[reactos] 01/01: [WIN32SS] Store the scrollbar theming enabled flag in the scrollbar

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=fd28a69de63f1a801384e…

commit fd28a69de63f1a801384e3d6c5675189aa82455e
Author:     Mark Jansen <mark.jansen(a)reactos.org>
AuthorDate: Wed Feb 16 18:41:43 2022 +0100
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Wed Feb 16 18:43:32 2022 +0100

    [WIN32SS] Store the scrollbar theming enabled flag in the scrollbar
    
    This ensure we do not rely on usermode for always passing this flag in,
    which is a ReactOS specific flag.
    Thanks to Doug Lyons for finding the source of the problem.
    CORE-17780
---
 win32ss/user/ntuser/scrollbar.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/win32ss/user/ntuser/scrollbar.c b/win32ss/user/ntuser/scrollbar.c
index e4e0ba436af..9d5e4005dcb 100644
--- a/win32ss/user/ntuser/scrollbar.c
+++ b/win32ss/user/ntuser/scrollbar.c
@@ -528,6 +528,11 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL
bRedraw)
    Info = IntGetScrollInfoFromWindow(Window, nBar);
    pSBData = IntGetSBData(Window, nBar);
 
+   if (lpsi->fMask & SIF_THEMED && !(Info->fMask & SIF_THEMED))
+   {
+       Info->fMask |= SIF_THEMED;
+   }
+
    /* Set the page size */
    if (lpsi->fMask & SIF_PAGE)
    {
@@ -660,7 +665,7 @@ co_IntSetScrollInfo(PWND Window, INT nBar, LPCSCROLLINFO lpsi, BOOL
bRedraw)
             return lpsi->fMask & SIF_PREVIOUSPOS ? OldPos : pSBData->pos; /*
SetWindowPos() already did the painting */
       if (bRedraw)
       {
-         if (!(lpsi->fMask & SIF_THEMED)) /* Not Using Themes */
+         if (!(Info->fMask & SIF_THEMED)) /* Not Using Themes */
          {
             TRACE("Not using themes.\n");
             if (action & SA_SSI_REPAINT_ARROWS)