src/main.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2012 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  14
  15 #include <signal.h>
  16 #include <sys/mman.h>
  17
  18 #include <math.h>
  19 #ifdef G_OS_UNIX
  20 #include <pwd.h>
  21 #endif
  22 #include <locale.h>
  23
  24 #include "main.h"
  25
  26 #include "cache.h"
  27 #include "collect.h"
  28 #include "collect-io.h"
  29 #include "filedata.h"
  30 #include "filefilter.h"
  31 #include "history_list.h"
  32 #include "image-overlay.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "layout_util.h"
  36 #include "options.h"
  37 #include "remote.h"
  38 #include "secure_save.h"
  39 #include "similar.h"
  40 #include "ui_fileops.h"
  41 #include "ui_utildlg.h"
  42 #include "cache_maint.h"
  43 #include "thumb.h"
  44 #include "metadata.h"
  45 #include "editors.h"
  46 #include "exif.h"
  47 #include "histogram.h"
  48 #include "pixbuf_util.h"
  49
  50 #ifdef HAVE_CLUTTER
  51 #include <clutter-gtk/clutter-gtk.h>
  52 #endif
  53
  54
  55 gboolean thumb_format_changed = FALSE;
  56 static RemoteConnection *remote_connection = NULL;
  57
  58 /*
  59  *-----------------------------------------------------------------------------
  60  * keyboard functions
  61  *-----------------------------------------------------------------------------
  62  */
  63
  64 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
  65 {
  66         static gint delta = 0;
  67         static guint32 time_old = 0;
  68         static guint keyval_old = 0;
  69
  70         if (event->state & GDK_CONTROL_MASK)
  71                 {
  72                 if (*x < 0) *x = G_MININT / 2;
  73                 if (*x > 0) *x = G_MAXINT / 2;
  74                 if (*y < 0) *y = G_MININT / 2;
  75                 if (*y > 0) *y = G_MAXINT / 2;
  76
  77                 return;
  78                 }
  79
  80         if (options->progressive_key_scrolling)
  81                 {
  82                 guint32 time_diff;
  83
  84                 time_diff = event->time - time_old;
  85
  86                 /* key pressed within 125ms ? (1/8 second) */
  87                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
  88
  89                 time_old = event->time;
  90                 keyval_old = event->keyval;
  91
  92                 delta += 2;
  93                 }
  94         else
  95                 {
  96                 delta = 8;
  97                 }
  98
  99         *x = *x * delta;
 100         *y = *y * delta;
 101 }
 102
 103
 104
 105 /*
 106  *-----------------------------------------------------------------------------
 107  * command line parser (private) hehe, who needs popt anyway?
 108  *-----------------------------------------------------------------------------
 109  */
 110
 111 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 112                                         GList **list, GList **collection_list)
 113 {
 114         gchar *path_parsed;
 115
 116         path_parsed = g_strdup(file_path);
 117         parse_out_relatives(path_parsed);
 118
 119         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 120                 {
 121                 *collection_list = g_list_append(*collection_list, path_parsed);
 122                 }
 123         else
 124                 {
 125                 if (!*path) *path = remove_level_from_path(path_parsed);
 126                 if (!*file) *file = g_strdup(path_parsed);
 127                 *list = g_list_prepend(*list, file_data_new_group(path_parsed));
 128                 }
 129 }
 130
 131 static void parse_command_line_add_dir(const gchar *dir, gchar **path, gchar **file,
 132                                        GList **list)
 133 {
 134 #if 0
 135         /* This is broken because file filter is not initialized yet.
 136         */
 137         GList *files;
 138         gchar *path_parsed;
 139         FileData *dir_fd;
 140
 141         path_parsed = g_strdup(dir);
 142         parse_out_relatives(path_parsed);
 143         dir_fd = file_data_new_dir(path_parsed);
 144
 145
 146         if (filelist_read(dir_fd, &files, NULL))
 147                 {
 148                 GList *work;
 149
 150                 files = filelist_filter(files, FALSE);
 151                 files = filelist_sort_path(files);
 152
 153                 work = files;
 154                 while (work)
 155                         {
 156                         FileData *fd = work->data;
 157                         if (!*path) *path = remove_level_from_path(fd->path);
 158                         if (!*file) *file = g_strdup(fd->path);
 159                         *list = g_list_prepend(*list, fd);
 160
 161                         work = work->next;
 162                         }
 163
 164                 g_list_free(files);
 165                 }
 166
 167         g_free(path_parsed);
 168         file_data_unref(dir_fd);
 169 #else
 170         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 171 #endif
 172 }
 173
 174 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 175                                            GList **list, gchar **first_dir)
 176 {
 177
 178         if (!*list && !*first_dir)
 179                 {
 180                 *first_dir = g_strdup(dir);
 181                 }
 182         else
 183                 {
 184                 if (*first_dir)
 185                         {
 186                         parse_command_line_add_dir(*first_dir, path, file, list);
 187                         g_free(*first_dir);
 188                         *first_dir = NULL;
 189                         }
 190                 parse_command_line_add_dir(dir, path, file, list);
 191                 }
 192 }
 193
 194 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 195                                             GList **list, GList **collection_list, gchar **first_dir)
 196 {
 197
 198         if (*first_dir)
 199                 {
 200                 parse_command_line_add_dir(*first_dir, path, file, list);
 201                 g_free(*first_dir);
 202                 *first_dir = NULL;
 203                 }
 204         parse_command_line_add_file(file_path, path, file, list, collection_list);
 205 }
 206
 207 static void parse_command_line(gint argc, gchar *argv[])
 208 {
 209         GList *list = NULL;
 210         GList *remote_list = NULL;
 211         GList *remote_errors = NULL;
 212         gboolean remote_do = FALSE;
 213         gchar *first_dir = NULL;
 214
 215         command_line = g_new0(CommandLine, 1);
 216
 217         command_line->argc = argc;
 218         command_line->argv = argv;
 219
 220         if (argc > 1)
 221                 {
 222                 gint i;
 223                 gchar *base_dir = get_current_dir();
 224                 i = 1;
 225                 while (i < argc)
 226                         {
 227                         gchar *cmd_line = path_to_utf8(argv[i]);
 228                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 229
 230                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 231                                 {
 232                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 233                                 }
 234                         else if (isdir(cmd_all))
 235                                 {
 236                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 237                                 }
 238                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 239                                 {
 240                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 241                                                                 &list, &command_line->collection_list, &first_dir);
 242                                 }
 243                         else if (isfile(cmd_all))
 244                                 {
 245                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 246                                                                 &list, &command_line->collection_list, &first_dir);
 247                                 }
 248                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 249                                 {
 250                                 /* do nothing but do not produce warnings */
 251                                 }
 252                         else if (strcmp(cmd_line, "+t") == 0 ||
 253                                  strcmp(cmd_line, "--with-tools") == 0)
 254                                 {
 255                                 command_line->tools_show = TRUE;
 256
 257                                 remote_list = g_list_append(remote_list, "+t");
 258                                 }
 259                         else if (strcmp(cmd_line, "-t") == 0 ||
 260                                  strcmp(cmd_line, "--without-tools") == 0)
 261                                 {
 262                                 command_line->tools_hide = TRUE;
 263
 264                                 remote_list = g_list_append(remote_list, "-t");
 265                                 }
 266                         else if (strcmp(cmd_line, "-f") == 0 ||
 267                                  strcmp(cmd_line, "--fullscreen") == 0)
 268                                 {
 269                                 command_line->startup_full_screen = TRUE;
 270                                 }
 271                         else if (strcmp(cmd_line, "-s") == 0 ||
 272                                  strcmp(cmd_line, "--slideshow") == 0)
 273                                 {
 274                                 command_line->startup_in_slideshow = TRUE;
 275                                 }
 276                         else if (strcmp(cmd_line, "-l") == 0 ||
 277                                  strcmp(cmd_line, "--list") == 0)
 278                                 {
 279                                 command_line->startup_command_line_collection = TRUE;
 280                                 }
 281                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 282                                 {
 283                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 284                                 }
 285                         else if (strcmp(cmd_line, "-r") == 0 ||
 286                                  strcmp(cmd_line, "--remote") == 0)
 287                                 {
 288                                 if (!remote_do)
 289                                         {
 290                                         remote_do = TRUE;
 291                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 292                                         }
 293                                 }
 294                         else if (strcmp(cmd_line, "-rh") == 0 ||
 295                                  strcmp(cmd_line, "--remote-help") == 0)
 296                                 {
 297                                 remote_help();
 298                                 exit(0);
 299                                 }
 300                         else if (strcmp(cmd_line, "--blank") == 0)
 301                                 {
 302                                 command_line->startup_blank = TRUE;
 303                                 }
 304                         else if (strcmp(cmd_line, "-v") == 0 ||
 305                                  strcmp(cmd_line, "--version") == 0)
 306                                 {
 307                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 308                                 exit(0);
 309                                 }
 310                         else if (strcmp(cmd_line, "--alternate") == 0)
 311                                 {
 312                                 /* enable faster experimental algorithm */
 313                                 log_printf("Alternate similarity algorithm enabled\n");
 314                                 image_sim_alternate_set(TRUE);
 315                                 }
 316                         else if (strcmp(cmd_line, "-h") == 0 ||
 317                                  strcmp(cmd_line, "--help") == 0)
 318                                 {
 319                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 320                                 printf_term(_("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 321                                 print_term(_("valid options are:\n"));
 322                                 print_term(_("  +t, --with-tools           force show of tools\n"));
 323                                 print_term(_("  -t, --without-tools        force hide of tools\n"));
 324                                 print_term(_("  -f, --fullscreen           start in full screen mode\n"));
 325                                 print_term(_("  -s, --slideshow            start in slideshow mode\n"));
 326                                 print_term(_("  -l, --list                 open collection window for command line\n"));
 327                                 print_term(_("      --geometry=GEOMETRY    set main window location\n"));
 328                                 print_term(_("  -r, --remote               send following commands to open window\n"));
 329                                 print_term(_("  -rh,--remote-help          print remote command list\n"));
 330 #ifdef DEBUG
 331                                 print_term(_("  --debug[=level]            turn on debug output\n"));
 332 #endif
 333                                 print_term(_("  -v, --version              print version info\n"));
 334                                 print_term(_("  -h, --help                 show this message\n\n"));
 335
 336 #if 0
 337                                 /* these options are not officially supported!
 338                                  * only for testing new features, no need to translate them */
 339                                 print_term(  "  --alternate                use alternate similarity algorithm\n");
 340 #endif
 341
 342                                 exit(0);
 343                                 }
 344                         else if (!remote_do)
 345                                 {
 346                                 printf_term(_("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 347                                 }
 348
 349                         g_free(cmd_all);
 350                         g_free(cmd_line);
 351                         i++;
 352                         }
 353                 g_free(base_dir);
 354                 parse_out_relatives(command_line->path);
 355                 parse_out_relatives(command_line->file);
 356                 }
 357
 358         list = g_list_reverse(list);
 359
 360         if (!command_line->path && first_dir)
 361                 {
 362                 command_line->path = first_dir;
 363                 first_dir = NULL;
 364
 365                 parse_out_relatives(command_line->path);
 366                 }
 367         g_free(first_dir);
 368
 369         if (remote_do)
 370                 {
 371                 if (remote_errors)
 372                         {
 373                         GList *work = remote_errors;
 374
 375                         printf_term(_("Invalid or ignored remote options: "));
 376                         while (work)
 377                                 {
 378                                 gchar *opt = work->data;
 379
 380                                 printf_term("%s%s", (work == remote_errors) ? "" : ", ", opt);
 381                                 work = work->next;
 382                                 }
 383
 384                         printf_term(_("\nUse --remote-help for valid remote options.\n"));
 385                         }
 386
 387                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 388                 }
 389         g_list_free(remote_list);
 390
 391         if (list && list->next)
 392                 {
 393                 command_line->cmd_list = list;
 394                 }
 395         else
 396                 {
 397                 filelist_free(list);
 398                 command_line->cmd_list = NULL;
 399                 }
 400
 401         if (command_line->startup_blank)
 402                 {
 403                 g_free(command_line->path);
 404                 command_line->path = NULL;
 405                 g_free(command_line->file);
 406                 command_line->file = NULL;
 407                 filelist_free(command_line->cmd_list);
 408                 command_line->cmd_list = NULL;
 409                 string_list_free(command_line->collection_list);
 410                 command_line->collection_list = NULL;
 411                 }
 412 }
 413
 414 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 415 {
 416 #ifdef DEBUG
 417         const gchar *debug_option = "--debug";
 418         gint len = strlen(debug_option);
 419
 420         if (argc > 1)
 421                 {
 422                 gint i;
 423
 424                 for (i = 1; i < argc; i++)
 425                         {
 426                         const gchar *cmd_line = argv[i];
 427                         if (strncmp(cmd_line, debug_option, len) == 0)
 428                                 {
 429                                 gint cmd_line_len = strlen(cmd_line);
 430
 431                                 /* we now increment the debug state for verbosity */
 432                                 if (cmd_line_len == len)
 433                                         debug_level_add(1);
 434                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 435                                         {
 436                                         gint n = atoi(cmd_line + len + 1);
 437                                         if (n < 0) n = 1;
 438                                         debug_level_add(n);
 439                                         }
 440                                 }
 441                         }
 442                 }
 443
 444         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 445 #endif
 446 }
 447
 448 /*
 449  *-----------------------------------------------------------------------------
 450  * startup, init, and exit
 451  *-----------------------------------------------------------------------------
 452  */
 453
 454 #define RC_HISTORY_NAME "history"
 455
 456 static void setup_env_path(void)
 457 {
 458         const gchar *old_path = g_getenv("PATH");
 459         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 460         g_setenv("PATH", path, TRUE);
 461         g_free(path);
 462 }
 463
 464 static void keys_load(void)
 465 {
 466         gchar *path;
 467
 468         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 469         history_list_load(path);
 470         g_free(path);
 471 }
 472
 473 static void keys_save(void)
 474 {
 475         gchar *path;
 476
 477         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 478         history_list_save(path);
 479         g_free(path);
 480 }
 481
 482 static void mkdir_if_not_exists(const gchar *path)
 483 {
 484         if (isdir(path)) return;
 485
 486         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 487
 488         if (!recursive_mkdir_if_not_exists(path, 0755))
 489                 {
 490                 log_printf(_("Could not create dir:%s\n"), path);
 491                 }
 492 }
 493
 494
 495 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 496  * to improve the reliability in special cases (especially when disk is full)
 497  * These functions are now using secure saving stuff.
 498  */
 499 static void gq_accel_map_print(
 500                     gpointer    data,
 501                     const gchar *accel_path,
 502                     guint       accel_key,
 503                     GdkModifierType accel_mods,
 504                     gboolean    changed)
 505 {
 506         GString *gstring = g_string_new(changed ? NULL : "; ");
 507         SecureSaveInfo *ssi = data;
 508         gchar *tmp, *name;
 509
 510         g_string_append(gstring, "(gtk_accel_path \"");
 511
 512         tmp = g_strescape(accel_path, NULL);
 513         g_string_append(gstring, tmp);
 514         g_free(tmp);
 515
 516         g_string_append(gstring, "\" \"");
 517
 518         name = gtk_accelerator_name(accel_key, accel_mods);
 519         tmp = g_strescape(name, NULL);
 520         g_free(name);
 521         g_string_append(gstring, tmp);
 522         g_free(tmp);
 523
 524         g_string_append(gstring, "\")\n");
 525
 526         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 527
 528         g_string_free(gstring, TRUE);
 529 }
 530
 531 static gboolean gq_accel_map_save(const gchar *path)
 532 {
 533         gchar *pathl;
 534         SecureSaveInfo *ssi;
 535         GString *gstring;
 536
 537         pathl = path_from_utf8(path);
 538         ssi = secure_open(pathl);
 539         g_free(pathl);
 540         if (!ssi)
 541                 {
 542                 log_printf(_("error saving file: %s\n"), path);
 543                 return FALSE;
 544                 }
 545
 546         gstring = g_string_new("; ");
 547         if (g_get_prgname())
 548                 g_string_append(gstring, g_get_prgname());
 549         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 550         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 551         g_string_append(gstring, ";\n");
 552
 553         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 554
 555         g_string_free(gstring, TRUE);
 556
 557         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 558
 559         if (secure_close(ssi))
 560                 {
 561                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 562                            secsave_strerror(secsave_errno));
 563                 return FALSE;
 564                 }
 565
 566         return TRUE;
 567 }
 568
 569 static gchar *accep_map_filename(void)
 570 {
 571         return g_build_filename(get_rc_dir(), "accels", NULL);
 572 }
 573
 574 static void accel_map_save(void)
 575 {
 576         gchar *path;
 577
 578         path = accep_map_filename();
 579         gq_accel_map_save(path);
 580         g_free(path);
 581 }
 582
 583 static void accel_map_load(void)
 584 {
 585         gchar *path;
 586         gchar *pathl;
 587
 588         path = accep_map_filename();
 589         pathl = path_from_utf8(path);
 590         gtk_accel_map_load(pathl);
 591         g_free(pathl);
 592         g_free(path);
 593 }
 594
 595 static void gtkrc_load(void)
 596 {
 597         gchar *path;
 598         gchar *pathl;
 599
 600         /* If a gtkrc file exists in the rc directory, add it to the
 601          * list of files to be parsed at the end of gtk_init() */
 602         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 603         pathl = path_from_utf8(path);
 604         if (access(pathl, R_OK) == 0)
 605                 gtk_rc_add_default_file(pathl);
 606         g_free(pathl);
 607         g_free(path);
 608 }
 609
 610 static void exit_program_final(void)
 611 {
 612         LayoutWindow *lw = NULL;
 613
 614          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 615         layout_editors_reload_finish();
 616
 617         remote_close(remote_connection);
 618
 619         collect_manager_flush();
 620
 621         save_options(options);
 622         keys_save();
 623         accel_map_save();
 624
 625         if (layout_valid(&lw))
 626                 {
 627                 layout_free(lw);
 628                 }
 629
 630         gtk_main_quit();
 631 }
 632
 633 static GenericDialog *exit_dialog = NULL;
 634
 635 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 636 {
 637         exit_dialog = NULL;
 638         generic_dialog_close(gd);
 639 }
 640
 641 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 642 {
 643         exit_dialog = NULL;
 644         generic_dialog_close(gd);
 645         exit_program_final();
 646 }
 647
 648 static gint exit_confirm_dlg(void)
 649 {
 650         GtkWidget *parent;
 651         LayoutWindow *lw;
 652         gchar *msg;
 653
 654         if (exit_dialog)
 655                 {
 656                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 657                 return TRUE;
 658                 }
 659
 660         if (!collection_window_modified_exists()) return FALSE;
 661
 662         parent = NULL;
 663         lw = NULL;
 664         if (layout_valid(&lw))
 665                 {
 666                 parent = lw->window;
 667                 }
 668
 669         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 670         exit_dialog = generic_dialog_new(msg,
 671                                 "exit", parent, FALSE,
 672                                 exit_confirm_cancel_cb, NULL);
 673         g_free(msg);
 674         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 675         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 676                                    msg, _("Collections have been modified. Quit anyway?"));
 677         g_free(msg);
 678         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 679
 680         gtk_widget_show(exit_dialog->dialog);
 681
 682         return TRUE;
 683 }
 684
 685 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 686 {
 687         if (success) exit_program();
 688 }
 689
 690 void exit_program(void)
 691 {
 692         layout_image_full_screen_stop(NULL);
 693
 694         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 695
 696         if (exit_confirm_dlg()) return;
 697
 698         exit_program_final();
 699 }
 700
 701 /* This code is supposed to handle situation when a file mmaped by image_loader
 702  * or by exif loader is truncated by some other process.
 703  * This is probably not completely correct according to posix, because
 704  * mmap is not in the list of calls that can be used safely in signal handler,
 705  * but anyway, the handler is called in situation when the application would
 706  * crash otherwise.
 707  * Ideas for improvement are welcome ;)
 708  */
 709 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 710
 711 #if defined(SIGBUS) && defined(SA_SIGINFO)
 712 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 713 {
 714         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 715         DEBUG_1("SIGBUS %p", info->si_addr);
 716         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 717 }
 718 #endif
 719
 720 static void setup_sigbus_handler(void)
 721 {
 722 #if defined(SIGBUS) && defined(SA_SIGINFO)
 723         struct sigaction sigbus_action;
 724         sigfillset(&sigbus_action.sa_mask);
 725         sigbus_action.sa_sigaction = sigbus_handler_cb;
 726         sigbus_action.sa_flags = SA_SIGINFO;
 727
 728         sigaction(SIGBUS, &sigbus_action, NULL);
 729 #endif
 730 }
 731
 732 gint main(gint argc, gchar *argv[])
 733 {
 734         CollectionData *first_collection = NULL;
 735         gchar *buf;
 736         CollectionData *cd = NULL;
 737
 738 #ifdef HAVE_GTHREAD
 739         g_thread_init(NULL);
 740         gdk_threads_init();
 741         gdk_threads_enter();
 742
 743 #endif
 744
 745         /* init execution time counter (debug only) */
 746         init_exec_time();
 747
 748         /* setup locale, i18n */
 749         setlocale(LC_ALL, "");
 750
 751 #ifdef ENABLE_NLS
 752         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 753         bind_textdomain_codeset(PACKAGE, "UTF-8");
 754         textdomain(PACKAGE);
 755 #endif
 756
 757         exif_init();
 758
 759         /* setup random seed for random slideshow */
 760         srand(time(NULL));
 761
 762         setup_sigbus_handler();
 763
 764         /* register global notify functions */
 765         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 766         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 767         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 768         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 769         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 770
 771
 772         gtkrc_load();
 773
 774         parse_command_line_for_debug_option(argc, argv);
 775         DEBUG_1("%s main: gtk_init", get_exec_time());
 776 #ifdef HAVE_CLUTTER
 777         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 778                 {
 779                 log_printf("Can't initialize clutter-gtk.\n");
 780                 exit(1);
 781                 }
 782 #else
 783         gtk_init(&argc, &argv);
 784 #endif
 785
 786         if (gtk_major_version < GTK_MAJOR_VERSION ||
 787             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 788                 {
 789                 log_printf("!!! This is a friendly warning.\n");
 790                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 791                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 792                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 793                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 794                 }
 795
 796         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 797         pixbuf_inline_register_stock_icons();
 798
 799         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 800         options = init_options(NULL);
 801         setup_default_options(options);
 802
 803         DEBUG_1("%s main: parse_command_line", get_exec_time());
 804         parse_command_line(argc, argv);
 805
 806         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 807         /* these functions don't depend on config file */
 808         mkdir_if_not_exists(get_rc_dir());
 809         mkdir_if_not_exists(get_collections_dir());
 810         mkdir_if_not_exists(get_thumbnails_cache_dir());
 811         mkdir_if_not_exists(get_metadata_cache_dir());
 812
 813         setup_env_path();
 814
 815         keys_load();
 816         accel_map_load();
 817
 818         /* restore session from the config file */
 819
 820
 821         DEBUG_1("%s main: load_options", get_exec_time());
 822         if (!load_options(options))
 823                 {
 824                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 825                 filter_add_defaults();
 826                 filter_rebuild();
 827                 }
 828
 829         /* handle missing config file and commandline additions*/
 830         if (!layout_window_list)
 831                 {
 832                 /* broken or no config file */
 833                 layout_new_from_config(NULL, NULL, TRUE);
 834                 }
 835
 836         layout_editors_reload_start();
 837
 838         if (command_line->collection_list && !command_line->startup_command_line_collection)
 839                 {
 840                 GList *work;
 841
 842                 work = command_line->collection_list;
 843                 while (work)
 844                         {
 845                         CollectWindow *cw;
 846                         const gchar *path;
 847
 848                         path = work->data;
 849                         work = work->next;
 850
 851                         cw = collection_window_new(path);
 852                         if (!first_collection && cw) first_collection = cw->cd;
 853                         }
 854                 }
 855
 856         if (command_line->cmd_list ||
 857             (command_line->startup_command_line_collection && command_line->collection_list))
 858                 {
 859                 GList *work;
 860
 861                 if (command_line->startup_command_line_collection)
 862                         {
 863                         CollectWindow *cw;
 864
 865                         cw = collection_window_new("");
 866                         cd = cw->cd;
 867                         }
 868                 else
 869                         {
 870                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
 871                         }
 872
 873                 g_free(cd->path);
 874                 cd->path = NULL;
 875                 g_free(cd->name);
 876                 cd->name = g_strdup(_("Command line"));
 877
 878                 collection_path_changed(cd);
 879
 880                 work = command_line->cmd_list;
 881                 while (work)
 882                         {
 883                         collection_add(cd, (FileData *)work->data, FALSE);
 884                         work = work->next;
 885                         }
 886
 887                 work = command_line->collection_list;
 888                 while (work)
 889                         {
 890                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
 891                         work = work->next;
 892                         }
 893
 894                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
 895
 896                 /* mem leak, we never unref this collection when !startup_command_line_collection
 897                  * (the image view of the main window does not hold a ref to the collection)
 898                  * this is sort of unavoidable, for if it did hold a ref, next/back
 899                  * may not work as expected when closing collection windows.
 900                  *
 901                  * collection_unref(cd);
 902                  */
 903
 904                 }
 905         else if (first_collection)
 906                 {
 907                 layout_image_set_collection(NULL, first_collection,
 908                                             collection_get_first(first_collection));
 909                 }
 910
 911         buf = g_build_filename(get_rc_dir(), ".command", NULL);
 912         remote_connection = remote_server_init(buf, cd);
 913         g_free(buf);
 914
 915         DEBUG_1("%s main: gtk_main", get_exec_time());
 916         gtk_main();
 917 #ifdef HAVE_GTHREAD
 918         gdk_threads_leave();
 919 #endif
 920         return 0;
 921 }
 922 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */