Re: [Jython-users] Help with broken code

[Stefan R. <Ste...@gm...>]

Rafael, sorry, I had read your email too quickly and had misconcepted the issue in the sense
that the window would not display at all. (That's why I suggested to call frame.show
and try the JOptionPane-based test program.)
Given that the window actually *does* display makes my suggestions rather irrelevant I suppose.

However, I can also not reproduce the *actual* issue on my system - here the button causes
the console to print "Clicked!" as expected (using Jython 2.7.1 beta 3 and Java 7).
Maybe you can first check that it's not a console issue: Let the click change the button-
or frame capture instead. Does ordinary console printing work?
What Jython- and Java version are you using?

-Stefan



> Gesendet: Donnerstag, 18. Februar 2016 um 17:27 Uhr
> Von: "Bejarano, Rafael P." <be...@hs...>
> An: "Stefan Richthofer" <Ste...@gm...>
> Cc: "jyt...@li..." <jyt...@li...>
> Betreff: RE: [Jython-users] Help with broken code
>
> Thank you for your prompt reply.  I'll give your suggestions a try.
> 
> Rafael
> ________________________________________
> From: Stefan Richthofer [Ste...@gm...]
> Sent: Wednesday, February 17, 2016 2:52 PM
> To: Bejarano, Rafael P.
> Cc: jyt...@li...
> Subject: Re: [Jython-users] Help with broken code
> 
> Hello Rafael,
> 
> trying your program on linux, it works like expected.
> However, did you try to call frame.show()?
> (maybe instead of frame.visible = True)
> 
> If this also fails, can you confirm that the equivalent Java-program would work?
> Given that it works on my setup, it is possible that on your system
> something with Java is broken rather than with Jython.
> 
> In case you don't speak Java, try the trivial swing program:
> 
> from javax.swing import JOptionPane
> JOptionPane.showInputDialog("Hello Jython");
> 
> in Java:
> 
> public static class TestSwing {
>   public static void main(String[] args) {
>     javax.swing.JOptionPane.showInputDialog("Hello Jython");
>   }
> }
> 
> If this works in Java, but not in Jython, I'd suggest to file an issue on bugs.jython.org.
> Also helpful: Did you apply some specific change that broke the program? Some update of
> Java or Jython, or some System update? Every information about what caused the breakage
> is helpful.
> 
> Best
> 
> Stefan
> 
> 
> > Gesendet: Mittwoch, 17. Februar 2016 um 19:07 Uhr
> > Von: "Rafael Bejarano" <be...@hs...>
> > An: jyt...@li...
> > Betreff: [Jython-users] Help with broken code
> >
> > Hello,
> >
> > The demo program below used to work, but now, when the button is clicked, nothing happens, although the window displaying the button does open just fine.  I run it in the Macintosh Unix terminal.  Any assistance with this problem would be greatly appreciated.
> >
> > Rafael Bejarano
> >
> > from javax.swing import JButton, JFrame
> > frame = JFrame('Hello, Jython!', defaultCloseOperation = JFrame.EXIT_ON_CLOSE, size = (300,300))
> > def change_text(event):
> >       print "Clicked!"
> >
> > button = JButton('Click Me!', actionPerformed=change_text)
> > frame.add(button)
> > frame.visible = True
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