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1a9461d0 | 1 | ;;; reftex-sel.el - The selection modes for RefTeX |
9f286482 | 2 | ;; Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
3ba2590f RS |
3 | |
4 | ;; Author: Carsten Dominik <dominik@strw.LeidenUniv.nl> | |
d8fb2015 | 5 | ;; Version: 4.14 |
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-sel) |
27 | (require 'reftex) | |
28 | ;;; | |
29 | ||
30 | (defvar reftex-select-label-map nil | |
31 | "Keymap used for *RefTeX Select* buffer, when selecting a label. | |
32 | This keymap can be used to configure the label selection process which is | |
33 | started with the command \\[reftex-reference].") | |
34 | ||
35 | (defun reftex-select-label-mode () | |
36 | "Major mode for selecting a label in a LaTeX document. | |
37 | This buffer was created with RefTeX. | |
38 | It only has a meaningful keymap when you are in the middle of a | |
39 | selection process. | |
40 | To select a label, move the cursor to it and press RET. | |
41 | Press `?' for a summary of important key bindings. | |
42 | ||
43 | During a selection process, these are the local bindings. | |
44 | ||
45 | \\{reftex-select-label-map}" | |
46 | ||
47 | (interactive) | |
48 | (kill-all-local-variables) | |
49 | (make-local-hook 'pre-command-hook) | |
50 | (make-local-hook 'post-command-hook) | |
51 | (setq major-mode 'reftex-select-label-mode | |
52 | mode-name "LSelect") | |
53 | (set (make-local-variable 'reftex-select-marked) nil) | |
54 | (when (syntax-table-p reftex-latex-syntax-table) | |
55 | (set-syntax-table reftex-latex-syntax-table)) | |
56 | ;; We do not set a local map - reftex-select-item does this. | |
57 | (run-hooks 'reftex-select-label-mode-hook)) | |
58 | ||
59 | (defvar reftex-select-bib-map nil | |
60 | "Keymap used for *RefTeX Select* buffer, when selecting a BibTeX entry. | |
61 | This keymap can be used to configure the BibTeX selection process which is | |
62 | started with the command \\[reftex-citation].") | |
63 | ||
64 | (defun reftex-select-bib-mode () | |
65 | "Major mode for selecting a citation key in a LaTeX document. | |
66 | This buffer was created with RefTeX. | |
67 | It only has a meaningful keymap when you are in the middle of a | |
68 | selection process. | |
69 | In order to select a citation, move the cursor to it and press RET. | |
70 | Press `?' for a summary of important key bindings. | |
71 | ||
72 | During a selection process, these are the local bindings. | |
73 | ||
74 | \\{reftex-select-label-map}" | |
75 | (interactive) | |
76 | (kill-all-local-variables) | |
77 | (make-local-hook 'pre-command-hook) | |
78 | (make-local-hook 'post-command-hook) | |
79 | (setq major-mode 'reftex-select-bib-mode | |
80 | mode-name "BSelect") | |
81 | (set (make-local-variable 'reftex-select-marked) nil) | |
82 | ;; We do not set a local map - reftex-select-item does this. | |
83 | (run-hooks 'reftex-select-bib-mode-hook)) | |
84 | ||
85 | (defun reftex-get-offset (buf here-am-I &optional typekey toc index file) | |
86 | ;; Find the correct offset data, like insert-docstruct would, but faster. | |
87 | ;; Buffer BUF knows the correct docstruct to use. | |
88 | ;; Basically this finds the first docstruct entry after HERE-I-AM which | |
89 | ;; is of allowed type. The optional arguments specify what is allowed. | |
90 | (catch 'exit | |
91 | (save-excursion | |
92 | (set-buffer buf) | |
93 | (reftex-access-scan-info) | |
94 | (let* ((rest (memq here-am-I (symbol-value reftex-docstruct-symbol))) | |
95 | entry) | |
96 | (while (setq entry (pop rest)) | |
97 | (if (or (and typekey | |
98 | (stringp (car entry)) | |
99 | (or (equal typekey " ") | |
100 | (equal typekey (nth 1 entry)))) | |
101 | (and toc (eq (car entry) 'toc)) | |
102 | (and index (eq (car entry) 'index)) | |
103 | (and file | |
104 | (memq (car entry) '(bof eof file-error)))) | |
105 | (throw 'exit entry))) | |
106 | nil)))) | |
107 | ||
108 | (defun reftex-insert-docstruct | |
109 | (buf toc labels index-entries files context counter show-commented | |
110 | here-I-am xr-prefix toc-buffer) | |
111 | ;; Insert an excerpt of the docstruct list. | |
112 | ;; Return the data property of the entry corresponding to HERE-I-AM. | |
113 | ;; BUF is the buffer which has the correct docstruct-symbol. | |
114 | ;; LABELS non-nil means to include labels into the list. | |
115 | ;; When a string, indicates the label type to include | |
116 | ;; FILES non-nil menas to display file boundaries. | |
117 | ;; CONTEXT non-nil means to include label context. | |
118 | ;; COUNTER means to count the labels. | |
119 | ;; SHOW-COMMENTED means to include also labels which are commented out. | |
120 | ;; HERE-I-AM is a member of the docstruct list. The function will return | |
121 | ;; a used member near to this one, as a possible starting point. | |
122 | ;; XR-PREFIX is the prefix to put in front of labels. | |
123 | ;; TOC-BUFFER means this is to fill the toc buffer. | |
124 | (let* ((font (reftex-use-fonts)) | |
125 | (cnt 0) | |
126 | (index -1) | |
127 | (toc-indent " ") | |
128 | (label-indent | |
129 | (concat "> " | |
130 | (if toc (make-string (* 7 reftex-level-indent) ?\ ) ""))) | |
131 | (context-indent | |
132 | (concat ". " | |
133 | (if toc (make-string (* 7 reftex-level-indent) ?\ ) ""))) | |
134 | (mouse-face | |
135 | (if (memq reftex-highlight-selection '(mouse both)) | |
136 | reftex-mouse-selected-face | |
137 | nil)) | |
138 | (label-face (reftex-verified-face reftex-label-face | |
139 | 'font-lock-constant-face | |
140 | 'font-lock-reference-face)) | |
141 | (index-face (reftex-verified-face reftex-index-face | |
142 | 'font-lock-constant-face | |
143 | 'font-lock-reference-face)) | |
144 | all cell text label typekey note comment master-dir-re | |
145 | offset from to index-tag docstruct-symbol) | |
146 | ||
147 | ;; Pop to buffer buf to get the correct buffer-local variables | |
148 | (save-excursion | |
149 | (set-buffer buf) | |
150 | ||
151 | ;; Ensure access to scanning info | |
152 | (reftex-access-scan-info) | |
153 | ||
154 | (setq docstruct-symbol reftex-docstruct-symbol | |
155 | all (symbol-value reftex-docstruct-symbol) | |
156 | reftex-active-toc nil | |
157 | master-dir-re | |
158 | (concat "\\`" (regexp-quote | |
159 | (file-name-directory (reftex-TeX-master-file)))))) | |
160 | ||
161 | (set (make-local-variable 'reftex-docstruct-symbol) docstruct-symbol) | |
162 | (set (make-local-variable 'reftex-prefix) | |
163 | (cdr (assoc labels reftex-typekey-to-prefix-alist))) | |
164 | (if (equal reftex-prefix " ") (setq reftex-prefix nil)) | |
165 | ||
166 | ;; Walk the docstruct and insert the appropriate stuff | |
167 | (while (setq cell (pop all)) | |
168 | ||
169 | (incf index) | |
170 | (setq from (point)) | |
171 | ||
172 | (if (eq cell here-I-am) (setq offset 'attention)) | |
173 | ||
174 | (cond | |
175 | ||
176 | ((memq (car cell) '(bib thebib label-numbers appendix | |
177 | master-dir bibview-cache is-multi xr xr-doc))) | |
178 | ;; These are currently ignored | |
179 | ||
180 | ((memq (car cell) '(bof eof file-error)) | |
181 | ;; Beginning or end of a file | |
182 | (when files | |
183 | (if (eq offset 'attention) (setq offset cell)) | |
184 | (insert | |
185 | " File " (if (string-match master-dir-re (nth 1 cell)) | |
186 | (substring (nth 1 cell) (match-end 0)) | |
187 | (nth 1 cell)) | |
188 | (cond ((eq (car cell) 'bof) " starts here\n") | |
189 | ((eq (car cell) 'eof) " ends here\n") | |
190 | ((eq (car cell) 'file-error) " was not found\n"))) | |
191 | (setq to (point)) | |
192 | (when font | |
193 | (put-text-property from to | |
194 | 'face reftex-file-boundary-face)) | |
195 | (when toc-buffer | |
196 | (if mouse-face | |
197 | (put-text-property from (1- to) | |
198 | 'mouse-face mouse-face)) | |
199 | (put-text-property from to :data cell)))) | |
200 | ||
201 | ((eq (car cell) 'toc) | |
202 | ;; a table of contents entry | |
7c4d13cc CD |
203 | (when (and toc |
204 | (<= (nth 5 cell) reftex-toc-max-level)) | |
1a9461d0 CD |
205 | (if (eq offset 'attention) (setq offset cell)) |
206 | (setq reftex-active-toc cell) | |
207 | (insert (concat toc-indent (nth 2 cell) "\n")) | |
208 | (setq to (point)) | |
209 | (when font | |
210 | (put-text-property from to | |
211 | 'face reftex-section-heading-face)) | |
212 | (when toc-buffer | |
213 | (if mouse-face | |
214 | (put-text-property from (1- to) | |
215 | 'mouse-face mouse-face)) | |
216 | (put-text-property from to :data cell)) | |
217 | (goto-char to))) | |
218 | ||
219 | ((stringp (car cell)) | |
220 | ;; a label | |
221 | (when (null (nth 2 cell)) | |
222 | ;; No context yet. Quick update. | |
223 | (setcdr cell (cdr (reftex-label-info-update cell))) | |
224 | (put docstruct-symbol 'modified t)) | |
225 | ||
226 | (setq label (car cell) | |
227 | typekey (nth 1 cell) | |
228 | text (nth 2 cell) | |
229 | comment (nth 4 cell) | |
230 | note (nth 5 cell)) | |
231 | ||
232 | (when (and labels | |
233 | (or (eq labels t) | |
234 | (string= typekey labels) | |
235 | (string= labels " ")) | |
236 | (or show-commented (null comment))) | |
237 | ||
238 | ;; Yes we want this one | |
239 | (incf cnt) | |
240 | (if (eq offset 'attention) (setq offset cell)) | |
241 | ||
242 | (setq label (concat xr-prefix label)) | |
243 | (when comment (setq label (concat "% " label))) | |
244 | (insert label-indent label) | |
245 | (when font | |
246 | (setq to (point)) | |
247 | (put-text-property | |
248 | (- (point) (length label)) to | |
249 | 'face (if comment | |
250 | 'font-lock-comment-face | |
251 | label-face)) | |
252 | (goto-char to)) | |
253 | ||
254 | (insert (if counter (format " (%d) " cnt) "") | |
255 | (if comment " LABEL IS COMMENTED OUT " "") | |
256 | (if (stringp note) (concat " " note) "") | |
257 | "\n") | |
258 | (setq to (point)) | |
259 | ||
260 | (when context | |
261 | (insert context-indent text "\n") | |
262 | (setq to (point))) | |
263 | (put-text-property from to :data cell) | |
264 | (when mouse-face | |
265 | (put-text-property from (1- to) | |
266 | 'mouse-face mouse-face)) | |
267 | (goto-char to))) | |
268 | ||
269 | ((eq (car cell) 'index) | |
270 | ;; index entry | |
271 | (when (and index-entries | |
