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+;;; evil-collection-ace-jump-mode.el --- Bindings for `ace-jump-mode' -*- 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:
+;;; Bindings for `ace-jump-mode'
+
+;;; Code:
+(require 'evil-collection)
+(require 'ace-jump-mode nil t)
+
+(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-collection-ace-jump-mode-jump-active nil)
+
+(defmacro evil-collection-ace-jump-mode-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)))
+     (ignore ace-jump-mode-scope) ;; Make byte compiler happy.
+     (remove-hook 'pre-command-hook #'evil-visual-pre-command t)
+     (remove-hook 'post-command-hook #'evil-visual-post-command t)
+     (unwind-protect
+         (let ((evil-collection-ace-jump-mode-jump-active 'prepare))
+           (add-hook 'ace-jump-mode-end-hook
+                     #'evil-collection-ace-jump-mode-jump-exit-recursive-edit)
+           ,@body
+           (when evil-collection-ace-jump-mode-jump-active
+             (setq evil-collection-ace-jump-mode-jump-active t)
+             (recursive-edit)))
+       (remove-hook 'post-command-hook
+                    #'evil-collection-ace-jump-mode-jump-exit-recursive-edit)
+       (remove-hook 'ace-jump-mode-end-hook
+                    #'evil-collection-ace-jump-mode-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)))))
+
+(defun evil-collection-ace-jump-mode-jump-exit-recursive-edit ()
+  "Exit a recursive edit caused by an evil jump."
+  (cond
+   ((eq evil-collection-ace-jump-mode-jump-active 'prepare)
+    (setq evil-collection-ace-jump-mode-jump-active nil))
+   (evil-collection-ace-jump-mode-jump-active
+    (remove-hook 'post-command-hook
+                 #'evil-collection-ace-jump-mode-jump-exit-recursive-edit)
+    (exit-recursive-edit))))
+
+(evil-define-motion evil-ace-jump-char-mode (_)
+  "Jump visually directly to a char using ace-jump."
+  :type inclusive
+  (evil-without-repeat
+    (let ((pnt (point))
+          (buf (current-buffer)))
+      (evil-collection-ace-jump-mode-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 (_)
+  "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-collection-ace-jump-mode-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 (_)
+  "Jump visually to the beginning of a line using ace-jump."
+  :type line
+  :repeat abort
+  (evil-without-repeat
+    (evil-collection-ace-jump-mode-enclose-ace-jump-for-motion
+     (call-interactively 'ace-jump-line-mode))))
+
+(evil-define-motion evil-ace-jump-word-mode (_)
+  "Jump visually to the beginning of a word using ace-jump."
+  :type exclusive
+  :repeat abort
+  (evil-without-repeat
+    (evil-collection-ace-jump-mode-enclose-ace-jump-for-motion
+     (call-interactively 'ace-jump-word-mode))))
+
+(defun evil-collection-ace-jump-mode-setup ()
+  "Set up `evil' bindings for `ace-jump-mode'."
+
+  (defadvice ace-jump-done (after evil activate)
+    (when evil-collection-ace-jump-mode-jump-active
+      (add-hook 'post-command-hook #'evil-collection-ace-jump-mode-jump-exit-recursive-edit)))
+
+  (evil-collection-define-key nil 'evil-motion-state-map
+    [remap ace-jump-char-mode] #'evil-ace-jump-char-mode
+    [remap ace-jump-line-mode] #'evil-ace-jump-line-mode
+    [remap ace-jump-word-mode] #'evil-ace-jump-word-mode))
+
+(provide 'evil-collection-ace-jump-mode)
+;;; evil-collection-ace-jump-mode.el ends here