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 "options.h"
  53 #include "pan-calendar.h"
  54 #include "pan-folder.h"
  55 #include "pan-grid.h"
  56 #include "pan-item.h"
  57 #include "pan-timeline.h"
  58 #include "pan-types.h"
  59 #include "pan-util.h"
  60 #include "pan-view-filter.h"
  61 #include "pan-view-search.h"
  62 #include "pixbuf-renderer.h"
  63 #include "pixbuf-util.h"
  64 #include "thumb.h"
  65 #include "ui-fileops.h"
  66 #include "ui-menu.h"
  67 #include "ui-misc.h"
  68 #include "ui-tabcomp.h"
  69 #include "ui-utildlg.h"
  70 #include "uri-utils.h"
  71 #include "utilops.h"
  72 #include "window.h"
  73
  74 namespace
  75 {
  76
  77 constexpr gint PAN_WINDOW_DEFAULT_WIDTH = 720;
  78 constexpr gint PAN_WINDOW_DEFAULT_HEIGHT = 500;
  79
  80 constexpr gint PAN_TILE_SIZE = 512;
  81
  82 constexpr gdouble ZOOM_INCREMENT = 1.0;
  83 constexpr gint ZOOM_LABEL_WIDTH = 64;
  84
  85 constexpr gint PAN_GRID_SIZE = 60;
  86 constexpr gint PAN_GRID_ALPHA = 20;
  87 #define PAN_GRID_COLOR 0, 0, 0, PAN_GRID_ALPHA
  88
  89 #define PAN_BACKGROUND_COLOR 150, 150, 150, 255
  90
  91 /* popup info box */
  92 constexpr gint PAN_POPUP_BORDER = 1;
  93 constexpr guint8 PAN_POPUP_ALPHA = 255;
  94 constexpr PanColor PAN_POPUP_COLOR{255, 255, 225, PAN_POPUP_ALPHA};
  95 constexpr PanColor PAN_POPUP_BORDER_COLOR{0, 0, 0, PAN_POPUP_ALPHA};
  96
  97 } // namespace
  98
  99 #define PAN_PREF_GROUP          "pan_view_options"
 100 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
 101 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
 102 #define PAN_PREF_INFO_IMAGE     "info_image_size"
 103 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
 104
 105
 106 static GList *pan_window_list = nullptr;
 107
 108
 109 static void pan_layout_update_idle(PanWindow *pw);
 110
 111 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
 112
 113 static void pan_window_close(PanWindow *pw);
 114
 115 static GtkWidget *pan_popup_menu(PanWindow *pw);
 116
 117 static void pan_window_dnd_init(PanWindow *pw);
 118
 119 /**
 120  * This array must be kept in sync with the contents of:\n
 121  * @link pan_window_key_press_cb @endlink \n
 122  * @link pan_popup_menu @endlink
 123  *
 124  * See also @link hard_coded_window_keys @endlink
 125  **/
 126 hard_coded_window_keys pan_view_window_keys[] = {
 127         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 128         {GDK_CONTROL_MASK, 'M', N_("Move")},
 129         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 130         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 131         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 132         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 133         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 134         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 135         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 136         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 137         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 138         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 139         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 140         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 141         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 142         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 143         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 144         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 145         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 146         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 147         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 148         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 149         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 150         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 151         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 152         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 153         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 154         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 155         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 156         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 157         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 158         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 159         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 160         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 161         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 162         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 163         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 164         {static_cast<GdkModifierType>(0), 0, nullptr}
 165 };
 166
 167 /*
 168  *-----------------------------------------------------------------------------
 169  * the image/thumb loader queue
 170  *-----------------------------------------------------------------------------
 171  */
 172
 173 static gboolean pan_queue_step(PanWindow *pw);
 174
 175
 176 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 177 {
