source: functions.c @ 56330ff

barnowl_perlaimdebianowlrelease-1.10release-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 56330ff was 56330ff, checked in by James M. Kretchmar <kretch@mit.edu>, 22 years ago
Moved zsig generation to the zwrite object Print the zsig used for outgoing messages
  • Property mode set to 100644
File size: 63.7 KB
Line 
1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <string.h>
6#include <com_err.h>
7#include <time.h>
8#include "owl.h"
9
10static const char fileIdent[] = "$Id$";
11
12void owl_function_noop(void) {
13  return;
14}
15
16char *owl_function_command(char *cmdbuff) {
17  owl_function_debugmsg("executing command: %s", cmdbuff);
18  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
19                             owl_global_get_context(&g), cmdbuff);
20}
21
22void owl_function_command_norv(char *cmdbuff) {
23  char *rv;
24  rv=owl_function_command(cmdbuff);
25  if (rv) owl_free(rv);
26}
27
28void owl_function_command_alias(char *alias_from, char *alias_to) {
29  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
30}
31
32owl_cmd *owl_function_get_cmd(char *name) {
33  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
34}
35
36void owl_function_show_commands() {
37  owl_list l;
38  owl_fmtext fm;
39
40  owl_fmtext_init_null(&fm);
41  owl_fmtext_append_bold(&fm, "Commands:  ");
42  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
43  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
44  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
45  owl_fmtext_append_normal(&fm, "\n");
46  owl_function_popless_fmtext(&fm);
47  owl_cmddict_namelist_free(&l);
48  owl_fmtext_free(&fm);
49}
50
51char *owl_function_cmd_describe(void *name) {
52  owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
53  if (cmd) return owl_cmd_describe(cmd);
54  else return(NULL);
55}
56
57void owl_function_show_command(char *name) {
58  owl_function_help_for_command(name);
59}
60
61void owl_function_adminmsg(char *header, char *body) {
62  owl_message *m;
63  int followlast;
64
65  followlast=owl_global_should_followlast(&g);
66  m=owl_malloc(sizeof(owl_message));
67  owl_message_create_admin(m, header, body);
68  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
69  owl_view_consider_message(owl_global_get_current_view(&g), m);
70
71  if (followlast) owl_function_lastmsg_noredisplay();
72
73  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
74  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
75    owl_popwin_refresh(owl_global_get_popwin(&g));
76  }
77 
78  wnoutrefresh(owl_global_get_curs_recwin(&g));
79  owl_global_set_needrefresh(&g);
80}
81
82void owl_function_make_outgoing_zephyr(char *header, char *body, char *zwriteline, char *zsig) {
83  owl_message *m;
84  int followlast;
85  owl_zwrite z;
86  char *tobuff, *recip;
87 
88  followlast=owl_global_should_followlast(&g);
89
90  /* create a zwrite for the purpose of filling in other message fields */
91  owl_zwrite_create_from_line(&z, zwriteline);
92
93  /* in 'tobuff' place the "Message sent to foo" string.
94   * Right now this only works for one recipient */
95  tobuff=owl_malloc(strlen(owl_zwrite_get_recip_n(&z, 0))+100);
96  sprintf(tobuff, "Zephyr sent to %s  (Zsig: %s)", owl_zwrite_get_recip_n(&z, 0), zsig);
97
98  /* create the message */
99  m=owl_malloc(sizeof(owl_message));
100  owl_message_create(m,  tobuff, body);
101  owl_message_set_direction_out(m);
102  owl_message_set_type_zephyr(m);
103
104  /* set zwriteline */
105  owl_message_set_zwriteline(m, zwriteline);
106
107  owl_message_set_class(m, owl_zwrite_get_class(&z));
108  owl_message_set_instance(m, owl_zwrite_get_instance(&z));
109  owl_message_set_opcode(m, owl_zwrite_get_opcode(&z));
110  owl_message_set_realm(m, owl_zwrite_get_realm(&z));
111  owl_message_set_sender(m, ZGetSender());
112  /* this only gets the first recipient for now, must fix */
113  recip=long_zuser(owl_zwrite_get_recip_n(&z, 0));
114  owl_message_set_recipient(m, recip);
115  owl_free(recip);
116
117  /* add it to the global list */
118  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
119  owl_view_consider_message(owl_global_get_current_view(&g), m);
120
121  if (followlast) owl_function_lastmsg_noredisplay();
122
123  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
124  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
125    owl_popwin_refresh(owl_global_get_popwin(&g));
126  }
127 
128  wnoutrefresh(owl_global_get_curs_recwin(&g));
129  owl_global_set_needrefresh(&g);
130  owl_free(tobuff);
131  owl_zwrite_free(&z);
132}
133
134void owl_function_zwrite_setup(char *line) {
135  owl_editwin *e;
136  char buff[1024];
137  owl_zwrite z;
138  int ret;
139
140  /* check the arguments */
141  ret=owl_zwrite_create_from_line(&z, line);
142  if (ret) {
143    owl_function_makemsg("Error in zwrite arugments");
144    owl_zwrite_free(&z);
145    return;
146  }
147
148  /* send a ping if necessary */
149  if (owl_global_is_txping(&g)) {
150    owl_zwrite_send_ping(&z);
151  }
152  owl_zwrite_free(&z);
153
154  /* create and setup the editwin */
155  e=owl_global_get_typwin(&g);
156  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
157
158  if (!owl_global_get_lockout_ctrld(&g)) {
159    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
160  } else {
161    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
162  }
163
164  owl_editwin_clear(e);
165  owl_editwin_set_dotsend(e);
166  strcpy(buff, "----> ");
167  strcat(buff, line);
168  strcat(buff, "\n");
169  owl_editwin_set_locktext(e, buff);
170
171  /* make it active */
172  owl_global_set_typwin_active(&g);
173}
174
175void owl_function_zwrite(char *line) {
176  char *tmpbuff, buff[1024];
177  owl_zwrite z;
178  int i, j;
179
180  /* create the zwrite and send the message */
181  owl_zwrite_create_from_line(&z, line);
182  owl_zwrite_send_message(&z, owl_editwin_get_text(owl_global_get_typwin(&g)));
183  owl_function_makemsg("Waiting for ack...");
184
185  /* display the message as an outgoing message in the receive window */
186  if (owl_global_is_displayoutgoing(&g) && owl_zwrite_is_personal(&z)) {
187    owl_zwrite_get_recipstr(&z, buff);
188    tmpbuff = owl_sprintf("Message sent to %s", buff);
189    owl_function_make_outgoing_zephyr(tmpbuff, owl_editwin_get_text(owl_global_get_typwin(&g)), line, owl_zwrite_get_zsig(&z));
190    owl_free(tmpbuff);
191  }
192
193  /* log it if we have logging turned on */
194  if (owl_global_is_logging(&g) && owl_zwrite_is_personal(&z)) {
195    j=owl_zwrite_get_numrecips(&z);
196    for (i=0; i<j; i++) {
197      owl_log_outgoing(owl_zwrite_get_recip_n(&z, i),
198                       owl_editwin_get_text(owl_global_get_typwin(&g)));
199    }
200  }
201
202  /* free the zwrite */
203  owl_zwrite_free(&z);
204}
205
206
207/* If filter is non-null, looks for the next message matching
208 * that filter.  If skip_deleted, skips any deleted messages.
209 * If last_if_none, will stop at the last message in the view
210 * if no matching messages are found.  */
211void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none) {
212  int curmsg, i, viewsize, found;
213  owl_view *v;
214  owl_filter *f = NULL;
215  owl_message *m;
216
217  v=owl_global_get_current_view(&g);
218
219  if (filter) {
220    f=owl_global_get_filter(&g, filter);
221    if (!f) {
222      owl_function_makemsg("No %s filter defined", filter);
223      return;
224    }
225  }
226
227  curmsg=owl_global_get_curmsg(&g);
228  viewsize=owl_view_get_size(v);
229  found=0;
230
231  /* just check to make sure we're in bounds... */
232  if (curmsg>viewsize-1) curmsg=viewsize-1;
233  if (curmsg<0) curmsg=0;
234
235  for (i=curmsg+1; i<viewsize; i++) {
236    m=owl_view_get_element(v, i);
237    if (skip_deleted && owl_message_is_delete(m)) continue;
238    if (f && !owl_filter_message_match(f, m)) continue;
239    found = 1;
240    break;
241  }
242
243  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
244
245  if (!found) {
246    owl_function_makemsg("already at last%s message%s%s",
247                         skip_deleted?" non-deleted":"",
248                         filter?" in ":"", filter?filter:"");
249    if (!skip_deleted) owl_function_beep();
250  }
251
252  if (last_if_none || found) {
253    owl_global_set_curmsg(&g, i);
254    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
255    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
256    owl_global_set_direction_downwards(&g);
257  }
258}
259
260void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none) {
261  int curmsg, i, viewsize, found;
262  owl_view *v;
263  owl_filter *f = NULL;
264  owl_message *m;
265
266  v=owl_global_get_current_view(&g);
267
268  if (filter) {
269    f=owl_global_get_filter(&g, filter);
270    if (!f) {
271      owl_function_makemsg("No %s filter defined", filter);
272      return;
273    }
274  }
275
276  curmsg=owl_global_get_curmsg(&g);
277  viewsize=owl_view_get_size(v);
278  found=0;
279
280  /* just check to make sure we're in bounds... */
281  if (curmsg<0) curmsg=0;
282
283  for (i=curmsg-1; i>=0; i--) {
284    m=owl_view_get_element(v, i);
285    if (skip_deleted && owl_message_is_delete(m)) continue;
286    if (f && !owl_filter_message_match(f, m)) continue;
287    found = 1;
288    break;
289  }
290
291  if (i<0) i=0;
292
293  if (!found) {
294    owl_function_makemsg("already at first%s message%s%s",
295                         skip_deleted?" non-deleted":"",
296                         filter?" in ":"", filter?filter:"");
297    if (!skip_deleted) owl_function_beep();
298  }
299
300  if (first_if_none || found) {
301    owl_global_set_curmsg(&g, i);
302    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
303    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
304    owl_global_set_direction_upwards(&g);
305  }
306}
307
308void owl_function_nextmsg() {
309  owl_function_nextmsg_full(NULL, 0, 1);
310}
311
312
313void owl_function_prevmsg() {
314  owl_function_prevmsg_full(NULL, 0, 1);
315}
316
317void owl_function_nextmsg_notdeleted() {
318  owl_function_nextmsg_full(NULL, 1, 1);
319}
320
321void owl_function_prevmsg_notdeleted() {
322  owl_function_prevmsg_full(NULL, 1, 1);
323}
324
325
326void owl_function_nextmsg_personal() {
327  owl_function_nextmsg_full("personal", 0, 0);
328}
329
330void owl_function_prevmsg_personal() {
331  owl_function_prevmsg_full("personal", 0, 0);
332}
333
334
335/* if move_after is 1, moves after the delete */
336void owl_function_deletecur(int move_after) {
337  int curmsg;
338  owl_view *v;
339
340  v=owl_global_get_current_view(&g);
341
342  /* bail if there's no current message */
343  if (owl_view_get_size(v) < 1) {
344    owl_function_makemsg("No current message to delete");
345    return;
346  }
347
348  /* mark the message for deletion */
349  curmsg=owl_global_get_curmsg(&g);
350  owl_view_delete_element(v, curmsg);
351
352  if (move_after) {
353    /* move the poiner in the appropriate direction
354     * to the next undeleted msg */
355    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
356      owl_function_prevmsg_notdeleted();
357    } else {
358      owl_function_nextmsg_notdeleted();
359    }
360  }
361}
362
363
364void owl_function_undeletecur(int move_after) {
365  int curmsg;
366  owl_view *v;
367
368  v=owl_global_get_current_view(&g);
369 
370  if (owl_view_get_size(v) < 1) {
371    owl_function_makemsg("No current message to undelete");
372    return;
373  }
374  curmsg=owl_global_get_curmsg(&g);
375
376  owl_view_undelete_element(v, curmsg);
377
378  if (move_after) {
379    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
380      if (curmsg>0) {
381        owl_function_prevmsg();
382      } else {
383        owl_function_nextmsg();
384      }
385    } else {
386      owl_function_nextmsg();
387    }
388  }
389
390  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
391}
392
393
394void owl_function_expunge() {
395  int curmsg;
396  owl_message *m;
397  owl_messagelist *ml;
398  owl_view *v;
399  int i, j;
400
401  curmsg=owl_global_get_curmsg(&g);
402  v=owl_global_get_current_view(&g);
403  ml=owl_global_get_msglist(&g);
404
405  /* just check to make sure we're in bounds... */
406  if (curmsg>owl_view_get_size(v)-1) curmsg=owl_view_get_size(v)-1;
407  if (curmsg<0) curmsg=0;
408
409  /* first try to move to an undeleted message in the view*/
410  m=owl_view_get_element(v, curmsg);
411  if (owl_message_is_delete(m)) {
412    /* try to find the next undeleted message */
413    j=owl_view_get_size(v);
414    for (i=curmsg; i<j; i++) {
415      if (!owl_message_is_delete(owl_view_get_element(v, i))) {
416        owl_global_set_curmsg(&g, i);
417        break;
418      }
419    }
420
421    /* if we weren't successful try to find one backwards */
422    if (owl_message_is_delete(owl_view_get_element(v, curmsg))) {
423      for (i=curmsg; i>0; i--) {
424        if (!owl_message_is_delete(owl_view_get_element(v, i))) {
425          owl_global_set_curmsg(&g, i);
426          break;
427        }
428      }
429    }
430  }
431
432  /* expunge the message list */
433  owl_messagelist_expunge(ml);
434
435  /* update all views (we only have one right now) */
436  owl_view_recalculate(v);
437
438  if (curmsg>owl_view_get_size(v)-1) {
439    owl_global_set_curmsg(&g, owl_view_get_size(v)-1);
440    if (owl_global_get_curmsg(&g)<0) {
441      owl_global_set_curmsg(&g, 0);
442    }
443    owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
444  }
445
446  /* if there are no messages set the direction to down in case we
447     delete everything upwards */
448  owl_global_set_direction_downwards(&g);
449 
450  owl_function_makemsg("Messages expunged");
451  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
452}
453
454
455void owl_function_firstmsg() {
456  owl_global_set_curmsg(&g, 0);
457  owl_global_set_topmsg(&g, 0);
458  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
459  owl_global_set_direction_downwards(&g);
460}
461
462void owl_function_lastmsg_noredisplay() {
463  int oldcurmsg, curmsg;
464  owl_view *v;
465
466  v=owl_global_get_current_view(&g);
467  oldcurmsg=owl_global_get_curmsg(&g);
468  curmsg=owl_view_get_size(v)-1; 
469  if (curmsg<0) curmsg=0;
470  owl_global_set_curmsg(&g, curmsg);
471  if (oldcurmsg < curmsg) {
472    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
473  } else if (curmsg<owl_view_get_size(v)) {
474    /* If already at the end, blank the screen and move curmsg
475     * past the end of the messages. */
476    owl_global_set_topmsg(&g, curmsg+1);
477    owl_global_set_curmsg(&g, curmsg+1);
478  } 
479  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
480  owl_global_set_direction_downwards(&g);
481}
482
483void owl_function_lastmsg() {
484  owl_function_lastmsg_noredisplay();
485  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
486}
487
488void owl_function_shift_right() {
489  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
490  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
491  owl_global_set_needrefresh(&g);
492}
493
494
495void owl_function_shift_left() {
496  int shift;
497
498  shift=owl_global_get_rightshift(&g);
499  if (shift>=10) {
500    owl_global_set_rightshift(&g, shift-10);
501    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
502    owl_global_set_needrefresh(&g);
503  } else {
504    owl_function_beep();
505    owl_function_makemsg("Already full left");
506  }
507}
508
509
510void owl_function_unsuball() {
511  unsuball();
512  owl_function_makemsg("Unsubscribed from all messages.");
513}
514
515void owl_function_loadsubs(char *file) {
516  int ret;
517  ret=owl_zephyr_loadsubs(file);
518  if (ret==0) {
519    owl_function_makemsg("Subscribed to messages from file.");
520  } else if (ret==-1) {
521    owl_function_makemsg("Could not open file.");
522  } else {
523    owl_function_makemsg("Error subscribing to messages from file.");
524  }
525}
526
527void owl_function_suspend() {
528  endwin();
529  printf("\n");
530  kill(getpid(), SIGSTOP);
531
532  /* resize to reinitialize all the windows when we come back */
533  owl_command_resize();
534}
535
536void owl_function_zaway_toggle() {
537  if (!owl_global_is_zaway(&g)) {
538    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
539    owl_function_zaway_on();
540  } else {
541    owl_function_zaway_off();
542  }
543}
544
545void owl_function_zaway_on() {
546  owl_global_set_zaway_on(&g);
547  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
548}
549
550void owl_function_zaway_off() {
551  owl_global_set_zaway_off(&g);
552  owl_function_makemsg("zaway off");
553}
554
555void owl_function_quit() {
556  char *ret;
557 
558  /* zlog out if we need to */
559  if (owl_global_is_shutdownlogout(&g)) {
560    owl_function_zlog_out();
561  }
562
563  /* execute the commands in shutdown */
