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 gboolean is_collection(gchar *cmd_param)
 218 {
 219         gchar *path = NULL;
 220         gchar *full_name = NULL;
 221         gboolean result = FALSE;
 222
 223         if (file_extension_match(cmd_param, GQ_COLLECTION_EXT))
 224                 {
 225                 path = g_build_filename(get_collections_dir(), cmd_param, NULL);
 226                 }
 227         else if (file_extension_match(cmd_param, NULL))
 228                 {
 229                 full_name = g_strconcat(cmd_param, GQ_COLLECTION_EXT, NULL);
 230                 path = g_build_filename(get_collections_dir(), full_name, NULL);
 231                 }
 232
 233         if (isfile(path))
 234                 {
 235                 result = TRUE;
 236                 }
 237
 238         g_free(path);
 239         g_free(full_name);
 240         return result;
 241 }
 242
 243 static void parse_command_line(gint argc, gchar *argv[])
 244 {
 245         GList *list = NULL;
 246         GList *remote_list = NULL;
 247         GList *remote_errors = NULL;
 248         gboolean remote_do = FALSE;
 249         gchar *first_dir = NULL;
 250
 251         command_line = g_new0(CommandLine, 1);
 252
 253         command_line->argc = argc;
 254         command_line->argv = argv;
 255         command_line->regexp = NULL;
 256
 257         if (argc > 1)
 258                 {
 259                 gint i;
 260                 gchar *base_dir = get_current_dir();
 261                 i = 1;
 262                 while (i < argc)
 263                         {
 264                         gchar *cmd_line = path_to_utf8(argv[i]);
 265                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 266
 267                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 268                                 {
 269                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 270                                 }
 271                         else if (isdir(cmd_all))
 272                                 {
 273                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 274                                 }
 275                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 276                                 {
 277                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 278                                                                 &list, &command_line->collection_list, &first_dir);
 279                                 }
 280                         else if (isfile(cmd_all))
 281                                 {
 282                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 283                                                                 &list, &command_line->collection_list, &first_dir);
 284                                 }
 285                         else if (is_collection(cmd_line))
 286                                 {
 287                                 gchar *path = NULL;
 288                                 gchar *full_name = NULL;
 289
 290                                 if (file_extension_match(cmd_line, GQ_COLLECTION_EXT))
 291                                         {
 292                                         path = g_build_filename(get_collections_dir(), cmd_line, NULL);
 293                                         }
 294                                 else
 295                                         {
 296                                         full_name = g_strconcat(cmd_line, GQ_COLLECTION_EXT, NULL);
 297                                         path = g_build_filename(get_collections_dir(), full_name, NULL);
 298                                         }
 299                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 300                                                                 &list, &command_line->collection_list, &first_dir);
 301                                 g_free(path);
 302                                 g_free(full_name);
 303                                 }
 304                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 305                                 {
 306                                 /* do nothing but do not produce warnings */
 307                                 }
 308                         else if (strcmp(cmd_line, "+t") == 0 ||
 309                                  strcmp(cmd_line, "--with-tools") == 0)
 310                                 {
 311                                 command_line->tools_show = TRUE;
 312
 313                                 remote_list = g_list_append(remote_list, "+t");
 314                                 }
 315                         else if (strcmp(cmd_line, "-t") == 0 ||
 316                                  strcmp(cmd_line, "--without-tools") == 0)
 317                                 {
 318                                 command_line->tools_hide = TRUE;
 319
 320                                 remote_list = g_list_append(remote_list, "-t");
 321                                 }
 322                         else if (strcmp(cmd_line, "-f") == 0 ||
 323                                  strcmp(cmd_line, "--fullscreen") == 0)
 324                                 {
 325                                 command_line->startup_full_screen = TRUE;
 326                                 }
 327                         else if (strcmp(cmd_line, "-s") == 0 ||
 328                                  strcmp(cmd_line, "--slideshow") == 0)
 329                                 {
 330                                 command_line->startup_in_slideshow = TRUE;
 331                                 }
 332                         else if (strcmp(cmd_line, "-l") == 0 ||
 333                                  strcmp(cmd_line, "--list") == 0)
 334                                 {
 335                                 command_line->startup_command_line_collection = TRUE;
 336                                 }
 337                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 338                                 {
 339                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 340                                 }
 341                         else if (strcmp(cmd_line, "-r") == 0 ||
 342                                  strcmp(cmd_line, "--remote") == 0)
 343                                 {
 344                                 if (!remote_do)
 345                                         {
 346                                         remote_do = TRUE;
 347                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 348                                         }
 349                                 }
 350                         else if ((strcmp(cmd_line, "+w") == 0) ||
 351                                                 strcmp(cmd_line, "--show-log-window") == 0)
 352                                 {
 353                                 command_line->log_window_show = TRUE;
 354                                 }
 355                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 356                                 {
 357                                 command_line->log_file = g_strdup(cmd_line + 3);
 358                                 }
 359                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 360                                 {
 361                                 command_line->log_file = g_strdup(cmd_line + 11);
 362                                 }
 363                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 364                                 {
 365                                 set_regexp(g_strdup(cmd_line+3));
 366                                 }
 367                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 368                                 {
 369                                 set_regexp(g_strdup(cmd_line+3));
 370                                 }
 371                         else if (strcmp(cmd_line, "-rh") == 0 ||
 372                                  strcmp(cmd_line, "--remote-help") == 0)
 373                                 {
 374                                 remote_help();
 375                                 exit(0);
 376                                 }
 377                         else if (strcmp(cmd_line, "--blank") == 0)
 378                                 {
 379                                 command_line->startup_blank = TRUE;
 380                                 }
 381                         else if (strcmp(cmd_line, "-v") == 0 ||
 382                                  strcmp(cmd_line, "--version") == 0)
 383                                 {
 384                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 385                                 exit(0);
 386                                 }
 387                         else if (strcmp(cmd_line, "--alternate") == 0)
 388                                 {
 389                                 /* enable faster experimental algorithm */
 390                                 log_printf("Alternate similarity algorithm enabled\n");
 391                                 image_sim_alternate_set(TRUE);
 392                                 }
 393                         else if (strcmp(cmd_line, "-h") == 0 ||
 394                                  strcmp(cmd_line, "--help") == 0)
 395                                 {
 396                                 printf_term("%s %s\n", GQ_APPNAME, VERSION);
 397                                 printf_term(_("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 398                                 print_term(_("valid options are:\n"));
 399                                 print_term(_("  +t, --with-tools                 force show of tools\n"));
 400                                 print_term(_("  -t, --without-tools              force hide of tools\n"));
 401                                 print_term(_("  -f, --fullscreen                 start in full screen mode\n"));
 402                                 print_term(_("  -s, --slideshow                  start in slideshow mode\n"));
 403                                 print_term(_("  -l, --list [files] [collections] open collection window for command line\n"));
 404                                 print_term(_("      --blank                      start with blank file list\n"));
 405                                 print_term(_("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 406                                 print_term(_("  -r, --remote                     send following commands to open window\n"));
 407                                 print_term(_("  -rh,--remote-help                print remote command list\n"));
 408 #ifdef DEBUG
 409                                 print_term(_("      --debug[=level]              turn on debug output\n"));
 410                                 print_term(_("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 411 #endif
 412                                 print_term(_("  +w, --show-log-window            show log window\n"));
 413                                 print_term(_("  -o:<file>, --log-file:<file>     save log data to file\n"));
 414                                 print_term(_("  -v, --version                    print version info\n"));
 415                                 print_term(_("  -h, --help                       show this message\n\n"));
 416
 417 #if 0
 418                                 /* these options are not officially supported!
 419                                  * only for testing new features, no need to translate them */
 420                                 print_term(  "  --alternate                use alternate similarity algorithm\n");
 421 #endif
 422
 423
 424                                 exit(0);
 425                                 }
 426                         else if (!remote_do)
 427                                 {
 428                                 printf_term(_("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 429                                 }
 430
 431                         g_free(cmd_all);
 432                         g_free(cmd_line);
 433                         i++;
 434                         }
 435                 g_free(base_dir);
 436                 parse_out_relatives(command_line->path);
 437                 parse_out_relatives(command_line->file);
 438                 }
 439
 440         list = g_list_reverse(list);
 441
 442         if (!command_line->path && first_dir)
 443                 {
 444                 command_line->path = first_dir;
 445                 first_dir = NULL;
 446
 447                 parse_out_relatives(command_line->path);
 448                 }
 449         g_free(first_dir);
 450
 451         if (remote_do)
 452                 {
 453                 if (remote_errors)
 454                         {
 455                         GList *work = remote_errors;
 456
 457                         printf_term(_("Invalid or ignored remote options: "));
 458                         while (work)
 459                                 {
 460                                 gchar *opt = work->data;
 461
 462                                 printf_term("%s%s", (work == remote_errors) ? "" : ", ", opt);
 463                                 work = work->next;
 464                                 }
 465
 466                         printf_term(_("\nUse --remote-help for valid remote options.\n"));
 467                         }
 468
 469                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 470                 }
 471         g_list_free(remote_list);
 472
 473         if (list && list->next)
 474                 {
 475                 command_line->cmd_list = list;
 476                 }
 477         else
 478                 {
 479                 filelist_free(list);
 480                 command_line->cmd_list = NULL;
 481                 }
 482
 483         if (command_line->startup_blank)
 484                 {
 485                 g_free(command_line->path);
 486                 command_line->path = NULL;
 487                 g_free(command_line->file);
 488                 command_line->file = NULL;
 489                 filelist_free(command_line->cmd_list);
 490                 command_line->cmd_list = NULL;
 491                 string_list_free(command_line->collection_list);
 492                 command_line->collection_list = NULL;
 493                 }
 494 }
 495
 496 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 497 {
 498 #ifdef DEBUG
 499         const gchar *debug_option = "--debug";
 500         gint len = strlen(debug_option);
 501
 502         if (argc > 1)
 503                 {
 504                 gint i;
 505
 506                 for (i = 1; i < argc; i++)
 507                         {
 508                         const gchar *cmd_line = argv[i];
 509                         if (strncmp(cmd_line, debug_option, len) == 0)
 510                                 {
 511                                 gint cmd_line_len = strlen(cmd_line);
 512
 513                                 /* we now increment the debug state for verbosity */
 514                                 if (cmd_line_len == len)
 515                                         debug_level_add(1);
 516                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 517                                         {
 518                                         gint n = atoi(cmd_line + len + 1);
 519                                         if (n < 0) n = 1;
 520                                         debug_level_add(n);
 521                                         }
 522                                 }
 523                         }
 524                 }
 525
 526         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 527 #endif
 528 }
 529
 530 /*
 531  *-----------------------------------------------------------------------------
 532  * startup, init, and exit
 533  *-----------------------------------------------------------------------------
 534  */
 535
 536 #define RC_HISTORY_NAME "history"
 537
 538 static void setup_env_path(void)
 539 {
 540         const gchar *old_path = g_getenv("PATH");
 541         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 542         g_setenv("PATH", path, TRUE);
 543         g_free(path);
 544 }
 545
 546 static void keys_load(void)
 547 {
 548         gchar *path;
 549
 550         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 551         history_list_load(path);
 552         g_free(path);
 553 }
 554
 555 static void keys_save(void)
 556 {
 557         gchar *path;
 558
 559         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 560         history_list_save(path);
 561         g_free(path);
 562 }
 563
 564 static void mkdir_if_not_exists(const gchar *path)
 565 {
 566         if (isdir(path)) return;
 567
 568         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 569
 570         if (!recursive_mkdir_if_not_exists(path, 0755))
 571                 {
 572                 log_printf(_("Could not create dir:%s\n"), path);
 573                 }
 574 }
 575
 576
 577 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 578  * to improve the reliability in special cases (especially when disk is full)
 579  * These functions are now using secure saving stuff.
 580  */
 581 static void gq_accel_map_print(
 582                     gpointer    data,
 583                     const gchar *accel_path,
 584                     guint       accel_key,
 585                     GdkModifierType accel_mods,
 586                     gboolean    changed)
 587 {
 588         GString *gstring = g_string_new(changed ? NULL : "; ");
 589         SecureSaveInfo *ssi = data;
 590         gchar *tmp, *name;
 591
 592         g_string_append(gstring, "(gtk_accel_path \"");
 593
 594         tmp = g_strescape(accel_path, NULL);
 595         g_string_append(gstring, tmp);
 596         g_free(tmp);
 597
 598         g_string_append(gstring, "\" \"");
 599
 600         name = gtk_accelerator_name(accel_key, accel_mods);
 601         tmp = g_strescape(name, NULL);
 602         g_free(name);
 603         g_string_append(gstring, tmp);
 604         g_free(tmp);
 605
 606         g_string_append(gstring, "\")\n");
 607
 608         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 609
 610         g_string_free(gstring, TRUE);
 611 }
 612
 613 static gboolean gq_accel_map_save(const gchar *path)
 614 {
 615         gchar *pathl;
 616         SecureSaveInfo *ssi;
 617         GString *gstring;
 618
 619         pathl = path_from_utf8(path);
 620         ssi = secure_open(pathl);
 621         g_free(pathl);
 622         if (!ssi)
 623                 {
 624                 log_printf(_("error saving file: %s\n"), path);
 625                 return FALSE;
 626                 }
 627
 628         gstring = g_string_new("; ");
 629         if (g_get_prgname())
 630                 g_string_append(gstring, g_get_prgname());
 631         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 632         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 633         g_string_append(gstring, ";\n");
 634
 635         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 636
 637         g_string_free(gstring, TRUE);
 638
 639         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 640
 641         if (secure_close(ssi))
 642                 {
 643                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 644                            secsave_strerror(secsave_errno));
 645                 return FALSE;
 646                 }
 647
 648         return TRUE;
 649 }
 650
 651 static gchar *accep_map_filename(void)
 652 {
 653         return g_build_filename(get_rc_dir(), "accels", NULL);
 654 }
 655
 656 static void accel_map_save(void)
 657 {
 658         gchar *path;
 659
 660         path = accep_map_filename();
 661         gq_accel_map_save(path);
 662         g_free(path);
 663 }
 664
 665 static void accel_map_load(void)
 666 {
 667         gchar *path;
 668         gchar *pathl;
 669
 670         path = accep_map_filename();
 671         pathl = path_from_utf8(path);
 672         gtk_accel_map_load(pathl);
 673         g_free(pathl);
 674         g_free(path);
 675 }
 676
 677 static void gtkrc_load(void)
 678 {
 679         gchar *path;
 680         gchar *pathl;
 681
 682         /* If a gtkrc file exists in the rc directory, add it to the
 683          * list of files to be parsed at the end of gtk_init() */
 684         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 685         pathl = path_from_utf8(path);
 686         if (access(pathl, R_OK) == 0)
 687                 gtk_rc_add_default_file(pathl);
 688         g_free(pathl);
 689         g_free(path);
 690 }
 691
 692 static void exit_program_final(void)
 693 {
 694         LayoutWindow *lw = NULL;
 695
 696          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 697         layout_editors_reload_finish();
 698
 699         remote_close(remote_connection);
 700
 701         collect_manager_flush();
 702
 703         save_options(options);
 704         keys_save();
 705         accel_map_save();
 706
 707         if (layout_valid(&lw))
 708                 {
 709                 layout_free(lw);
 710                 }
 711
 712         secure_close(command_line->ssi);
 713
 714         gtk_main_quit();
 715 }
 716
 717 static GenericDialog *exit_dialog = NULL;
 718
 719 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 720 {
 721         exit_dialog = NULL;
 722         generic_dialog_close(gd);
 723 }
 724
 725 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 726 {
 727         exit_dialog = NULL;
 728         generic_dialog_close(gd);
 729         exit_program_final();
 730 }
 731
 732 static gint exit_confirm_dlg(void)
 733 {
 734         GtkWidget *parent;
 735         LayoutWindow *lw;
 736         gchar *msg;
 737
 738         if (exit_dialog)
 739                 {
 740                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 741                 return TRUE;
 742                 }
 743
 744         if (!collection_window_modified_exists()) return FALSE;
 745
 746         parent = NULL;
 747         lw = NULL;
 748         if (layout_valid(&lw))
 749                 {
 750                 parent = lw->window;
 751                 }
 752
 753         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 754         exit_dialog = generic_dialog_new(msg,
 755                                 "exit", parent, FALSE,
 756                                 exit_confirm_cancel_cb, NULL);
 757         g_free(msg);
 758         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 759         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 760                                    msg, _("Collections have been modified. Quit anyway?"));
 761         g_free(msg);
 762         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 763
 764         gtk_widget_show(exit_dialog->dialog);
 765
 766         return TRUE;
 767 }
 768
 769 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 770 {
 771         if (success) exit_program();
 772 }
 773
 774 void exit_program(void)
 775 {
 776         layout_image_full_screen_stop(NULL);
 777
 778         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 779
 780         if (exit_confirm_dlg()) return;
 781
 782         exit_program_final();
 783 }
 784
 785 /* This code is supposed to handle situation when a file mmaped by image_loader
 786  * or by exif loader is truncated by some other process.
 787  * This is probably not completely correct according to posix, because
 788  * mmap is not in the list of calls that can be used safely in signal handler,
 789  * but anyway, the handler is called in situation when the application would
 790  * crash otherwise.
 791  * Ideas for improvement are welcome ;)
 792  */
 793 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 794
 795 #if defined(SIGBUS) && defined(SA_SIGINFO)
 796 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 797 {
 798         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 799         DEBUG_1("SIGBUS %p", info->si_addr);
 800         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 801 }
 802 #endif
 803
 804 static void setup_sigbus_handler(void)
 805 {
 806 #if defined(SIGBUS) && defined(SA_SIGINFO)
 807         struct sigaction sigbus_action;
 808         sigfillset(&sigbus_action.sa_mask);
 809         sigbus_action.sa_sigaction = sigbus_handler_cb;
 810         sigbus_action.sa_flags = SA_SIGINFO;
 811
 812         sigaction(SIGBUS, &sigbus_action, NULL);
 813 #endif
 814 }
 815
 816 gint main(gint argc, gchar *argv[])
 817 {
 818         CollectionData *first_collection = NULL;
 819         gchar *buf;
 820         CollectionData *cd = NULL;
 821
 822 #ifdef HAVE_GTHREAD
 823 #if !GLIB_CHECK_VERSION(2,32,0)
 824         g_thread_init(NULL);
 825 #endif
 826         gdk_threads_init();
 827         gdk_threads_enter();
 828
 829 #endif
 830
 831         /* init execution time counter (debug only) */
 832         init_exec_time();
 833
 834         /* setup locale, i18n */
 835         setlocale(LC_ALL, "");
 836
 837 #ifdef ENABLE_NLS
 838         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 839         bind_textdomain_codeset(PACKAGE, "UTF-8");
 840         textdomain(PACKAGE);
 841 #endif
 842
 843         exif_init();
 844
 845 #ifdef HAVE_LUA
 846         lua_init();
 847 #endif
 848
 849         /* setup random seed for random slideshow */
 850         srand(time(NULL));
 851
 852         setup_sigbus_handler();
 853
 854         /* register global notify functions */
 855         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 856         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 857         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 858         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 859         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 860
 861
 862         gtkrc_load();
 863
 864         parse_command_line_for_debug_option(argc, argv);
 865         DEBUG_1("%s main: gtk_init", get_exec_time());
 866 #ifdef HAVE_CLUTTER
 867         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 868                 {
 869                 log_printf("Can't initialize clutter-gtk.\n");
 870                 exit(1);
 871                 }
 872 #else
 873         gtk_init(&argc, &argv);
 874 #endif
 875
 876         if (gtk_major_version < GTK_MAJOR_VERSION ||
 877             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 878                 {
 879                 log_printf("!!! This is a friendly warning.\n");
 880                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 881                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 882                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 883                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 884                 }
 885
 886         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 887         pixbuf_inline_register_stock_icons();
 888
 889         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 890         options = init_options(NULL);
 891         setup_default_options(options);
 892
 893         DEBUG_1("%s main: parse_command_line", get_exec_time());
 894         parse_command_line(argc, argv);
 895
 896         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 897         /* these functions don't depend on config file */
 898         mkdir_if_not_exists(get_rc_dir());
 899         mkdir_if_not_exists(get_collections_dir());
 900         mkdir_if_not_exists(get_thumbnails_cache_dir());
 901         mkdir_if_not_exists(get_metadata_cache_dir());
 902
 903         setup_env_path();
 904
 905         keys_load();
 906         accel_map_load();
 907
 908         /* restore session from the config file */
 909
 910
 911         DEBUG_1("%s main: load_options", get_exec_time());
 912         if (!load_options(options))
 913                 {
 914                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 915                 filter_add_defaults();
 916                 filter_rebuild();
 917                 }
 918
 919         /* handle missing config file and commandline additions*/
 920         if (!layout_window_list)
 921                 {
 922                 /* broken or no config file */
 923                 layout_new_from_config(NULL, NULL, TRUE);
 924                 }
 925
 926         layout_editors_reload_start();
 927
 928         if (command_line->collection_list && !command_line->startup_command_line_collection)
 929                 {
 930                 GList *work;
 931
 932                 work = command_line->collection_list;
 933                 while (work)
 934                         {
 935                         CollectWindow *cw;
 936                         const gchar *path;
 937
 938                         path = work->data;
 939                         work = work->next;
 940
 941                         cw = collection_window_new(path);
 942                         if (!first_collection && cw) first_collection = cw->cd;
 943                         }
 944                 }
 945
 946         if (command_line->log_file)
 947                 {
 948                 gchar *pathl;
 949                 gchar *path = g_strdup(command_line->log_file);
 950
 951                 pathl = path_from_utf8(path);
 952                 command_line->ssi = secure_open(pathl);
 953                 }
 954
 955         if (command_line->cmd_list ||
 956             (command_line->startup_command_line_collection && command_line->collection_list))
 957                 {
 958                 GList *work;
 959
 960                 if (command_line->startup_command_line_collection)
 961                         {
 962                         CollectWindow *cw;
 963
 964                         cw = collection_window_new("");
 965                         cd = cw->cd;
 966                         }
 967                 else
 968                         {
 969                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
 970                         }
 971
 972                 g_free(cd->path);
 973                 cd->path = NULL;
 974                 g_free(cd->name);
 975                 cd->name = g_strdup(_("Command line"));
 976
 977                 collection_path_changed(cd);
 978
 979                 work = command_line->cmd_list;
 980                 while (work)
 981                         {
 982                         collection_add(cd, (FileData *)work->data, FALSE);
 983                         work = work->next;
 984                         }
 985
 986                 work = command_line->collection_list;
 987                 while (work)
 988                         {
 989                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
 990                         work = work->next;
 991                         }
 992
 993                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
 994
 995                 /* mem leak, we never unref this collection when !startup_command_line_collection
 996                  * (the image view of the main window does not hold a ref to the collection)
 997                  * this is sort of unavoidable, for if it did hold a ref, next/back
 998                  * may not work as expected when closing collection windows.
 999                  *
1000                  * collection_unref(cd);
1001                  */
1002
1003                 }
1004         else if (first_collection)
1005                 {
1006                 layout_image_set_collection(NULL, first_collection,
1007                                             collection_get_first(first_collection));
1008                 }
1009
1010         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1011         remote_connection = remote_server_init(buf, cd);
1012         g_free(buf);
1013
1014         DEBUG_1("%s main: gtk_main", get_exec_time());
1015         gtk_main();
1016 #ifdef HAVE_GTHREAD
1017         gdk_threads_leave();
1018 #endif
1019         return 0;
1020 }
1021 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */