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 enum {
  56         PAN_WINDOW_DEFAULT_WIDTH = 720,
  57         PAN_WINDOW_DEFAULT_HEIGHT = 500
  58 };
  59
  60 enum {
  61         PAN_TILE_SIZE = 512
  62 };
  63
  64 #define ZOOM_INCREMENT 1.0
  65 enum {
  66         ZOOM_LABEL_WIDTH = 64
  67 };
  68
  69
  70 #define PAN_PREF_GROUP          "pan_view_options"
  71 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  72 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  73 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  74 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  75
  76
  77 static GList *pan_window_list = nullptr;
  78
  79
  80 static void pan_layout_update_idle(PanWindow *pw);
  81
  82 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  83
  84 static void pan_window_close(PanWindow *pw);
  85
  86 static GtkWidget *pan_popup_menu(PanWindow *pw);
  87
  88 static void pan_window_dnd_init(PanWindow *pw);
  89
  90 /**
  91  * This array must be kept in sync with the contents of:\n
  92  * @link pan_window_key_press_cb @endlink \n
  93  * @link pan_popup_menu @endlink
  94  *
  95  * See also @link hard_coded_window_keys @endlink
  96  **/
  97 hard_coded_window_keys pan_view_window_keys[] = {
  98         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  99         {GDK_CONTROL_MASK, 'M', N_("Move")},
 100         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 101         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 102         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 103         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 104         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 105         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 106         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 107         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 108         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 109         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 110         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 111         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 112         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 113         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 114         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 115         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 116         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 117         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 118         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 119         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 120         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 121         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 122         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 123         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 124         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 125         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 127         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 128         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 129         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 130         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 131         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 132         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 133         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 134         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 135         {static_cast<GdkModifierType>(0), 0, nullptr}
 136 };
 137
 138 /*
 139  *-----------------------------------------------------------------------------
 140  * the image/thumb loader queue
 141  *-----------------------------------------------------------------------------
 142  */
 143
 144 static gboolean pan_queue_step(PanWindow *pw);
 145
 146
 147 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 148 {
 149         auto pw = static_cast<PanWindow *>(data);
 150
 151         if (pw->queue_pi)
 152                 {
 153                 PanItem *pi;
 154                 gint rc;
 155
 156                 pi = pw->queue_pi;
 157                 pw->queue_pi = nullptr;
 158
 159                 pi->queued = FALSE;
 160
 161                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 162                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 163
 164                 rc = pi->refcount;
 165                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 166                 pi->refcount = rc;
 167                 }
 168
 169         thumb_loader_free(pw->tl);
 170         pw->tl = nullptr;
 171
 172         while (pan_queue_step(pw));
 173 }
 174
 175 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 176 {
 177         auto pw = static_cast<PanWindow *>(data);
 178         GdkPixbuf *rotated = nullptr;
 179
 180         if (pw->queue_pi)
 181                 {
 182                 PanItem *pi;
 183                 gint rc;
 184
 185                 pi = pw->queue_pi;
 186                 pw->queue_pi = nullptr;
 187
 188                 pi->queued = FALSE;
 189
 190                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 191                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 192
 193                 if (pi->pixbuf && options->image.exif_rotate_enable)
 194                         {
 195                         if (!il->fd->exif_orientation)
 196                                 {
 197                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 198                                         {
 199                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 200                                         }
 201                                 else
 202                                         {
 203                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 204                                         }
 205                                 }
 206
 207                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 208                                 {
 209                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 210                                 pi->pixbuf = rotated;
 211                                 }
 212                         }
 213
 214                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 215
 216                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 217                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 218                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 219                         {
 220                         GdkPixbuf *tmp;
 221
 222                         tmp = pi->pixbuf;
 223                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 224                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 225                         g_object_unref(tmp);
 226                         }
 227
 228                 rc = pi->refcount;
 229                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 230                 pi->refcount = rc;
 231                 }
 232
 233         image_loader_free(pw->il);
 234         pw->il = nullptr;
 235
 236         while (pan_queue_step(pw));
 237 }
 238
 239 static gboolean pan_queue_step(PanWindow *pw)
 240 {
 241         PanItem *pi;
 242
 243         if (!pw->queue) return FALSE;
 244
 245         pi = static_cast<PanItem *>(pw->queue->data);
 246         pw->queue = g_list_remove(pw->queue, pi);
 247         pw->queue_pi = pi;
 248
 249         if (!pw->queue_pi->fd)
 250                 {
 251                 pw->queue_pi->queued = FALSE;
 252                 pw->queue_pi = nullptr;
 253                 return TRUE;
 254                 }
 255
 256         image_loader_free(pw->il);
 257         pw->il = nullptr;
 258         thumb_loader_free(pw->tl);
 259         pw->tl = nullptr;
 260
 261         if (pi->type == PAN_ITEM_IMAGE)
 262                 {
 263                 pw->il = image_loader_new(pi->fd);
 264
 265                 if (pw->size != PAN_IMAGE_SIZE_100)
 266                         {
 267                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 268                         }
 269
 270                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 271                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 272
 273                 if (image_loader_start(pw->il)) return FALSE;
 274
 275                 image_loader_free(pw->il);
 276                 pw->il = nullptr;
 277                 }
 278         else if (pi->type == PAN_ITEM_THUMB)
 279                 {
 280                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 281
 282                 if (!pw->tl->standard_loader)
 283                         {
 284                         /* The classic loader will recreate a thumbnail any time we
 285                          * request a different size than what exists. This view will
 286                          * almost never use the user configured sizes so disable cache.
 287                          */
 288                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 289                         }
 290
 291                 thumb_loader_set_callbacks(pw->tl,
 292                                            pan_queue_thumb_done_cb,
 293                                            pan_queue_thumb_done_cb,
 294                                            nullptr, pw);
 295
 296                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 297
 298                 thumb_loader_free(pw->tl);
 299                 pw->tl = nullptr;
 300                 }
 301
 302         pw->queue_pi->queued = FALSE;
 303         pw->queue_pi = nullptr;
 304         return TRUE;
 305 }
 306
 307 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 308 {
 309         if (!pi || pi->queued || pi->pixbuf) return;
 310         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 311             (!pi->key || strcmp(pi->key, "info") != 0) )
 312                 {
 313                 return;
 314                 }
 315
 316         pi->queued = TRUE;
 317         pw->queue = g_list_prepend(pw->queue, pi);
 318
 319         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 320 }
 321
 322
 323 /*
 324  *-----------------------------------------------------------------------------
 325  * tile request/dispose handlers
 326  *-----------------------------------------------------------------------------
 327  */
 328
 329 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 330                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 331 {
 332         auto pw = static_cast<PanWindow *>(data);
 333         GList *list;
 334         GList *work;
 335         gint i;
 336
 337         pixbuf_set_rect_fill(pixbuf,
 338                              0, 0, width, height,
 339                              PAN_BACKGROUND_COLOR, 255);
 340
 341         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 342                 {
 343                 gint rx, ry, rw, rh;
 344
 345                 if (util_clip_region(x, y, width, height,
 346                                      i, y, 1, height,
 347                                      &rx, &ry, &rw, &rh))
 348                         {
 349                         pixbuf_draw_rect_fill(pixbuf,
 350                                               rx - x, ry - y, rw, rh,
 351                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 352                         }
 353                 }
 354         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 355                 {
 356                 gint rx, ry, rw, rh;
 357
 358                 if (util_clip_region(x, y, width, height,
 359                                      x, i, width, 1,
 360                                      &rx, &ry, &rw, &rh))
 361                         {
 362                         pixbuf_draw_rect_fill(pixbuf,
 363                                               rx - x, ry - y, rw, rh,
 364                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 365                         }
 366                 }
 367
 368         list = pan_layout_intersect(pw, x, y, width, height);
 369         work = list;
 370         while (work)
 371                 {
 372                 PanItem *pi;
 373                 gboolean queue = FALSE;
 374
 375                 pi = static_cast<PanItem *>(work->data);
 376                 work = work->next;
 377
 378                 pi->refcount++;
 379
 380                 switch (pi->type)
 381                         {
 382                         case PAN_ITEM_BOX:
 383                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 384                                 break;
 385                         case PAN_ITEM_TRIANGLE:
 386                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 387                                 break;
 388                         case PAN_ITEM_TEXT:
 389                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 390                                 break;
 391                         case PAN_ITEM_THUMB:
 392                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 393                                 break;
 394                         case PAN_ITEM_IMAGE:
 395                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 396                                 break;
 397                         case PAN_ITEM_NONE:
 398                         default:
 399                                 break;
 400                         }
 401
 402                 if (queue) pan_queue_add(pw, pi);
 403                 }
 404
 405         g_list_free(list);
 406
 407         return TRUE;
 408 }
 409
 410 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 411                                        gint width, gint height, GdkPixbuf *, gpointer data)
 412 {
 413         auto pw = static_cast<PanWindow *>(data);
 414         GList *list;
 415         GList *work;
 416
 417         list = pan_layout_intersect(pw, x, y, width, height);
 418         work = list;
 419         while (work)
 420                 {
 421                 PanItem *pi;
 422
 423                 pi = static_cast<PanItem *>(work->data);
 424                 work = work->next;
 425
 426                 if (pi->refcount > 0)
 427                         {
 428                         pi->refcount--;
 429
 430                         if (pi->refcount == 0)
 431                                 {
 432                                 if (pi->queued)
 433                                         {
 434                                         pw->queue = g_list_remove(pw->queue, pi);
 435                                         pi->queued = FALSE;
 436                                         }
 437                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 438                                 if (pi->pixbuf)
 439                                         {
 440                                         g_object_unref(pi->pixbuf);
 441                                         pi->pixbuf = nullptr;
 442                                         }
 443                                 }
 444                         }
 445                 }
 446
 447         g_list_free(list);
 448 }
 449
 450
 451 /*
 452  *-----------------------------------------------------------------------------
 453  * misc
 454  *-----------------------------------------------------------------------------
 455  */
 456
 457 static void pan_window_message(PanWindow *pw, const gchar *text)
 458 {
 459         GList *work;
 460         gint count = 0;
 461         gint64 size = 0;
 462         gchar *ss;
 463         gchar *buf;
 464
 465         if (text)
 466                 {
 467                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 468                 return;
 469                 }
 470
 471         work = pw->list_static;
 472         if (pw->layout == PAN_LAYOUT_CALENDAR)
 473                 {
 474                 while (work)
 475                         {
 476                         PanItem *pi;
 477
 478                         pi = static_cast<PanItem *>(work->data);
 479                         work = work->next;
 480
 481                         if (pi->fd &&
 482                             pi->type == PAN_ITEM_BOX &&
 483                             pi->key && strcmp(pi->key, "dot") == 0)
 484                                 {
 485                                 size += pi->fd->size;
 486                                 count++;
 487                                 }
 488                         }
 489                 }
 490         else
 491                 {
 492                 while (work)
 493                         {
 494                         PanItem *pi;
 495
 496                         pi = static_cast<PanItem *>(work->data);
 497                         work = work->next;
 498
 499                         if (pi->fd &&
 500                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 501                                 {
 502                                 size += pi->fd->size;
 503                                 count++;
 504                                 }
 505                         }
 506                 }
 507
 508         ss = text_from_size_abrev(size);
 509         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 510         g_free(ss);
 511         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 512         g_free(buf);
 513 }
 514
 515 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 516 {
 517         gchar *message;
 518
 519         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 520         warning_dialog(_("Folder not supported"), message,
 521                       GQ_ICON_DIALOG_INFO, parent);
 522         g_free(message);
 523 }
 524
 525 static void pan_window_zoom_limit(PanWindow *pw)
 526 {
 527         gdouble min;
 528
 529         switch (pw->size)
 530                 {
 531                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 532                 case PAN_IMAGE_SIZE_THUMB_NONE:
 533                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 534                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 535 #if 0
 536                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 537                         min = -16.0;
 538                         break;
 539 #endif
 540                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 541                         min = -6.0;
 542                         break;
 543                 case PAN_IMAGE_SIZE_10:
 544                 case PAN_IMAGE_SIZE_25:
 545                         min = -4.0;
 546                         break;
 547                 case PAN_IMAGE_SIZE_33:
 548                 case PAN_IMAGE_SIZE_50:
 549                 case PAN_IMAGE_SIZE_100:
 550                 default:
 551                         min = -2.0;
 552                         break;
 553                 }
 554
 555         image_zoom_set_limits(pw->imd, min, 32.0);
 556 }
 557
 558
 559 /*
 560  *-----------------------------------------------------------------------------
 561  * cache
 562  *-----------------------------------------------------------------------------
 563  */
 564
 565 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 566 {
 567         auto pca = static_cast<PanCacheData *>(a);
 568         auto pcb = static_cast<PanCacheData *>(b);
 569         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 570 }
 571 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 572 {
 573         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 574 }
 575
 576
 577 static void pan_cache_free(PanWindow *pw)
 578 {
 579         g_list_free_full(pw->cache_list, [](gpointer data)
 580                 {
 581                 auto pc = static_cast<PanCacheData *>(data);
 582                 cache_sim_data_free(pc->cd);
 583                 file_data_unref(pc->fd);
 584                 g_free(pc);
 585                 });
 586         pw->cache_list = nullptr;
 587
 588         filelist_free(pw->cache_todo);
 589         pw->cache_todo = nullptr;
 590
 591         pw->cache_count = 0;
 592         pw->cache_total = 0;
 593         pw->cache_tick = 0;
 594
 595         cache_loader_free(pw->cache_cl);
 596         pw->cache_cl = nullptr;
 597 }
 598
 599 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 600 {
 601         GList *list;
 602
 603         pan_cache_free(pw);
 604
 605         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 606         pw->cache_todo = g_list_reverse(list);
 607
 608         pw->cache_total = g_list_length(pw->cache_todo);
 609 }
 610
 611 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 612 {
 613         auto pw = static_cast<PanWindow *>(data);
 614
 615         if (pw->cache_list)
 616                 {
 617                 PanCacheData *pc;
 618                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 619
 620                 if (!pc->cd)
 621                         {
 622                         pc->cd = cl->cd;
 623                         cl->cd = nullptr;
 624                         }
 625                 }
 626
 627         cache_loader_free(cl);
 628         pw->cache_cl = nullptr;
 629
 630         pan_layout_update_idle(pw);
 631 }
 632
 633 static gboolean pan_cache_step(PanWindow *pw)
 634 {
 635         FileData *fd;
 636         PanCacheData *pc;
 637         CacheDataType load_mask;
 638
 639         if (!pw->cache_todo) return TRUE;
 640
 641         fd = static_cast<FileData *>(pw->cache_todo->data);
 642         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 643
 644         pc = g_new0(PanCacheData, 1);
 645         pc->fd = file_data_ref(fd);
 646
 647         pc->cd = nullptr;
 648
 649         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 650
 651         cache_loader_free(pw->cache_cl);
 652
 653         load_mask = CACHE_LOADER_NONE;
 654         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 655         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 656         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 657                                         pan_cache_step_done_cb, pw);
 658         return (pw->cache_cl == nullptr);
 659 }
 660
 661 /* This sync date function is optimized for lists with a common sort */
 662 void pan_cache_sync_date(PanWindow *pw, GList *list)
 663 {
 664         GList *haystack;
 665         GList *work;
 666
 667         haystack = g_list_copy(pw->cache_list);
 668
 669         work = list;
 670         while (work)
 671                 {
 672                 FileData *fd;
 673                 GList *needle;
 674
 675                 fd = static_cast<FileData *>(work->data);
 676                 work = work->next;
 677
 678                 needle = haystack;
 679                 while (needle)
 680                         {
 681                         PanCacheData *pc;
 682
 683                         pc = static_cast<PanCacheData *>(needle->data);
 684                         if (pc->fd == fd)
 685                                 {
 686                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 687                                         {
 688                                         fd->date = pc->cd->date;
 689                                         }
 690
 691                                 haystack = g_list_delete_link(haystack, needle);
 692                                 needle = nullptr;
 693                                 }
 694                         else
 695                                 {
 696                                 needle = needle->next;
 697                                 }
 698                         }
 699                 }
 700
 701         g_list_free(haystack);
 702 }
 703
 704 /*
 705  *-----------------------------------------------------------------------------
 706  * item grid
 707  *-----------------------------------------------------------------------------
 708  */
 709
 710 static void pan_grid_clear(PanWindow *pw)
 711 {
 712         g_list_free_full(pw->list_grid, [](gpointer data)
 713                 {
 714                 auto pg = static_cast<PanGrid *>(data);
 715                 g_list_free(pg->list);
 716                 g_free(pg);
 717                 });
 718         pw->list_grid = nullptr;
 719
 720         pw->list = g_list_concat(pw->list, pw->list_static);
 721         pw->list_static = nullptr;
 722 }
 723
 724 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 725 {
 726         GList *work;
 727         gint col, row;
 728         gint cw, ch;
 729         gint l;
 730         gint i, j;
 731
 732         pan_grid_clear(pw);
 733
 734         l = g_list_length(pw->list);
 735
 736         if (l < 1) return;
 737
 738         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 739         col = CLAMP(col, 1, l / grid_size + 1);
 740         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 741         if (row < 1) row = 1;
 742
 743         /* limit minimum size of grid so that a tile will always fit regardless of position */
 744         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 745         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 746
 747         row = row * 2 - 1;
 748         col = col * 2 - 1;
 749
 750         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 751
 752         for (j = 0; j < row; j++)
 753             for (i = 0; i < col; i++)
 754                 {
 755                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 756                         {
 757                         PanGrid *pg;
 758
 759                         pg = g_new0(PanGrid, 1);
 760                         pg->x = i * cw / 2;
 761                         pg->y = j * ch / 2;
 762                         pg->w = cw;
 763                         pg->h = ch;
 764
 765                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 766
 767                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 768                         }
 769                 }
 770
 771         work = pw->list;
 772         while (work)
 773                 {
 774                 PanItem *pi;
 775                 GList *grid;
 776
 777                 pi = static_cast<PanItem *>(work->data);
 778                 work = work->next;
 779
 780                 grid = pw->list_grid;
 781                 while (grid)
 782                         {
 783                         PanGrid *pg;
 784                         gint rx, ry, rw, rh;
 785
 786                         pg = static_cast<PanGrid *>(grid->data);
 787                         grid = grid->next;
 788
 789                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 790                                              pg->x, pg->y, pg->w, pg->h,
 791                                              &rx, &ry, &rw, &rh))
 792                                 {
 793                                 pg->list = g_list_prepend(pg->list, pi);
 794                                 }
 795                         }
 796                 }
 797
 798         work = pw->list_grid;
 799         while (work)
 800                 {
 801                 PanGrid *pg;
 802
 803                 pg = static_cast<PanGrid *>(work->data);
 804                 work = work->next;
 805
 806                 pg->list = g_list_reverse(pg->list);
 807                 }
 808
 809         pw->list_static = pw->list;
 810         pw->list = nullptr;
 811 }
 812
 813
 814 /*
 815  *-----------------------------------------------------------------------------
 816  * layout state reset
 817  *-----------------------------------------------------------------------------
 818  */
 819
 820 static void pan_window_items_free(PanWindow *pw)
 821 {
 822         pan_grid_clear(pw);
 823
 824         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 825         pw->list = nullptr;
 826
 827         g_list_free(pw->queue);
 828         pw->queue = nullptr;
 829         pw->queue_pi = nullptr;
 830
 831         image_loader_free(pw->il);
 832         pw->il = nullptr;
 833
 834         thumb_loader_free(pw->tl);
 835         pw->tl = nullptr;
 836
 837         pw->click_pi = nullptr;
 838         pw->search_pi = nullptr;
 839 }
 840
 841
 842 /*
 843  *-----------------------------------------------------------------------------
 844  * layout generation, queries, sizing
 845  *-----------------------------------------------------------------------------
 846  */
 847
 848 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 849                                gint *width, gint *height,
 850                                gint *scroll_x, gint *scroll_y)
 851 {
 852         pan_window_items_free(pw);
 853
 854         switch (pw->size)
 855                 {
 856                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 857                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 858                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 859                         break;
 860                 case PAN_IMAGE_SIZE_THUMB_NONE:
 861                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 862                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 863                         break;
 864                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 865                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 866                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 867                         break;
 868                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 869                 default:
 870                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 871                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 872                         break;
 873                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 874                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 875                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 876                         break;
 877                 case PAN_IMAGE_SIZE_10:
 878                         pw->image_size = 10;
 879                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 880                         break;
 881                 case PAN_IMAGE_SIZE_25:
 882                         pw->image_size = 25;
 883                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 884                         break;
 885                 case PAN_IMAGE_SIZE_33:
 886                         pw->image_size = 33;
 887                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 888                         break;
 889                 case PAN_IMAGE_SIZE_50:
 890                         pw->image_size = 50;
 891                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 892                         break;
 893                 case PAN_IMAGE_SIZE_100:
 894                         pw->image_size = 100;
 895                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 896                         break;
 897                 }
 898
 899         *width = 0;
 900         *height = 0;
 901         *scroll_x = 0;
 902         *scroll_y = 0;
 903
 904         switch (pw->layout)
 905                 {
 906                 case PAN_LAYOUT_GRID:
 907                 default:
 908                         pan_grid_compute(pw, dir_fd, width, height);
 909                         break;
 910                 case PAN_LAYOUT_FOLDERS_LINEAR:
 911                         pan_folder_tree_compute(pw, dir_fd, width, height);
 912                         break;
 913                 case PAN_LAYOUT_FOLDERS_FLOWER:
 914                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 915                         break;
 916                 case PAN_LAYOUT_CALENDAR:
 917                         pan_calendar_compute(pw, dir_fd, width, height);
 918                         break;
 919                 case PAN_LAYOUT_TIMELINE:
 920                         pan_timeline_compute(pw, dir_fd, width, height);
 921                         break;
 922                 }
 923
 924         pan_cache_free(pw);
 925
 926         DEBUG_1("computed %d objects", g_list_length(pw->list));
 927 }
 928
 929 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 930                                      gint x, gint y, gint width, gint height)
 931 {
 932         GList *work;
 933
 934         work = item_list;
 935         while (work)
 936                 {
 937                 PanItem *pi;
 938                 gint rx, ry, rw, rh;
 939
 940                 pi = static_cast<PanItem *>(work->data);
 941                 work = work->next;
 942
 943                 if (util_clip_region(x, y, width, height,
 944                                      pi->x, pi->y, pi->width, pi->height,
 945                                      &rx, &ry, &rw, &rh))
 946                         {
 947                         list = g_list_prepend(list, pi);
 948                         }
 949                 }
 950
 951         return list;
 952 }
 953
 954 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 955 {
 956         GList *list = nullptr;
 957         GList *grid;
 958         PanGrid *pg = nullptr;
 959
 960         grid = pw->list_grid;
 961         while (grid && !pg)
 962                 {
 963                 pg = static_cast<PanGrid *>(grid->data);
 964                 grid = grid->next;
 965
 966                 if (x < pg->x || x + width > pg->x + pg->w ||
 967                     y < pg->y || y + height > pg->y + pg->h)
 968                         {
 969                         pg = nullptr;
 970                         }
 971                 }
 972
 973         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
 974
 975         if (pg)
 976                 {
 977                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
 978                 }
 979         else
 980                 {
 981                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
 982                 }
 983
 984         return list;
 985 }
 986
 987 void pan_layout_resize(PanWindow *pw)
 988 {
 989         gint width = 0;
 990         gint height = 0;
 991         GList *work;
 992         PixbufRenderer *pr;
 993
 994         work = pw->list;
 995         while (work)
 996                 {
 997                 PanItem *pi;
 998
 999                 pi = static_cast<PanItem *>(work->data);
1000                 work = work->next;
1001
1002                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1003                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1004                 }
1005         work = pw->list_static;
1006         while (work)
1007                 {
1008                 PanItem *pi;
1009
1010                 pi = static_cast<PanItem *>(work->data);
1011                 work = work->next;
1012
1013                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1014                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1015                 }
1016
1017         width += PAN_BOX_BORDER * 2;
1018         height += PAN_BOX_BORDER * 2;
1019
1020         pr = PIXBUF_RENDERER(pw->imd->pr);
1021         if (width < pr->window_width) width = pr->window_width;
1022         if (height < pr->window_width) height = pr->window_height;
1023
1024         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1025 }
1026
1027 static gint pan_layout_update_idle_cb(gpointer data)
1028 {
1029         auto pw = static_cast<PanWindow *>(data);
1030         gint width;
1031         gint height;
1032         gint scroll_x;
1033         gint scroll_y;
1034
1035         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1036             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1037                 {
1038                 if (!pw->cache_list && !pw->cache_todo)
1039                         {
1040                         pan_cache_fill(pw, pw->dir_fd);
1041                         if (pw->cache_todo)
1042                                 {
1043                                 pan_window_message(pw, _("Reading image data..."));
1044                                 return G_SOURCE_CONTINUE;
1045                                 }
1046                         }
1047                 if (pw->cache_todo)
1048                         {
1049                         pw->cache_count++;
1050                         pw->cache_tick++;
1051                         if (pw->cache_count == pw->cache_total)
1052                                 {
1053                                 pan_window_message(pw, _("Sorting..."));
1054                                 }
1055                         else if (pw->cache_tick > 9)
1056                                 {
1057                                 gchar *buf;
1058
1059                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1060                                                       pw->cache_count, pw->cache_total);
1061                                 pan_window_message(pw, buf);
1062                                 g_free(buf);
1063
1064                                 pw->cache_tick = 0;
1065                                 }
1066
1067                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1068
1069                         pw->idle_id = 0;
1070                         return G_SOURCE_REMOVE;
1071                         }
1072                 }
1073
1074         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1075
1076         pan_window_zoom_limit(pw);
1077
1078         if (width > 0 && height > 0)
1079                 {
1080                 gdouble align;
1081
1082                 DEBUG_1("Canvas size is %d x %d", width, height);
1083
1084                 pan_grid_build(pw, width, height, 1000);
1085
1086                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1087                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1088                                           pan_window_request_tile_cb,
1089                                           pan_window_dispose_tile_cb, pw, 1.0);
1090
1091                 if (scroll_x == 0 && scroll_y == 0)
1092                         {
1093                         align = 0.0;
1094                         }
1095                 else
1096                         {
1097                         align = 0.5;
1098                         }
1099                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1100                 }
1101
1102         pan_window_message(pw, nullptr);
1103
1104         pw->idle_id = 0;
1105         return G_SOURCE_REMOVE;
1106 }
1107
1108 static void pan_layout_update_idle(PanWindow *pw)
1109 {
1110         if (!pw->idle_id)
1111                 {
1112                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1113                 }
1114 }
1115
1116 void pan_layout_update(PanWindow *pw)
1117 {
1118         pan_window_message(pw, _("Sorting images..."));
1119         pan_layout_update_idle(pw);
1120 }
1121
1122 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1123 {
1124         if (!dir_fd) return;
1125
1126         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1127                 {
1128                 pan_warning_folder(dir_fd->path, pw->window);
1129                 return;
1130                 }
1131
1132         file_data_unref(pw->dir_fd);
1133         pw->dir_fd = file_data_ref(dir_fd);
1134
1135         pan_layout_update(pw);
1136 }
1137
1138
1139 /*
1140  *-----------------------------------------------------------------------------
1141  * keyboard handlers
1142  *-----------------------------------------------------------------------------
1143  */
1144
1145 FileData *pan_menu_click_fd(PanWindow *pw)
1146 {
1147         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1148         return nullptr;
1149 }
1150
1151 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1152 {
1153         auto pw = static_cast<PanWindow *>(data);
1154         PixbufRenderer *pr;
1155         FileData *fd;
1156         gboolean stop_signal = FALSE;
1157         GtkWidget *menu;
1158         GtkWidget *imd_widget;
1159         gint x = 0;
1160         gint y = 0;
1161         gint focused;
1162         gint on_entry;
1163
1164         pr = PIXBUF_RENDERER(pw->imd->pr);
1165         fd = pan_menu_click_fd(pw);
1166
1167         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1168         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1169         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1170                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1171                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1172
1173         if (focused)
1174                 {
1175                 stop_signal = TRUE;
1176                 switch (event->keyval)
1177                         {
1178                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1179                                 x -= 1;
1180                                 break;
1181                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1182                                 x += 1;
1183                                 break;
1184                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1185                                 y -= 1;
1186                                 break;
1187                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1188                                 y += 1;
1189                                 break;
1190                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1191                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1192                                 break;
1193                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1194                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1195                                 break;
1196                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1197                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1198                                 break;
1199                         case GDK_KEY_End: case GDK_KEY_KP_End:
1200                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1201                                 break;
1202                         default:
1203                                 stop_signal = FALSE;
1204                                 break;
1205                         }
1206
1207                 if (x != 0 || y!= 0)
1208                         {
1209                         if (event->state & GDK_SHIFT_MASK)
1210                                 {
1211                                 x *= 3;
1212                                 y *= 3;
1213                                 }
1214                         keyboard_scroll_calc(&x, &y, event);
1215                         pixbuf_renderer_scroll(pr, x, y);
1216                         }
1217                 }
1218
1219         if (stop_signal) return stop_signal;
1220
1221         if (event->state & GDK_CONTROL_MASK)
1222                 {
1223                 stop_signal = TRUE;
1224                 switch (event->keyval)
1225                         {
1226                         case '1':
1227                         case '2':
1228                         case '3':
1229                         case '4':
1230                         case '5':
1231                         case '6':
1232                         case '7':
1233                         case '8':
1234                         case '9':
1235                         case '0':
1236                                 break;
1237                         case 'C': case 'c':
1238                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1239                                 break;
1240                         case 'M': case 'm':
1241                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1242                                 break;
1243                         case 'R': case 'r':
1244                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1245                                 break;
1246                         case 'D': case 'd':
1247                                 if (fd)
1248                                         {
1249                                         options->file_ops.safe_delete_enable = TRUE;
1250                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1251                                         }
1252                                 break;
1253                         case 'F': case 'f':
1254                                 pan_search_toggle_visible(pw, TRUE);
1255                                 break;
1256                         case 'G': case 'g':
1257                                 pan_search_activate(pw);
1258                                 break;
1259                         case 'W': case 'w':
1260                                 pan_window_close(pw);
1261                                 break;
1262                         default:
1263                                 stop_signal = FALSE;
1264                                 break;
1265                         }
1266                 }
1267         else
1268                 {
1269                 stop_signal = TRUE;
1270                 switch (event->keyval)
1271                         {
1272                         case GDK_KEY_Escape:
1273                                 if (pw->fs)
1274                                         {
1275                                         pan_fullscreen_toggle(pw, TRUE);
1276                                         }
1277                                 else
1278                                         {
1279                                         pan_search_toggle_visible(pw, FALSE);
1280                                         }
1281                                 break;
1282                         default:
1283                                 stop_signal = FALSE;
1284                                 break;
1285                         }
1286
1287                 if (stop_signal) return stop_signal;
1288
1289                 // Don't steal characters from entry boxes.
1290                 if (!on_entry)
1291                         {
1292                         stop_signal = TRUE;
1293                         switch (event->keyval)
1294                                 {
1295                                 case '+': case '=': case GDK_KEY_KP_Add:
1296                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1297                                         break;
1298                                 case '-': case GDK_KEY_KP_Subtract:
1299                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1300                                         break;
1301                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1302                                         pixbuf_renderer_zoom_set(pr, 1.0);
1303                                         break;
1304                                 case '2':
1305                                         pixbuf_renderer_zoom_set(pr, 2.0);
1306                                         break;
1307                                 case '3':
1308                                         pixbuf_renderer_zoom_set(pr, 3.0);
1309                                         break;
1310                                 case '4':
1311                                         pixbuf_renderer_zoom_set(pr, 4.0);
1312                                         break;
1313                                 case '7':
1314                                         pixbuf_renderer_zoom_set(pr, -4.0);
1315                                         break;
1316                                 case '8':
1317                                         pixbuf_renderer_zoom_set(pr, -3.0);
1318                                         break;
1319                                 case '9':
1320                                         pixbuf_renderer_zoom_set(pr, -2.0);
1321                                         break;
1322                                 case 'F': case 'f':
1323                                 case 'V': case 'v':
1324                                 case GDK_KEY_F11:
1325                                         pan_fullscreen_toggle(pw, FALSE);
1326                                         break;
1327                                 case 'I': case 'i':
1328                                         break;
1329                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1330                                         break;
1331                                 case GDK_KEY_Menu:
1332                                 case GDK_KEY_F10:
1333                                         menu = pan_popup_menu(pw);
1334                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1335
1336                                         break;
1337                                 case '/':
1338                                         pan_search_toggle_visible(pw, TRUE);
1339                                         break;
1340                                         stop_signal = FALSE;
1341                                         break;
1342                                 }
1343                         }
1344                 }
1345         if (!stop_signal && is_help_key(event))
1346                 {
1347                 help_window_show("GuideOtherWindowsPanView.html");
1348                 stop_signal = TRUE;
1349                 }
1350
1351         return stop_signal;
1352 }
1353
1354 /*
1355  *-----------------------------------------------------------------------------
1356  * info popup
1357  *-----------------------------------------------------------------------------
1358  */
1359
1360 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1361 {
1362         GList *exif_list;
1363         gchar *text;
1364         gchar *title;
1365         gchar *key;
1366
1367         if (!fd) return;
1368
1369         exif_list = bar_pane_exif_list();
1370         while (exif_list)
1371                 {
1372                 title = static_cast<gchar *>(exif_list->data);
1373                 exif_list = exif_list->next;
1374                 key = static_cast<gchar *>(exif_list->data);
1375                 exif_list = exif_list->next;
1376
1377                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1378                 if (text && text[0] != '\0')
1379                         {
1380                         pan_text_alignment_add(ta, title, text);
1381                         }
1382
1383                 g_free(text);
1384                 }
1385
1386         g_list_free_full(exif_list, g_free);
1387 }
1388
1389
1390 void pan_info_update(PanWindow *pw, PanItem *pi)
1391 {
1392         PanTextAlignment *ta;
1393         PanItem *pbox;
1394         PanItem *p;
1395         gchar *buf;
1396         gint x1, y1, x2, y2, x3, y3;
1397         gint x, y, w, h;
1398
1399         if (pw->click_pi == pi) return;
1400         if (pi && !pi->fd) pi = nullptr;
1401
1402         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1403         pw->click_pi = pi;
1404
1405         if (!pi) return;
1406
1407         DEBUG_1("info set to %s", pi->fd->path);
1408
1409         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1410                                 PAN_POPUP_BORDER,
1411                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1412                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1413         pan_item_set_key(pbox, "info");
1414
1415         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1416                 {
1417                 w = gdk_pixbuf_get_width(pi->pixbuf);
1418                 h = gdk_pixbuf_get_height(pi->pixbuf);
1419
1420                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1421                 y1 = pi->y + (pi->height - h) / 2 + 8;
1422                 }
1423         else
1424                 {
1425                 x1 = pi->x + pi->width - 8;
1426                 y1 = pi->y + 8;
1427                 }
1428
1429         x2 = pbox->x + 1;
1430         y2 = pbox->y + 36;
1431         x3 = pbox->x + 1;
1432         y3 = pbox->y + 12;
1433         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1434                            &x, &y, &w, &h);
1435
1436         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1437                              x1, y1, x2, y2, x3, y3,
1438                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1439         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1440         pan_item_set_key(p, "info");
1441         pan_item_added(pw, p);
1442
1443         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1444
1445         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1446         buf = remove_level_from_path(pi->fd->path);
1447         pan_text_alignment_add(ta, _("Location:"), buf);
1448         g_free(buf);
1449         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1450         buf = text_from_size(pi->fd->size);
1451         pan_text_alignment_add(ta, _("Size:"), buf);
1452         g_free(buf);
1453
1454         if (pw->info_includes_exif)
1455                 {
1456                 pan_info_add_exif(ta, pi->fd);
1457                 }
1458
1459         pan_text_alignment_calc(ta, pbox);
1460         pan_text_alignment_free(ta);
1461
1462         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1463         pan_item_added(pw, pbox);
1464
1465         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1466                 {
1467                 gint iw, ih;
1468                 if (image_load_dimensions(pi->fd, &iw, &ih))
1469                         {
1470                         gint scale = 25;
1471
1472                         switch (pw->info_image_size)
1473                                 {
1474                                 case PAN_IMAGE_SIZE_10:
1475                                         scale = 10;
1476                                         break;
1477                                 case PAN_IMAGE_SIZE_25:
1478                                         scale = 25;
1479                                         break;
1480                                 case PAN_IMAGE_SIZE_33:
1481                                         scale = 33;
1482                                         break;
1483                                 case PAN_IMAGE_SIZE_50:
1484                                         scale = 50;
1485                                         break;
1486                                 case PAN_IMAGE_SIZE_100:
1487                                         scale = 100;
1488                                         break;
1489                                 }
1490
1491                         iw = MAX(1, iw * scale / 100);
1492                         ih = MAX(1, ih * scale / 100);
1493
1494                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1495                                                 PAN_POPUP_BORDER,
1496                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1497                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1498                         pan_item_set_key(pbox, "info");
1499
1500                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1501                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1502                         pan_item_set_key(p, "info");
1503                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1504
1505                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1506                         pan_item_added(pw, pbox);
1507                         }
1508                 }
1509
1510         pan_layout_resize(pw);
1511 }
1512
1513
1514 /*
1515  *-----------------------------------------------------------------------------
1516  * main window
1517  *-----------------------------------------------------------------------------
1518  */
1519
1520 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1521 {
1522         auto pw = static_cast<PanWindow *>(data);
1523         PanItem *pi = nullptr;
1524         GtkWidget *menu;
1525         gint rx, ry;
1526
1527         rx = ry = 0;
1528         if (pr->scale)
1529                 {
1530                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1531                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1532                 }
1533
1534         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1535         if (pi && event->button == MOUSE_BUTTON_LEFT)
1536                 {
1537                 pan_info_update(pw, nullptr);
1538                 return;
1539                 }
1540
1541         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1542                                     rx, ry, nullptr);
1543
1544         switch (event->button)
1545                 {
1546                 case MOUSE_BUTTON_LEFT:
1547                         pan_info_update(pw, pi);
1548
1549                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1550                                 {
1551                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1552                                 pan_calendar_update(pw, pi);
1553                                 }
1554                         break;
1555                 case MOUSE_BUTTON_MIDDLE:
1556                         break;
1557                 case MOUSE_BUTTON_RIGHT:
1558                         pan_info_update(pw, pi);
1559                         menu = pan_popup_menu(pw);
1560                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1561                         break;
1562                 default:
1563                         break;
1564                 }
1565 }
1566
1567 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1568 {
1569         gint w, h;
1570
1571         w = pr->vis_width;
1572         h = pr->vis_height;
1573
1574         if (!(event->state & GDK_SHIFT_MASK))
1575                 {
1576                 w /= 3;
1577                 h /= 3;
1578                 }
1579
1580         if (event->state & GDK_CONTROL_MASK)
1581                 {
1582                 switch (event->direction)
1583                         {
1584                         case GDK_SCROLL_UP:
1585                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1586                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1587                                 break;
1588                         case GDK_SCROLL_DOWN:
1589                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1590                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1591                                 break;
1592                         default:
1593                                 break;
1594                         }
1595                 }
1596         else
1597                 {
1598                 switch (event->direction)
1599                         {
1600                         case GDK_SCROLL_UP:
1601                                 pixbuf_renderer_scroll(pr, 0, -h);
1602                                 break;
1603                         case GDK_SCROLL_DOWN:
1604                                 pixbuf_renderer_scroll(pr, 0, h);
1605                                 break;
1606                         case GDK_SCROLL_LEFT:
1607                                 pixbuf_renderer_scroll(pr, -w, 0);
1608                                 break;
1609                         case GDK_SCROLL_RIGHT:
1610                                 pixbuf_renderer_scroll(pr, w, 0);
1611                                 break;
1612                         default:
1613                                 break;
1614                         }
1615                 }
1616 }
1617
1618 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1619 {
1620         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1621                          G_CALLBACK(button_cb), pw);
1622         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1623                          G_CALLBACK(scroll_cb), pw);
1624 }
1625
1626 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1627 {
1628         auto pw = static_cast<PanWindow *>(data);
1629
1630         pw->fs = nullptr;
1631         pw->imd = pw->imd_normal;
1632 }
1633
1634 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1635 {
1636         if (force_off && !pw->fs) return;
1637
1638         if (pw->fs)
1639                 {
1640                 fullscreen_stop(pw->fs);
1641                 }
1642         else
1643                 {
1644                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1645                 pan_image_set_buttons(pw, pw->fs->imd);
1646                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1647                                  G_CALLBACK(pan_window_key_press_cb), pw);
1648
1649                 pw->imd = pw->fs->imd;
1650                 }
1651 }
1652
1653 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1654 {
1655         auto pw = static_cast<PanWindow *>(data);
1656         gchar *text;
1657
1658         text = image_zoom_get_as_text(pw->imd);
1659         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1660         g_free(text);
1661 }
1662
1663 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1664 {
1665         auto pw = static_cast<PanWindow *>(data);
1666         GtkAdjustment *adj;
1667         GdkRectangle rect;
1668         gint width, height;
1669
1670         if (pr->scale == 0.0) return;
1671
1672         pixbuf_renderer_get_visible_rect(pr, &rect);
1673         pixbuf_renderer_get_image_size(pr, &width, &height);
1674
1675         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1676         gtk_adjustment_set_page_size(adj, rect.width);
1677         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1678         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1679         gtk_adjustment_set_lower(adj, 0.0);
1680         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1681         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1682
1683         pref_signal_block_data(pw->scrollbar_h, pw);
1684         pref_signal_unblock_data(pw->scrollbar_h, pw);
1685
1686         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1687         gtk_adjustment_set_page_size(adj, rect.height);
1688         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1689         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1690         gtk_adjustment_set_lower(adj, 0.0);
1691         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1692         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1693
1694         pref_signal_block_data(pw->scrollbar_v, pw);
1695         pref_signal_unblock_data(pw->scrollbar_v, pw);
1696 }
1697
1698 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1699 {
1700         auto pw = static_cast<PanWindow *>(data);
1701         PixbufRenderer *pr;
1702         gint x;
1703
1704         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1705
1706         if (!pr->scale) return;
1707
1708         x = static_cast<gint>(gtk_range_get_value(range));
1709
1710         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1711 }
1712
1713 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1714 {
1715         auto pw = static_cast<PanWindow *>(data);
1716         PixbufRenderer *pr;
1717         gint y;
1718
1719         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1720
1721         if (!pr->scale) return;
1722
1723         y = static_cast<gint>(gtk_range_get_value(range));
1724
1725         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1726 }
1727
1728 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1729 {
1730         auto pw = static_cast<PanWindow *>(data);
1731
1732         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1733         pan_layout_update(pw);
1734 }
1735
1736 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1737 {
1738         auto pw = static_cast<PanWindow *>(data);
1739
1740         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1741         pan_layout_update(pw);
1742 }
1743
1744 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1745 {
1746         auto pw = static_cast<PanWindow *>(data);
1747         gchar *path;
1748
1749         path = remove_trailing_slash(new_text);
1750         parse_out_relatives(path);
1751
1752         if (!isdir(path))
1753                 {
1754                 warning_dialog(_("Folder not found"),
1755                                _("The entered path is not a folder"),
1756                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1757                 }
1758         else
1759                 {
1760                 FileData *dir_fd = file_data_new_dir(path);
1761                 tab_completion_append_to_history(pw->path_entry, path);
1762
1763                 pan_layout_set_fd(pw, dir_fd);
1764                 file_data_unref(dir_fd);
1765                 }
1766
1767         g_free(path);
1768 }
1769
1770 static void pan_window_close(PanWindow *pw)
1771 {
1772         pan_window_list = g_list_remove(pan_window_list, pw);
1773
1774         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1775         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1776         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1777
1778         if (pw->idle_id)
1779                 {
1780                 g_source_remove(pw->idle_id);
1781                 }
1782
1783         pan_fullscreen_toggle(pw, TRUE);
1784         pan_search_ui_destroy(&pw->search_ui);
1785         pan_filter_ui_destroy(&pw->filter_ui);
1786         gq_gtk_widget_destroy(pw->window);
1787
1788         pan_window_items_free(pw);
1789         pan_cache_free(pw);
1790
1791         file_data_unref(pw->dir_fd);
1792
1793         g_free(pw);
1794 }
1795
1796 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1797 {
1798         auto pw = static_cast<PanWindow *>(data);
1799
1800         pan_window_close(pw);
1801         return TRUE;
1802 }
1803
1804 static void pan_window_new_real(FileData *dir_fd)
1805 {
1806         PanWindow *pw;
1807         GtkWidget *vbox;
1808         GtkWidget *box;
1809         GtkWidget *combo;
1810         GtkWidget *hbox;
1811         GtkWidget *frame;
1812         GtkWidget *table;
1813         GdkGeometry geometry;
1814
1815         pw = g_new0(PanWindow, 1);
1816
1817         pw->dir_fd = file_data_ref(dir_fd);
1818         pw->layout = PAN_LAYOUT_TIMELINE;
1819         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1820         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1821         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1822
1823         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1824                 {
1825                 pw->exif_date_enable = FALSE;
1826                 }
1827         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1828                 {
1829                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1830                 }
1831         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1832                 {
1833                 pw->info_includes_exif = TRUE;
1834                 }
1835
1836         pw->ignore_symlinks = TRUE;
1837
1838         pw->idle_id = 0;
1839
1840         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1841         DEBUG_NAME(pw->window);
1842
1843         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1844         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1845         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1846
1847         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1848         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1849
1850         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1851         DEBUG_NAME(vbox);
1852         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1853         gtk_widget_show(vbox);
1854
1855         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1856
1857         pref_spacer(box, 0);
1858         pref_label_new(box, _("Location:"));
1859         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1860                                                 pan_window_entry_activate_cb, pw);
1861         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1862         gtk_widget_show(combo);
1863
1864         combo = gtk_combo_box_text_new();
1865         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1866         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1867         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1868         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1869         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1870
1871         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1872         g_signal_connect(G_OBJECT(combo), "changed",
1873                          G_CALLBACK(pan_window_layout_change_cb), pw);
1874         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1875         gtk_widget_show(combo);
1876
1877         combo = gtk_combo_box_text_new();
1878         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1879         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1880         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1881         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1882         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1883         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1884         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1885         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1886         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1887         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1888
1889         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1890         g_signal_connect(G_OBJECT(combo), "changed",
1891                          G_CALLBACK(pan_window_layout_size_cb), pw);
1892         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1893         gtk_widget_show(combo);
1894
1895         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1896         gtk_grid_set_row_spacing(GTK_GRID(table), 2);
1897         gtk_grid_set_column_spacing(GTK_GRID(table), 2);
1898
1899         pw->imd = image_new(TRUE);
1900         pw->imd_normal = pw->imd;
1901
1902         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1903                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1904         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1905                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1906
1907         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);
1908         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1909
1910         pan_window_dnd_init(pw);
1911
1912         pan_image_set_buttons(pw, pw->imd);
1913
1914         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1915         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1916                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1917         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);
1918         gtk_widget_show(pw->scrollbar_h);
1919
1920         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1921         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1922                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1923         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);
1924         gtk_widget_show(pw->scrollbar_v);
1925
1926         /* find bar */
1927
1928         pw->search_ui = pan_search_ui_new(pw);
1929         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1930
1931     /* filter bar */
1932     pw->filter_ui = pan_filter_ui_new(pw);
1933     gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1934
1935         /* status bar */
1936
1937         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1938
1939         frame = gtk_frame_new(nullptr);
1940         DEBUG_NAME(frame);
1941         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1942         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1943         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1944         gtk_widget_show(frame);
1945
1946         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1947         gtk_container_add(GTK_CONTAINER(frame), hbox);
1948         gtk_widget_show(hbox);
1949
1950         pref_spacer(hbox, 0);
1951         pw->label_message = pref_label_new(hbox, "");
1952
1953         frame = gtk_frame_new(nullptr);
1954         DEBUG_NAME(frame);
1955         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1956         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1957         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1958         gtk_widget_show(frame);
1959
1960         pw->label_zoom = gtk_label_new("");
1961         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1962         gtk_widget_show(pw->label_zoom);
1963
1964         // Add the "Find" button to the status bar area.
1965         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1966         gtk_widget_show(pw->search_ui->search_button);
1967
1968         // Add the "Filter" button to the status bar area.
1969         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1970         gtk_widget_show(pw->filter_ui->filter_button);
1971
1972         g_signal_connect(G_OBJECT(pw->window), "delete_event",
1973                          G_CALLBACK(pan_window_delete_cb), pw);
1974         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
1975                          G_CALLBACK(pan_window_key_press_cb), pw);
1976
1977         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
1978
1979         pan_layout_update(pw);
1980
1981         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1982         gtk_widget_show(pw->window);
1983
1984         pan_window_list = g_list_append(pan_window_list, pw);
1985 }
1986
1987 /*
1988  *-----------------------------------------------------------------------------
1989  * performance warnings
1990  *-----------------------------------------------------------------------------
1991  */
1992
1993 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
1994 {
1995         auto dir_fd = static_cast<FileData *>(data);
1996
1997         generic_dialog_close(gd);
1998
1999         pan_window_new_real(dir_fd);
2000         file_data_unref(dir_fd);
2001 }
2002
2003 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2004 {
2005         gboolean hide_dlg;
2006
2007         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2008         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2009 }
2010
2011 static gboolean pan_warning(FileData *dir_fd)
2012 {
2013         GenericDialog *gd;
2014         GtkWidget *box;
2015         GtkWidget *group;
2016         GtkWidget *checkbox;
2017         GtkWidget *ct_button;
2018         gboolean hide_dlg;
2019
2020         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2021                 {
2022                 pan_warning_folder(dir_fd->path, nullptr);
2023                 return TRUE;
2024                 }
2025
2026         if (options->thumbnails.enable_caching &&
2027             options->thumbnails.spec_standard) return FALSE;
2028
2029         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2030         if (hide_dlg) return FALSE;
2031
2032         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2033                                 nullptr, nullptr);
2034         gd->data = file_data_ref(dir_fd);
2035         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2036                                   pan_warning_ok_cb, TRUE);
2037
2038         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2039                                          _("Pan view performance may be poor."),
2040                                          _("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);
2041
2042         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2043         pref_spacer(group, PREF_PAD_INDENT);
2044         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2045
2046         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2047                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2048         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2049                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2050         pref_checkbox_link_sensitivity(ct_button, checkbox);
2051
2052         pref_line(box, 0);
2053
2054         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2055                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2056
2057         gtk_widget_show(gd->dialog);
2058
2059         return TRUE;
2060 }
2061
2062
2063 /*
2064  *-----------------------------------------------------------------------------
2065  * entry point
2066  *-----------------------------------------------------------------------------
2067  */
2068
2069 void pan_window_new(FileData *dir_fd)
2070 {
2071         if (pan_warning(dir_fd)) return;
2072
2073         pan_window_new_real(dir_fd);
2074 }
2075
2076
2077 /*
2078  *-----------------------------------------------------------------------------
2079  * menus
2080  *-----------------------------------------------------------------------------
2081  */
2082
2083 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2084
2085
2086 static void pan_new_window_cb(GtkWidget *, gpointer data)
2087 {
2088         auto pw = static_cast<PanWindow *>(data);
2089         FileData *fd;
2090
2091         fd = pan_menu_click_fd(pw);
2092         if (fd)
2093                 {
2094                 pan_fullscreen_toggle(pw, TRUE);
2095                 view_window_new(fd);
2096                 }
2097 }
2098
2099 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2100 {
2101         LayoutWindow *lw = nullptr;
2102         auto pw = static_cast<PanWindow *>(data);
2103         FileData *fd;
2104
2105         if (!layout_valid(&lw)) return;
2106
2107         fd = pan_menu_click_fd(pw);
2108         if (fd)
2109                 {
2110                 layout_set_fd(lw, fd);
2111                 }
2112 }
2113
2114 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2115 {
2116         PanWindow *pw;
2117         FileData *fd;
2118         auto key = static_cast<const gchar *>(data);
2119
2120         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2121         if (!pw) return;
2122
2123         fd = pan_menu_click_fd(pw);
2124         if (fd)
2125                 {
2126                 if (!editor_window_flag_set(key))
2127                         {
2128                         pan_fullscreen_toggle(pw, TRUE);
2129                         }
2130                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2131                 }
2132 }
2133
2134 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2135 {
2136         auto pw = static_cast<PanWindow *>(data);
2137
2138         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2139 }
2140
2141 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2142 {
2143         auto pw = static_cast<PanWindow *>(data);
2144
2145         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2146 }
2147
2148 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2149 {
2150         auto pw = static_cast<PanWindow *>(data);
2151
2152         image_zoom_set(pw->imd, 1.0);
2153 }
2154
2155 static void pan_copy_cb(GtkWidget *, gpointer data)
2156 {
2157         auto pw = static_cast<PanWindow *>(data);
2158         FileData *fd;
2159
2160         fd = pan_menu_click_fd(pw);
2161         if (fd) file_util_copy(fd, nullptr, nullptr, pw->imd->widget);
2162 }
2163
2164 static void pan_move_cb(GtkWidget *, gpointer data)
2165 {
2166         auto pw = static_cast<PanWindow *>(data);
2167         FileData *fd;
2168
2169         fd = pan_menu_click_fd(pw);
2170         if (fd) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2171 }
2172
2173 static void pan_rename_cb(GtkWidget *, gpointer data)
2174 {
2175         auto pw = static_cast<PanWindow *>(data);
2176         FileData *fd;
2177
2178         fd = pan_menu_click_fd(pw);
2179         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2180 }
2181
2182 static void pan_delete_cb(GtkWidget *, gpointer data)
2183 {
2184         auto pw = static_cast<PanWindow *>(data);
2185         FileData *fd;
2186
2187         fd = pan_menu_click_fd(pw);
2188         if (fd)
2189                 {
2190                 options->file_ops.safe_delete_enable = FALSE;
2191                 file_util_delete(fd, nullptr, pw->imd->widget);
2192                 }
2193 }
2194
2195 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2196 {
2197         auto pw = static_cast<PanWindow *>(data);
2198         FileData *fd;
2199
2200         fd = pan_menu_click_fd(pw);
2201         if (fd)
2202                 {
2203                 options->file_ops.safe_delete_enable = TRUE;
2204                 file_util_delete(fd, nullptr, pw->imd->widget);
2205                 }
2206 }
2207
2208 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2209 {
2210         auto pw = static_cast<PanWindow *>(data);
2211         FileData *fd;
2212
2213         fd = pan_menu_click_fd(pw);
2214         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2215 }
2216
2217 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2218 {
2219         auto pw = static_cast<PanWindow *>(data);
2220         FileData *fd;
2221
2222         fd = pan_menu_click_fd(pw);
2223         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2224 }
2225
2226 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2227 {
2228         auto pw = static_cast<PanWindow *>(data);
2229
2230         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2231         pan_layout_update(pw);
2232 }
2233
2234 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2235 {
2236         auto pw = static_cast<PanWindow *>(data);
2237
2238         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2239         /** @FIXME sync info now */
2240 }
2241
2242 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2243 {
2244         auto pw = static_cast<PanWindow *>(data);
2245
2246         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2247         /** @FIXME sync info now */
2248 }
2249
2250 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2251 {
2252         auto pw = static_cast<PanWindow *>(data);
2253
2254         pan_fullscreen_toggle(pw, FALSE);
2255 }
2256
2257 static void pan_close_cb(GtkWidget *, gpointer data)
2258 {
2259         auto pw = static_cast<PanWindow *>(data);
2260
2261         pan_window_close(pw);
2262 }
2263
2264 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2265 {
2266         auto editmenu_fd_list = static_cast<GList *>(data);
2267
2268         filelist_free(editmenu_fd_list);
2269 }
2270
2271 static void pan_play_cb(GtkWidget *, gpointer data)
2272 {
2273         auto pw = static_cast<PanWindow *>(data);
2274
2275         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2276 }
2277
2278 static GList *pan_view_get_fd_list(PanWindow *pw)
2279 {
2280         GList *list = nullptr;
2281         FileData *fd = pan_menu_click_fd(pw);
2282
2283         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2284
2285         return list;
2286 }
2287
2288 /**
2289  * @brief Add file selection list to a collection
2290  * @param[in] widget
2291  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2292  *
2293  *
2294  */
2295 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2296 {
2297         PanWindow *pw;
2298         GList *selection_list = nullptr;
2299
2300         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2301         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2302         pop_menu_collections(selection_list, data);
2303
2304         filelist_free(selection_list);
2305 }
2306
2307 static GtkWidget *pan_popup_menu(PanWindow *pw)
2308 {
2309         GtkWidget *menu;
2310         GtkWidget *submenu;
2311         GtkWidget *item;
2312         gboolean active, video;
2313         GList *editmenu_fd_list;
2314         GtkAccelGroup *accel_group;
2315
2316         active = (pw->click_pi != nullptr);
2317         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2318
2319         menu = popup_menu_short_lived();
2320         accel_group = gtk_accel_group_new();
2321         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2322
2323         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2324         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2325
2326         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2327                             G_CALLBACK(pan_play_cb), pw);
2328         menu_item_add_divider(menu);
2329
2330         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2331                             G_CALLBACK(pan_zoom_in_cb), pw);
2332         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2333                             G_CALLBACK(pan_zoom_out_cb), pw);
2334         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2335                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2336         menu_item_add_divider(menu);
2337
2338         editmenu_fd_list = pan_view_get_fd_list(pw);
2339         g_signal_connect(G_OBJECT(menu), "destroy",
2340                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2341
2342         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2343         gtk_widget_set_sensitive(item, active);
2344
2345         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2346                                       G_CALLBACK(pan_new_window_cb), pw);
2347         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2348                         G_CALLBACK(pan_go_to_original_cb), pw);
2349
2350         menu_item_add_divider(menu);
2351         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2352                                       G_CALLBACK(pan_copy_cb), pw);
2353         menu_item_add_sensitive(menu, _("_Move..."), active,
2354                                 G_CALLBACK(pan_move_cb), pw);
2355         menu_item_add_sensitive(menu, _("_Rename..."), active,
2356                                 G_CALLBACK(pan_rename_cb), pw);
2357         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2358                                 G_CALLBACK(pan_copy_path_cb), pw);
2359         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2360                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2361
2362         menu_item_add_divider(menu);
2363         menu_item_add_icon_sensitive(menu,
2364                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2365                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2366                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2367         menu_item_add_icon_sensitive(menu,
2368                                 options->file_ops.confirm_delete ? _("_Delete...") :
2369                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2370                                                 G_CALLBACK(pan_delete_cb), pw);
2371
2372         menu_item_add_divider(menu);
2373
2374         submenu = submenu_add_collections(menu, &item,
2375                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2376         gtk_widget_set_sensitive(item, TRUE);
2377         menu_item_add_divider(menu);
2378
2379
2380         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2381                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2382         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2383
2384         menu_item_add_divider(menu);
2385
2386         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2387                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2388         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2389         submenu = gtk_menu_new();
2390         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2391
2392         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2393                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2394         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2395
2396         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2397                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2398         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2399
2400         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2401                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2402         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2403
2404         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2405                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2406         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2407
2408         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2409                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2410         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2411
2412         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2413                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2414         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2415
2416
2417
2418         menu_item_add_divider(menu);
2419
2420         if (pw->fs)
2421                 {
2422                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2423                 }
2424         else
2425                 {
2426                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2427                 }
2428
2429         menu_item_add_divider(menu);
2430         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2431
2432         return menu;
2433 }
2434
2435
2436 /*
2437  *-----------------------------------------------------------------------------
2438  * drag and drop
2439  *-----------------------------------------------------------------------------
2440  */
2441
2442 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2443                                     gint, gint,
2444                                     GtkSelectionData *selection_data, guint info,
2445                                     guint, gpointer data)
2446 {
2447         auto pw = static_cast<PanWindow *>(data);
2448
2449         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2450
2451         if (info == TARGET_URI_LIST)
2452                 {
2453                 GList *list;
2454
2455                 list = uri_filelist_from_gtk_selection_data(selection_data);
2456                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2457                         {
2458                         auto fd = static_cast<FileData *>(list->data);
2459
2460                         pan_layout_set_fd(pw, fd);
2461                         }
2462
2463                 filelist_free(list);
2464                 }
2465 }
2466
2467 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2468                                     GtkSelectionData *selection_data, guint,
2469                                     guint, gpointer data)
2470 {
2471         auto pw = static_cast<PanWindow *>(data);
2472         FileData *fd;
2473
2474         fd = pan_menu_click_fd(pw);
2475         if (fd)
2476                 {
2477                 GList *list;
2478
2479                 list = g_list_append(nullptr, fd);
2480                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2481                 g_list_free(list);
2482                 }
2483         else
2484                 {
2485                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2486                                        8, nullptr, 0);
2487                 }
2488 }
2489
2490 static void pan_window_dnd_init(PanWindow *pw)
2491 {
2492         GtkWidget *widget;
2493
2494         widget = pw->imd->pr;
2495
2496         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2497                             dnd_file_drag_types, dnd_file_drag_types_count,
2498                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2499         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2500                          G_CALLBACK(pan_window_set_dnd_data), pw);
2501
2502         gtk_drag_dest_set(widget,
2503                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2504                           dnd_file_drop_types, dnd_file_drop_types_count,
2505                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2506         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2507                          G_CALLBACK(pan_window_get_dnd_data), pw);
2508 }
2509
2510 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */