source: functions.c @ 9bd2c17

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 9bd2c17 was 9bd2c17, checked in by James M. Kretchmar <kretch@mit.edu>, 18 years ago
Changed getsubs to print subs in the order you get them in.
  • Property mode set to 100644
File size: 60.9 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_adminmsg_outgoing(char *header, char *body, char *zwriteline) {
83  owl_message *m;
84  int followlast;
85 
86  followlast=owl_global_should_followlast(&g);
87  m=owl_malloc(sizeof(owl_message));
88  owl_message_create_admin(m, header, body);
89  owl_message_set_admin_outgoing(m, zwriteline);
90  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
91  owl_view_consider_message(owl_global_get_current_view(&g), m);
92
93  if (followlast) owl_function_lastmsg_noredisplay();
94
95  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
96  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
97    owl_popwin_refresh(owl_global_get_popwin(&g));
98  }
99 
100  wnoutrefresh(owl_global_get_curs_recwin(&g));
101  owl_global_set_needrefresh(&g);
102}
103
104void owl_function_zwrite_setup(char *line) {
105  owl_editwin *e;
106  char buff[1024];
107  owl_zwrite z;
108  int ret;
109
110  /* check the arguments */
111  ret=owl_zwrite_create_from_line(&z, line);
112  if (ret) {
113    owl_function_makemsg("Error in zwrite arugments");
114    owl_zwrite_free(&z);
115    return;
116  }
117
118  /* send a ping if necessary */
119  if (owl_global_is_txping(&g)) {
120    owl_zwrite_send_ping(&z);
121  }
122  owl_zwrite_free(&z);
123
124  /* create and setup the editwin */
125  e=owl_global_get_typwin(&g);
126  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE,
127                        owl_global_get_msg_history(&g));
128
129  if (!owl_global_get_lockout_ctrld(&g)) {
130    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
131  } else {
132    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
133  }
134
135  owl_editwin_clear(e);
136  owl_editwin_set_dotsend(e);
137  strcpy(buff, "----> ");
138  strcat(buff, line);
139  strcat(buff, "\n");
140  owl_editwin_set_locktext(e, buff);
141
142  /* make it active */
143  owl_global_set_typwin_active(&g);
144}
145
146void owl_function_zwrite(char *line) {
147  char *tmpbuff, buff[1024];
148  owl_zwrite z;
149  int i, j;
150
151  /* create the zwrite and send the message */
152  owl_zwrite_create_from_line(&z, line);
153  owl_zwrite_send_message(&z, owl_editwin_get_text(owl_global_get_typwin(&g)));
154  owl_function_makemsg("Waiting for ack...");
155
156  /* display the message as an admin message in the receive window */
157  if (owl_global_is_displayoutgoing(&g) && owl_zwrite_is_personal(&z)) {
158    owl_zwrite_get_recipstr(&z, buff);
159    tmpbuff = owl_sprintf("Message sent to %s", buff);
160    owl_function_adminmsg_outgoing(tmpbuff, owl_editwin_get_text(owl_global_get_typwin(&g)), line);
161    owl_free(tmpbuff);
162  }
163
164  /* log it if we have logging turned on */
165  if (owl_global_is_logging(&g) && owl_zwrite_is_personal(&z)) {
166    j=owl_zwrite_get_numrecips(&z);
167    for (i=0; i<j; i++) {
168      owl_log_outgoing(owl_zwrite_get_recip_n(&z, i),
169                       owl_editwin_get_text(owl_global_get_typwin(&g)));
170    }
171  }
172
173  /* free the zwrite */
174  owl_zwrite_free(&z);
175}
176
177
178/* If filter is non-null, looks for the next message matching
179 * that filter.  If skip_deleted, skips any deleted messages.
180 * If last_if_none, will stop at the last message in the view
181 * if no matching messages are found.  */
182void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none) {
183  int curmsg, i, viewsize, found;
184  owl_view *v;
185  owl_filter *f = NULL;
186  owl_message *m;
187
188  v=owl_global_get_current_view(&g);
189
190  if (filter) {
191    f=owl_global_get_filter(&g, filter);
192    if (!f) {
193      owl_function_makemsg("No %s filter defined", filter);
194      return;
195    }
196  }
197
198  curmsg=owl_global_get_curmsg(&g);
199  viewsize=owl_view_get_size(v);
200  found=0;
201
202  /* just check to make sure we're in bounds... */
203  if (curmsg>viewsize-1) curmsg=viewsize-1;
204  if (curmsg<0) curmsg=0;
205
206  for (i=curmsg+1; i<viewsize; i++) {
207    m=owl_view_get_element(v, i);
208    if (skip_deleted && owl_message_is_delete(m)) continue;
209    if (f && !owl_filter_message_match(f, m)) continue;
210    found = 1;
211    break;
212  }
213
214  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
215
216  if (!found) {
217    owl_function_makemsg("already at last%s message%s%s",
218                         skip_deleted?" non-deleted":"",
219                         filter?" in ":"", filter?filter:"");
220    if (!skip_deleted) owl_function_beep();
221  }
222
223  if (last_if_none || found) {
224    owl_global_set_curmsg(&g, i);
225    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
226    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
227    owl_global_set_direction_downwards(&g);
228  }
229}
230
231void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none) {
232  int curmsg, i, viewsize, found;
233  owl_view *v;
234  owl_filter *f = NULL;
235  owl_message *m;
236
237  v=owl_global_get_current_view(&g);
238
239  if (filter) {
240    f=owl_global_get_filter(&g, filter);
241    if (!f) {
242      owl_function_makemsg("No %s filter defined", filter);
243      return;
244    }
245  }
246
247  curmsg=owl_global_get_curmsg(&g);
248  viewsize=owl_view_get_size(v);
249  found=0;
250
251  /* just check to make sure we're in bounds... */
252  if (curmsg>viewsize-1) curmsg=viewsize-1;
253  if (curmsg<0) curmsg=0;
254
255  for (i=curmsg-1; i>=0; i--) {
256    m=owl_view_get_element(v, i);
257    if (skip_deleted && owl_message_is_delete(m)) continue;
258    if (f && !owl_filter_message_match(f, m)) continue;
259    found = 1;
260    break;
261  }
262
263  if (i<0) i=0;
264
265  if (!found) {
266    owl_function_makemsg("already at first%s message%s%s",
267                         skip_deleted?" non-deleted":"",
268                         filter?" in ":"", filter?filter:"");
269    if (!skip_deleted) owl_function_beep();
270  }
271
272  if (first_if_none || found) {
273    owl_global_set_curmsg(&g, i);
274    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
275    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
276    owl_global_set_direction_upwards(&g);
277  }
278}
279
280void owl_function_nextmsg() {
281  owl_function_nextmsg_full(NULL, 0, 1);
282}
283
284
285void owl_function_prevmsg() {
286  owl_function_prevmsg_full(NULL, 0, 1);
287}
288
289void owl_function_nextmsg_notdeleted() {
290  owl_function_nextmsg_full(NULL, 1, 1);
291}
292
293
294void owl_function_prevmsg_notdeleted() {
295  owl_function_prevmsg_full(NULL, 1, 1);
296}
297
298
299void owl_function_nextmsg_personal() {
300  owl_function_nextmsg_full("personal", 0, 0);
301}
302
303void owl_function_prevmsg_personal() {
304  owl_function_prevmsg_full("personal", 0, 0);
305}
306
307
308/* if move_after is 1, moves after the delete */
309void owl_function_deletecur(int move_after) {
310  int curmsg;
311  owl_view *v;
312
313  v=owl_global_get_current_view(&g);
314
315  /* bail if there's no current message */
316  if (owl_view_get_size(v) < 1) {
317    owl_function_makemsg("No current message to delete");
318    return;
319  }
320
321  /* mark the message for deletion */
322  curmsg=owl_global_get_curmsg(&g);
323  owl_view_delete_element(v, curmsg);
324
325  if (move_after) {
326    /* move the poiner in the appropriate direction
327     * to the next undeleted msg */
328    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
329      owl_function_prevmsg_notdeleted();
330    } else {
331      owl_function_nextmsg_notdeleted();
332    }
333  }
334}
335
336
337void owl_function_undeletecur(int move_after) {
338  int curmsg;
339  owl_view *v;
340
341  v=owl_global_get_current_view(&g);
342 
343  if (owl_view_get_size(v) < 1) {
344    owl_function_makemsg("No current message to undelete");
345    return;
346  }
347  curmsg=owl_global_get_curmsg(&g);
348
349  owl_view_undelete_element(v, curmsg);
350
351  if (move_after) {
352    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
353      if (curmsg>0) {
354        owl_function_prevmsg();
355      } else {
356        owl_function_nextmsg();
357      }
358    } else {
359      owl_function_nextmsg();
360    }
361  }
362
363  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
364}
365
366
367void owl_function_expunge() {
368  int curmsg;
369  owl_message *m;
370  owl_messagelist *ml;
371  owl_view *v;
372  int i, j;
373
374  curmsg=owl_global_get_curmsg(&g);
375  v=owl_global_get_current_view(&g);
376  ml=owl_global_get_msglist(&g);
377
378  /* first try to move to an undeleted message in the view*/
379  m=owl_view_get_element(v, curmsg);
380  if (owl_message_is_delete(m)) {
381    /* try to find the next undeleted message */
382    j=owl_view_get_size(v);
383    for (i=curmsg; i<j; i++) {
384      if (!owl_message_is_delete(owl_view_get_element(v, i))) {
385        owl_global_set_curmsg(&g, i);
386        break;
387      }
388    }
389
390    /* if we weren't successful try to find one backwards */
391    curmsg=owl_global_get_curmsg(&g);
392    if (owl_message_is_delete(owl_view_get_element(v, curmsg))) {
393      for (i=curmsg; i>0; i--) {
394        if (!owl_message_is_delete(owl_view_get_element(v, i))) {
395          owl_global_set_curmsg(&g, i);
396          break;
397        }
398      }
399    }
400  }
401
402  /* expunge the message list */
403  owl_messagelist_expunge(ml);
404
405  /* update all views (we only have one right now) */
406  owl_view_recalculate(v);
407
408  if (curmsg>owl_view_get_size(v)-1) {
409    owl_global_set_curmsg(&g, owl_view_get_size(v)-1);
410    if (owl_global_get_curmsg(&g)<0) {
411      owl_global_set_curmsg(&g, 0);
412    }
413    owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
414  }
415
416  /* if there are no messages set the direction to down in case we
417     delete everything upwards */
418  owl_global_set_direction_downwards(&g);
419 
420  owl_function_makemsg("Messages expunged");
421  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
422}
423
424
425void owl_function_firstmsg() {
426  owl_global_set_curmsg(&g, 0);
427  owl_global_set_topmsg(&g, 0);
428  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
429  owl_global_set_direction_downwards(&g);
430}
431
432void owl_function_lastmsg_noredisplay() {
433  int curmsg;
434  owl_view *v;
435
436  v=owl_global_get_current_view(&g);
437 
438  curmsg=owl_view_get_size(v)-1;
439  if (curmsg<0) curmsg=0;
440  owl_global_set_curmsg(&g, curmsg);
441  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
442  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
443  owl_global_set_direction_downwards(&g);
444}
445
446void owl_function_lastmsg() {
447  owl_function_lastmsg_noredisplay();
448  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
449}
450
451void owl_function_shift_right() {
452  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
453  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
454  owl_global_set_needrefresh(&g);
455}
456
457
458void owl_function_shift_left() {
459  int shift;
460
461  shift=owl_global_get_rightshift(&g);
462  if (shift>=10) {
463    owl_global_set_rightshift(&g, shift-10);
464    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
465    owl_global_set_needrefresh(&g);
466  } else {
467    owl_function_beep();
468    owl_function_makemsg("Already full left");
469  }
470}
471
472
473void owl_function_unsuball() {
474  unsuball();
475  owl_function_makemsg("Unsubscribed from all messages.");
476}
477
478void owl_function_loadsubs(char *file) {
479  int ret;
480  ret=owl_zephyr_loadsubs(file);
481  if (ret==0) {
482    owl_function_makemsg("Subscribed to messages from file.");
483  } else if (ret==-1) {
484    owl_function_makemsg("Could not open file.");
485  } else {
486    owl_function_makemsg("Error subscribing to messages from file.");
487  }
488}
489
490void owl_function_suspend() {
491  endwin();
492  printf("\n");
493  kill(getpid(), SIGSTOP);
494
495  /* resize to reinitialize all the windows when we come back */
496  owl_command_resize();
497}
498
499void owl_function_zaway_toggle() {
500  if (!owl_global_is_zaway(&g)) {
501    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
502    owl_function_zaway_on();
503  } else {
504    owl_function_zaway_off();
505  }
506}
507
508void owl_function_zaway_on() {
509  owl_global_set_zaway_on(&g);
510  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
511}
512
513void owl_function_zaway_off() {
514  owl_global_set_zaway_off(&g);
515  owl_function_makemsg("zaway off");
516}
517
518void owl_function_quit() {
519  char *ret;
520 
521  /* zlog out if we need to */
522  if (owl_global_is_shutdownlogout(&g)) {
523    owl_function_zlog_out();
524  }
525
526  /* execute the commands in shutdown */
527  ret = owl_config_execute("owl::shutdown();");
528  if (ret) owl_free(ret);
529
530  /* final clean up */
531  unsuball();
532  ZClosePort();
533  endwin();
534  owl_function_debugmsg("Quitting Owl");
535  exit(0);
536}
537
538
539void owl_function_zlog_in() {
540  char *exposure, *eset;
541  int ret;
542
543  eset=EXPOSE_REALMVIS;
544  exposure=ZGetVariable("exposure");
545  if (exposure==NULL) {
546    eset=EXPOSE_REALMVIS;
547  } else if (!strcasecmp(exposure,EXPOSE_NONE)) {
548    eset = EXPOSE_NONE;
549  } else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
550    eset = EXPOSE_OPSTAFF;
551  } else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
552    eset = EXPOSE_REALMVIS;
553  } else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
554    eset = EXPOSE_REALMANN;
555  } else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
556    eset = EXPOSE_NETVIS;
557  } else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
558    eset = EXPOSE_NETANN;
559  }
560   
561  ret=ZSetLocation(eset);
562  if (ret != ZERR_NONE) {
563    /*
564      char buff[LINE];
565      sprintf(buff, "Error setting location: %s", error_message(ret));
566      owl_function_makemsg(buff);
567    */
568  }
569}
570
571void owl_function_zlog_out() {
572  int ret;
573 
574  ret=ZUnsetLocation();
575  if (ret != ZERR_NONE) {
576    /*
577      char buff[LINE];
578      sprintf(buff, "Error unsetting location: %s", error_message(ret));
579      owl_function_makemsg(buff);
580    */
581  }
582}
583
584
585void owl_function_makemsg(char *fmt, ...) {
586  va_list ap;
587  char buff[2048];
588
589  va_start(ap, fmt);
590  werase(owl_global_get_curs_msgwin(&g));
591 
592  vsnprintf(buff, 2048, fmt, ap);
593  owl_function_debugmsg("makemsg: %s", buff);
594  waddstr(owl_global_get_curs_msgwin(&g), buff); 
595  wnoutrefresh(owl_global_get_curs_msgwin(&g));
596  owl_global_set_needrefresh(&g);
597  va_end(ap);
598}
599
600void owl_function_errormsg(char *fmt, ...) {
601  va_list ap;
602  char buff[2048];
603
604  va_start(ap, fmt);
605  werase(owl_global_get_curs_msgwin(&g));
606 
607  vsnprintf(buff, 2048, fmt, ap);
608  owl_function_debugmsg("ERROR: %s", buff);
609  waddstr(owl_global_get_curs_msgwin(&g), buff); 
610  waddstr(owl_global_get_curs_msgwin(&g), "ERROR: "); 
611  wnoutrefresh(owl_global_get_curs_msgwin(&g));
612  owl_global_set_needrefresh(&g);
613  va_end(ap);
614}
615
616
617void owl_function_openurl() {
618  /* visit the first url in the current message */
619  owl_message *m;
620  owl_view *v;
621  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
622  int webbrowser;
623
624  webbrowser = owl_global_get_webbrowser(&g);
625
626  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
627    owl_function_makemsg("No browser selected");
628    return;
629  }
630
631  v=owl_global_get_current_view(&g);
632 
633  if (owl_view_get_size(v)==0) {
634    owl_function_makemsg("No current message selected");
635    return;
636  }
637
638  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
639  text=owl_message_get_text(m);
640
641  /* First look for a good URL */ 
642  if ((ptr1=strstr(text, "http://"))!=NULL) {
643    ptr2=strpbrk(ptr1, " \n\t");
644    if (ptr2) {
645      strncpy(url, ptr1, ptr2-ptr1+1);
646      url[ptr2-ptr1+1]='\0';
647    } else {
648      strcpy(url, ptr1);
649    }
650
651    /* if we had <http strip a trailing > */
652    if (ptr1>text && ptr1[-1]=='<') {
653      if (url[strlen(url)-1]=='>') {
654        url[strlen(url)-1]='\0';
655      }
656    }
657  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
658    /* Look for an https URL */ 
659    ptr2=strpbrk(ptr1, " \n\t");
660    if (ptr2) {
661      strncpy(url, ptr1, ptr2-ptr1+1);
662      url[ptr2-ptr1+1]='\0';
663    } else {
664      strcpy(url, ptr1);
665    }
666   
667    /* if we had <http strip a trailing > */
668    if (ptr1>text && ptr1[-1]=='<') {
669      if (url[strlen(url)-1]=='>') {
670        url[strlen(url)-1]='\0';
671      }
672    }
673  } else if ((ptr1=strstr(text, "www."))!=NULL) {
674    /* if we can't find a real url look for www.something */
675    ptr2=strpbrk(ptr1, " \n\t");
676    if (ptr2) {
677      strncpy(url, ptr1, ptr2-ptr1+1);
678      url[ptr2-ptr1+1]='\0';
679    } else {
680      strcpy(url, ptr1);
681    }
682  } else {
683    owl_function_beep();
684    owl_function_makemsg("Could not find URL to open.");
685    return;
686  }
687
688  /* Make sure there aren't any quotes or \'s in the url */
689  for (ptr1 = url; *ptr1; ptr1++) {
690    if (*ptr1 == '"' || *ptr1 == '\\') {
691      owl_function_beep();
692      owl_function_makemsg("URL contains invalid characters.");
693      return;
694    }
695  }
696 
697  /* NOTE: There are potentially serious security issues here... */
698
699  /* open the page */
700  owl_function_makemsg("Opening %s", url);
701  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
702    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
703    system(tmpbuff); 
704  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
705    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
706    system(tmpbuff); 
707  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
708    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
709    system(tmpbuff); 
710  }
711}
712
713void owl_function_calculate_topmsg(int direction) {
714  int recwinlines, topmsg, curmsg;
715  owl_view *v;
716
717  v=owl_global_get_current_view(&g);
718  curmsg=owl_global_get_curmsg(&g);
719  topmsg=owl_global_get_topmsg(&g);
720  recwinlines=owl_global_get_recwin_lines(&g);
721
722  if (owl_view_get_size(v) < 1) {
723    return;
724  }
725
726  switch (owl_global_get_scrollmode(&g)) {
727  case OWL_SCROLLMODE_TOP:
728    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg,
729                                               topmsg, recwinlines);
730    break;
731  case OWL_SCROLLMODE_NEARTOP:
732    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, 
733                                                   topmsg, recwinlines);
734    break;
735  case OWL_SCROLLMODE_CENTER:
736    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg,
737                                                  topmsg, recwinlines);
738    break;
739  case OWL_SCROLLMODE_PAGED:
740    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, 
741                                                 topmsg, recwinlines, 0);
742    break;
743  case OWL_SCROLLMODE_PAGEDCENTER:
744    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, 
745                                                 topmsg, recwinlines, 1);
746    break;
747  case OWL_SCROLLMODE_NORMAL:
748  default:
749    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg,
750                                                  topmsg, recwinlines);
751  }
752  owl_global_set_topmsg(&g, topmsg);
753}
754
755/* Returns what the new topmsg should be. 
756 * Passed the last direction of movement,
757 * the current view,
758 * the current message number in the view,
759 * the top message currently being displayed,
760 * and the number of lines in the recwin.
761 */
762int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
763  return curmsg;
764}
765
766int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
767  if (curmsg>0 
768      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
769          <  recwinlines/2)) {
770    return curmsg-1;
771  } else {
772    return curmsg;
773  }
774}
775 
776int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
777  int i, last, lines;
778
779  last = curmsg;
780  lines = 0;
781  for (i=curmsg-1; i>=0; i--) {
782    lines += owl_message_get_numlines(owl_view_get_element(v, i));
783    if (lines > recwinlines/2) break;
784    last = i;
785  }
786  return last;
787}
788 
789int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page) {
790  int i, last, lines, savey;
791 
792  /* If we're off the top of the screen, scroll up such that the
793   * curmsg is near the botton of the screen. */
794  if (curmsg < topmsg) {
795    last = curmsg;
796    lines = 0;
797    for (i=curmsg; i>=0; i--) {
798      lines += owl_message_get_numlines(owl_view_get_element(v, i));
799      if (lines > recwinlines) break;
800    last = i;
801    }
802    if (center_on_page) {
803      return owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
804    } else {
805      return last;
806    }
807  }
808
809  /* Find number of lines from top to bottom of curmsg (store in savey) */
810  savey=0;
811  for (i=topmsg; i<=curmsg; i++) {
812    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
813  }
814
815  /* if we're off the bottom of the screen, scroll down */
816  if (savey > recwinlines) {
817    if (center_on_page) {
818      return owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
819    } else {
820      return curmsg;
821    }
822  }
823
824  /* else just stay as we are... */
825  return topmsg;
826}
827
828
829int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines) {
830  int savey, j, i, foo, y;
831 
832  /* Find number of lines from top to bottom of curmsg (store in savey) */
833  savey=0;
834  for (i=topmsg; i<=curmsg; i++) {
835    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
836  }
837
838  /* If the direction is DOWNWARDS but we're off the bottom of the
839   *  screen, then set the topmsg to curmsg and scroll UPWARDS
840   */
841  if (direction == OWL_DIRECTION_DOWNWARDS) {
842    if (savey > recwinlines) {
843      topmsg=curmsg;
844      savey=owl_message_get_numlines(owl_view_get_element(v, i));
845      direction=OWL_DIRECTION_UPWARDS;
846    }
847  }
848
849  /* If our bottom line is less than 1/4 down the screen then scroll up */
850  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
851    if (savey < (recwinlines / 4)) {
852      y=0;
853      for (j=curmsg; j>=0; j--) {
854        foo=owl_message_get_numlines(owl_view_get_element(v, j));
855        /* will we run the curmsg off the screen? */
856        if ((foo+y) >= recwinlines) {
857          j++;
858          if (j>curmsg) j=curmsg;
859          break;
860        }
861        /* have saved 1/2 the screen space? */
862        y+=foo;
863        if (y > (recwinlines / 2)) break;
864      }
865      if (j<0) j=0;
866      return j;
867    }
868  }
869
870  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
871    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
872    if (savey > ((recwinlines * 3)/4)) {
873      y=0;
874      /* count lines from the top until we can save 1/2 the screen size */
875      for (j=topmsg; j<curmsg; j++) {
876        y+=owl_message_get_numlines(owl_view_get_element(v, j));
877        if (y > (recwinlines / 2)) break;
878      }
879      if (j==curmsg) {
880        j--;
881      }
882      return j+1;
883    }
884  }
885
886  return topmsg;
887}
888
889
890void owl_function_resize() {
891  owl_global_set_resize_pending(&g);
892}
893
894
895void owl_function_run_buffercommand() {
896  char *buff;
897
898  buff=owl_global_get_buffercommand(&g);
899  if (!strncmp(buff, "zwrite ", 7)) {
900
901    owl_function_zwrite(buff);
902  }
903}
904
905void owl_function_debugmsg(char *fmt, ...) {
906  FILE *file;
907  time_t now;
908  char buff1[LINE], buff2[LINE];
909  va_list ap;
910  va_start(ap, fmt);
911
912  if (!owl_global_is_debug_fast(&g)) return;
913
914  file=fopen(owl_global_get_debug_file(&g), "a");
915  if (!file) return;
916
917  now=time(NULL);
918  strcpy(buff1, ctime(&now));
919  buff1[strlen(buff1)-1]='\0';
920
921  owl_global_get_runtime_string(&g, buff2);
922 
923  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
924  vfprintf(file, fmt, ap);
925  fprintf(file, "\n");
926  fclose(file);
927
928  va_end(ap);
929}
930
931
932void owl_function_refresh() {
933  owl_function_resize();
934}
935
936void owl_function_beep() {
937  if (owl_global_is_bell(&g)) {
938    beep();
939  }
940}
941
942
943void owl_function_subscribe(char *class, char *inst, char *recip) {
944  int ret;
945
946  ret=owl_zephyr_sub(class, inst, recip);
947  if (ret) {
948    owl_function_makemsg("Error subscribing.");
949  } else {
950    owl_function_makemsg("Subscribed.");
951  }
952}
953
954
955void owl_function_unsubscribe(char *class, char *inst, char *recip) {
956  int ret;
957
958  ret=owl_zephyr_unsub(class, inst, recip);
959  if (ret) {
960    owl_function_makemsg("Error subscribing.");
961  } else {
962    owl_function_makemsg("Unsubscribed.");
963  }
964}
965
966
967void owl_function_set_cursor(WINDOW *win) {
968  wnoutrefresh(win);
969}
970
971
972void owl_function_full_redisplay() {
973  redrawwin(owl_global_get_curs_recwin(&g));
974  redrawwin(owl_global_get_curs_sepwin(&g));
975  redrawwin(owl_global_get_curs_typwin(&g));
976  redrawwin(owl_global_get_curs_msgwin(&g));
977
978  wnoutrefresh(owl_global_get_curs_recwin(&g));
979  wnoutrefresh(owl_global_get_curs_sepwin(&g));
980  wnoutrefresh(owl_global_get_curs_typwin(&g));
981  wnoutrefresh(owl_global_get_curs_msgwin(&g));
982 
983  sepbar("");
984  owl_function_makemsg("");
985
986  owl_global_set_needrefresh(&g);
987}
988
989
990void owl_function_popless_text(char *text) {
991  owl_popwin *pw;
992  owl_viewwin *v;
993
994  pw=owl_global_get_popwin(&g);
995  v=owl_global_get_viewwin(&g);
996
997  owl_popwin_up(pw);
998  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
999                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1000                        text);
1001  owl_popwin_refresh(pw);
1002  owl_viewwin_redisplay(v, 0);
1003  owl_global_set_needrefresh(&g);
1004}
1005
1006
1007void owl_function_popless_fmtext(owl_fmtext *fm) {
1008  owl_popwin *pw;
1009  owl_viewwin *v;
1010
1011  pw=owl_global_get_popwin(&g);
1012  v=owl_global_get_viewwin(&g);
1013
1014  owl_popwin_up(pw);
1015  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1016                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1017                   fm);
1018  owl_popwin_refresh(pw);
1019  owl_viewwin_redisplay(v, 0);
1020  owl_global_set_needrefresh(&g);
1021}
1022
1023void owl_function_about() {
1024  char buff[5000];
1025
1026  sprintf(buff, "This is owl version %s\n", OWL_VERSION_STRING);
1027  strcat(buff, "\nOwl was written by James Kretchmar at the Massachusetts\n");
1028  strcat(buff, "Institute of Technology.  The first version, 0.5, was\n");
1029  strcat(buff, "released in March 2002\n");
1030  strcat(buff, "\n");
1031  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1032  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1033  strcat(buff, "between Witches and Wizards.\n");
1034  strcat(buff, "\n");
1035  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1036  strcat(buff, "\n");
1037  strcat(buff, "Permission to use, copy, modify, and distribute this\n");
1038  strcat(buff, "software and its documentation for any purpose and without\n");
1039  strcat(buff, "fee is hereby granted, provided that the above copyright\n");
1040  strcat(buff, "notice and this permission notice appear in all copies\n");
1041  strcat(buff, "and in supporting documentation.  No representation is\n");
1042  strcat(buff, "made about the suitability of this software for any\n");
1043  strcat(buff, "purpose.  It is provided \"as is\" without express\n");
1044  strcat(buff, "or implied warranty.\n");
1045  owl_function_popless_text(buff);
1046}
1047
1048void owl_function_info() {
1049  owl_message *m;
1050  ZNotice_t *n;
1051  char buff[2048], tmpbuff[1024];
1052  char *ptr;
1053  int i, j, fields, len;
1054  owl_view *v;
1055
1056  v=owl_global_get_current_view(&g);
1057 
1058  if (owl_view_get_size(v)==0) {
1059    owl_function_makemsg("No message selected\n");
1060    return;
1061  }
1062
1063  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1064  if (!owl_message_is_zephyr(m)) {
1065    sprintf(buff,   "Owl Message Id: %i\n", owl_message_get_id(m));
1066    sprintf(buff, "%sTime          : %s\n", buff, owl_message_get_timestr(m));
1067    owl_function_popless_text(buff);
1068    return;
1069  }
1070
1071  n=owl_message_get_notice(m);
1072
1073  sprintf(buff,   "Owl Msg ID: %i\n", owl_message_get_id(m));
1074  sprintf(buff, "%sClass     : %s\n", buff, n->z_class);
1075  sprintf(buff, "%sInstance  : %s\n", buff, n->z_class_inst);
1076  sprintf(buff, "%sSender    : %s\n", buff, n->z_sender);
1077  sprintf(buff, "%sRecip     : %s\n", buff, n->z_recipient);
1078  sprintf(buff, "%sOpcode    : %s\n", buff, n->z_opcode);
1079  strcat(buff,    "Kind      : ");
1080  if (n->z_kind==UNSAFE) {
1081    strcat(buff, "UNSAFE\n");
1082  } else if (n->z_kind==UNACKED) {
1083    strcat(buff, "UNACKED\n");
1084  } else if (n->z_kind==ACKED) {
1085    strcat(buff, "ACKED\n");
1086  } else if (n->z_kind==HMACK) {
1087    strcat(buff, "HMACK\n");
1088  } else if (n->z_kind==HMCTL) {
1089    strcat(buff, "HMCTL\n");
1090  } else if (n->z_kind==SERVACK) {
1091    strcat(buff, "SERVACK\n");
1092  } else if (n->z_kind==SERVNAK) {
1093    strcat(buff, "SERVNAK\n");
1094  } else if (n->z_kind==CLIENTACK) {
1095    strcat(buff, "CLIENTACK\n");
1096  } else if (n->z_kind==STAT) {
1097    strcat(buff, "STAT\n");
1098  } else {
1099    strcat(buff, "ILLEGAL VALUE\n");
1100  }
1101  sprintf(buff, "%sTime      : %s\n", buff, owl_message_get_timestr(m));
1102  sprintf(buff, "%sHost      : %s\n", buff, owl_message_get_hostname(m));
1103  sprintf(buff, "%sPort      : %i\n", buff, n->z_port);
1104  strcat(buff,    "Auth      : ");
1105  if (n->z_auth == ZAUTH_FAILED) {
1106    strcat(buff, "FAILED\n");
1107  } else if (n->z_auth == ZAUTH_NO) {
1108    strcat(buff, "NO\n");
1109  } else if (n->z_auth == ZAUTH_YES) {
1110    strcat(buff, "YES\n");
1111  } else {
1112    sprintf(buff, "%sUnknown State (%i)\n", buff, n->z_auth);
1113  }
1114  sprintf(buff, "%sCheckd Ath: %i\n", buff, n->z_checked_auth);
1115  sprintf(buff, "%sMulti notc: %s\n", buff, n->z_multinotice);
1116  sprintf(buff, "%sNum other : %i\n", buff, n->z_num_other_fields);
1117  sprintf(buff, "%sMsg Len   : %i\n", buff, n->z_message_len);
1118
1119  sprintf(buff, "%sFields    : %i\n", buff, owl_zephyr_get_num_fields(n));
1120
1121  fields=owl_zephyr_get_num_fields(n);
1122  for (i=0; i<fields; i++) {
1123    sprintf(buff, "%sField %i   : ", buff, i+1);
1124
1125    ptr=owl_zephyr_get_field(n, i+1, &len);
1126    if (!ptr) break;
1127    if (len<30) {
1128      strncpy(tmpbuff, ptr, len);
1129      tmpbuff[len]='\0';
1130    } else {
1131      strncpy(tmpbuff, ptr, 30);
1132      tmpbuff[30]='\0';
1133      strcat(tmpbuff, "...");
1134    }
1135
1136    /* just for testing for now */
1137    for (j=0; j<strlen(tmpbuff); j++) {
1138      if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1139      if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1140    }
1141
1142    strcat(buff, tmpbuff);
1143    strcat(buff, "\n");
1144  }
1145  sprintf(buff, "%sDefault Fm: %s\n", buff, n->z_default_format);
1146       
1147  owl_function_popless_text(buff);
1148}
1149
1150
1151void owl_function_curmsg_to_popwin() {
1152  owl_popwin *pw;
1153  owl_view *v;
1154  owl_message *m;
1155
1156  v = owl_global_get_current_view(&g);
1157
1158  pw=owl_global_get_popwin(&g);
1159
1160  if (owl_view_get_size(v)==0) {
1161    owl_function_makemsg("No current message");
1162    return;
1163  }
1164
1165  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1166  owl_function_popless_fmtext(owl_message_get_fmtext(m));
1167}
1168
1169
1170void owl_function_page_curmsg(int step) {
1171  /* scroll down or up within the current message IF the message is truncated */
1172
1173  int offset, curmsg, lines;
1174  owl_view *v;
1175  owl_message *m;
1176
1177  offset=owl_global_get_curmsg_vert_offset(&g);
1178  v=owl_global_get_current_view(&g);
1179  if (owl_view_get_size(v)==0) return;
1180  curmsg=owl_global_get_curmsg(&g);
1181  m=owl_view_get_element(v, curmsg);
1182  lines=owl_message_get_numlines(m);
1183
1184  if (offset==0) {
1185    /* Bail if the curmsg isn't the last one displayed */
1186    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1187      owl_function_makemsg("The entire message is already displayed");
1188      return;
1189    }
1190   
1191    /* Bail if we're not truncated */
1192    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1193      owl_function_makemsg("The entire message is already displayed");
1194      return;
1195    }
1196  }
1197 
1198 
1199  /* don't scroll past the last line */
1200  if (step>0) {
1201    if (offset+step > lines-1) {
1202      owl_global_set_curmsg_vert_offset(&g, lines-1);
1203    } else {
1204      owl_global_set_curmsg_vert_offset(&g, offset+step);
1205    }
1206  }
1207
1208  /* would we be before the beginning of the message? */
1209  if (step<0) {
1210    if (offset+step<0) {
1211      owl_global_set_curmsg_vert_offset(&g, 0);
1212    } else {
1213      owl_global_set_curmsg_vert_offset(&g, offset+step);
1214    }
1215  }
1216 
1217  /* redisplay */
1218  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1219  owl_global_set_needrefresh(&g);
1220}
1221
1222void owl_function_resize_typwin(int newsize) {
1223  owl_global_set_typwin_lines(&g, newsize);
1224  owl_function_resize();
1225}
1226
1227void owl_function_typwin_grow() {
1228  int i;
1229
1230  i=owl_global_get_typwin_lines(&g);
1231  owl_function_resize_typwin(i+1);
1232}
1233
1234void owl_function_typwin_shrink() {
1235  int i;
1236
1237  i=owl_global_get_typwin_lines(&g);
1238  if (i>2) {
1239    owl_function_resize_typwin(i-1);
1240  }
1241}
1242
1243void owl_function_mainwin_pagedown() {
1244  int i;
1245
1246  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1247  if (i<0) return;
1248  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1249      && (owl_global_get_curmsg(&g) < i)
1250      && (i>0)) {
1251    i--;
1252  }
1253  owl_global_set_curmsg(&g, i);
1254  owl_function_nextmsg();
1255}
1256
1257void owl_function_mainwin_pageup() {
1258  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1259  owl_function_prevmsg();
1260}
1261
1262void owl_function_getsubs() {
1263  int ret, num, i, one;
1264  ZSubscription_t sub;
1265  char *buff, *tmpbuff;
1266
1267  one = 1;
1268
1269  ret=ZRetrieveSubscriptions(0, &num);
1270  if (ret == ZERR_TOOMANYSUBS) {
1271    owl_function_makemsg("Zephyr: too many subscriptions");
1272    return;
1273  }
1274
1275  buff=owl_malloc(num*500);
1276  tmpbuff=owl_malloc(2048);
1277  strcpy(buff, "");
1278  for (i=0; i<num; i++) {
1279    if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
1280      owl_function_makemsg("Error while getting subscriptions");
1281      owl_free(buff);
1282      owl_free(tmpbuff);
1283      ZFlushSubscriptions();
1284      return;
1285    } else {
1286      sprintf(tmpbuff, "<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, buff);
1287      strcpy(buff, tmpbuff);
1288    }
1289  }
1290
1291  owl_function_popless_text(buff);
1292  owl_free(buff);
1293  owl_free(tmpbuff);
1294  ZFlushSubscriptions();
1295}
1296
1297#define PABUFLEN 5000
1298void owl_function_printallvars() {
1299  char buff[PABUFLEN], *pos, *name;
1300  owl_list varnames;
1301  int i, numvarnames, rem;
1302
1303  pos = buff;
1304  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1305  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1306  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1307  rem = (buff+PABUFLEN)-pos-1;
1308  numvarnames = owl_list_get_size(&varnames);
1309  for (i=0; i<numvarnames; i++) {
1310    name = owl_list_get_element(&varnames, i);
1311    if (name && name[0]!='_') {
1312      rem = (buff+PABUFLEN)-pos-1;   
1313      pos += snprintf(pos, rem, "\n%-20s = ", name);
1314      rem = (buff+PABUFLEN)-pos-1;   
1315      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1316      pos = buff+strlen(buff);
1317    }
1318  }
1319  rem = (buff+PABUFLEN)-pos-1;   
1320  snprintf(pos, rem, "\n");
1321  owl_variable_dict_namelist_free(&varnames);
1322 
1323  owl_function_popless_text(buff);
1324}
1325
1326void owl_function_show_variables() {
1327  owl_list varnames;
1328  owl_fmtext fm; 
1329  int i, numvarnames;
1330  char *varname;
1331
1332  owl_fmtext_init_null(&fm);
1333  owl_fmtext_append_bold(&fm, 
1334      "Variables: (use 'show variable <name>' for details)\n");
1335  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1336  numvarnames = owl_list_get_size(&varnames);
1337  for (i=0; i<numvarnames; i++) {
1338    varname = owl_list_get_element(&varnames, i);
1339    if (varname && varname[0]!='_') {
1340      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1341    }
1342  }
1343  owl_variable_dict_namelist_free(&varnames);
1344  owl_function_popless_fmtext(&fm);
1345  owl_fmtext_free(&fm);
1346}
1347
1348void owl_function_show_variable(char *name) {
1349  owl_fmtext fm; 
1350
1351  owl_fmtext_init_null(&fm);
1352  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1353  owl_function_popless_fmtext(&fm);
1354  owl_fmtext_free(&fm); 
1355}
1356
1357/* note: this applies to global message list, not to view.
1358 * If flag is 1, deletes.  If flag is 0, undeletes. */
1359void owl_function_delete_by_id(int id, int flag) {
1360  owl_messagelist *ml;
1361  owl_message *m;
1362  ml = owl_global_get_msglist(&g);
1363  m = owl_messagelist_get_by_id(ml, id);
1364  if (m) {
1365    if (flag == 1) {
1366      owl_message_mark_delete(m);
1367    } else if (flag == 0) {
1368      owl_message_unmark_delete(m);
1369    }
1370    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1371    owl_global_set_needrefresh(&g);
1372  } else {
1373    owl_function_makemsg("No message with id %d: unable to mark for (un)delete",id);
1374  }
1375}
1376
1377void owl_function_delete_automsgs() {
1378  /* mark for deletion all messages in the current view that match the
1379   * 'trash' filter */
1380
1381  int i, j, count;
1382  owl_message *m;
1383  owl_view *v;
1384  owl_filter *f;
1385
1386  /* get the trash filter */
1387  f=owl_global_get_filter(&g, "trash");
1388  if (!f) {
1389    owl_function_makemsg("No trash filter defined");
1390    return;
1391  }
1392
1393  v=owl_global_get_current_view(&g);
1394
1395  count=0;
1396  j=owl_view_get_size(v);
1397  for (i=0; i<j; i++) {
1398    m=owl_view_get_element(v, i);
1399    if (owl_filter_message_match(f, m)) {
1400      count++;
1401      owl_message_mark_delete(m);
1402    }
1403  }
1404  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1405  owl_function_makemsg("%i messages marked for deletion", count);
1406  owl_global_set_needrefresh(&g);
1407}
1408
1409
1410void owl_function_status() {
1411  char buff[5000];
1412  time_t start;
1413  int up, days, hours, minutes;
1414
1415  start=owl_global_get_starttime(&g);
1416
1417  sprintf(buff, "Version: %s\n", OWL_VERSION_STRING);
1418  sprintf(buff, "%sScreen size: %i lines, %i columns\n", buff, owl_global_get_lines(&g), owl_global_get_cols(&g));
1419  sprintf(buff, "%sStartup Arugments: %s\n", buff, owl_global_get_startupargs(&g));
1420  sprintf(buff, "%sStartup Time: %s", buff, ctime(&start));
1421
1422  up=owl_global_get_runtime(&g);
1423  days=up/86400;
1424  up-=days*86400;
1425  hours=up/3600;
1426  up-=hours*3600;
1427  minutes=up/60;
1428  up-=minutes*60;
1429  sprintf(buff, "%sRun Time: %i days %2.2i:%2.2i:%2.2i\n", buff, days, hours, minutes, up);
1430
1431  if (owl_global_get_hascolors(&g)) {
1432    sprintf(buff, "%sColor: Yes, %i color pairs.\n", buff, owl_global_get_colorpairs(&g));
1433  } else {
1434    strcat(buff, "Color: No.\n");
1435  }
1436 
1437  owl_function_popless_text(buff);
1438}
1439
1440void owl_function_show_term() {
1441  owl_fmtext fm;
1442  char buff[LINE];
1443
1444  owl_fmtext_init_null(&fm);
1445  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
1446          owl_global_get_lines(&g),
1447          owl_global_get_cols(&g));
1448  owl_fmtext_append_normal(&fm, buff);
1449
1450  if (owl_global_get_hascolors(&g)) {
1451    owl_fmtext_append_normal(&fm, "Color: Yes\n");
1452    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
1453    owl_fmtext_append_normal(&fm, buff);
1454    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
1455    owl_fmtext_append_normal(&fm, buff);
1456  } else {
1457    owl_fmtext_append_normal(&fm, "Color: No\n");
1458  }
1459
1460  owl_function_popless_fmtext(&fm);
1461  owl_fmtext_free(&fm);
1462}
1463
1464
1465void owl_function_reply(int type, int enter) {
1466  /* if type = 0 then normal reply.
1467   * if type = 1 then it's a reply to sender
1468   * if enter = 0 then allow the command to be edited
1469   * if enter = 1 then don't wait for editing
1470   */
1471  char *buff, *oldbuff;
1472  owl_message *m;
1473  owl_filter *f;
1474 
1475  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
1476    owl_function_makemsg("No message selected");
1477  } else {
1478    char *class, *inst, *to, *cc=NULL;
1479   
1480    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
1481
1482    /* first check if we catch the reply-lockout filter */
1483    f=owl_global_get_filter(&g, "reply-lockout");
1484    if (f) {
1485      if (owl_filter_message_match(f, m)) {
1486        owl_function_makemsg("Sorry, replies to this message have been disabled by the reply-lockout filter");
1487        return;
1488      }
1489    }
1490   
1491    if (owl_message_is_admin(m)) {
1492      if (owl_message_get_admintype(m)==OWL_MESSAGE_ADMINTYPE_OUTGOING) {
1493        owl_function_zwrite_setup(owl_message_get_zwriteline(m));
1494        owl_global_set_buffercommand(&g, owl_message_get_zwriteline(m));
1495      } else {
1496        owl_function_makemsg("You cannot reply to this admin message");
1497      }
1498    } else {
1499      if (owl_message_is_login(m)) {
1500        class="MESSAGE";
1501        inst="PERSONAL";
1502        to=owl_message_get_sender(m);
1503      } else if (type==1) {
1504        class="MESSAGE";
1505        inst="PERSONAL";
1506        to=owl_message_get_sender(m);
1507      } else {
1508        class=owl_message_get_class(m);
1509        inst=owl_message_get_instance(m);
1510        to=owl_message_get_recipient(m);
1511        cc=owl_message_get_cc(m);
1512        if (!strcmp(to, "") || !strcmp(to, "*")) {
1513          to="";
1514        } else if (to[0]=='@') {
1515          /* leave it, to get the realm */
1516        } else {
1517          to=owl_message_get_sender(m);
1518        }
1519      }
1520     
1521      /* create the command line */
1522      buff = owl_strdup("zwrite");
1523      if (strcasecmp(class, "message")) {
1524        buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
1525        owl_free(oldbuff);
1526      }
1527      if (strcasecmp(inst, "personal")) {
1528        buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
1529        owl_free(oldbuff);
1530      }
1531      if (*to != '\0') {
1532        char *tmp, *oldtmp;
1533        tmp=pretty_sender(to);
1534        if (cc) {
1535          tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
1536          owl_free(oldtmp);
1537          buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
1538          owl_free(oldbuff);
1539        } else {
1540          tmp=pretty_sender(to);
1541          buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
1542          owl_free(oldbuff);
1543        }
1544        owl_free(tmp);
1545      }
1546      if (cc) owl_free(cc);
1547
1548      if (enter) {
1549        owl_history *hist = owl_global_get_cmd_history(&g);
1550        owl_history_store(hist, buff);
1551        owl_history_reset(hist);
1552        owl_function_command_norv(buff);
1553      } else {
1554        owl_function_start_command(buff);
1555      }
1556      owl_free(buff);
1557    }
1558  }
1559}
1560
1561void owl_function_zlocate(char *user, int auth) {
1562  char buff[LINE], myuser[LINE];
1563  char *ptr;
1564
1565  strcpy(myuser, user);
1566  ptr=strchr(myuser, '@');
1567  if (!ptr) {
1568    strcat(myuser, "@");
1569    strcat(myuser, ZGetRealm());
1570  }
1571
1572  owl_zephyr_zlocate(myuser, buff, auth);
1573  owl_function_popless_text(buff);
1574}
1575
1576void owl_function_start_command(char *line) {
1577  int i, j;
1578  owl_editwin *tw;
1579
1580  tw=owl_global_get_typwin(&g);
1581  owl_global_set_typwin_active(&g);
1582  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
1583                        owl_global_get_cmd_history(&g));
1584
1585  owl_editwin_set_locktext(tw, "command: ");
1586  owl_global_set_needrefresh(&g);
1587
1588  j=strlen(line);
1589  for (i=0; i<j; i++) {
1590    owl_editwin_process_char(tw, line[i]);
1591  }
1592  owl_editwin_redisplay(tw, 0);
1593}
1594
1595char *owl_function_exec(int argc, char **argv, char *buff, int type) {
1596  /* if type == 1 display in a popup
1597   * if type == 2 display an admin messages
1598   * if type == 0 return output
1599   * else display in a popup
1600   */
1601  char *newbuff, *redirect = " 2>&1 < /dev/null";
1602  char *out, buff2[1024];
1603  int size;
1604  FILE *p;
1605
1606  if (argc<2) {
1607    owl_function_makemsg("Wrong number of arguments to the exec command");
1608    return NULL;
1609  }
1610
1611  buff = skiptokens(buff, 1);
1612  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
1613  strcpy(newbuff, buff);
1614  strcat(newbuff, redirect);
1615
1616  p=popen(newbuff, "r");
1617  out=owl_malloc(1024);
1618  size=1024;
1619  strcpy(out, "");
1620  while (fgets(buff2, 1024, p)!=NULL) {
1621    size+=1024;
1622    out=owl_realloc(out, size);
1623    strcat(out, buff2);
1624  }
1625  pclose(p);
1626
1627  if (type==1) {
1628    owl_function_popless_text(out);
1629  } else if (type==0) {
1630    return out;
1631  } else if (type==2) {
1632    owl_function_adminmsg(buff, out);
1633  } else {
1634    owl_function_popless_text(out);
1635  }
1636  owl_free(out);
1637  return NULL;
1638}
1639
1640
1641char *owl_function_perl(int argc, char **argv, char *buff, int type) {
1642  /* if type == 1 display in a popup
1643   * if type == 2 display an admin messages
1644   * if type == 0 return output
1645   * else display in a popup
1646   */
1647  char *perlout;
1648
1649  if (argc<2) {
1650    owl_function_makemsg("Wrong number of arguments to perl command");
1651    return NULL;
1652  }
1653
1654  /* consume first token (argv[0]) */
1655  buff = skiptokens(buff, 1);
1656
1657  perlout = owl_config_execute(buff);
1658  if (perlout) { 
1659    if (type==1) {
1660      owl_function_popless_text(perlout);
1661    } else if (type==2) {
1662      owl_function_adminmsg(buff, perlout);
1663    } else if (type==0) {
1664      return perlout;
1665    } else {
1666      owl_function_popless_text(perlout);
1667    }
1668    owl_free(perlout);
1669  }
1670  return NULL;
1671}
1672
1673
1674void owl_function_change_view(char *filtname) {
1675  owl_view *v;
1676  owl_filter *f;
1677  int curid=-1, newpos;
1678  owl_message *curm;
1679
1680  v=owl_global_get_current_view(&g);
1681  curm=owl_view_get_element(v, owl_global_get_curmsg(&g));
1682  if (curm) {
1683    curid = owl_message_get_id(curm);
1684    owl_view_save_curmsgid(v, curid);
1685  }
1686
1687  f=owl_global_get_filter(&g, filtname);
1688  if (!f) {
1689    owl_function_makemsg("Unknown filter");
1690    return;
1691  }
1692
1693  owl_view_free(v);
1694  owl_view_create(v, f);
1695
1696  /* Figure out where to set the current message to.
1697   * - If the previous view had messages in it, go to the closest message
1698   *   to the last message in that view.
1699   * - If the previous view was empty, attempts to restore the position
1700   *   from the last time we were in that view.  */
1701  if (curm) {
1702    newpos = owl_view_get_nearest_to_msgid(v, curid);
1703  } else {
1704    newpos = owl_view_get_nearest_to_saved(v);
1705  }
1706
1707  owl_global_set_curmsg(&g, newpos);
1708
1709  owl_global_set_curmsg_vert_offset(&g, 0);
1710  owl_global_set_direction_downwards(&g);
1711  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
1712  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1713}
1714
1715void owl_function_create_filter(int argc, char **argv) {
1716  owl_filter *f;
1717  owl_view *v;
1718  int ret, inuse=0;
1719
1720  if (argc < 2) {
1721    owl_function_makemsg("Wrong number of arguments to filter command");
1722    return;
1723  }
1724
1725  v=owl_global_get_current_view(&g);
1726
1727  /* don't touch the all filter */
1728  if (!strcmp(argv[1], "all")) {
1729    owl_function_makemsg("You may not change the 'all' filter.");
1730    return;
1731  }
1732
1733  /* deal with the case of trying change the filter color */
1734  if (argc==4 && !strcmp(argv[2], "-c")) {
1735    f=owl_global_get_filter(&g, argv[1]);
1736    if (!f) {
1737      owl_function_makemsg("The filter '%s' does not exist.", argv[1]);
1738      return;
1739    }
1740    owl_filter_set_color(f, owl_util_string_to_color(argv[3]));
1741    owl_global_set_needrefresh(&g);
1742    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1743    return;
1744  }
1745
1746  /* create the filter and check for errors */
1747  f=owl_malloc(sizeof(owl_filter));
1748  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
1749  if (ret==-1) {
1750    owl_free(f);
1751    owl_function_makemsg("Invalid filter syntax");
1752    return;
1753  }
1754
1755  /* if the named filter is in use by the current view, remember it */
1756  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
1757    inuse=1;
1758  }
1759
1760  /* if the named filter already exists, nuke it */
1761  if (owl_global_get_filter(&g, argv[1])) {
1762    owl_global_remove_filter(&g, argv[1]);
1763  }
1764
1765  /* add the filter */
1766  owl_global_add_filter(&g, f);
1767
1768  /* if it was in use by the current view then update */
1769  if (inuse) {
1770    owl_function_change_view(argv[1]);
1771  }
1772  owl_global_set_needrefresh(&g);
1773  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1774}
1775
1776void owl_function_show_filters() {
1777  owl_list *l;
1778  owl_filter *f;
1779  int i, j;
1780  owl_fmtext fm;
1781
1782  owl_fmtext_init_null(&fm);
1783
1784  l=owl_global_get_filterlist(&g);
1785  j=owl_list_get_size(l);
1786
1787  owl_fmtext_append_bold(&fm, "Filters:\n");
1788
1789  for (i=0; i<j; i++) {
1790    f=owl_list_get_element(l, i);
1791    owl_fmtext_append_normal(&fm, "   ");
1792    if (owl_global_get_hascolors(&g)) {
1793      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_color(f));
1794    } else {
1795      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
1796    }
1797    owl_fmtext_append_normal(&fm, "\n");
1798  }
1799  owl_function_popless_fmtext(&fm);
1800  owl_fmtext_free(&fm);
1801}
1802
1803void owl_function_show_filter(char *name) {
1804  owl_filter *f;
1805  char buff[5000];
1806
1807  f=owl_global_get_filter(&g, name);
1808  if (!f) {
1809    owl_function_makemsg("There is no filter with that name");
1810    return;
1811  }
1812  owl_filter_print(f, buff);
1813  owl_function_popless_text(buff);
1814}
1815
1816void owl_function_show_zpunts() {
1817  owl_filter *f;
1818  owl_list *fl;
1819  char buff[5000];
1820  owl_fmtext fm;
1821  int i, j;
1822
1823  owl_fmtext_init_null(&fm);
1824
1825  fl=owl_global_get_puntlist(&g);
1826  j=owl_list_get_size(fl);
1827  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
1828
1829  for (i=0; i<j; i++) {
1830    f=owl_list_get_element(fl, i);
1831    owl_filter_print(f, buff);
1832    owl_fmtext_append_normal(&fm, buff);
1833  }
1834  owl_function_popless_fmtext(&fm);
1835  owl_fmtext_free(&fm);
1836}
1837
1838char *owl_function_fastclassinstfilt(char *class, char *instance) {
1839  /* creates a filter for a class, instance if one doesn't exist.
1840   * If instance is null then apply for all messgaes in the class.
1841   * returns the name of the filter, which the caller must free.*/
1842  owl_list *fl;
1843  owl_filter *f;
1844  char *argbuff, *filtname;
1845  int len;
1846
1847  fl=owl_global_get_filterlist(&g);
1848
1849  /* name for the filter */
1850  len=strlen(class)+30;
1851  if (instance) len+=strlen(instance);
1852  filtname=owl_malloc(len);
1853  if (!instance) {
1854    sprintf(filtname, "class-%s", class);
1855  } else {
1856    sprintf(filtname, "class-%s-instance-%s", class, instance);
1857  }
1858  downstr(filtname);
1859
1860  /* if it already exists then go with it.  This lets users override */
1861  if (owl_global_get_filter(&g, filtname)) {
1862    return filtname;
1863  }
1864
1865  /* create the new filter */
1866  argbuff=owl_malloc(len+20);
1867  sprintf(argbuff, "( class ^%s$ )", class);
1868  if (instance) {
1869    sprintf(argbuff, "%s and ( instance ^%s$ )", argbuff, instance);
1870  }
1871
1872  f=owl_malloc(sizeof(owl_filter));
1873  owl_filter_init_fromstring(f, filtname, argbuff);
1874
1875  /* add it to the global list */
1876  owl_global_add_filter(&g, f);
1877
1878  owl_free(argbuff);
1879  return filtname;
1880}
1881
1882char *owl_function_fastuserfilt(char *user) {
1883  owl_filter *f;
1884  char *argbuff, *longuser, *shortuser, *filtname;
1885
1886  /* stick the local realm on if it's not there */
1887  longuser=long_sender(user);
1888  shortuser=pretty_sender(user);
1889
1890  /* name for the filter */
1891  filtname=owl_malloc(strlen(shortuser)+20);
1892  sprintf(filtname, "user-%s", shortuser);
1893
1894  /* if it already exists then go with it.  This lets users override */
1895  if (owl_global_get_filter(&g, filtname)) {
1896    return filtname;
1897  }
1898
1899  /* create the new-internal filter */
1900  f=owl_malloc(sizeof(owl_filter));
1901
1902  argbuff=owl_malloc(strlen(longuser)+200);
1903  sprintf(argbuff, "( ( class ^message$ ) and ( instance ^personal$ ) and ( sender ^%s$ ) )", longuser);
1904  sprintf(argbuff, "%s or ( ( type ^admin$ ) and ( recipient %s ) )", argbuff, shortuser);
1905  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) )", argbuff, longuser);
1906
1907  owl_filter_init_fromstring(f, filtname, argbuff);
1908
1909  /* add it to the global list */
1910  owl_global_add_filter(&g, f);
1911
1912  /* free stuff */
1913  owl_free(argbuff);
1914  owl_free(longuser);
1915  owl_free(shortuser);
1916
1917  return filtname;
1918}
1919
1920char *owl_function_fasttypefilt(char *type) {
1921  owl_filter *f;
1922  char *argbuff, *filtname;
1923
1924  /* name for the filter */
1925  filtname=owl_sprintf("type-%s", type);
1926
1927  /* if it already exists then go with it.  This lets users override */
1928  if (owl_global_get_filter(&g, filtname)) {
1929    return filtname;
1930  }
1931
1932  /* create the new-internal filter */
1933  f=owl_malloc(sizeof(owl_filter));
1934
1935  argbuff = owl_sprintf("type ^%s$", type);
1936
1937  owl_filter_init_fromstring(f, filtname, argbuff);
1938
1939  /* add it to the global list */
1940  owl_global_add_filter(&g, f);
1941
1942  /* free stuff */
1943  owl_free(argbuff);
1944
1945  return filtname;
1946}
1947
1948/* If flag is 1, marks for deletion.  If flag is 0,
1949 * unmarks for deletion. */
1950void owl_function_delete_curview_msgs(int flag) {
1951  owl_view *v;
1952  int i, j;
1953
1954  v=owl_global_get_current_view(&g);
1955  j=owl_view_get_size(v);
1956  for (i=0; i<j; i++) {
1957    if (flag == 1) {
1958      owl_message_mark_delete(owl_view_get_element(v, i));
1959    } else if (flag == 0) {
1960      owl_message_unmark_delete(owl_view_get_element(v, i));
1961    }
1962  }
1963
1964  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
1965
1966  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
1967}
1968
1969char *owl_function_smartfilter(int type) {
1970  /* Returns the name of a filter, or null.  The caller
1971   * must free this name.  */
1972  /* if the curmsg is a personal message return a filter name
1973   *    to the converstaion with that user.
1974   * If the curmsg is a class message, instance foo, recip *
1975   *    message, return a filter name to the class, inst.
1976   * If the curmsg is a class message and type==0 then
1977   *    return a filter name for just the class.
1978   * If the curmsg is a class message and type==1 then
1979   *    return a filter name for the class and instance.
1980   */
1981  owl_view *v;
1982  owl_message *m;
1983  char *sender, *filtname=NULL;
1984 
1985  v=owl_global_get_current_view(&g);
1986  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1987
1988  if (owl_view_get_size(v)==0) {
1989    owl_function_makemsg("No message selected\n");
1990    return NULL;
1991  }
1992
1993  /* very simple handling of admin messages for now */
1994  if (owl_message_is_admin(m)) {
1995    return owl_function_fasttypefilt("admin");
1996  }
1997
1998  /* narrow personal and login messages to the sender */
1999  if (owl_message_is_personal(m) || owl_message_is_login(m)) {
2000    if (owl_message_is_zephyr(m)) {
2001      sender=pretty_sender(owl_message_get_sender(m));
2002      filtname = owl_function_fastuserfilt(sender);
2003      owl_free(sender);
2004      return filtname;
2005    }
2006    return NULL;
2007  }
2008
2009  /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2010  if (!strcasecmp(owl_message_get_class(m), "message") &&
2011      !owl_message_is_personal(m)) {
2012    filtname = owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2013    return filtname;
2014  }
2015
2016  /* otherwise narrow to the class */
2017  if (type==0) {
2018    filtname = owl_function_fastclassinstfilt(owl_message_get_class(m), NULL);
2019  } else if (type==1) {
2020    filtname = owl_function_fastclassinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2021  }
2022  return filtname;
2023}
2024
2025void owl_function_smartzpunt(int type) {
2026  /* Starts a zpunt command based on the current class,instance pair.
2027   * If type=0, uses just class.  If type=1, uses instance as well. */
2028  owl_view *v;
2029  owl_message *m;
2030  char *cmd, *cmdprefix, *mclass, *minst;
2031 
2032  v=owl_global_get_current_view(&g);
2033  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2034
2035  if (owl_view_get_size(v)==0) {
2036    owl_function_makemsg("No message selected\n");
2037    return;
2038  }
2039
2040  /* for now we skip admin messages. */
2041  if (owl_message_is_admin(m)
2042      || owl_message_is_login(m)
2043      || !owl_message_is_zephyr(m)) {
2044    owl_function_makemsg("smartzpunt doesn't support this message type.");
2045    return;
2046  }
2047
2048  mclass = owl_message_get_class(m);
2049  minst = owl_message_get_instance(m);
2050  if (!mclass || !*mclass || *mclass==' '
2051      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2052      || (type && (!minst || !*minst|| *minst==' '))) {
2053    owl_function_makemsg("smartzpunt can't safely do this for <%s,%s>",
2054                         mclass, minst);
2055  } else {
2056    cmdprefix = "start-command zpunt ";
2057    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+3);
2058    strcpy(cmd, cmdprefix);
2059    strcat(cmd, mclass);
2060    if (type) {
2061      strcat(cmd, " ");
2062      strcat(cmd, minst);
2063    } else {
2064      strcat(cmd, " *");
2065    }
2066    owl_function_command(cmd);
2067    owl_free(cmd);
2068  }
2069}
2070
2071
2072
2073void owl_function_color_current_filter(char *color) {
2074  owl_filter *f;
2075  char *name;
2076
2077  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2078  f=owl_global_get_filter(&g, name);
2079  if (!f) {
2080    owl_function_makemsg("Unknown filter");
2081    return;
2082  }
2083
2084  /* don't touch the all filter */
2085  if (!strcmp(name, "all")) {
2086    owl_function_makemsg("You may not change the 'all' filter.");
2087    return;
2088  }
2089
2090  /* deal with the case of trying change the filter color */
2091  owl_filter_set_color(f, owl_util_string_to_color(color));
2092  owl_global_set_needrefresh(&g);
2093  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2094}
2095
2096void owl_function_show_colors() {
2097  owl_fmtext fm;
2098
2099  owl_fmtext_init_null(&fm);
2100  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT);
2101  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED);
2102  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN);
2103  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW);
2104  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE);
2105  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA);
2106  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN);
2107  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE);
2108
2109  owl_function_popless_fmtext(&fm);
2110  owl_fmtext_free(&fm);
2111}
2112
2113void owl_function_zpunt(char *class, char *inst, char *recip, int direction) {
2114  /* add the given class, inst, recip to the punt list for filtering.
2115   *   if direction==0 then punt
2116   *   if direction==1 then unpunt */
2117  owl_filter *f;
2118  owl_list *fl;
2119  char *buff;
2120  int ret, i, j;
2121
2122  fl=owl_global_get_puntlist(&g);
2123
2124  /* first, create the filter */
2125  f=malloc(sizeof(owl_filter));
2126  buff=malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
2127  if (!strcmp(recip, "*")) {
2128    sprintf(buff, "class ^%s$ and instance ^%s$", class, inst);
2129  } else {
2130    sprintf(buff, "class ^%s$ and instance ^%s$ and recipient %s", class, inst, recip);
2131  }
2132  owl_function_debugmsg("About to filter %s", buff);
2133  ret=owl_filter_init_fromstring(f, "punt-filter", buff);
2134  owl_free(buff);
2135  if (ret) {
2136    owl_function_makemsg("Error creating filter for zpunt");
2137    owl_filter_free(f);
2138    return;
2139  }
2140
2141  /* Check for an identical filter */
2142  j=owl_list_get_size(fl);
2143  for (i=0; i<j; i++) {
2144    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
2145      /* if we're punting, then just silently bow out on this duplicate */
2146      if (direction==0) {
2147        owl_filter_free(f);
2148        return;
2149      }
2150
2151      /* if we're unpunting, then remove this filter from the puntlist */
2152      if (direction==1) {
2153        owl_filter_free(owl_list_get_element(fl, i));
2154        owl_list_remove_element(fl, i);
2155        return;
2156      }
2157    }
2158  }
2159
2160  /* If we're punting, add the filter to the global punt list */
2161  if (direction==0) {
2162    owl_list_append_element(fl, f);
2163  }
2164}
2165
2166void owl_function_activate_keymap(char *keymap) {
2167  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
2168    owl_function_makemsg("Unable to activate keymap '%s'", keymap);
2169  }
2170}
2171
2172
2173void owl_function_show_keymaps() {
2174  owl_list l;
2175  owl_fmtext fm;
2176  owl_keymap *km;
2177  owl_keyhandler *kh;
2178  int i, numkm;
2179  char *kmname;
2180
2181  kh = owl_global_get_keyhandler(&g);
2182  owl_fmtext_init_null(&fm);
2183  owl_fmtext_append_bold(&fm, "Keymaps:   ");
2184  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
2185  owl_keyhandler_get_keymap_names(kh, &l);
2186  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
2187  owl_fmtext_append_normal(&fm, "\n");
2188
2189  numkm = owl_list_get_size(&l);
2190  for (i=0; i<numkm; i++) {
2191    kmname = owl_list_get_element(&l, i);
2192    km = owl_keyhandler_get_keymap(kh, kmname);
2193    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
2194    owl_keymap_get_details(km, &fm);   
2195  }
2196  owl_fmtext_append_normal(&fm, "\n");
2197 
2198  owl_function_popless_fmtext(&fm);
2199  owl_keyhandler_keymap_namelist_free(&l);
2200  owl_fmtext_free(&fm);
2201}
2202
2203char *owl_function_keymap_summary(void *name) {
2204  owl_keymap *km
2205    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2206  if (km) return owl_keymap_summary(km);
2207  else return(NULL);
2208}
2209
2210/* TODO: implement for real */
2211void owl_function_show_keymap(char *name) {
2212  owl_fmtext fm;
2213  owl_keymap *km;
2214
2215  owl_fmtext_init_null(&fm);
2216  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
2217  if (km) {
2218    owl_keymap_get_details(km, &fm);
2219  } else {
2220    owl_fmtext_append_normal(&fm, "No such keymap...\n");
2221  } 
2222  owl_function_popless_fmtext(&fm);
2223  owl_fmtext_free(&fm);
2224}
2225
2226
2227void owl_function_help_for_command(char *cmdname) {
2228  owl_fmtext fm;
2229
2230  owl_fmtext_init_null(&fm);
2231  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
2232  owl_function_popless_fmtext(&fm); 
2233  owl_fmtext_free(&fm);
2234}
2235
2236void owl_function_search_start(char *string, int direction) {
2237  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2238  owl_global_set_search_active(&g, string);
2239  owl_function_search_helper(0, direction);
2240}
2241
2242void owl_function_search_continue(int direction) {
2243  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
2244  owl_function_search_helper(1, direction);
2245}
2246
2247void owl_function_search_helper(int mode, int direction) {
2248  /* move to a message that contains the string.  If direction is
2249   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
2250   * OWL_DIRECTION_UPWARDS then search backwards.
2251   *
2252   * If mode==0 then it will stay on the current message if it
2253   * contains the string.
2254   */
2255
2256  owl_view *v;
2257  int viewsize, i, curmsg, start;
2258  owl_message *m;
2259
2260  v=owl_global_get_current_view(&g);
2261  viewsize=owl_view_get_size(v);
2262  curmsg=owl_global_get_curmsg(&g);
2263 
2264  if (viewsize==0) {
2265    owl_function_makemsg("No messages present");
2266    return;
2267  }
2268
2269  if (mode==0) {
2270    start=curmsg;
2271  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
2272    start=curmsg+1;
2273  } else {
2274    start=curmsg-1;
2275  }
2276
2277  /* bounds check */
2278  if (start>=viewsize || start<0) {
2279    owl_function_makemsg("No further matches found");
2280    return;
2281  }
2282
2283  for (i=start; i<viewsize && i>=0;) {
2284    m=owl_view_get_element(v, i);
2285    if (owl_message_search(m, owl_global_get_search_string(&g))) {
2286      owl_global_set_curmsg(&g, i);
2287      owl_function_calculate_topmsg(direction);
2288      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2289      if (direction==OWL_DIRECTION_DOWNWARDS) {
2290        owl_global_set_direction_downwards(&g);
2291      } else {
2292        owl_global_set_direction_upwards(&g);
2293      }
2294      return;
2295    }
2296    if (direction==OWL_DIRECTION_DOWNWARDS) {
2297      i++;
2298    } else {
2299      i--;
2300    }
2301  }
2302  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2303  owl_function_makemsg("No matches found");
2304}
2305
2306
2307/* strips formatting from ztext and returns the unformatted text.
2308 * caller is responsible for freeing. */
2309char *owl_function_ztext_stylestrip(char *zt) {
2310  owl_fmtext fm;
2311  char *plaintext;
2312
2313  owl_fmtext_init_null(&fm);
2314  owl_fmtext_append_ztext(&fm, zt);
2315  plaintext = owl_fmtext_print_plain(&fm);
2316  owl_fmtext_free(&fm);
2317  return(plaintext);
2318}
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