source: functions.c @ ebc6f77

Last change on this file since ebc6f77 was c55930e, checked in by Anders Kaseorg <andersk@mit.edu>, 8 years ago
Show Zephyr charset in info popup Signed-off-by: Anders Kaseorg <andersk@mit.edu>
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File size: 97.6 KB
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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  char *text = g_strdup_printf(
118    "BarnOwl version %s\n"
119    "Copyright (c) 2006-2011 The BarnOwl Developers. All rights reserved.\n"
120    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
121    "\n"
122    "Redistribution and use in source and binary forms, with or without\n"
123    "modification, are permitted provided that the following conditions are\n"
124    "met:\n"
125    "\n"
126    "   * Redistributions of source code must retain the above copyright\n"
127    "     notice, this list of conditions and the following disclaimer.\n"
128    "\n"
129    "   * Redistributions in binary form must reproduce the above copyright\n"
130    "     notice, this list of conditions and the following disclaimer in\n"
131    "     the documentation and/or other materials provided with the\n"
132    "     distribution.\n"
133    "\n"
134    "   * Redistributions in any form must be accompanied by information on\n"
135    "     how to obtain complete source code for the BarnOwl software and any\n"
136    "     accompanying software that uses the BarnOwl software. The source code\n"
137    "     must either be included in the distribution or be available for no\n"
138    "     more than the cost of distribution plus a nominal fee, and must be\n"
139    "     freely redistributable under reasonable conditions. For an\n"
140    "     executable file, complete source code means the source code for\n"
141    "     all modules it contains. It does not include source code for\n"
142    "     modules or files that typically accompany the major components of\n"
143    "     the operating system on which the executable file runs.\n"
144    "\n"
145    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
146    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
147    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
148    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
149    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
150    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
151    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
152    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
153    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
154    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
155    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n",
156    version);
157  owl_function_popless_text(text);
158  g_free(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  char *text = g_strdup_printf(
1362    "This is BarnOwl version %s.\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      version);
1383  owl_function_popless_text(text);
1384  g_free(text);
1385}
1386
1387void owl_function_info(void)
1388{
1389  const owl_message *m;
1390  owl_fmtext fm, attrfm;
1391  const owl_view *v;
1392  char *time;
1393#ifdef HAVE_LIBZEPHYR
1394  const ZNotice_t *n;
1395#endif
1396
1397  owl_fmtext_init_null(&fm);
1398 
1399  v=owl_global_get_current_view(&g);
1400  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1401  if (!m || owl_view_get_size(v)==0) {
1402    owl_function_error("No message selected\n");
1403    return;
1404  }
1405
1406  owl_fmtext_append_bold(&fm, "General Information:\n");
1407  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1408
1409  owl_fmtext_append_normal(&fm, "  Type      : ");
1410  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1411  owl_fmtext_append_normal(&fm, "\n");
1412
1413  if (owl_message_is_direction_in(m)) {
1414    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1415  } else if (owl_message_is_direction_out(m)) {
1416    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1417  } else if (owl_message_is_direction_none(m)) {
1418    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1419  } else {
1420    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1421  }
1422
1423  time = owl_message_format_time(m);
1424  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", time);
1425  g_free(time);
1426
1427  if (!owl_message_is_type_admin(m)) {
1428    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1429    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1430  }
1431
1432  if (owl_message_is_type_zephyr(m)) {
1433    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1434   
1435    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1436    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1437    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1438#ifdef HAVE_LIBZEPHYR
1439    n = owl_message_get_notice(m);
1440    if (n != NULL) {
1441      char *tmpbuff, *tmpbuff2;
1442      int i, fields;
1443      const char *f;
1444
1445      if (!owl_message_is_pseudo(m)) {
1446        owl_fmtext_append_normal(&fm, "  Kind      : ");
1447        if (n->z_kind==UNSAFE) {
1448          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1449        } else if (n->z_kind==UNACKED) {
1450          owl_fmtext_append_normal(&fm, "UNACKED\n");
1451        } else if (n->z_kind==ACKED) {
1452          owl_fmtext_append_normal(&fm, "ACKED\n");
1453        } else if (n->z_kind==HMACK) {
1454          owl_fmtext_append_normal(&fm, "HMACK\n");
1455        } else if (n->z_kind==HMCTL) {
1456          owl_fmtext_append_normal(&fm, "HMCTL\n");
1457        } else if (n->z_kind==SERVACK) {
1458          owl_fmtext_append_normal(&fm, "SERVACK\n");
1459        } else if (n->z_kind==SERVNAK) {
1460          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1461        } else if (n->z_kind==CLIENTACK) {
1462          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1463        } else if (n->z_kind==STAT) {
1464          owl_fmtext_append_normal(&fm, "STAT\n");
1465        } else {
1466          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1467        }
1468      }
1469      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1470
1471      if (!owl_message_is_pseudo(m)) {
1472        owl_fmtext_append_normal(&fm, "\n");
1473        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1474        owl_fmtext_appendf_normal(&fm, "  Charset   : %s\n", owl_zephyr_get_charsetstr(n));
1475        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1476
1477        /* FIXME make these more descriptive */
1478        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1479        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1480        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1481        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1482
1483        fields=owl_zephyr_get_num_fields(n);
1484        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1485
1486        for (i = 0, f = owl_zephyr_first_raw_field(n); f != NULL;
1487             i++, f = owl_zephyr_next_raw_field(n, f)) {
1488          tmpbuff = owl_zephyr_field_as_utf8(n, f);
1489          tmpbuff2 = owl_text_indent(tmpbuff, 14, false);
1490          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i + 1, tmpbuff2);
1491          g_free(tmpbuff2);
1492          g_free(tmpbuff);
1493        }
1494        tmpbuff = owl_text_indent(n->z_default_format, 14, false);
1495        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", tmpbuff);
1496        g_free(tmpbuff);
1497      }
1498
1499    }
1500#endif
1501  }
1502
1503  owl_fmtext_append_bold(&fm, "\nBarnOwl Message Attributes:\n");
1504  owl_message_attributes_tofmtext(m, &attrfm);
1505  owl_fmtext_append_fmtext(&fm, &attrfm);
1506 
1507  owl_function_popless_fmtext(&fm);
1508  owl_fmtext_cleanup(&fm);
1509  owl_fmtext_cleanup(&attrfm);
1510}
1511
1512/* print the current message in a popup window.
1513 * Use the 'default' style regardless of whatever
1514 * style the user may be using
1515 */
1516void owl_function_curmsg_to_popwin(void)
1517{
1518  const owl_view *v;
1519  const owl_message *m;
1520  const owl_style *s;
1521  owl_fmtext fm;
1522
1523  v=owl_global_get_current_view(&g);
1524  s=owl_global_get_style_by_name(&g, "default");
1525
1526  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1527
1528  if (!m || owl_view_get_size(v)==0) {
1529    owl_function_error("No current message");
1530    return;
1531  }
1532
1533  owl_fmtext_init_null(&fm);
1534  owl_style_get_formattext(s, &fm, m);
1535
1536  owl_function_popless_fmtext(&fm);
1537  owl_fmtext_cleanup(&fm);
1538}
1539
1540void owl_function_page_curmsg(int step)
1541{
1542  /* scroll down or up within the current message IF the message is truncated */
1543
1544  int offset, curmsg, lines;
1545  const owl_view *v;
1546  owl_message *m;
1547
1548  offset=owl_global_get_curmsg_vert_offset(&g);
1549  v=owl_global_get_current_view(&g);
1550  curmsg=owl_global_get_curmsg(&g);
1551  m=owl_view_get_element(v, curmsg);
1552  if (!m || owl_view_get_size(v)==0) return;
1553  lines=owl_message_get_numlines(m);
1554
1555  if (offset==0) {
1556    /* Bail if the curmsg isn't the last one displayed */
1557    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1558      owl_function_makemsg("The entire message is already displayed");
1559      return;
1560    }
1561   
1562    /* Bail if we're not truncated */
1563    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1564      owl_function_makemsg("The entire message is already displayed");
1565      return;
1566    }
1567  }
1568 
1569 
1570  /* don't scroll past the last line */
1571  if (step>0) {
1572    if (offset+step > lines-1) {
1573      owl_global_set_curmsg_vert_offset(&g, lines-1);
1574    } else {
1575      owl_global_set_curmsg_vert_offset(&g, offset+step);
1576    }
1577  }
1578
1579  /* would we be before the beginning of the message? */
1580  if (step<0) {
1581    if (offset+step<0) {
1582      owl_global_set_curmsg_vert_offset(&g, 0);
1583    } else {
1584      owl_global_set_curmsg_vert_offset(&g, offset+step);
1585    }
1586  }
1587 
1588  /* redisplay */
1589  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1590}
1591
1592void owl_function_resize_typwin(int newsize)
1593{
1594  owl_global_set_typwin_lines(&g, newsize);
1595  owl_mainpanel_layout_contents(&g.mainpanel);
1596}
1597
1598void owl_function_mainwin_pagedown(void)
1599{
1600  int i;
1601
1602  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1603  if (i<0) return;
1604  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1605      && (owl_global_get_curmsg(&g) < i)
1606      && (i>0)) {
1607    i--;
1608  }
1609  owl_global_set_curmsg(&g, i);
1610  owl_function_nextmsg();
1611}
1612
1613void owl_function_mainwin_pageup(void)
1614{
1615  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1616  owl_function_prevmsg();
1617}
1618
1619void owl_function_getsubs(void)
1620{
1621  char *buff;
1622
1623  buff=owl_zephyr_getsubs();
1624
1625  if (buff) {
1626    owl_function_popless_text(buff);
1627  } else {
1628    owl_function_popless_text("Error getting subscriptions");
1629  }
1630           
1631  g_free(buff);
1632}
1633
1634void owl_function_printallvars(void)
1635{
1636  const owl_variable *v;
1637  const char *name;
1638  char *var;
1639  GPtrArray *varnames;
1640  int i;
1641  GString *str   = g_string_new("");
1642
1643  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1644  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1645  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1646  for (i = 0; i < varnames->len; i++) {
1647    name = varnames->pdata[i];
1648    if (name && name[0]!='_') {
1649      g_string_append_printf(str, "\n%-20s = ", name);
1650      v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1651      var = owl_variable_get_tostring(v);
1652      if (var) {
1653        g_string_append(str, var);
1654        g_free(var);
1655      } else {
1656        g_string_append(str, "<null>");
1657      }
1658    }
1659  }
1660  g_string_append(str, "\n");
1661  owl_ptr_array_free(varnames, g_free);
1662
1663  owl_function_popless_text(str->str);
1664  g_string_free(str, true);
1665}
1666
1667void owl_function_show_variables(void)
1668{
1669  const owl_variable *v;
1670  GPtrArray *varnames;
1671  owl_fmtext fm; 
1672  int i;
1673  const char *varname;
1674
1675  owl_fmtext_init_null(&fm);
1676  owl_fmtext_append_bold(&fm, 
1677      "Variables: (use 'show variable <name>' for details)\n");
1678  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1679  for (i = 0; i < varnames->len; i++) {
1680    varname = varnames->pdata[i];
1681    if (varname && varname[0]!='_') {
1682      v = owl_variable_get_var(owl_global_get_vardict(&g), varname);
1683      owl_variable_describe(v, &fm);
1684    }
1685  }
1686  owl_ptr_array_free(varnames, g_free);
1687  owl_function_popless_fmtext(&fm);
1688  owl_fmtext_cleanup(&fm);
1689}
1690
1691void owl_function_show_variable(const char *name)
1692{
1693  const owl_variable *v;
1694  owl_fmtext fm; 
1695
1696  owl_fmtext_init_null(&fm);
1697  v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1698  if (v)
1699    owl_variable_get_help(v, &fm);
1700  else
1701    owl_fmtext_append_normal(&fm, "No such variable...\n");
1702  owl_function_popless_fmtext(&fm);
1703  owl_fmtext_cleanup(&fm);
1704}
1705
1706void owl_function_delete_and_expunge_by_id(int id, bool exclaim_success)
1707{
1708  const owl_messagelist *ml = owl_global_get_msglist(&g);
1709  int msg = owl_messagelist_get_index_by_id(ml, id);
1710  if (msg < 0) {
1711    owl_function_error("No message with id %d: unable to delete", id);
1712  } else {
1713    owl_function_delete_and_expunge_message(msg);
1714    if (exclaim_success)
1715      owl_function_makemsg("Message deleted and expunged");
1716  }
1717}
1718
1719/* note: this applies to global message list, not to view.
1720 * If flag is 1, deletes.  If flag is 0, undeletes. */
1721void owl_function_delete_by_id(int id, int flag)
1722{
1723  const owl_messagelist *ml;
1724  owl_message *m;
1725  ml = owl_global_get_msglist(&g);
1726  m = owl_messagelist_get_by_id(ml, id);
1727  if (m) {
1728    if (flag == 1) {
1729      owl_message_mark_delete(m);
1730    } else if (flag == 0) {
1731      owl_message_unmark_delete(m);
1732    }
1733    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1734  } else {
1735    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1736  }
1737}
1738
1739void owl_function_delete_automsgs(void)
1740{
1741  /* mark for deletion all messages in the current view that match the
1742   * 'trash' filter */
1743
1744  int i, j, count;
1745  owl_message *m;
1746  const owl_view *v;
1747  const owl_filter *f;
1748
1749  /* get the trash filter */
1750  f=owl_global_get_filter(&g, "trash");
1751  if (!f) {
1752    owl_function_error("No trash filter defined");
1753    return;
1754  }
1755
1756  v=owl_global_get_current_view(&g);
1757
1758  count=0;
1759  j=owl_view_get_size(v);
1760  for (i=0; i<j; i++) {
1761    m=owl_view_get_element(v, i);
1762    if (owl_filter_message_match(f, m)) {
1763      count++;
1764      owl_message_mark_delete(m);
1765    }
1766  }
1767  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1768  owl_function_makemsg("%i messages marked for deletion", count);
1769}
1770
1771void owl_function_status(void)
1772{
1773  char *tmpbuff;
1774  char buff[MAXPATHLEN+1];
1775  time_t start;
1776  int up, days, hours, minutes;
1777  owl_fmtext fm;
1778
1779  owl_fmtext_init_null(&fm);
1780
1781  start=owl_global_get_starttime(&g);
1782
1783  owl_fmtext_append_normal(&fm, "General Information:\n");
1784
1785  owl_fmtext_append_normal(&fm, "  Version: ");
1786  owl_fmtext_append_normal(&fm, version);
1787  owl_fmtext_append_normal(&fm, "\n");
1788
1789  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1790  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1791  owl_fmtext_append_normal(&fm, "\n");
1792
1793  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1794  if(getcwd(buff, MAXPATHLEN) == NULL) {
1795    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1796  } else {
1797    owl_fmtext_append_normal(&fm, buff);
1798  }
1799  owl_fmtext_append_normal(&fm, "\n");
1800
1801  tmpbuff = owl_util_format_time(localtime(&start));
1802  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s\n", tmpbuff);
1803  g_free(tmpbuff);
1804
1805  up=owl_global_get_runtime(&g);
1806  days=up/86400;
1807  up-=days*86400;
1808  hours=up/3600;
1809  up-=hours*3600;
1810  minutes=up/60;
1811  up-=minutes*60;
1812  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1813
1814  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1815  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1816  if (owl_global_is_havezephyr(&g)) {
1817    owl_fmtext_append_normal(&fm, "yes\n");
1818  } else {
1819    owl_fmtext_append_normal(&fm, "no\n");
1820  }
1821  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1822  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1823
1824
1825  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1826  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1827#if OWL_STDERR_REDIR
1828  owl_fmtext_append_normal(&fm, "yes\n");
1829#else
1830  owl_fmtext_append_normal(&fm, "no\n");
1831#endif
1832 
1833
1834  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1835  owl_fmtext_append_normal(&fm, "  Logged in: ");
1836  if (owl_global_is_aimloggedin(&g)) {
1837    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1838    owl_fmtext_append_normal(&fm, "\n");
1839  } else {
1840    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1841  }
1842
1843  owl_fmtext_append_normal(&fm, "  Processing events: ");
1844  if (owl_global_is_doaimevents(&g)) {
1845    owl_fmtext_append_normal(&fm, "yes\n");
1846  } else {
1847    owl_fmtext_append_normal(&fm, "no\n");
1848  }
1849
1850  owl_function_popless_fmtext(&fm);
1851  owl_fmtext_cleanup(&fm);
1852}
1853
1854void owl_function_show_term(void)
1855{
1856  owl_fmtext fm;
1857
1858  owl_fmtext_init_null(&fm);
1859  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1860          owl_global_get_lines(&g),
1861          owl_global_get_cols(&g));
1862
1863  if (has_colors()) {
1864    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1865    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_util_get_colorpairs());
1866    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1867  } else {
1868    owl_fmtext_append_normal(&fm, "Color: No\n");
1869  }
1870
1871  owl_function_popless_fmtext(&fm);
1872  owl_fmtext_cleanup(&fm);
1873}
1874
1875/* if type = 0 then normal reply.
1876 * if type = 1 then it's a reply to sender
1877 * if enter = 0 then allow the command to be edited
1878 * if enter = 1 then don't wait for editing
1879 */
1880void owl_function_reply(int type, int enter)
1881{
1882  char *buff=NULL;
1883  const owl_message *m;
1884  const owl_filter *f;
1885 
1886  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1887    owl_function_error("No message selected");
1888  } else {
1889    char *cmd;
1890   
1891    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1892    if (!m) {
1893      owl_function_error("No message selected");
1894      return;
1895    }
1896
1897    /* first check if we catch the reply-lockout filter */
1898    f=owl_global_get_filter(&g, "reply-lockout");
1899    if (f) {
1900      if (owl_filter_message_match(f, m)) {
1901        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1902        return;
1903      }
1904    }
1905
1906    /* then check if it's a question and just bring up the command prompt */
1907    if (owl_message_is_question(m)) {
1908      owl_function_start_command("");
1909      return;
1910    }
1911
1912    if((type == 0 &&
1913        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1914       (type == 1 &&
1915        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1916      buff = cmd;
1917    }
1918
1919    if(!buff) {
1920        owl_function_error("I don't know how to reply to that message.");
1921        return;
1922    }
1923
1924    if (enter) {
1925      owl_history *hist = owl_global_get_cmd_history(&g);
1926      owl_history_store(hist, buff, false);
1927      owl_function_command_norv(buff);
1928    } else {
1929      owl_function_start_command(buff);
1930    }
1931    g_free(buff);
1932  }
1933}
1934
1935void owl_function_zlocate(int argc, const char *const *argv, int auth)
1936{
1937  owl_fmtext fm;
1938  char *ptr;
1939  char *result;
1940  int i;
1941
1942  owl_fmtext_init_null(&fm);
1943
1944  for (i=0; i<argc; i++) {
1945    ptr = long_zuser(argv[i]);
1946    result = owl_zephyr_zlocate(ptr, auth);
1947    owl_fmtext_append_normal(&fm, result);
1948    g_free(result);
1949    g_free(ptr);
1950  }
1951
1952  owl_function_popless_fmtext(&fm);
1953  owl_fmtext_cleanup(&fm);
1954}
1955
1956void owl_callback_command(owl_editwin *e, bool success)
1957{
1958  if (!success) return;
1959  char *rv;
1960  const char *line = owl_editwin_get_text(e);
1961
1962  rv = owl_function_command(line);
1963   if (rv) {
1964    owl_function_makemsg("%s", rv);
1965    g_free(rv);
1966  }
1967}
1968
1969owl_editwin *owl_function_start_command(const char *line)
1970{
1971  owl_editwin *tw;
1972  owl_context *ctx;
1973
1974  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1975
1976  owl_editwin_set_locktext(tw, "command: ");
1977
1978  owl_editwin_insert_string(tw, line);
1979
1980  ctx = owl_editcontext_new(OWL_CTX_EDITLINE, tw, "editline",
1981                            owl_global_deactivate_editcontext, &g);
1982  owl_global_push_context_obj(&g, ctx);
1983  owl_editwin_set_callback(tw, owl_callback_command);
1984  return tw;
1985}
1986
1987owl_editwin *owl_function_start_question(const char *line)
1988{
1989  owl_editwin *tw;
1990  owl_context *ctx;
1991
1992  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1993
1994  owl_editwin_set_locktext(tw, line);
1995
1996  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
1997                            owl_global_deactivate_editcontext, &g);
1998  owl_global_push_context_obj(&g, ctx);
1999  return tw;
2000}
2001
2002owl_editwin *owl_function_start_password(const char *line)
2003{
2004  owl_editwin *tw;
2005  owl_context *ctx;
2006
2007  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
2008
2009  owl_editwin_set_echochar(tw, '*');
2010
2011  owl_editwin_set_locktext(tw, line);
2012
2013  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
2014                            owl_global_deactivate_editcontext, &g);
2015  owl_global_push_context_obj(&g, ctx);
2016  return tw;
2017}
2018
2019CALLER_OWN char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
2020{
2021  /* if type == 1 display in a popup
2022   * if type == 2 display an admin messages
2023   * if type == 0 return output
2024   * else display in a popup
2025   */
2026  const char *redirect = " 2>&1 < /dev/null";
2027  char *newbuff;
2028  char *out;
2029  FILE *p;
2030
2031#if OWL_STDERR_REDIR
2032  redirect = " < /dev/null";
2033#endif
2034
2035  if (argc<2) {
2036    owl_function_error("Wrong number of arguments to the exec command");
2037    return NULL;
2038  }
2039
2040  buff = skiptokens(buff, 1);
2041  newbuff = g_strdup_printf("exec%s; %s", redirect, buff);
2042
2043  if (type == OWL_OUTPUT_POPUP) {
2044    owl_popexec_new(newbuff);
2045  } else {
2046    p = popen(newbuff, "r");
2047    out = owl_slurp(p);
2048    pclose(p);
2049   
2050    if (type == OWL_OUTPUT_RETURN) {
2051      g_free(newbuff);
2052      return out;
2053    } else if (type == OWL_OUTPUT_ADMINMSG) {
2054      owl_function_adminmsg(buff, out);
2055    }
2056    g_free(out);
2057  }
2058  g_free(newbuff);
2059  return NULL;
2060}
2061
2062CALLER_OWN char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2063{
2064  /* if type == 1 display in a popup
2065   * if type == 2 display an admin messages
2066   * if type == 0 return output
2067   * else display in a popup
2068   */
2069  char *perlout;
2070
2071  if (argc<2) {
2072    owl_function_error("Wrong number of arguments to perl command");
2073    return NULL;
2074  }
2075
2076  /* consume first token (argv[0]) */
2077  buff = skiptokens(buff, 1);
2078
2079  perlout = owl_perlconfig_execute(buff);
2080  if (perlout) { 
2081    if (type == OWL_OUTPUT_POPUP) {
2082      owl_function_popless_text(perlout);
2083    } else if (type == OWL_OUTPUT_ADMINMSG) {
2084      owl_function_adminmsg(buff, perlout);
2085    } else if (type == OWL_OUTPUT_RETURN) {
2086      return perlout;
2087    }
2088    g_free(perlout);
2089  }
2090  return NULL;
2091}
2092
2093/* Change the filter associated with the current view.
2094 * This also figures out which message in the new filter
2095 * should have the pointer.
2096 */
2097void owl_function_change_currentview_filter(const char *filtname)
2098{
2099  owl_view *v;
2100  owl_filter *f;
2101  int curid=-1, newpos, curmsg;
2102  const owl_message *curm=NULL;
2103
2104  v=owl_global_get_current_view(&g);
2105
2106  curmsg=owl_global_get_curmsg(&g);
2107  if (curmsg==-1) {
2108    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2109  } else {
2110    curm=owl_view_get_element(v, curmsg);
2111    if (curm) {
2112      curid=owl_message_get_id(curm);
2113      owl_view_save_curmsgid(v, curid);
2114    }
2115  }
2116
2117  f=owl_global_get_filter(&g, filtname);
2118  if (!f) {
2119    owl_function_error("Unknown filter %s", filtname);
2120    return;
2121  }
2122
2123  owl_view_new_filter(v, f);
2124
2125  /* Figure out what to set the current message to.
2126   * - If the view we're leaving has messages in it, go to the closest message
2127   *   to the last message pointed to in that view.
2128   * - If the view we're leaving is empty, try to restore the position
2129   *   from the last time we were in the new view.  */
2130  if (curm) {
2131    newpos = owl_view_get_nearest_to_msgid(v, curid);
2132  } else {
2133    newpos = owl_view_get_nearest_to_saved(v);
2134  }
2135
2136  owl_global_set_curmsg(&g, newpos);
2137  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2138  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2139  owl_global_set_direction_downwards(&g);
2140}
2141
2142/* Create a new filter, or replace an existing one
2143 * with a new definition. Returns true on success.
2144 */
2145bool owl_function_create_filter(int argc, const char *const *argv)
2146{
2147  owl_filter *f;
2148  const owl_view *v;
2149  int inuse = 0;
2150
2151  if (argc < 2) {
2152    owl_function_error("Wrong number of arguments to filter command");
2153    return false;
2154  }
2155
2156  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2157
2158  v=owl_global_get_current_view(&g);
2159
2160  /* don't touch the all filter */
2161  if (!strcmp(argv[1], "all")) {
2162    owl_function_error("You may not change the 'all' filter.");
2163    return false;
2164  }
2165
2166  /* deal with the case of trying change the filter color */
2167  if (argc==4 && !strcmp(argv[2], "-c")) {
2168    f=owl_global_get_filter(&g, argv[1]);
2169    if (!f) {
2170      owl_function_error("The filter '%s' does not exist.", argv[1]);
2171      return false;
2172    }
2173    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2174      owl_function_error("The color '%s' is not available.", argv[3]);
2175      return false;
2176    }
2177    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2178    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2179    return false;
2180  }
2181  if (argc==4 && !strcmp(argv[2], "-b")) {
2182    f=owl_global_get_filter(&g, argv[1]);
2183    if (!f) {
2184      owl_function_error("The filter '%s' does not exist.", argv[1]);
2185      return false;
2186    }
2187    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2188      owl_function_error("The color '%s' is not available.", argv[3]);
2189      return false;
2190    }
2191    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2192    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2193    return true;
2194  }
2195
2196  /* create the filter and check for errors */
2197  f = owl_filter_new(argv[1], argc-2, argv+2);
2198  if (f == NULL) {
2199    owl_function_error("Invalid filter: %s", argv[1]);
2200    return false;
2201  }
2202
2203  /* if the named filter is in use by the current view, remember it */
2204  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2205    inuse=1;
2206  }
2207
2208  /* if the named filter already exists, nuke it */
2209  if (owl_global_get_filter(&g, argv[1])) {
2210    owl_global_remove_filter(&g, argv[1]);
2211  }
2212
2213  /* add the filter */
2214  owl_global_add_filter(&g, f);
2215
2216  /* if it was in use by the current view then update */
2217  if (inuse) {
2218    owl_function_change_currentview_filter(argv[1]);
2219  }
2220  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2221  return true;
2222}
2223
2224/* If 'filtername' does not start with 'not-' create a filter named
2225 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2226 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2227 * 'filtername' begins with 'not-' and a filter 'filtername' already
2228 * exists, then do nothing.  If the filter 'filtername' does not
2229 * exist, create it and define it as 'not filter <filtername>'
2230 *
2231 * Returns the name of the negated filter, which the caller must free.
2232 */
2233CALLER_OWN char *owl_function_create_negative_filter(const char *filtername)
2234{
2235  char *newname;
2236  const owl_filter *tmpfilt;
2237  const char *argv[5];
2238
2239  owl_function_debugmsg("owl_function_create_negative_filter");
2240 
2241  if (!strncmp(filtername, "not-", 4)) {
2242    newname=g_strdup(filtername+4);
2243  } else {
2244    newname=g_strdup_printf("not-%s", filtername);
2245  }
2246
2247  tmpfilt=owl_global_get_filter(&g, newname);
2248  if (!tmpfilt) {
2249    argv[0]="filter"; /* anything is fine here */
2250    argv[1]=newname;
2251    argv[2]="not";
2252    argv[3]="filter";
2253    argv[4]=filtername;
2254    owl_function_create_filter(5, argv);
2255  }
2256
2257  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2258  return(newname);
2259}
2260
2261void owl_function_show_filters(void)
2262{
2263  const owl_filter *f;
2264  GList *fl;
2265  owl_fmtext fm;
2266
2267  owl_fmtext_init_null(&fm);
2268
2269  owl_fmtext_append_bold(&fm, "Filters:\n");
2270
2271  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2272    f = fl->data;
2273    owl_fmtext_append_normal(&fm, "   ");
2274    owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f),
2275                                   owl_filter_get_fgcolor(f),
2276                                   owl_filter_get_bgcolor(f));
2277    owl_fmtext_append_normal(&fm, "\n");
2278  }
2279  owl_function_popless_fmtext(&fm);
2280  owl_fmtext_cleanup(&fm);
2281}
2282
2283void owl_function_show_filter(const char *name)
2284{
2285  const owl_filter *f;
2286  char *buff, *tmp;
2287
2288  f=owl_global_get_filter(&g, name);
2289  if (!f) {
2290    owl_function_error("There is no filter named %s", name);
2291    return;
2292  }
2293  tmp = owl_filter_print(f);
2294  buff = g_strdup_printf("%s: %s", owl_filter_get_name(f), tmp);
2295  owl_function_popless_text(buff);
2296  g_free(buff);
2297  g_free(tmp);
2298}
2299
2300void owl_function_show_zpunts(void)
2301{
2302  const owl_filter *f;
2303  const GPtrArray *fl;
2304  char *tmp;
2305  owl_fmtext fm;
2306  int i;
2307
2308  owl_fmtext_init_null(&fm);
2309
2310  fl=owl_global_get_puntlist(&g);
2311  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2312
2313  for (i = 0; i < fl->len; i++) {
2314    f = fl->pdata[i];
2315    owl_fmtext_appendf_normal(&fm, "[% 2d] ", i+1);
2316    tmp = owl_filter_print(f);
2317    owl_fmtext_append_normal(&fm, tmp);
2318    g_free(tmp);
2319  }
2320  owl_function_popless_fmtext(&fm);
2321  owl_fmtext_cleanup(&fm);
2322}
2323
2324/* Create a filter for a class, instance if one doesn't exist.  If
2325 * instance is NULL then catch all messgaes in the class.  Returns the
2326 * name of the filter or null.  The caller must free this name.
2327 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2328 */
2329CALLER_OWN char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2330{
2331  owl_filter *f;
2332  char *filtname;
2333  char *tmpclass, *tmpinstance = NULL;
2334  char *class, *instance = NULL;
2335  GString *buf;
2336
2337  if (related) {
2338    class = owl_util_baseclass(c);
2339    if (i) {
2340      instance = owl_util_baseclass(i);
2341    }
2342  } else {
2343    class = g_strdup(c);
2344    if (i) {
2345      instance = g_strdup(i);
2346    }
2347  }
2348
2349  /* name for the filter */
2350  if (!instance) {
2351    filtname = g_strdup_printf("%sclass-%s", related ? "related-" : "", class);
2352  } else {
2353    filtname = g_strdup_printf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2354  }
2355  /* downcase it */
2356  {
2357    char *temp = g_utf8_strdown(filtname, -1);
2358    if (temp) {
2359      g_free(filtname);
2360      filtname = temp;
2361    }
2362  }
2363 
2364  /* if it already exists then go with it.  This lets users override */
2365  if (owl_global_get_filter(&g, filtname)) {
2366    goto done;
2367  }
2368
2369  /* create the new filter */
2370  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2371  if (instance) {
2372    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2373  }
2374
2375  buf = g_string_new("");
2376  owl_string_appendf_quoted(buf,
2377                            related ? "class ^(un)*%q(\\.d)*$" : "class ^%q$",
2378                            tmpclass);
2379
2380  if (tmpinstance) {
2381    owl_string_appendf_quoted(buf,
2382                              related ?
2383                              " and ( instance ^(un)*%q(\\.d)*$ )" :
2384                              " and instance ^%q$",
2385                              tmpinstance);
2386  }
2387  g_free(tmpclass);
2388  g_free(tmpinstance);
2389
2390  f = owl_filter_new_fromstring(filtname, buf->str);
2391  g_string_free(buf, true);
2392  if (f == NULL) {
2393    /* Couldn't make a filter for some reason. Return NULL. */
2394    owl_function_error("Error creating filter '%s'", filtname);
2395    g_free(filtname);
2396    filtname = NULL;
2397    goto done;
2398  }
2399
2400  /* add it to the global list */
2401  owl_global_add_filter(&g, f);
2402
2403done:
2404  g_free(class);
2405  g_free(instance);
2406  return(filtname);
2407}
2408
2409/* Create a filter for personal zephyrs to or from the specified
2410 * zephyr user.  Includes login/logout notifications for the user.
2411 * The name of the filter will be 'user-<shortuser>'.  If a filter already
2412 * exists with this name, no new filter will be created.  This allows
2413 * the configuration to override this function.  Returns the name of
2414 * the filter, which the caller must free.
2415 */
2416CALLER_OWN char *owl_function_zuserfilt(const char *longuser)
2417{
2418  owl_filter *f;
2419  char *argbuff, *esclonguser, *shortuser, *filtname;
2420
2421  /* name for the filter */
2422  shortuser = short_zuser(longuser);
2423  filtname = g_strdup_printf("user-%s", shortuser);
2424  g_free(shortuser);
2425
2426  /* if it already exists then go with it.  This lets users override */
2427  if (owl_global_get_filter(&g, filtname)) {
2428    return filtname;
2429  }
2430
2431  /* create the new-internal filter */
2432  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2433
2434  argbuff=owl_string_build_quoted("( type ^zephyr$ and filter personal and "
2435      "( ( direction ^in$ and sender ^%q$ ) or ( direction ^out$ and "
2436      "recipient ^%q$ ) ) ) or ( ( class ^login$ ) and ( sender ^%q$ ) )",
2437      esclonguser, esclonguser, esclonguser);
2438  g_free(esclonguser);
2439
2440  f = owl_filter_new_fromstring(filtname, argbuff);
2441  g_free(argbuff);
2442
2443  if (f == NULL) {
2444    /* Couldn't make a filter for some reason. Return NULL. */
2445    owl_function_error("Error creating filter '%s'", filtname);
2446    g_free(filtname);
2447    return NULL;
2448  }
2449
2450  /* add it to the global list */
2451  owl_global_add_filter(&g, f);
2452
2453  return(filtname);
2454}
2455
2456/* Create a filter for AIM IM messages to or from the specified
2457 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2458 * filter already exists with this name, no new filter will be
2459 * created.  This allows the configuration to override this function.
2460 * Returns the name of the filter, which the caller must free.
2461 */
2462CALLER_OWN char *owl_function_aimuserfilt(const char *user)
2463{
2464  owl_filter *f;
2465  char *argbuff, *filtname;
2466  char *escuser;
2467
2468  /* name for the filter */
2469  filtname=g_strdup_printf("aimuser-%s", user);
2470
2471  /* if it already exists then go with it.  This lets users override */
2472  if (owl_global_get_filter(&g, filtname)) {
2473    return filtname;
2474  }
2475
2476  /* create the new-internal filter */
2477  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2478
2479  argbuff = g_strdup_printf(
2480      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2481      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2482      escuser, owl_global_get_aim_screenname_for_filters(&g));
2483  g_free(escuser);
2484
2485  f = owl_filter_new_fromstring(filtname, argbuff);
2486  g_free(argbuff);
2487
2488  if (f == NULL) {
2489    owl_function_error("Error creating filter '%s'", filtname);
2490    g_free(filtname);
2491    return NULL;
2492  }
2493
2494  /* add it to the global list */
2495  owl_global_add_filter(&g, f);
2496
2497  return(filtname);
2498}
2499
2500CALLER_OWN char *owl_function_typefilt(const char *type)
2501{
2502  owl_filter *f;
2503  char *argbuff, *filtname, *esctype;
2504
2505  /* name for the filter */
2506  filtname=g_strdup_printf("type-%s", type);
2507
2508  /* if it already exists then go with it.  This lets users override */
2509  if (owl_global_get_filter(&g, filtname)) {
2510    return filtname;
2511  }
2512
2513  /* create the new-internal filter */
2514  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2515
2516  argbuff = owl_string_build_quoted("type ^%q$", esctype);
2517  g_free(esctype);
2518
2519  f = owl_filter_new_fromstring(filtname, argbuff);
2520  g_free(argbuff);
2521
2522  if (f == NULL) {
2523    owl_function_error("Error creating filter '%s'", filtname);
2524    g_free(filtname);
2525    return NULL;
2526  }
2527
2528  /* add it to the global list */
2529  owl_global_add_filter(&g, f);
2530
2531  return filtname;
2532}
2533
2534/* If flag is 1, marks for deletion.  If flag is 0,
2535 * unmarks for deletion. */
2536void owl_function_delete_curview_msgs(int flag)
2537{
2538  const owl_view *v;
2539  int i, j;
2540
2541  v=owl_global_get_current_view(&g);
2542  j=owl_view_get_size(v);
2543  for (i=0; i<j; i++) {
2544    if (flag == 1) {
2545      owl_message_mark_delete(owl_view_get_element(v, i));
2546    } else if (flag == 0) {
2547      owl_message_unmark_delete(owl_view_get_element(v, i));
2548    }
2549  }
2550
2551  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2552
2553  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2554}
2555
2556static CALLER_OWN char *owl_function_smartfilter_cc(const owl_message *m)
2557{
2558  const char *ccs;
2559  char *ccs_quoted;
2560  char *filtname;
2561  owl_filter *f;
2562  GString *buf;
2563
2564  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2565
2566  filtname = g_strdup_printf("conversation-%s", ccs);
2567  g_strdelimit(filtname, " ", '-');
2568
2569  if (owl_global_get_filter(&g, filtname)) {
2570    return filtname;
2571  }
2572
2573  buf = g_string_new("type ^zephyr$ and filter personal and "
2574                     "zephyr_ccs ^");
2575  ccs_quoted = owl_text_quote(ccs, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2576  owl_string_append_quoted_arg(buf, ccs_quoted);
2577  g_string_append_c(buf, '$');
2578  g_free(ccs_quoted);
2579
2580  f = owl_filter_new_fromstring(filtname, buf->str);
2581  g_string_free(buf, true);
2582
2583  if (f == NULL) {
2584    owl_function_error("Error creating filter '%s'", filtname);
2585    g_free(filtname);
2586    return NULL;
2587  }
2588
2589  owl_global_add_filter(&g, f);
2590
2591  return filtname;
2592}
2593
2594/* Create a filter based on the current message.  Returns the name of
2595 * a filter or null.  The caller must free this name.
2596 *
2597 * if the curmsg is a personal zephyr return a filter name
2598 *    to the zephyr conversation with that user.
2599 * If the curmsg is a zephyr class message, instance foo, recip *,
2600 *    return a filter name to the class, inst.
2601 * If the curmsg is a zephyr class message and type==0 then
2602 *    return a filter name for just the class.
2603 * If the curmsg is a zephyr class message and type==1 then
2604 *    return a filter name for the class and instance.
2605 * If the curmsg is a personal AIM message returna  filter
2606 *    name to the AIM conversation with that user
2607 */
2608CALLER_OWN char *owl_function_smartfilter(int type, int invert_related)
2609{
2610  const owl_view *v;
2611  const owl_message *m;
2612  char *filtname = NULL;
2613  const char *argv[2], *zperson;
2614  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2615
2616  v=owl_global_get_current_view(&g);
2617  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2618
2619  if (!m || owl_view_get_size(v)==0) {
2620    owl_function_error("No message selected\n");
2621    return(NULL);
2622  }
2623
2624  /* very simple handling of admin messages for now */
2625  if (owl_message_is_type_admin(m)) {
2626    return(owl_function_typefilt("admin"));
2627  }
2628
2629  /* very simple handling of loopback messages for now */
2630  if (owl_message_is_type_loopback(m)) {
2631    return(owl_function_typefilt("loopback"));
2632  }
2633
2634  /* aim messages */
2635  if (owl_message_is_type_aim(m)) {
2636    if (owl_message_is_direction_in(m)) {
2637      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2638    } else if (owl_message_is_direction_out(m)) {
2639      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2640    }
2641    return(filtname);
2642  }
2643
2644  /* narrow personal and login messages to the sender or recip as appropriate */
2645  if (owl_message_is_type_zephyr(m)) {
2646    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2647      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2648        return owl_function_smartfilter_cc(m);
2649      }
2650
2651      if (owl_message_is_direction_in(m)) {
2652        zperson = owl_message_get_sender(m);
2653      } else {
2654        zperson = owl_message_get_recipient(m);
2655      }
2656      filtname = owl_function_zuserfilt(zperson);
2657      return filtname;
2658    }
2659
2660    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2661    if (!strcasecmp(owl_message_get_class(m), "message")) {
2662      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2663      return(filtname);
2664    }
2665
2666    /* otherwise narrow to the class */
2667    if (type==0) {
2668      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2669    } else if (type==1) {
2670      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2671    }
2672    return(filtname);
2673  }
2674
2675  /* pass it off to perl */
2676  argv[0] = type ? "1" : "0";
2677  argv[1] = related ? "1" : "0";
2678  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2679}
2680
2681void owl_function_smartzpunt(int type)
2682{
2683  /* Starts a zpunt command based on the current class,instance pair.
2684   * If type=0, uses just class.  If type=1, uses instance as well. */
2685  const owl_view *v;
2686  const owl_message *m;
2687  const char *mclass, *minst;
2688  GString *buf;
2689 
2690  v=owl_global_get_current_view(&g);
2691  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2692
2693  if (!m || owl_view_get_size(v)==0) {
2694    owl_function_error("No message selected\n");
2695    return;
2696  }
2697
2698  /* for now we skip admin messages. */
2699  if (owl_message_is_type_admin(m)
2700      || owl_message_is_loginout(m)
2701      || !owl_message_is_type_zephyr(m)) {
2702    owl_function_error("smartzpunt doesn't support this message type.");
2703    return;
2704  }
2705
2706  mclass = owl_message_get_class(m);
2707  minst = owl_message_get_instance(m);
2708  if (!mclass || !*mclass || *mclass==' '
2709      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2710      || (type && (!minst || !*minst|| *minst==' '))) {
2711    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2712                         mclass, minst);
2713  } else {
2714    buf = g_string_new("start-command zpunt ");
2715    owl_string_append_quoted_arg(buf, mclass);
2716    if (type) {
2717      g_string_append_c(buf, ' ');
2718      owl_string_append_quoted_arg(buf, minst);
2719    } else {
2720      g_string_append(buf, " *");
2721    }
2722    owl_function_command_norv(buf->str);
2723    g_string_free(buf, true);
2724  }
2725}
2726
2727/* Set the color of the current view's filter to
2728 * be 'color'
2729 */
2730void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2731{
2732  const char *name;
2733
2734  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2735  owl_function_color_filter(name, fgcolor, bgcolor);
2736}
2737
2738/* Set the color of the filter 'filter' to be 'color'.  If the color
2739 * name does not exist, return -1, if the filter does not exist or is
2740 * the "all" filter, return -2.  Return 0 on success
2741 */
2742int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2743{
2744  owl_filter *f;
2745
2746  f=owl_global_get_filter(&g, filtname);
2747  if (!f) {
2748    owl_function_error("Unknown filter");
2749    return(-2);
2750  }
2751
2752  /* don't touch the all filter */
2753  if (!strcmp(filtname, "all")) {
2754    owl_function_error("You may not change the 'all' filter.");
2755    return(-2);
2756  }
2757
2758  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2759    owl_function_error("No color named '%s' avilable.", fgcolor);
2760    return(-1);
2761  }
2762
2763
2764  if (bgcolor != NULL) {
2765    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2766      owl_function_error("No color named '%s' avilable.", bgcolor);
2767      return(-1);
2768    }
2769    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2770  }
2771  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2772 
2773  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2774  return(0);
2775}
2776
2777void owl_function_show_colors(void)
2778{
2779  owl_fmtext fm;
2780  int i; 
2781 
2782  owl_fmtext_init_null(&fm);
2783  owl_fmtext_append_normal(&fm,"default:  ");
2784  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2785
2786  owl_fmtext_append_normal(&fm,"black:    ");
2787  owl_fmtext_append_normal_color(&fm, "black\n", OWL_COLOR_BLACK, OWL_COLOR_DEFAULT);
2788
2789  owl_fmtext_append_normal(&fm,"red:      ");
2790  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2791
2792  owl_fmtext_append_normal(&fm,"green:    ");
2793  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2794
2795  owl_fmtext_append_normal(&fm,"yellow:   ");
2796  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2797
2798  owl_fmtext_append_normal(&fm,"blue:     ");
2799  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2800
2801  owl_fmtext_append_normal(&fm,"magenta:  ");
2802  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2803
2804  owl_fmtext_append_normal(&fm,"cyan:     ");
2805  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2806
2807  owl_fmtext_append_normal(&fm,"white:    ");
2808  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2809
2810  for(i = 8; i < COLORS; ++i) {
2811    char* str1 = g_strdup_printf("%4i:     ",i);
2812    char* str2 = g_strdup_printf("%i\n",i);
2813    owl_fmtext_append_normal(&fm,str1);
2814    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2815    g_free(str1);
2816     g_free(str2);
2817  }
2818 
2819  owl_function_popless_fmtext(&fm);
2820  owl_fmtext_cleanup(&fm);
2821}
2822
2823/* add the given class, inst, recip to the punt list for filtering.
2824 *   if direction==0 then punt
2825 *   if direction==1 then unpunt
2826 */
2827void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2828{
2829  GPtrArray *argv;
2830  char *quoted;
2831
2832  argv = g_ptr_array_new();
2833  if (!strcmp(class, "*")) {
2834    g_ptr_array_add(argv, g_strdup("class"));
2835    g_ptr_array_add(argv, g_strdup(".*"));
2836  } else {
2837    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2838    g_ptr_array_add(argv, g_strdup("class"));
2839    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2840    g_free(quoted);
2841  }
2842  if (!strcmp(inst, "*")) {
2843    g_ptr_array_add(argv, g_strdup("and"));
2844    g_ptr_array_add(argv, g_strdup("instance"));
2845    g_ptr_array_add(argv, g_strdup(".*"));
2846  } else {
2847    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2848    g_ptr_array_add(argv, g_strdup("and"));
2849    g_ptr_array_add(argv, g_strdup("instance"));
2850    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2851    g_free(quoted);
2852  }
2853  if (!strcmp(recip, "*")) {
2854    /* nothing */
2855  } else {
2856    if(!strcmp(recip, "%me%")) {
2857      recip = owl_zephyr_get_sender();
2858    }
2859    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2860    g_ptr_array_add(argv, g_strdup("and"));
2861    g_ptr_array_add(argv, g_strdup("recipient"));
2862    g_ptr_array_add(argv, g_strdup_printf("^%s$", quoted));
2863    g_free(quoted);
2864  }
2865
2866  owl_function_punt(argv->len, (const char *const*) argv->pdata, direction);
2867  owl_ptr_array_free(argv, g_free);
2868}
2869
2870void owl_function_punt(int argc, const char *const *argv, int direction)
2871{
2872  owl_filter *f;
2873  GPtrArray *fl;
2874  int i;
2875  fl=owl_global_get_puntlist(&g);
2876
2877  /* first, create the filter */
2878  f = owl_filter_new("punt-filter", argc, argv);
2879  if (f == NULL) {
2880    owl_function_error("Error creating filter for zpunt");
2881    return;
2882  }
2883
2884  /* Check for an identical filter */
2885  for (i = 0; i < fl->len; i++) {
2886    if (owl_filter_equiv(f, fl->pdata[i])) {
2887      owl_function_debugmsg("found an equivalent punt filter");
2888      /* if we're punting, then just silently bow out on this duplicate */
2889      if (direction==0) {
2890        owl_filter_delete(f);
2891        return;
2892      }
2893
2894      /* if we're unpunting, then remove this filter from the puntlist */
2895      if (direction==1) {
2896        owl_filter_delete(g_ptr_array_remove_index(fl, i));
2897        owl_filter_delete(f);
2898        return;
2899      }
2900    }
2901  }
2902
2903  if (direction == 0) {
2904    owl_function_debugmsg("punting");
2905    /* If we're punting, add the filter to the global punt list */
2906    g_ptr_array_add(fl, f);
2907  } else if (direction == 1) {
2908    owl_function_makemsg("No matching punt filter");
2909 }
2910}
2911
2912void owl_function_show_keymaps(void)
2913{
2914  GPtrArray *l;
2915  owl_fmtext fm;
2916  const owl_keymap *km;
2917  const owl_keyhandler *kh;
2918  int i;
2919  const char *kmname;
2920
2921  kh = owl_global_get_keyhandler(&g);
2922  owl_fmtext_init_null(&fm);
2923  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2924  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2925  l = owl_keyhandler_get_keymap_names(kh);
2926  owl_fmtext_append_list(&fm, l, "\n", owl_function_keymap_summary);
2927  owl_fmtext_append_normal(&fm, "\n");
2928
2929  for (i = 0; i < l->len; i++) {
2930    kmname = l->pdata[i];
2931    km = owl_keyhandler_get_keymap(kh, kmname);
2932    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2933    owl_keymap_get_details(km, &fm, 0);
2934  }
2935  owl_fmtext_append_normal(&fm, "\n");
2936 
2937  owl_function_popless_fmtext(&fm);
2938  owl_ptr_array_free(l, g_free);
2939  owl_fmtext_cleanup(&fm);
2940}
2941
2942CALLER_OWN char *owl_function_keymap_summary(const char *name)
2943{
2944  const owl_keymap *km
2945    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2946  if (km) return owl_keymap_summary(km);
2947  else return(NULL);
2948}
2949
2950/* TODO: implement for real */
2951void owl_function_show_keymap(const char *name)
2952{
2953  owl_fmtext fm;
2954  const owl_keymap *km;
2955
2956  owl_fmtext_init_null(&fm);
2957  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2958  if (km) {
2959    owl_keymap_get_details(km, &fm, 1);
2960  } else {
2961    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2962  } 
2963  owl_function_popless_fmtext(&fm);
2964  owl_fmtext_cleanup(&fm);
2965}
2966
2967void owl_function_help_for_command(const char *cmdname)
2968{
2969  owl_fmtext fm;
2970
2971  owl_fmtext_init_null(&fm);
2972  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2973  owl_function_popless_fmtext(&fm); 
2974  owl_fmtext_cleanup(&fm);
2975}
2976
2977void owl_function_set_search(const char *string)
2978{
2979  owl_regex re;
2980
2981  if (string && owl_regex_create_quoted(&re, string) == 0) {
2982    owl_global_set_search_re(&g, &re);
2983    owl_regex_cleanup(&re);
2984  } else {
2985    owl_global_set_search_re(&g, NULL);
2986  }
2987}
2988
2989void owl_function_search_helper(int consider_current, int direction)
2990{
2991  /* move to a message that contains the string.  If direction is
2992   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2993   * OWL_DIRECTION_UPWARDS then search backwards.
2994   *
2995   * If consider_current is true then it will stay on the
2996   * current message if it contains the string.
2997   */
2998
2999  const owl_view *v;
3000  int viewsize, i, curmsg, start;
3001  owl_message *m;
3002
3003  v=owl_global_get_current_view(&g);
3004  viewsize=owl_view_get_size(v);
3005  curmsg=owl_global_get_curmsg(&g);
3006 
3007  if (viewsize==0) {
3008    owl_function_makemsg("No messages present");
3009    return;
3010  }
3011
3012  if (consider_current) {
3013    start=curmsg;
3014  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3015    start=curmsg+1;
3016  } else {
3017    start=curmsg-1;
3018  }
3019
3020  /* bounds check */
3021  if (start>=viewsize || start<0) {
3022    owl_function_makemsg("No further matches found");
3023    return;
3024  }
3025
3026  for (i=start; i<viewsize && i>=0;) {
3027    m=owl_view_get_element(v, i);
3028    if (owl_message_search(m, owl_global_get_search_re(&g))) {
3029      owl_global_set_curmsg(&g, i);
3030      owl_function_calculate_topmsg(direction);
3031      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3032      if (direction==OWL_DIRECTION_DOWNWARDS) {
3033        owl_global_set_direction_downwards(&g);
3034      } else {
3035        owl_global_set_direction_upwards(&g);
3036      }
3037      return;
3038    }
3039    if (direction==OWL_DIRECTION_DOWNWARDS) {
3040      i++;
3041    } else {
3042      i--;
3043    }
3044    if (owl_global_take_interrupt(&g)) {
3045      owl_function_makemsg("Search interrupted!");
3046      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3047      return;
3048    }
3049  }
3050  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3051  owl_function_makemsg("No matches found");
3052}
3053
3054/* strips formatting from ztext and returns the unformatted text.
3055 * caller is responsible for freeing. */
3056CALLER_OWN char *owl_function_ztext_stylestrip(const char *zt)
3057{
3058  owl_fmtext fm;
3059  char *plaintext;
3060
3061  owl_fmtext_init_null(&fm);
3062  owl_fmtext_append_ztext(&fm, zt);
3063  plaintext = owl_fmtext_print_plain(&fm);
3064  owl_fmtext_cleanup(&fm);
3065  return(plaintext);
3066}
3067
3068/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3069void owl_function_buddylist(int aim, int zephyr, const char *filename)
3070{
3071  int i, j, idle;
3072  int interrupted = 0;
3073  owl_fmtext fm;
3074  const owl_buddylist *bl;
3075  const owl_buddy *b;
3076  char *timestr;
3077#ifdef HAVE_LIBZEPHYR
3078  int x;
3079  GPtrArray *anyone;
3080  const char *user;
3081  char *tmp;
3082  ZLocations_t location[200];
3083  int numlocs, ret;
3084#endif
3085
3086  owl_fmtext_init_null(&fm);
3087
3088  /* AIM first */
3089  if (aim && owl_global_is_aimloggedin(&g)) {
3090    bl=owl_global_get_buddylist(&g);
3091
3092    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3093    /* we're assuming AIM for now */
3094    j=owl_buddylist_get_size(bl);
3095    for (i=0; i<j; i++) {
3096      b=owl_buddylist_get_buddy_n(bl, i);
3097      idle=owl_buddy_get_idle_time(b);
3098      if (idle!=0) {
3099        timestr=owl_util_format_minutes(idle);
3100      } else {
3101        timestr=g_strdup("");
3102      }
3103      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3104      g_free(timestr);
3105    }
3106  }
3107
3108#ifdef HAVE_LIBZEPHYR
3109  if (zephyr) {
3110    if(!owl_global_is_havezephyr(&g)) {
3111      owl_function_error("Zephyr currently not available.");
3112    } else {
3113      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3114      anyone = owl_zephyr_get_anyone_list(filename);
3115      if (anyone == NULL) {
3116        if (errno == ENOENT) {
3117          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3118          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3119          owl_fmtext_append_bold(  &fm, "<username>");
3120          owl_fmtext_append_normal(&fm, "'.\n");
3121        } else {
3122          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3123        }
3124      } else {
3125        for (i = 0; i < anyone->len; i++) {
3126          user = anyone->pdata[i];
3127          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3128
3129          if (owl_global_take_interrupt(&g)) {
3130            interrupted = 1;
3131            owl_function_makemsg("Interrupted!");
3132            break;
3133          }
3134
3135          if (ret!=ZERR_NONE) {
3136            owl_function_error("Error getting location for %s", user);
3137            continue;
3138          }
3139
3140          numlocs=200;
3141          ret=ZGetLocations(location, &numlocs);
3142          if (ret==0) {
3143            for (x=0; x<numlocs; x++) {
3144              tmp=short_zuser(user);
3145              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3146                                        tmp,
3147                                        location[x].host,
3148                                        location[x].tty,
3149                                        location[x].time);
3150              g_free(tmp);
3151            }
3152            if (numlocs>=200) {
3153              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3154            }
3155          }
3156        }
3157      }
3158      owl_ptr_array_free(anyone, g_free);
3159    }
3160  }
3161#endif
3162
3163  if (aim && zephyr) {
3164    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3165      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3166      if (perlblist) {
3167        owl_fmtext_append_ztext(&fm, perlblist);
3168        g_free(perlblist);
3169      }
3170    }
3171  }
3172
3173  if(!interrupted) {
3174    owl_function_popless_fmtext(&fm);
3175  }
3176  owl_fmtext_cleanup(&fm);
3177}
3178
3179/* Dump messages in the current view to the file 'filename'. */
3180void owl_function_dump(const char *filename) 
3181{
3182  int i, j;
3183  owl_message *m;
3184  const owl_view *v;
3185  FILE *file;
3186  char *plaintext;
3187
3188  v=owl_global_get_current_view(&g);
3189
3190  /* in the future make it ask yes/no */
3191  /*
3192  ret=stat(filename, &sbuf);
3193  if (!ret) {
3194    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3195    if (!ret) return;
3196  }
3197  */
3198
3199  file=fopen(filename, "w");
3200  if (!file) {
3201    owl_function_error("Error opening file");
3202    return;
3203  }
3204
3205  j=owl_view_get_size(v);
3206  for (i=0; i<j; i++) {
3207    m=owl_view_get_element(v, i);
3208    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3209    if (plaintext) {
3210      fputs(plaintext, file);
3211      g_free(plaintext);
3212    }
3213  }
3214  fclose(file);
3215  owl_function_makemsg("Messages dumped to %s", filename);
3216}
3217
3218void owl_function_do_newmsgproc(void)
3219{
3220  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3221    /* if there's a process out there, we need to check on it */
3222    if (owl_global_get_newmsgproc_pid(&g)) {
3223      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3224      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3225      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3226      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3227        /* it exited */
3228        owl_global_set_newmsgproc_pid(&g, 0);
3229        owl_function_debugmsg("newmsgproc exited");
3230      } else {
3231        owl_function_debugmsg("newmsgproc did not exit");
3232      }
3233    }
3234   
3235    /* if it exited, spawn a new one */
3236    if (owl_global_get_newmsgproc_pid(&g)==0) {
3237      int myargc;
3238      char **argv = owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3239      if (myargc < 0) {
3240        owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?",
3241                              owl_global_get_newmsgproc(&g));
3242      } else if (myargc > 0) {
3243        /* Spawn the child. */
3244        GPid pid;
3245        GError *error = NULL;
3246        owl_function_debugmsg("About to exec \"%s\" with %d arguments", argv[0], myargc);
3247        if (g_spawn_async(NULL, argv, NULL,
3248                          G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
3249                          NULL, NULL, &pid, &error)) {
3250          owl_global_set_newmsgproc_pid(&g, pid);
3251          owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", pid);
3252        } else {
3253          owl_function_debugmsg("Cannot run newmsgproc '%s': %s",
3254                                owl_global_get_newmsgproc(&g), error->message);
3255          g_error_free(error);
3256        }
3257      }
3258      g_strfreev(argv);
3259    }
3260  }
3261}
3262
3263/* print the xterm escape sequence to raise the window */
3264void owl_function_xterm_raise(void)
3265{
3266  printf("\033[5t");
3267}
3268
3269/* print the xterm escape sequence to deiconify the window */
3270void owl_function_xterm_deiconify(void)
3271{
3272  printf("\033[1t");
3273}
3274
3275/* Add the specified command to the startup file.  Eventually this
3276 * should be clever, and rewriting settings that will obviosly
3277 * override earlier settings with 'set' 'bindkey' and 'alias'
3278 * commands.  For now though we just remove any line that would
3279 * duplicate this one and then append this line to the end of
3280 * startupfile.
3281 */
3282void owl_function_addstartup(const char *buff)
3283{
3284  FILE *file;
3285  const char *filename;
3286
3287  filename=owl_global_get_startupfile(&g);
3288
3289  /* delete earlier copies, if the file exists */
3290  if (g_file_test(filename, G_FILE_TEST_EXISTS))
3291    owl_util_file_deleteline(filename, buff, 1);
3292
3293  file=fopen(filename, "a");
3294  if (!file) {
3295    owl_function_error("Error opening startupfile for new command");
3296    return;
3297  }
3298
3299  /* add this line */
3300  fprintf(file, "%s\n", buff);
3301
3302  fclose(file);
3303}
3304
3305/* Remove the specified command from the startup file. */
3306void owl_function_delstartup(const char *buff)
3307{
3308  const char *filename;
3309  filename=owl_global_get_startupfile(&g);
3310  owl_util_file_deleteline(filename, buff, 1);
3311}
3312
3313/* Execute owl commands from the given filename.  If the filename
3314 * is NULL, use the default owl startup commands file.
3315 */
3316void owl_function_source(const char *filename)
3317{
3318  char *path;
3319  FILE *file;
3320  char *s = NULL;
3321  int fail_silent = 0;
3322
3323  if (!filename) {
3324    fail_silent = 1;
3325    path = g_strdup(owl_global_get_startupfile(&g));
3326  } else {
3327    path = owl_util_makepath(filename);
3328  }
3329  file = fopen(path, "r");
3330  g_free(path);
3331  if (!file) {
3332    if (!fail_silent) {
3333      owl_function_error("Error opening file: %s", filename);
3334    }
3335    return;
3336  }
3337  while (owl_getline_chomp(&s, file)) {
3338    if (s[0] == '\0' || s[0] == '#')
3339      continue;
3340    owl_function_command_norv(s);
3341  }
3342
3343  g_free(s);
3344  fclose(file);
3345}
3346
3347void owl_function_change_style(owl_view *v, const char *stylename)
3348{
3349  const owl_style *s;
3350
3351  s=owl_global_get_style_by_name(&g, stylename);
3352  if (!s) {
3353    owl_function_error("No style named %s", stylename);
3354    return;
3355  }
3356  owl_view_set_style(v, s);
3357  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3358  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3359  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3360}
3361
3362void owl_function_toggleoneline(void)
3363{
3364  owl_view *v;
3365  const owl_style *s;
3366
3367  v=owl_global_get_current_view(&g);
3368  s=owl_view_get_style(v);
3369
3370  if (!owl_style_matches_name(s, "oneline")) {
3371    owl_function_change_style(v, "oneline");
3372  } else {
3373    owl_function_change_style(v, owl_global_get_default_style(&g));
3374  }
3375
3376  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3377  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3378  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3379}
3380
3381void G_GNUC_PRINTF(1, 2) owl_function_error(const char *fmt, ...)
3382{
3383  static int in_error = 0;
3384  va_list ap;
3385  char *buff;
3386  const char *nl;
3387
3388  if (++in_error > 2) {
3389    /* More than two nested errors, bail immediately. */
3390    in_error--;
3391    return;
3392  }
3393
3394  va_start(ap, fmt);
3395  buff = g_strdup_vprintf(fmt, ap);
3396  va_end(ap);
3397
3398  owl_function_debugmsg("ERROR: %s", buff);
3399  owl_function_log_err(buff);
3400
3401  nl = strchr(buff, '\n');
3402
3403  /*
3404    Showing admin messages triggers a lot of code. If we have a
3405    recursive error call, that's the most likely candidate, so
3406    suppress the call in that case, to try to avoid infinite looping.
3407  */
3408
3409  if(nl && *(nl + 1) && in_error == 1) {
3410    /* Multiline error */
3411    owl_function_adminmsg("ERROR", buff);
3412  } else {
3413    owl_function_makemsg("[Error] %s", buff);
3414  }
3415
3416  g_free(buff);
3417
3418  in_error--;
3419}
3420
3421void owl_function_log_err(const char *string)
3422{
3423  char *date;
3424  time_t now;
3425  char *buff;
3426
3427  now = time(NULL);
3428  date = owl_util_format_time(localtime(&now));
3429
3430  buff = g_strdup_printf("%s %s", date, string);
3431
3432  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3433
3434  g_free(buff);
3435  g_free(date);
3436}
3437
3438void owl_function_showerrs(void)
3439{
3440  owl_fmtext fm;
3441
3442  owl_fmtext_init_null(&fm);
3443  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3444  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3445  owl_function_popless_fmtext(&fm);
3446}
3447
3448void G_GNUC_PRINTF(1, 2) owl_function_makemsg(const char *fmt, ...)
3449{
3450  va_list ap;
3451  char *str;
3452
3453  va_start(ap, fmt);
3454  str = g_strdup_vprintf(fmt, ap);
3455  va_end(ap);
3456
3457  owl_function_debugmsg("makemsg: %s", str);
3458  owl_msgwin_set_text_nocopy(&g.msgwin, str);
3459}
3460
3461/* get locations for everyone in .anyone.  If 'notify' is '1' then
3462 * send a pseudo login or logout message for everyone not in sync with
3463 * the global zephyr buddy list.  The list is updated regardless of
3464 * the status of 'notify'.
3465 */
3466void owl_function_zephyr_buddy_check(int notify)
3467{
3468#ifdef HAVE_LIBZEPHYR
3469  int i;
3470  GPtrArray *anyone;
3471  GList **zaldlist;
3472  GList *zaldptr;
3473  ZAsyncLocateData_t *zald;
3474  const char *user;
3475
3476  if (!owl_global_is_havezephyr(&g)) return;
3477  owl_global_set_pseudologin_notify(&g, notify);
3478  zaldlist = owl_global_get_zaldlist(&g);
3479
3480  /* Clear the existing ZALDs first. */
3481  zaldptr = g_list_first(*zaldlist);
3482  while (zaldptr) {
3483    ZFreeALD(zaldptr->data);
3484    g_free(zaldptr->data);
3485    zaldptr = g_list_next(zaldptr);
3486  }
3487  g_list_free(*zaldlist);
3488  *zaldlist = NULL;
3489
3490  anyone = owl_zephyr_get_anyone_list(NULL);
3491  if (anyone != NULL) {
3492    for (i = 0; i < anyone->len; i++) {
3493      user = anyone->pdata[i];
3494      zald = g_new(ZAsyncLocateData_t, 1);
3495      if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3496        *zaldlist = g_list_append(*zaldlist, zald);
3497      } else {
3498        g_free(zald);
3499      }
3500    }
3501    owl_ptr_array_free(anyone, g_free);
3502  }
3503#endif
3504}
3505
3506void owl_function_aimsearch_results(const char *email, GPtrArray *namelist)
3507{
3508  owl_fmtext fm;
3509  int i;
3510
3511  owl_fmtext_init_null(&fm);
3512  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3513  owl_fmtext_append_normal(&fm, email);
3514  owl_fmtext_append_normal(&fm, ":\n");
3515
3516  for (i = 0; i < namelist->len; i++) {
3517    owl_fmtext_append_normal(&fm, "  ");
3518    owl_fmtext_append_normal(&fm, namelist->pdata[i]);
3519    owl_fmtext_append_normal(&fm, "\n");
3520  }
3521
3522  owl_function_popless_fmtext(&fm);
3523  owl_fmtext_cleanup(&fm);
3524}
3525
3526int owl_function_get_color_count(void)
3527{
3528     return COLORS;
3529}
3530
3531void _owl_function_mark_message(const owl_message *m)
3532{
3533  if (m) {
3534    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3535    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3536  }
3537}
3538
3539void owl_function_mark_message(void)
3540{
3541  const owl_message *m;
3542  const owl_view *v;
3543
3544  v=owl_global_get_current_view(&g);
3545
3546  /* bail if there's no current message */
3547  if (owl_view_get_size(v) < 1) {
3548    owl_function_error("No messages to mark");
3549    return;
3550  }
3551
3552  /* mark the message */
3553  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3554  _owl_function_mark_message(m);
3555  owl_function_makemsg("Mark set");
3556}
3557
3558void owl_function_swap_cur_marked(void)
3559{
3560  int marked_id;
3561  const owl_message *m;
3562  const owl_view *v;
3563
3564  marked_id=owl_global_get_markedmsgid(&g);
3565  if (marked_id == -1) {
3566    owl_function_error("Mark not set.");
3567    return;
3568  }
3569
3570  v=owl_global_get_current_view(&g);
3571  /* bail if there's no current message */
3572  if (owl_view_get_size(v) < 1) {
3573    return;
3574  }
3575
3576  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3577  _owl_function_mark_message(m);
3578  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3579  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3580  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3581  owl_global_set_direction_downwards(&g);
3582}
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