272 | (or (eq t index-entries) | |
273 | (string= index-entries (nth 1 cell)))) | |
274 | (if (eq offset 'attention) (setq offset cell)) | |
275 | (setq index-tag (format "<%s>" (nth 1 cell))) | |
276 | (and font | |
277 | (put-text-property 0 (length index-tag) | |
278 | 'face reftex-index-tag-face index-tag)) | |
279 | (insert label-indent index-tag " " (nth 7 cell)) | |
280 | ||
281 | (when font | |
282 | (setq to (point)) | |
283 | (put-text-property | |
284 | (- (point) (length (nth 7 cell))) to | |
285 | 'face index-face) | |
286 | (goto-char to)) | |
287 | (insert "\n") | |
288 | (setq to (point)) | |
289 | ||
290 | (when context | |
291 | (insert context-indent (nth 2 cell) "\n") | |
292 | (setq to (point))) | |
293 | (put-text-property from to :data cell) | |
294 | (when mouse-face | |
295 | (put-text-property from (1- to) | |
296 | 'mouse-face mouse-face)) | |
297 | (goto-char to))))) | |
298 | ||
299 | (when (reftex-refontify) | |
300 | ;; we need to fontify the buffer | |
301 | (reftex-fontify-select-label-buffer buf)) | |
302 | (run-hooks 'reftex-display-copied-context-hook) | |
303 | offset)) | |
304 | ||
305 | (defun reftex-find-start-point (fallback &rest locations) | |
306 | ;; Set point to the first available LOCATION. When a LOCATION is a list, | |
307 | ;; search for such a :data text property. When it is an integer, | |
308 | ;; use is as line number. FALLBACK is a buffer position used if everything | |
309 | ;; else fails. | |
310 | (catch 'exit | |
311 | (goto-char (point-min)) | |
312 | (let (loc pos) | |
313 | (while locations | |
314 | (setq loc (pop locations)) | |
315 | (cond | |
316 | ((null loc)) | |
317 | ((listp loc) | |
318 | (setq pos (text-property-any (point-min) (point-max) :data loc)) | |
319 | (when pos | |
320 | (goto-char pos) | |
321 | (throw 'exit t))) | |
322 | ((integerp loc) | |
323 | (when (<= loc (count-lines (point-min) (point-max))) | |
324 | (goto-line loc) | |
325 | (throw 'exit t))))) | |
326 | (goto-char fallback)))) | |
327 | ||
328 | (defvar reftex-last-data nil) | |
329 | (defvar reftex-last-line nil) | |
330 | (defvar reftex-select-marked nil) | |
331 | ||
332 | (defun reftex-select-item (prompt help-string keymap | |
333 | &optional offset | |
334 | call-back cb-flag) | |
335 | ;; Select an item, using PROMPT. The function returns a key indicating | |
336 | ;; an exit status, along with a data structure indicating which item was | |
337 | ;; selected. | |
338 | ;; HELP-STRING contains help. KEYMAP is a keymap with the available | |
339 | ;; selection commands. | |
340 | ;; OFFSET can be a label list item which will be selected at start. | |
341 | ;; When it is t, point will start out at the beginning of the buffer. | |
342 | ;; Any other value will cause restart where last selection left off. | |
343 | ;; When CALL-BACK is given, it is a function which is called with the index | |
344 | ;; of the element. | |
345 | ;; CB-FLAG is the initial value of that flag. | |
346 | ||
347 | (let* (ev data last-data (selection-buffer (current-buffer))) | |
348 | ||
349 | (setq reftex-select-marked nil) | |
350 | ||
351 | (setq ev | |
352 | (catch 'myexit | |
353 | (save-window-excursion | |
354 | (setq truncate-lines t) | |
355 | ||
356 | ;; Find a good starting point | |
357 | (reftex-find-start-point | |
358 | (point-min) offset reftex-last-data reftex-last-line) | |
359 | (beginning-of-line 1) | |
360 | (set (make-local-variable 'reftex-last-follow-point) (point)) | |
361 | ||
362 | (unwind-protect | |
363 | (progn | |
364 | (use-local-map keymap) | |
365 | (add-hook 'pre-command-hook 'reftex-select-pre-command-hook nil t) | |
366 | (add-hook 'post-command-hook 'reftex-select-post-command-hook nil t) | |
367 | (princ prompt) | |
368 | (set-marker reftex-recursive-edit-marker (point)) | |
369 | ;; XEmacs does not run post-command-hook here | |
370 | (and (featurep 'xemacs) (run-hooks 'post-command-hook)) | |
371 | (recursive-edit)) | |
372 | ||
373 | (set-marker reftex-recursive-edit-marker nil) | |
374 | (save-excursion | |
375 | (set-buffer selection-buffer) | |
376 | (use-local-map nil) | |
377 | (remove-hook 'pre-command-hook 'reftex-select-pre-command-hook t) | |
378 | (remove-hook 'post-command-hook | |
379 | 'reftex-select-post-command-hook t)) | |
380 | ;; Kill the mark overlays | |
381 | (mapcar (lambda (c) (delete-overlay (nth 1 c))) | |
382 | reftex-select-marked))))) | |
383 | ||
384 | (set (make-local-variable 'reftex-last-line) | |
385 | (+ (count-lines (point-min) (point)) (if (bolp) 1 0))) | |
386 | (set (make-local-variable 'reftex-last-data) last-data) | |
387 | (reftex-kill-buffer "*RefTeX Help*") | |
388 | (setq reftex-callback-fwd (not reftex-callback-fwd)) ;; ;-))) | |
389 | (message "") | |
390 | (list ev data last-data))) | |
391 | ||
392 | ;; The following variables are all bound dynamically in `reftex-select-item'. | |
393 | ;; The defvars are here only to silence the byte compiler. | |
394 | ||
395 | (defvar found-list) | |
396 | (defvar cb-flag) | |
397 | (defvar data) | |
398 | (defvar prompt) | |
399 | (defvar last-data) | |
400 | (defvar call-back) | |
401 | (defvar help-string) | |
402 | (defvar refstyle) | |
403 | ||
404 | ;; The selection commands | |
405 | ||
406 | (defun reftex-select-pre-command-hook () | |
407 | (reftex-unhighlight 1) | |
408 | (reftex-unhighlight 0)) | |
409 | ||
410 | (defun reftex-select-post-command-hook () | |
411 | (let (b e) | |
412 | (setq data (get-text-property (point) :data)) | |
413 | (setq last-data (or data last-data)) | |
414 | ||
415 | (when (and data cb-flag | |
416 | (not (equal reftex-last-follow-point (point)))) | |
417 | (setq reftex-last-follow-point (point)) | |
418 | (funcall call-back data reftex-callback-fwd | |
419 | (not reftex-revisit-to-follow))) | |
420 | (if data | |
421 | (setq b (or (previous-single-property-change | |
422 | (1+ (point)) :data) | |
423 | (point-min)) | |
424 | e (or (next-single-property-change | |
425 | (point) :data) | |
426 | (point-max))) | |
427 | (setq b (point) e (point))) | |
428 | (and (memq reftex-highlight-selection '(cursor both)) | |
429 | (reftex-highlight 1 b e)) | |
430 | (if (or (not (pos-visible-in-window-p b)) | |
431 | (not (pos-visible-in-window-p e))) | |
432 | (recenter '(4))) | |
433 | (unless (current-message) | |
434 | (princ prompt)))) | |
435 | ||
436 | (defun reftex-select-next (&optional arg) | |
437 | "Move to next selectable item." | |
438 | (interactive "p") | |
439 | (setq reftex-callback-fwd t) | |
440 | (or (eobp) (forward-char 1)) | |
441 | (re-search-forward "^[^. \t\n\r]" nil t arg) | |
442 | (beginning-of-line 1)) | |
443 | (defun reftex-select-previous (&optional arg) | |
444 | "Move to previous selectable item." | |
445 | (interactive "p") | |
446 | (setq reftex-callback-fwd nil) | |
447 | (re-search-backward "^[^. \t\n\r]" nil t arg)) | |
448 | (defun reftex-select-next-heading (&optional arg) | |
449 | "Move to next table of contentes line." | |
450 | (interactive "p") | |
451 | (end-of-line) | |
452 | (re-search-forward "^ " nil t arg) | |
453 | (beginning-of-line)) | |
454 | (defun reftex-select-previous-heading (&optional arg) | |
455 | "Move to previous table of contentes line." | |
456 | (interactive "p") | |
457 | (re-search-backward "^ " nil t arg)) | |
458 | (defun reftex-select-quit () | |
459 | "Abort selection process." | |
460 | (interactive) | |
461 | (throw 'myexit nil)) | |
462 | (defun reftex-select-keyboard-quit () | |
463 | "Abort selection process." | |
464 | (interactive) | |
465 | (throw 'exit t)) | |
466 | (defun reftex-select-jump-to-previous () | |
467 | "Jump back to where previous selection process left off." | |
468 | (interactive) | |
469 | (let (pos) | |
470 | (cond | |
471 | ((and (local-variable-p 'reftex-last-data (current-buffer)) | |
472 | reftex-last-data | |
473 | (setq pos (text-property-any (point-min) (point-max) | |
474 | :data reftex-last-data))) | |
475 | (goto-char pos)) | |
476 | ((and (local-variable-p 'reftex-last-line (current-buffer)) | |
477 | (integerp reftex-last-line)) | |
478 | (goto-line reftex-last-line)) | |
479 | (t (ding))))) | |
480 | (defun reftex-select-toggle-follow () | |
481 | "Toggle follow mode: Other window follows with full context." | |
482 | (interactive) | |
483 | (setq reftex-last-follow-point -1) | |
484 | (setq cb-flag (not cb-flag))) | |
485 | (defun reftex-select-toggle-varioref () | |
486 | "Toggle the macro used for referencing the label between \\ref and \\vref." | |
487 | (interactive) | |
488 | (if (string= refstyle "\\ref") | |
489 | (setq refstyle "\\vref") | |
490 | (setq refstyle "\\ref")) | |
491 | (force-mode-line-update)) | |
492 | (defun reftex-select-toggle-fancyref () | |
493 | "Toggle the macro used for referencing the label between \\ref and \\vref." | |
494 | (interactive) | |
495 | (setq refstyle | |
496 | (cond ((string= refstyle "\\ref") "\\fref") | |
497 | ((string= refstyle "\\fref") "\\Fref") | |
498 | (t "\\ref"))) | |
499 | (force-mode-line-update)) | |
500 | (defun reftex-select-show-insertion-point () | |
501 | "Show the point from where selection was started in another window." | |
502 | (interactive) | |
503 | (let ((this-window (selected-window))) | |
504 | (unwind-protect | |
505 | (progn | |
506 | (switch-to-buffer-other-window | |
507 | (marker-buffer reftex-select-return-marker)) | |
508 | (goto-char (marker-position reftex-select-return-marker)) | |
509 | (recenter '(4))) | |
510 | (select-window this-window)))) | |
511 | (defun reftex-select-callback () | |
512 | "Show full context in another window." | |
513 | (interactive) | |
514 | (if data (funcall call-back data reftex-callback-fwd nil) (ding))) | |
515 | (defun reftex-select-accept () | |
516 | "Accept the currently selected item." | |
517 | (interactive) | |
518 | (throw 'myexit 'return)) | |
519 | (defun reftex-select-mouse-accept (ev) | |
520 | "Accept the item at the mouse click." | |
521 | (interactive "e") | |
522 | (mouse-set-point ev) | |
523 | (setq data (get-text-property (point) :data)) | |
524 | (setq last-data (or data last-data)) | |
525 | (throw 'myexit 'return)) | |
526 | (defun reftex-select-read-label () | |
527 | "Use minibuffer to read a label to reference, with completion." | |
528 | (interactive) | |
529 | (let ((label (completing-read | |
530 | "Label: " (symbol-value reftex-docstruct-symbol) | |
531 | nil nil reftex-prefix))) | |
532 | (unless (or (equal label "") (equal label reftex-prefix)) | |
533 | (throw 'myexit label)))) | |
534 | (defun reftex-select-read-cite () | |
535 | "Use minibuffer to read a citation key with completion." | |
536 | (interactive) | |
537 | (let* ((key (completing-read "Citation key: " found-list)) | |
538 | (entry (assoc key found-list))) | |
539 | (cond | |
540 | ((or (null key) (equal key ""))) | |
541 | (entry | |
542 | (setq data entry) | |
543 | (setq last-data data) | |
544 | (throw 'myexit 'return)) | |
545 | (t (throw 'myexit key))))) | |
546 | ||
547 | (defun reftex-select-mark (&optional separator) | |
548 | "Mark the entry." | |
549 | (interactive) | |
550 | (let* ((data (get-text-property (point) :data)) | |
551 | boe eoe ovl) | |
552 | (or data (error "No entry to mark at point")) | |
553 | (if (assq data reftex-select-marked) | |
554 | (error "Entry is already marked")) | |
555 | (setq boe (or (previous-single-property-change (1+ (point)) :data) | |
556 | (point-min)) | |
557 | eoe (or (next-single-property-change (point) :data) (point-max))) | |
558 | (setq ovl (make-overlay boe eoe)) | |
559 | (push (list data ovl separator) reftex-select-marked) | |
560 | (overlay-put ovl 'face reftex-select-mark-face) | |
561 | (if (featurep 'xemacs) | |
562 | ;; before-string property is broken in Emacs | |
563 | (overlay-put ovl 'before-string | |
564 | (if separator | |
565 | (format "*%c%d* " separator | |
566 | (length reftex-select-marked)) | |
567 | (format "*%d* " (length reftex-select-marked))))) | |
568 | (message "Entry has mark no. %d" (length reftex-select-marked)))) | |
569 | ||
570 | (defun reftex-select-mark-comma () | |
571 | "Mark the entry and store the `comma' separator." | |
572 | (interactive) | |
573 | (reftex-select-mark ?,)) | |
574 | (defun reftex-select-mark-to () | |
575 | "Mark the entry and store the `to' separator." | |
576 | (interactive) | |
577 | (reftex-select-mark ?-)) | |
578 | (defun reftex-select-mark-and () | |
579 | "Mark the entry and store `and' to separator." | |
580 | (interactive) | |
581 | (reftex-select-mark ?+)) | |
582 | ||
583 | (defun reftex-select-unmark () | |
584 | "Unmark the entry." | |
585 | (interactive) | |
586 | (let* ((data (get-text-property (point) :data)) | |
587 | (cell (assq data reftex-select-marked)) | |
588 | (ovl (nth 1 cell)) | |
589 | (cnt 0) | |
590 | sep) | |
591 | (unless cell | |
592 | (error "No marked entry at point")) | |
593 | (and ovl (delete-overlay ovl)) | |
594 | (setq reftex-select-marked (delq cell reftex-select-marked)) | |
595 | (if (featurep 'xemacs) | |
596 | ;; before-string property is broken in Emacs | |
597 | (progn | |
598 | (setq cnt (1+ (length reftex-select-marked))) | |
599 | (mapcar (lambda (c) | |
600 | (setq sep (nth 2 c)) | |
601 | (overlay-put (nth 1 c) 'before-string | |
602 | (if sep | |
603 | (format "*%c%d* " sep (decf cnt)) | |
604 | (format "*%d* " (decf cnt))))) | |
605 | reftex-select-marked))) | |
606 | (message "Entry no longer marked"))) | |
607 | ||
608 | (defun reftex-select-help () | |
609 | "Display a summary of the special key bindings." | |
610 | (interactive) | |
611 | (with-output-to-temp-buffer "*RefTeX Help*" | |
612 | (princ help-string)) | |
613 | (reftex-enlarge-to-fit "*RefTeX Help*" t)) | |
614 | ||
615 | ;; Common bindings in reftex-select-label-map and reftex-select-bib-map | |
616 | (let ((map (make-sparse-keymap))) | |
617 | (substitute-key-definition | |
618 | 'next-line 'reftex-select-next map global-map) | |
619 | (substitute-key-definition | |
620 | 'previous-line 'reftex-select-previous map global-map) | |
621 | (substitute-key-definition | |
622 | 'keyboard-quit 'reftex-select-keyboard-quit map global-map) | |
623 | (substitute-key-definition | |
624 | 'newline 'reftex-select-accept map global-map) | |
625 | ||
626 | (loop for x in | |
627 | '((" " . reftex-select-callback) | |
628 | ("n" . reftex-select-next) | |
629 | ([(down)] . reftex-select-next) | |
630 | ("p" . reftex-select-previous) | |
631 | ([(up)] . reftex-select-previous) | |
632 | ("f" . reftex-select-toggle-follow) | |
633 | ("\C-m" . reftex-select-accept) | |
634 | ([(return)] . reftex-select-accept) | |
635 | ("q" . reftex-select-quit) | |
636 | ("." . reftex-select-show-insertion-point) | |
637 | ("?" . reftex-select-help)) | |
638 | do (define-key map (car x) (cdr x))) | |
639 | ||
640 | ;; The mouse-2 binding | |
641 | (if (featurep 'xemacs) | |
642 | (define-key map [(button2)] 'reftex-select-mouse-accept) | |
643 | (define-key map [(mouse-2)] 'reftex-select-mouse-accept)) | |
644 | ||
645 | ;; Digit arguments | |
646 | (loop for key across "0123456789" do | |
647 | (define-key map (vector (list key)) 'digit-argument)) | |
648 | (define-key map "-" 'negative-argument) | |
649 | ||
650 | ;; Make two maps | |
651 | (setq reftex-select-label-map map) | |
652 | (setq reftex-select-bib-map (copy-keymap map))) | |
653 | ||
654 | ;; Specific bindings in reftex-select-label-map | |
655 | (loop for key across "aAcgFlrRstx#%" do | |
656 | (define-key reftex-select-label-map (vector (list key)) | |
657 | (list 'lambda '() | |
658 | "Press `?' during selection to find out about this key." | |
659 | '(interactive) (list 'throw '(quote myexit) key)))) | |
660 | ||
661 | (loop for x in | |
662 | '(("b" . reftex-select-jump-to-previous) | |
663 | ("v" . reftex-select-toggle-varioref) | |
664 | ("V" . reftex-select-toggle-fancyref) | |
665 | ("m" . reftex-select-mark) | |
666 | ("u" . reftex-select-unmark) | |
667 | ("," . reftex-select-mark-comma) | |
668 | ("-" . reftex-select-mark-to) | |
669 | ("+" . reftex-select-mark-and) | |
670 | ([(tab)] . reftex-select-read-label) | |
671 | ("\C-i" . reftex-select-read-label) | |
672 | ("\C-c\C-n" . reftex-select-next-heading) | |
673 | ("\C-c\C-p" . reftex-select-previous-heading)) | |
674 | do | |
675 | (define-key reftex-select-label-map (car x) (cdr x))) | |
676 | ||
677 | ;; Specific bindings in reftex-select-bib-map | |
678 | (loop for key across "grRaA" do | |
679 | (define-key reftex-select-bib-map (vector (list key)) | |
680 | (list 'lambda '() | |
681 | "Press `?' during selection to find out about this key." | |
682 | '(interactive) (list 'throw '(quote myexit) key)))) | |
683 | ||
684 | (loop for x in | |
685 | '(("\C-i" . reftex-select-read-cite) | |
686 | ([(tab)] . reftex-select-read-cite) | |
687 | ("m" . reftex-select-mark) | |
688 | ("u" . reftex-select-unmark)) | |
689 | do (define-key reftex-select-bib-map (car x) (cdr x))) | |
690 | ||
691 | ||
692 | ;;; reftex-sel.el ends here |