Fix #829: segfault with clutter-gtk
[geeqie.git] / 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_no_grouping(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 #ifdef HAVE_CLUTTER
549 static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
550 {
551         const gchar *clutter_option = "--disable-clutter";
552         gint len = strlen(clutter_option);
553         gboolean ret = FALSE;
554
555         if (argc > 1)
556                 {
557                 gint i;
558
559                 for (i = 1; i < argc; i++)
560                         {
561                         const gchar *cmd_line = argv[i];
562                         if (strncmp(cmd_line, clutter_option, len) == 0)
563                                 {
564                                 ret = TRUE;
565                                 }
566                         }
567                 }
568
569         return ret;
570 }
571 #endif
572
573 /*
574  *-----------------------------------------------------------------------------
575  * startup, init, and exit
576  *-----------------------------------------------------------------------------
577  */
578
579 #define RC_HISTORY_NAME "history"
580 #define RC_MARKS_NAME "marks"
581
582 static void setup_env_path(void)
583 {
584         const gchar *old_path = g_getenv("PATH");
585         gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
586         g_setenv("PATH", path, TRUE);
587         g_free(path);
588 }
589
590 static void keys_load(void)
591 {
592         gchar *path;
593
594         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
595         history_list_load(path);
596         g_free(path);
597 }
598
599 static void keys_save(void)
600 {
601         gchar *path;
602
603         path = g_build_filename(get_rc_dir(), RC_HISTORY_NAME, NULL);
604         history_list_save(path);
605         g_free(path);
606 }
607
608 static void marks_load(void)
609 {
610         gchar *path;
611
612         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
613         marks_list_load(path);
614         g_free(path);
615 }
616
617 static void marks_save(gboolean save)
618 {
619         gchar *path;
620
621         path = g_build_filename(get_rc_dir(), RC_MARKS_NAME, NULL);
622         marks_list_save(path, save);
623         g_free(path);
624 }
625
626 static void mkdir_if_not_exists(const gchar *path)
627 {
628         if (isdir(path)) return;
629
630         log_printf(_("Creating %s dir:%s\n"), GQ_APPNAME, path);
631
632         if (!recursive_mkdir_if_not_exists(path, 0755))
633                 {
634                 log_printf(_("Could not create dir:%s\n"), path);
635                 }
636 }
637
638
639 /* We add to duplicate and modify  gtk_accel_map_print() and gtk_accel_map_save()
640  * to improve the reliability in special cases (especially when disk is full)
641  * These functions are now using secure saving stuff.
642  */
643 static void gq_accel_map_print(
644                     gpointer    data,
645                     const gchar *accel_path,
646                     guint       accel_key,
647                     GdkModifierType accel_mods,
648                     gboolean    changed)
649 {
650         GString *gstring = g_string_new(changed ? NULL : "; ");
651         SecureSaveInfo *ssi = data;
652         gchar *tmp, *name;
653
654         g_string_append(gstring, "(gtk_accel_path \"");
655
656         tmp = g_strescape(accel_path, NULL);
657         g_string_append(gstring, tmp);
658         g_free(tmp);
659
660         g_string_append(gstring, "\" \"");
661
662         name = gtk_accelerator_name(accel_key, accel_mods);
663         tmp = g_strescape(name, NULL);
664         g_free(name);
665         g_string_append(gstring, tmp);
666         g_free(tmp);
667
668         g_string_append(gstring, "\")\n");
669
670         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
671
672         g_string_free(gstring, TRUE);
673 }
674
675 static gboolean gq_accel_map_save(const gchar *path)
676 {
677         gchar *pathl;
678         SecureSaveInfo *ssi;
679         GString *gstring;
680
681         pathl = path_from_utf8(path);
682         ssi = secure_open(pathl);
683         g_free(pathl);
684         if (!ssi)
685                 {
686                 log_printf(_("error saving file: %s\n"), path);
687                 return FALSE;
688                 }
689
690         gstring = g_string_new("; ");
691         if (g_get_prgname())
692                 g_string_append(gstring, g_get_prgname());
693         g_string_append(gstring, " GtkAccelMap rc-file         -*- scheme -*-\n");
694         g_string_append(gstring, "; this file is an automated accelerator map dump\n");
695         g_string_append(gstring, ";\n");
696
697         secure_fwrite(gstring->str, sizeof(*gstring->str), gstring->len, ssi);
698
699         g_string_free(gstring, TRUE);
700
701         gtk_accel_map_foreach((gpointer) ssi, gq_accel_map_print);
702
703         if (secure_close(ssi))
704                 {
705                 log_printf(_("error saving file: %s\nerror: %s\n"), path,
706                            secsave_strerror(secsave_errno));
707                 return FALSE;
708                 }
709
710         return TRUE;
711 }
712
713 static gchar *accep_map_filename(void)
714 {
715         return g_build_filename(get_rc_dir(), "accels", NULL);
716 }
717
718 static void accel_map_save(void)
719 {
720         gchar *path;
721
722         path = accep_map_filename();
723         gq_accel_map_save(path);
724         g_free(path);
725 }
726
727 static void accel_map_load(void)
728 {
729         gchar *path;
730         gchar *pathl;
731
732         path = accep_map_filename();
733         pathl = path_from_utf8(path);
734         gtk_accel_map_load(pathl);
735         g_free(pathl);
736         g_free(path);
737 }
738
739 static void gtkrc_load(void)
740 {
741         gchar *path;
742         gchar *pathl;
743
744         /* If a gtkrc file exists in the rc directory, add it to the
745          * list of files to be parsed at the end of gtk_init() */
746         path = g_build_filename(get_rc_dir(), "gtkrc", NULL);
747         pathl = path_from_utf8(path);
748         if (access(pathl, R_OK) == 0)
749                 gtk_rc_add_default_file(pathl);
750         g_free(pathl);
751         g_free(path);
752 }
753
754 static void exit_program_final(void)
755 {
756         LayoutWindow *lw = NULL;
757         GList *list;
758         LayoutWindow *tmp_lw;
759
760          /* make sure that external editors are loaded, we would save incomplete configuration otherwise */
761         layout_editors_reload_finish();
762
763         remote_close(remote_connection);
764
765         collect_manager_flush();
766
767         /* Save the named windows */
768         if (layout_window_list && layout_window_list->next)
769                 {
770                 list = layout_window_list;
771                 while (list)
772                         {
773                         tmp_lw = list->data;
774                         if (!g_str_has_prefix(tmp_lw->options.id, "lw"))
775                                 {
776                                 save_layout(list->data);
777                                 }
778                         list = list->next;
779                         }
780                 }
781
782         save_options(options);
783         keys_save();
784         accel_map_save();
785
786         if (layout_valid(&lw))
787                 {
788                 layout_free(lw);
789                 }
790
791         secure_close(command_line->ssi);
792
793         gtk_main_quit();
794 }
795
796 static GenericDialog *exit_dialog = NULL;
797
798 static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
799 {
800         exit_dialog = NULL;
801         generic_dialog_close(gd);
802 }
803
804 static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
805 {
806         exit_dialog = NULL;
807         generic_dialog_close(gd);
808         exit_program_final();
809 }
810
811 static gint exit_confirm_dlg(void)
812 {
813         GtkWidget *parent;
814         LayoutWindow *lw;
815         gchar *msg;
816
817         if (exit_dialog)
818                 {
819                 gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
820                 return TRUE;
821                 }
822
823         if (!collection_window_modified_exists()) return FALSE;
824
825         parent = NULL;
826         lw = NULL;
827         if (layout_valid(&lw))
828                 {
829                 parent = lw->window;
830                 }
831
832         msg = g_strdup_printf("%s - %s", GQ_APPNAME, _("exit"));
833         exit_dialog = generic_dialog_new(msg,
834                                 "exit", parent, FALSE,
835                                 exit_confirm_cancel_cb, NULL);
836         g_free(msg);
837         msg = g_strdup_printf(_("Quit %s"), GQ_APPNAME);
838         generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
839                                    msg, _("Collections have been modified. Quit anyway?"), TRUE);
840         g_free(msg);
841         generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);
842
843         gtk_widget_show(exit_dialog->dialog);
844
845         return TRUE;
846 }
847
848 static void exit_program_write_metadata_cb(gint success, const gchar *dest_path, gpointer data)
849 {
850         if (success) exit_program();
851 }
852
853 void exit_program(void)
854 {
855         layout_image_full_screen_stop(NULL);
856
857         if (metadata_write_queue_confirm(FALSE, exit_program_write_metadata_cb, NULL)) return;
858
859         options->marks_save ? marks_save(TRUE) : marks_save(FALSE);
860
861         if (exit_confirm_dlg()) return;
862
863         exit_program_final();
864 }
865
866 /* This code is supposed to handle situation when a file mmaped by image_loader
867  * or by exif loader is truncated by some other process.
868  * This is probably not completely correct according to posix, because
869  * mmap is not in the list of calls that can be used safely in signal handler,
870  * but anyway, the handler is called in situation when the application would
871  * crash otherwise.
872  * Ideas for improvement are welcome ;)
873  */
874 /* FIXME: this probably needs some better ifdefs. Please report any compilation problems */
875
876 #if defined(SIGBUS) && defined(SA_SIGINFO)
877 static void sigbus_handler_cb(int signum, siginfo_t *info, void *context)
878 {
879         unsigned long pagesize = sysconf(_SC_PAGE_SIZE);
880         DEBUG_1("SIGBUS %p", info->si_addr);
881         mmap((void *)(((unsigned long)info->si_addr / pagesize) * pagesize), pagesize, PROT_READ | PROT_WRITE, MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
882 }
883 #endif
884
885 static void setup_sigbus_handler(void)
886 {
887 #if defined(SIGBUS) && defined(SA_SIGINFO)
888         struct sigaction sigbus_action;
889         sigfillset(&sigbus_action.sa_mask);
890         sigbus_action.sa_sigaction = sigbus_handler_cb;
891         sigbus_action.sa_flags = SA_SIGINFO;
892
893         sigaction(SIGBUS, &sigbus_action, NULL);
894 #endif
895 }
896
897 gint main(gint argc, gchar *argv[])
898 {
899         CollectionData *first_collection = NULL;
900         gchar *buf;
901         CollectionData *cd = NULL;
902         gboolean disable_clutter = FALSE;
903
904 #ifdef HAVE_GTHREAD
905 #if !GLIB_CHECK_VERSION(2,32,0)
906         g_thread_init(NULL);
907 #endif
908         gdk_threads_init();
909         gdk_threads_enter();
910
911 #endif
912
913         /* init execution time counter (debug only) */
914         init_exec_time();
915
916         /* setup locale, i18n */
917         setlocale(LC_ALL, "");
918
919 #ifdef ENABLE_NLS
920         bindtextdomain(PACKAGE, GQ_LOCALEDIR);
921         bind_textdomain_codeset(PACKAGE, "UTF-8");
922         textdomain(PACKAGE);
923 #endif
924
925         exif_init();
926
927 #ifdef HAVE_LUA
928         lua_init();
929 #endif
930
931         /* setup random seed for random slideshow */
932         srand(time(NULL));
933
934         setup_sigbus_handler();
935
936         /* register global notify functions */
937         file_data_register_notify_func(cache_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
938         file_data_register_notify_func(thumb_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
939         file_data_register_notify_func(histogram_notify_cb, NULL, NOTIFY_PRIORITY_HIGH);
940         file_data_register_notify_func(collect_manager_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
941         file_data_register_notify_func(metadata_notify_cb, NULL, NOTIFY_PRIORITY_LOW);
942
943
944         gtkrc_load();
945
946         parse_command_line_for_debug_option(argc, argv);
947         DEBUG_1("%s main: gtk_init", get_exec_time());
948 #ifdef HAVE_CLUTTER
949         if (parse_command_line_for_clutter_option(argc, argv))
950                 {
951                 disable_clutter = TRUE;
952                 gtk_init(&argc, &argv);
953                 }
954         else
955                 {
956                 if (gtk_clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
957                         {
958                         log_printf("Can't initialize clutter-gtk.\nStart Geeqie with the option \"geeqie --disable-clutter\"");
959                         exit(1);
960                         }
961                 }
962 #else
963         gtk_init(&argc, &argv);
964 #endif
965
966         if (gtk_major_version < GTK_MAJOR_VERSION ||
967             (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
968                 {
969                 log_printf("!!! This is a friendly warning.\n");
970                 log_printf("!!! The version of GTK+ in use now is older than when %s was compiled.\n", GQ_APPNAME);
971                 log_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
972                 log_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
973                 log_printf("!!! %s may quit unexpectedly with a relocation error.\n", GQ_APPNAME);
974                 }
975
976         DEBUG_1("%s main: pixbuf_inline_register_stock_icons", get_exec_time());
977         pixbuf_inline_register_stock_icons();
978
979         DEBUG_1("%s main: setting default options before commandline handling", get_exec_time());
980         options = init_options(NULL);
981         setup_default_options(options);
982         if (disable_clutter)
983                 {
984                 options->disable_gpu = TRUE;
985                 }
986
987         DEBUG_1("%s main: parse_command_line", get_exec_time());
988         parse_command_line(argc, argv);
989
990         DEBUG_1("%s main: mkdir_if_not_exists", get_exec_time());
991         /* these functions don't depend on config file */
992         mkdir_if_not_exists(get_rc_dir());
993         mkdir_if_not_exists(get_collections_dir());
994         mkdir_if_not_exists(get_thumbnails_cache_dir());
995         mkdir_if_not_exists(get_metadata_cache_dir());
996         mkdir_if_not_exists(get_window_layouts_dir());
997
998         setup_env_path();
999
1000         keys_load();
1001         accel_map_load();
1002
1003         /* restore session from the config file */
1004
1005
1006         DEBUG_1("%s main: load_options", get_exec_time());
1007         if (!load_options(options))
1008                 {
1009                 /* load_options calls these functions after it parses global options, we have to call it here if it fails */
1010                 filter_add_defaults();
1011                 filter_rebuild();
1012                 }
1013
1014 #ifdef HAVE_CLUTTER
1015 /* FIXME: For the background of this see:
1016  * https://github.com/BestImageViewer/geeqie/issues/397
1017  * The feature CLUTTER_FEATURE_SWAP_EVENTS indictates if the
1018  * system is liable to exhibit this problem.
1019  * The user is provided with an override in Preferences/Behavior
1020  */
1021         if (!options->override_disable_gpu && !options->disable_gpu)
1022                 {
1023                 DEBUG_1("CLUTTER_FEATURE_SWAP_EVENTS %d",clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS));
1024                 if (clutter_feature_available(CLUTTER_FEATURE_SWAP_EVENTS) != 0)
1025                         {
1026                         options->disable_gpu = TRUE;
1027                         }
1028                 }
1029 #endif
1030
1031         /* handle missing config file and commandline additions*/
1032         if (!layout_window_list)
1033                 {
1034                 /* broken or no config file */
1035                 layout_new_from_config(NULL, NULL, TRUE);
1036                 }
1037
1038         layout_editors_reload_start();
1039
1040         if (command_line->collection_list && !command_line->startup_command_line_collection)
1041                 {
1042                 GList *work;
1043
1044                 work = command_line->collection_list;
1045                 while (work)
1046                         {
1047                         CollectWindow *cw;
1048                         const gchar *path;
1049
1050                         path = work->data;
1051                         work = work->next;
1052
1053                         cw = collection_window_new(path);
1054                         if (!first_collection && cw) first_collection = cw->cd;
1055                         }
1056                 }
1057
1058         if (command_line->log_file)
1059                 {
1060                 gchar *pathl;
1061                 gchar *path = g_strdup(command_line->log_file);
1062
1063                 pathl = path_from_utf8(path);
1064                 command_line->ssi = secure_open(pathl);
1065                 }
1066
1067         if (command_line->cmd_list ||
1068             (command_line->startup_command_line_collection && command_line->collection_list))
1069                 {
1070                 GList *work;
1071
1072                 if (command_line->startup_command_line_collection)
1073                         {
1074                         CollectWindow *cw;
1075
1076                         cw = collection_window_new("");
1077                         cd = cw->cd;
1078                         }
1079                 else
1080                         {
1081                         cd = collection_new("");        /* if we pass NULL, untitled counter is falsely increm. */
1082                         }
1083
1084                 g_free(cd->path);
1085                 cd->path = NULL;
1086                 g_free(cd->name);
1087                 cd->name = g_strdup(_("Command line"));
1088
1089                 collection_path_changed(cd);
1090
1091                 work = command_line->cmd_list;
1092                 while (work)
1093                         {
1094                         collection_add(cd, (FileData *)work->data, FALSE);
1095                         work = work->next;
1096                         }
1097
1098                 work = command_line->collection_list;
1099                 while (work)
1100                         {
1101                         collection_load(cd, (gchar *)work->data, COLLECTION_LOAD_APPEND);
1102                         work = work->next;
1103                         }
1104
1105                 if (cd->list) layout_image_set_collection(NULL, cd, cd->list->data);
1106
1107                 /* mem leak, we never unref this collection when !startup_command_line_collection
1108                  * (the image view of the main window does not hold a ref to the collection)
1109                  * this is sort of unavoidable, for if it did hold a ref, next/back
1110                  * may not work as expected when closing collection windows.
1111                  *
1112                  * collection_unref(cd);
1113                  */
1114
1115                 }
1116         else if (first_collection)
1117                 {
1118                 layout_image_set_collection(NULL, first_collection,
1119                                             collection_get_first(first_collection));
1120                 }
1121
1122         buf = g_build_filename(get_rc_dir(), ".command", NULL);
1123         remote_connection = remote_server_init(buf, cd);
1124         g_free(buf);
1125
1126         marks_load();
1127
1128         DEBUG_1("%s main: gtk_main", get_exec_time());
1129         gtk_main();
1130 #ifdef HAVE_GTHREAD
1131         gdk_threads_leave();
1132 #endif
1133         return 0;
1134 }
1135 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */