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Viewing changes to Demo/tkinter/matt/slider-demo-1.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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Demo/tkinter/matt/slider-demo-1.py
 
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from tkinter import *
 
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# shows how to make a slider, set and get its value under program control
 
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class Test(Frame):
 
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    def print_value(self, val):
 
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        print("slider now at", val)
 
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    def reset(self):
 
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        self.slider.set(0)
 
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    def createWidgets(self):
 
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        self.slider = Scale(self, from_=0, to=100,
 
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                            orient=HORIZONTAL,
 
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                            length="3i",
 
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                            label="happy slider",
 
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                            command=self.print_value)
 
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        self.reset = Button(self, text='reset slider',
 
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                            command=self.reset)
 
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        self.QUIT = Button(self, text='QUIT', foreground='red',
 
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                           command=self.quit)
 
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        self.slider.pack(side=LEFT)
 
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        self.reset.pack(side=LEFT)
 
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        self.QUIT.pack(side=LEFT, fill=BOTH)
 
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    def __init__(self, master=None):
 
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        Frame.__init__(self, master)
 
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        Pack.config(self)
 
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        self.createWidgets()
 
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test = Test()
 
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test.mainloop()