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         gchar *pwd;
 226         gchar *current_dir;
 227
 228         command_line = g_new0(CommandLine, 1);
 229
 230         command_line->argc = argc;
 231         command_line->argv = argv;
 232         command_line->regexp = NULL;
 233
 234         if (argc > 1)
 235                 {
 236                 gint i;
 237                 gchar *base_dir = get_current_dir();
 238                 i = 1;
 239                 while (i < argc)
 240                         {
 241                         gchar *cmd_line = path_to_utf8(argv[i]);
 242                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 243
 244                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 245                                 {
 246                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 247                                 }
 248                         else if (isdir(cmd_all))
 249                                 {
 250                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 251                                 }
 252                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 253                                 {
 254                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 255                                                                 &list, &command_line->collection_list, &first_dir);
 256                                 }
 257                         else if (isfile(cmd_all))
 258                                 {
 259                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 260                                                                 &list, &command_line->collection_list, &first_dir);
 261                                 }
 262                         else if (is_collection(cmd_line))
 263                                 {
 264                                 gchar *path = NULL;
 265
 266                                 path = collection_path(cmd_line);
 267                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 268                                                                 &list, &command_line->collection_list, &first_dir);
 269                                 g_free(path);
 270                                 }
 271                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 272                                 {
 273                                 /* do nothing but do not produce warnings */
 274                                 }
 275                         else if (strcmp(cmd_line, "+t") == 0 ||
 276                                  strcmp(cmd_line, "--with-tools") == 0)
 277                                 {
 278                                 command_line->tools_show = TRUE;
 279
 280                                 remote_list = g_list_append(remote_list, "+t");
 281                                 }
 282                         else if (strcmp(cmd_line, "-t") == 0 ||
 283                                  strcmp(cmd_line, "--without-tools") == 0)
 284                                 {
 285                                 command_line->tools_hide = TRUE;
 286
 287                                 remote_list = g_list_append(remote_list, "-t");
 288                                 }
 289                         else if (strcmp(cmd_line, "-f") == 0 ||
 290                                  strcmp(cmd_line, "--fullscreen") == 0)
 291                                 {
 292                                 command_line->startup_full_screen = TRUE;
 293                                 }
 294                         else if (strcmp(cmd_line, "-s") == 0 ||
 295                                  strcmp(cmd_line, "--slideshow") == 0)
 296                                 {
 297                                 command_line->startup_in_slideshow = TRUE;
 298                                 }
 299                         else if (strcmp(cmd_line, "-l") == 0 ||
 300                                  strcmp(cmd_line, "--list") == 0)
 301                                 {
 302                                 command_line->startup_command_line_collection = TRUE;
 303                                 }
 304                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 305                                 {
 306                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 307                                 }
 308                         else if (strcmp(cmd_line, "-r") == 0 ||
 309                                  strcmp(cmd_line, "--remote") == 0)
 310                                 {
 311                                 if (!remote_do)
 312                                         {
 313                                         remote_do = TRUE;
 314                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 315                                         }
 316                                 }
 317                         else if ((strcmp(cmd_line, "+w") == 0) ||
 318                                                 strcmp(cmd_line, "--show-log-window") == 0)
 319                                 {
 320                                 command_line->log_window_show = TRUE;
 321                                 }
 322                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 323                                 {
 324                                 command_line->log_file = g_strdup(cmd_line + 3);
 325                                 }
 326                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 327                                 {
 328                                 command_line->log_file = g_strdup(cmd_line + 11);
 329                                 }
 330                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 331                                 {
 332                                 set_regexp(g_strdup(cmd_line+3));
 333                                 }
 334                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 335                                 {
 336                                 set_regexp(g_strdup(cmd_line+3));
 337                                 }
 338                         else if (strcmp(cmd_line, "-rh") == 0 ||
 339                                  strcmp(cmd_line, "--remote-help") == 0)
 340                                 {
 341                                 remote_help();
 342                                 exit(0);
 343                                 }
 344                         else if (strcmp(cmd_line, "--blank") == 0)
 345                                 {
 346                                 command_line->startup_blank = TRUE;
 347                                 }
 348                         else if (strcmp(cmd_line, "-v") == 0 ||
 349                                  strcmp(cmd_line, "--version") == 0)
 350                                 {
 351                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 352                                 exit(0);
 353                                 }
 354                         else if (strcmp(cmd_line, "--alternate") == 0)
 355                                 {
 356                                 /* enable faster experimental algorithm */
 357                                 log_printf("Alternate similarity algorithm enabled\n");
 358                                 image_sim_alternate_set(TRUE);
 359                                 }
 360                         else if (strcmp(cmd_line, "-h") == 0 ||
 361                                  strcmp(cmd_line, "--help") == 0)
 362                                 {
 363                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 364                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 365                                 print_term(FALSE, _("valid options are:\n"));
 366                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 367                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 368                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 369                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 370                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 371                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 372                                 print_term(FALSE, _("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 373                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 374                                 print_term(FALSE, _("  -rh,--remote-help                print remote command list\n"));
 375 #ifdef DEBUG
 376                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 377                                 print_term(FALSE, _("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 378 #endif
 379                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 380                                 print_term(FALSE, _("  -o:<file>, --log-file:<file>     save log data to file\n"));
 381                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 382                                 print_term(FALSE, _("  -h, --help                       show this message\n\n"));
 383
 384 #if 0
 385                                 /* these options are not officially supported!
 386                                  * only for testing new features, no need to translate them */
 387                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 388 #endif
 389
 390
 391                                 exit(0);
 392                                 }
 393                         else if (!remote_do)
 394                                 {
 395                                 printf_term(TRUE, _("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 396                                 }
 397
 398                         g_free(cmd_all);
 399                         g_free(cmd_line);
 400                         i++;
 401                         }
 402                 g_free(base_dir);
 403                 parse_out_relatives(command_line->path);
 404                 parse_out_relatives(command_line->file);
 405                 }
 406
 407         list = g_list_reverse(list);
 408
 409         if (!command_line->path && first_dir)
 410                 {
 411                 command_line->path = first_dir;
 412                 first_dir = NULL;
 413
 414                 parse_out_relatives(command_line->path);
 415                 }
 416         g_free(first_dir);
 417
 418         /* If Geeqie is already running, prevent a second instance
 419          * from being started. Open a new window instead.
 420          */
 421         app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 422         if (remote_server_exists(app_lock) && !remote_do)
 423                 {
 424                 remote_do = TRUE;
 425                 remote_list = g_list_append(remote_list, "--new-window");
 426         }
 427         g_free(app_lock);
 428
 429         if (remote_do)
 430                 {
 431                 if (remote_errors)
 432                         {
 433                         GList *work = remote_errors;
 434
 435                         printf_term(TRUE,_("Invalid or ignored remote options: "));
 436                         while (work)
 437                                 {
 438                                 gchar *opt = work->data;
 439
 440                                 printf_term(TRUE, "%s%s", (work == remote_errors) ? "" : ", ", opt);
 441                                 work = work->next;
 442                                 }
 443
 444                         printf_term(TRUE, _("\nUse --remote-help for valid remote options.\n"));
 445                         }
 446
 447                 /* prepend the current dir the remote command was made from,
 448                  * for use by any remote command that needs it
 449                  */
 450                 current_dir = g_get_current_dir();
 451                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 452                 remote_list = g_list_prepend(remote_list, pwd);
 453
 454                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 455                 g_free(pwd);
 456                 g_free(current_dir);
 457                 }
 458         g_list_free(remote_list);
 459
 460         if (list && list->next)
 461                 {
 462                 command_line->cmd_list = list;
 463                 }
 464         else
 465                 {
 466                 filelist_free(list);
 467                 command_line->cmd_list = NULL;
 468                 }
 469
 470         if (command_line->startup_blank)
 471                 {
 472                 g_free(command_line->path);
 473                 command_line->path = NULL;
 474                 g_free(command_line->file);
 475                 command_line->file = NULL;
 476                 filelist_free(command_line->cmd_list);
 477                 command_line->cmd_list = NULL;
 478                 string_list_free(command_line->collection_list);
 479                 command_line->collection_list = NULL;
 480                 }
 481 }
 482
 483 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 484 {
 485 #ifdef DEBUG
 486         const gchar *debug_option = "--debug";
 487         gint len = strlen(debug_option);
 488
 489         if (argc > 1)
 490                 {
 491                 gint i;
 492
 493                 for (i = 1; i < argc; i++)
 494                         {
 495                         const gchar *cmd_line = argv[i];
 496                         if (strncmp(cmd_line, debug_option, len) == 0)
 497                                 {
 498                                 gint cmd_line_len = strlen(cmd_line);
 499
 500                                 /* we now increment the debug state for verbosity */
 501                                 if (cmd_line_len == len)
 502                                         debug_level_add(1);
 503                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 504                                         {
 505                                         gint n = atoi(cmd_line + len + 1);
 506                                         if (n < 0) n = 1;
 507                                         debug_level_add(n);
 508                                         }
 509                                 }
 510                         }
 511                 }
 512
 513         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 514 #endif
 515 }
 516
 517 /*
 518  *-----------------------------------------------------------------------------
 519  * startup, init, and exit
 520  *-----------------------------------------------------------------------------
 521  */
 522
 523 #define RC_HISTORY_NAME "history"
 524 #define RC_MARKS_NAME "marks"
 525
 526 static void setup_env_path(void)
 527 {
 528         const gchar *old_path = g_getenv("PATH");
 529         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 530         g_setenv("PATH", path, TRUE);
 531         g_free(path);
 532 }
 533
 534 static void keys_load(void)
 535 {
 536         gchar *path;
 537
 538         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 539         history_list_load(path);
 540         g_free(path);
 541 }
 542
 543 static void keys_save(void)
 544 {
 545         gchar *path;
 546
 547         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 548         history_list_save(path);
 549         g_free(path);
 550 }
 551
 552 static void marks_load(void)
 553 {
 554         gchar *path;
 555
 556         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 557         marks_list_load(path);
 558         g_free(path);
 559 }
 560
 561 static void marks_save(gboolean save)
 562 {
 563         gchar *path;
 564
 565         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 566         marks_list_save(path, save);
 567         g_free(path);
 568 }
 569
 570 static void mkdir_if_not_exists(const gchar *path)
 571 {
 572         if (isdir(path)) return;
 573
 574         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 575
 576         if (!recursive_mkdir_if_not_exists(path, 0755))
 577                 {
 578                 log_printf(_("Could not create dir:%s\n"), path);
 579                 }
 580 }
 581
 582
 583 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 584  * to improve the reliability in special cases (especially when disk is full)
 585  * These functions are now using secure saving stuff.
 586  */
 587 static void gq_accel_map_print(
 588                     gpointer    data,
 589                     const gchar *accel_path,
 590                     guint       accel_key,
 591                     GdkModifierType accel_mods,
 592                     gboolean    changed)
 593 {
 594         GString *gstring = g_string_new(changed ? NULL : "; ");
 595         SecureSaveInfo *ssi = data;
 596         gchar *tmp, *name;
 597
 598         g_string_append(gstring, "(gtk_accel_path \"");
 599
 600         tmp = g_strescape(accel_path, NULL);
 601         g_string_append(gstring, tmp);
 602         g_free(tmp);
 603
 604         g_string_append(gstring, "\" \"");
 605
 606         name = gtk_accelerator_name(accel_key, accel_mods);
 607         tmp = g_strescape(name, NULL);
 608         g_free(name);
 609         g_string_append(gstring, tmp);
 610         g_free(tmp);
 611
 612         g_string_append(gstring, "\")\n");
 613
 614         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 615
 616         g_string_free(gstring, TRUE);
 617 }
 618
 619 static gboolean gq_accel_map_save(const gchar *path)
 620 {
 621         gchar *pathl;
 622         SecureSaveInfo *ssi;
 623         GString *gstring;
 624
 625         pathl = path_from_utf8(path);
 626         ssi = secure_open(pathl);
 627         g_free(pathl);
 628         if (!ssi)
 629                 {
 630                 log_printf(_("error saving file: %s\n"), path);
 631                 return FALSE;
 632                 }
 633
 634         gstring = g_string_new("; ");
 635         if (g_get_prgname())
 636                 g_string_append(gstring, g_get_prgname());
 637         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 638         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 639         g_string_append(gstring, ";\n");
 640
 641         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 642
 643         g_string_free(gstring, TRUE);
 644
 645         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 646
 647         if (secure_close(ssi))
 648                 {
 649                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 650                            secsave_strerror(secsave_errno));
 651                 return FALSE;
 652                 }
 653
 654         return TRUE;
 655 }
 656
 657 static gchar *accep_map_filename(void)
 658 {
 659         return g_build_filename(get_rc_dir(), "accels", NULL);
 660 }
 661
 662 static void accel_map_save(void)
 663 {
 664         gchar *path;
 665
 666         path = accep_map_filename();
 667         gq_accel_map_save(path);
 668         g_free(path);
 669 }
 670
 671 static void accel_map_load(void)
 672 {
 673         gchar *path;
 674         gchar *pathl;
 675
 676         path = accep_map_filename();
 677         pathl = path_from_utf8(path);
 678         gtk_accel_map_load(pathl);
 679         g_free(pathl);
 680         g_free(path);
 681 }
 682
 683 static void gtkrc_load(void)
 684 {
 685         gchar *path;
 686         gchar *pathl;
 687
 688         /* If a gtkrc file exists in the rc directory, add it to the
 689          * list of files to be parsed at the end of gtk_init() */
 690         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 691         pathl = path_from_utf8(path);
 692         if (access(pathl, R_OK) == 0)
 693                 gtk_rc_add_default_file(pathl);
 694         g_free(pathl);
 695         g_free(path);
 696 }
 697
 698 static void exit_program_final(void)
 699 {
 700         LayoutWindow *lw = NULL;
 701
 702          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 703         layout_editors_reload_finish();
 704
 705         remote_close(remote_connection);
 706
 707         collect_manager_flush();
 708
 709         save_options(options);
 710         keys_save();
 711         accel_map_save();
 712
 713         if (layout_valid(&lw))
 714                 {
 715                 layout_free(lw);
 716                 }
 717
 718         secure_close(command_line->ssi);
 719
 720         gtk_main_quit();
 721 }
 722
 723 static GenericDialog *exit_dialog = NULL;
 724
 725 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 726 {
 727         exit_dialog = NULL;
 728         generic_dialog_close(gd);
 729 }
 730
 731 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 732 {
 733         exit_dialog = NULL;
 734         generic_dialog_close(gd);
 735         exit_program_final();
 736 }
 737
 738 static gint exit_confirm_dlg(void)
 739 {
 740         GtkWidget *parent;
 741         LayoutWindow *lw;
 742         gchar *msg;
 743
 744         if (exit_dialog)
 745                 {
 746                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 747                 return TRUE;
 748                 }
 749
 750         if (!collection_window_modified_exists()) return FALSE;
 751
 752         parent = NULL;
 753         lw = NULL;
 754         if (layout_valid(&lw))
 755                 {
 756                 parent = lw->window;
 757                 }
 758
 759         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 760         exit_dialog = generic_dialog_new(msg,
 761                                 "exit", parent, FALSE,
 762                                 exit_confirm_cancel_cb, NULL);
 763         g_free(msg);
 764         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 765         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 766                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
 767         g_free(msg);
 768         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 769
 770         gtk_widget_show(exit_dialog->dialog);
 771
 772         return TRUE;
 773 }
 774
 775 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 776 {
 777         if (success) exit_program();
 778 }
 779
 780 void exit_program(void)
 781 {
 782         layout_image_full_screen_stop(NULL);
 783
 784         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 785
 786         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
 787
 788         if (exit_confirm_dlg()) return;
 789
 790         exit_program_final();
 791 }
 792
 793 /* This code is supposed to handle situation when a file mmaped by image_loader
 794  * or by exif loader is truncated by some other process.
 795  * This is probably not completely correct according to posix, because
 796  * mmap is not in the list of calls that can be used safely in signal handler,
 797  * but anyway, the handler is called in situation when the application would
 798  * crash otherwise.
 799  * Ideas for improvement are welcome ;)
 800  */
 801 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 802
 803 #if defined(SIGBUS) && defined(SA_SIGINFO)
 804 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 805 {
 806         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 807         DEBUG_1("SIGBUS %p", info->si_addr);
 808         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 809 }
 810 #endif
 811
 812 static void setup_sigbus_handler(void)
 813 {
 814 #if defined(SIGBUS) && defined(SA_SIGINFO)
 815         struct sigaction sigbus_action;
 816         sigfillset(&sigbus_action.sa_mask);
 817         sigbus_action.sa_sigaction = sigbus_handler_cb;
 818         sigbus_action.sa_flags = SA_SIGINFO;
 819
 820         sigaction(SIGBUS, &sigbus_action, NULL);
 821 #endif
 822 }
 823
 824 gint main(gint argc, gchar *argv[])
 825 {
 826         CollectionData *first_collection = NULL;
 827         gchar *buf;
 828         CollectionData *cd = NULL;
 829         gchar *app_lock;
 830
 831 #ifdef HAVE_GTHREAD
 832 #if !GLIB_CHECK_VERSION(2,32,0)
 833         g_thread_init(NULL);
 834 #endif
 835         gdk_threads_init();
 836         gdk_threads_enter();
 837
 838 #endif
 839
 840         /* init execution time counter (debug only) */
 841         init_exec_time();
 842
 843         /* setup locale, i18n */
 844         setlocale(LC_ALL, "");
 845
 846 #ifdef ENABLE_NLS
 847         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 848         bind_textdomain_codeset(PACKAGE, "UTF-8");
 849         textdomain(PACKAGE);
 850 #endif
 851
 852         exif_init();
 853
 854 #ifdef HAVE_LUA
 855         lua_init();
 856 #endif
 857
 858         /* setup random seed for random slideshow */
 859         srand(time(NULL));
 860
 861         setup_sigbus_handler();
 862
 863         /* register global notify functions */
 864         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 865         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 866         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 867         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 868         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 869
 870
 871         gtkrc_load();
 872
 873         parse_command_line_for_debug_option(argc, argv);
 874         DEBUG_1("%s main: gtk_init", get_exec_time());
 875 #ifdef HAVE_CLUTTER
 876         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 877                 {
 878                 log_printf("Can't initialize clutter-gtk.\n");
 879                 exit(1);
 880                 }
 881 #else
 882         gtk_init(&argc, &argv);
 883 #endif
 884
 885         if (gtk_major_version < GTK_MAJOR_VERSION ||
 886             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 887                 {
 888                 log_printf("!!! This is a friendly warning.\n");
 889                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 890                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 891                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 892                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 893                 }
 894
 895         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 896         pixbuf_inline_register_stock_icons();
 897
 898         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 899         options = init_options(NULL);
 900         setup_default_options(options);
 901
 902         DEBUG_1("%s main: parse_command_line", get_exec_time());
 903         parse_command_line(argc, argv);
 904
 905         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 906         /* these functions don't depend on config file */
 907         mkdir_if_not_exists(get_rc_dir());
 908         mkdir_if_not_exists(get_collections_dir());
 909         mkdir_if_not_exists(get_thumbnails_cache_dir());
 910         mkdir_if_not_exists(get_metadata_cache_dir());
 911
 912         setup_env_path();
 913
 914         keys_load();
 915         accel_map_load();
 916
 917         /* restore session from the config file */
 918
 919
 920         DEBUG_1("%s main: load_options", get_exec_time());
 921         if (!load_options(options))
 922                 {
 923                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 924                 filter_add_defaults();
 925                 filter_rebuild();
 926                 }
 927
 928         /* handle missing config file and commandline additions*/
 929         if (!layout_window_list)
 930                 {
 931                 /* broken or no config file */
 932                 layout_new_from_config(NULL, NULL, TRUE);
 933                 }
 934
 935         layout_editors_reload_start();
 936
 937         if (command_line->collection_list && !command_line->startup_command_line_collection)
 938                 {
 939                 GList *work;
 940
 941                 work = command_line->collection_list;
 942                 while (work)
 943                         {
 944                         CollectWindow *cw;
 945                         const gchar *path;
 946
 947                         path = work->data;
 948                         work = work->next;
 949
 950                         cw = collection_window_new(path);
 951                         if (!first_collection && cw) first_collection = cw->cd;
 952                         }
 953                 }
 954
 955         if (command_line->log_file)
 956                 {
 957                 gchar *pathl;
 958                 gchar *path = g_strdup(command_line->log_file);
 959
 960                 pathl = path_from_utf8(path);
 961                 command_line->ssi = secure_open(pathl);
 962                 }
 963
 964         if (command_line->cmd_list ||
 965             (command_line->startup_command_line_collection && command_line->collection_list))
 966                 {
 967                 GList *work;
 968
 969                 if (command_line->startup_command_line_collection)
 970                         {
 971                         CollectWindow *cw;
 972
 973                         cw = collection_window_new("");
 974                         cd = cw->cd;
 975                         }
 976                 else
 977                         {
 978                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
 979                         }
 980
 981                 g_free(cd->path);
 982                 cd->path = NULL;
 983                 g_free(cd->name);
 984                 cd->name = g_strdup(_("Command line"));
 985
 986                 collection_path_changed(cd);
 987
 988                 work = command_line->cmd_list;
 989                 while (work)
 990                         {
 991                         collection_add(cd, (FileData *)work->data, FALSE);
 992                         work = work->next;
 993                         }
 994
 995                 work = command_line->collection_list;
 996                 while (work)
 997                         {
 998                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
 999                         work = work->next;
1000                         }
1001
1002                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
1003
1004                 /* mem leak, we never unref this collection when !startup_command_line_collection
1005                  * (the image view of the main window does not hold a ref to the collection)
1006                  * this is sort of unavoidable, for if it did hold a ref, next/back
1007                  * may not work as expected when closing collection windows.
1008                  *
1009                  * collection_unref(cd);
1010                  */
1011
1012                 }
1013         else if (first_collection)
1014                 {
1015                 layout_image_set_collection(NULL, first_collection,
1016                                             collection_get_first(first_collection));
1017                 }
1018
1019         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1020         remote_connection = remote_server_init(buf, cd);
1021         g_free(buf);
1022
1023         marks_load();
1024
1025         DEBUG_1("%s main: gtk_main", get_exec_time());
1026         gtk_main();
1027 #ifdef HAVE_GTHREAD
1028         gdk_threads_leave();
1029 #endif
1030         return 0;
1031 }
1032 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */