source: functions.c @ bde7714

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since bde7714 was bde7714, checked in by James M. Kretchmar <kretch@mit.edu>, 18 years ago
Started updating the intro document Small changes to help / about The 'subscribe' and 'unsubscribe' commands (and their aliases) update .zephyr.subs by default. If either is given the '-t' (for "temporary") option the .zephyr.subs will not be updated
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File size: 66.2 KB
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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+1; 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    curmsg=owl_global_get_curmsg(&g);
423    if (owl_message_is_delete(owl_view_get_element(v, curmsg))) {
424      for (i=curmsg; i>0; i--) {
425        if (!owl_message_is_delete(owl_view_get_element(v, i))) {
426          owl_global_set_curmsg(&g, i);
427          break;
428        }
429      }
430    }
431  }
432
433  /* expunge the message list */
434  owl_messagelist_expunge(ml);
435
436  /* update all views (we only have one right now) */
437  owl_view_recalculate(v);
438
439  if (curmsg>owl_view_get_size(v)-1) {
440    owl_global_set_curmsg(&g, owl_view_get_size(v)-1);
441    if (owl_global_get_curmsg(&g)<0) {
442      owl_global_set_curmsg(&g, 0);
443    }
444    owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
445  }
446
447  /* if there are no messages set the direction to down in case we
448     delete everything upwards */
449  owl_global_set_direction_downwards(&g);
450 
451  owl_function_makemsg("Messages expunged");
452  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
453}
454
455
456void owl_function_firstmsg() {
457  owl_global_set_curmsg(&g, 0);
458  owl_global_set_topmsg(&g, 0);
459  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
460  owl_global_set_direction_downwards(&g);
461}
462
463void owl_function_lastmsg_noredisplay() {
464  int oldcurmsg, curmsg;
465  owl_view *v;
466
467  v=owl_global_get_current_view(&g);
468  oldcurmsg=owl_global_get_curmsg(&g);
469  curmsg=owl_view_get_size(v)-1; 
470  if (curmsg<0) curmsg=0;
471  owl_global_set_curmsg(&g, curmsg);
472  if (oldcurmsg < curmsg) {
473    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
474  } else if (curmsg<owl_view_get_size(v)) {
475    /* If already at the end, blank the screen and move curmsg
476     * past the end of the messages. */
477    owl_global_set_topmsg(&g, curmsg+1);
478    owl_global_set_curmsg(&g, curmsg+1);
479  } 
480  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
481  owl_global_set_direction_downwards(&g);
482}
483
484void owl_function_lastmsg() {
485  owl_function_lastmsg_noredisplay();
486  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
487}
488
489void owl_function_shift_right() {
490  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
491  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
492  owl_global_set_needrefresh(&g);
493}
494
495
496void owl_function_shift_left() {
497  int shift;
498
499  shift=owl_global_get_rightshift(&g);
500  if (shift>=10) {
501    owl_global_set_rightshift(&g, shift-10);
502    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
503    owl_global_set_needrefresh(&g);
504  } else {
505    owl_function_beep();
506    owl_function_makemsg("Already full left");
507  }
508}
509
510
511void owl_function_unsuball() {
512  unsuball();
513  owl_function_makemsg("Unsubscribed from all messages.");
514}
515
516void owl_function_loadsubs(char *file) {
517  int ret;
518  ret=owl_zephyr_loadsubs(file);
519  if (ret==0) {
520    owl_function_makemsg("Subscribed to messages from file.");
521  } else if (ret==-1) {
522    owl_function_makemsg("Could not open file.");
523  } else {
524    owl_function_makemsg("Error subscribing to messages from file.");
525  }
526}
527
528void owl_function_suspend() {
529  endwin();
530  printf("\n");
531  kill(getpid(), SIGSTOP);
532
533  /* resize to reinitialize all the windows when we come back */
534  owl_command_resize();
535}
536
537void owl_function_zaway_toggle() {
538  if (!owl_global_is_zaway(&g)) {
539    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
540    owl_function_zaway_on();
541  } else {
542    owl_function_zaway_off();
543  }
544}
545
546void owl_function_zaway_on() {
547  owl_global_set_zaway_on(&g);
548  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
549}
550
551void owl_function_zaway_off() {
552  owl_global_set_zaway_off(&g);
553  owl_function_makemsg("zaway off");
554}
555
556void owl_function_quit() {
557  char *ret;
558 
559  /* zlog out if we need to */
560  if (owl_global_is_shutdownlogout(&g)) {
561    owl_function_zlog_out();
562  }
563
564  /* execute the commands in shutdown */
565  ret = owl_config_execute("owl::shutdown();");
566  if (ret) owl_free(ret);
567
568  /* final clean up */
569  unsuball();
570  ZClosePort();
571  endwin();
572  owl_function_debugmsg("Quitting Owl");
573  exit(0);
574}
575
576
577void owl_function_zlog_in() {
578  char *exposure, *eset;
579  int ret;
580
581  eset=EXPOSE_REALMVIS;
582  exposure=ZGetVariable("exposure");
583  if (exposure==NULL) {
584    eset=EXPOSE_REALMVIS;
585  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
586    eset = EXPOSE_NONE;
587  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
588    eset = EXPOSE_OPSTAFF;
589  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
590    eset = EXPOSE_REALMVIS;
591  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
592    eset = EXPOSE_REALMANN;
593  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
594    eset = EXPOSE_NETVIS;
595  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
596    eset = EXPOSE_NETANN;
597  }
598   
599  ret=ZSetLocation(eset);
600  if (ret != ZERR_NONE) {
601    /*
602      char buff[LINE];
603      sprintf(buff, "Error setting location: %s", error_message(ret));
604      owl_function_makemsg(buff);
605    */
606  }
607}
608
609void owl_function_zlog_out() {
610  int ret;
611 
612  ret=ZUnsetLocation();
613  if (ret != ZERR_NONE) {
614    /*
615      char buff[LINE];
616      sprintf(buff, "Error unsetting location: %s", error_message(ret));
617      owl_function_makemsg(buff);
618    */
619  }
620}
621
622
623void owl_function_makemsg(char *fmt, ...) {
624  va_list ap;
625  char buff[2048];
626
627  va_start(ap, fmt);
628  werase(owl_global_get_curs_msgwin(&g));
629 
630  vsnprintf(buff, 2048, fmt, ap);
631  owl_function_debugmsg("makemsg: %s", buff);
632  waddstr(owl_global_get_curs_msgwin(&g), buff); 
633  wnoutrefresh(owl_global_get_curs_msgwin(&g));
634  owl_global_set_needrefresh(&g);
635  va_end(ap);
636}
637
638void owl_function_errormsg(char *fmt, ...) {
639  va_list ap;
640  char buff[2048];
641
642  va_start(ap, fmt);
643  werase(owl_global_get_curs_msgwin(&g));
644 
645  vsnprintf(buff, 2048, fmt, ap);
646  owl_function_debugmsg("ERROR: %s", buff);
647  waddstr(owl_global_get_curs_msgwin(&g), buff); 
648  waddstr(owl_global_get_curs_msgwin(&g), "ERROR: "); 
649  wnoutrefresh(owl_global_get_curs_msgwin(&g));
650  owl_global_set_needrefresh(&g);
651  va_end(ap);
652}
653
654
655void owl_function_openurl() {
656  /* visit the first url in the current message */
657  owl_message *m;
658  owl_view *v;
659  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
660  int webbrowser;
661
662  webbrowser = owl_global_get_webbrowser(&g);
663
664  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
665    owl_function_makemsg("No browser selected");
666    return;
667  }
668
669  v=owl_global_get_current_view(&g);
670 
671  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
672
673  if (!m || owl_view_get_size(v)==0) {
674    owl_function_makemsg("No current message selected");
675    return;
676  }
677
678  text=owl_message_get_text(m);
679
680  /* First look for a good URL */ 
681  if ((ptr1=strstr(text, "http://"))!=NULL) {
682    ptr2=strpbrk(ptr1, " \n\t");
683    if (ptr2) {
684      strncpy(url, ptr1, ptr2-ptr1+1);
685      url[ptr2-ptr1+1]='\0';
686    } else {
687      strcpy(url, ptr1);
688    }
689
690    /* if we had <http strip a trailing > */
691    if (ptr1>text && ptr1[-1]=='<') {
692      if (url[strlen(url)-1]=='>') {
693        url[strlen(url)-1]='\0';
694      }
695    }
696  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
697    /* Look for an https URL */ 
698    ptr2=strpbrk(ptr1, " \n\t");
699    if (ptr2) {
700      strncpy(url, ptr1, ptr2-ptr1+1);
701      url[ptr2-ptr1+1]='\0';
702    } else {
703      strcpy(url, ptr1);
704    }
705   
706    /* if we had <http strip a trailing > */
707    if (ptr1>text && ptr1[-1]=='<') {
708      if (url[strlen(url)-1]=='>') {
709        url[strlen(url)-1]='\0';
710      }
711    }
712  } else if ((ptr1=strstr(text, "www."))!=NULL) {
713    /* if we can't find a real url look for www.something */
714    ptr2=strpbrk(ptr1, " \n\t");
715    if (ptr2) {
716      strncpy(url, ptr1, ptr2-ptr1+1);
717      url[ptr2-ptr1+1]='\0';
718    } else {
719      strcpy(url, ptr1);
720    }
721  } else {
722    owl_function_beep();
723    owl_function_makemsg("Could not find URL to open.");
724    return;
725  }
726
727  /* Make sure there aren't any quotes or \'s in the url */
728  for (ptr1 = url; *ptr1; ptr1++) {
729    if (*ptr1 == '"' || *ptr1 == '\\') {
730      owl_function_beep();
731      owl_function_makemsg("URL contains invalid characters.");
732      return;
733    }
734  }
735 
736  /* NOTE: There are potentially serious security issues here... */
737
738  /* open the page */
739  owl_function_makemsg("Opening %s", url);
740  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
741    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
742    system(tmpbuff); 
743  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
744    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
745    system(tmpbuff); 
746  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
747    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
748    system(tmpbuff); 
749  }
750}
751
752void owl_function_calculate_topmsg(int direction) {
753  int recwinlines, topmsg, curmsg;
754  owl_view *v;
755
756  v=owl_global_get_current_view(&g);
757  curmsg=owl_global_get_curmsg(&g);
758  topmsg=owl_global_get_topmsg(&g);
759  recwinlines=owl_global_get_recwin_lines(&g);
760
761  /*
762  if (owl_view_get_size(v) < 1) {
763    return;
764  }
765  */
766
767  switch (owl_global_get_scrollmode(&g)) {
768  case OWL_SCROLLMODE_TOP:
769    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
770    break;
771  case OWL_SCROLLMODE_NEARTOP:
772    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
773    break;
774  case OWL_SCROLLMODE_CENTER:
775    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
776    break;
777  case OWL_SCROLLMODE_PAGED:
778    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
779    break;
780  case OWL_SCROLLMODE_PAGEDCENTER:
781    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
782    break;
783  case OWL_SCROLLMODE_NORMAL:
784  default:
785    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
786  }
787  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
788  owl_global_set_topmsg(&g, topmsg);
789}
790
791/* Returns what the new topmsg should be. 
792 * Passed the last direction of movement,
793 * the current view,
794 * the current message number in the view,
795 * the top message currently being displayed,
796 * and the number of lines in the recwin.
797 */
798int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
799  return(curmsg);
800}
801
802int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
803  if (curmsg>0 
804      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
805          <  recwinlines/2)) {
806    return(curmsg-1);
807  } else {
808    return(curmsg);
809  }
810}
811 
812int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
813  int i, last, lines;
814
815  last = curmsg;
816  lines = 0;
817  for (i=curmsg-1; i>=0; i--) {
818    lines += owl_message_get_numlines(owl_view_get_element(v, i));
819    if (lines > recwinlines/2) break;
820    last = i;
821  }
822  return(last);
823}
824 
825int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page) {
826  int i, last, lines, savey;
827 
828  /* If we're off the top of the screen, scroll up such that the
829   * curmsg is near the botton of the screen. */
830  if (curmsg < topmsg) {
831    last = curmsg;
832    lines = 0;
833    for (i=curmsg; i>=0; i--) {
834      lines += owl_message_get_numlines(owl_view_get_element(v, i));
835      if (lines > recwinlines) break;
836    last = i;
837    }
838    if (center_on_page) {
839      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
840    } else {
841      return(last);
842    }
843  }
844
845  /* Find number of lines from top to bottom of curmsg (store in savey) */
846  savey=0;
847  for (i=topmsg; i<=curmsg; i++) {
848    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
849  }
850
851  /* if we're off the bottom of the screen, scroll down */
852  if (savey > recwinlines) {
853    if (center_on_page) {
854      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
855    } else {
856      return(curmsg);
857    }
858  }
859
860  /* else just stay as we are... */
861  return(topmsg);
862}
863
864
865int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
866  int savey, j, i, foo, y;
867
868  /* If we're off the top of the screen then center */
869  if (curmsg<topmsg) {
870    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
871  }
872
873  /* Find number of lines from top to bottom of curmsg (store in savey) */
874  savey=0;
875  for (i=topmsg; i<=curmsg; i++) {
876    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
877  }
878
879  /* If we're off the bottom of the screen, set the topmsg to curmsg
880   * and scroll upwards */
881  if (savey > recwinlines) {
882    topmsg=curmsg;
883    savey=owl_message_get_numlines(owl_view_get_element(v, i));
884    direction=OWL_DIRECTION_UPWARDS;
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    /* first check if we catch the reply-lockout filter */
1555    f=owl_global_get_filter(&g, "reply-lockout");
1556    if (f) {
1557      if (owl_filter_message_match(f, m)) {
1558        owl_function_makemsg("Sorry, replies to this message have been disabled by the reply-lockout filter");
1559        return;
1560      }
1561    }
1562
1563    if (owl_message_is_direction_out(m)) {
1564      owl_function_zwrite_setup(owl_message_get_zwriteline(m));
1565      owl_global_set_buffercommand(&g, owl_message_get_zwriteline(m));
1566    } else if (owl_message_is_type_admin(m)) {
1567      owl_function_makemsg("You cannot reply to an admin message");
1568    } else {
1569      if (owl_message_is_login(m)) {
1570        class="MESSAGE";
1571        inst="PERSONAL";
1572        to=owl_message_get_sender(m);
1573      } else if (type==1) {
1574        class="MESSAGE";
1575        inst="PERSONAL";
1576        to=owl_message_get_sender(m);
1577      } else {
1578        class=owl_message_get_class(m);
1579        inst=owl_message_get_instance(m);
1580        to=owl_message_get_recipient(m);
1581        cc=owl_message_get_cc(m);
1582        if (!strcmp(to, "") || !strcmp(to, "*")) {
1583          to="";
1584        } else if (to[0]=='@') {
1585          /* leave it, to get the realm */
1586        } else {
1587          to=owl_message_get_sender(m);
1588        }
1589      }
1590     
1591      /* create the command line */
1592      buff = owl_strdup("zwrite");
1593      if (strcasecmp(class, "message")) {
1594        buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
1595        owl_free(oldbuff);
1596      }
1597      if (strcasecmp(inst, "personal")) {
1598        buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
1599        owl_free(oldbuff);
1600      }
1601      if (*to != '\0') {
1602        char *tmp, *oldtmp, *tmp2;
1603        if (cc) {
1604          tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
1605          owl_free(oldtmp);
1606          buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
1607          owl_free(oldbuff);
1608        } else {
1609          tmp=short_zuser(to);
1610          if (owl_global_is_smartstrip(&g)) {
1611            tmp2=tmp;
1612            tmp=smartstripped_user(tmp2);
1613            owl_free(tmp2);
1614          }
1615          buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
1616          owl_free(oldbuff);
1617        }
1618        owl_free(tmp);
1619      }
1620      if (cc) owl_free(cc);
1621
1622      if (enter) {
1623        owl_history *hist = owl_global_get_cmd_history(&g);
1624        owl_history_store(hist, buff);
1625        owl_history_reset(hist);
1626        owl_function_command_norv(buff);
1627      } else {
1628        owl_function_start_command(buff);
1629      }
1630      owl_free(buff);
1631    }
1632  }
1633}
1634
1635void owl_function_zlocate(char *user, int auth) {
1636  char buff[LINE], myuser[LINE];
1637  char *ptr;
1638
1639  strcpy(myuser, user);
1640  ptr=strchr(myuser, '@');
1641  if (!ptr) {
1642    strcat(myuser, "@");
1643    strcat(myuser, ZGetRealm());
1644  }
1645
1646  owl_zephyr_zlocate(myuser, buff, auth);
1647  owl_function_popless_text(buff);
1648}
1649
1650void owl_function_start_command(char *line) {
1651  int i, j;
1652  owl_editwin *tw;
1653
1654  tw=owl_global_get_typwin(&g);
1655  owl_global_set_typwin_active(&g);
1656  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
1657                        owl_global_get_cmd_history(&g));
1658
1659  owl_editwin_set_locktext(tw, "command: ");
1660  owl_global_set_needrefresh(&g);
1661
1662  j=strlen(line);
1663  for (i=0; i<j; i++) {
1664    owl_editwin_process_char(tw, line[i]);
1665  }
1666  owl_editwin_redisplay(tw, 0);
1667}
1668
1669char *owl_function_exec(int argc, char **argv, char *buff, int type) {
1670  /* if type == 1 display in a popup
1671   * if type == 2 display an admin messages
1672   * if type == 0 return output
1673   * else display in a popup
1674   */
1675  char *newbuff, *redirect = " 2>&1 < /dev/null";
1676  char *out, buff2[1024];
1677  int size;
1678  FILE *p;
1679
1680  if (argc<2) {
1681    owl_function_makemsg("Wrong number of arguments to the exec command");
1682    return NULL;
1683  }
1684
1685  buff = skiptokens(buff, 1);
1686  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
1687  strcpy(newbuff, buff);
1688  strcat(newbuff, redirect);
1689
1690  p=popen(newbuff, "r");
1691  out=owl_malloc(1024);
1692  size=1024;
1693  strcpy(out, "");
1694  while (fgets(buff2, 1024, p)!=NULL) {
1695    size+=1024;
1696    out=owl_realloc(out, size);
1697    strcat(out, buff2);
1698  }
1699  pclose(p);
1700
1701  if (type==1) {
1702    owl_function_popless_text(out);
1703  } else if (type==0) {
1704    return out;
1705  } else if (type==2) {
1706    owl_function_adminmsg(buff, out);
1707  } else {
1708    owl_function_popless_text(out);
1709  }
1710  owl_free(out);
1711  return NULL;
1712}
1713
1714
1715char *owl_function_perl(int argc, char **argv, char *buff, int type) {
1716  /* if type == 1 display in a popup
1717   * if type == 2 display an admin messages
1718   * if type == 0 return output
1719   * else display in a popup
1720   */
1721  char *perlout;
1722
1723  if (argc<2) {
1724    owl_function_makemsg("Wrong number of arguments to perl command");
1725    return NULL;
1726  }
1727
1728  /* consume first token (argv[0]) */
1729  buff = skiptokens(buff, 1);
1730
1731  perlout = owl_config_execute(buff);
1732  if (perlout) { 
1733    if (type==1) {
1734      owl_function_popless_text(perlout);
1735    } else if (type==2) {
1736      owl_function_adminmsg(buff, perlout);
1737    } else if (type==0) {
1738      return perlout;
1739    } else {
1740      owl_function_popless_text(perlout);
1741    }
1742    owl_free(perlout);
1743  }
1744  return NULL;
1745}
1746
1747
1748void owl_function_change_view(char *filtname) {
1749  owl_view *v;
1750  owl_filter *f;
1751  int curid=-1, newpos, curmsg;
1752  owl_message *curm=NULL;
1753
1754  v=owl_global_get_current_view(&g);
1755  curmsg=owl_global_get_curmsg(&g);
1756  if (curmsg==-1) {
1757    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
1758  } else {
1759    curm=owl_view_get_element(v, curmsg);
1760    if (curm) {
1761      curid=owl_message_get_id(curm);
1762      owl_view_save_curmsgid(v, curid);
1763    }
1764  }
1765
1766  /* grab the filter */;
1767  f=owl_global_get_filter(&g, filtname);
1768  if (!f) {
1769    owl_function_makemsg("Unknown filter");
1770    return;
1771  }
1772
1773  /* free the existing view and create a new one based on the filter */
1774  owl_view_free(v);
1775  owl_view_create(v, f);
1776
1777  /* Figure out what to set the current message to.
1778   * - If the view we're leaving has messages in it, go to the closest message
1779   *   to the last message pointed to in that view.
1780   * - If the view we're leaving is empty, try to restore the position
1781   *   from the last time we were in the new view.  */
1782  if (curm) {
1783    newpos = owl_view_get_nearest_to_msgid(v, curid);
1784  } else {
1785    newpos = owl_view_get_nearest_to_saved(v);
1786  }
1787
1788  owl_global_set_curmsg(&g, newpos);
1789
1790  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
1791  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1792  owl_global_set_direction_downwards(&g);
1793}
1794
1795void owl_function_create_filter(int argc, char **argv) {
1796  owl_filter *f;
1797  owl_view *v;
1798  int ret, inuse=0;
1799
1800  if (argc < 2) {
1801    owl_function_makemsg("Wrong number of arguments to filter command");
1802    return;
1803  }
1804
1805  v=owl_global_get_current_view(&g);
1806
1807  /* don't touch the all filter */
1808  if (!strcmp(argv[1], "all")) {
1809    owl_function_makemsg("You may not change the 'all' filter.");
1810    return;
1811  }
1812
1813  /* deal with the case of trying change the filter color */
1814  if (argc==4 && !strcmp(argv[2], "-c")) {
1815    f=owl_global_get_filter(&g, argv[1]);
1816    if (!f) {
1817      owl_function_makemsg("The filter '%s' does not exist.", argv[1]);
1818      return;
1819    }
1820    owl_filter_set_color(f, owl_util_string_to_color(argv[3]));
1821    owl_global_set_needrefresh(&g);
1822    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1823    return;
1824  }
1825
1826  /* create the filter and check for errors */
1827  f=owl_malloc(sizeof(owl_filter));
1828  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
1829  if (ret==-1) {
1830    owl_free(f);
1831    owl_function_makemsg("Invalid filter syntax");
1832    return;
1833  }
1834
1835  /* if the named filter is in use by the current view, remember it */
1836  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
1837    inuse=1;
1838  }
1839
1840  /* if the named filter already exists, nuke it */
1841  if (owl_global_get_filter(&g, argv[1])) {
1842    owl_global_remove_filter(&g, argv[1]);
1843  }
1844
1845  /* add the filter */
1846  owl_global_add_filter(&g, f);
1847
1848  /* if it was in use by the current view then update */
1849  if (inuse) {
1850    owl_function_change_view(argv[1]);
1851  }
1852  owl_global_set_needrefresh(&g);
1853  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1854}
1855
1856void owl_function_show_filters() {
1857  owl_list *l;
1858  owl_filter *f;
1859  int i, j;
1860  owl_fmtext fm;
1861
1862  owl_fmtext_init_null(&fm);
1863
1864  l=owl_global_get_filterlist(&g);
1865  j=owl_list_get_size(l);
1866
1867  owl_fmtext_append_bold(&fm, "Filters:\n");
1868
1869  for (i=0; i<j; i++) {
1870    f=owl_list_get_element(l, i);
1871    owl_fmtext_append_normal(&fm, "   ");
1872    if (owl_global_get_hascolors(&g)) {
1873      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_color(f));
1874    } else {
1875      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
1876    }
1877    owl_fmtext_append_normal(&fm, "\n");
1878  }
1879  owl_function_popless_fmtext(&fm);
1880  owl_fmtext_free(&fm);
1881}
1882
1883void owl_function_show_filter(char *name) {
1884  owl_filter *f;
1885  char buff[5000];
1886
1887  f=owl_global_get_filter(&g, name);
1888  if (!f) {
1889    owl_function_makemsg("There is no filter with that name");
1890    return;
1891  }
1892  owl_filter_print(f, buff);
1893  owl_function_popless_text(buff);
1894}
1895
1896void owl_function_show_zpunts() {
1897  owl_filter *f;
1898  owl_list *fl;
1899  char buff[5000];
1900  owl_fmtext fm;
1901  int i, j;
1902
1903  owl_fmtext_init_null(&fm);
1904
1905  fl=owl_global_get_puntlist(&g);
1906  j=owl_list_get_size(fl);
1907  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
1908
1909  for (i=0; i<j; i++) {
1910    f=owl_list_get_element(fl, i);
1911    owl_filter_print(f, buff);
1912    owl_fmtext_append_normal(&fm, buff);
1913  }
1914  owl_function_popless_fmtext(&fm);
1915  owl_fmtext_free(&fm);
1916}
1917
1918char *owl_function_fastclassinstfilt(char *class, char *instance) {
1919  /* creates a filter for a class, instance if one doesn't exist.
1920   * If instance is null then apply for all messgaes in the class.
1921   * returns the name of the filter, which the caller must free.*/
1922  owl_list *fl;
1923  owl_filter *f;
1924  char *argbuff, *filtname;
1925  int len;
1926
1927  fl=owl_global_get_filterlist(&g);
1928
1929  /* name for the filter */
1930  len=strlen(class)+30;
1931  if (instance) len+=strlen(instance);
1932  filtname=owl_malloc(len);
1933  if (!instance) {
1934    sprintf(filtname, "class-%s", class);
1935  } else {
1936    sprintf(filtname, "class-%s-instance-%s", class, instance);
1937  }
1938  downstr(filtname);
1939
1940  /* if it already exists then go with it.  This lets users override */
1941  if (owl_global_get_filter(&g, filtname)) {
1942    return filtname;
1943  }
1944
1945  /* create the new filter */
1946  argbuff=owl_malloc(len+20);
1947  sprintf(argbuff, "( class ^%s$ )", class);
1948  if (instance) {
1949    sprintf(argbuff, "%s and ( instance ^%s$ )", argbuff, instance);
1950  }
1951
1952  f=owl_malloc(sizeof(owl_filter));
1953  owl_filter_init_fromstring(f, filtname, argbuff);
1954
1955  /* add it to the global list */
1956  owl_global_add_filter(&g, f);
1957
1958  owl_free(argbuff);
1959  return filtname;
1960}
1961
1962char *owl_function_fastuserfilt(char *user) {
1963  owl_filter *f;
1964  char *argbuff, *longuser, *shortuser, *filtname;
1965
1966  /* stick the local realm on if it's not there */
1967  longuser=long_zuser(user);
1968  shortuser=short_zuser(user);
1969
1970  /* name for the filter */
1971  filtname=owl_malloc(strlen(shortuser)+20);
1972  sprintf(filtname, "user-%s", shortuser);
1973
1974  /* if it already exists then go with it.  This lets users override */
1975  if (owl_global_get_filter(&g, filtname)) {
1976    return filtname;
1977  }
1978
1979  /* create the new-internal filter */
1980  f=owl_malloc(sizeof(owl_filter));
1981
1982  argbuff=owl_malloc(strlen(longuser)+1000);
1983  sprintf(argbuff, "( type ^zephyr$ and ( class ^message$ and instance ^personal$ and ");
1984  sprintf(argbuff, "%s ( ( direction ^in$ and sender ^%s$ ) or ( direction ^out$ and recipient ^%s$ ) ) )", argbuff, longuser, longuser);
1985  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) ) )", argbuff, longuser);
1986
1987  owl_filter_init_fromstring(f, filtname, argbuff);
1988
1989  /* add it to the global list */
1990  owl_global_add_filter(&g, f);
1991
1992  /* free stuff */
1993  owl_free(argbuff);
1994  owl_free(longuser);
1995  owl_free(shortuser);
1996
1997  return filtname;
1998}
1999
2000char *owl_function_fasttypefilt(char *type) {
2001  owl_filter *f;
2002  char *argbuff, *filtname;
2003
2004  /* name for the filter */
2005  filtname=owl_sprintf("type-%s", type);
2006
2007  /* if it already exists then go with it.  This lets users override */
2008  if (owl_global_get_filter(&g, filtname)) {
2009    return filtname;
2010  }
2011
2012  /* create the new-internal filter */
2013  f=owl_malloc(sizeof(owl_filter));
2014
2015  argbuff = owl_sprintf("type ^%s$", type);
2016
2017  owl_filter_init_fromstring(f, filtname, argbuff);
2018
2019  /* add it to the global list */
2020  owl_global_add_filter(&g, f);
2021
2022  /* free stuff */
2023  owl_free(argbuff);
2024
2025  return filtname;
2026}
2027
2028/* If flag is 1, marks for deletion.  If flag is 0,
2029 * unmarks for deletion. */
2030void owl_function_delete_curview_msgs(int flag) {
2031  owl_view *v;
2032  int i, j;
2033
2034  v=owl_global_get_current_view(&g);
2035  j=owl_view_get_size(v);
2036  for (i=0; i<j; i++) {
2037    if (flag == 1) {
2038      owl_message_mark_delete(owl_view_get_element(v, i));
2039    } else if (flag == 0) {
2040      owl_message_unmark_delete(owl_view_get_element(v, i));
2041    }
2042  }
2043
2044  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2045
2046  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2047}
2048
2049char *owl_function_smartfilter(int type) {
2050  /* Returns the name of a filter, or null.  The caller
2051   * must free this name.  */
2052  /* if the curmsg is a personal message return a filter name
2053   *    to the converstaion with that user.
2054   * If the curmsg is a class message, instance foo, recip *
2055   *    message, return a filter name to the class, inst.
2056   * If the curmsg is a class message and type==0 then
2057   *    return a filter name for just the class.
2058   * If the curmsg is a class message and type==1 then
2059   *    return a filter name for the class and instance.
2060   */
2061  owl_view *v;
2062  owl_message *m;
2063  char *zperson, *filtname=NULL;
2064 
2065  v=owl_global_get_current_view(&g);
2066  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2067
2068  if (!m || owl_view_get_size(v)==0) {
2069    owl_function_makemsg("No message selected\n");
2070    return(NULL);
2071  }
2072
2073  /* very simple handling of admin messages for now */
2074  if (owl_message_is_type_admin(m)) {
2075    return(owl_function_fasttypefilt("admin"));
2076  }
2077
2078  /* narrow personal and login messages to the sender or recip as appropriate */
2079  if (owl_message_is_personal(m) || owl_message_is_login(m)) {
2080    if (owl_message_is_type_zephyr(m)) {
2081      if (owl_message_is_direction_in(m)) {
2082        zperson=short_zuser(owl_message_get_sender(m));
2083      } else {
2084        zperson=short_zuser(owl_message_get_recipient(m));
2085      }
2086      filtname=owl_function_fastuserfilt(zperson);
2087      owl_free(zperson);
2088      return(filtname);
2089    }
2090    return(NULL);
2091  }
2092
2093  /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2094  if (!strcasecmp(owl_message_get_class(m), "message") &&
2095      !owl_message_is_personal(m)) {
2096    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2097    return(filtname);
2098  }
2099
2100  /* otherwise narrow to the class */
2101  if (type==0) {
2102    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), NULL);
2103  } else if (type==1) {
2104    filtname=owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2105  }
2106  return(filtname);
2107}
2108
2109void owl_function_smartzpunt(int type) {
2110  /* Starts a zpunt command based on the current class,instance pair.
2111   * If type=0, uses just class.  If type=1, uses instance as well. */
2112  owl_view *v;
2113  owl_message *m;
2114  char *cmd, *cmdprefix, *mclass, *minst;
2115 
2116  v=owl_global_get_current_view(&g);
2117  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2118
2119  if (!m || owl_view_get_size(v)==0) {
2120    owl_function_makemsg("No message selected\n");
2121    return;
2122  }
2123
2124  /* for now we skip admin messages. */
2125  if (owl_message_is_type_admin(m)
2126      || owl_message_is_login(m)
2127      || !owl_message_is_type_zephyr(m)) {
2128    owl_function_makemsg("smartzpunt doesn't support this message type.");
2129    return;
2130  }
2131
2132  mclass = owl_message_get_class(m);
2133  minst = owl_message_get_instance(m);
2134  if (!mclass || !*mclass || *mclass==' '
2135      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2136      || (type && (!minst || !*minst|| *minst==' '))) {
2137    owl_function_makemsg("smartzpunt can't safely do this for <%s,%s>",
2138                         mclass, minst);
2139  } else {
2140    cmdprefix = "start-command zpunt ";
2141    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+3);
2142    strcpy(cmd, cmdprefix);
2143    strcat(cmd, mclass);
2144    if (type) {
2145      strcat(cmd, " ");
2146      strcat(cmd, minst);
2147    } else {
2148      strcat(cmd, " *");
2149    }
2150    owl_function_command(cmd);
2151    owl_free(cmd);
2152  }
2153}
2154
2155
2156
2157void owl_function_color_current_filter(char *color) {
2158  owl_filter *f;
2159  char *name;
2160
2161  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2162  f=owl_global_get_filter(&g, name);
2163  if (!f) {
2164    owl_function_makemsg("Unknown filter");
2165    return;
2166  }
2167
2168  /* don't touch the all filter */
2169  if (!strcmp(name, "all")) {
2170    owl_function_makemsg("You may not change the 'all' filter.");
2171    return;
2172  }
2173
2174  /* deal with the case of trying change the filter color */
2175  owl_filter_set_color(f, owl_util_string_to_color(color));
2176  owl_global_set_needrefresh(&g);
2177  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2178}
2179
2180void owl_function_show_colors() {
2181  owl_fmtext fm;
2182
2183  owl_fmtext_init_null(&fm);
2184  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT);
2185  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED);
2186  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN);
2187  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW);
2188  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE);
2189  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA);
2190  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN);
2191  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE);
2192
2193  owl_function_popless_fmtext(&fm);
2194  owl_fmtext_free(&fm);
2195}
2196
2197void owl_function_zpunt(char *class, char *inst, char *recip, int direction) {
2198  /* add the given class, inst, recip to the punt list for filtering.
2199   *   if direction==0 then punt
2200   *   if direction==1 then unpunt */
2201  owl_filter *f;
2202  owl_list *fl;
2203  char *buff;
2204  int ret, i, j;
2205
2206  fl=owl_global_get_puntlist(&g);
2207
2208  /* first, create the filter */
2209  f=malloc(sizeof(owl_filter));
2210  buff=malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
2211  if (!strcmp(recip, "*")) {
2212    sprintf(buff, "class ^%s$ and instance ^%s$", class, inst);
2213  } else {
2214    sprintf(buff, "class ^%s$ and instance ^%s$ and recipient %s", class, inst, recip);
2215  }
2216  owl_function_debugmsg("About to filter %s", buff);
2217  ret=owl_filter_init_fromstring(f, "punt-filter", buff);
2218  owl_free(buff);
2219  if (ret) {
2220    owl_function_makemsg("Error creating filter for zpunt");
2221    owl_filter_free(f);
2222    return;
2223  }
2224
2225  /* Check for an identical filter */
2226  j=owl_list_get_size(fl);
2227  for (i=0; i<j; i++) {
2228    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2229      /* if we're punting, then just silently bow out on this duplicate */
2230      if (direction==0) {
2231        owl_filter_free(f);
2232        return;
2233      }
2234
2235      /* if we're unpunting, then remove this filter from the puntlist */
2236      if (direction==1) {
2237        owl_filter_free(owl_list_get_element(fl, i));
2238        owl_list_remove_element(fl, i);
2239        return;
2240      }
2241    }
2242  }
2243
2244  /* If we're punting, add the filter to the global punt list */
2245  if (direction==0) {
2246    owl_list_append_element(fl, f);
2247  }
2248}
2249
2250void owl_function_activate_keymap(char *keymap) {
2251  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
2252    owl_function_makemsg("Unable to activate keymap '%s'", keymap);
2253  }
2254}
2255
2256
2257void owl_function_show_keymaps() {
2258  owl_list l;
2259  owl_fmtext fm;
2260  owl_keymap *km;
2261  owl_keyhandler *kh;
2262  int i, numkm;
2263  char *kmname;
2264
2265  kh = owl_global_get_keyhandler(&g);
2266  owl_fmtext_init_null(&fm);
2267  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2268  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2269  owl_keyhandler_get_keymap_names(kh, &l);
2270  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2271  owl_fmtext_append_normal(&fm, "\n");
2272
2273  numkm = owl_list_get_size(&l);
2274  for (i=0; i<numkm; i++) {
2275    kmname = owl_list_get_element(&l, i);
2276    km = owl_keyhandler_get_keymap(kh, kmname);
2277    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2278    owl_keymap_get_details(km, &fm);   
2279  }
2280  owl_fmtext_append_normal(&fm, "\n");
2281 
2282  owl_function_popless_fmtext(&fm);
2283  owl_keyhandler_keymap_namelist_free(&l);
2284  owl_fmtext_free(&fm);
2285}
2286
2287char *owl_function_keymap_summary(void *name) {
2288  owl_keymap *km
2289    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2290  if (km) return owl_keymap_summary(km);
2291  else return(NULL);
2292}
2293
2294/* TODO: implement for real */
2295void owl_function_show_keymap(char *name) {
2296  owl_fmtext fm;
2297  owl_keymap *km;
2298
2299  owl_fmtext_init_null(&fm);
2300  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2301  if (km) {
2302    owl_keymap_get_details(km, &fm);
2303  } else {
2304    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2305  } 
2306  owl_function_popless_fmtext(&fm);
2307  owl_fmtext_free(&fm);
2308}
2309
2310void owl_function_help_for_command(char *cmdname) {
2311  owl_fmtext fm;
2312
2313  owl_fmtext_init_null(&fm);
2314  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2315  owl_function_popless_fmtext(&fm); 
2316  owl_fmtext_free(&fm);
2317}
2318
2319void owl_function_search_start(char *string, int direction) {
2320  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2321  owl_global_set_search_active(&g, string);
2322  owl_function_search_helper(0, direction);
2323}
2324
2325void owl_function_search_continue(int direction) {
2326  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2327  owl_function_search_helper(1, direction);
2328}
2329
2330void owl_function_search_helper(int mode, int direction) {
2331  /* move to a message that contains the string.  If direction is
2332   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2333   * OWL_DIRECTION_UPWARDS then search backwards.
2334   *
2335   * If mode==0 then it will stay on the current message if it
2336   * contains the string.
2337   */
2338
2339  owl_view *v;
2340  int viewsize, i, curmsg, start;
2341  owl_message *m;
2342
2343  v=owl_global_get_current_view(&g);
2344  viewsize=owl_view_get_size(v);
2345  curmsg=owl_global_get_curmsg(&g);
2346 
2347  if (viewsize==0) {
2348    owl_function_makemsg("No messages present");
2349    return;
2350  }
2351
2352  if (mode==0) {
2353    start=curmsg;
2354  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2355    start=curmsg+1;
2356  } else {
2357    start=curmsg-1;
2358  }
2359
2360  /* bounds check */
2361  if (start>=viewsize || start<0) {
2362    owl_function_makemsg("No further matches found");
2363    return;
2364  }
2365
2366  for (i=start; i<viewsize && i>=0;) {
2367    m=owl_view_get_element(v, i);
2368    if (owl_message_search(m, owl_global_get_search_string(&g))) {
2369      owl_global_set_curmsg(&g, i);
2370      owl_function_calculate_topmsg(direction);
2371      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2372      if (direction==OWL_DIRECTION_DOWNWARDS) {
2373        owl_global_set_direction_downwards(&g);
2374      } else {
2375        owl_global_set_direction_upwards(&g);
2376      }
2377      return;
2378    }
2379    if (direction==OWL_DIRECTION_DOWNWARDS) {
2380      i++;
2381    } else {
2382      i--;
2383    }
2384  }
2385  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2386  owl_function_makemsg("No matches found");
2387}
2388
2389
2390/* strips formatting from ztext and returns the unformatted text.
2391 * caller is responsible for freeing. */
2392char *owl_function_ztext_stylestrip(char *zt) {
2393  owl_fmtext fm;
2394  char *plaintext;
2395
2396  owl_fmtext_init_null(&fm);
2397  owl_fmtext_append_ztext(&fm, zt);
2398  plaintext = owl_fmtext_print_plain(&fm);
2399  owl_fmtext_free(&fm);
2400  return(plaintext);
2401}
2402
2403/* popup a znol listing.  If file is NULL use the default .anyone */
2404/* this doesn't obey 'elapsed' or 'timesort' yet */
2405void owl_function_zlist(char *file, int elapsed, int timesort) {
2406  char *ourfile, *tmp, buff[LINE], *line;
2407  FILE *f;
2408  int numlocs, ret, i;
2409  ZLocations_t location[200];
2410  owl_fmtext fm;
2411
2412  if (file==NULL) {
2413    tmp=owl_global_get_homedir(&g);
2414    if (!tmp) {
2415      owl_function_makemsg("Could not determine home directory");
2416      return;
2417    }
2418    ourfile=owl_malloc(strlen(tmp)+50);
2419    sprintf(ourfile, "%s/.anyone", owl_global_get_homedir(&g));
2420  } else {
2421    ourfile=owl_strdup(file);
2422  }
2423
2424  f=fopen(ourfile, "r");
2425  if (!f) {
2426    owl_function_makemsg("Error opening file %s", ourfile);
2427    return;
2428  }
2429
2430  owl_fmtext_init_null(&fm);
2431   
2432  while (fgets(buff, LINE, f)!=NULL) {
2433    /* ignore comments, blank lines etc. */
2434    if (buff[0]=='#') continue;
2435    if (buff[0]=='\n') continue;
2436    if (buff[0]=='\0') continue;
2437
2438    /* strip the \n */
2439    buff[strlen(buff)-1]='\0';
2440
2441    /* ingore from # on */
2442    tmp=strchr(buff, '#');
2443    if (tmp) tmp[0]='\0';
2444
2445    /* ingore from SPC */
2446    tmp=strchr(buff, ' ');
2447    if (tmp) tmp[0]='\0';
2448
2449    /* stick on the local realm. */
2450    if (!strchr(buff, '@')) {
2451      strcat(buff, "@");
2452      strcat(buff, ZGetRealm());
2453    }
2454
2455    ret=ZLocateUser(buff, &numlocs, ZAUTH);
2456    if (ret!=ZERR_NONE) {
2457      owl_function_makemsg("Error getting location for %s", buff);
2458      continue;
2459    }
2460
2461    numlocs=200;
2462    ret=ZGetLocations(location, &numlocs);
2463    if (ret==0) {
2464      for (i=0; i<numlocs; i++) {
2465        line=malloc(strlen(location[i].host)+strlen(location[i].time)+strlen(location[i].tty)+100);
2466        tmp=short_zuser(buff);
2467        sprintf(line, "%-10.10s %-24.24s %-12.12s  %20.20s\n",
2468                tmp,
2469                location[i].host,
2470                location[i].tty,
2471                location[i].time);
2472        owl_fmtext_append_normal(&fm, line);
2473        owl_free(tmp);
2474      }
2475      if (numlocs>=200) {
2476        owl_fmtext_append_normal(&fm, "Too many locations found for this user, truncating.\n");
2477      }
2478    }
2479  }
2480  fclose(f);
2481
2482  owl_function_popless_fmtext(&fm);
2483  owl_fmtext_free(&fm);
2484
2485  owl_free(ourfile);
2486}
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