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마우스 OSU화

"z" 및 "x" 키를 마우스 좌우 키로 사용하고 마우스 스타일을 둥근 밝은 노란색 osu 커서로 표시합니다

질문, 리뷰하거나, 이 스크립트를 신고하세요.
/* 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);
    }
})();