open-rectangle

open-rectangle

[Andreas Röhler]

Intention is to copy extracts from *w3m*-buffer with
`copy-rectangle-to-register'

However, calling `open-rectangle' I get an error,
because *w3m*-buffer is read-only. Toggling this it
works.

Question: Is this star, which causes the error in the
 interactive-form "*r\nP" of `open-rectangle' necessary? 

Thanks

Andreas Roehler

GNU Emacs 22.1.50.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars) of 
2007-06-07 

Re: open-rectangle

[martin rudalics]

 > Intention is to copy extracts from *w3m*-buffer with
 > `copy-rectangle-to-register'
 >
 > However, calling `open-rectangle' I get an error,
 > because *w3m*-buffer is read-only. Toggling this it
 > works.

How do you manage to call `open-rectangle' here?
`copy-rectangle-to-register' calls `extract-rectangle' which doesn't
modify the buffer.

 >
 > Question: Is this star, which causes the error in the
 >  interactive-form "*r\nP" of `open-rectangle' necessary?

Yes.  Because `open-rectangle' may modify the buffer.

Re: open-rectangle

[Andreas Röhler]

Am Dienstag, 26. Juni 2007 14:21 schrieb martin rudalics:
>  > Intention is to copy extracts from *w3m*-buffer with
>  > `copy-rectangle-to-register'
>  >
>  > However, calling `open-rectangle' I get an error,
>  > because *w3m*-buffer is read-only. Toggling this it
>  > works.
>
> How do you manage to call `open-rectangle' here?

Don't know wherefrom I got this idea.

> `copy-rectangle-to-register' calls `extract-rectangle' which doesn't
> modify the buffer.

Thanks. That's the right thing.

>
>  > Question: Is this star, which causes the error in the
>  >  interactive-form "*r\nP" of `open-rectangle' necessary?
>
> Yes.  Because `open-rectangle' may modify the buffer.
>
>
OK. See it.  Thanks again.

Andreas Roehler

Re: open-rectangle

[Andreas Röhler]

Am Dienstag, 26. Juni 2007 14:21 schrieb martin rudalics:
>  > Intention is to copy extracts from *w3m*-buffer with
>  > `copy-rectangle-to-register'
>  >
>  > However, calling `open-rectangle' I get an error,
>  > because *w3m*-buffer is read-only. Toggling this it
>  > works.
>
> How do you manage to call `open-rectangle' here?
> `copy-rectangle-to-register' calls `extract-rectangle' which doesn't
> modify the buffer.
>
>  > Question: Is this star, which causes the error in the
>  >  interactive-form "*r\nP" of `open-rectangle' necessary?
>
> Yes.  Because `open-rectangle' may modify the buffer.
>


Lately the `register'-part of
`copy-rectangle-to-register' turned out not as suitable
for my needs. Tried to get rid of that.

What about such a thing?

(defun copy-rectangle (start end)
  " "
  (interactive "r")
  (let (extr)
    (dolist (elem (extract-rectangle start end))
      (setq extr (concat extr elem "\n")))
    (kill-new extr)))


Andreas Roehler