emacs-prelude/core/prelude-global-keybindings.el

;;; prelude-global-keybindings.el --- Emacs Prelude: some useful keybindings.
;;
;; Copyright © 2011-2013 Bozhidar Batsov
;;
;; Author: Bozhidar Batsov <bozhidar@batsov.com>
;; URL: https://github.com/bbatsov/prelude
;; Version: 1.0.0
;; Keywords: convenience

;; This file is not part of GNU Emacs.

;;; Commentary:

;; Lots of useful keybindings.

;;; License:

;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.

;;; Code:

;; Align your code in a pretty way.
(global-set-key (kbd "C-x \\") 'align-regexp)

;; Font size
(global-set-key (kbd "C-+") 'text-scale-increase)
(global-set-key (kbd "C--") 'text-scale-decrease)

;; Window switching. (C-x o goes to the next window)
(global-set-key (kbd "C-x O") (lambda ()
                                (interactive)
                                (other-window -1))) ;; back one

;; Indentation help
(global-set-key (kbd "C-^") 'prelude-top-join-line)

;; Start proced in a similar manner to dired
(global-set-key (kbd "C-x p") 'proced)

;; Start eshell or switch to it if it's active.
(global-set-key (kbd "C-x m") 'eshell)

;; Start a new eshell even if one is active.
(global-set-key (kbd "C-x M") (lambda () (interactive) (eshell t)))

;; Start a regular shell if you prefer that.
(global-set-key (kbd "C-x M-m") 'shell)

;; If you want to be able to M-x without meta
(global-set-key (kbd "C-x C-m") 'smex)

;; A complementary binding to the apropos-command (C-h a)
(define-key 'help-command "A" 'apropos)

(global-set-key (kbd "C-h C-f") 'find-function)
(global-set-key (kbd "C-h C-k") 'find-function-on-key)
(global-set-key (kbd "C-h C-v") 'find-variable)
(global-set-key (kbd "C-h C-l") 'find-library)

;; a complement to the zap-to-char command, that doesn't eat up the target character
(autoload 'zap-up-to-char "misc" "Kill up to, but not including ARGth occurrence of CHAR.")
(global-set-key (kbd "M-Z") 'zap-up-to-char)

;; kill lines backward
(global-set-key (kbd "C-<backspace>") (lambda ()
                                        (interactive)
                                        (kill-line 0)
                                        (indent-according-to-mode)))

(global-set-key [remap kill-whole-line] 'prelude-kill-whole-line)

;; Activate occur easily inside isearch
(define-key isearch-mode-map (kbd "C-o")
  (lambda () (interactive)
    (let ((case-fold-search isearch-case-fold-search))
      (occur (if isearch-regexp
                 isearch-string
               (regexp-quote isearch-string))))))

;; use hippie-expand instead of dabbrev
(global-set-key (kbd "M-/") 'hippie-expand)

;; replace buffer-menu with ibuffer
(global-set-key (kbd "C-x C-b") 'ibuffer)

(unless (fboundp 'toggle-frame-fullscreen)
  (global-set-key (kbd "<f11>") 'prelude-fullscreen))

;; toggle menu-bar visibility
(global-set-key (kbd "<f12>") 'menu-bar-mode)

(global-set-key (kbd "C-x g") 'magit-status)

(global-set-key (kbd "C-=") 'er/expand-region)

;; make C-x C-x usable with transient-mark-mode
(define-key global-map
  [remap exchange-point-and-mark]
  'prelude-exchange-point-and-mark)

(global-set-key (kbd "C-c SPC") 'ace-jump-mode)
(global-set-key (kbd "C-x SPC") 'ace-jump-mode-pop-mark)

;; key chords
(require 'key-chord)

(key-chord-define-global "jj" 'ace-jump-word-mode)
(key-chord-define-global "jl" 'ace-jump-line-mode)
(key-chord-define-global "jk" 'ace-jump-char-mode)
(key-chord-define-global "JJ" 'prelude-switch-to-previous-buffer)
(key-chord-define-global "uu" 'undo-tree-visualize)

(key-chord-mode +1)

(provide 'prelude-global-keybindings)

;;; prelude-global-keybindings.el ends here