class QwertyKeyboardView(gtk.DrawingArea):
    def __init__(self):
        gtk.DrawingArea.__init__(self)

        # setup for expose events (drawing)
        self.connect("expose_event", self.expose)
        
        self.set_flags(self.flags() | gtk.CAN_FOCUS)
        
        # track the mouse
        self.connect("motion_notify_event", self.motion_notify_event)
        self.connect("button_press_event", self.button_press_event)
        self.connect("button_release_event", self.button_release_event)
        self.connect("key_press_event", self.keyPress)
        self.connect("enter_notify_event", lambda b, e: b.grab_focus() and True)
            
        self.mouseDown = False
        self.transpose = 12
        
        self.set_events(gtk.gdk.EXPOSURE_MASK
                            | gtk.gdk.LEAVE_NOTIFY_MASK
                            | gtk.gdk.BUTTON_PRESS_MASK
                            | gtk.gdk.POINTER_MOTION_MASK
#                            | gtk.gdk.POINTER_MOTION_HINT_MASK
                            | gtk.gdk.BUTTON_RELEASE_MASK
                            | gtk.gdk.KEY_PRESS_MASK 
                            | gtk.gdk.KEY_RELEASE_MASK )