source: functions.c @ 7cc1092

release-1.7release-1.8release-1.9
Last change on this file since 7cc1092 was 89ab5c8, checked in by Nelson Elhage <nelhage@mit.edu>, 12 years ago
Merge remote branch 'origin/narrow-cc'
  • Property mode set to 100644
File size: 96.5 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#include "filterproc.h"
15
16char *owl_function_command(const char *cmdbuff)
17{
18  owl_function_debugmsg("executing command: %s", cmdbuff);
19  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
20                             owl_global_get_context(&g), cmdbuff);
21}
22
23char *owl_function_command_argv(const char *const *argv, int argc)
24{
25  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
26                                  owl_global_get_context(&g),
27                                  argv, argc);
28}
29
30void owl_function_command_norv(const char *cmdbuff)
31{
32  char *rv;
33  rv=owl_function_command(cmdbuff);
34  if (rv) owl_free(rv);
35}
36
37void owl_function_command_alias(const char *alias_from, const char *alias_to)
38{
39  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
40}
41
42const owl_cmd *owl_function_get_cmd(const char *name)
43{
44  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
45}
46
47void owl_function_show_commands(void)
48{
49  owl_list l;
50  owl_fmtext fm;
51
52  owl_fmtext_init_null(&fm);
53  owl_fmtext_append_bold(&fm, "Commands:  ");
54  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
55  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
56  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
57  owl_fmtext_append_normal(&fm, "\n");
58  owl_function_popless_fmtext(&fm);
59  owl_cmddict_namelist_cleanup(&l);
60  owl_fmtext_cleanup(&fm);
61}
62
63void owl_function_show_view(const char *viewname)
64{
65  const owl_view *v;
66  owl_fmtext fm;
67
68  /* we only have the one view right now */
69  v=owl_global_get_current_view(&g);
70  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
71    owl_function_error("No view named '%s'", viewname);
72    return;
73  }
74
75  owl_fmtext_init_null(&fm);
76  owl_view_to_fmtext(v, &fm);
77  owl_function_popless_fmtext(&fm);
78  owl_fmtext_cleanup(&fm);
79}
80
81void owl_function_show_styles(void) {
82  owl_list l;
83  owl_fmtext fm;
84
85  owl_fmtext_init_null(&fm);
86  owl_fmtext_append_bold(&fm, "Styles:\n");
87  owl_global_get_style_names(&g, &l);
88  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
89  owl_fmtext_append_normal(&fm, "\n");
90  owl_function_popless_fmtext(&fm);
91  owl_list_cleanup(&l, owl_free);
92  owl_fmtext_cleanup(&fm);
93}
94
95char *owl_function_style_describe(const char *name) {
96  const char *desc;
97  char *s;
98  const owl_style *style;
99  style = owl_global_get_style_by_name(&g, name);
100  if (style) {
101    desc = owl_style_get_description(style);
102  } else {
103    desc = "???";
104  }
105  s = owl_sprintf("%-20s - %s%s", name, 
106                  0==owl_style_validate(style)?"":"[INVALID] ",
107                  desc);
108  return s;
109}
110
111char *owl_function_cmd_describe(const char *name)
112{
113  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
114  if (cmd) return owl_cmd_describe(cmd);
115  else return(NULL);
116}
117
118void owl_function_show_command(const char *name)
119{
120  owl_function_help_for_command(name);
121}
122
123void owl_function_show_license(void)
124{
125  const char *text;
126
127  text=""
128    "barnowl version " OWL_VERSION_STRING "\n"
129    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
130    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
131    "\n"
132    "Redistribution and use in source and binary forms, with or without\n"
133    "modification, are permitted provided that the following conditions are\n"
134    "met:\n"
135    "\n"
136    "   * Redistributions of source code must retain the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer.\n"
138    "\n"
139    "   * Redistributions in binary form must reproduce the above copyright\n"
140    "     notice, this list of conditions and the following disclaimer in\n"
141    "     the documentation and/or other materials provided with the\n"
142    "     distribution.\n"
143    "\n"
144    "   * Redistributions in any form must be accompanied by information on\n"
145    "     how to obtain complete source code for the Owl software and any\n"
146    "     accompanying software that uses the Owl software. The source code\n"
147    "     must either be included in the distribution or be available for no\n"
148    "     more than the cost of distribution plus a nominal fee, and must be\n"
149    "     freely redistributable under reasonable conditions. For an\n"
150    "     executable file, complete source code means the source code for\n"
151    "     all modules it contains. It does not include source code for\n"
152    "     modules or files that typically accompany the major components of\n"
153    "     the operating system on which the executable file runs.\n"
154    "\n"
155    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
156    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
157    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
158    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
159    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
160    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
161    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
162    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
163    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
164    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
165    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
166  owl_function_popless_text(text);
167}
168
169void owl_function_show_quickstart(void)
170{
171    const char *message =
172    "Move between messages with the arrow keys, and press 'r' to reply.\n"
173    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
174#ifdef HAVE_LIBZEPHYR
175    "@b(Zephyr:)\n"
176    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
177    "press 'z' and then type the username. To subscribe to a class, type\n"
178    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
179#endif
180    "@b(AIM:)\n"
181    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
182    "or 'a' and then the screen name, to send someone a message.\n\n"
183    ;
184
185    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
186        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
187        if (perlquickstart) {
188            char *result = owl_sprintf("%s%s", message, perlquickstart);
189            owl_function_adminmsg("BarnOwl Quickstart", result);
190            owl_free(result);
191            owl_free(perlquickstart);
192            return;
193        }
194    }
195    owl_function_adminmsg("BarnOwl Quickstart", message);
196}
197
198
199/* Create an admin message, append it to the global list of messages
200 * and redisplay if necessary.
201 */
202void owl_function_adminmsg(const char *header, const char *body)
203{
204  owl_message *m;
205
206  m=owl_malloc(sizeof(owl_message));
207  owl_message_create_admin(m, header, body);
208 
209  /* add it to the global list and current view */
210  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
211  owl_view_consider_message(owl_global_get_current_view(&g), m);
212
213  /* do followlast if necessary */
214  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
215
216  /* redisplay etc. */
217  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
218  owl_global_set_needrefresh(&g);
219}
220
221/* Create an outgoing zephyr message and return a pointer to it.  Does
222 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
223 * that.
224 */
225owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
226{
227  owl_message *m;
228  owl_zwrite zw;
229
230  owl_zwrite_create_from_line(&zw, zwriteline);
231  owl_zwrite_set_zsig(&zw, zsig);
232
233  /* create the message */
234  m=owl_malloc(sizeof(owl_message));
235 
236  owl_message_create_from_zwrite(m, &zw, body);
237  owl_zwrite_cleanup(&zw);
238
239  return(m);
240}
241
242/* Create an outgoing AIM message, returns a pointer to the created
243 * message or NULL if we're not logged into AIM (and thus unable to
244 * create the message).  Does not put it on the global queue.  Use
245 * owl_global_messagequeue_addmsg() for that .
246 */
247owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
248{
249  owl_message *m;
250
251  /* error if we're not logged into aim */
252  if (!owl_global_is_aimloggedin(&g)) return(NULL);
253 
254  m=owl_malloc(sizeof(owl_message));
255  owl_message_create_aim(m,
256                         owl_global_get_aim_screenname(&g),
257                         to,
258                         body,
259                         OWL_MESSAGE_DIRECTION_OUT,
260                         0);
261  return(m);
262}
263
264/* Create an outgoing loopback message and return a pointer to it.
265 * Does not append it to the global queue, use
266 * owl_global_messagequeue_addmsg() for that.
267 */
268owl_message *owl_function_make_outgoing_loopback(const char *body)
269{
270  owl_message *m;
271
272  /* create the message */
273  m=owl_malloc(sizeof(owl_message));
274  owl_message_create_loopback(m, body);
275  owl_message_set_direction_out(m);
276
277  return(m);
278}
279
280void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
281{
282  owl_editwin *e;
283  char *s;
284
285  /* create and setup the editwin */
286  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
287                                   owl_global_get_msg_history(&g));
288  owl_editwin_set_dotsend(e);
289  s = owl_sprintf("----> %s\n", line);
290  owl_editwin_set_locktext(e, s);
291  owl_free(s);
292
293  owl_editwin_set_cbdata(e, data, cleanup);
294  owl_editwin_set_callback(e, callback);
295  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
296}
297
298static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
299{
300
301  if (!owl_global_get_lockout_ctrld(&g))
302    owl_function_makemsg("Type your %s below.  "
303                         "End with ^D or a dot on a line by itself."
304                         "  ^C will quit.", noun);
305  else
306    owl_function_makemsg("Type your %s below.  "
307                         "End with a dot on a line by itself.  ^C will quit.",
308                         noun);
309
310  owl_function_start_edit_win(line, callback,
311                              owl_strdup(line),
312                              owl_free);
313}
314
315void owl_function_zwrite_setup(const char *line)
316{
317  owl_zwrite z;
318  int ret;
319
320  /* check the arguments */
321  ret=owl_zwrite_create_from_line(&z, line);
322  if (ret) {
323    owl_function_error("Error in zwrite arguments");
324    owl_zwrite_cleanup(&z);
325    return;
326  }
327
328  /* send a ping if necessary */
329  if (owl_global_is_txping(&g)) {
330    owl_zwrite_send_ping(&z);
331  }
332  owl_zwrite_cleanup(&z);
333
334  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
335}
336
337void owl_function_aimwrite_setup(const char *line)
338{
339  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
340}
341
342void owl_function_loopwrite_setup(void)
343{
344  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
345}
346
347void owl_callback_zwrite(owl_editwin *e) {
348  char *command = owl_editwin_get_cbdata(e);
349  owl_function_zwrite(command,
350                      owl_editwin_get_text(e));
351}
352
353/* send, log and display an outgoing zephyr.  If 'msg' is NULL
354 * the message is expected to be set from the zwrite line itself
355 */
356void owl_function_zwrite(const char *line, const char *msg)
357{
358  owl_zwrite z;
359  const char *mymsg;
360  owl_message *m;
361
362  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
363    owl_function_zcrypt(line, msg);
364    return;
365  }
366
367  /* create the zwrite and send the message */
368  owl_zwrite_create_from_line(&z, line);
369  owl_zwrite_populate_zsig(&z);
370  if (msg) {
371    owl_zwrite_set_message(&z, msg);
372  }
373  owl_zwrite_send_message(&z);
374  owl_function_makemsg("Waiting for ack...");
375
376  /* If it's personal */
377  if (owl_zwrite_is_personal(&z)) {
378    /* create the outgoing message */
379    mymsg=owl_zwrite_get_message(&z);
380    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
381
382    if (m) {
383      owl_global_messagequeue_addmsg(&g, m);
384    } else {
385      owl_function_error("Could not create outgoing zephyr message");
386    }
387  }
388
389  /* free the zwrite */
390  owl_zwrite_cleanup(&z);
391}
392
393/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
394 * the message is expected to be set from the zwrite line itself
395 */
396void owl_function_zcrypt(const char *line, const char *msg)
397{
398  owl_zwrite z;
399  const char *mymsg;
400  char *cryptmsg;
401  owl_message *m;
402  const char *argv[7];
403  char *zcrypt;
404  int rv, status;
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
415  zcrypt = owl_sprintf("%s/zcrypt", owl_get_bindir());
416  argv[0] = "zcrypt";
417  argv[1] = "-E";
418  argv[2] = "-c"; argv[3] = owl_zwrite_get_class(&z);
419  argv[4] = "-i"; argv[5] = owl_zwrite_get_instance(&z);
420  argv[6] = NULL;
421
422  rv = call_filter(zcrypt, argv, mymsg, &cryptmsg, &status);
423
424  owl_free(zcrypt);
425
426  if (rv || status) {
427    if(cryptmsg) owl_free(cryptmsg);
428    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
429    owl_function_beep();
430    owl_zwrite_cleanup(&z);
431    return;
432  }
433
434  owl_zwrite_set_message(&z, cryptmsg);
435  owl_zwrite_set_opcode(&z, "crypt");
436   
437  owl_zwrite_send_message(&z);
438  owl_function_makemsg("Waiting for ack...");
439
440  /* If it's personal */
441  if (owl_zwrite_is_personal(&z)) {
442    /* create the outgoing message */
443    mymsg=owl_zwrite_get_message(&z);
444    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
445    if (m) {
446      owl_global_messagequeue_addmsg(&g, m);
447    } else {
448      owl_function_error("Could not create outgoing zephyr message");
449    }
450  }
451
452  /* free the zwrite */
453  owl_free(cryptmsg);
454  owl_zwrite_cleanup(&z);
455}
456
457void owl_callback_aimwrite(owl_editwin *e) {
458  char *command = owl_editwin_get_cbdata(e);
459  owl_function_aimwrite(command,
460                        owl_editwin_get_text(e));
461}
462
463void owl_function_aimwrite(const char *line, const char *msg)
464{
465  int ret;
466  const char *to;
467  char *format_msg;
468  owl_message *m;
469
470  to = line + 9;
471
472  /* make a formatted copy of the message */
473  format_msg=owl_strdup(msg);
474  owl_text_wordunwrap(format_msg);
475 
476  /* send the message */
477  ret=owl_aim_send_im(to, format_msg);
478  if (!ret) {
479    owl_function_makemsg("AIM message sent.");
480  } else {
481    owl_function_error("Could not send AIM message.");
482  }
483
484  /* create the outgoing message */
485  m=owl_function_make_outgoing_aim(msg, to);
486
487  if (m) {
488    owl_global_messagequeue_addmsg(&g, m);
489  } else {
490    owl_function_error("Could not create outgoing AIM message");
491  }
492
493  owl_free(format_msg);
494}
495
496void owl_function_send_aimawymsg(const char *to, const char *msg)
497{
498  int ret;
499  char *format_msg;
500  owl_message *m;
501
502  /* make a formatted copy of the message */
503  format_msg=owl_strdup(msg);
504  owl_text_wordunwrap(format_msg);
505 
506  /* send the message */
507  ret=owl_aim_send_awaymsg(to, format_msg);
508  if (!ret) {
509    /* owl_function_makemsg("AIM message sent."); */
510  } else {
511    owl_function_error("Could not send AIM message.");
512  }
513
514  /* create the message */
515  m=owl_function_make_outgoing_aim(msg, to);
516  if (m) {
517    owl_global_messagequeue_addmsg(&g, m);
518  } else {
519    owl_function_error("Could not create AIM message");
520  }
521  owl_free(format_msg);
522}
523
524void owl_callback_loopwrite(owl_editwin *e) {
525  owl_function_loopwrite(owl_editwin_get_text(e));
526}
527
528void owl_function_loopwrite(const char *msg)
529{
530  owl_message *min, *mout;
531
532  /* create a message and put it on the message queue.  This simulates
533   * an incoming message */
534  min=owl_malloc(sizeof(owl_message));
535  mout=owl_function_make_outgoing_loopback(msg);
536
537  if (owl_global_is_displayoutgoing(&g)) {
538    owl_global_messagequeue_addmsg(&g, mout);
539  } else {
540    owl_message_delete(mout);
541  }
542
543  owl_message_create_loopback(min, msg);
544  owl_message_set_direction_in(min);
545  owl_global_messagequeue_addmsg(&g, min);
546
547  /* fake a makemsg */
548  owl_function_makemsg("loopback message sent");
549}
550
551/* If filter is non-null, looks for the next message matching
552 * that filter.  If skip_deleted, skips any deleted messages.
553 * If last_if_none, will stop at the last message in the view
554 * if no matching messages are found.  */
555void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
556{
557  int curmsg, i, viewsize, found;
558  const owl_view *v;
559  const owl_filter *f = NULL;
560  const owl_message *m;
561
562  v=owl_global_get_current_view(&g);
563
564  if (filter) {
565    f=owl_global_get_filter(&g, filter);
566    if (!f) {
567      owl_function_error("No %s filter defined", filter);
568      return;
569    }
570  }
571
572  curmsg=owl_global_get_curmsg(&g);
573  viewsize=owl_view_get_size(v);
574  found=0;
575
576  /* just check to make sure we're in bounds... */
577  if (curmsg>viewsize-1) curmsg=viewsize-1;
578  if (curmsg<0) curmsg=0;
579
580  for (i=curmsg+1; i<viewsize; i++) {
581    m=owl_view_get_element(v, i);
582    if (skip_deleted && owl_message_is_delete(m)) continue;
583    if (f && !owl_filter_message_match(f, m)) continue;
584    found = 1;
585    break;
586  }
587
588  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
589  if (i<0) i=0;
590
591  if (!found) {
592    owl_function_makemsg("already at last%s message%s%s%s",
593                         skip_deleted?" non-deleted":"",
594                         filter?" in ":"", filter?filter:"",
595                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
596                         ", press Enter to scroll" : "");
597    /* if (!skip_deleted) owl_function_beep(); */
598  }
599
600  if (last_if_none || found) {
601    owl_global_set_curmsg(&g, i);
602    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
603    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
604    owl_global_set_direction_downwards(&g);
605  }
606}
607
608void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
609{
610  int curmsg, i, found;
611  const owl_view *v;
612  const owl_filter *f = NULL;
613  const owl_message *m;
614
615  v=owl_global_get_current_view(&g);
616
617  if (filter) {
618    f=owl_global_get_filter(&g, filter);
619    if (!f) {
620      owl_function_error("No %s filter defined", filter);
621      return;
622    }
623  }
624
625  curmsg=owl_global_get_curmsg(&g);
626  found=0;
627
628  /* just check to make sure we're in bounds... */
629  if (curmsg<0) curmsg=0;
630
631  for (i=curmsg-1; i>=0; i--) {
632    m=owl_view_get_element(v, i);
633    if (skip_deleted && owl_message_is_delete(m)) continue;
634    if (f && !owl_filter_message_match(f, m)) continue;
635    found = 1;
636    break;
637  }
638
639  if (i<0) i=0;
640
641  if (!found) {
642    owl_function_makemsg("already at first%s message%s%s",
643                         skip_deleted?" non-deleted":"",
644                         filter?" in ":"", filter?filter:"");
645    /* if (!skip_deleted) owl_function_beep(); */
646  }
647
648  if (first_if_none || found) {
649    owl_global_set_curmsg(&g, i);
650    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
651    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
652    owl_global_set_direction_upwards(&g);
653  }
654}
655
656void owl_function_nextmsg(void)
657{
658  owl_function_nextmsg_full(NULL, 0, 1);
659}
660
661void owl_function_prevmsg(void)
662{
663  owl_function_prevmsg_full(NULL, 0, 1);
664}
665
666void owl_function_nextmsg_notdeleted(void)
667{
668  owl_function_nextmsg_full(NULL, 1, 1);
669}
670
671void owl_function_prevmsg_notdeleted(void)
672{
673  owl_function_prevmsg_full(NULL, 1, 1);
674}
675
676/* if move_after is 1, moves after the delete */
677void owl_function_deletecur(int move_after)
678{
679  int curmsg;
680  owl_view *v;
681
682  v=owl_global_get_current_view(&g);
683
684  /* bail if there's no current message */
685  if (owl_view_get_size(v) < 1) {
686    owl_function_error("No current message to delete");
687    return;
688  }
689
690  /* mark the message for deletion */
691  curmsg=owl_global_get_curmsg(&g);
692  owl_view_delete_element(v, curmsg);
693
694  if (move_after) {
695    /* move the poiner in the appropriate direction
696     * to the next undeleted msg */
697    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
698      owl_function_prevmsg_notdeleted();
699    } else {
700      owl_function_nextmsg_notdeleted();
701    }
702  }
703}
704
705void owl_function_undeletecur(int move_after)
706{
707  int curmsg;
708  owl_view *v;
709
710  v=owl_global_get_current_view(&g);
711 
712  if (owl_view_get_size(v) < 1) {
713    owl_function_error("No current message to undelete");
714    return;
715  }
716  curmsg=owl_global_get_curmsg(&g);
717
718  owl_view_undelete_element(v, curmsg);
719
720  if (move_after) {
721    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
722      if (curmsg>0) {
723        owl_function_prevmsg();
724      } else {
725        owl_function_nextmsg();
726      }
727    } else {
728      owl_function_nextmsg();
729    }
730  }
731
732  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
733}
734
735void owl_function_expunge(void)
736{
737  int curmsg;
738  const owl_message *m;
739  owl_messagelist *ml;
740  owl_view *v;
741  int lastmsgid=0;
742
743  curmsg=owl_global_get_curmsg(&g);
744  v=owl_global_get_current_view(&g);
745  ml=owl_global_get_msglist(&g);
746
747  m=owl_view_get_element(v, curmsg);
748  if (m) lastmsgid = owl_message_get_id(m);
749
750  /* expunge the message list */
751  owl_messagelist_expunge(ml);
752
753  /* update all views (we only have one right now) */
754  owl_view_recalculate(v);
755
756  /* find where the new position should be
757     (as close as possible to where we last where) */
758  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
759  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
760  if (curmsg<0) curmsg = 0;
761  owl_global_set_curmsg(&g, curmsg);
762  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
763  /* if there are no messages set the direction to down in case we
764     delete everything upwards */
765  owl_global_set_direction_downwards(&g);
766 
767  owl_function_makemsg("Messages expunged");
768  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
769}
770
771void owl_function_firstmsg(void)
772{
773  owl_global_set_curmsg(&g, 0);
774  owl_global_set_topmsg(&g, 0);
775  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
776  owl_global_set_direction_downwards(&g);
777}
778
779void owl_function_lastmsg_noredisplay(void)
780{
781  int oldcurmsg, curmsg;
782  const owl_view *v;
783
784  v=owl_global_get_current_view(&g);
785  oldcurmsg=owl_global_get_curmsg(&g);
786  curmsg=owl_view_get_size(v)-1; 
787  if (curmsg<0) curmsg=0;
788  owl_global_set_curmsg(&g, curmsg);
789  if (oldcurmsg < curmsg) {
790    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
791  } else if (curmsg<owl_view_get_size(v)) {
792    /* If already at the end, blank the screen and move curmsg
793     * past the end of the messages. */
794    owl_global_set_topmsg(&g, curmsg+1);
795    owl_global_set_curmsg(&g, curmsg+1);
796  } 
797  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
798  owl_global_set_direction_downwards(&g);
799}
800
801void owl_function_lastmsg(void)
802{
803  owl_function_lastmsg_noredisplay();
804  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
805}
806
807void owl_function_shift_right(void)
808{
809  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
810  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
811  owl_global_set_needrefresh(&g);
812}
813
814void owl_function_shift_left(void)
815{
816  int shift;
817
818  shift=owl_global_get_rightshift(&g);
819  if (shift > 0) {
820    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
821    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
822    owl_global_set_needrefresh(&g);
823  } else {
824    owl_function_beep();
825    owl_function_makemsg("Already full left");
826  }
827}
828
829void owl_function_unsuball(void)
830{
831  unsuball();
832  owl_function_makemsg("Unsubscribed from all messages.");
833}
834
835
836/* Load zephyr subscriptions from the named 'file' and load zephyr's
837 * default subscriptions as well.  An error message is printed if
838 * 'file' can't be opened or if zephyr reports an error in
839 * subscribing.
840 *
841 * If 'file' is NULL, this look for the default filename
842 * $HOME/.zephyr.subs.  If the file can not be opened in this case
843 * only, no error message is printed.
844 */
845void owl_function_loadsubs(const char *file)
846{
847  int ret, ret2;
848  const char *foo;
849  char *path;
850
851  if (file==NULL) {
852    ret=owl_zephyr_loadsubs(NULL, 0);
853  } else {
854    path = owl_util_makepath(file);
855    ret=owl_zephyr_loadsubs(path, 1);
856    owl_free(path);
857  }
858
859  /* for backwards compatibility for now */
860  ret2=owl_zephyr_loaddefaultsubs();
861
862  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
863
864  foo=file?file:"file";
865  if (ret==0 && ret2==0) {
866    if (!file) {
867      owl_function_makemsg("Subscribed to messages.");
868    } else {
869      owl_function_makemsg("Subscribed to messages from %s", file);
870    }
871  } else if (ret==-1) {
872    owl_function_error("Could not read %s", foo);
873  } else {
874    owl_function_error("Error subscribing to messages");
875  }
876}
877
878void owl_function_loadloginsubs(const char *file)
879{
880  int ret;
881
882  ret=owl_zephyr_loadloginsubs(file);
883
884  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
885  if (ret==0) {
886  } else if (ret==-1) {
887    owl_function_error("Could not open file for login subscriptions.");
888  } else {
889    owl_function_error("Error subscribing to login messages from file.");
890  }
891}
892
893void owl_callback_aimlogin(owl_editwin *e) {
894  char *user = owl_editwin_get_cbdata(e);
895  owl_function_aimlogin(user,
896                        owl_editwin_get_text(e));
897}
898
899void owl_function_aimlogin(const char *user, const char *passwd) {
900  int ret;
901
902  /* clear the buddylist */
903  owl_buddylist_clear(owl_global_get_buddylist(&g));
904
905  /* try to login */
906  ret=owl_aim_login(user, passwd);
907  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
908}
909
910void owl_function_suspend(void)
911{
912  endwin();
913  printf("\n");
914  kill(getpid(), SIGSTOP);
915
916  /* resize to reinitialize all the windows when we come back */
917  owl_command_resize();
918}
919
920void owl_function_zaway_toggle(void)
921{
922  if (!owl_global_is_zaway(&g)) {
923    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
924    owl_function_zaway_on();
925  } else {
926    owl_function_zaway_off();
927  }
928}
929
930void owl_function_zaway_on(void)
931{
932  owl_global_set_zaway_on(&g);
933  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
934}
935
936void owl_function_zaway_off(void)
937{
938  owl_global_set_zaway_off(&g);
939  owl_function_makemsg("zaway off");
940}
941
942void owl_function_aaway_toggle(void)
943{
944  if (!owl_global_is_aaway(&g)) {
945    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
946    owl_function_aaway_on();
947  } else {
948    owl_function_aaway_off();
949  }
950}
951
952void owl_function_aaway_on(void)
953{
954  owl_global_set_aaway_on(&g);
955  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
956  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
957}
958
959void owl_function_aaway_off(void)
960{
961  owl_global_set_aaway_off(&g);
962  /* owl_aim_set_awaymsg(""); */
963  owl_function_makemsg("AIM away off");
964}
965
966void owl_function_quit(void)
967{
968  char *ret;
969 
970  /* zlog out if we need to */
971  if (owl_global_is_havezephyr(&g) &&
972      owl_global_is_shutdownlogout(&g)) {
973    owl_zephyr_zlog_out();
974  }
975
976  /* execute the commands in shutdown */
977  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
978  if (ret) owl_free(ret);
979
980  /* signal our child process, if any */
981  if (owl_global_get_newmsgproc_pid(&g)) {
982    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
983  }
984
985  /* Quit zephyr */
986  owl_zephyr_shutdown();
987 
988  /* Quit AIM */
989  if (owl_global_is_aimloggedin(&g)) {
990    owl_aim_logout();
991  }
992
993  /* done with curses */
994  endwin();
995
996  /* restore terminal settings */
997  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
998
999  owl_function_debugmsg("Quitting Owl");
1000  exit(0);
1001}
1002
1003void owl_function_calculate_topmsg(int direction)
1004{
1005  int recwinlines, topmsg, curmsg;
1006  const owl_view *v;
1007
1008  v=owl_global_get_current_view(&g);
1009  curmsg=owl_global_get_curmsg(&g);
1010  topmsg=owl_global_get_topmsg(&g);
1011  recwinlines=owl_global_get_recwin_lines(&g);
1012
1013  /*
1014  if (owl_view_get_size(v) < 1) {
1015    return;
1016  }
1017  */
1018
1019  switch (owl_global_get_scrollmode(&g)) {
1020  case OWL_SCROLLMODE_TOP:
1021    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1022    break;
1023  case OWL_SCROLLMODE_NEARTOP:
1024    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1025    break;
1026  case OWL_SCROLLMODE_CENTER:
1027    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1028    break;
1029  case OWL_SCROLLMODE_PAGED:
1030    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1031    break;
1032  case OWL_SCROLLMODE_PAGEDCENTER:
1033    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1034    break;
1035  case OWL_SCROLLMODE_NORMAL:
1036  default:
1037    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1038  }
1039  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1040  owl_global_set_topmsg(&g, topmsg);
1041}
1042
1043/* Returns what the new topmsg should be. 
1044 * Passed the last direction of movement,
1045 * the current view,
1046 * the current message number in the view,
1047 * the top message currently being displayed,
1048 * and the number of lines in the recwin.
1049 */
1050int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1051{
1052  return(curmsg);
1053}
1054
1055int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1056{
1057  if (curmsg>0 
1058      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1059          <  recwinlines/2)) {
1060    return(curmsg-1);
1061  } else {
1062    return(curmsg);
1063  }
1064}
1065 
1066int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1067{
1068  int i, last, lines;
1069
1070  last = curmsg;
1071  lines = 0;
1072  for (i=curmsg-1; i>=0; i--) {
1073    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1074    if (lines > recwinlines/2) break;
1075    last = i;
1076  }
1077  return(last);
1078}
1079 
1080int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1081{
1082  int i, last, lines, savey;
1083 
1084  /* If we're off the top of the screen, scroll up such that the
1085   * curmsg is near the botton of the screen. */
1086  if (curmsg < topmsg) {
1087    last = curmsg;
1088    lines = 0;
1089    for (i=curmsg; i>=0; i--) {
1090      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1091      if (lines > recwinlines) break;
1092    last = i;
1093    }
1094    if (center_on_page) {
1095      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1096    } else {
1097      return(last);
1098    }
1099  }
1100
1101  /* Find number of lines from top to bottom of curmsg (store in savey) */
1102  savey=0;
1103  for (i=topmsg; i<=curmsg; i++) {
1104    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1105  }
1106
1107  /* if we're off the bottom of the screen, scroll down */
1108  if (savey > recwinlines) {
1109    if (center_on_page) {
1110      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1111    } else {
1112      return(curmsg);
1113    }
1114  }
1115
1116  /* else just stay as we are... */
1117  return(topmsg);
1118}
1119
1120int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1121{
1122  int savey, i, foo, y;
1123
1124  if (curmsg<0) return(topmsg);
1125   
1126  /* If we're off the top of the screen then center */
1127  if (curmsg<topmsg) {
1128    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1129  }
1130
1131  /* If curmsg is so far past topmsg that there are more messages than
1132     lines, skip the line counting that follows because we're
1133     certainly off screen.  */
1134  savey=curmsg-topmsg;
1135  if (savey <= recwinlines) {
1136    /* Find number of lines from top to bottom of curmsg (store in savey) */
1137    savey = 0;
1138    for (i=topmsg; i<=curmsg; i++) {
1139      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1140    }
1141  }
1142
1143  /* If we're off the bottom of the screen, set the topmsg to curmsg
1144   * and scroll upwards */
1145  if (savey > recwinlines) {
1146    topmsg=curmsg;
1147    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1148    direction=OWL_DIRECTION_UPWARDS;
1149  }
1150 
1151  /* If our bottom line is less than 1/4 down the screen then scroll up */
1152  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1153    if (savey < (recwinlines / 4)) {
1154      y=0;
1155      for (i=curmsg; i>=0; i--) {
1156        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1157        /* will we run the curmsg off the screen? */
1158        if ((foo+y) >= recwinlines) {
1159          i++;
1160          if (i>curmsg) i=curmsg;
1161          break;
1162        }
1163        /* have saved 1/2 the screen space? */
1164        y+=foo;
1165        if (y > (recwinlines / 2)) break;
1166      }
1167      if (i<0) i=0;
1168      return(i);
1169    }
1170  }
1171
1172  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1173    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1174    if (savey > ((recwinlines * 3)/4)) {
1175      y=0;
1176      /* count lines from the top until we can save 1/2 the screen size */
1177      for (i=topmsg; i<curmsg; i++) {
1178        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1179        if (y > (recwinlines / 2)) break;
1180      }
1181      if (i==curmsg) {
1182        i--;
1183      }
1184      return(i+1);
1185    }
1186  }
1187
1188  return(topmsg);
1189}
1190
1191void owl_function_resize(void)
1192{
1193  owl_global_set_resize_pending(&g);
1194}
1195
1196void owl_function_debugmsg(const char *fmt, ...)
1197{
1198  FILE *file;
1199  time_t now;
1200  va_list ap;
1201  va_start(ap, fmt);
1202
1203  if (!owl_global_is_debug_fast(&g))
1204    return;
1205
1206  file = fopen(owl_global_get_debug_file(&g), "a");
1207  if (!file) /* XXX should report this */
1208    return;
1209
1210  now = time(NULL);
1211
1212  fprintf(file, "[%d -  %.24s - %lds]: ",
1213          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1214  vfprintf(file, fmt, ap);
1215  putc('\n', file);
1216  fclose(file);
1217
1218  va_end(ap);
1219}
1220
1221void owl_function_beep(void)
1222{
1223  if (owl_global_is_bell(&g)) {
1224    beep();
1225    owl_global_set_needrefresh(&g); /* do we really need this? */
1226  }
1227}
1228
1229int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1230{
1231  int ret;
1232
1233  ret=owl_zephyr_sub(class, inst, recip);
1234  if (ret) {
1235    owl_function_error("Error subscribing.");
1236  } else {
1237    owl_function_makemsg("Subscribed.");
1238  }
1239  return(ret);
1240}
1241
1242void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1243{
1244  int ret;
1245
1246  ret=owl_zephyr_unsub(class, inst, recip);
1247  if (ret) {
1248    owl_function_error("Error subscribing.");
1249  } else {
1250    owl_function_makemsg("Unsubscribed.");
1251  }
1252}
1253
1254void owl_function_set_cursor(WINDOW *win)
1255{
1256  /* Be careful that this window is actually empty, otherwise panels get confused */
1257  if (is_wintouched(win)) {
1258    owl_function_debugmsg("Warning: owl_function_set_cursor called on dirty window");
1259    update_panels();
1260  }
1261  wnoutrefresh(win);
1262}
1263
1264void owl_function_full_redisplay(void)
1265{
1266  touchwin(owl_global_get_curs_recwin(&g));
1267  touchwin(owl_global_get_curs_sepwin(&g));
1268  touchwin(owl_global_get_curs_typwin(&g));
1269  touchwin(owl_global_get_curs_msgwin(&g));
1270
1271  sepbar("");
1272  owl_function_makemsg("");
1273
1274  owl_global_set_needrefresh(&g);
1275}
1276
1277void owl_function_popless_text(const char *text)
1278{
1279  owl_popwin *pw;
1280  owl_viewwin *v;
1281
1282  pw=owl_global_get_popwin(&g);
1283  v=owl_global_get_viewwin(&g);
1284
1285  owl_popwin_up(pw);
1286  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1287  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1288                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1289                        text);
1290  owl_viewwin_redisplay(v);
1291  owl_global_set_needrefresh(&g);
1292}
1293
1294void owl_function_popless_fmtext(const owl_fmtext *fm)
1295{
1296  owl_popwin *pw;
1297  owl_viewwin *v;
1298
1299  pw=owl_global_get_popwin(&g);
1300  v=owl_global_get_viewwin(&g);
1301
1302  owl_popwin_up(pw);
1303  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1304  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1305                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1306                   fm);
1307  owl_viewwin_redisplay(v);
1308  owl_global_set_needrefresh(&g);
1309}
1310
1311void owl_function_popless_file(const char *filename)
1312{
1313  owl_fmtext fm;
1314  FILE *file;
1315  char *s = NULL;
1316
1317  file=fopen(filename, "r");
1318  if (!file) {
1319    owl_function_error("Could not open file: %s", filename);
1320    return;
1321  }
1322
1323  owl_fmtext_init_null(&fm);
1324  while (owl_getline(&s, file))
1325    owl_fmtext_append_normal(&fm, s);
1326  owl_free(s);
1327
1328  owl_function_popless_fmtext(&fm);
1329  owl_fmtext_cleanup(&fm);
1330  fclose(file);
1331}
1332
1333void owl_function_about(void)
1334{
1335  owl_function_popless_text(
1336    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1337    "barnowl is a fork of the Owl zephyr client, written and\n"
1338    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1339    "Massachusetts Institute of Technology. \n"
1340    "\n"
1341    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1342    "released in March 2002.\n"
1343    "\n"
1344    "The name 'owl' was chosen in reference to the owls in the\n"
1345    "Harry Potter novels, who are tasked with carrying messages\n"
1346    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1347    "because we feel our owls should live closer to our ponies.\n"
1348    "\n"
1349    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
1350    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1351    "Copyright 2002 Massachusetts Institute of Technology\n"
1352    "\n"
1353    "This program is free software. You can redistribute it and/or\n"
1354    "modify under the terms of the Sleepycat License. Use the \n"
1355    "':show license' command to display the full license\n"
1356  );
1357}
1358
1359void owl_function_info(void)
1360{
1361  const owl_message *m;
1362  owl_fmtext fm, attrfm;
1363  const owl_view *v;
1364#ifdef HAVE_LIBZEPHYR
1365  const ZNotice_t *n;
1366#endif
1367
1368  owl_fmtext_init_null(&fm);
1369 
1370  v=owl_global_get_current_view(&g);
1371  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1372  if (!m || owl_view_get_size(v)==0) {
1373    owl_function_error("No message selected\n");
1374    return;
1375  }
1376
1377  owl_fmtext_append_bold(&fm, "General Information:\n");
1378  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1379
1380  owl_fmtext_append_normal(&fm, "  Type      : ");
1381  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1382  owl_fmtext_append_normal(&fm, "\n");
1383
1384  if (owl_message_is_direction_in(m)) {
1385    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1386  } else if (owl_message_is_direction_out(m)) {
1387    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1388  } else if (owl_message_is_direction_none(m)) {
1389    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1390  } else {
1391    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1392  }
1393
1394  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1395
1396  if (!owl_message_is_type_admin(m)) {
1397    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1398    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1399  }
1400
1401  if (owl_message_is_type_zephyr(m)) {
1402    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1403   
1404    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1405    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1406    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1407#ifdef HAVE_LIBZEPHYR
1408    if (owl_message_is_direction_in(m)) {
1409      char *ptr, tmpbuff[1024];
1410      int i, j, fields, len;
1411
1412      n=owl_message_get_notice(m);
1413
1414      if (!owl_message_is_pseudo(m)) {
1415        owl_fmtext_append_normal(&fm, "  Kind      : ");
1416        if (n->z_kind==UNSAFE) {
1417          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1418        } else if (n->z_kind==UNACKED) {
1419          owl_fmtext_append_normal(&fm, "UNACKED\n");
1420        } else if (n->z_kind==ACKED) {
1421          owl_fmtext_append_normal(&fm, "ACKED\n");
1422        } else if (n->z_kind==HMACK) {
1423          owl_fmtext_append_normal(&fm, "HMACK\n");
1424        } else if (n->z_kind==HMCTL) {
1425          owl_fmtext_append_normal(&fm, "HMCTL\n");
1426        } else if (n->z_kind==SERVACK) {
1427          owl_fmtext_append_normal(&fm, "SERVACK\n");
1428        } else if (n->z_kind==SERVNAK) {
1429          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1430        } else if (n->z_kind==CLIENTACK) {
1431          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1432        } else if (n->z_kind==STAT) {
1433          owl_fmtext_append_normal(&fm, "STAT\n");
1434        } else {
1435          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1436        }
1437      }
1438      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1439
1440      if (!owl_message_is_pseudo(m)) {
1441        owl_fmtext_append_normal(&fm, "\n");
1442        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1443        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1444
1445        /* FIXME make these more descriptive */
1446        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1447        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1448        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1449        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1450
1451        fields=owl_zephyr_get_num_fields(n);
1452        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1453
1454        for (i=0; i<fields; i++) {
1455          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1456          len=strlen(ptr);
1457          if (len<30) {
1458            strncpy(tmpbuff, ptr, len);
1459            tmpbuff[len]='\0';
1460          } else {
1461            strncpy(tmpbuff, ptr, 30);
1462            tmpbuff[30]='\0';
1463            strcat(tmpbuff, "...");
1464          }
1465          owl_free(ptr);
1466
1467          for (j=0; j<strlen(tmpbuff); j++) {
1468            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1469            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1470          }
1471
1472          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1473        }
1474        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1475      }
1476
1477    }
1478#endif
1479  }
1480
1481  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1482  owl_message_attributes_tofmtext(m, &attrfm);
1483  owl_fmtext_append_fmtext(&fm, &attrfm);
1484 
1485  owl_function_popless_fmtext(&fm);
1486  owl_fmtext_cleanup(&fm);
1487  owl_fmtext_cleanup(&attrfm);
1488}
1489
1490/* print the current message in a popup window.
1491 * Use the 'default' style regardless of whatever
1492 * style the user may be using
1493 */
1494void owl_function_curmsg_to_popwin(void)
1495{
1496  const owl_view *v;
1497  const owl_message *m;
1498  const owl_style *s;
1499  owl_fmtext fm;
1500
1501  v=owl_global_get_current_view(&g);
1502  s=owl_global_get_style_by_name(&g, "default");
1503
1504  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1505
1506  if (!m || owl_view_get_size(v)==0) {
1507    owl_function_error("No current message");
1508    return;
1509  }
1510
1511  owl_fmtext_init_null(&fm);
1512  owl_style_get_formattext(s, &fm, m);
1513
1514  owl_function_popless_fmtext(&fm);
1515  owl_fmtext_cleanup(&fm);
1516}
1517
1518void owl_function_page_curmsg(int step)
1519{
1520  /* scroll down or up within the current message IF the message is truncated */
1521
1522  int offset, curmsg, lines;
1523  const owl_view *v;
1524  owl_message *m;
1525
1526  offset=owl_global_get_curmsg_vert_offset(&g);
1527  v=owl_global_get_current_view(&g);
1528  curmsg=owl_global_get_curmsg(&g);
1529  m=owl_view_get_element(v, curmsg);
1530  if (!m || owl_view_get_size(v)==0) return;
1531  lines=owl_message_get_numlines(m);
1532
1533  if (offset==0) {
1534    /* Bail if the curmsg isn't the last one displayed */
1535    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1536      owl_function_makemsg("The entire message is already displayed");
1537      return;
1538    }
1539   
1540    /* Bail if we're not truncated */
1541    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1542      owl_function_makemsg("The entire message is already displayed");
1543      return;
1544    }
1545  }
1546 
1547 
1548  /* don't scroll past the last line */
1549  if (step>0) {
1550    if (offset+step > lines-1) {
1551      owl_global_set_curmsg_vert_offset(&g, lines-1);
1552    } else {
1553      owl_global_set_curmsg_vert_offset(&g, offset+step);
1554    }
1555  }
1556
1557  /* would we be before the beginning of the message? */
1558  if (step<0) {
1559    if (offset+step<0) {
1560      owl_global_set_curmsg_vert_offset(&g, 0);
1561    } else {
1562      owl_global_set_curmsg_vert_offset(&g, offset+step);
1563    }
1564  }
1565 
1566  /* redisplay */
1567  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1568  owl_global_set_needrefresh(&g);
1569}
1570
1571void owl_function_resize_typwin(int newsize)
1572{
1573  owl_global_set_typwin_lines(&g, newsize);
1574  owl_global_set_relayout_pending(&g);
1575}
1576
1577void owl_function_mainwin_pagedown(void)
1578{
1579  int i;
1580
1581  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1582  if (i<0) return;
1583  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1584      && (owl_global_get_curmsg(&g) < i)
1585      && (i>0)) {
1586    i--;
1587  }
1588  owl_global_set_curmsg(&g, i);
1589  owl_function_nextmsg();
1590}
1591
1592void owl_function_mainwin_pageup(void)
1593{
1594  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1595  owl_function_prevmsg();
1596}
1597
1598void owl_function_getsubs(void)
1599{
1600  char *buff;
1601
1602  buff=owl_zephyr_getsubs();
1603
1604  if (buff) {
1605    owl_function_popless_text(buff);
1606  } else {
1607    owl_function_popless_text("Error getting subscriptions");
1608  }
1609           
1610  owl_free(buff);
1611}
1612
1613void owl_function_printallvars(void)
1614{
1615  const char *name;
1616  char var[LINE];
1617  owl_list varnames;
1618  int i, numvarnames;
1619  GString *str   = g_string_new("");
1620
1621  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1622  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1623  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1624  numvarnames = owl_list_get_size(&varnames);
1625  for (i=0; i<numvarnames; i++) {
1626    name = owl_list_get_element(&varnames, i);
1627    if (name && name[0]!='_') {
1628      g_string_append_printf(str, "\n%-20s = ", name);
1629      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1630      g_string_append(str, var);
1631    }
1632  }
1633  g_string_append(str, "\n");
1634  owl_variable_dict_namelist_cleanup(&varnames);
1635
1636  owl_function_popless_text(str->str);
1637  g_string_free(str, TRUE);
1638}
1639
1640void owl_function_show_variables(void)
1641{
1642  owl_list varnames;
1643  owl_fmtext fm; 
1644  int i, numvarnames;
1645  const char *varname;
1646
1647  owl_fmtext_init_null(&fm);
1648  owl_fmtext_append_bold(&fm, 
1649      "Variables: (use 'show variable <name>' for details)\n");
1650  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1651  numvarnames = owl_list_get_size(&varnames);
1652  for (i=0; i<numvarnames; i++) {
1653    varname = owl_list_get_element(&varnames, i);
1654    if (varname && varname[0]!='_') {
1655      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1656    }
1657  }
1658  owl_variable_dict_namelist_cleanup(&varnames);
1659  owl_function_popless_fmtext(&fm);
1660  owl_fmtext_cleanup(&fm);
1661}
1662
1663void owl_function_show_variable(const char *name)
1664{
1665  owl_fmtext fm; 
1666
1667  owl_fmtext_init_null(&fm);
1668  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1669  owl_function_popless_fmtext(&fm);
1670  owl_fmtext_cleanup(&fm);
1671}
1672
1673/* note: this applies to global message list, not to view.
1674 * If flag is 1, deletes.  If flag is 0, undeletes. */
1675void owl_function_delete_by_id(int id, int flag)
1676{
1677  const owl_messagelist *ml;
1678  owl_message *m;
1679  ml = owl_global_get_msglist(&g);
1680  m = owl_messagelist_get_by_id(ml, id);
1681  if (m) {
1682    if (flag == 1) {
1683      owl_message_mark_delete(m);
1684    } else if (flag == 0) {
1685      owl_message_unmark_delete(m);
1686    }
1687    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1688    owl_global_set_needrefresh(&g);
1689  } else {
1690    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1691  }
1692}
1693
1694void owl_function_delete_automsgs(void)
1695{
1696  /* mark for deletion all messages in the current view that match the
1697   * 'trash' filter */
1698
1699  int i, j, count;
1700  owl_message *m;
1701  const owl_view *v;
1702  const owl_filter *f;
1703
1704  /* get the trash filter */
1705  f=owl_global_get_filter(&g, "trash");
1706  if (!f) {
1707    owl_function_error("No trash filter defined");
1708    return;
1709  }
1710
1711  v=owl_global_get_current_view(&g);
1712
1713  count=0;
1714  j=owl_view_get_size(v);
1715  for (i=0; i<j; i++) {
1716    m=owl_view_get_element(v, i);
1717    if (owl_filter_message_match(f, m)) {
1718      count++;
1719      owl_message_mark_delete(m);
1720    }
1721  }
1722  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1723  owl_function_makemsg("%i messages marked for deletion", count);
1724  owl_global_set_needrefresh(&g);
1725}
1726
1727void owl_function_status(void)
1728{
1729  char buff[MAXPATHLEN+1];
1730  time_t start;
1731  int up, days, hours, minutes;
1732  owl_fmtext fm;
1733
1734  owl_fmtext_init_null(&fm);
1735
1736  start=owl_global_get_starttime(&g);
1737
1738  owl_fmtext_append_normal(&fm, "General Information:\n");
1739
1740  owl_fmtext_append_normal(&fm, "  Version: ");
1741  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1742  owl_fmtext_append_normal(&fm, "\n");
1743
1744  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1745  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1746  owl_fmtext_append_normal(&fm, "\n");
1747
1748  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1749  if(getcwd(buff, MAXPATHLEN) == NULL) {
1750    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1751  } else {
1752    owl_fmtext_append_normal(&fm, buff);
1753  }
1754  owl_fmtext_append_normal(&fm, "\n");
1755
1756  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1757
1758  up=owl_global_get_runtime(&g);
1759  days=up/86400;
1760  up-=days*86400;
1761  hours=up/3600;
1762  up-=hours*3600;
1763  minutes=up/60;
1764  up-=minutes*60;
1765  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1766
1767  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1768  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1769  if (owl_global_is_havezephyr(&g)) {
1770    owl_fmtext_append_normal(&fm, "yes\n");
1771  } else {
1772    owl_fmtext_append_normal(&fm, "no\n");
1773  }
1774  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1775  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1776
1777
1778  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1779  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1780#if OWL_STDERR_REDIR
1781  owl_fmtext_append_normal(&fm, "yes\n");
1782#else
1783  owl_fmtext_append_normal(&fm, "no\n");
1784#endif
1785 
1786
1787  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1788  owl_fmtext_append_normal(&fm, "  Logged in: ");
1789  if (owl_global_is_aimloggedin(&g)) {
1790    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1791    owl_fmtext_append_normal(&fm, "\n");
1792  } else {
1793    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1794  }
1795
1796  owl_fmtext_append_normal(&fm, "  Processing events: ");
1797  if (owl_global_is_doaimevents(&g)) {
1798    owl_fmtext_append_normal(&fm, "yes\n");
1799  } else {
1800    owl_fmtext_append_normal(&fm, "no\n");
1801  }
1802
1803  owl_function_popless_fmtext(&fm);
1804  owl_fmtext_cleanup(&fm);
1805}
1806
1807void owl_function_show_term(void)
1808{
1809  owl_fmtext fm;
1810
1811  owl_fmtext_init_null(&fm);
1812  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1813          owl_global_get_lines(&g),
1814          owl_global_get_cols(&g));
1815
1816  if (owl_global_get_hascolors(&g)) {
1817    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1818    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1819    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1820  } else {
1821    owl_fmtext_append_normal(&fm, "Color: No\n");
1822  }
1823
1824  owl_function_popless_fmtext(&fm);
1825  owl_fmtext_cleanup(&fm);
1826}
1827
1828/* if type = 0 then normal reply.
1829 * if type = 1 then it's a reply to sender
1830 * if enter = 0 then allow the command to be edited
1831 * if enter = 1 then don't wait for editing
1832 */
1833void owl_function_reply(int type, int enter)
1834{
1835  char *buff=NULL;
1836  const owl_message *m;
1837  const owl_filter *f;
1838 
1839  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1840    owl_function_error("No message selected");
1841  } else {
1842    char *cmd;
1843   
1844    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1845    if (!m) {
1846      owl_function_error("No message selected");
1847      return;
1848    }
1849
1850    /* first check if we catch the reply-lockout filter */
1851    f=owl_global_get_filter(&g, "reply-lockout");
1852    if (f) {
1853      if (owl_filter_message_match(f, m)) {
1854        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1855        return;
1856      }
1857    }
1858
1859    /* then check if it's a question and just bring up the command prompt */
1860    if (owl_message_is_question(m)) {
1861      owl_function_start_command("");
1862      return;
1863    }
1864
1865    if((type == 0 &&
1866        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1867       (type == 1 &&
1868        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1869      buff = cmd;
1870    }
1871
1872    if(!buff) {
1873        owl_function_error("I don't know how to reply to that message.");
1874        return;
1875    }
1876
1877    if (enter) {
1878      owl_history *hist = owl_global_get_cmd_history(&g);
1879      owl_history_store(hist, buff);
1880      owl_history_reset(hist);
1881      owl_function_command_norv(buff);
1882    } else {
1883      owl_function_start_command(buff);
1884    }
1885    owl_free(buff);
1886  }
1887}
1888
1889void owl_function_zlocate(int argc, const char *const *argv, int auth)
1890{
1891  owl_fmtext fm;
1892  char *ptr;
1893  char *result;
1894  int i;
1895
1896  owl_fmtext_init_null(&fm);
1897
1898  for (i=0; i<argc; i++) {
1899    ptr = long_zuser(argv[i]);
1900    result = owl_zephyr_zlocate(ptr, auth);
1901    owl_fmtext_append_normal(&fm, result);
1902    owl_free(result);
1903    owl_free(ptr);
1904  }
1905
1906  owl_function_popless_fmtext(&fm);
1907  owl_fmtext_cleanup(&fm);
1908}
1909
1910void owl_callback_command(owl_editwin *e)
1911{
1912  char *rv;
1913  const char *line = owl_editwin_get_text(e);
1914
1915  rv = owl_function_command(line);
1916   if (rv) {
1917    owl_function_makemsg("%s", rv);
1918    owl_free(rv);
1919  }
1920}
1921
1922void owl_function_start_command(const char *line)
1923{
1924  owl_editwin *tw;
1925
1926  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1927
1928  owl_editwin_set_locktext(tw, "command: ");
1929  owl_global_set_needrefresh(&g);
1930
1931  owl_editwin_insert_string(tw, line);
1932  owl_editwin_redisplay(tw);
1933
1934  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1935  owl_editwin_set_callback(tw, owl_callback_command);
1936}
1937
1938owl_editwin *owl_function_start_question(const char *line)
1939{
1940  owl_editwin *tw;
1941
1942  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1943
1944  owl_editwin_set_locktext(tw, line);
1945  owl_global_set_needrefresh(&g);
1946
1947  owl_editwin_redisplay(tw);
1948
1949  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1950  return tw;
1951}
1952
1953owl_editwin *owl_function_start_password(const char *line)
1954{
1955  owl_editwin *tw;
1956
1957  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1958
1959  owl_editwin_set_echochar(tw, '*');
1960
1961  owl_editwin_set_locktext(tw, line);
1962  owl_global_set_needrefresh(&g);
1963
1964  owl_editwin_redisplay(tw);
1965
1966  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1967  return tw;
1968}
1969
1970char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1971{
1972  /* if type == 1 display in a popup
1973   * if type == 2 display an admin messages
1974   * if type == 0 return output
1975   * else display in a popup
1976   */
1977  const char *redirect = " 2>&1 < /dev/null";
1978  char *newbuff;
1979  char *out;
1980  FILE *p;
1981
1982#if OWL_STDERR_REDIR
1983  redirect = " < /dev/null";
1984#endif
1985
1986  if (argc<2) {
1987    owl_function_error("Wrong number of arguments to the exec command");
1988    return NULL;
1989  }
1990
1991  buff = skiptokens(buff, 1);
1992  newbuff = owl_sprintf("%s%s", buff, redirect);
1993
1994  if (type == OWL_OUTPUT_POPUP) {
1995    owl_popexec_new(newbuff);
1996  } else {
1997    p = popen(newbuff, "r");
1998    out = owl_slurp(p);
1999    pclose(p);
2000   
2001    if (type == OWL_OUTPUT_RETURN) {
2002      owl_free(newbuff);
2003      return out;
2004    } else if (type == OWL_OUTPUT_ADMINMSG) {
2005      owl_function_adminmsg(buff, out);
2006    }
2007    owl_free(out);
2008  }
2009  owl_free(newbuff);
2010  return NULL;
2011}
2012
2013char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2014{
2015  /* if type == 1 display in a popup
2016   * if type == 2 display an admin messages
2017   * if type == 0 return output
2018   * else display in a popup
2019   */
2020  char *perlout;
2021
2022  if (argc<2) {
2023    owl_function_error("Wrong number of arguments to perl command");
2024    return NULL;
2025  }
2026
2027  /* consume first token (argv[0]) */
2028  buff = skiptokens(buff, 1);
2029
2030  perlout = owl_perlconfig_execute(buff);
2031  if (perlout) { 
2032    if (type == OWL_OUTPUT_POPUP) {
2033      owl_function_popless_text(perlout);
2034    } else if (type == OWL_OUTPUT_ADMINMSG) {
2035      owl_function_adminmsg(buff, perlout);
2036    } else if (type == OWL_OUTPUT_RETURN) {
2037      return perlout;
2038    }
2039    owl_free(perlout);
2040  }
2041  return NULL;
2042}
2043
2044/* Change the filter associated with the current view.
2045 * This also figures out which message in the new filter
2046 * should have the pointer.
2047 */
2048void owl_function_change_currentview_filter(const char *filtname)
2049{
2050  owl_view *v;
2051  owl_filter *f;
2052  int curid=-1, newpos, curmsg;
2053  const owl_message *curm=NULL;
2054
2055  v=owl_global_get_current_view(&g);
2056
2057  curmsg=owl_global_get_curmsg(&g);
2058  if (curmsg==-1) {
2059    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2060  } else {
2061    curm=owl_view_get_element(v, curmsg);
2062    if (curm) {
2063      curid=owl_message_get_id(curm);
2064      owl_view_save_curmsgid(v, curid);
2065    }
2066  }
2067
2068  f=owl_global_get_filter(&g, filtname);
2069  if (!f) {
2070    owl_function_error("Unknown filter %s", filtname);
2071    return;
2072  }
2073
2074  owl_view_new_filter(v, f);
2075
2076  /* Figure out what to set the current message to.
2077   * - If the view we're leaving has messages in it, go to the closest message
2078   *   to the last message pointed to in that view.
2079   * - If the view we're leaving is empty, try to restore the position
2080   *   from the last time we were in the new view.  */
2081  if (curm) {
2082    newpos = owl_view_get_nearest_to_msgid(v, curid);
2083  } else {
2084    newpos = owl_view_get_nearest_to_saved(v);
2085  }
2086
2087  owl_global_set_curmsg(&g, newpos);
2088  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2089  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2090  owl_global_set_direction_downwards(&g);
2091}
2092
2093/* Create a new filter, or replace an existing one
2094 * with a new definition.
2095 */
2096void owl_function_create_filter(int argc, const char *const *argv)
2097{
2098  owl_filter *f;
2099  const owl_view *v;
2100  int inuse = 0;
2101
2102  if (argc < 2) {
2103    owl_function_error("Wrong number of arguments to filter command");
2104    return;
2105  }
2106
2107  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2108
2109  v=owl_global_get_current_view(&g);
2110
2111  /* don't touch the all filter */
2112  if (!strcmp(argv[1], "all")) {
2113    owl_function_error("You may not change the 'all' filter.");
2114    return;
2115  }
2116
2117  /* deal with the case of trying change the filter color */
2118  if (argc==4 && !strcmp(argv[2], "-c")) {
2119    f=owl_global_get_filter(&g, argv[1]);
2120    if (!f) {
2121      owl_function_error("The filter '%s' does not exist.", argv[1]);
2122      return;
2123    }
2124    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2125      owl_function_error("The color '%s' is not available.", argv[3]);
2126      return;
2127    }
2128    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2129    owl_global_set_needrefresh(&g);
2130    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2131    return;
2132  }
2133  if (argc==4 && !strcmp(argv[2], "-b")) {
2134    f=owl_global_get_filter(&g, argv[1]);
2135    if (!f) {
2136      owl_function_error("The filter '%s' does not exist.", argv[1]);
2137      return;
2138    }
2139    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2140      owl_function_error("The color '%s' is not available.", argv[3]);
2141      return;
2142    }
2143    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2144    owl_global_set_needrefresh(&g);
2145    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2146    return;
2147  }
2148
2149  /* create the filter and check for errors */
2150  f = owl_filter_new(argv[1], argc-2, argv+2);
2151  if (f == NULL) {
2152    owl_function_error("Invalid filter");
2153    return;
2154  }
2155
2156  /* if the named filter is in use by the current view, remember it */
2157  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2158    inuse=1;
2159  }
2160
2161  /* if the named filter already exists, nuke it */
2162  if (owl_global_get_filter(&g, argv[1])) {
2163    owl_global_remove_filter(&g, argv[1]);
2164  }
2165
2166  /* add the filter */
2167  owl_global_add_filter(&g, f);
2168
2169  /* if it was in use by the current view then update */
2170  if (inuse) {
2171    owl_function_change_currentview_filter(argv[1]);
2172  }
2173  owl_global_set_needrefresh(&g);
2174  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2175}
2176
2177/* If 'filtername' does not start with 'not-' create a filter named
2178 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2179 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2180 * 'filtername' begins with 'not-' and a filter 'filtername' already
2181 * exists, then do nothing.  If the filter 'filtername' does not
2182 * exist, create it and define it as 'not filter <filtername>'
2183 *
2184 * Returns the name of the negated filter, which the caller must free.
2185 */
2186char *owl_function_create_negative_filter(const char *filtername)
2187{
2188  char *newname;
2189  const owl_filter *tmpfilt;
2190  const char *argv[5];
2191
2192  owl_function_debugmsg("owl_function_create_negative_filter");
2193 
2194  if (!strncmp(filtername, "not-", 4)) {
2195    newname=owl_strdup(filtername+4);
2196  } else {
2197    newname=owl_sprintf("not-%s", filtername);
2198  }
2199
2200  tmpfilt=owl_global_get_filter(&g, newname);
2201  if (!tmpfilt) {
2202    argv[0]="filter"; /* anything is fine here */
2203    argv[1]=newname;
2204    argv[2]="not";
2205    argv[3]="filter";
2206    argv[4]=filtername;
2207    owl_function_create_filter(5, argv);
2208  }
2209
2210  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2211  return(newname);
2212}
2213
2214void owl_function_show_filters(void)
2215{
2216  const owl_filter *f;
2217  GList *fl;
2218  owl_fmtext fm;
2219
2220  owl_fmtext_init_null(&fm);
2221
2222  owl_fmtext_append_bold(&fm, "Filters:\n");
2223
2224  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2225    f = fl->data;
2226    owl_fmtext_append_normal(&fm, "   ");
2227    if (owl_global_get_hascolors(&g)) {
2228      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2229    } else {
2230      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2231    }
2232    owl_fmtext_append_normal(&fm, "\n");
2233  }
2234  owl_function_popless_fmtext(&fm);
2235  owl_fmtext_cleanup(&fm);
2236}
2237
2238void owl_function_show_filter(const char *name)
2239{
2240  const owl_filter *f;
2241  char *buff, *tmp;
2242
2243  f=owl_global_get_filter(&g, name);
2244  if (!f) {
2245    owl_function_error("There is no filter named %s", name);
2246    return;
2247  }
2248  tmp = owl_filter_print(f);
2249  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2250  owl_function_popless_text(buff);
2251  owl_free(buff);
2252  owl_free(tmp);
2253}
2254
2255void owl_function_show_zpunts(void)
2256{
2257  const owl_filter *f;
2258  const owl_list *fl;
2259  char buff[5000];
2260  char *tmp;
2261  owl_fmtext fm;
2262  int i, j;
2263
2264  owl_fmtext_init_null(&fm);
2265
2266  fl=owl_global_get_puntlist(&g);
2267  j=owl_list_get_size(fl);
2268  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2269
2270  for (i=0; i<j; i++) {
2271    f=owl_list_get_element(fl, i);
2272    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2273    owl_fmtext_append_normal(&fm, buff);
2274    tmp = owl_filter_print(f);
2275    owl_fmtext_append_normal(&fm, tmp);
2276    owl_free(tmp);
2277  }
2278  owl_function_popless_fmtext(&fm);
2279  owl_fmtext_cleanup(&fm);
2280}
2281
2282/* Create a filter for a class, instance if one doesn't exist.  If
2283 * instance is NULL then catch all messgaes in the class.  Returns the
2284 * name of the filter, which the caller must free.
2285 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2286 */
2287char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2288{
2289  owl_filter *f;
2290  char *argbuff, *filtname;
2291  char *tmpclass, *tmpinstance = NULL;
2292  char *class, *instance = NULL;
2293
2294  if (related) {
2295    class = owl_util_baseclass(c);
2296    if (i) {
2297      instance = owl_util_baseclass(i);
2298    }
2299  } else {
2300    class = owl_strdup(c);
2301    if (i) {
2302      instance = owl_strdup(i);
2303    }
2304  }
2305
2306  /* name for the filter */
2307  if (!instance) {
2308    filtname = owl_sprintf("%sclass-%s", related ? "related-" : "", class);
2309  } else {
2310    filtname = owl_sprintf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2311  }
2312  /* downcase it */
2313  {
2314    char *temp = g_utf8_strdown(filtname, -1);
2315    if (temp) {
2316      owl_free(filtname);
2317      filtname = temp;
2318    }
2319  }
2320  /* turn spaces, single quotes, and double quotes into dots */
2321  owl_text_tr(filtname, ' ', '.');
2322  owl_text_tr(filtname, '\'', '.');
2323  owl_text_tr(filtname, '"', '.');
2324 
2325  /* if it already exists then go with it.  This lets users override */
2326  if (owl_global_get_filter(&g, filtname)) {
2327    goto done;
2328  }
2329
2330  /* create the new filter */
2331  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2332  owl_text_tr(tmpclass, ' ', '.');
2333  owl_text_tr(tmpclass, '\'', '.');
2334  owl_text_tr(tmpclass, '"', '.');
2335  if (instance) {
2336    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2337    owl_text_tr(tmpinstance, ' ', '.');
2338    owl_text_tr(tmpinstance, '\'', '.');
2339    owl_text_tr(tmpinstance, '"', '.');
2340  }
2341
2342  argbuff = owl_sprintf(related ? "class ^(un)*%s(\\.d)*$" : "class ^%s$", tmpclass);
2343  if (tmpinstance) {
2344    char *tmp = argbuff;
2345    argbuff = owl_sprintf(related ? "%s and ( instance ^(un)*%s(\\.d)*$ )" : "%s and instance ^%s$", tmp, tmpinstance);
2346    owl_free(tmp);
2347  }
2348  owl_free(tmpclass);
2349  if (tmpinstance) owl_free(tmpinstance);
2350
2351  f = owl_filter_new_fromstring(filtname, argbuff);
2352
2353  /* add it to the global list */
2354  owl_global_add_filter(&g, f);
2355
2356  owl_free(argbuff);
2357done:
2358  owl_free(class);
2359  if (instance) {
2360    owl_free(instance);
2361  }
2362  return(filtname);
2363}
2364
2365/* Create a filter for personal zephyrs to or from the specified
2366 * zephyr user.  Includes login/logout notifications for the user.
2367 * The name of the filter will be 'user-<user>'.  If a filter already
2368 * exists with this name, no new filter will be created.  This allows
2369 * the configuration to override this function.  Returns the name of
2370 * the filter, which the caller must free.
2371 */
2372char *owl_function_zuserfilt(const char *user)
2373{
2374  owl_filter *f;
2375  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2376
2377  /* stick the local realm on if it's not there */
2378  longuser=long_zuser(user);
2379  shortuser=short_zuser(user);
2380
2381  /* name for the filter */
2382  filtname=owl_sprintf("user-%s", shortuser);
2383
2384  /* if it already exists then go with it.  This lets users override */
2385  if (owl_global_get_filter(&g, filtname)) {
2386    return filtname;
2387  }
2388
2389  /* create the new-internal filter */
2390  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2391
2392  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2393      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2394      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2395      esclonguser);
2396
2397  f = owl_filter_new_fromstring(filtname, argbuff);
2398
2399  /* add it to the global list */
2400  owl_global_add_filter(&g, f);
2401
2402  /* free stuff */
2403  owl_free(argbuff);
2404  owl_free(longuser);
2405  owl_free(esclonguser);
2406  owl_free(shortuser);
2407
2408  return(filtname);
2409}
2410
2411/* Create a filter for AIM IM messages to or from the specified
2412 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2413 * filter already exists with this name, no new filter will be
2414 * created.  This allows the configuration to override this function.
2415 * Returns the name of the filter, which the caller must free.
2416 */
2417char *owl_function_aimuserfilt(const char *user)
2418{
2419  owl_filter *f;
2420  char *argbuff, *filtname;
2421  char *escuser;
2422
2423  /* name for the filter */
2424  filtname=owl_sprintf("aimuser-%s", user);
2425
2426  /* if it already exists then go with it.  This lets users override */
2427  if (owl_global_get_filter(&g, filtname)) {
2428    return(owl_strdup(filtname));
2429  }
2430
2431  /* create the new-internal filter */
2432  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2433
2434  argbuff = owl_sprintf(
2435      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2436      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2437      escuser, owl_global_get_aim_screenname_for_filters(&g));
2438
2439  f = owl_filter_new_fromstring(filtname, argbuff);
2440
2441  /* add it to the global list */
2442  owl_global_add_filter(&g, f);
2443
2444  /* free stuff */
2445  owl_free(argbuff);
2446  owl_free(escuser);
2447
2448  return(filtname);
2449}
2450
2451char *owl_function_typefilt(const char *type)
2452{
2453  owl_filter *f;
2454  char *argbuff, *filtname, *esctype;
2455
2456  /* name for the filter */
2457  filtname=owl_sprintf("type-%s", type);
2458
2459  /* if it already exists then go with it.  This lets users override */
2460  if (owl_global_get_filter(&g, filtname)) {
2461    return filtname;
2462  }
2463
2464  /* create the new-internal filter */
2465  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2466
2467  argbuff = owl_sprintf("type ^%s$", esctype);
2468
2469  f = owl_filter_new_fromstring(filtname, argbuff);
2470
2471  /* add it to the global list */
2472  owl_global_add_filter(&g, f);
2473
2474  /* free stuff */
2475  owl_free(argbuff);
2476  owl_free(esctype);
2477
2478  return filtname;
2479}
2480
2481/* If flag is 1, marks for deletion.  If flag is 0,
2482 * unmarks for deletion. */
2483void owl_function_delete_curview_msgs(int flag)
2484{
2485  const owl_view *v;
2486  int i, j;
2487
2488  v=owl_global_get_current_view(&g);
2489  j=owl_view_get_size(v);
2490  for (i=0; i<j; i++) {
2491    if (flag == 1) {
2492      owl_message_mark_delete(owl_view_get_element(v, i));
2493    } else if (flag == 0) {
2494      owl_message_unmark_delete(owl_view_get_element(v, i));
2495    }
2496  }
2497
2498  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2499
2500  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2501}
2502
2503static char *owl_function_smartfilter_cc(const owl_message *m) {
2504  const char *ccs;
2505  char *filtname;
2506  char *text;
2507  owl_filter *f;
2508
2509  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2510
2511  filtname = owl_sprintf("conversation-%s", ccs);
2512  owl_text_tr(filtname, ' ', '-');
2513
2514  if (owl_global_get_filter(&g, filtname)) {
2515    return filtname;
2516  }
2517
2518  text = owl_sprintf("type ^zephyr$ and filter personal and "
2519                     "zephyr_ccs ^%s%s%s$",
2520                     owl_getquoting(ccs), ccs, owl_getquoting(ccs));
2521
2522  f = owl_filter_new_fromstring(filtname, text);
2523
2524  owl_global_add_filter(&g, f);
2525
2526  owl_free(text);
2527
2528  return filtname;
2529}
2530
2531/* Create a filter based on the current message.  Returns the name of
2532 * a filter or null.  The caller must free this name.
2533 *
2534 * if the curmsg is a personal zephyr return a filter name
2535 *    to the zephyr conversation with that user.
2536 * If the curmsg is a zephyr class message, instance foo, recip *,
2537 *    return a filter name to the class, inst.
2538 * If the curmsg is a zephyr class message and type==0 then
2539 *    return a filter name for just the class.
2540 * If the curmsg is a zephyr class message and type==1 then
2541 *    return a filter name for the class and instance.
2542 * If the curmsg is a personal AIM message returna  filter
2543 *    name to the AIM conversation with that user
2544 */
2545char *owl_function_smartfilter(int type, int invert_related)
2546{
2547  const owl_view *v;
2548  const owl_message *m;
2549  char *zperson, *filtname=NULL;
2550  const char *argv[2];
2551  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2552
2553  v=owl_global_get_current_view(&g);
2554  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2555
2556  if (!m || owl_view_get_size(v)==0) {
2557    owl_function_error("No message selected\n");
2558    return(NULL);
2559  }
2560
2561  /* very simple handling of admin messages for now */
2562  if (owl_message_is_type_admin(m)) {
2563    return(owl_function_typefilt("admin"));
2564  }
2565
2566  /* very simple handling of loopback messages for now */
2567  if (owl_message_is_type_loopback(m)) {
2568    return(owl_function_typefilt("loopback"));
2569  }
2570
2571  /* aim messages */
2572  if (owl_message_is_type_aim(m)) {
2573    if (owl_message_is_direction_in(m)) {
2574      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2575    } else if (owl_message_is_direction_out(m)) {
2576      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2577    }
2578    return(filtname);
2579  }
2580
2581  /* narrow personal and login messages to the sender or recip as appropriate */
2582  if (owl_message_is_type_zephyr(m)) {
2583    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2584      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2585        return owl_function_smartfilter_cc(m);
2586      }
2587
2588      if (owl_message_is_direction_in(m)) {
2589        zperson=short_zuser(owl_message_get_sender(m));
2590      } else {
2591        zperson=short_zuser(owl_message_get_recipient(m));
2592      }
2593      filtname=owl_function_zuserfilt(zperson);
2594      owl_free(zperson);
2595      return(filtname);
2596    }
2597
2598    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2599    if (!strcasecmp(owl_message_get_class(m), "message")) {
2600      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2601      return(filtname);
2602    }
2603
2604    /* otherwise narrow to the class */
2605    if (type==0) {
2606      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2607    } else if (type==1) {
2608      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2609    }
2610    return(filtname);
2611  }
2612
2613  /* pass it off to perl */
2614  argv[0] = type ? "1" : "0";
2615  argv[1] = related ? "1" : "0";
2616  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2617}
2618
2619void owl_function_smartzpunt(int type)
2620{
2621  /* Starts a zpunt command based on the current class,instance pair.
2622   * If type=0, uses just class.  If type=1, uses instance as well. */
2623  const owl_view *v;
2624  const owl_message *m;
2625  const char *cmdprefix, *mclass, *minst;
2626  char *cmd;
2627 
2628  v=owl_global_get_current_view(&g);
2629  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2630
2631  if (!m || owl_view_get_size(v)==0) {
2632    owl_function_error("No message selected\n");
2633    return;
2634  }
2635
2636  /* for now we skip admin messages. */
2637  if (owl_message_is_type_admin(m)
2638      || owl_message_is_loginout(m)
2639      || !owl_message_is_type_zephyr(m)) {
2640    owl_function_error("smartzpunt doesn't support this message type.");
2641    return;
2642  }
2643
2644  mclass = owl_message_get_class(m);
2645  minst = owl_message_get_instance(m);
2646  if (!mclass || !*mclass || *mclass==' '
2647      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2648      || (type && (!minst || !*minst|| *minst==' '))) {
2649    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2650                         mclass, minst);
2651  } else {
2652    cmdprefix = "start-command zpunt ";
2653    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2654    strcpy(cmd, cmdprefix);
2655    strcat(cmd, owl_getquoting(mclass));
2656    strcat(cmd, mclass);
2657    strcat(cmd, owl_getquoting(mclass));
2658    if (type) {
2659      strcat(cmd, " ");
2660      strcat(cmd, owl_getquoting(minst));
2661      strcat(cmd, minst);
2662      strcat(cmd, owl_getquoting(minst));
2663    } else {
2664      strcat(cmd, " *");
2665    }
2666    owl_function_command(cmd);
2667    owl_free(cmd);
2668  }
2669}
2670
2671/* Set the color of the current view's filter to
2672 * be 'color'
2673 */
2674void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2675{
2676  const char *name;
2677
2678  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2679  owl_function_color_filter(name, fgcolor, bgcolor);
2680}
2681
2682/* Set the color of the filter 'filter' to be 'color'.  If the color
2683 * name does not exist, return -1, if the filter does not exist or is
2684 * the "all" filter, return -2.  Return 0 on success
2685 */
2686int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2687{
2688  owl_filter *f;
2689
2690  f=owl_global_get_filter(&g, filtname);
2691  if (!f) {
2692    owl_function_error("Unknown filter");
2693    return(-2);
2694  }
2695
2696  /* don't touch the all filter */
2697  if (!strcmp(filtname, "all")) {
2698    owl_function_error("You may not change the 'all' filter.");
2699    return(-2);
2700  }
2701
2702  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2703    owl_function_error("No color named '%s' avilable.", fgcolor);
2704    return(-1);
2705  }
2706
2707
2708  if (bgcolor != NULL) {
2709    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2710      owl_function_error("No color named '%s' avilable.", bgcolor);
2711      return(-1);
2712    }
2713    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2714  }
2715  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2716 
2717  owl_global_set_needrefresh(&g);
2718  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2719  return(0);
2720}
2721
2722void owl_function_show_colors(void)
2723{
2724  owl_fmtext fm;
2725  int i; 
2726 
2727  owl_fmtext_init_null(&fm);
2728  owl_fmtext_append_normal(&fm, "default: ");
2729  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2730
2731  owl_fmtext_append_normal(&fm,"red:      ");
2732  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2733
2734  owl_fmtext_append_normal(&fm,"green:    ");
2735  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2736
2737  owl_fmtext_append_normal(&fm,"yellow:   ");
2738  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2739
2740  owl_fmtext_append_normal(&fm,"blue:     ");
2741  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2742
2743  owl_fmtext_append_normal(&fm,"magenta:  ");
2744  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2745
2746  owl_fmtext_append_normal(&fm,"cyan:     ");
2747  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2748
2749  owl_fmtext_append_normal(&fm,"white:    ");
2750  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2751
2752  for(i = 8; i < COLORS; ++i) {
2753    char* str1 = owl_sprintf("%4i:     ",i);
2754    char* str2 = owl_sprintf("%i\n",i);
2755    owl_fmtext_append_normal(&fm,str1);
2756    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2757    owl_free(str1);
2758     owl_free(str2);
2759  }
2760 
2761  owl_function_popless_fmtext(&fm);
2762  owl_fmtext_cleanup(&fm);
2763}
2764
2765/* add the given class, inst, recip to the punt list for filtering.
2766 *   if direction==0 then punt
2767 *   if direction==1 then unpunt
2768 */
2769void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2770{
2771  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2772  char *quoted;
2773
2774  if (!strcmp(class, "*")) {
2775    classexpr = owl_sprintf("class .*");
2776  } else {
2777    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2778    owl_text_tr(quoted, ' ', '.');
2779    owl_text_tr(quoted, '\'', '.');
2780    owl_text_tr(quoted, '"', '.');
2781    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2782    owl_free(quoted);
2783  }
2784  if (!strcmp(inst, "*")) {
2785    instexpr = owl_sprintf(" and instance .*");
2786  } else {
2787    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2788    owl_text_tr(quoted, ' ', '.');
2789    owl_text_tr(quoted, '\'', '.');
2790    owl_text_tr(quoted, '"', '.');
2791    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2792    owl_free(quoted);
2793  }
2794  if (!strcmp(recip, "*")) {
2795    recipexpr = owl_sprintf("");
2796  } else {
2797    if(!strcmp(recip, "%me%")) {
2798      recip = owl_zephyr_get_sender();
2799    }
2800    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2801    owl_text_tr(quoted, ' ', '.');
2802    owl_text_tr(quoted, '\'', '.');
2803    owl_text_tr(quoted, '"', '.');
2804    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2805    owl_free(quoted);
2806  }
2807
2808  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2809  owl_function_punt(puntexpr, direction);
2810  owl_free(puntexpr);
2811  owl_free(classexpr);
2812  owl_free(instexpr);
2813  owl_free(recipexpr);
2814}
2815
2816void owl_function_punt(const char *filter, int direction)
2817{
2818  owl_filter *f;
2819  owl_list *fl;
2820  int i, j;
2821  fl=owl_global_get_puntlist(&g);
2822
2823  /* first, create the filter */
2824  owl_function_debugmsg("About to filter %s", filter);
2825  f = owl_filter_new_fromstring("punt-filter", filter);
2826  if (f == NULL) {
2827    owl_function_error("Error creating filter for zpunt");
2828    return;
2829  }
2830
2831  /* Check for an identical filter */
2832  j=owl_list_get_size(fl);
2833  for (i=0; i<j; i++) {
2834    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2835      owl_function_debugmsg("found an equivalent punt filter");
2836      /* if we're punting, then just silently bow out on this duplicate */
2837      if (direction==0) {
2838        owl_filter_delete(f);
2839        return;
2840      }
2841
2842      /* if we're unpunting, then remove this filter from the puntlist */
2843      if (direction==1) {
2844        owl_filter_delete(owl_list_get_element(fl, i));
2845        owl_list_remove_element(fl, i);
2846        owl_filter_delete(f);
2847        return;
2848      }
2849    }
2850  }
2851
2852  owl_function_debugmsg("punting");
2853  /* If we're punting, add the filter to the global punt list */
2854  if (direction==0) {
2855    owl_list_append_element(fl, f);
2856  }
2857}
2858
2859void owl_function_show_keymaps(void)
2860{
2861  owl_list l;
2862  owl_fmtext fm;
2863  const owl_keymap *km;
2864  const owl_keyhandler *kh;
2865  int i, numkm;
2866  const char *kmname;
2867
2868  kh = owl_global_get_keyhandler(&g);
2869  owl_fmtext_init_null(&fm);
2870  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2871  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2872  owl_keyhandler_get_keymap_names(kh, &l);
2873  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2874  owl_fmtext_append_normal(&fm, "\n");
2875
2876  numkm = owl_list_get_size(&l);
2877  for (i=0; i<numkm; i++) {
2878    kmname = owl_list_get_element(&l, i);
2879    km = owl_keyhandler_get_keymap(kh, kmname);
2880    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2881    owl_keymap_get_details(km, &fm);   
2882  }
2883  owl_fmtext_append_normal(&fm, "\n");
2884 
2885  owl_function_popless_fmtext(&fm);
2886  owl_keyhandler_keymap_namelist_cleanup(&l);
2887  owl_fmtext_cleanup(&fm);
2888}
2889
2890char *owl_function_keymap_summary(const char *name)
2891{
2892  const owl_keymap *km
2893    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2894  if (km) return owl_keymap_summary(km);
2895  else return(NULL);
2896}
2897
2898/* TODO: implement for real */
2899void owl_function_show_keymap(const char *name)
2900{
2901  owl_fmtext fm;
2902  const owl_keymap *km;
2903
2904  owl_fmtext_init_null(&fm);
2905  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2906  if (km) {
2907    owl_keymap_get_details(km, &fm);
2908  } else {
2909    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2910  } 
2911  owl_function_popless_fmtext(&fm);
2912  owl_fmtext_cleanup(&fm);
2913}
2914
2915void owl_function_help_for_command(const char *cmdname)
2916{
2917  owl_fmtext fm;
2918
2919  owl_fmtext_init_null(&fm);
2920  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2921  owl_function_popless_fmtext(&fm); 
2922  owl_fmtext_cleanup(&fm);
2923}
2924
2925void owl_function_search_start(const char *string, int direction)
2926{
2927  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2928   * OWL_DIRECTION_NONE */
2929  owl_regex re;
2930
2931  if (string && owl_regex_create_quoted(&re, string) == 0) {
2932    owl_global_set_search_re(&g, &re);
2933    owl_regex_cleanup(&re);
2934  } else {
2935    owl_global_set_search_re(&g, NULL);
2936  }
2937
2938  if (direction == OWL_DIRECTION_NONE)
2939    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2940  else
2941    owl_function_search_helper(0, direction);
2942}
2943
2944void owl_function_search_continue(int direction)
2945{
2946  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2947  owl_function_search_helper(1, direction);
2948}
2949
2950void owl_function_search_helper(int mode, int direction)
2951{
2952  /* move to a message that contains the string.  If direction is
2953   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2954   * OWL_DIRECTION_UPWARDS then search backwards.
2955   *
2956   * If mode==0 then it will stay on the current message if it
2957   * contains the string.
2958   */
2959
2960  const owl_view *v;
2961  int viewsize, i, curmsg, start;
2962  owl_message *m;
2963
2964  v=owl_global_get_current_view(&g);
2965  viewsize=owl_view_get_size(v);
2966  curmsg=owl_global_get_curmsg(&g);
2967 
2968  if (viewsize==0) {
2969    owl_function_error("No messages present");
2970    return;
2971  }
2972
2973  if (mode==0) {
2974    start=curmsg;
2975  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2976    start=curmsg+1;
2977  } else {
2978    start=curmsg-1;
2979  }
2980
2981  /* bounds check */
2982  if (start>=viewsize || start<0) {
2983    owl_function_error("No further matches found");
2984    return;
2985  }
2986
2987  for (i=start; i<viewsize && i>=0;) {
2988    m=owl_view_get_element(v, i);
2989    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2990      owl_global_set_curmsg(&g, i);
2991      owl_function_calculate_topmsg(direction);
2992      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2993      if (direction==OWL_DIRECTION_DOWNWARDS) {
2994        owl_global_set_direction_downwards(&g);
2995      } else {
2996        owl_global_set_direction_upwards(&g);
2997      }
2998      return;
2999    }
3000    if (direction==OWL_DIRECTION_DOWNWARDS) {
3001      i++;
3002    } else {
3003      i--;
3004    }
3005    owl_function_mask_sigint(NULL);
3006    if(owl_global_is_interrupted(&g)) {
3007      owl_global_unset_interrupted(&g);
3008      owl_function_unmask_sigint(NULL);
3009      owl_function_makemsg("Search interrupted!");
3010      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3011      return;
3012    }
3013    owl_function_unmask_sigint(NULL);
3014  }
3015  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3016  owl_function_error("No matches found");
3017}
3018
3019/* strips formatting from ztext and returns the unformatted text.
3020 * caller is responsible for freeing. */
3021char *owl_function_ztext_stylestrip(const char *zt)
3022{
3023  owl_fmtext fm;
3024  char *plaintext;
3025
3026  owl_fmtext_init_null(&fm);
3027  owl_fmtext_append_ztext(&fm, zt);
3028  plaintext = owl_fmtext_print_plain(&fm);
3029  owl_fmtext_cleanup(&fm);
3030  return(plaintext);
3031}
3032
3033/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3034void owl_function_buddylist(int aim, int zephyr, const char *filename)
3035{
3036  int i, j, idle;
3037  int interrupted = 0;
3038  owl_fmtext fm;
3039  const owl_buddylist *bl;
3040  const owl_buddy *b;
3041  char *timestr;
3042#ifdef HAVE_LIBZEPHYR
3043  int x;
3044  owl_list anyone;
3045  const char *user;
3046  char *tmp;
3047  ZLocations_t location[200];
3048  int numlocs, ret;
3049#endif
3050
3051  owl_fmtext_init_null(&fm);
3052
3053  /* AIM first */
3054  if (aim && owl_global_is_aimloggedin(&g)) {
3055    bl=owl_global_get_buddylist(&g);
3056
3057    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3058    /* we're assuming AIM for now */
3059    j=owl_buddylist_get_size(bl);
3060    for (i=0; i<j; i++) {
3061      b=owl_buddylist_get_buddy_n(bl, i);
3062      idle=owl_buddy_get_idle_time(b);
3063      if (idle!=0) {
3064        timestr=owl_util_minutes_to_timestr(idle);
3065      } else {
3066        timestr=owl_strdup("");
3067      }
3068      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3069      owl_free(timestr);
3070    }
3071  }
3072
3073#ifdef HAVE_LIBZEPHYR
3074  if (zephyr) {
3075    if(!owl_global_is_havezephyr(&g)) {
3076      owl_function_error("Zephyr currently not available.");
3077    } else {
3078      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3079      owl_list_create(&anyone);
3080      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3081      if (ret) {
3082        if (errno == ENOENT) {
3083          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3084          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3085          owl_fmtext_append_bold(  &fm, "<username>");
3086          owl_fmtext_append_normal(&fm, "'.\n");
3087        } else {
3088          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3089        }
3090      } else {
3091        j=owl_list_get_size(&anyone);
3092        for (i=0; i<j; i++) {
3093          user=owl_list_get_element(&anyone, i);
3094          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3095
3096          owl_function_mask_sigint(NULL);
3097          if(owl_global_is_interrupted(&g)) {
3098            interrupted = 1;
3099            owl_global_unset_interrupted(&g);
3100            owl_function_unmask_sigint(NULL);
3101            owl_function_makemsg("Interrupted!");
3102            break;
3103          }
3104
3105          owl_function_unmask_sigint(NULL);
3106
3107          if (ret!=ZERR_NONE) {
3108            owl_function_error("Error getting location for %s", user);
3109            continue;
3110          }
3111
3112          numlocs=200;
3113          ret=ZGetLocations(location, &numlocs);
3114          if (ret==0) {
3115            for (x=0; x<numlocs; x++) {
3116              tmp=short_zuser(user);
3117              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3118                                        tmp,
3119                                        location[x].host,
3120                                        location[x].tty,
3121                                        location[x].time);
3122              owl_free(tmp);
3123            }
3124            if (numlocs>=200) {
3125              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3126            }
3127          }
3128        }
3129      }
3130      owl_list_cleanup(&anyone, owl_free);
3131    }
3132  }
3133#endif
3134
3135  if (aim && zephyr) {
3136    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3137      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3138      if (perlblist) {
3139        owl_fmtext_append_ztext(&fm, perlblist);
3140        owl_free(perlblist);
3141      }
3142    }
3143  }
3144
3145  if(!interrupted) {
3146    owl_function_popless_fmtext(&fm);
3147  }
3148  owl_fmtext_cleanup(&fm);
3149}
3150
3151/* Dump messages in the current view to the file 'filename'. */
3152void owl_function_dump(const char *filename) 
3153{
3154  int i, j;
3155  owl_message *m;
3156  const owl_view *v;
3157  FILE *file;
3158  char *plaintext;
3159
3160  v=owl_global_get_current_view(&g);
3161
3162  /* in the future make it ask yes/no */
3163  /*
3164  ret=stat(filename, &sbuf);
3165  if (!ret) {
3166    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3167    if (!ret) return;
3168  }
3169  */
3170
3171  file=fopen(filename, "w");
3172  if (!file) {
3173    owl_function_error("Error opening file");
3174    return;
3175  }
3176
3177  j=owl_view_get_size(v);
3178  for (i=0; i<j; i++) {
3179    m=owl_view_get_element(v, i);
3180    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3181    if (plaintext) {
3182      fputs(plaintext, file);
3183      owl_free(plaintext);
3184    }
3185  }
3186  fclose(file);
3187  owl_function_makemsg("Messages dumped to %s", filename);
3188}
3189
3190void owl_function_do_newmsgproc(void)
3191{
3192  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3193    /* if there's a process out there, we need to check on it */
3194    if (owl_global_get_newmsgproc_pid(&g)) {
3195      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3196      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3197      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3198      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3199        /* it exited */
3200        owl_global_set_newmsgproc_pid(&g, 0);
3201        owl_function_debugmsg("newmsgproc exited");
3202      } else {
3203        owl_function_debugmsg("newmsgproc did not exit");
3204      }
3205    }
3206   
3207    /* if it exited, fork & exec a new one */
3208    if (owl_global_get_newmsgproc_pid(&g)==0) {
3209      pid_t i;
3210      int myargc;
3211      i=fork();
3212      if (i) {
3213        /* parent set the child's pid */
3214        owl_global_set_newmsgproc_pid(&g, i);
3215        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3216      } else {
3217        /* child exec's the program */
3218        char **parsed;
3219        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3220        if (myargc < 0) {
3221          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3222        }
3223        if (myargc <= 0) {
3224          _exit(127);
3225        }
3226        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3227        parsed[myargc] = NULL;
3228       
3229        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3230       
3231        execvp(parsed[0], parsed);
3232       
3233       
3234        /* was there an error exec'ing? */
3235        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3236                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3237        _exit(127);
3238      }
3239    }
3240  }
3241}
3242
3243/* print the xterm escape sequence to raise the window */
3244void owl_function_xterm_raise(void)
3245{
3246  printf("\033[5t");
3247}
3248
3249/* print the xterm escape sequence to deiconify the window */
3250void owl_function_xterm_deiconify(void)
3251{
3252  printf("\033[1t");
3253}
3254
3255/* Add the specified command to the startup file.  Eventually this
3256 * should be clever, and rewriting settings that will obviosly
3257 * override earlier settings with 'set' 'bindkey' and 'alias'
3258 * commands.  For now though we just remove any line that would
3259 * duplicate this one and then append this line to the end of
3260 * startupfile.
3261 */
3262void owl_function_addstartup(const char *buff)
3263{
3264  FILE *file;
3265  const char *filename;
3266
3267  filename=owl_global_get_startupfile(&g);
3268
3269  /* delete earlier copies */
3270  owl_util_file_deleteline(filename, buff, 1);
3271
3272  file=fopen(filename, "a");
3273  if (!file) {
3274    owl_function_error("Error opening startupfile for new command");
3275    return;
3276  }
3277
3278  /* add this line */
3279  fprintf(file, "%s\n", buff);
3280
3281  fclose(file);
3282}
3283
3284/* Remove the specified command from the startup file. */
3285void owl_function_delstartup(const char *buff)
3286{
3287  const char *filename;
3288  filename=owl_global_get_startupfile(&g);
3289  owl_util_file_deleteline(filename, buff, 1);
3290}
3291
3292/* Execute owl commands from the given filename.  If the filename
3293 * is NULL, use the default owl startup commands file.
3294 */
3295void owl_function_source(const char *filename)
3296{
3297  char *path;
3298  FILE *file;
3299  char *s = NULL;
3300  int fail_silent = 0;
3301
3302  if (!filename) {
3303    fail_silent = 1;
3304    path = owl_strdup(owl_global_get_startupfile(&g));
3305  } else {
3306    path = owl_util_makepath(filename);
3307  }
3308  file = fopen(path, "r");
3309  owl_free(path);
3310  if (!file) {
3311    if (!fail_silent) {
3312      owl_function_error("Error opening file: %s", filename);
3313    }
3314    return;
3315  }
3316  while (owl_getline_chomp(&s, file)) {
3317    if (s[0] == '\0' || s[0] == '#')
3318      continue;
3319    owl_function_command(s);
3320  }
3321
3322  owl_free(s);
3323  fclose(file);
3324}
3325
3326void owl_function_change_style(owl_view *v, const char *stylename)
3327{
3328  const owl_style *s;
3329
3330  s=owl_global_get_style_by_name(&g, stylename);
3331  if (!s) {
3332    owl_function_error("No style named %s", stylename);
3333    return;
3334  }
3335  owl_view_set_style(v, s);
3336  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3337  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3338  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3339}
3340
3341void owl_function_toggleoneline(void)
3342{
3343  owl_view *v;
3344  const owl_style *s;
3345
3346  v=owl_global_get_current_view(&g);
3347  s=owl_view_get_style(v);
3348
3349  if (!owl_style_matches_name(s, "oneline")) {
3350    owl_function_change_style(v, "oneline");
3351  } else {
3352    owl_function_change_style(v, owl_global_get_default_style(&g));
3353  }
3354
3355  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3356  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3357  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3358}
3359
3360void owl_function_error(const char *fmt, ...)
3361{
3362  static int in_error = 0;
3363  va_list ap;
3364  char *buff;
3365  const char *nl;
3366
3367  if (++in_error > 2) {
3368    /* More than two nested errors, bail immediately. */
3369    in_error--;
3370    return;
3371  }
3372
3373  va_start(ap, fmt);
3374  buff = g_strdup_vprintf(fmt, ap);
3375  va_end(ap);
3376
3377  owl_function_debugmsg("ERROR: %s", buff);
3378  owl_function_log_err(buff);
3379
3380  nl = strchr(buff, '\n');
3381
3382  /*
3383    Showing admin messages triggers a lot of code. If we have a
3384    recursive error call, that's the most likely candidate, so
3385    suppress the call in that case, to try to avoid infinite looping.
3386  */
3387
3388  if(nl && *(nl + 1) && in_error == 1) {
3389    /* Multiline error */
3390    owl_function_adminmsg("ERROR", buff);
3391  } else {
3392    owl_function_makemsg("[Error] %s", buff);
3393  }
3394
3395  owl_free(buff);
3396
3397  in_error--;
3398}
3399
3400void owl_function_log_err(const char *string)
3401{
3402  char *date;
3403  time_t now;
3404  char *buff;
3405
3406  now=time(NULL);
3407  date=owl_strdup(ctime(&now));
3408  date[strlen(date)-1]='\0';
3409
3410  buff = owl_sprintf("%s %s", date, string);
3411
3412  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3413
3414  owl_free(buff);
3415  owl_free(date);
3416}
3417
3418void owl_function_showerrs(void)
3419{
3420  owl_fmtext fm;
3421
3422  owl_fmtext_init_null(&fm);
3423  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3424  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3425  owl_function_popless_fmtext(&fm);
3426}
3427
3428void owl_function_makemsg(const char *fmt, ...)
3429{
3430  va_list ap;
3431  char buff[2048];
3432
3433  if (!owl_global_get_curs_msgwin(&g)) return;
3434
3435  va_start(ap, fmt);
3436  werase(owl_global_get_curs_msgwin(&g));
3437 
3438  vsnprintf(buff, 2048, fmt, ap);
3439  owl_function_debugmsg("makemsg: %s", buff);
3440  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3441  owl_global_set_needrefresh(&g);
3442  va_end(ap);
3443}
3444
3445/* get locations for everyone in .anyone.  If 'notify' is '1' then
3446 * send a pseudo login or logout message for everyone not in sync with
3447 * the global zephyr buddy list.  The list is updated regardless of
3448 * the status of 'notify'.
3449 */
3450void owl_function_zephyr_buddy_check(int notify)
3451{
3452#ifdef HAVE_LIBZEPHYR
3453  int i, j;
3454  owl_list anyone;
3455  owl_zbuddylist *zbl;
3456  GList **zaldlist;
3457  GList *zaldptr;
3458  ZAsyncLocateData_t *zald;
3459  const char *user;
3460
3461  if (!owl_global_is_havezephyr(&g)) return;
3462  owl_global_set_pseudologin_notify(&g, notify);
3463  zbl = owl_global_get_zephyr_buddylist(&g);
3464  zaldlist = owl_global_get_zaldlist(&g);
3465
3466  /* Clear the existing ZALDs first. */
3467  zaldptr = g_list_first(*zaldlist);
3468  while (zaldptr) {
3469    ZFreeALD(zaldptr->data);
3470    owl_free(zaldptr->data);
3471    zaldptr = g_list_next(zaldptr);
3472  }
3473  g_list_free(*zaldlist);
3474  *zaldlist = NULL;
3475
3476  owl_list_create(&anyone);
3477  owl_zephyr_get_anyone_list(&anyone, NULL);
3478  j = owl_list_get_size(&anyone);
3479  for (i = 0; i < j; i++) {
3480    user = owl_list_get_element(&anyone, i);
3481    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3482    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3483      *zaldlist = g_list_append(*zaldlist, zald);
3484    } else {
3485      owl_free(zald);
3486    }
3487  }
3488
3489  owl_list_cleanup(&anyone, owl_free);
3490#endif
3491}
3492
3493void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3494{
3495  owl_fmtext fm;
3496  int i, j;
3497
3498  owl_fmtext_init_null(&fm);
3499  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3500  owl_fmtext_append_normal(&fm, email);
3501  owl_fmtext_append_normal(&fm, ":\n");
3502
3503  j=owl_list_get_size(namelist);
3504  for (i=0; i<j; i++) {
3505    owl_fmtext_append_normal(&fm, "  ");
3506    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3507    owl_fmtext_append_normal(&fm, "\n");
3508  }
3509
3510  owl_function_popless_fmtext(&fm);
3511  owl_fmtext_cleanup(&fm);
3512}
3513
3514int owl_function_get_color_count(void)
3515{
3516     return COLORS;
3517}
3518
3519void owl_function_mask_sigint(sigset_t *oldmask) {
3520  sigset_t intr;
3521
3522  sigemptyset(&intr);
3523  sigaddset(&intr, SIGINT);
3524  sigprocmask(SIG_BLOCK, &intr, oldmask);
3525}
3526
3527void owl_function_unmask_sigint(sigset_t *oldmask) {
3528  sigset_t intr;
3529
3530  sigemptyset(&intr);
3531  sigaddset(&intr, SIGINT);
3532  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3533}
3534
3535void _owl_function_mark_message(const owl_message *m)
3536{
3537  if (m) {
3538    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3539    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3540  }
3541}
3542
3543void owl_function_mark_message(void)
3544{
3545  const owl_message *m;
3546  const owl_view *v;
3547
3548  v=owl_global_get_current_view(&g);
3549
3550  /* bail if there's no current message */
3551  if (owl_view_get_size(v) < 1) {
3552    owl_function_error("No messages to mark");
3553    return;
3554  }
3555
3556  /* mark the message */
3557  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3558  _owl_function_mark_message(m);
3559  owl_function_makemsg("Mark set");
3560}
3561
3562void owl_function_swap_cur_marked(void)
3563{
3564  int marked_id;
3565  const owl_message *m;
3566  const owl_view *v;
3567
3568  marked_id=owl_global_get_markedmsgid(&g);
3569  if (marked_id == -1) {
3570    owl_function_error("Mark not set.");
3571    return;
3572  }
3573
3574  v=owl_global_get_current_view(&g);
3575  /* bail if there's no current message */
3576  if (owl_view_get_size(v) < 1) {
3577    return;
3578  }
3579
3580  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3581  _owl_function_mark_message(m);
3582  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3583  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3584  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3585  owl_global_set_direction_downwards(&g);
3586}
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