source: functions.c @ 1b6b2f3

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Last change on this file since 1b6b2f3 was 1b6b2f3, checked in by Nelson Elhage <nelhage@mit.edu>, 14 years ago
Refactoring the editwin code somewhat, and adding the ability to hang arbitrary reply commands off of messages.
  • Property mode set to 100644
File size: 97.0 KB
Line 
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15static const char fileIdent[] = "$Id$";
16
17void owl_function_noop(void)
18{
19  return;
20}
21
22char *owl_function_command(char *cmdbuff)
23{
24  owl_function_debugmsg("executing command: %s", cmdbuff);
25  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
26                             owl_global_get_context(&g), cmdbuff);
27}
28
29void owl_function_command_norv(char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(char *alias_from, char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41owl_cmd *owl_function_get_cmd(char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands()
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_free(&l);
59  owl_fmtext_free(&fm);
60}
61
62void owl_function_show_view(char *viewname)
63{
64  owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_free(&fm);
78}
79
80void owl_function_show_styles() {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_free_all(&l, owl_free);
91  owl_fmtext_free(&fm);
92}
93
94char *owl_function_style_describe(void *name) {
95  char *desc, *s;
96  owl_style *style;
97  style = owl_global_get_style_by_name(&g, name);
98  if (style) {
99    desc = owl_style_get_description(style);
100  } else {
101    desc = "???";
102  }
103  s = owl_sprintf("%-20s - %s%s", name, 
104                  0==owl_style_validate(style)?"":"[INVALID] ",
105                  desc);
106  return s;
107}
108
109char *owl_function_cmd_describe(void *name)
110{
111  owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
112  if (cmd) return owl_cmd_describe(cmd);
113  else return(NULL);
114}
115
116void owl_function_show_command(char *name)
117{
118  owl_function_help_for_command(name);
119}
120
121void owl_function_show_license()
122{
123  char *text;
124
125  text=""
126    "Owl version " OWL_VERSION_STRING "\n"
127    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
128    "\n"
129    "Redistribution and use in source and binary forms, with or without\n"
130    "modification, are permitted provided that the following conditions are\n"
131    "met:\n"
132    "\n"
133    "   * Redistributions of source code must retain the above copyright\n"
134    "     notice, this list of conditions and the following disclaimer.\n"
135    "\n"
136    "   * Redistributions in binary form must reproduce the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer in\n"
138    "     the documentation and/or other materials provided with the\n"
139    "     distribution.\n"
140    "\n"
141    "   * Redistributions in any form must be accompanied by information on\n"
142    "     how to obtain complete source code for the Owl software and any\n"
143    "     accompanying software that uses the Owl software. The source code\n"
144    "     must either be included in the distribution or be available for no\n"
145    "     more than the cost of distribution plus a nominal fee, and must be\n"
146    "     freely redistributable under reasonable conditions. For an\n"
147    "     executable file, complete source code means the source code for\n"
148    "     all modules it contains. It does not include source code for\n"
149    "     modules or files that typically accompany the major components of\n"
150    "     the operating system on which the executable file runs.\n"
151    "\n"
152    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
153    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
154    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
155    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
156    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
157    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
158    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
159    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
160    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
161    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
162    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
163  owl_function_popless_text(text);
164}
165
166
167/* Add the given message to Owl's internal queue.  If displayoutgoing
168 * is disabled, the message is NOT added to any internal queue, -1 is
169 * returned and THE CALLER IS EXPECTED TO FREE THE GIVEN MESSAGE.
170 * Otherwise 0 is returned and the caller need do nothing more
171 */
172int owl_function_add_message(owl_message *m)
173{
174  /* if displayoutgoing is disabled, nuke the message and move on */
175  if (! owl_global_is_displayoutgoing(&g)) {
176    return(-1);
177  }
178
179  /* add it to the global list and current view */
180  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
181  owl_view_consider_message(owl_global_get_current_view(&g), m);
182
183  /* do followlast if necessary */
184  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
185
186  /* redisplay etc. */
187  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
188  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
189    owl_popwin_refresh(owl_global_get_popwin(&g));
190  }
191  wnoutrefresh(owl_global_get_curs_recwin(&g));
192  owl_global_set_needrefresh(&g);
193  return(0);
194}
195
196/* Create an admin message, append it to the global list of messages
197 * and redisplay if necessary.
198 */
199void owl_function_adminmsg(char *header, char *body)
200{
201  owl_message *m;
202
203  m=owl_malloc(sizeof(owl_message));
204  owl_message_create_admin(m, header, body);
205 
206  /* add it to the global list and current view */
207  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
208  owl_view_consider_message(owl_global_get_current_view(&g), m);
209
210  /* do followlast if necessary */
211  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
212
213  /* redisplay etc. */
214  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
215  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
216    owl_popwin_refresh(owl_global_get_popwin(&g));
217  }
218  wnoutrefresh(owl_global_get_curs_recwin(&g));
219  owl_global_set_needrefresh(&g);
220}
221
222/* Create an outgoing zephyr message and return a pointer to it.  Does
223 * not put it on the global queue, use owl_function_add_message() for
224 * that.
225 */
226owl_message *owl_function_make_outgoing_zephyr(char *body, char *zwriteline, char *zsig)
227{
228  owl_message *m;
229  owl_zwrite z;
230 
231  /* create a zwrite for the purpose of filling in other message fields */
232  owl_zwrite_create_from_line(&z, zwriteline);
233
234  /* create the message */
235  m=owl_malloc(sizeof(owl_message));
236  owl_message_create_from_zwriteline(m, zwriteline, body, zsig);
237  owl_zwrite_free(&z);
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_function_add_message() for that .
246 */
247owl_message *owl_function_make_outgoing_aim(char *body, 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_function_add_message() for that.
267 */
268owl_message *owl_function_make_outgoing_loopback(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_zwrite_setup(char *line)
281{
282  owl_editwin *e;
283  char buff[1024];
284  owl_zwrite z;
285  int ret;
286
287  /* check the arguments */
288  ret=owl_zwrite_create_from_line(&z, line);
289  if (ret) {
290    owl_function_error("Error in zwrite arugments");
291    owl_zwrite_free(&z);
292    return;
293  }
294
295  /* send a ping if necessary */
296  if (owl_global_is_txping(&g)) {
297    owl_zwrite_send_ping(&z);
298  }
299  owl_zwrite_free(&z);
300
301  /* create and setup the editwin */
302  e=owl_global_get_typwin(&g);
303  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
304
305  if (!owl_global_get_lockout_ctrld(&g)) {
306    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
307  } else {
308    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
309  }
310
311  owl_editwin_clear(e);
312  owl_editwin_set_dotsend(e);
313  strcpy(buff, "----> ");
314  strcat(buff, line);
315  strcat(buff, "\n");
316  owl_editwin_set_locktext(e, buff);
317
318  /* make it active */
319  owl_global_set_typwin_active(&g);
320
321  owl_global_set_buffercommand(&g, line);
322  owl_global_set_buffercallback(&g, &owl_callback_zwrite);
323}
324
325void owl_function_aimwrite_setup(char *line)
326{
327  owl_editwin *e;
328  char buff[1024];
329
330  /* check the arguments */
331
332  /* create and setup the editwin */
333  e=owl_global_get_typwin(&g);
334  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
335
336  if (!owl_global_get_lockout_ctrld(&g)) {
337    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
338  } else {
339    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
340  }
341
342  owl_editwin_clear(e);
343  owl_editwin_set_dotsend(e);
344  strcpy(buff, "----> ");
345  strcat(buff, line);
346  strcat(buff, "\n");
347  owl_editwin_set_locktext(e, buff);
348
349  /* make it active */
350  owl_global_set_typwin_active(&g);
351
352  owl_global_set_buffercommand(&g, line);
353  owl_global_set_buffercallback(&g, &owl_callback_aimwrite);
354}
355
356void owl_function_loopwrite_setup()
357{
358  owl_editwin *e;
359
360  /* create and setup the editwin */
361  e=owl_global_get_typwin(&g);
362  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
363
364  if (!owl_global_get_lockout_ctrld(&g)) {
365    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
366  } else {
367    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
368  }
369
370  owl_editwin_clear(e);
371  owl_editwin_set_dotsend(e);
372  owl_editwin_set_locktext(e, "----> loopwrite\n");
373
374  /* make it active */
375  owl_global_set_typwin_active(&g);
376
377  owl_global_set_buffercommand(&g, "loopwrite");
378  owl_global_set_buffercallback(&g, &owl_callback_loopwrite);
379}
380
381void owl_callback_zwrite(owl_editwin *e) {
382  owl_function_zwrite(owl_editwin_get_command(e),
383                      owl_editwin_get_text(e));
384}
385
386/* send, log and display an outgoing zephyr.  If 'msg' is NULL
387 * the message is expected to be set from the zwrite line itself
388 */
389void owl_function_zwrite(char *line, char *msg)
390{
391  owl_zwrite z;
392  char *mymsg;
393  owl_message *m;
394
395  /* create the zwrite and send the message */
396  owl_zwrite_create_from_line(&z, line);
397  if (msg) {
398    owl_zwrite_set_message(&z, msg);
399  }
400  owl_zwrite_send_message(&z);
401  owl_function_makemsg("Waiting for ack...");
402
403  /* If it's personal */
404  if (owl_zwrite_is_personal(&z)) {
405    /* create the outgoing message */
406    mymsg=owl_zwrite_get_message(&z);
407    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
408
409    if (m) {
410      /* log it */
411      owl_log_message(m);
412     
413      /* add it or nuke it */
414      if (owl_global_is_displayoutgoing(&g)) {
415        owl_function_add_message(m);
416      } else {
417        owl_message_free(m);
418      }
419    } else {
420      owl_function_error("Could not create outgoing zephyr message");
421    }
422  }
423
424  /* free the zwrite */
425  owl_zwrite_free(&z);
426}
427
428/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
429 * the message is expected to be set from the zwrite line itself
430 */
431void owl_function_zcrypt(char *line, char *msg)
432{
433  owl_zwrite z;
434  char *mymsg;
435  char *cryptmsg;
436  owl_message *m;
437#ifdef OWL_ENABLE_ZCRYPT
438  int ret;
439#endif
440
441  /* create the zwrite and send the message */
442  owl_zwrite_create_from_line(&z, line);
443  if (msg) {
444    owl_zwrite_set_message(&z, msg);
445  }
446
447  mymsg=owl_zwrite_get_message(&z);
448#ifdef OWL_ENABLE_ZCRYPT
449  cryptmsg=owl_malloc(strlen(mymsg)*4);
450  ret=owl_zcrypt_encrypt(cryptmsg, mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
451  if (ret) {
452    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
453    owl_function_beep();
454    owl_free(cryptmsg);
455    return;
456  }
457#else
458  cryptmsg=owl_strdup(mymsg);
459#endif
460
461  owl_zwrite_set_message(&z, cryptmsg);
462  owl_zwrite_set_opcode(&z, "crypt");
463  mymsg=cryptmsg;
464   
465  owl_zwrite_send_message(&z);
466  owl_function_makemsg("Waiting for ack...");
467
468  /* If it's personal */
469  if (owl_zwrite_is_personal(&z)) {
470    /* create the outgoing message */
471    mymsg=owl_zwrite_get_message(&z);
472    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
473    if (m) {
474      /* log it */
475      owl_log_message(m);
476     
477      /* add it or nuke it */
478      if (owl_global_is_displayoutgoing(&g)) {
479        owl_function_add_message(m);
480      } else {
481        owl_message_free(m);
482      }
483    } else {
484      owl_function_error("Could not create outgoing zephyr message");
485    }
486  }
487
488  /* free the zwrite */
489  owl_free(cryptmsg);
490  owl_zwrite_free(&z);
491}
492
493void owl_callback_aimwrite(owl_editwin *e) {
494  owl_function_aimwrite(owl_editwin_get_command(e),
495                        owl_editwin_get_text(e));
496}
497
498void owl_function_aimwrite(char *line, char *msg)
499{
500  int ret;
501  char *to, *format_msg;
502  owl_message *m;
503
504  to = line + 9;
505
506  /* make a formatted copy of the message */
507  format_msg=owl_strdup(msg);
508  owl_text_wordunwrap(format_msg);
509 
510  /* send the message */
511  ret=owl_aim_send_im(to, format_msg);
512  if (!ret) {
513    owl_function_makemsg("AIM message sent.");
514  } else {
515    owl_function_error("Could not send AIM message.");
516  }
517
518  /* create the outgoing message */
519  m=owl_function_make_outgoing_aim(msg, to);
520
521  if (m) {
522    /* log it */
523    owl_log_message(m);
524   
525    /* display it or nuke it */
526    if (owl_global_is_displayoutgoing(&g)) {
527      owl_function_add_message(m);
528    } else {
529      owl_message_free(m);
530    }
531  } else {
532    owl_function_error("Could not create outgoing AIM message");
533  }
534
535  owl_free(format_msg);
536}
537
538void owl_function_send_aimawymsg(char *to, char *msg)
539{
540  int ret;
541  char *format_msg;
542  owl_message *m;
543
544  /* make a formatted copy of the message */
545  format_msg=owl_strdup(msg);
546  owl_text_wordunwrap(format_msg);
547 
548  /* send the message */
549  ret=owl_aim_send_awaymsg(to, format_msg);
550  if (!ret) {
551    /* owl_function_makemsg("AIM message sent."); */
552  } else {
553    owl_function_error("Could not send AIM message.");
554  }
555
556  /* create the message */
557  m=owl_function_make_outgoing_aim(msg, to);
558  if (m) {
559    /* log it */
560    owl_log_message(m);
561
562    /* display it or nuke it */
563    if (owl_global_is_displayoutgoing(&g)) {
564      owl_function_add_message(m);
565    } else {
566      owl_message_free(m);
567    }
568  } else {
569    owl_function_error("Could not create AIM message");
570  }
571  owl_free(format_msg);
572}
573
574void owl_callback_loopwrite(owl_editwin *e) {
575  owl_function_loopwrite(owl_editwin_get_text(e));
576}
577
578void owl_function_loopwrite(char *msg)
579{
580  owl_message *min, *mout;
581
582  /* create a message and put it on the message queue.  This simulates
583   * an incoming message */
584  min=owl_malloc(sizeof(owl_message));
585  owl_message_create_loopback(min, msg);
586  owl_message_set_direction_in(min);
587  owl_global_messagequeue_addmsg(&g, min);
588
589  mout=owl_function_make_outgoing_loopback(msg);
590  owl_log_message(mout);
591  if (owl_global_is_displayoutgoing(&g)) {
592    owl_function_add_message(mout);
593  } else {
594    owl_message_free(mout);
595  }
596
597  /* fake a makemsg */
598  owl_function_makemsg("loopback message sent");
599}
600
601/* If filter is non-null, looks for the next message matching
602 * that filter.  If skip_deleted, skips any deleted messages.
603 * If last_if_none, will stop at the last message in the view
604 * if no matching messages are found.  */
605void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none)
606{
607  int curmsg, i, viewsize, found;
608  owl_view *v;
609  owl_filter *f = NULL;
610  owl_message *m;
611
612  v=owl_global_get_current_view(&g);
613
614  if (filter) {
615    f=owl_global_get_filter(&g, filter);
616    if (!f) {
617      owl_function_error("No %s filter defined", filter);
618      return;
619    }
620  }
621
622  curmsg=owl_global_get_curmsg(&g);
623  viewsize=owl_view_get_size(v);
624  found=0;
625
626  /* just check to make sure we're in bounds... */
627  if (curmsg>viewsize-1) curmsg=viewsize-1;
628  if (curmsg<0) curmsg=0;
629
630  for (i=curmsg+1; i<viewsize; i++) {
631    m=owl_view_get_element(v, i);
632    if (skip_deleted && owl_message_is_delete(m)) continue;
633    if (f && !owl_filter_message_match(f, m)) continue;
634    found = 1;
635    break;
636  }
637
638  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
639
640  if (!found) {
641    owl_function_makemsg("already at last%s message%s%s",
642                         skip_deleted?" non-deleted":"",
643                         filter?" in ":"", filter?filter:"");
644    /* if (!skip_deleted) owl_function_beep(); */
645  }
646
647  if (last_if_none || found) {
648    owl_global_set_curmsg(&g, i);
649    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
650    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
651    owl_global_set_direction_downwards(&g);
652  }
653}
654
655void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none)
656{
657  int curmsg, i, viewsize, found;
658  owl_view *v;
659  owl_filter *f = NULL;
660  owl_message *m;
661
662  v=owl_global_get_current_view(&g);
663
664  if (filter) {
665    f=owl_global_get_filter(&g, filter);
666    if (!f) {
667      owl_function_error("No %s filter defined", filter);
668      return;
669    }
670  }
671
672  curmsg=owl_global_get_curmsg(&g);
673  viewsize=owl_view_get_size(v);
674  found=0;
675
676  /* just check to make sure we're in bounds... */
677  if (curmsg<0) curmsg=0;
678
679  for (i=curmsg-1; i>=0; i--) {
680    m=owl_view_get_element(v, i);
681    if (skip_deleted && owl_message_is_delete(m)) continue;
682    if (f && !owl_filter_message_match(f, m)) continue;
683    found = 1;
684    break;
685  }
686
687  if (i<0) i=0;
688
689  if (!found) {
690    owl_function_makemsg("already at first%s message%s%s",
691                         skip_deleted?" non-deleted":"",
692                         filter?" in ":"", filter?filter:"");
693    /* if (!skip_deleted) owl_function_beep(); */
694  }
695
696  if (first_if_none || found) {
697    owl_global_set_curmsg(&g, i);
698    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
699    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
700    owl_global_set_direction_upwards(&g);
701  }
702}
703
704void owl_function_nextmsg()
705{
706  owl_function_nextmsg_full(NULL, 0, 1);
707}
708
709void owl_function_prevmsg()
710{
711  owl_function_prevmsg_full(NULL, 0, 1);
712}
713
714void owl_function_nextmsg_notdeleted()
715{
716  owl_function_nextmsg_full(NULL, 1, 1);
717}
718
719void owl_function_prevmsg_notdeleted()
720{
721  owl_function_prevmsg_full(NULL, 1, 1);
722}
723
724void owl_function_nextmsg_personal()
725{
726  owl_function_nextmsg_full("personal", 0, 0);
727}
728
729void owl_function_prevmsg_personal()
730{
731  owl_function_prevmsg_full("personal", 0, 0);
732}
733
734
735/* if move_after is 1, moves after the delete */
736void owl_function_deletecur(int move_after)
737{
738  int curmsg;
739  owl_view *v;
740
741  v=owl_global_get_current_view(&g);
742
743  /* bail if there's no current message */
744  if (owl_view_get_size(v) < 1) {
745    owl_function_error("No current message to delete");
746    return;
747  }
748
749  /* mark the message for deletion */
750  curmsg=owl_global_get_curmsg(&g);
751  owl_view_delete_element(v, curmsg);
752
753  if (move_after) {
754    /* move the poiner in the appropriate direction
755     * to the next undeleted msg */
756    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
757      owl_function_prevmsg_notdeleted();
758    } else {
759      owl_function_nextmsg_notdeleted();
760    }
761  }
762}
763
764void owl_function_undeletecur(int move_after)
765{
766  int curmsg;
767  owl_view *v;
768
769  v=owl_global_get_current_view(&g);
770 
771  if (owl_view_get_size(v) < 1) {
772    owl_function_error("No current message to undelete");
773    return;
774  }
775  curmsg=owl_global_get_curmsg(&g);
776
777  owl_view_undelete_element(v, curmsg);
778
779  if (move_after) {
780    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
781      if (curmsg>0) {
782        owl_function_prevmsg();
783      } else {
784        owl_function_nextmsg();
785      }
786    } else {
787      owl_function_nextmsg();
788    }
789  }
790
791  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
792}
793
794void owl_function_expunge()
795{
796  int curmsg;
797  owl_message *m;
798  owl_messagelist *ml;
799  owl_view *v;
800  int lastmsgid=0;
801
802  curmsg=owl_global_get_curmsg(&g);
803  v=owl_global_get_current_view(&g);
804  ml=owl_global_get_msglist(&g);
805
806  m=owl_view_get_element(v, curmsg);
807  if (m) lastmsgid = owl_message_get_id(m);
808
809  /* expunge the message list */
810  owl_messagelist_expunge(ml);
811
812  /* update all views (we only have one right now) */
813  owl_view_recalculate(v);
814
815  /* find where the new position should be
816     (as close as possible to where we last where) */
817  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
818  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
819  if (curmsg<0) curmsg = 0;
820  owl_global_set_curmsg(&g, curmsg);
821  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
822  /* if there are no messages set the direction to down in case we
823     delete everything upwards */
824  owl_global_set_direction_downwards(&g);
825 
826  owl_function_makemsg("Messages expunged");
827  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
828}
829
830void owl_function_firstmsg()
831{
832  owl_global_set_curmsg(&g, 0);
833  owl_global_set_topmsg(&g, 0);
834  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
835  owl_global_set_direction_downwards(&g);
836}
837
838void owl_function_lastmsg_noredisplay()
839{
840  int oldcurmsg, curmsg;
841  owl_view *v;
842
843  v=owl_global_get_current_view(&g);
844  oldcurmsg=owl_global_get_curmsg(&g);
845  curmsg=owl_view_get_size(v)-1; 
846  if (curmsg<0) curmsg=0;
847  owl_global_set_curmsg(&g, curmsg);
848  if (oldcurmsg < curmsg) {
849    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
850  } else if (curmsg<owl_view_get_size(v)) {
851    /* If already at the end, blank the screen and move curmsg
852     * past the end of the messages. */
853    owl_global_set_topmsg(&g, curmsg+1);
854    owl_global_set_curmsg(&g, curmsg+1);
855  } 
856  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
857  owl_global_set_direction_downwards(&g);
858}
859
860void owl_function_lastmsg()
861{
862  owl_function_lastmsg_noredisplay();
863  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
864}
865
866void owl_function_shift_right()
867{
868  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
869  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
870  owl_global_set_needrefresh(&g);
871}
872
873void owl_function_shift_left()
874{
875  int shift;
876
877  shift=owl_global_get_rightshift(&g);
878  if (shift>=10) {
879    owl_global_set_rightshift(&g, shift-10);
880    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
881    owl_global_set_needrefresh(&g);
882  } else {
883    owl_function_beep();
884    owl_function_makemsg("Already full left");
885  }
886}
887
888void owl_function_unsuball()
889{
890  unsuball();
891  owl_function_makemsg("Unsubscribed from all messages.");
892}
893
894
895/* Load zephyr subscriptions from the named 'file' and load zephyr's
896 * default subscriptions as well.  An error message is printed if
897 * 'file' can't be opened or if zephyr reports an error in
898 * subscribing.
899 *
900 * If 'file' is NULL, this look for the default filename
901 * $HOME/.zephyr.subs.  If the file can not be opened in this case
902 * only, no error message is printed.
903 */
904void owl_function_loadsubs(char *file)
905{
906  int ret, ret2;
907  char *foo;
908
909  if (file==NULL) {
910    ret=owl_zephyr_loadsubs(NULL, 0);
911  } else {
912    ret=owl_zephyr_loadsubs(file, 1);
913  }
914
915  /* for backwards compatibility for now */
916  ret2=owl_zephyr_loaddefaultsubs();
917
918  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
919
920  foo=file?file:"file";
921  if (ret==0 && ret2==0) {
922    if (!file) {
923      owl_function_makemsg("Subscribed to messages.");
924    } else {
925      owl_function_makemsg("Subscribed to messages from %s", file);
926    }
927  } else if (ret==-1) {
928    owl_function_error("Could not read %s", foo);
929  } else {
930    owl_function_error("Error subscribing to messages");
931  }
932}
933
934void owl_function_loadloginsubs(char *file)
935{
936  int ret;
937
938  ret=owl_zephyr_loadloginsubs(file);
939
940  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
941  if (ret==0) {
942    owl_function_makemsg("Subscribed to login messages from file.");
943  } else if (ret==-1) {
944    owl_function_error("Could not open file for login subscriptions.");
945  } else {
946    owl_function_error("Error subscribing to login messages from file.");
947  }
948}
949
950void owl_callback_aimlogin(owl_editwin *e) {
951  owl_function_aimlogin(owl_editwin_get_command(e),
952                        owl_global_get_response(&g));
953}
954
955void owl_function_aimlogin(char *user, char *passwd) {
956  int ret;
957
958  /* clear the buddylist */
959  owl_buddylist_clear(owl_global_get_buddylist(&g));
960
961  /* try to login */
962  ret=owl_aim_login(user, passwd);
963  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
964}
965
966void owl_function_suspend()
967{
968  endwin();
969  printf("\n");
970  kill(getpid(), SIGSTOP);
971
972  /* resize to reinitialize all the windows when we come back */
973  owl_command_resize();
974}
975
976void owl_function_zaway_toggle()
977{
978  if (!owl_global_is_zaway(&g)) {
979    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
980    owl_function_zaway_on();
981  } else {
982    owl_function_zaway_off();
983  }
984}
985
986void owl_function_zaway_on()
987{
988  owl_global_set_zaway_on(&g);
989  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
990}
991
992void owl_function_zaway_off()
993{
994  owl_global_set_zaway_off(&g);
995  owl_function_makemsg("zaway off");
996}
997
998void owl_function_aaway_toggle()
999{
1000  if (!owl_global_is_aaway(&g)) {
1001    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
1002    owl_function_aaway_on();
1003  } else {
1004    owl_function_aaway_off();
1005  }
1006}
1007
1008void owl_function_aaway_on()
1009{
1010  owl_global_set_aaway_on(&g);
1011  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
1012  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
1013}
1014
1015void owl_function_aaway_off()
1016{
1017  owl_global_set_aaway_off(&g);
1018  /* owl_aim_set_awaymsg(""); */
1019  owl_function_makemsg("AIM away off");
1020}
1021
1022void owl_function_quit()
1023{
1024  char *ret;
1025 
1026  /* zlog out if we need to */
1027  if (owl_global_is_shutdownlogout(&g)) {
1028    owl_zephyr_zlog_out();
1029  }
1030
1031  /* execute the commands in shutdown */
1032  ret = owl_perlconfig_execute("owl::shutdown();");
1033  if (ret) owl_free(ret);
1034
1035  /* signal our child process, if any */
1036  if (owl_global_get_newmsgproc_pid(&g)) {
1037    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
1038  }
1039
1040  /* Quit zephyr */
1041  owl_zephyr_shutdown();
1042 
1043  /* Quit AIM */
1044  if (owl_global_is_aimloggedin(&g)) {
1045    owl_aim_logout();
1046  }
1047
1048  /* done with curses */
1049  endwin();
1050
1051  /* restore terminal settings */
1052  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
1053
1054  owl_function_debugmsg("Quitting Owl");
1055  exit(0);
1056}
1057
1058void owl_function_openurl()
1059{
1060  /* visit the first url in the current message */
1061  owl_message *m;
1062  owl_view *v;
1063  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
1064  int webbrowser;
1065
1066  webbrowser = owl_global_get_webbrowser(&g);
1067
1068  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
1069    owl_function_error("No browser selected");
1070    return;
1071  }
1072
1073  v=owl_global_get_current_view(&g);
1074 
1075  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1076
1077  if (!m || owl_view_get_size(v)==0) {
1078    owl_function_error("No current message selected");
1079    return;
1080  }
1081
1082  text=owl_message_get_text(m);
1083
1084  /* First look for a good URL */ 
1085  if ((ptr1=strstr(text, "http://"))!=NULL) {
1086    ptr2=strpbrk(ptr1, " \n\t");
1087    if (ptr2) {
1088      strncpy(url, ptr1, ptr2-ptr1+1);
1089      url[ptr2-ptr1+1]='\0';
1090    } else {
1091      strcpy(url, ptr1);
1092    }
1093
1094    /* if we had <http strip a trailing > */
1095    if (ptr1>text && ptr1[-1]=='<') {
1096      if (url[strlen(url)-1]=='>') {
1097        url[strlen(url)-1]='\0';
1098      }
1099    }
1100  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
1101    /* Look for an https URL */ 
1102    ptr2=strpbrk(ptr1, " \n\t");
1103    if (ptr2) {
1104      strncpy(url, ptr1, ptr2-ptr1+1);
1105      url[ptr2-ptr1+1]='\0';
1106    } else {
1107      strcpy(url, ptr1);
1108    }
1109   
1110    /* if we had <http strip a trailing > */
1111    if (ptr1>text && ptr1[-1]=='<') {
1112      if (url[strlen(url)-1]=='>') {
1113        url[strlen(url)-1]='\0';
1114      }
1115    }
1116  } else if ((ptr1=strstr(text, "www."))!=NULL) {
1117    /* if we can't find a real url look for www.something */
1118    ptr2=strpbrk(ptr1, " \n\t");
1119    if (ptr2) {
1120      strncpy(url, ptr1, ptr2-ptr1+1);
1121      url[ptr2-ptr1+1]='\0';
1122    } else {
1123      strcpy(url, ptr1);
1124    }
1125  } else {
1126    owl_function_beep();
1127    owl_function_error("Could not find URL to open.");
1128    return;
1129  }
1130
1131  /* Make sure there aren't any quotes or \'s in the url */
1132  for (ptr1 = url; *ptr1; ptr1++) {
1133    if (*ptr1 == '"' || *ptr1 == '\\') {
1134      owl_function_beep();
1135      owl_function_error("URL contains invalid characters.");
1136      return;
1137    }
1138  }
1139 
1140  /* NOTE: There are potentially serious security issues here... */
1141
1142  /* open the page */
1143  owl_function_makemsg("Opening %s", url);
1144  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
1145    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
1146    system(tmpbuff); 
1147  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
1148    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
1149    system(tmpbuff); 
1150  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
1151    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
1152    system(tmpbuff); 
1153  }
1154}
1155
1156void owl_function_calculate_topmsg(int direction)
1157{
1158  int recwinlines, topmsg, curmsg;
1159  owl_view *v;
1160
1161  v=owl_global_get_current_view(&g);
1162  curmsg=owl_global_get_curmsg(&g);
1163  topmsg=owl_global_get_topmsg(&g);
1164  recwinlines=owl_global_get_recwin_lines(&g);
1165
1166  /*
1167  if (owl_view_get_size(v) < 1) {
1168    return;
1169  }
1170  */
1171
1172  switch (owl_global_get_scrollmode(&g)) {
1173  case OWL_SCROLLMODE_TOP:
1174    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1175    break;
1176  case OWL_SCROLLMODE_NEARTOP:
1177    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1178    break;
1179  case OWL_SCROLLMODE_CENTER:
1180    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1181    break;
1182  case OWL_SCROLLMODE_PAGED:
1183    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1184    break;
1185  case OWL_SCROLLMODE_PAGEDCENTER:
1186    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1187    break;
1188  case OWL_SCROLLMODE_NORMAL:
1189  default:
1190    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1191  }
1192  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1193  owl_global_set_topmsg(&g, topmsg);
1194}
1195
1196/* Returns what the new topmsg should be. 
1197 * Passed the last direction of movement,
1198 * the current view,
1199 * the current message number in the view,
1200 * the top message currently being displayed,
1201 * and the number of lines in the recwin.
1202 */
1203int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1204{
1205  return(curmsg);
1206}
1207
1208int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1209{
1210  if (curmsg>0 
1211      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1212          <  recwinlines/2)) {
1213    return(curmsg-1);
1214  } else {
1215    return(curmsg);
1216  }
1217}
1218 
1219int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1220{
1221  int i, last, lines;
1222
1223  last = curmsg;
1224  lines = 0;
1225  for (i=curmsg-1; i>=0; i--) {
1226    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1227    if (lines > recwinlines/2) break;
1228    last = i;
1229  }
1230  return(last);
1231}
1232 
1233int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1234{
1235  int i, last, lines, savey;
1236 
1237  /* If we're off the top of the screen, scroll up such that the
1238   * curmsg is near the botton of the screen. */
1239  if (curmsg < topmsg) {
1240    last = curmsg;
1241    lines = 0;
1242    for (i=curmsg; i>=0; i--) {
1243      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1244      if (lines > recwinlines) break;
1245    last = i;
1246    }
1247    if (center_on_page) {
1248      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1249    } else {
1250      return(last);
1251    }
1252  }
1253
1254  /* Find number of lines from top to bottom of curmsg (store in savey) */
1255  savey=0;
1256  for (i=topmsg; i<=curmsg; i++) {
1257    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1258  }
1259
1260  /* if we're off the bottom of the screen, scroll down */
1261  if (savey > recwinlines) {
1262    if (center_on_page) {
1263      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1264    } else {
1265      return(curmsg);
1266    }
1267  }
1268
1269  /* else just stay as we are... */
1270  return(topmsg);
1271}
1272
1273int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1274{
1275  int savey, j, i, foo, y;
1276
1277  if (curmsg<0) return(topmsg);
1278   
1279  /* If we're off the top of the screen then center */
1280  if (curmsg<topmsg) {
1281    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1282  }
1283
1284  /* Find number of lines from top to bottom of curmsg (store in savey) */
1285  savey=0;
1286  for (i=topmsg; i<=curmsg; i++) {
1287    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1288  }
1289
1290  /* If we're off the bottom of the screen, set the topmsg to curmsg
1291   * and scroll upwards */
1292  if (savey > recwinlines) {
1293    topmsg=curmsg;
1294    savey=owl_message_get_numlines(owl_view_get_element(v, i));
1295    direction=OWL_DIRECTION_UPWARDS;
1296  }
1297 
1298  /* If our bottom line is less than 1/4 down the screen then scroll up */
1299  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1300    if (savey < (recwinlines / 4)) {
1301      y=0;
1302      for (j=curmsg; j>=0; j--) {
1303        foo=owl_message_get_numlines(owl_view_get_element(v, j));
1304        /* will we run the curmsg off the screen? */
1305        if ((foo+y) >= recwinlines) {
1306          j++;
1307          if (j>curmsg) j=curmsg;
1308          break;
1309        }
1310        /* have saved 1/2 the screen space? */
1311        y+=foo;
1312        if (y > (recwinlines / 2)) break;
1313      }
1314      if (j<0) j=0;
1315      return(j);
1316    }
1317  }
1318
1319  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1320    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1321    if (savey > ((recwinlines * 3)/4)) {
1322      y=0;
1323      /* count lines from the top until we can save 1/2 the screen size */
1324      for (j=topmsg; j<curmsg; j++) {
1325        y+=owl_message_get_numlines(owl_view_get_element(v, j));
1326        if (y > (recwinlines / 2)) break;
1327      }
1328      if (j==curmsg) {
1329        j--;
1330      }
1331      return(j+1);
1332    }
1333  }
1334
1335  return(topmsg);
1336}
1337
1338void owl_function_resize()
1339{
1340  owl_global_set_resize_pending(&g);
1341}
1342
1343void owl_function_run_buffercommand()
1344{
1345  owl_editwin_do_callback(owl_global_get_typwin(&g));
1346}
1347
1348void owl_function_debugmsg(char *fmt, ...)
1349{
1350  FILE *file;
1351  time_t now;
1352  char buff1[LINE], buff2[LINE];
1353  va_list ap;
1354  va_start(ap, fmt);
1355
1356  if (!owl_global_is_debug_fast(&g)) return;
1357
1358  file=fopen(owl_global_get_debug_file(&g), "a");
1359  if (!file) return;
1360
1361  now=time(NULL);
1362  strcpy(buff1, ctime(&now));
1363  buff1[strlen(buff1)-1]='\0';
1364
1365  owl_global_get_runtime_string(&g, buff2);
1366 
1367  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
1368  vfprintf(file, fmt, ap);
1369  fprintf(file, "\n");
1370  fclose(file);
1371
1372  va_end(ap);
1373}
1374
1375void owl_function_refresh()
1376{
1377  owl_function_resize();
1378}
1379
1380void owl_function_beep()
1381{
1382  if (owl_global_is_bell(&g)) {
1383    beep();
1384    owl_global_set_needrefresh(&g); /* do we really need this? */
1385  }
1386}
1387
1388void owl_function_subscribe(char *class, char *inst, char *recip)
1389{
1390  int ret;
1391
1392  ret=owl_zephyr_sub(class, inst, recip);
1393  if (ret) {
1394    owl_function_error("Error subscribing.");
1395  } else {
1396    owl_function_makemsg("Subscribed.");
1397  }
1398}
1399
1400void owl_function_unsubscribe(char *class, char *inst, char *recip)
1401{
1402  int ret;
1403
1404  ret=owl_zephyr_unsub(class, inst, recip);
1405  if (ret) {
1406    owl_function_error("Error subscribing.");
1407  } else {
1408    owl_function_makemsg("Unsubscribed.");
1409  }
1410}
1411
1412void owl_function_set_cursor(WINDOW *win)
1413{
1414  wnoutrefresh(win);
1415}
1416
1417void owl_function_full_redisplay()
1418{
1419  redrawwin(owl_global_get_curs_recwin(&g));
1420  redrawwin(owl_global_get_curs_sepwin(&g));
1421  redrawwin(owl_global_get_curs_typwin(&g));
1422  redrawwin(owl_global_get_curs_msgwin(&g));
1423
1424  wnoutrefresh(owl_global_get_curs_recwin(&g));
1425  wnoutrefresh(owl_global_get_curs_sepwin(&g));
1426  wnoutrefresh(owl_global_get_curs_typwin(&g));
1427  wnoutrefresh(owl_global_get_curs_msgwin(&g));
1428 
1429  sepbar("");
1430  owl_function_makemsg("");
1431
1432  owl_global_set_needrefresh(&g);
1433}
1434
1435void owl_function_popless_text(char *text)
1436{
1437  owl_popwin *pw;
1438  owl_viewwin *v;
1439
1440  pw=owl_global_get_popwin(&g);
1441  v=owl_global_get_viewwin(&g);
1442
1443  owl_popwin_up(pw);
1444  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1445                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1446                        text);
1447  owl_popwin_refresh(pw);
1448  owl_viewwin_redisplay(v, 0);
1449  owl_global_set_needrefresh(&g);
1450}
1451
1452void owl_function_popless_fmtext(owl_fmtext *fm)
1453{
1454  owl_popwin *pw;
1455  owl_viewwin *v;
1456
1457  pw=owl_global_get_popwin(&g);
1458  v=owl_global_get_viewwin(&g);
1459
1460  owl_popwin_up(pw);
1461  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1462                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1463                   fm);
1464  owl_popwin_refresh(pw);
1465  owl_viewwin_redisplay(v, 0);
1466  owl_global_set_needrefresh(&g);
1467}
1468
1469void owl_function_popless_file(char *filename)
1470{
1471  owl_fmtext fm;
1472  FILE *file;
1473  char buff[1024];
1474
1475  file=fopen(filename, "r");
1476  if (!file) {
1477    owl_function_error("Could not open file: %s", filename);
1478    return;
1479  }
1480
1481  owl_fmtext_init_null(&fm);
1482  while (fgets(buff, 1024, file)) {
1483    owl_fmtext_append_normal(&fm, buff);
1484    /*    owl_fmtext_append_normal(&fm, "\n"); */
1485  }
1486
1487  owl_function_popless_fmtext(&fm);
1488  owl_fmtext_free(&fm);
1489  fclose(file);
1490}
1491
1492void owl_function_about()
1493{
1494  char buff[5000];
1495
1496  sprintf(buff, "This is owl version %s\n", OWL_VERSION_STRING);
1497  strcat(buff, "\nOwl was written by James Kretchmar at the Massachusetts\n");
1498  strcat(buff, "Institute of Technology.  The first version, 0.5, was\n");
1499  strcat(buff, "released in March 2002.\n");
1500  strcat(buff, "\n");
1501  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1502  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1503  strcat(buff, "between Witches and Wizards.\n");
1504  strcat(buff, "\n");
1505  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1506  strcat(buff, "\n");
1507  strcat(buff, "Permission to use, copy, modify, and distribute this\n");
1508  strcat(buff, "software and its documentation for any purpose and without\n");
1509  strcat(buff, "fee is hereby granted, provided that the above copyright\n");
1510  strcat(buff, "notice and this permission notice appear in all copies\n");
1511  strcat(buff, "and in supporting documentation.  No representation is\n");
1512  strcat(buff, "made about the suitability of this software for any\n");
1513  strcat(buff, "purpose.  It is provided \"as is\" without express\n");
1514  strcat(buff, "or implied warranty.\n");
1515  owl_function_popless_text(buff);
1516}
1517
1518void owl_function_info()
1519{
1520  owl_message *m;
1521  owl_fmtext fm, attrfm;
1522  char buff[10000];
1523  owl_view *v;
1524#ifdef HAVE_LIBZEPHYR
1525  ZNotice_t *n;
1526#endif
1527
1528  owl_fmtext_init_null(&fm);
1529 
1530  v=owl_global_get_current_view(&g);
1531  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1532  if (!m || owl_view_get_size(v)==0) {
1533    owl_function_error("No message selected\n");
1534    return;
1535  }
1536
1537  owl_fmtext_append_bold(&fm, "General Information:\n");
1538  owl_fmtext_append_normal(&fm, "  Msg Id    : ");
1539  sprintf(buff, "%i", owl_message_get_id(m));
1540  owl_fmtext_append_normal(&fm, buff);
1541  owl_fmtext_append_normal(&fm, "\n");
1542
1543  owl_fmtext_append_normal(&fm, "  Type      : ");
1544  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1545  owl_fmtext_append_normal(&fm, "\n");
1546
1547  if (owl_message_is_direction_in(m)) {
1548    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1549  } else if (owl_message_is_direction_out(m)) {
1550    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1551  } else if (owl_message_is_direction_none(m)) {
1552    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1553  } else {
1554    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1555  }
1556
1557  owl_fmtext_append_normal(&fm, "  Time      : ");
1558  owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1559  owl_fmtext_append_normal(&fm, "\n");
1560
1561  if (!owl_message_is_type_admin(m)) {
1562    owl_fmtext_append_normal(&fm, "  Sender    : ");
1563    owl_fmtext_append_normal(&fm, owl_message_get_sender(m));
1564    owl_fmtext_append_normal(&fm, "\n");
1565   
1566    owl_fmtext_append_normal(&fm, "  Recipient : ");
1567    owl_fmtext_append_normal(&fm, owl_message_get_recipient(m));
1568    owl_fmtext_append_normal(&fm, "\n");
1569  }
1570   
1571  if (owl_message_is_type_zephyr(m)) {
1572    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1573   
1574    owl_fmtext_append_normal(&fm, "  Class     : ");
1575    owl_fmtext_append_normal(&fm, owl_message_get_class(m));
1576    owl_fmtext_append_normal(&fm, "\n");
1577    owl_fmtext_append_normal(&fm, "  Instance  : ");
1578    owl_fmtext_append_normal(&fm, owl_message_get_instance(m));
1579    owl_fmtext_append_normal(&fm, "\n");
1580    owl_fmtext_append_normal(&fm, "  Opcode    : ");
1581    owl_fmtext_append_normal(&fm, owl_message_get_opcode(m));
1582    owl_fmtext_append_normal(&fm, "\n");
1583   
1584    owl_fmtext_append_normal(&fm, "  Time      : ");
1585    owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1586    owl_fmtext_append_normal(&fm, "\n");
1587#ifdef HAVE_LIBZEPHYR
1588    if (owl_message_is_direction_in(m)) {
1589      char *ptr, tmpbuff[1024];
1590      int i, j, fields, len;
1591
1592      n=owl_message_get_notice(m);
1593
1594      if (!owl_message_is_pseudo(m)) {
1595        owl_fmtext_append_normal(&fm, "  Kind      : ");
1596        if (n->z_kind==UNSAFE) {
1597          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1598        } else if (n->z_kind==UNACKED) {
1599          owl_fmtext_append_normal(&fm, "UNACKED\n");
1600        } else if (n->z_kind==ACKED) {
1601          owl_fmtext_append_normal(&fm, "ACKED\n");
1602        } else if (n->z_kind==HMACK) {
1603          owl_fmtext_append_normal(&fm, "HMACK\n");
1604        } else if (n->z_kind==HMCTL) {
1605          owl_fmtext_append_normal(&fm, "HMCTL\n");
1606        } else if (n->z_kind==SERVACK) {
1607          owl_fmtext_append_normal(&fm, "SERVACK\n");
1608        } else if (n->z_kind==SERVNAK) {
1609          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1610        } else if (n->z_kind==CLIENTACK) {
1611          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1612        } else if (n->z_kind==STAT) {
1613          owl_fmtext_append_normal(&fm, "STAT\n");
1614        } else {
1615          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1616        }
1617      }
1618      owl_fmtext_append_normal(&fm, "  Host      : ");
1619      owl_fmtext_append_normal(&fm, owl_message_get_hostname(m));
1620
1621      if (!owl_message_is_pseudo(m)) {
1622        owl_fmtext_append_normal(&fm, "\n");
1623        sprintf(buff, "  Port      : %i\n", ntohs(n->z_port));
1624        owl_fmtext_append_normal(&fm, buff);
1625
1626        owl_fmtext_append_normal(&fm,    "  Auth      : ");
1627        owl_fmtext_append_normal(&fm, owl_zephyr_get_authstr(n));
1628        owl_fmtext_append_normal(&fm, "\n");
1629       
1630        /* fix this */
1631        sprintf(buff, "  Checkd Ath: %i\n", n->z_checked_auth);
1632        sprintf(buff, "%s  Multi notc: %s\n", buff, n->z_multinotice);
1633        sprintf(buff, "%s  Num other : %i\n", buff, n->z_num_other_fields);
1634        sprintf(buff, "%s  Msg Len   : %i\n", buff, n->z_message_len);
1635        owl_fmtext_append_normal(&fm, buff);
1636       
1637        sprintf(buff, "  Fields    : %i\n", owl_zephyr_get_num_fields(n));
1638        owl_fmtext_append_normal(&fm, buff);
1639       
1640        fields=owl_zephyr_get_num_fields(n);
1641        for (i=0; i<fields; i++) {
1642          sprintf(buff, "  Field %i   : ", i+1);
1643         
1644          ptr=owl_zephyr_get_field(n, i+1);
1645          len=strlen(ptr);
1646          if (len<30) {
1647            strncpy(tmpbuff, ptr, len);
1648            tmpbuff[len]='\0';
1649          } else {
1650            strncpy(tmpbuff, ptr, 30);
1651            tmpbuff[30]='\0';
1652            strcat(tmpbuff, "...");
1653          }
1654          owl_free(ptr);
1655         
1656          for (j=0; j<strlen(tmpbuff); j++) {
1657            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1658            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1659          }
1660         
1661          strcat(buff, tmpbuff);
1662          strcat(buff, "\n");
1663          owl_fmtext_append_normal(&fm, buff);
1664        }
1665        owl_fmtext_append_normal(&fm, "  Default Fm:");
1666        owl_fmtext_append_normal(&fm, n->z_default_format);
1667      }
1668     
1669    }
1670#endif   
1671  }
1672
1673  if (owl_message_is_type_aim(m)) {
1674    owl_fmtext_append_bold(&fm, "\nAIM Specific Information:\n");
1675  }
1676
1677  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1678  owl_message_attributes_tofmtext(m, &attrfm);
1679  owl_fmtext_append_fmtext(&fm, &attrfm);
1680 
1681  owl_function_popless_fmtext(&fm);
1682  owl_fmtext_free(&fm);
1683  owl_fmtext_free(&attrfm);
1684}
1685
1686/* print the current message in a popup window.
1687 * Use the 'default' style regardless of whatever
1688 * style the user may be using
1689 */
1690void owl_function_curmsg_to_popwin()
1691{
1692  owl_popwin *pw;
1693  owl_view *v;
1694  owl_message *m;
1695  owl_style *s;
1696  owl_fmtext fm;
1697
1698  v=owl_global_get_current_view(&g);
1699  s=owl_global_get_style_by_name(&g, "default");
1700  pw=owl_global_get_popwin(&g);
1701
1702  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1703
1704  if (!m || owl_view_get_size(v)==0) {
1705    owl_function_error("No current message");
1706    return;
1707  }
1708
1709  owl_fmtext_init_null(&fm);
1710  owl_style_get_formattext(s, &fm, m);
1711
1712  owl_function_popless_fmtext(&fm);
1713  owl_fmtext_free(&fm);
1714}
1715
1716void owl_function_page_curmsg(int step)
1717{
1718  /* scroll down or up within the current message IF the message is truncated */
1719
1720  int offset, curmsg, lines;
1721  owl_view *v;
1722  owl_message *m;
1723
1724  offset=owl_global_get_curmsg_vert_offset(&g);
1725  v=owl_global_get_current_view(&g);
1726  curmsg=owl_global_get_curmsg(&g);
1727  m=owl_view_get_element(v, curmsg);
1728  if (!m || owl_view_get_size(v)==0) return;
1729  lines=owl_message_get_numlines(m);
1730
1731  if (offset==0) {
1732    /* Bail if the curmsg isn't the last one displayed */
1733    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1734      owl_function_makemsg("The entire message is already displayed");
1735      return;
1736    }
1737   
1738    /* Bail if we're not truncated */
1739    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1740      owl_function_makemsg("The entire message is already displayed");
1741      return;
1742    }
1743  }
1744 
1745 
1746  /* don't scroll past the last line */
1747  if (step>0) {
1748    if (offset+step > lines-1) {
1749      owl_global_set_curmsg_vert_offset(&g, lines-1);
1750    } else {
1751      owl_global_set_curmsg_vert_offset(&g, offset+step);
1752    }
1753  }
1754
1755  /* would we be before the beginning of the message? */
1756  if (step<0) {
1757    if (offset+step<0) {
1758      owl_global_set_curmsg_vert_offset(&g, 0);
1759    } else {
1760      owl_global_set_curmsg_vert_offset(&g, offset+step);
1761    }
1762  }
1763 
1764  /* redisplay */
1765  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1766  owl_global_set_needrefresh(&g);
1767}
1768
1769void owl_function_resize_typwin(int newsize)
1770{
1771  owl_global_set_typwin_lines(&g, newsize);
1772  owl_function_resize();
1773}
1774
1775void owl_function_typwin_grow()
1776{
1777  int i;
1778
1779  i=owl_global_get_typwin_lines(&g);
1780  owl_function_resize_typwin(i+1);
1781}
1782
1783void owl_function_typwin_shrink()
1784{
1785  int i;
1786
1787  i=owl_global_get_typwin_lines(&g);
1788  if (i>2) {
1789    owl_function_resize_typwin(i-1);
1790  }
1791}
1792
1793void owl_function_mainwin_pagedown()
1794{
1795  int i;
1796
1797  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1798  if (i<0) return;
1799  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1800      && (owl_global_get_curmsg(&g) < i)
1801      && (i>0)) {
1802    i--;
1803  }
1804  owl_global_set_curmsg(&g, i);
1805  owl_function_nextmsg();
1806}
1807
1808void owl_function_mainwin_pageup()
1809{
1810  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1811  owl_function_prevmsg();
1812}
1813
1814void owl_function_getsubs()
1815{
1816  char *buff;
1817
1818  buff=owl_zephyr_getsubs();
1819
1820  if (buff) {
1821    owl_function_popless_text(buff);
1822  } else {
1823    owl_function_popless_text("Error getting subscriptions");
1824  }
1825           
1826  owl_free(buff);
1827}
1828
1829#define PABUFLEN 5000
1830void owl_function_printallvars()
1831{
1832  char buff[PABUFLEN], *pos, *name;
1833  owl_list varnames;
1834  int i, numvarnames, rem;
1835
1836  pos = buff;
1837  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1838  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1839  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1840  rem = (buff+PABUFLEN)-pos-1;
1841  numvarnames = owl_list_get_size(&varnames);
1842  for (i=0; i<numvarnames; i++) {
1843    name = owl_list_get_element(&varnames, i);
1844    if (name && name[0]!='_') {
1845      rem = (buff+PABUFLEN)-pos-1;   
1846      pos += snprintf(pos, rem, "\n%-20s = ", name);
1847      rem = (buff+PABUFLEN)-pos-1;   
1848      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1849      pos = buff+strlen(buff);
1850    }
1851  }
1852  rem = (buff+PABUFLEN)-pos-1;   
1853  snprintf(pos, rem, "\n");
1854  owl_variable_dict_namelist_free(&varnames);
1855 
1856  owl_function_popless_text(buff);
1857}
1858
1859void owl_function_show_variables()
1860{
1861  owl_list varnames;
1862  owl_fmtext fm; 
1863  int i, numvarnames;
1864  char *varname;
1865
1866  owl_fmtext_init_null(&fm);
1867  owl_fmtext_append_bold(&fm, 
1868      "Variables: (use 'show variable <name>' for details)\n");
1869  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1870  numvarnames = owl_list_get_size(&varnames);
1871  for (i=0; i<numvarnames; i++) {
1872    varname = owl_list_get_element(&varnames, i);
1873    if (varname && varname[0]!='_') {
1874      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1875    }
1876  }
1877  owl_variable_dict_namelist_free(&varnames);
1878  owl_function_popless_fmtext(&fm);
1879  owl_fmtext_free(&fm);
1880}
1881
1882void owl_function_show_variable(char *name)
1883{
1884  owl_fmtext fm; 
1885
1886  owl_fmtext_init_null(&fm);
1887  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1888  owl_function_popless_fmtext(&fm);
1889  owl_fmtext_free(&fm); 
1890}
1891
1892/* note: this applies to global message list, not to view.
1893 * If flag is 1, deletes.  If flag is 0, undeletes. */
1894void owl_function_delete_by_id(int id, int flag)
1895{
1896  owl_messagelist *ml;
1897  owl_message *m;
1898  ml = owl_global_get_msglist(&g);
1899  m = owl_messagelist_get_by_id(ml, id);
1900  if (m) {
1901    if (flag == 1) {
1902      owl_message_mark_delete(m);
1903    } else if (flag == 0) {
1904      owl_message_unmark_delete(m);
1905    }
1906    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1907    owl_global_set_needrefresh(&g);
1908  } else {
1909    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1910  }
1911}
1912
1913void owl_function_delete_automsgs()
1914{
1915  /* mark for deletion all messages in the current view that match the
1916   * 'trash' filter */
1917
1918  int i, j, count;
1919  owl_message *m;
1920  owl_view *v;
1921  owl_filter *f;
1922
1923  /* get the trash filter */
1924  f=owl_global_get_filter(&g, "trash");
1925  if (!f) {
1926    owl_function_error("No trash filter defined");
1927    return;
1928  }
1929
1930  v=owl_global_get_current_view(&g);
1931
1932  count=0;
1933  j=owl_view_get_size(v);
1934  for (i=0; i<j; i++) {
1935    m=owl_view_get_element(v, i);
1936    if (owl_filter_message_match(f, m)) {
1937      count++;
1938      owl_message_mark_delete(m);
1939    }
1940  }
1941  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1942  owl_function_makemsg("%i messages marked for deletion", count);
1943  owl_global_set_needrefresh(&g);
1944}
1945
1946void owl_function_status()
1947{
1948  char buff[5000];
1949  time_t start;
1950  int up, days, hours, minutes;
1951  owl_fmtext fm;
1952
1953  owl_fmtext_init_null(&fm);
1954
1955  start=owl_global_get_starttime(&g);
1956
1957  owl_fmtext_append_normal(&fm, "General Information:\n");
1958
1959  owl_fmtext_append_normal(&fm, "  Version: ");
1960  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1961  owl_fmtext_append_normal(&fm, "\n");
1962
1963  owl_fmtext_append_normal(&fm, "  Startup Arugments: ");
1964  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1965  owl_fmtext_append_normal(&fm, "\n");
1966
1967  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1968  (void) getcwd(buff, MAXPATHLEN);
1969  owl_fmtext_append_normal(&fm, buff);
1970  owl_fmtext_append_normal(&fm, "\n");
1971
1972  sprintf(buff, "  Startup Time: %s", ctime(&start));
1973  owl_fmtext_append_normal(&fm, buff);
1974
1975  up=owl_global_get_runtime(&g);
1976  days=up/86400;
1977  up-=days*86400;
1978  hours=up/3600;
1979  up-=hours*3600;
1980  minutes=up/60;
1981  up-=minutes*60;
1982  sprintf(buff, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1983  owl_fmtext_append_normal(&fm, buff);
1984
1985  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1986  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1987  if (owl_global_is_havezephyr(&g)) {
1988    owl_fmtext_append_normal(&fm, "yes\n");
1989  } else {
1990    owl_fmtext_append_normal(&fm, "no\n");
1991  }
1992  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1993  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1994
1995
1996  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1997  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1998#if OWL_STDERR_REDIR
1999  owl_fmtext_append_normal(&fm, "yes\n");
2000#else
2001  owl_fmtext_append_normal(&fm, "no\n");
2002#endif
2003 
2004
2005  owl_fmtext_append_normal(&fm, "\nMemory Usage:\n");
2006  owl_fmtext_append_normal(&fm, "  Not currently available.\n");
2007  /*
2008  sprintf(buff, "%sMemory Malloced: %i\n", buff, owl_global_get_malloced(&g));
2009  sprintf(buff, "%sMemory Freed: %i\n", buff, owl_global_get_freed(&g));
2010  sprintf(buff, "%sMemory In Use: %i\n", buff, owl_global_get_meminuse(&g));
2011  */
2012
2013  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
2014  owl_fmtext_append_normal(&fm, "  Logged in: ");
2015  if (owl_global_is_aimloggedin(&g)) {
2016    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
2017    owl_fmtext_append_normal(&fm, "\n");
2018  } else {
2019    owl_fmtext_append_normal(&fm, "(not logged in)\n");
2020  }
2021
2022  owl_fmtext_append_normal(&fm, "  Processing events: ");
2023  if (owl_global_is_doaimevents(&g)) {
2024    owl_fmtext_append_normal(&fm, "yes\n");
2025  } else {
2026    owl_fmtext_append_normal(&fm, "no\n");
2027  }
2028
2029  owl_function_popless_fmtext(&fm);
2030  owl_fmtext_free(&fm);
2031}
2032
2033void owl_function_show_term()
2034{
2035  owl_fmtext fm;
2036  char buff[LINE];
2037
2038  owl_fmtext_init_null(&fm);
2039  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
2040          owl_global_get_lines(&g),
2041          owl_global_get_cols(&g));
2042  owl_fmtext_append_normal(&fm, buff);
2043
2044  if (owl_global_get_hascolors(&g)) {
2045    owl_fmtext_append_normal(&fm, "Color: Yes\n");
2046    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
2047    owl_fmtext_append_normal(&fm, buff);
2048    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
2049    owl_fmtext_append_normal(&fm, buff);
2050  } else {
2051    owl_fmtext_append_normal(&fm, "Color: No\n");
2052  }
2053
2054  owl_function_popless_fmtext(&fm);
2055  owl_fmtext_free(&fm);
2056}
2057
2058/* if type = 0 then normal reply.
2059 * if type = 1 then it's a reply to sender
2060 * if enter = 0 then allow the command to be edited
2061 * if enter = 1 then don't wait for editing
2062 */
2063void owl_function_reply(int type, int enter)
2064{
2065  char *buff=NULL, *oldbuff;
2066  owl_message *m;
2067  owl_filter *f;
2068 
2069  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
2070    owl_function_error("No message selected");
2071  } else {
2072    char *class, *inst, *to, *cc=NULL;
2073   
2074    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
2075    if (!m) {
2076      owl_function_error("No message selected");
2077      return;
2078    }
2079
2080    /* first check if we catch the reply-lockout filter */
2081    f=owl_global_get_filter(&g, "reply-lockout");
2082    if (f) {
2083      if (owl_filter_message_match(f, m)) {
2084        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
2085        return;
2086      }
2087    }
2088
2089    /* admin */
2090    if (owl_message_is_type_admin(m)) {
2091      owl_function_error("You cannot reply to an admin message");
2092      return;
2093    }
2094
2095    /* loopback */
2096    if (owl_message_is_type_loopback(m)) {
2097      owl_function_loopwrite_setup();
2098      return;
2099    }
2100
2101    /* zephyr */
2102    if (owl_message_is_type_zephyr(m)) {
2103      /* if it's a zephyr we sent, send it out the same way again */
2104      if (owl_message_is_direction_out(m)) {
2105        owl_function_zwrite_setup(owl_message_get_zwriteline(m));
2106        owl_global_set_buffercommand(&g, owl_message_get_zwriteline(m));
2107        return;
2108      }
2109
2110      /* Special case a personal reply to a webzephyr user on a class */
2111      if ((type==1) && !strcasecmp(owl_message_get_opcode(m), OWL_WEBZEPHYR_OPCODE)) {
2112        class=OWL_WEBZEPHYR_CLASS;
2113        inst=owl_message_get_sender(m);
2114        to=OWL_WEBZEPHYR_PRINCIPAL;
2115      } else if (!strcasecmp(owl_message_get_class(m), OWL_WEBZEPHYR_CLASS) && owl_message_is_loginout(m)) {
2116        /* Special case LOGIN/LOGOUT notifications on class "webzephyr" */
2117        class=OWL_WEBZEPHYR_CLASS;
2118        inst=owl_message_get_instance(m);
2119        to=OWL_WEBZEPHYR_PRINCIPAL;
2120      } else if (owl_message_is_loginout(m)) {
2121        /* Normal LOGIN/LOGOUT messages */
2122        class="MESSAGE";
2123        inst="PERSONAL";
2124        to=owl_message_get_sender(m);
2125      } else if (type==1) {
2126        /* Personal reply */
2127        class="MESSAGE";
2128        inst="PERSONAL";
2129        to=owl_message_get_sender(m);
2130      } else {
2131        /* General reply */
2132        class=owl_message_get_class(m);
2133        inst=owl_message_get_instance(m);
2134        to=owl_message_get_recipient(m);
2135        cc=owl_message_get_cc(m);
2136        if (!strcmp(to, "") || !strcmp(to, "*")) {
2137          to="";
2138        } else if (to[0]=='@') {
2139          /* leave it, to get the realm */
2140        } else {
2141          to=owl_message_get_sender(m);
2142        }
2143      }
2144       
2145      /* create the command line */
2146      if (!strcasecmp(owl_message_get_opcode(m), "CRYPT")) {
2147        buff=owl_strdup("zcrypt");
2148      } else {
2149        buff = owl_strdup("zwrite");
2150      }
2151      if (strcasecmp(class, "message")) {
2152        buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
2153        owl_free(oldbuff);
2154      }
2155      if (strcasecmp(inst, "personal")) {
2156        buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
2157        owl_free(oldbuff);
2158      }
2159      if (*to != '\0') {
2160        char *tmp, *oldtmp, *tmp2;
2161        tmp=short_zuser(to);
2162        if (cc) {
2163          tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
2164          owl_free(oldtmp);
2165          buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
2166          owl_free(oldbuff);
2167        } else {
2168          if (owl_global_is_smartstrip(&g)) {
2169            tmp2=tmp;
2170            tmp=owl_zephyr_smartstripped_user(tmp2);
2171            owl_free(tmp2);
2172          }
2173          buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
2174          owl_free(oldbuff);
2175        }
2176        owl_free(tmp);
2177      }
2178      if (cc) owl_free(cc);
2179    } else if (owl_message_is_type_aim(m)) {
2180      /* aim */
2181      if (owl_message_is_direction_out(m)) {
2182        buff=owl_sprintf("aimwrite %s", owl_message_get_recipient(m));
2183      } else {
2184        buff=owl_sprintf("aimwrite %s", owl_message_get_sender(m));
2185      }
2186    } else {
2187      char *cmd;
2188      if((type==0 && (cmd=owl_message_get_attribute_value(m, "replycmd")))
2189         || (type==1 && (cmd=owl_message_get_attribute_value(m, "replysendercmd")))) {
2190        buff = owl_strdup(cmd);
2191      }
2192    }
2193
2194    if (enter) {
2195      owl_history *hist = owl_global_get_cmd_history(&g);
2196      owl_history_store(hist, buff);
2197      owl_history_reset(hist);
2198      owl_function_command_norv(buff);
2199    } else {
2200      owl_function_start_command(buff);
2201    }
2202    owl_free(buff);
2203  }
2204}
2205
2206void owl_function_zlocate(int argc, char **argv, int auth)
2207{
2208  owl_fmtext fm;
2209  char *ptr, buff[LINE];
2210  int i;
2211
2212  owl_fmtext_init_null(&fm);
2213
2214  for (i=0; i<argc; i++) {
2215    ptr=long_zuser(argv[i]);
2216    owl_zephyr_zlocate(ptr, buff, auth);
2217    owl_fmtext_append_normal(&fm, buff);
2218    owl_free(ptr);
2219  }
2220
2221  owl_function_popless_fmtext(&fm);
2222  owl_fmtext_free(&fm);
2223}
2224
2225void owl_function_start_command(char *line)
2226{
2227  int i, j;
2228  owl_editwin *tw;
2229
2230  tw=owl_global_get_typwin(&g);
2231  owl_global_set_typwin_active(&g);
2232  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
2233                        owl_global_get_cmd_history(&g));
2234
2235  owl_editwin_set_locktext(tw, "command: ");
2236  owl_global_set_needrefresh(&g);
2237
2238  j=strlen(line);
2239  for (i=0; i<j; i++) {
2240    owl_editwin_process_char(tw, line[i]);
2241  }
2242  owl_editwin_redisplay(tw, 0);
2243
2244  owl_context_set_editline(owl_global_get_context(&g), tw);
2245  owl_function_activate_keymap("editline");
2246}
2247
2248void owl_function_start_question(char *line)
2249{
2250  owl_editwin *tw;
2251
2252  tw=owl_global_get_typwin(&g);
2253  owl_global_set_typwin_active(&g);
2254  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2255
2256  owl_editwin_set_locktext(tw, line);
2257  owl_global_set_needrefresh(&g);
2258
2259  owl_editwin_redisplay(tw, 0);
2260
2261  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2262  owl_function_activate_keymap("editresponse");
2263}
2264
2265void owl_function_start_password(char *line)
2266{
2267  owl_editwin *tw;
2268
2269  tw=owl_global_get_typwin(&g);
2270  owl_global_set_typwin_active(&g);
2271  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2272  owl_editwin_set_echochar(tw, '*');
2273
2274  owl_editwin_set_locktext(tw, line);
2275  owl_global_set_needrefresh(&g);
2276
2277  owl_editwin_redisplay(tw, 0);
2278
2279  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2280  owl_function_activate_keymap("editresponse");
2281}
2282
2283char *owl_function_exec(int argc, char **argv, char *buff, int type)
2284{
2285  /* if type == 1 display in a popup
2286   * if type == 2 display an admin messages
2287   * if type == 0 return output
2288   * else display in a popup
2289   */
2290  char *newbuff, *redirect = " 2>&1 < /dev/null";
2291  char *out, buff2[1024];
2292  int size;
2293  FILE *p;
2294
2295#if OWL_STDERR_REDIR
2296  redirect = " < /dev/null";
2297#endif
2298
2299  if (argc<2) {
2300    owl_function_error("Wrong number of arguments to the exec command");
2301    return NULL;
2302  }
2303
2304  buff = skiptokens(buff, 1);
2305  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
2306  strcpy(newbuff, buff);
2307  strcat(newbuff, redirect);
2308
2309  if (type == 1) {
2310    owl_popexec_new(newbuff);
2311  } else {
2312    p=popen(newbuff, "r");
2313    out=owl_malloc(1024);
2314    size=1024;
2315    strcpy(out, "");
2316    while (fgets(buff2, 1024, p)!=NULL) {
2317      size+=1024;
2318      out=owl_realloc(out, size);
2319      strcat(out, buff2);
2320    }
2321    pclose(p);
2322   
2323    if (type==1) {
2324      owl_function_popless_text(out);
2325    } else if (type==0) {
2326      return out;
2327    } else if (type==2) {
2328      owl_function_adminmsg(buff, out);
2329    } else {
2330      owl_function_popless_text(out);
2331    }
2332    owl_free(out);
2333  }
2334  return NULL;
2335}
2336
2337char *owl_function_perl(int argc, char **argv, char *buff, int type)
2338{
2339  /* if type == 1 display in a popup
2340   * if type == 2 display an admin messages
2341   * if type == 0 return output
2342   * else display in a popup
2343   */
2344  char *perlout;
2345
2346  if (argc<2) {
2347    owl_function_error("Wrong number of arguments to perl command");
2348    return NULL;
2349  }
2350
2351  /* consume first token (argv[0]) */
2352  buff = skiptokens(buff, 1);
2353
2354  perlout = owl_perlconfig_execute(buff);
2355  if (perlout) { 
2356    if (type==1) {
2357      owl_function_popless_text(perlout);
2358    } else if (type==2) {
2359      owl_function_adminmsg(buff, perlout);
2360    } else if (type==0) {
2361      return perlout;
2362    } else {
2363      owl_function_popless_text(perlout);
2364    }
2365    owl_free(perlout);
2366  }
2367  return NULL;
2368}
2369
2370/* Change the filter associated with the current view.
2371 * This also figures out which message in the new filter
2372 * should have the pointer.
2373 */
2374void owl_function_change_currentview_filter(char *filtname)
2375{
2376  owl_view *v;
2377  owl_filter *f;
2378  int curid=-1, newpos, curmsg;
2379  owl_message *curm=NULL;
2380
2381  v=owl_global_get_current_view(&g);
2382
2383  curmsg=owl_global_get_curmsg(&g);
2384  if (curmsg==-1) {
2385    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2386  } else {
2387    curm=owl_view_get_element(v, curmsg);
2388    if (curm) {
2389      curid=owl_message_get_id(curm);
2390      owl_view_save_curmsgid(v, curid);
2391    }
2392  }
2393
2394  f=owl_global_get_filter(&g, filtname);
2395  if (!f) {
2396    owl_function_error("Unknown filter %s", filtname);
2397    return;
2398  }
2399
2400  owl_view_new_filter(v, f);
2401
2402  /* Figure out what to set the current message to.
2403   * - If the view we're leaving has messages in it, go to the closest message
2404   *   to the last message pointed to in that view.
2405   * - If the view we're leaving is empty, try to restore the position
2406   *   from the last time we were in the new view.  */
2407  if (curm) {
2408    newpos = owl_view_get_nearest_to_msgid(v, curid);
2409  } else {
2410    newpos = owl_view_get_nearest_to_saved(v);
2411  }
2412
2413  owl_global_set_curmsg(&g, newpos);
2414  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2415  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2416  owl_global_set_direction_downwards(&g);
2417}
2418
2419/* Create a new filter, or replace an existing one
2420 * with a new definition.
2421 */
2422void owl_function_create_filter(int argc, char **argv)
2423{
2424  owl_filter *f;
2425  owl_view *v;
2426  int ret, inuse=0;
2427
2428  if (argc < 2) {
2429    owl_function_error("Wrong number of arguments to filter command");
2430    return;
2431  }
2432
2433  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2434
2435  v=owl_global_get_current_view(&g);
2436
2437  /* don't touch the all filter */
2438  if (!strcmp(argv[1], "all")) {
2439    owl_function_error("You may not change the 'all' filter.");
2440    return;
2441  }
2442
2443  /* deal with the case of trying change the filter color */
2444  if (argc==4 && !strcmp(argv[2], "-c")) {
2445    f=owl_global_get_filter(&g, argv[1]);
2446    if (!f) {
2447      owl_function_error("The filter '%s' does not exist.", argv[1]);
2448      return;
2449    }
2450    if (owl_util_string_to_color(argv[3])==-1) {
2451      owl_function_error("The color '%s' is not available.", argv[3]);
2452      return;
2453    }
2454    owl_filter_set_color(f, owl_util_string_to_color(argv[3]));
2455    owl_global_set_needrefresh(&g);
2456    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2457    return;
2458  }
2459
2460  /* create the filter and check for errors */
2461  f=owl_malloc(sizeof(owl_filter));
2462  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
2463  if (ret==-1) {
2464    owl_free(f);
2465    owl_function_error("Invalid filter");
2466    return;
2467  }
2468
2469  /* if the named filter is in use by the current view, remember it */
2470  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2471    inuse=1;
2472  }
2473
2474  /* if the named filter already exists, nuke it */
2475  if (owl_global_get_filter(&g, argv[1])) {
2476    owl_global_remove_filter(&g, argv[1]);
2477  }
2478
2479  /* add the filter */
2480  owl_global_add_filter(&g, f);
2481
2482  /* if it was in use by the current view then update */
2483  if (inuse) {
2484    owl_function_change_currentview_filter(argv[1]);
2485  }
2486  owl_global_set_needrefresh(&g);
2487  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2488}
2489
2490/* If 'filtername' does not start with 'not-' create a filter named
2491 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2492 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2493 * 'filtername' begins with 'not-' and a filter 'filtername' already
2494 * exists, then do nothing.  If the filter 'filtername' does not
2495 * exist, create it and define it as 'not filter <filtername>'
2496 *
2497 * Returns the name of the negated filter, which the caller must free.
2498 */
2499char *owl_function_create_negative_filter(char *filtername)
2500{
2501  char *newname;
2502  owl_filter *tmpfilt;
2503  char *argv[5];
2504
2505  owl_function_debugmsg("owl_function_create_negative_filter");
2506 
2507  if (!strncmp(filtername, "not-", 4)) {
2508    newname=owl_strdup(filtername+4);
2509  } else {
2510    newname=owl_sprintf("not-%s", filtername);
2511  }
2512
2513  tmpfilt=owl_global_get_filter(&g, newname);
2514  if (!tmpfilt) {
2515    argv[0]="filter"; /* anything is fine here */
2516    argv[1]=newname;
2517    argv[2]="not";
2518    argv[3]="filter";
2519    argv[4]=filtername;
2520    owl_function_create_filter(5, argv);
2521  }
2522
2523  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2524  return(newname);
2525}
2526
2527void owl_function_show_filters()
2528{
2529  owl_list *l;
2530  owl_filter *f;
2531  int i, j;
2532  owl_fmtext fm;
2533
2534  owl_fmtext_init_null(&fm);
2535
2536  l=owl_global_get_filterlist(&g);
2537  j=owl_list_get_size(l);
2538
2539  owl_fmtext_append_bold(&fm, "Filters:\n");
2540
2541  for (i=0; i<j; i++) {
2542    f=owl_list_get_element(l, i);
2543    owl_fmtext_append_normal(&fm, "   ");
2544    if (owl_global_get_hascolors(&g)) {
2545      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_color(f));
2546    } else {
2547      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2548    }
2549    owl_fmtext_append_normal(&fm, "\n");
2550  }
2551  owl_function_popless_fmtext(&fm);
2552  owl_fmtext_free(&fm);
2553}
2554
2555void owl_function_show_filter(char *name)
2556{
2557  owl_filter *f;
2558  char buff[5000];
2559
2560  f=owl_global_get_filter(&g, name);
2561  if (!f) {
2562    owl_function_error("There is no filter named %s", name);
2563    return;
2564  }
2565  owl_filter_print(f, buff);
2566  owl_function_popless_text(buff);
2567}
2568
2569void owl_function_show_zpunts()
2570{
2571  owl_filter *f;
2572  owl_list *fl;
2573  char buff[5000];
2574  owl_fmtext fm;
2575  int i, j;
2576
2577  owl_fmtext_init_null(&fm);
2578
2579  fl=owl_global_get_puntlist(&g);
2580  j=owl_list_get_size(fl);
2581  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2582
2583  for (i=0; i<j; i++) {
2584    f=owl_list_get_element(fl, i);
2585    owl_filter_print(f, buff);
2586    owl_fmtext_append_normal(&fm, buff);
2587  }
2588  owl_function_popless_fmtext(&fm);
2589  owl_fmtext_free(&fm);
2590}
2591
2592/* Create a filter for a class, instance if one doesn't exist.  If
2593 * instance is NULL then catch all messgaes in the class.  Returns the
2594 * name of the filter, which the caller must free.
2595 */
2596char *owl_function_classinstfilt(char *class, char *instance) 
2597{
2598  owl_list *fl;
2599  owl_filter *f;
2600  char *argbuff, *filtname;
2601  char *tmpclass, *tmpinstance = NULL;
2602  int len;
2603
2604  fl=owl_global_get_filterlist(&g);
2605
2606  /* name for the filter */
2607  len=strlen(class)+30;
2608  if (instance) len+=strlen(instance);
2609  filtname=owl_malloc(len);
2610  if (!instance) {
2611    sprintf(filtname, "class-%s", class);
2612  } else {
2613    sprintf(filtname, "class-%s-instance-%s", class, instance);
2614  }
2615  /* downcase it */
2616  downstr(filtname);
2617  /* turn spaces into dots */
2618  owl_text_tr(filtname, ' ', '.');
2619 
2620  /* if it already exists then go with it.  This lets users override */
2621  if (owl_global_get_filter(&g, filtname)) {
2622    return(filtname);
2623  }
2624
2625  /* create the new filter */
2626  argbuff=owl_malloc(len+20);
2627  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2628  owl_text_tr(tmpclass, ' ', '.');
2629  if (instance) {
2630    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2631    owl_text_tr(tmpinstance, ' ', '.');
2632  }
2633  sprintf(argbuff, "( class ^(un)*%s(\\.d)*$ )", tmpclass);
2634  if (tmpinstance) {
2635    sprintf(argbuff, "%s and ( instance ^%s(\\.d)*$ )", argbuff, tmpinstance);
2636  }
2637  owl_free(tmpclass);
2638  if (tmpinstance) owl_free(tmpinstance);
2639
2640  f=owl_malloc(sizeof(owl_filter));
2641  owl_filter_init_fromstring(f, filtname, argbuff);
2642
2643  /* add it to the global list */
2644  owl_global_add_filter(&g, f);
2645
2646  owl_free(argbuff);
2647  return(filtname);
2648}
2649
2650/* Create a filter for personal zephyrs to or from the specified
2651 * zephyr user.  Includes login/logout notifications for the user.
2652 * The name of the filter will be 'user-<user>'.  If a filter already
2653 * exists with this name, no new filter will be created.  This allows
2654 * the configuration to override this function.  Returns the name of
2655 * the filter, which the caller must free.
2656 */
2657char *owl_function_zuserfilt(char *user)
2658{
2659  owl_filter *f;
2660  char *argbuff, *longuser, *shortuser, *filtname;
2661
2662  /* stick the local realm on if it's not there */
2663  longuser=long_zuser(user);
2664  shortuser=short_zuser(user);
2665
2666  /* name for the filter */
2667  filtname=owl_malloc(strlen(shortuser)+20);
2668  sprintf(filtname, "user-%s", shortuser);
2669
2670  /* if it already exists then go with it.  This lets users override */
2671  if (owl_global_get_filter(&g, filtname)) {
2672    return(owl_strdup(filtname));
2673  }
2674
2675  /* create the new-internal filter */
2676  f=owl_malloc(sizeof(owl_filter));
2677
2678  argbuff=owl_malloc(strlen(longuser)+1000);
2679  sprintf(argbuff, "( type ^zephyr$ and ( class ^message$ and instance ^personal$ and ");
2680  sprintf(argbuff, "%s ( ( direction ^in$ and sender ^%s$ ) or ( direction ^out$ and recipient ^%s$ ) ) )", argbuff, longuser, longuser);
2681  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) ) )", argbuff, longuser);
2682
2683  owl_filter_init_fromstring(f, filtname, argbuff);
2684
2685  /* add it to the global list */
2686  owl_global_add_filter(&g, f);
2687
2688  /* free stuff */
2689  owl_free(argbuff);
2690  owl_free(longuser);
2691  owl_free(shortuser);
2692
2693  return(filtname);
2694}
2695
2696/* Create a filter for AIM IM messages to or from the specified
2697 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2698 * filter already exists with this name, no new filter will be
2699 * created.  This allows the configuration to override this function.
2700 * Returns the name of the filter, which the caller must free.
2701 */
2702char *owl_function_aimuserfilt(char *user)
2703{
2704  owl_filter *f;
2705  char *argbuff, *filtname;
2706
2707  /* name for the filter */
2708  filtname=owl_malloc(strlen(user)+40);
2709  sprintf(filtname, "aimuser-%s", user);
2710
2711  /* if it already exists then go with it.  This lets users override */
2712  if (owl_global_get_filter(&g, filtname)) {
2713    return(owl_strdup(filtname));
2714  }
2715
2716  /* create the new-internal filter */
2717  f=owl_malloc(sizeof(owl_filter));
2718
2719  argbuff=owl_malloc(1000);
2720  sprintf(argbuff,
2721          "( type ^aim$ and ( ( sender ^%s$ and recipient ^%s$ ) or ( sender ^%s$ and recipient ^%s$ ) ) )",
2722          user, owl_global_get_aim_screenname(&g), owl_global_get_aim_screenname(&g), user);
2723
2724  owl_filter_init_fromstring(f, filtname, argbuff);
2725
2726  /* add it to the global list */
2727  owl_global_add_filter(&g, f);
2728
2729  /* free stuff */
2730  owl_free(argbuff);
2731
2732  return(filtname);
2733}
2734
2735char *owl_function_typefilt(char *type)
2736{
2737  owl_filter *f;
2738  char *argbuff, *filtname;
2739
2740  /* name for the filter */
2741  filtname=owl_sprintf("type-%s", type);
2742
2743  /* if it already exists then go with it.  This lets users override */
2744  if (owl_global_get_filter(&g, filtname)) {
2745    return filtname;
2746  }
2747
2748  /* create the new-internal filter */
2749  f=owl_malloc(sizeof(owl_filter));
2750
2751  argbuff = owl_sprintf("type ^%s$", type);
2752
2753  owl_filter_init_fromstring(f, filtname, argbuff);
2754
2755  /* add it to the global list */
2756  owl_global_add_filter(&g, f);
2757
2758  /* free stuff */
2759  owl_free(argbuff);
2760
2761  return filtname;
2762}
2763
2764/* If flag is 1, marks for deletion.  If flag is 0,
2765 * unmarks for deletion. */
2766void owl_function_delete_curview_msgs(int flag)
2767{
2768  owl_view *v;
2769  int i, j;
2770
2771  v=owl_global_get_current_view(&g);
2772  j=owl_view_get_size(v);
2773  for (i=0; i<j; i++) {
2774    if (flag == 1) {
2775      owl_message_mark_delete(owl_view_get_element(v, i));
2776    } else if (flag == 0) {
2777      owl_message_unmark_delete(owl_view_get_element(v, i));
2778    }
2779  }
2780
2781  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2782
2783  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2784}
2785
2786/* Create a filter based on the current message.  Returns the name of
2787 * a filter or null.  The caller must free this name.
2788 *
2789 * if the curmsg is a personal zephyr return a filter name
2790 *    to the zephyr converstaion with that user.
2791 * If the curmsg is a zephyr class message, instance foo, recip *,
2792 *    return a filter name to the class, inst.
2793 * If the curmsg is a zephyr class message and type==0 then
2794 *    return a filter name for just the class.
2795 * If the curmsg is a zephyr class message and type==1 then
2796 *    return a filter name for the class and instance.
2797 * If the curmsg is a personal AIM message returna  filter
2798 *    name to the AIM conversation with that user
2799 */
2800char *owl_function_smartfilter(int type)
2801{
2802  owl_view *v;
2803  owl_message *m;
2804  char *zperson, *filtname=NULL;
2805 
2806  v=owl_global_get_current_view(&g);
2807  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2808
2809  if (!m || owl_view_get_size(v)==0) {
2810    owl_function_error("No message selected\n");
2811    return(NULL);
2812  }
2813
2814  /* very simple handling of admin messages for now */
2815  if (owl_message_is_type_admin(m)) {
2816    return(owl_function_typefilt("admin"));
2817  }
2818
2819  /* very simple handling of loopback messages for now */
2820  if (owl_message_is_type_loopback(m)) {
2821    return(owl_function_typefilt("loopback"));
2822  }
2823
2824  /* aim messages */
2825  if (owl_message_is_type_aim(m)) {
2826    if (owl_message_is_direction_in(m)) {
2827      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2828    } else if (owl_message_is_direction_out(m)) {
2829      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2830    }
2831    return(filtname);
2832  }
2833
2834  /* narrow personal and login messages to the sender or recip as appropriate */
2835  if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2836    if (owl_message_is_type_zephyr(m)) {
2837      if (owl_message_is_direction_in(m)) {
2838        zperson=short_zuser(owl_message_get_sender(m));
2839      } else {
2840        zperson=short_zuser(owl_message_get_recipient(m));
2841      }
2842      filtname=owl_function_zuserfilt(zperson);
2843      owl_free(zperson);
2844      return(filtname);
2845    }
2846    return(NULL);
2847  }
2848
2849  /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2850  if (!strcasecmp(owl_message_get_class(m), "message") && !owl_message_is_personal(m)) {
2851    filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2852    return(filtname);
2853  }
2854
2855  /* otherwise narrow to the class */
2856  if (type==0) {
2857    filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2858  } else if (type==1) {
2859    filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2860  }
2861  return(filtname);
2862}
2863
2864void owl_function_smartzpunt(int type)
2865{
2866  /* Starts a zpunt command based on the current class,instance pair.
2867   * If type=0, uses just class.  If type=1, uses instance as well. */
2868  owl_view *v;
2869  owl_message *m;
2870  char *cmd, *cmdprefix, *mclass, *minst;
2871 
2872  v=owl_global_get_current_view(&g);
2873  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2874
2875  if (!m || owl_view_get_size(v)==0) {
2876    owl_function_error("No message selected\n");
2877    return;
2878  }
2879
2880  /* for now we skip admin messages. */
2881  if (owl_message_is_type_admin(m)
2882      || owl_message_is_loginout(m)
2883      || !owl_message_is_type_zephyr(m)) {
2884    owl_function_error("smartzpunt doesn't support this message type.");
2885    return;
2886  }
2887
2888  mclass = owl_message_get_class(m);
2889  minst = owl_message_get_instance(m);
2890  if (!mclass || !*mclass || *mclass==' '
2891      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2892      || (type && (!minst || !*minst|| *minst==' '))) {
2893    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2894                         mclass, minst);
2895  } else {
2896    cmdprefix = "start-command zpunt ";
2897    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2898    strcpy(cmd, cmdprefix);
2899    strcat(cmd, owl_getquoting(mclass));
2900    strcat(cmd, mclass);
2901    strcat(cmd, owl_getquoting(mclass));
2902    if (type) {
2903      strcat(cmd, " ");
2904      strcat(cmd, owl_getquoting(minst));
2905      strcat(cmd, minst);
2906      strcat(cmd, owl_getquoting(minst));
2907    } else {
2908      strcat(cmd, " *");
2909    }
2910    owl_function_command(cmd);
2911    owl_free(cmd);
2912  }
2913}
2914
2915/* Set the color of the current view's filter to
2916 * be 'color'
2917 */
2918void owl_function_color_current_filter(char *color)
2919{
2920  char *name;
2921
2922  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2923  owl_function_color_filter(name, color);
2924}
2925
2926/* Set the color of the filter 'filter' to be 'color'.  If the color
2927 * name does not exist, return -1, if the filter does not exist or is
2928 * the "all" filter, return -2.  Return 0 on success
2929 */
2930int owl_function_color_filter(char *filtname, char *color)
2931{
2932  owl_filter *f;
2933
2934  f=owl_global_get_filter(&g, filtname);
2935  if (!f) {
2936    owl_function_error("Unknown filter");
2937    return(-2);
2938  }
2939
2940  /* don't touch the all filter */
2941  if (!strcmp(filtname, "all")) {
2942    owl_function_error("You may not change the 'all' filter.");
2943    return(-2);
2944  }
2945
2946  if (owl_util_string_to_color(color)==-1) {
2947    owl_function_error("No color named '%s' avilable.");
2948    return(-1);
2949  }
2950  owl_filter_set_color(f, owl_util_string_to_color(color));
2951  owl_global_set_needrefresh(&g);
2952  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2953  return(0);
2954}
2955
2956void owl_function_show_colors()
2957{
2958  owl_fmtext fm;
2959
2960  owl_fmtext_init_null(&fm);
2961  owl_fmtext_append_normal(&fm, "default: ");
2962  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT);
2963
2964  owl_fmtext_append_normal(&fm,"red:      ");
2965  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED);
2966
2967  owl_fmtext_append_normal(&fm,"green:    ");
2968  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN);
2969
2970  owl_fmtext_append_normal(&fm,"yellow:   ");
2971  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW);
2972
2973  owl_fmtext_append_normal(&fm,"blue:     ");
2974  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE);
2975
2976  owl_fmtext_append_normal(&fm,"magenta:  ");
2977  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA);
2978
2979  owl_fmtext_append_normal(&fm,"cyan:     ");
2980  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN);
2981
2982  owl_fmtext_append_normal(&fm,"white:    ");
2983  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE);
2984
2985  owl_function_popless_fmtext(&fm);
2986  owl_fmtext_free(&fm);
2987}
2988
2989/* add the given class, inst, recip to the punt list for filtering.
2990 *   if direction==0 then punt
2991 *   if direction==1 then unpunt
2992 */
2993void owl_function_zpunt(char *class, char *inst, char *recip, int direction)
2994{
2995  owl_filter *f;
2996  owl_list *fl;
2997  char *buff;
2998  char *quoted;
2999  int ret, i, j;
3000
3001  fl=owl_global_get_puntlist(&g);
3002
3003  /* first, create the filter */
3004  f=malloc(sizeof(owl_filter));
3005  buff=malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
3006  strcpy(buff, "class");
3007  if (!strcmp(class, "*")) {
3008    strcat(buff, " .*");
3009  } else {
3010    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3011    owl_text_tr(quoted, ' ', '.');
3012    sprintf(buff, "%s ^(un)*%s(\\.d)*$", buff, quoted);
3013    owl_free(quoted);
3014  }
3015  if (!strcmp(inst, "*")) {
3016    strcat(buff, " and instance .*");
3017  } else {
3018    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3019    owl_text_tr(quoted, ' ', '.');
3020    sprintf(buff, "%s and instance ^(un)*%s(\\.d)*$", buff, quoted);
3021    owl_free(quoted);
3022  }
3023  if (strcmp(recip, "*")) {
3024    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3025    owl_text_tr(quoted, ' ', '.');
3026    sprintf(buff, "%s and recipient ^%s$", buff, quoted);
3027    owl_free(quoted);
3028  }
3029 
3030  owl_function_debugmsg("About to filter %s", buff);
3031  ret=owl_filter_init_fromstring(f, "punt-filter", buff);
3032  owl_free(buff);
3033  if (ret) {
3034    owl_function_error("Error creating filter for zpunt");
3035    owl_filter_free(f);
3036    return;
3037  }
3038
3039  /* Check for an identical filter */
3040  j=owl_list_get_size(fl);
3041  for (i=0; i<j; i++) {
3042    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
3043      /* if we're punting, then just silently bow out on this duplicate */
3044      if (direction==0) {
3045        owl_filter_free(f);
3046        return;
3047      }
3048
3049      /* if we're unpunting, then remove this filter from the puntlist */
3050      if (direction==1) {
3051        owl_filter_free(owl_list_get_element(fl, i));
3052        owl_list_remove_element(fl, i);
3053        return;
3054      }
3055    }
3056  }
3057
3058  /* If we're punting, add the filter to the global punt list */
3059  if (direction==0) {
3060    owl_list_append_element(fl, f);
3061  }
3062}
3063
3064void owl_function_activate_keymap(char *keymap)
3065{
3066  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
3067    owl_function_error("Unable to activate keymap '%s'", keymap);
3068  }
3069}
3070
3071void owl_function_show_keymaps()
3072{
3073  owl_list l;
3074  owl_fmtext fm;
3075  owl_keymap *km;
3076  owl_keyhandler *kh;
3077  int i, numkm;
3078  char *kmname;
3079
3080  kh = owl_global_get_keyhandler(&g);
3081  owl_fmtext_init_null(&fm);
3082  owl_fmtext_append_bold(&fm, "Keymaps:   ");
3083  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
3084  owl_keyhandler_get_keymap_names(kh, &l);
3085  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
3086  owl_fmtext_append_normal(&fm, "\n");
3087
3088  numkm = owl_list_get_size(&l);
3089  for (i=0; i<numkm; i++) {
3090    kmname = owl_list_get_element(&l, i);
3091    km = owl_keyhandler_get_keymap(kh, kmname);
3092    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
3093    owl_keymap_get_details(km, &fm);   
3094  }
3095  owl_fmtext_append_normal(&fm, "\n");
3096 
3097  owl_function_popless_fmtext(&fm);
3098  owl_keyhandler_keymap_namelist_free(&l);
3099  owl_fmtext_free(&fm);
3100}
3101
3102char *owl_function_keymap_summary(void *name)
3103{
3104  owl_keymap *km
3105    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3106  if (km) return owl_keymap_summary(km);
3107  else return(NULL);
3108}
3109
3110/* TODO: implement for real */
3111void owl_function_show_keymap(char *name)
3112{
3113  owl_fmtext fm;
3114  owl_keymap *km;
3115
3116  owl_fmtext_init_null(&fm);
3117  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3118  if (km) {
3119    owl_keymap_get_details(km, &fm);
3120  } else {
3121    owl_fmtext_append_normal(&fm, "No such keymap...\n");
3122  } 
3123  owl_function_popless_fmtext(&fm);
3124  owl_fmtext_free(&fm);
3125}
3126
3127void owl_function_help_for_command(char *cmdname)
3128{
3129  owl_fmtext fm;
3130
3131  owl_fmtext_init_null(&fm);
3132  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
3133  owl_function_popless_fmtext(&fm); 
3134  owl_fmtext_free(&fm);
3135}
3136
3137void owl_function_search_start(char *string, int direction)
3138{
3139  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3140  owl_global_set_search_active(&g, string);
3141  owl_function_search_helper(0, direction);
3142}
3143
3144void owl_function_search_continue(int direction)
3145{
3146  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3147  owl_function_search_helper(1, direction);
3148}
3149
3150void owl_function_search_helper(int mode, int direction)
3151{
3152  /* move to a message that contains the string.  If direction is
3153   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
3154   * OWL_DIRECTION_UPWARDS then search backwards.
3155   *
3156   * If mode==0 then it will stay on the current message if it
3157   * contains the string.
3158   */
3159
3160  owl_view *v;
3161  int viewsize, i, curmsg, start;
3162  owl_message *m;
3163
3164  v=owl_global_get_current_view(&g);
3165  viewsize=owl_view_get_size(v);
3166  curmsg=owl_global_get_curmsg(&g);
3167 
3168  if (viewsize==0) {
3169    owl_function_error("No messages present");
3170    return;
3171  }
3172
3173  if (mode==0) {
3174    start=curmsg;
3175  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3176    start=curmsg+1;
3177  } else {
3178    start=curmsg-1;
3179  }
3180
3181  /* bounds check */
3182  if (start>=viewsize || start<0) {
3183    owl_function_error("No further matches found");
3184    return;
3185  }
3186
3187  for (i=start; i<viewsize && i>=0;) {
3188    m=owl_view_get_element(v, i);
3189    if (owl_message_search(m, owl_global_get_search_string(&g))) {
3190      owl_global_set_curmsg(&g, i);
3191      owl_function_calculate_topmsg(direction);
3192      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3193      if (direction==OWL_DIRECTION_DOWNWARDS) {
3194        owl_global_set_direction_downwards(&g);
3195      } else {
3196        owl_global_set_direction_upwards(&g);
3197      }
3198      return;
3199    }
3200    if (direction==OWL_DIRECTION_DOWNWARDS) {
3201      i++;
3202    } else {
3203      i--;
3204    }
3205  }
3206  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3207  owl_function_error("No matches found");
3208}
3209
3210/* strips formatting from ztext and returns the unformatted text.
3211 * caller is responsible for freeing. */
3212char *owl_function_ztext_stylestrip(char *zt)
3213{
3214  owl_fmtext fm;
3215  char *plaintext;
3216
3217  owl_fmtext_init_null(&fm);
3218  owl_fmtext_append_ztext(&fm, zt);
3219  plaintext = owl_fmtext_print_plain(&fm);
3220  owl_fmtext_free(&fm);
3221  return(plaintext);
3222}
3223
3224/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3225void owl_function_buddylist(int aim, int zephyr, char *filename)
3226{
3227  int i, j, x, idle;
3228  owl_fmtext fm;
3229  owl_buddylist *bl;
3230  owl_buddy *b;
3231  owl_list anyone;
3232  char *foo, *timestr;
3233#ifdef HAVE_LIBZEPHYR
3234  char *tmp, *user, *line;
3235  ZLocations_t location[200];
3236  int numlocs, ret;
3237#endif
3238
3239  owl_fmtext_init_null(&fm);
3240
3241  /* AIM first */
3242  if (aim && owl_global_is_aimloggedin(&g)) {
3243    bl=owl_global_get_buddylist(&g);
3244
3245    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3246    /* we're assuming AIM for now */
3247    j=owl_buddylist_get_size(bl);
3248    for (i=0; i<j; i++) {
3249      b=owl_buddylist_get_buddy_n(bl, i);
3250      idle=owl_buddy_get_idle_time(b);
3251      if (idle!=0) {
3252        timestr=owl_util_minutes_to_timestr(idle);
3253      } else {
3254        timestr=owl_strdup("");
3255      }
3256      foo=owl_sprintf("  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3257      owl_fmtext_append_normal(&fm, foo);
3258      owl_free(timestr);
3259      owl_free(foo);
3260    }
3261  }
3262
3263#ifdef HAVE_LIBZEPHYR
3264  if (zephyr) {
3265    owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3266    owl_list_create(&anyone);
3267    ret=owl_zephyr_get_anyone_list(&anyone, filename);
3268    if (ret) {
3269      owl_fmtext_append_normal(&fm, "  Error opening file for zephyr buddies.\n");
3270    } else {
3271      j=owl_list_get_size(&anyone);
3272      for (i=0; i<j; i++) {
3273        user=owl_list_get_element(&anyone, i);
3274        ret=ZLocateUser(user, &numlocs, ZAUTH);
3275        if (ret!=ZERR_NONE) {
3276          owl_function_error("Error getting location for %s", user);
3277          continue;
3278        }
3279       
3280        numlocs=200;
3281        ret=ZGetLocations(location, &numlocs);
3282        if (ret==0) {
3283          for (x=0; x<numlocs; x++) {
3284            line=malloc(strlen(location[x].host)+strlen(location[x].time)+strlen(location[x].tty)+100);
3285            tmp=short_zuser(user);
3286            sprintf(line, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3287                    tmp,
3288                    location[x].host,
3289                    location[x].tty,
3290                    location[x].time);
3291            owl_fmtext_append_normal(&fm, line);
3292            owl_free(tmp);
3293            owl_free(line);
3294          }
3295          if (numlocs>=200) {
3296            owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3297          }
3298        }
3299      }
3300    }
3301    owl_list_free_all(&anyone, owl_free);
3302  }
3303#endif
3304 
3305  owl_function_popless_fmtext(&fm);
3306  owl_fmtext_free(&fm);
3307}
3308
3309/* Dump messages in the current view to the file 'filename'. */
3310void owl_function_dump(char *filename) 
3311{
3312  int i, j, count;
3313  owl_message *m;
3314  owl_view *v;
3315  FILE *file;
3316
3317  v=owl_global_get_current_view(&g);
3318
3319  /* in the future make it ask yes/no */
3320  /*
3321  ret=stat(filename, &sbuf);
3322  if (!ret) {
3323    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3324    if (!ret) return;
3325  }
3326  */
3327
3328  file=fopen(filename, "w");
3329  if (!file) {
3330    owl_function_error("Error opening file");
3331    return;
3332  }
3333
3334  count=0;
3335  j=owl_view_get_size(v);
3336  for (i=0; i<j; i++) {
3337    m=owl_view_get_element(v, i);
3338    fputs(owl_message_get_text(m), file);
3339  }
3340  fclose(file);
3341  owl_function_makemsg("Messages dumped to %s", filename);
3342}
3343
3344void owl_function_do_newmsgproc(void)
3345{
3346  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3347    /* if there's a process out there, we need to check on it */
3348    if (owl_global_get_newmsgproc_pid(&g)) {
3349      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3350      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3351      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3352      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3353        /* it exited */
3354        owl_global_set_newmsgproc_pid(&g, 0);
3355        owl_function_debugmsg("newmsgproc exited");
3356      } else {
3357        owl_function_debugmsg("newmsgproc did not exit");
3358      }
3359    }
3360   
3361    /* if it exited, fork & exec a new one */
3362    if (owl_global_get_newmsgproc_pid(&g)==0) {
3363      int i, myargc;
3364      i=fork();
3365      if (i) {
3366        /* parent set the child's pid */
3367        owl_global_set_newmsgproc_pid(&g, i);
3368        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3369      } else {
3370        /* child exec's the program */
3371        char **parsed;
3372        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3373        if (myargc < 0) {
3374          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3375        }
3376        if (myargc <= 0) {
3377          _exit(127);
3378        }
3379        parsed=realloc(parsed, sizeof(*parsed) * (myargc+1));
3380        parsed[myargc] = NULL;
3381       
3382        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3383       
3384        execvp(parsed[0], parsed);
3385       
3386       
3387        /* was there an error exec'ing? */
3388        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3389                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3390        _exit(127);
3391      }
3392    }
3393  }
3394}
3395
3396/* print the xterm escape sequence to raise the window */
3397void owl_function_xterm_raise(void)
3398{
3399  printf("\033[5t");
3400}
3401
3402/* print the xterm escape sequence to deiconify the window */
3403void owl_function_xterm_deiconify(void)
3404{
3405  printf("\033[1t");
3406}
3407
3408/* Add the specified command to the startup file.  Eventually this
3409 * should be clever, and rewriting settings that will obviosly
3410 * override earlier settings with 'set' 'bindkey' and 'alias'
3411 * commands.  For now though we just remove any line that would
3412 * duplicate this one and then append this line to the end of
3413 * startupfile.
3414 */
3415void owl_function_addstartup(char *buff)
3416{
3417  FILE *file;
3418  char *filename;
3419
3420  filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3421  file=fopen(filename, "a");
3422  if (!file) {
3423    owl_function_error("Error opening startupfile for new command");
3424    owl_free(filename);
3425    return;
3426  }
3427
3428  /* delete earlier copies */
3429  owl_util_file_deleteline(filename, buff, 1);
3430  owl_free(filename);
3431
3432  /* add this line */
3433  fprintf(file, "%s\n", buff);
3434
3435  fclose(file);
3436}
3437
3438/* Remove the specified command from the startup file. */
3439void owl_function_delstartup(char *buff)
3440{
3441  char *filename;
3442  filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3443  owl_util_file_deleteline(filename, buff, 1);
3444  owl_free(filename);
3445}
3446
3447/* Execute owl commands from the given filename.  If the filename
3448 * is NULL, use the default owl startup commands file.
3449 */
3450void owl_function_source(char *filename)
3451{
3452  FILE *file;
3453  char buff[LINE];
3454
3455  if (!filename) {
3456    filename=owl_sprintf("%s/%s", owl_global_get_homedir(&g), OWL_STARTUP_FILE);
3457    file=fopen(filename, "r");
3458    owl_free(filename);
3459  } else {
3460    file=fopen(filename, "r");
3461  }
3462  if (!file) {
3463    /* just fail silently if it doesn't exist */
3464    return;
3465  }
3466  while (fgets(buff, LINE, file)!=NULL) {
3467    buff[strlen(buff)-1]='\0';
3468    owl_function_command(buff);
3469  }
3470  fclose(file);
3471}
3472
3473void owl_function_change_style(owl_view *v, char *stylename)
3474{
3475  owl_style *s;
3476
3477  s=owl_global_get_style_by_name(&g, stylename);
3478  if (!s) {
3479    owl_function_error("No style named %s", stylename);
3480    return;
3481  }
3482  owl_view_set_style(v, s);
3483  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3484  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3485  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3486}
3487
3488void owl_function_toggleoneline()
3489{
3490  owl_view *v;
3491  owl_style *s;
3492
3493  v=owl_global_get_current_view(&g);
3494  s=owl_view_get_style(v);
3495
3496  if (!owl_style_matches_name(s, "oneline")) {
3497    owl_function_change_style(v, "oneline");
3498  } else {
3499    owl_function_change_style(v, owl_global_get_default_style(&g));
3500  }
3501
3502  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3503  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3504  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3505}
3506
3507void owl_function_error(char *fmt, ...)
3508{
3509  va_list ap;
3510  char buff[2048], buff2[2048];
3511  char *date;
3512  time_t now;
3513
3514  now=time(NULL);
3515  date=owl_strdup(ctime(&now));
3516  date[strlen(date)-1]='\0';
3517
3518  va_start(ap, fmt);
3519
3520  vsnprintf(buff, 2048, fmt, ap);
3521  sprintf(buff2, "%s %s", date, buff);
3522  owl_function_debugmsg("ERROR: %s", buff);
3523  if (owl_global_get_curs_msgwin(&g)) {
3524    werase(owl_global_get_curs_msgwin(&g));
3525    waddstr(owl_global_get_curs_msgwin(&g), buff); 
3526    wnoutrefresh(owl_global_get_curs_msgwin(&g));
3527    owl_global_set_needrefresh(&g);
3528  }
3529  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff2);
3530  va_end(ap);
3531  owl_free(date);
3532}
3533
3534void owl_function_showerrs()
3535{
3536  owl_fmtext fm;
3537
3538  owl_fmtext_init_null(&fm);
3539  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3540  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3541  owl_function_popless_fmtext(&fm);
3542}
3543
3544void owl_function_makemsg(char *fmt, ...)
3545{
3546  va_list ap;
3547  char buff[2048];
3548
3549  if (!owl_global_get_curs_msgwin(&g)) return;
3550
3551  va_start(ap, fmt);
3552  werase(owl_global_get_curs_msgwin(&g));
3553 
3554  vsnprintf(buff, 2048, fmt, ap);
3555  owl_function_debugmsg("makemsg: %s", buff);
3556  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3557  wnoutrefresh(owl_global_get_curs_msgwin(&g));
3558  owl_global_set_needrefresh(&g);
3559  va_end(ap);
3560}
3561
3562/* get locations for everyone in .anyone.  If 'notify' is '1' then
3563 * send a pseudo login or logout message for everyone not in sync with
3564 * the global zephyr buddy list.  The list is updated regardless of
3565 * the status of 'notify'.
3566 */
3567void owl_function_zephyr_buddy_check(int notify)
3568{
3569#ifdef HAVE_LIBZEPHYR
3570  int i, j;
3571  owl_list anyone;
3572  owl_message *m;
3573  owl_zbuddylist *zbl;
3574  char *user;
3575  ZLocations_t location[200];
3576  int numlocs, ret;
3577
3578  zbl=owl_global_get_zephyr_buddylist(&g);
3579
3580  owl_list_create(&anyone);
3581  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3582
3583  j=owl_list_get_size(&anyone);
3584  for (i=0; i<j; i++) {
3585    user=owl_list_get_element(&anyone, i);
3586    ret=ZLocateUser(user, &numlocs, ZAUTH);
3587    if (ret!=ZERR_NONE) {
3588      owl_function_error("Error getting location for %s", user);
3589      continue;
3590    }
3591    numlocs=200;
3592    ret=ZGetLocations(location, &numlocs);
3593    if (ret==0) {
3594      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3595        /* Send a PSEUDO LOGIN! */
3596        if (notify) {
3597          m=owl_malloc(sizeof(owl_message));
3598          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3599          owl_global_messagequeue_addmsg(&g, m);
3600        }
3601        owl_zbuddylist_adduser(zbl, user);
3602        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3603      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3604        /* I don't think this ever happens (if there are 0 locations we should get an error from
3605         * ZGetLocations)
3606         */
3607        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3608      }
3609    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3610      /* Send a PSEUDO LOGOUT! */
3611      if (notify) {
3612        m=owl_malloc(sizeof(owl_message));
3613        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3614        owl_global_messagequeue_addmsg(&g, m);
3615      }
3616      owl_zbuddylist_deluser(zbl, user);
3617      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3618    }
3619  }
3620
3621  owl_list_free_all(&anyone, owl_free);
3622#endif
3623}
3624
3625void owl_function_aimsearch_results(char *email, owl_list *namelist)
3626{
3627  owl_fmtext fm;
3628  int i, j;
3629
3630  owl_fmtext_init_null(&fm);
3631  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3632  owl_fmtext_append_normal(&fm, email);
3633  owl_fmtext_append_normal(&fm, ":\n");
3634
3635  j=owl_list_get_size(namelist);
3636  for (i=0; i<j; i++) {
3637    owl_fmtext_append_normal(&fm, "  ");
3638    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3639    owl_fmtext_append_normal(&fm, "\n");
3640  }
3641
3642  owl_function_popless_fmtext(&fm);
3643  owl_fmtext_free(&fm);
3644}
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