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[0.4.14][WIN32SS] Repaint the whole window frame on some style bits set (#3199)

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This fixes the ReactOS Calculator buttons disappearing in CORE-16827

It once regressed by 0.4.13-dev-221-g
2161dd85dc
which did aim to fix CORE-15934.
Noteworthy that releases/0.4.12 was never affected although I fixed CORE-15934
there as well, but *not* with the fix that went into master later!

fix picked from commit 0.4.15-dev-1197-g
8081ba9332
This commit is contained in:
Doug Lyons 2020-10-24 14:35:45 -05:00 • committed by Joachim Henze
parent fcf855770c
commit 286bfe92b2
1 changed files with 19 additions and 7 deletions
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26
win32ss/user/ntuser/winpos.c
View file

@ -2117,13 +2117,25 @@ co_WinPosSetWindowPos(
if ( !(pwnd->style & WS_CHILD) ) if ( !(pwnd->style & WS_CHILD) )
{ {
HRGN DcRgn = NtGdiCreateRectRgn(0, 0, 0, 0); /*
PREGION DcRgnObj = REGION_LockRgn(DcRgn); * Check if we have these specific windows style bits set/reset.
TRACE("SWP_FRAMECHANGED win %p hRgn %p\n",pwnd, DcRgn); * FIXME: There may be other combinations of styles that need this handling as well.
IntGdiCombineRgn(DcRgnObj, VisBefore, NULL, RGN_COPY); * This fixes the ReactOS Calculator buttons disappearing in CORE-16827.
REGION_UnlockRgn(DcRgnObj); */
ForceNCPaintErase(pwnd, DcRgn, DcRgnObj); if ((Window->style & WS_CLIPSIBLINGS) && !(Window->style & (WS_POPUP | WS_CLIPCHILDREN | WS_SIZEBOX)))
GreDeleteObject(DcRgn); {
IntSendNCPaint(pwnd, HRGN_WINDOW); // Paint the whole frame.
}
else // Use region handling
{
HRGN DcRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
PREGION DcRgnObj = REGION_LockRgn(DcRgn);
TRACE("SWP_FRAMECHANGED win %p hRgn %p\n",pwnd, DcRgn);
IntGdiCombineRgn(DcRgnObj, VisBefore, NULL, RGN_COPY);
REGION_UnlockRgn(DcRgnObj);
ForceNCPaintErase(pwnd, DcRgn, DcRgnObj);
GreDeleteObject(DcRgn);
}
} }
} }
} }