MediaWiki:Citizen.js

注意：在发布之后，您可能需要清除浏览器缓存才能看到所作出的更改的影响。

• Firefox或Safari：按住Shift的同时单击刷新，或按Ctrl-F5或Ctrl-R（Mac为⌘-R）
• Google Chrome：按Ctrl-Shift-R（Mac为⌘-Shift-R）
• Edge：按住Ctrl的同时单击刷新，或按Ctrl-F5。

(function() {
// 页面白名单
const allowPages = [
  "首页",
  "Main Page"
];
const currentPage = mw.config.get("wgTitle");

if( !allowPages.includes(currentPage) ){
  return;
}
if( window.magneticCursorInit ) return;
window.magneticCursorInit = true;

mw.loader.using( [], function() {
    const ptr = document.createElement('div');
    ptr.className = 'magnetic-true-corner';
    ptr.innerHTML = `<i></i><i></i><i></i><i></i>`;
    document.body.appendChild(ptr);

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

.magnetic-true-corner{
    position:fixed;
    left:0;top:0;
    width:0;height:0;
    pointer-events:none;
    z-index:999999!important;
    /* 暂时关掉旋转，保证能显示 */
}
.magnetic-true-corner i{
    position:absolute;
    width:14px;height:14px;
    border:2px solid #888e99;
    background:transparent!important;
    box-shadow:none!important;
}
.magnetic-true-corner i:nth-child(1){top:-2px;left:-2px;border-right:none;border-bottom:none;}
.magnetic-true-corner i:nth-child(2){top:-2px;right:-2px;border-left:none;border-bottom:none;}
.magnetic-true-corner i:nth-child(3){bottom:-2px;left:-2px;border-right:none;border-top:none;}
.magnetic-true-corner i:nth-child(4){bottom:-2px;right:-2px;border-left:none;border-top:none;}
    `;
    document.head.appendChild(css);

    let hoverEl = null;
    let mx = 0, my = 0;
    let smoothX = 0, smoothY = 0;
    let curW = 40, curH = 40;

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

    function loop(){
        const ease = 0.15;
        if(hoverEl){
            const r = hoverEl.getBoundingClientRect();
            const targetX = r.left + r.width / 2;
            const targetY = r.top + r.height / 2;
            smoothX += (targetX - smoothX) * ease;
            smoothY += (targetY - smoothY) * ease;
            curW = r.width;
            curH = r.height;

            ptr.style.left = (smoothX - curW / 2) + 'px';
            ptr.style.top = (smoothY - curH / 2) + 'px';
            ptr.style.width = curW + 'px';
            ptr.style.height = curH + 'px';
        }else{
            curW = 40;
            curH = 40;
            smoothX += (mx - smoothX) * ease;
            smoothY += (my - smoothY) * ease;

            ptr.style.left = (smoothX - 20) + 'px';
            ptr.style.top = (my - 20) + 'px';
            ptr.style.width = curW + 'px';
            ptr.style.height = curH + 'px';
        }
        requestAnimationFrame(loop);
    }
    loop();

const sel = [
    '.citizen-nav a','.citizen-menu a','.citizen-button',
    '.citizen-action-button','.cdx-button','.mw-editsection a',
    '#citizen-header__nav a','.citizen-sidebar a','._target',
    '.commentstreams-button','.commentstreams-submit',
    '.commentstreams-header button','.commentstreams-box button',
    '.mw-ui-button','button','a[role="button"]'
].join(',');

    function bind(){
        document.querySelectorAll(sel).forEach(el=>{
            if(el._magBind)return;
            el._magBind = 1;
            el.addEventListener('mouseenter', ()=> hoverEl = el);
            el.addEventListener('mouseleave', ()=> hoverEl = null);
        });
    }
    bind();
    new MutationObserver(bind).observe(document.body,{childList:true,subtree:true});
});
})();