2d61e5304e
Add variable `hybrid-mode-enable-hjkl-bindings` to enable hjkl
navigation in hybrid mode.
example:
dotspacemacs-editing-style '(hybrid :variables
hybrid-mode-enable-hjkl-bindings t
hybrid-mode-default-state 'normal)
119 lines
4.2 KiB
EmacsLisp
119 lines
4.2 KiB
EmacsLisp
;;; hybrid-mode.el --- Put one foot in the church of Emacs
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;; Copyright (C) 2012-2016 Sylvain Benner & Contributors
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;;
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;; Authors: Justin Burkett <justin@burkett.cc>
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;; Chris Ewald <chrisewald@gmail.com>
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;; Keywords: convenience editing
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;; Created: 12 Aug 2015
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;; Version: 1.00
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;; Package-Requires: ((emacs "24") (evil "1.0.9"))
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;; URL: https://github.com/syl20bnr/spacemacs
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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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;;; Code:
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(require 'evil)
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(defvar hybrid-mode-enable-hjkl-bindings)
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(defcustom hybrid-mode-default-state 'normal
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"Value of `evil-default-state' for hybrid-mode. Set to hybrid
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to start in hybrid state (emacs bindings) by default."
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:group 'spacemacs
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:type 'symbol)
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(defcustom hybrid-mode-enable-hjkl-bindings nil
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"If non nil then packages configuration should define the
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key bindings for hjkl navigation."
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:group 'spacemacs
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:type 'boolean)
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(defvar hybrid-mode-default-state-backup evil-default-state
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"Backup of `evil-default-state'.")
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(defadvice evil-insert-state (around hybrid-insert-to-hybrid-state disable)
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"Forces Hybrid state."
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(evil-hybrid-state))
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;;;###autoload
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(define-minor-mode hybrid-mode
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"Global minor mode to replace insert state by hybrid state."
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:global t
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:lighter " hybrid"
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:group 'spacemacs
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(if hybrid-mode
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(enable-hybrid-editing-style)
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(disable-hybrid-editing-style)))
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(defun enable-hybrid-editing-style ()
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"Enable the hybrid editing style."
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(setq hybrid-mode-default-state-backup evil-default-state
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evil-default-state hybrid-mode-default-state)
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;; key bindings hooks for dynamic switching of editing styles
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(run-hook-with-args 'spacemacs-editing-style-hook 'hybrid)
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(ad-enable-advice 'evil-insert-state
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'around 'hybrid-insert-to-hybrid-state)
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(ad-activate 'evil-insert-state))
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(defun disable-hybrid-editing-style ()
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"Disable the hybrid editing style (reverting to 'vim style)."
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(setq evil-default-state hybrid-mode-default-state-backup)
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;; restore key bindings
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(run-hook-with-args 'spacemacs-editing-style-hook 'vim)
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(ad-disable-advice 'evil-insert-state
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'around 'hybrid-insert-to-hybrid-state)
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(ad-activate 'evil-insert-state))
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;; This code is from evil insert state definition, any change upstream
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;; should be reflected here
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;; see https://bitbucket.org/lyro/evil/src/a25b848c90c7942fe89d9ec283c6bb44fb7b3cf4/evil-states.el?fileviewer=file-view-default#evil-states.el-74
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(evil-define-state hybrid
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"Hybrid state for hybrid mode."
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:tag " <H> "
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:cursor (bar . 2)
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:message "-- HYBRID --"
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:entry-hook (evil-start-track-last-insertion)
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:exit-hook (evil-cleanup-insert-state evil-stop-track-last-insertion)
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:input-method t
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(cond
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((evil-hybrid-state-p)
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(add-hook 'pre-command-hook #'evil-insert-repeat-hook)
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(unless (eq evil-want-fine-undo t)
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(evil-start-undo-step t)))
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(t
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(remove-hook 'pre-command-hook #'evil-insert-repeat-hook)
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(setq evil-insert-repeat-info evil-repeat-info)
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(evil-set-marker ?^ nil t)
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(unless (eq evil-want-fine-undo t)
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(evil-end-undo-step t (eq evil-want-fine-undo 'fine)))
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(when evil-move-cursor-back
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(when (or (evil-normal-state-p evil-next-state)
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(evil-motion-state-p evil-next-state))
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(evil-move-cursor-back))))))
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(define-key evil-hybrid-state-map [escape] 'evil-normal-state)
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;; Override stock evil function `evil-insert-state-p'
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(defun evil-insert-state-p (&optional state)
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"Whether the current state is insert."
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(and evil-local-mode
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(memq (or state evil-state) '(insert hybrid))))
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(provide 'hybrid-mode)
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