Python - Graphical Interface Elements: Selecting the right tool(protocol, WM_DELETE_WINDOW)

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.323)を解いてみる。

SHARPEN YOUR PENCIL(p.323)

コード(BBEdit)

sample323.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 trackStart():
    track.play(loops = -1)

def trackStop():
    track.stop()

def shutdown():
    track.stop()

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')

start_button = Button(app, command=trackStart, text='Start')
start_button.pack(side=LEFT)

stop_button = Button(app, command=trackStop, text='Stop')
stop_button.pack(side=RIGHT)

app.protocol('WM_DELETE_WINDOW', shutdown)

app.mainloop()

入出力結果(Terminal)

$ ./sample323.py
$