Execution order

[Diez B. Roggisch]

DarkBlue wrote:

> Here is some code from a pyqt4.5.4  application on python 2.6
> 
> def findData(self):
> 
>       self.ui.label.setText('Processing... ')
> 
>       # here we do something which takes a few seconds
>       self.refreshGrid()
> 
> 
> 
> The problem is that the text in the self.ui.label  is only changed
> on screen after the self.refreshGrid() has finished executing
> rather than before.
> 
> How do I achieve the expected result ?

You can make Qt process all pending events once, via
QCoreApplication.processEvents.

This should trigger the redraw.

Diez