sin_cos.py 文件源码

def __init__(self):
        wx.Frame.__init__(self, None, wx.ID_ANY,
                          'Sin / Cos Plot')

        # Add a panel so it looks the correct on all platforms
        panel = wx.Panel(self, wx.ID_ANY)

        # create some sizers
        mainSizer = wx.BoxSizer(wx.VERTICAL)
        checkSizer = wx.BoxSizer(wx.HORIZONTAL)

        # create the widgets
        self.canvas = PlotCanvas(panel)
        self.canvas.Draw(drawSinCosWaves())
        toggleGrid = wx.CheckBox(panel, label="Show Grid")
        toggleGrid.Bind(wx.EVT_CHECKBOX, self.onToggleGrid)
        toggleLegend = wx.CheckBox(panel, label="Show Legend")
        toggleLegend.Bind(wx.EVT_CHECKBOX, self.onToggleLegend)

        # layout the widgets
        mainSizer.Add(self.canvas, 1, wx.EXPAND)
        checkSizer.Add(toggleGrid, 0, wx.ALL, 5)
        checkSizer.Add(toggleLegend, 0, wx.ALL, 5)
        mainSizer.Add(checkSizer)
        panel.SetSizer(mainSizer)