Re: How to execute code on cursor move

[Eli Zaretskii]

> Date: Sat, 13 Jul 2013 12:39:03 +0200
> From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
> 
> I want to check a text property and display in the minibuffer depending
> on context (in my case, on an org-link).
> 
> This is what I have so far (working):
> 
> (add-hook 'post-command-hook
>         (lambda()
>           (if (eq (get-text-property (point) 'face) 'org-link)
>               (display-message-or-buffer
>                (get-text-property (point) 'help-echo)))))
> 
> Is using the post-command-hook a good idea?

No, because it slows down Emacs's _every_ command.

> Is there something better?

There are the 'point-entered' and 'point-left' text properties.  Make
sure they cover the buffer positions where you want to display the
message in the echo area, and the rest should be easy.