HCoop / bpt / emacs.git / blame
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| 1a9461d0 | 1 | ;;; reftex-toc.el - RefTeX's table of contents mode |
| 9f286482 | 2 | ;; Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
| 3ba2590f RS |
3 | |
| 4 | ;; Author: Carsten Dominik <dominik@strw.LeidenUniv.nl> | |
| 11b4a0d2 | 5 | ;; Version: 4.15 |
| 9f286482 | 6 | ;; |
| 3ba2590f RS |
7 | |
| 8 | ;; This file is part of GNU Emacs. | |
| 9 | ||
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 11 | ;; it under the terms of the GNU General Public License as published by | |
| 12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 13 | ;; any later version. | |
| 14 | ||
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | ;; GNU General Public License for more details. | |
| 19 | ||
| 20 | ;; You should have received a copy of the GNU General Public License | |
| 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 23 | ;; Boston, MA 02111-1307, USA. | |
| 1a9461d0 | 24 | |
| 7c4d13cc | 25 | (eval-when-compile (require 'cl)) |
| 1a9461d0 CD |
26 | (provide 'reftex-toc) |
| 27 | (require 'reftex) | |
| 28 | ;;; | |
| 29 | ||
| 30 | (defvar reftex-toc-map (make-sparse-keymap) | |
| 31 | "Keymap used for *toc* buffer.") | |
| 32 | ||
| 33 | (defvar reftex-toc-menu) | |
| 34 | ||
| 35 | (defun reftex-toc-mode () | |
| 36 | "Major mode for managing Table of Contents for LaTeX files. | |
| 37 | This buffer was created with RefTeX. | |
| 38 | Press `?' for a summary of important key bindings. | |
| 39 | ||
| 40 | Here are all local bindings. | |
| 41 | ||
| 42 | \\{reftex-toc-map}" | |
| 43 | (interactive) | |
| 44 | (kill-all-local-variables) | |
| 45 | (setq major-mode 'reftex-toc-mode | |
| 46 | mode-name "TOC") | |
| 47 | (use-local-map reftex-toc-map) | |
| 48 | (set (make-local-variable 'revert-buffer-function) 'reftex-toc-revert) | |
| 49 | (set (make-local-variable 'reftex-toc-include-labels-indicator) "") | |
| 7c4d13cc CD |
50 | (set (make-local-variable 'reftex-toc-max-level-indicator) |
| 51 | (if (= reftex-toc-max-level 100) | |
| 52 | "ALL" | |
| 53 | (int-to-string reftex-toc-max-level))) | |
| 1a9461d0 CD |
54 | (setq mode-line-format |
| 55 | (list "---- " 'mode-line-buffer-identification | |
| 56 | " " 'global-mode-string " (" mode-name ")" | |
| 57 | " L<" 'reftex-toc-include-labels-indicator ">" | |
| 58 | " I<" 'reftex-toc-include-index-indicator ">" | |
| 7c4d13cc | 59 | " T<" 'reftex-toc-max-level-indicator ">" |
| 1a9461d0 CD |
60 | " -%-")) |
| 61 | (setq truncate-lines t) | |
| 62 | (make-local-hook 'post-command-hook) | |
| 63 | (make-local-hook 'pre-command-hook) | |
| 64 | (make-local-variable 'reftex-last-follow-point) | |
| 65 | (add-hook 'post-command-hook 'reftex-toc-post-command-hook nil t) | |
| 66 | (add-hook 'pre-command-hook 'reftex-toc-pre-command-hook nil t) | |
| 67 | (easy-menu-add reftex-toc-menu reftex-toc-map) | |
| 68 | (run-hooks 'reftex-toc-mode-hook)) | |
| 69 | ||
| 70 | (defvar reftex-last-toc-file nil | |
| 71 | "Stores the file name from which `reftex-toc' was called. For redo command.") | |
| 72 | ||
| 73 | (defvar reftex-last-window-height nil) | |
| 74 | (defvar reftex-toc-include-labels-indicator nil) | |
| 75 | (defvar reftex-toc-include-index-indicator nil) | |
| 7c4d13cc | 76 | (defvar reftex-toc-max-level-indicator nil) |
| 1a9461d0 CD |
77 | |
| 78 | (defvar reftex-toc-return-marker (make-marker) | |
| 79 | "Marker which makes it possible to return from toc to old position.") | |
| 80 | ||
| 81 | (defconst reftex-toc-help | |
| 82 | " AVAILABLE KEYS IN TOC BUFFER | |
| 83 | ============================ | |
| 84 | n / p next-line / previous-line | |
| 85 | SPC Show the corresponding location of the LaTeX document. | |
| 86 | TAB Goto the location and keep the *toc* window. | |
| 87 | RET Goto the location and hide the *toc* window (also on mouse-2). | |
| 88 | C-c > Display Index. With prefix arg, restrict index to current section. | |
| 89 | q / k Hide/Kill *toc* buffer, return to position of reftex-toc command. | |
| 90 | l i c F Toggle display of [l]abels, [i]ndex, [c]ontext, [F]ile borders. | |
| 7c4d13cc | 91 | t Change maximum toc depth (e.g. `3 t' hides levels greater than 3). |
| 1a9461d0 CD |
92 | f / g Toggle follow mode on and off / Refresh *toc* buffer. |
| 93 | r / C-u r Reparse the LaTeX document / Reparse entire LaTeX document. | |
| 94 | . In other window, show position from where `reftex-toc' was called. | |
| 95 | x Switch to TOC of external document (with LaTeX package `xr').") | |
| 96 | ||
| 97 | (defun reftex-toc (&optional rebuild) | |
| 98 | "Show the table of contents for the current document. | |
| 99 | When called with a raw C-u prefix, rescan the document first." | |
| 100 | ||
| 101 | (interactive) | |
| 102 | ||
| 103 | (if (or (not (string= reftex-last-toc-master (reftex-TeX-master-file))) | |
| 104 | current-prefix-arg) | |
| 105 | (reftex-erase-buffer "*toc*")) | |
| 106 | ||
| 107 | (setq reftex-last-toc-file (buffer-file-name)) | |
| 108 | (setq reftex-last-toc-master (reftex-TeX-master-file)) | |
| 109 | ||
| 110 | (set-marker reftex-toc-return-marker (point)) | |
| 111 | ||
| 112 | ;; If follow mode is active, arrange to delay it one command | |
| 113 | (if reftex-toc-follow-mode | |
| 114 | (setq reftex-toc-follow-mode 1)) | |
| 115 | ||
| 116 | (and reftex-toc-include-index-entries | |
| 117 | (reftex-ensure-index-support)) | |
| 118 | (or reftex-support-index | |
| 119 | (setq reftex-toc-include-index-entries nil)) | |
| 120 | ||
| 121 | ;; Ensure access to scanning info and rescan buffer if prefix are is '(4) | |
| 122 | (reftex-access-scan-info current-prefix-arg) | |
| 123 | ||
| 124 | (let* ((this-buf (current-buffer)) | |
| 125 | (docstruct-symbol reftex-docstruct-symbol) | |
| 126 | (xr-data (assq 'xr (symbol-value reftex-docstruct-symbol))) | |
| 127 | (xr-alist (cons (cons "" (buffer-file-name)) (nth 1 xr-data))) | |
| 128 | (here-I-am (if rebuild | |
| 129 | (get 'reftex-toc :reftex-data) | |
| 130 | (car (reftex-where-am-I)))) | |
| 131 | offset) | |
| 132 | ||
| 133 | (if (get-buffer-window "*toc*") | |
| 134 | (select-window (get-buffer-window "*toc*")) | |
| 135 | (when (or (not reftex-toc-keep-other-windows) | |
| 136 | (< (window-height) (* 2 window-min-height))) | |
| 137 | (delete-other-windows)) | |
| 138 | (setq reftex-last-window-height (window-height)) ; remember | |
| 139 | (split-window) | |
| 140 | (let ((default-major-mode 'reftex-toc-mode)) | |
| 141 | (switch-to-buffer "*toc*"))) | |
| 142 | ||
| 143 | (or (eq major-mode 'reftex-toc-mode) (reftex-toc-mode)) | |
| 144 | (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol) | |
| 145 | (setq reftex-toc-include-labels-indicator | |
| 146 | (if (eq reftex-toc-include-labels t) | |
| 147 | "ALL" | |
| 148 | reftex-toc-include-labels)) | |
| 149 | (setq reftex-toc-include-index-indicator | |
| 150 | (if (eq reftex-toc-include-index-entries t) | |
| 151 | "ALL" | |
| 152 | reftex-toc-include-index-entries)) | |
| 153 | ||
| 154 | (cond | |
| 155 | ((= (buffer-size) 0) | |
| 156 | ;; buffer is empty - fill it with the table of contents | |
| 157 | (message "Building *toc* buffer...") | |
| 158 | ||
| 159 | (setq buffer-read-only nil) | |
| 160 | (insert (format | |
| 161 | "TABLE-OF-CONTENTS on %s | |
| 162 | SPC=view TAB=goto RET=goto+hide [q]uit [r]escan [l]abels [f]ollow [x]r [?]Help | |
| 163 | ------------------------------------------------------------------------------ | |
| 164 | " (abbreviate-file-name reftex-last-toc-master))) | |
| 165 | ||
| 166 | (if (reftex-use-fonts) | |
| 167 | (put-text-property 1 (point) 'face reftex-toc-header-face)) | |
| 168 | (put-text-property 1 (point) 'intangible t) | |
| 169 | (put-text-property 1 2 'xr-alist xr-alist) | |
| 170 | ||
| 171 | (setq offset | |
| 172 | (reftex-insert-docstruct | |
| 173 | this-buf | |
| 174 | t ; include toc | |
| 175 | reftex-toc-include-labels | |
| 176 | reftex-toc-include-index-entries | |
| 177 | reftex-toc-include-file-boundaries | |
| 178 | reftex-toc-include-context | |
| 179 | nil ; counter | |
| 180 | nil ; commented | |
| 181 | here-I-am | |
| 182 | "" ; xr-prefix | |
| 183 | t ; a toc buffer | |
| 184 | )) | |
| 185 | ||
| 186 | (run-hooks 'reftex-display-copied-context-hook) | |
| 187 | (message "Building *toc* buffer...done.") | |
| 188 | (setq buffer-read-only t)) | |
| 189 | (t | |
| 190 | ;; Only compute the offset | |
| 191 | (setq offset | |
| 192 | (or (reftex-get-offset this-buf here-I-am | |
| 193 | (if reftex-toc-include-labels " " nil) | |
| 194 | t | |
| 195 | reftex-toc-include-index-entries | |
| 196 | reftex-toc-include-file-boundaries) | |
| 197 | (reftex-last-assoc-before-elt | |
| 198 | 'toc here-I-am | |
| 199 | (symbol-value reftex-docstruct-symbol)))) | |
| 200 | (put 'reftex-toc :reftex-line 3) | |
| 201 | (goto-line 3) | |
| 202 | (beginning-of-line))) | |
| 203 | ||
| 204 | ;; Find the correct starting point | |
| 205 | (reftex-find-start-point (point) offset (get 'reftex-toc :reftex-line)) | |
| 206 | (setq reftex-last-follow-point (point)))) | |
| 207 | ||
| 208 | (defun reftex-toc-pre-command-hook () | |
| 209 | ;; used as pre command hook in *toc* buffer | |
| 210 | (reftex-unhighlight 0) | |
| 211 | (reftex-unhighlight 1)) | |
| 212 | ||
| 213 | (defun reftex-toc-post-command-hook () | |
| 214 | ;; used in the post-command-hook for the *toc* buffer | |
| 215 | (when (get-text-property (point) :data) | |
| 216 | (put 'reftex-toc :reftex-data (get-text-property (point) :data)) | |
| 217 | (and (> (point) 1) | |
| 218 | (not (get-text-property (point) 'intangible)) | |
| 219 | (memq reftex-highlight-selection '(cursor both)) | |
| 220 | (reftex-highlight 1 | |
| 221 | (or (previous-single-property-change (1+ (point)) :data) | |
| 222 | (point-min)) | |
| 223 | (or (next-single-property-change (point) :data) | |
| 224 | (point-max))))) | |
| 225 | (if (integerp reftex-toc-follow-mode) | |
| 226 | ;; remove delayed action | |
| 227 | (setq reftex-toc-follow-mode t) | |
| 228 | (and reftex-toc-follow-mode | |
| 229 | (not (equal reftex-last-follow-point (point))) | |
| 230 | ;; show context in other window | |
| 231 | (setq reftex-last-follow-point (point)) | |
| 232 | (condition-case nil | |
| 233 | (reftex-toc-visit-location nil (not reftex-revisit-to-follow)) | |
| 234 | (error t))))) | |
| 235 | ||
| 236 | (defun reftex-re-enlarge () | |
| 237 | ;; Enlarge windiw to a remembered size | |
