source: functions.c @ 98d296d

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Last change on this file since 98d296d was 58d47ca, checked in by Nelson Elhage <nelhage@mit.edu>, 11 years ago
Make owl_global_set_typwin-active return the new editwin. This makes the code to set up a new edit window slightly more compact, and removes references to the single global editwin.
  • Property mode set to 100644
File size: 95.2 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15char *owl_function_command(const char *cmdbuff)
16{
17  owl_function_debugmsg("executing command: %s", cmdbuff);
18  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
19                             owl_global_get_context(&g), cmdbuff);
20}
21
22char *owl_function_command_argv(const char *const *argv, int argc)
23{
24  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
25                                  owl_global_get_context(&g),
26                                  argv, argc);
27}
28
29void owl_function_command_norv(const char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(const char *alias_from, const char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41const owl_cmd *owl_function_get_cmd(const char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands(void)
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_cleanup(&l);
59  owl_fmtext_cleanup(&fm);
60}
61
62void owl_function_show_view(const char *viewname)
63{
64  const owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_cleanup(&fm);
78}
79
80void owl_function_show_styles(void) {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_cleanup(&l, owl_free);
91  owl_fmtext_cleanup(&fm);
92}
93
94char *owl_function_style_describe(const char *name) {
95  const char *desc;
96  char *s;
97  const owl_style *style;
98  style = owl_global_get_style_by_name(&g, name);
99  if (style) {
100    desc = owl_style_get_description(style);
101  } else {
102    desc = "???";
103  }
104  s = owl_sprintf("%-20s - %s%s", name, 
105                  0==owl_style_validate(style)?"":"[INVALID] ",
106                  desc);
107  return s;
108}
109
110char *owl_function_cmd_describe(const char *name)
111{
112  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
113  if (cmd) return owl_cmd_describe(cmd);
114  else return(NULL);
115}
116
117void owl_function_show_command(const char *name)
118{
119  owl_function_help_for_command(name);
120}
121
122void owl_function_show_license(void)
123{
124  const char *text;
125
126  text=""
127    "barnowl version " OWL_VERSION_STRING "\n"
128    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
129    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
130    "\n"
131    "Redistribution and use in source and binary forms, with or without\n"
132    "modification, are permitted provided that the following conditions are\n"
133    "met:\n"
134    "\n"
135    "   * Redistributions of source code must retain the above copyright\n"
136    "     notice, this list of conditions and the following disclaimer.\n"
137    "\n"
138    "   * Redistributions in binary form must reproduce the above copyright\n"
139    "     notice, this list of conditions and the following disclaimer in\n"
140    "     the documentation and/or other materials provided with the\n"
141    "     distribution.\n"
142    "\n"
143    "   * Redistributions in any form must be accompanied by information on\n"
144    "     how to obtain complete source code for the Owl software and any\n"
145    "     accompanying software that uses the Owl software. The source code\n"
146    "     must either be included in the distribution or be available for no\n"
147    "     more than the cost of distribution plus a nominal fee, and must be\n"
148    "     freely redistributable under reasonable conditions. For an\n"
149    "     executable file, complete source code means the source code for\n"
150    "     all modules it contains. It does not include source code for\n"
151    "     modules or files that typically accompany the major components of\n"
152    "     the operating system on which the executable file runs.\n"
153    "\n"
154    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
155    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
156    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
157    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
158    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
159    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
160    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
161    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
162    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
163    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
164    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
165  owl_function_popless_text(text);
166}
167
168void owl_function_show_quickstart(void)
169{
170    const char *message =
171    "Move between messages with the arrow keys, and press 'r' to reply.\n"
172    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
173#ifdef HAVE_LIBZEPHYR
174    "@b(Zephyr:)\n"
175    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
176    "press 'z' and then type the username. To subscribe to a class, type\n"
177    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
178#endif
179    "@b(AIM:)\n"
180    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
181    "or 'a' and then the screen name, to send someone a message.\n\n"
182    ;
183
184    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
185        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
186        if (perlquickstart) {
187            char *result = owl_sprintf("%s%s", message, perlquickstart);
188            owl_function_adminmsg("BarnOwl Quickstart", result);
189            owl_free(result);
190            owl_free(perlquickstart);
191            return;
192        }
193    }
194    owl_function_adminmsg("BarnOwl Quickstart", message);
195}
196
197
198/* Create an admin message, append it to the global list of messages
199 * and redisplay if necessary.
200 */
201void owl_function_adminmsg(const char *header, const char *body)
202{
203  owl_message *m;
204
205  m=owl_malloc(sizeof(owl_message));
206  owl_message_create_admin(m, header, body);
207 
208  /* add it to the global list and current view */
209  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
210  owl_view_consider_message(owl_global_get_current_view(&g), m);
211
212  /* do followlast if necessary */
213  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
214
215  /* redisplay etc. */
216  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
217  owl_global_set_needrefresh(&g);
218}
219
220/* Create an outgoing zephyr message and return a pointer to it.  Does
221 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
222 * that.
223 */
224owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
225{
226  owl_message *m;
227  owl_zwrite zw;
228
229  owl_zwrite_create_from_line(&zw, zwriteline);
230  owl_zwrite_set_zsig(&zw, zsig);
231
232  /* create the message */
233  m=owl_malloc(sizeof(owl_message));
234 
235  owl_message_create_from_zwrite(m, &zw, body);
236  owl_zwrite_cleanup(&zw);
237
238  return(m);
239}
240
241/* Create an outgoing AIM message, returns a pointer to the created
242 * message or NULL if we're not logged into AIM (and thus unable to
243 * create the message).  Does not put it on the global queue.  Use
244 * owl_global_messagequeue_addmsg() for that .
245 */
246owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
247{
248  owl_message *m;
249
250  /* error if we're not logged into aim */
251  if (!owl_global_is_aimloggedin(&g)) return(NULL);
252 
253  m=owl_malloc(sizeof(owl_message));
254  owl_message_create_aim(m,
255                         owl_global_get_aim_screenname(&g),
256                         to,
257                         body,
258                         OWL_MESSAGE_DIRECTION_OUT,
259                         0);
260  return(m);
261}
262
263/* Create an outgoing loopback message and return a pointer to it.
264 * Does not append it to the global queue, use
265 * owl_global_messagequeue_addmsg() for that.
266 */
267owl_message *owl_function_make_outgoing_loopback(const char *body)
268{
269  owl_message *m;
270
271  /* create the message */
272  m=owl_malloc(sizeof(owl_message));
273  owl_message_create_loopback(m, body);
274  owl_message_set_direction_out(m);
275
276  return(m);
277}
278
279void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
280{
281  owl_editwin *e;
282  char *s;
283
284  /* create and setup the editwin */
285  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
286                                   owl_global_get_msg_history(&g));
287  owl_editwin_set_dotsend(e);
288  s = owl_sprintf("----> %s\n", line);
289  owl_editwin_set_locktext(e, s);
290  owl_free(s);
291
292  owl_editwin_set_cbdata(e, data, cleanup);
293  owl_editwin_set_callback(e, callback);
294  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
295}
296
297static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
298{
299
300  if (!owl_global_get_lockout_ctrld(&g))
301    owl_function_makemsg("Type your %s below.  "
302                         "End with ^D or a dot on a line by itself."
303                         "  ^C will quit.", noun);
304  else
305    owl_function_makemsg("Type your %s below.  "
306                         "End with a dot on a line by itself.  ^C will quit.",
307                         noun);
308
309  owl_function_start_edit_win(line, callback,
310                              owl_strdup(line),
311                              owl_free);
312}
313
314void owl_function_zwrite_setup(const char *line)
315{
316  owl_zwrite z;
317  int ret;
318
319  /* check the arguments */
320  ret=owl_zwrite_create_from_line(&z, line);
321  if (ret) {
322    owl_function_error("Error in zwrite arguments");
323    owl_zwrite_cleanup(&z);
324    return;
325  }
326
327  /* send a ping if necessary */
328  if (owl_global_is_txping(&g)) {
329    owl_zwrite_send_ping(&z);
330  }
331  owl_zwrite_cleanup(&z);
332
333  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
334}
335
336void owl_function_aimwrite_setup(const char *line)
337{
338  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
339}
340
341void owl_function_loopwrite_setup(void)
342{
343  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
344}
345
346void owl_callback_zwrite(owl_editwin *e) {
347  char *command = owl_editwin_get_cbdata(e);
348  owl_function_zwrite(command,
349                      owl_editwin_get_text(e));
350}
351
352/* send, log and display an outgoing zephyr.  If 'msg' is NULL
353 * the message is expected to be set from the zwrite line itself
354 */
355void owl_function_zwrite(const char *line, const char *msg)
356{
357  owl_zwrite z;
358  const char *mymsg;
359  owl_message *m;
360
361  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
362    owl_function_zcrypt(line, msg);
363    return;
364  }
365
366  /* create the zwrite and send the message */
367  owl_zwrite_create_from_line(&z, line);
368  owl_zwrite_populate_zsig(&z);
369  if (msg) {
370    owl_zwrite_set_message(&z, msg);
371  }
372  owl_zwrite_send_message(&z);
373  owl_function_makemsg("Waiting for ack...");
374
375  /* If it's personal */
376  if (owl_zwrite_is_personal(&z)) {
377    /* create the outgoing message */
378    mymsg=owl_zwrite_get_message(&z);
379    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
380
381    if (m) {
382      owl_global_messagequeue_addmsg(&g, m);
383    } else {
384      owl_function_error("Could not create outgoing zephyr message");
385    }
386  }
387
388  /* free the zwrite */
389  owl_zwrite_cleanup(&z);
390}
391
392/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
393 * the message is expected to be set from the zwrite line itself
394 */
395void owl_function_zcrypt(const char *line, const char *msg)
396{
397  owl_zwrite z;
398  const char *mymsg;
399  char *cryptmsg;
400  owl_message *m;
401
402  /* create the zwrite and send the message */
403  owl_zwrite_create_from_line(&z, line);
404  owl_zwrite_populate_zsig(&z);
405  if (msg) {
406    owl_zwrite_set_message(&z, msg);
407  }
408
409  mymsg=owl_zwrite_get_message(&z);
410#ifdef OWL_ENABLE_ZCRYPT
411  cryptmsg = owl_zcrypt_encrypt(mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
412  if (!cryptmsg) {
413    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
414    owl_function_beep();
415    owl_zwrite_cleanup(&z);
416    return;
417  }
418#else
419  cryptmsg=owl_strdup(mymsg);
420#endif
421
422  owl_zwrite_set_message(&z, cryptmsg);
423  owl_zwrite_set_opcode(&z, "crypt");
424   
425  owl_zwrite_send_message(&z);
426  owl_function_makemsg("Waiting for ack...");
427
428  /* If it's personal */
429  if (owl_zwrite_is_personal(&z)) {
430    /* create the outgoing message */
431    mymsg=owl_zwrite_get_message(&z);
432    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
433    if (m) {
434      owl_global_messagequeue_addmsg(&g, m);
435    } else {
436      owl_function_error("Could not create outgoing zephyr message");
437    }
438  }
439
440  /* free the zwrite */
441  owl_free(cryptmsg);
442  owl_zwrite_cleanup(&z);
443}
444
445void owl_callback_aimwrite(owl_editwin *e) {
446  char *command = owl_editwin_get_cbdata(e);
447  owl_function_aimwrite(command,
448                        owl_editwin_get_text(e));
449}
450
451void owl_function_aimwrite(const char *line, const char *msg)
452{
453  int ret;
454  const char *to;
455  char *format_msg;
456  owl_message *m;
457
458  to = line + 9;
459
460  /* make a formatted copy of the message */
461  format_msg=owl_strdup(msg);
462  owl_text_wordunwrap(format_msg);
463 
464  /* send the message */
465  ret=owl_aim_send_im(to, format_msg);
466  if (!ret) {
467    owl_function_makemsg("AIM message sent.");
468  } else {
469    owl_function_error("Could not send AIM message.");
470  }
471
472  /* create the outgoing message */
473  m=owl_function_make_outgoing_aim(msg, to);
474
475  if (m) {
476    owl_global_messagequeue_addmsg(&g, m);
477  } else {
478    owl_function_error("Could not create outgoing AIM message");
479  }
480
481  owl_free(format_msg);
482}
483
484void owl_function_send_aimawymsg(const char *to, const char *msg)
485{
486  int ret;
487  char *format_msg;
488  owl_message *m;
489
490  /* make a formatted copy of the message */
491  format_msg=owl_strdup(msg);
492  owl_text_wordunwrap(format_msg);
493 
494  /* send the message */
495  ret=owl_aim_send_awaymsg(to, format_msg);
496  if (!ret) {
497    /* owl_function_makemsg("AIM message sent."); */
498  } else {
499    owl_function_error("Could not send AIM message.");
500  }
501
502  /* create the message */
503  m=owl_function_make_outgoing_aim(msg, to);
504  if (m) {
505    owl_global_messagequeue_addmsg(&g, m);
506  } else {
507    owl_function_error("Could not create AIM message");
508  }
509  owl_free(format_msg);
510}
511
512void owl_callback_loopwrite(owl_editwin *e) {
513  owl_function_loopwrite(owl_editwin_get_text(e));
514}
515
516void owl_function_loopwrite(const char *msg)
517{
518  owl_message *min, *mout;
519
520  /* create a message and put it on the message queue.  This simulates
521   * an incoming message */
522  min=owl_malloc(sizeof(owl_message));
523  mout=owl_function_make_outgoing_loopback(msg);
524
525  if (owl_global_is_displayoutgoing(&g)) {
526    owl_global_messagequeue_addmsg(&g, mout);
527  } else {
528    owl_message_delete(mout);
529  }
530
531  owl_message_create_loopback(min, msg);
532  owl_message_set_direction_in(min);
533  owl_global_messagequeue_addmsg(&g, min);
534
535  /* fake a makemsg */
536  owl_function_makemsg("loopback message sent");
537}
538
539/* If filter is non-null, looks for the next message matching
540 * that filter.  If skip_deleted, skips any deleted messages.
541 * If last_if_none, will stop at the last message in the view
542 * if no matching messages are found.  */
543void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
544{
545  int curmsg, i, viewsize, found;
546  const owl_view *v;
547  const owl_filter *f = NULL;
548  const owl_message *m;
549
550  v=owl_global_get_current_view(&g);
551
552  if (filter) {
553    f=owl_global_get_filter(&g, filter);
554    if (!f) {
555      owl_function_error("No %s filter defined", filter);
556      return;
557    }
558  }
559
560  curmsg=owl_global_get_curmsg(&g);
561  viewsize=owl_view_get_size(v);
562  found=0;
563
564  /* just check to make sure we're in bounds... */
565  if (curmsg>viewsize-1) curmsg=viewsize-1;
566  if (curmsg<0) curmsg=0;
567
568  for (i=curmsg+1; i<viewsize; i++) {
569    m=owl_view_get_element(v, i);
570    if (skip_deleted && owl_message_is_delete(m)) continue;
571    if (f && !owl_filter_message_match(f, m)) continue;
572    found = 1;
573    break;
574  }
575
576  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
577  if (i<0) i=0;
578
579  if (!found) {
580    owl_function_makemsg("already at last%s message%s%s%s",
581                         skip_deleted?" non-deleted":"",
582                         filter?" in ":"", filter?filter:"",
583                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
584                         ", press Enter to scroll" : "");
585    /* if (!skip_deleted) owl_function_beep(); */
586  }
587
588  if (last_if_none || found) {
589    owl_global_set_curmsg(&g, i);
590    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
591    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
592    owl_global_set_direction_downwards(&g);
593  }
594}
595
596void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
597{
598  int curmsg, i, found;
599  const owl_view *v;
600  const owl_filter *f = NULL;
601  const owl_message *m;
602
603  v=owl_global_get_current_view(&g);
604
605  if (filter) {
606    f=owl_global_get_filter(&g, filter);
607    if (!f) {
608      owl_function_error("No %s filter defined", filter);
609      return;
610    }
611  }
612
613  curmsg=owl_global_get_curmsg(&g);
614  found=0;
615
616  /* just check to make sure we're in bounds... */
617  if (curmsg<0) curmsg=0;
618
619  for (i=curmsg-1; i>=0; i--) {
620    m=owl_view_get_element(v, i);
621    if (skip_deleted && owl_message_is_delete(m)) continue;
622    if (f && !owl_filter_message_match(f, m)) continue;
623    found = 1;
624    break;
625  }
626
627  if (i<0) i=0;
628
629  if (!found) {
630    owl_function_makemsg("already at first%s message%s%s",
631                         skip_deleted?" non-deleted":"",
632                         filter?" in ":"", filter?filter:"");
633    /* if (!skip_deleted) owl_function_beep(); */
634  }
635
636  if (first_if_none || found) {
637    owl_global_set_curmsg(&g, i);
638    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
639    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
640    owl_global_set_direction_upwards(&g);
641  }
642}
643
644void owl_function_nextmsg(void)
645{
646  owl_function_nextmsg_full(NULL, 0, 1);
647}
648
649void owl_function_prevmsg(void)
650{
651  owl_function_prevmsg_full(NULL, 0, 1);
652}
653
654void owl_function_nextmsg_notdeleted(void)
655{
656  owl_function_nextmsg_full(NULL, 1, 1);
657}
658
659void owl_function_prevmsg_notdeleted(void)
660{
661  owl_function_prevmsg_full(NULL, 1, 1);
662}
663
664/* if move_after is 1, moves after the delete */
665void owl_function_deletecur(int move_after)
666{
667  int curmsg;
668  owl_view *v;
669
670  v=owl_global_get_current_view(&g);
671
672  /* bail if there's no current message */
673  if (owl_view_get_size(v) < 1) {
674    owl_function_error("No current message to delete");
675    return;
676  }
677
678  /* mark the message for deletion */
679  curmsg=owl_global_get_curmsg(&g);
680  owl_view_delete_element(v, curmsg);
681
682  if (move_after) {
683    /* move the poiner in the appropriate direction
684     * to the next undeleted msg */
685    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
686      owl_function_prevmsg_notdeleted();
687    } else {
688      owl_function_nextmsg_notdeleted();
689    }
690  }
691}
692
693void owl_function_undeletecur(int move_after)
694{
695  int curmsg;
696  owl_view *v;
697
698  v=owl_global_get_current_view(&g);
699 
700  if (owl_view_get_size(v) < 1) {
701    owl_function_error("No current message to undelete");
702    return;
703  }
704  curmsg=owl_global_get_curmsg(&g);
705
706  owl_view_undelete_element(v, curmsg);
707
708  if (move_after) {
709    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
710      if (curmsg>0) {
711        owl_function_prevmsg();
712      } else {
713        owl_function_nextmsg();
714      }
715    } else {
716      owl_function_nextmsg();
717    }
718  }
719
720  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
721}
722
723void owl_function_expunge(void)
724{
725  int curmsg;
726  const owl_message *m;
727  owl_messagelist *ml;
728  owl_view *v;
729  int lastmsgid=0;
730
731  curmsg=owl_global_get_curmsg(&g);
732  v=owl_global_get_current_view(&g);
733  ml=owl_global_get_msglist(&g);
734
735  m=owl_view_get_element(v, curmsg);
736  if (m) lastmsgid = owl_message_get_id(m);
737
738  /* expunge the message list */
739  owl_messagelist_expunge(ml);
740
741  /* update all views (we only have one right now) */
742  owl_view_recalculate(v);
743
744  /* find where the new position should be
745     (as close as possible to where we last where) */
746  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
747  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
748  if (curmsg<0) curmsg = 0;
749  owl_global_set_curmsg(&g, curmsg);
750  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
751  /* if there are no messages set the direction to down in case we
752     delete everything upwards */
753  owl_global_set_direction_downwards(&g);
754 
755  owl_function_makemsg("Messages expunged");
756  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
757}
758
759void owl_function_firstmsg(void)
760{
761  owl_global_set_curmsg(&g, 0);
762  owl_global_set_topmsg(&g, 0);
763  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
764  owl_global_set_direction_downwards(&g);
765}
766
767void owl_function_lastmsg_noredisplay(void)
768{
769  int oldcurmsg, curmsg;
770  const owl_view *v;
771
772  v=owl_global_get_current_view(&g);
773  oldcurmsg=owl_global_get_curmsg(&g);
774  curmsg=owl_view_get_size(v)-1; 
775  if (curmsg<0) curmsg=0;
776  owl_global_set_curmsg(&g, curmsg);
777  if (oldcurmsg < curmsg) {
778    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
779  } else if (curmsg<owl_view_get_size(v)) {
780    /* If already at the end, blank the screen and move curmsg
781     * past the end of the messages. */
782    owl_global_set_topmsg(&g, curmsg+1);
783    owl_global_set_curmsg(&g, curmsg+1);
784  } 
785  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
786  owl_global_set_direction_downwards(&g);
787}
788
789void owl_function_lastmsg(void)
790{
791  owl_function_lastmsg_noredisplay();
792  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
793}
794
795void owl_function_shift_right(void)
796{
797  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
798  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
799  owl_global_set_needrefresh(&g);
800}
801
802void owl_function_shift_left(void)
803{
804  int shift;
805
806  shift=owl_global_get_rightshift(&g);
807  if (shift > 0) {
808    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
809    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
810    owl_global_set_needrefresh(&g);
811  } else {
812    owl_function_beep();
813    owl_function_makemsg("Already full left");
814  }
815}
816
817void owl_function_unsuball(void)
818{
819  unsuball();
820  owl_function_makemsg("Unsubscribed from all messages.");
821}
822
823
824/* Load zephyr subscriptions from the named 'file' and load zephyr's
825 * default subscriptions as well.  An error message is printed if
826 * 'file' can't be opened or if zephyr reports an error in
827 * subscribing.
828 *
829 * If 'file' is NULL, this look for the default filename
830 * $HOME/.zephyr.subs.  If the file can not be opened in this case
831 * only, no error message is printed.
832 */
833void owl_function_loadsubs(const char *file)
834{
835  int ret, ret2;
836  const char *foo;
837  char *path;
838
839  if (file==NULL) {
840    ret=owl_zephyr_loadsubs(NULL, 0);
841  } else {
842    path = owl_util_makepath(file);
843    ret=owl_zephyr_loadsubs(path, 1);
844    owl_free(path);
845  }
846
847  /* for backwards compatibility for now */
848  ret2=owl_zephyr_loaddefaultsubs();
849
850  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
851
852  foo=file?file:"file";
853  if (ret==0 && ret2==0) {
854    if (!file) {
855      owl_function_makemsg("Subscribed to messages.");
856    } else {
857      owl_function_makemsg("Subscribed to messages from %s", file);
858    }
859  } else if (ret==-1) {
860    owl_function_error("Could not read %s", foo);
861  } else {
862    owl_function_error("Error subscribing to messages");
863  }
864}
865
866void owl_function_loadloginsubs(const char *file)
867{
868  int ret;
869
870  ret=owl_zephyr_loadloginsubs(file);
871
872  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
873  if (ret==0) {
874  } else if (ret==-1) {
875    owl_function_error("Could not open file for login subscriptions.");
876  } else {
877    owl_function_error("Error subscribing to login messages from file.");
878  }
879}
880
881void owl_callback_aimlogin(owl_editwin *e) {
882  char *user = owl_editwin_get_cbdata(e);
883  owl_function_aimlogin(user,
884                        owl_editwin_get_text(e));
885}
886
887void owl_function_aimlogin(const char *user, const char *passwd) {
888  int ret;
889
890  /* clear the buddylist */
891  owl_buddylist_clear(owl_global_get_buddylist(&g));
892
893  /* try to login */
894  ret=owl_aim_login(user, passwd);
895  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
896}
897
898void owl_function_suspend(void)
899{
900  endwin();
901  printf("\n");
902  kill(getpid(), SIGSTOP);
903
904  /* resize to reinitialize all the windows when we come back */
905  owl_command_resize();
906}
907
908void owl_function_zaway_toggle(void)
909{
910  if (!owl_global_is_zaway(&g)) {
911    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
912    owl_function_zaway_on();
913  } else {
914    owl_function_zaway_off();
915  }
916}
917
918void owl_function_zaway_on(void)
919{
920  owl_global_set_zaway_on(&g);
921  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
922}
923
924void owl_function_zaway_off(void)
925{
926  owl_global_set_zaway_off(&g);
927  owl_function_makemsg("zaway off");
928}
929
930void owl_function_aaway_toggle(void)
931{
932  if (!owl_global_is_aaway(&g)) {
933    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
934    owl_function_aaway_on();
935  } else {
936    owl_function_aaway_off();
937  }
938}
939
940void owl_function_aaway_on(void)
941{
942  owl_global_set_aaway_on(&g);
943  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
944  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
945}
946
947void owl_function_aaway_off(void)
948{
949  owl_global_set_aaway_off(&g);
950  /* owl_aim_set_awaymsg(""); */
951  owl_function_makemsg("AIM away off");
952}
953
954void owl_function_quit(void)
955{
956  char *ret;
957 
958  /* zlog out if we need to */
959  if (owl_global_is_havezephyr(&g) &&
960      owl_global_is_shutdownlogout(&g)) {
961    owl_zephyr_zlog_out();
962  }
963
964  /* execute the commands in shutdown */
965  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
966  if (ret) owl_free(ret);
967
968  /* signal our child process, if any */
969  if (owl_global_get_newmsgproc_pid(&g)) {
970    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
971  }
972
973  /* Quit zephyr */
974  owl_zephyr_shutdown();
975 
976  /* Quit AIM */
977  if (owl_global_is_aimloggedin(&g)) {
978    owl_aim_logout();
979  }
980
981  /* done with curses */
982  endwin();
983
984  /* restore terminal settings */
985  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
986
987  owl_function_debugmsg("Quitting Owl");
988  exit(0);
989}
990
991void owl_function_calculate_topmsg(int direction)
992{
993  int recwinlines, topmsg, curmsg;
994  const owl_view *v;
995
996  v=owl_global_get_current_view(&g);
997  curmsg=owl_global_get_curmsg(&g);
998  topmsg=owl_global_get_topmsg(&g);
999  recwinlines=owl_global_get_recwin_lines(&g);
1000
1001  /*
1002  if (owl_view_get_size(v) < 1) {
1003    return;
1004  }
1005  */
1006
1007  switch (owl_global_get_scrollmode(&g)) {
1008  case OWL_SCROLLMODE_TOP:
1009    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1010    break;
1011  case OWL_SCROLLMODE_NEARTOP:
1012    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1013    break;
1014  case OWL_SCROLLMODE_CENTER:
1015    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1016    break;
1017  case OWL_SCROLLMODE_PAGED:
1018    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1019    break;
1020  case OWL_SCROLLMODE_PAGEDCENTER:
1021    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1022    break;
1023  case OWL_SCROLLMODE_NORMAL:
1024  default:
1025    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1026  }
1027  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1028  owl_global_set_topmsg(&g, topmsg);
1029}
1030
1031/* Returns what the new topmsg should be. 
1032 * Passed the last direction of movement,
1033 * the current view,
1034 * the current message number in the view,
1035 * the top message currently being displayed,
1036 * and the number of lines in the recwin.
1037 */
1038int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1039{
1040  return(curmsg);
1041}
1042
1043int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1044{
1045  if (curmsg>0 
1046      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1047          <  recwinlines/2)) {
1048    return(curmsg-1);
1049  } else {
1050    return(curmsg);
1051  }
1052}
1053 
1054int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1055{
1056  int i, last, lines;
1057
1058  last = curmsg;
1059  lines = 0;
1060  for (i=curmsg-1; i>=0; i--) {
1061    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1062    if (lines > recwinlines/2) break;
1063    last = i;
1064  }
1065  return(last);
1066}
1067 
1068int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1069{
1070  int i, last, lines, savey;
1071 
1072  /* If we're off the top of the screen, scroll up such that the
1073   * curmsg is near the botton of the screen. */
1074  if (curmsg < topmsg) {
1075    last = curmsg;
1076    lines = 0;
1077    for (i=curmsg; i>=0; i--) {
1078      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1079      if (lines > recwinlines) break;
1080    last = i;
1081    }
1082    if (center_on_page) {
1083      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1084    } else {
1085      return(last);
1086    }
1087  }
1088
1089  /* Find number of lines from top to bottom of curmsg (store in savey) */
1090  savey=0;
1091  for (i=topmsg; i<=curmsg; i++) {
1092    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1093  }
1094
1095  /* if we're off the bottom of the screen, scroll down */
1096  if (savey > recwinlines) {
1097    if (center_on_page) {
1098      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1099    } else {
1100      return(curmsg);
1101    }
1102  }
1103
1104  /* else just stay as we are... */
1105  return(topmsg);
1106}
1107
1108int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1109{
1110  int savey, i, foo, y;
1111
1112  if (curmsg<0) return(topmsg);
1113   
1114  /* If we're off the top of the screen then center */
1115  if (curmsg<topmsg) {
1116    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1117  }
1118
1119  /* If curmsg is so far past topmsg that there are more messages than
1120     lines, skip the line counting that follows because we're
1121     certainly off screen.  */
1122  savey=curmsg-topmsg;
1123  if (savey <= recwinlines) {
1124    /* Find number of lines from top to bottom of curmsg (store in savey) */
1125    savey = 0;
1126    for (i=topmsg; i<=curmsg; i++) {
1127      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1128    }
1129  }
1130
1131  /* If we're off the bottom of the screen, set the topmsg to curmsg
1132   * and scroll upwards */
1133  if (savey > recwinlines) {
1134    topmsg=curmsg;
1135    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1136    direction=OWL_DIRECTION_UPWARDS;
1137  }
1138 
1139  /* If our bottom line is less than 1/4 down the screen then scroll up */
1140  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1141    if (savey < (recwinlines / 4)) {
1142      y=0;
1143      for (i=curmsg; i>=0; i--) {
1144        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1145        /* will we run the curmsg off the screen? */
1146        if ((foo+y) >= recwinlines) {
1147          i++;
1148          if (i>curmsg) i=curmsg;
1149          break;
1150        }
1151        /* have saved 1/2 the screen space? */
1152        y+=foo;
1153        if (y > (recwinlines / 2)) break;
1154      }
1155      if (i<0) i=0;
1156      return(i);
1157    }
1158  }
1159
1160  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1161    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1162    if (savey > ((recwinlines * 3)/4)) {
1163      y=0;
1164      /* count lines from the top until we can save 1/2 the screen size */
1165      for (i=topmsg; i<curmsg; i++) {
1166        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1167        if (y > (recwinlines / 2)) break;
1168      }
1169      if (i==curmsg) {
1170        i--;
1171      }
1172      return(i+1);
1173    }
1174  }
1175
1176  return(topmsg);
1177}
1178
1179void owl_function_resize(void)
1180{
1181  owl_global_set_resize_pending(&g);
1182}
1183
1184void owl_function_debugmsg(const char *fmt, ...)
1185{
1186  FILE *file;
1187  time_t now;
1188  va_list ap;
1189  va_start(ap, fmt);
1190
1191  if (!owl_global_is_debug_fast(&g))
1192    return;
1193
1194  file = fopen(owl_global_get_debug_file(&g), "a");
1195  if (!file) /* XXX should report this */
1196    return;
1197
1198  now = time(NULL);
1199
1200  fprintf(file, "[%d -  %.24s - %lds]: ",
1201          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1202  vfprintf(file, fmt, ap);
1203  putc('\n', file);
1204  fclose(file);
1205
1206  va_end(ap);
1207}
1208
1209void owl_function_beep(void)
1210{
1211  if (owl_global_is_bell(&g)) {
1212    beep();
1213    owl_global_set_needrefresh(&g); /* do we really need this? */
1214  }
1215}
1216
1217int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1218{
1219  int ret;
1220
1221  ret=owl_zephyr_sub(class, inst, recip);
1222  if (ret) {
1223    owl_function_error("Error subscribing.");
1224  } else {
1225    owl_function_makemsg("Subscribed.");
1226  }
1227  return(ret);
1228}
1229
1230void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1231{
1232  int ret;
1233
1234  ret=owl_zephyr_unsub(class, inst, recip);
1235  if (ret) {
1236    owl_function_error("Error subscribing.");
1237  } else {
1238    owl_function_makemsg("Unsubscribed.");
1239  }
1240}
1241
1242void owl_function_set_cursor(WINDOW *win)
1243{
1244  /* Be careful that this window is actually empty, otherwise panels get confused */
1245  if (is_wintouched(win)) {
1246    owl_function_debugmsg("Warning: owl_function_set_cursor called on dirty window");
1247    update_panels();
1248  }
1249  wnoutrefresh(win);
1250}
1251
1252void owl_function_full_redisplay(void)
1253{
1254  redrawwin(owl_global_get_curs_recwin(&g));
1255  redrawwin(owl_global_get_curs_sepwin(&g));
1256  /* Work around curses segfualts with windows off the screen */
1257  if (g.lines >= owl_global_get_typwin_lines(&g)+2)
1258      redrawwin(owl_global_get_curs_typwin(&g));
1259  if (g.lines >= 2)
1260      redrawwin(owl_global_get_curs_msgwin(&g));
1261
1262  sepbar("");
1263  owl_function_makemsg("");
1264
1265  owl_global_set_needrefresh(&g);
1266}
1267
1268void owl_function_popless_text(const char *text)
1269{
1270  owl_popwin *pw;
1271  owl_viewwin *v;
1272
1273  pw=owl_global_get_popwin(&g);
1274  v=owl_global_get_viewwin(&g);
1275
1276  owl_popwin_up(pw);
1277  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1278  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1279                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1280                        text);
1281  owl_viewwin_redisplay(v);
1282  owl_global_set_needrefresh(&g);
1283}
1284
1285void owl_function_popless_fmtext(const owl_fmtext *fm)
1286{
1287  owl_popwin *pw;
1288  owl_viewwin *v;
1289
1290  pw=owl_global_get_popwin(&g);
1291  v=owl_global_get_viewwin(&g);
1292
1293  owl_popwin_up(pw);
1294  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1295  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1296                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1297                   fm);
1298  owl_viewwin_redisplay(v);
1299  owl_global_set_needrefresh(&g);
1300}
1301
1302void owl_function_popless_file(const char *filename)
1303{
1304  owl_fmtext fm;
1305  FILE *file;
1306  char *s = NULL;
1307
1308  file=fopen(filename, "r");
1309  if (!file) {
1310    owl_function_error("Could not open file: %s", filename);
1311    return;
1312  }
1313
1314  owl_fmtext_init_null(&fm);
1315  while (owl_getline(&s, file))
1316    owl_fmtext_append_normal(&fm, s);
1317  owl_free(s);
1318
1319  owl_function_popless_fmtext(&fm);
1320  owl_fmtext_cleanup(&fm);
1321  fclose(file);
1322}
1323
1324void owl_function_about(void)
1325{
1326  owl_function_popless_text(
1327    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1328    "barnowl is a fork of the Owl zephyr client, written and\n"
1329    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1330    "Massachusetts Institute of Technology. \n"
1331    "\n"
1332    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1333    "released in March 2002.\n"
1334    "\n"
1335    "The name 'owl' was chosen in reference to the owls in the\n"
1336    "Harry Potter novels, who are tasked with carrying messages\n"
1337    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1338    "because we feel our owls should live closer to our ponies.\n"
1339    "\n"
1340    "Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.\n"
1341    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1342    "Copyright 2002 Massachusetts Institute of Technology\n"
1343    "\n"
1344    "This program is free software. You can redistribute it and/or\n"
1345    "modify under the terms of the Sleepycat License. Use the \n"
1346    "':show license' command to display the full license\n"
1347  );
1348}
1349
1350void owl_function_info(void)
1351{
1352  const owl_message *m;
1353  owl_fmtext fm, attrfm;
1354  const owl_view *v;
1355#ifdef HAVE_LIBZEPHYR
1356  const ZNotice_t *n;
1357#endif
1358
1359  owl_fmtext_init_null(&fm);
1360 
1361  v=owl_global_get_current_view(&g);
1362  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1363  if (!m || owl_view_get_size(v)==0) {
1364    owl_function_error("No message selected\n");
1365    return;
1366  }
1367
1368  owl_fmtext_append_bold(&fm, "General Information:\n");
1369  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1370
1371  owl_fmtext_append_normal(&fm, "  Type      : ");
1372  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1373  owl_fmtext_append_normal(&fm, "\n");
1374
1375  if (owl_message_is_direction_in(m)) {
1376    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1377  } else if (owl_message_is_direction_out(m)) {
1378    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1379  } else if (owl_message_is_direction_none(m)) {
1380    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1381  } else {
1382    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1383  }
1384
1385  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1386
1387  if (!owl_message_is_type_admin(m)) {
1388    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1389    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1390  }
1391
1392  if (owl_message_is_type_zephyr(m)) {
1393    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1394   
1395    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1396    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1397    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1398#ifdef HAVE_LIBZEPHYR
1399    if (owl_message_is_direction_in(m)) {
1400      char *ptr, tmpbuff[1024];
1401      int i, j, fields, len;
1402
1403      n=owl_message_get_notice(m);
1404
1405      if (!owl_message_is_pseudo(m)) {
1406        owl_fmtext_append_normal(&fm, "  Kind      : ");
1407        if (n->z_kind==UNSAFE) {
1408          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1409        } else if (n->z_kind==UNACKED) {
1410          owl_fmtext_append_normal(&fm, "UNACKED\n");
1411        } else if (n->z_kind==ACKED) {
1412          owl_fmtext_append_normal(&fm, "ACKED\n");
1413        } else if (n->z_kind==HMACK) {
1414          owl_fmtext_append_normal(&fm, "HMACK\n");
1415        } else if (n->z_kind==HMCTL) {
1416          owl_fmtext_append_normal(&fm, "HMCTL\n");
1417        } else if (n->z_kind==SERVACK) {
1418          owl_fmtext_append_normal(&fm, "SERVACK\n");
1419        } else if (n->z_kind==SERVNAK) {
1420          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1421        } else if (n->z_kind==CLIENTACK) {
1422          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1423        } else if (n->z_kind==STAT) {
1424          owl_fmtext_append_normal(&fm, "STAT\n");
1425        } else {
1426          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1427        }
1428      }
1429      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1430
1431      if (!owl_message_is_pseudo(m)) {
1432        owl_fmtext_append_normal(&fm, "\n");
1433        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1434        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1435
1436        /* FIXME make these more descriptive */
1437        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1438        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1439        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1440        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1441
1442        fields=owl_zephyr_get_num_fields(n);
1443        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1444
1445        for (i=0; i<fields; i++) {
1446          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1447          len=strlen(ptr);
1448          if (len<30) {
1449            strncpy(tmpbuff, ptr, len);
1450            tmpbuff[len]='\0';
1451          } else {
1452            strncpy(tmpbuff, ptr, 30);
1453            tmpbuff[30]='\0';
1454            strcat(tmpbuff, "...");
1455          }
1456          owl_free(ptr);
1457
1458          for (j=0; j<strlen(tmpbuff); j++) {
1459            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1460            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1461          }
1462
1463          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1464        }
1465        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1466      }
1467
1468    }
1469#endif
1470  }
1471
1472  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1473  owl_message_attributes_tofmtext(m, &attrfm);
1474  owl_fmtext_append_fmtext(&fm, &attrfm);
1475 
1476  owl_function_popless_fmtext(&fm);
1477  owl_fmtext_cleanup(&fm);
1478  owl_fmtext_cleanup(&attrfm);
1479}
1480
1481/* print the current message in a popup window.
1482 * Use the 'default' style regardless of whatever
1483 * style the user may be using
1484 */
1485void owl_function_curmsg_to_popwin(void)
1486{
1487  const owl_view *v;
1488  const owl_message *m;
1489  const owl_style *s;
1490  owl_fmtext fm;
1491
1492  v=owl_global_get_current_view(&g);
1493  s=owl_global_get_style_by_name(&g, "default");
1494
1495  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1496
1497  if (!m || owl_view_get_size(v)==0) {
1498    owl_function_error("No current message");
1499    return;
1500  }
1501
1502  owl_fmtext_init_null(&fm);
1503  owl_style_get_formattext(s, &fm, m);
1504
1505  owl_function_popless_fmtext(&fm);
1506  owl_fmtext_cleanup(&fm);
1507}
1508
1509void owl_function_page_curmsg(int step)
1510{
1511  /* scroll down or up within the current message IF the message is truncated */
1512
1513  int offset, curmsg, lines;
1514  const owl_view *v;
1515  owl_message *m;
1516
1517  offset=owl_global_get_curmsg_vert_offset(&g);
1518  v=owl_global_get_current_view(&g);
1519  curmsg=owl_global_get_curmsg(&g);
1520  m=owl_view_get_element(v, curmsg);
1521  if (!m || owl_view_get_size(v)==0) return;
1522  lines=owl_message_get_numlines(m);
1523
1524  if (offset==0) {
1525    /* Bail if the curmsg isn't the last one displayed */
1526    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1527      owl_function_makemsg("The entire message is already displayed");
1528      return;
1529    }
1530   
1531    /* Bail if we're not truncated */
1532    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1533      owl_function_makemsg("The entire message is already displayed");
1534      return;
1535    }
1536  }
1537 
1538 
1539  /* don't scroll past the last line */
1540  if (step>0) {
1541    if (offset+step > lines-1) {
1542      owl_global_set_curmsg_vert_offset(&g, lines-1);
1543    } else {
1544      owl_global_set_curmsg_vert_offset(&g, offset+step);
1545    }
1546  }
1547
1548  /* would we be before the beginning of the message? */
1549  if (step<0) {
1550    if (offset+step<0) {
1551      owl_global_set_curmsg_vert_offset(&g, 0);
1552    } else {
1553      owl_global_set_curmsg_vert_offset(&g, offset+step);
1554    }
1555  }
1556 
1557  /* redisplay */
1558  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1559  owl_global_set_needrefresh(&g);
1560}
1561
1562void owl_function_resize_typwin(int newsize)
1563{
1564  owl_global_set_typwin_lines(&g, newsize);
1565  owl_function_resize();
1566}
1567
1568void owl_function_mainwin_pagedown(void)
1569{
1570  int i;
1571
1572  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1573  if (i<0) return;
1574  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1575      && (owl_global_get_curmsg(&g) < i)
1576      && (i>0)) {
1577    i--;
1578  }
1579  owl_global_set_curmsg(&g, i);
1580  owl_function_nextmsg();
1581}
1582
1583void owl_function_mainwin_pageup(void)
1584{
1585  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1586  owl_function_prevmsg();
1587}
1588
1589void owl_function_getsubs(void)
1590{
1591  char *buff;
1592
1593  buff=owl_zephyr_getsubs();
1594
1595  if (buff) {
1596    owl_function_popless_text(buff);
1597  } else {
1598    owl_function_popless_text("Error getting subscriptions");
1599  }
1600           
1601  owl_free(buff);
1602}
1603
1604void owl_function_printallvars(void)
1605{
1606  const char *name;
1607  char var[LINE];
1608  owl_list varnames;
1609  int i, numvarnames;
1610  GString *str   = g_string_new("");
1611
1612  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1613  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1614  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1615  numvarnames = owl_list_get_size(&varnames);
1616  for (i=0; i<numvarnames; i++) {
1617    name = owl_list_get_element(&varnames, i);
1618    if (name && name[0]!='_') {
1619      g_string_append_printf(str, "\n%-20s = ", name);
1620      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1621      g_string_append(str, var);
1622    }
1623  }
1624  g_string_append(str, "\n");
1625  owl_variable_dict_namelist_cleanup(&varnames);
1626
1627  owl_function_popless_text(str->str);
1628  g_string_free(str, TRUE);
1629}
1630
1631void owl_function_show_variables(void)
1632{
1633  owl_list varnames;
1634  owl_fmtext fm; 
1635  int i, numvarnames;
1636  const char *varname;
1637
1638  owl_fmtext_init_null(&fm);
1639  owl_fmtext_append_bold(&fm, 
1640      "Variables: (use 'show variable <name>' for details)\n");
1641  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1642  numvarnames = owl_list_get_size(&varnames);
1643  for (i=0; i<numvarnames; i++) {
1644    varname = owl_list_get_element(&varnames, i);
1645    if (varname && varname[0]!='_') {
1646      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1647    }
1648  }
1649  owl_variable_dict_namelist_cleanup(&varnames);
1650  owl_function_popless_fmtext(&fm);
1651  owl_fmtext_cleanup(&fm);
1652}
1653
1654void owl_function_show_variable(const char *name)
1655{
1656  owl_fmtext fm; 
1657
1658  owl_fmtext_init_null(&fm);
1659  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1660  owl_function_popless_fmtext(&fm);
1661  owl_fmtext_cleanup(&fm);
1662}
1663
1664/* note: this applies to global message list, not to view.
1665 * If flag is 1, deletes.  If flag is 0, undeletes. */
1666void owl_function_delete_by_id(int id, int flag)
1667{
1668  const owl_messagelist *ml;
1669  owl_message *m;
1670  ml = owl_global_get_msglist(&g);
1671  m = owl_messagelist_get_by_id(ml, id);
1672  if (m) {
1673    if (flag == 1) {
1674      owl_message_mark_delete(m);
1675    } else if (flag == 0) {
1676      owl_message_unmark_delete(m);
1677    }
1678    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1679    owl_global_set_needrefresh(&g);
1680  } else {
1681    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1682  }
1683}
1684
1685void owl_function_delete_automsgs(void)
1686{
1687  /* mark for deletion all messages in the current view that match the
1688   * 'trash' filter */
1689
1690  int i, j, count;
1691  owl_message *m;
1692  const owl_view *v;
1693  const owl_filter *f;
1694
1695  /* get the trash filter */
1696  f=owl_global_get_filter(&g, "trash");
1697  if (!f) {
1698    owl_function_error("No trash filter defined");
1699    return;
1700  }
1701
1702  v=owl_global_get_current_view(&g);
1703
1704  count=0;
1705  j=owl_view_get_size(v);
1706  for (i=0; i<j; i++) {
1707    m=owl_view_get_element(v, i);
1708    if (owl_filter_message_match(f, m)) {
1709      count++;
1710      owl_message_mark_delete(m);
1711    }
1712  }
1713  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1714  owl_function_makemsg("%i messages marked for deletion", count);
1715  owl_global_set_needrefresh(&g);
1716}
1717
1718void owl_function_status(void)
1719{
1720  char buff[MAXPATHLEN+1];
1721  time_t start;
1722  int up, days, hours, minutes;
1723  owl_fmtext fm;
1724
1725  owl_fmtext_init_null(&fm);
1726
1727  start=owl_global_get_starttime(&g);
1728
1729  owl_fmtext_append_normal(&fm, "General Information:\n");
1730
1731  owl_fmtext_append_normal(&fm, "  Version: ");
1732  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1733  owl_fmtext_append_normal(&fm, "\n");
1734
1735  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1736  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1737  owl_fmtext_append_normal(&fm, "\n");
1738
1739  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1740  if(getcwd(buff, MAXPATHLEN) == NULL) {
1741    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1742  } else {
1743    owl_fmtext_append_normal(&fm, buff);
1744  }
1745  owl_fmtext_append_normal(&fm, "\n");
1746
1747  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1748
1749  up=owl_global_get_runtime(&g);
1750  days=up/86400;
1751  up-=days*86400;
1752  hours=up/3600;
1753  up-=hours*3600;
1754  minutes=up/60;
1755  up-=minutes*60;
1756  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1757
1758  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1759  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1760  if (owl_global_is_havezephyr(&g)) {
1761    owl_fmtext_append_normal(&fm, "yes\n");
1762  } else {
1763    owl_fmtext_append_normal(&fm, "no\n");
1764  }
1765  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1766  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1767
1768
1769  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1770  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1771#if OWL_STDERR_REDIR
1772  owl_fmtext_append_normal(&fm, "yes\n");
1773#else
1774  owl_fmtext_append_normal(&fm, "no\n");
1775#endif
1776 
1777
1778  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1779  owl_fmtext_append_normal(&fm, "  Logged in: ");
1780  if (owl_global_is_aimloggedin(&g)) {
1781    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1782    owl_fmtext_append_normal(&fm, "\n");
1783  } else {
1784    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1785  }
1786
1787  owl_fmtext_append_normal(&fm, "  Processing events: ");
1788  if (owl_global_is_doaimevents(&g)) {
1789    owl_fmtext_append_normal(&fm, "yes\n");
1790  } else {
1791    owl_fmtext_append_normal(&fm, "no\n");
1792  }
1793
1794  owl_function_popless_fmtext(&fm);
1795  owl_fmtext_cleanup(&fm);
1796}
1797
1798void owl_function_show_term(void)
1799{
1800  owl_fmtext fm;
1801
1802  owl_fmtext_init_null(&fm);
1803  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1804          owl_global_get_lines(&g),
1805          owl_global_get_cols(&g));
1806
1807  if (owl_global_get_hascolors(&g)) {
1808    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1809    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1810    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1811  } else {
1812    owl_fmtext_append_normal(&fm, "Color: No\n");
1813  }
1814
1815  owl_function_popless_fmtext(&fm);
1816  owl_fmtext_cleanup(&fm);
1817}
1818
1819/* if type = 0 then normal reply.
1820 * if type = 1 then it's a reply to sender
1821 * if enter = 0 then allow the command to be edited
1822 * if enter = 1 then don't wait for editing
1823 */
1824void owl_function_reply(int type, int enter)
1825{
1826  char *buff=NULL;
1827  const owl_message *m;
1828  const owl_filter *f;
1829 
1830  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1831    owl_function_error("No message selected");
1832  } else {
1833    char *cmd;
1834   
1835    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1836    if (!m) {
1837      owl_function_error("No message selected");
1838      return;
1839    }
1840
1841    /* first check if we catch the reply-lockout filter */
1842    f=owl_global_get_filter(&g, "reply-lockout");
1843    if (f) {
1844      if (owl_filter_message_match(f, m)) {
1845        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1846        return;
1847      }
1848    }
1849
1850    /* then check if it's a question and just bring up the command prompt */
1851    if (owl_message_is_question(m)) {
1852      owl_function_start_command("");
1853      return;
1854    }
1855
1856    if((type == 0 &&
1857        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1858       (type == 1 &&
1859        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1860      buff = cmd;
1861    }
1862
1863    if(!buff) {
1864        owl_function_error("I don't know how to reply to that message.");
1865        return;
1866    }
1867
1868    if (enter) {
1869      owl_history *hist = owl_global_get_cmd_history(&g);
1870      owl_history_store(hist, buff);
1871      owl_history_reset(hist);
1872      owl_function_command_norv(buff);
1873    } else {
1874      owl_function_start_command(buff);
1875    }
1876    owl_free(buff);
1877  }
1878}
1879
1880void owl_function_zlocate(int argc, const char *const *argv, int auth)
1881{
1882  owl_fmtext fm;
1883  char *ptr;
1884  char *result;
1885  int i;
1886
1887  owl_fmtext_init_null(&fm);
1888
1889  for (i=0; i<argc; i++) {
1890    ptr = long_zuser(argv[i]);
1891    result = owl_zephyr_zlocate(ptr, auth);
1892    owl_fmtext_append_normal(&fm, result);
1893    owl_free(result);
1894    owl_free(ptr);
1895  }
1896
1897  owl_function_popless_fmtext(&fm);
1898  owl_fmtext_cleanup(&fm);
1899}
1900
1901void owl_callback_command(owl_editwin *e)
1902{
1903  char *rv;
1904  const char *line = owl_editwin_get_text(e);
1905
1906  rv = owl_function_command(line);
1907   if (rv) {
1908    owl_function_makemsg("%s", rv);
1909    owl_free(rv);
1910  }
1911}
1912
1913void owl_function_start_command(const char *line)
1914{
1915  owl_editwin *tw;
1916
1917  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1918
1919  owl_editwin_set_locktext(tw, "command: ");
1920  owl_global_set_needrefresh(&g);
1921
1922  owl_editwin_insert_string(tw, line);
1923  owl_editwin_redisplay(tw);
1924
1925  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1926  owl_editwin_set_callback(tw, owl_callback_command);
1927}
1928
1929void owl_function_start_question(const char *line)
1930{
1931  owl_editwin *tw;
1932
1933  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1934
1935  owl_editwin_set_locktext(tw, line);
1936  owl_global_set_needrefresh(&g);
1937
1938  owl_editwin_redisplay(tw);
1939
1940  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1941}
1942
1943void owl_function_start_password(const char *line)
1944{
1945  owl_editwin *tw;
1946
1947  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1948
1949  owl_editwin_set_echochar(tw, '*');
1950
1951  owl_editwin_set_locktext(tw, line);
1952  owl_global_set_needrefresh(&g);
1953
1954  owl_editwin_redisplay(tw);
1955
1956  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1957}
1958
1959char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1960{
1961  /* if type == 1 display in a popup
1962   * if type == 2 display an admin messages
1963   * if type == 0 return output
1964   * else display in a popup
1965   */
1966  const char *redirect = " 2>&1 < /dev/null";
1967  char *newbuff;
1968  char *out;
1969  FILE *p;
1970
1971#if OWL_STDERR_REDIR
1972  redirect = " < /dev/null";
1973#endif
1974
1975  if (argc<2) {
1976    owl_function_error("Wrong number of arguments to the exec command");
1977    return NULL;
1978  }
1979
1980  buff = skiptokens(buff, 1);
1981  newbuff = owl_sprintf("%s%s", buff, redirect);
1982
1983  if (type == 1) {
1984    owl_popexec_new(newbuff);
1985  } else {
1986    p = popen(newbuff, "r");
1987    out = owl_slurp(p);
1988    pclose(p);
1989   
1990    if (type==1) {
1991      owl_function_popless_text(out);
1992    } else if (type==0) {
1993      owl_free(newbuff);
1994      return out;
1995    } else if (type==2) {
1996      owl_function_adminmsg(buff, out);
1997    } else {
1998      owl_function_popless_text(out);
1999    }
2000    owl_free(out);
2001  }
2002  owl_free(newbuff);
2003  return NULL;
2004}
2005
2006char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2007{
2008  /* if type == 1 display in a popup
2009   * if type == 2 display an admin messages
2010   * if type == 0 return output
2011   * else display in a popup
2012   */
2013  char *perlout;
2014
2015  if (argc<2) {
2016    owl_function_error("Wrong number of arguments to perl command");
2017    return NULL;
2018  }
2019
2020  /* consume first token (argv[0]) */
2021  buff = skiptokens(buff, 1);
2022
2023  perlout = owl_perlconfig_execute(buff);
2024  if (perlout) { 
2025    if (type==1) {
2026      owl_function_popless_text(perlout);
2027    } else if (type==2) {
2028      owl_function_adminmsg(buff, perlout);
2029    } else if (type==0) {
2030      return perlout;
2031    } else {
2032      owl_function_popless_text(perlout);
2033    }
2034    owl_free(perlout);
2035  }
2036  return NULL;
2037}
2038
2039/* Change the filter associated with the current view.
2040 * This also figures out which message in the new filter
2041 * should have the pointer.
2042 */
2043void owl_function_change_currentview_filter(const char *filtname)
2044{
2045  owl_view *v;
2046  owl_filter *f;
2047  int curid=-1, newpos, curmsg;
2048  const owl_message *curm=NULL;
2049
2050  v=owl_global_get_current_view(&g);
2051
2052  curmsg=owl_global_get_curmsg(&g);
2053  if (curmsg==-1) {
2054    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2055  } else {
2056    curm=owl_view_get_element(v, curmsg);
2057    if (curm) {
2058      curid=owl_message_get_id(curm);
2059      owl_view_save_curmsgid(v, curid);
2060    }
2061  }
2062
2063  f=owl_global_get_filter(&g, filtname);
2064  if (!f) {
2065    owl_function_error("Unknown filter %s", filtname);
2066    return;
2067  }
2068
2069  owl_view_new_filter(v, f);
2070
2071  /* Figure out what to set the current message to.
2072   * - If the view we're leaving has messages in it, go to the closest message
2073   *   to the last message pointed to in that view.
2074   * - If the view we're leaving is empty, try to restore the position
2075   *   from the last time we were in the new view.  */
2076  if (curm) {
2077    newpos = owl_view_get_nearest_to_msgid(v, curid);
2078  } else {
2079    newpos = owl_view_get_nearest_to_saved(v);
2080  }
2081
2082  owl_global_set_curmsg(&g, newpos);
2083  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2084  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2085  owl_global_set_direction_downwards(&g);
2086}
2087
2088/* Create a new filter, or replace an existing one
2089 * with a new definition.
2090 */
2091void owl_function_create_filter(int argc, const char *const *argv)
2092{
2093  owl_filter *f;
2094  const owl_view *v;
2095  int inuse = 0;
2096
2097  if (argc < 2) {
2098    owl_function_error("Wrong number of arguments to filter command");
2099    return;
2100  }
2101
2102  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2103
2104  v=owl_global_get_current_view(&g);
2105
2106  /* don't touch the all filter */
2107  if (!strcmp(argv[1], "all")) {
2108    owl_function_error("You may not change the 'all' filter.");
2109    return;
2110  }
2111
2112  /* deal with the case of trying change the filter color */
2113  if (argc==4 && !strcmp(argv[2], "-c")) {
2114    f=owl_global_get_filter(&g, argv[1]);
2115    if (!f) {
2116      owl_function_error("The filter '%s' does not exist.", argv[1]);
2117      return;
2118    }
2119    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2120      owl_function_error("The color '%s' is not available.", argv[3]);
2121      return;
2122    }
2123    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2124    owl_global_set_needrefresh(&g);
2125    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2126    return;
2127  }
2128  if (argc==4 && !strcmp(argv[2], "-b")) {
2129    f=owl_global_get_filter(&g, argv[1]);
2130    if (!f) {
2131      owl_function_error("The filter '%s' does not exist.", argv[1]);
2132      return;
2133    }
2134    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2135      owl_function_error("The color '%s' is not available.", argv[3]);
2136      return;
2137    }
2138    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2139    owl_global_set_needrefresh(&g);
2140    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2141    return;
2142  }
2143
2144  /* create the filter and check for errors */
2145  f = owl_filter_new(argv[1], argc-2, argv+2);
2146  if (f == NULL) {
2147    owl_function_error("Invalid filter");
2148    return;
2149  }
2150
2151  /* if the named filter is in use by the current view, remember it */
2152  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2153    inuse=1;
2154  }
2155
2156  /* if the named filter already exists, nuke it */
2157  if (owl_global_get_filter(&g, argv[1])) {
2158    owl_global_remove_filter(&g, argv[1]);
2159  }
2160
2161  /* add the filter */
2162  owl_global_add_filter(&g, f);
2163
2164  /* if it was in use by the current view then update */
2165  if (inuse) {
2166    owl_function_change_currentview_filter(argv[1]);
2167  }
2168  owl_global_set_needrefresh(&g);
2169  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2170}
2171
2172/* If 'filtername' does not start with 'not-' create a filter named
2173 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2174 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2175 * 'filtername' begins with 'not-' and a filter 'filtername' already
2176 * exists, then do nothing.  If the filter 'filtername' does not
2177 * exist, create it and define it as 'not filter <filtername>'
2178 *
2179 * Returns the name of the negated filter, which the caller must free.
2180 */
2181char *owl_function_create_negative_filter(const char *filtername)
2182{
2183  char *newname;
2184  const owl_filter *tmpfilt;
2185  const char *argv[5];
2186
2187  owl_function_debugmsg("owl_function_create_negative_filter");
2188 
2189  if (!strncmp(filtername, "not-", 4)) {
2190    newname=owl_strdup(filtername+4);
2191  } else {
2192    newname=owl_sprintf("not-%s", filtername);
2193  }
2194
2195  tmpfilt=owl_global_get_filter(&g, newname);
2196  if (!tmpfilt) {
2197    argv[0]="filter"; /* anything is fine here */
2198    argv[1]=newname;
2199    argv[2]="not";
2200    argv[3]="filter";
2201    argv[4]=filtername;
2202    owl_function_create_filter(5, argv);
2203  }
2204
2205  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2206  return(newname);
2207}
2208
2209void owl_function_show_filters(void)
2210{
2211  const owl_filter *f;
2212  GList *fl;
2213  owl_fmtext fm;
2214
2215  owl_fmtext_init_null(&fm);
2216
2217  owl_fmtext_append_bold(&fm, "Filters:\n");
2218
2219  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2220    f = fl->data;
2221    owl_fmtext_append_normal(&fm, "   ");
2222    if (owl_global_get_hascolors(&g)) {
2223      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2224    } else {
2225      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2226    }
2227    owl_fmtext_append_normal(&fm, "\n");
2228  }
2229  owl_function_popless_fmtext(&fm);
2230  owl_fmtext_cleanup(&fm);
2231}
2232
2233void owl_function_show_filter(const char *name)
2234{
2235  const owl_filter *f;
2236  char *buff, *tmp;
2237
2238  f=owl_global_get_filter(&g, name);
2239  if (!f) {
2240    owl_function_error("There is no filter named %s", name);
2241    return;
2242  }
2243  tmp = owl_filter_print(f);
2244  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2245  owl_function_popless_text(buff);
2246  owl_free(buff);
2247  owl_free(tmp);
2248}
2249
2250void owl_function_show_zpunts(void)
2251{
2252  const owl_filter *f;
2253  const owl_list *fl;
2254  char buff[5000];
2255  char *tmp;
2256  owl_fmtext fm;
2257  int i, j;
2258
2259  owl_fmtext_init_null(&fm);
2260
2261  fl=owl_global_get_puntlist(&g);
2262  j=owl_list_get_size(fl);
2263  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2264
2265  for (i=0; i<j; i++) {
2266    f=owl_list_get_element(fl, i);
2267    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2268    owl_fmtext_append_normal(&fm, buff);
2269    tmp = owl_filter_print(f);
2270    owl_fmtext_append_normal(&fm, tmp);
2271    owl_free(tmp);
2272  }
2273  owl_function_popless_fmtext(&fm);
2274  owl_fmtext_cleanup(&fm);
2275}
2276
2277/* Create a filter for a class, instance if one doesn't exist.  If
2278 * instance is NULL then catch all messgaes in the class.  Returns the
2279 * name of the filter, which the caller must free.
2280 */
2281char *owl_function_classinstfilt(const char *c, const char *i) 
2282{
2283  owl_filter *f;
2284  char *argbuff, *filtname;
2285  char *tmpclass, *tmpinstance = NULL;
2286  char *class, *instance = NULL;
2287
2288  class = owl_util_baseclass(c);
2289  if(i) {
2290    instance = owl_util_baseclass(i);
2291  }
2292
2293  /* name for the filter */
2294  if (!instance) {
2295    filtname = owl_sprintf("class-%s", class);
2296  } else {
2297    filtname = owl_sprintf("class-%s-instance-%s", class, instance);
2298  }
2299  /* downcase it */
2300  {
2301    char *temp = g_utf8_strdown(filtname, -1);
2302    if (temp) {
2303      owl_free(filtname);
2304      filtname = temp;
2305    }
2306  }
2307  /* turn spaces, single quotes, and double quotes into dots */
2308  owl_text_tr(filtname, ' ', '.');
2309  owl_text_tr(filtname, '\'', '.');
2310  owl_text_tr(filtname, '"', '.');
2311 
2312  /* if it already exists then go with it.  This lets users override */
2313  if (owl_global_get_filter(&g, filtname)) {
2314    return(filtname);
2315  }
2316
2317  /* create the new filter */
2318  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2319  owl_text_tr(tmpclass, ' ', '.');
2320  owl_text_tr(tmpclass, '\'', '.');
2321  owl_text_tr(tmpclass, '"', '.');
2322  if (instance) {
2323    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2324    owl_text_tr(tmpinstance, ' ', '.');
2325    owl_text_tr(tmpinstance, '\'', '.');
2326    owl_text_tr(tmpinstance, '"', '.');
2327  }
2328
2329  argbuff = owl_sprintf("class ^(un)*%s(\\.d)*$", tmpclass);
2330  if (tmpinstance) {
2331    char *tmp = argbuff;
2332    argbuff = owl_sprintf("%s and ( instance ^(un)*%s(\\.d)*$ )", tmp, tmpinstance);
2333    owl_free(tmp);
2334  }
2335  owl_free(tmpclass);
2336  if (tmpinstance) owl_free(tmpinstance);
2337
2338  f = owl_filter_new_fromstring(filtname, argbuff);
2339
2340  /* add it to the global list */
2341  owl_global_add_filter(&g, f);
2342
2343  owl_free(argbuff);
2344  owl_free(class);
2345  if (instance) {
2346    owl_free(instance);
2347  }
2348  return(filtname);
2349}
2350
2351/* Create a filter for personal zephyrs to or from the specified
2352 * zephyr user.  Includes login/logout notifications for the user.
2353 * The name of the filter will be 'user-<user>'.  If a filter already
2354 * exists with this name, no new filter will be created.  This allows
2355 * the configuration to override this function.  Returns the name of
2356 * the filter, which the caller must free.
2357 */
2358char *owl_function_zuserfilt(const char *user)
2359{
2360  owl_filter *f;
2361  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2362
2363  /* stick the local realm on if it's not there */
2364  longuser=long_zuser(user);
2365  shortuser=short_zuser(user);
2366
2367  /* name for the filter */
2368  filtname=owl_sprintf("user-%s", shortuser);
2369
2370  /* if it already exists then go with it.  This lets users override */
2371  if (owl_global_get_filter(&g, filtname)) {
2372    return(owl_strdup(filtname));
2373  }
2374
2375  /* create the new-internal filter */
2376  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2377
2378  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2379      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2380      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2381      esclonguser);
2382
2383  f = owl_filter_new_fromstring(filtname, argbuff);
2384
2385  /* add it to the global list */
2386  owl_global_add_filter(&g, f);
2387
2388  /* free stuff */
2389  owl_free(argbuff);
2390  owl_free(longuser);
2391  owl_free(esclonguser);
2392  owl_free(shortuser);
2393
2394  return(filtname);
2395}
2396
2397/* Create a filter for AIM IM messages to or from the specified
2398 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2399 * filter already exists with this name, no new filter will be
2400 * created.  This allows the configuration to override this function.
2401 * Returns the name of the filter, which the caller must free.
2402 */
2403char *owl_function_aimuserfilt(const char *user)
2404{
2405  owl_filter *f;
2406  char *argbuff, *filtname;
2407  char *escuser;
2408
2409  /* name for the filter */
2410  filtname=owl_sprintf("aimuser-%s", user);
2411
2412  /* if it already exists then go with it.  This lets users override */
2413  if (owl_global_get_filter(&g, filtname)) {
2414    return(owl_strdup(filtname));
2415  }
2416
2417  /* create the new-internal filter */
2418  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2419
2420  argbuff = owl_sprintf(
2421      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2422      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2423      escuser, owl_global_get_aim_screenname_for_filters(&g));
2424
2425  f = owl_filter_new_fromstring(filtname, argbuff);
2426
2427  /* add it to the global list */
2428  owl_global_add_filter(&g, f);
2429
2430  /* free stuff */
2431  owl_free(argbuff);
2432  owl_free(escuser);
2433
2434  return(filtname);
2435}
2436
2437char *owl_function_typefilt(const char *type)
2438{
2439  owl_filter *f;
2440  char *argbuff, *filtname, *esctype;
2441
2442  /* name for the filter */
2443  filtname=owl_sprintf("type-%s", type);
2444
2445  /* if it already exists then go with it.  This lets users override */
2446  if (owl_global_get_filter(&g, filtname)) {
2447    return filtname;
2448  }
2449
2450  /* create the new-internal filter */
2451  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2452
2453  argbuff = owl_sprintf("type ^%s$", esctype);
2454
2455  f = owl_filter_new_fromstring(filtname, argbuff);
2456
2457  /* add it to the global list */
2458  owl_global_add_filter(&g, f);
2459
2460  /* free stuff */
2461  owl_free(argbuff);
2462  owl_free(esctype);
2463
2464  return filtname;
2465}
2466
2467/* If flag is 1, marks for deletion.  If flag is 0,
2468 * unmarks for deletion. */
2469void owl_function_delete_curview_msgs(int flag)
2470{
2471  const owl_view *v;
2472  int i, j;
2473
2474  v=owl_global_get_current_view(&g);
2475  j=owl_view_get_size(v);
2476  for (i=0; i<j; i++) {
2477    if (flag == 1) {
2478      owl_message_mark_delete(owl_view_get_element(v, i));
2479    } else if (flag == 0) {
2480      owl_message_unmark_delete(owl_view_get_element(v, i));
2481    }
2482  }
2483
2484  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2485
2486  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2487}
2488
2489/* Create a filter based on the current message.  Returns the name of
2490 * a filter or null.  The caller must free this name.
2491 *
2492 * if the curmsg is a personal zephyr return a filter name
2493 *    to the zephyr conversation with that user.
2494 * If the curmsg is a zephyr class message, instance foo, recip *,
2495 *    return a filter name to the class, inst.
2496 * If the curmsg is a zephyr class message and type==0 then
2497 *    return a filter name for just the class.
2498 * If the curmsg is a zephyr class message and type==1 then
2499 *    return a filter name for the class and instance.
2500 * If the curmsg is a personal AIM message returna  filter
2501 *    name to the AIM conversation with that user
2502 */
2503char *owl_function_smartfilter(int type)
2504{
2505  const owl_view *v;
2506  const owl_message *m;
2507  char *zperson, *filtname=NULL;
2508  const char *argv[1];
2509 
2510  v=owl_global_get_current_view(&g);
2511  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2512
2513  if (!m || owl_view_get_size(v)==0) {
2514    owl_function_error("No message selected\n");
2515    return(NULL);
2516  }
2517
2518  /* very simple handling of admin messages for now */
2519  if (owl_message_is_type_admin(m)) {
2520    return(owl_function_typefilt("admin"));
2521  }
2522
2523  /* very simple handling of loopback messages for now */
2524  if (owl_message_is_type_loopback(m)) {
2525    return(owl_function_typefilt("loopback"));
2526  }
2527
2528  /* aim messages */
2529  if (owl_message_is_type_aim(m)) {
2530    if (owl_message_is_direction_in(m)) {
2531      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2532    } else if (owl_message_is_direction_out(m)) {
2533      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2534    }
2535    return(filtname);
2536  }
2537
2538  /* narrow personal and login messages to the sender or recip as appropriate */
2539  if (owl_message_is_type_zephyr(m)) {
2540    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2541      if (owl_message_is_direction_in(m)) {
2542        zperson=short_zuser(owl_message_get_sender(m));
2543      } else {
2544        zperson=short_zuser(owl_message_get_recipient(m));
2545      }
2546      filtname=owl_function_zuserfilt(zperson);
2547      owl_free(zperson);
2548      return(filtname);
2549    }
2550
2551    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2552    if (!strcasecmp(owl_message_get_class(m), "message")) {
2553      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2554      return(filtname);
2555    }
2556
2557    /* otherwise narrow to the class */
2558    if (type==0) {
2559      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2560    } else if (type==1) {
2561      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2562    }
2563    return(filtname);
2564  }
2565
2566  /* pass it off to perl */
2567  if(type) {
2568    argv[0] = "-i";
2569  };
2570  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2571}
2572
2573void owl_function_smartzpunt(int type)
2574{
2575  /* Starts a zpunt command based on the current class,instance pair.
2576   * If type=0, uses just class.  If type=1, uses instance as well. */
2577  const owl_view *v;
2578  const owl_message *m;
2579  const char *cmdprefix, *mclass, *minst;
2580  char *cmd;
2581 
2582  v=owl_global_get_current_view(&g);
2583  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2584
2585  if (!m || owl_view_get_size(v)==0) {
2586    owl_function_error("No message selected\n");
2587    return;
2588  }
2589
2590  /* for now we skip admin messages. */
2591  if (owl_message_is_type_admin(m)
2592      || owl_message_is_loginout(m)
2593      || !owl_message_is_type_zephyr(m)) {
2594    owl_function_error("smartzpunt doesn't support this message type.");
2595    return;
2596  }
2597
2598  mclass = owl_message_get_class(m);
2599  minst = owl_message_get_instance(m);
2600  if (!mclass || !*mclass || *mclass==' '
2601      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2602      || (type && (!minst || !*minst|| *minst==' '))) {
2603    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2604                         mclass, minst);
2605  } else {
2606    cmdprefix = "start-command zpunt ";
2607    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2608    strcpy(cmd, cmdprefix);
2609    strcat(cmd, owl_getquoting(mclass));
2610    strcat(cmd, mclass);
2611    strcat(cmd, owl_getquoting(mclass));
2612    if (type) {
2613      strcat(cmd, " ");
2614      strcat(cmd, owl_getquoting(minst));
2615      strcat(cmd, minst);
2616      strcat(cmd, owl_getquoting(minst));
2617    } else {
2618      strcat(cmd, " *");
2619    }
2620    owl_function_command(cmd);
2621    owl_free(cmd);
2622  }
2623}
2624
2625/* Set the color of the current view's filter to
2626 * be 'color'
2627 */
2628void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2629{
2630  const char *name;
2631
2632  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2633  owl_function_color_filter(name, fgcolor, bgcolor);
2634}
2635
2636/* Set the color of the filter 'filter' to be 'color'.  If the color
2637 * name does not exist, return -1, if the filter does not exist or is
2638 * the "all" filter, return -2.  Return 0 on success
2639 */
2640int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2641{
2642  owl_filter *f;
2643
2644  f=owl_global_get_filter(&g, filtname);
2645  if (!f) {
2646    owl_function_error("Unknown filter");
2647    return(-2);
2648  }
2649
2650  /* don't touch the all filter */
2651  if (!strcmp(filtname, "all")) {
2652    owl_function_error("You may not change the 'all' filter.");
2653    return(-2);
2654  }
2655
2656  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2657    owl_function_error("No color named '%s' avilable.", fgcolor);
2658    return(-1);
2659  }
2660
2661
2662  if (bgcolor != NULL) {
2663    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2664      owl_function_error("No color named '%s' avilable.", bgcolor);
2665      return(-1);
2666    }
2667    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2668  }
2669  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2670 
2671  owl_global_set_needrefresh(&g);
2672  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2673  return(0);
2674}
2675
2676void owl_function_show_colors(void)
2677{
2678  owl_fmtext fm;
2679  int i; 
2680 
2681  owl_fmtext_init_null(&fm);
2682  owl_fmtext_append_normal(&fm, "default: ");
2683  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2684
2685  owl_fmtext_append_normal(&fm,"red:      ");
2686  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2687
2688  owl_fmtext_append_normal(&fm,"green:    ");
2689  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2690
2691  owl_fmtext_append_normal(&fm,"yellow:   ");
2692  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2693
2694  owl_fmtext_append_normal(&fm,"blue:     ");
2695  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2696
2697  owl_fmtext_append_normal(&fm,"magenta:  ");
2698  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2699
2700  owl_fmtext_append_normal(&fm,"cyan:     ");
2701  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2702
2703  owl_fmtext_append_normal(&fm,"white:    ");
2704  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2705
2706  for(i = 8; i < COLORS; ++i) {
2707    char* str1 = owl_sprintf("%4i:     ",i);
2708    char* str2 = owl_sprintf("%i\n",i);
2709    owl_fmtext_append_normal(&fm,str1);
2710    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2711    owl_free(str1);
2712     owl_free(str2);
2713  }
2714 
2715  owl_function_popless_fmtext(&fm);
2716  owl_fmtext_cleanup(&fm);
2717}
2718
2719/* add the given class, inst, recip to the punt list for filtering.
2720 *   if direction==0 then punt
2721 *   if direction==1 then unpunt
2722 */
2723void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2724{
2725  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2726  char *quoted;
2727
2728  if (!strcmp(class, "*")) {
2729    classexpr = owl_sprintf("class .*");
2730  } else {
2731    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2732    owl_text_tr(quoted, ' ', '.');
2733    owl_text_tr(quoted, '\'', '.');
2734    owl_text_tr(quoted, '"', '.');
2735    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2736    owl_free(quoted);
2737  }
2738  if (!strcmp(inst, "*")) {
2739    instexpr = owl_sprintf(" and instance .*");
2740  } else {
2741    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2742    owl_text_tr(quoted, ' ', '.');
2743    owl_text_tr(quoted, '\'', '.');
2744    owl_text_tr(quoted, '"', '.');
2745    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2746    owl_free(quoted);
2747  }
2748  if (!strcmp(recip, "*")) {
2749    recipexpr = owl_sprintf("");
2750  } else {
2751    if(!strcmp(recip, "%me%")) {
2752      recip = owl_zephyr_get_sender();
2753    }
2754    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2755    owl_text_tr(quoted, ' ', '.');
2756    owl_text_tr(quoted, '\'', '.');
2757    owl_text_tr(quoted, '"', '.');
2758    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2759    owl_free(quoted);
2760  }
2761
2762  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2763  owl_function_punt(puntexpr, direction);
2764  owl_free(puntexpr);
2765  owl_free(classexpr);
2766  owl_free(instexpr);
2767  owl_free(recipexpr);
2768}
2769
2770void owl_function_punt(const char *filter, int direction)
2771{
2772  owl_filter *f;
2773  owl_list *fl;
2774  int i, j;
2775  fl=owl_global_get_puntlist(&g);
2776
2777  /* first, create the filter */
2778  owl_function_debugmsg("About to filter %s", filter);
2779  f = owl_filter_new_fromstring("punt-filter", filter);
2780  if (f == NULL) {
2781    owl_function_error("Error creating filter for zpunt");
2782    return;
2783  }
2784
2785  /* Check for an identical filter */
2786  j=owl_list_get_size(fl);
2787  for (i=0; i<j; i++) {
2788    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2789      owl_function_debugmsg("found an equivalent punt filter");
2790      /* if we're punting, then just silently bow out on this duplicate */
2791      if (direction==0) {
2792        owl_filter_delete(f);
2793        return;
2794      }
2795
2796      /* if we're unpunting, then remove this filter from the puntlist */
2797      if (direction==1) {
2798        owl_filter_delete(owl_list_get_element(fl, i));
2799        owl_list_remove_element(fl, i);
2800        owl_filter_delete(f);
2801        return;
2802      }
2803    }
2804  }
2805
2806  owl_function_debugmsg("punting");
2807  /* If we're punting, add the filter to the global punt list */
2808  if (direction==0) {
2809    owl_list_append_element(fl, f);
2810  }
2811}
2812
2813void owl_function_show_keymaps(void)
2814{
2815  owl_list l;
2816  owl_fmtext fm;
2817  const owl_keymap *km;
2818  const owl_keyhandler *kh;
2819  int i, numkm;
2820  const char *kmname;
2821
2822  kh = owl_global_get_keyhandler(&g);
2823  owl_fmtext_init_null(&fm);
2824  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2825  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2826  owl_keyhandler_get_keymap_names(kh, &l);
2827  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2828  owl_fmtext_append_normal(&fm, "\n");
2829
2830  numkm = owl_list_get_size(&l);
2831  for (i=0; i<numkm; i++) {
2832    kmname = owl_list_get_element(&l, i);
2833    km = owl_keyhandler_get_keymap(kh, kmname);
2834    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2835    owl_keymap_get_details(km, &fm);   
2836  }
2837  owl_fmtext_append_normal(&fm, "\n");
2838 
2839  owl_function_popless_fmtext(&fm);
2840  owl_keyhandler_keymap_namelist_cleanup(&l);
2841  owl_fmtext_cleanup(&fm);
2842}
2843
2844char *owl_function_keymap_summary(const char *name)
2845{
2846  const owl_keymap *km
2847    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2848  if (km) return owl_keymap_summary(km);
2849  else return(NULL);
2850}
2851
2852/* TODO: implement for real */
2853void owl_function_show_keymap(const char *name)
2854{
2855  owl_fmtext fm;
2856  const owl_keymap *km;
2857
2858  owl_fmtext_init_null(&fm);
2859  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2860  if (km) {
2861    owl_keymap_get_details(km, &fm);
2862  } else {
2863    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2864  } 
2865  owl_function_popless_fmtext(&fm);
2866  owl_fmtext_cleanup(&fm);
2867}
2868
2869void owl_function_help_for_command(const char *cmdname)
2870{
2871  owl_fmtext fm;
2872
2873  owl_fmtext_init_null(&fm);
2874  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2875  owl_function_popless_fmtext(&fm); 
2876  owl_fmtext_cleanup(&fm);
2877}
2878
2879void owl_function_search_start(const char *string, int direction)
2880{
2881  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2882   * OWL_DIRECTION_NONE */
2883  owl_regex re;
2884
2885  if (string && owl_regex_create_quoted(&re, string) == 0) {
2886    owl_global_set_search_re(&g, &re);
2887    owl_regex_cleanup(&re);
2888  } else {
2889    owl_global_set_search_re(&g, NULL);
2890  }
2891
2892  if (direction == OWL_DIRECTION_NONE)
2893    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2894  else
2895    owl_function_search_helper(0, direction);
2896}
2897
2898void owl_function_search_continue(int direction)
2899{
2900  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2901  owl_function_search_helper(1, direction);
2902}
2903
2904void owl_function_search_helper(int mode, int direction)
2905{
2906  /* move to a message that contains the string.  If direction is
2907   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2908   * OWL_DIRECTION_UPWARDS then search backwards.
2909   *
2910   * If mode==0 then it will stay on the current message if it
2911   * contains the string.
2912   */
2913
2914  const owl_view *v;
2915  int viewsize, i, curmsg, start;
2916  owl_message *m;
2917
2918  v=owl_global_get_current_view(&g);
2919  viewsize=owl_view_get_size(v);
2920  curmsg=owl_global_get_curmsg(&g);
2921 
2922  if (viewsize==0) {
2923    owl_function_error("No messages present");
2924    return;
2925  }
2926
2927  if (mode==0) {
2928    start=curmsg;
2929  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2930    start=curmsg+1;
2931  } else {
2932    start=curmsg-1;
2933  }
2934
2935  /* bounds check */
2936  if (start>=viewsize || start<0) {
2937    owl_function_error("No further matches found");
2938    return;
2939  }
2940
2941  for (i=start; i<viewsize && i>=0;) {
2942    m=owl_view_get_element(v, i);
2943    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2944      owl_global_set_curmsg(&g, i);
2945      owl_function_calculate_topmsg(direction);
2946      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2947      if (direction==OWL_DIRECTION_DOWNWARDS) {
2948        owl_global_set_direction_downwards(&g);
2949      } else {
2950        owl_global_set_direction_upwards(&g);
2951      }
2952      return;
2953    }
2954    if (direction==OWL_DIRECTION_DOWNWARDS) {
2955      i++;
2956    } else {
2957      i--;
2958    }
2959    owl_function_mask_sigint(NULL);
2960    if(owl_global_is_interrupted(&g)) {
2961      owl_global_unset_interrupted(&g);
2962      owl_function_unmask_sigint(NULL);
2963      owl_function_makemsg("Search interrupted!");
2964      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2965      return;
2966    }
2967    owl_function_unmask_sigint(NULL);
2968  }
2969  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2970  owl_function_error("No matches found");
2971}
2972
2973/* strips formatting from ztext and returns the unformatted text.
2974 * caller is responsible for freeing. */
2975char *owl_function_ztext_stylestrip(const char *zt)
2976{
2977  owl_fmtext fm;
2978  char *plaintext;
2979
2980  owl_fmtext_init_null(&fm);
2981  owl_fmtext_append_ztext(&fm, zt);
2982  plaintext = owl_fmtext_print_plain(&fm);
2983  owl_fmtext_cleanup(&fm);
2984  return(plaintext);
2985}
2986
2987/* Popup a buddylisting.  If filename is NULL use the default .anyone */
2988void owl_function_buddylist(int aim, int zephyr, const char *filename)
2989{
2990  int i, j, idle;
2991  int interrupted = 0;
2992  owl_fmtext fm;
2993  const owl_buddylist *bl;
2994  const owl_buddy *b;
2995  char *timestr;
2996#ifdef HAVE_LIBZEPHYR
2997  int x;
2998  owl_list anyone;
2999  const char *user;
3000  char *tmp;
3001  ZLocations_t location[200];
3002  int numlocs, ret;
3003#endif
3004
3005  owl_fmtext_init_null(&fm);
3006
3007  /* AIM first */
3008  if (aim && owl_global_is_aimloggedin(&g)) {
3009    bl=owl_global_get_buddylist(&g);
3010
3011    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3012    /* we're assuming AIM for now */
3013    j=owl_buddylist_get_size(bl);
3014    for (i=0; i<j; i++) {
3015      b=owl_buddylist_get_buddy_n(bl, i);
3016      idle=owl_buddy_get_idle_time(b);
3017      if (idle!=0) {
3018        timestr=owl_util_minutes_to_timestr(idle);
3019      } else {
3020        timestr=owl_strdup("");
3021      }
3022      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3023      owl_free(timestr);
3024    }
3025  }
3026
3027#ifdef HAVE_LIBZEPHYR
3028  if (zephyr) {
3029    if(!owl_global_is_havezephyr(&g)) {
3030      owl_function_error("Zephyr currently not available.");
3031    } else {
3032      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3033      owl_list_create(&anyone);
3034      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3035      if (ret) {
3036        if (errno == ENOENT) {
3037          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3038          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3039          owl_fmtext_append_bold(  &fm, "<username>");
3040          owl_fmtext_append_normal(&fm, "'.\n");
3041        } else {
3042          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3043        }
3044      } else {
3045        j=owl_list_get_size(&anyone);
3046        for (i=0; i<j; i++) {
3047          user=owl_list_get_element(&anyone, i);
3048          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3049
3050          owl_function_mask_sigint(NULL);
3051          if(owl_global_is_interrupted(&g)) {
3052            interrupted = 1;
3053            owl_global_unset_interrupted(&g);
3054            owl_function_unmask_sigint(NULL);
3055            owl_function_makemsg("Interrupted!");
3056            break;
3057          }
3058
3059          owl_function_unmask_sigint(NULL);
3060
3061          if (ret!=ZERR_NONE) {
3062            owl_function_error("Error getting location for %s", user);
3063            continue;
3064          }
3065
3066          numlocs=200;
3067          ret=ZGetLocations(location, &numlocs);
3068          if (ret==0) {
3069            for (x=0; x<numlocs; x++) {
3070              tmp=short_zuser(user);
3071              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3072                                        tmp,
3073                                        location[x].host,
3074                                        location[x].tty,
3075                                        location[x].time);
3076              owl_free(tmp);
3077            }
3078            if (numlocs>=200) {
3079              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3080            }
3081          }
3082        }
3083      }
3084      owl_list_cleanup(&anyone, owl_free);
3085    }
3086  }
3087#endif
3088
3089  if (aim && zephyr) {
3090    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3091      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3092      if (perlblist) {
3093        owl_fmtext_append_ztext(&fm, perlblist);
3094        owl_free(perlblist);
3095      }
3096    }
3097  }
3098
3099  if(!interrupted) {
3100    owl_function_popless_fmtext(&fm);
3101  }
3102  owl_fmtext_cleanup(&fm);
3103}
3104
3105/* Dump messages in the current view to the file 'filename'. */
3106void owl_function_dump(const char *filename) 
3107{
3108  int i, j;
3109  owl_message *m;
3110  const owl_view *v;
3111  FILE *file;
3112  char *plaintext;
3113
3114  v=owl_global_get_current_view(&g);
3115
3116  /* in the future make it ask yes/no */
3117  /*
3118  ret=stat(filename, &sbuf);
3119  if (!ret) {
3120    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3121    if (!ret) return;
3122  }
3123  */
3124
3125  file=fopen(filename, "w");
3126  if (!file) {
3127    owl_function_error("Error opening file");
3128    return;
3129  }
3130
3131  j=owl_view_get_size(v);
3132  for (i=0; i<j; i++) {
3133    m=owl_view_get_element(v, i);
3134    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3135    if (plaintext) {
3136      fputs(plaintext, file);
3137      owl_free(plaintext);
3138    }
3139  }
3140  fclose(file);
3141  owl_function_makemsg("Messages dumped to %s", filename);
3142}
3143
3144void owl_function_do_newmsgproc(void)
3145{
3146  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3147    /* if there's a process out there, we need to check on it */
3148    if (owl_global_get_newmsgproc_pid(&g)) {
3149      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3150      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3151      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3152      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3153        /* it exited */
3154        owl_global_set_newmsgproc_pid(&g, 0);
3155        owl_function_debugmsg("newmsgproc exited");
3156      } else {
3157        owl_function_debugmsg("newmsgproc did not exit");
3158      }
3159    }
3160   
3161    /* if it exited, fork & exec a new one */
3162    if (owl_global_get_newmsgproc_pid(&g)==0) {
3163      pid_t i;
3164      int myargc;
3165      i=fork();
3166      if (i) {
3167        /* parent set the child's pid */
3168        owl_global_set_newmsgproc_pid(&g, i);
3169        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3170      } else {
3171        /* child exec's the program */
3172        char **parsed;
3173        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3174        if (myargc < 0) {
3175          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3176        }
3177        if (myargc <= 0) {
3178          _exit(127);
3179        }
3180        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3181        parsed[myargc] = NULL;
3182       
3183        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3184       
3185        execvp(parsed[0], parsed);
3186       
3187       
3188        /* was there an error exec'ing? */
3189        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3190                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3191        _exit(127);
3192      }
3193    }
3194  }
3195}
3196
3197/* print the xterm escape sequence to raise the window */
3198void owl_function_xterm_raise(void)
3199{
3200  printf("\033[5t");
3201}
3202
3203/* print the xterm escape sequence to deiconify the window */
3204void owl_function_xterm_deiconify(void)
3205{
3206  printf("\033[1t");
3207}
3208
3209/* Add the specified command to the startup file.  Eventually this
3210 * should be clever, and rewriting settings that will obviosly
3211 * override earlier settings with 'set' 'bindkey' and 'alias'
3212 * commands.  For now though we just remove any line that would
3213 * duplicate this one and then append this line to the end of
3214 * startupfile.
3215 */
3216void owl_function_addstartup(const char *buff)
3217{
3218  FILE *file;
3219  const char *filename;
3220
3221  filename=owl_global_get_startupfile(&g);
3222
3223  /* delete earlier copies */
3224  owl_util_file_deleteline(filename, buff, 1);
3225
3226  file=fopen(filename, "a");
3227  if (!file) {
3228    owl_function_error("Error opening startupfile for new command");
3229    return;
3230  }
3231
3232  /* add this line */
3233  fprintf(file, "%s\n", buff);
3234
3235  fclose(file);
3236}
3237
3238/* Remove the specified command from the startup file. */
3239void owl_function_delstartup(const char *buff)
3240{
3241  const char *filename;
3242  filename=owl_global_get_startupfile(&g);
3243  owl_util_file_deleteline(filename, buff, 1);
3244}
3245
3246/* Execute owl commands from the given filename.  If the filename
3247 * is NULL, use the default owl startup commands file.
3248 */
3249void owl_function_source(const char *filename)
3250{
3251  char *path;
3252  FILE *file;
3253  char *s = NULL;
3254  int fail_silent = 0;
3255
3256  if (!filename) {
3257    fail_silent = 1;
3258    path = owl_strdup(owl_global_get_startupfile(&g));
3259  } else {
3260    path = owl_util_makepath(filename);
3261  }
3262  file = fopen(path, "r");
3263  owl_free(path);
3264  if (!file) {
3265    if (!fail_silent) {
3266      owl_function_error("Error opening file: %s", filename);
3267    }
3268    return;
3269  }
3270  while (owl_getline_chomp(&s, file)) {
3271    if (s[0] == '\0' || s[0] == '#')
3272      continue;
3273    owl_function_command(s);
3274  }
3275
3276  owl_free(s);
3277  fclose(file);
3278}
3279
3280void owl_function_change_style(owl_view *v, const char *stylename)
3281{
3282  const owl_style *s;
3283
3284  s=owl_global_get_style_by_name(&g, stylename);
3285  if (!s) {
3286    owl_function_error("No style named %s", stylename);
3287    return;
3288  }
3289  owl_view_set_style(v, s);
3290  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3291  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3292  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3293}
3294
3295void owl_function_toggleoneline(void)
3296{
3297  owl_view *v;
3298  const owl_style *s;
3299
3300  v=owl_global_get_current_view(&g);
3301  s=owl_view_get_style(v);
3302
3303  if (!owl_style_matches_name(s, "oneline")) {
3304    owl_function_change_style(v, "oneline");
3305  } else {
3306    owl_function_change_style(v, owl_global_get_default_style(&g));
3307  }
3308
3309  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3310  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3311  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3312}
3313
3314void owl_function_error(const char *fmt, ...)
3315{
3316  static int in_error = 0;
3317  va_list ap;
3318  char *buff;
3319  const char *nl;
3320
3321  if (++in_error > 2) {
3322    /* More than two nested errors, bail immediately. */
3323    in_error--;
3324    return;
3325  }
3326
3327  va_start(ap, fmt);
3328  buff = g_strdup_vprintf(fmt, ap);
3329  va_end(ap);
3330
3331  owl_function_debugmsg("ERROR: %s", buff);
3332  owl_function_log_err(buff);
3333
3334  nl = strchr(buff, '\n');
3335
3336  /*
3337    Showing admin messages triggers a lot of code. If we have a
3338    recursive error call, that's the most likely candidate, so
3339    suppress the call in that case, to try to avoid infinite looping.
3340  */
3341
3342  if(nl && *(nl + 1) && in_error == 1) {
3343    /* Multiline error */
3344    owl_function_adminmsg("ERROR", buff);
3345  } else {
3346    owl_function_makemsg("[Error] %s", buff);
3347  }
3348
3349  owl_free(buff);
3350
3351  in_error--;
3352}
3353
3354void owl_function_log_err(const char *string)
3355{
3356  char *date;
3357  time_t now;
3358  char *buff;
3359
3360  now=time(NULL);
3361  date=owl_strdup(ctime(&now));
3362  date[strlen(date)-1]='\0';
3363
3364  buff = owl_sprintf("%s %s", date, string);
3365
3366  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3367
3368  owl_free(buff);
3369  owl_free(date);
3370}
3371
3372void owl_function_showerrs(void)
3373{
3374  owl_fmtext fm;
3375
3376  owl_fmtext_init_null(&fm);
3377  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3378  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3379  owl_function_popless_fmtext(&fm);
3380}
3381
3382void owl_function_makemsg(const char *fmt, ...)
3383{
3384  va_list ap;
3385  char buff[2048];
3386
3387  if (!owl_global_get_curs_msgwin(&g)) return;
3388
3389  va_start(ap, fmt);
3390  werase(owl_global_get_curs_msgwin(&g));
3391 
3392  vsnprintf(buff, 2048, fmt, ap);
3393  owl_function_debugmsg("makemsg: %s", buff);
3394  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3395  owl_global_set_needrefresh(&g);
3396  va_end(ap);
3397}
3398
3399/* get locations for everyone in .anyone.  If 'notify' is '1' then
3400 * send a pseudo login or logout message for everyone not in sync with
3401 * the global zephyr buddy list.  The list is updated regardless of
3402 * the status of 'notify'.
3403 */
3404void owl_function_zephyr_buddy_check(int notify)
3405{
3406#ifdef HAVE_LIBZEPHYR
3407  int i, j;
3408  owl_list anyone;
3409  owl_zbuddylist *zbl;
3410  GList **zaldlist;
3411  GList *zaldptr;
3412  ZAsyncLocateData_t *zald;
3413  const char *user;
3414
3415  if (!owl_global_is_havezephyr(&g)) return;
3416  owl_global_set_pseudologin_notify(&g, notify);
3417  zbl = owl_global_get_zephyr_buddylist(&g);
3418  zaldlist = owl_global_get_zaldlist(&g);
3419
3420  /* Clear the existing ZALDs first. */
3421  zaldptr = g_list_first(*zaldlist);
3422  while (zaldptr) {
3423    ZFreeALD(zaldptr->data);
3424    owl_free(zaldptr->data);
3425    zaldptr = g_list_next(zaldptr);
3426  }
3427  g_list_free(*zaldlist);
3428  *zaldlist = NULL;
3429
3430  owl_list_create(&anyone);
3431  owl_zephyr_get_anyone_list(&anyone, NULL);
3432  j = owl_list_get_size(&anyone);
3433  for (i = 0; i < j; i++) {
3434    user = owl_list_get_element(&anyone, i);
3435    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3436    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3437      *zaldlist = g_list_append(*zaldlist, zald);
3438    } else {
3439      owl_free(zald);
3440    }
3441  }
3442
3443  owl_list_cleanup(&anyone, owl_free);
3444#endif
3445}
3446
3447void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3448{
3449  owl_fmtext fm;
3450  int i, j;
3451
3452  owl_fmtext_init_null(&fm);
3453  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3454  owl_fmtext_append_normal(&fm, email);
3455  owl_fmtext_append_normal(&fm, ":\n");
3456
3457  j=owl_list_get_size(namelist);
3458  for (i=0; i<j; i++) {
3459    owl_fmtext_append_normal(&fm, "  ");
3460    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3461    owl_fmtext_append_normal(&fm, "\n");
3462  }
3463
3464  owl_function_popless_fmtext(&fm);
3465  owl_fmtext_cleanup(&fm);
3466}
3467
3468int owl_function_get_color_count(void)
3469{
3470     return COLORS;
3471}
3472
3473void owl_function_mask_sigint(sigset_t *oldmask) {
3474  sigset_t intr;
3475
3476  sigemptyset(&intr);
3477  sigaddset(&intr, SIGINT);
3478  sigprocmask(SIG_BLOCK, &intr, oldmask);
3479}
3480
3481void owl_function_unmask_sigint(sigset_t *oldmask) {
3482  sigset_t intr;
3483
3484  sigemptyset(&intr);
3485  sigaddset(&intr, SIGINT);
3486  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3487}
3488
3489void _owl_function_mark_message(const owl_message *m)
3490{
3491  if (m) {
3492    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3493    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3494  }
3495}
3496
3497void owl_function_mark_message(void)
3498{
3499  const owl_message *m;
3500  const owl_view *v;
3501
3502  v=owl_global_get_current_view(&g);
3503
3504  /* bail if there's no current message */
3505  if (owl_view_get_size(v) < 1) {
3506    owl_function_error("No messages to mark");
3507    return;
3508  }
3509
3510  /* mark the message */
3511  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3512  _owl_function_mark_message(m);
3513  owl_function_makemsg("Mark set");
3514}
3515
3516void owl_function_swap_cur_marked(void)
3517{
3518  int marked_id;
3519  const owl_message *m;
3520  const owl_view *v;
3521
3522  marked_id=owl_global_get_markedmsgid(&g);
3523  if (marked_id == -1) {
3524    owl_function_error("Mark not set.");
3525    return;
3526  }
3527
3528  v=owl_global_get_current_view(&g);
3529  /* bail if there's no current message */
3530  if (owl_view_get_size(v) < 1) {
3531    return;
3532  }
3533
3534  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3535  _owl_function_mark_message(m);
3536  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3537  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3538  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3539  owl_global_set_direction_downwards(&g);
3540}
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