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;;; evil-integration.el --- Integrate Evil with other modules
;; Author: Vegard Øye <vegard_oye at hotmail.com>
;; Maintainer: Vegard Øye <vegard_oye at hotmail.com>
;; Version: 1.2.13
;;
;; This file is NOT part of GNU Emacs.
;;; License:
;; This file is part of Evil.
;;
;; Evil 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.
;;
;; Evil 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 Evil. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This provides evil integration for various emacs modes.
;; Additional keybindings (or default state) should go into evil-keybindings.el.
;;; 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)))
(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))))
;;; Parentheses
(defadvice show-paren-function (around evil disable)
"Match parentheses in Normal state."
(if (if (memq 'not evil-highlight-closing-paren-at-point-states)
(memq evil-state evil-highlight-closing-paren-at-point-states)
(not (memq evil-state evil-highlight-closing-paren-at-point-states)))
ad-do-it
(let ((pos (point)) syntax narrow)
(setq pos
(catch 'end
(dotimes (var (1+ (* 2 evil-show-paren-range)))
(if (zerop (mod var 2))
(setq pos (+ pos var))
(setq pos (- pos var)))
(setq syntax (syntax-class (syntax-after pos)))
(cond
((eq syntax 4)
(setq narrow pos)
(throw 'end pos))
((eq syntax 5)
(throw 'end (1+ pos)))))))
(if pos
(save-excursion
(goto-char pos)
(save-restriction
(when narrow
(narrow-to-region narrow (point-max)))
ad-do-it))
;; prevent the preceding pair from being highlighted
(dolist (ov '(show-paren--overlay
show-paren--overlay-1
show-paren-overlay
show-paren-overlay-1))
(let ((ov (and (boundp ov) (symbol-value ov))))
(when (overlayp ov) (delete-overlay ov))))))))
;;; 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-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-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-ac-repeat)
(evil-add-command-properties 'ac-complete :repeat 'evil-ac-repeat)
(evil-add-command-properties 'ac-expand :repeat 'evil-ac-repeat)
(evil-add-command-properties 'ac-next :repeat 'ignore)
(evil-add-command-properties 'ac-previous :repeat 'ignore)
(defvar evil-ac-prefix-len nil
"The length of the prefix of the current item to be completed.")
(defvar ac-prefix)
(defun evil-ac-repeat (flag)
"Record the changes for auto-completion."
(cond
((eq flag 'pre)
(setq evil-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-ac-prefix-len)
""
evil-ac-prefix-len)
;; Add change to insert the full completed text
(evil-repeat-record-change
(- evil-ac-prefix-len)
(buffer-substring-no-properties (- evil-repeat-pos
evil-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--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--preceding-sexp '((name . evil)))
(advice-add 'pp-last-sexp :around 'evil--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))
;; ace-jump-mode
(declare-function 'ace-jump-char-mode "ace-jump-mode")
(declare-function 'ace-jump-word-mode "ace-jump-mode")
(declare-function 'ace-jump-line-mode "ace-jump-mode")
(defvar evil-ace-jump-active nil)
(defmacro evil-enclose-ace-jump-for-motion (&rest body)
"Enclose ace-jump to make it suitable for motions.
This includes restricting `ace-jump-mode' to the current window
in visual and operator state, deactivating visual updates, saving
the mark and entering `recursive-edit'."
(declare (indent defun)
(debug t))
`(let ((old-mark (mark))
(ace-jump-mode-scope
(if (and (not (memq evil-state '(visual operator)))
(boundp 'ace-jump-mode-scope))
ace-jump-mode-scope
'window)))
(remove-hook 'pre-command-hook #'evil-visual-pre-command t)
(remove-hook 'post-command-hook #'evil-visual-post-command t)
(unwind-protect
(let ((evil-ace-jump-active 'prepare))
(add-hook 'ace-jump-mode-end-hook
#'evil-ace-jump-exit-recursive-edit)
,@body
(when evil-ace-jump-active
(setq evil-ace-jump-active t)
(recursive-edit)))
(remove-hook 'post-command-hook
#'evil-ace-jump-exit-recursive-edit)
(remove-hook 'ace-jump-mode-end-hook
#'evil-ace-jump-exit-recursive-edit)
(if (evil-visual-state-p)
(progn
(add-hook 'pre-command-hook #'evil-visual-pre-command nil t)
(add-hook 'post-command-hook #'evil-visual-post-command nil t)
(set-mark old-mark))
(push-mark old-mark)))))
(eval-after-load 'ace-jump-mode
`(defadvice ace-jump-done (after evil activate)
(when evil-ace-jump-active
(add-hook 'post-command-hook #'evil-ace-jump-exit-recursive-edit))))
(defun evil-ace-jump-exit-recursive-edit ()
"Exit a recursive edit caused by an evil jump."
(cond
((eq evil-ace-jump-active 'prepare)
(setq evil-ace-jump-active nil))
(evil-ace-jump-active
(remove-hook 'post-command-hook #'evil-ace-jump-exit-recursive-edit)
(exit-recursive-edit))))
(evil-define-motion evil-ace-jump-char-mode (count)
"Jump visually directly to a char using ace-jump."
:type inclusive
(evil-without-repeat
(let ((pnt (point))
(buf (current-buffer)))
(evil-enclose-ace-jump-for-motion
(call-interactively 'ace-jump-char-mode))
;; if we jump backwards, motion type is exclusive, analogously
;; to `evil-find-char-backward'
(when (and (equal buf (current-buffer))
(< (point) pnt))
(setq evil-this-type
(cond
((eq evil-this-type 'exclusive) 'inclusive)
((eq evil-this-type 'inclusive) 'exclusive)))))))
(evil-define-motion evil-ace-jump-char-to-mode (count)
"Jump visually to the char in front of a char using ace-jump."
:type inclusive
(evil-without-repeat
(let ((pnt (point))
(buf (current-buffer)))
(evil-enclose-ace-jump-for-motion
(call-interactively 'ace-jump-char-mode))
(if (and (equal buf (current-buffer))
(< (point) pnt))
(progn
(or (eobp) (forward-char))
(setq evil-this-type
(cond
((eq evil-this-type 'exclusive) 'inclusive)
((eq evil-this-type 'inclusive) 'exclusive))))
(backward-char)))))
(evil-define-motion evil-ace-jump-line-mode (count)
"Jump visually to the beginning of a line using ace-jump."
:type line
:repeat abort
(evil-without-repeat
(evil-enclose-ace-jump-for-motion
(call-interactively 'ace-jump-line-mode))))
(evil-define-motion evil-ace-jump-word-mode (count)
"Jump visually to the beginning of a word using ace-jump."
:type exclusive
:repeat abort
(evil-without-repeat
(evil-enclose-ace-jump-for-motion
(call-interactively 'ace-jump-word-mode))))
(define-key evil-motion-state-map [remap ace-jump-char-mode] #'evil-ace-jump-char-mode)
(define-key evil-motion-state-map [remap ace-jump-line-mode] #'evil-ace-jump-line-mode)
(define-key evil-motion-state-map [remap ace-jump-word-mode] #'evil-ace-jump-word-mode)
;;; avy
(declare-function 'avy-goto-word-or-subword-1 "avy")
(declare-function 'avy-goto-line "avy")
(declare-function 'avy-goto-char "avy")
(declare-function 'avy-goto-char-2 "avy")
(declare-function 'avy-goto-char-2-above "avy")
(declare-function 'avy-goto-char-2-below "avy")
(declare-function 'avy-goto-char-in-line "avy")
(declare-function 'avy-goto-word-0 "avy")
(declare-function 'avy-goto-word-1 "avy")
(declare-function 'avy-goto-word-1-above "avy")
(declare-function 'avy-goto-word-1-below "avy")
(declare-function 'avy-goto-subword-0 "avy")
(declare-function 'avy-goto-subword-1 "avy")
(declare-function 'avy-goto-char-timer "avy")
(defmacro evil-enclose-avy-for-motion (&rest body)
"Enclose avy to make it suitable for motions.
Based on `evil-enclose-ace-jump-for-motion'."
(declare (indent defun)
(debug t))
`(let ((avy-all-windows
(if (and (not (memq evil-state '(visual operator)))
(boundp 'avy-all-windows))
avy-all-windows
nil)))
,@body))
(defmacro evil-define-avy-motion (command type)
(declare (indent defun)
(debug t))
(let ((name (intern (format "evil-%s" command))))
`(evil-define-motion ,name (_count)
,(format "Evil motion for `%s'." command)
:type ,type
:jump t
:repeat abort
(evil-without-repeat
(evil-enclose-avy-for-motion
(call-interactively ',command))))))
;; define evil-avy-* motion commands for avy-* commands
(evil-define-avy-motion avy-goto-char inclusive)
(evil-define-avy-motion avy-goto-char-2 inclusive)
(evil-define-avy-motion avy-goto-char-2-above inclusive)
(evil-define-avy-motion avy-goto-char-2-below inclusive)
(evil-define-avy-motion avy-goto-char-in-line inclusive)
(evil-define-avy-motion avy-goto-char-timer inclusive)
(evil-define-avy-motion avy-goto-line line)
(evil-define-avy-motion avy-goto-line-above line)
(evil-define-avy-motion avy-goto-line-below line)
(evil-define-avy-motion avy-goto-subword-0 exclusive)
(evil-define-avy-motion avy-goto-subword-1 exclusive)
(evil-define-avy-motion avy-goto-symbol-1 exclusive)
(evil-define-avy-motion avy-goto-symbol-1-above exclusive)
(evil-define-avy-motion avy-goto-symbol-1-below exclusive)
(evil-define-avy-motion avy-goto-word-0 exclusive)
(evil-define-avy-motion avy-goto-word-1 exclusive)
(evil-define-avy-motion avy-goto-word-1-above exclusive)
(evil-define-avy-motion avy-goto-word-1-below exclusive)
(evil-define-avy-motion avy-goto-word-or-subword-1 exclusive)
;; remap avy-* commands to evil-avy-* commands
(dolist (command '(avy-goto-char
avy-goto-char-2
avy-goto-char-2-above
avy-goto-char-2-below
avy-goto-char-in-line
avy-goto-char-timer
avy-goto-line
avy-goto-line-above
avy-goto-line-below
avy-goto-subword-0
avy-goto-subword-1
avy-goto-symbol-1
avy-goto-symbol-1-above
avy-goto-symbol-1-below
avy-goto-word-0
avy-goto-word-1
avy-goto-word-1-above
avy-goto-word-1-below
avy-goto-word-or-subword-1))
(define-key evil-motion-state-map
(vector 'remap command) (intern-soft (format "evil-%s" command))))
;;; 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)))
;;; ElDoc
(eval-after-load 'eldoc
'(when (fboundp 'eldoc-add-command-completions)
(eldoc-add-command-completions "evil-window-")))
(provide 'evil-integration)
;;; evil-integration.el ends here
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