src/pan-view/pan-view.cc

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-view.h"
  23
  24 #include "bar-exif.h"
  25 #include "dnd.h"
  26 #include "editors.h"
  27 #include "exif.h"
  28 #include "fullscreen.h"
  29 #include "image.h"
  30 #include "img-view.h"
  31 #include "layout-util.h"
  32 #include "menu.h"
  33 #include "metadata.h"
  34 #include "misc.h"
  35 #include "pan-calendar.h"
  36 #include "pan-folder.h"
  37 #include "pan-grid.h"
  38 #include "pan-timeline.h"
  39 #include "pan-util.h"
  40 #include "pan-view-filter.h"
  41 #include "pan-view-search.h"
  42 #include "pixbuf-util.h"
  43 #include "thumb.h"
  44 #include "ui-fileops.h"
  45 #include "ui-menu.h"
  46 #include "ui-misc.h"
  47 #include "ui-tabcomp.h"
  48 #include "uri-utils.h"
  49 #include "utilops.h"
  50 #include "window.h"
  51
  52 #include <cmath>
  53
  54
  55 #define PAN_WINDOW_DEFAULT_WIDTH 720
  56 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  57
  58 #define PAN_TILE_SIZE 512
  59
  60 #define ZOOM_INCREMENT 1.0
  61 #define ZOOM_LABEL_WIDTH 64
  62
  63
  64 #define PAN_PREF_GROUP          "pan_view_options"
  65 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  66 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  67 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  68 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  69
  70
  71 static GList *pan_window_list = nullptr;
  72
  73
  74 static void pan_layout_update_idle(PanWindow *pw);
  75
  76 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  77
  78 static void pan_window_close(PanWindow *pw);
  79
  80 static GtkWidget *pan_popup_menu(PanWindow *pw);
  81
  82 static void pan_window_dnd_init(PanWindow *pw);
  83
  84 /**
  85  * This array must be kept in sync with the contents of:\n
  86  * @link pan_window_key_press_cb @endlink \n
  87  * @link pan_popup_menu @endlink
  88  *
  89  * See also @link hard_coded_window_keys @endlink
  90  **/
  91 hard_coded_window_keys pan_view_window_keys[] = {
  92         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  93         {GDK_CONTROL_MASK, 'M', N_("Move")},
  94         {GDK_CONTROL_MASK, 'R', N_("Rename")},
  95         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
  96         {GDK_CONTROL_MASK, 'W', N_("Close window")},
  97         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
  98         {GDK_CONTROL_MASK, 'G', N_("Start search")},
  99         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 100         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 101         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 102         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 103         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 104         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 105         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 106         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 107         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 108         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 109         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 110         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 111         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 112         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 113         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 114         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 115         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 116         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 117         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 118         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 119         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 120         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 121         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 122         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 123         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 124         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 125         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 127         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 128         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 129         {static_cast<GdkModifierType>(0), 0, nullptr}
 130 };
 131
 132 /*
 133  *-----------------------------------------------------------------------------
 134  * the image/thumb loader queue
 135  *-----------------------------------------------------------------------------
 136  */
 137
 138 static gboolean pan_queue_step(PanWindow *pw);
 139
 140
 141 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 142 {
 143         auto pw = static_cast<PanWindow *>(data);
 144
 145         if (pw->queue_pi)
 146                 {
 147                 PanItem *pi;
 148                 gint rc;
 149
 150                 pi = pw->queue_pi;
 151                 pw->queue_pi = nullptr;
 152
 153                 pi->queued = FALSE;
 154
 155                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 156                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 157
 158                 rc = pi->refcount;
 159                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 160                 pi->refcount = rc;
 161                 }
 162
 163         thumb_loader_free(pw->tl);
 164         pw->tl = nullptr;
 165
 166         while (pan_queue_step(pw));
 167 }
 168
 169 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 170 {
 171         auto pw = static_cast<PanWindow *>(data);
 172         GdkPixbuf *rotated = nullptr;
 173
 174         if (pw->queue_pi)
 175                 {
 176                 PanItem *pi;
 177                 gint rc;
 178
 179                 pi = pw->queue_pi;
 180                 pw->queue_pi = nullptr;
 181
 182                 pi->queued = FALSE;
 183
 184                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 185                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 186
 187                 if (pi->pixbuf && options->image.exif_rotate_enable)
 188                         {
 189                         if (!il->fd->exif_orientation)
 190                                 {
 191                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 192                                         {
 193                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 194                                         }
 195                                 else
 196                                         {
 197                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 198                                         }
 199                                 }
 200
 201                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 202                                 {
 203                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 204                                 pi->pixbuf = rotated;
 205                                 }
 206                         }
 207
 208                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 209
 210                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 211                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 212                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 213                         {
 214                         GdkPixbuf *tmp;
 215
 216                         tmp = pi->pixbuf;
 217                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 218                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 219                         g_object_unref(tmp);
 220                         }
 221
 222                 rc = pi->refcount;
 223                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 224                 pi->refcount = rc;
 225                 }
 226
 227         image_loader_free(pw->il);
 228         pw->il = nullptr;
 229
 230         while (pan_queue_step(pw));
 231 }
 232
 233 static gboolean pan_queue_step(PanWindow *pw)
 234 {
 235         PanItem *pi;
 236
 237         if (!pw->queue) return FALSE;
 238
 239         pi = static_cast<PanItem *>(pw->queue->data);
 240         pw->queue = g_list_remove(pw->queue, pi);
 241         pw->queue_pi = pi;
 242
 243         if (!pw->queue_pi->fd)
 244                 {
 245                 pw->queue_pi->queued = FALSE;
 246                 pw->queue_pi = nullptr;
 247                 return TRUE;
 248                 }
 249
 250         image_loader_free(pw->il);
 251         pw->il = nullptr;
 252         thumb_loader_free(pw->tl);
 253         pw->tl = nullptr;
 254
 255         if (pi->type == PAN_ITEM_IMAGE)
 256                 {
 257                 pw->il = image_loader_new(pi->fd);
 258
 259                 if (pw->size != PAN_IMAGE_SIZE_100)
 260                         {
 261                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 262                         }
 263
 264                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 265                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 266
 267                 if (image_loader_start(pw->il)) return FALSE;
 268
 269                 image_loader_free(pw->il);
 270                 pw->il = nullptr;
 271                 }
 272         else if (pi->type == PAN_ITEM_THUMB)
 273                 {
 274                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 275
 276                 if (!pw->tl->standard_loader)
 277                         {
 278                         /* The classic loader will recreate a thumbnail any time we
 279                          * request a different size than what exists. This view will
 280                          * almost never use the user configured sizes so disable cache.
 281                          */
 282                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 283                         }
 284
 285                 thumb_loader_set_callbacks(pw->tl,
 286                                            pan_queue_thumb_done_cb,
 287                                            pan_queue_thumb_done_cb,
 288                                            nullptr, pw);
 289
 290                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 291
 292                 thumb_loader_free(pw->tl);
 293                 pw->tl = nullptr;
 294                 }
 295
 296         pw->queue_pi->queued = FALSE;
 297         pw->queue_pi = nullptr;
 298         return TRUE;
 299 }
 300
 301 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 302 {
 303         if (!pi || pi->queued || pi->pixbuf) return;
 304         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 305             (!pi->key || strcmp(pi->key, "info") != 0) )
 306                 {
 307                 return;
 308                 }
 309
 310         pi->queued = TRUE;
 311         pw->queue = g_list_prepend(pw->queue, pi);
 312
 313         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 314 }
 315
 316
 317 /*
 318  *-----------------------------------------------------------------------------
 319  * tile request/dispose handlers
 320  *-----------------------------------------------------------------------------
 321  */
 322
 323 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 324                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 325 {
 326         auto pw = static_cast<PanWindow *>(data);
 327         GList *list;
 328         GList *work;
 329         gint i;
 330
 331         pixbuf_set_rect_fill(pixbuf,
 332                              0, 0, width, height,
 333                              PAN_BACKGROUND_COLOR, 255);
 334
 335         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 336                 {
 337                 gint rx, ry, rw, rh;
 338
 339                 if (util_clip_region(x, y, width, height,
 340                                      i, y, 1, height,
 341                                      &rx, &ry, &rw, &rh))
 342                         {
 343                         pixbuf_draw_rect_fill(pixbuf,
 344                                               rx - x, ry - y, rw, rh,
 345                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 346                         }
 347                 }
 348         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 349                 {
 350                 gint rx, ry, rw, rh;
 351
 352                 if (util_clip_region(x, y, width, height,
 353                                      x, i, width, 1,
 354                                      &rx, &ry, &rw, &rh))
 355                         {
 356                         pixbuf_draw_rect_fill(pixbuf,
 357                                               rx - x, ry - y, rw, rh,
 358                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 359                         }
 360                 }
 361
 362         list = pan_layout_intersect(pw, x, y, width, height);
 363         work = list;
 364         while (work)
 365                 {
 366                 PanItem *pi;
 367                 gboolean queue = FALSE;
 368
 369                 pi = static_cast<PanItem *>(work->data);
 370                 work = work->next;
 371
 372                 pi->refcount++;
 373
 374                 switch (pi->type)
 375                         {
 376                         case PAN_ITEM_BOX:
 377                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 378                                 break;
 379                         case PAN_ITEM_TRIANGLE:
 380                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 381                                 break;
 382                         case PAN_ITEM_TEXT:
 383                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 384                                 break;
 385                         case PAN_ITEM_THUMB:
 386                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 387                                 break;
 388                         case PAN_ITEM_IMAGE:
 389                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 390                                 break;
 391                         case PAN_ITEM_NONE:
 392                         default:
 393                                 break;
 394                         }
 395
 396                 if (queue) pan_queue_add(pw, pi);
 397                 }
 398
 399         g_list_free(list);
 400
 401         return TRUE;
 402 }
 403
 404 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 405                                        gint width, gint height, GdkPixbuf *, gpointer data)
 406 {
 407         auto pw = static_cast<PanWindow *>(data);
 408         GList *list;
 409         GList *work;
 410
 411         list = pan_layout_intersect(pw, x, y, width, height);
 412         work = list;
 413         while (work)
 414                 {
 415                 PanItem *pi;
 416
 417                 pi = static_cast<PanItem *>(work->data);
 418                 work = work->next;
 419
 420                 if (pi->refcount > 0)
 421                         {
 422                         pi->refcount--;
 423
 424                         if (pi->refcount == 0)
 425                                 {
 426                                 if (pi->queued)
 427                                         {
 428                                         pw->queue = g_list_remove(pw->queue, pi);
 429                                         pi->queued = FALSE;
 430                                         }
 431                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 432                                 if (pi->pixbuf)
 433                                         {
 434                                         g_object_unref(pi->pixbuf);
 435                                         pi->pixbuf = nullptr;
 436                                         }
 437                                 }
 438                         }
 439                 }
 440
 441         g_list_free(list);
 442 }
 443
 444
 445 /*
 446  *-----------------------------------------------------------------------------
 447  * misc
 448  *-----------------------------------------------------------------------------
 449  */
 450
 451 static void pan_window_message(PanWindow *pw, const gchar *text)
 452 {
 453         GList *work;
 454         gint count = 0;
 455         gint64 size = 0;
 456         gchar *ss;
 457         gchar *buf;
 458
 459         if (text)
 460                 {
 461                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 462                 return;
 463                 }
 464
 465         work = pw->list_static;
 466         if (pw->layout == PAN_LAYOUT_CALENDAR)
 467                 {
 468                 while (work)
 469                         {
 470                         PanItem *pi;
 471
 472                         pi = static_cast<PanItem *>(work->data);
 473                         work = work->next;
 474
 475                         if (pi->fd &&
 476                             pi->type == PAN_ITEM_BOX &&
 477                             pi->key && strcmp(pi->key, "dot") == 0)
 478                                 {
 479                                 size += pi->fd->size;
 480                                 count++;
 481                                 }
 482                         }
 483                 }
 484         else
 485                 {
 486                 while (work)
 487                         {
 488                         PanItem *pi;
 489
 490                         pi = static_cast<PanItem *>(work->data);
 491                         work = work->next;
 492
 493                         if (pi->fd &&
 494                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 495                                 {
 496                                 size += pi->fd->size;
 497                                 count++;
 498                                 }
 499                         }
 500                 }
 501
 502         ss = text_from_size_abrev(size);
 503         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 504         g_free(ss);
 505         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 506         g_free(buf);
 507 }
 508
 509 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 510 {
 511         gchar *message;
 512
 513         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 514         warning_dialog(_("Folder not supported"), message,
 515                       GQ_ICON_DIALOG_INFO, parent);
 516         g_free(message);
 517 }
 518
 519 static void pan_window_zoom_limit(PanWindow *pw)
 520 {
 521         gdouble min;
 522
 523         switch (pw->size)
 524                 {
 525                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 526                 case PAN_IMAGE_SIZE_THUMB_NONE:
 527                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 528                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 529 #if 0
 530                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 531                         min = -16.0;
 532                         break;
 533 #endif
 534                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 535                         min = -6.0;
 536                         break;
 537                 case PAN_IMAGE_SIZE_10:
 538                 case PAN_IMAGE_SIZE_25:
 539                         min = -4.0;
 540                         break;
 541                 case PAN_IMAGE_SIZE_33:
 542                 case PAN_IMAGE_SIZE_50:
 543                 case PAN_IMAGE_SIZE_100:
 544                 default:
 545                         min = -2.0;
 546                         break;
 547                 }
 548
 549         image_zoom_set_limits(pw->imd, min, 32.0);
 550 }
 551
 552
 553 /*
 554  *-----------------------------------------------------------------------------
 555  * cache
 556  *-----------------------------------------------------------------------------
 557  */
 558
 559 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 560 {
 561         auto pca = static_cast<PanCacheData *>(a);
 562         auto pcb = static_cast<PanCacheData *>(b);
 563         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 564 }
 565 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 566 {
 567         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 568 }
 569
 570
 571 static void pan_cache_free(PanWindow *pw)
 572 {
 573         g_list_free_full(pw->cache_list, [](gpointer data)
 574                 {
 575                 auto pc = static_cast<PanCacheData *>(data);
 576                 cache_sim_data_free(pc->cd);
 577                 file_data_unref(pc->fd);
 578                 g_free(pc);
 579                 });
 580         pw->cache_list = nullptr;
 581
 582         filelist_free(pw->cache_todo);
 583         pw->cache_todo = nullptr;
 584
 585         pw->cache_count = 0;
 586         pw->cache_total = 0;
 587         pw->cache_tick = 0;
 588
 589         cache_loader_free(pw->cache_cl);
 590         pw->cache_cl = nullptr;
 591 }
 592
 593 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 594 {
 595         GList *list;
 596
 597         pan_cache_free(pw);
 598
 599         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 600         pw->cache_todo = g_list_reverse(list);
 601
 602         pw->cache_total = g_list_length(pw->cache_todo);
 603 }
 604
 605 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 606 {
 607         auto pw = static_cast<PanWindow *>(data);
 608
 609         if (pw->cache_list)
 610                 {
 611                 PanCacheData *pc;
 612                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 613
 614                 if (!pc->cd)
 615                         {
 616                         pc->cd = cl->cd;
 617                         cl->cd = nullptr;
 618                         }
 619                 }
 620
 621         cache_loader_free(cl);
 622         pw->cache_cl = nullptr;
 623
 624         pan_layout_update_idle(pw);
 625 }
 626
 627 static gboolean pan_cache_step(PanWindow *pw)
 628 {
 629         FileData *fd;
 630         PanCacheData *pc;
 631         CacheDataType load_mask;
 632
 633         if (!pw->cache_todo) return TRUE;
 634
 635         fd = static_cast<FileData *>(pw->cache_todo->data);
 636         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 637
 638         pc = g_new0(PanCacheData, 1);
 639         pc->fd = file_data_ref(fd);
 640
 641         pc->cd = nullptr;
 642
 643         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 644
 645         cache_loader_free(pw->cache_cl);
 646
 647         load_mask = CACHE_LOADER_NONE;
 648         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 649         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 650         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 651                                         pan_cache_step_done_cb, pw);
 652         return (pw->cache_cl == nullptr);
 653 }
 654
 655 /* This sync date function is optimized for lists with a common sort */
 656 void pan_cache_sync_date(PanWindow *pw, GList *list)
 657 {
 658         GList *haystack;
 659         GList *work;
 660
 661         haystack = g_list_copy(pw->cache_list);
 662
 663         work = list;
 664         while (work)
 665                 {
 666                 FileData *fd;
 667                 GList *needle;
 668
 669                 fd = static_cast<FileData *>(work->data);
 670                 work = work->next;
 671
 672                 needle = haystack;
 673                 while (needle)
 674                         {
 675                         PanCacheData *pc;
 676
 677                         pc = static_cast<PanCacheData *>(needle->data);
 678                         if (pc->fd == fd)
 679                                 {
 680                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 681                                         {
 682                                         fd->date = pc->cd->date;
 683                                         }
 684
 685                                 haystack = g_list_delete_link(haystack, needle);
 686                                 needle = nullptr;
 687                                 }
 688                         else
 689                                 {
 690                                 needle = needle->next;
 691                                 }
 692                         }
 693                 }
 694
 695         g_list_free(haystack);
 696 }
 697
 698 /*
 699  *-----------------------------------------------------------------------------
 700  * item grid
 701  *-----------------------------------------------------------------------------
 702  */
 703
 704 static void pan_grid_clear(PanWindow *pw)
 705 {
 706         g_list_free_full(pw->list_grid, [](gpointer data)
 707                 {
 708                 auto pg = static_cast<PanGrid *>(data);
 709                 g_list_free(pg->list);
 710                 g_free(pg);
 711                 });
 712         pw->list_grid = nullptr;
 713
 714         pw->list = g_list_concat(pw->list, pw->list_static);
 715         pw->list_static = nullptr;
 716 }
 717
 718 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 719 {
 720         GList *work;
 721         gint col, row;
 722         gint cw, ch;
 723         gint l;
 724         gint i, j;
 725
 726         pan_grid_clear(pw);
 727
 728         l = g_list_length(pw->list);
 729
 730         if (l < 1) return;
 731
 732         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 733         col = CLAMP(col, 1, l / grid_size + 1);
 734         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 735         if (row < 1) row = 1;
 736
 737         /* limit minimum size of grid so that a tile will always fit regardless of position */
 738         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 739         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 740
 741         row = row * 2 - 1;
 742         col = col * 2 - 1;
 743
 744         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 745
 746         for (j = 0; j < row; j++)
 747             for (i = 0; i < col; i++)
 748                 {
 749                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 750                         {
 751                         PanGrid *pg;
 752
 753                         pg = g_new0(PanGrid, 1);
 754                         pg->x = i * cw / 2;
 755                         pg->y = j * ch / 2;
 756                         pg->w = cw;
 757                         pg->h = ch;
 758
 759                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 760
 761                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 762                         }
 763                 }
 764
 765         work = pw->list;
 766         while (work)
 767                 {
 768                 PanItem *pi;
 769                 GList *grid;
 770
 771                 pi = static_cast<PanItem *>(work->data);
 772                 work = work->next;
 773
 774                 grid = pw->list_grid;
 775                 while (grid)
 776                         {
 777                         PanGrid *pg;
 778                         gint rx, ry, rw, rh;
 779
 780                         pg = static_cast<PanGrid *>(grid->data);
 781                         grid = grid->next;
 782
 783                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 784                                              pg->x, pg->y, pg->w, pg->h,
 785                                              &rx, &ry, &rw, &rh))
 786                                 {
 787                                 pg->list = g_list_prepend(pg->list, pi);
 788                                 }
 789                         }
 790                 }
 791
 792         work = pw->list_grid;
 793         while (work)
 794                 {
 795                 PanGrid *pg;
 796
 797                 pg = static_cast<PanGrid *>(work->data);
 798                 work = work->next;
 799
 800                 pg->list = g_list_reverse(pg->list);
 801                 }
 802
 803         pw->list_static = pw->list;
 804         pw->list = nullptr;
 805 }
 806
 807
 808 /*
 809  *-----------------------------------------------------------------------------
 810  * layout state reset
 811  *-----------------------------------------------------------------------------
 812  */
 813
 814 static void pan_window_items_free(PanWindow *pw)
 815 {
 816         pan_grid_clear(pw);
 817
 818         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 819         pw->list = nullptr;
 820
 821         g_list_free(pw->queue);
 822         pw->queue = nullptr;
 823         pw->queue_pi = nullptr;
 824
 825         image_loader_free(pw->il);
 826         pw->il = nullptr;
 827
 828         thumb_loader_free(pw->tl);
 829         pw->tl = nullptr;
 830
 831         pw->click_pi = nullptr;
 832         pw->search_pi = nullptr;
 833 }
 834
 835
 836 /*
 837  *-----------------------------------------------------------------------------
 838  * layout generation, queries, sizing
 839  *-----------------------------------------------------------------------------
 840  */
 841
 842 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 843                                gint *width, gint *height,
 844                                gint *scroll_x, gint *scroll_y)
 845 {
 846         pan_window_items_free(pw);
 847
 848         switch (pw->size)
 849                 {
 850                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 851                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 852                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 853                         break;
 854                 case PAN_IMAGE_SIZE_THUMB_NONE:
 855                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 856                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 857                         break;
 858                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 859                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 860                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 861                         break;
 862                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 863                 default:
 864                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 865                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 866                         break;
 867                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 868                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 869                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 870                         break;
 871                 case PAN_IMAGE_SIZE_10:
 872                         pw->image_size = 10;
 873                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 874                         break;
 875                 case PAN_IMAGE_SIZE_25:
 876                         pw->image_size = 25;
 877                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 878                         break;
 879                 case PAN_IMAGE_SIZE_33:
 880                         pw->image_size = 33;
 881                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 882                         break;
 883                 case PAN_IMAGE_SIZE_50:
 884                         pw->image_size = 50;
 885                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 886                         break;
 887                 case PAN_IMAGE_SIZE_100:
 888                         pw->image_size = 100;
 889                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 890                         break;
 891                 }
 892
 893         *width = 0;
 894         *height = 0;
 895         *scroll_x = 0;
 896         *scroll_y = 0;
 897
 898         switch (pw->layout)
 899                 {
 900                 case PAN_LAYOUT_GRID:
 901                 default:
 902                         pan_grid_compute(pw, dir_fd, width, height);
 903                         break;
 904                 case PAN_LAYOUT_FOLDERS_LINEAR:
 905                         pan_folder_tree_compute(pw, dir_fd, width, height);
 906                         break;
 907                 case PAN_LAYOUT_FOLDERS_FLOWER:
 908                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 909                         break;
 910                 case PAN_LAYOUT_CALENDAR:
 911                         pan_calendar_compute(pw, dir_fd, width, height);
 912                         break;
 913                 case PAN_LAYOUT_TIMELINE:
 914                         pan_timeline_compute(pw, dir_fd, width, height);
 915                         break;
 916                 }
 917
 918         pan_cache_free(pw);
 919
 920         DEBUG_1("computed %d objects", g_list_length(pw->list));
 921 }
 922
 923 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 924                                      gint x, gint y, gint width, gint height)
 925 {
 926         GList *work;
 927
 928         work = item_list;
 929         while (work)
 930                 {
 931                 PanItem *pi;
 932                 gint rx, ry, rw, rh;
 933
 934                 pi = static_cast<PanItem *>(work->data);
 935                 work = work->next;
 936
 937                 if (util_clip_region(x, y, width, height,
 938                                      pi->x, pi->y, pi->width, pi->height,
 939                                      &rx, &ry, &rw, &rh))
 940                         {
 941                         list = g_list_prepend(list, pi);
 942                         }
 943                 }
 944
 945         return list;
 946 }
 947
 948 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 949 {
 950         GList *list = nullptr;
 951         GList *grid;
 952         PanGrid *pg = nullptr;
 953
 954         grid = pw->list_grid;
 955         while (grid && !pg)
 956                 {
 957                 pg = static_cast<PanGrid *>(grid->data);
 958                 grid = grid->next;
 959
 960                 if (x < pg->x || x + width > pg->x + pg->w ||
 961                     y < pg->y || y + height > pg->y + pg->h)
 962                         {
 963                         pg = nullptr;
 964                         }
 965                 }
 966
 967         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
 968
 969         if (pg)
 970                 {
 971                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
 972                 }
 973         else
 974                 {
 975                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
 976                 }
 977
 978         return list;
 979 }
 980
 981 void pan_layout_resize(PanWindow *pw)
 982 {
 983         gint width = 0;
 984         gint height = 0;
 985         GList *work;
 986         PixbufRenderer *pr;
 987
 988         work = pw->list;
 989         while (work)
 990                 {
 991                 PanItem *pi;
 992
 993                 pi = static_cast<PanItem *>(work->data);
 994                 work = work->next;
 995
 996                 if (width < pi->x + pi->width) width = pi->x + pi->width;
 997                 if (height < pi->y + pi->height) height = pi->y + pi->height;
 998                 }
 999         work = pw->list_static;
1000         while (work)
1001                 {
1002                 PanItem *pi;
1003
1004                 pi = static_cast<PanItem *>(work->data);
1005                 work = work->next;
1006
1007                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1008                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1009                 }
1010
1011         width += PAN_BOX_BORDER * 2;
1012         height += PAN_BOX_BORDER * 2;
1013
1014         pr = PIXBUF_RENDERER(pw->imd->pr);
1015         if (width < pr->window_width) width = pr->window_width;
1016         if (height < pr->window_width) height = pr->window_height;
1017
1018         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1019 }
1020
1021 static gint pan_layout_update_idle_cb(gpointer data)
1022 {
1023         auto pw = static_cast<PanWindow *>(data);
1024         gint width;
1025         gint height;
1026         gint scroll_x;
1027         gint scroll_y;
1028
1029         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1030             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1031                 {
1032                 if (!pw->cache_list && !pw->cache_todo)
1033                         {
1034                         pan_cache_fill(pw, pw->dir_fd);
1035                         if (pw->cache_todo)
1036                                 {
1037                                 pan_window_message(pw, _("Reading image data..."));
1038                                 return G_SOURCE_CONTINUE;
1039                                 }
1040                         }
1041                 if (pw->cache_todo)
1042                         {
1043                         pw->cache_count++;
1044                         pw->cache_tick++;
1045                         if (pw->cache_count == pw->cache_total)
1046                                 {
1047                                 pan_window_message(pw, _("Sorting..."));
1048                                 }
1049                         else if (pw->cache_tick > 9)
1050                                 {
1051                                 gchar *buf;
1052
1053                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1054                                                       pw->cache_count, pw->cache_total);
1055                                 pan_window_message(pw, buf);
1056                                 g_free(buf);
1057
1058                                 pw->cache_tick = 0;
1059                                 }
1060
1061                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1062
1063                         pw->idle_id = 0;
1064                         return G_SOURCE_REMOVE;
1065                         }
1066                 }
1067
1068         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1069
1070         pan_window_zoom_limit(pw);
1071
1072         if (width > 0 && height > 0)
1073                 {
1074                 gdouble align;
1075
1076                 DEBUG_1("Canvas size is %d x %d", width, height);
1077
1078                 pan_grid_build(pw, width, height, 1000);
1079
1080                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1081                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1082                                           pan_window_request_tile_cb,
1083                                           pan_window_dispose_tile_cb, pw, 1.0);
1084
1085                 if (scroll_x == 0 && scroll_y == 0)
1086                         {
1087                         align = 0.0;
1088                         }
1089                 else
1090                         {
1091                         align = 0.5;
1092                         }
1093                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1094                 }
1095
1096         pan_window_message(pw, nullptr);
1097
1098         pw->idle_id = 0;
1099         return G_SOURCE_REMOVE;
1100 }
1101
1102 static void pan_layout_update_idle(PanWindow *pw)
1103 {
1104         if (!pw->idle_id)
1105                 {
1106                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1107                 }
1108 }
1109
1110 void pan_layout_update(PanWindow *pw)
1111 {
1112         pan_window_message(pw, _("Sorting images..."));
1113         pan_layout_update_idle(pw);
1114 }
1115
1116 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1117 {
1118         if (!dir_fd) return;
1119
1120         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1121                 {
1122                 pan_warning_folder(dir_fd->path, pw->window);
1123                 return;
1124                 }
1125
1126         file_data_unref(pw->dir_fd);
1127         pw->dir_fd = file_data_ref(dir_fd);
1128
1129         pan_layout_update(pw);
1130 }
1131
1132
1133 /*
1134  *-----------------------------------------------------------------------------
1135  * keyboard handlers
1136  *-----------------------------------------------------------------------------
1137  */
1138
1139 FileData *pan_menu_click_fd(PanWindow *pw)
1140 {
1141         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1142         return nullptr;
1143 }
1144
1145 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1146 {
1147         auto pw = static_cast<PanWindow *>(data);
1148         PixbufRenderer *pr;
1149         FileData *fd;
1150         gboolean stop_signal = FALSE;
1151         GtkWidget *menu;
1152         GtkWidget *imd_widget;
1153         gint x = 0;
1154         gint y = 0;
1155         gint focused;
1156         gint on_entry;
1157
1158         pr = PIXBUF_RENDERER(pw->imd->pr);
1159         fd = pan_menu_click_fd(pw);
1160
1161         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1162         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1163         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1164                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1165                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1166
1167         if (focused)
1168                 {
1169                 stop_signal = TRUE;
1170                 switch (event->keyval)
1171                         {
1172                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1173                                 x -= 1;
1174                                 break;
1175                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1176                                 x += 1;
1177                                 break;
1178                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1179                                 y -= 1;
1180                                 break;
1181                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1182                                 y += 1;
1183                                 break;
1184                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1185                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1186                                 break;
1187                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1188                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1189                                 break;
1190                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1191                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1192                                 break;
1193                         case GDK_KEY_End: case GDK_KEY_KP_End:
1194                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1195                                 break;
1196                         default:
1197                                 stop_signal = FALSE;
1198                                 break;
1199                         }
1200
1201                 if (x != 0 || y!= 0)
1202                         {
1203                         if (event->state & GDK_SHIFT_MASK)
1204                                 {
1205                                 x *= 3;
1206                                 y *= 3;
1207                                 }
1208                         keyboard_scroll_calc(&x, &y, event);
1209                         pixbuf_renderer_scroll(pr, x, y);
1210                         }
1211                 }
1212
1213         if (stop_signal) return stop_signal;
1214
1215         if (event->state & GDK_CONTROL_MASK)
1216                 {
1217                 stop_signal = TRUE;
1218                 switch (event->keyval)
1219                         {
1220                         case '1':
1221                         case '2':
1222                         case '3':
1223                         case '4':
1224                         case '5':
1225                         case '6':
1226                         case '7':
1227                         case '8':
1228                         case '9':
1229                         case '0':
1230                                 break;
1231                         case 'C': case 'c':
1232                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1233                                 break;
1234                         case 'M': case 'm':
1235                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1236                                 break;
1237                         case 'R': case 'r':
1238                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1239                                 break;
1240                         case 'D': case 'd':
1241                                 if (fd)
1242                                         {
1243                                         options->file_ops.safe_delete_enable = TRUE;
1244                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1245                                         }
1246                                 break;
1247                         case 'F': case 'f':
1248                                 pan_search_toggle_visible(pw, TRUE);
1249                                 break;
1250                         case 'G': case 'g':
1251                                 pan_search_activate(pw);
1252                                 break;
1253                         case 'W': case 'w':
1254                                 pan_window_close(pw);
1255                                 break;
1256                         default:
1257                                 stop_signal = FALSE;
1258                                 break;
1259                         }
1260                 }
1261         else
1262                 {
1263                 stop_signal = TRUE;
1264                 switch (event->keyval)
1265                         {
1266                         case GDK_KEY_Escape:
1267                                 if (pw->fs)
1268                                         {
1269                                         pan_fullscreen_toggle(pw, TRUE);
1270                                         }
1271                                 else
1272                                         {
1273                                         pan_search_toggle_visible(pw, FALSE);
1274                                         }
1275                                 break;
1276                         default:
1277                                 stop_signal = FALSE;
1278                                 break;
1279                         }
1280
1281                 if (stop_signal) return stop_signal;
1282
1283                 // Don't steal characters from entry boxes.
1284                 if (!on_entry)
1285                         {
1286                         stop_signal = TRUE;
1287                         switch (event->keyval)
1288                                 {
1289                                 case '+': case '=': case GDK_KEY_KP_Add:
1290                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1291                                         break;
1292                                 case '-': case GDK_KEY_KP_Subtract:
1293                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1294                                         break;
1295                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1296                                         pixbuf_renderer_zoom_set(pr, 1.0);
1297                                         break;
1298                                 case '2':
1299                                         pixbuf_renderer_zoom_set(pr, 2.0);
1300                                         break;
1301                                 case '3':
1302                                         pixbuf_renderer_zoom_set(pr, 3.0);
1303                                         break;
1304                                 case '4':
1305                                         pixbuf_renderer_zoom_set(pr, 4.0);
1306                                         break;
1307                                 case '7':
1308                                         pixbuf_renderer_zoom_set(pr, -4.0);
1309                                         break;
1310                                 case '8':
1311                                         pixbuf_renderer_zoom_set(pr, -3.0);
1312                                         break;
1313                                 case '9':
1314                                         pixbuf_renderer_zoom_set(pr, -2.0);
1315                                         break;
1316                                 case 'F': case 'f':
1317                                 case 'V': case 'v':
1318                                 case GDK_KEY_F11:
1319                                         pan_fullscreen_toggle(pw, FALSE);
1320                                         break;
1321                                 case 'I': case 'i':
1322                                         break;
1323                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1324                                         break;
1325                                 case GDK_KEY_Menu:
1326                                 case GDK_KEY_F10:
1327                                         menu = pan_popup_menu(pw);
1328                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1329
1330                                         break;
1331                                 case '/':
1332                                         pan_search_toggle_visible(pw, TRUE);
1333                                         break;
1334                                         stop_signal = FALSE;
1335                                         break;
1336                                 }
1337                         }
1338                 }
1339         if (!stop_signal && is_help_key(event))
1340                 {
1341                 help_window_show("GuideOtherWindowsPanView.html");
1342                 stop_signal = TRUE;
1343                 }
1344
1345         return stop_signal;
1346 }
1347
1348 /*
1349  *-----------------------------------------------------------------------------
1350  * info popup
1351  *-----------------------------------------------------------------------------
1352  */
1353
1354 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1355 {
1356         GList *exif_list;
1357         gchar *text;
1358         gchar *title;
1359         gchar *key;
1360
1361         if (!fd) return;
1362
1363         exif_list = bar_pane_exif_list();
1364         while (exif_list)
1365                 {
1366                 title = static_cast<gchar *>(exif_list->data);
1367                 exif_list = exif_list->next;
1368                 key = static_cast<gchar *>(exif_list->data);
1369                 exif_list = exif_list->next;
1370
1371                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1372                 if (text && text[0] != '\0')
1373                         {
1374                         pan_text_alignment_add(ta, title, text);
1375                         }
1376
1377                 g_free(text);
1378                 }
1379
1380         g_list_free_full(exif_list, g_free);
1381 }
1382
1383
1384 void pan_info_update(PanWindow *pw, PanItem *pi)
1385 {
1386         PanTextAlignment *ta;
1387         PanItem *pbox;
1388         PanItem *p;
1389         gchar *buf;
1390         gint x1, y1, x2, y2, x3, y3;
1391         gint x, y, w, h;
1392
1393         if (pw->click_pi == pi) return;
1394         if (pi && !pi->fd) pi = nullptr;
1395
1396         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1397         pw->click_pi = pi;
1398
1399         if (!pi) return;
1400
1401         DEBUG_1("info set to %s", pi->fd->path);
1402
1403         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1404                                 PAN_POPUP_BORDER,
1405                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1406                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1407         pan_item_set_key(pbox, "info");
1408
1409         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1410                 {
1411                 w = gdk_pixbuf_get_width(pi->pixbuf);
1412                 h = gdk_pixbuf_get_height(pi->pixbuf);
1413
1414                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1415                 y1 = pi->y + (pi->height - h) / 2 + 8;
1416                 }
1417         else
1418                 {
1419                 x1 = pi->x + pi->width - 8;
1420                 y1 = pi->y + 8;
1421                 }
1422
1423         x2 = pbox->x + 1;
1424         y2 = pbox->y + 36;
1425         x3 = pbox->x + 1;
1426         y3 = pbox->y + 12;
1427         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1428                            &x, &y, &w, &h);
1429
1430         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1431                              x1, y1, x2, y2, x3, y3,
1432                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1433         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1434         pan_item_set_key(p, "info");
1435         pan_item_added(pw, p);
1436
1437         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1438
1439         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1440         buf = remove_level_from_path(pi->fd->path);
1441         pan_text_alignment_add(ta, _("Location:"), buf);
1442         g_free(buf);
1443         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1444         buf = text_from_size(pi->fd->size);
1445         pan_text_alignment_add(ta, _("Size:"), buf);
1446         g_free(buf);
1447
1448         if (pw->info_includes_exif)
1449                 {
1450                 pan_info_add_exif(ta, pi->fd);
1451                 }
1452
1453         pan_text_alignment_calc(ta, pbox);
1454         pan_text_alignment_free(ta);
1455
1456         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1457         pan_item_added(pw, pbox);
1458
1459         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1460                 {
1461                 gint iw, ih;
1462                 if (image_load_dimensions(pi->fd, &iw, &ih))
1463                         {
1464                         gint scale = 25;
1465
1466                         switch (pw->info_image_size)
1467                                 {
1468                                 case PAN_IMAGE_SIZE_10:
1469                                         scale = 10;
1470                                         break;
1471                                 case PAN_IMAGE_SIZE_25:
1472                                         scale = 25;
1473                                         break;
1474                                 case PAN_IMAGE_SIZE_33:
1475                                         scale = 33;
1476                                         break;
1477                                 case PAN_IMAGE_SIZE_50:
1478                                         scale = 50;
1479                                         break;
1480                                 case PAN_IMAGE_SIZE_100:
1481                                         scale = 100;
1482                                         break;
1483                                 }
1484
1485                         iw = MAX(1, iw * scale / 100);
1486                         ih = MAX(1, ih * scale / 100);
1487
1488                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1489                                                 PAN_POPUP_BORDER,
1490                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1491                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1492                         pan_item_set_key(pbox, "info");
1493
1494                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1495                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1496                         pan_item_set_key(p, "info");
1497                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1498
1499                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1500                         pan_item_added(pw, pbox);
1501                         }
1502                 }
1503
1504         pan_layout_resize(pw);
1505 }
1506
1507
1508 /*
1509  *-----------------------------------------------------------------------------
1510  * main window
1511  *-----------------------------------------------------------------------------
1512  */
1513
1514 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1515 {
1516         auto pw = static_cast<PanWindow *>(data);
1517         PanItem *pi = nullptr;
1518         GtkWidget *menu;
1519         gint rx, ry;
1520
1521         rx = ry = 0;
1522         if (pr->scale)
1523                 {
1524                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1525                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1526                 }
1527
1528         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1529         if (pi && event->button == MOUSE_BUTTON_LEFT)
1530                 {
1531                 pan_info_update(pw, nullptr);
1532                 return;
1533                 }
1534
1535         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1536                                     rx, ry, nullptr);
1537
1538         switch (event->button)
1539                 {
1540                 case MOUSE_BUTTON_LEFT:
1541                         pan_info_update(pw, pi);
1542
1543                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1544                                 {
1545                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1546                                 pan_calendar_update(pw, pi);
1547                                 }
1548                         break;
1549                 case MOUSE_BUTTON_MIDDLE:
1550                         break;
1551                 case MOUSE_BUTTON_RIGHT:
1552                         pan_info_update(pw, pi);
1553                         menu = pan_popup_menu(pw);
1554                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1555                         break;
1556                 default:
1557                         break;
1558                 }
1559 }
1560
1561 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1562 {
1563         gint w, h;
1564
1565         w = pr->vis_width;
1566         h = pr->vis_height;
1567
1568         if (!(event->state & GDK_SHIFT_MASK))
1569                 {
1570                 w /= 3;
1571                 h /= 3;
1572                 }
1573
1574         if (event->state & GDK_CONTROL_MASK)
1575                 {
1576                 switch (event->direction)
1577                         {
1578                         case GDK_SCROLL_UP:
1579                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1580                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1581                                 break;
1582                         case GDK_SCROLL_DOWN:
1583                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1584                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1585                                 break;
1586                         default:
1587                                 break;
1588                         }
1589                 }
1590         else
1591                 {
1592                 switch (event->direction)
1593                         {
1594                         case GDK_SCROLL_UP:
1595                                 pixbuf_renderer_scroll(pr, 0, -h);
1596                                 break;
1597                         case GDK_SCROLL_DOWN:
1598                                 pixbuf_renderer_scroll(pr, 0, h);
1599                                 break;
1600                         case GDK_SCROLL_LEFT:
1601                                 pixbuf_renderer_scroll(pr, -w, 0);
1602                                 break;
1603                         case GDK_SCROLL_RIGHT:
1604                                 pixbuf_renderer_scroll(pr, w, 0);
1605                                 break;
1606                         default:
1607                                 break;
1608                         }
1609                 }
1610 }
1611
1612 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1613 {
1614         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1615                          G_CALLBACK(button_cb), pw);
1616         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1617                          G_CALLBACK(scroll_cb), pw);
1618 }
1619
1620 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1621 {
1622         auto pw = static_cast<PanWindow *>(data);
1623
1624         pw->fs = nullptr;
1625         pw->imd = pw->imd_normal;
1626 }
1627
1628 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1629 {
1630         if (force_off && !pw->fs) return;
1631
1632         if (pw->fs)
1633                 {
1634                 fullscreen_stop(pw->fs);
1635                 }
1636         else
1637                 {
1638                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1639                 pan_image_set_buttons(pw, pw->fs->imd);
1640                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1641                                  G_CALLBACK(pan_window_key_press_cb), pw);
1642
1643                 pw->imd = pw->fs->imd;
1644                 }
1645 }
1646
1647 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1648 {
1649         auto pw = static_cast<PanWindow *>(data);
1650         gchar *text;
1651
1652         text = image_zoom_get_as_text(pw->imd);
1653         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1654         g_free(text);
1655 }
1656
1657 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1658 {
1659         auto pw = static_cast<PanWindow *>(data);
1660         GtkAdjustment *adj;
1661         GdkRectangle rect;
1662         gint width, height;
1663
1664         if (pr->scale == 0.0) return;
1665
1666         pixbuf_renderer_get_visible_rect(pr, &rect);
1667         pixbuf_renderer_get_image_size(pr, &width, &height);
1668
1669         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1670         gtk_adjustment_set_page_size(adj, rect.width);
1671         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1672         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1673         gtk_adjustment_set_lower(adj, 0.0);
1674         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1675         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1676
1677         pref_signal_block_data(pw->scrollbar_h, pw);
1678         pref_signal_unblock_data(pw->scrollbar_h, pw);
1679
1680         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1681         gtk_adjustment_set_page_size(adj, rect.height);
1682         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1683         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1684         gtk_adjustment_set_lower(adj, 0.0);
1685         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1686         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1687
1688         pref_signal_block_data(pw->scrollbar_v, pw);
1689         pref_signal_unblock_data(pw->scrollbar_v, pw);
1690 }
1691
1692 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1693 {
1694         auto pw = static_cast<PanWindow *>(data);
1695         PixbufRenderer *pr;
1696         gint x;
1697
1698         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1699
1700         if (!pr->scale) return;
1701
1702         x = static_cast<gint>(gtk_range_get_value(range));
1703
1704         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1705 }
1706
1707 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1708 {
1709         auto pw = static_cast<PanWindow *>(data);
1710         PixbufRenderer *pr;
1711         gint y;
1712
1713         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1714
1715         if (!pr->scale) return;
1716
1717         y = static_cast<gint>(gtk_range_get_value(range));
1718
1719         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1720 }
1721
1722 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1723 {
1724         auto pw = static_cast<PanWindow *>(data);
1725
1726         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1727         pan_layout_update(pw);
1728 }
1729
1730 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1731 {
1732         auto pw = static_cast<PanWindow *>(data);
1733
1734         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1735         pan_layout_update(pw);
1736 }
1737
1738 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1739 {
1740         auto pw = static_cast<PanWindow *>(data);
1741         gchar *path;
1742
1743         path = remove_trailing_slash(new_text);
1744         parse_out_relatives(path);
1745
1746         if (!isdir(path))
1747                 {
1748                 warning_dialog(_("Folder not found"),
1749                                _("The entered path is not a folder"),
1750                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1751                 }
1752         else
1753                 {
1754                 FileData *dir_fd = file_data_new_dir(path);
1755                 tab_completion_append_to_history(pw->path_entry, path);
1756
1757                 pan_layout_set_fd(pw, dir_fd);
1758                 file_data_unref(dir_fd);
1759                 }
1760
1761         g_free(path);
1762 }
1763
1764 static void pan_window_close(PanWindow *pw)
1765 {
1766         pan_window_list = g_list_remove(pan_window_list, pw);
1767
1768         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1769         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1770         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1771
1772         if (pw->idle_id)
1773                 {
1774                 g_source_remove(pw->idle_id);
1775                 }
1776
1777         pan_fullscreen_toggle(pw, TRUE);
1778         pan_search_ui_destroy(&pw->search_ui);
1779         pan_filter_ui_destroy(&pw->filter_ui);
1780         gq_gtk_widget_destroy(pw->window);
1781
1782         pan_window_items_free(pw);
1783         pan_cache_free(pw);
1784
1785         file_data_unref(pw->dir_fd);
1786
1787         g_free(pw);
1788 }
1789
1790 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1791 {
1792         auto pw = static_cast<PanWindow *>(data);
1793
1794         pan_window_close(pw);
1795         return TRUE;
1796 }
1797
1798 static void pan_window_new_real(FileData *dir_fd)
1799 {
1800         PanWindow *pw;
1801         GtkWidget *vbox;
1802         GtkWidget *box;
1803         GtkWidget *combo;
1804         GtkWidget *hbox;
1805         GtkWidget *frame;
1806         GtkWidget *table;
1807         GdkGeometry geometry;
1808
1809         pw = g_new0(PanWindow, 1);
1810
1811         pw->dir_fd = file_data_ref(dir_fd);
1812         pw->layout = PAN_LAYOUT_TIMELINE;
1813         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1814         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1815         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1816
1817         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1818                 {
1819                 pw->exif_date_enable = FALSE;
1820                 }
1821         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1822                 {
1823                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1824                 }
1825         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1826                 {
1827                 pw->info_includes_exif = TRUE;
1828                 }
1829
1830         pw->ignore_symlinks = TRUE;
1831
1832         pw->idle_id = 0;
1833
1834         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1835         DEBUG_NAME(pw->window);
1836
1837         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1838         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1839         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1840
1841         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1842         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1843
1844         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1845         DEBUG_NAME(vbox);
1846         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1847         gtk_widget_show(vbox);
1848
1849         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1850
1851         pref_spacer(box, 0);
1852         pref_label_new(box, _("Location:"));
1853         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1854                                                 pan_window_entry_activate_cb, pw);
1855         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1856         gtk_widget_show(combo);
1857
1858         combo = gtk_combo_box_text_new();
1859         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1860         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1861         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1862         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1863         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1864
1865         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1866         g_signal_connect(G_OBJECT(combo), "changed",
1867                          G_CALLBACK(pan_window_layout_change_cb), pw);
1868         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1869         gtk_widget_show(combo);
1870
1871         combo = gtk_combo_box_text_new();
1872         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1873         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1874         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1875         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1876         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1877         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1878         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1879         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1880         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1881         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1882
1883         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1884         g_signal_connect(G_OBJECT(combo), "changed",
1885                          G_CALLBACK(pan_window_layout_size_cb), pw);
1886         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1887         gtk_widget_show(combo);
1888
1889         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1890         gtk_grid_set_row_spacing(GTK_GRID(table), 2);
1891         gtk_grid_set_column_spacing(GTK_GRID(table), 2);
1892
1893         pw->imd = image_new(TRUE);
1894         pw->imd_normal = pw->imd;
1895
1896         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1897                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1898         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1899                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1900
1901         gq_gtk_grid_attach(GTK_GRID(table), pw->imd->widget, 0, 1, 0, 1, static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1902         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1903
1904         pan_window_dnd_init(pw);
1905
1906         pan_image_set_buttons(pw, pw->imd);
1907
1908         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1909         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1910                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1911         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_h, 0, 1, 1, 2,  static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(0), 0, 0);
1912         gtk_widget_show(pw->scrollbar_h);
1913
1914         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1915         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1916                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1917         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_v, 1, 2, 0, 1,  static_cast<GtkAttachOptions>(0), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1918         gtk_widget_show(pw->scrollbar_v);
1919
1920         /* find bar */
1921
1922         pw->search_ui = pan_search_ui_new(pw);
1923         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1924
1925     /* filter bar */
1926     pw->filter_ui = pan_filter_ui_new(pw);
1927     gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1928
1929         /* status bar */
1930
1931         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1932
1933         frame = gtk_frame_new(nullptr);
1934         DEBUG_NAME(frame);
1935         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1936         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1937         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1938         gtk_widget_show(frame);
1939
1940         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1941         gtk_container_add(GTK_CONTAINER(frame), hbox);
1942         gtk_widget_show(hbox);
1943
1944         pref_spacer(hbox, 0);
1945         pw->label_message = pref_label_new(hbox, "");
1946
1947         frame = gtk_frame_new(nullptr);
1948         DEBUG_NAME(frame);
1949         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1950         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1951         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1952         gtk_widget_show(frame);
1953
1954         pw->label_zoom = gtk_label_new("");
1955         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1956         gtk_widget_show(pw->label_zoom);
1957
1958         // Add the "Find" button to the status bar area.
1959         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1960         gtk_widget_show(pw->search_ui->search_button);
1961
1962         // Add the "Filter" button to the status bar area.
1963         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1964         gtk_widget_show(pw->filter_ui->filter_button);
1965
1966         g_signal_connect(G_OBJECT(pw->window), "delete_event",
1967                          G_CALLBACK(pan_window_delete_cb), pw);
1968         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
1969                          G_CALLBACK(pan_window_key_press_cb), pw);
1970
1971         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
1972
1973         pan_layout_update(pw);
1974
1975         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1976         gtk_widget_show(pw->window);
1977
1978         pan_window_list = g_list_append(pan_window_list, pw);
1979 }
1980
1981 /*
1982  *-----------------------------------------------------------------------------
1983  * performance warnings
1984  *-----------------------------------------------------------------------------
1985  */
1986
1987 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
1988 {
1989         auto dir_fd = static_cast<FileData *>(data);
1990
1991         generic_dialog_close(gd);
1992
1993         pan_window_new_real(dir_fd);
1994         file_data_unref(dir_fd);
1995 }
1996
1997 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
1998 {
1999         gboolean hide_dlg;
2000
2001         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2002         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2003 }
2004
2005 static gboolean pan_warning(FileData *dir_fd)
2006 {
2007         GenericDialog *gd;
2008         GtkWidget *box;
2009         GtkWidget *group;
2010         GtkWidget *button;
2011         GtkWidget *ct_button;
2012         gboolean hide_dlg;
2013
2014         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2015                 {
2016                 pan_warning_folder(dir_fd->path, nullptr);
2017                 return TRUE;
2018                 }
2019
2020         if (options->thumbnails.enable_caching &&
2021             options->thumbnails.spec_standard) return FALSE;
2022
2023         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2024         if (hide_dlg) return FALSE;
2025
2026         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2027                                 nullptr, nullptr);
2028         gd->data = file_data_ref(dir_fd);
2029         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2030                                   pan_warning_ok_cb, TRUE);
2031
2032         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2033                                          _("Pan view performance may be poor."),
2034                                          _("To improve the performance of thumbnails in\npan view the following options can be enabled.\n\nNote that both options must be enabled to\nnotice a change in performance."), TRUE);
2035
2036         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2037         pref_spacer(group, PREF_PAD_INDENT);
2038         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2039
2040         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2041                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2042         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2043                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2044         pref_checkbox_link_sensitivity(ct_button, button);
2045
2046         pref_line(box, 0);
2047
2048         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2049                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2050
2051         gtk_widget_show(gd->dialog);
2052
2053         return TRUE;
2054 }
2055
2056
2057 /*
2058  *-----------------------------------------------------------------------------
2059  * entry point
2060  *-----------------------------------------------------------------------------
2061  */
2062
2063 void pan_window_new(FileData *dir_fd)
2064 {
2065         if (pan_warning(dir_fd)) return;
2066
2067         pan_window_new_real(dir_fd);
2068 }
2069
2070
2071 /*
2072  *-----------------------------------------------------------------------------
2073  * menus
2074  *-----------------------------------------------------------------------------
2075  */
2076
2077 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2078
2079
2080 static void pan_new_window_cb(GtkWidget *, gpointer data)
2081 {
2082         auto pw = static_cast<PanWindow *>(data);
2083         FileData *fd;
2084
2085         fd = pan_menu_click_fd(pw);
2086         if (fd)
2087                 {
2088                 pan_fullscreen_toggle(pw, TRUE);
2089                 view_window_new(fd);
2090                 }
2091 }
2092
2093 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2094 {
2095         LayoutWindow *lw = nullptr;
2096         auto pw = static_cast<PanWindow *>(data);
2097         FileData *fd;
2098
2099         if (!layout_valid(&lw)) return;
2100
2101         fd = pan_menu_click_fd(pw);
2102         if (fd)
2103                 {
2104                 layout_set_fd(lw, fd);
2105                 }
2106 }
2107
2108 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2109 {
2110         PanWindow *pw;
2111         FileData *fd;
2112         auto key = static_cast<const gchar *>(data);
2113
2114         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2115         if (!pw) return;
2116
2117         fd = pan_menu_click_fd(pw);
2118         if (fd)
2119                 {
2120                 if (!editor_window_flag_set(key))
2121                         {
2122                         pan_fullscreen_toggle(pw, TRUE);
2123                         }
2124                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2125                 }
2126 }
2127
2128 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2129 {
2130         auto pw = static_cast<PanWindow *>(data);
2131
2132         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2133 }
2134
2135 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2136 {
2137         auto pw = static_cast<PanWindow *>(data);
2138
2139         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2140 }
2141
2142 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2143 {
2144         auto pw = static_cast<PanWindow *>(data);
2145
2146         image_zoom_set(pw->imd, 1.0);
2147 }
2148
2149 static void pan_copy_cb(GtkWidget *, gpointer data)
2150 {
2151         auto pw = static_cast<PanWindow *>(data);
2152         FileData *fd;
2153
2154         fd = pan_menu_click_fd(pw);
2155         if (fd) file_util_copy(fd, nullptr, nullptr, pw->imd->widget);
2156 }
2157
2158 static void pan_move_cb(GtkWidget *, gpointer data)
2159 {
2160         auto pw = static_cast<PanWindow *>(data);
2161         FileData *fd;
2162
2163         fd = pan_menu_click_fd(pw);
2164         if (fd) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2165 }
2166
2167 static void pan_rename_cb(GtkWidget *, gpointer data)
2168 {
2169         auto pw = static_cast<PanWindow *>(data);
2170         FileData *fd;
2171
2172         fd = pan_menu_click_fd(pw);
2173         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2174 }
2175
2176 static void pan_delete_cb(GtkWidget *, gpointer data)
2177 {
2178         auto pw = static_cast<PanWindow *>(data);
2179         FileData *fd;
2180
2181         fd = pan_menu_click_fd(pw);
2182         if (fd)
2183                 {
2184                 options->file_ops.safe_delete_enable = FALSE;
2185                 file_util_delete(fd, nullptr, pw->imd->widget);
2186                 }
2187 }
2188
2189 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2190 {
2191         auto pw = static_cast<PanWindow *>(data);
2192         FileData *fd;
2193
2194         fd = pan_menu_click_fd(pw);
2195         if (fd)
2196                 {
2197                 options->file_ops.safe_delete_enable = TRUE;
2198                 file_util_delete(fd, nullptr, pw->imd->widget);
2199                 }
2200 }
2201
2202 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2203 {
2204         auto pw = static_cast<PanWindow *>(data);
2205         FileData *fd;
2206
2207         fd = pan_menu_click_fd(pw);
2208         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2209 }
2210
2211 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2212 {
2213         auto pw = static_cast<PanWindow *>(data);
2214         FileData *fd;
2215
2216         fd = pan_menu_click_fd(pw);
2217         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2218 }
2219
2220 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2221 {
2222         auto pw = static_cast<PanWindow *>(data);
2223
2224         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2225         pan_layout_update(pw);
2226 }
2227
2228 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2229 {
2230         auto pw = static_cast<PanWindow *>(data);
2231
2232         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2233         /** @FIXME sync info now */
2234 }
2235
2236 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2237 {
2238         auto pw = static_cast<PanWindow *>(data);
2239
2240         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2241         /** @FIXME sync info now */
2242 }
2243
2244 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2245 {
2246         auto pw = static_cast<PanWindow *>(data);
2247
2248         pan_fullscreen_toggle(pw, FALSE);
2249 }
2250
2251 static void pan_close_cb(GtkWidget *, gpointer data)
2252 {
2253         auto pw = static_cast<PanWindow *>(data);
2254
2255         pan_window_close(pw);
2256 }
2257
2258 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2259 {
2260         auto editmenu_fd_list = static_cast<GList *>(data);
2261
2262         filelist_free(editmenu_fd_list);
2263 }
2264
2265 static void pan_play_cb(GtkWidget *, gpointer data)
2266 {
2267         auto pw = static_cast<PanWindow *>(data);
2268
2269         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2270 }
2271
2272 static GList *pan_view_get_fd_list(PanWindow *pw)
2273 {
2274         GList *list = nullptr;
2275         FileData *fd = pan_menu_click_fd(pw);
2276
2277         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2278
2279         return list;
2280 }
2281
2282 /**
2283  * @brief Add file selection list to a collection
2284  * @param[in] widget
2285  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2286  *
2287  *
2288  */
2289 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2290 {
2291         PanWindow *pw;
2292         GList *selection_list = nullptr;
2293
2294         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2295         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2296         pop_menu_collections(selection_list, data);
2297
2298         filelist_free(selection_list);
2299 }
2300
2301 static GtkWidget *pan_popup_menu(PanWindow *pw)
2302 {
2303         GtkWidget *menu;
2304         GtkWidget *submenu;
2305         GtkWidget *item;
2306         gboolean active, video;
2307         GList *editmenu_fd_list;
2308         GtkAccelGroup *accel_group;
2309
2310         active = (pw->click_pi != nullptr);
2311         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2312
2313         menu = popup_menu_short_lived();
2314         accel_group = gtk_accel_group_new();
2315         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2316
2317         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2318         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2319
2320         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2321                             G_CALLBACK(pan_play_cb), pw);
2322         menu_item_add_divider(menu);
2323
2324         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2325                             G_CALLBACK(pan_zoom_in_cb), pw);
2326         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2327                             G_CALLBACK(pan_zoom_out_cb), pw);
2328         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2329                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2330         menu_item_add_divider(menu);
2331
2332         editmenu_fd_list = pan_view_get_fd_list(pw);
2333         g_signal_connect(G_OBJECT(menu), "destroy",
2334                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2335
2336         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2337         gtk_widget_set_sensitive(item, active);
2338
2339         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2340                                       G_CALLBACK(pan_new_window_cb), pw);
2341         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2342                         G_CALLBACK(pan_go_to_original_cb), pw);
2343
2344         menu_item_add_divider(menu);
2345         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2346                                       G_CALLBACK(pan_copy_cb), pw);
2347         menu_item_add_sensitive(menu, _("_Move..."), active,
2348                                 G_CALLBACK(pan_move_cb), pw);
2349         menu_item_add_sensitive(menu, _("_Rename..."), active,
2350                                 G_CALLBACK(pan_rename_cb), pw);
2351         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2352                                 G_CALLBACK(pan_copy_path_cb), pw);
2353         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2354                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2355
2356         menu_item_add_divider(menu);
2357         menu_item_add_icon_sensitive(menu,
2358                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2359                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2360                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2361         menu_item_add_icon_sensitive(menu,
2362                                 options->file_ops.confirm_delete ? _("_Delete...") :
2363                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2364                                                 G_CALLBACK(pan_delete_cb), pw);
2365
2366         menu_item_add_divider(menu);
2367
2368         submenu = submenu_add_collections(menu, &item,
2369                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2370         gtk_widget_set_sensitive(item, TRUE);
2371         menu_item_add_divider(menu);
2372
2373
2374         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2375                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2376         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2377
2378         menu_item_add_divider(menu);
2379
2380         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2381                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2382         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2383         submenu = gtk_menu_new();
2384         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2385
2386         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2387                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2388         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2389
2390         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2391                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2392         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2393
2394         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2395                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2396         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2397
2398         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2399                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2400         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2401
2402         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2403                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2404         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2405
2406         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2407                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2408         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2409
2410
2411
2412         menu_item_add_divider(menu);
2413
2414         if (pw->fs)
2415                 {
2416                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2417                 }
2418         else
2419                 {
2420                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2421                 }
2422
2423         menu_item_add_divider(menu);
2424         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2425
2426         return menu;
2427 }
2428
2429
2430 /*
2431  *-----------------------------------------------------------------------------
2432  * drag and drop
2433  *-----------------------------------------------------------------------------
2434  */
2435
2436 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2437                                     gint, gint,
2438                                     GtkSelectionData *selection_data, guint info,
2439                                     guint, gpointer data)
2440 {
2441         auto pw = static_cast<PanWindow *>(data);
2442
2443         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2444
2445         if (info == TARGET_URI_LIST)
2446                 {
2447                 GList *list;
2448
2449                 list = uri_filelist_from_gtk_selection_data(selection_data);
2450                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2451                         {
2452                         auto fd = static_cast<FileData *>(list->data);
2453
2454                         pan_layout_set_fd(pw, fd);
2455                         }
2456
2457                 filelist_free(list);
2458                 }
2459 }
2460
2461 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2462                                     GtkSelectionData *selection_data, guint,
2463                                     guint, gpointer data)
2464 {
2465         auto pw = static_cast<PanWindow *>(data);
2466         FileData *fd;
2467
2468         fd = pan_menu_click_fd(pw);
2469         if (fd)
2470                 {
2471                 GList *list;
2472
2473                 list = g_list_append(nullptr, fd);
2474                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2475                 g_list_free(list);
2476                 }
2477         else
2478                 {
2479                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2480                                        8, nullptr, 0);
2481                 }
2482 }
2483
2484 static void pan_window_dnd_init(PanWindow *pw)
2485 {
2486         GtkWidget *widget;
2487
2488         widget = pw->imd->pr;
2489
2490         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2491                             dnd_file_drag_types, dnd_file_drag_types_count,
2492                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2493         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2494                          G_CALLBACK(pan_window_set_dnd_data), pw);
2495
2496         gtk_drag_dest_set(widget,
2497                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2498                           dnd_file_drop_types, dnd_file_drop_types_count,
2499                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2500         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2501                          G_CALLBACK(pan_window_get_dnd_data), pw);
2502 }
2503
2504 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */