pfUIScrollFrameTemplate (api/ui-widgets.xml) is a ScrollFrame with
pfUIScrollBarTemplate inside its right edge and a Content scroll child,
driven by ScrollUtil.InitScrollFrameWithScrollBar. The panels keep a
ScrollFrame because the engine measures its range from the shown frames
inside the content, which the hand-placed config rows rely on. The bar
follows OnScrollRangeChanged instead of an OnUpdate poll per panel.
A panel measures its range once its rows are built, and the search
results measure theirs with UpdateScrollChildRect instead of hiding,
re-attaching and scrolling a frame later. Clearing the search measures
again too.
CreateScrollFrame and CreateScrollChild have no users left, and nothing
called CreateTabFrame or CreateTabChild; all four are gone. pfQuest's
compat layer brings its own copies of the scroll helpers.
Brues
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