source: functions.c @ 7ab0020

release-1.6release-1.7release-1.8release-1.9
Last change on this file since 7ab0020 was 7ab0020, checked in by Anders Kaseorg <andersk@mit.edu>, 10 years ago
Rename owl_fmtext_free to owl_fmtext_cleanup. Signed-off-by: Anders Kaseorg <andersk@mit.edu> Reviewed-by: Nelson Elhage <nelhage@mit.edu>
  • Property mode set to 100644
File size: 95.9 KB
Line 
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_free(&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_free_all(&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_free(&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_free(&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_free(&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_free(&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_free(&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_free(&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_popwin_refresh(pw);
1287  owl_viewwin_redisplay(v, 0);
1288  owl_global_set_needrefresh(&g);
1289}
1290
1291void owl_function_popless_fmtext(const owl_fmtext *fm)
1292{
1293  owl_popwin *pw;
1294  owl_viewwin *v;
1295
1296  pw=owl_global_get_popwin(&g);
1297  v=owl_global_get_viewwin(&g);
1298
1299  owl_popwin_up(pw);
1300  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1301  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1302                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1303                   fm);
1304  owl_popwin_refresh(pw);
1305  owl_viewwin_redisplay(v, 0);
1306  owl_global_set_needrefresh(&g);
1307}
1308
1309void owl_function_popless_file(const char *filename)
1310{
1311  owl_fmtext fm;
1312  FILE *file;
1313  char *s = NULL;
1314
1315  file=fopen(filename, "r");
1316  if (!file) {
1317    owl_function_error("Could not open file: %s", filename);
1318    return;
1319  }
1320
1321  owl_fmtext_init_null(&fm);
1322  while (owl_getline(&s, file))
1323    owl_fmtext_append_normal(&fm, s);
1324  owl_free(s);
1325
1326  owl_function_popless_fmtext(&fm);
1327  owl_fmtext_cleanup(&fm);
1328  fclose(file);
1329}
1330
1331void owl_function_about(void)
1332{
1333  owl_function_popless_text(
1334    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1335    "barnowl is a fork of the Owl zephyr client, written and\n"
1336    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1337    "Massachusetts Institute of Technology. \n"
1338    "\n"
1339    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1340    "released in March 2002.\n"
1341    "\n"
1342    "The name 'owl' was chosen in reference to the owls in the\n"
1343    "Harry Potter novels, who are tasked with carrying messages\n"
1344    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1345    "because we feel our owls should live closer to our ponies.\n"
1346    "\n"
1347    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
1348    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1349    "Copyright 2002 Massachusetts Institute of Technology\n"
1350    "\n"
1351    "This program is free software. You can redistribute it and/or\n"
1352    "modify under the terms of the Sleepycat License. Use the \n"
1353    "':show license' command to display the full license\n"
1354  );
1355}
1356
1357void owl_function_info(void)
1358{
1359  const owl_message *m;
1360  owl_fmtext fm, attrfm;
1361  const owl_view *v;
1362#ifdef HAVE_LIBZEPHYR
1363  const ZNotice_t *n;
1364#endif
1365
1366  owl_fmtext_init_null(&fm);
1367 
1368  v=owl_global_get_current_view(&g);
1369  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1370  if (!m || owl_view_get_size(v)==0) {
1371    owl_function_error("No message selected\n");
1372    return;
1373  }
1374
1375  owl_fmtext_append_bold(&fm, "General Information:\n");
1376  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1377
1378  owl_fmtext_append_normal(&fm, "  Type      : ");
1379  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1380  owl_fmtext_append_normal(&fm, "\n");
1381
1382  if (owl_message_is_direction_in(m)) {
1383    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1384  } else if (owl_message_is_direction_out(m)) {
1385    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1386  } else if (owl_message_is_direction_none(m)) {
1387    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1388  } else {
1389    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1390  }
1391
1392  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1393
1394  if (!owl_message_is_type_admin(m)) {
1395    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1396    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1397  }
1398
1399  if (owl_message_is_type_zephyr(m)) {
1400    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1401   
1402    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1403    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1404    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1405#ifdef HAVE_LIBZEPHYR
1406    if (owl_message_is_direction_in(m)) {
1407      char *ptr, tmpbuff[1024];
1408      int i, j, fields, len;
1409
1410      n=owl_message_get_notice(m);
1411
1412      if (!owl_message_is_pseudo(m)) {
1413        owl_fmtext_append_normal(&fm, "  Kind      : ");
1414        if (n->z_kind==UNSAFE) {
1415          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1416        } else if (n->z_kind==UNACKED) {
1417          owl_fmtext_append_normal(&fm, "UNACKED\n");
1418        } else if (n->z_kind==ACKED) {
1419          owl_fmtext_append_normal(&fm, "ACKED\n");
1420        } else if (n->z_kind==HMACK) {
1421          owl_fmtext_append_normal(&fm, "HMACK\n");
1422        } else if (n->z_kind==HMCTL) {
1423          owl_fmtext_append_normal(&fm, "HMCTL\n");
1424        } else if (n->z_kind==SERVACK) {
1425          owl_fmtext_append_normal(&fm, "SERVACK\n");
1426        } else if (n->z_kind==SERVNAK) {
1427          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1428        } else if (n->z_kind==CLIENTACK) {
1429          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1430        } else if (n->z_kind==STAT) {
1431          owl_fmtext_append_normal(&fm, "STAT\n");
1432        } else {
1433          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1434        }
1435      }
1436      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1437
1438      if (!owl_message_is_pseudo(m)) {
1439        owl_fmtext_append_normal(&fm, "\n");
1440        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1441        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1442
1443        /* FIXME make these more descriptive */
1444        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1445        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1446        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1447        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1448
1449        fields=owl_zephyr_get_num_fields(n);
1450        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1451
1452        for (i=0; i<fields; i++) {
1453          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1454          len=strlen(ptr);
1455          if (len<30) {
1456            strncpy(tmpbuff, ptr, len);
1457            tmpbuff[len]='\0';
1458          } else {
1459            strncpy(tmpbuff, ptr, 30);
1460            tmpbuff[30]='\0';
1461            strcat(tmpbuff, "...");
1462          }
1463          owl_free(ptr);
1464
1465          for (j=0; j<strlen(tmpbuff); j++) {
1466            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1467            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1468          }
1469
1470          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1471        }
1472        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1473      }
1474
1475    }
1476#endif
1477  }
1478
1479  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1480  owl_message_attributes_tofmtext(m, &attrfm);
1481  owl_fmtext_append_fmtext(&fm, &attrfm);
1482 
1483  owl_function_popless_fmtext(&fm);
1484  owl_fmtext_cleanup(&fm);
1485  owl_fmtext_cleanup(&attrfm);
1486}
1487
1488/* print the current message in a popup window.
1489 * Use the 'default' style regardless of whatever
1490 * style the user may be using
1491 */
1492void owl_function_curmsg_to_popwin(void)
1493{
1494  const owl_view *v;
1495  const owl_message *m;
1496  const owl_style *s;
1497  owl_fmtext fm;
1498
1499  v=owl_global_get_current_view(&g);
1500  s=owl_global_get_style_by_name(&g, "default");
1501
1502  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1503
1504  if (!m || owl_view_get_size(v)==0) {
1505    owl_function_error("No current message");
1506    return;
1507  }
1508
1509  owl_fmtext_init_null(&fm);
1510  owl_style_get_formattext(s, &fm, m);
1511
1512  owl_function_popless_fmtext(&fm);
1513  owl_fmtext_cleanup(&fm);
1514}
1515
1516void owl_function_page_curmsg(int step)
1517{
1518  /* scroll down or up within the current message IF the message is truncated */
1519
1520  int offset, curmsg, lines;
1521  const owl_view *v;
1522  owl_message *m;
1523
1524  offset=owl_global_get_curmsg_vert_offset(&g);
1525  v=owl_global_get_current_view(&g);
1526  curmsg=owl_global_get_curmsg(&g);
1527  m=owl_view_get_element(v, curmsg);
1528  if (!m || owl_view_get_size(v)==0) return;
1529  lines=owl_message_get_numlines(m);
1530
1531  if (offset==0) {
1532    /* Bail if the curmsg isn't the last one displayed */
1533    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1534      owl_function_makemsg("The entire message is already displayed");
1535      return;
1536    }
1537   
1538    /* Bail if we're not truncated */
1539    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1540      owl_function_makemsg("The entire message is already displayed");
1541      return;
1542    }
1543  }
1544 
1545 
1546  /* don't scroll past the last line */
1547  if (step>0) {
1548    if (offset+step > lines-1) {
1549      owl_global_set_curmsg_vert_offset(&g, lines-1);
1550    } else {
1551      owl_global_set_curmsg_vert_offset(&g, offset+step);
1552    }
1553  }
1554
1555  /* would we be before the beginning of the message? */
1556  if (step<0) {
1557    if (offset+step<0) {
1558      owl_global_set_curmsg_vert_offset(&g, 0);
1559    } else {
1560      owl_global_set_curmsg_vert_offset(&g, offset+step);
1561    }
1562  }
1563 
1564  /* redisplay */
1565  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1566  owl_global_set_needrefresh(&g);
1567}
1568
1569void owl_function_resize_typwin(int newsize)
1570{
1571  owl_global_set_typwin_lines(&g, newsize);
1572  owl_function_resize();
1573}
1574
1575void owl_function_mainwin_pagedown(void)
1576{
1577  int i;
1578
1579  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1580  if (i<0) return;
1581  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1582      && (owl_global_get_curmsg(&g) < i)
1583      && (i>0)) {
1584    i--;
1585  }
1586  owl_global_set_curmsg(&g, i);
1587  owl_function_nextmsg();
1588}
1589
1590void owl_function_mainwin_pageup(void)
1591{
1592  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1593  owl_function_prevmsg();
1594}
1595
1596void owl_function_getsubs(void)
1597{
1598  char *buff;
1599
1600  buff=owl_zephyr_getsubs();
1601
1602  if (buff) {
1603    owl_function_popless_text(buff);
1604  } else {
1605    owl_function_popless_text("Error getting subscriptions");
1606  }
1607           
1608  owl_free(buff);
1609}
1610
1611void owl_function_printallvars(void)
1612{
1613  const char *name;
1614  char var[LINE];
1615  owl_list varnames;
1616  int i, numvarnames;
1617  GString *str   = g_string_new("");
1618
1619  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1620  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1621  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1622  numvarnames = owl_list_get_size(&varnames);
1623  for (i=0; i<numvarnames; i++) {
1624    name = owl_list_get_element(&varnames, i);
1625    if (name && name[0]!='_') {
1626      g_string_append_printf(str, "\n%-20s = ", name);
1627      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1628      g_string_append(str, var);
1629    }
1630  }
1631  g_string_append(str, "\n");
1632  owl_variable_dict_namelist_free(&varnames);
1633
1634  owl_function_popless_text(str->str);
1635  g_string_free(str, TRUE);
1636}
1637
1638void owl_function_show_variables(void)
1639{
1640  owl_list varnames;
1641  owl_fmtext fm; 
1642  int i, numvarnames;
1643  const char *varname;
1644
1645  owl_fmtext_init_null(&fm);
1646  owl_fmtext_append_bold(&fm, 
1647      "Variables: (use 'show variable <name>' for details)\n");
1648  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1649  numvarnames = owl_list_get_size(&varnames);
1650  for (i=0; i<numvarnames; i++) {
1651    varname = owl_list_get_element(&varnames, i);
1652    if (varname && varname[0]!='_') {
1653      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1654    }
1655  }
1656  owl_variable_dict_namelist_free(&varnames);
1657  owl_function_popless_fmtext(&fm);
1658  owl_fmtext_cleanup(&fm);
1659}
1660
1661void owl_function_show_variable(const char *name)
1662{
1663  owl_fmtext fm; 
1664
1665  owl_fmtext_init_null(&fm);
1666  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1667  owl_function_popless_fmtext(&fm);
1668  owl_fmtext_cleanup(&fm);
1669}
1670
1671/* note: this applies to global message list, not to view.
1672 * If flag is 1, deletes.  If flag is 0, undeletes. */
1673void owl_function_delete_by_id(int id, int flag)
1674{
1675  const owl_messagelist *ml;
1676  owl_message *m;
1677  ml = owl_global_get_msglist(&g);
1678  m = owl_messagelist_get_by_id(ml, id);
1679  if (m) {
1680    if (flag == 1) {
1681      owl_message_mark_delete(m);
1682    } else if (flag == 0) {
1683      owl_message_unmark_delete(m);
1684    }
1685    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1686    owl_global_set_needrefresh(&g);
1687  } else {
1688    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1689  }
1690}
1691
1692void owl_function_delete_automsgs(void)
1693{
1694  /* mark for deletion all messages in the current view that match the
1695   * 'trash' filter */
1696
1697  int i, j, count;
1698  owl_message *m;
1699  const owl_view *v;
1700  const owl_filter *f;
1701
1702  /* get the trash filter */
1703  f=owl_global_get_filter(&g, "trash");
1704  if (!f) {
1705    owl_function_error("No trash filter defined");
1706    return;
1707  }
1708
1709  v=owl_global_get_current_view(&g);
1710
1711  count=0;
1712  j=owl_view_get_size(v);
1713  for (i=0; i<j; i++) {
1714    m=owl_view_get_element(v, i);
1715    if (owl_filter_message_match(f, m)) {
1716      count++;
1717      owl_message_mark_delete(m);
1718    }
1719  }
1720  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1721  owl_function_makemsg("%i messages marked for deletion", count);
1722  owl_global_set_needrefresh(&g);
1723}
1724
1725void owl_function_status(void)
1726{
1727  char buff[MAXPATHLEN+1];
1728  time_t start;
1729  int up, days, hours, minutes;
1730  owl_fmtext fm;
1731
1732  owl_fmtext_init_null(&fm);
1733
1734  start=owl_global_get_starttime(&g);
1735
1736  owl_fmtext_append_normal(&fm, "General Information:\n");
1737
1738  owl_fmtext_append_normal(&fm, "  Version: ");
1739  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1740  owl_fmtext_append_normal(&fm, "\n");
1741
1742  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1743  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1744  owl_fmtext_append_normal(&fm, "\n");
1745
1746  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1747  if(getcwd(buff, MAXPATHLEN) == NULL) {
1748    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1749  } else {
1750    owl_fmtext_append_normal(&fm, buff);
1751  }
1752  owl_fmtext_append_normal(&fm, "\n");
1753
1754  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1755
1756  up=owl_global_get_runtime(&g);
1757  days=up/86400;
1758  up-=days*86400;
1759  hours=up/3600;
1760  up-=hours*3600;
1761  minutes=up/60;
1762  up-=minutes*60;
1763  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1764
1765  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1766  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1767  if (owl_global_is_havezephyr(&g)) {
1768    owl_fmtext_append_normal(&fm, "yes\n");
1769  } else {
1770    owl_fmtext_append_normal(&fm, "no\n");
1771  }
1772  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1773  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1774
1775
1776  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1777  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1778#if OWL_STDERR_REDIR
1779  owl_fmtext_append_normal(&fm, "yes\n");
1780#else
1781  owl_fmtext_append_normal(&fm, "no\n");
1782#endif
1783 
1784
1785  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1786  owl_fmtext_append_normal(&fm, "  Logged in: ");
1787  if (owl_global_is_aimloggedin(&g)) {
1788    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1789    owl_fmtext_append_normal(&fm, "\n");
1790  } else {
1791    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1792  }
1793
1794  owl_fmtext_append_normal(&fm, "  Processing events: ");
1795  if (owl_global_is_doaimevents(&g)) {
1796    owl_fmtext_append_normal(&fm, "yes\n");
1797  } else {
1798    owl_fmtext_append_normal(&fm, "no\n");
1799  }
1800
1801  owl_function_popless_fmtext(&fm);
1802  owl_fmtext_cleanup(&fm);
1803}
1804
1805void owl_function_show_term(void)
1806{
1807  owl_fmtext fm;
1808
1809  owl_fmtext_init_null(&fm);
1810  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1811          owl_global_get_lines(&g),
1812          owl_global_get_cols(&g));
1813
1814  if (owl_global_get_hascolors(&g)) {
1815    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1816    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1817    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1818  } else {
1819    owl_fmtext_append_normal(&fm, "Color: No\n");
1820  }
1821
1822  owl_function_popless_fmtext(&fm);
1823  owl_fmtext_cleanup(&fm);
1824}
1825
1826/* if type = 0 then normal reply.
1827 * if type = 1 then it's a reply to sender
1828 * if enter = 0 then allow the command to be edited
1829 * if enter = 1 then don't wait for editing
1830 */
1831void owl_function_reply(int type, int enter)
1832{
1833  char *buff=NULL;
1834  const owl_message *m;
1835  const owl_filter *f;
1836 
1837  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1838    owl_function_error("No message selected");
1839  } else {
1840    char *cmd;
1841   
1842    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1843    if (!m) {
1844      owl_function_error("No message selected");
1845      return;
1846    }
1847
1848    /* first check if we catch the reply-lockout filter */
1849    f=owl_global_get_filter(&g, "reply-lockout");
1850    if (f) {
1851      if (owl_filter_message_match(f, m)) {
1852        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1853        return;
1854      }
1855    }
1856
1857    /* then check if it's a question and just bring up the command prompt */
1858    if (owl_message_is_question(m)) {
1859      owl_function_start_command("");
1860      return;
1861    }
1862
1863    if((type == 0 &&
1864        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1865       (type == 1 &&
1866        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1867      buff = cmd;
1868    }
1869
1870    if(!buff) {
1871        owl_function_error("I don't know how to reply to that message.");
1872        return;
1873    }
1874
1875    if (enter) {
1876      owl_history *hist = owl_global_get_cmd_history(&g);
1877      owl_history_store(hist, buff);
1878      owl_history_reset(hist);
1879      owl_function_command_norv(buff);
1880    } else {
1881      owl_function_start_command(buff);
1882    }
1883    owl_free(buff);
1884  }
1885}
1886
1887void owl_function_zlocate(int argc, const char *const *argv, int auth)
1888{
1889  owl_fmtext fm;
1890  char *ptr;
1891  char *result;
1892  int i;
1893
1894  owl_fmtext_init_null(&fm);
1895
1896  for (i=0; i<argc; i++) {
1897    ptr = long_zuser(argv[i]);
1898    result = owl_zephyr_zlocate(ptr, auth);
1899    owl_fmtext_append_normal(&fm, result);
1900    owl_free(result);
1901    owl_free(ptr);
1902  }
1903
1904  owl_function_popless_fmtext(&fm);
1905  owl_fmtext_cleanup(&fm);
1906}
1907
1908void owl_function_start_command(const char *line)
1909{
1910  owl_editwin *tw;
1911
1912  tw=owl_global_get_typwin(&g);
1913  owl_global_set_typwin_active(&g);
1914  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
1915                        owl_global_get_cmd_history(&g));
1916
1917  owl_editwin_set_locktext(tw, "command: ");
1918  owl_global_set_needrefresh(&g);
1919
1920  owl_editwin_insert_string(tw, line);
1921  owl_editwin_redisplay(tw, 0);
1922
1923  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1924}
1925
1926void owl_function_start_question(const char *line)
1927{
1928  owl_editwin *tw;
1929
1930  tw=owl_global_get_typwin(&g);
1931  owl_global_set_typwin_active(&g);
1932  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1933
1934  owl_editwin_set_locktext(tw, line);
1935  owl_global_set_needrefresh(&g);
1936
1937  owl_editwin_redisplay(tw, 0);
1938
1939  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editline");
1940}
1941
1942void owl_function_start_password(const char *line)
1943{
1944  owl_editwin *tw;
1945
1946  tw=owl_global_get_typwin(&g);
1947  owl_global_set_typwin_active(&g);
1948  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1949  owl_editwin_set_echochar(tw, '*');
1950
1951  owl_editwin_set_locktext(tw, line);
1952  owl_global_set_needrefresh(&g);
1953
1954  owl_editwin_redisplay(tw, 0);
1955
1956  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1957}
1958
1959char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1960{
1961  /* if type == 1 display in a popup
1962   * if type == 2 display an admin messages
1963   * if type == 0 return output
1964   * else display in a popup
1965   */
1966  const char *redirect = " 2>&1 < /dev/null";
1967  char *newbuff;
1968  char *out;
1969  FILE *p;
1970
1971#if OWL_STDERR_REDIR
1972  redirect = " < /dev/null";
1973#endif
1974
1975  if (argc<2) {
1976    owl_function_error("Wrong number of arguments to the exec command");
1977    return NULL;
1978  }
1979
1980  buff = skiptokens(buff, 1);
1981  newbuff = owl_sprintf("%s%s", buff, redirect);
1982
1983  if (type == 1) {
1984    owl_popexec_new(newbuff);
1985  } else {
1986    p = popen(newbuff, "r");
1987    out = owl_slurp(p);
1988    pclose(p);
1989   
1990    if (type==1) {
1991      owl_function_popless_text(out);
1992    } else if (type==0) {
1993      owl_free(newbuff);
1994      return out;
1995    } else if (type==2) {
1996      owl_function_adminmsg(buff, out);
1997    } else {
1998      owl_function_popless_text(out);
1999    }
2000    owl_free(out);
2001  }
2002  owl_free(newbuff);
2003  return NULL;
2004}
2005
2006char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2007{
2008  /* if type == 1 display in a popup
2009   * if type == 2 display an admin messages
2010   * if type == 0 return output
2011   * else display in a popup
2012   */
2013  char *perlout;
2014
2015  if (argc<2) {
2016    owl_function_error("Wrong number of arguments to perl command");
2017    return NULL;
2018  }
2019
2020  /* consume first token (argv[0]) */
2021  buff = skiptokens(buff, 1);
2022
2023  perlout = owl_perlconfig_execute(buff);
2024  if (perlout) { 
2025    if (type==1) {
2026      owl_function_popless_text(perlout);
2027    } else if (type==2) {
2028      owl_function_adminmsg(buff, perlout);
2029    } else if (type==0) {
2030      return perlout;
2031    } else {
2032      owl_function_popless_text(perlout);
2033    }
2034    owl_free(perlout);
2035  }
2036  return NULL;
2037}
2038
2039/* Change the filter associated with the current view.
2040 * This also figures out which message in the new filter
2041 * should have the pointer.
2042 */
2043void owl_function_change_currentview_filter(const char *filtname)
2044{
2045  owl_view *v;
2046  owl_filter *f;
2047  int curid=-1, newpos, curmsg;
2048  const owl_message *curm=NULL;
2049
2050  v=owl_global_get_current_view(&g);
2051
2052  curmsg=owl_global_get_curmsg(&g);
2053  if (curmsg==-1) {
2054    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2055  } else {
2056    curm=owl_view_get_element(v, curmsg);
2057    if (curm) {
2058      curid=owl_message_get_id(curm);
2059      owl_view_save_curmsgid(v, curid);
2060    }
2061  }
2062
2063  f=owl_global_get_filter(&g, filtname);
2064  if (!f) {
2065    owl_function_error("Unknown filter %s", filtname);
2066    return;
2067  }
2068
2069  owl_view_new_filter(v, f);
2070
2071  /* Figure out what to set the current message to.
2072   * - If the view we're leaving has messages in it, go to the closest message
2073   *   to the last message pointed to in that view.
2074   * - If the view we're leaving is empty, try to restore the position
2075   *   from the last time we were in the new view.  */
2076  if (curm) {
2077    newpos = owl_view_get_nearest_to_msgid(v, curid);
2078  } else {
2079    newpos = owl_view_get_nearest_to_saved(v);
2080  }
2081
2082  owl_global_set_curmsg(&g, newpos);
2083  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2084  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2085  owl_global_set_direction_downwards(&g);
2086}
2087
2088/* Create a new filter, or replace an existing one
2089 * with a new definition.
2090 */
2091void owl_function_create_filter(int argc, const char *const *argv)
2092{
2093  owl_filter *f;
2094  const owl_view *v;
2095  int inuse = 0;
2096
2097  if (argc < 2) {
2098    owl_function_error("Wrong number of arguments to filter command");
2099    return;
2100  }
2101
2102  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2103
2104  v=owl_global_get_current_view(&g);
2105
2106  /* don't touch the all filter */
2107  if (!strcmp(argv[1], "all")) {
2108    owl_function_error("You may not change the 'all' filter.");
2109    return;
2110  }
2111
2112  /* deal with the case of trying change the filter color */
2113  if (argc==4 && !strcmp(argv[2], "-c")) {
2114    f=owl_global_get_filter(&g, argv[1]);
2115    if (!f) {
2116      owl_function_error("The filter '%s' does not exist.", argv[1]);
2117      return;
2118    }
2119    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2120      owl_function_error("The color '%s' is not available.", argv[3]);
2121      return;
2122    }
2123    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2124    owl_global_set_needrefresh(&g);
2125    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2126    return;
2127  }
2128  if (argc==4 && !strcmp(argv[2], "-b")) {
2129    f=owl_global_get_filter(&g, argv[1]);
2130    if (!f) {
2131      owl_function_error("The filter '%s' does not exist.", argv[1]);
2132      return;
2133    }
2134    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2135      owl_function_error("The color '%s' is not available.", argv[3]);
2136      return;
2137    }
2138    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2139    owl_global_set_needrefresh(&g);
2140    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2141    return;
2142  }
2143
2144  /* create the filter and check for errors */
2145  f = owl_filter_new(argv[1], argc-2, argv+2);
2146  if (f == NULL) {
2147    owl_function_error("Invalid filter");
2148    return;
2149  }
2150
2151  /* if the named filter is in use by the current view, remember it */
2152  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2153    inuse=1;
2154  }
2155
2156  /* if the named filter already exists, nuke it */
2157  if (owl_global_get_filter(&g, argv[1])) {
2158    owl_global_remove_filter(&g, argv[1]);
2159  }
2160
2161  /* add the filter */
2162  owl_global_add_filter(&g, f);
2163
2164  /* if it was in use by the current view then update */
2165  if (inuse) {
2166    owl_function_change_currentview_filter(argv[1]);
2167  }
2168  owl_global_set_needrefresh(&g);
2169  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2170}
2171
2172/* If 'filtername' does not start with 'not-' create a filter named
2173 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2174 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2175 * 'filtername' begins with 'not-' and a filter 'filtername' already
2176 * exists, then do nothing.  If the filter 'filtername' does not
2177 * exist, create it and define it as 'not filter <filtername>'
2178 *
2179 * Returns the name of the negated filter, which the caller must free.
2180 */
2181char *owl_function_create_negative_filter(const char *filtername)
2182{
2183  char *newname;
2184  const owl_filter *tmpfilt;
2185  const char *argv[5];
2186
2187  owl_function_debugmsg("owl_function_create_negative_filter");
2188 
2189  if (!strncmp(filtername, "not-", 4)) {
2190    newname=owl_strdup(filtername+4);
2191  } else {
2192    newname=owl_sprintf("not-%s", filtername);
2193  }
2194
2195  tmpfilt=owl_global_get_filter(&g, newname);
2196  if (!tmpfilt) {
2197    argv[0]="filter"; /* anything is fine here */
2198    argv[1]=newname;
2199    argv[2]="not";
2200    argv[3]="filter";
2201    argv[4]=filtername;
2202    owl_function_create_filter(5, argv);
2203  }
2204
2205  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2206  return(newname);
2207}
2208
2209void owl_function_show_filters(void)
2210{
2211  const owl_filter *f;
2212  GList *fl;
2213  owl_fmtext fm;
2214
2215  owl_fmtext_init_null(&fm);
2216
2217  owl_fmtext_append_bold(&fm, "Filters:\n");
2218
2219  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2220    f = fl->data;
2221    owl_fmtext_append_normal(&fm, "   ");
2222    if (owl_global_get_hascolors(&g)) {
2223      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2224    } else {
2225      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2226    }
2227    owl_fmtext_append_normal(&fm, "\n");
2228  }
2229  owl_function_popless_fmtext(&fm);
2230  owl_fmtext_cleanup(&fm);
2231}
2232
2233void owl_function_show_filter(const char *name)
2234{
2235  const owl_filter *f;
2236  char *buff, *tmp;
2237
2238  f=owl_global_get_filter(&g, name);
2239  if (!f) {
2240    owl_function_error("There is no filter named %s", name);
2241    return;
2242  }
2243  tmp = owl_filter_print(f);
2244  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2245  owl_function_popless_text(buff);
2246  owl_free(buff);
2247  owl_free(tmp);
2248}
2249
2250void owl_function_show_zpunts(void)
2251{
2252  const owl_filter *f;
2253  const owl_list *fl;
2254  char buff[5000];
2255  char *tmp;
2256  owl_fmtext fm;
2257  int i, j;
2258
2259  owl_fmtext_init_null(&fm);
2260
2261  fl=owl_global_get_puntlist(&g);
2262  j=owl_list_get_size(fl);
2263  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2264
2265  for (i=0; i<j; i++) {
2266    f=owl_list_get_element(fl, i);
2267    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2268    owl_fmtext_append_normal(&fm, buff);
2269    tmp = owl_filter_print(f);
2270    owl_fmtext_append_normal(&fm, tmp);
2271    owl_free(tmp);
2272  }
2273  owl_function_popless_fmtext(&fm);
2274  owl_fmtext_cleanup(&fm);
2275}
2276
2277/* Create a filter for a class, instance if one doesn't exist.  If
2278 * instance is NULL then catch all messgaes in the class.  Returns the
2279 * name of the filter, which the caller must free.
2280 */
2281char *owl_function_classinstfilt(const char *c, const char *i) 
2282{
2283  owl_filter *f;
2284  char *argbuff, *filtname;
2285  char *tmpclass, *tmpinstance = NULL;
2286  char *class, *instance = NULL;
2287
2288  class = owl_util_baseclass(c);
2289  if(i) {
2290    instance = owl_util_baseclass(i);
2291  }
2292
2293  /* name for the filter */
2294  if (!instance) {
2295    filtname = owl_sprintf("class-%s", class);
2296  } else {
2297    filtname = owl_sprintf("class-%s-instance-%s", class, instance);
2298  }
2299  /* downcase it */
2300  {
2301    char *temp = g_utf8_strdown(filtname, -1);
2302    if (temp) {
2303      owl_free(filtname);
2304      filtname = temp;
2305    }
2306  }
2307  /* turn spaces, single quotes, and double quotes into dots */
2308  owl_text_tr(filtname, ' ', '.');
2309  owl_text_tr(filtname, '\'', '.');
2310  owl_text_tr(filtname, '"', '.');
2311 
2312  /* if it already exists then go with it.  This lets users override */
2313  if (owl_global_get_filter(&g, filtname)) {
2314    return(filtname);
2315  }
2316
2317  /* create the new filter */
2318  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2319  owl_text_tr(tmpclass, ' ', '.');
2320  owl_text_tr(tmpclass, '\'', '.');
2321  owl_text_tr(tmpclass, '"', '.');
2322  if (instance) {
2323    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2324    owl_text_tr(tmpinstance, ' ', '.');
2325    owl_text_tr(tmpinstance, '\'', '.');
2326    owl_text_tr(tmpinstance, '"', '.');
2327  }
2328
2329  argbuff = owl_sprintf("class ^(un)*%s(\\.d)*$", tmpclass);
2330  if (tmpinstance) {
2331    char *tmp = argbuff;
2332    argbuff = owl_sprintf("%s and ( instance ^(un)*%s(\\.d)*$ )", tmp, tmpinstance);
2333    owl_free(tmp);
2334  }
2335  owl_free(tmpclass);
2336  if (tmpinstance) owl_free(tmpinstance);
2337
2338  f = owl_filter_new_fromstring(filtname, argbuff);
2339
2340  /* add it to the global list */
2341  owl_global_add_filter(&g, f);
2342
2343  owl_free(argbuff);
2344  owl_free(class);
2345  if (instance) {
2346    owl_free(instance);
2347  }
2348  return(filtname);
2349}
2350
2351/* Create a filter for personal zephyrs to or from the specified
2352 * zephyr user.  Includes login/logout notifications for the user.
2353 * The name of the filter will be 'user-<user>'.  If a filter already
2354 * exists with this name, no new filter will be created.  This allows
2355 * the configuration to override this function.  Returns the name of
2356 * the filter, which the caller must free.
2357 */
2358char *owl_function_zuserfilt(const char *user)
2359{
2360  owl_filter *f;
2361  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2362
2363  /* stick the local realm on if it's not there */
2364  longuser=long_zuser(user);
2365  shortuser=short_zuser(user);
2366
2367  /* name for the filter */
2368  filtname=owl_sprintf("user-%s", shortuser);
2369
2370  /* if it already exists then go with it.  This lets users override */
2371  if (owl_global_get_filter(&g, filtname)) {
2372    return(owl_strdup(filtname));
2373  }
2374
2375  /* create the new-internal filter */
2376  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2377
2378  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2379      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2380      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2381      esclonguser);
2382
2383  f = owl_filter_new_fromstring(filtname, argbuff);
2384
2385  /* add it to the global list */
2386  owl_global_add_filter(&g, f);
2387
2388  /* free stuff */
2389  owl_free(argbuff);
2390  owl_free(longuser);
2391  owl_free(esclonguser);
2392  owl_free(shortuser);
2393
2394  return(filtname);
2395}
2396
2397/* Create a filter for AIM IM messages to or from the specified
2398 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2399 * filter already exists with this name, no new filter will be
2400 * created.  This allows the configuration to override this function.
2401 * Returns the name of the filter, which the caller must free.
2402 */
2403char *owl_function_aimuserfilt(const char *user)
2404{
2405  owl_filter *f;
2406  char *argbuff, *filtname;
2407  char *escuser;
2408
2409  /* name for the filter */
2410  filtname=owl_sprintf("aimuser-%s", user);
2411
2412  /* if it already exists then go with it.  This lets users override */
2413  if (owl_global_get_filter(&g, filtname)) {
2414    return(owl_strdup(filtname));
2415  }
2416
2417  /* create the new-internal filter */
2418  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2419
2420  argbuff = owl_sprintf(
2421      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2422      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2423      escuser, owl_global_get_aim_screenname_for_filters(&g));
2424
2425  f = owl_filter_new_fromstring(filtname, argbuff);
2426
2427  /* add it to the global list */
2428  owl_global_add_filter(&g, f);
2429
2430  /* free stuff */
2431  owl_free(argbuff);
2432  owl_free(escuser);
2433
2434  return(filtname);
2435}
2436
2437char *owl_function_typefilt(const char *type)
2438{
2439  owl_filter *f;
2440  char *argbuff, *filtname, *esctype;
2441
2442  /* name for the filter */
2443  filtname=owl_sprintf("type-%s", type);
2444
2445  /* if it already exists then go with it.  This lets users override */
2446  if (owl_global_get_filter(&g, filtname)) {
2447    return filtname;
2448  }
2449
2450  /* create the new-internal filter */
2451  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2452
2453  argbuff = owl_sprintf("type ^%s$", esctype);
2454
2455  f = owl_filter_new_fromstring(filtname, argbuff);
2456
2457  /* add it to the global list */
2458  owl_global_add_filter(&g, f);
2459
2460  /* free stuff */
2461  owl_free(argbuff);
2462  owl_free(esctype);
2463
2464  return filtname;
2465}
2466
2467/* If flag is 1, marks for deletion.  If flag is 0,
2468 * unmarks for deletion. */
2469void owl_function_delete_curview_msgs(int flag)
2470{
2471  const owl_view *v;
2472  int i, j;
2473
2474  v=owl_global_get_current_view(&g);
2475  j=owl_view_get_size(v);
2476  for (i=0; i<j; i++) {
2477    if (flag == 1) {
2478      owl_message_mark_delete(owl_view_get_element(v, i));
2479    } else if (flag == 0) {
2480      owl_message_unmark_delete(owl_view_get_element(v, i));
2481    }
2482  }
2483
2484  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2485
2486  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2487}
2488
2489/* Create a filter based on the current message.  Returns the name of
2490 * a filter or null.  The caller must free this name.
2491 *
2492 * if the curmsg is a personal zephyr return a filter name
2493 *    to the zephyr conversation with that user.
2494 * If the curmsg is a zephyr class message, instance foo, recip *,
2495 *    return a filter name to the class, inst.
2496 * If the curmsg is a zephyr class message and type==0 then
2497 *    return a filter name for just the class.
2498 * If the curmsg is a zephyr class message and type==1 then
2499 *    return a filter name for the class and instance.
2500 * If the curmsg is a personal AIM message returna  filter
2501 *    name to the AIM conversation with that user
2502 */
2503char *owl_function_smartfilter(int type)
2504{
2505  const owl_view *v;
2506  const owl_message *m;
2507  char *zperson, *filtname=NULL;
2508  const char *argv[1];
2509 
2510  v=owl_global_get_current_view(&g);
2511  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2512
2513  if (!m || owl_view_get_size(v)==0) {
2514    owl_function_error("No message selected\n");
2515    return(NULL);
2516  }
2517
2518  /* very simple handling of admin messages for now */
2519  if (owl_message_is_type_admin(m)) {
2520    return(owl_function_typefilt("admin"));
2521  }
2522
2523  /* very simple handling of loopback messages for now */
2524  if (owl_message_is_type_loopback(m)) {
2525    return(owl_function_typefilt("loopback"));
2526  }
2527
2528  /* aim messages */
2529  if (owl_message_is_type_aim(m)) {
2530    if (owl_message_is_direction_in(m)) {
2531      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2532    } else if (owl_message_is_direction_out(m)) {
2533      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2534    }
2535    return(filtname);
2536  }
2537
2538  /* narrow personal and login messages to the sender or recip as appropriate */
2539  if (owl_message_is_type_zephyr(m)) {
2540    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2541      if (owl_message_is_direction_in(m)) {
2542        zperson=short_zuser(owl_message_get_sender(m));
2543      } else {
2544        zperson=short_zuser(owl_message_get_recipient(m));
2545      }
2546      filtname=owl_function_zuserfilt(zperson);
2547      owl_free(zperson);
2548      return(filtname);
2549    }
2550
2551    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2552    if (!strcasecmp(owl_message_get_class(m), "message")) {
2553      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2554      return(filtname);
2555    }
2556
2557    /* otherwise narrow to the class */
2558    if (type==0) {
2559      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2560    } else if (type==1) {
2561      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2562    }
2563    return(filtname);
2564  }
2565
2566  /* pass it off to perl */
2567  if(type) {
2568    argv[0] = "-i";
2569  };
2570  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2571}
2572
2573void owl_function_smartzpunt(int type)
2574{
2575  /* Starts a zpunt command based on the current class,instance pair.
2576   * If type=0, uses just class.  If type=1, uses instance as well. */
2577  const owl_view *v;
2578  const owl_message *m;
2579  const char *cmdprefix, *mclass, *minst;
2580  char *cmd;
2581 
2582  v=owl_global_get_current_view(&g);
2583  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2584
2585  if (!m || owl_view_get_size(v)==0) {
2586    owl_function_error("No message selected\n");
2587    return;
2588  }
2589
2590  /* for now we skip admin messages. */
2591  if (owl_message_is_type_admin(m)
2592      || owl_message_is_loginout(m)
2593      || !owl_message_is_type_zephyr(m)) {
2594    owl_function_error("smartzpunt doesn't support this message type.");
2595    return;
2596  }
2597
2598  mclass = owl_message_get_class(m);
2599  minst = owl_message_get_instance(m);
2600  if (!mclass || !*mclass || *mclass==' '
2601      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2602      || (type && (!minst || !*minst|| *minst==' '))) {
2603    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2604                         mclass, minst);
2605  } else {
2606    cmdprefix = "start-command zpunt ";
2607    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2608    strcpy(cmd, cmdprefix);
2609    strcat(cmd, owl_getquoting(mclass));
2610    strcat(cmd, mclass);
2611    strcat(cmd, owl_getquoting(mclass));
2612    if (type) {
2613      strcat(cmd, " ");
2614      strcat(cmd, owl_getquoting(minst));
2615      strcat(cmd, minst);
2616      strcat(cmd, owl_getquoting(minst));
2617    } else {
2618      strcat(cmd, " *");
2619    }
2620    owl_function_command(cmd);
2621    owl_free(cmd);
2622  }
2623}
2624
2625/* Set the color of the current view's filter to
2626 * be 'color'
2627 */
2628void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2629{
2630  const char *name;
2631
2632  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2633  owl_function_color_filter(name, fgcolor, bgcolor);
2634}
2635
2636/* Set the color of the filter 'filter' to be 'color'.  If the color
2637 * name does not exist, return -1, if the filter does not exist or is
2638 * the "all" filter, return -2.  Return 0 on success
2639 */
2640int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2641{
2642  owl_filter *f;
2643
2644  f=owl_global_get_filter(&g, filtname);
2645  if (!f) {
2646    owl_function_error("Unknown filter");
2647    return(-2);
2648  }
2649
2650  /* don't touch the all filter */
2651  if (!strcmp(filtname, "all")) {
2652    owl_function_error("You may not change the 'all' filter.");
2653    return(-2);
2654  }
2655
2656  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2657    owl_function_error("No color named '%s' avilable.", fgcolor);
2658    return(-1);
2659  }
2660
2661
2662  if (bgcolor != NULL) {
2663    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2664      owl_function_error("No color named '%s' avilable.", bgcolor);
2665      return(-1);
2666    }
2667    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2668  }
2669  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2670 
2671  owl_global_set_needrefresh(&g);
2672  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2673  return(0);
2674}
2675
2676void owl_function_show_colors(void)
2677{
2678  owl_fmtext fm;
2679  int i; 
2680 
2681  owl_fmtext_init_null(&fm);
2682  owl_fmtext_append_normal(&fm, "default: ");
2683  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2684
2685  owl_fmtext_append_normal(&fm,"red:      ");
2686  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2687
2688  owl_fmtext_append_normal(&fm,"green:    ");
2689  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2690
2691  owl_fmtext_append_normal(&fm,"yellow:   ");
2692  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2693
2694  owl_fmtext_append_normal(&fm,"blue:     ");
2695  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2696
2697  owl_fmtext_append_normal(&fm,"magenta:  ");
2698  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2699
2700  owl_fmtext_append_normal(&fm,"cyan:     ");
2701  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2702
2703  owl_fmtext_append_normal(&fm,"white:    ");
2704  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2705
2706  for(i = 8; i < COLORS; ++i) {
2707    char* str1 = owl_sprintf("%4i:     ",i);
2708    char* str2 = owl_sprintf("%i\n",i);
2709    owl_fmtext_append_normal(&fm,str1);
2710    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2711    owl_free(str1);
2712     owl_free(str2);
2713  }
2714 
2715  owl_function_popless_fmtext(&fm);
2716  owl_fmtext_cleanup(&fm);
2717}
2718
2719/* add the given class, inst, recip to the punt list for filtering.
2720 *   if direction==0 then punt
2721 *   if direction==1 then unpunt
2722 */
2723void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2724{
2725  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2726  char *quoted;
2727
2728  if (!strcmp(class, "*")) {
2729    classexpr = owl_sprintf("class .*");
2730  } else {
2731    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2732    owl_text_tr(quoted, ' ', '.');
2733    owl_text_tr(quoted, '\'', '.');
2734    owl_text_tr(quoted, '"', '.');
2735    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2736    owl_free(quoted);
2737  }
2738  if (!strcmp(inst, "*")) {
2739    instexpr = owl_sprintf(" and instance .*");
2740  } else {
2741    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2742    owl_text_tr(quoted, ' ', '.');
2743    owl_text_tr(quoted, '\'', '.');
2744    owl_text_tr(quoted, '"', '.');
2745    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2746    owl_free(quoted);
2747  }
2748  if (!strcmp(recip, "*")) {
2749    recipexpr = owl_sprintf("");
2750  } else {
2751    if(!strcmp(recip, "%me%")) {
2752      recip = owl_zephyr_get_sender();
2753    }
2754    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2755    owl_text_tr(quoted, ' ', '.');
2756    owl_text_tr(quoted, '\'', '.');
2757    owl_text_tr(quoted, '"', '.');
2758    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2759    owl_free(quoted);
2760  }
2761
2762  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2763  owl_function_punt(puntexpr, direction);
2764  owl_free(puntexpr);
2765  owl_free(classexpr);
2766  owl_free(instexpr);
2767  owl_free(recipexpr);
2768}
2769
2770void owl_function_punt(const char *filter, int direction)
2771{
2772  owl_filter *f;
2773  owl_list *fl;
2774  int i, j;
2775  fl=owl_global_get_puntlist(&g);
2776
2777  /* first, create the filter */
2778  owl_function_debugmsg("About to filter %s", filter);
2779  f = owl_filter_new_fromstring("punt-filter", filter);
2780  if (f == NULL) {
2781    owl_function_error("Error creating filter for zpunt");
2782    return;
2783  }
2784
2785  /* Check for an identical filter */
2786  j=owl_list_get_size(fl);
2787  for (i=0; i<j; i++) {
2788    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2789      owl_function_debugmsg("found an equivalent punt filter");
2790      /* if we're punting, then just silently bow out on this duplicate */
2791      if (direction==0) {
2792        owl_filter_delete(f);
2793        return;
2794      }
2795
2796      /* if we're unpunting, then remove this filter from the puntlist */
2797      if (direction==1) {
2798        owl_filter_delete(owl_list_get_element(fl, i));
2799        owl_list_remove_element(fl, i);
2800        owl_filter_delete(f);
2801        return;
2802      }
2803    }
2804  }
2805
2806  owl_function_debugmsg("punting");
2807  /* If we're punting, add the filter to the global punt list */
2808  if (direction==0) {
2809    owl_list_append_element(fl, f);
2810  }
2811}
2812
2813void owl_function_show_keymaps(void)
2814{
2815  owl_list l;
2816  owl_fmtext fm;
2817  const owl_keymap *km;
2818  const owl_keyhandler *kh;
2819  int i, numkm;
2820  const char *kmname;
2821
2822  kh = owl_global_get_keyhandler(&g);
2823  owl_fmtext_init_null(&fm);
2824  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2825  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2826  owl_keyhandler_get_keymap_names(kh, &l);
2827  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2828  owl_fmtext_append_normal(&fm, "\n");
2829
2830  numkm = owl_list_get_size(&l);
2831  for (i=0; i<numkm; i++) {
2832    kmname = owl_list_get_element(&l, i);
2833    km = owl_keyhandler_get_keymap(kh, kmname);
2834    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2835    owl_keymap_get_details(km, &fm);   
2836  }
2837  owl_fmtext_append_normal(&fm, "\n");
2838 
2839  owl_function_popless_fmtext(&fm);
2840  owl_keyhandler_keymap_namelist_free(&l);
2841  owl_fmtext_cleanup(&fm);
2842}
2843
2844char *owl_function_keymap_summary(const char *name)
2845{
2846  const owl_keymap *km
2847    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2848  if (km) return owl_keymap_summary(km);
2849  else return(NULL);
2850}
2851
2852/* TODO: implement for real */
2853void owl_function_show_keymap(const char *name)
2854{
2855  owl_fmtext fm;
2856  const owl_keymap *km;
2857
2858  owl_fmtext_init_null(&fm);
2859  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2860  if (km) {
2861    owl_keymap_get_details(km, &fm);
2862  } else {
2863    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2864  } 
2865  owl_function_popless_fmtext(&fm);
2866  owl_fmtext_cleanup(&fm);
2867}
2868
2869void owl_function_help_for_command(const char *cmdname)
2870{
2871  owl_fmtext fm;
2872
2873  owl_fmtext_init_null(&fm);
2874  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2875  owl_function_popless_fmtext(&fm); 
2876  owl_fmtext_cleanup(&fm);
2877}
2878
2879void owl_function_search_start(const char *string, int direction)
2880{
2881  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2882   * OWL_DIRECTION_NONE */
2883  owl_regex re;
2884
2885  if (string && owl_regex_create_quoted(&re, string) == 0) {
2886    owl_global_set_search_re(&g, &re);
2887    owl_regex_free(&re);
2888  } else {
2889    owl_global_set_search_re(&g, NULL);
2890  }
2891
2892  if (direction == OWL_DIRECTION_NONE)
2893    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2894  else
2895    owl_function_search_helper(0, direction);
2896}
2897
2898void owl_function_search_continue(int direction)
2899{
2900  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2901  owl_function_search_helper(1, direction);
2902}
2903
2904void owl_function_search_helper(int mode, int direction)
2905{
2906  /* move to a message that contains the string.  If direction is
2907   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2908   * OWL_DIRECTION_UPWARDS then search backwards.
2909   *
2910   * If mode==0 then it will stay on the current message if it
2911   * contains the string.
2912   */
2913
2914  const owl_view *v;
2915  int viewsize, i, curmsg, start;
2916  owl_message *m;
2917
2918  v=owl_global_get_current_view(&g);
2919  viewsize=owl_view_get_size(v);
2920  curmsg=owl_global_get_curmsg(&g);
2921 
2922  if (viewsize==0) {
2923    owl_function_error("No messages present");
2924    return;
2925  }
2926
2927  if (mode==0) {
2928    start=curmsg;
2929  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2930    start=curmsg+1;
2931  } else {
2932    start=curmsg-1;
2933  }
2934
2935  /* bounds check */
2936  if (start>=viewsize || start<0) {
2937    owl_function_error("No further matches found");
2938    return;
2939  }
2940
2941  for (i=start; i<viewsize && i>=0;) {
2942    m=owl_view_get_element(v, i);
2943    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2944      owl_global_set_curmsg(&g, i);
2945      owl_function_calculate_topmsg(direction);
2946      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2947      if (direction==OWL_DIRECTION_DOWNWARDS) {
2948        owl_global_set_direction_downwards(&g);
2949      } else {
2950        owl_global_set_direction_upwards(&g);
2951      }
2952      return;
2953    }
2954    if (direction==OWL_DIRECTION_DOWNWARDS) {
2955      i++;
2956    } else {
2957      i--;
2958    }
2959    owl_function_mask_sigint(NULL);
2960    if(owl_global_is_interrupted(&g)) {
2961      owl_global_unset_interrupted(&g);
2962      owl_function_unmask_sigint(NULL);
2963      owl_function_makemsg("Search interrupted!");
2964      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2965      return;
2966    }
2967    owl_function_unmask_sigint(NULL);
2968  }
2969  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2970  owl_function_error("No matches found");
2971}
2972
2973/* strips formatting from ztext and returns the unformatted text.
2974 * caller is responsible for freeing. */
2975char *owl_function_ztext_stylestrip(const char *zt)
2976{
2977  owl_fmtext fm;
2978  char *plaintext;
2979
2980  owl_fmtext_init_null(&fm);
2981  owl_fmtext_append_ztext(&fm, zt);
2982  plaintext = owl_fmtext_print_plain(&fm);
2983  owl_fmtext_cleanup(&fm);
2984  return(plaintext);
2985}
2986
2987/* Popup a buddylisting.  If filename is NULL use the default .anyone */
2988void owl_function_buddylist(int aim, int zephyr, const char *filename)
2989{
2990  int i, j, idle;
2991  int interrupted = 0;
2992  owl_fmtext fm;
2993  const owl_buddylist *bl;
2994  const owl_buddy *b;
2995  char *timestr;
2996#ifdef HAVE_LIBZEPHYR
2997  int x;
2998  owl_list anyone;
2999  const char *user;
3000  char *tmp;
3001  ZLocations_t location[200];
3002  int numlocs, ret;
3003#endif
3004
3005  owl_fmtext_init_null(&fm);
3006
3007  /* AIM first */
3008  if (aim && owl_global_is_aimloggedin(&g)) {
3009    bl=owl_global_get_buddylist(&g);
3010
3011    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3012    /* we're assuming AIM for now */
3013    j=owl_buddylist_get_size(bl);
3014    for (i=0; i<j; i++) {
3015      b=owl_buddylist_get_buddy_n(bl, i);
3016      idle=owl_buddy_get_idle_time(b);
3017      if (idle!=0) {
3018        timestr=owl_util_minutes_to_timestr(idle);
3019      } else {
3020        timestr=owl_strdup("");
3021      }
3022      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3023      owl_free(timestr);
3024    }
3025  }
3026
3027#ifdef HAVE_LIBZEPHYR
3028  if (zephyr) {
3029    if(!owl_global_is_havezephyr(&g)) {
3030      owl_function_error("Zephyr currently not available.");
3031    } else {
3032      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3033      owl_list_create(&anyone);
3034      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3035      if (ret) {
3036        if (errno == ENOENT) {
3037          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3038          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3039          owl_fmtext_append_bold(  &fm, "<username>");
3040          owl_fmtext_append_normal(&fm, "'.\n");
3041        } else {
3042          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3043        }
3044      } else {
3045        j=owl_list_get_size(&anyone);
3046        for (i=0; i<j; i++) {
3047          user=owl_list_get_element(&anyone, i);
3048          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3049
3050          owl_function_mask_sigint(NULL);
3051          if(owl_global_is_interrupted(&g)) {
3052            interrupted = 1;
3053            owl_global_unset_interrupted(&g);
3054            owl_function_unmask_sigint(NULL);
3055            owl_function_makemsg("Interrupted!");
3056            break;
3057          }
3058
3059          owl_function_unmask_sigint(NULL);
3060
3061          if (ret!=ZERR_NONE) {
3062            owl_function_error("Error getting location for %s", user);
3063            continue;
3064          }
3065
3066          numlocs=200;
3067          ret=ZGetLocations(location, &numlocs);
3068          if (ret==0) {
3069            for (x=0; x<numlocs; x++) {
3070              tmp=short_zuser(user);
3071              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3072                                        tmp,
3073                                        location[x].host,
3074                                        location[x].tty,
3075                                        location[x].time);
3076              owl_free(tmp);
3077            }
3078            if (numlocs>=200) {
3079              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3080            }
3081          }
3082        }
3083      }
3084      owl_list_free_all(&anyone, owl_free);
3085    }
3086  }
3087#endif
3088
3089  if (aim && zephyr) {
3090    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3091      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3092      if (perlblist) {
3093        owl_fmtext_append_ztext(&fm, perlblist);
3094        owl_free(perlblist);
3095      }
3096    }
3097  }
3098
3099  if(!interrupted) {
3100    owl_function_popless_fmtext(&fm);
3101  }
3102  owl_fmtext_cleanup(&fm);
3103}
3104
3105/* Dump messages in the current view to the file 'filename'. */
3106void owl_function_dump(const char *filename) 
3107{
3108  int i, j;
3109  owl_message *m;
3110  const owl_view *v;
3111  FILE *file;
3112  char *plaintext;
3113
3114  v=owl_global_get_current_view(&g);
3115
3116  /* in the future make it ask yes/no */
3117  /*
3118  ret=stat(filename, &sbuf);
3119  if (!ret) {
3120    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3121    if (!ret) return;
3122  }
3123  */
3124
3125  file=fopen(filename, "w");
3126  if (!file) {
3127    owl_function_error("Error opening file");
3128    return;
3129  }
3130
3131  j=owl_view_get_size(v);
3132  for (i=0; i<j; i++) {
3133    m=owl_view_get_element(v, i);
3134    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3135    if (plaintext) {
3136      fputs(plaintext, file);
3137      owl_free(plaintext);
3138    }
3139  }
3140  fclose(file);
3141  owl_function_makemsg("Messages dumped to %s", filename);
3142}
3143
3144void owl_function_do_newmsgproc(void)
3145{
3146  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3147    /* if there's a process out there, we need to check on it */
3148    if (owl_global_get_newmsgproc_pid(&g)) {
3149      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3150      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3151      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3152      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3153        /* it exited */
3154        owl_global_set_newmsgproc_pid(&g, 0);
3155        owl_function_debugmsg("newmsgproc exited");
3156      } else {
3157        owl_function_debugmsg("newmsgproc did not exit");
3158      }
3159    }
3160   
3161    /* if it exited, fork & exec a new one */
3162    if (owl_global_get_newmsgproc_pid(&g)==0) {
3163      pid_t i;
3164      int myargc;
3165      i=fork();
3166      if (i) {
3167        /* parent set the child's pid */
3168        owl_global_set_newmsgproc_pid(&g, i);
3169        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3170      } else {
3171        /* child exec's the program */
3172        char **parsed;
3173        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3174        if (myargc < 0) {
3175          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3176        }
3177        if (myargc <= 0) {
3178          _exit(127);
3179        }
3180        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3181        parsed[myargc] = NULL;
3182       
3183        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3184       
3185        execvp(parsed[0], parsed);
3186       
3187       
3188        /* was there an error exec'ing? */
3189        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3190                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3191        _exit(127);
3192      }
3193    }
3194  }
3195}
3196
3197/* print the xterm escape sequence to raise the window */
3198void owl_function_xterm_raise(void)
3199{
3200  printf("\033[5t");
3201}
3202
3203/* print the xterm escape sequence to deiconify the window */
3204void owl_function_xterm_deiconify(void)
3205{
3206  printf("\033[1t");
3207}
3208
3209/* Add the specified command to the startup file.  Eventually this
3210 * should be clever, and rewriting settings that will obviosly
3211 * override earlier settings with 'set' 'bindkey' and 'alias'
3212 * commands.  For now though we just remove any line that would
3213 * duplicate this one and then append this line to the end of
3214 * startupfile.
3215 */
3216void owl_function_addstartup(const char *buff)
3217{
3218  FILE *file;
3219  const char *filename;
3220
3221  filename=owl_global_get_startupfile(&g);
3222
3223  /* delete earlier copies */
3224  owl_util_file_deleteline(filename, buff, 1);
3225
3226  file=fopen(filename, "a");
3227  if (!file) {
3228    owl_function_error("Error opening startupfile for new command");
3229    return;
3230  }
3231
3232  /* add this line */
3233  fprintf(file, "%s\n", buff);
3234
3235  fclose(file);
3236}
3237
3238/* Remove the specified command from the startup file. */
3239void owl_function_delstartup(const char *buff)
3240{
3241  const char *filename;
3242  filename=owl_global_get_startupfile(&g);
3243  owl_util_file_deleteline(filename, buff, 1);
3244}
3245
3246/* Execute owl commands from the given filename.  If the filename
3247 * is NULL, use the default owl startup commands file.
3248 */
3249void owl_function_source(const char *filename)
3250{
3251  char *path;
3252  FILE *file;
3253  char *s = NULL;
3254  int fail_silent = 0;
3255
3256  if (!filename) {
3257    fail_silent = 1;
3258    path = owl_strdup(owl_global_get_startupfile(&g));
3259  } else {
3260    path = owl_util_makepath(filename);
3261  }
3262  file = fopen(path, "r");
3263  owl_free(path);
3264  if (!file) {
3265    if (!fail_silent) {
3266      owl_function_error("Error opening file: %s", filename);
3267    }
3268    return;
3269  }
3270  while (owl_getline_chomp(&s, file)) {
3271    if (s[0] == '\0' || s[0] == '#')
3272      continue;
3273    owl_function_command(s);
3274  }
3275
3276  owl_free(s);
3277  fclose(file);
3278}
3279
3280void owl_function_change_style(owl_view *v, const char *stylename)
3281{
3282  const owl_style *s;
3283
3284  s=owl_global_get_style_by_name(&g, stylename);
3285  if (!s) {
3286    owl_function_error("No style named %s", stylename);
3287    return;
3288  }
3289  owl_view_set_style(v, s);
3290  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3291  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3292  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3293}
3294
3295void owl_function_toggleoneline(void)
3296{
3297  owl_view *v;
3298  const owl_style *s;
3299
3300  v=owl_global_get_current_view(&g);
3301  s=owl_view_get_style(v);
3302
3303  if (!owl_style_matches_name(s, "oneline")) {
3304    owl_function_change_style(v, "oneline");
3305  } else {
3306    owl_function_change_style(v, owl_global_get_default_style(&g));
3307  }
3308
3309  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3310  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3311  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3312}
3313
3314void owl_function_error(const char *fmt, ...)
3315{
3316  static int in_error = 0;
3317  va_list ap;
3318  char *buff;
3319  const char *nl;
3320
3321  if (++in_error > 2) {
3322    /* More than two nested errors, bail immediately. */
3323    in_error--;
3324    return;
3325  }
3326
3327  va_start(ap, fmt);
3328  buff = g_strdup_vprintf(fmt, ap);
3329  va_end(ap);
3330
3331  owl_function_debugmsg("ERROR: %s", buff);
3332  owl_function_log_err(buff);
3333
3334  nl = strchr(buff, '\n');
3335
3336  /*
3337    Showing admin messages triggers a lot of code. If we have a
3338    recursive error call, that's the most likely candidate, so
3339    suppress the call in that case, to try to avoid infinite looping.
3340  */
3341
3342  if(nl && *(nl + 1) && in_error == 1) {
3343    /* Multiline error */
3344    owl_function_adminmsg("ERROR", buff);
3345  } else {
3346    owl_function_makemsg("[Error] %s", buff);
3347  }
3348
3349  owl_free(buff);
3350
3351  in_error--;
3352}
3353
3354void owl_function_log_err(const char *string)
3355{
3356  char *date;
3357  time_t now;
3358  char *buff;
3359
3360  now=time(NULL);
3361  date=owl_strdup(ctime(&now));
3362  date[strlen(date)-1]='\0';
3363
3364  buff = owl_sprintf("%s %s", date, string);
3365
3366  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3367
3368  owl_free(buff);
3369  owl_free(date);
3370}
3371
3372void owl_function_showerrs(void)
3373{
3374  owl_fmtext fm;
3375
3376  owl_fmtext_init_null(&fm);
3377  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3378  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3379  owl_function_popless_fmtext(&fm);
3380}
3381
3382void owl_function_makemsg(const char *fmt, ...)
3383{
3384  va_list ap;
3385  char buff[2048];
3386
3387  if (!owl_global_get_curs_msgwin(&g)) return;
3388
3389  va_start(ap, fmt);
3390  werase(owl_global_get_curs_msgwin(&g));
3391 
3392  vsnprintf(buff, 2048, fmt, ap);
3393  owl_function_debugmsg("makemsg: %s", buff);
3394  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3395  update_panels();
3396  owl_global_set_needrefresh(&g);
3397  va_end(ap);
3398}
3399
3400/* get locations for everyone in .anyone.  If 'notify' is '1' then
3401 * send a pseudo login or logout message for everyone not in sync with
3402 * the global zephyr buddy list.  The list is updated regardless of
3403 * the status of 'notify'.
3404 */
3405void owl_function_zephyr_buddy_check(int notify)
3406{
3407#ifdef HAVE_LIBZEPHYR
3408  int i, j;
3409  owl_list anyone;
3410  owl_message *m;
3411  owl_zbuddylist *zbl;
3412  const char *user;
3413  ZLocations_t location[200];
3414  int numlocs, ret;
3415
3416  if (!owl_global_is_havezephyr(&g)) return;
3417
3418  zbl=owl_global_get_zephyr_buddylist(&g);
3419
3420  owl_list_create(&anyone);
3421  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3422
3423  j=owl_list_get_size(&anyone);
3424  for (i=0; i<j; i++) {
3425    user=owl_list_get_element(&anyone, i);
3426    ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3427    if (ret!=ZERR_NONE) {
3428      owl_function_error("Error getting location for %s", user);
3429      continue;
3430    }
3431    numlocs=200;
3432    ret=ZGetLocations(location, &numlocs);
3433    if (ret==0) {
3434      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3435        /* Send a PSEUDO LOGIN! */
3436        if (notify) {
3437          m=owl_malloc(sizeof(owl_message));
3438          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3439          owl_global_messagequeue_addmsg(&g, m);
3440        }
3441        owl_zbuddylist_adduser(zbl, user);
3442        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3443      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3444        /* I don't think this ever happens (if there are 0 locations we should get an error from
3445         * ZGetLocations)
3446         */
3447        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3448      }
3449    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3450      /* Send a PSEUDO LOGOUT! */
3451      if (notify) {
3452        m=owl_malloc(sizeof(owl_message));
3453        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3454        owl_global_messagequeue_addmsg(&g, m);
3455      }
3456      owl_zbuddylist_deluser(zbl, user);
3457      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3458    }
3459  }
3460
3461  owl_list_free_all(&anyone, owl_free);
3462#endif
3463}
3464
3465void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3466{
3467  owl_fmtext fm;
3468  int i, j;
3469
3470  owl_fmtext_init_null(&fm);
3471  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3472  owl_fmtext_append_normal(&fm, email);
3473  owl_fmtext_append_normal(&fm, ":\n");
3474
3475  j=owl_list_get_size(namelist);
3476  for (i=0; i<j; i++) {
3477    owl_fmtext_append_normal(&fm, "  ");
3478    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3479    owl_fmtext_append_normal(&fm, "\n");
3480  }
3481
3482  owl_function_popless_fmtext(&fm);
3483  owl_fmtext_cleanup(&fm);
3484}
3485
3486int owl_function_get_color_count(void)
3487{
3488     return COLORS;
3489}
3490
3491void owl_function_mask_sigint(sigset_t *oldmask) {
3492  sigset_t intr;
3493
3494  sigemptyset(&intr);
3495  sigaddset(&intr, SIGINT);
3496  sigprocmask(SIG_BLOCK, &intr, oldmask);
3497}
3498
3499void owl_function_unmask_sigint(sigset_t *oldmask) {
3500  sigset_t intr;
3501
3502  sigemptyset(&intr);
3503  sigaddset(&intr, SIGINT);
3504  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3505}
3506
3507void _owl_function_mark_message(const owl_message *m)
3508{
3509  if (m) {
3510    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3511    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3512  }
3513}
3514
3515void owl_function_mark_message(void)
3516{
3517  const owl_message *m;
3518  const owl_view *v;
3519
3520  v=owl_global_get_current_view(&g);
3521
3522  /* bail if there's no current message */
3523  if (owl_view_get_size(v) < 1) {
3524    owl_function_error("No messages to mark");
3525    return;
3526  }
3527
3528  /* mark the message */
3529  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3530  _owl_function_mark_message(m);
3531  owl_function_makemsg("Mark set");
3532}
3533
3534void owl_function_swap_cur_marked(void)
3535{
3536  int marked_id;
3537  const owl_message *m;
3538  const owl_view *v;
3539
3540  marked_id=owl_global_get_markedmsgid(&g);
3541  if (marked_id == -1) {
3542    owl_function_error("Mark not set.");
3543    return;
3544  }
3545
3546  v=owl_global_get_current_view(&g);
3547  /* bail if there's no current message */
3548  if (owl_view_get_size(v) < 1) {
3549    return;
3550  }
3551
3552  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3553  _owl_function_mark_message(m);
3554  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3555  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3556  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3557  owl_global_set_direction_downwards(&g);
3558}
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