[PyQt] QWidget focusInEvent() ?

[B Clowers]

I have what would seem to be a fairly small problem.  My application has a main window that currently has the ability to spawn a number of Non-Modal QWidgets in their own respective windows.  I need to emit or catch a signal that is produced whenever a particular QWidget in its own window gets the focus.  After looking at the documentation I can't seem to find a particular signal that is emitted.  Does anyone have an idea how to accomplish this task?

Thanks

Brian
################################################

import sys
from PyQt4 import QtGui, QtCore


class TestWidget(QtGui.QWidget):
    def __init__(self, parent=None):
        QtGui.QWidget.__init__(self, parent)

        self.setGeometry(300, 300, 250, 150)
        self.setWindowTitle('Test Widget')

        quit = QtGui.QPushButton('Close', self)
        quit.setGeometry(10, 10, 60, 35)

        self.connect(quit, QtCore.SIGNAL('clicked()'),
            QtGui.qApp, QtCore.SLOT('quit()'))
        
        #Something like the following is what I'd like to do#
        self.connect(self.focusInEvent,QtCore.SIGNAL('triggered()'),self.focus_event)
    
    def focus_event(self):
        print "This window has focus!"
    
     
if __name__ == "__main__":
        
    app = QtGui.QApplication(sys.argv)
    tw = TestWidget()
    tw.show()
    sys.exit(app.exec_())



      
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