mirror of
https://github.com/python/cpython.git
synced 2025-10-30 18:07:37 +00:00
36 lines
1,001 B
Python
36 lines
1,001 B
Python
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()
|