113 lines
4.6 KiB
EmacsLisp
113 lines
4.6 KiB
EmacsLisp
;;; core-evilified-state.el --- A minimalistic evil state
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;; Copyright (C) 2014, 2015 syl20bnr
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; Keywords: convenience editing evil spacemacs
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;; Created: 22 Mar 2015
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;; Version: 1.0
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;; Package-Requires: ((evil "1.0.9") (evil-leader "0.4.3"))
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;; This file is not part of GNU Emacs.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Define a `evilified' evil state inheriting from `emacs' state and
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;; setting a minimalist list of Vim key bindings (like navigation, search, ...)
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;;; Code:
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(require 'evil)
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(defvar spacemacs-core-evilified-state--modes nil
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"List of all evilified modes.")
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(defvar spacemacs-core-evilified-state--visual-state-map evil-visual-state-map
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"Evil visual state map backup.")
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(defvar spacemacs-core-evilified-state--evil-surround nil
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"Evil surround mode variable backup.")
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(make-variable-buffer-local 'spacemacs-core-evilified-state--evil-surround)
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(evil-define-state evilified
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"Evilified state.
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Hybrid `emacs state' with carrefully selected Vim key bindings.
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See spacemacs conventions for more info."
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:tag " <Ev> "
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:enable (emacs)
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:message "-- EVILIFIED BUFFER --"
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:cursor box)
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(add-hook 'evil-evilified-state-entry-hook 'spacemacs//evilified-state-on-entry)
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(add-hook 'evil-evilified-state-exit-hook 'spacemacs//evilified-state-on-exit)
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(add-hook 'evil-visual-state-entry-hook 'spacemacs//visual-state-on-entry)
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(add-hook 'evil-visual-state-exit-hook 'spacemacs//visual-state-on-exit)
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(defun spacemacs//evilify-pre-command-hook ()
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(let ((map (get-char-property (point) 'keymap)))
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(when (and map (assq 'evilified-state map))
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(let* ((submap (cdr (assq 'evilified-state map)))
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(command (when (and submap (eq 1 (length (this-command-keys))))
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(lookup-key submap (this-command-keys)))))
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(when command
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(setq this-command command))))))
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(defun spacemacs//evilified-state-on-entry ()
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"Setup evilified state."
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(add-hook 'pre-command-hook 'spacemacs//evilify-pre-command-hook nil 'local)
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(when (bound-and-true-p evil-surround-mode)
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(make-local-variable 'evil-surround-mode)
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(evil-surround-mode -1))
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(setq-local evil-normal-state-map (cons 'keymap nil))
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(setq-local evil-visual-state-map (cons 'keymap (list (cons ?y 'evil-yank)))))
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(defun spacemacs//evilified-state-on-exit ()
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"Clean evilified state"
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(remove-hook 'pre-command-hook 'spacemacs//evilify-pre-command-hook 'local))
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(defun spacemacs//visual-state-on-entry ()
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"Setup visual state."
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(add-hook 'pre-command-hook 'spacemacs//evilify-pre-command-hook nil 'local))
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(defun spacemacs//visual-state-on-exit ()
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"Clean visual state"
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(remove-hook 'pre-command-hook 'spacemacs//evilify-pre-command-hook 'local))
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;; default key bindings for all evilified buffers
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(define-key evil-evilified-state-map (kbd dotspacemacs-leader-key)
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evil-leader--default-map)
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(define-key evil-evilified-state-map "/" 'evil-search-forward)
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(define-key evil-evilified-state-map ":" 'evil-ex)
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(define-key evil-evilified-state-map "h" 'evil-backward-char)
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(define-key evil-evilified-state-map "j" 'evil-next-visual-line)
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(define-key evil-evilified-state-map "k" 'evil-previous-visual-line)
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(define-key evil-evilified-state-map "l" 'evil-forward-char)
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(define-key evil-evilified-state-map "n" 'evil-search-next)
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(define-key evil-evilified-state-map "N" 'evil-search-previous)
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(define-key evil-evilified-state-map "v" 'evil-visual-char)
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(define-key evil-evilified-state-map "V" 'evil-visual-line)
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(define-key evil-evilified-state-map "gg" 'evil-goto-first-line)
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(define-key evil-evilified-state-map "G" 'evil-goto-line)
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(define-key evil-evilified-state-map (kbd "C-f") 'evil-scroll-page-down)
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(define-key evil-evilified-state-map (kbd "C-b") 'evil-scroll-page-up)
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(define-key evil-evilified-state-map (kbd "C-d") 'evil-scroll-down)
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(define-key evil-evilified-state-map (kbd "C-u") 'evil-scroll-up)
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(define-key evil-evilified-state-map (kbd "C-z") 'evil-emacs-state)
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(provide 'core-evilified-state)
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;;; core-evilified-state.el ends here
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