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