src/main.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  23
  24 #include <signal.h>
  25 #include <sys/mman.h>
  26
  27 #include <math.h>
  28 #ifdef G_OS_UNIX
  29 #include <pwd.h>
  30 #endif
  31 #include <locale.h>
  32
  33 #include "main.h"
  34
  35 #include "cache.h"
  36 #include "collect.h"
  37 #include "collect-io.h"
  38 #include "filedata.h"
  39 #include "filefilter.h"
  40 #include "history_list.h"
  41 #include "image-overlay.h"
  42 #include "layout.h"
  43 #include "layout_image.h"
  44 #include "layout_util.h"
  45 #include "options.h"
  46 #include "remote.h"
  47 #include "secure_save.h"
  48 #include "similar.h"
  49 #include "ui_fileops.h"
  50 #include "ui_utildlg.h"
  51 #include "cache_maint.h"
  52 #include "thumb.h"
  53 #include "metadata.h"
  54 #include "editors.h"
  55 #include "exif.h"
  56 #include "histogram.h"
  57 #include "pixbuf_util.h"
  58 #include "glua.h"
  59
  60 #ifdef HAVE_CLUTTER
  61 #include <clutter-gtk/clutter-gtk.h>
  62 #endif
  63
  64
  65 gboolean thumb_format_changed = FALSE;
  66 static RemoteConnection *remote_connection = NULL;
  67
  68 /*
  69  *-----------------------------------------------------------------------------
  70  * keyboard functions
  71  *-----------------------------------------------------------------------------
  72  */
  73
  74 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
  75 {
  76         static gint delta = 0;
  77         static guint32 time_old = 0;
  78         static guint keyval_old = 0;
  79
  80         if (event->state & GDK_CONTROL_MASK)
  81                 {
  82                 if (*x < 0) *x = G_MININT / 2;
  83                 if (*x > 0) *x = G_MAXINT / 2;
  84                 if (*y < 0) *y = G_MININT / 2;
  85                 if (*y > 0) *y = G_MAXINT / 2;
  86
  87                 return;
  88                 }
  89
  90         if (options->progressive_key_scrolling)
  91                 {
  92                 guint32 time_diff;
  93
  94                 time_diff = event->time - time_old;
  95
  96                 /* key pressed within 125ms ? (1/8 second) */
  97                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
  98
  99                 time_old = event->time;
 100                 keyval_old = event->keyval;
 101
 102                 delta += 2;
 103                 }
 104         else
 105                 {
 106                 delta = 8;
 107                 }
 108
 109         *x = *x * delta * options->keyboard_scroll_step;
 110         *y = *y * delta * options->keyboard_scroll_step;
 111 }
 112
 113
 114
 115 /*
 116  *-----------------------------------------------------------------------------
 117  * command line parser (private) hehe, who needs popt anyway?
 118  *-----------------------------------------------------------------------------
 119  */
 120
 121 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 122                                         GList **list, GList **collection_list)
 123 {
 124         gchar *path_parsed;
 125
 126         path_parsed = g_strdup(file_path);
 127         parse_out_relatives(path_parsed);
 128
 129         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 130                 {
 131                 *collection_list = g_list_append(*collection_list, path_parsed);
 132                 }
 133         else
 134                 {
 135                 if (!*path) *path = remove_level_from_path(path_parsed);
 136                 if (!*file) *file = g_strdup(path_parsed);
 137                 *list = g_list_prepend(*list, file_data_new_group(path_parsed));
 138                 }
 139 }
 140
 141 static void parse_command_line_add_dir(const gchar *dir, gchar **path, gchar **file,
 142                                        GList **list)
 143 {
 144 #if 0
 145         /* This is broken because file filter is not initialized yet.
 146         */
 147         GList *files;
 148         gchar *path_parsed;
 149         FileData *dir_fd;
 150
 151         path_parsed = g_strdup(dir);
 152         parse_out_relatives(path_parsed);
 153         dir_fd = file_data_new_dir(path_parsed);
 154
 155
 156         if (filelist_read(dir_fd, &files, NULL))
 157                 {
 158                 GList *work;
 159
 160                 files = filelist_filter(files, FALSE);
 161                 files = filelist_sort_path(files);
 162
 163                 work = files;
 164                 while (work)
 165                         {
 166                         FileData *fd = work->data;
 167                         if (!*path) *path = remove_level_from_path(fd->path);
 168                         if (!*file) *file = g_strdup(fd->path);
 169                         *list = g_list_prepend(*list, fd);
 170
 171                         work = work->next;
 172                         }
 173
 174                 g_list_free(files);
 175                 }
 176
 177         g_free(path_parsed);
 178         file_data_unref(dir_fd);
 179 #else
 180         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 181 #endif
 182 }
 183
 184 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 185                                            GList **list, gchar **first_dir)
 186 {
 187
 188         if (!*list && !*first_dir)
 189                 {
 190                 *first_dir = g_strdup(dir);
 191                 }
 192         else
 193                 {
 194                 if (*first_dir)
 195                         {
 196                         parse_command_line_add_dir(*first_dir, path, file, list);
 197                         g_free(*first_dir);
 198                         *first_dir = NULL;
 199                         }
 200                 parse_command_line_add_dir(dir, path, file, list);
 201                 }
 202 }
 203
 204 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 205                                             GList **list, GList **collection_list, gchar **first_dir)
 206 {
 207
 208         if (*first_dir)
 209                 {
 210                 parse_command_line_add_dir(*first_dir, path, file, list);
 211                 g_free(*first_dir);
 212                 *first_dir = NULL;
 213                 }
 214         parse_command_line_add_file(file_path, path, file, list, collection_list);
 215 }
 216
 217 static void parse_command_line(gint argc, gchar *argv[])
 218 {
 219         GList *list = NULL;
 220         GList *remote_list = NULL;
 221         GList *remote_errors = NULL;
 222         gboolean remote_do = FALSE;
 223         gchar *first_dir = NULL;
 224
 225         command_line = g_new0(CommandLine, 1);
 226
 227         command_line->argc = argc;
 228         command_line->argv = argv;
 229         command_line->regexp = NULL;
 230
 231         if (argc > 1)
 232                 {
 233                 gint i;
 234                 gchar *base_dir = get_current_dir();
 235                 i = 1;
 236                 while (i < argc)
 237                         {
 238                         gchar *cmd_line = path_to_utf8(argv[i]);
 239                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 240
 241                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 242                                 {
 243                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 244                                 }
 245                         else if (isdir(cmd_all))
 246                                 {
 247                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 248                                 }
 249                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 250                                 {
 251                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 252                                                                 &list, &command_line->collection_list, &first_dir);
 253                                 }
 254                         else if (isfile(cmd_all))
 255                                 {
 256                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 257                                                                 &list, &command_line->collection_list, &first_dir);
 258                                 }
 259                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 260                                 {
 261                                 /* do nothing but do not produce warnings */
 262                                 }
 263                         else if (strcmp(cmd_line, "+t") == 0 ||
 264                                  strcmp(cmd_line, "--with-tools") == 0)
 265                                 {
 266                                 command_line->tools_show = TRUE;
 267
 268                                 remote_list = g_list_append(remote_list, "+t");
 269                                 }
 270                         else if (strcmp(cmd_line, "-t") == 0 ||
 271                                  strcmp(cmd_line, "--without-tools") == 0)
 272                                 {
 273                                 command_line->tools_hide = TRUE;
 274
 275                                 remote_list = g_list_append(remote_list, "-t");
 276                                 }
 277                         else if (strcmp(cmd_line, "-f") == 0 ||
 278                                  strcmp(cmd_line, "--fullscreen") == 0)
 279                                 {
 280                                 command_line->startup_full_screen = TRUE;
 281                                 }
 282                         else if (strcmp(cmd_line, "-s") == 0 ||
 283                                  strcmp(cmd_line, "--slideshow") == 0)
 284                                 {
 285                                 command_line->startup_in_slideshow = TRUE;
