[vtkusers] disappearing windows in Java w/vtk

[Shyam Prakash]

Chris,
	This is the problem of mixing lightweight and heavyweight java
components. vtkCanvas extends java.awt.Canvas and hence it is a
heavyweight component where as all your swing components are
lightweight. The heavy weight components do not follow the z-buffer
order and they always remain on top. Follow these links and you can find
more information.

http://java.sun.com/products/jfc/tsc/articles/mixing/

http://www-106.ibm.com/developerworks/java/library/j-heavy.html

http://www.j3d.org/faq/swing.html#tabs

http://www.j3d.org/tutorials/quick_fix/swing.html

--Shyam


> -----Original Message-----
> From: vtkusers-admin at vtk.org [mailto:vtkusers-admin at vtk.org] On Behalf
Of
> Christopher M. Navarro
> Sent: Wednesday, December 10, 2003 4:56 AM
> To: vtkusers at vtk.org
> Subject: [vtkusers] disappearing windows in Java w/vtk
> 
> 
> I have a JFrame that contains a vtkCanvas object and then another
JFrame
> that has a control window with widgets for turning things on and off,
etc.
> The problem I am having shows up on my Windows XP system where if I
move
> the control palette frame over the frame that contains the vtkCanvas
> object and then move the mouse out of the palette frame and into the
frame
> containing the vtkCanvas, the palette frame disappears behind the
frame
> containing the vtk object(s).  I'm pretty sure its a window management
> thing since on my linux box I don't have this problem.  It gets pretty
> annoying when you have to move things around so that the vtk frame
doesn't
> hide other windows or you will lose visibility of them when they lose
> focus.  Is there something on the java side that can keep this from
> happening?  It would be nice to be able to have one window over
another
> and have it stay that way when the focus moves to the vtkframe so
> multiple windows can be seen without them being completely separated.
> I've thought about doing something like TestInternalFrames.java but I
was
> wondering if there is a quicker fix.  Thanks.
> 
> p.s. using a recent vtk nightly on redhat 9 & windows xp as my test
> systems.
> 
> regards,
> 
> chris
> 
> 
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