java-gnome-developer

[Java-gnome-developer] Use of destroy()

[Laurent M. <la...@ao...>]

Hi,

I've spent a few hours tracking down a bug in my application. It
crashed the JVM when I used escape to close a dialog. It turned out I
had a DialogListener which called destroy() on the dialog. It was
really a bad idea because gtk still had references on this dialog. 

So I'm wondering if it's a good idea to have that destroy() method in
the java API. It does not seem to be used internally by java-gnome and
can only give opportunities to the java developper to crash the JVM. 

-- 
Laurent Martelli
la...@ao...                                Java Aspect Components
http://www.aopsys.com/                          http://jac.objectweb.org

Re: [Java-gnome-developer] Use of destroy()

[Mark H. <mh...@ti...>]

Is there any time we would want to call destroy? 
I think this is another example of the general bug that we need to look into
more detail about the relationship between java objects and gtk objects. How
should they be linked together. We've discussed it a lot in the past and made
great improvements, but perhaps we still don't have the best solution.

-- 
  .''`. Mark Howard
 : :' :
 `. `'  http://www.tildemh.com 
   `-   mh...@de... | mh...@ti... 

Re: [Java-gnome-developer] Use of destroy()

[Sean C. <exc...@gm...>]

I'm having great fun with destroy... let's me rebuild all the widgets
on a window when, during development, i want to refresh the gui coming
from an xml file... while the app is running.

On Wed, 27 Oct 2004 21:56:07 +0100, Mark Howard <mh...@ti...> wrote:
> Is there any time we would want to call destroy?
> I think this is another example of the general bug that we need to look into
> more detail about the relationship between java objects and gtk objects. How
> should they be linked together. We've discussed it a lot in the past and made
> great improvements, but perhaps we still don't have the best solution.
> 
> --
>   .''`. Mark Howard
>  : :' :
>  `. `'  http://www.tildemh.com
>    `-   mh...@de... | mh...@ti... 
> 
> 
> 
> 
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[Java-gnome-developer] Re: Use of destroy()

[Laurent M. <la...@ao...>]

>>>>> "Sean" == Sean Coughlan <exc...@gm...> writes:

  Sean> I'm having great fun with destroy... let's me rebuild all the
  Sean> widgets on a window when, during development, i want to
  Sean> refresh the gui coming from an xml file... while the app is
  Sean> running.

If you are rebuilding your gui, you need to "destroy" java objects
too. So a destroy called in finalize, and not accessible elsewhere
would work too I guess. 

  Sean> On Wed, 27 Oct 2004 21:56:07 +0100, Mark Howard
  Sean> <mh...@ti...> wrote:
  >> Is there any time we would want to call destroy?  I think this is
  >> another example of the general bug that we need to look into more
  >> detail about the relationship between java objects and gtk
  >> objects. How should they be linked together. We've discussed it a
  >> lot in the past and made great improvements, but perhaps we still
  >> don't have the best solution.
  >> 
  >> -- .''`. Mark Howard : :' : `. `' http://www.tildemh.com `-
  >> mh...@de... | mh...@ti...
  >> 
  >> 
  >> 
  >> 
  >> ------------------------------------------------------- This
  >> SF.Net email is sponsored by: Sybase ASE Linux Express Edition -
  >> download now for FREE LinuxWorld Reader's Choice Award Winner for
  >> best database on Linux.
  >> http://ads.osdn.com/?ad_id=5588&alloc_id=12065&op=click
  >> _______________________________________________
  >> java-gnome-developer mailing list
  >> jav...@li...
  >> https://lists.sourceforge.net/lists/listinfo/java-gnome-developer
  >> 



-- 
Laurent Martelli
la...@ao...                                Java Aspect Components
http://www.aopsys.com/                          http://jac.objectweb.org