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feat(ui): D.5.3/B.2 — spine: drag-lift hook + ghost snapshot (full opacity) + drop-on-hit-only

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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-06-20 15:22:27 +02:00
parent a497cc631e
commit 41bb70c11a
5 changed files with 84 additions and 26 deletions
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10
src/AcDream.App/UI/UiItemSlot.cs
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@ -159,7 +159,11 @@ public sealed class UiItemSlot : UiElement
return true;
case UiEventType.DragBegin:
return true; // we're the source; payload already pulled by UiRoot
// Notify the source list's handler so it can lift (remove + wire) — retail
// RecvNotice_ItemListBeginDrag → RemoveShortcut. UiRoot snapshotted the ghost first.
if (FindList() is { DragHandler: { } lh } liftList && e.Payload is ItemDragPayload lp)
lh.OnDragLift(liftList, this, lp);
return true;
case UiEventType.DragEnter: // pointer entered me mid-drag → ask the list's handler
_dragAccept = (FindList() is { DragHandler: { } h } list
@ -173,9 +177,7 @@ public sealed class UiItemSlot : UiElement
case UiEventType.DropReleased:
_dragAccept = DragAcceptState.None;
if (e.Data0 == 1 // accepted = dropped on a DIFFERENT element (skips self/empty)
&& FindList() is { DragHandler: { } dh } dl
&& e.Payload is ItemDragPayload dp)
if (FindList() is { DragHandler: { } dh } dl && e.Payload is ItemDragPayload dp)
dh.HandleDropRelease(dl, this, dp);
return true;
}