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;;; evil-collection-integration.el --- Integrate `evil' with other modules. -*- lexical-binding: t -*-
;; Copyright (C) 2017 James Nguyen
;; Author: James Nguyen <james@jojojames.com>
;; Maintainer: James Nguyen <james@jojojames.com>
;; Pierre Neidhardt <ambrevar@gmail.com>
;; URL: https://github.com/emacs-evil/evil-collection
;; Version: 0.0.1
;; Package-Requires: ((emacs "25.1"))
;; Keywords: evil, emacs, tools
;; 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:
;;; Integrate `evil' with other modules.
;;; This is an initial copy of evil-integration.el
;; Previous Author/Maintainer:
;; Author: Vegard Øye <vegard_oye at hotmail.com>
;; Maintainer: Vegard Øye <vegard_oye at hotmail.com>
;;; Code:
(require 'evil-maps)
(require 'evil-core)
(require 'evil-macros)
(require 'evil-types)
(require 'evil-repeat)
;;; Evilize some commands
;; unbound keys should be ignored
(evil-declare-ignore-repeat 'undefined)
(mapc #'(lambda (cmd)
(evil-set-command-property cmd :keep-visual t)
(evil-declare-not-repeat cmd))
'(digit-argument
negative-argument
universal-argument
universal-argument-minus
universal-argument-more
universal-argument-other-key))
(mapc #'evil-declare-not-repeat
'(what-cursor-position))
(mapc #'evil-declare-change-repeat
'(dabbrev-expand
hippie-expand
quoted-insert))
(mapc #'evil-declare-abort-repeat
'(balance-windows
eval-expression
execute-extended-command
exit-minibuffer
compile
delete-window
delete-other-windows
find-file-at-point
ffap-other-window
recompile
redo
save-buffer
split-window
split-window-horizontally
split-window-vertically
undo
undo-tree-redo
undo-tree-undo))
(evil-set-type #'previous-line 'line)
(evil-set-type #'next-line 'line)
(dolist (cmd '(keyboard-quit keyboard-escape-quit))
(evil-set-command-property cmd :suppress-operator t))
;;; Mouse
(evil-declare-insert-at-point-repeat 'mouse-yank-primary)
(evil-declare-insert-at-point-repeat 'mouse-yank-secondary)
;;; key-binding
;; Calling `keyboard-quit' should cancel repeat
(defadvice keyboard-quit (before evil activate)
(when (fboundp 'evil-repeat-abort)
(evil-repeat-abort)))
;; dictionary.el
(evil-add-hjkl-bindings dictionary-mode-map 'motion
"?" 'dictionary-help ; "h"
"C-o" 'dictionary-previous) ; "l"
;;; Dired
(eval-after-load 'wdired
'(progn
(add-hook 'wdired-mode-hook #'evil-change-to-initial-state)
(defadvice wdired-change-to-dired-mode (after evil activate)
(evil-change-to-initial-state nil t))))
;;; ELP
(eval-after-load 'elp
'(defadvice elp-results (after evil activate)
(evil-motion-state)))
;;; Info
(evil-add-hjkl-bindings Info-mode-map 'motion
"0" 'evil-digit-argument-or-evil-beginning-of-line
(kbd "\M-h") 'Info-help ; "h"
"\C-t" 'Info-history-back ; "l"
"\C-o" 'Info-history-back
" " 'Info-scroll-up
"\C-]" 'Info-follow-nearest-node
(kbd "DEL") 'Info-scroll-down)
;;; Speedbar
(evil-add-hjkl-bindings speedbar-key-map 'motion
"h" 'backward-char
"j" 'speedbar-next
"k" 'speedbar-prev
"l" 'forward-char
"i" 'speedbar-item-info
"r" 'speedbar-refresh
"u" 'speedbar-up-directory
"o" 'speedbar-toggle-line-expansion
(kbd "RET") 'speedbar-edit-line)
;;; Undo tree
(when (and (require 'undo-tree nil t)
(fboundp 'global-undo-tree-mode))
(global-undo-tree-mode 1))
(eval-after-load 'undo-tree
'(with-no-warnings
(defun evil-collection-integration-turn-on-undo-tree-mode ()
"Enable `undo-tree-mode' if evil is enabled.
This function enables `undo-tree-mode' when Evil is activated in
some buffer, but only if `global-undo-tree-mode' is also
activated."
(when (and (boundp 'global-undo-tree-mode)
global-undo-tree-mode)
(turn-on-undo-tree-mode)))
(add-hook 'evil-local-mode-hook #'evil-collection-integration-turn-on-undo-tree-mode)
(defadvice undo-tree-visualize (after evil activate)
"Initialize Evil in the visualization buffer."
(when evil-local-mode
(evil-initialize-state)))
(when (fboundp 'undo-tree-visualize)
(evil-ex-define-cmd "undol[ist]" 'undo-tree-visualize)
(evil-ex-define-cmd "ul" 'undo-tree-visualize))
(when (boundp 'undo-tree-visualizer-mode-map)
(define-key undo-tree-visualizer-mode-map
[remap evil-backward-char] 'undo-tree-visualize-switch-branch-left)
(define-key undo-tree-visualizer-mode-map
[remap evil-forward-char] 'undo-tree-visualize-switch-branch-right)
(define-key undo-tree-visualizer-mode-map
[remap evil-next-line] 'undo-tree-visualize-redo)
(define-key undo-tree-visualizer-mode-map
[remap evil-previous-line] 'undo-tree-visualize-undo)
(define-key undo-tree-visualizer-mode-map
[remap evil-ret] 'undo-tree-visualizer-set))
(when (boundp 'undo-tree-visualizer-selection-mode-map)
(define-key undo-tree-visualizer-selection-mode-map
[remap evil-backward-char] 'undo-tree-visualizer-select-left)
(define-key undo-tree-visualizer-selection-mode-map
[remap evil-forward-char] 'undo-tree-visualizer-select-right)
(define-key undo-tree-visualizer-selection-mode-map
[remap evil-next-line] 'undo-tree-visualizer-select-next)
(define-key undo-tree-visualizer-selection-mode-map
[remap evil-previous-line] 'undo-tree-visualizer-select-previous)
(define-key undo-tree-visualizer-selection-mode-map
[remap evil-ret] 'undo-tree-visualizer-set))))
;;; Auto-complete
(eval-after-load 'auto-complete
'(progn
(evil-add-command-properties 'auto-complete :repeat 'evil-collection-integration-ac-repeat)
(evil-add-command-properties 'ac-complete :repeat 'evil-collection-integration-ac-repeat)
(evil-add-command-properties 'ac-expand :repeat 'evil-collection-integration-ac-repeat)
(evil-add-command-properties 'ac-next :repeat 'ignore)
(evil-add-command-properties 'ac-previous :repeat 'ignore)
(defvar evil-collection-integration-ac-prefix-len nil
"The length of the prefix of the current item to be completed.")
(defvar ac-prefix)
(defun evil-collection-integration-ac-repeat (flag)
"Record the changes for auto-completion."
(cond
((eq flag 'pre)
(setq evil-collection-integration-ac-prefix-len (length ac-prefix))
(evil-repeat-start-record-changes))
((eq flag 'post)
;; Add change to remove the prefix
(evil-repeat-record-change (- evil-collection-integration-ac-prefix-len)
""
evil-collection-integration-ac-prefix-len)
;; Add change to insert the full completed text
(evil-repeat-record-change
(- evil-collection-integration-ac-prefix-len)
(buffer-substring-no-properties (- evil-repeat-pos
evil-collection-integration-ac-prefix-len)
(point))
0)
;; Finish repeation
(evil-repeat-finish-record-changes))))))
;;; Company
(eval-after-load 'company
'(progn
(mapc #'evil-declare-change-repeat
'(company-complete-mouse
company-complete-number
company-complete-selection
company-complete-common))
(mapc #'evil-declare-ignore-repeat
'(company-abort
company-select-next
company-select-previous
company-select-next-or-abort
company-select-previous-or-abort
company-select-mouse
company-show-doc-buffer
company-show-location
company-search-candidates
company-filter-candidates))))
;; Eval last sexp
(cond
((version< emacs-version "25")
(defadvice preceding-sexp (around evil activate)
"In normal-state or motion-state, last sexp ends at point."
(if (and (not evil-move-beyond-eol)
(or (evil-normal-state-p) (evil-motion-state-p)))
(save-excursion
(unless (or (eobp) (eolp)) (forward-char))
ad-do-it)
ad-do-it))
(defadvice pp-last-sexp (around evil activate)
"In normal-state or motion-state, last sexp ends at point."
(if (and (not evil-move-beyond-eol)
(or (evil-normal-state-p) (evil-motion-state-p)))
(save-excursion
(unless (or (eobp) (eolp)) (forward-char))
ad-do-it)
ad-do-it)))
(t
(defun evil-collection-integration--preceding-sexp (command &rest args)
"In normal-state or motion-state, last sexp ends at point."
(if (and (not evil-move-beyond-eol)
(or (evil-normal-state-p) (evil-motion-state-p)))
(save-excursion
(unless (or (eobp) (eolp)) (forward-char))
(apply command args))
(apply command args)))
(advice-add 'elisp--preceding-sexp :around 'evil-collection-integration--preceding-sexp '((name . evil)))
(advice-add 'pp-last-sexp :around 'evil-collection-integration--preceding-sexp '((name . evil)))))
;; Show key
(defadvice quail-show-key (around evil activate)
"Temporarily go to Emacs state"
(evil-with-state emacs ad-do-it))
(defadvice describe-char (around evil activate)
"Temporarily go to Emacs state"
(evil-with-state emacs ad-do-it))
;;; nXhtml/mumamo
;; ensure that mumamo does not toggle evil through its globalized mode
(eval-after-load 'mumamo
'(with-no-warnings
(push 'evil-mode-cmhh mumamo-change-major-mode-no-nos)))
;; visual-line-mode integration
(when evil-respect-visual-line-mode
(let ((swaps '((evil-next-line . evil-next-visual-line)
(evil-previous-line . evil-previous-visual-line)
(evil-beginning-of-line . evil-beginning-of-visual-line)
(evil-end-of-line . evil-end-of-visual-line))))
(dolist (swap swaps)
(define-key visual-line-mode-map (vector 'remap (car swap)) (cdr swap))
(define-key visual-line-mode-map (vector 'remap (cdr swap)) (car swap)))))
;;; abbrev.el
(when evil-want-abbrev-expand-on-insert-exit
(eval-after-load 'abbrev
'(add-hook 'evil-insert-state-exit-hook 'expand-abbrev)))
(provide 'evil-collection-integration)
;;; evil-collection-integration.el ends here
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