564  ret = owl_config_execute("owl::shutdown();");
565  if (ret) owl_free(ret);
566
567  /* final clean up */
568  unsuball();
569  ZClosePort();
570  endwin();
571  owl_function_debugmsg("Quitting Owl");
572  exit(0);
573}
574
575
576void owl_function_zlog_in() {
577  char *exposure, *eset;
578  int ret;
579
580  eset=EXPOSE_REALMVIS;
581  exposure=ZGetVariable("exposure");
582  if (exposure==NULL) {
583    eset=EXPOSE_REALMVIS;
584  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
585    eset = EXPOSE_NONE;
586  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
587    eset = EXPOSE_OPSTAFF;
588  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
589    eset = EXPOSE_REALMVIS;
590  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
591    eset = EXPOSE_REALMANN;
592  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
593    eset = EXPOSE_NETVIS;
594  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
595    eset = EXPOSE_NETANN;
596  }
597   
598  ret=ZSetLocation(eset);
599  if (ret != ZERR_NONE) {
600    /*
601      char buff[LINE];
602      sprintf(buff, "Error setting location: %s", error_message(ret));
603      owl_function_makemsg(buff);
604    */
605  }
606}
607
608void owl_function_zlog_out() {
609  int ret;
610 
611  ret=ZUnsetLocation();
612  if (ret != ZERR_NONE) {
613    /*
614      char buff[LINE];
615      sprintf(buff, "Error unsetting location: %s", error_message(ret));
616      owl_function_makemsg(buff);
617    */
618  }
619}
620
621
622void owl_function_makemsg(char *fmt, ...) {
623  va_list ap;
624  char buff[2048];
625
626  va_start(ap, fmt);
627  werase(owl_global_get_curs_msgwin(&g));
628 
629  vsnprintf(buff, 2048, fmt, ap);
630  owl_function_debugmsg("makemsg: %s", buff);
631  waddstr(owl_global_get_curs_msgwin(&g), buff); 
632  wnoutrefresh(owl_global_get_curs_msgwin(&g));
633  owl_global_set_needrefresh(&g);
634  va_end(ap);
635}
636
637void owl_function_errormsg(char *fmt, ...) {
638  va_list ap;
639  char buff[2048];
640
641  va_start(ap, fmt);
642  werase(owl_global_get_curs_msgwin(&g));
643 
644  vsnprintf(buff, 2048, fmt, ap);
645  owl_function_debugmsg("ERROR: %s", buff);
646  waddstr(owl_global_get_curs_msgwin(&g), buff); 
647  waddstr(owl_global_get_curs_msgwin(&g), "ERROR: "); 
648  wnoutrefresh(owl_global_get_curs_msgwin(&g));
649  owl_global_set_needrefresh(&g);
650  va_end(ap);
651}
652
653
654void owl_function_openurl() {
655  /* visit the first url in the current message */
656  owl_message *m;
657  owl_view *v;
658  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
659  int webbrowser;
660
661  webbrowser = owl_global_get_webbrowser(&g);
662
663  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
664    owl_function_makemsg("No browser selected");
665    return;
666  }
667
668  v=owl_global_get_current_view(&g);
669 
670  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
671
672  if (!m || owl_view_get_size(v)==0) {
673    owl_function_makemsg("No current message selected");
674    return;
675  }
676
677  text=owl_message_get_text(m);
678
679  /* First look for a good URL */ 
680  if ((ptr1=strstr(text, "http://"))!=NULL) {
681    ptr2=strpbrk(ptr1, " \n\t");
682    if (ptr2) {
683      strncpy(url, ptr1, ptr2-ptr1+1);
684      url[ptr2-ptr1+1]='\0';
685    } else {
686      strcpy(url, ptr1);
687    }
688
689    /* if we had <http strip a trailing > */
690    if (ptr1>text && ptr1[-1]=='<') {
691      if (url[strlen(url)-1]=='>') {
692        url[strlen(url)-1]='\0';
693      }
694    }
695  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
696    /* Look for an https URL */ 
697    ptr2=strpbrk(ptr1, " \n\t");
698    if (ptr2) {
699      strncpy(url, ptr1, ptr2-ptr1+1);
700      url[ptr2-ptr1+1]='\0';
701    } else {
702      strcpy(url, ptr1);
703    }
704   
705    /* if we had <http strip a trailing > */
706    if (ptr1>text && ptr1[-1]=='<') {
707      if (url[strlen(url)-1]=='>') {
708        url[strlen(url)-1]='\0';
709      }
710    }
711  } else if ((ptr1=strstr(text, "www."))!=NULL) {
712    /* if we can't find a real url look for www.something */
713    ptr2=strpbrk(ptr1, " \n\t");
714    if (ptr2) {
715      strncpy(url, ptr1, ptr2-ptr1+1);
716      url[ptr2-ptr1+1]='\0';
717    } else {
718      strcpy(url, ptr1);
719    }
720  } else {
721    owl_function_beep();
722    owl_function_makemsg("Could not find URL to open.");
723    return;
724  }
725
726  /* Make sure there aren't any quotes or \'s in the url */
727  for (ptr1 = url; *ptr1; ptr1++) {
728    if (*ptr1 == '"' || *ptr1 == '\\') {
729      owl_function_beep();
730      owl_function_makemsg("URL contains invalid characters.");
731      return;
732    }
733  }
734 
735  /* NOTE: There are potentially serious security issues here... */
736
737  /* open the page */
738  owl_function_makemsg("Opening %s", url);
739  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
740    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
741    system(tmpbuff); 
742  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
743    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
744    system(tmpbuff); 
745  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
746    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
747    system(tmpbuff); 
748  }
749}
750
751void owl_function_calculate_topmsg(int direction) {
752  int recwinlines, topmsg, curmsg;
753  owl_view *v;
754
755  v=owl_global_get_current_view(&g);
756  curmsg=owl_global_get_curmsg(&g);
757  topmsg=owl_global_get_topmsg(&g);
758  recwinlines=owl_global_get_recwin_lines(&g);
759
760  if (owl_view_get_size(v) < 1) {
761    return;
762  }
763
764  switch (owl_global_get_scrollmode(&g)) {
765  case OWL_SCROLLMODE_TOP:
766    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg,
767                                               topmsg, recwinlines);
768    break;
769  case OWL_SCROLLMODE_NEARTOP:
770    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, 
771                                                   topmsg, recwinlines);
772    break;
773  case OWL_SCROLLMODE_CENTER:
774    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg,
775                                                  topmsg, recwinlines);
776    break;
777  case OWL_SCROLLMODE_PAGED:
778    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, 
779                                                 topmsg, recwinlines, 0);
780    break;
781  case OWL_SCROLLMODE_PAGEDCENTER:
782    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, 
783                                                 topmsg, recwinlines, 1);
784    break;
785  case OWL_SCROLLMODE_NORMAL:
786  default:
787    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg,
788                                                  topmsg, recwinlines);
789  }
790  owl_global_set_topmsg(&g, topmsg);
791}
792
793/* Returns what the new topmsg should be. 
794 * Passed the last direction of movement,
795 * the current view,
796 * the current message number in the view,
797 * the top message currently being displayed,
798 * and the number of lines in the recwin.
799 */
800int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
801  return curmsg;
802}
803
804int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
805  if (curmsg>0 
806      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
807          <  recwinlines/2)) {
808    return curmsg-1;
809  } else {
810    return curmsg;
811  }
812}
813 
814int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
815  int i, last, lines;
816
817  last = curmsg;
818  lines = 0;
819  for (i=curmsg-1; i>=0; i--) {
820    lines += owl_message_get_numlines(owl_view_get_element(v, i));
821    if (lines > recwinlines/2) break;
822    last = i;
823  }
824  return last;
825}
826 
827int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page) {
828  int i, last, lines, savey;
829 
830  /* If we're off the top of the screen, scroll up such that the
831   * curmsg is near the botton of the screen. */
832  if (curmsg < topmsg) {
833    last = curmsg;
834    lines = 0;
835    for (i=curmsg; i>=0; i--) {
836      lines += owl_message_get_numlines(owl_view_get_element(v, i));
837      if (lines > recwinlines) break;
838    last = i;
839    }
840    if (center_on_page) {
841      return owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
842    } else {
843      return last;
844    }
845  }
846
847  /* Find number of lines from top to bottom of curmsg (store in savey) */
848  savey=0;
849  for (i=topmsg; i<=curmsg; i++) {
850    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
851  }
852
853  /* if we're off the bottom of the screen, scroll down */
854  if (savey > recwinlines) {
855    if (center_on_page) {
856      return owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
857    } else {
858      return curmsg;
859    }
860  }
861
862  /* else just stay as we are... */
863  return topmsg;
864}
865
866
867int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
868  int savey, j, i, foo, y;
869 
870  /* Find number of lines from top to bottom of curmsg (store in savey) */
871  savey=0;
872  for (i=topmsg; i<=curmsg; i++) {
873    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
874  }
875
876  /* If the direction is DOWNWARDS but we're off the bottom of the
877   *  screen, then set the topmsg to curmsg and scroll UPWARDS
878   */
879  if (direction == OWL_DIRECTION_DOWNWARDS) {
880    if (savey > recwinlines) {
881      topmsg=curmsg;
882      savey=owl_message_get_numlines(owl_view_get_element(v, i));
883      direction=OWL_DIRECTION_UPWARDS;
884    }
885  }
886
887  /* If our bottom line is less than 1/4 down the screen then scroll up */
888  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
889    if (savey < (recwinlines / 4)) {
890      y=0;
891      for (j=curmsg; j>=0; j--) {
892        foo=owl_message_get_numlines(owl_view_get_element(v, j));
893        /* will we run the curmsg off the screen? */
894        if ((foo+y) >= recwinlines) {
895          j++;
896          if (j>curmsg) j=curmsg;
897          break;
898        }
899        /* have saved 1/2 the screen space? */
900        y+=foo;
901        if (y > (recwinlines / 2)) break;
902      }
903      if (j<0) j=0;
904      return j;
905    }
906  }
907
908  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
909    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
910    if (savey > ((recwinlines * 3)/4)) {
911      y=0;
912      /* count lines from the top until we can save 1/2 the screen size */
913      for (j=topmsg; j<curmsg; j++) {
914        y+=owl_message_get_numlines(owl_view_get_element(v, j));
915        if (y > (recwinlines / 2)) break;
916      }
917      if (j==curmsg) {
918        j--;
919      }
920      return j+1;
921    }
922  }
923
924  return topmsg;
925}
926
927
928void owl_function_resize() {
929  owl_global_set_resize_pending(&g);
930}
931
932
933void owl_function_run_buffercommand() {
934  char *buff;
935
936  buff=owl_global_get_buffercommand(&g);
937  if (!strncmp(buff, "zwrite ", 7)) {
938
939    owl_function_zwrite(buff);
940  }
941}
942
943void owl_function_debugmsg(char *fmt, ...) {
944  FILE *file;
945  time_t now;
946  char buff1[LINE], buff2[LINE];
947  va_list ap;
948  va_start(ap, fmt);
949
950  if (!owl_global_is_debug_fast(&g)) return;
951
952  file=fopen(owl_global_get_debug_file(&g), "a");
953  if (!file) return;
954
955  now=time(NULL);
956  strcpy(buff1, ctime(&now));
957  buff1[strlen(buff1)-1]='\0';
958
959  owl_global_get_runtime_string(&g, buff2);
960 
961  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
962  vfprintf(file, fmt, ap);
963  fprintf(file, "\n");
964  fclose(file);
965
966  va_end(ap);
967}
968
969
970void owl_function_refresh() {
971  owl_function_resize();
972}
973
974void owl_function_beep() {
975  if (owl_global_is_bell(&g)) {
976    beep();
977  }
978}
979
980
981void owl_function_subscribe(char *class, char *inst, char *recip) {
982  int ret;
983
984  ret=owl_zephyr_sub(class, inst, recip);
985  if (ret) {
986    owl_function_makemsg("Error subscribing.");
987  } else {
988    owl_function_makemsg("Subscribed.");
989  }
990}
991
992
993void owl_function_unsubscribe(char *class, char *inst, char *recip) {
994  int ret;
995
996  ret=owl_zephyr_unsub(class, inst, recip);
997  if (ret) {
998    owl_function_makemsg("Error subscribing.");
999  } else {
1000    owl_function_makemsg("Unsubscribed.");
1001  }
1002}
1003
1004
1005void owl_function_set_cursor(WINDOW *win) {
1006  wnoutrefresh(win);
1007}
1008
1009
1010void owl_function_full_redisplay() {
1011  redrawwin(owl_global_get_curs_recwin(&g));
1012  redrawwin(owl_global_get_curs_sepwin(&g));
1013  redrawwin(owl_global_get_curs_typwin(&g));
1014  redrawwin(owl_global_get_curs_msgwin(&g));
1015
1016  wnoutrefresh(owl_global_get_curs_recwin(&g));
1017  wnoutrefresh(owl_global_get_curs_sepwin(&g));
1018  wnoutrefresh(owl_global_get_curs_typwin(&g));
1019  wnoutrefresh(owl_global_get_curs_msgwin(&g));
1020 
1021  sepbar("");
1022  owl_function_makemsg("");
1023
1024  owl_global_set_needrefresh(&g);
1025}
1026
1027
1028void owl_function_popless_text(char *text) {
1029  owl_popwin *pw;
1030  owl_viewwin *v;
1031
1032  pw=owl_global_get_popwin(&g);
1033  v=owl_global_get_viewwin(&g);
1034
1035  owl_popwin_up(pw);
1036  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1037                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1038                        text);
1039  owl_popwin_refresh(pw);
1040  owl_viewwin_redisplay(v, 0);
1041  owl_global_set_needrefresh(&g);
1042}
1043
1044
1045void owl_function_popless_fmtext(owl_fmtext *fm) {
1046  owl_popwin *pw;
1047  owl_viewwin *v;
1048
1049  pw=owl_global_get_popwin(&g);
1050  v=owl_global_get_viewwin(&g);
1051
1052  owl_popwin_up(pw);
1053  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1054                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1055                   fm);
1056  owl_popwin_refresh(pw);
1057  owl_viewwin_redisplay(v, 0);
1058  owl_global_set_needrefresh(&g);
1059}
1060
1061void owl_function_about() {
1062  char buff[5000];
1063
1064  sprintf(buff, "This is owl version %s\n", OWL_VERSION_STRING);
1065  strcat(buff, "\nOwl was written by James Kretchmar at the Massachusetts\n");
1066  strcat(buff, "Institute of Technology.  The first version, 0.5, was\n");
1067  strcat(buff, "released in March 2002\n");
1068  strcat(buff, "\n");
1069  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1070  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1071  strcat(buff, "between Witches and Wizards.\n");
1072  strcat(buff, "\n");
1073  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1074  strcat(buff, "\n");
1075  strcat(buff, "Permission to use, copy, modify, and distribute this\n");
1076  strcat(buff, "software and its documentation for any purpose and without\n");
1077  strcat(buff, "fee is hereby granted, provided that the above copyright\n");
1078  strcat(buff, "notice and this permission notice appear in all copies\n");
1079  strcat(buff, "and in supporting documentation.  No representation is\n");
1080  strcat(buff, "made about the suitability of this software for any\n");
1081  strcat(buff, "purpose.  It is provided \"as is\" without express\n");
1082  strcat(buff, "or implied warranty.\n");
1083  owl_function_popless_text(buff);
1084}
1085
1086void owl_function_info() {
1087  owl_message *m;
1088  ZNotice_t *n;
1089  char buff[5000], tmpbuff[1024];
1090  char *ptr;
1091  int i, j, fields, len;
1092  owl_view *v;
1093
1094  v=owl_global_get_current_view(&g);
1095  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1096  if (!m || owl_view_get_size(v)==0) {
1097    owl_function_makemsg("No message selected\n");
1098    return;
1099  }
1100
1101  sprintf(buff,     "Msg Id    : %i\n", owl_message_get_id(m));
1102  if (owl_message_is_type_zephyr(m)) {
1103    sprintf(buff, "%sType      : zephyr\n", buff);
1104  } else if (owl_message_is_type_admin(m)) {
1105    sprintf(buff, "%sType      : admin\n", buff);
1106  } else if (owl_message_is_type_generic(m)) {
1107    sprintf(buff, "%sType      : generic\n", buff);
1108  } else {
1109    sprintf(buff, "%sType      : unknown\n", buff);
1110  }
1111  if (owl_message_is_direction_in(m)) {
1112    sprintf(buff, "%sDirection : in\n", buff);
1113  } else if (owl_message_is_direction_out(m)) {
1114    sprintf(buff, "%sDirection : out\n", buff);
1115  } else if (owl_message_is_direction_none(m)) {
1116    sprintf(buff, "%sDirection : none\n", buff);
1117  } else {
1118    sprintf(buff, "%sDirection : unknown\n", buff);
1119  }
1120  sprintf(buff, "%sTime      : %s\n", buff, owl_message_get_timestr(m));
1121
1122  if (!owl_message_is_type_zephyr(m)) {
1123    owl_function_popless_text(buff);
1124    return;
1125  }
1126
1127
1128  if (owl_message_is_direction_out(m)) {
1129    sprintf(buff, "%sClass     : %s\n", buff, owl_message_get_class(m));
1130    sprintf(buff, "%sInstance  : %s\n", buff, owl_message_get_instance(m));
1131    sprintf(buff, "%sSender    : %s\n", buff, owl_message_get_sender(m));
1132    sprintf(buff, "%sRecip     : %s\n", buff, owl_message_get_recipient(m));
1133    sprintf(buff, "%sOpcode    : %s\n", buff, owl_message_get_opcode(m));
1134   
1135    owl_function_popless_text(buff);
1136    return;
1137  }
1138
1139  n=owl_message_get_notice(m);
1140
1141  sprintf(buff, "%sClass     : %s\n", buff, owl_message_get_class(m));
1142  sprintf(buff, "%sInstance  : %s\n", buff, owl_message_get_instance(m));
1143  sprintf(buff, "%sSender    : %s\n", buff, owl_message_get_sender(m));
1144  sprintf(buff, "%sRecip     : %s\n", buff, owl_message_get_recipient(m));
1145  sprintf(buff, "%sOpcode    : %s\n", buff, owl_message_get_opcode(m));
1146  strcat(buff,    "Kind      : ");
1147  if (n->z_kind==UNSAFE) {
1148    strcat(buff, "UNSAFE\n");
1149  } else if (n->z_kind==UNACKED) {
1150    strcat(buff, "UNACKED\n");
1151  } else if (n->z_kind==ACKED) {
1152    strcat(buff, "ACKED\n");
1153  } else if (n->z_kind==HMACK) {
1154    strcat(buff, "HMACK\n");
1155  } else if (n->z_kind==HMCTL) {
1156    strcat(buff, "HMCTL\n");
1157  } else if (n->z_kind==SERVACK) {
1158    strcat(buff, "SERVACK\n");
1159  } else if (n->z_kind==SERVNAK) {
1160    strcat(buff, "SERVNAK\n");
1161  } else if (n->z_kind==CLIENTACK) {
1162    strcat(buff, "CLIENTACK\n");
1163  } else if (n->z_kind==STAT) {
1164    strcat(buff, "STAT\n");
1165  } else {
1166    strcat(buff, "ILLEGAL VALUE\n");
1167  }
1168  sprintf(buff, "%sTime      : %s\n", buff, owl_message_get_timestr(m));
1169  sprintf(buff, "%sHost      : %s\n", buff, owl_message_get_hostname(m));
1170  sprintf(buff, "%sPort      : %i\n", buff, n->z_port);
1171  strcat(buff,    "Auth      : ");
1172  if (n->z_auth == ZAUTH_FAILED) {
1173    strcat(buff, "FAILED\n");
1174  } else if (n->z_auth == ZAUTH_NO) {
1175    strcat(buff, "NO\n");
1176  } else if (n->z_auth == ZAUTH_YES) {
1177    strcat(buff, "YES\n");
1178  } else {
1179    sprintf(buff, "%sUnknown State (%i)\n", buff, n->z_auth);
1180  }
1181  sprintf(buff, "%sCheckd Ath: %i\n", buff, n->z_checked_auth);
1182  sprintf(buff, "%sMulti notc: %s\n", buff, n->z_multinotice);
1183  sprintf(buff, "%sNum other : %i\n", buff, n->z_num_other_fields);
1184  sprintf(buff, "%sMsg Len   : %i\n", buff, n->z_message_len);
1185
1186  sprintf(buff, "%sFields    : %i\n", buff, owl_zephyr_get_num_fields(n));
1187
1188  fields=owl_zephyr_get_num_fields(n);
1189  for (i=0; i<fields; i++) {
1190    sprintf(buff, "%sField %i   : ", buff, i+1);
1191
1192    ptr=owl_zephyr_get_field(n, i+1, &len);
1193    if (!ptr) break;
1194    if (len<30) {
1195      strncpy(tmpbuff, ptr, len);
1196      tmpbuff[len]='\0';
1197    } else {
1198      strncpy(tmpbuff, ptr, 30);
1199      tmpbuff[30]='\0';
1200      strcat(tmpbuff, "...");
1201    }
1202
1203    /* just for testing for now */
1204    for (j=0; j<strlen(tmpbuff); j++) {
1205      if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1206      if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1207    }
1208
1209    strcat(buff, tmpbuff);
1210    strcat(buff, "\n");
1211  }
1212  sprintf(buff, "%sDefault Fm: %s\n", buff, n->z_default_format);
1213       
1214  owl_function_popless_text(buff);
1215}
1216
1217
1218void owl_function_curmsg_to_popwin() {
1219  owl_popwin *pw;
1220  owl_view *v;
1221  owl_message *m;
1222
1223  v = owl_global_get_current_view(&g);
1224
1225  pw=owl_global_get_popwin(&g);
1226
1227  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1228
1229  if (!m || owl_view_get_size(v)==0) {
1230    owl_function_makemsg("No current message");
1231    return;
1232  }
1233
1234  owl_function_popless_fmtext(owl_message_get_fmtext(m));
1235}
1236
1237
1238void owl_function_page_curmsg(int step) {
1239  /* scroll down or up within the current message IF the message is truncated */
1240
1241  int offset, curmsg, lines;
1242  owl_view *v;
1243  owl_message *m;
1244
1245  offset=owl_global_get_curmsg_vert_offset(&g);
1246  v=owl_global_get_current_view(&g);
1247  curmsg=owl_global_get_curmsg(&g);
1248  m=owl_view_get_element(v, curmsg);
1249  if (!m || owl_view_get_size(v)==0) return;
1250  lines=owl_message_get_numlines(m);
1251
1252  if (offset==0) {
1253    /* Bail if the curmsg isn't the last one displayed */
1254    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1255      owl_function_makemsg("The entire message is already displayed");
1256      return;
1257    }
1258   
1259    /* Bail if we're not truncated */
1260    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1261      owl_function_makemsg("The entire message is already displayed");
1262      return;
1263    }
1264  }
1265 
1266 
1267  /* don't scroll past the last line */
1268  if (step>0) {
1269    if (offset+step > lines-1) {
1270      owl_global_set_curmsg_vert_offset(&g, lines-1);
1271    } else {
1272      owl_global_set_curmsg_vert_offset(&g, offset+step);
1273    }
1274  }
1275
1276  /* would we be before the beginning of the message? */
1277  if (step<0) {
1278    if (offset+step<0) {
1279      owl_global_set_curmsg_vert_offset(&g, 0);
1280    } else {
1281      owl_global_set_curmsg_vert_offset(&g, offset+step);
1282    }
1283  }
1284 
1285  /* redisplay */
1286  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1287  owl_global_set_needrefresh(&g);
1288}
1289
1290void owl_function_resize_typwin(int newsize) {
1291  owl_global_set_typwin_lines(&g, newsize);
1292  owl_function_resize();
1293}
1294
1295void owl_function_typwin_grow() {
1296  int i;
1297
1298  i=owl_global_get_typwin_lines(&g);
1299  owl_function_resize_typwin(i+1);
1300}
1301
1302void owl_function_typwin_shrink() {
1303  int i;
1304
1305  i=owl_global_get_typwin_lines(&g);
1306  if (i>2) {
1307    owl_function_resize_typwin(i-1);
1308  }
1309}
1310
1311void owl_function_mainwin_pagedown() {
1312  int i;
1313
1314  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1315  if (i<0) return;
1316  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1317      && (owl_global_get_curmsg(&g) < i)
1318      && (i>0)) {
1319    i--;
1320  }
1321  owl_global_set_curmsg(&g, i);
1322  owl_function_nextmsg();
1323}
1324
1325void owl_function_mainwin_pageup() {
1326  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1327  owl_function_prevmsg();
1328}
1329
1330void owl_function_getsubs() {
1331  int ret, num, i, one;
1332  ZSubscription_t sub;
1333  char *buff, *tmpbuff;
1334
1335  one = 1;
1336
1337  ret=ZRetrieveSubscriptions(0, &num);
1338  if (ret == ZERR_TOOMANYSUBS) {
1339    owl_function_makemsg("Zephyr: too many subscriptions");
1340    return;
1341  }
1342
1343  buff=owl_malloc(num*500);
1344  tmpbuff=owl_malloc(2048);
1345  strcpy(buff, "");
1346  for (i=0; i<num; i++) {
1347    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1348      owl_function_makemsg("Error while getting subscriptions");
1349      owl_free(buff);
1350      owl_free(tmpbuff);
1351      ZFlushSubscriptions();
1352      return;
1353    } else {
1354      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, buff);
1355      strcpy(buff, tmpbuff);
1356    }
1357  }
1358
1359  owl_function_popless_text(buff);
1360  owl_free(buff);
1361  owl_free(tmpbuff);
1362  ZFlushSubscriptions();
1363}
1364
1365#define PABUFLEN 5000
1366void owl_function_printallvars() {
1367  char buff[PABUFLEN], *pos, *name;
1368  owl_list varnames;
1369  int i, numvarnames, rem;
1370
1371  pos = buff;
1372  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1373  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1374  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1375  rem = (buff+PABUFLEN)-pos-1;
1376  numvarnames = owl_list_get_size(&varnames);
1377  for (i=0; i<numvarnames; i++) {
1378    name = owl_list_get_element(&varnames, i);
1379    if (name && name[0]!='_') {
1380      rem = (buff+PABUFLEN)-pos-1;   
1381      pos += snprintf(pos, rem, "\n%-20s = ", name);
1382      rem = (buff+PABUFLEN)-pos-1;   
1383      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1384      pos = buff+strlen(buff);
1385    }
1386  }
1387  rem = (buff+PABUFLEN)-pos-1;   
1388  snprintf(pos, rem, "\n");
1389  owl_variable_dict_namelist_free(&varnames);
1390 
1391  owl_function_popless_text(buff);
1392}
1393
1394void owl_function_show_variables() {
1395  owl_list varnames;
1396  owl_fmtext fm; 
1397  int i, numvarnames;
1398  char *varname;
1399
1400  owl_fmtext_init_null(&fm);
1401  owl_fmtext_append_bold(&fm, 
1402      "Variables: (use 'show variable <name>' for details)\n");
1403  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1404  numvarnames = owl_list_get_size(&varnames);
1405  for (i=0; i<numvarnames; i++) {
1406    varname = owl_list_get_element(&varnames, i);
1407    if (varname && varname[0]!='_') {
1408      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1409    }
1410  }
1411  owl_variable_dict_namelist_free(&varnames);
1412  owl_function_popless_fmtext(&fm);
1413  owl_fmtext_free(&fm);
1414}
1415
1416void owl_function_show_variable(char *name) {
1417  owl_fmtext fm; 
1418
1419  owl_fmtext_init_null(&fm);
1420  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1421  owl_function_popless_fmtext(&fm);
1422  owl_fmtext_free(&fm); 
1423}
1424
1425/* note: this applies to global message list, not to view.
1426 * If flag is 1, deletes.  If flag is 0, undeletes. */
1427void owl_function_delete_by_id(int id, int flag) {
1428  owl_messagelist *ml;
1429  owl_message *m;
1430  ml = owl_global_get_msglist(&g);
1431  m = owl_messagelist_get_by_id(ml, id);
1432  if (m) {
1433    if (flag == 1) {
1434      owl_message_mark_delete(m);
1435    } else if (flag == 0) {
1436      owl_message_unmark_delete(m);
1437    }
1438    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1439    owl_global_set_needrefresh(&g);
1440  } else {
1441    owl_function_makemsg("No message with id %d: unable to mark for (un)delete",id);
1442  }
1443}
1444
1445void owl_function_delete_automsgs() {
1446  /* mark for deletion all messages in the current view that match the
1447   * 'trash' filter */
1448
1449  int i, j, count;
1450  owl_message *m;
1451  owl_view *v;
1452  owl_filter *f;
1453
1454  /* get the trash filter */
1455  f=owl_global_get_filter(&g, "trash");
1456  if (!f) {
1457    owl_function_makemsg("No trash filter defined");
1458    return;
1459  }
1460
1461  v=owl_global_get_current_view(&g);
1462
1463  count=0;
1464  j=owl_view_get_size(v);
1465  for (i=0; i<j; i++) {
1466    m=owl_view_get_element(v, i);
1467    if (owl_filter_message_match(f, m)) {
1468      count++;
1469      owl_message_mark_delete(m);
1470    }
1471  }
1472  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1473  owl_function_makemsg("%i messages marked for deletion", count);
1474  owl_global_set_needrefresh(&g);
1475}
1476
1477
1478void owl_function_status() {
1479  char buff[5000];
1480  time_t start;
1481  int up, days, hours, minutes;
1482
1483  start=owl_global_get_starttime(&g);
1484
1485  sprintf(buff, "Version: %s\n", OWL_VERSION_STRING);
1486  sprintf(buff, "%sScreen size: %i lines, %i columns\n", buff, owl_global_get_lines(&g), owl_global_get_cols(&g));
1487  sprintf(buff, "%sStartup Arugments: %s\n", buff, owl_global_get_startupargs(&g));
1488  sprintf(buff, "%sStartup Time: %s", buff, ctime(&start));
1489
1490  up=owl_global_get_runtime(&g);
1491  days=up/86400;
1492  up-=days*86400;
1493  hours=up/3600;
1494  up-=hours*3600;
1495  minutes=up/60;
1496  up-=minutes*60;
1497  sprintf(buff, "%sRun Time: %i days %2.2i:%2.2i:%2.2i\n", buff, days, hours, minutes, up);
1498
1499  if (owl_global_get_hascolors(&g)) {
1500    sprintf(buff, "%sColor: Yes, %i color pairs.\n", buff, owl_global_get_colorpairs(&g));
1501  } else {
1502    strcat(buff, "Color: No.\n");
1503  }
1504 
1505  owl_function_popless_text(buff);
1506}
1507
1508void owl_function_show_term() {
1509  owl_fmtext fm;
1510  char buff[LINE];
1511
1512  owl_fmtext_init_null(&fm);
1513  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
1514          owl_global_get_lines(&g),
1515          owl_global_get_cols(&g));
1516  owl_fmtext_append_normal(&fm, buff);
1517
1518  if (owl_global_get_hascolors(&g)) {
1519    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1520    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1521    owl_fmtext_append_normal(&fm, buff);
1522    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1523    owl_fmtext_append_normal(&fm, buff);
1524  } else {
1525    owl_fmtext_append_normal(&fm, "Color: No\n");
1526  }
1527
1528  owl_function_popless_fmtext(&fm);
1529  owl_fmtext_free(&fm);
1530}
1531
1532
1533void owl_function_reply(int type, int enter) {
1534  /* if type = 0 then normal reply.
1535   * if type = 1 then it's a reply to sender
1536   * if enter = 0 then allow the command to be edited
1537   * if enter = 1 then don't wait for editing
1538   */
1539  char *buff, *oldbuff;
1540  owl_message *m;
1541  owl_filter *f;
1542 
1543  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1544    owl_function_makemsg("No message selected");
1545  } else {
1546    char *class, *inst, *to, *cc=NULL;
1547   
1548    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1549    if (!m) {
1550      owl_function_makemsg("No message selected");
1551      return;
1552    }
1553
1554
1555    /* first check if we catch the reply-lockout filter */
1556    f=owl_global_get_filter(&g, "reply-lockout");
1557    if (f) {
1558      if (owl_filter_message_match(f, m)) {
1559        owl_function_makemsg("Sorry, replies to this message have been disabled by the reply-lockout filter");
1560        return;
1561      }
1562    }
1563
1564    if (owl_message_is_direction_out(m)) {
1565      owl_function_zwrite_setup(owl_message_get_zwriteline(m));
1566      owl_global_set_buffercommand(&g, owl_message_get_zwriteline(m));
1567    } else if (owl_message_is_type_admin(m)) {
1568      owl_function_makemsg("You cannot reply to this admin message");
1569    } else {
1570      if (owl_message_is_login(m)) {
1571        class="MESSAGE";
1572        inst="PERSONAL";
1573        to=owl_message_get_sender(m);
1574      } else if (type==1) {
1575        class="MESSAGE";
1576        inst="PERSONAL";
1577        to=owl_message_get_sender(m);
1578      } else {
1579        class=owl_message_get_class(m);
1580        inst=owl_message_get_instance(m);
1581        to=owl_message_get_recipient(m);
1582        cc=owl_message_get_cc(m);
1583        if (!strcmp(to, "") || !strcmp(to, "*")) {
1584          to="";
1585        } else if (to[0]=='@') {
1586          /* leave it, to get the realm */
1587        } else {
1588          to=owl_message_get_sender(m);
1589        }
1590      }
1591     
1592      /* create the command line */
1593      buff = owl_strdup("zwrite");
1594      if (strcasecmp(class, "message")) {
1595        buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
1596        owl_free(oldbuff);
1597      }
1598      if (strcasecmp(inst, "personal")) {
1599        buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
1600        owl_free(oldbuff);
1601      }
1602      if (*to != '\0') {
1603        char *tmp, *oldtmp;
1604        tmp=short_zuser(to);
1605        if (cc) {
1606          tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
1607          owl_free(oldtmp);
1608          buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
1609          owl_free(oldbuff);
1610        } else {
1611          tmp=short_zuser(to);
1612          buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
1613          owl_free(oldbuff);
1614        }
1615        owl_free(tmp);
1616      }
1617      if (cc) owl_free(cc);
1618
1619      if (enter) {
1620        owl_history *hist = owl_global_get_cmd_history(&g);
1621        owl_history_store(hist, buff);
1622        owl_history_reset(hist);
1623        owl_function_command_norv(buff);
1624      } else {
1625        owl_function_start_command(buff);
1626      }
1627      owl_free(buff);
1628    }
1629  }
1630}
1631
1632void owl_function_zlocate(char *user, int auth) {
1633  char buff[LINE], myuser[LINE];
1634  char *ptr;
1635
1636  strcpy(myuser, user);
1637  ptr=strchr(myuser, '@');
1638  if (!ptr) {
1639    strcat(myuser, "@");
1640    strcat(myuser, ZGetRealm());
1641  }
1642
1643  owl_zephyr_zlocate(myuser, buff, auth);
1644  owl_function_popless_text(buff);
1645}
1646
1647void owl_function_start_command(char *line) {
1648  int i, j;
1649  owl_editwin *tw;
1650
1651  tw=owl_global_get_typwin(&g);
1652  owl_global_set_typwin_active(&g);
1653  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
1654                        owl_global_get_cmd_history(&g));
1655
1656  owl_editwin_set_locktext(tw, "command: ");
1657  owl_global_set_needrefresh(&g);
1658
1659  j=strlen(line);
1660  for (i=0; i<j; i++) {
1661    owl_editwin_process_char(tw, line[i]);
1662  }
1663  owl_editwin_redisplay(tw, 0);
1664}
1665
1666char *owl_function_exec(int argc, char **argv, char *buff, int type) {
1667  /* if type == 1 display in a popup
1668   * if type == 2 display an admin messages
1669   * if type == 0 return output
1670   * else display in a popup
1671   */
1672  char *newbuff, *redirect = " 2>&1 < /dev/null";
1673  char *out, buff2[1024];
1674  int size;
1675  FILE *p;
1676
1677  if (argc<2) {
1678    owl_function_makemsg("Wrong number of arguments to the exec command");
1679    return NULL;
1680  }
1681
1682  buff = skiptokens(buff, 1);
1683  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
1684  strcpy(newbuff, buff);
1685  strcat(newbuff, redirect);
1686
1687  p=popen(newbuff, "r");
1688  out=owl_malloc(1024);
1689  size=1024;
1690  strcpy(out, "");
1691  while (fgets(buff2, 1024, p)!=NULL) {
1692    size+=1024;
1693    out=owl_realloc(out, size);
1694    strcat(out, buff2);
1695  }
1696  pclose(p);
1697
1698  if (type==1) {
1699    owl_function_popless_text(out);
1700  } else if (type==0) {
1701    return out;
1702  } else if (type==2) {
1703    owl_function_adminmsg(buff, out);
1704  } else {
1705    owl_function_popless_text(out);
1706  }
1707  owl_free(out);
1708  return NULL;
1709}
1710
1711
1712char *owl_function_perl(int argc, char **argv, char *buff, int type) {
1713  /* if type == 1 display in a popup
1714   * if type == 2 display an admin messages
1715   * if type == 0 return output
1716   * else display in a popup
1717   */
1718  char *perlout;
1719
1720  if (argc<2) {
1721    owl_function_makemsg("Wrong number of arguments to perl command");
1722    return NULL;
1723  }
1724
1725  /* consume first token (argv[0]) */
1726  buff = skiptokens(buff, 1);
1727
1728  perlout = owl_config_execute(buff);
1729  if (perlout) { 
1730    if (type==1) {
1731      owl_function_popless_text(perlout);
1732    } else if (type==2) {
1733      owl_function_adminmsg(buff, perlout);
1734    } else if (type==0) {
1735      return perlout;
1736    } else {
1737      owl_function_popless_text(perlout);
1738    }
1739    owl_free(perlout);
1740  }
1741  return NULL;
1742}
1743
1744
1745void owl_function_change_view(char *filtname) {
1746  owl_view *v;
1747  owl_filter *f;
1748  int curid=-1, newpos;
1749  owl_message *curm;
1750
1751  v=owl_global_get_current_view(&g);
1752  curm=owl_view_get_element(v, owl_global_get_curmsg(&g));
1753  if (curm) {
1754    curid = owl_message_get_id(curm);
1755    owl_view_save_curmsgid(v, curid);
1756  }
1757
1758  f=owl_global_get_filter(&g, filtname);
1759  if (!f) {
1760    owl_function_makemsg("Unknown filter");
1761    return;
1762  }
1763
1764  owl_view_free(v);
1765  owl_view_create(v, f);
1766
1767  /* Figure out where to set the current message to.
1768   * - If the previous view had messages in it, go to the closest message
1769   *   to the last message in that view.
1770   * - If the previous view was empty, attempts to restore the position
1771   *   from the last time we were in that view.  */
1772  if (curm) {
1773    newpos = owl_view_get_nearest_to_msgid(v, curid);
1774  } else {
1775    newpos = owl_view_get_nearest_to_saved(v);
1776  }
1777
1778  owl_global_set_curmsg(&g, newpos);
1779
1780  owl_global_set_curmsg_vert_offset(&g, 0);
1781  owl_global_set_direction_downwards(&g);
1782  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
1783  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1784}
1785
1786void owl_function_create_filter(int argc, char **argv) {
1787  owl_filter *f;
1788  owl_view *v;
1789  int ret, inuse=0;
1790
1791  if (argc < 2) {
1792    owl_function_makemsg("Wrong number of arguments to filter command");
1793    return;
1794  }
1795
1796  v=owl_global_get_current_view(&g);
1797
1798  /* don't touch the all filter */
1799  if (!strcmp(argv[1], "all")) {
1800    owl_function_makemsg("You may not change the 'all' filter.");
1801    return;
1802  }
1803
1804  /* deal with the case of trying change the filter color */
1805  if (argc==4 && !strcmp(argv[2], "-c")) {
1806    f=owl_global_get_filter(&g, argv[1]);
1807    if (!f) {
1808      owl_function_makemsg("The filter '%s' does not exist.", argv[1]);
1809      return;
1810    }
1811    owl_filter_set_color(f, owl_util_string_to_color(argv[3]));
1812    owl_global_set_needrefresh(&g);
1813    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1814    return;
1815  }
1816
1817  /* create the filter and check for errors */
1818  f=owl_malloc(sizeof(owl_filter));
1819  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
1820  if (ret==-1) {
1821    owl_free(f);
1822    owl_function_makemsg("Invalid filter syntax");
1823    return;
1824  }
1825
1826  /* if the named filter is in use by the current view, remember it */
1827  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
1828    inuse=1;
1829  }
1830
1831  /* if the named filter already exists, nuke it */
1832  if (owl_global_get_filter(&g, argv[1])) {
1833    owl_global_remove_filter(&g, argv[1]);
1834  }
1835
1836  /* add the filter */
1837  owl_global_add_filter(&g, f);
1838
1839  /* if it was in use by the current view then update */
1840  if (inuse) {
1841    owl_function_change_view(argv[1]);
1842  }
1843  owl_global_set_needrefresh(&g);
1844  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1845}
1846
1847void owl_function_show_filters() {
1848  owl_list *l;
1849  owl_filter *f;
1850  int i, j;
1851  owl_fmtext fm;
1852
1853  owl_fmtext_init_null(&fm);
1854
1855  l=owl_global_get_filterlist(&g);
1856  j=owl_list_get_size(l);
1857
1858  owl_fmtext_append_bold(&fm, "Filters:\n");
1859
1860  for (i=0; i<j; i++) {
1861    f=owl_list_get_element(l, i);
1862    owl_fmtext_append_normal(&fm, "   ");
1863    if (owl_global_get_hascolors(&g)) {
1864      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_color(f));
1865    } else {
1866      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
1867    }
1868    owl_fmtext_append_normal(&fm, "\n");
1869  }
1870  owl_function_popless_fmtext(&fm);
1871  owl_fmtext_free(&fm);
1872}
1873
1874void owl_function_show_filter(char *name) {
1875  owl_filter *f;
1876  char buff[5000];
1877
1878  f=owl_global_get_filter(&g, name);
1879  if (!f) {
1880    owl_function_makemsg("There is no filter with that name");
1881    return;
1882  }
1883  owl_filter_print(f, buff);
1884  owl_function_popless_text(buff);
1885}
1886
1887void owl_function_show_zpunts() {
1888  owl_filter *f;
1889  owl_list *fl;
1890  char buff[5000];
1891  owl_fmtext fm;
1892  int i, j;
1893
1894  owl_fmtext_init_null(&fm);
1895
1896  fl=owl_global_get_puntlist(&g);
1897  j=owl_list_get_size(fl);
1898  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
1899
1900  for (i=0; i<j; i++) {
1901    f=owl_list_get_element(fl, i);
1902    owl_filter_print(f, buff);
1903    owl_fmtext_append_normal(&fm, buff);
1904  }
1905  owl_function_popless_fmtext(&fm);
1906  owl_fmtext_free(&fm);
1907}
1908
1909char *owl_function_fastclassinstfilt(char *class, char *instance) {
1910  /* creates a filter for a class, instance if one doesn't exist.
1911   * If instance is null then apply for all messgaes in the class.
1912   * returns the name of the filter, which the caller must free.*/
1913  owl_list *fl;
1914  owl_filter *f;
1915  char *argbuff, *filtname;
1916  int len;
1917
1918  fl=owl_global_get_filterlist(&g);
1919
1920  /* name for the filter */
1921  len=strlen(class)+30;
1922  if (instance) len+=strlen(instance);
1923  filtname=owl_malloc(len);
1924  if (!instance) {
1925    sprintf(filtname, "class-%s", class);
1926  } else {
1927    sprintf(filtname, "class-%s-instance-%s", class, instance);
1928  }
1929  downstr(filtname);
1930
1931  /* if it already exists then go with it.  This lets users override */
1932  if (owl_global_get_filter(&g, filtname)) {
1933    return filtname;
1934  }
1935
1936  /* create the new filter */
1937  argbuff=owl_malloc(len+20);
1938  sprintf(argbuff, "( class ^%s$ )", class);
1939  if (instance) {
1940    sprintf(argbuff, "%s and ( instance ^%s$ )", argbuff, instance);
1941  }
1942
1943  f=owl_malloc(sizeof(owl_filter));
1944  owl_filter_init_fromstring(f, filtname, argbuff);
1945
1946  /* add it to the global list */
1947  owl_global_add_filter(&g, f);
1948
1949  owl_free(argbuff);
1950  return filtname;
1951}
1952
1953char *owl_function_fastuserfilt(char *user) {
1954  owl_filter *f;
1955  char *argbuff, *longuser, *shortuser, *filtname;
1956
1957  /* stick the local realm on if it's not there */
1958  longuser=long_zuser(user);
1959  shortuser=short_zuser(user);
1960
1961  /* name for the filter */
1962  filtname=owl_malloc(strlen(shortuser)+20);
1963  sprintf(filtname, "user-%s", shortuser);
1964
1965  /* if it already exists then go with it.  This lets users override */
1966  if (owl_global_get_filter(&g, filtname)) {
1967    return filtname;
1968  }
1969
1970  /* create the new-internal filter */
1971  f=owl_malloc(sizeof(owl_filter));
1972
1973  argbuff=owl_malloc(strlen(longuser)+1000);
1974  sprintf(argbuff, "( type ^zephyr$ and ( class ^message$ and instance ^personal$ and ");
1975  sprintf(argbuff, "%s ( ( direction ^in$ and sender ^%s$ ) or ( direction ^out$ and recipient ^%s$ ) ) )", argbuff, longuser, longuser);
1976  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) ) )", argbuff, longuser);
1977
1978  owl_filter_init_fromstring(f, filtname, argbuff);
1979
1980  /* add it to the global list */
1981  owl_global_add_filter(&g, f);
1982
1983  /* free stuff */
1984  owl_free(argbuff);
1985  owl_free(longuser);
1986  owl_free(shortuser);
1987
1988  return filtname;
1989}
1990
1991char *owl_function_fasttypefilt(char *type) {
1992  owl_filter *f;
1993  char *argbuff, *filtname;
1994
1995  /* name for the filter */
1996  filtname=owl_sprintf("type-%s", type);
1997
1998  /* if it already exists then go with it.  This lets users override */
1999  if (owl_global_get_filter(&g, filtname)) {
2000    return filtname;
2001  }
2002
2003  /* create the new-internal filter */
2004  f=owl_malloc(sizeof(owl_filter));
2005
2006  argbuff = owl_sprintf("type ^%s$", type);
2007
2008  owl_filter_init_fromstring(f, filtname, argbuff);
2009
2010  /* add it to the global list */
2011  owl_global_add_filter(&g, f);
2012
2013  /* free stuff */
2014  owl_free(argbuff);
2015
2016  return filtname;
2017}
2018
2019/* If flag is 1, marks for deletion.  If flag is 0,
2020 * unmarks for deletion. */
2021void owl_function_delete_curview_msgs(int flag) {
2022  owl_view *v;
2023  int i, j;
2024
2025  v=owl_global_get_current_view(&g);
2026  j=owl_view_get_size(v);
2027  for (i=0; i<j; i++) {
2028    if (flag == 1) {
2029      owl_message_mark_delete(owl_view_get_element(v, i));
2030    } else if (flag == 0) {
2031      owl_message_unmark_delete(owl_view_get_element(v, i));
2032    }
2033  }
2034
2035  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2036
2037  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2038}
2039
2040char *owl_function_smartfilter(int type) {
2041  /* Returns the name of a filter, or null.  The caller
2042   * must free this name.  */
2043  /* if the curmsg is a personal message return a filter name
2044   *    to the converstaion with that user.
2045   * If the curmsg is a class message, instance foo, recip *
2046   *    message, return a filter name to the class, inst.
2047   * If the curmsg is a class message and type==0 then
2048   *    return a filter name for just the class.
2049   * If the curmsg is a class message and type==1 then
2050   *    return a filter name for the class and instance.
2051   */
2052  owl_view *v;
2053  owl_message *m;
2054  char *zperson, *filtname=NULL;
2055 
2056  v=owl_global_get_current_view(&g);
2057  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2058
2059  if (!m || owl_view_get_size(v)==0) {
2060    owl_function_makemsg("No message selected\n");
2061    return(NULL);
2062  }
2063
2064  /* very simple handling of admin messages for now */
2065  if (owl_message_is_type_admin(m)) {
2066    return(owl_function_fasttypefilt("admin"));
2067  }
2068
2069  /* narrow personal and login messages to the sender or recip as appropriate */
2070  if (owl_message_is_personal(m) || owl_message_is_login(m)) {
2071    if (owl_message_is_type_zephyr(m)) {
2072      if (owl_message_is_direction_in(m)) {
2073        zperson=short_zuser(owl_message_get_sender(m));
2074      } else {
2075        zperson=short_zuser(owl_message_get_recipient(m));
2076      }
2077      filtname=owl_function_fastuserfilt(zperson);
2078      owl_free(zperson);
2079      return(filtname);
2080    }
2081    return(NULL);
2082  }
2083
2084  /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2085  if (!strcasecmp(owl_message_get_class(m), "message") &&
2086      !owl_message_is_personal(m)) {
2087    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2088    return(filtname);
2089  }
2090
2091  /* otherwise narrow to the class */
2092  if (type==0) {
2093    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), NULL);
2094  } else if (type==1) {
2095    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2096  }
2097  return(filtname);
2098}
2099
2100void owl_function_smartzpunt(int type) {
2101  /* Starts a zpunt command based on the current class,instance pair.
2102   * If type=0, uses just class.  If type=1, uses instance as well. */
2103  owl_view *v;
2104  owl_message *m;
2105  char *cmd, *cmdprefix, *mclass, *minst;
2106 
2107  v=owl_global_get_current_view(&g);
2108  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2109
2110  if (!m || owl_view_get_size(v)==0) {
2111    owl_function_makemsg("No message selected\n");
2112    return;
2113  }
2114
2115  /* for now we skip admin messages. */
2116  if (owl_message_is_type_admin(m)
2117      || owl_message_is_login(m)
2118      || !owl_message_is_type_zephyr(m)) {
2119    owl_function_makemsg("smartzpunt doesn't support this message type.");
2120    return;
2121  }
2122
2123  mclass = owl_message_get_class(m);
2124  minst = owl_message_get_instance(m);
2125  if (!mclass || !*mclass || *mclass==' '
2126      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2127      || (type && (!minst || !*minst|| *minst==' '))) {
2128    owl_function_makemsg("smartzpunt can't safely do this for <%s,%s>",
2129                         mclass, minst);
2130  } else {
2131    cmdprefix = "start-command zpunt ";
2132    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+3);
2133    strcpy(cmd, cmdprefix);
2134    strcat(cmd, mclass);
2135    if (type) {
2136      strcat(cmd, " ");
2137      strcat(cmd, minst);
2138    } else {
2139      strcat(cmd, " *");
2140    }
2141    owl_function_command(cmd);
2142    owl_free(cmd);
2143  }
2144}
2145
2146
2147
2148void owl_function_color_current_filter(char *color) {
2149  owl_filter *f;
2150  char *name;
2151
2152  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2153  f=owl_global_get_filter(&g, name);
2154  if (!f) {
2155    owl_function_makemsg("Unknown filter");
2156    return;
2157  }
2158
2159  /* don't touch the all filter */
2160  if (!strcmp(name, "all")) {
2161    owl_function_makemsg("You may not change the 'all' filter.");
2162    return;
2163  }
2164
2165  /* deal with the case of trying change the filter color */
2166  owl_filter_set_color(f, owl_util_string_to_color(color));
2167  owl_global_set_needrefresh(&g);
2168  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2169}
2170
2171void owl_function_show_colors() {
2172  owl_fmtext fm;
2173
2174  owl_fmtext_init_null(&fm);
2175  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT);
2176  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED);
2177  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN);
2178  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW);
2179  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE);
2180  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA);
2181  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN);
2182  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE);
2183
2184  owl_function_popless_fmtext(&fm);
2185  owl_fmtext_free(&fm);
2186}
2187
2188void owl_function_zpunt(char *class, char *inst, char *recip, int direction) {
2189  /* add the given class, inst, recip to the punt list for filtering.
2190   *   if direction==0 then punt
2191   *   if direction==1 then unpunt */
2192  owl_filter *f;
2193  owl_list *fl;
2194  char *buff;
2195  int ret, i, j;
2196
2197  fl=owl_global_get_puntlist(&g);
2198
2199  /* first, create the filter */
2200  f=malloc(sizeof(owl_filter));
2201  buff=malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
2202  if (!strcmp(recip, "*")) {
2203    sprintf(buff, "class ^%s$ and instance ^%s$", class, inst);
2204  } else {
2205    sprintf(buff, "class ^%s$ and instance ^%s$ and recipient %s", class, inst, recip);
2206  }
2207  owl_function_debugmsg("About to filter %s", buff);
2208  ret=owl_filter_init_fromstring(f, "punt-filter", buff);
2209  owl_free(buff);
2210  if (ret) {
2211    owl_function_makemsg("Error creating filter for zpunt");
2212    owl_filter_free(f);
2213    return;
2214  }
2215
2216  /* Check for an identical filter */
2217  j=owl_list_get_size(fl);
2218  for (i=0; i<j; i++) {
2219    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2220      /* if we're punting, then just silently bow out on this duplicate */
2221      if (direction==0) {
2222        owl_filter_free(f);
2223        return;
2224      }
2225
2226      /* if we're unpunting, then remove this filter from the puntlist */
2227      if (direction==1) {
2228        owl_filter_free(owl_list_get_element(fl, i));
2229        owl_list_remove_element(fl, i);
2230        return;
2231      }
2232    }
2233  }
2234
2235  /* If we're punting, add the filter to the global punt list */
2236  if (direction==0) {
2237    owl_list_append_element(fl, f);
2238  }
2239}
2240
2241void owl_function_activate_keymap(char *keymap) {
2242  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
2243    owl_function_makemsg("Unable to activate keymap '%s'", keymap);
2244  }
2245}
2246
2247
2248void owl_function_show_keymaps() {
2249  owl_list l;
2250  owl_fmtext fm;
2251  owl_keymap *km;
2252  owl_keyhandler *kh;
2253  int i, numkm;
2254  char *kmname;
2255
2256  kh = owl_global_get_keyhandler(&g);
2257  owl_fmtext_init_null(&fm);
2258  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2259  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2260  owl_keyhandler_get_keymap_names(kh, &l);
2261  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2262  owl_fmtext_append_normal(&fm, "\n");
2263
2264  numkm = owl_list_get_size(&l);
2265  for (i=0; i<numkm; i++) {
2266    kmname = owl_list_get_element(&l, i);
2267    km = owl_keyhandler_get_keymap(kh, kmname);
2268    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2269    owl_keymap_get_details(km, &fm);   
2270  }
2271  owl_fmtext_append_normal(&fm, "\n");
2272 
2273  owl_function_popless_fmtext(&fm);
2274  owl_keyhandler_keymap_namelist_free(&l);
2275  owl_fmtext_free(&fm);
2276}
2277
2278char *owl_function_keymap_summary(void *name) {
2279  owl_keymap *km
2280    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2281  if (km) return owl_keymap_summary(km);
2282  else return(NULL);
2283}
2284
2285/* TODO: implement for real */
2286void owl_function_show_keymap(char *name) {
2287  owl_fmtext fm;
2288  owl_keymap *km;
2289
2290  owl_fmtext_init_null(&fm);
2291  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2292  if (km) {
2293    owl_keymap_get_details(km, &fm);
2294  } else {
2295    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2296  } 
2297  owl_function_popless_fmtext(&fm);
2298  owl_fmtext_free(&fm);
2299}
2300
2301void owl_function_help_for_command(char *cmdname) {
2302  owl_fmtext fm;
2303
2304  owl_fmtext_init_null(&fm);
2305  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2306  owl_function_popless_fmtext(&fm); 
2307  owl_fmtext_free(&fm);
2308}
2309
2310void owl_function_search_start(char *string, int direction) {
2311  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2312  owl_global_set_search_active(&g, string);
2313  owl_function_search_helper(0, direction);
2314}
2315
2316void owl_function_search_continue(int direction) {
2317  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2318  owl_function_search_helper(1, direction);
2319}
2320
2321void owl_function_search_helper(int mode, int direction) {
2322  /* move to a message that contains the string.  If direction is
2323   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2324   * OWL_DIRECTION_UPWARDS then search backwards.
2325   *
2326   * If mode==0 then it will stay on the current message if it
2327   * contains the string.
2328   */
2329
2330  owl_view *v;
2331  int viewsize, i, curmsg, start;
2332  owl_message *m;
2333
2334  v=owl_global_get_current_view(&g);
2335  viewsize=owl_view_get_size(v);
2336  curmsg=owl_global_get_curmsg(&g);
2337 
2338  if (viewsize==0) {
2339    owl_function_makemsg("No messages present");
2340    return;
2341  }
2342
2343  if (mode==0) {
2344    start=curmsg;
2345  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2346    start=curmsg+1;
2347  } else {
2348    start=curmsg-1;
2349  }
2350
2351  /* bounds check */
2352  if (start>=viewsize || start<0) {
2353    owl_function_makemsg("No further matches found");
2354    return;
2355  }
2356
2357  for (i=start; i<viewsize && i>=0;) {
2358    m=owl_view_get_element(v, i);
2359    if (owl_message_search(m, owl_global_get_search_string(&g))) {
2360      owl_global_set_curmsg(&g, i);
2361      owl_function_calculate_topmsg(direction);
2362      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2363      if (direction==OWL_DIRECTION_DOWNWARDS) {
2364        owl_global_set_direction_downwards(&g);
2365      } else {
2366        owl_global_set_direction_upwards(&g);
2367      }
2368      return;
2369    }
2370    if (direction==OWL_DIRECTION_DOWNWARDS) {
2371      i++;
2372    } else {
2373      i--;
2374    }
2375  }
2376  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2377  owl_function_makemsg("No matches found");
2378}
2379
2380
2381/* strips formatting from ztext and returns the unformatted text.
2382 * caller is responsible for freeing. */
2383char *owl_function_ztext_stylestrip(char *zt) {
2384  owl_fmtext fm;
2385  char *plaintext;
2386
2387  owl_fmtext_init_null(&fm);
2388  owl_fmtext_append_ztext(&fm, zt);
2389  plaintext = owl_fmtext_print_plain(&fm);
2390  owl_fmtext_free(&fm);
2391  return(plaintext);
2392}
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