Qtlathe

def toggle_dro(self):
        cur = self.w.droPaneStack.currentIndex()
        if cur == 0:
            self.w.droPaneStack.setCurrentIndex(cur+1)
        else:
            self.w.droPaneStack.setCurrentIndex(0)

def toggle_dro(self):
        next = self.w.droPaneStack.currentIndex() +1
        if next > 2:
            self.w.droPaneStack.setCurrentIndex(0)
        else:
            self.w.droPaneStack.setCurrentIndex(next)

def toggle_dro(self):
        next = self.w.droPaneStack.currentIndex() +1
        if  next = self.w.droPaneStack.count() :
            self.w.droPaneStack.setCurrentIndex(0)
        else:
            self.w.droPaneStack.setCurrentIndex(next)

    def processed_key_event__(self,receiver,event,is_pressed,key,code,shift,cntrl):
        # when typing in MDI, we don't want keybinding to call functions
        # so we catch and process the events directly.
        # We do want ESC, F1 and F2 to call keybinding functions though
        if code not in(QtCore.Qt.Key_Escape,QtCore.Qt.Key_F1 ,QtCore.Qt.Key_F2,
                    QtCore.Qt.Key_F3,QtCore.Qt.Key_F5,QtCore.Qt.Key_F5):
            raise

    def processed_key_event__(self,receiver,event,is_pressed,key,code,shift,cntrl):
        # when typing in MDI, we don't want keybinding to call functions
        # so we catch and process the events directly.
        # We do want ESC, F1 and F2 to call keybinding functions though
        if code not in(QtCore.Qt.Key_Escape,QtCore.Qt.Key_F1 ,QtCore.Qt.Key_F2,
                    QtCore.Qt.Key_F3,QtCore.Qt.Key_F5,QtCore.Qt.Key_F5,
                    QtCore.Qt.Key_F6,QtCore.Qt.Key_F7,QtCore.Qt.Key_F12):
            raise

    def before_loop__(self):
        STATUS.connect('state-estop',lambda q:self.w.close())
        #self.w.close()