In my main application window (QMainWindow), I am capturing the keyPressEvent for all the Function keys. I am successfully capturing F1, F3-F12, but F2 will not cause a keyPressEvent. I have looked throughout my main window code and I am not using F2 for any other shortcut that I know of. The thing that really has me puzzled is that I am creating a second QMainWindow and capturing the F1-F12 keyPressEvents without any problem. Is there some default shortcut that uses F2 that I am missing? I have ensured that I am using accept( )/ignore( ) throughout the press event.

Qt Code: 
  1. void MainWindow::keyPressEvent( QKeyEvent *event )
  2. {
  3.    //This line will print for every key other than F2
  4.    fprintf( stderr, "In MainWindow::keyPressEvent( QKeyEvent *event )" );
  5.  
  6.    QString keySequence = "";
  7.  
  8.    if( event->state( ) & Qt::ControlButton )
  9.    {
  10.       keySequence += tr( "Ctrl+" );
  11.    }   
  12.    if( event->state( ) & Qt::ShiftButton )
  13.    {
  14.       keySequence += tr( "Shift+" );
  15.    }   
  16.    if( event->state( ) & Qt::AltButton )
  17.    {
  18.       keySequence += tr( "Alt+" );
  19.    }   
  20.    if( event->state( ) & Qt::MetaButton )
  21.    {
  22.       keySequence += tr( "Meta+" );
  23.    }
  24.  
  25.    if( event->key( ) != Qt::Key_Control &&
  26.        event->key( ) != Qt::Key_Shift &&
  27.        event->key( ) != Qt::Key_Meta &&
  28.        event->key( ) != Qt::Key_Alt )
  29.    {
  30.        ... continue building the keySequence and check against configuration file
  31.    }
  32.  
  33.    event->ignore( );
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