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