fix(ui): port retail window control feedback
Map synthetic move and resize affordances to the exact DAT cursors, make chat top chrome movable, and replace stale primary-panel height caps with a dynamic screen-edge constraint. This keeps the retained wrapper adaptation aligned with retail Dragbar/Resizebar behavior.
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Erik
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16 changed files with 578 additions and 27 deletions
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@ -78,6 +78,36 @@ Magic are children of one `gmPanelUI`. The switch changes child visibility;
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there is no child move and no per-panel top-level position. Dragging the parent
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therefore moves the one position subsequently used by every child.
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## Resize follow-up
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The production end-of-retail LayoutDesc supplies the missing geometry oracle:
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```text
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LayoutDesc 0x2100006E
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gmPanelUI host 0x100005FE 310 x 372
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content parent 0x10000180 300 x 362, anchored on all edges
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Inventory child 0x1000018B 300 x 362, anchored on all edges
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Character child 0x1000018E 300 x 362, anchored on all edges
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Magic child 0x10000190 300 x 362, anchored on all edges
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top-center 0x1000065C Type 2 Dragbar, cursor 0x06006119
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bottom-center 0x10000660 Type 9 Resizebar, cursor 0x06005E66
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```
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Every primary child therefore participates in the shared host's vertical
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resize; Magic is not a fixed-height exception. Named
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`gmPanelUI::ResizeTo @ 0x004BC6E0` delegates directly to
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`UIElement::ResizeTo @ 0x00463C30`, whose only size limits are effective DAT
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properties `0x3C..0x3F`. There is no retail 760-pixel Character limit and no
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maximum captured from the host's original screen position.
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acdream retains independent wrappers under IA-12, so the faithful adaptation
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is to give each primary wrapper the same bottom-only vertical resize policy,
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leave its maximum unbounded by an authored substitute, and calculate the
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available desktop extent from its current position during the resize. The
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viewport remains the physical limit; an old static maximum must not become a
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smaller limit after the shared panel moves.
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## acdream port shape
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acdream imports these child LayoutDesc roots independently, so each currently
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@ -105,7 +135,9 @@ The controller owns this synchronization and subscribes to typed
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`RetailWindowHandle.Moved` events. Toolbar commands, keyboard commands,
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restore-previous effects, persistence restore, and direct window dragging all
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therefore pass through the same owner. Panel-authored size/resize policy stays
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with the active child; only the retail parent placement is shared.
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with the active child, but the three primary wrappers apply the shared host's
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same vertical resize contract; only placement is synchronized between the
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independent frames.
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ACE contains no client UI implementation, and the in-tree WorldBuilder
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reference contains no `gmPanelUI` port, so neither supplies a competing
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@ -0,0 +1,137 @@
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# Retail window-control cursor pseudocode
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Date: 2026-07-17
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## Question
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Which cursors does the end-of-retail client show while hovering or operating
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window dragbars and resizebars, and how are they selected?
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## Named-retail mechanism
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### Widget cursor ownership
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```text
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MediaMachine::Update_Cursor(owner, cursorMedia) // 0x00465A80
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if cursorMedia.file is valid
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owner.SetCursor(file, hotspotX, hotspotY)
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else
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owner.UnSetCursor()
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UIElement::SetCursor(file, hotspotX, hotspotY) // 0x0045FF50
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m_cursorDID = file
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m_cursorHotX = hotspotX
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m_cursorHotY = hotspotY
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UIElementManager.CheckCursor()
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UIElementManager::CheckCursor() // 0x0045ABF0
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if mouseCapture != null and mouseCapture.HasCursor()
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apply mouseCapture cursor
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else if lastEntered != null and lastEntered.HasCursor()
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apply lastEntered cursor
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else
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apply ClientUISystem default cursor
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```
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The important ownership rule is that the captured widget wins. A resize or
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move cursor therefore remains visible after the pointer leaves the original
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five-pixel control while the button is still held.
