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List:       kde-devel
Subject:    Re: Fwd: XCreateWindow - Invisible ??
From:       thibaut colar <tcolar () qarbon ! com>
Date:       2001-03-07 2:33:44
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----------  Forwarded Message  ----------
Subject: Re: Fwd: XCreateWindow - Invisible ??
Date: Tue, 6 Mar 2001 17:14:47 -0800
From: thibaut colar <tcolar@qarbon.com>
To: Rik Hemsley <rik@kde.org>


Some more explanations:

Our program is used to take screenshot of an application or wm,
What it does is draw a rectangle on the background (desktop/walpaper),
this is the screen capture area.
It also open a small window which are some controls, like end screenshot
session.
Then the user place the traget application in the capture area and press the
"pause" key or other if the user choose another one, to take screenshots.

It works fine with gnome wmaker and cde under mandrake, redhat and solaris.

With kde2.0 The problem was that the screenshot area rectangle didn't appear,
because it was under the desktop window, this is fixed by the vroot.h
(someone from kde explained me that), however it was still not working in
kde2.0 because of some bug fixed since2.1.

It was working pretty good with mandrake 7.2 and kde2.1 together.

We need to release our product with mandrake 8.0
So i'm now testing on mdk 8.0 beta (iso) which includes kde 2.1
The scapture area rectangle is there but the window doesn't show up ?
Also it looks like I don't get the key events anymore through other
applications (event hook) ,  what's going on ??
btw: I did recompile under 8.0

Thank you.

On Tuesday 06 March 2001 15:29, you wrote:
> #if thibaut colar
>
> > Hi, I have a problem using XcreateWindow()
> > under gnome or other it works, but with kde it doesn't work (I guess it's
> > just not visible but alive)
>
> XCreateWindow() does not create a visible window. If you want to see it,
> you have to call XMapWindow().
>
> > I am using kde 2.1 and the vroot.h hack already.
>
> What's 'the vroot.h hack' ?
>
> > I saw some messages about visibility XCreateWindow and LD_PRELOAD
> > Does it have anything to do with my problem ?
> > How can I fix that ?
>
> Nothing going on there. We used to use LD_PRELOAD to override some
> X functions (like XMapWindow()) a long time ago, but there was no
> KDE release with this code in. I took it out before release.
>
> I think maybe Gnome might now be using an LD_PRELOAD hack like we
> used to. This was discussed on the gnome-kde mailing list a while
> ago. At least one person thought it was a good idea. I tried to
> persuade them otherwise, but maybe I failed.
>
> Rik

--
***************************************
Thibaut Colar (tcolar@qarbon.com)
Lead Java Developer
Qarbon.com
84 West Santa Clara st.
Suite 890, San jose. 95113 CA.
http://www.qarbon.com/
T: 408 792 3800 x 227
***************************************

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

-- 
***************************************
Thibaut Colar (tcolar@qarbon.com)
Lead Java Developer
Qarbon.com
84 West Santa Clara st.
Suite 890, San jose. 95113 CA.
http://www.qarbon.com/
T: 408 792 3800 x 227
***************************************

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