 286                                 }
 287                         else if (strcmp(cmd_line, "-l") == 0 ||
 288                                  strcmp(cmd_line, "--list") == 0)
 289                                 {
 290                                 command_line->startup_command_line_collection = TRUE;
 291                                 }
 292                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 293                                 {
 294                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 295                                 }
 296                         else if (strcmp(cmd_line, "-r") == 0 ||
 297                                  strcmp(cmd_line, "--remote") == 0)
 298                                 {
 299                                 if (!remote_do)
 300                                         {
 301                                         remote_do = TRUE;
 302                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 303                                         }
 304                                 }
 305                         else if ((strcmp(cmd_line, "+w") == 0) ||
 306                                                 strcmp(cmd_line, "--show-log-window") == 0)
 307                                 {
 308                                 command_line->log_window_show = TRUE;
 309                                 }
 310                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 311                                 {
 312                                 command_line->log_file = g_strdup(cmd_line + 3);
 313                                 }
 314                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 315                                 {
 316                                 command_line->log_file = g_strdup(cmd_line + 11);
 317                                 }
 318                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 319                                 {
 320                                 set_regexp(g_strdup(cmd_line+3));
 321                                 }
 322                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 323                                 {
 324                                 set_regexp(g_strdup(cmd_line+3));
 325                                 }
 326                         else if (strcmp(cmd_line, "-rh") == 0 ||
 327                                  strcmp(cmd_line, "--remote-help") == 0)
 328                                 {
 329                                 remote_help();
 330                                 exit(0);
 331                                 }
 332                         else if (strcmp(cmd_line, "--blank") == 0)
 333                                 {
 334                                 command_line->startup_blank = TRUE;
 335                                 }
 336                         else if (strcmp(cmd_line, "-v") == 0 ||
 337                                  strcmp(cmd_line, "--version") == 0)
 338                                 {
 339                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 340                                 exit(0);
 341                                 }
 342                         else if (strcmp(cmd_line, "--alternate") == 0)
 343                                 {
 344                                 /* enable faster experimental algorithm */
 345                                 log_printf("Alternate similarity algorithm enabled\n");
 346                                 image_sim_alternate_set(TRUE);
 347                                 }
 348                         else if (strcmp(cmd_line, "-h") == 0 ||
 349                                  strcmp(cmd_line, "--help") == 0)
 350                                 {
 351                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 352                                 printf_term(_("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 353                                 print_term(_("valid options are:\n"));
 354                                 print_term(_("  +t, --with-tools                 force show of tools\n"));
 355                                 print_term(_("  -t, --without-tools              force hide of tools\n"));
 356                                 print_term(_("  -f, --fullscreen                 start in full screen mode\n"));
 357                                 print_term(_("  -s, --slideshow                  start in slideshow mode\n"));
 358                                 print_term(_("  -l, --list [files] [collections] open collection window for command line\n"));
 359                                 print_term(_("      --blank                      start with blank file list\n"));
 360                                 print_term(_("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 361                                 print_term(_("  -r, --remote                     send following commands to open window\n"));
 362                                 print_term(_("  -rh,--remote-help                print remote command list\n"));
 363 #ifdef DEBUG
 364                                 print_term(_("      --debug[=level]              turn on debug output\n"));
 365                                 print_term(_("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 366 #endif
 367                                 print_term(_("  +w, --show-log-window            show log window\n"));
 368                                 print_term(_("  -o:<file>, --log-file:<file>     save log data to file\n"));
 369                                 print_term(_("  -v, --version                    print version info\n"));
 370                                 print_term(_("  -h, --help                       show this message\n\n"));
 371
 372 #if 0
 373                                 /* these options are not officially supported!
 374                                  * only for testing new features, no need to translate them */
 375                                 print_term(  "  --alternate                use alternate similarity algorithm\n");
 376 #endif
 377
 378
 379                                 exit(0);
 380                                 }
 381                         else if (!remote_do)
 382                                 {
 383                                 printf_term(_("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 384                                 }
 385
 386                         g_free(cmd_all);
 387                         g_free(cmd_line);
 388                         i++;
 389                         }
 390                 g_free(base_dir);
 391                 parse_out_relatives(command_line->path);
 392                 parse_out_relatives(command_line->file);
 393                 }
 394
 395         list = g_list_reverse(list);
 396
 397         if (!command_line->path && first_dir)
 398                 {
 399                 command_line->path = first_dir;
 400                 first_dir = NULL;
 401
 402                 parse_out_relatives(command_line->path);
 403                 }
 404         g_free(first_dir);
 405
 406         if (remote_do)
 407                 {
 408                 if (remote_errors)
 409                         {
 410                         GList *work = remote_errors;
 411
 412                         printf_term(_("Invalid or ignored remote options: "));
 413                         while (work)
 414                                 {
 415                                 gchar *opt = work->data;
 416
 417                                 printf_term("%s%s", (work == remote_errors) ? "" : ", ", opt);
 418                                 work = work->next;
 419                                 }
 420
 421                         printf_term(_("\nUse --remote-help for valid remote options.\n"));
 422                         }
 423
 424                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 425                 }
 426         g_list_free(remote_list);
 427
 428         if (list && list->next)
 429                 {
 430                 command_line->cmd_list = list;
 431                 }
 432         else
 433                 {
 434                 filelist_free(list);
 435                 command_line->cmd_list = NULL;
 436                 }
 437
 438         if (command_line->startup_blank)
 439                 {
 440                 g_free(command_line->path);
 441                 command_line->path = NULL;
 442                 g_free(command_line->file);
 443                 command_line->file = NULL;
 444                 filelist_free(command_line->cmd_list);
 445                 command_line->cmd_list = NULL;
 446                 string_list_free(command_line->collection_list);
 447                 command_line->collection_list = NULL;
 448                 }
 449 }
 450
 451 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 452 {
 453 #ifdef DEBUG
 454         const gchar *debug_option = "--debug";
 455         gint len = strlen(debug_option);
 456
 457         if (argc > 1)
 458                 {
 459                 gint i;
 460
 461                 for (i = 1; i < argc; i++)
 462                         {
 463                         const gchar *cmd_line = argv[i];
 464                         if (strncmp(cmd_line, debug_option, len) == 0)
 465                                 {
 466                                 gint cmd_line_len = strlen(cmd_line);
 467
 468                                 /* we now increment the debug state for verbosity */
 469                                 if (cmd_line_len == len)
 470                                         debug_level_add(1);
 471                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 472                                         {
 473                                         gint n = atoi(cmd_line + len + 1);
 474                                         if (n < 0) n = 1;
 475                                         debug_level_add(n);
 476                                         }
 477                                 }
 478                         }
 479                 }
 480
 481         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 482 #endif
 483 }
 484
 485 /*
 486  *-----------------------------------------------------------------------------
 487  * startup, init, and exit
 488  *-----------------------------------------------------------------------------
 489  */
 490
 491 #define RC_HISTORY_NAME "history"
 492
 493 static void setup_env_path(void)
 494 {
 495         const gchar *old_path = g_getenv("PATH");
 496         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 497         g_setenv("PATH", path, TRUE);
 498         g_free(path);
 499 }
 500
 501 static void keys_load(void)
 502 {
 503         gchar *path;
 504
 505         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 506         history_list_load(path);
 507         g_free(path);
 508 }
 509
 510 static void keys_save(void)
 511 {
 512         gchar *path;
 513
 514         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 515         history_list_save(path);
 516         g_free(path);
 517 }
 518
 519 static void mkdir_if_not_exists(const gchar *path)
 520 {
 521         if (isdir(path)) return;
 522
 523         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 524
 525         if (!recursive_mkdir_if_not_exists(path, 0755))
 526                 {
 527                 log_printf(_("Could not create dir:%s\n"), path);
 528                 }
 529 }
 530
 531
 532 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 533  * to improve the reliability in special cases (especially when disk is full)
 534  * These functions are now using secure saving stuff.
 535  */
 536 static void gq_accel_map_print(
 537                     gpointer    data,
 538                     const gchar *accel_path,
 539                     guint       accel_key,
 540                     GdkModifierType accel_mods,
 541                     gboolean    changed)
 542 {
 543         GString *gstring = g_string_new(changed ? NULL : "; ");
 544         SecureSaveInfo *ssi = data;
 545         gchar *tmp, *name;
 546
 547         g_string_append(gstring, "(gtk_accel_path \"");
 548
 549         tmp = g_strescape(accel_path, NULL);
 550         g_string_append(gstring, tmp);
 551         g_free(tmp);
 552
 553         g_string_append(gstring, "\" \"");
 554
 555         name = gtk_accelerator_name(accel_key, accel_mods);
 556         tmp = g_strescape(name, NULL);
 557         g_free(name);
 558         g_string_append(gstring, tmp);
 559         g_free(tmp);
 560
 561         g_string_append(gstring, "\")\n");
 562
 563         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 564
 565         g_string_free(gstring, TRUE);
 566 }
 567
 568 static gboolean gq_accel_map_save(const gchar *path)
 569 {
 570         gchar *pathl;
 571         SecureSaveInfo *ssi;
 572         GString *gstring;
 573
 574         pathl = path_from_utf8(path);
 575         ssi = secure_open(pathl);
 576         g_free(pathl);
 577         if (!ssi)
 578                 {
 579                 log_printf(_("error saving file: %s\n"), path);
 580                 return FALSE;
 581                 }
 582
 583         gstring = g_string_new("; ");
 584         if (g_get_prgname())
 585                 g_string_append(gstring, g_get_prgname());
 586         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 587         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 588         g_string_append(gstring, ";\n");
 589
 590         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 591
 592         g_string_free(gstring, TRUE);
 593
 594         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 595
 596         if (secure_close(ssi))
 597                 {
 598                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 599                            secsave_strerror(secsave_errno));
 600                 return FALSE;
 601                 }
 602
 603         return TRUE;
 604 }
 605
 606 static gchar *accep_map_filename(void)
 607 {
 608         return g_build_filename(get_rc_dir(), "accels", NULL);
 609 }
 610
 611 static void accel_map_save(void)
 612 {
 613         gchar *path;
 614
 615         path = accep_map_filename();
 616         gq_accel_map_save(path);
 617         g_free(path);
 618 }
 619
 620 static void accel_map_load(void)
 621 {
 622         gchar *path;
 623         gchar *pathl;
 624
 625         path = accep_map_filename();
 626         pathl = path_from_utf8(path);
 627         gtk_accel_map_load(pathl);
 628         g_free(pathl);
 629         g_free(path);
 630 }
 631
 632 static void gtkrc_load(void)
 633 {
 634         gchar *path;
 635         gchar *pathl;
 636
 637         /* If a gtkrc file exists in the rc directory, add it to the
 638          * list of files to be parsed at the end of gtk_init() */
 639         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 640         pathl = path_from_utf8(path);
 641         if (access(pathl, R_OK) == 0)
 642                 gtk_rc_add_default_file(pathl);
 643         g_free(pathl);
 644         g_free(path);
 645 }
 646
 647 static void exit_program_final(void)
 648 {
 649         LayoutWindow *lw = NULL;
 650
 651          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 652         layout_editors_reload_finish();
 653
 654         remote_close(remote_connection);
 655
 656         collect_manager_flush();
 657
 658         save_options(options);
 659         keys_save();
 660         accel_map_save();
 661
 662         if (layout_valid(&lw))
 663                 {
 664                 layout_free(lw);
 665                 }
 666
 667         secure_close(command_line->ssi);
 668
 669         gtk_main_quit();
 670 }
 671
 672 static GenericDialog *exit_dialog = NULL;
 673
 674 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 675 {
 676         exit_dialog = NULL;
 677         generic_dialog_close(gd);
 678 }
 679
 680 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 681 {
 682         exit_dialog = NULL;
 683         generic_dialog_close(gd);
 684         exit_program_final();
 685 }
 686
 687 static gint exit_confirm_dlg(void)
 688 {
 689         GtkWidget *parent;
 690         LayoutWindow *lw;
 691         gchar *msg;
 692
 693         if (exit_dialog)
 694                 {
 695                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 696                 return TRUE;
 697                 }
 698
 699         if (!collection_window_modified_exists()) return FALSE;
 700
 701         parent = NULL;
 702         lw = NULL;
 703         if (layout_valid(&lw))
 704                 {
 705                 parent = lw->window;
 706                 }
 707
 708         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 709         exit_dialog = generic_dialog_new(msg,
 710                                 "exit", parent, FALSE,
 711                                 exit_confirm_cancel_cb, NULL);
 712         g_free(msg);
 713         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 714         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 715                                    msg, _("Collections have been modified. Quit anyway?"));
 716         g_free(msg);
 717         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 718
 719         gtk_widget_show(exit_dialog->dialog);
 720
 721         return TRUE;
 722 }
 723
 724 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 725 {
 726         if (success) exit_program();
 727 }
 728
 729 void exit_program(void)
 730 {
 731         layout_image_full_screen_stop(NULL);
 732
 733         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 734
 735         if (exit_confirm_dlg()) return;
 736
 737         exit_program_final();
 738 }
 739
 740 /* This code is supposed to handle situation when a file mmaped by image_loader
 741  * or by exif loader is truncated by some other process.
 742  * This is probably not completely correct according to posix, because
 743  * mmap is not in the list of calls that can be used safely in signal handler,
 744  * but anyway, the handler is called in situation when the application would
 745  * crash otherwise.
 746  * Ideas for improvement are welcome ;)
 747  */
 748 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 749
 750 #if defined(SIGBUS) && defined(SA_SIGINFO)
 751 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 752 {
 753         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 754         DEBUG_1("SIGBUS %p", info->si_addr);
 755         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 756 }
 757 #endif
 758
 759 static void setup_sigbus_handler(void)
 760 {
 761 #if defined(SIGBUS) && defined(SA_SIGINFO)
 762         struct sigaction sigbus_action;
 763         sigfillset(&sigbus_action.sa_mask);
 764         sigbus_action.sa_sigaction = sigbus_handler_cb;
 765         sigbus_action.sa_flags = SA_SIGINFO;
 766
 767         sigaction(SIGBUS, &sigbus_action, NULL);
 768 #endif
 769 }
 770
 771 gint main(gint argc, gchar *argv[])
 772 {
 773         CollectionData *first_collection = NULL;
 774         gchar *buf;
 775         CollectionData *cd = NULL;
 776
 777 #ifdef HAVE_GTHREAD
 778 #if !GLIB_CHECK_VERSION(2,32,0)
 779         g_thread_init(NULL);
 780 #endif
 781         gdk_threads_init();
 782         gdk_threads_enter();
 783
 784 #endif
 785
 786         /* init execution time counter (debug only) */
 787         init_exec_time();
 788
 789         /* setup locale, i18n */
 790         setlocale(LC_ALL, "");
 791
 792 #ifdef ENABLE_NLS
 793         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 794         bind_textdomain_codeset(PACKAGE, "UTF-8");
 795         textdomain(PACKAGE);
 796 #endif
 797
 798         exif_init();
 799
 800 #ifdef HAVE_LUA
 801         lua_init();
 802 #endif
 803
 804         /* setup random seed for random slideshow */
 805         srand(time(NULL));
 806
 807         setup_sigbus_handler();
 808
 809         /* register global notify functions */
 810         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 811         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 812         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 813         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 814         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 815
 816
 817         gtkrc_load();
 818
 819         parse_command_line_for_debug_option(argc, argv);
 820         DEBUG_1("%s main: gtk_init", get_exec_time());
 821 #ifdef HAVE_CLUTTER
 822         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 823                 {
 824                 log_printf("Can't initialize clutter-gtk.\n");
 825                 exit(1);
 826                 }
 827 #else
 828         gtk_init(&argc, &argv);
 829 #endif
 830
 831         if (gtk_major_version < GTK_MAJOR_VERSION ||
 832             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 833                 {
 834                 log_printf("!!! This is a friendly warning.\n");
 835                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 836                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 837                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 838                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 839                 }
 840
 841         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 842         pixbuf_inline_register_stock_icons();
 843
 844         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 845         options = init_options(NULL);
 846         setup_default_options(options);
 847
 848         DEBUG_1("%s main: parse_command_line", get_exec_time());
 849         parse_command_line(argc, argv);
 850
 851         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 852         /* these functions don't depend on config file */
 853         mkdir_if_not_exists(get_rc_dir());
 854         mkdir_if_not_exists(get_collections_dir());
 855         mkdir_if_not_exists(get_thumbnails_cache_dir());
 856         mkdir_if_not_exists(get_metadata_cache_dir());
 857
 858         setup_env_path();
 859
 860         keys_load();
 861         accel_map_load();
 862
 863         /* restore session from the config file */
 864
 865
 866         DEBUG_1("%s main: load_options", get_exec_time());
 867         if (!load_options(options))
 868                 {
 869                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 870                 filter_add_defaults();
 871                 filter_rebuild();
 872                 }
 873
 874         /* handle missing config file and commandline additions*/
 875         if (!layout_window_list)
 876                 {
 877                 /* broken or no config file */
 878                 layout_new_from_config(NULL, NULL, TRUE);
 879                 }
 880
 881         layout_editors_reload_start();
 882
 883         if (command_line->collection_list && !command_line->startup_command_line_collection)
 884                 {
 885                 GList *work;
 886
 887                 work = command_line->collection_list;
 888                 while (work)
 889                         {
 890                         CollectWindow *cw;
 891                         const gchar *path;
 892
 893                         path = work->data;
 894                         work = work->next;
 895
 896                         cw = collection_window_new(path);
 897                         if (!first_collection && cw) first_collection = cw->cd;
 898                         }
 899                 }
 900
 901         if (command_line->log_file)
 902                 {
 903                 gchar *pathl;
 904                 gchar *path = g_strdup(command_line->log_file);
 905
 906                 pathl = path_from_utf8(path);
 907                 command_line->ssi = secure_open(pathl);
 908                 }
 909
 910         if (command_line->cmd_list ||
 911             (command_line->startup_command_line_collection && command_line->collection_list))
 912                 {
 913                 GList *work;
 914
 915                 if (command_line->startup_command_line_collection)
 916                         {
 917                         CollectWindow *cw;
 918
 919                         cw = collection_window_new("");
 920                         cd = cw->cd;
 921                         }
 922                 else
 923                         {
 924                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
 925                         }
 926
 927                 g_free(cd->path);
 928                 cd->path = NULL;
 929                 g_free(cd->name);
 930                 cd->name = g_strdup(_("Command line"));
 931
 932                 collection_path_changed(cd);
 933
 934                 work = command_line->cmd_list;
 935                 while (work)
 936                         {
 937                         collection_add(cd, (FileData *)work->data, FALSE);
 938                         work = work->next;
 939                         }
 940
 941                 work = command_line->collection_list;
 942                 while (work)
 943                         {
 944                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
 945                         work = work->next;
 946                         }
 947
 948                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
 949
 950                 /* mem leak, we never unref this collection when !startup_command_line_collection
 951                  * (the image view of the main window does not hold a ref to the collection)
 952                  * this is sort of unavoidable, for if it did hold a ref, next/back
 953                  * may not work as expected when closing collection windows.
 954                  *
 955                  * collection_unref(cd);
 956                  */
 957
 958                 }
 959         else if (first_collection)
 960                 {
 961                 layout_image_set_collection(NULL, first_collection,
 962                                             collection_get_first(first_collection));
 963                 }
 964
 965         buf = g_build_filename(get_rc_dir(), ".command", NULL);
 966         remote_connection = remote_server_init(buf, cd);
 967         g_free(buf);
 968
 969         DEBUG_1("%s main: gtk_main", get_exec_time());
 970         gtk_main();
 971 #ifdef HAVE_GTHREAD
 972         gdk_threads_leave();
 973 #endif
 974         return 0;
 975 }
 976 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */