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 <config.h>
  23
  24 #include "main.h"
  25
  26 #include <csignal>
  27 #include <sys/mman.h>
  28
  29 #ifdef G_OS_UNIX
  30 #include <pwd.h>
  31 #endif
  32 #include <clocale>
  33
  34 #ifdef HAVE_DEVELOPER
  35 #include "backward.h"
  36 #endif
  37
  38 #include "cache.h"
  39 #include "collect.h"
  40 #include "collect-io.h"
  41 #include "filedata.h"
  42 #include "filefilter.h"
  43 #include "history-list.h"
  44 #include "image.h"
  45 #include "img-view.h"
  46 #include "layout-image.h"
  47 #include "layout-util.h"
  48 #include "misc.h"
  49 #include "rcfile.h"
  50 #include "remote.h"
  51 #include "secure-save.h"
  52 #include "ui-fileops.h"
  53 #include "ui-utildlg.h"
  54 #include "cache-maint.h"
  55 #include "thumb.h"
  56 #include "metadata.h"
  57 #include "exif.h"
  58 #include "histogram.h"
  59 #include "pixbuf-util.h"
  60 #include "glua.h"
  61 #include "whereami.h"
  62
  63 #ifdef HAVE_CLUTTER
  64 #include <clutter-gtk/clutter-gtk.h>
  65 #endif
  66
  67 #ifdef HAVE_EXECINFO_H
  68 #include <execinfo.h>
  69 #endif
  70
  71 gboolean thumb_format_changed = FALSE;
  72 static RemoteConnection *remote_connection = nullptr;
  73
  74 gchar *gq_prefix;
  75 gchar *gq_localedir;
  76 gchar *gq_helpdir;
  77 gchar *gq_htmldir;
  78 gchar *gq_appdir;
  79 gchar *gq_bindir;
  80 gchar *gq_executable_path;
  81 gchar *desktop_file_template;
  82 gchar *instance_identifier;
  83
  84 #if defined(SA_SIGINFO)
  85 void sig_handler_cb(int signo, siginfo_t *info, void *)
  86 {
  87         gchar hex_char[16];
  88         const gchar *signal_name = nullptr;
  89         gint i = 0;
  90         guint64 addr;
  91         guint64 char_index;
  92         ssize_t len;
  93 #ifdef HAVE_EXECINFO_H
  94         gint bt_size;
  95         void *bt[1024];
  96 #endif
  97         struct signals
  98                 {
  99                 gint sig_no;
 100                 const gchar *sig_name;
 101                 };
 102         struct signals signals_list[7];
 103
 104         signals_list[0].sig_no = SIGABRT;
 105         signals_list[0].sig_name = "Abort";
 106         signals_list[1].sig_no = SIGBUS;
 107         signals_list[1].sig_name = "Bus error";
 108         signals_list[2].sig_no = SIGFPE;
 109         signals_list[2].sig_name = "Floating-point exception";
 110         signals_list[3].sig_no = SIGILL;
 111         signals_list[3].sig_name = "Illegal instruction";
 112         signals_list[4].sig_no = SIGIOT;
 113         signals_list[4].sig_name = "IOT trap";
 114         signals_list[5].sig_no = SIGSEGV;
 115         signals_list[5].sig_name = "Invalid memory reference";
 116         signals_list[6].sig_no = -1;
 117         signals_list[6].sig_name = "END";
 118
 119         hex_char[0] = '0';
 120         hex_char[1] = '1';
 121         hex_char[2] = '2';
 122         hex_char[3] = '3';
 123         hex_char[4] = '4';
 124         hex_char[5] = '5';
 125         hex_char[6] = '6';
 126         hex_char[7] = '7';
 127         hex_char[8] = '8';
 128         hex_char[9] = '9';
 129         hex_char[10] = 'a';
 130         hex_char[11] = 'b';
 131         hex_char[12] = 'c';
 132         hex_char[13] = 'd';
 133         hex_char[14] = 'e';
 134         hex_char[15] = 'f';
 135
 136         signal_name = "Unknown signal";
 137         while (signals_list[i].sig_no != -1)
 138                 {
 139                 if (signo == signals_list[i].sig_no)
 140                         {
 141                         signal_name = signals_list[i].sig_name;
 142                         break;
 143                         }
 144                 i++;
 145                 }
 146
 147         len = write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 148         len = write(STDERR_FILENO, "Signal: ", 8);
 149         len = write(STDERR_FILENO, signal_name, strlen(signal_name));
 150         len = write(STDERR_FILENO, "\n", 1);
 151
 152         len = write(STDERR_FILENO, "Code: ", 6);
 153         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"));
 154         len = write(STDERR_FILENO, "\n", 1);
 155
 156         len = write(STDERR_FILENO, "Address: ", 9);
 157
 158         if (info->si_addr == nullptr)
 159                 {
 160                 len = write(STDERR_FILENO, "0x0\n", 4);
 161                 }
 162         else
 163                 {
 164                 /* Assume the address is 64-bit */
 165                 len = write(STDERR_FILENO, "0x", 2);
 166                 addr = reinterpret_cast<guint64>(info->si_addr);
 167
 168                 for (i = 0; i < 16; i++)
 169                         {
 170                         char_index = addr & 0xf000000000000000;
 171                         char_index = char_index >> 60;
 172                         addr = addr << 4;
 173
 174                         len = write(STDERR_FILENO, &hex_char[char_index], 1);
 175                         }
 176                 len = write(STDERR_FILENO, "\n", 1);
 177                 }
 178
 179 #ifdef HAVE_EXECINFO_H
 180         bt_size = backtrace(bt, 1024);
 181         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 182 #endif
 183
 184         /* Avoid "not used" warning */
 185         len++;
 186
 187         exit(EXIT_FAILURE);
 188 }
 189 #else /* defined(SA_SIGINFO) */
 190 void sig_handler_cb(int)
 191 {
 192 #ifdef HAVE_EXECINFO_H
 193         gint bt_size;
 194         void *bt[1024];
 195 #endif
 196
 197         write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 198         write(STDERR_FILENO, "Signal: Segmentation fault\n", 27);
 199
 200 #ifdef HAVE_EXECINFO_H
 201         bt_size = backtrace(bt, 1024);
 202         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 203 #endif
 204
 205         exit(EXIT_FAILURE);
 206 }
 207 #endif /* defined(SA_SIGINFO) */
 208
 209 /*
 210  *-----------------------------------------------------------------------------
 211  * keyboard functions
 212  *-----------------------------------------------------------------------------
 213  */
 214
 215 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
 216 {
 217         static gint delta = 0;
 218         static guint32 time_old = 0;
 219         static guint keyval_old = 0;
 220
 221         if (event->state & GDK_CONTROL_MASK)
 222                 {
 223                 if (*x < 0) *x = G_MININT / 2;
 224                 if (*x > 0) *x = G_MAXINT / 2;
 225                 if (*y < 0) *y = G_MININT / 2;
 226                 if (*y > 0) *y = G_MAXINT / 2;
 227
 228                 return;
 229                 }
 230
 231         if (options->progressive_key_scrolling)
 232                 {
 233                 guint32 time_diff;
 234
 235                 time_diff = event->time - time_old;
 236
 237                 /* key pressed within 125ms ? (1/8 second) */
 238                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 239
 240                 time_old = event->time;
 241                 keyval_old = event->keyval;
 242
 243                 delta += 2;
 244                 }
 245         else
 246                 {
 247                 delta = 8;
 248                 }
 249
 250         *x = *x * delta * options->keyboard_scroll_step;
 251         *y = *y * delta * options->keyboard_scroll_step;
 252 }
 253
 254
 255
 256 /*
 257  *-----------------------------------------------------------------------------
 258  * command line parser (private) hehe, who needs popt anyway?
