source: functions.c @ 416a7e5

Last change on this file since 416a7e5 was a38becd, checked in by Edward Z. Yang <ezyang@mit.edu>, 8 years ago
Added a perl hook for :away Note: The sepbar no longer distinguishes between AWAY, A-AWAY, and Z-AWAY.
  • Property mode set to 100644
File size: 97.5 KB
Line 
1#include "owl.h"
2#include "filterproc.h"
3#include <stdio.h>
4#include <sys/stat.h>
5#include <sys/wait.h>
6
7CALLER_OWN char *owl_function_command(const char *cmdbuff)
8{
9  owl_function_debugmsg("executing command: %s", cmdbuff);
10  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
11                             owl_global_get_context(&g), cmdbuff);
12}
13
14CALLER_OWN char *owl_function_command_argv(const char *const *argv, int argc)
15{
16  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
17                                  owl_global_get_context(&g),
18                                  argv, argc);
19}
20
21void owl_function_command_norv(const char *cmdbuff)
22{
23  char *rv;
24  rv=owl_function_command(cmdbuff);
25  g_free(rv);
26}
27
28void owl_function_command_alias(const char *alias_from, const char *alias_to)
29{
30  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
31}
32
33const owl_cmd *owl_function_get_cmd(const char *name)
34{
35  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
36}
37
38void owl_function_show_commands(void)
39{
40  GPtrArray *l;
41  owl_fmtext fm;
42
43  owl_fmtext_init_null(&fm);
44  owl_fmtext_append_bold(&fm, "Commands:  ");
45  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
46  l = owl_cmddict_get_names(owl_global_get_cmddict(&g));
47  owl_fmtext_append_list(&fm, l, "\n", owl_function_cmd_describe);
48  owl_fmtext_append_normal(&fm, "\n");
49  owl_function_popless_fmtext(&fm);
50  owl_ptr_array_free(l, g_free);
51  owl_fmtext_cleanup(&fm);
52}
53
54void owl_function_show_view(const char *viewname)
55{
56  const owl_view *v;
57  owl_fmtext fm;
58
59  /* we only have the one view right now */
60  v=owl_global_get_current_view(&g);
61  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
62    owl_function_error("No view named '%s'", viewname);
63    return;
64  }
65
66  owl_fmtext_init_null(&fm);
67  owl_view_to_fmtext(v, &fm);
68  owl_function_popless_fmtext(&fm);
69  owl_fmtext_cleanup(&fm);
70}
71
72void owl_function_show_styles(void) {
73  GPtrArray *l;
74  owl_fmtext fm;
75
76  owl_fmtext_init_null(&fm);
77  owl_fmtext_append_bold(&fm, "Styles:\n");
78  l = owl_global_get_style_names(&g);
79  owl_fmtext_append_list(&fm, l, "\n", owl_function_style_describe);
80  owl_fmtext_append_normal(&fm, "\n");
81  owl_function_popless_fmtext(&fm);
82  owl_ptr_array_free(l, g_free);
83  owl_fmtext_cleanup(&fm);
84}
85
86CALLER_OWN char *owl_function_style_describe(const char *name)
87{
88  const char *desc;
89  char *s;
90  const owl_style *style;
91  style = owl_global_get_style_by_name(&g, name);
92  if (style) {
93    desc = owl_style_get_description(style);
94  } else {
95    desc = "???";
96  }
97  s = g_strdup_printf("%-20s - %s%s", name,
98                      0 == owl_style_validate(style) ? "" : "[INVALID] ",
99                      desc);
100  return s;
101}
102
103CALLER_OWN char *owl_function_cmd_describe(const char *name)
104{
105  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
106  if (cmd) return owl_cmd_describe(cmd);
107  else return(NULL);
108}
109
110void owl_function_show_command(const char *name)
111{
112  owl_function_help_for_command(name);
113}
114
115void owl_function_show_license(void)
116{
117  const char *text;
118
119  text=""
120    "BarnOwl version " OWL_VERSION_STRING "\n"
121    "Copyright (c) 2006-2011 The BarnOwl Developers. All rights reserved.\n"
122    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
123    "\n"
124    "Redistribution and use in source and binary forms, with or without\n"
125    "modification, are permitted provided that the following conditions are\n"
126    "met:\n"
127    "\n"
128    "   * Redistributions of source code must retain the above copyright\n"
129    "     notice, this list of conditions and the following disclaimer.\n"
130    "\n"
131    "   * Redistributions in binary form must reproduce the above copyright\n"
132    "     notice, this list of conditions and the following disclaimer in\n"
133    "     the documentation and/or other materials provided with the\n"
134    "     distribution.\n"
135    "\n"
136    "   * Redistributions in any form must be accompanied by information on\n"
137    "     how to obtain complete source code for the BarnOwl software and any\n"
138    "     accompanying software that uses the BarnOwl software. The source code\n"
139    "     must either be included in the distribution or be available for no\n"
140    "     more than the cost of distribution plus a nominal fee, and must be\n"
141    "     freely redistributable under reasonable conditions. For an\n"
142    "     executable file, complete source code means the source code for\n"
143    "     all modules it contains. It does not include source code for\n"
144    "     modules or files that typically accompany the major components of\n"
145    "     the operating system on which the executable file runs.\n"
146    "\n"
147    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
148    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
149    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
150    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
151    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
152    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
153    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
154    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
155    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
156    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
157    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
158  owl_function_popless_text(text);
159}
160
161void owl_function_show_quickstart(void)
162{
163    const char *message =
164    "Move between messages with the arrow keys, and press 'r' to reply.\n"
165    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
166#ifdef HAVE_LIBZEPHYR
167    "@b(Zephyr:)\n"
168    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
169    "press 'z' and then type the username. To subscribe to a class, type\n"
170    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
171#endif
172    "@b(AIM:)\n"
173    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
174    "or 'a' and then the screen name, to send someone a message.\n\n"
175    ;
176
177    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
178        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
179        if (perlquickstart) {
180            char *result = g_strdup_printf("%s%s", message, perlquickstart);
181            owl_function_adminmsg("BarnOwl Quickstart", result);
182            g_free(result);
183            g_free(perlquickstart);
184            return;
185        }
186    }
187    owl_function_adminmsg("BarnOwl Quickstart", message);
188}
189
190
191/* Create an admin message, append it to the global list of messages
192 * and redisplay if necessary.
193 */
194void owl_function_adminmsg(const char *header, const char *body)
195{
196  owl_message *m;
197
198  m=g_new(owl_message, 1);
199  owl_message_create_admin(m, header, body);
200 
201  /* add it to the global list and current view */
202  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
203  owl_view_consider_message(owl_global_get_current_view(&g), m);
204
205  /* do followlast if necessary */
206  if (owl_global_should_followlast(&g)) owl_function_lastmsg();
207
208  /* redisplay etc. */
209  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
210}
211
212/* Queues outgoing zephyrs; if z sends to n people, queue n messages
213 * (except in case of cc). If there are no recipients queues 1
214 * message.
215 */
216void owl_function_add_outgoing_zephyrs(const owl_zwrite *z)
217{
218  if (z->cc && owl_zwrite_is_personal(z)) {
219    /* create the message */
220    owl_message *m = g_new(owl_message, 1);
221    owl_message_create_from_zwrite(m, z, owl_zwrite_get_message(z), 0);
222
223    owl_global_messagequeue_addmsg(&g, m);
224  } else {
225    int i;
226    for (i = 0; i < owl_zwrite_get_numrecips(z); i++) {
227      owl_message *m;
228
229      if (!owl_zwrite_recip_is_personal(owl_zwrite_get_recip_n(z, i)))
230        continue;
231
232      /* create the message */
233      m = g_new(owl_message, 1);
234      owl_message_create_from_zwrite(m, z, owl_zwrite_get_message(z), i);
235
236      owl_global_messagequeue_addmsg(&g, m);
237    }
238  }
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 */
246CALLER_OWN owl_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=g_new(owl_message, 1);
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 */
267CALLER_OWN owl_message *owl_function_make_outgoing_loopback(const char *body)
268{
269  owl_message *m;
270
271  /* create the message */
272  m=g_new(owl_message, 1);
273  owl_message_create_loopback(m, body);
274  owl_message_set_direction_out(m);
275
276  return(m);
277}
278
279owl_editwin *owl_function_start_edit_win(const char *line)
280{
281  owl_editwin *e;
282  owl_context *ctx;
283  char *s;
284
285  /* create and setup the editwin */
286  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
287                                   owl_global_get_msg_history(&g));
288  owl_editwin_set_dotsend(e);
289  s = g_strdup_printf("----> %s\n", line);
290  owl_editwin_set_locktext(e, s);
291  g_free(s);
292
293  ctx = owl_editcontext_new(OWL_CTX_EDITMULTI, e, "editmulti",
294                            owl_global_deactivate_editcontext, &g);
295  owl_global_push_context_obj(&g, ctx);
296  return e;
297}
298
299static void owl_function_write_setup(const char *noun)
300{
301
302  if (!owl_global_get_lockout_ctrld(&g))
303    owl_function_makemsg("Type your %s below.  "
304                         "End with ^D or a dot on a line by itself."
305                         "  ^C will quit.", noun);
306  else
307    owl_function_makemsg("Type your %s below.  "
308                         "End with a dot on a line by itself.  ^C will quit.",
309                         noun);
310}
311
312void owl_function_zwrite_setup(owl_zwrite *z)
313{
314  owl_editwin *e;
315  /* send a ping if necessary */
316  if (owl_global_is_txping(&g)) {
317    owl_zwrite_send_ping(z);
318  }
319
320
321  owl_function_write_setup("zephyr");
322  e = owl_function_start_edit_win(z->zwriteline);
323  owl_editwin_set_cbdata(e, z, (void (*)(void *))owl_zwrite_delete);
324  owl_editwin_set_callback(e, &owl_callback_zwrite);
325}
326
327void owl_function_aimwrite_setup(const char *to)
328{
329  owl_editwin *e;
330  /* TODO: We probably actually want an owl_aimwrite object like
331   * owl_zwrite. */
332  char *line = g_strdup_printf("aimwrite %s", to);
333  owl_function_write_setup("message");
334  e = owl_function_start_edit_win(line);
335  owl_editwin_set_cbdata(e, g_strdup(to), g_free);
336  owl_editwin_set_callback(e, &owl_callback_aimwrite);
337  g_free(line);
338}
339
340void owl_function_loopwrite_setup(void)
341{
342  owl_editwin *e;
343  owl_function_write_setup("message");
344  e = owl_function_start_edit_win("loopwrite");
345  owl_editwin_set_callback(e, &owl_callback_loopwrite);
346}
347
348void owl_callback_zwrite(owl_editwin *e, bool success)
349{
350  if (!success) return;
351  owl_zwrite *z = owl_editwin_get_cbdata(e);
352  owl_function_zwrite(z, owl_editwin_get_text(e));
353}
354
355/* send, log and display outgoing zephyrs.  If 'msg' is NULL the
356 * message is expected to be set from the zwrite line itself
357 */
358#ifdef HAVE_LIBZEPHYR
359void owl_function_zwrite(owl_zwrite *z, const char *msg)
360{
361  int ret;
362
363  if(strcmp(z->cmd, "zcrypt") == 0) {
364    owl_function_zcrypt(z, msg);
365    return;
366  }
367
368  /* create the zwrite and send the message */
369  owl_zwrite_populate_zsig(z);
370  if (msg) {
371    owl_zwrite_set_message(z, msg);
372  }
373  ret = owl_zwrite_send_message(z);
374  if (ret != 0) {
375    owl_function_makemsg("Error sending zephyr: %s", error_message(ret));
376    return;
377  }
378  owl_function_makemsg("Waiting for ack...");
379
380  /* create the outgoing message */
381  owl_function_add_outgoing_zephyrs(z);
382}
383#else
384void owl_function_zwrite(owl_zwrite *z, const char *msg) {
385}
386#endif
387
388/* send, log and display outgoing zcrypt zephyrs.  If 'msg' is NULL
389 * the message is expected to be set from the zwrite line itself
390 */
391void owl_function_zcrypt(owl_zwrite *z, const char *msg)
392{
393  char *cryptmsg;
394  const char *argv[7];
395  char *zcrypt;
396  int rv, status;
397  char *old_msg;
398
399  /* create the zwrite and send the message */
400  owl_zwrite_populate_zsig(z);
401  if (msg) {
402    owl_zwrite_set_message(z, msg);
403  }
404  old_msg = g_strdup(owl_zwrite_get_message(z));
405
406  zcrypt = g_build_filename(owl_get_bindir(), "zcrypt", NULL);
407  argv[0] = zcrypt;
408  argv[1] = "-E";
409  argv[2] = "-c"; argv[3] = owl_zwrite_get_class(z);
410  argv[4] = "-i"; argv[5] = owl_zwrite_get_instance(z);
411  argv[6] = NULL;
412
413  rv = call_filter(argv, owl_zwrite_get_message(z), &cryptmsg, &status);
414
415  g_free(zcrypt);
416
417  if (rv || status) {
418    g_free(cryptmsg);
419    g_free(old_msg);
420    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
421    owl_function_beep();
422    return;
423  }
424
425  owl_zwrite_set_message_raw(z, cryptmsg);
426  owl_zwrite_set_opcode(z, "crypt");
427
428  owl_zwrite_send_message(z);
429  owl_function_makemsg("Waiting for ack...");
430
431  /* Create the outgoing message. Restore the un-crypted message for display. */
432  owl_zwrite_set_message_raw(z, old_msg);
433  owl_function_add_outgoing_zephyrs(z);
434
435  /* Clean up. */
436  g_free(cryptmsg);
437  g_free(old_msg);
438}
439
440void owl_callback_aimwrite(owl_editwin *e, bool success)
441{
442  if (!success) return;
443  char *to = owl_editwin_get_cbdata(e);
444  owl_function_aimwrite(to, owl_editwin_get_text(e), true);
445}
446
447void owl_function_aimwrite(const char *to, const char *msg, bool unwrap)
448{
449  int ret;
450  char *format_msg;
451  owl_message *m;
452
453  /* make a formatted copy of the message */
454  format_msg = g_strdup(msg);
455  if (unwrap)
456    owl_text_wordunwrap(format_msg);
457 
458  /* send the message */
459  ret=owl_aim_send_im(to, format_msg);
460  if (!ret) {
461    owl_function_makemsg("AIM message sent.");
462  } else {
463    owl_function_error("Could not send AIM message.");
464  }
465
466  /* create the outgoing message */
467  m=owl_function_make_outgoing_aim(msg, to);
468
469  if (m) {
470    owl_global_messagequeue_addmsg(&g, m);
471  } else {
472    owl_function_error("Could not create outgoing AIM message");
473  }
474
475  g_free(format_msg);
476}
477
478void owl_function_send_aimawymsg(const char *to, const char *msg)
479{
480  int ret;
481  char *format_msg;
482  owl_message *m;
483
484  /* make a formatted copy of the message */
485  format_msg=g_strdup(msg);
486  owl_text_wordunwrap(format_msg);
487 
488  /* send the message */
489  ret=owl_aim_send_awaymsg(to, format_msg);
490  if (!ret) {
491    /* owl_function_makemsg("AIM message sent."); */
492  } else {
493    owl_function_error("Could not send AIM message.");
494  }
495
496  /* create the message */
497  m=owl_function_make_outgoing_aim(msg, to);
498  if (m) {
499    owl_global_messagequeue_addmsg(&g, m);
500  } else {
501    owl_function_error("Could not create AIM message");
502  }
503  g_free(format_msg);
504}
505
506void owl_callback_loopwrite(owl_editwin *e, bool success)
507{
508  if (!success) return;
509  owl_function_loopwrite(owl_editwin_get_text(e));
510}
511
512void owl_function_loopwrite(const char *msg)
513{
514  owl_message *min, *mout;
515
516  /* create a message and put it on the message queue.  This simulates
517   * an incoming message */
518  min=g_new(owl_message, 1);
519  mout=owl_function_make_outgoing_loopback(msg);
520
521  if (owl_global_is_displayoutgoing(&g)) {
522    owl_global_messagequeue_addmsg(&g, mout);
523  } else {
524    owl_message_delete(mout);
525  }
526
527  owl_message_create_loopback(min, msg);
528  owl_message_set_direction_in(min);
529  owl_global_messagequeue_addmsg(&g, min);
530
531  /* fake a makemsg */
532  owl_function_makemsg("loopback message sent");
533}
534
535/* If filter is non-null, looks for the next message matching
536 * that filter.  If skip_deleted, skips any deleted messages.
537 * If last_if_none, will stop at the last message in the view
538 * if no matching messages are found.  */
539void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
540{
541  int curmsg, i, viewsize, found;
542  const owl_view *v;
543  const owl_filter *f = NULL;
544  const owl_message *m;
545
546  v=owl_global_get_current_view(&g);
547
548  if (filter) {
549    f=owl_global_get_filter(&g, filter);
550    if (!f) {
551      owl_function_error("No %s filter defined", filter);
552      return;
553    }
554  }
555
556  curmsg=owl_global_get_curmsg(&g);
557  viewsize=owl_view_get_size(v);
558  found=0;
559
560  /* just check to make sure we're in bounds... */
561  if (curmsg>viewsize-1) curmsg=viewsize-1;
562  if (curmsg<0) curmsg=0;
563
564  for (i=curmsg+1; i<viewsize; i++) {
565    m=owl_view_get_element(v, i);
566    if (skip_deleted && owl_message_is_delete(m)) continue;
567    if (f && !owl_filter_message_match(f, m)) continue;
568    found = 1;
569    break;
570  }
571
572  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
573  if (i<0) i=0;
574
575  if (!found) {
576    owl_function_makemsg("already at last%s message%s%s%s",
577                         skip_deleted?" non-deleted":"",
578                         filter?" in ":"", filter?filter:"",
579                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
580                         ", press Enter to scroll" : "");
581    /* if (!skip_deleted) owl_function_beep(); */
582  }
583
584  if (last_if_none || found) {
585    owl_global_set_curmsg(&g, i);
586    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
587    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
588    owl_global_set_direction_downwards(&g);
589  }
590}
591
592void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
593{
594  int curmsg, i, found;
595  const owl_view *v;
596  const owl_filter *f = NULL;
597  const owl_message *m;
598
599  v=owl_global_get_current_view(&g);
600
601  if (filter) {
602    f=owl_global_get_filter(&g, filter);
603    if (!f) {
604      owl_function_error("No %s filter defined", filter);
605      return;
606    }
607  }
608
609  curmsg=owl_global_get_curmsg(&g);
610  found=0;
611
612  /* just check to make sure we're in bounds... */
613  if (curmsg<0) curmsg=0;
614
615  for (i=curmsg-1; i>=0; i--) {
616    m=owl_view_get_element(v, i);
617    if (skip_deleted && owl_message_is_delete(m)) continue;
618    if (f && !owl_filter_message_match(f, m)) continue;
619    found = 1;
620    break;
621  }
622
623  if (i<0) i=0;
624
625  if (!found) {
626    owl_function_makemsg("already at first%s message%s%s",
627                         skip_deleted?" non-deleted":"",
628                         filter?" in ":"", filter?filter:"");
629    /* if (!skip_deleted) owl_function_beep(); */
630  }
631
632  if (first_if_none || found) {
633    owl_global_set_curmsg(&g, i);
634    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
635    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
636    owl_global_set_direction_upwards(&g);
637  }
638}
639
640void owl_function_nextmsg(void)
641{
642  owl_function_nextmsg_full(NULL, 0, 1);
643}
644
645void owl_function_prevmsg(void)
646{
647  owl_function_prevmsg_full(NULL, 0, 1);
648}
649
650void owl_function_nextmsg_notdeleted(void)
651{
652  owl_function_nextmsg_full(NULL, 1, 1);
653}
654
655void owl_function_prevmsg_notdeleted(void)
656{
657  owl_function_prevmsg_full(NULL, 1, 1);
658}
659
660void owl_function_delete_and_expunge_message(int n)
661{
662  owl_messagelist *ml = owl_global_get_msglist(&g);
663  owl_view *v = owl_global_get_current_view(&g);
664  int lastmsgid = owl_function_get_curmsg_id(v);
665
666  /* delete and expunge the message */
667  owl_messagelist_delete_and_expunge_element(ml, n);
668
669  owl_function_redisplay_to_nearest(lastmsgid, v);
670}
671
672void owl_function_delete_and_expunge_cur(bool exclaim_success)
673{
674  int curmsg;
675  const owl_view *v = owl_global_get_current_view(&g);
676
677  /* bail if there's no current message */
678  if (owl_view_get_size(v) < 1) {
679    owl_function_error("No current message to delete");
680    return;
681  }
682
683  /* delete the current message */
684  curmsg = owl_global_get_curmsg(&g);
685  owl_function_delete_and_expunge_message(curmsg);
686  if (exclaim_success)
687    owl_function_makemsg("Message deleted and expunged");
688}
689
690/* if move_after is 1, moves after the delete */
691void owl_function_deletecur(int move_after)
692{
693  int curmsg;
694  owl_view *v;
695
696  v=owl_global_get_current_view(&g);
697
698  /* bail if there's no current message */
699  if (owl_view_get_size(v) < 1) {
700    owl_function_error("No current message to delete");
701    return;
702  }
703
704  /* mark the message for deletion */
705  curmsg=owl_global_get_curmsg(&g);
706  owl_view_delete_element(v, curmsg);
707
708  if (move_after) {
709    /* move the poiner in the appropriate direction
710     * to the next undeleted msg */
711    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
712      owl_function_prevmsg_notdeleted();
713    } else {
714      owl_function_nextmsg_notdeleted();
715    }
716  }
717}
718
719void owl_function_undeletecur(int move_after)
720{
721  int curmsg;
722  owl_view *v;
723
724  v=owl_global_get_current_view(&g);
725 
726  if (owl_view_get_size(v) < 1) {
727    owl_function_error("No current message to undelete");
728    return;
729  }
730  curmsg=owl_global_get_curmsg(&g);
731
732  owl_view_undelete_element(v, curmsg);
733
734  if (move_after) {
735    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
736      if (curmsg>0) {
737        owl_function_prevmsg();
738      } else {
739        owl_function_nextmsg();
740      }
741    } else {
742      owl_function_nextmsg();
743    }
744  }
745
746  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
747}
748
749/* returns the current message id, if it exists.  Otherwise returns
750 * -1 if we are past the end of the message list, and 0 otherwise. */
751int owl_function_get_curmsg_id(const owl_view *v)
752{
753  int curmsg = owl_global_get_curmsg(&g);
754  const owl_message *m = owl_view_get_element(v, curmsg);
755  if (m)
756    return owl_message_get_id(m);
757  if (curmsg > 0) /* past the end of the message list (probably) */
758    return -1;
759  return 0;
760}
761
762/* redisplays the view to the nearest message to the id given.
763 * if msgid < 0, redisplay to past the end of the message list */
764void owl_function_redisplay_to_nearest(int msgid, owl_view *v)
765{
766  int curmsg;
767  /* update all views (we only have one right now) */
768  owl_view_recalculate(v);
769
770  /* find where the new position should be */
771  if (msgid < 0) {
772    /* If already at the end, blank the screen and move curmsg
773     * past the end of the messages. */
774    curmsg = owl_view_get_size(v);
775    owl_global_set_topmsg(&g, curmsg);
776    owl_global_set_curmsg(&g, curmsg);
777  } else {
778    curmsg = owl_view_get_nearest_to_msgid(v, msgid);
779    if (curmsg > owl_view_get_size(v) - 1)
780      curmsg = owl_view_get_size(v) - 1;
781    if (curmsg < 0)
782      curmsg = 0;
783    owl_global_set_curmsg(&g, curmsg);
784    owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
785  }
786  /* if there are no messages set the direction to down in case we
787   * delete everything upwards */
788  owl_global_set_direction_downwards(&g);
789
790  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
791}
792
793void owl_function_expunge(void)
794{
795  owl_messagelist *ml = owl_global_get_msglist(&g);
796  owl_view *v = owl_global_get_current_view(&g);
797  int lastmsgid = owl_function_get_curmsg_id(v);
798
799  /* expunge the message list */
800  owl_messagelist_expunge(ml);
801
802  owl_function_redisplay_to_nearest(lastmsgid, v);
803 
804  owl_function_makemsg("Messages expunged");
805}
806
807void owl_function_firstmsg(void)
808{
809  owl_global_set_curmsg(&g, 0);
810  owl_global_set_topmsg(&g, 0);
811  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
812  owl_global_set_direction_downwards(&g);
813}
814
815void owl_function_lastmsg(void)
816{
817  int oldcurmsg, curmsg;
818  const owl_view *v;
819
820  v=owl_global_get_current_view(&g);
821  oldcurmsg=owl_global_get_curmsg(&g);
822  curmsg=owl_view_get_size(v)-1; 
823  if (curmsg<0) curmsg=0;
824  owl_global_set_curmsg(&g, curmsg);
825  if (oldcurmsg < curmsg) {
826    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
827  } else if (curmsg<owl_view_get_size(v)) {
828    /* If already at the end, blank the screen and move curmsg
829     * past the end of the messages. */
830    owl_global_set_topmsg(&g, curmsg+1);
831    owl_global_set_curmsg(&g, curmsg+1);
832  } 
833  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
834  owl_global_set_direction_downwards(&g);
835}
836
837void owl_function_shift_right(void)
838{
839  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
840}
841
842void owl_function_shift_left(void)
843{
844  int shift;
845
846  shift=owl_global_get_rightshift(&g);
847  if (shift > 0) {
848    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
849  } else {
850    owl_function_beep();
851    owl_function_makemsg("Already full left");
852  }
853}
854
855void owl_function_unsuball(void)
856{
857  if (unsuball())
858    owl_function_makemsg("Unsubscribed from all messages.");
859}
860
861
862/* Load zephyr subscriptions from the named 'file' and load zephyr's
863 * default subscriptions as well.  An error message is printed if
864 * 'file' can't be opened or if zephyr reports an error in
865 * subscribing.
866 *
867 * If 'file' is NULL, this look for the default filename
868 * $HOME/.zephyr.subs.  If the file can not be opened in this case
869 * only, no error message is printed.
870 */
871void owl_function_loadsubs(const char *file)
872{
873  int ret, ret2, ret3;
874  char *path;
875
876  if (file==NULL) {
877    ret=owl_zephyr_loadsubs(NULL, 0);
878  } else {
879    path = owl_util_makepath(file);
880    ret=owl_zephyr_loadsubs(path, 1);
881    g_free(path);
882  }
883
884  /* for backwards compatibility for now */
885  ret2 = owl_zephyr_loaddefaultsubs();
886  ret3 = owl_zephyr_loadbarnowldefaultsubs();
887
888  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
889
890  if (ret == 0 && ret2 == 0 && ret3 == 0) {
891    if (!file) {
892      owl_function_makemsg("Subscribed to messages.");
893    } else {
894      owl_function_makemsg("Subscribed to messages from %s", file);
895    }
896  } else if (ret == -1) {
897    owl_function_error("Could not read %s", file ? file : "file");
898  } else if (ret2 == -1) {
899    owl_function_error("Error subscribing to messages");
900  } else {
901    owl_function_error("Error subscribing to instanced personals");
902  }
903}
904
905void owl_function_loadloginsubs(const char *file)
906{
907  int ret;
908
909  ret=owl_zephyr_loadloginsubs(file);
910
911  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
912  if (ret==0) {
913  } else if (ret==-1) {
914    owl_function_error("Could not open file for login subscriptions.");
915  } else {
916    owl_function_error("Error subscribing to login messages from file.");
917  }
918}
919
920void owl_callback_aimlogin(owl_editwin *e, bool success)
921{
922  if (!success) return;
923  char *user = owl_editwin_get_cbdata(e);
924  owl_function_aimlogin(user,
925                        owl_editwin_get_text(e));
926}
927
928void owl_function_aimlogin(const char *user, const char *passwd) {
929  int ret;
930
931  /* clear the buddylist */
932  owl_buddylist_clear(owl_global_get_buddylist(&g));
933
934  /* try to login */
935  ret=owl_aim_login(user, passwd);
936  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
937}
938
939void owl_function_suspend(void)
940{
941  endwin();
942  printf("\n");
943  kill(getpid(), SIGSTOP);
944
945  /* resize to reinitialize all the windows when we come back */
946  owl_command_resize();
947}
948
949void owl_function_zaway_toggle(void)
950{
951  if (!owl_global_is_zaway(&g)) {
952    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
953    owl_function_zaway_on();
954  } else {
955    owl_function_zaway_off();
956  }
957}
958
959void owl_function_zaway_on(void)
960{
961  owl_global_set_zaway_on(&g);
962  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
963}
964
965void owl_function_zaway_off(void)
966{
967  owl_global_set_zaway_off(&g);
968  owl_function_makemsg("zaway off");
969}
970
971void owl_function_aaway_toggle(void)
972{
973  if (!owl_global_is_aaway(&g)) {
974    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
975    owl_function_aaway_on();
976  } else {
977    owl_function_aaway_off();
978  }
979}
980
981void owl_function_aaway_on(void)
982{
983  owl_global_set_aaway_on(&g);
984  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
985  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
986}
987
988void owl_function_aaway_off(void)
989{
990  owl_global_set_aaway_off(&g);
991  /* owl_aim_set_awaymsg(""); */
992  owl_function_makemsg("AIM away off");
993}
994
995bool owl_function_is_away(void)
996{
997  return owl_global_is_zaway(&g) ||
998         owl_global_is_aaway(&g) ||
999         owl_perlconfig_perl_call_bool("BarnOwl::Hooks::_get_is_away", 0, NULL);
1000}
1001
1002void owl_function_quit(void)
1003{
1004  char *ret;
1005 
1006  /* zlog out if we need to */
1007  if (owl_global_is_havezephyr(&g) &&
1008      owl_global_is_shutdownlogout(&g)) {
1009    owl_zephyr_zlog_out();
1010  }
1011
1012  /* execute the commands in shutdown */
1013  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
1014  g_free(ret);
1015
1016  /* signal our child process, if any */
1017  if (owl_global_get_newmsgproc_pid(&g)) {
1018    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
1019  }
1020 
1021  /* Quit AIM */
1022  if (owl_global_is_aimloggedin(&g)) {
1023    owl_aim_logout();
1024  }
1025
1026  owl_function_debugmsg("Quitting BarnOwl");
1027  owl_select_quit_loop();
1028}
1029
1030void owl_function_calculate_topmsg(int direction)
1031{
1032  int recwinlines, topmsg, curmsg;
1033  const owl_view *v;
1034
1035  v=owl_global_get_current_view(&g);
1036  curmsg=owl_global_get_curmsg(&g);
1037  topmsg=owl_global_get_topmsg(&g);
1038  recwinlines=owl_global_get_recwin_lines(&g);
1039
1040  /*
1041  if (owl_view_get_size(v) < 1) {
1042    return;
1043  }
1044  */
1045
1046  switch (owl_global_get_scrollmode(&g)) {
1047  case OWL_SCROLLMODE_TOP:
1048    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1049    break;
1050  case OWL_SCROLLMODE_NEARTOP:
1051    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1052    break;
1053  case OWL_SCROLLMODE_CENTER:
1054    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1055    break;
1056  case OWL_SCROLLMODE_PAGED:
1057    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1058    break;
1059  case OWL_SCROLLMODE_PAGEDCENTER:
1060    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1061    break;
1062  case OWL_SCROLLMODE_NORMAL:
1063  default:
1064    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1065  }
1066  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1067  owl_global_set_topmsg(&g, topmsg);
1068}
1069
1070/* Returns what the new topmsg should be. 
1071 * Passed the last direction of movement,
1072 * the current view,
1073 * the current message number in the view,
1074 * the top message currently being displayed,
1075 * and the number of lines in the recwin.
1076 */
1077int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1078{
1079  return(curmsg);
1080}
1081
1082int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1083{
1084  if (curmsg>0 
1085      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1086          <  recwinlines/2)) {
1087    return(curmsg-1);
1088  } else {
1089    return(curmsg);
1090  }
1091}
1092 
1093int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1094{
1095  int i, last, lines;
1096
1097  last = curmsg;
1098  lines = 0;
1099  for (i=curmsg-1; i>=0; i--) {
1100    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1101    if (lines > recwinlines/2) break;
1102    last = i;
1103  }
1104  return(last);
1105}
1106 
1107int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1108{
1109  int i, last, lines, savey;
1110 
1111  /* If we're off the top of the screen, scroll up such that the
1112   * curmsg is near the botton of the screen. */
1113  if (curmsg < topmsg) {
1114    last = curmsg;
1115    lines = 0;
1116    for (i=curmsg; i>=0; i--) {
1117      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1118      if (lines > recwinlines) break;
1119    last = i;
1120    }
1121    if (center_on_page) {
1122      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1123    } else {
1124      return(last);
1125    }
1126  }
1127
1128  /* Find number of lines from top to bottom of curmsg (store in savey) */
1129  savey=0;
1130  for (i=topmsg; i<=curmsg; i++) {
1131    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1132  }
1133
1134  /* if we're off the bottom of the screen, scroll down */
1135  if (savey > recwinlines) {
1136    if (center_on_page) {
1137      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1138    } else {
1139      return(curmsg);
1140    }
1141  }
1142
1143  /* else just stay as we are... */
1144  return(topmsg);
1145}
1146
1147int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1148{
1149  int savey, i, foo, y;
1150
1151  if (curmsg<0) return(topmsg);
1152   
1153  /* If we're off the top of the screen then center */
1154  if (curmsg<topmsg) {
1155    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1156  }
1157
1158  /* If curmsg is so far past topmsg that there are more messages than
1159     lines, skip the line counting that follows because we're
1160     certainly off screen.  */
1161  savey=curmsg-topmsg;
1162  if (savey <= recwinlines) {
1163    /* Find number of lines from top to bottom of curmsg (store in savey) */
1164    savey = 0;
1165    for (i=topmsg; i<=curmsg; i++) {
1166      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1167    }
1168  }
1169
1170  /* If we're off the bottom of the screen, set the topmsg to curmsg
1171   * and scroll upwards */
1172  if (savey > recwinlines) {
1173    topmsg=curmsg;
1174    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1175    direction=OWL_DIRECTION_UPWARDS;
1176  }
1177 
1178  /* If our bottom line is less than 1/4 down the screen then scroll up */
1179  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1180    if (savey < (recwinlines / 4)) {
1181      y=0;
1182      for (i=curmsg; i>=0; i--) {
1183        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1184        /* will we run the curmsg off the screen? */
1185        if ((foo+y) >= recwinlines) {
1186          i++;
1187          if (i>curmsg) i=curmsg;
1188          break;
1189        }
1190        /* have saved 1/2 the screen space? */
1191        y+=foo;
1192        if (y > (recwinlines / 2)) break;
1193      }
1194      if (i<0) i=0;
1195      return(i);
1196    }
1197  }
1198
1199  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1200    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1201    if (savey > ((recwinlines * 3)/4)) {
1202      y=0;
1203      /* count lines from the top until we can save 1/2 the screen size */
1204      for (i=topmsg; i<curmsg; i++) {
1205        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1206        if (y > (recwinlines / 2)) break;
1207      }
1208      if (i==curmsg) {
1209        i--;
1210      }
1211      return(i+1);
1212    }
1213  }
1214
1215  return(topmsg);
1216}
1217
1218void owl_function_resize(void)
1219{
1220  owl_global_set_resize_pending(&g);
1221}
1222
1223void G_GNUC_PRINTF(1, 2) owl_function_debugmsg(const char *fmt, ...)
1224{
1225  char *tmpbuff;
1226  FILE *file;
1227  time_t now;
1228  va_list ap;
1229  va_start(ap, fmt);
1230
1231  if (!owl_global_is_debug_fast(&g))
1232    return;
1233
1234  file = owl_global_get_debug_file_handle(&g);
1235  if (!file) /* XXX should report this */
1236    return;
1237
1238  now = time(NULL);
1239
1240  tmpbuff = owl_util_format_time(localtime(&now));
1241  fprintf(file, "[%d -  %s - %lds]: ",
1242          (int) getpid(), tmpbuff, now - owl_global_get_starttime(&g));
1243  g_free(tmpbuff);
1244  vfprintf(file, fmt, ap);
1245  putc('\n', file);
1246  fflush(file);
1247
1248  va_end(ap);
1249}
1250
1251void owl_function_beep(void)
1252{
1253  if (owl_global_is_bell(&g)) {
1254    beep();
1255  }
1256}
1257
1258int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1259{
1260  int ret;
1261
1262  ret=owl_zephyr_sub(class, inst, recip);
1263  if (ret) {
1264    owl_function_error("Error subscribing.");
1265  } else {
1266    owl_function_makemsg("Subscribed.");
1267  }
1268  return(ret);
1269}
1270
1271void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1272{
1273  int ret;
1274
1275  ret=owl_zephyr_unsub(class, inst, recip);
1276  if (ret) {
1277    owl_function_error("Error subscribing.");
1278  } else {
1279    owl_function_makemsg("Unsubscribed.");
1280  }
1281}
1282
1283static void _dirty_everything(gpointer data, gpointer user_data) {
1284  owl_window *w = data;
1285  if (!owl_window_is_realized(w))
1286    return;
1287  owl_window_dirty(w);
1288  owl_window_children_foreach(w, _dirty_everything, NULL);
1289}
1290
1291void owl_function_full_redisplay(void)
1292{
1293  /* Ask every widget to redraw itself. */
1294  _dirty_everything(owl_window_get_screen(), NULL);
1295  /* Force ncurses to redisplay everything. */
1296  clearok(stdscr, TRUE);
1297}
1298
1299void owl_function_popless_text(const char *text)
1300{
1301  owl_popwin *pw;
1302  owl_viewwin *v;
1303
1304  if (owl_global_get_popwin(&g) || owl_global_get_viewwin(&g)) {
1305    owl_function_error("Popwin already in use.");
1306    return;
1307  }
1308  pw = owl_popwin_new();
1309  owl_global_set_popwin(&g, pw);
1310  owl_popwin_up(pw);
1311
1312  v = owl_viewwin_new_text(owl_popwin_get_content(pw), text);
1313  owl_global_set_viewwin(&g, v);
1314
1315  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless", NULL);
1316}
1317
1318void owl_function_popless_fmtext(const owl_fmtext *fm)
1319{
1320  owl_popwin *pw;
1321  owl_viewwin *v;
1322
1323  if (owl_global_get_popwin(&g) || owl_global_get_viewwin(&g)) {
1324    owl_function_error("Popwin already in use.");
1325    return;
1326  }
1327  pw = owl_popwin_new();
1328  owl_global_set_popwin(&g, pw);
1329  owl_popwin_up(pw);
1330
1331  v = owl_viewwin_new_fmtext(owl_popwin_get_content(pw), fm);
1332  owl_global_set_viewwin(&g, v);
1333
1334  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless", NULL);
1335}
1336
1337void owl_function_popless_file(const char *filename)
1338{
1339  owl_fmtext fm;
1340  FILE *file;
1341  char *s = NULL;
1342
1343  file=fopen(filename, "r");
1344  if (!file) {
1345    owl_function_error("Could not open file: %s", filename);
1346    return;
1347  }
1348
1349  owl_fmtext_init_null(&fm);
1350  while (owl_getline(&s, file))
1351    owl_fmtext_append_normal(&fm, s);
1352  g_free(s);
1353
1354  owl_function_popless_fmtext(&fm);
1355  owl_fmtext_cleanup(&fm);
1356  fclose(file);
1357}
1358
1359void owl_function_about(void)
1360{
1361  owl_function_popless_text(
1362    "This is BarnOwl version " OWL_VERSION_STRING ".\n\n"
1363    "BarnOwl is a fork of the Owl zephyr client, written and\n"
1364    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1365    "Massachusetts Institute of Technology. \n"
1366    "\n"
1367    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1368    "released in March 2002.\n"
1369    "\n"
1370    "The name 'owl' was chosen in reference to the owls in the\n"
1371    "Harry Potter novels, who are tasked with carrying messages\n"
1372    "between Witches and Wizards. The name 'BarnOwl' was chosen\n"
1373    "because we feel our owls should live closer to our ponies.\n"
1374    "\n"
1375    "Copyright (c) 2006-2011 The BarnOwl Developers. All rights reserved.\n"
1376    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1377    "Copyright 2002 Massachusetts Institute of Technology\n"
1378    "\n"
1379    "This program is free software. You can redistribute it and/or\n"
1380    "modify under the terms of the Sleepycat License. Use the \n"
1381    "':show license' command to display the full license\n"
1382  );
1383}
1384
1385void owl_function_info(void)
1386{
1387  const owl_message *m;
1388  owl_fmtext fm, attrfm;
1389  const owl_view *v;
1390  char *time;
1391#ifdef HAVE_LIBZEPHYR
1392  const ZNotice_t *n;
1393#endif
1394
1395  owl_fmtext_init_null(&fm);
1396 
1397  v=owl_global_get_current_view(&g);
1398  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1399  if (!m || owl_view_get_size(v)==0) {
1400    owl_function_error("No message selected\n");
1401    return;
1402  }
1403
1404  owl_fmtext_append_bold(&fm, "General Information:\n");
1405  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1406
1407  owl_fmtext_append_normal(&fm, "  Type      : ");
1408  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1409  owl_fmtext_append_normal(&fm, "\n");
1410
1411  if (owl_message_is_direction_in(m)) {
1412    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1413  } else if (owl_message_is_direction_out(m)) {
1414    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1415  } else if (owl_message_is_direction_none(m)) {
1416    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1417  } else {
1418    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1419  }
1420
1421  time = owl_message_format_time(m);
1422  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", time);
1423  g_free(time);
1424
1425  if (!owl_message_is_type_admin(m)) {
1426    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1427    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1428  }
1429
1430  if (owl_message_is_type_zephyr(m)) {
1431    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1432   
1433    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1434    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1435    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1436#ifdef HAVE_LIBZEPHYR
1437    n = owl_message_get_notice(m);
1438    if (n != NULL) {
1439      char *tmpbuff, *tmpbuff2;
1440      int i, fields;
1441      const char *f;
1442
1443      if (!owl_message_is_pseudo(m)) {
1444        owl_fmtext_append_normal(&fm, "  Kind      : ");
1445        if (n->z_kind==UNSAFE) {
1446          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1447        } else if (n->z_kind==UNACKED) {
1448          owl_fmtext_append_normal(&fm, "UNACKED\n");
1449        } else if (n->z_kind==ACKED) {
1450          owl_fmtext_append_normal(&fm, "ACKED\n");
1451        } else if (n->z_kind==HMACK) {
1452          owl_fmtext_append_normal(&fm, "HMACK\n");
1453        } else if (n->z_kind==HMCTL) {
1454          owl_fmtext_append_normal(&fm, "HMCTL\n");
1455        } else if (n->z_kind==SERVACK) {
1456          owl_fmtext_append_normal(&fm, "SERVACK\n");
1457        } else if (n->z_kind==SERVNAK) {
1458          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1459        } else if (n->z_kind==CLIENTACK) {
1460          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1461        } else if (n->z_kind==STAT) {
1462          owl_fmtext_append_normal(&fm, "STAT\n");
1463        } else {
1464          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1465        }
1466      }
1467      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1468
1469      if (!owl_message_is_pseudo(m)) {
1470        owl_fmtext_append_normal(&fm, "\n");
1471        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1472        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1473
1474        /* FIXME make these more descriptive */
1475        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1476        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1477        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1478        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1479
1480        fields=owl_zephyr_get_num_fields(n);
1481        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1482
1483        for (i = 0, f = owl_zephyr_first_raw_field(n); f != NULL;
1484             i++, f = owl_zephyr_next_raw_field(n, f)) {
1485          tmpbuff = owl_zephyr_field_as_utf8(n, f);
1486          tmpbuff2 = owl_text_indent(tmpbuff, 14, false);
1487          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i + 1, tmpbuff2);
1488          g_free(tmpbuff2);
1489          g_free(tmpbuff);
1490        }
1491        tmpbuff = owl_text_indent(n->z_default_format, 14, false);
1492        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", tmpbuff);
1493        g_free(tmpbuff);
1494      }
1495
1496    }
1497#endif
1498  }
1499
1500  owl_fmtext_append_bold(&fm, "\nBarnOwl Message Attributes:\n");
1501  owl_message_attributes_tofmtext(m, &attrfm);
1502  owl_fmtext_append_fmtext(&fm, &attrfm);
1503 
1504  owl_function_popless_fmtext(&fm);
1505  owl_fmtext_cleanup(&fm);
1506  owl_fmtext_cleanup(&attrfm);
1507}
1508
1509/* print the current message in a popup window.
1510 * Use the 'default' style regardless of whatever
1511 * style the user may be using
1512 */
1513void owl_function_curmsg_to_popwin(void)
1514{
1515  const owl_view *v;
1516  const owl_message *m;
1517  const owl_style *s;
1518  owl_fmtext fm;
1519
1520  v=owl_global_get_current_view(&g);
1521  s=owl_global_get_style_by_name(&g, "default");
1522
1523  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1524
1525  if (!m || owl_view_get_size(v)==0) {
1526    owl_function_error("No current message");
1527    return;
1528  }
1529
1530  owl_fmtext_init_null(&fm);
1531  owl_style_get_formattext(s, &fm, m);
1532
1533  owl_function_popless_fmtext(&fm);
1534  owl_fmtext_cleanup(&fm);
1535}
1536
1537void owl_function_page_curmsg(int step)
1538{
1539  /* scroll down or up within the current message IF the message is truncated */
1540
1541  int offset, curmsg, lines;
1542  const owl_view *v;
1543  owl_message *m;
1544
1545  offset=owl_global_get_curmsg_vert_offset(&g);
1546  v=owl_global_get_current_view(&g);
1547  curmsg=owl_global_get_curmsg(&g);
1548  m=owl_view_get_element(v, curmsg);
1549  if (!m || owl_view_get_size(v)==0) return;
1550  lines=owl_message_get_numlines(m);
1551
1552  if (offset==0) {
1553    /* Bail if the curmsg isn't the last one displayed */
1554    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1555      owl_function_makemsg("The entire message is already displayed");
1556      return;
1557    }
1558   
1559    /* Bail if we're not truncated */
1560    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1561      owl_function_makemsg("The entire message is already displayed");
1562      return;
1563    }
1564  }
1565 
1566 
1567  /* don't scroll past the last line */
1568  if (step>0) {
1569    if (offset+step > lines-1) {
1570      owl_global_set_curmsg_vert_offset(&g, lines-1);
1571    } else {
1572      owl_global_set_curmsg_vert_offset(&g, offset+step);
1573    }
1574  }
1575
1576  /* would we be before the beginning of the message? */
1577  if (step<0) {
1578    if (offset+step<0) {
1579      owl_global_set_curmsg_vert_offset(&g, 0);
1580    } else {
1581      owl_global_set_curmsg_vert_offset(&g, offset+step);
1582    }
1583  }
1584 
1585  /* redisplay */
1586  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1587}
1588
1589void owl_function_resize_typwin(int newsize)
1590{
1591  owl_global_set_typwin_lines(&g, newsize);
1592  owl_mainpanel_layout_contents(&g.mainpanel);
1593}
1594
1595void owl_function_mainwin_pagedown(void)
1596{
1597  int i;
1598
1599  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1600  if (i<0) return;
1601  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1602      && (owl_global_get_curmsg(&g) < i)
1603      && (i>0)) {
1604    i--;
1605  }
1606  owl_global_set_curmsg(&g, i);
1607  owl_function_nextmsg();
1608}
1609
1610void owl_function_mainwin_pageup(void)
1611{
1612  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1613  owl_function_prevmsg();
1614}
1615
1616void owl_function_getsubs(void)
1617{
1618  char *buff;
1619
1620  buff=owl_zephyr_getsubs();
1621
1622  if (buff) {
1623    owl_function_popless_text(buff);
1624  } else {
1625    owl_function_popless_text("Error getting subscriptions");
1626  }
1627           
1628  g_free(buff);
1629}
1630
1631void owl_function_printallvars(void)
1632{
1633  const owl_variable *v;
1634  const char *name;
1635  char *var;
1636  GPtrArray *varnames;
1637  int i;
1638  GString *str   = g_string_new("");
1639
1640  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1641  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1642  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1643  for (i = 0; i < varnames->len; i++) {
1644    name = varnames->pdata[i];
1645    if (name && name[0]!='_') {
1646      g_string_append_printf(str, "\n%-20s = ", name);
1647      v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1648      var = owl_variable_get_tostring(v);
1649      if (var) {
1650        g_string_append(str, var);
1651        g_free(var);
1652      } else {
1653        g_string_append(str, "<null>");
1654      }
1655    }
1656  }
1657  g_string_append(str, "\n");
1658  owl_ptr_array_free(varnames, g_free);
1659
1660  owl_function_popless_text(str->str);
1661  g_string_free(str, true);
1662}
1663
1664void owl_function_show_variables(void)
1665{
1666  const owl_variable *v;
1667  GPtrArray *varnames;
1668  owl_fmtext fm; 
1669  int i;
1670  const char *varname;
1671
1672  owl_fmtext_init_null(&fm);
1673  owl_fmtext_append_bold(&fm, 
1674      "Variables: (use 'show variable <name>' for details)\n");
1675  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1676  for (i = 0; i < varnames->len; i++) {
1677    varname = varnames->pdata[i];
1678    if (varname && varname[0]!='_') {
1679      v = owl_variable_get_var(owl_global_get_vardict(&g), varname);
1680      owl_variable_describe(v, &fm);
1681    }
1682  }
1683  owl_ptr_array_free(varnames, g_free);
1684  owl_function_popless_fmtext(&fm);
1685  owl_fmtext_cleanup(&fm);
1686}
1687
1688void owl_function_show_variable(const char *name)
1689{
1690  const owl_variable *v;
1691  owl_fmtext fm; 
1692
1693  owl_fmtext_init_null(&fm);
1694  v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1695  if (v)
1696    owl_variable_get_help(v, &fm);
1697  else
1698    owl_fmtext_append_normal(&fm, "No such variable...\n");
1699  owl_function_popless_fmtext(&fm);
1700  owl_fmtext_cleanup(&fm);
1701}
1702
1703void owl_function_delete_and_expunge_by_id(int id, bool exclaim_success)
1704{
1705  const owl_messagelist *ml = owl_global_get_msglist(&g);
1706  int msg = owl_messagelist_get_index_by_id(ml, id);
1707  if (msg < 0) {
1708    owl_function_error("No message with id %d: unable to delete", id);
1709  } else {
1710    owl_function_delete_and_expunge_message(msg);
1711    if (exclaim_success)
1712      owl_function_makemsg("Message deleted and expunged");
1713  }
1714}
1715
1716/* note: this applies to global message list, not to view.
1717 * If flag is 1, deletes.  If flag is 0, undeletes. */
1718void owl_function_delete_by_id(int id, int flag)
1719{
1720  const owl_messagelist *ml;
1721  owl_message *m;
1722  ml = owl_global_get_msglist(&g);
1723  m = owl_messagelist_get_by_id(ml, id);
1724  if (m) {
1725    if (flag == 1) {
1726      owl_message_mark_delete(m);
1727    } else if (flag == 0) {
1728      owl_message_unmark_delete(m);
1729    }
1730    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1731  } else {
1732    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1733  }
1734}
1735
1736void owl_function_delete_automsgs(void)
1737{
1738  /* mark for deletion all messages in the current view that match the
1739   * 'trash' filter */
1740
1741  int i, j, count;
1742  owl_message *m;
1743  const owl_view *v;
1744  const owl_filter *f;
1745
1746  /* get the trash filter */
1747  f=owl_global_get_filter(&g, "trash");
1748  if (!f) {
1749    owl_function_error("No trash filter defined");
1750    return;
1751  }
1752
1753  v=owl_global_get_current_view(&g);
1754
1755  count=0;
1756  j=owl_view_get_size(v);
1757  for (i=0; i<j; i++) {
1758    m=owl_view_get_element(v, i);
1759    if (owl_filter_message_match(f, m)) {
1760      count++;
1761      owl_message_mark_delete(m);
1762    }
1763  }
1764  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1765  owl_function_makemsg("%i messages marked for deletion", count);
1766}
1767
1768void owl_function_status(void)
1769{
1770  char *tmpbuff;
1771  char buff[MAXPATHLEN+1];
1772  time_t start;
1773  int up, days, hours, minutes;
1774  owl_fmtext fm;
1775
1776  owl_fmtext_init_null(&fm);
1777
1778  start=owl_global_get_starttime(&g);
1779
1780  owl_fmtext_append_normal(&fm, "General Information:\n");
1781
1782  owl_fmtext_append_normal(&fm, "  Version: ");
1783  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1784  owl_fmtext_append_normal(&fm, "\n");
1785
1786  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1787  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1788  owl_fmtext_append_normal(&fm, "\n");
1789
1790  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1791  if(getcwd(buff, MAXPATHLEN) == NULL) {
1792    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1793  } else {
1794    owl_fmtext_append_normal(&fm, buff);
1795  }
1796  owl_fmtext_append_normal(&fm, "\n");
1797
1798  tmpbuff = owl_util_format_time(localtime(&start));
1799  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s\n", tmpbuff);
1800  g_free(tmpbuff);
1801
1802  up=owl_global_get_runtime(&g);
1803  days=up/86400;
1804  up-=days*86400;
1805  hours=up/3600;
1806  up-=hours*3600;
1807  minutes=up/60;
1808  up-=minutes*60;
1809  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1810
1811  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1812  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1813  if (owl_global_is_havezephyr(&g)) {
1814    owl_fmtext_append_normal(&fm, "yes\n");
1815  } else {
1816    owl_fmtext_append_normal(&fm, "no\n");
1817  }
1818  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1819  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1820
1821
1822  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1823  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1824#if OWL_STDERR_REDIR
1825  owl_fmtext_append_normal(&fm, "yes\n");
1826#else
1827  owl_fmtext_append_normal(&fm, "no\n");
1828#endif
1829 
1830
1831  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1832  owl_fmtext_append_normal(&fm, "  Logged in: ");
1833  if (owl_global_is_aimloggedin(&g)) {
1834    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1835    owl_fmtext_append_normal(&fm, "\n");
1836  } else {
1837    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1838  }
1839
1840  owl_fmtext_append_normal(&fm, "  Processing events: ");
1841  if (owl_global_is_doaimevents(&g)) {
1842    owl_fmtext_append_normal(&fm, "yes\n");
1843  } else {
1844    owl_fmtext_append_normal(&fm, "no\n");
1845  }
1846
1847  owl_function_popless_fmtext(&fm);
1848  owl_fmtext_cleanup(&fm);
1849}
1850
1851void owl_function_show_term(void)
1852{
1853  owl_fmtext fm;
1854
1855  owl_fmtext_init_null(&fm);
1856  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1857          owl_global_get_lines(&g),
1858          owl_global_get_cols(&g));
1859
1860  if (has_colors()) {
1861    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1862    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_util_get_colorpairs());
1863    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1864  } else {
1865    owl_fmtext_append_normal(&fm, "Color: No\n");
1866  }
1867
1868  owl_function_popless_fmtext(&fm);
1869  owl_fmtext_cleanup(&fm);
1870}
1871
1872/* if type = 0 then normal reply.
1873 * if type = 1 then it's a reply to sender
1874 * if enter = 0 then allow the command to be edited
1875 * if enter = 1 then don't wait for editing
1876 */
1877void owl_function_reply(int type, int enter)
1878{
1879  char *buff=NULL;
1880  const owl_message *m;
1881  const owl_filter *f;
1882 
1883  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1884    owl_function_error("No message selected");
1885  } else {
1886    char *cmd;
1887   
1888    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1889    if (!m) {
1890      owl_function_error("No message selected");
1891      return;
1892    }
1893
1894    /* first check if we catch the reply-lockout filter */
1895    f=owl_global_get_filter(&g, "reply-lockout");
1896    if (f) {
1897      if (owl_filter_message_match(f, m)) {
1898        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1899        return;
1900      }
1901    }
1902
1903    /* then check if it's a question and just bring up the command prompt */
1904    if (owl_message_is_question(m)) {
1905      owl_function_start_command("");
1906      return;
1907    }
1908
1909    if((type == 0 &&
1910        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1911       (type == 1 &&
1912        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1913      buff = cmd;
1914    }
1915
1916    if(!buff) {
1917        owl_function_error("I don't know how to reply to that message.");
1918        return;
1919    }
1920
1921    if (enter) {
1922      owl_history *hist = owl_global_get_cmd_history(&g);
1923      owl_history_store(hist, buff, false);
1924      owl_function_command_norv(buff);
1925    } else {
1926      owl_function_start_command(buff);
1927    }
1928    g_free(buff);
1929  }
1930}
1931
1932void owl_function_zlocate(int argc, const char *const *argv, int auth)
1933{
1934  owl_fmtext fm;
1935  char *ptr;
1936  char *result;
1937  int i;
1938
1939  owl_fmtext_init_null(&fm);
1940
1941  for (i=0; i<argc; i++) {
1942    ptr = long_zuser(argv[i]);
1943    result = owl_zephyr_zlocate(ptr, auth);
1944    owl_fmtext_append_normal(&fm, result);
1945    g_free(result);
1946    g_free(ptr);
1947  }
1948
1949  owl_function_popless_fmtext(&fm);
1950  owl_fmtext_cleanup(&fm);
1951}
1952
1953void owl_callback_command(owl_editwin *e, bool success)
1954{
1955  if (!success) return;
1956  char *rv;
1957  const char *line = owl_editwin_get_text(e);
1958
1959  rv = owl_function_command(line);
1960   if (rv) {
1961    owl_function_makemsg("%s", rv);
1962    g_free(rv);
1963  }
1964}
1965
1966owl_editwin *owl_function_start_command(const char *line)
1967{
1968  owl_editwin *tw;
1969  owl_context *ctx;
1970
1971  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1972
1973  owl_editwin_set_locktext(tw, "command: ");
1974
1975  owl_editwin_insert_string(tw, line);
1976
1977  ctx = owl_editcontext_new(OWL_CTX_EDITLINE, tw, "editline",
1978                            owl_global_deactivate_editcontext, &g);
1979  owl_global_push_context_obj(&g, ctx);
1980  owl_editwin_set_callback(tw, owl_callback_command);
1981  return tw;
1982}
1983
1984owl_editwin *owl_function_start_question(const char *line)
1985{
1986  owl_editwin *tw;
1987  owl_context *ctx;
1988
1989  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1990
1991  owl_editwin_set_locktext(tw, line);
1992
1993  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
1994                            owl_global_deactivate_editcontext, &g);
1995  owl_global_push_context_obj(&g, ctx);
1996  return tw;
1997}
1998
1999owl_editwin *owl_function_start_password(const char *line)
2000{
2001  owl_editwin *tw;
2002  owl_context *ctx;
2003
2004  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
2005
2006  owl_editwin_set_echochar(tw, '*');
2007
2008  owl_editwin_set_locktext(tw, line);
2009
2010  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
2011                            owl_global_deactivate_editcontext, &g);
2012  owl_global_push_context_obj(&g, ctx);
2013  return tw;
2014}
2015
2016CALLER_OWN char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
2017{
2018  /* if type == 1 display in a popup
2019   * if type == 2 display an admin messages
2020   * if type == 0 return output
2021   * else display in a popup
2022   */
2023  const char *redirect = " 2>&1 < /dev/null";
2024  char *newbuff;
2025  char *out;
2026  FILE *p;
2027
2028#if OWL_STDERR_REDIR
2029  redirect = " < /dev/null";
2030#endif
2031
2032  if (argc<2) {
2033    owl_function_error("Wrong number of arguments to the exec command");
2034    return NULL;
2035  }
2036
2037  buff = skiptokens(buff, 1);
2038  newbuff = g_strdup_printf("exec%s; %s", redirect, buff);
2039
2040  if (type == OWL_OUTPUT_POPUP) {
2041    owl_popexec_new(newbuff);
2042  } else {
2043    p = popen(newbuff, "r");
2044    out = owl_slurp(p);
2045    pclose(p);
2046   
2047    if (type == OWL_OUTPUT_RETURN) {
2048      g_free(newbuff);
2049      return out;
2050    } else if (type == OWL_OUTPUT_ADMINMSG) {
2051      owl_function_adminmsg(buff, out);
2052    }
2053    g_free(out);
2054  }
2055  g_free(newbuff);
2056  return NULL;
2057}
2058
2059CALLER_OWN char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2060{
2061  /* if type == 1 display in a popup
2062   * if type == 2 display an admin messages
2063   * if type == 0 return output
2064   * else display in a popup
2065   */
2066  char *perlout;
2067
2068  if (argc<2) {
2069    owl_function_error("Wrong number of arguments to perl command");
2070    return NULL;
2071  }
2072
2073  /* consume first token (argv[0]) */
2074  buff = skiptokens(buff, 1);
2075
2076  perlout = owl_perlconfig_execute(buff);
2077  if (perlout) { 
2078    if (type == OWL_OUTPUT_POPUP) {
2079      owl_function_popless_text(perlout);
2080    } else if (type == OWL_OUTPUT_ADMINMSG) {
2081      owl_function_adminmsg(buff, perlout);
2082    } else if (type == OWL_OUTPUT_RETURN) {
2083      return perlout;
2084    }
2085    g_free(perlout);
2086  }
2087  return NULL;
2088}
2089
2090/* Change the filter associated with the current view.
2091 * This also figures out which message in the new filter
2092 * should have the pointer.
2093 */
2094void owl_function_change_currentview_filter(const char *filtname)
2095{
2096  owl_view *v;
2097  owl_filter *f;
2098  int curid=-1, newpos, curmsg;
2099  const owl_message *curm=NULL;
2100
2101  v=owl_global_get_current_view(&g);
2102
2103  curmsg=owl_global_get_curmsg(&g);
2104  if (curmsg==-1) {
2105    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2106  } else {
2107    curm=owl_view_get_element(v, curmsg);
2108    if (curm) {
2109      curid=owl_message_get_id(curm);
2110      owl_view_save_curmsgid(v, curid);
2111    }
2112  }
2113
2114  f=owl_global_get_filter(&g, filtname);
2115  if (!f) {
2116    owl_function_error("Unknown filter %s", filtname);
2117    return;
2118  }
2119
2120  owl_view_new_filter(v, f);
2121
2122  /* Figure out what to set the current message to.
2123   * - If the view we're leaving has messages in it, go to the closest message
2124   *   to the last message pointed to in that view.
2125   * - If the view we're leaving is empty, try to restore the position
2126   *   from the last time we were in the new view.  */
2127  if (curm) {
2128    newpos = owl_view_get_nearest_to_msgid(v, curid);
2129  } else {
2130    newpos = owl_view_get_nearest_to_saved(v);
2131  }
2132
2133  owl_global_set_curmsg(&g, newpos);
2134  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2135  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2136  owl_global_set_direction_downwards(&g);
2137}
2138
2139/* Create a new filter, or replace an existing one
2140 * with a new definition. Returns true on success.
2141 */
2142bool owl_function_create_filter(int argc, const char *const *argv)
2143{
2144  owl_filter *f;
2145  const owl_view *v;
2146  int inuse = 0;
2147
2148  if (argc < 2) {
2149    owl_function_error("Wrong number of arguments to filter command");
2150    return false;
2151  }
2152
2153  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2154
2155  v=owl_global_get_current_view(&g);
2156
2157  /* don't touch the all filter */
2158  if (!strcmp(argv[1], "all")) {
2159    owl_function_error("You may not change the 'all' filter.");
2160    return false;
2161  }
2162
2163  /* deal with the case of trying change the filter color */
2164  if (argc==4 && !strcmp(argv[2], "-c")) {
2165    f=owl_global_get_filter(&g, argv[1]);
2166    if (!f) {
2167      owl_function_error("The filter '%s' does not exist.", argv[1]);
2168      return false;
2169    }
2170    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2171      owl_function_error("The color '%s' is not available.", argv[3]);
2172      return false;
2173    }
2174    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2175    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2176    return false;
2177  }
2178  if (argc==4 && !strcmp(argv[2], "-b")) {
2179    f=owl_global_get_filter(&g, argv[1]);
2180    if (!f) {
2181      owl_function_error("The filter '%s' does not exist.", argv[1]);
2182      return false;
2183    }
2184    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2185      owl_function_error("The color '%s' is not available.", argv[3]);
2186      return false;
2187    }
2188    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2189    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2190    return true;
2191  }
2192
2193  /* create the filter and check for errors */
2194  f = owl_filter_new(argv[1], argc-2, argv+2);
2195  if (f == NULL) {
2196    owl_function_error("Invalid filter: %s", argv[1]);
2197    return false;
2198  }
2199
2200  /* if the named filter is in use by the current view, remember it */
2201  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2202    inuse=1;
2203  }
2204
2205  /* if the named filter already exists, nuke it */
2206  if (owl_global_get_filter(&g, argv[1])) {
2207    owl_global_remove_filter(&g, argv[1]);
2208  }
2209
2210  /* add the filter */
2211  owl_global_add_filter(&g, f);
2212
2213  /* if it was in use by the current view then update */
2214  if (inuse) {
2215    owl_function_change_currentview_filter(argv[1]);
2216  }
2217  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2218  return true;
2219}
2220
2221/* If 'filtername' does not start with 'not-' create a filter named
2222 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2223 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2224 * 'filtername' begins with 'not-' and a filter 'filtername' already
2225 * exists, then do nothing.  If the filter 'filtername' does not
2226 * exist, create it and define it as 'not filter <filtername>'
2227 *
2228 * Returns the name of the negated filter, which the caller must free.
2229 */
2230CALLER_OWN char *owl_function_create_negative_filter(const char *filtername)
2231{
2232  char *newname;
2233  const owl_filter *tmpfilt;
2234  const char *argv[5];
2235
2236  owl_function_debugmsg("owl_function_create_negative_filter");
2237 
2238  if (!strncmp(filtername, "not-", 4)) {
2239    newname=g_strdup(filtername+4);
2240  } else {
2241    newname=g_strdup_printf("not-%s", filtername);
2242  }
2243
2244  tmpfilt=owl_global_get_filter(&g, newname);
2245  if (!tmpfilt) {
2246    argv[0]="filter"; /* anything is fine here */
2247    argv[1]=newname;
2248    argv[2]="not";
2249    argv[3]="filter";
2250    argv[4]=filtername;
2251    owl_function_create_filter(5, argv);
2252  }
2253
2254  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2255  return(newname);
2256}
2257
2258void owl_function_show_filters(void)
2259{
2260  const owl_filter *f;
2261  GList *fl;
2262  owl_fmtext fm;
2263
2264  owl_fmtext_init_null(&fm);
2265
2266  owl_fmtext_append_bold(&fm, "Filters:\n");
2267
2268  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2269    f = fl->data;
2270    owl_fmtext_append_normal(&fm, "   ");
2271    owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f),
2272                                   owl_filter_get_fgcolor(f),
2273                                   owl_filter_get_bgcolor(f));
2274    owl_fmtext_append_normal(&fm, "\n");
2275  }
2276  owl_function_popless_fmtext(&fm);
2277  owl_fmtext_cleanup(&fm);
2278}
2279
2280void owl_function_show_filter(const char *name)
2281{
2282  const owl_filter *f;
2283  char *buff, *tmp;
2284
2285  f=owl_global_get_filter(&g, name);
2286  if (!f) {
2287    owl_function_error("There is no filter named %s", name);
2288    return;
2289  }
2290  tmp = owl_filter_print(f);
2291  buff = g_strdup_printf("%s: %s", owl_filter_get_name(f), tmp);
2292  owl_function_popless_text(buff);
2293  g_free(buff);
2294  g_free(tmp);
2295}
2296
2297void owl_function_show_zpunts(void)
2298{
2299  const owl_filter *f;
2300  const GPtrArray *fl;
2301  char *tmp;
2302  owl_fmtext fm;
2303  int i;
2304
2305  owl_fmtext_init_null(&fm);
2306
2307  fl=owl_global_get_puntlist(&g);
2308  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2309
2310  for (i = 0; i < fl->len; i++) {
2311    f = fl->pdata[i];
2312    owl_fmtext_appendf_normal(&fm, "[% 2d] ", i+1);
2313    tmp = owl_filter_print(f);
2314    owl_fmtext_append_normal(&fm, tmp);
2315    g_free(tmp);
2316  }
2317  owl_function_popless_fmtext(&fm);
2318  owl_fmtext_cleanup(&fm);
2319}
2320
2321/* Create a filter for a class, instance if one doesn't exist.  If
2322 * instance is NULL then catch all messgaes in the class.  Returns the
2323 * name of the filter or null.  The caller must free this name.
2324 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2325 */
2326CALLER_OWN char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2327{
2328  owl_filter *f;
2329  char *filtname;
2330  char *tmpclass, *tmpinstance = NULL;
2331  char *class, *instance = NULL;
2332  GString *buf;
2333
2334  if (related) {
2335    class = owl_util_baseclass(c);
2336    if (i) {
2337      instance = owl_util_baseclass(i);
2338    }
2339  } else {
2340    class = g_strdup(c);
2341    if (i) {
2342      instance = g_strdup(i);
2343    }
2344  }
2345
2346  /* name for the filter */
2347  if (!instance) {
2348    filtname = g_strdup_printf("%sclass-%s", related ? "related-" : "", class);
2349  } else {
2350    filtname = g_strdup_printf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2351  }
2352  /* downcase it */
2353  {
2354    char *temp = g_utf8_strdown(filtname, -1);
2355    if (temp) {
2356      g_free(filtname);
2357      filtname = temp;
2358    }
2359  }
2360 
2361  /* if it already exists then go with it.  This lets users override */
2362  if (owl_global_get_filter(&g, filtname)) {
2363    goto done;
2364  }
2365
2366  /* create the new filter */
2367  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2368  if (instance) {
2369    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2370  }
2371
2372  buf = g_string_new("");
2373  owl_string_appendf_quoted(buf,
2374                            related ? "class ^(un)*%q(\\.d)*$" : "class ^%q$",
2375                            tmpclass);
2376
2377  if (tmpinstance) {
2378    owl_string_appendf_quoted(buf,
2379                              related ?
2380                              " and ( instance ^(un)*%q(\\.d)*$ )" :
2381                              " and instance ^%q$",
2382                              tmpinstance);
2383  }
2384  g_free(tmpclass);
2385  g_free(tmpinstance);
2386
2387  f = owl_filter_new_fromstring(filtname, buf->str);
2388  g_string_free(buf, true);
2389  if (f == NULL) {
2390    /* Couldn't make a filter for some reason. Return NULL. */
2391    owl_function_error("Error creating filter '%s'", filtname);
2392    g_free(filtname);
2393    filtname = NULL;
2394    goto done;
2395  }
2396
2397  /* add it to the global list */
2398  owl_global_add_filter(&g, f);
2399
2400done:
2401  g_free(class);
2402  g_free(instance);
2403  return(filtname);
2404}
2405
2406/* Create a filter for personal zephyrs to or from the specified
2407 * zephyr user.  Includes login/logout notifications for the user.
2408 * The name of the filter will be 'user-<shortuser>'.  If a filter already
2409 * exists with this name, no new filter will be created.  This allows
2410 * the configuration to override this function.  Returns the name of
2411 * the filter, which the caller must free.
2412 */
2413CALLER_OWN char *owl_function_zuserfilt(const char *longuser)
2414{
2415  owl_filter *f;
2416  char *argbuff, *esclonguser, *shortuser, *filtname;
2417
2418  /* name for the filter */
2419  shortuser = short_zuser(longuser);
2420  filtname = g_strdup_printf("user-%s", shortuser);
2421  g_free(shortuser);
2422
2423  /* if it already exists then go with it.  This lets users override */
2424  if (owl_global_get_filter(&g, filtname)) {
2425    return filtname;
2426  }
2427
2428  /* create the new-internal filter */
2429  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2430
2431  argbuff=owl_string_build_quoted("( type ^zephyr$ and filter personal and "
2432      "( ( direction ^in$ and sender ^%q$ ) or ( direction ^out$ and "
2433      "recipient ^%q$ ) ) ) or ( ( class ^login$ ) and ( sender ^%q$ ) )",
2434      esclonguser, esclonguser, esclonguser);
2435  g_free(esclonguser);
2436
2437  f = owl_filter_new_fromstring(filtname, argbuff);
2438  g_free(argbuff);
2439
2440  if (f == NULL) {
2441    /* Couldn't make a filter for some reason. Return NULL. */
2442    owl_function_error("Error creating filter '%s'", filtname);
2443    g_free(filtname);
2444    return NULL;
2445  }
2446
2447  /* add it to the global list */
2448  owl_global_add_filter(&g, f);
2449
2450  return(filtname);
2451}
2452
2453/* Create a filter for AIM IM messages to or from the specified
2454 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2455 * filter already exists with this name, no new filter will be
2456 * created.  This allows the configuration to override this function.
2457 * Returns the name of the filter, which the caller must free.
2458 */
2459CALLER_OWN char *owl_function_aimuserfilt(const char *user)
2460{
2461  owl_filter *f;
2462  char *argbuff, *filtname;
2463  char *escuser;
2464
2465  /* name for the filter */
2466  filtname=g_strdup_printf("aimuser-%s", user);
2467
2468  /* if it already exists then go with it.  This lets users override */
2469  if (owl_global_get_filter(&g, filtname)) {
2470    return filtname;
2471  }
2472
2473  /* create the new-internal filter */
2474  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2475
2476  argbuff = g_strdup_printf(
2477      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2478      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2479      escuser, owl_global_get_aim_screenname_for_filters(&g));
2480  g_free(escuser);
2481
2482  f = owl_filter_new_fromstring(filtname, argbuff);
2483  g_free(argbuff);
2484
2485  if (f == NULL) {
2486    owl_function_error("Error creating filter '%s'", filtname);
2487    g_free(filtname);
2488    return NULL;
2489  }
2490
2491  /* add it to the global list */
2492  owl_global_add_filter(&g, f);
2493
2494  return(filtname);
2495}
2496
2497CALLER_OWN char *owl_function_typefilt(const char *type)
2498{
2499  owl_filter *f;
2500  char *argbuff, *filtname, *esctype;
2501
2502  /* name for the filter */
2503  filtname=g_strdup_printf("type-%s", type);
2504
2505  /* if it already exists then go with it.  This lets users override */
2506  if (owl_global_get_filter(&g, filtname)) {
2507    return filtname;
2508  }
2509
2510  /* create the new-internal filter */
2511  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2512
2513  argbuff = owl_string_build_quoted("type ^%q$", esctype);
2514  g_free(esctype);
2515
2516  f = owl_filter_new_fromstring(filtname, argbuff);
2517  g_free(argbuff);
2518
2519  if (f == NULL) {
2520    owl_function_error("Error creating filter '%s'", filtname);
2521    g_free(filtname);
2522    return NULL;
2523  }
2524
2525  /* add it to the global list */
2526  owl_global_add_filter(&g, f);
2527
2528  return filtname;
2529}
2530
2531/* If flag is 1, marks for deletion.  If flag is 0,
2532 * unmarks for deletion. */
2533void owl_function_delete_curview_msgs(int flag)
2534{
2535  const owl_view *v;
2536  int i, j;
2537
2538  v=owl_global_get_current_view(&g);
2539  j=owl_view_get_size(v);
2540  for (i=0; i<j; i++) {
2541    if (flag == 1) {
2542      owl_message_mark_delete(owl_view_get_element(v, i));
2543    } else if (flag == 0) {
2544      owl_message_unmark_delete(owl_view_get_element(v, i));
2545    }
2546  }
2547
2548  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2549
2550  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2551}
2552
2553static CALLER_OWN char *owl_function_smartfilter_cc(const owl_message *m)
2554{
2555  const char *ccs;
2556  char *ccs_quoted;
2557  char *filtname;
2558  owl_filter *f;
2559  GString *buf;
2560
2561  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2562
2563  filtname = g_strdup_printf("conversation-%s", ccs);
2564  g_strdelimit(filtname, " ", '-');
2565
2566  if (owl_global_get_filter(&g, filtname)) {
2567    return filtname;
2568  }
2569
2570  buf = g_string_new("type ^zephyr$ and filter personal and "
2571                     "zephyr_ccs ^");
2572  ccs_quoted = owl_text_quote(ccs, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2573  owl_string_append_quoted_arg(buf, ccs_quoted);
2574  g_string_append_c(buf, '$');
2575  g_free(ccs_quoted);
2576
2577  f = owl_filter_new_fromstring(filtname, buf->str);
2578  g_string_free(buf, true);
2579
2580  if (f == NULL) {
2581    owl_function_error("Error creating filter '%s'", filtname);
2582    g_free(filtname);
2583    return NULL;
2584  }
2585
2586  owl_global_add_filter(&g, f);
2587
2588  return filtname;
2589}
2590
2591/* Create a filter based on the current message.  Returns the name of
2592 * a filter or null.  The caller must free this name.
2593 *
2594 * if the curmsg is a personal zephyr return a filter name
2595 *    to the zephyr conversation with that user.
2596 * If the curmsg is a zephyr class message, instance foo, recip *,
2597 *    return a filter name to the class, inst.
2598 * If the curmsg is a zephyr class message and type==0 then
2599 *    return a filter name for just the class.
2600 * If the curmsg is a zephyr class message and type==1 then
2601 *    return a filter name for the class and instance.
2602 * If the curmsg is a personal AIM message returna  filter
2603 *    name to the AIM conversation with that user
2604 */
2605CALLER_OWN char *owl_function_smartfilter(int type, int invert_related)
2606{
2607  const owl_view *v;
2608  const owl_message *m;
2609  char *filtname = NULL;
2610  const char *argv[2], *zperson;
2611  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2612
2613  v=owl_global_get_current_view(&g);
2614  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2615
2616  if (!m || owl_view_get_size(v)==0) {
2617    owl_function_error("No message selected\n");
2618    return(NULL);
2619  }
2620
2621  /* very simple handling of admin messages for now */
2622  if (owl_message_is_type_admin(m)) {
2623    return(owl_function_typefilt("admin"));
2624  }
2625
2626  /* very simple handling of loopback messages for now */
2627  if (owl_message_is_type_loopback(m)) {
2628    return(owl_function_typefilt("loopback"));
2629  }
2630
2631  /* aim messages */
2632  if (owl_message_is_type_aim(m)) {
2633    if (owl_message_is_direction_in(m)) {
2634      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2635    } else if (owl_message_is_direction_out(m)) {
2636      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2637    }
2638    return(filtname);
2639  }
2640
2641  /* narrow personal and login messages to the sender or recip as appropriate */
2642  if (owl_message_is_type_zephyr(m)) {
2643    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2644      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2645        return owl_function_smartfilter_cc(m);
2646      }
2647
2648      if (owl_message_is_direction_in(m)) {
2649        zperson = owl_message_get_sender(m);
2650      } else {
2651        zperson = owl_message_get_recipient(m);
2652      }
2653      filtname = owl_function_zuserfilt(zperson);
2654      return filtname;
2655    }
2656
2657    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2658    if (!strcasecmp(owl_message_get_class(m), "message")) {
2659      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2660      return(filtname);
2661    }
2662
2663    /* otherwise narrow to the class */
2664    if (type==0) {
2665      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2666    } else if (type==1) {
2667      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2668    }
2669    return(filtname);
2670  }
2671
2672  /* pass it off to perl */
2673  argv[0] = type ? "1" : "0";
2674  argv[1] = related ? "1" : "0";
2675  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2676}
2677
2678void owl_function_smartzpunt(int type)
2679{
2680  /* Starts a zpunt command based on the current class,instance pair.
2681   * If type=0, uses just class.  If type=1, uses instance as well. */
2682  const owl_view *v;
2683  const owl_message *m;
2684  const char *mclass, *minst;
2685  GString *buf;
2686 
2687  v=owl_global_get_current_view(&g);
2688  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2689
2690  if (!m || owl_view_get_size(v)==0) {
2691    owl_function_error("No message selected\n");
2692    return;
2693  }
2694
2695  /* for now we skip admin messages. */
2696  if (owl_message_is_type_admin(m)
2697      || owl_message_is_loginout(m)
2698      || !owl_message_is_type_zephyr(m)) {
2699    owl_function_error("smartzpunt doesn't support this message type.");
2700    return;
2701  }
2702
2703  mclass = owl_message_get_class(m);
2704  minst = owl_message_get_instance(m);
2705  if (!mclass || !*mclass || *mclass==' '
2706      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2707      || (type && (!minst || !*minst|| *minst==' '))) {
2708    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2709                         mclass, minst);
2710  } else {
2711    buf = g_string_new("start-command zpunt ");
2712    owl_string_append_quoted_arg(buf, mclass);
2713    if (type) {
2714      g_string_append_c(buf, ' ');
2715      owl_string_append_quoted_arg(buf, minst);
2716    } else {
2717      g_string_append(buf, " *");
2718    }
2719    owl_function_command_norv(buf->str);
2720    g_string_free(buf, true);
2721  }
2722}
2723
2724/* Set the color of the current view's filter to
2725 * be 'color'
2726 */
2727void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2728{
2729  const char *name;
2730
2731  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2732  owl_function_color_filter(name, fgcolor, bgcolor);
2733}
2734
2735/* Set the color of the filter 'filter' to be 'color'.  If the color
2736 * name does not exist, return -1, if the filter does not exist or is
2737 * the "all" filter, return -2.  Return 0 on success
2738 */
2739int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2740{
2741  owl_filter *f;
2742
2743  f=owl_global_get_filter(&g, filtname);
2744  if (!f) {
2745    owl_function_error("Unknown filter");
2746    return(-2);
2747  }
2748
2749  /* don't touch the all filter */
2750  if (!strcmp(filtname, "all")) {
2751    owl_function_error("You may not change the 'all' filter.");
2752    return(-2);
2753  }
2754
2755  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2756    owl_function_error("No color named '%s' avilable.", fgcolor);
2757    return(-1);
2758  }
2759
2760
2761  if (bgcolor != NULL) {
2762    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2763      owl_function_error("No color named '%s' avilable.", bgcolor);
2764      return(-1);
2765    }
2766    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2767  }
2768  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2769 
2770  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2771  return(0);
2772}
2773
2774void owl_function_show_colors(void)
2775{
2776  owl_fmtext fm;
2777  int i; 
2778 
2779  owl_fmtext_init_null(&fm);
2780  owl_fmtext_append_normal(&fm,"default:  ");
2781  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2782
2783  owl_fmtext_append_normal(&fm,"black:    ");
2784  owl_fmtext_append_normal_color(&fm, "black\n", OWL_COLOR_BLACK, OWL_COLOR_DEFAULT);
2785
2786  owl_fmtext_append_normal(&fm,"red:      ");
2787  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2788
2789  owl_fmtext_append_normal(&fm,"green:    ");
2790  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2791
2792  owl_fmtext_append_normal(&fm,"yellow:   ");
2793  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2794
2795  owl_fmtext_append_normal(&fm,"blue:     ");
2796  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2797
2798  owl_fmtext_append_normal(&fm,"magenta:  ");
2799  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2800
2801  owl_fmtext_append_normal(&fm,"cyan:     ");
2802  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2803
2804  owl_fmtext_append_normal(&fm,"white:    ");
2805  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2806
2807  for(i = 8; i < COLORS; ++i) {
2808    char* str1 = g_strdup_printf("%4i:     ",i);
2809    char* str2 = g_strdup_printf("%i\n",i);
2810    owl_fmtext_append_normal(&fm,str1);
2811    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2812    g_free(str1);
2813     g_free(str2);
2814  }
2815 
2816  owl_function_popless_fmtext(&fm);
2817  owl_fmtext_cleanup(&fm);
2818}
2819
2820/* add the given class, inst, recip to the punt list for filtering.
2821 *   if direction==0 then punt
2822 *   if direction==1 then unpunt
2823 */
2824void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2825{
2826  GPtrArray *argv;
2827  char *quoted;
2828
2829  argv = g_ptr_array_new();
2830  if (!strcmp(class, "*")) {
2831    g_ptr_array_add(argv, g_strdup("class"));
2832    g_ptr_array_add(argv, g_strdup(".*"));
2833  } else {
2834    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2835    g_ptr_array_add(argv, g_strdup("class"));
2836    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2837    g_free(quoted);
2838  }
2839  if (!strcmp(inst, "*")) {
2840    g_ptr_array_add(argv, g_strdup("and"));
2841    g_ptr_array_add(argv, g_strdup("instance"));
2842    g_ptr_array_add(argv, g_strdup(".*"));
2843  } else {
2844    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2845    g_ptr_array_add(argv, g_strdup("and"));
2846    g_ptr_array_add(argv, g_strdup("instance"));
2847    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2848    g_free(quoted);
2849  }
2850  if (!strcmp(recip, "*")) {
2851    /* nothing */
2852  } else {
2853    if(!strcmp(recip, "%me%")) {
2854      recip = owl_zephyr_get_sender();
2855    }
2856    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2857    g_ptr_array_add(argv, g_strdup("and"));
2858    g_ptr_array_add(argv, g_strdup("recipient"));
2859    g_ptr_array_add(argv, g_strdup_printf("^%s$", quoted));
2860    g_free(quoted);
2861  }
2862
2863  owl_function_punt(argv->len, (const char *const*) argv->pdata, direction);
2864  owl_ptr_array_free(argv, g_free);
2865}
2866
2867void owl_function_punt(int argc, const char *const *argv, int direction)
2868{
2869  owl_filter *f;
2870  GPtrArray *fl;
2871  int i;
2872  fl=owl_global_get_puntlist(&g);
2873
2874  /* first, create the filter */
2875  f = owl_filter_new("punt-filter", argc, argv);
2876  if (f == NULL) {
2877    owl_function_error("Error creating filter for zpunt");
2878    return;
2879  }
2880
2881  /* Check for an identical filter */
2882  for (i = 0; i < fl->len; i++) {
2883    if (owl_filter_equiv(f, fl->pdata[i])) {
2884      owl_function_debugmsg("found an equivalent punt filter");
2885      /* if we're punting, then just silently bow out on this duplicate */
2886      if (direction==0) {
2887        owl_filter_delete(f);
2888        return;
2889      }
2890
2891      /* if we're unpunting, then remove this filter from the puntlist */
2892      if (direction==1) {
2893        owl_filter_delete(g_ptr_array_remove_index(fl, i));
2894        owl_filter_delete(f);
2895        return;
2896      }
2897    }
2898  }
2899
2900  if (direction == 0) {
2901    owl_function_debugmsg("punting");
2902    /* If we're punting, add the filter to the global punt list */
2903    g_ptr_array_add(fl, f);
2904  } else if (direction == 1) {
2905    owl_function_makemsg("No matching punt filter");
2906 }
2907}
2908
2909void owl_function_show_keymaps(void)
2910{
2911  GPtrArray *l;
2912  owl_fmtext fm;
2913  const owl_keymap *km;
2914  const owl_keyhandler *kh;
2915  int i;
2916  const char *kmname;
2917
2918  kh = owl_global_get_keyhandler(&g);
2919  owl_fmtext_init_null(&fm);
2920  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2921  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2922  l = owl_keyhandler_get_keymap_names(kh);
2923  owl_fmtext_append_list(&fm, l, "\n", owl_function_keymap_summary);
2924  owl_fmtext_append_normal(&fm, "\n");
2925
2926  for (i = 0; i < l->len; i++) {
2927    kmname = l->pdata[i];
2928    km = owl_keyhandler_get_keymap(kh, kmname);
2929    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2930    owl_keymap_get_details(km, &fm, 0);
2931  }
2932  owl_fmtext_append_normal(&fm, "\n");
2933 
2934  owl_function_popless_fmtext(&fm);
2935  owl_ptr_array_free(l, g_free);
2936  owl_fmtext_cleanup(&fm);
2937}
2938
2939CALLER_OWN char *owl_function_keymap_summary(const char *name)
2940{
2941  const owl_keymap *km
2942    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2943  if (km) return owl_keymap_summary(km);
2944  else return(NULL);
2945}
2946
2947/* TODO: implement for real */
2948void owl_function_show_keymap(const char *name)
2949{
2950  owl_fmtext fm;
2951  const owl_keymap *km;
2952
2953  owl_fmtext_init_null(&fm);
2954  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2955  if (km) {
2956    owl_keymap_get_details(km, &fm, 1);
2957  } else {
2958    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2959  } 
2960  owl_function_popless_fmtext(&fm);
2961  owl_fmtext_cleanup(&fm);
2962}
2963
2964void owl_function_help_for_command(const char *cmdname)
2965{
2966  owl_fmtext fm;
2967
2968  owl_fmtext_init_null(&fm);
2969  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2970  owl_function_popless_fmtext(&fm); 
2971  owl_fmtext_cleanup(&fm);
2972}
2973
2974void owl_function_set_search(const char *string)
2975{
2976  owl_regex re;
2977
2978  if (string && owl_regex_create_quoted(&re, string) == 0) {
2979    owl_global_set_search_re(&g, &re);
2980    owl_regex_cleanup(&re);
2981  } else {
2982    owl_global_set_search_re(&g, NULL);
2983  }
2984}
2985
2986void owl_function_search_helper(int consider_current, int direction)
2987{
2988  /* move to a message that contains the string.  If direction is
2989   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2990   * OWL_DIRECTION_UPWARDS then search backwards.
2991   *
2992   * If consider_current is true then it will stay on the
2993   * current message if it contains the string.
2994   */
2995
2996  const owl_view *v;
2997  int viewsize, i, curmsg, start;
2998  owl_message *m;
2999
3000  v=owl_global_get_current_view(&g);
3001  viewsize=owl_view_get_size(v);
3002  curmsg=owl_global_get_curmsg(&g);
3003 
3004  if (viewsize==0) {
3005    owl_function_makemsg("No messages present");
3006    return;
3007  }
3008
3009  if (consider_current) {
3010    start=curmsg;
3011  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3012    start=curmsg+1;
3013  } else {
3014    start=curmsg-1;
3015  }
3016
3017  /* bounds check */
3018  if (start>=viewsize || start<0) {
3019    owl_function_makemsg("No further matches found");
3020    return;
3021  }
3022
3023  for (i=start; i<viewsize && i>=0;) {
3024    m=owl_view_get_element(v, i);
3025    if (owl_message_search(m, owl_global_get_search_re(&g))) {
3026      owl_global_set_curmsg(&g, i);
3027      owl_function_calculate_topmsg(direction);
3028      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3029      if (direction==OWL_DIRECTION_DOWNWARDS) {
3030        owl_global_set_direction_downwards(&g);
3031      } else {
3032        owl_global_set_direction_upwards(&g);
3033      }
3034      return;
3035    }
3036    if (direction==OWL_DIRECTION_DOWNWARDS) {
3037      i++;
3038    } else {
3039      i--;
3040    }
3041    if (owl_global_take_interrupt(&g)) {
3042      owl_function_makemsg("Search interrupted!");
3043      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3044      return;
3045    }
3046  }
3047  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3048  owl_function_makemsg("No matches found");
3049}
3050
3051/* strips formatting from ztext and returns the unformatted text.
3052 * caller is responsible for freeing. */
3053CALLER_OWN char *owl_function_ztext_stylestrip(const char *zt)
3054{
3055  owl_fmtext fm;
3056  char *plaintext;
3057
3058  owl_fmtext_init_null(&fm);
3059  owl_fmtext_append_ztext(&fm, zt);
3060  plaintext = owl_fmtext_print_plain(&fm);
3061  owl_fmtext_cleanup(&fm);
3062  return(plaintext);
3063}
3064
3065/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3066void owl_function_buddylist(int aim, int zephyr, const char *filename)
3067{
3068  int i, j, idle;
3069  int interrupted = 0;
3070  owl_fmtext fm;
3071  const owl_buddylist *bl;
3072  const owl_buddy *b;
3073  char *timestr;
3074#ifdef HAVE_LIBZEPHYR
3075  int x;
3076  GPtrArray *anyone;
3077  const char *user;
3078  char *tmp;
3079  ZLocations_t location[200];
3080  int numlocs, ret;
3081#endif
3082
3083  owl_fmtext_init_null(&fm);
3084
3085  /* AIM first */
3086  if (aim && owl_global_is_aimloggedin(&g)) {
3087    bl=owl_global_get_buddylist(&g);
3088
3089    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3090    /* we're assuming AIM for now */
3091    j=owl_buddylist_get_size(bl);
3092    for (i=0; i<j; i++) {
3093      b=owl_buddylist_get_buddy_n(bl, i);
3094      idle=owl_buddy_get_idle_time(b);
3095      if (idle!=0) {
3096        timestr=owl_util_format_minutes(idle);
3097      } else {
3098        timestr=g_strdup("");
3099      }
3100      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3101      g_free(timestr);
3102    }
3103  }
3104
3105#ifdef HAVE_LIBZEPHYR
3106  if (zephyr) {
3107    if(!owl_global_is_havezephyr(&g)) {
3108      owl_function_error("Zephyr currently not available.");
3109    } else {
3110      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3111      anyone = owl_zephyr_get_anyone_list(filename);
3112      if (anyone == NULL) {
3113        if (errno == ENOENT) {
3114          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3115          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3116          owl_fmtext_append_bold(  &fm, "<username>");
3117          owl_fmtext_append_normal(&fm, "'.\n");
3118        } else {
3119          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3120        }
3121      } else {
3122        for (i = 0; i < anyone->len; i++) {
3123          user = anyone->pdata[i];
3124          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3125
3126          if (owl_global_take_interrupt(&g)) {
3127            interrupted = 1;
3128            owl_function_makemsg("Interrupted!");
3129            break;
3130          }
3131
3132          if (ret!=ZERR_NONE) {
3133            owl_function_error("Error getting location for %s", user);
3134            continue;
3135          }
3136
3137          numlocs=200;
3138          ret=ZGetLocations(location, &numlocs);
3139          if (ret==0) {
3140            for (x=0; x<numlocs; x++) {
3141              tmp=short_zuser(user);
3142              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3143                                        tmp,
3144                                        location[x].host,
3145                                        location[x].tty,
3146                                        location[x].time);
3147              g_free(tmp);
3148            }
3149            if (numlocs>=200) {
3150              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3151            }
3152          }
3153        }
3154      }
3155      owl_ptr_array_free(anyone, g_free);
3156    }
3157  }
3158#endif
3159
3160  if (aim && zephyr) {
3161    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3162      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3163      if (perlblist) {
3164        owl_fmtext_append_ztext(&fm, perlblist);
3165        g_free(perlblist);
3166      }
3167    }
3168  }
3169
3170  if(!interrupted) {
3171    owl_function_popless_fmtext(&fm);
3172  }
3173  owl_fmtext_cleanup(&fm);
3174}
3175
3176/* Dump messages in the current view to the file 'filename'. */
3177void owl_function_dump(const char *filename) 
3178{
3179  int i, j;
3180  owl_message *m;
3181  const owl_view *v;
3182  FILE *file;
3183  char *plaintext;
3184
3185  v=owl_global_get_current_view(&g);
3186
3187  /* in the future make it ask yes/no */
3188  /*
3189  ret=stat(filename, &sbuf);
3190  if (!ret) {
3191    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3192    if (!ret) return;
3193  }
3194  */
3195
3196  file=fopen(filename, "w");
3197  if (!file) {
3198    owl_function_error("Error opening file");
3199    return;
3200  }
3201
3202  j=owl_view_get_size(v);
3203  for (i=0; i<j; i++) {
3204    m=owl_view_get_element(v, i);
3205    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3206    if (plaintext) {
3207      fputs(plaintext, file);
3208      g_free(plaintext);
3209    }
3210  }
3211  fclose(file);
3212  owl_function_makemsg("Messages dumped to %s", filename);
3213}
3214
3215void owl_function_do_newmsgproc(void)
3216{
3217  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3218    /* if there's a process out there, we need to check on it */
3219    if (owl_global_get_newmsgproc_pid(&g)) {
3220      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3221      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3222      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3223      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3224        /* it exited */
3225        owl_global_set_newmsgproc_pid(&g, 0);
3226        owl_function_debugmsg("newmsgproc exited");
3227      } else {
3228        owl_function_debugmsg("newmsgproc did not exit");
3229      }
3230    }
3231   
3232    /* if it exited, spawn a new one */
3233    if (owl_global_get_newmsgproc_pid(&g)==0) {
3234      int myargc;
3235      char **argv = owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3236      if (myargc < 0) {
3237        owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?",
3238                              owl_global_get_newmsgproc(&g));
3239      } else if (myargc > 0) {
3240        /* Spawn the child. */
3241        GPid pid;
3242        GError *error = NULL;
3243        owl_function_debugmsg("About to exec \"%s\" with %d arguments", argv[0], myargc);
3244        if (g_spawn_async(NULL, argv, NULL,
3245                          G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
3246                          NULL, NULL, &pid, &error)) {
3247          owl_global_set_newmsgproc_pid(&g, pid);
3248          owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", pid);
3249        } else {
3250          owl_function_debugmsg("Cannot run newmsgproc '%s': %s",
3251                                owl_global_get_newmsgproc(&g), error->message);
3252          g_error_free(error);
3253        }
3254      }
3255      g_strfreev(argv);
3256    }
3257  }
3258}
3259
3260/* print the xterm escape sequence to raise the window */
3261void owl_function_xterm_raise(void)
3262{
3263  printf("\033[5t");
3264}
3265
3266/* print the xterm escape sequence to deiconify the window */
3267void owl_function_xterm_deiconify(void)
3268{
3269  printf("\033[1t");
3270}
3271
3272/* Add the specified command to the startup file.  Eventually this
3273 * should be clever, and rewriting settings that will obviosly
3274 * override earlier settings with 'set' 'bindkey' and 'alias'
3275 * commands.  For now though we just remove any line that would
3276 * duplicate this one and then append this line to the end of
3277 * startupfile.
3278 */
3279void owl_function_addstartup(const char *buff)
3280{
3281  FILE *file;
3282  const char *filename;
3283
3284  filename=owl_global_get_startupfile(&g);
3285
3286  /* delete earlier copies, if the file exists */
3287  if (g_file_test(filename, G_FILE_TEST_EXISTS))
3288    owl_util_file_deleteline(filename, buff, 1);
3289
3290  file=fopen(filename, "a");
3291  if (!file) {
3292    owl_function_error("Error opening startupfile for new command");
3293    return;
3294  }
3295
3296  /* add this line */
3297  fprintf(file, "%s\n", buff);
3298
3299  fclose(file);
3300}
3301
3302/* Remove the specified command from the startup file. */
3303void owl_function_delstartup(const char *buff)
3304{
3305  const char *filename;
3306  filename=owl_global_get_startupfile(&g);
3307  owl_util_file_deleteline(filename, buff, 1);
3308}
3309
3310/* Execute owl commands from the given filename.  If the filename
3311 * is NULL, use the default owl startup commands file.
3312 */
3313void owl_function_source(const char *filename)
3314{
3315  char *path;
3316  FILE *file;
3317  char *s = NULL;
3318  int fail_silent = 0;
3319
3320  if (!filename) {
3321    fail_silent = 1;
3322    path = g_strdup(owl_global_get_startupfile(&g));
3323  } else {
3324    path = owl_util_makepath(filename);
3325  }
3326  file = fopen(path, "r");
3327  g_free(path);
3328  if (!file) {
3329    if (!fail_silent) {
3330      owl_function_error("Error opening file: %s", filename);
3331    }
3332    return;
3333  }
3334  while (owl_getline_chomp(&s, file)) {
3335    if (s[0] == '\0' || s[0] == '#')
3336      continue;
3337    owl_function_command_norv(s);
3338  }
3339
3340  g_free(s);
3341  fclose(file);
3342}
3343
3344void owl_function_change_style(owl_view *v, const char *stylename)
3345{
3346  const owl_style *s;
3347
3348  s=owl_global_get_style_by_name(&g, stylename);
3349  if (!s) {
3350    owl_function_error("No style named %s", stylename);
3351    return;
3352  }
3353  owl_view_set_style(v, s);
3354  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3355  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3356  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3357}
3358
3359void owl_function_toggleoneline(void)
3360{
3361  owl_view *v;
3362  const owl_style *s;
3363
3364  v=owl_global_get_current_view(&g);
3365  s=owl_view_get_style(v);
3366
3367  if (!owl_style_matches_name(s, "oneline")) {
3368    owl_function_change_style(v, "oneline");
3369  } else {
3370    owl_function_change_style(v, owl_global_get_default_style(&g));
3371  }
3372
3373  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3374  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3375  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3376}
3377
3378void G_GNUC_PRINTF(1, 2) owl_function_error(const char *fmt, ...)
3379{
3380  static int in_error = 0;
3381  va_list ap;
3382  char *buff;
3383  const char *nl;
3384
3385  if (++in_error > 2) {
3386    /* More than two nested errors, bail immediately. */
3387    in_error--;
3388    return;
3389  }
3390
3391  va_start(ap, fmt);
3392  buff = g_strdup_vprintf(fmt, ap);
3393  va_end(ap);
3394
3395  owl_function_debugmsg("ERROR: %s", buff);
3396  owl_function_log_err(buff);
3397
3398  nl = strchr(buff, '\n');
3399
3400  /*
3401    Showing admin messages triggers a lot of code. If we have a
3402    recursive error call, that's the most likely candidate, so
3403    suppress the call in that case, to try to avoid infinite looping.
3404  */
3405
3406  if(nl && *(nl + 1) && in_error == 1) {
3407    /* Multiline error */
3408    owl_function_adminmsg("ERROR", buff);
3409  } else {
3410    owl_function_makemsg("[Error] %s", buff);
3411  }
3412
3413  g_free(buff);
3414
3415  in_error--;
3416}
3417
3418void owl_function_log_err(const char *string)
3419{
3420  char *date;
3421  time_t now;
3422  char *buff;
3423
3424  now = time(NULL);
3425  date = owl_util_format_time(localtime(&now));
3426
3427  buff = g_strdup_printf("%s %s", date, string);
3428
3429  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3430
3431  g_free(buff);
3432  g_free(date);
3433}
3434
3435void owl_function_showerrs(void)
3436{
3437  owl_fmtext fm;
3438
3439  owl_fmtext_init_null(&fm);
3440  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3441  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3442  owl_function_popless_fmtext(&fm);
3443}
3444
3445void G_GNUC_PRINTF(1, 2) owl_function_makemsg(const char *fmt, ...)
3446{
3447  va_list ap;
3448  char *str;
3449
3450  va_start(ap, fmt);
3451  str = g_strdup_vprintf(fmt, ap);
3452  va_end(ap);
3453
3454  owl_function_debugmsg("makemsg: %s", str);
3455  owl_msgwin_set_text_nocopy(&g.msgwin, str);
3456}
3457
3458/* get locations for everyone in .anyone.  If 'notify' is '1' then
3459 * send a pseudo login or logout message for everyone not in sync with
3460 * the global zephyr buddy list.  The list is updated regardless of
3461 * the status of 'notify'.
3462 */
3463void owl_function_zephyr_buddy_check(int notify)
3464{
3465#ifdef HAVE_LIBZEPHYR
3466  int i;
3467  GPtrArray *anyone;
3468  GList **zaldlist;
3469  GList *zaldptr;
3470  ZAsyncLocateData_t *zald;
3471  const char *user;
3472
3473  if (!owl_global_is_havezephyr(&g)) return;
3474  owl_global_set_pseudologin_notify(&g, notify);
3475  zaldlist = owl_global_get_zaldlist(&g);
3476
3477  /* Clear the existing ZALDs first. */
3478  zaldptr = g_list_first(*zaldlist);
3479  while (zaldptr) {
3480    ZFreeALD(zaldptr->data);
3481    g_free(zaldptr->data);
3482    zaldptr = g_list_next(zaldptr);
3483  }
3484  g_list_free(*zaldlist);
3485  *zaldlist = NULL;
3486
3487  anyone = owl_zephyr_get_anyone_list(NULL);
3488  if (anyone != NULL) {
3489    for (i = 0; i < anyone->len; i++) {
3490      user = anyone->pdata[i];
3491      zald = g_new(ZAsyncLocateData_t, 1);
3492      if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3493        *zaldlist = g_list_append(*zaldlist, zald);
3494      } else {
3495        g_free(zald);
3496      }
3497    }
3498    owl_ptr_array_free(anyone, g_free);
3499  }
3500#endif
3501}
3502
3503void owl_function_aimsearch_results(const char *email, GPtrArray *namelist)
3504{
3505  owl_fmtext fm;
3506  int i;
3507
3508  owl_fmtext_init_null(&fm);
3509  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3510  owl_fmtext_append_normal(&fm, email);
3511  owl_fmtext_append_normal(&fm, ":\n");
3512
3513  for (i = 0; i < namelist->len; i++) {
3514    owl_fmtext_append_normal(&fm, "  ");
3515    owl_fmtext_append_normal(&fm, namelist->pdata[i]);
3516    owl_fmtext_append_normal(&fm, "\n");
3517  }
3518
3519  owl_function_popless_fmtext(&fm);
3520  owl_fmtext_cleanup(&fm);
3521}
3522
3523int owl_function_get_color_count(void)
3524{
3525     return COLORS;
3526}
3527
3528void _owl_function_mark_message(const owl_message *m)
3529{
3530  if (m) {
3531    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3532    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3533  }
3534}
3535
3536void owl_function_mark_message(void)
3537{
3538  const owl_message *m;
3539  const owl_view *v;
3540
3541  v=owl_global_get_current_view(&g);
3542
3543  /* bail if there's no current message */
3544  if (owl_view_get_size(v) < 1) {
3545    owl_function_error("No messages to mark");
3546    return;
3547  }
3548
3549  /* mark the message */
3550  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3551  _owl_function_mark_message(m);
3552  owl_function_makemsg("Mark set");
3553}
3554
3555void owl_function_swap_cur_marked(void)
3556{
3557  int marked_id;
3558  const owl_message *m;
3559  const owl_view *v;
3560
3561  marked_id=owl_global_get_markedmsgid(&g);
3562  if (marked_id == -1) {
3563    owl_function_error("Mark not set.");
3564    return;
3565  }
3566
3567  v=owl_global_get_current_view(&g);
3568  /* bail if there's no current message */
3569  if (owl_view_get_size(v) < 1) {
3570    return;
3571  }
3572
3573  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3574  _owl_function_mark_message(m);
3575  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3576  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3577  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3578  owl_global_set_direction_downwards(&g);
3579}
Note: See TracBrowser for help on using the repository browser.