[Bug 59927] New: win32u: SystemParametersInfo returns failure for SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory launch)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59927

            Bug ID: 59927
           Summary: win32u: SystemParametersInfo returns failure for
                    SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory
                    launch)
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: win32u
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

MapleStory (Steam app 216150) calls SystemParametersInfo with SPI_SETSTICKYKEYS
and SPI_SETFILTERKEYS at launch to disable those accessibility features. In
Wine, both SET actions are only stubbed through WINE_SPI_FIXME
(dlls/win32u/sysparams.c), which logs and returns failure. The failed calls
contribute to the game failing to launch.

The corresponding GET actions (SPI_GETSTICKYKEYS, SPI_GETFILTERKEYS) are
implemented (return zeroed structs + success), but the SET actions are not.

Suggested fix: switch the two stubs from WINE_SPI_FIXME to WINE_SPI_WARN, which
logs and returns success — matching how Wine already handles other
unimplemented SET actions such as SPI_SETANIMATION and SPI_LANGDRIVER. The
settings are not actually applied (Wine has no host accessibility integration
on this path), only accepted.

Patch attached.

Reproduce:
1. Steam -> MapleStory (216150) under any recent Wine/Proton.
2. Launch -> the accessibility SPI calls fail; contributes to the launch
failure.

(See also bug 59926 for the related kernelbase CharPrevExA NULL-deref crash
that also blocks MapleStory launch.)

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[Bug 59927] win32u: SystemParametersInfo returns failure for SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory launch)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59927

--- Comment #1 from James M <[e-mail]> ---
Created attachment 81266
  --> http://bugs.winehq.org/attachment.cgi?id=81266
0001-win32u-SPI-SETKEYS-warn.patch

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[Bug 59927] win32u: SystemParametersInfo returns failure for SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory launch)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59927

Ken Sharp <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |normal

--- Comment #2 from Ken Sharp <[e-mail]> ---
Which version of Wine?

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[Bug 59927] win32u: SystemParametersInfo returns failure for SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory launch)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59927

--- Comment #3 from James M <[e-mail]> ---
 wine-11.0 (Staging)

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[Bug 59927] win32u: SystemParametersInfo returns failure for SPI_SETSTICKYKEYS/SPI_SETFILTERKEYS (MapleStory launch)

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=59927

Hendi <[e-mail]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[e-mail]

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