laser.py 文件源码

def on_activate(self):
        """ Definition and initialisation of the GUI plus staring the measurement.
        """
        self._laser_logic = self.get_connector('laserlogic')

        #####################
        # Configuring the dock widgets
        # Use the inherited class 'CounterMainWindow' to create the GUI window
        self._mw = LaserWindow()

        # Setup dock widgets
        self._mw.setDockNestingEnabled(True)
        self._mw.actionReset_View.triggered.connect(self.restoreDefaultView)

        # set up plot
        self._mw.plotWidget = pg.PlotWidget(
            axisItems={'bottom': TimeAxisItem(orientation='bottom')})
        self._mw.pwContainer.layout().addWidget(self._mw.plotWidget)

        plot1 = self._mw.plotWidget.getPlotItem()
        plot1.setLabel('left', 'power', units='W', color=palette.c1.name())
        plot1.setLabel('bottom', 'Time', units=None)
        plot1.setLabel('right', 'Temperature', units='°C', color=palette.c3.name())

        plot2 = pg.ViewBox()
        plot1.scene().addItem(plot2)
        plot1.getAxis('right').linkToView(plot2)
        plot2.setXLink(plot1)

        self.curves = {}
        colorlist = (palette.c2, palette.c3, palette.c4, palette.c5, palette.c6)
        i = 0
        for name in self._laser_logic.data:
            if name != 'time':
                curve = pg.PlotDataItem()
                if name == 'power':
                    curve.setPen(palette.c1)
                    plot1.addItem(curve)
                else:
                    curve.setPen(colorlist[(2*i) % len(colorlist)])
                    plot2.addItem(curve)
                self.curves[name] = curve
                i += 1

        self.plot1 = plot1
        self.plot2 = plot2
        self.updateViews()
        self.plot1.vb.sigResized.connect(self.updateViews)

        self.updateButtonsEnabled()
        self._mw.laserButton.clicked.connect(self.changeLaserState)
        self._mw.shutterButton.clicked.connect(self.changeShutterState)
        self.sigLaser.connect(self._laser_logic.set_laser_state)
        self.sigShutter.connect(self._laser_logic.set_shutter_state)
        self.sigCurrent.connect(self._laser_logic.set_current)
        self.sigPower.connect(self._laser_logic.set_power)
        self.sigCtrlMode.connect(self._laser_logic.set_control_mode)
        self._mw.controlModeButtonGroup.buttonClicked.connect(self.changeControlMode)
        self.sliderProxy = pg.SignalProxy(self._mw.setValueVerticalSlider.valueChanged, 0.1, 5, self.updateFromSlider)
        self._mw.setValueDoubleSpinBox.editingFinished.connect(self.updateFromSpinBox)
        self._laser_logic.sigUpdate.connect(self.updateGui)