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Re: how can frame-parameter proxy for make-variable-frame-local?
From: |
Stefan Monnier |
Subject: |
Re: how can frame-parameter proxy for make-variable-frame-local? |
Date: |
Sat, 29 Mar 2008 00:25:11 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux) |
> I've written an elisp program that depends on frame-local variables.
> But now when I compile my module, I get ...
> Warning: `make-variable-frame-local' is an obsolete
> function (as of Emacs 22.2); use a frame-parameter instead.
> OK. So what's the most elegant way to do this? Here's my dumb way:
> (1) To init VAR to VAL and make it frame-local for the current frame,
> I do
> (modify-frame-parameters nil '(VAR . VAL))
Try (set-frame-parameter nil 'VAR VAL)
> And then *every time* I want to reset its value, I have to do this
> again?
> (2) And *every time* I want to simply access its value, I have to do
> (frame-parameter nil 'VAR)
> Is this correct? Can you think of a macro that will make this process
> as neat as a simple `setq' (to set) and a simple token (to access)?
No. Why is it a problem?
> Or am I just fantasizing? :thinking:
Of course, you can also live with the warning.
Stefan