feat: ClockLab —— 可调速桌面时钟(数字/表盘,支持倍率、暂停、倒转、快进)
一个用于演练/演示的桌面时钟工具:两个窗口 —— 控制窗口(普通)与时钟窗口(无边框、 可拖动、可拖边缘改大小,由控制窗口开与关)。 功能 - 两个窗口各自的「始终置顶」开关 - 显示样式:纯数字 / 圆形表盘,切换立即生效 - 实时设定时间(含「填入当前显示时间」) - 倍率:支持正数、负数(倒转)、0(暂停)、小数 - 暂停 / 继续(继续时回到暂停前的倍率,按钮文案会显示是几倍) - 快进五档:+5 秒 / +1 分钟 / +5 分钟 / +10 分钟 / +30 分钟 实现要点 - 走时是「基准时间 + 基准时刻 + 倍率」的锚点式模型(不累加、零漂移); 倍率、暂停、倒转、快进因此是同一套机制的四个用法,互不打架 - 跳转动画做在「呈现时间」这一层:数字滚动与表盘指针扫动共用同一个中间值, 所以永远同步,也不会跨 12 点倒着转一圈 - 无边框窗口的拖动(CSS app-region + 控件 no-drag)与拖边缘改大小 (自己算几何 + IPC setBounds,因为 frame:false 下系统边缘命中不可靠) 测试 152 例:走时模型 / 改大小几何 / 呈现时间 / 两个渲染进程(DOM 桩)
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:root {
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--bg: #05070c;
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--fg: #f2f6ff;
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--accent: #4fd1c5;
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--muted: #7d8aa5;
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--handle: 10px;
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--corner: 18px;
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}
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* {
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box-sizing: border-box;
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}
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html,
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body {
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margin: 0;
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height: 100%;
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overflow: hidden;
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background: var(--bg);
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color: var(--fg);
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user-select: none;
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cursor: default;
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font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
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}
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/* 拖动区:无边框窗口靠它实现「按住任意空白处移动窗口」 */
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.stage {
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position: absolute;
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inset: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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background: radial-gradient(120% 140% at 50% 0%, #131a29 0%, var(--bg) 70%);
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-webkit-app-region: drag;
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}
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.view {
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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.view[hidden] {
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display: none;
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}
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.digital-time {
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font-family: Consolas, 'Cascadia Mono', 'DejaVu Sans Mono', monospace;
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font-variant-numeric: tabular-nums;
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font-weight: 600;
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line-height: 1;
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letter-spacing: 0.02em;
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color: var(--fg);
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text-shadow: 0 0 28px rgba(79, 209, 197, 0.35);
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white-space: nowrap;
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}
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.digital-date {
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margin-top: 0.7em;
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/* 用 vmin 跟着窗口缩放,投到大屏时日期才不会小得看不见 */
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font-size: clamp(13px, 5.5vmin, 64px);
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letter-spacing: 0.18em;
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color: var(--muted);
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white-space: nowrap;
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}
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.analog-view {
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padding: 10px;
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}
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.dial {
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height: 100%;
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width: 100%;
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max-width: 100%;
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max-height: 100%;
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}
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.dial-face {
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fill: #0b1020;
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stroke: #26314a;
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stroke-width: 2;
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}
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.tick {
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stroke: #46577a;
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stroke-width: 2;
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stroke-linecap: round;
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}
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.tick-major {
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stroke: #8fa4cc;
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stroke-width: 4;
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}
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.numeral {
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fill: #8fa4cc;
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font-family: Consolas, 'DejaVu Sans Mono', monospace;
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font-size: 18px;
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text-anchor: middle;
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dominant-baseline: central;
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}
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.hand {
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stroke-linecap: round;
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}
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.hand-hour {
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stroke: #e6ecff;
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stroke-width: 7;
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}
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.hand-minute {
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stroke: #c3cfe8;
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stroke-width: 4.5;
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}
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.hand-second {
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stroke: var(--accent);
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stroke-width: 2;
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}
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.hand-cap {
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fill: var(--accent);
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}
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.badge {
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position: absolute;
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top: 10px;
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left: 12px;
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padding: 3px 10px;
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border-radius: 999px;
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font-size: 13px;
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letter-spacing: 0.06em;
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color: #0b1020;
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background: var(--accent);
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opacity: 0.92;
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-webkit-app-region: no-drag;
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}
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.badge[hidden] {
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display: none;
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}
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.close-btn {
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position: absolute;
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top: 8px;
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right: 8px;
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width: 26px;
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height: 26px;
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line-height: 1;
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font-size: 18px;
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border: 0;
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border-radius: 8px;
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color: #9fb0cc;
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background: rgba(255, 255, 255, 0.06);
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cursor: pointer;
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opacity: 0;
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transition: opacity 0.15s ease;
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/* 关键:按钮必须退出拖动区,否则在无边框窗口里点不动 */
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-webkit-app-region: no-drag;
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}
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.stage:hover .close-btn {
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opacity: 1;
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}
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.close-btn:hover {
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color: #fff;
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background: #e0555a;
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}
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/* 自定义改大小的边缘热区:放在 stage 之外,天然不属于拖动区,鼠标事件能正常到达 */
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.rz {
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position: fixed;
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z-index: 20;
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-webkit-app-region: no-drag;
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}
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.rz-n,
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.rz-s {
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left: var(--corner);
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right: var(--corner);
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height: var(--handle);
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cursor: ns-resize;
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}
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.rz-w,
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.rz-e {
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top: var(--corner);
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bottom: var(--corner);
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width: var(--handle);
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cursor: ew-resize;
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}
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.rz-n { top: 0; }
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.rz-s { bottom: 0; }
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.rz-w { left: 0; }
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.rz-e { right: 0; }
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.rz-nw,
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.rz-ne,
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.rz-sw,
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.rz-se {
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width: var(--corner);
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height: var(--corner);
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}
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.rz-nw { top: 0; left: 0; cursor: nwse-resize; }
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.rz-se { bottom: 0; right: 0; cursor: nwse-resize; }
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.rz-ne { top: 0; right: 0; cursor: nesw-resize; }
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.rz-sw { bottom: 0; left: 0; cursor: nesw-resize; }
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