[PyQt] Question about focus issue

[Phil Thompson]

On Sun, 18 Jan 2009 11:39:03 +0100, Detlev Offenbach
<detlev at die-offenbachs.de> wrote:
> Hi,
> 
> I have an issue related to determine the state of the focus for a widget.
> The 
> situation is like this.
> 
> I have a QWidget containing a QStackedWidget containing several widgets.
> One 
> of these is a QTabWidget containing several QTreeViews. How can the top
> level 
> QWidget be informed, if one of the sub(-sub)-widgets looses (or gains)
> focus 
> without the need to have specialized subclasses.

QApplication.focusChanged()

Phil