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;;; evil-collection-minibuffer.el --- Evil bindings for the minibuffer -*- lexical-binding: t -*-
;; Copyright (C) 2017 Pierre Neidhardt
;; Author: Pierre Neidhardt <mail@ambrevar.xyz>
;; Maintainer: James Nguyen <james@jojojames.com>
;; Pierre Neidhardt <mail@ambrevar.xyz>
;; URL: https://github.com/emacs-evil/evil-collection
;; Version: 0.0.1
;; Package-Requires: ((emacs "26.3"))
;; Keywords: evil, minibuffer, tools
;; This file 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, or (at your
;; option) any later version.
;;
;; This file 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.
;;
;; For a full copy of the GNU General Public License
;; see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Evil bindings for the minibuffer.
;;; Code:
(require 'evil-collection)
(defconst evil-collection-minibuffer-maps '(minibuffer-local-map
minibuffer-local-ns-map
minibuffer-local-completion-map
minibuffer-local-must-match-map
minibuffer-local-isearch-map
evil-ex-search-keymap
evil-ex-completion-map))
(defun evil-collection-minibuffer-insert ()
"Switch to insert state.
This function is meant to be hooked in the minibuffer:
(add-hook \='minibuffer-setup-hook \='evil-collection-minibuffer-insert)
`evil-set-initial-state' can not be used for the minibuffer since
it does not have a mode."
(set (make-local-variable 'evil-echo-state) nil)
;; (evil-set-initial-state 'mode 'insert) is the evil-proper
;; way to do this, but the minibuffer doesn't have a mode.
;; The alternative is to create a minibuffer mode (here), but
;; then it may conflict with other packages' if they do the same.
(evil-insert 1))
(evil-define-operator evil-collection-change-in-minibuffer
(beg end type register yank-handler delete-func)
"A version of `evil-change' that won't insert a new line on buffers without one."
(interactive "<R><x><y>")
;; If there was no new line before the change, there should be none after.
;; Delete any new line that might have been inserted and ignore an error if
;; one wasn't.
(let ((new-inserted (and (eq type 'line) (/= ?\n (char-before end)))))
(evil-change beg end type register yank-handler delete-func)
(when new-inserted (ignore-errors (delete-char 1)))))
;;;###autoload
(defun evil-collection-minibuffer-setup ()
"Initialize minibuffer for `evil'."
;; https://www.gnu.org/software/emacs/manual/html_node/elisp/Text-from-Minibuffer.html
(dolist (map evil-collection-minibuffer-maps)
(evil-collection-define-key 'normal map "c" 'evil-collection-change-in-minibuffer)
(evil-collection-define-key 'normal map (kbd "<escape>") 'abort-recursive-edit)
(evil-collection-define-key 'normal map (kbd "RET") 'exit-minibuffer))
(add-hook 'minibuffer-setup-hook 'evil-collection-minibuffer-insert)
;; Because of the above minibuffer-setup-hook, some evil-ex bindings need be reset.
(evil-collection-define-key 'normal 'evil-ex-completion-map (kbd "<escape>") 'abort-recursive-edit)
(evil-collection-define-key 'insert 'evil-ex-completion-map (kbd "C-p") 'previous-complete-history-element)
(evil-collection-define-key 'insert 'evil-ex-completion-map (kbd "C-n") 'next-complete-history-element)
(evil-collection-define-key 'normal 'evil-ex-completion-map (kbd "C-p") 'previous-history-element)
(evil-collection-define-key 'normal 'evil-ex-completion-map (kbd "C-n") 'next-history-element))
(provide 'evil-collection-minibuffer)
;;; evil-collection-minibuffer.el ends here
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