Re: [Visualpython-users] Closing visual from code

[Michele M. <mat...@gm...>]

On Fri, Jul 3, 2009 at 5:49 AM, Bruce Sherwood<Bru...@nc...> wrote:
> What platform are you running on?
>
> I find that on Windows this does work properly running from a command
> line. The C++ code does intend to exit the program if we reach the end
> of the program and there are no windows visible. However, for some
> reason exit doesn't happen on Ubuntu Linux. I didn't yet try on the Mac.
>

I'm running Ubuntu Jaunty.

> It also does not exit on Windows when running from VIDLE or IDLE, maybe
> because in the shell window you can still execute statements, such as
> scene.visible = True, so you're not really at the end of the program.
> Clearly we need some statement that unequivocally kills the program.
>

I need to exit programmatically from the visual and close the window.
I'm using visual together with another main GUI window, so when I
close the main also visual should close properly.


When I click on the x in the right corner of the window the program
closes in a proper way, so why we don't expose the same method to the
python interface?

http://visualpython.cvs.sourceforge.net/viewvc/visualpython/vpython-core2/src/gtk2/display.cpp?revision=1.57&view=markup

I think the method attached with the on_quit_clicked() (line 240)
should do the work.. we can give it a try.

On a side note making visual a GtkWidget Visual window would give much
more control, a nice integration within the gtk main loop, and more
sane event handling.

Do you think it is a good idea?

Regards,
Michele

P.S.: The application is this one: http://mattions.github.com/neuronvisio/




> Bruce Sherwood
>
> Michele Mattioni wrote:
>> Hello list,
>>
>> I'm trying to figure out how to close visual from the code and not
>> from the GUI, 'cause I need this feature.
>>
>> Consider the following code:
>>
>>
>> import visual
>> import time
>> scene = visual.display()
>> cyl = visual.cylinder()
>> time.sleep(3)
>> scene.visible = False
>>
>>
>> if you run it with
>>
>> python test.py
>>
>> the command line keeps to be busy and the prompt never show up.
>> This does not happen if I click on the x on top of the gui.
>>
>> I'm missing some bit?
>>
>> Regards,
>> Michele.
>>
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