source: functions.c @ 926c721

Last change on this file since 926c721 was ca1fb26a, checked in by Anders Kaseorg <andersk@mit.edu>, 9 years ago
Be smarter about rebuilding on version number changes Signed-off-by: Anders Kaseorg <andersk@mit.edu>
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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, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1475
1476        /* FIXME make these more descriptive */
1477        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1478        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1479        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1480        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1481
1482        fields=owl_zephyr_get_num_fields(n);
1483        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1484
1485        for (i = 0, f = owl_zephyr_first_raw_field(n); f != NULL;
1486             i++, f = owl_zephyr_next_raw_field(n, f)) {
1487          tmpbuff = owl_zephyr_field_as_utf8(n, f);
1488          tmpbuff2 = owl_text_indent(tmpbuff, 14, false);
1489          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i + 1, tmpbuff2);
1490          g_free(tmpbuff2);
1491          g_free(tmpbuff);
1492        }
1493        tmpbuff = owl_text_indent(n->z_default_format, 14, false);
1494        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", tmpbuff);
1495        g_free(tmpbuff);
1496      }
1497
1498    }
1499#endif
1500  }
1501
1502  owl_fmtext_append_bold(&fm, "\nBarnOwl Message Attributes:\n");
1503  owl_message_attributes_tofmtext(m, &attrfm);
1504  owl_fmtext_append_fmtext(&fm, &attrfm);
1505 
1506  owl_function_popless_fmtext(&fm);
1507  owl_fmtext_cleanup(&fm);
1508  owl_fmtext_cleanup(&attrfm);
1509}
1510
1511/* print the current message in a popup window.
1512 * Use the 'default' style regardless of whatever
1513 * style the user may be using
1514 */
1515void owl_function_curmsg_to_popwin(void)
1516{
1517  const owl_view *v;
1518  const owl_message *m;
1519  const owl_style *s;
1520  owl_fmtext fm;
1521
1522  v=owl_global_get_current_view(&g);
1523  s=owl_global_get_style_by_name(&g, "default");
1524
1525  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1526
1527  if (!m || owl_view_get_size(v)==0) {
1528    owl_function_error("No current message");
1529    return;
1530  }
1531
1532  owl_fmtext_init_null(&fm);
1533  owl_style_get_formattext(s, &fm, m);
1534
1535  owl_function_popless_fmtext(&fm);
1536  owl_fmtext_cleanup(&fm);
1537}
1538
1539void owl_function_page_curmsg(int step)
1540{
1541  /* scroll down or up within the current message IF the message is truncated */
1542
1543  int offset, curmsg, lines;
1544  const owl_view *v;
1545  owl_message *m;
1546
1547  offset=owl_global_get_curmsg_vert_offset(&g);
1548  v=owl_global_get_current_view(&g);
1549  curmsg=owl_global_get_curmsg(&g);
1550  m=owl_view_get_element(v, curmsg);
1551  if (!m || owl_view_get_size(v)==0) return;
1552  lines=owl_message_get_numlines(m);
1553
1554  if (offset==0) {
1555    /* Bail if the curmsg isn't the last one displayed */
1556    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1557      owl_function_makemsg("The entire message is already displayed");
1558      return;
1559    }
1560   
1561    /* Bail if we're not truncated */
1562    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1563      owl_function_makemsg("The entire message is already displayed");
1564      return;
1565    }
1566  }
1567 
1568 
1569  /* don't scroll past the last line */
1570  if (step>0) {
1571    if (offset+step > lines-1) {
1572      owl_global_set_curmsg_vert_offset(&g, lines-1);
1573    } else {
1574      owl_global_set_curmsg_vert_offset(&g, offset+step);
1575    }
1576  }
1577
1578  /* would we be before the beginning of the message? */
1579  if (step<0) {
1580    if (offset+step<0) {
1581      owl_global_set_curmsg_vert_offset(&g, 0);
1582    } else {
1583      owl_global_set_curmsg_vert_offset(&g, offset+step);
1584    }
1585  }
1586 
1587  /* redisplay */
1588  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1589}
1590
1591void owl_function_resize_typwin(int newsize)
1592{
1593  owl_global_set_typwin_lines(&g, newsize);
1594  owl_mainpanel_layout_contents(&g.mainpanel);
1595}
1596
1597void owl_function_mainwin_pagedown(void)
1598{
1599  int i;
1600
1601  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1602  if (i<0) return;
1603  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1604      && (owl_global_get_curmsg(&g) < i)
1605      && (i>0)) {
1606    i--;
1607  }
1608  owl_global_set_curmsg(&g, i);
1609  owl_function_nextmsg();
1610}
1611
1612void owl_function_mainwin_pageup(void)
1613{
1614  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1615  owl_function_prevmsg();
1616}
1617
1618void owl_function_getsubs(void)
1619{
1620  char *buff;
1621
1622  buff=owl_zephyr_getsubs();
1623
1624  if (buff) {
1625    owl_function_popless_text(buff);
1626  } else {
1627    owl_function_popless_text("Error getting subscriptions");
1628  }
1629           
1630  g_free(buff);
1631}
1632
1633void owl_function_printallvars(void)
1634{
1635  const owl_variable *v;
1636  const char *name;
1637  char *var;
1638  GPtrArray *varnames;
1639  int i;
1640  GString *str   = g_string_new("");
1641
1642  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1643  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1644  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1645  for (i = 0; i < varnames->len; i++) {
1646    name = varnames->pdata[i];
1647    if (name && name[0]!='_') {
1648      g_string_append_printf(str, "\n%-20s = ", name);
1649      v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1650      var = owl_variable_get_tostring(v);
1651      if (var) {
1652        g_string_append(str, var);
1653        g_free(var);
1654      } else {
1655        g_string_append(str, "<null>");
1656      }
1657    }
1658  }
1659  g_string_append(str, "\n");
1660  owl_ptr_array_free(varnames, g_free);
1661
1662  owl_function_popless_text(str->str);
1663  g_string_free(str, true);
1664}
1665
1666void owl_function_show_variables(void)
1667{
1668  const owl_variable *v;
1669  GPtrArray *varnames;
1670  owl_fmtext fm; 
1671  int i;
1672  const char *varname;
1673
1674  owl_fmtext_init_null(&fm);
1675  owl_fmtext_append_bold(&fm, 
1676      "Variables: (use 'show variable <name>' for details)\n");
1677  varnames = owl_variable_dict_get_names(owl_global_get_vardict(&g));
1678  for (i = 0; i < varnames->len; i++) {
1679    varname = varnames->pdata[i];
1680    if (varname && varname[0]!='_') {
1681      v = owl_variable_get_var(owl_global_get_vardict(&g), varname);
1682      owl_variable_describe(v, &fm);
1683    }
1684  }
1685  owl_ptr_array_free(varnames, g_free);
1686  owl_function_popless_fmtext(&fm);
1687  owl_fmtext_cleanup(&fm);
1688}
1689
1690void owl_function_show_variable(const char *name)
1691{
1692  const owl_variable *v;
1693  owl_fmtext fm; 
1694
1695  owl_fmtext_init_null(&fm);
1696  v = owl_variable_get_var(owl_global_get_vardict(&g), name);
1697  if (v)
1698    owl_variable_get_help(v, &fm);
1699  else
1700    owl_fmtext_append_normal(&fm, "No such variable...\n");
1701  owl_function_popless_fmtext(&fm);
1702  owl_fmtext_cleanup(&fm);
1703}
1704
1705void owl_function_delete_and_expunge_by_id(int id, bool exclaim_success)
1706{
1707  const owl_messagelist *ml = owl_global_get_msglist(&g);
1708  int msg = owl_messagelist_get_index_by_id(ml, id);
1709  if (msg < 0) {
1710    owl_function_error("No message with id %d: unable to delete", id);
1711  } else {
1712    owl_function_delete_and_expunge_message(msg);
1713    if (exclaim_success)
1714      owl_function_makemsg("Message deleted and expunged");
1715  }
1716}
1717
1718/* note: this applies to global message list, not to view.
1719 * If flag is 1, deletes.  If flag is 0, undeletes. */
1720void owl_function_delete_by_id(int id, int flag)
1721{
1722  const owl_messagelist *ml;
1723  owl_message *m;
1724  ml = owl_global_get_msglist(&g);
1725  m = owl_messagelist_get_by_id(ml, id);
1726  if (m) {
1727    if (flag == 1) {
1728      owl_message_mark_delete(m);
1729    } else if (flag == 0) {
1730      owl_message_unmark_delete(m);
1731    }
1732    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1733  } else {
1734    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1735  }
1736}
1737
1738void owl_function_delete_automsgs(void)
1739{
1740  /* mark for deletion all messages in the current view that match the
1741   * 'trash' filter */
1742
1743  int i, j, count;
1744  owl_message *m;
1745  const owl_view *v;
1746  const owl_filter *f;
1747
1748  /* get the trash filter */
1749  f=owl_global_get_filter(&g, "trash");
1750  if (!f) {
1751    owl_function_error("No trash filter defined");
1752    return;
1753  }
1754
1755  v=owl_global_get_current_view(&g);
1756
1757  count=0;
1758  j=owl_view_get_size(v);
1759  for (i=0; i<j; i++) {
1760    m=owl_view_get_element(v, i);
1761    if (owl_filter_message_match(f, m)) {
1762      count++;
1763      owl_message_mark_delete(m);
1764    }
1765  }
1766  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1767  owl_function_makemsg("%i messages marked for deletion", count);
1768}
1769
1770void owl_function_status(void)
1771{
1772  char *tmpbuff;
1773  char buff[MAXPATHLEN+1];
1774  time_t start;
1775  int up, days, hours, minutes;
1776  owl_fmtext fm;
1777
1778  owl_fmtext_init_null(&fm);
1779
1780  start=owl_global_get_starttime(&g);
1781
1782  owl_fmtext_append_normal(&fm, "General Information:\n");
1783
1784  owl_fmtext_append_normal(&fm, "  Version: ");
1785  owl_fmtext_append_normal(&fm, version);
1786  owl_fmtext_append_normal(&fm, "\n");
1787
1788  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1789  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1790  owl_fmtext_append_normal(&fm, "\n");
1791
1792  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1793  if(getcwd(buff, MAXPATHLEN) == NULL) {
1794    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1795  } else {
1796    owl_fmtext_append_normal(&fm, buff);
1797  }
1798  owl_fmtext_append_normal(&fm, "\n");
1799
1800  tmpbuff = owl_util_format_time(localtime(&start));
1801  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s\n", tmpbuff);
1802  g_free(tmpbuff);
1803
1804  up=owl_global_get_runtime(&g);
1805  days=up/86400;
1806  up-=days*86400;
1807  hours=up/3600;
1808  up-=hours*3600;
1809  minutes=up/60;
1810  up-=minutes*60;
1811  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1812
1813  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1814  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1815  if (owl_global_is_havezephyr(&g)) {
1816    owl_fmtext_append_normal(&fm, "yes\n");
1817  } else {
1818    owl_fmtext_append_normal(&fm, "no\n");
1819  }
1820  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1821  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1822
1823
1824  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1825  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1826#if OWL_STDERR_REDIR
1827  owl_fmtext_append_normal(&fm, "yes\n");
1828#else
1829  owl_fmtext_append_normal(&fm, "no\n");
1830#endif
1831 
1832
1833  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1834  owl_fmtext_append_normal(&fm, "  Logged in: ");
1835  if (owl_global_is_aimloggedin(&g)) {
1836    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1837    owl_fmtext_append_normal(&fm, "\n");
1838  } else {
1839    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1840  }
1841
1842  owl_fmtext_append_normal(&fm, "  Processing events: ");
1843  if (owl_global_is_doaimevents(&g)) {
1844    owl_fmtext_append_normal(&fm, "yes\n");
1845  } else {
1846    owl_fmtext_append_normal(&fm, "no\n");
1847  }
1848
1849  owl_function_popless_fmtext(&fm);
1850  owl_fmtext_cleanup(&fm);
1851}
1852
1853void owl_function_show_term(void)
1854{
1855  owl_fmtext fm;
1856
1857  owl_fmtext_init_null(&fm);
1858  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1859          owl_global_get_lines(&g),
1860          owl_global_get_cols(&g));
1861
1862  if (has_colors()) {
1863    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1864    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_util_get_colorpairs());
1865    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1866  } else {
1867    owl_fmtext_append_normal(&fm, "Color: No\n");
1868  }
1869
1870  owl_function_popless_fmtext(&fm);
1871  owl_fmtext_cleanup(&fm);
1872}
1873
1874/* if type = 0 then normal reply.
1875 * if type = 1 then it's a reply to sender
1876 * if enter = 0 then allow the command to be edited
1877 * if enter = 1 then don't wait for editing
1878 */
1879void owl_function_reply(int type, int enter)
1880{
1881  char *buff=NULL;
1882  const owl_message *m;
1883  const owl_filter *f;
1884 
1885  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1886    owl_function_error("No message selected");
1887  } else {
1888    char *cmd;
1889   
1890    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1891    if (!m) {
1892      owl_function_error("No message selected");
1893      return;
1894    }
1895
1896    /* first check if we catch the reply-lockout filter */
1897    f=owl_global_get_filter(&g, "reply-lockout");
1898    if (f) {
1899      if (owl_filter_message_match(f, m)) {
1900        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1901        return;
1902      }
1903    }
1904
1905    /* then check if it's a question and just bring up the command prompt */
1906    if (owl_message_is_question(m)) {
1907      owl_function_start_command("");
1908      return;
1909    }
1910
1911    if((type == 0 &&
1912        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1913       (type == 1 &&
1914        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1915      buff = cmd;
1916    }
1917
1918    if(!buff) {
1919        owl_function_error("I don't know how to reply to that message.");
1920        return;
1921    }
1922
1923    if (enter) {
1924      owl_history *hist = owl_global_get_cmd_history(&g);
1925      owl_history_store(hist, buff, false);
1926      owl_function_command_norv(buff);
1927    } else {
1928      owl_function_start_command(buff);
1929    }
1930    g_free(buff);
1931  }
1932}
1933
1934void owl_function_zlocate(int argc, const char *const *argv, int auth)
1935{
1936  owl_fmtext fm;
1937  char *ptr;
1938  char *result;
1939  int i;
1940
1941  owl_fmtext_init_null(&fm);
1942
1943  for (i=0; i<argc; i++) {
1944    ptr = long_zuser(argv[i]);
1945    result = owl_zephyr_zlocate(ptr, auth);
1946    owl_fmtext_append_normal(&fm, result);
1947    g_free(result);
1948    g_free(ptr);
1949  }
1950
1951  owl_function_popless_fmtext(&fm);
1952  owl_fmtext_cleanup(&fm);
1953}
1954
1955void owl_callback_command(owl_editwin *e, bool success)
1956{
1957  if (!success) return;
1958  char *rv;
1959  const char *line = owl_editwin_get_text(e);
1960
1961  rv = owl_function_command(line);
1962   if (rv) {
1963    owl_function_makemsg("%s", rv);
1964    g_free(rv);
1965  }
1966}
1967
1968owl_editwin *owl_function_start_command(const char *line)
1969{
1970  owl_editwin *tw;
1971  owl_context *ctx;
1972
1973  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1974
1975  owl_editwin_set_locktext(tw, "command: ");
1976
1977  owl_editwin_insert_string(tw, line);
1978
1979  ctx = owl_editcontext_new(OWL_CTX_EDITLINE, tw, "editline",
1980                            owl_global_deactivate_editcontext, &g);
1981  owl_global_push_context_obj(&g, ctx);
1982  owl_editwin_set_callback(tw, owl_callback_command);
1983  return tw;
1984}
1985
1986owl_editwin *owl_function_start_question(const char *line)
1987{
1988  owl_editwin *tw;
1989  owl_context *ctx;
1990
1991  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1992
1993  owl_editwin_set_locktext(tw, line);
1994
1995  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
1996                            owl_global_deactivate_editcontext, &g);
1997  owl_global_push_context_obj(&g, ctx);
1998  return tw;
1999}
2000
2001owl_editwin *owl_function_start_password(const char *line)
2002{
2003  owl_editwin *tw;
2004  owl_context *ctx;
2005
2006  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
2007
2008  owl_editwin_set_echochar(tw, '*');
2009
2010  owl_editwin_set_locktext(tw, line);
2011
2012  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
2013                            owl_global_deactivate_editcontext, &g);
2014  owl_global_push_context_obj(&g, ctx);
2015  return tw;
2016}
2017
2018CALLER_OWN char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
2019{
2020  /* if type == 1 display in a popup
2021   * if type == 2 display an admin messages
2022   * if type == 0 return output
2023   * else display in a popup
2024   */
2025  const char *redirect = " 2>&1 < /dev/null";
2026  char *newbuff;
2027  char *out;
2028  FILE *p;
2029
2030#if OWL_STDERR_REDIR
2031  redirect = " < /dev/null";
2032#endif
2033
2034  if (argc<2) {
2035    owl_function_error("Wrong number of arguments to the exec command");
2036    return NULL;
2037  }
2038
2039  buff = skiptokens(buff, 1);
2040  newbuff = g_strdup_printf("exec%s; %s", redirect, buff);
2041
2042  if (type == OWL_OUTPUT_POPUP) {
2043    owl_popexec_new(newbuff);
2044  } else {
2045    p = popen(newbuff, "r");
2046    out = owl_slurp(p);
2047    pclose(p);
2048   
2049    if (type == OWL_OUTPUT_RETURN) {
2050      g_free(newbuff);
2051      return out;
2052    } else if (type == OWL_OUTPUT_ADMINMSG) {
2053      owl_function_adminmsg(buff, out);
2054    }
2055    g_free(out);
2056  }
2057  g_free(newbuff);
2058  return NULL;
2059}
2060
2061CALLER_OWN char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2062{
2063  /* if type == 1 display in a popup
2064   * if type == 2 display an admin messages
2065   * if type == 0 return output
2066   * else display in a popup
2067   */
2068  char *perlout;
2069
2070  if (argc<2) {
2071    owl_function_error("Wrong number of arguments to perl command");
2072    return NULL;
2073  }
2074
2075  /* consume first token (argv[0]) */
2076  buff = skiptokens(buff, 1);
2077
2078  perlout = owl_perlconfig_execute(buff);
2079  if (perlout) { 
2080    if (type == OWL_OUTPUT_POPUP) {
2081      owl_function_popless_text(perlout);
2082    } else if (type == OWL_OUTPUT_ADMINMSG) {
2083      owl_function_adminmsg(buff, perlout);
2084    } else if (type == OWL_OUTPUT_RETURN) {
2085      return perlout;
2086    }
2087    g_free(perlout);
2088  }
2089  return NULL;
2090}
2091
2092/* Change the filter associated with the current view.
2093 * This also figures out which message in the new filter
2094 * should have the pointer.
2095 */
2096void owl_function_change_currentview_filter(const char *filtname)
2097{
2098  owl_view *v;
2099  owl_filter *f;
2100  int curid=-1, newpos, curmsg;
2101  const owl_message *curm=NULL;
2102
2103  v=owl_global_get_current_view(&g);
2104
2105  curmsg=owl_global_get_curmsg(&g);
2106  if (curmsg==-1) {
2107    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2108  } else {
2109    curm=owl_view_get_element(v, curmsg);
2110    if (curm) {
2111      curid=owl_message_get_id(curm);
2112      owl_view_save_curmsgid(v, curid);
2113    }
2114  }
2115
2116  f=owl_global_get_filter(&g, filtname);
2117  if (!f) {
2118    owl_function_error("Unknown filter %s", filtname);
2119    return;
2120  }
2121
2122  owl_view_new_filter(v, f);
2123
2124  /* Figure out what to set the current message to.
2125   * - If the view we're leaving has messages in it, go to the closest message
2126   *   to the last message pointed to in that view.
2127   * - If the view we're leaving is empty, try to restore the position
2128   *   from the last time we were in the new view.  */
2129  if (curm) {
2130    newpos = owl_view_get_nearest_to_msgid(v, curid);
2131  } else {
2132    newpos = owl_view_get_nearest_to_saved(v);
2133  }
2134
2135  owl_global_set_curmsg(&g, newpos);
2136  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2137  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2138  owl_global_set_direction_downwards(&g);
2139}
2140
2141/* Create a new filter, or replace an existing one
2142 * with a new definition. Returns true on success.
2143 */
2144bool owl_function_create_filter(int argc, const char *const *argv)
2145{
2146  owl_filter *f;
2147  const owl_view *v;
2148  int inuse = 0;
2149
2150  if (argc < 2) {
2151    owl_function_error("Wrong number of arguments to filter command");
2152    return false;
2153  }
2154
2155  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2156
2157  v=owl_global_get_current_view(&g);
2158
2159  /* don't touch the all filter */
2160  if (!strcmp(argv[1], "all")) {
2161    owl_function_error("You may not change the 'all' filter.");
2162    return false;
2163  }
2164
2165  /* deal with the case of trying change the filter color */
2166  if (argc==4 && !strcmp(argv[2], "-c")) {
2167    f=owl_global_get_filter(&g, argv[1]);
2168    if (!f) {
2169      owl_function_error("The filter '%s' does not exist.", argv[1]);
2170      return false;
2171    }
2172    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2173      owl_function_error("The color '%s' is not available.", argv[3]);
2174      return false;
2175    }
2176    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2177    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2178    return false;
2179  }
2180  if (argc==4 && !strcmp(argv[2], "-b")) {
2181    f=owl_global_get_filter(&g, argv[1]);
2182    if (!f) {
2183      owl_function_error("The filter '%s' does not exist.", argv[1]);
2184      return false;
2185    }
2186    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2187      owl_function_error("The color '%s' is not available.", argv[3]);
2188      return false;
2189    }
2190    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2191    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2192    return true;
2193  }
2194
2195  /* create the filter and check for errors */
2196  f = owl_filter_new(argv[1], argc-2, argv+2);
2197  if (f == NULL) {
2198    owl_function_error("Invalid filter: %s", argv[1]);
2199    return false;
2200  }
2201
2202  /* if the named filter is in use by the current view, remember it */
2203  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2204    inuse=1;
2205  }
2206
2207  /* if the named filter already exists, nuke it */
2208  if (owl_global_get_filter(&g, argv[1])) {
2209    owl_global_remove_filter(&g, argv[1]);
2210  }
2211
2212  /* add the filter */
2213  owl_global_add_filter(&g, f);
2214
2215  /* if it was in use by the current view then update */
2216  if (inuse) {
2217    owl_function_change_currentview_filter(argv[1]);
2218  }
2219  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2220  return true;
2221}
2222
2223/* If 'filtername' does not start with 'not-' create a filter named
2224 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2225 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2226 * 'filtername' begins with 'not-' and a filter 'filtername' already
2227 * exists, then do nothing.  If the filter 'filtername' does not
2228 * exist, create it and define it as 'not filter <filtername>'
2229 *
2230 * Returns the name of the negated filter, which the caller must free.
2231 */
2232CALLER_OWN char *owl_function_create_negative_filter(const char *filtername)
2233{
2234  char *newname;
2235  const owl_filter *tmpfilt;
2236  const char *argv[5];
2237
2238  owl_function_debugmsg("owl_function_create_negative_filter");
2239 
2240  if (!strncmp(filtername, "not-", 4)) {
2241    newname=g_strdup(filtername+4);
2242  } else {
2243    newname=g_strdup_printf("not-%s", filtername);
2244  }
2245
2246  tmpfilt=owl_global_get_filter(&g, newname);
2247  if (!tmpfilt) {
2248    argv[0]="filter"; /* anything is fine here */
2249    argv[1]=newname;
2250    argv[2]="not";
2251    argv[3]="filter";
2252    argv[4]=filtername;
2253    owl_function_create_filter(5, argv);
2254  }
2255
2256  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2257  return(newname);
2258}
2259
2260void owl_function_show_filters(void)
2261{
2262  const owl_filter *f;
2263  GList *fl;
2264  owl_fmtext fm;
2265
2266  owl_fmtext_init_null(&fm);
2267
2268  owl_fmtext_append_bold(&fm, "Filters:\n");
2269
2270  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2271    f = fl->data;
2272    owl_fmtext_append_normal(&fm, "   ");
2273    owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f),
2274                                   owl_filter_get_fgcolor(f),
2275                                   owl_filter_get_bgcolor(f));
2276    owl_fmtext_append_normal(&fm, "\n");
2277  }
2278  owl_function_popless_fmtext(&fm);
2279  owl_fmtext_cleanup(&fm);
2280}
2281
2282void owl_function_show_filter(const char *name)
2283{
2284  const owl_filter *f;
2285  char *buff, *tmp;
2286
2287  f=owl_global_get_filter(&g, name);
2288  if (!f) {
2289    owl_function_error("There is no filter named %s", name);
2290    return;
2291  }
2292  tmp = owl_filter_print(f);
2293  buff = g_strdup_printf("%s: %s", owl_filter_get_name(f), tmp);
2294  owl_function_popless_text(buff);
2295  g_free(buff);
2296  g_free(tmp);
2297}
2298
2299void owl_function_show_zpunts(void)
2300{
2301  const owl_filter *f;
2302  const GPtrArray *fl;
2303  char *tmp;
2304  owl_fmtext fm;
2305  int i;
2306
2307  owl_fmtext_init_null(&fm);
2308
2309  fl=owl_global_get_puntlist(&g);
2310  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2311
2312  for (i = 0; i < fl->len; i++) {
2313    f = fl->pdata[i];
2314    owl_fmtext_appendf_normal(&fm, "[% 2d] ", i+1);
2315    tmp = owl_filter_print(f);
2316    owl_fmtext_append_normal(&fm, tmp);
2317    g_free(tmp);
2318  }
2319  owl_function_popless_fmtext(&fm);
2320  owl_fmtext_cleanup(&fm);
2321}
2322
2323/* Create a filter for a class, instance if one doesn't exist.  If
2324 * instance is NULL then catch all messgaes in the class.  Returns the
2325 * name of the filter or null.  The caller must free this name.
2326 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2327 */
2328CALLER_OWN char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2329{
2330  owl_filter *f;
2331  char *filtname;
2332  char *tmpclass, *tmpinstance = NULL;
2333  char *class, *instance = NULL;
2334  GString *buf;
2335
2336  if (related) {
2337    class = owl_util_baseclass(c);
2338    if (i) {
2339      instance = owl_util_baseclass(i);
2340    }
2341  } else {
2342    class = g_strdup(c);
2343    if (i) {
2344      instance = g_strdup(i);
2345    }
2346  }
2347
2348  /* name for the filter */
2349  if (!instance) {
2350    filtname = g_strdup_printf("%sclass-%s", related ? "related-" : "", class);
2351  } else {
2352    filtname = g_strdup_printf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2353  }
2354  /* downcase it */
2355  {
2356    char *temp = g_utf8_strdown(filtname, -1);
2357    if (temp) {
2358      g_free(filtname);
2359      filtname = temp;
2360    }
2361  }
2362 
2363  /* if it already exists then go with it.  This lets users override */
2364  if (owl_global_get_filter(&g, filtname)) {
2365    goto done;
2366  }
2367
2368  /* create the new filter */
2369  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2370  if (instance) {
2371    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2372  }
2373
2374  buf = g_string_new("");
2375  owl_string_appendf_quoted(buf,
2376                            related ? "class ^(un)*%q(\\.d)*$" : "class ^%q$",
2377                            tmpclass);
2378
2379  if (tmpinstance) {
2380    owl_string_appendf_quoted(buf,
2381                              related ?
2382                              " and ( instance ^(un)*%q(\\.d)*$ )" :
2383                              " and instance ^%q$",
2384                              tmpinstance);
2385  }
2386  g_free(tmpclass);
2387  g_free(tmpinstance);
2388
2389  f = owl_filter_new_fromstring(filtname, buf->str);
2390  g_string_free(buf, true);
2391  if (f == NULL) {
2392    /* Couldn't make a filter for some reason. Return NULL. */
2393    owl_function_error("Error creating filter '%s'", filtname);
2394    g_free(filtname);
2395    filtname = NULL;
2396    goto done;
2397  }
2398
2399  /* add it to the global list */
2400  owl_global_add_filter(&g, f);
2401
2402done:
2403  g_free(class);
2404  g_free(instance);
2405  return(filtname);
2406}
2407
2408/* Create a filter for personal zephyrs to or from the specified
2409 * zephyr user.  Includes login/logout notifications for the user.
2410 * The name of the filter will be 'user-<shortuser>'.  If a filter already
2411 * exists with this name, no new filter will be created.  This allows
2412 * the configuration to override this function.  Returns the name of
2413 * the filter, which the caller must free.
2414 */
2415CALLER_OWN char *owl_function_zuserfilt(const char *longuser)
2416{
2417  owl_filter *f;
2418  char *argbuff, *esclonguser, *shortuser, *filtname;
2419
2420  /* name for the filter */
2421  shortuser = short_zuser(longuser);
2422  filtname = g_strdup_printf("user-%s", shortuser);
2423  g_free(shortuser);
2424
2425  /* if it already exists then go with it.  This lets users override */
2426  if (owl_global_get_filter(&g, filtname)) {
2427    return filtname;
2428  }
2429
2430  /* create the new-internal filter */
2431  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2432
2433  argbuff=owl_string_build_quoted("( type ^zephyr$ and filter personal and "
2434      "( ( direction ^in$ and sender ^%q$ ) or ( direction ^out$ and "
2435      "recipient ^%q$ ) ) ) or ( ( class ^login$ ) and ( sender ^%q$ ) )",
2436      esclonguser, esclonguser, esclonguser);
2437  g_free(esclonguser);
2438
2439  f = owl_filter_new_fromstring(filtname, argbuff);
2440  g_free(argbuff);
2441
2442  if (f == NULL) {
2443    /* Couldn't make a filter for some reason. Return NULL. */
2444    owl_function_error("Error creating filter '%s'", filtname);
2445    g_free(filtname);
2446    return NULL;
2447  }
2448
2449  /* add it to the global list */
2450  owl_global_add_filter(&g, f);
2451
2452  return(filtname);
2453}
2454
2455/* Create a filter for AIM IM messages to or from the specified
2456 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2457 * filter already exists with this name, no new filter will be
2458 * created.  This allows the configuration to override this function.
2459 * Returns the name of the filter, which the caller must free.
2460 */
2461CALLER_OWN char *owl_function_aimuserfilt(const char *user)
2462{
2463  owl_filter *f;
2464  char *argbuff, *filtname;
2465  char *escuser;
2466
2467  /* name for the filter */
2468  filtname=g_strdup_printf("aimuser-%s", user);
2469
2470  /* if it already exists then go with it.  This lets users override */
2471  if (owl_global_get_filter(&g, filtname)) {
2472    return filtname;
2473  }
2474
2475  /* create the new-internal filter */
2476  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2477
2478  argbuff = g_strdup_printf(
2479      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2480      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2481      escuser, owl_global_get_aim_screenname_for_filters(&g));
2482  g_free(escuser);
2483
2484  f = owl_filter_new_fromstring(filtname, argbuff);
2485  g_free(argbuff);
2486
2487  if (f == NULL) {
2488    owl_function_error("Error creating filter '%s'", filtname);
2489    g_free(filtname);
2490    return NULL;
2491  }
2492
2493  /* add it to the global list */
2494  owl_global_add_filter(&g, f);
2495
2496  return(filtname);
2497}
2498
2499CALLER_OWN char *owl_function_typefilt(const char *type)
2500{
2501  owl_filter *f;
2502  char *argbuff, *filtname, *esctype;
2503
2504  /* name for the filter */
2505  filtname=g_strdup_printf("type-%s", type);
2506
2507  /* if it already exists then go with it.  This lets users override */
2508  if (owl_global_get_filter(&g, filtname)) {
2509    return filtname;
2510  }
2511
2512  /* create the new-internal filter */
2513  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2514
2515  argbuff = owl_string_build_quoted("type ^%q$", esctype);
2516  g_free(esctype);
2517
2518  f = owl_filter_new_fromstring(filtname, argbuff);
2519  g_free(argbuff);
2520
2521  if (f == NULL) {
2522    owl_function_error("Error creating filter '%s'", filtname);
2523    g_free(filtname);
2524    return NULL;
2525  }
2526
2527  /* add it to the global list */
2528  owl_global_add_filter(&g, f);
2529
2530  return filtname;
2531}
2532
2533/* If flag is 1, marks for deletion.  If flag is 0,
2534 * unmarks for deletion. */
2535void owl_function_delete_curview_msgs(int flag)
2536{
2537  const owl_view *v;
2538  int i, j;
2539
2540  v=owl_global_get_current_view(&g);
2541  j=owl_view_get_size(v);
2542  for (i=0; i<j; i++) {
2543    if (flag == 1) {
2544      owl_message_mark_delete(owl_view_get_element(v, i));
2545    } else if (flag == 0) {
2546      owl_message_unmark_delete(owl_view_get_element(v, i));
2547    }
2548  }
2549
2550  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2551
2552  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2553}
2554
2555static CALLER_OWN char *owl_function_smartfilter_cc(const owl_message *m)
2556{
2557  const char *ccs;
2558  char *ccs_quoted;
2559  char *filtname;
2560  owl_filter *f;
2561  GString *buf;
2562
2563  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2564
2565  filtname = g_strdup_printf("conversation-%s", ccs);
2566  g_strdelimit(filtname, " ", '-');
2567
2568  if (owl_global_get_filter(&g, filtname)) {
2569    return filtname;
2570  }
2571
2572  buf = g_string_new("type ^zephyr$ and filter personal and "
2573                     "zephyr_ccs ^");
2574  ccs_quoted = owl_text_quote(ccs, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2575  owl_string_append_quoted_arg(buf, ccs_quoted);
2576  g_string_append_c(buf, '$');
2577  g_free(ccs_quoted);
2578
2579  f = owl_filter_new_fromstring(filtname, buf->str);
2580  g_string_free(buf, true);
2581
2582  if (f == NULL) {
2583    owl_function_error("Error creating filter '%s'", filtname);
2584    g_free(filtname);
2585    return NULL;
2586  }
2587
2588  owl_global_add_filter(&g, f);
2589
2590  return filtname;
2591}
2592
2593/* Create a filter based on the current message.  Returns the name of
2594 * a filter or null.  The caller must free this name.
2595 *
2596 * if the curmsg is a personal zephyr return a filter name
2597 *    to the zephyr conversation with that user.
2598 * If the curmsg is a zephyr class message, instance foo, recip *,
2599 *    return a filter name to the class, inst.
2600 * If the curmsg is a zephyr class message and type==0 then
2601 *    return a filter name for just the class.
2602 * If the curmsg is a zephyr class message and type==1 then
2603 *    return a filter name for the class and instance.
2604 * If the curmsg is a personal AIM message returna  filter
2605 *    name to the AIM conversation with that user
2606 */
2607CALLER_OWN char *owl_function_smartfilter(int type, int invert_related)
2608{
2609  const owl_view *v;
2610  const owl_message *m;
2611  char *filtname = NULL;
2612  const char *argv[2], *zperson;
2613  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2614
2615  v=owl_global_get_current_view(&g);
2616  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2617
2618  if (!m || owl_view_get_size(v)==0) {
2619    owl_function_error("No message selected\n");
2620    return(NULL);
2621  }
2622
2623  /* very simple handling of admin messages for now */
2624  if (owl_message_is_type_admin(m)) {
2625    return(owl_function_typefilt("admin"));
2626  }
2627
2628  /* very simple handling of loopback messages for now */
2629  if (owl_message_is_type_loopback(m)) {
2630    return(owl_function_typefilt("loopback"));
2631  }
2632
2633  /* aim messages */
2634  if (owl_message_is_type_aim(m)) {
2635    if (owl_message_is_direction_in(m)) {
2636      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2637    } else if (owl_message_is_direction_out(m)) {
2638      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2639    }
2640    return(filtname);
2641  }
2642
2643  /* narrow personal and login messages to the sender or recip as appropriate */
2644  if (owl_message_is_type_zephyr(m)) {
2645    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2646      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2647        return owl_function_smartfilter_cc(m);
2648      }
2649
2650      if (owl_message_is_direction_in(m)) {
2651        zperson = owl_message_get_sender(m);
2652      } else {
2653        zperson = owl_message_get_recipient(m);
2654      }
2655      filtname = owl_function_zuserfilt(zperson);
2656      return filtname;
2657    }
2658
2659    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2660    if (!strcasecmp(owl_message_get_class(m), "message")) {
2661      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2662      return(filtname);
2663    }
2664
2665    /* otherwise narrow to the class */
2666    if (type==0) {
2667      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2668    } else if (type==1) {
2669      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2670    }
2671    return(filtname);
2672  }
2673
2674  /* pass it off to perl */
2675  argv[0] = type ? "1" : "0";
2676  argv[1] = related ? "1" : "0";
2677  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2678}
2679
2680void owl_function_smartzpunt(int type)
2681{
2682  /* Starts a zpunt command based on the current class,instance pair.
2683   * If type=0, uses just class.  If type=1, uses instance as well. */
2684  const owl_view *v;
2685  const owl_message *m;
2686  const char *mclass, *minst;
2687  GString *buf;
2688 
2689  v=owl_global_get_current_view(&g);
2690  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2691
2692  if (!m || owl_view_get_size(v)==0) {
2693    owl_function_error("No message selected\n");
2694    return;
2695  }
2696
2697  /* for now we skip admin messages. */
2698  if (owl_message_is_type_admin(m)
2699      || owl_message_is_loginout(m)
2700      || !owl_message_is_type_zephyr(m)) {
2701    owl_function_error("smartzpunt doesn't support this message type.");
2702    return;
2703  }
2704
2705  mclass = owl_message_get_class(m);
2706  minst = owl_message_get_instance(m);
2707  if (!mclass || !*mclass || *mclass==' '
2708      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2709      || (type && (!minst || !*minst|| *minst==' '))) {
2710    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2711                         mclass, minst);
2712  } else {
2713    buf = g_string_new("start-command zpunt ");
2714    owl_string_append_quoted_arg(buf, mclass);
2715    if (type) {
2716      g_string_append_c(buf, ' ');
2717      owl_string_append_quoted_arg(buf, minst);
2718    } else {
2719      g_string_append(buf, " *");
2720    }
2721    owl_function_command_norv(buf->str);
2722    g_string_free(buf, true);
2723  }
2724}
2725
2726/* Set the color of the current view's filter to
2727 * be 'color'
2728 */
2729void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2730{
2731  const char *name;
2732
2733  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2734  owl_function_color_filter(name, fgcolor, bgcolor);
2735}
2736
2737/* Set the color of the filter 'filter' to be 'color'.  If the color
2738 * name does not exist, return -1, if the filter does not exist or is
2739 * the "all" filter, return -2.  Return 0 on success
2740 */
2741int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2742{
2743  owl_filter *f;
2744
2745  f=owl_global_get_filter(&g, filtname);
2746  if (!f) {
2747    owl_function_error("Unknown filter");
2748    return(-2);
2749  }
2750
2751  /* don't touch the all filter */
2752  if (!strcmp(filtname, "all")) {
2753    owl_function_error("You may not change the 'all' filter.");
2754    return(-2);
2755  }
2756
2757  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2758    owl_function_error("No color named '%s' avilable.", fgcolor);
2759    return(-1);
2760  }
2761
2762
2763  if (bgcolor != NULL) {
2764    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2765      owl_function_error("No color named '%s' avilable.", bgcolor);
2766      return(-1);
2767    }
2768    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2769  }
2770  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2771 
2772  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2773  return(0);
2774}
2775
2776void owl_function_show_colors(void)
2777{
2778  owl_fmtext fm;
2779  int i; 
2780 
2781  owl_fmtext_init_null(&fm);
2782  owl_fmtext_append_normal(&fm,"default:  ");
2783  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2784
2785  owl_fmtext_append_normal(&fm,"black:    ");
2786  owl_fmtext_append_normal_color(&fm, "black\n", OWL_COLOR_BLACK, OWL_COLOR_DEFAULT);
2787
2788  owl_fmtext_append_normal(&fm,"red:      ");
2789  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2790
2791  owl_fmtext_append_normal(&fm,"green:    ");
2792  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2793
2794  owl_fmtext_append_normal(&fm,"yellow:   ");
2795  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2796
2797  owl_fmtext_append_normal(&fm,"blue:     ");
2798  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2799
2800  owl_fmtext_append_normal(&fm,"magenta:  ");
2801  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2802
2803  owl_fmtext_append_normal(&fm,"cyan:     ");
2804  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2805
2806  owl_fmtext_append_normal(&fm,"white:    ");
2807  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2808
2809  for(i = 8; i < COLORS; ++i) {
2810    char* str1 = g_strdup_printf("%4i:     ",i);
2811    char* str2 = g_strdup_printf("%i\n",i);
2812    owl_fmtext_append_normal(&fm,str1);
2813    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2814    g_free(str1);
2815     g_free(str2);
2816  }
2817 
2818  owl_function_popless_fmtext(&fm);
2819  owl_fmtext_cleanup(&fm);
2820}
2821
2822/* add the given class, inst, recip to the punt list for filtering.
2823 *   if direction==0 then punt
2824 *   if direction==1 then unpunt
2825 */
2826void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2827{
2828  GPtrArray *argv;
2829  char *quoted;
2830
2831  argv = g_ptr_array_new();
2832  if (!strcmp(class, "*")) {
2833    g_ptr_array_add(argv, g_strdup("class"));
2834    g_ptr_array_add(argv, g_strdup(".*"));
2835  } else {
2836    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2837    g_ptr_array_add(argv, g_strdup("class"));
2838    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2839    g_free(quoted);
2840  }
2841  if (!strcmp(inst, "*")) {
2842    g_ptr_array_add(argv, g_strdup("and"));
2843    g_ptr_array_add(argv, g_strdup("instance"));
2844    g_ptr_array_add(argv, g_strdup(".*"));
2845  } else {
2846    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2847    g_ptr_array_add(argv, g_strdup("and"));
2848    g_ptr_array_add(argv, g_strdup("instance"));
2849    g_ptr_array_add(argv, g_strdup_printf("^(un)*%s(\\.d)*$", quoted));
2850    g_free(quoted);
2851  }
2852  if (!strcmp(recip, "*")) {
2853    /* nothing */
2854  } else {
2855    if(!strcmp(recip, "%me%")) {
2856      recip = owl_zephyr_get_sender();
2857    }
2858    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2859    g_ptr_array_add(argv, g_strdup("and"));
2860    g_ptr_array_add(argv, g_strdup("recipient"));
2861    g_ptr_array_add(argv, g_strdup_printf("^%s$", quoted));
2862    g_free(quoted);
2863  }
2864
2865  owl_function_punt(argv->len, (const char *const*) argv->pdata, direction);
2866  owl_ptr_array_free(argv, g_free);
2867}
2868
2869void owl_function_punt(int argc, const char *const *argv, int direction)
2870{
2871  owl_filter *f;
2872  GPtrArray *fl;
2873  int i;
2874  fl=owl_global_get_puntlist(&g);
2875
2876  /* first, create the filter */
2877  f = owl_filter_new("punt-filter", argc, argv);
2878  if (f == NULL) {
2879    owl_function_error("Error creating filter for zpunt");
2880    return;
2881  }
2882
2883  /* Check for an identical filter */
2884  for (i = 0; i < fl->len; i++) {
2885    if (owl_filter_equiv(f, fl->pdata[i])) {
2886      owl_function_debugmsg("found an equivalent punt filter");
2887      /* if we're punting, then just silently bow out on this duplicate */
2888      if (direction==0) {
2889        owl_filter_delete(f);
2890        return;
2891      }
2892
2893      /* if we're unpunting, then remove this filter from the puntlist */
2894      if (direction==1) {
2895        owl_filter_delete(g_ptr_array_remove_index(fl, i));
2896        owl_filter_delete(f);
2897        return;
2898      }
2899    }
2900  }
2901
2902  if (direction == 0) {
2903    owl_function_debugmsg("punting");
2904    /* If we're punting, add the filter to the global punt list */
2905    g_ptr_array_add(fl, f);
2906  } else if (direction == 1) {
2907    owl_function_makemsg("No matching punt filter");
2908 }
2909}
2910
2911void owl_function_show_keymaps(void)
2912{
2913  GPtrArray *l;
2914  owl_fmtext fm;
2915  const owl_keymap *km;
2916  const owl_keyhandler *kh;
2917  int i;
2918  const char *kmname;
2919
2920  kh = owl_global_get_keyhandler(&g);
2921  owl_fmtext_init_null(&fm);
2922  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2923  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2924  l = owl_keyhandler_get_keymap_names(kh);
2925  owl_fmtext_append_list(&fm, l, "\n", owl_function_keymap_summary);
2926  owl_fmtext_append_normal(&fm, "\n");
2927
2928  for (i = 0; i < l->len; i++) {
2929    kmname = l->pdata[i];
2930    km = owl_keyhandler_get_keymap(kh, kmname);
2931    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2932    owl_keymap_get_details(km, &fm, 0);
2933  }
2934  owl_fmtext_append_normal(&fm, "\n");
2935 
2936  owl_function_popless_fmtext(&fm);
2937  owl_ptr_array_free(l, g_free);
2938  owl_fmtext_cleanup(&fm);
2939}
2940
2941CALLER_OWN char *owl_function_keymap_summary(const char *name)
2942{
2943  const owl_keymap *km
2944    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2945  if (km) return owl_keymap_summary(km);
2946  else return(NULL);
2947}
2948
2949/* TODO: implement for real */
2950void owl_function_show_keymap(const char *name)
2951{
2952  owl_fmtext fm;
2953  const owl_keymap *km;
2954
2955  owl_fmtext_init_null(&fm);
2956  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2957  if (km) {
2958    owl_keymap_get_details(km, &fm, 1);
2959  } else {
2960    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2961  } 
2962  owl_function_popless_fmtext(&fm);
2963  owl_fmtext_cleanup(&fm);
2964}
2965
2966void owl_function_help_for_command(const char *cmdname)
2967{
2968  owl_fmtext fm;
2969
2970  owl_fmtext_init_null(&fm);
2971  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2972  owl_function_popless_fmtext(&fm); 
2973  owl_fmtext_cleanup(&fm);
2974}
2975
2976void owl_function_set_search(const char *string)
2977{
2978  owl_regex re;
2979
2980  if (string && owl_regex_create_quoted(&re, string) == 0) {
2981    owl_global_set_search_re(&g, &re);
2982    owl_regex_cleanup(&re);
2983  } else {
2984    owl_global_set_search_re(&g, NULL);
2985  }
2986}
2987
2988void owl_function_search_helper(int consider_current, int direction)
2989{
2990  /* move to a message that contains the string.  If direction is
2991   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2992   * OWL_DIRECTION_UPWARDS then search backwards.
2993   *
2994   * If consider_current is true then it will stay on the
2995   * current message if it contains the string.
2996   */
2997
2998  const owl_view *v;
2999  int viewsize, i, curmsg, start;
3000  owl_message *m;
3001
3002  v=owl_global_get_current_view(&g);
3003  viewsize=owl_view_get_size(v);
3004  curmsg=owl_global_get_curmsg(&g);
3005 
3006  if (viewsize==0) {
3007    owl_function_makemsg("No messages present");
3008    return;
3009  }
3010
3011  if (consider_current) {
3012    start=curmsg;
3013  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3014    start=curmsg+1;
3015  } else {
3016    start=curmsg-1;
3017  }
3018
3019  /* bounds check */
3020  if (start>=viewsize || start<0) {
3021    owl_function_makemsg("No further matches found");
3022    return;
3023  }
3024
3025  for (i=start; i<viewsize && i>=0;) {
3026    m=owl_view_get_element(v, i);
3027    if (owl_message_search(m, owl_global_get_search_re(&g))) {
3028      owl_global_set_curmsg(&g, i);
3029      owl_function_calculate_topmsg(direction);
3030      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3031      if (direction==OWL_DIRECTION_DOWNWARDS) {
3032        owl_global_set_direction_downwards(&g);
3033      } else {
3034        owl_global_set_direction_upwards(&g);
3035      }
3036      return;
3037    }
3038    if (direction==OWL_DIRECTION_DOWNWARDS) {
3039      i++;
3040    } else {
3041      i--;
3042    }
3043    if (owl_global_take_interrupt(&g)) {
3044      owl_function_makemsg("Search interrupted!");
3045      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3046      return;
3047    }
3048  }
3049  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3050  owl_function_makemsg("No matches found");
3051}
3052
3053/* strips formatting from ztext and returns the unformatted text.
3054 * caller is responsible for freeing. */
3055CALLER_OWN char *owl_function_ztext_stylestrip(const char *zt)
3056{
3057  owl_fmtext fm;
3058  char *plaintext;
3059
3060  owl_fmtext_init_null(&fm);
3061  owl_fmtext_append_ztext(&fm, zt);
3062  plaintext = owl_fmtext_print_plain(&fm);
3063  owl_fmtext_cleanup(&fm);
3064  return(plaintext);
3065}
3066
3067/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3068void owl_function_buddylist(int aim, int zephyr, const char *filename)
3069{
3070  int i, j, idle;
3071  int interrupted = 0;
3072  owl_fmtext fm;
3073  const owl_buddylist *bl;
3074  const owl_buddy *b;
3075  char *timestr;
3076#ifdef HAVE_LIBZEPHYR
3077  int x;
3078  GPtrArray *anyone;
3079  const char *user;
3080  char *tmp;
3081  ZLocations_t location[200];
3082  int numlocs, ret;
3083#endif
3084
3085  owl_fmtext_init_null(&fm);
3086
3087  /* AIM first */
3088  if (aim && owl_global_is_aimloggedin(&g)) {
3089    bl=owl_global_get_buddylist(&g);
3090
3091    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3092    /* we're assuming AIM for now */
3093    j=owl_buddylist_get_size(bl);
3094    for (i=0; i<j; i++) {
3095      b=owl_buddylist_get_buddy_n(bl, i);
3096      idle=owl_buddy_get_idle_time(b);
3097      if (idle!=0) {
3098        timestr=owl_util_format_minutes(idle);
3099      } else {
3100        timestr=g_strdup("");
3101      }
3102      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3103      g_free(timestr);
3104    }
3105  }
3106
3107#ifdef HAVE_LIBZEPHYR
3108  if (zephyr) {
3109    if(!owl_global_is_havezephyr(&g)) {
3110      owl_function_error("Zephyr currently not available.");
3111    } else {
3112      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3113      anyone = owl_zephyr_get_anyone_list(filename);
3114      if (anyone == NULL) {
3115        if (errno == ENOENT) {
3116          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3117          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3118          owl_fmtext_append_bold(  &fm, "<username>");
3119          owl_fmtext_append_normal(&fm, "'.\n");
3120        } else {
3121          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3122        }
3123      } else {
3124        for (i = 0; i < anyone->len; i++) {
3125          user = anyone->pdata[i];
3126          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3127
3128          if (owl_global_take_interrupt(&g)) {
3129            interrupted = 1;
3130            owl_function_makemsg("Interrupted!");
3131            break;
3132          }
3133
3134          if (ret!=ZERR_NONE) {
3135            owl_function_error("Error getting location for %s", user);
3136            continue;
3137          }
3138
3139          numlocs=200;
3140          ret=ZGetLocations(location, &numlocs);
3141          if (ret==0) {
3142            for (x=0; x<numlocs; x++) {
3143              tmp=short_zuser(user);
3144              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3145                                        tmp,
3146                                        location[x].host,
3147                                        location[x].tty,
3148                                        location[x].time);
3149              g_free(tmp);
3150            }
3151            if (numlocs>=200) {
3152              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3153            }
3154          }
3155        }
3156      }
3157      owl_ptr_array_free(anyone, g_free);
3158    }
3159  }
3160#endif
3161
3162  if (aim && zephyr) {
3163    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3164      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3165      if (perlblist) {
3166        owl_fmtext_append_ztext(&fm, perlblist);
3167        g_free(perlblist);
3168      }
3169    }
3170  }
3171
3172  if(!interrupted) {
3173    owl_function_popless_fmtext(&fm);
3174  }
3175  owl_fmtext_cleanup(&fm);
3176}
3177
3178/* Dump messages in the current view to the file 'filename'. */
3179void owl_function_dump(const char *filename) 
3180{
3181  int i, j;
3182  owl_message *m;
3183  const owl_view *v;
3184  FILE *file;
3185  char *plaintext;
3186
3187  v=owl_global_get_current_view(&g);
3188
3189  /* in the future make it ask yes/no */
3190  /*
3191  ret=stat(filename, &sbuf);
3192  if (!ret) {
3193    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3194    if (!ret) return;
3195  }
3196  */
3197
3198  file=fopen(filename, "w");
3199  if (!file) {
3200    owl_function_error("Error opening file");
3201    return;
3202  }
3203
3204  j=owl_view_get_size(v);
3205  for (i=0; i<j; i++) {
3206    m=owl_view_get_element(v, i);
3207    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3208    if (plaintext) {
3209      fputs(plaintext, file);
3210      g_free(plaintext);
3211    }
3212  }
3213  fclose(file);
3214  owl_function_makemsg("Messages dumped to %s", filename);
3215}
3216
3217void owl_function_do_newmsgproc(void)
3218{
3219  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3220    /* if there's a process out there, we need to check on it */
3221    if (owl_global_get_newmsgproc_pid(&g)) {
3222      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3223      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3224      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3225      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3226        /* it exited */
3227        owl_global_set_newmsgproc_pid(&g, 0);
3228        owl_function_debugmsg("newmsgproc exited");
3229      } else {
3230        owl_function_debugmsg("newmsgproc did not exit");
3231      }
3232    }
3233   
3234    /* if it exited, spawn a new one */
3235    if (owl_global_get_newmsgproc_pid(&g)==0) {
3236      int myargc;
3237      char **argv = owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3238      if (myargc < 0) {
3239        owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?",
3240                              owl_global_get_newmsgproc(&g));
3241      } else if (myargc > 0) {
3242        /* Spawn the child. */
3243        GPid pid;
3244        GError *error = NULL;
3245        owl_function_debugmsg("About to exec \"%s\" with %d arguments", argv[0], myargc);
3246        if (g_spawn_async(NULL, argv, NULL,
3247                          G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD,
3248                          NULL, NULL, &pid, &error)) {
3249          owl_global_set_newmsgproc_pid(&g, pid);
3250          owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", pid);
3251        } else {
3252          owl_function_debugmsg("Cannot run newmsgproc '%s': %s",
3253                                owl_global_get_newmsgproc(&g), error->message);
3254          g_error_free(error);
3255        }
3256      }
3257      g_strfreev(argv);
3258    }
3259  }
3260}
3261
3262/* print the xterm escape sequence to raise the window */
3263void owl_function_xterm_raise(void)
3264{
3265  printf("\033[5t");
3266}
3267
3268/* print the xterm escape sequence to deiconify the window */
3269void owl_function_xterm_deiconify(void)
3270{
3271  printf("\033[1t");
3272}
3273
3274/* Add the specified command to the startup file.  Eventually this
3275 * should be clever, and rewriting settings that will obviosly
3276 * override earlier settings with 'set' 'bindkey' and 'alias'
3277 * commands.  For now though we just remove any line that would
3278 * duplicate this one and then append this line to the end of
3279 * startupfile.
3280 */
3281void owl_function_addstartup(const char *buff)
3282{
3283  FILE *file;
3284  const char *filename;
3285
3286  filename=owl_global_get_startupfile(&g);
3287
3288  /* delete earlier copies, if the file exists */
3289  if (g_file_test(filename, G_FILE_TEST_EXISTS))
3290    owl_util_file_deleteline(filename, buff, 1);
3291
3292  file=fopen(filename, "a");
3293  if (!file) {
3294    owl_function_error("Error opening startupfile for new command");
3295    return;
3296  }
3297
3298  /* add this line */
3299  fprintf(file, "%s\n", buff);
3300
3301  fclose(file);
3302}
3303
3304/* Remove the specified command from the startup file. */
3305void owl_function_delstartup(const char *buff)
3306{
3307  const char *filename;
3308  filename=owl_global_get_startupfile(&g);
3309  owl_util_file_deleteline(filename, buff, 1);
3310}
3311
3312/* Execute owl commands from the given filename.  If the filename
3313 * is NULL, use the default owl startup commands file.
3314 */
3315void owl_function_source(const char *filename)
3316{
3317  char *path;
3318  FILE *file;
3319  char *s = NULL;
3320  int fail_silent = 0;
3321
3322  if (!filename) {
3323    fail_silent = 1;
3324    path = g_strdup(owl_global_get_startupfile(&g));
3325  } else {
3326    path = owl_util_makepath(filename);
3327  }
3328  file = fopen(path, "r");
3329  g_free(path);
3330  if (!file) {
3331    if (!fail_silent) {
3332      owl_function_error("Error opening file: %s", filename);
3333    }
3334    return;
3335  }
3336  while (owl_getline_chomp(&s, file)) {
3337    if (s[0] == '\0' || s[0] == '#')
3338      continue;
3339    owl_function_command_norv(s);
3340  }
3341
3342  g_free(s);
3343  fclose(file);
3344}
3345
3346void owl_function_change_style(owl_view *v, const char *stylename)
3347{
3348  const owl_style *s;
3349
3350  s=owl_global_get_style_by_name(&g, stylename);
3351  if (!s) {
3352    owl_function_error("No style named %s", stylename);
3353    return;
3354  }
3355  owl_view_set_style(v, s);
3356  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3357  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3358  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3359}
3360
3361void owl_function_toggleoneline(void)
3362{
3363  owl_view *v;
3364  const owl_style *s;
3365
3366  v=owl_global_get_current_view(&g);
3367  s=owl_view_get_style(v);
3368
3369  if (!owl_style_matches_name(s, "oneline")) {
3370    owl_function_change_style(v, "oneline");
3371  } else {
3372    owl_function_change_style(v, owl_global_get_default_style(&g));
3373  }
3374
3375  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3376  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3377  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3378}
3379
3380void G_GNUC_PRINTF(1, 2) owl_function_error(const char *fmt, ...)
3381{
3382  static int in_error = 0;
3383  va_list ap;
3384  char *buff;
3385  const char *nl;
3386
3387  if (++in_error > 2) {
3388    /* More than two nested errors, bail immediately. */
3389    in_error--;
3390    return;
3391  }
3392
3393  va_start(ap, fmt);
3394  buff = g_strdup_vprintf(fmt, ap);
3395  va_end(ap);
3396
3397  owl_function_debugmsg("ERROR: %s", buff);
3398  owl_function_log_err(buff);
3399
3400  nl = strchr(buff, '\n');
3401
3402  /*
3403    Showing admin messages triggers a lot of code. If we have a
3404    recursive error call, that's the most likely candidate, so
3405    suppress the call in that case, to try to avoid infinite looping.
3406  */
3407
3408  if(nl && *(nl + 1) && in_error == 1) {
3409    /* Multiline error */
3410    owl_function_adminmsg("ERROR", buff);
3411  } else {
3412    owl_function_makemsg("[Error] %s", buff);
3413  }
3414
3415  g_free(buff);
3416
3417  in_error--;
3418}
3419
3420void owl_function_log_err(const char *string)
3421{
3422  char *date;
3423  time_t now;
3424  char *buff;
3425
3426  now = time(NULL);
3427  date = owl_util_format_time(localtime(&now));
3428
3429  buff = g_strdup_printf("%s %s", date, string);
3430
3431  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3432
3433  g_free(buff);
3434  g_free(date);
3435}
3436
3437void owl_function_showerrs(void)
3438{
3439  owl_fmtext fm;
3440
3441  owl_fmtext_init_null(&fm);
3442  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3443  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3444  owl_function_popless_fmtext(&fm);
3445}
3446
3447void G_GNUC_PRINTF(1, 2) owl_function_makemsg(const char *fmt, ...)
3448{
3449  va_list ap;
3450  char *str;
3451
3452  va_start(ap, fmt);
3453  str = g_strdup_vprintf(fmt, ap);
3454  va_end(ap);
3455
3456  owl_function_debugmsg("makemsg: %s", str);
3457  owl_msgwin_set_text_nocopy(&g.msgwin, str);
3458}
3459
3460/* get locations for everyone in .anyone.  If 'notify' is '1' then
3461 * send a pseudo login or logout message for everyone not in sync with
3462 * the global zephyr buddy list.  The list is updated regardless of
3463 * the status of 'notify'.
3464 */
3465void owl_function_zephyr_buddy_check(int notify)
3466{
3467#ifdef HAVE_LIBZEPHYR
3468  int i;
3469  GPtrArray *anyone;
3470  GList **zaldlist;
3471  GList *zaldptr;
3472  ZAsyncLocateData_t *zald;
3473  const char *user;
3474
3475  if (!owl_global_is_havezephyr(&g)) return;
3476  owl_global_set_pseudologin_notify(&g, notify);
3477  zaldlist = owl_global_get_zaldlist(&g);
3478
3479  /* Clear the existing ZALDs first. */
3480  zaldptr = g_list_first(*zaldlist);
3481  while (zaldptr) {
3482    ZFreeALD(zaldptr->data);
3483    g_free(zaldptr->data);
3484    zaldptr = g_list_next(zaldptr);
3485  }
3486  g_list_free(*zaldlist);
3487  *zaldlist = NULL;
3488
3489  anyone = owl_zephyr_get_anyone_list(NULL);
3490  if (anyone != NULL) {
3491    for (i = 0; i < anyone->len; i++) {
3492      user = anyone->pdata[i];
3493      zald = g_new(ZAsyncLocateData_t, 1);
3494      if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3495        *zaldlist = g_list_append(*zaldlist, zald);
3496      } else {
3497        g_free(zald);
3498      }
3499    }
3500    owl_ptr_array_free(anyone, g_free);
3501  }
3502#endif
3503}
3504
3505void owl_function_aimsearch_results(const char *email, GPtrArray *namelist)
3506{
3507  owl_fmtext fm;
3508  int i;
3509
3510  owl_fmtext_init_null(&fm);
3511  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3512  owl_fmtext_append_normal(&fm, email);
3513  owl_fmtext_append_normal(&fm, ":\n");
3514
3515  for (i = 0; i < namelist->len; i++) {
3516    owl_fmtext_append_normal(&fm, "  ");
3517    owl_fmtext_append_normal(&fm, namelist->pdata[i]);
3518    owl_fmtext_append_normal(&fm, "\n");
3519  }
3520
3521  owl_function_popless_fmtext(&fm);
3522  owl_fmtext_cleanup(&fm);
3523}
3524
3525int owl_function_get_color_count(void)
3526{
3527     return COLORS;
3528}
3529
3530void _owl_function_mark_message(const owl_message *m)
3531{
3532  if (m) {
3533    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3534    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3535  }
3536}
3537
3538void owl_function_mark_message(void)
3539{
3540  const owl_message *m;
3541  const owl_view *v;
3542
3543  v=owl_global_get_current_view(&g);
3544
3545  /* bail if there's no current message */
3546  if (owl_view_get_size(v) < 1) {
3547    owl_function_error("No messages to mark");
3548    return;
3549  }
3550
3551  /* mark the message */
3552  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3553  _owl_function_mark_message(m);
3554  owl_function_makemsg("Mark set");
3555}
3556
3557void owl_function_swap_cur_marked(void)
3558{
3559  int marked_id;
3560  const owl_message *m;
3561  const owl_view *v;
3562
3563  marked_id=owl_global_get_markedmsgid(&g);
3564  if (marked_id == -1) {
3565    owl_function_error("Mark not set.");
3566    return;
3567  }
3568
3569  v=owl_global_get_current_view(&g);
3570  /* bail if there's no current message */
3571  if (owl_view_get_size(v) < 1) {
3572    return;
3573  }
3574
3575  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3576  _owl_function_mark_message(m);
3577  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3578  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3579  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3580  owl_global_set_direction_downwards(&g);
3581}
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