Re: get default options of Tk widgets

Simon Bachmann schrieb:
> Hi
>
> % info patchlevel
> 8.4.11
>
> My question: is there a way to get the values that are used for options
> of Tk widgets when they aren't specified? (the defaults)
> Is there a command or a variable that can tell me, for instance, what
> background color is used by default for Labels?
> The "option get" command isn't what I'm looking for: it works for some
> options, it doesn't for others:
>
> % option get . font Label
> helvetica -12
> % option get . Foreground Label
> %
>
> That's what I'm trying to do:
> I've got a proc that configures several widgets according to data stored
> in arrays/lists.
> This works well, now I need to "reset" some options of this widgets to
> the default value. The problem is that I cannot know in advance what
> options are to be reset, so I can't use hardcoded values...
>
> Here's a simplified example of what I'm looking for
>
> label .l -fg red
>
> set option foreground
> .l configure -$option {Here I need the default value...}
>
> Of course I could create an array that contains all values that I need,
> but if there's an easier way...

Usually one creates one widget of the appropriate type and uses
configure to read the default values of the options.

Michael
Received on Sun Apr 30 03:31:37 2006