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Python Source  |  1996-08-02  |  804 b   |  37 lines  |  [TEXT/Pyth]
  1. from Tkinter import *
  2.  
  3. # shows how to make a slider, set and get its value under program control
  4.  
  5.  
  6. class Test(Frame):
  7.     def print_value(self, val):
  8.     print "slider now at", val
  9.  
  10.     def reset(self): 
  11.     self.slider.set(0)
  12.  
  13.     def createWidgets(self):
  14.     self.slider = Scale(self, from_=0, to=100, 
  15.                 orient=HORIZONTAL, 
  16.                 length="3i", 
  17.                 label="happy slider", 
  18.                 command=self.print_value)
  19.  
  20.     self.reset = Button(self, text='reset slider', 
  21.                 command=self.reset)
  22.  
  23.     self.QUIT = Button(self, text='QUIT', foreground='red', 
  24.                command=self.quit)
  25.  
  26.     self.slider.pack(side=LEFT)
  27.     self.reset.pack(side=LEFT)
  28.     self.QUIT.pack(side=LEFT, fill=BOTH)
  29.  
  30.     def __init__(self, master=None):
  31.     Frame.__init__(self, master)
  32.     Pack.config(self)
  33.     self.createWidgets()
  34.  
  35. test = Test()
  36. test.mainloop()
  37.