Mercurial > hg > xemacs-beta
annotate lisp/select.el @ 5368:ed74d2ca7082
Use ', not #', when a given symbol may not have a function binding at read time
2011-03-10 Aidan Kehoe <kehoea@parhasard.net>
* cmdloop.el (yes-or-no-p):
* cmdloop.el (y-or-n-p):
* descr-text.el (describe-char):
* diagnose.el (show-memory-usage):
* diagnose.el (show-object-memory-usage-stats):
* diagnose.el (show-mc-alloc-memory-usage):
* diagnose.el (show-gc-stats):
* faces.el (face-font-instance):
* gtk-font-menu.el (gtk-reset-device-font-menus):
* help.el (help-symbol-function-context-menu):
* help.el (help-symbol-variable-context-menu):
* help.el (help-symbol-function-and-variable-context-menu):
* help.el (help-find-source-or-scroll-up):
* help.el (help-mouse-find-source-or-track):
* help.el (temp-buffer-resize-mode):
* minibuf.el (mouse-read-file-name-1):
* obsolete.el (find-non-ascii-charset-string):
* obsolete.el (find-non-ascii-charset-region):
* occur.el (occur-engine):
* paragraphs.el (forward-paragraph):
* paragraphs.el (forward-sentence):
* select.el (activate-region-as-selection):
* select.el (select-make-extent-for-selection):
* simple.el (zmacs-make-extent-for-region):
Use quote, not function, for quoting symbols that may not be
fboundp at the point they are read (again, a style issue, since
Common Lisp throws an error on this, but we don't, and have no
plans to.)
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Thu, 10 Mar 2011 18:51:15 +0000 |
| parents | 0f9aa4eb4bec |
| children | ac37a5f7e5be |
| rev | line source |
|---|---|
| 428 | 1 ;;; select.el --- Lisp interface to windows selections. |
| 2 | |
| 3 ;; Copyright (C) 1998 Andy Piper. | |
| 4 ;; Copyright (C) 1990, 1997 Free Software Foundation, Inc. | |
| 5 ;; Copyright (C) 1995 Sun Microsystems. | |
| 851 | 6 ;; Copyright (C) 2002 Ben Wing. |
| 428 | 7 |
| 8 ;; Maintainer: XEmacs Development Team | |
| 9 ;; Keywords: extensions, dumped | |
| 10 | |
| 11 ;; This file is part of XEmacs. | |
| 12 | |
| 13 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 14 ;; under the terms of the GNU General Public License as published by | |
| 15 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 16 ;; any later version. | |
| 17 | |
| 18 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 21 ;; General Public License for more details. | |
| 22 | |
| 23 ;; You should have received a copy of the GNU General Public License | |
| 444 | 24 ;; along with XEmacs; see the file COPYING. If not, write to the |
| 428 | 25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 26 ;; Boston, MA 02111-1307, USA. | |
| 27 | |
| 28 ;;; Synched up with: Not in FSF | |
| 29 | |
| 30 ;;; Commentary: | |
| 31 | |
| 444 | 32 ;; This file is dumped with XEmacs |
| 428 | 33 |
| 34 ;;; Code: | |
| 35 | |
| 2624 | 36 ;; We prefer UTF8_STRING to COMPOUND_TEXT because, even though the latter |
| 37 ;; gives us more information when taking data from other XEmacs invocations, | |
| 38 ;; Mozilla will happily give us broken COMPOUND_TEXT where a non-broken | |
| 39 ;; UTF8_STRING is available. | |
| 40 (defvar selection-preferred-types | |
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41 `(UTF8_STRING ,@(and (featurep 'mule) '(COMPOUND_TEXT)) STRING |
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42 ,@(mapcan #'(lambda (format) |
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43 (and (featurep format) |
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44 (list (intern (format "image/%s" format))))) |
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45 '(png gif jpeg tiff xpm xbm))) |
| 2624 | 46 "An ordered list of X11 type atoms for selections we want to receive. |
| 47 We prefer UTF8_STRING over COMPOUND_TEXT, for compatibility with a certain | |
| 48 widely-used browser suite, and COMPOUND_TEXT over STRING. (COMPOUND_TEXT | |
| 49 isn't available on non-Mule.) We also accept several image types. | |
| 50 | |
| 51 For compatibility, this can be a single atom. ") | |
| 52 | |
| 53 ;; Renamed because it was just ridiculous for it to be mostly image formats | |
| 54 ;; and named selected-text-type. | |
| 55 (define-obsolete-variable-alias 'selected-text-type 'selection-preferred-types) | |
| 428 | 56 |
| 444 | 57 (defvar selection-sets-clipboard nil |
| 428 | 58 "Controls the selection's relationship to the clipboard. |
| 59 When non-nil, any operation that sets the primary selection will also | |
| 60 set the clipboard.") | |
| 61 | |
| 62 (defun copy-primary-selection () | |
| 851 | 63 "Copy the selection to the Clipboard and the kill ring. |
| 64 This is similar to the command \\[kill-ring-save] except that it will | |
| 65 save to the Clipboard even if that command doesn't, and it handles rectangles | |
| 66 properly." | |
| 428 | 67 (interactive) |
| 68 (and (console-on-window-system-p) | |
| 69 (cut-copy-clear-internal 'copy))) | |
| 70 | |
| 71 (defun kill-primary-selection () | |
| 2624 | 72 "Copy the selection to the Clipboard and the kill ring, then delete it. |
| 851 | 73 This is similar to the command \\[kill-region] except that it will |
| 74 save to the Clipboard even if that command doesn't, and it handles rectangles | |
| 75 properly." | |
| 428 | 76 (interactive "*") |
| 77 (and (console-on-window-system-p) | |
| 78 (cut-copy-clear-internal 'cut))) | |
| 79 | |
| 80 (defun delete-primary-selection () | |
| 81 "Delete the selection without copying it to the Clipboard or the kill ring." | |
| 82 (interactive "*") | |
| 83 (and (console-on-window-system-p) | |
| 84 (cut-copy-clear-internal 'clear))) | |
| 85 | |
| 86 (defun yank-clipboard-selection () | |
| 87 "Insert the current Clipboard selection at point." | |
| 88 (interactive "*") | |
| 89 (when (console-on-window-system-p) | |
| 90 (setq last-command nil) | |
| 91 (setq this-command 'yank) ; so that yank-pop works. | |
| 92 (let ((clip (get-clipboard))) | |
| 93 (or clip (error "there is no clipboard selection")) | |
| 94 (push-mark) | |
| 95 (insert clip)))) | |
| 96 | |
| 97 (defun get-clipboard () | |
