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spacemacs/layers/+distributions/spacemacs-base/local/holy-mode/holy-mode.el
2016-06-08 22:17:04 -04:00

104 lines
3.7 KiB
EmacsLisp

;;; holy-mode.el --- Enter the church of Emacs
;; Copyright (C) 2014-2015 syl20bnr
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; Keywords: convenience editing
;; Created: 18 Mar 2015
;; Version: 1.00
;; Package-Requires: ((emacs "24") (evil "1.0.9"))
;; URL: https://github.com/syl20bnr/spacemacs
;; This file is not part of GNU Emacs.
;; 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(defadvice evil-insert-state (around holy-insert-to-emacs-state disable)
"Forces Emacs state."
(if (equal -1 (ad-get-arg 0))
ad-do-it
(evil-emacs-state)))
(defadvice evil-motion-state (around holy-motion-to-emacs-state disable)
"Forces Emacs state."
(if (equal -1 (ad-get-arg 0))
ad-do-it
(evil-emacs-state)))
(defadvice evil-normal-state (around holy-normal-to-emacs-state disable)
"Forces Emacs state."
(if (equal -1 (ad-get-arg 0))
ad-do-it
(evil-emacs-state)))
;;;###autoload
(define-minor-mode holy-mode
"Global minor mode to repulse the evil from spacemacs.
The `insert state' is replaced by the `emacs state'."
:global t
:lighter " holy"
:group 'spacemacs
(if holy-mode
(in-nominus-patris-et-filii-et-sipritus-sancti)
(amen)))
(defun in-nominus-patris-et-filii-et-sipritus-sancti ()
"Enter the church of Emacs (wash your hands)."
;; make all buffers' initial state emacs
(push '("." . emacs) evil-buffer-regexps)
;; replace evil states by `emacs state'
(ad-enable-advice 'evil-insert-state 'around 'holy-insert-to-emacs-state)
(ad-enable-advice 'evil-motion-state 'around 'holy-motion-to-emacs-state)
(ad-enable-advice 'evil-normal-state 'around 'holy-normal-to-emacs-state)
(ad-activate 'evil-insert-state)
(ad-activate 'evil-motion-state)
(ad-activate 'evil-normal-state)
;; key bindings hooks for dynamic switching of editing styles
(run-hook-with-args 'spacemacs-editing-style-hook 'emacs)
;; initiate `emacs state' and enter the church
(holy-mode//update-states-for-current-buffers 'emacs))
(defun amen ()
"May the force be with you my son (or not)."
;; restore defaults
(setq evil-buffer-regexps (delete '("." . emacs) evil-buffer-regexps))
;; restore evil states
(ad-disable-advice 'evil-insert-state 'around 'holy-insert-to-emacs-state)
(ad-disable-advice 'evil-motion-state 'around 'holy-motion-to-emacs-state)
(ad-disable-advice 'evil-normal-state 'around 'holy-normal-to-emacs-state)
(ad-activate 'evil-insert-state)
(ad-activate 'evil-motion-state)
(ad-activate 'evil-normal-state)
;; restore key bindings
(run-hook-with-args 'spacemacs-editing-style-hook 'vim)
;; restore the states
(holy-mode//update-states-for-current-buffers 'vim))
(defun holy-mode//update-states-for-current-buffers (style)
"Update the active state in all current buffers given current STYLE."
(dolist (buffer (buffer-list))
(with-current-buffer buffer
(cond
((eq 'emacs style) (evil-emacs-state))
((and (eq 'vim style)
(eq 'emacs evil-state))
(cond
((memq major-mode evil-evilified-state-modes) (evil-evilified-state))
((memq major-mode evil-motion-state-modes) (evil-motion-state))
(t (evil-normal-state))))))))