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 <gio/gio.h>
  44 #include <glib-object.h>
  45
  46 #ifdef ENABLE_NLS
  47 #  include <libintl.h>
  48 #endif
  49
  50 #if HAVE_DEVELOPER
  51 #include "third-party/backward.h"
  52 #endif
  53
  54 #include "cache-maint.h"
  55 #include "cache.h"
  56 #include "collect-io.h"
  57 #include "collect.h"
  58 #include "compat.h"
  59 #include "debug.h"
  60 #include "exif.h"
  61 #include "filedata.h"
  62 #include "filefilter.h"
  63 #include "glua.h"
  64 #include "histogram.h"
  65 #include "history-list.h"
  66 #include "image.h"
  67 #include "img-view.h"
  68 #include "intl.h"
  69 #include "layout-image.h"
  70 #include "layout-util.h"
  71 #include "layout.h"
  72 #include "main-defines.h"
  73 #include "metadata.h"
  74 #include "misc.h"
  75 #include "options.h"
  76 #include "pixbuf-util.h"
  77 #include "rcfile.h"
  78 #include "remote.h"
  79 #include "secure-save.h"
  80 #include "third-party/whereami.h"
  81 #include "thumb.h"
  82 #include "ui-fileops.h"
  83 #include "ui-utildlg.h"
  84
  85 gboolean thumb_format_changed = FALSE;
  86 static RemoteConnection *remote_connection = nullptr;
  87
  88 gchar *gq_prefix;
  89 gchar *gq_localedir;
  90 gchar *gq_helpdir;
  91 gchar *gq_htmldir;
  92 gchar *gq_appdir;
  93 gchar *gq_bindir;
  94 gchar *gq_executable_path;
  95 gchar *desktop_file_template;
  96 gchar *instance_identifier;
  97
  98 #if defined(SA_SIGINFO)
  99 void sig_handler_cb(int signo, siginfo_t *info, void *)
 100 {
 101         gchar hex_char[16];
 102         const gchar *signal_name = nullptr;
 103         gint i = 0;
 104         guint64 addr;
 105         guint64 char_index;
 106         ssize_t len;
 107 #if HAVE_EXECINFO_H
 108         gint bt_size;
 109         void *bt[1024];
 110 #endif
 111         struct signals
 112                 {
 113                 gint sig_no;
 114                 const gchar *sig_name;
 115                 };
 116         struct signals signals_list[7];
 117
 118         signals_list[0].sig_no = SIGABRT;
 119         signals_list[0].sig_name = "Abort";
 120         signals_list[1].sig_no = SIGBUS;
 121         signals_list[1].sig_name = "Bus error";
 122         signals_list[2].sig_no = SIGFPE;
 123         signals_list[2].sig_name = "Floating-point exception";
 124         signals_list[3].sig_no = SIGILL;
 125         signals_list[3].sig_name = "Illegal instruction";
 126         signals_list[4].sig_no = SIGIOT;
 127         signals_list[4].sig_name = "IOT trap";
 128         signals_list[5].sig_no = SIGSEGV;
 129         signals_list[5].sig_name = "Invalid memory reference";
 130         signals_list[6].sig_no = -1;
 131         signals_list[6].sig_name = "END";
 132
 133         hex_char[0] = '0';
 134         hex_char[1] = '1';
 135         hex_char[2] = '2';
 136         hex_char[3] = '3';
 137         hex_char[4] = '4';
 138         hex_char[5] = '5';
 139         hex_char[6] = '6';
 140         hex_char[7] = '7';
 141         hex_char[8] = '8';
 142         hex_char[9] = '9';
 143         hex_char[10] = 'a';
 144         hex_char[11] = 'b';
 145         hex_char[12] = 'c';
 146         hex_char[13] = 'd';
 147         hex_char[14] = 'e';
 148         hex_char[15] = 'f';
 149
 150         signal_name = "Unknown signal";
 151         while (signals_list[i].sig_no != -1)
 152                 {
 153                 if (signo == signals_list[i].sig_no)
 154                         {
 155                         signal_name = signals_list[i].sig_name;
 156                         break;
 157                         }
 158                 i++;
 159                 }
 160
 161         len = write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 162         len = write(STDERR_FILENO, "Signal: ", 8);
 163         len = write(STDERR_FILENO, signal_name, strlen(signal_name));
 164         len = write(STDERR_FILENO, "\n", 1);
 165
 166         len = write(STDERR_FILENO, "Code: ", 6);
 167         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"));
 168         len = write(STDERR_FILENO, "\n", 1);
 169
 170         len = write(STDERR_FILENO, "Address: ", 9);
 171
 172         if (info->si_addr == nullptr)
 173                 {
 174                 len = write(STDERR_FILENO, "0x0\n", 4);
 175                 }
 176         else
 177                 {
 178                 /* Assume the address is 64-bit */
 179                 len = write(STDERR_FILENO, "0x", 2);
 180                 addr = reinterpret_cast<guint64>(info->si_addr);
 181
 182                 for (i = 0; i < 16; i++)
 183                         {
 184                         char_index = addr & 0xf000000000000000;
 185                         char_index = char_index >> 60;
 186                         addr = addr << 4;
 187
 188                         len = write(STDERR_FILENO, &hex_char[char_index], 1);
 189                         }
 190                 len = write(STDERR_FILENO, "\n", 1);
 191                 }
 192
 193 #if HAVE_EXECINFO_H
 194         bt_size = backtrace(bt, 1024);
 195         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 196 #endif
 197
 198         /* Avoid "not used" warning */
 199         len++;
 200
 201         exit(EXIT_FAILURE);
 202 }
 203 #else /* defined(SA_SIGINFO) */
 204 void sig_handler_cb(int)
 205 {
 206 #if HAVE_EXECINFO_H
 207         gint bt_size;
 208         void *bt[1024];
 209 #endif
 210
 211         write(STDERR_FILENO, "Geeqie fatal error\n", 19);
 212         write(STDERR_FILENO, "Signal: Segmentation fault\n", 27);
 213
 214 #if HAVE_EXECINFO_H
 215         bt_size = backtrace(bt, 1024);
 216         backtrace_symbols_fd(bt, bt_size, STDERR_FILENO);
 217 #endif
 218
 219         exit(EXIT_FAILURE);
 220 }
 221 #endif /* defined(SA_SIGINFO) */
 222
 223 /*
 224  *-----------------------------------------------------------------------------
 225  * keyboard functions
 226  *-----------------------------------------------------------------------------
 227  */
 228
 229 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
 230 {
 231         static gint delta = 0;
 232         static guint32 time_old = 0;
 233         static guint keyval_old = 0;
 234
 235         if (event->state & GDK_CONTROL_MASK)
 236                 {
 237                 if (*x < 0) *x = G_MININT / 2;
 238                 if (*x > 0) *x = G_MAXINT / 2;
 239                 if (*y < 0) *y = G_MININT / 2;
 240                 if (*y > 0) *y = G_MAXINT / 2;
 241
 242                 return;
 243                 }
 244
 245         if (options->progressive_key_scrolling)
 246                 {
 247                 guint32 time_diff;
 248
 249                 time_diff = event->time - time_old;
 250
 251                 /* key pressed within 125ms ? (1/8 second) */
 252                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 253
 254                 time_old = event->time;
 255                 keyval_old = event->keyval;
 256
 257                 delta += 2;
 258                 }
 259         else
 260                 {
 261                 delta = 8;
 262                 }
 263
 264         *x = *x * delta * options->keyboard_scroll_step;
 265         *y = *y * delta * options->keyboard_scroll_step;
 266 }
 267
 268
 269
 270 /*
 271  *-----------------------------------------------------------------------------
 272  * command line parser (private) hehe, who needs popt anyway?
 273  *-----------------------------------------------------------------------------
 274  */
 275
 276 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 277                                         GList **list, GList **collection_list)
 278 {
 279         gchar *path_parsed;
 280
 281         path_parsed = g_strdup(file_path);
 282         parse_out_relatives(path_parsed);
 283
 284         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 285                 {
 286                 *collection_list = g_list_append(*collection_list, path_parsed);
 287                 }
 288         else
 289                 {
 290                 if (!*path) *path = remove_level_from_path(path_parsed);
 291                 if (!*file) *file = g_strdup(path_parsed);
 292                 *list = g_list_prepend(*list, path_parsed);
 293                 }
 294 }
 295
 296 static void parse_command_line_add_dir(const gchar *dir, gchar **, gchar **, GList **)
 297 {
 298 #if 0
 299         /* This is broken because file filter is not initialized yet.
 300         */
 301         GList *files;
 302         gchar *path_parsed;
 303         FileData *dir_fd;
 304
 305         path_parsed = g_strdup(dir);
 306         parse_out_relatives(path_parsed);
 307         dir_fd = file_data_new_dir(path_parsed);
 308
 309
 310         if (filelist_read(dir_fd, &files, NULL))
 311                 {
 312                 GList *work;
 313
 314                 files = filelist_filter(files, FALSE);
 315                 files = filelist_sort_path(files);
 316
 317                 work = files;
 318                 while (work)
 319                         {
 320                         FileData *fd = static_cast<FileData *>(work->data);
 321                         if (!*path) *path = remove_level_from_path(fd->path);
 322                         if (!*file) *file = g_strdup(fd->path);
 323                         *list = g_list_prepend(*list, fd);
 324
 325                         work = work->next;
 326                         }
 327
 328                 g_list_free(files);
 329                 }
 330
 331         g_free(path_parsed);
 332         file_data_unref(dir_fd);
 333 #else
 334         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 335 #endif
 336 }
 337
 338 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 339                                            GList **list, gchar **first_dir)
 340 {
 341
 342         if (!*list && !*first_dir)
 343                 {
 344                 *first_dir = g_strdup(dir);
 345                 }
 346         else
 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_dir(dir, path, file, list);
 355                 }
 356 }
 357
 358 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 359                                             GList **list, GList **collection_list, gchar **first_dir)
 360 {
 361
 362         if (*first_dir)
 363                 {
 364                 parse_command_line_add_dir(*first_dir, path, file, list);
 365                 g_free(*first_dir);
 366                 *first_dir = nullptr;
 367                 }
 368         parse_command_line_add_file(file_path, path, file, list, collection_list);
 369 }
 370
 371 static void parse_command_line(gint argc, gchar *argv[])
 372 {
 373         GList *list = nullptr;
 374         GList *remote_list = nullptr;
 375         GList *remote_errors = nullptr;
 376         gboolean remote_do = FALSE;
 377         gchar *first_dir = nullptr;
 378         gchar *app_lock;
 379         gchar *pwd;
 380         gchar *current_dir;
 381         gchar *geometry = nullptr;
 382         GtkWidget *dialog_warning;
 383         GString *command_line_errors = g_string_new(nullptr);
 384
 385         command_line = g_new0(CommandLine, 1);
 386
 387         command_line->argc = argc;
 388         command_line->argv = argv;
 389         command_line->regexp = nullptr;
 390
 391         if (argc > 1)
 392                 {
 393                 gint i;
 394                 gchar *base_dir = get_current_dir();
 395                 i = 1;
 396                 while (i < argc)
 397                         {
 398                         gchar *cmd_line = path_to_utf8(argv[i]);
 399                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 400
 401                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 402                                 {
 403                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 404                                 }
 405                         else if (isdir(cmd_all))
 406                                 {
 407                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 408                                 }
 409                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 410                                 {
 411                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 412                                                                 &list, &command_line->collection_list, &first_dir);
 413                                 }
 414                         else if (isfile(cmd_all))
 415                                 {
 416                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 417                                                                 &list, &command_line->collection_list, &first_dir);
 418                                 }
 419                         else if (download_web_file(cmd_line, FALSE, nullptr))
 420                                 {
 421                                 }
 422                         else if (is_collection(cmd_line))
 423                                 {
 424                                 gchar *path = nullptr;
 425
 426                                 path = collection_path(cmd_line);
 427                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 428                                                                 &list, &command_line->collection_list, &first_dir);
 429                                 g_free(path);
 430                                 }
 431                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 432                                 {
 433                                 /* do nothing but do not produce warnings */
 434                                 }
 435                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 436                                 {
 437                                 /* do nothing but do not produce warnings */
 438                                 }
 439                         else if (strcmp(cmd_line, "-T") == 0 ||
 440                                  strcmp(cmd_line, "--with-tools") == 0)
 441                                 {
 442                                 command_line->tools_show = TRUE;
 443
 444                                 remote_list = g_list_append(remote_list, g_strdup("-T"));
 445                                 }
 446                         else if (strcmp(cmd_line, "-t") == 0 ||
 447                                  strcmp(cmd_line, "--without-tools") == 0)
 448                                 {
 449                                 command_line->tools_hide = TRUE;
 450
 451                                 remote_list = g_list_append(remote_list, g_strdup("-t"));
 452                                 }
 453                         else if (strcmp(cmd_line, "-f") == 0 ||
 454                                  strcmp(cmd_line, "--fullscreen") == 0)
 455                                 {
 456                                 command_line->startup_full_screen = TRUE;
 457                                 }
 458                         else if (strcmp(cmd_line, "-s") == 0 ||
 459                                  strcmp(cmd_line, "--slideshow") == 0)
 460                                 {
 461                                 command_line->startup_in_slideshow = TRUE;
 462                                 }
 463                         else if (strcmp(cmd_line, "-l") == 0 ||
 464                                  strcmp(cmd_line, "--list") == 0)
 465                                 {
 466                                 command_line->startup_command_line_collection = TRUE;
 467                                 }
 468                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 469                                 {
 470                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 471                                 }
 472                         else if (strcmp(cmd_line, "-r") == 0 ||
 473                                  strcmp(cmd_line, "--remote") == 0)
 474                                 {
 475                                 if (!remote_do)
 476                                         {
 477                                         remote_do = TRUE;
 478                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 479                                         }
 480                                 }
 481                         else if ((strcmp(cmd_line, "-w") == 0) ||
 482                                                 strcmp(cmd_line, "--show-log-window") == 0)
 483                                 {
 484                                 command_line->log_window_show = TRUE;
 485                                 }
 486                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 487                                 {
 488                                 command_line->log_file = g_strdup(cmd_line + 3);
 489                                 }
 490                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 491                                 {
 492                                 command_line->log_file = g_strdup(cmd_line + 11);
 493                                 }
 494                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 495                                 {
 496                                 set_regexp(g_strdup(cmd_line+3));
 497                                 }
 498                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 499                                 {
 500                                 set_regexp(g_strdup(cmd_line+3));
 501                                 }
 502                         else if (strncmp(cmd_line, "-n", 2) == 0)
 503                                 {
 504                                 command_line->new_instance = TRUE;
 505                                 }
 506                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 507                                 {
 508                                 command_line->new_instance = TRUE;
 509                                 }
 510                         else if (strcmp(cmd_line, "-rh") == 0 ||
 511                                  strcmp(cmd_line, "--remote-help") == 0)
 512                                 {
 513                                 remote_help();
 514                                 exit(0);
 515                                 }
 516                         else if (strcmp(cmd_line, "--blank") == 0)
 517                                 {
 518                                 command_line->startup_blank = TRUE;
 519                                 }
 520                         else if (strcmp(cmd_line, "-v") == 0 ||
 521                                  strcmp(cmd_line, "--version") == 0)
 522                                 {
 523                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 524                                 exit(0);
 525                                 }
 526                         else if (strcmp(cmd_line, "-h") == 0 ||
 527                                  strcmp(cmd_line, "--help") == 0)
 528                                 {
 529                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 530                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 531                                 print_term(FALSE, _("Valid options:\n"));
 532                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 533                                 print_term(FALSE, _("      --cache-maintenance <path>   run cache maintenance in non-GUI mode\n"));
 534                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n"));
 535                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 536                                 print_term(FALSE, _("      --geometry=WxH+XOFF+YOFF     set main window location\n"));
 537                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 538                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 539                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie *\n"));
 540                                 print_term(FALSE, _("  -o:, --log-file:<file>           save log data to file\n"));
 541                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 542                                 print_term(FALSE, _("  -rh, --remote-help               print remote command list\n"));
 543                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 544                                 print_term(FALSE, _("  -T, --with-tools                 force show of tools\n"));
 545                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 546                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 547                                 print_term(FALSE, _("  -w, --show-log-window            show log window\n"));
 548 #ifdef DEBUG
 549                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 550                                 print_term(FALSE, _("  -g:, --grep:<regexp>             filter debug output\n"));
 551 #endif
 552
 553                                 print_term(FALSE, "\n");
 554                                 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");
 555
 556                                 remote_help();
 557
 558
 559                                 exit(0);
 560                                 }
 561                         else if (!remote_do)
 562                                 {
 563                                 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);
 564                                 }
 565
 566                         g_free(cmd_all);
 567                         g_free(cmd_line);
 568                         i++;
 569                         }
 570
 571                 if (command_line_errors->len > 0)
 572                         {
 573                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 574                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 575                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 576                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 577                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 578                         g_object_unref(dialog_warning);
 579                         g_string_free(command_line_errors, TRUE);
 580
 581                         exit(EXIT_FAILURE);
 582                         }
 583
 584                 g_free(base_dir);
 585                 parse_out_relatives(command_line->path);
 586                 parse_out_relatives(command_line->file);
 587                 }
 588
 589         list = g_list_reverse(list);
 590
 591         if (!command_line->path && first_dir)
 592                 {
 593                 command_line->path = first_dir;
 594                 first_dir = nullptr;
 595
 596                 parse_out_relatives(command_line->path);
 597                 }
 598         g_free(first_dir);
 599
 600         if (!command_line->new_instance)
 601                 {
 602                 /* If Geeqie is already running, prevent a second instance
 603                  * from being started. Open a new window instead.
 604                  */
 605                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 606                 if (remote_server_exists(app_lock) && !remote_do)
 607                         {
 608                         remote_do = TRUE;
 609                         if (command_line->geometry)
 610                                 {
 611                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 612                                 remote_list = g_list_prepend(remote_list, geometry);
 613                                 }
 614                         remote_list = g_list_prepend(remote_list, g_strdup("--new-window"));
 615                         }
 616                 g_free(app_lock);
 617                 }
 618
 619         if (remote_do)
 620                 {
 621                 if (remote_errors)
 622                         {
 623                         GList *work = remote_errors;
 624
 625                         while (work)
 626                                 {
 627                                 auto opt = static_cast<gchar *>(work->data);
 628
 629                                 command_line_errors = g_string_append(command_line_errors, opt);
 630                                 command_line_errors = g_string_append(command_line_errors, "\n");
 631                                 work = work->next;
 632                                 }
 633
 634                         dialog_warning = gtk_message_dialog_new(nullptr, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 635                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 636                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 637                         gq_gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 638                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 639                         g_object_unref(dialog_warning);
 640                         g_string_free(command_line_errors, TRUE);
 641
 642                         exit(EXIT_FAILURE);
 643                         }
 644
 645                 /* prepend the current dir the remote command was made from,
 646                  * for use by any remote command that needs it
 647                  */
 648                 current_dir = g_get_current_dir();
 649                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 650                 remote_list = g_list_prepend(remote_list, pwd);
 651
 652                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 653                 /* There is no return to this point
 654                  */
 655                 g_free(pwd);
 656                 g_free(current_dir);
 657                 }
 658         g_free(geometry);
 659         g_list_free(remote_list);
 660
 661         if (list && list->next)
 662                 {
 663                 command_line->cmd_list = list;
 664                 }
 665         else
 666                 {
 667                 g_list_free_full(list, g_free);
 668                 command_line->cmd_list = nullptr;
 669                 }
 670
 671         if (command_line->startup_blank)
 672                 {
 673                 g_free(command_line->path);
 674                 command_line->path = nullptr;
 675                 g_free(command_line->file);
 676                 command_line->file = nullptr;
 677                 filelist_free(command_line->cmd_list);
 678                 command_line->cmd_list = nullptr;
 679                 g_list_free_full(command_line->collection_list, g_free);
 680                 command_line->collection_list = nullptr;
 681                 }
 682 }
 683
 684 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 685 {
 686 #ifdef DEBUG
 687         const gchar *debug_option = "--debug";
 688         gint len = strlen(debug_option);
 689
 690         if (argc > 1)
 691                 {
 692                 gint i;
 693
 694                 for (i = 1; i < argc; i++)
 695                         {
 696                         const gchar *cmd_line = argv[i];
 697                         if (strncmp(cmd_line, debug_option, len) == 0)
 698                                 {
 699                                 gint cmd_line_len = strlen(cmd_line);
 700
 701                                 /* we now increment the debug state for verbosity */
 702                                 if (cmd_line_len == len)
 703                                         debug_level_add(1);
 704                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 705                                         {
 706                                         gint n = atoi(cmd_line + len + 1);
 707                                         if (n < 0) n = 1;
 708                                         debug_level_add(n);
 709                                         }
 710                                 }
 711                         }
 712                 }
 713
 714         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 715 #endif
 716 }
 717
 718 #if HAVE_CLUTTER
 719 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 720 {
 721         const gchar *clutter_option = "--disable-clutter";
 722         gint len = strlen(clutter_option);
 723         gboolean ret = FALSE;
 724
 725         if (argc > 1)
 726                 {
 727                 gint i;
 728
 729                 for (i = 1; i < argc; i++)
 730                         {
 731                         const gchar *cmd_line = argv[i];
 732                         if (strncmp(cmd_line, clutter_option, len) == 0)
 733                                 {
 734                                 ret = TRUE;
 735                                 }
 736                         }
 737                 }
 738
 739         return ret;
 740 }
 741 #endif
 742
 743 static gboolean parse_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 744 {
 745         const gchar *cache_maintenance_option = "--cache-maintenance";
 746         gint len = strlen(cache_maintenance_option);
 747         gboolean ret = FALSE;
 748
 749         if (argc >= 2)
 750                 {
 751                 const gchar *cmd_line = argv[1];
 752                 if (strncmp(cmd_line, cache_maintenance_option, len) == 0)
 753                         {
 754                         ret = TRUE;
 755                         }
 756                 }
 757
 758         return ret;
 759 }
 760
 761 static void process_command_line_for_cache_maintenance_option(gint argc, gchar *argv[])
 762 {
 763         gchar *rc_path;
 764         gchar *folder_path = nullptr;
 765         gsize size;
 766         gsize i = 0;
 767         gchar *buf_config_file;
 768         gint diff_count;
 769
 770         if (argc >= 3)
 771                 {
 772                 folder_path = expand_tilde(argv[2]);
 773
 774                 if (isdir(folder_path))
 775                         {
 776                         rc_path = g_build_filename(get_rc_dir(), RC_FILE_NAME, NULL);
 777
 778                         if (isfile(rc_path))
 779                                 {
 780                                 if (g_file_get_contents(rc_path, &buf_config_file, &size, nullptr))
 781                                         {
 782                                         while (i < size)
 783                                                 {
 784                                                 diff_count = strncmp("</global>", &buf_config_file[i], 9);
 785                                                 if (diff_count == 0)
 786                                                         {
 787                                                         break;
 788                                                         }
 789                                                 i++;
 790                                                 }
 791                                         /* Load only the <global> section */
 792                                         load_config_from_buf(buf_config_file, i + 9, FALSE);
 793
 794                                         if (options->thumbnails.enable_caching)
 795                                                 {
 796                                                 cache_maintenance(folder_path);
 797                                                 }
 798                                         else
 799                                                 {
 800                                                 print_term(TRUE, "Caching not enabled\n");
 801                                                 exit(EXIT_FAILURE);
 802                                                 }
 803                                         g_free(buf_config_file);
 804                                         }
 805                                 else
 806                                         {
 807                                         print_term(TRUE, g_strconcat(_("Cannot load "), rc_path, "\n", NULL));
 808                                         exit(EXIT_FAILURE);
 809                                         }
 810                                 }
 811                         else
 812                                 {
 813                                 print_term(TRUE, g_strconcat(_("Configuration file path "), rc_path, _(" is not a file\n"), NULL));
 814                                 exit(EXIT_FAILURE);
 815                                 }
 816                         g_free(rc_path);
 817                         }
 818                 else
 819                         {
 820                         print_term(TRUE, g_strconcat(argv[2], _(" is not a folder\n"), NULL));
 821                         exit(EXIT_FAILURE);
 822                         }
 823                 g_free(folder_path);
 824                 }
 825         else
 826                 {
 827                 print_term(TRUE, _("No path parameter given\n"));
 828                 exit(EXIT_FAILURE);
 829                 }
 830 }
 831
 832 /*
 833  *-----------------------------------------------------------------------------
 834  * startup, init, and exit
 835  *-----------------------------------------------------------------------------
 836  */
 837
 838 #define RC_HISTORY_NAME "history"
 839 #define RC_MARKS_NAME "marks"
 840
 841 static void setup_env_path()
 842 {
 843         const gchar *old_path = g_getenv("PATH");
 844         gchar *path = g_strconcat(gq_bindir, ":", old_path, NULL);
 845         g_setenv("PATH", path, TRUE);
 846         g_free(path);
 847 }
 848
 849 static void keys_load()
 850 {
 851         gchar *path;
 852
 853         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 854         history_list_load(path);
 855         g_free(path);
 856 }
 857
 858 static void keys_save()
 859 {
 860         gchar *path;
 861
 862         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 863         history_list_save(path);
 864         g_free(path);
 865 }
 866
 867 static void marks_load()
 868 {
 869         gchar *path;
 870
 871         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 872         marks_list_load(path);
 873         g_free(path);
 874 }
 875
 876 static void marks_save(gboolean save)
 877 {
 878         gchar *path;
 879
 880         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 881         marks_list_save(path, save);
 882         g_free(path);
 883 }
 884
 885 static void mkdir_if_not_exists(const gchar *path)
 886 {
 887         if (isdir(path)) return;
 888
 889         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 890
 891         if (!recursive_mkdir_if_not_exists(path, 0755))
 892                 {
 893                 log_printf(_("Could not create dir:%s\n"), path);
 894                 }
 895 }
 896
 897
 898 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 899  * to improve the reliability in special cases (especially when disk is full)
 900  * These functions are now using secure saving stuff.
 901  */
 902 static void gq_accel_map_print(
 903                     gpointer    data,
 904                     const gchar *accel_path,
 905                     guint       accel_key,
 906                     GdkModifierType accel_mods,
 907                     gboolean    changed)
 908 {
 909         GString *gstring = g_string_new(changed ? nullptr : "; ");
 910         auto ssi = static_cast<SecureSaveInfo *>(data);
 911         gchar *tmp;
 912         gchar *name;
 913
 914         g_string_append(gstring, "(gtk_accel_path \"");
 915
 916         tmp = g_strescape(accel_path, nullptr);
 917         g_string_append(gstring, tmp);
 918         g_free(tmp);
 919
 920         g_string_append(gstring, "\" \"");
 921
 922         name = gtk_accelerator_name(accel_key, accel_mods);
 923         tmp = g_strescape(name, nullptr);
 924         g_free(name);
 925         g_string_append(gstring, tmp);
 926         g_free(tmp);
 927
 928         g_string_append(gstring, "\")\n");
 929
 930         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 931
 932         g_string_free(gstring, TRUE);
 933 }
 934
 935 static gboolean gq_accel_map_save(const gchar *path)
 936 {
 937         gchar *pathl;
 938         SecureSaveInfo *ssi;
 939         GString *gstring;
 940
 941         pathl = path_from_utf8(path);
 942         ssi = secure_open(pathl);
 943         g_free(pathl);
 944         if (!ssi)
 945                 {
 946                 log_printf(_("error saving file: %s\n"), path);
 947                 return FALSE;
 948                 }
 949
 950         gstring = g_string_new("; ");
 951         if (g_get_prgname())
 952                 g_string_append(gstring, g_get_prgname());
 953         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 954         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 955         g_string_append(gstring, ";\n");
 956
 957         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 958
 959         g_string_free(gstring, TRUE);
 960
 961         gtk_accel_map_foreach(ssi, gq_accel_map_print);
 962
 963         if (secure_close(ssi))
 964                 {
 965                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 966                            secsave_strerror(secsave_errno));
 967                 return FALSE;
 968                 }
 969
 970         return TRUE;
 971 }
 972
 973 static gchar *accep_map_filename()
 974 {
 975         return g_build_filename(get_rc_dir(), "accels", NULL);
 976 }
 977
 978 static void accel_map_save()
 979 {
 980         gchar *path;
 981
 982         path = accep_map_filename();
 983         gq_accel_map_save(path);
 984         g_free(path);
 985 }
 986
 987 static void accel_map_load()
 988 {
 989         gchar *path;
 990         gchar *pathl;
 991
 992         path = accep_map_filename();
 993         pathl = path_from_utf8(path);
 994         gtk_accel_map_load(pathl);
 995         g_free(pathl);
 996         g_free(path);
 997 }
 998
 999 static void gtkrc_load()
1000 {
1001         gchar *path;
1002         gchar *pathl;
1003
1004         /* If a gtkrc file exists in the rc directory, add it to the
1005          * list of files to be parsed at the end of gtk_init() */
1006         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
1007         pathl = path_from_utf8(path);
1008         if (access(pathl, R_OK) == 0)
1009                 gtk_rc_add_default_file(pathl);
1010         g_free(pathl);
1011         g_free(path);
1012 }
1013
1014 static void exit_program_final()
1015 {
1016         LayoutWindow *lw = nullptr;
1017         GList *list;
1018         LayoutWindow *tmp_lw;
1019         gchar *archive_dir;
1020         GFile *archive_file;
1021
1022          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
1023         layout_editors_reload_finish();
1024
1025         remote_close(remote_connection);
1026
1027         collect_manager_flush();
1028
1029         /* Save the named windows */
1030         if (layout_window_list && layout_window_list->next)
1031                 {
1032                 list = layout_window_list;
1033                 while (list)
1034                         {
1035                         tmp_lw = static_cast<LayoutWindow *>(list->data);
1036                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
1037                                 {
1038                                 save_layout(static_cast<LayoutWindow *>(list->data));
1039                                 }
1040                         list = list->next;
1041                         }
1042                 }
1043
1044         save_options(options);
1045         keys_save();
1046         accel_map_save();
1047
1048         if (layout_valid(&lw))
1049                 {
1050                 layout_free(lw);
1051                 }
1052
1053         /* Delete any files/folders in /tmp that have been created by the open archive function */
1054         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, instance_identifier, NULL);
1055         if (isdir(archive_dir))
1056                 {
1057                 archive_file = g_file_new_for_path(archive_dir);
1058                 rmdir_recursive(archive_file, nullptr, nullptr);
1059                 g_free(archive_dir);
1060                 g_object_unref(archive_file);
1061                 }
1062
1063         /* If there are still sub-dirs created by another instance, this will fail
1064          * but that does not matter */
1065         archive_dir = g_build_filename(g_get_tmp_dir(), GQ_ARCHIVE_DIR, NULL);
1066         if (isdir(archive_dir))
1067                 {
1068                 archive_file = g_file_new_for_path(archive_dir);
1069                 g_file_delete(archive_file, nullptr, nullptr);
1070                 g_free(archive_dir);
1071                 g_object_unref(archive_file);
1072                 }
1073
1074         secure_close(command_line->ssi);
1075
1076         gtk_main_quit();
1077 }
1078
1079 static GenericDialog *exit_dialog = nullptr;
1080
1081 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer)
1082 {
1083         exit_dialog = nullptr;
1084         generic_dialog_close(gd);
1085 }
1086
1087 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer)
1088 {
1089         exit_dialog = nullptr;
1090         generic_dialog_close(gd);
1091         exit_program_final();
1092 }
1093
1094 static gint exit_confirm_dlg()
1095 {
1096         GtkWidget *parent;
1097         LayoutWindow *lw;
1098         gchar *msg;
1099         GString *message;
1100
1101         if (exit_dialog)
1102                 {
1103                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
1104                 return TRUE;
1105                 }
1106
1107         if (!collection_window_modified_exists() && (layout_window_count() == 1)) return FALSE;
1108
1109         parent = nullptr;
1110         lw = nullptr;
1111         if (layout_valid(&lw))
1112                 {
1113                 parent = lw->window;
1114                 }
1115
1116         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
1117         exit_dialog = generic_dialog_new(msg,
1118                                 "exit", parent, FALSE,
1119                                 exit_confirm_cancel_cb, nullptr);
1120         g_free(msg);
1121         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
1122
1123         message = g_string_new(nullptr);
1124
1125         if (collection_window_modified_exists())
1126                 {
1127                 message = g_string_append(message, _("Collections have been modified.\n"));
1128                 }
1129
1130         if (layout_window_count() > 1)
1131                 {
1132                 g_string_append_printf(message, _("%d windows are open.\n\n"), layout_window_count());
1133                 }
1134
1135         message = g_string_append(message, _("Quit anyway?"));
1136
1137         generic_dialog_add_message(exit_dialog, GQ_ICON_DIALOG_QUESTION, msg, message->str, TRUE);
1138         g_free(msg);
1139         generic_dialog_add_button(exit_dialog, GQ_ICON_QUIT, _("Quit"), exit_confirm_exit_cb, TRUE);
1140
1141         gtk_widget_show(exit_dialog->dialog);
1142
1143         g_string_free(message, TRUE);
1144
1145         return TRUE;
1146 }
1147
1148 static void exit_program_write_metadata_cb(gint success, const gchar *, gpointer)
1149 {
1150         if (success) exit_program();
1151 }
1152
1153 void exit_program()
1154 {
1155         layout_image_full_screen_stop(nullptr);
1156
1157         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, nullptr)) return;
1158
1159         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
1160
1161         if (exit_confirm_dlg()) return;
1162
1163         exit_program_final();
1164 }
1165
1166 /* This code attempts to handle situation when a file mmaped by image_loader
1167  * or by exif loader is truncated by some other process.
1168  * This code is incorrect according to POSIX, because:
1169  *
1170  *   mmap is not async-signal-safe and thus may not be called from a signal handler
1171  *
1172  *   mmap must be called with a valid file descriptor.  POSIX requires that
1173  *   a fildes argument of -1 must cause mmap to return EBADF.
1174  *
1175  * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion of
1176  * an alternative approach.
1177  */
1178 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
1179 /** @FIXME This section needs revising */
1180
1181 #pragma GCC diagnostic push
1182 #pragma GCC diagnostic ignored "-Wunused-function"
1183 #if defined(SIGBUS) && defined(SA_SIGINFO)
1184 static void sigbus_handler_cb_unused(int, siginfo_t *info, void *)
1185 {
1186         /*
1187          * @FIXME Design and implement a POSIX-acceptable approach,
1188          * after first documenting the sitations where SIGBUS occurs.
1189          * See https://github.com/BestImageViewer/geeqie/issues/1052 for discussion
1190          */
1191
1192         DEBUG_1("SIGBUS %p NOT HANDLED", info->si_addr);
1193         exit(EXIT_FAILURE);
1194 }
1195 #endif
1196
1197 static void setup_sigbus_handler_unused()
1198 {
1199 #if defined(SIGBUS) && defined(SA_SIGINFO)
1200         struct sigaction sigbus_action;
1201         sigfillset(&sigbus_action.sa_mask);
1202         sigbus_action.sa_sigaction = sigbus_handler_cb_unused;
1203         sigbus_action.sa_flags = SA_SIGINFO;
1204
1205         sigaction(SIGBUS, &sigbus_action, nullptr);
1206 #endif
1207 }
1208 #pragma GCC diagnostic pop
1209
1210 #if !HAVE_DEVELOPER
1211 static void setup_sig_handler()
1212 {
1213         struct sigaction sigsegv_action;
1214         sigfillset(&sigsegv_action.sa_mask);
1215         sigsegv_action.sa_sigaction = sig_handler_cb;
1216         sigsegv_action.sa_flags = SA_SIGINFO;
1217
1218         sigaction(SIGABRT, &sigsegv_action, nullptr);
1219         sigaction(SIGBUS, &sigsegv_action, nullptr);
1220         sigaction(SIGFPE, &sigsegv_action, nullptr);
1221         sigaction(SIGILL, &sigsegv_action, nullptr);
1222         sigaction(SIGIOT, &sigsegv_action, nullptr);
1223         sigaction(SIGSEGV, &sigsegv_action, nullptr);
1224 }
1225 #endif
1226
1227 static void set_theme_bg_color()
1228 {
1229         GdkRGBA bg_color;
1230         GdkRGBA theme_color;
1231         GtkStyleContext *style_context;
1232         GList *work;
1233         LayoutWindow *lw;
1234
1235         if (!options->image.use_custom_border_color)
1236                 {
1237                 work = layout_window_list;
1238                 lw = static_cast<LayoutWindow *>(work->data);
1239
1240                 style_context = gtk_widget_get_style_context(lw->window);
1241                 gtk_style_context_get_background_color(style_context, GTK_STATE_FLAG_NORMAL, &bg_color);
1242
1243                 theme_color.red = bg_color.red  ;
1244                 theme_color.green = bg_color.green  ;
1245                 theme_color.blue = bg_color.blue ;
1246
1247                 while (work)
1248                         {
1249                         lw = static_cast<LayoutWindow *>(work->data);
1250                         image_background_set_color(lw->image, &theme_color);
1251                         work = work->next;
1252                         }
1253                 }
1254
1255         view_window_colors_update();
1256 }
1257
1258 static gboolean theme_change_cb(GObject *, GParamSpec *, gpointer)
1259 {
1260         set_theme_bg_color();
1261
1262         return FALSE;
1263 }
1264
1265 /**
1266  * @brief Set up the application paths
1267  *
1268  * This function is required for use of AppImages. AppImages are
1269  * relocatable, and therefore cannot use fixed paths to various components.
1270  * These paths were originally #defines created during compilation.
1271  * They are now variables, all defined relative to one level above the
1272  * directory that the executable is run from.
1273  */
1274 static void create_application_paths()
1275 {
1276         gchar *dirname;
1277         gint length;
1278         gchar *path;
1279
1280         length = wai_getExecutablePath(nullptr, 0, nullptr);
1281         path = static_cast<gchar *>(malloc(length + 1));
1282         wai_getExecutablePath(path, length, nullptr);
1283         path[length] = '\0';
1284
1285         gq_executable_path = g_strdup(path);
1286         dirname = g_path_get_dirname(gq_executable_path);
1287         gq_prefix = g_path_get_dirname(dirname);
1288
1289         gq_localedir = g_build_filename(gq_prefix, GQ_LOCALEDIR, NULL);
1290         gq_helpdir = g_build_filename(gq_prefix, GQ_HELPDIR, NULL);
1291         gq_htmldir = g_build_filename(gq_prefix, GQ_HTMLDIR, NULL);
1292         gq_appdir = g_build_filename(gq_prefix, GQ_APPDIR, NULL);
1293         gq_bindir = g_build_filename(gq_prefix, GQ_BINDIR, NULL);
1294         desktop_file_template = g_build_filename(gq_appdir, "org.geeqie.template.desktop", NULL);
1295
1296         g_free(dirname);
1297         g_free(path);
1298 }
1299
1300 gint main(gint argc, gchar *argv[])
1301 {
1302         CollectionData *cd = nullptr;
1303         CollectionData *first_collection = nullptr;
1304         gboolean disable_clutter = FALSE;
1305         gboolean single_dir = TRUE;
1306         gchar *buf;
1307         GdkScreen *screen;
1308         GtkCssProvider *provider;
1309         GtkSettings *default_settings;
1310         LayoutWindow *lw;
1311
1312         gdk_set_allowed_backends("x11,*");
1313
1314         gdk_threads_init();
1315         gdk_threads_enter();
1316
1317         /* seg. fault handler */
1318 #if HAVE_DEVELOPER
1319         backward::SignalHandling sh{};
1320 #else
1321         setup_sig_handler();
1322 #endif
1323
1324         /* init execution time counter (debug only) */
1325         init_exec_time();
1326
1327         create_application_paths();
1328
1329         /* setup locale, i18n */
1330         setlocale(LC_ALL, "");
1331
1332 #ifdef ENABLE_NLS
1333         bindtextdomain(PACKAGE, gq_localedir);
1334         bind_textdomain_codeset(PACKAGE, "UTF-8");
1335         textdomain(PACKAGE);
1336 #endif
1337
1338         exif_init();
1339
1340 #if HAVE_LUA
1341         lua_init();
1342 #endif
1343
1344         /* setup random seed for random slideshow */
1345         srand(time(nullptr));
1346
1347 #if 0
1348         /* See later comment; this handler leads to UB. */
1349         setup_sigbus_handler();
1350 #endif
1351
1352         /* register global notify functions */
1353         file_data_register_notify_func(cache_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1354         file_data_register_notify_func(thumb_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1355         file_data_register_notify_func(histogram_notify_cb, nullptr, NOTIFY_PRIORITY_HIGH);
1356         file_data_register_notify_func(collect_manager_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1357         file_data_register_notify_func(metadata_notify_cb, nullptr, NOTIFY_PRIORITY_LOW);
1358
1359
1360         gtkrc_load();
1361
1362         parse_command_line_for_debug_option(argc, argv);
1363         DEBUG_1("%s main: gtk_init", get_exec_time());
1364 #if HAVE_CLUTTER
1365         if (parse_command_line_for_clutter_option(argc, argv))
1366                 {
1367                 disable_clutter = TRUE;
1368                 gtk_init(&argc, &argv);
1369                 }
1370         else
1371                 {
1372                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1373                         {
1374                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1375                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1376                         exit(1);
1377                         }
1378                 }
1379 #else
1380         gtk_init(&argc, &argv);
1381 #endif
1382
1383         if (gtk_major_version < GTK_MAJOR_VERSION ||
1384             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1385                 {
1386                 log_printf("!!! This is a friendly warning.\n");
1387                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1388                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1389                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1390                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1391                 }
1392
1393         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1394         gtk_icon_theme_add_resource_path(gtk_icon_theme_get_default(), GQ_RESOURCE_PATH_ICONS);
1395         pixbuf_inline_register_stock_icons();
1396
1397         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1398         options = init_options(nullptr);
1399         setup_default_options(options);
1400         if (disable_clutter)
1401                 {
1402                 options->disable_gpu = TRUE;
1403                 }
1404
1405         /* Generate a unique identifier used by the open archive function */
1406         instance_identifier = g_strdup_printf("%x", g_random_int());
1407
1408         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1409         /* these functions don't depend on config file */
1410         mkdir_if_not_exists(get_rc_dir());
1411         mkdir_if_not_exists(get_collections_dir());
1412         mkdir_if_not_exists(get_thumbnails_cache_dir());
1413         mkdir_if_not_exists(get_metadata_cache_dir());
1414         mkdir_if_not_exists(get_window_layouts_dir());
1415
1416         setup_env_path();
1417
1418         screen = gdk_screen_get_default();
1419         provider = gtk_css_provider_new();
1420         gtk_css_provider_load_from_resource(provider, GQ_RESOURCE_PATH_UI "/custom.css");
1421         gtk_style_context_add_provider_for_screen(screen, GTK_STYLE_PROVIDER(provider), GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
1422
1423         if (parse_command_line_for_cache_maintenance_option(argc, argv))
1424                 {
1425                 process_command_line_for_cache_maintenance_option(argc, argv);
1426                 }
1427         else
1428                 {
1429                 DEBUG_1("%s main: parse_command_line", get_exec_time());
1430                 parse_command_line(argc, argv);
1431
1432                 keys_load();
1433                 accel_map_load();
1434
1435                 /* restore session from the config file */
1436
1437
1438                 DEBUG_1("%s main: load_options", get_exec_time());
1439                 if (!load_options(options))
1440                         {
1441                         /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1442                         filter_add_defaults();
1443                         filter_rebuild();
1444                         }
1445
1446         #if HAVE_CLUTTER
1447         /** @FIXME For the background of this see:
1448          * https://github.com/BestImageViewer/geeqie/issues/397
1449          * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1450          * system is liable to exhibit this problem.
1451          * The user is provided with an override in Preferences/Behavior
1452          */
1453                 if (!options->override_disable_gpu && !options->disable_gpu)
1454                         {
1455                         DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1456                         if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1457                                 {
1458                                 options->disable_gpu = TRUE;
1459                                 }
1460                         }
1461         #endif
1462
1463                 /* handle missing config file and commandline additions*/
1464                 if (!layout_window_list)
1465                         {
1466                         /* broken or no config file or no <layout> section */
1467                         layout_new_from_default();
1468                         }
1469
1470                 layout_editors_reload_start();
1471
1472                 /* If no --list option, open a separate collection window for each
1473                  * .gqv file on the command line
1474                  */
1475                 if (command_line->collection_list && !command_line->startup_command_line_collection)
1476                         {
1477                         GList *work;
1478
1479                         work = command_line->collection_list;
1480                         while (work)
1481                                 {
1482                                 CollectWindow *cw;
1483                                 const gchar *path;
1484
1485                                 path = static_cast<const gchar *>(work->data);
1486                                 work = work->next;
1487
1488                                 cw = collection_window_new(path);
1489                                 if (!first_collection && cw) first_collection = cw->cd;
1490                                 }
1491                         }
1492
1493                 if (command_line->log_file)
1494                         {
1495                         gchar *pathl;
1496                         gchar *path = g_strdup(command_line->log_file);
1497
1498                         pathl = path_from_utf8(path);
1499                         command_line->ssi = secure_open(pathl);
1500                         }
1501
1502                 /* If there is a files list on the command line and no --list option,
1503                  * check if they are all in the same folder
1504                  */
1505                 if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1506                         {
1507                         GList *work;
1508                         gchar *path = nullptr;
1509
1510                         work = command_line->cmd_list;
1511
1512                         while (work && single_dir)
1513                                 {
1514                                 gchar *dirname;
1515
1516                                 dirname = g_path_get_dirname(static_cast<const gchar *>(work->data));
1517                                 if (!path)
1518                                         {
1519                                         path = g_strdup(dirname);
1520                                         }
1521                                 else
1522                                         {
1523                                         if (g_strcmp0(path, dirname) != 0)
1524                                                 {
1525                                                 single_dir = FALSE;
1526                                                 }
1527                                         }
1528                                 g_free(dirname);
1529                                 work = work->next;
1530                                 }
1531                         g_free(path);
1532                         }
1533
1534                 /* Files from multiple folders, or --list option given
1535                  * then open an unnamed collection and insert all files
1536                  */
1537                 if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1538                         {
1539                         GList *work;
1540                         CollectWindow *cw;
1541
1542                         cw = collection_window_new(nullptr);
1543                         cd = cw->cd;
1544
1545                         collection_path_changed(cd);
1546
1547                         work = command_line->cmd_list;
1548                         while (work)
1549                                 {
1550                                 FileData *fd;
1551
1552                                 fd = file_data_new_simple(static_cast<const gchar *>(work->data));
1553                                 collection_add(cd, fd, FALSE);
1554                                 file_data_unref(fd);
1555                                 work = work->next;
1556                                 }
1557
1558                         work = command_line->collection_list;
1559                         while (work)
1560                                 {
1561                                 collection_load(cd, static_cast<gchar *>(work->data), COLLECTION_LOAD_APPEND);
1562                                 work = work->next;
1563                                 }
1564
1565                         if (cd->list) layout_image_set_collection(nullptr, cd, static_cast<CollectInfo *>(cd->list->data));
1566
1567                         /* mem leak, we never unref this collection when !startup_command_line_collection
1568                          * (the image view of the main window does not hold a ref to the collection)
1569                          * this is sort of unavoidable, for if it did hold a ref, next/back
1570                          * may not work as expected when closing collection windows.
1571                          *
1572                          * collection_unref(cd);
1573                          */
1574
1575                         }
1576                 else if (first_collection)
1577                         {
1578                         layout_image_set_collection(nullptr, first_collection,
1579                                                     collection_get_first(first_collection));
1580                         }
1581
1582                 /* If the files on the command line are from one folder, select those files
1583                  * unless it is a command line collection - then leave focus on collection window
1584                  */
1585                 lw = nullptr;
1586                 layout_valid(&lw);
1587
1588                 if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1589                         {
1590                         GList *work;
1591                         GList *selected;
1592                         FileData *fd;
1593
1594                         selected = nullptr;
1595                         work = command_line->cmd_list;
1596                         while (work)
1597                                 {
1598                                 fd = file_data_new_simple(static_cast<gchar *>(work->data));
1599                                 selected = g_list_append(selected, fd);
1600                                 file_data_unref(fd);
1601                                 work = work->next;
1602                                 }
1603                         layout_select_list(lw, selected);
1604                         }
1605
1606                 buf = g_build_filename(get_rc_dir(), ".command", NULL);
1607                 remote_connection = remote_server_init(buf, cd);
1608                 g_free(buf);
1609
1610                 marks_load();
1611
1612                 default_settings = gtk_settings_get_default();
1613                 g_signal_connect(default_settings, "notify::gtk-theme-name", G_CALLBACK(theme_change_cb), NULL);
1614                 set_theme_bg_color();
1615                 }
1616
1617         /* Show a fade-out notification window if the server has a newer AppImage version */
1618         if (options->appimage_notifications)
1619                 {
1620                 if (g_getenv("APPDIR") && strstr(g_getenv("APPDIR"), "/tmp/.mount_Geeqie"))
1621                         {
1622                         appimage_notification();
1623                         }
1624                 else if (g_strstr_len(gq_executable_path, -1, "AppRun"))
1625                         {
1626                         /* Probably running an extracted AppImage */
1627                         appimage_notification();
1628                         }
1629                 }
1630
1631         DEBUG_1("%s main: gtk_main", get_exec_time());
1632         gtk_main();
1633
1634         gdk_threads_leave();
1635         return 0;
1636 }
1637 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */