Popover

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A panel that opens next to the clicked control, like a native menu, without dimming the whole screen. Present it with showKasyPopover, passing the trigger's BuildContext — no LayerLink needed at the call site.

• placement: the side it opens toward — bottom (default), top, left, or right. Each side flips to the opposite one when space is tight.
• align: cross-axis alignment (for top/bottom) — start, end, or center.
• width: fixed panel width (default 220).
• gap: distance between the panel and the trigger (default 6).
• builder: builds the panel's raw content; KasyPopoverSurface (the radius/border/shadow chrome) is applied automatically.

Closes on outside tap or Esc; always respects the viewport margins. It's the foundation used by KasyMenu in its popover presentation.

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Last updated on 11/03/2026