| from Tkinter import * |
| |
| # this is the same as simple-demo-1.py, but uses |
| # subclassing. |
| # note that there is no explicit call to start Tk. |
| # Tkinter is smart enough to start the system if it's not already going. |
| |
| |
| class Test(Frame): |
| def printit(self): |
| print("hi") |
| |
| def createWidgets(self): |
| self.QUIT = Button(self, text='QUIT', foreground='red', |
| command=self.quit) |
| self.QUIT.pack(side=BOTTOM, fill=BOTH) |
| |
| self.draw = Canvas(self, width="5i", height="5i") |
| |
| self.speed = Scale(self, orient=HORIZONTAL, from_=-100, to=100) |
| |
| self.speed.pack(side=BOTTOM, fill=X) |
| |
| # all of these work.. |
| self.draw.create_rectangle(0, 0, 10, 10, tags="thing", fill="blue") |
| self.draw.pack(side=LEFT) |
| |
| def moveThing(self, *args): |
| velocity = self.speed.get() |
| str = float(velocity) / 1000.0 |
| str = "%ri" % (str,) |
| self.draw.move("thing", str, str) |
| self.after(10, self.moveThing) |
| |
| def __init__(self, master=None): |
| Frame.__init__(self, master) |
| Pack.config(self) |
| self.createWidgets() |
| self.after(10, self.moveThing) |
| |
| |
| test = Test() |
| |
| test.mainloop() |