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Re:Let's just use Emacs by brewski on Friday May 27, 2011 @10:36AM (#2591582)
For linux environments, instead of darkroom-mode you can put this in your .emacs file to toggle fullscreen:

  ;;; Fullscreen
  (defun switch-full-screen ()
    (interactive)
    (shell-command "wmctrl -r :ACTIVE: -btoggle,fullscreen"))

  (global-set-key (kbd "<f12>") 'switch-full-screen)
Re:Let's just use Emacs by wallrat on Friday May 27, 2011 @10:59AM (#2591664)
Alternative if you don't have wmctrl installed (not default in Ubuntu for example):

  ;; Fullscreen
  (defun switch-full-screen ()
    (interactive)
    (x-send-client-message nil 0 nil "_NET_WM_STATE" 32
                           '(2 "_NET_WM_STATE_FULLSCREEN" 0)))
Re:Let's just use Emacs by eru on Friday May 27, 2011 @01:22PM (#2592250)
You can also start using xmonad.
Re:Let's just use Emacs by mziulu on Friday May 27, 2011 @12:36PM (#2592022)
Another alternative that, AFAICS, doesn't use anything external to emacs

    ;;; Full-screen mode
   (defun toggle-max-window ()
      (interactive)
      (set-frame-parameter nil 'fullscreen
                       (if (frame-parameter nil 'fullscreen)
                           nil
                         'fullboth)))
   (global-set-key (kbd "<C-M-return>") 'toggle-max-window)
Re:Let's just use Emacs by sambeau on Friday May 27, 2011 @11:30AM (#2591786)
or

  sudo apt-get install emacs23-nox
;-)