| 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() |