source: owl.c @ 73faa26

release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 73faa26 was 26255f0, checked in by Alejandro R. Sedeño <asedeno@mit.edu>, 12 years ago
Add a message processing pre-select action.
  • Property mode set to 100644
File size: 21.3 KB
RevLine 
[23e1110]1/*  Copyright (c) 2006-2009 The BarnOwl Developers. All rights reserved.
[81001c0]2 *  Copyright (c) 2004 James Kretchmar. All rights reserved.
[7d4fbcd]3 *
[81001c0]4 *  This program is free software. You can redistribute it and/or
5 *  modify under the terms of the Sleepycat License. See the COPYING
6 *  file included with the distribution for more information.
[7d4fbcd]7 */
8
9#include <stdio.h>
10#include <unistd.h>
[f350fc3]11#include <getopt.h>
[7d4fbcd]12#include <stdlib.h>
13#include <string.h>
14#include <signal.h>
[5145235]15#include <time.h>
[7d4fbcd]16#include <sys/param.h>
[700c712]17#include <sys/types.h>
[9c7a701]18#include <sys/time.h>
[8232149]19#include <termios.h>
[38cf544c]20#include <sys/stat.h>
[34509d5]21#include <locale.h>
[7d4fbcd]22#include "owl.h"
23
[e8c6d8f]24
[2a2bb60]25#if OWL_STDERR_REDIR
[e8b95f8]26#ifdef HAVE_SYS_IOCTL_H
[2a2bb60]27#include <sys/ioctl.h>
[e8b95f8]28#endif
29#ifdef HAVE_SYS_FILIO_H
30#include <sys/filio.h>
31#endif
[2a2bb60]32int stderr_replace(void);
33#endif
34
[9c7a701]35#define STDIN 0
36
[b2b0773]37owl_global g;
38
[4e4847c]39typedef struct _owl_options {
[799f36c]40  bool load_initial_subs;
41  char *configfile;
42  char *tty;
43  char *confdir;
44  bool debug;
45  bool rm_debug;
46} owl_options;
47
[c79a047]48void usage(void)
[4e4847c]49{
50  fprintf(stderr, "Barnowl version %s\n", OWL_VERSION_STRING);
51  fprintf(stderr, "Usage: barnowl [-n] [-d] [-D] [-v] [-h] [-c <configfile>] [-s <confdir>] [-t <ttyname>]\n");
52  fprintf(stderr, "  -n,--no-subs        don't load zephyr subscriptions\n");
53  fprintf(stderr, "  -d,--debug          enable debugging\n");
54  fprintf(stderr, "  -D,--remove-debug   enable debugging and delete previous debug file\n");
55  fprintf(stderr, "  -v,--version        print the Barnowl version number and exit\n");
56  fprintf(stderr, "  -h,--help           print this help message\n");
57  fprintf(stderr, "  -c,--config-file    specify an alternate config file\n");
58  fprintf(stderr, "  -s,--config-dir     specify an alternate config dir (default ~/.owl)\n");
59  fprintf(stderr, "  -t,--tty            set the tty name\n");
60}
61
[799f36c]62/* TODO: free owl_options after init is done? */
[4e4847c]63void owl_parse_options(int argc, char *argv[], owl_options *opts) {
[f350fc3]64  static const struct option long_options[] = {
65    { "no-subs",         0, 0, 'n' },
66    { "config-file",     1, 0, 'c' },
67    { "config-dir",      1, 0, 's' },
68    { "tty",             1, 0, 't' },
69    { "debug",           0, 0, 'd' },
70    { "remove-debug",    0, 0, 'D' },
71    { "version",         0, 0, 'v' },
72    { "help",            0, 0, 'h' },
73    { NULL, 0, NULL, 0}
74  };
[799f36c]75  char c;
76
[f350fc3]77  while((c = getopt_long(argc, argv, "nc:t:s:dDvh",
78                         long_options, NULL)) != -1) {
[799f36c]79    switch(c) {
80    case 'n':
81      opts->load_initial_subs = 0;
82      break;
83    case 'c':
84      opts->configfile = owl_strdup(optarg);
85      break;
86    case 's':
87      opts->confdir = owl_strdup(optarg);
88      break;
89    case 't':
90      opts->tty = owl_strdup(optarg);
91      break;
92    case 'D':
93      opts->rm_debug = 1;
94      /* fallthrough */
95    case 'd':
96      opts->debug = 1;
97      break;
98    case 'v':
99      printf("This is barnowl version %s\n", OWL_VERSION_STRING);
100      exit(0);
101    case 'h':
102    default:
103      usage();
104      exit(1);
105    }
106  }
107}
108
[4e4847c]109void owl_start_color(void) {
[7967433]110  start_color();
111#ifdef HAVE_USE_DEFAULT_COLORS
112  use_default_colors();
113#endif
114
115  /* define simple color pairs */
116  if (has_colors() && COLOR_PAIRS>=8) {
117    int bg = COLOR_BLACK;
118#ifdef HAVE_USE_DEFAULT_COLORS
119    bg = -1;
120#endif
121    init_pair(OWL_COLOR_BLACK,   COLOR_BLACK,   bg);
122    init_pair(OWL_COLOR_RED,     COLOR_RED,     bg);
123    init_pair(OWL_COLOR_GREEN,   COLOR_GREEN,   bg);
124    init_pair(OWL_COLOR_YELLOW,  COLOR_YELLOW,  bg);
125    init_pair(OWL_COLOR_BLUE,    COLOR_BLUE,    bg);
126    init_pair(OWL_COLOR_MAGENTA, COLOR_MAGENTA, bg);
127    init_pair(OWL_COLOR_CYAN,    COLOR_CYAN,    bg);
128    init_pair(OWL_COLOR_WHITE,   COLOR_WHITE,   bg);
129  }
130}
131
[4e4847c]132void owl_start_curses(void) {
[7967433]133  struct termios tio;
134  /* save initial terminal settings */
135  tcgetattr(0, owl_global_get_startup_tio(&g));
136
137  /* turn ISTRIP off */
138  tcgetattr(0, &tio);
139  tio.c_iflag &= ~(ISTRIP|IEXTEN);
140  tio.c_cc[VQUIT] = 0;
141  tcsetattr(0, TCSAFLUSH, &tio);
142
143  /* screen init */
144  initscr();
145  cbreak();
146  noecho();
147
148  owl_start_color();
149}
150
[4e4847c]151void owl_setup_default_filters(void) {
[7967433]152  owl_filter *f;
153
154  owl_function_debugmsg("startup: creating default filters");
155  f=owl_malloc(sizeof(owl_filter));
156  owl_filter_init_fromstring(f, "personal", "isprivate ^true$ and ( not type ^zephyr$"
157                             " or ( class ^message  ) )");
158  owl_list_append_element(owl_global_get_filterlist(&g), f);
159
160  f=owl_malloc(sizeof(owl_filter));
161  owl_filter_init_fromstring(f, "wordwrap", "not ( type ^admin$ or type ^zephyr$ ) ");
162  owl_list_append_element(owl_global_get_filterlist(&g), f);
163
164  f=owl_malloc(sizeof(owl_filter));
165  owl_filter_init_fromstring(f, "trash", "class ^mail$ or opcode ^ping$ or type ^admin$ or ( not login ^none$ )");
166  owl_list_append_element(owl_global_get_filterlist(&g), f);
167
168  f=owl_malloc(sizeof(owl_filter));
169  owl_filter_init_fromstring(f, "ping", "opcode ^ping$");
170  owl_list_append_element(owl_global_get_filterlist(&g), f);
171
172  f=owl_malloc(sizeof(owl_filter));
173  owl_filter_init_fromstring(f, "auto", "opcode ^auto$");
174  owl_list_append_element(owl_global_get_filterlist(&g), f);
175
176  f=owl_malloc(sizeof(owl_filter));
177  owl_filter_init_fromstring(f, "login", "not login ^none$");
178  owl_list_append_element(owl_global_get_filterlist(&g), f);
179
180  f=owl_malloc(sizeof(owl_filter));
181  owl_filter_init_fromstring(f, "reply-lockout", "class ^noc or class ^mail$");
182  owl_list_append_element(owl_global_get_filterlist(&g), f);
183
184  f=owl_malloc(sizeof(owl_filter));
185  owl_filter_init_fromstring(f, "out", "direction ^out$");
186  owl_list_append_element(owl_global_get_filterlist(&g), f);
187
188  f=owl_malloc(sizeof(owl_filter));
189  owl_filter_init_fromstring(f, "aim", "type ^aim$");
190  owl_list_append_element(owl_global_get_filterlist(&g), f);
191
192  f=owl_malloc(sizeof(owl_filter));
193  owl_filter_init_fromstring(f, "zephyr", "type ^zephyr$");
194  owl_list_append_element(owl_global_get_filterlist(&g), f);
195
196  f=owl_malloc(sizeof(owl_filter));
197  owl_filter_init_fromstring(f, "none", "false");
198  owl_list_append_element(owl_global_get_filterlist(&g), f);
199
200  f=owl_malloc(sizeof(owl_filter));
201  owl_filter_init_fromstring(f, "all", "true");
202  owl_list_append_element(owl_global_get_filterlist(&g), f);
203}
204
[4e4847c]205/*
206 * Process a new message passed to us on the message queue from some
207 * protocol. This includes adding it to the message list, updating the
208 * view and scrolling if appropriate, logging it, and so on.
209 *
210 * Either a pointer is kept to the message internally, or it is freed
211 * if unneeded. The caller no longer ``owns'' the message's memory.
212 *
213 * Returns 1 if the message was added to the message list, and 0 if it
214 * was ignored due to user settings or otherwise.
215 */
216int owl_process_message(owl_message *m) {
217  const owl_filter *f;
218  /* if this message it on the puntlist, nuke it and continue */
219  if (owl_global_message_is_puntable(&g, m)) {
220    owl_message_free(m);
221    return 0;
222  }
223
224  /*  login or logout that should be ignored? */
225  if (owl_global_is_ignorelogins(&g)
226      && owl_message_is_loginout(m)) {
227    owl_message_free(m);
228    return 0;
229  }
230
231  if (!owl_global_is_displayoutgoing(&g)
232      && owl_message_is_direction_out(m)) {
233    owl_message_free(m);
234    return 0;
235  }
236
237  /* add it to the global list */
238  owl_messagelist_append_element(owl_global_get_msglist(&g), m);
239  /* add it to any necessary views; right now there's only the current view */
240  owl_view_consider_message(owl_global_get_current_view(&g), m);
241
242  if(owl_message_is_direction_in(m)) {
243    /* let perl know about it*/
244    owl_perlconfig_getmsg(m, NULL);
245
246    /* do we need to autoreply? */
247    if (owl_global_is_zaway(&g) && !owl_message_get_attribute_value(m, "isauto")) {
248      if (owl_message_is_type_zephyr(m)) {
249        owl_zephyr_zaway(m);
250      } else if (owl_message_is_type_aim(m)) {
251        if (owl_message_is_private(m)) {
252          owl_function_send_aimawymsg(owl_message_get_sender(m), owl_global_get_zaway_msg(&g));
253        }
254      }
255    }
256
257    /* ring the bell if it's a personal */
258    if (!strcmp(owl_global_get_personalbell(&g), "on")) {
259      if (!owl_message_is_loginout(m) &&
260          !owl_message_is_mail(m) &&
261          owl_message_is_personal(m)) {
262        owl_function_beep();
263      }
264    } else if (!strcmp(owl_global_get_personalbell(&g), "off")) {
265      /* do nothing */
266    } else {
267      f=owl_global_get_filter(&g, owl_global_get_personalbell(&g));
268      if (f && owl_filter_message_match(f, m)) {
269        owl_function_beep();
270      }
271    }
272
273    /* if it matches the alert filter, do the alert action */
274    f=owl_global_get_filter(&g, owl_global_get_alert_filter(&g));
275    if (f && owl_filter_message_match(f, m)) {
276      owl_function_command(owl_global_get_alert_action(&g));
277    }
278
279    /* if it's a zephyr login or logout, update the zbuddylist */
280    if (owl_message_is_type_zephyr(m) && owl_message_is_loginout(m)) {
281      if (owl_message_is_login(m)) {
282        owl_zbuddylist_adduser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
283      } else if (owl_message_is_logout(m)) {
284        owl_zbuddylist_deluser(owl_global_get_zephyr_buddylist(&g), owl_message_get_sender(m));
285      } else {
286        owl_function_error("Internal error: received login notice that is neither login nor logout");
287      }
288    }
289  }
290
291  /* let perl know about it */
292  owl_perlconfig_newmsg(m, NULL);
293  /* log the message if we need to */
294  owl_log_message(m);
295
296  return 1;
297}
298
[26255f0]299/*
300 * Process any new messages we have waiting in the message queue.
301 * Returns 1 if any messages were added to the message list, and 0 otherwise.
302 */
303int owl_process_messages(owl_ps_action *d, void *p)
304{
305  int newmsgs=0;
306  owl_message *m;
307
308  /* Grab incoming messages. */
309  while (owl_global_messagequeue_pending(&g)) {
310    m = owl_global_messagequeue_popmsg(&g);
311    if (owl_process_message(m))
312      newmsgs = 1;
313  }
314
315  if (newmsgs) {
316    /* follow the last message if we're supposed to */
317    if (owl_global_should_followlast(&g))
318      owl_function_lastmsg_noredisplay();
319
320    /* do the newmsgproc thing */
321    owl_function_do_newmsgproc();
322
323    /* redisplay if necessary */
324    /* this should be optimized to not run if the new messages won't be displayed */
325    owl_mainwin_redisplay(owl_global_get_mainwin(&g));
326    sepbar(NULL);
327    if (owl_popwin_is_active(owl_global_get_popwin(&g))) {
328      owl_popwin_refresh(owl_global_get_popwin(&g));
329      /* TODO: this is a broken kludge */
330      if (owl_global_get_viewwin(&g)) {
331        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
332      }
333    }
334    owl_global_set_needrefresh(&g);
335  }
336  return newmsgs;
337}
338
[4e4847c]339void owl_process_input(owl_dispatch *d)
340{
341  owl_input j;
342  WINDOW *typwin;
343
344  typwin = owl_global_get_curs_typwin(&g);
345
346  while (1) {
347    j.ch = wgetch(typwin);
348    if (j.ch == ERR) return;
349
350    j.uch = '\0';
351    if (j.ch >= KEY_MIN && j.ch <= KEY_MAX) {
352      /* This is a curses control character. */
353    }
354    else if (j.ch > 0x7f && j.ch < 0xfe) {
355      /* Pull in a full utf-8 character. */
356      int bytes, i;
357      char utf8buf[7];
358      memset(utf8buf, '\0', 7);
359     
360      utf8buf[0] = j.ch;
361     
362      if ((j.ch & 0xc0) && (~j.ch & 0x20)) bytes = 2;
363      else if ((j.ch & 0xe0) && (~j.ch & 0x10)) bytes = 3;
364      else if ((j.ch & 0xf0) && (~j.ch & 0x08)) bytes = 4;
365      else if ((j.ch & 0xf8) && (~j.ch & 0x04)) bytes = 5;
366      else if ((j.ch & 0xfc) && (~j.ch & 0x02)) bytes = 6;
367      else bytes = 1;
368     
369      for (i = 1; i < bytes; i++) {
370        int tmp =  wgetch(typwin);
371        /* If what we got was not a byte, or not a continuation byte */
372        if (tmp > 0xff || !(tmp & 0x80 && ~tmp & 0x40)) {
373          /* ill-formed UTF-8 code unit subsequence, put back the
374             char we just got. */
375          ungetch(tmp);
376          j.ch = ERR;
377          break;
378        }
379        utf8buf[i] = tmp;
380      }
381     
382      if (j.ch != ERR) {
383        if (g_utf8_validate(utf8buf, -1, NULL)) {
384          j.uch = g_utf8_get_char(utf8buf);
385        }
386        else {
387          j.ch = ERR;
388        }
389      }
390    }
391    else if (j.ch <= 0x7f) {
392      j.uch = j.ch;
393    }
394
395    owl_process_input_char(j);
396  }
397}
398
399void sig_handler(int sig, siginfo_t *si, void *data)
400{
401  if (sig==SIGWINCH) {
402    /* we can't inturrupt a malloc here, so it just sets a flag
403     * schedulding a resize for later
404     */
405    owl_function_resize();
406  } else if (sig==SIGPIPE || sig==SIGCHLD) {
407    /* Set a flag and some info that we got the sigpipe
408     * so we can record that we got it and why... */
409    owl_global_set_errsignal(&g, sig, si);
410  } else if (sig==SIGTERM || sig==SIGHUP) {
411    owl_function_quit();
412  }
413}
414
415void sigint_handler(int sig, siginfo_t *si, void *data)
416{
417  owl_global_set_interrupted(&g);
418}
419
[40bda84]420void sigtstp_handler(int sig, siginfo_t *si, void *data)
421{
422  owl_global_set_got_sigstp(&g);
423}
424
[4e4847c]425void owl_register_signal_handlers(void) {
426  struct sigaction sigact;
427
428  /* signal handler */
429  /*sigact.sa_handler=sig_handler;*/
430  sigact.sa_sigaction=sig_handler;
431  sigemptyset(&sigact.sa_mask);
432  sigact.sa_flags=SA_SIGINFO;
433  sigaction(SIGWINCH, &sigact, NULL);
434  sigaction(SIGALRM, &sigact, NULL);
435  sigaction(SIGPIPE, &sigact, NULL);
436  sigaction(SIGTERM, &sigact, NULL);
437  sigaction(SIGHUP, &sigact, NULL);
438
439  sigact.sa_sigaction=sigint_handler;
440  sigaction(SIGINT, &sigact, NULL);
441
[40bda84]442  sigact.sa_sigaction=sigtstp_handler;
443  sigaction(SIGTSTP, &sigact, NULL);
[4e4847c]444}
445
446#if OWL_STDERR_REDIR
447
448/* Replaces stderr with a pipe so that we can read from it.
449 * Returns the fd of the pipe from which stderr can be read. */
450int stderr_replace(void)
451{
452  int pipefds[2];
453  if (0 != pipe(pipefds)) {
454    perror("pipe");
455    owl_function_debugmsg("stderr_replace: pipe FAILED\n");
456    return -1;
457  }
458    owl_function_debugmsg("stderr_replace: pipe: %d,%d\n", pipefds[0], pipefds[1]);
459  if (-1 == dup2(pipefds[1], 2 /*stderr*/)) {
460    owl_function_debugmsg("stderr_replace: dup2 FAILED (%s)\n", strerror(errno));
461    perror("dup2");
462    return -1;
463  }
464  return pipefds[0];
465}
466
467/* Sends stderr (read from rfd) messages to the error console */
468void stderr_redirect_handler(owl_dispatch *d)
469{
470  int navail, bread;
471  char buf[4096];
472  int rfd = d->fd;
473  char *err;
474
475  if (rfd<0) return;
476  if (-1 == ioctl(rfd, FIONREAD, &navail)) {
477    return;
478  }
479  /*owl_function_debugmsg("stderr_redirect: navail = %d\n", navail);*/
480  if (navail <= 0) return;
481  if (navail > sizeof(buf)-1) {
482    navail = sizeof(buf)-1;
483  }
484  bread = read(rfd, buf, navail);
485  if (buf[navail-1] != '\0') {
486    buf[navail] = '\0';
487  }
488
489  err = owl_sprintf("[stderr]\n%s", buf);
490
491  owl_function_log_err(err);
492  owl_free(err);
493}
494
495#endif /* OWL_STDERR_REDIR */
496
497void owl_zephyr_buddycheck_timer(owl_timer *t, void *data)
498{
499  if (owl_global_is_pseudologins(&g)) {
500    owl_function_debugmsg("Doing zephyr buddy check");
501    owl_function_zephyr_buddy_check(1);
502  }
503}
504
505
[de22c3d]506int main(int argc, char **argv, char **env)
507{
[7d4fbcd]508  WINDOW *recwin, *sepwin, *typwin, *msgwin;
509  owl_editwin *tw;
510  owl_popwin *pw;
[26255f0]511  int argcsave;
[799f36c]512  const char *const *argvsave;
[65b2173]513  char *perlout, *perlerr;
[1fdab04]514  const owl_style *s;
[e19eb97]515  const char *dir;
[799f36c]516  owl_options opts;
[cf0cc64]517
[c60ade2]518  if (!GLIB_CHECK_VERSION (2, 12, 0))
519    g_error ("GLib version 2.12.0 or above is needed.");
[7d4fbcd]520
521  argcsave=argc;
[c529ac8]522  argvsave=strs(argv);
[34509d5]523
524  setlocale(LC_ALL, "");
[799f36c]525
526  memset(&opts, 0, sizeof opts);
527  opts.load_initial_subs = 1;
528  owl_parse_options(argc, argv, &opts);
529  g.load_initial_subs = opts.load_initial_subs;
[7d4fbcd]530
[176d3443]531  owl_function_debugmsg("startup: Finished parsing arguments");
532
[7967433]533  owl_register_signal_handlers();
534  owl_start_curses();
[38cf544c]535
[bd3f232]536  /* owl global init */
[7d4fbcd]537  owl_global_init(&g);
[799f36c]538  if (opts.rm_debug) unlink(OWL_DEBUG_FILE);
539  if (opts.debug) owl_global_set_debug_on(&g);
540  if (opts.confdir) owl_global_set_confdir(&g, opts.confdir);
[b20de4f]541  owl_function_debugmsg("startup: first available debugging message");
[7d4fbcd]542  owl_global_set_startupargs(&g, argcsave, argvsave);
[09489b89]543  owl_global_set_haveaim(&g);
[2a2bb60]544
[9c7a701]545  /* prepare stdin dispatch */
546  {
547    owl_dispatch *d = owl_malloc(sizeof(owl_dispatch));
548    d->fd = STDIN;
549    d->cfunc = &owl_process_input;
[f36cd97]550    d->destroy = NULL;
[9c7a701]551    owl_select_add_dispatch(d);
552  }
553
[52a0f14]554  owl_zephyr_initialize();
[596c22df]555
[2a2bb60]556#if OWL_STDERR_REDIR
[a0a5179]557  /* Do this only after we've started curses up... */
[cf0cc64]558  {
559    owl_dispatch *d = owl_malloc(sizeof(owl_dispatch));
560    owl_function_debugmsg("startup: doing stderr redirection");
561    d->fd = stderr_replace();
562    d->cfunc = stderr_redirect_handler;
563    d->destroy = NULL;
564    owl_select_add_dispatch(d);
565  }
566#endif
[2a2bb60]567
[38cf544c]568  /* create the owl directory, in case it does not exist */
[a0a5179]569  owl_function_debugmsg("startup: creating owl directory, if not present");
[b363d83]570  dir=owl_global_get_confdir(&g);
[38cf544c]571  mkdir(dir, S_IRWXU);
[5145235]572
[ced25d1]573  /* set the tty, either from the command line, or by figuring it out */
[a0a5179]574  owl_function_debugmsg("startup: setting tty name");
[799f36c]575  if (opts.tty) {
576    owl_global_set_tty(&g, opts.tty);
[61e79a9]577  } else {
578    owl_global_set_tty(&g, owl_util_get_default_tty());
579  }
[7d4fbcd]580
[b6c067a]581  /* Initialize perl */
582  owl_function_debugmsg("startup: processing config file");
583  owl_context_set_readconfig(owl_global_get_context(&g));
[799f36c]584  perlerr=owl_perlconfig_initperl(opts.configfile, &argc, &argv, &env);
[b6c067a]585  if (perlerr) {
586    endwin();
587    fprintf(stderr, "Internal perl error: %s\n", perlerr);
588    fflush(stderr);
589    printf("Internal perl error: %s\n", perlerr);
590    fflush(stdout);
591    exit(1);
592  }
593
[eb6cedc]594  owl_global_complete_setup(&g);
595
[7967433]596  owl_setup_default_filters();
[7d4fbcd]597
598  /* set the current view */
[a0a5179]599  owl_function_debugmsg("startup: setting the current view");
[7967433]600  owl_view_create(owl_global_get_current_view(&g), "main",
601                  owl_global_get_filter(&g, "all"),
602                  owl_global_get_style_by_name(&g, "default"));
[7d4fbcd]603
[96f8e5b]604  /* AIM init */
[a0a5179]605  owl_function_debugmsg("startup: doing AIM initialization");
[96f8e5b]606  owl_aim_init();
607
[ced25d1]608  /* execute the startup function in the configfile */
[a0a5179]609  owl_function_debugmsg("startup: executing perl startup, if applicable");
[0337203]610  perlout = owl_perlconfig_execute("BarnOwl::Hooks::_startup();");
[7d4fbcd]611  if (perlout) owl_free(perlout);
[212764e]612
[7d4fbcd]613  /* hold on to the window names for convenience */
614  msgwin=owl_global_get_curs_msgwin(&g);
615  recwin=owl_global_get_curs_recwin(&g);
616  sepwin=owl_global_get_curs_sepwin(&g);
617  typwin=owl_global_get_curs_typwin(&g);
618  tw=owl_global_get_typwin(&g);
619
[252a5c2]620  /* welcome message */
[a0a5179]621  owl_function_debugmsg("startup: creating splash message");
[28fa23c]622  owl_function_adminmsg("",
623    "-----------------------------------------------------------------------\n"
624    "Welcome to barnowl version " OWL_VERSION_STRING ".  Press 'h' for on-line help.\n"
625    "To see a quick introduction, type ':show quickstart'.                  \n"
626    "                                                                       \n"
627    "BarnOwl is free software. Type ':show license' for more                \n"
628    "information.                                                     ^ ^   \n"
629    "                                                                 OvO   \n"
630    "Please report any bugs or suggestions to bug-barnowl@mit.edu    (   )  \n"
631    "-----------------------------------------------------------------m-m---\n"
632  );
[252a5c2]633  sepbar(NULL);
634
[687c674]635  /* process the startup file */
636  owl_function_debugmsg("startup: processing startup file");
637  owl_function_source(NULL);
638
[7d4fbcd]639  wrefresh(sepwin);
640
[7967433]641  /* Set the default style */
[a0a5179]642  owl_function_debugmsg("startup: setting startup and default style");
[27c3a93]643  if (0 != strcmp(owl_global_get_default_style(&g), "__unspecified__")) {
644    /* the style was set by the user: leave it alone */
[f933403]645  } else {
[52f8dd6]646    owl_global_set_default_style(&g, "default");
[f933403]647  }
648
[39dc159]649  owl_function_debugmsg("startup: set style for the view: %s", owl_global_get_default_style(&g));
[72c210f]650  s = owl_global_get_style_by_name(&g, owl_global_get_default_style(&g));
651  if(s)
652      owl_view_set_style(owl_global_get_current_view(&g), s);
653  else
654      owl_function_error("No such style: %s", owl_global_get_default_style(&g));
[a0a5179]655
656  owl_function_debugmsg("startup: setting context interactive");
[7d4fbcd]657  owl_context_set_interactive(owl_global_get_context(&g));
658
[c675b39]659  owl_select_add_timer(180, 180, owl_zephyr_buddycheck_timer, NULL, NULL);
[b7bb454]660
661  /* If we ever deprecate the mainloop hook, remove this. */
[c675b39]662  owl_select_add_timer(0, 1, owl_perlconfig_mainloop, NULL, NULL);
[b7bb454]663
[26255f0]664  owl_select_add_pre_select_action(owl_process_messages, NULL, NULL);
665
[a0a5179]666  owl_function_debugmsg("startup: entering main loop");
[7d4fbcd]667  /* main loop */
668  while (1) {
669
670    /* if a resize has been scheduled, deal with it */
671    owl_global_resize(&g, 0, 0);
672
673    /* these are here in case a resize changes the windows */
674    msgwin=owl_global_get_curs_msgwin(&g);
675    recwin=owl_global_get_curs_recwin(&g);
676    sepwin=owl_global_get_curs_sepwin(&g);
677    typwin=owl_global_get_curs_typwin(&g);
678
679    /* if a popwin just came up, refresh it */
680    pw=owl_global_get_popwin(&g);
681    if (owl_popwin_is_active(pw) && owl_popwin_needs_first_refresh(pw)) {
682      owl_popwin_refresh(pw);
683      owl_popwin_no_needs_first_refresh(pw);
684      owl_global_set_needrefresh(&g);
685      /* TODO: this is a broken kludge */
686      if (owl_global_get_viewwin(&g)) {
687        owl_viewwin_redisplay(owl_global_get_viewwin(&g), 0);
688      }
689    }
690
691    /* update the terminal if we need to */
692    if (owl_global_is_needrefresh(&g)) {
693      /* leave the cursor in the appropriate window */
694      if (owl_global_is_typwin_active(&g)) {
695        owl_function_set_cursor(typwin);
696      } else {
697        owl_function_set_cursor(sepwin);
698      }
699      doupdate();
700      owl_global_set_noneedrefresh(&g);
701    }
702
[9c7a701]703    /* select on FDs we know about. */
704    owl_select();
[2a2bb60]705
[c9e72d1]706    /* Log any error signals */
707    {
708      siginfo_t si;
709      int signum;
710      if ((signum = owl_global_get_errsignal_and_clear(&g, &si)) > 0) {
[6eaf35b]711        owl_function_error("Got unexpected signal: %d %s  (code: %d band: %ld  errno: %d)",
[afbf668]712                           signum, signum==SIGPIPE?"SIGPIPE":"SIG????",
[81634b6]713                           si.si_code, si.si_band, si.si_errno);
[c9e72d1]714      }
715    }
716
[7d4fbcd]717  }
718}
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