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