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