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List:       kde-devel
Subject:    Re: What prevents QWidget to be shown big from startup on ?
From:       Lubos Lunak <l.lunak () suse ! cz>
Date:       2006-06-24 22:55:30
Message-ID: 200606250055.30118.l.lunak () suse ! cz
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On Thursday 22 June 2006 08:23, Benrhard Schiffner wrote:
> Hallo,
>
> 1. I create a toplevel QWidget.
> 2. I resize(2048, 768); it to the reported size of my virtual Desktop.
> 3. I show (); it.
> And now:
> 5. It's shown in (1024, 768) on the right(!) screen.
>
> What goes on here?
>
> 6. If I try this with a little bit smaller sizes it's shown only at one
> screen (left!).
> 7. If I try this with initial sizes smaller then one screen, I can resize
> it later by mouse to 2048,768.
>
> This is with KDE 3.5.3.
> I think something in KWin is broken / has changed.

 No, it works perfectly as it should. You have Xinerama and you have it 
configured to place new windows only on one screen. So when you show a normal 
window KWin resizes it to fit and places it on the Xinerama screen where the 
center of that window is (since you also specified position).

> You find this scenario in .../kdegraphics/ksnapshot/regiongrabber.cpp,
> lines 87 ff. (see below). This behavior is base for
> http://bugs.kde.org/show_bug.cgi?id=72118
> and perhaps others.

 You probably just need WX11BypassWM on that window since it seems to be a 
special window that shouldn't be managed by KWin at all.

-- 
Lubos Lunak
KDE developer
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