Re: How to update the interface?

[Paul Davis <pjdavis engineering uiowa edu>]

MERT TUGCU wrote:

> Hi everyone,
>
>
>
> In my interface, I have button that is used to process an image. Since 
> the process takes some time, the button is either left pressed, does 
> not pop back during process or nothing happens. Is there any way to 
> finish updating the interface first then finishing the call to a 
> function? Also I have a textview widget I use in my application to 
> show the user what steps are taken during the process. During the 
> process, it doesn’t update (or print the text buffer) the textview 
> widget also. Lastly, I would like to use the textview widget pretty 
> much like a terminal. For example, how can I do like: textview_object 
> << “string” << an integer << an stl vector << endl; so that I can 
> print my stl vector variables or integers etc.
>
> Thank you for your response in advance,
>
>
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There are conflicting opinions on how exactly to update the UI and 
process some method at the same time. I say use threads. Others said 
process the method and periodically clear the event queue for the UI. I 
say use threads.

As for the textview, take a look at the docs. Its something like 
textview->get_buffer()->set_text( string text ) ;

Cheers,
Paul