Python - Graphical Interface Elements: Selecting the right tool(tkinter, Checkbutton, IntVar)

Head First Programming
A learner's guide to programming
using the Python language
( O'Reilly Media)
David Griffiths (著) Paul Barry (著)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python (プログラミング言語)

Head First Programming A learner's guide to programming using the Python language (David Griffiths(著)、Paul Barry(著)、 O'Reilly Media )のChapter 10(Graphical Interface Elements: Selecting the right tool)、SHARPEN YOUR PENCIL(p.333)を解いてみる。

SHARPEN YOUR PENCIL(p.333)

コード(BBEdit)

sample333.py

#!/usr/bin/env python2.7
#-*- coding: utf-8 -*-

# python3.xではtkinter, python2.xではTkinter
from Tkinter import *

import pygame.mixer

def trackToggle():
    if track_playing.get() == 1:
        track.play()
    else:
        track.stop()

def shutdown():
    track.stop()
    app.destroy()

sound_file = '50459_M_RED_Nephlimizer.wav'
mixer = pygame.mixer
mixer.init()
track = mixer.Sound(sound_file)

app = Tk()
app.title('Head First Mix')
app.geometry('250x250+200+100')

track_playing = IntVar()
track_button = Checkbutton(app, variable=track_playing, command=trackToggle,
                           text='Start/Stop')
track_button.pack()

app.protocol('WM_DELETE_WINDOW', shutdown)

app.mainloop()

入出力結果(Terminal)

$ ./sample333.py
$