How to update the interface?

["MERT TUGCU" <merttugcu hotmail com>]

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,