source: functions.c @ fa65671

release-1.7release-1.8release-1.9
Last change on this file since fa65671 was 40d1eef, checked in by David Benjamin <davidben@mit.edu>, 11 years ago
And a hacky port of the mainwin too Some of the old relayout code should still be reorganized, but it's a start.
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File size: 95.1 KB
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14#include "filterproc.h"
15
16char *owl_function_command(const char *cmdbuff)
17{
18  owl_function_debugmsg("executing command: %s", cmdbuff);
19  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
20                             owl_global_get_context(&g), cmdbuff);
21}
22
23char *owl_function_command_argv(const char *const *argv, int argc)
24{
25  return owl_cmddict_execute_argv(owl_global_get_cmddict(&g),
26                                  owl_global_get_context(&g),
27                                  argv, argc);
28}
29
30void owl_function_command_norv(const char *cmdbuff)
31{
32  char *rv;
33  rv=owl_function_command(cmdbuff);
34  if (rv) owl_free(rv);
35}
36
37void owl_function_command_alias(const char *alias_from, const char *alias_to)
38{
39  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
40}
41
42const owl_cmd *owl_function_get_cmd(const char *name)
43{
44  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
45}
46
47void owl_function_show_commands(void)
48{
49  owl_list l;
50  owl_fmtext fm;
51
52  owl_fmtext_init_null(&fm);
53  owl_fmtext_append_bold(&fm, "Commands:  ");
54  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
55  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
56  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
57  owl_fmtext_append_normal(&fm, "\n");
58  owl_function_popless_fmtext(&fm);
59  owl_cmddict_namelist_cleanup(&l);
60  owl_fmtext_cleanup(&fm);
61}
62
63void owl_function_show_view(const char *viewname)
64{
65  const owl_view *v;
66  owl_fmtext fm;
67
68  /* we only have the one view right now */
69  v=owl_global_get_current_view(&g);
70  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
71    owl_function_error("No view named '%s'", viewname);
72    return;
73  }
74
75  owl_fmtext_init_null(&fm);
76  owl_view_to_fmtext(v, &fm);
77  owl_function_popless_fmtext(&fm);
78  owl_fmtext_cleanup(&fm);
79}
80
81void owl_function_show_styles(void) {
82  owl_list l;
83  owl_fmtext fm;
84
85  owl_fmtext_init_null(&fm);
86  owl_fmtext_append_bold(&fm, "Styles:\n");
87  owl_global_get_style_names(&g, &l);
88  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
89  owl_fmtext_append_normal(&fm, "\n");
90  owl_function_popless_fmtext(&fm);
91  owl_list_cleanup(&l, owl_free);
92  owl_fmtext_cleanup(&fm);
93}
94
95char *owl_function_style_describe(const char *name) {
96  const char *desc;
97  char *s;
98  const owl_style *style;
99  style = owl_global_get_style_by_name(&g, name);
100  if (style) {
101    desc = owl_style_get_description(style);
102  } else {
103    desc = "???";
104  }
105  s = owl_sprintf("%-20s - %s%s", name, 
106                  0==owl_style_validate(style)?"":"[INVALID] ",
107                  desc);
108  return s;
109}
110
111char *owl_function_cmd_describe(const char *name)
112{
113  const owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
114  if (cmd) return owl_cmd_describe(cmd);
115  else return(NULL);
116}
117
118void owl_function_show_command(const char *name)
119{
120  owl_function_help_for_command(name);
121}
122
123void owl_function_show_license(void)
124{
125  const char *text;
126
127  text=""
128    "barnowl version " OWL_VERSION_STRING "\n"
129    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
130    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
131    "\n"
132    "Redistribution and use in source and binary forms, with or without\n"
133    "modification, are permitted provided that the following conditions are\n"
134    "met:\n"
135    "\n"
136    "   * Redistributions of source code must retain the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer.\n"
138    "\n"
139    "   * Redistributions in binary form must reproduce the above copyright\n"
140    "     notice, this list of conditions and the following disclaimer in\n"
141    "     the documentation and/or other materials provided with the\n"
142    "     distribution.\n"
143    "\n"
144    "   * Redistributions in any form must be accompanied by information on\n"
145    "     how to obtain complete source code for the Owl software and any\n"
146    "     accompanying software that uses the Owl software. The source code\n"
147    "     must either be included in the distribution or be available for no\n"
148    "     more than the cost of distribution plus a nominal fee, and must be\n"
149    "     freely redistributable under reasonable conditions. For an\n"
150    "     executable file, complete source code means the source code for\n"
151    "     all modules it contains. It does not include source code for\n"
152    "     modules or files that typically accompany the major components of\n"
153    "     the operating system on which the executable file runs.\n"
154    "\n"
155    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
156    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
157    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
158    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
159    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
160    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
161    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
162    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
163    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
164    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
165    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
166  owl_function_popless_text(text);
167}
168
169void owl_function_show_quickstart(void)
170{
171    const char *message =
172    "Move between messages with the arrow keys, and press 'r' to reply.\n"
173    "For more info, press 'h' or visit http://barnowl.mit.edu/\n\n"
174#ifdef HAVE_LIBZEPHYR
175    "@b(Zephyr:)\n"
176    "To send a message to a user, type ':zwrite @b(username)'. You can also\n"
177    "press 'z' and then type the username. To subscribe to a class, type\n"
178    "':sub @b(class)', and then type ':zwrite -c @b(class)' to send.\n\n"
179#endif
180    "@b(AIM:)\n"
181    "Log in to AIM with ':aimlogin @b(screenname)'. Use ':aimwrite @b(screenname)',\n"
182    "or 'a' and then the screen name, to send someone a message.\n\n"
183    ;
184
185    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_quickstart")) {
186        char *perlquickstart = owl_perlconfig_execute("BarnOwl::Hooks::_get_quickstart()");
187        if (perlquickstart) {
188            char *result = owl_sprintf("%s%s", message, perlquickstart);
189            owl_function_adminmsg("BarnOwl Quickstart", result);
190            owl_free(result);
191            owl_free(perlquickstart);
192            return;
193        }
194    }
195    owl_function_adminmsg("BarnOwl Quickstart", message);
196}
197
198
199/* Create an admin message, append it to the global list of messages
200 * and redisplay if necessary.
201 */
202void owl_function_adminmsg(const char *header, const char *body)
203{
204  owl_message *m;
205
206  m=owl_malloc(sizeof(owl_message));
207  owl_message_create_admin(m, header, body);
208 
209  /* add it to the global list and current view */
210  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
211  owl_view_consider_message(owl_global_get_current_view(&g), m);
212
213  /* do followlast if necessary */
214  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
215
216  /* redisplay etc. */
217  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
218}
219
220/* Create an outgoing zephyr message and return a pointer to it.  Does
221 * not put it on the global queue, use owl_global_messagequeue_addmsg() for
222 * that.
223 */
224owl_message *owl_function_make_outgoing_zephyr(const char *body, const char *zwriteline, const char *zsig)
225{
226  owl_message *m;
227  owl_zwrite zw;
228
229  owl_zwrite_create_from_line(&zw, zwriteline);
230  owl_zwrite_set_zsig(&zw, zsig);
231
232  /* create the message */
233  m=owl_malloc(sizeof(owl_message));
234 
235  owl_message_create_from_zwrite(m, &zw, body);
236  owl_zwrite_cleanup(&zw);
237
238  return(m);
239}
240
241/* Create an outgoing AIM message, returns a pointer to the created
242 * message or NULL if we're not logged into AIM (and thus unable to
243 * create the message).  Does not put it on the global queue.  Use
244 * owl_global_messagequeue_addmsg() for that .
245 */
246owl_message *owl_function_make_outgoing_aim(const char *body, const char *to)
247{
248  owl_message *m;
249
250  /* error if we're not logged into aim */
251  if (!owl_global_is_aimloggedin(&g)) return(NULL);
252 
253  m=owl_malloc(sizeof(owl_message));
254  owl_message_create_aim(m,
255                         owl_global_get_aim_screenname(&g),
256                         to,
257                         body,
258                         OWL_MESSAGE_DIRECTION_OUT,
259                         0);
260  return(m);
261}
262
263/* Create an outgoing loopback message and return a pointer to it.
264 * Does not append it to the global queue, use
265 * owl_global_messagequeue_addmsg() for that.
266 */
267owl_message *owl_function_make_outgoing_loopback(const char *body)
268{
269  owl_message *m;
270
271  /* create the message */
272  m=owl_malloc(sizeof(owl_message));
273  owl_message_create_loopback(m, body);
274  owl_message_set_direction_out(m);
275
276  return(m);
277}
278
279void owl_function_start_edit_win(const char *line, void (*callback)(owl_editwin *), void *data, void (*cleanup)(void *))
280{
281  owl_editwin *e;
282  char *s;
283
284  /* create and setup the editwin */
285  e = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_MULTILINE,
286                                   owl_global_get_msg_history(&g));
287  owl_editwin_set_dotsend(e);
288  s = owl_sprintf("----> %s\n", line);
289  owl_editwin_set_locktext(e, s);
290  owl_free(s);
291
292  owl_editwin_set_cbdata(e, data, cleanup);
293  owl_editwin_set_callback(e, callback);
294  owl_global_push_context(&g, OWL_CTX_EDITMULTI, e, "editmulti");
295}
296
297static void owl_function_write_setup(const char *line, const char *noun, void (*callback)(owl_editwin *))
298{
299
300  if (!owl_global_get_lockout_ctrld(&g))
301    owl_function_makemsg("Type your %s below.  "
302                         "End with ^D or a dot on a line by itself."
303                         "  ^C will quit.", noun);
304  else
305    owl_function_makemsg("Type your %s below.  "
306                         "End with a dot on a line by itself.  ^C will quit.",
307                         noun);
308
309  owl_function_start_edit_win(line, callback,
310                              owl_strdup(line),
311                              owl_free);
312}
313
314void owl_function_zwrite_setup(const char *line)
315{
316  owl_zwrite z;
317  int ret;
318
319  /* check the arguments */
320  ret=owl_zwrite_create_from_line(&z, line);
321  if (ret) {
322    owl_function_error("Error in zwrite arguments");
323    owl_zwrite_cleanup(&z);
324    return;
325  }
326
327  /* send a ping if necessary */
328  if (owl_global_is_txping(&g)) {
329    owl_zwrite_send_ping(&z);
330  }
331  owl_zwrite_cleanup(&z);
332
333  owl_function_write_setup(line, "zephyr", &owl_callback_zwrite);
334}
335
336void owl_function_aimwrite_setup(const char *line)
337{
338  owl_function_write_setup(line, "message", &owl_callback_aimwrite);
339}
340
341void owl_function_loopwrite_setup(void)
342{
343  owl_function_write_setup("loopwrite", "message", owl_callback_loopwrite);
344}
345
346void owl_callback_zwrite(owl_editwin *e) {
347  char *command = owl_editwin_get_cbdata(e);
348  owl_function_zwrite(command,
349                      owl_editwin_get_text(e));
350}
351
352/* send, log and display an outgoing zephyr.  If 'msg' is NULL
353 * the message is expected to be set from the zwrite line itself
354 */
355void owl_function_zwrite(const char *line, const char *msg)
356{
357  owl_zwrite z;
358  const char *mymsg;
359  owl_message *m;
360
361  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
362    owl_function_zcrypt(line, msg);
363    return;
364  }
365
366  /* create the zwrite and send the message */
367  owl_zwrite_create_from_line(&z, line);
368  owl_zwrite_populate_zsig(&z);
369  if (msg) {
370    owl_zwrite_set_message(&z, msg);
371  }
372  owl_zwrite_send_message(&z);
373  owl_function_makemsg("Waiting for ack...");
374
375  /* If it's personal */
376  if (owl_zwrite_is_personal(&z)) {
377    /* create the outgoing message */
378    mymsg=owl_zwrite_get_message(&z);
379    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
380
381    if (m) {
382      owl_global_messagequeue_addmsg(&g, m);
383    } else {
384      owl_function_error("Could not create outgoing zephyr message");
385    }
386  }
387
388  /* free the zwrite */
389  owl_zwrite_cleanup(&z);
390}
391
392/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
393 * the message is expected to be set from the zwrite line itself
394 */
395void owl_function_zcrypt(const char *line, const char *msg)
396{
397  owl_zwrite z;
398  const char *mymsg;
399  char *cryptmsg;
400  owl_message *m;
401  const char *argv[7];
402  char *zcrypt;
403  int rv, status;
404
405  /* create the zwrite and send the message */
406  owl_zwrite_create_from_line(&z, line);
407  owl_zwrite_populate_zsig(&z);
408  if (msg) {
409    owl_zwrite_set_message(&z, msg);
410  }
411
412  mymsg=owl_zwrite_get_message(&z);
413
414  zcrypt = owl_sprintf("%s/zcrypt", owl_get_bindir());
415  argv[0] = "zcrypt";
416  argv[1] = "-E";
417  argv[2] = "-c"; argv[3] = owl_zwrite_get_class(&z);
418  argv[4] = "-i"; argv[5] = owl_zwrite_get_instance(&z);
419  argv[6] = NULL;
420
421  rv = call_filter(zcrypt, argv, mymsg, &cryptmsg, &status);
422
423  owl_free(zcrypt);
424
425  if (rv || status) {
426    if(cryptmsg) owl_free(cryptmsg);
427    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
428    owl_function_beep();
429    owl_zwrite_cleanup(&z);
430    return;
431  }
432
433  owl_zwrite_set_message(&z, cryptmsg);
434  owl_zwrite_set_opcode(&z, "crypt");
435   
436  owl_zwrite_send_message(&z);
437  owl_function_makemsg("Waiting for ack...");
438
439  /* If it's personal */
440  if (owl_zwrite_is_personal(&z)) {
441    /* create the outgoing message */
442    mymsg=owl_zwrite_get_message(&z);
443    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
444    if (m) {
445      owl_global_messagequeue_addmsg(&g, m);
446    } else {
447      owl_function_error("Could not create outgoing zephyr message");
448    }
449  }
450
451  /* free the zwrite */
452  owl_free(cryptmsg);
453  owl_zwrite_cleanup(&z);
454}
455
456void owl_callback_aimwrite(owl_editwin *e) {
457  char *command = owl_editwin_get_cbdata(e);
458  owl_function_aimwrite(command,
459                        owl_editwin_get_text(e));
460}
461
462void owl_function_aimwrite(const char *line, const char *msg)
463{
464  int ret;
465  const char *to;
466  char *format_msg;
467  owl_message *m;
468
469  to = line + 9;
470
471  /* make a formatted copy of the message */
472  format_msg=owl_strdup(msg);
473  owl_text_wordunwrap(format_msg);
474 
475  /* send the message */
476  ret=owl_aim_send_im(to, format_msg);
477  if (!ret) {
478    owl_function_makemsg("AIM message sent.");
479  } else {
480    owl_function_error("Could not send AIM message.");
481  }
482
483  /* create the outgoing message */
484  m=owl_function_make_outgoing_aim(msg, to);
485
486  if (m) {
487    owl_global_messagequeue_addmsg(&g, m);
488  } else {
489    owl_function_error("Could not create outgoing AIM message");
490  }
491
492  owl_free(format_msg);
493}
494
495void owl_function_send_aimawymsg(const char *to, const char *msg)
496{
497  int ret;
498  char *format_msg;
499  owl_message *m;
500
501  /* make a formatted copy of the message */
502  format_msg=owl_strdup(msg);
503  owl_text_wordunwrap(format_msg);
504 
505  /* send the message */
506  ret=owl_aim_send_awaymsg(to, format_msg);
507  if (!ret) {
508    /* owl_function_makemsg("AIM message sent."); */
509  } else {
510    owl_function_error("Could not send AIM message.");
511  }
512
513  /* create the message */
514  m=owl_function_make_outgoing_aim(msg, to);
515  if (m) {
516    owl_global_messagequeue_addmsg(&g, m);
517  } else {
518    owl_function_error("Could not create AIM message");
519  }
520  owl_free(format_msg);
521}
522
523void owl_callback_loopwrite(owl_editwin *e) {
524  owl_function_loopwrite(owl_editwin_get_text(e));
525}
526
527void owl_function_loopwrite(const char *msg)
528{
529  owl_message *min, *mout;
530
531  /* create a message and put it on the message queue.  This simulates
532   * an incoming message */
533  min=owl_malloc(sizeof(owl_message));
534  mout=owl_function_make_outgoing_loopback(msg);
535
536  if (owl_global_is_displayoutgoing(&g)) {
537    owl_global_messagequeue_addmsg(&g, mout);
538  } else {
539    owl_message_delete(mout);
540  }
541
542  owl_message_create_loopback(min, msg);
543  owl_message_set_direction_in(min);
544  owl_global_messagequeue_addmsg(&g, min);
545
546  /* fake a makemsg */
547  owl_function_makemsg("loopback message sent");
548}
549
550/* If filter is non-null, looks for the next message matching
551 * that filter.  If skip_deleted, skips any deleted messages.
552 * If last_if_none, will stop at the last message in the view
553 * if no matching messages are found.  */
554void owl_function_nextmsg_full(const char *filter, int skip_deleted, int last_if_none)
555{
556  int curmsg, i, viewsize, found;
557  const owl_view *v;
558  const owl_filter *f = NULL;
559  const owl_message *m;
560
561  v=owl_global_get_current_view(&g);
562
563  if (filter) {
564    f=owl_global_get_filter(&g, filter);
565    if (!f) {
566      owl_function_error("No %s filter defined", filter);
567      return;
568    }
569  }
570
571  curmsg=owl_global_get_curmsg(&g);
572  viewsize=owl_view_get_size(v);
573  found=0;
574
575  /* just check to make sure we're in bounds... */
576  if (curmsg>viewsize-1) curmsg=viewsize-1;
577  if (curmsg<0) curmsg=0;
578
579  for (i=curmsg+1; i<viewsize; i++) {
580    m=owl_view_get_element(v, i);
581    if (skip_deleted && owl_message_is_delete(m)) continue;
582    if (f && !owl_filter_message_match(f, m)) continue;
583    found = 1;
584    break;
585  }
586
587  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
588  if (i<0) i=0;
589
590  if (!found) {
591    owl_function_makemsg("already at last%s message%s%s%s",
592                         skip_deleted?" non-deleted":"",
593                         filter?" in ":"", filter?filter:"",
594                         owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g)) ?
595                         ", press Enter to scroll" : "");
596    /* if (!skip_deleted) owl_function_beep(); */
597  }
598
599  if (last_if_none || found) {
600    owl_global_set_curmsg(&g, i);
601    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
602    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
603    owl_global_set_direction_downwards(&g);
604  }
605}
606
607void owl_function_prevmsg_full(const char *filter, int skip_deleted, int first_if_none)
608{
609  int curmsg, i, found;
610  const owl_view *v;
611  const owl_filter *f = NULL;
612  const owl_message *m;
613
614  v=owl_global_get_current_view(&g);
615
616  if (filter) {
617    f=owl_global_get_filter(&g, filter);
618    if (!f) {
619      owl_function_error("No %s filter defined", filter);
620      return;
621    }
622  }
623
624  curmsg=owl_global_get_curmsg(&g);
625  found=0;
626
627  /* just check to make sure we're in bounds... */
628  if (curmsg<0) curmsg=0;
629
630  for (i=curmsg-1; i>=0; 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<0) i=0;
639
640  if (!found) {
641    owl_function_makemsg("already at first%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 (first_if_none || found) {
648    owl_global_set_curmsg(&g, i);
649    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
650    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
651    owl_global_set_direction_upwards(&g);
652  }
653}
654
655void owl_function_nextmsg(void)
656{
657  owl_function_nextmsg_full(NULL, 0, 1);
658}
659
660void owl_function_prevmsg(void)
661{
662  owl_function_prevmsg_full(NULL, 0, 1);
663}
664
665void owl_function_nextmsg_notdeleted(void)
666{
667  owl_function_nextmsg_full(NULL, 1, 1);
668}
669
670void owl_function_prevmsg_notdeleted(void)
671{
672  owl_function_prevmsg_full(NULL, 1, 1);
673}
674
675/* if move_after is 1, moves after the delete */
676void owl_function_deletecur(int move_after)
677{
678  int curmsg;
679  owl_view *v;
680
681  v=owl_global_get_current_view(&g);
682
683  /* bail if there's no current message */
684  if (owl_view_get_size(v) < 1) {
685    owl_function_error("No current message to delete");
686    return;
687  }
688
689  /* mark the message for deletion */
690  curmsg=owl_global_get_curmsg(&g);
691  owl_view_delete_element(v, curmsg);
692
693  if (move_after) {
694    /* move the poiner in the appropriate direction
695     * to the next undeleted msg */
696    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
697      owl_function_prevmsg_notdeleted();
698    } else {
699      owl_function_nextmsg_notdeleted();
700    }
701  }
702}
703
704void owl_function_undeletecur(int move_after)
705{
706  int curmsg;
707  owl_view *v;
708
709  v=owl_global_get_current_view(&g);
710 
711  if (owl_view_get_size(v) < 1) {
712    owl_function_error("No current message to undelete");
713    return;
714  }
715  curmsg=owl_global_get_curmsg(&g);
716
717  owl_view_undelete_element(v, curmsg);
718
719  if (move_after) {
720    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
721      if (curmsg>0) {
722        owl_function_prevmsg();
723      } else {
724        owl_function_nextmsg();
725      }
726    } else {
727      owl_function_nextmsg();
728    }
729  }
730
731  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
732}
733
734void owl_function_expunge(void)
735{
736  int curmsg;
737  const owl_message *m;
738  owl_messagelist *ml;
739  owl_view *v;
740  int lastmsgid=0;
741
742  curmsg=owl_global_get_curmsg(&g);
743  v=owl_global_get_current_view(&g);
744  ml=owl_global_get_msglist(&g);
745
746  m=owl_view_get_element(v, curmsg);
747  if (m) lastmsgid = owl_message_get_id(m);
748
749  /* expunge the message list */
750  owl_messagelist_expunge(ml);
751
752  /* update all views (we only have one right now) */
753  owl_view_recalculate(v);
754
755  /* find where the new position should be
756     (as close as possible to where we last where) */
757  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
758  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
759  if (curmsg<0) curmsg = 0;
760  owl_global_set_curmsg(&g, curmsg);
761  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
762  /* if there are no messages set the direction to down in case we
763     delete everything upwards */
764  owl_global_set_direction_downwards(&g);
765 
766  owl_function_makemsg("Messages expunged");
767  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
768}
769
770void owl_function_firstmsg(void)
771{
772  owl_global_set_curmsg(&g, 0);
773  owl_global_set_topmsg(&g, 0);
774  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
775  owl_global_set_direction_downwards(&g);
776}
777
778void owl_function_lastmsg_noredisplay(void)
779{
780  int oldcurmsg, curmsg;
781  const owl_view *v;
782
783  v=owl_global_get_current_view(&g);
784  oldcurmsg=owl_global_get_curmsg(&g);
785  curmsg=owl_view_get_size(v)-1; 
786  if (curmsg<0) curmsg=0;
787  owl_global_set_curmsg(&g, curmsg);
788  if (oldcurmsg < curmsg) {
789    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
790  } else if (curmsg<owl_view_get_size(v)) {
791    /* If already at the end, blank the screen and move curmsg
792     * past the end of the messages. */
793    owl_global_set_topmsg(&g, curmsg+1);
794    owl_global_set_curmsg(&g, curmsg+1);
795  } 
796  /* owl_mainwin_redisplay(owl_global_get_mainwin(&g)); */
797  owl_global_set_direction_downwards(&g);
798}
799
800void owl_function_lastmsg(void)
801{
802  owl_function_lastmsg_noredisplay();
803  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
804}
805
806void owl_function_shift_right(void)
807{
808  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
809  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
810}
811
812void owl_function_shift_left(void)
813{
814  int shift;
815
816  shift=owl_global_get_rightshift(&g);
817  if (shift > 0) {
818    owl_global_set_rightshift(&g, MAX(shift - 10, 0));
819    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
820  } else {
821    owl_function_beep();
822    owl_function_makemsg("Already full left");
823  }
824}
825
826void owl_function_unsuball(void)
827{
828  unsuball();
829  owl_function_makemsg("Unsubscribed from all messages.");
830}
831
832
833/* Load zephyr subscriptions from the named 'file' and load zephyr's
834 * default subscriptions as well.  An error message is printed if
835 * 'file' can't be opened or if zephyr reports an error in
836 * subscribing.
837 *
838 * If 'file' is NULL, this look for the default filename
839 * $HOME/.zephyr.subs.  If the file can not be opened in this case
840 * only, no error message is printed.
841 */
842void owl_function_loadsubs(const char *file)
843{
844  int ret, ret2;
845  const char *foo;
846  char *path;
847
848  if (file==NULL) {
849    ret=owl_zephyr_loadsubs(NULL, 0);
850  } else {
851    path = owl_util_makepath(file);
852    ret=owl_zephyr_loadsubs(path, 1);
853    owl_free(path);
854  }
855
856  /* for backwards compatibility for now */
857  ret2=owl_zephyr_loaddefaultsubs();
858
859  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
860
861  foo=file?file:"file";
862  if (ret==0 && ret2==0) {
863    if (!file) {
864      owl_function_makemsg("Subscribed to messages.");
865    } else {
866      owl_function_makemsg("Subscribed to messages from %s", file);
867    }
868  } else if (ret==-1) {
869    owl_function_error("Could not read %s", foo);
870  } else {
871    owl_function_error("Error subscribing to messages");
872  }
873}
874
875void owl_function_loadloginsubs(const char *file)
876{
877  int ret;
878
879  ret=owl_zephyr_loadloginsubs(file);
880
881  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
882  if (ret==0) {
883  } else if (ret==-1) {
884    owl_function_error("Could not open file for login subscriptions.");
885  } else {
886    owl_function_error("Error subscribing to login messages from file.");
887  }
888}
889
890void owl_callback_aimlogin(owl_editwin *e) {
891  char *user = owl_editwin_get_cbdata(e);
892  owl_function_aimlogin(user,
893                        owl_editwin_get_text(e));
894}
895
896void owl_function_aimlogin(const char *user, const char *passwd) {
897  int ret;
898
899  /* clear the buddylist */
900  owl_buddylist_clear(owl_global_get_buddylist(&g));
901
902  /* try to login */
903  ret=owl_aim_login(user, passwd);
904  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
905}
906
907void owl_function_suspend(void)
908{
909  endwin();
910  printf("\n");
911  kill(getpid(), SIGSTOP);
912
913  /* resize to reinitialize all the windows when we come back */
914  owl_command_resize();
915}
916
917void owl_function_zaway_toggle(void)
918{
919  if (!owl_global_is_zaway(&g)) {
920    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
921    owl_function_zaway_on();
922  } else {
923    owl_function_zaway_off();
924  }
925}
926
927void owl_function_zaway_on(void)
928{
929  owl_global_set_zaway_on(&g);
930  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
931}
932
933void owl_function_zaway_off(void)
934{
935  owl_global_set_zaway_off(&g);
936  owl_function_makemsg("zaway off");
937}
938
939void owl_function_aaway_toggle(void)
940{
941  if (!owl_global_is_aaway(&g)) {
942    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
943    owl_function_aaway_on();
944  } else {
945    owl_function_aaway_off();
946  }
947}
948
949void owl_function_aaway_on(void)
950{
951  owl_global_set_aaway_on(&g);
952  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
953  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
954}
955
956void owl_function_aaway_off(void)
957{
958  owl_global_set_aaway_off(&g);
959  /* owl_aim_set_awaymsg(""); */
960  owl_function_makemsg("AIM away off");
961}
962
963void owl_function_quit(void)
964{
965  char *ret;
966 
967  /* zlog out if we need to */
968  if (owl_global_is_havezephyr(&g) &&
969      owl_global_is_shutdownlogout(&g)) {
970    owl_zephyr_zlog_out();
971  }
972
973  /* execute the commands in shutdown */
974  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
975  if (ret) owl_free(ret);
976
977  /* signal our child process, if any */
978  if (owl_global_get_newmsgproc_pid(&g)) {
979    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
980  }
981
982  /* Quit zephyr */
983  owl_zephyr_shutdown();
984 
985  /* Quit AIM */
986  if (owl_global_is_aimloggedin(&g)) {
987    owl_aim_logout();
988  }
989
990  /* done with curses */
991  endwin();
992
993  /* restore terminal settings */
994  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
995
996  owl_function_debugmsg("Quitting Owl");
997  exit(0);
998}
999
1000void owl_function_calculate_topmsg(int direction)
1001{
1002  int recwinlines, topmsg, curmsg;
1003  const owl_view *v;
1004
1005  v=owl_global_get_current_view(&g);
1006  curmsg=owl_global_get_curmsg(&g);
1007  topmsg=owl_global_get_topmsg(&g);
1008  recwinlines=owl_global_get_recwin_lines(&g);
1009
1010  /*
1011  if (owl_view_get_size(v) < 1) {
1012    return;
1013  }
1014  */
1015
1016  switch (owl_global_get_scrollmode(&g)) {
1017  case OWL_SCROLLMODE_TOP:
1018    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1019    break;
1020  case OWL_SCROLLMODE_NEARTOP:
1021    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1022    break;
1023  case OWL_SCROLLMODE_CENTER:
1024    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1025    break;
1026  case OWL_SCROLLMODE_PAGED:
1027    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1028    break;
1029  case OWL_SCROLLMODE_PAGEDCENTER:
1030    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1031    break;
1032  case OWL_SCROLLMODE_NORMAL:
1033  default:
1034    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1035  }
1036  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1037  owl_global_set_topmsg(&g, topmsg);
1038}
1039
1040/* Returns what the new topmsg should be. 
1041 * Passed the last direction of movement,
1042 * the current view,
1043 * the current message number in the view,
1044 * the top message currently being displayed,
1045 * and the number of lines in the recwin.
1046 */
1047int owl_function_calculate_topmsg_top(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1048{
1049  return(curmsg);
1050}
1051
1052int owl_function_calculate_topmsg_neartop(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1053{
1054  if (curmsg>0 
1055      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1056          <  recwinlines/2)) {
1057    return(curmsg-1);
1058  } else {
1059    return(curmsg);
1060  }
1061}
1062 
1063int owl_function_calculate_topmsg_center(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1064{
1065  int i, last, lines;
1066
1067  last = curmsg;
1068  lines = 0;
1069  for (i=curmsg-1; i>=0; i--) {
1070    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1071    if (lines > recwinlines/2) break;
1072    last = i;
1073  }
1074  return(last);
1075}
1076 
1077int owl_function_calculate_topmsg_paged(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1078{
1079  int i, last, lines, savey;
1080 
1081  /* If we're off the top of the screen, scroll up such that the
1082   * curmsg is near the botton of the screen. */
1083  if (curmsg < topmsg) {
1084    last = curmsg;
1085    lines = 0;
1086    for (i=curmsg; i>=0; i--) {
1087      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1088      if (lines > recwinlines) break;
1089    last = i;
1090    }
1091    if (center_on_page) {
1092      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1093    } else {
1094      return(last);
1095    }
1096  }
1097
1098  /* Find number of lines from top to bottom of curmsg (store in savey) */
1099  savey=0;
1100  for (i=topmsg; i<=curmsg; i++) {
1101    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1102  }
1103
1104  /* if we're off the bottom of the screen, scroll down */
1105  if (savey > recwinlines) {
1106    if (center_on_page) {
1107      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1108    } else {
1109      return(curmsg);
1110    }
1111  }
1112
1113  /* else just stay as we are... */
1114  return(topmsg);
1115}
1116
1117int owl_function_calculate_topmsg_normal(int direction, const owl_view *v, int curmsg, int topmsg, int recwinlines)
1118{
1119  int savey, i, foo, y;
1120
1121  if (curmsg<0) return(topmsg);
1122   
1123  /* If we're off the top of the screen then center */
1124  if (curmsg<topmsg) {
1125    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1126  }
1127
1128  /* If curmsg is so far past topmsg that there are more messages than
1129     lines, skip the line counting that follows because we're
1130     certainly off screen.  */
1131  savey=curmsg-topmsg;
1132  if (savey <= recwinlines) {
1133    /* Find number of lines from top to bottom of curmsg (store in savey) */
1134    savey = 0;
1135    for (i=topmsg; i<=curmsg; i++) {
1136      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1137    }
1138  }
1139
1140  /* If we're off the bottom of the screen, set the topmsg to curmsg
1141   * and scroll upwards */
1142  if (savey > recwinlines) {
1143    topmsg=curmsg;
1144    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1145    direction=OWL_DIRECTION_UPWARDS;
1146  }
1147 
1148  /* If our bottom line is less than 1/4 down the screen then scroll up */
1149  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1150    if (savey < (recwinlines / 4)) {
1151      y=0;
1152      for (i=curmsg; i>=0; i--) {
1153        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1154        /* will we run the curmsg off the screen? */
1155        if ((foo+y) >= recwinlines) {
1156          i++;
1157          if (i>curmsg) i=curmsg;
1158          break;
1159        }
1160        /* have saved 1/2 the screen space? */
1161        y+=foo;
1162        if (y > (recwinlines / 2)) break;
1163      }
1164      if (i<0) i=0;
1165      return(i);
1166    }
1167  }
1168
1169  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1170    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1171    if (savey > ((recwinlines * 3)/4)) {
1172      y=0;
1173      /* count lines from the top until we can save 1/2 the screen size */
1174      for (i=topmsg; i<curmsg; i++) {
1175        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1176        if (y > (recwinlines / 2)) break;
1177      }
1178      if (i==curmsg) {
1179        i--;
1180      }
1181      return(i+1);
1182    }
1183  }
1184
1185  return(topmsg);
1186}
1187
1188void owl_function_resize(void)
1189{
1190  owl_global_set_resize_pending(&g);
1191}
1192
1193void owl_function_debugmsg(const char *fmt, ...)
1194{
1195  FILE *file;
1196  time_t now;
1197  va_list ap;
1198  va_start(ap, fmt);
1199
1200  if (!owl_global_is_debug_fast(&g))
1201    return;
1202
1203  file = fopen(owl_global_get_debug_file(&g), "a");
1204  if (!file) /* XXX should report this */
1205    return;
1206
1207  now = time(NULL);
1208
1209  fprintf(file, "[%d -  %.24s - %lds]: ",
1210          (int) getpid(), ctime(&now), now - owl_global_get_starttime(&g));
1211  vfprintf(file, fmt, ap);
1212  putc('\n', file);
1213  fclose(file);
1214
1215  va_end(ap);
1216}
1217
1218void owl_function_beep(void)
1219{
1220  if (owl_global_is_bell(&g)) {
1221    beep();
1222  }
1223}
1224
1225int owl_function_subscribe(const char *class, const char *inst, const char *recip)
1226{
1227  int ret;
1228
1229  ret=owl_zephyr_sub(class, inst, recip);
1230  if (ret) {
1231    owl_function_error("Error subscribing.");
1232  } else {
1233    owl_function_makemsg("Subscribed.");
1234  }
1235  return(ret);
1236}
1237
1238void owl_function_unsubscribe(const char *class, const char *inst, const char *recip)
1239{
1240  int ret;
1241
1242  ret=owl_zephyr_unsub(class, inst, recip);
1243  if (ret) {
1244    owl_function_error("Error subscribing.");
1245  } else {
1246    owl_function_makemsg("Unsubscribed.");
1247  }
1248}
1249
1250void owl_function_full_redisplay(void)
1251{
1252  /* FIXME: this maybe should do something; dirty every window? */
1253}
1254
1255void owl_function_popless_text(const char *text)
1256{
1257  owl_popwin *pw;
1258  owl_viewwin *v;
1259
1260  pw=owl_global_get_popwin(&g);
1261  v=owl_global_get_viewwin(&g);
1262
1263  owl_popwin_up(pw);
1264  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1265  owl_viewwin_init_text(v, owl_popwin_get_content(pw), text);
1266}
1267
1268void owl_function_popless_fmtext(const owl_fmtext *fm)
1269{
1270  owl_popwin *pw;
1271  owl_viewwin *v;
1272
1273  pw=owl_global_get_popwin(&g);
1274  v=owl_global_get_viewwin(&g);
1275
1276  owl_popwin_up(pw);
1277  owl_global_push_context(&g, OWL_CTX_POPLESS, v, "popless");
1278  owl_viewwin_init_fmtext(v, owl_popwin_get_content(pw), fm);
1279}
1280
1281void owl_function_popless_file(const char *filename)
1282{
1283  owl_fmtext fm;
1284  FILE *file;
1285  char *s = NULL;
1286
1287  file=fopen(filename, "r");
1288  if (!file) {
1289    owl_function_error("Could not open file: %s", filename);
1290    return;
1291  }
1292
1293  owl_fmtext_init_null(&fm);
1294  while (owl_getline(&s, file))
1295    owl_fmtext_append_normal(&fm, s);
1296  owl_free(s);
1297
1298  owl_function_popless_fmtext(&fm);
1299  owl_fmtext_cleanup(&fm);
1300  fclose(file);
1301}
1302
1303void owl_function_about(void)
1304{
1305  owl_function_popless_text(
1306    "This is barnowl version " OWL_VERSION_STRING ".\n\n"
1307    "barnowl is a fork of the Owl zephyr client, written and\n"
1308    "maintained by Alejandro Sedeno and Nelson Elhage at the\n"
1309    "Massachusetts Institute of Technology. \n"
1310    "\n"
1311    "Owl was written by James Kretchmar. The first version, 0.5, was\n"
1312    "released in March 2002.\n"
1313    "\n"
1314    "The name 'owl' was chosen in reference to the owls in the\n"
1315    "Harry Potter novels, who are tasked with carrying messages\n"
1316    "between Witches and Wizards. The name 'barnowl' was chosen\n"
1317    "because we feel our owls should live closer to our ponies.\n"
1318    "\n"
1319    "Copyright (c) 2006-2010 The BarnOwl Developers. All rights reserved.\n"
1320    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
1321    "Copyright 2002 Massachusetts Institute of Technology\n"
1322    "\n"
1323    "This program is free software. You can redistribute it and/or\n"
1324    "modify under the terms of the Sleepycat License. Use the \n"
1325    "':show license' command to display the full license\n"
1326  );
1327}
1328
1329void owl_function_info(void)
1330{
1331  const owl_message *m;
1332  owl_fmtext fm, attrfm;
1333  const owl_view *v;
1334#ifdef HAVE_LIBZEPHYR
1335  const ZNotice_t *n;
1336#endif
1337
1338  owl_fmtext_init_null(&fm);
1339 
1340  v=owl_global_get_current_view(&g);
1341  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1342  if (!m || owl_view_get_size(v)==0) {
1343    owl_function_error("No message selected\n");
1344    return;
1345  }
1346
1347  owl_fmtext_append_bold(&fm, "General Information:\n");
1348  owl_fmtext_appendf_normal(&fm, "  Msg Id    : %i\n", owl_message_get_id(m));
1349
1350  owl_fmtext_append_normal(&fm, "  Type      : ");
1351  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1352  owl_fmtext_append_normal(&fm, "\n");
1353
1354  if (owl_message_is_direction_in(m)) {
1355    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1356  } else if (owl_message_is_direction_out(m)) {
1357    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1358  } else if (owl_message_is_direction_none(m)) {
1359    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1360  } else {
1361    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1362  }
1363
1364  owl_fmtext_appendf_normal(&fm, "  Time      : %s\n", owl_message_get_timestr(m));
1365
1366  if (!owl_message_is_type_admin(m)) {
1367    owl_fmtext_appendf_normal(&fm, "  Sender    : %s\n", owl_message_get_sender(m));
1368    owl_fmtext_appendf_normal(&fm, "  Recipient : %s\n", owl_message_get_recipient(m));
1369  }
1370
1371  if (owl_message_is_type_zephyr(m)) {
1372    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1373   
1374    owl_fmtext_appendf_normal(&fm, "  Class     : %s\n", owl_message_get_class(m));
1375    owl_fmtext_appendf_normal(&fm, "  Instance  : %s\n", owl_message_get_instance(m));
1376    owl_fmtext_appendf_normal(&fm, "  Opcode    : %s\n", owl_message_get_opcode(m));
1377#ifdef HAVE_LIBZEPHYR
1378    if (owl_message_is_direction_in(m)) {
1379      char *ptr, tmpbuff[1024];
1380      int i, j, fields, len;
1381
1382      n=owl_message_get_notice(m);
1383
1384      if (!owl_message_is_pseudo(m)) {
1385        owl_fmtext_append_normal(&fm, "  Kind      : ");
1386        if (n->z_kind==UNSAFE) {
1387          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1388        } else if (n->z_kind==UNACKED) {
1389          owl_fmtext_append_normal(&fm, "UNACKED\n");
1390        } else if (n->z_kind==ACKED) {
1391          owl_fmtext_append_normal(&fm, "ACKED\n");
1392        } else if (n->z_kind==HMACK) {
1393          owl_fmtext_append_normal(&fm, "HMACK\n");
1394        } else if (n->z_kind==HMCTL) {
1395          owl_fmtext_append_normal(&fm, "HMCTL\n");
1396        } else if (n->z_kind==SERVACK) {
1397          owl_fmtext_append_normal(&fm, "SERVACK\n");
1398        } else if (n->z_kind==SERVNAK) {
1399          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1400        } else if (n->z_kind==CLIENTACK) {
1401          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1402        } else if (n->z_kind==STAT) {
1403          owl_fmtext_append_normal(&fm, "STAT\n");
1404        } else {
1405          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1406        }
1407      }
1408      owl_fmtext_appendf_normal(&fm, "  Host      : %s\n", owl_message_get_hostname(m));
1409
1410      if (!owl_message_is_pseudo(m)) {
1411        owl_fmtext_append_normal(&fm, "\n");
1412        owl_fmtext_appendf_normal(&fm, "  Port      : %i\n", ntohs(n->z_port));
1413        owl_fmtext_appendf_normal(&fm, "  Auth      : %s\n", owl_zephyr_get_authstr(n));
1414
1415        /* FIXME make these more descriptive */
1416        owl_fmtext_appendf_normal(&fm, "  Checkd Ath: %i\n", n->z_checked_auth);
1417        owl_fmtext_appendf_normal(&fm, "  Multi notc: %s\n", n->z_multinotice);
1418        owl_fmtext_appendf_normal(&fm, "  Num other : %i\n", n->z_num_other_fields);
1419        owl_fmtext_appendf_normal(&fm, "  Msg Len   : %i\n", n->z_message_len);
1420
1421        fields=owl_zephyr_get_num_fields(n);
1422        owl_fmtext_appendf_normal(&fm, "  Fields    : %i\n", fields);
1423
1424        for (i=0; i<fields; i++) {
1425          ptr=owl_zephyr_get_field_as_utf8(n, i+1);
1426          len=strlen(ptr);
1427          if (len<30) {
1428            strncpy(tmpbuff, ptr, len);
1429            tmpbuff[len]='\0';
1430          } else {
1431            strncpy(tmpbuff, ptr, 30);
1432            tmpbuff[30]='\0';
1433            strcat(tmpbuff, "...");
1434          }
1435          owl_free(ptr);
1436
1437          for (j=0; j<strlen(tmpbuff); j++) {
1438            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1439            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1440          }
1441
1442          owl_fmtext_appendf_normal(&fm, "  Field %i   : %s\n", i+1, tmpbuff);
1443        }
1444        owl_fmtext_appendf_normal(&fm, "  Default Fm: %s\n", n->z_default_format);
1445      }
1446
1447    }
1448#endif
1449  }
1450
1451  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1452  owl_message_attributes_tofmtext(m, &attrfm);
1453  owl_fmtext_append_fmtext(&fm, &attrfm);
1454 
1455  owl_function_popless_fmtext(&fm);
1456  owl_fmtext_cleanup(&fm);
1457  owl_fmtext_cleanup(&attrfm);
1458}
1459
1460/* print the current message in a popup window.
1461 * Use the 'default' style regardless of whatever
1462 * style the user may be using
1463 */
1464void owl_function_curmsg_to_popwin(void)
1465{
1466  const owl_view *v;
1467  const owl_message *m;
1468  const owl_style *s;
1469  owl_fmtext fm;
1470
1471  v=owl_global_get_current_view(&g);
1472  s=owl_global_get_style_by_name(&g, "default");
1473
1474  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1475
1476  if (!m || owl_view_get_size(v)==0) {
1477    owl_function_error("No current message");
1478    return;
1479  }
1480
1481  owl_fmtext_init_null(&fm);
1482  owl_style_get_formattext(s, &fm, m);
1483
1484  owl_function_popless_fmtext(&fm);
1485  owl_fmtext_cleanup(&fm);
1486}
1487
1488void owl_function_page_curmsg(int step)
1489{
1490  /* scroll down or up within the current message IF the message is truncated */
1491
1492  int offset, curmsg, lines;
1493  const owl_view *v;
1494  owl_message *m;
1495
1496  offset=owl_global_get_curmsg_vert_offset(&g);
1497  v=owl_global_get_current_view(&g);
1498  curmsg=owl_global_get_curmsg(&g);
1499  m=owl_view_get_element(v, curmsg);
1500  if (!m || owl_view_get_size(v)==0) return;
1501  lines=owl_message_get_numlines(m);
1502
1503  if (offset==0) {
1504    /* Bail if the curmsg isn't the last one displayed */
1505    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1506      owl_function_makemsg("The entire message is already displayed");
1507      return;
1508    }
1509   
1510    /* Bail if we're not truncated */
1511    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1512      owl_function_makemsg("The entire message is already displayed");
1513      return;
1514    }
1515  }
1516 
1517 
1518  /* don't scroll past the last line */
1519  if (step>0) {
1520    if (offset+step > lines-1) {
1521      owl_global_set_curmsg_vert_offset(&g, lines-1);
1522    } else {
1523      owl_global_set_curmsg_vert_offset(&g, offset+step);
1524    }
1525  }
1526
1527  /* would we be before the beginning of the message? */
1528  if (step<0) {
1529    if (offset+step<0) {
1530      owl_global_set_curmsg_vert_offset(&g, 0);
1531    } else {
1532      owl_global_set_curmsg_vert_offset(&g, offset+step);
1533    }
1534  }
1535 
1536  /* redisplay */
1537  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1538}
1539
1540void owl_function_resize_typwin(int newsize)
1541{
1542  owl_global_set_typwin_lines(&g, newsize);
1543  owl_mainpanel_layout_contents(&g.mainpanel);
1544}
1545
1546void owl_function_mainwin_pagedown(void)
1547{
1548  int i;
1549
1550  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1551  if (i<0) return;
1552  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1553      && (owl_global_get_curmsg(&g) < i)
1554      && (i>0)) {
1555    i--;
1556  }
1557  owl_global_set_curmsg(&g, i);
1558  owl_function_nextmsg();
1559}
1560
1561void owl_function_mainwin_pageup(void)
1562{
1563  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1564  owl_function_prevmsg();
1565}
1566
1567void owl_function_getsubs(void)
1568{
1569  char *buff;
1570
1571  buff=owl_zephyr_getsubs();
1572
1573  if (buff) {
1574    owl_function_popless_text(buff);
1575  } else {
1576    owl_function_popless_text("Error getting subscriptions");
1577  }
1578           
1579  owl_free(buff);
1580}
1581
1582void owl_function_printallvars(void)
1583{
1584  const char *name;
1585  char var[LINE];
1586  owl_list varnames;
1587  int i, numvarnames;
1588  GString *str   = g_string_new("");
1589
1590  g_string_append_printf(str, "%-20s = %s\n", "VARIABLE", "VALUE");
1591  g_string_append_printf(str, "%-20s   %s\n",  "--------", "-----");
1592  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1593  numvarnames = owl_list_get_size(&varnames);
1594  for (i=0; i<numvarnames; i++) {
1595    name = owl_list_get_element(&varnames, i);
1596    if (name && name[0]!='_') {
1597      g_string_append_printf(str, "\n%-20s = ", name);
1598      owl_variable_get_tostring(owl_global_get_vardict(&g), name, var, LINE);
1599      g_string_append(str, var);
1600    }
1601  }
1602  g_string_append(str, "\n");
1603  owl_variable_dict_namelist_cleanup(&varnames);
1604
1605  owl_function_popless_text(str->str);
1606  g_string_free(str, TRUE);
1607}
1608
1609void owl_function_show_variables(void)
1610{
1611  owl_list varnames;
1612  owl_fmtext fm; 
1613  int i, numvarnames;
1614  const char *varname;
1615
1616  owl_fmtext_init_null(&fm);
1617  owl_fmtext_append_bold(&fm, 
1618      "Variables: (use 'show variable <name>' for details)\n");
1619  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1620  numvarnames = owl_list_get_size(&varnames);
1621  for (i=0; i<numvarnames; i++) {
1622    varname = owl_list_get_element(&varnames, i);
1623    if (varname && varname[0]!='_') {
1624      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1625    }
1626  }
1627  owl_variable_dict_namelist_cleanup(&varnames);
1628  owl_function_popless_fmtext(&fm);
1629  owl_fmtext_cleanup(&fm);
1630}
1631
1632void owl_function_show_variable(const char *name)
1633{
1634  owl_fmtext fm; 
1635
1636  owl_fmtext_init_null(&fm);
1637  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1638  owl_function_popless_fmtext(&fm);
1639  owl_fmtext_cleanup(&fm);
1640}
1641
1642/* note: this applies to global message list, not to view.
1643 * If flag is 1, deletes.  If flag is 0, undeletes. */
1644void owl_function_delete_by_id(int id, int flag)
1645{
1646  const owl_messagelist *ml;
1647  owl_message *m;
1648  ml = owl_global_get_msglist(&g);
1649  m = owl_messagelist_get_by_id(ml, id);
1650  if (m) {
1651    if (flag == 1) {
1652      owl_message_mark_delete(m);
1653    } else if (flag == 0) {
1654      owl_message_unmark_delete(m);
1655    }
1656    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1657  } else {
1658    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1659  }
1660}
1661
1662void owl_function_delete_automsgs(void)
1663{
1664  /* mark for deletion all messages in the current view that match the
1665   * 'trash' filter */
1666
1667  int i, j, count;
1668  owl_message *m;
1669  const owl_view *v;
1670  const owl_filter *f;
1671
1672  /* get the trash filter */
1673  f=owl_global_get_filter(&g, "trash");
1674  if (!f) {
1675    owl_function_error("No trash filter defined");
1676    return;
1677  }
1678
1679  v=owl_global_get_current_view(&g);
1680
1681  count=0;
1682  j=owl_view_get_size(v);
1683  for (i=0; i<j; i++) {
1684    m=owl_view_get_element(v, i);
1685    if (owl_filter_message_match(f, m)) {
1686      count++;
1687      owl_message_mark_delete(m);
1688    }
1689  }
1690  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1691  owl_function_makemsg("%i messages marked for deletion", count);
1692}
1693
1694void owl_function_status(void)
1695{
1696  char buff[MAXPATHLEN+1];
1697  time_t start;
1698  int up, days, hours, minutes;
1699  owl_fmtext fm;
1700
1701  owl_fmtext_init_null(&fm);
1702
1703  start=owl_global_get_starttime(&g);
1704
1705  owl_fmtext_append_normal(&fm, "General Information:\n");
1706
1707  owl_fmtext_append_normal(&fm, "  Version: ");
1708  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1709  owl_fmtext_append_normal(&fm, "\n");
1710
1711  owl_fmtext_append_normal(&fm, "  Startup Arguments: ");
1712  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1713  owl_fmtext_append_normal(&fm, "\n");
1714
1715  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1716  if(getcwd(buff, MAXPATHLEN) == NULL) {
1717    owl_fmtext_append_normal(&fm, "<Error in getcwd>");
1718  } else {
1719    owl_fmtext_append_normal(&fm, buff);
1720  }
1721  owl_fmtext_append_normal(&fm, "\n");
1722
1723  owl_fmtext_appendf_normal(&fm, "  Startup Time: %s", ctime(&start));
1724
1725  up=owl_global_get_runtime(&g);
1726  days=up/86400;
1727  up-=days*86400;
1728  hours=up/3600;
1729  up-=hours*3600;
1730  minutes=up/60;
1731  up-=minutes*60;
1732  owl_fmtext_appendf_normal(&fm, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1733
1734  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1735  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1736  if (owl_global_is_havezephyr(&g)) {
1737    owl_fmtext_append_normal(&fm, "yes\n");
1738  } else {
1739    owl_fmtext_append_normal(&fm, "no\n");
1740  }
1741  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1742  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1743
1744
1745  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1746  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1747#if OWL_STDERR_REDIR
1748  owl_fmtext_append_normal(&fm, "yes\n");
1749#else
1750  owl_fmtext_append_normal(&fm, "no\n");
1751#endif
1752 
1753
1754  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1755  owl_fmtext_append_normal(&fm, "  Logged in: ");
1756  if (owl_global_is_aimloggedin(&g)) {
1757    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1758    owl_fmtext_append_normal(&fm, "\n");
1759  } else {
1760    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1761  }
1762
1763  owl_fmtext_append_normal(&fm, "  Processing events: ");
1764  if (owl_global_is_doaimevents(&g)) {
1765    owl_fmtext_append_normal(&fm, "yes\n");
1766  } else {
1767    owl_fmtext_append_normal(&fm, "no\n");
1768  }
1769
1770  owl_function_popless_fmtext(&fm);
1771  owl_fmtext_cleanup(&fm);
1772}
1773
1774void owl_function_show_term(void)
1775{
1776  owl_fmtext fm;
1777
1778  owl_fmtext_init_null(&fm);
1779  owl_fmtext_appendf_normal(&fm, "Terminal Lines: %i\nTerminal Columns: %i\n",
1780          owl_global_get_lines(&g),
1781          owl_global_get_cols(&g));
1782
1783  if (owl_global_get_hascolors(&g)) {
1784    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1785    owl_fmtext_appendf_normal(&fm, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1786    owl_fmtext_appendf_normal(&fm, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1787  } else {
1788    owl_fmtext_append_normal(&fm, "Color: No\n");
1789  }
1790
1791  owl_function_popless_fmtext(&fm);
1792  owl_fmtext_cleanup(&fm);
1793}
1794
1795/* if type = 0 then normal reply.
1796 * if type = 1 then it's a reply to sender
1797 * if enter = 0 then allow the command to be edited
1798 * if enter = 1 then don't wait for editing
1799 */
1800void owl_function_reply(int type, int enter)
1801{
1802  char *buff=NULL;
1803  const owl_message *m;
1804  const owl_filter *f;
1805 
1806  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1807    owl_function_error("No message selected");
1808  } else {
1809    char *cmd;
1810   
1811    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1812    if (!m) {
1813      owl_function_error("No message selected");
1814      return;
1815    }
1816
1817    /* first check if we catch the reply-lockout filter */
1818    f=owl_global_get_filter(&g, "reply-lockout");
1819    if (f) {
1820      if (owl_filter_message_match(f, m)) {
1821        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
1822        return;
1823      }
1824    }
1825
1826    /* then check if it's a question and just bring up the command prompt */
1827    if (owl_message_is_question(m)) {
1828      owl_function_start_command("");
1829      return;
1830    }
1831
1832    if((type == 0 &&
1833        (cmd=owl_perlconfig_message_call_method(m, "replycmd", 0, NULL))) ||
1834       (type == 1 &&
1835        (cmd=owl_perlconfig_message_call_method(m, "replysendercmd", 0, NULL)))) {
1836      buff = cmd;
1837    }
1838
1839    if(!buff) {
1840        owl_function_error("I don't know how to reply to that message.");
1841        return;
1842    }
1843
1844    if (enter) {
1845      owl_history *hist = owl_global_get_cmd_history(&g);
1846      owl_history_store(hist, buff);
1847      owl_history_reset(hist);
1848      owl_function_command_norv(buff);
1849    } else {
1850      owl_function_start_command(buff);
1851    }
1852    owl_free(buff);
1853  }
1854}
1855
1856void owl_function_zlocate(int argc, const char *const *argv, int auth)
1857{
1858  owl_fmtext fm;
1859  char *ptr;
1860  char *result;
1861  int i;
1862
1863  owl_fmtext_init_null(&fm);
1864
1865  for (i=0; i<argc; i++) {
1866    ptr = long_zuser(argv[i]);
1867    result = owl_zephyr_zlocate(ptr, auth);
1868    owl_fmtext_append_normal(&fm, result);
1869    owl_free(result);
1870    owl_free(ptr);
1871  }
1872
1873  owl_function_popless_fmtext(&fm);
1874  owl_fmtext_cleanup(&fm);
1875}
1876
1877void owl_callback_command(owl_editwin *e)
1878{
1879  char *rv;
1880  const char *line = owl_editwin_get_text(e);
1881
1882  rv = owl_function_command(line);
1883   if (rv) {
1884    owl_function_makemsg("%s", rv);
1885    owl_free(rv);
1886  }
1887}
1888
1889void owl_function_start_command(const char *line)
1890{
1891  owl_editwin *tw;
1892
1893  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1894
1895  owl_editwin_set_locktext(tw, "command: ");
1896
1897  owl_editwin_insert_string(tw, line);
1898
1899  owl_global_push_context(&g, OWL_CTX_EDITLINE, tw, "editline");
1900  owl_editwin_set_callback(tw, owl_callback_command);
1901}
1902
1903owl_editwin *owl_function_start_question(const char *line)
1904{
1905  owl_editwin *tw;
1906
1907  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
1908
1909  owl_editwin_set_locktext(tw, line);
1910
1911  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1912  return tw;
1913}
1914
1915owl_editwin *owl_function_start_password(const char *line)
1916{
1917  owl_editwin *tw;
1918
1919  tw = owl_global_set_typwin_active(&g, OWL_EDITWIN_STYLE_ONELINE, NULL);
1920
1921  owl_editwin_set_echochar(tw, '*');
1922
1923  owl_editwin_set_locktext(tw, line);
1924
1925  owl_global_push_context(&g, OWL_CTX_EDITRESPONSE, tw, "editresponse");
1926  return tw;
1927}
1928
1929char *owl_function_exec(int argc, const char *const *argv, const char *buff, int type)
1930{
1931  /* if type == 1 display in a popup
1932   * if type == 2 display an admin messages
1933   * if type == 0 return output
1934   * else display in a popup
1935   */
1936  const char *redirect = " 2>&1 < /dev/null";
1937  char *newbuff;
1938  char *out;
1939  FILE *p;
1940
1941#if OWL_STDERR_REDIR
1942  redirect = " < /dev/null";
1943#endif
1944
1945  if (argc<2) {
1946    owl_function_error("Wrong number of arguments to the exec command");
1947    return NULL;
1948  }
1949
1950  buff = skiptokens(buff, 1);
1951  newbuff = owl_sprintf("%s%s", buff, redirect);
1952
1953  if (type == OWL_OUTPUT_POPUP) {
1954    owl_popexec_new(newbuff);
1955  } else {
1956    p = popen(newbuff, "r");
1957    out = owl_slurp(p);
1958    pclose(p);
1959   
1960    if (type == OWL_OUTPUT_RETURN) {
1961      owl_free(newbuff);
1962      return out;
1963    } else if (type == OWL_OUTPUT_ADMINMSG) {
1964      owl_function_adminmsg(buff, out);
1965    }
1966    owl_free(out);
1967  }
1968  owl_free(newbuff);
1969  return NULL;
1970}
1971
1972char *owl_function_perl(int argc, const char *const *argv, const char *buff, int type)
1973{
1974  /* if type == 1 display in a popup
1975   * if type == 2 display an admin messages
1976   * if type == 0 return output
1977   * else display in a popup
1978   */
1979  char *perlout;
1980
1981  if (argc<2) {
1982    owl_function_error("Wrong number of arguments to perl command");
1983    return NULL;
1984  }
1985
1986  /* consume first token (argv[0]) */
1987  buff = skiptokens(buff, 1);
1988
1989  perlout = owl_perlconfig_execute(buff);
1990  if (perlout) { 
1991    if (type == OWL_OUTPUT_POPUP) {
1992      owl_function_popless_text(perlout);
1993    } else if (type == OWL_OUTPUT_ADMINMSG) {
1994      owl_function_adminmsg(buff, perlout);
1995    } else if (type == OWL_OUTPUT_RETURN) {
1996      return perlout;
1997    }
1998    owl_free(perlout);
1999  }
2000  return NULL;
2001}
2002
2003/* Change the filter associated with the current view.
2004 * This also figures out which message in the new filter
2005 * should have the pointer.
2006 */
2007void owl_function_change_currentview_filter(const char *filtname)
2008{
2009  owl_view *v;
2010  owl_filter *f;
2011  int curid=-1, newpos, curmsg;
2012  const owl_message *curm=NULL;
2013
2014  v=owl_global_get_current_view(&g);
2015
2016  curmsg=owl_global_get_curmsg(&g);
2017  if (curmsg==-1) {
2018    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2019  } else {
2020    curm=owl_view_get_element(v, curmsg);
2021    if (curm) {
2022      curid=owl_message_get_id(curm);
2023      owl_view_save_curmsgid(v, curid);
2024    }
2025  }
2026
2027  f=owl_global_get_filter(&g, filtname);
2028  if (!f) {
2029    owl_function_error("Unknown filter %s", filtname);
2030    return;
2031  }
2032
2033  owl_view_new_filter(v, f);
2034
2035  /* Figure out what to set the current message to.
2036   * - If the view we're leaving has messages in it, go to the closest message
2037   *   to the last message pointed to in that view.
2038   * - If the view we're leaving is empty, try to restore the position
2039   *   from the last time we were in the new view.  */
2040  if (curm) {
2041    newpos = owl_view_get_nearest_to_msgid(v, curid);
2042  } else {
2043    newpos = owl_view_get_nearest_to_saved(v);
2044  }
2045
2046  owl_global_set_curmsg(&g, newpos);
2047  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2048  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2049  owl_global_set_direction_downwards(&g);
2050}
2051
2052/* Create a new filter, or replace an existing one
2053 * with a new definition.
2054 */
2055void owl_function_create_filter(int argc, const char *const *argv)
2056{
2057  owl_filter *f;
2058  const owl_view *v;
2059  int inuse = 0;
2060
2061  if (argc < 2) {
2062    owl_function_error("Wrong number of arguments to filter command");
2063    return;
2064  }
2065
2066  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2067
2068  v=owl_global_get_current_view(&g);
2069
2070  /* don't touch the all filter */
2071  if (!strcmp(argv[1], "all")) {
2072    owl_function_error("You may not change the 'all' filter.");
2073    return;
2074  }
2075
2076  /* deal with the case of trying change the filter color */
2077  if (argc==4 && !strcmp(argv[2], "-c")) {
2078    f=owl_global_get_filter(&g, argv[1]);
2079    if (!f) {
2080      owl_function_error("The filter '%s' does not exist.", argv[1]);
2081      return;
2082    }
2083    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2084      owl_function_error("The color '%s' is not available.", argv[3]);
2085      return;
2086    }
2087    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2088    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2089    return;
2090  }
2091  if (argc==4 && !strcmp(argv[2], "-b")) {
2092    f=owl_global_get_filter(&g, argv[1]);
2093    if (!f) {
2094      owl_function_error("The filter '%s' does not exist.", argv[1]);
2095      return;
2096    }
2097    if (owl_util_string_to_color(argv[3])==OWL_COLOR_INVALID) {
2098      owl_function_error("The color '%s' is not available.", argv[3]);
2099      return;
2100    }
2101    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2102    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2103    return;
2104  }
2105
2106  /* create the filter and check for errors */
2107  f = owl_filter_new(argv[1], argc-2, argv+2);
2108  if (f == NULL) {
2109    owl_function_error("Invalid filter");
2110    return;
2111  }
2112
2113  /* if the named filter is in use by the current view, remember it */
2114  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2115    inuse=1;
2116  }
2117
2118  /* if the named filter already exists, nuke it */
2119  if (owl_global_get_filter(&g, argv[1])) {
2120    owl_global_remove_filter(&g, argv[1]);
2121  }
2122
2123  /* add the filter */
2124  owl_global_add_filter(&g, f);
2125
2126  /* if it was in use by the current view then update */
2127  if (inuse) {
2128    owl_function_change_currentview_filter(argv[1]);
2129  }
2130  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2131}
2132
2133/* If 'filtername' does not start with 'not-' create a filter named
2134 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2135 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2136 * 'filtername' begins with 'not-' and a filter 'filtername' already
2137 * exists, then do nothing.  If the filter 'filtername' does not
2138 * exist, create it and define it as 'not filter <filtername>'
2139 *
2140 * Returns the name of the negated filter, which the caller must free.
2141 */
2142char *owl_function_create_negative_filter(const char *filtername)
2143{
2144  char *newname;
2145  const owl_filter *tmpfilt;
2146  const char *argv[5];
2147
2148  owl_function_debugmsg("owl_function_create_negative_filter");
2149 
2150  if (!strncmp(filtername, "not-", 4)) {
2151    newname=owl_strdup(filtername+4);
2152  } else {
2153    newname=owl_sprintf("not-%s", filtername);
2154  }
2155
2156  tmpfilt=owl_global_get_filter(&g, newname);
2157  if (!tmpfilt) {
2158    argv[0]="filter"; /* anything is fine here */
2159    argv[1]=newname;
2160    argv[2]="not";
2161    argv[3]="filter";
2162    argv[4]=filtername;
2163    owl_function_create_filter(5, argv);
2164  }
2165
2166  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2167  return(newname);
2168}
2169
2170void owl_function_show_filters(void)
2171{
2172  const owl_filter *f;
2173  GList *fl;
2174  owl_fmtext fm;
2175
2176  owl_fmtext_init_null(&fm);
2177
2178  owl_fmtext_append_bold(&fm, "Filters:\n");
2179
2180  for (fl = g.filterlist; fl; fl = g_list_next(fl)) {
2181    f = fl->data;
2182    owl_fmtext_append_normal(&fm, "   ");
2183    if (owl_global_get_hascolors(&g)) {
2184      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2185    } else {
2186      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2187    }
2188    owl_fmtext_append_normal(&fm, "\n");
2189  }
2190  owl_function_popless_fmtext(&fm);
2191  owl_fmtext_cleanup(&fm);
2192}
2193
2194void owl_function_show_filter(const char *name)
2195{
2196  const owl_filter *f;
2197  char *buff, *tmp;
2198
2199  f=owl_global_get_filter(&g, name);
2200  if (!f) {
2201    owl_function_error("There is no filter named %s", name);
2202    return;
2203  }
2204  tmp = owl_filter_print(f);
2205  buff = owl_sprintf("%s: %s", owl_filter_get_name(f), tmp);
2206  owl_function_popless_text(buff);
2207  owl_free(buff);
2208  owl_free(tmp);
2209}
2210
2211void owl_function_show_zpunts(void)
2212{
2213  const owl_filter *f;
2214  const owl_list *fl;
2215  char buff[5000];
2216  char *tmp;
2217  owl_fmtext fm;
2218  int i, j;
2219
2220  owl_fmtext_init_null(&fm);
2221
2222  fl=owl_global_get_puntlist(&g);
2223  j=owl_list_get_size(fl);
2224  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2225
2226  for (i=0; i<j; i++) {
2227    f=owl_list_get_element(fl, i);
2228    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2229    owl_fmtext_append_normal(&fm, buff);
2230    tmp = owl_filter_print(f);
2231    owl_fmtext_append_normal(&fm, tmp);
2232    owl_free(tmp);
2233  }
2234  owl_function_popless_fmtext(&fm);
2235  owl_fmtext_cleanup(&fm);
2236}
2237
2238/* Create a filter for a class, instance if one doesn't exist.  If
2239 * instance is NULL then catch all messgaes in the class.  Returns the
2240 * name of the filter, which the caller must free.
2241 * If 'related' is nonzero, encompass unclasses and .d classes as well.
2242 */
2243char *owl_function_classinstfilt(const char *c, const char *i, int related) 
2244{
2245  owl_filter *f;
2246  char *argbuff, *filtname;
2247  char *tmpclass, *tmpinstance = NULL;
2248  char *class, *instance = NULL;
2249
2250  if (related) {
2251    class = owl_util_baseclass(c);
2252    if (i) {
2253      instance = owl_util_baseclass(i);
2254    }
2255  } else {
2256    class = owl_strdup(c);
2257    if (i) {
2258      instance = owl_strdup(i);
2259    }
2260  }
2261
2262  /* name for the filter */
2263  if (!instance) {
2264    filtname = owl_sprintf("%sclass-%s", related ? "related-" : "", class);
2265  } else {
2266    filtname = owl_sprintf("%sclass-%s-instance-%s", related ? "related-" : "", class, instance);
2267  }
2268  /* downcase it */
2269  {
2270    char *temp = g_utf8_strdown(filtname, -1);
2271    if (temp) {
2272      owl_free(filtname);
2273      filtname = temp;
2274    }
2275  }
2276  /* turn spaces, single quotes, and double quotes into dots */
2277  owl_text_tr(filtname, ' ', '.');
2278  owl_text_tr(filtname, '\'', '.');
2279  owl_text_tr(filtname, '"', '.');
2280 
2281  /* if it already exists then go with it.  This lets users override */
2282  if (owl_global_get_filter(&g, filtname)) {
2283    goto done;
2284  }
2285
2286  /* create the new filter */
2287  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2288  owl_text_tr(tmpclass, ' ', '.');
2289  owl_text_tr(tmpclass, '\'', '.');
2290  owl_text_tr(tmpclass, '"', '.');
2291  if (instance) {
2292    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2293    owl_text_tr(tmpinstance, ' ', '.');
2294    owl_text_tr(tmpinstance, '\'', '.');
2295    owl_text_tr(tmpinstance, '"', '.');
2296  }
2297
2298  argbuff = owl_sprintf(related ? "class ^(un)*%s(\\.d)*$" : "class ^%s$", tmpclass);
2299  if (tmpinstance) {
2300    char *tmp = argbuff;
2301    argbuff = owl_sprintf(related ? "%s and ( instance ^(un)*%s(\\.d)*$ )" : "%s and instance ^%s$", tmp, tmpinstance);
2302    owl_free(tmp);
2303  }
2304  owl_free(tmpclass);
2305  if (tmpinstance) owl_free(tmpinstance);
2306
2307  f = owl_filter_new_fromstring(filtname, argbuff);
2308
2309  /* add it to the global list */
2310  owl_global_add_filter(&g, f);
2311
2312  owl_free(argbuff);
2313done:
2314  owl_free(class);
2315  if (instance) {
2316    owl_free(instance);
2317  }
2318  return(filtname);
2319}
2320
2321/* Create a filter for personal zephyrs to or from the specified
2322 * zephyr user.  Includes login/logout notifications for the user.
2323 * The name of the filter will be 'user-<user>'.  If a filter already
2324 * exists with this name, no new filter will be created.  This allows
2325 * the configuration to override this function.  Returns the name of
2326 * the filter, which the caller must free.
2327 */
2328char *owl_function_zuserfilt(const char *user)
2329{
2330  owl_filter *f;
2331  char *argbuff, *longuser, *esclonguser, *shortuser, *filtname;
2332
2333  /* stick the local realm on if it's not there */
2334  longuser=long_zuser(user);
2335  shortuser=short_zuser(user);
2336
2337  /* name for the filter */
2338  filtname=owl_sprintf("user-%s", shortuser);
2339
2340  /* if it already exists then go with it.  This lets users override */
2341  if (owl_global_get_filter(&g, filtname)) {
2342    return filtname;
2343  }
2344
2345  /* create the new-internal filter */
2346  esclonguser = owl_text_quote(longuser, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2347
2348  argbuff=owl_sprintf("( type ^zephyr$ and filter personal and "
2349      "( ( direction ^in$ and sender ^%1$s$ ) or ( direction ^out$ and "
2350      "recipient ^%1$s$ ) ) ) or ( ( class ^login$ ) and ( sender ^%1$s$ ) )",
2351      esclonguser);
2352
2353  f = owl_filter_new_fromstring(filtname, argbuff);
2354
2355  /* add it to the global list */
2356  owl_global_add_filter(&g, f);
2357
2358  /* free stuff */
2359  owl_free(argbuff);
2360  owl_free(longuser);
2361  owl_free(esclonguser);
2362  owl_free(shortuser);
2363
2364  return(filtname);
2365}
2366
2367/* Create a filter for AIM IM messages to or from the specified
2368 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2369 * filter already exists with this name, no new filter will be
2370 * created.  This allows the configuration to override this function.
2371 * Returns the name of the filter, which the caller must free.
2372 */
2373char *owl_function_aimuserfilt(const char *user)
2374{
2375  owl_filter *f;
2376  char *argbuff, *filtname;
2377  char *escuser;
2378
2379  /* name for the filter */
2380  filtname=owl_sprintf("aimuser-%s", user);
2381
2382  /* if it already exists then go with it.  This lets users override */
2383  if (owl_global_get_filter(&g, filtname)) {
2384    return(owl_strdup(filtname));
2385  }
2386
2387  /* create the new-internal filter */
2388  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2389
2390  argbuff = owl_sprintf(
2391      "( type ^aim$ and ( ( sender ^%1$s$ and recipient ^%2$s$ ) or "
2392      "( sender ^%2$s$ and recipient ^%1$s$ ) ) )",
2393      escuser, owl_global_get_aim_screenname_for_filters(&g));
2394
2395  f = owl_filter_new_fromstring(filtname, argbuff);
2396
2397  /* add it to the global list */
2398  owl_global_add_filter(&g, f);
2399
2400  /* free stuff */
2401  owl_free(argbuff);
2402  owl_free(escuser);
2403
2404  return(filtname);
2405}
2406
2407char *owl_function_typefilt(const char *type)
2408{
2409  owl_filter *f;
2410  char *argbuff, *filtname, *esctype;
2411
2412  /* name for the filter */
2413  filtname=owl_sprintf("type-%s", type);
2414
2415  /* if it already exists then go with it.  This lets users override */
2416  if (owl_global_get_filter(&g, filtname)) {
2417    return filtname;
2418  }
2419
2420  /* create the new-internal filter */
2421  esctype = owl_text_quote(type, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2422
2423  argbuff = owl_sprintf("type ^%s$", esctype);
2424
2425  f = owl_filter_new_fromstring(filtname, argbuff);
2426
2427  /* add it to the global list */
2428  owl_global_add_filter(&g, f);
2429
2430  /* free stuff */
2431  owl_free(argbuff);
2432  owl_free(esctype);
2433
2434  return filtname;
2435}
2436
2437/* If flag is 1, marks for deletion.  If flag is 0,
2438 * unmarks for deletion. */
2439void owl_function_delete_curview_msgs(int flag)
2440{
2441  const owl_view *v;
2442  int i, j;
2443
2444  v=owl_global_get_current_view(&g);
2445  j=owl_view_get_size(v);
2446  for (i=0; i<j; i++) {
2447    if (flag == 1) {
2448      owl_message_mark_delete(owl_view_get_element(v, i));
2449    } else if (flag == 0) {
2450      owl_message_unmark_delete(owl_view_get_element(v, i));
2451    }
2452  }
2453
2454  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2455
2456  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2457}
2458
2459static char *owl_function_smartfilter_cc(const owl_message *m) {
2460  const char *ccs;
2461  char *filtname;
2462  char *text;
2463  owl_filter *f;
2464
2465  ccs = owl_message_get_attribute_value(m, "zephyr_ccs");
2466
2467  filtname = owl_sprintf("conversation-%s", ccs);
2468  owl_text_tr(filtname, ' ', '-');
2469
2470  if (owl_global_get_filter(&g, filtname)) {
2471    return filtname;
2472  }
2473
2474  text = owl_sprintf("type ^zephyr$ and filter personal and "
2475                     "zephyr_ccs ^%s%s%s$",
2476                     owl_getquoting(ccs), ccs, owl_getquoting(ccs));
2477
2478  f = owl_filter_new_fromstring(filtname, text);
2479
2480  owl_global_add_filter(&g, f);
2481
2482  owl_free(text);
2483
2484  return filtname;
2485}
2486
2487/* Create a filter based on the current message.  Returns the name of
2488 * a filter or null.  The caller must free this name.
2489 *
2490 * if the curmsg is a personal zephyr return a filter name
2491 *    to the zephyr conversation with that user.
2492 * If the curmsg is a zephyr class message, instance foo, recip *,
2493 *    return a filter name to the class, inst.
2494 * If the curmsg is a zephyr class message and type==0 then
2495 *    return a filter name for just the class.
2496 * If the curmsg is a zephyr class message and type==1 then
2497 *    return a filter name for the class and instance.
2498 * If the curmsg is a personal AIM message returna  filter
2499 *    name to the AIM conversation with that user
2500 */
2501char *owl_function_smartfilter(int type, int invert_related)
2502{
2503  const owl_view *v;
2504  const owl_message *m;
2505  char *zperson, *filtname=NULL;
2506  const char *argv[2];
2507  int related = owl_global_is_narrow_related(&g) ^ invert_related;
2508
2509  v=owl_global_get_current_view(&g);
2510  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2511
2512  if (!m || owl_view_get_size(v)==0) {
2513    owl_function_error("No message selected\n");
2514    return(NULL);
2515  }
2516
2517  /* very simple handling of admin messages for now */
2518  if (owl_message_is_type_admin(m)) {
2519    return(owl_function_typefilt("admin"));
2520  }
2521
2522  /* very simple handling of loopback messages for now */
2523  if (owl_message_is_type_loopback(m)) {
2524    return(owl_function_typefilt("loopback"));
2525  }
2526
2527  /* aim messages */
2528  if (owl_message_is_type_aim(m)) {
2529    if (owl_message_is_direction_in(m)) {
2530      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2531    } else if (owl_message_is_direction_out(m)) {
2532      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2533    }
2534    return(filtname);
2535  }
2536
2537  /* narrow personal and login messages to the sender or recip as appropriate */
2538  if (owl_message_is_type_zephyr(m)) {
2539    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2540      if (owl_message_get_attribute_value(m, "zephyr_ccs") != NULL) {
2541        return owl_function_smartfilter_cc(m);
2542      }
2543
2544      if (owl_message_is_direction_in(m)) {
2545        zperson=short_zuser(owl_message_get_sender(m));
2546      } else {
2547        zperson=short_zuser(owl_message_get_recipient(m));
2548      }
2549      filtname=owl_function_zuserfilt(zperson);
2550      owl_free(zperson);
2551      return(filtname);
2552    }
2553
2554    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2555    if (!strcasecmp(owl_message_get_class(m), "message")) {
2556      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2557      return(filtname);
2558    }
2559
2560    /* otherwise narrow to the class */
2561    if (type==0) {
2562      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL, related);
2563    } else if (type==1) {
2564      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m), related);
2565    }
2566    return(filtname);
2567  }
2568
2569  /* pass it off to perl */
2570  argv[0] = type ? "1" : "0";
2571  argv[1] = related ? "1" : "0";
2572  return owl_perlconfig_message_call_method(m, "smartfilter", 2, argv);
2573}
2574
2575void owl_function_smartzpunt(int type)
2576{
2577  /* Starts a zpunt command based on the current class,instance pair.
2578   * If type=0, uses just class.  If type=1, uses instance as well. */
2579  const owl_view *v;
2580  const owl_message *m;
2581  const char *cmdprefix, *mclass, *minst;
2582  char *cmd;
2583 
2584  v=owl_global_get_current_view(&g);
2585  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2586
2587  if (!m || owl_view_get_size(v)==0) {
2588    owl_function_error("No message selected\n");
2589    return;
2590  }
2591
2592  /* for now we skip admin messages. */
2593  if (owl_message_is_type_admin(m)
2594      || owl_message_is_loginout(m)
2595      || !owl_message_is_type_zephyr(m)) {
2596    owl_function_error("smartzpunt doesn't support this message type.");
2597    return;
2598  }
2599
2600  mclass = owl_message_get_class(m);
2601  minst = owl_message_get_instance(m);
2602  if (!mclass || !*mclass || *mclass==' '
2603      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2604      || (type && (!minst || !*minst|| *minst==' '))) {
2605    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2606                         mclass, minst);
2607  } else {
2608    cmdprefix = "start-command zpunt ";
2609    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2610    strcpy(cmd, cmdprefix);
2611    strcat(cmd, owl_getquoting(mclass));
2612    strcat(cmd, mclass);
2613    strcat(cmd, owl_getquoting(mclass));
2614    if (type) {
2615      strcat(cmd, " ");
2616      strcat(cmd, owl_getquoting(minst));
2617      strcat(cmd, minst);
2618      strcat(cmd, owl_getquoting(minst));
2619    } else {
2620      strcat(cmd, " *");
2621    }
2622    owl_function_command(cmd);
2623    owl_free(cmd);
2624  }
2625}
2626
2627/* Set the color of the current view's filter to
2628 * be 'color'
2629 */
2630void owl_function_color_current_filter(const char *fgcolor, const char *bgcolor)
2631{
2632  const char *name;
2633
2634  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2635  owl_function_color_filter(name, fgcolor, bgcolor);
2636}
2637
2638/* Set the color of the filter 'filter' to be 'color'.  If the color
2639 * name does not exist, return -1, if the filter does not exist or is
2640 * the "all" filter, return -2.  Return 0 on success
2641 */
2642int owl_function_color_filter(const char *filtname, const char *fgcolor, const char *bgcolor)
2643{
2644  owl_filter *f;
2645
2646  f=owl_global_get_filter(&g, filtname);
2647  if (!f) {
2648    owl_function_error("Unknown filter");
2649    return(-2);
2650  }
2651
2652  /* don't touch the all filter */
2653  if (!strcmp(filtname, "all")) {
2654    owl_function_error("You may not change the 'all' filter.");
2655    return(-2);
2656  }
2657
2658  if (owl_util_string_to_color(fgcolor)==OWL_COLOR_INVALID) {
2659    owl_function_error("No color named '%s' avilable.", fgcolor);
2660    return(-1);
2661  }
2662
2663
2664  if (bgcolor != NULL) {
2665    if (owl_util_string_to_color(bgcolor)==OWL_COLOR_INVALID) {
2666      owl_function_error("No color named '%s' avilable.", bgcolor);
2667      return(-1);
2668    }
2669    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2670  }
2671  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2672 
2673  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2674  return(0);
2675}
2676
2677void owl_function_show_colors(void)
2678{
2679  owl_fmtext fm;
2680  int i; 
2681 
2682  owl_fmtext_init_null(&fm);
2683  owl_fmtext_append_normal(&fm, "default: ");
2684  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2685
2686  owl_fmtext_append_normal(&fm,"red:      ");
2687  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2688
2689  owl_fmtext_append_normal(&fm,"green:    ");
2690  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2691
2692  owl_fmtext_append_normal(&fm,"yellow:   ");
2693  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2694
2695  owl_fmtext_append_normal(&fm,"blue:     ");
2696  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2697
2698  owl_fmtext_append_normal(&fm,"magenta:  ");
2699  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2700
2701  owl_fmtext_append_normal(&fm,"cyan:     ");
2702  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2703
2704  owl_fmtext_append_normal(&fm,"white:    ");
2705  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
2706
2707  for(i = 8; i < COLORS; ++i) {
2708    char* str1 = owl_sprintf("%4i:     ",i);
2709    char* str2 = owl_sprintf("%i\n",i);
2710    owl_fmtext_append_normal(&fm,str1);
2711    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
2712    owl_free(str1);
2713     owl_free(str2);
2714  }
2715 
2716  owl_function_popless_fmtext(&fm);
2717  owl_fmtext_cleanup(&fm);
2718}
2719
2720/* add the given class, inst, recip to the punt list for filtering.
2721 *   if direction==0 then punt
2722 *   if direction==1 then unpunt
2723 */
2724void owl_function_zpunt(const char *class, const char *inst, const char *recip, int direction)
2725{
2726  char *puntexpr, *classexpr, *instexpr, *recipexpr;
2727  char *quoted;
2728
2729  if (!strcmp(class, "*")) {
2730    classexpr = owl_sprintf("class .*");
2731  } else {
2732    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2733    owl_text_tr(quoted, ' ', '.');
2734    owl_text_tr(quoted, '\'', '.');
2735    owl_text_tr(quoted, '"', '.');
2736    classexpr = owl_sprintf("class ^(un)*%s(\\.d)*$", quoted);
2737    owl_free(quoted);
2738  }
2739  if (!strcmp(inst, "*")) {
2740    instexpr = owl_sprintf(" and instance .*");
2741  } else {
2742    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2743    owl_text_tr(quoted, ' ', '.');
2744    owl_text_tr(quoted, '\'', '.');
2745    owl_text_tr(quoted, '"', '.');
2746    instexpr = owl_sprintf(" and instance ^(un)*%s(\\.d)*$", quoted);
2747    owl_free(quoted);
2748  }
2749  if (!strcmp(recip, "*")) {
2750    recipexpr = owl_sprintf("");
2751  } else {
2752    if(!strcmp(recip, "%me%")) {
2753      recip = owl_zephyr_get_sender();
2754    }
2755    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2756    owl_text_tr(quoted, ' ', '.');
2757    owl_text_tr(quoted, '\'', '.');
2758    owl_text_tr(quoted, '"', '.');
2759    recipexpr = owl_sprintf(" and recipient ^%s$", quoted);
2760    owl_free(quoted);
2761  }
2762
2763  puntexpr = owl_sprintf("%s %s %s", classexpr, instexpr, recipexpr);
2764  owl_function_punt(puntexpr, direction);
2765  owl_free(puntexpr);
2766  owl_free(classexpr);
2767  owl_free(instexpr);
2768  owl_free(recipexpr);
2769}
2770
2771void owl_function_punt(const char *filter, int direction)
2772{
2773  owl_filter *f;
2774  owl_list *fl;
2775  int i, j;
2776  fl=owl_global_get_puntlist(&g);
2777
2778  /* first, create the filter */
2779  owl_function_debugmsg("About to filter %s", filter);
2780  f = owl_filter_new_fromstring("punt-filter", filter);
2781  if (f == NULL) {
2782    owl_function_error("Error creating filter for zpunt");
2783    return;
2784  }
2785
2786  /* Check for an identical filter */
2787  j=owl_list_get_size(fl);
2788  for (i=0; i<j; i++) {
2789    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2790      owl_function_debugmsg("found an equivalent punt filter");
2791      /* if we're punting, then just silently bow out on this duplicate */
2792      if (direction==0) {
2793        owl_filter_delete(f);
2794        return;
2795      }
2796
2797      /* if we're unpunting, then remove this filter from the puntlist */
2798      if (direction==1) {
2799        owl_filter_delete(owl_list_get_element(fl, i));
2800        owl_list_remove_element(fl, i);
2801        owl_filter_delete(f);
2802        return;
2803      }
2804    }
2805  }
2806
2807  owl_function_debugmsg("punting");
2808  /* If we're punting, add the filter to the global punt list */
2809  if (direction==0) {
2810    owl_list_append_element(fl, f);
2811  }
2812}
2813
2814void owl_function_show_keymaps(void)
2815{
2816  owl_list l;
2817  owl_fmtext fm;
2818  const owl_keymap *km;
2819  const owl_keyhandler *kh;
2820  int i, numkm;
2821  const char *kmname;
2822
2823  kh = owl_global_get_keyhandler(&g);
2824  owl_fmtext_init_null(&fm);
2825  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2826  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2827  owl_keyhandler_get_keymap_names(kh, &l);
2828  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2829  owl_fmtext_append_normal(&fm, "\n");
2830
2831  numkm = owl_list_get_size(&l);
2832  for (i=0; i<numkm; i++) {
2833    kmname = owl_list_get_element(&l, i);
2834    km = owl_keyhandler_get_keymap(kh, kmname);
2835    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2836    owl_keymap_get_details(km, &fm, 0);
2837  }
2838  owl_fmtext_append_normal(&fm, "\n");
2839 
2840  owl_function_popless_fmtext(&fm);
2841  owl_keyhandler_keymap_namelist_cleanup(&l);
2842  owl_fmtext_cleanup(&fm);
2843}
2844
2845char *owl_function_keymap_summary(const char *name)
2846{
2847  const owl_keymap *km
2848    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2849  if (km) return owl_keymap_summary(km);
2850  else return(NULL);
2851}
2852
2853/* TODO: implement for real */
2854void owl_function_show_keymap(const char *name)
2855{
2856  owl_fmtext fm;
2857  const owl_keymap *km;
2858
2859  owl_fmtext_init_null(&fm);
2860  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2861  if (km) {
2862    owl_keymap_get_details(km, &fm, 1);
2863  } else {
2864    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2865  } 
2866  owl_function_popless_fmtext(&fm);
2867  owl_fmtext_cleanup(&fm);
2868}
2869
2870void owl_function_help_for_command(const char *cmdname)
2871{
2872  owl_fmtext fm;
2873
2874  owl_fmtext_init_null(&fm);
2875  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2876  owl_function_popless_fmtext(&fm); 
2877  owl_fmtext_cleanup(&fm);
2878}
2879
2880void owl_function_search_start(const char *string, int direction)
2881{
2882  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS or
2883   * OWL_DIRECTION_NONE */
2884  owl_regex re;
2885
2886  if (string && owl_regex_create_quoted(&re, string) == 0) {
2887    owl_global_set_search_re(&g, &re);
2888    owl_regex_cleanup(&re);
2889  } else {
2890    owl_global_set_search_re(&g, NULL);
2891  }
2892
2893  if (direction == OWL_DIRECTION_NONE)
2894    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2895  else
2896    owl_function_search_helper(0, direction);
2897}
2898
2899void owl_function_search_continue(int direction)
2900{
2901  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2902  owl_function_search_helper(1, direction);
2903}
2904
2905void owl_function_search_helper(int mode, int direction)
2906{
2907  /* move to a message that contains the string.  If direction is
2908   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2909   * OWL_DIRECTION_UPWARDS then search backwards.
2910   *
2911   * If mode==0 then it will stay on the current message if it
2912   * contains the string.
2913   */
2914
2915  const owl_view *v;
2916  int viewsize, i, curmsg, start;
2917  owl_message *m;
2918
2919  v=owl_global_get_current_view(&g);
2920  viewsize=owl_view_get_size(v);
2921  curmsg=owl_global_get_curmsg(&g);
2922 
2923  if (viewsize==0) {
2924    owl_function_error("No messages present");
2925    return;
2926  }
2927
2928  if (mode==0) {
2929    start=curmsg;
2930  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2931    start=curmsg+1;
2932  } else {
2933    start=curmsg-1;
2934  }
2935
2936  /* bounds check */
2937  if (start>=viewsize || start<0) {
2938    owl_function_error("No further matches found");
2939    return;
2940  }
2941
2942  for (i=start; i<viewsize && i>=0;) {
2943    m=owl_view_get_element(v, i);
2944    if (owl_message_search(m, owl_global_get_search_re(&g))) {
2945      owl_global_set_curmsg(&g, i);
2946      owl_function_calculate_topmsg(direction);
2947      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2948      if (direction==OWL_DIRECTION_DOWNWARDS) {
2949        owl_global_set_direction_downwards(&g);
2950      } else {
2951        owl_global_set_direction_upwards(&g);
2952      }
2953      return;
2954    }
2955    if (direction==OWL_DIRECTION_DOWNWARDS) {
2956      i++;
2957    } else {
2958      i--;
2959    }
2960    owl_function_mask_sigint(NULL);
2961    if(owl_global_is_interrupted(&g)) {
2962      owl_global_unset_interrupted(&g);
2963      owl_function_unmask_sigint(NULL);
2964      owl_function_makemsg("Search interrupted!");
2965      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2966      return;
2967    }
2968    owl_function_unmask_sigint(NULL);
2969  }
2970  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2971  owl_function_error("No matches found");
2972}
2973
2974/* strips formatting from ztext and returns the unformatted text.
2975 * caller is responsible for freeing. */
2976char *owl_function_ztext_stylestrip(const char *zt)
2977{
2978  owl_fmtext fm;
2979  char *plaintext;
2980
2981  owl_fmtext_init_null(&fm);
2982  owl_fmtext_append_ztext(&fm, zt);
2983  plaintext = owl_fmtext_print_plain(&fm);
2984  owl_fmtext_cleanup(&fm);
2985  return(plaintext);
2986}
2987
2988/* Popup a buddylisting.  If filename is NULL use the default .anyone */
2989void owl_function_buddylist(int aim, int zephyr, const char *filename)
2990{
2991  int i, j, idle;
2992  int interrupted = 0;
2993  owl_fmtext fm;
2994  const owl_buddylist *bl;
2995  const owl_buddy *b;
2996  char *timestr;
2997#ifdef HAVE_LIBZEPHYR
2998  int x;
2999  owl_list anyone;
3000  const char *user;
3001  char *tmp;
3002  ZLocations_t location[200];
3003  int numlocs, ret;
3004#endif
3005
3006  owl_fmtext_init_null(&fm);
3007
3008  /* AIM first */
3009  if (aim && owl_global_is_aimloggedin(&g)) {
3010    bl=owl_global_get_buddylist(&g);
3011
3012    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3013    /* we're assuming AIM for now */
3014    j=owl_buddylist_get_size(bl);
3015    for (i=0; i<j; i++) {
3016      b=owl_buddylist_get_buddy_n(bl, i);
3017      idle=owl_buddy_get_idle_time(b);
3018      if (idle!=0) {
3019        timestr=owl_util_minutes_to_timestr(idle);
3020      } else {
3021        timestr=owl_strdup("");
3022      }
3023      owl_fmtext_appendf_normal(&fm, "  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3024      owl_free(timestr);
3025    }
3026  }
3027
3028#ifdef HAVE_LIBZEPHYR
3029  if (zephyr) {
3030    if(!owl_global_is_havezephyr(&g)) {
3031      owl_function_error("Zephyr currently not available.");
3032    } else {
3033      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3034      owl_list_create(&anyone);
3035      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3036      if (ret) {
3037        if (errno == ENOENT) {
3038          owl_fmtext_append_normal(&fm, " You have not added any zephyr buddies.  Use the\n");
3039          owl_fmtext_append_normal(&fm, " command ':addbuddy zephyr ");
3040          owl_fmtext_append_bold(  &fm, "<username>");
3041          owl_fmtext_append_normal(&fm, "'.\n");
3042        } else {
3043          owl_fmtext_append_normal(&fm, " Could not read zephyr buddies from the .anyone file.\n");
3044        }
3045      } else {
3046        j=owl_list_get_size(&anyone);
3047        for (i=0; i<j; i++) {
3048          user=owl_list_get_element(&anyone, i);
3049          ret=ZLocateUser(zstr(user), &numlocs, ZAUTH);
3050
3051          owl_function_mask_sigint(NULL);
3052          if(owl_global_is_interrupted(&g)) {
3053            interrupted = 1;
3054            owl_global_unset_interrupted(&g);
3055            owl_function_unmask_sigint(NULL);
3056            owl_function_makemsg("Interrupted!");
3057            break;
3058          }
3059
3060          owl_function_unmask_sigint(NULL);
3061
3062          if (ret!=ZERR_NONE) {
3063            owl_function_error("Error getting location for %s", user);
3064            continue;
3065          }
3066
3067          numlocs=200;
3068          ret=ZGetLocations(location, &numlocs);
3069          if (ret==0) {
3070            for (x=0; x<numlocs; x++) {
3071              tmp=short_zuser(user);
3072              owl_fmtext_appendf_normal(&fm, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3073                                        tmp,
3074                                        location[x].host,
3075                                        location[x].tty,
3076                                        location[x].time);
3077              owl_free(tmp);
3078            }
3079            if (numlocs>=200) {
3080              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3081            }
3082          }
3083        }
3084      }
3085      owl_list_cleanup(&anyone, owl_free);
3086    }
3087  }
3088#endif
3089
3090  if (aim && zephyr) {
3091    if (owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3092      char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3093      if (perlblist) {
3094        owl_fmtext_append_ztext(&fm, perlblist);
3095        owl_free(perlblist);
3096      }
3097    }
3098  }
3099
3100  if(!interrupted) {
3101    owl_function_popless_fmtext(&fm);
3102  }
3103  owl_fmtext_cleanup(&fm);
3104}
3105
3106/* Dump messages in the current view to the file 'filename'. */
3107void owl_function_dump(const char *filename) 
3108{
3109  int i, j;
3110  owl_message *m;
3111  const owl_view *v;
3112  FILE *file;
3113  char *plaintext;
3114
3115  v=owl_global_get_current_view(&g);
3116
3117  /* in the future make it ask yes/no */
3118  /*
3119  ret=stat(filename, &sbuf);
3120  if (!ret) {
3121    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3122    if (!ret) return;
3123  }
3124  */
3125
3126  file=fopen(filename, "w");
3127  if (!file) {
3128    owl_function_error("Error opening file");
3129    return;
3130  }
3131
3132  j=owl_view_get_size(v);
3133  for (i=0; i<j; i++) {
3134    m=owl_view_get_element(v, i);
3135    plaintext = owl_strip_format_chars(owl_message_get_text(m));
3136    if (plaintext) {
3137      fputs(plaintext, file);
3138      owl_free(plaintext);
3139    }
3140  }
3141  fclose(file);
3142  owl_function_makemsg("Messages dumped to %s", filename);
3143}
3144
3145void owl_function_do_newmsgproc(void)
3146{
3147  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3148    /* if there's a process out there, we need to check on it */
3149    if (owl_global_get_newmsgproc_pid(&g)) {
3150      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3151      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3152      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3153      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3154        /* it exited */
3155        owl_global_set_newmsgproc_pid(&g, 0);
3156        owl_function_debugmsg("newmsgproc exited");
3157      } else {
3158        owl_function_debugmsg("newmsgproc did not exit");
3159      }
3160    }
3161   
3162    /* if it exited, fork & exec a new one */
3163    if (owl_global_get_newmsgproc_pid(&g)==0) {
3164      pid_t i;
3165      int myargc;
3166      i=fork();
3167      if (i) {
3168        /* parent set the child's pid */
3169        owl_global_set_newmsgproc_pid(&g, i);
3170        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3171      } else {
3172        /* child exec's the program */
3173        char **parsed;
3174        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3175        if (myargc < 0) {
3176          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3177        }
3178        if (myargc <= 0) {
3179          _exit(127);
3180        }
3181        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3182        parsed[myargc] = NULL;
3183       
3184        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3185       
3186        execvp(parsed[0], parsed);
3187       
3188       
3189        /* was there an error exec'ing? */
3190        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3191                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3192        _exit(127);
3193      }
3194    }
3195  }
3196}
3197
3198/* print the xterm escape sequence to raise the window */
3199void owl_function_xterm_raise(void)
3200{
3201  printf("\033[5t");
3202}
3203
3204/* print the xterm escape sequence to deiconify the window */
3205void owl_function_xterm_deiconify(void)
3206{
3207  printf("\033[1t");
3208}
3209
3210/* Add the specified command to the startup file.  Eventually this
3211 * should be clever, and rewriting settings that will obviosly
3212 * override earlier settings with 'set' 'bindkey' and 'alias'
3213 * commands.  For now though we just remove any line that would
3214 * duplicate this one and then append this line to the end of
3215 * startupfile.
3216 */
3217void owl_function_addstartup(const char *buff)
3218{
3219  FILE *file;
3220  const char *filename;
3221
3222  filename=owl_global_get_startupfile(&g);
3223
3224  /* delete earlier copies */
3225  owl_util_file_deleteline(filename, buff, 1);
3226
3227  file=fopen(filename, "a");
3228  if (!file) {
3229    owl_function_error("Error opening startupfile for new command");
3230    return;
3231  }
3232
3233  /* add this line */
3234  fprintf(file, "%s\n", buff);
3235
3236  fclose(file);
3237}
3238
3239/* Remove the specified command from the startup file. */
3240void owl_function_delstartup(const char *buff)
3241{
3242  const char *filename;
3243  filename=owl_global_get_startupfile(&g);
3244  owl_util_file_deleteline(filename, buff, 1);
3245}
3246
3247/* Execute owl commands from the given filename.  If the filename
3248 * is NULL, use the default owl startup commands file.
3249 */
3250void owl_function_source(const char *filename)
3251{
3252  char *path;
3253  FILE *file;
3254  char *s = NULL;
3255  int fail_silent = 0;
3256
3257  if (!filename) {
3258    fail_silent = 1;
3259    path = owl_strdup(owl_global_get_startupfile(&g));
3260  } else {
3261    path = owl_util_makepath(filename);
3262  }
3263  file = fopen(path, "r");
3264  owl_free(path);
3265  if (!file) {
3266    if (!fail_silent) {
3267      owl_function_error("Error opening file: %s", filename);
3268    }
3269    return;
3270  }
3271  while (owl_getline_chomp(&s, file)) {
3272    if (s[0] == '\0' || s[0] == '#')
3273      continue;
3274    owl_function_command(s);
3275  }
3276
3277  owl_free(s);
3278  fclose(file);
3279}
3280
3281void owl_function_change_style(owl_view *v, const char *stylename)
3282{
3283  const owl_style *s;
3284
3285  s=owl_global_get_style_by_name(&g, stylename);
3286  if (!s) {
3287    owl_function_error("No style named %s", stylename);
3288    return;
3289  }
3290  owl_view_set_style(v, s);
3291  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3292  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3293  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3294}
3295
3296void owl_function_toggleoneline(void)
3297{
3298  owl_view *v;
3299  const owl_style *s;
3300
3301  v=owl_global_get_current_view(&g);
3302  s=owl_view_get_style(v);
3303
3304  if (!owl_style_matches_name(s, "oneline")) {
3305    owl_function_change_style(v, "oneline");
3306  } else {
3307    owl_function_change_style(v, owl_global_get_default_style(&g));
3308  }
3309
3310  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3311  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3312  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3313}
3314
3315void owl_function_error(const char *fmt, ...)
3316{
3317  static int in_error = 0;
3318  va_list ap;
3319  char *buff;
3320  const char *nl;
3321
3322  if (++in_error > 2) {
3323    /* More than two nested errors, bail immediately. */
3324    in_error--;
3325    return;
3326  }
3327
3328  va_start(ap, fmt);
3329  buff = g_strdup_vprintf(fmt, ap);
3330  va_end(ap);
3331
3332  owl_function_debugmsg("ERROR: %s", buff);
3333  owl_function_log_err(buff);
3334
3335  nl = strchr(buff, '\n');
3336
3337  /*
3338    Showing admin messages triggers a lot of code. If we have a
3339    recursive error call, that's the most likely candidate, so
3340    suppress the call in that case, to try to avoid infinite looping.
3341  */
3342
3343  if(nl && *(nl + 1) && in_error == 1) {
3344    /* Multiline error */
3345    owl_function_adminmsg("ERROR", buff);
3346  } else {
3347    owl_function_makemsg("[Error] %s", buff);
3348  }
3349
3350  owl_free(buff);
3351
3352  in_error--;
3353}
3354
3355void owl_function_log_err(const char *string)
3356{
3357  char *date;
3358  time_t now;
3359  char *buff;
3360
3361  now=time(NULL);
3362  date=owl_strdup(ctime(&now));
3363  date[strlen(date)-1]='\0';
3364
3365  buff = owl_sprintf("%s %s", date, string);
3366
3367  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff);
3368
3369  owl_free(buff);
3370  owl_free(date);
3371}
3372
3373void owl_function_showerrs(void)
3374{
3375  owl_fmtext fm;
3376
3377  owl_fmtext_init_null(&fm);
3378  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3379  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3380  owl_function_popless_fmtext(&fm);
3381}
3382
3383void owl_function_makemsg(const char *fmt, ...)
3384{
3385  va_list ap;
3386  char *str;
3387
3388  if (!owl_global_get_curs_msgwin(&g)) return;
3389
3390  va_start(ap, fmt);
3391  str = g_strdup_vprintf(fmt, ap);
3392  va_end(ap);
3393
3394  owl_function_debugmsg("makemsg: %s", str);
3395  owl_msgwin_set_text(&g.msgwin, str);
3396}
3397
3398/* get locations for everyone in .anyone.  If 'notify' is '1' then
3399 * send a pseudo login or logout message for everyone not in sync with
3400 * the global zephyr buddy list.  The list is updated regardless of
3401 * the status of 'notify'.
3402 */
3403void owl_function_zephyr_buddy_check(int notify)
3404{
3405#ifdef HAVE_LIBZEPHYR
3406  int i, j;
3407  owl_list anyone;
3408  owl_zbuddylist *zbl;
3409  GList **zaldlist;
3410  GList *zaldptr;
3411  ZAsyncLocateData_t *zald;
3412  const char *user;
3413
3414  if (!owl_global_is_havezephyr(&g)) return;
3415  owl_global_set_pseudologin_notify(&g, notify);
3416  zbl = owl_global_get_zephyr_buddylist(&g);
3417  zaldlist = owl_global_get_zaldlist(&g);
3418
3419  /* Clear the existing ZALDs first. */
3420  zaldptr = g_list_first(*zaldlist);
3421  while (zaldptr) {
3422    ZFreeALD(zaldptr->data);
3423    owl_free(zaldptr->data);
3424    zaldptr = g_list_next(zaldptr);
3425  }
3426  g_list_free(*zaldlist);
3427  *zaldlist = NULL;
3428
3429  owl_list_create(&anyone);
3430  owl_zephyr_get_anyone_list(&anyone, NULL);
3431  j = owl_list_get_size(&anyone);
3432  for (i = 0; i < j; i++) {
3433    user = owl_list_get_element(&anyone, i);
3434    zald = owl_malloc(sizeof(ZAsyncLocateData_t));
3435    if (ZRequestLocations(zstr(user), zald, UNACKED, ZAUTH) == ZERR_NONE) {
3436      *zaldlist = g_list_append(*zaldlist, zald);
3437    } else {
3438      owl_free(zald);
3439    }
3440  }
3441
3442  owl_list_cleanup(&anyone, owl_free);
3443#endif
3444}
3445
3446void owl_function_aimsearch_results(const char *email, owl_list *namelist)
3447{
3448  owl_fmtext fm;
3449  int i, j;
3450
3451  owl_fmtext_init_null(&fm);
3452  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3453  owl_fmtext_append_normal(&fm, email);
3454  owl_fmtext_append_normal(&fm, ":\n");
3455
3456  j=owl_list_get_size(namelist);
3457  for (i=0; i<j; i++) {
3458    owl_fmtext_append_normal(&fm, "  ");
3459    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3460    owl_fmtext_append_normal(&fm, "\n");
3461  }
3462
3463  owl_function_popless_fmtext(&fm);
3464  owl_fmtext_cleanup(&fm);
3465}
3466
3467int owl_function_get_color_count(void)
3468{
3469     return COLORS;
3470}
3471
3472void owl_function_mask_sigint(sigset_t *oldmask) {
3473  sigset_t intr;
3474
3475  sigemptyset(&intr);
3476  sigaddset(&intr, SIGINT);
3477  sigprocmask(SIG_BLOCK, &intr, oldmask);
3478}
3479
3480void owl_function_unmask_sigint(sigset_t *oldmask) {
3481  sigset_t intr;
3482
3483  sigemptyset(&intr);
3484  sigaddset(&intr, SIGINT);
3485  sigprocmask(SIG_UNBLOCK, &intr, oldmask);
3486}
3487
3488void _owl_function_mark_message(const owl_message *m)
3489{
3490  if (m) {
3491    owl_global_set_markedmsgid(&g, owl_message_get_id(m));
3492    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3493  }
3494}
3495
3496void owl_function_mark_message(void)
3497{
3498  const owl_message *m;
3499  const owl_view *v;
3500
3501  v=owl_global_get_current_view(&g);
3502
3503  /* bail if there's no current message */
3504  if (owl_view_get_size(v) < 1) {
3505    owl_function_error("No messages to mark");
3506    return;
3507  }
3508
3509  /* mark the message */
3510  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3511  _owl_function_mark_message(m);
3512  owl_function_makemsg("Mark set");
3513}
3514
3515void owl_function_swap_cur_marked(void)
3516{
3517  int marked_id;
3518  const owl_message *m;
3519  const owl_view *v;
3520
3521  marked_id=owl_global_get_markedmsgid(&g);
3522  if (marked_id == -1) {
3523    owl_function_error("Mark not set.");
3524    return;
3525  }
3526
3527  v=owl_global_get_current_view(&g);
3528  /* bail if there's no current message */
3529  if (owl_view_get_size(v) < 1) {
3530    return;
3531  }
3532
3533  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
3534  _owl_function_mark_message(m);
3535  owl_global_set_curmsg(&g, owl_view_get_nearest_to_msgid(v, marked_id));
3536  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
3537  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3538  owl_global_set_direction_downwards(&g);
3539}
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