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[NTUSER] Use call procedure handle if available (#4178)

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Based on I_Kill_Bugs' patch.
- Use IsCallProcHandle to check if the procedure is a call procedure handle.
- If so, use the call procedure.
CORE-10499
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Katayama Hirofumi MZ 2021-12-23 11:53:18 +09:00 committed by GitHub
parent 52befa1d73
commit 051561ed17
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1 changed files with 11 additions and 1 deletions
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12
win32ss/user/ntuser/window.c
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@ -1623,6 +1623,7 @@ PWND FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
PTHREADINFO pti = NULL;
BOOL MenuChanged;
BOOL bUnicodeWindow;
PCALLPROCDATA pcpd;
pti = pdeskCreated ? gptiDesktopThread : GetW32ThreadInfo();
@ -1769,7 +1770,16 @@ PWND FASTCALL IntCreateWindow(CREATESTRUCTW* Cs,
see what problems this would cause. */
// Set WndProc from Class.
pWnd->lpfnWndProc = pWnd->pcls->lpfnWndProc;
if (IsCallProcHandle(pWnd->pcls->lpfnWndProc))
{
pcpd = UserGetObject(gHandleTable, pWnd->pcls->lpfnWndProc, TYPE_CALLPROC);
if (pcpd)
pWnd->lpfnWndProc = pcpd->pfnClientPrevious;
}
else
{
pWnd->lpfnWndProc = pWnd->pcls->lpfnWndProc;
}
// GetWindowProc, test for non server side default classes and set WndProc.
if ( pWnd->pcls->fnid <= FNID_GHOST && pWnd->pcls->fnid >= FNID_BUTTON )