bandpass.py 文件源码

def initSliders(self):
        sliderSizer = wx.BoxSizer(wx.HORIZONTAL)

        lowFreqControlBox = widgets.ControlBox(self, label='lowFreq', orient=wx.VERTICAL)
        self.lowFreqText = wx.StaticText(self, label='%6.2f(Hz)' % self.flt.lowFreq)
        lowFreqTextSizer = wx.BoxSizer(orient=wx.VERTICAL)
        lowFreqTextSizer.Add(self.lowFreqText, proportion=0, flag=wx.ALIGN_CENTER_HORIZONTAL)
        self.lowFreqSlider = wx.Slider(self, style=wx.SL_VERTICAL | wx.SL_INVERSE,
                minValue=0, maxValue=int(self.flt.nyquist*4), value=int(self.flt.lowFreq*4))
        self.Bind(wx.EVT_SLIDER, self.setLowFreq, self.lowFreqSlider)
        lowFreqControlBox.Add(lowFreqTextSizer, proportion=0,
                flag=wx.TOP | wx.BOTTOM | wx.EXPAND, border=8)
        lowFreqControlBox.Add(self.lowFreqSlider, proportion=1,
                flag=wx.LEFT | wx.RIGHT | wx.EXPAND, border=25)

        sliderSizer.Add(lowFreqControlBox, proportion=1,
                flag=wx.ALL | wx.EXPAND, border=10)

        highFreqControlBox = widgets.ControlBox(self, label='highFreq', orient=wx.VERTICAL)
        self.highFreqText = wx.StaticText(self, label='%6.2f(Hz)' % self.flt.highFreq)
        highFreqTextSizer = wx.BoxSizer(orient=wx.VERTICAL)
        highFreqTextSizer.Add(self.highFreqText, proportion=0, flag=wx.ALIGN_CENTER_HORIZONTAL)
        self.highFreqSlider = wx.Slider(self, style=wx.SL_VERTICAL | wx.SL_INVERSE,
                minValue=0, maxValue=int(self.flt.nyquist*4), value=int(self.flt.highFreq*4))
        self.Bind(wx.EVT_SLIDER, self.setHighFreq, self.highFreqSlider)
        highFreqControlBox.Add(highFreqTextSizer, proportion=0,
                flag=wx.TOP | wx.BOTTOM | wx.EXPAND, border=8)
        highFreqControlBox.Add(self.highFreqSlider, proportion=1,
                flag=wx.LEFT | wx.RIGHT | wx.EXPAND, border=25)

        sliderSizer.Add(highFreqControlBox, proportion=1,
                flag=wx.ALL | wx.EXPAND, border=10)

        orderControlBox = widgets.ControlBox(self, label='Order', orient=wx.VERTICAL)
        self.orderText = wx.StaticText(self, label='%2d' % self.flt.order)
        orderTextSizer = wx.BoxSizer(orient=wx.VERTICAL)
        orderTextSizer.Add(self.orderText, proportion=0, flag=wx.ALIGN_CENTER_HORIZONTAL)
        self.orderSlider = wx.Slider(self, style=wx.SL_VERTICAL | wx.SL_INVERSE,
                minValue=2, maxValue=50, value=self.flt.order // 2)
        self.Bind(wx.EVT_SLIDER, self.setOrder, self.orderSlider)
        orderControlBox.Add(orderTextSizer, proportion=0,
                flag=wx.TOP | wx.BOTTOM | wx.EXPAND, border=8)
        orderControlBox.Add(self.orderSlider, proportion=1,
                flag=wx.LEFT | wx.RIGHT | wx.EXPAND, border=25)

        sliderSizer.Add(orderControlBox, proportion=1,
                flag=wx.ALL | wx.EXPAND, border=10)

        self.bottomSizer.Add(sliderSizer, proportion=1, flag=wx.EXPAND)