Python - Building a Graphical User Interface: Going all gooey(tkinter module, widgets(label), textvariable(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 7(Building a Graphical User Interface: Going all gooey)、LONG EXERCISE(p.250)を解いてみる。

LONG EXERCISE(p.250)

コード(BBEdit)

sample250.py

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

# python3.xのpygameが上手くインストールできてないので、とりあえず2.7で作成
# python3.xのtkinterモジュールは、2.7ではTkinterであることに注意

import pygame.mixer
import Tkinter

sounds = pygame.mixer
sounds.init()
currect_s = sounds.Sound('correct.wav')
wrong_s = sounds.Sound('wrong.wav')

def waitFinish(channel):
    while channel.get_busy():
        pass

def playCorrectSound():
    number_correct.set(number_correct.get() + 1)
    waitFinish(currect_s.play())
    
def playWrongSound():
    number_wrong.set(number_wrong.get() + 1)
    waitFinish(wrong_s.play())

app = Tkinter.Tk()
app.title('TVN')
app.geometry('400x100+200+100')

top_label = Tkinter.Label(
    app, text='When you are ready, click on the button!', height=3)
top_label.pack(side='top')

number_correct = Tkinter.IntVar()
number_correct.set(0)
correct_label = Tkinter.Label(app, textvariable=number_correct)
correct_label.pack(side='left')

number_wrong = Tkinter.IntVar()
number_wrong.set(0)
wrong_label = Tkinter.Label(app, textvariable=number_wrong)
wrong_label.pack(side='right')

correct_button = Tkinter.Button(
    app, text='Correct', width=15, command=playCorrectSound)
correct_button.pack(side='left', padx=10, pady=10)

wrong_button = Tkinter.Button(
    app, text='Wrong', width=15,command=playWrongSound)
wrong_button.pack(side='right', padx=10, pady=10)

app.mainloop()

入出力結果(Terminal)

$ ./sample250.py 
$