mc-mark-more.el (19131B)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 | ;;; mc-mark-more.el ;; Copyright (C) 2012 Magnar Sveen ;; Author: Magnar Sveen <magnars@gmail.com> ;; Keywords: editing cursors ;; 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: ;; This file contains functions to mark more parts of the buffer. ;; See ./features/mark-more.feature for examples. ;; Please see multiple-cursors.el for more commentary. ;;; Code: (require 'multiple-cursors-core) (require 'thingatpt) (defun mc/cursor-end (cursor) (if (overlay-get cursor 'mark-active) (max (overlay-get cursor 'point) (overlay-get cursor 'mark)) (overlay-get cursor 'point))) (defun mc/cursor-beg (cursor) (if (overlay-get cursor 'mark-active) (min (overlay-get cursor 'point) (overlay-get cursor 'mark)) (overlay-get cursor 'point))) (defun mc/furthest-region-end () (let ((end (max (mark) (point)))) (mc/for-each-fake-cursor (setq end (max end (mc/cursor-end cursor)))) end)) (defun mc/first-region-start () (let ((beg (min (mark) (point)))) (mc/for-each-fake-cursor (setq beg (min beg (mc/cursor-beg cursor)))) beg)) (defun mc/furthest-cursor-before-point () (let ((beg (min (mark) (point))) furthest) (mc/for-each-fake-cursor (when (< (mc/cursor-beg cursor) beg) (setq beg (mc/cursor-beg cursor)) (setq furthest cursor))) furthest)) (defun mc/furthest-cursor-after-point () (let ((end (max (mark) (point))) furthest) (mc/for-each-fake-cursor (when (> (mc/cursor-end cursor) end) (setq end (mc/cursor-end cursor)) (setq furthest cursor))) furthest)) (defun mc/region-strings () (let ((strings (list (buffer-substring-no-properties (point) (mark))))) (mc/for-each-fake-cursor (add-to-list 'strings (buffer-substring-no-properties (mc/cursor-beg cursor) (mc/cursor-end cursor)))) strings)) (defvar mc/enclose-search-term nil "How should mc/mark-more-* search for more matches? Match everything: nil Match only whole words: 'words Match only whole symbols: 'symbols Use like case-fold-search, don't recommend setting it globally.") (defun mc/mark-more-like-this (skip-last direction) (let ((case-fold-search nil) (re (regexp-opt (mc/region-strings) mc/enclose-search-term)) (point-out-of-order (ecase direction (forwards (< (point) (mark))) (backwards (not (< (point) (mark)))))) (furthest-cursor (ecase direction (forwards (mc/furthest-cursor-after-point)) (backwards (mc/furthest-cursor-before-point)))) (start-char (ecase direction (forwards (mc/furthest-region-end)) (backwards (mc/first-region-start)))) (search-function (ecase direction (forwards 'search-forward-regexp) (backwards 'search-backward-regexp))) (match-point-getter (ecase direction (forwards 'match-beginning) (backwards 'match-end)))) (if (and skip-last (not furthest-cursor)) (error "No cursors to be skipped") (mc/save-excursion (goto-char start-char) (when skip-last (mc/remove-fake-cursor furthest-cursor)) (if (funcall search-function re nil t) (progn (push-mark (funcall match-point-getter 0)) (when point-out-of-order (exchange-point-and-mark)) (mc/create-fake-cursor-at-point)) (error "no more matches found.")))))) ;;;###autoload (defun mc/mark-next-like-this (arg) "Find and mark the next part of the buffer matching the currently active region With negative ARG, delete the last one instead. With zero ARG, skip the last one and mark next." (interactive "p") (if (region-active-p) (if (< arg 0) (let ((cursor (mc/furthest-cursor-after-point))) (if cursor (mc/remove-fake-cursor cursor) (error "No cursors to be unmarked"))) (mc/mark-more-like-this (= arg 0) 'forwards)) (mc/mark-lines arg 'forwards)) (mc/maybe-multiple-cursors-mode)) ;;;###autoload (defun mc/mark-next-word-like-this (arg) (interactive "p") (let ((mc/enclose-search-term 'words)) (mc/mark-next-like-this arg))) ;;;###autoload (defun mc/mark-next-symbol-like-this (arg) (interactive "p") (let ((mc/enclose-search-term 'symbols)) (mc/mark-next-like-this arg))) ;;;###autoload (defun mc/mark-previous-like-this (arg) "Find and mark the previous part of the buffer matching the currently active region With negative ARG, delete the last one instead. With zero ARG, skip the last one and mark next." (interactive "p") (if (region-active-p) (if (< arg 0) (let ((cursor (mc/furthest-cursor-before-point))) (if cursor (mc/remove-fake-cursor cursor) (error "No cursors to be unmarked"))) (mc/mark-more-like-this (= arg 0) 'backwards)) (mc/mark-lines arg 'backwards)) (mc/maybe-multiple-cursors-mode)) ;;;###autoload (defun mc/mark-previous-word-like-this (arg) (interactive "p") (let ((mc/enclose-search-term 'words)) (mc/mark-previous-like-this arg))) ;;;###autoload (defun mc/mark-previous-symbol-like-this (arg) (interactive "p") (let ((mc/enclose-search-term 'symbols)) (mc/mark-previous-like-this arg))) (defun mc/mark-lines (num-lines direction) (dotimes (i num-lines) (mc/create-fake-cursor-at-point) (ecase direction (forwards (loop do (next-logical-line 1 nil) while (mc/all-fake-cursors (point) (1+ (point))))) (backwards (loop do (previous-logical-line 1 nil) while (mc/all-fake-cursors (point) (1+ (point)))))))) ;;;###autoload (defun mc/mark-next-lines (arg) (interactive "p") (mc/mark-lines arg 'forwards) (mc/maybe-multiple-cursors-mode)) ;;;###autoload (defun mc/mark-previous-lines (arg) (interactive "p") (mc/mark-lines arg 'backwards) (mc/maybe-multiple-cursors-mode)) ;;;###autoload (defun mc/unmark-next-like-this () "Deselect next part of the buffer matching the currently active region." (interactive) (mc/mark-next-like-this -1)) ;;;###autoload (defun mc/unmark-previous-like-this () "Deselect prev part of the buffer matching the currently active region." (interactive) (mc/mark-previous-like-this -1)) ;;;###autoload (defun mc/skip-to-next-like-this () "Skip the current one and select the next part of the buffer matching the currently active region." (interactive) (mc/mark-next-like-this 0)) ;;;###autoload (defun mc/skip-to-previous-like-this () "Skip the current one and select the prev part of the buffer matching the currently active region." (interactive) (mc/mark-previous-like-this 0)) ;;;###autoload (defun mc/mark-all-like-this () "Find and mark all the parts of the buffer matching the currently active region" (interactive) (unless (region-active-p) (error "Mark a region to match first.")) (mc/remove-fake-cursors) (let ((master (point)) (case-fold-search nil) (point-first (< (point) (mark))) (re (regexp-opt (mc/region-strings) mc/enclose-search-term))) (mc/save-excursion (goto-char 0) (while (search-forward-regexp re nil t) (push-mark (match-beginning 0)) (when point-first (exchange-point-and-mark)) (unless (= master (point)) (mc/create-fake-cursor-at-point)) (when point-first (exchange-point-and-mark))))) (if (> (mc/num-cursors) 1) (multiple-cursors-mode 1) (multiple-cursors-mode 0))) (defun mc--select-thing-at-point (thing) (let ((bound (bounds-of-thing-at-point thing))) (when bound (set-mark (car bound)) (goto-char (cdr bound)) bound))) (defun mc--select-thing-at-point-or-bark (thing) (unless (or (region-active-p) (mc--select-thing-at-point thing)) (error "Mark a region or set cursor on a %s." thing))) ;;;###autoload (defun mc/mark-all-words-like-this () (interactive) (mc--select-thing-at-point-or-bark 'word) (let ((mc/enclose-search-term 'words)) (mc/mark-all-like-this))) ;;;###autoload (defun mc/mark-all-symbols-like-this () (interactive) (mc--select-thing-at-point-or-bark 'symbol) (let ((mc/enclose-search-term 'symbols)) (mc/mark-all-like-this))) ;;;###autoload (defun mc/mark-all-in-region (beg end) "Find and mark all the parts in the region matching the given search" (interactive "r") (let ((search (read-from-minibuffer "Mark all in region: ")) (case-fold-search nil)) (if (string= search "") (message "Mark aborted") (progn (mc/remove-fake-cursors) (goto-char beg) (while (search-forward search end t) (push-mark (match-beginning 0)) (mc/create-fake-cursor-at-point)) (let ((first (mc/furthest-cursor-before-point))) (if (not first) (error "Search failed for %S" search) (mc/pop-state-from-overlay first))) (if (> (mc/num-cursors) 1) (multiple-cursors-mode 1) (multiple-cursors-mode 0)))))) (when (not (fboundp 'set-temporary-overlay-map)) ;; Backport this function from newer emacs versions (defun set-temporary-overlay-map (map &optional keep-pred) "Set a new keymap that will only exist for a short period of time. The new keymap to use must be given in the MAP variable. When to remove the keymap depends on user input and KEEP-PRED: - if KEEP-PRED is nil (the default), the keymap disappears as soon as any key is pressed, whether or not the key is in MAP; - if KEEP-PRED is t, the keymap disappears as soon as a key *not* in MAP is pressed; - otherwise, KEEP-PRED must be a 0-arguments predicate that will decide if the keymap should be removed (if predicate returns nil) or kept (otherwise). The predicate will be called after each key sequence." (let* ((clearfunsym (make-symbol "clear-temporary-overlay-map")) (overlaysym (make-symbol "t")) (alist (list (cons overlaysym map))) (clearfun `(lambda () (unless ,(cond ((null keep-pred) nil) ((eq t keep-pred) `(eq this-command (lookup-key ',map (this-command-keys-vector)))) (t `(funcall ',keep-pred))) (remove-hook 'pre-command-hook ',clearfunsym) (setq emulation-mode-map-alists (delq ',alist emulation-mode-map-alists)))))) (set overlaysym overlaysym) (fset clearfunsym clearfun) (add-hook 'pre-command-hook clearfunsym) (push alist emulation-mode-map-alists)))) ;;;###autoload (defun mc/mark-more-like-this-extended () "Like mark-more-like-this, but then lets you adjust with arrows key. The adjustments work like this: <up> Mark previous like this and set direction to 'up <down> Mark next like this and set direction to 'down If direction is 'up: <left> Skip past the cursor furthest up <right> Remove the cursor furthest up If direction is 'down: <left> Remove the cursor furthest down <right> Skip past the cursor furthest down The bindings for these commands can be changed. See `mc/mark-more-like-this-extended-keymap'." (interactive) (mc/mmlte--down) (set-temporary-overlay-map mc/mark-more-like-this-extended-keymap t)) (defvar mc/mark-more-like-this-extended-direction nil "When using mc/mark-more-like-this-extended are we working on the next or previous cursors?") (make-variable-buffer-local 'mc/mark-more-like-this-extended) (defun mc/mmlte--message () (if (eq mc/mark-more-like-this-extended-direction 'up) (message "<up> to mark previous, <left> to skip, <right> to remove, <down> to mark next") (message "<down> to mark next, <right> to skip, <left> to remove, <up> to mark previous"))) (defun mc/mmlte--up () (interactive) (mc/mark-previous-like-this 1) (setq mc/mark-more-like-this-extended-direction 'up) (mc/mmlte--message)) (defun mc/mmlte--down () (interactive) (mc/mark-next-like-this 1) (setq mc/mark-more-like-this-extended-direction 'down) (mc/mmlte--message)) (defun mc/mmlte--left () (interactive) (if (eq mc/mark-more-like-this-extended-direction 'down) (mc/unmark-next-like-this) (mc/skip-to-previous-like-this)) (mc/mmlte--message)) (defun mc/mmlte--right () (interactive) (if (eq mc/mark-more-like-this-extended-direction 'up) (mc/unmark-previous-like-this) (mc/skip-to-next-like-this)) (mc/mmlte--message)) (defvar mc/mark-more-like-this-extended-keymap (make-sparse-keymap)) (define-key mc/mark-more-like-this-extended-keymap (kbd "<up>") 'mc/mmlte--up) (define-key mc/mark-more-like-this-extended-keymap (kbd "<down>") 'mc/mmlte--down) (define-key mc/mark-more-like-this-extended-keymap (kbd "<left>") 'mc/mmlte--left) (define-key mc/mark-more-like-this-extended-keymap (kbd "<right>") 'mc/mmlte--right) (defvar mc--restrict-mark-all-to-symbols nil) ;;;###autoload (defun mc/mark-all-like-this-dwim (arg) "Tries to guess what you want to mark all of. Can be pressed multiple times to increase selection. With prefix, it behaves the same as original `mc/mark-all-like-this'" (interactive "P") (if arg (mc/mark-all-like-this) (if (and (not (use-region-p)) (derived-mode-p 'sgml-mode) (mc--on-tag-name-p)) (mc/mark-sgml-tag-pair) (let ((before (mc/num-cursors))) (unless (eq last-command 'mc/mark-all-like-this-dwim) (setq mc--restrict-mark-all-to-symbols nil)) (unless (use-region-p) (mc--mark-symbol-at-point) (setq mc--restrict-mark-all-to-symbols t)) (if mc--restrict-mark-all-to-symbols (mc/mark-all-symbols-like-this-in-defun) (mc/mark-all-like-this-in-defun)) (when (<= (mc/num-cursors) before) (if mc--restrict-mark-all-to-symbols (mc/mark-all-symbols-like-this) (mc/mark-all-like-this))) (when (<= (mc/num-cursors) before) (mc/mark-all-like-this)))))) ;;;###autoload (defun mc/mark-all-dwim (arg) "Tries even harder to guess what you want to mark all of. If the region is active and spans multiple lines, it will behave as if `mc/mark-all-in-region'. With the prefix ARG, it will call `mc/edit-lines' instead. If the region is inactive or on a single line, it will behave like `mc/mark-all-like-this-dwim'." (interactive "P") (if (and (use-region-p) (not (> (mc/num-cursors) 1)) (not (= (line-number-at-pos (region-beginning)) (line-number-at-pos (region-end))))) (if arg (call-interactively 'mc/edit-lines) (call-interactively 'mc/mark-all-in-region)) (progn (setq this-command 'mc/mark-all-like-this-dwim) (mc/mark-all-like-this-dwim arg)))) (defun mc--in-defun () (bounds-of-thing-at-point 'defun)) ;;;###autoload (defun mc/mark-all-like-this-in-defun () "Mark all like this in defun." (interactive) (if (mc--in-defun) (save-restriction (widen) (narrow-to-defun) (mc/mark-all-like-this)) (mc/mark-all-like-this))) ;;;###autoload (defun mc/mark-all-words-like-this-in-defun () "Mark all words like this in defun." (interactive) (mc--select-thing-at-point-or-bark 'word) (if (mc--in-defun) (save-restriction (widen) (narrow-to-defun) (mc/mark-all-words-like-this)) (mc/mark-all-words-like-this))) ;;;###autoload (defun mc/mark-all-symbols-like-this-in-defun () "Mark all symbols like this in defun." (interactive) (mc--select-thing-at-point-or-bark 'symbol) (if (mc--in-defun) (save-restriction (widen) (narrow-to-defun) (mc/mark-all-symbols-like-this)) (mc/mark-all-symbols-like-this))) (defun mc--mark-symbol-at-point () "Select the symbol under cursor" (interactive) (when (not (use-region-p)) (let ((b (bounds-of-thing-at-point 'symbol))) (goto-char (car b)) (set-mark (cdr b))))) (defun mc--get-nice-sgml-context () (car (last (progn (when (looking-at "<") (forward-char 1)) (when (looking-back ">") (forward-char -1)) (sgml-get-context))))) (defun mc--on-tag-name-p () (let* ((context (save-excursion (mc--get-nice-sgml-context))) (tag-name-len (length (aref context 4))) (beg (aref context 2)) (end (+ beg tag-name-len (if (eq 'open (aref context 1)) 1 3)))) (and context (>= (point) beg) (<= (point) end)))) ;;;###autoload (defun mc/add-cursor-on-click (event) "Add a cursor where you click." (interactive "e") (mouse-minibuffer-check event) ;; Use event-end in case called from mouse-drag-region. ;; If EVENT is a click, event-end and event-start give same value. (let ((position (event-end event))) (if (not (windowp (posn-window position))) (error "Position not in text area of window")) (select-window (posn-window position)) (if (numberp (posn-point position)) (save-excursion (goto-char (posn-point position)) (mc/create-fake-cursor-at-point))) (mc/maybe-multiple-cursors-mode))) ;;;###autoload (defun mc/mark-sgml-tag-pair () "Mark the tag we're in and its pair for renaming." (interactive) (when (not (mc--inside-tag-p)) (error "Place point inside tag to rename.")) (let ((context (mc--get-nice-sgml-context))) (if (looking-at "</") (setq context (car (last (sgml-get-context))))) (goto-char (aref context 2)) (let* ((tag-name (aref context 4)) (num-chars (length tag-name)) (master-start (1+ (point))) (mirror-end (save-excursion (sgml-skip-tag-forward 1) (1- (point))))) (goto-char (- mirror-end num-chars)) (set-mark mirror-end) (mc/create-fake-cursor-at-point) (goto-char master-start) (set-mark (+ (point) num-chars)))) (mc/maybe-multiple-cursors-mode)) (defun mc--inside-tag-p () (save-excursion (not (null (sgml-get-context))))) (provide 'mc-mark-more) ;;; mc-mark-more.el ends here |