Andreas Reinhold / reiniandClaude Opus 5
7db522826b
Menus, submenus, tooltips, rich tooltips and the FAB menu held their exit with `transition-behavior: allow-discrete` on `display` and `overlay`. Firefox transitions neither (MDN browser-compat-data, `display.is_transitionable`: Chrome 117, Safari 18, Firefox none), so every one of them vanished on its first frame there. A script cannot hold a popover open instead: `beforetoggle` is not cancellable on the way out, and the browser's own light dismiss (Escape, a press outside) never asks. resources/js/popover-exit.js: a popover marked `data-md-popover-exit` closes for real at once — focus, aria-expanded and toggle stay the browser's — and a copy taken in `beforetoggle`, while it is still drawn, stands in for the exit. The copy is decoration: a manual popover in the top layer (closing no other popover), inert, aria-hidden, without ids or nested popovers, `x-ignore`d so Alpine starts nothing in it, pinned to the popover's box with its resolved colours. It is shown with its transitions off, so `@starting-style` does not replay the entry, then marked `data-md-popover-closing`, which each stylesheet turns into its closed values (`:popover-open:not([data-md-popover-closing])`, and the FAB menu's items' sink), so it moves on the component's own tokens. It is removed once the longest of them has run, and opening the popover again takes it away. Under reduced motion every duration is zero and no copy is made. `display`, `overlay` and `allow-discrete` leave the transitions, so Chrome and Safari take the same path. Browser tests in Chrome, Firefox and Safari slow the motion tokens so a round trip still finds the exit on screen: a menu after Escape and after a press outside (the real menu closed and focus back on its button, the copy inert, fading, with no Alpine state, and gone after), a reopen part-way through, reduced motion, a submenu while its menu stays open, a tooltip, the FAB menu's items part-way down their sink, and a persistent rich tooltip. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
64 lines
2.7 KiB
CSS
64 lines
2.7 KiB
CSS
/*
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* <x-fab-menu-item>: one action in an `<x-fab-menu>`, a pill that rises into place as the menu
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* opens and sinks back as it closes.
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*
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* FabMenuBaselineTokens (androidx Compose Material 3, Apache-2.0): 56px tall, 24px either side,
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* 8px between the icon and the label, 24px icons, full corner, elevation 3, `data-md-color`'s
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* container. It renders the foundation's `md-state-layer` and `md-focus-ring`
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* (foundation/interaction.css); its 56px already meets M3's target, so it needs no
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* `md-touch-target`.
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*
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* The entry is `@starting-style` on the item itself; the exit is the popover's exit copy
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* (resources/js/popover-exit.js), whose items fab-menu.css sets to the closed values, so the item
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* has somewhere to animate to (ACT-33).
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*/
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@layer material.reset, material.tokens, material.base, material.layout, material.components, material.text, material.visibility;
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@import './icon.css';
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@layer material.components {
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[data-md-fab-menu-item] {
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--md-fab-menu-item-container: var(--md-sys-color-primary-container);
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--md-fab-menu-item-on-container: var(--md-sys-color-on-primary-container);
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display: inline-flex;
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flex-shrink: 0;
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align-items: center;
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gap: var(--md-sys-measurement-space100);
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block-size: var(--md-sys-measurement-space700);
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padding-inline: var(--md-sys-measurement-space300);
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border-radius: var(--md-sys-shape-corner-full);
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background-color: var(--md-fab-menu-item-container);
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color: var(--md-fab-menu-item-on-container);
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box-shadow: var(--md-sys-elevation-3);
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white-space: nowrap;
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font: var(--md-sys-typescale-title-md);
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letter-spacing: var(--md-sys-typescale-title-md-tracking);
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font-variation-settings: normal;
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cursor: pointer;
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-webkit-user-select: none;
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user-select: none;
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translate: 0 0;
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opacity: 1;
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transition-property: translate, opacity;
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transition-duration: var(--md-sys-motion-spatial-fast-duration), var(--md-sys-motion-effects-default-duration);
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transition-timing-function: var(--md-sys-motion-spatial-fast), var(--md-sys-motion-effects-default);
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@starting-style {
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translate: 0 var(--md-sys-measurement-space100);
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opacity: 0;
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}
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}
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[data-md-fab-menu-item][data-md-color='secondary'] {
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--md-fab-menu-item-container: var(--md-sys-color-secondary-container);
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--md-fab-menu-item-on-container: var(--md-sys-color-on-secondary-container);
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}
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[data-md-fab-menu-item][data-md-color='tertiary'] {
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--md-fab-menu-item-container: var(--md-sys-color-tertiary-container);
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--md-fab-menu-item-on-container: var(--md-sys-color-on-tertiary-container);
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}
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}
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