 259  *-----------------------------------------------------------------------------
 260  */
 261
 262 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 263                                         GList **list, GList **collection_list)
 264 {
 265         gchar *path_parsed;
 266
 267         path_parsed = g_strdup(file_path);
 268         parse_out_relatives(path_parsed);
 269
 270         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 271                 {
 272                 *collection_list = g_list_append(*collection_list, path_parsed);
 273                 }
 274         else
 275                 {
 276                 if (!*path) *path = remove_level_from_path(path_parsed);
 277                 if (!*file) *file = g_strdup(path_parsed);
 278                 *list = g_list_prepend(*list, path_parsed);
 279                 }
 280 }
 281
 282 static void parse_command_line_add_dir(const gchar *dir, gchar **, gchar **, GList **)
 283 {
 284 #if 0
 285         /* This is broken because file filter is not initialized yet.
 286         */
 287         GList *files;
 288         gchar *path_parsed;
 289         FileData *dir_fd;
 290
 291         path_parsed = g_strdup(dir);
 292         parse_out_relatives(path_parsed);
 293         dir_fd = file_data_new_dir(path_parsed);
 294
 295
 296         if (filelist_read(dir_fd, &files, NULL))
 297                 {
 298                 GList *work;
 299
 300                 files = filelist_filter(files, FALSE);
 301                 files = filelist_sort_path(files);
 302
 303                 work = files;
 304                 while (work)
 305                         {
 306                         FileData *fd = static_cast<FileData *>(work->data);
 307                         if (!*path) *path = remove_level_from_path(fd->path);
 308                         if (!*file) *file = g_strdup(fd->path);
 309                         *list = g_list_prepend(*list, fd);
 310
 311                         work = work->next;
 312                         }
 313
 314                 g_list_free(files);
 315                 }
 316
 317         g_free(path_parsed);
 318         file_data_unref(dir_fd);
 319 #else
 320         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 321 #endif
 322 }
 323
 324 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 325                                            GList **list, gchar **first_dir)
 326 {
 327
 328         if (!*list && !*first_dir)
 329                 {
 330                 *first_dir = g_strdup(dir);
 331                 }
 332         else
 333                 {
 334                 if (*first_dir)
 335                         {
 336                         parse_command_line_add_dir(*first_dir, path, file, list);
 337                         g_free(*first_dir);
 338                         *first_dir = nullptr;
 339                         }
 340                 parse_command_line_add_dir(dir, path, file, list);
 341                 }
 342 }
 343
 344 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 345                                             GList **list, GList **collection_list, gchar **first_dir)
 346 {
 347
 348         if (*first_dir)
 349                 {
 350                 parse_command_line_add_dir(*first_dir, path, file, list);
 351                 g_free(*first_dir);
 352                 *first_dir = nullptr;
 353                 }
 354         parse_command_line_add_file(file_path, path, file, list, collection_list);
 355 }
 356
 357 static void parse_command_line(gint argc, gchar *argv[])
 358 {
 359         GList *list = nullptr;
 360         GList *remote_list = nullptr;
 361         GList *remote_errors = nullptr;
 362         gboolean remote_do = FALSE;
 363         gchar *first_dir = nullptr;
 364         gchar *app_lock;
 365         gchar *pwd;
 366         gchar *current_dir;
 367         gchar *geometry = nullptr;
 368         GtkWidget *dialog_warning;
 369         GString *command_line_errors = g_string_new(nullptr);
 370
 371         command_line = g_new0(CommandLine, 1);
 372
 373         command_line->argc = argc;
 374         command_line->argv = argv;
 375         command_line->regexp = nullptr;
 376
 377         if (argc > 1)
 378                 {
 379                 gint i;
 380                 gchar *base_dir = get_current_dir();
 381                 i = 1;
 382                 while (i < argc)
 383                         {
 384                         gchar *cmd_line = path_to_utf8(argv[i]);
 385                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 386
 387                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 388                                 {
 389                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 390                                 }
 391                         else if (isdir(cmd_all))
 392                                 {
 393                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 394                                 }
 395                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 396                                 {
 397                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 398                                                                 &list, &command_line->collection_list, &first_dir);
 399                                 }
 400                         else if (isfile(cmd_all))
 401                                 {
 402                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 403                                                                 &list, &command_line->collection_list, &first_dir);
 404                                 }
 405                         else if (download_web_file(cmd_line, FALSE, nullptr))
 406                                 {
 407                                 }
 408                         else if (is_collection(cmd_line))
 409                                 {
 410                                 gchar *path = nullptr;
 411
 412                                 path = collection_path(cmd_line);
 413                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 414                                                                 &list, &command_line->collection_list, &first_dir);
 415                                 g_free(path);
 416                                 }
 417                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 418                                 {
 419                                 /* do nothing but do not produce warnings */
 420                                 }
 421                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 422                                 {
 423                                 /* do nothing but do not produce warnings */
 424                                 }
 425                         else if (strcmp(cmd_line, "+t") == 0 ||
 426                                  strcmp(cmd_line, "--with-tools") == 0)
 427                                 {
 428                                 command_line->tools_show = TRUE;
 429
 430                                 remote_list = g_list_append(remote_list, g_strdup("+t"));
 431                                 }
 432                         else if (strcmp(cmd_line, "-t") == 0 ||
 433                                  strcmp(cmd_line, "--without-tools") == 0)
 434                                 {
 435                                 command_line->tools_hide = TRUE;
 436
 437                                 remote_list = g_list_append(remote_list, g_strdup("-t"));
 438                                 }
 439                         else if (strcmp(cmd_line, "-f") == 0 ||
 440                                  strcmp(cmd_line, "--fullscreen") == 0)
 441                                 {
 442                                 command_line->startup_full_screen = TRUE;
 443                                 }
 444                         else if (strcmp(cmd_line, "-s") == 0 ||
 445                                  strcmp(cmd_line, "--slideshow") == 0)
 446                                 {
 447                                 command_line->startup_in_slideshow = TRUE;
 448                                 }
 449                         else if (strcmp(cmd_line, "-l") == 0 ||
 450                                  strcmp(cmd_line, "--list") == 0)
 451                                 {
 452                                 command_line->startup_command_line_collection = TRUE;
 453                                 }
 454                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 455                                 {
 456                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 457                                 }
 458                         else if (strcmp(cmd_line, "-r") == 0 ||
 459                                  strcmp(cmd_line, "--remote") == 0)
 460                                 {
 461                                 if (!remote_do)
 462                                         {
 463                                         remote_do = TRUE;
 464                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 465                                         }
 466                                 }
 467                         else if ((strcmp(cmd_line, "+w") == 0) ||
 468                                                 strcmp(cmd_line, "--show-log-window") == 0)
 469                                 {
 470                                 command_line->log_window_show = TRUE;
 471                                 }
 472                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 473                                 {
 474                                 command_line->log_file = g_strdup(cmd_line + 3);
 475                                 }
 476                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 477                                 {
 478                                 command_line->log_file = g_strdup(cmd_line + 11);
 479                                 }
 480                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 481                                 {
 482                                 set_regexp(g_strdup(cmd_line+3));
 483                                 }
 484                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 485                                 {
 486                                 set_regexp(g_strdup(cmd_line+3));
 487                                 }
 488                         else if (strncmp(cmd_line, "-n", 2) == 0)
 489                                 {
 490                                 command_line->new_instance = TRUE;
 491                                 }
 492                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 493                                 {
 494                                 command_line->new_instance = TRUE;
 495                                 }
 496                         else if (strcmp(cmd_line, "-rh") == 0 ||
 497                                  strcmp(cmd_line, "--remote-help") == 0)
 498                                 {
 499                                 remote_help();
 500                                 exit(0);
 501                                 }
 502                         else if (strcmp(cmd_line, "--blank") == 0)
 503                                 {
 504                                 command_line->startup_blank = TRUE;
 505                                 }
 506                         else if (strcmp(cmd_line, "-v") == 0 ||
 507                                  strcmp(cmd_line, "--version") == 0)
 508                                 {
 509                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 510                                 exit(0);
 511                                 }
 512                         else if (strcmp(cmd_line, "-h") == 0 ||
 513                                  strcmp(cmd_line, "--help") == 0)
 514                                 {
 515                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 516                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 517                                 print_term(FALSE, _("Valid options:\n"));
 518                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 519                                 print_term(FALSE, _("      --cache-maintenance <path>   run cache maintenance in non-GUI mode\n"));
 520                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
 521                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 522                                 print_term(FALSE, _("      --geometry=WxH+XOFF+YOFF     set main window location\n"));
 523                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 524                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 525                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie *\n"));
 526                                 print_term(FALSE, _("  -o:, --log-file:<file>           save log data to file\n"));
 527                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 528                                 print_term(FALSE, _("  -rh, --remote-help               print remote command list\n"));
 529                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 530                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 531                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 532                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 533                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 534 #ifdef DEBUG
 535                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 536                                 print_term(FALSE, _("  -g:, --grep:<regexp>             filter debug output\n"));
 537 #endif
 538
 539                                 print_term(FALSE, "\n");
 540                                 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");
 541
 542                                 remote_help();
 543
 544
 545                                 exit(0);
 546                                 }
 547                         else if (!remote_do)
 548                                 {
 549                                 command_line_errors = g_string_append(command_line_errors, cmd_line);
 550                                 command_line_errors = g_string_append(command_line_errors, "\n");
 551                                 }
 552
 553                         g_free(cmd_all);
 554                         g_free(cmd_line);
 555                         i++;
 556                         }
 557
 558                 if (command_line_errors->len > 0)
 559                         {
 560                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 561                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 562                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 563                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 564                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 565                         g_object_unref(dialog_warning);
 566                         g_string_free(command_line_errors, TRUE);
 567
 568                         exit(EXIT_FAILURE);
 569                         }
 570
 571                 g_free(base_dir);
 572                 parse_out_relatives(command_line->path);
 573                 parse_out_relatives(command_line->file);
 574                 }
 575
 576         list = g_list_reverse(list);
 577
 578         if (!command_line->path && first_dir)
 579                 {
 580                 command_line->path = first_dir;
 581                 first_dir = nullptr;
 582
 583                 parse_out_relatives(command_line->path);
 584                 }
 585         g_free(first_dir);
 586
 587         if (!command_line->new_instance)
 588                 {
 589                 /* If Geeqie is already running, prevent a second instance
 590                  * from being started. Open a new window instead.
 591                  */
 592                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 593                 if (remote_server_exists(app_lock) && !remote_do)
 594                         {
 595                         remote_do = TRUE;
 596                         if (command_line->geometry)
 597                                 {
 598                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 599                                 remote_list = g_list_prepend(remote_list, geometry);
 600                                 }
 601                         remote_list = g_list_prepend(remote_list, g_strdup("--new-window"));
 602                         }
 603                 g_free(app_lock);
 604                 }
 605
 606         if (remote_do)
 607                 {
 608                 if (remote_errors)
 609                         {
 610                         GList *work = remote_errors;
 611
 612                         while (work)
 613                                 {
 614                                 auto opt = static_cast<gchar *>(work->data);
 615
 616                                 command_line_errors = g_string_append(command_line_errors, opt);
 617                                 command_line_errors = g_string_append(command_line_errors, "\n");
 618                                 work = work->next;
 619                                 }
 620
 621                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 622                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 623                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 624                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 625                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 626                         g_object_unref(dialog_warning);
 627                         g_string_free(command_line_errors, TRUE);
 628
 629                         exit(EXIT_FAILURE);
 630                         }
 631
 632                 /* prepend the current dir the remote command was made from,
 633                  * for use by any remote command that needs it
 634                  */
 635                 current_dir = g_get_current_dir();
 636                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 637                 remote_list = g_list_prepend(remote_list, pwd);
 638
 639                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 640                 /* There is no return to this point
 641                  */
 642                 g_free(pwd);
 643                 g_free(current_dir);
 644                 }
 645         g_free(geometry);
 646         g_list_free(remote_list);
 647
 648         if (list && list->next)
 649                 {
 650                 command_line->cmd_list = list;
 651                 }
 652         else
 653                 {
 654                 g_list_free_full(list, g_free);
 655                 command_line->cmd_list = nullptr;
 656                 }
 657
 658         if (command_line->startup_blank)
 659                 {
 660                 g_free(command_line->path);
 661                 command_line->path = nullptr;
 662                 g_free(command_line->file);
 663                 command_line->file = nullptr;
 664                 filelist_free(command_line->cmd_list);
 665                 command_line->cmd_list = nullptr;
 666                 g_list_free_full(command_line->collection_list, g_free);
 667                 command_line->collection_list = nullptr;
 668                 }
 669 }
 670
 671 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 672 {
 673 #ifdef DEBUG
 674         const gchar *debug_option = "--debug";
 675         gint len = strlen(debug_option);
 676
 677         if (argc > 1)
 678                 {
 679                 gint i;
 680
 681                 for (i = 1; i < argc; i++)
 682                         {
 683                         const gchar *cmd_line = argv[i];
 684                         if (strncmp(cmd_line, debug_option, len) == 0)
 685                                 {
 686                                 gint cmd_line_len = strlen(cmd_line);
 687
 688                                 /* we now increment the debug state for verbosity */
 689                                 if (cmd_line_len == len)
 690                                         debug_level_add(1);
 691                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 692                                         {
 693                                         gint n = atoi(cmd_line + len + 1);
 694                                         if (n < 0) n = 1;
 695                                         debug_level_add(n);
 696                                         }
 697                                 }
 698                         }
 699                 }
 700
 701         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 702 #endif
 703 }
 704
 705 #ifdef HAVE_CLUTTER
 706 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 707 {
 708         const gchar *clutter_option = "--disable-clutter";
 709         gint len = strlen(clutter_option);
 710         gboolean ret = FALSE;
 711
 712         if (argc > 1)
 713                 {
 714                 gint i;
 715
 716                 for (i = 1; i < argc; i++)
 717                         {
 718                         const gchar *cmd_line = argv[i];
 719                         if (strncmp(cmd_line, clutter_option, len) == 0)
 720                                 {
 721                                 ret = TRUE;
 722                                 }
 723                         }
 724                 }
 725
 726         return ret;
 727 }
 728 #endif
 729
 730 static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 731 {
 732         const gchar *cache_maintenance_option = "--cache-maintenance";
 733         gint len = strlen(cache_maintenance_option);
 734         gboolean ret = FALSE;
 735
 736         if (argc >= 2)
 737                 {
 738                 const gchar *cmd_line = argv[1];
 739                 if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
 740                         {
 741                         ret = TRUE;
 742                         }
 743                 }
 744
 745         return ret;
 746 }
 747
 748 static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 749 {
 750         gchar *rc_path;
 751         gchar *folder_path = nullptr;
 752         gsize size;
 753         gsize i = 0;
 754         gchar *buf_config_file;
 755         gint diff_count;
 756
 757         if (argc >= 3)
 758                 {
 759                 folder_path = expand_tilde(argv[2]);
 760
 761                 if (isdir(folder_path))
 762                         {
 763                         rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
 764
 765                         if (isfile(rc_path))
 766                                 {
 767                                 if (g_file_get_contents(rc_path, &buf_config_file, &size, nullptr))
 768                                         {
 769                                         while (i < size)
 770                                                 {
 771                                                 diff_count = strncmp("</global>", &buf_config_file[i], 9);
 772                                                 if (diff_count == 0)
 773                                                         {
 774                                                         break;
 775                                                         }
 776                                                 i++;
 777                                                 }
 778                                         /* Load only the <global> section */
 779                                         load_config_from_buf(buf_config_file, i + 9, FALSE);
 780
 781                                         if (options->thumbnails.enable_caching)
 782                                                 {
 783                                                 cache_maintenance(folder_path);
 784                                                 }
 785                                         else
 786                                                 {
 787                                                 print_term(TRUE, "Caching not enabled\n");
 788                                                 exit(EXIT_FAILURE);
 789                                                 }
 790                                         g_free(buf_config_file);
 791                                         }
 792                                 else
 793                                         {
 794                                         print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
 795                                         exit(EXIT_FAILURE);
 796                                         }
 797                                 }
 798                         else
 799                                 {
 800                                 print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
 801                                 exit(EXIT_FAILURE);
 802                                 }
 803                         g_free(rc_path);
 804                         }
 805                 else
 806                         {
 807                         print_term(TRUE, g_strconcat(argv[2], _(" is not a folder\n"), NULL));
 808                         exit(EXIT_FAILURE);
 809                         }
 810                 g_free(folder_path);
 811                 }
 812         else
 813                 {
 814                 print_term(TRUE, _("No path parameter given\n"));
 815                 exit(EXIT_FAILURE);
 816                 }
 817 }
 818
 819 /*
 820  *-----------------------------------------------------------------------------
 821  * startup, init, and exit
 822  *-----------------------------------------------------------------------------
 823  */
 824
 825 #define RC_HISTORY_NAME "history"
 826 #define RC_MARKS_NAME "marks"
 827
 828 static void setup_env_path()
 829 {
 830         const gchar *old_path = g_getenv("PATH");
 831         gchar *path = g_strconcat(gq_bindir, ":", old_path, NULL);
 832         g_setenv("PATH", path, TRUE);
 833         g_free(path);
 834 }
 835
 836 static void keys_load()
 837 {
 838         gchar *path;
 839
 840         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 841         history_list_load(path);
 842         g_free(path);
 843 }
 844
 845 static void keys_save()
 846 {
 847         gchar *path;
 848
 849         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 850         history_list_save(path);
 851         g_free(path);
 852 }
 853
 854 static void marks_load()
 855 {
 856         gchar *path;
 857
 858         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 859         marks_list_load(path);
 860         g_free(path);
 861 }
 862
 863 static void marks_save(gboolean save)
 864 {
 865         gchar *path;
 866
 867         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 868         marks_list_save(path, save);
 869         g_free(path);
 870 }
 871
 872 static void mkdir_if_not_exists(const gchar *path)
 873 {
 874         if (isdir(path)) return;
 875
 876         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 877
 878         if (!recursive_mkdir_if_not_exists(path, 0755))
 879                 {
 880                 log_printf(_("Could not create dir:%s\n"), path);
 881                 }
 882 }
 883
 884
 885 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 886  * to improve the reliability in special cases (especially when disk is full)
 887  * These functions are now using secure saving stuff.
 888  */
 889 static void gq_accel_map_print(
 890                     gpointer    data,
 891                     const gchar *accel_path,
 892                     guint       accel_key,
 893                     GdkModifierType accel_mods,
 894                     gboolean    changed)
 895 {
 896         GString *gstring = g_string_new(changed ? nullptr : "; ");
 897         auto ssi = static_cast<SecureSaveInfo *>(data);
 898         gchar *tmp;
 899         gchar *name;
 900
 901         g_string_append(gstring, "(gtk_accel_path \"");
 902
 903         tmp = g_strescape(accel_path, nullptr);
 904         g_string_append(gstring, tmp);
 905         g_free(tmp);
 906
 907         g_string_append(gstring, "\" \"");
 908
 909         name = gtk_accelerator_name(accel_key, accel_mods);
 910         tmp = g_strescape(name, nullptr);
 911         g_free(name);
 912         g_string_append(gstring, tmp);
 913         g_free(tmp);
 914
 915         g_string_append(gstring, "\")\n");
 916
 917         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 918
 919         g_string_free(gstring, TRUE);
 920 }
 921
 922 static gboolean gq_accel_map_save(const gchar *path)
 923 {
 924         gchar *pathl;
 925         SecureSaveInfo *ssi;
 926         GString *gstring;
 927
 928         pathl = path_from_utf8(path);
 929         ssi = secure_open(pathl);
 930         g_free(pathl);
 931         if (!ssi)
 932                 {
 933                 log_printf(_("error saving file: %s\n"), path);
 934                 return FALSE;
 935                 }
 936
 937         gstring = g_string_new("; ");
 938         if (g_get_prgname())
 939                 g_string_append(gstring, g_get_prgname());
 940         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 941         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 942         g_string_append(gstring, ";\n");
 943
 944         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 945
 946         g_string_free(gstring, TRUE);
 947
 948         gtk_accel_map_foreach(ssi, gq_accel_map_print);
 949
 950         if (secure_close(ssi))
 951                 {
 952                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 953                            secsave_strerror(secsave_errno));
 954                 return FALSE;
 955                 }
 956
 957         return TRUE;
 958 }
 959
 960 static gchar *accep_map_filename()
 961 {
 962         return g_build_filename(get_rc_dir(), "accels", NULL);
 963 }
 964
 965 static void accel_map_save()
 966 {
 967         gchar *path;
 968
 969         path = accep_map_filename();
 970         gq_accel_map_save(path);
 971         g_free(path);
 972 }
 973
 974 static void accel_map_load()
 975 {
 976         gchar *path;
 977         gchar *pathl;
 978
 979         path = accep_map_filename();
 980         pathl = path_from_utf8(path);
 981         gtk_accel_map_load(pathl);
 982         g_free(pathl);
 983         g_free(path);
 984 }
 985
 986 static void gtkrc_load()
 987 {
 988         gchar *path;
 989         gchar *pathl;
 990
 991         /* If a gtkrc file exists in the rc directory, add it to the
 992          * list of files to be parsed at the end of gtk_init() */
 993         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 994         pathl = path_from_utf8(path);
 995         if (access(pathl, R_OK) == 0)
 996                 gtk_rc_add_default_file(pathl);
 997         g_free(pathl);
 998         g_free(path);
 999 }
1000
1001 static void exit_program_final()
1002 {
1003         LayoutWindow *lw = nullptr;
1004         GList *list;
1005         LayoutWindow *tmp_lw;
1006         gchar *archive_dir;
1007         GFile *archive_file;
1008
1009          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
1010         layout_editors_reload_finish();
1011
1012         remote_close(remote_connection);
1013
1014         collect_manager_flush();
1015
1016         /* Save the named windows */
1017         if (layout_window_list && layout_window_list->next)
1018                 {
1019                 list = layout_window_list;
1020                 while (list)
1021                         {
1022                         tmp_lw = static_cast<LayoutWindow *>(list->data);
1023                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
1024                                 {
1025                                 save_layout(static_cast<LayoutWindow *>(list->data));
1026                                 }
1027                         list = list->next;
1028                         }
1029                 }
1030
1031         save_options(options);
1032         keys_save();
1033         accel_map_save();
1034
1035         if (layout_valid(&lw))
1036                 {
1037                 layout_free(lw);
1038                 }
1039
1040         /* Delete any files/folders in /tmp that have been created by the open archive function */
1041         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
1042         if (isdir(archive_dir))
1043                 {
1044                 archive_file = g_file_new_for_path(archive_dir);
1045                 rmdir_recursive(archive_file, nullptr, nullptr);
1046                 g_free(archive_dir);
1047                 g_object_unref(archive_file);
1048                 }
1049
1050         /* If there are still sub-dirs created by another instance, this will fail
1051          * but that does not matter */
1052         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
1053         if (isdir(archive_dir))
1054                 {
1055                 archive_file = g_file_new_for_path(archive_dir);
1056                 g_file_delete(archive_file, nullptr, nullptr);
1057                 g_free(archive_dir);
1058                 g_object_unref(archive_file);
1059                 }
1060
1061         secure_close(command_line->ssi);
1062
1063         gtk_main_quit();
1064 }
1065
1066 static GenericDialog *exit_dialog = nullptr;
1067
1068 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer)
1069 {
1070         exit_dialog = nullptr;
1071         generic_dialog_close(gd);
1072 }
1073
1074 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer)
1075 {
1076         exit_dialog = nullptr;
1077         generic_dialog_close(gd);
1078         exit_program_final();
1079 }
1080
1081 static gint exit_confirm_dlg()
1082 {
1083         GtkWidget *parent;
1084         LayoutWindow *lw;
1085         gchar *msg;
1086         GString *message;
1087
1088         if (exit_dialog)
1089                 {
1090                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1091                 return TRUE;
1092                 }
1093
1094         if (!collection_window_modified_exists() && (layout_window_count() == 1)) return FALSE;
1095
1096         parent = nullptr;
1097         lw = nullptr;
1098         if (layout_valid(&lw))
1099                 {
1100                 parent = lw->window;
1101                 }
1102
1103         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
1104         exit_dialog = generic_dialog_new(msg,
1105                                 "exit", parent, FALSE,
1106                                 exit_confirm_cancel_cb, nullptr);
1107         g_free(msg);
1108         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
1109
1110         message = g_string_new(nullptr);
1111
1112         if (collection_window_modified_exists())
1113                 {
1114                 message = g_string_append(message, _("Collections have been modified.\n"));
1115                 }
1116
1117         if (layout_window_count() > 1)
1118                 {
1119                 g_string_append_printf(message, _("%d windows are open.\n\n"), layout_window_count());
1120                 }
1121
1122         message = g_string_append(message, _("Quit anyway?"));
1123
1124         generic_dialog_add_message(exit_dialog, GQ_ICON_DIALOG_QUESTION, msg, message->str, TRUE);
1125         g_free(msg);
1126         generic_dialog_add_button(exit_dialog, GQ_ICON_QUIT, _("Quit"), exit_confirm_exit_cb, TRUE);
1127
1128         gtk_widget_show(exit_dialog->dialog);
1129
1130         g_string_free(message, TRUE);
1131
1132         return TRUE;
1133 }
1134
1135 static void exit_program_write_metadata_cb(gint success, const gchar *, gpointer)
1136 {
1137         if (success) exit_program();
1138 }
1139
1140 void exit_program()
1141 {
1142         layout_image_full_screen_stop(nullptr);
1143
1144         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, nullptr)) return;
1145
1146         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
1147
1148         if (exit_confirm_dlg()) return;
1149
1150         exit_program_final();
1151 }
1152
1153 /* This code attempts to handle situation when a file mmaped by image_loader
1154  * or by exif loader is truncated by some other process.
1155  * This code is incorrect according to POSIX, because:
1156  *
1157  *   mmap is not async-signal-safe and thus may not be called from a signal handler
1158  *
1159  *   mmap must be called with a valid file descriptor.  POSIX requires that
1160  *   a fildes argument of -1 must cause mmap to return EBADF.
1161  *
1162  * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion of
1163  * an alternative approach.
1164  */
1165 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
1166 /** @FIXME This section needs revising */
1167
1168 #pragma GCC diagnostic push
1169 #pragma GCC diagnostic ignored "-Wunused-function"
1170 #if defined(SIGBUS) && defined(SA_SIGINFO)
1171 static void sigbus_handler_cb_unused(int, siginfo_t *info, void *)
1172 {
1173         /*
1174          * @FIXME Design and implement a POSIX-acceptable approach,
1175          * after first documenting the sitations where SIGBUS occurs.
1176          * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion
1177          */
1178
1179         DEBUG_1("SIGBUS %p NOT HANDLED", info->si_addr);
1180         exit(EXIT_FAILURE);
1181 }
1182 #endif
1183
1184 static void setup_sigbus_handler_unused()
1185 {
1186 #if defined(SIGBUS) && defined(SA_SIGINFO)
1187         struct sigaction sigbus_action;
1188         sigfillset(&sigbus_action.sa_mask);
1189         sigbus_action.sa_sigaction = sigbus_handler_cb_unused;
1190         sigbus_action.sa_flags = SA_SIGINFO;
1191
1192         sigaction(SIGBUS, &sigbus_action, nullptr);
1193 #endif
1194 }
1195 #pragma GCC diagnostic pop
1196
1197 #ifndef HAVE_DEVELOPER
1198 static void setup_sig_handler()
1199 {
1200         struct sigaction sigsegv_action;
1201         sigfillset(&sigsegv_action.sa_mask);
1202         sigsegv_action.sa_sigaction = sig_handler_cb;
1203         sigsegv_action.sa_flags = SA_SIGINFO;
1204
1205         sigaction(SIGABRT, &sigsegv_action, nullptr);
1206         sigaction(SIGBUS, &sigsegv_action, nullptr);
1207         sigaction(SIGFPE, &sigsegv_action, nullptr);
1208         sigaction(SIGILL, &sigsegv_action, nullptr);
1209         sigaction(SIGIOT, &sigsegv_action, nullptr);
1210         sigaction(SIGSEGV, &sigsegv_action, nullptr);
1211 }
1212 #endif
1213
1214 static void set_theme_bg_color()
1215 {
1216         GdkRGBA bg_color;
1217         GdkRGBA theme_color;
1218         GtkStyleContext *style_context;
1219         GList *work;
1220         LayoutWindow *lw;
1221
1222         if (!options->image.use_custom_border_color)
1223                 {
1224                 work = layout_window_list;
1225                 lw = static_cast<LayoutWindow *>(work->data);
1226
1227                 style_context = gtk_widget_get_style_context(lw->window);
1228                 gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
1229
1230                 theme_color.red = bg_color.red  ;
1231                 theme_color.green = bg_color.green  ;
1232                 theme_color.blue = bg_color.blue ;
1233
1234                 while (work)
1235                         {
1236                         lw = static_cast<LayoutWindow *>(work->data);
1237                         image_background_set_color(lw->image, &theme_color);
1238                         work = work->next;
1239                         }
1240                 }
1241
1242         view_window_colors_update();
1243 }
1244
1245 static gboolean theme_change_cb(GObject *, GParamSpec *, gpointer)
1246 {
1247         set_theme_bg_color();
1248
1249         return FALSE;
1250 }
1251
1252 /**
1253  * @brief Set up the application paths
1254  *
1255  * This function is required for use of AppImages. AppImages are
1256  * relocatable, and therefore cannot use fixed paths to various components.
1257  * These paths were originally #defines created during compilation.
1258  * They are now variables, all defined relative to one level above the
1259  * directory that the executable is run from.
1260  */
1261 static void create_application_paths()
1262 {
1263         gchar *dirname;
1264         gint length;
1265         gchar *path;
1266
1267         length = wai_getExecutablePath(nullptr, 0, nullptr);
1268         path = static_cast<gchar *>(malloc(length + 1));
1269         wai_getExecutablePath(path, length, nullptr);
1270         path[length] = '\0';
1271
1272         gq_executable_path = g_strdup(path);
1273         dirname = g_path_get_dirname(gq_executable_path);
1274         gq_prefix = g_path_get_dirname(dirname);
1275
1276         gq_localedir = g_build_filename(gq_prefix, GQ_LOCALEDIR, NULL);
1277         gq_helpdir = g_build_filename(gq_prefix, GQ_HELPDIR, NULL);
1278         gq_htmldir = g_build_filename(gq_prefix, GQ_HTMLDIR, NULL);
1279         gq_appdir = g_build_filename(gq_prefix, GQ_APPDIR, NULL);
1280         gq_bindir = g_build_filename(gq_prefix, GQ_BINDIR, NULL);
1281         desktop_file_template = g_build_filename(gq_appdir, "org.geeqie.template.desktop", NULL);
1282
1283         g_free(dirname);
1284         g_free(path);
1285 }
1286
1287 gint main(gint argc, gchar *argv[])
1288 {
1289         CollectionData *cd = nullptr;
1290         CollectionData *first_collection = nullptr;
1291         gboolean disable_clutter = FALSE;
1292         gboolean single_dir = TRUE;
1293         gchar *buf;
1294         GdkScreen *screen;
1295         GtkCssProvider *provider;
1296         GtkSettings *default_settings;
1297         LayoutWindow *lw;
1298
1299         gdk_set_allowed_backends("x11,*");
1300
1301         gdk_threads_init();
1302         gdk_threads_enter();
1303
1304         /* seg. fault handler */
1305 #ifdef HAVE_DEVELOPER
1306         backward::SignalHandling sh{};
1307 #else
1308         setup_sig_handler();
1309 #endif
1310
1311         /* init execution time counter (debug only) */
1312         init_exec_time();
1313
1314         create_application_paths();
1315
1316         /* setup locale, i18n */
1317         setlocale(LC_ALL, "");
1318
1319 #ifdef ENABLE_NLS
1320         bindtextdomain(PACKAGE, gq_localedir);
1321         bind_textdomain_codeset(PACKAGE, "UTF-8");
1322         textdomain(PACKAGE);
1323 #endif
1324
1325         exif_init();
1326
1327 #ifdef HAVE_LUA
1328         lua_init();
1329 #endif
1330
1331         /* setup random seed for random slideshow */
1332         srand(time(nullptr));
1333
1334 #if 0
1335         /* See later comment; this handler leads to UB. */
1336         setup_sigbus_handler();
1337 #endif
1338
1339         /* register global notify functions */
1340         file_data_register_notify_func(cache_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1341         file_data_register_notify_func(thumb_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1342         file_data_register_notify_func(histogram_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1343         file_data_register_notify_func(collect_manager_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1344         file_data_register_notify_func(metadata_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1345
1346
1347         gtkrc_load();
1348
1349         parse_command_line_for_debug_option(argc, argv);
1350         DEBUG_1("%s main: gtk_init", get_exec_time());
1351 #ifdef HAVE_CLUTTER
1352         if (parse_command_line_for_clutter_option(argc, argv))
1353                 {
1354                 disable_clutter = TRUE;
1355                 gtk_init(&argc, &argv);
1356                 }
1357         else
1358                 {
1359                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1360                         {
1361                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1362                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1363                         exit(1);
1364                         }
1365                 }
1366 #else
1367         gtk_init(&argc, &argv);
1368 #endif
1369
1370         if (gtk_major_version < GTK_MAJOR_VERSION ||
1371             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1372                 {
1373                 log_printf("!!! This is a friendly warning.\n");
1374                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1375                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1376                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1377                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1378                 }
1379
1380         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1381         gtk_icon_theme_add_resource_path(gtk_icon_theme_get_default(), GQ_RESOURCE_PATH_ICONS);
1382         pixbuf_inline_register_stock_icons();
1383
1384         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1385         options = init_options(nullptr);
1386         setup_default_options(options);
1387         if (disable_clutter)
1388                 {
1389                 options->disable_gpu = TRUE;
1390                 }
1391
1392         /* Generate a unique identifier used by the open archive function */
1393         instance_identifier = g_strdup_printf("%x", g_random_int());
1394
1395         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1396         /* these functions don't depend on config file */
1397         mkdir_if_not_exists(get_rc_dir());
1398         mkdir_if_not_exists(get_collections_dir());
1399         mkdir_if_not_exists(get_thumbnails_cache_dir());
1400         mkdir_if_not_exists(get_metadata_cache_dir());
1401         mkdir_if_not_exists(get_window_layouts_dir());
1402
1403         setup_env_path();
1404
1405         screen = gdk_screen_get_default();
1406         provider = gtk_css_provider_new();
1407         gtk_css_provider_load_from_resource(provider, GQ_RESOURCE_PATH_UI "/custom.css");
1408         gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
1409
1410         if (parse_command_line_for_cache_maintenance_option(argc, argv))
1411                 {
1412                 process_command_line_for_cache_maintenance_option(argc, argv);
1413                 }
1414         else
1415                 {
1416                 DEBUG_1("%s main: parse_command_line", get_exec_time());
1417                 parse_command_line(argc, argv);
1418
1419                 keys_load();
1420                 accel_map_load();
1421
1422                 /* restore session from the config file */
1423
1424
1425                 DEBUG_1("%s main: load_options", get_exec_time());
1426                 if (!load_options(options))
1427                         {
1428                         /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1429                         filter_add_defaults();
1430                         filter_rebuild();
1431                         }
1432
1433         #ifdef HAVE_CLUTTER
1434         /** @FIXME For the background of this see:
1435          * https://github.com/BestImageViewer/geeqie/issues/397
1436          * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1437          * system is liable to exhibit this problem.
1438          * The user is provided with an override in Preferences/Behavior
1439          */
1440                 if (!options->override_disable_gpu && !options->disable_gpu)
1441                         {
1442                         DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1443                         if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1444                                 {
1445                                 options->disable_gpu = TRUE;
1446                                 }
1447                         }
1448         #endif
1449
1450                 /* handle missing config file and commandline additions*/
1451                 if (!layout_window_list)
1452                         {
1453                         /* broken or no config file or no <layout> section */
1454                         layout_new_from_default();
1455                         }
1456
1457                 layout_editors_reload_start();
1458
1459                 /* If no --list option, open a separate collection window for each
1460                  * .gqv file on the command line
1461                  */
1462                 if (command_line->collection_list && !command_line->startup_command_line_collection)
1463                         {
1464                         GList *work;
1465
1466                         work = command_line->collection_list;
1467                         while (work)
1468                                 {
1469                                 CollectWindow *cw;
1470                                 const gchar *path;
1471
1472                                 path = static_cast<const gchar *>(work->data);
1473                                 work = work->next;
1474
1475                                 cw = collection_window_new(path);
1476                                 if (!first_collection && cw) first_collection = cw->cd;
1477                                 }
1478                         }
1479
1480                 if (command_line->log_file)
1481                         {
1482                         gchar *pathl;
1483                         gchar *path = g_strdup(command_line->log_file);
1484
1485                         pathl = path_from_utf8(path);
1486                         command_line->ssi = secure_open(pathl);
1487                         }
1488
1489                 /* If there is a files list on the command line and no --list option,
1490                  * check if they are all in the same folder
1491                  */
1492                 if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1493                         {
1494                         GList *work;
1495                         gchar *path = nullptr;
1496
1497                         work = command_line->cmd_list;
1498
1499                         while (work && single_dir)
1500                                 {
1501                                 gchar *dirname;
1502
1503                                 dirname = g_path_get_dirname(static_cast<const gchar *>(work->data));
1504                                 if (!path)
1505                                         {
1506                                         path = g_strdup(dirname);
1507                                         }
1508                                 else
1509                                         {
1510                                         if (g_strcmp0(path, dirname) != 0)
1511                                                 {
1512                                                 single_dir = FALSE;
1513                                                 }
1514                                         }
1515                                 g_free(dirname);
1516                                 work = work->next;
1517                                 }
1518                         g_free(path);
1519                         }
1520
1521                 /* Files from multiple folders, or --list option given
1522                  * then open an unnamed collection and insert all files
1523                  */
1524                 if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1525                         {
1526                         GList *work;
1527                         CollectWindow *cw;
1528
1529                         cw = collection_window_new(nullptr);
1530                         cd = cw->cd;
1531
1532                         collection_path_changed(cd);
1533
1534                         work = command_line->cmd_list;
1535                         while (work)
1536                                 {
1537                                 FileData *fd;
1538
1539                                 fd = file_data_new_simple(static_cast<const gchar *>(work->data));
1540                                 collection_add(cd, fd, FALSE);
1541                                 file_data_unref(fd);
1542                                 work = work->next;
1543                                 }
1544
1545                         work = command_line->collection_list;
1546                         while (work)
1547                                 {
1548                                 collection_load(cd, static_cast<gchar *>(work->data), COLLECTION_LOAD_APPEND);
1549                                 work = work->next;
1550                                 }
1551
1552                         if (cd->list) layout_image_set_collection(nullptr, cd, static_cast<CollectInfo *>(cd->list->data));
1553
1554                         /* mem leak, we never unref this collection when !startup_command_line_collection
1555                          * (the image view of the main window does not hold a ref to the collection)
1556                          * this is sort of unavoidable, for if it did hold a ref, next/back
1557                          * may not work as expected when closing collection windows.
1558                          *
1559                          * collection_unref(cd);
1560                          */
1561
1562                         }
1563                 else if (first_collection)
1564                         {
1565                         layout_image_set_collection(nullptr, first_collection,
1566                                                     collection_get_first(first_collection));
1567                         }
1568
1569                 /* If the files on the command line are from one folder, select those files
1570                  * unless it is a command line collection - then leave focus on collection window
1571                  */
1572                 lw = nullptr;
1573                 layout_valid(&lw);
1574
1575                 if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1576                         {
1577                         GList *work;
1578                         GList *selected;
1579                         FileData *fd;
1580
1581                         selected = nullptr;
1582                         work = command_line->cmd_list;
1583                         while (work)
1584                                 {
1585                                 fd = file_data_new_simple(static_cast<gchar *>(work->data));
1586                                 selected = g_list_append(selected, fd);
1587                                 file_data_unref(fd);
1588                                 work = work->next;
1589                                 }
1590                         layout_select_list(lw, selected);
1591                         }
1592
1593                 buf = g_build_filename(get_rc_dir(), ".command", NULL);
1594                 remote_connection = remote_server_init(buf, cd);
1595                 g_free(buf);
1596
1597                 marks_load();
1598
1599                 default_settings = gtk_settings_get_default();
1600                 g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
1601                 set_theme_bg_color();
1602                 }
1603
1604         /* Show a fade-out notification window if the server has a newer AppImage version */
1605         if (options->appimage_notifications)
1606                 {
1607                 if (g_getenv("APPDIR") && strstr(g_getenv("APPDIR"), "/tmp/.mount_Geeqie"))
1608                         {
1609                         appimage_notification();
1610                         }
1611                 else if (g_strstr_len(gq_executable_path, -1, "AppRun"))
1612                         {
1613                         /* Probably running an extracted AppImage */
1614                         appimage_notification();
1615                         }
1616                 }
1617
1618         DEBUG_1("%s main: gtk_main", get_exec_time());
1619         gtk_main();
1620
1621         gdk_threads_leave();
1622         return 0;
1623 }
1624 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */