[Bug 52327] New: Wrong WM_CONTEXTMENU default message processing

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52327

Bug ID: 52327
           Summary: Wrong WM_CONTEXTMENU default message processing
           Product: Wine-staging
           Version: 7.0-rc3
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
                CC: [e-mail], [e-mail]
      Distribution: ---

wine_master\dlls\user32\defwnd.c:323

wParam must point to _current_ child window hwnd when default process this
message.

https://docs.microsoft.com/en-us/windows/win32/menurc/wm-contextmenu

case WM_CONTEXTMENU:
 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
   SendMessageW( GetParent(hwnd), msg, wParam, lParam );<=wParam must be this
hwnd
 else

--------------------------------------------------------------

case WM_CONTEXTMENU:
        if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)
            SendMessageW( GetParent(hwnd), msg, (WPARAM)hwnd, lParam );
        else