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edfda783 | 1 | /* NeXT/Open/GNUstep / MacOSX Cocoa selection processing for emacs. |
ba318903 | 2 | Copyright (C) 1993-1994, 2005-2006, 2008-2014 Free Software |
ab422c4d | 3 | 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> |
5a06864f | 31 | |
edfda783 AR |
32 | #include "lisp.h" |
33 | #include "nsterm.h" | |
34 | #include "termhooks.h" | |
921242c6 | 35 | #include "keyboard.h" |
edfda783 | 36 | |
64cb6c78 | 37 | Lisp_Object QCLIPBOARD, QSECONDARY, QTEXT, QFILE_NAME; |
edfda783 | 38 | |
00b3c7ac TT |
39 | static Lisp_Object Vselection_alist; |
40 | ||
edfda783 AR |
41 | static Lisp_Object Qforeign_selection; |
42 | ||
64cb6c78 J |
43 | /* NSGeneralPboard is pretty much analogous to X11 CLIPBOARD */ |
44 | NSString *NXPrimaryPboard; | |
edfda783 AR |
45 | NSString *NXSecondaryPboard; |
46 | ||
47 | ||
48 | ||
49 | /* ========================================================================== | |
50 | ||
51 | Internal utility functions | |
52 | ||
53 | ========================================================================== */ | |
54 | ||
55 | ||
56 | static NSString * | |
57 | symbol_to_nsstring (Lisp_Object sym) | |
58 | { | |
59 | CHECK_SYMBOL (sym); | |
c803b2b7 | 60 | if (EQ (sym, QCLIPBOARD)) return NSGeneralPboard; |
64cb6c78 | 61 | if (EQ (sym, QPRIMARY)) return NXPrimaryPboard; |
edfda783 AR |
62 | if (EQ (sym, QSECONDARY)) return NXSecondaryPboard; |
63 | if (EQ (sym, QTEXT)) return NSStringPboardType; | |
c644523b | 64 | return [NSString stringWithUTF8String: SSDATA (SYMBOL_NAME (sym))]; |
edfda783 AR |
65 | } |
66 | ||
c803b2b7 JD |
67 | static NSPasteboard * |
68 | ns_symbol_to_pb (Lisp_Object symbol) | |
69 | { | |
70 | return [NSPasteboard pasteboardWithName: symbol_to_nsstring (symbol)]; | |
71 | } | |
edfda783 AR |
72 | |
73 | static Lisp_Object | |
74 | ns_string_to_symbol (NSString *t) | |
75 | { | |
76 | if ([t isEqualToString: NSGeneralPboard]) | |
64cb6c78 J |
77 | return QCLIPBOARD; |
78 | if ([t isEqualToString: NXPrimaryPboard]) | |
edfda783 AR |
79 | return QPRIMARY; |
80 | if ([t isEqualToString: NXSecondaryPboard]) | |
81 | return QSECONDARY; | |
82 | if ([t isEqualToString: NSStringPboardType]) | |
83 | return QTEXT; | |
84 | if ([t isEqualToString: NSFilenamesPboardType]) | |
85 | return QFILE_NAME; | |
86 | if ([t isEqualToString: NSTabularTextPboardType]) | |
87 | return QTEXT; | |
88 | return intern ([t UTF8String]); | |
89 | } | |
90 | ||
91 | ||
92 | static Lisp_Object | |
93 | clean_local_selection_data (Lisp_Object obj) | |
94 | { | |
95 | if (CONSP (obj) | |
96 | && INTEGERP (XCAR (obj)) | |
97 | && CONSP (XCDR (obj)) | |
98 | && INTEGERP (XCAR (XCDR (obj))) | |
99 | && NILP (XCDR (XCDR (obj)))) | |
100 | obj = Fcons (XCAR (obj), XCDR (obj)); | |
101 | ||
102 | if (CONSP (obj) | |
103 | && INTEGERP (XCAR (obj)) | |
104 | && INTEGERP (XCDR (obj))) | |
105 | { | |
106 | if (XINT (XCAR (obj)) == 0) | |
107 | return XCDR (obj); | |
108 | if (XINT (XCAR (obj)) == -1) | |
109 | return make_number (- XINT (XCDR (obj))); | |
110 | } | |
111 | ||
112 | if (VECTORP (obj)) | |
113 | { | |
17fdb222 PE |
114 | ptrdiff_t i; |
115 | ptrdiff_t size = ASIZE (obj); | |
edfda783 AR |
116 | Lisp_Object copy; |
117 | ||
118 | if (size == 1) | |
facfbbbd | 119 | return clean_local_selection_data (AREF (obj, 0)); |
25721f5b | 120 | copy = make_uninit_vector (size); |
edfda783 | 121 | for (i = 0; i < size; i++) |
86fa089e | 122 | ASET (copy, i, clean_local_selection_data (AREF (obj, i))); |
edfda783 AR |
123 | return copy; |
124 | } | |
125 | ||
126 | return obj; | |
127 | } | |
128 | ||
129 | ||
130 | static void | |
131 | ns_declare_pasteboard (id pb) | |
132 | { | |
133 | [pb declareTypes: ns_send_types owner: NSApp]; | |
134 | } | |
135 | ||
136 | ||
137 | static void | |
138 | ns_undeclare_pasteboard (id pb) | |
139 | { | |
140 | [pb declareTypes: [NSArray array] owner: nil]; | |
141 | } | |
142 | ||
143 | ||
144 | static void | |
145 | ns_string_to_pasteboard_internal (id pb, Lisp_Object str, NSString *gtype) | |
146 | { | |
147 | if (EQ (str, Qnil)) | |
148 | { | |
149 | [pb declareTypes: [NSArray array] owner: nil]; | |
150 | } | |
151 | else | |
152 | { | |
153 | char *utfStr; | |
154 | NSString *type, *nsStr; | |
155 | NSEnumerator *tenum; | |
156 | ||
157 | CHECK_STRING (str); | |
158 | ||
6045c4fd | 159 | utfStr = SSDATA (str); |
497a1925 JD |
160 | nsStr = [[NSString alloc] initWithBytesNoCopy: utfStr |
161 | length: SBYTES (str) | |
162 | encoding: NSUTF8StringEncoding | |
163 | freeWhenDone: NO]; | |
edfda783 AR |
164 | if (gtype == nil) |
165 | { | |
166 | [pb declareTypes: ns_send_types owner: nil]; | |
167 | tenum = [ns_send_types objectEnumerator]; | |
168 | while ( (type = [tenum nextObject]) ) | |
169 | [pb setString: nsStr forType: type]; | |
170 | } | |
171 | else | |
172 | { | |
173 | [pb setString: nsStr forType: gtype]; | |
174 | } | |
497a1925 | 175 | [nsStr release]; |
edfda783 AR |
176 | } |
177 | } | |
178 | ||
179 | ||
699c10bd | 180 | Lisp_Object |
edfda783 AR |
181 | ns_get_local_selection (Lisp_Object selection_name, |
182 | Lisp_Object target_type) | |
183 | { | |
184 | Lisp_Object local_value; | |
c0342369 | 185 | Lisp_Object handler_fn, value, check; |
edfda783 AR |
186 | |
187 | local_value = assq_no_quit (selection_name, Vselection_alist); | |
188 | ||
189 | if (NILP (local_value)) return Qnil; | |
190 | ||
9f62b5dd | 191 | dynwind_begin (); |
edfda783 AR |
192 | specbind (Qinhibit_quit, Qt); |
193 | CHECK_SYMBOL (target_type); | |
194 | handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist)); | |
195 | if (!NILP (handler_fn)) | |
facfbbbd | 196 | value = call3 (handler_fn, selection_name, target_type, |
edfda783 AR |
197 | XCAR (XCDR (local_value))); |
198 | else | |
facfbbbd | 199 | value = Qnil; |
9f62b5dd | 200 | dynwind_end (); |
edfda783 | 201 | |
facfbbbd | 202 | check = value; |
edfda783 AR |
203 | if (CONSP (value) && SYMBOLP (XCAR (value))) |
204 | { | |
edfda783 AR |
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'? |
6c6f1994 PE |
221 | Fsignal (Qquit, |
222 | list3 (build_string ("invalid data returned by" | |
223 | " selection-conversion function"), | |
224 | handler_fn, value)); | |
facfbbbd SM |
225 | // FIXME: Beware, `quit' can return!! |
226 | return Qnil; | |
edfda783 AR |
227 | } |
228 | ||
229 | ||
230 | static Lisp_Object | |
231 | ns_get_foreign_selection (Lisp_Object symbol, Lisp_Object target) | |
232 | { | |
233 | id pb; | |
c803b2b7 JD |
234 | pb = ns_symbol_to_pb (symbol); |
235 | return pb != nil ? ns_string_from_pasteboard (pb) : Qnil; | |
edfda783 AR |
236 | } |
237 | ||
238 | ||
edfda783 AR |
239 | |
240 | ||
241 | /* ========================================================================== | |
242 | ||
243 | Functions used externally | |
244 | ||
245 | ========================================================================== */ | |
246 | ||
247 | ||
248 | Lisp_Object | |
249 | ns_string_from_pasteboard (id pb) | |
250 | { | |
251 | NSString *type, *str; | |
252 | const char *utfStr; | |
497a1925 | 253 | int length; |
edfda783 AR |
254 | |
255 | type = [pb availableTypeFromArray: ns_return_types]; | |
256 | if (type == nil) | |
257 | { | |
2318fcca | 258 | return Qnil; |
edfda783 AR |
259 | } |
260 | ||
261 | /* get the string */ | |
262 | if (! (str = [pb stringForType: type])) | |
263 | { | |
264 | NSData *data = [pb dataForType: type]; | |
265 | if (data != nil) | |
266 | str = [[NSString alloc] initWithData: data | |
267 | encoding: NSUTF8StringEncoding]; | |
268 | if (str != nil) | |
269 | { | |
270 | [str autorelease]; | |
271 | } | |
272 | else | |
273 | { | |
edfda783 AR |
274 | return Qnil; |
275 | } | |
276 | } | |
277 | ||
278 | /* assume UTF8 */ | |
279 | NS_DURING | |
280 | { | |
281 | /* EOL conversion: PENDING- is this too simple? */ | |
282 | NSMutableString *mstr = [[str mutableCopy] autorelease]; | |
283 | [mstr replaceOccurrencesOfString: @"\r\n" withString: @"\n" | |
284 | options: NSLiteralSearch range: NSMakeRange (0, [mstr length])]; | |
285 | [mstr replaceOccurrencesOfString: @"\r" withString: @"\n" | |
286 | options: NSLiteralSearch range: NSMakeRange (0, [mstr length])]; | |
287 | ||
288 | utfStr = [mstr UTF8String]; | |
497a1925 JD |
289 | length = [mstr lengthOfBytesUsingEncoding: NSUTF8StringEncoding]; |
290 | ||
335f5ae4 | 291 | #if ! defined (NS_IMPL_COCOA) |
17fdb222 | 292 | if (!utfStr) |
497a1925 JD |
293 | { |
294 | utfStr = [mstr cString]; | |
295 | length = strlen (utfStr); | |
296 | } | |
4393663b | 297 | #endif |
edfda783 AR |
298 | } |
299 | NS_HANDLER | |
300 | { | |
301 | message1 ("ns_string_from_pasteboard: UTF8String failed\n"); | |
335f5ae4 | 302 | #if defined (NS_IMPL_COCOA) |
4393663b JD |
303 | utfStr = "Conversion failed"; |
304 | #else | |
edfda783 | 305 | utfStr = [str lossyCString]; |
4393663b | 306 | #endif |
497a1925 | 307 | length = strlen (utfStr); |
edfda783 AR |
308 | } |
309 | NS_ENDHANDLER | |
310 | ||
497a1925 | 311 | return make_string (utfStr, length); |
edfda783 AR |
312 | } |
313 | ||
314 | ||
315 | void | |
316 | ns_string_to_pasteboard (id pb, Lisp_Object str) | |
317 | { | |
318 | ns_string_to_pasteboard_internal (pb, str, nil); | |
319 | } | |
320 | ||
321 | ||
322 | ||
323 | /* ========================================================================== | |
324 | ||
325 | Lisp Defuns | |
326 | ||
327 | ========================================================================== */ | |
328 | ||
329 | ||
28bf482a | 330 | DEFUN ("x-own-selection-internal", Fx_own_selection_internal, |
bd7da63e GM |
331 | Sx_own_selection_internal, 2, 3, 0, |
332 | doc: /* Assert an X selection of type SELECTION and value VALUE. | |
333 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
334 | \(Those are literal upper-case symbol names, since that's what X expects.) | |
a5c55c69 | 335 | VALUE is typically a string, or a cons of two markers, but may be |
bd7da63e GM |
336 | anything that the functions on `selection-converter-alist' know about. |
337 | ||
338 | FRAME should be a frame that should own the selection. If omitted or | |
339 | nil, it defaults to the selected frame. | |
340 | ||
341 | On Nextstep, FRAME is unused. */) | |
342 | (Lisp_Object selection, Lisp_Object value, Lisp_Object frame) | |
edfda783 AR |
343 | { |
344 | id pb; | |
345 | Lisp_Object old_value, new_value; | |
c803b2b7 JD |
346 | NSString *type; |
347 | Lisp_Object successful_p = Qnil, rest; | |
348 | Lisp_Object target_symbol, data; | |
349 | ||
7452b7bd | 350 | check_window_system (NULL); |
bd7da63e GM |
351 | CHECK_SYMBOL (selection); |
352 | if (NILP (value)) | |
e41fe0d3 | 353 | error ("Selection value may not be nil"); |
bd7da63e | 354 | pb = ns_symbol_to_pb (selection); |
c803b2b7 JD |
355 | if (pb == nil) return Qnil; |
356 | ||
edfda783 | 357 | ns_declare_pasteboard (pb); |
bd7da63e | 358 | old_value = assq_no_quit (selection, Vselection_alist); |
6c6f1994 | 359 | new_value = list2 (selection, value); |
c803b2b7 | 360 | |
edfda783 | 361 | if (NILP (old_value)) |
facfbbbd | 362 | Vselection_alist = Fcons (new_value, Vselection_alist); |
edfda783 AR |
363 | else |
364 | Fsetcdr (old_value, Fcdr (new_value)); | |
c803b2b7 JD |
365 | |
366 | /* We only support copy of text. */ | |
367 | type = NSStringPboardType; | |
368 | target_symbol = ns_string_to_symbol (type); | |
bd7da63e | 369 | data = ns_get_local_selection (selection, target_symbol); |
c803b2b7 JD |
370 | if (!NILP (data)) |
371 | { | |
372 | if (STRINGP (data)) | |
373 | ns_string_to_pasteboard_internal (pb, data, type); | |
374 | successful_p = Qt; | |
375 | } | |
376 | ||
377 | if (!EQ (Vns_sent_selection_hooks, Qunbound)) | |
378 | { | |
379 | for (rest = Vns_sent_selection_hooks; CONSP (rest); rest = Fcdr (rest)) | |
bd7da63e | 380 | call3 (Fcar (rest), selection, target_symbol, successful_p); |
c803b2b7 | 381 | } |
6045c4fd | 382 | |
bd7da63e | 383 | return value; |
edfda783 AR |
384 | } |
385 | ||
386 | ||
9e50ff0c | 387 | DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal, |
bd7da63e GM |
388 | Sx_disown_selection_internal, 1, 3, 0, |
389 | doc: /* If we own the selection SELECTION, disown it. | |
390 | Disowning it means there is no such selection. | |
391 | ||
392 | Sets the last-change time for the selection to TIME-OBJECT (by default | |
393 | the time of the last event). | |
394 | ||
395 | TERMINAL should be a terminal object or a frame specifying the X | |
396 | server to query. If omitted or nil, that stands for the selected | |
397 | frame's display, or the first available X display. | |
398 | ||
399 | On Nextstep, the TIME-OBJECT and TERMINAL arguments are unused. | |
400 | On MS-DOS, all this does is return non-nil if we own the selection. */) | |
401 | (Lisp_Object selection, Lisp_Object time_object, Lisp_Object terminal) | |
edfda783 AR |
402 | { |
403 | id pb; | |
7452b7bd | 404 | check_window_system (NULL); |
bd7da63e GM |
405 | CHECK_SYMBOL (selection); |
406 | if (NILP (assq_no_quit (selection, Vselection_alist))) return Qnil; | |
edfda783 | 407 | |
bd7da63e | 408 | pb = ns_symbol_to_pb (selection); |
c803b2b7 | 409 | if (pb != nil) ns_undeclare_pasteboard (pb); |
edfda783 AR |
410 | return Qt; |
411 | } | |
412 | ||
413 | ||
28bf482a | 414 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, |
bd7da63e GM |
415 | 0, 2, 0, doc: /* Whether there is an owner for the given X selection. |
416 | SELECTION should be the name of the selection in question, typically | |
417 | one of the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. (X expects | |
418 | these literal upper-case names.) The symbol nil is the same as | |
419 | `PRIMARY', and t is the same as `SECONDARY'. | |
420 | ||
421 | TERMINAL should be a terminal object or a frame specifying the X | |
422 | server to query. If omitted or nil, that stands for the selected | |
423 | frame's display, or the first available X display. | |
424 | ||
425 | On Nextstep, TERMINAL is unused. */) | |
426 | (Lisp_Object selection, Lisp_Object terminal) | |
edfda783 AR |
427 | { |
428 | id pb; | |
429 | NSArray *types; | |
430 | ||
879e3628 JD |
431 | if (!window_system_available (NULL)) |
432 | return Qnil; | |
433 | ||
edfda783 AR |
434 | CHECK_SYMBOL (selection); |
435 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
436 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
c803b2b7 JD |
437 | pb = ns_symbol_to_pb (selection); |
438 | if (pb == nil) return Qnil; | |
6045c4fd | 439 | |
c803b2b7 | 440 | types = [pb types]; |
edfda783 AR |
441 | return ([types count] == 0) ? Qnil : Qt; |
442 | } | |
443 | ||
444 | ||
28bf482a | 445 | DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p, |
bd7da63e GM |
446 | 0, 2, 0, |
447 | doc: /* Whether the current Emacs process owns the given X Selection. | |
a5c55c69 CY |
448 | The arg should be the name of the selection in question, typically one of |
449 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
bd7da63e | 450 | \(Those are literal upper-case symbol names, since that's what X expects.) |
a5c55c69 | 451 | For convenience, the symbol nil is the same as `PRIMARY', |
bd7da63e GM |
452 | and t is the same as `SECONDARY'. |
453 | ||
454 | TERMINAL should be a terminal object or a frame specifying the X | |
455 | server to query. If omitted or nil, that stands for the selected | |
456 | frame's display, or the first available X display. | |
457 | ||
458 | On Nextstep, TERMINAL is unused. */) | |
459 | (Lisp_Object selection, Lisp_Object terminal) | |
edfda783 | 460 | { |
7452b7bd | 461 | check_window_system (NULL); |
edfda783 AR |
462 | CHECK_SYMBOL (selection); |
463 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
464 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
465 | return (NILP (Fassq (selection, Vselection_alist))) ? Qnil : Qt; | |
466 | } | |
467 | ||
468 | ||
9e50ff0c | 469 | DEFUN ("x-get-selection-internal", Fx_get_selection_internal, |
bd7da63e GM |
470 | Sx_get_selection_internal, 2, 4, 0, |
471 | doc: /* Return text selected from some X window. | |
472 | SELECTION-SYMBOL is typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
473 | \(Those are literal upper-case symbol names, since that's what X expects.) | |
474 | TARGET-TYPE is the type of data desired, typically `STRING'. | |
475 | ||
476 | TIME-STAMP is the time to use in the XConvertSelection call for foreign | |
477 | selections. If omitted, defaults to the time for the last event. | |
478 | ||
479 | TERMINAL should be a terminal object or a frame specifying the X | |
480 | server to query. If omitted or nil, that stands for the selected | |
481 | frame's display, or the first available X display. | |
482 | ||
483 | On Nextstep, TIME-STAMP and TERMINAL are unused. */) | |
484 | (Lisp_Object selection_name, Lisp_Object target_type, | |
485 | Lisp_Object time_stamp, Lisp_Object terminal) | |
edfda783 AR |
486 | { |
487 | Lisp_Object val; | |
488 | ||
7452b7bd | 489 | check_window_system (NULL); |
edfda783 AR |
490 | CHECK_SYMBOL (selection_name); |
491 | CHECK_SYMBOL (target_type); | |
492 | val = ns_get_local_selection (selection_name, target_type); | |
493 | if (NILP (val)) | |
494 | val = ns_get_foreign_selection (selection_name, target_type); | |
495 | if (CONSP (val) && SYMBOLP (Fcar (val))) | |
496 | { | |
497 | val = Fcdr (val); | |
498 | if (CONSP (val) && NILP (Fcdr (val))) | |
499 | val = Fcar (val); | |
500 | } | |
501 | val = clean_local_selection_data (val); | |
502 | return val; | |
503 | } | |
504 | ||
505 | ||
c803b2b7 JD |
506 | DEFUN ("ns-get-selection-internal", Fns_get_selection_internal, |
507 | Sns_get_selection_internal, 1, 1, 0, | |
508 | doc: /* Returns the value of SELECTION as a string. | |
509 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. */) | |
510 | (Lisp_Object selection) | |
edfda783 AR |
511 | { |
512 | id pb; | |
7452b7bd | 513 | check_window_system (NULL); |
c803b2b7 JD |
514 | pb = ns_symbol_to_pb (selection); |
515 | return pb != nil ? ns_string_from_pasteboard (pb) : Qnil; | |
edfda783 AR |
516 | } |
517 | ||
518 | ||
c803b2b7 JD |
519 | DEFUN ("ns-store-selection-internal", Fns_store_selection_internal, |
520 | Sns_store_selection_internal, 2, 2, 0, | |
521 | doc: /* Sets the string value of SELECTION. | |
522 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. */) | |
523 | (Lisp_Object selection, Lisp_Object string) | |
edfda783 AR |
524 | { |
525 | id pb; | |
7452b7bd | 526 | check_window_system (NULL); |
c803b2b7 JD |
527 | pb = ns_symbol_to_pb (selection); |
528 | if (pb != nil) ns_string_to_pasteboard (pb, string); | |
edfda783 AR |
529 | return Qnil; |
530 | } | |
edfda783 AR |
531 | |
532 | ||
533 | void | |
534 | nxatoms_of_nsselect (void) | |
535 | { | |
2c0ac867 J |
536 | NXPrimaryPboard = @"Selection"; |
537 | NXSecondaryPboard = @"Secondary"; | |
edfda783 AR |
538 | } |
539 | ||
540 | void | |
541 | syms_of_nsselect (void) | |
542 | { | |
fe6aa7a1 BT |
543 | #include "nsselect.x" |
544 | ||
088dcc3e DN |
545 | QCLIPBOARD = intern_c_string ("CLIPBOARD"); staticpro (&QCLIPBOARD); |
546 | QSECONDARY = intern_c_string ("SECONDARY"); staticpro (&QSECONDARY); | |
547 | QTEXT = intern_c_string ("TEXT"); staticpro (&QTEXT); | |
548 | QFILE_NAME = intern_c_string ("FILE_NAME"); staticpro (&QFILE_NAME); | |
edfda783 | 549 | |
edfda783 AR |
550 | Vselection_alist = Qnil; |
551 | staticpro (&Vselection_alist); | |
552 | ||
fb9d0f5a | 553 | DEFVAR_LISP ("ns-sent-selection-hooks", Vns_sent_selection_hooks, |
edfda783 AR |
554 | "A list of functions to be called when Emacs answers a selection request.\n\ |
555 | The functions are called with four arguments:\n\ | |
556 | - the selection name (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
557 | - the selection-type which Emacs was asked to convert the\n\ | |
558 | selection into before sending (for example, `STRING' or `LENGTH');\n\ | |
559 | - a flag indicating success or failure for responding to the request.\n\ | |
560 | We might have failed (and declined the request) for any number of reasons,\n\ | |
561 | including being asked for a selection that we no longer own, or being asked\n\ | |
562 | to convert into a type that we don't know about or that is inappropriate.\n\ | |
563 | This hook doesn't let you change the behavior of Emacs's selection replies,\n\ | |
564 | it merely informs you that they have happened."); | |
565 | Vns_sent_selection_hooks = Qnil; | |
566 | ||
fb9d0f5a | 567 | DEFVAR_LISP ("selection-converter-alist", Vselection_converter_alist, |
edfda783 AR |
568 | "An alist associating X Windows selection-types with functions.\n\ |
569 | These functions are called to convert the selection, with three args:\n\ | |
570 | the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
571 | a desired type to which the selection should be converted;\n\ | |
572 | and the local selection value (whatever was given to `x-own-selection').\n\ | |
573 | \n\ | |
574 | The function should return the value to send to the X server\n\ | |
575 | \(typically a string). A return value of nil\n\ | |
576 | means that the conversion could not be done.\n\ | |
577 | A return value which is the symbol `NULL'\n\ | |
578 | means that a side-effect was executed,\n\ | |
579 | and there is no meaningful selection value."); | |
580 | Vselection_converter_alist = Qnil; | |
581 | ||
fb9d0f5a | 582 | DEFVAR_LISP ("ns-lost-selection-hooks", Vns_lost_selection_hooks, |
edfda783 AR |
583 | "A list of functions to be called when Emacs loses an X selection.\n\ |
584 | \(This happens when some other X client makes its own selection\n\ | |
585 | or when a Lisp program explicitly clears the selection.)\n\ | |
586 | The functions are called with one argument, the selection type\n\ | |
587 | \(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD')."); | |
588 | Vns_lost_selection_hooks = Qnil; | |
589 | ||
088dcc3e | 590 | Qforeign_selection = intern_c_string ("foreign-selection"); |
edfda783 | 591 | staticpro (&Qforeign_selection); |
edfda783 | 592 | } |