source: functions.c @ 8830df47

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Last change on this file since 8830df47 was 8830df47, checked in by David Benjamin <davidben@mit.edu>, 12 years ago
libpanel makes owl_popwin_refresh unnecessary
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File size: 95.9 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15char *owl_function_command(const char *cmdbuff)
16{
17  owl_function_debugmsg("executing command: %s", cmdbuff);
18  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
19                             owl_global_get_context(&g), cmdbuff);
20}
21
22char *owl_function_command_argv(const char *const *argv, int argc)
23{
24  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
25                                  owl_global_get_context(&g),
26                                  argv, argc);
27}
28
29void owl_function_command_norv(const char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(const char *alias_from, const char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41const owl_cmd *owl_function_get_cmd(const char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands(void)
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_cleanup(&l);
59  owl_fmtext_cleanup(&fm);
60}
61
62void owl_function_show_view(const char *viewname)
63{
64  const owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_cleanup(&fm);
78}
79
80void owl_function_show_styles(void) {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_cleanup(&l, owl_free);
91  owl_fmtext_cleanup(&fm);
92}
93
94char *owl_function_style_describe(const char *name) {
95  const char *desc;
96  char *s;
97  const owl_style *style;
98  style = owl_global_get_style_by_name(&g, name);
99  if (style) {
100    desc = owl_style_get_description(style);
101  } else {
102    desc = "???";
103  }
104  s = owl_sprintf("%-20s - %s%s", name, 
105                  0==owl_style_validate(style)?"":"[INVALID] ",
106                  desc);
107  return s;
108}
109
110char *owl_function_cmd_describe(const char *name)
111{
112  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
113  if (cmd) return owl_cmd_describe(cmd);
114  else return(NULL);
115}
116
117void owl_function_show_command(const char *name)
118{
119  owl_function_help_for_command(name);
120}
121
122void owl_function_show_license(void)
123{
124  const char *text;
125
126  text=""
127    "barnowl version " OWL_VERSION_STRING "\n"
128    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
129    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
130    "\n"
131    "Redistribution and use in source and binary forms, with or without\n"
132    "modification, are permitted provided that the following conditions are\n"
133    "met:\n"
134    "\n"
135    "   * Redistributions of source code must retain the above copyright\n"
136    "     notice, this list of conditions and the following disclaimer.\n"
137    "\n"
138    "   * Redistributions in binary form must reproduce the above copyright\n"
139    "     notice, this list of conditions and the following disclaimer in\n"
140    "     the documentation and/or other materials provided with the\n"
141    "     distribution.\n"
142    "\n"
143    "   * Redistributions in any form must be accompanied by information on\n"
144    "     how to obtain complete source code for the Owl software and any\n"
145    "     accompanying software that uses the Owl software. The source code\n"
146    "     must either be included in the distribution or be available for no\n"
147    "     more than the cost of distribution plus a nominal fee, and must be\n"
148    "     freely redistributable under reasonable conditions. For an\n"
149    "     executable file, complete source code means the source code for\n"
150    "     all modules it contains. It does not include source code for\n"
151    "     modules or files that typically accompany the major components of\n"
152    "     the operating system on which the executable file runs.\n"
153    "\n"
154    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
155    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
156    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
157    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
158    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
159    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
160    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
161    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
162    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
163    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
164    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
165  owl_function_popless_text(text);
166}
167
168void owl_function_show_quickstart(void)
169{
170    const char *message =
171    "Move between messages with the arrow keys, and press 'r' to reply.\n"
172    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
173#ifdef HAVE_LIBZEPHYR
174    "@b(Zephyr:)\n"
175    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
176    "press 'z' and then type the username. To subscribe to a class, type\n"
177    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
178#endif
179    "@b(AIM:)\n"
180    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
181    "or 'a' and then the screen name, to send someone a message.\n\n"
182    ;
183
184    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
185        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
186        if (perlquickstart) {
187            char *result = owl_sprintf("%s%s", message, perlquickstart);
188            owl_function_adminmsg("BarnOwl Quickstart", result);
189            owl_free(result);
190            owl_free(perlquickstart);
191            return;
192        }
193    }
194    owl_function_adminmsg("BarnOwl Quickstart", message);
195}
196
197
198/* Create an admin message, append it to the global list of messages
199 * and redisplay if necessary.
200 */
201void owl_function_adminmsg(const char *header, const char *body)
202{
203  owl_message *m;
204
205  m=owl_malloc(sizeof(owl_message));
206  owl_message_create_admin(m, header, body);
207 
208  /* add it to the global list and current view */
209  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
210  owl_view_consider_message(owl_global_get_current_view(&g), m);
211
212  /* do followlast if necessary */
213  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
214
215  /* redisplay etc. */
216  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
217  update_panels();
218  owl_global_set_needrefresh(&g);
219}
220
221/* Create an outgoing zephyr message and return a pointer to it.  Does
222 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
223 * that.
224 */
225owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
226{
227  owl_message *m;
228  owl_zwrite zw;
229
230  owl_zwrite_create_from_line(&zw, zwriteline);
231  owl_zwrite_set_zsig(&zw, zsig);
232
233  /* create the message */
234  m=owl_malloc(sizeof(owl_message));
235 
236  owl_message_create_from_zwrite(m, &zw, body);
237  owl_zwrite_cleanup(&zw);
238
239  return(m);
240}
241
242/* Create an outgoing AIM message, returns a pointer to the created
243 * message or NULL if we're not logged into AIM (and thus unable to
244 * create the message).  Does not put it on the global queue.  Use
245 * owl_global_messagequeue_addmsg() for that .
246 */
247owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
248{
249  owl_message *m;
250
251  /* error if we're not logged into aim */
252  if (!owl_global_is_aimloggedin(&g)) return(NULL);
253 
254  m=owl_malloc(sizeof(owl_message));
255  owl_message_create_aim(m,
256                         owl_global_get_aim_screenname(&g),
257                         to,
258                         body,
259                         OWL_MESSAGE_DIRECTION_OUT,
260                         0);
261  return(m);
262}
263
264/* Create an outgoing loopback message and return a pointer to it.
265 * Does not append it to the global queue, use
266 * owl_global_messagequeue_addmsg() for that.
267 */
268owl_message *owl_function_make_outgoing_loopback(const char *body)
269{
270  owl_message *m;
271
272  /* create the message */
273  m=owl_malloc(sizeof(owl_message));
274  owl_message_create_loopback(m, body);
275  owl_message_set_direction_out(m);
276
277  return(m);
278}
279
280void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data)
281{
282  owl_editwin *e;
283  char *s;
284
285  /* create and setup the editwin */
286  e = owl_global_get_typwin(&g);
287  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE,
288                        owl_global_get_msg_history(&g));
289  owl_editwin_clear(e);
290  owl_editwin_set_dotsend(e);
291  s = owl_sprintf("----> %s\n", line);
292  owl_editwin_set_locktext(e, s);
293  owl_free(s);
294
295  /* make it active */
296  owl_global_set_typwin_active(&g);
297
298  owl_editwin_set_cbdata(owl_global_get_typwin(&g), data);
299  owl_global_set_buffercallback(&g, callback);
300  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
301}
302
303static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
304{
305
306  if (!owl_global_get_lockout_ctrld(&g))
307    owl_function_makemsg("Type your %s below.  "
308                         "End with ^D or a dot on a line by itself."
309                         "  ^C will quit.", noun);
310  else
311    owl_function_makemsg("Type your %s below.  "
312                         "End with a dot on a line by itself.  ^C will quit.",
313                         noun);
314
315  owl_function_start_edit_win(line, callback, NULL);
316  owl_global_set_buffercommand(&g, line);
317}
318
319void owl_function_zwrite_setup(const char *line)
320{
321  owl_zwrite z;
322  int ret;
323
324  /* check the arguments */
325  ret=owl_zwrite_create_from_line(&z, line);
326  if (ret) {
327    owl_function_error("Error in zwrite arguments");
328    owl_zwrite_cleanup(&z);
329    return;
330  }
331
332  /* send a ping if necessary */
333  if (owl_global_is_txping(&g)) {
334    owl_zwrite_send_ping(&z);
335  }
336  owl_zwrite_cleanup(&z);
337
338  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
339}
340
341void owl_function_aimwrite_setup(const char *line)
342{
343  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
344}
345
346void owl_function_loopwrite_setup(void)
347{
348  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
349}
350
351void owl_callback_zwrite(owl_editwin *e) {
352  owl_function_zwrite(owl_editwin_get_command(e),
353                      owl_editwin_get_text(e));
354}
355
356/* send, log and display an outgoing zephyr.  If 'msg' is NULL
357 * the message is expected to be set from the zwrite line itself
358 */
359void owl_function_zwrite(const char *line, const char *msg)
360{
361  owl_zwrite z;
362  const char *mymsg;
363  owl_message *m;
364
365  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
366    owl_function_zcrypt(line, msg);
367    return;
368  }
369
370  /* create the zwrite and send the message */
371  owl_zwrite_create_from_line(&z, line);
372  owl_zwrite_populate_zsig(&z);
373  if (msg) {
374    owl_zwrite_set_message(&z, msg);
375  }
376  owl_zwrite_send_message(&z);
377  owl_function_makemsg("Waiting for ack...");
378
379  /* If it's personal */
380  if (owl_zwrite_is_personal(&z)) {
381    /* create the outgoing message */
382    mymsg=owl_zwrite_get_message(&z);
383    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
384
385    if (m) {
386      owl_global_messagequeue_addmsg(&g, m);
387    } else {
388      owl_function_error("Could not create outgoing zephyr message");
389    }
390  }
391
392  /* free the zwrite */
393  owl_zwrite_cleanup(&z);
394}
395
396/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
397 * the message is expected to be set from the zwrite line itself
398 */
399void owl_function_zcrypt(const char *line, const char *msg)
400{
401  owl_zwrite z;
402  const char *mymsg;
403  char *cryptmsg;
404  owl_message *m;
405
406  /* create the zwrite and send the message */
407  owl_zwrite_create_from_line(&z, line);
408  owl_zwrite_populate_zsig(&z);
409  if (msg) {
410    owl_zwrite_set_message(&z, msg);
411  }
412
413  mymsg=owl_zwrite_get_message(&z);
414#ifdef OWL_ENABLE_ZCRYPT
415  cryptmsg = owl_zcrypt_encrypt(mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
416  if (!cryptmsg) {
417    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
418    owl_function_beep();
419    owl_zwrite_cleanup(&z);
420    return;
421  }
422#else
423  cryptmsg=owl_strdup(mymsg);
424#endif
425
426  owl_zwrite_set_message(&z, cryptmsg);
427  owl_zwrite_set_opcode(&z, "crypt");
428   
429  owl_zwrite_send_message(&z);
430  owl_function_makemsg("Waiting for ack...");
431
432  /* If it's personal */
433  if (owl_zwrite_is_personal(&z)) {
434    /* create the outgoing message */
435    mymsg=owl_zwrite_get_message(&z);
436    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
437    if (m) {
438      owl_global_messagequeue_addmsg(&g, m);
439    } else {
440      owl_function_error("Could not create outgoing zephyr message");
441    }
442  }
443
444  /* free the zwrite */
445  owl_free(cryptmsg);
446  owl_zwrite_cleanup(&z);
447}
448
449void owl_callback_aimwrite(owl_editwin *e) {
450  owl_function_aimwrite(owl_editwin_get_command(e),
451                        owl_editwin_get_text(e));
452}
453
454void owl_function_aimwrite(const char *line, const char *msg)
455{
456  int ret;
457  const char *to;
458  char *format_msg;
459  owl_message *m;
460
461  to = line + 9;
462
463  /* make a formatted copy of the message */
464  format_msg=owl_strdup(msg);
465  owl_text_wordunwrap(format_msg);
466 
467  /* send the message */
468  ret=owl_aim_send_im(to, format_msg);
469  if (!ret) {
470    owl_function_makemsg("AIM message sent.");
471  } else {
472    owl_function_error("Could not send AIM message.");
473  }
474
475  /* create the outgoing message */
476  m=owl_function_make_outgoing_aim(msg, to);
477
478  if (m) {
479    owl_global_messagequeue_addmsg(&g, m);
480  } else {
481    owl_function_error("Could not create outgoing AIM message");
482  }
483
484  owl_free(format_msg);
485}
486
487void owl_function_send_aimawymsg(const char *to, const char *msg)
488{
489  int ret;
490  char *format_msg;
491  owl_message *m;
492
493  /* make a formatted copy of the message */
494  format_msg=owl_strdup(msg);
495  owl_text_wordunwrap(format_msg);
496 
497  /* send the message */
498  ret=owl_aim_send_awaymsg(to, format_msg);
499  if (!ret) {
500    /* owl_function_makemsg("AIM message sent."); */
501  } else {
502    owl_function_error("Could not send AIM message.");
503  }
504
505  /* create the message */
506  m=owl_function_make_outgoing_aim(msg, to);
507  if (m) {
508    owl_global_messagequeue_addmsg(&g, m);
509  } else {
510    owl_function_error("Could not create AIM message");
511  }
512  owl_free(format_msg);
513}
514
515void owl_callback_loopwrite(owl_editwin *e) {
516  owl_function_loopwrite(owl_editwin_get_text(e));
517}
518
519void owl_function_loopwrite(const char *msg)
520{
521  owl_message *min, *mout;
522
523  /* create a message and put it on the message queue.  This simulates
524   * an incoming message */
525  min=owl_malloc(sizeof(owl_message));
526  mout=owl_function_make_outgoing_loopback(msg);
527
528  if (owl_global_is_displayoutgoing(&g)) {
529    owl_global_messagequeue_addmsg(&g, mout);
530  } else {
531    owl_message_delete(mout);
532  }
533
534  owl_message_create_loopback(min, msg);
535  owl_message_set_direction_in(min);
536  owl_global_messagequeue_addmsg(&g, min);
537
538  /* fake a makemsg */
539  owl_function_makemsg("loopback message sent");
540}
541
542/* If filter is non-null, looks for the next message matching
543 * that filter.  If skip_deleted, skips any deleted messages.
544 * If last_if_none, will stop at the last message in the view
545 * if no matching messages are found.  */
546void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
547{
548  int curmsg, i, viewsize, found;
549  const owl_view *v;
550  const owl_filter *f = NULL;
551  const owl_message *m;
552
553  v=owl_global_get_current_view(&g);
554
555  if (filter) {
556    f=owl_global_get_filter(&g, filter);
557    if (!f) {
558      owl_function_error("No %s filter defined", filter);
559      return;
560    }
561  }
562
563  curmsg=owl_global_get_curmsg(&g);
564  viewsize=owl_view_get_size(v);
565  found=0;
566
567  /* just check to make sure we're in bounds... */
568  if (curmsg>viewsize-1) curmsg=viewsize-1;
569  if (curmsg<0) curmsg=0;
570
571  for (i=curmsg+1; i<viewsize; i++) {
572    m=owl_view_get_element(v, i);
573    if (skip_deleted && owl_message_is_delete(m)) continue;
574    if (f && !owl_filter_message_match(f, m)) continue;
575    found = 1;
576    break;
577  }
578
579  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
580  if (i<0) i=0;
581
582  if (!found) {
583    owl_function_makemsg("already at last%s message%s%s%s",
584                         skip_deleted?" non-deleted":"",
585                         filter?" in ":"", filter?filter:"",
586                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
587                         ", press Enter to scroll" : "");
588    /* if (!skip_deleted) owl_function_beep(); */
589  }
590
591  if (last_if_none || found) {
592    owl_global_set_curmsg(&g, i);
593    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
594    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
595    owl_global_set_direction_downwards(&g);
596  }
597}
598
599void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
600{
601  int curmsg, i, found;
602  const owl_view *v;
603  const owl_filter *f = NULL;
604  const owl_message *m;
605
606  v=owl_global_get_current_view(&g);
607
608  if (filter) {
609    f=owl_global_get_filter(&g, filter);
610    if (!f) {
611      owl_function_error("No %s filter defined", filter);
612      return;
613    }
614  }
615
616  curmsg=owl_global_get_curmsg(&g);
617  found=0;
618
619  /* just check to make sure we're in bounds... */
620  if (curmsg<0) curmsg=0;
621
622  for (i=curmsg-1; i>=0; i--) {
623    m=owl_view_get_element(v, i);
624    if (skip_deleted && owl_message_is_delete(m)) continue;
625    if (f && !owl_filter_message_match(f, m)) continue;
626    found = 1;
627    break;
628  }
629
630  if (i<0) i=0;
631
632  if (!found) {
633    owl_function_makemsg("already at first%s message%s%s",
634                         skip_deleted?" non-deleted":"",
635                         filter?" in ":"", filter?filter:"");
636    /* if (!skip_deleted) owl_function_beep(); */
637  }
638
639  if (first_if_none || found) {
640    owl_global_set_curmsg(&g, i);
641    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
642    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
643    owl_global_set_direction_upwards(&g);
644  }
645}
646
647void owl_function_nextmsg(void)
648{
649  owl_function_nextmsg_full(NULL, 0, 1);
650}
651
652void owl_function_prevmsg(void)
653{
654  owl_function_prevmsg_full(NULL, 0, 1);
655}
656
657void owl_function_nextmsg_notdeleted(void)
658{
659  owl_function_nextmsg_full(NULL, 1, 1);
660}
661
662void owl_function_prevmsg_notdeleted(void)
663{
664  owl_function_prevmsg_full(NULL, 1, 1);
665}
666
667/* if move_after is 1, moves after the delete */
668void owl_function_deletecur(int move_after)
669{
670  int curmsg;
671  owl_view *v;
672
673  v=owl_global_get_current_view(&g);
674
675  /* bail if there's no current message */
676  if (owl_view_get_size(v) < 1) {
677    owl_function_error("No current message to delete");
678    return;
679  }
680
681  /* mark the message for deletion */
682  curmsg=owl_global_get_curmsg(&g);
683  owl_view_delete_element(v, curmsg);
684
685  if (move_after) {
686    /* move the poiner in the appropriate direction
687     * to the next undeleted msg */
688    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
689      owl_function_prevmsg_notdeleted();
690    } else {
691      owl_function_nextmsg_notdeleted();
692    }
693  }
694}
695
696void owl_function_undeletecur(int move_after)
697{
698  int curmsg;
699  owl_view *v;
700
701  v=owl_global_get_current_view(&g);
702 
703  if (owl_view_get_size(v) < 1) {
704    owl_function_error("No current message to undelete");
705    return;
706  }
707  curmsg=owl_global_get_curmsg(&g);
708
709  owl_view_undelete_element(v, curmsg);
710
711  if (move_after) {
712    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
713      if (curmsg>0) {
714        owl_function_prevmsg();
715      } else {
716        owl_function_nextmsg();
717      }
718    } else {
719      owl_function_nextmsg();
720    }
721  }
722
723  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
724}
725
726void owl_function_expunge(void)
727{
728  int curmsg;
729  const owl_message *m;
730  owl_messagelist *ml;
731  owl_view *v;
732  int lastmsgid=0;
733
734  curmsg=owl_global_get_curmsg(&g);
735  v=owl_global_get_current_view(&g);
736  ml=owl_global_get_msglist(&g);
737
738  m=owl_view_get_element(v, curmsg);
739  if (m) lastmsgid = owl_message_get_id(m);
740
741  /* expunge the message list */
742  owl_messagelist_expunge(ml);
743
744  /* update all views (we only have one right now) */
745  owl_view_recalculate(v);
746
747  /* find where the new position should be
748     (as close as possible to where we last where) */
749  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
750  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
751  if (curmsg<0) curmsg = 0;
752  owl_global_set_curmsg(&g, curmsg);
753  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
754  /* if there are no messages set the direction to down in case we
755     delete everything upwards */
756  owl_global_set_direction_downwards(&g);
757 
758  owl_function_makemsg("Messages expunged");
759  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
760}
761
762void owl_function_firstmsg(void)
763{
764  owl_global_set_curmsg(&g, 0);
765  owl_global_set_topmsg(&g, 0);
766  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
767  owl_global_set_direction_downwards(&g);
768}
769
770void owl_function_lastmsg_noredisplay(void)
771{
772  int oldcurmsg, curmsg;
773  const owl_view *v;
774
775  v=owl_global_get_current_view(&g);
776  oldcurmsg=owl_global_get_curmsg(&g);
777  curmsg=owl_view_get_size(v)-1; 
778  if (curmsg<0) curmsg=0;
779  owl_global_set_curmsg(&g, curmsg);
780  if (oldcurmsg < curmsg) {
781    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
782  } else if (curmsg<owl_view_get_size(v)) {
783    /* If already at the end, blank the screen and move curmsg
784     * past the end of the messages. */
785    owl_global_set_topmsg(&g, curmsg+1);
786    owl_global_set_curmsg(&g, curmsg+1);
787  } 
788  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
789  owl_global_set_direction_downwards(&g);
790}
791
792void owl_function_lastmsg(void)
793{
794  owl_function_lastmsg_noredisplay();
795  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
796}
797
798void owl_function_shift_right(void)
799{
800  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
801  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
802  owl_global_set_needrefresh(&g);
803}
804
805void owl_function_shift_left(void)
806{
807  int shift;
808
809  shift=owl_global_get_rightshift(&g);
810  if (shift > 0) {
811    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
812    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
813    owl_global_set_needrefresh(&g);
814  } else {
815    owl_function_beep();
816    owl_function_makemsg("Already full left");
817  }
818}
819
820void owl_function_unsuball(void)
821{
822  unsuball();
823  owl_function_makemsg("Unsubscribed from all messages.");
824}
825
826
827/* Load zephyr subscriptions from the named 'file' and load zephyr's
828 * default subscriptions as well.  An error message is printed if
829 * 'file' can't be opened or if zephyr reports an error in
830 * subscribing.
831 *
832 * If 'file' is NULL, this look for the default filename
833 * $HOME/.zephyr.subs.  If the file can not be opened in this case
834 * only, no error message is printed.
835 */
836void owl_function_loadsubs(const char *file)
837{
838  int ret, ret2;
839  const char *foo;
840  char *path;
841
842  if (file==NULL) {
843    ret=owl_zephyr_loadsubs(NULL, 0);
844  } else {
845    path = owl_util_makepath(file);
846    ret=owl_zephyr_loadsubs(path, 1);
847    owl_free(path);
848  }
849
850  /* for backwards compatibility for now */
851  ret2=owl_zephyr_loaddefaultsubs();
852
853  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
854
855  foo=file?file:"file";
856  if (ret==0 && ret2==0) {
857    if (!file) {
858      owl_function_makemsg("Subscribed to messages.");
859    } else {
860      owl_function_makemsg("Subscribed to messages from %s", file);
861    }
862  } else if (ret==-1) {
863    owl_function_error("Could not read %s", foo);
864  } else {
865    owl_function_error("Error subscribing to messages");
866  }
867}
868
869void owl_function_loadloginsubs(const char *file)
870{
871  int ret;
872
873  ret=owl_zephyr_loadloginsubs(file);
874
875  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
876  if (ret==0) {
877  } else if (ret==-1) {
878    owl_function_error("Could not open file for login subscriptions.");
879  } else {
880    owl_function_error("Error subscribing to login messages from file.");
881  }
882}
883
884void owl_callback_aimlogin(owl_editwin *e) {
885  owl_function_aimlogin(owl_editwin_get_command(e),
886                        owl_editwin_get_text(e));
887}
888
889void owl_function_aimlogin(const char *user, const char *passwd) {
890  int ret;
891
892  /* clear the buddylist */
893  owl_buddylist_clear(owl_global_get_buddylist(&g));
894
895  /* try to login */
896  ret=owl_aim_login(user, passwd);
897  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
898}
899
900void owl_function_suspend(void)
901{
902  endwin();
903  printf("\n");
904  kill(getpid(), SIGSTOP);
905
906  /* resize to reinitialize all the windows when we come back */
907  owl_command_resize();
908}
909
910void owl_function_zaway_toggle(void)
911{
912  if (!owl_global_is_zaway(&g)) {
913    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
914    owl_function_zaway_on();
915  } else {
916    owl_function_zaway_off();
917  }
918}
919
920void owl_function_zaway_on(void)
921{
922  owl_global_set_zaway_on(&g);
923  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
924}
925
926void owl_function_zaway_off(void)
927{
928  owl_global_set_zaway_off(&g);
929  owl_function_makemsg("zaway off");
930}
931
932void owl_function_aaway_toggle(void)
933{
934  if (!owl_global_is_aaway(&g)) {
935    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
936    owl_function_aaway_on();
937  } else {
938    owl_function_aaway_off();
939  }
940}
941
942void owl_function_aaway_on(void)
943{
944  owl_global_set_aaway_on(&g);
945  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
946  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
947}
948
949void owl_function_aaway_off(void)
950{
951  owl_global_set_aaway_off(&g);
952  /* owl_aim_set_awaymsg(""); */
953  owl_function_makemsg("AIM away off");
954}
955
956void owl_function_quit(void)
957{
958  char *ret;
959 
960  /* zlog out if we need to */
961  if (owl_global_is_havezephyr(&g) &&
962      owl_global_is_shutdownlogout(&g)) {
963    owl_zephyr_zlog_out();
964  }
965
966  /* execute the commands in shutdown */
967  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
968  if (ret) owl_free(ret);
969
970  /* signal our child process, if any */
971  if (owl_global_get_newmsgproc_pid(&g)) {
972    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
973  }
974
975  /* Quit zephyr */
976  owl_zephyr_shutdown();
977 
978  /* Quit AIM */
979  if (owl_global_is_aimloggedin(&g)) {
980    owl_aim_logout();
981  }
982
983  /* done with curses */
984  endwin();
985
986  /* restore terminal settings */
987  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
988
989  owl_function_debugmsg("Quitting Owl");
990  exit(0);
991}
992
993void owl_function_calculate_topmsg(int direction)
994{
995  int recwinlines, topmsg, curmsg;
996  const owl_view *v;
997
998  v=owl_global_get_current_view(&g);
999  curmsg=owl_global_get_curmsg(&g);
1000  topmsg=owl_global_get_topmsg(&g);
1001  recwinlines=owl_global_get_recwin_lines(&g);
1002
1003  /*
1004  if (owl_view_get_size(v) < 1) {
1005    return;
1006  }
1007  */
1008
1009  switch (owl_global_get_scrollmode(&g)) {
1010  case OWL_SCROLLMODE_TOP:
1011    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1012    break;
1013  case OWL_SCROLLMODE_NEARTOP:
1014    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1015    break;
1016  case OWL_SCROLLMODE_CENTER:
1017    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1018    break;
1019  case OWL_SCROLLMODE_PAGED:
1020    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1021    break;
1022  case OWL_SCROLLMODE_PAGEDCENTER:
1023    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1024    break;
1025  case OWL_SCROLLMODE_NORMAL:
1026  default:
1027    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1028  }
1029  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1030  owl_global_set_topmsg(&g, topmsg);
1031}
1032
1033/* Returns what the new topmsg should be. 
1034 * Passed the last direction of movement,
1035 * the current view,
1036 * the current message number in the view,
1037 * the top message currently being displayed,
1038 * and the number of lines in the recwin.
1039 */
1040int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1041{
1042  return(curmsg);
1043}
1044
1045int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1046{
1047  if (curmsg>0 
1048      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1049          <  recwinlines/2)) {
1050    return(curmsg-1);
1051  } else {
1052    return(curmsg);
1053  }
1054}
1055 
1056int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1057{
1058  int i, last, lines;
1059
1060  last = curmsg;
1061  lines = 0;
1062  for (i=curmsg-1; i>=0; i--) {
1063    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1064    if (lines > recwinlines/2) break;
1065    last = i;
1066  }
1067  return(last);
1068}
1069 
1070int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1071{
1072  int i, last, lines, savey;
1073 
1074  /* If we're off the top of the screen, scroll up such that the
1075   * curmsg is near the botton of the screen. */
1076  if (curmsg < topmsg) {
1077    last = curmsg;
1078    lines = 0;
1079    for (i=curmsg; i>=0; i--) {
1080      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1081      if (lines > recwinlines) break;
1082    last = i;
1083    }
1084    if (center_on_page) {
1085      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1086    } else {
1087      return(last);
1088    }
1089  }
1090
1091  /* Find number of lines from top to bottom of curmsg (store in savey) */
1092  savey=0;
1093  for (i=topmsg; i<=curmsg; i++) {
1094    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1095  }
1096
1097  /* if we're off the bottom of the screen, scroll down */
1098  if (savey > recwinlines) {
1099    if (center_on_page) {
1100      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1101    } else {
1102      return(curmsg);
1103    }
1104  }
1105
1106  /* else just stay as we are... */
1107  return(topmsg);
1108}
1109
1110int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1111{
1112  int savey, i, foo, y;
1113
1114  if (curmsg<0) return(topmsg);
1115   
1116  /* If we're off the top of the screen then center */
1117  if (curmsg<topmsg) {
1118    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1119  }
1120
1121  /* If curmsg is so far past topmsg that there are more messages than
1122     lines, skip the line counting that follows because we're
1123     certainly off screen.  */
1124  savey=curmsg-topmsg;
1125  if (savey <= recwinlines) {
1126    /* Find number of lines from top to bottom of curmsg (store in savey) */
1127    savey = 0;
1128    for (i=topmsg; i<=curmsg; i++) {
1129      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1130    }
1131  }
1132
1133  /* If we're off the bottom of the screen, set the topmsg to curmsg
1134   * and scroll upwards */
1135  if (savey > recwinlines) {
1136    topmsg=curmsg;
1137    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1138    direction=OWL_DIRECTION_UPWARDS;
1139  }
1140 
1141  /* If our bottom line is less than 1/4 down the screen then scroll up */
1142  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1143    if (savey < (recwinlines / 4)) {
1144      y=0;
1145      for (i=curmsg; i>=0; i--) {
1146        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1147        /* will we run the curmsg off the screen? */
1148        if ((foo+y) >= recwinlines) {
1149          i++;
1150          if (i>curmsg) i=curmsg;
1151          break;
1152        }
1153        /* have saved 1/2 the screen space? */
1154        y+=foo;
1155        if (y > (recwinlines / 2)) break;
1156      }
1157      if (i<0) i=0;
1158      return(i);
1159    }
1160  }
1161
1162  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1163    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1164    if (savey > ((recwinlines * 3)/4)) {
1165      y=0;
1166      /* count lines from the top until we can save 1/2 the screen size */
1167      for (i=topmsg; i<curmsg; i++) {
1168        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1169        if (y > (recwinlines / 2)) break;
1170      }
1171      if (i==curmsg) {
1172        i--;
1173      }
1174      return(i+1);
1175    }
1176  }
1177
1178  return(topmsg);
1179}
1180
1181void owl_function_resize(void)
1182{
1183  owl_global_set_resize_pending(&g);
1184}
1185
1186void owl_function_run_buffercommand(void)
1187{
1188  owl_editwin_do_callback(owl_global_get_typwin(&g));
1189}
1190
1191void owl_function_debugmsg(const char *fmt, ...)
1192{
1193  FILE *file;
1194  time_t now;
1195  va_list ap;
1196  va_start(ap, fmt);
1197
1198  if (!owl_global_is_debug_fast(&g))
1199    return;
1200
1201  file = fopen(owl_global_get_debug_file(&g), "a");
1202  if (!file) /* XXX should report this */
1203    return;
1204
1205  now = time(NULL);
1206
1207  fprintf(file, "[%d -  %.24s - %lds]: ",
1208          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1209  vfprintf(file, fmt, ap);
1210  putc('\n', file);
1211  fclose(file);
1212
1213  va_end(ap);
1214}
1215
1216void owl_function_beep(void)
1217{
1218  if (owl_global_is_bell(&g)) {
1219    beep();
1220    owl_global_set_needrefresh(&g); /* do we really need this? */
1221  }
1222}
1223
1224int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1225{
1226  int ret;
1227
1228  ret=owl_zephyr_sub(class, inst, recip);
1229  if (ret) {
1230    owl_function_error("Error subscribing.");
1231  } else {
1232    owl_function_makemsg("Subscribed.");
1233  }
1234  return(ret);
1235}
1236
1237void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1238{
1239  int ret;
1240
1241  ret=owl_zephyr_unsub(class, inst, recip);
1242  if (ret) {
1243    owl_function_error("Error subscribing.");
1244  } else {
1245    owl_function_makemsg("Unsubscribed.");
1246  }
1247}
1248
1249void owl_function_set_cursor(WINDOW *win)
1250{
1251  /* Be careful that this window is actually empty, otherwise panels get confused */
1252  wnoutrefresh(win);
1253}
1254
1255void owl_function_full_redisplay(void)
1256{
1257  redrawwin(owl_global_get_curs_recwin(&g));
1258  redrawwin(owl_global_get_curs_sepwin(&g));
1259  /* Work around curses segfualts with windows off the screen */
1260  if (g.lines >= owl_global_get_typwin_lines(&g)+2)
1261      redrawwin(owl_global_get_curs_typwin(&g));
1262  if (g.lines >= 2)
1263      redrawwin(owl_global_get_curs_msgwin(&g));
1264
1265  update_panels();
1266
1267  sepbar("");
1268  owl_function_makemsg("");
1269
1270  owl_global_set_needrefresh(&g);
1271}
1272
1273void owl_function_popless_text(const char *text)
1274{
1275  owl_popwin *pw;
1276  owl_viewwin *v;
1277
1278  pw=owl_global_get_popwin(&g);
1279  v=owl_global_get_viewwin(&g);
1280
1281  owl_popwin_up(pw);
1282  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1283  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1284                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1285                        text);
1286  owl_viewwin_redisplay(v);
1287  owl_global_set_needrefresh(&g);
1288}
1289
1290void owl_function_popless_fmtext(const owl_fmtext *fm)
1291{
1292  owl_popwin *pw;
1293  owl_viewwin *v;
1294
1295  pw=owl_global_get_popwin(&g);
1296  v=owl_global_get_viewwin(&g);
1297
1298  owl_popwin_up(pw);
1299  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1300  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1301                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1302                   fm);
1303  owl_viewwin_redisplay(v);
1304  owl_global_set_needrefresh(&g);
1305}
1306
1307void owl_function_popless_file(const char *filename)
1308{
1309  owl_fmtext fm;
1310  FILE *file;
1311  char *s = NULL;
1312
1313  file=fopen(filename, "r");
1314  if (!file) {
1315    owl_function_error("Could not open file: %s", filename);
1316    return;
1317  }
1318
1319  owl_fmtext_init_null(&fm);
1320  while (owl_getline(&s, file))
1321    owl_fmtext_append_normal(&fm, s);
1322  owl_free(s);
1323
1324  owl_function_popless_fmtext(&fm);
1325  owl_fmtext_cleanup(&fm);
1326  fclose(file);
1327}
1328
1329void owl_function_about(void)
1330{
1331  owl_function_popless_text(
1332    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1333    "barnowl is a fork of the Owl zephyr client, written and\n"
1334    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1335    "Massachusetts Institute of Technology. \n"
1336    "\n"
1337    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1338    "released in March 2002.\n"
1339    "\n"
1340    "The name 'owl' was chosen in reference to the owls in the\n"
1341    "Harry Potter novels, who are tasked with carrying messages\n"
1342    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1343    "because we feel our owls should live closer to our ponies.\n"
1344    "\n"
1345    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
1346    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1347    "Copyright 2002 Massachusetts Institute of Technology\n"
1348    "\n"
1349    "This program is free software. You can redistribute it and/or\n"
1350    "modify under the terms of the Sleepycat License. Use the \n"
1351    "':show license' command to display the full license\n"
1352  );
1353}
1354
1355void owl_function_info(void)
1356{
1357  const owl_message *m;
1358  owl_fmtext fm, attrfm;
1359  const owl_view *v;
1360#ifdef HAVE_LIBZEPHYR
1361  const ZNotice_t *n;
1362#endif
1363
1364  owl_fmtext_init_null(&fm);
1365 
1366  v=owl_global_get_current_view(&g);
1367  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1368  if (!m || owl_view_get_size(v)==0) {
1369    owl_function_error("No message selected\n");
1370    return;
1371  }
1372
1373  owl_fmtext_append_bold(&fm, "General Information:\n");
1374  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1375
1376  owl_fmtext_append_normal(&fm, "  Type      : ");
1377  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1378  owl_fmtext_append_normal(&fm, "\n");
1379
1380  if (owl_message_is_direction_in(m)) {
1381    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1382  } else if (owl_message_is_direction_out(m)) {
1383    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1384  } else if (owl_message_is_direction_none(m)) {
1385    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1386  } else {
1387    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1388  }
1389
1390  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1391
1392  if (!owl_message_is_type_admin(m)) {
1393    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1394    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1395  }
1396
1397  if (owl_message_is_type_zephyr(m)) {
1398    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1399   
1400    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1401    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1402    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1403#ifdef HAVE_LIBZEPHYR
1404    if (owl_message_is_direction_in(m)) {
1405      char *ptr, tmpbuff[1024];
1406      int i, j, fields, len;
1407
1408      n=owl_message_get_notice(m);
1409
1410      if (!owl_message_is_pseudo(m)) {
1411        owl_fmtext_append_normal(&fm, "  Kind      : ");
1412        if (n->z_kind==UNSAFE) {
1413          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1414        } else if (n->z_kind==UNACKED) {
1415          owl_fmtext_append_normal(&fm, "UNACKED\n");
1416        } else if (n->z_kind==ACKED) {
1417          owl_fmtext_append_normal(&fm, "ACKED\n");
1418        } else if (n->z_kind==HMACK) {
1419          owl_fmtext_append_normal(&fm, "HMACK\n");
1420        } else if (n->z_kind==HMCTL) {
1421          owl_fmtext_append_normal(&fm, "HMCTL\n");
1422        } else if (n->z_kind==SERVACK) {
1423          owl_fmtext_append_normal(&fm, "SERVACK\n");
1424        } else if (n->z_kind==SERVNAK) {
1425          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1426        } else if (n->z_kind==CLIENTACK) {
1427          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1428        } else if (n->z_kind==STAT) {
1429          owl_fmtext_append_normal(&fm, "STAT\n");
1430        } else {
1431          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1432        }
1433      }
1434      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1435
1436      if (!owl_message_is_pseudo(m)) {
1437        owl_fmtext_append_normal(&fm, "\n");
1438        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1439        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1440
1441        /* FIXME make these more descriptive */
1442        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1443        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1444        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1445        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1446
1447        fields=owl_zephyr_get_num_fields(n);
1448        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1449
1450        for (i=0; i<fields; i++) {
1451          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1452          len=strlen(ptr);
1453          if (len<30) {
1454            strncpy(tmpbuff, ptr, len);
1455            tmpbuff[len]='\0';
1456          } else {
1457            strncpy(tmpbuff, ptr, 30);
1458            tmpbuff[30]='\0';
1459            strcat(tmpbuff, "...");
1460          }
1461          owl_free(ptr);
1462
1463          for (j=0; j<strlen(tmpbuff); j++) {
1464            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1465            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1466          }
1467
1468          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1469        }
1470        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1471      }
1472
1473    }
1474#endif
1475  }
1476
1477  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1478  owl_message_attributes_tofmtext(m, &attrfm);
1479  owl_fmtext_append_fmtext(&fm, &attrfm);
1480 
1481  owl_function_popless_fmtext(&fm);
1482  owl_fmtext_cleanup(&fm);
1483  owl_fmtext_cleanup(&attrfm);
1484}
1485
1486/* print the current message in a popup window.
1487 * Use the 'default' style regardless of whatever
1488 * style the user may be using
1489 */
1490void owl_function_curmsg_to_popwin(void)
1491{
1492  const owl_view *v;
1493  const owl_message *m;
1494  const owl_style *s;
1495  owl_fmtext fm;
1496
1497  v=owl_global_get_current_view(&g);
1498  s=owl_global_get_style_by_name(&g, "default");
1499
1500  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1501
1502  if (!m || owl_view_get_size(v)==0) {
1503    owl_function_error("No current message");
1504    return;
1505  }
1506
1507  owl_fmtext_init_null(&fm);
1508  owl_style_get_formattext(s, &fm, m);
1509
1510  owl_function_popless_fmtext(&fm);
1511  owl_fmtext_cleanup(&fm);
1512}
1513
1514void owl_function_page_curmsg(int step)
1515{
1516  /* scroll down or up within the current message IF the message is truncated */
1517
1518  int offset, curmsg, lines;
1519  const owl_view *v;
1520  owl_message *m;
1521
1522  offset=owl_global_get_curmsg_vert_offset(&g);
1523  v=owl_global_get_current_view(&g);
1524  curmsg=owl_global_get_curmsg(&g);
1525  m=owl_view_get_element(v, curmsg);
1526  if (!m || owl_view_get_size(v)==0) return;
1527  lines=owl_message_get_numlines(m);
1528
1529  if (offset==0) {
1530    /* Bail if the curmsg isn't the last one displayed */
1531    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1532      owl_function_makemsg("The entire message is already displayed");
1533      return;
1534    }
1535   
1536    /* Bail if we're not truncated */
1537    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1538      owl_function_makemsg("The entire message is already displayed");
1539      return;
1540    }
1541  }
1542 
1543 
1544  /* don't scroll past the last line */
1545  if (step>0) {
1546    if (offset+step > lines-1) {
1547      owl_global_set_curmsg_vert_offset(&g, lines-1);
1548    } else {
1549      owl_global_set_curmsg_vert_offset(&g, offset+step);
1550    }
1551  }
1552
1553  /* would we be before the beginning of the message? */
1554  if (step<0) {
1555    if (offset+step<0) {
1556      owl_global_set_curmsg_vert_offset(&g, 0);
1557    } else {
1558      owl_global_set_curmsg_vert_offset(&g, offset+step);
1559    }
1560  }
1561 
1562  /* redisplay */
1563  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1564  owl_global_set_needrefresh(&g);
1565}
1566
1567void owl_function_resize_typwin(int newsize)
1568{
1569  owl_global_set_typwin_lines(&g, newsize);
1570  owl_function_resize();
1571}
1572
1573void owl_function_mainwin_pagedown(void)
1574{
1575  int i;
1576
1577  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1578  if (i<0) return;
1579  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1580      && (owl_global_get_curmsg(&g) < i)
1581      && (i>0)) {
1582    i--;
1583  }
1584  owl_global_set_curmsg(&g, i);
1585  owl_function_nextmsg();
1586}
1587
1588void owl_function_mainwin_pageup(void)
1589{
1590  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1591  owl_function_prevmsg();
1592}
1593
1594void owl_function_getsubs(void)
1595{
1596  char *buff;
1597
1598  buff=owl_zephyr_getsubs();
1599
1600  if (buff) {
1601    owl_function_popless_text(buff);
1602  } else {
1603    owl_function_popless_text("Error getting subscriptions");
1604  }
1605           
1606  owl_free(buff);
1607}
1608
1609void owl_function_printallvars(void)
1610{
1611  const char *name;
1612  char var[LINE];
1613  owl_list varnames;
1614  int i, numvarnames;
1615  GString *str   = g_string_new("");
1616
1617  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1618  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1619  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1620  numvarnames = owl_list_get_size(&varnames);
1621  for (i=0; i<numvarnames; i++) {
1622    name = owl_list_get_element(&varnames, i);
1623    if (name && name[0]!='_') {
1624      g_string_append_printf(str, "\n%-20s = ", name);
1625      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1626      g_string_append(str, var);
1627    }
1628  }
1629  g_string_append(str, "\n");
1630  owl_variable_dict_namelist_cleanup(&varnames);
1631
1632  owl_function_popless_text(str->str);
1633  g_string_free(str, TRUE);
1634}
1635
1636void owl_function_show_variables(void)
1637{
1638  owl_list varnames;
1639  owl_fmtext fm; 
1640  int i, numvarnames;
1641  const char *varname;
1642
1643  owl_fmtext_init_null(&fm);
1644  owl_fmtext_append_bold(&fm, 
1645      "Variables: (use 'show variable <name>' for details)\n");
1646  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1647  numvarnames = owl_list_get_size(&varnames);
1648  for (i=0; i<numvarnames; i++) {
1649    varname = owl_list_get_element(&varnames, i);
1650    if (varname && varname[0]!='_') {
1651      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1652    }
1653  }
1654  owl_variable_dict_namelist_cleanup(&varnames);
1655  owl_function_popless_fmtext(&fm);
1656  owl_fmtext_cleanup(&fm);
1657}
1658
1659void owl_function_show_variable(const char *name)
1660{
1661  owl_fmtext fm; 
1662
1663  owl_fmtext_init_null(&fm);
1664  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1665  owl_function_popless_fmtext(&fm);
1666  owl_fmtext_cleanup(&fm);
1667}
1668
1669/* note: this applies to global message list, not to view.
1670 * If flag is 1, deletes.  If flag is 0, undeletes. */
1671void owl_function_delete_by_id(int id, int flag)
1672{
1673  const owl_messagelist *ml;
1674  owl_message *m;
1675  ml = owl_global_get_msglist(&g);
1676  m = owl_messagelist_get_by_id(ml, id);
1677  if (m) {
1678    if (flag == 1) {
1679      owl_message_mark_delete(m);
1680    } else if (flag == 0) {
1681      owl_message_unmark_delete(m);
1682    }
1683    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1684    owl_global_set_needrefresh(&g);
1685  } else {
1686    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1687  }
1688}
1689
1690void owl_function_delete_automsgs(void)
1691{
1692  /* mark for deletion all messages in the current view that match the
1693   * 'trash' filter */
1694
1695  int i, j, count;
1696  owl_message *m;
1697  const owl_view *v;
1698  const owl_filter *f;
1699
1700  /* get the trash filter */
1701  f=owl_global_get_filter(&g, "trash");
1702  if (!f) {
1703    owl_function_error("No trash filter defined");
1704    return;
1705  }
1706
1707  v=owl_global_get_current_view(&g);
1708
1709  count=0;
1710  j=owl_view_get_size(v);
1711  for (i=0; i<j; i++) {
1712    m=owl_view_get_element(v, i);
1713    if (owl_filter_message_match(f, m)) {
1714      count++;
1715      owl_message_mark_delete(m);
1716    }
1717  }
1718  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1719  owl_function_makemsg("%i messages marked for deletion", count);
1720  owl_global_set_needrefresh(&g);
1721}
1722
1723void owl_function_status(void)
1724{
1725  char buff[MAXPATHLEN+1];
1726  time_t start;
1727  int up, days, hours, minutes;
1728  owl_fmtext fm;
1729
1730  owl_fmtext_init_null(&fm);
1731
1732  start=owl_global_get_starttime(&g);
1733
1734  owl_fmtext_append_normal(&fm, "General Information:\n");
1735
1736  owl_fmtext_append_normal(&fm, "  Version: ");
1737  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1738  owl_fmtext_append_normal(&fm, "\n");
1739
1740  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1741  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1742  owl_fmtext_append_normal(&fm, "\n");
1743
1744  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1745  if(getcwd(buff, MAXPATHLEN) == NULL) {
1746    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1747  } else {
1748    owl_fmtext_append_normal(&fm, buff);
1749  }
1750  owl_fmtext_append_normal(&fm, "\n");
1751
1752  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1753
1754  up=owl_global_get_runtime(&g);
1755  days=up/86400;
1756  up-=days*86400;
1757  hours=up/3600;
1758  up-=hours*3600;
1759  minutes=up/60;
1760  up-=minutes*60;
1761  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1762
1763  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1764  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1765  if (owl_global_is_havezephyr(&g)) {
1766    owl_fmtext_append_normal(&fm, "yes\n");
1767  } else {
1768    owl_fmtext_append_normal(&fm, "no\n");
1769  }
1770  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1771  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1772
1773
1774  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1775  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1776#if OWL_STDERR_REDIR
1777  owl_fmtext_append_normal(&fm, "yes\n");
1778#else
1779  owl_fmtext_append_normal(&fm, "no\n");
1780#endif
1781 
1782
1783  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1784  owl_fmtext_append_normal(&fm, "  Logged in: ");
1785  if (owl_global_is_aimloggedin(&g)) {
1786    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1787    owl_fmtext_append_normal(&fm, "\n");
1788  } else {
1789    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1790  }
1791
1792  owl_fmtext_append_normal(&fm, "  Processing events: ");
1793  if (owl_global_is_doaimevents(&g)) {
1794    owl_fmtext_append_normal(&fm, "yes\n");
1795  } else {
1796    owl_fmtext_append_normal(&fm, "no\n");
1797  }
1798
1799  owl_function_popless_fmtext(&fm);
1800  owl_fmtext_cleanup(&fm);
1801}
1802
1803void owl_function_show_term(void)
1804{
1805  owl_fmtext fm;
1806
1807  owl_fmtext_init_null(&fm);
1808  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1809          owl_global_get_lines(&g),
1810          owl_global_get_cols(&g));
1811
1812  if (owl_global_get_hascolors(&g)) {
1813    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1814    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1815    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1816  } else {
1817    owl_fmtext_append_normal(&fm, "Color: No\n");
1818  }
1819
1820  owl_function_popless_fmtext(&fm);
1821  owl_fmtext_cleanup(&fm);
1822}
1823
1824/* if type = 0 then normal reply.
1825 * if type = 1 then it's a reply to sender
1826 * if enter = 0 then allow the command to be edited
1827 * if enter = 1 then don't wait for editing
1828 */
1829void owl_function_reply(int type, int enter)
1830{
1831  char *buff=NULL;
1832  const owl_message *m;
1833  const owl_filter *f;
1834 
1835  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1836    owl_function_error("No message selected");
1837  } else {
1838    char *cmd;
1839   
1840    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1841    if (!m) {
1842      owl_function_error("No message selected");
1843      return;
1844    }
1845
1846    /* first check if we catch the reply-lockout filter */
1847    f=owl_global_get_filter(&g, "reply-lockout");
1848    if (f) {
1849      if (owl_filter_message_match(f, m)) {
1850        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1851        return;
1852      }
1853    }
1854
1855    /* then check if it's a question and just bring up the command prompt */
1856    if (owl_message_is_question(m)) {
1857      owl_function_start_command("");
1858      return;
1859    }
1860
1861    if((type == 0 &&
1862        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1863       (type == 1 &&
1864        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1865      buff = cmd;
1866    }
1867
1868    if(!buff) {
1869        owl_function_error("I don't know how to reply to that message.");
1870        return;
1871    }
1872
1873    if (enter) {
1874      owl_history *hist = owl_global_get_cmd_history(&g);
1875      owl_history_store(hist, buff);
1876      owl_history_reset(hist);
1877      owl_function_command_norv(buff);
1878    } else {
1879      owl_function_start_command(buff);
1880    }
1881    owl_free(buff);
1882  }
1883}
1884
1885void owl_function_zlocate(int argc, const char *const *argv, int auth)
1886{
1887  owl_fmtext fm;
1888  char *ptr;
1889  char *result;
1890  int i;
1891
1892  owl_fmtext_init_null(&fm);
1893
1894  for (i=0; i<argc; i++) {
1895    ptr = long_zuser(argv[i]);
1896    result = owl_zephyr_zlocate(ptr, auth);
1897    owl_fmtext_append_normal(&fm, result);
1898    owl_free(result);
1899    owl_free(ptr);
1900  }
1901
1902  owl_function_popless_fmtext(&fm);
1903  owl_fmtext_cleanup(&fm);
1904}
1905
1906void owl_function_start_command(const char *line)
1907{
1908  owl_editwin *tw;
1909
1910  tw=owl_global_get_typwin(&g);
1911  owl_global_set_typwin_active(&g);
1912  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
1913                        owl_global_get_cmd_history(&g));
1914
1915  owl_editwin_set_locktext(tw, "command: ");
1916  owl_global_set_needrefresh(&g);
1917
1918  owl_editwin_insert_string(tw, line);
1919  owl_editwin_redisplay(tw);
1920
1921  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1922}
1923
1924void owl_function_start_question(const char *line)
1925{
1926  owl_editwin *tw;
1927
1928  tw=owl_global_get_typwin(&g);
1929  owl_global_set_typwin_active(&g);
1930  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1931
1932  owl_editwin_set_locktext(tw, line);
1933  owl_global_set_needrefresh(&g);
1934
1935  owl_editwin_redisplay(tw);
1936
1937  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editline");
1938}
1939
1940void owl_function_start_password(const char *line)
1941{
1942  owl_editwin *tw;
1943
1944  tw=owl_global_get_typwin(&g);
1945  owl_global_set_typwin_active(&g);
1946  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1947  owl_editwin_set_echochar(tw, '*');
1948
1949  owl_editwin_set_locktext(tw, line);
1950  owl_global_set_needrefresh(&g);
1951
1952  owl_editwin_redisplay(tw);
1953
1954  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1955}
1956
1957char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1958{
1959  /* if type == 1 display in a popup
1960   * if type == 2 display an admin messages
1961   * if type == 0 return output
1962   * else display in a popup
1963   */
1964  const char *redirect = " 2>&1 < /dev/null";
1965  char *newbuff;
1966  char *out;
1967  FILE *p;
1968
1969#if OWL_STDERR_REDIR
1970  redirect = " < /dev/null";
1971#endif
1972
1973  if (argc<2) {
1974    owl_function_error("Wrong number of arguments to the exec command");
1975    return NULL;
1976  }
1977
1978  buff = skiptokens(buff, 1);
1979  newbuff = owl_sprintf("%s%s", buff, redirect);
1980
1981  if (type == 1) {
1982    owl_popexec_new(newbuff);
1983  } else {
1984    p = popen(newbuff, "r");
1985    out = owl_slurp(p);
1986    pclose(p);
1987   
1988    if (type==1) {
1989      owl_function_popless_text(out);
1990    } else if (type==0) {
1991      owl_free(newbuff);
1992      return out;
1993    } else if (type==2) {
1994      owl_function_adminmsg(buff, out);
1995    } else {
1996      owl_function_popless_text(out);
1997    }
1998    owl_free(out);
1999  }
2000  owl_free(newbuff);
2001  return NULL;
2002}
2003
2004char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2005{
2006  /* if type == 1 display in a popup
2007   * if type == 2 display an admin messages
2008   * if type == 0 return output
2009   * else display in a popup
2010   */
2011  char *perlout;
2012
2013  if (argc<2) {
2014    owl_function_error("Wrong number of arguments to perl command");
2015    return NULL;
2016  }
2017
2018  /* consume first token (argv[0]) */
2019  buff = skiptokens(buff, 1);
2020
2021  perlout = owl_perlconfig_execute(buff);
2022  if (perlout) { 
2023    if (type==1) {
2024      owl_function_popless_text(perlout);
2025    } else if (type==2) {
2026      owl_function_adminmsg(buff, perlout);
2027    } else if (type==0) {
2028      return perlout;
2029    } else {
2030      owl_function_popless_text(perlout);
2031    }
2032    owl_free(perlout);
2033  }
2034  return NULL;
2035}
2036
2037/* Change the filter associated with the current view.
2038 * This also figures out which message in the new filter
2039 * should have the pointer.
2040 */
2041void owl_function_change_currentview_filter(const char *filtname)
2042{
2043  owl_view *v;
2044  owl_filter *f;
2045  int curid=-1, newpos, curmsg;
2046  const owl_message *curm=NULL;
2047
2048  v=owl_global_get_current_view(&g);
2049
2050  curmsg=owl_global_get_curmsg(&g);
2051  if (curmsg==-1) {
2052    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2053  } else {
2054    curm=owl_view_get_element(v, curmsg);
2055    if (curm) {
2056      curid=owl_message_get_id(curm);
2057      owl_view_save_curmsgid(v, curid);
2058    }
2059  }
2060
2061  f=owl_global_get_filter(&g, filtname);
2062  if (!f) {
2063    owl_function_error("Unknown filter %s", filtname);
2064    return;
2065  }
2066
2067  owl_view_new_filter(v, f);
2068
2069  /* Figure out what to set the current message to.
2070   * - If the view we're leaving has messages in it, go to the closest message
2071   *   to the last message pointed to in that view.
2072   * - If the view we're leaving is empty, try to restore the position
2073   *   from the last time we were in the new view.  */
2074  if (curm) {
2075    newpos = owl_view_get_nearest_to_msgid(v, curid);
2076  } else {
2077    newpos = owl_view_get_nearest_to_saved(v);
2078  }
2079
2080  owl_global_set_curmsg(&g, newpos);
2081  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2082  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2083  owl_global_set_direction_downwards(&g);
2084}
2085
2086/* Create a new filter, or replace an existing one
2087 * with a new definition.
2088 */
2089void owl_function_create_filter(int argc, const char *const *argv)
2090{
2091  owl_filter *f;
2092  const owl_view *v;
2093  int inuse = 0;
2094
2095  if (argc < 2) {
2096    owl_function_error("Wrong number of arguments to filter command");
2097    return;
2098  }
2099
2100  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2101
2102  v=owl_global_get_current_view(&g);
2103
2104  /* don't touch the all filter */
2105  if (!strcmp(argv[1], "all")) {
2106    owl_function_error("You may not change the 'all' filter.");
2107    return;
2108  }
2109
2110  /* deal with the case of trying change the filter color */
2111  if (argc==4 && !strcmp(argv[2], "-c")) {
2112    f=owl_global_get_filter(&g, argv[1]);
2113    if (!f) {
2114      owl_function_error("The filter '%s' does not exist.", argv[1]);
2115      return;
2116    }
2117    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2118      owl_function_error("The color '%s' is not available.", argv[3]);
2119      return;
2120    }
2121    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2122    owl_global_set_needrefresh(&g);
2123    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2124    return;
2125  }
2126  if (argc==4 && !strcmp(argv[2], "-b")) {
2127    f=owl_global_get_filter(&g, argv[1]);
2128    if (!f) {
2129      owl_function_error("The filter '%s' does not exist.", argv[1]);
2130      return;
2131    }
2132    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2133      owl_function_error("The color '%s' is not available.", argv[3]);
2134      return;
2135    }
2136    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2137    owl_global_set_needrefresh(&g);
2138    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2139    return;
2140  }
2141
2142  /* create the filter and check for errors */
2143  f = owl_filter_new(argv[1], argc-2, argv+2);
2144  if (f == NULL) {
2145    owl_function_error("Invalid filter");
2146    return;
2147  }
2148
2149  /* if the named filter is in use by the current view, remember it */
2150  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2151    inuse=1;
2152  }
2153
2154  /* if the named filter already exists, nuke it */
2155  if (owl_global_get_filter(&g, argv[1])) {
2156    owl_global_remove_filter(&g, argv[1]);
2157  }
2158
2159  /* add the filter */
2160  owl_global_add_filter(&g, f);
2161
2162  /* if it was in use by the current view then update */
2163  if (inuse) {
2164    owl_function_change_currentview_filter(argv[1]);
2165  }
2166  owl_global_set_needrefresh(&g);
2167  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2168}
2169
2170/* If 'filtername' does not start with 'not-' create a filter named
2171 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2172 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2173 * 'filtername' begins with 'not-' and a filter 'filtername' already
2174 * exists, then do nothing.  If the filter 'filtername' does not
2175 * exist, create it and define it as 'not filter <filtername>'
2176 *
2177 * Returns the name of the negated filter, which the caller must free.
2178 */
2179char *owl_function_create_negative_filter(const char *filtername)
2180{
2181  char *newname;
2182  const owl_filter *tmpfilt;
2183  const char *argv[5];
2184
2185  owl_function_debugmsg("owl_function_create_negative_filter");
2186 
2187  if (!strncmp(filtername, "not-", 4)) {
2188    newname=owl_strdup(filtername+4);
2189  } else {
2190    newname=owl_sprintf("not-%s", filtername);
2191  }
2192
2193  tmpfilt=owl_global_get_filter(&g, newname);
2194  if (!tmpfilt) {
2195    argv[0]="filter"; /* anything is fine here */
2196    argv[1]=newname;
2197    argv[2]="not";
2198    argv[3]="filter";
2199    argv[4]=filtername;
2200    owl_function_create_filter(5, argv);
2201  }
2202
2203  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2204  return(newname);
2205}
2206
2207void owl_function_show_filters(void)
2208{
2209  const owl_filter *f;
2210  GList *fl;
2211  owl_fmtext fm;
2212
2213  owl_fmtext_init_null(&fm);
2214
2215  owl_fmtext_append_bold(&fm, "Filters:\n");
2216
2217  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2218    f = fl->data;
2219    owl_fmtext_append_normal(&fm, "   ");
2220    if (owl_global_get_hascolors(&g)) {
2221      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2222    } else {
2223      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2224    }
2225    owl_fmtext_append_normal(&fm, "\n");
2226  }
2227  owl_function_popless_fmtext(&fm);
2228  owl_fmtext_cleanup(&fm);
2229}
2230
2231void owl_function_show_filter(const char *name)
2232{
2233  const owl_filter *f;
2234  char *buff, *tmp;
2235
2236  f=owl_global_get_filter(&g, name);
2237  if (!f) {
2238    owl_function_error("There is no filter named %s", name);
2239    return;
2240  }
2241  tmp = owl_filter_print(f);
2242  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2243  owl_function_popless_text(buff);
2244  owl_free(buff);
2245  owl_free(tmp);
2246}
2247
2248void owl_function_show_zpunts(void)
2249{
2250  const owl_filter *f;
2251  const owl_list *fl;
2252  char buff[5000];
2253  char *tmp;
2254  owl_fmtext fm;
2255  int i, j;
2256
2257  owl_fmtext_init_null(&fm);
2258
2259  fl=owl_global_get_puntlist(&g);
2260  j=owl_list_get_size(fl);
2261  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2262
2263  for (i=0; i<j; i++) {
2264    f=owl_list_get_element(fl, i);
2265    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2266    owl_fmtext_append_normal(&fm, buff);
2267    tmp = owl_filter_print(f);
2268    owl_fmtext_append_normal(&fm, tmp);
2269    owl_free(tmp);
2270  }
2271  owl_function_popless_fmtext(&fm);
2272  owl_fmtext_cleanup(&fm);
2273}
2274
2275/* Create a filter for a class, instance if one doesn't exist.  If
2276 * instance is NULL then catch all messgaes in the class.  Returns the
2277 * name of the filter, which the caller must free.
2278 */
2279char *owl_function_classinstfilt(const char *c, const char *i) 
2280{
2281  owl_filter *f;
2282  char *argbuff, *filtname;
2283  char *tmpclass, *tmpinstance = NULL;
2284  char *class, *instance = NULL;
2285
2286  class = owl_util_baseclass(c);
2287  if(i) {
2288    instance = owl_util_baseclass(i);
2289  }
2290
2291  /* name for the filter */
2292  if (!instance) {
2293    filtname = owl_sprintf("class-%s", class);
2294  } else {
2295    filtname = owl_sprintf("class-%s-instance-%s", class, instance);
2296  }
2297  /* downcase it */
2298  {
2299    char *temp = g_utf8_strdown(filtname, -1);
2300    if (temp) {
2301      owl_free(filtname);
2302      filtname = temp;
2303    }
2304  }
2305  /* turn spaces, single quotes, and double quotes into dots */
2306  owl_text_tr(filtname, ' ', '.');
2307  owl_text_tr(filtname, '\'', '.');
2308  owl_text_tr(filtname, '"', '.');
2309 
2310  /* if it already exists then go with it.  This lets users override */
2311  if (owl_global_get_filter(&g, filtname)) {
2312    return(filtname);
2313  }
2314
2315  /* create the new filter */
2316  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2317  owl_text_tr(tmpclass, ' ', '.');
2318  owl_text_tr(tmpclass, '\'', '.');
2319  owl_text_tr(tmpclass, '"', '.');
2320  if (instance) {
2321    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2322    owl_text_tr(tmpinstance, ' ', '.');
2323    owl_text_tr(tmpinstance, '\'', '.');
2324    owl_text_tr(tmpinstance, '"', '.');
2325  }
2326
2327  argbuff = owl_sprintf("class ^(un)*%s(\\.d)*$", tmpclass);
2328  if (tmpinstance) {
2329    char *tmp = argbuff;
2330    argbuff = owl_sprintf("%s and ( instance ^(un)*%s(\\.d)*$ )", tmp, tmpinstance);
2331    owl_free(tmp);
2332  }
2333  owl_free(tmpclass);
2334  if (tmpinstance) owl_free(tmpinstance);
2335
2336  f = owl_filter_new_fromstring(filtname, argbuff);
2337
2338  /* add it to the global list */
2339  owl_global_add_filter(&g, f);
2340
2341  owl_free(argbuff);
2342  owl_free(class);
2343  if (instance) {
2344    owl_free(instance);
2345  }
2346  return(filtname);
2347}
2348
2349/* Create a filter for personal zephyrs to or from the specified
2350 * zephyr user.  Includes login/logout notifications for the user.
2351 * The name of the filter will be 'user-<user>'.  If a filter already
2352 * exists with this name, no new filter will be created.  This allows
2353 * the configuration to override this function.  Returns the name of
2354 * the filter, which the caller must free.
2355 */
2356char *owl_function_zuserfilt(const char *user)
2357{
2358  owl_filter *f;
2359  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2360
2361  /* stick the local realm on if it's not there */
2362  longuser=long_zuser(user);
2363  shortuser=short_zuser(user);
2364
2365  /* name for the filter */
2366  filtname=owl_sprintf("user-%s", shortuser);
2367
2368  /* if it already exists then go with it.  This lets users override */
2369  if (owl_global_get_filter(&g, filtname)) {
2370    return(owl_strdup(filtname));
2371  }
2372
2373  /* create the new-internal filter */
2374  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2375
2376  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2377      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2378      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2379      esclonguser);
2380
2381  f = owl_filter_new_fromstring(filtname, argbuff);
2382
2383  /* add it to the global list */
2384  owl_global_add_filter(&g, f);
2385
2386  /* free stuff */
2387  owl_free(argbuff);
2388  owl_free(longuser);
2389  owl_free(esclonguser);
2390  owl_free(shortuser);
2391
2392  return(filtname);
2393}
2394
2395/* Create a filter for AIM IM messages to or from the specified
2396 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2397 * filter already exists with this name, no new filter will be
2398 * created.  This allows the configuration to override this function.
2399 * Returns the name of the filter, which the caller must free.
2400 */
2401char *owl_function_aimuserfilt(const char *user)
2402{
2403  owl_filter *f;
2404  char *argbuff, *filtname;
2405  char *escuser;
2406
2407  /* name for the filter */
2408  filtname=owl_sprintf("aimuser-%s", user);
2409
2410  /* if it already exists then go with it.  This lets users override */
2411  if (owl_global_get_filter(&g, filtname)) {
2412    return(owl_strdup(filtname));
2413  }
2414
2415  /* create the new-internal filter */
2416  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2417
2418  argbuff = owl_sprintf(
2419      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2420      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2421      escuser, owl_global_get_aim_screenname_for_filters(&g));
2422
2423  f = owl_filter_new_fromstring(filtname, argbuff);
2424
2425  /* add it to the global list */
2426  owl_global_add_filter(&g, f);
2427
2428  /* free stuff */
2429  owl_free(argbuff);
2430  owl_free(escuser);
2431
2432  return(filtname);
2433}
2434
2435char *owl_function_typefilt(const char *type)
2436{
2437  owl_filter *f;
2438  char *argbuff, *filtname, *esctype;
2439
2440  /* name for the filter */
2441  filtname=owl_sprintf("type-%s", type);
2442
2443  /* if it already exists then go with it.  This lets users override */
2444  if (owl_global_get_filter(&g, filtname)) {
2445    return filtname;
2446  }
2447
2448  /* create the new-internal filter */
2449  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2450
2451  argbuff = owl_sprintf("type ^%s$", esctype);
2452
2453  f = owl_filter_new_fromstring(filtname, argbuff);
2454
2455  /* add it to the global list */
2456  owl_global_add_filter(&g, f);
2457
2458  /* free stuff */
2459  owl_free(argbuff);
2460  owl_free(esctype);
2461
2462  return filtname;
2463}
2464
2465/* If flag is 1, marks for deletion.  If flag is 0,
2466 * unmarks for deletion. */
2467void owl_function_delete_curview_msgs(int flag)
2468{
2469  const owl_view *v;
2470  int i, j;
2471
2472  v=owl_global_get_current_view(&g);
2473  j=owl_view_get_size(v);
2474  for (i=0; i<j; i++) {
2475    if (flag == 1) {
2476      owl_message_mark_delete(owl_view_get_element(v, i));
2477    } else if (flag == 0) {
2478      owl_message_unmark_delete(owl_view_get_element(v, i));
2479    }
2480  }
2481
2482  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2483
2484  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2485}
2486
2487/* Create a filter based on the current message.  Returns the name of
2488 * a filter or null.  The caller must free this name.
2489 *
2490 * if the curmsg is a personal zephyr return a filter name
2491 *    to the zephyr conversation with that user.
2492 * If the curmsg is a zephyr class message, instance foo, recip *,
2493 *    return a filter name to the class, inst.
2494 * If the curmsg is a zephyr class message and type==0 then
2495 *    return a filter name for just the class.
2496 * If the curmsg is a zephyr class message and type==1 then
2497 *    return a filter name for the class and instance.
2498 * If the curmsg is a personal AIM message returna  filter
2499 *    name to the AIM conversation with that user
2500 */
2501char *owl_function_smartfilter(int type)
2502{
2503  const owl_view *v;
2504  const owl_message *m;
2505  char *zperson, *filtname=NULL;
2506  const char *argv[1];
2507 
2508  v=owl_global_get_current_view(&g);
2509  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2510
2511  if (!m || owl_view_get_size(v)==0) {
2512    owl_function_error("No message selected\n");
2513    return(NULL);
2514  }
2515
2516  /* very simple handling of admin messages for now */
2517  if (owl_message_is_type_admin(m)) {
2518    return(owl_function_typefilt("admin"));
2519  }
2520
2521  /* very simple handling of loopback messages for now */
2522  if (owl_message_is_type_loopback(m)) {
2523    return(owl_function_typefilt("loopback"));
2524  }
2525
2526  /* aim messages */
2527  if (owl_message_is_type_aim(m)) {
2528    if (owl_message_is_direction_in(m)) {
2529      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2530    } else if (owl_message_is_direction_out(m)) {
2531      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2532    }
2533    return(filtname);
2534  }
2535
2536  /* narrow personal and login messages to the sender or recip as appropriate */
2537  if (owl_message_is_type_zephyr(m)) {
2538    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2539      if (owl_message_is_direction_in(m)) {
2540        zperson=short_zuser(owl_message_get_sender(m));
2541      } else {
2542        zperson=short_zuser(owl_message_get_recipient(m));
2543      }
2544      filtname=owl_function_zuserfilt(zperson);
2545      owl_free(zperson);
2546      return(filtname);
2547    }
2548
2549    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2550    if (!strcasecmp(owl_message_get_class(m), "message")) {
2551      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2552      return(filtname);
2553    }
2554
2555    /* otherwise narrow to the class */
2556    if (type==0) {
2557      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2558    } else if (type==1) {
2559      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2560    }
2561    return(filtname);
2562  }
2563
2564  /* pass it off to perl */
2565  if(type) {
2566    argv[0] = "-i";
2567  };
2568  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2569}
2570
2571void owl_function_smartzpunt(int type)
2572{
2573  /* Starts a zpunt command based on the current class,instance pair.
2574   * If type=0, uses just class.  If type=1, uses instance as well. */
2575  const owl_view *v;
2576  const owl_message *m;
2577  const char *cmdprefix, *mclass, *minst;
2578  char *cmd;
2579 
2580  v=owl_global_get_current_view(&g);
2581  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2582
2583  if (!m || owl_view_get_size(v)==0) {
2584    owl_function_error("No message selected\n");
2585    return;
2586  }
2587
2588  /* for now we skip admin messages. */
2589  if (owl_message_is_type_admin(m)
2590      || owl_message_is_loginout(m)
2591      || !owl_message_is_type_zephyr(m)) {
2592    owl_function_error("smartzpunt doesn't support this message type.");
2593    return;
2594  }
2595
2596  mclass = owl_message_get_class(m);
2597  minst = owl_message_get_instance(m);
2598  if (!mclass || !*mclass || *mclass==' '
2599      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2600      || (type && (!minst || !*minst|| *minst==' '))) {
2601    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2602                         mclass, minst);
2603  } else {
2604    cmdprefix = "start-command zpunt ";
2605    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2606    strcpy(cmd, cmdprefix);
2607    strcat(cmd, owl_getquoting(mclass));
2608    strcat(cmd, mclass);
2609    strcat(cmd, owl_getquoting(mclass));
2610    if (type) {
2611      strcat(cmd, " ");
2612      strcat(cmd, owl_getquoting(minst));
2613      strcat(cmd, minst);
2614      strcat(cmd, owl_getquoting(minst));
2615    } else {
2616      strcat(cmd, " *");
2617    }
2618    owl_function_command(cmd);
2619    owl_free(cmd);
2620  }
2621}
2622
2623/* Set the color of the current view's filter to
2624 * be 'color'
2625 */
2626void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2627{
2628  const char *name;
2629
2630  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2631  owl_function_color_filter(name, fgcolor, bgcolor);
2632}
2633
2634/* Set the color of the filter 'filter' to be 'color'.  If the color
2635 * name does not exist, return -1, if the filter does not exist or is
2636 * the "all" filter, return -2.  Return 0 on success
2637 */
2638int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2639{
2640  owl_filter *f;
2641
2642  f=owl_global_get_filter(&g, filtname);
2643  if (!f) {
2644    owl_function_error("Unknown filter");
2645    return(-2);
2646  }
2647
2648  /* don't touch the all filter */
2649  if (!strcmp(filtname, "all")) {
2650    owl_function_error("You may not change the 'all' filter.");
2651    return(-2);
2652  }
2653
2654  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2655    owl_function_error("No color named '%s' avilable.", fgcolor);
2656    return(-1);
2657  }
2658
2659
2660  if (bgcolor != NULL) {
2661    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2662      owl_function_error("No color named '%s' avilable.", bgcolor);
2663      return(-1);
2664    }
2665    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2666  }
2667  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2668 
2669  owl_global_set_needrefresh(&g);
2670  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2671  return(0);
2672}
2673
2674void owl_function_show_colors(void)
2675{
2676  owl_fmtext fm;
2677  int i; 
2678 
2679  owl_fmtext_init_null(&fm);
2680  owl_fmtext_append_normal(&fm, "default: ");
2681  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2682
2683  owl_fmtext_append_normal(&fm,"red:      ");
2684  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2685
2686  owl_fmtext_append_normal(&fm,"green:    ");
2687  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2688
2689  owl_fmtext_append_normal(&fm,"yellow:   ");
2690  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2691
2692  owl_fmtext_append_normal(&fm,"blue:     ");
2693  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2694
2695  owl_fmtext_append_normal(&fm,"magenta:  ");
2696  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2697
2698  owl_fmtext_append_normal(&fm,"cyan:     ");
2699  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2700
2701  owl_fmtext_append_normal(&fm,"white:    ");
2702  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2703
2704  for(i = 8; i < COLORS; ++i) {
2705    char* str1 = owl_sprintf("%4i:     ",i);
2706    char* str2 = owl_sprintf("%i\n",i);
2707    owl_fmtext_append_normal(&fm,str1);
2708    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2709    owl_free(str1);
2710     owl_free(str2);
2711  }
2712 
2713  owl_function_popless_fmtext(&fm);
2714  owl_fmtext_cleanup(&fm);
2715}
2716
2717/* add the given class, inst, recip to the punt list for filtering.
2718 *   if direction==0 then punt
2719 *   if direction==1 then unpunt
2720 */
2721void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2722{
2723  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2724  char *quoted;
2725
2726  if (!strcmp(class, "*")) {
2727    classexpr = owl_sprintf("class .*");
2728  } else {
2729    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2730    owl_text_tr(quoted, ' ', '.');
2731    owl_text_tr(quoted, '\'', '.');
2732    owl_text_tr(quoted, '"', '.');
2733    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2734    owl_free(quoted);
2735  }
2736  if (!strcmp(inst, "*")) {
2737    instexpr = owl_sprintf(" and instance .*");
2738  } else {
2739    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2740    owl_text_tr(quoted, ' ', '.');
2741    owl_text_tr(quoted, '\'', '.');
2742    owl_text_tr(quoted, '"', '.');
2743    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2744    owl_free(quoted);
2745  }
2746  if (!strcmp(recip, "*")) {
2747    recipexpr = owl_sprintf("");
2748  } else {
2749    if(!strcmp(recip, "%me%")) {
2750      recip = owl_zephyr_get_sender();
2751    }
2752    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2753    owl_text_tr(quoted, ' ', '.');
2754    owl_text_tr(quoted, '\'', '.');
2755    owl_text_tr(quoted, '"', '.');
2756    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2757    owl_free(quoted);
2758  }
2759
2760  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2761  owl_function_punt(puntexpr, direction);
2762  owl_free(puntexpr);
2763  owl_free(classexpr);
2764  owl_free(instexpr);
2765  owl_free(recipexpr);
2766}
2767
2768void owl_function_punt(const char *filter, int direction)
2769{
2770  owl_filter *f;
2771  owl_list *fl;
2772  int i, j;
2773  fl=owl_global_get_puntlist(&g);
2774
2775  /* first, create the filter */
2776  owl_function_debugmsg("About to filter %s", filter);
2777  f = owl_filter_new_fromstring("punt-filter", filter);
2778  if (f == NULL) {
2779    owl_function_error("Error creating filter for zpunt");
2780    return;
2781  }
2782
2783  /* Check for an identical filter */
2784  j=owl_list_get_size(fl);
2785  for (i=0; i<j; i++) {
2786    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2787      owl_function_debugmsg("found an equivalent punt filter");
2788      /* if we're punting, then just silently bow out on this duplicate */
2789      if (direction==0) {
2790        owl_filter_delete(f);
2791        return;
2792      }
2793
2794      /* if we're unpunting, then remove this filter from the puntlist */
2795      if (direction==1) {
2796        owl_filter_delete(owl_list_get_element(fl, i));
2797        owl_list_remove_element(fl, i);
2798        owl_filter_delete(f);
2799        return;
2800      }
2801    }
2802  }
2803
2804  owl_function_debugmsg("punting");
2805  /* If we're punting, add the filter to the global punt list */
2806  if (direction==0) {
2807    owl_list_append_element(fl, f);
2808  }
2809}
2810
2811void owl_function_show_keymaps(void)
2812{
2813  owl_list l;
2814  owl_fmtext fm;
2815  const owl_keymap *km;
2816  const owl_keyhandler *kh;
2817  int i, numkm;
2818  const char *kmname;
2819
2820  kh = owl_global_get_keyhandler(&g);
2821  owl_fmtext_init_null(&fm);
2822  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2823  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2824  owl_keyhandler_get_keymap_names(kh, &l);
2825  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2826  owl_fmtext_append_normal(&fm, "\n");
2827
2828  numkm = owl_list_get_size(&l);
2829  for (i=0; i<numkm; i++) {
2830    kmname = owl_list_get_element(&l, i);
2831    km = owl_keyhandler_get_keymap(kh, kmname);
2832    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2833    owl_keymap_get_details(km, &fm);   
2834  }
2835  owl_fmtext_append_normal(&fm, "\n");
2836 
2837  owl_function_popless_fmtext(&fm);
2838  owl_keyhandler_keymap_namelist_cleanup(&l);
2839  owl_fmtext_cleanup(&fm);
2840}
2841
2842char *owl_function_keymap_summary(const char *name)
2843{
2844  const owl_keymap *km
2845    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2846  if (km) return owl_keymap_summary(km);
2847  else return(NULL);
2848}
2849
2850/* TODO: implement for real */
2851void owl_function_show_keymap(const char *name)
2852{
2853  owl_fmtext fm;
2854  const owl_keymap *km;
2855
2856  owl_fmtext_init_null(&fm);
2857  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2858  if (km) {
2859    owl_keymap_get_details(km, &fm);
2860  } else {
2861    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2862  } 
2863  owl_function_popless_fmtext(&fm);
2864  owl_fmtext_cleanup(&fm);
2865}
2866
2867void owl_function_help_for_command(const char *cmdname)
2868{
2869  owl_fmtext fm;
2870
2871  owl_fmtext_init_null(&fm);
2872  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2873  owl_function_popless_fmtext(&fm); 
2874  owl_fmtext_cleanup(&fm);
2875}
2876
2877void owl_function_search_start(const char *string, int direction)
2878{
2879  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2880   * OWL_DIRECTION_NONE */
2881  owl_regex re;
2882
2883  if (string && owl_regex_create_quoted(&re, string) == 0) {
2884    owl_global_set_search_re(&g, &re);
2885    owl_regex_cleanup(&re);
2886  } else {
2887    owl_global_set_search_re(&g, NULL);
2888  }
2889
2890  if (direction == OWL_DIRECTION_NONE)
2891    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2892  else
2893    owl_function_search_helper(0, direction);
2894}
2895
2896void owl_function_search_continue(int direction)
2897{
2898  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2899  owl_function_search_helper(1, direction);
2900}
2901
2902void owl_function_search_helper(int mode, int direction)
2903{
2904  /* move to a message that contains the string.  If direction is
2905   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2906   * OWL_DIRECTION_UPWARDS then search backwards.
2907   *
2908   * If mode==0 then it will stay on the current message if it
2909   * contains the string.
2910   */
2911
2912  const owl_view *v;
2913  int viewsize, i, curmsg, start;
2914  owl_message *m;
2915
2916  v=owl_global_get_current_view(&g);
2917  viewsize=owl_view_get_size(v);
2918  curmsg=owl_global_get_curmsg(&g);
2919 
2920  if (viewsize==0) {
2921    owl_function_error("No messages present");
2922    return;
2923  }
2924
2925  if (mode==0) {
2926    start=curmsg;
2927  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2928    start=curmsg+1;
2929  } else {
2930    start=curmsg-1;
2931  }
2932
2933  /* bounds check */
2934  if (start>=viewsize || start<0) {
2935    owl_function_error("No further matches found");
2936    return;
2937  }
2938
2939  for (i=start; i<viewsize && i>=0;) {
2940    m=owl_view_get_element(v, i);
2941    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2942      owl_global_set_curmsg(&g, i);
2943      owl_function_calculate_topmsg(direction);
2944      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2945      if (direction==OWL_DIRECTION_DOWNWARDS) {
2946        owl_global_set_direction_downwards(&g);
2947      } else {
2948        owl_global_set_direction_upwards(&g);
2949      }
2950      return;
2951    }
2952    if (direction==OWL_DIRECTION_DOWNWARDS) {
2953      i++;
2954    } else {
2955      i--;
2956    }
2957    owl_function_mask_sigint(NULL);
2958    if(owl_global_is_interrupted(&g)) {
2959      owl_global_unset_interrupted(&g);
2960      owl_function_unmask_sigint(NULL);
2961      owl_function_makemsg("Search interrupted!");
2962      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2963      return;
2964    }
2965    owl_function_unmask_sigint(NULL);
2966  }
2967  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2968  owl_function_error("No matches found");
2969}
2970
2971/* strips formatting from ztext and returns the unformatted text.
2972 * caller is responsible for freeing. */
2973char *owl_function_ztext_stylestrip(const char *zt)
2974{
2975  owl_fmtext fm;
2976  char *plaintext;
2977
2978  owl_fmtext_init_null(&fm);
2979  owl_fmtext_append_ztext(&fm, zt);
2980  plaintext = owl_fmtext_print_plain(&fm);
2981  owl_fmtext_cleanup(&fm);
2982  return(plaintext);
2983}
2984
2985/* Popup a buddylisting.  If filename is NULL use the default .anyone */
2986void owl_function_buddylist(int aim, int zephyr, const char *filename)
2987{
2988  int i, j, idle;
2989  int interrupted = 0;
2990  owl_fmtext fm;
2991  const owl_buddylist *bl;
2992  const owl_buddy *b;
2993  char *timestr;
2994#ifdef HAVE_LIBZEPHYR
2995  int x;
2996  owl_list anyone;
2997  const char *user;
2998  char *tmp;
2999  ZLocations_t location[200];
3000  int numlocs, ret;
3001#endif
3002
3003  owl_fmtext_init_null(&fm);
3004
3005  /* AIM first */
3006  if (aim && owl_global_is_aimloggedin(&g)) {
3007    bl=owl_global_get_buddylist(&g);
3008
3009    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3010    /* we're assuming AIM for now */
3011    j=owl_buddylist_get_size(bl);
3012    for (i=0; i<j; i++) {
3013      b=owl_buddylist_get_buddy_n(bl, i);
3014      idle=owl_buddy_get_idle_time(b);
3015      if (idle!=0) {
3016        timestr=owl_util_minutes_to_timestr(idle);
3017      } else {
3018        timestr=owl_strdup("");
3019      }
3020      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3021      owl_free(timestr);
3022    }
3023  }
3024
3025#ifdef HAVE_LIBZEPHYR
3026  if (zephyr) {
3027    if(!owl_global_is_havezephyr(&g)) {
3028      owl_function_error("Zephyr currently not available.");
3029    } else {
3030      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3031      owl_list_create(&anyone);
3032      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3033      if (ret) {
3034        if (errno == ENOENT) {
3035          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3036          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3037          owl_fmtext_append_bold(  &fm, "<username>");
3038          owl_fmtext_append_normal(&fm, "'.\n");
3039        } else {
3040          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3041        }
3042      } else {
3043        j=owl_list_get_size(&anyone);
3044        for (i=0; i<j; i++) {
3045          user=owl_list_get_element(&anyone, i);
3046          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3047
3048          owl_function_mask_sigint(NULL);
3049          if(owl_global_is_interrupted(&g)) {
3050            interrupted = 1;
3051            owl_global_unset_interrupted(&g);
3052            owl_function_unmask_sigint(NULL);
3053            owl_function_makemsg("Interrupted!");
3054            break;
3055          }
3056
3057          owl_function_unmask_sigint(NULL);
3058
3059          if (ret!=ZERR_NONE) {
3060            owl_function_error("Error getting location for %s", user);
3061            continue;
3062          }
3063
3064          numlocs=200;
3065          ret=ZGetLocations(location, &numlocs);
3066          if (ret==0) {
3067            for (x=0; x<numlocs; x++) {
3068              tmp=short_zuser(user);
3069              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3070                                        tmp,
3071                                        location[x].host,
3072                                        location[x].tty,
3073                                        location[x].time);
3074              owl_free(tmp);
3075            }
3076            if (numlocs>=200) {
3077              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3078            }
3079          }
3080        }
3081      }
3082      owl_list_cleanup(&anyone, owl_free);
3083    }
3084  }
3085#endif
3086
3087  if (aim && zephyr) {
3088    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3089      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3090      if (perlblist) {
3091        owl_fmtext_append_ztext(&fm, perlblist);
3092        owl_free(perlblist);
3093      }
3094    }
3095  }
3096
3097  if(!interrupted) {
3098    owl_function_popless_fmtext(&fm);
3099  }
3100  owl_fmtext_cleanup(&fm);
3101}
3102
3103/* Dump messages in the current view to the file 'filename'. */
3104void owl_function_dump(const char *filename) 
3105{
3106  int i, j;
3107  owl_message *m;
3108  const owl_view *v;
3109  FILE *file;
3110  char *plaintext;
3111
3112  v=owl_global_get_current_view(&g);
3113
3114  /* in the future make it ask yes/no */
3115  /*
3116  ret=stat(filename, &sbuf);
3117  if (!ret) {
3118    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3119    if (!ret) return;
3120  }
3121  */
3122
3123  file=fopen(filename, "w");
3124  if (!file) {
3125    owl_function_error("Error opening file");
3126    return;
3127  }
3128
3129  j=owl_view_get_size(v);
3130  for (i=0; i<j; i++) {
3131    m=owl_view_get_element(v, i);
3132    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3133    if (plaintext) {
3134      fputs(plaintext, file);
3135      owl_free(plaintext);
3136    }
3137  }
3138  fclose(file);
3139  owl_function_makemsg("Messages dumped to %s", filename);
3140}
3141
3142void owl_function_do_newmsgproc(void)
3143{
3144  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3145    /* if there's a process out there, we need to check on it */
3146    if (owl_global_get_newmsgproc_pid(&g)) {
3147      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3148      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3149      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3150      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3151        /* it exited */
3152        owl_global_set_newmsgproc_pid(&g, 0);
3153        owl_function_debugmsg("newmsgproc exited");
3154      } else {
3155        owl_function_debugmsg("newmsgproc did not exit");
3156      }
3157    }
3158   
3159    /* if it exited, fork & exec a new one */
3160    if (owl_global_get_newmsgproc_pid(&g)==0) {
3161      pid_t i;
3162      int myargc;
3163      i=fork();
3164      if (i) {
3165        /* parent set the child's pid */
3166        owl_global_set_newmsgproc_pid(&g, i);
3167        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3168      } else {
3169        /* child exec's the program */
3170        char **parsed;
3171        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3172        if (myargc < 0) {
3173          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3174        }
3175        if (myargc <= 0) {
3176          _exit(127);
3177        }
3178        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3179        parsed[myargc] = NULL;
3180       
3181        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3182       
3183        execvp(parsed[0], parsed);
3184       
3185       
3186        /* was there an error exec'ing? */
3187        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3188                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3189        _exit(127);
3190      }
3191    }
3192  }
3193}
3194
3195/* print the xterm escape sequence to raise the window */
3196void owl_function_xterm_raise(void)
3197{
3198  printf("\033[5t");
3199}
3200
3201/* print the xterm escape sequence to deiconify the window */
3202void owl_function_xterm_deiconify(void)
3203{
3204  printf("\033[1t");
3205}
3206
3207/* Add the specified command to the startup file.  Eventually this
3208 * should be clever, and rewriting settings that will obviosly
3209 * override earlier settings with 'set' 'bindkey' and 'alias'
3210 * commands.  For now though we just remove any line that would
3211 * duplicate this one and then append this line to the end of
3212 * startupfile.
3213 */
3214void owl_function_addstartup(const char *buff)
3215{
3216  FILE *file;
3217  const char *filename;
3218
3219  filename=owl_global_get_startupfile(&g);
3220
3221  /* delete earlier copies */
3222  owl_util_file_deleteline(filename, buff, 1);
3223
3224  file=fopen(filename, "a");
3225  if (!file) {
3226    owl_function_error("Error opening startupfile for new command");
3227    return;
3228  }
3229
3230  /* add this line */
3231  fprintf(file, "%s\n", buff);
3232
3233  fclose(file);
3234}
3235
3236/* Remove the specified command from the startup file. */
3237void owl_function_delstartup(const char *buff)
3238{
3239  const char *filename;
3240  filename=owl_global_get_startupfile(&g);
3241  owl_util_file_deleteline(filename, buff, 1);
3242}
3243
3244/* Execute owl commands from the given filename.  If the filename
3245 * is NULL, use the default owl startup commands file.
3246 */
3247void owl_function_source(const char *filename)
3248{
3249  char *path;
3250  FILE *file;
3251  char *s = NULL;
3252  int fail_silent = 0;
3253
3254  if (!filename) {
3255    fail_silent = 1;
3256    path = owl_strdup(owl_global_get_startupfile(&g));
3257  } else {
3258    path = owl_util_makepath(filename);
3259  }
3260  file = fopen(path, "r");
3261  owl_free(path);
3262  if (!file) {
3263    if (!fail_silent) {
3264      owl_function_error("Error opening file: %s", filename);
3265    }
3266    return;
3267  }
3268  while (owl_getline_chomp(&s, file)) {
3269    if (s[0] == '\0' || s[0] == '#')
3270      continue;
3271    owl_function_command(s);
3272  }
3273
3274  owl_free(s);
3275  fclose(file);
3276}
3277
3278void owl_function_change_style(owl_view *v, const char *stylename)
3279{
3280  const owl_style *s;
3281
3282  s=owl_global_get_style_by_name(&g, stylename);
3283  if (!s) {
3284    owl_function_error("No style named %s", stylename);
3285    return;
3286  }
3287  owl_view_set_style(v, s);
3288  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3289  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3290  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3291}
3292
3293void owl_function_toggleoneline(void)
3294{
3295  owl_view *v;
3296  const owl_style *s;
3297
3298  v=owl_global_get_current_view(&g);
3299  s=owl_view_get_style(v);
3300
3301  if (!owl_style_matches_name(s, "oneline")) {
3302    owl_function_change_style(v, "oneline");
3303  } else {
3304    owl_function_change_style(v, owl_global_get_default_style(&g));
3305  }
3306
3307  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3308  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3309  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3310}
3311
3312void owl_function_error(const char *fmt, ...)
3313{
3314  static int in_error = 0;
3315  va_list ap;
3316  char *buff;
3317  const char *nl;
3318
3319  if (++in_error > 2) {
3320    /* More than two nested errors, bail immediately. */
3321    in_error--;
3322    return;
3323  }
3324
3325  va_start(ap, fmt);
3326  buff = g_strdup_vprintf(fmt, ap);
3327  va_end(ap);
3328
3329  owl_function_debugmsg("ERROR: %s", buff);
3330  owl_function_log_err(buff);
3331
3332  nl = strchr(buff, '\n');
3333
3334  /*
3335    Showing admin messages triggers a lot of code. If we have a
3336    recursive error call, that's the most likely candidate, so
3337    suppress the call in that case, to try to avoid infinite looping.
3338  */
3339
3340  if(nl && *(nl + 1) && in_error == 1) {
3341    /* Multiline error */
3342    owl_function_adminmsg("ERROR", buff);
3343  } else {
3344    owl_function_makemsg("[Error] %s", buff);
3345  }
3346
3347  owl_free(buff);
3348
3349  in_error--;
3350}
3351
3352void owl_function_log_err(const char *string)
3353{
3354  char *date;
3355  time_t now;
3356  char *buff;
3357
3358  now=time(NULL);
3359  date=owl_strdup(ctime(&now));
3360  date[strlen(date)-1]='\0';
3361
3362  buff = owl_sprintf("%s %s", date, string);
3363
3364  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3365
3366  owl_free(buff);
3367  owl_free(date);
3368}
3369
3370void owl_function_showerrs(void)
3371{
3372  owl_fmtext fm;
3373
3374  owl_fmtext_init_null(&fm);
3375  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3376  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3377  owl_function_popless_fmtext(&fm);
3378}
3379
3380void owl_function_makemsg(const char *fmt, ...)
3381{
3382  va_list ap;
3383  char buff[2048];
3384
3385  if (!owl_global_get_curs_msgwin(&g)) return;
3386
3387  va_start(ap, fmt);
3388  werase(owl_global_get_curs_msgwin(&g));
3389 
3390  vsnprintf(buff, 2048, fmt, ap);
3391  owl_function_debugmsg("makemsg: %s", buff);
3392  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3393  update_panels();
3394  owl_global_set_needrefresh(&g);
3395  va_end(ap);
3396}
3397
3398/* get locations for everyone in .anyone.  If 'notify' is '1' then
3399 * send a pseudo login or logout message for everyone not in sync with
3400 * the global zephyr buddy list.  The list is updated regardless of
3401 * the status of 'notify'.
3402 */
3403void owl_function_zephyr_buddy_check(int notify)
3404{
3405#ifdef HAVE_LIBZEPHYR
3406  int i, j;
3407  owl_list anyone;
3408  owl_message *m;
3409  owl_zbuddylist *zbl;
3410  const char *user;
3411  ZLocations_t location[200];
3412  int numlocs, ret;
3413
3414  if (!owl_global_is_havezephyr(&g)) return;
3415
3416  zbl=owl_global_get_zephyr_buddylist(&g);
3417
3418  owl_list_create(&anyone);
3419  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3420
3421  j=owl_list_get_size(&anyone);
3422  for (i=0; i<j; i++) {
3423    user=owl_list_get_element(&anyone, i);
3424    ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3425    if (ret!=ZERR_NONE) {
3426      owl_function_error("Error getting location for %s", user);
3427      continue;
3428    }
3429    numlocs=200;
3430    ret=ZGetLocations(location, &numlocs);
3431    if (ret==0) {
3432      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3433        /* Send a PSEUDO LOGIN! */
3434        if (notify) {
3435          m=owl_malloc(sizeof(owl_message));
3436          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3437          owl_global_messagequeue_addmsg(&g, m);
3438        }
3439        owl_zbuddylist_adduser(zbl, user);
3440        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3441      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3442        /* I don't think this ever happens (if there are 0 locations we should get an error from
3443         * ZGetLocations)
3444         */
3445        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3446      }
3447    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3448      /* Send a PSEUDO LOGOUT! */
3449      if (notify) {
3450        m=owl_malloc(sizeof(owl_message));
3451        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3452        owl_global_messagequeue_addmsg(&g, m);
3453      }
3454      owl_zbuddylist_deluser(zbl, user);
3455      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3456    }
3457  }
3458
3459  owl_list_cleanup(&anyone, owl_free);
3460#endif
3461}
3462
3463void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3464{
3465  owl_fmtext fm;
3466  int i, j;
3467
3468  owl_fmtext_init_null(&fm);
3469  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3470  owl_fmtext_append_normal(&fm, email);
3471  owl_fmtext_append_normal(&fm, ":\n");
3472
3473  j=owl_list_get_size(namelist);
3474  for (i=0; i<j; i++) {
3475    owl_fmtext_append_normal(&fm, "  ");
3476    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3477    owl_fmtext_append_normal(&fm, "\n");
3478  }
3479
3480  owl_function_popless_fmtext(&fm);
3481  owl_fmtext_cleanup(&fm);
3482}
3483
3484int owl_function_get_color_count(void)
3485{
3486     return COLORS;
3487}
3488
3489void owl_function_mask_sigint(sigset_t *oldmask) {
3490  sigset_t intr;
3491
3492  sigemptyset(&intr);
3493  sigaddset(&intr, SIGINT);
3494  sigprocmask(SIG_BLOCK, &intr, oldmask);
3495}
3496
3497void owl_function_unmask_sigint(sigset_t *oldmask) {
3498  sigset_t intr;
3499
3500  sigemptyset(&intr);
3501  sigaddset(&intr, SIGINT);
3502  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3503}
3504
3505void _owl_function_mark_message(const owl_message *m)
3506{
3507  if (m) {
3508    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3509    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3510  }
3511}
3512
3513void owl_function_mark_message(void)
3514{
3515  const owl_message *m;
3516  const owl_view *v;
3517
3518  v=owl_global_get_current_view(&g);
3519
3520  /* bail if there's no current message */
3521  if (owl_view_get_size(v) < 1) {
3522    owl_function_error("No messages to mark");
3523    return;
3524  }
3525
3526  /* mark the message */
3527  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3528  _owl_function_mark_message(m);
3529  owl_function_makemsg("Mark set");
3530}
3531
3532void owl_function_swap_cur_marked(void)
3533{
3534  int marked_id;
3535  const owl_message *m;
3536  const owl_view *v;
3537
3538  marked_id=owl_global_get_markedmsgid(&g);
3539  if (marked_id == -1) {
3540    owl_function_error("Mark not set.");
3541    return;
3542  }
3543
3544  v=owl_global_get_current_view(&g);
3545  /* bail if there's no current message */
3546  if (owl_view_get_size(v) < 1) {
3547    return;
3548  }
3549
3550  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3551  _owl_function_mark_message(m);
3552  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3553  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3554  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3555  owl_global_set_direction_downwards(&g);
3556}
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