source: functions.c @ d222c44

release-1.8release-1.9
Last change on this file since d222c44 was d222c44, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
Kill owl_getquoting and fix quoting bugs That function is nonsense. Fix a number of quoting bugs relating to its use (and lack thereof). Also quote regex characters in CC narrows.
  • Property mode set to 100644
File size: 95.8 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#include "filterproc.h"
15
16char *owl_function_command(const char *cmdbuff)
17{
18  owl_function_debugmsg("executing command: %s", cmdbuff);
19  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
20                             owl_global_get_context(&g), cmdbuff);
21}
22
23char *owl_function_command_argv(const char *const *argv, int argc)
24{
25  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
26                                  owl_global_get_context(&g),
27                                  argv, argc);
28}
29
30void owl_function_command_norv(const char *cmdbuff)
31{
32  char *rv;
33  rv=owl_function_command(cmdbuff);
34  if (rv) owl_free(rv);
35}
36
37void owl_function_command_alias(const char *alias_from, const char *alias_to)
38{
39  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
40}
41
42const owl_cmd *owl_function_get_cmd(const char *name)
43{
44  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
45}
46
47void owl_function_show_commands(void)
48{
49  owl_list l;
50  owl_fmtext fm;
51
52  owl_fmtext_init_null(&fm);
53  owl_fmtext_append_bold(&fm, "Commands:  ");
54  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
55  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
56  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
57  owl_fmtext_append_normal(&fm, "\n");
58  owl_function_popless_fmtext(&fm);
59  owl_cmddict_namelist_cleanup(&l);
60  owl_fmtext_cleanup(&fm);
61}
62
63void owl_function_show_view(const char *viewname)
64{
65  const owl_view *v;
66  owl_fmtext fm;
67
68  /* we only have the one view right now */
69  v=owl_global_get_current_view(&g);
70  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
71    owl_function_error("No view named '%s'", viewname);
72    return;
73  }
74
75  owl_fmtext_init_null(&fm);
76  owl_view_to_fmtext(v, &fm);
77  owl_function_popless_fmtext(&fm);
78  owl_fmtext_cleanup(&fm);
79}
80
81void owl_function_show_styles(void) {
82  owl_list l;
83  owl_fmtext fm;
84
85  owl_fmtext_init_null(&fm);
86  owl_fmtext_append_bold(&fm, "Styles:\n");
87  owl_global_get_style_names(&g, &l);
88  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
89  owl_fmtext_append_normal(&fm, "\n");
90  owl_function_popless_fmtext(&fm);
91  owl_list_cleanup(&l, owl_free);
92  owl_fmtext_cleanup(&fm);
93}
94
95static void _owl_function_timer_append_fmtext(gpointer data, gpointer user_data) {
96  owl_fmtext *fm = user_data;
97  owl_timer *timer = data;
98  char *str = owl_sprintf("- %s: in %d seconds",
99                          timer->name ? timer->name : "(unnamed)",
100                          (int)(timer->time - time(NULL)));
101  owl_fmtext_append_normal(fm, str);
102  owl_free(str);
103  if (timer->interval) {
104    str = owl_sprintf(", repeat every %d seconds", timer->interval);
105    owl_fmtext_append_normal(fm, str);
106    owl_free(str);
107  }
108  owl_fmtext_append_normal(fm, "\n");
109}
110
111void owl_function_show_timers(void) {
112  owl_fmtext fm;
113  GList **timers;
114
115  owl_fmtext_init_null(&fm);
116  owl_fmtext_append_bold(&fm, "Active timers:\n");
117
118  timers = owl_global_get_timerlist(&g);
119  g_list_foreach(*timers, _owl_function_timer_append_fmtext, &fm);
120
121  owl_function_popless_fmtext(&fm);
122  owl_fmtext_cleanup(&fm);
123}
124
125char *owl_function_style_describe(const char *name) {
126  const char *desc;
127  char *s;
128  const owl_style *style;
129  style = owl_global_get_style_by_name(&g, name);
130  if (style) {
131    desc = owl_style_get_description(style);
132  } else {
133    desc = "???";
134  }
135  s = owl_sprintf("%-20s - %s%s", name, 
136                  0==owl_style_validate(style)?"":"[INVALID] ",
137                  desc);
138  return s;
139}
140
141char *owl_function_cmd_describe(const char *name)
142{
143  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
144  if (cmd) return owl_cmd_describe(cmd);
145  else return(NULL);
146}
147
148void owl_function_show_command(const char *name)
149{
150  owl_function_help_for_command(name);
151}
152
153void owl_function_show_license(void)
154{
155  const char *text;
156
157  text=""
158    "barnowl version " OWL_VERSION_STRING "\n"
159    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
160    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
161    "\n"
162    "Redistribution and use in source and binary forms, with or without\n"
163    "modification, are permitted provided that the following conditions are\n"
164    "met:\n"
165    "\n"
166    "   * Redistributions of source code must retain the above copyright\n"
167    "     notice, this list of conditions and the following disclaimer.\n"
168    "\n"
169    "   * Redistributions in binary form must reproduce the above copyright\n"
170    "     notice, this list of conditions and the following disclaimer in\n"
171    "     the documentation and/or other materials provided with the\n"
172    "     distribution.\n"
173    "\n"
174    "   * Redistributions in any form must be accompanied by information on\n"
175    "     how to obtain complete source code for the Owl software and any\n"
176    "     accompanying software that uses the Owl software. The source code\n"
177    "     must either be included in the distribution or be available for no\n"
178    "     more than the cost of distribution plus a nominal fee, and must be\n"
179    "     freely redistributable under reasonable conditions. For an\n"
180    "     executable file, complete source code means the source code for\n"
181    "     all modules it contains. It does not include source code for\n"
182    "     modules or files that typically accompany the major components of\n"
183    "     the operating system on which the executable file runs.\n"
184    "\n"
185    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
186    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
187    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
188    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
189    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
190    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
191    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
192    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
193    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
194    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
195    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
196  owl_function_popless_text(text);
197}
198
199void owl_function_show_quickstart(void)
200{
201    const char *message =
202    "Move between messages with the arrow keys, and press 'r' to reply.\n"
203    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
204#ifdef HAVE_LIBZEPHYR
205    "@b(Zephyr:)\n"
206    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
207    "press 'z' and then type the username. To subscribe to a class, type\n"
208    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
209#endif
210    "@b(AIM:)\n"
211    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
212    "or 'a' and then the screen name, to send someone a message.\n\n"
213    ;
214
215    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
216        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
217        if (perlquickstart) {
218            char *result = owl_sprintf("%s%s", message, perlquickstart);
219            owl_function_adminmsg("BarnOwl Quickstart", result);
220            owl_free(result);
221            owl_free(perlquickstart);
222            return;
223        }
224    }
225    owl_function_adminmsg("BarnOwl Quickstart", message);
226}
227
228
229/* Create an admin message, append it to the global list of messages
230 * and redisplay if necessary.
231 */
232void owl_function_adminmsg(const char *header, const char *body)
233{
234  owl_message *m;
235
236  m=owl_malloc(sizeof(owl_message));
237  owl_message_create_admin(m, header, body);
238 
239  /* add it to the global list and current view */
240  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
241  owl_view_consider_message(owl_global_get_current_view(&g), m);
242
243  /* do followlast if necessary */
244  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
245
246  /* redisplay etc. */
247  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
248}
249
250/* Create an outgoing zephyr message and return a pointer to it.  Does
251 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
252 * that.
253 */
254owl_message *owl_function_make_outgoing_zephyr(const owl_zwrite *z)
255{
256  owl_message *m;
257
258  /* create the message */
259  m=owl_malloc(sizeof(owl_message));
260  owl_message_create_from_zwrite(m, z, owl_zwrite_get_message(z));
261
262  return(m);
263}
264
265/* Create an outgoing AIM message, returns a pointer to the created
266 * message or NULL if we're not logged into AIM (and thus unable to
267 * create the message).  Does not put it on the global queue.  Use
268 * owl_global_messagequeue_addmsg() for that .
269 */
270owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
271{
272  owl_message *m;
273
274  /* error if we're not logged into aim */
275  if (!owl_global_is_aimloggedin(&g)) return(NULL);
276 
277  m=owl_malloc(sizeof(owl_message));
278  owl_message_create_aim(m,
279                         owl_global_get_aim_screenname(&g),
280                         to,
281                         body,
282                         OWL_MESSAGE_DIRECTION_OUT,
283                         0);
284  return(m);
285}
286
287/* Create an outgoing loopback message and return a pointer to it.
288 * Does not append it to the global queue, use
289 * owl_global_messagequeue_addmsg() for that.
290 */
291owl_message *owl_function_make_outgoing_loopback(const char *body)
292{
293  owl_message *m;
294
295  /* create the message */
296  m=owl_malloc(sizeof(owl_message));
297  owl_message_create_loopback(m, body);
298  owl_message_set_direction_out(m);
299
300  return(m);
301}
302
303void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
304{
305  owl_editwin *e;
306  owl_context *ctx;
307  char *s;
308
309  /* create and setup the editwin */
310  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
311                                   owl_global_get_msg_history(&g));
312  owl_editwin_set_dotsend(e);
313  s = owl_sprintf("----> %s\n", line);
314  owl_editwin_set_locktext(e, s);
315  owl_free(s);
316
317  owl_editwin_set_cbdata(e, data, cleanup);
318  owl_editwin_set_callback(e, callback);
319  ctx = owl_editcontext_new(OWL_CTX_EDITMULTI, e, "editmulti",
320                            owl_global_deactivate_editcontext, &g);
321  owl_global_push_context_obj(&g, ctx);
322
323}
324
325static void owl_function_write_setup(const char *noun)
326{
327
328  if (!owl_global_get_lockout_ctrld(&g))
329    owl_function_makemsg("Type your %s below.  "
330                         "End with ^D or a dot on a line by itself."
331                         "  ^C will quit.", noun);
332  else
333    owl_function_makemsg("Type your %s below.  "
334                         "End with a dot on a line by itself.  ^C will quit.",
335                         noun);
336}
337
338void owl_function_zwrite_setup(owl_zwrite *z)
339{
340  /* send a ping if necessary */
341  if (owl_global_is_txping(&g)) {
342    owl_zwrite_send_ping(z);
343  }
344
345
346  owl_function_write_setup("zephyr");
347  owl_function_start_edit_win(z->zwriteline,
348                              &owl_callback_zwrite,
349                              z, (void(*)(void*))owl_zwrite_delete);
350}
351
352void owl_function_aimwrite_setup(const char *line)
353{
354  owl_function_write_setup("message");
355  owl_function_start_edit_win(line,
356                              &owl_callback_aimwrite,
357                              owl_strdup(line),
358                              owl_free);
359
360}
361
362void owl_function_loopwrite_setup(void)
363{
364  owl_function_write_setup("message");
365  owl_function_start_edit_win("loopwrite",
366                              &owl_callback_loopwrite,
367                              NULL, NULL);
368}
369
370void owl_callback_zwrite(owl_editwin *e) {
371  owl_zwrite *z = owl_editwin_get_cbdata(e);
372  owl_function_zwrite(z, owl_editwin_get_text(e));
373}
374
375/* send, log and display an outgoing zephyr.  If 'msg' is NULL
376 * the message is expected to be set from the zwrite line itself
377 */
378void owl_function_zwrite(owl_zwrite *z, const char *msg)
379{
380  owl_message *m;
381  int ret;
382
383  if(strcmp(z->cmd, "zcrypt") == 0) {
384    owl_function_zcrypt(z, msg);
385    return;
386  }
387
388  /* create the zwrite and send the message */
389  owl_zwrite_populate_zsig(z);
390  if (msg) {
391    owl_zwrite_set_message(z, msg);
392  }
393  ret = owl_zwrite_send_message(z);
394  if (ret != 0) {
395    owl_function_makemsg("Error sending zephyr: %s", error_message(ret));
396    return;
397  }
398  owl_function_makemsg("Waiting for ack...");
399
400  /* If it's personal */
401  if (owl_zwrite_is_personal(z)) {
402    /* create the outgoing message */
403    m=owl_function_make_outgoing_zephyr(z);
404
405    if (m) {
406      owl_global_messagequeue_addmsg(&g, m);
407    } else {
408      owl_function_error("Could not create outgoing zephyr message");
409    }
410  }
411}
412
413/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
414 * the message is expected to be set from the zwrite line itself
415 */
416void owl_function_zcrypt(owl_zwrite *z, const char *msg)
417{
418  char *cryptmsg;
419  owl_message *m;
420  const char *argv[7];
421  char *zcrypt;
422  int rv, status;
423  char *old_msg;
424
425  /* create the zwrite and send the message */
426  owl_zwrite_populate_zsig(z);
427  if (msg) {
428    owl_zwrite_set_message(z, msg);
429  }
430  old_msg = owl_strdup(owl_zwrite_get_message(z));
431
432  zcrypt = owl_sprintf("%s/zcrypt", owl_get_bindir());
433  argv[0] = "zcrypt";
434  argv[1] = "-E";
435  argv[2] = "-c"; argv[3] = owl_zwrite_get_class(z);
436  argv[4] = "-i"; argv[5] = owl_zwrite_get_instance(z);
437  argv[6] = NULL;
438
439  rv = call_filter(zcrypt, argv, owl_zwrite_get_message(z), &cryptmsg, &status);
440
441  owl_free(zcrypt);
442
443  if (rv || status) {
444    if(cryptmsg) owl_free(cryptmsg);
445    owl_free(old_msg);
446    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
447    owl_function_beep();
448    return;
449  }
450
451  owl_zwrite_set_message_raw(z, cryptmsg);
452  owl_zwrite_set_opcode(z, "crypt");
453
454  owl_zwrite_send_message(z);
455  owl_function_makemsg("Waiting for ack...");
456
457  /* If it's personal */
458  if (owl_zwrite_is_personal(z)) {
459    /* Create the outgoing message. Restore the un-crypted message for display. */
460    owl_zwrite_set_message_raw(z, old_msg);
461    m=owl_function_make_outgoing_zephyr(z);
462    if (m) {
463      owl_global_messagequeue_addmsg(&g, m);
464    } else {
465      owl_function_error("Could not create outgoing zephyr message");
466    }
467  }
468
469  /* free the zwrite */
470  owl_free(cryptmsg);
471}
472
473void owl_callback_aimwrite(owl_editwin *e) {
474  char *command = owl_editwin_get_cbdata(e);
475  owl_function_aimwrite(command,
476                        owl_editwin_get_text(e));
477}
478
479void owl_function_aimwrite(const char *line, const char *msg)
480{
481  int ret;
482  const char *to;
483  char *format_msg;
484  owl_message *m;
485
486  to = line + 9;
487
488  /* make a formatted copy of the message */
489  format_msg=owl_strdup(msg);
490  owl_text_wordunwrap(format_msg);
491 
492  /* send the message */
493  ret=owl_aim_send_im(to, format_msg);
494  if (!ret) {
495    owl_function_makemsg("AIM message sent.");
496  } else {
497    owl_function_error("Could not send AIM message.");
498  }
499
500  /* create the outgoing message */
501  m=owl_function_make_outgoing_aim(msg, to);
502
503  if (m) {
504    owl_global_messagequeue_addmsg(&g, m);
505  } else {
506    owl_function_error("Could not create outgoing AIM message");
507  }
508
509  owl_free(format_msg);
510}
511
512void owl_function_send_aimawymsg(const char *to, const char *msg)
513{
514  int ret;
515  char *format_msg;
516  owl_message *m;
517
518  /* make a formatted copy of the message */
519  format_msg=owl_strdup(msg);
520  owl_text_wordunwrap(format_msg);
521 
522  /* send the message */
523  ret=owl_aim_send_awaymsg(to, format_msg);
524  if (!ret) {
525    /* owl_function_makemsg("AIM message sent."); */
526  } else {
527    owl_function_error("Could not send AIM message.");
528  }
529
530  /* create the message */
531  m=owl_function_make_outgoing_aim(msg, to);
532  if (m) {
533    owl_global_messagequeue_addmsg(&g, m);
534  } else {
535    owl_function_error("Could not create AIM message");
536  }
537  owl_free(format_msg);
538}
539
540void owl_callback_loopwrite(owl_editwin *e) {
541  owl_function_loopwrite(owl_editwin_get_text(e));
542}
543
544void owl_function_loopwrite(const char *msg)
545{
546  owl_message *min, *mout;
547
548  /* create a message and put it on the message queue.  This simulates
549   * an incoming message */
550  min=owl_malloc(sizeof(owl_message));
551  mout=owl_function_make_outgoing_loopback(msg);
552
553  if (owl_global_is_displayoutgoing(&g)) {
554    owl_global_messagequeue_addmsg(&g, mout);
555  } else {
556    owl_message_delete(mout);
557  }
558
559  owl_message_create_loopback(min, msg);
560  owl_message_set_direction_in(min);
561  owl_global_messagequeue_addmsg(&g, min);
562
563  /* fake a makemsg */
564  owl_function_makemsg("loopback message sent");
565}
566
567/* If filter is non-null, looks for the next message matching
568 * that filter.  If skip_deleted, skips any deleted messages.
569 * If last_if_none, will stop at the last message in the view
570 * if no matching messages are found.  */
571void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
572{
573  int curmsg, i, viewsize, found;
574  const owl_view *v;
575  const owl_filter *f = NULL;
576  const owl_message *m;
577
578  v=owl_global_get_current_view(&g);
579
580  if (filter) {
581    f=owl_global_get_filter(&g, filter);
582    if (!f) {
583      owl_function_error("No %s filter defined", filter);
584      return;
585    }
586  }
587
588  curmsg=owl_global_get_curmsg(&g);
589  viewsize=owl_view_get_size(v);
590  found=0;
591
592  /* just check to make sure we're in bounds... */
593  if (curmsg>viewsize-1) curmsg=viewsize-1;
594  if (curmsg<0) curmsg=0;
595
596  for (i=curmsg+1; i<viewsize; i++) {
597    m=owl_view_get_element(v, i);
598    if (skip_deleted && owl_message_is_delete(m)) continue;
599    if (f && !owl_filter_message_match(f, m)) continue;
600    found = 1;
601    break;
602  }
603
604  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
605  if (i<0) i=0;
606
607  if (!found) {
608    owl_function_makemsg("already at last%s message%s%s%s",
609                         skip_deleted?" non-deleted":"",
610                         filter?" in ":"", filter?filter:"",
611                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
612                         ", press Enter to scroll" : "");
613    /* if (!skip_deleted) owl_function_beep(); */
614  }
615
616  if (last_if_none || found) {
617    owl_global_set_curmsg(&g, i);
618    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
619    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
620    owl_global_set_direction_downwards(&g);
621  }
622}
623
624void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
625{
626  int curmsg, i, found;
627  const owl_view *v;
628  const owl_filter *f = NULL;
629  const owl_message *m;
630
631  v=owl_global_get_current_view(&g);
632
633  if (filter) {
634    f=owl_global_get_filter(&g, filter);
635    if (!f) {
636      owl_function_error("No %s filter defined", filter);
637      return;
638    }
639  }
640
641  curmsg=owl_global_get_curmsg(&g);
642  found=0;
643
644  /* just check to make sure we're in bounds... */
645  if (curmsg<0) curmsg=0;
646
647  for (i=curmsg-1; i>=0; i--) {
648    m=owl_view_get_element(v, i);
649    if (skip_deleted && owl_message_is_delete(m)) continue;
650    if (f && !owl_filter_message_match(f, m)) continue;
651    found = 1;
652    break;
653  }
654
655  if (i<0) i=0;
656
657  if (!found) {
658    owl_function_makemsg("already at first%s message%s%s",
659                         skip_deleted?" non-deleted":"",
660                         filter?" in ":"", filter?filter:"");
661    /* if (!skip_deleted) owl_function_beep(); */
662  }
663
664  if (first_if_none || found) {
665    owl_global_set_curmsg(&g, i);
666    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
667    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
668    owl_global_set_direction_upwards(&g);
669  }
670}
671
672void owl_function_nextmsg(void)
673{
674  owl_function_nextmsg_full(NULL, 0, 1);
675}
676
677void owl_function_prevmsg(void)
678{
679  owl_function_prevmsg_full(NULL, 0, 1);
680}
681
682void owl_function_nextmsg_notdeleted(void)
683{
684  owl_function_nextmsg_full(NULL, 1, 1);
685}
686
687void owl_function_prevmsg_notdeleted(void)
688{
689  owl_function_prevmsg_full(NULL, 1, 1);
690}
691
692/* if move_after is 1, moves after the delete */
693void owl_function_deletecur(int move_after)
694{
695  int curmsg;
696  owl_view *v;
697
698  v=owl_global_get_current_view(&g);
699
700  /* bail if there's no current message */
701  if (owl_view_get_size(v) < 1) {
702    owl_function_error("No current message to delete");
703    return;
704  }
705
706  /* mark the message for deletion */
707  curmsg=owl_global_get_curmsg(&g);
708  owl_view_delete_element(v, curmsg);
709
710  if (move_after) {
711    /* move the poiner in the appropriate direction
712     * to the next undeleted msg */
713    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
714      owl_function_prevmsg_notdeleted();
715    } else {
716      owl_function_nextmsg_notdeleted();
717    }
718  }
719}
720
721void owl_function_undeletecur(int move_after)
722{
723  int curmsg;
724  owl_view *v;
725
726  v=owl_global_get_current_view(&g);
727 
728  if (owl_view_get_size(v) < 1) {
729    owl_function_error("No current message to undelete");
730    return;
731  }
732  curmsg=owl_global_get_curmsg(&g);
733
734  owl_view_undelete_element(v, curmsg);
735
736  if (move_after) {
737    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
738      if (curmsg>0) {
739        owl_function_prevmsg();
740      } else {
741        owl_function_nextmsg();
742      }
743    } else {
744      owl_function_nextmsg();
745    }
746  }
747
748  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
749}
750
751void owl_function_expunge(void)
752{
753  int curmsg;
754  const owl_message *m;
755  owl_messagelist *ml;
756  owl_view *v;
757  int lastmsgid=0;
758
759  curmsg=owl_global_get_curmsg(&g);
760  v=owl_global_get_current_view(&g);
761  ml=owl_global_get_msglist(&g);
762
763  m=owl_view_get_element(v, curmsg);
764  if (m) lastmsgid = owl_message_get_id(m);
765
766  /* expunge the message list */
767  owl_messagelist_expunge(ml);
768
769  /* update all views (we only have one right now) */
770  owl_view_recalculate(v);
771
772  /* find where the new position should be
773     (as close as possible to where we last where) */
774  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
775  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
776  if (curmsg<0) curmsg = 0;
777  owl_global_set_curmsg(&g, curmsg);
778  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
779  /* if there are no messages set the direction to down in case we
780     delete everything upwards */
781  owl_global_set_direction_downwards(&g);
782 
783  owl_function_makemsg("Messages expunged");
784  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
785}
786
787void owl_function_firstmsg(void)
788{
789  owl_global_set_curmsg(&g, 0);
790  owl_global_set_topmsg(&g, 0);
791  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
792  owl_global_set_direction_downwards(&g);
793}
794
795void owl_function_lastmsg_noredisplay(void)
796{
797  int oldcurmsg, curmsg;
798  const owl_view *v;
799
800  v=owl_global_get_current_view(&g);
801  oldcurmsg=owl_global_get_curmsg(&g);
802  curmsg=owl_view_get_size(v)-1; 
803  if (curmsg<0) curmsg=0;
804  owl_global_set_curmsg(&g, curmsg);
805  if (oldcurmsg < curmsg) {
806    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
807  } else if (curmsg<owl_view_get_size(v)) {
808    /* If already at the end, blank the screen and move curmsg
809     * past the end of the messages. */
810    owl_global_set_topmsg(&g, curmsg+1);
811    owl_global_set_curmsg(&g, curmsg+1);
812  } 
813  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
814  owl_global_set_direction_downwards(&g);
815}
816
817void owl_function_lastmsg(void)
818{
819  owl_function_lastmsg_noredisplay();
820  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
821}
822
823void owl_function_shift_right(void)
824{
825  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
826}
827
828void owl_function_shift_left(void)
829{
830  int shift;
831
832  shift=owl_global_get_rightshift(&g);
833  if (shift > 0) {
834    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
835  } else {
836    owl_function_beep();
837    owl_function_makemsg("Already full left");
838  }
839}
840
841void owl_function_unsuball(void)
842{
843  unsuball();
844  owl_function_makemsg("Unsubscribed from all messages.");
845}
846
847
848/* Load zephyr subscriptions from the named 'file' and load zephyr's
849 * default subscriptions as well.  An error message is printed if
850 * 'file' can't be opened or if zephyr reports an error in
851 * subscribing.
852 *
853 * If 'file' is NULL, this look for the default filename
854 * $HOME/.zephyr.subs.  If the file can not be opened in this case
855 * only, no error message is printed.
856 */
857void owl_function_loadsubs(const char *file)
858{
859  int ret, ret2;
860  const char *foo;
861  char *path;
862
863  if (file==NULL) {
864    ret=owl_zephyr_loadsubs(NULL, 0);
865  } else {
866    path = owl_util_makepath(file);
867    ret=owl_zephyr_loadsubs(path, 1);
868    owl_free(path);
869  }
870
871  /* for backwards compatibility for now */
872  ret2=owl_zephyr_loaddefaultsubs();
873
874  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
875
876  foo=file?file:"file";
877  if (ret==0 && ret2==0) {
878    if (!file) {
879      owl_function_makemsg("Subscribed to messages.");
880    } else {
881      owl_function_makemsg("Subscribed to messages from %s", file);
882    }
883  } else if (ret==-1) {
884    owl_function_error("Could not read %s", foo);
885  } else {
886    owl_function_error("Error subscribing to messages");
887  }
888}
889
890void owl_function_loadloginsubs(const char *file)
891{
892  int ret;
893
894  ret=owl_zephyr_loadloginsubs(file);
895
896  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
897  if (ret==0) {
898  } else if (ret==-1) {
899    owl_function_error("Could not open file for login subscriptions.");
900  } else {
901    owl_function_error("Error subscribing to login messages from file.");
902  }
903}
904
905void owl_callback_aimlogin(owl_editwin *e) {
906  char *user = owl_editwin_get_cbdata(e);
907  owl_function_aimlogin(user,
908                        owl_editwin_get_text(e));
909}
910
911void owl_function_aimlogin(const char *user, const char *passwd) {
912  int ret;
913
914  /* clear the buddylist */
915  owl_buddylist_clear(owl_global_get_buddylist(&g));
916
917  /* try to login */
918  ret=owl_aim_login(user, passwd);
919  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
920}
921
922void owl_function_suspend(void)
923{
924  endwin();
925  printf("\n");
926  kill(getpid(), SIGSTOP);
927
928  /* resize to reinitialize all the windows when we come back */
929  owl_command_resize();
930}
931
932void owl_function_zaway_toggle(void)
933{
934  if (!owl_global_is_zaway(&g)) {
935    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
936    owl_function_zaway_on();
937  } else {
938    owl_function_zaway_off();
939  }
940}
941
942void owl_function_zaway_on(void)
943{
944  owl_global_set_zaway_on(&g);
945  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
946}
947
948void owl_function_zaway_off(void)
949{
950  owl_global_set_zaway_off(&g);
951  owl_function_makemsg("zaway off");
952}
953
954void owl_function_aaway_toggle(void)
955{
956  if (!owl_global_is_aaway(&g)) {
957    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
958    owl_function_aaway_on();
959  } else {
960    owl_function_aaway_off();
961  }
962}
963
964void owl_function_aaway_on(void)
965{
966  owl_global_set_aaway_on(&g);
967  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
968  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
969}
970
971void owl_function_aaway_off(void)
972{
973  owl_global_set_aaway_off(&g);
974  /* owl_aim_set_awaymsg(""); */
975  owl_function_makemsg("AIM away off");
976}
977
978void owl_function_quit(void)
979{
980  char *ret;
981 
982  /* zlog out if we need to */
983  if (owl_global_is_havezephyr(&g) &&
984      owl_global_is_shutdownlogout(&g)) {
985    owl_zephyr_zlog_out();
986  }
987
988  /* execute the commands in shutdown */
989  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
990  if (ret) owl_free(ret);
991
992  /* signal our child process, if any */
993  if (owl_global_get_newmsgproc_pid(&g)) {
994    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
995  }
996 
997  /* Quit AIM */
998  if (owl_global_is_aimloggedin(&g)) {
999    owl_aim_logout();
1000  }
1001
1002  owl_function_debugmsg("Quitting Owl");
1003  owl_select_quit_loop();
1004}
1005
1006void owl_function_calculate_topmsg(int direction)
1007{
1008  int recwinlines, topmsg, curmsg;
1009  const owl_view *v;
1010
1011  v=owl_global_get_current_view(&g);
1012  curmsg=owl_global_get_curmsg(&g);
1013  topmsg=owl_global_get_topmsg(&g);
1014  recwinlines=owl_global_get_recwin_lines(&g);
1015
1016  /*
1017  if (owl_view_get_size(v) < 1) {
1018    return;
1019  }
1020  */
1021
1022  switch (owl_global_get_scrollmode(&g)) {
1023  case OWL_SCROLLMODE_TOP:
1024    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1025    break;
1026  case OWL_SCROLLMODE_NEARTOP:
1027    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1028    break;
1029  case OWL_SCROLLMODE_CENTER:
1030    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1031    break;
1032  case OWL_SCROLLMODE_PAGED:
1033    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1034    break;
1035  case OWL_SCROLLMODE_PAGEDCENTER:
1036    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1037    break;
1038  case OWL_SCROLLMODE_NORMAL:
1039  default:
1040    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1041  }
1042  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1043  owl_global_set_topmsg(&g, topmsg);
1044}
1045
1046/* Returns what the new topmsg should be. 
1047 * Passed the last direction of movement,
1048 * the current view,
1049 * the current message number in the view,
1050 * the top message currently being displayed,
1051 * and the number of lines in the recwin.
1052 */
1053int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1054{
1055  return(curmsg);
1056}
1057
1058int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1059{
1060  if (curmsg>0 
1061      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1062          <  recwinlines/2)) {
1063    return(curmsg-1);
1064  } else {
1065    return(curmsg);
1066  }
1067}
1068 
1069int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1070{
1071  int i, last, lines;
1072
1073  last = curmsg;
1074  lines = 0;
1075  for (i=curmsg-1; i>=0; i--) {
1076    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1077    if (lines > recwinlines/2) break;
1078    last = i;
1079  }
1080  return(last);
1081}
1082 
1083int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1084{
1085  int i, last, lines, savey;
1086 
1087  /* If we're off the top of the screen, scroll up such that the
1088   * curmsg is near the botton of the screen. */
1089  if (curmsg < topmsg) {
1090    last = curmsg;
1091    lines = 0;
1092    for (i=curmsg; i>=0; i--) {
1093      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1094      if (lines > recwinlines) break;
1095    last = i;
1096    }
1097    if (center_on_page) {
1098      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1099    } else {
1100      return(last);
1101    }
1102  }
1103
1104  /* Find number of lines from top to bottom of curmsg (store in savey) */
1105  savey=0;
1106  for (i=topmsg; i<=curmsg; i++) {
1107    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1108  }
1109
1110  /* if we're off the bottom of the screen, scroll down */
1111  if (savey > recwinlines) {
1112    if (center_on_page) {
1113      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1114    } else {
1115      return(curmsg);
1116    }
1117  }
1118
1119  /* else just stay as we are... */
1120  return(topmsg);
1121}
1122
1123int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1124{
1125  int savey, i, foo, y;
1126
1127  if (curmsg<0) return(topmsg);
1128   
1129  /* If we're off the top of the screen then center */
1130  if (curmsg<topmsg) {
1131    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1132  }
1133
1134  /* If curmsg is so far past topmsg that there are more messages than
1135     lines, skip the line counting that follows because we're
1136     certainly off screen.  */
1137  savey=curmsg-topmsg;
1138  if (savey <= recwinlines) {
1139    /* Find number of lines from top to bottom of curmsg (store in savey) */
1140    savey = 0;
1141    for (i=topmsg; i<=curmsg; i++) {
1142      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1143    }
1144  }
1145
1146  /* If we're off the bottom of the screen, set the topmsg to curmsg
1147   * and scroll upwards */
1148  if (savey > recwinlines) {
1149    topmsg=curmsg;
1150    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1151    direction=OWL_DIRECTION_UPWARDS;
1152  }
1153 
1154  /* If our bottom line is less than 1/4 down the screen then scroll up */
1155  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1156    if (savey < (recwinlines / 4)) {
1157      y=0;
1158      for (i=curmsg; i>=0; i--) {
1159        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1160        /* will we run the curmsg off the screen? */
1161        if ((foo+y) >= recwinlines) {
1162          i++;
1163          if (i>curmsg) i=curmsg;
1164          break;
1165        }
1166        /* have saved 1/2 the screen space? */
1167        y+=foo;
1168        if (y > (recwinlines / 2)) break;
1169      }
1170      if (i<0) i=0;
1171      return(i);
1172    }
1173  }
1174
1175  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1176    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1177    if (savey > ((recwinlines * 3)/4)) {
1178      y=0;
1179      /* count lines from the top until we can save 1/2 the screen size */
1180      for (i=topmsg; i<curmsg; i++) {
1181        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1182        if (y > (recwinlines / 2)) break;
1183      }
1184      if (i==curmsg) {
1185        i--;
1186      }
1187      return(i+1);
1188    }
1189  }
1190
1191  return(topmsg);
1192}
1193
1194void owl_function_resize(void)
1195{
1196  owl_global_set_resize_pending(&g);
1197}
1198
1199void owl_function_debugmsg(const char *fmt, ...)
1200{
1201  FILE *file;
1202  time_t now;
1203  va_list ap;
1204  va_start(ap, fmt);
1205
1206  if (!owl_global_is_debug_fast(&g))
1207    return;
1208
1209  file = owl_global_get_debug_file_handle(&g);
1210  if (!file) /* XXX should report this */
1211    return;
1212
1213  now = time(NULL);
1214
1215  fprintf(file, "[%d -  %.24s - %lds]: ",
1216          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1217  vfprintf(file, fmt, ap);
1218  putc('\n', file);
1219  fflush(file);
1220
1221  va_end(ap);
1222}
1223
1224void owl_function_beep(void)
1225{
1226  if (owl_global_is_bell(&g)) {
1227    beep();
1228  }
1229}
1230
1231int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1232{
1233  int ret;
1234
1235  ret=owl_zephyr_sub(class, inst, recip);
1236  if (ret) {
1237    owl_function_error("Error subscribing.");
1238  } else {
1239    owl_function_makemsg("Subscribed.");
1240  }
1241  return(ret);
1242}
1243
1244void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1245{
1246  int ret;
1247
1248  ret=owl_zephyr_unsub(class, inst, recip);
1249  if (ret) {
1250    owl_function_error("Error subscribing.");
1251  } else {
1252    owl_function_makemsg("Unsubscribed.");
1253  }
1254}
1255
1256static void _dirty_everything(owl_window *w) {
1257  if (!owl_window_is_realized(w))
1258    return;
1259  owl_window_dirty(w);
1260  owl_window_children_foreach(w, (GFunc)_dirty_everything, NULL);
1261}
1262
1263void owl_function_full_redisplay(void)
1264{
1265  /* Ask every widget to redraw itself. */
1266  _dirty_everything(owl_window_get_screen());
1267  /* Force ncurses to redisplay everything. */
1268  clearok(stdscr, TRUE);
1269}
1270
1271void owl_function_popless_text(const char *text)
1272{
1273  owl_popwin *pw;
1274  owl_viewwin *v;
1275
1276  if (owl_global_get_popwin(&g) || owl_global_get_viewwin(&g)) {
1277    owl_function_error("Popwin already in use.");
1278    return;
1279  }
1280  pw = owl_popwin_new();
1281  owl_global_set_popwin(&g, pw);
1282  owl_popwin_up(pw);
1283
1284  v = owl_viewwin_new_text(owl_popwin_get_content(pw), text);
1285  owl_global_set_viewwin(&g, v);
1286
1287  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless", NULL);
1288}
1289
1290void owl_function_popless_fmtext(const owl_fmtext *fm)
1291{
1292  owl_popwin *pw;
1293  owl_viewwin *v;
1294
1295  if (owl_global_get_popwin(&g) || owl_global_get_viewwin(&g)) {
1296    owl_function_error("Popwin already in use.");
1297    return;
1298  }
1299  pw = owl_popwin_new();
1300  owl_global_set_popwin(&g, pw);
1301  owl_popwin_up(pw);
1302
1303  v = owl_viewwin_new_fmtext(owl_popwin_get_content(pw), fm);
1304  owl_global_set_viewwin(&g, v);
1305
1306  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless", NULL);
1307}
1308
1309void owl_function_popless_file(const char *filename)
1310{
1311  owl_fmtext fm;
1312  FILE *file;
1313  char *s = NULL;
1314
1315  file=fopen(filename, "r");
1316  if (!file) {
1317    owl_function_error("Could not open file: %s", filename);
1318    return;
1319  }
1320
1321  owl_fmtext_init_null(&fm);
1322  while (owl_getline(&s, file))
1323    owl_fmtext_append_normal(&fm, s);
1324  owl_free(s);
1325
1326  owl_function_popless_fmtext(&fm);
1327  owl_fmtext_cleanup(&fm);
1328  fclose(file);
1329}
1330
1331void owl_function_about(void)
1332{
1333  owl_function_popless_text(
1334    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1335    "barnowl is a fork of the Owl zephyr client, written and\n"
1336    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1337    "Massachusetts Institute of Technology. \n"
1338    "\n"
1339    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1340    "released in March 2002.\n"
1341    "\n"
1342    "The name 'owl' was chosen in reference to the owls in the\n"
1343    "Harry Potter novels, who are tasked with carrying messages\n"
1344    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1345    "because we feel our owls should live closer to our ponies.\n"
1346    "\n"
1347    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
1348    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1349    "Copyright 2002 Massachusetts Institute of Technology\n"
1350    "\n"
1351    "This program is free software. You can redistribute it and/or\n"
1352    "modify under the terms of the Sleepycat License. Use the \n"
1353    "':show license' command to display the full license\n"
1354  );
1355}
1356
1357void owl_function_info(void)
1358{
1359  const owl_message *m;
1360  owl_fmtext fm, attrfm;
1361  const owl_view *v;
1362#ifdef HAVE_LIBZEPHYR
1363  const ZNotice_t *n;
1364#endif
1365
1366  owl_fmtext_init_null(&fm);
1367 
1368  v=owl_global_get_current_view(&g);
1369  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1370  if (!m || owl_view_get_size(v)==0) {
1371    owl_function_error("No message selected\n");
1372    return;
1373  }
1374
1375  owl_fmtext_append_bold(&fm, "General Information:\n");
1376  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1377
1378  owl_fmtext_append_normal(&fm, "  Type      : ");
1379  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1380  owl_fmtext_append_normal(&fm, "\n");
1381
1382  if (owl_message_is_direction_in(m)) {
1383    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1384  } else if (owl_message_is_direction_out(m)) {
1385    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1386  } else if (owl_message_is_direction_none(m)) {
1387    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1388  } else {
1389    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1390  }
1391
1392  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1393
1394  if (!owl_message_is_type_admin(m)) {
1395    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1396    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1397  }
1398
1399  if (owl_message_is_type_zephyr(m)) {
1400    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1401   
1402    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1403    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1404    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1405#ifdef HAVE_LIBZEPHYR
1406    if (owl_message_is_direction_in(m)) {
1407      char *ptr, tmpbuff[1024];
1408      int i, j, fields, len;
1409
1410      n=owl_message_get_notice(m);
1411
1412      if (!owl_message_is_pseudo(m)) {
1413        owl_fmtext_append_normal(&fm, "  Kind      : ");
1414        if (n->z_kind==UNSAFE) {
1415          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1416        } else if (n->z_kind==UNACKED) {
1417          owl_fmtext_append_normal(&fm, "UNACKED\n");
1418        } else if (n->z_kind==ACKED) {
1419          owl_fmtext_append_normal(&fm, "ACKED\n");
1420        } else if (n->z_kind==HMACK) {
1421          owl_fmtext_append_normal(&fm, "HMACK\n");
1422        } else if (n->z_kind==HMCTL) {
1423          owl_fmtext_append_normal(&fm, "HMCTL\n");
1424        } else if (n->z_kind==SERVACK) {
1425          owl_fmtext_append_normal(&fm, "SERVACK\n");
1426        } else if (n->z_kind==SERVNAK) {
1427          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1428        } else if (n->z_kind==CLIENTACK) {
1429          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1430        } else if (n->z_kind==STAT) {
1431          owl_fmtext_append_normal(&fm, "STAT\n");
1432        } else {
1433          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1434        }
1435      }
1436      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1437
1438      if (!owl_message_is_pseudo(m)) {
1439        owl_fmtext_append_normal(&fm, "\n");
1440        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1441        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1442
1443        /* FIXME make these more descriptive */
1444        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1445        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1446        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1447        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1448
1449        fields=owl_zephyr_get_num_fields(n);
1450        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1451
1452        for (i=0; i<fields; i++) {
1453          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1454          len=strlen(ptr);
1455          if (len<30) {
1456            strncpy(tmpbuff, ptr, len);
1457            tmpbuff[len]='\0';
1458          } else {
1459            strncpy(tmpbuff, ptr, 30);
1460            tmpbuff[30]='\0';
1461            strcat(tmpbuff, "...");
1462          }
1463          owl_free(ptr);
1464
1465          for (j=0; j<strlen(tmpbuff); j++) {
1466            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1467            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1468          }
1469
1470          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1471        }
1472        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1473      }
1474
1475    }
1476#endif
1477  }
1478
1479  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1480  owl_message_attributes_tofmtext(m, &attrfm);
1481  owl_fmtext_append_fmtext(&fm, &attrfm);
1482 
1483  owl_function_popless_fmtext(&fm);
1484  owl_fmtext_cleanup(&fm);
1485  owl_fmtext_cleanup(&attrfm);
1486}
1487
1488/* print the current message in a popup window.
1489 * Use the 'default' style regardless of whatever
1490 * style the user may be using
1491 */
1492void owl_function_curmsg_to_popwin(void)
1493{
1494  const owl_view *v;
1495  const owl_message *m;
1496  const owl_style *s;
1497  owl_fmtext fm;
1498
1499  v=owl_global_get_current_view(&g);
1500  s=owl_global_get_style_by_name(&g, "default");
1501
1502  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1503
1504  if (!m || owl_view_get_size(v)==0) {
1505    owl_function_error("No current message");
1506    return;
1507  }
1508
1509  owl_fmtext_init_null(&fm);
1510  owl_style_get_formattext(s, &fm, m);
1511
1512  owl_function_popless_fmtext(&fm);
1513  owl_fmtext_cleanup(&fm);
1514}
1515
1516void owl_function_page_curmsg(int step)
1517{
1518  /* scroll down or up within the current message IF the message is truncated */
1519
1520  int offset, curmsg, lines;
1521  const owl_view *v;
1522  owl_message *m;
1523
1524  offset=owl_global_get_curmsg_vert_offset(&g);
1525  v=owl_global_get_current_view(&g);
1526  curmsg=owl_global_get_curmsg(&g);
1527  m=owl_view_get_element(v, curmsg);
1528  if (!m || owl_view_get_size(v)==0) return;
1529  lines=owl_message_get_numlines(m);
1530
1531  if (offset==0) {
1532    /* Bail if the curmsg isn't the last one displayed */
1533    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1534      owl_function_makemsg("The entire message is already displayed");
1535      return;
1536    }
1537   
1538    /* Bail if we're not truncated */
1539    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1540      owl_function_makemsg("The entire message is already displayed");
1541      return;
1542    }
1543  }
1544 
1545 
1546  /* don't scroll past the last line */
1547  if (step>0) {
1548    if (offset+step > lines-1) {
1549      owl_global_set_curmsg_vert_offset(&g, lines-1);
1550    } else {
1551      owl_global_set_curmsg_vert_offset(&g, offset+step);
1552    }
1553  }
1554
1555  /* would we be before the beginning of the message? */
1556  if (step<0) {
1557    if (offset+step<0) {
1558      owl_global_set_curmsg_vert_offset(&g, 0);
1559    } else {
1560      owl_global_set_curmsg_vert_offset(&g, offset+step);
1561    }
1562  }
1563 
1564  /* redisplay */
1565  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1566}
1567
1568void owl_function_resize_typwin(int newsize)
1569{
1570  owl_global_set_typwin_lines(&g, newsize);
1571  owl_mainpanel_layout_contents(&g.mainpanel);
1572}
1573
1574void owl_function_mainwin_pagedown(void)
1575{
1576  int i;
1577
1578  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1579  if (i<0) return;
1580  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1581      && (owl_global_get_curmsg(&g) < i)
1582      && (i>0)) {
1583    i--;
1584  }
1585  owl_global_set_curmsg(&g, i);
1586  owl_function_nextmsg();
1587}
1588
1589void owl_function_mainwin_pageup(void)
1590{
1591  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1592  owl_function_prevmsg();
1593}
1594
1595void owl_function_getsubs(void)
1596{
1597  char *buff;
1598
1599  buff=owl_zephyr_getsubs();
1600
1601  if (buff) {
1602    owl_function_popless_text(buff);
1603  } else {
1604    owl_function_popless_text("Error getting subscriptions");
1605  }
1606           
1607  owl_free(buff);
1608}
1609
1610void owl_function_printallvars(void)
1611{
1612  const char *name;
1613  char var[LINE];
1614  owl_list varnames;
1615  int i, numvarnames;
1616  GString *str   = g_string_new("");
1617
1618  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1619  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1620  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1621  numvarnames = owl_list_get_size(&varnames);
1622  for (i=0; i<numvarnames; i++) {
1623    name = owl_list_get_element(&varnames, i);
1624    if (name && name[0]!='_') {
1625      g_string_append_printf(str, "\n%-20s = ", name);
1626      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1627      g_string_append(str, var);
1628    }
1629  }
1630  g_string_append(str, "\n");
1631  owl_variable_dict_namelist_cleanup(&varnames);
1632
1633  owl_function_popless_text(str->str);
1634  g_string_free(str, true);
1635}
1636
1637void owl_function_show_variables(void)
1638{
1639  owl_list varnames;
1640  owl_fmtext fm; 
1641  int i, numvarnames;
1642  const char *varname;
1643
1644  owl_fmtext_init_null(&fm);
1645  owl_fmtext_append_bold(&fm, 
1646      "Variables: (use 'show variable <name>' for details)\n");
1647  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1648  numvarnames = owl_list_get_size(&varnames);
1649  for (i=0; i<numvarnames; i++) {
1650    varname = owl_list_get_element(&varnames, i);
1651    if (varname && varname[0]!='_') {
1652      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1653    }
1654  }
1655  owl_variable_dict_namelist_cleanup(&varnames);
1656  owl_function_popless_fmtext(&fm);
1657  owl_fmtext_cleanup(&fm);
1658}
1659
1660void owl_function_show_variable(const char *name)
1661{
1662  owl_fmtext fm; 
1663
1664  owl_fmtext_init_null(&fm);
1665  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1666  owl_function_popless_fmtext(&fm);
1667  owl_fmtext_cleanup(&fm);
1668}
1669
1670/* note: this applies to global message list, not to view.
1671 * If flag is 1, deletes.  If flag is 0, undeletes. */
1672void owl_function_delete_by_id(int id, int flag)
1673{
1674  const owl_messagelist *ml;
1675  owl_message *m;
1676  ml = owl_global_get_msglist(&g);
1677  m = owl_messagelist_get_by_id(ml, id);
1678  if (m) {
1679    if (flag == 1) {
1680      owl_message_mark_delete(m);
1681    } else if (flag == 0) {
1682      owl_message_unmark_delete(m);
1683    }
1684    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1685  } else {
1686    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1687  }
1688}
1689
1690void owl_function_delete_automsgs(void)
1691{
1692  /* mark for deletion all messages in the current view that match the
1693   * 'trash' filter */
1694
1695  int i, j, count;
1696  owl_message *m;
1697  const owl_view *v;
1698  const owl_filter *f;
1699
1700  /* get the trash filter */
1701  f=owl_global_get_filter(&g, "trash");
1702  if (!f) {
1703    owl_function_error("No trash filter defined");
1704    return;
1705  }
1706
1707  v=owl_global_get_current_view(&g);
1708
1709  count=0;
1710  j=owl_view_get_size(v);
1711  for (i=0; i<j; i++) {
1712    m=owl_view_get_element(v, i);
1713    if (owl_filter_message_match(f, m)) {
1714      count++;
1715      owl_message_mark_delete(m);
1716    }
1717  }
1718  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1719  owl_function_makemsg("%i messages marked for deletion", count);
1720}
1721
1722void owl_function_status(void)
1723{
1724  char buff[MAXPATHLEN+1];
1725  time_t start;
1726  int up, days, hours, minutes;
1727  owl_fmtext fm;
1728
1729  owl_fmtext_init_null(&fm);
1730
1731  start=owl_global_get_starttime(&g);
1732
1733  owl_fmtext_append_normal(&fm, "General Information:\n");
1734
1735  owl_fmtext_append_normal(&fm, "  Version: ");
1736  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1737  owl_fmtext_append_normal(&fm, "\n");
1738
1739  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1740  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1741  owl_fmtext_append_normal(&fm, "\n");
1742
1743  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1744  if(getcwd(buff, MAXPATHLEN) == NULL) {
1745    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1746  } else {
1747    owl_fmtext_append_normal(&fm, buff);
1748  }
1749  owl_fmtext_append_normal(&fm, "\n");
1750
1751  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1752
1753  up=owl_global_get_runtime(&g);
1754  days=up/86400;
1755  up-=days*86400;
1756  hours=up/3600;
1757  up-=hours*3600;
1758  minutes=up/60;
1759  up-=minutes*60;
1760  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1761
1762  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1763  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1764  if (owl_global_is_havezephyr(&g)) {
1765    owl_fmtext_append_normal(&fm, "yes\n");
1766  } else {
1767    owl_fmtext_append_normal(&fm, "no\n");
1768  }
1769  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1770  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1771
1772
1773  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1774  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1775#if OWL_STDERR_REDIR
1776  owl_fmtext_append_normal(&fm, "yes\n");
1777#else
1778  owl_fmtext_append_normal(&fm, "no\n");
1779#endif
1780 
1781
1782  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1783  owl_fmtext_append_normal(&fm, "  Logged in: ");
1784  if (owl_global_is_aimloggedin(&g)) {
1785    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1786    owl_fmtext_append_normal(&fm, "\n");
1787  } else {
1788    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1789  }
1790
1791  owl_fmtext_append_normal(&fm, "  Processing events: ");
1792  if (owl_global_is_doaimevents(&g)) {
1793    owl_fmtext_append_normal(&fm, "yes\n");
1794  } else {
1795    owl_fmtext_append_normal(&fm, "no\n");
1796  }
1797
1798  owl_function_popless_fmtext(&fm);
1799  owl_fmtext_cleanup(&fm);
1800}
1801
1802void owl_function_show_term(void)
1803{
1804  owl_fmtext fm;
1805
1806  owl_fmtext_init_null(&fm);
1807  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1808          owl_global_get_lines(&g),
1809          owl_global_get_cols(&g));
1810
1811  if (owl_global_get_hascolors(&g)) {
1812    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1813    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1814    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1815  } else {
1816    owl_fmtext_append_normal(&fm, "Color: No\n");
1817  }
1818
1819  owl_function_popless_fmtext(&fm);
1820  owl_fmtext_cleanup(&fm);
1821}
1822
1823/* if type = 0 then normal reply.
1824 * if type = 1 then it's a reply to sender
1825 * if enter = 0 then allow the command to be edited
1826 * if enter = 1 then don't wait for editing
1827 */
1828void owl_function_reply(int type, int enter)
1829{
1830  char *buff=NULL;
1831  const owl_message *m;
1832  const owl_filter *f;
1833 
1834  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1835    owl_function_error("No message selected");
1836  } else {
1837    char *cmd;
1838   
1839    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1840    if (!m) {
1841      owl_function_error("No message selected");
1842      return;
1843    }
1844
1845    /* first check if we catch the reply-lockout filter */
1846    f=owl_global_get_filter(&g, "reply-lockout");
1847    if (f) {
1848      if (owl_filter_message_match(f, m)) {
1849        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1850        return;
1851      }
1852    }
1853
1854    /* then check if it's a question and just bring up the command prompt */
1855    if (owl_message_is_question(m)) {
1856      owl_function_start_command("");
1857      return;
1858    }
1859
1860    if((type == 0 &&
1861        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1862       (type == 1 &&
1863        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1864      buff = cmd;
1865    }
1866
1867    if(!buff) {
1868        owl_function_error("I don't know how to reply to that message.");
1869        return;
1870    }
1871
1872    if (enter) {
1873      owl_history *hist = owl_global_get_cmd_history(&g);
1874      owl_history_store(hist, buff);
1875      owl_history_reset(hist);
1876      owl_function_command_norv(buff);
1877    } else {
1878      owl_function_start_command(buff);
1879    }
1880    owl_free(buff);
1881  }
1882}
1883
1884void owl_function_zlocate(int argc, const char *const *argv, int auth)
1885{
1886  owl_fmtext fm;
1887  char *ptr;
1888  char *result;
1889  int i;
1890
1891  owl_fmtext_init_null(&fm);
1892
1893  for (i=0; i<argc; i++) {
1894    ptr = long_zuser(argv[i]);
1895    result = owl_zephyr_zlocate(ptr, auth);
1896    owl_fmtext_append_normal(&fm, result);
1897    owl_free(result);
1898    owl_free(ptr);
1899  }
1900
1901  owl_function_popless_fmtext(&fm);
1902  owl_fmtext_cleanup(&fm);
1903}
1904
1905void owl_callback_command(owl_editwin *e)
1906{
1907  char *rv;
1908  const char *line = owl_editwin_get_text(e);
1909
1910  rv = owl_function_command(line);
1911   if (rv) {
1912    owl_function_makemsg("%s", rv);
1913    owl_free(rv);
1914  }
1915}
1916
1917void owl_function_start_command(const char *line)
1918{
1919  owl_editwin *tw;
1920  owl_context *ctx;
1921
1922  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1923
1924  owl_editwin_set_locktext(tw, "command: ");
1925
1926  owl_editwin_insert_string(tw, line);
1927
1928  ctx = owl_editcontext_new(OWL_CTX_EDITLINE, tw, "editline",
1929                            owl_global_deactivate_editcontext, &g);
1930  owl_global_push_context_obj(&g, ctx);
1931  owl_editwin_set_callback(tw, owl_callback_command);
1932}
1933
1934owl_editwin *owl_function_start_question(const char *line)
1935{
1936  owl_editwin *tw;
1937  owl_context *ctx;
1938
1939  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1940
1941  owl_editwin_set_locktext(tw, line);
1942
1943  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
1944                            owl_global_deactivate_editcontext, &g);
1945  owl_global_push_context_obj(&g, ctx);
1946  return tw;
1947}
1948
1949owl_editwin *owl_function_start_password(const char *line)
1950{
1951  owl_editwin *tw;
1952  owl_context *ctx;
1953
1954  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1955
1956  owl_editwin_set_echochar(tw, '*');
1957
1958  owl_editwin_set_locktext(tw, line);
1959
1960  ctx = owl_editcontext_new(OWL_CTX_EDITRESPONSE, tw, "editresponse",
1961                            owl_global_deactivate_editcontext, &g);
1962  owl_global_push_context_obj(&g, ctx);
1963  return tw;
1964}
1965
1966char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1967{
1968  /* if type == 1 display in a popup
1969   * if type == 2 display an admin messages
1970   * if type == 0 return output
1971   * else display in a popup
1972   */
1973  const char *redirect = " 2>&1 < /dev/null";
1974  char *newbuff;
1975  char *out;
1976  FILE *p;
1977
1978#if OWL_STDERR_REDIR
1979  redirect = " < /dev/null";
1980#endif
1981
1982  if (argc<2) {
1983    owl_function_error("Wrong number of arguments to the exec command");
1984    return NULL;
1985  }
1986
1987  buff = skiptokens(buff, 1);
1988  newbuff = owl_sprintf("%s%s", buff, redirect);
1989
1990  if (type == OWL_OUTPUT_POPUP) {
1991    owl_popexec_new(newbuff);
1992  } else {
1993    p = popen(newbuff, "r");
1994    out = owl_slurp(p);
1995    pclose(p);
1996   
1997    if (type == OWL_OUTPUT_RETURN) {
1998      owl_free(newbuff);
1999      return out;
2000    } else if (type == OWL_OUTPUT_ADMINMSG) {
2001      owl_function_adminmsg(buff, out);
2002    }
2003    owl_free(out);
2004  }
2005  owl_free(newbuff);
2006  return NULL;
2007}
2008
2009char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2010{
2011  /* if type == 1 display in a popup
2012   * if type == 2 display an admin messages
2013   * if type == 0 return output
2014   * else display in a popup
2015   */
2016  char *perlout;
2017
2018  if (argc<2) {
2019    owl_function_error("Wrong number of arguments to perl command");
2020    return NULL;
2021  }
2022
2023  /* consume first token (argv[0]) */
2024  buff = skiptokens(buff, 1);
2025
2026  perlout = owl_perlconfig_execute(buff);
2027  if (perlout) { 
2028    if (type == OWL_OUTPUT_POPUP) {
2029      owl_function_popless_text(perlout);
2030    } else if (type == OWL_OUTPUT_ADMINMSG) {
2031      owl_function_adminmsg(buff, perlout);
2032    } else if (type == OWL_OUTPUT_RETURN) {
2033      return perlout;
2034    }
2035    owl_free(perlout);
2036  }
2037  return NULL;
2038}
2039
2040/* Change the filter associated with the current view.
2041 * This also figures out which message in the new filter
2042 * should have the pointer.
2043 */
2044void owl_function_change_currentview_filter(const char *filtname)
2045{
2046  owl_view *v;
2047  owl_filter *f;
2048  int curid=-1, newpos, curmsg;
2049  const owl_message *curm=NULL;
2050
2051  v=owl_global_get_current_view(&g);
2052
2053  curmsg=owl_global_get_curmsg(&g);
2054  if (curmsg==-1) {
2055    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2056  } else {
2057    curm=owl_view_get_element(v, curmsg);
2058    if (curm) {
2059      curid=owl_message_get_id(curm);
2060      owl_view_save_curmsgid(v, curid);
2061    }
2062  }
2063
2064  f=owl_global_get_filter(&g, filtname);
2065  if (!f) {
2066    owl_function_error("Unknown filter %s", filtname);
2067    return;
2068  }
2069
2070  owl_view_new_filter(v, f);
2071
2072  /* Figure out what to set the current message to.
2073   * - If the view we're leaving has messages in it, go to the closest message
2074   *   to the last message pointed to in that view.
2075   * - If the view we're leaving is empty, try to restore the position
2076   *   from the last time we were in the new view.  */
2077  if (curm) {
2078    newpos = owl_view_get_nearest_to_msgid(v, curid);
2079  } else {
2080    newpos = owl_view_get_nearest_to_saved(v);
2081  }
2082
2083  owl_global_set_curmsg(&g, newpos);
2084  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2085  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2086  owl_global_set_direction_downwards(&g);
2087}
2088
2089/* Create a new filter, or replace an existing one
2090 * with a new definition.
2091 */
2092void owl_function_create_filter(int argc, const char *const *argv)
2093{
2094  owl_filter *f;
2095  const owl_view *v;
2096  int inuse = 0;
2097
2098  if (argc < 2) {
2099    owl_function_error("Wrong number of arguments to filter command");
2100    return;
2101  }
2102
2103  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2104
2105  v=owl_global_get_current_view(&g);
2106
2107  /* don't touch the all filter */
2108  if (!strcmp(argv[1], "all")) {
2109    owl_function_error("You may not change the 'all' filter.");
2110    return;
2111  }
2112
2113  /* deal with the case of trying change the filter color */
2114  if (argc==4 && !strcmp(argv[2], "-c")) {
2115    f=owl_global_get_filter(&g, argv[1]);
2116    if (!f) {
2117      owl_function_error("The filter '%s' does not exist.", argv[1]);
2118      return;
2119    }
2120    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2121      owl_function_error("The color '%s' is not available.", argv[3]);
2122      return;
2123    }
2124    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
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_mainwin_redisplay(owl_global_get_mainwin(&g));
2140    return;
2141  }
2142
2143  /* create the filter and check for errors */
2144  f = owl_filter_new(argv[1], argc-2, argv+2);
2145  if (f == NULL) {
2146    owl_function_error("Invalid filter");
2147    return;
2148  }
2149
2150  /* if the named filter is in use by the current view, remember it */
2151  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2152    inuse=1;
2153  }
2154
2155  /* if the named filter already exists, nuke it */
2156  if (owl_global_get_filter(&g, argv[1])) {
2157    owl_global_remove_filter(&g, argv[1]);
2158  }
2159
2160  /* add the filter */
2161  owl_global_add_filter(&g, f);
2162
2163  /* if it was in use by the current view then update */
2164  if (inuse) {
2165    owl_function_change_currentview_filter(argv[1]);
2166  }
2167  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2168}
2169
2170/* If 'filtername' does not start with 'not-' create a filter named
2171 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2172 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2173 * 'filtername' begins with 'not-' and a filter 'filtername' already
2174 * exists, then do nothing.  If the filter 'filtername' does not
2175 * exist, create it and define it as 'not filter <filtername>'
2176 *
2177 * Returns the name of the negated filter, which the caller must free.
2178 */
2179char *owl_function_create_negative_filter(const char *filtername)
2180{
2181  char *newname;
2182  const owl_filter *tmpfilt;
2183  const char *argv[5];
2184
2185  owl_function_debugmsg("owl_function_create_negative_filter");
2186 
2187  if (!strncmp(filtername, "not-", 4)) {
2188    newname=owl_strdup(filtername+4);
2189  } else {
2190    newname=owl_sprintf("not-%s", filtername);
2191  }
2192
2193  tmpfilt=owl_global_get_filter(&g, newname);
2194  if (!tmpfilt) {
2195    argv[0]="filter"; /* anything is fine here */
2196    argv[1]=newname;
2197    argv[2]="not";
2198    argv[3]="filter";
2199    argv[4]=filtername;
2200    owl_function_create_filter(5, argv);
2201  }
2202
2203  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2204  return(newname);
2205}
2206
2207void owl_function_show_filters(void)
2208{
2209  const owl_filter *f;
2210  GList *fl;
2211  owl_fmtext fm;
2212
2213  owl_fmtext_init_null(&fm);
2214
2215  owl_fmtext_append_bold(&fm, "Filters:\n");
2216
2217  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2218    f = fl->data;
2219    owl_fmtext_append_normal(&fm, "   ");
2220    if (owl_global_get_hascolors(&g)) {
2221      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2222    } else {
2223      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2224    }
2225    owl_fmtext_append_normal(&fm, "\n");
2226  }
2227  owl_function_popless_fmtext(&fm);
2228  owl_fmtext_cleanup(&fm);
2229}
2230
2231void owl_function_show_filter(const char *name)
2232{
2233  const owl_filter *f;
2234  char *buff, *tmp;
2235
2236  f=owl_global_get_filter(&g, name);
2237  if (!f) {
2238    owl_function_error("There is no filter named %s", name);
2239    return;
2240  }
2241  tmp = owl_filter_print(f);
2242  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2243  owl_function_popless_text(buff);
2244  owl_free(buff);
2245  owl_free(tmp);
2246}
2247
2248void owl_function_show_zpunts(void)
2249{
2250  const owl_filter *f;
2251  const owl_list *fl;
2252  char buff[5000];
2253  char *tmp;
2254  owl_fmtext fm;
2255  int i, j;
2256
2257  owl_fmtext_init_null(&fm);
2258
2259  fl=owl_global_get_puntlist(&g);
2260  j=owl_list_get_size(fl);
2261  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2262
2263  for (i=0; i<j; i++) {
2264    f=owl_list_get_element(fl, i);
2265    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2266    owl_fmtext_append_normal(&fm, buff);
2267    tmp = owl_filter_print(f);
2268    owl_fmtext_append_normal(&fm, tmp);
2269    owl_free(tmp);
2270  }
2271  owl_function_popless_fmtext(&fm);
2272  owl_fmtext_cleanup(&fm);
2273}
2274
2275/* Create a filter for a class, instance if one doesn't exist.  If
2276 * instance is NULL then catch all messgaes in the class.  Returns the
2277 * name of the filter, which the caller must free.
2278 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2279 */
2280char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2281{
2282  owl_filter *f;
2283  char *argbuff, *filtname;
2284  char *tmpclass, *tmpinstance = NULL;
2285  char *class, *instance = NULL;
2286
2287  if (related) {
2288    class = owl_util_baseclass(c);
2289    if (i) {
2290      instance = owl_util_baseclass(i);
2291    }
2292  } else {
2293    class = owl_strdup(c);
2294    if (i) {
2295      instance = owl_strdup(i);
2296    }
2297  }
2298
2299  /* name for the filter */
2300  if (!instance) {
2301    filtname = owl_sprintf("%sclass-%s", related ? "related-" : "", class);
2302  } else {
2303    filtname = owl_sprintf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2304  }
2305  /* downcase it */
2306  {
2307    char *temp = g_utf8_strdown(filtname, -1);
2308    if (temp) {
2309      owl_free(filtname);
2310      filtname = temp;
2311    }
2312  }
2313  /* turn spaces, single quotes, and double quotes into dots */
2314  owl_text_tr(filtname, ' ', '.');
2315  owl_text_tr(filtname, '\'', '.');
2316  owl_text_tr(filtname, '"', '.');
2317 
2318  /* if it already exists then go with it.  This lets users override */
2319  if (owl_global_get_filter(&g, filtname)) {
2320    goto done;
2321  }
2322
2323  /* create the new filter */
2324  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2325  owl_text_tr(tmpclass, ' ', '.');
2326  owl_text_tr(tmpclass, '\'', '.');
2327  owl_text_tr(tmpclass, '"', '.');
2328  if (instance) {
2329    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2330    owl_text_tr(tmpinstance, ' ', '.');
2331    owl_text_tr(tmpinstance, '\'', '.');
2332    owl_text_tr(tmpinstance, '"', '.');
2333  }
2334
2335  argbuff = owl_sprintf(related ? "class ^(un)*%s(\\.d)*$" : "class ^%s$", tmpclass);
2336  if (tmpinstance) {
2337    char *tmp = argbuff;
2338    argbuff = owl_sprintf(related ? "%s and ( instance ^(un)*%s(\\.d)*$ )" : "%s and instance ^%s$", tmp, tmpinstance);
2339    owl_free(tmp);
2340  }
2341  owl_free(tmpclass);
2342  if (tmpinstance) owl_free(tmpinstance);
2343
2344  f = owl_filter_new_fromstring(filtname, argbuff);
2345
2346  /* add it to the global list */
2347  owl_global_add_filter(&g, f);
2348
2349  owl_free(argbuff);
2350done:
2351  owl_free(class);
2352  if (instance) {
2353    owl_free(instance);
2354  }
2355  return(filtname);
2356}
2357
2358/* Create a filter for personal zephyrs to or from the specified
2359 * zephyr user.  Includes login/logout notifications for the user.
2360 * The name of the filter will be 'user-<shortuser>'.  If a filter already
2361 * exists with this name, no new filter will be created.  This allows
2362 * the configuration to override this function.  Returns the name of
2363 * the filter, which the caller must free.
2364 */
2365char *owl_function_zuserfilt(const char *longuser)
2366{
2367  owl_filter *f;
2368  char *argbuff, *esclonguser, *shortuser, *filtname;
2369
2370  /* name for the filter */
2371  shortuser = short_zuser(longuser);
2372  filtname = owl_sprintf("user-%s", shortuser);
2373  owl_free(shortuser);
2374
2375  /* if it already exists then go with it.  This lets users override */
2376  if (owl_global_get_filter(&g, filtname)) {
2377    return filtname;
2378  }
2379
2380  /* create the new-internal filter */
2381  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2382
2383  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2384      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2385      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2386      esclonguser);
2387
2388  f = owl_filter_new_fromstring(filtname, argbuff);
2389
2390  /* add it to the global list */
2391  owl_global_add_filter(&g, f);
2392
2393  /* free stuff */
2394  owl_free(argbuff);
2395  owl_free(esclonguser);
2396
2397  return(filtname);
2398}
2399
2400/* Create a filter for AIM IM messages to or from the specified
2401 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2402 * filter already exists with this name, no new filter will be
2403 * created.  This allows the configuration to override this function.
2404 * Returns the name of the filter, which the caller must free.
2405 */
2406char *owl_function_aimuserfilt(const char *user)
2407{
2408  owl_filter *f;
2409  char *argbuff, *filtname;
2410  char *escuser;
2411
2412  /* name for the filter */
2413  filtname=owl_sprintf("aimuser-%s", user);
2414
2415  /* if it already exists then go with it.  This lets users override */
2416  if (owl_global_get_filter(&g, filtname)) {
2417    return(owl_strdup(filtname));
2418  }
2419
2420  /* create the new-internal filter */
2421  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2422
2423  argbuff = owl_sprintf(
2424      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2425      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2426      escuser, owl_global_get_aim_screenname_for_filters(&g));
2427
2428  f = owl_filter_new_fromstring(filtname, argbuff);
2429
2430  /* add it to the global list */
2431  owl_global_add_filter(&g, f);
2432
2433  /* free stuff */
2434  owl_free(argbuff);
2435  owl_free(escuser);
2436
2437  return(filtname);
2438}
2439
2440char *owl_function_typefilt(const char *type)
2441{
2442  owl_filter *f;
2443  char *argbuff, *filtname, *esctype;
2444
2445  /* name for the filter */
2446  filtname=owl_sprintf("type-%s", type);
2447
2448  /* if it already exists then go with it.  This lets users override */
2449  if (owl_global_get_filter(&g, filtname)) {
2450    return filtname;
2451  }
2452
2453  /* create the new-internal filter */
2454  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2455
2456  argbuff = owl_sprintf("type ^%s$", esctype);
2457
2458  f = owl_filter_new_fromstring(filtname, argbuff);
2459
2460  /* add it to the global list */
2461  owl_global_add_filter(&g, f);
2462
2463  /* free stuff */
2464  owl_free(argbuff);
2465  owl_free(esctype);
2466
2467  return filtname;
2468}
2469
2470/* If flag is 1, marks for deletion.  If flag is 0,
2471 * unmarks for deletion. */
2472void owl_function_delete_curview_msgs(int flag)
2473{
2474  const owl_view *v;
2475  int i, j;
2476
2477  v=owl_global_get_current_view(&g);
2478  j=owl_view_get_size(v);
2479  for (i=0; i<j; i++) {
2480    if (flag == 1) {
2481      owl_message_mark_delete(owl_view_get_element(v, i));
2482    } else if (flag == 0) {
2483      owl_message_unmark_delete(owl_view_get_element(v, i));
2484    }
2485  }
2486
2487  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2488
2489  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2490}
2491
2492static char *owl_function_smartfilter_cc(const owl_message *m) {
2493  const char *ccs;
2494  char *ccs_quoted;
2495  char *filtname;
2496  owl_filter *f;
2497  GString *buf;
2498
2499  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2500
2501  filtname = owl_sprintf("conversation-%s", ccs);
2502  owl_text_tr(filtname, ' ', '-');
2503
2504  if (owl_global_get_filter(&g, filtname)) {
2505    return filtname;
2506  }
2507
2508  buf = g_string_new("type ^zephyr$ and filter personal and "
2509                     "zephyr_ccs ^");
2510  ccs_quoted = owl_text_quote(ccs, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2511  owl_string_append_quoted_arg(buf, ccs_quoted);
2512  g_string_append_c(buf, '$');
2513  owl_free(ccs_quoted);
2514
2515  f = owl_filter_new_fromstring(filtname, buf->str);
2516  g_string_free(buf, true);
2517
2518  owl_global_add_filter(&g, f);
2519
2520  return filtname;
2521}
2522
2523/* Create a filter based on the current message.  Returns the name of
2524 * a filter or null.  The caller must free this name.
2525 *
2526 * if the curmsg is a personal zephyr return a filter name
2527 *    to the zephyr conversation with that user.
2528 * If the curmsg is a zephyr class message, instance foo, recip *,
2529 *    return a filter name to the class, inst.
2530 * If the curmsg is a zephyr class message and type==0 then
2531 *    return a filter name for just the class.
2532 * If the curmsg is a zephyr class message and type==1 then
2533 *    return a filter name for the class and instance.
2534 * If the curmsg is a personal AIM message returna  filter
2535 *    name to the AIM conversation with that user
2536 */
2537char *owl_function_smartfilter(int type, int invert_related)
2538{
2539  const owl_view *v;
2540  const owl_message *m;
2541  char *filtname = NULL;
2542  const char *argv[2], *zperson;
2543  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2544
2545  v=owl_global_get_current_view(&g);
2546  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2547
2548  if (!m || owl_view_get_size(v)==0) {
2549    owl_function_error("No message selected\n");
2550    return(NULL);
2551  }
2552
2553  /* very simple handling of admin messages for now */
2554  if (owl_message_is_type_admin(m)) {
2555    return(owl_function_typefilt("admin"));
2556  }
2557
2558  /* very simple handling of loopback messages for now */
2559  if (owl_message_is_type_loopback(m)) {
2560    return(owl_function_typefilt("loopback"));
2561  }
2562
2563  /* aim messages */
2564  if (owl_message_is_type_aim(m)) {
2565    if (owl_message_is_direction_in(m)) {
2566      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2567    } else if (owl_message_is_direction_out(m)) {
2568      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2569    }
2570    return(filtname);
2571  }
2572
2573  /* narrow personal and login messages to the sender or recip as appropriate */
2574  if (owl_message_is_type_zephyr(m)) {
2575    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2576      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2577        return owl_function_smartfilter_cc(m);
2578      }
2579
2580      if (owl_message_is_direction_in(m)) {
2581        zperson = owl_message_get_sender(m);
2582      } else {
2583        zperson = owl_message_get_recipient(m);
2584      }
2585      filtname = owl_function_zuserfilt(zperson);
2586      return filtname;
2587    }
2588
2589    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2590    if (!strcasecmp(owl_message_get_class(m), "message")) {
2591      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2592      return(filtname);
2593    }
2594
2595    /* otherwise narrow to the class */
2596    if (type==0) {
2597      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2598    } else if (type==1) {
2599      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2600    }
2601    return(filtname);
2602  }
2603
2604  /* pass it off to perl */
2605  argv[0] = type ? "1" : "0";
2606  argv[1] = related ? "1" : "0";
2607  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2608}
2609
2610void owl_function_smartzpunt(int type)
2611{
2612  /* Starts a zpunt command based on the current class,instance pair.
2613   * If type=0, uses just class.  If type=1, uses instance as well. */
2614  const owl_view *v;
2615  const owl_message *m;
2616  const char *mclass, *minst;
2617  GString *buf;
2618 
2619  v=owl_global_get_current_view(&g);
2620  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2621
2622  if (!m || owl_view_get_size(v)==0) {
2623    owl_function_error("No message selected\n");
2624    return;
2625  }
2626
2627  /* for now we skip admin messages. */
2628  if (owl_message_is_type_admin(m)
2629      || owl_message_is_loginout(m)
2630      || !owl_message_is_type_zephyr(m)) {
2631    owl_function_error("smartzpunt doesn't support this message type.");
2632    return;
2633  }
2634
2635  mclass = owl_message_get_class(m);
2636  minst = owl_message_get_instance(m);
2637  if (!mclass || !*mclass || *mclass==' '
2638      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2639      || (type && (!minst || !*minst|| *minst==' '))) {
2640    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2641                         mclass, minst);
2642  } else {
2643    buf = g_string_new("start-command zpunt ");
2644    owl_string_append_quoted_arg(buf, mclass);
2645    if (type) {
2646      g_string_append_c(buf, ' ');
2647      owl_string_append_quoted_arg(buf, minst);
2648    } else {
2649      g_string_append(buf, " *");
2650    }
2651    owl_function_command(buf->str);
2652    g_string_free(buf, true);
2653  }
2654}
2655
2656/* Set the color of the current view's filter to
2657 * be 'color'
2658 */
2659void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2660{
2661  const char *name;
2662
2663  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2664  owl_function_color_filter(name, fgcolor, bgcolor);
2665}
2666
2667/* Set the color of the filter 'filter' to be 'color'.  If the color
2668 * name does not exist, return -1, if the filter does not exist or is
2669 * the "all" filter, return -2.  Return 0 on success
2670 */
2671int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2672{
2673  owl_filter *f;
2674
2675  f=owl_global_get_filter(&g, filtname);
2676  if (!f) {
2677    owl_function_error("Unknown filter");
2678    return(-2);
2679  }
2680
2681  /* don't touch the all filter */
2682  if (!strcmp(filtname, "all")) {
2683    owl_function_error("You may not change the 'all' filter.");
2684    return(-2);
2685  }
2686
2687  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2688    owl_function_error("No color named '%s' avilable.", fgcolor);
2689    return(-1);
2690  }
2691
2692
2693  if (bgcolor != NULL) {
2694    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2695      owl_function_error("No color named '%s' avilable.", bgcolor);
2696      return(-1);
2697    }
2698    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2699  }
2700  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2701 
2702  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2703  return(0);
2704}
2705
2706void owl_function_show_colors(void)
2707{
2708  owl_fmtext fm;
2709  int i; 
2710 
2711  owl_fmtext_init_null(&fm);
2712  owl_fmtext_append_normal(&fm, "default: ");
2713  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2714
2715  owl_fmtext_append_normal(&fm,"red:      ");
2716  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2717
2718  owl_fmtext_append_normal(&fm,"green:    ");
2719  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2720
2721  owl_fmtext_append_normal(&fm,"yellow:   ");
2722  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2723
2724  owl_fmtext_append_normal(&fm,"blue:     ");
2725  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2726
2727  owl_fmtext_append_normal(&fm,"magenta:  ");
2728  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2729
2730  owl_fmtext_append_normal(&fm,"cyan:     ");
2731  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2732
2733  owl_fmtext_append_normal(&fm,"white:    ");
2734  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2735
2736  for(i = 8; i < COLORS; ++i) {
2737    char* str1 = owl_sprintf("%4i:     ",i);
2738    char* str2 = owl_sprintf("%i\n",i);
2739    owl_fmtext_append_normal(&fm,str1);
2740    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2741    owl_free(str1);
2742     owl_free(str2);
2743  }
2744 
2745  owl_function_popless_fmtext(&fm);
2746  owl_fmtext_cleanup(&fm);
2747}
2748
2749/* add the given class, inst, recip to the punt list for filtering.
2750 *   if direction==0 then punt
2751 *   if direction==1 then unpunt
2752 */
2753void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2754{
2755  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2756  char *quoted;
2757
2758  if (!strcmp(class, "*")) {
2759    classexpr = owl_sprintf("class .*");
2760  } else {
2761    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2762    owl_text_tr(quoted, ' ', '.');
2763    owl_text_tr(quoted, '\'', '.');
2764    owl_text_tr(quoted, '"', '.');
2765    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2766    owl_free(quoted);
2767  }
2768  if (!strcmp(inst, "*")) {
2769    instexpr = owl_sprintf(" and instance .*");
2770  } else {
2771    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2772    owl_text_tr(quoted, ' ', '.');
2773    owl_text_tr(quoted, '\'', '.');
2774    owl_text_tr(quoted, '"', '.');
2775    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2776    owl_free(quoted);
2777  }
2778  if (!strcmp(recip, "*")) {
2779    recipexpr = owl_sprintf("");
2780  } else {
2781    if(!strcmp(recip, "%me%")) {
2782      recip = owl_zephyr_get_sender();
2783    }
2784    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2785    owl_text_tr(quoted, ' ', '.');
2786    owl_text_tr(quoted, '\'', '.');
2787    owl_text_tr(quoted, '"', '.');
2788    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2789    owl_free(quoted);
2790  }
2791
2792  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2793  owl_function_punt(puntexpr, direction);
2794  owl_free(puntexpr);
2795  owl_free(classexpr);
2796  owl_free(instexpr);
2797  owl_free(recipexpr);
2798}
2799
2800void owl_function_punt(const char *filter, int direction)
2801{
2802  owl_filter *f;
2803  owl_list *fl;
2804  int i, j;
2805  fl=owl_global_get_puntlist(&g);
2806
2807  /* first, create the filter */
2808  owl_function_debugmsg("About to filter %s", filter);
2809  f = owl_filter_new_fromstring("punt-filter", filter);
2810  if (f == NULL) {
2811    owl_function_error("Error creating filter for zpunt");
2812    return;
2813  }
2814
2815  /* Check for an identical filter */
2816  j=owl_list_get_size(fl);
2817  for (i=0; i<j; i++) {
2818    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2819      owl_function_debugmsg("found an equivalent punt filter");
2820      /* if we're punting, then just silently bow out on this duplicate */
2821      if (direction==0) {
2822        owl_filter_delete(f);
2823        return;
2824      }
2825
2826      /* if we're unpunting, then remove this filter from the puntlist */
2827      if (direction==1) {
2828        owl_filter_delete(owl_list_get_element(fl, i));
2829        owl_list_remove_element(fl, i);
2830        owl_filter_delete(f);
2831        return;
2832      }
2833    }
2834  }
2835
2836  owl_function_debugmsg("punting");
2837  /* If we're punting, add the filter to the global punt list */
2838  if (direction==0) {
2839    owl_list_append_element(fl, f);
2840  }
2841}
2842
2843void owl_function_show_keymaps(void)
2844{
2845  owl_list l;
2846  owl_fmtext fm;
2847  const owl_keymap *km;
2848  const owl_keyhandler *kh;
2849  int i, numkm;
2850  const char *kmname;
2851
2852  kh = owl_global_get_keyhandler(&g);
2853  owl_fmtext_init_null(&fm);
2854  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2855  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2856  owl_keyhandler_get_keymap_names(kh, &l);
2857  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2858  owl_fmtext_append_normal(&fm, "\n");
2859
2860  numkm = owl_list_get_size(&l);
2861  for (i=0; i<numkm; i++) {
2862    kmname = owl_list_get_element(&l, i);
2863    km = owl_keyhandler_get_keymap(kh, kmname);
2864    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2865    owl_keymap_get_details(km, &fm, 0);
2866  }
2867  owl_fmtext_append_normal(&fm, "\n");
2868 
2869  owl_function_popless_fmtext(&fm);
2870  owl_keyhandler_keymap_namelist_cleanup(&l);
2871  owl_fmtext_cleanup(&fm);
2872}
2873
2874char *owl_function_keymap_summary(const char *name)
2875{
2876  const owl_keymap *km
2877    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2878  if (km) return owl_keymap_summary(km);
2879  else return(NULL);
2880}
2881
2882/* TODO: implement for real */
2883void owl_function_show_keymap(const char *name)
2884{
2885  owl_fmtext fm;
2886  const owl_keymap *km;
2887
2888  owl_fmtext_init_null(&fm);
2889  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2890  if (km) {
2891    owl_keymap_get_details(km, &fm, 1);
2892  } else {
2893    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2894  } 
2895  owl_function_popless_fmtext(&fm);
2896  owl_fmtext_cleanup(&fm);
2897}
2898
2899void owl_function_help_for_command(const char *cmdname)
2900{
2901  owl_fmtext fm;
2902
2903  owl_fmtext_init_null(&fm);
2904  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2905  owl_function_popless_fmtext(&fm); 
2906  owl_fmtext_cleanup(&fm);
2907}
2908
2909void owl_function_set_search(const char *string)
2910{
2911  owl_regex re;
2912
2913  if (string && owl_regex_create_quoted(&re, string) == 0) {
2914    owl_global_set_search_re(&g, &re);
2915    owl_regex_cleanup(&re);
2916  } else {
2917    owl_global_set_search_re(&g, NULL);
2918  }
2919}
2920
2921void owl_function_search_helper(int consider_current, int direction)
2922{
2923  /* move to a message that contains the string.  If direction is
2924   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2925   * OWL_DIRECTION_UPWARDS then search backwards.
2926   *
2927   * If consider_current is true then it will stay on the
2928   * current message if it contains the string.
2929   */
2930
2931  const owl_view *v;
2932  int viewsize, i, curmsg, start;
2933  owl_message *m;
2934
2935  v=owl_global_get_current_view(&g);
2936  viewsize=owl_view_get_size(v);
2937  curmsg=owl_global_get_curmsg(&g);
2938 
2939  if (viewsize==0) {
2940    owl_function_error("No messages present");
2941    return;
2942  }
2943
2944  if (consider_current) {
2945    start=curmsg;
2946  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2947    start=curmsg+1;
2948  } else {
2949    start=curmsg-1;
2950  }
2951
2952  /* bounds check */
2953  if (start>=viewsize || start<0) {
2954    owl_function_error("No further matches found");
2955    return;
2956  }
2957
2958  for (i=start; i<viewsize && i>=0;) {
2959    m=owl_view_get_element(v, i);
2960    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2961      owl_global_set_curmsg(&g, i);
2962      owl_function_calculate_topmsg(direction);
2963      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2964      if (direction==OWL_DIRECTION_DOWNWARDS) {
2965        owl_global_set_direction_downwards(&g);
2966      } else {
2967        owl_global_set_direction_upwards(&g);
2968      }
2969      return;
2970    }
2971    if (direction==OWL_DIRECTION_DOWNWARDS) {
2972      i++;
2973    } else {
2974      i--;
2975    }
2976    owl_function_mask_sigint(NULL);
2977    if(owl_global_is_interrupted(&g)) {
2978      owl_global_unset_interrupted(&g);
2979      owl_function_unmask_sigint(NULL);
2980      owl_function_makemsg("Search interrupted!");
2981      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2982      return;
2983    }
2984    owl_function_unmask_sigint(NULL);
2985  }
2986  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2987  owl_function_error("No matches found");
2988}
2989
2990/* strips formatting from ztext and returns the unformatted text.
2991 * caller is responsible for freeing. */
2992char *owl_function_ztext_stylestrip(const char *zt)
2993{
2994  owl_fmtext fm;
2995  char *plaintext;
2996
2997  owl_fmtext_init_null(&fm);
2998  owl_fmtext_append_ztext(&fm, zt);
2999  plaintext = owl_fmtext_print_plain(&fm);
3000  owl_fmtext_cleanup(&fm);
3001  return(plaintext);
3002}
3003
3004/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3005void owl_function_buddylist(int aim, int zephyr, const char *filename)
3006{
3007  int i, j, idle;
3008  int interrupted = 0;
3009  owl_fmtext fm;
3010  const owl_buddylist *bl;
3011  const owl_buddy *b;
3012  char *timestr;
3013#ifdef HAVE_LIBZEPHYR
3014  int x;
3015  owl_list anyone;
3016  const char *user;
3017  char *tmp;
3018  ZLocations_t location[200];
3019  int numlocs, ret;
3020#endif
3021
3022  owl_fmtext_init_null(&fm);
3023
3024  /* AIM first */
3025  if (aim && owl_global_is_aimloggedin(&g)) {
3026    bl=owl_global_get_buddylist(&g);
3027
3028    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3029    /* we're assuming AIM for now */
3030    j=owl_buddylist_get_size(bl);
3031    for (i=0; i<j; i++) {
3032      b=owl_buddylist_get_buddy_n(bl, i);
3033      idle=owl_buddy_get_idle_time(b);
3034      if (idle!=0) {
3035        timestr=owl_util_minutes_to_timestr(idle);
3036      } else {
3037        timestr=owl_strdup("");
3038      }
3039      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3040      owl_free(timestr);
3041    }
3042  }
3043
3044#ifdef HAVE_LIBZEPHYR
3045  if (zephyr) {
3046    if(!owl_global_is_havezephyr(&g)) {
3047      owl_function_error("Zephyr currently not available.");
3048    } else {
3049      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3050      owl_list_create(&anyone);
3051      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3052      if (ret) {
3053        if (errno == ENOENT) {
3054          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3055          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3056          owl_fmtext_append_bold(  &fm, "<username>");
3057          owl_fmtext_append_normal(&fm, "'.\n");
3058        } else {
3059          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3060        }
3061      } else {
3062        j=owl_list_get_size(&anyone);
3063        for (i=0; i<j; i++) {
3064          user=owl_list_get_element(&anyone, i);
3065          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3066
3067          owl_function_mask_sigint(NULL);
3068          if(owl_global_is_interrupted(&g)) {
3069            interrupted = 1;
3070            owl_global_unset_interrupted(&g);
3071            owl_function_unmask_sigint(NULL);
3072            owl_function_makemsg("Interrupted!");
3073            break;
3074          }
3075
3076          owl_function_unmask_sigint(NULL);
3077
3078          if (ret!=ZERR_NONE) {
3079            owl_function_error("Error getting location for %s", user);
3080            continue;
3081          }
3082
3083          numlocs=200;
3084          ret=ZGetLocations(location, &numlocs);
3085          if (ret==0) {
3086            for (x=0; x<numlocs; x++) {
3087              tmp=short_zuser(user);
3088              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3089                                        tmp,
3090                                        location[x].host,
3091                                        location[x].tty,
3092                                        location[x].time);
3093              owl_free(tmp);
3094            }
3095            if (numlocs>=200) {
3096              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3097            }
3098          }
3099        }
3100      }
3101      owl_list_cleanup(&anyone, owl_free);
3102    }
3103  }
3104#endif
3105
3106  if (aim && zephyr) {
3107    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3108      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3109      if (perlblist) {
3110        owl_fmtext_append_ztext(&fm, perlblist);
3111        owl_free(perlblist);
3112      }
3113    }
3114  }
3115
3116  if(!interrupted) {
3117    owl_function_popless_fmtext(&fm);
3118  }
3119  owl_fmtext_cleanup(&fm);
3120}
3121
3122/* Dump messages in the current view to the file 'filename'. */
3123void owl_function_dump(const char *filename) 
3124{
3125  int i, j;
3126  owl_message *m;
3127  const owl_view *v;
3128  FILE *file;
3129  char *plaintext;
3130
3131  v=owl_global_get_current_view(&g);
3132
3133  /* in the future make it ask yes/no */
3134  /*
3135  ret=stat(filename, &sbuf);
3136  if (!ret) {
3137    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3138    if (!ret) return;
3139  }
3140  */
3141
3142  file=fopen(filename, "w");
3143  if (!file) {
3144    owl_function_error("Error opening file");
3145    return;
3146  }
3147
3148  j=owl_view_get_size(v);
3149  for (i=0; i<j; i++) {
3150    m=owl_view_get_element(v, i);
3151    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3152    if (plaintext) {
3153      fputs(plaintext, file);
3154      owl_free(plaintext);
3155    }
3156  }
3157  fclose(file);
3158  owl_function_makemsg("Messages dumped to %s", filename);
3159}
3160
3161void owl_function_do_newmsgproc(void)
3162{
3163  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3164    /* if there's a process out there, we need to check on it */
3165    if (owl_global_get_newmsgproc_pid(&g)) {
3166      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3167      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3168      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3169      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3170        /* it exited */
3171        owl_global_set_newmsgproc_pid(&g, 0);
3172        owl_function_debugmsg("newmsgproc exited");
3173      } else {
3174        owl_function_debugmsg("newmsgproc did not exit");
3175      }
3176    }
3177   
3178    /* if it exited, fork & exec a new one */
3179    if (owl_global_get_newmsgproc_pid(&g)==0) {
3180      pid_t i;
3181      int myargc;
3182      i=fork();
3183      if (i) {
3184        /* parent set the child's pid */
3185        owl_global_set_newmsgproc_pid(&g, i);
3186        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3187      } else {
3188        /* child exec's the program */
3189        char **parsed;
3190        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3191        if (myargc < 0) {
3192          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3193        }
3194        if (myargc <= 0) {
3195          _exit(127);
3196        }
3197        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3198        parsed[myargc] = NULL;
3199       
3200        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3201       
3202        execvp(parsed[0], parsed);
3203       
3204       
3205        /* was there an error exec'ing? */
3206        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3207                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3208        _exit(127);
3209      }
3210    }
3211  }
3212}
3213
3214/* print the xterm escape sequence to raise the window */
3215void owl_function_xterm_raise(void)
3216{
3217  printf("\033[5t");
3218}
3219
3220/* print the xterm escape sequence to deiconify the window */
3221void owl_function_xterm_deiconify(void)
3222{
3223  printf("\033[1t");
3224}
3225
3226/* Add the specified command to the startup file.  Eventually this
3227 * should be clever, and rewriting settings that will obviosly
3228 * override earlier settings with 'set' 'bindkey' and 'alias'
3229 * commands.  For now though we just remove any line that would
3230 * duplicate this one and then append this line to the end of
3231 * startupfile.
3232 */
3233void owl_function_addstartup(const char *buff)
3234{
3235  FILE *file;
3236  const char *filename;
3237
3238  filename=owl_global_get_startupfile(&g);
3239
3240  /* delete earlier copies */
3241  owl_util_file_deleteline(filename, buff, 1);
3242
3243  file=fopen(filename, "a");
3244  if (!file) {
3245    owl_function_error("Error opening startupfile for new command");
3246    return;
3247  }
3248
3249  /* add this line */
3250  fprintf(file, "%s\n", buff);
3251
3252  fclose(file);
3253}
3254
3255/* Remove the specified command from the startup file. */
3256void owl_function_delstartup(const char *buff)
3257{
3258  const char *filename;
3259  filename=owl_global_get_startupfile(&g);
3260  owl_util_file_deleteline(filename, buff, 1);
3261}
3262
3263/* Execute owl commands from the given filename.  If the filename
3264 * is NULL, use the default owl startup commands file.
3265 */
3266void owl_function_source(const char *filename)
3267{
3268  char *path;
3269  FILE *file;
3270  char *s = NULL;
3271  int fail_silent = 0;
3272
3273  if (!filename) {
3274    fail_silent = 1;
3275    path = owl_strdup(owl_global_get_startupfile(&g));
3276  } else {
3277    path = owl_util_makepath(filename);
3278  }
3279  file = fopen(path, "r");
3280  owl_free(path);
3281  if (!file) {
3282    if (!fail_silent) {
3283      owl_function_error("Error opening file: %s", filename);
3284    }
3285    return;
3286  }
3287  while (owl_getline_chomp(&s, file)) {
3288    if (s[0] == '\0' || s[0] == '#')
3289      continue;
3290    owl_function_command(s);
3291  }
3292
3293  owl_free(s);
3294  fclose(file);
3295}
3296
3297void owl_function_change_style(owl_view *v, const char *stylename)
3298{
3299  const owl_style *s;
3300
3301  s=owl_global_get_style_by_name(&g, stylename);
3302  if (!s) {
3303    owl_function_error("No style named %s", stylename);
3304    return;
3305  }
3306  owl_view_set_style(v, s);
3307  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3308  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3309  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3310}
3311
3312void owl_function_toggleoneline(void)
3313{
3314  owl_view *v;
3315  const owl_style *s;
3316
3317  v=owl_global_get_current_view(&g);
3318  s=owl_view_get_style(v);
3319
3320  if (!owl_style_matches_name(s, "oneline")) {
3321    owl_function_change_style(v, "oneline");
3322  } else {
3323    owl_function_change_style(v, owl_global_get_default_style(&g));
3324  }
3325
3326  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3327  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3328  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3329}
3330
3331void owl_function_error(const char *fmt, ...)
3332{
3333  static int in_error = 0;
3334  va_list ap;
3335  char *buff;
3336  const char *nl;
3337
3338  if (++in_error > 2) {
3339    /* More than two nested errors, bail immediately. */
3340    in_error--;
3341    return;
3342  }
3343
3344  va_start(ap, fmt);
3345  buff = g_strdup_vprintf(fmt, ap);
3346  va_end(ap);
3347
3348  owl_function_debugmsg("ERROR: %s", buff);
3349  owl_function_log_err(buff);
3350
3351  nl = strchr(buff, '\n');
3352
3353  /*
3354    Showing admin messages triggers a lot of code. If we have a
3355    recursive error call, that's the most likely candidate, so
3356    suppress the call in that case, to try to avoid infinite looping.
3357  */
3358
3359  if(nl && *(nl + 1) && in_error == 1) {
3360    /* Multiline error */
3361    owl_function_adminmsg("ERROR", buff);
3362  } else {
3363    owl_function_makemsg("[Error] %s", buff);
3364  }
3365
3366  owl_free(buff);
3367
3368  in_error--;
3369}
3370
3371void owl_function_log_err(const char *string)
3372{
3373  char *date;
3374  time_t now;
3375  char *buff;
3376
3377  now=time(NULL);
3378  date=owl_strdup(ctime(&now));
3379  date[strlen(date)-1]='\0';
3380
3381  buff = owl_sprintf("%s %s", date, string);
3382
3383  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3384
3385  owl_free(buff);
3386  owl_free(date);
3387}
3388
3389void owl_function_showerrs(void)
3390{
3391  owl_fmtext fm;
3392
3393  owl_fmtext_init_null(&fm);
3394  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3395  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3396  owl_function_popless_fmtext(&fm);
3397}
3398
3399void owl_function_makemsg(const char *fmt, ...)
3400{
3401  va_list ap;
3402  char *str;
3403
3404  va_start(ap, fmt);
3405  str = g_strdup_vprintf(fmt, ap);
3406  va_end(ap);
3407
3408  owl_function_debugmsg("makemsg: %s", str);
3409  owl_msgwin_set_text_nocopy(&g.msgwin, str);
3410}
3411
3412/* get locations for everyone in .anyone.  If 'notify' is '1' then
3413 * send a pseudo login or logout message for everyone not in sync with
3414 * the global zephyr buddy list.  The list is updated regardless of
3415 * the status of 'notify'.
3416 */
3417void owl_function_zephyr_buddy_check(int notify)
3418{
3419#ifdef HAVE_LIBZEPHYR
3420  int i, j;
3421  owl_list anyone;
3422  GList **zaldlist;
3423  GList *zaldptr;
3424  ZAsyncLocateData_t *zald;
3425  const char *user;
3426
3427  if (!owl_global_is_havezephyr(&g)) return;
3428  owl_global_set_pseudologin_notify(&g, notify);
3429  zaldlist = owl_global_get_zaldlist(&g);
3430
3431  /* Clear the existing ZALDs first. */
3432  zaldptr = g_list_first(*zaldlist);
3433  while (zaldptr) {
3434    ZFreeALD(zaldptr->data);
3435    owl_free(zaldptr->data);
3436    zaldptr = g_list_next(zaldptr);
3437  }
3438  g_list_free(*zaldlist);
3439  *zaldlist = NULL;
3440
3441  owl_list_create(&anyone);
3442  owl_zephyr_get_anyone_list(&anyone, NULL);
3443  j = owl_list_get_size(&anyone);
3444  for (i = 0; i < j; i++) {
3445    user = owl_list_get_element(&anyone, i);
3446    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3447    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3448      *zaldlist = g_list_append(*zaldlist, zald);
3449    } else {
3450      owl_free(zald);
3451    }
3452  }
3453
3454  owl_list_cleanup(&anyone, owl_free);
3455#endif
3456}
3457
3458void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3459{
3460  owl_fmtext fm;
3461  int i, j;
3462
3463  owl_fmtext_init_null(&fm);
3464  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3465  owl_fmtext_append_normal(&fm, email);
3466  owl_fmtext_append_normal(&fm, ":\n");
3467
3468  j=owl_list_get_size(namelist);
3469  for (i=0; i<j; i++) {
3470    owl_fmtext_append_normal(&fm, "  ");
3471    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3472    owl_fmtext_append_normal(&fm, "\n");
3473  }
3474
3475  owl_function_popless_fmtext(&fm);
3476  owl_fmtext_cleanup(&fm);
3477}
3478
3479int owl_function_get_color_count(void)
3480{
3481     return COLORS;
3482}
3483
3484void owl_function_mask_sigint(sigset_t *oldmask) {
3485  sigset_t intr;
3486
3487  sigemptyset(&intr);
3488  sigaddset(&intr, SIGINT);
3489  sigprocmask(SIG_BLOCK, &intr, oldmask);
3490}
3491
3492void owl_function_unmask_sigint(sigset_t *oldmask) {
3493  sigset_t intr;
3494
3495  sigemptyset(&intr);
3496  sigaddset(&intr, SIGINT);
3497  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3498}
3499
3500void _owl_function_mark_message(const owl_message *m)
3501{
3502  if (m) {
3503    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3504    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3505  }
3506}
3507
3508void owl_function_mark_message(void)
3509{
3510  const owl_message *m;
3511  const owl_view *v;
3512
3513  v=owl_global_get_current_view(&g);
3514
3515  /* bail if there's no current message */
3516  if (owl_view_get_size(v) < 1) {
3517    owl_function_error("No messages to mark");
3518    return;
3519  }
3520
3521  /* mark the message */
3522  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3523  _owl_function_mark_message(m);
3524  owl_function_makemsg("Mark set");
3525}
3526
3527void owl_function_swap_cur_marked(void)
3528{
3529  int marked_id;
3530  const owl_message *m;
3531  const owl_view *v;
3532
3533  marked_id=owl_global_get_markedmsgid(&g);
3534  if (marked_id == -1) {
3535    owl_function_error("Mark not set.");
3536    return;
3537  }
3538
3539  v=owl_global_get_current_view(&g);
3540  /* bail if there's no current message */
3541  if (owl_view_get_size(v) < 1) {
3542    return;
3543  }
3544
3545  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3546  _owl_function_mark_message(m);
3547  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3548  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3549  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3550  owl_global_set_direction_downwards(&g);
3551}
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