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 (download_web_file(cmd_line, FALSE, NULL))
 263                                 {
 264                                 }
 265                         else if (is_collection(cmd_line))
 266                                 {
 267                                 gchar *path = NULL;
 268
 269                                 path = collection_path(cmd_line);
 270                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 271                                                                 &list, &command_line->collection_list, &first_dir);
 272                                 g_free(path);
 273                                 }
 274                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 275                                 {
 276                                 /* do nothing but do not produce warnings */
 277                                 }
 278                         else if (strcmp(cmd_line, "+t") == 0 ||
 279                                  strcmp(cmd_line, "--with-tools") == 0)
 280                                 {
 281                                 command_line->tools_show = TRUE;
 282
 283                                 remote_list = g_list_append(remote_list, "+t");
 284                                 }
 285                         else if (strcmp(cmd_line, "-t") == 0 ||
 286                                  strcmp(cmd_line, "--without-tools") == 0)
 287                                 {
 288                                 command_line->tools_hide = TRUE;
 289
 290                                 remote_list = g_list_append(remote_list, "-t");
 291                                 }
 292                         else if (strcmp(cmd_line, "-f") == 0 ||
 293                                  strcmp(cmd_line, "--fullscreen") == 0)
 294                                 {
 295                                 command_line->startup_full_screen = TRUE;
 296                                 }
 297                         else if (strcmp(cmd_line, "-s") == 0 ||
 298                                  strcmp(cmd_line, "--slideshow") == 0)
 299                                 {
 300                                 command_line->startup_in_slideshow = TRUE;
 301                                 }
 302                         else if (strcmp(cmd_line, "-l") == 0 ||
 303                                  strcmp(cmd_line, "--list") == 0)
 304                                 {
 305                                 command_line->startup_command_line_collection = TRUE;
 306                                 }
 307                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 308                                 {
 309                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 310                                 }
 311                         else if (strcmp(cmd_line, "-r") == 0 ||
 312                                  strcmp(cmd_line, "--remote") == 0)
 313                                 {
 314                                 if (!remote_do)
 315                                         {
 316                                         remote_do = TRUE;
 317                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 318                                         }
 319                                 }
 320                         else if ((strcmp(cmd_line, "+w") == 0) ||
 321                                                 strcmp(cmd_line, "--show-log-window") == 0)
 322                                 {
 323                                 command_line->log_window_show = TRUE;
 324                                 }
 325                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 326                                 {
 327                                 command_line->log_file = g_strdup(cmd_line + 3);
 328                                 }
 329                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 330                                 {
 331                                 command_line->log_file = g_strdup(cmd_line + 11);
 332                                 }
 333                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 334                                 {
 335                                 set_regexp(g_strdup(cmd_line+3));
 336                                 }
 337                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 338                                 {
 339                                 set_regexp(g_strdup(cmd_line+3));
 340                                 }
 341                         else if (strcmp(cmd_line, "-rh") == 0 ||
 342                                  strcmp(cmd_line, "--remote-help") == 0)
 343                                 {
 344                                 remote_help();
 345                                 exit(0);
 346                                 }
 347                         else if (strcmp(cmd_line, "--blank") == 0)
 348                                 {
 349                                 command_line->startup_blank = TRUE;
 350                                 }
 351                         else if (strcmp(cmd_line, "-v") == 0 ||
 352                                  strcmp(cmd_line, "--version") == 0)
 353                                 {
 354                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 355                                 exit(0);
 356                                 }
 357                         else if (strcmp(cmd_line, "--alternate") == 0)
 358                                 {
 359                                 /* enable faster experimental algorithm */
 360                                 log_printf("Alternate similarity algorithm enabled\n");
 361                                 image_sim_alternate_set(TRUE);
 362                                 }
 363                         else if (strcmp(cmd_line, "-h") == 0 ||
 364                                  strcmp(cmd_line, "--help") == 0)
 365                                 {
 366                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 367                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 368                                 print_term(FALSE, _("valid options are:\n"));
 369                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 370                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 371                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 372                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 373                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 374                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 375                                 print_term(FALSE, _("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 376                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 377                                 print_term(FALSE, _("  -rh,--remote-help                print remote command list\n"));
 378 #ifdef DEBUG
 379                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 380                                 print_term(FALSE, _("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 381 #endif
 382                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 383                                 print_term(FALSE, _("  -o:<file>, --log-file:<file>     save log data to file\n"));
 384                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 385                                 print_term(FALSE, _("  -h, --help                       show this message\n\n"));
 386
 387 #if 0
 388                                 /* these options are not officially supported!
 389                                  * only for testing new features, no need to translate them */
 390                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 391 #endif
 392
 393
 394                                 exit(0);
 395                                 }
 396                         else if (!remote_do)
 397                                 {
 398                                 printf_term(TRUE, _("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 399                                 }
 400
 401                         g_free(cmd_all);
 402                         g_free(cmd_line);
 403                         i++;
 404                         }
 405                 g_free(base_dir);
 406                 parse_out_relatives(command_line->path);
 407                 parse_out_relatives(command_line->file);
 408                 }
 409
 410         list = g_list_reverse(list);
 411
 412         if (!command_line->path && first_dir)
 413                 {
 414                 command_line->path = first_dir;
 415                 first_dir = NULL;
 416
 417                 parse_out_relatives(command_line->path);
 418                 }
 419         g_free(first_dir);
 420
 421         /* If Geeqie is already running, prevent a second instance
 422          * from being started. Open a new window instead.
 423          */
 424         app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 425         if (remote_server_exists(app_lock) && !remote_do)
 426                 {
 427                 remote_do = TRUE;
 428                 remote_list = g_list_append(remote_list, "--new-window");
 429         }
 430         g_free(app_lock);
 431
 432         if (remote_do)
 433                 {
 434                 if (remote_errors)
 435                         {
 436                         GList *work = remote_errors;
 437
 438                         printf_term(TRUE,_("Invalid or ignored remote options: "));
 439                         while (work)
 440                                 {
 441                                 gchar *opt = work->data;
 442
 443                                 printf_term(TRUE, "%s%s", (work == remote_errors) ? "" : ", ", opt);
 444                                 work = work->next;
 445                                 }
 446
 447                         printf_term(TRUE, _("\nUse --remote-help for valid remote options.\n"));
 448                         }
 449
 450                 /* prepend the current dir the remote command was made from,
 451                  * for use by any remote command that needs it
 452                  */
 453                 current_dir = g_get_current_dir();
 454                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 455                 remote_list = g_list_prepend(remote_list, pwd);
 456
 457                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 458                 g_free(pwd);
 459                 g_free(current_dir);
 460                 }
 461         g_list_free(remote_list);
 462
 463         if (list && list->next)
 464                 {
 465                 command_line->cmd_list = list;
 466                 }
 467         else
 468                 {
 469                 filelist_free(list);
 470                 command_line->cmd_list = NULL;
 471                 }
 472
 473         if (command_line->startup_blank)
 474                 {
 475                 g_free(command_line->path);
 476                 command_line->path = NULL;
 477                 g_free(command_line->file);
 478                 command_line->file = NULL;
 479                 filelist_free(command_line->cmd_list);
 480                 command_line->cmd_list = NULL;
 481                 string_list_free(command_line->collection_list);
 482                 command_line->collection_list = NULL;
 483                 }
 484 }
 485
 486 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 487 {
 488 #ifdef DEBUG
 489         const gchar *debug_option = "--debug";
 490         gint len = strlen(debug_option);
 491
 492         if (argc > 1)
 493                 {
 494                 gint i;
 495
 496                 for (i = 1; i < argc; i++)
 497                         {
 498                         const gchar *cmd_line = argv[i];
 499                         if (strncmp(cmd_line, debug_option, len) == 0)
 500                                 {
 501                                 gint cmd_line_len = strlen(cmd_line);
 502
 503                                 /* we now increment the debug state for verbosity */
 504                                 if (cmd_line_len == len)
 505                                         debug_level_add(1);
 506                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 507                                         {
 508                                         gint n = atoi(cmd_line + len + 1);
 509                                         if (n < 0) n = 1;
 510                                         debug_level_add(n);
 511                                         }
 512                                 }
 513                         }
 514                 }
 515
 516         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 517 #endif
 518 }
 519
 520 /*
 521  *-----------------------------------------------------------------------------
 522  * startup, init, and exit
 523  *-----------------------------------------------------------------------------
 524  */
 525
 526 #define RC_HISTORY_NAME "history"
 527 #define RC_MARKS_NAME "marks"
 528
 529 static void setup_env_path(void)
 530 {
 531         const gchar *old_path = g_getenv("PATH");
 532         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 533         g_setenv("PATH", path, TRUE);
 534         g_free(path);
 535 }
 536
 537 static void keys_load(void)
 538 {
 539         gchar *path;
 540
 541         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 542         history_list_load(path);
 543         g_free(path);
 544 }
 545
 546 static void keys_save(void)
 547 {
 548         gchar *path;
 549
 550         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 551         history_list_save(path);
 552         g_free(path);
 553 }
 554
 555 static void marks_load(void)
 556 {
 557         gchar *path;
 558
 559         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 560         marks_list_load(path);
 561         g_free(path);
 562 }
 563
 564 static void marks_save(gboolean save)
 565 {
 566         gchar *path;
 567
 568         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 569         marks_list_save(path, save);
 570         g_free(path);
 571 }
 572
 573 static void mkdir_if_not_exists(const gchar *path)
 574 {
 575         if (isdir(path)) return;
 576
 577         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 578
 579         if (!recursive_mkdir_if_not_exists(path, 0755))
 580                 {
 581                 log_printf(_("Could not create dir:%s\n"), path);
 582                 }
 583 }
 584
 585
 586 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 587  * to improve the reliability in special cases (especially when disk is full)
 588  * These functions are now using secure saving stuff.
 589  */
 590 static void gq_accel_map_print(
 591                     gpointer    data,
 592                     const gchar *accel_path,
 593                     guint       accel_key,
 594                     GdkModifierType accel_mods,
 595                     gboolean    changed)
 596 {
 597         GString *gstring = g_string_new(changed ? NULL : "; ");
 598         SecureSaveInfo *ssi = data;
 599         gchar *tmp, *name;
 600
 601         g_string_append(gstring, "(gtk_accel_path \"");
 602
 603         tmp = g_strescape(accel_path, NULL);
 604         g_string_append(gstring, tmp);
 605         g_free(tmp);
 606
 607         g_string_append(gstring, "\" \"");
 608
 609         name = gtk_accelerator_name(accel_key, accel_mods);
 610         tmp = g_strescape(name, NULL);
 611         g_free(name);
 612         g_string_append(gstring, tmp);
 613         g_free(tmp);
 614
 615         g_string_append(gstring, "\")\n");
 616
 617         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 618
 619         g_string_free(gstring, TRUE);
 620 }
 621
 622 static gboolean gq_accel_map_save(const gchar *path)
 623 {
 624         gchar *pathl;
 625         SecureSaveInfo *ssi;
 626         GString *gstring;
 627
 628         pathl = path_from_utf8(path);
 629         ssi = secure_open(pathl);
 630         g_free(pathl);
 631         if (!ssi)
 632                 {
 633                 log_printf(_("error saving file: %s\n"), path);
 634                 return FALSE;
 635                 }
 636
 637         gstring = g_string_new("; ");
 638         if (g_get_prgname())
 639                 g_string_append(gstring, g_get_prgname());
 640         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 641         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 642         g_string_append(gstring, ";\n");
 643
 644         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 645
 646         g_string_free(gstring, TRUE);
 647
 648         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 649
 650         if (secure_close(ssi))
 651                 {
 652                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 653                            secsave_strerror(secsave_errno));
 654                 return FALSE;
 655                 }
 656
 657         return TRUE;
 658 }
 659
 660 static gchar *accep_map_filename(void)
 661 {
 662         return g_build_filename(get_rc_dir(), "accels", NULL);
 663 }
 664
 665 static void accel_map_save(void)
 666 {
 667         gchar *path;
 668
 669         path = accep_map_filename();
 670         gq_accel_map_save(path);
 671         g_free(path);
 672 }
 673
 674 static void accel_map_load(void)
 675 {
 676         gchar *path;
 677         gchar *pathl;
 678
 679         path = accep_map_filename();
 680         pathl = path_from_utf8(path);
 681         gtk_accel_map_load(pathl);
 682         g_free(pathl);
 683         g_free(path);
 684 }
 685
 686 static void gtkrc_load(void)
 687 {
 688         gchar *path;
 689         gchar *pathl;
 690
 691         /* If a gtkrc file exists in the rc directory, add it to the
 692          * list of files to be parsed at the end of gtk_init() */
 693         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 694         pathl = path_from_utf8(path);
 695         if (access(pathl, R_OK) == 0)
 696                 gtk_rc_add_default_file(pathl);
 697         g_free(pathl);
 698         g_free(path);
 699 }
 700
 701 static void exit_program_final(void)
 702 {
 703         LayoutWindow *lw = NULL;
 704
 705          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 706         layout_editors_reload_finish();
 707
 708         remote_close(remote_connection);
 709
 710         collect_manager_flush();
 711
 712         save_options(options);
 713         keys_save();
 714         accel_map_save();
 715
 716         if (layout_valid(&lw))
 717                 {
 718                 layout_free(lw);
 719                 }
 720
 721         secure_close(command_line->ssi);
 722
 723         gtk_main_quit();
 724 }
 725
 726 static GenericDialog *exit_dialog = NULL;
 727
 728 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 729 {
 730         exit_dialog = NULL;
 731         generic_dialog_close(gd);
 732 }
 733
 734 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 735 {
 736         exit_dialog = NULL;
 737         generic_dialog_close(gd);
 738         exit_program_final();
 739 }
 740
 741 static gint exit_confirm_dlg(void)
 742 {
 743         GtkWidget *parent;
 744         LayoutWindow *lw;
 745         gchar *msg;
 746
 747         if (exit_dialog)
 748                 {
 749                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 750                 return TRUE;
 751                 }
 752
 753         if (!collection_window_modified_exists()) return FALSE;
 754
 755         parent = NULL;
 756         lw = NULL;
 757         if (layout_valid(&lw))
 758                 {
 759                 parent = lw->window;
 760                 }
 761
 762         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 763         exit_dialog = generic_dialog_new(msg,
 764                                 "exit", parent, FALSE,
 765                                 exit_confirm_cancel_cb, NULL);
 766         g_free(msg);
 767         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 768         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 769                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
 770         g_free(msg);
 771         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 772
 773         gtk_widget_show(exit_dialog->dialog);
 774
 775         return TRUE;
 776 }
 777
 778 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 779 {
 780         if (success) exit_program();
 781 }
 782
 783 void exit_program(void)
 784 {
 785         layout_image_full_screen_stop(NULL);
 786
 787         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 788
 789         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
 790
 791         if (exit_confirm_dlg()) return;
 792
 793         exit_program_final();
 794 }
 795
 796 /* This code is supposed to handle situation when a file mmaped by image_loader
 797  * or by exif loader is truncated by some other process.
 798  * This is probably not completely correct according to posix, because
 799  * mmap is not in the list of calls that can be used safely in signal handler,
 800  * but anyway, the handler is called in situation when the application would
 801  * crash otherwise.
 802  * Ideas for improvement are welcome ;)
 803  */
 804 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 805
 806 #if defined(SIGBUS) && defined(SA_SIGINFO)
 807 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 808 {
 809         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 810         DEBUG_1("SIGBUS %p", info->si_addr);
 811         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 812 }
 813 #endif
 814
 815 static void setup_sigbus_handler(void)
 816 {
 817 #if defined(SIGBUS) && defined(SA_SIGINFO)
 818         struct sigaction sigbus_action;
 819         sigfillset(&sigbus_action.sa_mask);
 820         sigbus_action.sa_sigaction = sigbus_handler_cb;
 821         sigbus_action.sa_flags = SA_SIGINFO;
 822
 823         sigaction(SIGBUS, &sigbus_action, NULL);
 824 #endif
 825 }
 826
 827 gint main(gint argc, gchar *argv[])
 828 {
 829         CollectionData *first_collection = NULL;
 830         gchar *buf;
 831         CollectionData *cd = NULL;
 832         gchar *app_lock;
 833
 834 #ifdef HAVE_GTHREAD
 835 #if !GLIB_CHECK_VERSION(2,32,0)
 836         g_thread_init(NULL);
 837 #endif
 838         gdk_threads_init();
 839         gdk_threads_enter();
 840
 841 #endif
 842
 843         /* init execution time counter (debug only) */
 844         init_exec_time();
 845
 846         /* setup locale, i18n */
 847         setlocale(LC_ALL, "");
 848
 849 #ifdef ENABLE_NLS
 850         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 851         bind_textdomain_codeset(PACKAGE, "UTF-8");
 852         textdomain(PACKAGE);
 853 #endif
 854
 855         exif_init();
 856
 857 #ifdef HAVE_LUA
 858         lua_init();
 859 #endif
 860
 861         /* setup random seed for random slideshow */
 862         srand(time(NULL));
 863
 864         setup_sigbus_handler();
 865
 866         /* register global notify functions */
 867         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 868         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 869         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 870         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 871         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 872
 873
 874         gtkrc_load();
 875
 876         parse_command_line_for_debug_option(argc, argv);
 877         DEBUG_1("%s main: gtk_init", get_exec_time());
 878 #ifdef HAVE_CLUTTER
 879         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 880                 {
 881                 log_printf("Can't initialize clutter-gtk.\n");
 882                 exit(1);
 883                 }
 884 #else
 885         gtk_init(&argc, &argv);
 886 #endif
 887
 888         if (gtk_major_version < GTK_MAJOR_VERSION ||
 889             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 890                 {
 891                 log_printf("!!! This is a friendly warning.\n");
 892                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 893                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 894                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 895                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 896                 }
 897
 898         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 899         pixbuf_inline_register_stock_icons();
 900
 901         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 902         options = init_options(NULL);
 903         setup_default_options(options);
 904
 905         DEBUG_1("%s main: parse_command_line", get_exec_time());
 906         parse_command_line(argc, argv);
 907
 908         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 909         /* these functions don't depend on config file */
 910         mkdir_if_not_exists(get_rc_dir());
 911         mkdir_if_not_exists(get_collections_dir());
 912         mkdir_if_not_exists(get_thumbnails_cache_dir());
 913         mkdir_if_not_exists(get_metadata_cache_dir());
 914
 915         setup_env_path();
 916
 917         keys_load();
 918         accel_map_load();
 919
 920         /* restore session from the config file */
 921
 922
 923         DEBUG_1("%s main: load_options", get_exec_time());
 924         if (!load_options(options))
 925                 {
 926                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 927                 filter_add_defaults();
 928                 filter_rebuild();
 929                 }
 930
 931         /* handle missing config file and commandline additions*/
 932         if (!layout_window_list)
 933                 {
 934                 /* broken or no config file */
 935                 layout_new_from_config(NULL, NULL, TRUE);
 936                 }
 937
 938         layout_editors_reload_start();
 939
 940         if (command_line->collection_list && !command_line->startup_command_line_collection)
 941                 {
 942                 GList *work;
 943
 944                 work = command_line->collection_list;
 945                 while (work)
 946                         {
 947                         CollectWindow *cw;
 948                         const gchar *path;
 949
 950                         path = work->data;
 951                         work = work->next;
 952
 953                         cw = collection_window_new(path);
 954                         if (!first_collection && cw) first_collection = cw->cd;
 955                         }
 956                 }
 957
 958         if (command_line->log_file)
 959                 {
 960                 gchar *pathl;
 961                 gchar *path = g_strdup(command_line->log_file);
 962
 963                 pathl = path_from_utf8(path);
 964                 command_line->ssi = secure_open(pathl);
 965                 }
 966
 967         if (command_line->cmd_list ||
 968             (command_line->startup_command_line_collection && command_line->collection_list))
 969                 {
 970                 GList *work;
 971
 972                 if (command_line->startup_command_line_collection)
 973                         {
 974                         CollectWindow *cw;
 975
 976                         cw = collection_window_new("");
 977                         cd = cw->cd;
 978                         }
 979                 else
 980                         {
 981                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
 982                         }
 983
 984                 g_free(cd->path);
 985                 cd->path = NULL;
 986                 g_free(cd->name);
 987                 cd->name = g_strdup(_("Command line"));
 988
 989                 collection_path_changed(cd);
 990
 991                 work = command_line->cmd_list;
 992                 while (work)
 993                         {
 994                         collection_add(cd, (FileData *)work->data, FALSE);
 995                         work = work->next;
 996                         }
 997
 998                 work = command_line->collection_list;
 999                 while (work)
1000                         {
1001                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
1002                         work = work->next;
1003                         }
1004
1005                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
1006
1007                 /* mem leak, we never unref this collection when !startup_command_line_collection
1008                  * (the image view of the main window does not hold a ref to the collection)
1009                  * this is sort of unavoidable, for if it did hold a ref, next/back
1010                  * may not work as expected when closing collection windows.
1011                  *
1012                  * collection_unref(cd);
1013                  */
1014
1015                 }
1016         else if (first_collection)
1017                 {
1018                 layout_image_set_collection(NULL, first_collection,
1019                                             collection_get_first(first_collection));
1020                 }
1021
1022         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1023         remote_connection = remote_server_init(buf, cd);
1024         g_free(buf);
1025
1026         marks_load();
1027
1028         DEBUG_1("%s main: gtk_main", get_exec_time());
1029         gtk_main();
1030 #ifdef HAVE_GTHREAD
1031         gdk_threads_leave();
1032 #endif
1033         return 0;
1034 }
1035 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */