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Agentic UI: fix resizer for chat input #4301

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Merged
nightnei merged 2 commits into from
Jul 23, 2026
Merged

Agentic UI: fix resizer for chat input #4301

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1454f00
Agentic UI: fix resizer for chat input
nightnei Jul 22, 2026
b01b688
Address feedback
nightnei Jul 23, 2026
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4 changes: 3 additions & 1 deletion apps/ui/src/ui-classic/components/session-view/composer/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -792,7 +792,9 @@ export const Composer = forwardRef< ComposerHandle, ComposerProps >( function Co
onPointerCancel={ finishComposerResize }
onLostPointerCapture={ finishComposerResize }
onKeyDown={ handleComposerResizeKeyDown }
/>
>
<span className={ styles.resizeHandleIndicator } aria-hidden="true" />
</div>
{ isDraggingOver ? (
<div className={ styles.dropOverlay } aria-hidden="true">
{ __( 'Drop files to attach' ) }
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23 changes: 18 additions & 5 deletions apps/ui/src/ui-classic/components/session-view/composer/style.module.css
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Expand Up @@ -32,7 +32,7 @@
transition: outline-color 80ms ease, outline-width 80ms ease;
}

.shell:focus-within {
.shell:focus-within:not(:has(.resizeHandle:focus-visible)) {
background-color: var(--wpds-color-bg-surface-neutral-strong);
background-image: none;
backdrop-filter: none;
Expand All @@ -58,16 +58,29 @@
right: var(--composer-inline-padding);
left: var(--composer-inline-padding);
z-index: 20;
display: flex;
align-items: center;
justify-content: center;
height: 10px;
cursor: ns-resize;
touch-action: none;
outline: none;
-webkit-app-region: no-drag;
}

.resizeHandle:focus-visible {
border-radius: 999px;
outline: 2px solid var(--composer-focus-ring);
outline-offset: 2px;
/* Thin full-width line that lights up on hover, keyboard focus, and while dragging. */
.resizeHandleIndicator {
width: 100%;
height: 2px;
background-color: var(--wpds-color-stroke-interactive-brand, #2563eb);
opacity: 0;
transition: opacity 120ms ease;
}

.resizeHandle:hover .resizeHandleIndicator,
.resizeHandle:focus-visible .resizeHandleIndicator,
.shellResizing .resizeHandleIndicator {
opacity: 1;
}

.dropOverlay {
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