| 238 | (enlarge-window | |
| 239 | (max 0 (- (or reftex-last-window-height (window-height)) | |
| 240 | (window-height))))) | |
| 241 | ||
| 242 | (defun reftex-toc-show-help () | |
| 243 | "Show a summary of special key bindings." | |
| 244 | (interactive) | |
| 245 | (with-output-to-temp-buffer "*RefTeX Help*" | |
| 246 | (princ reftex-toc-help)) | |
| 247 | (reftex-enlarge-to-fit "*RefTeX Help*" t) | |
| 248 | ;; If follow mode is active, arrange to delay it one command | |
| 249 | (if reftex-toc-follow-mode | |
| 250 | (setq reftex-toc-follow-mode 1))) | |
| 251 | ||
| 252 | (defun reftex-toc-next (&optional arg) | |
| 253 | "Move to next selectable item." | |
| 254 | (interactive "p") | |
| 255 | (setq reftex-callback-fwd t) | |
| 256 | (or (eobp) (forward-char 1)) | |
| 257 | (goto-char (or (next-single-property-change (point) :data) | |
| 258 | (point)))) | |
| 259 | (defun reftex-toc-previous (&optional arg) | |
| 260 | "Move to previous selectable item." | |
| 261 | (interactive "p") | |
| 262 | (setq reftex-callback-fwd nil) | |
| 263 | (goto-char (or (previous-single-property-change (point) :data) | |
| 264 | (point)))) | |
| 265 | (defun reftex-toc-next-heading (&optional arg) | |
| 266 | "Move to next table of contentes line." | |
| 267 | (interactive "p") | |
| 268 | (end-of-line) | |
| 269 | (re-search-forward "^ " nil t arg) | |
| 270 | (beginning-of-line)) | |
| 271 | (defun reftex-toc-previous-heading (&optional arg) | |
| 272 | "Move to previous table of contentes line." | |
| 273 | (interactive "p") | |
| 274 | (re-search-backward "^ " nil t arg)) | |
| 275 | (defun reftex-toc-toggle-follow () | |
| 276 | "Toggle follow (other window follows with context)." | |
| 277 | (interactive) | |
| 278 | (setq reftex-last-follow-point -1) | |
| 279 | (setq reftex-toc-follow-mode (not reftex-toc-follow-mode))) | |
| 280 | (defun reftex-toc-toggle-file-boundary () | |
| 281 | "Toggle inclusion of file boundaries in *toc* buffer." | |
| 282 | (interactive) | |
| 283 | (setq reftex-toc-include-file-boundaries | |
| 284 | (not reftex-toc-include-file-boundaries)) | |
| 285 | (reftex-toc-revert)) | |
| 286 | (defun reftex-toc-toggle-labels (arg) | |
| 287 | "Toggle inclusion of labels in *toc* buffer. | |
| 288 | With prefix ARG, prompt for a label type and include only labels of | |
| 289 | that specific type." | |
| 290 | (interactive "P") | |
| 291 | (setq reftex-toc-include-labels | |
| 292 | (if arg (reftex-query-label-type) | |
| 293 | (not reftex-toc-include-labels))) | |
| 294 | (reftex-toc-revert)) | |
| 295 | (defun reftex-toc-toggle-index (arg) | |
| 296 | "Toggle inclusion of index in *toc* buffer. | |
| 297 | With prefix arg, prompt for an index tag and include only entries of that | |
| 298 | specific index." | |
| 299 | (interactive "P") | |
| 300 | (setq reftex-toc-include-index-entries | |
| 301 | (if arg (reftex-index-select-tag) | |
| 302 | (not reftex-toc-include-index-entries))) | |
| 303 | (reftex-toc-revert)) | |
| 304 | (defun reftex-toc-toggle-context () | |
| 305 | "Toggle inclusion of label context in *toc* buffer. | |
| 306 | Label context is only displayed when the labels are there as well." | |
| 307 | (interactive) | |
| 308 | (setq reftex-toc-include-context (not reftex-toc-include-context)) | |
| 309 | (reftex-toc-revert)) | |
| 7c4d13cc CD |
310 | (defun reftex-toc-max-level (arg) |
| 311 | "Set the maximum level of toc lines in this buffer to value of prefix ARG. | |
| 312 | When no prefix is given, set the max level to a large number, so that all | |
| 313 | levels are shown. For eaxample, to set the level to 3, type `3 m'." | |
| 314 | (interactive "P") | |
| 315 | (setq reftex-toc-max-level (if arg | |
| 316 | (prefix-numeric-value arg) | |
| 317 | 100)) | |
| 318 | (setq reftex-toc-max-level-indicator | |
| 319 | (if arg (int-to-string reftex-toc-max-level) "ALL")) | |
| 320 | (reftex-toc-revert)) | |
| 1a9461d0 CD |
321 | (defun reftex-toc-view-line () |
| 322 | "View document location in other window." | |
| 323 | (interactive) | |
| 324 | (reftex-toc-visit-location)) | |
| 325 | (defun reftex-toc-goto-line-and-hide () | |
| 326 | "Go to document location in other window. Hide the *toc* window." | |
| 327 | (interactive) | |
| 328 | (reftex-toc-visit-location 'hide)) | |
| 329 | (defun reftex-toc-goto-line () | |
| 330 | "Go to document location in other window. *toc* window stays." | |
| 331 | (interactive) | |
| 332 | (reftex-toc-visit-location t)) | |
| 333 | (defun reftex-toc-mouse-goto-line-and-hide (ev) | |
| 334 | "Go to document location in other window. Hide the *toc* window." | |
| 335 | (interactive "e") | |
| 336 | (mouse-set-point ev) | |
| 337 | (reftex-toc-visit-location 'hide)) | |
| 338 | (defun reftex-toc-show-calling-point () | |
| 339 | "Show point where reftex-toc was called from." | |
| 340 | (interactive) | |
| 341 | (let ((this-window (selected-window))) | |
| 342 | (unwind-protect | |
| 343 | (progn | |
| 344 | (switch-to-buffer-other-window | |
| 345 | (marker-buffer reftex-toc-return-marker)) | |
| 346 | (goto-char (marker-position reftex-toc-return-marker)) | |
| 347 | (recenter '(4))) | |
| 348 | (select-window this-window)))) | |
| 349 | (defun reftex-toc-quit () | |
| 350 | "Hide the *toc* window and do not move point." | |
| 351 | (interactive) | |
| 352 | (or (one-window-p) (delete-window)) | |
| 353 | (switch-to-buffer (marker-buffer reftex-toc-return-marker)) | |
| 354 | (reftex-re-enlarge) | |
| 355 | (goto-char (or (marker-position reftex-toc-return-marker) (point)))) | |
| 356 | (defun reftex-toc-quit-and-kill () | |
| 357 | "Kill the *toc* buffer." | |
| 358 | (interactive) | |
| 359 | (kill-buffer "*toc*") | |
| 360 | (or (one-window-p) (delete-window)) | |
| 361 | (switch-to-buffer (marker-buffer reftex-toc-return-marker)) | |
| 362 | (reftex-re-enlarge) | |
| 363 | (goto-char (marker-position reftex-toc-return-marker))) | |
| 364 | (defun reftex-toc-display-index (&optional arg) | |
| 365 | "Display the index buffer for the current document. | |
| 366 | This works just like `reftex-display-index' from a LaTeX buffer. | |
| 367 | With prefix arg 1, restrict index to the section at point." | |
| 368 | (interactive "P") | |
| 369 | (let ((data (get-text-property (point) :data)) | |
| 370 | (docstruct (symbol-value reftex-docstruct-symbol)) | |
| 371 | bor eor restr) | |
| 372 | (when (equal arg 2) | |
| 373 | (setq bor (reftex-last-assoc-before-elt 'toc data docstruct) | |
| 374 | eor (assoc 'toc (cdr (memq bor docstruct))) | |
| 375 | restr (list (nth 6 bor) bor eor))) | |
| 376 | (reftex-toc-goto-line) | |
| 377 | (reftex-display-index (if restr nil arg) restr))) | |
| 378 | (defun reftex-toc-rescan (&rest ignore) | |
| 379 | "Regenerate the *toc* buffer by reparsing file of section at point." | |
| 380 | (interactive) | |
| 381 | (if (and reftex-enable-partial-scans | |
| 382 | (null current-prefix-arg)) | |
| 383 | (let* ((data (get-text-property (point) :data)) | |
