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 <csignal>
  23 #include <sys/mman.h>
  24
  25 #ifdef G_OS_UNIX
  26 #include <pwd.h>
  27 #endif
  28 #include <clocale>
  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 = nullptr;
  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 = nullptr;
  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 == nullptr)
 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         /* Avoid "not used" warning */
 179         len++;
 180
 181         exit(EXIT_FAILURE);
 182 }
 183 #else /* defined(SA_SIGINFO) */
 184 void sig_handler_cb(int UNUSED(signo))
 185 {
 186 #ifdef HAVE_EXECINFO_H
 187         gint bt_size;
 188         void *bt[1024];
 189 #endif
 190
 191         write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 192         write(STDERR_FILENO, "Signal: Segmentation fault\n", 27);
 193
 194 #ifdef HAVE_EXECINFO_H
 195         bt_size = backtrace(bt, 1024);
 196         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 197 #endif
 198
 199         exit(EXIT_FAILURE);
 200 }
 201 #endif /* defined(SA_SIGINFO) */
 202
 203 /*
 204  *-----------------------------------------------------------------------------
 205  * keyboard functions
 206  *-----------------------------------------------------------------------------
 207  */
 208
 209 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
 210 {
 211         static gint delta = 0;
 212         static guint32 time_old = 0;
 213         static guint keyval_old = 0;
 214
 215         if (event->state & GDK_CONTROL_MASK)
 216                 {
 217                 if (*x < 0) *x = G_MININT / 2;
 218                 if (*x > 0) *x = G_MAXINT / 2;
 219                 if (*y < 0) *y = G_MININT / 2;
 220                 if (*y > 0) *y = G_MAXINT / 2;
 221
 222                 return;
 223                 }
 224
 225         if (options->progressive_key_scrolling)
 226                 {
 227                 guint32 time_diff;
 228
 229                 time_diff = event->time - time_old;
 230
 231                 /* key pressed within 125ms ? (1/8 second) */
 232                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 233
 234                 time_old = event->time;
 235                 keyval_old = event->keyval;
 236
 237                 delta += 2;
 238                 }
 239         else
 240                 {
 241                 delta = 8;
 242                 }
 243
 244         *x = *x * delta * options->keyboard_scroll_step;
 245         *y = *y * delta * options->keyboard_scroll_step;
 246 }
 247
 248
 249
 250 /*
 251  *-----------------------------------------------------------------------------
 252  * command line parser (private) hehe, who needs popt anyway?
 253  *-----------------------------------------------------------------------------
 254  */
 255
 256 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 257                                         GList **list, GList **collection_list)
 258 {
 259         gchar *path_parsed;
 260
 261         path_parsed = g_strdup(file_path);
 262         parse_out_relatives(path_parsed);
 263
 264         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 265                 {
 266                 *collection_list = g_list_append(*collection_list, path_parsed);
 267                 }
 268         else
 269                 {
 270                 if (!*path) *path = remove_level_from_path(path_parsed);
 271                 if (!*file) *file = g_strdup(path_parsed);
 272                 *list = g_list_prepend(*list, path_parsed);
 273                 }
 274 }
 275
 276 static void parse_command_line_add_dir(const gchar *dir, gchar **UNUSED(path), gchar **UNUSED(file),
 277                                        GList **UNUSED(list))
 278 {
 279 #if 0
 280         /* This is broken because file filter is not initialized yet.
 281         */
 282         GList *files;
 283         gchar *path_parsed;
 284         FileData *dir_fd;
 285
 286         path_parsed = g_strdup(dir);
 287         parse_out_relatives(path_parsed);
 288         dir_fd = file_data_new_dir(path_parsed);
 289
 290
 291         if (filelist_read(dir_fd, &files, NULL))
 292                 {
 293                 GList *work;
 294
 295                 files = filelist_filter(files, FALSE);
 296                 files = filelist_sort_path(files);
 297
 298                 work = files;
 299                 while (work)
 300                         {
 301                         FileData *fd = static_cast<FileData *>(work->data);
 302                         if (!*path) *path = remove_level_from_path(fd->path);
 303                         if (!*file) *file = g_strdup(fd->path);
 304                         *list = g_list_prepend(*list, fd);
 305
 306                         work = work->next;
 307                         }
 308
 309                 g_list_free(files);
 310                 }
 311
 312         g_free(path_parsed);
 313         file_data_unref(dir_fd);
 314 #else
 315         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 316 #endif
 317 }
 318
 319 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 320                                            GList **list, gchar **first_dir)
 321 {
 322
 323         if (!*list && !*first_dir)
 324                 {
 325                 *first_dir = g_strdup(dir);
 326                 }
 327         else
 328                 {
 329                 if (*first_dir)
 330                         {
 331                         parse_command_line_add_dir(*first_dir, path, file, list);
 332                         g_free(*first_dir);
 333                         *first_dir = nullptr;
 334                         }
 335                 parse_command_line_add_dir(dir, path, file, list);
 336                 }
 337 }
 338
 339 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 340                                             GList **list, GList **collection_list, gchar **first_dir)
 341 {
 342
 343         if (*first_dir)
 344                 {
 345                 parse_command_line_add_dir(*first_dir, path, file, list);
 346                 g_free(*first_dir);
 347                 *first_dir = nullptr;
 348                 }
 349         parse_command_line_add_file(file_path, path, file, list, collection_list);
 350 }
 351
 352 static void parse_command_line(gint argc, gchar *argv[])
 353 {
 354         GList *list = nullptr;
 355         GList *remote_list = nullptr;
 356         GList *remote_errors = nullptr;
 357         gboolean remote_do = FALSE;
 358         gchar *first_dir = nullptr;
 359         gchar *app_lock;
 360         gchar *pwd;
 361         gchar *current_dir;
 362         gchar *geometry = nullptr;
 363         GtkWidget *dialog_warning;
 364         GString *command_line_errors = g_string_new(nullptr);
 365
 366         command_line = g_new0(CommandLine, 1);
 367
 368         command_line->argc = argc;
 369         command_line->argv = argv;
 370         command_line->regexp = nullptr;
 371
 372         if (argc > 1)
 373                 {
 374                 gint i;
 375                 gchar *base_dir = get_current_dir();
 376                 i = 1;
 377                 while (i < argc)
 378                         {
 379                         gchar *cmd_line = path_to_utf8(argv[i]);
 380                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 381
 382                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 383                                 {
 384                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 385                                 }
 386                         else if (isdir(cmd_all))
 387                                 {
 388                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 389                                 }
 390                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 391                                 {
 392                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 393                                                                 &list, &command_line->collection_list, &first_dir);
 394                                 }
 395                         else if (isfile(cmd_all))
 396                                 {
 397                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 398                                                                 &list, &command_line->collection_list, &first_dir);
 399                                 }
 400                         else if (download_web_file(cmd_line, FALSE, nullptr))
 401                                 {
 402                                 }
 403                         else if (is_collection(cmd_line))
 404                                 {
 405                                 gchar *path = nullptr;
 406
 407                                 path = collection_path(cmd_line);
 408                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 409                                                                 &list, &command_line->collection_list, &first_dir);
 410                                 g_free(path);
 411                                 }
 412                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 413                                 {
 414                                 /* do nothing but do not produce warnings */
 415                                 }
 416                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 417                                 {
 418                                 /* do nothing but do not produce warnings */
 419                                 }
 420                         else if (strcmp(cmd_line, "+t") == 0 ||
 421                                  strcmp(cmd_line, "--with-tools") == 0)
 422                                 {
 423                                 command_line->tools_show = TRUE;
 424
 425                                 remote_list = g_list_append(remote_list, g_strdup("+t"));
 426                                 }
 427                         else if (strcmp(cmd_line, "-t") == 0 ||
 428                                  strcmp(cmd_line, "--without-tools") == 0)
 429                                 {
 430                                 command_line->tools_hide = TRUE;
 431
 432                                 remote_list = g_list_append(remote_list, g_strdup("-t"));
 433                                 }
 434                         else if (strcmp(cmd_line, "-f") == 0 ||
 435                                  strcmp(cmd_line, "--fullscreen") == 0)
 436                                 {
 437                                 command_line->startup_full_screen = TRUE;
 438                                 }
 439                         else if (strcmp(cmd_line, "-s") == 0 ||
 440                                  strcmp(cmd_line, "--slideshow") == 0)
 441                                 {
 442                                 command_line->startup_in_slideshow = TRUE;
 443                                 }
 444                         else if (strcmp(cmd_line, "-l") == 0 ||
 445                                  strcmp(cmd_line, "--list") == 0)
 446                                 {
 447                                 command_line->startup_command_line_collection = TRUE;
 448                                 }
 449                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 450                                 {
 451                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 452                                 }
 453                         else if (strcmp(cmd_line, "-r") == 0 ||
 454                                  strcmp(cmd_line, "--remote") == 0)
 455                                 {
 456                                 if (!remote_do)
 457                                         {
 458                                         remote_do = TRUE;
 459                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 460                                         }
 461                                 }
 462                         else if ((strcmp(cmd_line, "+w") == 0) ||
 463                                                 strcmp(cmd_line, "--show-log-window") == 0)
 464                                 {
 465                                 command_line->log_window_show = TRUE;
 466                                 }
 467                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 468                                 {
 469                                 command_line->log_file = g_strdup(cmd_line + 3);
 470                                 }
 471                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 472                                 {
 473                                 command_line->log_file = g_strdup(cmd_line + 11);
 474                                 }
 475                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 476                                 {
 477                                 set_regexp(g_strdup(cmd_line+3));
 478                                 }
 479                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 480                                 {
 481                                 set_regexp(g_strdup(cmd_line+3));
 482                                 }
 483                         else if (strncmp(cmd_line, "-n", 2) == 0)
 484                                 {
 485                                 command_line->new_instance = TRUE;
 486                                 }
 487                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 488                                 {
 489                                 command_line->new_instance = TRUE;
 490                                 }
 491                         else if (strcmp(cmd_line, "-rh") == 0 ||
 492                                  strcmp(cmd_line, "--remote-help") == 0)
 493                                 {
 494                                 remote_help();
 495                                 exit(0);
 496                                 }
 497                         else if (strcmp(cmd_line, "--blank") == 0)
 498                                 {
 499                                 command_line->startup_blank = TRUE;
 500                                 }
 501                         else if (strcmp(cmd_line, "-v") == 0 ||
 502                                  strcmp(cmd_line, "--version") == 0)
 503                                 {
 504                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 505                                 exit(0);
 506                                 }
 507                         else if (strcmp(cmd_line, "--alternate") == 0)
 508                                 {
 509                                 /* enable faster experimental algorithm */
 510                                 log_printf("Alternate similarity algorithm enabled\n");
 511                                 image_sim_alternate_set(TRUE);
 512                                 }
 513                         else if (strcmp(cmd_line, "-h") == 0 ||
 514                                  strcmp(cmd_line, "--help") == 0)
 515                                 {
 516                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 517                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 518                                 print_term(FALSE, _("Valid options:\n"));
 519                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 520                                 print_term(FALSE, _("      --cache-maintenance <path>   run cache maintenance in non-GUI mode\n"));
 521                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
 522                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 523                                 print_term(FALSE, _("      --geometry=WxH+XOFF+YOFF     set main window location\n"));
 524                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 525                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 526                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie\n"));
 527                                 print_term(FALSE, _("  -o:, --log-file:<file>     save log data to file\n"));
 528                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 529                                 print_term(FALSE, _("  -rh, --remote-help               print remote command list\n"));
 530                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 531                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 532                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 533                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 534                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 535 #ifdef DEBUG
 536                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 537                                 print_term(FALSE, _("  -g:, --grep:<regexp>     filter debug output\n"));
 538 #endif
 539
 540 #if 0
 541                                 /* these options are not officially supported!
 542                                  * only for testing new features, no need to translate them */
 543                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 544 #endif
 545                                 print_term(FALSE, "\n");
 546
 547                                 remote_help();
 548
 549
 550                                 exit(0);
 551                                 }
 552                         else if (!remote_do)
 553                                 {
 554                                 command_line_errors = g_string_append(command_line_errors, cmd_line);
 555                                 command_line_errors = g_string_append(command_line_errors, "\n");
 556                                 }
 557
 558                         g_free(cmd_all);
 559                         g_free(cmd_line);
 560                         i++;
 561                         }
 562
 563                 if (command_line_errors->len > 0)
 564                         {
 565                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 566                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 567                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 568                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 569                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 570                         gtk_widget_destroy(dialog_warning);
 571                         g_string_free(command_line_errors, TRUE);
 572
 573                         exit(EXIT_FAILURE);
 574                         }
 575
 576                 g_free(base_dir);
 577                 parse_out_relatives(command_line->path);
 578                 parse_out_relatives(command_line->file);
 579                 }
 580
 581         list = g_list_reverse(list);
 582
 583         if (!command_line->path && first_dir)
 584                 {
 585                 command_line->path = first_dir;
 586                 first_dir = nullptr;
 587
 588                 parse_out_relatives(command_line->path);
 589                 }
 590         g_free(first_dir);
 591
 592         if (!command_line->new_instance)
 593                 {
 594                 /* If Geeqie is already running, prevent a second instance
 595                  * from being started. Open a new window instead.
 596                  */
 597                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 598                 if (remote_server_exists(app_lock) && !remote_do)
 599                         {
 600                         remote_do = TRUE;
 601                         if (command_line->geometry)
 602                                 {
 603                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 604                                 remote_list = g_list_prepend(remote_list, geometry);
 605                                 }
 606                         remote_list = g_list_prepend(remote_list, g_strdup("--new-window"));
 607                         }
 608                 g_free(app_lock);
 609                 }
 610
 611         if (remote_do)
 612                 {
 613                 if (remote_errors)
 614                         {
 615                         GList *work = remote_errors;
 616
 617                         while (work)
 618                                 {
 619                                 auto opt = static_cast<gchar *>(work->data);
 620
 621                                 command_line_errors = g_string_append(command_line_errors, opt);
 622                                 command_line_errors = g_string_append(command_line_errors, "\n");
 623                                 work = work->next;
 624                                 }
 625
 626                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 627                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 628                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 629                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 630                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 631                         gtk_widget_destroy(dialog_warning);
 632                         g_string_free(command_line_errors, TRUE);
 633
 634                         exit(EXIT_FAILURE);
 635                         }
 636
 637                 /* prepend the current dir the remote command was made from,
 638                  * for use by any remote command that needs it
 639                  */
 640                 current_dir = g_get_current_dir();
 641                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 642                 remote_list = g_list_prepend(remote_list, pwd);
 643
 644                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 645                 /* There is no return to this point
 646                  */
 647                 g_free(pwd);
 648                 g_free(current_dir);
 649                 }
 650         g_free(geometry);
 651         g_list_free(remote_list);
 652
 653         if (list && list->next)
 654                 {
 655                 command_line->cmd_list = list;
 656                 }
 657         else
 658                 {
 659                 g_list_free_full(list, g_free);
 660                 command_line->cmd_list = nullptr;
 661                 }
 662
 663         if (command_line->startup_blank)
 664                 {
 665                 g_free(command_line->path);
 666                 command_line->path = nullptr;
 667                 g_free(command_line->file);
 668                 command_line->file = nullptr;
 669                 filelist_free(command_line->cmd_list);
 670                 command_line->cmd_list = nullptr;
 671                 g_list_free_full(command_line->collection_list, g_free);
 672                 command_line->collection_list = nullptr;
 673                 }
 674 }
 675
 676 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 677 {
 678 #ifdef DEBUG
 679         const gchar *debug_option = "--debug";
 680         gint len = strlen(debug_option);
 681
 682         if (argc > 1)
 683                 {
 684                 gint i;
 685
 686                 for (i = 1; i < argc; i++)
 687                         {
 688                         const gchar *cmd_line = argv[i];
 689                         if (strncmp(cmd_line, debug_option, len) == 0)
 690                                 {
 691                                 gint cmd_line_len = strlen(cmd_line);
 692
 693                                 /* we now increment the debug state for verbosity */
 694                                 if (cmd_line_len == len)
 695                                         debug_level_add(1);
 696                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 697                                         {
 698                                         gint n = atoi(cmd_line + len + 1);
 699                                         if (n < 0) n = 1;
 700                                         debug_level_add(n);
 701                                         }
 702                                 }
 703                         }
 704                 }
 705
 706         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 707 #endif
 708 }
 709
 710 #ifdef HAVE_CLUTTER
 711 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 712 {
 713         const gchar *clutter_option = "--disable-clutter";
 714         gint len = strlen(clutter_option);
 715         gboolean ret = FALSE;
 716
 717         if (argc > 1)
 718                 {
 719                 gint i;
 720
 721                 for (i = 1; i < argc; i++)
 722                         {
 723                         const gchar *cmd_line = argv[i];
 724                         if (strncmp(cmd_line, clutter_option, len) == 0)
 725                                 {
 726                                 ret = TRUE;
 727                                 }
 728                         }
 729                 }
 730
 731         return ret;
 732 }
 733 #endif
 734
 735 static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 736 {
 737         const gchar *cache_maintenance_option = "--cache-maintenance";
 738         gint len = strlen(cache_maintenance_option);
 739         gboolean ret = FALSE;
 740
 741         if (argc >= 2)
 742                 {
 743                 const gchar *cmd_line = argv[1];
 744                 if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
 745                         {
 746                         ret = TRUE;
 747                         }
 748                 }
 749
 750         return ret;
 751 }
 752
 753 static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 754 {
 755         gchar *rc_path;
 756         gchar *folder_path = nullptr;
 757         gsize size;
 758         gsize i = 0;
 759         gchar *buf_config_file;
 760         gint diff_count;
 761
 762         if (argc >= 3)
 763                 {
 764                 folder_path = expand_tilde(argv[2]);
 765
 766                 if (isdir(folder_path))
 767                         {
 768                         rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
 769
 770                         if (isfile(rc_path))
 771                                 {
 772                                 if (g_file_get_contents(rc_path, &buf_config_file, &size, nullptr))
 773                                         {
 774                                         while (i < size)
 775                                                 {
 776                                                 diff_count = strncmp("</global>", &buf_config_file[i], 9);
 777                                                 if (diff_count == 0)
 778                                                         {
 779                                                         break;
 780                                                         }
 781                                                 i++;
 782                                                 }
 783                                         /* Load only the <global> section */
 784                                         load_config_from_buf(buf_config_file, i + 9, FALSE);
 785
 786                                         if (options->thumbnails.enable_caching)
 787                                                 {
 788                                                 cache_maintenance(folder_path);
 789                                                 }
 790                                         else
 791                                                 {
 792                                                 print_term(TRUE, "Caching not enabled\n");
 793                                                 exit(EXIT_FAILURE);
 794                                                 }
 795                                         g_free(buf_config_file);
 796                                         }
 797                                 else
 798                                         {
 799                                         print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
 800                                         exit(EXIT_FAILURE);
 801                                         }
 802                                 }
 803                         else
 804                                 {
 805                                 print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
 806                                 exit(EXIT_FAILURE);
 807                                 }
 808                         g_free(rc_path);
 809                         }
 810                 else
 811                         {
 812                         print_term(TRUE, g_strconcat(argv[2], _(" is not a folder\n"), NULL));
 813                         exit(EXIT_FAILURE);
 814                         }
 815                 g_free(folder_path);
 816                 }
 817         else
 818                 {
 819                 print_term(TRUE, _("No path parameter given\n"));
 820                 exit(EXIT_FAILURE);
 821                 }
 822 }
 823
 824 /*
 825  *-----------------------------------------------------------------------------
 826  * startup, init, and exit
 827  *-----------------------------------------------------------------------------
 828  */
 829
 830 #define RC_HISTORY_NAME "history"
 831 #define RC_MARKS_NAME "marks"
 832
 833 static void setup_env_path()
 834 {
 835         const gchar *old_path = g_getenv("PATH");
 836         gchar *path = g_strconcat(gq_bindir, ":", old_path, NULL);
 837         g_setenv("PATH", path, TRUE);
 838         g_free(path);
 839 }
 840
 841 static void keys_load()
 842 {
 843         gchar *path;
 844
 845         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 846         history_list_load(path);
 847         g_free(path);
 848 }
 849
 850 static void keys_save()
 851 {
 852         gchar *path;
 853
 854         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 855         history_list_save(path);
 856         g_free(path);
 857 }
 858
 859 static void marks_load()
 860 {
 861         gchar *path;
 862
 863         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 864         marks_list_load(path);
 865         g_free(path);
 866 }
 867
 868 static void marks_save(gboolean save)
 869 {
 870         gchar *path;
 871
 872         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 873         marks_list_save(path, save);
 874         g_free(path);
 875 }
 876
 877 static void mkdir_if_not_exists(const gchar *path)
 878 {
 879         if (isdir(path)) return;
 880
 881         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 882
 883         if (!recursive_mkdir_if_not_exists(path, 0755))
 884                 {
 885                 log_printf(_("Could not create dir:%s\n"), path);
 886                 }
 887 }
 888
 889
 890 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 891  * to improve the reliability in special cases (especially when disk is full)
 892  * These functions are now using secure saving stuff.
 893  */
 894 static void gq_accel_map_print(
 895                     gpointer    data,
 896                     const gchar *accel_path,
 897                     guint       accel_key,
 898                     GdkModifierType accel_mods,
 899                     gboolean    changed)
 900 {
 901         GString *gstring = g_string_new(changed ? nullptr : "; ");
 902         auto ssi = static_cast<SecureSaveInfo *>(data);
 903         gchar *tmp, *name;
 904
 905         g_string_append(gstring, "(gtk_accel_path \"");
 906
 907         tmp = g_strescape(accel_path, nullptr);
 908         g_string_append(gstring, tmp);
 909         g_free(tmp);
 910
 911         g_string_append(gstring, "\" \"");
 912
 913         name = gtk_accelerator_name(accel_key, accel_mods);
 914         tmp = g_strescape(name, nullptr);
 915         g_free(name);
 916         g_string_append(gstring, tmp);
 917         g_free(tmp);
 918
 919         g_string_append(gstring, "\")\n");
 920
 921         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 922
 923         g_string_free(gstring, TRUE);
 924 }
 925
 926 static gboolean gq_accel_map_save(const gchar *path)
 927 {
 928         gchar *pathl;
 929         SecureSaveInfo *ssi;
 930         GString *gstring;
 931
 932         pathl = path_from_utf8(path);
 933         ssi = secure_open(pathl);
 934         g_free(pathl);
 935         if (!ssi)
 936                 {
 937                 log_printf(_("error saving file: %s\n"), path);
 938                 return FALSE;
 939                 }
 940
 941         gstring = g_string_new("; ");
 942         if (g_get_prgname())
 943                 g_string_append(gstring, g_get_prgname());
 944         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 945         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 946         g_string_append(gstring, ";\n");
 947
 948         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 949
 950         g_string_free(gstring, TRUE);
 951
 952         gtk_accel_map_foreach(ssi, gq_accel_map_print);
 953
 954         if (secure_close(ssi))
 955                 {
 956                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 957                            secsave_strerror(secsave_errno));
 958                 return FALSE;
 959                 }
 960
 961         return TRUE;
 962 }
 963
 964 static gchar *accep_map_filename()
 965 {
 966         return g_build_filename(get_rc_dir(), "accels", NULL);
 967 }
 968
 969 static void accel_map_save()
 970 {
 971         gchar *path;
 972
 973         path = accep_map_filename();
 974         gq_accel_map_save(path);
 975         g_free(path);
 976 }
 977
 978 static void accel_map_load()
 979 {
 980         gchar *path;
 981         gchar *pathl;
 982
 983         path = accep_map_filename();
 984         pathl = path_from_utf8(path);
 985         gtk_accel_map_load(pathl);
 986         g_free(pathl);
 987         g_free(path);
 988 }
 989
 990 static void gtkrc_load()
 991 {
 992         gchar *path;
 993         gchar *pathl;
 994
 995         /* If a gtkrc file exists in the rc directory, add it to the
 996          * list of files to be parsed at the end of gtk_init() */
 997         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 998         pathl = path_from_utf8(path);
 999         if (access(pathl, R_OK) == 0)
1000                 gtk_rc_add_default_file(pathl);
1001         g_free(pathl);
1002         g_free(path);
1003 }
1004
1005 static void exit_program_final()
1006 {
1007         LayoutWindow *lw = nullptr;
1008         GList *list;
1009         LayoutWindow *tmp_lw;
1010         gchar *archive_dir;
1011         GFile *archive_file;
1012
1013          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
1014         layout_editors_reload_finish();
1015
1016         remote_close(remote_connection);
1017
1018         collect_manager_flush();
1019
1020         /* Save the named windows */
1021         if (layout_window_list && layout_window_list->next)
1022                 {
1023                 list = layout_window_list;
1024                 while (list)
1025                         {
1026                         tmp_lw = static_cast<LayoutWindow *>(list->data);
1027                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
1028                                 {
1029                                 save_layout(static_cast<LayoutWindow *>(list->data));
1030                                 }
1031                         list = list->next;
1032                         }
1033                 }
1034
1035         save_options(options);
1036         keys_save();
1037         accel_map_save();
1038
1039         if (layout_valid(&lw))
1040                 {
1041                 layout_free(lw);
1042                 }
1043
1044         /* Delete any files/folders in /tmp that have been created by the open archive function */
1045         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
1046         if (isdir(archive_dir))
1047                 {
1048                 archive_file = g_file_new_for_path(archive_dir);
1049                 rmdir_recursive(archive_file, nullptr, nullptr);
1050                 g_free(archive_dir);
1051                 g_object_unref(archive_file);
1052                 }
1053
1054         /* If there are still sub-dirs created by another instance, this will fail
1055          * but that does not matter */
1056         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
1057         if (isdir(archive_dir))
1058                 {
1059                 archive_file = g_file_new_for_path(archive_dir);
1060                 g_file_delete(archive_file, nullptr, nullptr);
1061                 g_free(archive_dir);
1062                 g_object_unref(archive_file);
1063                 }
1064
1065         secure_close(command_line->ssi);
1066
1067         gtk_main_quit();
1068 }
1069
1070 static GenericDialog *exit_dialog = nullptr;
1071
1072 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer UNUSED(data))
1073 {
1074         exit_dialog = nullptr;
1075         generic_dialog_close(gd);
1076 }
1077
1078 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer UNUSED(data))
1079 {
1080         exit_dialog = nullptr;
1081         generic_dialog_close(gd);
1082         exit_program_final();
1083 }
1084
1085 static gint exit_confirm_dlg()
1086 {
1087         GtkWidget *parent;
1088         LayoutWindow *lw;
1089         gchar *msg;
1090
1091         if (exit_dialog)
1092                 {
1093                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1094                 return TRUE;
1095                 }
1096
1097         if (!collection_window_modified_exists()) return FALSE;
1098
1099         parent = nullptr;
1100         lw = nullptr;
1101         if (layout_valid(&lw))
1102                 {
1103                 parent = lw->window;
1104                 }
1105
1106         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
1107         exit_dialog = generic_dialog_new(msg,
1108                                 "exit", parent, FALSE,
1109                                 exit_confirm_cancel_cb, nullptr);
1110         g_free(msg);
1111         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
1112         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
1113                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
1114         g_free(msg);
1115         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, nullptr, exit_confirm_exit_cb, TRUE);
1116
1117         gtk_widget_show(exit_dialog->dialog);
1118
1119         return TRUE;
1120 }
1121
1122 static void exit_program_write_metadata_cb(gint success, const gchar *UNUSED(dest_path), gpointer UNUSED(data))
1123 {
1124         if (success) exit_program();
1125 }
1126
1127 void exit_program()
1128 {
1129         layout_image_full_screen_stop(nullptr);
1130
1131         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, nullptr)) return;
1132
1133         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
1134
1135         if (exit_confirm_dlg()) return;
1136
1137         exit_program_final();
1138 }
1139
1140 /* This code attempts to handle situation when a file mmaped by image_loader
1141  * or by exif loader is truncated by some other process.
1142  * This code is incorrect according to POSIX, because:
1143  *
1144  *   mmap is not async-signal-safe and thus may not be called from a signal handler
1145  *
1146  *   mmap must be called with a valid file descriptor.  POSIX requires that
1147  *   a fildes argument of -1 must cause mmap to return EBADF.
1148  *
1149  * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion of
1150  * an alternative approach.
1151  */
1152 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
1153 /** @FIXME This section needs revising */
1154
1155 #pragma GCC diagnostic push
1156 #pragma GCC diagnostic ignored "-Wunused-function"
1157 #if defined(SIGBUS) && defined(SA_SIGINFO)
1158 static void sigbus_handler_cb_unused(int UNUSED(signum), siginfo_t *info, void *UNUSED(context))
1159 {
1160         /*
1161          * @FIXME Design and implement a POSIX-acceptable approach,
1162          * after first documenting the sitations where SIGBUS occurs.
1163          * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion
1164          */
1165
1166         DEBUG_1("SIGBUS %p NOT HANDLED", info->si_addr);
1167         exit(EXIT_FAILURE);
1168 }
1169 #endif
1170
1171 static void setup_sigbus_handler_unused(void)
1172 {
1173 #if defined(SIGBUS) && defined(SA_SIGINFO)
1174         struct sigaction sigbus_action;
1175         sigfillset(&sigbus_action.sa_mask);
1176         sigbus_action.sa_sigaction = sigbus_handler_cb_unused;
1177         sigbus_action.sa_flags = SA_SIGINFO;
1178
1179         sigaction(SIGBUS, &sigbus_action, NULL);
1180 #endif
1181 }
1182 #pragma GCC diagnostic pop
1183
1184 #ifndef HAVE_DEVELOPER
1185 static void setup_sig_handler()
1186 {
1187         struct sigaction sigsegv_action;
1188         sigfillset(&sigsegv_action.sa_mask);
1189         sigsegv_action.sa_sigaction = sig_handler_cb;
1190         sigsegv_action.sa_flags = SA_SIGINFO;
1191
1192         sigaction(SIGABRT, &sigsegv_action, nullptr);
1193         sigaction(SIGBUS, &sigsegv_action, nullptr);
1194         sigaction(SIGFPE, &sigsegv_action, nullptr);
1195         sigaction(SIGILL, &sigsegv_action, nullptr);
1196         sigaction(SIGIOT, &sigsegv_action, nullptr);
1197         sigaction(SIGSEGV, &sigsegv_action, nullptr);
1198 }
1199 #endif
1200
1201 static void set_theme_bg_color()
1202 {
1203         GdkRGBA bg_color;
1204         GdkColor theme_color;
1205         GtkStyleContext *style_context;
1206         GList *work;
1207         LayoutWindow *lw;
1208
1209         if (!options->image.use_custom_border_color)
1210                 {
1211                 work = layout_window_list;
1212                 lw = static_cast<LayoutWindow *>(work->data);
1213
1214                 style_context = gtk_widget_get_style_context(lw->window);
1215                 gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
1216
1217                 theme_color.red = bg_color.red * 65535;
1218                 theme_color.green = bg_color.green * 65535;
1219                 theme_color.blue = bg_color.blue * 65535;
1220
1221                 while (work)
1222                         {
1223                         lw = static_cast<LayoutWindow *>(work->data);
1224                         image_background_set_color(lw->image, &theme_color);
1225                         work = work->next;
1226                         }
1227                 }
1228
1229         view_window_colors_update();
1230 }
1231
1232 static gboolean theme_change_cb(GObject *UNUSED(gobject), GParamSpec *UNUSED(pspec), gpointer UNUSED(data))
1233 {
1234         set_theme_bg_color();
1235
1236         return FALSE;
1237 }
1238
1239 /**
1240  * @brief Set up the application paths
1241  *
1242  * This function is required for use of AppImages. AppImages are
1243  * relocatable, and therefore cannot use fixed paths to various components.
1244  * These paths were originally #defines created during compilation.
1245  * They are now variables, all defined relative to one level above the
1246  * directory that the executable is run from.
1247  */
1248 static void create_application_paths()
1249 {
1250         gchar *dirname;
1251         gint length;
1252         gchar *path;
1253
1254         length = wai_getExecutablePath(nullptr, 0, nullptr);
1255         path = static_cast<gchar *>(malloc(length + 1));
1256         wai_getExecutablePath(path, length, nullptr);
1257         path[length] = '\0';
1258
1259         gq_executable_path = g_strdup(path);
1260         dirname = g_path_get_dirname(gq_executable_path);
1261         gq_prefix = g_path_get_dirname(dirname);
1262
1263         gq_localedir = g_build_filename(gq_prefix, GQ_LOCALEDIR, NULL);
1264         gq_helpdir = g_build_filename(gq_prefix, GQ_HELPDIR, NULL);
1265         gq_htmldir = g_build_filename(gq_prefix, GQ_HTMLDIR, NULL);
1266         gq_appdir = g_build_filename(gq_prefix, GQ_APPDIR, NULL);
1267         gq_bindir = g_build_filename(gq_prefix, GQ_BINDIR, NULL);
1268         desktop_file_template = g_build_filename(gq_appdir, "template.desktop", NULL);
1269
1270         g_free(dirname);
1271         g_free(path);
1272 }
1273
1274 gint main(gint argc, gchar *argv[])
1275 {
1276         CollectionData *first_collection = nullptr;
1277         gchar *buf;
1278         CollectionData *cd = nullptr;
1279         gboolean disable_clutter = FALSE;
1280         gboolean single_dir = TRUE;
1281         LayoutWindow *lw;
1282         GtkSettings *default_settings;
1283
1284         gdk_set_allowed_backends("x11,*");
1285
1286         gdk_threads_init();
1287         gdk_threads_enter();
1288
1289         /* seg. fault handler */
1290 #ifdef HAVE_DEVELOPER
1291         backward::SignalHandling sh{};
1292 #else
1293         setup_sig_handler();
1294 #endif
1295
1296         /* init execution time counter (debug only) */
1297         init_exec_time();
1298
1299         create_application_paths();
1300
1301         /* setup locale, i18n */
1302         setlocale(LC_ALL, "");
1303
1304 #ifdef ENABLE_NLS
1305         bindtextdomain(PACKAGE, gq_localedir);
1306         bind_textdomain_codeset(PACKAGE, "UTF-8");
1307         textdomain(PACKAGE);
1308 #endif
1309
1310         exif_init();
1311
1312 #ifdef HAVE_LUA
1313         lua_init();
1314 #endif
1315
1316         /* setup random seed for random slideshow */
1317         srand(time(nullptr));
1318
1319 #if 0
1320         /* See later comment; this handler leads to UB. */
1321         setup_sigbus_handler();
1322 #endif
1323
1324         /* register global notify functions */
1325         file_data_register_notify_func(cache_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1326         file_data_register_notify_func(thumb_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1327         file_data_register_notify_func(histogram_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1328         file_data_register_notify_func(collect_manager_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1329         file_data_register_notify_func(metadata_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1330
1331
1332         gtkrc_load();
1333
1334         parse_command_line_for_debug_option(argc, argv);
1335         DEBUG_1("%s main: gtk_init", get_exec_time());
1336 #ifdef HAVE_CLUTTER
1337         if (parse_command_line_for_clutter_option(argc, argv))
1338                 {
1339                 disable_clutter = TRUE;
1340                 gtk_init(&argc, &argv);
1341                 }
1342         else
1343                 {
1344                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1345                         {
1346                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1347                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1348                         exit(1);
1349                         }
1350                 }
1351 #else
1352         gtk_init(&argc, &argv);
1353 #endif
1354
1355         if (gtk_major_version < GTK_MAJOR_VERSION ||
1356             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1357                 {
1358                 log_printf("!!! This is a friendly warning.\n");
1359                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1360                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1361                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1362                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1363                 }
1364
1365         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1366         gtk_icon_theme_add_resource_path(gtk_icon_theme_get_default(), GQ_RESOURCE_PATH_ICONS);
1367         pixbuf_inline_register_stock_icons();
1368
1369         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1370         options = init_options(nullptr);
1371         setup_default_options(options);
1372         if (disable_clutter)
1373                 {
1374                 options->disable_gpu = TRUE;
1375                 }
1376
1377         /* Generate a unique identifier used by the open archive function */
1378         instance_identifier = g_strdup_printf("%x", g_random_int());
1379
1380         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1381         /* these functions don't depend on config file */
1382         mkdir_if_not_exists(get_rc_dir());
1383         mkdir_if_not_exists(get_collections_dir());
1384         mkdir_if_not_exists(get_thumbnails_cache_dir());
1385         mkdir_if_not_exists(get_metadata_cache_dir());
1386         mkdir_if_not_exists(get_window_layouts_dir());
1387
1388         setup_env_path();
1389
1390         if (parse_command_line_for_cache_maintenance_option(argc, argv))
1391                 {
1392                 process_command_line_for_cache_maintenance_option(argc, argv);
1393                 }
1394         else
1395                 {
1396                 DEBUG_1("%s main: parse_command_line", get_exec_time());
1397                 parse_command_line(argc, argv);
1398
1399                 keys_load();
1400                 accel_map_load();
1401
1402                 /* restore session from the config file */
1403
1404
1405                 DEBUG_1("%s main: load_options", get_exec_time());
1406                 if (!load_options(options))
1407                         {
1408                         /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1409                         filter_add_defaults();
1410                         filter_rebuild();
1411                         }
1412
1413         #ifdef HAVE_CLUTTER
1414         /** @FIXME For the background of this see:
1415          * https://github.com/BestImageViewer/geeqie/issues/397
1416          * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1417          * system is liable to exhibit this problem.
1418          * The user is provided with an override in Preferences/Behavior
1419          */
1420                 if (!options->override_disable_gpu && !options->disable_gpu)
1421                         {
1422                         DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1423                         if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1424                                 {
1425                                 options->disable_gpu = TRUE;
1426                                 }
1427                         }
1428         #endif
1429
1430                 /* handle missing config file and commandline additions*/
1431                 if (!layout_window_list)
1432                         {
1433                         /* broken or no config file or no <layout> section */
1434                         layout_new_from_default();
1435                         }
1436
1437                 layout_editors_reload_start();
1438
1439                 /* If no --list option, open a separate collection window for each
1440                  * .gqv file on the command line
1441                  */
1442                 if (command_line->collection_list && !command_line->startup_command_line_collection)
1443                         {
1444                         GList *work;
1445
1446                         work = command_line->collection_list;
1447                         while (work)
1448                                 {
1449                                 CollectWindow *cw;
1450                                 const gchar *path;
1451
1452                                 path = static_cast<const gchar *>(work->data);
1453                                 work = work->next;
1454
1455                                 cw = collection_window_new(path);
1456                                 if (!first_collection && cw) first_collection = cw->cd;
1457                                 }
1458                         }
1459
1460                 if (command_line->log_file)
1461                         {
1462                         gchar *pathl;
1463                         gchar *path = g_strdup(command_line->log_file);
1464
1465                         pathl = path_from_utf8(path);
1466                         command_line->ssi = secure_open(pathl);
1467                         }
1468
1469                 /* If there is a files list on the command line and no --list option,
1470                  * check if they are all in the same folder
1471                  */
1472                 if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1473                         {
1474                         GList *work;
1475                         gchar *path = nullptr;
1476
1477                         work = command_line->cmd_list;
1478
1479                         while (work && single_dir)
1480                                 {
1481                                 gchar *dirname;
1482
1483                                 dirname = g_path_get_dirname(static_cast<const gchar *>(work->data));
1484                                 if (!path)
1485                                         {
1486                                         path = g_strdup(dirname);
1487                                         }
1488                                 else
1489                                         {
1490                                         if (g_strcmp0(path, dirname) != 0)
1491                                                 {
1492                                                 single_dir = FALSE;
1493                                                 }
1494                                         }
1495                                 g_free(dirname);
1496                                 work = work->next;
1497                                 }
1498                         g_free(path);
1499                         }
1500
1501                 /* Files from multiple folders, or --list option given
1502                  * then open an unnamed collection and insert all files
1503                  */
1504                 if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1505                         {
1506                         GList *work;
1507                         CollectWindow *cw;
1508
1509                         cw = collection_window_new(nullptr);
1510                         cd = cw->cd;
1511
1512                         collection_path_changed(cd);
1513
1514                         work = command_line->cmd_list;
1515                         while (work)
1516                                 {
1517                                 FileData *fd;
1518
1519                                 fd = file_data_new_simple(static_cast<const gchar *>(work->data));
1520                                 collection_add(cd, fd, FALSE);
1521                                 file_data_unref(fd);
1522                                 work = work->next;
1523                                 }
1524
1525                         work = command_line->collection_list;
1526                         while (work)
1527                                 {
1528                                 collection_load(cd, static_cast<gchar *>(work->data), COLLECTION_LOAD_APPEND);
1529                                 work = work->next;
1530                                 }
1531
1532                         if (cd->list) layout_image_set_collection(nullptr, cd, static_cast<CollectInfo *>(cd->list->data));
1533
1534                         /* mem leak, we never unref this collection when !startup_command_line_collection
1535                          * (the image view of the main window does not hold a ref to the collection)
1536                          * this is sort of unavoidable, for if it did hold a ref, next/back
1537                          * may not work as expected when closing collection windows.
1538                          *
1539                          * collection_unref(cd);
1540                          */
1541
1542                         }
1543                 else if (first_collection)
1544                         {
1545                         layout_image_set_collection(nullptr, first_collection,
1546                                                     collection_get_first(first_collection));
1547                         }
1548
1549                 /* If the files on the command line are from one folder, select those files
1550                  * unless it is a command line collection - then leave focus on collection window
1551                  */
1552                 lw = nullptr;
1553                 layout_valid(&lw);
1554
1555                 if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1556                         {
1557                         GList *work;
1558                         GList *selected;
1559                         FileData *fd;
1560
1561                         selected = nullptr;
1562                         work = command_line->cmd_list;
1563                         while (work)
1564                                 {
1565                                 fd = file_data_new_simple(static_cast<gchar *>(work->data));
1566                                 selected = g_list_append(selected, fd);
1567                                 file_data_unref(fd);
1568                                 work = work->next;
1569                                 }
1570                         layout_select_list(lw, selected);
1571                         }
1572
1573                 buf = g_build_filename(get_rc_dir(), ".command", NULL);
1574                 remote_connection = remote_server_init(buf, cd);
1575                 g_free(buf);
1576
1577                 marks_load();
1578
1579                 default_settings = gtk_settings_get_default();
1580                 g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
1581                 set_theme_bg_color();
1582                 }
1583
1584         /* Show a fade-out notification window if the server has a newer AppImage version */
1585         if (options->appimage_notifications && g_getenv("APPDIR") && strstr(g_getenv("APPDIR"), "/tmp/.mount_Geeqie"))
1586                 {
1587                 appimage_notification();
1588                 }
1589
1590         DEBUG_1("%s main: gtk_main", get_exec_time());
1591         gtk_main();
1592
1593         gdk_threads_leave();
1594         return 0;
1595 }
1596 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */