source: functions.c @ 20aced3

release-1.7release-1.8release-1.9
Last change on this file since 20aced3 was 7ba9e0de, checked in by David Benjamin <davidben@mit.edu>, 12 years ago
Define constants for output switches Remembering 0, 1, and 2 is really just awful. Signed-off-by: David Benjamin <davidben@mit.edu>
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File size: 95.9 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14#include "filterproc.h"
15
16char *owl_function_command(const char *cmdbuff)
17{
18  owl_function_debugmsg("executing command: %s", cmdbuff);
19  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
20                             owl_global_get_context(&g), cmdbuff);
21}
22
23char *owl_function_command_argv(const char *const *argv, int argc)
24{
25  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
26                                  owl_global_get_context(&g),
27                                  argv, argc);
28}
29
30void owl_function_command_norv(const char *cmdbuff)
31{
32  char *rv;
33  rv=owl_function_command(cmdbuff);
34  if (rv) owl_free(rv);
35}
36
37void owl_function_command_alias(const char *alias_from, const char *alias_to)
38{
39  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
40}
41
42const owl_cmd *owl_function_get_cmd(const char *name)
43{
44  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
45}
46
47void owl_function_show_commands(void)
48{
49  owl_list l;
50  owl_fmtext fm;
51
52  owl_fmtext_init_null(&fm);
53  owl_fmtext_append_bold(&fm, "Commands:  ");
54  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
55  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
56  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
57  owl_fmtext_append_normal(&fm, "\n");
58  owl_function_popless_fmtext(&fm);
59  owl_cmddict_namelist_cleanup(&l);
60  owl_fmtext_cleanup(&fm);
61}
62
63void owl_function_show_view(const char *viewname)
64{
65  const owl_view *v;
66  owl_fmtext fm;
67
68  /* we only have the one view right now */
69  v=owl_global_get_current_view(&g);
70  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
71    owl_function_error("No view named '%s'", viewname);
72    return;
73  }
74
75  owl_fmtext_init_null(&fm);
76  owl_view_to_fmtext(v, &fm);
77  owl_function_popless_fmtext(&fm);
78  owl_fmtext_cleanup(&fm);
79}
80
81void owl_function_show_styles(void) {
82  owl_list l;
83  owl_fmtext fm;
84
85  owl_fmtext_init_null(&fm);
86  owl_fmtext_append_bold(&fm, "Styles:\n");
87  owl_global_get_style_names(&g, &l);
88  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
89  owl_fmtext_append_normal(&fm, "\n");
90  owl_function_popless_fmtext(&fm);
91  owl_list_cleanup(&l, owl_free);
92  owl_fmtext_cleanup(&fm);
93}
94
95char *owl_function_style_describe(const char *name) {
96  const char *desc;
97  char *s;
98  const owl_style *style;
99  style = owl_global_get_style_by_name(&g, name);
100  if (style) {
101    desc = owl_style_get_description(style);
102  } else {
103    desc = "???";
104  }
105  s = owl_sprintf("%-20s - %s%s", name, 
106                  0==owl_style_validate(style)?"":"[INVALID] ",
107                  desc);
108  return s;
109}
110
111char *owl_function_cmd_describe(const char *name)
112{
113  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
114  if (cmd) return owl_cmd_describe(cmd);
115  else return(NULL);
116}
117
118void owl_function_show_command(const char *name)
119{
120  owl_function_help_for_command(name);
121}
122
123void owl_function_show_license(void)
124{
125  const char *text;
126
127  text=""
128    "barnowl version " OWL_VERSION_STRING "\n"
129    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
130    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
131    "\n"
132    "Redistribution and use in source and binary forms, with or without\n"
133    "modification, are permitted provided that the following conditions are\n"
134    "met:\n"
135    "\n"
136    "   * Redistributions of source code must retain the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer.\n"
138    "\n"
139    "   * Redistributions in binary form must reproduce the above copyright\n"
140    "     notice, this list of conditions and the following disclaimer in\n"
141    "     the documentation and/or other materials provided with the\n"
142    "     distribution.\n"
143    "\n"
144    "   * Redistributions in any form must be accompanied by information on\n"
145    "     how to obtain complete source code for the Owl software and any\n"
146    "     accompanying software that uses the Owl software. The source code\n"
147    "     must either be included in the distribution or be available for no\n"
148    "     more than the cost of distribution plus a nominal fee, and must be\n"
149    "     freely redistributable under reasonable conditions. For an\n"
150    "     executable file, complete source code means the source code for\n"
151    "     all modules it contains. It does not include source code for\n"
152    "     modules or files that typically accompany the major components of\n"
153    "     the operating system on which the executable file runs.\n"
154    "\n"
155    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
156    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
157    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
158    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
159    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
160    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
161    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
162    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
163    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
164    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
165    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
166  owl_function_popless_text(text);
167}
168
169void owl_function_show_quickstart(void)
170{
171    const char *message =
172    "Move between messages with the arrow keys, and press 'r' to reply.\n"
173    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
174#ifdef HAVE_LIBZEPHYR
175    "@b(Zephyr:)\n"
176    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
177    "press 'z' and then type the username. To subscribe to a class, type\n"
178    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
179#endif
180    "@b(AIM:)\n"
181    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
182    "or 'a' and then the screen name, to send someone a message.\n\n"
183    ;
184
185    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
186        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
187        if (perlquickstart) {
188            char *result = owl_sprintf("%s%s", message, perlquickstart);
189            owl_function_adminmsg("BarnOwl Quickstart", result);
190            owl_free(result);
191            owl_free(perlquickstart);
192            return;
193        }
194    }
195    owl_function_adminmsg("BarnOwl Quickstart", message);
196}
197
198
199/* Create an admin message, append it to the global list of messages
200 * and redisplay if necessary.
201 */
202void owl_function_adminmsg(const char *header, const char *body)
203{
204  owl_message *m;
205
206  m=owl_malloc(sizeof(owl_message));
207  owl_message_create_admin(m, header, body);
208 
209  /* add it to the global list and current view */
210  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
211  owl_view_consider_message(owl_global_get_current_view(&g), m);
212
213  /* do followlast if necessary */
214  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
215
216  /* redisplay etc. */
217  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
218  owl_global_set_needrefresh(&g);
219}
220
221/* Create an outgoing zephyr message and return a pointer to it.  Does
222 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
223 * that.
224 */
225owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
226{
227  owl_message *m;
228  owl_zwrite zw;
229
230  owl_zwrite_create_from_line(&zw, zwriteline);
231  owl_zwrite_set_zsig(&zw, zsig);
232
233  /* create the message */
234  m=owl_malloc(sizeof(owl_message));
235 
236  owl_message_create_from_zwrite(m, &zw, body);
237  owl_zwrite_cleanup(&zw);
238
239  return(m);
240}
241
242/* Create an outgoing AIM message, returns a pointer to the created
243 * message or NULL if we're not logged into AIM (and thus unable to
244 * create the message).  Does not put it on the global queue.  Use
245 * owl_global_messagequeue_addmsg() for that .
246 */
247owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
248{
249  owl_message *m;
250
251  /* error if we're not logged into aim */
252  if (!owl_global_is_aimloggedin(&g)) return(NULL);
253 
254  m=owl_malloc(sizeof(owl_message));
255  owl_message_create_aim(m,
256                         owl_global_get_aim_screenname(&g),
257                         to,
258                         body,
259                         OWL_MESSAGE_DIRECTION_OUT,
260                         0);
261  return(m);
262}
263
264/* Create an outgoing loopback message and return a pointer to it.
265 * Does not append it to the global queue, use
266 * owl_global_messagequeue_addmsg() for that.
267 */
268owl_message *owl_function_make_outgoing_loopback(const char *body)
269{
270  owl_message *m;
271
272  /* create the message */
273  m=owl_malloc(sizeof(owl_message));
274  owl_message_create_loopback(m, body);
275  owl_message_set_direction_out(m);
276
277  return(m);
278}
279
280void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
281{
282  owl_editwin *e;
283  char *s;
284
285  /* create and setup the editwin */
286  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
287                                   owl_global_get_msg_history(&g));
288  owl_editwin_set_dotsend(e);
289  s = owl_sprintf("----> %s\n", line);
290  owl_editwin_set_locktext(e, s);
291  owl_free(s);
292
293  owl_editwin_set_cbdata(e, data, cleanup);
294  owl_editwin_set_callback(e, callback);
295  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
296}
297
298static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
299{
300
301  if (!owl_global_get_lockout_ctrld(&g))
302    owl_function_makemsg("Type your %s below.  "
303                         "End with ^D or a dot on a line by itself."
304                         "  ^C will quit.", noun);
305  else
306    owl_function_makemsg("Type your %s below.  "
307                         "End with a dot on a line by itself.  ^C will quit.",
308                         noun);
309
310  owl_function_start_edit_win(line, callback,
311                              owl_strdup(line),
312                              owl_free);
313}
314
315void owl_function_zwrite_setup(const char *line)
316{
317  owl_zwrite z;
318  int ret;
319
320  /* check the arguments */
321  ret=owl_zwrite_create_from_line(&z, line);
322  if (ret) {
323    owl_function_error("Error in zwrite arguments");
324    owl_zwrite_cleanup(&z);
325    return;
326  }
327
328  /* send a ping if necessary */
329  if (owl_global_is_txping(&g)) {
330    owl_zwrite_send_ping(&z);
331  }
332  owl_zwrite_cleanup(&z);
333
334  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
335}
336
337void owl_function_aimwrite_setup(const char *line)
338{
339  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
340}
341
342void owl_function_loopwrite_setup(void)
343{
344  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
345}
346
347void owl_callback_zwrite(owl_editwin *e) {
348  char *command = owl_editwin_get_cbdata(e);
349  owl_function_zwrite(command,
350                      owl_editwin_get_text(e));
351}
352
353/* send, log and display an outgoing zephyr.  If 'msg' is NULL
354 * the message is expected to be set from the zwrite line itself
355 */
356void owl_function_zwrite(const char *line, const char *msg)
357{
358  owl_zwrite z;
359  const char *mymsg;
360  owl_message *m;
361
362  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
363    owl_function_zcrypt(line, msg);
364    return;
365  }
366
367  /* create the zwrite and send the message */
368  owl_zwrite_create_from_line(&z, line);
369  owl_zwrite_populate_zsig(&z);
370  if (msg) {
371    owl_zwrite_set_message(&z, msg);
372  }
373  owl_zwrite_send_message(&z);
374  owl_function_makemsg("Waiting for ack...");
375
376  /* If it's personal */
377  if (owl_zwrite_is_personal(&z)) {
378    /* create the outgoing message */
379    mymsg=owl_zwrite_get_message(&z);
380    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
381
382    if (m) {
383      owl_global_messagequeue_addmsg(&g, m);
384    } else {
385      owl_function_error("Could not create outgoing zephyr message");
386    }
387  }
388
389  /* free the zwrite */
390  owl_zwrite_cleanup(&z);
391}
392
393/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
394 * the message is expected to be set from the zwrite line itself
395 */
396void owl_function_zcrypt(const char *line, const char *msg)
397{
398  owl_zwrite z;
399  const char *mymsg;
400  char *cryptmsg;
401  owl_message *m;
402  const char *argv[7];
403  char *zcrypt;
404  int rv, status;
405
406  /* create the zwrite and send the message */
407  owl_zwrite_create_from_line(&z, line);
408  owl_zwrite_populate_zsig(&z);
409  if (msg) {
410    owl_zwrite_set_message(&z, msg);
411  }
412
413  mymsg=owl_zwrite_get_message(&z);
414
415  zcrypt = owl_sprintf("%s/zcrypt", owl_get_bindir());
416  argv[0] = "zcrypt";
417  argv[1] = "-E";
418  argv[2] = "-c"; argv[3] = owl_zwrite_get_class(&z);
419  argv[4] = "-i"; argv[5] = owl_zwrite_get_instance(&z);
420  argv[6] = NULL;
421
422  rv = call_filter(zcrypt, argv, mymsg, &cryptmsg, &status);
423
424  owl_free(zcrypt);
425
426  if (rv || status) {
427    if(cryptmsg) owl_free(cryptmsg);
428    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
429    owl_function_beep();
430    owl_zwrite_cleanup(&z);
431    return;
432  }
433
434  owl_zwrite_set_message(&z, cryptmsg);
435  owl_zwrite_set_opcode(&z, "crypt");
436   
437  owl_zwrite_send_message(&z);
438  owl_function_makemsg("Waiting for ack...");
439
440  /* If it's personal */
441  if (owl_zwrite_is_personal(&z)) {
442    /* create the outgoing message */
443    mymsg=owl_zwrite_get_message(&z);
444    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
445    if (m) {
446      owl_global_messagequeue_addmsg(&g, m);
447    } else {
448      owl_function_error("Could not create outgoing zephyr message");
449    }
450  }
451
452  /* free the zwrite */
453  owl_free(cryptmsg);
454  owl_zwrite_cleanup(&z);
455}
456
457void owl_callback_aimwrite(owl_editwin *e) {
458  char *command = owl_editwin_get_cbdata(e);
459  owl_function_aimwrite(command,
460                        owl_editwin_get_text(e));
461}
462
463void owl_function_aimwrite(const char *line, const char *msg)
464{
465  int ret;
466  const char *to;
467  char *format_msg;
468  owl_message *m;
469
470  to = line + 9;
471
472  /* make a formatted copy of the message */
473  format_msg=owl_strdup(msg);
474  owl_text_wordunwrap(format_msg);
475 
476  /* send the message */
477  ret=owl_aim_send_im(to, format_msg);
478  if (!ret) {
479    owl_function_makemsg("AIM message sent.");
480  } else {
481    owl_function_error("Could not send AIM message.");
482  }
483
484  /* create the outgoing message */
485  m=owl_function_make_outgoing_aim(msg, to);
486
487  if (m) {
488    owl_global_messagequeue_addmsg(&g, m);
489  } else {
490    owl_function_error("Could not create outgoing AIM message");
491  }
492
493  owl_free(format_msg);
494}
495
496void owl_function_send_aimawymsg(const char *to, const char *msg)
497{
498  int ret;
499  char *format_msg;
500  owl_message *m;
501
502  /* make a formatted copy of the message */
503  format_msg=owl_strdup(msg);
504  owl_text_wordunwrap(format_msg);
505 
506  /* send the message */
507  ret=owl_aim_send_awaymsg(to, format_msg);
508  if (!ret) {
509    /* owl_function_makemsg("AIM message sent."); */
510  } else {
511    owl_function_error("Could not send AIM message.");
512  }
513
514  /* create the message */
515  m=owl_function_make_outgoing_aim(msg, to);
516  if (m) {
517    owl_global_messagequeue_addmsg(&g, m);
518  } else {
519    owl_function_error("Could not create AIM message");
520  }
521  owl_free(format_msg);
522}
523
524void owl_callback_loopwrite(owl_editwin *e) {
525  owl_function_loopwrite(owl_editwin_get_text(e));
526}
527
528void owl_function_loopwrite(const char *msg)
529{
530  owl_message *min, *mout;
531
532  /* create a message and put it on the message queue.  This simulates
533   * an incoming message */
534  min=owl_malloc(sizeof(owl_message));
535  mout=owl_function_make_outgoing_loopback(msg);
536
537  if (owl_global_is_displayoutgoing(&g)) {
538    owl_global_messagequeue_addmsg(&g, mout);
539  } else {
540    owl_message_delete(mout);
541  }
542
543  owl_message_create_loopback(min, msg);
544  owl_message_set_direction_in(min);
545  owl_global_messagequeue_addmsg(&g, min);
546
547  /* fake a makemsg */
548  owl_function_makemsg("loopback message sent");
549}
550
551/* If filter is non-null, looks for the next message matching
552 * that filter.  If skip_deleted, skips any deleted messages.
553 * If last_if_none, will stop at the last message in the view
554 * if no matching messages are found.  */
555void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
556{
557  int curmsg, i, viewsize, found;
558  const owl_view *v;
559  const owl_filter *f = NULL;
560  const owl_message *m;
561
562  v=owl_global_get_current_view(&g);
563
564  if (filter) {
565    f=owl_global_get_filter(&g, filter);
566    if (!f) {
567      owl_function_error("No %s filter defined", filter);
568      return;
569    }
570  }
571
572  curmsg=owl_global_get_curmsg(&g);
573  viewsize=owl_view_get_size(v);
574  found=0;
575
576  /* just check to make sure we're in bounds... */
577  if (curmsg>viewsize-1) curmsg=viewsize-1;
578  if (curmsg<0) curmsg=0;
579
580  for (i=curmsg+1; i<viewsize; i++) {
581    m=owl_view_get_element(v, i);
582    if (skip_deleted && owl_message_is_delete(m)) continue;
583    if (f && !owl_filter_message_match(f, m)) continue;
584    found = 1;
585    break;
586  }
587
588  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
589  if (i<0) i=0;
590
591  if (!found) {
592    owl_function_makemsg("already at last%s message%s%s%s",
593                         skip_deleted?" non-deleted":"",
594                         filter?" in ":"", filter?filter:"",
595                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
596                         ", press Enter to scroll" : "");
597    /* if (!skip_deleted) owl_function_beep(); */
598  }
599
600  if (last_if_none || found) {
601    owl_global_set_curmsg(&g, i);
602    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
603    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
604    owl_global_set_direction_downwards(&g);
605  }
606}
607
608void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
609{
610  int curmsg, i, found;
611  const owl_view *v;
612  const owl_filter *f = NULL;
613  const owl_message *m;
614
615  v=owl_global_get_current_view(&g);
616
617  if (filter) {
618    f=owl_global_get_filter(&g, filter);
619    if (!f) {
620      owl_function_error("No %s filter defined", filter);
621      return;
622    }
623  }
624
625  curmsg=owl_global_get_curmsg(&g);
626  found=0;
627
628  /* just check to make sure we're in bounds... */
629  if (curmsg<0) curmsg=0;
630
631  for (i=curmsg-1; i>=0; i--) {
632    m=owl_view_get_element(v, i);
633    if (skip_deleted && owl_message_is_delete(m)) continue;
634    if (f && !owl_filter_message_match(f, m)) continue;
635    found = 1;
636    break;
637  }
638
639  if (i<0) i=0;
640
641  if (!found) {
642    owl_function_makemsg("already at first%s message%s%s",
643                         skip_deleted?" non-deleted":"",
644                         filter?" in ":"", filter?filter:"");
645    /* if (!skip_deleted) owl_function_beep(); */
646  }
647
648  if (first_if_none || found) {
649    owl_global_set_curmsg(&g, i);
650    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
651    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
652    owl_global_set_direction_upwards(&g);
653  }
654}
655
656void owl_function_nextmsg(void)
657{
658  owl_function_nextmsg_full(NULL, 0, 1);
659}
660
661void owl_function_prevmsg(void)
662{
663  owl_function_prevmsg_full(NULL, 0, 1);
664}
665
666void owl_function_nextmsg_notdeleted(void)
667{
668  owl_function_nextmsg_full(NULL, 1, 1);
669}
670
671void owl_function_prevmsg_notdeleted(void)
672{
673  owl_function_prevmsg_full(NULL, 1, 1);
674}
675
676/* if move_after is 1, moves after the delete */
677void owl_function_deletecur(int move_after)
678{
679  int curmsg;
680  owl_view *v;
681
682  v=owl_global_get_current_view(&g);
683
684  /* bail if there's no current message */
685  if (owl_view_get_size(v) < 1) {
686    owl_function_error("No current message to delete");
687    return;
688  }
689
690  /* mark the message for deletion */
691  curmsg=owl_global_get_curmsg(&g);
692  owl_view_delete_element(v, curmsg);
693
694  if (move_after) {
695    /* move the poiner in the appropriate direction
696     * to the next undeleted msg */
697    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
698      owl_function_prevmsg_notdeleted();
699    } else {
700      owl_function_nextmsg_notdeleted();
701    }
702  }
703}
704
705void owl_function_undeletecur(int move_after)
706{
707  int curmsg;
708  owl_view *v;
709
710  v=owl_global_get_current_view(&g);
711 
712  if (owl_view_get_size(v) < 1) {
713    owl_function_error("No current message to undelete");
714    return;
715  }
716  curmsg=owl_global_get_curmsg(&g);
717
718  owl_view_undelete_element(v, curmsg);
719
720  if (move_after) {
721    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
722      if (curmsg>0) {
723        owl_function_prevmsg();
724      } else {
725        owl_function_nextmsg();
726      }
727    } else {
728      owl_function_nextmsg();
729    }
730  }
731
732  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
733}
734
735void owl_function_expunge(void)
736{
737  int curmsg;
738  const owl_message *m;
739  owl_messagelist *ml;
740  owl_view *v;
741  int lastmsgid=0;
742
743  curmsg=owl_global_get_curmsg(&g);
744  v=owl_global_get_current_view(&g);
745  ml=owl_global_get_msglist(&g);
746
747  m=owl_view_get_element(v, curmsg);
748  if (m) lastmsgid = owl_message_get_id(m);
749
750  /* expunge the message list */
751  owl_messagelist_expunge(ml);
752
753  /* update all views (we only have one right now) */
754  owl_view_recalculate(v);
755
756  /* find where the new position should be
757     (as close as possible to where we last where) */
758  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
759  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
760  if (curmsg<0) curmsg = 0;
761  owl_global_set_curmsg(&g, curmsg);
762  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
763  /* if there are no messages set the direction to down in case we
764     delete everything upwards */
765  owl_global_set_direction_downwards(&g);
766 
767  owl_function_makemsg("Messages expunged");
768  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
769}
770
771void owl_function_firstmsg(void)
772{
773  owl_global_set_curmsg(&g, 0);
774  owl_global_set_topmsg(&g, 0);
775  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
776  owl_global_set_direction_downwards(&g);
777}
778
779void owl_function_lastmsg_noredisplay(void)
780{
781  int oldcurmsg, curmsg;
782  const owl_view *v;
783
784  v=owl_global_get_current_view(&g);
785  oldcurmsg=owl_global_get_curmsg(&g);
786  curmsg=owl_view_get_size(v)-1; 
787  if (curmsg<0) curmsg=0;
788  owl_global_set_curmsg(&g, curmsg);
789  if (oldcurmsg < curmsg) {
790    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
791  } else if (curmsg<owl_view_get_size(v)) {
792    /* If already at the end, blank the screen and move curmsg
793     * past the end of the messages. */
794    owl_global_set_topmsg(&g, curmsg+1);
795    owl_global_set_curmsg(&g, curmsg+1);
796  } 
797  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
798  owl_global_set_direction_downwards(&g);
799}
800
801void owl_function_lastmsg(void)
802{
803  owl_function_lastmsg_noredisplay();
804  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
805}
806
807void owl_function_shift_right(void)
808{
809  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
810  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
811  owl_global_set_needrefresh(&g);
812}
813
814void owl_function_shift_left(void)
815{
816  int shift;
817
818  shift=owl_global_get_rightshift(&g);
819  if (shift > 0) {
820    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
821    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
822    owl_global_set_needrefresh(&g);
823  } else {
824    owl_function_beep();
825    owl_function_makemsg("Already full left");
826  }
827}
828
829void owl_function_unsuball(void)
830{
831  unsuball();
832  owl_function_makemsg("Unsubscribed from all messages.");
833}
834
835
836/* Load zephyr subscriptions from the named 'file' and load zephyr's
837 * default subscriptions as well.  An error message is printed if
838 * 'file' can't be opened or if zephyr reports an error in
839 * subscribing.
840 *
841 * If 'file' is NULL, this look for the default filename
842 * $HOME/.zephyr.subs.  If the file can not be opened in this case
843 * only, no error message is printed.
844 */
845void owl_function_loadsubs(const char *file)
846{
847  int ret, ret2;
848  const char *foo;
849  char *path;
850
851  if (file==NULL) {
852    ret=owl_zephyr_loadsubs(NULL, 0);
853  } else {
854    path = owl_util_makepath(file);
855    ret=owl_zephyr_loadsubs(path, 1);
856    owl_free(path);
857  }
858
859  /* for backwards compatibility for now */
860  ret2=owl_zephyr_loaddefaultsubs();
861
862  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
863
864  foo=file?file:"file";
865  if (ret==0 && ret2==0) {
866    if (!file) {
867      owl_function_makemsg("Subscribed to messages.");
868    } else {
869      owl_function_makemsg("Subscribed to messages from %s", file);
870    }
871  } else if (ret==-1) {
872    owl_function_error("Could not read %s", foo);
873  } else {
874    owl_function_error("Error subscribing to messages");
875  }
876}
877
878void owl_function_loadloginsubs(const char *file)
879{
880  int ret;
881
882  ret=owl_zephyr_loadloginsubs(file);
883
884  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
885  if (ret==0) {
886  } else if (ret==-1) {
887    owl_function_error("Could not open file for login subscriptions.");
888  } else {
889    owl_function_error("Error subscribing to login messages from file.");
890  }
891}
892
893void owl_callback_aimlogin(owl_editwin *e) {
894  char *user = owl_editwin_get_cbdata(e);
895  owl_function_aimlogin(user,
896                        owl_editwin_get_text(e));
897}
898
899void owl_function_aimlogin(const char *user, const char *passwd) {
900  int ret;
901
902  /* clear the buddylist */
903  owl_buddylist_clear(owl_global_get_buddylist(&g));
904
905  /* try to login */
906  ret=owl_aim_login(user, passwd);
907  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
908}
909
910void owl_function_suspend(void)
911{
912  endwin();
913  printf("\n");
914  kill(getpid(), SIGSTOP);
915
916  /* resize to reinitialize all the windows when we come back */
917  owl_command_resize();
918}
919
920void owl_function_zaway_toggle(void)
921{
922  if (!owl_global_is_zaway(&g)) {
923    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
924    owl_function_zaway_on();
925  } else {
926    owl_function_zaway_off();
927  }
928}
929
930void owl_function_zaway_on(void)
931{
932  owl_global_set_zaway_on(&g);
933  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
934}
935
936void owl_function_zaway_off(void)
937{
938  owl_global_set_zaway_off(&g);
939  owl_function_makemsg("zaway off");
940}
941
942void owl_function_aaway_toggle(void)
943{
944  if (!owl_global_is_aaway(&g)) {
945    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
946    owl_function_aaway_on();
947  } else {
948    owl_function_aaway_off();
949  }
950}
951
952void owl_function_aaway_on(void)
953{
954  owl_global_set_aaway_on(&g);
955  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
956  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
957}
958
959void owl_function_aaway_off(void)
960{
961  owl_global_set_aaway_off(&g);
962  /* owl_aim_set_awaymsg(""); */
963  owl_function_makemsg("AIM away off");
964}
965
966void owl_function_quit(void)
967{
968  char *ret;
969 
970  /* zlog out if we need to */
971  if (owl_global_is_havezephyr(&g) &&
972      owl_global_is_shutdownlogout(&g)) {
973    owl_zephyr_zlog_out();
974  }
975
976  /* execute the commands in shutdown */
977  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
978  if (ret) owl_free(ret);
979
980  /* signal our child process, if any */
981  if (owl_global_get_newmsgproc_pid(&g)) {
982    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
983  }
984
985  /* Quit zephyr */
986  owl_zephyr_shutdown();
987 
988  /* Quit AIM */
989  if (owl_global_is_aimloggedin(&g)) {
990    owl_aim_logout();
991  }
992
993  /* done with curses */
994  endwin();
995
996  /* restore terminal settings */
997  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
998
999  owl_function_debugmsg("Quitting Owl");
1000  exit(0);
1001}
1002
1003void owl_function_calculate_topmsg(int direction)
1004{
1005  int recwinlines, topmsg, curmsg;
1006  const owl_view *v;
1007
1008  v=owl_global_get_current_view(&g);
1009  curmsg=owl_global_get_curmsg(&g);
1010  topmsg=owl_global_get_topmsg(&g);
1011  recwinlines=owl_global_get_recwin_lines(&g);
1012
1013  /*
1014  if (owl_view_get_size(v) < 1) {
1015    return;
1016  }
1017  */
1018
1019  switch (owl_global_get_scrollmode(&g)) {
1020  case OWL_SCROLLMODE_TOP:
1021    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1022    break;
1023  case OWL_SCROLLMODE_NEARTOP:
1024    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1025    break;
1026  case OWL_SCROLLMODE_CENTER:
1027    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1028    break;
1029  case OWL_SCROLLMODE_PAGED:
1030    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1031    break;
1032  case OWL_SCROLLMODE_PAGEDCENTER:
1033    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1034    break;
1035  case OWL_SCROLLMODE_NORMAL:
1036  default:
1037    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1038  }
1039  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1040  owl_global_set_topmsg(&g, topmsg);
1041}
1042
1043/* Returns what the new topmsg should be. 
1044 * Passed the last direction of movement,
1045 * the current view,
1046 * the current message number in the view,
1047 * the top message currently being displayed,
1048 * and the number of lines in the recwin.
1049 */
1050int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1051{
1052  return(curmsg);
1053}
1054
1055int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1056{
1057  if (curmsg>0 
1058      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1059          <  recwinlines/2)) {
1060    return(curmsg-1);
1061  } else {
1062    return(curmsg);
1063  }
1064}
1065 
1066int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1067{
1068  int i, last, lines;
1069
1070  last = curmsg;
1071  lines = 0;
1072  for (i=curmsg-1; i>=0; i--) {
1073    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1074    if (lines > recwinlines/2) break;
1075    last = i;
1076  }
1077  return(last);
1078}
1079 
1080int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1081{
1082  int i, last, lines, savey;
1083 
1084  /* If we're off the top of the screen, scroll up such that the
1085   * curmsg is near the botton of the screen. */
1086  if (curmsg < topmsg) {
1087    last = curmsg;
1088    lines = 0;
1089    for (i=curmsg; i>=0; i--) {
1090      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1091      if (lines > recwinlines) break;
1092    last = i;
1093    }
1094    if (center_on_page) {
1095      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1096    } else {
1097      return(last);
1098    }
1099  }
1100
1101  /* Find number of lines from top to bottom of curmsg (store in savey) */
1102  savey=0;
1103  for (i=topmsg; i<=curmsg; i++) {
1104    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1105  }
1106
1107  /* if we're off the bottom of the screen, scroll down */
1108  if (savey > recwinlines) {
1109    if (center_on_page) {
1110      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1111    } else {
1112      return(curmsg);
1113    }
1114  }
1115
1116  /* else just stay as we are... */
1117  return(topmsg);
1118}
1119
1120int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1121{
1122  int savey, i, foo, y;
1123
1124  if (curmsg<0) return(topmsg);
1125   
1126  /* If we're off the top of the screen then center */
1127  if (curmsg<topmsg) {
1128    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1129  }
1130
1131  /* If curmsg is so far past topmsg that there are more messages than
1132     lines, skip the line counting that follows because we're
1133     certainly off screen.  */
1134  savey=curmsg-topmsg;
1135  if (savey <= recwinlines) {
1136    /* Find number of lines from top to bottom of curmsg (store in savey) */
1137    savey = 0;
1138    for (i=topmsg; i<=curmsg; i++) {
1139      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1140    }
1141  }
1142
1143  /* If we're off the bottom of the screen, set the topmsg to curmsg
1144   * and scroll upwards */
1145  if (savey > recwinlines) {
1146    topmsg=curmsg;
1147    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1148    direction=OWL_DIRECTION_UPWARDS;
1149  }
1150 
1151  /* If our bottom line is less than 1/4 down the screen then scroll up */
1152  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1153    if (savey < (recwinlines / 4)) {
1154      y=0;
1155      for (i=curmsg; i>=0; i--) {
1156        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1157        /* will we run the curmsg off the screen? */
1158        if ((foo+y) >= recwinlines) {
1159          i++;
1160          if (i>curmsg) i=curmsg;
1161          break;
1162        }
1163        /* have saved 1/2 the screen space? */
1164        y+=foo;
1165        if (y > (recwinlines / 2)) break;
1166      }
1167      if (i<0) i=0;
1168      return(i);
1169    }
1170  }
1171
1172  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1173    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1174    if (savey > ((recwinlines * 3)/4)) {
1175      y=0;
1176      /* count lines from the top until we can save 1/2 the screen size */
1177      for (i=topmsg; i<curmsg; i++) {
1178        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1179        if (y > (recwinlines / 2)) break;
1180      }
1181      if (i==curmsg) {
1182        i--;
1183      }
1184      return(i+1);
1185    }
1186  }
1187
1188  return(topmsg);
1189}
1190
1191void owl_function_resize(void)
1192{
1193  owl_global_set_resize_pending(&g);
1194}
1195
1196void owl_function_debugmsg(const char *fmt, ...)
1197{
1198  FILE *file;
1199  time_t now;
1200  va_list ap;
1201  va_start(ap, fmt);
1202
1203  if (!owl_global_is_debug_fast(&g))
1204    return;
1205
1206  file = fopen(owl_global_get_debug_file(&g), "a");
1207  if (!file) /* XXX should report this */
1208    return;
1209
1210  now = time(NULL);
1211
1212  fprintf(file, "[%d -  %.24s - %lds]: ",
1213          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1214  vfprintf(file, fmt, ap);
1215  putc('\n', file);
1216  fclose(file);
1217
1218  va_end(ap);
1219}
1220
1221void owl_function_beep(void)
1222{
1223  if (owl_global_is_bell(&g)) {
1224    beep();
1225    owl_global_set_needrefresh(&g); /* do we really need this? */
1226  }
1227}
1228
1229int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1230{
1231  int ret;
1232
1233  ret=owl_zephyr_sub(class, inst, recip);
1234  if (ret) {
1235    owl_function_error("Error subscribing.");
1236  } else {
1237    owl_function_makemsg("Subscribed.");
1238  }
1239  return(ret);
1240}
1241
1242void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1243{
1244  int ret;
1245
1246  ret=owl_zephyr_unsub(class, inst, recip);
1247  if (ret) {
1248    owl_function_error("Error subscribing.");
1249  } else {
1250    owl_function_makemsg("Unsubscribed.");
1251  }
1252}
1253
1254void owl_function_set_cursor(WINDOW *win)
1255{
1256  /* Be careful that this window is actually empty, otherwise panels get confused */
1257  if (is_wintouched(win)) {
1258    owl_function_debugmsg("Warning: owl_function_set_cursor called on dirty window");
1259    update_panels();
1260  }
1261  wnoutrefresh(win);
1262}
1263
1264void owl_function_full_redisplay(void)
1265{
1266  touchwin(owl_global_get_curs_recwin(&g));
1267  touchwin(owl_global_get_curs_sepwin(&g));
1268  touchwin(owl_global_get_curs_typwin(&g));
1269  touchwin(owl_global_get_curs_msgwin(&g));
1270
1271  sepbar("");
1272  owl_function_makemsg("");
1273
1274  owl_global_set_needrefresh(&g);
1275}
1276
1277void owl_function_popless_text(const char *text)
1278{
1279  owl_popwin *pw;
1280  owl_viewwin *v;
1281
1282  pw=owl_global_get_popwin(&g);
1283  v=owl_global_get_viewwin(&g);
1284
1285  owl_popwin_up(pw);
1286  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1287  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1288                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1289                        text);
1290  owl_viewwin_redisplay(v);
1291  owl_global_set_needrefresh(&g);
1292}
1293
1294void owl_function_popless_fmtext(const owl_fmtext *fm)
1295{
1296  owl_popwin *pw;
1297  owl_viewwin *v;
1298
1299  pw=owl_global_get_popwin(&g);
1300  v=owl_global_get_viewwin(&g);
1301
1302  owl_popwin_up(pw);
1303  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1304  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1305                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1306                   fm);
1307  owl_viewwin_redisplay(v);
1308  owl_global_set_needrefresh(&g);
1309}
1310
1311void owl_function_popless_file(const char *filename)
1312{
1313  owl_fmtext fm;
1314  FILE *file;
1315  char *s = NULL;
1316
1317  file=fopen(filename, "r");
1318  if (!file) {
1319    owl_function_error("Could not open file: %s", filename);
1320    return;
1321  }
1322
1323  owl_fmtext_init_null(&fm);
1324  while (owl_getline(&s, file))
1325    owl_fmtext_append_normal(&fm, s);
1326  owl_free(s);
1327
1328  owl_function_popless_fmtext(&fm);
1329  owl_fmtext_cleanup(&fm);
1330  fclose(file);
1331}
1332
1333void owl_function_about(void)
1334{
1335  owl_function_popless_text(
1336    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1337    "barnowl is a fork of the Owl zephyr client, written and\n"
1338    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1339    "Massachusetts Institute of Technology. \n"
1340    "\n"
1341    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1342    "released in March 2002.\n"
1343    "\n"
1344    "The name 'owl' was chosen in reference to the owls in the\n"
1345    "Harry Potter novels, who are tasked with carrying messages\n"
1346    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1347    "because we feel our owls should live closer to our ponies.\n"
1348    "\n"
1349    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
1350    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1351    "Copyright 2002 Massachusetts Institute of Technology\n"
1352    "\n"
1353    "This program is free software. You can redistribute it and/or\n"
1354    "modify under the terms of the Sleepycat License. Use the \n"
1355    "':show license' command to display the full license\n"
1356  );
1357}
1358
1359void owl_function_info(void)
1360{
1361  const owl_message *m;
1362  owl_fmtext fm, attrfm;
1363  const owl_view *v;
1364#ifdef HAVE_LIBZEPHYR
1365  const ZNotice_t *n;
1366#endif
1367
1368  owl_fmtext_init_null(&fm);
1369 
1370  v=owl_global_get_current_view(&g);
1371  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1372  if (!m || owl_view_get_size(v)==0) {
1373    owl_function_error("No message selected\n");
1374    return;
1375  }
1376
1377  owl_fmtext_append_bold(&fm, "General Information:\n");
1378  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1379
1380  owl_fmtext_append_normal(&fm, "  Type      : ");
1381  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1382  owl_fmtext_append_normal(&fm, "\n");
1383
1384  if (owl_message_is_direction_in(m)) {
1385    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1386  } else if (owl_message_is_direction_out(m)) {
1387    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1388  } else if (owl_message_is_direction_none(m)) {
1389    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1390  } else {
1391    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1392  }
1393
1394  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1395
1396  if (!owl_message_is_type_admin(m)) {
1397    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1398    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1399  }
1400
1401  if (owl_message_is_type_zephyr(m)) {
1402    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1403   
1404    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1405    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1406    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1407#ifdef HAVE_LIBZEPHYR
1408    if (owl_message_is_direction_in(m)) {
1409      char *ptr, tmpbuff[1024];
1410      int i, j, fields, len;
1411
1412      n=owl_message_get_notice(m);
1413
1414      if (!owl_message_is_pseudo(m)) {
1415        owl_fmtext_append_normal(&fm, "  Kind      : ");
1416        if (n->z_kind==UNSAFE) {
1417          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1418        } else if (n->z_kind==UNACKED) {
1419          owl_fmtext_append_normal(&fm, "UNACKED\n");
1420        } else if (n->z_kind==ACKED) {
1421          owl_fmtext_append_normal(&fm, "ACKED\n");
1422        } else if (n->z_kind==HMACK) {
1423          owl_fmtext_append_normal(&fm, "HMACK\n");
1424        } else if (n->z_kind==HMCTL) {
1425          owl_fmtext_append_normal(&fm, "HMCTL\n");
1426        } else if (n->z_kind==SERVACK) {
1427          owl_fmtext_append_normal(&fm, "SERVACK\n");
1428        } else if (n->z_kind==SERVNAK) {
1429          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1430        } else if (n->z_kind==CLIENTACK) {
1431          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1432        } else if (n->z_kind==STAT) {
1433          owl_fmtext_append_normal(&fm, "STAT\n");
1434        } else {
1435          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1436        }
1437      }
1438      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1439
1440      if (!owl_message_is_pseudo(m)) {
1441        owl_fmtext_append_normal(&fm, "\n");
1442        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1443        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1444
1445        /* FIXME make these more descriptive */
1446        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1447        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1448        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1449        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1450
1451        fields=owl_zephyr_get_num_fields(n);
1452        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1453
1454        for (i=0; i<fields; i++) {
1455          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1456          len=strlen(ptr);
1457          if (len<30) {
1458            strncpy(tmpbuff, ptr, len);
1459            tmpbuff[len]='\0';
1460          } else {
1461            strncpy(tmpbuff, ptr, 30);
1462            tmpbuff[30]='\0';
1463            strcat(tmpbuff, "...");
1464          }
1465          owl_free(ptr);
1466
1467          for (j=0; j<strlen(tmpbuff); j++) {
1468            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1469            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1470          }
1471
1472          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1473        }
1474        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1475      }
1476
1477    }
1478#endif
1479  }
1480
1481  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1482  owl_message_attributes_tofmtext(m, &attrfm);
1483  owl_fmtext_append_fmtext(&fm, &attrfm);
1484 
1485  owl_function_popless_fmtext(&fm);
1486  owl_fmtext_cleanup(&fm);
1487  owl_fmtext_cleanup(&attrfm);
1488}
1489
1490/* print the current message in a popup window.
1491 * Use the 'default' style regardless of whatever
1492 * style the user may be using
1493 */
1494void owl_function_curmsg_to_popwin(void)
1495{
1496  const owl_view *v;
1497  const owl_message *m;
1498  const owl_style *s;
1499  owl_fmtext fm;
1500
1501  v=owl_global_get_current_view(&g);
1502  s=owl_global_get_style_by_name(&g, "default");
1503
1504  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1505
1506  if (!m || owl_view_get_size(v)==0) {
1507    owl_function_error("No current message");
1508    return;
1509  }
1510
1511  owl_fmtext_init_null(&fm);
1512  owl_style_get_formattext(s, &fm, m);
1513
1514  owl_function_popless_fmtext(&fm);
1515  owl_fmtext_cleanup(&fm);
1516}
1517
1518void owl_function_page_curmsg(int step)
1519{
1520  /* scroll down or up within the current message IF the message is truncated */
1521
1522  int offset, curmsg, lines;
1523  const owl_view *v;
1524  owl_message *m;
1525
1526  offset=owl_global_get_curmsg_vert_offset(&g);
1527  v=owl_global_get_current_view(&g);
1528  curmsg=owl_global_get_curmsg(&g);
1529  m=owl_view_get_element(v, curmsg);
1530  if (!m || owl_view_get_size(v)==0) return;
1531  lines=owl_message_get_numlines(m);
1532
1533  if (offset==0) {
1534    /* Bail if the curmsg isn't the last one displayed */
1535    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1536      owl_function_makemsg("The entire message is already displayed");
1537      return;
1538    }
1539   
1540    /* Bail if we're not truncated */
1541    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1542      owl_function_makemsg("The entire message is already displayed");
1543      return;
1544    }
1545  }
1546 
1547 
1548  /* don't scroll past the last line */
1549  if (step>0) {
1550    if (offset+step > lines-1) {
1551      owl_global_set_curmsg_vert_offset(&g, lines-1);
1552    } else {
1553      owl_global_set_curmsg_vert_offset(&g, offset+step);
1554    }
1555  }
1556
1557  /* would we be before the beginning of the message? */
1558  if (step<0) {
1559    if (offset+step<0) {
1560      owl_global_set_curmsg_vert_offset(&g, 0);
1561    } else {
1562      owl_global_set_curmsg_vert_offset(&g, offset+step);
1563    }
1564  }
1565 
1566  /* redisplay */
1567  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1568  owl_global_set_needrefresh(&g);
1569}
1570
1571void owl_function_resize_typwin(int newsize)
1572{
1573  owl_global_set_typwin_lines(&g, newsize);
1574  owl_global_set_relayout_pending(&g);
1575}
1576
1577void owl_function_mainwin_pagedown(void)
1578{
1579  int i;
1580
1581  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1582  if (i<0) return;
1583  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1584      && (owl_global_get_curmsg(&g) < i)
1585      && (i>0)) {
1586    i--;
1587  }
1588  owl_global_set_curmsg(&g, i);
1589  owl_function_nextmsg();
1590}
1591
1592void owl_function_mainwin_pageup(void)
1593{
1594  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1595  owl_function_prevmsg();
1596}
1597
1598void owl_function_getsubs(void)
1599{
1600  char *buff;
1601
1602  buff=owl_zephyr_getsubs();
1603
1604  if (buff) {
1605    owl_function_popless_text(buff);
1606  } else {
1607    owl_function_popless_text("Error getting subscriptions");
1608  }
1609           
1610  owl_free(buff);
1611}
1612
1613void owl_function_printallvars(void)
1614{
1615  const char *name;
1616  char var[LINE];
1617  owl_list varnames;
1618  int i, numvarnames;
1619  GString *str   = g_string_new("");
1620
1621  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1622  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1623  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1624  numvarnames = owl_list_get_size(&varnames);
1625  for (i=0; i<numvarnames; i++) {
1626    name = owl_list_get_element(&varnames, i);
1627    if (name && name[0]!='_') {
1628      g_string_append_printf(str, "\n%-20s = ", name);
1629      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1630      g_string_append(str, var);
1631    }
1632  }
1633  g_string_append(str, "\n");
1634  owl_variable_dict_namelist_cleanup(&varnames);
1635
1636  owl_function_popless_text(str->str);
1637  g_string_free(str, TRUE);
1638}
1639
1640void owl_function_show_variables(void)
1641{
1642  owl_list varnames;
1643  owl_fmtext fm; 
1644  int i, numvarnames;
1645  const char *varname;
1646
1647  owl_fmtext_init_null(&fm);
1648  owl_fmtext_append_bold(&fm, 
1649      "Variables: (use 'show variable <name>' for details)\n");
1650  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1651  numvarnames = owl_list_get_size(&varnames);
1652  for (i=0; i<numvarnames; i++) {
1653    varname = owl_list_get_element(&varnames, i);
1654    if (varname && varname[0]!='_') {
1655      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1656    }
1657  }
1658  owl_variable_dict_namelist_cleanup(&varnames);
1659  owl_function_popless_fmtext(&fm);
1660  owl_fmtext_cleanup(&fm);
1661}
1662
1663void owl_function_show_variable(const char *name)
1664{
1665  owl_fmtext fm; 
1666
1667  owl_fmtext_init_null(&fm);
1668  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1669  owl_function_popless_fmtext(&fm);
1670  owl_fmtext_cleanup(&fm);
1671}
1672
1673/* note: this applies to global message list, not to view.
1674 * If flag is 1, deletes.  If flag is 0, undeletes. */
1675void owl_function_delete_by_id(int id, int flag)
1676{
1677  const owl_messagelist *ml;
1678  owl_message *m;
1679  ml = owl_global_get_msglist(&g);
1680  m = owl_messagelist_get_by_id(ml, id);
1681  if (m) {
1682    if (flag == 1) {
1683      owl_message_mark_delete(m);
1684    } else if (flag == 0) {
1685      owl_message_unmark_delete(m);
1686    }
1687    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1688    owl_global_set_needrefresh(&g);
1689  } else {
1690    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1691  }
1692}
1693
1694void owl_function_delete_automsgs(void)
1695{
1696  /* mark for deletion all messages in the current view that match the
1697   * 'trash' filter */
1698
1699  int i, j, count;
1700  owl_message *m;
1701  const owl_view *v;
1702  const owl_filter *f;
1703
1704  /* get the trash filter */
1705  f=owl_global_get_filter(&g, "trash");
1706  if (!f) {
1707    owl_function_error("No trash filter defined");
1708    return;
1709  }
1710
1711  v=owl_global_get_current_view(&g);
1712
1713  count=0;
1714  j=owl_view_get_size(v);
1715  for (i=0; i<j; i++) {
1716    m=owl_view_get_element(v, i);
1717    if (owl_filter_message_match(f, m)) {
1718      count++;
1719      owl_message_mark_delete(m);
1720    }
1721  }
1722  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1723  owl_function_makemsg("%i messages marked for deletion", count);
1724  owl_global_set_needrefresh(&g);
1725}
1726
1727void owl_function_status(void)
1728{
1729  char buff[MAXPATHLEN+1];
1730  time_t start;
1731  int up, days, hours, minutes;
1732  owl_fmtext fm;
1733
1734  owl_fmtext_init_null(&fm);
1735
1736  start=owl_global_get_starttime(&g);
1737
1738  owl_fmtext_append_normal(&fm, "General Information:\n");
1739
1740  owl_fmtext_append_normal(&fm, "  Version: ");
1741  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1742  owl_fmtext_append_normal(&fm, "\n");
1743
1744  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1745  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1746  owl_fmtext_append_normal(&fm, "\n");
1747
1748  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1749  if(getcwd(buff, MAXPATHLEN) == NULL) {
1750    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1751  } else {
1752    owl_fmtext_append_normal(&fm, buff);
1753  }
1754  owl_fmtext_append_normal(&fm, "\n");
1755
1756  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1757
1758  up=owl_global_get_runtime(&g);
1759  days=up/86400;
1760  up-=days*86400;
1761  hours=up/3600;
1762  up-=hours*3600;
1763  minutes=up/60;
1764  up-=minutes*60;
1765  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1766
1767  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1768  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1769  if (owl_global_is_havezephyr(&g)) {
1770    owl_fmtext_append_normal(&fm, "yes\n");
1771  } else {
1772    owl_fmtext_append_normal(&fm, "no\n");
1773  }
1774  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1775  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1776
1777
1778  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1779  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1780#if OWL_STDERR_REDIR
1781  owl_fmtext_append_normal(&fm, "yes\n");
1782#else
1783  owl_fmtext_append_normal(&fm, "no\n");
1784#endif
1785 
1786
1787  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1788  owl_fmtext_append_normal(&fm, "  Logged in: ");
1789  if (owl_global_is_aimloggedin(&g)) {
1790    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1791    owl_fmtext_append_normal(&fm, "\n");
1792  } else {
1793    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1794  }
1795
1796  owl_fmtext_append_normal(&fm, "  Processing events: ");
1797  if (owl_global_is_doaimevents(&g)) {
1798    owl_fmtext_append_normal(&fm, "yes\n");
1799  } else {
1800    owl_fmtext_append_normal(&fm, "no\n");
1801  }
1802
1803  owl_function_popless_fmtext(&fm);
1804  owl_fmtext_cleanup(&fm);
1805}
1806
1807void owl_function_show_term(void)
1808{
1809  owl_fmtext fm;
1810
1811  owl_fmtext_init_null(&fm);
1812  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1813          owl_global_get_lines(&g),
1814          owl_global_get_cols(&g));
1815
1816  if (owl_global_get_hascolors(&g)) {
1817    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1818    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1819    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1820  } else {
1821    owl_fmtext_append_normal(&fm, "Color: No\n");
1822  }
1823
1824  owl_function_popless_fmtext(&fm);
1825  owl_fmtext_cleanup(&fm);
1826}
1827
1828/* if type = 0 then normal reply.
1829 * if type = 1 then it's a reply to sender
1830 * if enter = 0 then allow the command to be edited
1831 * if enter = 1 then don't wait for editing
1832 */
1833void owl_function_reply(int type, int enter)
1834{
1835  char *buff=NULL;
1836  const owl_message *m;
1837  const owl_filter *f;
1838 
1839  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1840    owl_function_error("No message selected");
1841  } else {
1842    char *cmd;
1843   
1844    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1845    if (!m) {
1846      owl_function_error("No message selected");
1847      return;
1848    }
1849
1850    /* first check if we catch the reply-lockout filter */
1851    f=owl_global_get_filter(&g, "reply-lockout");
1852    if (f) {
1853      if (owl_filter_message_match(f, m)) {
1854        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1855        return;
1856      }
1857    }
1858
1859    /* then check if it's a question and just bring up the command prompt */
1860    if (owl_message_is_question(m)) {
1861      owl_function_start_command("");
1862      return;
1863    }
1864
1865    if((type == 0 &&
1866        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1867       (type == 1 &&
1868        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1869      buff = cmd;
1870    }
1871
1872    if(!buff) {
1873        owl_function_error("I don't know how to reply to that message.");
1874        return;
1875    }
1876
1877    if (enter) {
1878      owl_history *hist = owl_global_get_cmd_history(&g);
1879      owl_history_store(hist, buff);
1880      owl_history_reset(hist);
1881      owl_function_command_norv(buff);
1882    } else {
1883      owl_function_start_command(buff);
1884    }
1885    owl_free(buff);
1886  }
1887}
1888
1889void owl_function_zlocate(int argc, const char *const *argv, int auth)
1890{
1891  owl_fmtext fm;
1892  char *ptr;
1893  char *result;
1894  int i;
1895
1896  owl_fmtext_init_null(&fm);
1897
1898  for (i=0; i<argc; i++) {
1899    ptr = long_zuser(argv[i]);
1900    result = owl_zephyr_zlocate(ptr, auth);
1901    owl_fmtext_append_normal(&fm, result);
1902    owl_free(result);
1903    owl_free(ptr);
1904  }
1905
1906  owl_function_popless_fmtext(&fm);
1907  owl_fmtext_cleanup(&fm);
1908}
1909
1910void owl_callback_command(owl_editwin *e)
1911{
1912  char *rv;
1913  const char *line = owl_editwin_get_text(e);
1914
1915  rv = owl_function_command(line);
1916   if (rv) {
1917    owl_function_makemsg("%s", rv);
1918    owl_free(rv);
1919  }
1920}
1921
1922void owl_function_start_command(const char *line)
1923{
1924  owl_editwin *tw;
1925
1926  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1927
1928  owl_editwin_set_locktext(tw, "command: ");
1929  owl_global_set_needrefresh(&g);
1930
1931  owl_editwin_insert_string(tw, line);
1932  owl_editwin_redisplay(tw);
1933
1934  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1935  owl_editwin_set_callback(tw, owl_callback_command);
1936}
1937
1938owl_editwin *owl_function_start_question(const char *line)
1939{
1940  owl_editwin *tw;
1941
1942  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1943
1944  owl_editwin_set_locktext(tw, line);
1945  owl_global_set_needrefresh(&g);
1946
1947  owl_editwin_redisplay(tw);
1948
1949  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1950  return tw;
1951}
1952
1953owl_editwin *owl_function_start_password(const char *line)
1954{
1955  owl_editwin *tw;
1956
1957  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1958
1959  owl_editwin_set_echochar(tw, '*');
1960
1961  owl_editwin_set_locktext(tw, line);
1962  owl_global_set_needrefresh(&g);
1963
1964  owl_editwin_redisplay(tw);
1965
1966  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1967  return tw;
1968}
1969
1970char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1971{
1972  /* if type == 1 display in a popup
1973   * if type == 2 display an admin messages
1974   * if type == 0 return output
1975   * else display in a popup
1976   */
1977  const char *redirect = " 2>&1 < /dev/null";
1978  char *newbuff;
1979  char *out;
1980  FILE *p;
1981
1982#if OWL_STDERR_REDIR
1983  redirect = " < /dev/null";
1984#endif
1985
1986  if (argc<2) {
1987    owl_function_error("Wrong number of arguments to the exec command");
1988    return NULL;
1989  }
1990
1991  buff = skiptokens(buff, 1);
1992  newbuff = owl_sprintf("%s%s", buff, redirect);
1993
1994  if (type == OWL_OUTPUT_POPUP) {
1995    owl_popexec_new(newbuff);
1996  } else {
1997    p = popen(newbuff, "r");
1998    out = owl_slurp(p);
1999    pclose(p);
2000   
2001    if (type == OWL_OUTPUT_POPUP) {
2002      owl_function_popless_text(out);
2003    } else if (type == OWL_OUTPUT_RETURN) {
2004      owl_free(newbuff);
2005      return out;
2006    } else if (type == OWL_OUTPUT_ADMINMSG) {
2007      owl_function_adminmsg(buff, out);
2008    } else {
2009      owl_function_popless_text(out);
2010    }
2011    owl_free(out);
2012  }
2013  owl_free(newbuff);
2014  return NULL;
2015}
2016
2017char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
2018{
2019  /* if type == 1 display in a popup
2020   * if type == 2 display an admin messages
2021   * if type == 0 return output
2022   * else display in a popup
2023   */
2024  char *perlout;
2025
2026  if (argc<2) {
2027    owl_function_error("Wrong number of arguments to perl command");
2028    return NULL;
2029  }
2030
2031  /* consume first token (argv[0]) */
2032  buff = skiptokens(buff, 1);
2033
2034  perlout = owl_perlconfig_execute(buff);
2035  if (perlout) { 
2036    if (type == OWL_OUTPUT_POPUP) {
2037      owl_function_popless_text(perlout);
2038    } else if (type == OWL_OUTPUT_ADMINMSG) {
2039      owl_function_adminmsg(buff, perlout);
2040    } else if (type == OWL_OUTPUT_RETURN) {
2041      return perlout;
2042    } else {
2043      owl_function_popless_text(perlout);
2044    }
2045    owl_free(perlout);
2046  }
2047  return NULL;
2048}
2049
2050/* Change the filter associated with the current view.
2051 * This also figures out which message in the new filter
2052 * should have the pointer.
2053 */
2054void owl_function_change_currentview_filter(const char *filtname)
2055{
2056  owl_view *v;
2057  owl_filter *f;
2058  int curid=-1, newpos, curmsg;
2059  const owl_message *curm=NULL;
2060
2061  v=owl_global_get_current_view(&g);
2062
2063  curmsg=owl_global_get_curmsg(&g);
2064  if (curmsg==-1) {
2065    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2066  } else {
2067    curm=owl_view_get_element(v, curmsg);
2068    if (curm) {
2069      curid=owl_message_get_id(curm);
2070      owl_view_save_curmsgid(v, curid);
2071    }
2072  }
2073
2074  f=owl_global_get_filter(&g, filtname);
2075  if (!f) {
2076    owl_function_error("Unknown filter %s", filtname);
2077    return;
2078  }
2079
2080  owl_view_new_filter(v, f);
2081
2082  /* Figure out what to set the current message to.
2083   * - If the view we're leaving has messages in it, go to the closest message
2084   *   to the last message pointed to in that view.
2085   * - If the view we're leaving is empty, try to restore the position
2086   *   from the last time we were in the new view.  */
2087  if (curm) {
2088    newpos = owl_view_get_nearest_to_msgid(v, curid);
2089  } else {
2090    newpos = owl_view_get_nearest_to_saved(v);
2091  }
2092
2093  owl_global_set_curmsg(&g, newpos);
2094  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2095  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2096  owl_global_set_direction_downwards(&g);
2097}
2098
2099/* Create a new filter, or replace an existing one
2100 * with a new definition.
2101 */
2102void owl_function_create_filter(int argc, const char *const *argv)
2103{
2104  owl_filter *f;
2105  const owl_view *v;
2106  int inuse = 0;
2107
2108  if (argc < 2) {
2109    owl_function_error("Wrong number of arguments to filter command");
2110    return;
2111  }
2112
2113  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2114
2115  v=owl_global_get_current_view(&g);
2116
2117  /* don't touch the all filter */
2118  if (!strcmp(argv[1], "all")) {
2119    owl_function_error("You may not change the 'all' filter.");
2120    return;
2121  }
2122
2123  /* deal with the case of trying change the filter color */
2124  if (argc==4 && !strcmp(argv[2], "-c")) {
2125    f=owl_global_get_filter(&g, argv[1]);
2126    if (!f) {
2127      owl_function_error("The filter '%s' does not exist.", argv[1]);
2128      return;
2129    }
2130    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2131      owl_function_error("The color '%s' is not available.", argv[3]);
2132      return;
2133    }
2134    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2135    owl_global_set_needrefresh(&g);
2136    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2137    return;
2138  }
2139  if (argc==4 && !strcmp(argv[2], "-b")) {
2140    f=owl_global_get_filter(&g, argv[1]);
2141    if (!f) {
2142      owl_function_error("The filter '%s' does not exist.", argv[1]);
2143      return;
2144    }
2145    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2146      owl_function_error("The color '%s' is not available.", argv[3]);
2147      return;
2148    }
2149    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2150    owl_global_set_needrefresh(&g);
2151    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2152    return;
2153  }
2154
2155  /* create the filter and check for errors */
2156  f = owl_filter_new(argv[1], argc-2, argv+2);
2157  if (f == NULL) {
2158    owl_function_error("Invalid filter");
2159    return;
2160  }
2161
2162  /* if the named filter is in use by the current view, remember it */
2163  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2164    inuse=1;
2165  }
2166
2167  /* if the named filter already exists, nuke it */
2168  if (owl_global_get_filter(&g, argv[1])) {
2169    owl_global_remove_filter(&g, argv[1]);
2170  }
2171
2172  /* add the filter */
2173  owl_global_add_filter(&g, f);
2174
2175  /* if it was in use by the current view then update */
2176  if (inuse) {
2177    owl_function_change_currentview_filter(argv[1]);
2178  }
2179  owl_global_set_needrefresh(&g);
2180  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2181}
2182
2183/* If 'filtername' does not start with 'not-' create a filter named
2184 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2185 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2186 * 'filtername' begins with 'not-' and a filter 'filtername' already
2187 * exists, then do nothing.  If the filter 'filtername' does not
2188 * exist, create it and define it as 'not filter <filtername>'
2189 *
2190 * Returns the name of the negated filter, which the caller must free.
2191 */
2192char *owl_function_create_negative_filter(const char *filtername)
2193{
2194  char *newname;
2195  const owl_filter *tmpfilt;
2196  const char *argv[5];
2197
2198  owl_function_debugmsg("owl_function_create_negative_filter");
2199 
2200  if (!strncmp(filtername, "not-", 4)) {
2201    newname=owl_strdup(filtername+4);
2202  } else {
2203    newname=owl_sprintf("not-%s", filtername);
2204  }
2205
2206  tmpfilt=owl_global_get_filter(&g, newname);
2207  if (!tmpfilt) {
2208    argv[0]="filter"; /* anything is fine here */
2209    argv[1]=newname;
2210    argv[2]="not";
2211    argv[3]="filter";
2212    argv[4]=filtername;
2213    owl_function_create_filter(5, argv);
2214  }
2215
2216  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2217  return(newname);
2218}
2219
2220void owl_function_show_filters(void)
2221{
2222  const owl_filter *f;
2223  GList *fl;
2224  owl_fmtext fm;
2225
2226  owl_fmtext_init_null(&fm);
2227
2228  owl_fmtext_append_bold(&fm, "Filters:\n");
2229
2230  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2231    f = fl->data;
2232    owl_fmtext_append_normal(&fm, "   ");
2233    if (owl_global_get_hascolors(&g)) {
2234      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2235    } else {
2236      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2237    }
2238    owl_fmtext_append_normal(&fm, "\n");
2239  }
2240  owl_function_popless_fmtext(&fm);
2241  owl_fmtext_cleanup(&fm);
2242}
2243
2244void owl_function_show_filter(const char *name)
2245{
2246  const owl_filter *f;
2247  char *buff, *tmp;
2248
2249  f=owl_global_get_filter(&g, name);
2250  if (!f) {
2251    owl_function_error("There is no filter named %s", name);
2252    return;
2253  }
2254  tmp = owl_filter_print(f);
2255  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2256  owl_function_popless_text(buff);
2257  owl_free(buff);
2258  owl_free(tmp);
2259}
2260
2261void owl_function_show_zpunts(void)
2262{
2263  const owl_filter *f;
2264  const owl_list *fl;
2265  char buff[5000];
2266  char *tmp;
2267  owl_fmtext fm;
2268  int i, j;
2269
2270  owl_fmtext_init_null(&fm);
2271
2272  fl=owl_global_get_puntlist(&g);
2273  j=owl_list_get_size(fl);
2274  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2275
2276  for (i=0; i<j; i++) {
2277    f=owl_list_get_element(fl, i);
2278    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2279    owl_fmtext_append_normal(&fm, buff);
2280    tmp = owl_filter_print(f);
2281    owl_fmtext_append_normal(&fm, tmp);
2282    owl_free(tmp);
2283  }
2284  owl_function_popless_fmtext(&fm);
2285  owl_fmtext_cleanup(&fm);
2286}
2287
2288/* Create a filter for a class, instance if one doesn't exist.  If
2289 * instance is NULL then catch all messgaes in the class.  Returns the
2290 * name of the filter, which the caller must free.
2291 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2292 */
2293char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2294{
2295  owl_filter *f;
2296  char *argbuff, *filtname;
2297  char *tmpclass, *tmpinstance = NULL;
2298  char *class, *instance = NULL;
2299
2300  if (related) {
2301    class = owl_util_baseclass(c);
2302    if (i) {
2303      instance = owl_util_baseclass(i);
2304    }
2305  } else {
2306    class = owl_strdup(c);
2307    if (i) {
2308      instance = owl_strdup(i);
2309    }
2310  }
2311
2312  /* name for the filter */
2313  if (!instance) {
2314    filtname = owl_sprintf("%sclass-%s", related ? "related-" : "", class);
2315  } else {
2316    filtname = owl_sprintf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2317  }
2318  /* downcase it */
2319  {
2320    char *temp = g_utf8_strdown(filtname, -1);
2321    if (temp) {
2322      owl_free(filtname);
2323      filtname = temp;
2324    }
2325  }
2326  /* turn spaces, single quotes, and double quotes into dots */
2327  owl_text_tr(filtname, ' ', '.');
2328  owl_text_tr(filtname, '\'', '.');
2329  owl_text_tr(filtname, '"', '.');
2330 
2331  /* if it already exists then go with it.  This lets users override */
2332  if (owl_global_get_filter(&g, filtname)) {
2333    goto done;
2334  }
2335
2336  /* create the new filter */
2337  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2338  owl_text_tr(tmpclass, ' ', '.');
2339  owl_text_tr(tmpclass, '\'', '.');
2340  owl_text_tr(tmpclass, '"', '.');
2341  if (instance) {
2342    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2343    owl_text_tr(tmpinstance, ' ', '.');
2344    owl_text_tr(tmpinstance, '\'', '.');
2345    owl_text_tr(tmpinstance, '"', '.');
2346  }
2347
2348  argbuff = owl_sprintf(related ? "class ^(un)*%s(\\.d)*$" : "class ^%s$", tmpclass);
2349  if (tmpinstance) {
2350    char *tmp = argbuff;
2351    argbuff = owl_sprintf(related ? "%s and ( instance ^(un)*%s(\\.d)*$ )" : "%s and instance ^%s$", tmp, tmpinstance);
2352    owl_free(tmp);
2353  }
2354  owl_free(tmpclass);
2355  if (tmpinstance) owl_free(tmpinstance);
2356
2357  f = owl_filter_new_fromstring(filtname, argbuff);
2358
2359  /* add it to the global list */
2360  owl_global_add_filter(&g, f);
2361
2362  owl_free(argbuff);
2363done:
2364  owl_free(class);
2365  if (instance) {
2366    owl_free(instance);
2367  }
2368  return(filtname);
2369}
2370
2371/* Create a filter for personal zephyrs to or from the specified
2372 * zephyr user.  Includes login/logout notifications for the user.
2373 * The name of the filter will be 'user-<user>'.  If a filter already
2374 * exists with this name, no new filter will be created.  This allows
2375 * the configuration to override this function.  Returns the name of
2376 * the filter, which the caller must free.
2377 */
2378char *owl_function_zuserfilt(const char *user)
2379{
2380  owl_filter *f;
2381  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2382
2383  /* stick the local realm on if it's not there */
2384  longuser=long_zuser(user);
2385  shortuser=short_zuser(user);
2386
2387  /* name for the filter */
2388  filtname=owl_sprintf("user-%s", shortuser);
2389
2390  /* if it already exists then go with it.  This lets users override */
2391  if (owl_global_get_filter(&g, filtname)) {
2392    return filtname;
2393  }
2394
2395  /* create the new-internal filter */
2396  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2397
2398  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2399      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2400      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2401      esclonguser);
2402
2403  f = owl_filter_new_fromstring(filtname, argbuff);
2404
2405  /* add it to the global list */
2406  owl_global_add_filter(&g, f);
2407
2408  /* free stuff */
2409  owl_free(argbuff);
2410  owl_free(longuser);
2411  owl_free(esclonguser);
2412  owl_free(shortuser);
2413
2414  return(filtname);
2415}
2416
2417/* Create a filter for AIM IM messages to or from the specified
2418 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2419 * filter already exists with this name, no new filter will be
2420 * created.  This allows the configuration to override this function.
2421 * Returns the name of the filter, which the caller must free.
2422 */
2423char *owl_function_aimuserfilt(const char *user)
2424{
2425  owl_filter *f;
2426  char *argbuff, *filtname;
2427  char *escuser;
2428
2429  /* name for the filter */
2430  filtname=owl_sprintf("aimuser-%s", user);
2431
2432  /* if it already exists then go with it.  This lets users override */
2433  if (owl_global_get_filter(&g, filtname)) {
2434    return(owl_strdup(filtname));
2435  }
2436
2437  /* create the new-internal filter */
2438  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2439
2440  argbuff = owl_sprintf(
2441      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2442      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2443      escuser, owl_global_get_aim_screenname_for_filters(&g));
2444
2445  f = owl_filter_new_fromstring(filtname, argbuff);
2446
2447  /* add it to the global list */
2448  owl_global_add_filter(&g, f);
2449
2450  /* free stuff */
2451  owl_free(argbuff);
2452  owl_free(escuser);
2453
2454  return(filtname);
2455}
2456
2457char *owl_function_typefilt(const char *type)
2458{
2459  owl_filter *f;
2460  char *argbuff, *filtname, *esctype;
2461
2462  /* name for the filter */
2463  filtname=owl_sprintf("type-%s", type);
2464
2465  /* if it already exists then go with it.  This lets users override */
2466  if (owl_global_get_filter(&g, filtname)) {
2467    return filtname;
2468  }
2469
2470  /* create the new-internal filter */
2471  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2472
2473  argbuff = owl_sprintf("type ^%s$", esctype);
2474
2475  f = owl_filter_new_fromstring(filtname, argbuff);
2476
2477  /* add it to the global list */
2478  owl_global_add_filter(&g, f);
2479
2480  /* free stuff */
2481  owl_free(argbuff);
2482  owl_free(esctype);
2483
2484  return filtname;
2485}
2486
2487/* If flag is 1, marks for deletion.  If flag is 0,
2488 * unmarks for deletion. */
2489void owl_function_delete_curview_msgs(int flag)
2490{
2491  const owl_view *v;
2492  int i, j;
2493
2494  v=owl_global_get_current_view(&g);
2495  j=owl_view_get_size(v);
2496  for (i=0; i<j; i++) {
2497    if (flag == 1) {
2498      owl_message_mark_delete(owl_view_get_element(v, i));
2499    } else if (flag == 0) {
2500      owl_message_unmark_delete(owl_view_get_element(v, i));
2501    }
2502  }
2503
2504  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2505
2506  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2507}
2508
2509/* Create a filter based on the current message.  Returns the name of
2510 * a filter or null.  The caller must free this name.
2511 *
2512 * if the curmsg is a personal zephyr return a filter name
2513 *    to the zephyr conversation with that user.
2514 * If the curmsg is a zephyr class message, instance foo, recip *,
2515 *    return a filter name to the class, inst.
2516 * If the curmsg is a zephyr class message and type==0 then
2517 *    return a filter name for just the class.
2518 * If the curmsg is a zephyr class message and type==1 then
2519 *    return a filter name for the class and instance.
2520 * If the curmsg is a personal AIM message returna  filter
2521 *    name to the AIM conversation with that user
2522 */
2523char *owl_function_smartfilter(int type, int invert_related)
2524{
2525  const owl_view *v;
2526  const owl_message *m;
2527  char *zperson, *filtname=NULL;
2528  const char *argv[2];
2529  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2530
2531  v=owl_global_get_current_view(&g);
2532  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2533
2534  if (!m || owl_view_get_size(v)==0) {
2535    owl_function_error("No message selected\n");
2536    return(NULL);
2537  }
2538
2539  /* very simple handling of admin messages for now */
2540  if (owl_message_is_type_admin(m)) {
2541    return(owl_function_typefilt("admin"));
2542  }
2543
2544  /* very simple handling of loopback messages for now */
2545  if (owl_message_is_type_loopback(m)) {
2546    return(owl_function_typefilt("loopback"));
2547  }
2548
2549  /* aim messages */
2550  if (owl_message_is_type_aim(m)) {
2551    if (owl_message_is_direction_in(m)) {
2552      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2553    } else if (owl_message_is_direction_out(m)) {
2554      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2555    }
2556    return(filtname);
2557  }
2558
2559  /* narrow personal and login messages to the sender or recip as appropriate */
2560  if (owl_message_is_type_zephyr(m)) {
2561    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2562      if (owl_message_is_direction_in(m)) {
2563        zperson=short_zuser(owl_message_get_sender(m));
2564      } else {
2565        zperson=short_zuser(owl_message_get_recipient(m));
2566      }
2567      filtname=owl_function_zuserfilt(zperson);
2568      owl_free(zperson);
2569      return(filtname);
2570    }
2571
2572    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2573    if (!strcasecmp(owl_message_get_class(m), "message")) {
2574      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2575      return(filtname);
2576    }
2577
2578    /* otherwise narrow to the class */
2579    if (type==0) {
2580      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2581    } else if (type==1) {
2582      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2583    }
2584    return(filtname);
2585  }
2586
2587  /* pass it off to perl */
2588  argv[0] = type ? "1" : "0";
2589  argv[1] = related ? "1" : "0";
2590  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2591}
2592
2593void owl_function_smartzpunt(int type)
2594{
2595  /* Starts a zpunt command based on the current class,instance pair.
2596   * If type=0, uses just class.  If type=1, uses instance as well. */
2597  const owl_view *v;
2598  const owl_message *m;
2599  const char *cmdprefix, *mclass, *minst;
2600  char *cmd;
2601 
2602  v=owl_global_get_current_view(&g);
2603  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2604
2605  if (!m || owl_view_get_size(v)==0) {
2606    owl_function_error("No message selected\n");
2607    return;
2608  }
2609
2610  /* for now we skip admin messages. */
2611  if (owl_message_is_type_admin(m)
2612      || owl_message_is_loginout(m)
2613      || !owl_message_is_type_zephyr(m)) {
2614    owl_function_error("smartzpunt doesn't support this message type.");
2615    return;
2616  }
2617
2618  mclass = owl_message_get_class(m);
2619  minst = owl_message_get_instance(m);
2620  if (!mclass || !*mclass || *mclass==' '
2621      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2622      || (type && (!minst || !*minst|| *minst==' '))) {
2623    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2624                         mclass, minst);
2625  } else {
2626    cmdprefix = "start-command zpunt ";
2627    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2628    strcpy(cmd, cmdprefix);
2629    strcat(cmd, owl_getquoting(mclass));
2630    strcat(cmd, mclass);
2631    strcat(cmd, owl_getquoting(mclass));
2632    if (type) {
2633      strcat(cmd, " ");
2634      strcat(cmd, owl_getquoting(minst));
2635      strcat(cmd, minst);
2636      strcat(cmd, owl_getquoting(minst));
2637    } else {
2638      strcat(cmd, " *");
2639    }
2640    owl_function_command(cmd);
2641    owl_free(cmd);
2642  }
2643}
2644
2645/* Set the color of the current view's filter to
2646 * be 'color'
2647 */
2648void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2649{
2650  const char *name;
2651
2652  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2653  owl_function_color_filter(name, fgcolor, bgcolor);
2654}
2655
2656/* Set the color of the filter 'filter' to be 'color'.  If the color
2657 * name does not exist, return -1, if the filter does not exist or is
2658 * the "all" filter, return -2.  Return 0 on success
2659 */
2660int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2661{
2662  owl_filter *f;
2663
2664  f=owl_global_get_filter(&g, filtname);
2665  if (!f) {
2666    owl_function_error("Unknown filter");
2667    return(-2);
2668  }
2669
2670  /* don't touch the all filter */
2671  if (!strcmp(filtname, "all")) {
2672    owl_function_error("You may not change the 'all' filter.");
2673    return(-2);
2674  }
2675
2676  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2677    owl_function_error("No color named '%s' avilable.", fgcolor);
2678    return(-1);
2679  }
2680
2681
2682  if (bgcolor != NULL) {
2683    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2684      owl_function_error("No color named '%s' avilable.", bgcolor);
2685      return(-1);
2686    }
2687    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2688  }
2689  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2690 
2691  owl_global_set_needrefresh(&g);
2692  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2693  return(0);
2694}
2695
2696void owl_function_show_colors(void)
2697{
2698  owl_fmtext fm;
2699  int i; 
2700 
2701  owl_fmtext_init_null(&fm);
2702  owl_fmtext_append_normal(&fm, "default: ");
2703  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2704
2705  owl_fmtext_append_normal(&fm,"red:      ");
2706  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2707
2708  owl_fmtext_append_normal(&fm,"green:    ");
2709  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2710
2711  owl_fmtext_append_normal(&fm,"yellow:   ");
2712  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2713
2714  owl_fmtext_append_normal(&fm,"blue:     ");
2715  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2716
2717  owl_fmtext_append_normal(&fm,"magenta:  ");
2718  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2719
2720  owl_fmtext_append_normal(&fm,"cyan:     ");
2721  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2722
2723  owl_fmtext_append_normal(&fm,"white:    ");
2724  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2725
2726  for(i = 8; i < COLORS; ++i) {
2727    char* str1 = owl_sprintf("%4i:     ",i);
2728    char* str2 = owl_sprintf("%i\n",i);
2729    owl_fmtext_append_normal(&fm,str1);
2730    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2731    owl_free(str1);
2732     owl_free(str2);
2733  }
2734 
2735  owl_function_popless_fmtext(&fm);
2736  owl_fmtext_cleanup(&fm);
2737}
2738
2739/* add the given class, inst, recip to the punt list for filtering.
2740 *   if direction==0 then punt
2741 *   if direction==1 then unpunt
2742 */
2743void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2744{
2745  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2746  char *quoted;
2747
2748  if (!strcmp(class, "*")) {
2749    classexpr = owl_sprintf("class .*");
2750  } else {
2751    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2752    owl_text_tr(quoted, ' ', '.');
2753    owl_text_tr(quoted, '\'', '.');
2754    owl_text_tr(quoted, '"', '.');
2755    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2756    owl_free(quoted);
2757  }
2758  if (!strcmp(inst, "*")) {
2759    instexpr = owl_sprintf(" and instance .*");
2760  } else {
2761    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2762    owl_text_tr(quoted, ' ', '.');
2763    owl_text_tr(quoted, '\'', '.');
2764    owl_text_tr(quoted, '"', '.');
2765    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2766    owl_free(quoted);
2767  }
2768  if (!strcmp(recip, "*")) {
2769    recipexpr = owl_sprintf("");
2770  } else {
2771    if(!strcmp(recip, "%me%")) {
2772      recip = owl_zephyr_get_sender();
2773    }
2774    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2775    owl_text_tr(quoted, ' ', '.');
2776    owl_text_tr(quoted, '\'', '.');
2777    owl_text_tr(quoted, '"', '.');
2778    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2779    owl_free(quoted);
2780  }
2781
2782  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2783  owl_function_punt(puntexpr, direction);
2784  owl_free(puntexpr);
2785  owl_free(classexpr);
2786  owl_free(instexpr);
2787  owl_free(recipexpr);
2788}
2789
2790void owl_function_punt(const char *filter, int direction)
2791{
2792  owl_filter *f;
2793  owl_list *fl;
2794  int i, j;
2795  fl=owl_global_get_puntlist(&g);
2796
2797  /* first, create the filter */
2798  owl_function_debugmsg("About to filter %s", filter);
2799  f = owl_filter_new_fromstring("punt-filter", filter);
2800  if (f == NULL) {
2801    owl_function_error("Error creating filter for zpunt");
2802    return;
2803  }
2804
2805  /* Check for an identical filter */
2806  j=owl_list_get_size(fl);
2807  for (i=0; i<j; i++) {
2808    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2809      owl_function_debugmsg("found an equivalent punt filter");
2810      /* if we're punting, then just silently bow out on this duplicate */
2811      if (direction==0) {
2812        owl_filter_delete(f);
2813        return;
2814      }
2815
2816      /* if we're unpunting, then remove this filter from the puntlist */
2817      if (direction==1) {
2818        owl_filter_delete(owl_list_get_element(fl, i));
2819        owl_list_remove_element(fl, i);
2820        owl_filter_delete(f);
2821        return;
2822      }
2823    }
2824  }
2825
2826  owl_function_debugmsg("punting");
2827  /* If we're punting, add the filter to the global punt list */
2828  if (direction==0) {
2829    owl_list_append_element(fl, f);
2830  }
2831}
2832
2833void owl_function_show_keymaps(void)
2834{
2835  owl_list l;
2836  owl_fmtext fm;
2837  const owl_keymap *km;
2838  const owl_keyhandler *kh;
2839  int i, numkm;
2840  const char *kmname;
2841
2842  kh = owl_global_get_keyhandler(&g);
2843  owl_fmtext_init_null(&fm);
2844  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2845  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2846  owl_keyhandler_get_keymap_names(kh, &l);
2847  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2848  owl_fmtext_append_normal(&fm, "\n");
2849
2850  numkm = owl_list_get_size(&l);
2851  for (i=0; i<numkm; i++) {
2852    kmname = owl_list_get_element(&l, i);
2853    km = owl_keyhandler_get_keymap(kh, kmname);
2854    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2855    owl_keymap_get_details(km, &fm);   
2856  }
2857  owl_fmtext_append_normal(&fm, "\n");
2858 
2859  owl_function_popless_fmtext(&fm);
2860  owl_keyhandler_keymap_namelist_cleanup(&l);
2861  owl_fmtext_cleanup(&fm);
2862}
2863
2864char *owl_function_keymap_summary(const char *name)
2865{
2866  const owl_keymap *km
2867    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2868  if (km) return owl_keymap_summary(km);
2869  else return(NULL);
2870}
2871
2872/* TODO: implement for real */
2873void owl_function_show_keymap(const char *name)
2874{
2875  owl_fmtext fm;
2876  const owl_keymap *km;
2877
2878  owl_fmtext_init_null(&fm);
2879  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2880  if (km) {
2881    owl_keymap_get_details(km, &fm);
2882  } else {
2883    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2884  } 
2885  owl_function_popless_fmtext(&fm);
2886  owl_fmtext_cleanup(&fm);
2887}
2888
2889void owl_function_help_for_command(const char *cmdname)
2890{
2891  owl_fmtext fm;
2892
2893  owl_fmtext_init_null(&fm);
2894  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2895  owl_function_popless_fmtext(&fm); 
2896  owl_fmtext_cleanup(&fm);
2897}
2898
2899void owl_function_search_start(const char *string, int direction)
2900{
2901  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2902   * OWL_DIRECTION_NONE */
2903  owl_regex re;
2904
2905  if (string && owl_regex_create_quoted(&re, string) == 0) {
2906    owl_global_set_search_re(&g, &re);
2907    owl_regex_cleanup(&re);
2908  } else {
2909    owl_global_set_search_re(&g, NULL);
2910  }
2911
2912  if (direction == OWL_DIRECTION_NONE)
2913    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2914  else
2915    owl_function_search_helper(0, direction);
2916}
2917
2918void owl_function_search_continue(int direction)
2919{
2920  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2921  owl_function_search_helper(1, direction);
2922}
2923
2924void owl_function_search_helper(int mode, int direction)
2925{
2926  /* move to a message that contains the string.  If direction is
2927   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2928   * OWL_DIRECTION_UPWARDS then search backwards.
2929   *
2930   * If mode==0 then it will stay on the current message if it
2931   * contains the string.
2932   */
2933
2934  const owl_view *v;
2935  int viewsize, i, curmsg, start;
2936  owl_message *m;
2937
2938  v=owl_global_get_current_view(&g);
2939  viewsize=owl_view_get_size(v);
2940  curmsg=owl_global_get_curmsg(&g);
2941 
2942  if (viewsize==0) {
2943    owl_function_error("No messages present");
2944    return;
2945  }
2946
2947  if (mode==0) {
2948    start=curmsg;
2949  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2950    start=curmsg+1;
2951  } else {
2952    start=curmsg-1;
2953  }
2954
2955  /* bounds check */
2956  if (start>=viewsize || start<0) {
2957    owl_function_error("No further matches found");
2958    return;
2959  }
2960
2961  for (i=start; i<viewsize && i>=0;) {
2962    m=owl_view_get_element(v, i);
2963    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2964      owl_global_set_curmsg(&g, i);
2965      owl_function_calculate_topmsg(direction);
2966      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2967      if (direction==OWL_DIRECTION_DOWNWARDS) {
2968        owl_global_set_direction_downwards(&g);
2969      } else {
2970        owl_global_set_direction_upwards(&g);
2971      }
2972      return;
2973    }
2974    if (direction==OWL_DIRECTION_DOWNWARDS) {
2975      i++;
2976    } else {
2977      i--;
2978    }
2979    owl_function_mask_sigint(NULL);
2980    if(owl_global_is_interrupted(&g)) {
2981      owl_global_unset_interrupted(&g);
2982      owl_function_unmask_sigint(NULL);
2983      owl_function_makemsg("Search interrupted!");
2984      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2985      return;
2986    }
2987    owl_function_unmask_sigint(NULL);
2988  }
2989  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2990  owl_function_error("No matches found");
2991}
2992
2993/* strips formatting from ztext and returns the unformatted text.
2994 * caller is responsible for freeing. */
2995char *owl_function_ztext_stylestrip(const char *zt)
2996{
2997  owl_fmtext fm;
2998  char *plaintext;
2999
3000  owl_fmtext_init_null(&fm);
3001  owl_fmtext_append_ztext(&fm, zt);
3002  plaintext = owl_fmtext_print_plain(&fm);
3003  owl_fmtext_cleanup(&fm);
3004  return(plaintext);
3005}
3006
3007/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3008void owl_function_buddylist(int aim, int zephyr, const char *filename)
3009{
3010  int i, j, idle;
3011  int interrupted = 0;
3012  owl_fmtext fm;
3013  const owl_buddylist *bl;
3014  const owl_buddy *b;
3015  char *timestr;
3016#ifdef HAVE_LIBZEPHYR
3017  int x;
3018  owl_list anyone;
3019  const char *user;
3020  char *tmp;
3021  ZLocations_t location[200];
3022  int numlocs, ret;
3023#endif
3024
3025  owl_fmtext_init_null(&fm);
3026
3027  /* AIM first */
3028  if (aim && owl_global_is_aimloggedin(&g)) {
3029    bl=owl_global_get_buddylist(&g);
3030
3031    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3032    /* we're assuming AIM for now */
3033    j=owl_buddylist_get_size(bl);
3034    for (i=0; i<j; i++) {
3035      b=owl_buddylist_get_buddy_n(bl, i);
3036      idle=owl_buddy_get_idle_time(b);
3037      if (idle!=0) {
3038        timestr=owl_util_minutes_to_timestr(idle);
3039      } else {
3040        timestr=owl_strdup("");
3041      }
3042      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3043      owl_free(timestr);
3044    }
3045  }
3046
3047#ifdef HAVE_LIBZEPHYR
3048  if (zephyr) {
3049    if(!owl_global_is_havezephyr(&g)) {
3050      owl_function_error("Zephyr currently not available.");
3051    } else {
3052      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3053      owl_list_create(&anyone);
3054      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3055      if (ret) {
3056        if (errno == ENOENT) {
3057          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3058          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3059          owl_fmtext_append_bold(  &fm, "<username>");
3060          owl_fmtext_append_normal(&fm, "'.\n");
3061        } else {
3062          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3063        }
3064      } else {
3065        j=owl_list_get_size(&anyone);
3066        for (i=0; i<j; i++) {
3067          user=owl_list_get_element(&anyone, i);
3068          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3069
3070          owl_function_mask_sigint(NULL);
3071          if(owl_global_is_interrupted(&g)) {
3072            interrupted = 1;
3073            owl_global_unset_interrupted(&g);
3074            owl_function_unmask_sigint(NULL);
3075            owl_function_makemsg("Interrupted!");
3076            break;
3077          }
3078
3079          owl_function_unmask_sigint(NULL);
3080
3081          if (ret!=ZERR_NONE) {
3082            owl_function_error("Error getting location for %s", user);
3083            continue;
3084          }
3085
3086          numlocs=200;
3087          ret=ZGetLocations(location, &numlocs);
3088          if (ret==0) {
3089            for (x=0; x<numlocs; x++) {
3090              tmp=short_zuser(user);
3091              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3092                                        tmp,
3093                                        location[x].host,
3094                                        location[x].tty,
3095                                        location[x].time);
3096              owl_free(tmp);
3097            }
3098            if (numlocs>=200) {
3099              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3100            }
3101          }
3102        }
3103      }
3104      owl_list_cleanup(&anyone, owl_free);
3105    }
3106  }
3107#endif
3108
3109  if (aim && zephyr) {
3110    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3111      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3112      if (perlblist) {
3113        owl_fmtext_append_ztext(&fm, perlblist);
3114        owl_free(perlblist);
3115      }
3116    }
3117  }
3118
3119  if(!interrupted) {
3120    owl_function_popless_fmtext(&fm);
3121  }
3122  owl_fmtext_cleanup(&fm);
3123}
3124
3125/* Dump messages in the current view to the file 'filename'. */
3126void owl_function_dump(const char *filename) 
3127{
3128  int i, j;
3129  owl_message *m;
3130  const owl_view *v;
3131  FILE *file;
3132  char *plaintext;
3133
3134  v=owl_global_get_current_view(&g);
3135
3136  /* in the future make it ask yes/no */
3137  /*
3138  ret=stat(filename, &sbuf);
3139  if (!ret) {
3140    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3141    if (!ret) return;
3142  }
3143  */
3144
3145  file=fopen(filename, "w");
3146  if (!file) {
3147    owl_function_error("Error opening file");
3148    return;
3149  }
3150
3151  j=owl_view_get_size(v);
3152  for (i=0; i<j; i++) {
3153    m=owl_view_get_element(v, i);
3154    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3155    if (plaintext) {
3156      fputs(plaintext, file);
3157      owl_free(plaintext);
3158    }
3159  }
3160  fclose(file);
3161  owl_function_makemsg("Messages dumped to %s", filename);
3162}
3163
3164void owl_function_do_newmsgproc(void)
3165{
3166  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3167    /* if there's a process out there, we need to check on it */
3168    if (owl_global_get_newmsgproc_pid(&g)) {
3169      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3170      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3171      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3172      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3173        /* it exited */
3174        owl_global_set_newmsgproc_pid(&g, 0);
3175        owl_function_debugmsg("newmsgproc exited");
3176      } else {
3177        owl_function_debugmsg("newmsgproc did not exit");
3178      }
3179    }
3180   
3181    /* if it exited, fork & exec a new one */
3182    if (owl_global_get_newmsgproc_pid(&g)==0) {
3183      pid_t i;
3184      int myargc;
3185      i=fork();
3186      if (i) {
3187        /* parent set the child's pid */
3188        owl_global_set_newmsgproc_pid(&g, i);
3189        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3190      } else {
3191        /* child exec's the program */
3192        char **parsed;
3193        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3194        if (myargc < 0) {
3195          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3196        }
3197        if (myargc <= 0) {
3198          _exit(127);
3199        }
3200        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3201        parsed[myargc] = NULL;
3202       
3203        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3204       
3205        execvp(parsed[0], parsed);
3206       
3207       
3208        /* was there an error exec'ing? */
3209        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3210                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3211        _exit(127);
3212      }
3213    }
3214  }
3215}
3216
3217/* print the xterm escape sequence to raise the window */
3218void owl_function_xterm_raise(void)
3219{
3220  printf("\033[5t");
3221}
3222
3223/* print the xterm escape sequence to deiconify the window */
3224void owl_function_xterm_deiconify(void)
3225{
3226  printf("\033[1t");
3227}
3228
3229/* Add the specified command to the startup file.  Eventually this
3230 * should be clever, and rewriting settings that will obviosly
3231 * override earlier settings with 'set' 'bindkey' and 'alias'
3232 * commands.  For now though we just remove any line that would
3233 * duplicate this one and then append this line to the end of
3234 * startupfile.
3235 */
3236void owl_function_addstartup(const char *buff)
3237{
3238  FILE *file;
3239  const char *filename;
3240
3241  filename=owl_global_get_startupfile(&g);
3242
3243  /* delete earlier copies */
3244  owl_util_file_deleteline(filename, buff, 1);
3245
3246  file=fopen(filename, "a");
3247  if (!file) {
3248    owl_function_error("Error opening startupfile for new command");
3249    return;
3250  }
3251
3252  /* add this line */
3253  fprintf(file, "%s\n", buff);
3254
3255  fclose(file);
3256}
3257
3258/* Remove the specified command from the startup file. */
3259void owl_function_delstartup(const char *buff)
3260{
3261  const char *filename;
3262  filename=owl_global_get_startupfile(&g);
3263  owl_util_file_deleteline(filename, buff, 1);
3264}
3265
3266/* Execute owl commands from the given filename.  If the filename
3267 * is NULL, use the default owl startup commands file.
3268 */
3269void owl_function_source(const char *filename)
3270{
3271  char *path;
3272  FILE *file;
3273  char *s = NULL;
3274  int fail_silent = 0;
3275
3276  if (!filename) {
3277    fail_silent = 1;
3278    path = owl_strdup(owl_global_get_startupfile(&g));
3279  } else {
3280    path = owl_util_makepath(filename);
3281  }
3282  file = fopen(path, "r");
3283  owl_free(path);
3284  if (!file) {
3285    if (!fail_silent) {
3286      owl_function_error("Error opening file: %s", filename);
3287    }
3288    return;
3289  }
3290  while (owl_getline_chomp(&s, file)) {
3291    if (s[0] == '\0' || s[0] == '#')
3292      continue;
3293    owl_function_command(s);
3294  }
3295
3296  owl_free(s);
3297  fclose(file);
3298}
3299
3300void owl_function_change_style(owl_view *v, const char *stylename)
3301{
3302  const owl_style *s;
3303
3304  s=owl_global_get_style_by_name(&g, stylename);
3305  if (!s) {
3306    owl_function_error("No style named %s", stylename);
3307    return;
3308  }
3309  owl_view_set_style(v, s);
3310  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3311  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3312  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3313}
3314
3315void owl_function_toggleoneline(void)
3316{
3317  owl_view *v;
3318  const owl_style *s;
3319
3320  v=owl_global_get_current_view(&g);
3321  s=owl_view_get_style(v);
3322
3323  if (!owl_style_matches_name(s, "oneline")) {
3324    owl_function_change_style(v, "oneline");
3325  } else {
3326    owl_function_change_style(v, owl_global_get_default_style(&g));
3327  }
3328
3329  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3330  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3331  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3332}
3333
3334void owl_function_error(const char *fmt, ...)
3335{
3336  static int in_error = 0;
3337  va_list ap;
3338  char *buff;
3339  const char *nl;
3340
3341  if (++in_error > 2) {
3342    /* More than two nested errors, bail immediately. */
3343    in_error--;
3344    return;
3345  }
3346
3347  va_start(ap, fmt);
3348  buff = g_strdup_vprintf(fmt, ap);
3349  va_end(ap);
3350
3351  owl_function_debugmsg("ERROR: %s", buff);
3352  owl_function_log_err(buff);
3353
3354  nl = strchr(buff, '\n');
3355
3356  /*
3357    Showing admin messages triggers a lot of code. If we have a
3358    recursive error call, that's the most likely candidate, so
3359    suppress the call in that case, to try to avoid infinite looping.
3360  */
3361
3362  if(nl && *(nl + 1) && in_error == 1) {
3363    /* Multiline error */
3364    owl_function_adminmsg("ERROR", buff);
3365  } else {
3366    owl_function_makemsg("[Error] %s", buff);
3367  }
3368
3369  owl_free(buff);
3370
3371  in_error--;
3372}
3373
3374void owl_function_log_err(const char *string)
3375{
3376  char *date;
3377  time_t now;
3378  char *buff;
3379
3380  now=time(NULL);
3381  date=owl_strdup(ctime(&now));
3382  date[strlen(date)-1]='\0';
3383
3384  buff = owl_sprintf("%s %s", date, string);
3385
3386  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3387
3388  owl_free(buff);
3389  owl_free(date);
3390}
3391
3392void owl_function_showerrs(void)
3393{
3394  owl_fmtext fm;
3395
3396  owl_fmtext_init_null(&fm);
3397  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3398  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3399  owl_function_popless_fmtext(&fm);
3400}
3401
3402void owl_function_makemsg(const char *fmt, ...)
3403{
3404  va_list ap;
3405  char buff[2048];
3406
3407  if (!owl_global_get_curs_msgwin(&g)) return;
3408
3409  va_start(ap, fmt);
3410  werase(owl_global_get_curs_msgwin(&g));
3411 
3412  vsnprintf(buff, 2048, fmt, ap);
3413  owl_function_debugmsg("makemsg: %s", buff);
3414  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3415  owl_global_set_needrefresh(&g);
3416  va_end(ap);
3417}
3418
3419/* get locations for everyone in .anyone.  If 'notify' is '1' then
3420 * send a pseudo login or logout message for everyone not in sync with
3421 * the global zephyr buddy list.  The list is updated regardless of
3422 * the status of 'notify'.
3423 */
3424void owl_function_zephyr_buddy_check(int notify)
3425{
3426#ifdef HAVE_LIBZEPHYR
3427  int i, j;
3428  owl_list anyone;
3429  owl_zbuddylist *zbl;
3430  GList **zaldlist;
3431  GList *zaldptr;
3432  ZAsyncLocateData_t *zald;
3433  const char *user;
3434
3435  if (!owl_global_is_havezephyr(&g)) return;
3436  owl_global_set_pseudologin_notify(&g, notify);
3437  zbl = owl_global_get_zephyr_buddylist(&g);
3438  zaldlist = owl_global_get_zaldlist(&g);
3439
3440  /* Clear the existing ZALDs first. */
3441  zaldptr = g_list_first(*zaldlist);
3442  while (zaldptr) {
3443    ZFreeALD(zaldptr->data);
3444    owl_free(zaldptr->data);
3445    zaldptr = g_list_next(zaldptr);
3446  }
3447  g_list_free(*zaldlist);
3448  *zaldlist = NULL;
3449
3450  owl_list_create(&anyone);
3451  owl_zephyr_get_anyone_list(&anyone, NULL);
3452  j = owl_list_get_size(&anyone);
3453  for (i = 0; i < j; i++) {
3454    user = owl_list_get_element(&anyone, i);
3455    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3456    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3457      *zaldlist = g_list_append(*zaldlist, zald);
3458    } else {
3459      owl_free(zald);
3460    }
3461  }
3462
3463  owl_list_cleanup(&anyone, owl_free);
3464#endif
3465}
3466
3467void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3468{
3469  owl_fmtext fm;
3470  int i, j;
3471
3472  owl_fmtext_init_null(&fm);
3473  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3474  owl_fmtext_append_normal(&fm, email);
3475  owl_fmtext_append_normal(&fm, ":\n");
3476
3477  j=owl_list_get_size(namelist);
3478  for (i=0; i<j; i++) {
3479    owl_fmtext_append_normal(&fm, "  ");
3480    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3481    owl_fmtext_append_normal(&fm, "\n");
3482  }
3483
3484  owl_function_popless_fmtext(&fm);
3485  owl_fmtext_cleanup(&fm);
3486}
3487
3488int owl_function_get_color_count(void)
3489{
3490     return COLORS;
3491}
3492
3493void owl_function_mask_sigint(sigset_t *oldmask) {
3494  sigset_t intr;
3495
3496  sigemptyset(&intr);
3497  sigaddset(&intr, SIGINT);
3498  sigprocmask(SIG_BLOCK, &intr, oldmask);
3499}
3500
3501void owl_function_unmask_sigint(sigset_t *oldmask) {
3502  sigset_t intr;
3503
3504  sigemptyset(&intr);
3505  sigaddset(&intr, SIGINT);
3506  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3507}
3508
3509void _owl_function_mark_message(const owl_message *m)
3510{
3511  if (m) {
3512    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3513    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3514  }
3515}
3516
3517void owl_function_mark_message(void)
3518{
3519  const owl_message *m;
3520  const owl_view *v;
3521
3522  v=owl_global_get_current_view(&g);
3523
3524  /* bail if there's no current message */
3525  if (owl_view_get_size(v) < 1) {
3526    owl_function_error("No messages to mark");
3527    return;
3528  }
3529
3530  /* mark the message */
3531  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3532  _owl_function_mark_message(m);
3533  owl_function_makemsg("Mark set");
3534}
3535
3536void owl_function_swap_cur_marked(void)
3537{
3538  int marked_id;
3539  const owl_message *m;
3540  const owl_view *v;
3541
3542  marked_id=owl_global_get_markedmsgid(&g);
3543  if (marked_id == -1) {
3544    owl_function_error("Mark not set.");
3545    return;
3546  }
3547
3548  v=owl_global_get_current_view(&g);
3549  /* bail if there's no current message */
3550  if (owl_view_get_size(v) < 1) {
3551    return;
3552  }
3553
3554  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3555  _owl_function_mark_message(m);
3556  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3557  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3558  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3559  owl_global_set_direction_downwards(&g);
3560}
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