code.delx.au - gnu-emacs-elpa/blob - counsel.el

   1 ;;; counsel.el --- Various completion functions using Ivy -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2015  Free Software Foundation, Inc.
   4
   5 ;; Author: Oleh Krehel <ohwoeowho@gmail.com>
   6 ;; URL: https://github.com/abo-abo/swiper
   7 ;; Version: 0.1.0
   8 ;; Package-Requires: ((emacs "24.1") (swiper "0.4.0"))
   9 ;; Keywords: completion, matching
  10
  11 ;; This file is part of GNU Emacs.
  12
  13 ;; This file is free software; you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation; either version 3, or (at your option)
  16 ;; any later version.
  17
  18 ;; This program is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; For a full copy of the GNU General Public License
  24 ;; see <http://www.gnu.org/licenses/>.
  25
  26 ;;; Commentary:
  27 ;;
  28 ;; Just call one of the interactive functions in this file to complete
  29 ;; the corresponding thing using `ivy'.
  30 ;;
  31 ;; Currently available: Elisp symbols, Clojure symbols, Git files.
  32
  33 ;;; Code:
  34
  35 (require 'swiper)
  36 (require 'etags)
  37
  38 ;;;###autoload
  39 (defun counsel-el ()
  40   "Elisp completion at point."
  41   (interactive)
  42   (let* ((bnd (unless (and (looking-at ")")
  43                            (eq (char-before) ?\())
  44                 (bounds-of-thing-at-point
  45                  'symbol)))
  46          (str (if bnd
  47                   (buffer-substring-no-properties
  48                    (car bnd)
  49                    (cdr bnd))
  50                 ""))
  51          (ivy-height 7)
  52          (funp (eq (char-before (car bnd)) ?\())
  53          symbol-names)
  54     (if bnd
  55         (progn
  56           (setq ivy-completion-beg
  57                 (move-marker (make-marker) (car bnd)))
  58           (setq ivy-completion-end
  59                 (move-marker (make-marker) (cdr bnd))))
  60       (setq ivy-completion-beg nil)
  61       (setq ivy-completion-end nil))
  62     (if (string= str "")
  63         (mapatoms
  64          (lambda (x)
  65            (when (symbolp x)
  66              (push (symbol-name x) symbol-names))))
  67       (setq symbol-names
  68             (all-completions str obarray
  69                              (and funp
  70                                   (lambda (x)
  71                                     (or (functionp x)
  72                                         (macrop x)
  73                                         (special-form-p x)))))))
  74     (ivy-read "Symbol name: " symbol-names
  75               :predicate (and funp #'functionp)
  76               :initial-input str
  77               :action #'ivy-completion-in-region-action)))
  78
  79 (declare-function slime-symbol-start-pos "ext:slime")
  80 (declare-function slime-symbol-end-pos "ext:slime")
  81 (declare-function slime-contextual-completions "ext:slime-c-p-c")
  82
  83 ;;;###autoload
  84 (defun counsel-cl ()
  85   "Common Lisp completion at point."
  86   (interactive)
  87   (setq ivy-completion-beg (slime-symbol-start-pos))
  88   (setq ivy-completion-end (slime-symbol-end-pos))
  89   (ivy-read "Symbol name: "
  90             (car (slime-contextual-completions
  91                   ivy-completion-beg
  92                   ivy-completion-end))
  93             :action #'ivy-completion-in-region-action))
  94
  95 (declare-function deferred:sync! "ext:deferred")
  96 (declare-function jedi:complete-request "ext:jedi-core")
  97 (declare-function jedi:ac-direct-matches "ext:jedi")
  98
  99 (defun counsel-jedi ()
 100   "Python completion at point."
 101   (interactive)
 102   (let ((bnd (bounds-of-thing-at-point 'symbol)))
 103     (if bnd
 104         (progn
 105           (setq ivy-completion-beg (car bnd))
 106           (setq ivy-completion-end (cdr bnd)))
 107       (setq ivy-completion-beg nil)
 108       (setq ivy-completion-end nil)))
 109   (deferred:sync!
 110    (jedi:complete-request))
 111   (ivy-read "Symbol name: " (jedi:ac-direct-matches)
 112             :action #'counsel--py-action))
 113
 114 (defun counsel--py-action (symbol)
 115   "Insert SYMBOL, erasing the previous one."
 116   (when (stringp symbol)
 117     (with-ivy-window
 118       (when ivy-completion-beg
 119         (delete-region
 120          ivy-completion-beg
 121          ivy-completion-end))
 122       (setq ivy-completion-beg
 123             (move-marker (make-marker) (point)))
 124       (insert symbol)
 125       (setq ivy-completion-end
 126             (move-marker (make-marker) (point)))
 127       (when (equal (get-text-property 0 'symbol symbol) "f")
 128         (insert "()")
 129         (setq ivy-completion-end
 130               (move-marker (make-marker) (point)))
 131         (backward-char 1)))))
 132
 133 (defvar counsel-describe-map
 134   (let ((map (make-sparse-keymap)))
 135     (define-key map (kbd "C-.") #'counsel-find-symbol)
 136     (define-key map (kbd "C-,") #'counsel--info-lookup-symbol)
 137     map))
 138
 139 (defun counsel-find-symbol ()
 140   "Jump to the definition of the current symbol."
 141   (interactive)
 142   (ivy-exit-with-action #'counsel--find-symbol))
 143
 144 (defun counsel--info-lookup-symbol ()
 145   "Lookup the current symbol in the info docs."
 146   (interactive)
 147   (ivy-exit-with-action #'counsel-info-lookup-symbol))
 148
 149 (defun counsel--find-symbol (x)
 150   "Find symbol definition that corresponds to string X."
 151   (with-no-warnings
 152     (ring-insert find-tag-marker-ring (point-marker)))
 153   (let ((full-name (get-text-property 0 'full-name x)))
 154     (if full-name
 155         (find-library full-name)
 156       (let ((sym (read x)))
 157         (cond ((and (eq (ivy-state-caller ivy-last)
 158                         'counsel-describe-variable)
 159                     (boundp sym))
 160                (find-variable sym))
 161               ((fboundp sym)
 162                (find-function sym))
 163               ((boundp sym)
 164                (find-variable sym))
 165               ((or (featurep sym)
 166                    (locate-library
 167                     (prin1-to-string sym)))
 168                (find-library
 169                 (prin1-to-string sym)))
 170               (t
 171                (error "Couldn't fild definition of %s"
 172                       sym)))))))
 173
 174 (defvar counsel-describe-symbol-history nil
 175   "History for `counsel-describe-variable' and `counsel-describe-function'.")
 176
 177 (defun counsel-symbol-at-point ()
 178   "Return current symbol at point as a string."
 179   (let ((s (thing-at-point 'symbol)))
 180     (and (stringp s)
 181          (if (string-match "\\`[`']?\\(.*?\\)'?\\'" s)
 182              (match-string 1 s)
 183            s))))
 184
 185 (defun counsel-variable-list ()
 186   "Return the list of all currently bound variables."
 187   (let (cands)
 188     (mapatoms
 189      (lambda (vv)
 190        (when (or (get vv 'variable-documentation)
 191                  (and (boundp vv) (not (keywordp vv))))
 192          (push (symbol-name vv) cands))))
 193     cands))
 194
 195 ;;;###autoload
 196 (defun counsel-describe-variable ()
 197   "Forward to `describe-variable'."
 198   (interactive)
 199   (let ((enable-recursive-minibuffers t))
 200     (ivy-read
 201      "Describe variable: "
 202      (counsel-variable-list)
 203      :keymap counsel-describe-map
 204      :preselect (counsel-symbol-at-point)
 205      :history 'counsel-describe-symbol-history
 206      :require-match t
 207      :sort t
 208      :action (lambda (x)
 209                (describe-variable
 210                 (intern x)))
 211      :caller 'counsel-describe-variable)))
 212
 213 (ivy-set-actions
 214  'counsel-describe-variable
 215  '(("i" counsel-info-lookup-symbol "info")
 216    ("d" counsel--find-symbol "definition")))
 217
 218 (ivy-set-actions
 219  'counsel-describe-function
 220  '(("i" counsel-info-lookup-symbol "info")
 221    ("d" counsel--find-symbol "definition")))
 222
 223 (ivy-set-actions
 224  'counsel-M-x
 225  '(("d" counsel--find-symbol "definition")))
 226
 227 ;;;###autoload
 228 (defun counsel-describe-function ()
 229   "Forward to `describe-function'."
 230   (interactive)
 231   (let ((enable-recursive-minibuffers t))
 232     (ivy-read "Describe function: "
 233               (let (cands)
 234                 (mapatoms
 235                  (lambda (x)
 236                    (when (fboundp x)
 237                      (push (symbol-name x) cands))))
 238                 cands)
 239               :keymap counsel-describe-map
 240               :preselect (counsel-symbol-at-point)
 241               :history 'counsel-describe-symbol-history
 242               :require-match t
 243               :sort t
 244               :action (lambda (x)
 245                         (describe-function
 246                          (intern x)))
 247               :caller 'counsel-describe-function)))
 248
 249 (defvar info-lookup-mode)
 250 (declare-function info-lookup->completions "info-look")
 251 (declare-function info-lookup->mode-value "info-look")
 252 (declare-function info-lookup-select-mode "info-look")
 253 (declare-function info-lookup-change-mode "info-look")
 254 (declare-function info-lookup "info-look")
 255
 256 ;;;###autoload
 257 (defun counsel-info-lookup-symbol (symbol &optional mode)
 258   "Forward to (`info-describe-symbol' SYMBOL MODE) with ivy completion."
 259   (interactive
 260    (progn
 261      (require 'info-look)
 262      (let* ((topic 'symbol)
 263             (mode (cond (current-prefix-arg
 264                          (info-lookup-change-mode topic))
 265                         ((info-lookup->mode-value
 266                           topic (info-lookup-select-mode))
 267                          info-lookup-mode)
 268                         ((info-lookup-change-mode topic))))
 269             (completions (info-lookup->completions topic mode))
 270             (enable-recursive-minibuffers t)
 271             (value (ivy-read
 272                     "Describe symbol: "
 273                     (mapcar #'car completions)
 274                     :sort t)))
 275        (list value info-lookup-mode))))
 276   (require 'info-look)
 277   (info-lookup 'symbol symbol mode))
 278
 279 (defvar counsel-unicode-char-history nil
 280   "History for `counsel-unicode-char'.")
 281
 282 ;;;###autoload
 283 (defun counsel-unicode-char ()
 284   "Insert a Unicode character at point."
 285   (interactive)
 286   (let ((minibuffer-allow-text-properties t))
 287     (setq ivy-completion-beg (point))
 288     (setq ivy-completion-end (point))
 289     (ivy-read "Unicode name: "
 290               (mapcar (lambda (x)
 291                         (propertize
 292                          (format "% -60s%c" (car x) (cdr x))
 293                          'result (cdr x)))
 294                       (ucs-names))
 295               :action (lambda (char)
 296                         (with-ivy-window
 297                           (delete-region ivy-completion-beg ivy-completion-end)
 298                           (setq ivy-completion-beg (point))
 299                           (insert-char (get-text-property 0 'result char))
 300                           (setq ivy-completion-end (point))))
 301               :history 'counsel-unicode-char-history)))
 302
 303 (declare-function cider-sync-request:complete "ext:cider-client")
 304 ;;;###autoload
 305 (defun counsel-clj ()
 306   "Clojure completion at point."
 307   (interactive)
 308   (counsel--generic
 309    (lambda (str)
 310      (mapcar
 311       #'cl-caddr
 312       (cider-sync-request:complete str ":same")))))
 313
 314 (defvar counsel--git-dir nil
 315   "Store the base git directory.")
 316
 317 ;;;###autoload
 318 (defun counsel-git ()
 319   "Find file in the current Git repository."
 320   (interactive)
 321   (setq counsel--git-dir (expand-file-name
 322                           (locate-dominating-file
 323                            default-directory ".git")))
 324   (let* ((default-directory counsel--git-dir)
 325          (cands (split-string
 326                  (shell-command-to-string
 327                   "git ls-files --full-name --")
 328                  "\n"
 329                  t)))
 330     (ivy-read "Find file: " cands
 331               :action #'counsel-git-action)))
 332
 333 (defun counsel-git-action (x)
 334   (with-ivy-window
 335     (let ((default-directory counsel--git-dir))
 336       (find-file x))))
 337
 338 (defvar counsel--git-grep-dir nil
 339   "Store the base git directory.")
 340
 341 (defvar counsel--git-grep-count nil
 342   "Store the line count in current repository.")
 343
 344 (defun counsel-more-chars (n)
 345   "Return two fake candidates prompting for at least N input."
 346   (list ""
 347         (format "%d chars more" (- n (length ivy-text)))))
 348
 349 (defvar counsel-git-grep-cmd "git --no-pager grep --full-name -n --no-color -i -e %S"
 350   "Store the command for `counsel-git-grep'.")
 351
 352 (defun counsel-git-grep-function (string &optional _pred &rest _unused)
 353   "Grep in the current git repository for STRING."
 354   (if (and (> counsel--git-grep-count 20000)
 355            (< (length string) 3))
 356       (counsel-more-chars 3)
 357     (let* ((default-directory counsel--git-grep-dir)
 358            (cmd (format counsel-git-grep-cmd
 359                         (setq ivy--old-re (ivy--regex string t)))))
 360       (if (<= counsel--git-grep-count 20000)
 361           (split-string (shell-command-to-string cmd) "\n" t)
 362         (counsel--gg-candidates (ivy--regex string))
 363         nil))))
 364
 365 (defvar counsel-git-grep-map
 366   (let ((map (make-sparse-keymap)))
 367     (define-key map (kbd "C-l") 'counsel-git-grep-recenter)
 368     (define-key map (kbd "M-q") 'counsel-git-grep-query-replace)
 369     map))
 370
 371 (defun counsel-git-grep-query-replace ()
 372   "Start `query-replace' with string to replace from last search string."
 373   (interactive)
 374   (if (null (window-minibuffer-p))
 375       (user-error
 376        "Should only be called in the minibuffer through `counsel-git-grep-map'")
 377     (let* ((enable-recursive-minibuffers t)
 378            (from (ivy--regex ivy-text))
 379            (to (query-replace-read-to from "Query replace" t)))
 380       (ivy-exit-with-action
 381        (lambda (_)
 382          (let (done-buffers)
 383            (dolist (cand ivy--old-cands)
 384              (when (string-match "\\`\\(.*?\\):\\([0-9]+\\):\\(.*\\)\\'" cand)
 385                (with-ivy-window
 386                  (let ((file-name (match-string-no-properties 1 cand)))
 387                    (setq file-name (expand-file-name file-name counsel--git-grep-dir))
 388                    (unless (member file-name done-buffers)
 389                      (push file-name done-buffers)
 390                      (find-file file-name)
 391                      (goto-char (point-min)))
 392                    (perform-replace from to t t nil)))))))))))
 393
 394 (defun counsel-git-grep-recenter ()
 395   (interactive)
 396   (with-ivy-window
 397     (counsel-git-grep-action ivy--current)
 398     (recenter-top-bottom)))
 399
 400 (defun counsel-git-grep-action (x)
 401   (when (string-match "\\`\\(.*?\\):\\([0-9]+\\):\\(.*\\)\\'" x)
 402     (with-ivy-window
 403       (let ((file-name (match-string-no-properties 1 x))
 404             (line-number (match-string-no-properties 2 x)))
 405         (find-file (expand-file-name file-name counsel--git-grep-dir))
 406         (goto-char (point-min))
 407         (forward-line (1- (string-to-number line-number)))
 408         (re-search-forward (ivy--regex ivy-text t) (line-end-position) t)
 409         (unless (eq ivy-exit 'done)
 410           (swiper--cleanup)
 411           (swiper--add-overlays (ivy--regex ivy-text)))))))
 412
 413 (defvar counsel-git-grep-history nil
 414   "History for `counsel-git-grep'.")
 415
 416 (defvar counsel-git-grep-cmd-history
 417   '("git --no-pager grep --full-name -n --no-color -i -e %S")
 418   "History for `counsel-git-grep' shell commands.")
 419
 420 ;;;###autoload
 421 (defun counsel-git-grep (&optional cmd initial-input)
 422   "Grep for a string in the current git repository.
 423 When CMD is a string, use it as a \"git grep\" command.
 424 When CMD is non-nil, prompt for a specific \"git grep\" command.
 425 INITIAL-INPUT can be given as the initial minibuffer input."
 426   (interactive "P")
 427   (cond
 428     ((stringp cmd)
 429      (setq counsel-git-grep-cmd cmd))
 430     (cmd
 431      (setq counsel-git-grep-cmd
 432            (ivy-read "cmd: " counsel-git-grep-cmd-history
 433                      :history 'counsel-git-grep-cmd-history))
 434      (setq counsel-git-grep-cmd-history
 435            (delete-dups counsel-git-grep-cmd-history)))
 436     (t
 437      (setq counsel-git-grep-cmd "git --no-pager grep --full-name -n --no-color -i -e %S")))
 438   (setq counsel--git-grep-dir
 439         (locate-dominating-file default-directory ".git"))
 440   (if (null counsel--git-grep-dir)
 441       (error "Not in a git repository")
 442     (setq counsel--git-grep-count (counsel--gg-count "" t))
 443     (ivy-read "git grep: " 'counsel-git-grep-function
 444               :initial-input initial-input
 445               :matcher #'counsel-git-grep-matcher
 446               :dynamic-collection (> counsel--git-grep-count 20000)
 447               :keymap counsel-git-grep-map
 448               :action #'counsel-git-grep-action
 449               :unwind #'swiper--cleanup
 450               :history 'counsel-git-grep-history
 451               :caller 'counsel-git-grep)))
 452
 453 (defcustom counsel-find-file-at-point nil
 454   "When non-nil, add file-at-point to the list of candidates."
 455   :type 'boolean
 456   :group 'ivy)
 457
 458 (declare-function ffap-guesser "ffap")
 459
 460 (defvar counsel-find-file-map (make-sparse-keymap))
 461
 462 ;;;###autoload
 463 (defun counsel-find-file (&optional initial-input)
 464   "Forward to `find-file'.
 465 When INITIAL-INPUT is non-nil, use it in the minibuffer during completion."
 466   (interactive)
 467   (ivy-read "Find file: " 'read-file-name-internal
 468             :matcher #'counsel--find-file-matcher
 469             :initial-input initial-input
 470             :action
 471             (lambda (x)
 472               (with-ivy-window
 473                 (find-file (expand-file-name x ivy--directory))))
 474             :preselect (when counsel-find-file-at-point
 475                          (require 'ffap)
 476                          (ffap-guesser))
 477             :require-match 'confirm-after-completion
 478             :history 'file-name-history
 479             :keymap counsel-find-file-map))
 480
 481 (defcustom counsel-find-file-ignore-regexp nil
 482   "A regexp of files to ignore while in `counsel-find-file'.
 483 These files are un-ignored if `ivy-text' matches them.
 484 The common way to show all files is to start `ivy-text' with a dot.
 485 Possible value: \"\\(?:\\`[#.]\\)\\|\\(?:[#~]\\'\\)\"."
 486   :group 'ivy)
 487
 488 (defun counsel--find-file-matcher (regexp candidates)
 489   "Return REGEXP-matching CANDIDATES.
 490 Skip some dotfiles unless `ivy-text' requires them."
 491   (let ((res (ivy--re-filter regexp candidates)))
 492     (if (or (null counsel-find-file-ignore-regexp)
 493             (string-match counsel-find-file-ignore-regexp ivy-text))
 494         res
 495       (cl-remove-if
 496        (lambda (x)
 497          (string-match counsel-find-file-ignore-regexp x))
 498        res))))
 499
 500 (defun counsel-git-grep-matcher (regexp candidates)
 501   (or (and (equal regexp ivy--old-re)
 502            ivy--old-cands)
 503       (prog1
 504           (setq ivy--old-cands
 505                 (cl-remove-if-not
 506                  (lambda (x)
 507                    (ignore-errors
 508                      (when (string-match "^[^:]+:[^:]+:" x)
 509                        (setq x (substring x (match-end 0)))
 510                        (if (stringp regexp)
 511                            (string-match regexp x)
 512                          (let ((res t))
 513                            (dolist (re regexp)
 514                              (setq res
 515                                    (and res
 516                                         (ignore-errors
 517                                           (if (cdr re)
 518                                               (string-match (car re) x)
 519                                             (not (string-match (car re) x)))))))
 520                            res)))))
 521                  candidates))
 522         (setq ivy--old-re regexp))))
 523
 524 (defvar counsel--async-time nil
 525   "Store the time when a new process was started.
 526 Or the time of the last minibuffer update.")
 527
 528 (defun counsel--async-command (cmd)
 529   (let* ((counsel--process " *counsel*")
 530          (proc (get-process counsel--process))
 531          (buff (get-buffer counsel--process)))
 532     (when proc
 533       (delete-process proc))
 534     (when buff
 535       (kill-buffer buff))
 536     (setq proc (start-process-shell-command
 537                 counsel--process
 538                 counsel--process
 539                 cmd))
 540     (setq counsel--async-time (current-time))
 541     (set-process-sentinel proc #'counsel--async-sentinel)
 542     (set-process-filter proc #'counsel--async-filter)))
 543
 544 (defun counsel--async-sentinel (process event)
 545   (if (string= event "finished\n")
 546       (progn
 547         (with-current-buffer (process-buffer process)
 548           (setq ivy--all-candidates
 549                 (ivy--sort-maybe
 550                  (split-string (buffer-string) "\n" t)))
 551           (if (null ivy--old-cands)
 552               (setq ivy--index
 553                     (or (ivy--preselect-index
 554                          (ivy-state-preselect ivy-last)
 555                          ivy--all-candidates)
 556                         0))
 557             (let ((re (funcall ivy--regex-function ivy-text)))
 558               (unless (stringp re)
 559                 (setq re (caar re)))
 560               (ivy--recompute-index
 561                ivy-text re ivy--all-candidates)))
 562           (setq ivy--old-cands ivy--all-candidates))
 563         (if (null ivy--all-candidates)
 564             (ivy--insert-minibuffer "")
 565           (ivy--exhibit)))
 566     (if (string= event "exited abnormally with code 1\n")
 567         (progn
 568           (setq ivy--all-candidates '("Error"))
 569           (setq ivy--old-cands ivy--all-candidates)
 570           (ivy--exhibit)))))
 571
 572 (defun counsel--async-filter (process str)
 573   "Receive from PROCESS the output STR.
 574 Update the minibuffer with the amount of lines collected every
 575 0.5 seconds since the last update."
 576   (with-current-buffer (process-buffer process)
 577     (insert str))
 578   (let (size)
 579     (when (time-less-p
 580            ;; 0.5s
 581            '(0 0 500000 0)
 582            (time-since counsel--async-time))
 583       (with-current-buffer (process-buffer process)
 584         (goto-char (point-min))
 585         (setq size (- (buffer-size) (forward-line (buffer-size)))))
 586       (ivy--insert-minibuffer
 587        (format "\ncollected: %d" size))
 588       (setq counsel--async-time (current-time)))))
 589
 590 (defun counsel-locate-action-extern (x)
 591   "Use xdg-open shell command on X."
 592   (call-process shell-file-name nil
 593                 nil nil
 594                 shell-command-switch
 595                 (format "%s %s"
 596                         (if (eq system-type 'darwin)
 597                                     "open"
 598                                   "xdg-open")
 599                         (shell-quote-argument x))))
 600
 601 (declare-function dired-jump "dired-x")
 602 (defun counsel-locate-action-dired (x)
 603   "Use `dired-jump' on X."
 604   (dired-jump nil x))
 605
 606 (defvar counsel-locate-history nil
 607   "History for `counsel-locate'.")
 608
 609 (defcustom counsel-locate-options (if (eq system-type 'darwin)
 610                                       '("-i")
 611                                     '("-i" "--regex"))
 612   "Command line options for `locate`."
 613   :group 'ivy
 614   :type  '(repeat string))
 615
 616 (ivy-set-actions
 617  'counsel-locate
 618  '(("x" counsel-locate-action-extern "xdg-open")
 619    ("d" counsel-locate-action-dired "dired")))
 620
 621 (defun counsel-unquote-regex-parens (str)
 622   (replace-regexp-in-string
 623    "\\\\)" ")"
 624    (replace-regexp-in-string
 625     "\\\\(" "("
 626     str)))
 627
 628 (defun counsel-locate-function (str &rest _u)
 629   (if (< (length str) 3)
 630       (counsel-more-chars 3)
 631     (counsel--async-command
 632      (format "locate %s '%s'"
 633              (mapconcat #'identity counsel-locate-options " ")
 634              (counsel-unquote-regex-parens
 635               (ivy--regex str))))
 636     '("" "working...")))
 637
 638 (defun counsel-delete-process ()
 639   (let ((process (get-process " *counsel*")))
 640     (when process
 641       (delete-process process))))
 642
 643 ;;;###autoload
 644 (defun counsel-locate (&optional initial-input)
 645   "Call the \"locate\" shell command.
 646 INITIAL-INPUT can be given as the initial minibuffer input."
 647   (interactive)
 648   (ivy-read "Locate: " #'counsel-locate-function
 649             :initial-input initial-input
 650             :dynamic-collection t
 651             :history 'counsel-locate-history
 652             :action (lambda (file)
 653                       (with-ivy-window
 654                         (when file
 655                           (find-file file))))
 656             :unwind #'counsel-delete-process))
 657
 658 (defun counsel--generic (completion-fn)
 659   "Complete thing at point with COMPLETION-FN."
 660   (let* ((bnd (bounds-of-thing-at-point 'symbol))
 661          (str (if bnd
 662                   (buffer-substring-no-properties
 663                    (car bnd) (cdr bnd))
 664                 ""))
 665          (candidates (funcall completion-fn str))
 666          (ivy-height 7)
 667          (res (ivy-read (format "pattern (%s): " str)
 668                         candidates)))
 669     (when (stringp res)
 670       (when bnd
 671         (delete-region (car bnd) (cdr bnd)))
 672       (insert res))))
 673
 674 (defun counsel-directory-parent (dir)
 675   "Return the directory parent of directory DIR."
 676   (concat (file-name-nondirectory
 677            (directory-file-name dir)) "/"))
 678
 679 (defun counsel-string-compose (prefix str)
 680   "Make PREFIX the display prefix of STR though text properties."
 681   (let ((str (copy-sequence str)))
 682     (put-text-property
 683      0 1 'display
 684      (concat prefix (substring str 0 1))
 685      str)
 686     str))
 687
 688 ;;;###autoload
 689 (defun counsel-load-library ()
 690   "Load a selected the Emacs Lisp library.
 691 The libraries are offered from `load-path'."
 692   (interactive)
 693   (let ((dirs load-path)
 694         (suffix (concat (regexp-opt '(".el" ".el.gz") t) "\\'"))
 695         (cands (make-hash-table :test #'equal))
 696         short-name
 697         old-val
 698         dir-parent
 699         res)
 700     (dolist (dir dirs)
 701       (when (file-directory-p dir)
 702         (dolist (file (file-name-all-completions "" dir))
 703           (when (string-match suffix file)
 704             (unless (string-match "pkg.elc?$" file)
 705               (setq short-name (substring file 0 (match-beginning 0)))
 706               (if (setq old-val (gethash short-name cands))
 707                   (progn
 708                     ;; assume going up directory once will resolve name clash
 709                     (setq dir-parent (counsel-directory-parent (cdr old-val)))
 710                     (puthash short-name
 711                              (cons
 712                               (counsel-string-compose dir-parent (car old-val))
 713                               (cdr old-val))
 714                              cands)
 715                     (setq dir-parent (counsel-directory-parent dir))
 716                     (puthash (concat dir-parent short-name)
 717                              (cons
 718                               (propertize
 719                                (counsel-string-compose
 720                                 dir-parent short-name)
 721                                'full-name (expand-file-name file dir))
 722                               dir)
 723                              cands))
 724                 (puthash short-name
 725                          (cons (propertize
 726                                 short-name
 727                                 'full-name (expand-file-name file dir))
 728                                dir) cands)))))))
 729     (maphash (lambda (_k v) (push (car v) res)) cands)
 730     (ivy-read "Load library: " (nreverse res)
 731               :action (lambda (x)
 732                         (load-library
 733                          (get-text-property 0 'full-name x)))
 734               :keymap counsel-describe-map)))
 735
 736 (defvar counsel-gg-state nil
 737   "The current state of candidates / count sync.")
 738
 739 (defun counsel--gg-candidates (regex)
 740   "Return git grep candidates for REGEX."
 741   (setq counsel-gg-state -2)
 742   (counsel--gg-count regex)
 743   (let* ((default-directory counsel--git-grep-dir)
 744          (counsel-gg-process " *counsel-gg*")
 745          (proc (get-process counsel-gg-process))
 746          (buff (get-buffer counsel-gg-process)))
 747     (when proc
 748       (delete-process proc))
 749     (when buff
 750       (kill-buffer buff))
 751     (setq proc (start-process-shell-command
 752                 counsel-gg-process
 753                 counsel-gg-process
 754                 (concat
 755                  (format counsel-git-grep-cmd regex)
 756                  " | head -n 200")))
 757     (set-process-sentinel
 758      proc
 759      #'counsel--gg-sentinel)))
 760
 761 (defun counsel--gg-sentinel (process event)
 762   (if (string= event "finished\n")
 763       (progn
 764         (with-current-buffer (process-buffer process)
 765           (setq ivy--all-candidates
 766                 (or (split-string (buffer-string) "\n" t)
 767                     '("")))
 768           (setq ivy--old-cands ivy--all-candidates))
 769         (when (= 0 (cl-incf counsel-gg-state))
 770           (ivy--exhibit)))
 771     (if (string= event "exited abnormally with code 1\n")
 772         (progn
 773           (setq ivy--all-candidates '("Error"))
 774           (setq ivy--old-cands ivy--all-candidates)
 775           (ivy--exhibit)))))
 776
 777 (defun counsel--gg-count (regex &optional no-async)
 778   "Quickly and asynchronously count the amount of git grep REGEX matches.
 779 When NO-ASYNC is non-nil, do it synchronously."
 780   (let ((default-directory counsel--git-grep-dir)
 781         (cmd
 782          (concat
 783           (format
 784            (replace-regexp-in-string
 785             "--full-name" "-c"
 786             counsel-git-grep-cmd)
 787            ;; "git grep -i -c '%s'"
 788            (replace-regexp-in-string
 789             "-" "\\\\-"
 790             (replace-regexp-in-string "'" "''" regex)))
 791           " | sed 's/.*:\\(.*\\)/\\1/g' | awk '{s+=$1} END {print s}'"))
 792         (counsel-ggc-process " *counsel-gg-count*"))
 793     (if no-async
 794         (string-to-number (shell-command-to-string cmd))
 795       (let ((proc (get-process counsel-ggc-process))
 796             (buff (get-buffer counsel-ggc-process)))
 797         (when proc
 798           (delete-process proc))
 799         (when buff
 800           (kill-buffer buff))
 801         (setq proc (start-process-shell-command
 802                     counsel-ggc-process
 803                     counsel-ggc-process
 804                     cmd))
 805         (set-process-sentinel
 806          proc
 807          #'(lambda (process event)
 808              (when (string= event "finished\n")
 809                (with-current-buffer (process-buffer process)
 810                  (setq ivy--full-length (string-to-number (buffer-string))))
 811                (when (= 0 (cl-incf counsel-gg-state))
 812                  (ivy--exhibit)))))))))
 813
 814 (defun counsel--M-x-transformer (cand-pair)
 815   "Add a binding to CAND-PAIR cdr if the car is bound in the current window.
 816 CAND-PAIR is (command-name . extra-info)."
 817   (let* ((command-name (car cand-pair))
 818          (extra-info (cdr cand-pair))
 819          (binding (substitute-command-keys (format "\\[%s]" command-name))))
 820     (setq binding (replace-regexp-in-string "C-x 6" "<f2>" binding))
 821     (if (string-match "^M-x" binding)
 822         cand-pair
 823       (cons command-name
 824             (if extra-info
 825                 (format " %s (%s)" extra-info (propertize binding 'face 'font-lock-keyword-face))
 826               (format " (%s)" (propertize binding 'face 'font-lock-keyword-face)))))))
 827
 828 (defvar smex-initialized-p)
 829 (defvar smex-ido-cache)
 830 (declare-function smex-initialize "ext:smex")
 831 (declare-function smex-detect-new-commands "ext:smex")
 832 (declare-function smex-update "ext:smex")
 833 (declare-function smex-rank "ext:smex")
 834
 835 (defun counsel--M-x-prompt ()
 836   "M-x plus the string representation of `current-prefix-arg'."
 837   (if (not current-prefix-arg)
 838       "M-x "
 839     (concat
 840      (if (eq current-prefix-arg '-)
 841          "- "
 842        (if (integerp current-prefix-arg)
 843            (format "%d " current-prefix-arg)
 844          (if (= (car current-prefix-arg) 4)
 845              "C-u "
 846            (format "%d " (car current-prefix-arg)))))
 847      "M-x ")))
 848
 849 ;;;###autoload
 850 (defun counsel-M-x (&optional initial-input)
 851   "Ivy version of `execute-extended-command'.
 852 Optional INITIAL-INPUT is the initial input in the minibuffer."
 853   (interactive)
 854   (unless initial-input
 855     (setq initial-input (cdr (assoc this-command
 856                                     ivy-initial-inputs-alist))))
 857   (let* ((store ivy-format-function)
 858          (ivy-format-function
 859           (lambda (cand-pairs)
 860             (funcall
 861              store
 862              (with-ivy-window
 863                (mapcar #'counsel--M-x-transformer cand-pairs)))))
 864          (cands obarray)
 865          (pred 'commandp)
 866          (sort t))
 867     (when (require 'smex nil 'noerror)
 868       (unless smex-initialized-p
 869         (smex-initialize))
 870       (smex-detect-new-commands)
 871       (smex-update)
 872       (setq cands smex-ido-cache)
 873       (setq pred nil)
 874       (setq sort nil))
 875     (ivy-read (counsel--M-x-prompt) cands
 876               :predicate pred
 877               :require-match t
 878               :history 'extended-command-history
 879               :action
 880               (lambda (cmd)
 881                 (when (featurep 'smex)
 882                   (smex-rank (intern cmd)))
 883                 (let ((prefix-arg current-prefix-arg)
 884                       (ivy-format-function store)
 885                       (this-command (intern cmd)))
 886                   (command-execute (intern cmd) 'record)))
 887               :sort sort
 888               :keymap counsel-describe-map
 889               :initial-input initial-input
 890               :caller 'counsel-M-x)))
 891
 892 (declare-function powerline-reset "ext:powerline")
 893
 894 (defun counsel--load-theme-action (x)
 895   "Disable current themes and load theme X."
 896   (condition-case nil
 897       (progn
 898         (mapc #'disable-theme custom-enabled-themes)
 899         (load-theme (intern x))
 900         (when (fboundp 'powerline-reset)
 901           (powerline-reset)))
 902     (error "Problem loading theme %s" x)))
 903
 904 ;;;###autoload
 905 (defun counsel-load-theme ()
 906   "Forward to `load-theme'.
 907 Usable with `ivy-resume', `ivy-next-line-and-call' and
 908 `ivy-previous-line-and-call'."
 909   (interactive)
 910   (ivy-read "Load custom theme: "
 911             (mapcar 'symbol-name
 912                     (custom-available-themes))
 913             :action #'counsel--load-theme-action))
 914
 915 (defvar rhythmbox-library)
 916 (declare-function rhythmbox-load-library "ext:helm-rhythmbox")
 917 (declare-function dbus-call-method "dbus")
 918 (declare-function rhythmbox-song-uri "ext:helm-rhythmbox")
 919 (declare-function helm-rhythmbox-candidates "ext:helm-rhythmbox")
 920
 921 (defun counsel-rhythmbox-enqueue-song (song)
 922   "Let Rhythmbox enqueue SONG."
 923   (let ((service "org.gnome.Rhythmbox3")
 924         (path "/org/gnome/Rhythmbox3/PlayQueue")
 925         (interface "org.gnome.Rhythmbox3.PlayQueue"))
 926     (dbus-call-method :session service path interface
 927                       "AddToQueue" (rhythmbox-song-uri song))))
 928
 929 (defvar counsel-rhythmbox-history nil
 930   "History for `counsel-rhythmbox'.")
 931
 932 ;;;###autoload
 933 (defun counsel-rhythmbox ()
 934   "Choose a song from the Rhythmbox library to play or enqueue."
 935   (interactive)
 936   (unless (require 'helm-rhythmbox nil t)
 937     (error "Please install `helm-rhythmbox'"))
 938   (unless rhythmbox-library
 939     (rhythmbox-load-library)
 940     (while (null rhythmbox-library)
 941       (sit-for 0.1)))
 942   (ivy-read "Rhythmbox: "
 943             (helm-rhythmbox-candidates)
 944             :history 'counsel-rhythmbox-history
 945             :action
 946             '(1
 947               ("p" helm-rhythmbox-play-song "Play song")
 948               ("e" counsel-rhythmbox-enqueue-song "Enqueue song"))
 949             :caller 'counsel-rhythmbox))
 950
 951 (defvar counsel-org-tags nil
 952   "Store the current list of tags.")
 953
 954 (defvar org-outline-regexp)
 955 (defvar org-indent-mode)
 956 (defvar org-indent-indentation-per-level)
 957 (defvar org-tags-column)
 958 (declare-function org-get-tags-string "org")
 959 (declare-function org-move-to-column "org-compat")
 960
 961 (defun counsel-org-change-tags (tags)
 962   (let ((current (org-get-tags-string))
 963         (col (current-column))
 964         level)
 965     ;; Insert new tags at the correct column
 966     (beginning-of-line 1)
 967     (setq level (or (and (looking-at org-outline-regexp)
 968                          (- (match-end 0) (point) 1))
 969                     1))
 970     (cond
 971       ((and (equal current "") (equal tags "")))
 972       ((re-search-forward
 973         (concat "\\([ \t]*" (regexp-quote current) "\\)[ \t]*$")
 974         (point-at-eol) t)
 975        (if (equal tags "")
 976            (delete-region
 977             (match-beginning 0)
 978             (match-end 0))
 979          (goto-char (match-beginning 0))
 980          (let* ((c0 (current-column))
 981                 ;; compute offset for the case of org-indent-mode active
 982                 (di (if (bound-and-true-p org-indent-mode)
 983                         (* (1- org-indent-indentation-per-level) (1- level))
 984                       0))
 985                 (p0 (if (equal (char-before) ?*) (1+ (point)) (point)))
 986                 (tc (+ org-tags-column (if (> org-tags-column 0) (- di) di)))
 987                 (c1 (max (1+ c0) (if (> tc 0) tc (- (- tc) (string-width tags)))))
 988                 (rpl (concat (make-string (max 0 (- c1 c0)) ?\ ) tags)))
 989            (replace-match rpl t t)
 990            (and c0 indent-tabs-mode (tabify p0 (point)))
 991            tags)))
 992       (t (error "Tags alignment failed")))
 993     (org-move-to-column col)))
 994
 995 (defun counsel-org--set-tags ()
 996   (counsel-org-change-tags
 997    (if counsel-org-tags
 998        (format ":%s:"
 999                (mapconcat #'identity counsel-org-tags ":"))
1000      "")))
1001
1002 (defvar org-agenda-bulk-marked-entries)
1003
1004 (declare-function org-get-at-bol "org")
1005 (declare-function org-agenda-error "org-agenda")
1006
1007 (defun counsel-org-tag-action (x)
1008   (if (member x counsel-org-tags)
1009       (progn
1010         (setq counsel-org-tags (delete x counsel-org-tags)))
1011     (unless (equal x "")
1012       (setq counsel-org-tags (append counsel-org-tags (list x)))
1013       (unless (member x ivy--all-candidates)
1014         (setq ivy--all-candidates (append ivy--all-candidates (list x))))))
1015   (let ((prompt (counsel-org-tag-prompt)))
1016     (setf (ivy-state-prompt ivy-last) prompt)
1017     (setq ivy--prompt (concat "%-4d " prompt)))
1018   (cond ((memq this-command '(ivy-done
1019                               ivy-alt-done
1020                               ivy-immediate-done))
1021          (if (eq major-mode 'org-agenda-mode)
1022              (if (null org-agenda-bulk-marked-entries)
1023                  (let ((hdmarker (or (org-get-at-bol 'org-hd-marker)
1024                                      (org-agenda-error))))
1025                    (with-current-buffer (marker-buffer hdmarker)
1026                      (goto-char hdmarker)
1027                      (counsel-org--set-tags)))
1028                (let ((add-tags (copy-sequence counsel-org-tags)))
1029                  (dolist (m org-agenda-bulk-marked-entries)
1030                    (with-current-buffer (marker-buffer m)
1031                      (save-excursion
1032                        (goto-char m)
1033                        (setq counsel-org-tags
1034                              (delete-dups
1035                               (append (split-string (org-get-tags-string) ":" t)
1036                                       add-tags)))
1037                        (counsel-org--set-tags))))))
1038            (counsel-org--set-tags)))
1039         ((eq this-command 'ivy-call)
1040          (delete-minibuffer-contents))))
1041
1042 (defun counsel-org-tag-prompt ()
1043   (format "Tags (%s): "
1044           (mapconcat #'identity counsel-org-tags ", ")))
1045
1046 (defvar org-setting-tags)
1047 (defvar org-last-tags-completion-table)
1048 (defvar org-tag-persistent-alist)
1049 (defvar org-tag-alist)
1050 (defvar org-complete-tags-always-offer-all-agenda-tags)
1051
1052 (declare-function org-at-heading-p "org")
1053 (declare-function org-back-to-heading "org")
1054 (declare-function org-get-buffer-tags "org")
1055 (declare-function org-global-tags-completion-table "org")
1056 (declare-function org-agenda-files "org")
1057 (declare-function org-agenda-set-tags "org-agenda")
1058
1059 ;;;###autoload
1060 (defun counsel-org-tag ()
1061   "Add or remove tags in org-mode."
1062   (interactive)
1063   (save-excursion
1064     (if (eq major-mode 'org-agenda-mode)
1065         (if org-agenda-bulk-marked-entries
1066             (setq counsel-org-tags nil)
1067           (let ((hdmarker (or (org-get-at-bol 'org-hd-marker)
1068                               (org-agenda-error))))
1069             (with-current-buffer (marker-buffer hdmarker)
1070               (goto-char hdmarker)
1071               (setq counsel-org-tags
1072                     (split-string (org-get-tags-string) ":" t)))))
1073       (unless (org-at-heading-p)
1074         (org-back-to-heading t))
1075       (setq counsel-org-tags (split-string (org-get-tags-string) ":" t)))
1076     (let ((org-setting-tags t)
1077           (org-last-tags-completion-table
1078            (append org-tag-persistent-alist
1079                    (or org-tag-alist (org-get-buffer-tags))
1080                    (and
1081                     (or org-complete-tags-always-offer-all-agenda-tags
1082                         (eq major-mode 'org-agenda-mode))
1083                     (org-global-tags-completion-table
1084                      (org-agenda-files))))))
1085       (ivy-read (counsel-org-tag-prompt)
1086                 (lambda (str &rest _unused)
1087                   (delete-dups
1088                    (all-completions str 'org-tags-completion-function)))
1089                 :history 'org-tags-history
1090                 :action 'counsel-org-tag-action))))
1091
1092 ;;;###autoload
1093 (defun counsel-org-tag-agenda ()
1094   "Set tags for the current agenda item."
1095   (interactive)
1096   (let ((store (symbol-function 'org-set-tags)))
1097     (unwind-protect
1098          (progn
1099            (fset 'org-set-tags
1100                  (symbol-function 'counsel-org-tag))
1101            (org-agenda-set-tags nil nil))
1102       (fset 'org-set-tags store))))
1103
1104 (defcustom counsel-ag-base-command "ag --vimgrep %S"
1105   "Format string to use in `cousel-ag-function' to construct the
1106 command. %S will be replaced by the regex string. The default is
1107 \"ag --vimgrep %S\"."
1108   :type 'stringp
1109   :group 'ivy)
1110
1111 (defun counsel-ag-function (string &optional _pred &rest _unused)
1112   "Grep in the current directory for STRING."
1113   (if (< (length string) 3)
1114       (counsel-more-chars 3)
1115     (let ((default-directory counsel--git-grep-dir)
1116           (regex (counsel-unquote-regex-parens
1117                   (setq ivy--old-re
1118                         (ivy--regex string)))))
1119       (counsel--async-command
1120        (format counsel-ag-base-command regex))
1121       nil)))
1122
1123 ;;;###autoload
1124 (defun counsel-ag (&optional initial-input initial-directory)
1125   "Grep for a string in the current directory using ag.
1126 INITIAL-INPUT can be given as the initial minibuffer input."
1127   (interactive)
1128   (setq counsel--git-grep-dir (or initial-directory default-directory))
1129   (ivy-read "ag: " 'counsel-ag-function
1130             :initial-input initial-input
1131             :dynamic-collection t
1132             :history 'counsel-git-grep-history
1133             :action #'counsel-git-grep-action
1134             :unwind (lambda ()
1135                       (counsel-delete-process)
1136                       (swiper--cleanup))))
1137
1138 ;;;###autoload
1139 (defun counsel-grep ()
1140   "Grep for a string in the current file."
1141   (interactive)
1142   (setq counsel--git-grep-dir (buffer-file-name))
1143   (ivy-read "grep: " 'counsel-grep-function
1144             :dynamic-collection t
1145             :preselect (format "%d:%s"
1146                                (line-number-at-pos)
1147                                (buffer-substring-no-properties
1148                                 (line-beginning-position)
1149                                 (line-end-position)))
1150             :history 'counsel-git-grep-history
1151             :update-fn (lambda ()
1152                          (counsel-grep-action ivy--current))
1153             :action #'counsel-grep-action
1154             :unwind (lambda ()
1155                       (counsel-delete-process)
1156                       (swiper--cleanup))
1157             :caller 'counsel-grep))
1158
1159 (defun counsel-grep-function (string &optional _pred &rest _unused)
1160   "Grep in the current directory for STRING."
1161   (if (< (length string) 3)
1162       (counsel-more-chars 3)
1163     (let ((regex (counsel-unquote-regex-parens
1164                   (setq ivy--old-re
1165                         (ivy--regex string)))))
1166       (counsel--async-command
1167        (format "grep -nP --ignore-case '%s' %s" regex counsel--git-grep-dir))
1168       nil)))
1169
1170 (defun counsel-grep-action (x)
1171   (when (string-match "\\`\\([0-9]+\\):\\(.*\\)\\'" x)
1172     (with-ivy-window
1173       (let ((file-name counsel--git-grep-dir)
1174             (line-number (match-string-no-properties 1 x)))
1175         (find-file file-name)
1176         (goto-char (point-min))
1177         (forward-line (1- (string-to-number line-number)))
1178         (re-search-forward (ivy--regex ivy-text t) (line-end-position) t)
1179         (unless (eq ivy-exit 'done)
1180           (swiper--cleanup)
1181           (swiper--add-overlays (ivy--regex ivy-text)))))))
1182
1183 (defun counsel-recoll-function (string &optional _pred &rest _unused)
1184   "Grep in the current directory for STRING."
1185   (if (< (length string) 3)
1186       (counsel-more-chars 3)
1187     (counsel--async-command
1188      (format "recoll -t -b '%s'" string))
1189     nil))
1190
1191 ;; This command uses the recollq command line tool that comes together
1192 ;; with the recoll (the document indexing database) source:
1193 ;;     http://www.lesbonscomptes.com/recoll/download.html
1194 ;; You need to build it yourself (together with recoll):
1195 ;;     cd ./query && make && sudo cp recollq /usr/local/bin
1196 ;; You can try the GUI version of recoll with:
1197 ;;     sudo apt-get install recoll
1198 ;; Unfortunately, that does not install recollq.
1199 (defun counsel-recoll (&optional initial-input)
1200   "Search for a string in the recoll database.
1201 You'll be given a list of files that match.
1202 Selecting a file will launch `swiper' for that file.
1203 INITIAL-INPUT can be given as the initial minibuffer input."
1204   (interactive)
1205   (ivy-read "recoll: " 'counsel-recoll-function
1206             :initial-input initial-input
1207             :dynamic-collection t
1208             :history 'counsel-git-grep-history
1209             :action (lambda (x)
1210                       (when (string-match "file://\\(.*\\)\\'" x)
1211                         (let ((file-name (match-string 1 x)))
1212                           (find-file file-name)
1213                           (unless (string-match "pdf$" x)
1214                             (swiper ivy-text)))))))
1215
1216 (defvar tmm-km-list nil)
1217 (declare-function tmm-get-keymap "tmm")
1218 (declare-function tmm--completion-table "tmm")
1219 (declare-function tmm-get-keybind "tmm")
1220
1221 (defun counsel-tmm-prompt (menu)
1222   "Select and call an item from the MENU keymap."
1223   (let (out
1224         choice
1225         chosen-string)
1226     (setq tmm-km-list nil)
1227     (map-keymap (lambda (k v) (tmm-get-keymap (cons k v))) menu)
1228     (setq tmm-km-list (nreverse tmm-km-list))
1229     (setq out (ivy-read "Menu bar: " (tmm--completion-table tmm-km-list)
1230                         :require-match t
1231                         :sort nil))
1232     (setq choice (cdr (assoc out tmm-km-list)))
1233     (setq chosen-string (car choice))
1234     (setq choice (cdr choice))
1235     (cond ((keymapp choice)
1236            (counsel-tmm-prompt choice))
1237           ((and choice chosen-string)
1238            (setq last-command-event chosen-string)
1239            (call-interactively choice)))))
1240
1241 (defun counsel-tmm ()
1242   "Text-mode emulation of looking and choosing from a menubar."
1243   (interactive)
1244   (require 'tmm)
1245   (run-hooks 'menu-bar-update-hook)
1246   (counsel-tmm-prompt (tmm-get-keybind [menu-bar])))
1247
1248 (defcustom counsel-yank-pop-truncate nil
1249   "When non-nil, truncate the display of long strings."
1250   :group 'ivy)
1251
1252 ;;;###autoload
1253 (defun counsel-yank-pop ()
1254   "Ivy replacement for `yank-pop'."
1255   (interactive)
1256   (if (eq last-command 'yank)
1257       (progn
1258         (setq ivy-completion-end (point))
1259         (setq ivy-completion-beg
1260               (save-excursion
1261                 (search-backward (car kill-ring))
1262                 (point))))
1263     (setq ivy-completion-beg (point))
1264     (setq ivy-completion-end (point)))
1265   (let ((candidates (cl-remove-if
1266                      (lambda (s)
1267                        (or (< (length s) 3)
1268                            (string-match "\\`[\n[:blank:]]+\\'" s)))
1269                      (delete-dups kill-ring))))
1270     (when counsel-yank-pop-truncate
1271       (setq candidates
1272             (mapcar (lambda (s)
1273                       (if (string-match "\\`\\(.*\n.*\n.*\n.*\\)\n" s)
1274                           (progn
1275                             (let ((s (copy-sequence s)))
1276                               (put-text-property
1277                                (match-end 1)
1278                                (length s)
1279                                'display
1280                                " [...]"
1281                                s)
1282                               s))
1283                         s))
1284                     candidates)))
1285     (ivy-read "kill-ring: " candidates
1286               :action 'counsel-yank-pop-action)))
1287
1288 (defun counsel-yank-pop-action (s)
1289   "Insert S into the buffer, overwriting the previous yank."
1290   (with-ivy-window
1291     (delete-region ivy-completion-beg
1292                    ivy-completion-end)
1293     (insert (substring-no-properties s))
1294     (setq ivy-completion-end (point))))
1295
1296 (defvar imenu-auto-rescan)
1297 (declare-function imenu--subalist-p "imenu")
1298 (declare-function imenu--make-index-alist "imenu")
1299
1300 (defun counsel-imenu-get-candidates-from (alist &optional prefix)
1301   "Create a list of (key . value) from ALIST.
1302 PREFIX is used to create the key."
1303   (cl-mapcan (lambda (elm)
1304                (if (imenu--subalist-p elm)
1305                    (counsel-imenu-get-candidates-from
1306                     (cl-loop for (e . v) in (cdr elm) collect
1307                          (cons e (if (integerp v) (copy-marker v) v)))
1308                     (concat prefix (if prefix ".") (car elm)))
1309                  (list
1310                   (cons (concat prefix (if prefix ".") (car elm))
1311                         (if (overlayp (cdr elm))
1312                             (overlay-start (cdr elm))
1313                           (cdr elm))))))
1314              alist))
1315
1316 ;;;###autoload
1317 (defun counsel-imenu ()
1318   "Jump to a buffer position indexed by imenu."
1319   (interactive)
1320   (unless (featurep 'imenu)
1321     (require 'imenu nil t))
1322   (let* ((imenu-auto-rescan t)
1323          (items (imenu--make-index-alist t))
1324          (items (delete (assoc "*Rescan*" items) items)))
1325     (ivy-read "imenu items:" (counsel-imenu-get-candidates-from items)
1326               :action (lambda (pos)
1327                         (with-ivy-window
1328                           (goto-char pos))))))
1329
1330 (provide 'counsel)
1331
1332 ;;; counsel.el ends here