為滑鼠左右鍵，並將滑鼠樣式顯示為圓形亮黃osu光標
// @description:ko     "z" 및 "x" 키를 마우스 좌우 키로 사용하고 마우스 스타일을 둥근 밝은 노란색 osu 커서로 표시합니다
// @author             PY-DNG
// @license            MIT
// @match              http*://*/*
// @icon               https://api.iowen.cn/favicon/get.php?url=osu.ppy.sh
// @grant              none
// ==/UserScript==
(function() {
'use strict';
// Arguments: level=LogLevel.Info, logContent, asObject=false
// Needs one call "DoLog();" to get it initialized before using it!
function DoLog() {
// Global log levels set
window.LogLevel = {
None: 0,
Error: 1,
Success: 2,
Warning: 3,
Info: 4,
}
window.LogLevelMap = {};
window.LogLevelMap[LogLevel.None]     = {prefix: ''          , color: 'color:#ffffff'}
window.LogLevelMap[LogLevel.Error]    = {prefix: '[Error]'   , color: 'color:#ff0000'}
window.LogLevelMap[LogLevel.Success]  = {prefix: '[Success]' , color: 'color:#00aa00'}
window.LogLevelMap[LogLevel.Warning]  = {prefix: '[Warning]' , color: 'color:#ffa500'}
window.LogLevelMap[LogLevel.Info]     = {prefix: '[Info]'    , color: 'color:#888888'}
window.LogLevelMap[LogLevel.Elements] = {prefix: '[Elements]', color: 'color:#000000'}
// Current log level
DoLog.logLevel = LogLevel.Info; // Info Warning Success Error
// Log counter
DoLog.logCount === undefined && (DoLog.logCount = 0);
if (++DoLog.logCount > 512) {
console.clear();
DoLog.logCount = 0;
}
// Get args
let level, logContent, asObject;
switch (arguments.length) {
case 1:
level = LogLevel.Info;
logContent = arguments[0];
asObject = false;
break;
case 2:
level = arguments[0];
logContent = arguments[1];
asObject = false;
break;
case 3:
level = arguments[0];
logContent = arguments[1];
asObject = arguments[2];
break;
default:
level = LogLevel.Info;
logContent = 'DoLog initialized.';
asObject = false;
break;
}
// Log when log level permits
if (level <= DoLog.logLevel) {
let msg = '%c' + LogLevelMap[level].prefix;
let subst = LogLevelMap[level].color;
if (asObject) {
msg += ' %o';
} else {
switch(typeof(logContent)) {
case 'string': msg += ' %s'; break;
case 'number': msg += ' %d'; break;
case 'object': msg += ' %o'; break;
}
}
console.log(msg, subst, logContent);
}
}
DoLog();
main();
function main() {
// Terminal element event listeners
/*
for (const elm of document.querySelectorAll('*')) {
dealElement(elm);
}
document.addEventListener('DOMNodeInserted', (e) => {if(!e.target){debugger;}dealElement(e.target);});
*/
document.addEventListener('mousemove', function(e) {
const elm = document.elementFromPoint(e.x, e.y);
removeListeners(window.OSUMouse.target);
addListeners(elm);
window.OSUMouse.target = elm;
}, {
capture: true,
passive: true
})
// Global event listeners
document.body.onkeydown = keyDownListener;
document.body.onkeyup = keyUpListener;
// Global status recorder
window.OSUMouse = {
ctrlKey: false,
altKey: false,
shiftKey: false,
metaKey: false,
target: document.body
};
// Change cursor
osuMouseCursor();
}
function addListeners(elm) {
elm.addEventListener('mousemove', recordMouseStatus);
}
function removeListeners(elm) {
// Record mouse status
elm.removeEventListener('mousemove', recordMouseStatus);
}
function recordMouseStatus(e) {
const props = ['screenX', 'screenY', 'clientX', 'clientY', 'relatedTarget', 'region']
for (const prop of props) {
window.OSUMouse[prop] = e[prop];
}
}
function keyDownListener(e) {
switch (e.key) {
case 'Control':
window.OSUMouse.ctrlKey = true;
//DoLog(window.OSUMouse);
break;
case 'Shift':
window.OSUMouse.shiftKey = true;
//DoLog(window.OSUMouse);
break;
case 'Alt':
window.OSUMouse.altKey = true;
//DoLog(window.OSUMouse);
break;
case 'Meta':
window.OSUMouse.metaKey = true;
//DoLog(window.OSUMouse);
break;
case 'z':
case 'Z':
case 'x':
case 'X':
dispatchMouseDown(e.target);
break;
}
}
function keyUpListener(e) {
switch (e.key) {
case 'Control':
window.OSUMouse.ctrlKey = false;
//DoLog(window.OSUMouse);
break;
case 'Shift':
window.OSUMouse.shiftKey = false;
//DoLog(window.OSUMouse);
break;
case 'Alt':
window.OSUMouse.altKey = false;
//DoLog(window.OSUMouse);
break;
case 'Meta':
window.OSUMouse.metaKey = false;
//DoLog(window.OSUMouse);
break;
case 'z':
case 'Z':
!inputing() && dispatchMouseLeftUp();
break;
case 'x':
case 'X':
!inputing() && dispatchMouseRightUp();
break;
}
}
function dispatchMouseDown() {
const mouseEventInit = {};
for (const [key, value] of Object.entries(window.OSUMouse)) {
mouseEventInit[key] = value;
}
mouseEventInit.bubbles = true;
const focusEventInit = {relatedTarget: window.OSUMouse.relatedTarget, bubbles: true};
const mouseLeft = new MouseEvent('mousedown', mouseEventInit);
const focus = new FocusEvent('focus', focusEventInit);
window.OSUMouse.target.dispatchEvent(focus);
window.OSUMouse.target.dispatchEvent(mouseLeft);
}
function dispatchMouseLeftUp() {
const mouseEventInit = {};
for (const [key, value] of Object.entries(window.OSUMouse)) {
mouseEventInit[key] = value;
}
mouseEventInit.bubbles = true;
const mouseRight = new MouseEvent('mouseup', mouseEventInit);
const mouseclick = new MouseEvent('click', mouseEventInit);
window.OSUMouse.target.dispatchEvent(mouseRight);
window.OSUMouse.target.dispatchEvent(mouseclick);
}
function dispatchMouseRightUp() {
const mouseEventInit = {};
for (const [key, value] of Object.entries(window.OSUMouse)) {
mouseEventInit[key] = value;
}
mouseEventInit.bubbles = true;
const mousecontextmenu = new MouseEvent('contentmenu', mouseEventInit);
window.OSUMouse.target.dispatchEvent(mousecontextmenu);
}
function inputing() {
return document.activeElement && [HTMLInputElement, HTMLTextAreaElement].some((o) => (document.activeElement instanceof o));
}
function osuMouseCursor() {
// Cursor
const OSUCursor = 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const CSSCursor = 'body {cursor: url("{C}"), auto !important;}'.replace('{C}', OSUCursor);
addStyle(CSSCursor, 'osu_cursor');
/*
// Canvas
const canvas = document.createElement('canvas');
const CSSCanvas = '#osu_cursor_canvas {position: fixed; pointer-events: none; z-index: 99999999}';
const img = new Image();
img.onload = function() {
const ctx = canvas.getContext('2d');
const half = img.width / 2;
canvas.width = img.width;
canvas.height = img.height;
ctx.drawImage(img, 0, 0);
canvas.id = 'osu_cursor_canvas';
document.body.addEventListener('mousemove', (e) => {
canvas.style.top  = (e.clientY - half).toString() + 'px';
canvas.style.left = (e.clientX - half).toString() + 'px';
});
document.body.appendChild(canvas);
};
img.src = OSUCursor;
addStyle(CSSCanvas);
*/
}
// Just stopPropagation and preventDefault
function destroyEvent(e) {
if (!e) {return false;};
if (!e instanceof Event) {return false;};
e.stopPropagation();
e.preventDefault();
}
// Append a style text to document(<head>) with a <style> element
function addStyle(css, id) {
const style = document.createElement("style");
id && (style.id = id);
style.textContent = css;
for (const elm of document.querySelectorAll('#'+id)) {
elm.parentElement && elm.parentElement.removeChild(elm);
}
document.head.appendChild(style);
}
})();