Drop initialization to NULL since filelist_read() will take care of it.
[geeqie.git] / src / dupe.c
1 /*
2  * Geeqie
3  * (C) 2005 John Ellis
4  * Copyright (C) 2008 The Geeqie Team
5  *
6  * Author: John Ellis
7  *
8  * This software is released under the GNU General Public License (GNU GPL).
9  * Please read the included file COPYING for more information.
10  * This software comes with no warranty of any kind, use at your own risk!
11  */
12
13
14 #include "main.h"
15 #include "dupe.h"
16
17 #include "cache.h"
18 #include "collect.h"
19 #include "collect-table.h"
20 #include "dnd.h"
21 #include "editors.h"
22 #include "filedata.h"
23 #include "image-load.h"
24 #include "img-view.h"
25 #include "info.h"
26 #include "layout.h"
27 #include "layout_image.h"
28 #include "md5-util.h"
29 #include "menu.h"
30 #include "print.h"
31 #include "thumb.h"
32 #include "utilops.h"
33 #include "ui_bookmark.h"
34 #include "ui_fileops.h"
35 #include "ui_menu.h"
36 #include "ui_misc.h"
37 #include "ui_tree_edit.h"
38 #include "window.h"
39
40 #include <gdk/gdkkeysyms.h> /* for keyboard values */
41
42
43 #include <math.h>
44
45
46 #define DUPE_DEF_WIDTH 600
47 #define DUPE_DEF_HEIGHT 400
48
49 /* column assignment order (simply change them here) */
50 enum {
51         DUPE_COLUMN_POINTER = 0,
52         DUPE_COLUMN_RANK,
53         DUPE_COLUMN_THUMB,
54         DUPE_COLUMN_NAME,
55         DUPE_COLUMN_SIZE,
56         DUPE_COLUMN_DATE,
57         DUPE_COLUMN_DIMENSIONS,
58         DUPE_COLUMN_PATH,
59         DUPE_COLUMN_COLOR,
60         DUPE_COLUMN_COUNT       /* total columns */
61 };
62
63
64 static GList *dupe_window_list = NULL;  /* list of open DupeWindow *s */
65
66 /*
67  * Well, after adding the 'compare two sets' option things got a little sloppy in here
68  * because we have to account for two 'modes' everywhere. (be careful).
69  */
70
71 static void dupe_match_unlink(DupeItem *a, DupeItem *b);
72 static DupeItem *dupe_match_find_parent(DupeWindow *dw, DupeItem *child);
73
74 static gint dupe_match(DupeItem *a, DupeItem *b, DupeMatchType mask, gdouble *rank, gint fast);
75
76 static void dupe_thumb_step(DupeWindow *dw);
77 static gint dupe_check_cb(gpointer data);
78
79 static void dupe_second_add(DupeWindow *dw, DupeItem *di);
80 static void dupe_second_remove(DupeWindow *dw, DupeItem *di);
81 static GtkWidget *dupe_menu_popup_second(DupeWindow *dw, DupeItem *di);
82
83 static void dupe_dnd_init(DupeWindow *dw);
84
85 /*
86  * ------------------------------------------------------------------
87  * Window updates
88  * ------------------------------------------------------------------
89  */
90
91
92 static void dupe_window_update_count(DupeWindow *dw, gint count_only)
93 {
94         gchar *text;
95
96         if (!dw->list)
97                 {
98                 text = g_strdup(_("Drop files to compare them."));
99                 }
100         else if (count_only)
101                 {
102                 text = g_strdup_printf(_("%d files"), g_list_length(dw->list));
103                 }
104         else
105                 {
106                 text = g_strdup_printf(_("%d matches found in %d files"), g_list_length(dw->dupes), g_list_length(dw->list));
107                 }
108
109         if (dw->second_set)
110                 {
111                 gchar *buf = g_strconcat(text, " ", _("[set 1]"), NULL);
112                 g_free(text);
113                 text = buf;
114                 }
115         gtk_label_set_text(GTK_LABEL(dw->status_label), text);
116
117         g_free(text);
118 }
119
120 static guint64 msec_time(void)
121 {
122         struct timeval tv;
123
124         if (gettimeofday(&tv, NULL) == -1) return 0;
125
126         return (guint64)tv.tv_sec * 1000000 + (guint64)tv.tv_usec;
127 }
128
129 static gint dupe_iterations(gint n)
130 {
131         return (n * ((n + 1) / 2));
132 }
133
134 static void dupe_window_update_progress(DupeWindow *dw, const gchar *status, gdouble value, gint force)
135 {
136         const gchar *status_text;
137
138         if (status)
139                 {
140                 guint64 new_time = 0;
141
142                 if (dw->setup_n % 10 == 0)
143                         {
144                         new_time = msec_time() - dw->setup_time;
145                         }
146
147                 if (!force &&
148                     value != 0.0 &&
149                     dw->setup_count > 0 &&
150                     new_time > 2000000)
151                         {
152                         gchar *buf;
153                         gint t;
154                         gint d;
155                         guint32 rem;
156
157                         if (new_time - dw->setup_time_count < 250000) return;
158                         dw->setup_time_count = new_time;
159
160                         if (dw->setup_done)
161                                 {
162                                 if (dw->second_set)
163                                         {
164                                         t = dw->setup_count;
165                                         d = dw->setup_count - dw->setup_n;
166                                         }
167                                 else
168                                         {
169                                         t = dupe_iterations(dw->setup_count);
170                                         d = dupe_iterations(dw->setup_count - dw->setup_n);
171                                         }
172                                 }
173                         else
174                                 {
175                                 t = dw->setup_count;
176                                 d = dw->setup_count - dw->setup_n;
177                                 }
178
179                         rem = (t - d) ? ((gdouble)(dw->setup_time_count / 1000000) / (t - d)) * d : 0;
180
181                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), value);
182
183                         buf = g_strdup_printf("%s %d:%02d ", status, rem / 60, rem % 60);
184                         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), buf);
185                         g_free(buf);
186
187                         return;
188                         }
189                 else if (force ||
190                          value == 0.0 ||
191                          dw->setup_count == 0 ||
192                          dw->setup_time_count == 0 ||
193                          (new_time > 0 && new_time - dw->setup_time_count >= 250000))
194                         {
195                         if (dw->setup_time_count == 0) dw->setup_time_count = 1;
196                         if (new_time > 0) dw->setup_time_count = new_time;
197                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), value);
198                         status_text = status;
199                         }
200                 else
201                         {
202                         status_text = NULL;
203                         }
204                 }
205         else
206                 {
207                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), 0.0);
208                 status_text = " ";
209                 }
210
211         if (status_text) gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), status_text);
212 }
213
214 static void widget_set_cursor(GtkWidget *widget, gint icon)
215 {
216         GdkCursor *cursor;
217
218         if (!widget->window) return;
219
220         if (icon == -1)
221                 {
222                 cursor = NULL;
223                 }
224         else
225                 {
226                 cursor = gdk_cursor_new(icon);
227                 }
228
229         gdk_window_set_cursor(widget->window, cursor);
230
231         if (cursor) gdk_cursor_unref(cursor);
232 }
233
234 /*
235  * ------------------------------------------------------------------
236  * row color utils
237  * ------------------------------------------------------------------
238  */
239
240 static void dupe_listview_realign_colors(DupeWindow *dw)
241 {
242         GtkTreeModel *store;
243         GtkTreeIter iter;
244         gboolean color_set = TRUE;
245         DupeItem *parent = NULL;
246         gint valid;
247
248         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
249         valid = gtk_tree_model_get_iter_first(store, &iter);
250         while (valid)
251                 {
252                 DupeItem *child;
253                 DupeItem *child_parent;
254
255                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &child, -1);
256                 child_parent = dupe_match_find_parent(dw, child);
257                 if (!parent || parent != child_parent)
258                         {
259                         if (!parent)
260                                 {
261                                 /* keep the first row as it is */
262                                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_COLOR, &color_set, -1);
263                                 }
264                         else
265                                 {
266                                 color_set = !color_set;
267                                 }
268                         parent = dupe_match_find_parent(dw, child);
269                         }
270                 gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_COLOR, color_set, -1);
271
272                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
273                 }
274 }
275
276 /*
277  * ------------------------------------------------------------------
278  * Dupe item utils
279  * ------------------------------------------------------------------
280  */
281
282 static DupeItem *dupe_item_new(FileData *fd)
283 {
284         DupeItem *di;
285
286         di = g_new0(DupeItem, 1);
287
288         di->fd = file_data_ref(fd);
289
290         di->group = NULL;
291         di->group_rank = 0.0;
292
293         di->simd = NULL;
294         di->checksum = 0;
295         di->md5sum = NULL;
296         di->width = 0;
297         di->height = 0;
298
299         di->second = FALSE;
300
301         return di;
302 }
303
304 static void dupe_item_free(DupeItem *di)
305 {
306         file_data_unref(di->fd);
307         image_sim_free(di->simd);
308         g_free(di->md5sum);
309         if (di->pixbuf) g_object_unref(di->pixbuf);
310
311         g_free(di);
312 }
313
314 static void dupe_list_free(GList *list)
315 {
316         GList *work = list;
317         while (work)
318                 {
319                 DupeItem *di = work->data;
320                 work = work->next;
321                 dupe_item_free(di);
322                 }
323         g_list_free(list);
324 }
325
326 /*
327 static DupeItem *dupe_item_find_fd_by_list(FileData *fd, GList *work)
328 {
329         while (work)
330                 {
331                 DupeItem *di = work->data;
332
333                 if (di->fd == fd) return di;
334
335                 work = work->next;
336                 }
337
338         return NULL;
339 }
340 */
341
342 /*
343 static DupeItem *dupe_item_find_fd(DupeWindow *dw, FileData *fd)
344 {
345         DupeItem *di;
346
347         di = dupe_item_find_fd_by_list(fd, dw->list);
348         if (!di && dw->second_set) di = dupe_item_find_fd_by_list(fd, dw->second_list);
349
350         return di;
351 }
352 */
353
354 static DupeItem *dupe_item_find_path_by_list(const gchar *path, GList *work)
355 {
356         while (work)
357                 {
358                 DupeItem *di = work->data;
359
360                 if (strcmp(di->fd->path, path) == 0) return di;
361
362                 work = work->next;
363                 }
364
365         return NULL;
366 }
367
368 static DupeItem *dupe_item_find_path(DupeWindow *dw, const gchar *path)
369 {
370         DupeItem *di;
371
372         di = dupe_item_find_path_by_list(path, dw->list);
373         if (!di && dw->second_set) di = dupe_item_find_path_by_list(path, dw->second_list);
374
375         return di;
376 }
377
378 /*
379  * ------------------------------------------------------------------
380  * Image property cache
381  * ------------------------------------------------------------------
382  */
383
384 static void dupe_item_read_cache(DupeItem *di)
385 {
386         gchar *path;
387         CacheData *cd;
388
389         if (!di) return;
390
391         path = cache_find_location(CACHE_TYPE_SIM, di->fd->path);
392         if (!path) return;
393
394         if (filetime(di->fd->path) != filetime(path))
395                 {
396                 g_free(path);
397                 return;
398                 }
399
400         cd = cache_sim_data_load(path);
401         g_free(path);
402
403         if (cd)
404                 {
405                 if (!di->simd && cd->sim)
406                         {
407                         di->simd = cd->sim;
408                         cd->sim = NULL;
409                         }
410                 if (di->width == 0 && di->height == 0 && cd->dimensions)
411                         {
412                         di->width = cd->width;
413                         di->height = cd->height;
414                         }
415                 if (di->checksum == 0 && cd->have_checksum)
416                         {
417                         di->checksum = cd->checksum;
418                         }
419                 if (!di->md5sum && cd->have_md5sum)
420                         {
421                         di->md5sum = md5_digest_to_text(cd->md5sum);
422                         }
423                 cache_sim_data_free(cd);
424                 }
425 }
426
427 static void dupe_item_write_cache(DupeItem *di)
428 {
429         gchar *base;
430         mode_t mode = 0755;
431
432         if (!di) return;
433
434         base = cache_get_location(CACHE_TYPE_SIM, di->fd->path, FALSE, &mode);
435         if (cache_ensure_dir_exists(base, mode))
436                 {
437                 CacheData *cd;
438
439                 cd = cache_sim_data_new();
440                 cd->path = cache_get_location(CACHE_TYPE_SIM, di->fd->path, TRUE, NULL);
441
442                 if (di->width != 0) cache_sim_data_set_dimensions(cd, di->width, di->height);
443                 if (di->checksum != 0) cache_sim_data_set_checksum(cd, di->checksum);
444                 if (di->md5sum)
445                         {
446                         guchar digest[16];
447                         if (md5_digest_from_text(di->md5sum, digest)) cache_sim_data_set_md5sum(cd, digest);
448                         }
449                 if (di->simd) cache_sim_data_set_similarity(cd, di->simd);
450
451                 if (cache_sim_data_save(cd))
452                         {
453                         filetime_set(cd->path, filetime(di->fd->path));
454                         }
455                 cache_sim_data_free(cd);
456                 }
457         g_free(base);
458 }
459
460 /*
461  * ------------------------------------------------------------------
462  * Window list utils
463  * ------------------------------------------------------------------
464  */
465
466 static gint dupe_listview_find_item(GtkListStore *store, DupeItem *item, GtkTreeIter *iter)
467 {
468         gint valid;
469         gint row = 0;
470
471         valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), iter);
472         while (valid)
473                 {
474                 DupeItem *item_n;
475                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DUPE_COLUMN_POINTER, &item_n, -1);
476                 if (item_n == item) return row;
477
478                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
479                 row++;
480                 }
481
482         return -1;
483 }
484
485 static void dupe_listview_add(DupeWindow *dw, DupeItem *parent, DupeItem *child)
486 {
487         DupeItem *di;
488         gint row;
489         gchar *text[DUPE_COLUMN_COUNT];
490         GtkListStore *store;
491         GtkTreeIter iter;
492         gboolean color_set = FALSE;
493         gint rank;
494
495         if (!parent) return;
496
497         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
498
499         if (child)
500                 {
501                 DupeMatch *dm;
502
503                 row = dupe_listview_find_item(store, parent, &iter);
504                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_set, -1);
505
506                 row++;
507
508                 if (child->group)
509                         {
510                         dm = child->group->data;
511                         rank = (gint)floor(dm->rank);
512                         }
513                 else
514                         {
515                         rank = 1;
516                         log_printf("NULL group in item!\n");
517                         }
518                 }
519         else
520                 {
521                 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
522                         {
523                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_set, -1);
524                         color_set = !color_set;
525                         }
526                 else
527                         {
528                         color_set = FALSE;
529                         }
530                 row = 0;
531                 rank = 0;
532                 }
533
534         di = (child) ? child : parent;
535
536         if (!child && dw->second_set)
537                 {
538                 text[DUPE_COLUMN_RANK] = g_strdup("[1]");
539                 }
540         else if (rank == 0)
541                 {
542                 text[DUPE_COLUMN_RANK] = g_strdup((di->second) ? "(2)" : "");
543                 }
544         else
545                 {
546                 text[DUPE_COLUMN_RANK] = g_strdup_printf("%d%s", rank, (di->second) ? " (2)" : "");
547                 }
548
549         text[DUPE_COLUMN_THUMB] = "";
550         text[DUPE_COLUMN_NAME] = (gchar *)di->fd->name;
551         text[DUPE_COLUMN_SIZE] = text_from_size(di->fd->size);
552         text[DUPE_COLUMN_DATE] = (gchar *)text_from_time(di->fd->date);
553         if (di->width > 0 && di->height > 0)
554                 {
555                 text[DUPE_COLUMN_DIMENSIONS] = g_strdup_printf("%d x %d", di->width, di->height);
556                 }
557         else
558                 {
559                 text[DUPE_COLUMN_DIMENSIONS] = g_strdup("");
560                 }
561         text[DUPE_COLUMN_PATH] = di->fd->path;
562         text[DUPE_COLUMN_COLOR] = NULL;
563
564         gtk_list_store_insert(store, &iter, row);
565         gtk_list_store_set(store, &iter,
566                                 DUPE_COLUMN_POINTER, di,
567                                 DUPE_COLUMN_RANK, text[DUPE_COLUMN_RANK],
568                                 DUPE_COLUMN_THUMB, NULL,
569                                 DUPE_COLUMN_NAME, text[DUPE_COLUMN_NAME],
570                                 DUPE_COLUMN_SIZE, text[DUPE_COLUMN_SIZE],
571                                 DUPE_COLUMN_DATE, text[DUPE_COLUMN_DATE],
572                                 DUPE_COLUMN_DIMENSIONS, text[DUPE_COLUMN_DIMENSIONS],
573                                 DUPE_COLUMN_PATH, text[DUPE_COLUMN_PATH],
574                                 DUPE_COLUMN_COLOR, color_set,
575                                 -1);
576
577         g_free(text[DUPE_COLUMN_RANK]);
578         g_free(text[DUPE_COLUMN_SIZE]);
579         g_free(text[DUPE_COLUMN_DIMENSIONS]);
580 }
581
582 static void dupe_listview_populate(DupeWindow *dw)
583 {
584         GtkListStore *store;
585         GList *work;
586
587         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
588         gtk_list_store_clear(store);
589
590         work = g_list_last(dw->dupes);
591         while (work)
592                 {
593                 DupeItem *parent = work->data;
594                 GList *temp;
595
596                 dupe_listview_add(dw, parent, NULL);
597
598                 temp = g_list_last(parent->group);
599                 while (temp)
600                         {
601                         DupeMatch *dm = temp->data;
602                         DupeItem *child;
603
604                         child = dm->di;
605
606                         dupe_listview_add(dw, parent, child);
607
608                         temp = temp->prev;
609                         }
610
611                 work = work->prev;
612                 }
613
614         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->listview));
615 }
616
617 static void dupe_listview_remove(DupeWindow *dw, DupeItem *di)
618 {
619         GtkListStore *store;
620         GtkTreeIter iter;
621         gint row;
622
623         if (!di) return;
624
625         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
626         row = dupe_listview_find_item(store, di, &iter);
627         if (row < 0) return;
628
629         tree_view_move_cursor_away(GTK_TREE_VIEW(dw->listview), &iter, TRUE);
630         gtk_list_store_remove(store, &iter);
631
632         if (g_list_find(dw->dupes, di) != NULL)
633                 {
634                 if (!dw->color_frozen) dupe_listview_realign_colors(dw);
635                 }
636 }
637
638
639 static GList *dupe_listview_get_filelist(DupeWindow *dw, GtkWidget *listview)
640 {
641         GtkTreeModel *store;
642         GtkTreeIter iter;
643         gint valid;
644         GList *list = NULL;
645
646         store = gtk_tree_view_get_model(GTK_TREE_VIEW(listview));
647         valid = gtk_tree_model_get_iter_first(store, &iter);
648         while (valid)
649                 {
650                 DupeItem *di;
651                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
652                 list = g_list_prepend(list, file_data_ref(di->fd));
653
654                 valid = gtk_tree_model_iter_next(store, &iter);
655                 }
656
657         return g_list_reverse(list);
658 }
659
660
661 static GList *dupe_listview_get_selection(DupeWindow *dw, GtkWidget *listview)
662 {
663         GtkTreeModel *store;
664         GtkTreeSelection *selection;
665         GList *slist;
666         GList *list = NULL;
667         GList *work;
668
669         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
670         slist = gtk_tree_selection_get_selected_rows(selection, &store);
671         work = slist;
672         while (work)
673                 {
674                 GtkTreePath *tpath = work->data;
675                 DupeItem *di = NULL;
676                 GtkTreeIter iter;
677
678                 gtk_tree_model_get_iter(store, &iter, tpath);
679                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
680                 if (di)
681                         {
682                         list = g_list_prepend(list, file_data_ref(di->fd));
683                         }
684                 work = work->next;
685                 }
686         g_list_foreach(slist, (GFunc)gtk_tree_path_free, NULL);
687         g_list_free(slist);
688
689         return g_list_reverse(list);
690 }
691
692 static gint dupe_listview_item_is_selected(DupeWindow *dw, DupeItem *di, GtkWidget *listview)
693 {
694         GtkTreeModel *store;
695         GtkTreeSelection *selection;
696         GList *slist;
697         GList *work;
698         gint found = FALSE;
699
700         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
701         slist = gtk_tree_selection_get_selected_rows(selection, &store);
702         work = slist;
703         while (!found && work)
704                 {
705                 GtkTreePath *tpath = work->data;
706                 DupeItem *di_n;
707                 GtkTreeIter iter;
708
709                 gtk_tree_model_get_iter(store, &iter, tpath);
710                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di_n, -1);
711                 if (di_n == di) found = TRUE;
712                 work = work->next;
713                 }
714         g_list_foreach(slist, (GFunc)gtk_tree_path_free, NULL);
715         g_list_free(slist);
716
717         return found;
718 }
719
720 static void dupe_listview_select_dupes(DupeWindow *dw, gint parents)
721 {
722         GtkTreeModel *store;
723         GtkTreeSelection *selection;
724         GtkTreeIter iter;
725         gint valid;
726
727         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
728         gtk_tree_selection_unselect_all(selection);
729
730         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
731         valid = gtk_tree_model_get_iter_first(store, &iter);
732         while (valid)
733                 {
734                 DupeItem *di;
735
736                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
737                 if ( (dupe_match_find_parent(dw, di) == di) == (parents) )
738                         {
739                         gtk_tree_selection_select_iter(selection, &iter);
740                         }
741                 valid = gtk_tree_model_iter_next(store, &iter);
742                 }
743 }
744
745 /*
746  * ------------------------------------------------------------------
747  * Match group manipulation
748  * ------------------------------------------------------------------
749  */
750
751 static DupeMatch *dupe_match_find_match(DupeItem *child, DupeItem *parent)
752 {
753         GList *work;
754
755         work = parent->group;
756         while (work)
757                 {
758                 DupeMatch *dm = work->data;
759                 if (dm->di == child) return dm;
760                 work = work->next;
761                 }
762         return NULL;
763 }
764
765 static void dupe_match_link_child(DupeItem *child, DupeItem *parent, gdouble rank)
766 {
767         DupeMatch *dm;
768
769         dm = g_new0(DupeMatch, 1);
770         dm->di = child;
771         dm->rank = rank;
772         parent->group = g_list_append(parent->group, dm);
773 }
774
775 static void dupe_match_link(DupeItem *a, DupeItem *b, gdouble rank)
776 {
777         dupe_match_link_child(a, b, rank);
778         dupe_match_link_child(b, a, rank);
779 }
780
781 static void dupe_match_unlink_child(DupeItem *child, DupeItem *parent)
782 {
783         DupeMatch *dm;
784
785         dm = dupe_match_find_match(child, parent);
786         if (dm)
787                 {
788                 parent->group = g_list_remove(parent->group, dm);
789                 g_free(dm);
790                 }
791 }
792
793 static void dupe_match_unlink(DupeItem *a, DupeItem *b)
794 {
795         dupe_match_unlink_child(a, b);
796         dupe_match_unlink_child(b, a);
797 }
798
799 static void dupe_match_link_clear(DupeItem *parent, gint unlink_children)
800 {
801         GList *work;
802
803         work = parent->group;
804         while (work)
805                 {
806                 DupeMatch *dm = work->data;
807                 work = work->next;
808
809                 if (unlink_children) dupe_match_unlink_child(parent, dm->di);
810
811                 g_free(dm);
812                 }
813
814         g_list_free(parent->group);
815         parent->group = NULL;
816         parent->group_rank = 0.0;
817 }
818
819 static gint dupe_match_link_exists(DupeItem *child, DupeItem *parent)
820 {
821         return (dupe_match_find_match(child, parent) != NULL);
822 }
823
824 static gdouble dupe_match_link_rank(DupeItem *child, DupeItem *parent)
825 {
826         DupeMatch *dm;
827
828         dm = dupe_match_find_match(child, parent);
829         if (dm) return dm->rank;
830
831         return 0.0;
832 }
833
834 static DupeItem *dupe_match_highest_rank(DupeItem *child)
835 {
836         DupeMatch *dr;
837         GList *work;
838
839         dr = NULL;
840         work = child->group;
841         while (work)
842                 {
843                 DupeMatch *dm = work->data;
844                 if (!dr || dm->rank > dr->rank) dr = dm;
845                 work = work->next;
846                 }
847
848         return (dr) ? dr->di : NULL;
849 }
850
851 static void dupe_match_rank_update(DupeItem *parent)
852 {
853         GList *work;
854         gdouble rank = 0.0;
855         gint c = 0;
856
857         work = parent->group;
858         while (work)
859                 {
860                 DupeMatch *dm = work->data;
861                 work = work->next;
862                 rank += dm->rank;
863                 c++;
864                 }
865
866         if (c > 0)
867                 {
868                 parent->group_rank = rank / c;
869                 }
870         else
871                 {
872                 parent->group_rank = 0.0;
873                 }
874 }
875
876 static DupeItem *dupe_match_find_parent(DupeWindow *dw, DupeItem *child)
877 {
878         GList *work;
879
880         if (g_list_find(dw->dupes, child)) return child;
881
882         work = child->group;
883         while (work)
884                 {
885                 DupeMatch *dm = work->data;
886                 if (g_list_find(dw->dupes, dm->di)) return dm->di;
887                 work = work->next;
888                 }
889
890         return NULL;
891 }
892
893 static void dupe_match_reset_list(GList *work)
894 {
895         while (work)
896                 {
897                 DupeItem *di = work->data;
898                 work = work->next;
899
900                 dupe_match_link_clear(di, FALSE);
901                 }
902 }
903
904 static void dupe_match_reparent(DupeWindow *dw, DupeItem *old, DupeItem *new)
905 {
906         GList *work;
907
908         if (!old || !new || !dupe_match_link_exists(old, new)) return;
909
910         dupe_match_link_clear(new, TRUE);
911         work = old->group;
912         while (work)
913                 {
914                 DupeMatch *dm = work->data;
915                 dupe_match_unlink_child(old, dm->di);
916                 dupe_match_link_child(new, dm->di, dm->rank);
917                 work = work->next;
918                 }
919
920         new->group = old->group;
921         old->group = NULL;
922
923         work = g_list_find(dw->dupes, old);
924         if (work) work->data = new;
925 }
926
927 static void dupe_match_print_group(DupeItem *di)
928 {
929         GList *work;
930
931         log_printf("+ %f %s\n", di->group_rank, di->fd->name);
932
933         work = di->group;
934         while (work)
935                 {
936                 DupeMatch *dm = work->data;
937                 work = work->next;
938
939                 log_printf("  %f %s\n", dm->rank, dm->di->fd->name);
940                 }
941
942         log_printf("\n");
943 }
944
945 static void dupe_match_print_list(GList *list)
946 {
947         GList *work;
948
949         work = list;
950         while (work)
951                 {
952                 DupeItem *di = work->data;
953                 dupe_match_print_group(di);
954                 work = work->next;
955                 }
956 }
957
958 /* level 3, unlinking and orphan handling */
959 static GList *dupe_match_unlink_by_rank(DupeItem *child, DupeItem *parent, GList *list, DupeWindow *dw)
960 {
961         DupeItem *best;
962
963         best = dupe_match_highest_rank(parent);
964         if (best == child || dupe_match_highest_rank(child) == parent)
965                 {
966                 GList *work;
967                 gdouble rank;
968
969                 DEBUG_2("link found %s to %s [%d]", child->fd->name, parent->fd->name, g_list_length(parent->group));
970
971                 work = parent->group;
972                 while (work)
973                         {
974                         DupeMatch *dm = work->data;
975                         DupeItem *orphan;
976
977                         work = work->next;
978                         orphan = dm->di;
979                         if (orphan != child && g_list_length(orphan->group) < 2)
980                                 {
981                                 dupe_match_link_clear(orphan, TRUE);
982                                 if (!dw->second_set || orphan->second)
983                                         {
984                                         dupe_match(orphan, child, dw->match_mask, &rank, FALSE);
985                                         dupe_match_link(orphan, child, rank);
986                                         }
987                                 list = g_list_remove(list, orphan);
988                                 }
989                         }
990
991                 rank = dupe_match_link_rank(child, parent);
992                 dupe_match_link_clear(parent, TRUE);
993                 dupe_match_link(child, parent, rank);
994                 list = g_list_remove(list, parent);
995                 }
996         else
997                 {
998                 DEBUG_2("unlinking %s and %s", child->fd->name, parent->fd->name);
999
1000                 dupe_match_unlink(child, parent);
1001                 }
1002
1003         return list;
1004 }
1005
1006 /* level 2 */
1007 static GList *dupe_match_group_filter(GList *list, DupeItem *di, DupeWindow *dw)
1008 {
1009         GList *work;
1010
1011         work = g_list_last(di->group);
1012         while (work)
1013                 {
1014                 DupeMatch *dm = work->data;
1015                 work = work->prev;
1016                 list = dupe_match_unlink_by_rank(di, dm->di, list, dw);
1017                 }
1018
1019         return list;
1020 }
1021
1022 /* level 1 (top) */
1023 static GList *dupe_match_group_trim(GList *list, DupeWindow *dw)
1024 {
1025         GList *work;
1026
1027         work = list;
1028         while (work)
1029                 {
1030                 DupeItem *di = work->data;
1031                 if (!di->second) list = dupe_match_group_filter(list, di, dw);
1032                 work = work->next;
1033                 if (di->second) list = g_list_remove(list, di);
1034                 }
1035
1036         return list;
1037 }
1038
1039 static gint dupe_match_sort_groups_cb(gconstpointer a, gconstpointer b)
1040 {
1041         DupeMatch *da = (DupeMatch *)a;
1042         DupeMatch *db = (DupeMatch *)b;
1043
1044         if (da->rank > db->rank) return -1;
1045         if (da->rank < db->rank) return 1;
1046         return 0;
1047 }
1048
1049 static void dupe_match_sort_groups(GList *list)
1050 {
1051         GList *work;
1052
1053         work = list;
1054         while (work)
1055                 {
1056                 DupeItem *di = work->data;
1057                 di->group = g_list_sort(di->group, dupe_match_sort_groups_cb);
1058                 work = work->next;
1059                 }
1060 }
1061
1062 static gint dupe_match_rank_sort_cb(gconstpointer a, gconstpointer b)
1063 {
1064         DupeItem *da = (DupeItem *)a;
1065         DupeItem *db = (DupeItem *)b;
1066
1067         if (da->group_rank > db->group_rank) return -1;
1068         if (da->group_rank < db->group_rank) return 1;
1069         return 0;
1070 }
1071
1072 /* returns allocated GList of dupes sorted by rank */
1073 static GList *dupe_match_rank_sort(GList *source_list)
1074 {
1075         GList *list = NULL;
1076         GList *work;
1077
1078         work = source_list;
1079         while (work)
1080                 {
1081                 DupeItem *di = work->data;
1082
1083                 if (di->group)
1084                         {
1085                         dupe_match_rank_update(di);
1086                         list = g_list_prepend(list, di);
1087                         }
1088
1089                 work = work->next;
1090                 }
1091
1092         return g_list_sort(list, dupe_match_rank_sort_cb);
1093 }
1094
1095 static void dupe_match_rank(DupeWindow *dw)
1096 {
1097         GList *list;
1098
1099         list = dupe_match_rank_sort(dw->list);
1100
1101         if (required_debug_level(2)) dupe_match_print_list(list);
1102
1103         DEBUG_1("Similar items: %d", g_list_length(list));
1104         list = dupe_match_group_trim(list, dw);
1105         DEBUG_1("Unique groups: %d", g_list_length(list));
1106
1107         dupe_match_sort_groups(list);
1108
1109         if (required_debug_level(2)) dupe_match_print_list(list);
1110
1111         list = dupe_match_rank_sort(list);
1112
1113         g_list_free(dw->dupes);
1114         dw->dupes = list;
1115 }
1116
1117 /*
1118  * ------------------------------------------------------------------
1119  * Match group tests
1120  * ------------------------------------------------------------------
1121  */
1122
1123 static gint dupe_match(DupeItem *a, DupeItem *b, DupeMatchType mask, gdouble *rank, gint fast)
1124 {
1125         *rank = 0.0;
1126
1127         if (a == b) return FALSE;
1128
1129         if (mask & DUPE_MATCH_PATH)
1130                 {
1131                 if (strcmp(a->fd->path, b->fd->path) != 0) return FALSE;
1132                 }
1133         if (mask & DUPE_MATCH_NAME)
1134                 {
1135                 if (strcmp(a->fd->name, b->fd->name) != 0) return FALSE;
1136                 }
1137         if (mask & DUPE_MATCH_NAME_CI)
1138                 {
1139                 if (strcasecmp(a->fd->name, b->fd->name) != 0) return FALSE;
1140                 }
1141         if (mask & DUPE_MATCH_SIZE)
1142                 {
1143                 if (a->fd->size != b->fd->size) return FALSE;
1144                 }
1145         if (mask & DUPE_MATCH_DATE)
1146                 {
1147                 if (a->fd->date != b->fd->date) return FALSE;
1148                 }
1149         if (mask & DUPE_MATCH_SUM)
1150                 {
1151                 if (!a->md5sum) a->md5sum = md5_text_from_file_utf8(a->fd->path, "");
1152                 if (!b->md5sum) b->md5sum = md5_text_from_file_utf8(b->fd->path, "");
1153                 if (a->md5sum[0] == '\0' ||
1154                     b->md5sum[0] == '\0' ||
1155                     strcmp(a->md5sum, b->md5sum) != 0) return FALSE;
1156                 }
1157         if (mask & DUPE_MATCH_DIM)
1158                 {
1159                 if (a->width == 0) image_load_dimensions(a->fd, &a->width, &a->height);
1160                 if (b->width == 0) image_load_dimensions(b->fd, &b->width, &b->height);
1161                 if (a->width != b->width || a->height != b->height) return FALSE;
1162                 }
1163         if (mask & DUPE_MATCH_SIM_HIGH ||
1164             mask & DUPE_MATCH_SIM_MED ||
1165             mask & DUPE_MATCH_SIM_LOW ||
1166             mask & DUPE_MATCH_SIM_CUSTOM)
1167                 {
1168                 gdouble f;
1169                 gdouble m;
1170
1171                 if (mask & DUPE_MATCH_SIM_HIGH) m = 0.95;
1172                 else if (mask & DUPE_MATCH_SIM_MED) m = 0.90;
1173                 else if (mask & DUPE_MATCH_SIM_CUSTOM) m = (gdouble)options->duplicates_similarity_threshold / 100.0;
1174                 else m = 0.85;
1175
1176                 if (fast)
1177                         {
1178                         f = image_sim_compare_fast(a->simd, b->simd, m);
1179                         }
1180                 else
1181                         {
1182                         f = image_sim_compare(a->simd, b->simd);
1183                         }
1184
1185                 *rank = f * 100.0;
1186
1187                 if (f < m) return FALSE;
1188
1189                 DEBUG_3("similar: %32s %32s = %f", a->fd->name, b->fd->name, f);
1190                 }
1191
1192         return TRUE;
1193 }
1194
1195 static void dupe_list_check_match(DupeWindow *dw, DupeItem *needle, GList *start)
1196 {
1197         GList *work;
1198
1199         if (dw->second_set)
1200                 {
1201                 work = dw->second_list;
1202                 }
1203         else if (start)
1204                 {
1205                 work = start;
1206                 }
1207         else
1208                 {
1209                 work = g_list_last(dw->list);
1210                 }
1211
1212         while (work)
1213                 {
1214                 DupeItem *di = work->data;
1215
1216                 /* speed opt: forward for second set, back for simple compare */
1217                 if (dw->second_set)
1218                         work = work->next;
1219                 else
1220                         work = work->prev;
1221
1222                 if (!dupe_match_link_exists(needle, di))
1223                         {
1224                         gdouble rank;
1225
1226                         if (dupe_match(di, needle, dw->match_mask, &rank, TRUE))
1227                                 {
1228                                 dupe_match_link(di, needle, rank);
1229                                 }
1230                         }
1231                 }
1232 }
1233
1234 /*
1235  * ------------------------------------------------------------------
1236  * Thumbnail handling
1237  * ------------------------------------------------------------------
1238  */
1239
1240 static void dupe_listview_set_thumb(DupeWindow *dw, DupeItem *di, GtkTreeIter *iter)
1241 {
1242         GtkListStore *store;
1243         GtkTreeIter iter_n;
1244
1245         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
1246         if (!iter)
1247                 {
1248                 if (dupe_listview_find_item(store, di, &iter_n) >= 0)
1249                         {
1250                         iter = &iter_n;
1251                         }
1252                 }
1253
1254         if (iter) gtk_list_store_set(store, iter, DUPE_COLUMN_THUMB, di->pixbuf, -1);
1255 }
1256
1257 static void dupe_thumb_do(DupeWindow *dw)
1258 {
1259         DupeItem *di;
1260
1261         if (!dw->thumb_loader || !dw->thumb_item) return;
1262         di = dw->thumb_item;
1263
1264         if (di->pixbuf) g_object_unref(di->pixbuf);
1265         di->pixbuf = thumb_loader_get_pixbuf(dw->thumb_loader, TRUE);
1266
1267         dupe_listview_set_thumb(dw, di, NULL);
1268 }
1269
1270 static void dupe_thumb_error_cb(ThumbLoader *tl, gpointer data)
1271 {
1272         DupeWindow *dw = data;
1273
1274         dupe_thumb_do(dw);
1275         dupe_thumb_step(dw);
1276 }
1277
1278 static void dupe_thumb_done_cb(ThumbLoader *tl, gpointer data)
1279 {
1280         DupeWindow *dw = data;
1281
1282         dupe_thumb_do(dw);
1283         dupe_thumb_step(dw);
1284 }
1285
1286 static void dupe_thumb_step(DupeWindow *dw)
1287 {
1288         GtkTreeModel *store;
1289         GtkTreeIter iter;
1290         DupeItem *di = NULL;
1291         gint valid;
1292         gint row = 0;
1293         gint length = 0;
1294
1295         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
1296         valid = gtk_tree_model_get_iter_first(store, &iter);
1297
1298         while (!di && valid)
1299                 {
1300                 GdkPixbuf *pixbuf;
1301
1302                 length++;
1303                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, DUPE_COLUMN_THUMB, &pixbuf, -1);
1304                 if (pixbuf || di->pixbuf)
1305                         {
1306                         if (!pixbuf) gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_THUMB, di->pixbuf, -1);
1307                         row++;
1308                         di = NULL;
1309                         }
1310                 valid = gtk_tree_model_iter_next(store, &iter);
1311                 }
1312         if (valid)
1313                 {
1314                 while (gtk_tree_model_iter_next(store, &iter)) length++;
1315                 }
1316
1317         if (!di)
1318                 {
1319                 dw->thumb_item = NULL;
1320                 thumb_loader_free(dw->thumb_loader);
1321                 dw->thumb_loader = NULL;
1322
1323                 dupe_window_update_progress(dw, NULL, 0.0, FALSE);
1324                 return;
1325                 }
1326
1327         dupe_window_update_progress(dw, _("Loading thumbs..."),
1328                                     length == 0 ? 0.0 : (gdouble)(row) / length, FALSE);
1329
1330         dw->thumb_item = di;
1331         thumb_loader_free(dw->thumb_loader);
1332         dw->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
1333
1334         thumb_loader_set_callbacks(dw->thumb_loader,
1335                                    dupe_thumb_done_cb,
1336                                    dupe_thumb_error_cb,
1337                                    NULL,
1338                                    dw);
1339
1340         /* start it */
1341         if (!thumb_loader_start(dw->thumb_loader, di->fd->path))
1342                 {
1343                 /* error, handle it, do next */
1344                 DEBUG_1("error loading thumb for %s", di->fd->path);
1345                 dupe_thumb_do(dw);
1346                 dupe_thumb_step(dw);
1347                 }
1348 }
1349
1350 /*
1351  * ------------------------------------------------------------------
1352  * Dupe checking loop
1353  * ------------------------------------------------------------------
1354  */
1355
1356 static void dupe_check_stop(DupeWindow *dw)
1357 {
1358         if (dw->idle_id != -1 || dw->img_loader || dw->thumb_loader)
1359                 {
1360                 g_source_remove(dw->idle_id);
1361                 dw->idle_id = -1;
1362                 dupe_window_update_progress(dw, NULL, 0.0, FALSE);
1363                 widget_set_cursor(dw->listview, -1);
1364                 }
1365
1366         thumb_loader_free(dw->thumb_loader);
1367         dw->thumb_loader = NULL;
1368
1369         image_loader_free(dw->img_loader);
1370         dw->img_loader = NULL;
1371 }
1372
1373 static void dupe_loader_done_cb(ImageLoader *il, gpointer data)
1374 {
1375         DupeWindow *dw = data;
1376         GdkPixbuf *pixbuf;
1377
1378         pixbuf = image_loader_get_pixbuf(il);
1379
1380         if (dw->setup_point)
1381                 {
1382                 DupeItem *di = dw->setup_point->data;
1383
1384                 if (!di->simd)
1385                         {
1386                         di->simd = image_sim_new_from_pixbuf(pixbuf);
1387                         }
1388                 else
1389                         {
1390                         image_sim_fill_data(di->simd, pixbuf);
1391                         }
1392
1393                 if (di->width == 0 && di->height == 0)
1394                         {
1395                         di->width = gdk_pixbuf_get_width(pixbuf);
1396                         di->height = gdk_pixbuf_get_height(pixbuf);
1397                         }
1398                 if (options->thumbnails.enable_caching)
1399                         {
1400                         dupe_item_write_cache(di);
1401                         }
1402
1403                 image_sim_alternate_processing(di->simd);
1404                 }
1405
1406         image_loader_free(dw->img_loader);
1407         dw->img_loader = NULL;
1408
1409         dw->idle_id = g_idle_add(dupe_check_cb, dw);
1410 }
1411
1412 static void dupe_setup_reset(DupeWindow *dw)
1413 {
1414         dw->setup_point = NULL;
1415         dw->setup_n = 0;
1416         dw->setup_time = msec_time();
1417         dw->setup_time_count = 0;
1418 }
1419
1420 static GList *dupe_setup_point_step(DupeWindow *dw, GList *p)
1421 {
1422         if (!p) return NULL;
1423
1424         if (p->next) return p->next;
1425
1426         if (dw->second_set && g_list_first(p) == dw->list) return dw->second_list;
1427
1428         return NULL;
1429 }
1430
1431 static gint dupe_check_cb(gpointer data)
1432 {
1433         DupeWindow *dw = data;
1434
1435         if (dw->idle_id == -1) return FALSE;
1436
1437         if (!dw->setup_done)
1438                 {
1439                 if ((dw->match_mask & DUPE_MATCH_SUM) &&
1440                     !(dw->setup_mask & DUPE_MATCH_SUM) )
1441                         {
1442                         if (!dw->setup_point) dw->setup_point = dw->list;
1443
1444                         while (dw->setup_point)
1445                                 {
1446                                 DupeItem *di = dw->setup_point->data;
1447
1448                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
1449                                 dw->setup_n++;
1450
1451                                 if (!di->md5sum)
1452                                         {
1453                                         dupe_window_update_progress(dw, _("Reading checksums..."),
1454                                                 dw->setup_count == 0 ? 0.0 : (gdouble)(dw->setup_n - 1) / dw->setup_count, FALSE);
1455
1456                                         if (options->thumbnails.enable_caching)
1457                                                 {
1458                                                 dupe_item_read_cache(di);
1459                                                 if (di->md5sum) return TRUE;
1460                                                 }
1461
1462                                         di->md5sum = md5_text_from_file_utf8(di->fd->path, "");
1463                                         if (options->thumbnails.enable_caching)
1464                                                 {
1465                                                 dupe_item_write_cache(di);
1466                                                 }
1467                                         return TRUE;
1468                                         }
1469                                 }
1470                         dw->setup_mask |= DUPE_MATCH_SUM;
1471                         dupe_setup_reset(dw);
1472                         }
1473                 if ((dw->match_mask & DUPE_MATCH_DIM) &&
1474                     !(dw->setup_mask & DUPE_MATCH_DIM) )
1475                         {
1476                         if (!dw->setup_point) dw->setup_point = dw->list;
1477
1478                         while (dw->setup_point)
1479                                 {
1480                                 DupeItem *di = dw->setup_point->data;
1481
1482                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
1483                                 dw->setup_n++;
1484                                 if (di->width == 0 && di->height == 0)
1485                                         {
1486                                         dupe_window_update_progress(dw, _("Reading dimensions..."),
1487                                                 dw->setup_count == 0 ? 0.0 : (gdouble)(dw->setup_n - 1) / dw->setup_count, FALSE);
1488
1489                                         if (options->thumbnails.enable_caching)
1490                                                 {
1491                                                 dupe_item_read_cache(di);
1492                                                 if (di->width != 0 || di->height != 0) return TRUE;
1493                                                 }
1494
1495                                         image_load_dimensions(di->fd, &di->width, &di->height);
1496                                         if (options->thumbnails.enable_caching)
1497                                                 {
1498                                                 dupe_item_write_cache(di);
1499                                                 }
1500                                         return TRUE;
1501                                         }
1502                                 }
1503                         dw->setup_mask |= DUPE_MATCH_DIM;
1504                         dupe_setup_reset(dw);
1505                         }
1506                 if ((dw->match_mask & DUPE_MATCH_SIM_HIGH ||
1507                      dw->match_mask & DUPE_MATCH_SIM_MED ||
1508                      dw->match_mask & DUPE_MATCH_SIM_LOW ||
1509                      dw->match_mask & DUPE_MATCH_SIM_CUSTOM) &&
1510                     !(dw->setup_mask & DUPE_MATCH_SIM_MED) )
1511                         {
1512                         if (!dw->setup_point) dw->setup_point = dw->list;
1513
1514                         while (dw->setup_point)
1515                                 {
1516                                 DupeItem *di = dw->setup_point->data;
1517
1518                                 if (!di->simd)
1519                                         {
1520                                         dupe_window_update_progress(dw, _("Reading similarity data..."),
1521                                                 dw->setup_count == 0 ? 0.0 : (gdouble)dw->setup_n / dw->setup_count, FALSE);
1522
1523                                         if (options->thumbnails.enable_caching)
1524                                                 {
1525                                                 dupe_item_read_cache(di);
1526                                                 if (cache_sim_data_filled(di->simd))
1527                                                         {
1528                                                         image_sim_alternate_processing(di->simd);
1529                                                         return TRUE;
1530                                                         }
1531                                                 }
1532
1533                                         dw->img_loader = image_loader_new(di->fd);
1534                                         image_loader_set_buffer_size(dw->img_loader, 8);
1535                                         image_loader_set_error_func(dw->img_loader, dupe_loader_done_cb, dw);
1536
1537                                         if (!image_loader_start(dw->img_loader, dupe_loader_done_cb, dw))
1538                                                 {
1539                                                 image_sim_free(di->simd);
1540                                                 di->simd = image_sim_new();
1541                                                 image_loader_free(dw->img_loader);
1542                                                 dw->img_loader = NULL;
1543                                                 return TRUE;
1544                                                 }
1545                                         dw->idle_id = -1;
1546                                         return FALSE;
1547                                         }
1548
1549                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
1550                                 dw->setup_n++;
1551                                 }
1552                         dw->setup_mask |= DUPE_MATCH_SIM_MED;
1553                         dupe_setup_reset(dw);
1554                         }
1555                 dupe_window_update_progress(dw, _("Comparing..."), 0.0, FALSE);
1556                 dw->setup_done = TRUE;
1557                 dupe_setup_reset(dw);
1558                 dw->setup_count = g_list_length(dw->list);
1559                 }
1560
1561         if (!dw->working)
1562                 {
1563                 if (dw->setup_count > 0)
1564                         {
1565                         dw->setup_count = 0;
1566                         dupe_window_update_progress(dw, _("Sorting..."), 1.0, TRUE);
1567                         return TRUE;
1568                         }
1569                 dw->idle_id = -1;
1570                 dupe_window_update_progress(dw, NULL, 0.0, FALSE);
1571
1572                 dupe_match_rank(dw);
1573                 dupe_window_update_count(dw, FALSE);
1574
1575                 dupe_listview_populate(dw);
1576
1577                 /* check thumbs */
1578                 if (dw->show_thumbs) dupe_thumb_step(dw);
1579
1580                 widget_set_cursor(dw->listview, -1);
1581
1582                 return FALSE;
1583                 }
1584
1585         dupe_list_check_match(dw, (DupeItem *)dw->working->data, dw->working);
1586         dupe_window_update_progress(dw, _("Comparing..."), dw->setup_count == 0 ? 0.0 : (gdouble) dw->setup_n / dw->setup_count, FALSE);
1587         dw->setup_n++;
1588
1589         dw->working = dw->working->prev;
1590
1591         return TRUE;
1592 }
1593
1594 static void dupe_check_start(DupeWindow *dw)
1595 {
1596         dw->setup_done = FALSE;
1597
1598         dw->setup_count = g_list_length(dw->list);
1599         if (dw->second_set) dw->setup_count += g_list_length(dw->second_list);
1600
1601         dw->setup_mask = 0;
1602         dupe_setup_reset(dw);
1603
1604         dw->working = g_list_last(dw->list);
1605
1606         dupe_window_update_count(dw, TRUE);
1607         widget_set_cursor(dw->listview, GDK_WATCH);
1608
1609         if (dw->idle_id != -1) return;
1610
1611         dw->idle_id = g_idle_add(dupe_check_cb, dw);
1612 }
1613
1614 /*
1615  * ------------------------------------------------------------------
1616  * Item addition, removal
1617  * ------------------------------------------------------------------
1618  */
1619
1620 static void dupe_item_remove(DupeWindow *dw, DupeItem *di)
1621 {
1622         if (!di) return;
1623
1624         /* handle things that may be in progress... */
1625         if (dw->working && dw->working->data == di)
1626                 {
1627                 dw->working = dw->working->prev;
1628                 }
1629         if (dw->thumb_loader && dw->thumb_item == di)
1630                 {
1631                 dupe_thumb_step(dw);
1632                 }
1633         if (dw->setup_point && dw->setup_point->data == di)
1634                 {
1635                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
1636                 if (dw->img_loader)
1637                         {
1638                         image_loader_free(dw->img_loader);
1639                         dw->img_loader = NULL;
1640                         dw->idle_id = g_idle_add(dupe_check_cb, dw);
1641                         }
1642                 }
1643
1644         if (di->group && dw->dupes)
1645                 {
1646                 /* is a dupe, must remove from group/reset children if a parent */
1647                 DupeItem *parent;
1648
1649                 parent = dupe_match_find_parent(dw, di);
1650                 if (di == parent)
1651                         {
1652                         if (g_list_length(parent->group) < 2)
1653                                 {
1654                                 DupeItem *child;
1655
1656                                 child = dupe_match_highest_rank(parent);
1657                                 dupe_match_link_clear(child, TRUE);
1658                                 dupe_listview_remove(dw, child);
1659
1660                                 dupe_match_link_clear(parent, TRUE);
1661                                 dupe_listview_remove(dw, parent);
1662                                 dw->dupes = g_list_remove(dw->dupes, parent);
1663                                 }
1664                         else
1665                                 {
1666                                 DupeItem *new_parent;
1667                                 DupeMatch *dm;
1668
1669                                 dm = parent->group->data;
1670                                 new_parent = dm->di;
1671                                 dupe_match_reparent(dw, parent, new_parent);
1672                                 dupe_listview_remove(dw, parent);
1673                                 }
1674                         }
1675                 else
1676                         {
1677                         if (g_list_length(parent->group) < 2)
1678                                 {
1679                                 dupe_match_link_clear(parent, TRUE);
1680                                 dupe_listview_remove(dw, parent);
1681                                 dw->dupes = g_list_remove(dw->dupes, parent);
1682                                 }
1683                         dupe_match_link_clear(di, TRUE);
1684                         dupe_listview_remove(dw, di);
1685                         }
1686                 }
1687         else
1688                 {
1689                 /* not a dupe, or not sorted yet, simply reset */
1690                 dupe_match_link_clear(di, TRUE);
1691                 }
1692
1693         if (dw->second_list && g_list_find(dw->second_list, di))
1694                 {
1695                 dupe_second_remove(dw, di);
1696                 }
1697         else
1698                 {
1699                 dw->list = g_list_remove(dw->list, di);
1700                 }
1701         dupe_item_free(di);
1702
1703         dupe_window_update_count(dw, FALSE);
1704 }
1705
1706 static gint dupe_item_remove_by_path(DupeWindow *dw, const gchar *path)
1707 {
1708         DupeItem *di;
1709
1710         di = dupe_item_find_path(dw, path);
1711         if (!di) return FALSE;
1712
1713         dupe_item_remove(dw, di);
1714
1715         return TRUE;
1716 }
1717
1718 static void dupe_files_add(DupeWindow *dw, CollectionData *collection, CollectInfo *info,
1719                            FileData *fd, gint recurse)
1720 {
1721         DupeItem *di = NULL;
1722
1723         if (info)
1724                 {
1725                 di = dupe_item_new(info->fd);
1726                 }
1727         else if (fd)
1728                 {
1729                 if (isfile(fd->path))
1730                         {
1731                         di = dupe_item_new(fd);
1732                         }
1733                 else if (isdir(fd->path) && recurse)
1734                         {
1735                         GList *f, *d;
1736
1737                         if (filelist_read(fd->path, &f, &d))
1738                                 {
1739                                 GList *work;
1740
1741                                 f = filelist_filter(f, FALSE);
1742                                 d = filelist_filter(d, TRUE);
1743
1744                                 work = f;
1745                                 while (work)
1746                                         {
1747                                         dupe_files_add(dw, NULL, NULL, (FileData *)work->data, TRUE);
1748                                         work = work->next;
1749                                         }
1750                                 filelist_free(f);
1751                                 work = d;
1752                                 while (work)
1753                                         {
1754                                         dupe_files_add(dw, NULL, NULL, (FileData *)work->data, TRUE);
1755                                         work = work->next;
1756                                         }
1757                                 filelist_free(d);
1758                                 }
1759                         }
1760                 }
1761
1762         if (!di) return;
1763
1764         if (dw->second_drop)
1765                 {
1766                 dupe_second_add(dw, di);
1767                 }
1768         else
1769                 {
1770                 dw->list = g_list_prepend(dw->list, di);
1771                 }
1772 }
1773
1774 void dupe_window_add_collection(DupeWindow *dw, CollectionData *collection)
1775 {
1776         CollectInfo *info;
1777
1778         info = collection_get_first(collection);
1779         while (info)
1780                 {
1781                 dupe_files_add(dw, collection, info, NULL, FALSE);
1782                 info = collection_next_by_info(collection, info);
1783                 }
1784
1785         dupe_check_start(dw);
1786 }
1787
1788 void dupe_window_add_files(DupeWindow *dw, GList *list, gint recurse)
1789 {
1790         GList *work;
1791
1792         work = list;
1793         while (work)
1794                 {
1795                 FileData *fd = work->data;
1796                 work = work->next;
1797
1798                 dupe_files_add(dw, NULL, NULL, fd, recurse);
1799                 }
1800
1801         dupe_check_start(dw);
1802 }
1803
1804 static void dupe_item_update(DupeWindow *dw, DupeItem *di)
1805 {
1806         if ( (dw->match_mask & DUPE_MATCH_NAME) || (dw->match_mask & DUPE_MATCH_PATH || (dw->match_mask & DUPE_MATCH_NAME_CI)) )
1807                 {
1808                 /* only effects matches on name or path */
1809 /*
1810                 FileData *fd = file_data_ref(di->fd);
1811                 gint second;
1812
1813                 second = di->second;
1814                 dupe_item_remove(dw, di);
1815
1816                 dw->second_drop = second;
1817                 dupe_files_add(dw, NULL, NULL, fd, FALSE);
1818                 dw->second_drop = FALSE;
1819
1820                 file_data_unref(fd);
1821 */
1822                 dupe_check_start(dw);
1823                 }
1824         else
1825                 {
1826                 GtkListStore *store;
1827                 GtkTreeIter iter;
1828                 gint row;
1829                 /* update the listview(s) */
1830
1831                 store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
1832                 row = dupe_listview_find_item(store, di, &iter);
1833                 if (row >= 0)
1834                         {
1835                         gtk_list_store_set(store, &iter,
1836                                            DUPE_COLUMN_NAME, di->fd->name,
1837                                            DUPE_COLUMN_PATH, di->fd->path, -1);
1838                         }
1839
1840                 if (dw->second_listview)
1841                         {
1842                         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
1843                         row = dupe_listview_find_item(store, di, &iter);
1844                         if (row >= 0)
1845                                 {
1846                                 gtk_list_store_set(store, &iter, 1, di->fd->path, -1);
1847                                 }
1848                         }
1849                 }
1850
1851 }
1852
1853 static void dupe_item_update_fd_in_list(DupeWindow *dw, FileData *fd, GList *work)
1854 {
1855         while (work)
1856                 {
1857                 DupeItem *di = work->data;
1858
1859                 if (di->fd == fd)
1860                         dupe_item_update(dw, di);
1861
1862                 work = work->next;
1863                 }
1864 }
1865
1866 static void dupe_item_update_fd(DupeWindow *dw, FileData *fd)
1867 {
1868         dupe_item_update_fd_in_list(dw, fd, dw->list);
1869         if (dw->second_set) dupe_item_update_fd_in_list(dw, fd, dw->second_list);
1870 }
1871
1872
1873 /*
1874  * ------------------------------------------------------------------
1875  * Misc.
1876  * ------------------------------------------------------------------
1877  */
1878
1879 static GtkWidget *dupe_display_label(GtkWidget *vbox, const gchar *description, const gchar *text)
1880 {
1881         GtkWidget *hbox;
1882         GtkWidget *label;
1883
1884         hbox = gtk_hbox_new(FALSE, 10);
1885
1886         label = gtk_label_new(description);
1887         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
1888         gtk_widget_show(label);
1889
1890         label = gtk_label_new(text);
1891         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
1892         gtk_widget_show(label);
1893
1894         gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
1895         gtk_widget_show(hbox);
1896
1897         return label;
1898 }
1899
1900 static void dupe_display_stats(DupeWindow *dw, DupeItem *di)
1901 {
1902         GenericDialog *gd;
1903         gchar *buf;
1904
1905         if (!di) return;
1906
1907         gd = file_util_gen_dlg("Image thumbprint debug info", GQ_WMCLASS, "thumbprint",
1908                                dw->window, TRUE,
1909                                NULL, NULL);
1910         generic_dialog_add_button(gd, GTK_STOCK_CLOSE, NULL, NULL, TRUE);
1911
1912         dupe_display_label(gd->vbox, "name:", di->fd->name);
1913         buf = text_from_size(di->fd->size);
1914         dupe_display_label(gd->vbox, "size:", buf);
1915         g_free(buf);
1916         dupe_display_label(gd->vbox, "date:", text_from_time(di->fd->date));
1917         buf = g_strdup_printf("%d x %d", di->width, di->height);
1918         dupe_display_label(gd->vbox, "dimensions:", buf);
1919         g_free(buf);
1920         dupe_display_label(gd->vbox, "md5sum:", (di->md5sum) ? di->md5sum : "not generated");
1921
1922         dupe_display_label(gd->vbox, "thumbprint:", (di->simd) ? "" : "not generated");
1923         if (di->simd)
1924                 {
1925                 GtkWidget *image;
1926                 GdkPixbuf *pixbuf;
1927                 gint x, y;
1928                 guchar *d_pix;
1929                 guchar *dp;
1930                 gint rs;
1931                 gint sp;
1932
1933                 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
1934                 rs = gdk_pixbuf_get_rowstride(pixbuf);
1935                 d_pix = gdk_pixbuf_get_pixels(pixbuf);
1936
1937                 for (y = 0; y < 32; y++)
1938                         {
1939                         dp = d_pix + (y * rs);
1940                         sp = y * 32;
1941                         for (x = 0; x < 32; x++)
1942                                 {
1943                                 *(dp++) = di->simd->avg_r[sp + x];
1944                                 *(dp++) = di->simd->avg_g[sp + x];
1945                                 *(dp++) = di->simd->avg_b[sp + x];
1946                                 }
1947                         }
1948
1949                 image = gtk_image_new_from_pixbuf(pixbuf);
1950                 gtk_box_pack_start(GTK_BOX(gd->vbox), image, FALSE, FALSE, 0);
1951                 gtk_widget_show(image);
1952
1953                 gdk_pixbuf_unref(pixbuf);
1954                 }
1955
1956         gtk_widget_show(gd->dialog);
1957 }
1958
1959 static void dupe_window_recompare(DupeWindow *dw)
1960 {
1961         GtkListStore *store;
1962
1963         dupe_check_stop(dw);
1964
1965         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
1966         gtk_list_store_clear(store);
1967
1968         g_list_free(dw->dupes);
1969         dw->dupes = NULL;
1970
1971         dupe_match_reset_list(dw->list);
1972         dupe_match_reset_list(dw->second_list);
1973
1974         dupe_check_start(dw);
1975 }
1976
1977 static void dupe_menu_view(DupeWindow *dw, DupeItem *di, GtkWidget *listview, gint new_window)
1978 {
1979         if (!di) return;
1980
1981         if (di->collection && collection_info_valid(di->collection, di->info))
1982                 {
1983                 if (new_window)
1984                         {
1985                         view_window_new_from_collection(di->collection, di->info);
1986                         }
1987                 else
1988                         {
1989                         layout_image_set_collection(NULL, di->collection, di->info);
1990                         }
1991                 }
1992         else
1993                 {
1994                 if (new_window)
1995                         {
1996                         GList *list;
1997
1998                         list = dupe_listview_get_selection(dw, listview);
1999                         view_window_new_from_list(list);
2000                         filelist_free(list);
2001                         }
2002                 else
2003                         {
2004                         layout_image_set_fd(NULL, di->fd);
2005                         }
2006                 }
2007 }
2008
2009 static void dupe_window_remove_selection(DupeWindow *dw, GtkWidget *listview)
2010 {
2011         GtkTreeSelection *selection;
2012         GtkTreeModel *store;
2013         GtkTreeIter iter;
2014         GList *slist;
2015         GList *list = NULL;
2016         GList *work;
2017
2018         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
2019         slist = gtk_tree_selection_get_selected_rows(selection, &store);
2020         work = slist;
2021         while (work)
2022                 {
2023                 GtkTreePath *tpath = work->data;
2024                 DupeItem *di = NULL;
2025
2026                 gtk_tree_model_get_iter(store, &iter, tpath);
2027                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
2028                 if (di) list = g_list_prepend(list, di);
2029                 work = work->next;
2030                 }
2031         g_list_foreach(slist, (GFunc)gtk_tree_path_free, NULL);
2032         g_list_free(slist);
2033
2034         dw->color_frozen = TRUE;
2035         work = list;
2036         while (work)
2037                 {
2038                 DupeItem *di;
2039
2040                 di = work->data;
2041                 work = work->next;
2042                 dupe_item_remove(dw, di);
2043                 }
2044         dw->color_frozen = FALSE;
2045
2046         g_list_free(list);
2047
2048         dupe_listview_realign_colors(dw);
2049 }
2050
2051 static void dupe_window_edit_selected(DupeWindow *dw, gint n)
2052 {
2053         GList *list;
2054
2055         list = dupe_listview_get_selection(dw, dw->listview);
2056
2057         file_util_start_editor_from_filelist(n, list, dw->window);
2058
2059         filelist_free(list);
2060 }
2061
2062 static void dupe_window_collection_from_selection(DupeWindow *dw)
2063 {
2064         CollectWindow *w;
2065         GList *list;
2066
2067         list = dupe_listview_get_selection(dw, dw->listview);
2068         w = collection_window_new(NULL);
2069         collection_table_add_filelist(w->table, list);
2070         filelist_free(list);
2071 }
2072
2073 static void dupe_window_append_file_list(DupeWindow *dw, gint on_second)
2074 {
2075         GList *list;
2076
2077         dw->second_drop = (dw->second_set && on_second);
2078
2079         list = layout_list(NULL);
2080         dupe_window_add_files(dw, list, FALSE);
2081         filelist_free(list);
2082 }
2083
2084 /*
2085  *-------------------------------------------------------------------
2086  * main pop-up menu callbacks
2087  *-------------------------------------------------------------------
2088  */
2089
2090 static void dupe_menu_view_cb(GtkWidget *widget, gpointer data)
2091 {
2092         DupeWindow *dw = data;
2093
2094         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->listview, FALSE);
2095 }
2096
2097 static void dupe_menu_viewnew_cb(GtkWidget *widget, gpointer data)
2098 {
2099         DupeWindow *dw = data;
2100
2101         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->listview, TRUE);
2102 }
2103
2104 static void dupe_menu_select_all_cb(GtkWidget *widget, gpointer data)
2105 {
2106         DupeWindow *dw = data;
2107         GtkTreeSelection *selection;
2108
2109         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
2110         gtk_tree_selection_select_all(selection);
2111 }
2112
2113 static void dupe_menu_select_none_cb(GtkWidget *widget, gpointer data)
2114 {
2115         DupeWindow *dw = data;
2116         GtkTreeSelection *selection;
2117
2118         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
2119         gtk_tree_selection_unselect_all(selection);
2120 }
2121
2122 static void dupe_menu_select_dupes_set1_cb(GtkWidget *widget, gpointer data)
2123 {
2124         DupeWindow *dw = data;
2125
2126         dupe_listview_select_dupes(dw, TRUE);
2127 }
2128
2129 static void dupe_menu_select_dupes_set2_cb(GtkWidget *widget, gpointer data)
2130 {
2131         DupeWindow *dw = data;
2132
2133         dupe_listview_select_dupes(dw, FALSE);
2134 }
2135
2136 static void dupe_menu_edit_cb(GtkWidget *widget, gpointer data)
2137 {
2138         DupeWindow *dw;
2139         gint n;
2140
2141         dw = submenu_item_get_data(widget);
2142         n = GPOINTER_TO_INT(data);
2143         if (!dw) return;
2144
2145         dupe_window_edit_selected(dw, n);
2146 }
2147
2148 static void dupe_menu_info_cb(GtkWidget *widget, gpointer data)
2149 {
2150         DupeWindow *dw = data;
2151
2152         info_window_new(NULL, dupe_listview_get_selection(dw, dw->listview), NULL);
2153 }
2154
2155 static void dupe_menu_collection_cb(GtkWidget *widget, gpointer data)
2156 {
2157         DupeWindow *dw = data;
2158
2159         dupe_window_collection_from_selection(dw);
2160 }
2161
2162 static void dupe_menu_print_cb(GtkWidget *widget, gpointer data)
2163 {
2164         DupeWindow *dw = data;
2165         FileData *fd;
2166
2167         fd = (dw->click_item) ? dw->click_item->fd : NULL;
2168
2169         print_window_new(fd,
2170                          dupe_listview_get_selection(dw, dw->listview),
2171                          dupe_listview_get_filelist(dw, dw->listview), dw->window);
2172 }
2173
2174 static void dupe_menu_copy_cb(GtkWidget *widget, gpointer data)
2175 {
2176         DupeWindow *dw = data;
2177
2178         file_util_copy(NULL, dupe_listview_get_selection(dw, dw->listview), NULL, dw->window);
2179 }
2180
2181 static void dupe_menu_move_cb(GtkWidget *widget, gpointer data)
2182 {
2183         DupeWindow *dw = data;
2184
2185         file_util_move(NULL, dupe_listview_get_selection(dw, dw->listview), NULL, dw->window);
2186 }
2187
2188 static void dupe_menu_rename_cb(GtkWidget *widget, gpointer data)
2189 {
2190         DupeWindow *dw = data;
2191
2192         file_util_rename(NULL, dupe_listview_get_selection(dw, dw->listview), dw->window);
2193 }
2194
2195 static void dupe_menu_delete_cb(GtkWidget *widget, gpointer data)
2196 {
2197         DupeWindow *dw = data;
2198
2199         file_util_delete(NULL, dupe_listview_get_selection(dw, dw->listview), dw->window);
2200 }
2201
2202 static void dupe_menu_copy_path_cb(GtkWidget *widget, gpointer data)
2203 {
2204         DupeWindow *dw = data;
2205
2206         file_util_copy_path_list_to_clipboard(dupe_listview_get_selection(dw, dw->listview));
2207 }
2208
2209 static void dupe_menu_remove_cb(GtkWidget *widget, gpointer data)
2210 {
2211         DupeWindow *dw = data;
2212
2213         dupe_window_remove_selection(dw, dw->listview);
2214 }
2215
2216 static void dupe_menu_clear_cb(GtkWidget *widget, gpointer data)
2217 {
2218         DupeWindow *dw = data;
2219
2220         dupe_window_clear(dw);
2221 }
2222
2223 static void dupe_menu_close_cb(GtkWidget *widget, gpointer data)
2224 {
2225         DupeWindow *dw = data;
2226
2227         dupe_window_close(dw);
2228 }
2229
2230 static GtkWidget *dupe_menu_popup_main(DupeWindow *dw, DupeItem *di)
2231 {
2232         GtkWidget *menu;
2233         GtkWidget *item;
2234         gint on_row;
2235
2236         on_row = (di != NULL);
2237
2238         menu = popup_menu_short_lived();
2239         menu_item_add_sensitive(menu, _("_View"), on_row,
2240                                 G_CALLBACK(dupe_menu_view_cb), dw);
2241         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, on_row,
2242                                 G_CALLBACK(dupe_menu_viewnew_cb), dw);
2243         menu_item_add_divider(menu);
2244         menu_item_add_sensitive(menu, _("Select all"), (dw->dupes != NULL),
2245                                 G_CALLBACK(dupe_menu_select_all_cb), dw);
2246         menu_item_add_sensitive(menu, _("Select none"), (dw->dupes != NULL),
2247                                 G_CALLBACK(dupe_menu_select_none_cb), dw);
2248         menu_item_add_sensitive(menu, _("Select group _1 duplicates"), (dw->dupes != NULL),
2249                                 G_CALLBACK(dupe_menu_select_dupes_set1_cb), dw);
2250         menu_item_add_sensitive(menu, _("Select group _2 duplicates"), (dw->dupes != NULL),
2251                                 G_CALLBACK(dupe_menu_select_dupes_set2_cb), dw);
2252         menu_item_add_divider(menu);
2253         submenu_add_edit(menu, &item, G_CALLBACK(dupe_menu_edit_cb), dw);
2254         if (!on_row) gtk_widget_set_sensitive(item, FALSE);
2255         menu_item_add_stock_sensitive(menu, _("_Properties"), GTK_STOCK_PROPERTIES, on_row,
2256                                 G_CALLBACK(dupe_menu_info_cb), dw);
2257         menu_item_add_stock_sensitive(menu, _("Add to new collection"), GTK_STOCK_INDEX, on_row,
2258                                 G_CALLBACK(dupe_menu_collection_cb), dw);
2259         menu_item_add_stock_sensitive(menu, _("Print..."), GTK_STOCK_PRINT, on_row,
2260                                 G_CALLBACK(dupe_menu_print_cb), dw);
2261         menu_item_add_divider(menu);
2262         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, on_row,
2263                                 G_CALLBACK(dupe_menu_copy_cb), dw);
2264         menu_item_add_sensitive(menu, _("_Move..."), on_row,
2265                                 G_CALLBACK(dupe_menu_move_cb), dw);
2266         menu_item_add_sensitive(menu, _("_Rename..."), on_row,
2267                                 G_CALLBACK(dupe_menu_rename_cb), dw);
2268         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, on_row,
2269                                 G_CALLBACK(dupe_menu_delete_cb), dw);
2270         if (options->show_copy_path)
2271                 menu_item_add_sensitive(menu, _("_Copy path"), on_row,
2272                                         G_CALLBACK(dupe_menu_copy_path_cb), dw);
2273         menu_item_add_divider(menu);
2274         menu_item_add_stock_sensitive(menu, _("Rem_ove"), GTK_STOCK_REMOVE, on_row,
2275                                 G_CALLBACK(dupe_menu_remove_cb), dw);
2276         menu_item_add_stock_sensitive(menu, _("C_lear"), GTK_STOCK_CLEAR, (dw->list != NULL),
2277                                 G_CALLBACK(dupe_menu_clear_cb), dw);
2278         menu_item_add_divider(menu);
2279         menu_item_add_stock(menu, _("Close _window"), GTK_STOCK_CLOSE,
2280                             G_CALLBACK(dupe_menu_close_cb), dw);
2281
2282         return menu;
2283 }
2284
2285 static gint dupe_listview_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2286 {
2287         DupeWindow *dw = data;
2288         GtkTreeModel *store;
2289         GtkTreePath *tpath;
2290         GtkTreeIter iter;
2291         DupeItem *di = NULL;
2292
2293         store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
2294
2295         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
2296                                           &tpath, NULL, NULL, NULL))
2297                 {
2298                 gtk_tree_model_get_iter(store, &iter, tpath);
2299                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
2300                 gtk_tree_path_free(tpath);
2301                 }
2302
2303         dw->click_item = di;
2304
2305         if (bevent->button == MOUSE_BUTTON_RIGHT)
2306                 {
2307                 /* right click menu */
2308                 GtkWidget *menu;
2309
2310                 if (bevent->state & GDK_CONTROL_MASK && bevent->state & GDK_SHIFT_MASK)
2311                         {
2312                         dupe_display_stats(dw, di);
2313                         return TRUE;
2314                         }
2315                 if (widget == dw->listview)
2316                         {
2317                         menu = dupe_menu_popup_main(dw, di);
2318                         }
2319                 else
2320                         {
2321                         menu = dupe_menu_popup_second(dw, di);
2322                         }
2323                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
2324                 }
2325
2326         if (!di) return FALSE;
2327
2328         if (bevent->button == MOUSE_BUTTON_LEFT &&
2329             bevent->type == GDK_2BUTTON_PRESS)
2330                 {
2331                 dupe_menu_view(dw, di, widget, FALSE);
2332                 }
2333
2334         if (bevent->button == MOUSE_BUTTON_MIDDLE) return TRUE;
2335
2336         if (bevent->button == MOUSE_BUTTON_RIGHT)
2337                 {
2338                 if (!dupe_listview_item_is_selected(dw, di, widget))
2339                         {
2340                         GtkTreeSelection *selection;
2341
2342                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
2343                         gtk_tree_selection_unselect_all(selection);
2344                         gtk_tree_selection_select_iter(selection, &iter);
2345
2346                         tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
2347                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
2348                         gtk_tree_path_free(tpath);
2349                         }
2350
2351                 return TRUE;
2352                 }
2353
2354         if (bevent->button == MOUSE_BUTTON_LEFT &&
2355             bevent->type == GDK_BUTTON_PRESS &&
2356             !(bevent->state & GDK_SHIFT_MASK ) &&
2357             !(bevent->state & GDK_CONTROL_MASK ) &&
2358             dupe_listview_item_is_selected(dw, di, widget))
2359                 {
2360                 /* this selection handled on release_cb */
2361                 gtk_widget_grab_focus(widget);
2362                 return TRUE;
2363                 }
2364
2365         return FALSE;
2366 }
2367
2368 static gint dupe_listview_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
2369 {
2370         DupeWindow *dw = data;
2371         GtkTreeModel *store;
2372         GtkTreePath *tpath;
2373         GtkTreeIter iter;
2374         DupeItem *di = NULL;
2375
2376         if (bevent->button != MOUSE_BUTTON_LEFT && bevent->button != MOUSE_BUTTON_MIDDLE) return TRUE;
2377
2378         store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
2379
2380         if ((bevent->x != 0 || bevent->y != 0) &&
2381             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
2382                                           &tpath, NULL, NULL, NULL))
2383                 {
2384                 gtk_tree_model_get_iter(store, &iter, tpath);
2385                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
2386                 gtk_tree_path_free(tpath);
2387                 }
2388
2389         if (bevent->button == MOUSE_BUTTON_MIDDLE)
2390                 {
2391                 if (di && dw->click_item == di)
2392                         {
2393                         GtkTreeSelection *selection;
2394
2395                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
2396                         if (dupe_listview_item_is_selected(dw, di, widget))
2397                                 {
2398                                 gtk_tree_selection_unselect_iter(selection, &iter);
2399                                 }
2400                         else
2401                                 {
2402                                 gtk_tree_selection_select_iter(selection, &iter);
2403                                 }
2404                         }
2405                 return TRUE;
2406                 }
2407
2408         if (di && dw->click_item == di &&
2409             !(bevent->state & GDK_SHIFT_MASK ) &&
2410             !(bevent->state & GDK_CONTROL_MASK ) &&
2411             dupe_listview_item_is_selected(dw, di, widget))
2412                 {
2413                 GtkTreeSelection *selection;
2414
2415                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
2416                 gtk_tree_selection_unselect_all(selection);
2417                 gtk_tree_selection_select_iter(selection, &iter);
2418
2419                 tpath = gtk_tree_model_get_path(store, &iter);
2420                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
2421                 gtk_tree_path_free(tpath);
2422
2423                 return TRUE;
2424                 }
2425
2426         return FALSE;
2427 }
2428
2429 /*
2430  *-------------------------------------------------------------------
2431  * second set stuff
2432  *-------------------------------------------------------------------
2433  */
2434
2435 static void dupe_second_update_status(DupeWindow *dw)
2436 {
2437         gchar *buf;
2438
2439         buf = g_strdup_printf(_("%d files (set 2)"), g_list_length(dw->second_list));
2440         gtk_label_set_text(GTK_LABEL(dw->second_status_label), buf);
2441         g_free(buf);
2442 }
2443
2444 static void dupe_second_add(DupeWindow *dw, DupeItem *di)
2445 {
2446         GtkListStore *store;
2447         GtkTreeIter iter;
2448
2449         if (!di) return;
2450
2451         di->second = TRUE;
2452         dw->second_list = g_list_prepend(dw->second_list, di);
2453
2454         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
2455         gtk_list_store_append(store, &iter);
2456         gtk_list_store_set(store, &iter, DUPE_COLUMN_POINTER, di, 1, di->fd->path, -1);
2457
2458         dupe_second_update_status(dw);
2459 }
2460
2461 static void dupe_second_remove(DupeWindow *dw, DupeItem *di)
2462 {
2463         GtkListStore *store;
2464         GtkTreeIter iter;
2465
2466         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
2467         if (dupe_listview_find_item(store, di, &iter) >= 0)
2468                 {
2469                 tree_view_move_cursor_away(GTK_TREE_VIEW(dw->second_listview), &iter, TRUE);
2470                 gtk_list_store_remove(store, &iter);
2471                 }
2472
2473         dw->second_list = g_list_remove(dw->second_list, di);
2474
2475         dupe_second_update_status(dw);
2476 }
2477
2478 static void dupe_second_clear(DupeWindow *dw)
2479 {
2480         GtkListStore *store;
2481
2482         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
2483         gtk_list_store_clear(store);
2484         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->second_listview));
2485
2486         g_list_free(dw->dupes);
2487         dw->dupes = NULL;
2488
2489         dupe_list_free(dw->second_list);
2490         dw->second_list = NULL;
2491
2492         dupe_match_reset_list(dw->list);
2493
2494         dupe_second_update_status(dw);
2495 }
2496
2497 static void dupe_second_menu_view_cb(GtkWidget *widget, gpointer data)
2498 {
2499         DupeWindow *dw = data;
2500
2501         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->second_listview, FALSE);
2502 }
2503
2504 static void dupe_second_menu_viewnew_cb(GtkWidget *widget, gpointer data)
2505 {
2506         DupeWindow *dw = data;
2507
2508         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->second_listview, TRUE);
2509 }
2510
2511 static void dupe_second_menu_select_all_cb(GtkWidget *widget, gpointer data)
2512 {
2513         GtkTreeSelection *selection;
2514         DupeWindow *dw = data;
2515
2516         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
2517         gtk_tree_selection_select_all(selection);
2518 }
2519
2520 static void dupe_second_menu_select_none_cb(GtkWidget *widget, gpointer data)
2521 {
2522         GtkTreeSelection *selection;
2523         DupeWindow *dw = data;
2524
2525         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
2526         gtk_tree_selection_unselect_all(selection);
2527 }
2528
2529 static void dupe_second_menu_remove_cb(GtkWidget *widget, gpointer data)
2530 {
2531         DupeWindow *dw = data;
2532
2533         dupe_window_remove_selection(dw, dw->second_listview);
2534 }
2535
2536 static void dupe_second_menu_clear_cb(GtkWidget *widget, gpointer data)
2537 {
2538         DupeWindow *dw = data;
2539
2540         dupe_second_clear(dw);
2541         dupe_window_recompare(dw);
2542 }
2543
2544 static GtkWidget *dupe_menu_popup_second(DupeWindow *dw, DupeItem *di)
2545 {
2546         GtkWidget *menu;
2547         gint notempty;
2548         gint on_row;
2549
2550         on_row = (di != NULL);
2551         notempty = (dw->second_list != NULL);
2552
2553         menu = popup_menu_short_lived();
2554         menu_item_add_sensitive(menu, _("_View"), on_row,
2555                                 G_CALLBACK(dupe_second_menu_view_cb), dw);
2556         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, on_row,
2557                                 G_CALLBACK(dupe_second_menu_viewnew_cb), dw);
2558         menu_item_add_divider(menu);
2559         menu_item_add_sensitive(menu, _("Select all"), notempty,
2560                                 G_CALLBACK(dupe_second_menu_select_all_cb), dw);
2561         menu_item_add_sensitive(menu, _("Select none"), notempty,
2562                                 G_CALLBACK(dupe_second_menu_select_none_cb), dw);
2563         menu_item_add_divider(menu);
2564         menu_item_add_stock_sensitive(menu, _("Rem_ove"), GTK_STOCK_REMOVE, on_row,
2565                                       G_CALLBACK(dupe_second_menu_remove_cb), dw);
2566         menu_item_add_stock_sensitive(menu, _("C_lear"), GTK_STOCK_CLEAR, notempty,
2567                                    G_CALLBACK(dupe_second_menu_clear_cb), dw);
2568         menu_item_add_divider(menu);
2569         menu_item_add_stock(menu, _("Close _window"), GTK_STOCK_CLOSE,
2570                             G_CALLBACK(dupe_menu_close_cb), dw);
2571
2572         return menu;
2573 }
2574
2575 static void dupe_second_set_toggle_cb(GtkWidget *widget, gpointer data)
2576 {
2577         DupeWindow *dw = data;
2578
2579         dw->second_set = GTK_TOGGLE_BUTTON(widget)->active;
2580
2581         if (dw->second_set)
2582                 {
2583                 dupe_second_update_status(dw);
2584                 gtk_table_set_col_spacings(GTK_TABLE(dw->table), PREF_PAD_GAP);
2585                 gtk_widget_show(dw->second_vbox);
2586                 }
2587         else
2588                 {
2589                 gtk_table_set_col_spacings(GTK_TABLE(dw->table), 0);
2590                 gtk_widget_hide(dw->second_vbox);
2591                 dupe_second_clear(dw);
2592                 }
2593
2594         dupe_window_recompare(dw);
2595 }
2596
2597 /*
2598  *-------------------------------------------------------------------
2599  * match type menu
2600  *-------------------------------------------------------------------
2601  */
2602
2603 enum {
2604         DUPE_MENU_COLUMN_NAME = 0,
2605         DUPE_MENU_COLUMN_MASK
2606 };
2607
2608 static void dupe_menu_type_cb(GtkWidget *combo, gpointer data)
2609 {
2610         DupeWindow *dw = data;
2611         GtkTreeModel *store;
2612         GtkTreeIter iter;
2613
2614         store = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
2615         if (!gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter)) return;
2616         gtk_tree_model_get(store, &iter, DUPE_MENU_COLUMN_MASK, &dw->match_mask, -1);
2617
2618         dupe_window_recompare(dw);
2619 }
2620
2621 static void dupe_menu_add_item(GtkListStore *store, const gchar *text, DupeMatchType type, DupeWindow *dw)
2622 {
2623         GtkTreeIter iter;
2624
2625         gtk_list_store_append(store, &iter);
2626         gtk_list_store_set(store, &iter, DUPE_MENU_COLUMN_NAME, text,
2627                                          DUPE_MENU_COLUMN_MASK, type, -1);
2628
2629         if (dw->match_mask == type) gtk_combo_box_set_active_iter(GTK_COMBO_BOX(dw->combo), &iter);
2630 }
2631
2632 static void dupe_menu_setup(DupeWindow *dw)
2633 {
2634         GtkListStore *store;
2635         GtkCellRenderer *renderer;
2636
2637         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
2638         dw->combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
2639         g_object_unref(store);
2640
2641         renderer = gtk_cell_renderer_text_new();
2642         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(dw->combo), renderer, TRUE);
2643         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(dw->combo), renderer,
2644                                        "text", DUPE_MENU_COLUMN_NAME, NULL);
2645
2646         dupe_menu_add_item(store, _("Name"), DUPE_MATCH_NAME, dw);
2647         dupe_menu_add_item(store, _("Name case-insensitive"), DUPE_MATCH_NAME_CI, dw);
2648         dupe_menu_add_item(store, _("Size"), DUPE_MATCH_SIZE, dw);
2649         dupe_menu_add_item(store, _("Date"), DUPE_MATCH_DATE, dw);
2650         dupe_menu_add_item(store, _("Dimensions"), DUPE_MATCH_DIM, dw);
2651         dupe_menu_add_item(store, _("Checksum"), DUPE_MATCH_SUM, dw);
2652         dupe_menu_add_item(store, _("Path"), DUPE_MATCH_PATH, dw);
2653         dupe_menu_add_item(store, _("Similarity (high)"), DUPE_MATCH_SIM_HIGH, dw);
2654         dupe_menu_add_item(store, _("Similarity"), DUPE_MATCH_SIM_MED, dw);
2655         dupe_menu_add_item(store, _("Similarity (low)"), DUPE_MATCH_SIM_LOW, dw);
2656         dupe_menu_add_item(store, _("Similarity (custom)"), DUPE_MATCH_SIM_CUSTOM, dw);
2657
2658         g_signal_connect(G_OBJECT(dw->combo), "changed",
2659                          G_CALLBACK(dupe_menu_type_cb), dw);
2660 }
2661
2662 /*
2663  *-------------------------------------------------------------------
2664  * list view columns
2665  *-------------------------------------------------------------------
2666  */
2667
2668 /* this overrides the low default of a GtkCellRenderer from 100 to CELL_HEIGHT_OVERRIDE, something sane for our purposes */
2669
2670 #define CELL_HEIGHT_OVERRIDE 512
2671
2672 void cell_renderer_height_override(GtkCellRenderer *renderer)
2673 {
2674         GParamSpec *spec;
2675
2676         spec = g_object_class_find_property(G_OBJECT_GET_CLASS(G_OBJECT(renderer)), "height");
2677         if (spec && G_IS_PARAM_SPEC_INT(spec))
2678                 {
2679                 GParamSpecInt *spec_int;
2680
2681                 spec_int = G_PARAM_SPEC_INT(spec);
2682                 if (spec_int->maximum < CELL_HEIGHT_OVERRIDE) spec_int->maximum = CELL_HEIGHT_OVERRIDE;
2683                 }
2684 }
2685
2686 static GdkColor *dupe_listview_color_shifted(GtkWidget *widget)
2687 {
2688         static GdkColor color;
2689         static GtkWidget *done = NULL;
2690
2691         if (done != widget)
2692                 {
2693                 GtkStyle *style;
2694
2695                 style = gtk_widget_get_style(widget);
2696                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
2697                 shift_color(&color, -1, 0);
2698                 done = widget;
2699                 }
2700
2701         return &color;
2702 }
2703
2704 static void dupe_listview_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
2705                                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
2706 {
2707         DupeWindow *dw = data;
2708         gboolean set;
2709
2710         gtk_tree_model_get(tree_model, iter, DUPE_COLUMN_COLOR, &set, -1);
2711         g_object_set(G_OBJECT(cell),
2712                      "cell-background-gdk", dupe_listview_color_shifted(dw->listview),
2713                      "cell-background-set", set, NULL);
2714 }
2715
2716 static void dupe_listview_add_column(DupeWindow *dw, GtkWidget *listview, gint n, const gchar *title, gint image, gint right_justify)
2717 {
2718         GtkTreeViewColumn *column;
2719         GtkCellRenderer *renderer;
2720
2721         column = gtk_tree_view_column_new();
2722         gtk_tree_view_column_set_title(column, title);
2723         gtk_tree_view_column_set_min_width(column, 4);
2724
2725         if (n != DUPE_COLUMN_RANK &&
2726             n != DUPE_COLUMN_THUMB)
2727                 {
2728                 gtk_tree_view_column_set_resizable(column, TRUE);
2729                 }
2730
2731         if (!image)
2732                 {
2733                 gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
2734                 renderer = gtk_cell_renderer_text_new();
2735                 if (right_justify)
2736                         {
2737                         g_object_set(G_OBJECT(renderer), "xalign", 1.0, NULL);
2738                         }
2739                 gtk_tree_view_column_pack_start(column, renderer, TRUE);
2740                 gtk_tree_view_column_add_attribute(column, renderer, "text", n);
2741                 }
2742         else
2743                 {
2744                 gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
2745                 renderer = gtk_cell_renderer_pixbuf_new();
2746                 cell_renderer_height_override(renderer);
2747                 gtk_tree_view_column_pack_start(column, renderer, TRUE);
2748                 gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", n);
2749                 }
2750
2751         if (listview == dw->listview)
2752                 {
2753                 /* sets background before rendering */
2754                 gtk_tree_view_column_set_cell_data_func(column, renderer, dupe_listview_color_cb, dw, NULL);
2755                 }
2756
2757         gtk_tree_view_append_column(GTK_TREE_VIEW(listview), column);
2758 }
2759
2760 static void dupe_listview_set_height(GtkWidget *listview, gint thumb)
2761 {
2762         GtkTreeViewColumn *column;
2763         GtkCellRenderer *cell;
2764         GList *list;
2765
2766         column = gtk_tree_view_get_column(GTK_TREE_VIEW(listview), DUPE_COLUMN_THUMB - 1);
2767         if (!column) return;
2768
2769         gtk_tree_view_column_set_fixed_width(column, (thumb) ? options->thumbnails.max_width : 4);
2770
2771         list = gtk_tree_view_column_get_cell_renderers(column);
2772         if (!list) return;
2773         cell = list->data;
2774         g_list_free(list);
2775
2776         g_object_set(G_OBJECT(cell), "height", (thumb) ? options->thumbnails.max_height : -1, NULL);
2777         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(listview));
2778 }
2779
2780
2781 /*
2782  *-------------------------------------------------------------------
2783  * misc cb
2784  *-------------------------------------------------------------------
2785  */
2786
2787 static void dupe_window_show_thumb_cb(GtkWidget *widget, gpointer data)
2788 {
2789         DupeWindow *dw = data;
2790
2791         dw->show_thumbs = GTK_TOGGLE_BUTTON(widget)->active;
2792
2793         if (dw->show_thumbs)
2794                 {
2795                 if (!dw->working) dupe_thumb_step(dw);
2796                 }
2797         else
2798                 {
2799                 GtkTreeModel *store;
2800                 GtkTreeIter iter;
2801                 gint valid;
2802
2803                 thumb_loader_free(dw->thumb_loader);
2804                 dw->thumb_loader = NULL;
2805
2806                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
2807                 valid = gtk_tree_model_get_iter_first(store, &iter);
2808
2809                 while (valid)
2810                         {
2811                         gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_THUMB, NULL, -1);
2812                         valid = gtk_tree_model_iter_next(store, &iter);
2813                         }
2814                 dupe_window_update_progress(dw, NULL, 0.0, FALSE);
2815                 }
2816
2817         dupe_listview_set_height(dw->listview, dw->show_thumbs);
2818 }
2819
2820 static void dupe_popup_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
2821 {
2822         GtkWidget *view = data;
2823         GtkTreePath *tpath;
2824         gint cx, cy, cw, ch;
2825         gint column;
2826
2827         gtk_tree_view_get_cursor(GTK_TREE_VIEW(view), &tpath, NULL);
2828         if (!tpath) return;
2829
2830         if (gtk_tree_view_get_column(GTK_TREE_VIEW(view), DUPE_COLUMN_NAME - 1) != NULL)
2831                 {
2832                 column = DUPE_COLUMN_NAME - 1;
2833                 }
2834         else
2835                 {
2836                 /* dw->second_listview */
2837                 column = 0;
2838                 }
2839         tree_view_get_cell_clamped(GTK_TREE_VIEW(view), tpath, column, TRUE, &cx, &cy, &cw, &ch);
2840         gtk_tree_path_free(tpath);
2841         cy += ch;
2842         popup_menu_position_clamp(menu, &cx, &cy, 0);
2843         *x = cx;
2844         *y = cy;
2845 }
2846
2847 static gint dupe_window_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
2848 {
2849         DupeWindow *dw = data;
2850         gint stop_signal = FALSE;
2851         gint on_second;
2852         GtkWidget *listview;
2853         GtkTreeModel *store;
2854         GtkTreeSelection *selection;
2855         GList *slist;
2856         DupeItem *di = NULL;
2857
2858         on_second = GTK_WIDGET_HAS_FOCUS(dw->second_listview);
2859
2860         if (on_second)
2861                 {
2862                 listview = dw->second_listview;
2863                 }
2864         else
2865                 {
2866                 listview = dw->listview;
2867                 }
2868
2869         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
2870         slist = gtk_tree_selection_get_selected_rows(selection, &store);
2871         if (slist)
2872                 {
2873                 GtkTreePath *tpath;
2874                 GtkTreeIter iter;
2875                 GList *last;
2876
2877                 last = g_list_last(slist);
2878                 tpath = last->data;
2879
2880                 /* last is newest selected file */
2881                 gtk_tree_model_get_iter(store, &iter, tpath);
2882                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
2883                 }
2884         g_list_foreach(slist, (GFunc)gtk_tree_path_free, NULL);
2885         g_list_free(slist);
2886
2887         if (event->state & GDK_CONTROL_MASK)
2888                 {
2889                 gint edit_val = -1;
2890
2891                 if (!on_second)
2892                         {
2893                         stop_signal = TRUE;
2894                         switch (event->keyval)
2895                                 {
2896                                 case '1':
2897                                         edit_val = 0;
2898                                         break;
2899                                 case '2':
2900                                         edit_val = 1;
2901                                         break;
2902                                 case '3':
2903                                         edit_val = 2;
2904                                         break;
2905                                 case '4':
2906                                         edit_val = 3;
2907                                         break;
2908                                 case '5':
2909                                         edit_val = 4;
2910                                         break;
2911                                 case '6':
2912                                         edit_val = 5;
2913                                         break;
2914                                 case '7':
2915                                         edit_val = 6;
2916                                         break;
2917                                 case '8':
2918                                         edit_val = 7;
2919                                         break;
2920                                 case '9':
2921                                         edit_val = 8;
2922                                         break;
2923                                 case '0':
2924                                         edit_val = 9;
2925                                         break;
2926                                 case 'C': case 'c':
2927                                         file_util_copy(NULL, dupe_listview_get_selection(dw, listview),
2928                                                        NULL, dw->window);
2929                                         break;
2930                                 case 'M': case 'm':
2931                                         file_util_move(NULL, dupe_listview_get_selection(dw, listview),
2932                                                        NULL, dw->window);
2933                                         break;
2934                                 case 'R': case 'r':
2935                                         file_util_rename(NULL, dupe_listview_get_selection(dw, listview), dw->window);
2936                                         break;
2937                                 case 'D': case 'd':
2938                                         file_util_delete(NULL, dupe_listview_get_selection(dw, listview), dw->window);
2939                                         break;
2940                                 case 'P': case 'p':
2941                                         info_window_new(NULL, dupe_listview_get_selection(dw, listview), NULL);
2942                                         break;
2943                                 default:
2944                                         stop_signal = FALSE;
2945                                         break;
2946                                 }
2947                         }
2948
2949                 if (!stop_signal)
2950                         {
2951                         stop_signal = TRUE;
2952                         switch (event->keyval)
2953                                 {
2954                                 case 'A': case 'a':
2955                                         if (event->state & GDK_SHIFT_MASK)
2956                                                 {
2957                                                 gtk_tree_selection_unselect_all(selection);
2958                                                 }
2959                                         else
2960                                                 {
2961                                                 gtk_tree_selection_select_all(selection);
2962                                                 }
2963                                         break;
2964                                 case GDK_Delete: case GDK_KP_Delete:
2965                                         if (on_second)
2966                                                 {
2967                                                 dupe_second_clear(dw);
2968                                                 dupe_window_recompare(dw);
2969                                                 }
2970                                         else
2971                                                 {
2972                                                 dupe_window_clear(dw);
2973                                                 }
2974                                         break;
2975                                 case 'L': case 'l':
2976                                         dupe_window_append_file_list(dw, FALSE);
2977                                         break;
2978                                 case 'T': case 't':
2979                                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_thumbs),
2980                                                 !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dw->button_thumbs)));
2981                                         break;
2982                                 case 'W': case 'w':
2983                                         dupe_window_close(dw);
2984                                         break;
2985                                 default:
2986                                         stop_signal = FALSE;
2987                                         break;
2988                                 }
2989                         }
2990
2991                 if (edit_val >= 0)
2992                         {
2993                         dupe_window_edit_selected(dw, edit_val);
2994                         }
2995                 }
2996         else
2997                 {
2998                 stop_signal = TRUE;
2999                 switch (event->keyval)
3000                         {
3001                         case GDK_Return: case GDK_KP_Enter:
3002                                 dupe_menu_view(dw, di, listview, FALSE);
3003                                 break;
3004                         case 'V': case 'v':
3005                                 dupe_menu_view(dw, di, listview, TRUE);
3006                                 break;
3007                         case GDK_Delete: case GDK_KP_Delete:
3008                                 dupe_window_remove_selection(dw, listview);
3009                                 break;
3010                         case 'C': case 'c':
3011                                 if (!on_second)
3012                                         {
3013                                         dupe_window_collection_from_selection(dw);
3014                                         }
3015                                 break;
3016                         case '1':
3017                                 dupe_listview_select_dupes(dw, TRUE);
3018                                 break;
3019                         case '2':
3020                                 dupe_listview_select_dupes(dw, FALSE);
3021                                 break;
3022                         case GDK_Menu:
3023                         case GDK_F10:
3024                                 if (!on_second)
3025                                         {
3026                                         GtkWidget *menu;
3027
3028                                         menu = dupe_menu_popup_main(dw, di);
3029                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
3030                                                        dupe_popup_menu_pos_cb, listview, 0, GDK_CURRENT_TIME);
3031                                         }
3032                                 else
3033                                         {
3034                                         GtkWidget *menu;
3035
3036                                         menu = dupe_menu_popup_second(dw, di);
3037                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
3038                                                        dupe_popup_menu_pos_cb, listview, 0, GDK_CURRENT_TIME);
3039                                         }
3040                                 break;
3041                         default:
3042                                 stop_signal = FALSE;
3043                                 break;
3044                         }
3045                 }
3046
3047         return stop_signal;
3048 }
3049
3050
3051 void dupe_window_clear(DupeWindow *dw)
3052 {
3053         GtkListStore *store;
3054
3055         dupe_check_stop(dw);
3056
3057         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
3058         gtk_list_store_clear(store);
3059         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->listview));
3060
3061         g_list_free(dw->dupes);
3062         dw->dupes = NULL;
3063
3064         dupe_list_free(dw->list);
3065         dw->list = NULL;
3066
3067         dupe_match_reset_list(dw->second_list);
3068
3069         dupe_window_update_count(dw, FALSE);
3070         dupe_window_update_progress(dw, NULL, 0.0, FALSE);
3071 }
3072
3073 void dupe_window_close(DupeWindow *dw)
3074 {
3075         dupe_check_stop(dw);
3076
3077         dupe_window_list = g_list_remove(dupe_window_list, dw);
3078         gtk_widget_destroy(dw->window);
3079
3080         g_list_free(dw->dupes);
3081         dupe_list_free(dw->list);
3082
3083         dupe_list_free(dw->second_list);
3084
3085         g_free(dw);
3086 }
3087
3088 static gint dupe_window_delete(GtkWidget *widget, GdkEvent *event, gpointer data)
3089 {
3090         DupeWindow *dw = data;
3091         dupe_window_close(dw);
3092
3093         return TRUE;
3094 }
3095
3096 /* collection and files can be NULL */
3097 DupeWindow *dupe_window_new(DupeMatchType match_mask)
3098 {
3099         DupeWindow *dw;
3100         GtkWidget *vbox;
3101         GtkWidget *scrolled;
3102         GtkWidget *frame;
3103         GtkWidget *status_box;
3104         GtkWidget *label;
3105         GtkWidget *button;
3106         GtkListStore *store;
3107         GtkTreeSelection *selection;
3108         GdkGeometry geometry;
3109
3110         dw = g_new0(DupeWindow, 1);
3111
3112         dw->list = NULL;
3113         dw->dupes = NULL;
3114         dw->match_mask = match_mask;
3115         dw->show_thumbs = FALSE;
3116
3117         dw->idle_id = -1;
3118
3119         dw->second_set = FALSE;
3120
3121         dw->window = window_new(GTK_WINDOW_TOPLEVEL, "dupe", NULL, NULL, _("Find duplicates"));
3122
3123         geometry.min_width = 32;
3124         geometry.min_height = 32;
3125         geometry.base_width = DUPE_DEF_WIDTH;
3126         geometry.base_height = DUPE_DEF_HEIGHT;
3127         gtk_window_set_geometry_hints(GTK_WINDOW(dw->window), NULL, &geometry,
3128                                       GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE);
3129
3130         gtk_window_set_default_size(GTK_WINDOW(dw->window), DUPE_DEF_WIDTH, DUPE_DEF_HEIGHT);
3131
3132         gtk_window_set_resizable(GTK_WINDOW(dw->window), TRUE);
3133         gtk_container_set_border_width(GTK_CONTAINER(dw->window), 0);
3134
3135         g_signal_connect(G_OBJECT(dw->window), "delete_event",
3136                          G_CALLBACK(dupe_window_delete), dw);
3137         g_signal_connect(G_OBJECT(dw->window), "key_press_event",
3138                          G_CALLBACK(dupe_window_keypress_cb), dw);
3139
3140         vbox = gtk_vbox_new(FALSE, 0);
3141         gtk_container_add(GTK_CONTAINER(dw->window), vbox);
3142         gtk_widget_show(vbox);
3143
3144         dw->table = gtk_table_new(1, 3, FALSE);
3145         gtk_box_pack_start(GTK_BOX(vbox), dw->table, TRUE, TRUE, 0);
3146         gtk_widget_show(dw->table);
3147
3148         scrolled = gtk_scrolled_window_new(NULL, NULL);
3149         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
3150         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
3151         gtk_table_attach_defaults(GTK_TABLE(dw->table), scrolled, 0, 2, 0, 1);
3152         gtk_widget_show(scrolled);
3153
3154         store = gtk_list_store_new(9, G_TYPE_POINTER, G_TYPE_STRING, GDK_TYPE_PIXBUF,
3155                                    G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
3156                                    G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
3157         dw->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
3158         g_object_unref(store);
3159
3160         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
3161         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
3162         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dw->listview), TRUE);
3163         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(dw->listview), FALSE);
3164
3165         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_RANK, "", FALSE, TRUE);
3166         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_THUMB, "", TRUE, FALSE);
3167         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_NAME, _("Name"), FALSE, FALSE);
3168         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_SIZE, _("Size"), FALSE, TRUE);
3169         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_DATE, _("Date"), FALSE, TRUE);
3170         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_DIMENSIONS, _("Dimensions"), FALSE, FALSE);
3171         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_PATH, _("Path"), FALSE, FALSE);
3172
3173         gtk_container_add(GTK_CONTAINER(scrolled), dw->listview);
3174         gtk_widget_show(dw->listview);
3175
3176         dw->second_vbox = gtk_vbox_new(FALSE, 0);
3177         gtk_table_attach_defaults(GTK_TABLE(dw->table), dw->second_vbox, 2, 3, 0, 1);
3178         if (dw->second_set)
3179                 {
3180                 gtk_table_set_col_spacings(GTK_TABLE(dw->table), PREF_PAD_GAP);
3181                 gtk_widget_show(dw->second_vbox);
3182                 }
3183         else
3184                 {
3185                 gtk_table_set_col_spacings(GTK_TABLE(dw->table), 0);
3186                 }
3187
3188         scrolled = gtk_scrolled_window_new(NULL, NULL);
3189         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
3190         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
3191         gtk_box_pack_start(GTK_BOX(dw->second_vbox), scrolled, TRUE, TRUE, 0);
3192         gtk_widget_show(scrolled);
3193
3194         store = gtk_list_store_new(2, G_TYPE_POINTER, G_TYPE_STRING);
3195         dw->second_listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
3196
3197         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
3198         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
3199
3200         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dw->second_listview), TRUE);
3201         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(dw->second_listview), FALSE);
3202
3203         dupe_listview_add_column(dw, dw->second_listview, 1, _("Compare to:"), FALSE, FALSE);
3204
3205         gtk_container_add(GTK_CONTAINER(scrolled), dw->second_listview);
3206         gtk_widget_show(dw->second_listview);
3207
3208         dw->second_status_label = gtk_label_new("");
3209         gtk_box_pack_start(GTK_BOX(dw->second_vbox), dw->second_status_label, FALSE, FALSE, 0);
3210         gtk_widget_show(dw->second_status_label);
3211
3212         pref_line(dw->second_vbox, GTK_ORIENTATION_HORIZONTAL);
3213
3214         status_box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
3215
3216         label = gtk_label_new(_("Compare by:"));
3217         gtk_box_pack_start(GTK_BOX(status_box), label, FALSE, FALSE, PREF_PAD_SPACE);
3218         gtk_widget_show(label);
3219
3220         dupe_menu_setup(dw);
3221         gtk_box_pack_start(GTK_BOX(status_box), dw->combo, FALSE, FALSE, 0);
3222         gtk_widget_show(dw->combo);
3223
3224         dw->button_thumbs = gtk_check_button_new_with_label(_("Thumbnails"));
3225         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_thumbs), dw->show_thumbs);
3226         g_signal_connect(G_OBJECT(dw->button_thumbs), "toggled",
3227                          G_CALLBACK(dupe_window_show_thumb_cb), dw);
3228         gtk_box_pack_start(GTK_BOX(status_box), dw->button_thumbs, FALSE, FALSE, PREF_PAD_SPACE);
3229         gtk_widget_show(dw->button_thumbs);
3230
3231         button = gtk_check_button_new_with_label(_("Compare two file sets"));
3232         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), dw->second_set);
3233         g_signal_connect(G_OBJECT(button), "toggled",
3234                          G_CALLBACK(dupe_second_set_toggle_cb), dw);
3235         gtk_box_pack_end(GTK_BOX(status_box), button, FALSE, FALSE, PREF_PAD_SPACE);
3236         gtk_widget_show(button);
3237
3238         status_box = gtk_hbox_new(FALSE, 0);
3239         gtk_box_pack_start(GTK_BOX(vbox), status_box, FALSE, FALSE, 0);
3240         gtk_widget_show(status_box);
3241
3242         frame = gtk_frame_new(NULL);
3243         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
3244         gtk_box_pack_start(GTK_BOX(status_box), frame, TRUE, TRUE, 0);
3245         gtk_widget_show(frame);
3246
3247         dw->status_label = gtk_label_new("");
3248         gtk_container_add(GTK_CONTAINER(frame), dw->status_label);
3249         gtk_widget_show(dw->status_label);
3250
3251         dw->extra_label = gtk_progress_bar_new();
3252         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), 0.0);
3253         gtk_box_pack_end(GTK_BOX(status_box), dw->extra_label, FALSE, FALSE, 0);
3254         gtk_widget_show(dw->extra_label);
3255
3256         dupe_dnd_init(dw);
3257
3258         /* order is important here, dnd_init should be seeing mouse
3259          * presses before we possibly handle (and stop) the signal
3260          */
3261         g_signal_connect(G_OBJECT(dw->listview), "button_press_event",
3262                          G_CALLBACK(dupe_listview_press_cb), dw);
3263         g_signal_connect(G_OBJECT(dw->listview), "button_release_event",
3264                          G_CALLBACK(dupe_listview_release_cb), dw);
3265         g_signal_connect(G_OBJECT(dw->second_listview), "button_press_event",
3266                          G_CALLBACK(dupe_listview_press_cb), dw);
3267         g_signal_connect(G_OBJECT(dw->second_listview), "button_release_event",
3268                          G_CALLBACK(dupe_listview_release_cb), dw);
3269
3270         gtk_widget_show(dw->window);
3271
3272         dupe_window_update_count(dw, TRUE);
3273         dupe_window_update_progress(dw, NULL, 0.0, FALSE);
3274
3275         dupe_window_list = g_list_append(dupe_window_list, dw);
3276
3277         return dw;
3278 }
3279
3280 /*
3281  *-------------------------------------------------------------------
3282  * dnd confirm dir
3283  *-------------------------------------------------------------------
3284  */
3285
3286 typedef struct {
3287         DupeWindow *dw;
3288         GList *list;
3289 } CDupeConfirmD;
3290
3291 static void confirm_dir_list_cancel(GtkWidget *widget, gpointer data)
3292 {
3293         /* do nothing */
3294 }
3295
3296 static void confirm_dir_list_add(GtkWidget *widget, gpointer data)
3297 {
3298         CDupeConfirmD *d = data;
3299         GList *work;
3300
3301         dupe_window_add_files(d->dw, d->list, FALSE);
3302
3303         work = d->list;
3304         while (work)
3305                 {
3306                 FileData *fd = work->data;
3307                 work = work->next;
3308                 if (isdir(fd->path))
3309                         {
3310                         GList *list;
3311
3312                         filelist_read(fd->path, &list, NULL);
3313                         list = filelist_filter(list, FALSE);
3314                         if (list)
3315                                 {
3316                                 dupe_window_add_files(d->dw, list, FALSE);
3317                                 filelist_free(list);
3318                                 }
3319                         }
3320                 }
3321 }
3322
3323 static void confirm_dir_list_recurse(GtkWidget *widget, gpointer data)
3324 {
3325         CDupeConfirmD *d = data;
3326         dupe_window_add_files(d->dw, d->list, TRUE);
3327 }
3328
3329 static void confirm_dir_list_skip(GtkWidget *widget, gpointer data)
3330 {
3331         CDupeConfirmD *d = data;
3332         dupe_window_add_files(d->dw, d->list, FALSE);
3333 }
3334
3335 static void confirm_dir_list_destroy(GtkWidget *widget, gpointer data)
3336 {
3337         CDupeConfirmD *d = data;
3338         filelist_free(d->list);
3339         g_free(d);
3340 }
3341
3342 static GtkWidget *dupe_confirm_dir_list(DupeWindow *dw, GList *list)
3343 {
3344         GtkWidget *menu;
3345         CDupeConfirmD *d;
3346
3347         d = g_new0(CDupeConfirmD, 1);
3348         d->dw = dw;
3349         d->list = list;
3350
3351         menu = popup_menu_short_lived();
3352         g_signal_connect(G_OBJECT(menu), "destroy",
3353                          G_CALLBACK(confirm_dir_list_destroy), d);
3354
3355         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
3356         menu_item_add_divider(menu);
3357         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(confirm_dir_list_add), d);
3358         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(confirm_dir_list_recurse), d);
3359         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(confirm_dir_list_skip), d);
3360         menu_item_add_divider(menu);
3361         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(confirm_dir_list_cancel), d);
3362
3363         return menu;
3364 }
3365
3366 /*
3367  *-------------------------------------------------------------------
3368  * dnd
3369  *-------------------------------------------------------------------
3370  */
3371
3372 static GtkTargetEntry dupe_drag_types[] = {
3373         { "text/uri-list", 0, TARGET_URI_LIST },
3374         { "text/plain", 0, TARGET_TEXT_PLAIN }
3375 };
3376 static gint n_dupe_drag_types = 2;
3377
3378 static GtkTargetEntry dupe_drop_types[] = {
3379         { TARGET_APP_COLLECTION_MEMBER_STRING, 0, TARGET_APP_COLLECTION_MEMBER },
3380         { "text/uri-list", 0, TARGET_URI_LIST }
3381 };
3382 static gint n_dupe_drop_types = 2;
3383
3384 static void dupe_dnd_data_set(GtkWidget *widget, GdkDragContext *context,
3385                               GtkSelectionData *selection_data, guint info,
3386                               guint time, gpointer data)
3387 {
3388         DupeWindow *dw = data;
3389         gchar *uri_text;
3390         gint length;
3391         GList *list;
3392
3393         switch (info)
3394                 {
3395                 case TARGET_URI_LIST:
3396                 case TARGET_TEXT_PLAIN:
3397                         list = dupe_listview_get_selection(dw, widget);
3398                         if (!list) return;
3399                         uri_text = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
3400                         filelist_free(list);
3401                         break;
3402                 default:
3403                         uri_text = NULL;
3404                         break;
3405                 }
3406
3407         if (uri_text) gtk_selection_data_set(selection_data, selection_data->target,
3408                                              8, (guchar *)uri_text, length);
3409         g_free(uri_text);
3410 }
3411
3412 static void dupe_dnd_data_get(GtkWidget *widget, GdkDragContext *context,
3413                               gint x, gint y,
3414                               GtkSelectionData *selection_data, guint info,
3415                               guint time, gpointer data)
3416 {
3417         DupeWindow *dw = data;
3418         GtkWidget *source;
3419         GList *list = NULL;
3420         GList *work;
3421
3422         source = gtk_drag_get_source_widget(context);
3423         if (source == dw->listview || source == dw->second_listview) return;
3424
3425         dw->second_drop = (dw->second_set && widget == dw->second_listview);
3426
3427         switch (info)
3428                 {
3429                 case TARGET_APP_COLLECTION_MEMBER:
3430                         collection_from_dnd_data((gchar *)selection_data->data, &list, NULL);
3431                         break;
3432                 case TARGET_URI_LIST:
3433                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
3434                         work = list;
3435                         while (work)
3436                                 {
3437                                 FileData *fd = work->data;
3438                                 if (isdir(fd->path))
3439                                         {
3440                                         GtkWidget *menu;
3441                                         menu = dupe_confirm_dir_list(dw, list);
3442                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
3443                                         return;
3444                                         }
3445                                 work = work->next;
3446                                 }
3447                         break;
3448                 default:
3449                         list = NULL;
3450                         break;
3451                 }
3452
3453         if (list)
3454                 {
3455                 dupe_window_add_files(dw, list, FALSE);
3456                 filelist_free(list);
3457                 }
3458 }
3459
3460 static void dupe_dest_set(GtkWidget *widget, gint enable)
3461 {
3462         if (enable)
3463                 {
3464                 gtk_drag_dest_set(widget,
3465                         GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP,
3466                         dupe_drop_types, n_dupe_drop_types,
3467                         GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
3468
3469                 }
3470         else
3471                 {
3472                 gtk_drag_dest_unset(widget);
3473                 }
3474 }
3475
3476 static void dupe_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
3477 {
3478         DupeWindow *dw = data;
3479         dupe_dest_set(dw->listview, FALSE);
3480         dupe_dest_set(dw->second_listview, FALSE);
3481
3482         if (dw->click_item && !dupe_listview_item_is_selected(dw, dw->click_item, widget))
3483                 {
3484                 GtkListStore *store;
3485                 GtkTreeIter iter;
3486
3487                 store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(widget)));
3488                 if (dupe_listview_find_item(store, dw->click_item, &iter) >= 0)
3489                         {
3490                         GtkTreeSelection *selection;
3491                         GtkTreePath *tpath;
3492
3493                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
3494                         gtk_tree_selection_unselect_all(selection);
3495                         gtk_tree_selection_select_iter(selection, &iter);
3496
3497                         tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
3498                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
3499                         gtk_tree_path_free(tpath);
3500                         }
3501                 }
3502
3503         if (dw->show_thumbs &&
3504             widget == dw->listview &&
3505             dw->click_item && dw->click_item->pixbuf)
3506                 {
3507                 GtkTreeSelection *selection;
3508                 gint items;
3509
3510                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
3511                 items = gtk_tree_selection_count_selected_rows(selection);
3512                 dnd_set_drag_icon(widget, context, dw->click_item->pixbuf, items);
3513                 }
3514 }
3515
3516 static void dupe_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
3517 {
3518         DupeWindow *dw = data;
3519         dupe_dest_set(dw->listview, TRUE);
3520         dupe_dest_set(dw->second_listview, TRUE);
3521 }
3522
3523 static void dupe_dnd_init(DupeWindow *dw)
3524 {
3525         gtk_drag_source_set(dw->listview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
3526                             dupe_drag_types, n_dupe_drag_types,
3527                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
3528         g_signal_connect(G_OBJECT(dw->listview), "drag_data_get",
3529                          G_CALLBACK(dupe_dnd_data_set), dw);
3530         g_signal_connect(G_OBJECT(dw->listview), "drag_begin",
3531                          G_CALLBACK(dupe_dnd_begin), dw);
3532         g_signal_connect(G_OBJECT(dw->listview), "drag_end",
3533                          G_CALLBACK(dupe_dnd_end), dw);
3534
3535         dupe_dest_set(dw->listview, TRUE);
3536         g_signal_connect(G_OBJECT(dw->listview), "drag_data_received",
3537                          G_CALLBACK(dupe_dnd_data_get), dw);
3538
3539         gtk_drag_source_set(dw->second_listview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
3540                             dupe_drag_types, n_dupe_drag_types,
3541                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
3542         g_signal_connect(G_OBJECT(dw->second_listview), "drag_data_get",
3543                          G_CALLBACK(dupe_dnd_data_set), dw);
3544         g_signal_connect(G_OBJECT(dw->second_listview), "drag_begin",
3545                          G_CALLBACK(dupe_dnd_begin), dw);
3546         g_signal_connect(G_OBJECT(dw->second_listview), "drag_end",
3547                          G_CALLBACK(dupe_dnd_end), dw);
3548
3549         dupe_dest_set(dw->second_listview, TRUE);
3550         g_signal_connect(G_OBJECT(dw->second_listview), "drag_data_received",
3551                          G_CALLBACK(dupe_dnd_data_get), dw);
3552 }
3553
3554 /*
3555  *-------------------------------------------------------------------
3556  * maintenance (move, delete, etc.)
3557  *-------------------------------------------------------------------
3558  */
3559
3560 void dupe_maint_removed(FileData *fd)
3561 {
3562         GList *work;
3563
3564         work = dupe_window_list;
3565         while (work)
3566                 {
3567                 DupeWindow *dw = work->data;
3568                 work = work->next;
3569
3570                 while (dupe_item_remove_by_path(dw, fd->path));
3571                 }
3572 }
3573
3574 void dupe_maint_renamed(FileData *fd)
3575 {
3576         GList *work;
3577
3578         work = dupe_window_list;
3579         while (work)
3580                 {
3581                 DupeWindow *dw = work->data;
3582                 work = work->next;
3583
3584                 dupe_item_update_fd(dw, fd);
3585                 }
3586
3587 }