Am 25.07.11 02:11, schrieb Saul Spatz:
> In tcl/tk an Entry widget can be set to validate its contents with the
> validate option. You have to give it a validatecommand (vcmd), which is a
> tcl script that runs when some action triggers validation. Usually, the
> script would use "percent substitutions" so the script would be something
> like {ValidInt %P} where %P is the value of the widget should the proposed
> change occur.
>
> Can one do something like this in tkinter? I've verified that with
>
> e = Entry(master, validate = 'all', vcmd = validInt)
>
> the validInt function is called, but it isn't passed any parameters. I can't
> find that e has any attribute corresponding to the %P value above.
>
> Is it not possible to do this in tkinter, or have I overlooked something?
Hi,
i think you can find the answer using the following link:
http://stackoverflow.com/questions/4140437/python-tkinter-interactively-validating-entry-widget-content
Wolfgang
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