| 384 | (what (car data)) | |
| 385 | (file (cond ((eq what 'toc) (nth 3 data)) | |
| 386 | ((memq what '(eof bof file-error)) (nth 1 data)) | |
| 387 | ((stringp what) (nth 3 data)) | |
| 388 | ((eq what 'index) (nth 3 data)))) | |
| 389 | (line (+ (count-lines (point-min) (point)) (if (bolp) 1 0)))) | |
| 390 | (if (not file) | |
| 391 | (error "Don't know which file to rescan. Try `C-u r'") | |
| 392 | (put 'reftex-toc :reftex-line line) | |
| 393 | (switch-to-buffer-other-window | |
| 394 | (reftex-get-file-buffer-force file)) | |
| 395 | (setq current-prefix-arg '(4)) | |
| 396 | (reftex-toc t))) | |
| 397 | (reftex-toc-Rescan)) | |
| 398 | (reftex-kill-temporary-buffers)) | |
| 399 | (defun reftex-toc-Rescan (&rest ignore) | |
| 400 | "Regenerate the *toc* buffer by reparsing the entire document." | |
| 401 | (interactive) | |
| 402 | (switch-to-buffer-other-window | |
| 403 | (reftex-get-file-buffer-force reftex-last-toc-file)) | |
| 404 | (setq current-prefix-arg '(16)) | |
| 405 | (reftex-toc t)) | |
| 406 | (defun reftex-toc-revert (&rest ignore) | |
| 407 | "Regenerate the *toc* from the internal lists." | |
| 408 | (interactive) | |
| 409 | (switch-to-buffer-other-window | |
| 410 | (reftex-get-file-buffer-force reftex-last-toc-file)) | |
| 411 | (reftex-erase-buffer "*toc*") | |
| 412 | (setq current-prefix-arg nil) | |
| 413 | (reftex-toc t)) | |
| 414 | (defun reftex-toc-external (&rest ignore) | |
| 415 | "Switch to table of contents of an external document." | |
| 416 | (interactive) | |
| 417 | (let* ((old-buf (current-buffer)) | |
| 418 | (xr-alist (get-text-property 1 'xr-alist)) | |
| 419 | (xr-index (reftex-select-external-document | |
| 420 | xr-alist 0))) | |
| 421 | (switch-to-buffer-other-window (or (reftex-get-file-buffer-force | |
| 422 | (cdr (nth xr-index xr-alist))) | |
| 423 | (error "Cannot switch document"))) | |
| 424 | (reftex-toc) | |
| 425 | (if (equal old-buf (current-buffer)) | |
| 426 | (message "") | |
| 427 | (message "Switched document")))) | |
| 428 | ||
| 429 | (defun reftex-toc-visit-location (&optional final no-revisit) | |
| 430 | ;; Visit the tex file corresponding to the toc entry on the current line. | |
| 431 | ;; If FINAL is t, stay there | |
| 432 | ;; If FINAL is 'hide, hide the *toc* window. | |
| 433 | ;; Otherwise, move cursor back into *toc* window. | |
| 434 | ;; NO-REVISIT means don't visit files, just use live biffers. | |
| 435 | ;; This function is pretty clever about finding back a section heading, | |
| 436 | ;; even if the buffer is not live, or things like outline, x-symbol etc. | |
| 437 | ;; have been active. | |
| 438 | ||
| 439 | (let* ((toc (get-text-property (point) :data)) | |
| 440 | (toc-window (selected-window)) | |
| 441 | show-window show-buffer match) | |
| 442 | ||
| 443 | (unless toc (error "Don't know which toc line to visit")) | |
| 444 | ||
| 445 | (cond | |
| 446 | ||
| 447 | ((eq (car toc) 'toc) | |
| 448 | ;; a toc entry | |
| 449 | (setq match (reftex-toc-find-section toc no-revisit))) | |
| 450 | ||
| 451 | ((eq (car toc) 'index) | |
| 452 | ;; an index entry | |
| 453 | (setq match (reftex-index-show-entry toc no-revisit))) | |
| 454 | ||
| 455 | ((memq (car toc) '(bof eof)) | |
| 456 | ;; A file entry | |
| 457 | (setq match | |
| 458 | (let ((where (car toc)) | |
| 459 | (file (nth 1 toc))) | |
| 460 | (if (or (not no-revisit) (reftex-get-buffer-visiting file)) | |
| 461 | (progn | |
| 462 | (switch-to-buffer-other-window | |
| 463 | (reftex-get-file-buffer-force file nil)) | |
| 464 | (goto-char (if (eq where 'bof) (point-min) (point-max)))) | |
| 465 | (message reftex-no-follow-message) nil)))) | |
| 466 | ||
| 467 | ((stringp (car toc)) | |
| 468 | ;; a label | |
| 469 | (setq match (reftex-show-label-location toc reftex-callback-fwd | |
| 470 | no-revisit t)))) | |
| 471 | ||
| 472 | (setq show-window (selected-window) | |
| 473 | show-buffer (current-buffer)) | |
| 474 | ||
| 475 | (unless match | |
| 476 | (select-window toc-window) | |
| 477 | (error "Cannot find location")) | |
| 478 | ||
| 479 | (select-window toc-window) | |
| 480 | ||
| 481 | ;; use the `final' parameter to decide what to do next | |
| 482 | (cond | |
| 483 | ((eq final t) | |
| 484 | (reftex-unhighlight 0) | |
| 485 | (select-window show-window)) | |
| 486 | ((eq final 'hide) | |
| 487 | (reftex-unhighlight 0) | |
| 488 | (or (one-window-p) (delete-window)) | |
| 489 | (switch-to-buffer show-buffer) | |
| 490 | (reftex-re-enlarge)) | |
| 491 | (t nil)))) | |
| 492 | ||
| 493 | (defun reftex-toc-find-section (toc &optional no-revisit) | |
| 494 | (let* ((file (nth 3 toc)) | |
| 495 | (marker (nth 4 toc)) | |
| 496 | (level (nth 5 toc)) | |
| 497 | (literal (nth 7 toc)) | |
| 498 | (emergency-point (nth 8 toc)) | |
| 499 | (match | |
| 500 | (cond | |
| 501 | ((and (markerp marker) (marker-buffer marker)) | |
| 502 | ;; Buffer is still live and we have the marker. Should be easy. | |
| 503 | (switch-to-buffer-other-window (marker-buffer marker)) | |
| 504 | (goto-char (marker-position marker)) | |
| 505 | (or (looking-at (regexp-quote literal)) | |
| 506 | (looking-at (reftex-make-regexp-allow-for-ctrl-m literal)) | |
| 507 | (looking-at (reftex-make-desperate-section-regexp literal)) | |
| 508 | (looking-at (concat "\\\\" | |
| 509 | (regexp-quote | |
| 510 | (car | |
| 511 | (rassq level | |
| 512 | reftex-section-levels-all))) | |
| 7c4d13cc | 513 | "[[{]?")))) |
| 1a9461d0 CD |
514 | ((or (not no-revisit) |
| 515 | (reftex-get-buffer-visiting file)) | |
| 516 | ;; Marker is lost. Use the backup method. | |
| 517 | (switch-to-buffer-other-window | |
| 518 | (reftex-get-file-buffer-force file nil)) | |
| 519 | (goto-char (or emergency-point (point-min))) | |
| 520 | (or (looking-at (regexp-quote literal)) | |
| 521 | (let ((len (length literal))) | |
| 522 | (or (reftex-nearest-match (regexp-quote literal) len) | |
| 523 | (reftex-nearest-match | |
| 524 | (reftex-make-regexp-allow-for-ctrl-m literal) len) | |
| 525 | (reftex-nearest-match | |
| 526 | (reftex-make-desperate-section-regexp literal) len))))) | |
| 527 | (t (message reftex-no-follow-message) nil)))) | |
| 528 | (when match | |
| 529 | (goto-char (match-beginning 0)) | |
| 530 | (if (not (= (point) (point-max))) (recenter 1)) | |
| 531 | (reftex-highlight 0 (match-beginning 0) (match-end 0) (current-buffer))) | |
| 532 | match)) | |
| 533 | ||
| 534 | (defun reftex-make-desperate-section-regexp (old) | |
| 535 | ;; Return a regexp which will still match a section statement even if | |
| 536 | ;; x-symbol or isotex or the like have been at work in the mean time. | |
| 537 | (let* ((n (1+ (string-match "[[{]" old))) | |
| 538 | (new (regexp-quote (substring old 0 (1+ (string-match "[[{]" old))))) | |
| 539 | (old (substring old n))) | |
| 540 | (while (string-match | |
| 541 | "\\([\r\n]\\)\\|\\(\\`\\|[ \t\n\r]\\)\\([a-zA-Z0-9]+\\)\\([ \t\n\r]\\|}\\'\\)" | |
| 542 | old) | |
| 543 | (if (match-beginning 1) | |
| 544 | (setq new (concat new "[^\n\r]*[\n\r]")) | |
| 545 | (setq new (concat new "[^\n\r]*" (match-string 3 old)))) | |
| 546 | (setq old (substring old (match-end 0)))) | |
| 547 | new)) | |
| 548 | ||
| 549 | ;; Table of Contents map | |
| 550 | (define-key reftex-toc-map (if (featurep 'xemacs) [(button2)] [(mouse-2)]) | |
| 551 | 'reftex-toc-mouse-goto-line-and-hide) | |
| 552 | ||
| 553 | (substitute-key-definition | |
| 554 | 'next-line 'reftex-toc-next reftex-toc-map global-map) | |
| 555 | (substitute-key-definition | |
| 556 | 'previous-line 'reftex-toc-previous reftex-toc-map global-map) | |
| 557 | ||
| 558 | (loop for x in | |
| 559 | '(("n" . reftex-toc-next) | |
| 560 | ("p" . reftex-toc-previous) | |
| 561 | ("?" . reftex-toc-show-help) | |
| 562 | (" " . reftex-toc-view-line) | |
| 563 | ("\C-m" . reftex-toc-goto-line-and-hide) | |
| 564 | ("\C-i" . reftex-toc-goto-line) | |
| 565 | ("\C-c>". reftex-toc-display-index) | |
| 566 | ("r" . reftex-toc-rescan) | |
| 567 | ("R" . reftex-toc-Rescan) | |
| 568 | ("g" . revert-buffer) | |
| 569 | ("q" . reftex-toc-quit) | |
| 570 | ("k" . reftex-toc-quit-and-kill) | |
| 571 | ("f" . reftex-toc-toggle-follow) | |
| 572 | ("F" . reftex-toc-toggle-file-boundary) | |
| 573 | ("i" . reftex-toc-toggle-index) | |
| 574 | ("l" . reftex-toc-toggle-labels) | |
| 7c4d13cc | 575 | ("t" . reftex-toc-max-level) |
| 1a9461d0 CD |
576 | ("c" . reftex-toc-toggle-context) |
| 577 | ("%" . reftex-toc-toggle-commented) | |
| 578 | ("x" . reftex-toc-external) | |
| 579 | ("." . reftex-toc-show-calling-point) | |
| 580 | ("\C-c\C-n" . reftex-toc-next-heading) | |
| 581 | ("\C-c\C-p" . reftex-toc-previous-heading)) | |
| 582 | do (define-key reftex-toc-map (car x) (cdr x))) | |
| 583 | ||
| 584 | (loop for key across "0123456789" do | |
| 585 | (define-key reftex-toc-map (vector (list key)) 'digit-argument)) | |
| 586 | (define-key reftex-toc-map "-" 'negative-argument) | |
| 587 | ||
| 588 | (easy-menu-define | |
| 589 | reftex-toc-menu reftex-toc-map | |
| 590 | "Menu for Table of Contents buffer" | |
| 591 | '("TOC" | |
| 592 | ["Show Location" reftex-toc-view-line t] | |
| 593 | ["Go To Location" reftex-toc-goto-line t] | |
| 594 | ["Exit & Go To Location" reftex-toc-goto-line-and-hide t] | |
| 595 | ["Index" reftex-toc-display-index t] | |
| 596 | ["Quit" reftex-toc-quit t] | |
| 597 | "--" | |
| 598 | ["External Document TOC " reftex-toc-external t] | |
| 599 | "--" | |
| 600 | ("Update" | |
| 11b4a0d2 | 601 | ["Rebuilt *toc* Buffer" revert-buffer t] |
| 1a9461d0 CD |
602 | ["Rescan One File" reftex-toc-rescan reftex-enable-partial-scans] |
| 603 | ["Rescan Entire Document" reftex-toc-Rescan t]) | |
| 604 | ("Options" | |
| 605 | "TOC Items" | |
| 606 | ["File Boundaries" reftex-toc-toggle-file-boundary :style toggle | |
| 607 | :selected reftex-toc-include-file-boundaries] | |
| 608 | ["Labels" reftex-toc-toggle-labels :style toggle | |
| 609 | :selected reftex-toc-include-labels] | |
| 610 | ["Index Entries" reftex-toc-toggle-index :style toggle | |
| 611 | :selected reftex-toc-include-index-entries] | |
| 612 | ["Context" reftex-toc-toggle-context :style toggle | |
| 613 | :selected reftex-toc-include-context] | |
| 614 | "--" | |
| 615 | ["Follow Mode" reftex-toc-toggle-follow :style toggle | |
| 616 | :selected reftex-toc-follow-mode]) | |
| 617 | "--" | |
| 618 | ["Help" reftex-toc-show-help t])) | |
| 619 | ||
| 620 | ||
| 621 | ;;; reftex-toc.el ends here |