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         gchar *geometry = NULL;
 228
 229         command_line = g_new0(CommandLine, 1);
 230
 231         command_line->argc = argc;
 232         command_line->argv = argv;
 233         command_line->regexp = NULL;
 234
 235         if (argc > 1)
 236                 {
 237                 gint i;
 238                 gchar *base_dir = get_current_dir();
 239                 i = 1;
 240                 while (i < argc)
 241                         {
 242                         gchar *cmd_line = path_to_utf8(argv[i]);
 243                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 244
 245                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 246                                 {
 247                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 248                                 }
 249                         else if (isdir(cmd_all))
 250                                 {
 251                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 252                                 }
 253                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 254                                 {
 255                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 256                                                                 &list, &command_line->collection_list, &first_dir);
 257                                 }
 258                         else if (isfile(cmd_all))
 259                                 {
 260                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 261                                                                 &list, &command_line->collection_list, &first_dir);
 262                                 }
 263                         else if (download_web_file(cmd_line, FALSE, NULL))
 264                                 {
 265                                 }
 266                         else if (is_collection(cmd_line))
 267                                 {
 268                                 gchar *path = NULL;
 269
 270                                 path = collection_path(cmd_line);
 271                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 272                                                                 &list, &command_line->collection_list, &first_dir);
 273                                 g_free(path);
 274                                 }
 275                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 276                                 {
 277                                 /* do nothing but do not produce warnings */
 278                                 }
 279                         else if (strcmp(cmd_line, "+t") == 0 ||
 280                                  strcmp(cmd_line, "--with-tools") == 0)
 281                                 {
 282                                 command_line->tools_show = TRUE;
 283
 284                                 remote_list = g_list_append(remote_list, "+t");
 285                                 }
 286                         else if (strcmp(cmd_line, "-t") == 0 ||
 287                                  strcmp(cmd_line, "--without-tools") == 0)
 288                                 {
 289                                 command_line->tools_hide = TRUE;
 290
 291                                 remote_list = g_list_append(remote_list, "-t");
 292                                 }
 293                         else if (strcmp(cmd_line, "-f") == 0 ||
 294                                  strcmp(cmd_line, "--fullscreen") == 0)
 295                                 {
 296                                 command_line->startup_full_screen = TRUE;
 297                                 }
 298                         else if (strcmp(cmd_line, "-s") == 0 ||
 299                                  strcmp(cmd_line, "--slideshow") == 0)
 300                                 {
 301                                 command_line->startup_in_slideshow = TRUE;
 302                                 }
 303                         else if (strcmp(cmd_line, "-l") == 0 ||
 304                                  strcmp(cmd_line, "--list") == 0)
 305                                 {
 306                                 command_line->startup_command_line_collection = TRUE;
 307                                 }
 308                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 309                                 {
 310                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 311                                 }
 312                         else if (strcmp(cmd_line, "-r") == 0 ||
 313                                  strcmp(cmd_line, "--remote") == 0)
 314                                 {
 315                                 if (!remote_do)
 316                                         {
 317                                         remote_do = TRUE;
 318                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 319                                         }
 320                                 }
 321                         else if ((strcmp(cmd_line, "+w") == 0) ||
 322                                                 strcmp(cmd_line, "--show-log-window") == 0)
 323                                 {
 324                                 command_line->log_window_show = TRUE;
 325                                 }
 326                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 327                                 {
 328                                 command_line->log_file = g_strdup(cmd_line + 3);
 329                                 }
 330                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 331                                 {
 332                                 command_line->log_file = g_strdup(cmd_line + 11);
 333                                 }
 334                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 335                                 {
 336                                 set_regexp(g_strdup(cmd_line+3));
 337                                 }
 338                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 339                                 {
 340                                 set_regexp(g_strdup(cmd_line+3));
 341                                 }
 342                         else if (strncmp(cmd_line, "-n", 2) == 0)
 343                                 {
 344                                 command_line->new_instance = TRUE;
 345                                 }
 346                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 347                                 {
 348                                 command_line->new_instance = TRUE;
 349                                 }
 350                         else if (strcmp(cmd_line, "-rh") == 0 ||
 351                                  strcmp(cmd_line, "--remote-help") == 0)
 352                                 {
 353                                 remote_help();
 354                                 exit(0);
 355                                 }
 356                         else if (strcmp(cmd_line, "--blank") == 0)
 357                                 {
 358                                 command_line->startup_blank = TRUE;
 359                                 }
 360                         else if (strcmp(cmd_line, "-v") == 0 ||
 361                                  strcmp(cmd_line, "--version") == 0)
 362                                 {
 363                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 364                                 exit(0);
 365                                 }
 366                         else if (strcmp(cmd_line, "--alternate") == 0)
 367                                 {
 368                                 /* enable faster experimental algorithm */
 369                                 log_printf("Alternate similarity algorithm enabled\n");
 370                                 image_sim_alternate_set(TRUE);
 371                                 }
 372                         else if (strcmp(cmd_line, "-h") == 0 ||
 373                                  strcmp(cmd_line, "--help") == 0)
 374                                 {
 375                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 376                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 377                                 print_term(FALSE, _("valid options are:\n"));
 378                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 379                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 380                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 381                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 382                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 383                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 384                                 print_term(FALSE, _("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 385                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie\n"));
 386                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 387                                 print_term(FALSE, _("  -rh,--remote-help                print remote command list\n"));
 388 #ifdef DEBUG
 389                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 390                                 print_term(FALSE, _("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 391 #endif
 392                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 393                                 print_term(FALSE, _("  -o:<file>, --log-file:<file>     save log data to file\n"));
 394                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 395                                 print_term(FALSE, _("  -h, --help                       show this message\n\n"));
 396
 397 #if 0
 398                                 /* these options are not officially supported!
 399                                  * only for testing new features, no need to translate them */
 400                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 401 #endif
 402
 403
 404                                 exit(0);
 405                                 }
 406                         else if (!remote_do)
 407                                 {
 408                                 printf_term(TRUE, _("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
 409                                 }
 410
 411                         g_free(cmd_all);
 412                         g_free(cmd_line);
 413                         i++;
 414                         }
 415                 g_free(base_dir);
 416                 parse_out_relatives(command_line->path);
 417                 parse_out_relatives(command_line->file);
 418                 }
 419
 420         list = g_list_reverse(list);
 421
 422         if (!command_line->path && first_dir)
 423                 {
 424                 command_line->path = first_dir;
 425                 first_dir = NULL;
 426
 427                 parse_out_relatives(command_line->path);
 428                 }
 429         g_free(first_dir);
 430
 431         if (!command_line->new_instance)
 432                 {
 433                 /* If Geeqie is already running, prevent a second instance
 434                  * from being started. Open a new window instead.
 435                  */
 436                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 437                 if (remote_server_exists(app_lock) && !remote_do)
 438                         {
 439                         remote_do = TRUE;
 440                         if (command_line->geometry)
 441                                 {
 442                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 443                                 remote_list = g_list_prepend(remote_list, geometry);
 444                                 }
 445                         remote_list = g_list_prepend(remote_list, "--new-window");
 446                 }
 447                 g_free(app_lock);
 448                 }
 449
 450         if (remote_do)
 451                 {
 452                 if (remote_errors)
 453                         {
 454                         GList *work = remote_errors;
 455
 456                         printf_term(TRUE,_("Invalid or ignored remote options: "));
 457                         while (work)
 458                                 {
 459                                 gchar *opt = work->data;
 460
 461                                 printf_term(TRUE, "%s%s", (work == remote_errors) ? "" : ", ", opt);
 462                                 work = work->next;
 463                                 }
 464
 465                         printf_term(TRUE, _("\nUse --remote-help for valid remote options.\n"));
 466                         }
 467
 468                 /* prepend the current dir the remote command was made from,
 469                  * for use by any remote command that needs it
 470                  */
 471                 current_dir = g_get_current_dir();
 472                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 473                 remote_list = g_list_prepend(remote_list, pwd);
 474
 475                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 476                 g_free(pwd);
 477                 g_free(current_dir);
 478                 }
 479         g_free(geometry);
 480         g_list_free(remote_list);
 481
 482         if (list && list->next)
 483                 {
 484                 command_line->cmd_list = list;
 485                 }
 486         else
 487                 {
 488                 filelist_free(list);
 489                 command_line->cmd_list = NULL;
 490                 }
 491
 492         if (command_line->startup_blank)
 493                 {
 494                 g_free(command_line->path);
 495                 command_line->path = NULL;
 496                 g_free(command_line->file);
 497                 command_line->file = NULL;
 498                 filelist_free(command_line->cmd_list);
 499                 command_line->cmd_list = NULL;
 500                 string_list_free(command_line->collection_list);
 501                 command_line->collection_list = NULL;
 502                 }
 503 }
 504
 505 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 506 {
 507 #ifdef DEBUG
 508         const gchar *debug_option = "--debug";
 509         gint len = strlen(debug_option);
 510
 511         if (argc > 1)
 512                 {
 513                 gint i;
 514
 515                 for (i = 1; i < argc; i++)
 516                         {
 517                         const gchar *cmd_line = argv[i];
 518                         if (strncmp(cmd_line, debug_option, len) == 0)
 519                                 {
 520                                 gint cmd_line_len = strlen(cmd_line);
 521
 522                                 /* we now increment the debug state for verbosity */
 523                                 if (cmd_line_len == len)
 524                                         debug_level_add(1);
 525                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 526                                         {
 527                                         gint n = atoi(cmd_line + len + 1);
 528                                         if (n < 0) n = 1;
 529                                         debug_level_add(n);
 530                                         }
 531                                 }
 532                         }
 533                 }
 534
 535         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 536 #endif
 537 }
 538
 539 /*
 540  *-----------------------------------------------------------------------------
 541  * startup, init, and exit
 542  *-----------------------------------------------------------------------------
 543  */
 544
 545 #define RC_HISTORY_NAME "history"
 546 #define RC_MARKS_NAME "marks"
 547
 548 static void setup_env_path(void)
 549 {
 550         const gchar *old_path = g_getenv("PATH");
 551         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
 552         g_setenv("PATH", path, TRUE);
 553         g_free(path);
 554 }
 555
 556 static void keys_load(void)
 557 {
 558         gchar *path;
 559
 560         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 561         history_list_load(path);
 562         g_free(path);
 563 }
 564
 565 static void keys_save(void)
 566 {
 567         gchar *path;
 568
 569         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 570         history_list_save(path);
 571         g_free(path);
 572 }
 573
 574 static void marks_load(void)
 575 {
 576         gchar *path;
 577
 578         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 579         marks_list_load(path);
 580         g_free(path);
 581 }
 582
 583 static void marks_save(gboolean save)
 584 {
 585         gchar *path;
 586
 587         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 588         marks_list_save(path, save);
 589         g_free(path);
 590 }
 591
 592 static void mkdir_if_not_exists(const gchar *path)
 593 {
 594         if (isdir(path)) return;
 595
 596         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 597
 598         if (!recursive_mkdir_if_not_exists(path, 0755))
 599                 {
 600                 log_printf(_("Could not create dir:%s\n"), path);
 601                 }
 602 }
 603
 604
 605 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 606  * to improve the reliability in special cases (especially when disk is full)
 607  * These functions are now using secure saving stuff.
 608  */
 609 static void gq_accel_map_print(
 610                     gpointer    data,
 611                     const gchar *accel_path,
 612                     guint       accel_key,
 613                     GdkModifierType accel_mods,
 614                     gboolean    changed)
 615 {
 616         GString *gstring = g_string_new(changed ? NULL : "; ");
 617         SecureSaveInfo *ssi = data;
 618         gchar *tmp, *name;
 619
 620         g_string_append(gstring, "(gtk_accel_path \"");
 621
 622         tmp = g_strescape(accel_path, NULL);
 623         g_string_append(gstring, tmp);
 624         g_free(tmp);
 625
 626         g_string_append(gstring, "\" \"");
 627
 628         name = gtk_accelerator_name(accel_key, accel_mods);
 629         tmp = g_strescape(name, NULL);
 630         g_free(name);
 631         g_string_append(gstring, tmp);
 632         g_free(tmp);
 633
 634         g_string_append(gstring, "\")\n");
 635
 636         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 637
 638         g_string_free(gstring, TRUE);
 639 }
 640
 641 static gboolean gq_accel_map_save(const gchar *path)
 642 {
 643         gchar *pathl;
 644         SecureSaveInfo *ssi;
 645         GString *gstring;
 646
 647         pathl = path_from_utf8(path);
 648         ssi = secure_open(pathl);
 649         g_free(pathl);
 650         if (!ssi)
 651                 {
 652                 log_printf(_("error saving file: %s\n"), path);
 653                 return FALSE;
 654                 }
 655
 656         gstring = g_string_new("; ");
 657         if (g_get_prgname())
 658                 g_string_append(gstring, g_get_prgname());
 659         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 660         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 661         g_string_append(gstring, ";\n");
 662
 663         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 664
 665         g_string_free(gstring, TRUE);
 666
 667         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 668
 669         if (secure_close(ssi))
 670                 {
 671                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 672                            secsave_strerror(secsave_errno));
 673                 return FALSE;
 674                 }
 675
 676         return TRUE;
 677 }
 678
 679 static gchar *accep_map_filename(void)
 680 {
 681         return g_build_filename(get_rc_dir(), "accels", NULL);
 682 }
 683
 684 static void accel_map_save(void)
 685 {
 686         gchar *path;
 687
 688         path = accep_map_filename();
 689         gq_accel_map_save(path);
 690         g_free(path);
 691 }
 692
 693 static void accel_map_load(void)
 694 {
 695         gchar *path;
 696         gchar *pathl;
 697
 698         path = accep_map_filename();
 699         pathl = path_from_utf8(path);
 700         gtk_accel_map_load(pathl);
 701         g_free(pathl);
 702         g_free(path);
 703 }
 704
 705 static void gtkrc_load(void)
 706 {
 707         gchar *path;
 708         gchar *pathl;
 709
 710         /* If a gtkrc file exists in the rc directory, add it to the
 711          * list of files to be parsed at the end of gtk_init() */
 712         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 713         pathl = path_from_utf8(path);
 714         if (access(pathl, R_OK) == 0)
 715                 gtk_rc_add_default_file(pathl);
 716         g_free(pathl);
 717         g_free(path);
 718 }
 719
 720 static void exit_program_final(void)
 721 {
 722         LayoutWindow *lw = NULL;
 723
 724          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 725         layout_editors_reload_finish();
 726
 727         remote_close(remote_connection);
 728
 729         collect_manager_flush();
 730
 731         save_options(options);
 732         keys_save();
 733         accel_map_save();
 734
 735         if (layout_valid(&lw))
 736                 {
 737                 layout_free(lw);
 738                 }
 739
 740         secure_close(command_line->ssi);
 741
 742         gtk_main_quit();
 743 }
 744
 745 static GenericDialog *exit_dialog = NULL;
 746
 747 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 748 {
 749         exit_dialog = NULL;
 750         generic_dialog_close(gd);
 751 }
 752
 753 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 754 {
 755         exit_dialog = NULL;
 756         generic_dialog_close(gd);
 757         exit_program_final();
 758 }
 759
 760 static gint exit_confirm_dlg(void)
 761 {
 762         GtkWidget *parent;
 763         LayoutWindow *lw;
 764         gchar *msg;
 765
 766         if (exit_dialog)
 767                 {
 768                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 769                 return TRUE;
 770                 }
 771
 772         if (!collection_window_modified_exists()) return FALSE;
 773
 774         parent = NULL;
 775         lw = NULL;
 776         if (layout_valid(&lw))
 777                 {
 778                 parent = lw->window;
 779                 }
 780
 781         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 782         exit_dialog = generic_dialog_new(msg,
 783                                 "exit", parent, FALSE,
 784                                 exit_confirm_cancel_cb, NULL);
 785         g_free(msg);
 786         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 787         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 788                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
 789         g_free(msg);
 790         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 791
 792         gtk_widget_show(exit_dialog->dialog);
 793
 794         return TRUE;
 795 }
 796
 797 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 798 {
 799         if (success) exit_program();
 800 }
 801
 802 void exit_program(void)
 803 {
 804         layout_image_full_screen_stop(NULL);
 805
 806         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 807
 808         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
 809
 810         if (exit_confirm_dlg()) return;
 811
 812         exit_program_final();
 813 }
 814
 815 /* This code is supposed to handle situation when a file mmaped by image_loader
 816  * or by exif loader is truncated by some other process.
 817  * This is probably not completely correct according to posix, because
 818  * mmap is not in the list of calls that can be used safely in signal handler,
 819  * but anyway, the handler is called in situation when the application would
 820  * crash otherwise.
 821  * Ideas for improvement are welcome ;)
 822  */
 823 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
 824
 825 #if defined(SIGBUS) && defined(SA_SIGINFO)
 826 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 827 {
 828         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 829         DEBUG_1("SIGBUS %p", info->si_addr);
 830         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 831 }
 832 #endif
 833
 834 static void setup_sigbus_handler(void)
 835 {
 836 #if defined(SIGBUS) && defined(SA_SIGINFO)
 837         struct sigaction sigbus_action;
 838         sigfillset(&sigbus_action.sa_mask);
 839         sigbus_action.sa_sigaction = sigbus_handler_cb;
 840         sigbus_action.sa_flags = SA_SIGINFO;
 841
 842         sigaction(SIGBUS, &sigbus_action, NULL);
 843 #endif
 844 }
 845
 846 gint main(gint argc, gchar *argv[])
 847 {
 848         CollectionData *first_collection = NULL;
 849         gchar *buf;
 850         CollectionData *cd = NULL;
 851
 852 #ifdef HAVE_GTHREAD
 853 #if !GLIB_CHECK_VERSION(2,32,0)
 854         g_thread_init(NULL);
 855 #endif
 856         gdk_threads_init();
 857         gdk_threads_enter();
 858
 859 #endif
 860
 861         /* init execution time counter (debug only) */
 862         init_exec_time();
 863
 864         /* setup locale, i18n */
 865         setlocale(LC_ALL, "");
 866
 867 #ifdef ENABLE_NLS
 868         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
 869         bind_textdomain_codeset(PACKAGE, "UTF-8");
 870         textdomain(PACKAGE);
 871 #endif
 872
 873         exif_init();
 874
 875 #ifdef HAVE_LUA
 876         lua_init();
 877 #endif
 878
 879         /* setup random seed for random slideshow */
 880         srand(time(NULL));
 881
 882         setup_sigbus_handler();
 883
 884         /* register global notify functions */
 885         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 886         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 887         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
 888         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 889         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
 890
 891
 892         gtkrc_load();
 893
 894         parse_command_line_for_debug_option(argc, argv);
 895         DEBUG_1("%s main: gtk_init", get_exec_time());
 896 #ifdef HAVE_CLUTTER
 897         if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
 898                 {
 899                 log_printf("Can't initialize clutter-gtk.\n");
 900                 exit(1);
 901                 }
 902 #else
 903         gtk_init(&argc, &argv);
 904 #endif
 905
 906         if (gtk_major_version < GTK_MAJOR_VERSION ||
 907             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
 908                 {
 909                 log_printf("!!! This is a friendly warning.\n");
 910                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
 911                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
 912                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
 913                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
 914                 }
 915
 916         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
 917         pixbuf_inline_register_stock_icons();
 918
 919         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
 920         options = init_options(NULL);
 921         setup_default_options(options);
 922
 923         DEBUG_1("%s main: parse_command_line", get_exec_time());
 924         parse_command_line(argc, argv);
 925
 926         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
 927         /* these functions don't depend on config file */
 928         mkdir_if_not_exists(get_rc_dir());
 929         mkdir_if_not_exists(get_collections_dir());
 930         mkdir_if_not_exists(get_thumbnails_cache_dir());
 931         mkdir_if_not_exists(get_metadata_cache_dir());
 932         mkdir_if_not_exists(get_window_layouts_dir());
 933
 934         setup_env_path();
 935
 936         keys_load();
 937         accel_map_load();
 938
 939         /* restore session from the config file */
 940
 941
 942         DEBUG_1("%s main: load_options", get_exec_time());
 943         if (!load_options(options))
 944                 {
 945                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
 946                 filter_add_defaults();
 947                 filter_rebuild();
 948                 }
 949
 950         /* handle missing config file and commandline additions*/
 951         if (!layout_window_list)
 952                 {
 953                 /* broken or no config file */
 954                 layout_new_from_config(NULL, NULL, TRUE);
 955                 }
 956
 957         layout_editors_reload_start();
 958
 959         if (command_line->collection_list && !command_line->startup_command_line_collection)
 960                 {
 961                 GList *work;
 962
 963                 work = command_line->collection_list;
 964                 while (work)
 965                         {
 966                         CollectWindow *cw;
 967                         const gchar *path;
 968
 969                         path = work->data;
 970                         work = work->next;
 971
 972                         cw = collection_window_new(path);
 973                         if (!first_collection && cw) first_collection = cw->cd;
 974                         }
 975                 }
 976
 977         if (command_line->log_file)
 978                 {
 979                 gchar *pathl;
 980                 gchar *path = g_strdup(command_line->log_file);
 981
 982                 pathl = path_from_utf8(path);
 983                 command_line->ssi = secure_open(pathl);
 984                 }
 985
 986         if (command_line->cmd_list ||
 987             (command_line->startup_command_line_collection && command_line->collection_list))
 988                 {
 989                 GList *work;
 990
 991                 if (command_line->startup_command_line_collection)
 992                         {
 993                         CollectWindow *cw;
 994
 995                         cw = collection_window_new("");
 996                         cd = cw->cd;
 997                         }
 998                 else
 999                         {
1000                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
1001                         }
1002
1003                 g_free(cd->path);
1004                 cd->path = NULL;
1005                 g_free(cd->name);
1006                 cd->name = g_strdup(_("Command line"));
1007
1008                 collection_path_changed(cd);
1009
1010                 work = command_line->cmd_list;
1011                 while (work)
1012                         {
1013                         collection_add(cd, (FileData *)work->data, FALSE);
1014                         work = work->next;
1015                         }
1016
1017                 work = command_line->collection_list;
1018                 while (work)
1019                         {
1020                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
1021                         work = work->next;
1022                         }
1023
1024                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
1025
1026                 /* mem leak, we never unref this collection when !startup_command_line_collection
1027                  * (the image view of the main window does not hold a ref to the collection)
1028                  * this is sort of unavoidable, for if it did hold a ref, next/back
1029                  * may not work as expected when closing collection windows.
1030                  *
1031                  * collection_unref(cd);
1032                  */
1033
1034                 }
1035         else if (first_collection)
1036                 {
1037                 layout_image_set_collection(NULL, first_collection,
1038                                             collection_get_first(first_collection));
1039                 }
1040
1041         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1042         remote_connection = remote_server_init(buf, cd);
1043         g_free(buf);
1044
1045         marks_load();
1046
1047         DEBUG_1("%s main: gtk_main", get_exec_time());
1048         gtk_main();
1049 #ifdef HAVE_GTHREAD
1050         gdk_threads_leave();
1051 #endif
1052         return 0;
1053 }
1054 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */