[Git][wine/wine][master] 3 commits: comctl32/tests: Add tests for toolbar WM_ERASEBKGND handling.

[Alexandre Julliard (＠julliard)]

Alexandre Julliard pushed to branch master at wine / wine


Commits:
deb46929 by Zhiyi Zhang at 2025-11-17T11:00:26-06:00
comctl32/tests: Add tests for toolbar WM_ERASEBKGND handling.

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0d0932bf by Zhiyi Zhang at 2025-11-17T11:00:26-06:00
comctl32/tests: Add tests for toolbar WM_PAINT handling.

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f21e5d5a by Zhiyi Zhang at 2025-11-17T11:00:27-06:00
comctl32/toolbar: Erase the background in TOOLBAR_Refresh() when TBSTYLE_TRANSPARENT is present for comctl32 v6.

Comctl32 v6 erases the background when TBSTYLE_TRANSPARENT is present when handling WM_PAINT, not
when handling WM_ERASEBKGND. WxWidgets relies on this behavior to draw the toolbar background.
Please see https://github.com/wxWidgets/wxWidgets/blob/v2.9.4/src/msw/toolbar.cpp#L1805.

Fix tlReader 10.1.0.2004 toolbar broken rendering after 5e70fef5. After the commit, the comctl32 v6
version is properly reported and wxWidgets decides to use a comctl32 v6 specific code path.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58800

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2 changed files:

- dlls/comctl32/tests/toolbar.c
- dlls/comctl32/toolbar.c


View it on GitLab: https://gitlab.winehq.org/wine/wine/-/compare/fb0fc60855dd2836608c748412e0a8...

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View it on GitLab: https://gitlab.winehq.org/wine/wine/-/compare/fb0fc60855dd2836608c748412e0a8...
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