#coding: utf-8

"""
ZetCode wxPython tutorial

In this code example, we create three
toggle button widgets.

author: Jan Bodnar
website: www.zetcode.com
last modified: April 2018
"""
#トグルボタン：二つの状態をボタンを押すことで交互にとるボタンである
#ボタン自体には現状態を知る手掛りがない
import wx


class Example(wx.Frame):

    def __init__(self, *args, **kw):
        super(Example, self).__init__(*args, **kw)

        self.InitUI()

    def InitUI(self):

        pnl = wx.Panel(self)

        self.col = wx.Colour(0, 0, 0)

        rtb = wx.ToggleButton(pnl, label='red', pos=(20, 25))
        gtb = wx.ToggleButton(pnl, label='green', pos=(20, 60))
        btb = wx.ToggleButton(pnl, label='blue', pos=(20, 100))

        self.cpnl  = wx.Panel(pnl, pos=(150, 20), size=(110, 110))
        self.cpnl.SetBackgroundColour(self.col)

        rtb.Bind(wx.EVT_TOGGLEBUTTON, self.ToggleRed)
        #redボタンが押されたときの処理
        gtb.Bind(wx.EVT_TOGGLEBUTTON, self.ToggleGreen)
        btb.Bind(wx.EVT_TOGGLEBUTTON, self.ToggleBlue)

        self.SetSize((350, 250))
        self.SetTitle('Toggle buttons')
        self.Centre()

    def ToggleRed(self, e):

        #obj = e.GetEventObject()
        #isPressed = obj.GetValue()
        #押されたことは自明、変数名が悪い
        
        red = self.col.Red()
        green = self.col.Green()
        blue = self.col.Blue()

        if red == 255:
            red = 0
        else:
            red = 255
        #トグル処理

        self.col.Set(red, green, blue)

        #if isPressed:
        #    self.col.Set(255, green, blue)
        #else:
        #    self.col.Set(0, green, blue)

        self.cpnl.SetBackgroundColour(self.col)
        self.cpnl.Refresh()

    def ToggleGreen(self, e):

        obj = e.GetEventObject()
        isPressed = obj.GetValue()

        red = self.col.Red()
        blue = self.col.Blue()

        if isPressed:
            self.col.Set(red, 255, blue)
        else:
            self.col.Set(red, 0, blue)

        self.cpnl.SetBackgroundColour(self.col)
        self.cpnl.Refresh()

    def ToggleBlue(self, e):

        obj = e.GetEventObject()
        isPressed = obj.GetValue()

        red = self.col.Red()
        green = self.col.Green()

        if isPressed:
            self.col.Set(red, green, 255)
        else:
            self.col.Set(red, green, 0)

        self.cpnl.SetBackgroundColour(self.col)
        self.cpnl.Refresh()


def main():

    app = wx.App()
    ex = Example(None)
    ex.Show()
    app.MainLoop()


if __name__ == '__main__':
    main()

	実行例