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2408b3a1 | 1 | /* X Selection processing for Emacs. |
4a2f9c6a | 2 | Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation. |
ede4db72 RS |
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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
ede4db72 | 20 | |
c6c5df7f | 21 | |
ede4db72 RS |
22 | /* Rewritten by jwz */ |
23 | ||
18160b98 | 24 | #include <config.h> |
ede4db72 RS |
25 | #include "lisp.h" |
26 | #include "xterm.h" /* for all of the X includes */ | |
7da64e5c RS |
27 | #include "dispextern.h" /* frame.h seems to want this */ |
28 | #include "frame.h" /* Need this to get the X window of selected_frame */ | |
9ac0d9e0 | 29 | #include "blockinput.h" |
5faa9b45 | 30 | #include "buffer.h" |
e6c7c988 KH |
31 | #include "charset.h" |
32 | #include "coding.h" | |
dfcf069d | 33 | #include "process.h" |
7da64e5c | 34 | |
ede4db72 RS |
35 | #define CUT_BUFFER_SUPPORT |
36 | ||
ede4db72 RS |
37 | Lisp_Object QPRIMARY, QSECONDARY, QSTRING, QINTEGER, QCLIPBOARD, QTIMESTAMP, |
38 | QTEXT, QDELETE, QMULTIPLE, QINCR, QEMACS_TMP, QTARGETS, QATOM, QNULL, | |
39 | QATOM_PAIR; | |
40 | ||
e6c7c988 KH |
41 | Lisp_Object QCOMPOUND_TEXT; /* This is a type of selection. */ |
42 | ||
ede4db72 RS |
43 | #ifdef CUT_BUFFER_SUPPORT |
44 | Lisp_Object QCUT_BUFFER0, QCUT_BUFFER1, QCUT_BUFFER2, QCUT_BUFFER3, | |
45 | QCUT_BUFFER4, QCUT_BUFFER5, QCUT_BUFFER6, QCUT_BUFFER7; | |
46 | #endif | |
47 | ||
8f4f023f RS |
48 | static Lisp_Object Vx_lost_selection_hooks; |
49 | static Lisp_Object Vx_sent_selection_hooks; | |
2584c9ec KH |
50 | /* Coding system for communicating with other X clients via cutbuffer, |
51 | selection, and clipboard. */ | |
93e4ce1b | 52 | static Lisp_Object Vselection_coding_system; |
ede4db72 | 53 | |
16cd5029 KH |
54 | /* Coding system for the next communicating with other X clients. */ |
55 | static Lisp_Object Vnext_selection_coding_system; | |
56 | ||
ede4db72 RS |
57 | /* If this is a smaller number than the max-request-size of the display, |
58 | emacs will use INCR selection transfer when the selection is larger | |
59 | than this. The max-request-size is usually around 64k, so if you want | |
60 | emacs to use incremental selection transfers when the selection is | |
61 | smaller than that, set this. I added this mostly for debugging the | |
8f4f023f | 62 | incremental transfer stuff, but it might improve server performance. */ |
ede4db72 RS |
63 | #define MAX_SELECTION_QUANTUM 0xFFFFFF |
64 | ||
c3498e64 JB |
65 | #ifdef HAVE_X11R4 |
66 | #define SELECTION_QUANTUM(dpy) ((XMaxRequestSize(dpy) << 2) - 100) | |
67 | #else | |
68 | #define SELECTION_QUANTUM(dpy) (((dpy)->max_request_size << 2) - 100) | |
69 | #endif | |
ede4db72 | 70 | |
7da64e5c | 71 | /* The timestamp of the last input event Emacs received from the X server. */ |
29674445 KH |
72 | /* Defined in keyboard.c. */ |
73 | extern unsigned long last_event_timestamp; | |
ede4db72 RS |
74 | |
75 | /* This is an association list whose elements are of the form | |
118bd841 RS |
76 | ( SELECTION-NAME SELECTION-VALUE SELECTION-TIMESTAMP FRAME) |
77 | SELECTION-NAME is a lisp symbol, whose name is the name of an X Atom. | |
78 | SELECTION-VALUE is the value that emacs owns for that selection. | |
ede4db72 | 79 | It may be any kind of Lisp object. |
118bd841 | 80 | SELECTION-TIMESTAMP is the time at which emacs began owning this selection, |
ede4db72 | 81 | as a cons of two 16-bit numbers (making a 32 bit time.) |
118bd841 RS |
82 | FRAME is the frame for which we made the selection. |
83 | If there is an entry in this alist, then it can be assumed that Emacs owns | |
ede4db72 RS |
84 | that selection. |
85 | The only (eq) parts of this list that are visible from Lisp are the | |
8f4f023f RS |
86 | selection-values. */ |
87 | static Lisp_Object Vselection_alist; | |
ede4db72 RS |
88 | |
89 | /* This is an alist whose CARs are selection-types (whose names are the same | |
90 | as the names of X Atoms) and whose CDRs are the names of Lisp functions to | |
91 | call to convert the given Emacs selection value to a string representing | |
92 | the given selection type. This is for Lisp-level extension of the emacs | |
8f4f023f RS |
93 | selection handling. */ |
94 | static Lisp_Object Vselection_converter_alist; | |
ede4db72 RS |
95 | |
96 | /* If the selection owner takes too long to reply to a selection request, | |
8f4f023f RS |
97 | we give up on it. This is in milliseconds (0 = no timeout.) */ |
98 | static int x_selection_timeout; | |
ede4db72 RS |
99 | \f |
100 | /* Utility functions */ | |
101 | ||
102 | static void lisp_data_to_selection_data (); | |
103 | static Lisp_Object selection_data_to_lisp_data (); | |
104 | static Lisp_Object x_get_window_property_as_lisp_data (); | |
105 | ||
ede4db72 RS |
106 | /* This converts a Lisp symbol to a server Atom, avoiding a server |
107 | roundtrip whenever possible. */ | |
108 | ||
109 | static Atom | |
5c3a351a RS |
110 | symbol_to_x_atom (dpyinfo, display, sym) |
111 | struct x_display_info *dpyinfo; | |
ede4db72 RS |
112 | Display *display; |
113 | Lisp_Object sym; | |
114 | { | |
115 | Atom val; | |
116 | if (NILP (sym)) return 0; | |
117 | if (EQ (sym, QPRIMARY)) return XA_PRIMARY; | |
118 | if (EQ (sym, QSECONDARY)) return XA_SECONDARY; | |
119 | if (EQ (sym, QSTRING)) return XA_STRING; | |
120 | if (EQ (sym, QINTEGER)) return XA_INTEGER; | |
121 | if (EQ (sym, QATOM)) return XA_ATOM; | |
5c3a351a RS |
122 | if (EQ (sym, QCLIPBOARD)) return dpyinfo->Xatom_CLIPBOARD; |
123 | if (EQ (sym, QTIMESTAMP)) return dpyinfo->Xatom_TIMESTAMP; | |
124 | if (EQ (sym, QTEXT)) return dpyinfo->Xatom_TEXT; | |
e6c7c988 | 125 | if (EQ (sym, QCOMPOUND_TEXT)) return dpyinfo->Xatom_COMPOUND_TEXT; |
5c3a351a RS |
126 | if (EQ (sym, QDELETE)) return dpyinfo->Xatom_DELETE; |
127 | if (EQ (sym, QMULTIPLE)) return dpyinfo->Xatom_MULTIPLE; | |
128 | if (EQ (sym, QINCR)) return dpyinfo->Xatom_INCR; | |
129 | if (EQ (sym, QEMACS_TMP)) return dpyinfo->Xatom_EMACS_TMP; | |
130 | if (EQ (sym, QTARGETS)) return dpyinfo->Xatom_TARGETS; | |
131 | if (EQ (sym, QNULL)) return dpyinfo->Xatom_NULL; | |
ede4db72 RS |
132 | #ifdef CUT_BUFFER_SUPPORT |
133 | if (EQ (sym, QCUT_BUFFER0)) return XA_CUT_BUFFER0; | |
134 | if (EQ (sym, QCUT_BUFFER1)) return XA_CUT_BUFFER1; | |
135 | if (EQ (sym, QCUT_BUFFER2)) return XA_CUT_BUFFER2; | |
136 | if (EQ (sym, QCUT_BUFFER3)) return XA_CUT_BUFFER3; | |
137 | if (EQ (sym, QCUT_BUFFER4)) return XA_CUT_BUFFER4; | |
138 | if (EQ (sym, QCUT_BUFFER5)) return XA_CUT_BUFFER5; | |
139 | if (EQ (sym, QCUT_BUFFER6)) return XA_CUT_BUFFER6; | |
140 | if (EQ (sym, QCUT_BUFFER7)) return XA_CUT_BUFFER7; | |
141 | #endif | |
142 | if (!SYMBOLP (sym)) abort (); | |
143 | ||
144 | #if 0 | |
145 | fprintf (stderr, " XInternAtom %s\n", (char *) XSYMBOL (sym)->name->data); | |
146 | #endif | |
147 | BLOCK_INPUT; | |
148 | val = XInternAtom (display, (char *) XSYMBOL (sym)->name->data, False); | |
149 | UNBLOCK_INPUT; | |
150 | return val; | |
151 | } | |
152 | ||
153 | ||
154 | /* This converts a server Atom to a Lisp symbol, avoiding server roundtrips | |
155 | and calls to intern whenever possible. */ | |
156 | ||
157 | static Lisp_Object | |
5c3a351a RS |
158 | x_atom_to_symbol (dpyinfo, display, atom) |
159 | struct x_display_info *dpyinfo; | |
ede4db72 RS |
160 | Display *display; |
161 | Atom atom; | |
162 | { | |
163 | char *str; | |
164 | Lisp_Object val; | |
165 | if (! atom) return Qnil; | |
7da64e5c RS |
166 | switch (atom) |
167 | { | |
168 | case XA_PRIMARY: | |
169 | return QPRIMARY; | |
170 | case XA_SECONDARY: | |
171 | return QSECONDARY; | |
172 | case XA_STRING: | |
173 | return QSTRING; | |
174 | case XA_INTEGER: | |
175 | return QINTEGER; | |
176 | case XA_ATOM: | |
177 | return QATOM; | |
ede4db72 | 178 | #ifdef CUT_BUFFER_SUPPORT |
7da64e5c RS |
179 | case XA_CUT_BUFFER0: |
180 | return QCUT_BUFFER0; | |
181 | case XA_CUT_BUFFER1: | |
182 | return QCUT_BUFFER1; | |
183 | case XA_CUT_BUFFER2: | |
184 | return QCUT_BUFFER2; | |
185 | case XA_CUT_BUFFER3: | |
186 | return QCUT_BUFFER3; | |
187 | case XA_CUT_BUFFER4: | |
188 | return QCUT_BUFFER4; | |
189 | case XA_CUT_BUFFER5: | |
190 | return QCUT_BUFFER5; | |
191 | case XA_CUT_BUFFER6: | |
192 | return QCUT_BUFFER6; | |
193 | case XA_CUT_BUFFER7: | |
194 | return QCUT_BUFFER7; | |
ede4db72 | 195 | #endif |
7da64e5c RS |
196 | } |
197 | ||
5c3a351a | 198 | if (atom == dpyinfo->Xatom_CLIPBOARD) |
7da64e5c | 199 | return QCLIPBOARD; |
5c3a351a | 200 | if (atom == dpyinfo->Xatom_TIMESTAMP) |
7da64e5c | 201 | return QTIMESTAMP; |
5c3a351a | 202 | if (atom == dpyinfo->Xatom_TEXT) |
7da64e5c | 203 | return QTEXT; |
e6c7c988 KH |
204 | if (atom == dpyinfo->Xatom_COMPOUND_TEXT) |
205 | return QCOMPOUND_TEXT; | |
5c3a351a | 206 | if (atom == dpyinfo->Xatom_DELETE) |
7da64e5c | 207 | return QDELETE; |
5c3a351a | 208 | if (atom == dpyinfo->Xatom_MULTIPLE) |
7da64e5c | 209 | return QMULTIPLE; |
5c3a351a | 210 | if (atom == dpyinfo->Xatom_INCR) |
7da64e5c | 211 | return QINCR; |
5c3a351a | 212 | if (atom == dpyinfo->Xatom_EMACS_TMP) |
7da64e5c | 213 | return QEMACS_TMP; |
5c3a351a | 214 | if (atom == dpyinfo->Xatom_TARGETS) |
7da64e5c | 215 | return QTARGETS; |
5c3a351a | 216 | if (atom == dpyinfo->Xatom_NULL) |
7da64e5c | 217 | return QNULL; |
ede4db72 RS |
218 | |
219 | BLOCK_INPUT; | |
220 | str = XGetAtomName (display, atom); | |
221 | UNBLOCK_INPUT; | |
222 | #if 0 | |
223 | fprintf (stderr, " XGetAtomName --> %s\n", str); | |
224 | #endif | |
225 | if (! str) return Qnil; | |
226 | val = intern (str); | |
227 | BLOCK_INPUT; | |
0158abbc | 228 | /* This was allocated by Xlib, so use XFree. */ |
ede4db72 RS |
229 | XFree (str); |
230 | UNBLOCK_INPUT; | |
231 | return val; | |
232 | } | |
8a89415e | 233 | \f |
ede4db72 RS |
234 | /* Do protocol to assert ourself as a selection owner. |
235 | Update the Vselection_alist so that we can reply to later requests for | |
236 | our selection. */ | |
237 | ||
238 | static void | |
239 | x_own_selection (selection_name, selection_value) | |
240 | Lisp_Object selection_name, selection_value; | |
241 | { | |
ede4db72 | 242 | Window selecting_window = FRAME_X_WINDOW (selected_frame); |
3834c318 | 243 | Display *display = FRAME_X_DISPLAY (selected_frame); |
7da64e5c | 244 | Time time = last_event_timestamp; |
ede4db72 | 245 | Atom selection_atom; |
5c3a351a | 246 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame); |
5a499696 | 247 | int count; |
ede4db72 RS |
248 | |
249 | CHECK_SYMBOL (selection_name, 0); | |
5c3a351a | 250 | selection_atom = symbol_to_x_atom (dpyinfo, display, selection_name); |
ede4db72 RS |
251 | |
252 | BLOCK_INPUT; | |
5a499696 | 253 | count = x_catch_errors (display); |
ede4db72 | 254 | XSetSelectionOwner (display, selection_atom, selecting_window, time); |
a7b24d46 | 255 | x_check_errors (display, "Can't set selection: %s"); |
5a499696 | 256 | x_uncatch_errors (display, count); |
ede4db72 RS |
257 | UNBLOCK_INPUT; |
258 | ||
259 | /* Now update the local cache */ | |
260 | { | |
261 | Lisp_Object selection_time; | |
262 | Lisp_Object selection_data; | |
263 | Lisp_Object prev_value; | |
264 | ||
265 | selection_time = long_to_cons ((unsigned long) time); | |
266 | selection_data = Fcons (selection_name, | |
267 | Fcons (selection_value, | |
118bd841 RS |
268 | Fcons (selection_time, |
269 | Fcons (Fselected_frame (), Qnil)))); | |
ede4db72 RS |
270 | prev_value = assq_no_quit (selection_name, Vselection_alist); |
271 | ||
272 | Vselection_alist = Fcons (selection_data, Vselection_alist); | |
273 | ||
274 | /* If we already owned the selection, remove the old selection data. | |
275 | Perhaps we should destructively modify it instead. | |
276 | Don't use Fdelq as that may QUIT. */ | |
277 | if (!NILP (prev_value)) | |
278 | { | |
279 | Lisp_Object rest; /* we know it's not the CAR, so it's easy. */ | |
280 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
281 | if (EQ (prev_value, Fcar (XCONS (rest)->cdr))) | |
282 | { | |
283 | XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr); | |
284 | break; | |
285 | } | |
286 | } | |
287 | } | |
288 | } | |
289 | \f | |
290 | /* Given a selection-name and desired type, look up our local copy of | |
291 | the selection value and convert it to the type. | |
292 | The value is nil or a string. | |
293 | This function is used both for remote requests | |
7da64e5c | 294 | and for local x-get-selection-internal. |
ede4db72 RS |
295 | |
296 | This calls random Lisp code, and may signal or gc. */ | |
297 | ||
298 | static Lisp_Object | |
299 | x_get_local_selection (selection_symbol, target_type) | |
300 | Lisp_Object selection_symbol, target_type; | |
301 | { | |
302 | Lisp_Object local_value; | |
303 | Lisp_Object handler_fn, value, type, check; | |
304 | int count; | |
305 | ||
306 | local_value = assq_no_quit (selection_symbol, Vselection_alist); | |
307 | ||
308 | if (NILP (local_value)) return Qnil; | |
309 | ||
310 | /* TIMESTAMP and MULTIPLE are special cases 'cause that's easiest. */ | |
311 | if (EQ (target_type, QTIMESTAMP)) | |
312 | { | |
313 | handler_fn = Qnil; | |
314 | value = XCONS (XCONS (XCONS (local_value)->cdr)->cdr)->car; | |
315 | } | |
316 | #if 0 | |
317 | else if (EQ (target_type, QDELETE)) | |
318 | { | |
319 | handler_fn = Qnil; | |
320 | Fx_disown_selection_internal | |
321 | (selection_symbol, | |
322 | XCONS (XCONS (XCONS (local_value)->cdr)->cdr)->car); | |
323 | value = QNULL; | |
324 | } | |
325 | #endif | |
326 | ||
327 | #if 0 /* #### MULTIPLE doesn't work yet */ | |
328 | else if (CONSP (target_type) | |
329 | && XCONS (target_type)->car == QMULTIPLE) | |
330 | { | |
9d2d1dd8 KH |
331 | Lisp_Object pairs; |
332 | int size; | |
ede4db72 | 333 | int i; |
9d2d1dd8 KH |
334 | pairs = XCONS (target_type)->cdr; |
335 | size = XVECTOR (pairs)->size; | |
ede4db72 RS |
336 | /* If the target is MULTIPLE, then target_type looks like |
337 | (MULTIPLE . [[SELECTION1 TARGET1] [SELECTION2 TARGET2] ... ]) | |
338 | We modify the second element of each pair in the vector and | |
339 | return it as [[SELECTION1 <value1>] [SELECTION2 <value2>] ... ] | |
340 | */ | |
341 | for (i = 0; i < size; i++) | |
342 | { | |
9d2d1dd8 KH |
343 | Lisp_Object pair; |
344 | pair = XVECTOR (pairs)->contents [i]; | |
ede4db72 RS |
345 | XVECTOR (pair)->contents [1] |
346 | = x_get_local_selection (XVECTOR (pair)->contents [0], | |
347 | XVECTOR (pair)->contents [1]); | |
348 | } | |
349 | return pairs; | |
350 | } | |
351 | #endif | |
352 | else | |
353 | { | |
354 | /* Don't allow a quit within the converter. | |
355 | When the user types C-g, he would be surprised | |
356 | if by luck it came during a converter. */ | |
357 | count = specpdl_ptr - specpdl; | |
358 | specbind (Qinhibit_quit, Qt); | |
359 | ||
360 | CHECK_SYMBOL (target_type, 0); | |
361 | handler_fn = Fcdr (Fassq (target_type, Vselection_converter_alist)); | |
1eb4d468 RS |
362 | if (!NILP (handler_fn)) |
363 | value = call3 (handler_fn, | |
364 | selection_symbol, target_type, | |
365 | XCONS (XCONS (local_value)->cdr)->car); | |
366 | else | |
367 | value = Qnil; | |
ede4db72 RS |
368 | unbind_to (count, Qnil); |
369 | } | |
370 | ||
371 | /* Make sure this value is of a type that we could transmit | |
372 | to another X client. */ | |
a87ed99c | 373 | |
ede4db72 RS |
374 | check = value; |
375 | if (CONSP (value) | |
376 | && SYMBOLP (XCONS (value)->car)) | |
377 | type = XCONS (value)->car, | |
378 | check = XCONS (value)->cdr; | |
379 | ||
380 | if (STRINGP (check) | |
381 | || VECTORP (check) | |
382 | || SYMBOLP (check) | |
7da64e5c | 383 | || INTEGERP (check) |
ede4db72 RS |
384 | || NILP (value)) |
385 | return value; | |
a87ed99c | 386 | /* Check for a value that cons_to_long could handle. */ |
ede4db72 | 387 | else if (CONSP (check) |
7da64e5c RS |
388 | && INTEGERP (XCONS (check)->car) |
389 | && (INTEGERP (XCONS (check)->cdr) | |
ede4db72 RS |
390 | || |
391 | (CONSP (XCONS (check)->cdr) | |
7da64e5c | 392 | && INTEGERP (XCONS (XCONS (check)->cdr)->car) |
ede4db72 RS |
393 | && NILP (XCONS (XCONS (check)->cdr)->cdr)))) |
394 | return value; | |
395 | else | |
396 | return | |
397 | Fsignal (Qerror, | |
a87ed99c | 398 | Fcons (build_string ("invalid data returned by selection-conversion function"), |
ede4db72 RS |
399 | Fcons (handler_fn, Fcons (value, Qnil)))); |
400 | } | |
401 | \f | |
402 | /* Subroutines of x_reply_selection_request. */ | |
403 | ||
5d0ba25b | 404 | /* Send a SelectionNotify event to the requestor with property=None, |
ede4db72 RS |
405 | meaning we were unable to do what they wanted. */ |
406 | ||
407 | static void | |
408 | x_decline_selection_request (event) | |
409 | struct input_event *event; | |
410 | { | |
411 | XSelectionEvent reply; | |
412 | reply.type = SelectionNotify; | |
413 | reply.display = SELECTION_EVENT_DISPLAY (event); | |
5d0ba25b | 414 | reply.requestor = SELECTION_EVENT_REQUESTOR (event); |
ede4db72 RS |
415 | reply.selection = SELECTION_EVENT_SELECTION (event); |
416 | reply.time = SELECTION_EVENT_TIME (event); | |
417 | reply.target = SELECTION_EVENT_TARGET (event); | |
418 | reply.property = None; | |
419 | ||
420 | BLOCK_INPUT; | |
5d0ba25b | 421 | XSendEvent (reply.display, reply.requestor, False, 0L, |
7ffb2841 | 422 | (XEvent *) &reply); |
5c3a351a | 423 | XFlush (reply.display); |
ede4db72 RS |
424 | UNBLOCK_INPUT; |
425 | } | |
426 | ||
427 | /* This is the selection request currently being processed. | |
428 | It is set to zero when the request is fully processed. */ | |
429 | static struct input_event *x_selection_current_request; | |
430 | ||
431 | /* Used as an unwind-protect clause so that, if a selection-converter signals | |
2a1a4c9d | 432 | an error, we tell the requester that we were unable to do what they wanted |
ede4db72 RS |
433 | before we throw to top-level or go into the debugger or whatever. */ |
434 | ||
435 | static Lisp_Object | |
436 | x_selection_request_lisp_error (ignore) | |
437 | Lisp_Object ignore; | |
438 | { | |
439 | if (x_selection_current_request != 0) | |
440 | x_decline_selection_request (x_selection_current_request); | |
441 | return Qnil; | |
442 | } | |
443 | \f | |
d1f21a66 RS |
444 | |
445 | /* This stuff is so that INCR selections are reentrant (that is, so we can | |
446 | be servicing multiple INCR selection requests simultaneously.) I haven't | |
447 | actually tested that yet. */ | |
448 | ||
449 | /* Keep a list of the property changes that are awaited. */ | |
450 | ||
451 | struct prop_location | |
452 | { | |
453 | int identifier; | |
454 | Display *display; | |
455 | Window window; | |
456 | Atom property; | |
457 | int desired_state; | |
458 | int arrived; | |
459 | struct prop_location *next; | |
460 | }; | |
461 | ||
462 | static struct prop_location *expect_property_change (); | |
463 | static void wait_for_property_change (); | |
464 | static void unexpect_property_change (); | |
465 | static int waiting_for_other_props_on_window (); | |
466 | ||
467 | static int prop_location_identifier; | |
468 | ||
469 | static Lisp_Object property_change_reply; | |
470 | ||
471 | static struct prop_location *property_change_reply_object; | |
472 | ||
473 | static struct prop_location *property_change_wait_list; | |
55b2d45d RS |
474 | |
475 | static Lisp_Object | |
476 | queue_selection_requests_unwind (frame) | |
477 | Lisp_Object frame; | |
478 | { | |
479 | FRAME_PTR f = XFRAME (frame); | |
480 | ||
481 | if (! NILP (frame)) | |
482 | x_stop_queuing_selection_requests (FRAME_X_DISPLAY (f)); | |
ab552306 | 483 | return Qnil; |
55b2d45d RS |
484 | } |
485 | ||
486 | /* Return some frame whose display info is DPYINFO. | |
487 | Return nil if there is none. */ | |
488 | ||
489 | static Lisp_Object | |
490 | some_frame_on_display (dpyinfo) | |
491 | struct x_display_info *dpyinfo; | |
492 | { | |
493 | Lisp_Object list, frame; | |
494 | ||
495 | FOR_EACH_FRAME (list, frame) | |
496 | { | |
497 | if (FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo) | |
498 | return frame; | |
499 | } | |
500 | ||
501 | return Qnil; | |
502 | } | |
d1f21a66 | 503 | \f |
ede4db72 RS |
504 | /* Send the reply to a selection request event EVENT. |
505 | TYPE is the type of selection data requested. | |
506 | DATA and SIZE describe the data to send, already converted. | |
507 | FORMAT is the unit-size (in bits) of the data to be transmitted. */ | |
508 | ||
509 | static void | |
510 | x_reply_selection_request (event, format, data, size, type) | |
511 | struct input_event *event; | |
512 | int format, size; | |
513 | unsigned char *data; | |
514 | Atom type; | |
515 | { | |
516 | XSelectionEvent reply; | |
517 | Display *display = SELECTION_EVENT_DISPLAY (event); | |
5d0ba25b | 518 | Window window = SELECTION_EVENT_REQUESTOR (event); |
ede4db72 RS |
519 | int bytes_remaining; |
520 | int format_bytes = format/8; | |
521 | int max_bytes = SELECTION_QUANTUM (display); | |
5c3a351a | 522 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
5a499696 | 523 | int count; |
ede4db72 RS |
524 | |
525 | if (max_bytes > MAX_SELECTION_QUANTUM) | |
526 | max_bytes = MAX_SELECTION_QUANTUM; | |
527 | ||
528 | reply.type = SelectionNotify; | |
529 | reply.display = display; | |
5d0ba25b | 530 | reply.requestor = window; |
ede4db72 RS |
531 | reply.selection = SELECTION_EVENT_SELECTION (event); |
532 | reply.time = SELECTION_EVENT_TIME (event); | |
533 | reply.target = SELECTION_EVENT_TARGET (event); | |
534 | reply.property = SELECTION_EVENT_PROPERTY (event); | |
535 | if (reply.property == None) | |
536 | reply.property = reply.target; | |
537 | ||
538 | /* #### XChangeProperty can generate BadAlloc, and we must handle it! */ | |
afe1529d | 539 | BLOCK_INPUT; |
ad7f9d12 | 540 | count = x_catch_errors (display); |
ede4db72 | 541 | |
ede4db72 RS |
542 | /* Store the data on the requested property. |
543 | If the selection is large, only store the first N bytes of it. | |
544 | */ | |
545 | bytes_remaining = size * format_bytes; | |
546 | if (bytes_remaining <= max_bytes) | |
547 | { | |
548 | /* Send all the data at once, with minimal handshaking. */ | |
549 | #if 0 | |
550 | fprintf (stderr,"\nStoring all %d\n", bytes_remaining); | |
551 | #endif | |
552 | XChangeProperty (display, window, reply.property, type, format, | |
553 | PropModeReplace, data, size); | |
554 | /* At this point, the selection was successfully stored; ack it. */ | |
2f65feb6 | 555 | XSendEvent (display, window, False, 0L, (XEvent *) &reply); |
ede4db72 RS |
556 | } |
557 | else | |
558 | { | |
559 | /* Send an INCR selection. */ | |
d1f21a66 | 560 | struct prop_location *wait_object; |
afe1529d | 561 | int had_errors; |
55b2d45d | 562 | Lisp_Object frame; |
ede4db72 | 563 | |
55b2d45d RS |
564 | frame = some_frame_on_display (dpyinfo); |
565 | ||
566 | /* If the display no longer has frames, we can't expect | |
567 | to get many more selection requests from it, so don't | |
568 | bother trying to queue them. */ | |
569 | if (!NILP (frame)) | |
570 | { | |
571 | x_start_queuing_selection_requests (display); | |
572 | ||
573 | record_unwind_protect (queue_selection_requests_unwind, | |
574 | frame); | |
575 | } | |
2f65feb6 | 576 | |
19126e11 | 577 | if (x_window_to_frame (dpyinfo, window)) /* #### debug */ |
606140dd | 578 | error ("Attempt to transfer an INCR to ourself!"); |
ede4db72 RS |
579 | #if 0 |
580 | fprintf (stderr, "\nINCR %d\n", bytes_remaining); | |
581 | #endif | |
d1f21a66 RS |
582 | wait_object = expect_property_change (display, window, reply.property, |
583 | PropertyDelete); | |
ede4db72 | 584 | |
5c3a351a | 585 | XChangeProperty (display, window, reply.property, dpyinfo->Xatom_INCR, |
55b2d45d RS |
586 | 32, PropModeReplace, |
587 | (unsigned char *) &bytes_remaining, 1); | |
ede4db72 RS |
588 | XSelectInput (display, window, PropertyChangeMask); |
589 | /* Tell 'em the INCR data is there... */ | |
55b2d45d | 590 | XSendEvent (display, window, False, 0L, (XEvent *) &reply); |
5c3a351a | 591 | XFlush (display); |
afe1529d RS |
592 | |
593 | had_errors = x_had_errors_p (display); | |
2f65feb6 | 594 | UNBLOCK_INPUT; |
ede4db72 | 595 | |
2a1a4c9d | 596 | /* First, wait for the requester to ack by deleting the property. |
ede4db72 | 597 | This can run random lisp code (process handlers) or signal. */ |
afe1529d RS |
598 | if (! had_errors) |
599 | wait_for_property_change (wait_object); | |
ede4db72 RS |
600 | |
601 | while (bytes_remaining) | |
602 | { | |
603 | int i = ((bytes_remaining < max_bytes) | |
604 | ? bytes_remaining | |
605 | : max_bytes); | |
2f65feb6 RS |
606 | |
607 | BLOCK_INPUT; | |
608 | ||
d1f21a66 RS |
609 | wait_object |
610 | = expect_property_change (display, window, reply.property, | |
611 | PropertyDelete); | |
ede4db72 RS |
612 | #if 0 |
613 | fprintf (stderr," INCR adding %d\n", i); | |
614 | #endif | |
615 | /* Append the next chunk of data to the property. */ | |
616 | XChangeProperty (display, window, reply.property, type, format, | |
617 | PropModeAppend, data, i / format_bytes); | |
618 | bytes_remaining -= i; | |
619 | data += i; | |
5c3a351a | 620 | XFlush (display); |
afe1529d | 621 | had_errors = x_had_errors_p (display); |
2f65feb6 | 622 | UNBLOCK_INPUT; |
ede4db72 | 623 | |
afe1529d RS |
624 | if (had_errors) |
625 | break; | |
626 | ||
2a1a4c9d | 627 | /* Now wait for the requester to ack this chunk by deleting the |
ede4db72 RS |
628 | property. This can run random lisp code or signal. |
629 | */ | |
d1f21a66 | 630 | wait_for_property_change (wait_object); |
ede4db72 | 631 | } |
2a1a4c9d | 632 | /* Now write a zero-length chunk to the property to tell the requester |
ede4db72 RS |
633 | that we're done. */ |
634 | #if 0 | |
635 | fprintf (stderr," INCR done\n"); | |
636 | #endif | |
2f65feb6 | 637 | BLOCK_INPUT; |
ede4db72 RS |
638 | if (! waiting_for_other_props_on_window (display, window)) |
639 | XSelectInput (display, window, 0L); | |
640 | ||
641 | XChangeProperty (display, window, reply.property, type, format, | |
642 | PropModeReplace, data, 0); | |
643 | } | |
afe1529d RS |
644 | |
645 | XFlush (display); | |
5a499696 | 646 | x_uncatch_errors (display, count); |
afe1529d | 647 | UNBLOCK_INPUT; |
ede4db72 RS |
648 | } |
649 | \f | |
650 | /* Handle a SelectionRequest event EVENT. | |
651 | This is called from keyboard.c when such an event is found in the queue. */ | |
652 | ||
653 | void | |
654 | x_handle_selection_request (event) | |
655 | struct input_event *event; | |
656 | { | |
657 | struct gcpro gcpro1, gcpro2, gcpro3; | |
9d2d1dd8 | 658 | Lisp_Object local_selection_data; |
ede4db72 | 659 | Lisp_Object selection_symbol; |
9d2d1dd8 KH |
660 | Lisp_Object target_symbol; |
661 | Lisp_Object converted_selection; | |
ede4db72 | 662 | Time local_selection_time; |
9d2d1dd8 | 663 | Lisp_Object successful_p; |
ede4db72 | 664 | int count; |
5c3a351a RS |
665 | struct x_display_info *dpyinfo |
666 | = x_display_info_for_display (SELECTION_EVENT_DISPLAY (event)); | |
ede4db72 | 667 | |
9d2d1dd8 KH |
668 | local_selection_data = Qnil; |
669 | target_symbol = Qnil; | |
670 | converted_selection = Qnil; | |
671 | successful_p = Qnil; | |
672 | ||
ede4db72 RS |
673 | GCPRO3 (local_selection_data, converted_selection, target_symbol); |
674 | ||
5c3a351a RS |
675 | selection_symbol = x_atom_to_symbol (dpyinfo, |
676 | SELECTION_EVENT_DISPLAY (event), | |
ede4db72 RS |
677 | SELECTION_EVENT_SELECTION (event)); |
678 | ||
679 | local_selection_data = assq_no_quit (selection_symbol, Vselection_alist); | |
ede4db72 RS |
680 | |
681 | if (NILP (local_selection_data)) | |
682 | { | |
683 | /* Someone asked for the selection, but we don't have it any more. | |
684 | */ | |
685 | x_decline_selection_request (event); | |
686 | goto DONE; | |
687 | } | |
688 | ||
689 | local_selection_time = (Time) | |
690 | cons_to_long (XCONS (XCONS (XCONS (local_selection_data)->cdr)->cdr)->car); | |
691 | ||
692 | if (SELECTION_EVENT_TIME (event) != CurrentTime | |
7da64e5c | 693 | && local_selection_time > SELECTION_EVENT_TIME (event)) |
ede4db72 RS |
694 | { |
695 | /* Someone asked for the selection, and we have one, but not the one | |
696 | they're looking for. | |
697 | */ | |
698 | x_decline_selection_request (event); | |
699 | goto DONE; | |
700 | } | |
701 | ||
702 | count = specpdl_ptr - specpdl; | |
703 | x_selection_current_request = event; | |
704 | record_unwind_protect (x_selection_request_lisp_error, Qnil); | |
705 | ||
5c3a351a | 706 | target_symbol = x_atom_to_symbol (dpyinfo, SELECTION_EVENT_DISPLAY (event), |
ede4db72 RS |
707 | SELECTION_EVENT_TARGET (event)); |
708 | ||
709 | #if 0 /* #### MULTIPLE doesn't work yet */ | |
710 | if (EQ (target_symbol, QMULTIPLE)) | |
711 | target_symbol = fetch_multiple_target (event); | |
712 | #endif | |
713 | ||
714 | /* Convert lisp objects back into binary data */ | |
715 | ||
716 | converted_selection | |
717 | = x_get_local_selection (selection_symbol, target_symbol); | |
718 | ||
719 | if (! NILP (converted_selection)) | |
720 | { | |
721 | unsigned char *data; | |
722 | unsigned int size; | |
723 | int format; | |
724 | Atom type; | |
aca39f42 RS |
725 | int nofree; |
726 | ||
2f65feb6 RS |
727 | lisp_data_to_selection_data (SELECTION_EVENT_DISPLAY (event), |
728 | converted_selection, | |
aca39f42 | 729 | &data, &type, &size, &format, &nofree); |
ede4db72 RS |
730 | |
731 | x_reply_selection_request (event, format, data, size, type); | |
732 | successful_p = Qt; | |
733 | ||
734 | /* Indicate we have successfully processed this event. */ | |
7da64e5c | 735 | x_selection_current_request = 0; |
ede4db72 | 736 | |
4feb31b2 | 737 | /* Use xfree, not XFree, because lisp_data_to_selection_data |
0158abbc | 738 | calls xmalloc itself. */ |
aca39f42 | 739 | if (!nofree) |
4feb31b2 | 740 | xfree (data); |
ede4db72 RS |
741 | } |
742 | unbind_to (count, Qnil); | |
743 | ||
744 | DONE: | |
745 | ||
746 | UNGCPRO; | |
747 | ||
748 | /* Let random lisp code notice that the selection has been asked for. */ | |
749 | { | |
9d2d1dd8 KH |
750 | Lisp_Object rest; |
751 | rest = Vx_sent_selection_hooks; | |
ede4db72 RS |
752 | if (!EQ (rest, Qunbound)) |
753 | for (; CONSP (rest); rest = Fcdr (rest)) | |
754 | call3 (Fcar (rest), selection_symbol, target_symbol, successful_p); | |
755 | } | |
756 | } | |
757 | \f | |
758 | /* Handle a SelectionClear event EVENT, which indicates that some other | |
759 | client cleared out our previously asserted selection. | |
760 | This is called from keyboard.c when such an event is found in the queue. */ | |
761 | ||
762 | void | |
763 | x_handle_selection_clear (event) | |
764 | struct input_event *event; | |
765 | { | |
766 | Display *display = SELECTION_EVENT_DISPLAY (event); | |
767 | Atom selection = SELECTION_EVENT_SELECTION (event); | |
768 | Time changed_owner_time = SELECTION_EVENT_TIME (event); | |
769 | ||
770 | Lisp_Object selection_symbol, local_selection_data; | |
771 | Time local_selection_time; | |
5c3a351a | 772 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
ede4db72 | 773 | |
5c3a351a | 774 | selection_symbol = x_atom_to_symbol (dpyinfo, display, selection); |
ede4db72 RS |
775 | |
776 | local_selection_data = assq_no_quit (selection_symbol, Vselection_alist); | |
777 | ||
778 | /* Well, we already believe that we don't own it, so that's just fine. */ | |
779 | if (NILP (local_selection_data)) return; | |
780 | ||
781 | local_selection_time = (Time) | |
782 | cons_to_long (XCONS (XCONS (XCONS (local_selection_data)->cdr)->cdr)->car); | |
783 | ||
784 | /* This SelectionClear is for a selection that we no longer own, so we can | |
785 | disregard it. (That is, we have reasserted the selection since this | |
786 | request was generated.) */ | |
787 | ||
788 | if (changed_owner_time != CurrentTime | |
789 | && local_selection_time > changed_owner_time) | |
790 | return; | |
791 | ||
792 | /* Otherwise, we're really honest and truly being told to drop it. | |
793 | Don't use Fdelq as that may QUIT;. */ | |
794 | ||
795 | if (EQ (local_selection_data, Fcar (Vselection_alist))) | |
796 | Vselection_alist = Fcdr (Vselection_alist); | |
797 | else | |
798 | { | |
799 | Lisp_Object rest; | |
800 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) | |
801 | if (EQ (local_selection_data, Fcar (XCONS (rest)->cdr))) | |
802 | { | |
803 | XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr); | |
804 | break; | |
805 | } | |
806 | } | |
807 | ||
808 | /* Let random lisp code notice that the selection has been stolen. */ | |
809 | ||
810 | { | |
d1f21a66 RS |
811 | Lisp_Object rest; |
812 | rest = Vx_lost_selection_hooks; | |
ede4db72 | 813 | if (!EQ (rest, Qunbound)) |
d1f21a66 RS |
814 | { |
815 | for (; CONSP (rest); rest = Fcdr (rest)) | |
816 | call1 (Fcar (rest), selection_symbol); | |
7c6b2ea4 | 817 | prepare_menu_bars (); |
d1f21a66 RS |
818 | redisplay_preserve_echo_area (); |
819 | } | |
ede4db72 RS |
820 | } |
821 | } | |
822 | ||
118bd841 RS |
823 | /* Clear all selections that were made from frame F. |
824 | We do this when about to delete a frame. */ | |
825 | ||
826 | void | |
827 | x_clear_frame_selections (f) | |
828 | FRAME_PTR f; | |
829 | { | |
830 | Lisp_Object frame; | |
831 | Lisp_Object rest; | |
832 | ||
90851bbe | 833 | XSETFRAME (frame, f); |
118bd841 RS |
834 | |
835 | /* Otherwise, we're really honest and truly being told to drop it. | |
836 | Don't use Fdelq as that may QUIT;. */ | |
837 | ||
0d199f9c RS |
838 | /* Delete elements from the beginning of Vselection_alist. */ |
839 | while (!NILP (Vselection_alist) | |
840 | && EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (Vselection_alist))))))) | |
841 | { | |
842 | /* Let random Lisp code notice that the selection has been stolen. */ | |
843 | Lisp_Object hooks, selection_symbol; | |
844 | ||
845 | hooks = Vx_lost_selection_hooks; | |
846 | selection_symbol = Fcar (Fcar (Vselection_alist)); | |
847 | ||
848 | if (!EQ (hooks, Qunbound)) | |
849 | { | |
850 | for (; CONSP (hooks); hooks = Fcdr (hooks)) | |
851 | call1 (Fcar (hooks), selection_symbol); | |
996b804d MB |
852 | #if 0 /* This can crash when deleting a frame |
853 | from x_connection_closed. Anyway, it seems unnecessary; | |
854 | something else should cause a redisplay. */ | |
0d199f9c | 855 | redisplay_preserve_echo_area (); |
996b804d | 856 | #endif |
0d199f9c RS |
857 | } |
858 | ||
859 | Vselection_alist = Fcdr (Vselection_alist); | |
860 | } | |
861 | ||
862 | /* Delete elements after the beginning of Vselection_alist. */ | |
118bd841 RS |
863 | for (rest = Vselection_alist; !NILP (rest); rest = Fcdr (rest)) |
864 | if (EQ (frame, Fcar (Fcdr (Fcdr (Fcdr (Fcar (XCONS (rest)->cdr))))))) | |
865 | { | |
866 | /* Let random Lisp code notice that the selection has been stolen. */ | |
867 | Lisp_Object hooks, selection_symbol; | |
868 | ||
869 | hooks = Vx_lost_selection_hooks; | |
0d199f9c | 870 | selection_symbol = Fcar (Fcar (XCONS (rest)->cdr)); |
118bd841 RS |
871 | |
872 | if (!EQ (hooks, Qunbound)) | |
873 | { | |
874 | for (; CONSP (hooks); hooks = Fcdr (hooks)) | |
875 | call1 (Fcar (hooks), selection_symbol); | |
996b804d | 876 | #if 0 /* See above */ |
118bd841 | 877 | redisplay_preserve_echo_area (); |
996b804d | 878 | #endif |
118bd841 RS |
879 | } |
880 | XCONS (rest)->cdr = Fcdr (XCONS (rest)->cdr); | |
881 | break; | |
882 | } | |
883 | } | |
ede4db72 | 884 | \f |
ede4db72 RS |
885 | /* Nonzero if any properties for DISPLAY and WINDOW |
886 | are on the list of what we are waiting for. */ | |
887 | ||
888 | static int | |
889 | waiting_for_other_props_on_window (display, window) | |
890 | Display *display; | |
891 | Window window; | |
892 | { | |
893 | struct prop_location *rest = property_change_wait_list; | |
894 | while (rest) | |
895 | if (rest->display == display && rest->window == window) | |
896 | return 1; | |
897 | else | |
898 | rest = rest->next; | |
899 | return 0; | |
900 | } | |
901 | ||
902 | /* Add an entry to the list of property changes we are waiting for. | |
903 | DISPLAY, WINDOW, PROPERTY, STATE describe what we will wait for. | |
904 | The return value is a number that uniquely identifies | |
905 | this awaited property change. */ | |
906 | ||
d1f21a66 | 907 | static struct prop_location * |
ede4db72 RS |
908 | expect_property_change (display, window, property, state) |
909 | Display *display; | |
910 | Window window; | |
6c070502 | 911 | Atom property; |
ede4db72 RS |
912 | int state; |
913 | { | |
914 | struct prop_location *pl | |
915 | = (struct prop_location *) xmalloc (sizeof (struct prop_location)); | |
2f65feb6 | 916 | pl->identifier = ++prop_location_identifier; |
ede4db72 RS |
917 | pl->display = display; |
918 | pl->window = window; | |
919 | pl->property = property; | |
920 | pl->desired_state = state; | |
921 | pl->next = property_change_wait_list; | |
d1f21a66 | 922 | pl->arrived = 0; |
ede4db72 | 923 | property_change_wait_list = pl; |
d1f21a66 | 924 | return pl; |
ede4db72 RS |
925 | } |
926 | ||
927 | /* Delete an entry from the list of property changes we are waiting for. | |
2f65feb6 | 928 | IDENTIFIER is the number that uniquely identifies the entry. */ |
ede4db72 RS |
929 | |
930 | static void | |
d1f21a66 RS |
931 | unexpect_property_change (location) |
932 | struct prop_location *location; | |
ede4db72 RS |
933 | { |
934 | struct prop_location *prev = 0, *rest = property_change_wait_list; | |
935 | while (rest) | |
936 | { | |
d1f21a66 | 937 | if (rest == location) |
ede4db72 RS |
938 | { |
939 | if (prev) | |
940 | prev->next = rest->next; | |
941 | else | |
942 | property_change_wait_list = rest->next; | |
4feb31b2 | 943 | xfree (rest); |
ede4db72 RS |
944 | return; |
945 | } | |
946 | prev = rest; | |
947 | rest = rest->next; | |
948 | } | |
949 | } | |
950 | ||
2f65feb6 RS |
951 | /* Remove the property change expectation element for IDENTIFIER. */ |
952 | ||
953 | static Lisp_Object | |
954 | wait_for_property_change_unwind (identifierval) | |
955 | Lisp_Object identifierval; | |
956 | { | |
c4898489 KH |
957 | unexpect_property_change ((struct prop_location *) |
958 | (XFASTINT (XCONS (identifierval)->car) << 16 | |
959 | | XFASTINT (XCONS (identifierval)->cdr))); | |
ab552306 | 960 | return Qnil; |
2f65feb6 RS |
961 | } |
962 | ||
ede4db72 | 963 | /* Actually wait for a property change. |
2f65feb6 | 964 | IDENTIFIER should be the value that expect_property_change returned. */ |
ede4db72 RS |
965 | |
966 | static void | |
d1f21a66 RS |
967 | wait_for_property_change (location) |
968 | struct prop_location *location; | |
ede4db72 | 969 | { |
2f65feb6 RS |
970 | int secs, usecs; |
971 | int count = specpdl_ptr - specpdl; | |
d1f21a66 RS |
972 | Lisp_Object tem; |
973 | ||
c4898489 KH |
974 | tem = Fcons (Qnil, Qnil); |
975 | XSETFASTINT (XCONS (tem)->car, (EMACS_UINT)location >> 16); | |
976 | XSETFASTINT (XCONS (tem)->cdr, (EMACS_UINT)location & 0xffff); | |
2f65feb6 RS |
977 | |
978 | /* Make sure to do unexpect_property_change if we quit or err. */ | |
d1f21a66 | 979 | record_unwind_protect (wait_for_property_change_unwind, tem); |
2f65feb6 | 980 | |
ede4db72 | 981 | XCONS (property_change_reply)->car = Qnil; |
2f65feb6 | 982 | |
afe1529d RS |
983 | property_change_reply_object = location; |
984 | /* If the event we are waiting for arrives beyond here, it will set | |
985 | property_change_reply, because property_change_reply_object says so. */ | |
d1f21a66 RS |
986 | if (! location->arrived) |
987 | { | |
d1f21a66 RS |
988 | secs = x_selection_timeout / 1000; |
989 | usecs = (x_selection_timeout % 1000) * 1000; | |
990 | wait_reading_process_input (secs, usecs, property_change_reply, 0); | |
991 | ||
992 | if (NILP (XCONS (property_change_reply)->car)) | |
606140dd | 993 | error ("Timed out waiting for property-notify event"); |
d1f21a66 | 994 | } |
2f65feb6 RS |
995 | |
996 | unbind_to (count, Qnil); | |
ede4db72 RS |
997 | } |
998 | ||
999 | /* Called from XTread_socket in response to a PropertyNotify event. */ | |
1000 | ||
1001 | void | |
1002 | x_handle_property_notify (event) | |
1003 | XPropertyEvent *event; | |
1004 | { | |
1005 | struct prop_location *prev = 0, *rest = property_change_wait_list; | |
1006 | while (rest) | |
1007 | { | |
1008 | if (rest->property == event->atom | |
1009 | && rest->window == event->window | |
1010 | && rest->display == event->display | |
1011 | && rest->desired_state == event->state) | |
1012 | { | |
1013 | #if 0 | |
1014 | fprintf (stderr, "Saw expected prop-%s on %s\n", | |
1015 | (event->state == PropertyDelete ? "delete" : "change"), | |
5c3a351a | 1016 | (char *) XSYMBOL (x_atom_to_symbol (dpyinfo, event->display, |
ede4db72 RS |
1017 | event->atom)) |
1018 | ->name->data); | |
1019 | #endif | |
1020 | ||
d1f21a66 RS |
1021 | rest->arrived = 1; |
1022 | ||
ede4db72 RS |
1023 | /* If this is the one wait_for_property_change is waiting for, |
1024 | tell it to wake up. */ | |
d1f21a66 | 1025 | if (rest == property_change_reply_object) |
ede4db72 RS |
1026 | XCONS (property_change_reply)->car = Qt; |
1027 | ||
1028 | if (prev) | |
1029 | prev->next = rest->next; | |
1030 | else | |
1031 | property_change_wait_list = rest->next; | |
4feb31b2 | 1032 | xfree (rest); |
ede4db72 RS |
1033 | return; |
1034 | } | |
1035 | prev = rest; | |
1036 | rest = rest->next; | |
1037 | } | |
1038 | #if 0 | |
1039 | fprintf (stderr, "Saw UNexpected prop-%s on %s\n", | |
1040 | (event->state == PropertyDelete ? "delete" : "change"), | |
5c3a351a RS |
1041 | (char *) XSYMBOL (x_atom_to_symbol (dpyinfo, |
1042 | event->display, event->atom)) | |
ede4db72 RS |
1043 | ->name->data); |
1044 | #endif | |
1045 | } | |
1046 | ||
1047 | ||
1048 | \f | |
1049 | #if 0 /* #### MULTIPLE doesn't work yet */ | |
1050 | ||
1051 | static Lisp_Object | |
1052 | fetch_multiple_target (event) | |
1053 | XSelectionRequestEvent *event; | |
1054 | { | |
1055 | Display *display = event->display; | |
5d0ba25b | 1056 | Window window = event->requestor; |
ede4db72 RS |
1057 | Atom target = event->target; |
1058 | Atom selection_atom = event->selection; | |
1059 | int result; | |
1060 | ||
1061 | return | |
1062 | Fcons (QMULTIPLE, | |
1063 | x_get_window_property_as_lisp_data (display, window, target, | |
1064 | QMULTIPLE, selection_atom)); | |
1065 | } | |
1066 | ||
1067 | static Lisp_Object | |
1068 | copy_multiple_data (obj) | |
1069 | Lisp_Object obj; | |
1070 | { | |
1071 | Lisp_Object vec; | |
1072 | int i; | |
1073 | int size; | |
1074 | if (CONSP (obj)) | |
1075 | return Fcons (XCONS (obj)->car, copy_multiple_data (XCONS (obj)->cdr)); | |
1076 | ||
1077 | CHECK_VECTOR (obj, 0); | |
1078 | vec = Fmake_vector (size = XVECTOR (obj)->size, Qnil); | |
1079 | for (i = 0; i < size; i++) | |
1080 | { | |
1081 | Lisp_Object vec2 = XVECTOR (obj)->contents [i]; | |
1082 | CHECK_VECTOR (vec2, 0); | |
1083 | if (XVECTOR (vec2)->size != 2) | |
1084 | /* ??? Confusing error message */ | |
1085 | Fsignal (Qerror, Fcons (build_string ("vectors must be of length 2"), | |
1086 | Fcons (vec2, Qnil))); | |
1087 | XVECTOR (vec)->contents [i] = Fmake_vector (2, Qnil); | |
1088 | XVECTOR (XVECTOR (vec)->contents [i])->contents [0] | |
1089 | = XVECTOR (vec2)->contents [0]; | |
1090 | XVECTOR (XVECTOR (vec)->contents [i])->contents [1] | |
1091 | = XVECTOR (vec2)->contents [1]; | |
1092 | } | |
1093 | return vec; | |
1094 | } | |
1095 | ||
1096 | #endif | |
1097 | ||
1098 | \f | |
1099 | /* Variables for communication with x_handle_selection_notify. */ | |
1100 | static Atom reading_which_selection; | |
1101 | static Lisp_Object reading_selection_reply; | |
1102 | static Window reading_selection_window; | |
1103 | ||
1104 | /* Do protocol to read selection-data from the server. | |
1105 | Converts this to Lisp data and returns it. */ | |
1106 | ||
1107 | static Lisp_Object | |
1108 | x_get_foreign_selection (selection_symbol, target_type) | |
1109 | Lisp_Object selection_symbol, target_type; | |
1110 | { | |
5d0ba25b | 1111 | Window requestor_window = FRAME_X_WINDOW (selected_frame); |
3834c318 | 1112 | Display *display = FRAME_X_DISPLAY (selected_frame); |
5c3a351a | 1113 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame); |
5d0ba25b | 1114 | Time requestor_time = last_event_timestamp; |
5c3a351a RS |
1115 | Atom target_property = dpyinfo->Xatom_EMACS_TMP; |
1116 | Atom selection_atom = symbol_to_x_atom (dpyinfo, display, selection_symbol); | |
ede4db72 | 1117 | Atom type_atom; |
80da0190 | 1118 | int secs, usecs; |
5a499696 | 1119 | int count; |
55b2d45d | 1120 | Lisp_Object frame; |
ede4db72 RS |
1121 | |
1122 | if (CONSP (target_type)) | |
5c3a351a | 1123 | type_atom = symbol_to_x_atom (dpyinfo, display, XCONS (target_type)->car); |
ede4db72 | 1124 | else |
5c3a351a | 1125 | type_atom = symbol_to_x_atom (dpyinfo, display, target_type); |
ede4db72 RS |
1126 | |
1127 | BLOCK_INPUT; | |
5a499696 | 1128 | count = x_catch_errors (display); |
ede4db72 | 1129 | XConvertSelection (display, selection_atom, type_atom, target_property, |
5d0ba25b | 1130 | requestor_window, requestor_time); |
5c3a351a | 1131 | XFlush (display); |
ede4db72 RS |
1132 | |
1133 | /* Prepare to block until the reply has been read. */ | |
5d0ba25b | 1134 | reading_selection_window = requestor_window; |
ede4db72 RS |
1135 | reading_which_selection = selection_atom; |
1136 | XCONS (reading_selection_reply)->car = Qnil; | |
55b2d45d RS |
1137 | |
1138 | frame = some_frame_on_display (dpyinfo); | |
1139 | ||
1140 | /* If the display no longer has frames, we can't expect | |
1141 | to get many more selection requests from it, so don't | |
1142 | bother trying to queue them. */ | |
1143 | if (!NILP (frame)) | |
1144 | { | |
1145 | x_start_queuing_selection_requests (display); | |
1146 | ||
1147 | record_unwind_protect (queue_selection_requests_unwind, | |
1148 | frame); | |
1149 | } | |
ede4db72 RS |
1150 | UNBLOCK_INPUT; |
1151 | ||
80da0190 RS |
1152 | /* This allows quits. Also, don't wait forever. */ |
1153 | secs = x_selection_timeout / 1000; | |
1154 | usecs = (x_selection_timeout % 1000) * 1000; | |
1155 | wait_reading_process_input (secs, usecs, reading_selection_reply, 0); | |
ede4db72 | 1156 | |
7c6b2ea4 | 1157 | BLOCK_INPUT; |
a7b24d46 | 1158 | x_check_errors (display, "Cannot get selection: %s"); |
5a499696 | 1159 | x_uncatch_errors (display, count); |
7c6b2ea4 RS |
1160 | UNBLOCK_INPUT; |
1161 | ||
ede4db72 | 1162 | if (NILP (XCONS (reading_selection_reply)->car)) |
606140dd KH |
1163 | error ("Timed out waiting for reply from selection owner"); |
1164 | if (EQ (XCONS (reading_selection_reply)->car, Qlambda)) | |
1165 | error ("No `%s' selection", XSYMBOL (selection_symbol)->name->data); | |
ede4db72 RS |
1166 | |
1167 | /* Otherwise, the selection is waiting for us on the requested property. */ | |
1168 | return | |
5d0ba25b | 1169 | x_get_window_property_as_lisp_data (display, requestor_window, |
ede4db72 RS |
1170 | target_property, target_type, |
1171 | selection_atom); | |
1172 | } | |
1173 | \f | |
1174 | /* Subroutines of x_get_window_property_as_lisp_data */ | |
1175 | ||
4feb31b2 | 1176 | /* Use xfree, not XFree, to free the data obtained with this function. */ |
0158abbc | 1177 | |
ede4db72 RS |
1178 | static void |
1179 | x_get_window_property (display, window, property, data_ret, bytes_ret, | |
1180 | actual_type_ret, actual_format_ret, actual_size_ret, | |
1181 | delete_p) | |
1182 | Display *display; | |
1183 | Window window; | |
1184 | Atom property; | |
1185 | unsigned char **data_ret; | |
1186 | int *bytes_ret; | |
1187 | Atom *actual_type_ret; | |
1188 | int *actual_format_ret; | |
1189 | unsigned long *actual_size_ret; | |
1190 | int delete_p; | |
1191 | { | |
1192 | int total_size; | |
1193 | unsigned long bytes_remaining; | |
1194 | int offset = 0; | |
1195 | unsigned char *tmp_data = 0; | |
1196 | int result; | |
1197 | int buffer_size = SELECTION_QUANTUM (display); | |
1198 | if (buffer_size > MAX_SELECTION_QUANTUM) buffer_size = MAX_SELECTION_QUANTUM; | |
1199 | ||
1200 | BLOCK_INPUT; | |
1201 | /* First probe the thing to find out how big it is. */ | |
1202 | result = XGetWindowProperty (display, window, property, | |
137edb72 | 1203 | 0L, 0L, False, AnyPropertyType, |
ede4db72 RS |
1204 | actual_type_ret, actual_format_ret, |
1205 | actual_size_ret, | |
1206 | &bytes_remaining, &tmp_data); | |
ede4db72 RS |
1207 | if (result != Success) |
1208 | { | |
2f65feb6 | 1209 | UNBLOCK_INPUT; |
ede4db72 RS |
1210 | *data_ret = 0; |
1211 | *bytes_ret = 0; | |
1212 | return; | |
1213 | } | |
0158abbc RS |
1214 | /* This was allocated by Xlib, so use XFree. */ |
1215 | XFree ((char *) tmp_data); | |
ede4db72 RS |
1216 | |
1217 | if (*actual_type_ret == None || *actual_format_ret == 0) | |
1218 | { | |
2f65feb6 | 1219 | UNBLOCK_INPUT; |
ede4db72 RS |
1220 | return; |
1221 | } | |
1222 | ||
1223 | total_size = bytes_remaining + 1; | |
1224 | *data_ret = (unsigned char *) xmalloc (total_size); | |
1225 | ||
2a1a4c9d | 1226 | /* Now read, until we've gotten it all. */ |
ede4db72 RS |
1227 | while (bytes_remaining) |
1228 | { | |
1229 | #if 0 | |
1230 | int last = bytes_remaining; | |
1231 | #endif | |
1232 | result | |
1233 | = XGetWindowProperty (display, window, property, | |
137edb72 | 1234 | (long)offset/4, (long)buffer_size/4, |
2f65feb6 | 1235 | False, |
ede4db72 RS |
1236 | AnyPropertyType, |
1237 | actual_type_ret, actual_format_ret, | |
1238 | actual_size_ret, &bytes_remaining, &tmp_data); | |
1239 | #if 0 | |
1240 | fprintf (stderr, "<< read %d\n", last-bytes_remaining); | |
1241 | #endif | |
1242 | /* If this doesn't return Success at this point, it means that | |
1243 | some clod deleted the selection while we were in the midst of | |
1244 | reading it. Deal with that, I guess.... | |
1245 | */ | |
1246 | if (result != Success) break; | |
1247 | *actual_size_ret *= *actual_format_ret / 8; | |
1248 | bcopy (tmp_data, (*data_ret) + offset, *actual_size_ret); | |
1249 | offset += *actual_size_ret; | |
0158abbc RS |
1250 | /* This was allocated by Xlib, so use XFree. */ |
1251 | XFree ((char *) tmp_data); | |
ede4db72 | 1252 | } |
2f65feb6 | 1253 | |
5c3a351a | 1254 | XFlush (display); |
ede4db72 RS |
1255 | UNBLOCK_INPUT; |
1256 | *bytes_ret = offset; | |
1257 | } | |
1258 | \f | |
4feb31b2 | 1259 | /* Use xfree, not XFree, to free the data obtained with this function. */ |
0158abbc | 1260 | |
ede4db72 RS |
1261 | static void |
1262 | receive_incremental_selection (display, window, property, target_type, | |
1263 | min_size_bytes, data_ret, size_bytes_ret, | |
1264 | type_ret, format_ret, size_ret) | |
1265 | Display *display; | |
1266 | Window window; | |
1267 | Atom property; | |
1268 | Lisp_Object target_type; /* for error messages only */ | |
1269 | unsigned int min_size_bytes; | |
1270 | unsigned char **data_ret; | |
1271 | int *size_bytes_ret; | |
1272 | Atom *type_ret; | |
1273 | unsigned long *size_ret; | |
1274 | int *format_ret; | |
1275 | { | |
1276 | int offset = 0; | |
d1f21a66 | 1277 | struct prop_location *wait_object; |
ede4db72 RS |
1278 | *size_bytes_ret = min_size_bytes; |
1279 | *data_ret = (unsigned char *) xmalloc (*size_bytes_ret); | |
1280 | #if 0 | |
1281 | fprintf (stderr, "\nread INCR %d\n", min_size_bytes); | |
1282 | #endif | |
2f65feb6 RS |
1283 | |
1284 | /* At this point, we have read an INCR property. | |
1285 | Delete the property to ack it. | |
1286 | (But first, prepare to receive the next event in this handshake.) | |
ede4db72 RS |
1287 | |
1288 | Now, we must loop, waiting for the sending window to put a value on | |
1289 | that property, then reading the property, then deleting it to ack. | |
1290 | We are done when the sender places a property of length 0. | |
1291 | */ | |
2f65feb6 RS |
1292 | BLOCK_INPUT; |
1293 | XSelectInput (display, window, STANDARD_EVENT_SET | PropertyChangeMask); | |
1294 | XDeleteProperty (display, window, property); | |
d1f21a66 RS |
1295 | wait_object = expect_property_change (display, window, property, |
1296 | PropertyNewValue); | |
5c3a351a | 1297 | XFlush (display); |
2f65feb6 RS |
1298 | UNBLOCK_INPUT; |
1299 | ||
ede4db72 RS |
1300 | while (1) |
1301 | { | |
1302 | unsigned char *tmp_data; | |
1303 | int tmp_size_bytes; | |
d1f21a66 | 1304 | wait_for_property_change (wait_object); |
ede4db72 | 1305 | /* expect it again immediately, because x_get_window_property may |
2a1a4c9d | 1306 | .. no it won't, I don't get it. |
ede4db72 RS |
1307 | .. Ok, I get it now, the Xt code that implements INCR is broken. |
1308 | */ | |
ede4db72 RS |
1309 | x_get_window_property (display, window, property, |
1310 | &tmp_data, &tmp_size_bytes, | |
1311 | type_ret, format_ret, size_ret, 1); | |
1312 | ||
1313 | if (tmp_size_bytes == 0) /* we're done */ | |
1314 | { | |
1315 | #if 0 | |
1316 | fprintf (stderr, " read INCR done\n"); | |
1317 | #endif | |
2f65feb6 RS |
1318 | if (! waiting_for_other_props_on_window (display, window)) |
1319 | XSelectInput (display, window, STANDARD_EVENT_SET); | |
d1f21a66 | 1320 | unexpect_property_change (wait_object); |
4feb31b2 | 1321 | /* Use xfree, not XFree, because x_get_window_property |
0158abbc | 1322 | calls xmalloc itself. */ |
4feb31b2 | 1323 | if (tmp_data) xfree (tmp_data); |
ede4db72 RS |
1324 | break; |
1325 | } | |
2f65feb6 RS |
1326 | |
1327 | BLOCK_INPUT; | |
1328 | XDeleteProperty (display, window, property); | |
d1f21a66 RS |
1329 | wait_object = expect_property_change (display, window, property, |
1330 | PropertyNewValue); | |
5c3a351a | 1331 | XFlush (display); |
2f65feb6 RS |
1332 | UNBLOCK_INPUT; |
1333 | ||
ede4db72 RS |
1334 | #if 0 |
1335 | fprintf (stderr, " read INCR %d\n", tmp_size_bytes); | |
1336 | #endif | |
1337 | if (*size_bytes_ret < offset + tmp_size_bytes) | |
1338 | { | |
1339 | #if 0 | |
1340 | fprintf (stderr, " read INCR realloc %d -> %d\n", | |
1341 | *size_bytes_ret, offset + tmp_size_bytes); | |
1342 | #endif | |
1343 | *size_bytes_ret = offset + tmp_size_bytes; | |
1344 | *data_ret = (unsigned char *) xrealloc (*data_ret, *size_bytes_ret); | |
1345 | } | |
018cfa07 | 1346 | bcopy (tmp_data, (*data_ret) + offset, tmp_size_bytes); |
ede4db72 | 1347 | offset += tmp_size_bytes; |
4feb31b2 | 1348 | /* Use xfree, not XFree, because x_get_window_property |
0158abbc | 1349 | calls xmalloc itself. */ |
4feb31b2 | 1350 | xfree (tmp_data); |
ede4db72 RS |
1351 | } |
1352 | } | |
1353 | \f | |
1354 | /* Once a requested selection is "ready" (we got a SelectionNotify event), | |
1355 | fetch value from property PROPERTY of X window WINDOW on display DISPLAY. | |
1356 | TARGET_TYPE and SELECTION_ATOM are used in error message if this fails. */ | |
1357 | ||
1358 | static Lisp_Object | |
1359 | x_get_window_property_as_lisp_data (display, window, property, target_type, | |
1360 | selection_atom) | |
1361 | Display *display; | |
1362 | Window window; | |
1363 | Atom property; | |
1364 | Lisp_Object target_type; /* for error messages only */ | |
1365 | Atom selection_atom; /* for error messages only */ | |
1366 | { | |
1367 | Atom actual_type; | |
1368 | int actual_format; | |
1369 | unsigned long actual_size; | |
1370 | unsigned char *data = 0; | |
1371 | int bytes = 0; | |
1372 | Lisp_Object val; | |
5c3a351a | 1373 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
ede4db72 RS |
1374 | |
1375 | x_get_window_property (display, window, property, &data, &bytes, | |
1376 | &actual_type, &actual_format, &actual_size, 1); | |
1377 | if (! data) | |
1378 | { | |
1379 | int there_is_a_selection_owner; | |
1380 | BLOCK_INPUT; | |
1381 | there_is_a_selection_owner | |
1382 | = XGetSelectionOwner (display, selection_atom); | |
1383 | UNBLOCK_INPUT; | |
5a499696 RS |
1384 | Fsignal (Qerror, |
1385 | there_is_a_selection_owner | |
1386 | ? Fcons (build_string ("selection owner couldn't convert"), | |
ede4db72 RS |
1387 | actual_type |
1388 | ? Fcons (target_type, | |
5c3a351a RS |
1389 | Fcons (x_atom_to_symbol (dpyinfo, display, |
1390 | actual_type), | |
ede4db72 RS |
1391 | Qnil)) |
1392 | : Fcons (target_type, Qnil)) | |
5a499696 RS |
1393 | : Fcons (build_string ("no selection"), |
1394 | Fcons (x_atom_to_symbol (dpyinfo, display, | |
1395 | selection_atom), | |
1396 | Qnil))); | |
ede4db72 RS |
1397 | } |
1398 | ||
5c3a351a | 1399 | if (actual_type == dpyinfo->Xatom_INCR) |
ede4db72 RS |
1400 | { |
1401 | /* That wasn't really the data, just the beginning. */ | |
1402 | ||
1403 | unsigned int min_size_bytes = * ((unsigned int *) data); | |
1404 | BLOCK_INPUT; | |
4feb31b2 | 1405 | /* Use xfree, not XFree, because x_get_window_property |
0158abbc | 1406 | calls xmalloc itself. */ |
4feb31b2 | 1407 | xfree ((char *) data); |
ede4db72 RS |
1408 | UNBLOCK_INPUT; |
1409 | receive_incremental_selection (display, window, property, target_type, | |
1410 | min_size_bytes, &data, &bytes, | |
1411 | &actual_type, &actual_format, | |
1412 | &actual_size); | |
1413 | } | |
1414 | ||
2f65feb6 RS |
1415 | BLOCK_INPUT; |
1416 | XDeleteProperty (display, window, property); | |
5c3a351a | 1417 | XFlush (display); |
2f65feb6 RS |
1418 | UNBLOCK_INPUT; |
1419 | ||
ede4db72 RS |
1420 | /* It's been read. Now convert it to a lisp object in some semi-rational |
1421 | manner. */ | |
1422 | val = selection_data_to_lisp_data (display, data, bytes, | |
1423 | actual_type, actual_format); | |
1424 | ||
4feb31b2 | 1425 | /* Use xfree, not XFree, because x_get_window_property |
0158abbc | 1426 | calls xmalloc itself. */ |
4feb31b2 | 1427 | xfree ((char *) data); |
ede4db72 RS |
1428 | return val; |
1429 | } | |
1430 | \f | |
1431 | /* These functions convert from the selection data read from the server into | |
1432 | something that we can use from Lisp, and vice versa. | |
1433 | ||
1434 | Type: Format: Size: Lisp Type: | |
1435 | ----- ------- ----- ----------- | |
1436 | * 8 * String | |
1437 | ATOM 32 1 Symbol | |
1438 | ATOM 32 > 1 Vector of Symbols | |
1439 | * 16 1 Integer | |
1440 | * 16 > 1 Vector of Integers | |
1441 | * 32 1 if <=16 bits: Integer | |
1442 | if > 16 bits: Cons of top16, bot16 | |
1443 | * 32 > 1 Vector of the above | |
1444 | ||
1445 | When converting a Lisp number to C, it is assumed to be of format 16 if | |
1446 | it is an integer, and of format 32 if it is a cons of two integers. | |
1447 | ||
1448 | When converting a vector of numbers from Lisp to C, it is assumed to be | |
1449 | of format 16 if every element in the vector is an integer, and is assumed | |
1450 | to be of format 32 if any element is a cons of two integers. | |
1451 | ||
1452 | When converting an object to C, it may be of the form (SYMBOL . <data>) | |
1453 | where SYMBOL is what we should claim that the type is. Format and | |
1454 | representation are as above. */ | |
1455 | ||
1456 | ||
1457 | ||
1458 | static Lisp_Object | |
1459 | selection_data_to_lisp_data (display, data, size, type, format) | |
1460 | Display *display; | |
1461 | unsigned char *data; | |
1462 | Atom type; | |
1463 | int size, format; | |
1464 | { | |
5c3a351a | 1465 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
ede4db72 | 1466 | |
5c3a351a | 1467 | if (type == dpyinfo->Xatom_NULL) |
ede4db72 RS |
1468 | return QNULL; |
1469 | ||
1470 | /* Convert any 8-bit data to a string, for compactness. */ | |
1471 | else if (format == 8) | |
e6c7c988 KH |
1472 | { |
1473 | Lisp_Object str; | |
f78da51e KH |
1474 | int require_encoding = 0; |
1475 | ||
d24e26b1 RS |
1476 | if ( |
1477 | #if 1 | |
1478 | 1 | |
1479 | #else | |
1480 | ! NILP (buffer_defaults.enable_multibyte_characters) | |
1481 | #endif | |
1482 | ) | |
f78da51e | 1483 | { |
5faa9b45 KH |
1484 | /* If TYPE is `TEXT' or `COMPOUND_TEXT', we should decode |
1485 | DATA to Emacs internal format because DATA may be encoded | |
1486 | in compound text format. In addtion, if TYPE is `STRING' | |
1487 | and DATA contains any 8-bit Latin-1 code, we should also | |
1488 | decode it. */ | |
1489 | if (type == dpyinfo->Xatom_TEXT | |
1490 | || type == dpyinfo->Xatom_COMPOUND_TEXT) | |
1491 | require_encoding = 1; | |
1492 | else if (type == XA_STRING) | |
f78da51e | 1493 | { |
5faa9b45 KH |
1494 | int i; |
1495 | for (i = 0; i < size; i++) | |
f78da51e | 1496 | { |
5faa9b45 KH |
1497 | if (data[i] >= 0x80) |
1498 | { | |
1499 | require_encoding = 1; | |
1500 | break; | |
1501 | } | |
f78da51e KH |
1502 | } |
1503 | } | |
1504 | } | |
1505 | if (!require_encoding) | |
061bda8d KH |
1506 | { |
1507 | str = make_unibyte_string ((char *) data, size); | |
1508 | Vlast_coding_system_used = Qraw_text; | |
1509 | } | |
e6c7c988 KH |
1510 | else |
1511 | { | |
9391d06a | 1512 | int bufsize; |
e6c7c988 KH |
1513 | unsigned char *buf; |
1514 | struct coding_system coding; | |
e6c7c988 | 1515 | |
16cd5029 KH |
1516 | if (NILP (Vnext_selection_coding_system)) |
1517 | Vnext_selection_coding_system = Vselection_coding_system; | |
2584c9ec | 1518 | setup_coding_system |
16cd5029 KH |
1519 | (Fcheck_coding_system(Vnext_selection_coding_system), &coding); |
1520 | Vnext_selection_coding_system = Qnil; | |
9391d06a | 1521 | coding.mode |= CODING_MODE_LAST_BLOCK; |
e6c7c988 KH |
1522 | bufsize = decoding_buffer_size (&coding, size); |
1523 | buf = (unsigned char *) xmalloc (bufsize); | |
9391d06a | 1524 | decode_coding (&coding, data, buf, size, bufsize); |
25b98b34 KH |
1525 | size = (coding.fake_multibyte |
1526 | ? multibyte_chars_in_text (buf, coding.produced) | |
1527 | : coding.produced_char); | |
1528 | str = make_string_from_bytes ((char *) buf, size, coding.produced); | |
4feb31b2 | 1529 | xfree (buf); |
061bda8d | 1530 | Vlast_coding_system_used = coding.symbol; |
e6c7c988 KH |
1531 | } |
1532 | return str; | |
1533 | } | |
ede4db72 RS |
1534 | /* Convert a single atom to a Lisp_Symbol. Convert a set of atoms to |
1535 | a vector of symbols. | |
1536 | */ | |
1537 | else if (type == XA_ATOM) | |
1538 | { | |
1539 | int i; | |
1540 | if (size == sizeof (Atom)) | |
5c3a351a | 1541 | return x_atom_to_symbol (dpyinfo, display, *((Atom *) data)); |
ede4db72 RS |
1542 | else |
1543 | { | |
e607a484 RS |
1544 | Lisp_Object v = Fmake_vector (make_number (size / sizeof (Atom)), |
1545 | make_number (0)); | |
ede4db72 | 1546 | for (i = 0; i < size / sizeof (Atom); i++) |
e607a484 RS |
1547 | Faset (v, make_number (i), |
1548 | x_atom_to_symbol (dpyinfo, display, ((Atom *) data) [i])); | |
ede4db72 RS |
1549 | return v; |
1550 | } | |
1551 | } | |
1552 | ||
1553 | /* Convert a single 16 or small 32 bit number to a Lisp_Int. | |
1554 | If the number is > 16 bits, convert it to a cons of integers, | |
1555 | 16 bits in each half. | |
1556 | */ | |
1557 | else if (format == 32 && size == sizeof (long)) | |
1558 | return long_to_cons (((unsigned long *) data) [0]); | |
1559 | else if (format == 16 && size == sizeof (short)) | |
1560 | return make_number ((int) (((unsigned short *) data) [0])); | |
1561 | ||
1562 | /* Convert any other kind of data to a vector of numbers, represented | |
1563 | as above (as an integer, or a cons of two 16 bit integers.) | |
1564 | */ | |
1565 | else if (format == 16) | |
1566 | { | |
1567 | int i; | |
937a3875 RS |
1568 | Lisp_Object v; |
1569 | v = Fmake_vector (make_number (size / 2), make_number (0)); | |
1570 | for (i = 0; i < size / 2; i++) | |
ede4db72 RS |
1571 | { |
1572 | int j = (int) ((unsigned short *) data) [i]; | |
e607a484 | 1573 | Faset (v, make_number (i), make_number (j)); |
ede4db72 RS |
1574 | } |
1575 | return v; | |
1576 | } | |
1577 | else | |
1578 | { | |
1579 | int i; | |
e607a484 | 1580 | Lisp_Object v = Fmake_vector (make_number (size / 4), make_number (0)); |
ede4db72 RS |
1581 | for (i = 0; i < size / 4; i++) |
1582 | { | |
1583 | unsigned long j = ((unsigned long *) data) [i]; | |
e607a484 | 1584 | Faset (v, make_number (i), long_to_cons (j)); |
ede4db72 RS |
1585 | } |
1586 | return v; | |
1587 | } | |
1588 | } | |
1589 | ||
1590 | ||
4feb31b2 | 1591 | /* Use xfree, not XFree, to free the data obtained with this function. */ |
0158abbc | 1592 | |
ede4db72 RS |
1593 | static void |
1594 | lisp_data_to_selection_data (display, obj, | |
aca39f42 RS |
1595 | data_ret, type_ret, size_ret, |
1596 | format_ret, nofree_ret) | |
ede4db72 RS |
1597 | Display *display; |
1598 | Lisp_Object obj; | |
1599 | unsigned char **data_ret; | |
1600 | Atom *type_ret; | |
1601 | unsigned int *size_ret; | |
1602 | int *format_ret; | |
aca39f42 | 1603 | int *nofree_ret; |
ede4db72 RS |
1604 | { |
1605 | Lisp_Object type = Qnil; | |
5c3a351a | 1606 | struct x_display_info *dpyinfo = x_display_info_for_display (display); |
aca39f42 RS |
1607 | |
1608 | *nofree_ret = 0; | |
1609 | ||
ede4db72 RS |
1610 | if (CONSP (obj) && SYMBOLP (XCONS (obj)->car)) |
1611 | { | |
1612 | type = XCONS (obj)->car; | |
1613 | obj = XCONS (obj)->cdr; | |
1614 | if (CONSP (obj) && NILP (XCONS (obj)->cdr)) | |
1615 | obj = XCONS (obj)->car; | |
1616 | } | |
1617 | ||
1618 | if (EQ (obj, QNULL) || (EQ (type, QNULL))) | |
1619 | { /* This is not the same as declining */ | |
1620 | *format_ret = 32; | |
1621 | *size_ret = 0; | |
1622 | *data_ret = 0; | |
1623 | type = QNULL; | |
1624 | } | |
1625 | else if (STRINGP (obj)) | |
1626 | { | |
e6c7c988 KH |
1627 | /* Since we are now handling multilingual text, we must consider |
1628 | sending back compound text. */ | |
fb5e77f7 | 1629 | int charsets[MAX_CHARSET + 1]; |
e6c7c988 KH |
1630 | int num; |
1631 | ||
ede4db72 | 1632 | *format_ret = 8; |
fc932ac6 | 1633 | *size_ret = STRING_BYTES (XSTRING (obj)); |
aca39f42 | 1634 | *data_ret = XSTRING (obj)->data; |
fb5e77f7 | 1635 | bzero (charsets, (MAX_CHARSET + 1) * sizeof (int)); |
5faa9b45 | 1636 | num = ((*size_ret <= 1 /* Check the possibility of short cut. */ |
d24e26b1 RS |
1637 | || !STRING_MULTIBYTE (obj) |
1638 | || *size_ret == XSTRING (obj)->size) | |
e6c7c988 | 1639 | ? 0 |
6b123f32 | 1640 | : find_charset_in_str (*data_ret, *size_ret, charsets, Qnil, 0)); |
e6c7c988 KH |
1641 | |
1642 | if (!num || (num == 1 && charsets[CHARSET_ASCII])) | |
1643 | { | |
1644 | /* No multibyte character in OBJ. We need not encode it. */ | |
1645 | *nofree_ret = 1; | |
1646 | if (NILP (type)) type = QSTRING; | |
061bda8d | 1647 | Vlast_coding_system_used = Qraw_text; |
e6c7c988 KH |
1648 | } |
1649 | else | |
1650 | { | |
1651 | /* We must encode contents of OBJ to compound text format. | |
1652 | The format is compatible with what the target `STRING' | |
1653 | expects if OBJ contains only ASCII and Latin-1 | |
1654 | characters. */ | |
9391d06a | 1655 | int bufsize; |
e6c7c988 KH |
1656 | unsigned char *buf; |
1657 | struct coding_system coding; | |
e6c7c988 | 1658 | |
16cd5029 KH |
1659 | if (NILP (Vnext_selection_coding_system)) |
1660 | Vnext_selection_coding_system = Vselection_coding_system; | |
2584c9ec | 1661 | setup_coding_system |
16cd5029 KH |
1662 | (Fcheck_coding_system (Vnext_selection_coding_system), &coding); |
1663 | Vnext_selection_coding_system = Qnil; | |
9391d06a | 1664 | coding.mode |= CODING_MODE_LAST_BLOCK; |
e6c7c988 KH |
1665 | bufsize = encoding_buffer_size (&coding, *size_ret); |
1666 | buf = (unsigned char *) xmalloc (bufsize); | |
9391d06a KH |
1667 | encode_coding (&coding, *data_ret, buf, *size_ret, bufsize); |
1668 | *size_ret = coding.produced; | |
e6c7c988 | 1669 | *data_ret = buf; |
5faa9b45 | 1670 | if (charsets[charset_latin_iso8859_1] |
e6c7c988 KH |
1671 | && (num == 1 || (num == 2 && charsets[CHARSET_ASCII]))) |
1672 | { | |
1673 | /* Ok, we can return it as `STRING'. */ | |
1674 | if (NILP (type)) type = QSTRING; | |
1675 | } | |
1676 | else | |
1677 | { | |
1678 | /* We must return it as `COMPOUND_TEXT'. */ | |
1679 | if (NILP (type)) type = QCOMPOUND_TEXT; | |
1680 | } | |
061bda8d | 1681 | Vlast_coding_system_used = coding.symbol; |
e6c7c988 | 1682 | } |
ede4db72 RS |
1683 | } |
1684 | else if (SYMBOLP (obj)) | |
1685 | { | |
1686 | *format_ret = 32; | |
1687 | *size_ret = 1; | |
1688 | *data_ret = (unsigned char *) xmalloc (sizeof (Atom) + 1); | |
1689 | (*data_ret) [sizeof (Atom)] = 0; | |
5c3a351a | 1690 | (*(Atom **) data_ret) [0] = symbol_to_x_atom (dpyinfo, display, obj); |
ede4db72 RS |
1691 | if (NILP (type)) type = QATOM; |
1692 | } | |
7da64e5c | 1693 | else if (INTEGERP (obj) |
ede4db72 RS |
1694 | && XINT (obj) < 0xFFFF |
1695 | && XINT (obj) > -0xFFFF) | |
1696 | { | |
1697 | *format_ret = 16; | |
1698 | *size_ret = 1; | |
1699 | *data_ret = (unsigned char *) xmalloc (sizeof (short) + 1); | |
1700 | (*data_ret) [sizeof (short)] = 0; | |
1701 | (*(short **) data_ret) [0] = (short) XINT (obj); | |
1702 | if (NILP (type)) type = QINTEGER; | |
1703 | } | |
a87ed99c RS |
1704 | else if (INTEGERP (obj) |
1705 | || (CONSP (obj) && INTEGERP (XCONS (obj)->car) | |
1706 | && (INTEGERP (XCONS (obj)->cdr) | |
1707 | || (CONSP (XCONS (obj)->cdr) | |
1708 | && INTEGERP (XCONS (XCONS (obj)->cdr)->car))))) | |
ede4db72 RS |
1709 | { |
1710 | *format_ret = 32; | |
1711 | *size_ret = 1; | |
1712 | *data_ret = (unsigned char *) xmalloc (sizeof (long) + 1); | |
1713 | (*data_ret) [sizeof (long)] = 0; | |
1714 | (*(unsigned long **) data_ret) [0] = cons_to_long (obj); | |
1715 | if (NILP (type)) type = QINTEGER; | |
1716 | } | |
1717 | else if (VECTORP (obj)) | |
1718 | { | |
1719 | /* Lisp_Vectors may represent a set of ATOMs; | |
1720 | a set of 16 or 32 bit INTEGERs; | |
1721 | or a set of ATOM_PAIRs (represented as [[A1 A2] [A3 A4] ...] | |
1722 | */ | |
1723 | int i; | |
1724 | ||
1725 | if (SYMBOLP (XVECTOR (obj)->contents [0])) | |
1726 | /* This vector is an ATOM set */ | |
1727 | { | |
1728 | if (NILP (type)) type = QATOM; | |
1729 | *size_ret = XVECTOR (obj)->size; | |
1730 | *format_ret = 32; | |
1731 | *data_ret = (unsigned char *) xmalloc ((*size_ret) * sizeof (Atom)); | |
1732 | for (i = 0; i < *size_ret; i++) | |
1733 | if (SYMBOLP (XVECTOR (obj)->contents [i])) | |
1734 | (*(Atom **) data_ret) [i] | |
5c3a351a | 1735 | = symbol_to_x_atom (dpyinfo, display, XVECTOR (obj)->contents [i]); |
ede4db72 RS |
1736 | else |
1737 | Fsignal (Qerror, /* Qselection_error */ | |
1738 | Fcons (build_string | |
1739 | ("all elements of selection vector must have same type"), | |
1740 | Fcons (obj, Qnil))); | |
1741 | } | |
1742 | #if 0 /* #### MULTIPLE doesn't work yet */ | |
1743 | else if (VECTORP (XVECTOR (obj)->contents [0])) | |
1744 | /* This vector is an ATOM_PAIR set */ | |
1745 | { | |
1746 | if (NILP (type)) type = QATOM_PAIR; | |
1747 | *size_ret = XVECTOR (obj)->size; | |
1748 | *format_ret = 32; | |
1749 | *data_ret = (unsigned char *) | |
1750 | xmalloc ((*size_ret) * sizeof (Atom) * 2); | |
1751 | for (i = 0; i < *size_ret; i++) | |
1752 | if (VECTORP (XVECTOR (obj)->contents [i])) | |
1753 | { | |
1754 | Lisp_Object pair = XVECTOR (obj)->contents [i]; | |
1755 | if (XVECTOR (pair)->size != 2) | |
1756 | Fsignal (Qerror, | |
1757 | Fcons (build_string | |
1758 | ("elements of the vector must be vectors of exactly two elements"), | |
1759 | Fcons (pair, Qnil))); | |
1760 | ||
1761 | (*(Atom **) data_ret) [i * 2] | |
5c3a351a RS |
1762 | = symbol_to_x_atom (dpyinfo, display, |
1763 | XVECTOR (pair)->contents [0]); | |
ede4db72 | 1764 | (*(Atom **) data_ret) [(i * 2) + 1] |
5c3a351a RS |
1765 | = symbol_to_x_atom (dpyinfo, display, |
1766 | XVECTOR (pair)->contents [1]); | |
ede4db72 RS |
1767 | } |
1768 | else | |
1769 | Fsignal (Qerror, | |
1770 | Fcons (build_string | |
1771 | ("all elements of the vector must be of the same type"), | |
1772 | Fcons (obj, Qnil))); | |
1773 | ||
1774 | } | |
1775 | #endif | |
1776 | else | |
1777 | /* This vector is an INTEGER set, or something like it */ | |
1778 | { | |
1779 | *size_ret = XVECTOR (obj)->size; | |
1780 | if (NILP (type)) type = QINTEGER; | |
1781 | *format_ret = 16; | |
1782 | for (i = 0; i < *size_ret; i++) | |
1783 | if (CONSP (XVECTOR (obj)->contents [i])) | |
1784 | *format_ret = 32; | |
7da64e5c | 1785 | else if (!INTEGERP (XVECTOR (obj)->contents [i])) |
ede4db72 RS |
1786 | Fsignal (Qerror, /* Qselection_error */ |
1787 | Fcons (build_string | |
1788 | ("elements of selection vector must be integers or conses of integers"), | |
1789 | Fcons (obj, Qnil))); | |
1790 | ||
1791 | *data_ret = (unsigned char *) xmalloc (*size_ret * (*format_ret/8)); | |
1792 | for (i = 0; i < *size_ret; i++) | |
1793 | if (*format_ret == 32) | |
1794 | (*((unsigned long **) data_ret)) [i] | |
1795 | = cons_to_long (XVECTOR (obj)->contents [i]); | |
1796 | else | |
1797 | (*((unsigned short **) data_ret)) [i] | |
1798 | = (unsigned short) cons_to_long (XVECTOR (obj)->contents [i]); | |
1799 | } | |
1800 | } | |
1801 | else | |
1802 | Fsignal (Qerror, /* Qselection_error */ | |
1803 | Fcons (build_string ("unrecognised selection data"), | |
1804 | Fcons (obj, Qnil))); | |
1805 | ||
5c3a351a | 1806 | *type_ret = symbol_to_x_atom (dpyinfo, display, type); |
ede4db72 RS |
1807 | } |
1808 | ||
1809 | static Lisp_Object | |
1810 | clean_local_selection_data (obj) | |
1811 | Lisp_Object obj; | |
1812 | { | |
1813 | if (CONSP (obj) | |
7da64e5c | 1814 | && INTEGERP (XCONS (obj)->car) |
ede4db72 | 1815 | && CONSP (XCONS (obj)->cdr) |
7da64e5c | 1816 | && INTEGERP (XCONS (XCONS (obj)->cdr)->car) |
ede4db72 RS |
1817 | && NILP (XCONS (XCONS (obj)->cdr)->cdr)) |
1818 | obj = Fcons (XCONS (obj)->car, XCONS (obj)->cdr); | |
1819 | ||
1820 | if (CONSP (obj) | |
7da64e5c RS |
1821 | && INTEGERP (XCONS (obj)->car) |
1822 | && INTEGERP (XCONS (obj)->cdr)) | |
ede4db72 RS |
1823 | { |
1824 | if (XINT (XCONS (obj)->car) == 0) | |
1825 | return XCONS (obj)->cdr; | |
1826 | if (XINT (XCONS (obj)->car) == -1) | |
1827 | return make_number (- XINT (XCONS (obj)->cdr)); | |
1828 | } | |
1829 | if (VECTORP (obj)) | |
1830 | { | |
1831 | int i; | |
1832 | int size = XVECTOR (obj)->size; | |
1833 | Lisp_Object copy; | |
1834 | if (size == 1) | |
1835 | return clean_local_selection_data (XVECTOR (obj)->contents [0]); | |
e607a484 | 1836 | copy = Fmake_vector (make_number (size), Qnil); |
ede4db72 RS |
1837 | for (i = 0; i < size; i++) |
1838 | XVECTOR (copy)->contents [i] | |
1839 | = clean_local_selection_data (XVECTOR (obj)->contents [i]); | |
1840 | return copy; | |
1841 | } | |
1842 | return obj; | |
1843 | } | |
1844 | \f | |
1845 | /* Called from XTread_socket to handle SelectionNotify events. | |
606140dd KH |
1846 | If it's the selection we are waiting for, stop waiting |
1847 | by setting the car of reading_selection_reply to non-nil. | |
1848 | We store t there if the reply is successful, lambda if not. */ | |
ede4db72 RS |
1849 | |
1850 | void | |
1851 | x_handle_selection_notify (event) | |
1852 | XSelectionEvent *event; | |
1853 | { | |
5d0ba25b | 1854 | if (event->requestor != reading_selection_window) |
ede4db72 RS |
1855 | return; |
1856 | if (event->selection != reading_which_selection) | |
1857 | return; | |
1858 | ||
606140dd KH |
1859 | XCONS (reading_selection_reply)->car |
1860 | = (event->property != 0 ? Qt : Qlambda); | |
ede4db72 RS |
1861 | } |
1862 | ||
1863 | \f | |
a0d76c27 EN |
1864 | DEFUN ("x-own-selection-internal", Fx_own_selection_internal, |
1865 | Sx_own_selection_internal, 2, 2, 0, | |
ede4db72 RS |
1866 | "Assert an X selection of the given TYPE with the given VALUE.\n\ |
1867 | TYPE is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\ | |
1868 | \(Those are literal upper-case symbol names, since that's what X expects.)\n\ | |
1869 | VALUE is typically a string, or a cons of two markers, but may be\n\ | |
a87ed99c | 1870 | anything that the functions on `selection-converter-alist' know about.") |
ede4db72 RS |
1871 | (selection_name, selection_value) |
1872 | Lisp_Object selection_name, selection_value; | |
1873 | { | |
703e0710 | 1874 | check_x (); |
ede4db72 | 1875 | CHECK_SYMBOL (selection_name, 0); |
606140dd | 1876 | if (NILP (selection_value)) error ("selection-value may not be nil"); |
ede4db72 RS |
1877 | x_own_selection (selection_name, selection_value); |
1878 | return selection_value; | |
1879 | } | |
1880 | ||
1881 | ||
1882 | /* Request the selection value from the owner. If we are the owner, | |
1883 | simply return our selection value. If we are not the owner, this | |
1884 | will block until all of the data has arrived. */ | |
1885 | ||
a0d76c27 EN |
1886 | DEFUN ("x-get-selection-internal", Fx_get_selection_internal, |
1887 | Sx_get_selection_internal, 2, 2, 0, | |
ede4db72 RS |
1888 | "Return text selected from some X window.\n\ |
1889 | SELECTION is a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\ | |
1890 | \(Those are literal upper-case symbol names, since that's what X expects.)\n\ | |
a87ed99c | 1891 | TYPE is the type of data desired, typically `STRING'.") |
ede4db72 RS |
1892 | (selection_symbol, target_type) |
1893 | Lisp_Object selection_symbol, target_type; | |
1894 | { | |
1895 | Lisp_Object val = Qnil; | |
1896 | struct gcpro gcpro1, gcpro2; | |
1897 | GCPRO2 (target_type, val); /* we store newly consed data into these */ | |
703e0710 | 1898 | check_x (); |
ede4db72 RS |
1899 | CHECK_SYMBOL (selection_symbol, 0); |
1900 | ||
1901 | #if 0 /* #### MULTIPLE doesn't work yet */ | |
1902 | if (CONSP (target_type) | |
1903 | && XCONS (target_type)->car == QMULTIPLE) | |
1904 | { | |
1905 | CHECK_VECTOR (XCONS (target_type)->cdr, 0); | |
1906 | /* So we don't destructively modify this... */ | |
1907 | target_type = copy_multiple_data (target_type); | |
1908 | } | |
1909 | else | |
1910 | #endif | |
1911 | CHECK_SYMBOL (target_type, 0); | |
1912 | ||
1913 | val = x_get_local_selection (selection_symbol, target_type); | |
1914 | ||
1915 | if (NILP (val)) | |
1916 | { | |
1917 | val = x_get_foreign_selection (selection_symbol, target_type); | |
1918 | goto DONE; | |
1919 | } | |
1920 | ||
1921 | if (CONSP (val) | |
1922 | && SYMBOLP (XCONS (val)->car)) | |
1923 | { | |
1924 | val = XCONS (val)->cdr; | |
1925 | if (CONSP (val) && NILP (XCONS (val)->cdr)) | |
1926 | val = XCONS (val)->car; | |
1927 | } | |
1928 | val = clean_local_selection_data (val); | |
1929 | DONE: | |
1930 | UNGCPRO; | |
1931 | return val; | |
1932 | } | |
1933 | ||
a0d76c27 EN |
1934 | DEFUN ("x-disown-selection-internal", Fx_disown_selection_internal, |
1935 | Sx_disown_selection_internal, 1, 2, 0, | |
a87ed99c RS |
1936 | "If we own the selection SELECTION, disown it.\n\ |
1937 | Disowning it means there is no such selection.") | |
ede4db72 RS |
1938 | (selection, time) |
1939 | Lisp_Object selection; | |
1940 | Lisp_Object time; | |
1941 | { | |
ede4db72 RS |
1942 | Time timestamp; |
1943 | Atom selection_atom; | |
44d46531 | 1944 | struct selection_input_event event; |
3834c318 | 1945 | Display *display; |
5c3a351a | 1946 | struct x_display_info *dpyinfo; |
ede4db72 | 1947 | |
703e0710 | 1948 | check_x (); |
3834c318 | 1949 | display = FRAME_X_DISPLAY (selected_frame); |
5c3a351a | 1950 | dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame); |
ede4db72 RS |
1951 | CHECK_SYMBOL (selection, 0); |
1952 | if (NILP (time)) | |
7da64e5c | 1953 | timestamp = last_event_timestamp; |
ede4db72 RS |
1954 | else |
1955 | timestamp = cons_to_long (time); | |
1956 | ||
1957 | if (NILP (assq_no_quit (selection, Vselection_alist))) | |
1958 | return Qnil; /* Don't disown the selection when we're not the owner. */ | |
1959 | ||
5c3a351a | 1960 | selection_atom = symbol_to_x_atom (dpyinfo, display, selection); |
ede4db72 RS |
1961 | |
1962 | BLOCK_INPUT; | |
1963 | XSetSelectionOwner (display, selection_atom, None, timestamp); | |
1964 | UNBLOCK_INPUT; | |
1965 | ||
eb8c3be9 | 1966 | /* It doesn't seem to be guaranteed that a SelectionClear event will be |
ede4db72 RS |
1967 | generated for a window which owns the selection when that window sets |
1968 | the selection owner to None. The NCD server does, the MIT Sun4 server | |
1969 | doesn't. So we synthesize one; this means we might get two, but | |
1970 | that's ok, because the second one won't have any effect. */ | |
8d47f8c4 RS |
1971 | SELECTION_EVENT_DISPLAY (&event) = display; |
1972 | SELECTION_EVENT_SELECTION (&event) = selection_atom; | |
1973 | SELECTION_EVENT_TIME (&event) = timestamp; | |
44d46531 | 1974 | x_handle_selection_clear ((struct input_event *) &event); |
ede4db72 RS |
1975 | |
1976 | return Qt; | |
1977 | } | |
1978 | ||
a87ed99c RS |
1979 | /* Get rid of all the selections in buffer BUFFER. |
1980 | This is used when we kill a buffer. */ | |
1981 | ||
1982 | void | |
1983 | x_disown_buffer_selections (buffer) | |
1984 | Lisp_Object buffer; | |
1985 | { | |
1986 | Lisp_Object tail; | |
1987 | struct buffer *buf = XBUFFER (buffer); | |
1988 | ||
1989 | for (tail = Vselection_alist; CONSP (tail); tail = XCONS (tail)->cdr) | |
1990 | { | |
1991 | Lisp_Object elt, value; | |
1992 | elt = XCONS (tail)->car; | |
1993 | value = XCONS (elt)->cdr; | |
1994 | if (CONSP (value) && MARKERP (XCONS (value)->car) | |
1995 | && XMARKER (XCONS (value)->car)->buffer == buf) | |
1996 | Fx_disown_selection_internal (XCONS (elt)->car, Qnil); | |
1997 | } | |
1998 | } | |
ede4db72 RS |
1999 | |
2000 | DEFUN ("x-selection-owner-p", Fx_selection_owner_p, Sx_selection_owner_p, | |
2001 | 0, 1, 0, | |
a87ed99c | 2002 | "Whether the current Emacs process owns the given X Selection.\n\ |
ede4db72 RS |
2003 | The arg should be the name of the selection in question, typically one of\n\ |
2004 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\ | |
2005 | \(Those are literal upper-case symbol names, since that's what X expects.)\n\ | |
2006 | For convenience, the symbol nil is the same as `PRIMARY',\n\ | |
2007 | and t is the same as `SECONDARY'.)") | |
2008 | (selection) | |
2009 | Lisp_Object selection; | |
2010 | { | |
703e0710 | 2011 | check_x (); |
ede4db72 RS |
2012 | CHECK_SYMBOL (selection, 0); |
2013 | if (EQ (selection, Qnil)) selection = QPRIMARY; | |
2014 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
2015 | ||
2016 | if (NILP (Fassq (selection, Vselection_alist))) | |
2017 | return Qnil; | |
2018 | return Qt; | |
2019 | } | |
2020 | ||
2021 | DEFUN ("x-selection-exists-p", Fx_selection_exists_p, Sx_selection_exists_p, | |
2022 | 0, 1, 0, | |
2023 | "Whether there is an owner for the given X Selection.\n\ | |
2024 | The arg should be the name of the selection in question, typically one of\n\ | |
2025 | the symbols `PRIMARY', `SECONDARY', or `CLIPBOARD'.\n\ | |
2026 | \(Those are literal upper-case symbol names, since that's what X expects.)\n\ | |
2027 | For convenience, the symbol nil is the same as `PRIMARY',\n\ | |
2028 | and t is the same as `SECONDARY'.)") | |
2029 | (selection) | |
2030 | Lisp_Object selection; | |
2031 | { | |
2032 | Window owner; | |
356ba514 | 2033 | Atom atom; |
3834c318 RS |
2034 | Display *dpy; |
2035 | ||
b8c70430 | 2036 | /* It should be safe to call this before we have an X frame. */ |
c6423dc1 | 2037 | if (! FRAME_X_P (selected_frame)) |
b8c70430 RS |
2038 | return Qnil; |
2039 | ||
3834c318 | 2040 | dpy = FRAME_X_DISPLAY (selected_frame); |
ede4db72 RS |
2041 | CHECK_SYMBOL (selection, 0); |
2042 | if (!NILP (Fx_selection_owner_p (selection))) | |
2043 | return Qt; | |
356ba514 RS |
2044 | if (EQ (selection, Qnil)) selection = QPRIMARY; |
2045 | if (EQ (selection, Qt)) selection = QSECONDARY; | |
5c3a351a RS |
2046 | atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (selected_frame), |
2047 | dpy, selection); | |
356ba514 RS |
2048 | if (atom == 0) |
2049 | return Qnil; | |
ede4db72 | 2050 | BLOCK_INPUT; |
356ba514 | 2051 | owner = XGetSelectionOwner (dpy, atom); |
ede4db72 RS |
2052 | UNBLOCK_INPUT; |
2053 | return (owner ? Qt : Qnil); | |
2054 | } | |
2055 | ||
2056 | \f | |
2057 | #ifdef CUT_BUFFER_SUPPORT | |
2058 | ||
ede4db72 RS |
2059 | /* Ensure that all 8 cut buffers exist. ICCCM says we gotta... */ |
2060 | static void | |
2061 | initialize_cut_buffers (display, window) | |
2062 | Display *display; | |
2063 | Window window; | |
2064 | { | |
2065 | unsigned char *data = (unsigned char *) ""; | |
2066 | BLOCK_INPUT; | |
2067 | #define FROB(atom) XChangeProperty (display, window, atom, XA_STRING, 8, \ | |
2068 | PropModeAppend, data, 0) | |
2069 | FROB (XA_CUT_BUFFER0); | |
2070 | FROB (XA_CUT_BUFFER1); | |
2071 | FROB (XA_CUT_BUFFER2); | |
2072 | FROB (XA_CUT_BUFFER3); | |
2073 | FROB (XA_CUT_BUFFER4); | |
2074 | FROB (XA_CUT_BUFFER5); | |
2075 | FROB (XA_CUT_BUFFER6); | |
2076 | FROB (XA_CUT_BUFFER7); | |
2077 | #undef FROB | |
2078 | UNBLOCK_INPUT; | |
ede4db72 RS |
2079 | } |
2080 | ||
2081 | ||
a87ed99c | 2082 | #define CHECK_CUT_BUFFER(symbol,n) \ |
ede4db72 RS |
2083 | { CHECK_SYMBOL ((symbol), (n)); \ |
2084 | if (!EQ((symbol), QCUT_BUFFER0) && !EQ((symbol), QCUT_BUFFER1) \ | |
2085 | && !EQ((symbol), QCUT_BUFFER2) && !EQ((symbol), QCUT_BUFFER3) \ | |
2086 | && !EQ((symbol), QCUT_BUFFER4) && !EQ((symbol), QCUT_BUFFER5) \ | |
2087 | && !EQ((symbol), QCUT_BUFFER6) && !EQ((symbol), QCUT_BUFFER7)) \ | |
2088 | Fsignal (Qerror, \ | |
a87ed99c | 2089 | Fcons (build_string ("doesn't name a cut buffer"), \ |
ede4db72 RS |
2090 | Fcons ((symbol), Qnil))); \ |
2091 | } | |
2092 | ||
a87ed99c RS |
2093 | DEFUN ("x-get-cut-buffer-internal", Fx_get_cut_buffer_internal, |
2094 | Sx_get_cut_buffer_internal, 1, 1, 0, | |
2095 | "Returns the value of the named cut buffer (typically CUT_BUFFER0).") | |
ede4db72 RS |
2096 | (buffer) |
2097 | Lisp_Object buffer; | |
2098 | { | |
3834c318 | 2099 | Window window; |
ede4db72 RS |
2100 | Atom buffer_atom; |
2101 | unsigned char *data; | |
2102 | int bytes; | |
2103 | Atom type; | |
2104 | int format; | |
2105 | unsigned long size; | |
2106 | Lisp_Object ret; | |
3834c318 | 2107 | Display *display; |
5c3a351a | 2108 | struct x_display_info *dpyinfo; |
ede4db72 | 2109 | |
703e0710 | 2110 | check_x (); |
3834c318 | 2111 | display = FRAME_X_DISPLAY (selected_frame); |
5c3a351a | 2112 | dpyinfo = FRAME_X_DISPLAY_INFO (selected_frame); |
3834c318 | 2113 | window = RootWindow (display, 0); /* Cut buffers are on screen 0 */ |
a87ed99c | 2114 | CHECK_CUT_BUFFER (buffer, 0); |
5c3a351a | 2115 | buffer_atom = symbol_to_x_atom (dpyinfo, display, buffer); |
ede4db72 RS |
2116 | |
2117 | x_get_window_property (display, window, buffer_atom, &data, &bytes, | |
2118 | &type, &format, &size, 0); | |
22e00739 RS |
2119 | if (!data || !format) |
2120 | return Qnil; | |
ede4db72 RS |
2121 | |
2122 | if (format != 8 || type != XA_STRING) | |
2123 | Fsignal (Qerror, | |
2124 | Fcons (build_string ("cut buffer doesn't contain 8-bit data"), | |
5c3a351a | 2125 | Fcons (x_atom_to_symbol (dpyinfo, display, type), |
ede4db72 RS |
2126 | Fcons (make_number (format), Qnil)))); |
2127 | ||
2128 | ret = (bytes ? make_string ((char *) data, bytes) : Qnil); | |
4feb31b2 | 2129 | /* Use xfree, not XFree, because x_get_window_property |
0158abbc | 2130 | calls xmalloc itself. */ |
4feb31b2 | 2131 | xfree (data); |
ede4db72 RS |
2132 | return ret; |
2133 | } | |
2134 | ||
2135 | ||
a87ed99c RS |
2136 | DEFUN ("x-store-cut-buffer-internal", Fx_store_cut_buffer_internal, |
2137 | Sx_store_cut_buffer_internal, 2, 2, 0, | |
2138 | "Sets the value of the named cut buffer (typically CUT_BUFFER0).") | |
ede4db72 RS |
2139 | (buffer, string) |
2140 | Lisp_Object buffer, string; | |
2141 | { | |
3834c318 | 2142 | Window window; |
ede4db72 RS |
2143 | Atom buffer_atom; |
2144 | unsigned char *data; | |
2145 | int bytes; | |
2146 | int bytes_remaining; | |
3834c318 RS |
2147 | int max_bytes; |
2148 | Display *display; | |
ede4db72 | 2149 | |
703e0710 | 2150 | check_x (); |
3834c318 RS |
2151 | display = FRAME_X_DISPLAY (selected_frame); |
2152 | window = RootWindow (display, 0); /* Cut buffers are on screen 0 */ | |
2153 | ||
2154 | max_bytes = SELECTION_QUANTUM (display); | |
2155 | if (max_bytes > MAX_SELECTION_QUANTUM) | |
2156 | max_bytes = MAX_SELECTION_QUANTUM; | |
2157 | ||
a87ed99c | 2158 | CHECK_CUT_BUFFER (buffer, 0); |
ede4db72 | 2159 | CHECK_STRING (string, 0); |
5c3a351a RS |
2160 | buffer_atom = symbol_to_x_atom (FRAME_X_DISPLAY_INFO (selected_frame), |
2161 | display, buffer); | |
ede4db72 | 2162 | data = (unsigned char *) XSTRING (string)->data; |
fc932ac6 | 2163 | bytes = STRING_BYTES (XSTRING (string)); |
ede4db72 RS |
2164 | bytes_remaining = bytes; |
2165 | ||
04649dbc KH |
2166 | if (! FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized) |
2167 | { | |
2168 | initialize_cut_buffers (display, window); | |
2169 | FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized = 1; | |
2170 | } | |
ede4db72 RS |
2171 | |
2172 | BLOCK_INPUT; | |
10608c8c RS |
2173 | |
2174 | /* Don't mess up with an empty value. */ | |
2175 | if (!bytes_remaining) | |
2176 | XChangeProperty (display, window, buffer_atom, XA_STRING, 8, | |
2177 | PropModeReplace, data, 0); | |
2178 | ||
ede4db72 RS |
2179 | while (bytes_remaining) |
2180 | { | |
2181 | int chunk = (bytes_remaining < max_bytes | |
2182 | ? bytes_remaining : max_bytes); | |
2183 | XChangeProperty (display, window, buffer_atom, XA_STRING, 8, | |
2184 | (bytes_remaining == bytes | |
2185 | ? PropModeReplace | |
2186 | : PropModeAppend), | |
2187 | data, chunk); | |
2188 | data += chunk; | |
2189 | bytes_remaining -= chunk; | |
2190 | } | |
2191 | UNBLOCK_INPUT; | |
2192 | return string; | |
2193 | } | |
2194 | ||
2195 | ||
a87ed99c RS |
2196 | DEFUN ("x-rotate-cut-buffers-internal", Fx_rotate_cut_buffers_internal, |
2197 | Sx_rotate_cut_buffers_internal, 1, 1, 0, | |
88623f1c RS |
2198 | "Rotate the values of the cut buffers by the given number of step.\n\ |
2199 | Positive means shift the values forward, negative means backward.") | |
ede4db72 RS |
2200 | (n) |
2201 | Lisp_Object n; | |
2202 | { | |
3834c318 RS |
2203 | Window window; |
2204 | Atom props[8]; | |
2205 | Display *display; | |
ede4db72 | 2206 | |
703e0710 | 2207 | check_x (); |
3834c318 RS |
2208 | display = FRAME_X_DISPLAY (selected_frame); |
2209 | window = RootWindow (display, 0); /* Cut buffers are on screen 0 */ | |
7da64e5c | 2210 | CHECK_NUMBER (n, 0); |
3834c318 RS |
2211 | if (XINT (n) == 0) |
2212 | return n; | |
04649dbc KH |
2213 | if (! FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized) |
2214 | { | |
2215 | initialize_cut_buffers (display, window); | |
2216 | FRAME_X_DISPLAY_INFO (selected_frame)->cut_buffers_initialized = 1; | |
2217 | } | |
3834c318 | 2218 | |
ede4db72 RS |
2219 | props[0] = XA_CUT_BUFFER0; |
2220 | props[1] = XA_CUT_BUFFER1; | |
2221 | props[2] = XA_CUT_BUFFER2; | |
2222 | props[3] = XA_CUT_BUFFER3; | |
2223 | props[4] = XA_CUT_BUFFER4; | |
2224 | props[5] = XA_CUT_BUFFER5; | |
2225 | props[6] = XA_CUT_BUFFER6; | |
2226 | props[7] = XA_CUT_BUFFER7; | |
2227 | BLOCK_INPUT; | |
2228 | XRotateWindowProperties (display, window, props, 8, XINT (n)); | |
2229 | UNBLOCK_INPUT; | |
2230 | return n; | |
2231 | } | |
2232 | ||
2233 | #endif | |
2234 | \f | |
ede4db72 RS |
2235 | void |
2236 | syms_of_xselect () | |
2237 | { | |
ede4db72 RS |
2238 | defsubr (&Sx_get_selection_internal); |
2239 | defsubr (&Sx_own_selection_internal); | |
2240 | defsubr (&Sx_disown_selection_internal); | |
2241 | defsubr (&Sx_selection_owner_p); | |
2242 | defsubr (&Sx_selection_exists_p); | |
2243 | ||
2244 | #ifdef CUT_BUFFER_SUPPORT | |
a87ed99c RS |
2245 | defsubr (&Sx_get_cut_buffer_internal); |
2246 | defsubr (&Sx_store_cut_buffer_internal); | |
2247 | defsubr (&Sx_rotate_cut_buffers_internal); | |
ede4db72 RS |
2248 | #endif |
2249 | ||
2250 | reading_selection_reply = Fcons (Qnil, Qnil); | |
2251 | staticpro (&reading_selection_reply); | |
2252 | reading_selection_window = 0; | |
2253 | reading_which_selection = 0; | |
2254 | ||
2255 | property_change_wait_list = 0; | |
2f65feb6 | 2256 | prop_location_identifier = 0; |
ede4db72 RS |
2257 | property_change_reply = Fcons (Qnil, Qnil); |
2258 | staticpro (&property_change_reply); | |
2259 | ||
2260 | Vselection_alist = Qnil; | |
2261 | staticpro (&Vselection_alist); | |
2262 | ||
2263 | DEFVAR_LISP ("selection-converter-alist", &Vselection_converter_alist, | |
4cf066bb | 2264 | "An alist associating X Windows selection-types with functions.\n\ |
ede4db72 RS |
2265 | These functions are called to convert the selection, with three args:\n\ |
2266 | the name of the selection (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
2267 | a desired type to which the selection should be converted;\n\ | |
2268 | and the local selection value (whatever was given to `x-own-selection').\n\ | |
2269 | \n\ | |
2270 | The function should return the value to send to the X server\n\ | |
2271 | \(typically a string). A return value of nil\n\ | |
2272 | means that the conversion could not be done.\n\ | |
2273 | A return value which is the symbol `NULL'\n\ | |
2274 | means that a side-effect was executed,\n\ | |
2275 | and there is no meaningful selection value."); | |
2276 | Vselection_converter_alist = Qnil; | |
2277 | ||
2278 | DEFVAR_LISP ("x-lost-selection-hooks", &Vx_lost_selection_hooks, | |
4cf066bb | 2279 | "A list of functions to be called when Emacs loses an X selection.\n\ |
ede4db72 RS |
2280 | \(This happens when some other X client makes its own selection\n\ |
2281 | or when a Lisp program explicitly clears the selection.)\n\ | |
2282 | The functions are called with one argument, the selection type\n\ | |
d31b6237 | 2283 | \(a symbol, typically `PRIMARY', `SECONDARY', or `CLIPBOARD')."); |
ede4db72 RS |
2284 | Vx_lost_selection_hooks = Qnil; |
2285 | ||
2286 | DEFVAR_LISP ("x-sent-selection-hooks", &Vx_sent_selection_hooks, | |
4cf066bb | 2287 | "A list of functions to be called when Emacs answers a selection request.\n\ |
ede4db72 RS |
2288 | The functions are called with four arguments:\n\ |
2289 | - the selection name (typically `PRIMARY', `SECONDARY', or `CLIPBOARD');\n\ | |
2290 | - the selection-type which Emacs was asked to convert the\n\ | |
2291 | selection into before sending (for example, `STRING' or `LENGTH');\n\ | |
2292 | - a flag indicating success or failure for responding to the request.\n\ | |
2293 | We might have failed (and declined the request) for any number of reasons,\n\ | |
2294 | including being asked for a selection that we no longer own, or being asked\n\ | |
2295 | to convert into a type that we don't know about or that is inappropriate.\n\ | |
2296 | This hook doesn't let you change the behavior of Emacs's selection replies,\n\ | |
2297 | it merely informs you that they have happened."); | |
2298 | Vx_sent_selection_hooks = Qnil; | |
2299 | ||
93e4ce1b | 2300 | DEFVAR_LISP ("selection-coding-system", &Vselection_coding_system, |
4cf066bb RS |
2301 | "Coding system for communicating with other X clients.\n\ |
2302 | When sending or receiving text via cut_buffer, selection, and clipboard,\n\ | |
2303 | the text is encoded or decoded by this coding system.\n\ | |
9391d06a | 2304 | A default value is `compound-text'"); |
93e4ce1b | 2305 | Vselection_coding_system = intern ("compound-text"); |
2584c9ec | 2306 | |
16cd5029 KH |
2307 | DEFVAR_LISP ("next-selection-coding-system", &Vnext_selection_coding_system, |
2308 | "Coding system for the next communication with other X clients.\n\ | |
2309 | Usually, `selection-coding-system' is used for communicating with\n\ | |
2310 | other X clients. But, if this variable is set, it is used for the\n\ | |
2311 | next communication only. After the communication, this variable is\n\ | |
2312 | set to nil."); | |
2313 | Vnext_selection_coding_system = Qnil; | |
2314 | ||
ede4db72 | 2315 | DEFVAR_INT ("x-selection-timeout", &x_selection_timeout, |
4cf066bb | 2316 | "Number of milliseconds to wait for a selection reply.\n\ |
2a1a4c9d | 2317 | If the selection owner doesn't reply in this time, we give up.\n\ |
ede4db72 | 2318 | A value of 0 means wait as long as necessary. This is initialized from the\n\ |
80da0190 | 2319 | \"*selectionTimeout\" resource."); |
ede4db72 RS |
2320 | x_selection_timeout = 0; |
2321 | ||
2322 | QPRIMARY = intern ("PRIMARY"); staticpro (&QPRIMARY); | |
2323 | QSECONDARY = intern ("SECONDARY"); staticpro (&QSECONDARY); | |
2324 | QSTRING = intern ("STRING"); staticpro (&QSTRING); | |
2325 | QINTEGER = intern ("INTEGER"); staticpro (&QINTEGER); | |
2326 | QCLIPBOARD = intern ("CLIPBOARD"); staticpro (&QCLIPBOARD); | |
2327 | QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP); | |
2328 | QTEXT = intern ("TEXT"); staticpro (&QTEXT); | |
e6c7c988 | 2329 | QCOMPOUND_TEXT = intern ("COMPOUND_TEXT"); staticpro (&QCOMPOUND_TEXT); |
ede4db72 RS |
2330 | QTIMESTAMP = intern ("TIMESTAMP"); staticpro (&QTIMESTAMP); |
2331 | QDELETE = intern ("DELETE"); staticpro (&QDELETE); | |
2332 | QMULTIPLE = intern ("MULTIPLE"); staticpro (&QMULTIPLE); | |
2333 | QINCR = intern ("INCR"); staticpro (&QINCR); | |
2334 | QEMACS_TMP = intern ("_EMACS_TMP_"); staticpro (&QEMACS_TMP); | |
2335 | QTARGETS = intern ("TARGETS"); staticpro (&QTARGETS); | |
2336 | QATOM = intern ("ATOM"); staticpro (&QATOM); | |
2337 | QATOM_PAIR = intern ("ATOM_PAIR"); staticpro (&QATOM_PAIR); | |
2338 | QNULL = intern ("NULL"); staticpro (&QNULL); | |
2339 | ||
2340 | #ifdef CUT_BUFFER_SUPPORT | |
2341 | QCUT_BUFFER0 = intern ("CUT_BUFFER0"); staticpro (&QCUT_BUFFER0); | |
2342 | QCUT_BUFFER1 = intern ("CUT_BUFFER1"); staticpro (&QCUT_BUFFER1); | |
2343 | QCUT_BUFFER2 = intern ("CUT_BUFFER2"); staticpro (&QCUT_BUFFER2); | |
2344 | QCUT_BUFFER3 = intern ("CUT_BUFFER3"); staticpro (&QCUT_BUFFER3); | |
2345 | QCUT_BUFFER4 = intern ("CUT_BUFFER4"); staticpro (&QCUT_BUFFER4); | |
2346 | QCUT_BUFFER5 = intern ("CUT_BUFFER5"); staticpro (&QCUT_BUFFER5); | |
2347 | QCUT_BUFFER6 = intern ("CUT_BUFFER6"); staticpro (&QCUT_BUFFER6); | |
2348 | QCUT_BUFFER7 = intern ("CUT_BUFFER7"); staticpro (&QCUT_BUFFER7); | |
2349 | #endif | |
2350 | ||
2351 | } |