Dynamic Cursor

A dynamic cursor thingy

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey, Greasemonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Userscripts.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een gebruikersscriptbeheerder nodig.

(Ik heb al een user script manager, laat me het downloaden!)

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

(Ik heb al een beheerder - laat me doorgaan met de installatie!)

// ==UserScript==
// @name         Dynamic Cursor
// @namespace    http://tampermonkey.net/
// @version      2026-01-20
// @description  A dynamic cursor thingy
// @author       pooiod7
// @include      *
// @grant GM_registerMenuCommand
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==

// const s1332=document.createElement("style");
// s1332.textContent="button{transition:filter .5s}button:hover{filter:invert(1)}";
// document.head.appendChild(s1332);

(function() {
    if (window.DCurLoaded == true) return;
    window.DCurLoaded = true;

    var SETTINGS = {
        BASE_SIZE: { key: "size", def: "5", type: "number" },
        BASE_OPACITY: { key: "PointerOpacity", def: "0.9", type: "number" },
        OUTLINE_OPACITY: { key: "OutlineOpacity", def: "1", type: "number" },
        SELECT_OPACITY: { key: "SelectOpacity", def: "0.2", type: "number" },
        MOSTLY_OUTLINE: { key: "ForceOutline", def: false, type: "bool" },
        TEXT_CURSOR_WIDTH: { key: "TextPointerWidth", def: "2", type: "number" },
        OUTLINE_THICKNESS: { key: "OutlineThickness", def: "2", type: "number" },
        IGNORE_SITES: { key: "IgnoreSites", def: "example.com, studio.penguinmod.com, turbowarp.org", type: "text" }
    };

    var VALUES = {};
    Object.keys(SETTINGS).forEach(k => {
        VALUES[k] = GM_getValue(SETTINGS[k].key, SETTINGS[k].def);
    });

    var {
        BASE_SIZE,
        BASE_OPACITY,
        OUTLINE_OPACITY,
        SELECT_OPACITY,
        MOSTLY_OUTLINE,
        TEXT_CURSOR_WIDTH,
        OUTLINE_THICKNESS,
        IGNORE_SITES
    } = VALUES;

    Object.keys(SETTINGS).forEach(k => {
        let s = SETTINGS[k];
        let v = VALUES[k];
        GM_registerMenuCommand(`${k}: ${v}`, () => {
            let nv;
            if (s.type === "bool") {
                nv = confirm(`${k}: OK=true, Cancel=false`);
            } else {
                nv = prompt(`Set ${k}:`, v);
                if (nv === null) return;
                if (s.type === "number") nv = String(nv);
            }
            GM_setValue(s.key, nv);
            window.location.reload();
        });
    });

    var IGNORE_JSON = IGNORE_SITES.split(",").map(s => s.trim()).filter(Boolean);

    var IS_IGNORED = IGNORE_JSON.some(d => location.hostname === d || location.hostname.endsWith("." + d));
    if (IS_IGNORED) return;

    const Z_INDEX = '2147483647';
    var SMOOTH_DURATION = 200;

    const CLICKABLE_SELECTORS = 'a, button, input, textarea, select, details, [role="button"], [role="link"], g[id^="part-"]';
    const TEXT_INPUT_TYPES = ['text', 'password', 'email', 'number', 'search', 'tel', 'url', 'date', 'datetime-local', 'month', 'week', 'time'];

    const globalStyle = document.createElement('style');
    globalStyle.textContent = `*, html, body { cursor: none !important; }`;
    document.head.appendChild(globalStyle);

    const host = document.createElement('div');
    Object.assign(host.style, {
        position: 'fixed', top: '0', left: '0', width: '0', height: '0',
        zIndex: Z_INDEX, pointerEvents: 'none'
    });
    document.body.appendChild(host);

    const shadow = host.attachShadow({ mode: 'open' });

    const shadowStyle = document.createElement('style');
    shadowStyle.textContent = `
        .cursor {
            position: fixed; top: 0; left: 0;
            width: ${BASE_SIZE}px; height: ${BASE_SIZE}px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: invert(1);
            -webkit-backdrop-filter: invert(1);
            opacity: ${BASE_OPACITY};
            pointer-events: none;
            transform: translate3d(-50%, -50%, 0);
            box-sizing: border-box;
            will-change: transform, width, height, border-radius, padding;
            transition:
                width 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                height 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                border-radius 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                opacity 0.2s ease,
                padding 0.2s ease,
                background-color 0.2s ease;
            -webkit-mask: none;
            mask: none;
        }
        .cursor.smooth-pos {
            transition:
                width 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                height 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                border-radius 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                transform 0.2s cubic-bezier(0.25, 0.8, 0.25, 1),
                opacity 0.2s ease,
                padding 0.2s ease,
                background-color 0.2s ease;
        }
        .cursor.outline-mode {
            background-color: rgba(255, 255, 255, 0.5);
            padding: ${OUTLINE_THICKNESS}px;
            -webkit-mask: linear-gradient(#fff, #fff) content-box, linear-gradient(#fff, #fff);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
        }
        .cursor.text-mode {
            border-radius: 0 !important;
            background-color: rgba(255, 255, 255, 0.5);
        }
        .cursor.hidden { opacity: 0 !important; }
    `;
    shadow.appendChild(shadowStyle);

    const cursor = document.createElement('div');
    cursor.classList.add('cursor');
    shadow.appendChild(cursor);

    let mouseX = -100, mouseY = -100;
    let currentMode = 'idle';
    let smoothRemoveTimer = null;
    let freezeCursor = false;
    let freezeTarget = null;

    const isSVGWithImage = (el) => {
        if (el.tagName.toLowerCase() === 'svg') return !!el.querySelector('image');
        return false;
    };

    const hasImage = (el) => {
        if (el.tagName.toLowerCase() === 'img') return true;
        if (isSVGWithImage(el)) return true;
        if (el.querySelector('svg') && isSVGWithImage(el.querySelector('svg'))) return true;
        if (el.querySelector('img')) return true;
        const style = window.getComputedStyle(el);
        if (style.backgroundImage !== 'none' && style.backgroundImage.includes('url')) return true;
        return false;
    };

    const getTextLineHeight = (el) => {
        const style = window.getComputedStyle(el);
        const lh = parseFloat(style.lineHeight);
        const fs = parseFloat(style.fontSize);
        return isNaN(lh) ? fs * 1.2 : lh;
    };

    const getClickable = (target) => {
        const el = target.closest(CLICKABLE_SELECTORS);
        if (el) return el;
        let traverse = target;
        while (traverse && traverse !== document.body) {
            const style = window.getComputedStyle(traverse);
            if (style.cursor === 'pointer') return traverse;
            traverse = traverse.parentElement;
        }
        return null;
    };

    const isTextBox = (el) => {
        const tag = el.tagName;
        if (tag === 'TEXTAREA') return true;
        if (tag === 'INPUT') {
            const type = el.getAttribute('type') || 'text';
            return TEXT_INPUT_TYPES.includes(type.toLowerCase());
        }
        return false;
    };

    document.addEventListener('mousemove', (e) => {
        mouseX = e.clientX;
        mouseY = e.clientY;
    });

    document.addEventListener('mousedown', (e) => {
        const target = e.target.closest(CLICKABLE_SELECTORS);
        if (target) {
            freezeCursor = target.classList.contains('freeze-cursor');
            freezeTarget = freezeCursor ? target : null;
        }
    });

    document.addEventListener('mouseup', () => {
        freezeCursor = false;
        freezeTarget = null;
    });

    document.addEventListener('mouseleave', () => cursor.classList.add('hidden'));
    document.addEventListener('mouseenter', () => cursor.classList.remove('hidden'));

    function update() {
        let currentX = mouseX;
        let currentY = mouseY;

        if (freezeCursor && freezeTarget) {
            const rect = freezeTarget.getBoundingClientRect();
            currentX = rect.left + rect.width / 2;
            currentY = rect.top + rect.height / 2;
        }

        const elUnderPoint = document.elementFromPoint(currentX, currentY);
        const target = elUnderPoint ? getClickable(elUnderPoint) : null;

        let targetX = currentX;
        let targetY = currentY;
        let targetW = BASE_SIZE;
        let targetH = BASE_SIZE;
        let targetR = '50%';
        let mode = 'idle';
        let isOutline = false;

        if (target) {
            cursor.style.opacity = SELECT_OPACITY;
            const rect = target.getBoundingClientRect();
            const style = window.getComputedStyle(target);

            if (isTextBox(target)) {
                cursor.style.opacity = BASE_OPACITY;
                mode = 'text';
                targetW = TEXT_CURSOR_WIDTH;
                targetH = getTextLineHeight(target);
                targetR = '0px';
                targetX = currentX;
                targetY = currentY;
            } else {
                mode = 'snap';
                targetW = rect.width;
                targetH = rect.height;
                const cssR = parseFloat(style.borderRadius) || 0;
                targetR = Math.max(cssR, 2) + 'px';
                targetX = rect.left + (rect.width / 2);
                targetY = rect.top + (rect.height / 2);
                if (hasImage(target)) isOutline = true;
                if (MOSTLY_OUTLINE && !target.classList.contains('freeze-cursor')) isOutline = true;
                if (isOutline) cursor.style.opacity = OUTLINE_OPACITY;
            }
        } else {
            cursor.style.opacity = BASE_OPACITY;
        }

        if (mode === 'snap') {
            cursor.classList.add('smooth-pos');
            clearTimeout(smoothRemoveTimer);
            smoothRemoveTimer = null;
        } else if (currentMode === 'snap' && mode !== 'snap') {
            cursor.classList.add('smooth-pos');
            if (!smoothRemoveTimer) {
                smoothRemoveTimer = setTimeout(() => {
                    cursor.classList.remove('smooth-pos');
                    smoothRemoveTimer = null;
                }, SMOOTH_DURATION);
            }
        } else if (mode === 'text') {
            cursor.classList.remove('smooth-pos');
            clearTimeout(smoothRemoveTimer);
            smoothRemoveTimer = null;
        }

        if (mode === 'text') {
            cursor.classList.add('text-mode');
            cursor.classList.remove('outline-mode');
        } else {
            cursor.classList.remove('text-mode');
            if (isOutline) cursor.classList.add('outline-mode');
            else cursor.classList.remove('outline-mode');
        }

        cursor.style.width = `${targetW}px`;
        cursor.style.height = `${targetH}px`;
        cursor.style.borderRadius = targetR;
        cursor.style.transform = `translate3d(${targetX}px, ${targetY}px, 0) translate(-50%, -50%)`;

        currentMode = mode;
        requestAnimationFrame(update);
    }

    requestAnimationFrame(update);
})();