[Bug 26362] New: [Regression] Missing taskbar icon for "Progress Appbuilder"

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=26362

           Summary: [Regression] Missing taskbar icon for "Progress
                    Appbuilder"
           Product: Wine
           Version: 1.3.14
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: P2
         Component: winex11.drv
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: wine at cardot.net


The software I'm running is prowin32.exe (version 9.1E), which is the Progress
client environment (http://www.progress.com). This is a proprietary development
environment. I don't think there is a demo version.

I'm running the OpenEdge development environment, named Appbuilder.

The regresion is that there is no more icon in the taskbar (tested in KDE4 &
icewm), as there used to be.

As I've not used Progress during a quite long while I had to perform a large
bisection in order to find the problem. This took me a lot of time because I'm
still using an old Athlon XP 2600+...

This is a very annoying problem, as if the window gets minimised it's difficult
to restore (and even to know it is running!)

Well, it appears that the problem is caused by:

[fred at localhost wine-git ((81c4b41...)|BISECTING)]$ git bisect good
61e50e15ba45ad54655f98619f5ef33917033165 is the first bad commit
commit 61e50e15ba45ad54655f98619f5ef33917033165
Author: Alexandre Julliard <julliard at winehq.org>
Date:   Fri May 28 12:14:43 2010 +0200

    winex11: Map zero-size windows and set an empty window region for them.

:040000 040000 0cd582f85f7d71a7d4e30cb8b72960adb21d1b45
ea860ce19c87870924dd968c600191b0c088cff0 M      dlls

which appeared around Wine 1.2-rc1. It makes sense from what I read from the
patch, as it seems to me the owner window is an empty window: when using wine
1.3.14, I can see it in KDE4 when cycling through the applications with
ALT-TAB: I see a window named "Progress", which is not in fact visible. Whereas
with my last "good" compiled version, this "window" is not present, I can see
only "Appbuilder".

I have development skills and wish to help in solving this bug. I'm ready to
answer any question & perform any test you will need.

Thanks in advance

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