Branch: refs/heads/webkitglib/2.52
Home: https://github.com/WebKit/WebKit
Commit: cf8e0e72f6f6e9e6561d6710df9a1113d7acd124
https://github.com/WebKit/WebKit/commit/cf8e0e72f6f6e9e6561d6710df9a1113d7acd124
Author: Kate Lee <[email protected]>
Date: 2026-05-22 (Fri, 22 May 2026)
Changed paths:
M LayoutTests/platform/gtk/TestExpectations
M LayoutTests/platform/wpe/TestExpectations
M Source/WebCore/platform/generic/ScrollbarsControllerGeneric.cpp
M Source/WebCore/platform/generic/ScrollbarsControllerGeneric.h
Log Message:
-----------
Cherry-pick 313719@main (ea6f507822be).
https://bugs.webkit.org/show_bug.cgi?id=315345
[GTK][WPE] Dynamic scrollbar-width changes are not repainted
https://bugs.webkit.org/show_bug.cgi?id=315345
Reviewed by Carlos Garcia Campos.
ScrollbarsControllerGeneric did not override scrollbarWidthChanged(),
so dynamic CSS scrollbar-width updates left the Scrollbar's m_widthStyle
and frameRect stale and the previous thickness kept being painted.
ScrollbarsControllerMac and RemoteScrollbarsController already do this.
Override scrollbarWidthChanged() in ScrollbarsControllerGeneric to call
updateScrollbarsThickness(), which re-reads scrollbarWidthStyle() on each
Scrollbar and resizes its frameRect via the theme.
* Source/WebCore/platform/generic/ScrollbarsControllerGeneric.h:
* Source/WebCore/platform/generic/ScrollbarsControllerGeneric.cpp:
(WebCore::ScrollbarsControllerGeneric::scrollbarWidthChanged):
* LayoutTests/platform/gtk/TestExpectations:
* LayoutTests/platform/wpe/TestExpectations:
Canonical link: https://commits.webkit.org/313719@main
Canonical link: https://commits.webkit.org/305877.663@webkitglib/2.52
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