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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()
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