| 829 | 98 "Return text pasted to the clipboard. |
| 843 | 99 Not suitable for `interprogram-paste-function', use `get-clipboard-foreign'." |
| 100 (get-selection 'CLIPBOARD)) | |
| 101 | |
| 102 (defun get-clipboard-foreign () | |
| 103 "Return text pasted to the clipboard by another program. | |
| 829 | 104 See `interprogram-paste-function' for more information." |
| 843 | 105 (get-selection-foreign 'CLIPBOARD)) |
| 428 | 106 |
| 107 (define-device-method get-cutbuffer | |
| 108 "Return the value of one of the cut buffers. | |
| 109 This will do nothing under anything other than X.") | |
| 110 | |
| 111 (defun get-selection-no-error (&optional type data-type) | |
| 442 | 112 "Return the value of a window-system selection. |
| 2624 | 113 The argument TYPE (default `PRIMARY') says which selection, and the argument |
| 114 DATA-TYPE (defaulting to the value of `selection-preferred-types'), says how | |
| 115 to convert the data. Returns NIL if there is no selection." | |
| 442 | 116 (condition-case nil (get-selection type data-type) (t nil))) |
| 428 | 117 |
| 118 (defun get-selection (&optional type data-type) | |
| 843 | 119 "Return the value of a window-system selection. |
| 2624 | 120 The argument TYPE (default `PRIMARY') says which selection, and the argument |
| 121 DATA-TYPE (defaulting to the value of, and compatible with, | |
| 122 `selection-preferred-types') says how to convert the data. If | |
| 123 there is no selection an error is signalled. Not suitable in a | |
| 124 `interprogram-paste-function', q.v." | |
| 428 | 125 (or type (setq type 'PRIMARY)) |
| 2624 | 126 (or data-type (setq data-type selection-preferred-types)) |
| 829 | 127 (if (consp data-type) |
| 2624 | 128 ;; TARGETS is a vector; we want a list so we can memq --> append it to |
| 129 ;; nil. | |
| 130 (let ((targets (append (get-selection-internal type 'TARGETS) nil)) | |
| 131 res) | |
| 132 (catch 'converted | |
| 133 (if targets | |
| 134 (dolist (current-preference data-type) | |
| 3072 | 135 (condition-case nil |
| 2624 | 136 (if (and (memq current-preference targets) |
| 137 (setq res (get-selection-internal | |
| 138 type current-preference))) | |
| 139 (throw 'converted res)) | |
| 140 (selection-conversion-error | |
| 141 nil)))) | |
| 142 ;; The source app didn't offer us anything compatible in TARGETS, | |
| 143 ;; or they're not negotiating at all. (That is, we're probably not | |
| 144 ;; on X11.) Try to convert to the types specified by our caller, | |
| 145 ;; and throw an error if the last one of those fails. | |
| 146 (while data-type | |
| 147 (condition-case err | |
| 148 (progn | |
| 149 (setq res (get-selection-internal type (car data-type))) | |
| 2656 | 150 (if res (throw 'converted res) |
| 151 (signal 'selection-conversion-error nil))) | |
| 2624 | 152 (selection-conversion-error |
| 153 (if (cdr data-type) | |
| 2656 | 154 (setq data-type (cdr data-type)) |
| 2624 | 155 (signal (car err) (cdr err)))))))) |
| 829 | 156 (get-selection-internal type data-type))) |
| 428 | 157 |
| 847 | 158 (defun get-selection-foreign (&optional type data-type) |
| 159 "Return the value of a window-system selection, or nil if XEmacs owns it. | |
| 2624 | 160 The argument TYPE (default `PRIMARY') says which selection, and the argument |
| 161 DATA-TYPE (defaulting to the value of `selection-preferred-types' which see) | |
| 162 says how to convert the data. If there is no selection an error is | |
| 163 signalled. See `interprogram-paste-function' for more information." | |
| 847 | 164 (unless (selection-owner-p type) |
| 165 (get-selection type data-type))) | |
| 166 | |
| 428 | 167 ;; FSFmacs calls this `x-set-selection', and reverses the |
| 442 | 168 ;; first two arguments (duh ...). This order is more logical. |
| 169 (defun own-selection (data &optional type how-to-add data-type) | |
| 170 "Make a window-system selection of type TYPE and value DATA. | |
| 428 | 171 The argument TYPE (default `PRIMARY') says which selection, |
| 442 | 172 and DATA specifies the contents. DATA may be any lisp data type |
| 173 that can be converted using the function corresponding to DATA-TYPE | |
| 174 in `select-converter-alist'---strings are the usual choice, but | |
| 175 other types may be permissible depending on the DATA-TYPE parameter | |
| 851 | 176 \(if DATA-TYPE is not supplied, the default behavior is window |
| 442 | 177 system specific, but strings are always accepted). |
| 178 HOW-TO-ADD may be any of the following: | |
| 179 | |
| 180 'replace-all or nil -- replace all data in the selection. | |
| 181 'replace-existing -- replace data for specified DATA-TYPE only. | |
| 182 'append or t -- append data to existing DATA-TYPE data. | |
| 183 | |
| 184 DATA-TYPE is the window-system specific data type identifier | |
| 851 | 185 \(see `register-selection-data-type' for more information). |
| 428 | 186 |
| 187 The selection may also be a cons of two markers pointing to the same buffer, | |
| 188 or an overlay. In these cases, the selection is considered to be the text | |
| 442 | 189 between the markers *at whatever time the selection is examined* (note |
| 190 that the window system clipboard does not necessarily duplicate this | |
| 191 behavior - it doesn't on mswindows for example). | |
| 428 | 192 Thus, editing done in the buffer after you specify the selection |
| 193 can alter the effective value of the selection. | |
| 194 | |
| 195 The data may also be a vector of valid non-vector selection values. | |
| 196 | |
| 197 Interactively, the text of the region is used as the selection value." | |
| 198 (interactive (if (not current-prefix-arg) | |
| 199 (list (read-string "Store text for pasting: ")) | |
| 200 (list (substring (region-beginning) (region-end))))) | |
| 442 | 201 ;; calling own-selection-internal will mess this up, so preserve it. |
| 202 (let ((zmacs-region-stays zmacs-region-stays)) | |
| 203 ;FSFmacs huh?? It says: | |
| 204 ;; "This is for temporary compatibility with pre-release Emacs 19." | |
| 205 ;(if (stringp type) | |
