Demo/tkinter/matt/slider-demo-1.py

   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()