Matt's examples
diff --git a/Demo/tkinter/matt/animation-w-velocity-ctrl.py b/Demo/tkinter/matt/animation-w-velocity-ctrl.py
new file mode 100644
index 0000000..d16e8a0
--- /dev/null
+++ b/Demo/tkinter/matt/animation-w-velocity-ctrl.py
@@ -0,0 +1,51 @@
+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',
+ 'fg': 'red',
+ 'command': self.quit})
+ self.QUIT.pack({'side': 'bottom', 'fill': 'both'})
+
+ self.draw = Canvas(self, {"width" : "5i", "height" : "5i"})
+
+ self.speed = Scale(self, {"orient": "horiz",
+ "from" : -100,
+ "to" : 100})
+
+ self.speed.pack({'side': 'bottom', "fill" : "x"})
+
+ # all of these work..
+ self.draw.create_polygon("0", "0", "10", "0", "10", "10", "0" , "10", {"tags" : "thing"})
+ self.draw.pack({'side': 'left'})
+
+ def moveThing(self, *args):
+ velocity = self.speed.get()
+ str = float(velocity) / 1000.0
+ str = `str` + "i"
+ 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()