src/main.cc

   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 <signal.h>
  23 #include <sys/mman.h>
  24
  25 #ifdef G_OS_UNIX
  26 #include <pwd.h>
  27 #endif
  28 #include <locale.h>
  29
  30 #include "main.h"
  31
  32 #include "cache.h"
  33 #include "collect.h"
  34 #include "collect-io.h"
  35 #include "filedata.h"
  36 #include "filefilter.h"
  37 #include "history-list.h"
  38 #include "image.h"
  39 #include "img-view.h"
  40 #include "layout-image.h"
  41 #include "layout-util.h"
  42 #include "misc.h"
  43 #include "rcfile.h"
  44 #include "remote.h"
  45 #include "secure-save.h"
  46 #include "ui-fileops.h"
  47 #include "ui-utildlg.h"
  48 #include "cache-maint.h"
  49 #include "thumb.h"
  50 #include "metadata.h"
  51 #include "exif.h"
  52 #include "histogram.h"
  53 #include "pixbuf-util.h"
  54 #include "glua.h"
  55 #include "whereami.h"
  56
  57 #ifdef HAVE_CLUTTER
  58 #include <clutter-gtk/clutter-gtk.h>
  59 #endif
  60
  61 #ifdef HAVE_EXECINFO_H
  62 #include <execinfo.h>
  63 #endif
  64
  65 gboolean thumb_format_changed = FALSE;
  66 static RemoteConnection *remote_connection = NULL;
  67
  68 gchar *gq_prefix;
  69 gchar *gq_localedir;
  70 gchar *gq_helpdir;
  71 gchar *gq_htmldir;
  72 gchar *gq_appdir;
  73 gchar *gq_bindir;
  74 gchar *gq_executable_path;
  75 gchar *desktop_file_template;
  76 gchar *instance_identifier;
  77
  78 #if defined(SA_SIGINFO)
  79 void sig_handler_cb(int signo, siginfo_t *info, void *UNUSED(context))
  80 {
  81         gchar hex_char[16];
  82         const gchar *signal_name = NULL;
  83         gint i = 0;
  84         guint64 addr;
  85         guint64 char_index;
  86         ssize_t len;
  87 #ifdef HAVE_EXECINFO_H
  88         gint bt_size;
  89         void *bt[1024];
  90 #endif
  91         struct signals
  92                 {
  93                 gint sig_no;
  94                 const gchar *sig_name;
  95                 };
  96         struct signals signals_list[7];
  97
  98         signals_list[0].sig_no = SIGABRT;
  99         signals_list[0].sig_name = "Abort";
 100         signals_list[1].sig_no = SIGBUS;
 101         signals_list[1].sig_name = "Bus error";
 102         signals_list[2].sig_no = SIGFPE;
 103         signals_list[2].sig_name = "Floating-point exception";
 104         signals_list[3].sig_no = SIGILL;
 105         signals_list[3].sig_name = "Illegal instruction";
 106         signals_list[4].sig_no = SIGIOT;
 107         signals_list[4].sig_name = "IOT trap";
 108         signals_list[5].sig_no = SIGSEGV;
 109         signals_list[5].sig_name = "Invalid memory reference";
 110         signals_list[6].sig_no = -1;
 111         signals_list[6].sig_name = "END";
 112
 113         hex_char[0] = '0';
 114         hex_char[1] = '1';
 115         hex_char[2] = '2';
 116         hex_char[3] = '3';
 117         hex_char[4] = '4';
 118         hex_char[5] = '5';
 119         hex_char[6] = '6';
 120         hex_char[7] = '7';
 121         hex_char[8] = '8';
 122         hex_char[9] = '9';
 123         hex_char[10] = 'a';
 124         hex_char[11] = 'b';
 125         hex_char[12] = 'c';
 126         hex_char[13] = 'd';
 127         hex_char[14] = 'e';
 128         hex_char[15] = 'f';
 129
 130         signal_name = "Unknown signal";
 131         while (signals_list[i].sig_no != -1)
 132                 {
 133                 if (signo == signals_list[i].sig_no)
 134                         {
 135                         signal_name = signals_list[i].sig_name;
 136                         break;
 137                         }
 138                 i++;
 139                 }
 140
 141         len = write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 142         len = write(STDERR_FILENO, "Signal: ", 8);
 143         len = write(STDERR_FILENO, signal_name, strlen(signal_name));
 144         len = write(STDERR_FILENO, "\n", 1);
 145
 146         len = write(STDERR_FILENO, "Code: ", 6);
 147         len = write(STDERR_FILENO,  (info->si_code == SEGV_MAPERR) ? "Address not mapped" : "Invalid permissions", strlen((info->si_code == SEGV_MAPERR) ? "Address not mapped" : "Invalid permissions"));
 148         len = write(STDERR_FILENO, "\n", 1);
 149
 150         len = write(STDERR_FILENO, "Address: ", 9);
 151
 152         if (info->si_addr == 0)
 153                 {
 154                 len = write(STDERR_FILENO, "0x0\n", 4);
 155                 }
 156         else
 157                 {
 158                 /* Assume the address is 64-bit */
 159                 len = write(STDERR_FILENO, "0x", 2);
 160                 addr = reinterpret_cast<guint64>(info->si_addr);
 161
 162                 for (i = 0; i < 16; i++)
 163                         {
 164                         char_index = addr & 0xf000000000000000;
 165                         char_index = char_index >> 60;
 166                         addr = addr << 4;
 167
 168                         len = write(STDERR_FILENO, &hex_char[char_index], 1);
 169                         }
 170                 len = write(STDERR_FILENO, "\n", 1);
 171                 }
 172
 173 #ifdef HAVE_EXECINFO_H
 174         bt_size = backtrace(bt, 1024);
 175         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 176 #endif
 177
 178         exit(EXIT_FAILURE);
 179 }
 180 #else /* defined(SA_SIGINFO) */
 181 void sig_handler_cb(int UNUSED(signo))
 182 {
 183 #ifdef HAVE_EXECINFO_H
 184         gint bt_size;
 185         void *bt[1024];
 186 #endif
 187
 188         write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 189         write(STDERR_FILENO, "Signal: Segmentation fault\n", 27);
 190
 191 #ifdef HAVE_EXECINFO_H
 192         bt_size = backtrace(bt, 1024);
 193         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 194 #endif
 195
 196         exit(EXIT_FAILURE);
 197 }
 198 #endif /* defined(SA_SIGINFO) */
 199
 200 /*
 201  *-----------------------------------------------------------------------------
 202  * keyboard functions
 203  *-----------------------------------------------------------------------------
 204  */
 205
 206 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
 207 {
 208         static gint delta = 0;
 209         static guint32 time_old = 0;
 210         static guint keyval_old = 0;
 211
 212         if (event->state & GDK_CONTROL_MASK)
 213                 {
 214                 if (*x < 0) *x = G_MININT / 2;
 215                 if (*x > 0) *x = G_MAXINT / 2;
 216                 if (*y < 0) *y = G_MININT / 2;
 217                 if (*y > 0) *y = G_MAXINT / 2;
 218
 219                 return;
 220                 }
 221
 222         if (options->progressive_key_scrolling)
 223                 {
 224                 guint32 time_diff;
 225
 226                 time_diff = event->time - time_old;
 227
 228                 /* key pressed within 125ms ? (1/8 second) */
 229                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 230
 231                 time_old = event->time;
 232                 keyval_old = event->keyval;
 233
 234                 delta += 2;
 235                 }
 236         else
 237                 {
 238                 delta = 8;
 239                 }
 240
 241         *x = *x * delta * options->keyboard_scroll_step;
 242         *y = *y * delta * options->keyboard_scroll_step;
 243 }
 244
 245
 246
 247 /*
 248  *-----------------------------------------------------------------------------
 249  * command line parser (private) hehe, who needs popt anyway?
 250  *-----------------------------------------------------------------------------
 251  */
 252
 253 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 254                                         GList **list, GList **collection_list)
 255 {
 256         gchar *path_parsed;
 257
 258         path_parsed = g_strdup(file_path);
 259         parse_out_relatives(path_parsed);
 260
 261         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 262                 {
 263                 *collection_list = g_list_append(*collection_list, path_parsed);
 264                 }
 265         else
 266                 {
 267                 if (!*path) *path = remove_level_from_path(path_parsed);
 268                 if (!*file) *file = g_strdup(path_parsed);
 269                 *list = g_list_prepend(*list, path_parsed);
 270                 }
 271 }
 272
 273 static void parse_command_line_add_dir(const gchar *dir, gchar **UNUSED(path), gchar **UNUSED(file),
 274                                        GList **UNUSED(list))
 275 {
 276 #if 0
 277         /* This is broken because file filter is not initialized yet.
 278         */
 279         GList *files;
 280         gchar *path_parsed;
 281         FileData *dir_fd;
 282
 283         path_parsed = g_strdup(dir);
 284         parse_out_relatives(path_parsed);
 285         dir_fd = file_data_new_dir(path_parsed);
 286
 287
 288         if (filelist_read(dir_fd, &files, NULL))
 289                 {
 290                 GList *work;
 291
 292                 files = filelist_filter(files, FALSE);
 293                 files = filelist_sort_path(files);
 294
 295                 work = files;
 296                 while (work)
 297                         {
 298                         FileData *fd = static_cast<FileData *>(work->data);
 299                         if (!*path) *path = remove_level_from_path(fd->path);
 300                         if (!*file) *file = g_strdup(fd->path);
 301                         *list = g_list_prepend(*list, fd);
 302
 303                         work = work->next;
 304                         }
 305
 306                 g_list_free(files);
 307                 }
 308
 309         g_free(path_parsed);
 310         file_data_unref(dir_fd);
 311 #else
 312         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 313 #endif
 314 }
 315
 316 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 317                                            GList **list, gchar **first_dir)
 318 {
 319
 320         if (!*list && !*first_dir)
 321                 {
 322                 *first_dir = g_strdup(dir);
 323                 }
 324         else
 325                 {
 326                 if (*first_dir)
 327                         {
 328                         parse_command_line_add_dir(*first_dir, path, file, list);
 329                         g_free(*first_dir);
 330                         *first_dir = NULL;
 331                         }
 332                 parse_command_line_add_dir(dir, path, file, list);
 333                 }
 334 }
 335
 336 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 337                                             GList **list, GList **collection_list, gchar **first_dir)
 338 {
 339
 340         if (*first_dir)
 341                 {
 342                 parse_command_line_add_dir(*first_dir, path, file, list);
 343                 g_free(*first_dir);
 344                 *first_dir = NULL;
 345                 }
 346         parse_command_line_add_file(file_path, path, file, list, collection_list);
 347 }
 348
 349 static void parse_command_line(gint argc, gchar *argv[])
 350 {
 351         GList *list = NULL;
 352         GList *remote_list = NULL;
 353         GList *remote_errors = NULL;
 354         gboolean remote_do = FALSE;
 355         gchar *first_dir = NULL;
 356         gchar *app_lock;
 357         gchar *pwd;
 358         gchar *current_dir;
 359         gchar *geometry = NULL;
 360         GtkWidget *dialog_warning;
 361         GString *command_line_errors = g_string_new(NULL);
 362
 363         command_line = g_new0(CommandLine, 1);
 364
 365         command_line->argc = argc;
 366         command_line->argv = argv;
 367         command_line->regexp = NULL;
 368
 369         if (argc > 1)
 370                 {
 371                 gint i;
 372                 gchar *base_dir = get_current_dir();
 373                 i = 1;
 374                 while (i < argc)
 375                         {
 376                         gchar *cmd_line = path_to_utf8(argv[i]);
 377                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 378
 379                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 380                                 {
 381                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 382                                 }
 383                         else if (isdir(cmd_all))
 384                                 {
 385                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 386                                 }
 387                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 388                                 {
 389                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 390                                                                 &list, &command_line->collection_list, &first_dir);
 391                                 }
 392                         else if (isfile(cmd_all))
 393                                 {
 394                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 395                                                                 &list, &command_line->collection_list, &first_dir);
 396                                 }
 397                         else if (download_web_file(cmd_line, FALSE, NULL))
 398                                 {
 399                                 }
 400                         else if (is_collection(cmd_line))
 401                                 {
 402                                 gchar *path = NULL;
 403
 404                                 path = collection_path(cmd_line);
 405                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 406                                                                 &list, &command_line->collection_list, &first_dir);
 407                                 g_free(path);
 408                                 }
 409                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 410                                 {
 411                                 /* do nothing but do not produce warnings */
 412                                 }
 413                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 414                                 {
 415                                 /* do nothing but do not produce warnings */
 416                                 }
 417                         else if (strcmp(cmd_line, "+t") == 0 ||
 418                                  strcmp(cmd_line, "--with-tools") == 0)
 419                                 {
 420                                 command_line->tools_show = TRUE;
 421
 422                                 remote_list = g_list_append(remote_list, g_strdup("+t"));
 423                                 }
 424                         else if (strcmp(cmd_line, "-t") == 0 ||
 425                                  strcmp(cmd_line, "--without-tools") == 0)
 426                                 {
 427                                 command_line->tools_hide = TRUE;
 428
 429                                 remote_list = g_list_append(remote_list, g_strdup("-t"));
 430                                 }
 431                         else if (strcmp(cmd_line, "-f") == 0 ||
 432                                  strcmp(cmd_line, "--fullscreen") == 0)
 433                                 {
 434                                 command_line->startup_full_screen = TRUE;
 435                                 }
 436                         else if (strcmp(cmd_line, "-s") == 0 ||
 437                                  strcmp(cmd_line, "--slideshow") == 0)
 438                                 {
 439                                 command_line->startup_in_slideshow = TRUE;
 440                                 }
 441                         else if (strcmp(cmd_line, "-l") == 0 ||
 442                                  strcmp(cmd_line, "--list") == 0)
 443                                 {
 444                                 command_line->startup_command_line_collection = TRUE;
 445                                 }
 446                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 447                                 {
 448                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 449                                 }
 450                         else if (strcmp(cmd_line, "-r") == 0 ||
 451                                  strcmp(cmd_line, "--remote") == 0)
 452                                 {
 453                                 if (!remote_do)
 454                                         {
 455                                         remote_do = TRUE;
 456                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 457                                         }
 458                                 }
 459                         else if ((strcmp(cmd_line, "+w") == 0) ||
 460                                                 strcmp(cmd_line, "--show-log-window") == 0)
 461                                 {
 462                                 command_line->log_window_show = TRUE;
 463                                 }
 464                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 465                                 {
 466                                 command_line->log_file = g_strdup(cmd_line + 3);
 467                                 }
 468                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 469                                 {
 470                                 command_line->log_file = g_strdup(cmd_line + 11);
 471                                 }
 472                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 473                                 {
 474                                 set_regexp(g_strdup(cmd_line+3));
 475                                 }
 476                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 477                                 {
 478                                 set_regexp(g_strdup(cmd_line+3));
 479                                 }
 480                         else if (strncmp(cmd_line, "-n", 2) == 0)
 481                                 {
 482                                 command_line->new_instance = TRUE;
 483                                 }
 484                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 485                                 {
 486                                 command_line->new_instance = TRUE;
 487                                 }
 488                         else if (strcmp(cmd_line, "-rh") == 0 ||
 489                                  strcmp(cmd_line, "--remote-help") == 0)
 490                                 {
 491                                 remote_help();
 492                                 exit(0);
 493                                 }
 494                         else if (strcmp(cmd_line, "--blank") == 0)
 495                                 {
 496                                 command_line->startup_blank = TRUE;
 497                                 }
 498                         else if (strcmp(cmd_line, "-v") == 0 ||
 499                                  strcmp(cmd_line, "--version") == 0)
 500                                 {
 501                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 502                                 exit(0);
 503                                 }
 504                         else if (strcmp(cmd_line, "--alternate") == 0)
 505                                 {
 506                                 /* enable faster experimental algorithm */
 507                                 log_printf("Alternate similarity algorithm enabled\n");
 508                                 image_sim_alternate_set(TRUE);
 509                                 }
 510                         else if (strcmp(cmd_line, "-h") == 0 ||
 511                                  strcmp(cmd_line, "--help") == 0)
 512                                 {
 513                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 514                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 515                                 print_term(FALSE, _("Valid options:\n"));
 516                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 517                                 print_term(FALSE, _("      --cache-maintenance <path>   run cache maintenance in non-GUI mode\n"));
 518                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
 519                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 520                                 print_term(FALSE, _("      --geometry=WxH+XOFF+YOFF     set main window location\n"));
 521                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 522                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 523                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie\n"));
 524                                 print_term(FALSE, _("  -o:, --log-file:<file>     save log data to file\n"));
 525                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 526                                 print_term(FALSE, _("  -rh, --remote-help               print remote command list\n"));
 527                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 528                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 529                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 530                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 531                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 532 #ifdef DEBUG
 533                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 534                                 print_term(FALSE, _("  -g:, --grep:<regexp>     filter debug output\n"));
 535 #endif
 536
 537 #if 0
 538                                 /* these options are not officially supported!
 539                                  * only for testing new features, no need to translate them */
 540                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 541 #endif
 542                                 print_term(FALSE, "\n");
 543
 544                                 remote_help();
 545
 546
 547                                 exit(0);
 548                                 }
 549                         else if (!remote_do)
 550                                 {
 551                                 command_line_errors = g_string_append(command_line_errors, cmd_line);
 552                                 command_line_errors = g_string_append(command_line_errors, "\n");
 553                                 }
 554
 555                         g_free(cmd_all);
 556                         g_free(cmd_line);
 557                         i++;
 558                         }
 559
 560                 if (command_line_errors->len > 0)
 561                         {
 562                         dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 563                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 564                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 565                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 566                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 567                         gtk_widget_destroy(dialog_warning);
 568                         g_string_free(command_line_errors, TRUE);
 569
 570                         exit(EXIT_FAILURE);
 571                         }
 572
 573                 g_free(base_dir);
 574                 parse_out_relatives(command_line->path);
 575                 parse_out_relatives(command_line->file);
 576                 }
 577
 578         list = g_list_reverse(list);
 579
 580         if (!command_line->path && first_dir)
 581                 {
 582                 command_line->path = first_dir;
 583                 first_dir = NULL;
 584
 585                 parse_out_relatives(command_line->path);
 586                 }
 587         g_free(first_dir);
 588
 589         if (!command_line->new_instance)
 590                 {
 591                 /* If Geeqie is already running, prevent a second instance
 592                  * from being started. Open a new window instead.
 593                  */
 594                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 595                 if (remote_server_exists(app_lock) && !remote_do)
 596                         {
 597                         remote_do = TRUE;
 598                         if (command_line->geometry)
 599                                 {
 600                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 601                                 remote_list = g_list_prepend(remote_list, geometry);
 602                                 }
 603                         remote_list = g_list_prepend(remote_list, g_strdup("--new-window"));
 604                         }
 605                 g_free(app_lock);
 606                 }
 607
 608         if (remote_do)
 609                 {
 610                 if (remote_errors)
 611                         {
 612                         GList *work = remote_errors;
 613
 614                         while (work)
 615                                 {
 616                                 gchar *opt = static_cast<gchar *>(work->data);
 617
 618                                 command_line_errors = g_string_append(command_line_errors, opt);
 619                                 command_line_errors = g_string_append(command_line_errors, "\n");
 620                                 work = work->next;
 621                                 }
 622
 623                         dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 624                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 625                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 626                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 627                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 628                         gtk_widget_destroy(dialog_warning);
 629                         g_string_free(command_line_errors, TRUE);
 630
 631                         exit(EXIT_FAILURE);
 632                         }
 633
 634                 /* prepend the current dir the remote command was made from,
 635                  * for use by any remote command that needs it
 636                  */
 637                 current_dir = g_get_current_dir();
 638                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 639                 remote_list = g_list_prepend(remote_list, pwd);
 640
 641                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 642                 /* There is no return to this point
 643                  */
 644                 g_free(pwd);
 645                 g_free(current_dir);
 646                 }
 647         g_free(geometry);
 648         g_list_free(remote_list);
 649
 650         if (list && list->next)
 651                 {
 652                 command_line->cmd_list = list;
 653                 }
 654         else
 655                 {
 656                 string_list_free(list);
 657                 command_line->cmd_list = NULL;
 658                 }
 659
 660         if (command_line->startup_blank)
 661                 {
 662                 g_free(command_line->path);
 663                 command_line->path = NULL;
 664                 g_free(command_line->file);
 665                 command_line->file = NULL;
 666                 filelist_free(command_line->cmd_list);
 667                 command_line->cmd_list = NULL;
 668                 string_list_free(command_line->collection_list);
 669                 command_line->collection_list = NULL;
 670                 }
 671 }
 672
 673 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 674 {
 675 #ifdef DEBUG
 676         const gchar *debug_option = "--debug";
 677         gint len = strlen(debug_option);
 678
 679         if (argc > 1)
 680                 {
 681                 gint i;
 682
 683                 for (i = 1; i < argc; i++)
 684                         {
 685                         const gchar *cmd_line = argv[i];
 686                         if (strncmp(cmd_line, debug_option, len) == 0)
 687                                 {
 688                                 gint cmd_line_len = strlen(cmd_line);
 689
 690                                 /* we now increment the debug state for verbosity */
 691                                 if (cmd_line_len == len)
 692                                         debug_level_add(1);
 693                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 694                                         {
 695                                         gint n = atoi(cmd_line + len + 1);
 696                                         if (n < 0) n = 1;
 697                                         debug_level_add(n);
 698                                         }
 699                                 }
 700                         }
 701                 }
 702
 703         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 704 #endif
 705 }
 706
 707 #ifdef HAVE_CLUTTER
 708 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 709 {
 710         const gchar *clutter_option = "--disable-clutter";
 711         gint len = strlen(clutter_option);
 712         gboolean ret = FALSE;
 713
 714         if (argc > 1)
 715                 {
 716                 gint i;
 717
 718                 for (i = 1; i < argc; i++)
 719                         {
 720                         const gchar *cmd_line = argv[i];
 721                         if (strncmp(cmd_line, clutter_option, len) == 0)
 722                                 {
 723                                 ret = TRUE;
 724                                 }
 725                         }
 726                 }
 727
 728         return ret;
 729 }
 730 #endif
 731
 732 static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 733 {
 734         const gchar *cache_maintenance_option = "--cache-maintenance";
 735         gint len = strlen(cache_maintenance_option);
 736         gboolean ret = FALSE;
 737
 738         if (argc >= 2)
 739                 {
 740                 const gchar *cmd_line = argv[1];
 741                 if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
 742                         {
 743                         ret = TRUE;
 744                         }
 745                 }
 746
 747         return ret;
 748 }
 749
 750 static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 751 {
 752         gchar *rc_path;
 753         gchar *folder_path = NULL;
 754         gsize size;
 755         gsize i = 0;
 756         gchar *buf_config_file;
 757         gint diff_count;
 758
 759         if (argc >= 3)
 760                 {
 761                 folder_path = expand_tilde(argv[2]);
 762
 763                 if (isdir(folder_path))
 764                         {
 765                         rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
 766
 767                         if (isfile(rc_path))
 768                                 {
 769                                 if (g_file_get_contents(rc_path, &buf_config_file, &size, NULL))
 770                                         {
 771                                         while (i < size)
 772                                                 {
 773                                                 diff_count = strncmp("</global>", &buf_config_file[i], 9);
 774                                                 if (diff_count == 0)
 775                                                         {
 776                                                         break;
 777                                                         }
 778                                                 i++;
 779                                                 }
 780                                         /* Load only the <global> section */
 781                                         load_config_from_buf(buf_config_file, i + 9, FALSE);
 782
 783                                         if (options->thumbnails.enable_caching)
 784                                                 {
 785                                                 cache_maintenance(folder_path);
 786                                                 }
 787                                         else
 788                                                 {
 789                                                 print_term(TRUE, "Caching not enabled\n");
 790                                                 exit(EXIT_FAILURE);
 791                                                 }
 792                                         g_free(buf_config_file);
 793                                         }
 794                                 else
 795                                         {
 796                                         print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
 797                                         exit(EXIT_FAILURE);
 798                                         }
 799                                 }
 800                         else
 801                                 {
 802                                 print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
 803                                 exit(EXIT_FAILURE);
 804                                 }
 805                         g_free(rc_path);
 806                         }
 807                 else
 808                         {
 809                         print_term(TRUE, g_strconcat(argv[2], _(" is not a folder\n"), NULL));
 810                         exit(EXIT_FAILURE);
 811                         }
 812                 g_free(folder_path);
 813                 }
 814         else
 815                 {
 816                 print_term(TRUE, _("No path parameter given\n"));
 817                 exit(EXIT_FAILURE);
 818                 }
 819 }
 820
 821 /*
 822  *-----------------------------------------------------------------------------
 823  * startup, init, and exit
 824  *-----------------------------------------------------------------------------
 825  */
 826
 827 #define RC_HISTORY_NAME "history"
 828 #define RC_MARKS_NAME "marks"
 829
 830 static void setup_env_path(void)
 831 {
 832         const gchar *old_path = g_getenv("PATH");
 833         gchar *path = g_strconcat(gq_bindir, ":", old_path, NULL);
 834         g_setenv("PATH", path, TRUE);
 835         g_free(path);
 836 }
 837
 838 static void keys_load(void)
 839 {
 840         gchar *path;
 841
 842         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 843         history_list_load(path);
 844         g_free(path);
 845 }
 846
 847 static void keys_save(void)
 848 {
 849         gchar *path;
 850
 851         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 852         history_list_save(path);
 853         g_free(path);
 854 }
 855
 856 static void marks_load(void)
 857 {
 858         gchar *path;
 859
 860         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 861         marks_list_load(path);
 862         g_free(path);
 863 }
 864
 865 static void marks_save(gboolean save)
 866 {
 867         gchar *path;
 868
 869         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 870         marks_list_save(path, save);
 871         g_free(path);
 872 }
 873
 874 static void mkdir_if_not_exists(const gchar *path)
 875 {
 876         if (isdir(path)) return;
 877
 878         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 879
 880         if (!recursive_mkdir_if_not_exists(path, 0755))
 881                 {
 882                 log_printf(_("Could not create dir:%s\n"), path);
 883                 }
 884 }
 885
 886
 887 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 888  * to improve the reliability in special cases (especially when disk is full)
 889  * These functions are now using secure saving stuff.
 890  */
 891 static void gq_accel_map_print(
 892                     gpointer    data,
 893                     const gchar *accel_path,
 894                     guint       accel_key,
 895                     GdkModifierType accel_mods,
 896                     gboolean    changed)
 897 {
 898         GString *gstring = g_string_new(changed ? NULL : "; ");
 899         SecureSaveInfo *ssi = static_cast<SecureSaveInfo *>(data);
 900         gchar *tmp, *name;
 901
 902         g_string_append(gstring, "(gtk_accel_path \"");
 903
 904         tmp = g_strescape(accel_path, NULL);
 905         g_string_append(gstring, tmp);
 906         g_free(tmp);
 907
 908         g_string_append(gstring, "\" \"");
 909
 910         name = gtk_accelerator_name(accel_key, accel_mods);
 911         tmp = g_strescape(name, NULL);
 912         g_free(name);
 913         g_string_append(gstring, tmp);
 914         g_free(tmp);
 915
 916         g_string_append(gstring, "\")\n");
 917
 918         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 919
 920         g_string_free(gstring, TRUE);
 921 }
 922
 923 static gboolean gq_accel_map_save(const gchar *path)
 924 {
 925         gchar *pathl;
 926         SecureSaveInfo *ssi;
 927         GString *gstring;
 928
 929         pathl = path_from_utf8(path);
 930         ssi = secure_open(pathl);
 931         g_free(pathl);
 932         if (!ssi)
 933                 {
 934                 log_printf(_("error saving file: %s\n"), path);
 935                 return FALSE;
 936                 }
 937
 938         gstring = g_string_new("; ");
 939         if (g_get_prgname())
 940                 g_string_append(gstring, g_get_prgname());
 941         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 942         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 943         g_string_append(gstring, ";\n");
 944
 945         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 946
 947         g_string_free(gstring, TRUE);
 948
 949         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 950
 951         if (secure_close(ssi))
 952                 {
 953                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 954                            secsave_strerror(secsave_errno));
 955                 return FALSE;
 956                 }
 957
 958         return TRUE;
 959 }
 960
 961 static gchar *accep_map_filename(void)
 962 {
 963         return g_build_filename(get_rc_dir(), "accels", NULL);
 964 }
 965
 966 static void accel_map_save(void)
 967 {
 968         gchar *path;
 969
 970         path = accep_map_filename();
 971         gq_accel_map_save(path);
 972         g_free(path);
 973 }
 974
 975 static void accel_map_load(void)
 976 {
 977         gchar *path;
 978         gchar *pathl;
 979
 980         path = accep_map_filename();
 981         pathl = path_from_utf8(path);
 982         gtk_accel_map_load(pathl);
 983         g_free(pathl);
 984         g_free(path);
 985 }
 986
 987 static void gtkrc_load(void)
 988 {
 989         gchar *path;
 990         gchar *pathl;
 991
 992         /* If a gtkrc file exists in the rc directory, add it to the
 993          * list of files to be parsed at the end of gtk_init() */
 994         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 995         pathl = path_from_utf8(path);
 996         if (access(pathl, R_OK) == 0)
 997                 gtk_rc_add_default_file(pathl);
 998         g_free(pathl);
 999         g_free(path);
1000 }
1001
1002 static void exit_program_final(void)
1003 {
1004         LayoutWindow *lw = NULL;
1005         GList *list;
1006         LayoutWindow *tmp_lw;
1007         gchar *archive_dir;
1008         GFile *archive_file;
1009
1010          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
1011         layout_editors_reload_finish();
1012
1013         remote_close(remote_connection);
1014
1015         collect_manager_flush();
1016
1017         /* Save the named windows */
1018         if (layout_window_list && layout_window_list->next)
1019                 {
1020                 list = layout_window_list;
1021                 while (list)
1022                         {
1023                         tmp_lw = static_cast<LayoutWindow *>(list->data);
1024                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
1025                                 {
1026                                 save_layout(static_cast<_LayoutWindow *>(list->data));
1027                                 }
1028                         list = list->next;
1029                         }
1030                 }
1031
1032         save_options(options);
1033         keys_save();
1034         accel_map_save();
1035
1036         if (layout_valid(&lw))
1037                 {
1038                 layout_free(lw);
1039                 }
1040
1041         /* Delete any files/folders in /tmp that have been created by the open archive function */
1042         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
1043         if (isdir(archive_dir))
1044                 {
1045                 archive_file = g_file_new_for_path(archive_dir);
1046                 rmdir_recursive(archive_file, NULL, NULL);
1047                 g_free(archive_dir);
1048                 g_object_unref(archive_file);
1049                 }
1050
1051         /* If there are still sub-dirs created by another instance, this will fail
1052          * but that does not matter */
1053         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
1054         if (isdir(archive_dir))
1055                 {
1056                 archive_file = g_file_new_for_path(archive_dir);
1057                 g_file_delete(archive_file, NULL, NULL);
1058                 g_free(archive_dir);
1059                 g_object_unref(archive_file);
1060                 }
1061
1062         secure_close(command_line->ssi);
1063
1064         gtk_main_quit();
1065 }
1066
1067 static GenericDialog *exit_dialog = NULL;
1068
1069 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer UNUSED(data))
1070 {
1071         exit_dialog = NULL;
1072         generic_dialog_close(gd);
1073 }
1074
1075 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer UNUSED(data))
1076 {
1077         exit_dialog = NULL;
1078         generic_dialog_close(gd);
1079         exit_program_final();
1080 }
1081
1082 static gint exit_confirm_dlg(void)
1083 {
1084         GtkWidget *parent;
1085         LayoutWindow *lw;
1086         gchar *msg;
1087
1088         if (exit_dialog)
1089                 {
1090                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1091                 return TRUE;
1092                 }
1093
1094         if (!collection_window_modified_exists()) return FALSE;
1095
1096         parent = NULL;
1097         lw = NULL;
1098         if (layout_valid(&lw))
1099                 {
1100                 parent = lw->window;
1101                 }
1102
1103         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
1104         exit_dialog = generic_dialog_new(msg,
1105                                 "exit", parent, FALSE,
1106                                 exit_confirm_cancel_cb, NULL);
1107         g_free(msg);
1108         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
1109         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
1110                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
1111         g_free(msg);
1112         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
1113
1114         gtk_widget_show(exit_dialog->dialog);
1115
1116         return TRUE;
1117 }
1118
1119 static void exit_program_write_metadata_cb(gint success, const gchar *UNUSED(dest_path), gpointer UNUSED(data))
1120 {
1121         if (success) exit_program();
1122 }
1123
1124 void exit_program(void)
1125 {
1126         layout_image_full_screen_stop(NULL);
1127
1128         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
1129
1130         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
1131
1132         if (exit_confirm_dlg()) return;
1133
1134         exit_program_final();
1135 }
1136
1137 /* This code attempts to handle situation when a file mmaped by image_loader
1138  * or by exif loader is truncated by some other process.
1139  * This code is incorrect according to POSIX, because:
1140  *
1141  *   mmap is not async-signal-safe and thus may not be called from a signal handler
1142  *
1143  *   mmap must be called with a valid file descriptor.  POSIX requires that
1144  *   a fildes argument of -1 must cause mmap to return EBADF.
1145  *
1146  * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion of
1147  * an alternative approach.
1148  */
1149 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
1150
1151 #if defined(SIGBUS) && defined(SA_SIGINFO)
1152 static void sigbus_handler_cb(int UNUSED(signum), siginfo_t *info, void *UNUSED(context))
1153 {
1154         /*
1155          * @FIXME Design and implement a POSIX-acceptable approach,
1156          * after first documenting the sitations where SIGBUS occurs.
1157          * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion
1158          */
1159
1160         DEBUG_1("SIGBUS %p NOT HANDLED", info->si_addr);
1161         exit(EXIT_FAILURE);
1162 }
1163 #endif
1164
1165 //static void setup_sigbus_handler(void)
1166 //{
1167 //#if defined(SIGBUS) && defined(SA_SIGINFO)
1168         //struct sigaction sigbus_action;
1169         //sigfillset(&sigbus_action.sa_mask);
1170         //sigbus_action.sa_sigaction = sigbus_handler_cb;
1171         //sigbus_action.sa_flags = SA_SIGINFO;
1172
1173         //sigaction(SIGBUS, &sigbus_action, NULL);
1174 //#endif
1175 //}
1176
1177 static void setup_sig_handler(void)
1178 {
1179         struct sigaction sigsegv_action;
1180         sigfillset(&sigsegv_action.sa_mask);
1181         sigsegv_action.sa_sigaction = sig_handler_cb;
1182         sigsegv_action.sa_flags = SA_SIGINFO;
1183
1184         sigaction(SIGABRT, &sigsegv_action, NULL);
1185         sigaction(SIGBUS, &sigsegv_action, NULL);
1186         sigaction(SIGFPE, &sigsegv_action, NULL);
1187         sigaction(SIGILL, &sigsegv_action, NULL);
1188         sigaction(SIGIOT, &sigsegv_action, NULL);
1189         sigaction(SIGSEGV, &sigsegv_action, NULL);
1190 }
1191
1192 static void set_theme_bg_color()
1193 {
1194         GdkRGBA bg_color;
1195         GdkColor theme_color;
1196         GtkStyleContext *style_context;
1197         GList *work;
1198         LayoutWindow *lw;
1199
1200         if (!options->image.use_custom_border_color)
1201                 {
1202                 work = layout_window_list;
1203                 lw = static_cast<LayoutWindow *>(work->data);
1204
1205                 style_context = gtk_widget_get_style_context(lw->window);
1206                 gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
1207
1208                 theme_color.red = bg_color.red * 65535;
1209                 theme_color.green = bg_color.green * 65535;
1210                 theme_color.blue = bg_color.blue * 65535;
1211
1212                 while (work)
1213                         {
1214                         lw = static_cast<LayoutWindow *>(work->data);
1215                         image_background_set_color(lw->image, &theme_color);
1216                         work = work->next;
1217                         }
1218                 }
1219
1220         view_window_colors_update();
1221 }
1222
1223 static gboolean theme_change_cb(GObject *UNUSED(gobject), GParamSpec *UNUSED(pspec), gpointer UNUSED(data))
1224 {
1225         set_theme_bg_color();
1226
1227         return FALSE;
1228 }
1229
1230 /**
1231  * @brief Set up the application paths
1232  *
1233  * This function is required for use of AppImages. AppImages are
1234  * relocatable, and therefore cannot use fixed paths to various components.
1235  * These paths were originally #defines created during compilation.
1236  * They are now variables, all defined relative to one level above the
1237  * directory that the executable is run from.
1238  */
1239 static void create_application_paths()
1240 {
1241         gchar *dirname;
1242         gint length;
1243         gchar *path;
1244
1245         length = wai_getExecutablePath(NULL, 0, NULL);
1246         path = (gchar *)malloc(length + 1);
1247         wai_getExecutablePath(path, length, NULL);
1248         path[length] = '\0';
1249
1250         gq_executable_path = g_strdup(path);
1251         dirname = g_path_get_dirname(gq_executable_path);
1252         gq_prefix = g_path_get_dirname(dirname);
1253
1254         gq_localedir = g_build_filename(gq_prefix, GQ_LOCALEDIR, NULL);
1255         gq_helpdir = g_build_filename(gq_prefix, GQ_HELPDIR, NULL);
1256         gq_htmldir = g_build_filename(gq_prefix, GQ_HTMLDIR, NULL);
1257         gq_appdir = g_build_filename(gq_prefix, GQ_APPDIR, NULL);
1258         gq_bindir = g_build_filename(gq_prefix, GQ_BINDIR, NULL);
1259         desktop_file_template = g_build_filename(gq_appdir, "template.desktop", NULL);
1260
1261         g_free(dirname);
1262         g_free(path);
1263 }
1264
1265 gint main(gint argc, gchar *argv[])
1266 {
1267         CollectionData *first_collection = NULL;
1268         gchar *buf;
1269         CollectionData *cd = NULL;
1270         gboolean disable_clutter = FALSE;
1271         gboolean single_dir = TRUE;
1272         LayoutWindow *lw;
1273         GtkSettings *default_settings;
1274
1275         gdk_set_allowed_backends("x11,*");
1276
1277         gdk_threads_init();
1278         gdk_threads_enter();
1279
1280         /* seg. fault handler */
1281 #ifdef HAVE_DEVELOPER
1282         backward::SignalHandling sh{};
1283 #else
1284         setup_sig_handler();
1285 #endif
1286
1287         /* init execution time counter (debug only) */
1288         init_exec_time();
1289
1290         create_application_paths();
1291
1292         /* setup locale, i18n */
1293         setlocale(LC_ALL, "");
1294
1295 #ifdef ENABLE_NLS
1296         bindtextdomain(PACKAGE, gq_localedir);
1297         bind_textdomain_codeset(PACKAGE, "UTF-8");
1298         textdomain(PACKAGE);
1299 #endif
1300
1301         exif_init();
1302
1303 #ifdef HAVE_LUA
1304         lua_init();
1305 #endif
1306
1307         /* setup random seed for random slideshow */
1308         srand(time(NULL));
1309
1310 #if 0
1311         /* See later comment; this handler leads to UB. */
1312         setup_sigbus_handler();
1313 #endif
1314
1315         /* register global notify functions */
1316         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1317         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1318         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1319         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
1320         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
1321
1322
1323         gtkrc_load();
1324
1325         parse_command_line_for_debug_option(argc, argv);
1326         DEBUG_1("%s main: gtk_init", get_exec_time());
1327 #ifdef HAVE_CLUTTER
1328         if (parse_command_line_for_clutter_option(argc, argv))
1329                 {
1330                 disable_clutter = TRUE;
1331                 gtk_init(&argc, &argv);
1332                 }
1333         else
1334                 {
1335                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1336                         {
1337                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1338                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1339                         exit(1);
1340                         }
1341                 }
1342 #else
1343         gtk_init(&argc, &argv);
1344 #endif
1345
1346         if (gtk_major_version < GTK_MAJOR_VERSION ||
1347             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1348                 {
1349                 log_printf("!!! This is a friendly warning.\n");
1350                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1351                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1352                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1353                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1354                 }
1355
1356         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1357         gtk_icon_theme_add_resource_path(gtk_icon_theme_get_default(), GQ_RESOURCE_PATH_ICONS);
1358         pixbuf_inline_register_stock_icons();
1359
1360         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1361         options = init_options(NULL);
1362         setup_default_options(options);
1363         if (disable_clutter)
1364                 {
1365                 options->disable_gpu = TRUE;
1366                 }
1367
1368         /* Generate a unique identifier used by the open archive function */
1369         instance_identifier = g_strdup_printf("%x", g_random_int());
1370
1371         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1372         /* these functions don't depend on config file */
1373         mkdir_if_not_exists(get_rc_dir());
1374         mkdir_if_not_exists(get_collections_dir());
1375         mkdir_if_not_exists(get_thumbnails_cache_dir());
1376         mkdir_if_not_exists(get_metadata_cache_dir());
1377         mkdir_if_not_exists(get_window_layouts_dir());
1378
1379         setup_env_path();
1380
1381         if (parse_command_line_for_cache_maintenance_option(argc, argv))
1382                 {
1383                 process_command_line_for_cache_maintenance_option(argc, argv);
1384                 }
1385         else
1386                 {
1387                 DEBUG_1("%s main: parse_command_line", get_exec_time());
1388                 parse_command_line(argc, argv);
1389
1390                 keys_load();
1391                 accel_map_load();
1392
1393                 /* restore session from the config file */
1394
1395
1396                 DEBUG_1("%s main: load_options", get_exec_time());
1397                 if (!load_options(options))
1398                         {
1399                         /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1400                         filter_add_defaults();
1401                         filter_rebuild();
1402                         }
1403
1404         #ifdef HAVE_CLUTTER
1405         /** @FIXME For the background of this see:
1406          * https://github.com/BestImageViewer/geeqie/issues/397
1407          * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1408          * system is liable to exhibit this problem.
1409          * The user is provided with an override in Preferences/Behavior
1410          */
1411                 if (!options->override_disable_gpu && !options->disable_gpu)
1412                         {
1413                         DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1414                         if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1415                                 {
1416                                 options->disable_gpu = TRUE;
1417                                 }
1418                         }
1419         #endif
1420
1421                 /* handle missing config file and commandline additions*/
1422                 if (!layout_window_list)
1423                         {
1424                         /* broken or no config file or no <layout> section */
1425                         layout_new_from_default();
1426                         }
1427
1428                 layout_editors_reload_start();
1429
1430                 /* If no --list option, open a separate collection window for each
1431                  * .gqv file on the command line
1432                  */
1433                 if (command_line->collection_list && !command_line->startup_command_line_collection)
1434                         {
1435                         GList *work;
1436
1437                         work = command_line->collection_list;
1438                         while (work)
1439                                 {
1440                                 CollectWindow *cw;
1441                                 const gchar *path;
1442
1443                                 path = static_cast<const gchar *>(work->data);
1444                                 work = work->next;
1445
1446                                 cw = collection_window_new(path);
1447                                 if (!first_collection && cw) first_collection = cw->cd;
1448                                 }
1449                         }
1450
1451                 if (command_line->log_file)
1452                         {
1453                         gchar *pathl;
1454                         gchar *path = g_strdup(command_line->log_file);
1455
1456                         pathl = path_from_utf8(path);
1457                         command_line->ssi = secure_open(pathl);
1458                         }
1459
1460                 /* If there is a files list on the command line and no --list option,
1461                  * check if they are all in the same folder
1462                  */
1463                 if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1464                         {
1465                         GList *work;
1466                         gchar *path = NULL;
1467
1468                         work = command_line->cmd_list;
1469
1470                         while (work && single_dir)
1471                                 {
1472                                 gchar *dirname;
1473
1474                                 dirname = g_path_get_dirname(static_cast<const gchar *>(work->data));
1475                                 if (!path)
1476                                         {
1477                                         path = g_strdup(dirname);
1478                                         }
1479                                 else
1480                                         {
1481                                         if (g_strcmp0(path, dirname) != 0)
1482                                                 {
1483                                                 single_dir = FALSE;
1484                                                 }
1485                                         }
1486                                 g_free(dirname);
1487                                 work = work->next;
1488                                 }
1489                         g_free(path);
1490                         }
1491
1492                 /* Files from multiple folders, or --list option given
1493                  * then open an unnamed collection and insert all files
1494                  */
1495                 if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1496                         {
1497                         GList *work;
1498                         CollectWindow *cw;
1499
1500                         cw = collection_window_new(NULL);
1501                         cd = cw->cd;
1502
1503                         collection_path_changed(cd);
1504
1505                         work = command_line->cmd_list;
1506                         while (work)
1507                                 {
1508                                 FileData *fd;
1509
1510                                 fd = file_data_new_simple(static_cast<const gchar *>(work->data));
1511                                 collection_add(cd, fd, FALSE);
1512                                 file_data_unref(fd);
1513                                 work = work->next;
1514                                 }
1515
1516                         work = command_line->collection_list;
1517                         while (work)
1518                                 {
1519                                 collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
1520                                 work = work->next;
1521                                 }
1522
1523                         if (cd->list) layout_image_set_collection(NULL, cd, static_cast<CollectInfo *>(cd->list->data));
1524
1525                         /* mem leak, we never unref this collection when !startup_command_line_collection
1526                          * (the image view of the main window does not hold a ref to the collection)
1527                          * this is sort of unavoidable, for if it did hold a ref, next/back
1528                          * may not work as expected when closing collection windows.
1529                          *
1530                          * collection_unref(cd);
1531                          */
1532
1533                         }
1534                 else if (first_collection)
1535                         {
1536                         layout_image_set_collection(NULL, first_collection,
1537                                                     collection_get_first(first_collection));
1538                         }
1539
1540                 /* If the files on the command line are from one folder, select those files
1541                  * unless it is a command line collection - then leave focus on collection window
1542                  */
1543                 lw = NULL;
1544                 layout_valid(&lw);
1545
1546                 if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1547                         {
1548                         GList *work;
1549                         GList *selected;
1550                         FileData *fd;
1551
1552                         selected = NULL;
1553                         work = command_line->cmd_list;
1554                         while (work)
1555                                 {
1556                                 fd = file_data_new_simple((gchar *)work->data);
1557                                 selected = g_list_append(selected, fd);
1558                                 file_data_unref(fd);
1559                                 work = work->next;
1560                                 }
1561                         layout_select_list(lw, selected);
1562                         }
1563
1564                 buf = g_build_filename(get_rc_dir(), ".command", NULL);
1565                 remote_connection = remote_server_init(buf, cd);
1566                 g_free(buf);
1567
1568                 marks_load();
1569
1570                 default_settings = gtk_settings_get_default();
1571                 g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
1572                 set_theme_bg_color();
1573                 }
1574
1575         /* Show a fade-out notification window if the server has a newer AppImage version */
1576         if (options->appimage_notifications && g_getenv("APPDIR") && strstr(g_getenv("APPDIR"), "/tmp/.mount_Geeqie"))
1577                 {
1578                 appimage_notification();
1579                 }
1580
1581         DEBUG_1("%s main: gtk_main", get_exec_time());
1582         gtk_main();
1583
1584         gdk_threads_leave();
1585         return 0;
1586 }
1587 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */