https://git.reactos.org/?p=reactos.git;a=commitdiff;h=bc90cbbb88f1b845a230cf5e5b331a8b5f8f0871
commit bc90cbbb88f1b845a230cf5e5b331a8b5f8f0871 Author: Dmitry Borisov <[email protected]> AuthorDate: Sat Oct 31 01:06:30 2020 +0600 Commit: Stanislav Motylkov <[email protected]> CommitDate: Sun Dec 20 23:12:30 2020 +0300 [WIN32K:NTUSER] Fix gradient caption bars with low color depth (#3338) This fixes a problem when the window title bar is dithered down to the 16- or 256-color palette. See also commit 0705f30. --- win32ss/user/ntuser/sysparams.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/win32ss/user/ntuser/sysparams.c b/win32ss/user/ntuser/sysparams.c index 3907b17aff7..32b62cc026f 100644 --- a/win32ss/user/ntuser/sysparams.c +++ b/win32ss/user/ntuser/sysparams.c @@ -1583,7 +1583,17 @@ SpiGetSet(UINT uiAction, UINT uiParam, PVOID pvParam, FLONG fl) return SpiSetUserPref(UPM_LISTBOXSMOOTHSCROLLING, pvParam, fl); case SPI_GETGRADIENTCAPTIONS: - return SpiGetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl); + { + if (NtGdiGetDeviceCaps(ScreenDeviceContext, BITSPIXEL) <= 8) + { + INT iValue = 0; + return SpiGetInt(pvParam, &iValue, fl); + } + else + { + return SpiGetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl); + } + } case SPI_SETGRADIENTCAPTIONS: return SpiSetUserPref(UPM_GRADIENTCAPTIONS, pvParam, fl);
