| 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', |
| 'fg': '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() |