source: functions.c @ 93ee554

barnowl_perlaimdebianrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 93ee554 was 93ee554, checked in by Alejandro R. Sedeño <asedeno@mit.edu>, 13 years ago
Merged revisions 734-776 via svnmerge from file:///afs/sipb.mit.edu/project/barnowl/src/svn/trunk ........ r738 | nelhage | 2007-07-07 17:42:45 -0400 (Sat, 07 Jul 2007) | 3 lines Make the built-in regression tests output TAP and add a perl wrapper to call it. ........ r739 | nelhage | 2007-07-07 17:43:22 -0400 (Sat, 07 Jul 2007) | 2 lines Forgot these in the last commit; Make all the tests output TAP ........ r740 | nelhage | 2007-07-07 19:46:16 -0400 (Sat, 07 Jul 2007) | 2 lines Clean up an unused var warning. ........ r741 | nelhage | 2007-07-08 15:37:43 -0400 (Sun, 08 Jul 2007) | 2 lines Adding a -s switch to change the location of the config dir (~/.owl) ........ r742 | nelhage | 2007-07-08 15:39:57 -0400 (Sun, 08 Jul 2007) | 2 lines I don't understand why this didn't commit last time. I blame psvn. ........ r743 | nelhage | 2007-07-11 22:37:16 -0400 (Wed, 11 Jul 2007) | 3 lines Don't allow you to go off the end of an empty message list. [fixes: #9] ........ r744 | nelhage | 2007-07-30 18:47:39 -0400 (Mon, 30 Jul 2007) | 2 lines Fix sending to -c message -i personal ........ r745 | chmrr | 2007-07-30 20:21:18 -0400 (Mon, 30 Jul 2007) | 3 lines r20981@zoq-fot-pik: chmrr | 2007-07-30 20:20:44 -0400 * message length 0 means no fields ........ r746 | nelhage | 2007-07-30 20:25:59 -0400 (Mon, 30 Jul 2007) | 4 lines * zero-len message means no fields * Actually use owl_zephyr_get_zsig to get the zsig, which handles 0- and 1- field zephyrs correctly. ........ r747 | nelhage | 2007-07-30 20:29:36 -0400 (Mon, 30 Jul 2007) | 2 lines Making that last patch actually compile. Bad me. ........ r748 | nelhage | 2007-08-01 01:42:53 -0400 (Wed, 01 Aug 2007) | 3 lines owl_message_get_text needs to make sure there's text to return before returning it. fixes: #15 ........ r749 | nelhage | 2007-08-01 01:52:08 -0400 (Wed, 01 Aug 2007) | 5 lines zephyr smartnarrow now uses the ``personal'' filter to decide whether to narrow to user or not, and the zephyr-user filter now checks for `filter personal' instead of <message,personal,*>. closes #2 ........ r750 | nelhage | 2007-08-01 02:27:30 -0400 (Wed, 01 Aug 2007) | 5 lines Changing the default personal filter to <message,personal,*> for zephyr. refs 2 ........ r751 | nelhage | 2007-08-01 22:58:31 -0400 (Wed, 01 Aug 2007) | 2 lines Display opcodes with the default style ........ r752 | nelhage | 2007-08-08 18:01:51 -0400 (Wed, 08 Aug 2007) | 2 lines Applying ctl's variable shuffling patch for better ANSI C-ness. closes #18 ........ r753 | nelhage | 2007-08-11 01:04:07 -0400 (Sat, 11 Aug 2007) | 3 lines Implement :punt and :unpunt to punt arbitrary filters, rather than just z-triplets. closes #6 ........ r754 | nelhage | 2007-08-11 01:18:37 -0400 (Sat, 11 Aug 2007) | 2 lines Show non-personal pings like stock owl does. closes #12 ........ r756 | asedeno | 2007-08-17 12:48:37 -0400 (Fri, 17 Aug 2007) | 8 lines Apply patch from: http://rt.cpan.org/Public/Bug/Display.html?id=17484 Fixing problems with jabber servers keeping the same stream id when negotiating TLS. Thanks to ghudson for tracking this down. ........ r757 | nelhage | 2007-08-17 17:26:44 -0400 (Fri, 17 Aug 2007) | 4 lines When we're narrowing to an instance, properly include un-instances. This fixes narrowing to any instance that starts with ``un-'' ........ r758 | nelhage | 2007-08-27 19:17:20 -0400 (Mon, 27 Aug 2007) | 2 lines Don't read before the start of the string for an instance ........ r759 | nelhage | 2007-09-07 00:13:45 -0400 (Fri, 07 Sep 2007) | 3 lines Adding an explicit -f - to the tar commands for FreeBSD compatibility (reported by ecprice) ........ r760 | ecprice | 2007-09-08 17:33:34 -0400 (Sat, 08 Sep 2007) | 3 lines Fixes for FreeBSD. ........ r761 | nelhage | 2007-09-10 20:00:45 -0400 (Mon, 10 Sep 2007) | 3 lines Use "" instead of `undef' as a default for messages with no reply command to hopefully squelch perl warnings. ........ r762 | nelhage | 2007-09-12 21:37:41 -0400 (Wed, 12 Sep 2007) | 2 lines Do ~-expansion in :loadsubs. closes #26 ........ r763 | nelhage | 2007-09-12 21:54:51 -0400 (Wed, 12 Sep 2007) | 2 lines Validate JIDs passed to jmuc join. closes #25 ........ r764 | nelhage | 2007-09-12 22:46:17 -0400 (Wed, 12 Sep 2007) | 2 lines Show full JIDs for users in non-anonymous JIDs in :jmuc presence. closes #24 ........ r766 | nelhage | 2007-10-02 00:38:49 -0400 (Tue, 02 Oct 2007) | 3 lines Don't crash if we hit `i' on iso-8859-*. This is not the right solution, but at least it doesn't SEGV. ........ r767 | asedeno | 2007-10-10 15:21:13 -0400 (Wed, 10 Oct 2007) | 1 line Fixing a typo pointed out by kchen. ........ r768 | matt | 2007-10-14 17:16:35 -0400 (Sun, 14 Oct 2007) | 1 line added -m flag to aimwrite ........ r769 | austein | 2007-10-14 18:16:44 -0400 (Sun, 14 Oct 2007) | 1 line aimwrite -m displays according to displayoutgoing ........ r770 | asedeno | 2007-12-06 14:38:05 -0500 (Thu, 06 Dec 2007) | 3 lines Making usleep call more reasonable. Responsiveness seems okay on linerva, no-knife, and darkmatter, and reported good on zephyr. ........ r771 | nelhage | 2007-12-10 21:34:46 -0500 (Mon, 10 Dec 2007) | 2 lines Add zip as build-depends ........ r772 | nelhage | 2007-12-10 21:36:25 -0500 (Mon, 10 Dec 2007) | 2 lines We're not ktools ........ r773 | nelhage | 2007-12-23 11:32:02 -0500 (Sun, 23 Dec 2007) | 2 lines bind END in popless windows. closes #41 ........ r774 | chmrr | 2007-12-23 15:16:26 -0500 (Sun, 23 Dec 2007) | 3 lines r1805@utwig: chmrr | 2007-12-23 15:15:33 -0500 * Allow C-r on outgoing messages (useful for CCs) ........ r775 | chmrr | 2007-12-23 15:16:29 -0500 (Sun, 23 Dec 2007) | 3 lines r1806@utwig: chmrr | 2007-12-23 15:15:50 -0500 * Identify ourselves as barnowl in a couple more places ........
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <signal.h>
5#include <netinet/in.h>
6#include <string.h>
7#include <time.h>
8#include <sys/types.h>
9#include <sys/stat.h>
10#include <sys/wait.h>
11#include <errno.h>
12#include <signal.h>
13#include "owl.h"
14
15static const char fileIdent[] = "$Id$";
16
17void owl_function_noop(void)
18{
19  return;
20}
21
22char *owl_function_command(char *cmdbuff)
23{
24  owl_function_debugmsg("executing command: %s", cmdbuff);
25  return owl_cmddict_execute(owl_global_get_cmddict(&g), 
26                             owl_global_get_context(&g), cmdbuff);
27}
28
29void owl_function_command_norv(char *cmdbuff)
30{
31  char *rv;
32  rv=owl_function_command(cmdbuff);
33  if (rv) owl_free(rv);
34}
35
36void owl_function_command_alias(char *alias_from, char *alias_to)
37{
38  owl_cmddict_add_alias(owl_global_get_cmddict(&g), alias_from, alias_to);
39}
40
41owl_cmd *owl_function_get_cmd(char *name)
42{
43  return owl_cmddict_find(owl_global_get_cmddict(&g), name);
44}
45
46void owl_function_show_commands()
47{
48  owl_list l;
49  owl_fmtext fm;
50
51  owl_fmtext_init_null(&fm);
52  owl_fmtext_append_bold(&fm, "Commands:  ");
53  owl_fmtext_append_normal(&fm, "(use 'show command <name>' for details)\n");
54  owl_cmddict_get_names(owl_global_get_cmddict(&g), &l);
55  owl_fmtext_append_list(&fm, &l, "\n", owl_function_cmd_describe);
56  owl_fmtext_append_normal(&fm, "\n");
57  owl_function_popless_fmtext(&fm);
58  owl_cmddict_namelist_free(&l);
59  owl_fmtext_free(&fm);
60}
61
62void owl_function_show_view(char *viewname)
63{
64  owl_view *v;
65  owl_fmtext fm;
66
67  /* we only have the one view right now */
68  v=owl_global_get_current_view(&g);
69  if (viewname && strcmp(viewname, owl_view_get_name(v))) {
70    owl_function_error("No view named '%s'", viewname);
71    return;
72  }
73
74  owl_fmtext_init_null(&fm);
75  owl_view_to_fmtext(v, &fm);
76  owl_function_popless_fmtext(&fm);
77  owl_fmtext_free(&fm);
78}
79
80void owl_function_show_styles() {
81  owl_list l;
82  owl_fmtext fm;
83
84  owl_fmtext_init_null(&fm);
85  owl_fmtext_append_bold(&fm, "Styles:\n");
86  owl_global_get_style_names(&g, &l);
87  owl_fmtext_append_list(&fm, &l, "\n", owl_function_style_describe);
88  owl_fmtext_append_normal(&fm, "\n");
89  owl_function_popless_fmtext(&fm);
90  owl_list_free_all(&l, owl_free);
91  owl_fmtext_free(&fm);
92}
93
94char *owl_function_style_describe(void *name) {
95  char *desc, *s;
96  owl_style *style;
97  style = owl_global_get_style_by_name(&g, name);
98  if (style) {
99    desc = owl_style_get_description(style);
100  } else {
101    desc = "???";
102  }
103  s = owl_sprintf("%-20s - %s%s", name, 
104                  0==owl_style_validate(style)?"":"[INVALID] ",
105                  desc);
106  return s;
107}
108
109char *owl_function_cmd_describe(void *name)
110{
111  owl_cmd *cmd = owl_cmddict_find(owl_global_get_cmddict(&g), name);
112  if (cmd) return owl_cmd_describe(cmd);
113  else return(NULL);
114}
115
116void owl_function_show_command(char *name)
117{
118  owl_function_help_for_command(name);
119}
120
121void owl_function_show_license()
122{
123  char *text;
124
125  text=""
126    "barnowl version " OWL_VERSION_STRING "\n"
127    "Copyright (c) 2004 James Kretchmar. All rights reserved.\n"
128    "\n"
129    "Redistribution and use in source and binary forms, with or without\n"
130    "modification, are permitted provided that the following conditions are\n"
131    "met:\n"
132    "\n"
133    "   * Redistributions of source code must retain the above copyright\n"
134    "     notice, this list of conditions and the following disclaimer.\n"
135    "\n"
136    "   * Redistributions in binary form must reproduce the above copyright\n"
137    "     notice, this list of conditions and the following disclaimer in\n"
138    "     the documentation and/or other materials provided with the\n"
139    "     distribution.\n"
140    "\n"
141    "   * Redistributions in any form must be accompanied by information on\n"
142    "     how to obtain complete source code for the Owl software and any\n"
143    "     accompanying software that uses the Owl software. The source code\n"
144    "     must either be included in the distribution or be available for no\n"
145    "     more than the cost of distribution plus a nominal fee, and must be\n"
146    "     freely redistributable under reasonable conditions. For an\n"
147    "     executable file, complete source code means the source code for\n"
148    "     all modules it contains. It does not include source code for\n"
149    "     modules or files that typically accompany the major components of\n"
150    "     the operating system on which the executable file runs.\n"
151    "\n"
152    "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\n"
153    "IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"
154    "WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR\n"
155    "NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE\n"
156    "LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n"
157    "CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n"
158    "SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n"
159    "BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"
160    "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n"
161    "OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n"
162    "IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n";
163  owl_function_popless_text(text);
164}
165
166/* Create an admin message, append it to the global list of messages
167 * and redisplay if necessary.
168 */
169void owl_function_adminmsg(char *header, char *body)
170{
171  owl_message *m;
172
173  m=owl_malloc(sizeof(owl_message));
174  owl_message_create_admin(m, header, body);
175 
176  /* add it to the global list and current view */
177  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
178  owl_view_consider_message(owl_global_get_current_view(&g), m);
179
180  /* do followlast if necessary */
181  if (owl_global_should_followlast(&g)) owl_function_lastmsg_noredisplay();
182
183  /* redisplay etc. */
184  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
185  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
186    owl_popwin_refresh(owl_global_get_popwin(&g));
187  }
188  wnoutrefresh(owl_global_get_curs_recwin(&g));
189  owl_global_set_needrefresh(&g);
190}
191
192/* Create an outgoing zephyr message and return a pointer to it.  Does
193 * not put it on the global queue, use owl_function_add_message() for
194 * that.
195 */
196owl_message *owl_function_make_outgoing_zephyr(char *body, char *zwriteline, char *zsig)
197{
198  owl_message *m;
199  owl_zwrite z;
200 
201  /* create a zwrite for the purpose of filling in other message fields */
202  owl_zwrite_create_from_line(&z, zwriteline);
203
204  /* create the message */
205  m=owl_malloc(sizeof(owl_message));
206  owl_message_create_from_zwriteline(m, zwriteline, body, zsig);
207  owl_zwrite_free(&z);
208
209  return(m);
210}
211
212/* Create an outgoing AIM message, returns a pointer to the created
213 * message or NULL if we're not logged into AIM (and thus unable to
214 * create the message).  Does not put it on the global queue.  Use
215 * owl_function_add_message() for that .
216 */
217owl_message *owl_function_make_outgoing_aim(char *body, char *to)
218{
219  owl_message *m;
220
221  /* error if we're not logged into aim */
222  if (!owl_global_is_aimloggedin(&g)) return(NULL);
223 
224  m=owl_malloc(sizeof(owl_message));
225  owl_message_create_aim(m,
226                         owl_global_get_aim_screenname(&g),
227                         to,
228                         body,
229                         OWL_MESSAGE_DIRECTION_OUT,
230                         0);
231  return(m);
232}
233
234/* Create an outgoing loopback message and return a pointer to it.
235 * Does not append it to the global queue, use
236 * owl_function_add_message() for that.
237 */
238owl_message *owl_function_make_outgoing_loopback(char *body)
239{
240  owl_message *m;
241
242  /* create the message */
243  m=owl_malloc(sizeof(owl_message));
244  owl_message_create_loopback(m, body);
245  owl_message_set_direction_out(m);
246
247  return(m);
248}
249
250void owl_function_zwrite_setup(char *line)
251{
252  owl_editwin *e;
253  char buff[1024];
254  owl_zwrite z;
255  int ret;
256
257  /* check the arguments */
258  ret=owl_zwrite_create_from_line(&z, line);
259  if (ret) {
260    owl_function_error("Error in zwrite arugments");
261    owl_zwrite_free(&z);
262    return;
263  }
264
265  /* send a ping if necessary */
266  if (owl_global_is_txping(&g)) {
267    owl_zwrite_send_ping(&z);
268  }
269  owl_zwrite_free(&z);
270
271  /* create and setup the editwin */
272  e=owl_global_get_typwin(&g);
273  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
274
275  if (!owl_global_get_lockout_ctrld(&g)) {
276    owl_function_makemsg("Type your zephyr below.  End with ^D or a dot on a line by itself.  ^C will quit.");
277  } else {
278    owl_function_makemsg("Type your zephyr below.  End with a dot on a line by itself.  ^C will quit.");
279  }
280
281  owl_editwin_clear(e);
282  owl_editwin_set_dotsend(e);
283  strcpy(buff, "----> ");
284  strcat(buff, line);
285  strcat(buff, "\n");
286  owl_editwin_set_locktext(e, buff);
287
288  /* make it active */
289  owl_global_set_typwin_active(&g);
290
291  owl_global_set_buffercommand(&g, line);
292  owl_global_set_buffercallback(&g, &owl_callback_zwrite);
293}
294
295void owl_function_aimwrite_setup(char *line)
296{
297  owl_editwin *e;
298  char buff[1024];
299
300  /* check the arguments */
301
302  /* create and setup the editwin */
303  e=owl_global_get_typwin(&g);
304  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
305
306  if (!owl_global_get_lockout_ctrld(&g)) {
307    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
308  } else {
309    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
310  }
311
312  owl_editwin_clear(e);
313  owl_editwin_set_dotsend(e);
314  strcpy(buff, "----> ");
315  strcat(buff, line);
316  strcat(buff, "\n");
317  owl_editwin_set_locktext(e, buff);
318
319  /* make it active */
320  owl_global_set_typwin_active(&g);
321
322  owl_global_set_buffercommand(&g, line);
323  owl_global_set_buffercallback(&g, &owl_callback_aimwrite);
324}
325
326void owl_function_loopwrite_setup()
327{
328  owl_editwin *e;
329
330  /* create and setup the editwin */
331  e=owl_global_get_typwin(&g);
332  owl_editwin_new_style(e, OWL_EDITWIN_STYLE_MULTILINE, owl_global_get_msg_history(&g));
333
334  if (!owl_global_get_lockout_ctrld(&g)) {
335    owl_function_makemsg("Type your message below.  End with ^D or a dot on a line by itself.  ^C will quit.");
336  } else {
337    owl_function_makemsg("Type your message below.  End with a dot on a line by itself.  ^C will quit.");
338  }
339
340  owl_editwin_clear(e);
341  owl_editwin_set_dotsend(e);
342  owl_editwin_set_locktext(e, "----> loopwrite\n");
343
344  /* make it active */
345  owl_global_set_typwin_active(&g);
346
347  owl_global_set_buffercommand(&g, "loopwrite");
348  owl_global_set_buffercallback(&g, &owl_callback_loopwrite);
349}
350
351void owl_callback_zwrite(owl_editwin *e) {
352  owl_function_zwrite(owl_editwin_get_command(e),
353                      owl_editwin_get_text(e));
354}
355
356/* send, log and display an outgoing zephyr.  If 'msg' is NULL
357 * the message is expected to be set from the zwrite line itself
358 */
359void owl_function_zwrite(char *line, char *msg)
360{
361  owl_zwrite z;
362  char *mymsg;
363  owl_message *m;
364
365  if(!strncmp(line, "zcrypt", strlen("zcrypt"))) {
366    owl_function_zcrypt(line, msg);
367    return;
368  }
369
370  /* create the zwrite and send the message */
371  owl_zwrite_create_from_line(&z, line);
372  if (msg) {
373    owl_zwrite_set_message(&z, msg);
374  }
375  owl_zwrite_send_message(&z);
376  owl_function_makemsg("Waiting for ack...");
377
378  /* If it's personal */
379  if (owl_zwrite_is_personal(&z)) {
380    /* create the outgoing message */
381    mymsg=owl_zwrite_get_message(&z);
382    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
383
384    if (m) {
385      owl_global_messagequeue_addmsg(&g, m);
386    } else {
387      owl_function_error("Could not create outgoing zephyr message");
388    }
389  }
390
391  /* free the zwrite */
392  owl_zwrite_free(&z);
393}
394
395/* send, log and display an outgoing zcrypt zephyr.  If 'msg' is NULL
396 * the message is expected to be set from the zwrite line itself
397 */
398void owl_function_zcrypt(char *line, char *msg)
399{
400  owl_zwrite z;
401  char *mymsg;
402  char *cryptmsg;
403  owl_message *m;
404#ifdef OWL_ENABLE_ZCRYPT
405  int ret;
406#endif
407
408  /* create the zwrite and send the message */
409  owl_zwrite_create_from_line(&z, line);
410  if (msg) {
411    owl_zwrite_set_message(&z, msg);
412  }
413
414  mymsg=owl_zwrite_get_message(&z);
415#ifdef OWL_ENABLE_ZCRYPT
416  cryptmsg=owl_malloc(strlen(mymsg)*4);
417  ret=owl_zcrypt_encrypt(cryptmsg, mymsg, owl_zwrite_get_class(&z), owl_zwrite_get_instance(&z));
418  if (ret) {
419    owl_function_error("Error in zcrypt, possibly no key found.  Message not sent.");
420    owl_function_beep();
421    owl_free(cryptmsg);
422    return;
423  }
424#else
425  cryptmsg=owl_strdup(mymsg);
426#endif
427
428  owl_zwrite_set_message(&z, cryptmsg);
429  owl_zwrite_set_opcode(&z, "crypt");
430  mymsg=cryptmsg;
431   
432  owl_zwrite_send_message(&z);
433  owl_function_makemsg("Waiting for ack...");
434
435  /* If it's personal */
436  if (owl_zwrite_is_personal(&z)) {
437    /* create the outgoing message */
438    mymsg=owl_zwrite_get_message(&z);
439    m=owl_function_make_outgoing_zephyr(mymsg, line, owl_zwrite_get_zsig(&z));
440    if (m) {
441      owl_global_messagequeue_addmsg(&g, m);
442    } else {
443      owl_function_error("Could not create outgoing zephyr message");
444    }
445  }
446
447  /* free the zwrite */
448  owl_free(cryptmsg);
449  owl_zwrite_free(&z);
450}
451
452void owl_callback_aimwrite(owl_editwin *e) {
453  owl_function_aimwrite(owl_editwin_get_command(e),
454                        owl_editwin_get_text(e));
455}
456
457void owl_function_aimwrite(char *line, char *msg)
458{
459  int ret;
460  char *to, *format_msg;
461  owl_message *m;
462
463  to = line + 9;
464
465  /* make a formatted copy of the message */
466  format_msg=owl_strdup(msg);
467  owl_text_wordunwrap(format_msg);
468 
469  /* send the message */
470  ret=owl_aim_send_im(to, format_msg);
471  if (!ret) {
472    owl_function_makemsg("AIM message sent.");
473  } else {
474    owl_function_error("Could not send AIM message.");
475  }
476
477  /* create the outgoing message */
478  m=owl_function_make_outgoing_aim(msg, to);
479
480  if (m) {
481    owl_global_messagequeue_addmsg(&g, m);
482  } else {
483    owl_function_error("Could not create outgoing AIM message");
484  }
485
486  owl_free(format_msg);
487}
488
489void owl_function_send_aimawymsg(char *to, char *msg)
490{
491  int ret;
492  char *format_msg;
493  owl_message *m;
494
495  /* make a formatted copy of the message */
496  format_msg=owl_strdup(msg);
497  owl_text_wordunwrap(format_msg);
498 
499  /* send the message */
500  ret=owl_aim_send_awaymsg(to, format_msg);
501  if (!ret) {
502    /* owl_function_makemsg("AIM message sent."); */
503  } else {
504    owl_function_error("Could not send AIM message.");
505  }
506
507  /* create the message */
508  m=owl_function_make_outgoing_aim(msg, to);
509  if (m) {
510    owl_global_messagequeue_addmsg(&g, m);
511  } else {
512    owl_function_error("Could not create AIM message");
513  }
514  owl_free(format_msg);
515}
516
517void owl_callback_loopwrite(owl_editwin *e) {
518  owl_function_loopwrite(owl_editwin_get_text(e));
519}
520
521void owl_function_loopwrite(char *msg)
522{
523  owl_message *min, *mout;
524
525  /* create a message and put it on the message queue.  This simulates
526   * an incoming message */
527  min=owl_malloc(sizeof(owl_message));
528  mout=owl_function_make_outgoing_loopback(msg);
529
530  if (owl_global_is_displayoutgoing(&g)) {
531    owl_global_messagequeue_addmsg(&g, mout);
532  } else {
533    owl_message_free(mout);
534  }
535
536  owl_message_create_loopback(min, msg);
537  owl_message_set_direction_in(min);
538  owl_global_messagequeue_addmsg(&g, min);
539
540  /* fake a makemsg */
541  owl_function_makemsg("loopback message sent");
542}
543
544/* If filter is non-null, looks for the next message matching
545 * that filter.  If skip_deleted, skips any deleted messages.
546 * If last_if_none, will stop at the last message in the view
547 * if no matching messages are found.  */
548void owl_function_nextmsg_full(char *filter, int skip_deleted, int last_if_none)
549{
550  int curmsg, i, viewsize, found;
551  owl_view *v;
552  owl_filter *f = NULL;
553  owl_message *m;
554
555  v=owl_global_get_current_view(&g);
556
557  if (filter) {
558    f=owl_global_get_filter(&g, filter);
559    if (!f) {
560      owl_function_error("No %s filter defined", filter);
561      return;
562    }
563  }
564
565  curmsg=owl_global_get_curmsg(&g);
566  viewsize=owl_view_get_size(v);
567  found=0;
568
569  /* just check to make sure we're in bounds... */
570  if (curmsg>viewsize-1) curmsg=viewsize-1;
571  if (curmsg<0) curmsg=0;
572
573  for (i=curmsg+1; i<viewsize; i++) {
574    m=owl_view_get_element(v, i);
575    if (skip_deleted && owl_message_is_delete(m)) continue;
576    if (f && !owl_filter_message_match(f, m)) continue;
577    found = 1;
578    break;
579  }
580
581  if (i>owl_view_get_size(v)-1) i=owl_view_get_size(v)-1;
582  if (i<0) i=0;
583
584  if (!found) {
585    owl_function_makemsg("already at last%s message%s%s",
586                         skip_deleted?" non-deleted":"",
587                         filter?" in ":"", filter?filter:"");
588    /* if (!skip_deleted) owl_function_beep(); */
589  }
590
591  if (last_if_none || found) {
592    owl_global_set_curmsg(&g, i);
593    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
594    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
595    owl_global_set_direction_downwards(&g);
596  }
597}
598
599void owl_function_prevmsg_full(char *filter, int skip_deleted, int first_if_none)
600{
601  int curmsg, i, viewsize, found;
602  owl_view *v;
603  owl_filter *f = NULL;
604  owl_message *m;
605
606  v=owl_global_get_current_view(&g);
607
608  if (filter) {
609    f=owl_global_get_filter(&g, filter);
610    if (!f) {
611      owl_function_error("No %s filter defined", filter);
612      return;
613    }
614  }
615
616  curmsg=owl_global_get_curmsg(&g);
617  viewsize=owl_view_get_size(v);
618  found=0;
619
620  /* just check to make sure we're in bounds... */
621  if (curmsg<0) curmsg=0;
622
623  for (i=curmsg-1; i>=0; i--) {
624    m=owl_view_get_element(v, i);
625    if (skip_deleted && owl_message_is_delete(m)) continue;
626    if (f && !owl_filter_message_match(f, m)) continue;
627    found = 1;
628    break;
629  }
630
631  if (i<0) i=0;
632
633  if (!found) {
634    owl_function_makemsg("already at first%s message%s%s",
635                         skip_deleted?" non-deleted":"",
636                         filter?" in ":"", filter?filter:"");
637    /* if (!skip_deleted) owl_function_beep(); */
638  }
639
640  if (first_if_none || found) {
641    owl_global_set_curmsg(&g, i);
642    owl_function_calculate_topmsg(OWL_DIRECTION_UPWARDS);
643    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
644    owl_global_set_direction_upwards(&g);
645  }
646}
647
648void owl_function_nextmsg()
649{
650  owl_function_nextmsg_full(NULL, 0, 1);
651}
652
653void owl_function_prevmsg()
654{
655  owl_function_prevmsg_full(NULL, 0, 1);
656}
657
658void owl_function_nextmsg_notdeleted()
659{
660  owl_function_nextmsg_full(NULL, 1, 1);
661}
662
663void owl_function_prevmsg_notdeleted()
664{
665  owl_function_prevmsg_full(NULL, 1, 1);
666}
667
668void owl_function_nextmsg_personal()
669{
670  owl_function_nextmsg_full("personal", 0, 0);
671}
672
673void owl_function_prevmsg_personal()
674{
675  owl_function_prevmsg_full("personal", 0, 0);
676}
677
678
679/* if move_after is 1, moves after the delete */
680void owl_function_deletecur(int move_after)
681{
682  int curmsg;
683  owl_view *v;
684
685  v=owl_global_get_current_view(&g);
686
687  /* bail if there's no current message */
688  if (owl_view_get_size(v) < 1) {
689    owl_function_error("No current message to delete");
690    return;
691  }
692
693  /* mark the message for deletion */
694  curmsg=owl_global_get_curmsg(&g);
695  owl_view_delete_element(v, curmsg);
696
697  if (move_after) {
698    /* move the poiner in the appropriate direction
699     * to the next undeleted msg */
700    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
701      owl_function_prevmsg_notdeleted();
702    } else {
703      owl_function_nextmsg_notdeleted();
704    }
705  }
706}
707
708void owl_function_undeletecur(int move_after)
709{
710  int curmsg;
711  owl_view *v;
712
713  v=owl_global_get_current_view(&g);
714 
715  if (owl_view_get_size(v) < 1) {
716    owl_function_error("No current message to undelete");
717    return;
718  }
719  curmsg=owl_global_get_curmsg(&g);
720
721  owl_view_undelete_element(v, curmsg);
722
723  if (move_after) {
724    if (owl_global_get_direction(&g)==OWL_DIRECTION_UPWARDS) {
725      if (curmsg>0) {
726        owl_function_prevmsg();
727      } else {
728        owl_function_nextmsg();
729      }
730    } else {
731      owl_function_nextmsg();
732    }
733  }
734
735  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
736}
737
738void owl_function_expunge()
739{
740  int curmsg;
741  owl_message *m;
742  owl_messagelist *ml;
743  owl_view *v;
744  int lastmsgid=0;
745
746  curmsg=owl_global_get_curmsg(&g);
747  v=owl_global_get_current_view(&g);
748  ml=owl_global_get_msglist(&g);
749
750  m=owl_view_get_element(v, curmsg);
751  if (m) lastmsgid = owl_message_get_id(m);
752
753  /* expunge the message list */
754  owl_messagelist_expunge(ml);
755
756  /* update all views (we only have one right now) */
757  owl_view_recalculate(v);
758
759  /* find where the new position should be
760     (as close as possible to where we last where) */
761  curmsg = owl_view_get_nearest_to_msgid(v, lastmsgid);
762  if (curmsg>owl_view_get_size(v)-1) curmsg = owl_view_get_size(v)-1;
763  if (curmsg<0) curmsg = 0;
764  owl_global_set_curmsg(&g, curmsg);
765  owl_function_calculate_topmsg(OWL_DIRECTION_NONE);
766  /* if there are no messages set the direction to down in case we
767     delete everything upwards */
768  owl_global_set_direction_downwards(&g);
769 
770  owl_function_makemsg("Messages expunged");
771  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
772}
773
774void owl_function_firstmsg()
775{
776  owl_global_set_curmsg(&g, 0);
777  owl_global_set_topmsg(&g, 0);
778  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
779  owl_global_set_direction_downwards(&g);
780}
781
782void owl_function_lastmsg_noredisplay()
783{
784  int oldcurmsg, curmsg;
785  owl_view *v;
786
787  v=owl_global_get_current_view(&g);
788  oldcurmsg=owl_global_get_curmsg(&g);
789  curmsg=owl_view_get_size(v)-1; 
790  if (curmsg<0) curmsg=0;
791  owl_global_set_curmsg(&g, curmsg);
792  if (oldcurmsg < curmsg) {
793    owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
794  } else if (curmsg<owl_view_get_size(v)) {
795    /* If already at the end, blank the screen and move curmsg
796     * past the end of the messages. */
797    owl_global_set_topmsg(&g, curmsg+1);
798    owl_global_set_curmsg(&g, curmsg+1);
799  } 
800  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
801  owl_global_set_direction_downwards(&g);
802}
803
804void owl_function_lastmsg()
805{
806  owl_function_lastmsg_noredisplay();
807  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
808}
809
810void owl_function_shift_right()
811{
812  owl_global_set_rightshift(&g, owl_global_get_rightshift(&g)+10);
813  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
814  owl_global_set_needrefresh(&g);
815}
816
817void owl_function_shift_left()
818{
819  int shift;
820
821  shift=owl_global_get_rightshift(&g);
822  if (shift>=10) {
823    owl_global_set_rightshift(&g, shift-10);
824    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
825    owl_global_set_needrefresh(&g);
826  } else {
827    owl_function_beep();
828    owl_function_makemsg("Already full left");
829  }
830}
831
832void owl_function_unsuball()
833{
834  unsuball();
835  owl_function_makemsg("Unsubscribed from all messages.");
836}
837
838
839/* Load zephyr subscriptions from the named 'file' and load zephyr's
840 * default subscriptions as well.  An error message is printed if
841 * 'file' can't be opened or if zephyr reports an error in
842 * subscribing.
843 *
844 * If 'file' is NULL, this look for the default filename
845 * $HOME/.zephyr.subs.  If the file can not be opened in this case
846 * only, no error message is printed.
847 */
848void owl_function_loadsubs(char *file)
849{
850  int ret, ret2;
851  char *foo, *path;
852
853  if (file==NULL) {
854    ret=owl_zephyr_loadsubs(NULL, 0);
855  } else {
856    path = owl_util_makepath(file);
857    ret=owl_zephyr_loadsubs(path, 1);
858    free(path);
859  }
860
861  /* for backwards compatibility for now */
862  ret2=owl_zephyr_loaddefaultsubs();
863
864  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
865
866  foo=file?file:"file";
867  if (ret==0 && ret2==0) {
868    if (!file) {
869      owl_function_makemsg("Subscribed to messages.");
870    } else {
871      owl_function_makemsg("Subscribed to messages from %s", file);
872    }
873  } else if (ret==-1) {
874    owl_function_error("Could not read %s", foo);
875  } else {
876    owl_function_error("Error subscribing to messages");
877  }
878}
879
880void owl_function_loadloginsubs(char *file)
881{
882  int ret;
883
884  ret=owl_zephyr_loadloginsubs(file);
885
886  if (!owl_context_is_interactive(owl_global_get_context(&g))) return;
887  if (ret==0) {
888    owl_function_makemsg("Subscribed to login messages from file.");
889  } else if (ret==-1) {
890    owl_function_error("Could not open file for login subscriptions.");
891  } else {
892    owl_function_error("Error subscribing to login messages from file.");
893  }
894}
895
896void owl_callback_aimlogin(owl_editwin *e) {
897  owl_function_aimlogin(owl_editwin_get_command(e),
898                        owl_editwin_get_text(e));
899}
900
901void owl_function_aimlogin(char *user, char *passwd) {
902  int ret;
903
904  /* clear the buddylist */
905  owl_buddylist_clear(owl_global_get_buddylist(&g));
906
907  /* try to login */
908  ret=owl_aim_login(user, passwd);
909  if (ret) owl_function_makemsg("Warning: login for %s failed.\n", user);
910}
911
912void owl_function_suspend()
913{
914  endwin();
915  printf("\n");
916  kill(getpid(), SIGSTOP);
917
918  /* resize to reinitialize all the windows when we come back */
919  owl_command_resize();
920}
921
922void owl_function_zaway_toggle()
923{
924  if (!owl_global_is_zaway(&g)) {
925    owl_global_set_zaway_msg(&g, owl_global_get_zaway_msg_default(&g));
926    owl_function_zaway_on();
927  } else {
928    owl_function_zaway_off();
929  }
930}
931
932void owl_function_zaway_on()
933{
934  owl_global_set_zaway_on(&g);
935  owl_function_makemsg("zaway set (%s)", owl_global_get_zaway_msg(&g));
936}
937
938void owl_function_zaway_off()
939{
940  owl_global_set_zaway_off(&g);
941  owl_function_makemsg("zaway off");
942}
943
944void owl_function_aaway_toggle()
945{
946  if (!owl_global_is_aaway(&g)) {
947    owl_global_set_aaway_msg(&g, owl_global_get_aaway_msg_default(&g));
948    owl_function_aaway_on();
949  } else {
950    owl_function_aaway_off();
951  }
952}
953
954void owl_function_aaway_on()
955{
956  owl_global_set_aaway_on(&g);
957  /* owl_aim_set_awaymsg(owl_global_get_zaway_msg(&g)); */
958  owl_function_makemsg("AIM away set (%s)", owl_global_get_aaway_msg(&g));
959}
960
961void owl_function_aaway_off()
962{
963  owl_global_set_aaway_off(&g);
964  /* owl_aim_set_awaymsg(""); */
965  owl_function_makemsg("AIM away off");
966}
967
968void owl_function_quit()
969{
970  char *ret;
971 
972  /* zlog out if we need to */
973  if (owl_global_is_shutdownlogout(&g)) {
974    owl_zephyr_zlog_out();
975  }
976
977  /* execute the commands in shutdown */
978  ret = owl_perlconfig_execute("BarnOwl::Hooks::_shutdown();");
979  if (ret) owl_free(ret);
980
981  /* signal our child process, if any */
982  if (owl_global_get_newmsgproc_pid(&g)) {
983    kill(owl_global_get_newmsgproc_pid(&g), SIGHUP);
984  }
985
986  /* Quit zephyr */
987  owl_zephyr_shutdown();
988 
989  /* Quit AIM */
990  if (owl_global_is_aimloggedin(&g)) {
991    owl_aim_logout();
992  }
993
994  /* done with curses */
995  endwin();
996
997  /* restore terminal settings */
998  tcsetattr(0, TCSAFLUSH, owl_global_get_startup_tio(&g));
999
1000  owl_function_debugmsg("Quitting Owl");
1001  exit(0);
1002}
1003
1004void owl_function_openurl()
1005{
1006  /* visit the first url in the current message */
1007  owl_message *m;
1008  owl_view *v;
1009  char *ptr1, *ptr2, *text, url[LINE], tmpbuff[LINE];
1010  int webbrowser;
1011
1012  webbrowser = owl_global_get_webbrowser(&g);
1013
1014  if (webbrowser < 0 || webbrowser == OWL_WEBBROWSER_NONE) {
1015    owl_function_error("No browser selected");
1016    return;
1017  }
1018
1019  v=owl_global_get_current_view(&g);
1020 
1021  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1022
1023  if (!m || owl_view_get_size(v)==0) {
1024    owl_function_error("No current message selected");
1025    return;
1026  }
1027
1028  text=owl_message_get_text(m);
1029
1030  /* First look for a good URL */ 
1031  if ((ptr1=strstr(text, "http://"))!=NULL) {
1032    ptr2=strpbrk(ptr1, " \n\t");
1033    if (ptr2) {
1034      strncpy(url, ptr1, ptr2-ptr1+1);
1035      url[ptr2-ptr1+1]='\0';
1036    } else {
1037      strcpy(url, ptr1);
1038    }
1039
1040    /* if we had <http strip a trailing > */
1041    if (ptr1>text && ptr1[-1]=='<') {
1042      if (url[strlen(url)-1]=='>') {
1043        url[strlen(url)-1]='\0';
1044      }
1045    }
1046  } else if ((ptr1=strstr(text, "https://"))!=NULL) {
1047    /* Look for an https URL */ 
1048    ptr2=strpbrk(ptr1, " \n\t");
1049    if (ptr2) {
1050      strncpy(url, ptr1, ptr2-ptr1+1);
1051      url[ptr2-ptr1+1]='\0';
1052    } else {
1053      strcpy(url, ptr1);
1054    }
1055   
1056    /* if we had <http strip a trailing > */
1057    if (ptr1>text && ptr1[-1]=='<') {
1058      if (url[strlen(url)-1]=='>') {
1059        url[strlen(url)-1]='\0';
1060      }
1061    }
1062  } else if ((ptr1=strstr(text, "www."))!=NULL) {
1063    /* if we can't find a real url look for www.something */
1064    ptr2=strpbrk(ptr1, " \n\t");
1065    if (ptr2) {
1066      strncpy(url, ptr1, ptr2-ptr1+1);
1067      url[ptr2-ptr1+1]='\0';
1068    } else {
1069      strcpy(url, ptr1);
1070    }
1071  } else {
1072    owl_function_beep();
1073    owl_function_error("Could not find URL to open.");
1074    return;
1075  }
1076
1077  /* Make sure there aren't any quotes or \'s in the url */
1078  for (ptr1 = url; *ptr1; ptr1++) {
1079    if (*ptr1 == '"' || *ptr1 == '\\') {
1080      owl_function_beep();
1081      owl_function_error("URL contains invalid characters.");
1082      return;
1083    }
1084  }
1085 
1086  /* NOTE: There are potentially serious security issues here... */
1087
1088  /* open the page */
1089  owl_function_makemsg("Opening %s", url);
1090  if (webbrowser == OWL_WEBBROWSER_NETSCAPE) {
1091    snprintf(tmpbuff, LINE, "netscape -remote \"openURL(%s)\" > /dev/null 2> /dev/null", url);
1092    system(tmpbuff); 
1093  } else if (webbrowser == OWL_WEBBROWSER_GALEON) {
1094    snprintf(tmpbuff, LINE, "galeon \"%s\" > /dev/null 2> /dev/null &", url);
1095    system(tmpbuff); 
1096  } else if (webbrowser == OWL_WEBBROWSER_OPERA) {
1097    snprintf(tmpbuff, LINE, "opera \"%s\" > /dev/null 2> /dev/null &", url);
1098    system(tmpbuff); 
1099  }
1100}
1101
1102void owl_function_calculate_topmsg(int direction)
1103{
1104  int recwinlines, topmsg, curmsg;
1105  owl_view *v;
1106
1107  v=owl_global_get_current_view(&g);
1108  curmsg=owl_global_get_curmsg(&g);
1109  topmsg=owl_global_get_topmsg(&g);
1110  recwinlines=owl_global_get_recwin_lines(&g);
1111
1112  /*
1113  if (owl_view_get_size(v) < 1) {
1114    return;
1115  }
1116  */
1117
1118  switch (owl_global_get_scrollmode(&g)) {
1119  case OWL_SCROLLMODE_TOP:
1120    topmsg = owl_function_calculate_topmsg_top(direction, v, curmsg, topmsg, recwinlines);
1121    break;
1122  case OWL_SCROLLMODE_NEARTOP:
1123    topmsg = owl_function_calculate_topmsg_neartop(direction, v, curmsg, topmsg, recwinlines);
1124    break;
1125  case OWL_SCROLLMODE_CENTER:
1126    topmsg = owl_function_calculate_topmsg_center(direction, v, curmsg, topmsg, recwinlines);
1127    break;
1128  case OWL_SCROLLMODE_PAGED:
1129    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 0);
1130    break;
1131  case OWL_SCROLLMODE_PAGEDCENTER:
1132    topmsg = owl_function_calculate_topmsg_paged(direction, v, curmsg, topmsg, recwinlines, 1);
1133    break;
1134  case OWL_SCROLLMODE_NORMAL:
1135  default:
1136    topmsg = owl_function_calculate_topmsg_normal(direction, v, curmsg, topmsg, recwinlines);
1137  }
1138  owl_function_debugmsg("Calculated a topmsg of %i", topmsg);
1139  owl_global_set_topmsg(&g, topmsg);
1140}
1141
1142/* Returns what the new topmsg should be. 
1143 * Passed the last direction of movement,
1144 * the current view,
1145 * the current message number in the view,
1146 * the top message currently being displayed,
1147 * and the number of lines in the recwin.
1148 */
1149int owl_function_calculate_topmsg_top(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1150{
1151  return(curmsg);
1152}
1153
1154int owl_function_calculate_topmsg_neartop(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1155{
1156  if (curmsg>0 
1157      && (owl_message_get_numlines(owl_view_get_element(v, curmsg-1))
1158          <  recwinlines/2)) {
1159    return(curmsg-1);
1160  } else {
1161    return(curmsg);
1162  }
1163}
1164 
1165int owl_function_calculate_topmsg_center(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1166{
1167  int i, last, lines;
1168
1169  last = curmsg;
1170  lines = 0;
1171  for (i=curmsg-1; i>=0; i--) {
1172    lines += owl_message_get_numlines(owl_view_get_element(v, i));
1173    if (lines > recwinlines/2) break;
1174    last = i;
1175  }
1176  return(last);
1177}
1178 
1179int owl_function_calculate_topmsg_paged(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines, int center_on_page)
1180{
1181  int i, last, lines, savey;
1182 
1183  /* If we're off the top of the screen, scroll up such that the
1184   * curmsg is near the botton of the screen. */
1185  if (curmsg < topmsg) {
1186    last = curmsg;
1187    lines = 0;
1188    for (i=curmsg; i>=0; i--) {
1189      lines += owl_message_get_numlines(owl_view_get_element(v, i));
1190      if (lines > recwinlines) break;
1191    last = i;
1192    }
1193    if (center_on_page) {
1194      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1195    } else {
1196      return(last);
1197    }
1198  }
1199
1200  /* Find number of lines from top to bottom of curmsg (store in savey) */
1201  savey=0;
1202  for (i=topmsg; i<=curmsg; i++) {
1203    savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1204  }
1205
1206  /* if we're off the bottom of the screen, scroll down */
1207  if (savey > recwinlines) {
1208    if (center_on_page) {
1209      return(owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines));
1210    } else {
1211      return(curmsg);
1212    }
1213  }
1214
1215  /* else just stay as we are... */
1216  return(topmsg);
1217}
1218
1219int owl_function_calculate_topmsg_normal(int direction, owl_view *v, int curmsg, int topmsg, int recwinlines)
1220{
1221  int savey, i, foo, y;
1222
1223  if (curmsg<0) return(topmsg);
1224   
1225  /* If we're off the top of the screen then center */
1226  if (curmsg<topmsg) {
1227    topmsg=owl_function_calculate_topmsg_center(direction, v, curmsg, 0, recwinlines);
1228  }
1229
1230  /* If curmsg is so far past topmsg that there are more messages than
1231     lines, skip the line counting that follows because we're
1232     certainly off screen.  */
1233  savey=curmsg-topmsg;
1234  if (savey <= recwinlines) {
1235    /* Find number of lines from top to bottom of curmsg (store in savey) */
1236    savey = 0;
1237    for (i=topmsg; i<=curmsg; i++) {
1238      savey+=owl_message_get_numlines(owl_view_get_element(v, i));
1239    }
1240  }
1241
1242  /* If we're off the bottom of the screen, set the topmsg to curmsg
1243   * and scroll upwards */
1244  if (savey > recwinlines) {
1245    topmsg=curmsg;
1246    savey=owl_message_get_numlines(owl_view_get_element(v, curmsg));
1247    direction=OWL_DIRECTION_UPWARDS;
1248  }
1249 
1250  /* If our bottom line is less than 1/4 down the screen then scroll up */
1251  if (direction == OWL_DIRECTION_UPWARDS || direction == OWL_DIRECTION_NONE) {
1252    if (savey < (recwinlines / 4)) {
1253      y=0;
1254      for (i=curmsg; i>=0; i--) {
1255        foo=owl_message_get_numlines(owl_view_get_element(v, i));
1256        /* will we run the curmsg off the screen? */
1257        if ((foo+y) >= recwinlines) {
1258          i++;
1259          if (i>curmsg) i=curmsg;
1260          break;
1261        }
1262        /* have saved 1/2 the screen space? */
1263        y+=foo;
1264        if (y > (recwinlines / 2)) break;
1265      }
1266      if (i<0) i=0;
1267      return(i);
1268    }
1269  }
1270
1271  if (direction == OWL_DIRECTION_DOWNWARDS || direction == OWL_DIRECTION_NONE) {
1272    /* If curmsg bottom line is more than 3/4 down the screen then scroll down */
1273    if (savey > ((recwinlines * 3)/4)) {
1274      y=0;
1275      /* count lines from the top until we can save 1/2 the screen size */
1276      for (i=topmsg; i<curmsg; i++) {
1277        y+=owl_message_get_numlines(owl_view_get_element(v, i));
1278        if (y > (recwinlines / 2)) break;
1279      }
1280      if (i==curmsg) {
1281        i--;
1282      }
1283      return(i+1);
1284    }
1285  }
1286
1287  return(topmsg);
1288}
1289
1290void owl_function_resize()
1291{
1292  owl_global_set_resize_pending(&g);
1293}
1294
1295void owl_function_run_buffercommand()
1296{
1297  owl_editwin_do_callback(owl_global_get_typwin(&g));
1298}
1299
1300void owl_function_debugmsg(char *fmt, ...)
1301{
1302  FILE *file;
1303  time_t now;
1304  char buff1[LINE], buff2[LINE];
1305  va_list ap;
1306  va_start(ap, fmt);
1307
1308  if (!owl_global_is_debug_fast(&g)) return;
1309
1310  file=fopen(owl_global_get_debug_file(&g), "a");
1311  if (!file) return;
1312
1313  now=time(NULL);
1314  strcpy(buff1, ctime(&now));
1315  buff1[strlen(buff1)-1]='\0';
1316
1317  owl_global_get_runtime_string(&g, buff2);
1318 
1319  fprintf(file, "[%i -  %s - %s]: ", (int) getpid(), buff1, buff2);
1320  vfprintf(file, fmt, ap);
1321  fprintf(file, "\n");
1322  fclose(file);
1323
1324  va_end(ap);
1325}
1326
1327void owl_function_refresh()
1328{
1329  owl_function_resize();
1330}
1331
1332void owl_function_beep()
1333{
1334  if (owl_global_is_bell(&g)) {
1335    beep();
1336    owl_global_set_needrefresh(&g); /* do we really need this? */
1337  }
1338}
1339
1340void owl_function_subscribe(char *class, char *inst, char *recip)
1341{
1342  int ret;
1343
1344  ret=owl_zephyr_sub(class, inst, recip);
1345  if (ret) {
1346    owl_function_error("Error subscribing.");
1347  } else {
1348    owl_function_makemsg("Subscribed.");
1349  }
1350}
1351
1352void owl_function_unsubscribe(char *class, char *inst, char *recip)
1353{
1354  int ret;
1355
1356  ret=owl_zephyr_unsub(class, inst, recip);
1357  if (ret) {
1358    owl_function_error("Error subscribing.");
1359  } else {
1360    owl_function_makemsg("Unsubscribed.");
1361  }
1362}
1363
1364void owl_function_set_cursor(WINDOW *win)
1365{
1366  wnoutrefresh(win);
1367}
1368
1369void owl_function_full_redisplay()
1370{
1371  redrawwin(owl_global_get_curs_recwin(&g));
1372  redrawwin(owl_global_get_curs_sepwin(&g));
1373  // Work around curses segfualts with windows off the screen
1374  if (g.lines >= owl_global_get_typwin_lines(&g)+2)
1375      redrawwin(owl_global_get_curs_typwin(&g));
1376  if (g.lines >= 2)
1377      redrawwin(owl_global_get_curs_msgwin(&g));
1378
1379  wnoutrefresh(owl_global_get_curs_recwin(&g));
1380  wnoutrefresh(owl_global_get_curs_sepwin(&g));
1381  wnoutrefresh(owl_global_get_curs_typwin(&g));
1382  wnoutrefresh(owl_global_get_curs_msgwin(&g));
1383
1384  if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
1385    owl_popwin_refresh(owl_global_get_popwin(&g));
1386  }
1387 
1388  sepbar("");
1389  owl_function_makemsg("");
1390
1391  owl_global_set_needrefresh(&g);
1392}
1393
1394void owl_function_popless_text(char *text)
1395{
1396  owl_popwin *pw;
1397  owl_viewwin *v;
1398
1399  pw=owl_global_get_popwin(&g);
1400  v=owl_global_get_viewwin(&g);
1401
1402  owl_popwin_up(pw);
1403  owl_viewwin_init_text(v, owl_popwin_get_curswin(pw),
1404                        owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1405                        text);
1406  owl_popwin_refresh(pw);
1407  owl_viewwin_redisplay(v, 0);
1408  owl_global_set_needrefresh(&g);
1409}
1410
1411void owl_function_popless_fmtext(owl_fmtext *fm)
1412{
1413  owl_popwin *pw;
1414  owl_viewwin *v;
1415
1416  pw=owl_global_get_popwin(&g);
1417  v=owl_global_get_viewwin(&g);
1418
1419  owl_popwin_up(pw);
1420  owl_viewwin_init_fmtext(v, owl_popwin_get_curswin(pw),
1421                   owl_popwin_get_lines(pw), owl_popwin_get_cols(pw),
1422                   fm);
1423  owl_popwin_refresh(pw);
1424  owl_viewwin_redisplay(v, 0);
1425  owl_global_set_needrefresh(&g);
1426}
1427
1428void owl_function_popless_file(char *filename)
1429{
1430  owl_fmtext fm;
1431  FILE *file;
1432  char buff[1024];
1433
1434  file=fopen(filename, "r");
1435  if (!file) {
1436    owl_function_error("Could not open file: %s", filename);
1437    return;
1438  }
1439
1440  owl_fmtext_init_null(&fm);
1441  while (fgets(buff, 1024, file)) {
1442    owl_fmtext_append_normal(&fm, buff);
1443    /*    owl_fmtext_append_normal(&fm, "\n"); */
1444  }
1445
1446  owl_function_popless_fmtext(&fm);
1447  owl_fmtext_free(&fm);
1448  fclose(file);
1449}
1450
1451void owl_function_about()
1452{
1453  char buff[5000];
1454
1455  sprintf(buff, "This is barnowl version %s\n\n", OWL_VERSION_STRING);
1456  strcat(buff, "barnowl is a fork of the Owl zephyr client, written and\n");
1457  strcat(buff, "maintained by Alejandro Sedeno and Nelson Elhage at the\n");
1458  strcat(buff, "Massachusetts Institute of Technology. \n");
1459  strcat(buff, "\n");
1460  strcat(buff, "Owl was written by James Kretchmar. The first version, 0.5, was\n");
1461  strcat(buff, "released in March 2002.\n");
1462  strcat(buff, "\n");
1463  strcat(buff, "The name 'owl' was chosen in reference to the owls in the\n");
1464  strcat(buff, "Harry Potter novels, who are tasked with carrying messages\n");
1465  strcat(buff, "between Witches and Wizards. The name 'barnowl' was chosen\n");
1466  strcat(buff, "because we feel our owls should live closer to our ponies.\n");
1467  strcat(buff, "\n");
1468  strcat(buff, "Copyright 2002 Massachusetts Institute of Technology\n");
1469  strcat(buff, "\n");
1470  strcat(buff, "Permission to use, copy, modify, and distribute this\n");
1471  strcat(buff, "software and its documentation for any purpose and without\n");
1472  strcat(buff, "fee is hereby granted, provided that the above copyright\n");
1473  strcat(buff, "notice and this permission notice appear in all copies\n");
1474  strcat(buff, "and in supporting documentation.  No representation is\n");
1475  strcat(buff, "made about the suitability of this software for any\n");
1476  strcat(buff, "purpose.  It is provided \"as is\" without express\n");
1477  strcat(buff, "or implied warranty.\n");
1478  owl_function_popless_text(buff);
1479}
1480
1481void owl_function_info()
1482{
1483  owl_message *m;
1484  owl_fmtext fm, attrfm;
1485  char buff[10000];
1486  owl_view *v;
1487#ifdef HAVE_LIBZEPHYR
1488  ZNotice_t *n;
1489#endif
1490
1491  owl_fmtext_init_null(&fm);
1492 
1493  v=owl_global_get_current_view(&g);
1494  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1495  if (!m || owl_view_get_size(v)==0) {
1496    owl_function_error("No message selected\n");
1497    return;
1498  }
1499
1500  owl_fmtext_append_bold(&fm, "General Information:\n");
1501  owl_fmtext_append_normal(&fm, "  Msg Id    : ");
1502  sprintf(buff, "%i", owl_message_get_id(m));
1503  owl_fmtext_append_normal(&fm, buff);
1504  owl_fmtext_append_normal(&fm, "\n");
1505
1506  owl_fmtext_append_normal(&fm, "  Type      : ");
1507  owl_fmtext_append_bold(&fm, owl_message_get_type(m));
1508  owl_fmtext_append_normal(&fm, "\n");
1509
1510  if (owl_message_is_direction_in(m)) {
1511    owl_fmtext_append_normal(&fm, "  Direction : in\n");
1512  } else if (owl_message_is_direction_out(m)) {
1513    owl_fmtext_append_normal(&fm, "  Direction : out\n");
1514  } else if (owl_message_is_direction_none(m)) {
1515    owl_fmtext_append_normal(&fm, "  Direction : none\n");
1516  } else {
1517    owl_fmtext_append_normal(&fm, "  Direction : unknown\n");
1518  }
1519
1520  owl_fmtext_append_normal(&fm, "  Time      : ");
1521  owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1522  owl_fmtext_append_normal(&fm, "\n");
1523
1524  if (!owl_message_is_type_admin(m)) {
1525    owl_fmtext_append_normal(&fm, "  Sender    : ");
1526    owl_fmtext_append_normal(&fm, owl_message_get_sender(m));
1527    owl_fmtext_append_normal(&fm, "\n");
1528   
1529    owl_fmtext_append_normal(&fm, "  Recipient : ");
1530    owl_fmtext_append_normal(&fm, owl_message_get_recipient(m));
1531    owl_fmtext_append_normal(&fm, "\n");
1532  }
1533   
1534  if (owl_message_is_type_zephyr(m)) {
1535    owl_fmtext_append_bold(&fm, "\nZephyr Specific Information:\n");
1536   
1537    owl_fmtext_append_normal(&fm, "  Class     : ");
1538    owl_fmtext_append_normal(&fm, owl_message_get_class(m));
1539    owl_fmtext_append_normal(&fm, "\n");
1540    owl_fmtext_append_normal(&fm, "  Instance  : ");
1541    owl_fmtext_append_normal(&fm, owl_message_get_instance(m));
1542    owl_fmtext_append_normal(&fm, "\n");
1543    owl_fmtext_append_normal(&fm, "  Opcode    : ");
1544    owl_fmtext_append_normal(&fm, owl_message_get_opcode(m));
1545    owl_fmtext_append_normal(&fm, "\n");
1546   
1547    owl_fmtext_append_normal(&fm, "  Time      : ");
1548    owl_fmtext_append_normal(&fm, owl_message_get_timestr(m));
1549    owl_fmtext_append_normal(&fm, "\n");
1550#ifdef HAVE_LIBZEPHYR
1551    if (owl_message_is_direction_in(m)) {
1552      char *ptr, tmpbuff[1024];
1553      int i, j, fields, len;
1554
1555      n=owl_message_get_notice(m);
1556
1557      if (!owl_message_is_pseudo(m)) {
1558        owl_fmtext_append_normal(&fm, "  Kind      : ");
1559        if (n->z_kind==UNSAFE) {
1560          owl_fmtext_append_normal(&fm, "UNSAFE\n");
1561        } else if (n->z_kind==UNACKED) {
1562          owl_fmtext_append_normal(&fm, "UNACKED\n");
1563        } else if (n->z_kind==ACKED) {
1564          owl_fmtext_append_normal(&fm, "ACKED\n");
1565        } else if (n->z_kind==HMACK) {
1566          owl_fmtext_append_normal(&fm, "HMACK\n");
1567        } else if (n->z_kind==HMCTL) {
1568          owl_fmtext_append_normal(&fm, "HMCTL\n");
1569        } else if (n->z_kind==SERVACK) {
1570          owl_fmtext_append_normal(&fm, "SERVACK\n");
1571        } else if (n->z_kind==SERVNAK) {
1572          owl_fmtext_append_normal(&fm, "SERVNACK\n");
1573        } else if (n->z_kind==CLIENTACK) {
1574          owl_fmtext_append_normal(&fm, "CLIENTACK\n");
1575        } else if (n->z_kind==STAT) {
1576          owl_fmtext_append_normal(&fm, "STAT\n");
1577        } else {
1578          owl_fmtext_append_normal(&fm, "ILLEGAL VALUE\n");
1579        }
1580      }
1581      owl_fmtext_append_normal(&fm, "  Host      : ");
1582      owl_fmtext_append_normal(&fm, owl_message_get_hostname(m));
1583
1584      if (!owl_message_is_pseudo(m)) {
1585        owl_fmtext_append_normal(&fm, "\n");
1586        sprintf(buff, "  Port      : %i\n", ntohs(n->z_port));
1587        owl_fmtext_append_normal(&fm, buff);
1588
1589        owl_fmtext_append_normal(&fm,    "  Auth      : ");
1590        owl_fmtext_append_normal(&fm, owl_zephyr_get_authstr(n));
1591        owl_fmtext_append_normal(&fm, "\n");
1592       
1593        /* fix this */
1594        sprintf(buff, "  Checkd Ath: %i\n", n->z_checked_auth);
1595        sprintf(buff, "%s  Multi notc: %s\n", buff, n->z_multinotice);
1596        sprintf(buff, "%s  Num other : %i\n", buff, n->z_num_other_fields);
1597        sprintf(buff, "%s  Msg Len   : %i\n", buff, n->z_message_len);
1598        owl_fmtext_append_normal(&fm, buff);
1599       
1600        sprintf(buff, "  Fields    : %i\n", owl_zephyr_get_num_fields(n));
1601        owl_fmtext_append_normal(&fm, buff);
1602       
1603        fields=owl_zephyr_get_num_fields(n);
1604        for (i=0; i<fields; i++) {
1605          sprintf(buff, "  Field %i   : ", i+1);
1606         
1607          ptr=owl_zephyr_get_field(n, i+1);
1608          len=strlen(ptr);
1609          if (len<30) {
1610            strncpy(tmpbuff, ptr, len);
1611            tmpbuff[len]='\0';
1612          } else {
1613            strncpy(tmpbuff, ptr, 30);
1614            tmpbuff[30]='\0';
1615            strcat(tmpbuff, "...");
1616          }
1617          owl_free(ptr);
1618         
1619          for (j=0; j<strlen(tmpbuff); j++) {
1620            if (tmpbuff[j]=='\n') tmpbuff[j]='~';
1621            if (tmpbuff[j]=='\r') tmpbuff[j]='!';
1622          }
1623         
1624          strcat(buff, tmpbuff);
1625          strcat(buff, "\n");
1626          owl_fmtext_append_normal(&fm, buff);
1627        }
1628        owl_fmtext_append_normal(&fm, "  Default Fm:");
1629        owl_fmtext_append_normal(&fm, n->z_default_format);
1630      }
1631     
1632    }
1633#endif   
1634  }
1635
1636  if (owl_message_is_type_aim(m)) {
1637    owl_fmtext_append_bold(&fm, "\nAIM Specific Information:\n");
1638  }
1639
1640  owl_fmtext_append_bold(&fm, "\nOwl Message Attributes:\n");
1641  owl_message_attributes_tofmtext(m, &attrfm);
1642  owl_fmtext_append_fmtext(&fm, &attrfm);
1643 
1644  owl_function_popless_fmtext(&fm);
1645  owl_fmtext_free(&fm);
1646  owl_fmtext_free(&attrfm);
1647}
1648
1649/* print the current message in a popup window.
1650 * Use the 'default' style regardless of whatever
1651 * style the user may be using
1652 */
1653void owl_function_curmsg_to_popwin()
1654{
1655  owl_popwin *pw;
1656  owl_view *v;
1657  owl_message *m;
1658  owl_style *s;
1659  owl_fmtext fm;
1660
1661  v=owl_global_get_current_view(&g);
1662  s=owl_global_get_style_by_name(&g, "default");
1663  pw=owl_global_get_popwin(&g);
1664
1665  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
1666
1667  if (!m || owl_view_get_size(v)==0) {
1668    owl_function_error("No current message");
1669    return;
1670  }
1671
1672  owl_fmtext_init_null(&fm);
1673  owl_style_get_formattext(s, &fm, m);
1674
1675  owl_function_popless_fmtext(&fm);
1676  owl_fmtext_free(&fm);
1677}
1678
1679void owl_function_page_curmsg(int step)
1680{
1681  /* scroll down or up within the current message IF the message is truncated */
1682
1683  int offset, curmsg, lines;
1684  owl_view *v;
1685  owl_message *m;
1686
1687  offset=owl_global_get_curmsg_vert_offset(&g);
1688  v=owl_global_get_current_view(&g);
1689  curmsg=owl_global_get_curmsg(&g);
1690  m=owl_view_get_element(v, curmsg);
1691  if (!m || owl_view_get_size(v)==0) return;
1692  lines=owl_message_get_numlines(m);
1693
1694  if (offset==0) {
1695    /* Bail if the curmsg isn't the last one displayed */
1696    if (curmsg != owl_mainwin_get_last_msg(owl_global_get_mainwin(&g))) {
1697      owl_function_makemsg("The entire message is already displayed");
1698      return;
1699    }
1700   
1701    /* Bail if we're not truncated */
1702    if (!owl_mainwin_is_curmsg_truncated(owl_global_get_mainwin(&g))) {
1703      owl_function_makemsg("The entire message is already displayed");
1704      return;
1705    }
1706  }
1707 
1708 
1709  /* don't scroll past the last line */
1710  if (step>0) {
1711    if (offset+step > lines-1) {
1712      owl_global_set_curmsg_vert_offset(&g, lines-1);
1713    } else {
1714      owl_global_set_curmsg_vert_offset(&g, offset+step);
1715    }
1716  }
1717
1718  /* would we be before the beginning of the message? */
1719  if (step<0) {
1720    if (offset+step<0) {
1721      owl_global_set_curmsg_vert_offset(&g, 0);
1722    } else {
1723      owl_global_set_curmsg_vert_offset(&g, offset+step);
1724    }
1725  }
1726 
1727  /* redisplay */
1728  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1729  owl_global_set_needrefresh(&g);
1730}
1731
1732void owl_function_resize_typwin(int newsize)
1733{
1734  owl_global_set_typwin_lines(&g, newsize);
1735  owl_function_resize();
1736}
1737
1738void owl_function_typwin_grow()
1739{
1740  int i;
1741
1742  i=owl_global_get_typwin_lines(&g);
1743  owl_function_resize_typwin(i+1);
1744}
1745
1746void owl_function_typwin_shrink()
1747{
1748  int i;
1749
1750  i=owl_global_get_typwin_lines(&g);
1751  if (i>2) {
1752    owl_function_resize_typwin(i-1);
1753  }
1754}
1755
1756void owl_function_mainwin_pagedown()
1757{
1758  int i;
1759
1760  i=owl_mainwin_get_last_msg(owl_global_get_mainwin(&g));
1761  if (i<0) return;
1762  if (owl_mainwin_is_last_msg_truncated(owl_global_get_mainwin(&g))
1763      && (owl_global_get_curmsg(&g) < i)
1764      && (i>0)) {
1765    i--;
1766  }
1767  owl_global_set_curmsg(&g, i);
1768  owl_function_nextmsg();
1769}
1770
1771void owl_function_mainwin_pageup()
1772{
1773  owl_global_set_curmsg(&g, owl_global_get_topmsg(&g));
1774  owl_function_prevmsg();
1775}
1776
1777void owl_function_getsubs()
1778{
1779  char *buff;
1780
1781  buff=owl_zephyr_getsubs();
1782
1783  if (buff) {
1784    owl_function_popless_text(buff);
1785  } else {
1786    owl_function_popless_text("Error getting subscriptions");
1787  }
1788           
1789  owl_free(buff);
1790}
1791
1792#define PABUFLEN 5000
1793void owl_function_printallvars()
1794{
1795  char buff[PABUFLEN], *pos, *name;
1796  owl_list varnames;
1797  int i, numvarnames, rem;
1798
1799  pos = buff;
1800  pos += sprintf(pos, "%-20s = %s\n", "VARIABLE", "VALUE");
1801  pos += sprintf(pos, "%-20s   %s\n",  "--------", "-----");
1802  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1803  rem = (buff+PABUFLEN)-pos-1;
1804  numvarnames = owl_list_get_size(&varnames);
1805  for (i=0; i<numvarnames; i++) {
1806    name = owl_list_get_element(&varnames, i);
1807    if (name && name[0]!='_') {
1808      rem = (buff+PABUFLEN)-pos-1;   
1809      pos += snprintf(pos, rem, "\n%-20s = ", name);
1810      rem = (buff+PABUFLEN)-pos-1;   
1811      owl_variable_get_tostring(owl_global_get_vardict(&g), name, pos, rem);
1812      pos = buff+strlen(buff);
1813    }
1814  }
1815  rem = (buff+PABUFLEN)-pos-1;   
1816  snprintf(pos, rem, "\n");
1817  owl_variable_dict_namelist_free(&varnames);
1818 
1819  owl_function_popless_text(buff);
1820}
1821
1822void owl_function_show_variables()
1823{
1824  owl_list varnames;
1825  owl_fmtext fm; 
1826  int i, numvarnames;
1827  char *varname;
1828
1829  owl_fmtext_init_null(&fm);
1830  owl_fmtext_append_bold(&fm, 
1831      "Variables: (use 'show variable <name>' for details)\n");
1832  owl_variable_dict_get_names(owl_global_get_vardict(&g), &varnames);
1833  numvarnames = owl_list_get_size(&varnames);
1834  for (i=0; i<numvarnames; i++) {
1835    varname = owl_list_get_element(&varnames, i);
1836    if (varname && varname[0]!='_') {
1837      owl_variable_describe(owl_global_get_vardict(&g), varname, &fm);
1838    }
1839  }
1840  owl_variable_dict_namelist_free(&varnames);
1841  owl_function_popless_fmtext(&fm);
1842  owl_fmtext_free(&fm);
1843}
1844
1845void owl_function_show_variable(char *name)
1846{
1847  owl_fmtext fm; 
1848
1849  owl_fmtext_init_null(&fm);
1850  owl_variable_get_help(owl_global_get_vardict(&g), name, &fm);
1851  owl_function_popless_fmtext(&fm);
1852  owl_fmtext_free(&fm); 
1853}
1854
1855/* note: this applies to global message list, not to view.
1856 * If flag is 1, deletes.  If flag is 0, undeletes. */
1857void owl_function_delete_by_id(int id, int flag)
1858{
1859  owl_messagelist *ml;
1860  owl_message *m;
1861  ml = owl_global_get_msglist(&g);
1862  m = owl_messagelist_get_by_id(ml, id);
1863  if (m) {
1864    if (flag == 1) {
1865      owl_message_mark_delete(m);
1866    } else if (flag == 0) {
1867      owl_message_unmark_delete(m);
1868    }
1869    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1870    owl_global_set_needrefresh(&g);
1871  } else {
1872    owl_function_error("No message with id %d: unable to mark for (un)delete",id);
1873  }
1874}
1875
1876void owl_function_delete_automsgs()
1877{
1878  /* mark for deletion all messages in the current view that match the
1879   * 'trash' filter */
1880
1881  int i, j, count;
1882  owl_message *m;
1883  owl_view *v;
1884  owl_filter *f;
1885
1886  /* get the trash filter */
1887  f=owl_global_get_filter(&g, "trash");
1888  if (!f) {
1889    owl_function_error("No trash filter defined");
1890    return;
1891  }
1892
1893  v=owl_global_get_current_view(&g);
1894
1895  count=0;
1896  j=owl_view_get_size(v);
1897  for (i=0; i<j; i++) {
1898    m=owl_view_get_element(v, i);
1899    if (owl_filter_message_match(f, m)) {
1900      count++;
1901      owl_message_mark_delete(m);
1902    }
1903  }
1904  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
1905  owl_function_makemsg("%i messages marked for deletion", count);
1906  owl_global_set_needrefresh(&g);
1907}
1908
1909void owl_function_status()
1910{
1911  char buff[5000];
1912  time_t start;
1913  int up, days, hours, minutes;
1914  owl_fmtext fm;
1915
1916  owl_fmtext_init_null(&fm);
1917
1918  start=owl_global_get_starttime(&g);
1919
1920  owl_fmtext_append_normal(&fm, "General Information:\n");
1921
1922  owl_fmtext_append_normal(&fm, "  Version: ");
1923  owl_fmtext_append_normal(&fm, OWL_VERSION_STRING);
1924  owl_fmtext_append_normal(&fm, "\n");
1925
1926  owl_fmtext_append_normal(&fm, "  Startup Arugments: ");
1927  owl_fmtext_append_normal(&fm, owl_global_get_startupargs(&g));
1928  owl_fmtext_append_normal(&fm, "\n");
1929
1930  owl_fmtext_append_normal(&fm, "  Current Directory: ");
1931  (void) getcwd(buff, MAXPATHLEN);
1932  owl_fmtext_append_normal(&fm, buff);
1933  owl_fmtext_append_normal(&fm, "\n");
1934
1935  sprintf(buff, "  Startup Time: %s", ctime(&start));
1936  owl_fmtext_append_normal(&fm, buff);
1937
1938  up=owl_global_get_runtime(&g);
1939  days=up/86400;
1940  up-=days*86400;
1941  hours=up/3600;
1942  up-=hours*3600;
1943  minutes=up/60;
1944  up-=minutes*60;
1945  sprintf(buff, "  Run Time: %i days %2.2i:%2.2i:%2.2i\n", days, hours, minutes, up);
1946  owl_fmtext_append_normal(&fm, buff);
1947
1948  owl_fmtext_append_normal(&fm, "\nProtocol Options:\n");
1949  owl_fmtext_append_normal(&fm, "  Zephyr included    : ");
1950  if (owl_global_is_havezephyr(&g)) {
1951    owl_fmtext_append_normal(&fm, "yes\n");
1952  } else {
1953    owl_fmtext_append_normal(&fm, "no\n");
1954  }
1955  owl_fmtext_append_normal(&fm, "  AIM included       : yes\n");
1956  owl_fmtext_append_normal(&fm, "  Loopback included  : yes\n");
1957
1958
1959  owl_fmtext_append_normal(&fm, "\nBuild Options:\n");
1960  owl_fmtext_append_normal(&fm, "  Stderr redirection : ");
1961#if OWL_STDERR_REDIR
1962  owl_fmtext_append_normal(&fm, "yes\n");
1963#else
1964  owl_fmtext_append_normal(&fm, "no\n");
1965#endif
1966 
1967
1968  owl_fmtext_append_normal(&fm, "\nMemory Usage:\n");
1969  owl_fmtext_append_normal(&fm, "  Not currently available.\n");
1970  /*
1971  sprintf(buff, "%sMemory Malloced: %i\n", buff, owl_global_get_malloced(&g));
1972  sprintf(buff, "%sMemory Freed: %i\n", buff, owl_global_get_freed(&g));
1973  sprintf(buff, "%sMemory In Use: %i\n", buff, owl_global_get_meminuse(&g));
1974  */
1975
1976  owl_fmtext_append_normal(&fm, "\nAIM Status:\n");
1977  owl_fmtext_append_normal(&fm, "  Logged in: ");
1978  if (owl_global_is_aimloggedin(&g)) {
1979    owl_fmtext_append_normal(&fm, owl_global_get_aim_screenname(&g));
1980    owl_fmtext_append_normal(&fm, "\n");
1981  } else {
1982    owl_fmtext_append_normal(&fm, "(not logged in)\n");
1983  }
1984
1985  owl_fmtext_append_normal(&fm, "  Processing events: ");
1986  if (owl_global_is_doaimevents(&g)) {
1987    owl_fmtext_append_normal(&fm, "yes\n");
1988  } else {
1989    owl_fmtext_append_normal(&fm, "no\n");
1990  }
1991
1992  owl_function_popless_fmtext(&fm);
1993  owl_fmtext_free(&fm);
1994}
1995
1996void owl_function_show_term()
1997{
1998  owl_fmtext fm;
1999  char buff[LINE];
2000
2001  owl_fmtext_init_null(&fm);
2002  sprintf(buff, "Terminal Lines: %i\nTerminal Columns: %i\n",
2003          owl_global_get_lines(&g),
2004          owl_global_get_cols(&g));
2005  owl_fmtext_append_normal(&fm, buff);
2006
2007  if (owl_global_get_hascolors(&g)) {
2008    owl_fmtext_append_normal(&fm, "Color: Yes\n");
2009    sprintf(buff, "Number of color pairs: %i\n", owl_global_get_colorpairs(&g));
2010    owl_fmtext_append_normal(&fm, buff);
2011    sprintf(buff, "Can change colors: %s\n", can_change_color() ? "yes" : "no");
2012    owl_fmtext_append_normal(&fm, buff);
2013  } else {
2014    owl_fmtext_append_normal(&fm, "Color: No\n");
2015  }
2016
2017  owl_function_popless_fmtext(&fm);
2018  owl_fmtext_free(&fm);
2019}
2020
2021/* if type = 0 then normal reply.
2022 * if type = 1 then it's a reply to sender
2023 * if enter = 0 then allow the command to be edited
2024 * if enter = 1 then don't wait for editing
2025 */
2026void owl_function_reply(int type, int enter)
2027{
2028  char *buff=NULL, *oldbuff;
2029  owl_message *m;
2030  owl_filter *f;
2031 
2032  if (owl_view_get_size(owl_global_get_current_view(&g))==0) {
2033    owl_function_error("No message selected");
2034  } else {
2035    char *class, *inst, *to, *cc=NULL;
2036   
2037    m=owl_view_get_element(owl_global_get_current_view(&g), owl_global_get_curmsg(&g));
2038    if (!m) {
2039      owl_function_error("No message selected");
2040      return;
2041    }
2042
2043    /* first check if we catch the reply-lockout filter */
2044    f=owl_global_get_filter(&g, "reply-lockout");
2045    if (f) {
2046      if (owl_filter_message_match(f, m)) {
2047        owl_function_error("Sorry, replies to this message have been disabled by the reply-lockout filter");
2048        return;
2049      }
2050    }
2051
2052    /* loopback */
2053    if (owl_message_is_type_loopback(m)) {
2054      owl_function_loopwrite_setup();
2055      return;
2056    }
2057
2058    /* zephyr */
2059    if (owl_message_is_type_zephyr(m)) {
2060      /* if it's a zephyr we sent, send it out the same way again */
2061      if (owl_message_is_direction_out(m)) {
2062          buff = owl_strdup(owl_message_get_zwriteline(m));
2063      } else {
2064
2065        /* Special case a personal reply to a webzephyr user on a class */
2066        if ((type==1) && !strcasecmp(owl_message_get_opcode(m), OWL_WEBZEPHYR_OPCODE)) {
2067          class=OWL_WEBZEPHYR_CLASS;
2068          inst=owl_message_get_sender(m);
2069          to=OWL_WEBZEPHYR_PRINCIPAL;
2070        } else if (!strcasecmp(owl_message_get_class(m), OWL_WEBZEPHYR_CLASS) && owl_message_is_loginout(m)) {
2071          /* Special case LOGIN/LOGOUT notifications on class "webzephyr" */
2072          class=OWL_WEBZEPHYR_CLASS;
2073          inst=owl_message_get_instance(m);
2074          to=OWL_WEBZEPHYR_PRINCIPAL;
2075        } else if (owl_message_is_loginout(m)) {
2076          /* Normal LOGIN/LOGOUT messages */
2077          class="MESSAGE";
2078          inst="PERSONAL";
2079          to=owl_message_get_sender(m);
2080        } else if (type==1) {
2081          /* Personal reply */
2082          class="MESSAGE";
2083          inst="PERSONAL";
2084          to=owl_message_get_sender(m);
2085        } else {
2086          /* General reply */
2087          class=owl_message_get_class(m);
2088          inst=owl_message_get_instance(m);
2089          to=owl_message_get_recipient(m);
2090          cc=owl_message_get_cc_without_recipient(m);
2091          if (!strcmp(to, "") || !strcmp(to, "*")) {
2092            to="";
2093          } else if (to[0]=='@') {
2094            /* leave it, to get the realm */
2095          } else {
2096            to=owl_message_get_sender(m);
2097          }
2098        }
2099
2100        /* create the command line */
2101        if (!strcasecmp(owl_message_get_opcode(m), "CRYPT")) {
2102          buff=owl_strdup("zcrypt");
2103        } else {
2104          buff = owl_strdup("zwrite");
2105        }
2106        if (strcasecmp(class, "message")) {
2107          buff = owl_sprintf("%s -c %s%s%s", oldbuff=buff, owl_getquoting(class), class, owl_getquoting(class));
2108          owl_free(oldbuff);
2109        }
2110        if (strcasecmp(inst, "personal")) {
2111          buff = owl_sprintf("%s -i %s%s%s", oldbuff=buff, owl_getquoting(inst), inst, owl_getquoting(inst));
2112          owl_free(oldbuff);
2113        }
2114        if (*to != '\0') {
2115          char *tmp, *oldtmp, *tmp2;
2116          tmp=short_zuser(to);
2117          if (cc) {
2118            tmp = owl_util_uniq(oldtmp=tmp, cc, "-");
2119            owl_free(oldtmp);
2120            buff = owl_sprintf("%s -C %s", oldbuff=buff, tmp);
2121            owl_free(oldbuff);
2122          } else {
2123            if (owl_global_is_smartstrip(&g)) {
2124              tmp2=tmp;
2125              tmp=owl_zephyr_smartstripped_user(tmp2);
2126              owl_free(tmp2);
2127            }
2128            buff = owl_sprintf("%s %s", oldbuff=buff, tmp);
2129            owl_free(oldbuff);
2130          }
2131          owl_free(tmp);
2132        }
2133        if (cc) owl_free(cc);
2134      }
2135    } else if (owl_message_is_type_aim(m)) {
2136      /* aim */
2137      if (owl_message_is_direction_out(m)) {
2138        buff=owl_sprintf("aimwrite %s", owl_message_get_recipient(m));
2139      } else {
2140        buff=owl_sprintf("aimwrite %s", owl_message_get_sender(m));
2141      }
2142    } else {
2143      char *cmd;
2144      if((type==0 && (cmd=owl_message_get_attribute_value(m, "replycmd")))
2145         || (type==1 && (cmd=owl_message_get_attribute_value(m, "replysendercmd")))) {
2146        buff = owl_strdup(cmd);
2147      }
2148    }
2149
2150    if(!buff) {
2151        owl_function_error("I don't know how to reply to that message.");
2152        return;
2153    }
2154   
2155    if (enter) {
2156      owl_history *hist = owl_global_get_cmd_history(&g);
2157      owl_history_store(hist, buff);
2158      owl_history_reset(hist);
2159      owl_function_command_norv(buff);
2160    } else {
2161      owl_function_start_command(buff);
2162    }
2163    owl_free(buff);
2164  }
2165}
2166
2167void owl_function_zlocate(int argc, char **argv, int auth)
2168{
2169  owl_fmtext fm;
2170  char *ptr, buff[LINE];
2171  int i;
2172
2173  owl_fmtext_init_null(&fm);
2174
2175  for (i=0; i<argc; i++) {
2176    ptr=long_zuser(argv[i]);
2177    owl_zephyr_zlocate(ptr, buff, auth);
2178    owl_fmtext_append_normal(&fm, buff);
2179    owl_free(ptr);
2180  }
2181
2182  owl_function_popless_fmtext(&fm);
2183  owl_fmtext_free(&fm);
2184}
2185
2186void owl_function_start_command(char *line)
2187{
2188  int i, j;
2189  owl_editwin *tw;
2190
2191  tw=owl_global_get_typwin(&g);
2192  owl_global_set_typwin_active(&g);
2193  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, 
2194                        owl_global_get_cmd_history(&g));
2195
2196  owl_editwin_set_locktext(tw, "command: ");
2197  owl_global_set_needrefresh(&g);
2198
2199  j=strlen(line);
2200  for (i=0; i<j; i++) {
2201    owl_editwin_process_char(tw, line[i]);
2202  }
2203  owl_editwin_redisplay(tw, 0);
2204
2205  owl_context_set_editline(owl_global_get_context(&g), tw);
2206  owl_function_activate_keymap("editline");
2207}
2208
2209void owl_function_start_question(char *line)
2210{
2211  owl_editwin *tw;
2212
2213  tw=owl_global_get_typwin(&g);
2214  owl_global_set_typwin_active(&g);
2215  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2216
2217  owl_editwin_set_locktext(tw, line);
2218  owl_global_set_needrefresh(&g);
2219
2220  owl_editwin_redisplay(tw, 0);
2221
2222  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2223  owl_function_activate_keymap("editresponse");
2224}
2225
2226void owl_function_start_password(char *line)
2227{
2228  owl_editwin *tw;
2229
2230  tw=owl_global_get_typwin(&g);
2231  owl_global_set_typwin_active(&g);
2232  owl_editwin_new_style(tw, OWL_EDITWIN_STYLE_ONELINE, owl_global_get_cmd_history(&g));
2233  owl_editwin_set_echochar(tw, '*');
2234
2235  owl_editwin_set_locktext(tw, line);
2236  owl_global_set_needrefresh(&g);
2237
2238  owl_editwin_redisplay(tw, 0);
2239
2240  owl_context_set_editresponse(owl_global_get_context(&g), tw);
2241  owl_function_activate_keymap("editresponse");
2242}
2243
2244char *owl_function_exec(int argc, char **argv, char *buff, int type)
2245{
2246  /* if type == 1 display in a popup
2247   * if type == 2 display an admin messages
2248   * if type == 0 return output
2249   * else display in a popup
2250   */
2251  char *newbuff, *redirect = " 2>&1 < /dev/null";
2252  char *out, buff2[1024];
2253  int size;
2254  FILE *p;
2255
2256#if OWL_STDERR_REDIR
2257  redirect = " < /dev/null";
2258#endif
2259
2260  if (argc<2) {
2261    owl_function_error("Wrong number of arguments to the exec command");
2262    return NULL;
2263  }
2264
2265  buff = skiptokens(buff, 1);
2266  newbuff = owl_malloc(strlen(buff)+strlen(redirect)+1);
2267  strcpy(newbuff, buff);
2268  strcat(newbuff, redirect);
2269
2270  if (type == 1) {
2271    owl_popexec_new(newbuff);
2272  } else {
2273    p=popen(newbuff, "r");
2274    out=owl_malloc(1024);
2275    size=1024;
2276    strcpy(out, "");
2277    while (fgets(buff2, 1024, p)!=NULL) {
2278      size+=1024;
2279      out=owl_realloc(out, size);
2280      strcat(out, buff2);
2281    }
2282    pclose(p);
2283   
2284    if (type==1) {
2285      owl_function_popless_text(out);
2286    } else if (type==0) {
2287      return out;
2288    } else if (type==2) {
2289      owl_function_adminmsg(buff, out);
2290    } else {
2291      owl_function_popless_text(out);
2292    }
2293    owl_free(out);
2294  }
2295  return NULL;
2296}
2297
2298char *owl_function_perl(int argc, char **argv, char *buff, int type)
2299{
2300  /* if type == 1 display in a popup
2301   * if type == 2 display an admin messages
2302   * if type == 0 return output
2303   * else display in a popup
2304   */
2305  char *perlout;
2306
2307  if (argc<2) {
2308    owl_function_error("Wrong number of arguments to perl command");
2309    return NULL;
2310  }
2311
2312  /* consume first token (argv[0]) */
2313  buff = skiptokens(buff, 1);
2314
2315  perlout = owl_perlconfig_execute(buff);
2316  if (perlout) { 
2317    if (type==1) {
2318      owl_function_popless_text(perlout);
2319    } else if (type==2) {
2320      owl_function_adminmsg(buff, perlout);
2321    } else if (type==0) {
2322      return perlout;
2323    } else {
2324      owl_function_popless_text(perlout);
2325    }
2326    owl_free(perlout);
2327  }
2328  return NULL;
2329}
2330
2331/* Change the filter associated with the current view.
2332 * This also figures out which message in the new filter
2333 * should have the pointer.
2334 */
2335void owl_function_change_currentview_filter(char *filtname)
2336{
2337  owl_view *v;
2338  owl_filter *f;
2339  int curid=-1, newpos, curmsg;
2340  owl_message *curm=NULL;
2341
2342  v=owl_global_get_current_view(&g);
2343
2344  curmsg=owl_global_get_curmsg(&g);
2345  if (curmsg==-1) {
2346    owl_function_debugmsg("Hit the curmsg==-1 case in change_view");
2347  } else {
2348    curm=owl_view_get_element(v, curmsg);
2349    if (curm) {
2350      curid=owl_message_get_id(curm);
2351      owl_view_save_curmsgid(v, curid);
2352    }
2353  }
2354
2355  f=owl_global_get_filter(&g, filtname);
2356  if (!f) {
2357    owl_function_error("Unknown filter %s", filtname);
2358    return;
2359  }
2360
2361  owl_view_new_filter(v, f);
2362
2363  /* Figure out what to set the current message to.
2364   * - If the view we're leaving has messages in it, go to the closest message
2365   *   to the last message pointed to in that view.
2366   * - If the view we're leaving is empty, try to restore the position
2367   *   from the last time we were in the new view.  */
2368  if (curm) {
2369    newpos = owl_view_get_nearest_to_msgid(v, curid);
2370  } else {
2371    newpos = owl_view_get_nearest_to_saved(v);
2372  }
2373
2374  owl_global_set_curmsg(&g, newpos);
2375  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
2376  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2377  owl_global_set_direction_downwards(&g);
2378}
2379
2380/* Create a new filter, or replace an existing one
2381 * with a new definition.
2382 */
2383void owl_function_create_filter(int argc, char **argv)
2384{
2385  owl_filter *f;
2386  owl_view *v;
2387  int ret, inuse=0;
2388
2389  if (argc < 2) {
2390    owl_function_error("Wrong number of arguments to filter command");
2391    return;
2392  }
2393
2394  owl_function_debugmsg("owl_function_create_filter: starting to create filter named %s", argv[1]);
2395
2396  v=owl_global_get_current_view(&g);
2397
2398  /* don't touch the all filter */
2399  if (!strcmp(argv[1], "all")) {
2400    owl_function_error("You may not change the 'all' filter.");
2401    return;
2402  }
2403
2404  /* deal with the case of trying change the filter color */
2405  if (argc==4 && !strcmp(argv[2], "-c")) {
2406    f=owl_global_get_filter(&g, argv[1]);
2407    if (!f) {
2408      owl_function_error("The filter '%s' does not exist.", argv[1]);
2409      return;
2410    }
2411    if (owl_util_string_to_color(argv[3])==-1) {
2412      owl_function_error("The color '%s' is not available.", argv[3]);
2413      return;
2414    }
2415    owl_filter_set_fgcolor(f, owl_util_string_to_color(argv[3]));
2416    owl_global_set_needrefresh(&g);
2417    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2418    return;
2419  }
2420  if (argc==4 && !strcmp(argv[2], "-b")) {
2421    f=owl_global_get_filter(&g, argv[1]);
2422    if (!f) {
2423      owl_function_error("The filter '%s' does not exist.", argv[1]);
2424      return;
2425    }
2426    if (owl_util_string_to_color(argv[3])==-1) {
2427      owl_function_error("The color '%s' is not available.", argv[3]);
2428      return;
2429    }
2430    owl_filter_set_bgcolor(f, owl_util_string_to_color(argv[3]));
2431    owl_global_set_needrefresh(&g);
2432    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2433    return;
2434  }
2435
2436  /* create the filter and check for errors */
2437  f=owl_malloc(sizeof(owl_filter));
2438  ret=owl_filter_init(f, argv[1], argc-2, argv+2);
2439  if (ret==-1) {
2440    owl_free(f);
2441    owl_function_error("Invalid filter");
2442    return;
2443  }
2444
2445  /* if the named filter is in use by the current view, remember it */
2446  if (!strcmp(owl_view_get_filtname(v), argv[1])) {
2447    inuse=1;
2448  }
2449
2450  /* if the named filter already exists, nuke it */
2451  if (owl_global_get_filter(&g, argv[1])) {
2452    owl_global_remove_filter(&g, argv[1]);
2453  }
2454
2455  /* add the filter */
2456  owl_global_add_filter(&g, f);
2457
2458  /* if it was in use by the current view then update */
2459  if (inuse) {
2460    owl_function_change_currentview_filter(argv[1]);
2461  }
2462  owl_global_set_needrefresh(&g);
2463  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2464}
2465
2466/* If 'filtername' does not start with 'not-' create a filter named
2467 * 'not-<filtername>' defined as "not filter <filtername>".  If the
2468 * filter 'not-<filtername>' already exists, do not overwrite it.  If
2469 * 'filtername' begins with 'not-' and a filter 'filtername' already
2470 * exists, then do nothing.  If the filter 'filtername' does not
2471 * exist, create it and define it as 'not filter <filtername>'
2472 *
2473 * Returns the name of the negated filter, which the caller must free.
2474 */
2475char *owl_function_create_negative_filter(char *filtername)
2476{
2477  char *newname;
2478  owl_filter *tmpfilt;
2479  char *argv[5];
2480
2481  owl_function_debugmsg("owl_function_create_negative_filter");
2482 
2483  if (!strncmp(filtername, "not-", 4)) {
2484    newname=owl_strdup(filtername+4);
2485  } else {
2486    newname=owl_sprintf("not-%s", filtername);
2487  }
2488
2489  tmpfilt=owl_global_get_filter(&g, newname);
2490  if (!tmpfilt) {
2491    argv[0]="filter"; /* anything is fine here */
2492    argv[1]=newname;
2493    argv[2]="not";
2494    argv[3]="filter";
2495    argv[4]=filtername;
2496    owl_function_create_filter(5, argv);
2497  }
2498
2499  owl_function_debugmsg("owl_function_create_negative_filter: returning with %s", newname);
2500  return(newname);
2501}
2502
2503void owl_function_show_filters()
2504{
2505  owl_list *l;
2506  owl_filter *f;
2507  int i, j;
2508  owl_fmtext fm;
2509
2510  owl_fmtext_init_null(&fm);
2511
2512  l=owl_global_get_filterlist(&g);
2513  j=owl_list_get_size(l);
2514
2515  owl_fmtext_append_bold(&fm, "Filters:\n");
2516
2517  for (i=0; i<j; i++) {
2518    f=owl_list_get_element(l, i);
2519    owl_fmtext_append_normal(&fm, "   ");
2520    if (owl_global_get_hascolors(&g)) {
2521      owl_fmtext_append_normal_color(&fm, owl_filter_get_name(f), owl_filter_get_fgcolor(f), owl_filter_get_bgcolor(f));
2522    } else {
2523      owl_fmtext_append_normal(&fm, owl_filter_get_name(f));
2524    }
2525    owl_fmtext_append_normal(&fm, "\n");
2526  }
2527  owl_function_popless_fmtext(&fm);
2528  owl_fmtext_free(&fm);
2529}
2530
2531void owl_function_show_filter(char *name)
2532{
2533  owl_filter *f;
2534  char buff[5000];
2535
2536  f=owl_global_get_filter(&g, name);
2537  if (!f) {
2538    owl_function_error("There is no filter named %s", name);
2539    return;
2540  }
2541  owl_filter_print(f, buff);
2542  owl_function_popless_text(buff);
2543}
2544
2545void owl_function_show_zpunts()
2546{
2547  owl_filter *f;
2548  owl_list *fl;
2549  char buff[5000];
2550  owl_fmtext fm;
2551  int i, j;
2552
2553  owl_fmtext_init_null(&fm);
2554
2555  fl=owl_global_get_puntlist(&g);
2556  j=owl_list_get_size(fl);
2557  owl_fmtext_append_bold(&fm, "Active zpunt filters:\n");
2558
2559  for (i=0; i<j; i++) {
2560    f=owl_list_get_element(fl, i);
2561    snprintf(buff, sizeof(buff), "[% 2d] ", i+1);
2562    owl_fmtext_append_normal(&fm, buff);
2563    owl_filter_print(f, buff);
2564    owl_fmtext_append_normal(&fm, buff);
2565  }
2566  owl_function_popless_fmtext(&fm);
2567  owl_fmtext_free(&fm);
2568}
2569
2570/* Create a filter for a class, instance if one doesn't exist.  If
2571 * instance is NULL then catch all messgaes in the class.  Returns the
2572 * name of the filter, which the caller must free.
2573 */
2574char *owl_function_classinstfilt(char *c, char *i) 
2575{
2576  owl_list *fl;
2577  owl_filter *f;
2578  char *argbuff, *filtname;
2579  char *tmpclass, *tmpinstance = NULL;
2580  char *class, *instance = NULL;
2581  int len;
2582
2583  class = owl_util_baseclass(c);
2584  if(i) {
2585    instance = owl_util_baseclass(i);
2586  }
2587
2588  fl=owl_global_get_filterlist(&g);
2589
2590  /* name for the filter */
2591  len=strlen(class)+30;
2592  if (instance) len+=strlen(instance);
2593  filtname=owl_malloc(len);
2594  if (!instance) {
2595    sprintf(filtname, "class-%s", class);
2596  } else {
2597    sprintf(filtname, "class-%s-instance-%s", class, instance);
2598  }
2599  /* downcase it */
2600  downstr(filtname);
2601  /* turn spaces, single quotes, and double quotes into dots */
2602  owl_text_tr(filtname, ' ', '.');
2603  owl_text_tr(filtname, '\'', '.');
2604  owl_text_tr(filtname, '"', '.');
2605 
2606  /* if it already exists then go with it.  This lets users override */
2607  if (owl_global_get_filter(&g, filtname)) {
2608    return(filtname);
2609  }
2610
2611  /* create the new filter */
2612  tmpclass=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2613  owl_text_tr(tmpclass, ' ', '.');
2614  owl_text_tr(tmpclass, '\'', '.');
2615  owl_text_tr(tmpclass, '"', '.');
2616  if (instance) {
2617    tmpinstance=owl_text_quote(instance, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2618    owl_text_tr(tmpinstance, ' ', '.');
2619    owl_text_tr(tmpinstance, '\'', '.');
2620    owl_text_tr(tmpinstance, '"', '.');
2621  }
2622  len = strlen(tmpclass);
2623  if(tmpinstance) len += strlen(tmpinstance);
2624  len += 60;
2625  argbuff = owl_malloc(len);
2626  sprintf(argbuff, "class ^(un)*%s(\\.d)*$", tmpclass);
2627  if (tmpinstance) {
2628    sprintf(argbuff, "%s and ( instance ^(un)*%s(\\.d)*$ )", argbuff, tmpinstance);
2629  }
2630  owl_free(tmpclass);
2631  if (tmpinstance) owl_free(tmpinstance);
2632
2633  f=owl_malloc(sizeof(owl_filter));
2634  owl_filter_init_fromstring(f, filtname, argbuff);
2635
2636  /* add it to the global list */
2637  owl_global_add_filter(&g, f);
2638
2639  owl_free(argbuff);
2640  owl_free(class);
2641  if (instance) {
2642    owl_free(instance);
2643  }
2644  return(filtname);
2645}
2646
2647/* Create a filter for personal zephyrs to or from the specified
2648 * zephyr user.  Includes login/logout notifications for the user.
2649 * The name of the filter will be 'user-<user>'.  If a filter already
2650 * exists with this name, no new filter will be created.  This allows
2651 * the configuration to override this function.  Returns the name of
2652 * the filter, which the caller must free.
2653 */
2654char *owl_function_zuserfilt(char *user)
2655{
2656  owl_filter *f;
2657  char *argbuff, *longuser, *shortuser, *filtname;
2658
2659  /* stick the local realm on if it's not there */
2660  longuser=long_zuser(user);
2661  shortuser=short_zuser(user);
2662
2663  /* name for the filter */
2664  filtname=owl_malloc(strlen(shortuser)+20);
2665  sprintf(filtname, "user-%s", shortuser);
2666
2667  /* if it already exists then go with it.  This lets users override */
2668  if (owl_global_get_filter(&g, filtname)) {
2669    return(owl_strdup(filtname));
2670  }
2671
2672  /* create the new-internal filter */
2673  f=owl_malloc(sizeof(owl_filter));
2674
2675  argbuff=owl_malloc(strlen(longuser)+1000);
2676  sprintf(argbuff, "( type ^zephyr$ and filter personal and ");
2677  sprintf(argbuff, "%s ( ( direction ^in$ and sender ^%s$ ) or ( direction ^out$ and recipient ^%s$ ) ) )", argbuff, longuser, longuser);
2678  sprintf(argbuff, "%s or ( ( class ^login$ ) and ( sender ^%s$ ) )", argbuff, longuser);
2679
2680  owl_filter_init_fromstring(f, filtname, argbuff);
2681
2682  /* add it to the global list */
2683  owl_global_add_filter(&g, f);
2684
2685  /* free stuff */
2686  owl_free(argbuff);
2687  owl_free(longuser);
2688  owl_free(shortuser);
2689
2690  return(filtname);
2691}
2692
2693/* Create a filter for AIM IM messages to or from the specified
2694 * screenname.  The name of the filter will be 'aimuser-<user>'.  If a
2695 * filter already exists with this name, no new filter will be
2696 * created.  This allows the configuration to override this function.
2697 * Returns the name of the filter, which the caller must free.
2698 */
2699char *owl_function_aimuserfilt(char *user)
2700{
2701  owl_filter *f;
2702  char *argbuff, *filtname;
2703  char *escuser;
2704
2705  /* name for the filter */
2706  filtname=owl_malloc(strlen(user)+40);
2707  sprintf(filtname, "aimuser-%s", user);
2708
2709  /* if it already exists then go with it.  This lets users override */
2710  if (owl_global_get_filter(&g, filtname)) {
2711    return(owl_strdup(filtname));
2712  }
2713
2714  /* create the new-internal filter */
2715  f=owl_malloc(sizeof(owl_filter));
2716
2717  escuser = owl_text_quote(user, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
2718
2719  argbuff=owl_malloc(1000);
2720  sprintf(argbuff,
2721          "( type ^aim$ and ( ( sender ^%s$ and recipient ^%s$ ) or ( sender ^%s$ and recipient ^%s$ ) ) )",
2722          escuser, owl_global_get_aim_screenname(&g), owl_global_get_aim_screenname(&g), escuser);
2723
2724  owl_filter_init_fromstring(f, filtname, argbuff);
2725
2726  /* add it to the global list */
2727  owl_global_add_filter(&g, f);
2728
2729  /* free stuff */
2730  owl_free(argbuff);
2731  owl_free(escuser);
2732
2733  return(filtname);
2734}
2735
2736char *owl_function_typefilt(char *type)
2737{
2738  owl_filter *f;
2739  char *argbuff, *filtname;
2740
2741  /* name for the filter */
2742  filtname=owl_sprintf("type-%s", type);
2743
2744  /* if it already exists then go with it.  This lets users override */
2745  if (owl_global_get_filter(&g, filtname)) {
2746    return filtname;
2747  }
2748
2749  /* create the new-internal filter */
2750  f=owl_malloc(sizeof(owl_filter));
2751
2752  argbuff = owl_sprintf("type ^%s$", type);
2753
2754  owl_filter_init_fromstring(f, filtname, argbuff);
2755
2756  /* add it to the global list */
2757  owl_global_add_filter(&g, f);
2758
2759  /* free stuff */
2760  owl_free(argbuff);
2761
2762  return filtname;
2763}
2764
2765/* If flag is 1, marks for deletion.  If flag is 0,
2766 * unmarks for deletion. */
2767void owl_function_delete_curview_msgs(int flag)
2768{
2769  owl_view *v;
2770  int i, j;
2771
2772  v=owl_global_get_current_view(&g);
2773  j=owl_view_get_size(v);
2774  for (i=0; i<j; i++) {
2775    if (flag == 1) {
2776      owl_message_mark_delete(owl_view_get_element(v, i));
2777    } else if (flag == 0) {
2778      owl_message_unmark_delete(owl_view_get_element(v, i));
2779    }
2780  }
2781
2782  owl_function_makemsg("%i messages marked for %sdeletion", j, flag?"":"un");
2783
2784  owl_mainwin_redisplay(owl_global_get_mainwin(&g)); 
2785}
2786
2787/* Create a filter based on the current message.  Returns the name of
2788 * a filter or null.  The caller must free this name.
2789 *
2790 * if the curmsg is a personal zephyr return a filter name
2791 *    to the zephyr converstaion with that user.
2792 * If the curmsg is a zephyr class message, instance foo, recip *,
2793 *    return a filter name to the class, inst.
2794 * If the curmsg is a zephyr class message and type==0 then
2795 *    return a filter name for just the class.
2796 * If the curmsg is a zephyr class message and type==1 then
2797 *    return a filter name for the class and instance.
2798 * If the curmsg is a personal AIM message returna  filter
2799 *    name to the AIM conversation with that user
2800 */
2801char *owl_function_smartfilter(int type)
2802{
2803  owl_view *v;
2804  owl_message *m;
2805  char *zperson, *filtname=NULL;
2806  char *argv[1];
2807 
2808  v=owl_global_get_current_view(&g);
2809  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2810
2811  if (!m || owl_view_get_size(v)==0) {
2812    owl_function_error("No message selected\n");
2813    return(NULL);
2814  }
2815
2816  /* very simple handling of admin messages for now */
2817  if (owl_message_is_type_admin(m)) {
2818    return(owl_function_typefilt("admin"));
2819  }
2820
2821  /* very simple handling of loopback messages for now */
2822  if (owl_message_is_type_loopback(m)) {
2823    return(owl_function_typefilt("loopback"));
2824  }
2825
2826  /* aim messages */
2827  if (owl_message_is_type_aim(m)) {
2828    if (owl_message_is_direction_in(m)) {
2829      filtname=owl_function_aimuserfilt(owl_message_get_sender(m));
2830    } else if (owl_message_is_direction_out(m)) {
2831      filtname=owl_function_aimuserfilt(owl_message_get_recipient(m));
2832    }
2833    return(filtname);
2834  }
2835
2836  /* narrow personal and login messages to the sender or recip as appropriate */
2837  if (owl_message_is_type_zephyr(m)) {
2838    if (owl_message_is_personal(m) || owl_message_is_loginout(m)) {
2839      if (owl_message_is_direction_in(m)) {
2840        zperson=short_zuser(owl_message_get_sender(m));
2841      } else {
2842        zperson=short_zuser(owl_message_get_recipient(m));
2843      }
2844      filtname=owl_function_zuserfilt(zperson);
2845      owl_free(zperson);
2846      return(filtname);
2847    }
2848
2849    /* narrow class MESSAGE, instance foo, recip * messages to class, inst */
2850    if (!strcasecmp(owl_message_get_class(m), "message")) {
2851      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2852      return(filtname);
2853    }
2854
2855    /* otherwise narrow to the class */
2856    if (type==0) {
2857      filtname=owl_function_classinstfilt(owl_message_get_class(m), NULL);
2858    } else if (type==1) {
2859      filtname=owl_function_classinstfilt(owl_message_get_class(m), owl_message_get_instance(m));
2860    }
2861    return(filtname);
2862  }
2863
2864  /* pass it off to perl */
2865  if(type) {
2866    argv[0] = "-i";
2867  };
2868  return owl_perlconfig_message_call_method(m, "smartfilter", type ? 1 : 0, argv);
2869}
2870
2871void owl_function_smartzpunt(int type)
2872{
2873  /* Starts a zpunt command based on the current class,instance pair.
2874   * If type=0, uses just class.  If type=1, uses instance as well. */
2875  owl_view *v;
2876  owl_message *m;
2877  char *cmd, *cmdprefix, *mclass, *minst;
2878 
2879  v=owl_global_get_current_view(&g);
2880  m=owl_view_get_element(v, owl_global_get_curmsg(&g));
2881
2882  if (!m || owl_view_get_size(v)==0) {
2883    owl_function_error("No message selected\n");
2884    return;
2885  }
2886
2887  /* for now we skip admin messages. */
2888  if (owl_message_is_type_admin(m)
2889      || owl_message_is_loginout(m)
2890      || !owl_message_is_type_zephyr(m)) {
2891    owl_function_error("smartzpunt doesn't support this message type.");
2892    return;
2893  }
2894
2895  mclass = owl_message_get_class(m);
2896  minst = owl_message_get_instance(m);
2897  if (!mclass || !*mclass || *mclass==' '
2898      || (!strcasecmp(mclass, "message") && !strcasecmp(minst, "personal"))
2899      || (type && (!minst || !*minst|| *minst==' '))) {
2900    owl_function_error("smartzpunt can't safely do this for <%s,%s>",
2901                         mclass, minst);
2902  } else {
2903    cmdprefix = "start-command zpunt ";
2904    cmd = owl_malloc(strlen(cmdprefix)+strlen(mclass)+strlen(minst)+10);
2905    strcpy(cmd, cmdprefix);
2906    strcat(cmd, owl_getquoting(mclass));
2907    strcat(cmd, mclass);
2908    strcat(cmd, owl_getquoting(mclass));
2909    if (type) {
2910      strcat(cmd, " ");
2911      strcat(cmd, owl_getquoting(minst));
2912      strcat(cmd, minst);
2913      strcat(cmd, owl_getquoting(minst));
2914    } else {
2915      strcat(cmd, " *");
2916    }
2917    owl_function_command(cmd);
2918    owl_free(cmd);
2919  }
2920}
2921
2922/* Set the color of the current view's filter to
2923 * be 'color'
2924 */
2925void owl_function_color_current_filter(char *fgcolor, char *bgcolor)
2926{
2927  char *name;
2928
2929  name=owl_view_get_filtname(owl_global_get_current_view(&g));
2930  owl_function_color_filter(name, fgcolor, bgcolor);
2931}
2932
2933/* Set the color of the filter 'filter' to be 'color'.  If the color
2934 * name does not exist, return -1, if the filter does not exist or is
2935 * the "all" filter, return -2.  Return 0 on success
2936 */
2937int owl_function_color_filter(char *filtname, char *fgcolor, char *bgcolor)
2938{
2939  owl_filter *f;
2940
2941  f=owl_global_get_filter(&g, filtname);
2942  if (!f) {
2943    owl_function_error("Unknown filter");
2944    return(-2);
2945  }
2946
2947  /* don't touch the all filter */
2948  if (!strcmp(filtname, "all")) {
2949    owl_function_error("You may not change the 'all' filter.");
2950    return(-2);
2951  }
2952
2953  if (owl_util_string_to_color(fgcolor)==-1) {
2954    owl_function_error("No color named '%s' avilable.", fgcolor);
2955    return(-1);
2956  }
2957
2958
2959  if (bgcolor != NULL) {
2960    if (owl_util_string_to_color(bgcolor)==-1) {
2961      owl_function_error("No color named '%s' avilable.", bgcolor);
2962      return(-1);
2963    }
2964    owl_filter_set_bgcolor(f, owl_util_string_to_color(bgcolor));
2965  }
2966  owl_filter_set_fgcolor(f, owl_util_string_to_color(fgcolor));
2967 
2968  owl_global_set_needrefresh(&g);
2969  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
2970  return(0);
2971}
2972
2973void owl_function_show_colors()
2974{
2975  owl_fmtext fm;
2976  int i; 
2977 
2978  owl_fmtext_init_null(&fm);
2979  owl_fmtext_append_normal(&fm, "default: ");
2980  owl_fmtext_append_normal_color(&fm, "default\n", OWL_COLOR_DEFAULT, OWL_COLOR_DEFAULT);
2981
2982  owl_fmtext_append_normal(&fm,"red:      ");
2983  owl_fmtext_append_normal_color(&fm, "red\n", OWL_COLOR_RED, OWL_COLOR_DEFAULT);
2984
2985  owl_fmtext_append_normal(&fm,"green:    ");
2986  owl_fmtext_append_normal_color(&fm, "green\n", OWL_COLOR_GREEN, OWL_COLOR_DEFAULT);
2987
2988  owl_fmtext_append_normal(&fm,"yellow:   ");
2989  owl_fmtext_append_normal_color(&fm, "yellow\n", OWL_COLOR_YELLOW, OWL_COLOR_DEFAULT);
2990
2991  owl_fmtext_append_normal(&fm,"blue:     ");
2992  owl_fmtext_append_normal_color(&fm, "blue\n", OWL_COLOR_BLUE, OWL_COLOR_DEFAULT);
2993
2994  owl_fmtext_append_normal(&fm,"magenta:  ");
2995  owl_fmtext_append_normal_color(&fm, "magenta\n", OWL_COLOR_MAGENTA, OWL_COLOR_DEFAULT);
2996
2997  owl_fmtext_append_normal(&fm,"cyan:     ");
2998  owl_fmtext_append_normal_color(&fm, "cyan\n", OWL_COLOR_CYAN, OWL_COLOR_DEFAULT);
2999
3000  owl_fmtext_append_normal(&fm,"white:    ");
3001  owl_fmtext_append_normal_color(&fm, "white\n", OWL_COLOR_WHITE, OWL_COLOR_DEFAULT);
3002
3003  for(i = 8; i < COLORS; ++i) {
3004    char* str1 = owl_sprintf("%4i:     ",i);
3005    char* str2 = owl_sprintf("%i\n",i);
3006    owl_fmtext_append_normal(&fm,str1);
3007    owl_fmtext_append_normal_color(&fm, str2, i, OWL_COLOR_DEFAULT);
3008    owl_free(str1);
3009     owl_free(str2);
3010  }
3011 
3012  owl_function_popless_fmtext(&fm);
3013  owl_fmtext_free(&fm);
3014}
3015
3016/* add the given class, inst, recip to the punt list for filtering.
3017 *   if direction==0 then punt
3018 *   if direction==1 then unpunt
3019 */
3020void owl_function_zpunt(char *class, char *inst, char *recip, int direction)
3021{
3022  char *buff;
3023  char *quoted;
3024
3025  buff=owl_malloc(strlen(class)+strlen(inst)+strlen(recip)+100);
3026  strcpy(buff, "class");
3027  if (!strcmp(class, "*")) {
3028    strcat(buff, " .*");
3029  } else {
3030    quoted=owl_text_quote(class, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3031    owl_text_tr(quoted, ' ', '.');
3032    owl_text_tr(quoted, '\'', '.');
3033    owl_text_tr(quoted, '"', '.');
3034    sprintf(buff, "%s ^(un)*%s(\\.d)*$", buff, quoted);
3035    owl_free(quoted);
3036  }
3037  if (!strcmp(inst, "*")) {
3038    strcat(buff, " and instance .*");
3039  } else {
3040    quoted=owl_text_quote(inst, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3041    owl_text_tr(quoted, ' ', '.');
3042    owl_text_tr(quoted, '\'', '.');
3043    owl_text_tr(quoted, '"', '.');
3044    sprintf(buff, "%s and instance ^(un)*%s(\\.d)*$", buff, quoted);
3045    owl_free(quoted);
3046  }
3047  if (strcmp(recip, "*")) {
3048    quoted=owl_text_quote(recip, OWL_REGEX_QUOTECHARS, OWL_REGEX_QUOTEWITH);
3049    owl_text_tr(quoted, ' ', '.');
3050    owl_text_tr(quoted, '\'', '.');
3051    owl_text_tr(quoted, '"', '.');
3052    sprintf(buff, "%s and recipient ^%s$", buff, quoted);
3053    owl_free(quoted);
3054  }
3055
3056  owl_function_punt(buff, direction);
3057  owl_free(buff);
3058}
3059
3060void owl_function_punt(char *filter, int direction)
3061{
3062  owl_filter *f;
3063  owl_list *fl;
3064  int ret, i, j;
3065  fl=owl_global_get_puntlist(&g);
3066
3067  /* first, create the filter */
3068  f=malloc(sizeof(owl_filter));
3069
3070  owl_function_debugmsg("About to filter %s", filter);
3071  ret=owl_filter_init_fromstring(f, "punt-filter", filter);
3072  if (ret) {
3073    owl_function_error("Error creating filter for zpunt");
3074    owl_filter_free(f);
3075    return;
3076  }
3077
3078  /* Check for an identical filter */
3079  j=owl_list_get_size(fl);
3080  for (i=0; i<j; i++) {
3081    if (owl_filter_equiv(f, owl_list_get_element(fl, i))) {
3082      owl_function_debugmsg("found an equivalent punt filter");
3083      /* if we're punting, then just silently bow out on this duplicate */
3084      if (direction==0) {
3085        owl_filter_free(f);
3086        return;
3087      }
3088
3089      /* if we're unpunting, then remove this filter from the puntlist */
3090      if (direction==1) {
3091        owl_filter_free(owl_list_get_element(fl, i));
3092        owl_list_remove_element(fl, i);
3093        owl_filter_free(f);
3094        return;
3095      }
3096    }
3097  }
3098
3099  owl_function_debugmsg("punting");
3100  /* If we're punting, add the filter to the global punt list */
3101  if (direction==0) {
3102    owl_list_append_element(fl, f);
3103  }
3104}
3105
3106void owl_function_activate_keymap(char *keymap)
3107{
3108  if (!owl_keyhandler_activate(owl_global_get_keyhandler(&g), keymap)) {
3109    owl_function_error("Unable to activate keymap '%s'", keymap);
3110  }
3111}
3112
3113void owl_function_show_keymaps()
3114{
3115  owl_list l;
3116  owl_fmtext fm;
3117  owl_keymap *km;
3118  owl_keyhandler *kh;
3119  int i, numkm;
3120  char *kmname;
3121
3122  kh = owl_global_get_keyhandler(&g);
3123  owl_fmtext_init_null(&fm);
3124  owl_fmtext_append_bold(&fm, "Keymaps:   ");
3125  owl_fmtext_append_normal(&fm, "(use 'show keymap <name>' for details)\n");
3126  owl_keyhandler_get_keymap_names(kh, &l);
3127  owl_fmtext_append_list(&fm, &l, "\n", owl_function_keymap_summary);
3128  owl_fmtext_append_normal(&fm, "\n");
3129
3130  numkm = owl_list_get_size(&l);
3131  for (i=0; i<numkm; i++) {
3132    kmname = owl_list_get_element(&l, i);
3133    km = owl_keyhandler_get_keymap(kh, kmname);
3134    owl_fmtext_append_bold(&fm, "\n\n----------------------------------------------------------------------------------------------------\n\n");
3135    owl_keymap_get_details(km, &fm);   
3136  }
3137  owl_fmtext_append_normal(&fm, "\n");
3138 
3139  owl_function_popless_fmtext(&fm);
3140  owl_keyhandler_keymap_namelist_free(&l);
3141  owl_fmtext_free(&fm);
3142}
3143
3144char *owl_function_keymap_summary(void *name)
3145{
3146  owl_keymap *km
3147    = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3148  if (km) return owl_keymap_summary(km);
3149  else return(NULL);
3150}
3151
3152/* TODO: implement for real */
3153void owl_function_show_keymap(char *name)
3154{
3155  owl_fmtext fm;
3156  owl_keymap *km;
3157
3158  owl_fmtext_init_null(&fm);
3159  km = owl_keyhandler_get_keymap(owl_global_get_keyhandler(&g), name);
3160  if (km) {
3161    owl_keymap_get_details(km, &fm);
3162  } else {
3163    owl_fmtext_append_normal(&fm, "No such keymap...\n");
3164  } 
3165  owl_function_popless_fmtext(&fm);
3166  owl_fmtext_free(&fm);
3167}
3168
3169void owl_function_help_for_command(char *cmdname)
3170{
3171  owl_fmtext fm;
3172
3173  owl_fmtext_init_null(&fm);
3174  owl_cmd_get_help(owl_global_get_cmddict(&g), cmdname, &fm);
3175  owl_function_popless_fmtext(&fm); 
3176  owl_fmtext_free(&fm);
3177}
3178
3179void owl_function_search_start(char *string, int direction)
3180{
3181  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3182  owl_global_set_search_active(&g, string);
3183  owl_function_search_helper(0, direction);
3184}
3185
3186void owl_function_search_continue(int direction)
3187{
3188  /* direction is OWL_DIRECTION_DOWNWARDS or OWL_DIRECTION_UPWARDS */
3189  owl_function_search_helper(1, direction);
3190}
3191
3192void owl_function_search_helper(int mode, int direction)
3193{
3194  /* move to a message that contains the string.  If direction is
3195   * OWL_DIRECTION_DOWNWARDS then search fowards, if direction is
3196   * OWL_DIRECTION_UPWARDS then search backwards.
3197   *
3198   * If mode==0 then it will stay on the current message if it
3199   * contains the string.
3200   */
3201
3202  owl_view *v;
3203  int viewsize, i, curmsg, start;
3204  owl_message *m;
3205
3206  v=owl_global_get_current_view(&g);
3207  viewsize=owl_view_get_size(v);
3208  curmsg=owl_global_get_curmsg(&g);
3209 
3210  if (viewsize==0) {
3211    owl_function_error("No messages present");
3212    return;
3213  }
3214
3215  if (mode==0) {
3216    start=curmsg;
3217  } else if (direction==OWL_DIRECTION_DOWNWARDS) {
3218    start=curmsg+1;
3219  } else {
3220    start=curmsg-1;
3221  }
3222
3223  /* bounds check */
3224  if (start>=viewsize || start<0) {
3225    owl_function_error("No further matches found");
3226    return;
3227  }
3228
3229  for (i=start; i<viewsize && i>=0;) {
3230    m=owl_view_get_element(v, i);
3231    if (owl_message_search(m, owl_global_get_search_string(&g))) {
3232      owl_global_set_curmsg(&g, i);
3233      owl_function_calculate_topmsg(direction);
3234      owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3235      if (direction==OWL_DIRECTION_DOWNWARDS) {
3236        owl_global_set_direction_downwards(&g);
3237      } else {
3238        owl_global_set_direction_upwards(&g);
3239      }
3240      return;
3241    }
3242    if (direction==OWL_DIRECTION_DOWNWARDS) {
3243      i++;
3244    } else {
3245      i--;
3246    }
3247  }
3248  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3249  owl_function_error("No matches found");
3250}
3251
3252/* strips formatting from ztext and returns the unformatted text.
3253 * caller is responsible for freeing. */
3254char *owl_function_ztext_stylestrip(char *zt)
3255{
3256  owl_fmtext fm;
3257  char *plaintext;
3258
3259  owl_fmtext_init_null(&fm);
3260  owl_fmtext_append_ztext(&fm, zt);
3261  plaintext = owl_fmtext_print_plain(&fm);
3262  owl_fmtext_free(&fm);
3263  return(plaintext);
3264}
3265
3266/* Popup a buddylisting.  If filename is NULL use the default .anyone */
3267void owl_function_buddylist(int aim, int zephyr, char *filename)
3268{
3269  int i, j, x, idle;
3270  owl_fmtext fm;
3271  owl_buddylist *bl;
3272  owl_buddy *b;
3273  owl_list anyone;
3274  char *foo, *timestr;
3275#ifdef HAVE_LIBZEPHYR
3276  char *tmp, *user, *line;
3277  ZLocations_t location[200];
3278  int numlocs, ret;
3279#endif
3280
3281  owl_fmtext_init_null(&fm);
3282
3283  /* AIM first */
3284  if (aim && owl_global_is_aimloggedin(&g)) {
3285    bl=owl_global_get_buddylist(&g);
3286
3287    owl_fmtext_append_bold(&fm, "AIM users logged in:\n");
3288    /* we're assuming AIM for now */
3289    j=owl_buddylist_get_size(bl);
3290    for (i=0; i<j; i++) {
3291      b=owl_buddylist_get_buddy_n(bl, i);
3292      idle=owl_buddy_get_idle_time(b);
3293      if (idle!=0) {
3294        timestr=owl_util_minutes_to_timestr(idle);
3295      } else {
3296        timestr=owl_strdup("");
3297      }
3298      foo=owl_sprintf("  %-20.20s %-12.12s\n", owl_buddy_get_name(b), timestr);
3299      owl_fmtext_append_normal(&fm, foo);
3300      owl_free(timestr);
3301      owl_free(foo);
3302    }
3303  }
3304
3305#ifdef HAVE_LIBZEPHYR
3306  if (zephyr) {
3307    if(!owl_global_is_havezephyr(&g)) {
3308      owl_function_error("Zephyr currently not available.");
3309    } else {
3310      owl_fmtext_append_bold(&fm, "Zephyr users logged in:\n");
3311      owl_list_create(&anyone);
3312      ret=owl_zephyr_get_anyone_list(&anyone, filename);
3313      if (ret) {
3314        owl_fmtext_append_normal(&fm, "  Error opening file for zephyr buddies.\n");
3315      } else {
3316        j=owl_list_get_size(&anyone);
3317        for (i=0; i<j; i++) {
3318          user=owl_list_get_element(&anyone, i);
3319          ret=ZLocateUser(user, &numlocs, ZAUTH);
3320          if (ret!=ZERR_NONE) {
3321            owl_function_error("Error getting location for %s", user);
3322            continue;
3323          }
3324
3325          numlocs=200;
3326          ret=ZGetLocations(location, &numlocs);
3327          if (ret==0) {
3328            for (x=0; x<numlocs; x++) {
3329              line=owl_malloc(strlen(location[x].host)+strlen(location[x].time)+strlen(location[x].tty)+100);
3330              tmp=short_zuser(user);
3331              sprintf(line, "  %-10.10s %-24.24s %-12.12s  %20.20s\n",
3332                      tmp,
3333                      location[x].host,
3334                      location[x].tty,
3335                      location[x].time);
3336              owl_fmtext_append_normal(&fm, line);
3337              owl_free(tmp);
3338              owl_free(line);
3339            }
3340            if (numlocs>=200) {
3341              owl_fmtext_append_normal(&fm, "  Too many locations found for this user, truncating.\n");
3342            }
3343          }
3344        }
3345      }
3346      owl_list_free_all(&anyone, owl_free);
3347    } 
3348  }
3349#endif
3350
3351  if(aim && zephyr) {
3352      if(owl_perlconfig_is_function("BarnOwl::Hooks::_get_blist")) {
3353          char * perlblist = owl_perlconfig_execute("BarnOwl::Hooks::_get_blist()");
3354          if(perlblist) {
3355              owl_fmtext_append_ztext(&fm, perlblist);
3356              owl_free(perlblist);
3357          }
3358      }
3359  }
3360 
3361  owl_function_popless_fmtext(&fm);
3362  owl_fmtext_free(&fm);
3363}
3364
3365/* Dump messages in the current view to the file 'filename'. */
3366void owl_function_dump(char *filename) 
3367{
3368  int i, j, count;
3369  owl_message *m;
3370  owl_view *v;
3371  FILE *file;
3372
3373  v=owl_global_get_current_view(&g);
3374
3375  /* in the future make it ask yes/no */
3376  /*
3377  ret=stat(filename, &sbuf);
3378  if (!ret) {
3379    ret=owl_function_askyesno("File exists, continue? [Y/n]");
3380    if (!ret) return;
3381  }
3382  */
3383
3384  file=fopen(filename, "w");
3385  if (!file) {
3386    owl_function_error("Error opening file");
3387    return;
3388  }
3389
3390  count=0;
3391  j=owl_view_get_size(v);
3392  for (i=0; i<j; i++) {
3393    m=owl_view_get_element(v, i);
3394    fputs(owl_message_get_text(m), file);
3395  }
3396  fclose(file);
3397  owl_function_makemsg("Messages dumped to %s", filename);
3398}
3399
3400void owl_function_do_newmsgproc(void)
3401{
3402  if (owl_global_get_newmsgproc(&g) && strcmp(owl_global_get_newmsgproc(&g), "")) {
3403    /* if there's a process out there, we need to check on it */
3404    if (owl_global_get_newmsgproc_pid(&g)) {
3405      owl_function_debugmsg("Checking on newmsgproc pid==%i", owl_global_get_newmsgproc_pid(&g));
3406      owl_function_debugmsg("Waitpid return is %i", waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG));
3407      waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG);
3408      if (waitpid(owl_global_get_newmsgproc_pid(&g), NULL, WNOHANG)==-1) {
3409        /* it exited */
3410        owl_global_set_newmsgproc_pid(&g, 0);
3411        owl_function_debugmsg("newmsgproc exited");
3412      } else {
3413        owl_function_debugmsg("newmsgproc did not exit");
3414      }
3415    }
3416   
3417    /* if it exited, fork & exec a new one */
3418    if (owl_global_get_newmsgproc_pid(&g)==0) {
3419      int i, myargc;
3420      i=fork();
3421      if (i) {
3422        /* parent set the child's pid */
3423        owl_global_set_newmsgproc_pid(&g, i);
3424        owl_function_debugmsg("I'm the parent and I started a new newmsgproc with pid %i", i);
3425      } else {
3426        /* child exec's the program */
3427        char **parsed;
3428        parsed=owl_parseline(owl_global_get_newmsgproc(&g), &myargc);
3429        if (myargc < 0) {
3430          owl_function_debugmsg("Could not parse newmsgproc '%s': unbalanced quotes?", owl_global_get_newmsgproc(&g));
3431        }
3432        if (myargc <= 0) {
3433          _exit(127);
3434        }
3435        parsed=owl_realloc(parsed, sizeof(*parsed) * (myargc+1));
3436        parsed[myargc] = NULL;
3437       
3438        owl_function_debugmsg("About to exec \"%s\" with %d arguments", parsed[0], myargc);
3439       
3440        execvp(parsed[0], parsed);
3441       
3442       
3443        /* was there an error exec'ing? */
3444        owl_function_debugmsg("Cannot run newmsgproc '%s': cannot exec '%s': %s", 
3445                              owl_global_get_newmsgproc(&g), parsed[0], strerror(errno));
3446        _exit(127);
3447      }
3448    }
3449  }
3450}
3451
3452/* print the xterm escape sequence to raise the window */
3453void owl_function_xterm_raise(void)
3454{
3455  printf("\033[5t");
3456}
3457
3458/* print the xterm escape sequence to deiconify the window */
3459void owl_function_xterm_deiconify(void)
3460{
3461  printf("\033[1t");
3462}
3463
3464/* Add the specified command to the startup file.  Eventually this
3465 * should be clever, and rewriting settings that will obviosly
3466 * override earlier settings with 'set' 'bindkey' and 'alias'
3467 * commands.  For now though we just remove any line that would
3468 * duplicate this one and then append this line to the end of
3469 * startupfile.
3470 */
3471void owl_function_addstartup(char *buff)
3472{
3473  FILE *file;
3474  char *filename;
3475
3476  filename=owl_global_get_startupfile(&g);
3477  file=fopen(filename, "a");
3478  if (!file) {
3479    owl_function_error("Error opening startupfile for new command");
3480    return;
3481  }
3482
3483  /* delete earlier copies */
3484  owl_util_file_deleteline(filename, buff, 1);
3485
3486  /* add this line */
3487  fprintf(file, "%s\n", buff);
3488
3489  fclose(file);
3490}
3491
3492/* Remove the specified command from the startup file. */
3493void owl_function_delstartup(char *buff)
3494{
3495  char *filename;
3496  filename=owl_global_get_startupfile(&g);
3497  owl_util_file_deleteline(filename, buff, 1);
3498}
3499
3500/* Execute owl commands from the given filename.  If the filename
3501 * is NULL, use the default owl startup commands file.
3502 */
3503void owl_function_source(char *filename)
3504{
3505  FILE *file;
3506  char buff[LINE];
3507
3508  if (!filename) {
3509    filename=owl_global_get_startupfile(&g);
3510    file=fopen(filename, "r");
3511  } else {
3512    file=fopen(filename, "r");
3513  }
3514  if (!file) {
3515    /* just fail silently if it doesn't exist */
3516    return;
3517  }
3518  while (fgets(buff, LINE, file)!=NULL) {
3519    if (buff[0] == '#') continue;
3520    buff[strlen(buff)-1]='\0';
3521    owl_function_command(buff);
3522  }
3523  fclose(file);
3524}
3525
3526void owl_function_change_style(owl_view *v, char *stylename)
3527{
3528  owl_style *s;
3529
3530  s=owl_global_get_style_by_name(&g, stylename);
3531  if (!s) {
3532    owl_function_error("No style named %s", stylename);
3533    return;
3534  }
3535  owl_view_set_style(v, s);
3536  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3537  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3538  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3539}
3540
3541void owl_function_toggleoneline()
3542{
3543  owl_view *v;
3544  owl_style *s;
3545
3546  v=owl_global_get_current_view(&g);
3547  s=owl_view_get_style(v);
3548
3549  if (!owl_style_matches_name(s, "oneline")) {
3550    owl_function_change_style(v, "oneline");
3551  } else {
3552    owl_function_change_style(v, owl_global_get_default_style(&g));
3553  }
3554
3555  owl_messagelist_invalidate_formats(owl_global_get_msglist(&g));
3556  owl_function_calculate_topmsg(OWL_DIRECTION_DOWNWARDS);
3557  owl_mainwin_redisplay(owl_global_get_mainwin(&g));
3558}
3559
3560void owl_function_error(char *fmt, ...)
3561{
3562  va_list ap;
3563  char buff[2048], buff2[2048];
3564  char *date;
3565  time_t now;
3566
3567  now=time(NULL);
3568  date=owl_strdup(ctime(&now));
3569  date[strlen(date)-1]='\0';
3570
3571  va_start(ap, fmt);
3572
3573  vsnprintf(buff, 2048, fmt, ap);
3574  sprintf(buff2, "%s %s", date, buff);
3575  owl_function_debugmsg("ERROR: %s", buff);
3576  if (owl_global_get_curs_msgwin(&g)) {
3577    werase(owl_global_get_curs_msgwin(&g));
3578    waddstr(owl_global_get_curs_msgwin(&g), buff); 
3579    wnoutrefresh(owl_global_get_curs_msgwin(&g));
3580    owl_global_set_needrefresh(&g);
3581  }
3582  owl_errqueue_append_err(owl_global_get_errqueue(&g), buff2);
3583  va_end(ap);
3584  owl_free(date);
3585}
3586
3587void owl_function_showerrs()
3588{
3589  owl_fmtext fm;
3590
3591  owl_fmtext_init_null(&fm);
3592  owl_fmtext_append_normal(&fm, "Errors:\n\n");
3593  owl_errqueue_to_fmtext(owl_global_get_errqueue(&g), &fm);
3594  owl_function_popless_fmtext(&fm);
3595}
3596
3597void owl_function_makemsg(char *fmt, ...)
3598{
3599  va_list ap;
3600  char buff[2048];
3601
3602  if (!owl_global_get_curs_msgwin(&g)) return;
3603
3604  va_start(ap, fmt);
3605  werase(owl_global_get_curs_msgwin(&g));
3606 
3607  vsnprintf(buff, 2048, fmt, ap);
3608  owl_function_debugmsg("makemsg: %s", buff);
3609  waddstr(owl_global_get_curs_msgwin(&g), buff); 
3610  wnoutrefresh(owl_global_get_curs_msgwin(&g));
3611  owl_global_set_needrefresh(&g);
3612  va_end(ap);
3613}
3614
3615/* get locations for everyone in .anyone.  If 'notify' is '1' then
3616 * send a pseudo login or logout message for everyone not in sync with
3617 * the global zephyr buddy list.  The list is updated regardless of
3618 * the status of 'notify'.
3619 */
3620void owl_function_zephyr_buddy_check(int notify)
3621{
3622#ifdef HAVE_LIBZEPHYR
3623  int i, j;
3624  owl_list anyone;
3625  owl_message *m;
3626  owl_zbuddylist *zbl;
3627  char *user;
3628  ZLocations_t location[200];
3629  int numlocs, ret;
3630
3631  zbl=owl_global_get_zephyr_buddylist(&g);
3632
3633  owl_list_create(&anyone);
3634  ret=owl_zephyr_get_anyone_list(&anyone, NULL);
3635
3636  j=owl_list_get_size(&anyone);
3637  for (i=0; i<j; i++) {
3638    user=owl_list_get_element(&anyone, i);
3639    ret=ZLocateUser(user, &numlocs, ZAUTH);
3640    if (ret!=ZERR_NONE) {
3641      owl_function_error("Error getting location for %s", user);
3642      continue;
3643    }
3644    numlocs=200;
3645    ret=ZGetLocations(location, &numlocs);
3646    if (ret==0) {
3647      if ((numlocs>0) && !owl_zbuddylist_contains_user(zbl, user)) {
3648        /* Send a PSEUDO LOGIN! */
3649        if (notify) {
3650          m=owl_malloc(sizeof(owl_message));
3651          owl_message_create_pseudo_zlogin(m, 0, user, location[0].host, location[0].time, location[0].tty);
3652          owl_global_messagequeue_addmsg(&g, m);
3653        }
3654        owl_zbuddylist_adduser(zbl, user);
3655        owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", user);
3656      } else if ((numlocs==0) && owl_zbuddylist_contains_user(zbl, user)) {
3657        /* I don't think this ever happens (if there are 0 locations we should get an error from
3658         * ZGetLocations)
3659         */
3660        owl_function_error("owl_function_zephyr_buddy_check: exceptional case logout for %s ",user);
3661      }
3662    } else if ((ret==ZERR_NOLOCATIONS) && owl_zbuddylist_contains_user(zbl, user)) {
3663      /* Send a PSEUDO LOGOUT! */
3664      if (notify) {
3665        m=owl_malloc(sizeof(owl_message));
3666        owl_message_create_pseudo_zlogin(m, 1, user, "", "", "");
3667        owl_global_messagequeue_addmsg(&g, m);
3668      }
3669      owl_zbuddylist_deluser(zbl, user);
3670      owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ",user);
3671    }
3672  }
3673
3674  owl_list_free_all(&anyone, owl_free);
3675#endif
3676}
3677
3678void owl_function_aimsearch_results(char *email, owl_list *namelist)
3679{
3680  owl_fmtext fm;
3681  int i, j;
3682
3683  owl_fmtext_init_null(&fm);
3684  owl_fmtext_append_normal(&fm, "AIM screennames associated with ");
3685  owl_fmtext_append_normal(&fm, email);
3686  owl_fmtext_append_normal(&fm, ":\n");
3687
3688  j=owl_list_get_size(namelist);
3689  for (i=0; i<j; i++) {
3690    owl_fmtext_append_normal(&fm, "  ");
3691    owl_fmtext_append_normal(&fm, owl_list_get_element(namelist, i));
3692    owl_fmtext_append_normal(&fm, "\n");
3693  }
3694
3695  owl_function_popless_fmtext(&fm);
3696  owl_fmtext_free(&fm);
3697}
3698
3699int owl_function_get_color_count()
3700{
3701     return COLORS;
3702}
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