| 206 ; (setq type (intern type))) | |
| 207 (or type (setq type 'PRIMARY)) | |
| 208 (if (null data) | |
| 209 (disown-selection-internal type) | |
| 210 (own-selection-internal type data how-to-add data-type) | |
| 211 (when (and (eq type 'PRIMARY) | |
| 212 selection-sets-clipboard) | |
| 213 (own-selection-internal 'CLIPBOARD data how-to-add data-type))) | |
| 214 (cond ((eq type 'PRIMARY) | |
| 215 (setq primary-selection-extent | |
| 216 (select-make-extent-for-selection | |
| 217 data primary-selection-extent))) | |
| 218 ((eq type 'SECONDARY) | |
| 219 (setq secondary-selection-extent | |
| 220 (select-make-extent-for-selection | |
| 221 data secondary-selection-extent))))) | |
| 222 ;; zmacs-region-stays is for commands, not low-level functions. | |
| 223 ;; when behaving as the latter, we better not set it, or we will | |
| 224 ;; cause unwanted sticky-region behavior in kill-region and friends. | |
| 225 (if (interactive-p) | |
| 226 (setq zmacs-region-stays t)) | |
| 428 | 227 data) |
| 228 | |
| 229 (defun dehilight-selection (selection) | |
| 230 "for use as a value of `lost-selection-hooks'." | |
| 231 (cond ((eq selection 'PRIMARY) | |
| 232 (if primary-selection-extent | |
| 233 (let ((inhibit-quit t)) | |
| 234 (if (consp primary-selection-extent) | |
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235 (mapc 'delete-extent primary-selection-extent) |
| 428 | 236 (delete-extent primary-selection-extent)) |
| 237 (setq primary-selection-extent nil))) | |
| 238 (if zmacs-regions (zmacs-deactivate-region))) | |
| 239 ((eq selection 'SECONDARY) | |
| 240 (if secondary-selection-extent | |
| 241 (let ((inhibit-quit t)) | |
| 242 (if (consp secondary-selection-extent) | |
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243 (mapc 'delete-extent secondary-selection-extent) |
| 428 | 244 (delete-extent secondary-selection-extent)) |
| 245 (setq secondary-selection-extent nil))))) | |
| 246 nil) | |
| 247 | |
| 248 (setq lost-selection-hooks 'dehilight-selection) | |
| 249 | |
| 442 | 250 (defun own-clipboard (string &optional push) |
| 251 "Paste the given string to the window system Clipboard. | |
| 252 See `interprogram-cut-function' for more information." | |
| 428 | 253 (own-selection string 'CLIPBOARD)) |
| 254 | |
| 255 (defun disown-selection (&optional secondary-p) | |
| 487 | 256 "Assuming we own the selection, disown it. |
| 257 With an argument, discard the secondary selection instead of the | |
| 258 primary selection." | |
| 428 | 259 (disown-selection-internal (if secondary-p 'SECONDARY 'PRIMARY)) |
| 260 (when (and selection-sets-clipboard | |
| 261 (or (not secondary-p) | |
| 262 (eq secondary-p 'PRIMARY) | |
| 263 (eq secondary-p 'CLIPBOARD))) | |
| 264 (disown-selection-internal 'CLIPBOARD))) | |
| 265 | |
| 266 ;; selections and active regions | |
| 267 | |
| 268 ;; If and only if zmacs-regions is true: | |
| 269 | |
| 270 ;; When a mark is pushed and the region goes into the "active" state, we | |
| 271 ;; assert it as the Primary selection. This causes it to be hilighted. | |
| 272 ;; When the region goes into the "inactive" state, we disown the Primary | |
| 273 ;; selection, causing the region to be dehilighted. | |
| 274 | |
| 275 ;; Note that it is possible for the region to be in the "active" state | |
| 276 ;; and not be hilighted, if it is in the active state and then some other | |
| 277 ;; application asserts the selection. This is probably not a big deal. | |
| 278 | |
| 279 (defun activate-region-as-selection () | |
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280 (cond ((and-fboundp 'mouse-track-rectangle-p |
| 4222 | 281 (mouse-track-rectangle-p |
| 282 (mouse-track-activate-rectangular-selection)))) | |
| 487 | 283 ((marker-buffer (mark-marker t)) |
| 284 (own-selection (cons (point-marker t) (mark-marker t)))))) | |
| 428 | 285 |
| 286 (defvar primary-selection-extent nil | |
| 287 "The extent of the primary selection; don't use this.") | |
| 288 | |
| 289 (defvar secondary-selection-extent nil | |
| 290 "The extent of the secondary selection; don't use this.") | |
| 291 | |
| 292 (defun select-make-extent-for-selection (selection previous-extent) | |
| 293 ;; Given a selection, this makes an extent in the buffer which holds that | |
| 294 ;; selection, for highlighting purposes. If the selection isn't associated | |
| 295 ;; with a buffer, this does nothing. | |
| 2624 | 296 ;; |
| 297 ;; Something similar needs to be hooked into the rectangle functions. | |
| 428 | 298 (let ((buffer nil) |
| 299 (valid (and (extentp previous-extent) | |
| 300 (extent-object previous-extent) | |
| 301 (buffer-live-p (extent-object previous-extent)))) | |
| 302 start end) | |
| 303 (cond ((stringp selection) | |
| 304 ;; if we're selecting a string, lose the previous extent used | |
| 305 ;; to highlight the selection. | |
| 306 (setq valid nil)) | |
| 307 ((consp selection) | |
| 308 (setq start (min (car selection) (cdr selection)) | |
| 309 end (max (car selection) (cdr selection)) | |
| 310 valid (and valid | |
| 311 (eq (marker-buffer (car selection)) | |
| 312 (extent-object previous-extent))) | |
| 313 buffer (marker-buffer (car selection)))) | |
| 314 ((extentp selection) | |
| 315 (setq start (extent-start-position selection) | |
| 316 end (extent-end-position selection) | |
| 317 valid (and valid | |
| 318 (eq (extent-object selection) | |
| 319 (extent-object previous-extent))) | |
| 320 buffer (extent-object selection))) | |
| 321 (t | |
| 322 (signal 'error (list "invalid selection" selection)))) | |
| 323 | |
| 324 (if valid | |
| 325 nil | |
| 326 (condition-case () | |
| 327 (if (listp previous-extent) | |
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328 (mapc 'delete-extent previous-extent) |
| 428 | 329 (delete-extent previous-extent)) |
| 330 (error nil))) | |
| 331 | |
| 332 (if (not buffer) | |
| 333 ;; string case | |
| 334 nil | |
| 335 ;; normal case | |
| 336 (if valid | |
| 337 (set-extent-endpoints previous-extent start end) | |
| 338 (setq previous-extent (make-extent start end buffer)) | |
| 339 | |
| 340 ;; Make the extent be closed on the right, which means that if | |
| 341 ;; characters are inserted exactly at the end of the extent, the | |
| 342 ;; extent will grow to cover them. This is important for shell | |
| 343 ;; buffers - suppose one makes a selection, and one end is at | |
| 344 ;; point-max. If the shell produces output, that marker will remain | |
| 345 ;; at point-max (its position will increase). So it's important that | |
| 346 ;; the extent exhibit the same behavior, lest the region covered by | |
| 347 ;; the extent (the visual indication), and the region between point | |
| 348 ;; and mark (the actual selection value) become different! | |
| 349 (set-extent-property previous-extent 'end-open nil) | |
| 350 | |
| 351 (cond | |
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352 ((and-fboundp 'mouse-track-rectangle-p |
| 4222 | 353 (mouse-track-rectangle-p |
| 354 (setq previous-extent (list previous-extent)) | |
| 355 (default-mouse-track-next-move-rect start end previous-extent) | |
| 356 )))) | |
| 428 | 357 previous-extent)))) |
| 358 | |
| 359 (defun valid-simple-selection-p (data) | |
| 442 | 360 "An obsolete function that tests whether something was a valid simple |
| 361 selection using the old XEmacs selection support. You shouldn't use this | |
| 362 any more, because just about anything could be a valid selection now." | |
| 428 | 363 (or (stringp data) |
| 364 ;FSFmacs huh?? (symbolp data) | |
| 365 (integerp data) | |
| 366 (and (consp data) | |
| 367 (integerp (car data)) | |
| 368 (or (integerp (cdr data)) | |
| 369 (and (consp (cdr data)) | |
| 370 (integerp (car (cdr data)))))) | |
| 371 (extentp data) | |
| 372 (and (consp data) | |
| 373 (markerp (car data)) | |
| 374 (markerp (cdr data)) | |
| 375 (marker-buffer (car data)) | |
| 376 (marker-buffer (cdr data)) | |
| 377 (eq (marker-buffer (car data)) | |
| 378 (marker-buffer (cdr data))) | |
| 379 (buffer-live-p (marker-buffer (car data))) | |
| 380 (buffer-live-p (marker-buffer (cdr data)))))) | |
| 381 | |
| 382 (defun cut-copy-clear-internal (mode) | |
|
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383 (or (memq mode '(cut copy clear)) (error "unknown mode %S" mode)) |
| 428 | 384 (or (selection-owner-p) |
| 385 (error "XEmacs does not own the primary selection")) | |
| 386 (setq last-command nil) | |
| 387 (or primary-selection-extent | |
| 388 (error "the primary selection is not an extent?")) | |
| 389 (save-excursion | |
| 390 (let (rect-p b s e) | |
| 391 (cond | |
| 392 ((consp primary-selection-extent) | |
| 393 (setq rect-p t | |
| 394 b (extent-object (car primary-selection-extent)) | |
| 395 s (extent-start-position (car primary-selection-extent)) | |
| 396 e (extent-end-position (car (reverse primary-selection-extent))))) | |
| 397 (t | |
| 398 (setq rect-p nil | |
| 399 b (extent-object primary-selection-extent) | |
| 400 s (extent-start-position primary-selection-extent) | |
| 401 e (extent-end-position primary-selection-extent)))) | |
| 402 (set-buffer b) | |
| 403 (cond ((memq mode '(cut copy)) | |
| 404 (if rect-p | |
| 405 (progn | |
| 851 | 406 ;; killed-rectangle is defvarred in rect.el |
| 428 | 407 (setq killed-rectangle (extract-rectangle s e)) |
| 408 (kill-new (mapconcat #'identity killed-rectangle "\n"))) | |
| 409 (copy-region-as-kill s e)) | |
| 410 ;; Maybe killing doesn't own clipboard. Make sure it happens. | |
| 411 ;; This memq is kind of grody, because they might have done it | |
| 412 ;; some other way, but owning the clipboard twice in that case | |
| 413 ;; wouldn't actually hurt anything. | |
| 414 (or (and (consp kill-hooks) (memq 'own-clipboard kill-hooks)) | |
| 851 | 415 (eq 'own-clipboard interprogram-cut-function) |
| 428 | 416 (own-clipboard (car kill-ring))))) |
| 417 (cond ((memq mode '(cut clear)) | |
| 418 (if rect-p | |
| 419 (delete-rectangle s e) | |
| 420 (delete-region s e)))) | |
| 421 (disown-selection nil) | |
| 422 ))) | |
| 423 | |
| 442 | 424 |
| 428 | 425 ;;; Functions to convert the selection into various other selection |
| 442 | 426 ;;; types. |
| 427 | |
| 428 ;; These next three functions get called by C code... | |
| 429 (defun select-convert-in (selection type value) | |
| 430 "Attempt to convert the specified external VALUE to the specified DATA-TYPE, | |
| 431 for the specified SELECTION. Return nil if this is impossible, or a | |
| 432 suitable internal representation otherwise." | |
| 433 (when value | |
| 434 (let ((handler-fn (cdr (assq type selection-converter-in-alist)))) | |
| 2624 | 435 (if handler-fn |
| 436 (apply handler-fn (list selection type value)) | |
| 437 value)))) | |
| 428 | 438 |
| 442 | 439 (defun select-convert-out (selection type value) |
| 440 "Attempt to convert the specified internal VALUE for the specified DATA-TYPE | |
| 441 and SELECTION. Return nil if this is impossible, or a suitable external | |
| 442 representation otherwise." | |
| 443 (when value | |
| 444 (let ((handler-fn (cdr (assq type selection-converter-out-alist)))) | |
| 445 (when handler-fn | |
| 446 (apply handler-fn (list selection type value)))))) | |
| 447 | |
| 448 (defun select-coerce (selection type value) | |
| 449 "Attempt to convert the specified internal VALUE to a representation | |
| 450 suitable for return from `get-selection' in the specified DATA-TYPE. Return | |
| 451 nil if this is impossible, or a suitable representation otherwise." | |
| 452 (when value | |
| 453 (let ((handler-fn (cdr (assq type selection-coercion-alist)))) | |
| 454 (when handler-fn | |
| 455 (apply handler-fn (list selection type value)))))) | |
| 456 | |
| 457 ;; The rest of the functions on this "page" are conversion handlers, | |
| 458 ;; append handlers and buffer-kill handlers. | |
| 428 | 459 (defun select-convert-to-text (selection type value) |
| 460 (cond ((stringp value) | |
| 461 value) | |
| 462 ((extentp value) | |
| 463 (save-excursion | |
| 464 (set-buffer (extent-object value)) | |
| 465 (save-restriction | |
| 466 (widen) | |
| 467 (buffer-substring (extent-start-position value) | |
| 468 (extent-end-position value))))) | |
| 469 ((and (consp value) | |
| 470 (markerp (car value)) | |
| 471 (markerp (cdr value))) | |
| 472 (or (eq (marker-buffer (car value)) (marker-buffer (cdr value))) | |
| 473 (signal 'error | |
| 474 (list "markers must be in the same buffer" | |
| 475 (car value) (cdr value)))) | |
| 476 (save-excursion | |
| 477 (set-buffer (or (marker-buffer (car value)) | |
| 478 (error "selection is in a killed buffer"))) | |
| 479 (save-restriction | |
| 480 (widen) | |
| 481 (buffer-substring (car value) (cdr value))))) | |
| 482 (t nil))) | |
| 483 | |
| 2624 | 484 (defun select-convert-to-timestamp (selection type value) |
| 485 (let ((ts (get-xemacs-selection-timestamp selection))) | |
| 486 (if ts (cons 'TIMESTAMP ts)))) | |
| 487 | |
| 488 (defun select-convert-to-utf-8-text (selection type value) | |
| 489 (cond ((stringp value) | |
| 490 (cons 'UTF8_STRING (encode-coding-string value 'utf-8))) | |
| 491 ((extentp value) | |
| 492 (save-excursion | |
| 493 (set-buffer (extent-object value)) | |
| 494 (save-restriction | |
| 495 (widen) | |
| 496 (cons 'UTF8_STRING | |
| 497 (encode-coding-string | |
| 498 (buffer-substring (extent-start-position value) | |
| 499 (extent-end-position value)) 'utf-8))))) | |
| 500 ((and (consp value) | |
| 501 (markerp (car value)) | |
| 502 (markerp (cdr value))) | |
| 503 (or (eq (marker-buffer (car value)) (marker-buffer (cdr value))) | |
| 504 (signal 'error | |
| 505 (list "markers must be in the same buffer" | |
| 506 (car value) (cdr value)))) | |
| 507 (save-excursion | |
| 508 (set-buffer (or (marker-buffer (car value)) | |
| 509 (error "selection is in a killed buffer"))) | |
| 510 (save-restriction | |
| 511 (widen) | |
| 512 (cons 'UTF8_STRING (encode-coding-string | |
| 513 (buffer-substring (car value) (cdr value)) | |
| 514 'utf-8))))) | |
| 515 (t nil))) | |
| 516 | |
| 442 | 517 (defun select-coerce-to-text (selection type value) |
| 518 (select-convert-to-text selection type value)) | |
| 519 | |
| 428 | 520 (defun select-convert-to-string (selection type value) |
| 521 (let ((outval (select-convert-to-text selection type value))) | |
| 442 | 522 ;; force the string to be not in Compound Text format. This grubby |
| 523 ;; hack will go soon, to be replaced by a more general mechanism. | |
| 428 | 524 (if (stringp outval) |
| 525 (cons 'STRING outval) | |
| 526 outval))) | |
| 527 | |
| 528 (defun select-convert-to-compound-text (selection type value) | |
| 529 ;; converts to compound text automatically | |
| 530 (select-convert-to-text selection type value)) | |
| 531 | |
| 532 (defun select-convert-to-length (selection type value) | |
| 533 (let ((value | |
| 534 (cond ((stringp value) | |
| 535 (length value)) | |
| 536 ((extentp value) | |
| 537 (extent-length value)) | |
| 538 ((and (consp value) | |
| 539 (markerp (car value)) | |
| 540 (markerp (cdr value))) | |
| 541 (or (eq (marker-buffer (car value)) | |
| 542 (marker-buffer (cdr value))) | |
| 543 (signal 'error | |
| 544 (list "markers must be in the same buffer" | |
| 545 (car value) (cdr value)))) | |
| 546 (abs (- (car value) (cdr value))))))) | |
| 547 (if value ; force it to be in 32-bit format. | |
| 548 (cons (ash value -16) (logand value 65535)) | |
| 549 nil))) | |
| 550 | |
| 551 (defun select-convert-to-targets (selection type value) | |
| 552 ;; return a vector of atoms, but remove duplicates first. | |
| 553 (let* ((all (cons 'TIMESTAMP (mapcar 'car selection-converter-alist))) | |
| 554 (rest all)) | |
| 555 (while rest | |
| 556 (cond ((memq (car rest) (cdr rest)) | |
| 557 (setcdr rest (delq (car rest) (cdr rest)))) | |
| 558 (t | |
| 559 (setq rest (cdr rest))))) | |
| 560 (apply 'vector all))) | |
| 561 | |
| 562 (defun select-convert-to-delete (selection type value) | |
| 563 (disown-selection-internal selection) | |
| 564 ;; A return value of nil means that we do not know how to do this conversion, | |
| 565 ;; and replies with an "error". A return value of NULL means that we have | |
| 566 ;; done the conversion (and any side-effects) but have no value to return. | |
| 567 'NULL) | |
| 568 | |
| 569 (defun select-convert-to-filename (selection type value) | |
| 570 (cond ((extentp value) | |
| 571 (buffer-file-name (or (extent-object value) | |
| 572 (error "selection is in a killed buffer")))) | |
| 573 ((and (consp value) | |
| 574 (markerp (car value)) | |
| 575 (markerp (cdr value))) | |
| 576 (buffer-file-name (or (marker-buffer (car value)) | |
| 577 (error "selection is in a killed buffer")))) | |
| 578 (t nil))) | |
| 579 | |
| 580 (defun select-convert-to-charpos (selection type value) | |
| 581 (let (a b tmp) | |
| 582 (cond ((cond ((extentp value) | |
| 583 (setq a (extent-start-position value) | |
| 584 b (extent-end-position value))) | |
| 585 ((and (consp value) | |
| 586 (markerp (car value)) | |
| 587 (markerp (cdr value))) | |
| 588 (setq a (car value) | |
| 589 b (cdr value)))) | |
| 590 (setq a (1- a) b (1- b)) ; zero-based | |
| 591 (if (< b a) (setq tmp a a b b tmp)) | |
| 592 (cons 'SPAN | |
| 593 (vector (cons (ash a -16) (logand a 65535)) | |
| 594 (cons (ash b -16) (logand b 65535)))))))) | |
| 595 | |
| 596 (defun select-convert-to-lineno (selection type value) | |
| 597 (let (a b buf tmp) | |
| 598 (cond ((cond ((extentp value) | |
| 599 (setq buf (extent-object value) | |
| 600 a (extent-start-position value) | |
| 601 b (extent-end-position value))) | |
| 602 ((and (consp value) | |
| 603 (markerp (car value)) | |
| 604 (markerp (cdr value))) | |
| 605 (setq a (marker-position (car value)) | |
| 606 b (marker-position (cdr value)) | |
| 607 buf (marker-buffer (car value))))) | |
| 608 (save-excursion | |
| 609 (set-buffer buf) | |
| 610 (save-restriction | |
| 611 (widen) | |
| 612 (goto-char a) | |
| 613 (beginning-of-line) | |
| 614 (setq a (1+ (count-lines 1 (point)))) | |
| 615 (goto-char b) | |
| 616 (beginning-of-line) | |
| 617 (setq b (1+ (count-lines 1 (point)))))) | |
| 618 (if (< b a) (setq tmp a a b b tmp)) | |
| 619 (cons 'SPAN | |
| 620 (vector (cons (ash a -16) (logand a 65535)) | |
| 621 (cons (ash b -16) (logand b 65535)))))))) | |
| 622 | |
| 623 (defun select-convert-to-colno (selection type value) | |
| 624 (let (a b buf tmp) | |
| 625 (cond ((cond ((extentp value) | |
| 626 (setq buf (extent-object value) | |
| 627 a (extent-start-position value) | |
| 628 b (extent-end-position value))) | |
| 629 ((and (consp value) | |
| 630 (markerp (car value)) | |
| 631 (markerp (cdr value))) | |
| 632 (setq a (car value) | |
| 633 b (cdr value) | |
| 634 buf (marker-buffer a)))) | |
| 635 (save-excursion | |
| 636 (set-buffer buf) | |
| 637 (goto-char a) | |
| 638 (setq a (current-column)) | |
| 639 (goto-char b) | |
| 640 (setq b (current-column))) | |
| 641 (if (< b a) (setq tmp a a b b tmp)) | |
| 642 (cons 'SPAN | |
| 643 (vector (cons (ash a -16) (logand a 65535)) | |
| 644 (cons (ash b -16) (logand b 65535)))))))) | |
| 645 | |
| 646 (defun select-convert-to-sourceloc (selection type value) | |
| 647 (let (a b buf file-name tmp) | |
| 648 (cond ((cond ((extentp value) | |
| 649 (setq buf (or (extent-object value) | |
| 650 (error "selection is in a killed buffer")) | |
| 651 a (extent-start-position value) | |
| 652 b (extent-end-position value) | |
| 653 file-name (buffer-file-name buf))) | |
| 654 ((and (consp value) | |
| 655 (markerp (car value)) | |
| 656 (markerp (cdr value))) | |
| 657 (setq a (marker-position (car value)) | |
| 658 b (marker-position (cdr value)) | |
| 659 buf (or (marker-buffer (car value)) | |
| 660 (error "selection is in a killed buffer")) | |
| 661 file-name (buffer-file-name buf)))) | |
| 662 (save-excursion | |
| 663 (set-buffer buf) | |
| 664 (save-restriction | |
| 665 (widen) | |
| 666 (goto-char a) | |
| 667 (beginning-of-line) | |
| 668 (setq a (1+ (count-lines 1 (point)))) | |
| 669 (goto-char b) | |
| 670 (beginning-of-line) | |
| 671 (setq b (1+ (count-lines 1 (point)))))) | |
| 672 (if (< b a) (setq tmp a a b b tmp)) | |
| 673 (format "%s:%d" file-name a))))) | |
| 674 | |
| 675 (defun select-convert-to-os (selection type size) | |
| 676 (symbol-name system-type)) | |
| 677 | |
| 678 (defun select-convert-to-host (selection type size) | |
| 679 (system-name)) | |
| 680 | |
| 681 (defun select-convert-to-user (selection type size) | |
| 682 (user-full-name)) | |
| 683 | |
| 684 (defun select-convert-to-class (selection type size) | |
| 442 | 685 (symbol-value 'x-emacs-application-class)) |
| 428 | 686 |
| 687 ;; We do not try to determine the name Emacs was invoked with, | |
| 688 ;; because it is not clean for a program's behavior to depend on that. | |
| 689 (defun select-convert-to-name (selection type size) | |
| 690 ;invocation-name | |
| 691 "xemacs") | |
| 692 | |
| 693 (defun select-convert-to-integer (selection type value) | |
| 694 (and (integerp value) | |
| 695 (cons (ash value -16) (logand value 65535)))) | |
| 696 | |
| 442 | 697 ;; Can convert from the following integer representations |
| 698 ;; | |
| 699 ;; integer | |
| 700 ;; (integer . integer) | |
| 701 ;; (integer integer) | |
| 702 ;; (list [integer|(integer . integer)]*) | |
| 703 ;; (vector [integer|(integer . integer)]*) | |
| 704 ;; | |
| 705 ;; Cons'd integers get cleaned up a little. | |
| 706 | |
| 707 (defun select-convert-from-integer (selection type value) | |
| 708 (cond ((integerp value) ; Integer | |
| 709 value) | |
| 444 | 710 |
| 442 | 711 ((and (consp value) ; (integer . integer) |
| 712 (integerp (car value)) | |
| 713 (integerp (cdr value))) | |
| 714 (if (eq (car value) 0) | |
| 715 (cdr value) | |
| 716 (if (and (eq (car value) -1) | |
| 717 (< (cdr value) 0)) | |
| 718 (cdr value) | |
| 719 value))) | |
| 444 | 720 |
| 442 | 721 ((and (listp value) ; (integer integer) |
| 722 (eq (length value) 2) | |
| 723 (integerp (car value)) | |
| 724 (integerp (cadr value))) | |
| 725 (if (eq (car value) 0) | |
| 726 (cadr value) | |
| 727 (if (and (eq (car value) -1) | |
| 728 (< (cdr value) 0)) | |
| 729 (- (cadr value)) | |
| 730 (cons (car value) (cadr value))))) | |
| 444 | 731 |
| 442 | 732 ((listp value) ; list |
| 733 (if (cdr value) | |
| 4021 | 734 (mapcar #'(lambda (x) |
| 735 (select-convert-from-integer selection type x)) | |
| 442 | 736 value) |
| 737 (select-convert-from-integer selection type (car value)))) | |
| 444 | 738 |
| 442 | 739 ((vectorp value) ; vector |
| 740 (if (eq (length value) 1) | |
| 741 (select-convert-from-integer selection type (aref value 0)) | |
| 4021 | 742 (mapvector #'(lambda (x) |
| 743 (select-convert-from-integer selection type x)) | |
| 744 value))) | |
| 444 | 745 |
| 442 | 746 (t nil) |
| 747 )) | |
| 748 | |
| 2624 | 749 (defun select-convert-from-ip-address (selection type value) |
| 750 (if (and (stringp value) | |
| 751 (= (length value) 4)) | |
| 752 (format "%d.%d.%d.%d" | |
| 753 (aref value 0) (aref value 1) (aref value 2) (aref value 3)))) | |
| 754 | |
| 428 | 755 (defun select-convert-to-atom (selection type value) |
| 756 (and (symbolp value) value)) | |
| 757 | |
| 2624 | 758 (defun select-convert-from-utf-8-text (selection type value) |
| 759 (decode-coding-string value 'utf-8)) | |
| 760 | |
| 761 (defun select-convert-from-utf-16-le-text (selection type value) | |
| 762 (decode-coding-string value 'utf-16-le)) | |
| 763 | |
| 764 ;; Image conversion. | |
| 765 (defun select-convert-from-image-data (image-type value) | |
| 766 "Take an image type specification--one of the image types this XEmacs | |
| 767 supports--and some data in that format, return a space, with a glyph | |
| 768 corresponding to that data as an end-glyph extent property of that space. " | |
| 769 (let* ((str (make-string 1 ?\ )) | |
| 770 (extent (make-extent 0 1 str)) | |
|
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771 (glyph (make-glyph (vector image-type :data value)))) |
| 2624 | 772 (when glyph |
| 773 (set-extent-property extent 'invisible t) | |
| 774 (set-extent-property extent 'start-open t) | |
| 775 (set-extent-property extent 'end-open t) | |
| 776 (set-extent-property extent 'duplicable t) | |
| 777 (set-extent-property extent 'atomic t) | |
| 778 (set-extent-end-glyph extent glyph) | |
| 779 str))) | |
| 780 | |
|
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781 (macrolet |
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782 ((create-image-functions (&rest formats) |
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783 (cons |
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784 'progn |
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785 (mapcar |
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786 #'(lambda (format) |
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787 `(if (featurep ',format) |
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788 (defalias (intern (concat "select-convert-from-image/" |
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789 ,(symbol-name format))) |
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790 #'(lambda (selection type value) |
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791 (select-convert-from-image-data ',format |
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792 value))))) formats)))) |
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793 (create-image-functions gif jpeg png tiff xpm xbm)) |
| 2624 | 794 |
| 442 | 795 ;;; CF_xxx conversions |
| 796 (defun select-convert-from-cf-text (selection type value) | |
| 2624 | 797 (if (find-coding-system 'mswindows-multibyte) |
| 798 (let ((value (decode-coding-string value 'mswindows-multibyte))) | |
| 799 (replace-in-string (if (string-match "\0" value) | |
| 800 (substring value 0 (match-beginning 0)) | |
| 801 value) | |
| 802 "\\(\r\n\\|\n\r\\)" "\n" t)))) | |
| 771 | 803 |
| 804 (defun select-convert-from-cf-unicodetext (selection type value) | |
| 2624 | 805 (if (find-coding-system 'mswindows-unicode) |
| 806 (let ((value (decode-coding-string value 'mswindows-unicode))) | |
| 807 (replace-in-string (if (string-match "\0" value) | |
| 808 (substring value 0 (match-beginning 0)) | |
| 809 value) | |
| 810 "\\(\r\n\\|\n\r\\)" "\n" t)))) | |
| 442 | 811 |
| 812 (defun select-convert-to-cf-text (selection type value) | |
| 2624 | 813 (if (find-coding-system 'mswindows-multibyte) |
| 814 (let ((text (select-convert-to-text selection type value))) | |
| 815 (encode-coding-string | |
| 816 (concat (replace-in-string text "\n" "\r\n" t) "\0") | |
| 817 'mswindows-multibyte)))) | |
| 771 | 818 |
| 819 (defun select-convert-to-cf-unicodetext (selection type value) | |
| 2624 | 820 (if (find-coding-system 'mswindows-unicode) |
| 821 (let ((text (select-convert-to-text selection type value))) | |
| 822 (encode-coding-string | |
| 823 (concat (replace-in-string text "\n" "\r\n" t) "\0") | |
| 824 'mswindows-unicode)))) | |
| 442 | 825 |
| 826 ;;; Appenders | |
| 827 (defun select-append-to-text (selection type value1 value2) | |
| 828 (let ((text1 (select-convert-to-text selection 'STRING value1)) | |
| 829 (text2 (select-convert-to-text selection 'STRING value2))) | |
| 830 (if (and text1 text2) | |
| 831 (concat text1 text2) | |
| 832 nil))) | |
| 833 | |
| 834 (defun select-append-to-string (selection type value1 value2) | |
| 835 (select-append-to-text selection type value1 value2)) | |
| 836 | |
| 837 (defun select-append-to-compound-text (selection type value1 value2) | |
| 838 (select-append-to-text selection type value1 value2)) | |
| 839 | |
| 840 (defun select-append-to-cf-text (selection type value1 value2) | |
| 841 (let ((text1 (select-convert-from-cf-text selection 'CF_TEXT value1)) | |
| 842 (text2 (select-convert-from-cf-text selection 'CF_TEXT value2))) | |
| 843 (if (and text1 text2) | |
| 844 (select-convert-to-cf-text selection type (concat text1 text2)) | |
| 845 nil))) | |
| 428 | 846 |
| 771 | 847 (defun select-append-to-cf-unicodetext (selection type value1 value2) |
| 848 (let ((text1 (select-convert-from-cf-unicodetext selection | |
| 849 'CF_UNICODETEXT value1)) | |
| 850 (text2 (select-convert-from-cf-unicodetext selection | |
| 851 'CF_UNICODETEXT value2))) | |
| 852 (if (and text1 text2) | |
| 853 (select-convert-to-cf-unicodetext selection type (concat text1 text2)) | |
| 854 nil))) | |
| 855 | |
| 442 | 856 (defun select-append-default (selection type value1 value2) |
| 857 ;; This appender gets used if the type is "nil" - i.e. default. | |
| 858 ;; It should probably have more cases implemented than it does - e.g. | |
| 859 ;; appending numbers to strings, etc... | |
| 860 (cond ((and (stringp value1) (stringp value2)) | |
| 861 (select-append-to-string selection 'STRING value1 value2)) | |
| 862 (t nil))) | |
| 863 | |
| 864 ;;; Buffer kill handlers | |
| 865 | |
| 866 (defun select-buffer-killed-default (selection type value buffer) | |
| 867 ;; This handler gets used if the type is "nil". | |
| 868 (cond ((extentp value) | |
| 869 (if (eq (extent-object value) buffer) | |
| 870 ; If this selection is on the clipboard, grab it quick | |
| 871 (when (eq selection 'CLIPBOARD) | |
| 872 (save-excursion | |
| 873 (set-buffer (extent-object value)) | |
| 874 (save-restriction | |
| 875 (widen) | |
| 876 (buffer-substring (extent-start-position value) | |
| 877 (extent-end-position value))))) | |
| 878 value)) | |
| 879 ((markerp value) | |
| 880 (unless (eq (marker-buffer value) buffer) | |
| 881 value)) | |
| 882 ((and (consp value) | |
| 883 (markerp (car value)) | |
| 884 (markerp (cdr value))) | |
| 885 (if (or (eq (marker-buffer (car value)) buffer) | |
| 886 (eq (marker-buffer (cdr value)) buffer)) | |
| 887 ; If this selection is on the clipboard, grab it quick | |
| 888 (when (eq selection 'CLIPBOARD) | |
| 889 (save-excursion | |
| 890 (set-buffer (marker-buffer (car value))) | |
| 891 (save-restriction | |
| 892 (widen) | |
| 893 (buffer-substring (car value) (cdr value))))) | |
| 894 value)) | |
| 895 (t value))) | |
| 896 | |
| 897 (defun select-buffer-killed-text (selection type value buffer) | |
| 898 (select-buffer-killed-default selection type value buffer)) | |
| 444 | 899 |
| 442 | 900 ;; Types listed in here can be selections of XEmacs |
| 901 (setq selection-converter-out-alist | |
| 2624 | 902 '((TIMESTAMP . select-convert-to-timestamp) |
| 903 (UTF8_STRING . select-convert-to-utf-8-text) | |
| 904 (TEXT . select-convert-to-text) | |
| 428 | 905 (STRING . select-convert-to-string) |
| 906 (COMPOUND_TEXT . select-convert-to-compound-text) | |
| 907 (TARGETS . select-convert-to-targets) | |
| 908 (LENGTH . select-convert-to-length) | |
| 909 (DELETE . select-convert-to-delete) | |
| 910 (FILE_NAME . select-convert-to-filename) | |
| 911 (CHARACTER_POSITION . select-convert-to-charpos) | |
| 912 (SOURCE_LOC . select-convert-to-sourceloc) | |
| 913 (LINE_NUMBER . select-convert-to-lineno) | |
| 914 (COLUMN_NUMBER . select-convert-to-colno) | |
| 915 (OWNER_OS . select-convert-to-os) | |
| 916 (HOST_NAME . select-convert-to-host) | |
| 917 (USER . select-convert-to-user) | |
| 918 (CLASS . select-convert-to-class) | |
| 919 (NAME . select-convert-to-name) | |
| 920 (ATOM . select-convert-to-atom) | |
| 921 (INTEGER . select-convert-to-integer) | |
| 442 | 922 (CF_TEXT . select-convert-to-cf-text) |
| 771 | 923 (CF_UNICODETEXT . select-convert-to-cf-unicodetext) |
| 442 | 924 )) |
| 925 | |
| 926 ;; Types listed here can be selections foreign to XEmacs | |
| 927 (setq selection-converter-in-alist | |
|
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928 `(; Specific types that get handled by generic converters |
| 442 | 929 (INTEGER . select-convert-from-integer) |
| 2624 | 930 (TIMESTAMP . select-convert-from-integer) |
| 931 (LENGTH . select-convert-from-integer) | |
| 932 (LIST_LENGTH . select-convert-from-integer) | |
| 933 (CLIENT_WINDOW . select-convert-from-integer) | |
| 934 (PROCESS . select-convert-from-integer) | |
| 935 (IP_ADDRESS . select-convert-from-ip-address) | |
| 936 ;; We go after UTF8_STRING in preference to STRING because Mozilla, | |
| 937 ;; at least, does bad things with non-Latin-1 Unicode characters in | |
| 938 ;; STRING. | |
| 939 (UTF8_STRING . select-convert-from-utf-8-text) | |
| 442 | 940 (CF_TEXT . select-convert-from-cf-text) |
| 771 | 941 (CF_UNICODETEXT . select-convert-from-cf-unicodetext) |
| 2624 | 942 (text/html . select-convert-from-utf-16-le-text) ; Mozilla |
| 943 (text/_moz_htmlcontext . select-convert-from-utf-16-le-text) | |
| 944 (text/_moz_htmlinfo . select-convert-from-utf-16-le-text) | |
|
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parents:
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945 ,@(loop |
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parents:
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changeset
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946 for format in '(gif jpeg png tiff xpm xbm) |
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parents:
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changeset
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947 nconc (if (featurep format) |
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Make my Lisp a little more sophisticated, select.el.
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parents:
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changeset
|
948 (list (cons (intern (format "image/%s" format)) |
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Make my Lisp a little more sophisticated, select.el.
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parents:
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diff
changeset
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949 (intern (format "select-convert-from-image/%s" |
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Make my Lisp a little more sophisticated, select.el.
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parents:
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changeset
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950 format)))))))) |
| 428 | 951 |
| 442 | 952 ;; Types listed here have special coercion functions that can munge |
| 953 ;; other types. This can also be used to add special features - e.g. | |
| 954 ;; being able to pass a region or a cons of markers to own-selection, | |
| 955 ;; but getting the *current* text in the region back when calling | |
| 956 ;; get-selection. | |
| 957 ;; | |
| 958 ;; Any function listed in here *will be called* whenever a value of | |
| 959 ;; its type is retrieved from the internal selection cache, or when | |
| 960 ;; no suitable values could be found in which case XEmacs looks for | |
| 961 ;; values with types listed in selection-coercible-types. | |
| 962 (setq selection-coercion-alist | |
| 963 '((TEXT . select-coerce-to-text) | |
| 964 (STRING . select-coerce-to-text) | |
| 965 (COMPOUND_TEXT . select-coerce-to-text) | |
| 771 | 966 (CF_TEXT . select-coerce-to-text) |
| 967 (CF_UNICODETEXT . select-coerce-to-text) | |
| 968 )) | |
| 442 | 969 |
| 970 ;; Types listed here can be appended by own-selection | |
| 971 (setq selection-appender-alist | |
| 972 '((nil . select-append-default) | |
| 973 (TEXT . select-append-to-text) | |
| 974 (STRING . select-append-to-string) | |
| 975 (COMPOUND_TEXT . select-append-to-compound-text) | |
| 976 (CF_TEXT . select-append-to-cf-text) | |
| 771 | 977 (CF_UNICODETEXT . select-append-to-cf-unicodetext) |
| 442 | 978 )) |
| 979 | |
| 980 ;; Types listed here have buffer-kill handlers | |
| 981 (setq selection-buffer-killed-alist | |
| 982 '((nil . select-buffer-killed-default) | |
| 983 (TEXT . select-buffer-killed-text) | |
| 984 (STRING . select-buffer-killed-text) | |
| 985 (COMPOUND_TEXT . select-buffer-killed-text) | |
| 771 | 986 (CF_TEXT . select-buffer-killed-text) |
| 987 (CF_UNICODETEXT . select-buffer-killed-text) | |
| 988 )) | |
| 442 | 989 |
| 990 ;; Lists of types that are coercible (can be converted to other types) | |
| 771 | 991 (setq selection-coercible-types '(TEXT STRING COMPOUND_TEXT CF_TEXT CF_UNICODETEXT)) |
| 442 | 992 |
| 428 | 993 ;;; select.el ends here |