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944cda79 | 1 | /* Selection processing for Emacs on Mac OS. |
4e6835db | 2 | Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. |
944cda79 YM |
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 | ||
31f93085 | 34 | static OSStatus get_scrap_from_symbol P_ ((Lisp_Object, int, ScrapRef *)); |
944cda79 YM |
35 | static ScrapFlavorType get_flavor_type_from_symbol P_ ((Lisp_Object)); |
36 | static int valid_scrap_target_type_p P_ ((Lisp_Object)); | |
31f93085 YM |
37 | static OSStatus clear_scrap P_ ((ScrapRef *)); |
38 | static OSStatus put_scrap_string P_ ((ScrapRef, Lisp_Object, Lisp_Object)); | |
39 | static OSStatus put_scrap_private_timestamp P_ ((ScrapRef, unsigned long)); | |
944cda79 YM |
40 | static ScrapFlavorType scrap_has_target_type P_ ((ScrapRef, Lisp_Object)); |
41 | static Lisp_Object get_scrap_string P_ ((ScrapRef, Lisp_Object)); | |
31f93085 | 42 | static OSStatus get_scrap_private_timestamp P_ ((ScrapRef, unsigned long *)); |
944cda79 YM |
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 | 103 | /* Selection name for communication via Services menu. */ |
c2e93c82 | 104 | static Lisp_Object Vmac_service_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 | ||
31f93085 | 111 | static OSStatus |
944cda79 YM |
112 | get_scrap_from_symbol (sym, clear_p, scrap) |
113 | Lisp_Object sym; | |
114 | int clear_p; | |
115 | ScrapRef *scrap; | |
116 | { | |
31f93085 | 117 | OSStatus err = noErr; |
944cda79 YM |
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 | { | |
944cda79 YM |
156 | Lisp_Object str = Fget (sym, Qmac_ostype); |
157 | ||
158 | if (STRINGP (str) && SBYTES (str) == 4) | |
159 | return EndianU32_BtoN (*((UInt32 *) SDATA (str))); | |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
164 | /* Check if the symbol SYM has a corresponding scrap flavor type. */ | |
165 | ||
166 | static int | |
167 | valid_scrap_target_type_p (sym) | |
168 | Lisp_Object sym; | |
169 | { | |
170 | return get_flavor_type_from_symbol (sym) != 0; | |
171 | } | |
172 | ||
173 | /* Clear the scrap whose reference is *SCRAP. */ | |
174 | ||
31f93085 | 175 | static INLINE OSStatus |
944cda79 YM |
176 | clear_scrap (scrap) |
177 | ScrapRef *scrap; | |
178 | { | |
179 | #if TARGET_API_MAC_CARBON | |
180 | #ifdef MAC_OSX | |
181 | return ClearScrap (scrap); | |
182 | #else | |
183 | return ClearCurrentScrap (); | |
184 | #endif | |
185 | #else /* !TARGET_API_MAC_CARBON */ | |
186 | return ZeroScrap (); | |
187 | #endif /* !TARGET_API_MAC_CARBON */ | |
188 | } | |
189 | ||
190 | /* Put Lisp String STR to the scrap SCRAP. The target type is | |
191 | specified by TYPE. */ | |
192 | ||
31f93085 | 193 | static OSStatus |
944cda79 YM |
194 | put_scrap_string (scrap, type, str) |
195 | ScrapRef scrap; | |
196 | Lisp_Object type, str; | |
197 | { | |
198 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); | |
199 | ||
200 | if (flavor_type == 0) | |
201 | return noTypeErr; | |
202 | ||
203 | #if TARGET_API_MAC_CARBON | |
204 | return PutScrapFlavor (scrap, flavor_type, kScrapFlavorMaskNone, | |
205 | SBYTES (str), SDATA (str)); | |
206 | #else /* !TARGET_API_MAC_CARBON */ | |
207 | return PutScrap (SBYTES (str), flavor_type, SDATA (str)); | |
208 | #endif /* !TARGET_API_MAC_CARBON */ | |
209 | } | |
210 | ||
211 | /* Put TIMESTAMP to the scrap SCRAP. The timestamp is used for | |
212 | checking if the scrap is owned by the process. */ | |
213 | ||
31f93085 | 214 | static INLINE OSStatus |
944cda79 YM |
215 | put_scrap_private_timestamp (scrap, timestamp) |
216 | ScrapRef scrap; | |
217 | unsigned long timestamp; | |
218 | { | |
219 | #if TARGET_API_MAC_CARBON | |
220 | return PutScrapFlavor (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, | |
221 | kScrapFlavorMaskSenderOnly, | |
222 | sizeof (timestamp), ×tamp); | |
223 | #else /* !TARGET_API_MAC_CARBON */ | |
224 | return PutScrap (sizeof (timestamp), SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, | |
225 | ×tamp); | |
226 | #endif /* !TARGET_API_MAC_CARBON */ | |
227 | } | |
228 | ||
229 | /* Check if data for the target type TYPE is available in SCRAP. */ | |
230 | ||
231 | static ScrapFlavorType | |
232 | scrap_has_target_type (scrap, type) | |
233 | ScrapRef scrap; | |
234 | Lisp_Object type; | |
235 | { | |
31f93085 | 236 | OSStatus err; |
944cda79 YM |
237 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); |
238 | ||
239 | if (flavor_type) | |
240 | { | |
241 | #if TARGET_API_MAC_CARBON | |
242 | ScrapFlavorFlags flags; | |
243 | ||
244 | err = GetScrapFlavorFlags (scrap, flavor_type, &flags); | |
245 | if (err != noErr) | |
246 | flavor_type = 0; | |
247 | #else /* !TARGET_API_MAC_CARBON */ | |
248 | SInt32 size, offset; | |
249 | ||
250 | size = GetScrap (NULL, flavor_type, &offset); | |
251 | if (size < 0) | |
252 | flavor_type = 0; | |
253 | #endif /* !TARGET_API_MAC_CARBON */ | |
254 | } | |
255 | ||
256 | return flavor_type; | |
257 | } | |
258 | ||
259 | /* Get data for the target type TYPE from SCRAP and create a Lisp | |
260 | string. Return nil if failed to get data. */ | |
261 | ||
262 | static Lisp_Object | |
263 | get_scrap_string (scrap, type) | |
264 | ScrapRef scrap; | |
265 | Lisp_Object type; | |
266 | { | |
31f93085 | 267 | OSStatus err; |
944cda79 YM |
268 | Lisp_Object result = Qnil; |
269 | ScrapFlavorType flavor_type = get_flavor_type_from_symbol (type); | |
270 | #if TARGET_API_MAC_CARBON | |
271 | Size size; | |
272 | ||
273 | if (flavor_type) | |
274 | { | |
275 | err = GetScrapFlavorSize (scrap, flavor_type, &size); | |
276 | if (err == noErr) | |
277 | { | |
278 | do | |
279 | { | |
280 | result = make_uninit_string (size); | |
281 | err = GetScrapFlavorData (scrap, flavor_type, | |
282 | &size, SDATA (result)); | |
283 | if (err != noErr) | |
284 | result = Qnil; | |
285 | else if (size < SBYTES (result)) | |
286 | result = make_unibyte_string (SDATA (result), size); | |
287 | } | |
288 | while (STRINGP (result) && size > SBYTES (result)); | |
289 | } | |
290 | } | |
291 | #else | |
292 | Handle handle; | |
293 | SInt32 size, offset; | |
294 | ||
295 | if (flavor_type) | |
296 | size = GetScrap (NULL, flavor_type, &offset); | |
297 | if (size >= 0) | |
298 | { | |
299 | handle = NewHandle (size); | |
300 | HLock (handle); | |
301 | size = GetScrap (handle, flavor_type, &offset); | |
302 | if (size >= 0) | |
303 | result = make_unibyte_string (*handle, size); | |
304 | DisposeHandle (handle); | |
305 | } | |
306 | #endif | |
307 | ||
308 | return result; | |
309 | } | |
310 | ||
311 | /* Get timestamp from the scrap SCRAP and set to *TIMPSTAMP. */ | |
312 | ||
31f93085 | 313 | static OSStatus |
944cda79 YM |
314 | get_scrap_private_timestamp (scrap, timestamp) |
315 | ScrapRef scrap; | |
316 | unsigned long *timestamp; | |
317 | { | |
31f93085 | 318 | OSStatus err = noErr; |
944cda79 YM |
319 | #if TARGET_API_MAC_CARBON |
320 | ScrapFlavorFlags flags; | |
321 | ||
322 | err = GetScrapFlavorFlags (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &flags); | |
323 | if (err == noErr) | |
961bf590 YM |
324 | { |
325 | if (!(flags & kScrapFlavorMaskSenderOnly)) | |
326 | err = noTypeErr; | |
327 | else | |
328 | { | |
329 | Size size = sizeof (*timestamp); | |
944cda79 | 330 | |
961bf590 YM |
331 | err = GetScrapFlavorData (scrap, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, |
332 | &size, timestamp); | |
333 | if (err == noErr && size != sizeof (*timestamp)) | |
334 | err = noTypeErr; | |
335 | } | |
336 | } | |
944cda79 YM |
337 | #else /* !TARGET_API_MAC_CARBON */ |
338 | Handle handle; | |
339 | SInt32 size, offset; | |
340 | ||
341 | size = GetScrap (NULL, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &offset); | |
342 | if (size == sizeof (*timestamp)) | |
343 | { | |
344 | handle = NewHandle (size); | |
345 | HLock (handle); | |
346 | size = GetScrap (handle, SCRAP_FLAVOR_TYPE_EMACS_TIMESTAMP, &offset); | |
347 | if (size == sizeof (*timestamp)) | |
348 | *timestamp = *((unsigned long *) *handle); | |
349 | DisposeHandle (handle); | |
350 | } | |
351 | if (size != sizeof (*timestamp)) | |
352 | err = noTypeErr; | |
353 | #endif /* !TARGET_API_MAC_CARBON */ | |
354 | ||
355 | return err; | |
356 | } | |
357 | ||
358 | /* Get the list of target types in SCRAP. The return value is a list | |
359 | of target type symbols possibly followed by scrap flavor type | |
360 | strings. */ | |
361 | ||
362 | static Lisp_Object | |
363 | get_scrap_target_type_list (scrap) | |
364 | ScrapRef scrap; | |
365 | { | |
366 | Lisp_Object result = Qnil, rest, target_type; | |
367 | #if TARGET_API_MAC_CARBON | |
31f93085 | 368 | OSStatus err; |
944cda79 YM |
369 | UInt32 count, i, type; |
370 | ScrapFlavorInfo *flavor_info = NULL; | |
371 | Lisp_Object strings = Qnil; | |
372 | ||
373 | err = GetScrapFlavorCount (scrap, &count); | |
374 | if (err == noErr) | |
375 | flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count); | |
1091c0b3 YM |
376 | err = GetScrapFlavorInfoList (scrap, &count, flavor_info); |
377 | if (err != noErr) | |
944cda79 | 378 | { |
1091c0b3 YM |
379 | xfree (flavor_info); |
380 | flavor_info = NULL; | |
944cda79 | 381 | } |
10b8ef61 YM |
382 | if (flavor_info == NULL) |
383 | count = 0; | |
944cda79 YM |
384 | #endif |
385 | for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest)) | |
386 | { | |
387 | ScrapFlavorType flavor_type = 0; | |
388 | ||
d18bee72 YM |
389 | if (CONSP (XCAR (rest)) |
390 | && (target_type = XCAR (XCAR (rest)), | |
391 | SYMBOLP (target_type)) | |
944cda79 YM |
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 | { | |
31f93085 | 430 | OSStatus err; |
944cda79 YM |
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)) | |
d18bee72 YM |
454 | && (type = XCAR (XCAR (rest)), |
455 | SYMBOLP (type)) | |
944cda79 | 456 | && valid_scrap_target_type_p (type) |
d18bee72 YM |
457 | && (handler_fn = XCDR (XCAR (rest)), |
458 | SYMBOLP (handler_fn)))) | |
944cda79 YM |
459 | continue; |
460 | ||
461 | if (!NILP (handler_fn)) | |
462 | value = call3 (handler_fn, selection_name, | |
463 | type, selection_value); | |
464 | ||
956c0f10 YM |
465 | if (STRINGP (value)) |
466 | err = put_scrap_string (scrap, type, value); | |
467 | else if (CONSP (value) | |
468 | && EQ (XCAR (value), type) | |
469 | && STRINGP (XCDR (value))) | |
944cda79 YM |
470 | err = put_scrap_string (scrap, type, XCDR (value)); |
471 | } | |
472 | ||
473 | unbind_to (count, Qnil); | |
474 | ||
475 | if (err == noErr) | |
476 | err = put_scrap_private_timestamp (scrap, last_event_timestamp); | |
477 | } | |
478 | ||
479 | UNBLOCK_INPUT; | |
480 | ||
481 | UNGCPRO; | |
482 | ||
483 | if (scrap && err != noErr) | |
484 | error ("Can't set selection"); | |
485 | ||
486 | /* Now update the local cache */ | |
487 | { | |
488 | Lisp_Object selection_time; | |
489 | Lisp_Object selection_data; | |
490 | Lisp_Object prev_value; | |
491 | ||
492 | selection_time = long_to_cons (last_event_timestamp); | |
493 | selection_data = Fcons (selection_name, | |
494 | Fcons (selection_value, | |
495 | Fcons (selection_time, | |
496 | Fcons (selected_frame, Qnil)))); | |
497 | prev_value = assq_no_quit (selection_name, Vselection_alist); | |
498 | ||
499 | Vselection_alist = Fcons (selection_data, Vselection_alist); | |
500 | ||
501 | /* If we already owned the selection, remove the old selection data. | |
502 | Perhaps we should destructively modify it instead. | |
503 | Don't use Fdelq as that may QUIT. */ | |
504 | if (!NILP (prev_value)) | |
505 | { | |
506 | Lisp_Object rest; /* we know it's not the CAR, so it's easy. */ | |
507 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
508 | if (EQ (prev_value, Fcar (XCDR (rest)))) | |
509 | { | |
510 | XSETCDR (rest, Fcdr (XCDR (rest))); | |
511 | break; | |
512 | } | |
513 | } | |
514 | } | |
515 | } | |
516 | \f | |
517 | /* Given a selection-name and desired type, look up our local copy of | |
518 | the selection value and convert it to the type. | |
519 | The value is nil or a string. | |
520 | This function is used both for remote requests (LOCAL_REQUEST is zero) | |
521 | and for local x-get-selection-internal (LOCAL_REQUEST is nonzero). | |
522 | ||
523 | This calls random Lisp code, and may signal or gc. */ | |
524 | ||
525 | static Lisp_Object | |
526 | x_get_local_selection (selection_symbol, target_type, local_request) | |
527 | Lisp_Object selection_symbol, target_type; | |
528 | int local_request; | |
529 | { | |
530 | Lisp_Object local_value; | |
531 | Lisp_Object handler_fn, value, type, check; | |
532 | int count; | |
533 | ||
534 | if (NILP (Fx_selection_owner_p (selection_symbol))) | |
535 | return Qnil; | |
536 | ||
537 | local_value = assq_no_quit (selection_symbol, Vselection_alist); | |
538 | ||
539 | /* TIMESTAMP is a special case 'cause that's easiest. */ | |
540 | if (EQ (target_type, QTIMESTAMP)) | |
541 | { | |
542 | handler_fn = Qnil; | |
543 | value = XCAR (XCDR (XCDR (local_value))); | |
544 | } | |
545 | #if 0 | |
546 | else if (EQ (target_type, QDELETE)) | |
547 | { | |
548 | handler_fn = Qnil; | |
549 | Fx_disown_selection_internal | |
550 | (selection_symbol, | |
551 | XCAR (XCDR (XCDR (local_value)))); | |
552 | value = QNULL; | |
553 | } | |
554 | #endif | |
555 | else | |
556 | { | |
557 | /* Don't allow a quit within the converter. | |
558 | When the user types C-g, he would be surprised | |
559 | if by luck it came during a converter. */ | |
560 | count = SPECPDL_INDEX (); | |
561 | specbind (Qinhibit_quit, Qt); | |
562 | ||
563 | CHECK_SYMBOL (target_type); | |
564 | handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist)); | |
565 | /* gcpro is not needed here since nothing but HANDLER_FN | |
566 | is live, and that ought to be a symbol. */ | |
567 | ||
568 | if (!NILP (handler_fn)) | |
569 | value = call3 (handler_fn, | |
570 | selection_symbol, (local_request ? Qnil : target_type), | |
571 | XCAR (XCDR (local_value))); | |
572 | else | |
573 | value = Qnil; | |
574 | unbind_to (count, Qnil); | |
575 | } | |
576 | ||
577 | /* Make sure this value is of a type that we could transmit | |
578 | to another X client. */ | |
579 | ||
580 | check = value; | |
581 | if (CONSP (value) | |
582 | && SYMBOLP (XCAR (value))) | |
583 | type = XCAR (value), | |
584 | check = XCDR (value); | |
585 | ||
586 | if (STRINGP (check) | |
587 | || VECTORP (check) | |
588 | || SYMBOLP (check) | |
589 | || INTEGERP (check) | |
590 | || NILP (value)) | |
591 | return value; | |
592 | /* Check for a value that cons_to_long could handle. */ | |
593 | else if (CONSP (check) | |
594 | && INTEGERP (XCAR (check)) | |
595 | && (INTEGERP (XCDR (check)) | |
596 | || | |
597 | (CONSP (XCDR (check)) | |
598 | && INTEGERP (XCAR (XCDR (check))) | |
599 | && NILP (XCDR (XCDR (check)))))) | |
600 | return value; | |
4ae7943d KS |
601 | |
602 | signal_error ("Invalid data returned by selection-conversion function", | |
603 | list2 (handler_fn, value)); | |
944cda79 YM |
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 | { | |
31f93085 | 678 | OSStatus err; |
944cda79 YM |
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) | |
961bf590 YM |
686 | { |
687 | if (EQ (target_type, QTARGETS)) | |
688 | { | |
689 | result = get_scrap_target_type_list (scrap); | |
690 | result = Fvconcat (1, &result); | |
691 | } | |
692 | else | |
693 | { | |
694 | result = get_scrap_string (scrap, target_type); | |
695 | if (STRINGP (result)) | |
696 | Fput_text_property (make_number (0), make_number (SBYTES (result)), | |
697 | Qforeign_selection, target_type, result); | |
698 | } | |
699 | } | |
944cda79 YM |
700 | |
701 | UNBLOCK_INPUT; | |
702 | ||
703 | return result; | |
704 | } | |
705 | ||
706 | ||
707 | DEFUN ("x-own-selection-internal", Fx_own_selection_internal, | |
708 | Sx_own_selection_internal, 2, 2, 0, | |
709 | doc: /* Assert a selection of the given TYPE with the given VALUE. | |
710 | TYPE is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
711 | VALUE is typically a string, or a cons of two markers, but may be | |
712 | anything that the functions on `selection-converter-alist' know about. */) | |
713 | (selection_name, selection_value) | |
714 | Lisp_Object selection_name, selection_value; | |
715 | { | |
716 | check_mac (); | |
717 | CHECK_SYMBOL (selection_name); | |
99f963e4 | 718 | if (NILP (selection_value)) error ("SELECTION-VALUE may not be nil"); |
944cda79 YM |
719 | x_own_selection (selection_name, selection_value); |
720 | return selection_value; | |
721 | } | |
722 | ||
723 | ||
724 | /* Request the selection value from the owner. If we are the owner, | |
725 | simply return our selection value. If we are not the owner, this | |
726 | will block until all of the data has arrived. */ | |
727 | ||
728 | DEFUN ("x-get-selection-internal", Fx_get_selection_internal, | |
729 | Sx_get_selection_internal, 2, 3, 0, | |
99f963e4 | 730 | doc: /* Return text selected from some Mac application. |
944cda79 YM |
731 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'. |
732 | TYPE is the type of data desired, typically `STRING'. | |
733 | TIME_STAMP is ignored on Mac. */) | |
99f963e4 | 734 | (selection_symbol, target_type, time_stamp) |
944cda79 YM |
735 | Lisp_Object selection_symbol, target_type, time_stamp; |
736 | { | |
737 | Lisp_Object val = Qnil; | |
738 | struct gcpro gcpro1, gcpro2; | |
739 | GCPRO2 (target_type, val); /* we store newly consed data into these */ | |
740 | check_mac (); | |
741 | CHECK_SYMBOL (selection_symbol); | |
742 | CHECK_SYMBOL (target_type); | |
743 | ||
744 | val = x_get_local_selection (selection_symbol, target_type, 1); | |
745 | ||
746 | if (NILP (val)) | |
747 | { | |
748 | val = x_get_foreign_selection (selection_symbol, target_type, time_stamp); | |
749 | goto DONE; | |
750 | } | |
751 | ||
752 | if (CONSP (val) | |
753 | && SYMBOLP (XCAR (val))) | |
754 | { | |
755 | val = XCDR (val); | |
756 | if (CONSP (val) && NILP (XCDR (val))) | |
757 | val = XCAR (val); | |
758 | } | |
759 | DONE: | |
760 | UNGCPRO; | |
761 | return val; | |
762 | } | |
763 | ||
764 | DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal, | |
765 | Sx_disown_selection_internal, 1, 2, 0, | |
766 | doc: /* If we own the selection SELECTION, disown it. | |
767 | Disowning it means there is no such selection. */) | |
768 | (selection, time) | |
769 | Lisp_Object selection; | |
770 | Lisp_Object time; | |
771 | { | |
31f93085 | 772 | OSStatus err; |
944cda79 YM |
773 | ScrapRef scrap; |
774 | Lisp_Object local_selection_data; | |
775 | ||
776 | check_mac (); | |
777 | CHECK_SYMBOL (selection); | |
778 | ||
779 | if (NILP (Fx_selection_owner_p (selection))) | |
780 | return Qnil; /* Don't disown the selection when we're not the owner. */ | |
781 | ||
782 | local_selection_data = assq_no_quit (selection, Vselection_alist); | |
783 | ||
784 | /* Don't use Fdelq as that may QUIT;. */ | |
785 | ||
786 | if (EQ (local_selection_data, Fcar (Vselection_alist))) | |
787 | Vselection_alist = Fcdr (Vselection_alist); | |
788 | else | |
789 | { | |
790 | Lisp_Object rest; | |
791 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
792 | if (EQ (local_selection_data, Fcar (XCDR (rest)))) | |
793 | { | |
794 | XSETCDR (rest, Fcdr (XCDR (rest))); | |
795 | break; | |
796 | } | |
797 | } | |
798 | ||
799 | /* Let random lisp code notice that the selection has been stolen. */ | |
800 | ||
801 | { | |
802 | Lisp_Object rest; | |
803 | rest = Vx_lost_selection_functions; | |
804 | if (!EQ (rest, Qunbound)) | |
805 | { | |
806 | for (; CONSP (rest); rest = Fcdr (rest)) | |
807 | call1 (Fcar (rest), selection); | |
808 | prepare_menu_bars (); | |
809 | redisplay_preserve_echo_area (20); | |
810 | } | |
811 | } | |
812 | ||
813 | BLOCK_INPUT; | |
814 | ||
815 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
816 | if (err == noErr && scrap) | |
817 | clear_scrap (&scrap); | |
818 | ||
819 | UNBLOCK_INPUT; | |
820 | ||
821 | return Qt; | |
822 | } | |
823 | ||
824 | ||
825 | DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p, | |
826 | 0, 1, 0, | |
99f963e4 | 827 | doc: /* Whether the current Emacs process owns the given SELECTION. |
944cda79 YM |
828 | The arg should be the name of the selection in question, typically one of |
829 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
830 | For convenience, the symbol nil is the same as `PRIMARY', | |
831 | and t is the same as `SECONDARY'. */) | |
832 | (selection) | |
833 | Lisp_Object selection; | |
834 | { | |
31f93085 | 835 | OSStatus err; |
944cda79 YM |
836 | ScrapRef scrap; |
837 | Lisp_Object result = Qnil, local_selection_data; | |
838 | ||
839 | check_mac (); | |
840 | CHECK_SYMBOL (selection); | |
841 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
842 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
843 | ||
844 | local_selection_data = assq_no_quit (selection, Vselection_alist); | |
845 | ||
846 | if (NILP (local_selection_data)) | |
847 | return Qnil; | |
848 | ||
849 | BLOCK_INPUT; | |
850 | ||
851 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
852 | if (err == noErr && scrap) | |
853 | { | |
854 | unsigned long timestamp; | |
855 | ||
856 | err = get_scrap_private_timestamp (scrap, ×tamp); | |
857 | if (err == noErr | |
858 | && (timestamp | |
859 | == cons_to_long (XCAR (XCDR (XCDR (local_selection_data)))))) | |
860 | result = Qt; | |
861 | } | |
862 | else | |
863 | result = Qt; | |
864 | ||
865 | UNBLOCK_INPUT; | |
866 | ||
867 | return result; | |
868 | } | |
869 | ||
870 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
871 | 0, 1, 0, | |
99f963e4 | 872 | doc: /* Whether there is an owner for the given SELECTION. |
944cda79 YM |
873 | The arg should be the name of the selection in question, typically one of |
874 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
875 | For convenience, the symbol nil is the same as `PRIMARY', | |
876 | and t is the same as `SECONDARY'. */) | |
877 | (selection) | |
878 | Lisp_Object selection; | |
879 | { | |
31f93085 | 880 | OSStatus err; |
944cda79 YM |
881 | ScrapRef scrap; |
882 | Lisp_Object result = Qnil, rest; | |
883 | ||
884 | /* It should be safe to call this before we have an Mac frame. */ | |
885 | if (! FRAME_MAC_P (SELECTED_FRAME ())) | |
886 | return Qnil; | |
887 | ||
888 | CHECK_SYMBOL (selection); | |
889 | if (!NILP (Fx_selection_owner_p (selection))) | |
890 | return Qt; | |
891 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
892 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
893 | ||
894 | BLOCK_INPUT; | |
895 | ||
896 | err = get_scrap_from_symbol (selection, 0, &scrap); | |
897 | if (err == noErr && scrap) | |
898 | for (rest = Vselection_converter_alist; CONSP (rest); rest = XCDR (rest)) | |
899 | { | |
900 | if (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))) | |
901 | && scrap_has_target_type (scrap, XCAR (XCAR (rest)))) | |
902 | { | |
903 | result = Qt; | |
904 | break; | |
905 | } | |
906 | } | |
907 | ||
908 | UNBLOCK_INPUT; | |
909 | ||
910 | return result; | |
911 | } | |
912 | ||
913 | \f | |
0ffd2c76 YM |
914 | /*********************************************************************** |
915 | Apple event support | |
916 | ***********************************************************************/ | |
28714a27 YM |
917 | int mac_ready_for_apple_events = 0; |
918 | static Lisp_Object Vmac_apple_event_map; | |
919 | static Lisp_Object Qmac_apple_event_class, Qmac_apple_event_id; | |
0ffd2c76 | 920 | static Lisp_Object Qemacs_suspension_id; |
28714a27 | 921 | extern Lisp_Object Qundefined; |
044f1b64 YM |
922 | extern void mac_store_apple_event P_ ((Lisp_Object, Lisp_Object, |
923 | const AEDesc *)); | |
28714a27 YM |
924 | |
925 | struct apple_event_binding | |
926 | { | |
927 | UInt32 code; /* Apple event class or ID. */ | |
928 | Lisp_Object key, binding; | |
929 | }; | |
930 | ||
0ffd2c76 YM |
931 | struct suspended_ae_info |
932 | { | |
933 | UInt32 expiration_tick, suspension_id; | |
934 | AppleEvent apple_event, reply; | |
935 | struct suspended_ae_info *next; | |
936 | }; | |
937 | ||
31f93085 | 938 | /* List of apple events deferred at the startup time. */ |
0ffd2c76 YM |
939 | static struct suspended_ae_info *deferred_apple_events = NULL; |
940 | ||
941 | /* List of suspended apple events, in order of expiration_tick. */ | |
942 | static struct suspended_ae_info *suspended_apple_events = NULL; | |
943 | ||
28714a27 YM |
944 | static void |
945 | find_event_binding_fun (key, binding, args, data) | |
946 | Lisp_Object key, binding, args; | |
947 | void *data; | |
948 | { | |
949 | struct apple_event_binding *event_binding = | |
950 | (struct apple_event_binding *)data; | |
951 | Lisp_Object code_string; | |
952 | ||
953 | if (!SYMBOLP (key)) | |
954 | return; | |
955 | code_string = Fget (key, args); | |
956 | if (STRINGP (code_string) && SBYTES (code_string) == 4 | |
957 | && (EndianU32_BtoN (*((UInt32 *) SDATA (code_string))) | |
958 | == event_binding->code)) | |
959 | { | |
960 | event_binding->key = key; | |
961 | event_binding->binding = binding; | |
962 | } | |
963 | } | |
964 | ||
965 | static void | |
966 | find_event_binding (keymap, event_binding, class_p) | |
967 | Lisp_Object keymap; | |
968 | struct apple_event_binding *event_binding; | |
969 | int class_p; | |
970 | { | |
971 | if (event_binding->code == 0) | |
972 | event_binding->binding = | |
973 | access_keymap (keymap, event_binding->key, 0, 1, 0); | |
974 | else | |
975 | { | |
976 | event_binding->binding = Qnil; | |
977 | map_keymap (keymap, find_event_binding_fun, | |
978 | class_p ? Qmac_apple_event_class : Qmac_apple_event_id, | |
979 | event_binding, 0); | |
980 | } | |
981 | } | |
982 | ||
983 | void | |
984 | mac_find_apple_event_spec (class, id, class_key, id_key, binding) | |
985 | AEEventClass class; | |
986 | AEEventID id; | |
987 | Lisp_Object *class_key, *id_key, *binding; | |
988 | { | |
989 | struct apple_event_binding event_binding; | |
990 | Lisp_Object keymap; | |
991 | ||
992 | *binding = Qnil; | |
993 | ||
994 | keymap = get_keymap (Vmac_apple_event_map, 0, 0); | |
995 | if (NILP (keymap)) | |
996 | return; | |
997 | ||
998 | event_binding.code = class; | |
999 | event_binding.key = *class_key; | |
1000 | event_binding.binding = Qnil; | |
1001 | find_event_binding (keymap, &event_binding, 1); | |
1002 | *class_key = event_binding.key; | |
1003 | keymap = get_keymap (event_binding.binding, 0, 0); | |
1004 | if (NILP (keymap)) | |
1005 | return; | |
1006 | ||
1007 | event_binding.code = id; | |
1008 | event_binding.key = *id_key; | |
1009 | event_binding.binding = Qnil; | |
1010 | find_event_binding (keymap, &event_binding, 0); | |
1011 | *id_key = event_binding.key; | |
1012 | *binding = event_binding.binding; | |
1013 | } | |
1014 | ||
1015 | static OSErr | |
1016 | defer_apple_events (apple_event, reply) | |
1017 | const AppleEvent *apple_event, *reply; | |
1018 | { | |
1019 | OSErr err; | |
0ffd2c76 YM |
1020 | struct suspended_ae_info *new; |
1021 | ||
1022 | new = xmalloc (sizeof (struct suspended_ae_info)); | |
1023 | bzero (new, sizeof (struct suspended_ae_info)); | |
1024 | new->apple_event.descriptorType = typeNull; | |
1025 | new->reply.descriptorType = typeNull; | |
28714a27 YM |
1026 | |
1027 | err = AESuspendTheCurrentEvent (apple_event); | |
1028 | ||
1029 | /* Mac OS 10.3 Xcode manual says AESuspendTheCurrentEvent makes | |
1030 | copies of the Apple event and the reply, but Mac OS 10.4 Xcode | |
1031 | manual says it doesn't. Anyway we create copies of them and save | |
961bf590 | 1032 | them in `deferred_apple_events'. */ |
0ffd2c76 YM |
1033 | if (err == noErr) |
1034 | err = AEDuplicateDesc (apple_event, &new->apple_event); | |
1035 | if (err == noErr) | |
1036 | err = AEDuplicateDesc (reply, &new->reply); | |
28714a27 YM |
1037 | if (err == noErr) |
1038 | { | |
0ffd2c76 YM |
1039 | new->next = deferred_apple_events; |
1040 | deferred_apple_events = new; | |
1041 | } | |
1042 | else | |
1043 | { | |
1044 | AEDisposeDesc (&new->apple_event); | |
1045 | AEDisposeDesc (&new->reply); | |
1046 | xfree (new); | |
1047 | } | |
1048 | ||
1049 | return err; | |
1050 | } | |
1051 | ||
1052 | static OSErr | |
1053 | mac_handle_apple_event_1 (class, id, apple_event, reply) | |
1054 | Lisp_Object class, id; | |
1055 | const AppleEvent *apple_event; | |
1056 | AppleEvent *reply; | |
1057 | { | |
1058 | OSErr err; | |
1059 | static UInt32 suspension_id = 0; | |
1060 | struct suspended_ae_info *new; | |
1061 | ||
1062 | new = xmalloc (sizeof (struct suspended_ae_info)); | |
1063 | bzero (new, sizeof (struct suspended_ae_info)); | |
1064 | new->apple_event.descriptorType = typeNull; | |
1065 | new->reply.descriptorType = typeNull; | |
1066 | ||
1067 | err = AESuspendTheCurrentEvent (apple_event); | |
1068 | if (err == noErr) | |
1069 | err = AEDuplicateDesc (apple_event, &new->apple_event); | |
1070 | if (err == noErr) | |
1071 | err = AEDuplicateDesc (reply, &new->reply); | |
1072 | if (err == noErr) | |
1073 | err = AEPutAttributePtr (&new->apple_event, KEY_EMACS_SUSPENSION_ID_ATTR, | |
1074 | typeUInt32, &suspension_id, sizeof (UInt32)); | |
1075 | if (err == noErr) | |
1076 | { | |
1077 | OSErr err1; | |
1078 | SInt32 reply_requested; | |
1079 | ||
1080 | err1 = AEGetAttributePtr (&new->apple_event, keyReplyRequestedAttr, | |
1081 | typeSInt32, NULL, &reply_requested, | |
1082 | sizeof (SInt32), NULL); | |
1083 | if (err1 != noErr) | |
28714a27 | 1084 | { |
0ffd2c76 YM |
1085 | /* Emulate keyReplyRequestedAttr in older versions. */ |
1086 | reply_requested = reply->descriptorType != typeNull; | |
1087 | err = AEPutAttributePtr (&new->apple_event, keyReplyRequestedAttr, | |
1088 | typeSInt32, &reply_requested, | |
1089 | sizeof (SInt32)); | |
28714a27 YM |
1090 | } |
1091 | } | |
28714a27 YM |
1092 | if (err == noErr) |
1093 | { | |
0ffd2c76 YM |
1094 | SInt32 timeout = 0; |
1095 | struct suspended_ae_info **p; | |
1096 | ||
1097 | new->suspension_id = suspension_id; | |
1098 | suspension_id++; | |
1099 | err = AEGetAttributePtr (apple_event, keyTimeoutAttr, typeSInt32, | |
1100 | NULL, &timeout, sizeof (SInt32), NULL); | |
1101 | new->expiration_tick = TickCount () + timeout; | |
1102 | ||
1103 | for (p = &suspended_apple_events; *p; p = &(*p)->next) | |
1104 | if ((*p)->expiration_tick >= new->expiration_tick) | |
1105 | break; | |
1106 | new->next = *p; | |
1107 | *p = new; | |
28714a27 | 1108 | |
0ffd2c76 YM |
1109 | mac_store_apple_event (class, id, &new->apple_event); |
1110 | } | |
1111 | else | |
1112 | { | |
1113 | AEDisposeDesc (&new->reply); | |
1114 | AEDisposeDesc (&new->apple_event); | |
1115 | xfree (new); | |
28714a27 YM |
1116 | } |
1117 | ||
1118 | return err; | |
1119 | } | |
1120 | ||
1121 | static pascal OSErr | |
1122 | mac_handle_apple_event (apple_event, reply, refcon) | |
1123 | const AppleEvent *apple_event; | |
1124 | AppleEvent *reply; | |
1125 | SInt32 refcon; | |
1126 | { | |
1127 | OSErr err; | |
0ffd2c76 | 1128 | UInt32 suspension_id; |
28714a27 YM |
1129 | AEEventClass event_class; |
1130 | AEEventID event_id; | |
1131 | Lisp_Object class_key, id_key, binding; | |
1132 | ||
28714a27 YM |
1133 | if (!mac_ready_for_apple_events) |
1134 | { | |
1135 | err = defer_apple_events (apple_event, reply); | |
1136 | if (err != noErr) | |
1137 | return errAEEventNotHandled; | |
1138 | return noErr; | |
1139 | } | |
1140 | ||
0ffd2c76 YM |
1141 | err = AEGetAttributePtr (apple_event, KEY_EMACS_SUSPENSION_ID_ATTR, |
1142 | typeUInt32, NULL, | |
1143 | &suspension_id, sizeof (UInt32), NULL); | |
1144 | if (err == noErr) | |
1145 | /* Previously suspended event. Pass it to the next handler. */ | |
1146 | return errAEEventNotHandled; | |
1147 | ||
28714a27 YM |
1148 | err = AEGetAttributePtr (apple_event, keyEventClassAttr, typeType, NULL, |
1149 | &event_class, sizeof (AEEventClass), NULL); | |
1150 | if (err == noErr) | |
1151 | err = AEGetAttributePtr (apple_event, keyEventIDAttr, typeType, NULL, | |
1152 | &event_id, sizeof (AEEventID), NULL); | |
1153 | if (err == noErr) | |
1154 | { | |
1155 | mac_find_apple_event_spec (event_class, event_id, | |
1156 | &class_key, &id_key, &binding); | |
1157 | if (!NILP (binding) && !EQ (binding, Qundefined)) | |
1158 | { | |
1159 | if (INTEGERP (binding)) | |
1160 | return XINT (binding); | |
0ffd2c76 YM |
1161 | err = mac_handle_apple_event_1 (class_key, id_key, |
1162 | apple_event, reply); | |
28714a27 | 1163 | } |
412f3f18 YM |
1164 | else |
1165 | err = errAEEventNotHandled; | |
28714a27 | 1166 | } |
0ffd2c76 YM |
1167 | if (err == noErr) |
1168 | return noErr; | |
1169 | else | |
1170 | return errAEEventNotHandled; | |
1171 | } | |
1172 | ||
1173 | static int | |
1174 | cleanup_suspended_apple_events (head, all_p) | |
1175 | struct suspended_ae_info **head; | |
1176 | int all_p; | |
1177 | { | |
1178 | UInt32 current_tick = TickCount (), nresumed = 0; | |
1179 | struct suspended_ae_info *p, *next; | |
1180 | ||
1181 | for (p = *head; p; p = next) | |
1182 | { | |
1183 | if (!all_p && p->expiration_tick > current_tick) | |
1184 | break; | |
1185 | AESetTheCurrentEvent (&p->apple_event); | |
1186 | AEResumeTheCurrentEvent (&p->apple_event, &p->reply, | |
1187 | (AEEventHandlerUPP) kAENoDispatch, 0); | |
1188 | AEDisposeDesc (&p->reply); | |
1189 | AEDisposeDesc (&p->apple_event); | |
1190 | nresumed++; | |
1191 | next = p->next; | |
1192 | xfree (p); | |
1193 | } | |
1194 | *head = p; | |
1195 | ||
1196 | return nresumed; | |
1197 | } | |
1198 | ||
1199 | static void | |
1200 | cleanup_all_suspended_apple_events () | |
1201 | { | |
1202 | cleanup_suspended_apple_events (&deferred_apple_events, 1); | |
1203 | cleanup_suspended_apple_events (&suspended_apple_events, 1); | |
28714a27 YM |
1204 | } |
1205 | ||
1206 | void | |
1207 | init_apple_event_handler () | |
1208 | { | |
1209 | OSErr err; | |
1210 | long result; | |
1211 | ||
1212 | /* Make sure we have Apple events before starting. */ | |
1213 | err = Gestalt (gestaltAppleEventsAttr, &result); | |
1214 | if (err != noErr) | |
1215 | abort (); | |
1216 | ||
1217 | if (!(result & (1 << gestaltAppleEventsPresent))) | |
1218 | abort (); | |
1219 | ||
1220 | err = AEInstallEventHandler (typeWildCard, typeWildCard, | |
1221 | #if TARGET_API_MAC_CARBON | |
1222 | NewAEEventHandlerUPP (mac_handle_apple_event), | |
1223 | #else | |
1224 | NewAEEventHandlerProc (mac_handle_apple_event), | |
1225 | #endif | |
1226 | 0L, false); | |
1227 | if (err != noErr) | |
1228 | abort (); | |
0ffd2c76 YM |
1229 | |
1230 | atexit (cleanup_all_suspended_apple_events); | |
28714a27 YM |
1231 | } |
1232 | ||
0ffd2c76 YM |
1233 | static UInt32 |
1234 | get_suspension_id (apple_event) | |
1235 | Lisp_Object apple_event; | |
1236 | { | |
1237 | Lisp_Object tem; | |
1238 | ||
1239 | CHECK_CONS (apple_event); | |
1240 | CHECK_STRING_CAR (apple_event); | |
1241 | if (SBYTES (XCAR (apple_event)) != 4 | |
1242 | || strcmp (SDATA (XCAR (apple_event)), "aevt") != 0) | |
1243 | error ("Not an apple event"); | |
1244 | ||
1245 | tem = assq_no_quit (Qemacs_suspension_id, XCDR (apple_event)); | |
1246 | if (NILP (tem)) | |
1247 | error ("Suspension ID not available"); | |
1248 | ||
1249 | tem = XCDR (tem); | |
1250 | if (!(CONSP (tem) | |
1251 | && STRINGP (XCAR (tem)) && SBYTES (XCAR (tem)) == 4 | |
1252 | && strcmp (SDATA (XCAR (tem)), "magn") == 0 | |
1253 | && STRINGP (XCDR (tem)) && SBYTES (XCDR (tem)) == 4)) | |
1254 | error ("Bad suspension ID format"); | |
1255 | ||
1256 | return *((UInt32 *) SDATA (XCDR (tem))); | |
1257 | } | |
1258 | ||
1259 | ||
28714a27 YM |
1260 | DEFUN ("mac-process-deferred-apple-events", Fmac_process_deferred_apple_events, Smac_process_deferred_apple_events, 0, 0, 0, |
1261 | doc: /* Process Apple events that are deferred at the startup time. */) | |
1262 | () | |
1263 | { | |
28714a27 YM |
1264 | if (mac_ready_for_apple_events) |
1265 | return Qnil; | |
1266 | ||
1267 | BLOCK_INPUT; | |
1268 | mac_ready_for_apple_events = 1; | |
0ffd2c76 | 1269 | if (deferred_apple_events) |
28714a27 | 1270 | { |
0ffd2c76 YM |
1271 | struct suspended_ae_info *prev, *tail, *next; |
1272 | ||
1273 | /* `nreverse' deferred_apple_events. */ | |
1274 | prev = NULL; | |
1275 | for (tail = deferred_apple_events; tail; tail = next) | |
28714a27 | 1276 | { |
0ffd2c76 YM |
1277 | next = tail->next; |
1278 | tail->next = prev; | |
1279 | prev = tail; | |
1280 | } | |
1281 | ||
1282 | /* Now `prev' points to the first cell. */ | |
1283 | for (tail = prev; tail; tail = next) | |
1284 | { | |
1285 | next = tail->next; | |
1286 | AEResumeTheCurrentEvent (&tail->apple_event, &tail->reply, | |
28714a27 YM |
1287 | ((AEEventHandlerUPP) |
1288 | kAEUseStandardDispatch), 0); | |
0ffd2c76 YM |
1289 | AEDisposeDesc (&tail->reply); |
1290 | AEDisposeDesc (&tail->apple_event); | |
1291 | xfree (tail); | |
28714a27 | 1292 | } |
28714a27 | 1293 | |
0ffd2c76 YM |
1294 | deferred_apple_events = NULL; |
1295 | } | |
1296 | UNBLOCK_INPUT; | |
1297 | ||
1298 | return Qt; | |
1299 | } | |
1300 | ||
1301 | DEFUN ("mac-cleanup-expired-apple-events", Fmac_cleanup_expired_apple_events, Smac_cleanup_expired_apple_events, 0, 0, 0, | |
1302 | doc: /* Clean up expired Apple events. | |
1303 | Return the number of expired events. */) | |
1304 | () | |
1305 | { | |
1306 | int nexpired; | |
1307 | ||
1308 | BLOCK_INPUT; | |
1309 | nexpired = cleanup_suspended_apple_events (&suspended_apple_events, 0); | |
1310 | UNBLOCK_INPUT; | |
1311 | ||
1312 | return make_number (nexpired); | |
1313 | } | |
1314 | ||
1315 | DEFUN ("mac-ae-set-reply-parameter", Fmac_ae_set_reply_parameter, Smac_ae_set_reply_parameter, 3, 3, 0, | |
1316 | doc: /* Set parameter KEYWORD to DESCRIPTOR on reply of APPLE-EVENT. | |
1317 | KEYWORD is a 4-byte string. DESCRIPTOR is a Lisp representation of an | |
1318 | Apple event descriptor. It has the form of (TYPE . DATA), where TYPE | |
1319 | is a 4-byte string. Valid format of DATA is as follows: | |
1320 | ||
1321 | * If TYPE is "null", then DATA is nil. | |
1322 | * If TYPE is "list", then DATA is a list (DESCRIPTOR1 ... DESCRIPTORn). | |
1323 | * If TYPE is "reco", then DATA is a list ((KEYWORD1 . DESCRIPTOR1) | |
1324 | ... (KEYWORDn . DESCRIPTORn)). | |
1325 | * If TYPE is "aevt", then DATA is ignored and the descriptor is | |
1326 | treated as null. | |
1327 | * Otherwise, DATA is a string. | |
1328 | ||
1329 | If a (sub-)descriptor is in an invalid format, it is silently treated | |
1330 | as null. | |
1331 | ||
1332 | Return t if the parameter is successfully set. Otherwise return nil. */) | |
1333 | (apple_event, keyword, descriptor) | |
1334 | Lisp_Object apple_event, keyword, descriptor; | |
1335 | { | |
1336 | Lisp_Object result = Qnil; | |
1337 | UInt32 suspension_id; | |
1338 | struct suspended_ae_info *p; | |
1339 | ||
1340 | suspension_id = get_suspension_id (apple_event); | |
1341 | ||
1342 | CHECK_STRING (keyword); | |
1343 | if (SBYTES (keyword) != 4) | |
1344 | error ("Apple event keyword must be a 4-byte string: %s", | |
1345 | SDATA (keyword)); | |
1346 | ||
1347 | BLOCK_INPUT; | |
1348 | for (p = suspended_apple_events; p; p = p->next) | |
1349 | if (p->suspension_id == suspension_id) | |
1350 | break; | |
1351 | if (p && p->reply.descriptorType != typeNull) | |
1352 | { | |
1353 | OSErr err; | |
1354 | ||
1355 | err = mac_ae_put_lisp (&p->reply, | |
1356 | EndianU32_BtoN (*((UInt32 *) SDATA (keyword))), | |
1357 | descriptor); | |
1358 | if (err == noErr) | |
1359 | result = Qt; | |
1360 | } | |
1361 | UNBLOCK_INPUT; | |
1362 | ||
1363 | return result; | |
1364 | } | |
1365 | ||
1366 | DEFUN ("mac-resume-apple-event", Fmac_resume_apple_event, Smac_resume_apple_event, 1, 2, 0, | |
1367 | doc: /* Resume handling of APPLE-EVENT. | |
1368 | Every Apple event handled by the Lisp interpreter is suspended first. | |
1369 | This function resumes such a suspended event either to complete Apple | |
1370 | event handling to give a reply, or to redispatch it to other handlers. | |
1371 | ||
1372 | If optional ERROR-CODE is an integer, it specifies the error number | |
1373 | that is set in the reply. If ERROR-CODE is t, the resumed event is | |
1374 | handled with the standard dispatching mechanism, but it is not handled | |
1375 | by Emacs again, thus it is redispatched to other handlers. | |
1376 | ||
1377 | Return t if APPLE-EVENT is successfully resumed. Otherwise return | |
1378 | nil, which means the event is already resumed or expired. */) | |
1379 | (apple_event, error_code) | |
1380 | Lisp_Object apple_event, error_code; | |
1381 | { | |
1382 | Lisp_Object result = Qnil; | |
1383 | UInt32 suspension_id; | |
1384 | struct suspended_ae_info **p, *ae; | |
1385 | ||
1386 | suspension_id = get_suspension_id (apple_event); | |
1387 | ||
1388 | BLOCK_INPUT; | |
1389 | for (p = &suspended_apple_events; *p; p = &(*p)->next) | |
1390 | if ((*p)->suspension_id == suspension_id) | |
1391 | break; | |
1392 | if (*p) | |
1393 | { | |
1394 | ae = *p; | |
1395 | *p = (*p)->next; | |
1396 | if (INTEGERP (error_code) | |
bd619af5 | 1397 | && ae->reply.descriptorType != typeNull) |
0ffd2c76 YM |
1398 | { |
1399 | SInt32 errn = XINT (error_code); | |
1400 | ||
1401 | AEPutParamPtr (&ae->reply, keyErrorNumber, typeSInt32, | |
1402 | &errn, sizeof (SInt32)); | |
1403 | } | |
1404 | AESetTheCurrentEvent (&ae->apple_event); | |
1405 | AEResumeTheCurrentEvent (&ae->apple_event, &ae->reply, | |
1406 | ((AEEventHandlerUPP) | |
1407 | (EQ (error_code, Qt) ? | |
1408 | kAEUseStandardDispatch : kAENoDispatch)), | |
1409 | 0); | |
1410 | AEDisposeDesc (&ae->reply); | |
1411 | AEDisposeDesc (&ae->apple_event); | |
1412 | xfree (ae); | |
28714a27 YM |
1413 | result = Qt; |
1414 | } | |
1415 | UNBLOCK_INPUT; | |
1416 | ||
1417 | return result; | |
1418 | } | |
1419 | ||
1420 | \f | |
0ffd2c76 YM |
1421 | /*********************************************************************** |
1422 | Drag and drop support | |
1423 | ***********************************************************************/ | |
044f1b64 YM |
1424 | #if TARGET_API_MAC_CARBON |
1425 | static Lisp_Object Vmac_dnd_known_types; | |
1426 | static pascal OSErr mac_do_track_drag P_ ((DragTrackingMessage, WindowRef, | |
1427 | void *, DragRef)); | |
1428 | static pascal OSErr mac_do_receive_drag P_ ((WindowRef, void *, DragRef)); | |
1429 | static DragTrackingHandlerUPP mac_do_track_dragUPP = NULL; | |
1430 | static DragReceiveHandlerUPP mac_do_receive_dragUPP = NULL; | |
1431 | ||
1432 | extern void mac_store_drag_event P_ ((WindowRef, Point, SInt16, | |
1433 | const AEDesc *)); | |
1434 | ||
1435 | static pascal OSErr | |
1436 | mac_do_track_drag (message, window, refcon, drag) | |
1437 | DragTrackingMessage message; | |
1438 | WindowRef window; | |
1439 | void *refcon; | |
1440 | DragRef drag; | |
1441 | { | |
1442 | OSErr err = noErr; | |
1443 | static int can_accept; | |
1444 | UInt16 num_items, index; | |
1445 | ||
1446 | if (GetFrontWindowOfClass (kMovableModalWindowClass, false)) | |
1447 | return dragNotAcceptedErr; | |
1448 | ||
1449 | switch (message) | |
1450 | { | |
1451 | case kDragTrackingEnterHandler: | |
1452 | err = CountDragItems (drag, &num_items); | |
1453 | if (err != noErr) | |
1454 | break; | |
1455 | can_accept = 0; | |
1456 | for (index = 1; index <= num_items; index++) | |
1457 | { | |
1458 | ItemReference item; | |
1459 | FlavorFlags flags; | |
1460 | Lisp_Object rest; | |
1461 | ||
1462 | err = GetDragItemReferenceNumber (drag, index, &item); | |
1463 | if (err != noErr) | |
1464 | continue; | |
1465 | for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest)) | |
1466 | { | |
1467 | Lisp_Object str; | |
1468 | FlavorType type; | |
1469 | ||
1470 | str = XCAR (rest); | |
1471 | if (!(STRINGP (str) && SBYTES (str) == 4)) | |
1472 | continue; | |
1473 | type = EndianU32_BtoN (*((UInt32 *) SDATA (str))); | |
1474 | ||
1475 | err = GetFlavorFlags (drag, item, type, &flags); | |
1476 | if (err == noErr) | |
1477 | { | |
1478 | can_accept = 1; | |
1479 | break; | |
1480 | } | |
1481 | } | |
1482 | } | |
1483 | break; | |
1484 | ||
1485 | case kDragTrackingEnterWindow: | |
1486 | if (can_accept) | |
1487 | { | |
1488 | RgnHandle hilite_rgn = NewRgn (); | |
1489 | ||
1490 | if (hilite_rgn) | |
1491 | { | |
1492 | Rect r; | |
1493 | ||
1494 | GetWindowPortBounds (window, &r); | |
1495 | OffsetRect (&r, -r.left, -r.top); | |
1496 | RectRgn (hilite_rgn, &r); | |
1497 | ShowDragHilite (drag, hilite_rgn, true); | |
1498 | DisposeRgn (hilite_rgn); | |
1499 | } | |
1500 | SetThemeCursor (kThemeCopyArrowCursor); | |
1501 | } | |
1502 | break; | |
1503 | ||
1504 | case kDragTrackingInWindow: | |
1505 | break; | |
1506 | ||
1507 | case kDragTrackingLeaveWindow: | |
1508 | if (can_accept) | |
1509 | { | |
1510 | HideDragHilite (drag); | |
1511 | SetThemeCursor (kThemeArrowCursor); | |
1512 | } | |
1513 | break; | |
1514 | ||
1515 | case kDragTrackingLeaveHandler: | |
1516 | break; | |
1517 | } | |
1518 | ||
1519 | if (err != noErr) | |
1520 | return dragNotAcceptedErr; | |
1521 | return noErr; | |
1522 | } | |
1523 | ||
1524 | static pascal OSErr | |
1525 | mac_do_receive_drag (window, refcon, drag) | |
1526 | WindowRef window; | |
1527 | void *refcon; | |
1528 | DragRef drag; | |
1529 | { | |
1530 | OSErr err; | |
044f1b64 YM |
1531 | int num_types, i; |
1532 | Lisp_Object rest, str; | |
1533 | FlavorType *types; | |
1534 | AppleEvent apple_event; | |
1535 | Point mouse_pos; | |
1536 | SInt16 modifiers; | |
1537 | ||
1538 | if (GetFrontWindowOfClass (kMovableModalWindowClass, false)) | |
1539 | return dragNotAcceptedErr; | |
1540 | ||
1541 | num_types = 0; | |
1542 | for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest)) | |
1543 | { | |
1544 | str = XCAR (rest); | |
1545 | if (STRINGP (str) && SBYTES (str) == 4) | |
1546 | num_types++; | |
1547 | } | |
1548 | ||
1549 | types = xmalloc (sizeof (FlavorType) * num_types); | |
1550 | i = 0; | |
1551 | for (rest = Vmac_dnd_known_types; CONSP (rest); rest = XCDR (rest)) | |
1552 | { | |
1553 | str = XCAR (rest); | |
1554 | if (STRINGP (str) && SBYTES (str) == 4) | |
1555 | types[i++] = EndianU32_BtoN (*((UInt32 *) SDATA (str))); | |
1556 | } | |
1557 | ||
1558 | err = create_apple_event_from_drag_ref (drag, num_types, types, | |
1559 | &apple_event); | |
1560 | xfree (types); | |
1561 | ||
1562 | if (err == noErr) | |
1563 | err = GetDragMouse (drag, &mouse_pos, NULL); | |
1564 | if (err == noErr) | |
1565 | { | |
1566 | GlobalToLocal (&mouse_pos); | |
1567 | err = GetDragModifiers (drag, NULL, NULL, &modifiers); | |
1568 | } | |
0f5c7719 YM |
1569 | if (err == noErr) |
1570 | { | |
1571 | UInt32 key_modifiers = modifiers; | |
1572 | ||
1573 | err = AEPutParamPtr (&apple_event, kEventParamKeyModifiers, | |
1574 | typeUInt32, &key_modifiers, sizeof (UInt32)); | |
1575 | } | |
044f1b64 YM |
1576 | |
1577 | if (err == noErr) | |
1578 | { | |
0f5c7719 | 1579 | mac_store_drag_event (window, mouse_pos, 0, &apple_event); |
044f1b64 | 1580 | AEDisposeDesc (&apple_event); |
ca71dd0e | 1581 | mac_wakeup_from_rne (); |
044f1b64 YM |
1582 | return noErr; |
1583 | } | |
1584 | else | |
1585 | return dragNotAcceptedErr; | |
1586 | } | |
1587 | #endif /* TARGET_API_MAC_CARBON */ | |
1588 | ||
1589 | OSErr | |
1590 | install_drag_handler (window) | |
1591 | WindowRef window; | |
1592 | { | |
1593 | OSErr err = noErr; | |
1594 | ||
1595 | #if TARGET_API_MAC_CARBON | |
1596 | if (mac_do_track_dragUPP == NULL) | |
1597 | mac_do_track_dragUPP = NewDragTrackingHandlerUPP (mac_do_track_drag); | |
1598 | if (mac_do_receive_dragUPP == NULL) | |
1599 | mac_do_receive_dragUPP = NewDragReceiveHandlerUPP (mac_do_receive_drag); | |
1600 | ||
1601 | err = InstallTrackingHandler (mac_do_track_dragUPP, window, NULL); | |
1602 | if (err == noErr) | |
1603 | err = InstallReceiveHandler (mac_do_receive_dragUPP, window, NULL); | |
1604 | #endif | |
1605 | ||
1606 | return err; | |
1607 | } | |
1608 | ||
1609 | void | |
1610 | remove_drag_handler (window) | |
1611 | WindowRef window; | |
1612 | { | |
1613 | #if TARGET_API_MAC_CARBON | |
1614 | if (mac_do_track_dragUPP) | |
1615 | RemoveTrackingHandler (mac_do_track_dragUPP, window); | |
1616 | if (mac_do_receive_dragUPP) | |
1617 | RemoveReceiveHandler (mac_do_receive_dragUPP, window); | |
1618 | #endif | |
1619 | } | |
1620 | ||
1621 | \f | |
0ffd2c76 YM |
1622 | /*********************************************************************** |
1623 | Services menu support | |
1624 | ***********************************************************************/ | |
944cda79 YM |
1625 | #ifdef MAC_OSX |
1626 | void | |
1627 | init_service_handler () | |
1628 | { | |
11e0f755 YM |
1629 | static const EventTypeSpec specs[] = |
1630 | {{kEventClassService, kEventServiceGetTypes}, | |
1631 | {kEventClassService, kEventServiceCopy}, | |
1632 | {kEventClassService, kEventServicePaste}, | |
1633 | {kEventClassService, kEventServicePerform}}; | |
944cda79 YM |
1634 | InstallApplicationEventHandler (NewEventHandlerUPP (mac_handle_service_event), |
1635 | GetEventTypeCount (specs), specs, NULL, NULL); | |
1636 | } | |
1637 | ||
c2e93c82 | 1638 | extern OSStatus mac_store_service_event P_ ((EventRef)); |
28714a27 YM |
1639 | |
1640 | static OSStatus | |
1641 | copy_scrap_flavor_data (from_scrap, to_scrap, flavor_type) | |
1642 | ScrapRef from_scrap, to_scrap; | |
1643 | ScrapFlavorType flavor_type; | |
1644 | { | |
1645 | OSStatus err; | |
1646 | Size size, size_allocated; | |
1647 | char *buf = NULL; | |
1648 | ||
1649 | err = GetScrapFlavorSize (from_scrap, flavor_type, &size); | |
1650 | if (err == noErr) | |
1651 | buf = xmalloc (size); | |
1652 | while (buf) | |
1653 | { | |
1654 | size_allocated = size; | |
1655 | err = GetScrapFlavorData (from_scrap, flavor_type, &size, buf); | |
1656 | if (err != noErr) | |
1657 | { | |
1658 | xfree (buf); | |
1659 | buf = NULL; | |
1660 | } | |
1661 | else if (size_allocated < size) | |
1091c0b3 | 1662 | buf = xrealloc (buf, size); |
28714a27 YM |
1663 | else |
1664 | break; | |
1665 | } | |
1666 | if (err == noErr) | |
961bf590 YM |
1667 | { |
1668 | if (buf == NULL) | |
1669 | err = memFullErr; | |
1670 | else | |
1671 | { | |
1672 | err = PutScrapFlavor (to_scrap, flavor_type, kScrapFlavorMaskNone, | |
1673 | size, buf); | |
1674 | xfree (buf); | |
1675 | } | |
1676 | } | |
28714a27 YM |
1677 | |
1678 | return err; | |
1679 | } | |
944cda79 YM |
1680 | |
1681 | static OSStatus | |
1682 | mac_handle_service_event (call_ref, event, data) | |
1683 | EventHandlerCallRef call_ref; | |
1684 | EventRef event; | |
1685 | void *data; | |
1686 | { | |
1687 | OSStatus err = noErr; | |
28714a27 YM |
1688 | ScrapRef cur_scrap, specific_scrap; |
1689 | UInt32 event_kind = GetEventKind (event); | |
1690 | CFMutableArrayRef copy_types, paste_types; | |
1691 | CFStringRef type; | |
1692 | Lisp_Object rest; | |
1693 | ScrapFlavorType flavor_type; | |
944cda79 | 1694 | |
c2e93c82 | 1695 | /* Check if Vmac_service_selection is a valid selection that has a |
944cda79 | 1696 | corresponding scrap. */ |
c2e93c82 | 1697 | if (!SYMBOLP (Vmac_service_selection)) |
944cda79 YM |
1698 | err = eventNotHandledErr; |
1699 | else | |
c2e93c82 | 1700 | err = get_scrap_from_symbol (Vmac_service_selection, 0, &cur_scrap); |
944cda79 YM |
1701 | if (!(err == noErr && cur_scrap)) |
1702 | return eventNotHandledErr; | |
1703 | ||
28714a27 | 1704 | switch (event_kind) |
944cda79 YM |
1705 | { |
1706 | case kEventServiceGetTypes: | |
28714a27 YM |
1707 | /* Set paste types. */ |
1708 | err = GetEventParameter (event, kEventParamServicePasteTypes, | |
1709 | typeCFMutableArrayRef, NULL, | |
1710 | sizeof (CFMutableArrayRef), NULL, | |
1711 | &paste_types); | |
1712 | if (err != noErr) | |
1713 | break; | |
1714 | ||
1715 | for (rest = Vselection_converter_alist; CONSP (rest); | |
1716 | rest = XCDR (rest)) | |
1717 | if (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))) | |
1718 | && (flavor_type = | |
1719 | get_flavor_type_from_symbol (XCAR (XCAR (rest))))) | |
1720 | { | |
1721 | type = CreateTypeStringWithOSType (flavor_type); | |
1722 | if (type) | |
944cda79 | 1723 | { |
28714a27 YM |
1724 | CFArrayAppendValue (paste_types, type); |
1725 | CFRelease (type); | |
944cda79 | 1726 | } |
28714a27 | 1727 | } |
944cda79 | 1728 | |
28714a27 YM |
1729 | /* Set copy types. */ |
1730 | err = GetEventParameter (event, kEventParamServiceCopyTypes, | |
1731 | typeCFMutableArrayRef, NULL, | |
1732 | sizeof (CFMutableArrayRef), NULL, | |
1733 | ©_types); | |
1734 | if (err != noErr) | |
1735 | break; | |
1736 | ||
c2e93c82 | 1737 | if (NILP (Fx_selection_owner_p (Vmac_service_selection))) |
28714a27 YM |
1738 | break; |
1739 | else | |
1740 | goto copy_all_flavors; | |
944cda79 YM |
1741 | |
1742 | case kEventServiceCopy: | |
28714a27 YM |
1743 | err = GetEventParameter (event, kEventParamScrapRef, |
1744 | typeScrapRef, NULL, | |
1745 | sizeof (ScrapRef), NULL, &specific_scrap); | |
1746 | if (err != noErr | |
c2e93c82 | 1747 | || NILP (Fx_selection_owner_p (Vmac_service_selection))) |
28714a27 | 1748 | { |
944cda79 | 1749 | err = eventNotHandledErr; |
28714a27 YM |
1750 | break; |
1751 | } | |
1752 | ||
1753 | copy_all_flavors: | |
1754 | { | |
1755 | UInt32 count, i; | |
1756 | ScrapFlavorInfo *flavor_info = NULL; | |
1757 | ScrapFlavorFlags flags; | |
1758 | ||
1759 | err = GetScrapFlavorCount (cur_scrap, &count); | |
1760 | if (err == noErr) | |
1761 | flavor_info = xmalloc (sizeof (ScrapFlavorInfo) * count); | |
1091c0b3 YM |
1762 | err = GetScrapFlavorInfoList (cur_scrap, &count, flavor_info); |
1763 | if (err != noErr) | |
28714a27 | 1764 | { |
1091c0b3 YM |
1765 | xfree (flavor_info); |
1766 | flavor_info = NULL; | |
28714a27 YM |
1767 | } |
1768 | if (flavor_info == NULL) | |
1769 | break; | |
1770 | ||
1771 | for (i = 0; i < count; i++) | |
1772 | { | |
1773 | flavor_type = flavor_info[i].flavorType; | |
1774 | err = GetScrapFlavorFlags (cur_scrap, flavor_type, &flags); | |
1775 | if (err == noErr && !(flags & kScrapFlavorMaskSenderOnly)) | |
1776 | { | |
1777 | if (event_kind == kEventServiceCopy) | |
1778 | err = copy_scrap_flavor_data (cur_scrap, specific_scrap, | |
1779 | flavor_type); | |
1780 | else /* event_kind == kEventServiceGetTypes */ | |
1781 | { | |
1782 | type = CreateTypeStringWithOSType (flavor_type); | |
1783 | if (type) | |
1784 | { | |
1785 | CFArrayAppendValue (copy_types, type); | |
1786 | CFRelease (type); | |
1787 | } | |
1788 | } | |
1789 | } | |
1790 | } | |
1791 | xfree (flavor_info); | |
944cda79 YM |
1792 | } |
1793 | break; | |
1794 | ||
1795 | case kEventServicePaste: | |
1796 | case kEventServicePerform: | |
1797 | { | |
944cda79 YM |
1798 | int data_exists_p = 0; |
1799 | ||
1800 | err = GetEventParameter (event, kEventParamScrapRef, typeScrapRef, | |
1801 | NULL, sizeof (ScrapRef), NULL, | |
1802 | &specific_scrap); | |
1803 | if (err == noErr) | |
1804 | err = clear_scrap (&cur_scrap); | |
1805 | if (err == noErr) | |
1806 | for (rest = Vselection_converter_alist; CONSP (rest); | |
1807 | rest = XCDR (rest)) | |
1808 | { | |
1809 | if (! (CONSP (XCAR (rest)) && SYMBOLP (XCAR (XCAR (rest))))) | |
1810 | continue; | |
28714a27 YM |
1811 | flavor_type = get_flavor_type_from_symbol (XCAR (XCAR (rest))); |
1812 | if (flavor_type == 0) | |
1813 | continue; | |
1814 | err = copy_scrap_flavor_data (specific_scrap, cur_scrap, | |
1815 | flavor_type); | |
1816 | if (err == noErr) | |
1817 | data_exists_p = 1; | |
944cda79 | 1818 | } |
28714a27 YM |
1819 | if (!data_exists_p) |
1820 | err = eventNotHandledErr; | |
1821 | else | |
c2e93c82 | 1822 | err = mac_store_service_event (event); |
944cda79 YM |
1823 | } |
1824 | break; | |
1825 | } | |
1826 | ||
28714a27 YM |
1827 | if (err != noErr) |
1828 | err = eventNotHandledErr; | |
944cda79 YM |
1829 | return err; |
1830 | } | |
1831 | #endif | |
1832 | ||
1833 | ||
1834 | void | |
1835 | syms_of_macselect () | |
1836 | { | |
1837 | defsubr (&Sx_get_selection_internal); | |
1838 | defsubr (&Sx_own_selection_internal); | |
1839 | defsubr (&Sx_disown_selection_internal); | |
1840 | defsubr (&Sx_selection_owner_p); | |
1841 | defsubr (&Sx_selection_exists_p); | |
28714a27 | 1842 | defsubr (&Smac_process_deferred_apple_events); |
0ffd2c76 YM |
1843 | defsubr (&Smac_cleanup_expired_apple_events); |
1844 | defsubr (&Smac_resume_apple_event); | |
1845 | defsubr (&Smac_ae_set_reply_parameter); | |
944cda79 YM |
1846 | |
1847 | Vselection_alist = Qnil; | |
1848 | staticpro (&Vselection_alist); | |
1849 | ||
1850 | DEFVAR_LISP ("selection-converter-alist", &Vselection_converter_alist, | |
1851 | doc: /* An alist associating selection-types with functions. | |
1852 | These functions are called to convert the selection, with three args: | |
1853 | the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD'); | |
1854 | a desired type to which the selection should be converted; | |
1855 | and the local selection value (whatever was given to `x-own-selection'). | |
1856 | ||
1857 | The function should return the value to send to the Scrap Manager | |
99f963e4 | 1858 | \(must be a string). A return value of nil |
d18bee72 | 1859 | means that the conversion could not be done. */); |
944cda79 YM |
1860 | Vselection_converter_alist = Qnil; |
1861 | ||
1862 | DEFVAR_LISP ("x-lost-selection-functions", &Vx_lost_selection_functions, | |
1863 | doc: /* A list of functions to be called when Emacs loses a selection. | |
1864 | \(This happens when a Lisp program explicitly clears the selection.) | |
1865 | The functions are called with one argument, the selection type | |
1866 | \(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'). */); | |
1867 | Vx_lost_selection_functions = Qnil; | |
1868 | ||
1869 | DEFVAR_LISP ("selection-coding-system", &Vselection_coding_system, | |
1870 | doc: /* Coding system for communicating with other programs. | |
1871 | When sending or receiving text via cut_buffer, selection, and clipboard, | |
1872 | the text is encoded or decoded by this coding system. | |
1873 | The default value is determined by the system script code. */); | |
1874 | Vselection_coding_system = Qnil; | |
1875 | ||
1876 | DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system, | |
1877 | doc: /* Coding system for the next communication with other programs. | |
1878 | Usually, `selection-coding-system' is used for communicating with | |
1879 | other programs. But, if this variable is set, it is used for the | |
1880 | next communication only. After the communication, this variable is | |
1881 | set to nil. */); | |
1882 | Vnext_selection_coding_system = Qnil; | |
1883 | ||
28714a27 YM |
1884 | DEFVAR_LISP ("mac-apple-event-map", &Vmac_apple_event_map, |
1885 | doc: /* Keymap for Apple events handled by Emacs. */); | |
4d4983fd | 1886 | Vmac_apple_event_map = Qnil; |
28714a27 | 1887 | |
044f1b64 YM |
1888 | #if TARGET_API_MAC_CARBON |
1889 | DEFVAR_LISP ("mac-dnd-known-types", &Vmac_dnd_known_types, | |
1890 | doc: /* The types accepted by default for dropped data. | |
1891 | The types are chosen in the order they appear in the list. */); | |
1892 | Vmac_dnd_known_types = list4 (build_string ("hfs "), build_string ("utxt"), | |
1893 | build_string ("TEXT"), build_string ("TIFF")); | |
1894 | #ifdef MAC_OSX | |
1895 | Vmac_dnd_known_types = Fcons (build_string ("furl"), Vmac_dnd_known_types); | |
1896 | #endif | |
1897 | #endif | |
1898 | ||
3f2bf04a | 1899 | #ifdef MAC_OSX |
c2e93c82 | 1900 | DEFVAR_LISP ("mac-service-selection", &Vmac_service_selection, |
944cda79 | 1901 | doc: /* Selection name for communication via Services menu. */); |
c2e93c82 | 1902 | Vmac_service_selection = intern ("PRIMARY"); |
3f2bf04a | 1903 | #endif |
944cda79 YM |
1904 | |
1905 | QPRIMARY = intern ("PRIMARY"); staticpro (&QPRIMARY); | |
1906 | QSECONDARY = intern ("SECONDARY"); staticpro (&QSECONDARY); | |
1907 | QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP); | |
1908 | QTARGETS = intern ("TARGETS"); staticpro (&QTARGETS); | |
1909 | ||
1910 | Qforeign_selection = intern ("foreign-selection"); | |
1911 | staticpro (&Qforeign_selection); | |
1912 | ||
1913 | Qmac_scrap_name = intern ("mac-scrap-name"); | |
1914 | staticpro (&Qmac_scrap_name); | |
1915 | ||
1916 | Qmac_ostype = intern ("mac-ostype"); | |
1917 | staticpro (&Qmac_ostype); | |
28714a27 YM |
1918 | |
1919 | Qmac_apple_event_class = intern ("mac-apple-event-class"); | |
1920 | staticpro (&Qmac_apple_event_class); | |
1921 | ||
1922 | Qmac_apple_event_id = intern ("mac-apple-event-id"); | |
1923 | staticpro (&Qmac_apple_event_id); | |
0ffd2c76 YM |
1924 | |
1925 | Qemacs_suspension_id = intern ("emacs-suspension-id"); | |
1926 | staticpro (&Qemacs_suspension_id); | |
944cda79 | 1927 | } |
0ed4adfc MB |
1928 | |
1929 | /* arch-tag: f3c91ad8-99e0-4bd6-9eef-251b2f848732 | |
1930 | (do not change this comment) */ |