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scrabble-game/ui/src/components/Modal.svelte
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Ilia Denisov f6bffd1f57
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Stage 17 (contour round 3): Telegram Mini Apps polish, board scroll, keyboard overlay
- Telegram (lib/telegram.ts): chrome colours (setHeaderColor/setBackgroundColor/setBottomBarColor) match Telegram's header/bg/bottom bar to the app; native BackButton on sub-screens (app chevron hidden in TG); HapticFeedback on tile place/commit/error; enableClosingConfirmation while a game is open; disableVerticalSwipes so swipe-to-minimise doesn't fight tile drag / board scroll
- #9 board-only vertical scroll: Screen 'column' mode lets the board area scroll while score/status/rack/tab bar stay fixed (zoom keeps its own scroll)
- #10 check-word dialog opens in Modal keyboard-overlay mode (top-anchored, keyboard overlays the empty area) — no resize/relayout jank; other modals stay keyboard-aware
- docs: UI_DESIGN Telegram integration + vertical fit/keyboard; PLAN round 2-3 follow-ups
2026-06-06 12:55:46 +02:00

93 lines
2.8 KiB
Svelte

<script lang="ts">
import type { Snippet } from 'svelte';
let {
title = '',
onclose,
overlayKeyboard = false,
children,
}: { title?: string; onclose?: () => void; overlayKeyboard?: boolean; children?: Snippet } = $props();
// Track the visual viewport so the backdrop covers only the area above an open
// mobile keyboard: dvh alone shrinks the sheet but the fixed, layout-viewport
// backdrop still centres it behind the keyboard. Sizing the backdrop to
// visualViewport keeps the sheet (and the start of a chat) fully on screen.
// overlayKeyboard opts out: the sheet is small and top-anchored, so the keyboard
// simply overlays the empty lower area — no resize, no relayout jank (e.g. check word).
let vh = $state(0);
let top = $state(0);
$effect(() => {
const vv = typeof window !== 'undefined' ? window.visualViewport : null;
if (!vv || overlayKeyboard) return;
const update = () => {
vh = vv.height;
top = vv.offsetTop;
};
update();
vv.addEventListener('resize', update);
vv.addEventListener('scroll', update);
return () => {
vv.removeEventListener('resize', update);
vv.removeEventListener('scroll', update);
};
});
</script>
<!-- svelte-ignore a11y_click_events_have_key_events -->
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div
class="backdrop"
class:overlay={overlayKeyboard}
style:height={vh ? `${vh}px` : null}
style:top={vh ? `${top}px` : null}
onclick={() => onclose?.()}
>
<div class="sheet" role="dialog" aria-modal="true" tabindex="-1" onclick={(e) => e.stopPropagation()}>
{#if title}<h2>{title}</h2>{/if}
{@render children?.()}
</div>
</div>
<style>
.backdrop {
position: fixed;
left: 0;
right: 0;
top: 0;
/* Base fallback; overridden inline to the visual-viewport height/top so the
backdrop (and the centred sheet) stay above an open mobile keyboard. */
height: 100dvh;
box-sizing: border-box;
background: rgba(0, 0, 0, 0.45);
display: flex;
align-items: center;
justify-content: center;
padding: 16px;
z-index: 40;
}
/* Overlay mode: top-anchor the (small) sheet and don't track the keyboard, so the
soft keyboard overlays the empty lower area without resizing/relaying out. */
.backdrop.overlay {
align-items: flex-start;
padding-top: 12vh;
}
.sheet {
background: var(--surface);
color: var(--text);
border: 1px solid var(--border);
border-radius: var(--radius);
box-shadow: var(--shadow);
padding: var(--pad);
width: min(94vw, 420px);
/* dvh tracks the dynamic viewport, so the sheet shrinks above an open mobile
keyboard instead of being scrolled off the top (vh fallback first). */
max-height: 86vh;
max-height: 86dvh;
overflow: auto;
}
h2 {
margin: 0 0 10px;
font-size: 1.05rem;
}
</style>