f5fea7db26dcbc8cdcf76518f77c2d4089ee849f
[geeqie.git] / src / collect.cc
1 /*
2  * Copyright (C) 2006 John Ellis
3  * Copyright (C) 2008 - 2016 The Geeqie Team
4  *
5  * Author: John Ellis
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21
22 #include "main.h"
23 #include "collect.h"
24
25 #include "collect-dlg.h"
26 #include "collect-io.h"
27 #include "collect-table.h"
28 #include "filedata.h"
29 #include "img-view.h"
30 #include "layout-image.h"
31 #include "layout-util.h"
32 #include "misc.h"
33 #include "pixbuf-util.h"
34 #include "print.h"
35 #include "ui-fileops.h"
36 #include "ui-tree-edit.h"
37 #include "utilops.h"
38 #include "window.h"
39
40 #define COLLECT_DEF_WIDTH 440
41 #define COLLECT_DEF_HEIGHT 450
42
43 /**
44  *  list of paths to collections */
45
46 /**
47  * @brief  List of currently open Collections.
48  *
49  * Type ::_CollectionData
50  */
51 static GList *collection_list = nullptr;
52
53 /**
54  * @brief  List of currently open Collection windows.
55  *
56  * Type ::_CollectWindow
57  */
58 static GList *collection_window_list = nullptr;
59
60 static void collection_window_get_geometry(CollectWindow *cw);
61 static void collection_window_refresh(CollectWindow *cw);
62 static void collection_window_update_title(CollectWindow *cw);
63 static void collection_window_add(CollectWindow *cw, CollectInfo *ci);
64 static void collection_window_insert(CollectWindow *cw, CollectInfo *ci);
65 static void collection_window_remove(CollectWindow *cw, CollectInfo *ci);
66 static void collection_window_update(CollectWindow *cw, CollectInfo *ci);
67
68 static void collection_window_close(CollectWindow *cw);
69
70 static void collection_notify_cb(FileData *fd, NotifyType type, gpointer data);
71
72 /*
73  *-------------------------------------------------------------------
74  * data, list handling
75  *-------------------------------------------------------------------
76  */
77
78 CollectInfo *collection_info_new(FileData *fd, struct stat *, GdkPixbuf *pixbuf)
79 {
80         CollectInfo *ci;
81
82         if (!fd) return nullptr;
83
84         ci = g_new0(CollectInfo, 1);
85         ci->fd = file_data_ref(fd);
86
87         ci->pixbuf = pixbuf;
88         if (ci->pixbuf) g_object_ref(ci->pixbuf);
89
90         return ci;
91 }
92
93 void collection_info_free_thumb(CollectInfo *ci)
94 {
95         if (ci->pixbuf) g_object_unref(ci->pixbuf);
96         ci->pixbuf = nullptr;
97 }
98
99 void collection_info_free(CollectInfo *ci)
100 {
101         if (!ci) return;
102
103         file_data_unref(ci->fd);
104         collection_info_free_thumb(ci);
105         g_free(ci);
106 }
107
108 void collection_info_set_thumb(CollectInfo *ci, GdkPixbuf *pixbuf)
109 {
110         if (pixbuf) g_object_ref(pixbuf);
111         collection_info_free_thumb(ci);
112         ci->pixbuf = pixbuf;
113 }
114
115 #pragma GCC diagnostic push
116 #pragma GCC diagnostic ignored "-Wunused-function"
117 gboolean collection_info_load_thumb_unused(CollectInfo *ci)
118 {
119         if (!ci) return FALSE;
120
121         collection_info_free_thumb(ci);
122
123         log_printf("collection_info_load_thumb not implemented!\n(because an instant thumb loader not implemented)");
124         return FALSE;
125 }
126 #pragma GCC diagnostic pop
127
128 /* an ugly static var, well what ya gonna do ? */
129 static SortType collection_list_sort_method = SORT_NAME;
130
131 static gint collection_list_sort_cb(gconstpointer a, gconstpointer b)
132 {
133         auto cia = static_cast<const CollectInfo *>(a);
134         auto cib = static_cast<const CollectInfo *>(b);
135
136         switch (collection_list_sort_method)
137                 {
138                 case SORT_NAME:
139                         break;
140                 case SORT_NONE:
141                         return 0;
142                         break;
143                 case SORT_SIZE:
144                         if (cia->fd->size < cib->fd->size) return -1;
145                         if (cia->fd->size > cib->fd->size) return 1;
146                         return 0;
147                         break;
148                 case SORT_TIME:
149                         if (cia->fd->date < cib->fd->date) return -1;
150                         if (cia->fd->date > cib->fd->date) return 1;
151                         return 0;
152                         break;
153                 case SORT_CTIME:
154                         if (cia->fd->cdate < cib->fd->cdate) return -1;
155                         if (cia->fd->cdate > cib->fd->cdate) return 1;
156                         return 0;
157                         break;
158                 case SORT_EXIFTIME:
159                         if (cia->fd->exifdate < cib->fd->exifdate) return -1;
160                         if (cia->fd->exifdate > cib->fd->exifdate) return 1;
161                         break;
162                 case SORT_EXIFTIMEDIGITIZED:
163                         if (cia->fd->exifdate_digitized < cib->fd->exifdate_digitized) return -1;
164                         if (cia->fd->exifdate_digitized > cib->fd->exifdate_digitized) return 1;
165                         break;
166                 case SORT_RATING:
167                         if (cia->fd->rating < cib->fd->rating) return -1;
168                         if (cia->fd->rating > cib->fd->rating) return 1;
169                         break;
170                 case SORT_PATH:
171                         return utf8_compare(cia->fd->path, cib->fd->path, options->file_sort.case_sensitive);
172                         break;
173                 case SORT_CLASS:
174                         if (cia->fd->format_class < cib->fd->format_class) return -1;
175                         if (cia->fd->format_class > cib->fd->format_class) return 1;
176                         break;
177                 default:
178                         break;
179                 }
180
181         if (options->file_sort.case_sensitive)
182                 return strcmp(cia->fd->collate_key_name, cib->fd->collate_key_name);
183         else
184                 return strcmp(cia->fd->collate_key_name_nocase, cib->fd->collate_key_name_nocase);
185 }
186
187 GList *collection_list_sort(GList *list, SortType method)
188 {
189         if (method == SORT_NONE) return list;
190
191         collection_list_sort_method = method;
192
193         return g_list_sort(list, collection_list_sort_cb);
194 }
195
196 GList *collection_list_randomize(GList *list)
197 {
198         guint random, length, i;
199         gpointer tmp;
200         GList *nlist, *olist;
201
202         length = g_list_length(list);
203         if (!length) return nullptr;
204
205         srand(static_cast<unsigned int>(time(nullptr))); // Initialize random generator (hasn't to be that much strong)
206
207         for (i = 0; i < length; i++)
208                 {
209                 random = static_cast<guint>(1.0 * length * rand()/(RAND_MAX + 1.0));
210                 olist = g_list_nth(list, i);
211                 nlist = g_list_nth(list, random);
212                 tmp = olist->data;
213                 olist->data = nlist->data;
214                 nlist->data = tmp;
215                 }
216
217         return list;
218 }
219
220 GList *collection_list_add(GList *list, CollectInfo *ci, SortType method)
221 {
222         if (method != SORT_NONE)
223                 {
224                 collection_list_sort_method = method;
225                 list = g_list_insert_sorted(list, ci, collection_list_sort_cb);
226                 }
227         else
228                 {
229                 list = g_list_append(list, ci);
230                 }
231
232         return list;
233 }
234
235 GList *collection_list_insert(GList *list, CollectInfo *ci, CollectInfo *insert_ci, SortType method)
236 {
237         if (method != SORT_NONE)
238                 {
239                 collection_list_sort_method = method;
240                 list = g_list_insert_sorted(list, ci, collection_list_sort_cb);
241                 }
242         else
243                 {
244                 GList *point;
245
246                 point = g_list_find(list, insert_ci);
247                 list = uig_list_insert_link(list, point, ci);
248                 }
249
250         return list;
251 }
252
253 GList *collection_list_remove(GList *list, CollectInfo *ci)
254 {
255         list = g_list_remove(list, ci);
256         collection_info_free(ci);
257         return list;
258 }
259
260 CollectInfo *collection_list_find_fd(GList *list, FileData *fd)
261 {
262         GList *work = list;
263
264         while (work)
265                 {
266                 auto ci = static_cast<CollectInfo *>(work->data);
267                 if (ci->fd == fd) return ci;
268                 work = work->next;
269                 }
270
271         return nullptr;
272 }
273
274 GList *collection_list_to_filelist(GList *list)
275 {
276         GList *filelist = nullptr;
277         GList *work = list;
278
279         while (work)
280                 {
281                 auto info = static_cast<CollectInfo *>(work->data);
282                 filelist = g_list_prepend(filelist, file_data_ref(info->fd));
283                 work = work->next;
284                 }
285
286         filelist = g_list_reverse(filelist);
287         return filelist;
288 }
289
290 CollectWindow *collection_window_find(CollectionData *cd)
291 {
292         GList *work;
293
294         work = collection_window_list;
295         while (work)
296                 {
297                 auto cw = static_cast<CollectWindow *>(work->data);
298                 if (cw->cd == cd) return cw;
299                 work = work->next;
300                 }
301
302         return nullptr;
303 }
304
305 CollectWindow *collection_window_find_by_path(const gchar *path)
306 {
307         GList *work;
308
309         if (!path) return nullptr;
310
311         work = collection_window_list;
312         while (work)
313                 {
314                 auto cw = static_cast<CollectWindow *>(work->data);
315                 if (cw->cd->path && strcmp(cw->cd->path, path) == 0) return cw;
316                 work = work->next;
317                 }
318
319         return nullptr;
320 }
321
322 /**
323  * @brief Checks string for existence of Collection.
324  * @param[in] param Filename, with or without extension of any collection
325  * @returns full pathname if found or NULL
326  *
327  * Return value must be freed with g_free()
328  */
329 gchar *collection_path(const gchar *param)
330 {
331         gchar *path = nullptr;
332         gchar *full_name = nullptr;
333
334         if (file_extension_match(param, GQ_COLLECTION_EXT))
335                 {
336                 path = g_build_filename(get_collections_dir(), param, NULL);
337                 }
338         else if (file_extension_match(param, nullptr))
339                 {
340                 full_name = g_strconcat(param, GQ_COLLECTION_EXT, NULL);
341                 path = g_build_filename(get_collections_dir(), full_name, NULL);
342                 }
343
344         if (!isfile(path))
345                 {
346                 g_free(path);
347                 path = nullptr;
348                 }
349
350         g_free(full_name);
351         return path;
352 }
353
354 /**
355  * @brief Checks input string for existence of Collection.
356  * @param[in] param Filename with or without extension of any collection
357  * @returns TRUE if found
358  *
359  *
360  */
361 gboolean is_collection(const gchar *param)
362 {
363         gchar *name = nullptr;
364
365         name = collection_path(param);
366         if (name)
367                 {
368                 g_free(name);
369                 return TRUE;
370                 }
371         return FALSE;
372 }
373
374 /**
375  * @brief Creates a text list of the image paths of the contents of a Collection
376  * @param[in] name The name of the collection, with or without extension
377  * @param[inout] contents A GString to which the image paths are appended
378  *
379  *
380  */
381 void collection_contents(const gchar *name, GString **contents)
382 {
383         gchar *path;
384         CollectionData *cd;
385         CollectInfo *ci;
386         GList *work;
387         FileData *fd;
388
389         if (is_collection(name))
390                 {
391                 path = collection_path(name);
392                 cd = collection_new("");
393                 collection_load(cd, path, COLLECTION_LOAD_APPEND);
394                 work = cd->list;
395                 while (work)
396                         {
397                         ci = static_cast<CollectInfo *>(work->data);
398                         fd = ci->fd;
399                         *contents = g_string_append(*contents, g_strdup(fd->path));
400                         *contents = g_string_append(*contents, "\n");
401
402                         work = work->next;
403                         }
404                 g_free(path);
405                 collection_free(cd);
406                 }
407 }
408
409 /**
410  * @brief Returns a list of filedatas of the contents of a Collection
411  * @param[in] name The name of the collection, with or without extension
412  *
413  *
414  */
415 GList *collection_contents_fd(const gchar *name)
416 {
417         gchar *path;
418         CollectionData *cd;
419         CollectInfo *ci;
420         GList *work;
421         GList *list = nullptr;
422
423         if (is_collection(name))
424                 {
425                 path = collection_path(name);
426                 cd = collection_new("");
427                 collection_load(cd, path, COLLECTION_LOAD_APPEND);
428                 work = cd->list;
429                 while (work)
430                         {
431                         ci = static_cast<CollectInfo *>(work->data);
432                         list = g_list_append(list, ci->fd);
433
434                         work = work->next;
435                         }
436                 g_free(path);
437                 collection_free(cd);
438                 }
439
440         return list;
441 }
442
443 /*
444  *-------------------------------------------------------------------
445  * please use these to actually add/remove stuff
446  *-------------------------------------------------------------------
447  */
448
449 CollectionData *collection_new(const gchar *path)
450 {
451         CollectionData *cd;
452         static gint untitled_counter = 0;
453
454         cd = g_new0(CollectionData, 1);
455
456         cd->ref = 1;    /* starts with a ref of 1 */
457         cd->sort_method = SORT_NONE;
458         cd->window_w = COLLECT_DEF_WIDTH;
459         cd->window_h = COLLECT_DEF_HEIGHT;
460         cd->existence = g_hash_table_new(nullptr, nullptr);
461
462         if (path)
463                 {
464                 cd->path = g_strdup(path);
465                 cd->name = g_strdup(filename_from_path(cd->path));
466                 /* load it */
467                 }
468         else
469                 {
470                 if (untitled_counter == 0)
471                         {
472                         cd->name = g_strdup(_("Untitled"));
473                         }
474                 else
475                         {
476                         cd->name = g_strdup_printf(_("Untitled (%d)"), untitled_counter + 1);
477                         }
478
479                 untitled_counter++;
480                 }
481
482         file_data_register_notify_func(collection_notify_cb, cd, NOTIFY_PRIORITY_MEDIUM);
483
484
485         collection_list = g_list_append(collection_list, cd);
486
487         return cd;
488 }
489
490 void collection_free(CollectionData *cd)
491 {
492         if (!cd) return;
493
494         DEBUG_1("collection \"%s\" freed", cd->name);
495
496         collection_load_stop(cd);
497         g_list_free_full(cd->list, reinterpret_cast<GDestroyNotify>(collection_info_free));
498
499         file_data_unregister_notify_func(collection_notify_cb, cd);
500
501         collection_list = g_list_remove(collection_list, cd);
502
503         g_hash_table_destroy(cd->existence);
504
505         g_free(cd->path);
506         g_free(cd->name);
507
508         g_free(cd);
509 }
510
511 void collection_ref(CollectionData *cd)
512 {
513         cd->ref++;
514
515         DEBUG_1("collection \"%s\" ref count = %d", cd->name, cd->ref);
516 }
517
518 void collection_unref(CollectionData *cd)
519 {
520         cd->ref--;
521
522         DEBUG_1("collection \"%s\" ref count = %d", cd->name, cd->ref);
523
524         if (cd->ref < 1)
525                 {
526                 collection_free(cd);
527                 }
528 }
529
530 void collection_path_changed(CollectionData *cd)
531 {
532         collection_window_update_title(collection_window_find(cd));
533 }
534
535 gint collection_to_number(CollectionData *cd)
536 {
537         return g_list_index(collection_list, cd);
538 }
539
540 CollectionData *collection_from_number(gint n)
541 {
542         return static_cast<CollectionData *>(g_list_nth_data(collection_list, n));
543 }
544
545 CollectionData *collection_from_dnd_data(const gchar *data, GList **list, GList **info_list)
546 {
547         CollectionData *cd;
548         gint collection_number;
549         const gchar *ptr;
550
551         if (list) *list = nullptr;
552         if (info_list) *info_list = nullptr;
553
554         if (strncmp(data, "COLLECTION:", 11) != 0) return nullptr;
555
556         ptr = data + 11;
557
558         collection_number = atoi(ptr);
559         cd = collection_from_number(collection_number);
560         if (!cd) return nullptr;
561
562         if (!list && !info_list) return cd;
563
564         while (*ptr != '\0' && *ptr != '\n' ) ptr++;
565         if (*ptr == '\0') return cd;
566         ptr++;
567
568         while (*ptr != '\0')
569                 {
570                 guint item_number;
571                 CollectInfo *info;
572
573                 item_number = static_cast<guint>(atoi(ptr));
574                 while (*ptr != '\n' && *ptr != '\0') ptr++;
575                 if (*ptr == '\0')
576                         break;
577                 else
578                         while (*ptr == '\n') ptr++;
579
580                 info = static_cast<CollectInfo *>(g_list_nth_data(cd->list, item_number));
581                 if (!info) continue;
582
583                 if (list) *list = g_list_append(*list, file_data_ref(info->fd));
584                 if (info_list) *info_list = g_list_append(*info_list, info);
585                 }
586
587         return cd;
588 }
589
590 gchar *collection_info_list_to_dnd_data(CollectionData *cd, GList *list, gint *length)
591 {
592         GList *work;
593         GList *temp = nullptr;
594         gchar *ptr;
595         gchar *text;
596         gchar *uri_text;
597         gint collection_number;
598
599         *length = 0;
600         if (!list) return nullptr;
601
602         collection_number = collection_to_number(cd);
603         if (collection_number < 0) return nullptr;
604
605         text = g_strdup_printf("COLLECTION:%d\n", collection_number);
606         *length += strlen(text);
607         temp = g_list_prepend(temp, text);
608
609         work = list;
610         while (work)
611                 {
612                 gint item_number = g_list_index(cd->list, work->data);
613
614                 work = work->next;
615
616                 if (item_number < 0) continue;
617
618                 text = g_strdup_printf("%d\n", item_number);
619                 temp = g_list_prepend(temp, text);
620                 *length += strlen(text);
621                 }
622
623         *length += 1; /* ending nul char */
624
625         uri_text = static_cast<gchar *>(g_malloc(*length));
626         ptr = uri_text;
627
628         work = g_list_last(temp);
629         while (work)
630                 {
631                 gint len;
632                 auto text = static_cast<gchar *>(work->data);
633
634                 work = work->prev;
635
636                 len = strlen(text);
637                 memcpy(ptr, text, len);
638                 ptr += len;
639                 }
640
641         ptr[0] = '\0';
642
643         g_list_free_full(temp, g_free);
644
645         return uri_text;
646 }
647
648 gint collection_info_valid(CollectionData *cd, CollectInfo *info)
649 {
650         if (collection_to_number(cd) < 0) return FALSE;
651
652         return (g_list_index(cd->list, info) != 0);
653 }
654
655 CollectInfo *collection_next_by_info(CollectionData *cd, CollectInfo *info)
656 {
657         GList *work;
658
659         work = g_list_find(cd->list, info);
660
661         if (!work) return nullptr;
662         work = work->next;
663         if (work) return static_cast<CollectInfo *>(work->data);
664         return nullptr;
665 }
666
667 CollectInfo *collection_prev_by_info(CollectionData *cd, CollectInfo *info)
668 {
669         GList *work;
670
671         work = g_list_find(cd->list, info);
672
673         if (!work) return nullptr;
674         work = work->prev;
675         if (work) return static_cast<CollectInfo *>(work->data);
676         return nullptr;
677 }
678
679 CollectInfo *collection_get_first(CollectionData *cd)
680 {
681         if (cd->list) return static_cast<CollectInfo *>(cd->list->data);
682
683         return nullptr;
684 }
685
686 CollectInfo *collection_get_last(CollectionData *cd)
687 {
688         GList *list;
689
690         list = g_list_last(cd->list);
691
692         if (list) return static_cast<CollectInfo *>(list->data);
693
694         return nullptr;
695 }
696
697 void collection_set_sort_method(CollectionData *cd, SortType method)
698 {
699         if (!cd) return;
700
701         if (cd->sort_method == method) return;
702
703         cd->sort_method = method;
704         cd->list = collection_list_sort(cd->list, cd->sort_method);
705         if (cd->list) cd->changed = TRUE;
706
707         collection_window_refresh(collection_window_find(cd));
708 }
709
710 void collection_randomize(CollectionData *cd)
711 {
712         if (!cd) return;
713
714         cd->list = collection_list_randomize(cd->list);
715         cd->sort_method = SORT_NONE;
716         if (cd->list) cd->changed = TRUE;
717
718         collection_window_refresh(collection_window_find(cd));
719 }
720
721 void collection_set_update_info_func(CollectionData *cd,
722                                      void (*func)(CollectionData *, CollectInfo *, gpointer), gpointer data)
723 {
724         cd->info_updated_func = func;
725         cd->info_updated_data = data;
726 }
727
728 static CollectInfo *collection_info_new_if_not_exists(CollectionData *cd, struct stat *st, FileData *fd)
729 {
730         CollectInfo *ci;
731
732         if (g_hash_table_lookup(cd->existence, fd->path)) return nullptr;
733
734         ci = collection_info_new(fd, st, nullptr);
735         if (ci) g_hash_table_insert(cd->existence, fd->path, g_strdup(""));
736         return ci;
737 }
738
739 gboolean collection_add_check(CollectionData *cd, FileData *fd, gboolean sorted, gboolean must_exist)
740 {
741         struct stat st;
742         gboolean valid;
743
744         if (!fd) return FALSE;
745
746         g_assert(fd->magick == FD_MAGICK);
747
748         if (must_exist)
749                 {
750                 valid = (stat_utf8(fd->path, &st) && !S_ISDIR(st.st_mode));
751                 }
752         else
753                 {
754                 valid = TRUE;
755                 st.st_size = 0;
756                 st.st_mtime = 0;
757                 }
758
759         if (valid)
760                 {
761                 CollectInfo *ci;
762
763                 ci = collection_info_new_if_not_exists(cd, &st, fd);
764                 if (!ci) return FALSE;
765                 DEBUG_3("add to collection: %s", fd->path);
766
767                 cd->list = collection_list_add(cd->list, ci, sorted ? cd->sort_method : SORT_NONE);
768                 cd->changed = TRUE;
769
770                 if (!sorted || cd->sort_method == SORT_NONE)
771                         {
772                         collection_window_add(collection_window_find(cd), ci);
773                         }
774                 else
775                         {
776                         collection_window_insert(collection_window_find(cd), ci);
777                         }
778                 }
779
780         return valid;
781 }
782
783 gboolean collection_add(CollectionData *cd, FileData *fd, gboolean sorted)
784 {
785         return collection_add_check(cd, fd, sorted, TRUE);
786 }
787
788 gboolean collection_insert(CollectionData *cd, FileData *fd, CollectInfo *insert_ci, gboolean sorted)
789 {
790         struct stat st;
791
792         if (!insert_ci) return collection_add(cd, fd, sorted);
793
794         if (stat_utf8(fd->path, &st) >= 0 && !S_ISDIR(st.st_mode))
795                 {
796                 CollectInfo *ci;
797
798                 ci = collection_info_new_if_not_exists(cd, &st, fd);
799                 if (!ci) return FALSE;
800
801                 DEBUG_3("insert in collection: %s", fd->path);
802
803                 cd->list = collection_list_insert(cd->list, ci, insert_ci, sorted ? cd->sort_method : SORT_NONE);
804                 cd->changed = TRUE;
805
806                 collection_window_insert(collection_window_find(cd), ci);
807
808                 return TRUE;
809                 }
810
811         return FALSE;
812 }
813
814 gboolean collection_remove(CollectionData *cd, FileData *fd)
815 {
816         CollectInfo *ci;
817
818         ci = collection_list_find_fd(cd->list, fd);
819
820         if (!ci) return FALSE;
821
822         g_hash_table_remove(cd->existence, fd->path);
823
824         cd->list = g_list_remove(cd->list, ci);
825         cd->changed = TRUE;
826
827         collection_window_remove(collection_window_find(cd), ci);
828         collection_info_free(ci);
829
830         return TRUE;
831 }
832
833 static void collection_remove_by_info(CollectionData *cd, CollectInfo *info)
834 {
835         if (!info || !g_list_find(cd->list, info)) return;
836
837         cd->list = g_list_remove(cd->list, info);
838         cd->changed = (cd->list != nullptr);
839
840         collection_window_remove(collection_window_find(cd), info);
841         collection_info_free(info);
842 }
843
844 void collection_remove_by_info_list(CollectionData *cd, GList *list)
845 {
846         GList *work;
847
848         if (!list) return;
849
850         if (!list->next)
851                 {
852                 /* more efficient (in collect-table) to remove a single item this way */
853                 collection_remove_by_info(cd, static_cast<CollectInfo *>(list->data));
854                 return;
855                 }
856
857         work = list;
858         while (work)
859                 {
860                 cd->list = collection_list_remove(cd->list, static_cast<CollectInfo *>(work->data));
861                 work = work->next;
862                 }
863         cd->changed = (cd->list != nullptr);
864
865         collection_window_refresh(collection_window_find(cd));
866 }
867
868 gboolean collection_rename(CollectionData *cd, FileData *fd)
869 {
870         CollectInfo *ci;
871         ci = collection_list_find_fd(cd->list, fd);
872
873         if (!ci) return FALSE;
874
875         cd->changed = TRUE;
876
877         collection_window_update(collection_window_find(cd), ci);
878
879         return TRUE;
880 }
881
882 void collection_update_geometry(CollectionData *cd)
883 {
884         collection_window_get_geometry(collection_window_find(cd));
885 }
886
887 /*
888  *-------------------------------------------------------------------
889  * simple maintenance for renaming, deleting
890  *-------------------------------------------------------------------
891  */
892
893 static void collection_notify_cb(FileData *fd, NotifyType type, gpointer data)
894 {
895         auto cd = static_cast<CollectionData *>(data);
896
897         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
898
899         DEBUG_1("Notify collection: %s %04x", fd->path, type);
900
901         switch (fd->change->type)
902                 {
903                 case FILEDATA_CHANGE_MOVE:
904                 case FILEDATA_CHANGE_RENAME:
905                         collection_rename(cd, fd);
906                         break;
907                 case FILEDATA_CHANGE_COPY:
908                         break;
909                 case FILEDATA_CHANGE_DELETE:
910                         while (collection_remove(cd, fd));
911                         break;
912                 case FILEDATA_CHANGE_UNSPECIFIED:
913                 case FILEDATA_CHANGE_WRITE_METADATA:
914                         break;
915                 }
916
917 }
918
919
920 /*
921  *-------------------------------------------------------------------
922  * window key presses
923  *-------------------------------------------------------------------
924  */
925
926 static gboolean collection_window_keypress(GtkWidget *, GdkEventKey *event, gpointer data)
927 {
928         auto cw = static_cast<CollectWindow *>(data);
929         gboolean stop_signal = FALSE;
930         GList *list;
931
932         if (event->state & GDK_CONTROL_MASK)
933                 {
934                 stop_signal = TRUE;
935                 switch (event->keyval)
936                         {
937                         case '1':
938                         case '2':
939                         case '3':
940                         case '4':
941                         case '5':
942                         case '6':
943                         case '7':
944                         case '8':
945                         case '9':
946                         case '0':
947                                 break;
948                         case 'A': case 'a':
949                                 if (event->state & GDK_SHIFT_MASK)
950                                         {
951                                         collection_table_unselect_all(cw->table);
952                                         }
953                                 else
954                                         {
955                                         collection_table_select_all(cw->table);
956                                         }
957                                 break;
958                         case 'L': case 'l':
959                                 list = layout_list(nullptr);
960                                 if (list)
961                                         {
962                                         collection_table_add_filelist(cw->table, list);
963                                         filelist_free(list);
964                                         }
965                                 break;
966                         case 'C': case 'c':
967                                 file_util_copy(nullptr, collection_table_selection_get_list(cw->table), nullptr, cw->window);
968                                 break;
969                         case 'M': case 'm':
970                                 file_util_move(nullptr, collection_table_selection_get_list(cw->table), nullptr, cw->window);
971                                 break;
972                         case 'R': case 'r':
973                                 file_util_rename(nullptr, collection_table_selection_get_list(cw->table), cw->window);
974                                 break;
975                         case 'D': case 'd':
976                                 options->file_ops.safe_delete_enable = TRUE;
977                                 file_util_delete(nullptr, collection_table_selection_get_list(cw->table), cw->window);
978                                 break;
979                         case 'S': case 's':
980                                 collection_dialog_save_as(nullptr, cw->cd);
981                                 break;
982                         case 'W': case 'w':
983                                 collection_window_close(cw);
984                                 break;
985                         default:
986                                 stop_signal = FALSE;
987                                 break;
988                         }
989                 }
990         else
991                 {
992                 stop_signal = TRUE;
993                 switch (event->keyval)
994                         {
995                         case GDK_KEY_Return: case GDK_KEY_KP_Enter:
996                                 layout_image_set_collection(nullptr, cw->cd,
997                                         collection_table_get_focus_info(cw->table));
998                                 break;
999                         case 'V': case 'v':
1000                                 view_window_new_from_collection(cw->cd,
1001                                         collection_table_get_focus_info(cw->table));
1002                                 break;
1003                         case 'S': case 's':
1004                                 if (!cw->cd->path)
1005                                         {
1006                                         collection_dialog_save_as(nullptr, cw->cd);
1007                                         }
1008                                 else if (!collection_save(cw->cd, cw->cd->path))
1009                                         {
1010                                         log_printf("failed saving to collection path: %s\n", cw->cd->path);
1011                                         }
1012                                 break;
1013                         case 'A': case 'a':
1014                                 collection_dialog_append(nullptr, cw->cd);
1015                                 break;
1016                         case 'N': case 'n':
1017                                 collection_set_sort_method(cw->cd, SORT_NAME);
1018                                 break;
1019                         case 'D': case 'd':
1020                                 collection_set_sort_method(cw->cd, SORT_TIME);
1021                                 break;
1022                         case 'B': case 'b':
1023                                 collection_set_sort_method(cw->cd, SORT_SIZE);
1024                                 break;
1025                         case 'P': case 'p':
1026                                 if (event->state & GDK_SHIFT_MASK)
1027                                         {
1028                                         CollectInfo *info;
1029
1030                                         info = collection_table_get_focus_info(cw->table);
1031
1032                                         print_window_new(info->fd, collection_table_selection_get_list(cw->table),
1033                                                          collection_list_to_filelist(cw->cd->list), cw->window);
1034                                         }
1035                                 else
1036                                         {
1037                                         collection_set_sort_method(cw->cd, SORT_PATH);
1038                                         }
1039                                 break;
1040                         case 'R': case 'r':
1041                                 if (event->state & GDK_MOD1_MASK)
1042                                         {
1043                                                 options->collections.rectangular_selection = !(options->collections.rectangular_selection);
1044                                         }
1045                                 break;
1046                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1047                                 list = g_list_copy(cw->table->selection);
1048                                 if (list)
1049                                         {
1050                                         collection_remove_by_info_list(cw->cd, list);
1051                                         collection_table_refresh(cw->table);
1052                                         g_list_free(list);
1053                                         }
1054                                 else
1055                                         {
1056                                         collection_remove_by_info(cw->cd, collection_table_get_focus_info(cw->table));
1057                                         }
1058                                 break;
1059                         default:
1060                                 stop_signal = FALSE;
1061                                 break;
1062                         }
1063                 }
1064         if (!stop_signal && is_help_key(event))
1065                 {
1066                 help_window_show("GuideCollections.html");
1067                 stop_signal = TRUE;
1068                 }
1069
1070         return stop_signal;
1071 }
1072
1073 /*
1074  *-------------------------------------------------------------------
1075  * window
1076  *-------------------------------------------------------------------
1077  */
1078 static void collection_window_get_geometry(CollectWindow *cw)
1079 {
1080         CollectionData *cd;
1081         GdkWindow *window;
1082
1083         if (!cw) return;
1084
1085         cd = cw->cd;
1086         window = gtk_widget_get_window(cw->window);
1087         gdk_window_get_position(window, &cd->window_x, &cd->window_y);
1088         cd->window_w = gdk_window_get_width(window);
1089         cd->window_h = gdk_window_get_height(window);
1090         cd->window_read = TRUE;
1091 }
1092
1093 static void collection_window_refresh(CollectWindow *cw)
1094 {
1095         if (!cw) return;
1096
1097         collection_table_refresh(cw->table);
1098 }
1099
1100 static void collection_window_update_title(CollectWindow *cw)
1101 {
1102         gboolean free_name = FALSE;
1103         gchar *name;
1104         gchar *buf;
1105
1106         if (!cw) return;
1107
1108         if (file_extension_match(cw->cd->name, GQ_COLLECTION_EXT))
1109                 {
1110                 name = remove_extension_from_path(cw->cd->name);
1111                 free_name = TRUE;
1112                 }
1113         else
1114                 {
1115                 name = cw->cd->name;
1116                 }
1117
1118         buf = g_strdup_printf(_("%s - Collection - %s"), name, GQ_APPNAME);
1119         if (free_name) g_free(name);
1120         gtk_window_set_title(GTK_WINDOW(cw->window), buf);
1121         g_free(buf);
1122 }
1123
1124 static void collection_window_update_info(CollectionData *, CollectInfo *ci, gpointer data)
1125 {
1126         auto cw = static_cast<CollectWindow *>(data);
1127
1128         collection_table_file_update(cw->table, ci);
1129 }
1130
1131 static void collection_window_add(CollectWindow *cw, CollectInfo *ci)
1132 {
1133         if (!cw) return;
1134
1135         if (!ci->pixbuf) collection_load_thumb_idle(cw->cd);
1136         collection_table_file_add(cw->table, ci);
1137 }
1138
1139 static void collection_window_insert(CollectWindow *cw, CollectInfo *ci)
1140 {
1141         if (!cw) return;
1142
1143         if (!ci->pixbuf) collection_load_thumb_idle(cw->cd);
1144         collection_table_file_insert(cw->table, ci);
1145         if (!cw) return;
1146 }
1147
1148 static void collection_window_remove(CollectWindow *cw, CollectInfo *ci)
1149 {
1150         if (!cw) return;
1151
1152         collection_table_file_remove(cw->table, ci);
1153 }
1154
1155 static void collection_window_update(CollectWindow *cw, CollectInfo *ci)
1156 {
1157         if (!cw) return;
1158
1159         collection_table_file_update(cw->table, ci);
1160         collection_table_file_update(cw->table, nullptr);
1161 }
1162
1163 static void collection_window_close_final(CollectWindow *cw)
1164 {
1165         if (cw->close_dialog) return;
1166
1167         collection_window_list = g_list_remove(collection_window_list, cw);
1168         collection_window_get_geometry(cw);
1169
1170         gtk_widget_destroy(cw->window);
1171
1172         collection_set_update_info_func(cw->cd, nullptr, nullptr);
1173         collection_unref(cw->cd);
1174
1175         g_free(cw);
1176 }
1177
1178 static void collection_close_save_cb(GenericDialog *gd, gpointer data)
1179 {
1180         auto cw = static_cast<CollectWindow *>(data);
1181
1182         cw->close_dialog = nullptr;
1183         generic_dialog_close(gd);
1184
1185         if (!cw->cd->path)
1186                 {
1187                 collection_dialog_save_close(nullptr, cw->cd);
1188                 return;
1189                 }
1190         else if (!collection_save(cw->cd, cw->cd->path))
1191                 {
1192                 gchar *buf;
1193                 buf = g_strdup_printf(_("Failed to save the collection:\n%s"), cw->cd->path);
1194                 warning_dialog(_("Save Failed"), buf, GQ_ICON_DIALOG_ERROR, cw->window);
1195                 g_free(buf);
1196                 return;
1197                 }
1198
1199         collection_window_close_final(cw);
1200 }
1201
1202 static void collection_close_close_cb(GenericDialog *gd, gpointer data)
1203 {
1204         auto cw = static_cast<CollectWindow *>(data);
1205
1206         cw->close_dialog = nullptr;
1207         generic_dialog_close(gd);
1208
1209         collection_window_close_final(cw);
1210 }
1211
1212 static void collection_close_cancel_cb(GenericDialog *gd, gpointer data)
1213 {
1214         auto cw = static_cast<CollectWindow *>(data);
1215
1216         cw->close_dialog = nullptr;
1217         generic_dialog_close(gd);
1218 }
1219
1220 static void collection_close_dlg_show(CollectWindow *cw)
1221 {
1222         GenericDialog *gd;
1223
1224         if (cw->close_dialog)
1225                 {
1226                 gtk_window_present(GTK_WINDOW(cw->close_dialog));
1227                 return;
1228                 }
1229
1230         gd = generic_dialog_new(_("Close collection"),
1231                                 "close_collection", cw->window, FALSE,
1232                                 collection_close_cancel_cb, cw);
1233         generic_dialog_add_message(gd, GQ_ICON_DIALOG_QUESTION,
1234                                    _("Close collection"),
1235                                    _("Collection has been modified.\nSave first?"), TRUE);
1236
1237         generic_dialog_add_button(gd, GQ_ICON_SAVE, _("Save"), collection_close_save_cb, TRUE);
1238         generic_dialog_add_button(gd, GQ_ICON_DELETE, _("_Discard"), collection_close_close_cb, FALSE);
1239
1240         cw->close_dialog = gd->dialog;
1241
1242         gtk_widget_show(gd->dialog);
1243 }
1244
1245 static void collection_window_close(CollectWindow *cw)
1246 {
1247         if (!cw->cd->changed && !cw->close_dialog)
1248                 {
1249                 collection_window_close_final(cw);
1250                 return;
1251                 }
1252
1253         collection_close_dlg_show(cw);
1254 }
1255
1256 void collection_window_close_by_collection(CollectionData *cd)
1257 {
1258         CollectWindow *cw;
1259
1260         cw = collection_window_find(cd);
1261         if (cw) collection_window_close_final(cw);
1262 }
1263
1264 /**
1265  * @brief Check if any Collection windows have unsaved data
1266  * @returns TRUE if unsaved data exists
1267  *
1268  * Also saves window geometry for Collection windows that have
1269  * no unsaved data
1270  */
1271 gboolean collection_window_modified_exists()
1272 {
1273         GList *work;
1274         gboolean ret;
1275
1276         ret = FALSE;
1277
1278         work = collection_window_list;
1279         while (work)
1280                 {
1281                 auto cw = static_cast<CollectWindow *>(work->data);
1282                 if (cw->cd->changed)
1283                         {
1284                         ret = TRUE;
1285                         }
1286                 else
1287                         {
1288                         if (!collection_save(cw->table->cd, cw->table->cd->path))
1289                                 {
1290                                 log_printf("failed saving to collection path: %s\n", cw->table->cd->path);
1291                                 }
1292                         }
1293                 work = work->next;
1294                 }
1295
1296         return ret;
1297 }
1298
1299 static gboolean collection_window_delete(GtkWidget *, GdkEvent *, gpointer data)
1300 {
1301         auto cw = static_cast<CollectWindow *>(data);
1302         collection_window_close(cw);
1303
1304         return TRUE;
1305 }
1306
1307 CollectWindow *collection_window_new(const gchar *path)
1308 {
1309         CollectWindow *cw;
1310         GtkWidget *vbox;
1311         GtkWidget *frame;
1312         GtkWidget *status_label;
1313         GtkWidget *extra_label;
1314         GdkGeometry geometry;
1315
1316         /* If the collection is already opened in another window, return that one */
1317         cw = collection_window_find_by_path(path);
1318         if (cw)
1319                 {
1320                 return cw;
1321                 }
1322
1323         cw = g_new0(CollectWindow, 1);
1324
1325         collection_window_list = g_list_append(collection_window_list, cw);
1326
1327         cw->cd = collection_new(path);
1328
1329         cw->window = window_new(GTK_WINDOW_TOPLEVEL, "collection", PIXBUF_INLINE_ICON_BOOK, nullptr, nullptr);
1330         DEBUG_NAME(cw->window);
1331
1332         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1333         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1334         geometry.base_width = COLLECT_DEF_WIDTH;
1335         geometry.base_height = COLLECT_DEF_HEIGHT;
1336         gtk_window_set_geometry_hints(GTK_WINDOW(cw->window), nullptr, &geometry,
1337                                       static_cast<GdkWindowHints>(GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE));
1338
1339         if (options->collections_on_top)
1340                 {
1341                 gtk_window_set_keep_above(GTK_WINDOW(cw->window), TRUE);
1342                 }
1343
1344         if (options->save_window_positions && path && collection_load_only_geometry(cw->cd, path))
1345                 {
1346                 gtk_window_set_default_size(GTK_WINDOW(cw->window), cw->cd->window_w, cw->cd->window_h);
1347                 gtk_window_move(GTK_WINDOW(cw->window), cw->cd->window_x, cw->cd->window_y);
1348                 }
1349         else
1350                 {
1351                 gtk_window_set_default_size(GTK_WINDOW(cw->window), COLLECT_DEF_WIDTH, COLLECT_DEF_HEIGHT);
1352                 }
1353
1354         gtk_window_set_resizable(GTK_WINDOW(cw->window), TRUE);
1355         collection_window_update_title(cw);
1356         gtk_container_set_border_width(GTK_CONTAINER(cw->window), 0);
1357
1358         g_signal_connect(G_OBJECT(cw->window), "delete_event",
1359                          G_CALLBACK(collection_window_delete), cw);
1360
1361         g_signal_connect(G_OBJECT(cw->window), "key_press_event",
1362                          G_CALLBACK(collection_window_keypress), cw);
1363
1364         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1365         gtk_container_add(GTK_CONTAINER(cw->window), vbox);
1366         gtk_widget_show(vbox);
1367
1368         cw->table = collection_table_new(cw->cd);
1369         gtk_box_pack_start(GTK_BOX(vbox), cw->table->scrolled, TRUE, TRUE, 0);
1370         gtk_widget_show(cw->table->scrolled);
1371
1372         cw->status_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
1373         gtk_box_pack_start(GTK_BOX(vbox), cw->status_box, FALSE, FALSE, 0);
1374         gtk_widget_show(cw->status_box);
1375
1376         frame = gtk_frame_new(nullptr);
1377         DEBUG_NAME(frame);
1378         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1379         gtk_box_pack_start(GTK_BOX(cw->status_box), frame, TRUE, TRUE, 0);
1380         gtk_widget_show(frame);
1381
1382         status_label = gtk_label_new("");
1383         gtk_container_add(GTK_CONTAINER(frame), status_label);
1384         gtk_widget_show(status_label);
1385
1386         extra_label = gtk_progress_bar_new();
1387         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(extra_label), 0.0);
1388         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(extra_label), "");
1389         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(extra_label), TRUE);
1390
1391         gtk_box_pack_start(GTK_BOX(cw->status_box), extra_label, TRUE, TRUE, 0);
1392         gtk_widget_show(extra_label);
1393
1394         collection_table_set_labels(cw->table, status_label, extra_label);
1395
1396         gtk_widget_show(cw->window);
1397         gtk_widget_grab_focus(cw->table->listview);
1398
1399         collection_set_update_info_func(cw->cd, collection_window_update_info, cw);
1400
1401         if (path && *path == G_DIR_SEPARATOR) collection_load_begin(cw->cd, nullptr, COLLECTION_LOAD_NONE);
1402
1403         return cw;
1404 }
1405 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */