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 "main.h"
  50 #include "menu.h"
  51 #include "metadata.h"
  52 #include "misc.h"
  53 #include "options.h"
  54 #include "pan-calendar.h"
  55 #include "pan-folder.h"
  56 #include "pan-grid.h"
  57 #include "pan-item.h"
  58 #include "pan-timeline.h"
  59 #include "pan-types.h"
  60 #include "pan-util.h"
  61 #include "pan-view-filter.h"
  62 #include "pan-view-search.h"
  63 #include "pixbuf-renderer.h"
  64 #include "pixbuf-util.h"
  65 #include "thumb.h"
  66 #include "ui-fileops.h"
  67 #include "ui-menu.h"
  68 #include "ui-misc.h"
  69 #include "ui-tabcomp.h"
  70 #include "ui-utildlg.h"
  71 #include "uri-utils.h"
  72 #include "utilops.h"
  73 #include "window.h"
  74
  75
  76 enum {
  77         PAN_WINDOW_DEFAULT_WIDTH = 720,
  78         PAN_WINDOW_DEFAULT_HEIGHT = 500
  79 };
  80
  81 enum {
  82         PAN_TILE_SIZE = 512
  83 };
  84
  85 #define ZOOM_INCREMENT 1.0
  86 enum {
  87         ZOOM_LABEL_WIDTH = 64
  88 };
  89
  90
  91 #define PAN_PREF_GROUP          "pan_view_options"
  92 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  93 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  94 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  95 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  96
  97
  98 static GList *pan_window_list = nullptr;
  99
 100
 101 static void pan_layout_update_idle(PanWindow *pw);
 102
 103 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
 104
 105 static void pan_window_close(PanWindow *pw);
 106
 107 static GtkWidget *pan_popup_menu(PanWindow *pw);
 108
 109 static void pan_window_dnd_init(PanWindow *pw);
 110
 111 /**
 112  * This array must be kept in sync with the contents of:\n
 113  * @link pan_window_key_press_cb @endlink \n
 114  * @link pan_popup_menu @endlink
 115  *
 116  * See also @link hard_coded_window_keys @endlink
 117  **/
 118 hard_coded_window_keys pan_view_window_keys[] = {
 119         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 120         {GDK_CONTROL_MASK, 'M', N_("Move")},
 121         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 122         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 123         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 124         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 125         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 127         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 128         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 129         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 130         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 131         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 132         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 133         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 134         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 135         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 136         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 137         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 138         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 139         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 140         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 141         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 142         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 143         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 144         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 145         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 146         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 147         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 148         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 149         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 150         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 151         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 152         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 153         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 154         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 155         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 156         {static_cast<GdkModifierType>(0), 0, nullptr}
 157 };
 158
 159 /*
 160  *-----------------------------------------------------------------------------
 161  * the image/thumb loader queue
 162  *-----------------------------------------------------------------------------
 163  */
 164
 165 static gboolean pan_queue_step(PanWindow *pw);
 166
 167
 168 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 169 {
 170         auto pw = static_cast<PanWindow *>(data);
 171
 172         if (pw->queue_pi)
 173                 {
 174                 PanItem *pi;
 175                 gint rc;
 176
 177                 pi = pw->queue_pi;
 178                 pw->queue_pi = nullptr;
 179
 180                 pi->queued = FALSE;
 181
 182                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 183                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 184
 185                 rc = pi->refcount;
 186                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 187                 pi->refcount = rc;
 188                 }
 189
 190         thumb_loader_free(pw->tl);
 191         pw->tl = nullptr;
 192
 193         while (pan_queue_step(pw));
 194 }
 195
 196 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 197 {
 198         auto pw = static_cast<PanWindow *>(data);
 199         GdkPixbuf *rotated = nullptr;
 200
 201         if (pw->queue_pi)
 202                 {
 203                 PanItem *pi;
 204                 gint rc;
 205
 206                 pi = pw->queue_pi;
 207                 pw->queue_pi = nullptr;
 208
 209                 pi->queued = FALSE;
 210
 211                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 212                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 213
 214                 if (pi->pixbuf && options->image.exif_rotate_enable)
 215                         {
 216                         if (!il->fd->exif_orientation)
 217                                 {
 218                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 219                                         {
 220                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 221                                         }
 222                                 else
 223                                         {
 224                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 225                                         }
 226                                 }
 227
 228                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 229                                 {
 230                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 231                                 pi->pixbuf = rotated;
 232                                 }
 233                         }
 234
 235                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 236
 237                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 238                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 239                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 240                         {
 241                         GdkPixbuf *tmp;
 242
 243                         tmp = pi->pixbuf;
 244                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 245                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 246                         g_object_unref(tmp);
 247                         }
 248
 249                 rc = pi->refcount;
 250                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 251                 pi->refcount = rc;
 252                 }
 253
 254         image_loader_free(pw->il);
 255         pw->il = nullptr;
 256
 257         while (pan_queue_step(pw));
 258 }
 259
 260 static gboolean pan_queue_step(PanWindow *pw)
 261 {
 262         PanItem *pi;
 263
 264         if (!pw->queue) return FALSE;
 265
 266         pi = static_cast<PanItem *>(pw->queue->data);
 267         pw->queue = g_list_remove(pw->queue, pi);
 268         pw->queue_pi = pi;
 269
 270         if (!pw->queue_pi->fd)
 271                 {
 272                 pw->queue_pi->queued = FALSE;
 273                 pw->queue_pi = nullptr;
 274                 return TRUE;
 275                 }
 276
 277         image_loader_free(pw->il);
 278         pw->il = nullptr;
 279         thumb_loader_free(pw->tl);
 280         pw->tl = nullptr;
 281
 282         if (pi->type == PAN_ITEM_IMAGE)
 283                 {
 284                 pw->il = image_loader_new(pi->fd);
 285
 286                 if (pw->size != PAN_IMAGE_SIZE_100)
 287                         {
 288                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 289                         }
 290
 291                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 292                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 293
 294                 if (image_loader_start(pw->il)) return FALSE;
 295
 296                 image_loader_free(pw->il);
 297                 pw->il = nullptr;
 298                 }
 299         else if (pi->type == PAN_ITEM_THUMB)
 300                 {
 301                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 302
 303                 if (!pw->tl->standard_loader)
 304                         {
 305                         /* The classic loader will recreate a thumbnail any time we
 306                          * request a different size than what exists. This view will
 307                          * almost never use the user configured sizes so disable cache.
 308                          */
 309                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 310                         }
 311
 312                 thumb_loader_set_callbacks(pw->tl,
 313                                            pan_queue_thumb_done_cb,
 314                                            pan_queue_thumb_done_cb,
 315                                            nullptr, pw);
 316
 317                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 318
 319                 thumb_loader_free(pw->tl);
 320                 pw->tl = nullptr;
 321                 }
 322
 323         pw->queue_pi->queued = FALSE;
 324         pw->queue_pi = nullptr;
 325         return TRUE;
 326 }
 327
 328 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 329 {
 330         if (!pi || pi->queued || pi->pixbuf) return;
 331         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 332             (!pi->key || strcmp(pi->key, "info") != 0) )
 333                 {
 334                 return;
 335                 }
 336
 337         pi->queued = TRUE;
 338         pw->queue = g_list_prepend(pw->queue, pi);
 339
 340         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 341 }
 342
 343
 344 /*
 345  *-----------------------------------------------------------------------------
 346  * tile request/dispose handlers
 347  *-----------------------------------------------------------------------------
 348  */
 349
 350 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 351                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 352 {
 353         auto pw = static_cast<PanWindow *>(data);
 354         GList *list;
 355         GList *work;
 356         gint i;
 357
 358         pixbuf_set_rect_fill(pixbuf,
 359                              0, 0, width, height,
 360                              PAN_BACKGROUND_COLOR, 255);
 361
 362         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 363                 {
 364                 gint rx;
 365                 gint ry;
 366                 gint rw;
 367                 gint rh;
 368
 369                 if (util_clip_region(x, y, width, height,
 370                                      i, y, 1, height,
 371                                      &rx, &ry, &rw, &rh))
 372                         {
 373                         pixbuf_draw_rect_fill(pixbuf,
 374                                               rx - x, ry - y, rw, rh,
 375                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 376                         }
 377                 }
 378         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 379                 {
 380                 gint rx;
 381                 gint ry;
 382                 gint rw;
 383                 gint rh;
 384
 385                 if (util_clip_region(x, y, width, height,
 386                                      x, i, width, 1,
 387                                      &rx, &ry, &rw, &rh))
 388                         {
 389                         pixbuf_draw_rect_fill(pixbuf,
 390                                               rx - x, ry - y, rw, rh,
 391                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 392                         }
 393                 }
 394
 395         list = pan_layout_intersect(pw, x, y, width, height);
 396         work = list;
 397         while (work)
 398                 {
 399                 PanItem *pi;
 400                 gboolean queue = FALSE;
 401
 402                 pi = static_cast<PanItem *>(work->data);
 403                 work = work->next;
 404
 405                 pi->refcount++;
 406
 407                 switch (pi->type)
 408                         {
 409                         case PAN_ITEM_BOX:
 410                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 411                                 break;
 412                         case PAN_ITEM_TRIANGLE:
 413                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 414                                 break;
 415                         case PAN_ITEM_TEXT:
 416                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 417                                 break;
 418                         case PAN_ITEM_THUMB:
 419                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 420                                 break;
 421                         case PAN_ITEM_IMAGE:
 422                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 423                                 break;
 424                         case PAN_ITEM_NONE:
 425                         default:
 426                                 break;
 427                         }
 428
 429                 if (queue) pan_queue_add(pw, pi);
 430                 }
 431
 432         g_list_free(list);
 433
 434         return TRUE;
 435 }
 436
 437 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 438                                        gint width, gint height, GdkPixbuf *, gpointer data)
 439 {
 440         auto pw = static_cast<PanWindow *>(data);
 441         GList *list;
 442         GList *work;
 443
 444         list = pan_layout_intersect(pw, x, y, width, height);
 445         work = list;
 446         while (work)
 447                 {
 448                 PanItem *pi;
 449
 450                 pi = static_cast<PanItem *>(work->data);
 451                 work = work->next;
 452
 453                 if (pi->refcount > 0)
 454                         {
 455                         pi->refcount--;
 456
 457                         if (pi->refcount == 0)
 458                                 {
 459                                 if (pi->queued)
 460                                         {
 461                                         pw->queue = g_list_remove(pw->queue, pi);
 462                                         pi->queued = FALSE;
 463                                         }
 464                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 465                                 if (pi->pixbuf)
 466                                         {
 467                                         g_object_unref(pi->pixbuf);
 468                                         pi->pixbuf = nullptr;
 469                                         }
 470                                 }
 471                         }
 472                 }
 473
 474         g_list_free(list);
 475 }
 476
 477
 478 /*
 479  *-----------------------------------------------------------------------------
 480  * misc
 481  *-----------------------------------------------------------------------------
 482  */
 483
 484 static void pan_window_message(PanWindow *pw, const gchar *text)
 485 {
 486         GList *work;
 487         gint count = 0;
 488         gint64 size = 0;
 489         gchar *ss;
 490         gchar *buf;
 491
 492         if (text)
 493                 {
 494                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 495                 return;
 496                 }
 497
 498         work = pw->list_static;
 499         if (pw->layout == PAN_LAYOUT_CALENDAR)
 500                 {
 501                 while (work)
 502                         {
 503                         PanItem *pi;
 504
 505                         pi = static_cast<PanItem *>(work->data);
 506                         work = work->next;
 507
 508                         if (pi->fd &&
 509                             pi->type == PAN_ITEM_BOX &&
 510                             pi->key && strcmp(pi->key, "dot") == 0)
 511                                 {
 512                                 size += pi->fd->size;
 513                                 count++;
 514                                 }
 515                         }
 516                 }
 517         else
 518                 {
 519                 while (work)
 520                         {
 521                         PanItem *pi;
 522
 523                         pi = static_cast<PanItem *>(work->data);
 524                         work = work->next;
 525
 526                         if (pi->fd &&
 527                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 528                                 {
 529                                 size += pi->fd->size;
 530                                 count++;
 531                                 }
 532                         }
 533                 }
 534
 535         ss = text_from_size_abrev(size);
 536         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 537         g_free(ss);
 538         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 539         g_free(buf);
 540 }
 541
 542 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 543 {
 544         gchar *message;
 545
 546         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 547         warning_dialog(_("Folder not supported"), message,
 548                       GQ_ICON_DIALOG_INFO, parent);
 549         g_free(message);
 550 }
 551
 552 static void pan_window_zoom_limit(PanWindow *pw)
 553 {
 554         gdouble min;
 555
 556         switch (pw->size)
 557                 {
 558                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 559                 case PAN_IMAGE_SIZE_THUMB_NONE:
 560                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 561                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 562 #if 0
 563                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 564                         min = -16.0;
 565                         break;
 566 #endif
 567                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 568                         min = -6.0;
 569                         break;
 570                 case PAN_IMAGE_SIZE_10:
 571                 case PAN_IMAGE_SIZE_25:
 572                         min = -4.0;
 573                         break;
 574                 case PAN_IMAGE_SIZE_33:
 575                 case PAN_IMAGE_SIZE_50:
 576                 case PAN_IMAGE_SIZE_100:
 577                 default:
 578                         min = -2.0;
 579                         break;
 580                 }
 581
 582         image_zoom_set_limits(pw->imd, min, 32.0);
 583 }
 584
 585
 586 /*
 587  *-----------------------------------------------------------------------------
 588  * cache
 589  *-----------------------------------------------------------------------------
 590  */
 591
 592 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 593 {
 594         auto pca = static_cast<PanCacheData *>(a);
 595         auto pcb = static_cast<PanCacheData *>(b);
 596         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 597 }
 598 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 599 {
 600         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 601 }
 602
 603
 604 static void pan_cache_free(PanWindow *pw)
 605 {
 606         g_list_free_full(pw->cache_list, [](gpointer data)
 607                 {
 608                 auto pc = static_cast<PanCacheData *>(data);
 609                 cache_sim_data_free(pc->cd);
 610                 file_data_unref(pc->fd);
 611                 g_free(pc);
 612                 });
 613         pw->cache_list = nullptr;
 614
 615         filelist_free(pw->cache_todo);
 616         pw->cache_todo = nullptr;
 617
 618         pw->cache_count = 0;
 619         pw->cache_total = 0;
 620         pw->cache_tick = 0;
 621
 622         cache_loader_free(pw->cache_cl);
 623         pw->cache_cl = nullptr;
 624 }
 625
 626 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 627 {
 628         GList *list;
 629
 630         pan_cache_free(pw);
 631
 632         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 633         pw->cache_todo = g_list_reverse(list);
 634
 635         pw->cache_total = g_list_length(pw->cache_todo);
 636 }
 637
 638 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 639 {
 640         auto pw = static_cast<PanWindow *>(data);
 641
 642         if (pw->cache_list)
 643                 {
 644                 PanCacheData *pc;
 645                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 646
 647                 if (!pc->cd)
 648                         {
 649                         pc->cd = cl->cd;
 650                         cl->cd = nullptr;
 651                         }
 652                 }
 653
 654         cache_loader_free(cl);
 655         pw->cache_cl = nullptr;
 656
 657         pan_layout_update_idle(pw);
 658 }
 659
 660 static gboolean pan_cache_step(PanWindow *pw)
 661 {
 662         FileData *fd;
 663         PanCacheData *pc;
 664         CacheDataType load_mask;
 665
 666         if (!pw->cache_todo) return TRUE;
 667
 668         fd = static_cast<FileData *>(pw->cache_todo->data);
 669         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 670
 671         pc = g_new0(PanCacheData, 1);
 672         pc->fd = file_data_ref(fd);
 673
 674         pc->cd = nullptr;
 675
 676         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 677
 678         cache_loader_free(pw->cache_cl);
 679
 680         load_mask = CACHE_LOADER_NONE;
 681         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 682         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 683         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 684                                         pan_cache_step_done_cb, pw);
 685         return (pw->cache_cl == nullptr);
 686 }
 687
 688 /* This sync date function is optimized for lists with a common sort */
 689 void pan_cache_sync_date(PanWindow *pw, GList *list)
 690 {
 691         GList *haystack;
 692         GList *work;
 693
 694         haystack = g_list_copy(pw->cache_list);
 695
 696         work = list;
 697         while (work)
 698                 {
 699                 FileData *fd;
 700                 GList *needle;
 701
 702                 fd = static_cast<FileData *>(work->data);
 703                 work = work->next;
 704
 705                 needle = haystack;
 706                 while (needle)
 707                         {
 708                         PanCacheData *pc;
 709
 710                         pc = static_cast<PanCacheData *>(needle->data);
 711                         if (pc->fd == fd)
 712                                 {
 713                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 714                                         {
 715                                         fd->date = pc->cd->date;
 716                                         }
 717
 718                                 haystack = g_list_delete_link(haystack, needle);
 719                                 needle = nullptr;
 720                                 }
 721                         else
 722                                 {
 723                                 needle = needle->next;
 724                                 }
 725                         }
 726                 }
 727
 728         g_list_free(haystack);
 729 }
 730
 731 /*
 732  *-----------------------------------------------------------------------------
 733  * item grid
 734  *-----------------------------------------------------------------------------
 735  */
 736
 737 static void pan_grid_clear(PanWindow *pw)
 738 {
 739         g_list_free_full(pw->list_grid, [](gpointer data)
 740                 {
 741                 auto pg = static_cast<PanGrid *>(data);
 742                 g_list_free(pg->list);
 743                 g_free(pg);
 744                 });
 745         pw->list_grid = nullptr;
 746
 747         pw->list = g_list_concat(pw->list, pw->list_static);
 748         pw->list_static = nullptr;
 749 }
 750
 751 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 752 {
 753         GList *work;
 754         gint col;
 755         gint row;
 756         gint cw;
 757         gint ch;
 758         gint l;
 759         gint i;
 760         gint j;
 761
 762         pan_grid_clear(pw);
 763
 764         l = g_list_length(pw->list);
 765
 766         if (l < 1) return;
 767
 768         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 769         col = CLAMP(col, 1, l / grid_size + 1);
 770         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 771         if (row < 1) row = 1;
 772
 773         /* limit minimum size of grid so that a tile will always fit regardless of position */
 774         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 775         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 776
 777         row = row * 2 - 1;
 778         col = col * 2 - 1;
 779
 780         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 781
 782         for (j = 0; j < row; j++)
 783             for (i = 0; i < col; i++)
 784                 {
 785                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 786                         {
 787                         PanGrid *pg;
 788
 789                         pg = g_new0(PanGrid, 1);
 790                         pg->x = i * cw / 2;
 791                         pg->y = j * ch / 2;
 792                         pg->w = cw;
 793                         pg->h = ch;
 794
 795                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 796
 797                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 798                         }
 799                 }
 800
 801         work = pw->list;
 802         while (work)
 803                 {
 804                 PanItem *pi;
 805                 GList *grid;
 806
 807                 pi = static_cast<PanItem *>(work->data);
 808                 work = work->next;
 809
 810                 grid = pw->list_grid;
 811                 while (grid)
 812                         {
 813                         PanGrid *pg;
 814                         gint rx;
 815                         gint ry;
 816                         gint rw;
 817                         gint rh;
 818
 819                         pg = static_cast<PanGrid *>(grid->data);
 820                         grid = grid->next;
 821
 822                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 823                                              pg->x, pg->y, pg->w, pg->h,
 824                                              &rx, &ry, &rw, &rh))
 825                                 {
 826                                 pg->list = g_list_prepend(pg->list, pi);
 827                                 }
 828                         }
 829                 }
 830
 831         work = pw->list_grid;
 832         while (work)
 833                 {
 834                 PanGrid *pg;
 835
 836                 pg = static_cast<PanGrid *>(work->data);
 837                 work = work->next;
 838
 839                 pg->list = g_list_reverse(pg->list);
 840                 }
 841
 842         pw->list_static = pw->list;
 843         pw->list = nullptr;
 844 }
 845
 846
 847 /*
 848  *-----------------------------------------------------------------------------
 849  * layout state reset
 850  *-----------------------------------------------------------------------------
 851  */
 852
 853 static void pan_window_items_free(PanWindow *pw)
 854 {
 855         pan_grid_clear(pw);
 856
 857         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 858         pw->list = nullptr;
 859
 860         g_list_free(pw->queue);
 861         pw->queue = nullptr;
 862         pw->queue_pi = nullptr;
 863
 864         image_loader_free(pw->il);
 865         pw->il = nullptr;
 866
 867         thumb_loader_free(pw->tl);
 868         pw->tl = nullptr;
 869
 870         pw->click_pi = nullptr;
 871         pw->search_pi = nullptr;
 872 }
 873
 874
 875 /*
 876  *-----------------------------------------------------------------------------
 877  * layout generation, queries, sizing
 878  *-----------------------------------------------------------------------------
 879  */
 880
 881 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 882                                gint *width, gint *height,
 883                                gint *scroll_x, gint *scroll_y)
 884 {
 885         pan_window_items_free(pw);
 886
 887         switch (pw->size)
 888                 {
 889                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 890                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 891                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 892                         break;
 893                 case PAN_IMAGE_SIZE_THUMB_NONE:
 894                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 895                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 896                         break;
 897                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 898                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 899                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 900                         break;
 901                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 902                 default:
 903                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 904                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 905                         break;
 906                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 907                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 908                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 909                         break;
 910                 case PAN_IMAGE_SIZE_10:
 911                         pw->image_size = 10;
 912                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 913                         break;
 914                 case PAN_IMAGE_SIZE_25:
 915                         pw->image_size = 25;
 916                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 917                         break;
 918                 case PAN_IMAGE_SIZE_33:
 919                         pw->image_size = 33;
 920                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 921                         break;
 922                 case PAN_IMAGE_SIZE_50:
 923                         pw->image_size = 50;
 924                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 925                         break;
 926                 case PAN_IMAGE_SIZE_100:
 927                         pw->image_size = 100;
 928                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 929                         break;
 930                 }
 931
 932         *width = 0;
 933         *height = 0;
 934         *scroll_x = 0;
 935         *scroll_y = 0;
 936
 937         switch (pw->layout)
 938                 {
 939                 case PAN_LAYOUT_GRID:
 940                 default:
 941                         pan_grid_compute(pw, dir_fd, width, height);
 942                         break;
 943                 case PAN_LAYOUT_FOLDERS_LINEAR:
 944                         pan_folder_tree_compute(pw, dir_fd, width, height);
 945                         break;
 946                 case PAN_LAYOUT_FOLDERS_FLOWER:
 947                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 948                         break;
 949                 case PAN_LAYOUT_CALENDAR:
 950                         pan_calendar_compute(pw, dir_fd, width, height);
 951                         break;
 952                 case PAN_LAYOUT_TIMELINE:
 953                         pan_timeline_compute(pw, dir_fd, width, height);
 954                         break;
 955                 }
 956
 957         pan_cache_free(pw);
 958
 959         DEBUG_1("computed %d objects", g_list_length(pw->list));
 960 }
 961
 962 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 963                                      gint x, gint y, gint width, gint height)
 964 {
 965         GList *work;
 966
 967         work = item_list;
 968         while (work)
 969                 {
 970                 PanItem *pi;
 971                 gint rx;
 972                 gint ry;
 973                 gint rw;
 974                 gint rh;
 975
 976                 pi = static_cast<PanItem *>(work->data);
 977                 work = work->next;
 978
 979                 if (util_clip_region(x, y, width, height,
 980                                      pi->x, pi->y, pi->width, pi->height,
 981                                      &rx, &ry, &rw, &rh))
 982                         {
 983                         list = g_list_prepend(list, pi);
 984                         }
 985                 }
 986
 987         return list;
 988 }
 989
 990 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 991 {
 992         GList *list = nullptr;
 993         GList *grid;
 994         PanGrid *pg = nullptr;
 995
 996         grid = pw->list_grid;
 997         while (grid && !pg)
 998                 {
 999                 pg = static_cast<PanGrid *>(grid->data);
1000                 grid = grid->next;
1001
1002                 if (x < pg->x || x + width > pg->x + pg->w ||
1003                     y < pg->y || y + height > pg->y + pg->h)
1004                         {
1005                         pg = nullptr;
1006                         }
1007                 }
1008
1009         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1010
1011         if (pg)
1012                 {
1013                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1014                 }
1015         else
1016                 {
1017                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1018                 }
1019
1020         return list;
1021 }
1022
1023 void pan_layout_resize(PanWindow *pw)
1024 {
1025         gint width = 0;
1026         gint height = 0;
1027         GList *work;
1028         PixbufRenderer *pr;
1029
1030         work = pw->list;
1031         while (work)
1032                 {
1033                 PanItem *pi;
1034
1035                 pi = static_cast<PanItem *>(work->data);
1036                 work = work->next;
1037
1038                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1039                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1040                 }
1041         work = pw->list_static;
1042         while (work)
1043                 {
1044                 PanItem *pi;
1045
1046                 pi = static_cast<PanItem *>(work->data);
1047                 work = work->next;
1048
1049                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1050                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1051                 }
1052
1053         width += PAN_BOX_BORDER * 2;
1054         height += PAN_BOX_BORDER * 2;
1055
1056         pr = PIXBUF_RENDERER(pw->imd->pr);
1057         if (width < pr->window_width) width = pr->window_width;
1058         if (height < pr->window_width) height = pr->window_height;
1059
1060         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1061 }
1062
1063 static gint pan_layout_update_idle_cb(gpointer data)
1064 {
1065         auto pw = static_cast<PanWindow *>(data);
1066         gint width;
1067         gint height;
1068         gint scroll_x;
1069         gint scroll_y;
1070
1071         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1072             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1073                 {
1074                 if (!pw->cache_list && !pw->cache_todo)
1075                         {
1076                         pan_cache_fill(pw, pw->dir_fd);
1077                         if (pw->cache_todo)
1078                                 {
1079                                 pan_window_message(pw, _("Reading image data..."));
1080                                 return G_SOURCE_CONTINUE;
1081                                 }
1082                         }
1083                 if (pw->cache_todo)
1084                         {
1085                         pw->cache_count++;
1086                         pw->cache_tick++;
1087                         if (pw->cache_count == pw->cache_total)
1088                                 {
1089                                 pan_window_message(pw, _("Sorting..."));
1090                                 }
1091                         else if (pw->cache_tick > 9)
1092                                 {
1093                                 gchar *buf;
1094
1095                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1096                                                       pw->cache_count, pw->cache_total);
1097                                 pan_window_message(pw, buf);
1098                                 g_free(buf);
1099
1100                                 pw->cache_tick = 0;
1101                                 }
1102
1103                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1104
1105                         pw->idle_id = 0;
1106                         return G_SOURCE_REMOVE;
1107                         }
1108                 }
1109
1110         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1111
1112         pan_window_zoom_limit(pw);
1113
1114         if (width > 0 && height > 0)
1115                 {
1116                 gdouble align;
1117
1118                 DEBUG_1("Canvas size is %d x %d", width, height);
1119
1120                 pan_grid_build(pw, width, height, 1000);
1121
1122                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1123                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1124                                           pan_window_request_tile_cb,
1125                                           pan_window_dispose_tile_cb, pw, 1.0);
1126
1127                 if (scroll_x == 0 && scroll_y == 0)
1128                         {
1129                         align = 0.0;
1130                         }
1131                 else
1132                         {
1133                         align = 0.5;
1134                         }
1135                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1136                 }
1137
1138         pan_window_message(pw, nullptr);
1139
1140         pw->idle_id = 0;
1141         return G_SOURCE_REMOVE;
1142 }
1143
1144 static void pan_layout_update_idle(PanWindow *pw)
1145 {
1146         if (!pw->idle_id)
1147                 {
1148                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1149                 }
1150 }
1151
1152 void pan_layout_update(PanWindow *pw)
1153 {
1154         pan_window_message(pw, _("Sorting images..."));
1155         pan_layout_update_idle(pw);
1156 }
1157
1158 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1159 {
1160         if (!dir_fd) return;
1161
1162         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1163                 {
1164                 pan_warning_folder(dir_fd->path, pw->window);
1165                 return;
1166                 }
1167
1168         file_data_unref(pw->dir_fd);
1169         pw->dir_fd = file_data_ref(dir_fd);
1170
1171         pan_layout_update(pw);
1172 }
1173
1174
1175 /*
1176  *-----------------------------------------------------------------------------
1177  * keyboard handlers
1178  *-----------------------------------------------------------------------------
1179  */
1180
1181 FileData *pan_menu_click_fd(PanWindow *pw)
1182 {
1183         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1184         return nullptr;
1185 }
1186
1187 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1188 {
1189         auto pw = static_cast<PanWindow *>(data);
1190         PixbufRenderer *pr;
1191         FileData *fd;
1192         gboolean stop_signal = FALSE;
1193         GtkWidget *menu;
1194         GtkWidget *imd_widget;
1195         gint x = 0;
1196         gint y = 0;
1197         gint focused;
1198         gint on_entry;
1199
1200         pr = PIXBUF_RENDERER(pw->imd->pr);
1201         fd = pan_menu_click_fd(pw);
1202
1203         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1204         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1205         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1206                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1207                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1208
1209         if (focused)
1210                 {
1211                 stop_signal = TRUE;
1212                 switch (event->keyval)
1213                         {
1214                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1215                                 x -= 1;
1216                                 break;
1217                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1218                                 x += 1;
1219                                 break;
1220                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1221                                 y -= 1;
1222                                 break;
1223                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1224                                 y += 1;
1225                                 break;
1226                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1227                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1228                                 break;
1229                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1230                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1231                                 break;
1232                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1233                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1234                                 break;
1235                         case GDK_KEY_End: case GDK_KEY_KP_End:
1236                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1237                                 break;
1238                         default:
1239                                 stop_signal = FALSE;
1240                                 break;
1241                         }
1242
1243                 if (x != 0 || y!= 0)
1244                         {
1245                         if (event->state & GDK_SHIFT_MASK)
1246                                 {
1247                                 x *= 3;
1248                                 y *= 3;
1249                                 }
1250                         keyboard_scroll_calc(&x, &y, event);
1251                         pixbuf_renderer_scroll(pr, x, y);
1252                         }
1253                 }
1254
1255         if (stop_signal) return stop_signal;
1256
1257         if (event->state & GDK_CONTROL_MASK)
1258                 {
1259                 stop_signal = TRUE;
1260                 switch (event->keyval)
1261                         {
1262                         case '1':
1263                         case '2':
1264                         case '3':
1265                         case '4':
1266                         case '5':
1267                         case '6':
1268                         case '7':
1269                         case '8':
1270                         case '9':
1271                         case '0':
1272                                 break;
1273                         case 'C': case 'c':
1274                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1275                                 break;
1276                         case 'M': case 'm':
1277                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1278                                 break;
1279                         case 'R': case 'r':
1280                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1281                                 break;
1282                         case 'D': case 'd':
1283                                 if (fd)
1284                                         {
1285                                         options->file_ops.safe_delete_enable = TRUE;
1286                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1287                                         }
1288                                 break;
1289                         case 'F': case 'f':
1290                                 pan_search_toggle_visible(pw, TRUE);
1291                                 break;
1292                         case 'G': case 'g':
1293                                 pan_search_activate(pw);
1294                                 break;
1295                         case 'W': case 'w':
1296                                 pan_window_close(pw);
1297                                 break;
1298                         default:
1299                                 stop_signal = FALSE;
1300                                 break;
1301                         }
1302                 }
1303         else
1304                 {
1305                 stop_signal = TRUE;
1306                 switch (event->keyval)
1307                         {
1308                         case GDK_KEY_Escape:
1309                                 if (pw->fs)
1310                                         {
1311                                         pan_fullscreen_toggle(pw, TRUE);
1312                                         }
1313                                 else
1314                                         {
1315                                         pan_search_toggle_visible(pw, FALSE);
1316                                         }
1317                                 break;
1318                         default:
1319                                 stop_signal = FALSE;
1320                                 break;
1321                         }
1322
1323                 if (stop_signal) return stop_signal;
1324
1325                 // Don't steal characters from entry boxes.
1326                 if (!on_entry)
1327                         {
1328                         stop_signal = TRUE;
1329                         switch (event->keyval)
1330                                 {
1331                                 case '+': case '=': case GDK_KEY_KP_Add:
1332                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1333                                         break;
1334                                 case '-': case GDK_KEY_KP_Subtract:
1335                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1336                                         break;
1337                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1338                                         pixbuf_renderer_zoom_set(pr, 1.0);
1339                                         break;
1340                                 case '2':
1341                                         pixbuf_renderer_zoom_set(pr, 2.0);
1342                                         break;
1343                                 case '3':
1344                                         pixbuf_renderer_zoom_set(pr, 3.0);
1345                                         break;
1346                                 case '4':
1347                                         pixbuf_renderer_zoom_set(pr, 4.0);
1348                                         break;
1349                                 case '7':
1350                                         pixbuf_renderer_zoom_set(pr, -4.0);
1351                                         break;
1352                                 case '8':
1353                                         pixbuf_renderer_zoom_set(pr, -3.0);
1354                                         break;
1355                                 case '9':
1356                                         pixbuf_renderer_zoom_set(pr, -2.0);
1357                                         break;
1358                                 case 'F': case 'f':
1359                                 case 'V': case 'v':
1360                                 case GDK_KEY_F11:
1361                                         pan_fullscreen_toggle(pw, FALSE);
1362                                         break;
1363                                 case 'I': case 'i':
1364                                         break;
1365                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1366                                         break;
1367                                 case GDK_KEY_Menu:
1368                                 case GDK_KEY_F10:
1369                                         menu = pan_popup_menu(pw);
1370                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1371
1372                                         break;
1373                                 case '/':
1374                                         pan_search_toggle_visible(pw, TRUE);
1375                                         break;
1376                                         stop_signal = FALSE;
1377                                         break;
1378                                 }
1379                         }
1380                 }
1381         if (!stop_signal && is_help_key(event))
1382                 {
1383                 help_window_show("GuideOtherWindowsPanView.html");
1384                 stop_signal = TRUE;
1385                 }
1386
1387         return stop_signal;
1388 }
1389
1390 /*
1391  *-----------------------------------------------------------------------------
1392  * info popup
1393  *-----------------------------------------------------------------------------
1394  */
1395
1396 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1397 {
1398         GList *exif_list;
1399         gchar *text;
1400         gchar *title;
1401         gchar *key;
1402
1403         if (!fd) return;
1404
1405         exif_list = bar_pane_exif_list();
1406         while (exif_list)
1407                 {
1408                 title = static_cast<gchar *>(exif_list->data);
1409                 exif_list = exif_list->next;
1410                 key = static_cast<gchar *>(exif_list->data);
1411                 exif_list = exif_list->next;
1412
1413                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1414                 if (text && text[0] != '\0')
1415                         {
1416                         pan_text_alignment_add(ta, title, text);
1417                         }
1418
1419                 g_free(text);
1420                 }
1421
1422         g_list_free_full(exif_list, g_free);
1423 }
1424
1425
1426 void pan_info_update(PanWindow *pw, PanItem *pi)
1427 {
1428         PanTextAlignment *ta;
1429         PanItem *pbox;
1430         PanItem *p;
1431         gchar *buf;
1432         gint x1;
1433         gint y1;
1434         gint x2;
1435         gint y2;
1436         gint x3;
1437         gint y3;
1438         gint x;
1439         gint y;
1440         gint w;
1441         gint h;
1442
1443         if (pw->click_pi == pi) return;
1444         if (pi && !pi->fd) pi = nullptr;
1445
1446         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1447         pw->click_pi = pi;
1448
1449         if (!pi) return;
1450
1451         DEBUG_1("info set to %s", pi->fd->path);
1452
1453         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1454                                 PAN_POPUP_BORDER,
1455                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1456                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1457         pan_item_set_key(pbox, "info");
1458
1459         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1460                 {
1461                 w = gdk_pixbuf_get_width(pi->pixbuf);
1462                 h = gdk_pixbuf_get_height(pi->pixbuf);
1463
1464                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1465                 y1 = pi->y + (pi->height - h) / 2 + 8;
1466                 }
1467         else
1468                 {
1469                 x1 = pi->x + pi->width - 8;
1470                 y1 = pi->y + 8;
1471                 }
1472
1473         x2 = pbox->x + 1;
1474         y2 = pbox->y + 36;
1475         x3 = pbox->x + 1;
1476         y3 = pbox->y + 12;
1477         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1478                            &x, &y, &w, &h);
1479
1480         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1481                              x1, y1, x2, y2, x3, y3,
1482                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1483         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1484         pan_item_set_key(p, "info");
1485         pan_item_added(pw, p);
1486
1487         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1488
1489         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1490         buf = remove_level_from_path(pi->fd->path);
1491         pan_text_alignment_add(ta, _("Location:"), buf);
1492         g_free(buf);
1493         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1494         buf = text_from_size(pi->fd->size);
1495         pan_text_alignment_add(ta, _("Size:"), buf);
1496         g_free(buf);
1497
1498         if (pw->info_includes_exif)
1499                 {
1500                 pan_info_add_exif(ta, pi->fd);
1501                 }
1502
1503         pan_text_alignment_calc(ta, pbox);
1504         pan_text_alignment_free(ta);
1505
1506         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1507         pan_item_added(pw, pbox);
1508
1509         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1510                 {
1511                 gint iw;
1512                 gint ih;
1513                 if (image_load_dimensions(pi->fd, &iw, &ih))
1514                         {
1515                         gint scale = 25;
1516
1517                         switch (pw->info_image_size)
1518                                 {
1519                                 case PAN_IMAGE_SIZE_10:
1520                                         scale = 10;
1521                                         break;
1522                                 case PAN_IMAGE_SIZE_25:
1523                                         scale = 25;
1524                                         break;
1525                                 case PAN_IMAGE_SIZE_33:
1526                                         scale = 33;
1527                                         break;
1528                                 case PAN_IMAGE_SIZE_50:
1529                                         scale = 50;
1530                                         break;
1531                                 case PAN_IMAGE_SIZE_100:
1532                                         scale = 100;
1533                                         break;
1534                                 }
1535
1536                         iw = MAX(1, iw * scale / 100);
1537                         ih = MAX(1, ih * scale / 100);
1538
1539                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1540                                                 PAN_POPUP_BORDER,
1541                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1542                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1543                         pan_item_set_key(pbox, "info");
1544
1545                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1546                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1547                         pan_item_set_key(p, "info");
1548                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1549
1550                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1551                         pan_item_added(pw, pbox);
1552                         }
1553                 }
1554
1555         pan_layout_resize(pw);
1556 }
1557
1558
1559 /*
1560  *-----------------------------------------------------------------------------
1561  * main window
1562  *-----------------------------------------------------------------------------
1563  */
1564
1565 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1566 {
1567         auto pw = static_cast<PanWindow *>(data);
1568         PanItem *pi = nullptr;
1569         GtkWidget *menu;
1570         gint rx;
1571         gint ry;
1572
1573         rx = ry = 0;
1574         if (pr->scale)
1575                 {
1576                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1577                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1578                 }
1579
1580         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1581         if (pi && event->button == MOUSE_BUTTON_LEFT)
1582                 {
1583                 pan_info_update(pw, nullptr);
1584                 return;
1585                 }
1586
1587         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1588                                     rx, ry, nullptr);
1589
1590         switch (event->button)
1591                 {
1592                 case MOUSE_BUTTON_LEFT:
1593                         pan_info_update(pw, pi);
1594
1595                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1596                                 {
1597                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1598                                 pan_calendar_update(pw, pi);
1599                                 }
1600                         break;
1601                 case MOUSE_BUTTON_MIDDLE:
1602                         break;
1603                 case MOUSE_BUTTON_RIGHT:
1604                         pan_info_update(pw, pi);
1605                         menu = pan_popup_menu(pw);
1606                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1607                         break;
1608                 default:
1609                         break;
1610                 }
1611 }
1612
1613 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1614 {
1615         gint w;
1616         gint h;
1617
1618         w = pr->vis_width;
1619         h = pr->vis_height;
1620
1621         if (!(event->state & GDK_SHIFT_MASK))
1622                 {
1623                 w /= 3;
1624                 h /= 3;
1625                 }
1626
1627         if (event->state & GDK_CONTROL_MASK)
1628                 {
1629                 switch (event->direction)
1630                         {
1631                         case GDK_SCROLL_UP:
1632                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1633                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1634                                 break;
1635                         case GDK_SCROLL_DOWN:
1636                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1637                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1638                                 break;
1639                         default:
1640                                 break;
1641                         }
1642                 }
1643         else
1644                 {
1645                 switch (event->direction)
1646                         {
1647                         case GDK_SCROLL_UP:
1648                                 pixbuf_renderer_scroll(pr, 0, -h);
1649                                 break;
1650                         case GDK_SCROLL_DOWN:
1651                                 pixbuf_renderer_scroll(pr, 0, h);
1652                                 break;
1653                         case GDK_SCROLL_LEFT:
1654                                 pixbuf_renderer_scroll(pr, -w, 0);
1655                                 break;
1656                         case GDK_SCROLL_RIGHT:
1657                                 pixbuf_renderer_scroll(pr, w, 0);
1658                                 break;
1659                         default:
1660                                 break;
1661                         }
1662                 }
1663 }
1664
1665 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1666 {
1667         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1668                          G_CALLBACK(button_cb), pw);
1669         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1670                          G_CALLBACK(scroll_cb), pw);
1671 }
1672
1673 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1674 {
1675         auto pw = static_cast<PanWindow *>(data);
1676
1677         pw->fs = nullptr;
1678         pw->imd = pw->imd_normal;
1679 }
1680
1681 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1682 {
1683         if (force_off && !pw->fs) return;
1684
1685         if (pw->fs)
1686                 {
1687                 fullscreen_stop(pw->fs);
1688                 }
1689         else
1690                 {
1691                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1692                 pan_image_set_buttons(pw, pw->fs->imd);
1693                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1694                                  G_CALLBACK(pan_window_key_press_cb), pw);
1695
1696                 pw->imd = pw->fs->imd;
1697                 }
1698 }
1699
1700 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1701 {
1702         auto pw = static_cast<PanWindow *>(data);
1703         gchar *text;
1704
1705         text = image_zoom_get_as_text(pw->imd);
1706         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1707         g_free(text);
1708 }
1709
1710 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1711 {
1712         auto pw = static_cast<PanWindow *>(data);
1713         GtkAdjustment *adj;
1714         GdkRectangle rect;
1715         gint width;
1716         gint height;
1717
1718         if (pr->scale == 0.0) return;
1719
1720         pixbuf_renderer_get_visible_rect(pr, &rect);
1721         pixbuf_renderer_get_image_size(pr, &width, &height);
1722
1723         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1724         gtk_adjustment_set_page_size(adj, rect.width);
1725         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1726         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1727         gtk_adjustment_set_lower(adj, 0.0);
1728         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1729         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1730
1731         pref_signal_block_data(pw->scrollbar_h, pw);
1732         pref_signal_unblock_data(pw->scrollbar_h, pw);
1733
1734         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1735         gtk_adjustment_set_page_size(adj, rect.height);
1736         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1737         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1738         gtk_adjustment_set_lower(adj, 0.0);
1739         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1740         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1741
1742         pref_signal_block_data(pw->scrollbar_v, pw);
1743         pref_signal_unblock_data(pw->scrollbar_v, pw);
1744 }
1745
1746 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1747 {
1748         auto pw = static_cast<PanWindow *>(data);
1749         PixbufRenderer *pr;
1750         gint x;
1751
1752         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1753
1754         if (!pr->scale) return;
1755
1756         x = static_cast<gint>(gtk_range_get_value(range));
1757
1758         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1759 }
1760
1761 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1762 {
1763         auto pw = static_cast<PanWindow *>(data);
1764         PixbufRenderer *pr;
1765         gint y;
1766
1767         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1768
1769         if (!pr->scale) return;
1770
1771         y = static_cast<gint>(gtk_range_get_value(range));
1772
1773         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1774 }
1775
1776 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1777 {
1778         auto pw = static_cast<PanWindow *>(data);
1779
1780         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1781         pan_layout_update(pw);
1782 }
1783
1784 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1785 {
1786         auto pw = static_cast<PanWindow *>(data);
1787
1788         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1789         pan_layout_update(pw);
1790 }
1791
1792 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1793 {
1794         auto pw = static_cast<PanWindow *>(data);
1795         gchar *path;
1796
1797         path = remove_trailing_slash(new_text);
1798         parse_out_relatives(path);
1799
1800         if (!isdir(path))
1801                 {
1802                 warning_dialog(_("Folder not found"),
1803                                _("The entered path is not a folder"),
1804                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1805                 }
1806         else
1807                 {
1808                 FileData *dir_fd = file_data_new_dir(path);
1809                 tab_completion_append_to_history(pw->path_entry, path);
1810
1811                 pan_layout_set_fd(pw, dir_fd);
1812                 file_data_unref(dir_fd);
1813                 }
1814
1815         g_free(path);
1816 }
1817
1818 static void pan_window_close(PanWindow *pw)
1819 {
1820         pan_window_list = g_list_remove(pan_window_list, pw);
1821
1822         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1823         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1824         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1825
1826         if (pw->idle_id)
1827                 {
1828                 g_source_remove(pw->idle_id);
1829                 }
1830
1831         pan_fullscreen_toggle(pw, TRUE);
1832         pan_search_ui_destroy(&pw->search_ui);
1833         pan_filter_ui_destroy(&pw->filter_ui);
1834         gq_gtk_widget_destroy(pw->window);
1835
1836         pan_window_items_free(pw);
1837         pan_cache_free(pw);
1838
1839         file_data_unref(pw->dir_fd);
1840
1841         g_free(pw);
1842 }
1843
1844 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1845 {
1846         auto pw = static_cast<PanWindow *>(data);
1847
1848         pan_window_close(pw);
1849         return TRUE;
1850 }
1851
1852 static void pan_window_new_real(FileData *dir_fd)
1853 {
1854         PanWindow *pw;
1855         GtkWidget *vbox;
1856         GtkWidget *box;
1857         GtkWidget *combo;
1858         GtkWidget *hbox;
1859         GtkWidget *frame;
1860         GtkWidget *table;
1861         GdkGeometry geometry;
1862
1863         pw = g_new0(PanWindow, 1);
1864
1865         pw->dir_fd = file_data_ref(dir_fd);
1866         pw->layout = PAN_LAYOUT_TIMELINE;
1867         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1868         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1869         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1870
1871         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1872                 {
1873                 pw->exif_date_enable = FALSE;
1874                 }
1875         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1876                 {
1877                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1878                 }
1879         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1880                 {
1881                 pw->info_includes_exif = TRUE;
1882                 }
1883
1884         pw->ignore_symlinks = TRUE;
1885
1886         pw->idle_id = 0;
1887
1888         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1889         DEBUG_NAME(pw->window);
1890
1891         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1892         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1893         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1894
1895         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1896         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1897
1898         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1899         DEBUG_NAME(vbox);
1900         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1901         gtk_widget_show(vbox);
1902
1903         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1904
1905         pref_spacer(box, 0);
1906         pref_label_new(box, _("Location:"));
1907         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1908                                                 pan_window_entry_activate_cb, pw);
1909         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1910         gtk_widget_show(combo);
1911
1912         combo = gtk_combo_box_text_new();
1913         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1914         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1915         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1916         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1917         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1918
1919         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1920         g_signal_connect(G_OBJECT(combo), "changed",
1921                          G_CALLBACK(pan_window_layout_change_cb), pw);
1922         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1923         gtk_widget_show(combo);
1924
1925         combo = gtk_combo_box_text_new();
1926         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1927         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1928         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1929         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1930         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1931         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1932         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1933         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1934         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1935         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1936
1937         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1938         g_signal_connect(G_OBJECT(combo), "changed",
1939                          G_CALLBACK(pan_window_layout_size_cb), pw);
1940         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1941         gtk_widget_show(combo);
1942
1943         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1944         gtk_grid_set_row_spacing(GTK_GRID(table), 2);
1945         gtk_grid_set_column_spacing(GTK_GRID(table), 2);
1946
1947         pw->imd = image_new(TRUE);
1948         pw->imd_normal = pw->imd;
1949
1950         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1951                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1952         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1953                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1954
1955         gq_gtk_grid_attach(GTK_GRID(table), pw->imd->widget, 0, 1, 0, 1, static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1956         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1957
1958         pan_window_dnd_init(pw);
1959
1960         pan_image_set_buttons(pw, pw->imd);
1961
1962         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1963         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1964                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1965         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_h, 0, 1, 1, 2,  static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(0), 0, 0);
1966         gtk_widget_show(pw->scrollbar_h);
1967
1968         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1969         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1970                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1971         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_v, 1, 2, 0, 1,  static_cast<GtkAttachOptions>(0), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1972         gtk_widget_show(pw->scrollbar_v);
1973
1974         /* find bar */
1975
1976         pw->search_ui = pan_search_ui_new(pw);
1977         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1978
1979     /* filter bar */
1980     pw->filter_ui = pan_filter_ui_new(pw);
1981     gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1982
1983         /* status bar */
1984
1985         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1986
1987         frame = gtk_frame_new(nullptr);
1988         DEBUG_NAME(frame);
1989         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1990         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1991         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1992         gtk_widget_show(frame);
1993
1994         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1995         gtk_container_add(GTK_CONTAINER(frame), hbox);
1996         gtk_widget_show(hbox);
1997
1998         pref_spacer(hbox, 0);
1999         pw->label_message = pref_label_new(hbox, "");
2000
2001         frame = gtk_frame_new(nullptr);
2002         DEBUG_NAME(frame);
2003         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2004         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2005         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2006         gtk_widget_show(frame);
2007
2008         pw->label_zoom = gtk_label_new("");
2009         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2010         gtk_widget_show(pw->label_zoom);
2011
2012         // Add the "Find" button to the status bar area.
2013         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2014         gtk_widget_show(pw->search_ui->search_button);
2015
2016         // Add the "Filter" button to the status bar area.
2017         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2018         gtk_widget_show(pw->filter_ui->filter_button);
2019
2020         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2021                          G_CALLBACK(pan_window_delete_cb), pw);
2022         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2023                          G_CALLBACK(pan_window_key_press_cb), pw);
2024
2025         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2026
2027         pan_layout_update(pw);
2028
2029         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2030         gtk_widget_show(pw->window);
2031
2032         pan_window_list = g_list_append(pan_window_list, pw);
2033 }
2034
2035 /*
2036  *-----------------------------------------------------------------------------
2037  * performance warnings
2038  *-----------------------------------------------------------------------------
2039  */
2040
2041 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2042 {
2043         auto dir_fd = static_cast<FileData *>(data);
2044
2045         generic_dialog_close(gd);
2046
2047         pan_window_new_real(dir_fd);
2048         file_data_unref(dir_fd);
2049 }
2050
2051 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2052 {
2053         gboolean hide_dlg;
2054
2055         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2056         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2057 }
2058
2059 static gboolean pan_warning(FileData *dir_fd)
2060 {
2061         GenericDialog *gd;
2062         GtkWidget *box;
2063         GtkWidget *group;
2064         GtkWidget *checkbox;
2065         GtkWidget *ct_button;
2066         gboolean hide_dlg;
2067
2068         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2069                 {
2070                 pan_warning_folder(dir_fd->path, nullptr);
2071                 return TRUE;
2072                 }
2073
2074         if (options->thumbnails.enable_caching &&
2075             options->thumbnails.spec_standard) return FALSE;
2076
2077         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2078         if (hide_dlg) return FALSE;
2079
2080         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2081                                 nullptr, nullptr);
2082         gd->data = file_data_ref(dir_fd);
2083         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2084                                   pan_warning_ok_cb, TRUE);
2085
2086         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2087                                          _("Pan view performance may be poor."),
2088                                          _("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);
2089
2090         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2091         pref_spacer(group, PREF_PAD_INDENT);
2092         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2093
2094         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2095                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2096         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2097                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2098         pref_checkbox_link_sensitivity(ct_button, checkbox);
2099
2100         pref_line(box, 0);
2101
2102         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2103                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2104
2105         gtk_widget_show(gd->dialog);
2106
2107         return TRUE;
2108 }
2109
2110
2111 /*
2112  *-----------------------------------------------------------------------------
2113  * entry point
2114  *-----------------------------------------------------------------------------
2115  */
2116
2117 void pan_window_new(FileData *dir_fd)
2118 {
2119         if (pan_warning(dir_fd)) return;
2120
2121         pan_window_new_real(dir_fd);
2122 }
2123
2124
2125 /*
2126  *-----------------------------------------------------------------------------
2127  * menus
2128  *-----------------------------------------------------------------------------
2129  */
2130
2131 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2132
2133
2134 static void pan_new_window_cb(GtkWidget *, gpointer data)
2135 {
2136         auto pw = static_cast<PanWindow *>(data);
2137         FileData *fd;
2138
2139         fd = pan_menu_click_fd(pw);
2140         if (fd)
2141                 {
2142                 pan_fullscreen_toggle(pw, TRUE);
2143                 view_window_new(fd);
2144                 }
2145 }
2146
2147 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2148 {
2149         LayoutWindow *lw = nullptr;
2150         auto pw = static_cast<PanWindow *>(data);
2151         FileData *fd;
2152
2153         if (!layout_valid(&lw)) return;
2154
2155         fd = pan_menu_click_fd(pw);
2156         if (fd)
2157                 {
2158                 layout_set_fd(lw, fd);
2159                 }
2160 }
2161
2162 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2163 {
2164         PanWindow *pw;
2165         FileData *fd;
2166         auto key = static_cast<const gchar *>(data);
2167
2168         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2169         if (!pw) return;
2170
2171         fd = pan_menu_click_fd(pw);
2172         if (fd)
2173                 {
2174                 if (!editor_window_flag_set(key))
2175                         {
2176                         pan_fullscreen_toggle(pw, TRUE);
2177                         }
2178                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2179                 }
2180 }
2181
2182 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2183 {
2184         auto pw = static_cast<PanWindow *>(data);
2185
2186         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2187 }
2188
2189 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2190 {
2191         auto pw = static_cast<PanWindow *>(data);
2192
2193         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2194 }
2195
2196 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2197 {
2198         auto pw = static_cast<PanWindow *>(data);
2199
2200         image_zoom_set(pw->imd, 1.0);
2201 }
2202
2203 static void pan_copy_cb(GtkWidget *, gpointer data)
2204 {
2205         auto pw = static_cast<PanWindow *>(data);
2206         FileData *fd;
2207
2208         fd = pan_menu_click_fd(pw);
2209         if (fd) file_util_copy(fd, nullptr, nullptr, pw->imd->widget);
2210 }
2211
2212 static void pan_move_cb(GtkWidget *, gpointer data)
2213 {
2214         auto pw = static_cast<PanWindow *>(data);
2215         FileData *fd;
2216
2217         fd = pan_menu_click_fd(pw);
2218         if (fd) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2219 }
2220
2221 static void pan_rename_cb(GtkWidget *, gpointer data)
2222 {
2223         auto pw = static_cast<PanWindow *>(data);
2224         FileData *fd;
2225
2226         fd = pan_menu_click_fd(pw);
2227         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2228 }
2229
2230 static void pan_delete_cb(GtkWidget *, gpointer data)
2231 {
2232         auto pw = static_cast<PanWindow *>(data);
2233         FileData *fd;
2234
2235         fd = pan_menu_click_fd(pw);
2236         if (fd)
2237                 {
2238                 options->file_ops.safe_delete_enable = FALSE;
2239                 file_util_delete(fd, nullptr, pw->imd->widget);
2240                 }
2241 }
2242
2243 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2244 {
2245         auto pw = static_cast<PanWindow *>(data);
2246         FileData *fd;
2247
2248         fd = pan_menu_click_fd(pw);
2249         if (fd)
2250                 {
2251                 options->file_ops.safe_delete_enable = TRUE;
2252                 file_util_delete(fd, nullptr, pw->imd->widget);
2253                 }
2254 }
2255
2256 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2257 {
2258         auto pw = static_cast<PanWindow *>(data);
2259         FileData *fd;
2260
2261         fd = pan_menu_click_fd(pw);
2262         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2263 }
2264
2265 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2266 {
2267         auto pw = static_cast<PanWindow *>(data);
2268         FileData *fd;
2269
2270         fd = pan_menu_click_fd(pw);
2271         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2272 }
2273
2274 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2275 {
2276         auto pw = static_cast<PanWindow *>(data);
2277
2278         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2279         pan_layout_update(pw);
2280 }
2281
2282 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2283 {
2284         auto pw = static_cast<PanWindow *>(data);
2285
2286         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2287         /** @FIXME sync info now */
2288 }
2289
2290 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2291 {
2292         auto pw = static_cast<PanWindow *>(data);
2293
2294         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2295         /** @FIXME sync info now */
2296 }
2297
2298 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2299 {
2300         auto pw = static_cast<PanWindow *>(data);
2301
2302         pan_fullscreen_toggle(pw, FALSE);
2303 }
2304
2305 static void pan_close_cb(GtkWidget *, gpointer data)
2306 {
2307         auto pw = static_cast<PanWindow *>(data);
2308
2309         pan_window_close(pw);
2310 }
2311
2312 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2313 {
2314         auto editmenu_fd_list = static_cast<GList *>(data);
2315
2316         filelist_free(editmenu_fd_list);
2317 }
2318
2319 static void pan_play_cb(GtkWidget *, gpointer data)
2320 {
2321         auto pw = static_cast<PanWindow *>(data);
2322
2323         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2324 }
2325
2326 static GList *pan_view_get_fd_list(PanWindow *pw)
2327 {
2328         GList *list = nullptr;
2329         FileData *fd = pan_menu_click_fd(pw);
2330
2331         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2332
2333         return list;
2334 }
2335
2336 /**
2337  * @brief Add file selection list to a collection
2338  * @param[in] widget
2339  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2340  *
2341  *
2342  */
2343 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2344 {
2345         PanWindow *pw;
2346         GList *selection_list = nullptr;
2347
2348         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2349         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2350         pop_menu_collections(selection_list, data);
2351
2352         filelist_free(selection_list);
2353 }
2354
2355 static GtkWidget *pan_popup_menu(PanWindow *pw)
2356 {
2357         GtkWidget *menu;
2358         GtkWidget *submenu;
2359         GtkWidget *item;
2360         gboolean active;
2361         gboolean video;
2362         GList *editmenu_fd_list;
2363         GtkAccelGroup *accel_group;
2364
2365         active = (pw->click_pi != nullptr);
2366         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2367
2368         menu = popup_menu_short_lived();
2369         accel_group = gtk_accel_group_new();
2370         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2371
2372         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2373         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2374
2375         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2376                             G_CALLBACK(pan_play_cb), pw);
2377         menu_item_add_divider(menu);
2378
2379         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2380                             G_CALLBACK(pan_zoom_in_cb), pw);
2381         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2382                             G_CALLBACK(pan_zoom_out_cb), pw);
2383         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2384                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2385         menu_item_add_divider(menu);
2386
2387         editmenu_fd_list = pan_view_get_fd_list(pw);
2388         g_signal_connect(G_OBJECT(menu), "destroy",
2389                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2390
2391         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2392         gtk_widget_set_sensitive(item, active);
2393
2394         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2395                                       G_CALLBACK(pan_new_window_cb), pw);
2396         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2397                         G_CALLBACK(pan_go_to_original_cb), pw);
2398
2399         menu_item_add_divider(menu);
2400         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2401                                       G_CALLBACK(pan_copy_cb), pw);
2402         menu_item_add_sensitive(menu, _("_Move..."), active,
2403                                 G_CALLBACK(pan_move_cb), pw);
2404         menu_item_add_sensitive(menu, _("_Rename..."), active,
2405                                 G_CALLBACK(pan_rename_cb), pw);
2406         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2407                                 G_CALLBACK(pan_copy_path_cb), pw);
2408         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2409                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2410
2411         menu_item_add_divider(menu);
2412         menu_item_add_icon_sensitive(menu,
2413                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2414                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2415                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2416         menu_item_add_icon_sensitive(menu,
2417                                 options->file_ops.confirm_delete ? _("_Delete...") :
2418                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2419                                                 G_CALLBACK(pan_delete_cb), pw);
2420
2421         menu_item_add_divider(menu);
2422
2423         submenu = submenu_add_collections(menu, &item,
2424                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2425         gtk_widget_set_sensitive(item, TRUE);
2426         menu_item_add_divider(menu);
2427
2428
2429         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2430                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2431         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2432
2433         menu_item_add_divider(menu);
2434
2435         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2436                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2437         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2438         submenu = gtk_menu_new();
2439         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2440
2441         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2442                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2443         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2444
2445         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2446                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2447         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2448
2449         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2450                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2451         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2452
2453         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2454                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2455         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2456
2457         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2458                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2459         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2460
2461         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2462                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2463         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2464
2465
2466
2467         menu_item_add_divider(menu);
2468
2469         if (pw->fs)
2470                 {
2471                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2472                 }
2473         else
2474                 {
2475                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2476                 }
2477
2478         menu_item_add_divider(menu);
2479         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2480
2481         return menu;
2482 }
2483
2484
2485 /*
2486  *-----------------------------------------------------------------------------
2487  * drag and drop
2488  *-----------------------------------------------------------------------------
2489  */
2490
2491 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2492                                     gint, gint,
2493                                     GtkSelectionData *selection_data, guint info,
2494                                     guint, gpointer data)
2495 {
2496         auto pw = static_cast<PanWindow *>(data);
2497
2498         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2499
2500         if (info == TARGET_URI_LIST)
2501                 {
2502                 GList *list;
2503
2504                 list = uri_filelist_from_gtk_selection_data(selection_data);
2505                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2506                         {
2507                         auto fd = static_cast<FileData *>(list->data);
2508
2509                         pan_layout_set_fd(pw, fd);
2510                         }
2511
2512                 filelist_free(list);
2513                 }
2514 }
2515
2516 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2517                                     GtkSelectionData *selection_data, guint,
2518                                     guint, gpointer data)
2519 {
2520         auto pw = static_cast<PanWindow *>(data);
2521         FileData *fd;
2522
2523         fd = pan_menu_click_fd(pw);
2524         if (fd)
2525                 {
2526                 GList *list;
2527
2528                 list = g_list_append(nullptr, fd);
2529                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2530                 g_list_free(list);
2531                 }
2532         else
2533                 {
2534                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2535                                        8, nullptr, 0);
2536                 }
2537 }
2538
2539 static void pan_window_dnd_init(PanWindow *pw)
2540 {
2541         GtkWidget *widget;
2542
2543         widget = pw->imd->pr;
2544
2545         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2546                             dnd_file_drag_types, dnd_file_drag_types_count,
2547                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2548         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2549                          G_CALLBACK(pan_window_set_dnd_data), pw);
2550
2551         gtk_drag_dest_set(widget,
2552                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2553                           dnd_file_drop_types, dnd_file_drop_types_count,
2554                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2555         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2556                          G_CALLBACK(pan_window_get_dnd_data), pw);
2557 }
2558
2559 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */