source: functions.c @ 0fe69d2

release-1.6release-1.7release-1.8release-1.9
Last change on this file since 0fe69d2 was 9186c75, checked in by Nelson Elhage <nelhage@mit.edu>, 12 years ago
Make functions that start an editwin return it, too.
  • Property mode set to 100644
File size: 95.3 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15char *owl_function_command(const char *cmdbuff)
16{
17  owl_function_debugmsg("executing command: %s", cmdbuff);
18  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
19                             owl_global_get_context(&g), cmdbuff);
20}
21
22char *owl_function_command_argv(const char *const *argv, int argc)
23{
24  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
25                                  owl_global_get_context(&g),
26                                  argv, argc);
27}
28
29void owl_function_command_norv(const char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(const char *alias_from, const char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41const owl_cmd *owl_function_get_cmd(const char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands(void)
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_cleanup(&l);
59  owl_fmtext_cleanup(&fm);
60}
61
62void owl_function_show_view(const char *viewname)
63{
64  const owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_cleanup(&fm);
78}
79
80void owl_function_show_styles(void) {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_cleanup(&l, owl_free);
91  owl_fmtext_cleanup(&fm);
92}
93
94char *owl_function_style_describe(const char *name) {
95  const char *desc;
96  char *s;
97  const owl_style *style;
98  style = owl_global_get_style_by_name(&g, name);
99  if (style) {
100    desc = owl_style_get_description(style);
101  } else {
102    desc = "???";
103  }
104  s = owl_sprintf("%-20s - %s%s", name, 
105                  0==owl_style_validate(style)?"":"[INVALID] ",
106                  desc);
107  return s;
108}
109
110char *owl_function_cmd_describe(const char *name)
111{
112  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
113  if (cmd) return owl_cmd_describe(cmd);
114  else return(NULL);
115}
116
117void owl_function_show_command(const char *name)
118{
119  owl_function_help_for_command(name);
120}
121
122void owl_function_show_license(void)
123{
124  const char *text;
125
126  text=""
127    "barnowl version " OWL_VERSION_STRING "\n"
128    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
129    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
130    "\n"
131    "Redistribution and use in source and binary forms, with or without\n"
132    "modification, are permitted provided that the following conditions are\n"
133    "met:\n"
134    "\n"
135    "   * Redistributions of source code must retain the above copyright\n"
136    "     notice, this list of conditions and the following disclaimer.\n"
137    "\n"
138    "   * Redistributions in binary form must reproduce the above copyright\n"
139    "     notice, this list of conditions and the following disclaimer in\n"
140    "     the documentation and/or other materials provided with the\n"
141    "     distribution.\n"
142    "\n"
143    "   * Redistributions in any form must be accompanied by information on\n"
144    "     how to obtain complete source code for the Owl software and any\n"
145    "     accompanying software that uses the Owl software. The source code\n"
146    "     must either be included in the distribution or be available for no\n"
147    "     more than the cost of distribution plus a nominal fee, and must be\n"
148    "     freely redistributable under reasonable conditions. For an\n"
149    "     executable file, complete source code means the source code for\n"
150    "     all modules it contains. It does not include source code for\n"
151    "     modules or files that typically accompany the major components of\n"
152    "     the operating system on which the executable file runs.\n"
153    "\n"
154    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
155    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
156    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
157    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
158    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
159    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
160    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
161    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
162    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
163    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
164    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
165  owl_function_popless_text(text);
166}
167
168void owl_function_show_quickstart(void)
169{
170    const char *message =
171    "Move between messages with the arrow keys, and press 'r' to reply.\n"
172    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
173#ifdef HAVE_LIBZEPHYR
174    "@b(Zephyr:)\n"
175    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
176    "press 'z' and then type the username. To subscribe to a class, type\n"
177    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
178#endif
179    "@b(AIM:)\n"
180    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
181    "or 'a' and then the screen name, to send someone a message.\n\n"
182    ;
183
184    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
185        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
186        if (perlquickstart) {
187            char *result = owl_sprintf("%s%s", message, perlquickstart);
188            owl_function_adminmsg("BarnOwl Quickstart", result);
189            owl_free(result);
190            owl_free(perlquickstart);
191            return;
192        }
193    }
194    owl_function_adminmsg("BarnOwl Quickstart", message);
195}
196
197
198/* Create an admin message, append it to the global list of messages
199 * and redisplay if necessary.
200 */
201void owl_function_adminmsg(const char *header, const char *body)
202{
203  owl_message *m;
204
205  m=owl_malloc(sizeof(owl_message));
206  owl_message_create_admin(m, header, body);
207 
208  /* add it to the global list and current view */
209  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
210  owl_view_consider_message(owl_global_get_current_view(&g), m);
211
212  /* do followlast if necessary */
213  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
214
215  /* redisplay etc. */
216  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
217  owl_global_set_needrefresh(&g);
218}
219
220/* Create an outgoing zephyr message and return a pointer to it.  Does
221 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
222 * that.
223 */
224owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
225{
226  owl_message *m;
227  owl_zwrite zw;
228
229  owl_zwrite_create_from_line(&zw, zwriteline);
230  owl_zwrite_set_zsig(&zw, zsig);
231
232  /* create the message */
233  m=owl_malloc(sizeof(owl_message));
234 
235  owl_message_create_from_zwrite(m, &zw, body);
236  owl_zwrite_cleanup(&zw);
237
238  return(m);
239}
240
241/* Create an outgoing AIM message, returns a pointer to the created
242 * message or NULL if we're not logged into AIM (and thus unable to
243 * create the message).  Does not put it on the global queue.  Use
244 * owl_global_messagequeue_addmsg() for that .
245 */
246owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
247{
248  owl_message *m;
249
250  /* error if we're not logged into aim */
251  if (!owl_global_is_aimloggedin(&g)) return(NULL);
252 
253  m=owl_malloc(sizeof(owl_message));
254  owl_message_create_aim(m,
255                         owl_global_get_aim_screenname(&g),
256                         to,
257                         body,
258                         OWL_MESSAGE_DIRECTION_OUT,
259                         0);
260  return(m);
261}
262
263/* Create an outgoing loopback message and return a pointer to it.
264 * Does not append it to the global queue, use
265 * owl_global_messagequeue_addmsg() for that.
266 */
267owl_message *owl_function_make_outgoing_loopback(const char *body)
268{
269  owl_message *m;
270
271  /* create the message */
272  m=owl_malloc(sizeof(owl_message));
273  owl_message_create_loopback(m, body);
274  owl_message_set_direction_out(m);
275
276  return(m);
277}
278
279void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
280{
281  owl_editwin *e;
282  char *s;
283
284  /* create and setup the editwin */
285  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
286                                   owl_global_get_msg_history(&g));
287  owl_editwin_set_dotsend(e);
288  s = owl_sprintf("----> %s\n", line);
289  owl_editwin_set_locktext(e, s);
290  owl_free(s);
291
292  owl_editwin_set_cbdata(e, data, cleanup);
293  owl_editwin_set_callback(e, callback);
294  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
295}
296
297static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
298{
299
300  if (!owl_global_get_lockout_ctrld(&g))
301    owl_function_makemsg("Type your %s below.  "
302                         "End with ^D or a dot on a line by itself."
303                         "  ^C will quit.", noun);
304  else
305    owl_function_makemsg("Type your %s below.  "
306                         "End with a dot on a line by itself.  ^C will quit.",
307                         noun);
308
309  owl_function_start_edit_win(line, callback,
310                              owl_strdup(line),
311                              owl_free);
312}
313
314void owl_function_zwrite_setup(const char *line)
315{
316  owl_zwrite z;
317  int ret;
318
319  /* check the arguments */
320  ret=owl_zwrite_create_from_line(&z, line);
321  if (ret) {
322    owl_function_error("Error in zwrite arguments");
323    owl_zwrite_cleanup(&z);
324    return;
325  }
326
327  /* send a ping if necessary */
328  if (owl_global_is_txping(&g)) {
329    owl_zwrite_send_ping(&z);
330  }
331  owl_zwrite_cleanup(&z);
332
333  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
334}
335
336void owl_function_aimwrite_setup(const char *line)
337{
338  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
339}
340
341void owl_function_loopwrite_setup(void)
342{
343  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
344}
345
346void owl_callback_zwrite(owl_editwin *e) {
347  char *command = owl_editwin_get_cbdata(e);
348  owl_function_zwrite(command,
349                      owl_editwin_get_text(e));
350}
351
352/* send, log and display an outgoing zephyr.  If 'msg' is NULL
353 * the message is expected to be set from the zwrite line itself
354 */
355void owl_function_zwrite(const char *line, const char *msg)
356{
357  owl_zwrite z;
358  const char *mymsg;
359  owl_message *m;
360
361  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
362    owl_function_zcrypt(line, msg);
363    return;
364  }
365
366  /* create the zwrite and send the message */
367  owl_zwrite_create_from_line(&z, line);
368  owl_zwrite_populate_zsig(&z);
369  if (msg) {
370    owl_zwrite_set_message(&z, msg);
371  }
372  owl_zwrite_send_message(&z);
373  owl_function_makemsg("Waiting for ack...");
374
375  /* If it's personal */
376  if (owl_zwrite_is_personal(&z)) {
377    /* create the outgoing message */
378    mymsg=owl_zwrite_get_message(&z);
379    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
380
381    if (m) {
382      owl_global_messagequeue_addmsg(&g, m);
383    } else {
384      owl_function_error("Could not create outgoing zephyr message");
385    }
386  }
387
388  /* free the zwrite */
389  owl_zwrite_cleanup(&z);
390}
391
392/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
393 * the message is expected to be set from the zwrite line itself
394 */
395void owl_function_zcrypt(const char *line, const char *msg)
396{
397  owl_zwrite z;
398  const char *mymsg;
399  char *cryptmsg;
400  owl_message *m;
401
402  /* create the zwrite and send the message */
403  owl_zwrite_create_from_line(&z, line);
404  owl_zwrite_populate_zsig(&z);
405  if (msg) {
406    owl_zwrite_set_message(&z, msg);
407  }
408
409  mymsg=owl_zwrite_get_message(&z);
410#ifdef OWL_ENABLE_ZCRYPT
411  cryptmsg = owl_zcrypt_encrypt(mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
412  if (!cryptmsg) {
413    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
414    owl_function_beep();
415    owl_zwrite_cleanup(&z);
416    return;
417  }
418#else
419  cryptmsg=owl_strdup(mymsg);
420#endif
421
422  owl_zwrite_set_message(&z, cryptmsg);
423  owl_zwrite_set_opcode(&z, "crypt");
424   
425  owl_zwrite_send_message(&z);
426  owl_function_makemsg("Waiting for ack...");
427
428  /* If it's personal */
429  if (owl_zwrite_is_personal(&z)) {
430    /* create the outgoing message */
431    mymsg=owl_zwrite_get_message(&z);
432    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
433    if (m) {
434      owl_global_messagequeue_addmsg(&g, m);
435    } else {
436      owl_function_error("Could not create outgoing zephyr message");
437    }
438  }
439
440  /* free the zwrite */
441  owl_free(cryptmsg);
442  owl_zwrite_cleanup(&z);
443}
444
445void owl_callback_aimwrite(owl_editwin *e) {
446  char *command = owl_editwin_get_cbdata(e);
447  owl_function_aimwrite(command,
448                        owl_editwin_get_text(e));
449}
450
451void owl_function_aimwrite(const char *line, const char *msg)
452{
453  int ret;
454  const char *to;
455  char *format_msg;
456  owl_message *m;
457
458  to = line + 9;
459
460  /* make a formatted copy of the message */
461  format_msg=owl_strdup(msg);
462  owl_text_wordunwrap(format_msg);
463 
464  /* send the message */
465  ret=owl_aim_send_im(to, format_msg);
466  if (!ret) {
467    owl_function_makemsg("AIM message sent.");
468  } else {
469    owl_function_error("Could not send AIM message.");
470  }
471
472  /* create the outgoing message */
473  m=owl_function_make_outgoing_aim(msg, to);
474
475  if (m) {
476    owl_global_messagequeue_addmsg(&g, m);
477  } else {
478    owl_function_error("Could not create outgoing AIM message");
479  }
480
481  owl_free(format_msg);
482}
483
484void owl_function_send_aimawymsg(const char *to, const char *msg)
485{
486  int ret;
487  char *format_msg;
488  owl_message *m;
489
490  /* make a formatted copy of the message */
491  format_msg=owl_strdup(msg);
492  owl_text_wordunwrap(format_msg);
493 
494  /* send the message */
495  ret=owl_aim_send_awaymsg(to, format_msg);
496  if (!ret) {
497    /* owl_function_makemsg("AIM message sent."); */
498  } else {
499    owl_function_error("Could not send AIM message.");
500  }
501
502  /* create the message */
503  m=owl_function_make_outgoing_aim(msg, to);
504  if (m) {
505    owl_global_messagequeue_addmsg(&g, m);
506  } else {
507    owl_function_error("Could not create AIM message");
508  }
509  owl_free(format_msg);
510}
511
512void owl_callback_loopwrite(owl_editwin *e) {
513  owl_function_loopwrite(owl_editwin_get_text(e));
514}
515
516void owl_function_loopwrite(const char *msg)
517{
518  owl_message *min, *mout;
519
520  /* create a message and put it on the message queue.  This simulates
521   * an incoming message */
522  min=owl_malloc(sizeof(owl_message));
523  mout=owl_function_make_outgoing_loopback(msg);
524
525  if (owl_global_is_displayoutgoing(&g)) {
526    owl_global_messagequeue_addmsg(&g, mout);
527  } else {
528    owl_message_delete(mout);
529  }
530
531  owl_message_create_loopback(min, msg);
532  owl_message_set_direction_in(min);
533  owl_global_messagequeue_addmsg(&g, min);
534
535  /* fake a makemsg */
536  owl_function_makemsg("loopback message sent");
537}
538
539/* If filter is non-null, looks for the next message matching
540 * that filter.  If skip_deleted, skips any deleted messages.
541 * If last_if_none, will stop at the last message in the view
542 * if no matching messages are found.  */
543void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
544{
545  int curmsg, i, viewsize, found;
546  const owl_view *v;
547  const owl_filter *f = NULL;
548  const owl_message *m;
549
550  v=owl_global_get_current_view(&g);
551
552  if (filter) {
553    f=owl_global_get_filter(&g, filter);
554    if (!f) {
555      owl_function_error("No %s filter defined", filter);
556      return;
557    }
558  }
559
560  curmsg=owl_global_get_curmsg(&g);
561  viewsize=owl_view_get_size(v);
562  found=0;
563
564  /* just check to make sure we're in bounds... */
565  if (curmsg>viewsize-1) curmsg=viewsize-1;
566  if (curmsg<0) curmsg=0;
567
568  for (i=curmsg+1; i<viewsize; i++) {
569    m=owl_view_get_element(v, i);
570    if (skip_deleted && owl_message_is_delete(m)) continue;
571    if (f && !owl_filter_message_match(f, m)) continue;
572    found = 1;
573    break;
574  }
575
576  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
577  if (i<0) i=0;
578
579  if (!found) {
580    owl_function_makemsg("already at last%s message%s%s%s",
581                         skip_deleted?" non-deleted":"",
582                         filter?" in ":"", filter?filter:"",
583                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
584                         ", press Enter to scroll" : "");
585    /* if (!skip_deleted) owl_function_beep(); */
586  }
587
588  if (last_if_none || found) {
589    owl_global_set_curmsg(&g, i);
590    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
591    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
592    owl_global_set_direction_downwards(&g);
593  }
594}
595
596void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
597{
598  int curmsg, i, found;
599  const owl_view *v;
600  const owl_filter *f = NULL;
601  const owl_message *m;
602
603  v=owl_global_get_current_view(&g);
604
605  if (filter) {
606    f=owl_global_get_filter(&g, filter);
607    if (!f) {
608      owl_function_error("No %s filter defined", filter);
609      return;
610    }
611  }
612
613  curmsg=owl_global_get_curmsg(&g);
614  found=0;
615
616  /* just check to make sure we're in bounds... */
617  if (curmsg<0) curmsg=0;
618
619  for (i=curmsg-1; i>=0; i--) {
620    m=owl_view_get_element(v, i);
621    if (skip_deleted && owl_message_is_delete(m)) continue;
622    if (f && !owl_filter_message_match(f, m)) continue;
623    found = 1;
624    break;
625  }
626
627  if (i<0) i=0;
628
629  if (!found) {
630    owl_function_makemsg("already at first%s message%s%s",
631                         skip_deleted?" non-deleted":"",
632                         filter?" in ":"", filter?filter:"");
633    /* if (!skip_deleted) owl_function_beep(); */
634  }
635
636  if (first_if_none || found) {
637    owl_global_set_curmsg(&g, i);
638    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
639    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
640    owl_global_set_direction_upwards(&g);
641  }
642}
643
644void owl_function_nextmsg(void)
645{
646  owl_function_nextmsg_full(NULL, 0, 1);
647}
648
649void owl_function_prevmsg(void)
650{
651  owl_function_prevmsg_full(NULL, 0, 1);
652}
653
654void owl_function_nextmsg_notdeleted(void)
655{
656  owl_function_nextmsg_full(NULL, 1, 1);
657}
658
659void owl_function_prevmsg_notdeleted(void)
660{
661  owl_function_prevmsg_full(NULL, 1, 1);
662}
663
664/* if move_after is 1, moves after the delete */
665void owl_function_deletecur(int move_after)
666{
667  int curmsg;
668  owl_view *v;
669
670  v=owl_global_get_current_view(&g);
671
672  /* bail if there's no current message */
673  if (owl_view_get_size(v) < 1) {
674    owl_function_error("No current message to delete");
675    return;
676  }
677
678  /* mark the message for deletion */
679  curmsg=owl_global_get_curmsg(&g);
680  owl_view_delete_element(v, curmsg);
681
682  if (move_after) {
683    /* move the poiner in the appropriate direction
684     * to the next undeleted msg */
685    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
686      owl_function_prevmsg_notdeleted();
687    } else {
688      owl_function_nextmsg_notdeleted();
689    }
690  }
691}
692
693void owl_function_undeletecur(int move_after)
694{
695  int curmsg;
696  owl_view *v;
697
698  v=owl_global_get_current_view(&g);
699 
700  if (owl_view_get_size(v) < 1) {
701    owl_function_error("No current message to undelete");
702    return;
703  }
704  curmsg=owl_global_get_curmsg(&g);
705
706  owl_view_undelete_element(v, curmsg);
707
708  if (move_after) {
709    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
710      if (curmsg>0) {
711        owl_function_prevmsg();
712      } else {
713        owl_function_nextmsg();
714      }
715    } else {
716      owl_function_nextmsg();
717    }
718  }
719
720  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
721}
722
723void owl_function_expunge(void)
724{
725  int curmsg;
726  const owl_message *m;
727  owl_messagelist *ml;
728  owl_view *v;
729  int lastmsgid=0;
730
731  curmsg=owl_global_get_curmsg(&g);
732  v=owl_global_get_current_view(&g);
733  ml=owl_global_get_msglist(&g);
734
735  m=owl_view_get_element(v, curmsg);
736  if (m) lastmsgid = owl_message_get_id(m);
737
738  /* expunge the message list */
739  owl_messagelist_expunge(ml);
740
741  /* update all views (we only have one right now) */
742  owl_view_recalculate(v);
743
744  /* find where the new position should be
745     (as close as possible to where we last where) */
746  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
747  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
748  if (curmsg<0) curmsg = 0;
749  owl_global_set_curmsg(&g, curmsg);
750  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
751  /* if there are no messages set the direction to down in case we
752     delete everything upwards */
753  owl_global_set_direction_downwards(&g);
754 
755  owl_function_makemsg("Messages expunged");
756  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
757}
758
759void owl_function_firstmsg(void)
760{
761  owl_global_set_curmsg(&g, 0);
762  owl_global_set_topmsg(&g, 0);
763  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
764  owl_global_set_direction_downwards(&g);
765}
766
767void owl_function_lastmsg_noredisplay(void)
768{
769  int oldcurmsg, curmsg;
770  const owl_view *v;
771
772  v=owl_global_get_current_view(&g);
773  oldcurmsg=owl_global_get_curmsg(&g);
774  curmsg=owl_view_get_size(v)-1; 
775  if (curmsg<0) curmsg=0;
776  owl_global_set_curmsg(&g, curmsg);
777  if (oldcurmsg < curmsg) {
778    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
779  } else if (curmsg<owl_view_get_size(v)) {
780    /* If already at the end, blank the screen and move curmsg
781     * past the end of the messages. */
782    owl_global_set_topmsg(&g, curmsg+1);
783    owl_global_set_curmsg(&g, curmsg+1);
784  } 
785  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
786  owl_global_set_direction_downwards(&g);
787}
788
789void owl_function_lastmsg(void)
790{
791  owl_function_lastmsg_noredisplay();
792  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
793}
794
795void owl_function_shift_right(void)
796{
797  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
798  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
799  owl_global_set_needrefresh(&g);
800}
801
802void owl_function_shift_left(void)
803{
804  int shift;
805
806  shift=owl_global_get_rightshift(&g);
807  if (shift > 0) {
808    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
809    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
810    owl_global_set_needrefresh(&g);
811  } else {
812    owl_function_beep();
813    owl_function_makemsg("Already full left");
814  }
815}
816
817void owl_function_unsuball(void)
818{
819  unsuball();
820  owl_function_makemsg("Unsubscribed from all messages.");
821}
822
823
824/* Load zephyr subscriptions from the named 'file' and load zephyr's
825 * default subscriptions as well.  An error message is printed if
826 * 'file' can't be opened or if zephyr reports an error in
827 * subscribing.
828 *
829 * If 'file' is NULL, this look for the default filename
830 * $HOME/.zephyr.subs.  If the file can not be opened in this case
831 * only, no error message is printed.
832 */
833void owl_function_loadsubs(const char *file)
834{
835  int ret, ret2;
836  const char *foo;
837  char *path;
838
839  if (file==NULL) {
840    ret=owl_zephyr_loadsubs(NULL, 0);
841  } else {
842    path = owl_util_makepath(file);
843    ret=owl_zephyr_loadsubs(path, 1);
844    owl_free(path);
845  }
846
847  /* for backwards compatibility for now */
848  ret2=owl_zephyr_loaddefaultsubs();
849
850  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
851
852  foo=file?file:"file";
853  if (ret==0 && ret2==0) {
854    if (!file) {
855      owl_function_makemsg("Subscribed to messages.");
856    } else {
857      owl_function_makemsg("Subscribed to messages from %s", file);
858    }
859  } else if (ret==-1) {
860    owl_function_error("Could not read %s", foo);
861  } else {
862    owl_function_error("Error subscribing to messages");
863  }
864}
865
866void owl_function_loadloginsubs(const char *file)
867{
868  int ret;
869
870  ret=owl_zephyr_loadloginsubs(file);
871
872  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
873  if (ret==0) {
874  } else if (ret==-1) {
875    owl_function_error("Could not open file for login subscriptions.");
876  } else {
877    owl_function_error("Error subscribing to login messages from file.");
878  }
879}
880
881void owl_callback_aimlogin(owl_editwin *e) {
882  char *user = owl_editwin_get_cbdata(e);
883  owl_function_aimlogin(user,
884                        owl_editwin_get_text(e));
885}
886
887void owl_function_aimlogin(const char *user, const char *passwd) {
888  int ret;
889
890  /* clear the buddylist */
891  owl_buddylist_clear(owl_global_get_buddylist(&g));
892
893  /* try to login */
894  ret=owl_aim_login(user, passwd);
895  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
896}
897
898void owl_function_suspend(void)
899{
900  endwin();
901  printf("\n");
902  kill(getpid(), SIGSTOP);
903
904  /* resize to reinitialize all the windows when we come back */
905  owl_command_resize();
906}
907
908void owl_function_zaway_toggle(void)
909{
910  if (!owl_global_is_zaway(&g)) {
911    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
912    owl_function_zaway_on();
913  } else {
914    owl_function_zaway_off();
915  }
916}
917
918void owl_function_zaway_on(void)
919{
920  owl_global_set_zaway_on(&g);
921  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
922}
923
924void owl_function_zaway_off(void)
925{
926  owl_global_set_zaway_off(&g);
927  owl_function_makemsg("zaway off");
928}
929
930void owl_function_aaway_toggle(void)
931{
932  if (!owl_global_is_aaway(&g)) {
933    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
934    owl_function_aaway_on();
935  } else {
936    owl_function_aaway_off();
937  }
938}
939
940void owl_function_aaway_on(void)
941{
942  owl_global_set_aaway_on(&g);
943  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
944  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
945}
946
947void owl_function_aaway_off(void)
948{
949  owl_global_set_aaway_off(&g);
950  /* owl_aim_set_awaymsg(""); */
951  owl_function_makemsg("AIM away off");
952}
953
954void owl_function_quit(void)
955{
956  char *ret;
957 
958  /* zlog out if we need to */
959  if (owl_global_is_havezephyr(&g) &&
960      owl_global_is_shutdownlogout(&g)) {
961    owl_zephyr_zlog_out();
962  }
963
964  /* execute the commands in shutdown */
965  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
966  if (ret) owl_free(ret);
967
968  /* signal our child process, if any */
969  if (owl_global_get_newmsgproc_pid(&g)) {
970    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
971  }
972
973  /* Quit zephyr */
974  owl_zephyr_shutdown();
975 
976  /* Quit AIM */
977  if (owl_global_is_aimloggedin(&g)) {
978    owl_aim_logout();
979  }
980
981  /* done with curses */
982  endwin();
983
984  /* restore terminal settings */
985  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
986
987  owl_function_debugmsg("Quitting Owl");
988  exit(0);
989}
990
991void owl_function_calculate_topmsg(int direction)
992{
993  int recwinlines, topmsg, curmsg;
994  const owl_view *v;
995
996  v=owl_global_get_current_view(&g);
997  curmsg=owl_global_get_curmsg(&g);
998  topmsg=owl_global_get_topmsg(&g);
999  recwinlines=owl_global_get_recwin_lines(&g);
1000
1001  /*
1002  if (owl_view_get_size(v) < 1) {
1003    return;
1004  }
1005  */
1006
1007  switch (owl_global_get_scrollmode(&g)) {
1008  case OWL_SCROLLMODE_TOP:
1009    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1010    break;
1011  case OWL_SCROLLMODE_NEARTOP:
1012    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1013    break;
1014  case OWL_SCROLLMODE_CENTER:
1015    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1016    break;
1017  case OWL_SCROLLMODE_PAGED:
1018    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1019    break;
1020  case OWL_SCROLLMODE_PAGEDCENTER:
1021    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1022    break;
1023  case OWL_SCROLLMODE_NORMAL:
1024  default:
1025    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1026  }
1027  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1028  owl_global_set_topmsg(&g, topmsg);
1029}
1030
1031/* Returns what the new topmsg should be. 
1032 * Passed the last direction of movement,
1033 * the current view,
1034 * the current message number in the view,
1035 * the top message currently being displayed,
1036 * and the number of lines in the recwin.
1037 */
1038int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1039{
1040  return(curmsg);
1041}
1042
1043int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1044{
1045  if (curmsg>0 
1046      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1047          <  recwinlines/2)) {
1048    return(curmsg-1);
1049  } else {
1050    return(curmsg);
1051  }
1052}
1053 
1054int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1055{
1056  int i, last, lines;
1057
1058  last = curmsg;
1059  lines = 0;
1060  for (i=curmsg-1; i>=0; i--) {
1061    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1062    if (lines > recwinlines/2) break;
1063    last = i;
1064  }
1065  return(last);
1066}
1067 
1068int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1069{
1070  int i, last, lines, savey;
1071 
1072  /* If we're off the top of the screen, scroll up such that the
1073   * curmsg is near the botton of the screen. */
1074  if (curmsg < topmsg) {
1075    last = curmsg;
1076    lines = 0;
1077    for (i=curmsg; i>=0; i--) {
1078      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1079      if (lines > recwinlines) break;
1080    last = i;
1081    }
1082    if (center_on_page) {
1083      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1084    } else {
1085      return(last);
1086    }
1087  }
1088
1089  /* Find number of lines from top to bottom of curmsg (store in savey) */
1090  savey=0;
1091  for (i=topmsg; i<=curmsg; i++) {
1092    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1093  }
1094
1095  /* if we're off the bottom of the screen, scroll down */
1096  if (savey > recwinlines) {
1097    if (center_on_page) {
1098      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1099    } else {
1100      return(curmsg);
1101    }
1102  }
1103
1104  /* else just stay as we are... */
1105  return(topmsg);
1106}
1107
1108int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1109{
1110  int savey, i, foo, y;
1111
1112  if (curmsg<0) return(topmsg);
1113   
1114  /* If we're off the top of the screen then center */
1115  if (curmsg<topmsg) {
1116    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1117  }
1118
1119  /* If curmsg is so far past topmsg that there are more messages than
1120     lines, skip the line counting that follows because we're
1121     certainly off screen.  */
1122  savey=curmsg-topmsg;
1123  if (savey <= recwinlines) {
1124    /* Find number of lines from top to bottom of curmsg (store in savey) */
1125    savey = 0;
1126    for (i=topmsg; i<=curmsg; i++) {
1127      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1128    }
1129  }
1130
1131  /* If we're off the bottom of the screen, set the topmsg to curmsg
1132   * and scroll upwards */
1133  if (savey > recwinlines) {
1134    topmsg=curmsg;
1135    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1136    direction=OWL_DIRECTION_UPWARDS;
1137  }
1138 
1139  /* If our bottom line is less than 1/4 down the screen then scroll up */
1140  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1141    if (savey < (recwinlines / 4)) {
1142      y=0;
1143      for (i=curmsg; i>=0; i--) {
1144        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1145        /* will we run the curmsg off the screen? */
1146        if ((foo+y) >= recwinlines) {
1147          i++;
1148          if (i>curmsg) i=curmsg;
1149          break;
1150        }
1151        /* have saved 1/2 the screen space? */
1152        y+=foo;
1153        if (y > (recwinlines / 2)) break;
1154      }
1155      if (i<0) i=0;
1156      return(i);
1157    }
1158  }
1159
1160  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1161    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1162    if (savey > ((recwinlines * 3)/4)) {
1163      y=0;
1164      /* count lines from the top until we can save 1/2 the screen size */
1165      for (i=topmsg; i<curmsg; i++) {
1166        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1167        if (y > (recwinlines / 2)) break;
1168      }
1169      if (i==curmsg) {
1170        i--;
1171      }
1172      return(i+1);
1173    }
1174  }
1175
1176  return(topmsg);
1177}
1178
1179void owl_function_resize(void)
1180{
1181  owl_global_set_resize_pending(&g);
1182}
1183
1184void owl_function_debugmsg(const char *fmt, ...)
1185{
1186  FILE *file;
1187  time_t now;
1188  va_list ap;
1189  va_start(ap, fmt);
1190
1191  if (!owl_global_is_debug_fast(&g))
1192    return;
1193
1194  file = fopen(owl_global_get_debug_file(&g), "a");
1195  if (!file) /* XXX should report this */
1196    return;
1197
1198  now = time(NULL);
1199
1200  fprintf(file, "[%d -  %.24s - %lds]: ",
1201          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1202  vfprintf(file, fmt, ap);
1203  putc('\n', file);
1204  fclose(file);
1205
1206  va_end(ap);
1207}
1208
1209void owl_function_beep(void)
1210{
1211  if (owl_global_is_bell(&g)) {
1212    beep();
1213    owl_global_set_needrefresh(&g); /* do we really need this? */
1214  }
1215}
1216
1217int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1218{
1219  int ret;
1220
1221  ret=owl_zephyr_sub(class, inst, recip);
1222  if (ret) {
1223    owl_function_error("Error subscribing.");
1224  } else {
1225    owl_function_makemsg("Subscribed.");
1226  }
1227  return(ret);
1228}
1229
1230void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1231{
1232  int ret;
1233
1234  ret=owl_zephyr_unsub(class, inst, recip);
1235  if (ret) {
1236    owl_function_error("Error subscribing.");
1237  } else {
1238    owl_function_makemsg("Unsubscribed.");
1239  }
1240}
1241
1242void owl_function_set_cursor(WINDOW *win)
1243{
1244  /* Be careful that this window is actually empty, otherwise panels get confused */
1245  if (is_wintouched(win)) {
1246    owl_function_debugmsg("Warning: owl_function_set_cursor called on dirty window");
1247    update_panels();
1248  }
1249  wnoutrefresh(win);
1250}
1251
1252void owl_function_full_redisplay(void)
1253{
1254  redrawwin(owl_global_get_curs_recwin(&g));
1255  redrawwin(owl_global_get_curs_sepwin(&g));
1256  /* Work around curses segfualts with windows off the screen */
1257  if (g.lines >= owl_global_get_typwin_lines(&g)+2)
1258      redrawwin(owl_global_get_curs_typwin(&g));
1259  if (g.lines >= 2)
1260      redrawwin(owl_global_get_curs_msgwin(&g));
1261
1262  sepbar("");
1263  owl_function_makemsg("");
1264
1265  owl_global_set_needrefresh(&g);
1266}
1267
1268void owl_function_popless_text(const char *text)
1269{
1270  owl_popwin *pw;
1271  owl_viewwin *v;
1272
1273  pw=owl_global_get_popwin(&g);
1274  v=owl_global_get_viewwin(&g);
1275
1276  owl_popwin_up(pw);
1277  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1278  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1279                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1280                        text);
1281  owl_viewwin_redisplay(v);
1282  owl_global_set_needrefresh(&g);
1283}
1284
1285void owl_function_popless_fmtext(const owl_fmtext *fm)
1286{
1287  owl_popwin *pw;
1288  owl_viewwin *v;
1289
1290  pw=owl_global_get_popwin(&g);
1291  v=owl_global_get_viewwin(&g);
1292
1293  owl_popwin_up(pw);
1294  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1295  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1296                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1297                   fm);
1298  owl_viewwin_redisplay(v);
1299  owl_global_set_needrefresh(&g);
1300}
1301
1302void owl_function_popless_file(const char *filename)
1303{
1304  owl_fmtext fm;
1305  FILE *file;
1306  char *s = NULL;
1307
1308  file=fopen(filename, "r");
1309  if (!file) {
1310    owl_function_error("Could not open file: %s", filename);
1311    return;
1312  }
1313
1314  owl_fmtext_init_null(&fm);
1315  while (owl_getline(&s, file))
1316    owl_fmtext_append_normal(&fm, s);
1317  owl_free(s);
1318
1319  owl_function_popless_fmtext(&fm);
1320  owl_fmtext_cleanup(&fm);
1321  fclose(file);
1322}
1323
1324void owl_function_about(void)
1325{
1326  owl_function_popless_text(
1327    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1328    "barnowl is a fork of the Owl zephyr client, written and\n"
1329    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1330    "Massachusetts Institute of Technology. \n"
1331    "\n"
1332    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1333    "released in March 2002.\n"
1334    "\n"
1335    "The name 'owl' was chosen in reference to the owls in the\n"
1336    "Harry Potter novels, who are tasked with carrying messages\n"
1337    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1338    "because we feel our owls should live closer to our ponies.\n"
1339    "\n"
1340    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
1341    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1342    "Copyright 2002 Massachusetts Institute of Technology\n"
1343    "\n"
1344    "This program is free software. You can redistribute it and/or\n"
1345    "modify under the terms of the Sleepycat License. Use the \n"
1346    "':show license' command to display the full license\n"
1347  );
1348}
1349
1350void owl_function_info(void)
1351{
1352  const owl_message *m;
1353  owl_fmtext fm, attrfm;
1354  const owl_view *v;
1355#ifdef HAVE_LIBZEPHYR
1356  const ZNotice_t *n;
1357#endif
1358
1359  owl_fmtext_init_null(&fm);
1360 
1361  v=owl_global_get_current_view(&g);
1362  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1363  if (!m || owl_view_get_size(v)==0) {
1364    owl_function_error("No message selected\n");
1365    return;
1366  }
1367
1368  owl_fmtext_append_bold(&fm, "General Information:\n");
1369  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1370
1371  owl_fmtext_append_normal(&fm, "  Type      : ");
1372  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1373  owl_fmtext_append_normal(&fm, "\n");
1374
1375  if (owl_message_is_direction_in(m)) {
1376    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1377  } else if (owl_message_is_direction_out(m)) {
1378    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1379  } else if (owl_message_is_direction_none(m)) {
1380    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1381  } else {
1382    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1383  }
1384
1385  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1386
1387  if (!owl_message_is_type_admin(m)) {
1388    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1389    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1390  }
1391
1392  if (owl_message_is_type_zephyr(m)) {
1393    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1394   
1395    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1396    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1397    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1398#ifdef HAVE_LIBZEPHYR
1399    if (owl_message_is_direction_in(m)) {
1400      char *ptr, tmpbuff[1024];
1401      int i, j, fields, len;
1402
1403      n=owl_message_get_notice(m);
1404
1405      if (!owl_message_is_pseudo(m)) {
1406        owl_fmtext_append_normal(&fm, "  Kind      : ");
1407        if (n->z_kind==UNSAFE) {
1408          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1409        } else if (n->z_kind==UNACKED) {
1410          owl_fmtext_append_normal(&fm, "UNACKED\n");
1411        } else if (n->z_kind==ACKED) {
1412          owl_fmtext_append_normal(&fm, "ACKED\n");
1413        } else if (n->z_kind==HMACK) {
1414          owl_fmtext_append_normal(&fm, "HMACK\n");
1415        } else if (n->z_kind==HMCTL) {
1416          owl_fmtext_append_normal(&fm, "HMCTL\n");
1417        } else if (n->z_kind==SERVACK) {
1418          owl_fmtext_append_normal(&fm, "SERVACK\n");
1419        } else if (n->z_kind==SERVNAK) {
1420          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1421        } else if (n->z_kind==CLIENTACK) {
1422          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1423        } else if (n->z_kind==STAT) {
1424          owl_fmtext_append_normal(&fm, "STAT\n");
1425        } else {
1426          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1427        }
1428      }
1429      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1430
1431      if (!owl_message_is_pseudo(m)) {
1432        owl_fmtext_append_normal(&fm, "\n");
1433        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1434        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1435
1436        /* FIXME make these more descriptive */
1437        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1438        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1439        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1440        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1441
1442        fields=owl_zephyr_get_num_fields(n);
1443        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1444
1445        for (i=0; i<fields; i++) {
1446          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1447          len=strlen(ptr);
1448          if (len<30) {
1449            strncpy(tmpbuff, ptr, len);
1450            tmpbuff[len]='\0';
1451          } else {
1452            strncpy(tmpbuff, ptr, 30);
1453            tmpbuff[30]='\0';
1454            strcat(tmpbuff, "...");
1455          }
1456          owl_free(ptr);
1457
1458          for (j=0; j<strlen(tmpbuff); j++) {
1459            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1460            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1461          }
1462
1463          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1464        }
1465        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1466      }
1467
1468    }
1469#endif
1470  }
1471
1472  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1473  owl_message_attributes_tofmtext(m, &attrfm);
1474  owl_fmtext_append_fmtext(&fm, &attrfm);
1475 
1476  owl_function_popless_fmtext(&fm);
1477  owl_fmtext_cleanup(&fm);
1478  owl_fmtext_cleanup(&attrfm);
1479}
1480
1481/* print the current message in a popup window.
1482 * Use the 'default' style regardless of whatever
1483 * style the user may be using
1484 */
1485void owl_function_curmsg_to_popwin(void)
1486{
1487  const owl_view *v;
1488  const owl_message *m;
1489  const owl_style *s;
1490  owl_fmtext fm;
1491
1492  v=owl_global_get_current_view(&g);
1493  s=owl_global_get_style_by_name(&g, "default");
1494
1495  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1496
1497  if (!m || owl_view_get_size(v)==0) {
1498    owl_function_error("No current message");
1499    return;
1500  }
1501
1502  owl_fmtext_init_null(&fm);
1503  owl_style_get_formattext(s, &fm, m);
1504
1505  owl_function_popless_fmtext(&fm);
1506  owl_fmtext_cleanup(&fm);
1507}
1508
1509void owl_function_page_curmsg(int step)
1510{
1511  /* scroll down or up within the current message IF the message is truncated */
1512
1513  int offset, curmsg, lines;
1514  const owl_view *v;
1515  owl_message *m;
1516
1517  offset=owl_global_get_curmsg_vert_offset(&g);
1518  v=owl_global_get_current_view(&g);
1519  curmsg=owl_global_get_curmsg(&g);
1520  m=owl_view_get_element(v, curmsg);
1521  if (!m || owl_view_get_size(v)==0) return;
1522  lines=owl_message_get_numlines(m);
1523
1524  if (offset==0) {
1525    /* Bail if the curmsg isn't the last one displayed */
1526    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1527      owl_function_makemsg("The entire message is already displayed");
1528      return;
1529    }
1530   
1531    /* Bail if we're not truncated */
1532    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1533      owl_function_makemsg("The entire message is already displayed");
1534      return;
1535    }
1536  }
1537 
1538 
1539  /* don't scroll past the last line */
1540  if (step>0) {
1541    if (offset+step > lines-1) {
1542      owl_global_set_curmsg_vert_offset(&g, lines-1);
1543    } else {
1544      owl_global_set_curmsg_vert_offset(&g, offset+step);
1545    }
1546  }
1547
1548  /* would we be before the beginning of the message? */
1549  if (step<0) {
1550    if (offset+step<0) {
1551      owl_global_set_curmsg_vert_offset(&g, 0);
1552    } else {
1553      owl_global_set_curmsg_vert_offset(&g, offset+step);
1554    }
1555  }
1556 
1557  /* redisplay */
1558  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1559  owl_global_set_needrefresh(&g);
1560}
1561
1562void owl_function_resize_typwin(int newsize)
1563{
1564  owl_global_set_typwin_lines(&g, newsize);
1565  owl_function_resize();
1566}
1567
1568void owl_function_mainwin_pagedown(void)
1569{
1570  int i;
1571
1572  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1573  if (i<0) return;
1574  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1575      && (owl_global_get_curmsg(&g) < i)
1576      && (i>0)) {
1577    i--;
1578  }
1579  owl_global_set_curmsg(&g, i);
1580  owl_function_nextmsg();
1581}
1582
1583void owl_function_mainwin_pageup(void)
1584{
1585  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1586  owl_function_prevmsg();
1587}
1588
1589void owl_function_getsubs(void)
1590{
1591  char *buff;
1592
1593  buff=owl_zephyr_getsubs();
1594
1595  if (buff) {
1596    owl_function_popless_text(buff);
1597  } else {
1598    owl_function_popless_text("Error getting subscriptions");
1599  }
1600           
1601  owl_free(buff);
1602}
1603
1604void owl_function_printallvars(void)
1605{
1606  const char *name;
1607  char var[LINE];
1608  owl_list varnames;
1609  int i, numvarnames;
1610  GString *str   = g_string_new("");
1611
1612  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1613  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1614  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1615  numvarnames = owl_list_get_size(&varnames);
1616  for (i=0; i<numvarnames; i++) {
1617    name = owl_list_get_element(&varnames, i);
1618    if (name && name[0]!='_') {
1619      g_string_append_printf(str, "\n%-20s = ", name);
1620      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1621      g_string_append(str, var);
1622    }
1623  }
1624  g_string_append(str, "\n");
1625  owl_variable_dict_namelist_cleanup(&varnames);
1626
1627  owl_function_popless_text(str->str);
1628  g_string_free(str, TRUE);
1629}
1630
1631void owl_function_show_variables(void)
1632{
1633  owl_list varnames;
1634  owl_fmtext fm; 
1635  int i, numvarnames;
1636  const char *varname;
1637
1638  owl_fmtext_init_null(&fm);
1639  owl_fmtext_append_bold(&fm, 
1640      "Variables: (use 'show variable <name>' for details)\n");
1641  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1642  numvarnames = owl_list_get_size(&varnames);
1643  for (i=0; i<numvarnames; i++) {
1644    varname = owl_list_get_element(&varnames, i);
1645    if (varname && varname[0]!='_') {
1646      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1647    }
1648  }
1649  owl_variable_dict_namelist_cleanup(&varnames);
1650  owl_function_popless_fmtext(&fm);
1651  owl_fmtext_cleanup(&fm);
1652}
1653
1654void owl_function_show_variable(const char *name)
1655{
1656  owl_fmtext fm; 
1657
1658  owl_fmtext_init_null(&fm);
1659  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1660  owl_function_popless_fmtext(&fm);
1661  owl_fmtext_cleanup(&fm);
1662}
1663
1664/* note: this applies to global message list, not to view.
1665 * If flag is 1, deletes.  If flag is 0, undeletes. */
1666void owl_function_delete_by_id(int id, int flag)
1667{
1668  const owl_messagelist *ml;
1669  owl_message *m;
1670  ml = owl_global_get_msglist(&g);
1671  m = owl_messagelist_get_by_id(ml, id);
1672  if (m) {
1673    if (flag == 1) {
1674      owl_message_mark_delete(m);
1675    } else if (flag == 0) {
1676      owl_message_unmark_delete(m);
1677    }
1678    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1679    owl_global_set_needrefresh(&g);
1680  } else {
1681    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1682  }
1683}
1684
1685void owl_function_delete_automsgs(void)
1686{
1687  /* mark for deletion all messages in the current view that match the
1688   * 'trash' filter */
1689
1690  int i, j, count;
1691  owl_message *m;
1692  const owl_view *v;
1693  const owl_filter *f;
1694
1695  /* get the trash filter */
1696  f=owl_global_get_filter(&g, "trash");
1697  if (!f) {
1698    owl_function_error("No trash filter defined");
1699    return;
1700  }
1701
1702  v=owl_global_get_current_view(&g);
1703
1704  count=0;
1705  j=owl_view_get_size(v);
1706  for (i=0; i<j; i++) {
1707    m=owl_view_get_element(v, i);
1708    if (owl_filter_message_match(f, m)) {
1709      count++;
1710      owl_message_mark_delete(m);
1711    }
1712  }
1713  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1714  owl_function_makemsg("%i messages marked for deletion", count);
1715  owl_global_set_needrefresh(&g);
1716}
1717
1718void owl_function_status(void)
1719{
1720  char buff[MAXPATHLEN+1];
1721  time_t start;
1722  int up, days, hours, minutes;
1723  owl_fmtext fm;
1724
1725  owl_fmtext_init_null(&fm);
1726
1727  start=owl_global_get_starttime(&g);
1728
1729  owl_fmtext_append_normal(&fm, "General Information:\n");
1730
1731  owl_fmtext_append_normal(&fm, "  Version: ");
1732  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1733  owl_fmtext_append_normal(&fm, "\n");
1734
1735  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1736  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1737  owl_fmtext_append_normal(&fm, "\n");
1738
1739  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1740  if(getcwd(buff, MAXPATHLEN) == NULL) {
1741    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1742  } else {
1743    owl_fmtext_append_normal(&fm, buff);
1744  }
1745  owl_fmtext_append_normal(&fm, "\n");
1746
1747  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1748
1749  up=owl_global_get_runtime(&g);
1750  days=up/86400;
1751  up-=days*86400;
1752  hours=up/3600;
1753  up-=hours*3600;
1754  minutes=up/60;
1755  up-=minutes*60;
1756  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1757
1758  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1759  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1760  if (owl_global_is_havezephyr(&g)) {
1761    owl_fmtext_append_normal(&fm, "yes\n");
1762  } else {
1763    owl_fmtext_append_normal(&fm, "no\n");
1764  }
1765  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1766  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1767
1768
1769  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1770  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1771#if OWL_STDERR_REDIR
1772  owl_fmtext_append_normal(&fm, "yes\n");
1773#else
1774  owl_fmtext_append_normal(&fm, "no\n");
1775#endif
1776 
1777
1778  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1779  owl_fmtext_append_normal(&fm, "  Logged in: ");
1780  if (owl_global_is_aimloggedin(&g)) {
1781    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1782    owl_fmtext_append_normal(&fm, "\n");
1783  } else {
1784    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1785  }
1786
1787  owl_fmtext_append_normal(&fm, "  Processing events: ");
1788  if (owl_global_is_doaimevents(&g)) {
1789    owl_fmtext_append_normal(&fm, "yes\n");
1790  } else {
1791    owl_fmtext_append_normal(&fm, "no\n");
1792  }
1793
1794  owl_function_popless_fmtext(&fm);
1795  owl_fmtext_cleanup(&fm);
1796}
1797
1798void owl_function_show_term(void)
1799{
1800  owl_fmtext fm;
1801
1802  owl_fmtext_init_null(&fm);
1803  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1804          owl_global_get_lines(&g),
1805          owl_global_get_cols(&g));
1806
1807  if (owl_global_get_hascolors(&g)) {
1808    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1809    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1810    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1811  } else {
1812    owl_fmtext_append_normal(&fm, "Color: No\n");
1813  }
1814
1815  owl_function_popless_fmtext(&fm);
1816  owl_fmtext_cleanup(&fm);
1817}
1818
1819/* if type = 0 then normal reply.
1820 * if type = 1 then it's a reply to sender
1821 * if enter = 0 then allow the command to be edited
1822 * if enter = 1 then don't wait for editing
1823 */
1824void owl_function_reply(int type, int enter)
1825{
1826  char *buff=NULL;
1827  const owl_message *m;
1828  const owl_filter *f;
1829 
1830  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1831    owl_function_error("No message selected");
1832  } else {
1833    char *cmd;
1834   
1835    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1836    if (!m) {
1837      owl_function_error("No message selected");
1838      return;
1839    }
1840
1841    /* first check if we catch the reply-lockout filter */
1842    f=owl_global_get_filter(&g, "reply-lockout");
1843    if (f) {
1844      if (owl_filter_message_match(f, m)) {
1845        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1846        return;
1847      }
1848    }
1849
1850    /* then check if it's a question and just bring up the command prompt */
1851    if (owl_message_is_question(m)) {
1852      owl_function_start_command("");
1853      return;
1854    }
1855
1856    if((type == 0 &&
1857        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1858       (type == 1 &&
1859        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1860      buff = cmd;
1861    }
1862
1863    if(!buff) {
1864        owl_function_error("I don't know how to reply to that message.");
1865        return;
1866    }
1867
1868    if (enter) {
1869      owl_history *hist = owl_global_get_cmd_history(&g);
1870      owl_history_store(hist, buff);
1871      owl_history_reset(hist);
1872      owl_function_command_norv(buff);
1873    } else {
1874      owl_function_start_command(buff);
1875    }
1876    owl_free(buff);
1877  }
1878}
1879
1880void owl_function_zlocate(int argc, const char *const *argv, int auth)
1881{
1882  owl_fmtext fm;
1883  char *ptr;
1884  char *result;
1885  int i;
1886
1887  owl_fmtext_init_null(&fm);
1888
1889  for (i=0; i<argc; i++) {
1890    ptr = long_zuser(argv[i]);
1891    result = owl_zephyr_zlocate(ptr, auth);
1892    owl_fmtext_append_normal(&fm, result);
1893    owl_free(result);
1894    owl_free(ptr);
1895  }
1896
1897  owl_function_popless_fmtext(&fm);
1898  owl_fmtext_cleanup(&fm);
1899}
1900
1901void owl_callback_command(owl_editwin *e)
1902{
1903  char *rv;
1904  const char *line = owl_editwin_get_text(e);
1905
1906  rv = owl_function_command(line);
1907   if (rv) {
1908    owl_function_makemsg("%s", rv);
1909    owl_free(rv);
1910  }
1911}
1912
1913void owl_function_start_command(const char *line)
1914{
1915  owl_editwin *tw;
1916
1917  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1918
1919  owl_editwin_set_locktext(tw, "command: ");
1920  owl_global_set_needrefresh(&g);
1921
1922  owl_editwin_insert_string(tw, line);
1923  owl_editwin_redisplay(tw);
1924
1925  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1926  owl_editwin_set_callback(tw, owl_callback_command);
1927}
1928
1929owl_editwin *owl_function_start_question(const char *line)
1930{
1931  owl_editwin *tw;
1932
1933  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1934
1935  owl_editwin_set_locktext(tw, line);
1936  owl_global_set_needrefresh(&g);
1937
1938  owl_editwin_redisplay(tw);
1939
1940  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1941  return tw;
1942}
1943
1944owl_editwin *owl_function_start_password(const char *line)
1945{
1946  owl_editwin *tw;
1947
1948  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1949
1950  owl_editwin_set_echochar(tw, '*');
1951
1952  owl_editwin_set_locktext(tw, line);
1953  owl_global_set_needrefresh(&g);
1954
1955  owl_editwin_redisplay(tw);
1956
1957  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1958  return tw;
1959}
1960
1961char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1962{
1963  /* if type == 1 display in a popup
1964   * if type == 2 display an admin messages
1965   * if type == 0 return output
1966   * else display in a popup
1967   */
1968  const char *redirect = " 2>&1 < /dev/null";
1969  char *newbuff;
1970  char *out;
1971  FILE *p;
1972
1973#if OWL_STDERR_REDIR
1974  redirect = " < /dev/null";
1975#endif
1976
1977  if (argc<2) {
1978    owl_function_error("Wrong number of arguments to the exec command");
1979    return NULL;
1980  }
1981
1982  buff = skiptokens(buff, 1);
1983  newbuff = owl_sprintf("%s%s", buff, redirect);
1984
1985  if (type == 1) {
1986    owl_popexec_new(newbuff);
1987  } else {
1988    p = popen(newbuff, "r");
1989    out = owl_slurp(p);
1990    pclose(p);
1991   
1992    if (type==1) {
1993      owl_function_popless_text(out);
1994    } else if (type==0) {
1995      owl_free(newbuff);
1996      return out;
1997    } else if (type==2) {
1998      owl_function_adminmsg(buff, out);
1999    } else {
2000      owl_function_popless_text(out);
2001    }
2002    owl_free(out);
2003  }
2004  owl_free(newbuff);
2005  return NULL;
2006}
2007
2008char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2009{
2010  /* if type == 1 display in a popup
2011   * if type == 2 display an admin messages
2012   * if type == 0 return output
2013   * else display in a popup
2014   */
2015  char *perlout;
2016
2017  if (argc<2) {
2018    owl_function_error("Wrong number of arguments to perl command");
2019    return NULL;
2020  }
2021
2022  /* consume first token (argv[0]) */
2023  buff = skiptokens(buff, 1);
2024
2025  perlout = owl_perlconfig_execute(buff);
2026  if (perlout) { 
2027    if (type==1) {
2028      owl_function_popless_text(perlout);
2029    } else if (type==2) {
2030      owl_function_adminmsg(buff, perlout);
2031    } else if (type==0) {
2032      return perlout;
2033    } else {
2034      owl_function_popless_text(perlout);
2035    }
2036    owl_free(perlout);
2037  }
2038  return NULL;
2039}
2040
2041/* Change the filter associated with the current view.
2042 * This also figures out which message in the new filter
2043 * should have the pointer.
2044 */
2045void owl_function_change_currentview_filter(const char *filtname)
2046{
2047  owl_view *v;
2048  owl_filter *f;
2049  int curid=-1, newpos, curmsg;
2050  const owl_message *curm=NULL;
2051
2052  v=owl_global_get_current_view(&g);
2053
2054  curmsg=owl_global_get_curmsg(&g);
2055  if (curmsg==-1) {
2056    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2057  } else {
2058    curm=owl_view_get_element(v, curmsg);
2059    if (curm) {
2060      curid=owl_message_get_id(curm);
2061      owl_view_save_curmsgid(v, curid);
2062    }
2063  }
2064
2065  f=owl_global_get_filter(&g, filtname);
2066  if (!f) {
2067    owl_function_error("Unknown filter %s", filtname);
2068    return;
2069  }
2070
2071  owl_view_new_filter(v, f);
2072
2073  /* Figure out what to set the current message to.
2074   * - If the view we're leaving has messages in it, go to the closest message
2075   *   to the last message pointed to in that view.
2076   * - If the view we're leaving is empty, try to restore the position
2077   *   from the last time we were in the new view.  */
2078  if (curm) {
2079    newpos = owl_view_get_nearest_to_msgid(v, curid);
2080  } else {
2081    newpos = owl_view_get_nearest_to_saved(v);
2082  }
2083
2084  owl_global_set_curmsg(&g, newpos);
2085  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2086  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2087  owl_global_set_direction_downwards(&g);
2088}
2089
2090/* Create a new filter, or replace an existing one
2091 * with a new definition.
2092 */
2093void owl_function_create_filter(int argc, const char *const *argv)
2094{
2095  owl_filter *f;
2096  const owl_view *v;
2097  int inuse = 0;
2098
2099  if (argc < 2) {
2100    owl_function_error("Wrong number of arguments to filter command");
2101    return;
2102  }
2103
2104  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2105
2106  v=owl_global_get_current_view(&g);
2107
2108  /* don't touch the all filter */
2109  if (!strcmp(argv[1], "all")) {
2110    owl_function_error("You may not change the 'all' filter.");
2111    return;
2112  }
2113
2114  /* deal with the case of trying change the filter color */
2115  if (argc==4 && !strcmp(argv[2], "-c")) {
2116    f=owl_global_get_filter(&g, argv[1]);
2117    if (!f) {
2118      owl_function_error("The filter '%s' does not exist.", argv[1]);
2119      return;
2120    }
2121    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2122      owl_function_error("The color '%s' is not available.", argv[3]);
2123      return;
2124    }
2125    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2126    owl_global_set_needrefresh(&g);
2127    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2128    return;
2129  }
2130  if (argc==4 && !strcmp(argv[2], "-b")) {
2131    f=owl_global_get_filter(&g, argv[1]);
2132    if (!f) {
2133      owl_function_error("The filter '%s' does not exist.", argv[1]);
2134      return;
2135    }
2136    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2137      owl_function_error("The color '%s' is not available.", argv[3]);
2138      return;
2139    }
2140    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2141    owl_global_set_needrefresh(&g);
2142    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2143    return;
2144  }
2145
2146  /* create the filter and check for errors */
2147  f = owl_filter_new(argv[1], argc-2, argv+2);
2148  if (f == NULL) {
2149    owl_function_error("Invalid filter");
2150    return;
2151  }
2152
2153  /* if the named filter is in use by the current view, remember it */
2154  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2155    inuse=1;
2156  }
2157
2158  /* if the named filter already exists, nuke it */
2159  if (owl_global_get_filter(&g, argv[1])) {
2160    owl_global_remove_filter(&g, argv[1]);
2161  }
2162
2163  /* add the filter */
2164  owl_global_add_filter(&g, f);
2165
2166  /* if it was in use by the current view then update */
2167  if (inuse) {
2168    owl_function_change_currentview_filter(argv[1]);
2169  }
2170  owl_global_set_needrefresh(&g);
2171  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2172}
2173
2174/* If 'filtername' does not start with 'not-' create a filter named
2175 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2176 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2177 * 'filtername' begins with 'not-' and a filter 'filtername' already
2178 * exists, then do nothing.  If the filter 'filtername' does not
2179 * exist, create it and define it as 'not filter <filtername>'
2180 *
2181 * Returns the name of the negated filter, which the caller must free.
2182 */
2183char *owl_function_create_negative_filter(const char *filtername)
2184{
2185  char *newname;
2186  const owl_filter *tmpfilt;
2187  const char *argv[5];
2188
2189  owl_function_debugmsg("owl_function_create_negative_filter");
2190 
2191  if (!strncmp(filtername, "not-", 4)) {
2192    newname=owl_strdup(filtername+4);
2193  } else {
2194    newname=owl_sprintf("not-%s", filtername);
2195  }
2196
2197  tmpfilt=owl_global_get_filter(&g, newname);
2198  if (!tmpfilt) {
2199    argv[0]="filter"; /* anything is fine here */
2200    argv[1]=newname;
2201    argv[2]="not";
2202    argv[3]="filter";
2203    argv[4]=filtername;
2204    owl_function_create_filter(5, argv);
2205  }
2206
2207  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2208  return(newname);
2209}
2210
2211void owl_function_show_filters(void)
2212{
2213  const owl_filter *f;
2214  GList *fl;
2215  owl_fmtext fm;
2216
2217  owl_fmtext_init_null(&fm);
2218
2219  owl_fmtext_append_bold(&fm, "Filters:\n");
2220
2221  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2222    f = fl->data;
2223    owl_fmtext_append_normal(&fm, "   ");
2224    if (owl_global_get_hascolors(&g)) {
2225      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2226    } else {
2227      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2228    }
2229    owl_fmtext_append_normal(&fm, "\n");
2230  }
2231  owl_function_popless_fmtext(&fm);
2232  owl_fmtext_cleanup(&fm);
2233}
2234
2235void owl_function_show_filter(const char *name)
2236{
2237  const owl_filter *f;
2238  char *buff, *tmp;
2239
2240  f=owl_global_get_filter(&g, name);
2241  if (!f) {
2242    owl_function_error("There is no filter named %s", name);
2243    return;
2244  }
2245  tmp = owl_filter_print(f);
2246  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2247  owl_function_popless_text(buff);
2248  owl_free(buff);
2249  owl_free(tmp);
2250}
2251
2252void owl_function_show_zpunts(void)
2253{
2254  const owl_filter *f;
2255  const owl_list *fl;
2256  char buff[5000];
2257  char *tmp;
2258  owl_fmtext fm;
2259  int i, j;
2260
2261  owl_fmtext_init_null(&fm);
2262
2263  fl=owl_global_get_puntlist(&g);
2264  j=owl_list_get_size(fl);
2265  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2266
2267  for (i=0; i<j; i++) {
2268    f=owl_list_get_element(fl, i);
2269    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2270    owl_fmtext_append_normal(&fm, buff);
2271    tmp = owl_filter_print(f);
2272    owl_fmtext_append_normal(&fm, tmp);
2273    owl_free(tmp);
2274  }
2275  owl_function_popless_fmtext(&fm);
2276  owl_fmtext_cleanup(&fm);
2277}
2278
2279/* Create a filter for a class, instance if one doesn't exist.  If
2280 * instance is NULL then catch all messgaes in the class.  Returns the
2281 * name of the filter, which the caller must free.
2282 */
2283char *owl_function_classinstfilt(const char *c, const char *i) 
2284{
2285  owl_filter *f;
2286  char *argbuff, *filtname;
2287  char *tmpclass, *tmpinstance = NULL;
2288  char *class, *instance = NULL;
2289
2290  class = owl_util_baseclass(c);
2291  if(i) {
2292    instance = owl_util_baseclass(i);
2293  }
2294
2295  /* name for the filter */
2296  if (!instance) {
2297    filtname = owl_sprintf("class-%s", class);
2298  } else {
2299    filtname = owl_sprintf("class-%s-instance-%s", class, instance);
2300  }
2301  /* downcase it */
2302  {
2303    char *temp = g_utf8_strdown(filtname, -1);
2304    if (temp) {
2305      owl_free(filtname);
2306      filtname = temp;
2307    }
2308  }
2309  /* turn spaces, single quotes, and double quotes into dots */
2310  owl_text_tr(filtname, ' ', '.');
2311  owl_text_tr(filtname, '\'', '.');
2312  owl_text_tr(filtname, '"', '.');
2313 
2314  /* if it already exists then go with it.  This lets users override */
2315  if (owl_global_get_filter(&g, filtname)) {
2316    return(filtname);
2317  }
2318
2319  /* create the new filter */
2320  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2321  owl_text_tr(tmpclass, ' ', '.');
2322  owl_text_tr(tmpclass, '\'', '.');
2323  owl_text_tr(tmpclass, '"', '.');
2324  if (instance) {
2325    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2326    owl_text_tr(tmpinstance, ' ', '.');
2327    owl_text_tr(tmpinstance, '\'', '.');
2328    owl_text_tr(tmpinstance, '"', '.');
2329  }
2330
2331  argbuff = owl_sprintf("class ^(un)*%s(\\.d)*$", tmpclass);
2332  if (tmpinstance) {
2333    char *tmp = argbuff;
2334    argbuff = owl_sprintf("%s and ( instance ^(un)*%s(\\.d)*$ )", tmp, tmpinstance);
2335    owl_free(tmp);
2336  }
2337  owl_free(tmpclass);
2338  if (tmpinstance) owl_free(tmpinstance);
2339
2340  f = owl_filter_new_fromstring(filtname, argbuff);
2341
2342  /* add it to the global list */
2343  owl_global_add_filter(&g, f);
2344
2345  owl_free(argbuff);
2346  owl_free(class);
2347  if (instance) {
2348    owl_free(instance);
2349  }
2350  return(filtname);
2351}
2352
2353/* Create a filter for personal zephyrs to or from the specified
2354 * zephyr user.  Includes login/logout notifications for the user.
2355 * The name of the filter will be 'user-<user>'.  If a filter already
2356 * exists with this name, no new filter will be created.  This allows
2357 * the configuration to override this function.  Returns the name of
2358 * the filter, which the caller must free.
2359 */
2360char *owl_function_zuserfilt(const char *user)
2361{
2362  owl_filter *f;
2363  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2364
2365  /* stick the local realm on if it's not there */
2366  longuser=long_zuser(user);
2367  shortuser=short_zuser(user);
2368
2369  /* name for the filter */
2370  filtname=owl_sprintf("user-%s", shortuser);
2371
2372  /* if it already exists then go with it.  This lets users override */
2373  if (owl_global_get_filter(&g, filtname)) {
2374    return(owl_strdup(filtname));
2375  }
2376
2377  /* create the new-internal filter */
2378  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2379
2380  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2381      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2382      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2383      esclonguser);
2384
2385  f = owl_filter_new_fromstring(filtname, argbuff);
2386
2387  /* add it to the global list */
2388  owl_global_add_filter(&g, f);
2389
2390  /* free stuff */
2391  owl_free(argbuff);
2392  owl_free(longuser);
2393  owl_free(esclonguser);
2394  owl_free(shortuser);
2395
2396  return(filtname);
2397}
2398
2399/* Create a filter for AIM IM messages to or from the specified
2400 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2401 * filter already exists with this name, no new filter will be
2402 * created.  This allows the configuration to override this function.
2403 * Returns the name of the filter, which the caller must free.
2404 */
2405char *owl_function_aimuserfilt(const char *user)
2406{
2407  owl_filter *f;
2408  char *argbuff, *filtname;
2409  char *escuser;
2410
2411  /* name for the filter */
2412  filtname=owl_sprintf("aimuser-%s", user);
2413
2414  /* if it already exists then go with it.  This lets users override */
2415  if (owl_global_get_filter(&g, filtname)) {
2416    return(owl_strdup(filtname));
2417  }
2418
2419  /* create the new-internal filter */
2420  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2421
2422  argbuff = owl_sprintf(
2423      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2424      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2425      escuser, owl_global_get_aim_screenname_for_filters(&g));
2426
2427  f = owl_filter_new_fromstring(filtname, argbuff);
2428
2429  /* add it to the global list */
2430  owl_global_add_filter(&g, f);
2431
2432  /* free stuff */
2433  owl_free(argbuff);
2434  owl_free(escuser);
2435
2436  return(filtname);
2437}
2438
2439char *owl_function_typefilt(const char *type)
2440{
2441  owl_filter *f;
2442  char *argbuff, *filtname, *esctype;
2443
2444  /* name for the filter */
2445  filtname=owl_sprintf("type-%s", type);
2446
2447  /* if it already exists then go with it.  This lets users override */
2448  if (owl_global_get_filter(&g, filtname)) {
2449    return filtname;
2450  }
2451
2452  /* create the new-internal filter */
2453  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2454
2455  argbuff = owl_sprintf("type ^%s$", esctype);
2456
2457  f = owl_filter_new_fromstring(filtname, argbuff);
2458
2459  /* add it to the global list */
2460  owl_global_add_filter(&g, f);
2461
2462  /* free stuff */
2463  owl_free(argbuff);
2464  owl_free(esctype);
2465
2466  return filtname;
2467}
2468
2469/* If flag is 1, marks for deletion.  If flag is 0,
2470 * unmarks for deletion. */
2471void owl_function_delete_curview_msgs(int flag)
2472{
2473  const owl_view *v;
2474  int i, j;
2475
2476  v=owl_global_get_current_view(&g);
2477  j=owl_view_get_size(v);
2478  for (i=0; i<j; i++) {
2479    if (flag == 1) {
2480      owl_message_mark_delete(owl_view_get_element(v, i));
2481    } else if (flag == 0) {
2482      owl_message_unmark_delete(owl_view_get_element(v, i));
2483    }
2484  }
2485
2486  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2487
2488  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2489}
2490
2491/* Create a filter based on the current message.  Returns the name of
2492 * a filter or null.  The caller must free this name.
2493 *
2494 * if the curmsg is a personal zephyr return a filter name
2495 *    to the zephyr conversation with that user.
2496 * If the curmsg is a zephyr class message, instance foo, recip *,
2497 *    return a filter name to the class, inst.
2498 * If the curmsg is a zephyr class message and type==0 then
2499 *    return a filter name for just the class.
2500 * If the curmsg is a zephyr class message and type==1 then
2501 *    return a filter name for the class and instance.
2502 * If the curmsg is a personal AIM message returna  filter
2503 *    name to the AIM conversation with that user
2504 */
2505char *owl_function_smartfilter(int type)
2506{
2507  const owl_view *v;
2508  const owl_message *m;
2509  char *zperson, *filtname=NULL;
2510  const char *argv[1];
2511 
2512  v=owl_global_get_current_view(&g);
2513  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2514
2515  if (!m || owl_view_get_size(v)==0) {
2516    owl_function_error("No message selected\n");
2517    return(NULL);
2518  }
2519
2520  /* very simple handling of admin messages for now */
2521  if (owl_message_is_type_admin(m)) {
2522    return(owl_function_typefilt("admin"));
2523  }
2524
2525  /* very simple handling of loopback messages for now */
2526  if (owl_message_is_type_loopback(m)) {
2527    return(owl_function_typefilt("loopback"));
2528  }
2529
2530  /* aim messages */
2531  if (owl_message_is_type_aim(m)) {
2532    if (owl_message_is_direction_in(m)) {
2533      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2534    } else if (owl_message_is_direction_out(m)) {
2535      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2536    }
2537    return(filtname);
2538  }
2539
2540  /* narrow personal and login messages to the sender or recip as appropriate */
2541  if (owl_message_is_type_zephyr(m)) {
2542    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2543      if (owl_message_is_direction_in(m)) {
2544        zperson=short_zuser(owl_message_get_sender(m));
2545      } else {
2546        zperson=short_zuser(owl_message_get_recipient(m));
2547      }
2548      filtname=owl_function_zuserfilt(zperson);
2549      owl_free(zperson);
2550      return(filtname);
2551    }
2552
2553    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2554    if (!strcasecmp(owl_message_get_class(m), "message")) {
2555      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2556      return(filtname);
2557    }
2558
2559    /* otherwise narrow to the class */
2560    if (type==0) {
2561      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2562    } else if (type==1) {
2563      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2564    }
2565    return(filtname);
2566  }
2567
2568  /* pass it off to perl */
2569  if(type) {
2570    argv[0] = "-i";
2571  };
2572  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2573}
2574
2575void owl_function_smartzpunt(int type)
2576{
2577  /* Starts a zpunt command based on the current class,instance pair.
2578   * If type=0, uses just class.  If type=1, uses instance as well. */
2579  const owl_view *v;
2580  const owl_message *m;
2581  const char *cmdprefix, *mclass, *minst;
2582  char *cmd;
2583 
2584  v=owl_global_get_current_view(&g);
2585  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2586
2587  if (!m || owl_view_get_size(v)==0) {
2588    owl_function_error("No message selected\n");
2589    return;
2590  }
2591
2592  /* for now we skip admin messages. */
2593  if (owl_message_is_type_admin(m)
2594      || owl_message_is_loginout(m)
2595      || !owl_message_is_type_zephyr(m)) {
2596    owl_function_error("smartzpunt doesn't support this message type.");
2597    return;
2598  }
2599
2600  mclass = owl_message_get_class(m);
2601  minst = owl_message_get_instance(m);
2602  if (!mclass || !*mclass || *mclass==' '
2603      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2604      || (type && (!minst || !*minst|| *minst==' '))) {
2605    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2606                         mclass, minst);
2607  } else {
2608    cmdprefix = "start-command zpunt ";
2609    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2610    strcpy(cmd, cmdprefix);
2611    strcat(cmd, owl_getquoting(mclass));
2612    strcat(cmd, mclass);
2613    strcat(cmd, owl_getquoting(mclass));
2614    if (type) {
2615      strcat(cmd, " ");
2616      strcat(cmd, owl_getquoting(minst));
2617      strcat(cmd, minst);
2618      strcat(cmd, owl_getquoting(minst));
2619    } else {
2620      strcat(cmd, " *");
2621    }
2622    owl_function_command(cmd);
2623    owl_free(cmd);
2624  }
2625}
2626
2627/* Set the color of the current view's filter to
2628 * be 'color'
2629 */
2630void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2631{
2632  const char *name;
2633
2634  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2635  owl_function_color_filter(name, fgcolor, bgcolor);
2636}
2637
2638/* Set the color of the filter 'filter' to be 'color'.  If the color
2639 * name does not exist, return -1, if the filter does not exist or is
2640 * the "all" filter, return -2.  Return 0 on success
2641 */
2642int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2643{
2644  owl_filter *f;
2645
2646  f=owl_global_get_filter(&g, filtname);
2647  if (!f) {
2648    owl_function_error("Unknown filter");
2649    return(-2);
2650  }
2651
2652  /* don't touch the all filter */
2653  if (!strcmp(filtname, "all")) {
2654    owl_function_error("You may not change the 'all' filter.");
2655    return(-2);
2656  }
2657
2658  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2659    owl_function_error("No color named '%s' avilable.", fgcolor);
2660    return(-1);
2661  }
2662
2663
2664  if (bgcolor != NULL) {
2665    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2666      owl_function_error("No color named '%s' avilable.", bgcolor);
2667      return(-1);
2668    }
2669    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2670  }
2671  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2672 
2673  owl_global_set_needrefresh(&g);
2674  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2675  return(0);
2676}
2677
2678void owl_function_show_colors(void)
2679{
2680  owl_fmtext fm;
2681  int i; 
2682 
2683  owl_fmtext_init_null(&fm);
2684  owl_fmtext_append_normal(&fm, "default: ");
2685  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2686
2687  owl_fmtext_append_normal(&fm,"red:      ");
2688  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2689
2690  owl_fmtext_append_normal(&fm,"green:    ");
2691  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2692
2693  owl_fmtext_append_normal(&fm,"yellow:   ");
2694  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2695
2696  owl_fmtext_append_normal(&fm,"blue:     ");
2697  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2698
2699  owl_fmtext_append_normal(&fm,"magenta:  ");
2700  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2701
2702  owl_fmtext_append_normal(&fm,"cyan:     ");
2703  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2704
2705  owl_fmtext_append_normal(&fm,"white:    ");
2706  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2707
2708  for(i = 8; i < COLORS; ++i) {
2709    char* str1 = owl_sprintf("%4i:     ",i);
2710    char* str2 = owl_sprintf("%i\n",i);
2711    owl_fmtext_append_normal(&fm,str1);
2712    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2713    owl_free(str1);
2714     owl_free(str2);
2715  }
2716 
2717  owl_function_popless_fmtext(&fm);
2718  owl_fmtext_cleanup(&fm);
2719}
2720
2721/* add the given class, inst, recip to the punt list for filtering.
2722 *   if direction==0 then punt
2723 *   if direction==1 then unpunt
2724 */
2725void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2726{
2727  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2728  char *quoted;
2729
2730  if (!strcmp(class, "*")) {
2731    classexpr = owl_sprintf("class .*");
2732  } else {
2733    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2734    owl_text_tr(quoted, ' ', '.');
2735    owl_text_tr(quoted, '\'', '.');
2736    owl_text_tr(quoted, '"', '.');
2737    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2738    owl_free(quoted);
2739  }
2740  if (!strcmp(inst, "*")) {
2741    instexpr = owl_sprintf(" and instance .*");
2742  } else {
2743    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2744    owl_text_tr(quoted, ' ', '.');
2745    owl_text_tr(quoted, '\'', '.');
2746    owl_text_tr(quoted, '"', '.');
2747    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2748    owl_free(quoted);
2749  }
2750  if (!strcmp(recip, "*")) {
2751    recipexpr = owl_sprintf("");
2752  } else {
2753    if(!strcmp(recip, "%me%")) {
2754      recip = owl_zephyr_get_sender();
2755    }
2756    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2757    owl_text_tr(quoted, ' ', '.');
2758    owl_text_tr(quoted, '\'', '.');
2759    owl_text_tr(quoted, '"', '.');
2760    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2761    owl_free(quoted);
2762  }
2763
2764  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2765  owl_function_punt(puntexpr, direction);
2766  owl_free(puntexpr);
2767  owl_free(classexpr);
2768  owl_free(instexpr);
2769  owl_free(recipexpr);
2770}
2771
2772void owl_function_punt(const char *filter, int direction)
2773{
2774  owl_filter *f;
2775  owl_list *fl;
2776  int i, j;
2777  fl=owl_global_get_puntlist(&g);
2778
2779  /* first, create the filter */
2780  owl_function_debugmsg("About to filter %s", filter);
2781  f = owl_filter_new_fromstring("punt-filter", filter);
2782  if (f == NULL) {
2783    owl_function_error("Error creating filter for zpunt");
2784    return;
2785  }
2786
2787  /* Check for an identical filter */
2788  j=owl_list_get_size(fl);
2789  for (i=0; i<j; i++) {
2790    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2791      owl_function_debugmsg("found an equivalent punt filter");
2792      /* if we're punting, then just silently bow out on this duplicate */
2793      if (direction==0) {
2794        owl_filter_delete(f);
2795        return;
2796      }
2797
2798      /* if we're unpunting, then remove this filter from the puntlist */
2799      if (direction==1) {
2800        owl_filter_delete(owl_list_get_element(fl, i));
2801        owl_list_remove_element(fl, i);
2802        owl_filter_delete(f);
2803        return;
2804      }
2805    }
2806  }
2807
2808  owl_function_debugmsg("punting");
2809  /* If we're punting, add the filter to the global punt list */
2810  if (direction==0) {
2811    owl_list_append_element(fl, f);
2812  }
2813}
2814
2815void owl_function_show_keymaps(void)
2816{
2817  owl_list l;
2818  owl_fmtext fm;
2819  const owl_keymap *km;
2820  const owl_keyhandler *kh;
2821  int i, numkm;
2822  const char *kmname;
2823
2824  kh = owl_global_get_keyhandler(&g);
2825  owl_fmtext_init_null(&fm);
2826  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2827  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2828  owl_keyhandler_get_keymap_names(kh, &l);
2829  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2830  owl_fmtext_append_normal(&fm, "\n");
2831
2832  numkm = owl_list_get_size(&l);
2833  for (i=0; i<numkm; i++) {
2834    kmname = owl_list_get_element(&l, i);
2835    km = owl_keyhandler_get_keymap(kh, kmname);
2836    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2837    owl_keymap_get_details(km, &fm);   
2838  }
2839  owl_fmtext_append_normal(&fm, "\n");
2840 
2841  owl_function_popless_fmtext(&fm);
2842  owl_keyhandler_keymap_namelist_cleanup(&l);
2843  owl_fmtext_cleanup(&fm);
2844}
2845
2846char *owl_function_keymap_summary(const char *name)
2847{
2848  const owl_keymap *km
2849    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2850  if (km) return owl_keymap_summary(km);
2851  else return(NULL);
2852}
2853
2854/* TODO: implement for real */
2855void owl_function_show_keymap(const char *name)
2856{
2857  owl_fmtext fm;
2858  const owl_keymap *km;
2859
2860  owl_fmtext_init_null(&fm);
2861  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2862  if (km) {
2863    owl_keymap_get_details(km, &fm);
2864  } else {
2865    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2866  } 
2867  owl_function_popless_fmtext(&fm);
2868  owl_fmtext_cleanup(&fm);
2869}
2870
2871void owl_function_help_for_command(const char *cmdname)
2872{
2873  owl_fmtext fm;
2874
2875  owl_fmtext_init_null(&fm);
2876  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2877  owl_function_popless_fmtext(&fm); 
2878  owl_fmtext_cleanup(&fm);
2879}
2880
2881void owl_function_search_start(const char *string, int direction)
2882{
2883  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2884   * OWL_DIRECTION_NONE */
2885  owl_regex re;
2886
2887  if (string && owl_regex_create_quoted(&re, string) == 0) {
2888    owl_global_set_search_re(&g, &re);
2889    owl_regex_cleanup(&re);
2890  } else {
2891    owl_global_set_search_re(&g, NULL);
2892  }
2893
2894  if (direction == OWL_DIRECTION_NONE)
2895    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2896  else
2897    owl_function_search_helper(0, direction);
2898}
2899
2900void owl_function_search_continue(int direction)
2901{
2902  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2903  owl_function_search_helper(1, direction);
2904}
2905
2906void owl_function_search_helper(int mode, int direction)
2907{
2908  /* move to a message that contains the string.  If direction is
2909   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2910   * OWL_DIRECTION_UPWARDS then search backwards.
2911   *
2912   * If mode==0 then it will stay on the current message if it
2913   * contains the string.
2914   */
2915
2916  const owl_view *v;
2917  int viewsize, i, curmsg, start;
2918  owl_message *m;
2919
2920  v=owl_global_get_current_view(&g);
2921  viewsize=owl_view_get_size(v);
2922  curmsg=owl_global_get_curmsg(&g);
2923 
2924  if (viewsize==0) {
2925    owl_function_error("No messages present");
2926    return;
2927  }
2928
2929  if (mode==0) {
2930    start=curmsg;
2931  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2932    start=curmsg+1;
2933  } else {
2934    start=curmsg-1;
2935  }
2936
2937  /* bounds check */
2938  if (start>=viewsize || start<0) {
2939    owl_function_error("No further matches found");
2940    return;
2941  }
2942
2943  for (i=start; i<viewsize && i>=0;) {
2944    m=owl_view_get_element(v, i);
2945    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2946      owl_global_set_curmsg(&g, i);
2947      owl_function_calculate_topmsg(direction);
2948      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2949      if (direction==OWL_DIRECTION_DOWNWARDS) {
2950        owl_global_set_direction_downwards(&g);
2951      } else {
2952        owl_global_set_direction_upwards(&g);
2953      }
2954      return;
2955    }
2956    if (direction==OWL_DIRECTION_DOWNWARDS) {
2957      i++;
2958    } else {
2959      i--;
2960    }
2961    owl_function_mask_sigint(NULL);
2962    if(owl_global_is_interrupted(&g)) {
2963      owl_global_unset_interrupted(&g);
2964      owl_function_unmask_sigint(NULL);
2965      owl_function_makemsg("Search interrupted!");
2966      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2967      return;
2968    }
2969    owl_function_unmask_sigint(NULL);
2970  }
2971  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2972  owl_function_error("No matches found");
2973}
2974
2975/* strips formatting from ztext and returns the unformatted text.
2976 * caller is responsible for freeing. */
2977char *owl_function_ztext_stylestrip(const char *zt)
2978{
2979  owl_fmtext fm;
2980  char *plaintext;
2981
2982  owl_fmtext_init_null(&fm);
2983  owl_fmtext_append_ztext(&fm, zt);
2984  plaintext = owl_fmtext_print_plain(&fm);
2985  owl_fmtext_cleanup(&fm);
2986  return(plaintext);
2987}
2988
2989/* Popup a buddylisting.  If filename is NULL use the default .anyone */
2990void owl_function_buddylist(int aim, int zephyr, const char *filename)
2991{
2992  int i, j, idle;
2993  int interrupted = 0;
2994  owl_fmtext fm;
2995  const owl_buddylist *bl;
2996  const owl_buddy *b;
2997  char *timestr;
2998#ifdef HAVE_LIBZEPHYR
2999  int x;
3000  owl_list anyone;
3001  const char *user;
3002  char *tmp;
3003  ZLocations_t location[200];
3004  int numlocs, ret;
3005#endif
3006
3007  owl_fmtext_init_null(&fm);
3008
3009  /* AIM first */
3010  if (aim && owl_global_is_aimloggedin(&g)) {
3011    bl=owl_global_get_buddylist(&g);
3012
3013    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3014    /* we're assuming AIM for now */
3015    j=owl_buddylist_get_size(bl);
3016    for (i=0; i<j; i++) {
3017      b=owl_buddylist_get_buddy_n(bl, i);
3018      idle=owl_buddy_get_idle_time(b);
3019      if (idle!=0) {
3020        timestr=owl_util_minutes_to_timestr(idle);
3021      } else {
3022        timestr=owl_strdup("");
3023      }
3024      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3025      owl_free(timestr);
3026    }
3027  }
3028
3029#ifdef HAVE_LIBZEPHYR
3030  if (zephyr) {
3031    if(!owl_global_is_havezephyr(&g)) {
3032      owl_function_error("Zephyr currently not available.");
3033    } else {
3034      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3035      owl_list_create(&anyone);
3036      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3037      if (ret) {
3038        if (errno == ENOENT) {
3039          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3040          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3041          owl_fmtext_append_bold(  &fm, "<username>");
3042          owl_fmtext_append_normal(&fm, "'.\n");
3043        } else {
3044          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3045        }
3046      } else {
3047        j=owl_list_get_size(&anyone);
3048        for (i=0; i<j; i++) {
3049          user=owl_list_get_element(&anyone, i);
3050          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3051
3052          owl_function_mask_sigint(NULL);
3053          if(owl_global_is_interrupted(&g)) {
3054            interrupted = 1;
3055            owl_global_unset_interrupted(&g);
3056            owl_function_unmask_sigint(NULL);
3057            owl_function_makemsg("Interrupted!");
3058            break;
3059          }
3060
3061          owl_function_unmask_sigint(NULL);
3062
3063          if (ret!=ZERR_NONE) {
3064            owl_function_error("Error getting location for %s", user);
3065            continue;
3066          }
3067
3068          numlocs=200;
3069          ret=ZGetLocations(location, &numlocs);
3070          if (ret==0) {
3071            for (x=0; x<numlocs; x++) {
3072              tmp=short_zuser(user);
3073              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3074                                        tmp,
3075                                        location[x].host,
3076                                        location[x].tty,
3077                                        location[x].time);
3078              owl_free(tmp);
3079            }
3080            if (numlocs>=200) {
3081              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3082            }
3083          }
3084        }
3085      }
3086      owl_list_cleanup(&anyone, owl_free);
3087    }
3088  }
3089#endif
3090
3091  if (aim && zephyr) {
3092    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3093      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3094      if (perlblist) {
3095        owl_fmtext_append_ztext(&fm, perlblist);
3096        owl_free(perlblist);
3097      }
3098    }
3099  }
3100
3101  if(!interrupted) {
3102    owl_function_popless_fmtext(&fm);
3103  }
3104  owl_fmtext_cleanup(&fm);
3105}
3106
3107/* Dump messages in the current view to the file 'filename'. */
3108void owl_function_dump(const char *filename) 
3109{
3110  int i, j;
3111  owl_message *m;
3112  const owl_view *v;
3113  FILE *file;
3114  char *plaintext;
3115
3116  v=owl_global_get_current_view(&g);
3117
3118  /* in the future make it ask yes/no */
3119  /*
3120  ret=stat(filename, &sbuf);
3121  if (!ret) {
3122    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3123    if (!ret) return;
3124  }
3125  */
3126
3127  file=fopen(filename, "w");
3128  if (!file) {
3129    owl_function_error("Error opening file");
3130    return;
3131  }
3132
3133  j=owl_view_get_size(v);
3134  for (i=0; i<j; i++) {
3135    m=owl_view_get_element(v, i);
3136    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3137    if (plaintext) {
3138      fputs(plaintext, file);
3139      owl_free(plaintext);
3140    }
3141  }
3142  fclose(file);
3143  owl_function_makemsg("Messages dumped to %s", filename);
3144}
3145
3146void owl_function_do_newmsgproc(void)
3147{
3148  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3149    /* if there's a process out there, we need to check on it */
3150    if (owl_global_get_newmsgproc_pid(&g)) {
3151      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3152      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3153      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3154      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3155        /* it exited */
3156        owl_global_set_newmsgproc_pid(&g, 0);
3157        owl_function_debugmsg("newmsgproc exited");
3158      } else {
3159        owl_function_debugmsg("newmsgproc did not exit");
3160      }
3161    }
3162   
3163    /* if it exited, fork & exec a new one */
3164    if (owl_global_get_newmsgproc_pid(&g)==0) {
3165      pid_t i;
3166      int myargc;
3167      i=fork();
3168      if (i) {
3169        /* parent set the child's pid */
3170        owl_global_set_newmsgproc_pid(&g, i);
3171        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3172      } else {
3173        /* child exec's the program */
3174        char **parsed;
3175        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3176        if (myargc < 0) {
3177          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3178        }
3179        if (myargc <= 0) {
3180          _exit(127);
3181        }
3182        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3183        parsed[myargc] = NULL;
3184       
3185        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3186       
3187        execvp(parsed[0], parsed);
3188       
3189       
3190        /* was there an error exec'ing? */
3191        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3192                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3193        _exit(127);
3194      }
3195    }
3196  }
3197}
3198
3199/* print the xterm escape sequence to raise the window */
3200void owl_function_xterm_raise(void)
3201{
3202  printf("\033[5t");
3203}
3204
3205/* print the xterm escape sequence to deiconify the window */
3206void owl_function_xterm_deiconify(void)
3207{
3208  printf("\033[1t");
3209}
3210
3211/* Add the specified command to the startup file.  Eventually this
3212 * should be clever, and rewriting settings that will obviosly
3213 * override earlier settings with 'set' 'bindkey' and 'alias'
3214 * commands.  For now though we just remove any line that would
3215 * duplicate this one and then append this line to the end of
3216 * startupfile.
3217 */
3218void owl_function_addstartup(const char *buff)
3219{
3220  FILE *file;
3221  const char *filename;
3222
3223  filename=owl_global_get_startupfile(&g);
3224
3225  /* delete earlier copies */
3226  owl_util_file_deleteline(filename, buff, 1);
3227
3228  file=fopen(filename, "a");
3229  if (!file) {
3230    owl_function_error("Error opening startupfile for new command");
3231    return;
3232  }
3233
3234  /* add this line */
3235  fprintf(file, "%s\n", buff);
3236
3237  fclose(file);
3238}
3239
3240/* Remove the specified command from the startup file. */
3241void owl_function_delstartup(const char *buff)
3242{
3243  const char *filename;
3244  filename=owl_global_get_startupfile(&g);
3245  owl_util_file_deleteline(filename, buff, 1);
3246}
3247
3248/* Execute owl commands from the given filename.  If the filename
3249 * is NULL, use the default owl startup commands file.
3250 */
3251void owl_function_source(const char *filename)
3252{
3253  char *path;
3254  FILE *file;
3255  char *s = NULL;
3256  int fail_silent = 0;
3257
3258  if (!filename) {
3259    fail_silent = 1;
3260    path = owl_strdup(owl_global_get_startupfile(&g));
3261  } else {
3262    path = owl_util_makepath(filename);
3263  }
3264  file = fopen(path, "r");
3265  owl_free(path);
3266  if (!file) {
3267    if (!fail_silent) {
3268      owl_function_error("Error opening file: %s", filename);
3269    }
3270    return;
3271  }
3272  while (owl_getline_chomp(&s, file)) {
3273    if (s[0] == '\0' || s[0] == '#')
3274      continue;
3275    owl_function_command(s);
3276  }
3277
3278  owl_free(s);
3279  fclose(file);
3280}
3281
3282void owl_function_change_style(owl_view *v, const char *stylename)
3283{
3284  const owl_style *s;
3285
3286  s=owl_global_get_style_by_name(&g, stylename);
3287  if (!s) {
3288    owl_function_error("No style named %s", stylename);
3289    return;
3290  }
3291  owl_view_set_style(v, s);
3292  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3293  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3294  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3295}
3296
3297void owl_function_toggleoneline(void)
3298{
3299  owl_view *v;
3300  const owl_style *s;
3301
3302  v=owl_global_get_current_view(&g);
3303  s=owl_view_get_style(v);
3304
3305  if (!owl_style_matches_name(s, "oneline")) {
3306    owl_function_change_style(v, "oneline");
3307  } else {
3308    owl_function_change_style(v, owl_global_get_default_style(&g));
3309  }
3310
3311  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3312  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3313  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3314}
3315
3316void owl_function_error(const char *fmt, ...)
3317{
3318  static int in_error = 0;
3319  va_list ap;
3320  char *buff;
3321  const char *nl;
3322
3323  if (++in_error > 2) {
3324    /* More than two nested errors, bail immediately. */
3325    in_error--;
3326    return;
3327  }
3328
3329  va_start(ap, fmt);
3330  buff = g_strdup_vprintf(fmt, ap);
3331  va_end(ap);
3332
3333  owl_function_debugmsg("ERROR: %s", buff);
3334  owl_function_log_err(buff);
3335
3336  nl = strchr(buff, '\n');
3337
3338  /*
3339    Showing admin messages triggers a lot of code. If we have a
3340    recursive error call, that's the most likely candidate, so
3341    suppress the call in that case, to try to avoid infinite looping.
3342  */
3343
3344  if(nl && *(nl + 1) && in_error == 1) {
3345    /* Multiline error */
3346    owl_function_adminmsg("ERROR", buff);
3347  } else {
3348    owl_function_makemsg("[Error] %s", buff);
3349  }
3350
3351  owl_free(buff);
3352
3353  in_error--;
3354}
3355
3356void owl_function_log_err(const char *string)
3357{
3358  char *date;
3359  time_t now;
3360  char *buff;
3361
3362  now=time(NULL);
3363  date=owl_strdup(ctime(&now));
3364  date[strlen(date)-1]='\0';
3365
3366  buff = owl_sprintf("%s %s", date, string);
3367
3368  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3369
3370  owl_free(buff);
3371  owl_free(date);
3372}
3373
3374void owl_function_showerrs(void)
3375{
3376  owl_fmtext fm;
3377
3378  owl_fmtext_init_null(&fm);
3379  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3380  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3381  owl_function_popless_fmtext(&fm);
3382}
3383
3384void owl_function_makemsg(const char *fmt, ...)
3385{
3386  va_list ap;
3387  char buff[2048];
3388
3389  if (!owl_global_get_curs_msgwin(&g)) return;
3390
3391  va_start(ap, fmt);
3392  werase(owl_global_get_curs_msgwin(&g));
3393 
3394  vsnprintf(buff, 2048, fmt, ap);
3395  owl_function_debugmsg("makemsg: %s", buff);
3396  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3397  owl_global_set_needrefresh(&g);
3398  va_end(ap);
3399}
3400
3401/* get locations for everyone in .anyone.  If 'notify' is '1' then
3402 * send a pseudo login or logout message for everyone not in sync with
3403 * the global zephyr buddy list.  The list is updated regardless of
3404 * the status of 'notify'.
3405 */
3406void owl_function_zephyr_buddy_check(int notify)
3407{
3408#ifdef HAVE_LIBZEPHYR
3409  int i, j;
3410  owl_list anyone;
3411  owl_zbuddylist *zbl;
3412  GList **zaldlist;
3413  GList *zaldptr;
3414  ZAsyncLocateData_t *zald;
3415  const char *user;
3416
3417  if (!owl_global_is_havezephyr(&g)) return;
3418  owl_global_set_pseudologin_notify(&g, notify);
3419  zbl = owl_global_get_zephyr_buddylist(&g);
3420  zaldlist = owl_global_get_zaldlist(&g);
3421
3422  /* Clear the existing ZALDs first. */
3423  zaldptr = g_list_first(*zaldlist);
3424  while (zaldptr) {
3425    ZFreeALD(zaldptr->data);
3426    owl_free(zaldptr->data);
3427    zaldptr = g_list_next(zaldptr);
3428  }
3429  g_list_free(*zaldlist);
3430  *zaldlist = NULL;
3431
3432  owl_list_create(&anyone);
3433  owl_zephyr_get_anyone_list(&anyone, NULL);
3434  j = owl_list_get_size(&anyone);
3435  for (i = 0; i < j; i++) {
3436    user = owl_list_get_element(&anyone, i);
3437    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3438    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3439      *zaldlist = g_list_append(*zaldlist, zald);
3440    } else {
3441      owl_free(zald);
3442    }
3443  }
3444
3445  owl_list_cleanup(&anyone, owl_free);
3446#endif
3447}
3448
3449void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3450{
3451  owl_fmtext fm;
3452  int i, j;
3453
3454  owl_fmtext_init_null(&fm);
3455  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3456  owl_fmtext_append_normal(&fm, email);
3457  owl_fmtext_append_normal(&fm, ":\n");
3458
3459  j=owl_list_get_size(namelist);
3460  for (i=0; i<j; i++) {
3461    owl_fmtext_append_normal(&fm, "  ");
3462    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3463    owl_fmtext_append_normal(&fm, "\n");
3464  }
3465
3466  owl_function_popless_fmtext(&fm);
3467  owl_fmtext_cleanup(&fm);
3468}
3469
3470int owl_function_get_color_count(void)
3471{
3472     return COLORS;
3473}
3474
3475void owl_function_mask_sigint(sigset_t *oldmask) {
3476  sigset_t intr;
3477
3478  sigemptyset(&intr);
3479  sigaddset(&intr, SIGINT);
3480  sigprocmask(SIG_BLOCK, &intr, oldmask);
3481}
3482
3483void owl_function_unmask_sigint(sigset_t *oldmask) {
3484  sigset_t intr;
3485
3486  sigemptyset(&intr);
3487  sigaddset(&intr, SIGINT);
3488  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3489}
3490
3491void _owl_function_mark_message(const owl_message *m)
3492{
3493  if (m) {
3494    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3495    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3496  }
3497}
3498
3499void owl_function_mark_message(void)
3500{
3501  const owl_message *m;
3502  const owl_view *v;
3503
3504  v=owl_global_get_current_view(&g);
3505
3506  /* bail if there's no current message */
3507  if (owl_view_get_size(v) < 1) {
3508    owl_function_error("No messages to mark");
3509    return;
3510  }
3511
3512  /* mark the message */
3513  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3514  _owl_function_mark_message(m);
3515  owl_function_makemsg("Mark set");
3516}
3517
3518void owl_function_swap_cur_marked(void)
3519{
3520  int marked_id;
3521  const owl_message *m;
3522  const owl_view *v;
3523
3524  marked_id=owl_global_get_markedmsgid(&g);
3525  if (marked_id == -1) {
3526    owl_function_error("Mark not set.");
3527    return;
3528  }
3529
3530  v=owl_global_get_current_view(&g);
3531  /* bail if there's no current message */
3532  if (owl_view_get_size(v) < 1) {
3533    return;
3534  }
3535
3536  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3537  _owl_function_mark_message(m);
3538  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3539  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3540  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3541  owl_global_set_direction_downwards(&g);
3542}
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