[ESS] rewire C-RET to M-RET

Andreas Leha andreas.leha at med.uni-goettingen.de
Wed Nov 6 23:17:23 CET 2013


Hi all,

what is the correct way to rewire C-RET to M-RET?

In a recent thread [fn:1], two possibilities were given:

(1) by Keith Ponting
--8<---------------cut here---------------start------------->8---
;;; useful trick from ESS wiki - M-return (hold alt key and return) evaluates line (or selected region) and steps
(defun my-ess-eval ()
  (interactive)
  (if (and transient-mark-mode mark-active)
      (call-interactively 'ess-eval-region)
    (call-interactively 'ess-eval-line-and-step)))

(add-hook 'ess-mode-hook
 '(lambda()
    (local-set-key (kbd "M-<return>") 'my-ess-eval)
    (local-set-key (kbd "C-<return>") 'ess-use-this-dir)
    ))
--8<---------------cut here---------------end--------------->8---

(2) by Vitalie Spinu
--8<---------------cut here---------------start------------->8---
(eval-after-load "ess-mode"
  '(progn
     (define-key ess-mode-map [(control return)] nil)
     (define-key ess-mode-map [(meta return)] 'ess-eval-region-or-line-and-step)
     ))
--8<---------------cut here---------------end--------------->8---

Both of them work for me [fn:2] in 'emacs' but *not* in 'emacs -nw'.

That is a pity, because 'emacs -nw' is one of the best use cases for
such rewiring.

Note that in 'emacs -nw', if I run
  M-x local-set-key M-RET ess-eval-region-or-line-and-step
it works.  But I have to do it every time I open a new ess-mode buffer,
i.e. (many) dozen times a day.

I also tried with 'emacs -Q -l .emacs-only-loading-ess -nw', so I guess
it's not conflicting configuration on my side.



Do I miss something here?

Regards,
Andreas


Footnotes:

[fn:1] http://permalink.gmane.org/gmane.emacs.ess.general/7673

[fn:2] 
- GNU Emacs 24.3.1
- ess-version: 13.09



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