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 <cmath>
  25 #include <cstring>
  26
  27 #include <gdk-pixbuf/gdk-pixbuf.h>
  28 #include <gdk/gdk.h>
  29 #include <glib-object.h>
  30 #include <gtk/gtk.h>
  31
  32 #include "bar-exif.h"
  33 #include "cache-loader.h"
  34 #include "cache.h"
  35 #include "compat.h"
  36 #include "debug.h"
  37 #include "dnd.h"
  38 #include "editors.h"
  39 #include "exif.h"
  40 #include "filedata.h"
  41 #include "fullscreen.h"
  42 #include "image-load.h"
  43 #include "image.h"
  44 #include "img-view.h"
  45 #include "intl.h"
  46 #include "layout-util.h"
  47 #include "layout.h"
  48 #include "main-defines.h"
  49 #include "menu.h"
  50 #include "metadata.h"
  51 #include "options.h"
  52 #include "pan-calendar.h"
  53 #include "pan-folder.h"
  54 #include "pan-grid.h"
  55 #include "pan-item.h"
  56 #include "pan-timeline.h"
  57 #include "pan-types.h"
  58 #include "pan-util.h"
  59 #include "pan-view-filter.h"
  60 #include "pan-view-search.h"
  61 #include "pixbuf-renderer.h"
  62 #include "pixbuf-util.h"
  63 #include "thumb.h"
  64 #include "ui-fileops.h"
  65 #include "ui-menu.h"
  66 #include "ui-misc.h"
  67 #include "ui-tabcomp.h"
  68 #include "ui-utildlg.h"
  69 #include "uri-utils.h"
  70 #include "utilops.h"
  71 #include "window.h"
  72
  73 namespace
  74 {
  75
  76 struct PanGrid {
  77         gint x;
  78         gint y;
  79         gint w;
  80         gint h;
  81         GList *list;
  82 };
  83
  84 constexpr gint PAN_WINDOW_DEFAULT_WIDTH = 720;
  85 constexpr gint PAN_WINDOW_DEFAULT_HEIGHT = 500;
  86
  87 constexpr gint PAN_TILE_SIZE = 512;
  88
  89 constexpr gdouble ZOOM_INCREMENT = 1.0;
  90 constexpr gint ZOOM_LABEL_WIDTH = 64;
  91
  92 constexpr gint PAN_GRID_SIZE = 60;
  93 constexpr gint PAN_GRID_ALPHA = 20;
  94 #define PAN_GRID_COLOR 0, 0, 0, PAN_GRID_ALPHA
  95
  96 #define PAN_BACKGROUND_COLOR 150, 150, 150, 255
  97
  98 /* popup info box */
  99 constexpr gint PAN_POPUP_BORDER = 1;
 100 constexpr guint8 PAN_POPUP_ALPHA = 255;
 101 constexpr PanColor PAN_POPUP_COLOR{255, 255, 225, PAN_POPUP_ALPHA};
 102 constexpr PanColor PAN_POPUP_BORDER_COLOR{0, 0, 0, PAN_POPUP_ALPHA};
 103
 104 } // namespace
 105
 106 #define PAN_PREF_GROUP          "pan_view_options"
 107 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
 108 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
 109 #define PAN_PREF_INFO_IMAGE     "info_image_size"
 110 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
 111
 112
 113 static GList *pan_window_list = nullptr;
 114
 115
 116 static void pan_layout_update_idle(PanWindow *pw);
 117
 118 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
 119
 120 static void pan_window_close(PanWindow *pw);
 121
 122 static GtkWidget *pan_popup_menu(PanWindow *pw);
 123
 124 static void pan_window_dnd_init(PanWindow *pw);
 125
 126 /**
 127  * This array must be kept in sync with the contents of:\n
 128  * @link pan_window_key_press_cb @endlink \n
 129  * @link pan_popup_menu @endlink
 130  *
 131  * See also @link hard_coded_window_keys @endlink
 132  **/
 133 hard_coded_window_keys pan_view_window_keys[] = {
 134         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 135         {GDK_CONTROL_MASK, 'M', N_("Move")},
 136         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 137         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 138         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 139         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 140         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 141         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 142         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 143         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 144         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 145         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 146         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 147         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 148         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 149         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 150         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 151         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 152         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 153         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 154         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 155         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 156         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 157         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 158         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 159         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 160         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 161         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 162         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 163         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 164         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 165         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 166         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 167         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 168         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 169         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 170         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 171         {static_cast<GdkModifierType>(0), 0, nullptr}
 172 };
 173
 174 /*
 175  *-----------------------------------------------------------------------------
 176  * the image/thumb loader queue
 177  *-----------------------------------------------------------------------------
 178  */
 179
 180 static gboolean pan_queue_step(PanWindow *pw);
 181
 182
 183 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 184 {
 185         auto pw = static_cast<PanWindow *>(data);
 186
 187         if (pw->queue_pi)
 188                 {
 189                 PanItem *pi;
 190                 gint rc;
 191
 192                 pi = pw->queue_pi;
 193                 pw->queue_pi = nullptr;
 194
 195                 pi->queued = FALSE;
 196
 197                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 198                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 199
 200                 rc = pi->refcount;
 201                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 202                 pi->refcount = rc;
 203                 }
 204
 205         thumb_loader_free(pw->tl);
 206         pw->tl = nullptr;
 207
 208         while (pan_queue_step(pw));
 209 }
 210
 211 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 212 {
 213         auto pw = static_cast<PanWindow *>(data);
 214         GdkPixbuf *rotated = nullptr;
 215
 216         if (pw->queue_pi)
 217                 {
 218                 PanItem *pi;
 219                 gint rc;
 220
 221                 pi = pw->queue_pi;
 222                 pw->queue_pi = nullptr;
 223
 224                 pi->queued = FALSE;
 225
 226                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 227                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 228
 229                 if (pi->pixbuf && options->image.exif_rotate_enable)
 230                         {
 231                         if (!il->fd->exif_orientation)
 232                                 {
 233                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 234                                         {
 235                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 236                                         }
 237                                 else
 238                                         {
 239                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 240                                         }
 241                                 }
 242
 243                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 244                                 {
 245                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 246                                 pi->pixbuf = rotated;
 247                                 }
 248                         }
 249
 250                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 251
 252                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 253                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 254                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 255                         {
 256                         GdkPixbuf *tmp;
 257
 258                         tmp = pi->pixbuf;
 259                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 260                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 261                         g_object_unref(tmp);
 262                         }
 263
 264                 rc = pi->refcount;
 265                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 266                 pi->refcount = rc;
 267                 }
 268
 269         image_loader_free(pw->il);
 270         pw->il = nullptr;
 271
 272         while (pan_queue_step(pw));
 273 }
 274
 275 static gboolean pan_queue_step(PanWindow *pw)
 276 {
 277         PanItem *pi;
 278
 279         if (!pw->queue) return FALSE;
 280
 281         pi = static_cast<PanItem *>(pw->queue->data);
 282         pw->queue = g_list_remove(pw->queue, pi);
 283         pw->queue_pi = pi;
 284
 285         if (!pw->queue_pi->fd)
 286                 {
 287                 pw->queue_pi->queued = FALSE;
 288                 pw->queue_pi = nullptr;
 289                 return TRUE;
 290                 }
 291
 292         image_loader_free(pw->il);
 293         pw->il = nullptr;
 294         thumb_loader_free(pw->tl);
 295         pw->tl = nullptr;
 296
 297         if (pi->type == PAN_ITEM_IMAGE)
 298                 {
 299                 pw->il = image_loader_new(pi->fd);
 300
 301                 if (pw->size != PAN_IMAGE_SIZE_100)
 302                         {
 303                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 304                         }
 305
 306                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 307                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 308
 309                 if (image_loader_start(pw->il)) return FALSE;
 310
 311                 image_loader_free(pw->il);
 312                 pw->il = nullptr;
 313                 }
 314         else if (pi->type == PAN_ITEM_THUMB)
 315                 {
 316                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 317
 318                 if (!pw->tl->standard_loader)
 319                         {
 320                         /* The classic loader will recreate a thumbnail any time we
 321                          * request a different size than what exists. This view will
 322                          * almost never use the user configured sizes so disable cache.
 323                          */
 324                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 325                         }
 326
 327                 thumb_loader_set_callbacks(pw->tl,
 328                                            pan_queue_thumb_done_cb,
 329                                            pan_queue_thumb_done_cb,
 330                                            nullptr, pw);
 331
 332                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 333
 334                 thumb_loader_free(pw->tl);
 335                 pw->tl = nullptr;
 336                 }
 337
 338         pw->queue_pi->queued = FALSE;
 339         pw->queue_pi = nullptr;
 340         return TRUE;
 341 }
 342
 343 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 344 {
 345         if (!pi || pi->queued || pi->pixbuf) return;
 346         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 347             (!pi->key || strcmp(pi->key, "info") != 0) )
 348                 {
 349                 return;
 350                 }
 351
 352         pi->queued = TRUE;
 353         pw->queue = g_list_prepend(pw->queue, pi);
 354
 355         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 356 }
 357
 358
 359 /*
 360  *-----------------------------------------------------------------------------
 361  * tile request/dispose handlers
 362  *-----------------------------------------------------------------------------
 363  */
 364
 365 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 366                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 367 {
 368         auto pw = static_cast<PanWindow *>(data);
 369         GList *list;
 370         GList *work;
 371         gint i;
 372
 373         pixbuf_set_rect_fill(pixbuf,
 374                              0, 0, width, height,
 375                              PAN_BACKGROUND_COLOR);
 376
 377         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 378                 {
 379                 gint rx;
 380                 gint ry;
 381                 gint rw;
 382                 gint rh;
 383
 384                 if (util_clip_region(x, y, width, height,
 385                                      i, y, 1, height,
 386                                      &rx, &ry, &rw, &rh))
 387                         {
 388                         pixbuf_draw_rect_fill(pixbuf,
 389                                               rx - x, ry - y, rw, rh,
 390                                               PAN_GRID_COLOR);
 391                         }
 392                 }
 393         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 394                 {
 395                 gint rx;
 396                 gint ry;
 397                 gint rw;
 398                 gint rh;
 399
 400                 if (util_clip_region(x, y, width, height,
 401                                      x, i, width, 1,
 402                                      &rx, &ry, &rw, &rh))
 403                         {
 404                         pixbuf_draw_rect_fill(pixbuf,
 405                                               rx - x, ry - y, rw, rh,
 406                                               PAN_GRID_COLOR);
 407                         }
 408                 }
 409
 410         list = pan_layout_intersect(pw, x, y, width, height);
 411         work = list;
 412         while (work)
 413                 {
 414                 PanItem *pi;
 415                 gboolean queue = FALSE;
 416
 417                 pi = static_cast<PanItem *>(work->data);
 418                 work = work->next;
 419
 420                 pi->refcount++;
 421
 422                 switch (pi->type)
 423                         {
 424                         case PAN_ITEM_BOX:
 425                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 426                                 break;
 427                         case PAN_ITEM_TRIANGLE:
 428                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 429                                 break;
 430                         case PAN_ITEM_TEXT:
 431                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 432                                 break;
 433                         case PAN_ITEM_THUMB:
 434                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 435                                 break;
 436                         case PAN_ITEM_IMAGE:
 437                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 438                                 break;
 439                         case PAN_ITEM_NONE:
 440                         default:
 441                                 break;
 442                         }
 443
 444                 if (queue) pan_queue_add(pw, pi);
 445                 }
 446
 447         g_list_free(list);
 448
 449         return TRUE;
 450 }
 451
 452 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 453                                        gint width, gint height, GdkPixbuf *, gpointer data)
 454 {
 455         auto pw = static_cast<PanWindow *>(data);
 456         GList *list;
 457         GList *work;
 458
 459         list = pan_layout_intersect(pw, x, y, width, height);
 460         work = list;
 461         while (work)
 462                 {
 463                 PanItem *pi;
 464
 465                 pi = static_cast<PanItem *>(work->data);
 466                 work = work->next;
 467
 468                 if (pi->refcount > 0)
 469                         {
 470                         pi->refcount--;
 471
 472                         if (pi->refcount == 0)
 473                                 {
 474                                 if (pi->queued)
 475                                         {
 476                                         pw->queue = g_list_remove(pw->queue, pi);
 477                                         pi->queued = FALSE;
 478                                         }
 479                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 480                                 if (pi->pixbuf)
 481                                         {
 482                                         g_object_unref(pi->pixbuf);
 483                                         pi->pixbuf = nullptr;
 484                                         }
 485                                 }
 486                         }
 487                 }
 488
 489         g_list_free(list);
 490 }
 491
 492
 493 /*
 494  *-----------------------------------------------------------------------------
 495  * misc
 496  *-----------------------------------------------------------------------------
 497  */
 498
 499 static void pan_window_message(PanWindow *pw, const gchar *text)
 500 {
 501         GList *work;
 502         gint count = 0;
 503         gint64 size = 0;
 504         gchar *ss;
 505         gchar *buf;
 506
 507         if (text)
 508                 {
 509                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 510                 return;
 511                 }
 512
 513         work = pw->list_static;
 514         if (pw->layout == PAN_LAYOUT_CALENDAR)
 515                 {
 516                 while (work)
 517                         {
 518                         PanItem *pi;
 519
 520                         pi = static_cast<PanItem *>(work->data);
 521                         work = work->next;
 522
 523                         if (pi->fd &&
 524                             pi->type == PAN_ITEM_BOX &&
 525                             pi->key && strcmp(pi->key, "dot") == 0)
 526                                 {
 527                                 size += pi->fd->size;
 528                                 count++;
 529                                 }
 530                         }
 531                 }
 532         else
 533                 {
 534                 while (work)
 535                         {
 536                         PanItem *pi;
 537
 538                         pi = static_cast<PanItem *>(work->data);
 539                         work = work->next;
 540
 541                         if (pi->fd &&
 542                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 543                                 {
 544                                 size += pi->fd->size;
 545                                 count++;
 546                                 }
 547                         }
 548                 }
 549
 550         ss = text_from_size_abrev(size);
 551         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 552         g_free(ss);
 553         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 554         g_free(buf);
 555 }
 556
 557 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 558 {
 559         gchar *message;
 560
 561         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 562         warning_dialog(_("Folder not supported"), message,
 563                       GQ_ICON_DIALOG_INFO, parent);
 564         g_free(message);
 565 }
 566
 567 static void pan_window_zoom_limit(PanWindow *pw)
 568 {
 569         gdouble min;
 570
 571         switch (pw->size)
 572                 {
 573                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 574                 case PAN_IMAGE_SIZE_THUMB_NONE:
 575                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 576                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 577 #if 0
 578                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 579                         min = -16.0;
 580                         break;
 581 #endif
 582                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 583                         min = -6.0;
 584                         break;
 585                 case PAN_IMAGE_SIZE_10:
 586                 case PAN_IMAGE_SIZE_25:
 587                         min = -4.0;
 588                         break;
 589                 case PAN_IMAGE_SIZE_33:
 590                 case PAN_IMAGE_SIZE_50:
 591                 case PAN_IMAGE_SIZE_100:
 592                 default:
 593                         min = -2.0;
 594                         break;
 595                 }
 596
 597         image_zoom_set_limits(pw->imd, min, 32.0);
 598 }
 599
 600
 601 /*
 602  *-----------------------------------------------------------------------------
 603  * cache
 604  *-----------------------------------------------------------------------------
 605  */
 606
 607 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 608 {
 609         auto pca = static_cast<PanCacheData *>(a);
 610         auto pcb = static_cast<PanCacheData *>(b);
 611         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 612 }
 613 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 614 {
 615         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 616 }
 617
 618
 619 static void pan_cache_free(PanWindow *pw)
 620 {
 621         g_list_free_full(pw->cache_list, [](gpointer data)
 622                 {
 623                 auto pc = static_cast<PanCacheData *>(data);
 624                 cache_sim_data_free(pc->cd);
 625                 file_data_unref(pc->fd);
 626                 g_free(pc);
 627                 });
 628         pw->cache_list = nullptr;
 629
 630         filelist_free(pw->cache_todo);
 631         pw->cache_todo = nullptr;
 632
 633         pw->cache_count = 0;
 634         pw->cache_total = 0;
 635         pw->cache_tick = 0;
 636
 637         cache_loader_free(pw->cache_cl);
 638         pw->cache_cl = nullptr;
 639 }
 640
 641 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 642 {
 643         GList *list;
 644
 645         pan_cache_free(pw);
 646
 647         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 648         pw->cache_todo = g_list_reverse(list);
 649
 650         pw->cache_total = g_list_length(pw->cache_todo);
 651 }
 652
 653 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 654 {
 655         auto pw = static_cast<PanWindow *>(data);
 656
 657         if (pw->cache_list)
 658                 {
 659                 PanCacheData *pc;
 660                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 661
 662                 if (!pc->cd)
 663                         {
 664                         pc->cd = cl->cd;
 665                         cl->cd = nullptr;
 666                         }
 667                 }
 668
 669         cache_loader_free(cl);
 670         pw->cache_cl = nullptr;
 671
 672         pan_layout_update_idle(pw);
 673 }
 674
 675 static gboolean pan_cache_step(PanWindow *pw)
 676 {
 677         FileData *fd;
 678         PanCacheData *pc;
 679         CacheDataType load_mask;
 680
 681         if (!pw->cache_todo) return TRUE;
 682
 683         fd = static_cast<FileData *>(pw->cache_todo->data);
 684         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 685
 686         pc = g_new0(PanCacheData, 1);
 687         pc->fd = file_data_ref(fd);
 688
 689         pc->cd = nullptr;
 690
 691         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 692
 693         cache_loader_free(pw->cache_cl);
 694
 695         load_mask = CACHE_LOADER_NONE;
 696         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 697         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 698         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 699                                         pan_cache_step_done_cb, pw);
 700         return (pw->cache_cl == nullptr);
 701 }
 702
 703 /* This sync date function is optimized for lists with a common sort */
 704 void pan_cache_sync_date(PanWindow *pw, GList *list)
 705 {
 706         GList *haystack;
 707         GList *work;
 708
 709         haystack = g_list_copy(pw->cache_list);
 710
 711         work = list;
 712         while (work)
 713                 {
 714                 FileData *fd;
 715                 GList *needle;
 716
 717                 fd = static_cast<FileData *>(work->data);
 718                 work = work->next;
 719
 720                 needle = haystack;
 721                 while (needle)
 722                         {
 723                         PanCacheData *pc;
 724
 725                         pc = static_cast<PanCacheData *>(needle->data);
 726                         if (pc->fd == fd)
 727                                 {
 728                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 729                                         {
 730                                         fd->date = pc->cd->date;
 731                                         }
 732
 733                                 haystack = g_list_delete_link(haystack, needle);
 734                                 needle = nullptr;
 735                                 }
 736                         else
 737                                 {
 738                                 needle = needle->next;
 739                                 }
 740                         }
 741                 }
 742
 743         g_list_free(haystack);
 744 }
 745
 746 /*
 747  *-----------------------------------------------------------------------------
 748  * item grid
 749  *-----------------------------------------------------------------------------
 750  */
 751
 752 static void pan_grid_clear(PanWindow *pw)
 753 {
 754         g_list_free_full(pw->list_grid, [](gpointer data)
 755                 {
 756                 auto pg = static_cast<PanGrid *>(data);
 757                 g_list_free(pg->list);
 758                 g_free(pg);
 759                 });
 760         pw->list_grid = nullptr;
 761
 762         pw->list = g_list_concat(pw->list, pw->list_static);
 763         pw->list_static = nullptr;
 764 }
 765
 766 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 767 {
 768         GList *work;
 769         gint col;
 770         gint row;
 771         gint cw;
 772         gint ch;
 773         gint l;
 774         gint i;
 775         gint j;
 776
 777         pan_grid_clear(pw);
 778
 779         l = g_list_length(pw->list);
 780
 781         if (l < 1) return;
 782
 783         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 784         col = CLAMP(col, 1, l / grid_size + 1);
 785         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 786         if (row < 1) row = 1;
 787
 788         /* limit minimum size of grid so that a tile will always fit regardless of position */
 789         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 790         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 791
 792         row = row * 2 - 1;
 793         col = col * 2 - 1;
 794
 795         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 796
 797         for (j = 0; j < row; j++)
 798             for (i = 0; i < col; i++)
 799                 {
 800                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 801                         {
 802                         PanGrid *pg;
 803
 804                         pg = g_new0(PanGrid, 1);
 805                         pg->x = i * cw / 2;
 806                         pg->y = j * ch / 2;
 807                         pg->w = cw;
 808                         pg->h = ch;
 809
 810                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 811
 812                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 813                         }
 814                 }
 815
 816         work = pw->list;
 817         while (work)
 818                 {
 819                 PanItem *pi;
 820                 GList *grid;
 821
 822                 pi = static_cast<PanItem *>(work->data);
 823                 work = work->next;
 824
 825                 grid = pw->list_grid;
 826                 while (grid)
 827                         {
 828                         PanGrid *pg;
 829                         gint rx;
 830                         gint ry;
 831                         gint rw;
 832                         gint rh;
 833
 834                         pg = static_cast<PanGrid *>(grid->data);
 835                         grid = grid->next;
 836
 837                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 838                                              pg->x, pg->y, pg->w, pg->h,
 839                                              &rx, &ry, &rw, &rh))
 840                                 {
 841                                 pg->list = g_list_prepend(pg->list, pi);
 842                                 }
 843                         }
 844                 }
 845
 846         work = pw->list_grid;
 847         while (work)
 848                 {
 849                 PanGrid *pg;
 850
 851                 pg = static_cast<PanGrid *>(work->data);
 852                 work = work->next;
 853
 854                 pg->list = g_list_reverse(pg->list);
 855                 }
 856
 857         pw->list_static = pw->list;
 858         pw->list = nullptr;
 859 }
 860
 861
 862 /*
 863  *-----------------------------------------------------------------------------
 864  * layout state reset
 865  *-----------------------------------------------------------------------------
 866  */
 867
 868 static void pan_window_items_free(PanWindow *pw)
 869 {
 870         pan_grid_clear(pw);
 871
 872         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 873         pw->list = nullptr;
 874
 875         g_list_free(pw->queue);
 876         pw->queue = nullptr;
 877         pw->queue_pi = nullptr;
 878
 879         image_loader_free(pw->il);
 880         pw->il = nullptr;
 881
 882         thumb_loader_free(pw->tl);
 883         pw->tl = nullptr;
 884
 885         pw->click_pi = nullptr;
 886         pw->search_pi = nullptr;
 887 }
 888
 889
 890 /*
 891  *-----------------------------------------------------------------------------
 892  * layout generation, queries, sizing
 893  *-----------------------------------------------------------------------------
 894  */
 895
 896 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 897                                gint &width, gint &height,
 898                                gint &scroll_x, gint &scroll_y)
 899 {
 900         pan_window_items_free(pw);
 901
 902         switch (pw->size)
 903                 {
 904                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 905                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 906                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 907                         break;
 908                 case PAN_IMAGE_SIZE_THUMB_NONE:
 909                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 910                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 911                         break;
 912                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 913                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 914                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 915                         break;
 916                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 917                 default:
 918                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 919                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 920                         break;
 921                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 922                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 923                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 924                         break;
 925                 case PAN_IMAGE_SIZE_10:
 926                         pw->image_size = 10;
 927                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 928                         break;
 929                 case PAN_IMAGE_SIZE_25:
 930                         pw->image_size = 25;
 931                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 932                         break;
 933                 case PAN_IMAGE_SIZE_33:
 934                         pw->image_size = 33;
 935                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 936                         break;
 937                 case PAN_IMAGE_SIZE_50:
 938                         pw->image_size = 50;
 939                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 940                         break;
 941                 case PAN_IMAGE_SIZE_100:
 942                         pw->image_size = 100;
 943                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 944                         break;
 945                 }
 946
 947         width = 0;
 948         height = 0;
 949         scroll_x = 0;
 950         scroll_y = 0;
 951
 952         switch (pw->layout)
 953                 {
 954                 case PAN_LAYOUT_GRID:
 955                 default:
 956                         pan_grid_compute(pw, dir_fd, width, height);
 957                         break;
 958                 case PAN_LAYOUT_FOLDERS_LINEAR:
 959                         pan_folder_tree_compute(pw, dir_fd, width, height);
 960                         break;
 961                 case PAN_LAYOUT_FOLDERS_FLOWER:
 962                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 963                         break;
 964                 case PAN_LAYOUT_CALENDAR:
 965                         pan_calendar_compute(pw, dir_fd, width, height);
 966                         break;
 967                 case PAN_LAYOUT_TIMELINE:
 968                         pan_timeline_compute(pw, dir_fd, width, height);
 969                         break;
 970                 }
 971
 972         pan_cache_free(pw);
 973
 974         DEBUG_1("computed %d objects", g_list_length(pw->list));
 975 }
 976
 977 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 978                                      gint x, gint y, gint width, gint height)
 979 {
 980         GList *work;
 981
 982         work = item_list;
 983         while (work)
 984                 {
 985                 PanItem *pi;
 986                 gint rx;
 987                 gint ry;
 988                 gint rw;
 989                 gint rh;
 990
 991                 pi = static_cast<PanItem *>(work->data);
 992                 work = work->next;
 993
 994                 if (util_clip_region(x, y, width, height,
 995                                      pi->x, pi->y, pi->width, pi->height,
 996                                      &rx, &ry, &rw, &rh))
 997                         {
 998                         list = g_list_prepend(list, pi);
 999                         }
1000                 }
1001
1002         return list;
1003 }
1004
1005 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
1006 {
1007         GList *list = nullptr;
1008         GList *grid;
1009         PanGrid *pg = nullptr;
1010
1011         grid = pw->list_grid;
1012         while (grid && !pg)
1013                 {
1014                 pg = static_cast<PanGrid *>(grid->data);
1015                 grid = grid->next;
1016
1017                 if (x < pg->x || x + width > pg->x + pg->w ||
1018                     y < pg->y || y + height > pg->y + pg->h)
1019                         {
1020                         pg = nullptr;
1021                         }
1022                 }
1023
1024         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1025
1026         if (pg)
1027                 {
1028                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1029                 }
1030         else
1031                 {
1032                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1033                 }
1034
1035         return list;
1036 }
1037
1038 void pan_layout_resize(PanWindow *pw)
1039 {
1040         gint width = 0;
1041         gint height = 0;
1042         GList *work;
1043         PixbufRenderer *pr;
1044
1045         work = pw->list;
1046         while (work)
1047                 {
1048                 PanItem *pi;
1049
1050                 pi = static_cast<PanItem *>(work->data);
1051                 work = work->next;
1052
1053                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1054                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1055                 }
1056         work = pw->list_static;
1057         while (work)
1058                 {
1059                 PanItem *pi;
1060
1061                 pi = static_cast<PanItem *>(work->data);
1062                 work = work->next;
1063
1064                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1065                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1066                 }
1067
1068         width += PAN_BOX_BORDER * 2;
1069         height += PAN_BOX_BORDER * 2;
1070
1071         pr = PIXBUF_RENDERER(pw->imd->pr);
1072         if (width < pr->window_width) width = pr->window_width;
1073         if (height < pr->window_width) height = pr->window_height;
1074
1075         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1076 }
1077
1078 static gint pan_layout_update_idle_cb(gpointer data)
1079 {
1080         auto pw = static_cast<PanWindow *>(data);
1081         gint width;
1082         gint height;
1083         gint scroll_x;
1084         gint scroll_y;
1085
1086         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1087             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1088                 {
1089                 if (!pw->cache_list && !pw->cache_todo)
1090                         {
1091                         pan_cache_fill(pw, pw->dir_fd);
1092                         if (pw->cache_todo)
1093                                 {
1094                                 pan_window_message(pw, _("Reading image data..."));
1095                                 return G_SOURCE_CONTINUE;
1096                                 }
1097                         }
1098                 if (pw->cache_todo)
1099                         {
1100                         pw->cache_count++;
1101                         pw->cache_tick++;
1102                         if (pw->cache_count == pw->cache_total)
1103                                 {
1104                                 pan_window_message(pw, _("Sorting..."));
1105                                 }
1106                         else if (pw->cache_tick > 9)
1107                                 {
1108                                 gchar *buf;
1109
1110                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1111                                                       pw->cache_count, pw->cache_total);
1112                                 pan_window_message(pw, buf);
1113                                 g_free(buf);
1114
1115                                 pw->cache_tick = 0;
1116                                 }
1117
1118                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1119
1120                         pw->idle_id = 0;
1121                         return G_SOURCE_REMOVE;
1122                         }
1123                 }
1124
1125         pan_layout_compute(pw, pw->dir_fd, width, height, scroll_x, scroll_y);
1126
1127         pan_window_zoom_limit(pw);
1128
1129         if (width > 0 && height > 0)
1130                 {
1131                 gdouble align;
1132
1133                 DEBUG_1("Canvas size is %d x %d", width, height);
1134
1135                 pan_grid_build(pw, width, height, 1000);
1136
1137                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1138                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1139                                           pan_window_request_tile_cb,
1140                                           pan_window_dispose_tile_cb, pw, 1.0);
1141
1142                 if (scroll_x == 0 && scroll_y == 0)
1143                         {
1144                         align = 0.0;
1145                         }
1146                 else
1147                         {
1148                         align = 0.5;
1149                         }
1150                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1151                 }
1152
1153         pan_window_message(pw, nullptr);
1154
1155         pw->idle_id = 0;
1156         return G_SOURCE_REMOVE;
1157 }
1158
1159 static void pan_layout_update_idle(PanWindow *pw)
1160 {
1161         if (!pw->idle_id)
1162                 {
1163                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1164                 }
1165 }
1166
1167 void pan_layout_update(PanWindow *pw)
1168 {
1169         pan_window_message(pw, _("Sorting images..."));
1170         pan_layout_update_idle(pw);
1171 }
1172
1173 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1174 {
1175         if (!dir_fd) return;
1176
1177         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1178                 {
1179                 pan_warning_folder(dir_fd->path, pw->window);
1180                 return;
1181                 }
1182
1183         file_data_unref(pw->dir_fd);
1184         pw->dir_fd = file_data_ref(dir_fd);
1185
1186         pan_layout_update(pw);
1187 }
1188
1189
1190 /*
1191  *-----------------------------------------------------------------------------
1192  * keyboard handlers
1193  *-----------------------------------------------------------------------------
1194  */
1195
1196 FileData *pan_menu_click_fd(PanWindow *pw)
1197 {
1198         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1199         return nullptr;
1200 }
1201
1202 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1203 {
1204         auto pw = static_cast<PanWindow *>(data);
1205         PixbufRenderer *pr;
1206         FileData *fd;
1207         gboolean stop_signal = FALSE;
1208         GtkWidget *menu;
1209         GtkWidget *imd_widget;
1210         gint x = 0;
1211         gint y = 0;
1212         gint focused;
1213         gint on_entry;
1214
1215         pr = PIXBUF_RENDERER(pw->imd->pr);
1216         fd = pan_menu_click_fd(pw);
1217
1218         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1219         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1220         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1221                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1222                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1223
1224         if (focused)
1225                 {
1226                 stop_signal = TRUE;
1227                 switch (event->keyval)
1228                         {
1229                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1230                                 x -= 1;
1231                                 break;
1232                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1233                                 x += 1;
1234                                 break;
1235                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1236                                 y -= 1;
1237                                 break;
1238                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1239                                 y += 1;
1240                                 break;
1241                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1242                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1243                                 break;
1244                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1245                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1246                                 break;
1247                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1248                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1249                                 break;
1250                         case GDK_KEY_End: case GDK_KEY_KP_End:
1251                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1252                                 break;
1253                         default:
1254                                 stop_signal = FALSE;
1255                                 break;
1256                         }
1257
1258                 if (x != 0 || y!= 0)
1259                         {
1260                         keyboard_scroll_calc(x, y, event);
1261                         pixbuf_renderer_scroll(pr, x, y);
1262                         }
1263                 }
1264
1265         if (stop_signal) return stop_signal;
1266
1267         if (event->state & GDK_CONTROL_MASK)
1268                 {
1269                 stop_signal = TRUE;
1270                 switch (event->keyval)
1271                         {
1272                         case '1':
1273                         case '2':
1274                         case '3':
1275                         case '4':
1276                         case '5':
1277                         case '6':
1278                         case '7':
1279                         case '8':
1280                         case '9':
1281                         case '0':
1282                                 break;
1283                         case 'C': case 'c':
1284                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1285                                 break;
1286                         case 'M': case 'm':
1287                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1288                                 break;
1289                         case 'R': case 'r':
1290                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1291                                 break;
1292                         case 'D': case 'd':
1293                                 if (fd)
1294                                         {
1295                                         options->file_ops.safe_delete_enable = TRUE;
1296                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1297                                         }
1298                                 break;
1299                         case 'F': case 'f':
1300                                 pan_search_toggle_visible(pw, TRUE);
1301                                 break;
1302                         case 'G': case 'g':
1303                                 pan_search_activate(pw);
1304                                 break;
1305                         case 'W': case 'w':
1306                                 pan_window_close(pw);
1307                                 break;
1308                         default:
1309                                 stop_signal = FALSE;
1310                                 break;
1311                         }
1312                 }
1313         else
1314                 {
1315                 stop_signal = TRUE;
1316                 switch (event->keyval)
1317                         {
1318                         case GDK_KEY_Escape:
1319                                 if (pw->fs)
1320                                         {
1321                                         pan_fullscreen_toggle(pw, TRUE);
1322                                         }
1323                                 else
1324                                         {
1325                                         pan_search_toggle_visible(pw, FALSE);
1326                                         }
1327                                 break;
1328                         default:
1329                                 stop_signal = FALSE;
1330                                 break;
1331                         }
1332
1333                 if (stop_signal) return stop_signal;
1334
1335                 // Don't steal characters from entry boxes.
1336                 if (!on_entry)
1337                         {
1338                         stop_signal = TRUE;
1339                         switch (event->keyval)
1340                                 {
1341                                 case '+': case '=': case GDK_KEY_KP_Add:
1342                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1343                                         break;
1344                                 case '-': case GDK_KEY_KP_Subtract:
1345                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1346                                         break;
1347                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1348                                         pixbuf_renderer_zoom_set(pr, 1.0);
1349                                         break;
1350                                 case '2':
1351                                         pixbuf_renderer_zoom_set(pr, 2.0);
1352                                         break;
1353                                 case '3':
1354                                         pixbuf_renderer_zoom_set(pr, 3.0);
1355                                         break;
1356                                 case '4':
1357                                         pixbuf_renderer_zoom_set(pr, 4.0);
1358                                         break;
1359                                 case '7':
1360                                         pixbuf_renderer_zoom_set(pr, -4.0);
1361                                         break;
1362                                 case '8':
1363                                         pixbuf_renderer_zoom_set(pr, -3.0);
1364                                         break;
1365                                 case '9':
1366                                         pixbuf_renderer_zoom_set(pr, -2.0);
1367                                         break;
1368                                 case 'F': case 'f':
1369                                 case 'V': case 'v':
1370                                 case GDK_KEY_F11:
1371                                         pan_fullscreen_toggle(pw, FALSE);
1372                                         break;
1373                                 case 'I': case 'i':
1374                                         break;
1375                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1376                                         break;
1377                                 case GDK_KEY_Menu:
1378                                 case GDK_KEY_F10:
1379                                         menu = pan_popup_menu(pw);
1380                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1381
1382                                         break;
1383                                 case '/':
1384                                         pan_search_toggle_visible(pw, TRUE);
1385                                         break;
1386                                         stop_signal = FALSE;
1387                                         break;
1388                                 }
1389                         }
1390                 }
1391         if (!stop_signal && is_help_key(event))
1392                 {
1393                 help_window_show("GuideOtherWindowsPanView.html");
1394                 stop_signal = TRUE;
1395                 }
1396
1397         return stop_signal;
1398 }
1399
1400 /*
1401  *-----------------------------------------------------------------------------
1402  * info popup
1403  *-----------------------------------------------------------------------------
1404  */
1405
1406 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1407 {
1408         GList *exif_list;
1409         gchar *text;
1410         gchar *title;
1411         gchar *key;
1412
1413         if (!fd) return;
1414
1415         exif_list = bar_pane_exif_list();
1416         while (exif_list)
1417                 {
1418                 title = static_cast<gchar *>(exif_list->data);
1419                 exif_list = exif_list->next;
1420                 key = static_cast<gchar *>(exif_list->data);
1421                 exif_list = exif_list->next;
1422
1423                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1424                 if (text && text[0] != '\0')
1425                         {
1426                         pan_text_alignment_add(ta, title, text);
1427                         }
1428
1429                 g_free(text);
1430                 }
1431
1432         g_list_free_full(exif_list, g_free);
1433 }
1434
1435
1436 void pan_info_update(PanWindow *pw, PanItem *pi)
1437 {
1438         PanTextAlignment *ta;
1439         PanItem *pbox;
1440         PanItem *p;
1441         gchar *buf;
1442         gint x1;
1443         gint y1;
1444         gint x2;
1445         gint y2;
1446         gint x3;
1447         gint y3;
1448         gint x;
1449         gint y;
1450         gint w;
1451         gint h;
1452
1453         if (pw->click_pi == pi) return;
1454         if (pi && !pi->fd) pi = nullptr;
1455
1456         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1457         pw->click_pi = pi;
1458
1459         if (!pi) return;
1460
1461         DEBUG_1("info set to %s", pi->fd->path);
1462
1463         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1464                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
1465         pan_item_set_key(pbox, "info");
1466
1467         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1468                 {
1469                 w = gdk_pixbuf_get_width(pi->pixbuf);
1470                 h = gdk_pixbuf_get_height(pi->pixbuf);
1471
1472                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1473                 y1 = pi->y + (pi->height - h) / 2 + 8;
1474                 }
1475         else
1476                 {
1477                 x1 = pi->x + pi->width - 8;
1478                 y1 = pi->y + 8;
1479                 }
1480
1481         x2 = pbox->x + 1;
1482         y2 = pbox->y + 36;
1483         x3 = pbox->x + 1;
1484         y3 = pbox->y + 12;
1485         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1486                            x, y, w, h);
1487
1488         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1489                              x1, y1, x2, y2, x3, y3,
1490                              PAN_POPUP_COLOR);
1491         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR);
1492         pan_item_set_key(p, "info");
1493         pan_item_added(pw, p);
1494
1495         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1496
1497         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1498         buf = remove_level_from_path(pi->fd->path);
1499         pan_text_alignment_add(ta, _("Location:"), buf);
1500         g_free(buf);
1501         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1502         buf = text_from_size(pi->fd->size);
1503         pan_text_alignment_add(ta, _("Size:"), buf);
1504         g_free(buf);
1505
1506         if (pw->info_includes_exif)
1507                 {
1508                 pan_info_add_exif(ta, pi->fd);
1509                 }
1510
1511         pan_text_alignment_calc(ta, pbox);
1512         pan_text_alignment_free(ta);
1513
1514         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1515         pan_item_added(pw, pbox);
1516
1517         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1518                 {
1519                 gint iw;
1520                 gint ih;
1521                 if (image_load_dimensions(pi->fd, &iw, &ih))
1522                         {
1523                         gint scale = 25;
1524
1525                         switch (pw->info_image_size)
1526                                 {
1527                                 case PAN_IMAGE_SIZE_10:
1528                                         scale = 10;
1529                                         break;
1530                                 case PAN_IMAGE_SIZE_25:
1531                                         scale = 25;
1532                                         break;
1533                                 case PAN_IMAGE_SIZE_33:
1534                                         scale = 33;
1535                                         break;
1536                                 case PAN_IMAGE_SIZE_50:
1537                                         scale = 50;
1538                                         break;
1539                                 case PAN_IMAGE_SIZE_100:
1540                                         scale = 100;
1541                                         break;
1542                                 }
1543
1544                         iw = MAX(1, iw * scale / 100);
1545                         ih = MAX(1, ih * scale / 100);
1546
1547                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1548                                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
1549                         pan_item_set_key(pbox, "info");
1550
1551                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1552                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1553                         pan_item_set_key(p, "info");
1554                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1555
1556                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1557                         pan_item_added(pw, pbox);
1558                         }
1559                 }
1560
1561         pan_layout_resize(pw);
1562 }
1563
1564
1565 /*
1566  *-----------------------------------------------------------------------------
1567  * main window
1568  *-----------------------------------------------------------------------------
1569  */
1570
1571 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1572 {
1573         auto pw = static_cast<PanWindow *>(data);
1574         PanItem *pi = nullptr;
1575         GtkWidget *menu;
1576         gint rx;
1577         gint ry;
1578
1579         rx = ry = 0;
1580         if (pr->scale)
1581                 {
1582                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1583                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1584                 }
1585
1586         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1587         if (pi && event->button == MOUSE_BUTTON_LEFT)
1588                 {
1589                 pan_info_update(pw, nullptr);
1590                 return;
1591                 }
1592
1593         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1594                                     rx, ry, nullptr);
1595
1596         switch (event->button)
1597                 {
1598                 case MOUSE_BUTTON_LEFT:
1599                         pan_info_update(pw, pi);
1600
1601                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1602                                 {
1603                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1604                                 pan_calendar_update(pw, pi);
1605                                 }
1606                         break;
1607                 case MOUSE_BUTTON_MIDDLE:
1608                         break;
1609                 case MOUSE_BUTTON_RIGHT:
1610                         pan_info_update(pw, pi);
1611                         menu = pan_popup_menu(pw);
1612                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1613                         break;
1614                 default:
1615                         break;
1616                 }
1617 }
1618
1619 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1620 {
1621         gint w;
1622         gint h;
1623
1624         w = pr->vis_width;
1625         h = pr->vis_height;
1626
1627         if (!(event->state & GDK_SHIFT_MASK))
1628                 {
1629                 w /= 3;
1630                 h /= 3;
1631                 }
1632
1633         if (event->state & GDK_CONTROL_MASK)
1634                 {
1635                 switch (event->direction)
1636                         {
1637                         case GDK_SCROLL_UP:
1638                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1639                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1640                                 break;
1641                         case GDK_SCROLL_DOWN:
1642                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1643                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1644                                 break;
1645                         default:
1646                                 break;
1647                         }
1648                 }
1649         else
1650                 {
1651                 switch (event->direction)
1652                         {
1653                         case GDK_SCROLL_UP:
1654                                 pixbuf_renderer_scroll(pr, 0, -h);
1655                                 break;
1656                         case GDK_SCROLL_DOWN:
1657                                 pixbuf_renderer_scroll(pr, 0, h);
1658                                 break;
1659                         case GDK_SCROLL_LEFT:
1660                                 pixbuf_renderer_scroll(pr, -w, 0);
1661                                 break;
1662                         case GDK_SCROLL_RIGHT:
1663                                 pixbuf_renderer_scroll(pr, w, 0);
1664                                 break;
1665                         default:
1666                                 break;
1667                         }
1668                 }
1669 }
1670
1671 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1672 {
1673         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1674                          G_CALLBACK(button_cb), pw);
1675         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1676                          G_CALLBACK(scroll_cb), pw);
1677 }
1678
1679 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1680 {
1681         auto pw = static_cast<PanWindow *>(data);
1682
1683         pw->fs = nullptr;
1684         pw->imd = pw->imd_normal;
1685 }
1686
1687 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1688 {
1689         if (force_off && !pw->fs) return;
1690
1691         if (pw->fs)
1692                 {
1693                 fullscreen_stop(pw->fs);
1694                 }
1695         else
1696                 {
1697                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1698                 pan_image_set_buttons(pw, pw->fs->imd);
1699                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1700                                  G_CALLBACK(pan_window_key_press_cb), pw);
1701
1702                 pw->imd = pw->fs->imd;
1703                 }
1704 }
1705
1706 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1707 {
1708         auto pw = static_cast<PanWindow *>(data);
1709         gchar *text;
1710
1711         text = image_zoom_get_as_text(pw->imd);
1712         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1713         g_free(text);
1714 }
1715
1716 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1717 {
1718         auto pw = static_cast<PanWindow *>(data);
1719         GtkAdjustment *adj;
1720         GdkRectangle rect;
1721         gint width;
1722         gint height;
1723
1724         if (pr->scale == 0.0) return;
1725
1726         pixbuf_renderer_get_visible_rect(pr, &rect);
1727         pixbuf_renderer_get_image_size(pr, &width, &height);
1728
1729         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1730         gtk_adjustment_set_page_size(adj, rect.width);
1731         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1732         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1733         gtk_adjustment_set_lower(adj, 0.0);
1734         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1735         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1736
1737         pref_signal_block_data(pw->scrollbar_h, pw);
1738         pref_signal_unblock_data(pw->scrollbar_h, pw);
1739
1740         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1741         gtk_adjustment_set_page_size(adj, rect.height);
1742         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1743         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1744         gtk_adjustment_set_lower(adj, 0.0);
1745         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1746         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1747
1748         pref_signal_block_data(pw->scrollbar_v, pw);
1749         pref_signal_unblock_data(pw->scrollbar_v, pw);
1750 }
1751
1752 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1753 {
1754         auto pw = static_cast<PanWindow *>(data);
1755         PixbufRenderer *pr;
1756         gint x;
1757
1758         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1759
1760         if (!pr->scale) return;
1761
1762         x = static_cast<gint>(gtk_range_get_value(range));
1763
1764         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1765 }
1766
1767 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1768 {
1769         auto pw = static_cast<PanWindow *>(data);
1770         PixbufRenderer *pr;
1771         gint y;
1772
1773         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1774
1775         if (!pr->scale) return;
1776
1777         y = static_cast<gint>(gtk_range_get_value(range));
1778
1779         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1780 }
1781
1782 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1783 {
1784         auto pw = static_cast<PanWindow *>(data);
1785
1786         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1787         pan_layout_update(pw);
1788 }
1789
1790 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1791 {
1792         auto pw = static_cast<PanWindow *>(data);
1793
1794         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1795         pan_layout_update(pw);
1796 }
1797
1798 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1799 {
1800         auto pw = static_cast<PanWindow *>(data);
1801         gchar *path;
1802
1803         path = remove_trailing_slash(new_text);
1804         parse_out_relatives(path);
1805
1806         if (!isdir(path))
1807                 {
1808                 warning_dialog(_("Folder not found"),
1809                                _("The entered path is not a folder"),
1810                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1811                 }
1812         else
1813                 {
1814                 FileData *dir_fd = file_data_new_dir(path);
1815                 tab_completion_append_to_history(pw->path_entry, path);
1816
1817                 pan_layout_set_fd(pw, dir_fd);
1818                 file_data_unref(dir_fd);
1819                 }
1820
1821         g_free(path);
1822 }
1823
1824 static void pan_window_close(PanWindow *pw)
1825 {
1826         pan_window_list = g_list_remove(pan_window_list, pw);
1827
1828         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1829         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1830         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1831
1832         if (pw->idle_id)
1833                 {
1834                 g_source_remove(pw->idle_id);
1835                 }
1836
1837         pan_fullscreen_toggle(pw, TRUE);
1838         pan_search_ui_destroy(&pw->search_ui);
1839         pan_filter_ui_destroy(&pw->filter_ui);
1840         gq_gtk_widget_destroy(pw->window);
1841
1842         pan_window_items_free(pw);
1843         pan_cache_free(pw);
1844
1845         file_data_unref(pw->dir_fd);
1846
1847         g_free(pw);
1848 }
1849
1850 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1851 {
1852         auto pw = static_cast<PanWindow *>(data);
1853
1854         pan_window_close(pw);
1855         return TRUE;
1856 }
1857
1858 static void pan_window_new_real(FileData *dir_fd)
1859 {
1860         PanWindow *pw;
1861         GdkGeometry geometry;
1862         GtkWidget *box;
1863         GtkWidget *combo;
1864         GtkWidget *frame;
1865         GtkWidget *hbox;
1866         GtkWidget *hbox_imd_widget;
1867         GtkWidget *vbox;
1868         GtkWidget *vbox_imd_widget;
1869
1870         pw = g_new0(PanWindow, 1);
1871
1872         pw->dir_fd = file_data_ref(dir_fd);
1873         pw->layout = PAN_LAYOUT_TIMELINE;
1874         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1875         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1876         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1877
1878         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1879                 {
1880                 pw->exif_date_enable = FALSE;
1881                 }
1882         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1883                 {
1884                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1885                 }
1886         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1887                 {
1888                 pw->info_includes_exif = TRUE;
1889                 }
1890
1891         pw->ignore_symlinks = TRUE;
1892
1893         pw->idle_id = 0;
1894
1895         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1896         DEBUG_NAME(pw->window);
1897
1898         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1899         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1900         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1901
1902         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1903         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1904
1905         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1906         DEBUG_NAME(vbox);
1907         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1908         gtk_widget_show(vbox);
1909
1910         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1911
1912         pref_spacer(box, 0);
1913         pref_label_new(box, _("Location:"));
1914         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1, pan_window_entry_activate_cb, pw);
1915         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1916         gtk_widget_show(combo);
1917
1918         combo = gtk_combo_box_text_new();
1919         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1920         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1921         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1922         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1923         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1924
1925         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1926         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_change_cb), pw);
1927         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1928         gtk_widget_show(combo);
1929
1930         combo = gtk_combo_box_text_new();
1931         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1932         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1933         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1934         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1935         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1936         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1937         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1938         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1939         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1940         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1941
1942         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1943         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_size_cb), pw);
1944         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1945         gtk_widget_show(combo);
1946
1947         pw->imd = image_new(TRUE);
1948         pw->imd_normal = pw->imd;
1949
1950         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom", G_CALLBACK(pan_window_image_zoom_cb), pw);
1951         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify", G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1952
1953         vbox_imd_widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1954         hbox_imd_widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
1955
1956         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->imd->widget, true, true, 0);
1957
1958         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1959         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",  G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1960         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->scrollbar_h, false, false, 0);
1961
1962         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), vbox_imd_widget, true, true, 0);
1963
1964         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1965         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed", G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1966         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), pw->scrollbar_v, false, false, 0);
1967
1968         gtk_box_pack_start(GTK_BOX(vbox), hbox_imd_widget, true, true, 0);
1969
1970         gtk_widget_show(GTK_WIDGET(hbox_imd_widget));
1971         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1972         gtk_widget_show(GTK_WIDGET(vbox));
1973         gtk_widget_show(GTK_WIDGET(vbox_imd_widget));
1974         gtk_widget_show(pw->scrollbar_h);
1975         gtk_widget_show(pw->scrollbar_v);
1976
1977         pan_window_dnd_init(pw);
1978
1979         pan_image_set_buttons(pw, pw->imd);
1980
1981         /* find bar */
1982
1983         pw->search_ui = pan_search_ui_new(pw);
1984         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1985
1986         /* filter bar */
1987         pw->filter_ui = pan_filter_ui_new(pw);
1988         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1989
1990         /* status bar */
1991
1992         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1993
1994         frame = gtk_frame_new(nullptr);
1995         DEBUG_NAME(frame);
1996         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1997         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1998         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1999         gtk_widget_show(frame);
2000
2001         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
2002         gtk_container_add(GTK_CONTAINER(frame), hbox);
2003         gtk_widget_show(hbox);
2004
2005         pref_spacer(hbox, 0);
2006         pw->label_message = pref_label_new(hbox, "");
2007
2008         frame = gtk_frame_new(nullptr);
2009         DEBUG_NAME(frame);
2010         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2011         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2012         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2013         gtk_widget_show(frame);
2014
2015         pw->label_zoom = gtk_label_new("");
2016         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2017         gtk_widget_show(pw->label_zoom);
2018
2019         // Add the "Find" button to the status bar area.
2020         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2021         gtk_widget_show(pw->search_ui->search_button);
2022
2023         // Add the "Filter" button to the status bar area.
2024         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2025         gtk_widget_show(pw->filter_ui->filter_button);
2026
2027         g_signal_connect(G_OBJECT(pw->window), "delete_event", G_CALLBACK(pan_window_delete_cb), pw);
2028         g_signal_connect(G_OBJECT(pw->window), "key_press_event", G_CALLBACK(pan_window_key_press_cb), pw);
2029
2030         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2031
2032         pan_layout_update(pw);
2033
2034         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2035         gtk_widget_show(pw->window);
2036
2037         pan_window_list = g_list_append(pan_window_list, pw);
2038 }
2039
2040 /*
2041  *-----------------------------------------------------------------------------
2042  * performance warnings
2043  *-----------------------------------------------------------------------------
2044  */
2045
2046 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2047 {
2048         auto dir_fd = static_cast<FileData *>(data);
2049
2050         generic_dialog_close(gd);
2051
2052         pan_window_new_real(dir_fd);
2053         file_data_unref(dir_fd);
2054 }
2055
2056 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2057 {
2058         gboolean hide_dlg;
2059
2060         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2061         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2062 }
2063
2064 static gboolean pan_warning(FileData *dir_fd)
2065 {
2066         GenericDialog *gd;
2067         GtkWidget *box;
2068         GtkWidget *group;
2069         GtkWidget *checkbox;
2070         GtkWidget *ct_button;
2071         gboolean hide_dlg;
2072
2073         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2074                 {
2075                 pan_warning_folder(dir_fd->path, nullptr);
2076                 return TRUE;
2077                 }
2078
2079         if (options->thumbnails.enable_caching &&
2080             options->thumbnails.spec_standard) return FALSE;
2081
2082         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2083         if (hide_dlg) return FALSE;
2084
2085         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2086                                 nullptr, nullptr);
2087         gd->data = file_data_ref(dir_fd);
2088         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2089                                   pan_warning_ok_cb, TRUE);
2090
2091         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2092                                          _("Pan view performance may be poor."),
2093                                          _("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);
2094
2095         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2096         pref_spacer(group, PREF_PAD_INDENT);
2097         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2098
2099         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2100                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2101         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2102                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2103         pref_checkbox_link_sensitivity(ct_button, checkbox);
2104
2105         pref_line(box, 0);
2106
2107         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2108                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2109
2110         gtk_widget_show(gd->dialog);
2111
2112         return TRUE;
2113 }
2114
2115
2116 /*
2117  *-----------------------------------------------------------------------------
2118  * entry point
2119  *-----------------------------------------------------------------------------
2120  */
2121
2122 void pan_window_new(FileData *dir_fd)
2123 {
2124         if (pan_warning(dir_fd)) return;
2125
2126         pan_window_new_real(dir_fd);
2127 }
2128
2129
2130 /*
2131  *-----------------------------------------------------------------------------
2132  * menus
2133  *-----------------------------------------------------------------------------
2134  */
2135
2136 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2137
2138
2139 static void pan_new_window_cb(GtkWidget *, gpointer data)
2140 {
2141         auto pw = static_cast<PanWindow *>(data);
2142         FileData *fd;
2143
2144         fd = pan_menu_click_fd(pw);
2145         if (fd)
2146                 {
2147                 pan_fullscreen_toggle(pw, TRUE);
2148                 view_window_new(fd);
2149                 }
2150 }
2151
2152 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2153 {
2154         LayoutWindow *lw = nullptr;
2155         auto pw = static_cast<PanWindow *>(data);
2156         FileData *fd;
2157
2158         if (!layout_valid(&lw)) return;
2159
2160         fd = pan_menu_click_fd(pw);
2161         if (fd)
2162                 {
2163                 layout_set_fd(lw, fd);
2164                 }
2165 }
2166
2167 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2168 {
2169         PanWindow *pw;
2170         FileData *fd;
2171         auto key = static_cast<const gchar *>(data);
2172
2173         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2174         if (!pw) return;
2175
2176         fd = pan_menu_click_fd(pw);
2177         if (fd)
2178                 {
2179                 if (!editor_window_flag_set(key))
2180                         {
2181                         pan_fullscreen_toggle(pw, TRUE);
2182                         }
2183                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2184                 }
2185 }
2186
2187 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2188 {
2189         auto pw = static_cast<PanWindow *>(data);
2190
2191         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2192 }
2193
2194 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2195 {
2196         auto pw = static_cast<PanWindow *>(data);
2197
2198         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2199 }
2200
2201 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2202 {
2203         auto pw = static_cast<PanWindow *>(data);
2204
2205         image_zoom_set(pw->imd, 1.0);
2206 }
2207
2208 static void pan_copy_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(fd, nullptr, nullptr, pw->imd->widget);
2215 }
2216
2217 static void pan_move_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_move(fd, nullptr, nullptr, pw->imd->widget);
2224 }
2225
2226 static void pan_rename_cb(GtkWidget *, gpointer data)
2227 {
2228         auto pw = static_cast<PanWindow *>(data);
2229         FileData *fd;
2230
2231         fd = pan_menu_click_fd(pw);
2232         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2233 }
2234
2235 static void pan_delete_cb(GtkWidget *, gpointer data)
2236 {
2237         auto pw = static_cast<PanWindow *>(data);
2238         FileData *fd;
2239
2240         fd = pan_menu_click_fd(pw);
2241         if (fd)
2242                 {
2243                 options->file_ops.safe_delete_enable = FALSE;
2244                 file_util_delete(fd, nullptr, pw->imd->widget);
2245                 }
2246 }
2247
2248 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2249 {
2250         auto pw = static_cast<PanWindow *>(data);
2251         FileData *fd;
2252
2253         fd = pan_menu_click_fd(pw);
2254         if (fd)
2255                 {
2256                 options->file_ops.safe_delete_enable = TRUE;
2257                 file_util_delete(fd, nullptr, pw->imd->widget);
2258                 }
2259 }
2260
2261 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2262 {
2263         auto pw = static_cast<PanWindow *>(data);
2264         FileData *fd;
2265
2266         fd = pan_menu_click_fd(pw);
2267         if (fd) file_util_copy_path_to_clipboard(fd, TRUE, TRUE);
2268 }
2269
2270 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2271 {
2272         auto pw = static_cast<PanWindow *>(data);
2273         FileData *fd;
2274
2275         fd = pan_menu_click_fd(pw);
2276         if (fd) file_util_copy_path_to_clipboard(fd, FALSE, TRUE);
2277 }
2278
2279 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2280 {
2281         auto pw = static_cast<PanWindow *>(data);
2282
2283         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2284         pan_layout_update(pw);
2285 }
2286
2287 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2288 {
2289         auto pw = static_cast<PanWindow *>(data);
2290
2291         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2292         /** @FIXME sync info now */
2293 }
2294
2295 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2296 {
2297         auto pw = static_cast<PanWindow *>(data);
2298
2299         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2300         /** @FIXME sync info now */
2301 }
2302
2303 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2304 {
2305         auto pw = static_cast<PanWindow *>(data);
2306
2307         pan_fullscreen_toggle(pw, FALSE);
2308 }
2309
2310 static void pan_close_cb(GtkWidget *, gpointer data)
2311 {
2312         auto pw = static_cast<PanWindow *>(data);
2313
2314         pan_window_close(pw);
2315 }
2316
2317 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2318 {
2319         auto editmenu_fd_list = static_cast<GList *>(data);
2320
2321         filelist_free(editmenu_fd_list);
2322 }
2323
2324 static void pan_play_cb(GtkWidget *, gpointer data)
2325 {
2326         auto pw = static_cast<PanWindow *>(data);
2327
2328         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2329 }
2330
2331 static GList *pan_view_get_fd_list(PanWindow *pw)
2332 {
2333         GList *list = nullptr;
2334         FileData *fd = pan_menu_click_fd(pw);
2335
2336         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2337
2338         return list;
2339 }
2340
2341 /**
2342  * @brief Add file selection list to a collection
2343  * @param[in] widget
2344  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2345  *
2346  *
2347  */
2348 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2349 {
2350         PanWindow *pw;
2351         GList *selection_list = nullptr;
2352
2353         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2354         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2355         pop_menu_collections(selection_list, data);
2356
2357         filelist_free(selection_list);
2358 }
2359
2360 static GtkWidget *pan_popup_menu(PanWindow *pw)
2361 {
2362         GtkWidget *menu;
2363         GtkWidget *submenu;
2364         GtkWidget *item;
2365         gboolean active;
2366         gboolean video;
2367         GList *editmenu_fd_list;
2368         GtkAccelGroup *accel_group;
2369
2370         active = (pw->click_pi != nullptr);
2371         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2372
2373         menu = popup_menu_short_lived();
2374         accel_group = gtk_accel_group_new();
2375         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2376
2377         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2378         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2379
2380         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2381                             G_CALLBACK(pan_play_cb), pw);
2382         menu_item_add_divider(menu);
2383
2384         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2385                             G_CALLBACK(pan_zoom_in_cb), pw);
2386         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2387                             G_CALLBACK(pan_zoom_out_cb), pw);
2388         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2389                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2390         menu_item_add_divider(menu);
2391
2392         editmenu_fd_list = pan_view_get_fd_list(pw);
2393         g_signal_connect(G_OBJECT(menu), "destroy",
2394                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2395
2396         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2397         gtk_widget_set_sensitive(item, active);
2398
2399         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2400                                       G_CALLBACK(pan_new_window_cb), pw);
2401         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2402                         G_CALLBACK(pan_go_to_original_cb), pw);
2403
2404         menu_item_add_divider(menu);
2405         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2406                                       G_CALLBACK(pan_copy_cb), pw);
2407         menu_item_add_sensitive(menu, _("_Move..."), active,
2408                                 G_CALLBACK(pan_move_cb), pw);
2409         menu_item_add_sensitive(menu, _("_Rename..."), active,
2410                                 G_CALLBACK(pan_rename_cb), pw);
2411         menu_item_add_sensitive(menu, _("_Copy to clipboard"), active,
2412                                 G_CALLBACK(pan_copy_path_cb), pw);
2413         menu_item_add_sensitive(menu, _("_Copy to clipboard (unquoted)"), active,
2414                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2415
2416         menu_item_add_divider(menu);
2417         menu_item_add_icon_sensitive(menu,
2418                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2419                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2420                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2421         menu_item_add_icon_sensitive(menu,
2422                                 options->file_ops.confirm_delete ? _("_Delete...") :
2423                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2424                                                 G_CALLBACK(pan_delete_cb), pw);
2425
2426         menu_item_add_divider(menu);
2427
2428         submenu = submenu_add_collections(menu, &item,
2429                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2430         gtk_widget_set_sensitive(item, TRUE);
2431         menu_item_add_divider(menu);
2432
2433
2434         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2435                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2436         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2437
2438         menu_item_add_divider(menu);
2439
2440         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2441                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2442         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2443         submenu = gtk_menu_new();
2444         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2445
2446         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2447                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2448         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2449
2450         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2451                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2452         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2453
2454         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2455                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2456         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2457
2458         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2459                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2460         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2461
2462         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2463                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2464         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2465
2466         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2467                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2468         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2469
2470
2471
2472         menu_item_add_divider(menu);
2473
2474         if (pw->fs)
2475                 {
2476                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2477                 }
2478         else
2479                 {
2480                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2481                 }
2482
2483         menu_item_add_divider(menu);
2484         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2485
2486         return menu;
2487 }
2488
2489
2490 /*
2491  *-----------------------------------------------------------------------------
2492  * drag and drop
2493  *-----------------------------------------------------------------------------
2494  */
2495
2496 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2497                                     gint, gint,
2498                                     GtkSelectionData *selection_data, guint info,
2499                                     guint, gpointer data)
2500 {
2501         auto pw = static_cast<PanWindow *>(data);
2502
2503         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2504
2505         if (info == TARGET_URI_LIST)
2506                 {
2507                 GList *list;
2508
2509                 list = uri_filelist_from_gtk_selection_data(selection_data);
2510                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2511                         {
2512                         auto fd = static_cast<FileData *>(list->data);
2513
2514                         pan_layout_set_fd(pw, fd);
2515                         }
2516
2517                 filelist_free(list);
2518                 }
2519 }
2520
2521 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2522                                     GtkSelectionData *selection_data, guint,
2523                                     guint, gpointer data)
2524 {
2525         auto pw = static_cast<PanWindow *>(data);
2526         FileData *fd;
2527
2528         fd = pan_menu_click_fd(pw);
2529         if (fd)
2530                 {
2531                 GList *list;
2532
2533                 list = g_list_append(nullptr, fd);
2534                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2535                 g_list_free(list);
2536                 }
2537         else
2538                 {
2539                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2540                                        8, nullptr, 0);
2541                 }
2542 }
2543
2544 static void pan_window_dnd_init(PanWindow *pw)
2545 {
2546         GtkWidget *widget;
2547
2548         widget = pw->imd->pr;
2549
2550         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2551                             dnd_file_drag_types, dnd_file_drag_types_count,
2552                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2553         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2554                          G_CALLBACK(pan_window_set_dnd_data), pw);
2555
2556         gtk_drag_dest_set(widget,
2557                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2558                           dnd_file_drop_types, dnd_file_drop_types_count,
2559                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2560         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2561                          G_CALLBACK(pan_window_get_dnd_data), pw);
2562 }
2563
2564 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */