src/main.c

   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 <gdk/gdkkeysyms.h> /* for keyboard values */
  23
  24 #include <signal.h>
  25 #include <sys/mman.h>
  26
  27 #include <math.h>
  28 #ifdef G_OS_UNIX
  29 #include <pwd.h>
  30 #endif
  31 #include <locale.h>
  32
  33 #include "main.h"
  34
  35 #include "cache.h"
  36 #include "collect.h"
  37 #include "collect-io.h"
  38 #include "filedata.h"
  39 #include "filefilter.h"
  40 #include "history_list.h"
  41 #include "image-overlay.h"
  42 #include "layout.h"
  43 #include "layout_image.h"
  44 #include "layout_util.h"
  45 #include "misc.h"
  46 #include "options.h"
  47 #include "remote.h"
  48 #include "secure_save.h"
  49 #include "similar.h"
  50 #include "ui_fileops.h"
  51 #include "ui_utildlg.h"
  52 #include "cache_maint.h"
  53 #include "thumb.h"
  54 #include "metadata.h"
  55 #include "editors.h"
  56 #include "exif.h"
  57 #include "histogram.h"
  58 #include "pixbuf_util.h"
  59 #include "glua.h"
  60
  61 #ifdef HAVE_CLUTTER
  62 #include <clutter-gtk/clutter-gtk.h>
  63 #endif
  64
  65 #ifdef HAVE_GTHREAD
  66 /** @FIXME see below */
  67 #include <X11/Xlib.h>
  68 #endif
  69
  70 gboolean thumb_format_changed = FALSE;
  71 static RemoteConnection *remote_connection = NULL;
  72
  73 gchar *gq_prefix;
  74 gchar *gq_localedir;
  75 gchar *gq_helpdir;
  76 gchar *gq_htmldir;
  77 gchar *gq_app_dir;
  78 gchar *gq_bin_dir;
  79 gchar *desktop_file_template;
  80
  81 /*
  82  *-----------------------------------------------------------------------------
  83  * keyboard functions
  84  *-----------------------------------------------------------------------------
  85  */
  86
  87 void keyboard_scroll_calc(gint *x, gint *y, GdkEventKey *event)
  88 {
  89         static gint delta = 0;
  90         static guint32 time_old = 0;
  91         static guint keyval_old = 0;
  92
  93         if (event->state & GDK_CONTROL_MASK)
  94                 {
  95                 if (*x < 0) *x = G_MININT / 2;
  96                 if (*x > 0) *x = G_MAXINT / 2;
  97                 if (*y < 0) *y = G_MININT / 2;
  98                 if (*y > 0) *y = G_MAXINT / 2;
  99
 100                 return;
 101                 }
 102
 103         if (options->progressive_key_scrolling)
 104                 {
 105                 guint32 time_diff;
 106
 107                 time_diff = event->time - time_old;
 108
 109                 /* key pressed within 125ms ? (1/8 second) */
 110                 if (time_diff > 125 || event->keyval != keyval_old) delta = 0;
 111
 112                 time_old = event->time;
 113                 keyval_old = event->keyval;
 114
 115                 delta += 2;
 116                 }
 117         else
 118                 {
 119                 delta = 8;
 120                 }
 121
 122         *x = *x * delta * options->keyboard_scroll_step;
 123         *y = *y * delta * options->keyboard_scroll_step;
 124 }
 125
 126
 127
 128 /*
 129  *-----------------------------------------------------------------------------
 130  * command line parser (private) hehe, who needs popt anyway?
 131  *-----------------------------------------------------------------------------
 132  */
 133
 134 static void parse_command_line_add_file(const gchar *file_path, gchar **path, gchar **file,
 135                                         GList **list, GList **collection_list)
 136 {
 137         gchar *path_parsed;
 138
 139         path_parsed = g_strdup(file_path);
 140         parse_out_relatives(path_parsed);
 141
 142         if (file_extension_match(path_parsed, GQ_COLLECTION_EXT))
 143                 {
 144                 *collection_list = g_list_append(*collection_list, path_parsed);
 145                 }
 146         else
 147                 {
 148                 if (!*path) *path = remove_level_from_path(path_parsed);
 149                 if (!*file) *file = g_strdup(path_parsed);
 150                 *list = g_list_prepend(*list, path_parsed);
 151                 }
 152 }
 153
 154 static void parse_command_line_add_dir(const gchar *dir, gchar **path, gchar **file,
 155                                        GList **list)
 156 {
 157 #if 0
 158         /* This is broken because file filter is not initialized yet.
 159         */
 160         GList *files;
 161         gchar *path_parsed;
 162         FileData *dir_fd;
 163
 164         path_parsed = g_strdup(dir);
 165         parse_out_relatives(path_parsed);
 166         dir_fd = file_data_new_dir(path_parsed);
 167
 168
 169         if (filelist_read(dir_fd, &files, NULL))
 170                 {
 171                 GList *work;
 172
 173                 files = filelist_filter(files, FALSE);
 174                 files = filelist_sort_path(files);
 175
 176                 work = files;
 177                 while (work)
 178                         {
 179                         FileData *fd = work->data;
 180                         if (!*path) *path = remove_level_from_path(fd->path);
 181                         if (!*file) *file = g_strdup(fd->path);
 182                         *list = g_list_prepend(*list, fd);
 183
 184                         work = work->next;
 185                         }
 186
 187                 g_list_free(files);
 188                 }
 189
 190         g_free(path_parsed);
 191         file_data_unref(dir_fd);
 192 #else
 193         DEBUG_1("multiple directories specified, ignoring: %s", dir);
 194 #endif
 195 }
 196
 197 static void parse_command_line_process_dir(const gchar *dir, gchar **path, gchar **file,
 198                                            GList **list, gchar **first_dir)
 199 {
 200
 201         if (!*list && !*first_dir)
 202                 {
 203                 *first_dir = g_strdup(dir);
 204                 }
 205         else
 206                 {
 207                 if (*first_dir)
 208                         {
 209                         parse_command_line_add_dir(*first_dir, path, file, list);
 210                         g_free(*first_dir);
 211                         *first_dir = NULL;
 212                         }
 213                 parse_command_line_add_dir(dir, path, file, list);
 214                 }
 215 }
 216
 217 static void parse_command_line_process_file(const gchar *file_path, gchar **path, gchar **file,
 218                                             GList **list, GList **collection_list, gchar **first_dir)
 219 {
 220
 221         if (*first_dir)
 222                 {
 223                 parse_command_line_add_dir(*first_dir, path, file, list);
 224                 g_free(*first_dir);
 225                 *first_dir = NULL;
 226                 }
 227         parse_command_line_add_file(file_path, path, file, list, collection_list);
 228 }
 229
 230 static void parse_command_line(gint argc, gchar *argv[])
 231 {
 232         GList *list = NULL;
 233         GList *remote_list = NULL;
 234         GList *remote_errors = NULL;
 235         gboolean remote_do = FALSE;
 236         gchar *first_dir = NULL;
 237         gchar *app_lock;
 238         gchar *pwd;
 239         gchar *current_dir;
 240         gchar *geometry = NULL;
 241         GtkWidget *dialog_warning;
 242         GString *command_line_errors = g_string_new(NULL);
 243
 244         command_line = g_new0(CommandLine, 1);
 245
 246         command_line->argc = argc;
 247         command_line->argv = argv;
 248         command_line->regexp = NULL;
 249
 250         if (argc > 1)
 251                 {
 252                 gint i;
 253                 gchar *base_dir = get_current_dir();
 254                 i = 1;
 255                 while (i < argc)
 256                         {
 257                         gchar *cmd_line = path_to_utf8(argv[i]);
 258                         gchar *cmd_all = g_build_filename(base_dir, cmd_line, NULL);
 259
 260                         if (cmd_line[0] == G_DIR_SEPARATOR && isdir(cmd_line))
 261                                 {
 262                                 parse_command_line_process_dir(cmd_line, &command_line->path, &command_line->file, &list, &first_dir);
 263                                 }
 264                         else if (isdir(cmd_all))
 265                                 {
 266                                 parse_command_line_process_dir(cmd_all, &command_line->path, &command_line->file, &list, &first_dir);
 267                                 }
 268                         else if (cmd_line[0] == G_DIR_SEPARATOR && isfile(cmd_line))
 269                                 {
 270                                 parse_command_line_process_file(cmd_line, &command_line->path, &command_line->file,
 271                                                                 &list, &command_line->collection_list, &first_dir);
 272                                 }
 273                         else if (isfile(cmd_all))
 274                                 {
 275                                 parse_command_line_process_file(cmd_all, &command_line->path, &command_line->file,
 276                                                                 &list, &command_line->collection_list, &first_dir);
 277                                 }
 278                         else if (download_web_file(cmd_line, FALSE, NULL))
 279                                 {
 280                                 }
 281                         else if (is_collection(cmd_line))
 282                                 {
 283                                 gchar *path = NULL;
 284
 285                                 path = collection_path(cmd_line);
 286                                 parse_command_line_process_file(path, &command_line->path, &command_line->file,
 287                                                                 &list, &command_line->collection_list, &first_dir);
 288                                 g_free(path);
 289                                 }
 290                         else if (strncmp(cmd_line, "--debug", 7) == 0 && (cmd_line[7] == '\0' || cmd_line[7] == '='))
 291                                 {
 292                                 /* do nothing but do not produce warnings */
 293                                 }
 294                         else if (strncmp(cmd_line, "--disable-clutter", 17) == 0 && (cmd_line[17] == '\0'))
 295                                 {
 296                                 /* do nothing but do not produce warnings */
 297                                 }
 298                         else if (strcmp(cmd_line, "+t") == 0 ||
 299                                  strcmp(cmd_line, "--with-tools") == 0)
 300                                 {
 301                                 command_line->tools_show = TRUE;
 302
 303                                 remote_list = g_list_append(remote_list, "+t");
 304                                 }
 305                         else if (strcmp(cmd_line, "-t") == 0 ||
 306                                  strcmp(cmd_line, "--without-tools") == 0)
 307                                 {
 308                                 command_line->tools_hide = TRUE;
 309
 310                                 remote_list = g_list_append(remote_list, "-t");
 311                                 }
 312                         else if (strcmp(cmd_line, "-f") == 0 ||
 313                                  strcmp(cmd_line, "--fullscreen") == 0)
 314                                 {
 315                                 command_line->startup_full_screen = TRUE;
 316                                 }
 317                         else if (strcmp(cmd_line, "-s") == 0 ||
 318                                  strcmp(cmd_line, "--slideshow") == 0)
 319                                 {
 320                                 command_line->startup_in_slideshow = TRUE;
 321                                 }
 322                         else if (strcmp(cmd_line, "-l") == 0 ||
 323                                  strcmp(cmd_line, "--list") == 0)
 324                                 {
 325                                 command_line->startup_command_line_collection = TRUE;
 326                                 }
 327                         else if (strncmp(cmd_line, "--geometry=", 11) == 0)
 328                                 {
 329                                 if (!command_line->geometry) command_line->geometry = g_strdup(cmd_line + 11);
 330                                 }
 331                         else if (strcmp(cmd_line, "-r") == 0 ||
 332                                  strcmp(cmd_line, "--remote") == 0)
 333                                 {
 334                                 if (!remote_do)
 335                                         {
 336                                         remote_do = TRUE;
 337                                         remote_list = remote_build_list(remote_list, argc - i, &argv[i], &remote_errors);
 338                                         }
 339                                 }
 340                         else if ((strcmp(cmd_line, "+w") == 0) ||
 341                                                 strcmp(cmd_line, "--show-log-window") == 0)
 342                                 {
 343                                 command_line->log_window_show = TRUE;
 344                                 }
 345                         else if (strncmp(cmd_line, "-o:", 3) == 0)
 346                                 {
 347                                 command_line->log_file = g_strdup(cmd_line + 3);
 348                                 }
 349                         else if (strncmp(cmd_line, "--log-file:", 11) == 0)
 350                                 {
 351                                 command_line->log_file = g_strdup(cmd_line + 11);
 352                                 }
 353                         else if (strncmp(cmd_line, "-g:", 3) == 0)
 354                                 {
 355                                 set_regexp(g_strdup(cmd_line+3));
 356                                 }
 357                         else if (strncmp(cmd_line, "-grep:", 6) == 0)
 358                                 {
 359                                 set_regexp(g_strdup(cmd_line+3));
 360                                 }
 361                         else if (strncmp(cmd_line, "-n", 2) == 0)
 362                                 {
 363                                 command_line->new_instance = TRUE;
 364                                 }
 365                         else if (strncmp(cmd_line, "--new-instance", 14) == 0)
 366                                 {
 367                                 command_line->new_instance = TRUE;
 368                                 }
 369                         else if (strcmp(cmd_line, "-rh") == 0 ||
 370                                  strcmp(cmd_line, "--remote-help") == 0)
 371                                 {
 372                                 remote_help();
 373                                 exit(0);
 374                                 }
 375                         else if (strcmp(cmd_line, "--blank") == 0)
 376                                 {
 377                                 command_line->startup_blank = TRUE;
 378                                 }
 379                         else if (strcmp(cmd_line, "-v") == 0 ||
 380                                  strcmp(cmd_line, "--version") == 0)
 381                                 {
 382                                 printf_term(FALSE, "%s %s GTK%d\n", GQ_APPNAME, VERSION, gtk_major_version);
 383                                 exit(0);
 384                                 }
 385                         else if (strcmp(cmd_line, "--alternate") == 0)
 386                                 {
 387                                 /* enable faster experimental algorithm */
 388                                 log_printf("Alternate similarity algorithm enabled\n");
 389                                 image_sim_alternate_set(TRUE);
 390                                 }
 391                         else if (strcmp(cmd_line, "-h") == 0 ||
 392                                  strcmp(cmd_line, "--help") == 0)
 393                                 {
 394                                 printf_term(FALSE, "%s %s\n", GQ_APPNAME, VERSION);
 395                                 printf_term(FALSE, _("Usage: %s [options] [path]\n\n"), GQ_APPNAME_LC);
 396                                 print_term(FALSE, _("valid options are:\n"));
 397                                 print_term(FALSE, _("  +t, --with-tools                 force show of tools\n"));
 398                                 print_term(FALSE, _("  -t, --without-tools              force hide of tools\n"));
 399                                 print_term(FALSE, _("  -f, --fullscreen                 start in full screen mode\n"));
 400                                 print_term(FALSE, _("  -s, --slideshow                  start in slideshow mode\n"));
 401                                 print_term(FALSE, _("  -l, --list [files] [collections] open collection window for command line\n"));
 402                                 print_term(FALSE, _("      --blank                      start with blank file list\n"));
 403                                 print_term(FALSE, _("      --geometry=XxY+XOFF+YOFF     set main window location\n"));
 404                                 print_term(FALSE, _("  -n, --new-instance               open a new instance of Geeqie\n"));
 405                                 print_term(FALSE, _("  -r, --remote                     send following commands to open window\n"));
 406                                 print_term(FALSE, _("  -rh,--remote-help                print remote command list\n"));
 407 #ifdef DEBUG
 408                                 print_term(FALSE, _("      --debug[=level]              turn on debug output\n"));
 409                                 print_term(FALSE, _("  -g:<regexp>, --grep:<regexp>     filter debug output\n"));
 410 #endif
 411                                 print_term(FALSE, _("  +w, --show-log-window            show log window\n"));
 412                                 print_term(FALSE, _("  -o:<file>, --log-file:<file>     save log data to file\n"));
 413                                 print_term(FALSE, _("  -v, --version                    print version info\n"));
 414                                 print_term(FALSE, _("  -h, --help                       show this message\n"));
 415                                 print_term(FALSE, _("      --disable-clutter            disable use of Clutter library (i.e. GPU accel.)\n\n"));
 416
 417 #if 0
 418                                 /* these options are not officially supported!
 419                                  * only for testing new features, no need to translate them */
 420                                 print_term(FALSE, "  --alternate                use alternate similarity algorithm\n");
 421 #endif
 422
 423
 424                                 exit(0);
 425                                 }
 426                         else if (!remote_do)
 427                                 {
 428                                 command_line_errors = g_string_append(command_line_errors, cmd_line);
 429                                 command_line_errors = g_string_append(command_line_errors, "\n");
 430                                 }
 431
 432                         g_free(cmd_all);
 433                         g_free(cmd_line);
 434                         i++;
 435                         }
 436
 437                 if (command_line_errors->len > 0)
 438                         {
 439                         dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 440                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 441                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 442                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 443                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 444                         gtk_widget_destroy(dialog_warning);
 445                         g_string_free(command_line_errors, TRUE);
 446
 447                         exit(EXIT_FAILURE);
 448                         }
 449
 450                 g_free(base_dir);
 451                 parse_out_relatives(command_line->path);
 452                 parse_out_relatives(command_line->file);
 453                 }
 454
 455         list = g_list_reverse(list);
 456
 457         if (!command_line->path && first_dir)
 458                 {
 459                 command_line->path = first_dir;
 460                 first_dir = NULL;
 461
 462                 parse_out_relatives(command_line->path);
 463                 }
 464         g_free(first_dir);
 465
 466         if (!command_line->new_instance)
 467                 {
 468                 /* If Geeqie is already running, prevent a second instance
 469                  * from being started. Open a new window instead.
 470                  */
 471                 app_lock = g_build_filename(get_rc_dir(), ".command", NULL);
 472                 if (remote_server_exists(app_lock) && !remote_do)
 473                         {
 474                         remote_do = TRUE;
 475                         if (command_line->geometry)
 476                                 {
 477                                 geometry = g_strdup_printf("--geometry=%s", command_line->geometry);
 478                                 remote_list = g_list_prepend(remote_list, geometry);
 479                                 }
 480                         remote_list = g_list_prepend(remote_list, "--new-window");
 481                         }
 482                 g_free(app_lock);
 483                 }
 484
 485         if (remote_do)
 486                 {
 487                 if (remote_errors)
 488                         {
 489                         GList *work = remote_errors;
 490
 491                         while (work)
 492                                 {
 493                                 gchar *opt = work->data;
 494
 495                                 command_line_errors = g_string_append(command_line_errors, opt);
 496                                 command_line_errors = g_string_append(command_line_errors, "\n");
 497                                 work = work->next;
 498                                 }
 499
 500                         dialog_warning = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "%s", "Invalid parameter(s):");
 501                         gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog_warning), "%s", command_line_errors->str);
 502                         gtk_window_set_title(GTK_WINDOW(dialog_warning), GQ_APPNAME);
 503                         gtk_window_set_keep_above(GTK_WINDOW(dialog_warning), TRUE);
 504                         gtk_dialog_run(GTK_DIALOG(dialog_warning));
 505                         gtk_widget_destroy(dialog_warning);
 506                         g_string_free(command_line_errors, TRUE);
 507
 508                         exit(EXIT_FAILURE);
 509                         }
 510
 511                 /* prepend the current dir the remote command was made from,
 512                  * for use by any remote command that needs it
 513                  */
 514                 current_dir = g_get_current_dir();
 515                 pwd = g_strconcat("--PWD:", current_dir, NULL);
 516                 remote_list = g_list_prepend(remote_list, pwd);
 517
 518                 remote_control(argv[0], remote_list, command_line->path, list, command_line->collection_list);
 519                 /* There is no return to this point
 520                  */
 521                 g_free(pwd);
 522                 g_free(current_dir);
 523                 }
 524         g_free(geometry);
 525         g_list_free(remote_list);
 526
 527         if (list && list->next)
 528                 {
 529                 command_line->cmd_list = list;
 530                 }
 531         else
 532                 {
 533                 string_list_free(list);
 534                 command_line->cmd_list = NULL;
 535                 }
 536
 537         if (command_line->startup_blank)
 538                 {
 539                 g_free(command_line->path);
 540                 command_line->path = NULL;
 541                 g_free(command_line->file);
 542                 command_line->file = NULL;
 543                 filelist_free(command_line->cmd_list);
 544                 command_line->cmd_list = NULL;
 545                 string_list_free(command_line->collection_list);
 546                 command_line->collection_list = NULL;
 547                 }
 548 }
 549
 550 static void parse_command_line_for_debug_option(gint argc, gchar *argv[])
 551 {
 552 #ifdef DEBUG
 553         const gchar *debug_option = "--debug";
 554         gint len = strlen(debug_option);
 555
 556         if (argc > 1)
 557                 {
 558                 gint i;
 559
 560                 for (i = 1; i < argc; i++)
 561                         {
 562                         const gchar *cmd_line = argv[i];
 563                         if (strncmp(cmd_line, debug_option, len) == 0)
 564                                 {
 565                                 gint cmd_line_len = strlen(cmd_line);
 566
 567                                 /* we now increment the debug state for verbosity */
 568                                 if (cmd_line_len == len)
 569                                         debug_level_add(1);
 570                                 else if (cmd_line[len] == '=' && g_ascii_isdigit(cmd_line[len+1]))
 571                                         {
 572                                         gint n = atoi(cmd_line + len + 1);
 573                                         if (n < 0) n = 1;
 574                                         debug_level_add(n);
 575                                         }
 576                                 }
 577                         }
 578                 }
 579
 580         DEBUG_1("debugging output enabled (level %d)", get_debug_level());
 581 #endif
 582 }
 583
 584 #ifdef HAVE_CLUTTER
 585 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 586 {
 587         const gchar *clutter_option = "--disable-clutter";
 588         gint len = strlen(clutter_option);
 589         gboolean ret = FALSE;
 590
 591         if (argc > 1)
 592                 {
 593                 gint i;
 594
 595                 for (i = 1; i < argc; i++)
 596                         {
 597                         const gchar *cmd_line = argv[i];
 598                         if (strncmp(cmd_line, clutter_option, len) == 0)
 599                                 {
 600                                 ret = TRUE;
 601                                 }
 602                         }
 603                 }
 604
 605         return ret;
 606 }
 607 #endif
 608
 609 /*
 610  *-----------------------------------------------------------------------------
 611  * startup, init, and exit
 612  *-----------------------------------------------------------------------------
 613  */
 614
 615 #define RC_HISTORY_NAME "history"
 616 #define RC_MARKS_NAME "marks"
 617
 618 static void setup_env_path(void)
 619 {
 620         const gchar *old_path = g_getenv("PATH");
 621         gchar *path = g_strconcat(gq_bin_dir, ":", old_path, NULL);
 622         g_setenv("PATH", path, TRUE);
 623         g_free(path);
 624 }
 625
 626 static void keys_load(void)
 627 {
 628         gchar *path;
 629
 630         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 631         history_list_load(path);
 632         g_free(path);
 633 }
 634
 635 static void keys_save(void)
 636 {
 637         gchar *path;
 638
 639         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
 640         history_list_save(path);
 641         g_free(path);
 642 }
 643
 644 static void marks_load(void)
 645 {
 646         gchar *path;
 647
 648         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 649         marks_list_load(path);
 650         g_free(path);
 651 }
 652
 653 static void marks_save(gboolean save)
 654 {
 655         gchar *path;
 656
 657         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
 658         marks_list_save(path, save);
 659         g_free(path);
 660 }
 661
 662 static void mkdir_if_not_exists(const gchar *path)
 663 {
 664         if (isdir(path)) return;
 665
 666         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
 667
 668         if (!recursive_mkdir_if_not_exists(path, 0755))
 669                 {
 670                 log_printf(_("Could not create dir:%s\n"), path);
 671                 }
 672 }
 673
 674
 675 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
 676  * to improve the reliability in special cases (especially when disk is full)
 677  * These functions are now using secure saving stuff.
 678  */
 679 static void gq_accel_map_print(
 680                     gpointer    data,
 681                     const gchar *accel_path,
 682                     guint       accel_key,
 683                     GdkModifierType accel_mods,
 684                     gboolean    changed)
 685 {
 686         GString *gstring = g_string_new(changed ? NULL : "; ");
 687         SecureSaveInfo *ssi = data;
 688         gchar *tmp, *name;
 689
 690         g_string_append(gstring, "(gtk_accel_path \"");
 691
 692         tmp = g_strescape(accel_path, NULL);
 693         g_string_append(gstring, tmp);
 694         g_free(tmp);
 695
 696         g_string_append(gstring, "\" \"");
 697
 698         name = gtk_accelerator_name(accel_key, accel_mods);
 699         tmp = g_strescape(name, NULL);
 700         g_free(name);
 701         g_string_append(gstring, tmp);
 702         g_free(tmp);
 703
 704         g_string_append(gstring, "\")\n");
 705
 706         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 707
 708         g_string_free(gstring, TRUE);
 709 }
 710
 711 static gboolean gq_accel_map_save(const gchar *path)
 712 {
 713         gchar *pathl;
 714         SecureSaveInfo *ssi;
 715         GString *gstring;
 716
 717         pathl = path_from_utf8(path);
 718         ssi = secure_open(pathl);
 719         g_free(pathl);
 720         if (!ssi)
 721                 {
 722                 log_printf(_("error saving file: %s\n"), path);
 723                 return FALSE;
 724                 }
 725
 726         gstring = g_string_new("; ");
 727         if (g_get_prgname())
 728                 g_string_append(gstring, g_get_prgname());
 729         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
 730         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
 731         g_string_append(gstring, ";\n");
 732
 733         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
 734
 735         g_string_free(gstring, TRUE);
 736
 737         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
 738
 739         if (secure_close(ssi))
 740                 {
 741                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
 742                            secsave_strerror(secsave_errno));
 743                 return FALSE;
 744                 }
 745
 746         return TRUE;
 747 }
 748
 749 static gchar *accep_map_filename(void)
 750 {
 751         return g_build_filename(get_rc_dir(), "accels", NULL);
 752 }
 753
 754 static void accel_map_save(void)
 755 {
 756         gchar *path;
 757
 758         path = accep_map_filename();
 759         gq_accel_map_save(path);
 760         g_free(path);
 761 }
 762
 763 static void accel_map_load(void)
 764 {
 765         gchar *path;
 766         gchar *pathl;
 767
 768         path = accep_map_filename();
 769         pathl = path_from_utf8(path);
 770         gtk_accel_map_load(pathl);
 771         g_free(pathl);
 772         g_free(path);
 773 }
 774
 775 static void gtkrc_load(void)
 776 {
 777         gchar *path;
 778         gchar *pathl;
 779
 780         /* If a gtkrc file exists in the rc directory, add it to the
 781          * list of files to be parsed at the end of gtk_init() */
 782         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
 783         pathl = path_from_utf8(path);
 784         if (access(pathl, R_OK) == 0)
 785                 gtk_rc_add_default_file(pathl);
 786         g_free(pathl);
 787         g_free(path);
 788 }
 789
 790 static void exit_program_final(void)
 791 {
 792         LayoutWindow *lw = NULL;
 793         GList *list;
 794         LayoutWindow *tmp_lw;
 795
 796          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
 797         layout_editors_reload_finish();
 798
 799         remote_close(remote_connection);
 800
 801         collect_manager_flush();
 802
 803         /* Save the named windows */
 804         if (layout_window_list && layout_window_list->next)
 805                 {
 806                 list = layout_window_list;
 807                 while (list)
 808                         {
 809                         tmp_lw = list->data;
 810                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
 811                                 {
 812                                 save_layout(list->data);
 813                                 }
 814                         list = list->next;
 815                         }
 816                 }
 817
 818         save_options(options);
 819         keys_save();
 820         accel_map_save();
 821
 822         if (layout_valid(&lw))
 823                 {
 824                 layout_free(lw);
 825                 }
 826
 827         secure_close(command_line->ssi);
 828
 829         gtk_main_quit();
 830 }
 831
 832 static GenericDialog *exit_dialog = NULL;
 833
 834 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
 835 {
 836         exit_dialog = NULL;
 837         generic_dialog_close(gd);
 838 }
 839
 840 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
 841 {
 842         exit_dialog = NULL;
 843         generic_dialog_close(gd);
 844         exit_program_final();
 845 }
 846
 847 static gint exit_confirm_dlg(void)
 848 {
 849         GtkWidget *parent;
 850         LayoutWindow *lw;
 851         gchar *msg;
 852
 853         if (exit_dialog)
 854                 {
 855                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
 856                 return TRUE;
 857                 }
 858
 859         if (!collection_window_modified_exists()) return FALSE;
 860
 861         parent = NULL;
 862         lw = NULL;
 863         if (layout_valid(&lw))
 864                 {
 865                 parent = lw->window;
 866                 }
 867
 868         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
 869         exit_dialog = generic_dialog_new(msg,
 870                                 "exit", parent, FALSE,
 871                                 exit_confirm_cancel_cb, NULL);
 872         g_free(msg);
 873         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
 874         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
 875                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
 876         g_free(msg);
 877         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
 878
 879         gtk_widget_show(exit_dialog->dialog);
 880
 881         return TRUE;
 882 }
 883
 884 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
 885 {
 886         if (success) exit_program();
 887 }
 888
 889 void exit_program(void)
 890 {
 891         layout_image_full_screen_stop(NULL);
 892
 893         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
 894
 895         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
 896
 897         if (exit_confirm_dlg()) return;
 898
 899         exit_program_final();
 900 }
 901
 902 /* This code is supposed to handle situation when a file mmaped by image_loader
 903  * or by exif loader is truncated by some other process.
 904  * This is probably not completely correct according to posix, because
 905  * mmap is not in the list of calls that can be used safely in signal handler,
 906  * but anyway, the handler is called in situation when the application would
 907  * crash otherwise.
 908  * Ideas for improvement are welcome ;)
 909  */
 910 /** @FIXME this probably needs some better ifdefs. Please report any compilation problems */
 911
 912 #if defined(SIGBUS) && defined(SA_SIGINFO)
 913 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
 914 {
 915         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
 916         DEBUG_1("SIGBUS %p", info->si_addr);
 917         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 918 }
 919 #endif
 920
 921 static void setup_sigbus_handler(void)
 922 {
 923 #if defined(SIGBUS) && defined(SA_SIGINFO)
 924         struct sigaction sigbus_action;
 925         sigfillset(&sigbus_action.sa_mask);
 926         sigbus_action.sa_sigaction = sigbus_handler_cb;
 927         sigbus_action.sa_flags = SA_SIGINFO;
 928
 929         sigaction(SIGBUS, &sigbus_action, NULL);
 930 #endif
 931 }
 932
 933 /**
 934  * @brief Set up the application paths
 935  *
 936  * This function is required for use of AppImages. AppImages are
 937  * relocatable, and therefore cannot use fixed paths to various components.
 938  * These paths were originally #defines created during compilation.
 939  * They are now variables, all defined relative to one level above the
 940  * directory that the executable is run from.
 941  */
 942 static void create_application_paths()
 943 {
 944         gchar buf[1024];
 945         gchar *dirname;
 946         gchar *basename;
 947         gchar *tmp;
 948
 949         memset(buf, 0, sizeof(buf));
 950         if (readlink("/proc/self/exe", buf, sizeof(buf) - 1) < 0)
 951                 {
 952                 /* There was an error. Perhaps the path does not exist
 953                  * or the buffer is not big enough. */
 954                 log_printf("Can't get path from /proc/self/exe");
 955                 exit(1);
 956                 }
 957
 958         dirname = g_path_get_dirname(buf); // default is /usr/bin/
 959         gq_prefix = g_path_get_dirname(dirname);
 960
 961         gq_localedir = g_build_filename(gq_prefix, "share", "locale", NULL);
 962         tmp = g_build_filename(gq_prefix, "share", "doc", NULL);
 963         gq_helpdir = g_strconcat(tmp, G_DIR_SEPARATOR_S, "geeqie-", VERSION, NULL);
 964         gq_htmldir = g_build_filename(gq_helpdir, "html", NULL);
 965         gq_app_dir = g_build_filename(gq_prefix, "share", "geeqie", NULL);
 966         gq_bin_dir = g_build_filename(gq_prefix, "lib", "geeqie", NULL);
 967         desktop_file_template = g_build_filename(gq_app_dir, "template.desktop", NULL);
 968
 969         g_free(tmp);
 970         g_free(dirname);
 971 }
 972
 973 gint main(gint argc, gchar *argv[])
 974 {
 975         CollectionData *first_collection = NULL;
 976         gchar *buf;
 977         CollectionData *cd = NULL;
 978         gboolean disable_clutter = FALSE;
 979         gboolean single_dir = TRUE;
 980         LayoutWindow *lw;
 981
 982 #ifdef HAVE_GTHREAD
 983 #if !GLIB_CHECK_VERSION(2,32,0)
 984         g_thread_init(NULL);
 985 #endif
 986         gdk_threads_init();
 987         gdk_threads_enter();
 988
 989 #endif
 990
 991         /* init execution time counter (debug only) */
 992         init_exec_time();
 993
 994         create_application_paths();
 995
 996         /* setup locale, i18n */
 997         setlocale(LC_ALL, "");
 998
 999 #ifdef ENABLE_NLS
1000         bindtextdomain(PACKAGE, gq_localedir);
1001         bind_textdomain_codeset(PACKAGE, "UTF-8");
1002         textdomain(PACKAGE);
1003 #endif
1004
1005         exif_init();
1006
1007 #ifdef HAVE_LUA
1008         lua_init();
1009 #endif
1010
1011         /* setup random seed for random slideshow */
1012         srand(time(NULL));
1013
1014         setup_sigbus_handler();
1015
1016         /* register global notify functions */
1017         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1018         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1019         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
1020         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
1021         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
1022
1023
1024         gtkrc_load();
1025
1026         parse_command_line_for_debug_option(argc, argv);
1027         DEBUG_1("%s main: gtk_init", get_exec_time());
1028 #ifdef HAVE_CLUTTER
1029         if (parse_command_line_for_clutter_option(argc, argv))
1030                 {
1031                 disable_clutter = TRUE;
1032                 gtk_init(&argc, &argv);
1033                 }
1034         else
1035                 {
1036                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
1037                         {
1038                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
1039                         runcmd("zenity --error --title=\"Geeqie\" --text \"Can't initialize clutter-gtk.\n\nStart Geeqie with the option:\n geeqie --disable-clutter\" --width=300");
1040                         exit(1);
1041                         }
1042                 }
1043 #else
1044         gtk_init(&argc, &argv);
1045 #endif
1046
1047         if (gtk_major_version < GTK_MAJOR_VERSION ||
1048             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
1049                 {
1050                 log_printf("!!! This is a friendly warning.\n");
1051                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
1052                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
1053                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
1054                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
1055                 }
1056
1057         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
1058         pixbuf_inline_register_stock_icons();
1059
1060         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
1061         options = init_options(NULL);
1062         setup_default_options(options);
1063         if (disable_clutter)
1064                 {
1065                 options->disable_gpu = TRUE;
1066                 }
1067
1068         DEBUG_1("%s main: parse_command_line", get_exec_time());
1069         parse_command_line(argc, argv);
1070
1071         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
1072         /* these functions don't depend on config file */
1073         mkdir_if_not_exists(get_rc_dir());
1074         mkdir_if_not_exists(get_collections_dir());
1075         mkdir_if_not_exists(get_thumbnails_cache_dir());
1076         mkdir_if_not_exists(get_metadata_cache_dir());
1077         mkdir_if_not_exists(get_window_layouts_dir());
1078
1079         setup_env_path();
1080
1081         keys_load();
1082         accel_map_load();
1083
1084         /* restore session from the config file */
1085
1086
1087         DEBUG_1("%s main: load_options", get_exec_time());
1088         if (!load_options(options))
1089                 {
1090                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1091                 filter_add_defaults();
1092                 filter_rebuild();
1093                 }
1094
1095 #ifdef HAVE_CLUTTER
1096 /** @FIXME For the background of this see:
1097  * https://github.com/BestImageViewer/geeqie/issues/397
1098  * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1099  * system is liable to exhibit this problem.
1100  * The user is provided with an override in Preferences/Behavior
1101  */
1102         if (!options->override_disable_gpu && !options->disable_gpu)
1103                 {
1104                 DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1105                 if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1106                         {
1107                         options->disable_gpu = TRUE;
1108                         }
1109                 }
1110 #endif
1111
1112         /* handle missing config file and commandline additions*/
1113         if (!layout_window_list)
1114                 {
1115                 /* broken or no config file */
1116                 layout_new_from_config(NULL, NULL, TRUE);
1117                 }
1118
1119         layout_editors_reload_start();
1120
1121         /* If no --list option, open a separate collection window for each
1122          * .gqv file on the command line
1123          */
1124         if (command_line->collection_list && !command_line->startup_command_line_collection)
1125                 {
1126                 GList *work;
1127
1128                 work = command_line->collection_list;
1129                 while (work)
1130                         {
1131                         CollectWindow *cw;
1132                         const gchar *path;
1133
1134                         path = work->data;
1135                         work = work->next;
1136
1137                         cw = collection_window_new(path);
1138                         if (!first_collection && cw) first_collection = cw->cd;
1139                         }
1140                 }
1141
1142         if (command_line->log_file)
1143                 {
1144                 gchar *pathl;
1145                 gchar *path = g_strdup(command_line->log_file);
1146
1147                 pathl = path_from_utf8(path);
1148                 command_line->ssi = secure_open(pathl);
1149                 }
1150
1151         /* If there is a files list on the command line and no --list option,
1152          * check if they are all in the same folder
1153          */
1154         if (command_line->cmd_list && !(command_line->startup_command_line_collection))
1155                 {
1156                 GList *work;
1157                 gchar *path = NULL;
1158
1159                 work = command_line->cmd_list;
1160
1161                 while (work && single_dir)
1162                         {
1163                         gchar *dirname;
1164
1165                         dirname = g_path_get_dirname(work->data);
1166                         if (!path)
1167                                 {
1168                                 path = g_strdup(dirname);
1169                                 }
1170                         else
1171                                 {
1172                                 if (g_strcmp0(path, dirname) != 0)
1173                                         {
1174                                         single_dir = FALSE;
1175                                         }
1176                                 }
1177                         g_free(dirname);
1178                         work = work->next;
1179                         }
1180                 g_free(path);
1181                 }
1182
1183         /* Files from multiple folders, or --list option given
1184          * then open an unnamed collection and insert all files
1185          */
1186         if ((command_line->cmd_list && !single_dir) || (command_line->startup_command_line_collection && command_line->cmd_list))
1187                 {
1188                 GList *work;
1189                 CollectWindow *cw;
1190
1191                 cw = collection_window_new(NULL);
1192                 cd = cw->cd;
1193
1194                 collection_path_changed(cd);
1195
1196                 work = command_line->cmd_list;
1197                 while (work)
1198                         {
1199                         FileData *fd;
1200
1201                         fd = file_data_new_simple(work->data);
1202                         collection_add(cd, fd, FALSE);
1203                         file_data_unref(fd);
1204                         work = work->next;
1205                         }
1206
1207                 work = command_line->collection_list;
1208                 while (work)
1209                         {
1210                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
1211                         work = work->next;
1212                         }
1213
1214                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
1215
1216                 /* mem leak, we never unref this collection when !startup_command_line_collection
1217                  * (the image view of the main window does not hold a ref to the collection)
1218                  * this is sort of unavoidable, for if it did hold a ref, next/back
1219                  * may not work as expected when closing collection windows.
1220                  *
1221                  * collection_unref(cd);
1222                  */
1223
1224                 }
1225         else if (first_collection)
1226                 {
1227                 layout_image_set_collection(NULL, first_collection,
1228                                             collection_get_first(first_collection));
1229                 }
1230
1231         /* If the files on the command line are from one folder, select those files
1232          * unless it is a command line collection - then leave focus on collection window
1233          */
1234         lw = NULL;
1235         layout_valid(&lw);
1236
1237         if (single_dir && command_line->cmd_list && !command_line->startup_command_line_collection)
1238                 {
1239                 GList *work;
1240                 GList *selected;
1241                 FileData *fd;
1242
1243                 selected = NULL;
1244                 work = command_line->cmd_list;
1245                 while (work)
1246                         {
1247                         fd = file_data_new_simple((gchar *)work->data);
1248                         selected = g_list_append(selected, fd);
1249                         file_data_unref(fd);
1250                         work = work->next;
1251                         }
1252                 layout_select_list(lw, selected);
1253                 }
1254
1255         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1256         remote_connection = remote_server_init(buf, cd);
1257         g_free(buf);
1258
1259         marks_load();
1260
1261         DEBUG_1("%s main: gtk_main", get_exec_time());
1262         gtk_main();
1263 #ifdef HAVE_GTHREAD
1264         gdk_threads_leave();
1265 #endif
1266         return 0;
1267 }
1268 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */