src/dupe.cc

   1 /*
   2  * Copyright (C) 2005 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include <cinttypes>
  23
  24 #include "main.h"
  25 #include "dupe.h"
  26
  27 #include "cache.h"
  28 #include "collect-table.h"
  29 #include "dnd.h"
  30 #include "filedata.h"
  31 #include "history-list.h"
  32 #include "image-load.h"
  33 #include "img-view.h"
  34 #include "layout-image.h"
  35 #include "layout-util.h"
  36 #include "md5-util.h"
  37 #include "menu.h"
  38 #include "misc.h"
  39 #include "pixbuf-util.h"
  40 #include "print.h"
  41 #include "thumb.h"
  42 #include "ui-fileops.h"
  43 #include "ui-menu.h"
  44 #include "ui-misc.h"
  45 #include "ui-tree-edit.h"
  46 #include "uri-utils.h"
  47 #include "utilops.h"
  48 #include "window.h"
  49
  50 #include <cmath>
  51
  52
  53 enum {
  54         DUPE_DEF_WIDTH = 800,
  55         DUPE_DEF_HEIGHT = 400
  56 };
  57 #define DUPE_PROGRESS_PULSE_STEP 0.0001
  58
  59 /** column assignment order (simply change them here)
  60  */
  61 enum {
  62         DUPE_COLUMN_POINTER = 0,
  63         DUPE_COLUMN_RANK,
  64         DUPE_COLUMN_THUMB,
  65         DUPE_COLUMN_NAME,
  66         DUPE_COLUMN_SIZE,
  67         DUPE_COLUMN_DATE,
  68         DUPE_COLUMN_DIMENSIONS,
  69         DUPE_COLUMN_PATH,
  70         DUPE_COLUMN_COLOR,
  71         DUPE_COLUMN_SET,
  72         DUPE_COLUMN_COUNT       /**< total columns */
  73 };
  74
  75 enum DUPE_CHECK_RESULT {
  76         DUPE_MATCH = 0,
  77         DUPE_NO_MATCH,
  78         DUPE_NAME_MATCH
  79 };
  80
  81 /** Used for similarity checks. One for each item pushed
  82  * onto the thread pool.
  83  */
  84 struct DupeQueueItem
  85 {
  86         DupeItem *needle;
  87         DupeWindow *dw;
  88         GList *work; /**< pointer into \a dw->list or \a dw->second_list (#DupeItem) */
  89         gint index; /**< The order items pushed onto thread pool. Used to sort returned matches */
  90 };
  91
  92 /** Used for similarity checks thread. One for each pair match found.
  93  */
  94 struct DupeSearchMatch
  95 {
  96         DupeItem *a; /**< \a a / \a b matched pair found */
  97         DupeItem *b; /**< \a a / \a b matched pair found */
  98         gdouble rank;
  99         gint index; /**< The order items pushed onto thread pool. Used to sort returned matches */
 100 };
 101
 102 static DupeMatchType param_match_mask;
 103 static GList *dupe_window_list = nullptr;       /**< list of open DupeWindow *s */
 104
 105 /*
 106  * Well, after adding the 'compare two sets' option things got a little sloppy in here
 107  * because we have to account for two 'modes' everywhere. (be careful).
 108  */
 109
 110 static void dupe_match_unlink(DupeItem *a, DupeItem *b);
 111 static DupeItem *dupe_match_find_parent(DupeWindow *dw, DupeItem *child);
 112
 113 static gint dupe_match(DupeItem *a, DupeItem *b, DupeMatchType mask, gdouble *rank, gint fast);
 114
 115 static void dupe_thumb_step(DupeWindow *dw);
 116 static gint dupe_check_cb(gpointer data);
 117
 118 static void dupe_second_add(DupeWindow *dw, DupeItem *di);
 119 static void dupe_second_remove(DupeWindow *dw, DupeItem *di);
 120 static GtkWidget *dupe_menu_popup_second(DupeWindow *dw, DupeItem *di);
 121
 122 static void dupe_dnd_init(DupeWindow *dw);
 123
 124 static void dupe_notify_cb(FileData *fd, NotifyType type, gpointer data);
 125 static void delete_finished_cb(gboolean success, const gchar *dest_path, gpointer data);
 126
 127 static GtkWidget *submenu_add_export(GtkWidget *menu, GtkWidget **menu_item, GCallback func, gpointer data);
 128 static void dupe_pop_menu_export_cb(GtkWidget *widget, gpointer data);
 129
 130 static void dupe_init_list_cache(DupeWindow *dw);
 131 static void dupe_destroy_list_cache(DupeWindow *dw);
 132 static gboolean dupe_insert_in_list_cache(DupeWindow *dw, FileData *fd);
 133
 134 static void dupe_match_link(DupeItem *a, DupeItem *b, gdouble rank);
 135 static gint dupe_match_link_exists(DupeItem *child, DupeItem *parent);
 136
 137 /**
 138  * This array must be kept in sync with the contents of:\n
 139  *  @link dupe_window_keypress_cb() @endlink \n
 140  *  @link dupe_menu_popup_main() @endlink
 141  *
 142  * See also @link hard_coded_window_keys @endlink
 143  **/
 144 hard_coded_window_keys dupe_window_keys[] = {
 145         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 146         {GDK_CONTROL_MASK, 'M', N_("Move")},
 147         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 148         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 149         {GDK_SHIFT_MASK, GDK_KEY_Delete, N_("Delete")},
 150         {static_cast<GdkModifierType>(0), GDK_KEY_Delete, N_("Remove")},
 151         {GDK_CONTROL_MASK, GDK_KEY_Delete, N_("Clear")},
 152         {GDK_CONTROL_MASK, 'A', N_("Select all")},
 153         {static_cast<GdkModifierType>(GDK_CONTROL_MASK + GDK_SHIFT_MASK), 'A', N_("Select none")},
 154         {GDK_CONTROL_MASK, 'T', N_("Toggle thumbs")},
 155         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 156         {static_cast<GdkModifierType>(0), GDK_KEY_Return, N_("View")},
 157         {static_cast<GdkModifierType>(0), 'V', N_("View in new window")},
 158         {static_cast<GdkModifierType>(0), 'C', N_("Collection from selection")},
 159         {GDK_CONTROL_MASK, 'L', N_("Append list")},
 160         {static_cast<GdkModifierType>(0), '0', N_("Select none")},
 161         {static_cast<GdkModifierType>(0), '1', N_("Select group 1 duplicates")},
 162         {static_cast<GdkModifierType>(0), '2', N_("Select group 2 duplicates")},
 163         {static_cast<GdkModifierType>(0), 0, nullptr}
 164 };
 165
 166 /**
 167  * @brief The function run in threads for similarity checks
 168  * @param d1 #DupeQueueItem
 169  * @param d2 #DupeWindow
 170  *
 171  * Used only for similarity checks.\n
 172  * Search \a dqi->list for \a dqi->needle and if a match is
 173  * found, create a #DupeSearchMatch and add to \a dw->search_matches list\n
 174  * If \a dw->abort is set, just increment \a dw->thread_count
 175  */
 176 static void dupe_comparison_func(gpointer d1, gpointer d2)
 177 {
 178         auto dqi = static_cast<DupeQueueItem *>(d1);
 179         auto dw = static_cast<DupeWindow *>(d2);
 180         DupeSearchMatch *dsm;
 181         DupeItem *di;
 182         GList *matches = nullptr;
 183         gdouble rank = 0;
 184
 185         if (!dw->abort)
 186                 {
 187                 GList *work = dqi->work;
 188                 while (work)
 189                         {
 190                         di = static_cast<DupeItem *>(work->data);
 191
 192                         /* forward for second set, back for simple compare */
 193                         if (dw->second_set)
 194                                 {
 195                                 work = work->next;
 196                                 }
 197                         else
 198                                 {
 199                                 work = work->prev;
 200                                 }
 201
 202                         if (dupe_match(di, dqi->needle, dqi->dw->match_mask, &rank, TRUE))
 203                                 {
 204                                 dsm = g_new0(DupeSearchMatch, 1);
 205                                 dsm->a = di;
 206                                 dsm->b = dqi->needle;
 207                                 dsm->rank = rank;
 208                                 matches = g_list_prepend(matches, dsm);
 209                                 dsm->index = dqi->index;
 210                                 }
 211
 212                         if (dw->abort)
 213                                 {
 214                                 break;
 215                                 }
 216                         }
 217
 218                 matches = g_list_reverse(matches);
 219                 g_mutex_lock(&dw->search_matches_mutex);
 220                 dw->search_matches = g_list_concat(dw->search_matches, matches);
 221                 g_mutex_unlock(&dw->search_matches_mutex);
 222                 }
 223
 224         g_mutex_lock(&dw->thread_count_mutex);
 225         dw->thread_count++;
 226         g_mutex_unlock(&dw->thread_count_mutex);
 227         g_free(dqi);
 228 }
 229
 230 /*
 231  * ------------------------------------------------------------------
 232  * Window updates
 233  * ------------------------------------------------------------------
 234  */
 235
 236 /**
 237  * @brief Update display of status label
 238  * @param dw
 239  * @param count_only
 240  *
 241  *
 242  */
 243 static void dupe_window_update_count(DupeWindow *dw, gboolean count_only)
 244 {
 245         gchar *text;
 246
 247         if (!dw->list)
 248                 {
 249                 text = g_strdup(_("Drop files to compare them."));
 250                 }
 251         else if (count_only)
 252                 {
 253                 text = g_strdup_printf(_("%d files"), g_list_length(dw->list));
 254                 }
 255         else
 256                 {
 257                 text = g_strdup_printf(_("%d matches found in %d files"), g_list_length(dw->dupes), g_list_length(dw->list));
 258                 }
 259
 260         if (dw->second_set)
 261                 {
 262                 gchar *buf = g_strconcat(text, " ", _("[set 1]"), NULL);
 263                 g_free(text);
 264                 text = buf;
 265                 }
 266         gtk_label_set_text(GTK_LABEL(dw->status_label), text);
 267
 268         g_free(text);
 269 }
 270
 271 /**
 272  * @brief Returns time in µsec since Epoch
 273  * @returns
 274  *
 275  *
 276  */
 277 static guint64 msec_time()
 278 {
 279         struct timeval tv;
 280
 281         if (gettimeofday(&tv, nullptr) == -1) return 0;
 282
 283         return static_cast<guint64>(tv.tv_sec) * 1000000 + static_cast<guint64>(tv.tv_usec);
 284 }
 285
 286 static gint dupe_iterations(gint n)
 287 {
 288         return (n * ((n + 1) / 2));
 289 }
 290
 291 /**
 292  * @brief
 293  * @param dw
 294  * @param status
 295  * @param value
 296  * @param force
 297  *
 298  * If \a status is blank, clear status bar text and set progress to zero. \n
 299  * If \a force is not set, after 2 secs has elapsed, update time-to-go every 250 ms.
 300  */
 301 static void dupe_window_update_progress(DupeWindow *dw, const gchar *status, gdouble value, gboolean force)
 302 {
 303         const gchar *status_text;
 304
 305         if (status)
 306                 {
 307                 guint64 new_time = 0;
 308
 309                 if (dw->setup_n % 10 == 0)
 310                         {
 311                         new_time = msec_time() - dw->setup_time;
 312                         }
 313
 314                 if (!force &&
 315                     value != 0.0 &&
 316                     dw->setup_count > 0 &&
 317                     new_time > 2000000)
 318                         {
 319                         gchar *buf;
 320                         gint t;
 321                         gint d;
 322                         guint32 rem;
 323
 324                         if (new_time - dw->setup_time_count < 250000) return;
 325                         dw->setup_time_count = new_time;
 326
 327                         if (dw->setup_done)
 328                                 {
 329                                 if (dw->second_set)
 330                                         {
 331                                         t = dw->setup_count;
 332                                         d = dw->setup_count - dw->setup_n;
 333                                         }
 334                                 else
 335                                         {
 336                                         t = dupe_iterations(dw->setup_count);
 337                                         d = dupe_iterations(dw->setup_count - dw->setup_n);
 338                                         }
 339                                 }
 340                         else
 341                                 {
 342                                 t = dw->setup_count;
 343                                 d = dw->setup_count - dw->setup_n;
 344                                 }
 345
 346                         rem = (t - d) ? (static_cast<gdouble>(dw->setup_time_count / 1000000.0) / (t - d)) * d : 0;
 347
 348                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), value);
 349
 350                         buf = g_strdup_printf("%s %d:%02d ", status, rem / 60, rem % 60);
 351                         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), buf);
 352                         g_free(buf);
 353
 354                         return;
 355                         }
 356
 357                 if (force ||
 358                          value == 0.0 ||
 359                          dw->setup_count == 0 ||
 360                          dw->setup_time_count == 0 ||
 361                          (new_time > 0 && new_time - dw->setup_time_count >= 250000))
 362                         {
 363                         if (dw->setup_time_count == 0) dw->setup_time_count = 1;
 364                         if (new_time > 0) dw->setup_time_count = new_time;
 365                         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), value);
 366                         status_text = status;
 367                         }
 368                 else
 369                         {
 370                         status_text = nullptr;
 371                         }
 372                 }
 373         else
 374                 {
 375                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), 0.0);
 376                 status_text = " ";
 377                 }
 378
 379         if (status_text) gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), status_text);
 380 }
 381
 382 static void widget_set_cursor(GtkWidget *widget, gint icon)
 383 {
 384         GdkCursor *cursor;
 385         GdkDisplay *display;
 386
 387         if (!gtk_widget_get_window(widget)) return;
 388
 389         if (icon == -1)
 390                 {
 391                 cursor = nullptr;
 392                 }
 393         else
 394                 {
 395                 display = gdk_display_get_default();
 396                 cursor = gdk_cursor_new_for_display(display, static_cast<GdkCursorType>(icon));
 397                 }
 398
 399         gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
 400
 401         if (cursor) g_object_unref(G_OBJECT(cursor));
 402 }
 403
 404 /*
 405  * ------------------------------------------------------------------
 406  * row color utils
 407  * ------------------------------------------------------------------
 408  */
 409
 410 static void dupe_listview_realign_colors(DupeWindow *dw)
 411 {
 412         GtkTreeModel *store;
 413         GtkTreeIter iter;
 414         gboolean color_set = TRUE;
 415         DupeItem *parent = nullptr;
 416         gboolean valid;
 417
 418         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
 419         valid = gtk_tree_model_get_iter_first(store, &iter);
 420         while (valid)
 421                 {
 422                 DupeItem *child;
 423                 DupeItem *child_parent;
 424
 425                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &child, -1);
 426                 child_parent = dupe_match_find_parent(dw, child);
 427                 if (!parent || parent != child_parent)
 428                         {
 429                         if (!parent)
 430                                 {
 431                                 /* keep the first row as it is */
 432                                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_COLOR, &color_set, -1);
 433                                 }
 434                         else
 435                                 {
 436                                 color_set = !color_set;
 437                                 }
 438                         parent = dupe_match_find_parent(dw, child);
 439                         }
 440                 gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_COLOR, color_set, -1);
 441
 442                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter);
 443                 }
 444 }
 445
 446 /*
 447  * ------------------------------------------------------------------
 448  * Dupe item utils
 449  * ------------------------------------------------------------------
 450  */
 451
 452 static DupeItem *dupe_item_new(FileData *fd)
 453 {
 454         DupeItem *di;
 455
 456         di = g_new0(DupeItem, 1);
 457
 458         di->fd = file_data_ref(fd);
 459         di->group_rank = 0.0;
 460
 461         return di;
 462 }
 463
 464 static void dupe_item_free(DupeItem *di)
 465 {
 466         file_data_unref(di->fd);
 467         image_sim_free(di->simd);
 468         g_free(di->md5sum);
 469         if (di->pixbuf) g_object_unref(di->pixbuf);
 470
 471         g_free(di);
 472 }
 473
 474 #pragma GCC diagnostic push
 475 #pragma GCC diagnostic ignored "-Wunused-function"
 476 static DupeItem *dupe_item_find_fd_by_list_unused(FileData *fd, GList *work)
 477 {
 478         while (work)
 479                 {
 480                 auto *di = static_cast<DupeItem *>(work->data);
 481
 482                 if (di->fd == fd) return di;
 483
 484                 work = work->next;
 485                 }
 486
 487         return nullptr;
 488 }
 489
 490 static DupeItem *dupe_item_find_fd_unused(DupeWindow *dw, FileData *fd)
 491 {
 492         DupeItem *di;
 493
 494         di = dupe_item_find_fd_by_list_unused(fd, dw->list);
 495         if (!di && dw->second_set) di = dupe_item_find_fd_by_list_unused(fd, dw->second_list);
 496
 497         return di;
 498 }
 499
 500 static DupeItem *dupe_item_find_path_by_list_unused(const gchar *path, GList *work)
 501 {
 502         while (work)
 503                 {
 504                 auto *di = static_cast<DupeItem *>(work->data);
 505
 506                 if (strcmp(di->fd->path, path) == 0) return di;
 507
 508                 work = work->next;
 509                 }
 510
 511         return nullptr;
 512 }
 513
 514 static DupeItem *dupe_item_find_path_unused(DupeWindow *dw, const gchar *path)
 515 {
 516         DupeItem *di;
 517
 518         di = dupe_item_find_path_by_list_unused(path, dw->list);
 519         if (!di && dw->second_set) di = dupe_item_find_path_by_list_unused(path, dw->second_list);
 520
 521         return di;
 522 }
 523 #pragma GCC diagnostic pop
 524
 525 /*
 526  * ------------------------------------------------------------------
 527  * Image property cache
 528  * ------------------------------------------------------------------
 529  */
 530
 531 static void dupe_item_read_cache(DupeItem *di)
 532 {
 533         gchar *path;
 534         CacheData *cd;
 535
 536         if (!di) return;
 537
 538         path = cache_find_location(CACHE_TYPE_SIM, di->fd->path);
 539         if (!path) return;
 540
 541         if (filetime(di->fd->path) != filetime(path))
 542                 {
 543                 g_free(path);
 544                 return;
 545                 }
 546
 547         cd = cache_sim_data_load(path);
 548         g_free(path);
 549
 550         if (cd)
 551                 {
 552                 if (!di->simd && cd->sim)
 553                         {
 554                         di->simd = cd->sim;
 555                         cd->sim = nullptr;
 556                         }
 557                 if (di->width == 0 && di->height == 0 && cd->dimensions)
 558                         {
 559                         di->width = cd->width;
 560                         di->height = cd->height;
 561                         di->dimensions = (di->width << 16) + di->height;
 562                         }
 563                 if (!di->md5sum && cd->have_md5sum)
 564                         {
 565                         di->md5sum = md5_digest_to_text(cd->md5sum);
 566                         }
 567                 cache_sim_data_free(cd);
 568                 }
 569 }
 570
 571 static void dupe_item_write_cache(DupeItem *di)
 572 {
 573         gchar *base;
 574         mode_t mode = 0755;
 575
 576         if (!di) return;
 577
 578         base = cache_get_location(CACHE_TYPE_SIM, di->fd->path, FALSE, &mode);
 579         if (recursive_mkdir_if_not_exists(base, mode))
 580                 {
 581                 CacheData *cd;
 582
 583                 cd = cache_sim_data_new();
 584                 cd->path = cache_get_location(CACHE_TYPE_SIM, di->fd->path, TRUE, nullptr);
 585
 586                 if (di->width != 0) cache_sim_data_set_dimensions(cd, di->width, di->height);
 587                 if (di->md5sum)
 588                         {
 589                         guchar digest[16];
 590                         if (md5_digest_from_text(di->md5sum, digest)) cache_sim_data_set_md5sum(cd, digest);
 591                         }
 592                 if (di->simd) cache_sim_data_set_similarity(cd, di->simd);
 593
 594                 if (cache_sim_data_save(cd))
 595                         {
 596                         filetime_set(cd->path, filetime(di->fd->path));
 597                         }
 598                 cache_sim_data_free(cd);
 599                 }
 600         g_free(base);
 601 }
 602
 603 /*
 604  * ------------------------------------------------------------------
 605  * Window list utils
 606  * ------------------------------------------------------------------
 607  */
 608
 609 static gint dupe_listview_find_item(GtkListStore *store, DupeItem *item, GtkTreeIter *iter)
 610 {
 611         gboolean valid;
 612         gint row = 0;
 613
 614         valid = gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), iter);
 615         while (valid)
 616                 {
 617                 DupeItem *item_n;
 618                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DUPE_COLUMN_POINTER, &item_n, -1);
 619                 if (item_n == item) return row;
 620
 621                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 622                 row++;
 623                 }
 624
 625         return -1;
 626 }
 627
 628 static void dupe_listview_add(DupeWindow *dw, DupeItem *parent, DupeItem *child)
 629 {
 630         DupeItem *di;
 631         gint row;
 632         gchar *text[DUPE_COLUMN_COUNT];
 633         GtkListStore *store;
 634         GtkTreeIter iter;
 635         gboolean color_set = FALSE;
 636         gint rank;
 637
 638         if (!parent) return;
 639
 640         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
 641
 642         if (child)
 643                 {
 644                 DupeMatch *dm;
 645
 646                 row = dupe_listview_find_item(store, parent, &iter);
 647                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_set, -1);
 648
 649                 row++;
 650
 651                 if (child->group)
 652                         {
 653                         dm = static_cast<DupeMatch *>(child->group->data);
 654                         rank = static_cast<gint>(floor(dm->rank));
 655                         }
 656                 else
 657                         {
 658                         rank = 1;
 659                         log_printf("NULL group in item!\n");
 660                         }
 661                 }
 662         else
 663                 {
 664                 if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
 665                         {
 666                         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_set, -1);
 667                         color_set = !color_set;
 668                         dw->set_count++;
 669                         }
 670                 else
 671                         {
 672                         color_set = FALSE;
 673                         }
 674                 row = 0;
 675                 rank = 0;
 676                 }
 677
 678         di = (child) ? child : parent;
 679
 680         if (!child && dw->second_set)
 681                 {
 682                 text[DUPE_COLUMN_RANK] = g_strdup("[1]");
 683                 }
 684         else if (rank == 0)
 685                 {
 686                 text[DUPE_COLUMN_RANK] = g_strdup((di->second) ? "(2)" : "");
 687                 }
 688         else
 689                 {
 690                 text[DUPE_COLUMN_RANK] = g_strdup_printf("%d%s", rank, (di->second) ? " (2)" : "");
 691                 }
 692
 693         text[DUPE_COLUMN_THUMB] = nullptr;
 694         text[DUPE_COLUMN_NAME] = const_cast<gchar *>(di->fd->name);
 695         text[DUPE_COLUMN_SIZE] = text_from_size(di->fd->size);
 696         text[DUPE_COLUMN_DATE] = const_cast<gchar *>(text_from_time(di->fd->date));
 697         if (di->width > 0 && di->height > 0)
 698                 {
 699                 text[DUPE_COLUMN_DIMENSIONS] = g_strdup_printf("%d x %d", di->width, di->height);
 700                 }
 701         else
 702                 {
 703                 text[DUPE_COLUMN_DIMENSIONS] = g_strdup("");
 704                 }
 705         text[DUPE_COLUMN_PATH] = di->fd->path;
 706         text[DUPE_COLUMN_COLOR] = nullptr;
 707
 708         gtk_list_store_insert(store, &iter, row);
 709         gtk_list_store_set(store, &iter,
 710                                 DUPE_COLUMN_POINTER, di,
 711                                 DUPE_COLUMN_RANK, text[DUPE_COLUMN_RANK],
 712                                 DUPE_COLUMN_THUMB, NULL,
 713                                 DUPE_COLUMN_NAME, text[DUPE_COLUMN_NAME],
 714                                 DUPE_COLUMN_SIZE, text[DUPE_COLUMN_SIZE],
 715                                 DUPE_COLUMN_DATE, text[DUPE_COLUMN_DATE],
 716                                 DUPE_COLUMN_DIMENSIONS, text[DUPE_COLUMN_DIMENSIONS],
 717                                 DUPE_COLUMN_PATH, text[DUPE_COLUMN_PATH],
 718                                 DUPE_COLUMN_COLOR, color_set,
 719                                 DUPE_COLUMN_SET, dw->set_count,
 720                                 -1);
 721
 722         g_free(text[DUPE_COLUMN_RANK]);
 723         g_free(text[DUPE_COLUMN_SIZE]);
 724         g_free(text[DUPE_COLUMN_DIMENSIONS]);
 725 }
 726
 727 static void dupe_listview_select_dupes(DupeWindow *dw, DupeSelectType parents);
 728
 729 static void dupe_listview_populate(DupeWindow *dw)
 730 {
 731         GtkListStore *store;
 732         GList *work;
 733
 734         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
 735         gtk_list_store_clear(store);
 736
 737         work = g_list_last(dw->dupes);
 738         while (work)
 739                 {
 740                 auto parent = static_cast<DupeItem *>(work->data);
 741                 GList *temp;
 742
 743                 dupe_listview_add(dw, parent, nullptr);
 744
 745                 temp = g_list_last(parent->group);
 746                 while (temp)
 747                         {
 748                         auto dm = static_cast<DupeMatch *>(temp->data);
 749                         DupeItem *child;
 750
 751                         child = dm->di;
 752
 753                         dupe_listview_add(dw, parent, child);
 754
 755                         temp = temp->prev;
 756                         }
 757
 758                 work = work->prev;
 759                 }
 760
 761         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->listview));
 762
 763         if (options->duplicates_select_type == DUPE_SELECT_GROUP1)
 764                 {
 765                 dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP1);
 766                 }
 767         else if (options->duplicates_select_type == DUPE_SELECT_GROUP2)
 768                 {
 769                 dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP2);
 770                 }
 771
 772 }
 773
 774 static void dupe_listview_remove(DupeWindow *dw, DupeItem *di)
 775 {
 776         GtkListStore *store;
 777         GtkTreeIter iter;
 778         gint row;
 779
 780         if (!di) return;
 781
 782         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
 783         row = dupe_listview_find_item(store, di, &iter);
 784         if (row < 0) return;
 785
 786         tree_view_move_cursor_away(GTK_TREE_VIEW(dw->listview), &iter, TRUE);
 787         gtk_list_store_remove(store, &iter);
 788
 789         if (g_list_find(dw->dupes, di) != nullptr)
 790                 {
 791                 if (!dw->color_frozen) dupe_listview_realign_colors(dw);
 792                 }
 793 }
 794
 795
 796 static GList *dupe_listview_get_filelist(DupeWindow *, GtkWidget *listview)
 797 {
 798         GtkTreeModel *store;
 799         GtkTreeIter iter;
 800         gboolean valid;
 801         GList *list = nullptr;
 802
 803         store = gtk_tree_view_get_model(GTK_TREE_VIEW(listview));
 804         valid = gtk_tree_model_get_iter_first(store, &iter);
 805         while (valid)
 806                 {
 807                 DupeItem *di;
 808                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
 809                 list = g_list_prepend(list, file_data_ref(di->fd));
 810
 811                 valid = gtk_tree_model_iter_next(store, &iter);
 812                 }
 813
 814         return g_list_reverse(list);
 815 }
 816
 817
 818 static GList *dupe_listview_get_selection(DupeWindow *, GtkWidget *listview)
 819 {
 820         GtkTreeModel *store;
 821         GtkTreeSelection *selection;
 822         GList *slist;
 823         GList *list = nullptr;
 824         GList *work;
 825
 826         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
 827         slist = gtk_tree_selection_get_selected_rows(selection, &store);
 828         work = slist;
 829         while (work)
 830                 {
 831                 auto tpath = static_cast<GtkTreePath *>(work->data);
 832                 DupeItem *di = nullptr;
 833                 GtkTreeIter iter;
 834
 835                 gtk_tree_model_get_iter(store, &iter, tpath);
 836                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
 837                 if (di)
 838                         {
 839                         list = g_list_prepend(list, file_data_ref(di->fd));
 840                         }
 841                 work = work->next;
 842                 }
 843         g_list_free_full(slist, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
 844
 845         return g_list_reverse(list);
 846 }
 847
 848 static gboolean dupe_listview_item_is_selected(DupeWindow *, DupeItem *di, GtkWidget *listview)
 849 {
 850         GtkTreeModel *store;
 851         GtkTreeSelection *selection;
 852         GList *slist;
 853         GList *work;
 854         gboolean found = FALSE;
 855
 856         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
 857         slist = gtk_tree_selection_get_selected_rows(selection, &store);
 858         work = slist;
 859         while (!found && work)
 860                 {
 861                 auto tpath = static_cast<GtkTreePath *>(work->data);
 862                 DupeItem *di_n;
 863                 GtkTreeIter iter;
 864
 865                 gtk_tree_model_get_iter(store, &iter, tpath);
 866                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di_n, -1);
 867                 if (di_n == di) found = TRUE;
 868                 work = work->next;
 869                 }
 870         g_list_free_full(slist, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
 871
 872         return found;
 873 }
 874
 875 static void dupe_listview_select_dupes(DupeWindow *dw, DupeSelectType parents)
 876 {
 877         GtkTreeModel *store;
 878         GtkTreeSelection *selection;
 879         GtkTreeIter iter;
 880         gboolean valid;
 881         gint set_count = 0;
 882         gint set_count_last = -1;
 883
 884         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
 885         gtk_tree_selection_unselect_all(selection);
 886
 887         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
 888         valid = gtk_tree_model_get_iter_first(store, &iter);
 889         while (valid)
 890                 {
 891                 DupeItem *di;
 892
 893                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, DUPE_COLUMN_SET, &set_count, -1);
 894                 if (set_count != set_count_last)
 895                         {
 896                         set_count_last = set_count;
 897                         if (parents == DUPE_SELECT_GROUP1)
 898                                 {
 899                                 gtk_tree_selection_select_iter(selection, &iter);
 900                                 }
 901                         }
 902                 else
 903                         {
 904                         if (parents == DUPE_SELECT_GROUP2)
 905                                 {
 906                                 gtk_tree_selection_select_iter(selection, &iter);
 907                                 }
 908                         }
 909                 valid = gtk_tree_model_iter_next(store, &iter);
 910                 }
 911 }
 912
 913 /*
 914  * ------------------------------------------------------------------
 915  * Match group manipulation
 916  * ------------------------------------------------------------------
 917  */
 918
 919 /**
 920  * @brief Search \a parent->group for \a child (#DupeItem)
 921  * @param child
 922  * @param parent
 923  * @returns
 924  *
 925  */
 926 static DupeMatch *dupe_match_find_match(DupeItem *child, DupeItem *parent)
 927 {
 928         GList *work;
 929
 930         work = parent->group;
 931         while (work)
 932                 {
 933                 auto dm = static_cast<DupeMatch *>(work->data);
 934                 if (dm->di == child) return dm;
 935                 work = work->next;
 936                 }
 937         return nullptr;
 938 }
 939
 940 /**
 941  * @brief Create #DupeMatch structure for \a child, and insert into \a parent->group list.
 942  * @param child
 943  * @param parent
 944  * @param rank
 945  *
 946  */
 947 static void dupe_match_link_child(DupeItem *child, DupeItem *parent, gdouble rank)
 948 {
 949         DupeMatch *dm;
 950
 951         dm = g_new0(DupeMatch, 1);
 952         dm->di = child;
 953         dm->rank = rank;
 954         parent->group = g_list_append(parent->group, dm);
 955 }
 956
 957 /**
 958  * @brief Link \a a & \a b as both parent and child
 959  * @param a
 960  * @param b
 961  * @param rank
 962  *
 963  * Link \a a as child of \a b, and \a b as child of \a a
 964  */
 965 static void dupe_match_link(DupeItem *a, DupeItem *b, gdouble rank)
 966 {
 967         dupe_match_link_child(a, b, rank);
 968         dupe_match_link_child(b, a, rank);
 969 }
 970
 971 /**
 972  * @brief Remove \a child #DupeMatch from \a parent->group list.
 973  * @param child
 974  * @param parent
 975  *
 976  */
 977 static void dupe_match_unlink_child(DupeItem *child, DupeItem *parent)
 978 {
 979         DupeMatch *dm;
 980
 981         dm = dupe_match_find_match(child, parent);
 982         if (dm)
 983                 {
 984                 parent->group = g_list_remove(parent->group, dm);
 985                 g_free(dm);
 986                 }
 987 }
 988
 989 /**
 990  * @brief  Unlink \a a from \a b, and \a b from \a a
 991  * @param a
 992  * @param b
 993  *
 994  * Free the relevant #DupeMatch items from the #DupeItem group lists
 995  */
 996 static void dupe_match_unlink(DupeItem *a, DupeItem *b)
 997 {
 998         dupe_match_unlink_child(a, b);
 999         dupe_match_unlink_child(b, a);
1000 }
1001
1002 /**
1003  * @brief
1004  * @param parent
1005  * @param unlink_children
1006  *
1007  * If \a unlink_children is set, unlink all entries in \a parent->group list. \n
1008  * Free the \a parent->group list and set group_rank to zero;
1009  */
1010 static void dupe_match_link_clear(DupeItem *parent, gboolean unlink_children)
1011 {
1012         if (unlink_children)
1013                 {
1014                 GList *work;
1015
1016                 work = parent->group;
1017                 while (work)
1018                         {
1019                         auto dm = static_cast<DupeMatch *>(work->data);
1020                         work = work->next;
1021
1022                         dupe_match_unlink_child(parent, dm->di);
1023                         }
1024                 }
1025
1026         g_list_free_full(parent->group, g_free);
1027         parent->group = nullptr;
1028         parent->group_rank = 0.0;
1029 }
1030
1031 /**
1032  * @brief Search \a parent->group list for \a child
1033  * @param child
1034  * @param parent
1035  * @returns boolean TRUE/FALSE found/not found
1036  *
1037  */
1038 static gint dupe_match_link_exists(DupeItem *child, DupeItem *parent)
1039 {
1040         return (dupe_match_find_match(child, parent) != nullptr);
1041 }
1042
1043 /**
1044  * @brief  Search \a parent->group for \a child, and return \a child->rank
1045  * @param child
1046  * @param parent
1047  * @returns \a dm->di->rank
1048  *
1049  */
1050 static gdouble dupe_match_link_rank(DupeItem *child, DupeItem *parent)
1051 {
1052         DupeMatch *dm;
1053
1054         dm = dupe_match_find_match(child, parent);
1055         if (dm) return dm->rank;
1056
1057         return 0.0;
1058 }
1059
1060 /**
1061  * @brief Find highest rank in \a child->group
1062  * @param child
1063  * @returns
1064  *
1065  * Search the #DupeMatch entries in the \a child->group list.
1066  * Return the #DupeItem with the highest rank. If more than one have
1067  * the same rank, the first encountered is used.
1068  */
1069 static DupeItem *dupe_match_highest_rank(DupeItem *child)
1070 {
1071         DupeMatch *dr;
1072         GList *work;
1073
1074         dr = nullptr;
1075         work = child->group;
1076         while (work)
1077                 {
1078                 auto dm = static_cast<DupeMatch *>(work->data);
1079                 if (!dr || dm->rank > dr->rank)
1080                         {
1081                         dr = dm;
1082                         }
1083                 work = work->next;
1084                 }
1085
1086         return (dr) ? dr->di : nullptr;
1087 }
1088
1089 /**
1090  * @brief Compute and store \a parent->group_rank
1091  * @param parent
1092  *
1093  * Group_rank = (sum of all child ranks) / n
1094  */
1095 static void dupe_match_rank_update(DupeItem *parent)
1096 {
1097         GList *work;
1098         gdouble rank = 0.0;
1099         gint c = 0;
1100
1101         work = parent->group;
1102         while (work)
1103                 {
1104                 auto dm = static_cast<DupeMatch *>(work->data);
1105                 work = work->next;
1106                 rank += dm->rank;
1107                 c++;
1108                 }
1109
1110         if (c > 0)
1111                 {
1112                 parent->group_rank = rank / c;
1113                 }
1114         else
1115                 {
1116                 parent->group_rank = 0.0;
1117                 }
1118 }
1119
1120 static DupeItem *dupe_match_find_parent(DupeWindow *dw, DupeItem *child)
1121 {
1122         GList *work;
1123
1124         if (g_list_find(dw->dupes, child)) return child;
1125
1126         work = child->group;
1127         while (work)
1128                 {
1129                 auto dm = static_cast<DupeMatch *>(work->data);
1130                 if (g_list_find(dw->dupes, dm->di)) return dm->di;
1131                 work = work->next;
1132                 }
1133
1134         return nullptr;
1135 }
1136
1137 /**
1138  * @brief
1139  * @param work (#DupeItem) dw->list or dw->second_list
1140  *
1141  * Unlink all #DupeItem-s in \a work.
1142  * Do not unlink children.
1143  */
1144 static void dupe_match_reset_list(GList *work)
1145 {
1146         while (work)
1147                 {
1148                 auto di = static_cast<DupeItem *>(work->data);
1149                 work = work->next;
1150
1151                 dupe_match_link_clear(di, FALSE);
1152                 }
1153 }
1154
1155 static void dupe_match_reparent(DupeWindow *dw, DupeItem *old_parent, DupeItem *new_parent)
1156 {
1157         GList *work;
1158
1159         if (!old_parent || !new_parent || !dupe_match_link_exists(old_parent, new_parent)) return;
1160
1161         dupe_match_link_clear(new_parent, TRUE);
1162         work = old_parent->group;
1163         while (work)
1164                 {
1165                 auto dm = static_cast<DupeMatch *>(work->data);
1166                 dupe_match_unlink_child(old_parent, dm->di);
1167                 dupe_match_link_child(new_parent, dm->di, dm->rank);
1168                 work = work->next;
1169                 }
1170
1171         new_parent->group = old_parent->group;
1172         old_parent->group = nullptr;
1173
1174         work = g_list_find(dw->dupes, old_parent);
1175         if (work) work->data = new_parent;
1176 }
1177
1178 static void dupe_match_print_group(DupeItem *di)
1179 {
1180         GList *work;
1181
1182         log_printf("+ %f %s\n", di->group_rank, di->fd->name);
1183
1184         work = di->group;
1185         while (work)
1186                 {
1187                 auto dm = static_cast<DupeMatch *>(work->data);
1188                 work = work->next;
1189
1190                 log_printf("  %f %s\n", dm->rank, dm->di->fd->name);
1191                 }
1192
1193         log_printf("\n");
1194 }
1195
1196 static void dupe_match_print_list(GList *list)
1197 {
1198         GList *work;
1199
1200         work = list;
1201         while (work)
1202                 {
1203                 auto di = static_cast<DupeItem *>(work->data);
1204                 dupe_match_print_group(di);
1205                 work = work->next;
1206                 }
1207 }
1208
1209 /* level 3, unlinking and orphan handling */
1210 /**
1211  * @brief
1212  * @param child
1213  * @param parent \a di from \a child->group
1214  * @param[inout] list \a dw->list sorted by rank (#DupeItem)
1215  * @param dw
1216  * @returns modified \a list
1217  *
1218  * Called for each entry in \a child->group (#DupeMatch) with \a parent set to \a dm->di. \n
1219  * Find the highest rank #DupeItem of the \a parent's children. \n
1220  * If that is == \a child OR
1221  * highest rank #DupeItem of \a child == \a parent then FIXME:
1222  *
1223  */
1224 static GList *dupe_match_unlink_by_rank(DupeItem *child, DupeItem *parent, GList *list, DupeWindow *dw)
1225 {
1226         DupeItem *best = nullptr;
1227
1228         best = dupe_match_highest_rank(parent); // highest rank in parent->group
1229         if (best == child || dupe_match_highest_rank(child) == parent)
1230                 {
1231                 GList *work;
1232                 gdouble rank;
1233
1234                 DEBUG_2("link found %s to %s [%d]", child->fd->name, parent->fd->name, g_list_length(parent->group));
1235
1236                 work = parent->group;
1237                 while (work)
1238                         {
1239                         auto dm = static_cast<DupeMatch *>(work->data);
1240                         DupeItem *orphan;
1241
1242                         work = work->next;
1243                         orphan = dm->di;
1244                         if (orphan != child && g_list_length(orphan->group) < 2)
1245                                 {
1246                                 dupe_match_link_clear(orphan, TRUE);
1247                                 if (!dw->second_set || orphan->second)
1248                                         {
1249                                         dupe_match(orphan, child, dw->match_mask, &rank, FALSE);
1250                                         dupe_match_link(orphan, child, rank);
1251                                         }
1252                                 list = g_list_remove(list, orphan);
1253                                 }
1254                         }
1255
1256                 rank = dupe_match_link_rank(child, parent); // child->rank
1257                 dupe_match_link_clear(parent, TRUE);
1258                 dupe_match_link(child, parent, rank);
1259                 list = g_list_remove(list, parent);
1260                 }
1261         else
1262                 {
1263                 DEBUG_2("unlinking %s and %s", child->fd->name, parent->fd->name);
1264
1265                 dupe_match_unlink(child, parent);
1266                 }
1267
1268         return list;
1269 }
1270
1271 /* level 2 */
1272 /**
1273  * @brief
1274  * @param[inout] list \a dw->list sorted by rank (#DupeItem)
1275  * @param di
1276  * @param dw
1277  * @returns modified \a list
1278  *
1279  * Called for each entry in \a list.
1280  * Call unlink for each child in \a di->group
1281  */
1282 static GList *dupe_match_group_filter(GList *list, DupeItem *di, DupeWindow *dw)
1283 {
1284         GList *work;
1285
1286         work = g_list_last(di->group);
1287         while (work)
1288                 {
1289                 auto dm = static_cast<DupeMatch *>(work->data);
1290                 work = work->prev;
1291                 list = dupe_match_unlink_by_rank(di, dm->di, list, dw);
1292                 }
1293
1294         return list;
1295 }
1296
1297 /* level 1 (top) */
1298 /**
1299  * @brief
1300  * @param[inout] list \a dw->list sorted by rank (#DupeItem)
1301  * @param dw
1302  * @returns Filtered \a list
1303  *
1304  * Called once.
1305  * Call group filter for each \a di in \a list
1306  */
1307 static GList *dupe_match_group_trim(GList *list, DupeWindow *dw)
1308 {
1309         GList *work;
1310
1311         work = list;
1312         while (work)
1313                 {
1314                 auto di = static_cast<DupeItem *>(work->data);
1315                 if (!di->second) list = dupe_match_group_filter(list, di, dw);
1316                 work = work->next;
1317                 if (di->second) list = g_list_remove(list, di);
1318                 }
1319
1320         return list;
1321 }
1322
1323 static gint dupe_match_sort_groups_cb(gconstpointer a, gconstpointer b)
1324 {
1325         auto da = static_cast<const DupeMatch *>(a);
1326         auto db = static_cast<const DupeMatch *>(b);
1327
1328         if (da->rank > db->rank) return -1;
1329         if (da->rank < db->rank) return 1;
1330         return 0;
1331 }
1332
1333 /**
1334  * @brief Sorts the children of each #DupeItem in \a list
1335  * @param list #DupeItem
1336  *
1337  * Sorts the #DupeItem->group children on rank
1338  */
1339 static void dupe_match_sort_groups(GList *list)
1340 {
1341         GList *work;
1342
1343         work = list;
1344         while (work)
1345                 {
1346                 auto di = static_cast<DupeItem *>(work->data);
1347                 di->group = g_list_sort(di->group, dupe_match_sort_groups_cb);
1348                 work = work->next;
1349                 }
1350 }
1351
1352 static gint dupe_match_totals_sort_cb(gconstpointer a, gconstpointer b)
1353 {
1354         auto da = static_cast<const DupeItem *>(a);
1355         auto db = static_cast<const DupeItem *>(b);
1356
1357         if (g_list_length(da->group) > g_list_length(db->group)) return -1;
1358         if (g_list_length(da->group) < g_list_length(db->group)) return 1;
1359
1360         if (da->group_rank < db->group_rank) return -1;
1361         if (da->group_rank > db->group_rank) return 1;
1362
1363         return 0;
1364 }
1365
1366 /**
1367  * @brief Callback for group_rank sort
1368  * @param a
1369  * @param b
1370  * @returns
1371  *
1372  *
1373  */
1374 static gint dupe_match_rank_sort_cb(gconstpointer a, gconstpointer b)
1375 {
1376         auto da = static_cast<const DupeItem *>(a);
1377         auto db = static_cast<const DupeItem *>(b);
1378
1379         if (da->group_rank > db->group_rank) return -1;
1380         if (da->group_rank < db->group_rank) return 1;
1381         return 0;
1382 }
1383
1384 /**
1385  * @brief Sorts \a source_list by group-rank
1386  * @param source_list #DupeItem
1387  * @returns
1388  *
1389  * Computes group_rank for each #DupeItem. \n
1390  * Items with no group list are ignored.
1391  * Returns allocated GList of #DupeItem-s sorted by group_rank
1392  */
1393 static GList *dupe_match_rank_sort(GList *source_list)
1394 {
1395         GList *list = nullptr;
1396         GList *work;
1397
1398         work = source_list;
1399         while (work)
1400                 {
1401                 auto di = static_cast<DupeItem *>(work->data);
1402
1403                 if (di->group)
1404                         {
1405                         dupe_match_rank_update(di); // Compute and store group_rank for di
1406                         list = g_list_prepend(list, di);
1407                         }
1408
1409                 work = work->next;
1410                 }
1411
1412         return g_list_sort(list, dupe_match_rank_sort_cb);
1413 }
1414
1415 /**
1416  * @brief Returns allocated GList of dupes sorted by totals
1417  * @param source_list
1418  * @returns
1419  *
1420  *
1421  */
1422 static GList *dupe_match_totals_sort(GList *source_list)
1423 {
1424         source_list = g_list_sort(source_list, dupe_match_totals_sort_cb);
1425
1426         source_list = g_list_first(source_list);
1427         return g_list_reverse(source_list);
1428 }
1429
1430 /**
1431  * @brief
1432  * @param dw
1433  *
1434  * Called once.
1435  */
1436 static void dupe_match_rank(DupeWindow *dw)
1437 {
1438         GList *list;
1439
1440         list = dupe_match_rank_sort(dw->list); // sorted by group_rank, no-matches filtered out
1441
1442         if (required_debug_level(2)) dupe_match_print_list(list);
1443
1444         DEBUG_1("Similar items: %d", g_list_length(list));
1445         list = dupe_match_group_trim(list, dw);
1446         DEBUG_1("Unique groups: %d", g_list_length(list));
1447
1448         dupe_match_sort_groups(list);
1449
1450         if (required_debug_level(2)) dupe_match_print_list(list);
1451
1452         list = dupe_match_rank_sort(list);
1453         if (options->sort_totals)
1454                 {
1455                 list = dupe_match_totals_sort(list);
1456                 }
1457         if (required_debug_level(2)) dupe_match_print_list(list);
1458
1459         g_list_free(dw->dupes);
1460         dw->dupes = list;
1461 }
1462
1463 /*
1464  * ------------------------------------------------------------------
1465  * Match group tests
1466  * ------------------------------------------------------------------
1467  */
1468
1469 /**
1470  * @brief
1471  * @param[in] a
1472  * @param[in] b
1473  * @param[in] mask
1474  * @param[out] rank
1475  * @param[in] fast
1476  * @returns
1477  *
1478  * For similarity checks, compute rank - (similarity factor between a and b). \n
1479  * If rank < user-set sim value, returns FALSE.
