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 "main.h"
  23
  24 #include <unistd.h>
  25
  26 #include <clocale>
  27 #include <csignal>
  28 #include <cstdlib>
  29 #include <cstring>
  30 #include <ctime>
  31
  32 #include <config.h>
  33
  34 #if HAVE_CLUTTER
  35 #  include <clutter-gtk/clutter-gtk.h>
  36 #  include <clutter/clutter.h>
  37 #endif
  38
  39 #if HAVE_EXECINFO_H
  40 #include <execinfo.h>
  41 #endif
  42
  43 #include <gdk/gdk.h>
  44 #include <gio/gio.h>
  45 #include <glib-object.h>
  46 #include <gtk/gtk.h>
  47
  48 #ifdef ENABLE_NLS
  49 #  include <libintl.h>
  50 #endif
  51
  52 #if HAVE_DEVELOPER
  53 #include "third-party/backward.h"
  54 #endif
  55
  56 #include "cache-maint.h"
  57 #include "cache.h"
  58 #include "collect-io.h"
  59 #include "collect.h"
  60 #include "compat.h"
  61 #include "debug.h"
  62 #include "exif.h"
  63 #include "filedata.h"
  64 #include "filefilter.h"
  65 #include "glua.h"
  66 #include "histogram.h"
  67 #include "history-list.h"
  68 #include "image.h"
  69 #include "img-view.h"
  70 #include "intl.h"
  71 #include "layout-image.h"
  72 #include "layout-util.h"
  73 #include "layout.h"
  74 #include "main-defines.h"
  75 #include "metadata.h"
  76 #include "misc.h"
  77 #include "options.h"
  78 #include "pixbuf-util.h"
  79 #include "rcfile.h"
  80 #include "remote.h"
  81 #include "secure-save.h"
  82 #include "third-party/whereami.h"
  83 #include "thumb.h"
  84 #include "ui-fileops.h"
  85 #include "ui-utildlg.h"
  86
  87 gboolean thumb_format_changed = FALSE;
  88 static RemoteConnection *remote_connection = nullptr;
  89
  90 gchar *gq_prefix;
  91 gchar *gq_localedir;
  92 gchar *gq_helpdir;
  93 gchar *gq_htmldir;
  94 gchar *gq_appdir;
  95 gchar *gq_bindir;
  96 gchar *gq_executable_path;
  97 gchar *desktop_file_template;
  98 gchar *instance_identifier;
  99
 100 #if defined(SA_SIGINFO)
 101 void sig_handler_cb(int signo, siginfo_t *info, void *)
 102 {
 103         gchar hex_char[16];
 104         const gchar *signal_name = nullptr;
 105         gint i = 0;
 106         guint64 addr;
 107         guint64 char_index;
 108         ssize_t len;
 109 #if HAVE_EXECINFO_H
 110         gint bt_size;
 111         void *bt[1024];
 112 #endif
 113         struct signals
 114                 {
 115                 gint sig_no;
 116                 const gchar *sig_name;
 117                 };
 118         struct signals signals_list[7];
 119
 120         signals_list[0].sig_no = SIGABRT;
 121         signals_list[0].sig_name = "Abort";
 122         signals_list[1].sig_no = SIGBUS;
 123         signals_list[1].sig_name = "Bus error";
 124         signals_list[2].sig_no = SIGFPE;
 125         signals_list[2].sig_name = "Floating-point exception";
 126         signals_list[3].sig_no = SIGILL;
 127         signals_list[3].sig_name = "Illegal instruction";
 128         signals_list[4].sig_no = SIGIOT;
 129         signals_list[4].sig_name = "IOT trap";
 130         signals_list[5].sig_no = SIGSEGV;
 131         signals_list[5].sig_name = "Invalid memory reference";
 132         signals_list[6].sig_no = -1;
 133         signals_list[6].sig_name = "END";
 134
 135         hex_char[0] = '0';
 136         hex_char[1] = '1';
 137         hex_char[2] = '2';
 138         hex_char[3] = '3';
 139         hex_char[4] = '4';
 140         hex_char[5] = '5';
 141         hex_char[6] = '6';
 142         hex_char[7] = '7';
 143         hex_char[8] = '8';
 144         hex_char[9] = '9';
 145         hex_char[10] = 'a';
 146         hex_char[11] = 'b';
 147         hex_char[12] = 'c';
 148         hex_char[13] = 'd';
 149         hex_char[14] = 'e';
 150         hex_char[15] = 'f';
 151
 152         signal_name = "Unknown signal";
 153         while (signals_list[i].sig_no != -1)
 154                 {
 155                 if (signo == signals_list[i].sig_no)
 156                         {
 157                         signal_name = signals_list[i].sig_name;
 158                         break;
 159                         }
 160                 i++;
 161                 }
 162
 163         len = write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 164         len = write(STDERR_FILENO, "Signal: ", 8);
 165         len = write(STDERR_FILENO, signal_name, strlen(signal_name));
 166         len = write(STDERR_FILENO, "\n", 1);
 167
 168         len = write(STDERR_FILENO, "Code: ", 6);
 169         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"));
 170         len = write(STDERR_FILENO, "\n", 1);
 171
 172         len = write(STDERR_FILENO, "Address: ", 9);
 173
 174         if (info->si_addr == nullptr)
 175                 {
 176                 len = write(STDERR_FILENO, "0x0\n", 4);
 177                 }
 178         else
 179                 {
 180                 /* Assume the address is 64-bit */
 181                 len = write(STDERR_FILENO, "0x", 2);
 182                 addr = reinterpret_cast<guint64>(info->si_addr);
 183
 184                 for (i = 0; i < 16; i++)
 185                         {
 186                         char_index = addr & 0xf000000000000000;
 187                         char_index = char_index >> 60;
 188                         addr = addr << 4;
 189
 190                         len = write(STDERR_FILENO, &hex_char[char_index], 1);
 191                         }
 192                 len = write(STDERR_FILENO, "\n", 1);
 193                 }
 194
 195 #if HAVE_EXECINFO_H
 196         bt_size = backtrace(bt, 1024);
 197         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 198 #endif
 199
 200         /* Avoid "not used" warning */
 201         len++;
 202
 203         exit(EXIT_FAILURE);
 204 }
 205 #else /* defined(SA_SIGINFO) */
 206 void sig_handler_cb(int)
 207 {
 208 #if HAVE_EXECINFO_H
 209         gint bt_size;
 210         void *bt[1024];
 211 #endif
 212
 213         write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 214         write(STDERR_FILENO, "Signal: Segmentation fault\n", 27);
 215
 216 #if HAVE_EXECINFO_H
 217         bt_size = backtrace(bt, 1024);
 218         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 219 #endif
 220
 221         exit(EXIT_FAILURE);
 222 }
 223 #endif /* defined(SA_SIGINFO) */
 224
 225 /*
 226  *-----------------------------------------------------------------------------
 227  * command line parser (private) hehe, who needs popt anyway?
 228  *-----------------------------------------------------------------------------
 229  */
 230
 231 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 232                                         GList **list, GList **collection_list)
 233 {
 234         gchar *path_parsed;
 235
 236         path_parsed = g_strdup(file_path);
 237         parse_out_relatives(path_parsed);
 238
 239         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 240                 {
 241                 *collection_list = g_list_append(*collection_list, path_parsed);
 242                 }
 243         else
 244                 {
 245                 if (!*path) *path = remove_level_from_path(path_parsed);
 246                 if (!*file) *file = g_strdup(path_parsed);
 247                 *list = g_list_prepend(*list, path_parsed);
 248                 }
 249 }
 250
 251 static void parse_command_line_add_dir(const gchar *dir, gchar **, gchar **, GList **)
 252 {
 253 #if 0
 254         /* This is broken because file filter is not initialized yet.
 255         */
 256         GList *files;
 257         gchar *path_parsed;
 258         FileData *dir_fd;
 259
 260         path_parsed = g_strdup(dir);
 261         parse_out_relatives(path_parsed);
 262         dir_fd = file_data_new_dir(path_parsed);
 263
 264
 265         if (filelist_read(dir_fd, &files, NULL))
 266                 {
 267                 GList *work;
 268
 269                 files = filelist_filter(files, FALSE);
 270                 files = filelist_sort_path(files);
 271
 272                 work = files;
 273                 while (work)
 274                         {
 275                         FileData *fd = static_cast<FileData *>(work->data);
 276                         if (!*path) *path = remove_level_from_path(fd->path);
 277                         if (!*file) *file = g_strdup(fd->path);
 278                         *list = g_list_prepend(*list, fd);
 279
 280                         work = work->next;
 281                         }
 282
 283                 g_list_free(files);
 284                 }
 285
 286         g_free(path_parsed);
 287         file_data_unref(dir_fd);
 288 #else
 289         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 290 #endif
 291 }
 292
 293 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 294                                            GList **list, gchar **first_dir)
 295 {
 296
 297         if (!*list && !*first_dir)
 298                 {
 299                 *first_dir = g_strdup(dir);
 300                 }
 301         else
 302                 {
 303                 if (*first_dir)
 304                         {
 305                         parse_command_line_add_dir(*first_dir, path, file, list);
 306                         g_free(*first_dir);
 307                         *first_dir = nullptr;
 308                         }
 309                 parse_command_line_add_dir(dir, path, file, list);
 310                 }
 311 }
 312
 313 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 314                                             GList **list, GList **collection_list, gchar **first_dir)
 315 {
 316
 317         if (*first_dir)
 318                 {
 319                 parse_command_line_add_dir(*first_dir, path, file, list);
 320                 g_free(*first_dir);
 321                 *first_dir = nullptr;
 322                 }
 323         parse_command_line_add_file(file_path, path, file, list, collection_list);
 324 }
 325
 326 static void parse_command_line(gint argc, gchar *argv[])
 327 {
 328         GList *list = nullptr;
 329         GList *remote_list = nullptr;
 330         GList *remote_errors = nullptr;
 331         gboolean remote_do = FALSE;
 332         gchar *first_dir = nullptr;
 333         gchar *app_lock;
 334         gchar *pwd;
 335         gchar *current_dir;
 336         gchar *geometry = nullptr;
 337         GtkWidget *dialog_warning;
 338         GString *command_line_errors = g_string_new(nullptr);
 339
 340         command_line = g_new0(CommandLine, 1);
 341
 342         command_line->argc = argc;
 343         command_line->argv = argv;
 344         command_line->regexp = nullptr;
 345
 346         if (argc > 1)
 347                 {
 348                 gint i;
 349                 gchar *base_dir = get_current_dir();
 350                 i = 1;
 351                 while (i < argc)
 352                         {
 353                         gchar *cmd_line = path_to_utf8(argv[i]);
 354                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 355
 356                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 357                                 {
 358                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 359                                 }
 360                         else if (isdir(cmd_all))
 361                                 {
 362                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 363                                 }
 364                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 365                                 {
 366                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 367                                                                 &list, &command_line->collection_list, &first_dir);
 368                                 }
 369                         else if (isfile(cmd_all))
 370                                 {
 371                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 372                                                                 &list, &command_line->collection_list, &first_dir);
 373                                 }
 374                         else if (download_web_file(cmd_line, FALSE, nullptr))
 375                                 {
 376                                 }
 377                         else if (is_collection(cmd_line))
 378                                 {
 379                                 gchar *path = nullptr;
 380
 381                                 path = collection_path(cmd_line);
 382                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 383                                                                 &list, &command_line->collection_list, &first_dir);
 384                                 g_free(path);
 385                                 }
 386                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 387                                 {
 388                                 /* do nothing but do not produce warnings */
 389                                 }
 390                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 391                                 {
 392                                 /* do nothing but do not produce warnings */
 393                                 }
 394                         else if (strcmp(cmd_line, "-T") == 0 ||
 395                                  strcmp(cmd_line, "--with-tools") == 0)
 396                                 {
 397                                 command_line->tools_show = TRUE;
 398
 399                                 remote_list = g_list_append(remote_list, g_strdup("-T"));
 400                                 }
 401                         else if (strcmp(cmd_line, "-t") == 0 ||
 402                                  strcmp(cmd_line, "--without-tools") == 0)
 403                                 {
 404                                 command_line->tools_hide = TRUE;
 405
 406                                 remote_list = g_list_append(remote_list, g_strdup("-t"));
 407                                 }
 408                         else if (strcmp(cmd_line, "-f") == 0 ||
 409                                  strcmp(cmd_line, "--fullscreen") == 0)
 410                                 {
 411                                 command_line->startup_full_screen = TRUE;
 412                                 }
 413                         else if (strcmp(cmd_line, "-s") == 0 ||
 414                                  strcmp(cmd_line, "--slideshow") == 0)
 415                                 {
 416                                 command_line->startup_in_slideshow = TRUE;
 417                                 }
 418                         else if (strcmp(cmd_line, "-l") == 0 ||
 419                                  strcmp(cmd_line, "--list") == 0)
 420                                 {
 421                                 command_line->startup_command_line_collection = TRUE;
 422                                 }
 423                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 424                                 {
 425                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 426                                 }
 427                         else if (strcmp(cmd_line, "-r") == 0 ||
 428                                  strcmp(cmd_line, "--remote") == 0)
 429                                 {
 430                                 if (!remote_do)
 431                                         {
 432                                         remote_do = TRUE;
 433                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 434                                         }
 435                                 }
 436                         else if ((strcmp(cmd_line, "-w") == 0) ||
 437                                                 strcmp(cmd_line, "--show-log-window") == 0)
 438                                 {
 439                                 command_line->log_window_show = TRUE;
 440                                 }
 441                         else if (strncmp(cmd_line, "-o", 2) == 0)
 442                                 {
 443                                 command_line->log_file = g_strdup(cmd_line + 2);
 444                                 }
 445                         else if (strncmp(cmd_line, "--log-file=", 11) == 0)
 446                                 {
 447                                 command_line->log_file = g_strdup(cmd_line + 11);
 448                                 }
 449                         else if (strncmp(cmd_line, "-g", 2) == 0)
 450                                 {
 451                                 set_regexp(g_strdup(cmd_line + 2));
 452                                 }
 453                         else if (strncmp(cmd_line, "--grep=", 7) == 0)
 454                                 {
 455                                 set_regexp(g_strdup(cmd_line + 7));
 456                                 }
 457                         else if (strncmp(cmd_line, "-n", 2) == 0)
 458                                 {
 459                                 command_line->new_instance = TRUE;
 460                                 }
 461                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 462                                 {
 463                                 command_line->new_instance = TRUE;
 464                                 }
 465                         else if (strcmp(cmd_line, "--remote-help") == 0)
 466                                 {
 467                                 remote_help();
 468                                 exit(0);
 469                                 }
 470                         else if (strcmp(cmd_line, "--blank") == 0)
 471                                 {
 472                                 command_line->startup_blank = TRUE;
 473                                 }
 474                         else if (strcmp(cmd_line, "-v") == 0 ||
 475                                  strcmp(cmd_line, "--version") == 0)
 476                                 {
 477                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 478                                 exit(0);
 479                                 }
 480                         else if (strcmp(cmd_line, "-h") == 0 ||
 481                                  strcmp(cmd_line, "--help") == 0)
 482                                 {
 483                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 484                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 485                                 print_term(FALSE, _("Valid options:\n"));
 486                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 487                                 print_term(FALSE, _("      --cache-maintenance=<path>   run cache maintenance in non-GUI mode\n"));
 488                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
 489                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 490                                 print_term(FALSE, _("      --geometry=WxH+XOFF+YOFF     set main window location\n"));
 491                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 492                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 493                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie *\n"));
 494                                 print_term(FALSE, _("  -o, --log-file=<file>            save log data to file\n"));
 495                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 496                                 print_term(FALSE, _("      --remote-help                print remote command list\n"));
 497                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 498                                 print_term(FALSE, _("  -T, --with-tools                 force show of tools\n"));
 499                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 500                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 501                                 print_term(FALSE, _("  -w, --show-log-window            show log window\n"));
 502 #ifdef DEBUG
 503                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 504                                 print_term(FALSE, _("  -g, --grep=<regexp>              filter debug output\n"));
 505 #endif
 506
 507                                 print_term(FALSE, "\n");
 508                                 print_term(FALSE, "* Normally a single set of configuration files is used for all instances.\nHowever, the environment variables XDG_CONFIG_HOME, XDG_CACHE_HOME, XDG_DATA_HOME\ncan be used to modify this behavior on an individual basis e.g.\n\nXDG_CONFIG_HOME=/tmp/a XDG_CACHE_HOME=/tmp/b geeqie\n\n");
 509
 510                                 remote_help();
 511
 512
 513                                 exit(0);
 514                                 }
 515                         else if (!remote_do)
 516                                 {
 517                                 g_string_append_printf(command_line_errors, is_remote_command(cmd_line) ? _("%s\n\nThis is a --remote command option\n") : _("%s\n\nThis option is unknown\n"), cmd_line);
 518                                 }
 519
 520                         g_free(cmd_all);
 521                         g_free(cmd_line);
 522                         i++;
 523                         }
 524
 525                 if (command_line_errors->len > 0)
 526                         {
 527                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 528                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 529                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 530                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 531                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 532                         g_object_unref(dialog_warning);
 533                         g_string_free(command_line_errors, TRUE);
 534
 535                         exit(EXIT_FAILURE);
 536                         }
 537
 538                 g_free(base_dir);
 539                 parse_out_relatives(command_line->path);
 540                 parse_out_relatives(command_line->file);
 541                 }
 542
 543         list = g_list_reverse(list);
 544
 545         if (!command_line->path && first_dir)
 546                 {
 547                 command_line->path = first_dir;
 548                 first_dir = nullptr;
 549
 550                 parse_out_relatives(command_line->path);
 551                 }
 552         g_free(first_dir);
 553
 554         if (!command_line->new_instance)
 555                 {
 556                 /* If Geeqie is already running, prevent a second instance
 557                  * from being started. Open a new window instead.
 558                  */
 559                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 560                 if (remote_server_exists(app_lock) && !remote_do)
 561                         {
 562                         remote_do = TRUE;
 563                         if (command_line->geometry)
 564                                 {
 565                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 566                                 remote_list = g_list_prepend(remote_list, geometry);
 567                                 }
 568                         remote_list = g_list_prepend(remote_list, g_strdup("--new-window"));
 569                         }
 570                 g_free(app_lock);
 571                 }
 572
 573         if (remote_do)
 574                 {
 575                 if (remote_errors)
 576                         {
 577                         GList *work = remote_errors;
 578
 579                         while (work)
 580                                 {
 581                                 auto opt = static_cast<gchar *>(work->data);
 582
 583                                 command_line_errors = g_string_append(command_line_errors, opt);
 584                                 command_line_errors = g_string_append(command_line_errors, "\n");
 585                                 work = work->next;
 586                                 }
 587
 588                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 589                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 590                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 591                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 592                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 593                         g_object_unref(dialog_warning);
 594                         g_string_free(command_line_errors, TRUE);
 595
 596                         exit(EXIT_FAILURE);
 597                         }
 598
 599                 /* prepend the current dir the remote command was made from,
 600                  * for use by any remote command that needs it
 601                  */
 602                 current_dir = g_get_current_dir();
 603                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 604                 remote_list = g_list_prepend(remote_list, pwd);
 605
 606                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 607                 /* There is no return to this point
 608                  */
 609                 g_free(pwd);
 610                 g_free(current_dir);
 611                 }
 612         g_free(geometry);
 613         g_list_free(remote_list);
 614
 615         if (list && list->next)
 616                 {
 617                 command_line->cmd_list = list;
 618                 }
 619         else
 620                 {
 621                 g_list_free_full(list, g_free);
 622                 command_line->cmd_list = nullptr;
 623                 }
 624
 625         if (command_line->startup_blank)
 626                 {
 627                 g_free(command_line->path);
 628                 command_line->path = nullptr;
 629                 g_free(command_line->file);
 630                 command_line->file = nullptr;
 631                 filelist_free(command_line->cmd_list);
 632                 command_line->cmd_list = nullptr;
 633                 g_list_free_full(command_line->collection_list, g_free);
 634                 command_line->collection_list = nullptr;
 635                 }
 636 }
 637
 638 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 639 {
 640 #ifdef DEBUG
 641         const gchar *debug_option = "--debug";
 642         gint len = strlen(debug_option);
 643
 644         if (argc > 1)
 645                 {
 646                 gint i;
 647
 648                 for (i = 1; i < argc; i++)
 649                         {
 650                         const gchar *cmd_line = argv[i];
 651                         if (strncmp(cmd_line, debug_option, len) == 0)
 652                                 {
 653                                 gint cmd_line_len = strlen(cmd_line);
 654
 655                                 /* we now increment the debug state for verbosity */
 656                                 if (cmd_line_len == len)
 657                                         debug_level_add(1);
 658                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 659                                         {
 660                                         gint n = atoi(cmd_line + len + 1);
 661                                         if (n < 0) n = 1;
 662                                         debug_level_add(n);
 663                                         }
 664                                 }
 665                         }
 666                 }
 667
 668         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 669 #endif
 670 }
 671
 672 #if HAVE_CLUTTER
 673 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 674 {
 675         const gchar *clutter_option = "--disable-clutter";
 676         gint len = strlen(clutter_option);
 677         gboolean ret = FALSE;
 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, clutter_option, len) == 0)
 687                                 {
 688                                 ret = TRUE;
 689                                 }
 690                         }
 691                 }
 692
 693         return ret;
 694 }
 695 #endif
 696
 697 static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 698 {
 699         const gchar *cache_maintenance_option = "--cache-maintenance=";
 700         gint len = strlen(cache_maintenance_option);
 701         gboolean ret = FALSE;
 702
 703         if (argc >= 2)
 704                 {
 705                 const gchar *cmd_line = argv[1];
 706                 if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
 707                         {
 708                         ret = TRUE;
 709                         }
 710                 }
 711
 712         return ret;
 713 }
 714
 715 static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 716 {
 717         gchar *rc_path;
 718         gchar *folder_path = nullptr;
 719         gsize size;
 720         gsize i = 0;
 721         gchar *buf_config_file;
 722         gint diff_count;
 723
 724         const gchar *cache_maintenance_option = "--cache-maintenance=";
 725         gint len = strlen(cache_maintenance_option);
 726
 727         if (argc >= 2)
 728                 {
 729                 folder_path = expand_tilde(argv[1] + len);
 730
 731                 if (isdir(folder_path))
 732                         {
 733                         rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
 734
 735                         if (isfile(rc_path))
 736                                 {
 737                                 if (g_file_get_contents(rc_path, &buf_config_file, &size, nullptr))
 738                                         {
 739                                         while (i < size)
 740                                                 {
 741                                                 diff_count = strncmp("</global>", &buf_config_file[i], 9);
 742                                                 if (diff_count == 0)
 743                                                         {
 744                                                         break;
 745                                                         }
 746                                                 i++;
 747                                                 }
 748                                         /* Load only the <global> section */
 749                                         load_config_from_buf(buf_config_file, i + 9, FALSE);
 750
 751                                         if (options->thumbnails.enable_caching)
 752                                                 {
 753                                                 cache_maintenance(folder_path);
 754                                                 }
 755                                         else
 756                                                 {
 757                                                 print_term(TRUE, "Caching not enabled\n");
 758                                                 exit(EXIT_FAILURE);
 759                                                 }
 760                                         g_free(buf_config_file);
 761                                         }
 762                                 else
 763                                         {
 764                                         print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
 765                                         exit(EXIT_FAILURE);
 766                                         }
 767                                 }
 768                         else
 769                                 {
 770                                 print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
 771                                 exit(EXIT_FAILURE);
 772                                 }
 773                         g_free(rc_path);
 774                         }
 775                 else
 776                         {
 777                         print_term(TRUE, g_strconcat(argv[1] + len, _(" is not a folder\n"), NULL));
 778                         exit(EXIT_FAILURE);
 779                         }
 780                 g_free(folder_path);
 781                 }
 782         else
 783                 {
 784                 print_term(TRUE, _("No path parameter given\n"));
 785                 exit(EXIT_FAILURE);
 786                 }
 787 }
 788
 789 /*
 790  *-----------------------------------------------------------------------------
 791  * startup, init, and exit
 792  *-----------------------------------------------------------------------------
 793  */
 794
 795 #define RC_HISTORY_NAME "history"
 796 #define RC_MARKS_NAME "marks"
 797
 798 static void setup_env_path()
 799 {
 800         const gchar *old_path = g_getenv("PATH");
 801         gchar *path = g_strconcat(gq_bindir, ":", old_path, NULL);
 802         g_setenv("PATH", path, TRUE);
 803         g_free(path);
 804 }
 805
 806 static void keys_load()
 807 {
 808         gchar *path;
 809
 810         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 811         history_list_load(path);
 812         g_free(path);
 813 }
 814
 815 static void keys_save()
 816 {
 817         gchar *path;
 818
 819         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 820         history_list_save(path);
 821         g_free(path);
 822 }
 823
 824 static void marks_load()
 825 {
 826         gchar *path;
 827
 828         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 829         marks_list_load(path);
 830         g_free(path);
 831 }
 832
 833 static void marks_save(gboolean save)
 834 {
 835         gchar *path;
 836
 837         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 838         marks_list_save(path, save);
 839         g_free(path);
 840 }
 841
 842 static void mkdir_if_not_exists(const gchar *path)
 843 {
 844         if (isdir(path)) return;
 845
 846         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 847
 848         if (!recursive_mkdir_if_not_exists(path, 0755))
 849                 {
 850                 log_printf(_("Could not create dir:%s\n"), path);
 851                 }
 852 }
 853
 854
 855 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 856  * to improve the reliability in special cases (especially when disk is full)
 857  * These functions are now using secure saving stuff.
 858  */
 859 static void gq_accel_map_print(
 860                     gpointer    data,
 861                     const gchar *accel_path,
 862                     guint       accel_key,
 863                     GdkModifierType accel_mods,
 864                     gboolean    changed)
 865 {
 866         GString *gstring = g_string_new(changed ? nullptr : "; ");
 867         auto ssi = static_cast<SecureSaveInfo *>(data);
 868         gchar *tmp;
 869         gchar *name;
 870
 871         g_string_append(gstring, "(gtk_accel_path \"");
 872
 873         tmp = g_strescape(accel_path, nullptr);
 874         g_string_append(gstring, tmp);
 875         g_free(tmp);
 876
 877         g_string_append(gstring, "\" \"");
 878
 879         name = gtk_accelerator_name(accel_key, accel_mods);
 880         tmp = g_strescape(name, nullptr);
 881         g_free(name);
 882         g_string_append(gstring, tmp);
 883         g_free(tmp);
 884
 885         g_string_append(gstring, "\")\n");
 886
 887         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 888
 889         g_string_free(gstring, TRUE);
 890 }
 891
 892 static gboolean gq_accel_map_save(const gchar *path)
 893 {
 894         gchar *pathl;
 895         SecureSaveInfo *ssi;
 896         GString *gstring;
 897
 898         pathl = path_from_utf8(path);
 899         ssi = secure_open(pathl);
 900         g_free(pathl);
 901         if (!ssi)
 902                 {
 903                 log_printf(_("error saving file: %s\n"), path);
 904                 return FALSE;
 905                 }
 906
 907         gstring = g_string_new("; ");
 908         if (g_get_prgname())
 909                 g_string_append(gstring, g_get_prgname());
 910         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 911         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 912         g_string_append(gstring, ";\n");
 913
 914         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 915
 916         g_string_free(gstring, TRUE);
 917
 918         gtk_accel_map_foreach(ssi, gq_accel_map_print);
 919
 920         if (secure_close(ssi))
 921                 {
 922                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 923                            secsave_strerror(secsave_errno));
 924                 return FALSE;
 925                 }
 926
 927         return TRUE;
 928 }
 929
 930 static gchar *accep_map_filename()
 931 {
 932         return g_build_filename(get_rc_dir(), "accels", NULL);
 933 }
 934
 935 static void accel_map_save()
 936 {
 937         gchar *path;
 938
 939         path = accep_map_filename();
 940         gq_accel_map_save(path);
 941         g_free(path);
 942 }
 943
 944 static void accel_map_load()
 945 {
 946         gchar *path;
 947         gchar *pathl;
 948
 949         path = accep_map_filename();
 950         pathl = path_from_utf8(path);
 951         gtk_accel_map_load(pathl);
 952         g_free(pathl);
 953         g_free(path);
 954 }
 955
 956 static void gtkrc_load()
 957 {
 958         gchar *path;
 959         gchar *pathl;
 960
 961         /* If a gtkrc file exists in the rc directory, add it to the
 962          * list of files to be parsed at the end of gtk_init() */
 963         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 964         pathl = path_from_utf8(path);
 965         if (access(pathl, R_OK) == 0)
 966                 gtk_rc_add_default_file(pathl);
 967         g_free(pathl);
 968         g_free(path);
 969 }
 970
 971 static void exit_program_final()
 972 {
 973         LayoutWindow *lw = nullptr;
 974         GList *list;
 975         LayoutWindow *tmp_lw;
 976         gchar *archive_dir;
 977         GFile *archive_file;
 978
 979          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 980         layout_editors_reload_finish();
 981
 982         remote_close(remote_connection);
 983
 984         collect_manager_flush();
 985
 986         /* Save the named windows */
 987         if (layout_window_list && layout_window_list->next)
 988                 {
 989                 list = layout_window_list;
 990                 while (list)
 991                         {
 992                         tmp_lw = static_cast<LayoutWindow *>(list->data);
 993                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
 994                                 {
 995                                 save_layout(static_cast<LayoutWindow *>(list->data));
 996                                 }
 997                         list = list->next;
 998                         }
 999                 }
1000
1001         save_options(options);
1002         keys_save();
1003         accel_map_save();
1004
1005         if (layout_valid(&lw))
1006                 {
1007                 layout_free(lw);
1008                 }
1009
1010         /* Delete any files/folders in /tmp that have been created by the open archive function */
1011         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
1012         if (isdir(archive_dir))
1013                 {
1014                 archive_file = g_file_new_for_path(archive_dir);
1015                 rmdir_recursive(archive_file, nullptr, nullptr);
1016                 g_free(archive_dir);
1017                 g_object_unref(archive_file);
1018                 }
1019
1020         /* If there are still sub-dirs created by another instance, this will fail
1021          * but that does not matter */
1022         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
1023         if (isdir(archive_dir))
1024                 {
1025                 archive_file = g_file_new_for_path(archive_dir);
1026                 g_file_delete(archive_file, nullptr, nullptr);
1027                 g_free(archive_dir);
1028                 g_object_unref(archive_file);
1029                 }
1030
1031         secure_close(command_line->ssi);
1032
1033         gtk_main_quit();
1034 }
1035
1036 static GenericDialog *exit_dialog = nullptr;
1037
1038 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer)
1039 {
1040         exit_dialog = nullptr;
1041         generic_dialog_close(gd);
1042 }
1043
1044 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer)
1045 {
1046         exit_dialog = nullptr;
1047         generic_dialog_close(gd);
1048         exit_program_final();
1049 }
1050
1051 static gint exit_confirm_dlg()
1052 {
1053         GtkWidget *parent;
1054         LayoutWindow *lw;
1055         gchar *msg;
1056         GString *message;
1057
1058         if (exit_dialog)
1059                 {
1060                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1061                 return TRUE;
1062                 }
1063
1064         if (!collection_window_modified_exists() && (layout_window_count() == 1)) return FALSE;
1065
1066         parent = nullptr;
1067         lw = nullptr;
1068         if (layout_valid(&lw))
1069                 {
1070                 parent = lw->window;
1071                 }
1072
1073         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
1074         exit_dialog = generic_dialog_new(msg,
1075                                 "exit", parent, FALSE,
1076                                 exit_confirm_cancel_cb, nullptr);
1077         g_free(msg);
1078         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
1079
1080         message = g_string_new(nullptr);
1081
1082         if (collection_window_modified_exists())
1083                 {
1084                 message = g_string_append(message, _("Collections have been modified.\n"));
1085                 }
1086
1087         if (layout_window_count() > 1)
1088                 {
1089                 g_string_append_printf(message, _("%d windows are open.\n\n"), layout_window_count());
1090                 }
1091
1092         message = g_string_append(message, _("Quit anyway?"));
1093
1094         generic_dialog_add_message(exit_dialog, GQ_ICON_DIALOG_QUESTION, msg, message->str, TRUE);
1095         g_free(msg);
1096         generic_dialog_add_button(exit_dialog, GQ_ICON_QUIT, _("Quit"), exit_confirm_exit_cb, TRUE);
1097
1098         gtk_widget_show(exit_dialog->dialog);
1099
1100         g_string_free(message, TRUE);
1101
1102         return TRUE;
1103 }
1104
1105 static void exit_program_write_metadata_cb(gint success, const gchar *, gpointer)
1106 {
1107         if (success) exit_program();
1108 }
1109
1110 void exit_program()
1111 {
1112         layout_image_full_screen_stop(nullptr);
1113
1114         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, nullptr)) return;
1115
1116         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
1117
1118         if (exit_confirm_dlg()) return;
1119
1120         exit_program_final();
1121 }
1122
1123 /* This code attempts to handle situation when a file mmaped by image_loader
1124  * or by exif loader is truncated by some other process.
1125  * This code is incorrect according to POSIX, because:
1126  *
1127  *   mmap is not async-signal-safe and thus may not be called from a signal handler
1128  *
1129  *   mmap must be called with a valid file descriptor.  POSIX requires that
1130  *   a fildes argument of -1 must cause mmap to return EBADF.
1131  *
1132  * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion of
1133  * an alternative approach.
1134  */
1135 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
1136 /** @FIXME This section needs revising */
1137
1138 #pragma GCC diagnostic push
1139 #pragma GCC diagnostic ignored "-Wunused-function"
1140 #if defined(SIGBUS) && defined(SA_SIGINFO)
1141 static void sigbus_handler_cb_unused(int, siginfo_t *info, void *)
1142 {
1143         /*
1144          * @FIXME Design and implement a POSIX-acceptable approach,
1145          * after first documenting the sitations where SIGBUS occurs.
1146          * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion
1147          */
1148
1149         DEBUG_1("SIGBUS %p NOT HANDLED", info->si_addr);
1150         exit(EXIT_FAILURE);
1151 }
1152 #endif
1153
1154 static void setup_sigbus_handler_unused()
1155 {
1156 #if defined(SIGBUS) && defined(SA_SIGINFO)
1157         struct sigaction sigbus_action;
1158         sigfillset(&sigbus_action.sa_mask);
1159         sigbus_action.sa_sigaction = sigbus_handler_cb_unused;
1160         sigbus_action.sa_flags = SA_SIGINFO;
1161
1162         sigaction(SIGBUS, &sigbus_action, nullptr);
1163 #endif
1164 }
1165 #pragma GCC diagnostic pop
1166
1167 #if !HAVE_DEVELOPER
1168 static void setup_sig_handler()
1169 {
1170         struct sigaction sigsegv_action;
1171         sigfillset(&sigsegv_action.sa_mask);
1172         sigsegv_action.sa_sigaction = sig_handler_cb;
1173         sigsegv_action.sa_flags = SA_SIGINFO;
1174
1175         sigaction(SIGABRT, &sigsegv_action, nullptr);
1176         sigaction(SIGBUS, &sigsegv_action, nullptr);
1177         sigaction(SIGFPE, &sigsegv_action, nullptr);
1178         sigaction(SIGILL, &sigsegv_action, nullptr);
1179         sigaction(SIGIOT, &sigsegv_action, nullptr);
1180         sigaction(SIGSEGV, &sigsegv_action, nullptr);
1181 }
1182 #endif
1183
1184 static void set_theme_bg_color()
1185 {
1186         GdkRGBA bg_color;
1187         GdkRGBA theme_color;
1188         GtkStyleContext *style_context;
1189         GList *work;
1190         LayoutWindow *lw;
1191
1192         if (!options->image.use_custom_border_color)
1193                 {
1194                 work = layout_window_list;
1195                 lw = static_cast<LayoutWindow *>(work->data);
1196
1197                 style_context = gtk_widget_get_style_context(lw->window);
1198                 gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
1199
1200                 theme_color.red = bg_color.red  ;
1201                 theme_color.green = bg_color.green  ;
1202                 theme_color.blue = bg_color.blue ;
1203
1204                 while (work)
1205                         {
1206                         lw = static_cast<LayoutWindow *>(work->data);
1207                         image_background_set_color(lw->image, &theme_color);
1208                         work = work->next;
1209                         }
1210                 }
1211
1212         view_window_colors_update();
1213 }
1214
1215 static gboolean theme_change_cb(GObject *, GParamSpec *, gpointer)
1216 {
1217         set_theme_bg_color();
1218
1219         return FALSE;
1220 }
1221
1222 /**
1223  * @brief Set up the application paths
1224  *
1225  * This function is required for use of AppImages. AppImages are
1226  * relocatable, and therefore cannot use fixed paths to various components.
1227  * These paths were originally #defines created during compilation.
1228  * They are now variables, all defined relative to one level above the
1229  * directory that the executable is run from.
1230  */
1231 static void create_application_paths()
1232 {
1233         gchar *dirname;
1234         gint length;
1235         gchar *path;
1236
1237         length = wai_getExecutablePath(nullptr, 0, nullptr);
1238         path = static_cast<gchar *>(malloc(length + 1));
1239         wai_getExecutablePath(path, length, nullptr);
1240         path[length] = '\0';
1241
1242         gq_executable_path = g_strdup(path);
1243         dirname = g_path_get_dirname(gq_executable_path);
1244         gq_prefix = g_path_get_dirname(dirname);
1245
1246         gq_localedir = g_build_filename(gq_prefix, GQ_LOCALEDIR, NULL);
1247         gq_helpdir = g_build_filename(gq_prefix, GQ_HELPDIR, NULL);
1248         gq_htmldir = g_build_filename(gq_prefix, GQ_HTMLDIR, NULL);
1249         gq_appdir = g_build_filename(gq_prefix, GQ_APPDIR, NULL);
1250         gq_bindir = g_build_filename(gq_prefix, GQ_BINDIR, NULL);
1251         desktop_file_template = g_build_filename(gq_appdir, "org.geeqie.template.desktop", NULL);
1252
1253         g_free(dirname);
1254         g_free(path);
1255 }
1256
1257 gint main(gint argc, gchar *argv[])
1258 {
1259         CollectionData *cd = nullptr;
1260         CollectionData *first_collection = nullptr;
1261         gboolean disable_clutter = FALSE;
1262         gboolean single_dir = TRUE;
1263         gchar *buf;
1264         GdkScreen *screen;
1265         GtkCssProvider *provider;
1266         GtkSettings *default_settings;
1267         LayoutWindow *lw;
1268
1269         gdk_set_allowed_backends("x11,*");
1270
1271         gdk_threads_init();
1272         gdk_threads_enter();
1273
1274         /* seg. fault handler */
1275 #if HAVE_DEVELOPER
1276         backward::SignalHandling sh{};
1277 #else
1278         setup_sig_handler();
1279 #endif
1280
1281         /* init execution time counter (debug only) */
1282         init_exec_time();
1283
1284         create_application_paths();
1285
1286         /* setup locale, i18n */
1287         setlocale(LC_ALL, "");
1288
1289 #ifdef ENABLE_NLS
1290         bindtextdomain(PACKAGE, gq_localedir);
1291         bind_textdomain_codeset(PACKAGE, "UTF-8");
1292         textdomain(PACKAGE);
1293 #endif
1294
1295         exif_init();
1296
1297 #if HAVE_LUA
1298         lua_init();
1299 #endif
1300
1301         /* setup random seed for random slideshow */
1302         srand(time(nullptr));
1303
1304 #if 0
1305         /* See later comment; this handler leads to UB. */
1306         setup_sigbus_handler();
1307 #endif
1308
1309         /* register global notify functions */
1310         file_data_register_notify_func(cache_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1311         file_data_register_notify_func(thumb_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1312         file_data_register_notify_func(histogram_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1313         file_data_register_notify_func(collect_manager_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1314         file_data_register_notify_func(metadata_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1315
1316
1317         gtkrc_load();
1318
1319         parse_command_line_for_debug_option(argc, argv);
1320         DEBUG_1("%s main: gtk_init", get_exec_time());
1321 #if HAVE_CLUTTER
1322         if (parse_command_line_for_clutter_option(argc, argv))
1323                 {
1324                 disable_clutter = TRUE;
1325                 gtk_init(&argc, &argv);
1326                 }
1327         else
1328                 {
1329                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1330                         {
1331                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1332                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1333                         exit(1);
1334                         }
1335                 }
1336 #else
1337         gtk_init(&argc, &argv);
1338 #endif
1339
1340         if (gtk_major_version < GTK_MAJOR_VERSION ||
1341             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1342                 {
1343                 log_printf("!!! This is a friendly warning.\n");
1344                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1345                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1346                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1347                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1348                 }
1349
1350         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1351         gtk_icon_theme_add_resource_path(gtk_icon_theme_get_default(), GQ_RESOURCE_PATH_ICONS);
1352         pixbuf_inline_register_stock_icons();
1353
1354         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1355         options = init_options(nullptr);
1356         setup_default_options(options);
1357         if (disable_clutter)
1358                 {
1359                 options->disable_gpu = TRUE;
1360                 }
1361
1362         /* Generate a unique identifier used by the open archive function */
1363         instance_identifier = g_strdup_printf("%x", g_random_int());
1364
1365         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1366         /* these functions don't depend on config file */
1367         mkdir_if_not_exists(get_rc_dir());
1368         mkdir_if_not_exists(get_collections_dir());
1369         mkdir_if_not_exists(get_thumbnails_cache_dir());
1370         mkdir_if_not_exists(get_metadata_cache_dir());
1371         mkdir_if_not_exists(get_window_layouts_dir());
1372
1373         setup_env_path();
1374
1375         screen = gdk_screen_get_default();
1376         provider = gtk_css_provider_new();
1377         gtk_css_provider_load_from_resource(provider, GQ_RESOURCE_PATH_UI "/custom.css");
1378         gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
1379
1380         if (parse_command_line_for_cache_maintenance_option(argc, argv))
1381                 {
1382                 process_command_line_for_cache_maintenance_option(argc, argv);
1383                 }
1384         else
1385                 {
1386                 DEBUG_1("%s main: parse_command_line", get_exec_time());
1387                 parse_command_line(argc, argv);
1388
1389                 keys_load();
1390                 accel_map_load();
1391
1392                 /* restore session from the config file */
1393
1394
1395                 DEBUG_1("%s main: load_options", get_exec_time());
1396                 if (!load_options(options))
1397                         {
1398                         /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1399                         filter_add_defaults();
1400                         filter_rebuild();
1401                         }
1402
1403         #if HAVE_CLUTTER
1404         /** @FIXME For the background of this see:
1405          * https://github.com/BestImageViewer/geeqie/issues/397
1406          * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1407          * system is liable to exhibit this problem.
1408          * The user is provided with an override in Preferences/Behavior
1409          */
1410                 if (!options->override_disable_gpu && !options->disable_gpu)
1411                         {
1412                         DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1413                         if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1414                                 {
1415                                 options->disable_gpu = TRUE;
1416                                 }
1417                         }
1418         #endif
1419
1420                 /* handle missing config file and commandline additions*/
1421                 if (!layout_window_list)
1422                         {
1423                         /* broken or no config file or no <layout> section */
1424                         layout_new_from_default();
1425                         }
1426
1427                 layout_editors_reload_start();
1428
1429                 /* If no --list option, open a separate collection window for each
1430                  * .gqv file on the command line
1431                  */
1432                 if (command_line->collection_list && !command_line->startup_command_line_collection)
1433                         {
1434                         GList *work;
1435
1436                         work = command_line->collection_list;
1437                         while (work)
1438                                 {
1439                                 CollectWindow *cw;
1440                                 const gchar *path;
1441
1442                                 path = static_cast<const gchar *>(work->data);
1443                                 work = work->next;
1444
1445                                 cw = collection_window_new(path);
1446                                 if (!first_collection && cw) first_collection = cw->cd;
1447                                 }
1448                         }
1449
1450                 if (command_line->log_file)
1451                         {
1452                         gchar *pathl;
1453                         gchar *path = g_strdup(command_line->log_file);
1454
1455                         pathl = path_from_utf8(path);
1456                         command_line->ssi = secure_open(pathl);
1457                         }
1458
1459                 /* If there is a files list on the command line and no --list option,
1460                  * check if they are all in the same folder
1461                  */
1462                 if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1463                         {
1464                         GList *work;
1465                         gchar *path = nullptr;
1466
1467                         work = command_line->cmd_list;
1468
1469                         while (work && single_dir)
1470                                 {
1471                                 gchar *dirname;
1472
1473                                 dirname = g_path_get_dirname(static_cast<const gchar *>(work->data));
1474                                 if (!path)
1475                                         {
1476                                         path = g_strdup(dirname);
1477                                         }
1478                                 else
1479                                         {
1480                                         if (g_strcmp0(path, dirname) != 0)
1481                                                 {
1482                                                 single_dir = FALSE;
1483                                                 }
1484                                         }
1485                                 g_free(dirname);
1486                                 work = work->next;
1487                                 }
1488                         g_free(path);
1489                         }
1490
1491                 /* Files from multiple folders, or --list option given
1492                  * then open an unnamed collection and insert all files
1493                  */
1494                 if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1495                         {
1496                         GList *work;
1497                         CollectWindow *cw;
1498
1499                         cw = collection_window_new(nullptr);
1500                         cd = cw->cd;
1501
1502                         collection_path_changed(cd);
1503
1504                         work = command_line->cmd_list;
1505                         while (work)
1506                                 {
1507                                 FileData *fd;
1508
1509                                 fd = file_data_new_simple(static_cast<const gchar *>(work->data));
1510                                 collection_add(cd, fd, FALSE);
1511                                 file_data_unref(fd);
1512                                 work = work->next;
1513                                 }
1514
1515                         work = command_line->collection_list;
1516                         while (work)
1517                                 {
1518                                 collection_load(cd, static_cast<gchar *>(work->data), COLLECTION_LOAD_APPEND);
1519                                 work = work->next;
1520                                 }
1521
1522                         if (cd->list) layout_image_set_collection(nullptr, cd, static_cast<CollectInfo *>(cd->list->data));
1523
1524                         /* mem leak, we never unref this collection when !startup_command_line_collection
1525                          * (the image view of the main window does not hold a ref to the collection)
1526                          * this is sort of unavoidable, for if it did hold a ref, next/back
1527                          * may not work as expected when closing collection windows.
1528                          *
1529                          * collection_unref(cd);
1530                          */
1531
1532                         }
1533                 else if (first_collection)
1534                         {
1535                         layout_image_set_collection(nullptr, first_collection,
1536                                                     collection_get_first(first_collection));
1537                         }
1538
1539                 /* If the files on the command line are from one folder, select those files
1540                  * unless it is a command line collection - then leave focus on collection window
1541                  */
1542                 lw = nullptr;
1543                 layout_valid(&lw);
1544
1545                 if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1546                         {
1547                         GList *work;
1548                         GList *selected;
1549                         FileData *fd;
1550
1551                         selected = nullptr;
1552                         work = command_line->cmd_list;
1553                         while (work)
1554                                 {
1555                                 fd = file_data_new_simple(static_cast<gchar *>(work->data));
1556                                 selected = g_list_append(selected, fd);
1557                                 file_data_unref(fd);
1558                                 work = work->next;
1559                                 }
1560                         layout_select_list(lw, selected);
1561                         }
1562
1563                 buf = g_build_filename(get_rc_dir(), ".command", NULL);
1564                 remote_connection = remote_server_init(buf, cd);
1565                 g_free(buf);
1566
1567                 marks_load();
1568
1569                 default_settings = gtk_settings_get_default();
1570                 g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
1571                 set_theme_bg_color();
1572                 }
1573
1574         /* Show a fade-out notification window if the server has a newer AppImage version */
1575         if (options->appimage_notifications)
1576                 {
1577                 if (g_getenv("APPDIR") && strstr(g_getenv("APPDIR"), "/tmp/.mount_Geeqie"))
1578                         {
1579                         appimage_notification();
1580                         }
1581                 else if (g_strstr_len(gq_executable_path, -1, "AppRun"))
1582                         {
1583                         /* Probably running an extracted AppImage */
1584                         appimage_notification();
1585                         }
1586                 }
1587
1588         DEBUG_1("%s main: gtk_main", get_exec_time());
1589         gtk_main();
1590
1591         gdk_threads_leave();
1592         return 0;
1593 }
1594 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */