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edfda783 | 1 | /* NeXT/Open/GNUstep / MacOSX Cocoa selection processing for emacs. |
73b0cd50 | 2 | Copyright (C) 1993-1994, 2005-2006, 2008-2011 |
32d235f8 | 3 | Free Software Foundation, Inc. |
edfda783 AR |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
32d235f8 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
edfda783 | 8 | it under the terms of the GNU General Public License as published by |
32d235f8 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
edfda783 AR |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
32d235f8 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
edfda783 | 19 | |
32d235f8 | 20 | /* |
edfda783 AR |
21 | Originally by Carl Edman |
22 | Updated by Christian Limpach (chris@nice.ch) | |
23 | OpenStep/Rhapsody port by Scott Bender (sbender@harmony-ds.com) | |
24 | MacOSX/Aqua port by Christophe de Dinechin (descubes@earthlink.net) | |
25 | GNUstep port and post-20 update by Adrian Robert (arobert@cogsci.ucsd.edu) | |
edfda783 AR |
26 | */ |
27 | ||
5a06864f AR |
28 | /* This should be the first include, as it may set up #defines affecting |
29 | interpretation of even the system includes. */ | |
08a494a3 | 30 | #include <config.h> |
b024548b | 31 | #include <setjmp.h> |
5a06864f | 32 | |
edfda783 AR |
33 | #include "lisp.h" |
34 | #include "nsterm.h" | |
35 | #include "termhooks.h" | |
921242c6 | 36 | #include "keyboard.h" |
edfda783 AR |
37 | |
38 | #define CUT_BUFFER_SUPPORT | |
39 | ||
64cb6c78 | 40 | Lisp_Object QCLIPBOARD, QSECONDARY, QTEXT, QFILE_NAME; |
edfda783 | 41 | |
00b3c7ac TT |
42 | static Lisp_Object Vselection_alist; |
43 | ||
edfda783 AR |
44 | static Lisp_Object Qforeign_selection; |
45 | ||
64cb6c78 J |
46 | /* NSGeneralPboard is pretty much analogous to X11 CLIPBOARD */ |
47 | NSString *NXPrimaryPboard; | |
edfda783 AR |
48 | NSString *NXSecondaryPboard; |
49 | ||
50 | ||
51 | ||
52 | /* ========================================================================== | |
53 | ||
54 | Internal utility functions | |
55 | ||
56 | ========================================================================== */ | |
57 | ||
58 | ||
59 | static NSString * | |
60 | symbol_to_nsstring (Lisp_Object sym) | |
61 | { | |
62 | CHECK_SYMBOL (sym); | |
64cb6c78 J |
63 | if (EQ (sym, QCLIPBOARD)) return NSGeneralPboard; |
64 | if (EQ (sym, QPRIMARY)) return NXPrimaryPboard; | |
edfda783 AR |
65 | if (EQ (sym, QSECONDARY)) return NXSecondaryPboard; |
66 | if (EQ (sym, QTEXT)) return NSStringPboardType; | |
86fa089e | 67 | return [NSString stringWithUTF8String: SDATA (XSYMBOL (sym)->xname)]; |
edfda783 AR |
68 | } |
69 | ||
70 | ||
71 | static Lisp_Object | |
72 | ns_string_to_symbol (NSString *t) | |
73 | { | |
74 | if ([t isEqualToString: NSGeneralPboard]) | |
64cb6c78 J |
75 | return QCLIPBOARD; |
76 | if ([t isEqualToString: NXPrimaryPboard]) | |
edfda783 AR |
77 | return QPRIMARY; |
78 | if ([t isEqualToString: NXSecondaryPboard]) | |
79 | return QSECONDARY; | |
80 | if ([t isEqualToString: NSStringPboardType]) | |
81 | return QTEXT; | |
82 | if ([t isEqualToString: NSFilenamesPboardType]) | |
83 | return QFILE_NAME; | |
84 | if ([t isEqualToString: NSTabularTextPboardType]) | |
85 | return QTEXT; | |
86 | return intern ([t UTF8String]); | |
87 | } | |
88 | ||
89 | ||
90 | static Lisp_Object | |
91 | clean_local_selection_data (Lisp_Object obj) | |
92 | { | |
93 | if (CONSP (obj) | |
94 | && INTEGERP (XCAR (obj)) | |
95 | && CONSP (XCDR (obj)) | |
96 | && INTEGERP (XCAR (XCDR (obj))) | |
97 | && NILP (XCDR (XCDR (obj)))) | |
98 | obj = Fcons (XCAR (obj), XCDR (obj)); | |
99 | ||
100 | if (CONSP (obj) | |
101 | && INTEGERP (XCAR (obj)) | |
102 | && INTEGERP (XCDR (obj))) | |
103 | { | |
104 | if (XINT (XCAR (obj)) == 0) | |
105 | return XCDR (obj); | |
106 | if (XINT (XCAR (obj)) == -1) | |
107 | return make_number (- XINT (XCDR (obj))); | |
108 | } | |
109 | ||
110 | if (VECTORP (obj)) | |
111 | { | |
112 | int i; | |
facfbbbd | 113 | int size = ASIZE (obj); |
edfda783 AR |
114 | Lisp_Object copy; |
115 | ||
116 | if (size == 1) | |
facfbbbd SM |
117 | return clean_local_selection_data (AREF (obj, 0)); |
118 | copy = Fmake_vector (make_number (size), Qnil); | |
edfda783 | 119 | for (i = 0; i < size; i++) |
86fa089e | 120 | ASET (copy, i, clean_local_selection_data (AREF (obj, i))); |
edfda783 AR |
121 | return copy; |
122 | } | |
123 | ||
124 | return obj; | |
125 | } | |
126 | ||
127 | ||
128 | static void | |
129 | ns_declare_pasteboard (id pb) | |
130 | { | |
131 | [pb declareTypes: ns_send_types owner: NSApp]; | |
132 | } | |
133 | ||
134 | ||
135 | static void | |
136 | ns_undeclare_pasteboard (id pb) | |
137 | { | |
138 | [pb declareTypes: [NSArray array] owner: nil]; | |
139 | } | |
140 | ||
141 | ||
142 | static void | |
143 | ns_string_to_pasteboard_internal (id pb, Lisp_Object str, NSString *gtype) | |
144 | { | |
145 | if (EQ (str, Qnil)) | |
146 | { | |
147 | [pb declareTypes: [NSArray array] owner: nil]; | |
148 | } | |
149 | else | |
150 | { | |
151 | char *utfStr; | |
152 | NSString *type, *nsStr; | |
153 | NSEnumerator *tenum; | |
154 | ||
155 | CHECK_STRING (str); | |
156 | ||
86fa089e | 157 | utfStr = SDATA (str); |
497a1925 JD |
158 | nsStr = [[NSString alloc] initWithBytesNoCopy: utfStr |
159 | length: SBYTES (str) | |
160 | encoding: NSUTF8StringEncoding | |
161 | freeWhenDone: NO]; | |
edfda783 AR |
162 | if (gtype == nil) |
163 | { | |
164 | [pb declareTypes: ns_send_types owner: nil]; | |
165 | tenum = [ns_send_types objectEnumerator]; | |
166 | while ( (type = [tenum nextObject]) ) | |
167 | [pb setString: nsStr forType: type]; | |
168 | } | |
169 | else | |
170 | { | |
171 | [pb setString: nsStr forType: gtype]; | |
172 | } | |
497a1925 | 173 | [nsStr release]; |
edfda783 AR |
174 | } |
175 | } | |
176 | ||
177 | ||
178 | static Lisp_Object | |
179 | ns_get_local_selection (Lisp_Object selection_name, | |
180 | Lisp_Object target_type) | |
181 | { | |
182 | Lisp_Object local_value; | |
183 | Lisp_Object handler_fn, value, type, check; | |
184 | int count; | |
185 | ||
186 | local_value = assq_no_quit (selection_name, Vselection_alist); | |
187 | ||
188 | if (NILP (local_value)) return Qnil; | |
189 | ||
190 | count = specpdl_ptr - specpdl; | |
191 | specbind (Qinhibit_quit, Qt); | |
192 | CHECK_SYMBOL (target_type); | |
193 | handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist)); | |
194 | if (!NILP (handler_fn)) | |
facfbbbd | 195 | value = call3 (handler_fn, selection_name, target_type, |
edfda783 AR |
196 | XCAR (XCDR (local_value))); |
197 | else | |
facfbbbd | 198 | value = Qnil; |
edfda783 AR |
199 | unbind_to (count, Qnil); |
200 | ||
facfbbbd | 201 | check = value; |
edfda783 AR |
202 | if (CONSP (value) && SYMBOLP (XCAR (value))) |
203 | { | |
204 | type = XCAR (value); | |
205 | check = XCDR (value); | |
206 | } | |
207 | ||
208 | if (STRINGP (check) || VECTORP (check) || SYMBOLP (check) | |
209 | || INTEGERP (check) || NILP (value)) | |
210 | return value; | |
211 | ||
212 | if (CONSP (check) | |
213 | && INTEGERP (XCAR (check)) | |
214 | && (INTEGERP (XCDR (check))|| | |
215 | (CONSP (XCDR (check)) | |
216 | && INTEGERP (XCAR (XCDR (check))) | |
217 | && NILP (XCDR (XCDR (check)))))) | |
218 | return value; | |
219 | ||
facfbbbd | 220 | // FIXME: Why `quit' rather than `error'? |
edfda783 AR |
221 | Fsignal (Qquit, Fcons (build_string ( |
222 | "invalid data returned by selection-conversion function"), | |
223 | Fcons (handler_fn, Fcons (value, Qnil)))); | |
facfbbbd SM |
224 | // FIXME: Beware, `quit' can return!! |
225 | return Qnil; | |
edfda783 AR |
226 | } |
227 | ||
228 | ||
229 | static Lisp_Object | |
230 | ns_get_foreign_selection (Lisp_Object symbol, Lisp_Object target) | |
231 | { | |
232 | id pb; | |
233 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (symbol)]; | |
234 | return ns_string_from_pasteboard (pb); | |
235 | } | |
236 | ||
237 | ||
238 | static void | |
239 | ns_handle_selection_request (struct input_event *event) | |
240 | { | |
facfbbbd SM |
241 | // FIXME: BIG UGLY HACK!!! |
242 | id pb = (id)*(EMACS_INT*)&(event->x); | |
243 | NSString *type = (NSString *)*(EMACS_INT*)&(event->y); | |
edfda783 AR |
244 | Lisp_Object selection_name, selection_data, target_symbol, data; |
245 | Lisp_Object successful_p, rest; | |
246 | ||
facfbbbd SM |
247 | selection_name = ns_string_to_symbol ([(NSPasteboard *)pb name]); |
248 | target_symbol = ns_string_to_symbol (type); | |
edfda783 | 249 | selection_data = assq_no_quit (selection_name, Vselection_alist); |
facfbbbd | 250 | successful_p = Qnil; |
edfda783 AR |
251 | |
252 | if (!NILP (selection_data)) | |
253 | { | |
254 | data = ns_get_local_selection (selection_name, target_symbol); | |
255 | if (!NILP (data)) | |
256 | { | |
257 | if (STRINGP (data)) | |
258 | ns_string_to_pasteboard_internal (pb, data, type); | |
facfbbbd | 259 | successful_p = Qt; |
edfda783 AR |
260 | } |
261 | } | |
262 | ||
263 | if (!EQ (Vns_sent_selection_hooks, Qunbound)) | |
264 | { | |
facfbbbd | 265 | for (rest = Vns_sent_selection_hooks; CONSP (rest); rest = Fcdr (rest)) |
edfda783 AR |
266 | call3 (Fcar (rest), selection_name, target_symbol, successful_p); |
267 | } | |
268 | } | |
269 | ||
270 | ||
271 | static void | |
272 | ns_handle_selection_clear (struct input_event *event) | |
273 | { | |
facfbbbd | 274 | id pb = (id)*(EMACS_INT*)&(event->x); |
edfda783 AR |
275 | Lisp_Object selection_name, selection_data, rest; |
276 | ||
facfbbbd SM |
277 | selection_name = ns_string_to_symbol ([(NSPasteboard *)pb name]); |
278 | selection_data = assq_no_quit (selection_name, Vselection_alist); | |
edfda783 AR |
279 | if (NILP (selection_data)) return; |
280 | ||
281 | if (EQ (selection_data, Fcar (Vselection_alist))) | |
282 | Vselection_alist = Fcdr (Vselection_alist); | |
283 | else | |
284 | { | |
285 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
286 | if (EQ (selection_data, Fcar (Fcdr (rest)))) | |
287 | Fsetcdr (rest, Fcdr (Fcdr (rest))); | |
288 | } | |
289 | ||
290 | if (!EQ (Vns_lost_selection_hooks, Qunbound)) | |
291 | { | |
facfbbbd | 292 | for (rest = Vns_lost_selection_hooks;CONSP (rest); rest = Fcdr (rest)) |
edfda783 AR |
293 | call1 (Fcar (rest), selection_name); |
294 | } | |
295 | } | |
296 | ||
297 | ||
298 | ||
299 | /* ========================================================================== | |
300 | ||
301 | Functions used externally | |
302 | ||
303 | ========================================================================== */ | |
304 | ||
305 | ||
306 | Lisp_Object | |
307 | ns_string_from_pasteboard (id pb) | |
308 | { | |
309 | NSString *type, *str; | |
310 | const char *utfStr; | |
497a1925 | 311 | int length; |
edfda783 AR |
312 | |
313 | type = [pb availableTypeFromArray: ns_return_types]; | |
314 | if (type == nil) | |
315 | { | |
316 | Fsignal (Qquit, | |
317 | Fcons (build_string ("empty or unsupported pasteboard type"), | |
318 | Qnil)); | |
319 | return Qnil; | |
320 | } | |
321 | ||
322 | /* get the string */ | |
323 | if (! (str = [pb stringForType: type])) | |
324 | { | |
325 | NSData *data = [pb dataForType: type]; | |
326 | if (data != nil) | |
327 | str = [[NSString alloc] initWithData: data | |
328 | encoding: NSUTF8StringEncoding]; | |
329 | if (str != nil) | |
330 | { | |
331 | [str autorelease]; | |
332 | } | |
333 | else | |
334 | { | |
335 | Fsignal (Qquit, | |
336 | Fcons (build_string ("pasteboard doesn't contain valid data"), | |
337 | Qnil)); | |
338 | return Qnil; | |
339 | } | |
340 | } | |
341 | ||
342 | /* assume UTF8 */ | |
343 | NS_DURING | |
344 | { | |
345 | /* EOL conversion: PENDING- is this too simple? */ | |
346 | NSMutableString *mstr = [[str mutableCopy] autorelease]; | |
347 | [mstr replaceOccurrencesOfString: @"\r\n" withString: @"\n" | |
348 | options: NSLiteralSearch range: NSMakeRange (0, [mstr length])]; | |
349 | [mstr replaceOccurrencesOfString: @"\r" withString: @"\n" | |
350 | options: NSLiteralSearch range: NSMakeRange (0, [mstr length])]; | |
351 | ||
352 | utfStr = [mstr UTF8String]; | |
497a1925 JD |
353 | length = [mstr lengthOfBytesUsingEncoding: NSUTF8StringEncoding]; |
354 | ||
355 | if (!utfStr) | |
356 | { | |
357 | utfStr = [mstr cString]; | |
358 | length = strlen (utfStr); | |
359 | } | |
edfda783 AR |
360 | } |
361 | NS_HANDLER | |
362 | { | |
363 | message1 ("ns_string_from_pasteboard: UTF8String failed\n"); | |
364 | utfStr = [str lossyCString]; | |
497a1925 | 365 | length = strlen (utfStr); |
edfda783 AR |
366 | } |
367 | NS_ENDHANDLER | |
368 | ||
497a1925 | 369 | return make_string (utfStr, length); |
edfda783 AR |
370 | } |
371 | ||
372 | ||
373 | void | |
374 | ns_string_to_pasteboard (id pb, Lisp_Object str) | |
375 | { | |
376 | ns_string_to_pasteboard_internal (pb, str, nil); | |
377 | } | |
378 | ||
379 | ||
380 | ||
381 | /* ========================================================================== | |
382 | ||
383 | Lisp Defuns | |
384 | ||
385 | ========================================================================== */ | |
386 | ||
387 | ||
28bf482a DR |
388 | DEFUN ("x-own-selection-internal", Fx_own_selection_internal, |
389 | Sx_own_selection_internal, 2, 2, 0, | |
a5c55c69 CY |
390 | doc: /* Assert a selection. |
391 | SELECTION-NAME is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
392 | VALUE is typically a string, or a cons of two markers, but may be | |
393 | anything that the functions on `selection-converter-alist' know about. */) | |
5842a27b | 394 | (Lisp_Object selection_name, Lisp_Object selection_value) |
edfda783 AR |
395 | { |
396 | id pb; | |
397 | Lisp_Object old_value, new_value; | |
398 | ||
399 | check_ns (); | |
400 | CHECK_SYMBOL (selection_name); | |
401 | if (NILP (selection_value)) | |
402 | error ("selection-value may not be nil."); | |
403 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (selection_name)]; | |
404 | ns_declare_pasteboard (pb); | |
facfbbbd | 405 | old_value = assq_no_quit (selection_name, Vselection_alist); |
edfda783 AR |
406 | new_value = Fcons (selection_name, Fcons (selection_value, Qnil)); |
407 | if (NILP (old_value)) | |
facfbbbd | 408 | Vselection_alist = Fcons (new_value, Vselection_alist); |
edfda783 AR |
409 | else |
410 | Fsetcdr (old_value, Fcdr (new_value)); | |
411 | /* XXX An evil hack, but a necessary one I fear XXX */ | |
412 | { | |
413 | struct input_event ev; | |
414 | ev.kind = SELECTION_REQUEST_EVENT; | |
415 | ev.modifiers = 0; | |
416 | ev.code = 0; | |
facfbbbd SM |
417 | *(EMACS_INT*)(&(ev.x)) = (EMACS_INT)pb; // FIXME: BIG UGLY HACK!! |
418 | *(EMACS_INT*)(&(ev.y)) = (EMACS_INT)NSStringPboardType; | |
edfda783 AR |
419 | ns_handle_selection_request (&ev); |
420 | } | |
421 | return selection_value; | |
422 | } | |
423 | ||
424 | ||
9e50ff0c DN |
425 | DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal, |
426 | Sx_disown_selection_internal, 1, 2, 0, | |
a5c55c69 | 427 | doc: /* If we own the selection SELECTION, disown it. */) |
5842a27b | 428 | (Lisp_Object selection_name, Lisp_Object time) |
edfda783 AR |
429 | { |
430 | id pb; | |
431 | check_ns (); | |
432 | CHECK_SYMBOL (selection_name); | |
433 | if (NILP (assq_no_quit (selection_name, Vselection_alist))) return Qnil; | |
434 | ||
435 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (selection_name)]; | |
436 | ns_undeclare_pasteboard (pb); | |
437 | return Qt; | |
438 | } | |
439 | ||
440 | ||
28bf482a | 441 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, |
a5c55c69 CY |
442 | 0, 1, 0, doc: /* Whether there is an owner for the given selection. |
443 | The arg should be the name of the selection in question, typically one of | |
444 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
445 | \(Those are literal upper-case symbol names.) | |
446 | For convenience, the symbol nil is the same as `PRIMARY', | |
447 | and t is the same as `SECONDARY'.) */) | |
5842a27b | 448 | (Lisp_Object selection) |
edfda783 AR |
449 | { |
450 | id pb; | |
451 | NSArray *types; | |
452 | ||
453 | check_ns (); | |
454 | CHECK_SYMBOL (selection); | |
455 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
456 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
457 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (selection)]; | |
458 | types =[pb types]; | |
459 | return ([types count] == 0) ? Qnil : Qt; | |
460 | } | |
461 | ||
462 | ||
28bf482a | 463 | DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p, |
edfda783 | 464 | 0, 1, 0, |
a5c55c69 CY |
465 | doc: /* Whether the current Emacs process owns the given selection. |
466 | The arg should be the name of the selection in question, typically one of | |
467 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
468 | \(Those are literal upper-case symbol names.) | |
469 | For convenience, the symbol nil is the same as `PRIMARY', | |
470 | and t is the same as `SECONDARY'.) */) | |
5842a27b | 471 | (Lisp_Object selection) |
edfda783 AR |
472 | { |
473 | check_ns (); | |
474 | CHECK_SYMBOL (selection); | |
475 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
476 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
477 | return (NILP (Fassq (selection, Vselection_alist))) ? Qnil : Qt; | |
478 | } | |
479 | ||
480 | ||
9e50ff0c DN |
481 | DEFUN ("x-get-selection-internal", Fx_get_selection_internal, |
482 | Sx_get_selection_internal, 2, 2, 0, | |
a5c55c69 CY |
483 | doc: /* Return text selected from some pasteboard. |
484 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
485 | \(Those are literal upper-case symbol names.) | |
486 | TYPE is the type of data desired, typically `STRING'. */) | |
5842a27b | 487 | (Lisp_Object selection_name, Lisp_Object target_type) |
edfda783 AR |
488 | { |
489 | Lisp_Object val; | |
490 | ||
491 | check_ns (); | |
492 | CHECK_SYMBOL (selection_name); | |
493 | CHECK_SYMBOL (target_type); | |
494 | val = ns_get_local_selection (selection_name, target_type); | |
495 | if (NILP (val)) | |
496 | val = ns_get_foreign_selection (selection_name, target_type); | |
497 | if (CONSP (val) && SYMBOLP (Fcar (val))) | |
498 | { | |
499 | val = Fcdr (val); | |
500 | if (CONSP (val) && NILP (Fcdr (val))) | |
501 | val = Fcar (val); | |
502 | } | |
503 | val = clean_local_selection_data (val); | |
504 | return val; | |
505 | } | |
506 | ||
507 | ||
508 | #ifdef CUT_BUFFER_SUPPORT | |
509 | DEFUN ("ns-get-cut-buffer-internal", Fns_get_cut_buffer_internal, | |
510 | Sns_get_cut_buffer_internal, 1, 1, 0, | |
a5c55c69 | 511 | doc: /* Returns the value of the named cut buffer. */) |
5842a27b | 512 | (Lisp_Object buffer) |
edfda783 AR |
513 | { |
514 | id pb; | |
515 | check_ns (); | |
516 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (buffer)]; | |
517 | return ns_string_from_pasteboard (pb); | |
518 | } | |
519 | ||
520 | ||
521 | DEFUN ("ns-rotate-cut-buffers-internal", Fns_rotate_cut_buffers_internal, | |
522 | Sns_rotate_cut_buffers_internal, 1, 1, 0, | |
a5c55c69 CY |
523 | doc: /* Rotate the values of the cut buffers by N steps. |
524 | Positive N means move values forward, negative means | |
525 | backward. CURRENTLY NOT IMPLEMENTED UNDER NEXTSTEP. */ ) | |
5842a27b | 526 | (Lisp_Object n) |
edfda783 AR |
527 | { |
528 | /* XXX This function is unimplemented under NeXTstep XXX */ | |
529 | Fsignal (Qquit, Fcons (build_string ( | |
530 | "Warning: ns-rotate-cut-buffers-internal not implemented\n"), Qnil)); | |
531 | return Qnil; | |
532 | } | |
533 | ||
534 | ||
535 | DEFUN ("ns-store-cut-buffer-internal", Fns_store_cut_buffer_internal, | |
536 | Sns_store_cut_buffer_internal, 2, 2, 0, | |
a5c55c69 | 537 | doc: /* Sets the value of the named cut buffer (typically CUT_BUFFER0). */) |
5842a27b | 538 | (Lisp_Object buffer, Lisp_Object string) |
edfda783 AR |
539 | { |
540 | id pb; | |
541 | check_ns (); | |
542 | pb =[NSPasteboard pasteboardWithName: symbol_to_nsstring (buffer)]; | |
543 | ns_string_to_pasteboard (pb, string); | |
544 | return Qnil; | |
545 | } | |
546 | #endif | |
547 | ||
548 | ||
549 | void | |
550 | nxatoms_of_nsselect (void) | |
551 | { | |
2c0ac867 J |
552 | NXPrimaryPboard = @"Selection"; |
553 | NXSecondaryPboard = @"Secondary"; | |
edfda783 AR |
554 | } |
555 | ||
556 | void | |
557 | syms_of_nsselect (void) | |
558 | { | |
088dcc3e DN |
559 | QCLIPBOARD = intern_c_string ("CLIPBOARD"); staticpro (&QCLIPBOARD); |
560 | QSECONDARY = intern_c_string ("SECONDARY"); staticpro (&QSECONDARY); | |
561 | QTEXT = intern_c_string ("TEXT"); staticpro (&QTEXT); | |
562 | QFILE_NAME = intern_c_string ("FILE_NAME"); staticpro (&QFILE_NAME); | |
edfda783 | 563 | |
9e50ff0c DN |
564 | defsubr (&Sx_disown_selection_internal); |
565 | defsubr (&Sx_get_selection_internal); | |
28bf482a DR |
566 | defsubr (&Sx_own_selection_internal); |
567 | defsubr (&Sx_selection_exists_p); | |
568 | defsubr (&Sx_selection_owner_p); | |
edfda783 AR |
569 | #ifdef CUT_BUFFER_SUPPORT |
570 | defsubr (&Sns_get_cut_buffer_internal); | |
571 | defsubr (&Sns_rotate_cut_buffers_internal); | |
572 | defsubr (&Sns_store_cut_buffer_internal); | |
573 | #endif | |
574 | ||
575 | Vselection_alist = Qnil; | |
576 | staticpro (&Vselection_alist); | |
577 | ||
fb9d0f5a | 578 | DEFVAR_LISP ("ns-sent-selection-hooks", Vns_sent_selection_hooks, |
edfda783 AR |
579 | "A list of functions to be called when Emacs answers a selection request.\n\ |
580 | The functions are called with four arguments:\n\ | |
581 | - the selection name (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
582 | - the selection-type which Emacs was asked to convert the\n\ | |
583 | selection into before sending (for example, `STRING' or `LENGTH');\n\ | |
584 | - a flag indicating success or failure for responding to the request.\n\ | |
585 | We might have failed (and declined the request) for any number of reasons,\n\ | |
586 | including being asked for a selection that we no longer own, or being asked\n\ | |
587 | to convert into a type that we don't know about or that is inappropriate.\n\ | |
588 | This hook doesn't let you change the behavior of Emacs's selection replies,\n\ | |
589 | it merely informs you that they have happened."); | |
590 | Vns_sent_selection_hooks = Qnil; | |
591 | ||
fb9d0f5a | 592 | DEFVAR_LISP ("selection-converter-alist", Vselection_converter_alist, |
edfda783 AR |
593 | "An alist associating X Windows selection-types with functions.\n\ |
594 | These functions are called to convert the selection, with three args:\n\ | |
595 | the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
596 | a desired type to which the selection should be converted;\n\ | |
597 | and the local selection value (whatever was given to `x-own-selection').\n\ | |
598 | \n\ | |
599 | The function should return the value to send to the X server\n\ | |
600 | \(typically a string). A return value of nil\n\ | |
601 | means that the conversion could not be done.\n\ | |
602 | A return value which is the symbol `NULL'\n\ | |
603 | means that a side-effect was executed,\n\ | |
604 | and there is no meaningful selection value."); | |
605 | Vselection_converter_alist = Qnil; | |
606 | ||
fb9d0f5a | 607 | DEFVAR_LISP ("ns-lost-selection-hooks", Vns_lost_selection_hooks, |
edfda783 AR |
608 | "A list of functions to be called when Emacs loses an X selection.\n\ |
609 | \(This happens when some other X client makes its own selection\n\ | |
610 | or when a Lisp program explicitly clears the selection.)\n\ | |
611 | The functions are called with one argument, the selection type\n\ | |
612 | \(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD')."); | |
613 | Vns_lost_selection_hooks = Qnil; | |
614 | ||
088dcc3e | 615 | Qforeign_selection = intern_c_string ("foreign-selection"); |
edfda783 | 616 | staticpro (&Qforeign_selection); |
edfda783 | 617 | } |
0ae1e5e5 | 618 |