Re: Problems running GTK-peers on Nokia-770

[Mark Wielaard]

Hi Clemens,

On Wed, 2005-10-26 at 15:42 +0000, Clemens Eisserer wrote:
> Nokia claims that the modified GTK-2.6.? they use is binary compatible
> to GTK-2.6.
> I went a bit through the peers code and it was quite straightforeward
> to read, however I did not find a function call to "g_object_ref" and
> I have to admit that I am a gtk noob.
> As far as I can see either classpath makes some assumptions how GTK
> should be (low probability) or Nokia's GTK implementation is broken
> (more likely). Any ideas where the root of the problem could come
> from?

Sorry I missed the fact that you already asked it on the classpath
mailinglist. We discussed this a bit more on the jamvm list. But I am
not sure what goes wrong. I attach our last message on this in the hope
some other GNU Classpath gtk+ AWT peer hacker has a clue what is
happening.

BTW. If nobody knows could you add a bug report for this at
http://www.gnu.org/software/classpath/bugs.html so we don't forget and
others can search for know problems on ARM/N770.

Thanks,

Mark
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: [Jamvm-general] Problems on ARM
>
>
>
>
> Date: 
>
> Fri, 4 Nov 2005 21:24:42 +0000
>
>
>
>
> Hello again,
>
> > > However I am having problems with using the gtk-awt peers that
> > > classpath does provide, I have problems when instantiating most of the
> > > native AWT widgets (like Buttons and Lists) and also problems when
> > > realizing JFrames.
> >
> > Is this only on the N770? Or also with other (x86 GNU/Linux)
> > environments? Could you post a little self-contained example that shows
> > the problem.
>
> No, this only happens on my N770 - when I tried it on my x86 system
> everything works like expected. I first thought this could be due to
> Nokia's hacked version of GTK-2.6.? (.4 I think) but I created some
> stand-alone programs and all worked withought any problems.
> When adding an AWT-Button the program also crashes with some error
> thrown by X, however I don't have a log by hand (sorry).
>
> I read the forum entry which complains that people just report
> problems and I shame a bit that I am not different. I really tried to
> track down the problem myself, however I failed :-(
>
> If I should test something for you (ARM in general), please do not
> hestitate to ask - compiling and installing is not that hard with the
> dev-enviroment provided by Nokia.
>
> Thanks for JamVM, lg Clemens
>
>
> Test-Sample:
> import java.awt.*;
> import javax.swing.*;
>
> public class aw extends JFrame {
>   public aw()
>   {
>     JButton jb = new JButton("JButton on 770!");
>     this.add(new JCheckBox("CeckBox"), BorderLayout.NORTH);
>     this.add(new JRadioButton("Radio"), BorderLayout.SOUTH);
>     this.setVisible(true);
>   }
>   public static void main(String[] args)
>   {
>     new aw();
>   }
> }
>
>
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