[Tkinter-discuss] Editing text in Canvas

[Martin B]

Hi all,
I'm write some custom widgets for my app.
Now i write custom Scale widget  like in Gimp2.7.

Here is the code:
http://www.tbs-software.com/spookyln/py/Tk_Scale.py

but i need some kick how to make it editable.When i click to Canvas
focus set to editable entry.First value ok and next is error that focus
not set in item :(

BTW: is possible make gradient fill in Canvas.create_rectangle() ?
thanks for info
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