[WIN32SS][NTUSER] Fix ScrollWindowEx SW_SCROLLCHILDREN (#2327)

Based on the patch of I_Kill_Bugs of JIRA user. CORE-16687, CORE-12114

diff --git a/win32ss/user/ntuser/scrollex.c b/win32ss/user/ntuser/scrollex.c
index c344cec..82f248e 100644 (file)
--- a/win32ss/user/ntuser/scrollex.c
+++ b/win32ss/user/ntuser/scrollex.c
@@ -385,6 +385,10 @@ IntScrollWindowEx(
          rcChild = Child->rcWindow;
          RECTL_vOffsetRect(&rcChild, -ClientOrigin.x, -ClientOrigin.y);
 
          rcChild = Child->rcWindow;
          RECTL_vOffsetRect(&rcChild, -ClientOrigin.x, -ClientOrigin.y);
 

+         /* Adjust window positions */
+         RECTL_vOffsetRect(&Child->rcWindow, dx, dy);
+         RECTL_vOffsetRect(&Child->rcClient, dx, dy);
+

          if (!prcScroll || RECTL_bIntersectRect(&rcDummy, &rcChild, &rcScroll))
          {
             UserRefObjectCo(Child, &WndRef);
          if (!prcScroll || RECTL_bIntersectRect(&rcDummy, &rcChild, &rcScroll))
          {
             UserRefObjectCo(Child, &WndRef);