[Pygui] Force Refresh?

[Mark Melvin]

On Mon, Mar 28, 2011 at 10:40 AM, Mark Melvin <mark.melvin at gmail.com> wrote:

> On Fri, Mar 25, 2011 at 8:25 PM, Greg Ewing <greg.ewing at canterbury.ac.nz>wrote:
>
>> Mark Melvin wrote:
>>
>>> I am using a Label as a type of status text.  I am finding that if it
>>> call set_text("String") on it, then do some other stuff right away, the text
>>> is not updated until later.
>>>
>>
>> How much later? It should get updated before the user gets
>> a chance to do anything else.
>>
>> There's an update() method, but it's currently not available
>> on all widgets. I'll see about making it more general.
>>
>>
> I am setting the label text, doing some communication over a USB port
> (which can take a couple seconds), then setting the text to something else.
>  I never see the first label change.  Inserting time.sleep(x) does nothing,
> but I am assuming this is a threading thing.  It may work if I do my USB
> stuff in a background thread, but that is major change and I don't really
> want to get into threading for this.  I have a Label "placed" inside my main
> Window, and I don't see any update methods available on either of these. :(
>
> Thanks,
> Mark.
>


I found a hack on Windows.  If I call myWindow._win.UpdateWindow(), it
refreshes immediately.

Mark.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/pygui/attachments/20110328/7d113a77/attachment.html>