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