[Bug 4434] New: The window of Word 95 is restored immediately when minimizing it

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=4434

           Summary: The window of Word 95 is restored immediately when
                    minimizing it
           Product: Wine
           Version: CVS
          Platform: Other
        OS/Version: other
            Status: NEW
          Keywords: download, source
          Severity: normal
          Priority: P2
         Component: wine-x11driver
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: hallo at michael-kaufmann.ch


If you try to minimize the window of Microsoft Word 95, it reappears immediately.

This mainly happens because Word 95 calls SetWindowLong twice in its
WM_NCACTIVATE handler: The first time it removes the WS_VISIBLE style, the
second time it adds this style again.

There are two problems:
 - The X11 driver updates the X11 window's style when Word 95 changes the
WS_VISIBLE style (in dlls/x11drv/winpos.c: X11DRV_SetWindowStyle). Because the
window gets mapped when Word 95 restores the WS_VISIBLE style, the window
appears again.

 - The X11 driver doesn't know that the window has been minimized when it sends
the WM_NCACTIVATE notification. It receives the FocusOut event before the
UnmapNotify event. The WM_NCACTIVATE notification gets sent by the FocusOut
event. The FocusOut event handler calls SetForegroundWindow(0), and this
function calls set_active_window (dlls/user/focus.c), which finally sends the
WM_NCACTIVATE notification.

I'll attach a demo program with source.

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