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### Window controls
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```text
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UIElement_Resizebar::StartMouseResizing(point) // 0x0046B7E0
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parent = GetParent()
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edge = authored Left/Right/Top/Bottom attributes
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m_mousePressed = true
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parent.StartResizing(edge, point.x, point.y)
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SetState(Pressed)
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UIElement_Resizebar::StopMouseResizing() // 0x0046B8C0
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SetState(Normal)
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m_mousePressed = false
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GetParent().StopResizing()
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UIElement_Dragbar::StartMouseMoving(message) // 0x0046C760
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if primary mouse button and parent is not already moving/resizing
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m_mousePressed = true
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parent.StartMovement(message.windowX, message.windowY)
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SetState(Pressed)
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UIElement_Dragbar::StopMouseMoving(message) // 0x0046C7C0
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if pressed and primary mouse button
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SetState(Normal)
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m_mousePressed = false
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GetParent().StopMovement()
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```
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Dragbar and Resizebar do not synthesize OS cursors in these methods. Their
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LayoutDesc state media supplies `MD_Data_Cursor`; the generic
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`MediaMachine::Update_Cursor` path above installs it on the element.
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## Installed end-of-retail DAT oracle
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The production LayoutDesc records and portal DAT resolve these direct cursor
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surfaces, all with hotspot `(16, 16)` pixels:
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| Intent | RenderSurface DID | Observed authored use |
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|---|---:|---|
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| Move window | `0x06006119` | Type-2 Dragbar controls |
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| Resize vertically | `0x06005E66` | horizontal Type-9 Resizebar (main chat top edge and combat bottom edge) |
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| Resize horizontally | `0x06006128` | vertical Type-9 Resizebar |
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| Resize NW-SE | `0x06006126` | top-left and bottom-right Type-9 corners |
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| Resize NE-SW | `0x06006127` | bottom-left / opposite diagonal Type-9 corner |
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All five surfaces are 32×32 `PFID_A8R8G8B8` cursor images. Representative
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LayoutDesc fixtures independently preserve the same media:
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- main chat `0x21000006`, element `0x1000000F`: vertical cursor
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`0x06005E66` at `(16,16)`;
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- combat `0x21000073`, Dragbar `0x100006AE`: move cursor
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`0x06006119` at `(16,16)`;
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- combat corner/edge Resizebars: `0x06006126..0x06006128`.
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`DatReaderWriter` supplies these cursor records through the existing
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LayoutDesc media decode. WorldBuilder's backend exposes the same architectural
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boundary (`SetCursor(cursorDataId, hotspot)`) but leaves it unimplemented; it
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does not provide a competing behavior interpretation.
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## acdream root cause and port
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`UiRoot` already computes the active or hovered resize edges and window-move
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ownership. `CursorFeedbackController` already translates those states into
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`WindowMove`, `ResizeHorizontal`, `ResizeVertical`, and the two diagonal
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semantic kinds. However, `RetailCursorManager` renders only a valid
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`UiCursorMedia` override or the `ClientUISystem` global cursor. The semantic
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window-control kind was never converted to media, so synthetic wrapper borders
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and whole-window drag regions retained the normal pointer.
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Port shape:
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```text
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ResolveWindowControlCursor(kind):
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WindowMove -> 0x06006119 @ (16,16)
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ResizeHorizontal -> 0x06006128 @ (16,16)
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ResizeVertical -> 0x06005E66 @ (16,16)
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ResizeDiagonalNWSE -> 0x06006126 @ (16,16)
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ResizeDiagonalNESW -> 0x06006127 @ (16,16)
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UpdateCursor(root):
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kind = resolve semantic interaction state
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authored = captured-or-hovered element cursor, using retail precedence
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if a synthetic resize edge owns the pointer or a resize/move operation owns capture
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cursor = ResolveWindowControlCursor(kind)
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else if authored is valid
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cursor = authored
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else
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cursor = ResolveWindowControlCursor(kind)
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render cursor; otherwise retain the ClientUISystem global cursor
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```
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Authored widget media therefore remains the first hover-time oracle. The
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shared fallback exists for retained wrapper borders and the accepted IA-12
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whole-window drag adaptation, which have no authored Dragbar/Resizebar child.
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Once a synthetic operation starts, its control cursor wins just as retail's
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captured Dragbar or Resizebar wins.
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