1480  */
1481 static gboolean dupe_match(DupeItem *a, DupeItem *b, DupeMatchType mask, gdouble *rank, gint fast)
1482 {
1483         *rank = 0.0;
1484
1485         if (a->fd->path == b->fd->path) return FALSE;
1486
1487         if (mask & DUPE_MATCH_ALL)
1488                 {
1489                 return TRUE;
1490                 }
1491         if (mask & DUPE_MATCH_PATH)
1492                 {
1493                 if (utf8_compare(a->fd->path, b->fd->path, TRUE) != 0) return FALSE;
1494                 }
1495         if (mask & DUPE_MATCH_NAME)
1496                 {
1497                 if (strcmp(a->fd->collate_key_name, b->fd->collate_key_name) != 0) return FALSE;
1498                 }
1499         if (mask & DUPE_MATCH_NAME_CI)
1500                 {
1501                 if (strcmp(a->fd->collate_key_name_nocase, b->fd->collate_key_name_nocase) != 0) return FALSE;
1502                 }
1503         if (mask & DUPE_MATCH_NAME_CONTENT)
1504                 {
1505                 if (strcmp(a->fd->collate_key_name, b->fd->collate_key_name) == 0)
1506                         {
1507                         if (!a->md5sum) a->md5sum = md5_text_from_file_utf8(a->fd->path, "");
1508                         if (!b->md5sum) b->md5sum = md5_text_from_file_utf8(b->fd->path, "");
1509                         if (a->md5sum[0] == '\0' ||
1510                             b->md5sum[0] == '\0' ||
1511                             strcmp(a->md5sum, b->md5sum) != 0)
1512                                 {
1513                                 return TRUE;
1514                                 }
1515
1516                         return FALSE;
1517                         }
1518                 return FALSE;
1519                 }
1520         if (mask & DUPE_MATCH_NAME_CI_CONTENT)
1521                 {
1522                 if (strcmp(a->fd->collate_key_name_nocase, b->fd->collate_key_name_nocase) == 0)
1523                         {
1524                         if (!a->md5sum) a->md5sum = md5_text_from_file_utf8(a->fd->path, "");
1525                         if (!b->md5sum) b->md5sum = md5_text_from_file_utf8(b->fd->path, "");
1526                         if (a->md5sum[0] == '\0' ||
1527                             b->md5sum[0] == '\0' ||
1528                             strcmp(a->md5sum, b->md5sum) != 0)
1529                                 {
1530                                 return TRUE;
1531                                 }
1532
1533                         return FALSE;
1534                         }
1535                 return FALSE;
1536
1537                 }
1538         if (mask & DUPE_MATCH_SIZE)
1539                 {
1540                 if (a->fd->size != b->fd->size) return FALSE;
1541                 }
1542         if (mask & DUPE_MATCH_DATE)
1543                 {
1544                 if (a->fd->date != b->fd->date) return FALSE;
1545                 }
1546         if (mask & DUPE_MATCH_SUM)
1547                 {
1548                 if (!a->md5sum) a->md5sum = md5_text_from_file_utf8(a->fd->path, "");
1549                 if (!b->md5sum) b->md5sum = md5_text_from_file_utf8(b->fd->path, "");
1550                 if (a->md5sum[0] == '\0' ||
1551                     b->md5sum[0] == '\0' ||
1552                     strcmp(a->md5sum, b->md5sum) != 0) return FALSE;
1553                 }
1554         if (mask & DUPE_MATCH_DIM)
1555                 {
1556                 if (a->width == 0) image_load_dimensions(a->fd, &a->width, &a->height);
1557                 if (b->width == 0) image_load_dimensions(b->fd, &b->width, &b->height);
1558                 if (a->width != b->width || a->height != b->height) return FALSE;
1559                 }
1560         if (mask & DUPE_MATCH_SIM_HIGH ||
1561             mask & DUPE_MATCH_SIM_MED ||
1562             mask & DUPE_MATCH_SIM_LOW ||
1563             mask & DUPE_MATCH_SIM_CUSTOM)
1564                 {
1565                 gdouble f;
1566                 gdouble m;
1567
1568                 if (mask & DUPE_MATCH_SIM_HIGH) m = 0.95;
1569                 else if (mask & DUPE_MATCH_SIM_MED) m = 0.90;
1570                 else if (mask & DUPE_MATCH_SIM_CUSTOM) m = static_cast<gdouble>(options->duplicates_similarity_threshold) / 100.0;
1571                 else m = 0.85;
1572
1573                 if (fast)
1574                         {
1575                         f = image_sim_compare_fast(a->simd, b->simd, m);
1576                         }
1577                 else
1578                         {
1579                         f = image_sim_compare(a->simd, b->simd);
1580                         }
1581
1582                 *rank = f * 100.0;
1583
1584                 if (f < m) return FALSE;
1585
1586                 DEBUG_3("similar: %32s %32s = %f", a->fd->name, b->fd->name, f);
1587                 }
1588
1589         return TRUE;
1590 }
1591
1592 /**
1593  * @brief  Determine if there is a match
1594  * @param di1
1595  * @param di2
1596  * @param data
1597  * @returns DUPE_MATCH/DUPE_NO_MATCH/DUPE_NAME_MATCH
1598  *                      DUPE_NAME_MATCH is used for name != contents searches:
1599  *                                                      the name and content match i.e.
1600  *                                                      no match, but keep searching
1601  *
1602  * Called when stepping down the array looking for adjacent matches,
1603  * and from the 2nd set search.
1604  *
1605  * Is not used for similarity checks.
1606  */
1607 static DUPE_CHECK_RESULT dupe_match_check(DupeItem *di1, DupeItem *di2, gpointer data)
1608 {
1609         auto dw = static_cast<DupeWindow *>(data);
1610         DupeMatchType mask = dw->match_mask;
1611
1612         if (mask & DUPE_MATCH_ALL)
1613                 {
1614                 return DUPE_MATCH;
1615                 }
1616         if (mask & DUPE_MATCH_PATH)
1617                 {
1618                 if (utf8_compare(di1->fd->path, di2->fd->path, TRUE) != 0)
1619                         {
1620                         return DUPE_NO_MATCH;
1621                         }
1622                 }
1623         if (mask & DUPE_MATCH_NAME)
1624                 {
1625                 if (g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name) != 0)
1626                         {
1627                         return DUPE_NO_MATCH;
1628                         }
1629                 }
1630         if (mask & DUPE_MATCH_NAME_CI)
1631                 {
1632                 if (g_strcmp0(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase) != 0 )
1633                         {
1634                         return DUPE_NO_MATCH;
1635                         }
1636                 }
1637         if (mask & DUPE_MATCH_NAME_CONTENT)
1638                 {
1639                 if (g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name) == 0)
1640                         {
1641                         if (g_strcmp0(di1->md5sum, di2->md5sum) == 0)
1642                                 {
1643                                 return DUPE_NAME_MATCH;
1644                                 }
1645                         }
1646                 else
1647                         {
1648                         return DUPE_NO_MATCH;
1649                         }
1650                 }
1651         if (mask & DUPE_MATCH_NAME_CI_CONTENT)
1652                 {
1653                 if (strcmp(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase) == 0)
1654                         {
1655                         if (g_strcmp0(di1->md5sum, di2->md5sum) == 0)
1656                                 {
1657                                 return DUPE_NAME_MATCH;
1658                                 }
1659                         }
1660                 else
1661                         {
1662                         return DUPE_NO_MATCH;
1663                         }
1664                 }
1665         if (mask & DUPE_MATCH_SIZE)
1666                 {
1667                 if (di1->fd->size != di2->fd->size)
1668                         {
1669                         return DUPE_NO_MATCH;
1670                         }
1671                 }
1672         if (mask & DUPE_MATCH_DATE)
1673                 {
1674                 if (di1->fd->date != di2->fd->date)
1675                         {
1676                         return DUPE_NO_MATCH;
1677                         }
1678                 }
1679         if (mask & DUPE_MATCH_SUM)
1680                 {
1681                 if (g_strcmp0(di1->md5sum, di2->md5sum) != 0)
1682                         {
1683                         return DUPE_NO_MATCH;
1684                         }
1685                 }
1686         if (mask & DUPE_MATCH_DIM)
1687                 {
1688                 if (di1->dimensions != di2->dimensions)
1689                         {
1690                         return DUPE_NO_MATCH;
1691                         }
1692                 }
1693
1694         return DUPE_MATCH;
1695 }
1696
1697 /**
1698  * @brief The callback for the binary search
1699  * @param a
1700  * @param b
1701  * @param param_match_mask
1702  * @returns negative/0/positive
1703  *
1704  * Is not used for similarity checks.
1705  *
1706  * Used only when two file sets are used.
1707  * Requires use of a global for param_match_mask because there is no
1708  * g_array_binary_search_with_data() function in glib.
1709  */
1710 static gint dupe_match_binary_search_cb(gconstpointer a, gconstpointer b)
1711 {
1712         auto di1 = *(static_cast<const DupeItem *const *>(a));
1713         auto di2 = static_cast<const DupeItem *>(b);
1714         DupeMatchType mask = param_match_mask;
1715
1716         if (mask & DUPE_MATCH_ALL)
1717                 {
1718                 return 0;
1719                 }
1720         if (mask & DUPE_MATCH_PATH)
1721                 {
1722                 return utf8_compare(di1->fd->path, di2->fd->path, TRUE);
1723                 }
1724         if (mask & DUPE_MATCH_NAME)
1725                 {
1726                 return g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name);
1727                 }
1728         if (mask & DUPE_MATCH_NAME_CI)
1729                 {
1730                 return strcmp(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase);
1731                 }
1732         if (mask & DUPE_MATCH_NAME_CONTENT)
1733                 {
1734                 return g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name);
1735                 }
1736         if (mask & DUPE_MATCH_NAME_CI_CONTENT)
1737                 {
1738                 return strcmp(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase);
1739                 }
1740         if (mask & DUPE_MATCH_SIZE)
1741                 {
1742                 return (di1->fd->size - di2->fd->size);
1743                 }
1744         if (mask & DUPE_MATCH_DATE)
1745                 {
1746                 return (di1->fd->date - di2->fd->date);
1747                 }
1748         if (mask & DUPE_MATCH_SUM)
1749                 {
1750                 return g_strcmp0(di1->md5sum, di2->md5sum);
1751                 }
1752         if (mask & DUPE_MATCH_DIM)
1753                 {
1754                 return (di1->dimensions - di2->dimensions);
1755                 }
1756
1757         return 0;
1758 }
1759
1760 /**
1761  * @brief The callback for the array sort
1762  * @param a
1763  * @param b
1764  * @param data
1765  * @returns negative/0/positive
1766  *
1767  * Is not used for similarity checks.
1768 */
1769 static gint dupe_match_sort_cb(gconstpointer a, gconstpointer b, gpointer data)
1770 {
1771         auto di1 = *(static_cast<const DupeItem *const *>(a));
1772         auto di2 = *(static_cast<const DupeItem *const *>(b));
1773         auto dw = static_cast<DupeWindow *>(data);
1774         DupeMatchType mask = dw->match_mask;
1775
1776         if (mask & DUPE_MATCH_ALL)
1777                 {
1778                 return 0;
1779                 }
1780         if (mask & DUPE_MATCH_PATH)
1781                 {
1782                 return utf8_compare(di1->fd->path, di2->fd->path, TRUE);
1783                 }
1784         if (mask & DUPE_MATCH_NAME)
1785                 {
1786                 return g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name);
1787                 }
1788         if (mask & DUPE_MATCH_NAME_CI)
1789                 {
1790                 return strcmp(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase);
1791                 }
1792         if (mask & DUPE_MATCH_NAME_CONTENT)
1793                 {
1794                 return g_strcmp0(di1->fd->collate_key_name, di2->fd->collate_key_name);
1795                 }
1796         if (mask & DUPE_MATCH_NAME_CI_CONTENT)
1797                 {
1798                 return strcmp(di1->fd->collate_key_name_nocase, di2->fd->collate_key_name_nocase);
1799                 }
1800         if (mask & DUPE_MATCH_SIZE)
1801                 {
1802                 return (di1->fd->size - di2->fd->size);
1803                 }
1804         if (mask & DUPE_MATCH_DATE)
1805                 {
1806                 return (di1->fd->date - di2->fd->date);
1807                 }
1808         if (mask & DUPE_MATCH_SUM)
1809                 {
1810                 if (di1->md5sum[0] == '\0' || di2->md5sum[0] == '\0')
1811                     {
1812                         return -1;
1813                         }
1814
1815                 return strcmp(di1->md5sum, di2->md5sum);
1816                 }
1817         if (mask & DUPE_MATCH_DIM)
1818                 {
1819                 if (!di1 || !di2 || !di1->width || !di1->height || !di2->width || !di2->height)
1820                         {
1821                         return -1;
1822                         }
1823                 return (di1->dimensions - di2->dimensions);
1824                 }
1825
1826         return 0; // should not execute
1827 }
1828
1829 /**
1830  * @brief Check for duplicate matches
1831  * @param dw
1832  *
1833  * Is not used for similarity checks.
1834  *
1835  * Loads the file sets into an array and sorts on the searched
1836  * for parameter.
1837  *
1838  * If one file set, steps down the array looking for adjacent equal values.
1839  *
1840  * If two file sets, steps down the first set and for each value
1841  * does a binary search for matches in the second set.
1842  */
1843 static void dupe_array_check(DupeWindow *dw )
1844 {
1845         GArray *array_set1;
1846         GArray *array_set2;
1847         GList *work;
1848         gint i_set1;
1849         gint i_set2;
1850         DUPE_CHECK_RESULT check_result;
1851         param_match_mask = dw->match_mask;
1852         guint out_match_index;
1853         gboolean match_found = FALSE;;
1854
1855         if (!dw->list) return;
1856
1857         array_set1 = g_array_new(TRUE, TRUE, sizeof(gpointer));
1858         array_set2 = g_array_new(TRUE, TRUE, sizeof(gpointer));
1859         dupe_match_reset_list(dw->list);
1860
1861         work = dw->list;
1862         while (work)
1863                 {
1864                 auto di = static_cast<DupeItem *>(work->data);
1865                 g_array_append_val(array_set1, di);
1866                 work = work->next;
1867                 }
1868
1869         g_array_sort_with_data(array_set1, dupe_match_sort_cb, dw);
1870
1871         if (dw->second_set)
1872                 {
1873                 /* Two sets - nothing can be done until a second set is loaded */
1874                 if (dw->second_list)
1875                         {
1876                         work = dw->second_list;
1877                         while (work)
1878                                 {
1879                                 g_array_append_val(array_set2, (work->data));
1880                                 work = work->next;
1881                                 }
1882                         g_array_sort_with_data(array_set2, dupe_match_sort_cb, dw);
1883
1884                         for (i_set1 = 0; i_set1 <= static_cast<gint>(array_set1->len) - 1; i_set1++)
1885                                 {
1886                                 auto di1 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1));
1887                                 DupeItem *di2 = nullptr;
1888                                 /* If multiple identical entries in set 1, use the last one */
1889                                 if (i_set1 < static_cast<gint>(array_set1->len) - 2)
1890                                         {
1891                                         di2 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1 + 1));
1892                                         check_result = dupe_match_check(di1, di2, dw);
1893                                         if (check_result == DUPE_MATCH || check_result == DUPE_NAME_MATCH)
1894                                                 {
1895                                                 continue;
1896                                                 }
1897                                         }
1898
1899 #if ((GLIB_MAJOR_VERSION == 2) && (GLIB_MINOR_VERSION >= 62))
1900                                 match_found = g_array_binary_search(array_set2, di1, dupe_match_binary_search_cb, &out_match_index);
1901 #else
1902                                 gint i;
1903
1904                                 match_found = FALSE;
1905                                 for(i=0; i < array_set2->len; i++)
1906                                         {
1907                                         di2 = static_cast<DupeItem *>(g_array_index(array_set2,  gpointer, i));
1908                                         check_result = dupe_match_check(di1, di2, dw);
1909                                         if (check_result == DUPE_MATCH)
1910                                                 {
1911                                                 match_found = TRUE;
1912                                                 out_match_index = i;
1913                                                 break;
1914                                                 }
1915                                         }
1916 #endif
1917
1918                                 if (match_found)
1919                                         {
1920                                         di2 = static_cast<DupeItem *>(g_array_index(array_set2, gpointer, out_match_index));
1921
1922                                         check_result = dupe_match_check(di1, di2, dw);
1923                                         if (check_result == DUPE_MATCH || check_result == DUPE_NAME_MATCH)
1924                                                 {
1925                                                 if (check_result == DUPE_MATCH)
1926                                                         {
1927                                                         dupe_match_link(di2, di1, 0.0);
1928                                                         }
1929                                                 i_set2 = out_match_index + 1;
1930
1931                                                 if (i_set2 > static_cast<gint>(array_set2->len) - 1)
1932                                                         {
1933                                                         break;
1934                                                         }
1935                                                 /* Look for multiple matches in set 2 for item di1 */
1936                                                 di2 = static_cast<DupeItem *>(g_array_index(array_set2, gpointer, i_set2));
1937                                                 check_result = dupe_match_check(di1, di2, dw);
1938                                                 while (check_result == DUPE_MATCH || check_result == DUPE_NAME_MATCH)
1939                                                         {
1940                                                         if (check_result == DUPE_MATCH)
1941                                                                 {
1942                                                                 dupe_match_link(di2, di1, 0.0);
1943                                                                 }
1944                                                         i_set2++;
1945                                                         if (i_set2 > static_cast<gint>(array_set2->len) - 1)
1946                                                                 {
1947                                                                 break;
1948                                                                 }
1949                                                         di2 = static_cast<DupeItem *>(g_array_index(array_set2, gpointer, i_set2));
1950                                                         check_result = dupe_match_check(di1, di2, dw);
1951                                                         }
1952                                                 }
1953                                         }
1954                                 }
1955                         }
1956                 }
1957         else
1958                 {
1959                 /* File set 1 only */
1960                 g_list_free(dw->dupes);
1961                 dw->dupes = nullptr;
1962
1963                 if (static_cast<gint>(array_set1->len) > 1)
1964                         {
1965                         for (i_set1 = 0; i_set1 <= static_cast<gint>(array_set1->len) - 2; i_set1++)
1966                                 {
1967                                 auto di1 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1));
1968                                 auto di2 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1 + 1));
1969
1970                                 check_result = dupe_match_check(di1, di2, dw);
1971                                 if (check_result == DUPE_MATCH || check_result == DUPE_NAME_MATCH)
1972                                         {
1973                                         if (check_result == DUPE_MATCH)
1974                                                 {
1975                                                 dupe_match_link(di2, di1, 0.0);
1976                                                 }
1977                                         i_set1++;
1978
1979                                         if ( i_set1 + 1 > static_cast<gint>(array_set1->len) - 1)
1980                                                 {
1981                                                 break;
1982                                                 }
1983                                         /* Look for multiple matches for item di1 */
1984                                         di2 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1 + 1));
1985                                         check_result = dupe_match_check(di1, di2, dw);
1986                                         while (check_result == DUPE_MATCH || check_result == DUPE_NAME_MATCH)
1987                                                 {
1988                                                 if (check_result == DUPE_MATCH)
1989                                                         {
1990                                                         dupe_match_link(di2, di1, 0.0);
1991                                                         }
1992                                                 i_set1++;
1993
1994                                                 if (i_set1 + 1 > static_cast<gint>(array_set1->len) - 1)
1995                                                         {
1996                                                         break;
1997                                                         }
1998                                                 di2 = static_cast<DupeItem *>(g_array_index(array_set1, gpointer, i_set1 + 1));
1999                                                 check_result = dupe_match_check(di1, di2, dw);
2000                                                 }
2001                                         }
2002                                 }
2003                         }
2004                 }
2005         g_array_free(array_set1, TRUE);
2006         g_array_free(array_set2, TRUE);
2007 }
2008
2009 /**
2010  * @brief Look for similarity match
2011  * @param dw
2012  * @param needle
2013  * @param start
2014  *
2015  * Only used for similarity checks.\n
2016  * Called from dupe_check_cb.
2017  * Called for each entry in the list.
2018  * Steps through the list looking for matches against needle.
2019  * Pushes a #DupeQueueItem onto thread pool queue.
2020  */
2021 static void dupe_list_check_match(DupeWindow *dw, DupeItem *needle, GList *start)
2022 {
2023         GList *work;
2024         DupeQueueItem *dqi;
2025
2026         if (dw->second_set)
2027                 {
2028                 work = dw->second_list;
2029                 }
2030         else if (start)
2031                 {
2032                 work = start;
2033                 }
2034         else
2035                 {
2036                 work = g_list_last(dw->list);
2037                 }
2038
2039         dqi = g_new0(DupeQueueItem, 1);
2040         dqi->needle = needle;
2041         dqi->dw = dw;
2042         dqi->work = work;
2043         dqi->index = dw->queue_count;
2044         g_thread_pool_push(dw->dupe_comparison_thread_pool, dqi, nullptr);
2045 }
2046
2047 /*
2048  * ------------------------------------------------------------------
2049  * Thumbnail handling
2050  * ------------------------------------------------------------------
2051  */
2052
2053 static void dupe_listview_set_thumb(DupeWindow *dw, DupeItem *di, GtkTreeIter *iter)
2054 {
2055         GtkListStore *store;
2056         GtkTreeIter iter_n;
2057
2058         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
2059         if (!iter)
2060                 {
2061                 if (dupe_listview_find_item(store, di, &iter_n) >= 0)
2062                         {
2063                         iter = &iter_n;
2064                         }
2065                 }
2066
2067         if (iter) gtk_list_store_set(store, iter, DUPE_COLUMN_THUMB, di->pixbuf, -1);
2068 }
2069
2070 static void dupe_thumb_do(DupeWindow *dw)
2071 {
2072         DupeItem *di;
2073
2074         if (!dw->thumb_loader || !dw->thumb_item) return;
2075         di = dw->thumb_item;
2076
2077         if (di->pixbuf) g_object_unref(di->pixbuf);
2078         di->pixbuf = thumb_loader_get_pixbuf(dw->thumb_loader);
2079
2080         dupe_listview_set_thumb(dw, di, nullptr);
2081 }
2082
2083 static void dupe_thumb_error_cb(ThumbLoader *, gpointer data)
2084 {
2085         auto dw = static_cast<DupeWindow *>(data);
2086
2087         dupe_thumb_do(dw);
2088         dupe_thumb_step(dw);
2089 }
2090
2091 static void dupe_thumb_done_cb(ThumbLoader *, gpointer data)
2092 {
2093         auto dw = static_cast<DupeWindow *>(data);
2094
2095         dupe_thumb_do(dw);
2096         dupe_thumb_step(dw);
2097 }
2098
2099 static void dupe_thumb_step(DupeWindow *dw)
2100 {
2101         GtkTreeModel *store;
2102         GtkTreeIter iter;
2103         DupeItem *di = nullptr;
2104         gboolean valid;
2105         gint row = 0;
2106         gint length = 0;
2107
2108         store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
2109         valid = gtk_tree_model_get_iter_first(store, &iter);
2110
2111         while (!di && valid)
2112                 {
2113                 GdkPixbuf *pixbuf;
2114
2115                 length++;
2116                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, DUPE_COLUMN_THUMB, &pixbuf, -1);
2117                 if (pixbuf || di->pixbuf)
2118                         {
2119                         if (!pixbuf) gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_THUMB, di->pixbuf, -1);
2120                         row++;
2121                         di = nullptr;
2122                         }
2123                 valid = gtk_tree_model_iter_next(store, &iter);
2124                 }
2125         if (valid)
2126                 {
2127                 while (gtk_tree_model_iter_next(store, &iter)) length++;
2128                 }
2129
2130         if (!di)
2131                 {
2132                 dw->thumb_item = nullptr;
2133                 thumb_loader_free(dw->thumb_loader);
2134                 dw->thumb_loader = nullptr;
2135
2136                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
2137                 return;
2138                 }
2139
2140         dupe_window_update_progress(dw, _("Loading thumbs..."),
2141                                     length == 0 ? 0.0 : static_cast<gdouble>(row) / length, FALSE);
2142
2143         dw->thumb_item = di;
2144         thumb_loader_free(dw->thumb_loader);
2145         dw->thumb_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
2146
2147         thumb_loader_set_callbacks(dw->thumb_loader,
2148                                    dupe_thumb_done_cb,
2149                                    dupe_thumb_error_cb,
2150                                    nullptr,
2151                                    dw);
2152
2153         /* start it */
2154         if (!thumb_loader_start(dw->thumb_loader, di->fd))
2155                 {
2156                 /* error, handle it, do next */
2157                 DEBUG_1("error loading thumb for %s", di->fd->path);
2158                 dupe_thumb_do(dw);
2159                 dupe_thumb_step(dw);
2160                 }
2161 }
2162
2163 /*
2164  * ------------------------------------------------------------------
2165  * Dupe checking loop
2166  * ------------------------------------------------------------------
2167  */
2168
2169 static void dupe_check_stop(DupeWindow *dw)
2170 {
2171         if (dw->idle_id > 0)
2172                 {
2173                 g_source_remove(dw->idle_id);
2174                 dw->idle_id = 0;
2175                 }
2176
2177         dw->abort = TRUE;
2178
2179         while (dw->thread_count < dw->queue_count) // Wait for the queue to empty
2180                 {
2181                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
2182                 widget_set_cursor(dw->listview, -1);
2183                 }
2184
2185         g_list_free(dw->search_matches);
2186         dw->search_matches = nullptr;
2187
2188         if (dw->idle_id || dw->img_loader || dw->thumb_loader)
2189                 {
2190                 if (dw->idle_id > 0)
2191                         {
2192                         g_source_remove(dw->idle_id);
2193                         dw->idle_id = 0;
2194                         }
2195                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
2196                 widget_set_cursor(dw->listview, -1);
2197                 }
2198
2199         if (dw->add_files_queue_id)
2200                 {
2201                 g_source_remove(dw->add_files_queue_id);
2202                 dw->add_files_queue_id = 0;
2203                 dupe_destroy_list_cache(dw);
2204                 gtk_widget_set_sensitive(dw->controls_box, TRUE);
2205                 if (g_list_length(dw->add_files_queue) > 0)
2206                         {
2207                         filelist_free(dw->add_files_queue);
2208                         }
2209                 dw->add_files_queue = nullptr;
2210                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
2211                 widget_set_cursor(dw->listview, -1);
2212                 }
2213
2214         thumb_loader_free(dw->thumb_loader);
2215         dw->thumb_loader = nullptr;
2216
2217         image_loader_free(dw->img_loader);
2218         dw->img_loader = nullptr;
2219 }
2220
2221 static void dupe_check_stop_cb(GtkWidget *, gpointer data)
2222 {
2223         auto dw = static_cast<DupeWindow *>(data);
2224
2225         dupe_check_stop(dw);
2226 }
2227
2228 static void dupe_loader_done_cb(ImageLoader *il, gpointer data)
2229 {
2230         auto dw = static_cast<DupeWindow *>(data);
2231         GdkPixbuf *pixbuf;
2232
2233         pixbuf = image_loader_get_pixbuf(il);
2234
2235         if (dw->setup_point)
2236                 {
2237                 auto di = static_cast<DupeItem *>(dw->setup_point->data);
2238
2239                 if (!di->simd)
2240                         {
2241                         di->simd = image_sim_new_from_pixbuf(pixbuf);
2242                         }
2243                 else
2244                         {
2245                         image_sim_fill_data(di->simd, pixbuf);
2246                         }
2247
2248                 if (di->width == 0 && di->height == 0)
2249                         {
2250                         di->width = gdk_pixbuf_get_width(pixbuf);
2251                         di->height = gdk_pixbuf_get_height(pixbuf);
2252                         }
2253                 if (options->thumbnails.enable_caching)
2254                         {
2255                         dupe_item_write_cache(di);
2256                         }
2257
2258                 image_sim_alternate_processing(di->simd);
2259                 }
2260
2261         image_loader_free(dw->img_loader);
2262         dw->img_loader = nullptr;
2263
2264         dw->idle_id = g_idle_add(dupe_check_cb, dw);
2265 }
2266
2267 static void dupe_setup_reset(DupeWindow *dw)
2268 {
2269         dw->setup_point = nullptr;
2270         dw->setup_n = 0;
2271         dw->setup_time = msec_time();
2272         dw->setup_time_count = 0;
2273 }
2274
2275 static GList *dupe_setup_point_step(DupeWindow *dw, GList *p)
2276 {
2277         if (!p) return nullptr;
2278
2279         if (p->next) return p->next;
2280
2281         if (dw->second_set && g_list_first(p) == dw->list) return dw->second_list;
2282
2283         return nullptr;
2284 }
2285
2286 /**
2287  * @brief Generates the sumcheck or dimensions
2288  * @param list Set1 or set2
2289  * @returns TRUE/FALSE = not completed/completed
2290  *
2291  * Ensures that the DIs contain the MD5SUM or dimensions for all items in
2292  * the list. One item at a time. Re-enters if not completed.
2293  */
2294 static gboolean create_checksums_dimensions(DupeWindow *dw, GList *list)
2295 {
2296                 if ((dw->match_mask & DUPE_MATCH_SUM) ||
2297                         (dw->match_mask & DUPE_MATCH_NAME_CONTENT) ||
2298                         (dw->match_mask & DUPE_MATCH_NAME_CI_CONTENT))
2299                         {
2300                         /* MD5SUM only */
2301                         if (!dw->setup_point) dw->setup_point = list; // setup_point clear on 1st entry
2302
2303                         while (dw->setup_point)
2304                                 {
2305                                 auto di = static_cast<DupeItem *>(dw->setup_point->data);
2306
2307                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
2308                                 dw->setup_n++;
2309
2310                                 if (!di->md5sum)
2311                                         {
2312                                         dupe_window_update_progress(dw, _("Reading checksums..."),
2313                                                 dw->setup_count == 0 ? 0.0 : static_cast<gdouble>(dw->setup_n - 1) / dw->setup_count, FALSE);
2314
2315                                         if (options->thumbnails.enable_caching)
2316                                                 {
2317                                                 dupe_item_read_cache(di);
2318                                                 if (di->md5sum)
2319                                                         {
2320                                                         return TRUE;
2321                                                         }
2322                                                 }
2323
2324                                         di->md5sum = md5_text_from_file_utf8(di->fd->path, "");
2325                                         if (options->thumbnails.enable_caching)
2326                                                 {
2327                                                 dupe_item_write_cache(di);
2328                                                 }
2329                                         return TRUE;
2330                                         }
2331                                 }
2332                         dupe_setup_reset(dw);
2333                         }
2334
2335                 if ((dw->match_mask & DUPE_MATCH_DIM)  )
2336                         {
2337                         /* Dimensions only */
2338                         if (!dw->setup_point) dw->setup_point = list;
2339
2340                         while (dw->setup_point)
2341                                 {
2342                                 auto di = static_cast<DupeItem *>(dw->setup_point->data);
2343
2344                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
2345                                 dw->setup_n++;
2346                                 if (di->width == 0 && di->height == 0)
2347                                         {
2348                                         dupe_window_update_progress(dw, _("Reading dimensions..."),
2349                                                 dw->setup_count == 0 ? 0.0 : static_cast<gdouble>(dw->setup_n - 1) / dw->setup_count, FALSE);
2350
2351                                         if (options->thumbnails.enable_caching)
2352                                                 {
2353                                                 dupe_item_read_cache(di);
2354                                                 if (di->width != 0 || di->height != 0)
2355                                                         {
2356                                                         return TRUE;
2357                                                         }
2358                                                 }
2359
2360                                         image_load_dimensions(di->fd, &di->width, &di->height);
2361                                         di->dimensions = (di->width << 16) + di->height;
2362                                         if (options->thumbnails.enable_caching)
2363                                                 {
2364                                                 dupe_item_write_cache(di);
2365                                                 }
2366                                         return TRUE;
2367                                         }
2368                                 }
2369                         dupe_setup_reset(dw);
2370                         }
2371
2372         return FALSE;
2373 }
2374
2375 /**
2376  * @brief Compare func. for sorting search matches
2377  * @param a #DupeSearchMatch
2378  * @param b #DupeSearchMatch
2379  * @returns
2380  *
2381  * Used only for similarity checks\n
2382  * Sorts search matches on order they were inserted into the pool queue
2383  */
2384 static gint sort_func(gconstpointer a, gconstpointer b)
2385 {
2386         return static_cast<const DupeSearchMatch *>(a)->index - static_cast<const DupeSearchMatch *>(b)->index;
2387 }
2388
2389 /**
2390  * @brief Check set 1 (and set 2) for matches
2391  * @param data DupeWindow
2392  * @returns TRUE/FALSE = not completed/completed
2393  *
2394  * Initiated from start, loader done and item remove
2395  *
2396  * On first entry generates di->MD5SUM, di->dimensions and sim data,
2397  * and updates the cache.
2398  */
2399 static gboolean dupe_check_cb(gpointer data)
2400 {
2401         auto dw = static_cast<DupeWindow *>(data);
2402         DupeSearchMatch *search_match_list_item;
2403         gchar *progress_text;
2404
2405         if (!dw->idle_id)
2406                 {
2407                 return G_SOURCE_REMOVE;
2408                 }
2409
2410         if (!dw->setup_done) /* Clear on 1st entry */
2411                 {
2412                 if (dw->list)
2413                         {
2414                         if (create_checksums_dimensions(dw, dw->list))
2415                                 {
2416                                 return G_SOURCE_CONTINUE;
2417                                 }
2418                         }
2419                 if (dw->second_list)
2420                         {
2421                         if (create_checksums_dimensions(dw, dw->second_list))
2422                                 {
2423                                 return G_SOURCE_CONTINUE;
2424                                 }
2425                         }
2426                 if ((dw->match_mask & DUPE_MATCH_SIM_HIGH ||
2427                      dw->match_mask & DUPE_MATCH_SIM_MED ||
2428                      dw->match_mask & DUPE_MATCH_SIM_LOW ||
2429                      dw->match_mask & DUPE_MATCH_SIM_CUSTOM) &&
2430                     !(dw->setup_mask & DUPE_MATCH_SIM_MED) )
2431                         {
2432                         /* Similarity only */
2433                         if (!dw->setup_point) dw->setup_point = dw->list;
2434
2435                         while (dw->setup_point)
2436                                 {
2437                                 auto di = static_cast<DupeItem *>(dw->setup_point->data);
2438
2439                                 if (!di->simd)
2440                                         {
2441                                         dupe_window_update_progress(dw, _("Reading similarity data..."),
2442                                                 dw->setup_count == 0 ? 0.0 : static_cast<gdouble>(dw->setup_n) / dw->setup_count, FALSE);
2443
2444                                         if (options->thumbnails.enable_caching)
2445                                                 {
2446                                                 dupe_item_read_cache(di);
2447                                                 if (cache_sim_data_filled(di->simd))
2448                                                         {
2449                                                         image_sim_alternate_processing(di->simd);
2450                                                         return G_SOURCE_CONTINUE;
2451                                                         }
2452                                                 }
2453
2454                                         dw->img_loader = image_loader_new(di->fd);
2455                                         image_loader_set_buffer_size(dw->img_loader, 8);
2456                                         g_signal_connect(G_OBJECT(dw->img_loader), "error", (GCallback)dupe_loader_done_cb, dw);
2457                                         g_signal_connect(G_OBJECT(dw->img_loader), "done", (GCallback)dupe_loader_done_cb, dw);
2458
2459                                         if (!image_loader_start(dw->img_loader))
2460                                                 {
2461                                                 image_sim_free(di->simd);
2462                                                 di->simd = image_sim_new();
2463                                                 image_loader_free(dw->img_loader);
2464                                                 dw->img_loader = nullptr;
2465                                                 return G_SOURCE_CONTINUE;
2466                                                 }
2467                                         dw->idle_id = 0;
2468                                         return G_SOURCE_REMOVE;
2469                                         }
2470
2471                                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
2472                                 dw->setup_n++;
2473                                 }
2474                         dw->setup_mask = static_cast<DupeMatchType>(dw->setup_mask | DUPE_MATCH_SIM_MED);
2475                         dupe_setup_reset(dw);
2476                         }
2477
2478                 /* End of setup not done */
2479                 dupe_window_update_progress(dw, _("Comparing..."), 0.0, FALSE);
2480                 dw->setup_done = TRUE;
2481                 dupe_setup_reset(dw);
2482                 dw->setup_count = g_list_length(dw->list);
2483                 }
2484
2485         /* Setup done - dw->working set to NULL below
2486          * Set before 1st entry: dw->working = g_list_last(dw->list)
2487          * Set before 1st entry: dw->setup_count = g_list_length(dw->list)
2488          */
2489         if (!dw->working)
2490                 {
2491                 /* Similarity check threads may still be running */
2492                 if (dw->setup_count > 0 && (dw->match_mask == DUPE_MATCH_SIM_HIGH ||
2493                         dw->match_mask == DUPE_MATCH_SIM_MED ||
2494                         dw->match_mask == DUPE_MATCH_SIM_LOW ||
2495                         dw->match_mask == DUPE_MATCH_SIM_CUSTOM))
2496                         {
2497                         if( dw->thread_count < dw->queue_count)
2498                                 {
2499                                 progress_text = g_strdup_printf("%s %d%s%d", _("Comparing"), dw->thread_count, "/", dw->queue_count);
2500
2501                                 dupe_window_update_progress(dw, progress_text, (gdouble)dw->thread_count / dw->queue_count, TRUE);
2502
2503                                 g_free(progress_text);
2504
2505                                 return G_SOURCE_CONTINUE;
2506                                 }
2507
2508                         if (dw->search_matches_sorted == nullptr)
2509                                 {
2510                                 dw->search_matches_sorted = g_list_sort(dw->search_matches, sort_func);
2511                                 dupe_setup_reset(dw);
2512                                 }
2513
2514                         while (dw->search_matches_sorted)
2515                                 {
2516                                 dw->setup_n++;
2517                                 dupe_window_update_progress(dw, _("Sorting..."), 0.0, FALSE);
2518                                 search_match_list_item = static_cast<DupeSearchMatch *>(dw->search_matches_sorted->data);
2519
2520                                 if (!dupe_match_link_exists(search_match_list_item->a, search_match_list_item->b))
2521                                         {
2522                                         dupe_match_link(search_match_list_item->a, search_match_list_item->b, search_match_list_item->rank);
2523                                         }
2524
2525                                 dw->search_matches_sorted = dw->search_matches_sorted->next;
2526
2527                                 if (dw->search_matches_sorted != nullptr)
2528                                         {
2529                                         return G_SOURCE_CONTINUE;
2530                                         }
2531                                 }
2532                         g_list_free(dw->search_matches);
2533                         dw->search_matches = nullptr;
2534                         g_list_free(dw->search_matches_sorted);
2535                         dw->search_matches_sorted = nullptr;
2536                         dw->setup_count = 0;
2537                         }
2538                 else
2539                         {
2540                         if (dw->setup_count > 0)
2541                                 {
2542                                 dw->setup_count = 0;
2543                                 dupe_window_update_progress(dw, _("Sorting..."), 1.0, TRUE);
2544                                 return G_SOURCE_CONTINUE;
2545                                 }
2546                         }
2547
2548                 dw->idle_id = 0;
2549                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
2550
2551                 dupe_match_rank(dw);
2552                 dupe_window_update_count(dw, FALSE);
2553
2554                 dupe_listview_populate(dw);
2555
2556                 /* check thumbs */
2557                 if (dw->show_thumbs) dupe_thumb_step(dw);
2558
2559                 widget_set_cursor(dw->listview, -1);
2560
2561                 return G_SOURCE_REMOVE;
2562                 /* The end */
2563                 }
2564
2565         /* Setup done - working */
2566         if (dw->match_mask == DUPE_MATCH_SIM_HIGH ||
2567                 dw->match_mask == DUPE_MATCH_SIM_MED ||
2568                 dw->match_mask == DUPE_MATCH_SIM_LOW ||
2569                 dw->match_mask == DUPE_MATCH_SIM_CUSTOM)
2570                 {
2571                 /* This is the similarity comparison */
2572                 dupe_list_check_match(dw, static_cast<DupeItem *>(dw->working->data), dw->working);
2573                 dupe_window_update_progress(dw, _("Queuing..."), dw->setup_count == 0 ? 0.0 : static_cast<gdouble>(dw->setup_n) / dw->setup_count, FALSE);
2574                 dw->setup_n++;
2575                 dw->queue_count++;
2576
2577                 dw->working = dw->working->prev; /* Is NULL when complete */
2578                 }
2579         else
2580                 {
2581                 /* This is the comparison for all other parameters.
2582                  * dupe_array_check() processes the entire list in one go
2583                 */
2584                 dw->working = nullptr;
2585                 dupe_window_update_progress(dw, _("Comparing..."), 0.0, FALSE);
2586                 dupe_array_check(dw);
2587                 }
2588
2589         return G_SOURCE_CONTINUE;
2590 }
2591
2592 static void dupe_check_start(DupeWindow *dw)
2593 {
2594         dw->setup_done = FALSE;
2595
2596         dw->setup_count = g_list_length(dw->list);
2597         if (dw->second_set) dw->setup_count += g_list_length(dw->second_list);
2598
2599         dw->setup_mask = DUPE_MATCH_NONE;
2600         dupe_setup_reset(dw);
2601
2602         dw->working = g_list_last(dw->list);
2603
2604         dupe_window_update_count(dw, TRUE);
2605         widget_set_cursor(dw->listview, GDK_WATCH);
2606         dw->queue_count = 0;
2607         dw->thread_count = 0;
2608         dw->search_matches_sorted = nullptr;
2609         dw->abort = FALSE;
2610
2611         if (dw->idle_id) return;
2612
2613         dw->idle_id = g_idle_add(dupe_check_cb, dw);
2614 }
2615
2616 static gboolean dupe_check_start_cb(gpointer data)
2617 {
2618         auto dw = static_cast<DupeWindow *>(data);
2619
2620         dupe_check_start(dw);
2621
2622         return FALSE;
2623 }
2624
2625 /*
2626  * ------------------------------------------------------------------
2627  * Item addition, removal
2628  * ------------------------------------------------------------------
2629  */
2630
2631 static void dupe_item_remove(DupeWindow *dw, DupeItem *di)
2632 {
2633         if (!di) return;
2634
2635         /* handle things that may be in progress... */
2636         if (dw->working && dw->working->data == di)
2637                 {
2638                 dw->working = dw->working->prev;
2639                 }
2640         if (dw->thumb_loader && dw->thumb_item == di)
2641                 {
2642                 dupe_thumb_step(dw);
2643                 }
2644         if (dw->setup_point && dw->setup_point->data == di)
2645                 {
2646                 dw->setup_point = dupe_setup_point_step(dw, dw->setup_point);
2647                 if (dw->img_loader)
2648                         {
2649                         image_loader_free(dw->img_loader);
2650                         dw->img_loader = nullptr;
2651                         dw->idle_id = g_idle_add(dupe_check_cb, dw);
2652                         }
2653                 }
2654
2655         if (di->group && dw->dupes)
2656                 {
2657                 /* is a dupe, must remove from group/reset children if a parent */
2658                 DupeItem *parent;
2659
2660                 parent = dupe_match_find_parent(dw, di);
2661                 if (di == parent)
2662                         {
2663                         if (g_list_length(parent->group) < 2)
2664                                 {
2665                                 DupeItem *child;
2666
2667                                 child = dupe_match_highest_rank(parent);
2668                                 dupe_match_link_clear(child, TRUE);
2669                                 dupe_listview_remove(dw, child);
2670
2671                                 dupe_match_link_clear(parent, TRUE);
2672                                 dupe_listview_remove(dw, parent);
2673                                 dw->dupes = g_list_remove(dw->dupes, parent);
2674                                 }
2675                         else
2676                                 {
2677                                 DupeItem *new_parent;
2678                                 DupeMatch *dm;
2679
2680                                 dm = static_cast<DupeMatch *>(parent->group->data);
2681                                 new_parent = dm->di;
2682                                 dupe_match_reparent(dw, parent, new_parent);
2683                                 dupe_listview_remove(dw, parent);
2684                                 }
2685                         }
2686                 else
2687                         {
2688                         if (g_list_length(parent->group) < 2)
2689                                 {
2690                                 dupe_match_link_clear(parent, TRUE);
2691                                 dupe_listview_remove(dw, parent);
2692                                 dw->dupes = g_list_remove(dw->dupes, parent);
2693                                 }
2694                         dupe_match_link_clear(di, TRUE);
2695                         dupe_listview_remove(dw, di);
2696                         }
2697                 }
2698         else
2699                 {
2700                 /* not a dupe, or not sorted yet, simply reset */
2701                 dupe_match_link_clear(di, TRUE);
2702                 }
2703
2704         if (dw->second_list && g_list_find(dw->second_list, di))
2705                 {
2706                 dupe_second_remove(dw, di);
2707                 }
2708         else
2709                 {
2710                 dw->list = g_list_remove(dw->list, di);
2711                 }
2712         dupe_item_free(di);
2713
2714         dupe_window_update_count(dw, FALSE);
2715 }
2716
2717 #pragma GCC diagnostic push
2718 #pragma GCC diagnostic ignored "-Wunused-function"
2719 static gboolean dupe_item_remove_by_path_unused(DupeWindow *dw, const gchar *path)
2720 {
2721         DupeItem *di;
2722
2723         di = dupe_item_find_path_unused(dw, path);
2724         if (!di) return FALSE;
2725
2726         dupe_item_remove(dw, di);
2727
2728         return TRUE;
2729 }
2730 #pragma GCC diagnostic pop
2731
2732 static gboolean dupe_files_add_queue_cb(gpointer data)
2733 {
2734         DupeItem *di = nullptr;
2735         auto dw = static_cast<DupeWindow *>(data);
2736         FileData *fd;
2737         GList *queue = dw->add_files_queue;
2738
2739         gtk_progress_bar_pulse(GTK_PROGRESS_BAR(dw->extra_label));
2740
2741         if (queue == nullptr)
2742                 {
2743                 dw->add_files_queue_id = 0;
2744                 dupe_destroy_list_cache(dw);
2745                 g_idle_add(dupe_check_start_cb, dw);
2746                 gtk_widget_set_sensitive(dw->controls_box, TRUE);
2747                 return FALSE;
2748                 }
2749
2750         fd = static_cast<FileData *>(queue->data);
2751         if (fd)
2752                 {
2753                 if (isfile(fd->path))
2754                         {
2755                         di = dupe_item_new(fd);
2756                         }
2757                 else if (isdir(fd->path))
2758                         {
2759                         GList *f, *d;
2760                         dw->add_files_queue = g_list_remove(dw->add_files_queue, g_list_first(dw->add_files_queue)->data);
2761
2762                         if (filelist_read(fd, &f, &d))
2763                                 {
2764                                 f = filelist_filter(f, FALSE);
2765                                 d = filelist_filter(d, TRUE);
2766
2767                                 dw->add_files_queue = g_list_concat(f, dw->add_files_queue);
2768                                 dw->add_files_queue = g_list_concat(d, dw->add_files_queue);
2769                                 }
2770                         }
2771                 else
2772                         {
2773                         /* Not a file and not a dir */
2774                         dw->add_files_queue = g_list_remove(dw->add_files_queue, g_list_first(dw->add_files_queue)->data);
2775                         }
2776                 }
2777
2778         if (!di)
2779                 {
2780                 /* A dir was found. Process the contents on next entry */
2781                 return TRUE;
2782                 }
2783
2784         dw->add_files_queue = g_list_remove(dw->add_files_queue, g_list_first(dw->add_files_queue)->data);
2785
2786         dupe_item_read_cache(di);
2787
2788         /* Ensure images in the lists have unique FileDatas */
2789         if (!dupe_insert_in_list_cache(dw, di->fd))
2790                 {
2791                 dupe_item_free(di);
2792                 return TRUE;
2793                 }
2794
2795         if (dw->second_drop)
2796                 {
2797                 dupe_second_add(dw, di);
2798                 }
2799         else
2800                 {
2801                 dw->list = g_list_prepend(dw->list, di);
2802                 }
2803
2804         if (dw->add_files_queue != nullptr)
2805                 {
2806                 return TRUE;
2807                 }
2808
2809         dw->add_files_queue_id = 0;
2810         dupe_destroy_list_cache(dw);
2811         g_idle_add(dupe_check_start_cb, dw);
2812         gtk_widget_set_sensitive(dw->controls_box, TRUE);
2813         return FALSE;
2814 }
2815
2816 static void dupe_files_add(DupeWindow *dw, CollectionData *, CollectInfo *info,
2817                            FileData *fd, gboolean recurse)
2818 {
2819         DupeItem *di = nullptr;
2820
2821         if (info)
2822                 {
2823                 di = dupe_item_new(info->fd);
2824                 }
2825         else if (fd)
2826                 {
2827                 if (isfile(fd->path) && !g_file_test(fd->path, G_FILE_TEST_IS_SYMLINK))
2828                         {
2829                         di = dupe_item_new(fd);
2830                         }
2831                 else if (isdir(fd->path) && recurse)
2832                         {
2833                         GList *f, *d;
2834                         if (filelist_read(fd, &f, &d))
2835                                 {
2836                                 GList *work;
2837
2838                                 f = filelist_filter(f, FALSE);
2839                                 d = filelist_filter(d, TRUE);
2840
2841                                 work = f;
2842                                 while (work)
2843                                         {
2844                                         dupe_files_add(dw, nullptr, nullptr, static_cast<FileData *>(work->data), TRUE);
2845                                         work = work->next;
2846                                         }
2847                                 filelist_free(f);
2848                                 work = d;
2849                                 while (work)
2850                                         {
2851                                         dupe_files_add(dw, nullptr, nullptr, static_cast<FileData *>(work->data), TRUE);
2852                                         work = work->next;
2853                                         }
2854                                 filelist_free(d);
2855                                 }
2856                         }
2857                 }
2858
2859         if (!di) return;
2860
2861         dupe_item_read_cache(di);
2862
2863         /* Ensure images in the lists have unique FileDatas */
2864         GList *work;
2865         DupeItem *di_list;
2866         work = g_list_first(dw->list);
2867         while (work)
2868                 {
2869                 di_list = static_cast<DupeItem *>(work->data);
2870                 if (di_list->fd == di->fd)
2871                         {
2872                         return;
2873                         }
2874
2875                 work = work->next;
2876                 }
2877
2878         if (dw->second_list)
2879                 {
2880                 work = g_list_first(dw->second_list);
2881                 while (work)
2882                         {
2883                         di_list = static_cast<DupeItem *>(work->data);
2884                         if (di_list->fd == di->fd)
2885                                 {
2886                                 return;
2887                                 }
2888
2889                         work = work->next;
2890                         }
2891                 }
2892
2893         if (dw->second_drop)
2894                 {
2895                 dupe_second_add(dw, di);
2896                 }
2897         else
2898                 {
2899                 dw->list = g_list_prepend(dw->list, di);
2900                 }
2901 }
2902
2903 static void dupe_init_list_cache(DupeWindow *dw)
2904 {
2905         dw->list_cache = g_hash_table_new(g_direct_hash, g_direct_equal);
2906         dw->second_list_cache = g_hash_table_new(g_direct_hash, g_direct_equal);
2907
2908         for (GList *i = dw->list; i != nullptr; i = i->next)
2909                 {
2910                         auto di = static_cast<DupeItem *>(i->data);
2911
2912                         g_hash_table_add(dw->list_cache, di->fd);
2913                 }
2914
2915         for (GList *i = dw->second_list; i != nullptr; i = i->next)
2916                 {
2917                         auto di = static_cast<DupeItem *>(i->data);
2918
2919                         g_hash_table_add(dw->second_list_cache, di->fd);
2920                 }
2921 }
2922
2923 static void dupe_destroy_list_cache(DupeWindow *dw)
2924 {
2925         g_hash_table_destroy(dw->list_cache);
2926         g_hash_table_destroy(dw->second_list_cache);
2927 }
2928
2929 /**
2930  * @brief Return true if the fd was not in the cache
2931  * @param dw
2932  * @param fd
2933  * @returns
2934  *
2935  *
2936  */
2937 static gboolean dupe_insert_in_list_cache(DupeWindow *dw, FileData *fd)
2938 {
2939         GHashTable *table =
2940                 dw->second_drop ? dw->second_list_cache : dw->list_cache;
2941         /* We do this as a lookup + add as we don't want to overwrite
2942            items as that would leak the old value. */
2943         if (g_hash_table_lookup(table, fd) != nullptr)
2944                 return FALSE;
2945         return g_hash_table_add(table, fd);
2946 }
2947
2948 void dupe_window_add_collection(DupeWindow *dw, CollectionData *collection)
2949 {
2950         CollectInfo *info;
2951
2952         info = collection_get_first(collection);
2953         while (info)
2954                 {
2955                 dupe_files_add(dw, collection, info, nullptr, FALSE);
2956                 info = collection_next_by_info(collection, info);
2957                 }
2958
2959         dupe_check_start(dw);
2960 }
2961
2962 void dupe_window_add_files(DupeWindow *dw, GList *list, gboolean recurse)
2963 {
2964         GList *work;
2965
2966         work = list;
2967         while (work)
2968                 {
2969                 auto fd = static_cast<FileData *>(work->data);
2970                 work = work->next;
2971                 if (isdir(fd->path) && !recurse)
2972                         {
2973                         GList *f, *d;
2974
2975                         if (filelist_read(fd, &f, &d))
2976                                 {
2977                                 GList *work_file;
2978                                 work_file = f;
2979
2980                                 while (work_file)
2981                                         {
2982                                         /* Add only the files, ignore the dirs when no recurse */
2983                                         dw->add_files_queue = g_list_prepend(dw->add_files_queue, work_file->data);
2984                                         file_data_ref((FileData *)work_file->data);
2985                                         work_file = work_file->next;
2986                                         }
2987                                 g_list_free(f);
2988                                 g_list_free(d);
2989                                 }
2990                         }
2991                 else
2992                         {
2993                         dw->add_files_queue = g_list_prepend(dw->add_files_queue, fd);
2994                         file_data_ref(fd);
2995                         }
2996                 }
2997         if (dw->add_files_queue_id == 0)
2998                 {
2999                 gtk_progress_bar_pulse(GTK_PROGRESS_BAR(dw->extra_label));
3000                 gtk_progress_bar_set_pulse_step(GTK_PROGRESS_BAR(dw->extra_label), DUPE_PROGRESS_PULSE_STEP);
3001                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), _("Loading file list"));
3002
3003                 dupe_init_list_cache(dw);
3004                 dw->add_files_queue_id = g_idle_add(dupe_files_add_queue_cb, dw);
3005                 gtk_widget_set_sensitive(dw->controls_box, FALSE);
3006                 }
3007 }
3008
3009 static void dupe_item_update(DupeWindow *dw, DupeItem *di)
3010 {
3011         if ( (dw->match_mask & DUPE_MATCH_NAME) || (dw->match_mask & DUPE_MATCH_PATH || (dw->match_mask & DUPE_MATCH_NAME_CI)) )
3012                 {
3013                 /* only effects matches on name or path */
3014 /*
3015                 FileData *fd = file_data_ref(di->fd);
3016                 gint second;
3017
3018                 second = di->second;
3019                 dupe_item_remove(dw, di);
3020
3021                 dw->second_drop = second;
3022                 dupe_files_add(dw, NULL, NULL, fd, FALSE);
3023                 dw->second_drop = FALSE;
3024
3025                 file_data_unref(fd);
3026 */
3027                 dupe_check_start(dw);
3028                 }
3029         else
3030                 {
3031                 GtkListStore *store;
3032                 GtkTreeIter iter;
3033                 gint row;
3034                 /* update the listview(s) */
3035
3036                 store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
3037                 row = dupe_listview_find_item(store, di, &iter);
3038                 if (row >= 0)
3039                         {
3040                         gtk_list_store_set(store, &iter,
3041                                            DUPE_COLUMN_NAME, di->fd->name,
3042                                            DUPE_COLUMN_PATH, di->fd->path, -1);
3043                         }
3044
3045                 if (dw->second_listview)
3046                         {
3047                         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
3048                         row = dupe_listview_find_item(store, di, &iter);
3049                         if (row >= 0)
3050                                 {
3051                                 gtk_list_store_set(store, &iter, 1, di->fd->path, -1);
3052                                 }
3053                         }
3054                 }
3055
3056 }
3057
3058 static void dupe_item_update_fd_in_list(DupeWindow *dw, FileData *fd, GList *work)
3059 {
3060         while (work)
3061                 {
3062                 auto di = static_cast<DupeItem *>(work->data);
3063
3064                 if (di->fd == fd)
3065                         dupe_item_update(dw, di);
3066
3067                 work = work->next;
3068                 }
3069 }
3070
3071 static void dupe_item_update_fd(DupeWindow *dw, FileData *fd)
3072 {
3073         dupe_item_update_fd_in_list(dw, fd, dw->list);
3074         if (dw->second_set) dupe_item_update_fd_in_list(dw, fd, dw->second_list);
3075 }
3076
3077
3078 /*
3079  * ------------------------------------------------------------------
3080  * Misc.
3081  * ------------------------------------------------------------------
3082  */
3083
3084 static GtkWidget *dupe_display_label(GtkWidget *vbox, const gchar *description, const gchar *text)
3085 {
3086         GtkWidget *hbox;
3087         GtkWidget *label;
3088
3089         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10);
3090
3091         label = gtk_label_new(description);
3092         gq_gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
3093         gtk_widget_show(label);
3094
3095         label = gtk_label_new(text);
3096         gq_gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
3097         gtk_widget_show(label);
3098
3099         gq_gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
3100         gtk_widget_show(hbox);
3101
3102         return label;
3103 }
3104
3105 static void dupe_display_stats(DupeWindow *dw, DupeItem *di)
3106 {
3107         GenericDialog *gd;
3108         gchar *buf;
3109
3110         if (!di) return;
3111
3112         gd = file_util_gen_dlg("Image thumbprint debug info", "thumbprint",
3113                                dw->window, TRUE,
3114                                nullptr, nullptr);
3115         generic_dialog_add_button(gd, GQ_ICON_CLOSE, _("Close"), nullptr, TRUE);
3116
3117         dupe_display_label(gd->vbox, "name:", di->fd->name);
3118         buf = text_from_size(di->fd->size);
3119         dupe_display_label(gd->vbox, "size:", buf);
3120         g_free(buf);
3121         dupe_display_label(gd->vbox, "date:", text_from_time(di->fd->date));
3122         buf = g_strdup_printf("%d x %d", di->width, di->height);
3123         dupe_display_label(gd->vbox, "dimensions:", buf);
3124         g_free(buf);
3125         dupe_display_label(gd->vbox, "md5sum:", (di->md5sum) ? di->md5sum : "not generated");
3126
3127         dupe_display_label(gd->vbox, "thumbprint:", (di->simd) ? "" : "not generated");
3128         if (di->simd)
3129                 {
3130                 GtkWidget *image;
3131                 GdkPixbuf *pixbuf;
3132                 gint x, y;
3133                 guchar *d_pix;
3134                 guchar *dp;
3135                 gint rs;
3136                 gint sp;
3137
3138                 pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, 32, 32);
3139                 rs = gdk_pixbuf_get_rowstride(pixbuf);
3140                 d_pix = gdk_pixbuf_get_pixels(pixbuf);
3141
3142                 for (y = 0; y < 32; y++)
3143                         {
3144                         dp = d_pix + (y * rs);
3145                         sp = y * 32;
3146                         for (x = 0; x < 32; x++)
3147                                 {
3148                                 *(dp++) = di->simd->avg_r[sp + x];
3149                                 *(dp++) = di->simd->avg_g[sp + x];
3150                                 *(dp++) = di->simd->avg_b[sp + x];
3151                                 }
3152                         }
3153
3154                 image = gtk_image_new_from_pixbuf(pixbuf);
3155                 gq_gtk_box_pack_start(GTK_BOX(gd->vbox), image, FALSE, FALSE, 0);
3156                 gtk_widget_show(image);
3157
3158                 g_object_unref(pixbuf);
3159                 }
3160
3161         gtk_widget_show(gd->dialog);
3162 }
3163
3164 static void dupe_window_recompare(DupeWindow *dw)
3165 {
3166         GtkListStore *store;
3167
3168         dupe_check_stop(dw);
3169
3170         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
3171         gtk_list_store_clear(store);
3172
3173         g_list_free(dw->dupes);
3174         dw->dupes = nullptr;
3175
3176         dupe_match_reset_list(dw->list);
3177         dupe_match_reset_list(dw->second_list);
3178         dw->set_count = 0;
3179
3180         dupe_check_start(dw);
3181 }
3182
3183 static void dupe_menu_view(DupeWindow *dw, DupeItem *di, GtkWidget *listview, gint new_window)
3184 {
3185         if (!di) return;
3186
3187         if (di->collection && collection_info_valid(di->collection, di->info))
3188                 {
3189                 if (new_window)
3190                         {
3191                         view_window_new_from_collection(di->collection, di->info);
3192                         }
3193                 else
3194                         {
3195                         layout_image_set_collection(nullptr, di->collection, di->info);
3196                         }
3197                 }
3198         else
3199                 {
3200                 if (new_window)
3201                         {
3202                         GList *list;
3203
3204                         list = dupe_listview_get_selection(dw, listview);
3205                         view_window_new_from_list(list);
3206                         filelist_free(list);
3207                         }
3208                 else
3209                         {
3210                         layout_set_fd(nullptr, di->fd);
3211                         }
3212                 }
3213 }
3214
3215 static void dupe_window_remove_selection(DupeWindow *dw, GtkWidget *listview)
3216 {
3217         GtkTreeSelection *selection;
3218         GtkTreeModel *store;
3219         GtkTreeIter iter;
3220         GList *slist;
3221         GList *list = nullptr;
3222         GList *work;
3223
3224         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
3225         slist = gtk_tree_selection_get_selected_rows(selection, &store);
3226         work = slist;
3227         while (work)
3228                 {
3229                 auto tpath = static_cast<GtkTreePath *>(work->data);
3230                 DupeItem *di = nullptr;
3231
3232                 gtk_tree_model_get_iter(store, &iter, tpath);
3233                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
3234                 if (di) list = g_list_prepend(list, di);
3235                 work = work->next;
3236                 }
3237         g_list_free_full(slist, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
3238
3239         dw->color_frozen = TRUE;
3240         work = list;
3241         while (work)
3242                 {
3243                 DupeItem *di;
3244
3245                 di = static_cast<DupeItem *>(work->data);
3246                 work = work->next;
3247                 dupe_item_remove(dw, di);
3248                 }
3249         dw->color_frozen = FALSE;
3250
3251         g_list_free(list);
3252
3253         dupe_listview_realign_colors(dw);
3254 }
3255
3256 static void dupe_window_edit_selected(DupeWindow *dw, const gchar *key)
3257 {
3258         file_util_start_editor_from_filelist(key, dupe_listview_get_selection(dw, dw->listview), nullptr, dw->window);
3259 }
3260
3261 static void dupe_window_collection_from_selection(DupeWindow *dw)
3262 {
3263         CollectWindow *w;
3264         GList *list;
3265
3266         list = dupe_listview_get_selection(dw, dw->listview);
3267         w = collection_window_new(nullptr);
3268         collection_table_add_filelist(w->table, list);
3269         filelist_free(list);
3270 }
3271
3272 static void dupe_window_append_file_list(DupeWindow *dw, gint on_second)
3273 {
3274         GList *list;
3275
3276         dw->second_drop = (dw->second_set && on_second);
3277
3278         list = layout_list(nullptr);
3279         dupe_window_add_files(dw, list, FALSE);
3280         filelist_free(list);
3281 }
3282
3283 /*
3284  *-------------------------------------------------------------------
3285  * main pop-up menu callbacks
3286  *-------------------------------------------------------------------
3287  */
3288
3289 static void dupe_menu_view_cb(GtkWidget *, gpointer data)
3290 {
3291         auto dw = static_cast<DupeWindow *>(data);
3292
3293         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->listview, FALSE);
3294 }
3295
3296 static void dupe_menu_viewnew_cb(GtkWidget *, gpointer data)
3297 {
3298         auto dw = static_cast<DupeWindow *>(data);
3299
3300         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->listview, TRUE);
3301 }
3302
3303 static void dupe_menu_select_all_cb(GtkWidget *, gpointer data)
3304 {
3305         auto dw = static_cast<DupeWindow *>(data);
3306         GtkTreeSelection *selection;
3307
3308         options->duplicates_select_type = DUPE_SELECT_NONE;
3309         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
3310         gtk_tree_selection_select_all(selection);
3311 }
3312
3313 static void dupe_menu_select_none_cb(GtkWidget *, gpointer data)
3314 {
3315         auto dw = static_cast<DupeWindow *>(data);
3316         GtkTreeSelection *selection;
3317
3318         options->duplicates_select_type = DUPE_SELECT_NONE;
3319         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
3320         gtk_tree_selection_unselect_all(selection);
3321 }
3322
3323 static void dupe_menu_select_dupes_set1_cb(GtkWidget *, gpointer data)
3324 {
3325         auto dw = static_cast<DupeWindow *>(data);
3326
3327         options->duplicates_select_type = DUPE_SELECT_GROUP1;
3328         dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP1);
3329 }
3330
3331 static void dupe_menu_select_dupes_set2_cb(GtkWidget *, gpointer data)
3332 {
3333         auto dw = static_cast<DupeWindow *>(data);
3334
3335         options->duplicates_select_type = DUPE_SELECT_GROUP2;
3336         dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP2);
3337 }
3338
3339 static void dupe_menu_edit_cb(GtkWidget *widget, gpointer data)
3340 {
3341         DupeWindow *dw;
3342         auto key = static_cast<const gchar *>(data);
3343
3344         dw = static_cast<DupeWindow *>(submenu_item_get_data(widget));
3345         if (!dw) return;
3346
3347         dupe_window_edit_selected(dw, key);
3348 }
3349
3350 static void dupe_menu_print_cb(GtkWidget *, gpointer data)
3351 {
3352         auto dw = static_cast<DupeWindow *>(data);
3353         FileData *fd;
3354
3355         fd = (dw->click_item) ? dw->click_item->fd : nullptr;
3356
3357         print_window_new(fd,
3358                          dupe_listview_get_selection(dw, dw->listview),
3359                          dupe_listview_get_filelist(dw, dw->listview), dw->window);
3360 }
3361
3362 static void dupe_menu_copy_cb(GtkWidget *, gpointer data)
3363 {
3364         auto dw = static_cast<DupeWindow *>(data);
3365
3366         file_util_copy(nullptr, dupe_listview_get_selection(dw, dw->listview), nullptr, dw->window);
3367 }
3368
3369 static void dupe_menu_move_cb(GtkWidget *, gpointer data)
3370 {
3371         auto dw = static_cast<DupeWindow *>(data);
3372
3373         file_util_move(nullptr, dupe_listview_get_selection(dw, dw->listview), nullptr, dw->window);
3374 }
3375
3376 static void dupe_menu_rename_cb(GtkWidget *, gpointer data)
3377 {
3378         auto dw = static_cast<DupeWindow *>(data);
3379
3380         file_util_rename(nullptr, dupe_listview_get_selection(dw, dw->listview), dw->window);
3381 }
3382
3383 static void dupe_menu_delete_cb(GtkWidget *, gpointer data)
3384 {
3385         auto dw = static_cast<DupeWindow *>(data);
3386
3387         options->file_ops.safe_delete_enable = FALSE;
3388         file_util_delete_notify_done(nullptr, dupe_listview_get_selection(dw, dw->listview), dw->window, delete_finished_cb, dw);
3389 }
3390
3391 static void dupe_menu_move_to_trash_cb(GtkWidget *, gpointer data)
3392 {
3393         auto dw = static_cast<DupeWindow *>(data);
3394
3395         options->file_ops.safe_delete_enable = TRUE;
3396         file_util_delete_notify_done(nullptr, dupe_listview_get_selection(dw, dw->listview), dw->window, delete_finished_cb, dw);
3397 }
3398
3399 static void dupe_menu_copy_path_cb(GtkWidget *, gpointer data)
3400 {
3401         auto dw = static_cast<DupeWindow *>(data);
3402
3403         file_util_copy_path_list_to_clipboard(dupe_listview_get_selection(dw, dw->listview), TRUE);
3404 }
3405
3406 static void dupe_menu_copy_path_unquoted_cb(GtkWidget *, gpointer data)
3407 {
3408         auto dw = static_cast<DupeWindow *>(data);
3409
3410         file_util_copy_path_list_to_clipboard(dupe_listview_get_selection(dw, dw->listview), FALSE);
3411 }
3412
3413 static void dupe_menu_remove_cb(GtkWidget *, gpointer data)
3414 {
3415         auto dw = static_cast<DupeWindow *>(data);
3416
3417         dupe_window_remove_selection(dw, dw->listview);
3418 }
3419
3420 static void dupe_menu_clear_cb(GtkWidget *, gpointer data)
3421 {
3422         auto dw = static_cast<DupeWindow *>(data);
3423
3424         dupe_window_clear(dw);
3425 }
3426
3427 static void dupe_menu_close_cb(GtkWidget *, gpointer data)
3428 {
3429         auto dw = static_cast<DupeWindow *>(data);
3430
3431         dupe_window_close(dw);
3432 }
3433
3434 static void dupe_menu_popup_destroy_cb(GtkWidget *, gpointer data)
3435 {
3436         auto editmenu_fd_list = static_cast<GList *>(data);
3437
3438         filelist_free(editmenu_fd_list);
3439 }
3440
3441 static GList *dupe_window_get_fd_list(DupeWindow *dw)
3442 {
3443         GList *list;
3444
3445         if (gtk_widget_has_focus(dw->second_listview))
3446                 {
3447                 list = dupe_listview_get_selection(dw, dw->second_listview);
3448                 }
3449         else
3450                 {
3451                 list = dupe_listview_get_selection(dw, dw->listview);
3452                 }
3453
3454         return list;
3455 }
3456
3457 /**
3458  * @brief Add file selection list to a collection
3459  * @param[in] widget
3460  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
3461  *
3462  *
3463  */
3464 static void dupe_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
3465 {
3466         DupeWindow *dw;
3467         GList *selection_list;
3468
3469         dw = static_cast<DupeWindow *>(submenu_item_get_data(widget));
3470         selection_list = dupe_listview_get_selection(dw, dw->listview);
3471         pop_menu_collections(selection_list, data);
3472
3473         filelist_free(selection_list);
3474 }
3475
3476 static GtkWidget *dupe_menu_popup_main(DupeWindow *dw, DupeItem *di)
3477 {
3478         GtkWidget *menu;
3479         GtkWidget *item;
3480         gint on_row;
3481         GList *editmenu_fd_list;
3482         GtkAccelGroup *accel_group;
3483
3484         on_row = (di != nullptr);
3485
3486         menu = popup_menu_short_lived();
3487
3488         accel_group = gtk_accel_group_new();
3489         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
3490
3491         g_object_set_data(G_OBJECT(menu), "window_keys", dupe_window_keys);
3492         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
3493
3494         menu_item_add_sensitive(menu, _("_View"), on_row,
3495                                 G_CALLBACK(dupe_menu_view_cb), dw);
3496         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, on_row,
3497                                 G_CALLBACK(dupe_menu_viewnew_cb), dw);
3498         menu_item_add_divider(menu);
3499         menu_item_add_sensitive(menu, _("Select all"), (dw->dupes != nullptr),
3500                                 G_CALLBACK(dupe_menu_select_all_cb), dw);
3501         menu_item_add_sensitive(menu, _("Select none"), (dw->dupes != nullptr),
3502                                 G_CALLBACK(dupe_menu_select_none_cb), dw);
3503         menu_item_add_sensitive(menu, _("Select group _1 duplicates"), (dw->dupes != nullptr),
3504                                 G_CALLBACK(dupe_menu_select_dupes_set1_cb), dw);
3505         menu_item_add_sensitive(menu, _("Select group _2 duplicates"), (dw->dupes != nullptr),
3506                                 G_CALLBACK(dupe_menu_select_dupes_set2_cb), dw);
3507         menu_item_add_divider(menu);
3508
3509         submenu_add_export(menu, &item, G_CALLBACK(dupe_pop_menu_export_cb), dw);
3510         gtk_widget_set_sensitive(item, on_row);
3511         menu_item_add_divider(menu);
3512
3513         editmenu_fd_list = dupe_window_get_fd_list(dw);
3514         g_signal_connect(G_OBJECT(menu), "destroy",
3515                          G_CALLBACK(dupe_menu_popup_destroy_cb), editmenu_fd_list);
3516         submenu_add_edit(menu, &item, G_CALLBACK(dupe_menu_edit_cb), dw, editmenu_fd_list);
3517         if (!on_row) gtk_widget_set_sensitive(item, FALSE);
3518
3519         submenu_add_collections(menu, &item,
3520                                                                 G_CALLBACK(dupe_pop_menu_collections_cb), dw);
3521         gtk_widget_set_sensitive(item, on_row);
3522
3523         menu_item_add_icon_sensitive(menu, _("Print..."), GQ_ICON_PRINT, on_row,
3524                                 G_CALLBACK(dupe_menu_print_cb), dw);
3525         menu_item_add_divider(menu);
3526         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, on_row,
3527                                 G_CALLBACK(dupe_menu_copy_cb), dw);
3528         menu_item_add_sensitive(menu, _("_Move..."), on_row,
3529                                 G_CALLBACK(dupe_menu_move_cb), dw);
3530         menu_item_add_sensitive(menu, _("_Rename..."), on_row,
3531                                 G_CALLBACK(dupe_menu_rename_cb), dw);
3532         menu_item_add_sensitive(menu, _("_Copy path"), on_row,
3533                                 G_CALLBACK(dupe_menu_copy_path_cb), dw);
3534         menu_item_add_sensitive(menu, _("_Copy path unquoted"), on_row,
3535                                 G_CALLBACK(dupe_menu_copy_path_unquoted_cb), dw);
3536
3537         menu_item_add_divider(menu);
3538         menu_item_add_icon_sensitive(menu,
3539                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
3540                                         _("Move to Trash"), GQ_ICON_DELETE, on_row,
3541                                 G_CALLBACK(dupe_menu_move_to_trash_cb), dw);
3542         menu_item_add_icon_sensitive(menu,
3543                                 options->file_ops.confirm_delete ? _("_Delete...") :
3544                                         _("_Delete"), GQ_ICON_DELETE_SHRED, on_row,
3545                                 G_CALLBACK(dupe_menu_delete_cb), dw);
3546
3547         menu_item_add_divider(menu);
3548         menu_item_add_icon_sensitive(menu, _("Rem_ove"), GQ_ICON_REMOVE, on_row,
3549                                 G_CALLBACK(dupe_menu_remove_cb), dw);
3550         menu_item_add_icon_sensitive(menu, _("C_lear"), GQ_ICON_CLEAR, (dw->list != nullptr),
3551                                 G_CALLBACK(dupe_menu_clear_cb), dw);
3552         menu_item_add_divider(menu);
3553         menu_item_add_icon(menu, _("Close _window"), GQ_ICON_CLOSE,
3554                             G_CALLBACK(dupe_menu_close_cb), dw);
3555
3556         return menu;
3557 }
3558
3559 static gboolean dupe_listview_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
3560 {
3561         auto dw = static_cast<DupeWindow *>(data);
3562         GtkTreeModel *store;
3563         GtkTreePath *tpath;
3564         GtkTreeIter iter;
3565         DupeItem *di = nullptr;
3566
3567         store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
3568
3569         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
3570                                           &tpath, nullptr, nullptr, nullptr))
3571                 {
3572                 gtk_tree_model_get_iter(store, &iter, tpath);
3573                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
3574                 gtk_tree_path_free(tpath);
3575                 }
3576
3577         dw->click_item = di;
3578
3579         if (bevent->button == MOUSE_BUTTON_RIGHT)
3580                 {
3581                 /* right click menu */
3582                 GtkWidget *menu;
3583
3584                 if (bevent->state & GDK_CONTROL_MASK && bevent->state & GDK_SHIFT_MASK)
3585                         {
3586                         dupe_display_stats(dw, di);
3587                         return TRUE;
3588                         }
3589                 if (widget == dw->listview)
3590                         {
3591                         menu = dupe_menu_popup_main(dw, di);
3592                         }
3593                 else
3594                         {
3595                         menu = dupe_menu_popup_second(dw, di);
3596                         }
3597                 gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
3598                 }
3599
3600         if (!di) return FALSE;
3601
3602         if (bevent->button == MOUSE_BUTTON_LEFT &&
3603             bevent->type == GDK_2BUTTON_PRESS)
3604                 {
3605                 dupe_menu_view(dw, di, widget, FALSE);
3606                 }
3607
3608         if (bevent->button == MOUSE_BUTTON_MIDDLE) return TRUE;
3609
3610         if (bevent->button == MOUSE_BUTTON_RIGHT)
3611                 {
3612                 if (!dupe_listview_item_is_selected(dw, di, widget))
3613                         {
3614                         GtkTreeSelection *selection;
3615
3616                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
3617                         gtk_tree_selection_unselect_all(selection);
3618                         gtk_tree_selection_select_iter(selection, &iter);
3619
3620                         tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
3621                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, nullptr, FALSE);
3622                         gtk_tree_path_free(tpath);
3623                         }
3624
3625                 return TRUE;
3626                 }
3627
3628         if (bevent->button == MOUSE_BUTTON_LEFT &&
3629             bevent->type == GDK_BUTTON_PRESS &&
3630             !(bevent->state & GDK_SHIFT_MASK ) &&
3631             !(bevent->state & GDK_CONTROL_MASK ) &&
3632             dupe_listview_item_is_selected(dw, di, widget))
3633                 {
3634                 /* this selection handled on release_cb */
3635                 gtk_widget_grab_focus(widget);
3636                 return TRUE;
3637                 }
3638
3639         return FALSE;
3640 }
3641
3642 static gboolean dupe_listview_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
3643 {
3644         auto dw = static_cast<DupeWindow *>(data);
3645         GtkTreeModel *store;
3646         GtkTreePath *tpath;
3647         GtkTreeIter iter;
3648         DupeItem *di = nullptr;
3649
3650         if (bevent->button != MOUSE_BUTTON_LEFT && bevent->button != MOUSE_BUTTON_MIDDLE) return TRUE;
3651
3652         store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
3653
3654         if ((bevent->x != 0 || bevent->y != 0) &&
3655             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
3656                                           &tpath, nullptr, nullptr, nullptr))
3657                 {
3658                 gtk_tree_model_get_iter(store, &iter, tpath);
3659                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
3660                 gtk_tree_path_free(tpath);
3661                 }
3662
3663         if (bevent->button == MOUSE_BUTTON_MIDDLE)
3664                 {
3665                 if (di && dw->click_item == di)
3666                         {
3667                         GtkTreeSelection *selection;
3668
3669                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
3670                         if (dupe_listview_item_is_selected(dw, di, widget))
3671                                 {
3672                                 gtk_tree_selection_unselect_iter(selection, &iter);
3673                                 }
3674                         else
3675                                 {
3676                                 gtk_tree_selection_select_iter(selection, &iter);
3677                                 }
3678                         }
3679                 return TRUE;
3680                 }
3681
3682         if (di && dw->click_item == di &&
3683             !(bevent->state & GDK_SHIFT_MASK ) &&
3684             !(bevent->state & GDK_CONTROL_MASK ) &&
3685             dupe_listview_item_is_selected(dw, di, widget))
3686                 {
3687                 GtkTreeSelection *selection;
3688
3689                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
3690                 gtk_tree_selection_unselect_all(selection);
3691                 gtk_tree_selection_select_iter(selection, &iter);
3692
3693                 tpath = gtk_tree_model_get_path(store, &iter);
3694                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, nullptr, FALSE);
3695                 gtk_tree_path_free(tpath);
3696
3697                 return TRUE;
3698                 }
3699
3700         return FALSE;
3701 }
3702
3703 /*
3704  *-------------------------------------------------------------------
3705  * second set stuff
3706  *-------------------------------------------------------------------
3707  */
3708
3709 static void dupe_second_update_status(DupeWindow *dw)
3710 {
3711         gchar *buf;
3712
3713         buf = g_strdup_printf(_("%d files (set 2)"), g_list_length(dw->second_list));
3714         gtk_label_set_text(GTK_LABEL(dw->second_status_label), buf);
3715         g_free(buf);
3716 }
3717
3718 static void dupe_second_add(DupeWindow *dw, DupeItem *di)
3719 {
3720         GtkListStore *store;
3721         GtkTreeIter iter;
3722
3723         if (!di) return;
3724
3725         di->second = TRUE;
3726         dw->second_list = g_list_prepend(dw->second_list, di);
3727
3728         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
3729         gtk_list_store_append(store, &iter);
3730         gtk_list_store_set(store, &iter, DUPE_COLUMN_POINTER, di, 1, di->fd->path, -1);
3731
3732         dupe_second_update_status(dw);
3733 }
3734
3735 static void dupe_second_remove(DupeWindow *dw, DupeItem *di)
3736 {
3737         GtkListStore *store;
3738         GtkTreeIter iter;
3739
3740         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
3741         if (dupe_listview_find_item(store, di, &iter) >= 0)
3742                 {
3743                 tree_view_move_cursor_away(GTK_TREE_VIEW(dw->second_listview), &iter, TRUE);
3744                 gtk_list_store_remove(store, &iter);
3745                 }
3746
3747         dw->second_list = g_list_remove(dw->second_list, di);
3748
3749         dupe_second_update_status(dw);
3750 }
3751
3752 static void dupe_second_clear(DupeWindow *dw)
3753 {
3754         GtkListStore *store;
3755
3756         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->second_listview)));
3757         gtk_list_store_clear(store);
3758         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->second_listview));
3759
3760         g_list_free(dw->dupes);
3761         dw->dupes = nullptr;
3762
3763         g_list_free_full(dw->second_list, reinterpret_cast<GDestroyNotify>(dupe_item_free));
3764         dw->second_list = nullptr;
3765
3766         dupe_match_reset_list(dw->list);
3767
3768         dupe_second_update_status(dw);
3769 }
3770
3771 static void dupe_second_menu_view_cb(GtkWidget *, gpointer data)
3772 {
3773         auto dw = static_cast<DupeWindow *>(data);
3774
3775         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->second_listview, FALSE);
3776 }
3777
3778 static void dupe_second_menu_viewnew_cb(GtkWidget *, gpointer data)
3779 {
3780         auto dw = static_cast<DupeWindow *>(data);
3781
3782         if (dw->click_item) dupe_menu_view(dw, dw->click_item, dw->second_listview, TRUE);
3783 }
3784
3785 static void dupe_second_menu_select_all_cb(GtkWidget *, gpointer data)
3786 {
3787         GtkTreeSelection *selection;
3788         auto dw = static_cast<DupeWindow *>(data);
3789
3790         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
3791         gtk_tree_selection_select_all(selection);
3792 }
3793
3794 static void dupe_second_menu_select_none_cb(GtkWidget *, gpointer data)
3795 {
3796         GtkTreeSelection *selection;
3797         auto dw = static_cast<DupeWindow *>(data);
3798
3799         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
3800         gtk_tree_selection_unselect_all(selection);
3801 }
3802
3803 static void dupe_second_menu_remove_cb(GtkWidget *, gpointer data)
3804 {
3805         auto dw = static_cast<DupeWindow *>(data);
3806
3807         dupe_window_remove_selection(dw, dw->second_listview);
3808 }
3809
3810 static void dupe_second_menu_clear_cb(GtkWidget *, gpointer data)
3811 {
3812         auto dw = static_cast<DupeWindow *>(data);
3813
3814         dupe_second_clear(dw);
3815         dupe_window_recompare(dw);
3816 }
3817
3818 static GtkWidget *dupe_menu_popup_second(DupeWindow *dw, DupeItem *di)
3819 {
3820         GtkWidget *menu;
3821         gboolean notempty = (dw->second_list != nullptr);
3822         gboolean on_row = (di != nullptr);
3823         GtkAccelGroup *accel_group;
3824
3825         menu = popup_menu_short_lived();
3826         accel_group = gtk_accel_group_new();
3827         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
3828
3829         g_object_set_data(G_OBJECT(menu), "window_keys", dupe_window_keys);
3830         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
3831
3832         menu_item_add_sensitive(menu, _("_View"), on_row,
3833                                 G_CALLBACK(dupe_second_menu_view_cb), dw);
3834         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, on_row,
3835                                 G_CALLBACK(dupe_second_menu_viewnew_cb), dw);
3836         menu_item_add_divider(menu);
3837         menu_item_add_sensitive(menu, _("Select all"), notempty,
3838                                 G_CALLBACK(dupe_second_menu_select_all_cb), dw);
3839         menu_item_add_sensitive(menu, _("Select none"), notempty,
3840                                 G_CALLBACK(dupe_second_menu_select_none_cb), dw);
3841         menu_item_add_divider(menu);
3842         menu_item_add_icon_sensitive(menu, _("Rem_ove"), GQ_ICON_REMOVE, on_row,
3843                                       G_CALLBACK(dupe_second_menu_remove_cb), dw);
3844         menu_item_add_icon_sensitive(menu, _("C_lear"), GQ_ICON_CLEAR, notempty,
3845                                    G_CALLBACK(dupe_second_menu_clear_cb), dw);
3846         menu_item_add_divider(menu);
3847         menu_item_add_icon(menu, _("Close _window"), GQ_ICON_CLOSE,
3848                             G_CALLBACK(dupe_menu_close_cb), dw);
3849
3850         return menu;
3851 }
3852
3853 static void dupe_second_set_toggle_cb(GtkWidget *widget, gpointer data)
3854 {
3855         auto dw = static_cast<DupeWindow *>(data);
3856
3857         dw->second_set = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
3858
3859         if (dw->second_set)
3860                 {
3861                 dupe_second_update_status(dw);
3862                 gtk_grid_set_column_spacing(GTK_GRID(dw->table), PREF_PAD_GAP);
3863                 gtk_widget_show(dw->second_vbox);
3864                 }
3865         else
3866                 {
3867                 gtk_grid_set_column_spacing(GTK_GRID(dw->table), 0);
3868                 gtk_widget_hide(dw->second_vbox);
3869                 dupe_second_clear(dw);
3870                 }
3871
3872         dupe_window_recompare(dw);
3873 }
3874
3875 static void dupe_sort_totals_toggle_cb(GtkWidget *widget, gpointer data)
3876 {
3877         auto dw = static_cast<DupeWindow *>(data);
3878
3879         options->sort_totals = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
3880         dupe_window_recompare(dw);
3881
3882 }
3883
3884 /*
3885  *-------------------------------------------------------------------
3886  * match type menu
3887  *-------------------------------------------------------------------
3888  */
3889
3890 enum {
3891         DUPE_MENU_COLUMN_NAME = 0,
3892         DUPE_MENU_COLUMN_MASK
3893 };
3894
3895 static void dupe_listview_show_rank(GtkWidget *listview, gboolean rank);
3896
3897 static void dupe_menu_type_cb(GtkWidget *combo, gpointer data)
3898 {
3899         auto dw = static_cast<DupeWindow *>(data);
3900         GtkTreeModel *store;
3901         GtkTreeIter iter;
3902
3903         store = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
3904         if (!gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter)) return;
3905         gtk_tree_model_get(store, &iter, DUPE_MENU_COLUMN_MASK, &dw->match_mask, -1);
3906
3907         options->duplicates_match = dw->match_mask;
3908
3909         if (dw->match_mask & (DUPE_MATCH_SIM_HIGH | DUPE_MATCH_SIM_MED | DUPE_MATCH_SIM_LOW | DUPE_MATCH_SIM_CUSTOM))
3910                 {
3911                 dupe_listview_show_rank(dw->listview, TRUE);
3912                 }
3913         else
3914                 {
3915                 dupe_listview_show_rank(dw->listview, FALSE);
3916                 }
3917         dupe_window_recompare(dw);
3918 }
3919
3920 static void dupe_menu_add_item(GtkListStore *store, const gchar *text, DupeMatchType type, DupeWindow *dw)
3921 {
3922         GtkTreeIter iter;
3923
3924         gtk_list_store_append(store, &iter);
3925         gtk_list_store_set(store, &iter, DUPE_MENU_COLUMN_NAME, text,
3926                                          DUPE_MENU_COLUMN_MASK, type, -1);
3927
3928         if (dw->match_mask == type) gtk_combo_box_set_active_iter(GTK_COMBO_BOX(dw->combo), &iter);
3929 }
3930
3931 static void dupe_menu_setup(DupeWindow *dw)
3932 {
3933         GtkListStore *store;
3934         GtkCellRenderer *renderer;
3935
3936         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
3937         dw->combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
3938         g_object_unref(store);
3939
3940         renderer = gtk_cell_renderer_text_new();
3941         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(dw->combo), renderer, TRUE);
3942         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(dw->combo), renderer,
3943                                        "text", DUPE_MENU_COLUMN_NAME, NULL);
3944
3945         dupe_menu_add_item(store, _("Name"), DUPE_MATCH_NAME, dw);
3946         dupe_menu_add_item(store, _("Name case-insensitive"), DUPE_MATCH_NAME_CI, dw);
3947         dupe_menu_add_item(store, _("Size"), DUPE_MATCH_SIZE, dw);
3948         dupe_menu_add_item(store, _("Date"), DUPE_MATCH_DATE, dw);
3949         dupe_menu_add_item(store, _("Dimensions"), DUPE_MATCH_DIM, dw);
3950         dupe_menu_add_item(store, _("Checksum"), DUPE_MATCH_SUM, dw);
3951         dupe_menu_add_item(store, _("Path"), DUPE_MATCH_PATH, dw);
3952         dupe_menu_add_item(store, _("Similarity (high - 95)"), DUPE_MATCH_SIM_HIGH, dw);
3953         dupe_menu_add_item(store, _("Similarity (med. - 90)"), DUPE_MATCH_SIM_MED, dw);
3954         dupe_menu_add_item(store, _("Similarity (low - 85)"), DUPE_MATCH_SIM_LOW, dw);
3955         dupe_menu_add_item(store, _("Similarity (custom)"), DUPE_MATCH_SIM_CUSTOM, dw);
3956         dupe_menu_add_item(store, _("Name ≠ content"), DUPE_MATCH_NAME_CONTENT, dw);
3957         dupe_menu_add_item(store, _("Name case-insensitive ≠ content"), DUPE_MATCH_NAME_CI_CONTENT, dw);
3958         dupe_menu_add_item(store, _("Show all"), DUPE_MATCH_ALL, dw);
3959
3960         g_signal_connect(G_OBJECT(dw->combo), "changed",
3961                          G_CALLBACK(dupe_menu_type_cb), dw);
3962 }
3963
3964 /*
3965  *-------------------------------------------------------------------
3966  * list view columns
3967  *-------------------------------------------------------------------
3968  */
3969
3970 /* this overrides the low default of a GtkCellRenderer from 100 to CELL_HEIGHT_OVERRIDE, something sane for our purposes */
3971
3972 enum {
3973         CELL_HEIGHT_OVERRIDE = 512
3974 };
3975
3976 void cell_renderer_height_override(GtkCellRenderer *renderer)
3977 {
3978         GParamSpec *spec;
3979
3980         spec = g_object_class_find_property(G_OBJECT_GET_CLASS(G_OBJECT(renderer)), "height");
3981         if (spec && G_IS_PARAM_SPEC_INT(spec))
3982                 {
3983                 GParamSpecInt *spec_int;
3984
3985                 spec_int = G_PARAM_SPEC_INT(spec);
3986                 if (spec_int->maximum < CELL_HEIGHT_OVERRIDE) spec_int->maximum = CELL_HEIGHT_OVERRIDE;
3987                 }
3988 }
3989
3990 static GdkRGBA *dupe_listview_color_shifted(GtkWidget *widget)
3991 {
3992         static GdkRGBA color;
3993         static GdkRGBA color_style;
3994         static GtkWidget *done = nullptr;
3995
3996         if (done != widget)
3997                 {
3998                 GtkStyle *style;
3999
4000                 style = gtk_widget_get_style(widget);
4001                 convert_gdkcolor_to_gdkrgba(&style->base[GTK_STATE_NORMAL], &color_style);
4002
4003                 memcpy(&color, &color_style, sizeof(color));
4004                 shift_color(&color, -1, 0);
4005                 done = widget;
4006                 }
4007
4008         return &color;
4009 }
4010
4011 static void dupe_listview_color_cb(GtkTreeViewColumn *, GtkCellRenderer *cell,
4012                                    GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
4013 {
4014         auto dw = static_cast<DupeWindow *>(data);
4015         gboolean set;
4016
4017         gtk_tree_model_get(tree_model, iter, DUPE_COLUMN_COLOR, &set, -1);
4018         g_object_set(G_OBJECT(cell),
4019                      "cell-background-rgba", dupe_listview_color_shifted(dw->listview),
4020                      "cell-background-set", set, NULL);
4021 }
4022
4023 static void dupe_listview_add_column(DupeWindow *dw, GtkWidget *listview, gint n, const gchar *title, gboolean image, gboolean right_justify)
4024 {
4025         GtkTreeViewColumn *column;
4026         GtkCellRenderer *renderer;
4027
4028         column = gtk_tree_view_column_new();
4029         gtk_tree_view_column_set_title(column, title);
4030         gtk_tree_view_column_set_min_width(column, 4);
4031         gtk_tree_view_column_set_sort_column_id(column, n);
4032
4033         if (n != DUPE_COLUMN_RANK &&
4034             n != DUPE_COLUMN_THUMB)
4035                 {
4036                 gtk_tree_view_column_set_resizable(column, TRUE);
4037                 }
4038
4039         if (!image)
4040                 {
4041                 gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
4042                 renderer = gtk_cell_renderer_text_new();
4043                 if (right_justify)
4044                         {
4045                         g_object_set(G_OBJECT(renderer), "xalign", 1.0, NULL);
4046                         }
4047                 gtk_tree_view_column_pack_start(column, renderer, TRUE);
4048                 gtk_tree_view_column_add_attribute(column, renderer, "text", n);
4049                 }
4050         else
4051                 {
4052                 gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
4053                 renderer = gtk_cell_renderer_pixbuf_new();
4054                 cell_renderer_height_override(renderer);
4055                 gtk_tree_view_column_pack_start(column, renderer, TRUE);
4056                 gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", n);
4057                 }
4058
4059         if (listview == dw->listview)
4060                 {
4061                 /* sets background before rendering */
4062                 gtk_tree_view_column_set_cell_data_func(column, renderer, dupe_listview_color_cb, dw, nullptr);
4063                 }
4064
4065         gtk_tree_view_append_column(GTK_TREE_VIEW(listview), column);
4066 }
4067
4068 static void dupe_listview_set_height(GtkWidget *listview, gboolean thumb)
4069 {
4070         GtkTreeViewColumn *column;
4071         GtkCellRenderer *cell;
4072         GList *list;
4073
4074         column = gtk_tree_view_get_column(GTK_TREE_VIEW(listview), DUPE_COLUMN_THUMB - 1);
4075         if (!column) return;
4076
4077         gtk_tree_view_column_set_fixed_width(column, (thumb) ? options->thumbnails.max_width : 4);
4078         gtk_tree_view_column_set_visible(column, thumb);
4079
4080         list = gtk_cell_layout_get_cells(GTK_CELL_LAYOUT(column));
4081         if (!list) return;
4082         cell = static_cast<GtkCellRenderer *>(list->data);
4083         g_list_free(list);
4084
4085         g_object_set(G_OBJECT(cell), "height", (thumb) ? options->thumbnails.max_height : -1, NULL);
4086         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(listview));
4087 }
4088
4089 static void dupe_listview_show_rank(GtkWidget *listview, gboolean rank)
4090 {
4091         GtkTreeViewColumn *column;
4092
4093         column = gtk_tree_view_get_column(GTK_TREE_VIEW(listview), DUPE_COLUMN_RANK - 1);
4094         if (!column) return;
4095
4096         gtk_tree_view_column_set_visible(column, rank);
4097 }
4098
4099 /*
4100  *-------------------------------------------------------------------
4101  * misc cb
4102  *-------------------------------------------------------------------
4103  */
4104
4105 static void dupe_window_show_thumb_cb(GtkWidget *widget, gpointer data)
4106 {
4107         auto dw = static_cast<DupeWindow *>(data);
4108
4109         dw->show_thumbs = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
4110         options->duplicates_thumbnails = dw->show_thumbs;
4111
4112         if (dw->show_thumbs)
4113                 {
4114                 if (!dw->working) dupe_thumb_step(dw);
4115                 }
4116         else
4117                 {
4118                 GtkTreeModel *store;
4119                 GtkTreeIter iter;
4120                 gboolean valid;
4121
4122                 thumb_loader_free(dw->thumb_loader);
4123                 dw->thumb_loader = nullptr;
4124
4125                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview));
4126                 valid = gtk_tree_model_get_iter_first(store, &iter);
4127
4128                 while (valid)
4129                         {
4130                         gtk_list_store_set(GTK_LIST_STORE(store), &iter, DUPE_COLUMN_THUMB, NULL, -1);
4131                         valid = gtk_tree_model_iter_next(store, &iter);
4132                         }
4133                 dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
4134                 }
4135
4136         dupe_listview_set_height(dw->listview, dw->show_thumbs);
4137 }
4138
4139 static void dupe_window_rotation_invariant_cb(GtkWidget *widget, gpointer data)
4140 {
4141         auto dw = static_cast<DupeWindow *>(data);
4142
4143         options->rot_invariant_sim = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
4144         dupe_window_recompare(dw);
4145 }
4146
4147 static void dupe_window_custom_threshold_cb(GtkWidget *widget, gpointer data)
4148 {
4149         auto dw = static_cast<DupeWindow *>(data);
4150         DupeMatchType match_type;
4151         GtkTreeModel *store;
4152         gboolean valid;
4153         GtkTreeIter iter;
4154
4155         options->duplicates_similarity_threshold = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(widget));
4156         dw->match_mask = DUPE_MATCH_SIM_CUSTOM;
4157
4158         store = gtk_combo_box_get_model(GTK_COMBO_BOX(dw->combo));
4159         valid = gtk_tree_model_get_iter_first(store, &iter);
4160         while (valid)
4161                 {
4162                 gtk_tree_model_get(store, &iter, DUPE_MENU_COLUMN_MASK, &match_type, -1);
4163                 if (match_type == DUPE_MATCH_SIM_CUSTOM)
4164                         {
4165                         break;
4166                         }
4167                 valid = gtk_tree_model_iter_next(store, &iter);
4168                 }
4169
4170         gtk_combo_box_set_active_iter(GTK_COMBO_BOX(dw->combo), &iter);
4171         dupe_window_recompare(dw);
4172 }
4173
4174 static gboolean dupe_window_keypress_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
4175 {
4176         auto dw = static_cast<DupeWindow *>(data);
4177         gboolean stop_signal = FALSE;
4178         gboolean on_second;
4179         GtkWidget *listview;
4180         GtkTreeModel *store;
4181         GtkTreeSelection *selection;
4182         GList *slist;
4183         DupeItem *di = nullptr;
4184
4185         on_second = gtk_widget_has_focus(dw->second_listview);
4186
4187         if (on_second)
4188                 {
4189                 listview = dw->second_listview;
4190                 }
4191         else
4192                 {
4193                 listview = dw->listview;
4194                 }
4195
4196         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(listview));
4197         slist = gtk_tree_selection_get_selected_rows(selection, &store);
4198         if (slist)
4199                 {
4200                 GtkTreePath *tpath;
4201                 GtkTreeIter iter;
4202                 GList *last;
4203
4204                 last = g_list_last(slist);
4205                 tpath = static_cast<GtkTreePath *>(last->data);
4206
4207                 /* last is newest selected file */
4208                 gtk_tree_model_get_iter(store, &iter, tpath);
4209                 gtk_tree_model_get(store, &iter, DUPE_COLUMN_POINTER, &di, -1);
4210                 }
4211         g_list_free_full(slist, reinterpret_cast<GDestroyNotify>(gtk_tree_path_free));
4212
4213         if (event->state & GDK_CONTROL_MASK)
4214                 {
4215                 if (!on_second)
4216                         {
4217                         stop_signal = TRUE;
4218                         switch (event->keyval)
4219                                 {
4220                                 case '1':
4221                                 case '2':
4222                                 case '3':
4223                                 case '4':
4224                                 case '5':
4225                                 case '6':
4226                                 case '7':
4227                                 case '8':
4228                                 case '9':
4229                                 case '0':
4230                                         break;
4231                                 case 'C': case 'c':
4232                                         file_util_copy(nullptr, dupe_listview_get_selection(dw, listview),
4233                                                        nullptr, dw->window);
4234                                         break;
4235                                 case 'M': case 'm':
4236                                         file_util_move(nullptr, dupe_listview_get_selection(dw, listview),
4237                                                        nullptr, dw->window);
4238                                         break;
4239                                 case 'R': case 'r':
4240                                         file_util_rename(nullptr, dupe_listview_get_selection(dw, listview), dw->window);
4241                                         break;
4242                                 case 'D': case 'd':
4243                                         options->file_ops.safe_delete_enable = TRUE;
4244                                         file_util_delete(nullptr, dupe_listview_get_selection(dw, listview), dw->window);
4245                                         break;
4246                                 default:
4247                                         stop_signal = FALSE;
4248                                         break;
4249                                 }
4250                         }
4251
4252                 if (!stop_signal)
4253                         {
4254                         stop_signal = TRUE;
4255                         switch (event->keyval)
4256                                 {
4257                                 case 'A': case 'a':
4258                                         if (event->state & GDK_SHIFT_MASK)
4259                                                 {
4260                                                 gtk_tree_selection_unselect_all(selection);
4261                                                 }
4262                                         else
4263                                                 {
4264                                                 gtk_tree_selection_select_all(selection);
4265                                                 }
4266                                         break;
4267                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
4268                                         if (on_second)
4269                                                 {
4270                                                 dupe_second_clear(dw);
4271                                                 dupe_window_recompare(dw);
4272                                                 }
4273                                         else
4274                                                 {
4275                                                 dupe_window_clear(dw);
4276                                                 }
4277                                         break;
4278                                 case 'L': case 'l':
4279                                         dupe_window_append_file_list(dw, FALSE);
4280                                         break;
4281                                 case 'T': case 't':
4282                                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_thumbs),
4283                                                 !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dw->button_thumbs)));
4284                                         break;
4285                                 case 'W': case 'w':
4286                                         dupe_window_close(dw);
4287                                         break;
4288                                 default:
4289                                         stop_signal = FALSE;
4290                                         break;
4291                                 }
4292                         }
4293                 }
4294         else if (event->state & GDK_SHIFT_MASK)
4295                 {
4296                 stop_signal = TRUE;
4297                 switch (event->keyval)
4298                         {
4299                         case GDK_KEY_Delete:
4300                         case GDK_KEY_KP_Delete:
4301                                 options->file_ops.safe_delete_enable = FALSE;
4302                                 file_util_delete_notify_done(nullptr, dupe_listview_get_selection(dw, dw->listview), dw->window, delete_finished_cb, dw);
4303                                 break;
4304                         default:
4305                                 stop_signal = FALSE;
4306                                 break;
4307                         }
4308                 }
4309         else
4310                 {
4311                 stop_signal = TRUE;
4312                 switch (event->keyval)
4313                         {
4314                         case GDK_KEY_Return: case GDK_KEY_KP_Enter:
4315                                 dupe_menu_view(dw, di, listview, FALSE);
4316                                 break;
4317                         case 'V': case 'v':
4318                                 dupe_menu_view(dw, di, listview, TRUE);
4319                                 break;
4320                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
4321                                 dupe_window_remove_selection(dw, listview);
4322                                 break;
4323                         case 'C': case 'c':
4324                                 if (!on_second)
4325                                         {
4326                                         dupe_window_collection_from_selection(dw);
4327                                         }
4328                                 break;
4329                         case '0':
4330                                 options->duplicates_select_type = DUPE_SELECT_NONE;
4331                                 dupe_listview_select_dupes(dw, DUPE_SELECT_NONE);
4332                                 break;
4333                         case '1':
4334                                 options->duplicates_select_type = DUPE_SELECT_GROUP1;
4335                                 dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP1);
4336                                 break;
4337                         case '2':
4338                                 options->duplicates_select_type = DUPE_SELECT_GROUP2;
4339                                 dupe_listview_select_dupes(dw, DUPE_SELECT_GROUP2);
4340                                 break;
4341                         case GDK_KEY_Menu:
4342                         case GDK_KEY_F10:
4343                                 if (!on_second)
4344                                         {
4345                                         GtkWidget *menu;
4346
4347                                         menu = dupe_menu_popup_main(dw, di);
4348                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER, nullptr);
4349                                         }
4350                                 else
4351                                         {
4352                                         GtkWidget *menu;
4353
4354                                         menu = dupe_menu_popup_second(dw, di);
4355                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER, nullptr);
4356                                         }
4357                                 break;
4358                         default:
4359                                 stop_signal = FALSE;
4360                                 break;
4361                         }
4362                 }
4363         if (!stop_signal && is_help_key(event))
4364                 {
4365                 help_window_show("GuideImageSearchFindingDuplicates.html");
4366                 stop_signal = TRUE;
4367                 }
4368
4369         return stop_signal;
4370 }
4371
4372
4373 void dupe_window_clear(DupeWindow *dw)
4374 {
4375         GtkListStore *store;
4376
4377         dupe_check_stop(dw);
4378
4379         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dw->listview)));
4380         gtk_list_store_clear(store);
4381         gtk_tree_view_columns_autosize(GTK_TREE_VIEW(dw->listview));
4382
4383         g_list_free(dw->dupes);
4384         dw->dupes = nullptr;
4385
4386         g_list_free_full(dw->list, reinterpret_cast<GDestroyNotify>(dupe_item_free));
4387         dw->list = nullptr;
4388         dw->set_count = 0;
4389
4390         dupe_match_reset_list(dw->second_list);
4391
4392         dupe_window_update_count(dw, FALSE);
4393         dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
4394 }
4395
4396 static void dupe_window_get_geometry(DupeWindow *dw)
4397 {
4398         GdkWindow *window;
4399         LayoutWindow *lw = nullptr;
4400
4401         layout_valid(&lw);
4402
4403         if (!dw || !lw) return;
4404
4405         window = gtk_widget_get_window(dw->window);
4406         gdk_window_get_position(window, &lw->options.dupe_window.x, &lw->options.dupe_window.y);
4407         lw->options.dupe_window.w = gdk_window_get_width(window);
4408         lw->options.dupe_window.h = gdk_window_get_height(window);
4409 }
4410
4411 void dupe_window_close(DupeWindow *dw)
4412 {
4413         dupe_check_stop(dw);
4414
4415         dupe_window_get_geometry(dw);
4416
4417         dupe_window_list = g_list_remove(dupe_window_list, dw);
4418         gq_gtk_widget_destroy(dw->window);
4419
4420         g_list_free(dw->dupes);
4421         g_list_free_full(dw->list, reinterpret_cast<GDestroyNotify>(dupe_item_free));
4422
4423         g_list_free_full(dw->second_list, reinterpret_cast<GDestroyNotify>(dupe_item_free));
4424
4425         file_data_unregister_notify_func(dupe_notify_cb, dw);
4426
4427         g_thread_pool_free(dw->dupe_comparison_thread_pool, TRUE, TRUE);
4428
4429         g_free(dw);
4430 }
4431
4432 static gint dupe_window_close_cb(GtkWidget *, gpointer data)
4433 {
4434         auto dw = static_cast<DupeWindow *>(data);
4435
4436         dupe_window_close(dw);
4437
4438         return TRUE;
4439 }
4440
4441 static gint dupe_window_delete(GtkWidget *, GdkEvent *, gpointer data)
4442 {
4443         auto dw = static_cast<DupeWindow *>(data);
4444         dupe_window_close(dw);
4445
4446         return TRUE;
4447 }
4448
4449 static void dupe_help_cb(GtkAction *, gpointer)
4450 {
4451         help_window_show("GuideImageSearchFindingDuplicates.html");
4452 }
4453
4454 static gint default_sort_cb(GtkTreeModel *, GtkTreeIter *, GtkTreeIter *, gpointer)
4455 {
4456         return 0;
4457 }
4458
4459 static gint column_sort_cb(GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
4460 {
4461         auto sortable = static_cast<GtkTreeSortable *>(data);
4462         gint ret = 0;
4463         gchar *rank_str_a, *rank_str_b;
4464         gint rank_int_a;
4465         gint rank_int_b;
4466         gint group_a;
4467         gint group_b;
4468         gint sort_column_id;
4469         GtkSortType sort_order;
4470         DupeItem *di_a;
4471         DupeItem *di_b;
4472
4473         gtk_tree_sortable_get_sort_column_id(sortable, &sort_column_id, &sort_order);
4474
4475         gtk_tree_model_get(model, a, DUPE_COLUMN_RANK, &rank_str_a, DUPE_COLUMN_SET, &group_a, DUPE_COLUMN_POINTER, &di_a, -1);
4476
4477         gtk_tree_model_get(model, b, DUPE_COLUMN_RANK, &rank_str_b, DUPE_COLUMN_SET, &group_b, DUPE_COLUMN_POINTER, &di_b, -1);
4478
4479         if (group_a == group_b)
4480                 {
4481                 switch (sort_column_id)
4482                         {
4483                         case DUPE_COLUMN_NAME:
4484                                 ret = utf8_compare(di_a->fd->name, di_b->fd->name, TRUE);
4485                                 break;
4486                         case DUPE_COLUMN_SIZE:
4487                                 if (di_a->fd->size == di_b->fd->size)
4488                                         {
4489                                         ret = 0;
4490                                         }
4491                                 else
4492                                         {
4493                                         ret = (di_a->fd->size > di_b->fd->size) ? 1 : -1;
4494                                         }
4495                                 break;
4496                         case DUPE_COLUMN_DATE:
4497                                 if (di_a->fd->date == di_b->fd->date)
4498                                         {
4499                                         ret = 0;
4500                                         }
4501                                 else
4502                                         {
4503                                         ret = (di_a->fd->date > di_b->fd->date) ? 1 : -1;
4504                                         }
4505                                 break;
4506                         case DUPE_COLUMN_DIMENSIONS:
4507                                 if ((di_a->width == di_b->width) && (di_a->height == di_b->height))
4508                                         {
4509                                         ret = 0;
4510                                         }
4511                                 else
4512                                         {
4513                                         ret = ((di_a->width * di_a->height) > (di_b->width * di_b->height)) ? 1 : -1;
4514                                         }
4515                                 break;
4516                         case DUPE_COLUMN_RANK:
4517                                 rank_int_a = atoi(rank_str_a);
4518                                 rank_int_b = atoi(rank_str_b);
4519                                 if (rank_int_a == 0) rank_int_a = 101;
4520                                 if (rank_int_b == 0) rank_int_b = 101;
4521
4522                                 if (rank_int_a == rank_int_b)
4523                                         {
4524                                         ret = 0;
4525                                         }
4526                                 else
4527                                         {
4528                                         ret = (rank_int_a > rank_int_b) ? 1 : -1;
4529                                         }
4530                                 break;
4531                         case DUPE_COLUMN_PATH:
4532                                 ret = utf8_compare(di_a->fd->path, di_b->fd->path, TRUE);
4533                                 break;
4534                         }
4535                 }
4536         else if (group_a < group_b)
4537                 {
4538                 ret = (sort_order == GTK_SORT_ASCENDING) ? 1 : -1;
4539                 }
4540         else
4541                 {
4542                 ret = (sort_order == GTK_SORT_ASCENDING) ? -1 : 1;
4543                 }
4544
4545         return ret;
4546 }
4547
4548 static void column_clicked_cb(GtkWidget *,  gpointer data)
4549 {
4550         auto dw = static_cast<DupeWindow *>(data);
4551
4552         options->duplicates_match = DUPE_SELECT_NONE;
4553         dupe_listview_select_dupes(dw, DUPE_SELECT_NONE);
4554 }
4555
4556 /* collection and files can be NULL */
4557 DupeWindow *dupe_window_new()
4558 {
4559         DupeWindow *dw;
4560         GtkWidget *vbox;
4561         GtkWidget *hbox;
4562         GtkWidget *scrolled;
4563         GtkWidget *frame;
4564         GtkWidget *status_box;
4565         GtkWidget *controls_box;
4566         GtkWidget *button_box;
4567         GtkWidget *label;
4568         GtkWidget *button;
4569         GtkListStore *store;
4570         GtkTreeSelection *selection;
4571         GdkGeometry geometry;
4572         LayoutWindow *lw = nullptr;
4573
4574         layout_valid(&lw);
4575
4576         dw = g_new0(DupeWindow, 1);
4577         dw->add_files_queue = nullptr;
4578         dw->add_files_queue_id = 0;
4579
4580         dw->match_mask = DUPE_MATCH_NAME;
4581         if (options->duplicates_match == DUPE_MATCH_NAME) dw->match_mask = DUPE_MATCH_NAME;
4582         if (options->duplicates_match == DUPE_MATCH_SIZE) dw->match_mask = DUPE_MATCH_SIZE;
4583         if (options->duplicates_match == DUPE_MATCH_DATE) dw->match_mask = DUPE_MATCH_DATE;
4584         if (options->duplicates_match == DUPE_MATCH_DIM) dw->match_mask = DUPE_MATCH_DIM;
4585         if (options->duplicates_match == DUPE_MATCH_SUM) dw->match_mask = DUPE_MATCH_SUM;
4586         if (options->duplicates_match == DUPE_MATCH_PATH) dw->match_mask = DUPE_MATCH_PATH;
4587         if (options->duplicates_match == DUPE_MATCH_SIM_HIGH) dw->match_mask = DUPE_MATCH_SIM_HIGH;
4588         if (options->duplicates_match == DUPE_MATCH_SIM_MED) dw->match_mask = DUPE_MATCH_SIM_MED;
4589         if (options->duplicates_match == DUPE_MATCH_SIM_LOW) dw->match_mask = DUPE_MATCH_SIM_LOW;
4590         if (options->duplicates_match == DUPE_MATCH_SIM_CUSTOM) dw->match_mask = DUPE_MATCH_SIM_CUSTOM;
4591         if (options->duplicates_match == DUPE_MATCH_NAME_CI) dw->match_mask = DUPE_MATCH_NAME_CI;
4592         if (options->duplicates_match == DUPE_MATCH_NAME_CONTENT) dw->match_mask = DUPE_MATCH_NAME_CONTENT;
4593         if (options->duplicates_match == DUPE_MATCH_NAME_CI_CONTENT) dw->match_mask = DUPE_MATCH_NAME_CI_CONTENT;
4594         if (options->duplicates_match == DUPE_MATCH_ALL) dw->match_mask = DUPE_MATCH_ALL;
4595
4596         dw->window = window_new("dupe", nullptr, nullptr, _("Find duplicates"));
4597         DEBUG_NAME(dw->window);
4598
4599         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
4600         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
4601         geometry.base_width = DUPE_DEF_WIDTH;
4602         geometry.base_height = DUPE_DEF_HEIGHT;
4603         gtk_window_set_geometry_hints(GTK_WINDOW(dw->window), nullptr, &geometry,
4604                                       static_cast<GdkWindowHints>(GDK_HINT_MIN_SIZE | GDK_HINT_BASE_SIZE));
4605
4606         if (lw && options->save_window_positions)
4607                 {
4608                 gtk_window_set_default_size(GTK_WINDOW(dw->window), lw->options.dupe_window.w, lw->options.dupe_window.h);
4609                 gq_gtk_window_move(GTK_WINDOW(dw->window), lw->options.dupe_window.x, lw->options.dupe_window.y);
4610                 }
4611         else
4612                 {
4613                 gtk_window_set_default_size(GTK_WINDOW(dw->window), DUPE_DEF_WIDTH, DUPE_DEF_HEIGHT);
4614                 }
4615
4616         gtk_window_set_resizable(GTK_WINDOW(dw->window), TRUE);
4617         gtk_container_set_border_width(GTK_CONTAINER(dw->window), 0);
4618
4619         g_signal_connect(G_OBJECT(dw->window), "delete_event",
4620                          G_CALLBACK(dupe_window_delete), dw);
4621         g_signal_connect(G_OBJECT(dw->window), "key_press_event",
4622                          G_CALLBACK(dupe_window_keypress_cb), dw);
4623
4624         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
4625         gq_gtk_container_add(GTK_WIDGET(dw->window), vbox);
4626         gtk_widget_show(vbox);
4627
4628         dw->table = gtk_grid_new();
4629         gq_gtk_box_pack_start(GTK_BOX(vbox), dw->table, TRUE, TRUE, 0);
4630         gtk_grid_set_row_homogeneous(GTK_GRID(dw->table), TRUE);
4631         gtk_grid_set_column_homogeneous(GTK_GRID(dw->table), TRUE);
4632         gtk_widget_show(dw->table);
4633
4634         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
4635         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
4636         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4637         gtk_grid_attach(GTK_GRID(dw->table), scrolled, 0, 0, 2, 1);
4638         gtk_widget_show(scrolled);
4639
4640         store = gtk_list_store_new(DUPE_COLUMN_COUNT, G_TYPE_POINTER, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN, G_TYPE_INT, G_TYPE_INT);
4641         dw->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
4642         g_object_unref(store);
4643
4644         dw->sortable = GTK_TREE_SORTABLE(store);
4645
4646         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_RANK, column_sort_cb, dw->sortable, nullptr);
4647         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_SET, default_sort_cb, dw->sortable, nullptr);
4648         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_THUMB, default_sort_cb, dw->sortable, nullptr);
4649         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_NAME, column_sort_cb, dw->sortable, nullptr);
4650         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_SIZE, column_sort_cb, dw->sortable, nullptr);
4651         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_DATE, column_sort_cb, dw->sortable, nullptr);
4652         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_DIMENSIONS, column_sort_cb, dw->sortable, nullptr);
4653         gtk_tree_sortable_set_sort_func(dw->sortable, DUPE_COLUMN_PATH, column_sort_cb, dw->sortable, nullptr);
4654
4655         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->listview));
4656         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
4657         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dw->listview), TRUE);
4658         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(dw->listview), FALSE);
4659
4660         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_RANK, _("Rank"), FALSE, TRUE);
4661         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_THUMB, _("Thumb"), TRUE, FALSE);
4662         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_NAME, _("Name"), FALSE, FALSE);
4663         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_SIZE, _("Size"), FALSE, TRUE);
4664         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_DATE, _("Date"), FALSE, TRUE);
4665         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_DIMENSIONS, _("Dimensions"), FALSE, FALSE);
4666         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_PATH, _("Path"), FALSE, FALSE);
4667         dupe_listview_add_column(dw, dw->listview, DUPE_COLUMN_SET, _("Set"), FALSE, FALSE);
4668
4669         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_RANK - 1), "clicked", (GCallback)column_clicked_cb, dw);
4670         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_NAME - 1), "clicked", (GCallback)column_clicked_cb, dw);
4671         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_SIZE - 1), "clicked", (GCallback)column_clicked_cb, dw);
4672         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_DATE - 1), "clicked", (GCallback)column_clicked_cb, dw);
4673         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_DIMENSIONS - 1), "clicked", (GCallback)column_clicked_cb, dw);
4674         g_signal_connect(gtk_tree_view_get_column(GTK_TREE_VIEW(dw->listview), DUPE_COLUMN_PATH - 1), "clicked", (GCallback)column_clicked_cb, dw);
4675
4676         gq_gtk_container_add(GTK_WIDGET(scrolled), dw->listview);
4677         gtk_widget_show(dw->listview);
4678
4679         dw->second_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
4680         gtk_grid_attach(GTK_GRID(dw->table), dw->second_vbox, 2, 0, 3, 1);
4681         if (dw->second_set)
4682                 {
4683                 gtk_grid_set_column_spacing(GTK_GRID(dw->table), PREF_PAD_GAP);
4684                 gtk_widget_show(dw->second_vbox);
4685                 }
4686         else
4687                 {
4688                 gtk_grid_set_column_spacing(GTK_GRID(dw->table), 0);
4689                 }
4690
4691         scrolled = gq_gtk_scrolled_window_new(nullptr, nullptr);
4692         gq_gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
4693         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
4694         gq_gtk_box_pack_start(GTK_BOX(dw->second_vbox), scrolled, TRUE, TRUE, 0);
4695         gtk_widget_show(scrolled);
4696
4697         store = gtk_list_store_new(2, G_TYPE_POINTER, G_TYPE_STRING);
4698         dw->second_listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
4699
4700         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(dw->second_listview));
4701         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_MULTIPLE);
4702
4703         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dw->second_listview), TRUE);
4704         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(dw->second_listview), FALSE);
4705
4706         dupe_listview_add_column(dw, dw->second_listview, 1, _("Compare to:"), FALSE, FALSE);
4707
4708         gq_gtk_container_add(GTK_WIDGET(scrolled), dw->second_listview);
4709         gtk_widget_show(dw->second_listview);
4710
4711         dw->second_status_label = gtk_label_new("");
4712         gq_gtk_box_pack_start(GTK_BOX(dw->second_vbox), dw->second_status_label, FALSE, FALSE, 0);
4713         gtk_widget_show(dw->second_status_label);
4714
4715         pref_line(dw->second_vbox, GTK_ORIENTATION_HORIZONTAL);
4716
4717         status_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
4718         gq_gtk_box_pack_start(GTK_BOX(vbox), status_box, FALSE, FALSE, 0);
4719         gtk_widget_show(status_box);
4720
4721         frame = gtk_frame_new(nullptr);
4722         DEBUG_NAME(frame);
4723         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
4724         gq_gtk_box_pack_start(GTK_BOX(status_box), frame, TRUE, TRUE, 0);
4725         gtk_widget_show(frame);
4726
4727         dw->status_label = gtk_label_new("");
4728         gq_gtk_container_add(GTK_WIDGET(frame), dw->status_label);
4729         gtk_widget_show(dw->status_label);
4730
4731         dw->extra_label = gtk_progress_bar_new();
4732         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(dw->extra_label), 0.0);
4733         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(dw->extra_label), "");
4734         gtk_progress_bar_set_show_text(GTK_PROGRESS_BAR(dw->extra_label), TRUE);
4735         gq_gtk_box_pack_start(GTK_BOX(status_box), dw->extra_label, FALSE, FALSE, PREF_PAD_SPACE);
4736         gtk_widget_show(dw->extra_label);
4737
4738         controls_box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
4739         dw->controls_box = controls_box;
4740
4741         dw->button_thumbs = gtk_check_button_new_with_label(_("Thumbnails"));
4742         gtk_widget_set_tooltip_text(GTK_WIDGET(dw->button_thumbs), "Ctrl-T");
4743         dw->show_thumbs = options->duplicates_thumbnails;
4744         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_thumbs), dw->show_thumbs);
4745         g_signal_connect(G_OBJECT(dw->button_thumbs), "toggled",
4746                          G_CALLBACK(dupe_window_show_thumb_cb), dw);
4747         gq_gtk_box_pack_start(GTK_BOX(controls_box), dw->button_thumbs, FALSE, FALSE, PREF_PAD_SPACE);
4748         gtk_widget_show(dw->button_thumbs);
4749
4750         label = gtk_label_new(_("Compare by:"));
4751         gq_gtk_box_pack_start(GTK_BOX(controls_box), label, FALSE, FALSE, PREF_PAD_SPACE);
4752         gtk_widget_show(label);
4753
4754         dupe_menu_setup(dw);
4755         gq_gtk_box_pack_start(GTK_BOX(controls_box), dw->combo, FALSE, FALSE, 0);
4756         gtk_widget_show(dw->combo);
4757
4758         label = gtk_label_new(_("Custom Threshold"));
4759         gq_gtk_box_pack_start(GTK_BOX(controls_box), label, FALSE, FALSE, PREF_PAD_SPACE);
4760         gtk_widget_show(label);
4761         dw->custom_threshold = gtk_spin_button_new_with_range(1, 100, 1);
4762         gtk_widget_set_tooltip_text(GTK_WIDGET(dw->custom_threshold), "Custom similarity threshold\n(Use tab key to set value)");
4763         gtk_spin_button_set_value(GTK_SPIN_BUTTON(dw->custom_threshold), options->duplicates_similarity_threshold);
4764         g_signal_connect(G_OBJECT(dw->custom_threshold), "value_changed", G_CALLBACK(dupe_window_custom_threshold_cb), dw);
4765         gq_gtk_box_pack_start(GTK_BOX(controls_box), dw->custom_threshold, FALSE, FALSE, PREF_PAD_SPACE);
4766         gtk_widget_show(dw->custom_threshold);
4767
4768         button = gtk_check_button_new_with_label(_("Sort"));
4769         gtk_widget_set_tooltip_text(GTK_WIDGET(button), "Sort by group totals");
4770         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), options->sort_totals);
4771         g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(dupe_sort_totals_toggle_cb), dw);
4772         gq_gtk_box_pack_start(GTK_BOX(controls_box), button, FALSE, FALSE, PREF_PAD_SPACE);
4773         gtk_widget_show(button);
4774
4775         dw->button_rotation_invariant = gtk_check_button_new_with_label(_("Ignore Orientation"));
4776         gtk_widget_set_tooltip_text(GTK_WIDGET(dw->button_rotation_invariant), "Ignore image orientation");
4777         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(dw->button_rotation_invariant), options->rot_invariant_sim);
4778         g_signal_connect(G_OBJECT(dw->button_rotation_invariant), "toggled",
4779                          G_CALLBACK(dupe_window_rotation_invariant_cb), dw);
4780         gq_gtk_box_pack_start(GTK_BOX(controls_box), dw->button_rotation_invariant, FALSE, FALSE, PREF_PAD_SPACE);
4781         gtk_widget_show(dw->button_rotation_invariant);
4782
4783         button = gtk_check_button_new_with_label(_("Compare two file sets"));
4784         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), dw->second_set);
4785         g_signal_connect(G_OBJECT(button), "toggled",
4786                          G_CALLBACK(dupe_second_set_toggle_cb), dw);
4787         gq_gtk_box_pack_start(GTK_BOX(controls_box), button, FALSE, FALSE, PREF_PAD_SPACE);
4788         gtk_widget_show(button);
4789
4790         button_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
4791         gq_gtk_box_pack_start(GTK_BOX(vbox), button_box, FALSE, FALSE, 0);
4792         gtk_widget_show(button_box);
4793
4794         hbox = gtk_button_box_new(GTK_ORIENTATION_HORIZONTAL);
4795         gtk_button_box_set_layout(GTK_BUTTON_BOX(hbox), GTK_BUTTONBOX_END);
4796         gtk_box_set_spacing(GTK_BOX(hbox), PREF_PAD_SPACE);
4797         gq_gtk_box_pack_end(GTK_BOX(button_box), hbox, FALSE, FALSE, 0);
4798         gtk_widget_show(hbox);
4799
4800         button = pref_button_new(nullptr, GQ_ICON_HELP, _("Help"), G_CALLBACK(dupe_help_cb), nullptr);
4801         gtk_widget_set_tooltip_text(GTK_WIDGET(button), "F1");
4802         gq_gtk_container_add(GTK_WIDGET(hbox), button);
4803         gtk_widget_set_can_default(button, TRUE);
4804         gtk_widget_show(button);
4805
4806         button = pref_button_new(nullptr, GQ_ICON_STOP, _("Stop"), G_CALLBACK(dupe_check_stop_cb), dw);
4807         gq_gtk_container_add(GTK_WIDGET(hbox), button);
4808         gtk_widget_set_can_default(button, TRUE);
4809         gtk_widget_show(button);
4810
4811         button = pref_button_new(nullptr, GQ_ICON_CLOSE, _("Close"), G_CALLBACK(dupe_window_close_cb), dw);
4812         gtk_widget_set_tooltip_text(GTK_WIDGET(button), "Ctrl-W");
4813         gq_gtk_container_add(GTK_WIDGET(hbox), button);
4814         gtk_widget_set_can_default(button, TRUE);
4815         gtk_widget_grab_default(button);
4816         gtk_widget_show(button);
4817         dupe_dnd_init(dw);
4818
4819         /* order is important here, dnd_init should be seeing mouse
4820          * presses before we possibly handle (and stop) the signal
4821          */
4822         g_signal_connect(G_OBJECT(dw->listview), "button_press_event",
4823                          G_CALLBACK(dupe_listview_press_cb), dw);
4824         g_signal_connect(G_OBJECT(dw->listview), "button_release_event",
4825                          G_CALLBACK(dupe_listview_release_cb), dw);
4826         g_signal_connect(G_OBJECT(dw->second_listview), "button_press_event",
4827                          G_CALLBACK(dupe_listview_press_cb), dw);
4828         g_signal_connect(G_OBJECT(dw->second_listview), "button_release_event",
4829                          G_CALLBACK(dupe_listview_release_cb), dw);
4830
4831         gtk_widget_show(dw->window);
4832
4833         dupe_listview_set_height(dw->listview, dw->show_thumbs);
4834         g_signal_emit_by_name(G_OBJECT(dw->combo), "changed");
4835
4836         dupe_window_update_count(dw, TRUE);
4837         dupe_window_update_progress(dw, nullptr, 0.0, FALSE);
4838
4839         dupe_window_list = g_list_append(dupe_window_list, dw);
4840
4841         file_data_register_notify_func(dupe_notify_cb, dw, NOTIFY_PRIORITY_MEDIUM);
4842
4843         g_mutex_init(&dw->thread_count_mutex);
4844         g_mutex_init(&dw->search_matches_mutex);
4845         dw->dupe_comparison_thread_pool = g_thread_pool_new(dupe_comparison_func, dw, options->threads.duplicates, FALSE, nullptr);
4846
4847         return dw;
4848 }
4849
4850 /*
4851  *-------------------------------------------------------------------
4852  * dnd confirm dir
4853  *-------------------------------------------------------------------
4854  */
4855
4856 struct CDupeConfirmD {
4857         DupeWindow *dw;
4858         GList *list;
4859 };
4860
4861 static void confirm_dir_list_cancel(GtkWidget *, gpointer)
4862 {
4863         /* do nothing */
4864 }
4865
4866 static void confirm_dir_list_add(GtkWidget *, gpointer data)
4867 {
4868         auto d = static_cast<CDupeConfirmD *>(data);
4869         GList *work;
4870
4871         dupe_window_add_files(d->dw, d->list, FALSE);
4872
4873         work = d->list;
4874         while (work)
4875                 {
4876                 auto fd = static_cast<FileData *>(work->data);
4877                 work = work->next;
4878                 if (isdir(fd->path))
4879                         {
4880                         GList *list;
4881
4882                         filelist_read(fd, &list, nullptr);
4883                         list = filelist_filter(list, FALSE);
4884                         if (list)
4885                                 {
4886                                 dupe_window_add_files(d->dw, list, FALSE);
4887                                 filelist_free(list);
4888                                 }
4889                         }
4890                 }
4891 }
4892
4893 static void confirm_dir_list_recurse(GtkWidget *, gpointer data)
4894 {
4895         auto d = static_cast<CDupeConfirmD *>(data);
4896         dupe_window_add_files(d->dw, d->list, TRUE);
4897 }
4898
4899 static void confirm_dir_list_skip(GtkWidget *, gpointer data)
4900 {
4901         auto d = static_cast<CDupeConfirmD *>(data);
4902         dupe_window_add_files(d->dw, d->list, FALSE);
4903 }
4904
4905 static void confirm_dir_list_destroy(GtkWidget *, gpointer data)
4906 {
4907         auto d = static_cast<CDupeConfirmD *>(data);
4908         filelist_free(d->list);
4909         g_free(d);
4910 }
4911
4912 static GtkWidget *dupe_confirm_dir_list(DupeWindow *dw, GList *list)
4913 {
4914         GtkWidget *menu;
4915         CDupeConfirmD *d;
4916
4917         d = g_new0(CDupeConfirmD, 1);
4918         d->dw = dw;
4919         d->list = list;
4920
4921         menu = popup_menu_short_lived();
4922         g_signal_connect(G_OBJECT(menu), "destroy",
4923                          G_CALLBACK(confirm_dir_list_destroy), d);
4924
4925         menu_item_add_stock(menu, _("Dropped list includes folders."), GQ_ICON_DND, nullptr, nullptr);
4926         menu_item_add_divider(menu);
4927         menu_item_add_icon(menu, _("_Add contents"), GQ_ICON_OK, G_CALLBACK(confirm_dir_list_add), d);
4928         menu_item_add_icon(menu, _("Add contents _recursive"), GQ_ICON_ADD, G_CALLBACK(confirm_dir_list_recurse), d);
4929         menu_item_add_icon(menu, _("_Skip folders"), GQ_ICON_REMOVE, G_CALLBACK(confirm_dir_list_skip), d);
4930         menu_item_add_divider(menu);
4931         menu_item_add_icon(menu, _("Cancel"), GQ_ICON_CANCEL, G_CALLBACK(confirm_dir_list_cancel), d);
4932
4933         return menu;
4934 }
4935
4936 /*
4937  *-------------------------------------------------------------------
4938  * dnd
4939  *-------------------------------------------------------------------
4940  */
4941
4942 static GtkTargetEntry dupe_drag_types[] = {
4943         { const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST },
4944         { const_cast<gchar *>("text/plain"), 0, TARGET_TEXT_PLAIN }
4945 };
4946 static gint n_dupe_drag_types = 2;
4947
4948 static GtkTargetEntry dupe_drop_types[] = {
4949         { const_cast<gchar *>(TARGET_APP_COLLECTION_MEMBER_STRING), 0, TARGET_APP_COLLECTION_MEMBER },
4950         { const_cast<gchar *>("text/uri-list"), 0, TARGET_URI_LIST }
4951 };
4952 static gint n_dupe_drop_types = 2;
4953
4954 static void dupe_dnd_data_set(GtkWidget *widget, GdkDragContext *,
4955                               GtkSelectionData *selection_data, guint info,
4956                               guint, gpointer data)
4957 {
4958         auto dw = static_cast<DupeWindow *>(data);
4959         GList *list;
4960
4961         switch (info)
4962                 {
4963                 case TARGET_URI_LIST:
4964                 case TARGET_TEXT_PLAIN:
4965                         list = dupe_listview_get_selection(dw, widget);
4966                         if (!list) return;
4967                         uri_selection_data_set_uris_from_filelist(selection_data, list);
4968                         filelist_free(list);
4969                         break;
4970                 default:
4971                         break;
4972                 }
4973 }
4974
4975 static void dupe_dnd_data_get(GtkWidget *widget, GdkDragContext *context,
4976                               gint, gint,
4977                               GtkSelectionData *selection_data, guint info,
4978                               guint, gpointer data)
4979 {
4980         auto dw = static_cast<DupeWindow *>(data);
4981         GtkWidget *source;
4982         GList *list = nullptr;
4983         GList *work;
4984
4985         if (dw->add_files_queue_id > 0)
4986                 {
4987                 warning_dialog(_("Find duplicates"), _("Please wait for the current file selection to be loaded."), GQ_ICON_DIALOG_INFO, dw->window);
4988
4989                 return;
4990                 }
4991
4992         source = gtk_drag_get_source_widget(context);
4993         if (source == dw->listview || source == dw->second_listview) return;
4994
4995         dw->second_drop = (dw->second_set && widget == dw->second_listview);
4996
4997         switch (info)
4998                 {
4999                 case TARGET_APP_COLLECTION_MEMBER:
5000                         collection_from_dnd_data(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), &list, nullptr);
5001                         break;
5002                 case TARGET_URI_LIST:
5003                         list = uri_filelist_from_gtk_selection_data(selection_data);
5004                         work = list;
5005                         while (work)
5006                                 {
5007                                 auto fd = static_cast<FileData *>(work->data);
5008                                 if (isdir(fd->path))
5009                                         {
5010                                         GtkWidget *menu;
5011                                         menu = dupe_confirm_dir_list(dw, list);
5012                                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
5013                                         return;
5014                                         }
5015                                 work = work->next;
5016                                 }
5017                         break;
5018                 default:
5019                         list = nullptr;
5020                         break;
5021                 }
5022
5023         if (list)
5024                 {
5025                 dupe_window_add_files(dw, list, FALSE);
5026                 filelist_free(list);
5027                 }
5028 }
5029
5030 static void dupe_dest_set(GtkWidget *widget, gboolean enable)
5031 {
5032         if (enable)
5033                 {
5034                 gtk_drag_dest_set(widget,
5035                         static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
5036                         dupe_drop_types, n_dupe_drop_types,
5037                         static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK));
5038
5039                 }
5040         else
5041                 {
5042                 gtk_drag_dest_unset(widget);
5043                 }
5044 }
5045
5046 static void dupe_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
5047 {
5048         auto dw = static_cast<DupeWindow *>(data);
5049         dupe_dest_set(dw->listview, FALSE);
5050         dupe_dest_set(dw->second_listview, FALSE);
5051
5052         if (dw->click_item && !dupe_listview_item_is_selected(dw, dw->click_item, widget))
5053                 {
5054                 GtkListStore *store;
5055                 GtkTreeIter iter;
5056
5057                 store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(widget)));
5058                 if (dupe_listview_find_item(store, dw->click_item, &iter) >= 0)
5059                         {
5060                         GtkTreeSelection *selection;
5061                         GtkTreePath *tpath;
5062
5063                         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
5064                         gtk_tree_selection_unselect_all(selection);
5065                         gtk_tree_selection_select_iter(selection, &iter);
5066
5067                         tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);
5068                         gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, nullptr, FALSE);
5069                         gtk_tree_path_free(tpath);
5070                         }
5071                 }
5072
5073         if (dw->show_thumbs &&
5074             widget == dw->listview &&
5075             dw->click_item && dw->click_item->pixbuf)
5076                 {
5077                 GtkTreeSelection *selection;
5078                 gint items;
5079
5080                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
5081                 items = gtk_tree_selection_count_selected_rows(selection);
5082                 dnd_set_drag_icon(widget, context, dw->click_item->pixbuf, items);
5083                 }
5084 }
5085
5086 static void dupe_dnd_end(GtkWidget *, GdkDragContext *, gpointer data)
5087 {
5088         auto dw = static_cast<DupeWindow *>(data);
5089         dupe_dest_set(dw->listview, TRUE);
5090         dupe_dest_set(dw->second_listview, TRUE);
5091 }
5092
5093 static void dupe_dnd_init(DupeWindow *dw)
5094 {
5095         gtk_drag_source_set(dw->listview, static_cast<GdkModifierType>(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK),
5096                             dupe_drag_types, n_dupe_drag_types,
5097                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
5098         g_signal_connect(G_OBJECT(dw->listview), "drag_data_get",
5099                          G_CALLBACK(dupe_dnd_data_set), dw);
5100         g_signal_connect(G_OBJECT(dw->listview), "drag_begin",
5101                          G_CALLBACK(dupe_dnd_begin), dw);
5102         g_signal_connect(G_OBJECT(dw->listview), "drag_end",
5103                          G_CALLBACK(dupe_dnd_end), dw);
5104
5105         dupe_dest_set(dw->listview, TRUE);
5106         g_signal_connect(G_OBJECT(dw->listview), "drag_data_received",
5107                          G_CALLBACK(dupe_dnd_data_get), dw);
5108
5109         gtk_drag_source_set(dw->second_listview, static_cast<GdkModifierType>(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK),
5110                             dupe_drag_types, n_dupe_drag_types,
5111                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
5112         g_signal_connect(G_OBJECT(dw->second_listview), "drag_data_get",
5113                          G_CALLBACK(dupe_dnd_data_set), dw);
5114         g_signal_connect(G_OBJECT(dw->second_listview), "drag_begin",
5115                          G_CALLBACK(dupe_dnd_begin), dw);
5116         g_signal_connect(G_OBJECT(dw->second_listview), "drag_end",
5117                          G_CALLBACK(dupe_dnd_end), dw);
5118
5119         dupe_dest_set(dw->second_listview, TRUE);
5120         g_signal_connect(G_OBJECT(dw->second_listview), "drag_data_received",
5121                          G_CALLBACK(dupe_dnd_data_get), dw);
5122 }
5123
5124 /*
5125  *-------------------------------------------------------------------
5126  * maintenance (move, delete, etc.)
5127  *-------------------------------------------------------------------
5128  */
5129
5130 static void dupe_notify_cb(FileData *fd, NotifyType type, gpointer data)
5131 {
5132         auto dw = static_cast<DupeWindow *>(data);
5133
5134         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
5135
5136         DEBUG_1("Notify dupe: %s %04x", fd->path, type);
5137
5138         switch (fd->change->type)
5139                 {
5140                 case FILEDATA_CHANGE_MOVE:
5141                 case FILEDATA_CHANGE_RENAME:
5142                         dupe_item_update_fd(dw, fd);
5143                         break;
5144                 case FILEDATA_CHANGE_COPY:
5145                         break;
5146                 case FILEDATA_CHANGE_DELETE:
5147                         /* Update the UI only once, after the operation finishes */
5148                         break;
5149                 case FILEDATA_CHANGE_UNSPECIFIED:
5150                 case FILEDATA_CHANGE_WRITE_METADATA:
5151                         break;
5152                 }
5153
5154 }
5155
5156 /**
5157  * @brief Refresh window after a file delete operation
5158  * @param success (ud->phase != UTILITY_PHASE_CANCEL) #file_util_dialog_run
5159  * @param dest_path Not used
5160  * @param data #DupeWindow
5161  *
5162  * If the window is refreshed after each file of a large set is deleted,
5163  * the UI slows to an unacceptable level. The #FileUtilDoneFunc is used
5164  * to call this function once, when the entire delete operation is completed.
5165  */
5166 static void delete_finished_cb(gboolean success, const gchar *, gpointer data)
5167 {
5168         auto dw = static_cast<DupeWindow *>(data);
5169
5170         if (!success)
5171                 {
5172                 return;
5173                 }
5174
5175         dupe_window_remove_selection(dw, dw->listview);
5176 }
5177
5178 /*
5179  *-------------------------------------------------------------------
5180  * Export duplicates data
5181  *-------------------------------------------------------------------
5182  */
5183
5184 enum SeparatorType {
5185         EXPORT_CSV = 0,
5186         EXPORT_TSV
5187 };
5188
5189 struct ExportDupesData
5190 {
5191         FileDialog *dialog;
5192         SeparatorType separator;
5193         DupeWindow *dupewindow;
5194 };
5195
5196 static void export_duplicates_close(ExportDupesData *edd)
5197 {
5198         if (edd->dialog) file_dialog_close(edd->dialog);
5199         edd->dialog = nullptr;
5200 }
5201
5202 static void export_duplicates_data_cancel_cb(FileDialog *, gpointer data)
5203 {
5204         auto edd = static_cast<ExportDupesData *>(data);
5205
5206         export_duplicates_close(edd);
5207 }
5208
5209 static void export_duplicates_data_save_cb(FileDialog *fdlg, gpointer data)
5210 {
5211         auto edd = static_cast<ExportDupesData *>(data);
5212         GError *error = nullptr;
5213         GtkTreeModel *store;
5214         GtkTreeIter iter;
5215         DupeItem *di;
5216         GFileOutputStream *gfstream;
5217         GFile *out_file;
5218         GString *output_string;
5219         gchar* rank;
5220         GList *work;
5221         GtkTreeSelection *selection;
5222         GList *slist;
5223         gchar *thumb_cache;
5224         gchar **rank_split;
5225         GtkTreePath *tpath;
5226         gboolean color_old = FALSE;
5227         gboolean color_new = FALSE;
5228         gint match_count;
5229         gchar *name;
5230
5231         history_list_add_to_key("export_duplicates", fdlg->dest_path, -1);
5232
5233         out_file = g_file_new_for_path(fdlg->dest_path);
5234
5235         gfstream = g_file_replace(out_file, nullptr, TRUE, G_FILE_CREATE_NONE, nullptr, &error);
5236         if (error)
5237                 {
5238                 log_printf(_("Error creating Export duplicates data file: Error: %s\n"), error->message);
5239                 g_error_free(error);
5240                 return;
5241                 }
5242
5243         const gchar *sep = (edd->separator == EXPORT_CSV) ?  "," : "\t";
5244         output_string = g_string_new(g_strjoin(sep, _("Match"), _("Group"), _("Similarity"), _("Set"), _("Thumbnail"), _("Name"), _("Size"), _("Date"), _("Width"), _("Height"), _("Path\n"), NULL));
5245
5246         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(edd->dupewindow->listview));
5247         slist = gtk_tree_selection_get_selected_rows(selection, &store);
5248         work = slist;
5249
5250         tpath = static_cast<GtkTreePath *>(work->data);
5251         gtk_tree_model_get_iter(store, &iter, tpath);
5252         gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_new, -1);
5253         color_old = !color_new;
5254         match_count = 0;
5255
5256         while (work)
5257                 {
5258                 tpath = static_cast<GtkTreePath *>(work->data);
5259                 gtk_tree_model_get_iter(store, &iter, tpath);
5260
5261                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_POINTER, &di, -1);
5262
5263                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_COLOR, &color_new, -1);
5264                 if (color_new != color_old)
5265                         {
5266                         match_count++;
5267                         }
5268                 color_old = color_new;
5269                 g_string_append_printf(output_string, "%d", match_count);
5270                 output_string = g_string_append(output_string, sep);
5271
5272                 if ((dupe_match_find_parent(edd->dupewindow, di) == di))
5273                         {
5274                         output_string = g_string_append(output_string, "1");
5275                         }
5276                 else
5277                         {
5278                         output_string = g_string_append(output_string, "2");
5279                         }
5280                 output_string = g_string_append(output_string, sep);
5281
5282                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_RANK, &rank, -1);
5283                 rank_split = g_strsplit_set(rank, " [(", -1);
5284                 if (rank_split[0] == nullptr)
5285                         {
5286                         output_string = g_string_append(output_string, "");
5287                         }
5288                 else
5289                         {
5290                         output_string = g_string_append(output_string, rank_split[0]);
5291                         }
5292                 output_string = g_string_append(output_string, sep);
5293                 g_free(rank);
5294                 g_strfreev(rank_split);
5295
5296                 g_string_append_printf(output_string, "%d", di->second + 1);
5297                 output_string = g_string_append(output_string, sep);
5298
5299                 thumb_cache = cache_find_location(CACHE_TYPE_THUMB, di->fd->path);
5300                 if (thumb_cache)
5301                         {
5302                         output_string = g_string_append(output_string, thumb_cache);
5303                         g_free(thumb_cache);
5304                         }
5305                 else
5306                         {
5307                         output_string = g_string_append(output_string, "");
5308                         }
5309                 output_string = g_string_append(output_string, sep);
5310
5311                 gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, DUPE_COLUMN_NAME, &name, -1);
5312                 output_string = g_string_append(output_string, name);
5313                 output_string = g_string_append(output_string, sep);
5314                 g_free(name);
5315
5316                 g_string_append_printf(output_string, "%" PRIu64, di->fd->size);
5317                 output_string = g_string_append(output_string, sep);
5318                 output_string = g_string_append(output_string, text_from_time(di->fd->date));
5319                 output_string = g_string_append(output_string, sep);
5320                 g_string_append_printf(output_string, "%d", di->width);
5321                 output_string = g_string_append(output_string, sep);
5322                 g_string_append_printf(output_string, "%d", di->height);
5323                 output_string = g_string_append(output_string, sep);
5324                 output_string = g_string_append(output_string, di->fd->path);
5325                 output_string = g_string_append_c(output_string, '\n');
5326
5327                 work = work->next;
5328                 }
5329
5330         g_output_stream_write(G_OUTPUT_STREAM(gfstream), output_string->str, output_string->len, nullptr, &error);
5331
5332         g_string_free(output_string, TRUE);
5333         g_object_unref(gfstream);
5334         g_object_unref(out_file);
5335
5336         export_duplicates_close(edd);
5337 }
5338
5339 static void pop_menu_export(GList *, gpointer dupe_window, gpointer data)
5340 {
5341         const gint index = GPOINTER_TO_INT(data);
5342         auto dw = static_cast<DupeWindow *>(dupe_window);
5343         const gchar *title = "Export duplicates data";
5344         const gchar *default_path = "/tmp/";
5345         gchar *file_extension;
5346         ExportDupesData *edd;
5347         const gchar *previous_path;
5348
5349         edd = g_new0(ExportDupesData, 1);
5350         edd->dialog = file_util_file_dlg(title, "export_duplicates", nullptr, export_duplicates_data_cancel_cb, edd);
5351
5352         switch (index)
5353                 {
5354                 case EXPORT_CSV:
5355                         edd->separator = EXPORT_CSV;
5356                         file_extension = g_strdup(".csv");
5357                         break;
5358                 case EXPORT_TSV:
5359                         edd->separator = EXPORT_TSV;
5360                         file_extension = g_strdup(".tsv");
5361                         break;
5362                 default:
5363                         return;
5364                 }
5365
5366         generic_dialog_add_message(GENERIC_DIALOG(edd->dialog), nullptr, title, nullptr, FALSE);
5367         file_dialog_add_button(edd->dialog, GQ_ICON_SAVE, _("Save"), export_duplicates_data_save_cb, TRUE);
5368
5369         previous_path = history_list_find_last_path_by_key("export_duplicates");
5370
5371         file_dialog_add_path_widgets(edd->dialog, default_path, previous_path, "export_duplicates", file_extension, _("Export Files"));
5372
5373         edd->dupewindow = dw;
5374
5375         gtk_widget_show(GENERIC_DIALOG(edd->dialog)->dialog);
5376
5377         g_free(file_extension);
5378 }
5379
5380 static void dupe_pop_menu_export_cb(GtkWidget *widget, gpointer data)
5381 {
5382         DupeWindow *dw;
5383         GList *selection_list;
5384
5385         dw = static_cast<DupeWindow *>(submenu_item_get_data(widget));
5386         selection_list = dupe_listview_get_selection(dw, dw->listview);
5387         pop_menu_export(selection_list, dw, data);
5388
5389         filelist_free(selection_list);
5390 }
5391
5392 static GtkWidget *submenu_add_export(GtkWidget *menu, GtkWidget **menu_item, GCallback func, gpointer data)
5393 {
5394         GtkWidget *item;
5395         GtkWidget *submenu;
5396
5397         item = menu_item_add(menu, _("_Export"), nullptr, nullptr);
5398
5399         submenu = gtk_menu_new();
5400         g_object_set_data(G_OBJECT(submenu), "submenu_data", data);
5401
5402         menu_item_add_icon_sensitive(submenu, _("Export to csv"),
5403                                         GQ_ICON_EXPORT, TRUE, G_CALLBACK(func), GINT_TO_POINTER(0));
5404         menu_item_add_icon_sensitive(submenu, _("Export to tab-delimited"),
5405                                         GQ_ICON_EXPORT, TRUE, G_CALLBACK(func), GINT_TO_POINTER(1));
5406
5407         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
5408         if (menu_item) *menu_item = item;
5409
5410         return submenu;
5411 }
5412
5413 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */