Commit | Line | Data |
---|---|---|
944cda79 YM |
1 | /* Selection processing for Emacs on Mac OS. |
2 | Copyright (C) 2005 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
18 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 | Boston, MA 02110-1301, USA. */ | |
944cda79 YM |
20 | |
21 | #include <config.h> | |
22 | ||
23 | #include "lisp.h" | |
24 | #include "macterm.h" | |
25 | #include "blockinput.h" | |
28714a27 | 26 | #include "keymap.h" |
944cda79 YM |
27 | |
28 | #if !TARGET_API_MAC_CARBON | |
29 | #include <Endian.h> | |
30 | typedef int ScrapRef; | |
31 | typedef ResType ScrapFlavorType; | |
32 | #endif /* !TARGET_API_MAC_CARBON */ | |
33 | ||
34 | static OSErr get_scrap_from_symbol P_ ((Lisp_Object, int, ScrapRef *)); | |
35 | static ScrapFlavorType get_flavor_type_from_symbol P_ ((Lisp_Object)); | |
36 | static int valid_scrap_target_type_p P_ ((Lisp_Object)); | |
37 | static OSErr clear_scrap P_ ((ScrapRef *)); | |
38 | static OSErr put_scrap_string P_ ((ScrapRef, Lisp_Object, Lisp_Object)); | |
39 | static OSErr put_scrap_private_timestamp P_ ((ScrapRef, unsigned long)); | |
40 | static ScrapFlavorType scrap_has_target_type P_ ((ScrapRef, Lisp_Object)); | |
41 | static Lisp_Object get_scrap_string P_ ((ScrapRef, Lisp_Object)); | |
42 | static OSErr get_scrap_private_timestamp P_ ((ScrapRef, unsigned long *)); | |
43 | static Lisp_Object get_scrap_target_type_list P_ ((ScrapRef)); | |
44 | static void x_own_selection P_ ((Lisp_Object, Lisp_Object)); | |
45 | static Lisp_Object x_get_local_selection P_ ((Lisp_Object, Lisp_Object, int)); | |
46 | static Lisp_Object x_get_foreign_selection P_ ((Lisp_Object, | |
47 | Lisp_Object, | |
48 | Lisp_Object)); | |
49 | EXFUN (Fx_selection_owner_p, 1); | |
50 | #ifdef MAC_OSX | |
51 | static OSStatus mac_handle_service_event P_ ((EventHandlerCallRef, | |
52 | EventRef, void *)); | |
53 | void init_service_handler P_ ((void)); | |
54 | #endif | |
55 | ||
56 | Lisp_Object QPRIMARY, QSECONDARY, QTIMESTAMP, QTARGETS; | |
57 | ||
58 | static Lisp_Object Vx_lost_selection_functions; | |
59 | /* Coding system for communicating with other programs via scrap. */ | |
60 | static Lisp_Object Vselection_coding_system; | |
61 | ||
62 | /* Coding system for the next communicating with other programs. */ | |
63 | static Lisp_Object Vnext_selection_coding_system; | |
64 | ||
65 | static Lisp_Object Qforeign_selection; | |
66 | ||
67 | /* The timestamp of the last input event Emacs received from the | |
68 | window server. */ | |
69 | /* Defined in keyboard.c. */ | |
70 | extern unsigned long last_event_timestamp; | |
71 | ||
72 | /* This is an association list whose elements are of the form | |
73 | ( SELECTION-NAME SELECTION-VALUE SELECTION-TIMESTAMP FRAME) | |
74 | SELECTION-NAME is a lisp symbol. | |
75 | SELECTION-VALUE is the value that emacs owns for that selection. | |
76 | It may be any kind of Lisp object. | |
77 | SELECTION-TIMESTAMP is the time at which emacs began owning this selection, | |
78 | as a cons of two 16-bit numbers (making a 32 bit time.) | |
79 | FRAME is the frame for which we made the selection. | |
80 | If there is an entry in this alist, and the data for the flavor | |
81 | type SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP in the corresponding scrap | |
82 | (if exists) coincides with SELECTION-TIMESTAMP, then it can be | |
83 | assumed that Emacs owns that selection. | |
84 | The only (eq) parts of this list that are visible from Lisp are the | |
85 | selection-values. */ | |
86 | static Lisp_Object Vselection_alist; | |
87 | ||
88 | #define SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP 'Etsp' | |
89 | ||
90 | /* This is an alist whose CARs are selection-types and whose CDRs are | |
91 | the names of Lisp functions to call to convert the given Emacs | |
92 | selection value to a string representing the given selection type. | |
93 | This is for Lisp-level extension of the emacs selection | |
94 | handling. */ | |
95 | static Lisp_Object Vselection_converter_alist; | |
96 | ||
97 | /* A selection name (represented as a Lisp symbol) can be associated | |
98 | with a named scrap via `mac-scrap-name' property. Likewise for a | |
99 | selection type with a scrap flavor type via `mac-ostype'. */ | |
100 | static Lisp_Object Qmac_scrap_name, Qmac_ostype; | |
101 | ||
956c0f10 | 102 | #ifdef MAC_OSX |
944cda79 YM |
103 | /* Selection name for communication via Services menu. */ |
104 | static Lisp_Object Vmac_services_selection; | |
956c0f10 | 105 | #endif |
944cda79 YM |
106 | \f |
107 | /* Get a reference to the scrap corresponding to the symbol SYM. The | |
108 | reference is set to *SCRAP, and it becomes NULL if there's no | |
109 | corresponding scrap. Clear the scrap if CLEAR_P is non-zero. */ | |
110 | ||
111 | static OSErr | |
112 | get_scrap_from_symbol (sym, clear_p, scrap) | |
113 | Lisp_Object sym; | |
114 | int clear_p; | |
115 | ScrapRef *scrap; | |
116 | { | |
117 | OSErr err = noErr; | |
118 | Lisp_Object str = Fget (sym, Qmac_scrap_name); | |
119 | ||
120 | if (!STRINGP (str)) | |
121 | *scrap = NULL; | |
122 | else | |
123 | { | |
124 | #if TARGET_API_MAC_CARBON | |
125 | #ifdef MAC_OSX | |
126 | CFStringRef scrap_name = cfstring_create_with_string (str); | |
127 | OptionBits options = (clear_p ? kScrapClearNamedScrap | |
128 | : kScrapGetNamedScrap); | |
129 | ||
130 | err = GetScrapByName (scrap_name, options, scrap); | |
131 | CFRelease (scrap_name); | |
132 | #else /* !MAC_OSX */ | |
133 | if (clear_p) | |
134 | err = ClearCurrentScrap (); | |
135 | if (err == noErr) | |
136 | err = GetCurrentScrap (scrap); | |
137 | #endif /* !MAC_OSX */ | |
138 | #else /* !TARGET_API_MAC_CARBON */ | |
139 | if (clear_p) | |
140 | err = ZeroScrap (); | |
141 | if (err == noErr) | |
142 | *scrap = 1; | |
143 | #endif /* !TARGET_API_MAC_CARBON */ | |
144 | } | |
145 | ||
146 | return err; | |
147 | } | |
148 | ||
149 | /* Get a scrap flavor type from the symbol SYM. Return 0 if no | |
150 | corresponding flavor type. */ | |
151 | ||
152 | static ScrapFlavorType | |
153 | get_flavor_type_from_symbol (sym) | |
154 | Lisp_Object sym; | |
155 | { | |
156 | ScrapFlavorType val; | |
157 | Lisp_Object str = Fget (sym, Qmac_ostype); | |
158 | ||
159 | if (STRINGP (str) && SBYTES (str) == 4) | |
160 | return EndianU32_BtoN (*((UInt32 *) SDATA (str))); | |
161 | ||
162 | return 0; | |
163 | } | |
164 | ||
165 | /* Check if the symbol SYM has a corresponding scrap flavor type. */ | |
166 | ||
167 | static int | |
168 | valid_scrap_target_type_p (sym) | |
169 | Lisp_Object sym; | |
170 | { | |
171 | return get_flavor_type_from_symbol (sym) != 0; | |
172 | } | |
173 | ||
174 | /* Clear the scrap whose reference is *SCRAP. */ | |
175 | ||
176 | static INLINE OSErr | |
177 | clear_scrap (scrap) | |
178 | ScrapRef *scrap; | |
179 | { | |
180 | #if TARGET_API_MAC_CARBON | |
181 | #ifdef MAC_OSX | |
182 | return ClearScrap (scrap); | |
183 | #else | |
184 | return ClearCurrentScrap (); | |
185 | #endif | |
186 | #else /* !TARGET_API_MAC_CARBON */ | |
187 | return ZeroScrap (); | |
188 | #endif /* !TARGET_API_MAC_CARBON */ | |
189 | } | |
190 | ||
191 | /* Put Lisp String STR to the scrap SCRAP. The target type is | |
192 | specified by TYPE. */ | |
193 | ||
194 | static OSErr | |
195 | put_scrap_string (scrap, type, str) | |
196 | ScrapRef scrap; | |
197 | Lisp_Object type, str; | |
198 | { | |
199 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); | |
200 | ||
201 | if (flavor_type == 0) | |
202 | return noTypeErr; | |
203 | ||
204 | #if TARGET_API_MAC_CARBON | |
205 | return PutScrapFlavor (scrap, flavor_type, kScrapFlavorMaskNone, | |
206 | SBYTES (str), SDATA (str)); | |
207 | #else /* !TARGET_API_MAC_CARBON */ | |
208 | return PutScrap (SBYTES (str), flavor_type, SDATA (str)); | |
209 | #endif /* !TARGET_API_MAC_CARBON */ | |
210 | } | |
211 | ||
212 | /* Put TIMESTAMP to the scrap SCRAP. The timestamp is used for | |
213 | checking if the scrap is owned by the process. */ | |
214 | ||
215 | static INLINE OSErr | |
216 | put_scrap_private_timestamp (scrap, timestamp) | |
217 | ScrapRef scrap; | |
218 | unsigned long timestamp; | |
219 | { | |
220 | #if TARGET_API_MAC_CARBON | |
221 | return PutScrapFlavor (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, | |
222 | kScrapFlavorMaskSenderOnly, | |
223 | sizeof (timestamp), ×tamp); | |
224 | #else /* !TARGET_API_MAC_CARBON */ | |
225 | return PutScrap (sizeof (timestamp), SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, | |
226 | ×tamp); | |
227 | #endif /* !TARGET_API_MAC_CARBON */ | |
228 | } | |
229 | ||
230 | /* Check if data for the target type TYPE is available in SCRAP. */ | |
231 | ||
232 | static ScrapFlavorType | |
233 | scrap_has_target_type (scrap, type) | |
234 | ScrapRef scrap; | |
235 | Lisp_Object type; | |
236 | { | |
237 | OSErr err; | |
238 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); | |
239 | ||
240 | if (flavor_type) | |
241 | { | |
242 | #if TARGET_API_MAC_CARBON | |
243 | ScrapFlavorFlags flags; | |
244 | ||
245 | err = GetScrapFlavorFlags (scrap, flavor_type, &flags); | |
246 | if (err != noErr) | |
247 | flavor_type = 0; | |
248 | #else /* !TARGET_API_MAC_CARBON */ | |
249 | SInt32 size, offset; | |
250 | ||
251 | size = GetScrap (NULL, flavor_type, &offset); | |
252 | if (size < 0) | |
253 | flavor_type = 0; | |
254 | #endif /* !TARGET_API_MAC_CARBON */ | |
255 | } | |
256 | ||
257 | return flavor_type; | |
258 | } | |
259 | ||
260 | /* Get data for the target type TYPE from SCRAP and create a Lisp | |
261 | string. Return nil if failed to get data. */ | |
262 | ||
263 | static Lisp_Object | |
264 | get_scrap_string (scrap, type) | |
265 | ScrapRef scrap; | |
266 | Lisp_Object type; | |
267 | { | |
268 | OSErr err; | |
269 | Lisp_Object result = Qnil; | |
270 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); | |
271 | #if TARGET_API_MAC_CARBON | |
272 | Size size; | |
273 | ||
274 | if (flavor_type) | |
275 | { | |
276 | err = GetScrapFlavorSize (scrap, flavor_type, &size); | |
277 | if (err == noErr) | |
278 | { | |
279 | do | |
280 | { | |
281 | result = make_uninit_string (size); | |
282 | err = GetScrapFlavorData (scrap, flavor_type, | |
283 | &size, SDATA (result)); | |
284 | if (err != noErr) | |
285 | result = Qnil; | |
286 | else if (size < SBYTES (result)) | |
287 | result = make_unibyte_string (SDATA (result), size); | |
288 | } | |
289 | while (STRINGP (result) && size > SBYTES (result)); | |
290 | } | |
291 | } | |
292 | #else | |
293 | Handle handle; | |
294 | SInt32 size, offset; | |
295 | ||
296 | if (flavor_type) | |
297 | size = GetScrap (NULL, flavor_type, &offset); | |
298 | if (size >= 0) | |
299 | { | |
300 | handle = NewHandle (size); | |
301 | HLock (handle); | |
302 | size = GetScrap (handle, flavor_type, &offset); | |
303 | if (size >= 0) | |
304 | result = make_unibyte_string (*handle, size); | |
305 | DisposeHandle (handle); | |
306 | } | |
307 | #endif | |
308 | ||
309 | return result; | |
310 | } | |
311 | ||
312 | /* Get timestamp from the scrap SCRAP and set to *TIMPSTAMP. */ | |
313 | ||
314 | static OSErr | |
315 | get_scrap_private_timestamp (scrap, timestamp) | |
316 | ScrapRef scrap; | |
317 | unsigned long *timestamp; | |
318 | { | |
319 | OSErr err = noErr; | |
320 | #if TARGET_API_MAC_CARBON | |
321 | ScrapFlavorFlags flags; | |
322 | ||
323 | err = GetScrapFlavorFlags (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &flags); | |
324 | if (err == noErr) | |
325 | if (!(flags & kScrapFlavorMaskSenderOnly)) | |
326 | err = noTypeErr; | |
327 | else | |
328 | { | |
329 | Size size = sizeof (*timestamp); | |
330 | ||
331 | err = GetScrapFlavorData (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, | |
332 | &size, timestamp); | |
333 | if (err == noErr && size != sizeof (*timestamp)) | |
334 | err = noTypeErr; | |
335 | } | |
336 | #else /* !TARGET_API_MAC_CARBON */ | |
337 | Handle handle; | |
338 | SInt32 size, offset; | |
339 | ||
340 | size = GetScrap (NULL, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &offset); | |
341 | if (size == sizeof (*timestamp)) | |
342 | { | |
343 | handle = NewHandle (size); | |
344 | HLock (handle); | |
345 | size = GetScrap (handle, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &offset); | |
346 | if (size == sizeof (*timestamp)) | |
347 | *timestamp = *((unsigned long *) *handle); | |
348 | DisposeHandle (handle); | |
349 | } | |
350 | if (size != sizeof (*timestamp)) | |
351 | err = noTypeErr; | |
352 | #endif /* !TARGET_API_MAC_CARBON */ | |
353 | ||
354 | return err; | |
355 | } | |
356 | ||
357 | /* Get the list of target types in SCRAP. The return value is a list | |
358 | of target type symbols possibly followed by scrap flavor type | |
359 | strings. */ | |
360 | ||
361 | static Lisp_Object | |
362 | get_scrap_target_type_list (scrap) | |
363 | ScrapRef scrap; | |
364 | { | |
365 | Lisp_Object result = Qnil, rest, target_type; | |
366 | #if TARGET_API_MAC_CARBON | |
367 | OSErr err; | |
368 | UInt32 count, i, type; | |
369 | ScrapFlavorInfo *flavor_info = NULL; | |
370 | Lisp_Object strings = Qnil; | |
371 | ||
372 | err = GetScrapFlavorCount (scrap, &count); | |
373 | if (err == noErr) | |
374 | flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count); | |
10b8ef61 | 375 | if (flavor_info) |
944cda79 YM |
376 | { |
377 | err = GetScrapFlavorInfoList (scrap, &count, flavor_info); | |
378 | if (err != noErr) | |
379 | { | |
380 | xfree (flavor_info); | |
381 | flavor_info = NULL; | |
382 | } | |
383 | } | |
10b8ef61 YM |
384 | if (flavor_info == NULL) |
385 | count = 0; | |
944cda79 YM |
386 | #endif |
387 | for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest)) | |
388 | { | |
389 | ScrapFlavorType flavor_type = 0; | |
390 | ||
391 | if (CONSP (XCAR (rest)) && SYMBOLP (target_type = XCAR (XCAR (rest))) | |
392 | && (flavor_type = scrap_has_target_type (scrap, target_type))) | |
393 | { | |
394 | result = Fcons (target_type, result); | |
395 | #if TARGET_API_MAC_CARBON | |
396 | for (i = 0; i < count; i++) | |
397 | if (flavor_info[i].flavorType == flavor_type) | |
398 | { | |
399 | flavor_info[i].flavorType = 0; | |
400 | break; | |
401 | } | |
402 | #endif | |
403 | } | |
404 | } | |
405 | #if TARGET_API_MAC_CARBON | |
406 | if (flavor_info) | |
407 | { | |
408 | for (i = 0; i < count; i++) | |
409 | if (flavor_info[i].flavorType) | |
410 | { | |
411 | type = EndianU32_NtoB (flavor_info[i].flavorType); | |
412 | strings = Fcons (make_unibyte_string ((char *) &type, 4), strings); | |
413 | } | |
414 | result = nconc2 (result, strings); | |
415 | xfree (flavor_info); | |
416 | } | |
417 | #endif | |
418 | ||
419 | return result; | |
420 | } | |
421 | \f | |
422 | /* Do protocol to assert ourself as a selection owner. | |
423 | Update the Vselection_alist so that we can reply to later requests for | |
424 | our selection. */ | |
425 | ||
426 | static void | |
427 | x_own_selection (selection_name, selection_value) | |
428 | Lisp_Object selection_name, selection_value; | |
429 | { | |
430 | OSErr err; | |
431 | ScrapRef scrap; | |
432 | struct gcpro gcpro1, gcpro2; | |
433 | Lisp_Object rest, handler_fn, value, type; | |
434 | int count; | |
435 | ||
436 | CHECK_SYMBOL (selection_name); | |
437 | ||
438 | GCPRO2 (selection_name, selection_value); | |
439 | ||
440 | BLOCK_INPUT; | |
441 | ||
442 | err = get_scrap_from_symbol (selection_name, 1, &scrap); | |
443 | if (err == noErr && scrap) | |
444 | { | |
445 | /* Don't allow a quit within the converter. | |
446 | When the user types C-g, he would be surprised | |
447 | if by luck it came during a converter. */ | |
448 | count = SPECPDL_INDEX (); | |
449 | specbind (Qinhibit_quit, Qt); | |
450 | ||
451 | for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest)) | |
452 | { | |
453 | if (!(CONSP (XCAR (rest)) | |
454 | && SYMBOLP (type = XCAR (XCAR (rest))) | |
455 | && valid_scrap_target_type_p (type) | |
456 | && SYMBOLP (handler_fn = XCDR (XCAR (rest))))) | |
457 | continue; | |
458 | ||
459 | if (!NILP (handler_fn)) | |
460 | value = call3 (handler_fn, selection_name, | |
461 | type, selection_value); | |
462 | ||
956c0f10 YM |
463 | if (STRINGP (value)) |
464 | err = put_scrap_string (scrap, type, value); | |
465 | else if (CONSP (value) | |
466 | && EQ (XCAR (value), type) | |
467 | && STRINGP (XCDR (value))) | |
944cda79 YM |
468 | err = put_scrap_string (scrap, type, XCDR (value)); |
469 | } | |
470 | ||
471 | unbind_to (count, Qnil); | |
472 | ||
473 | if (err == noErr) | |
474 | err = put_scrap_private_timestamp (scrap, last_event_timestamp); | |
475 | } | |
476 | ||
477 | UNBLOCK_INPUT; | |
478 | ||
479 | UNGCPRO; | |
480 | ||
481 | if (scrap && err != noErr) | |
482 | error ("Can't set selection"); | |
483 | ||
484 | /* Now update the local cache */ | |
485 | { | |
486 | Lisp_Object selection_time; | |
487 | Lisp_Object selection_data; | |
488 | Lisp_Object prev_value; | |
489 | ||
490 | selection_time = long_to_cons (last_event_timestamp); | |
491 | selection_data = Fcons (selection_name, | |
492 | Fcons (selection_value, | |
493 | Fcons (selection_time, | |
494 | Fcons (selected_frame, Qnil)))); | |
495 | prev_value = assq_no_quit (selection_name, Vselection_alist); | |
496 | ||
497 | Vselection_alist = Fcons (selection_data, Vselection_alist); | |
498 | ||
499 | /* If we already owned the selection, remove the old selection data. | |
500 | Perhaps we should destructively modify it instead. | |
501 | Don't use Fdelq as that may QUIT. */ | |
502 | if (!NILP (prev_value)) | |
503 | { | |
504 | Lisp_Object rest; /* we know it's not the CAR, so it's easy. */ | |
505 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
506 | if (EQ (prev_value, Fcar (XCDR (rest)))) | |
507 | { | |
508 | XSETCDR (rest, Fcdr (XCDR (rest))); | |
509 | break; | |
510 | } | |
511 | } | |
512 | } | |
513 | } | |
514 | \f | |
515 | /* Given a selection-name and desired type, look up our local copy of | |
516 | the selection value and convert it to the type. | |
517 | The value is nil or a string. | |
518 | This function is used both for remote requests (LOCAL_REQUEST is zero) | |
519 | and for local x-get-selection-internal (LOCAL_REQUEST is nonzero). | |
520 | ||
521 | This calls random Lisp code, and may signal or gc. */ | |
522 | ||
523 | static Lisp_Object | |
524 | x_get_local_selection (selection_symbol, target_type, local_request) | |
525 | Lisp_Object selection_symbol, target_type; | |
526 | int local_request; | |
527 | { | |
528 | Lisp_Object local_value; | |
529 | Lisp_Object handler_fn, value, type, check; | |
530 | int count; | |
531 | ||
532 | if (NILP (Fx_selection_owner_p (selection_symbol))) | |
533 | return Qnil; | |
534 | ||
535 | local_value = assq_no_quit (selection_symbol, Vselection_alist); | |
536 | ||
537 | /* TIMESTAMP is a special case 'cause that's easiest. */ | |
538 | if (EQ (target_type, QTIMESTAMP)) | |
539 | { | |
540 | handler_fn = Qnil; | |
541 | value = XCAR (XCDR (XCDR (local_value))); | |
542 | } | |
543 | #if 0 | |
544 | else if (EQ (target_type, QDELETE)) | |
545 | { | |
546 | handler_fn = Qnil; | |
547 | Fx_disown_selection_internal | |
548 | (selection_symbol, | |
549 | XCAR (XCDR (XCDR (local_value)))); | |
550 | value = QNULL; | |
551 | } | |
552 | #endif | |
553 | else | |
554 | { | |
555 | /* Don't allow a quit within the converter. | |
556 | When the user types C-g, he would be surprised | |
557 | if by luck it came during a converter. */ | |
558 | count = SPECPDL_INDEX (); | |
559 | specbind (Qinhibit_quit, Qt); | |
560 | ||
561 | CHECK_SYMBOL (target_type); | |
562 | handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist)); | |
563 | /* gcpro is not needed here since nothing but HANDLER_FN | |
564 | is live, and that ought to be a symbol. */ | |
565 | ||
566 | if (!NILP (handler_fn)) | |
567 | value = call3 (handler_fn, | |
568 | selection_symbol, (local_request ? Qnil : target_type), | |
569 | XCAR (XCDR (local_value))); | |
570 | else | |
571 | value = Qnil; | |
572 | unbind_to (count, Qnil); | |
573 | } | |
574 | ||
575 | /* Make sure this value is of a type that we could transmit | |
576 | to another X client. */ | |
577 | ||
578 | check = value; | |
579 | if (CONSP (value) | |
580 | && SYMBOLP (XCAR (value))) | |
581 | type = XCAR (value), | |
582 | check = XCDR (value); | |
583 | ||
584 | if (STRINGP (check) | |
585 | || VECTORP (check) | |
586 | || SYMBOLP (check) | |
587 | || INTEGERP (check) | |
588 | || NILP (value)) | |
589 | return value; | |
590 | /* Check for a value that cons_to_long could handle. */ | |
591 | else if (CONSP (check) | |
592 | && INTEGERP (XCAR (check)) | |
593 | && (INTEGERP (XCDR (check)) | |
594 | || | |
595 | (CONSP (XCDR (check)) | |
596 | && INTEGERP (XCAR (XCDR (check))) | |
597 | && NILP (XCDR (XCDR (check)))))) | |
598 | return value; | |
599 | else | |
600 | return | |
601 | Fsignal (Qerror, | |
602 | Fcons (build_string ("invalid data returned by selection-conversion function"), | |
603 | Fcons (handler_fn, Fcons (value, Qnil)))); | |
604 | } | |
605 | ||
606 | \f | |
607 | /* Clear all selections that were made from frame F. | |
608 | We do this when about to delete a frame. */ | |
609 | ||
610 | void | |
611 | x_clear_frame_selections (f) | |
612 | FRAME_PTR f; | |
613 | { | |
614 | Lisp_Object frame; | |
615 | Lisp_Object rest; | |
616 | ||
617 | XSETFRAME (frame, f); | |
618 | ||
619 | /* Otherwise, we're really honest and truly being told to drop it. | |
620 | Don't use Fdelq as that may QUIT;. */ | |
621 | ||
622 | /* Delete elements from the beginning of Vselection_alist. */ | |
623 | while (!NILP (Vselection_alist) | |
624 | && EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (Vselection_alist))))))) | |
625 | { | |
626 | /* Let random Lisp code notice that the selection has been stolen. */ | |
627 | Lisp_Object hooks, selection_symbol; | |
628 | ||
629 | hooks = Vx_lost_selection_functions; | |
630 | selection_symbol = Fcar (Fcar (Vselection_alist)); | |
631 | ||
956c0f10 YM |
632 | if (!EQ (hooks, Qunbound) |
633 | && !NILP (Fx_selection_owner_p (selection_symbol))) | |
944cda79 YM |
634 | { |
635 | for (; CONSP (hooks); hooks = Fcdr (hooks)) | |
636 | call1 (Fcar (hooks), selection_symbol); | |
637 | #if 0 /* This can crash when deleting a frame | |
638 | from x_connection_closed. Anyway, it seems unnecessary; | |
639 | something else should cause a redisplay. */ | |
640 | redisplay_preserve_echo_area (21); | |
641 | #endif | |
642 | } | |
643 | ||
644 | Vselection_alist = Fcdr (Vselection_alist); | |
645 | } | |
646 | ||
647 | /* Delete elements after the beginning of Vselection_alist. */ | |
648 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
649 | if (EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (XCDR (rest)))))))) | |
650 | { | |
651 | /* Let random Lisp code notice that the selection has been stolen. */ | |
652 | Lisp_Object hooks, selection_symbol; | |
653 | ||
654 | hooks = Vx_lost_selection_functions; | |
655 | selection_symbol = Fcar (Fcar (XCDR (rest))); | |
656 | ||
956c0f10 YM |
657 | if (!EQ (hooks, Qunbound) |
658 | && !NILP (Fx_selection_owner_p (selection_symbol))) | |
944cda79 YM |
659 | { |
660 | for (; CONSP (hooks); hooks = Fcdr (hooks)) | |
661 | call1 (Fcar (hooks), selection_symbol); | |
662 | #if 0 /* See above */ | |
663 | redisplay_preserve_echo_area (22); | |
664 | #endif | |
665 | } | |
666 | XSETCDR (rest, Fcdr (XCDR (rest))); | |
667 | break; | |
668 | } | |
669 | } | |
670 | \f | |
671 | /* Do protocol to read selection-data from the server. | |
672 | Converts this to Lisp data and returns it. */ | |
673 | ||
674 | static Lisp_Object | |
675 | x_get_foreign_selection (selection_symbol, target_type, time_stamp) | |
676 | Lisp_Object selection_symbol, target_type, time_stamp; | |
677 | { | |
678 | OSErr err; | |
679 | ScrapRef scrap; | |
680 | Lisp_Object result = Qnil; | |
681 | ||
682 | BLOCK_INPUT; | |
683 | ||
684 | err = get_scrap_from_symbol (selection_symbol, 0, &scrap); | |
685 | if (err == noErr && scrap) | |
686 | if (EQ (target_type, QTARGETS)) | |
687 | { | |
688 | result = get_scrap_target_type_list (scrap); | |
689 | result = Fvconcat (1, &result); | |
690 | } | |
691 | else | |
692 | { | |
693 | result = get_scrap_string (scrap, target_type); | |
694 | if (STRINGP (result)) | |
695 | Fput_text_property (make_number (0), make_number (SBYTES (result)), | |
696 | Qforeign_selection, target_type, result); | |
697 | } | |
698 | ||
699 | UNBLOCK_INPUT; | |
700 | ||
701 | return result; | |
702 | } | |
703 | ||
704 | ||
705 | DEFUN ("x-own-selection-internal", Fx_own_selection_internal, | |
706 | Sx_own_selection_internal, 2, 2, 0, | |
707 | doc: /* Assert a selection of the given TYPE with the given VALUE. | |
708 | TYPE is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
709 | VALUE is typically a string, or a cons of two markers, but may be | |
710 | anything that the functions on `selection-converter-alist' know about. */) | |
711 | (selection_name, selection_value) | |
712 | Lisp_Object selection_name, selection_value; | |
713 | { | |
714 | check_mac (); | |
715 | CHECK_SYMBOL (selection_name); | |
99f963e4 | 716 | if (NILP (selection_value)) error ("SELECTION-VALUE may not be nil"); |
944cda79 YM |
717 | x_own_selection (selection_name, selection_value); |
718 | return selection_value; | |
719 | } | |
720 | ||
721 | ||
722 | /* Request the selection value from the owner. If we are the owner, | |
723 | simply return our selection value. If we are not the owner, this | |
724 | will block until all of the data has arrived. */ | |
725 | ||
726 | DEFUN ("x-get-selection-internal", Fx_get_selection_internal, | |
727 | Sx_get_selection_internal, 2, 3, 0, | |
99f963e4 | 728 | doc: /* Return text selected from some Mac application. |
944cda79 YM |
729 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. |
730 | TYPE is the type of data desired, typically `STRING'. | |
731 | TIME_STAMP is ignored on Mac. */) | |
99f963e4 | 732 | (selection_symbol, target_type, time_stamp) |
944cda79 YM |
733 | Lisp_Object selection_symbol, target_type, time_stamp; |
734 | { | |
735 | Lisp_Object val = Qnil; | |
736 | struct gcpro gcpro1, gcpro2; | |
737 | GCPRO2 (target_type, val); /* we store newly consed data into these */ | |
738 | check_mac (); | |
739 | CHECK_SYMBOL (selection_symbol); | |
740 | CHECK_SYMBOL (target_type); | |
741 | ||
742 | val = x_get_local_selection (selection_symbol, target_type, 1); | |
743 | ||
744 | if (NILP (val)) | |
745 | { | |
746 | val = x_get_foreign_selection (selection_symbol, target_type, time_stamp); | |
747 | goto DONE; | |
748 | } | |
749 | ||
750 | if (CONSP (val) | |
751 | && SYMBOLP (XCAR (val))) | |
752 | { | |
753 | val = XCDR (val); | |
754 | if (CONSP (val) && NILP (XCDR (val))) | |
755 | val = XCAR (val); | |
756 | } | |
757 | DONE: | |
758 | UNGCPRO; | |
759 | return val; | |
760 | } | |
761 | ||
762 | DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal, | |
763 | Sx_disown_selection_internal, 1, 2, 0, | |
764 | doc: /* If we own the selection SELECTION, disown it. | |
765 | Disowning it means there is no such selection. */) | |
766 | (selection, time) | |
767 | Lisp_Object selection; | |
768 | Lisp_Object time; | |
769 | { | |
770 | OSErr err; | |
771 | ScrapRef scrap; | |
772 | Lisp_Object local_selection_data; | |
773 | ||
774 | check_mac (); | |
775 | CHECK_SYMBOL (selection); | |
776 | ||
777 | if (NILP (Fx_selection_owner_p (selection))) | |
778 | return Qnil; /* Don't disown the selection when we're not the owner. */ | |
779 | ||
780 | local_selection_data = assq_no_quit (selection, Vselection_alist); | |
781 | ||
782 | /* Don't use Fdelq as that may QUIT;. */ | |
783 | ||
784 | if (EQ (local_selection_data, Fcar (Vselection_alist))) | |
785 | Vselection_alist = Fcdr (Vselection_alist); | |
786 | else | |
787 | { | |
788 | Lisp_Object rest; | |
789 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
790 | if (EQ (local_selection_data, Fcar (XCDR (rest)))) | |
791 | { | |
792 | XSETCDR (rest, Fcdr (XCDR (rest))); | |
793 | break; | |
794 | } | |
795 | } | |
796 | ||
797 | /* Let random lisp code notice that the selection has been stolen. */ | |
798 | ||
799 | { | |
800 | Lisp_Object rest; | |
801 | rest = Vx_lost_selection_functions; | |
802 | if (!EQ (rest, Qunbound)) | |
803 | { | |
804 | for (; CONSP (rest); rest = Fcdr (rest)) | |
805 | call1 (Fcar (rest), selection); | |
806 | prepare_menu_bars (); | |
807 | redisplay_preserve_echo_area (20); | |
808 | } | |
809 | } | |
810 | ||
811 | BLOCK_INPUT; | |
812 | ||
813 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
814 | if (err == noErr && scrap) | |
815 | clear_scrap (&scrap); | |
816 | ||
817 | UNBLOCK_INPUT; | |
818 | ||
819 | return Qt; | |
820 | } | |
821 | ||
822 | ||
823 | DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p, | |
824 | 0, 1, 0, | |
99f963e4 | 825 | doc: /* Whether the current Emacs process owns the given SELECTION. |
944cda79 YM |
826 | The arg should be the name of the selection in question, typically one of |
827 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
828 | For convenience, the symbol nil is the same as `PRIMARY', | |
829 | and t is the same as `SECONDARY'. */) | |
830 | (selection) | |
831 | Lisp_Object selection; | |
832 | { | |
833 | OSErr err; | |
834 | ScrapRef scrap; | |
835 | Lisp_Object result = Qnil, local_selection_data; | |
836 | ||
837 | check_mac (); | |
838 | CHECK_SYMBOL (selection); | |
839 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
840 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
841 | ||
842 | local_selection_data = assq_no_quit (selection, Vselection_alist); | |
843 | ||
844 | if (NILP (local_selection_data)) | |
845 | return Qnil; | |
846 | ||
847 | BLOCK_INPUT; | |
848 | ||
849 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
850 | if (err == noErr && scrap) | |
851 | { | |
852 | unsigned long timestamp; | |
853 | ||
854 | err = get_scrap_private_timestamp (scrap, ×tamp); | |
855 | if (err == noErr | |
856 | && (timestamp | |
857 | == cons_to_long (XCAR (XCDR (XCDR (local_selection_data)))))) | |
858 | result = Qt; | |
859 | } | |
860 | else | |
861 | result = Qt; | |
862 | ||
863 | UNBLOCK_INPUT; | |
864 | ||
865 | return result; | |
866 | } | |
867 | ||
868 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
869 | 0, 1, 0, | |
99f963e4 | 870 | doc: /* Whether there is an owner for the given SELECTION. |
944cda79 YM |
871 | The arg should be the name of the selection in question, typically one of |
872 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
873 | For convenience, the symbol nil is the same as `PRIMARY', | |
874 | and t is the same as `SECONDARY'. */) | |
875 | (selection) | |
876 | Lisp_Object selection; | |
877 | { | |
878 | OSErr err; | |
879 | ScrapRef scrap; | |
880 | Lisp_Object result = Qnil, rest; | |
881 | ||
882 | /* It should be safe to call this before we have an Mac frame. */ | |
883 | if (! FRAME_MAC_P (SELECTED_FRAME ())) | |
884 | return Qnil; | |
885 | ||
886 | CHECK_SYMBOL (selection); | |
887 | if (!NILP (Fx_selection_owner_p (selection))) | |
888 | return Qt; | |
889 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
890 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
891 | ||
892 | BLOCK_INPUT; | |
893 | ||
894 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
895 | if (err == noErr && scrap) | |
896 | for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest)) | |
897 | { | |
898 | if (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))) | |
899 | && scrap_has_target_type (scrap, XCAR (XCAR (rest)))) | |
900 | { | |
901 | result = Qt; | |
902 | break; | |
903 | } | |
904 | } | |
905 | ||
906 | UNBLOCK_INPUT; | |
907 | ||
908 | return result; | |
909 | } | |
910 | ||
911 | \f | |
28714a27 YM |
912 | int mac_ready_for_apple_events = 0; |
913 | static Lisp_Object Vmac_apple_event_map; | |
914 | static Lisp_Object Qmac_apple_event_class, Qmac_apple_event_id; | |
915 | static struct | |
916 | { | |
917 | AppleEvent *buf; | |
918 | int size, count; | |
919 | } deferred_apple_events; | |
920 | extern Lisp_Object Qundefined; | |
921 | extern OSErr mac_store_apple_event P_ ((Lisp_Object, Lisp_Object, | |
922 | const AEDesc *)); | |
923 | ||
924 | struct apple_event_binding | |
925 | { | |
926 | UInt32 code; /* Apple event class or ID. */ | |
927 | Lisp_Object key, binding; | |
928 | }; | |
929 | ||
930 | static void | |
931 | find_event_binding_fun (key, binding, args, data) | |
932 | Lisp_Object key, binding, args; | |
933 | void *data; | |
934 | { | |
935 | struct apple_event_binding *event_binding = | |
936 | (struct apple_event_binding *)data; | |
937 | Lisp_Object code_string; | |
938 | ||
939 | if (!SYMBOLP (key)) | |
940 | return; | |
941 | code_string = Fget (key, args); | |
942 | if (STRINGP (code_string) && SBYTES (code_string) == 4 | |
943 | && (EndianU32_BtoN (*((UInt32 *) SDATA (code_string))) | |
944 | == event_binding->code)) | |
945 | { | |
946 | event_binding->key = key; | |
947 | event_binding->binding = binding; | |
948 | } | |
949 | } | |
950 | ||
951 | static void | |
952 | find_event_binding (keymap, event_binding, class_p) | |
953 | Lisp_Object keymap; | |
954 | struct apple_event_binding *event_binding; | |
955 | int class_p; | |
956 | { | |
957 | if (event_binding->code == 0) | |
958 | event_binding->binding = | |
959 | access_keymap (keymap, event_binding->key, 0, 1, 0); | |
960 | else | |
961 | { | |
962 | event_binding->binding = Qnil; | |
963 | map_keymap (keymap, find_event_binding_fun, | |
964 | class_p ? Qmac_apple_event_class : Qmac_apple_event_id, | |
965 | event_binding, 0); | |
966 | } | |
967 | } | |
968 | ||
969 | void | |
970 | mac_find_apple_event_spec (class, id, class_key, id_key, binding) | |
971 | AEEventClass class; | |
972 | AEEventID id; | |
973 | Lisp_Object *class_key, *id_key, *binding; | |
974 | { | |
975 | struct apple_event_binding event_binding; | |
976 | Lisp_Object keymap; | |
977 | ||
978 | *binding = Qnil; | |
979 | ||
980 | keymap = get_keymap (Vmac_apple_event_map, 0, 0); | |
981 | if (NILP (keymap)) | |
982 | return; | |
983 | ||
984 | event_binding.code = class; | |
985 | event_binding.key = *class_key; | |
986 | event_binding.binding = Qnil; | |
987 | find_event_binding (keymap, &event_binding, 1); | |
988 | *class_key = event_binding.key; | |
989 | keymap = get_keymap (event_binding.binding, 0, 0); | |
990 | if (NILP (keymap)) | |
991 | return; | |
992 | ||
993 | event_binding.code = id; | |
994 | event_binding.key = *id_key; | |
995 | event_binding.binding = Qnil; | |
996 | find_event_binding (keymap, &event_binding, 0); | |
997 | *id_key = event_binding.key; | |
998 | *binding = event_binding.binding; | |
999 | } | |
1000 | ||
1001 | static OSErr | |
1002 | defer_apple_events (apple_event, reply) | |
1003 | const AppleEvent *apple_event, *reply; | |
1004 | { | |
1005 | OSErr err; | |
1006 | ||
1007 | err = AESuspendTheCurrentEvent (apple_event); | |
1008 | ||
1009 | /* Mac OS 10.3 Xcode manual says AESuspendTheCurrentEvent makes | |
1010 | copies of the Apple event and the reply, but Mac OS 10.4 Xcode | |
1011 | manual says it doesn't. Anyway we create copies of them and save | |
1012 | it in `deferred_apple_events'. */ | |
1013 | if (err == noErr) | |
1014 | { | |
1015 | if (deferred_apple_events.buf == NULL) | |
1016 | { | |
1017 | deferred_apple_events.size = 16; | |
1018 | deferred_apple_events.count = 0; | |
1019 | deferred_apple_events.buf = | |
1020 | xmalloc (sizeof (AppleEvent) * deferred_apple_events.size); | |
1021 | if (deferred_apple_events.buf == NULL) | |
1022 | err = memFullErr; | |
1023 | } | |
1024 | else if (deferred_apple_events.count == deferred_apple_events.size) | |
1025 | { | |
1026 | AppleEvent *newbuf; | |
1027 | ||
1028 | deferred_apple_events.size *= 2; | |
1029 | newbuf = xrealloc (deferred_apple_events.buf, | |
1030 | sizeof (AppleEvent) * deferred_apple_events.size); | |
1031 | if (newbuf) | |
1032 | deferred_apple_events.buf = newbuf; | |
1033 | else | |
1034 | err = memFullErr; | |
1035 | } | |
1036 | } | |
1037 | ||
1038 | if (err == noErr) | |
1039 | { | |
1040 | int count = deferred_apple_events.count; | |
1041 | ||
1042 | AEDuplicateDesc (apple_event, deferred_apple_events.buf + count); | |
1043 | AEDuplicateDesc (reply, deferred_apple_events.buf + count + 1); | |
1044 | deferred_apple_events.count += 2; | |
1045 | } | |
1046 | ||
1047 | return err; | |
1048 | } | |
1049 | ||
1050 | static pascal OSErr | |
1051 | mac_handle_apple_event (apple_event, reply, refcon) | |
1052 | const AppleEvent *apple_event; | |
1053 | AppleEvent *reply; | |
1054 | SInt32 refcon; | |
1055 | { | |
1056 | OSErr err; | |
1057 | AEEventClass event_class; | |
1058 | AEEventID event_id; | |
1059 | Lisp_Object class_key, id_key, binding; | |
1060 | ||
1061 | /* We can't handle an Apple event that requests a reply, but this | |
1062 | seems to be too restrictive. */ | |
1063 | #if 0 | |
1064 | if (reply->descriptorType != typeNull) | |
1065 | return errAEEventNotHandled; | |
1066 | #endif | |
1067 | ||
1068 | if (!mac_ready_for_apple_events) | |
1069 | { | |
1070 | err = defer_apple_events (apple_event, reply); | |
1071 | if (err != noErr) | |
1072 | return errAEEventNotHandled; | |
1073 | return noErr; | |
1074 | } | |
1075 | ||
1076 | err = AEGetAttributePtr (apple_event, keyEventClassAttr, typeType, NULL, | |
1077 | &event_class, sizeof (AEEventClass), NULL); | |
1078 | if (err == noErr) | |
1079 | err = AEGetAttributePtr (apple_event, keyEventIDAttr, typeType, NULL, | |
1080 | &event_id, sizeof (AEEventID), NULL); | |
1081 | if (err == noErr) | |
1082 | { | |
1083 | mac_find_apple_event_spec (event_class, event_id, | |
1084 | &class_key, &id_key, &binding); | |
1085 | if (!NILP (binding) && !EQ (binding, Qundefined)) | |
1086 | { | |
1087 | if (INTEGERP (binding)) | |
1088 | return XINT (binding); | |
1089 | err = mac_store_apple_event (class_key, id_key, apple_event); | |
1090 | if (err == noErr) | |
1091 | return noErr; | |
1092 | } | |
1093 | } | |
1094 | return errAEEventNotHandled; | |
1095 | } | |
1096 | ||
1097 | void | |
1098 | init_apple_event_handler () | |
1099 | { | |
1100 | OSErr err; | |
1101 | long result; | |
1102 | ||
1103 | /* Make sure we have Apple events before starting. */ | |
1104 | err = Gestalt (gestaltAppleEventsAttr, &result); | |
1105 | if (err != noErr) | |
1106 | abort (); | |
1107 | ||
1108 | if (!(result & (1 << gestaltAppleEventsPresent))) | |
1109 | abort (); | |
1110 | ||
1111 | err = AEInstallEventHandler (typeWildCard, typeWildCard, | |
1112 | #if TARGET_API_MAC_CARBON | |
1113 | NewAEEventHandlerUPP (mac_handle_apple_event), | |
1114 | #else | |
1115 | NewAEEventHandlerProc (mac_handle_apple_event), | |
1116 | #endif | |
1117 | 0L, false); | |
1118 | if (err != noErr) | |
1119 | abort (); | |
1120 | } | |
1121 | ||
1122 | DEFUN ("mac-process-deferred-apple-events", Fmac_process_deferred_apple_events, Smac_process_deferred_apple_events, 0, 0, 0, | |
1123 | doc: /* Process Apple events that are deferred at the startup time. */) | |
1124 | () | |
1125 | { | |
1126 | OSErr err; | |
1127 | Lisp_Object result = Qnil; | |
1128 | long i, count; | |
1129 | AppleEvent apple_event, reply; | |
1130 | AEKeyword keyword; | |
1131 | ||
1132 | if (mac_ready_for_apple_events) | |
1133 | return Qnil; | |
1134 | ||
1135 | BLOCK_INPUT; | |
1136 | mac_ready_for_apple_events = 1; | |
1137 | if (deferred_apple_events.buf) | |
1138 | { | |
1139 | for (i = 0; i < deferred_apple_events.count; i += 2) | |
1140 | { | |
1141 | AEResumeTheCurrentEvent (deferred_apple_events.buf + i, | |
1142 | deferred_apple_events.buf + i + 1, | |
1143 | ((AEEventHandlerUPP) | |
1144 | kAEUseStandardDispatch), 0); | |
1145 | AEDisposeDesc (deferred_apple_events.buf + i); | |
1146 | AEDisposeDesc (deferred_apple_events.buf + i + 1); | |
1147 | } | |
1148 | xfree (deferred_apple_events.buf); | |
1149 | bzero (&deferred_apple_events, sizeof (deferred_apple_events)); | |
1150 | ||
1151 | result = Qt; | |
1152 | } | |
1153 | UNBLOCK_INPUT; | |
1154 | ||
1155 | return result; | |
1156 | } | |
1157 | ||
1158 | \f | |
944cda79 YM |
1159 | #ifdef MAC_OSX |
1160 | void | |
1161 | init_service_handler () | |
1162 | { | |
1163 | EventTypeSpec specs[] = {{kEventClassService, kEventServiceGetTypes}, | |
1164 | {kEventClassService, kEventServiceCopy}, | |
1165 | {kEventClassService, kEventServicePaste}, | |
1166 | {kEventClassService, kEventServicePerform}}; | |
1167 | InstallApplicationEventHandler (NewEventHandlerUPP (mac_handle_service_event), | |
1168 | GetEventTypeCount (specs), specs, NULL, NULL); | |
1169 | } | |
1170 | ||
28714a27 YM |
1171 | extern OSErr mac_store_services_event P_ ((EventRef)); |
1172 | ||
1173 | static OSStatus | |
1174 | copy_scrap_flavor_data (from_scrap, to_scrap, flavor_type) | |
1175 | ScrapRef from_scrap, to_scrap; | |
1176 | ScrapFlavorType flavor_type; | |
1177 | { | |
1178 | OSStatus err; | |
1179 | Size size, size_allocated; | |
1180 | char *buf = NULL; | |
1181 | ||
1182 | err = GetScrapFlavorSize (from_scrap, flavor_type, &size); | |
1183 | if (err == noErr) | |
1184 | buf = xmalloc (size); | |
1185 | while (buf) | |
1186 | { | |
1187 | size_allocated = size; | |
1188 | err = GetScrapFlavorData (from_scrap, flavor_type, &size, buf); | |
1189 | if (err != noErr) | |
1190 | { | |
1191 | xfree (buf); | |
1192 | buf = NULL; | |
1193 | } | |
1194 | else if (size_allocated < size) | |
1195 | { | |
1196 | char *newbuf = xrealloc (buf, size); | |
1197 | ||
1198 | if (newbuf) | |
1199 | buf = newbuf; | |
1200 | else | |
1201 | { | |
1202 | xfree (buf); | |
1203 | buf = NULL; | |
1204 | } | |
1205 | } | |
1206 | else | |
1207 | break; | |
1208 | } | |
1209 | if (err == noErr) | |
1210 | if (buf == NULL) | |
1211 | err = memFullErr; | |
1212 | else | |
1213 | { | |
1214 | err = PutScrapFlavor (to_scrap, flavor_type, kScrapFlavorMaskNone, | |
1215 | size, buf); | |
1216 | xfree (buf); | |
1217 | } | |
1218 | ||
1219 | return err; | |
1220 | } | |
944cda79 YM |
1221 | |
1222 | static OSStatus | |
1223 | mac_handle_service_event (call_ref, event, data) | |
1224 | EventHandlerCallRef call_ref; | |
1225 | EventRef event; | |
1226 | void *data; | |
1227 | { | |
1228 | OSStatus err = noErr; | |
28714a27 YM |
1229 | ScrapRef cur_scrap, specific_scrap; |
1230 | UInt32 event_kind = GetEventKind (event); | |
1231 | CFMutableArrayRef copy_types, paste_types; | |
1232 | CFStringRef type; | |
1233 | Lisp_Object rest; | |
1234 | ScrapFlavorType flavor_type; | |
944cda79 YM |
1235 | |
1236 | /* Check if Vmac_services_selection is a valid selection that has a | |
1237 | corresponding scrap. */ | |
1238 | if (!SYMBOLP (Vmac_services_selection)) | |
1239 | err = eventNotHandledErr; | |
1240 | else | |
1241 | err = get_scrap_from_symbol (Vmac_services_selection, 0, &cur_scrap); | |
1242 | if (!(err == noErr && cur_scrap)) | |
1243 | return eventNotHandledErr; | |
1244 | ||
28714a27 | 1245 | switch (event_kind) |
944cda79 YM |
1246 | { |
1247 | case kEventServiceGetTypes: | |
28714a27 YM |
1248 | /* Set paste types. */ |
1249 | err = GetEventParameter (event, kEventParamServicePasteTypes, | |
1250 | typeCFMutableArrayRef, NULL, | |
1251 | sizeof (CFMutableArrayRef), NULL, | |
1252 | &paste_types); | |
1253 | if (err != noErr) | |
1254 | break; | |
1255 | ||
1256 | for (rest = Vselection_converter_alist; CONSP (rest); | |
1257 | rest = XCDR (rest)) | |
1258 | if (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))) | |
1259 | && (flavor_type = | |
1260 | get_flavor_type_from_symbol (XCAR (XCAR (rest))))) | |
1261 | { | |
1262 | type = CreateTypeStringWithOSType (flavor_type); | |
1263 | if (type) | |
944cda79 | 1264 | { |
28714a27 YM |
1265 | CFArrayAppendValue (paste_types, type); |
1266 | CFRelease (type); | |
944cda79 | 1267 | } |
28714a27 | 1268 | } |
944cda79 | 1269 | |
28714a27 YM |
1270 | /* Set copy types. */ |
1271 | err = GetEventParameter (event, kEventParamServiceCopyTypes, | |
1272 | typeCFMutableArrayRef, NULL, | |
1273 | sizeof (CFMutableArrayRef), NULL, | |
1274 | ©_types); | |
1275 | if (err != noErr) | |
1276 | break; | |
1277 | ||
1278 | if (NILP (Fx_selection_owner_p (Vmac_services_selection))) | |
1279 | break; | |
1280 | else | |
1281 | goto copy_all_flavors; | |
944cda79 YM |
1282 | |
1283 | case kEventServiceCopy: | |
28714a27 YM |
1284 | err = GetEventParameter (event, kEventParamScrapRef, |
1285 | typeScrapRef, NULL, | |
1286 | sizeof (ScrapRef), NULL, &specific_scrap); | |
1287 | if (err != noErr | |
1288 | || NILP (Fx_selection_owner_p (Vmac_services_selection))) | |
1289 | { | |
944cda79 | 1290 | err = eventNotHandledErr; |
28714a27 YM |
1291 | break; |
1292 | } | |
1293 | ||
1294 | copy_all_flavors: | |
1295 | { | |
1296 | UInt32 count, i; | |
1297 | ScrapFlavorInfo *flavor_info = NULL; | |
1298 | ScrapFlavorFlags flags; | |
1299 | ||
1300 | err = GetScrapFlavorCount (cur_scrap, &count); | |
1301 | if (err == noErr) | |
1302 | flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count); | |
1303 | if (flavor_info) | |
1304 | { | |
1305 | err = GetScrapFlavorInfoList (cur_scrap, &count, flavor_info); | |
1306 | if (err != noErr) | |
1307 | { | |
1308 | xfree (flavor_info); | |
1309 | flavor_info = NULL; | |
1310 | } | |
1311 | } | |
1312 | if (flavor_info == NULL) | |
1313 | break; | |
1314 | ||
1315 | for (i = 0; i < count; i++) | |
1316 | { | |
1317 | flavor_type = flavor_info[i].flavorType; | |
1318 | err = GetScrapFlavorFlags (cur_scrap, flavor_type, &flags); | |
1319 | if (err == noErr && !(flags & kScrapFlavorMaskSenderOnly)) | |
1320 | { | |
1321 | if (event_kind == kEventServiceCopy) | |
1322 | err = copy_scrap_flavor_data (cur_scrap, specific_scrap, | |
1323 | flavor_type); | |
1324 | else /* event_kind == kEventServiceGetTypes */ | |
1325 | { | |
1326 | type = CreateTypeStringWithOSType (flavor_type); | |
1327 | if (type) | |
1328 | { | |
1329 | CFArrayAppendValue (copy_types, type); | |
1330 | CFRelease (type); | |
1331 | } | |
1332 | } | |
1333 | } | |
1334 | } | |
1335 | xfree (flavor_info); | |
944cda79 YM |
1336 | } |
1337 | break; | |
1338 | ||
1339 | case kEventServicePaste: | |
1340 | case kEventServicePerform: | |
1341 | { | |
944cda79 YM |
1342 | int data_exists_p = 0; |
1343 | ||
1344 | err = GetEventParameter (event, kEventParamScrapRef, typeScrapRef, | |
1345 | NULL, sizeof (ScrapRef), NULL, | |
1346 | &specific_scrap); | |
1347 | if (err == noErr) | |
1348 | err = clear_scrap (&cur_scrap); | |
1349 | if (err == noErr) | |
1350 | for (rest = Vselection_converter_alist; CONSP (rest); | |
1351 | rest = XCDR (rest)) | |
1352 | { | |
1353 | if (! (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))))) | |
1354 | continue; | |
28714a27 YM |
1355 | flavor_type = get_flavor_type_from_symbol (XCAR (XCAR (rest))); |
1356 | if (flavor_type == 0) | |
1357 | continue; | |
1358 | err = copy_scrap_flavor_data (specific_scrap, cur_scrap, | |
1359 | flavor_type); | |
1360 | if (err == noErr) | |
1361 | data_exists_p = 1; | |
944cda79 | 1362 | } |
28714a27 YM |
1363 | if (!data_exists_p) |
1364 | err = eventNotHandledErr; | |
1365 | else | |
1366 | err = mac_store_services_event (event); | |
944cda79 YM |
1367 | } |
1368 | break; | |
1369 | } | |
1370 | ||
28714a27 YM |
1371 | if (err != noErr) |
1372 | err = eventNotHandledErr; | |
944cda79 YM |
1373 | return err; |
1374 | } | |
1375 | #endif | |
1376 | ||
1377 | ||
1378 | void | |
1379 | syms_of_macselect () | |
1380 | { | |
1381 | defsubr (&Sx_get_selection_internal); | |
1382 | defsubr (&Sx_own_selection_internal); | |
1383 | defsubr (&Sx_disown_selection_internal); | |
1384 | defsubr (&Sx_selection_owner_p); | |
1385 | defsubr (&Sx_selection_exists_p); | |
28714a27 | 1386 | defsubr (&Smac_process_deferred_apple_events); |
944cda79 YM |
1387 | |
1388 | Vselection_alist = Qnil; | |
1389 | staticpro (&Vselection_alist); | |
1390 | ||
1391 | DEFVAR_LISP ("selection-converter-alist", &Vselection_converter_alist, | |
1392 | doc: /* An alist associating selection-types with functions. | |
1393 | These functions are called to convert the selection, with three args: | |
1394 | the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD'); | |
1395 | a desired type to which the selection should be converted; | |
1396 | and the local selection value (whatever was given to `x-own-selection'). | |
1397 | ||
1398 | The function should return the value to send to the Scrap Manager | |
99f963e4 | 1399 | \(must be a string). A return value of nil |
944cda79 YM |
1400 | means that the conversion could not be done. |
1401 | A return value which is the symbol `NULL' | |
1402 | means that a side-effect was executed, | |
1403 | and there is no meaningful selection value. */); | |
1404 | Vselection_converter_alist = Qnil; | |
1405 | ||
1406 | DEFVAR_LISP ("x-lost-selection-functions", &Vx_lost_selection_functions, | |
1407 | doc: /* A list of functions to be called when Emacs loses a selection. | |
1408 | \(This happens when a Lisp program explicitly clears the selection.) | |
1409 | The functions are called with one argument, the selection type | |
1410 | \(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'). */); | |
1411 | Vx_lost_selection_functions = Qnil; | |
1412 | ||
1413 | DEFVAR_LISP ("selection-coding-system", &Vselection_coding_system, | |
1414 | doc: /* Coding system for communicating with other programs. | |
1415 | When sending or receiving text via cut_buffer, selection, and clipboard, | |
1416 | the text is encoded or decoded by this coding system. | |
1417 | The default value is determined by the system script code. */); | |
1418 | Vselection_coding_system = Qnil; | |
1419 | ||
1420 | DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system, | |
1421 | doc: /* Coding system for the next communication with other programs. | |
1422 | Usually, `selection-coding-system' is used for communicating with | |
1423 | other programs. But, if this variable is set, it is used for the | |
1424 | next communication only. After the communication, this variable is | |
1425 | set to nil. */); | |
1426 | Vnext_selection_coding_system = Qnil; | |
1427 | ||
28714a27 YM |
1428 | DEFVAR_LISP ("mac-apple-event-map", &Vmac_apple_event_map, |
1429 | doc: /* Keymap for Apple events handled by Emacs. */); | |
4d4983fd | 1430 | Vmac_apple_event_map = Qnil; |
28714a27 | 1431 | |
3f2bf04a | 1432 | #ifdef MAC_OSX |
944cda79 YM |
1433 | DEFVAR_LISP ("mac-services-selection", &Vmac_services_selection, |
1434 | doc: /* Selection name for communication via Services menu. */); | |
3f2bf04a YM |
1435 | Vmac_services_selection = intern ("PRIMARY"); |
1436 | #endif | |
944cda79 YM |
1437 | |
1438 | QPRIMARY = intern ("PRIMARY"); staticpro (&QPRIMARY); | |
1439 | QSECONDARY = intern ("SECONDARY"); staticpro (&QSECONDARY); | |
1440 | QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP); | |
1441 | QTARGETS = intern ("TARGETS"); staticpro (&QTARGETS); | |
1442 | ||
1443 | Qforeign_selection = intern ("foreign-selection"); | |
1444 | staticpro (&Qforeign_selection); | |
1445 | ||
1446 | Qmac_scrap_name = intern ("mac-scrap-name"); | |
1447 | staticpro (&Qmac_scrap_name); | |
1448 | ||
1449 | Qmac_ostype = intern ("mac-ostype"); | |
1450 | staticpro (&Qmac_ostype); | |
28714a27 YM |
1451 | |
1452 | Qmac_apple_event_class = intern ("mac-apple-event-class"); | |
1453 | staticpro (&Qmac_apple_event_class); | |
1454 | ||
1455 | Qmac_apple_event_id = intern ("mac-apple-event-id"); | |
1456 | staticpro (&Qmac_apple_event_id); | |
944cda79 | 1457 | } |
0ed4adfc MB |
1458 | |
1459 | /* arch-tag: f3c91ad8-99e0-4bd6-9eef-251b2f848732 | |
1460 | (do not change this comment) */ |