apps/irssi/src/fe-text/silc.c

   1 /*
   2  irssi.c : irssi
   3
   4     Copyright (C) 1999-2000, 2007 Timo Sirainen
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #include "module.h"
  22 #include "module-formats.h"
  23 #include "modules-load.h"
  24 #include "args.h"
  25 #include "signals.h"
  26 #include "levels.h"
  27 #include "core.h"
  28 #include "settings.h"
  29 #include "session.h"
  30
  31 #include "printtext.h"
  32 #include "fe-common-core.h"
  33 #include "fe-common-silc.h"
  34 #include "themes.h"
  35
  36 #include "term.h"
  37 #include "gui-entry.h"
  38 #include "mainwindows.h"
  39 #include "gui-printtext.h"
  40 #include "gui-readline.h"
  41 #include "statusbar.h"
  42 #include "gui-windows.h"
  43 #include "textbuffer-reformat.h"
  44
  45 #include <signal.h>
  46 #include <locale.h>
  47
  48 #ifdef HAVE_STATIC_PERL
  49 void perl_core_init(void);
  50 void perl_core_deinit(void);
  51
  52 void fe_perl_init(void);
  53 void fe_perl_deinit(void);
  54 #endif
  55
  56 void silc_init(void);
  57 void silc_deinit(void);
  58
  59 void gui_expandos_init(void);
  60 void gui_expandos_deinit(void);
  61
  62 void textbuffer_commands_init(void);
  63 void textbuffer_commands_deinit(void);
  64
  65 void lastlog_init(void);
  66 void lastlog_deinit(void);
  67
  68 void mainwindow_activity_init(void);
  69 void mainwindow_activity_deinit(void);
  70
  71 void mainwindows_layout_init(void);
  72 void mainwindows_layout_deinit(void);
  73
  74 void term_dummy_init(void);
  75 void term_dummy_deinit(void);
  76
  77 static int dirty, full_redraw, dummy;
  78
  79 static GMainLoop *main_loop;
  80 int quitting;
  81
  82 static int display_firsttimer = FALSE;
  83
  84 static void sig_exit(void)
  85 {
  86   quitting = TRUE;
  87 }
  88
  89 /* redraw irssi's screen.. */
  90 void irssi_redraw(void)
  91 {
  92         dirty = TRUE;
  93         full_redraw = TRUE;
  94 }
  95
  96 void irssi_set_dirty(void)
  97 {
  98         dirty = TRUE;
  99 }
 100
 101 static void dirty_check(void)
 102 {
 103         if (!dirty || dummy)
 104                 return;
 105
 106         term_resize_dirty();
 107
 108         if (full_redraw) {
 109                 full_redraw = FALSE;
 110
 111                 /* first clear the screen so curses will be
 112                    forced to redraw the screen */
 113                 term_clear();
 114                 term_refresh(NULL);
 115
 116                 mainwindows_redraw();
 117                 statusbar_redraw(NULL, TRUE);
 118         }
 119
 120         mainwindows_redraw_dirty();
 121         statusbar_redraw_dirty();
 122         term_refresh(NULL);
 123
 124         dirty = FALSE;
 125 }
 126
 127 static void textui_init(void)
 128 {
 129 #ifdef SIGTRAP
 130         struct sigaction act;
 131
 132         sigemptyset(&act.sa_mask);
 133         act.sa_flags = 0;
 134         act.sa_handler = SIG_IGN;
 135         sigaction(SIGTRAP, &act, NULL);
 136 #endif
 137
 138         irssi_gui = IRSSI_GUI_TEXT;
 139         core_init();
 140         silc_init();
 141         fe_common_core_init();
 142         fe_silc_init();
 143
 144         theme_register(gui_text_formats);
 145         signal_add_last("gui exit", (SIGNAL_FUNC) sig_exit);
 146 }
 147
 148 static void textui_finish_init(void)
 149 {
 150         quitting = FALSE;
 151
 152         if (dummy)
 153                 term_dummy_init();
 154         else {
 155                 term_refresh_freeze();
 156                 textbuffer_init();
 157                 textbuffer_view_init();
 158                 textbuffer_commands_init();
 159                 textbuffer_reformat_init();
 160                 gui_expandos_init();
 161                 gui_printtext_init();
 162                 gui_readline_init();
 163                 lastlog_init();
 164                 mainwindows_init();
 165                 mainwindow_activity_init();
 166                 mainwindows_layout_init();
 167                 gui_windows_init();
 168                 statusbar_init();
 169                 term_refresh_thaw();
 170
 171                 /* don't check settings with dummy mode */
 172                 settings_check();
 173         }
 174
 175         module_register("core", "fe-text");
 176
 177 #ifdef HAVE_STATIC_PERL
 178         perl_core_init();
 179         fe_perl_init();
 180 #endif
 181
 182         dirty_check();
 183
 184         fe_common_core_finish_init();
 185         signal_emit("irssi init finished", 0);
 186 }
 187
 188 static void textui_deinit(void)
 189 {
 190         signal(SIGINT, SIG_DFL);
 191
 192         term_refresh_freeze();
 193         while (modules != NULL)
 194                 module_unload(modules->data);
 195
 196 #ifdef HAVE_STATIC_PERL
 197         perl_core_deinit();
 198         fe_perl_deinit();
 199 #endif
 200
 201         dirty_check(); /* one last time to print any quit messages */
 202         signal_remove("gui exit", (SIGNAL_FUNC) sig_exit);
 203
 204         if (dummy)
 205                 term_dummy_deinit();
 206         else {
 207                 lastlog_deinit();
 208                 statusbar_deinit();
 209                 gui_printtext_deinit();
 210                 gui_readline_deinit();
 211                 gui_windows_deinit();
 212                 mainwindows_layout_deinit();
 213                 mainwindow_activity_deinit();
 214                 mainwindows_deinit();
 215                 gui_expandos_deinit();
 216                 textbuffer_reformat_deinit();
 217                 textbuffer_commands_deinit();
 218                 textbuffer_view_deinit();
 219                 textbuffer_deinit();
 220
 221                 term_refresh_thaw();
 222                 term_deinit();
 223         }
 224
 225         theme_unregister();
 226
 227         fe_silc_deinit();
 228         fe_common_core_deinit();
 229         silc_deinit();
 230         core_deinit();
 231 }
 232
 233 static void check_oldcrap(void)
 234 {
 235         FILE *f;
 236         char *path, str[256];
 237         int found;
 238
 239         /* check that default.theme is up-to-date */
 240         path = g_strdup_printf("%s/default.theme", get_irssi_dir());
 241         f = fopen(path, "r+");
 242         if (f == NULL) {
 243                 g_free(path);
 244                 return;
 245         }
 246         found = FALSE;
 247         while (!found && fgets(str, sizeof(str), f) != NULL)
 248                 found = strstr(str, "abstracts = ") != NULL;
 249         fclose(f);
 250
 251         if (found) {
 252                 g_free(path);
 253                 return;
 254         }
 255
 256         printf("\nYou seem to have old default.theme in "IRSSI_DIR_SHORT"/ directory.\n");
 257         printf("Themeing system has changed a bit since last irssi release,\n");
 258         printf("you should either delete your old default.theme or manually\n");
 259         printf("merge it with the new default.theme.\n\n");
 260         printf("Do you want to delete the old theme now? (Y/n)\n");
 261
 262         str[0] = '\0';
 263         fgets(str, sizeof(str), stdin);
 264         if (i_toupper(str[0]) == 'Y' || str[0] == '\n' || str[0] == '\0')
 265                 remove(path);
 266         g_free(path);
 267 }
 268
 269 static void check_files(void)
 270 {
 271         struct stat statbuf;
 272
 273         if (stat(get_irssi_dir(), &statbuf) != 0) {
 274                 /* ~/.irssi doesn't exist, first time running irssi */
 275                 display_firsttimer = TRUE;
 276         } else {
 277                 check_oldcrap();
 278         }
 279 }
 280
 281 #ifdef WIN32
 282 static void winsock_init(void)
 283 {
 284         WORD wVersionRequested;
 285         WSADATA wsaData;
 286
 287         wVersionRequested = MAKEWORD(2, 2);
 288
 289         if (WSAStartup(wVersionRequested, &wsaData) != 0) {
 290                 printf("Error initializing winsock\n");
 291                 exit(1);
 292         }
 293 }
 294 #endif
 295
 296 #ifdef USE_GC
 297 #ifdef HAVE_GC_H
 298 #  include <gc.h>
 299 #else
 300 #  include <gc/gc.h>
 301 #endif
 302
 303 GMemVTable gc_mem_table = {
 304         GC_malloc,
 305         GC_realloc,
 306         GC_free,
 307
 308         NULL, NULL, NULL
 309 };
 310 #endif
 311
 312 int main(int argc, char **argv)
 313 {
 314         static struct poptOption options[] = {
 315 #if 0 /* --dummy is not available in SILC Client */
 316                 { "dummy", 'd', POPT_ARG_NONE, &dummy, 0, "Use the dummy terminal mode", NULL },
 317 #endif
 318                 { NULL, '\0', 0, NULL }
 319         };
 320
 321 #ifdef USE_GC
 322         g_mem_set_vtable(&gc_mem_table);
 323 #endif
 324
 325         srand(time(NULL));
 326
 327         dummy = FALSE;
 328         quitting = FALSE;
 329         core_init_paths(argc, argv);
 330
 331         check_files();
 332
 333 #ifdef WIN32
 334         winsock_init();
 335 #endif
 336 #ifdef HAVE_SOCKS
 337         SOCKSinit(argv[0]);
 338 #endif
 339 #ifdef ENABLE_NLS
 340         /* initialize the i18n stuff */
 341         bindtextdomain(PACKAGE, LOCALEDIR);
 342         textdomain(PACKAGE);
 343 #endif
 344
 345         /* setlocale() must be called at the beginning before any calls that
 346            affect it, especially regexps seem to break if they're generated
 347            before t his call.
 348
 349            locales aren't actually used for anything else than autodetection
 350            of UTF-8 currently..
 351
 352            furthermore to get the users's charset with g_get_charset() properly
 353            you have to call setlocale(LC_ALL, "") */
 354         setlocale(LC_ALL, "");
 355
 356         textui_init();
 357         args_register(options);
 358         args_execute(argc, argv);
 359
 360         if (!dummy && !term_init()) {
 361                 fprintf(stderr, "Can't initialize screen handling, quitting.\n");
 362                 fprintf(stderr, "You can still use the dummy mode with -d parameter\n");
 363                 return 1;
 364         }
 365
 366         textui_finish_init();
 367         main_loop = g_main_new(TRUE);
 368
 369         /* Does the same as g_main_run(main_loop), except we
 370            can call our dirty-checker after each iteration */
 371         while (!quitting) {
 372 #ifdef USE_GC
 373                 GC_collect_a_little();
 374 #endif
 375                 if (!dummy) term_refresh_freeze();
 376                 g_main_iteration(TRUE);
 377                 if (!dummy) term_refresh_thaw();
 378
 379                 if (reload_config) {
 380                         /* SIGHUP received, do /RELOAD */
 381                         reload_config = FALSE;
 382                         signal_emit("command reload", 1, "");
 383                 }
 384
 385                 dirty_check();
 386         }
 387
 388         g_main_destroy(main_loop);
 389         textui_deinit();
 390
 391         session_upgrade(); /* if we /UPGRADEd, start the new process */
 392         return 0;
 393 }