Commit | Line | Data |
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e9e23e23 | 1 | /* Selection processing for Emacs on the Microsoft W32 API. |
ee78dc32 | 2 | Copyright (C) 1993, 1994 Free Software Foundation. |
41a48e45 | 3 | |
3b7ad313 EN |
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 | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
ee78dc32 GV |
20 | |
21 | /* Written by Kevin Gallo */ | |
22 | ||
23 | #include <config.h> | |
24 | #include "lisp.h" | |
fbd6baed | 25 | #include "w32term.h" /* for all of the w32 includes */ |
ee78dc32 | 26 | #include "dispextern.h" /* frame.h seems to want this */ |
3e4731a3 | 27 | #include "keyboard.h" |
ee78dc32 GV |
28 | #include "frame.h" /* Need this to get the X window of selected_frame */ |
29 | #include "blockinput.h" | |
bbb059f3 AI |
30 | #include "buffer.h" |
31 | #include "charset.h" | |
32 | #include "coding.h" | |
f7d05dc4 | 33 | #include "composite.h" |
ee78dc32 | 34 | |
9aa94bd5 KH |
35 | Lisp_Object QCLIPBOARD; |
36 | ||
bbb059f3 AI |
37 | /* Coding system for communicating with other Windows programs via the |
38 | clipboard. */ | |
72aca5fa | 39 | static Lisp_Object Vselection_coding_system; |
bbb059f3 | 40 | |
06466d9a | 41 | /* Coding system for the next communicating with other Windows programs. */ |
93cbf229 GV |
42 | static Lisp_Object Vnext_selection_coding_system; |
43 | ||
ee79d1aa JR |
44 | /* Sequence number, used where possible to detect when we are pasting |
45 | our own text. */ | |
46 | static DWORD last_clipboard_sequence_number; | |
47 | extern ClipboardSequence_Proc clipboard_sequence_fn; | |
48 | ||
49 | /* The last text we put into the clipboard. This is used when the OS | |
50 | does not support sequence numbers (NT4, 95). It is undesirable to | |
51 | use data put on the clipboard by Emacs because the clipboard data | |
06466d9a JR |
52 | could be MULEtilated by inappropriately chosen |
53 | (next-)selection-coding-system. For this reason, we must store the | |
54 | text *after* it was encoded/Unix-to-DOS-converted. */ | |
55 | static unsigned char *last_clipboard_text = NULL; | |
56 | static size_t clipboard_storage_size = 0; | |
57 | ||
ee78dc32 | 58 | #if 0 |
fbd6baed | 59 | DEFUN ("w32-open-clipboard", Fw32_open_clipboard, Sw32_open_clipboard, 0, 1, 0, |
33f09670 | 60 | doc: /* This opens the clipboard with the given frame pointer. */) |
ee78dc32 GV |
61 | (frame) |
62 | Lisp_Object frame; | |
63 | { | |
64 | BOOL ok = FALSE; | |
41a48e45 | 65 | |
ee78dc32 | 66 | if (!NILP (frame)) |
b7826503 | 67 | CHECK_LIVE_FRAME (frame); |
41a48e45 | 68 | |
ee78dc32 | 69 | BLOCK_INPUT; |
41a48e45 | 70 | |
fbd6baed | 71 | ok = OpenClipboard ((!NILP (frame) && FRAME_W32_P (XFRAME (frame))) ? FRAME_W32_WINDOW (XFRAME (frame)) : NULL); |
41a48e45 | 72 | |
ee78dc32 | 73 | UNBLOCK_INPUT; |
41a48e45 | 74 | |
ee78dc32 GV |
75 | return (ok ? frame : Qnil); |
76 | } | |
77 | ||
33f09670 JR |
78 | DEFUN ("w32-empty-clipboard", Fw32_empty_clipboard, |
79 | Sw32_empty_clipboard, 0, 0, 0, | |
80 | doc: /* Empty the clipboard. | |
81 | Assigns ownership of the clipboard to the window which opened it. */) | |
ee78dc32 GV |
82 | () |
83 | { | |
84 | BOOL ok = FALSE; | |
41a48e45 | 85 | |
ee78dc32 | 86 | BLOCK_INPUT; |
41a48e45 | 87 | |
ee78dc32 | 88 | ok = EmptyClipboard (); |
41a48e45 | 89 | |
ee78dc32 | 90 | UNBLOCK_INPUT; |
41a48e45 | 91 | |
ee78dc32 GV |
92 | return (ok ? Qt : Qnil); |
93 | } | |
94 | ||
33f09670 JR |
95 | DEFUN ("w32-close-clipboard", Fw32_close_clipboard, |
96 | Sw32_close_clipboard, 0, 0, 0, | |
97 | doc: /* Close the clipboard. */) | |
ee78dc32 GV |
98 | () |
99 | { | |
100 | BOOL ok = FALSE; | |
41a48e45 | 101 | |
ee78dc32 | 102 | BLOCK_INPUT; |
41a48e45 | 103 | |
ee78dc32 | 104 | ok = CloseClipboard (); |
41a48e45 | 105 | |
ee78dc32 | 106 | UNBLOCK_INPUT; |
41a48e45 | 107 | |
ee78dc32 GV |
108 | return (ok ? Qt : Qnil); |
109 | } | |
110 | ||
111 | #endif | |
112 | ||
33f09670 JR |
113 | DEFUN ("w32-set-clipboard-data", Fw32_set_clipboard_data, |
114 | Sw32_set_clipboard_data, 1, 2, 0, | |
115 | doc: /* This sets the clipboard data to the given text. */) | |
ee78dc32 GV |
116 | (string, frame) |
117 | Lisp_Object string, frame; | |
118 | { | |
119 | BOOL ok = TRUE; | |
120 | HANDLE htext; | |
69cddef0 | 121 | int nbytes; |
0ece9ef6 | 122 | int truelen, nlines = 0; |
69cddef0 GV |
123 | unsigned char *src; |
124 | unsigned char *dst; | |
0ece9ef6 | 125 | |
b7826503 | 126 | CHECK_STRING (string); |
41a48e45 | 127 | |
ee78dc32 | 128 | if (!NILP (frame)) |
b7826503 | 129 | CHECK_LIVE_FRAME (frame); |
41a48e45 | 130 | |
ee78dc32 | 131 | BLOCK_INPUT; |
69cddef0 | 132 | |
4121d612 KH |
133 | /* Include the terminating NULL character in the source of |
134 | conversion. */ | |
d5db4077 KR |
135 | nbytes = SBYTES (string) + 1; |
136 | src = SDATA (string); | |
0ece9ef6 AI |
137 | dst = src; |
138 | ||
139 | /* We need to know how many lines there are, since we need CRLF line | |
140 | termination for compatibility with other Windows Programs. | |
141 | avoid using strchr because it recomputes the length every time */ | |
142 | while ((dst = memchr (dst, '\n', nbytes - (dst - src))) != NULL) | |
143 | { | |
144 | nlines++; | |
145 | dst++; | |
146 | } | |
69cddef0 | 147 | |
bbb059f3 AI |
148 | { |
149 | /* Since we are now handling multilingual text, we must consider | |
150 | encoding text for the clipboard. */ | |
d5db4077 | 151 | int charset_info = find_charset_in_text (src, SCHARS (string), |
11f292ed | 152 | nbytes, NULL, Qnil); |
bbb059f3 | 153 | |
69ebbf81 | 154 | if (charset_info == 0) |
bbb059f3 AI |
155 | { |
156 | /* No multibyte character in OBJ. We need not encode it. */ | |
69cddef0 | 157 | |
c0ca703b | 158 | /* Need to know final size after CR chars are inserted (the |
bbb059f3 | 159 | standard CF_TEXT clipboard format uses CRLF line endings, |
c0ca703b | 160 | while Emacs uses just LF internally). */ |
69cddef0 | 161 | |
0ece9ef6 | 162 | truelen = nbytes + nlines; |
69cddef0 | 163 | |
bbb059f3 AI |
164 | if ((htext = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, truelen)) == NULL) |
165 | goto error; | |
166 | ||
167 | if ((dst = (unsigned char *) GlobalLock (htext)) == NULL) | |
168 | goto error; | |
41a48e45 | 169 | |
bbb059f3 AI |
170 | /* convert to CRLF line endings expected by clipboard */ |
171 | while (1) | |
172 | { | |
173 | unsigned char *next; | |
174 | /* copy next line or remaining bytes including '\0' */ | |
175 | next = _memccpy (dst, src, '\n', nbytes); | |
176 | if (next) | |
177 | { | |
178 | /* copied one line ending with '\n' */ | |
179 | int copied = next - dst; | |
180 | nbytes -= copied; | |
181 | src += copied; | |
182 | /* insert '\r' before '\n' */ | |
183 | next[-1] = '\r'; | |
184 | next[0] = '\n'; | |
185 | dst = next + 1; | |
41a48e45 | 186 | } |
bbb059f3 AI |
187 | else |
188 | /* copied remaining partial line -> now finished */ | |
189 | break; | |
190 | } | |
41a48e45 | 191 | |
bbb059f3 | 192 | GlobalUnlock (htext); |
0108f679 AI |
193 | |
194 | Vlast_coding_system_used = Qraw_text; | |
bbb059f3 AI |
195 | } |
196 | else | |
197 | { | |
06466d9a JR |
198 | /* We must encode contents of OBJ to the selection coding |
199 | system. */ | |
bbb059f3 AI |
200 | int bufsize; |
201 | struct coding_system coding; | |
202 | HANDLE htext2; | |
203 | ||
93cbf229 GV |
204 | if (NILP (Vnext_selection_coding_system)) |
205 | Vnext_selection_coding_system = Vselection_coding_system; | |
bbb059f3 | 206 | setup_coding_system |
93cbf229 | 207 | (Fcheck_coding_system (Vnext_selection_coding_system), &coding); |
aab7e392 JR |
208 | if (SYMBOLP (coding.pre_write_conversion) |
209 | && !NILP (Ffboundp (coding.pre_write_conversion))) | |
210 | { | |
211 | string = run_pre_post_conversion_on_str (string, &coding, 1); | |
d5db4077 | 212 | src = SDATA (string); |
4121d612 KH |
213 | /* Include the terminating NULL character in the source of |
214 | conversion. */ | |
215 | nbytes = SBYTES (string) + 1; | |
aab7e392 | 216 | } |
69ebbf81 KH |
217 | coding.src_multibyte = 1; |
218 | coding.dst_multibyte = 0; | |
2883d842 JR |
219 | /* Need to set COMPOSITION_DISABLED, otherwise Emacs crashes in |
220 | encode_coding_iso2022 trying to dereference a null pointer. */ | |
221 | coding.composing = COMPOSITION_DISABLED; | |
222 | if (coding.type == coding_type_iso2022) | |
223 | coding.flags |= CODING_FLAG_ISO_SAFE; | |
93cbf229 | 224 | Vnext_selection_coding_system = Qnil; |
bbb059f3 | 225 | coding.mode |= CODING_MODE_LAST_BLOCK; |
43df7d0b | 226 | bufsize = encoding_buffer_size (&coding, nbytes); |
bbb059f3 AI |
227 | if ((htext = GlobalAlloc (GMEM_MOVEABLE | GMEM_DDESHARE, bufsize)) == NULL) |
228 | goto error; | |
229 | if ((dst = (unsigned char *) GlobalLock (htext)) == NULL) | |
230 | goto error; | |
231 | encode_coding (&coding, src, dst, nbytes, bufsize); | |
0108f679 | 232 | Vlast_coding_system_used = coding.symbol; |
06466d9a | 233 | |
ee79d1aa JR |
234 | /* If clipboard sequence numbers are not supported, keep a copy for |
235 | later comparison. */ | |
236 | if (!clipboard_sequence_fn) | |
237 | { | |
238 | /* Stash away the data we are about to put into the | |
239 | clipboard, so we could later check inside | |
240 | Fw32_get_clipboard_data whether the clipboard still | |
241 | holds our data. */ | |
242 | if (clipboard_storage_size < coding.produced) | |
243 | { | |
244 | clipboard_storage_size = coding.produced + 100; | |
245 | last_clipboard_text = (char *) xrealloc (last_clipboard_text, | |
246 | clipboard_storage_size); | |
247 | } | |
248 | if (last_clipboard_text) | |
249 | memcpy (last_clipboard_text, dst, coding.produced); | |
250 | } | |
06466d9a | 251 | |
bbb059f3 | 252 | GlobalUnlock (htext); |
06466d9a | 253 | |
bbb059f3 | 254 | /* Shrink data block to actual size. */ |
06466d9a JR |
255 | htext2 = GlobalReAlloc (htext, coding.produced, |
256 | GMEM_MOVEABLE | GMEM_DDESHARE); | |
bbb059f3 AI |
257 | if (htext2 != NULL) htext = htext2; |
258 | } | |
259 | } | |
41a48e45 | 260 | |
fbd6baed | 261 | if (!OpenClipboard ((!NILP (frame) && FRAME_W32_P (XFRAME (frame))) ? FRAME_W32_WINDOW (XFRAME (frame)) : NULL)) |
ee78dc32 | 262 | goto error; |
06466d9a | 263 | |
ee78dc32 | 264 | ok = EmptyClipboard () && SetClipboardData (CF_TEXT, htext); |
41a48e45 | 265 | |
6383ca22 JR |
266 | CloseClipboard (); |
267 | ||
268 | /* Common sense says to read the sequence number inside the | |
269 | OpenClipboard/ CloseClipboard block to avoid race conditions | |
270 | where another app puts something on the clipboard straight after | |
271 | us. But experience suggests that the sequence number from the | |
272 | SetClipboardData is not allocated until we close the clipboard! | |
273 | Since clipboard operations are normally user-driven, the race | |
274 | condition is probably not going to really happen. */ | |
ee79d1aa JR |
275 | if (clipboard_sequence_fn) |
276 | last_clipboard_sequence_number = clipboard_sequence_fn (); | |
277 | ||
ee78dc32 GV |
278 | if (ok) goto done; |
279 | ||
280 | error: | |
41a48e45 | 281 | |
ee78dc32 GV |
282 | ok = FALSE; |
283 | if (htext) GlobalFree (htext); | |
06466d9a JR |
284 | if (last_clipboard_text) |
285 | *last_clipboard_text = '\0'; | |
286 | ||
ee79d1aa JR |
287 | last_clipboard_sequence_number = 0; |
288 | ||
ee78dc32 GV |
289 | done: |
290 | UNBLOCK_INPUT; | |
41a48e45 | 291 | |
ee78dc32 GV |
292 | return (ok ? string : Qnil); |
293 | } | |
294 | ||
33f09670 JR |
295 | DEFUN ("w32-get-clipboard-data", Fw32_get_clipboard_data, |
296 | Sw32_get_clipboard_data, 0, 1, 0, | |
297 | doc: /* This gets the clipboard data in text format. */) | |
ee78dc32 GV |
298 | (frame) |
299 | Lisp_Object frame; | |
300 | { | |
301 | HANDLE htext; | |
302 | Lisp_Object ret = Qnil; | |
41a48e45 | 303 | |
ee78dc32 | 304 | if (!NILP (frame)) |
b7826503 | 305 | CHECK_LIVE_FRAME (frame); |
41a48e45 | 306 | |
ee78dc32 | 307 | BLOCK_INPUT; |
41a48e45 | 308 | |
fbd6baed | 309 | if (!OpenClipboard ((!NILP (frame) && FRAME_W32_P (XFRAME (frame))) ? FRAME_W32_WINDOW (XFRAME (frame)) : NULL)) |
ee78dc32 | 310 | goto done; |
41a48e45 | 311 | |
ee78dc32 GV |
312 | if ((htext = GetClipboardData (CF_TEXT)) == NULL) |
313 | goto closeclip; | |
314 | ||
ee78dc32 | 315 | { |
69cddef0 GV |
316 | unsigned char *src; |
317 | unsigned char *dst; | |
ee78dc32 | 318 | int nbytes; |
69cddef0 | 319 | int truelen; |
c0ca703b | 320 | int require_decoding = 0; |
41a48e45 | 321 | |
69cddef0 | 322 | if ((src = (unsigned char *) GlobalLock (htext)) == NULL) |
ee78dc32 | 323 | goto closeclip; |
41a48e45 | 324 | |
69cddef0 GV |
325 | nbytes = strlen (src); |
326 | ||
06466d9a JR |
327 | /* If the text in clipboard is identical to what we put there |
328 | last time w32_set_clipboard_data was called, pretend there's no | |
329 | data in the clipboard. This is so we don't pass our own text | |
330 | from the clipboard (which might be troublesome if the killed | |
331 | text includes null characters). */ | |
ee79d1aa JR |
332 | if ((clipboard_sequence_fn |
333 | && clipboard_sequence_fn () == last_clipboard_sequence_number) | |
334 | || (last_clipboard_text | |
335 | && clipboard_storage_size >= nbytes | |
336 | && memcmp(last_clipboard_text, src, nbytes) == 0)) | |
06466d9a JR |
337 | goto closeclip; |
338 | ||
aab7e392 JR |
339 | { |
340 | /* If the clipboard data contains any non-ascii code, we | |
341 | need to decode it. */ | |
342 | int i; | |
343 | ||
344 | for (i = 0; i < nbytes; i++) | |
345 | { | |
346 | if (src[i] >= 0x80) | |
347 | { | |
348 | require_decoding = 1; | |
349 | break; | |
350 | } | |
351 | } | |
352 | } | |
93cbf229 | 353 | |
c0ca703b | 354 | if (require_decoding) |
69cddef0 | 355 | { |
bbb059f3 AI |
356 | int bufsize; |
357 | unsigned char *buf; | |
358 | struct coding_system coding; | |
359 | ||
93cbf229 GV |
360 | if (NILP (Vnext_selection_coding_system)) |
361 | Vnext_selection_coding_system = Vselection_coding_system; | |
bbb059f3 | 362 | setup_coding_system |
93cbf229 | 363 | (Fcheck_coding_system (Vnext_selection_coding_system), &coding); |
69ebbf81 KH |
364 | coding.src_multibyte = 0; |
365 | coding.dst_multibyte = 1; | |
93cbf229 | 366 | Vnext_selection_coding_system = Qnil; |
bbb059f3 | 367 | coding.mode |= CODING_MODE_LAST_BLOCK; |
87c14506 KH |
368 | /* We explicitely disable composition handling because |
369 | selection data should not contain any composition | |
370 | sequence. */ | |
371 | coding.composing = COMPOSITION_DISABLED; | |
bbb059f3 AI |
372 | bufsize = decoding_buffer_size (&coding, nbytes); |
373 | buf = (unsigned char *) xmalloc (bufsize); | |
374 | decode_coding (&coding, src, buf, nbytes, bufsize); | |
0108f679 | 375 | Vlast_coding_system_used = coding.symbol; |
06466d9a JR |
376 | ret = make_string_from_bytes ((char *) buf, |
377 | coding.produced_char, coding.produced); | |
bbb059f3 | 378 | xfree (buf); |
aab7e392 JR |
379 | if (SYMBOLP (coding.post_read_conversion) |
380 | && !NILP (Ffboundp (coding.post_read_conversion))) | |
381 | ret = run_pre_post_conversion_on_str (ret, &coding, 0); | |
69cddef0 | 382 | } |
bbb059f3 AI |
383 | else |
384 | { | |
c0ca703b GV |
385 | /* Need to know final size after CR chars are removed because we |
386 | can't change the string size manually, and doing an extra | |
387 | copy is silly. Note that we only remove CR when it appears | |
388 | as part of CRLF. */ | |
bbb059f3 AI |
389 | |
390 | truelen = nbytes; | |
391 | dst = src; | |
392 | /* avoid using strchr because it recomputes the length everytime */ | |
393 | while ((dst = memchr (dst, '\r', nbytes - (dst - src))) != NULL) | |
394 | { | |
c0ca703b GV |
395 | if (dst[1] == '\n') /* safe because of trailing '\0' */ |
396 | truelen--; | |
bbb059f3 AI |
397 | dst++; |
398 | } | |
69cddef0 | 399 | |
bbb059f3 | 400 | ret = make_uninit_string (truelen); |
69cddef0 | 401 | |
c0ca703b GV |
402 | /* Convert CRLF line endings (the standard CF_TEXT clipboard |
403 | format) to LF endings as used internally by Emacs. */ | |
69cddef0 | 404 | |
d5db4077 | 405 | dst = SDATA (ret); |
bbb059f3 | 406 | while (1) |
69cddef0 | 407 | { |
bbb059f3 AI |
408 | unsigned char *next; |
409 | /* copy next line or remaining bytes excluding '\0' */ | |
410 | next = _memccpy (dst, src, '\r', nbytes); | |
411 | if (next) | |
412 | { | |
413 | /* copied one line ending with '\r' */ | |
414 | int copied = next - dst; | |
415 | nbytes -= copied; | |
c0ca703b | 416 | dst += copied; |
bbb059f3 | 417 | src += copied; |
c0ca703b GV |
418 | if (*src == '\n') |
419 | dst--; /* overwrite '\r' with '\n' */ | |
420 | } | |
bbb059f3 AI |
421 | else |
422 | /* copied remaining partial line -> now finished */ | |
423 | break; | |
424 | } | |
0108f679 AI |
425 | |
426 | Vlast_coding_system_used = Qraw_text; | |
69cddef0 GV |
427 | } |
428 | ||
ee78dc32 GV |
429 | GlobalUnlock (htext); |
430 | } | |
431 | ||
432 | closeclip: | |
433 | CloseClipboard (); | |
41a48e45 | 434 | |
ee78dc32 GV |
435 | done: |
436 | UNBLOCK_INPUT; | |
41a48e45 | 437 | |
ee78dc32 GV |
438 | return (ret); |
439 | } | |
440 | ||
9aa94bd5 KH |
441 | /* Support checking for a clipboard selection. */ |
442 | ||
443 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
33f09670 JR |
444 | 0, 1, 0, |
445 | doc: /* Whether there is an owner for the given X Selection. | |
446 | The arg should be the name of the selection in question, typically one of | |
447 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'. | |
448 | \(Those are literal upper-case symbol names, since that's what X expects.) | |
449 | For convenience, the symbol nil is the same as `PRIMARY', | |
450 | and t is the same as `SECONDARY'. */) | |
9aa94bd5 KH |
451 | (selection) |
452 | Lisp_Object selection; | |
453 | { | |
b7826503 | 454 | CHECK_SYMBOL (selection); |
9aa94bd5 KH |
455 | |
456 | /* Return nil for PRIMARY and SECONDARY selections; for CLIPBOARD, check | |
457 | if the clipboard currently has valid text format contents. */ | |
458 | ||
459 | if (EQ (selection, QCLIPBOARD)) | |
460 | { | |
461 | Lisp_Object val = Qnil; | |
462 | ||
463 | if (OpenClipboard (NULL)) | |
464 | { | |
465 | int format = 0; | |
466 | while (format = EnumClipboardFormats (format)) | |
467 | if (format == CF_TEXT) | |
468 | { | |
469 | val = Qt; | |
470 | break; | |
471 | } | |
472 | CloseClipboard (); | |
473 | } | |
474 | return val; | |
475 | } | |
476 | return Qnil; | |
477 | } | |
478 | ||
41a48e45 | 479 | void |
fbd6baed | 480 | syms_of_w32select () |
ee78dc32 GV |
481 | { |
482 | #if 0 | |
fbd6baed GV |
483 | defsubr (&Sw32_open_clipboard); |
484 | defsubr (&Sw32_empty_clipboard); | |
485 | defsubr (&Sw32_close_clipboard); | |
ee78dc32 | 486 | #endif |
fbd6baed GV |
487 | defsubr (&Sw32_set_clipboard_data); |
488 | defsubr (&Sw32_get_clipboard_data); | |
9aa94bd5 KH |
489 | defsubr (&Sx_selection_exists_p); |
490 | ||
72aca5fa | 491 | DEFVAR_LISP ("selection-coding-system", &Vselection_coding_system, |
33f09670 JR |
492 | doc: /* Coding system for communicating with other programs. |
493 | When sending or receiving text via cut_buffer, selection, and clipboard, | |
41a48e45 JB |
494 | the text is encoded or decoded by this coding system. |
495 | The default value is `iso-latin-1-dos'. */); | |
496 | Vselection_coding_system = intern ("iso-latin-1-dos"); | |
bbb059f3 | 497 | |
93cbf229 | 498 | DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system, |
33f09670 JR |
499 | doc: /* Coding system for the next communication with other programs. |
500 | Usually, `selection-coding-system' is used for communicating with | |
3b32ae2c JB |
501 | other programs. But, if this variable is set, it is used for the |
502 | next communication only. After the communication, this variable is | |
33f09670 | 503 | set to nil. */); |
93cbf229 GV |
504 | Vnext_selection_coding_system = Qnil; |
505 | ||
9aa94bd5 | 506 | QCLIPBOARD = intern ("CLIPBOARD"); staticpro (&QCLIPBOARD); |
ee78dc32 | 507 | } |
ab5796a9 MB |
508 | |
509 | /* arch-tag: c96e9724-5eb1-4dad-be07-289f092fd2af | |
510 | (do not change this comment) */ |