[vtkusers] VTK with Qt 4.2.1

[Clinton Stimpson]

I ran into the same problem.
It is a bug in Qt 4.2.0 and 4.2.1.  Trolltech has a fix in the soon to 
be released 4.2.2.  The latest snapshots have the fix too.
I've got more details about the problem if you need to know more.

Clint

> Hi all,
>
> I just installed Qt 4.2.1 along side my 4.1.4 version and ran a very simple
> program. I am using VTK along with Qt and this worked without any problems
> before.
>
> However, when I run the program now, I get the following error:
>
> X Error: BadWindow (invalid Window parameter) 3
>  Major opcode: 3 (X_GetWindowAttributes)
>  Resource id:  0x0
> X Error: BadValue (integer parameter out of range for operation) 2
>  Major opcode: 1 (X_CreateWindow)
>  Resource id:  0x0
> X Error: BadWindow (invalid Window parameter) 3
>  Major opcode: 20 (X_GetProperty)
>  Resource id:  0x0
> X Error: BadWindow (invalid Window parameter) 3
>  Major opcode: 3 (X_GetWindowAttributes)
>  Resource id:  0x3c00002
> Segmentation fault
>
> This happens when I call the QVTKWidget SetRenderWindow method. Has anything
>
> substantial changed that could cause this error?
>
> Anyone else here using Qt 4.2.1 successfully with VTK?
>
> Cheers,
>
> Anja