 178         auto pw = static_cast<PanWindow *>(data);
 179
 180         if (pw->queue_pi)
 181                 {
 182                 PanItem *pi;
 183                 gint rc;
 184
 185                 pi = pw->queue_pi;
 186                 pw->queue_pi = nullptr;
 187
 188                 pi->queued = FALSE;
 189
 190                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 191                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 192
 193                 rc = pi->refcount;
 194                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 195                 pi->refcount = rc;
 196                 }
 197
 198         thumb_loader_free(pw->tl);
 199         pw->tl = nullptr;
 200
 201         while (pan_queue_step(pw));
 202 }
 203
 204 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 205 {
 206         auto pw = static_cast<PanWindow *>(data);
 207         GdkPixbuf *rotated = nullptr;
 208
 209         if (pw->queue_pi)
 210                 {
 211                 PanItem *pi;
 212                 gint rc;
 213
 214                 pi = pw->queue_pi;
 215                 pw->queue_pi = nullptr;
 216
 217                 pi->queued = FALSE;
 218
 219                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 220                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 221
 222                 if (pi->pixbuf && options->image.exif_rotate_enable)
 223                         {
 224                         if (!il->fd->exif_orientation)
 225                                 {
 226                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 227                                         {
 228                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 229                                         }
 230                                 else
 231                                         {
 232                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 233                                         }
 234                                 }
 235
 236                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 237                                 {
 238                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 239                                 pi->pixbuf = rotated;
 240                                 }
 241                         }
 242
 243                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 244
 245                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 246                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 247                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 248                         {
 249                         GdkPixbuf *tmp;
 250
 251                         tmp = pi->pixbuf;
 252                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 253                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 254                         g_object_unref(tmp);
 255                         }
 256
 257                 rc = pi->refcount;
 258                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 259                 pi->refcount = rc;
 260                 }
 261
 262         image_loader_free(pw->il);
 263         pw->il = nullptr;
 264
 265         while (pan_queue_step(pw));
 266 }
 267
 268 static gboolean pan_queue_step(PanWindow *pw)
 269 {
 270         PanItem *pi;
 271
 272         if (!pw->queue) return FALSE;
 273
 274         pi = static_cast<PanItem *>(pw->queue->data);
 275         pw->queue = g_list_remove(pw->queue, pi);
 276         pw->queue_pi = pi;
 277
 278         if (!pw->queue_pi->fd)
 279                 {
 280                 pw->queue_pi->queued = FALSE;
 281                 pw->queue_pi = nullptr;
 282                 return TRUE;
 283                 }
 284
 285         image_loader_free(pw->il);
 286         pw->il = nullptr;
 287         thumb_loader_free(pw->tl);
 288         pw->tl = nullptr;
 289
 290         if (pi->type == PAN_ITEM_IMAGE)
 291                 {
 292                 pw->il = image_loader_new(pi->fd);
 293
 294                 if (pw->size != PAN_IMAGE_SIZE_100)
 295                         {
 296                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 297                         }
 298
 299                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 300                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 301
 302                 if (image_loader_start(pw->il)) return FALSE;
 303
 304                 image_loader_free(pw->il);
 305                 pw->il = nullptr;
 306                 }
 307         else if (pi->type == PAN_ITEM_THUMB)
 308                 {
 309                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 310
 311                 if (!pw->tl->standard_loader)
 312                         {
 313                         /* The classic loader will recreate a thumbnail any time we
 314                          * request a different size than what exists. This view will
 315                          * almost never use the user configured sizes so disable cache.
 316                          */
 317                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 318                         }
 319
 320                 thumb_loader_set_callbacks(pw->tl,
 321                                            pan_queue_thumb_done_cb,
 322                                            pan_queue_thumb_done_cb,
 323                                            nullptr, pw);
 324
 325                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 326
 327                 thumb_loader_free(pw->tl);
 328                 pw->tl = nullptr;
 329                 }
 330
 331         pw->queue_pi->queued = FALSE;
 332         pw->queue_pi = nullptr;
 333         return TRUE;
 334 }
 335
 336 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 337 {
 338         if (!pi || pi->queued || pi->pixbuf) return;
 339         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 340             (!pi->key || strcmp(pi->key, "info") != 0) )
 341                 {
 342                 return;
 343                 }
 344
 345         pi->queued = TRUE;
 346         pw->queue = g_list_prepend(pw->queue, pi);
 347
 348         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 349 }
 350
 351
 352 /*
 353  *-----------------------------------------------------------------------------
 354  * tile request/dispose handlers
 355  *-----------------------------------------------------------------------------
 356  */
 357
 358 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 359                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 360 {
 361         auto pw = static_cast<PanWindow *>(data);
 362         GList *list;
 363         GList *work;
 364         gint i;
 365
 366         pixbuf_set_rect_fill(pixbuf,
 367                              0, 0, width, height,
 368                              PAN_BACKGROUND_COLOR);
 369
 370         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 371                 {
 372                 gint rx;
 373                 gint ry;
 374                 gint rw;
 375                 gint rh;
 376
 377                 if (util_clip_region(x, y, width, height,
 378                                      i, y, 1, height,
 379                                      &rx, &ry, &rw, &rh))
 380                         {
 381                         pixbuf_draw_rect_fill(pixbuf,
 382                                               rx - x, ry - y, rw, rh,
 383                                               PAN_GRID_COLOR);
 384                         }
 385                 }
 386         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 387                 {
 388                 gint rx;
 389                 gint ry;
 390                 gint rw;
 391                 gint rh;
 392
 393                 if (util_clip_region(x, y, width, height,
 394                                      x, i, width, 1,
 395                                      &rx, &ry, &rw, &rh))
 396                         {
 397                         pixbuf_draw_rect_fill(pixbuf,
 398                                               rx - x, ry - y, rw, rh,
 399                                               PAN_GRID_COLOR);
 400                         }
 401                 }
 402
 403         list = pan_layout_intersect(pw, x, y, width, height);
 404         work = list;
 405         while (work)
 406                 {
 407                 PanItem *pi;
 408                 gboolean queue = FALSE;
 409
 410                 pi = static_cast<PanItem *>(work->data);
 411                 work = work->next;
 412
 413                 pi->refcount++;
 414
 415                 switch (pi->type)
 416                         {
 417                         case PAN_ITEM_BOX:
 418                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 419                                 break;
 420                         case PAN_ITEM_TRIANGLE:
 421                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 422                                 break;
 423                         case PAN_ITEM_TEXT:
 424                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 425                                 break;
 426                         case PAN_ITEM_THUMB:
 427                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 428                                 break;
 429                         case PAN_ITEM_IMAGE:
 430                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 431                                 break;
 432                         case PAN_ITEM_NONE:
 433                         default:
 434                                 break;
 435                         }
 436
 437                 if (queue) pan_queue_add(pw, pi);
 438                 }
 439
 440         g_list_free(list);
 441
 442         return TRUE;
 443 }
 444
 445 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 446                                        gint width, gint height, GdkPixbuf *, gpointer data)
 447 {
 448         auto pw = static_cast<PanWindow *>(data);
 449         GList *list;
 450         GList *work;
 451
 452         list = pan_layout_intersect(pw, x, y, width, height);
 453         work = list;
 454         while (work)
 455                 {
 456                 PanItem *pi;
 457
 458                 pi = static_cast<PanItem *>(work->data);
 459                 work = work->next;
 460
 461                 if (pi->refcount > 0)
 462                         {
 463                         pi->refcount--;
 464
 465                         if (pi->refcount == 0)
 466                                 {
 467                                 if (pi->queued)
 468                                         {
 469                                         pw->queue = g_list_remove(pw->queue, pi);
 470                                         pi->queued = FALSE;
 471                                         }
 472                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 473                                 if (pi->pixbuf)
 474                                         {
 475                                         g_object_unref(pi->pixbuf);
 476                                         pi->pixbuf = nullptr;
 477                                         }
 478                                 }
 479                         }
 480                 }
 481
 482         g_list_free(list);
 483 }
 484
 485
 486 /*
 487  *-----------------------------------------------------------------------------
 488  * misc
 489  *-----------------------------------------------------------------------------
 490  */
 491
 492 static void pan_window_message(PanWindow *pw, const gchar *text)
 493 {
 494         GList *work;
 495         gint count = 0;
 496         gint64 size = 0;
 497         gchar *ss;
 498         gchar *buf;
 499
 500         if (text)
 501                 {
 502                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 503                 return;
 504                 }
 505
 506         work = pw->list_static;
 507         if (pw->layout == PAN_LAYOUT_CALENDAR)
 508                 {
 509                 while (work)
 510                         {
 511                         PanItem *pi;
 512
 513                         pi = static_cast<PanItem *>(work->data);
 514                         work = work->next;
 515
 516                         if (pi->fd &&
 517                             pi->type == PAN_ITEM_BOX &&
 518                             pi->key && strcmp(pi->key, "dot") == 0)
 519                                 {
 520                                 size += pi->fd->size;
 521                                 count++;
 522                                 }
 523                         }
 524                 }
 525         else
 526                 {
 527                 while (work)
 528                         {
 529                         PanItem *pi;
 530
 531                         pi = static_cast<PanItem *>(work->data);
 532                         work = work->next;
 533
 534                         if (pi->fd &&
 535                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 536                                 {
 537                                 size += pi->fd->size;
 538                                 count++;
 539                                 }
 540                         }
 541                 }
 542
 543         ss = text_from_size_abrev(size);
 544         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 545         g_free(ss);
 546         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 547         g_free(buf);
 548 }
 549
 550 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 551 {
 552         gchar *message;
 553
 554         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 555         warning_dialog(_("Folder not supported"), message,
 556                       GQ_ICON_DIALOG_INFO, parent);
 557         g_free(message);
 558 }
 559
 560 static void pan_window_zoom_limit(PanWindow *pw)
 561 {
 562         gdouble min;
 563
 564         switch (pw->size)
 565                 {
 566                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 567                 case PAN_IMAGE_SIZE_THUMB_NONE:
 568                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 569                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 570 #if 0
 571                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 572                         min = -16.0;
 573                         break;
 574 #endif
 575                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 576                         min = -6.0;
 577                         break;
 578                 case PAN_IMAGE_SIZE_10:
 579                 case PAN_IMAGE_SIZE_25:
 580                         min = -4.0;
 581                         break;
 582                 case PAN_IMAGE_SIZE_33:
 583                 case PAN_IMAGE_SIZE_50:
 584                 case PAN_IMAGE_SIZE_100:
 585                 default:
 586                         min = -2.0;
 587                         break;
 588                 }
 589
 590         image_zoom_set_limits(pw->imd, min, 32.0);
 591 }
 592
 593
 594 /*
 595  *-----------------------------------------------------------------------------
 596  * cache
 597  *-----------------------------------------------------------------------------
 598  */
 599
 600 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 601 {
 602         auto pca = static_cast<PanCacheData *>(a);
 603         auto pcb = static_cast<PanCacheData *>(b);
 604         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 605 }
 606 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 607 {
 608         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 609 }
 610
 611
 612 static void pan_cache_free(PanWindow *pw)
 613 {
 614         g_list_free_full(pw->cache_list, [](gpointer data)
 615                 {
 616                 auto pc = static_cast<PanCacheData *>(data);
 617                 cache_sim_data_free(pc->cd);
 618                 file_data_unref(pc->fd);
 619                 g_free(pc);
 620                 });
 621         pw->cache_list = nullptr;
 622
 623         filelist_free(pw->cache_todo);
 624         pw->cache_todo = nullptr;
 625
 626         pw->cache_count = 0;
 627         pw->cache_total = 0;
 628         pw->cache_tick = 0;
 629
 630         cache_loader_free(pw->cache_cl);
 631         pw->cache_cl = nullptr;
 632 }
 633
 634 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 635 {
 636         GList *list;
 637
 638         pan_cache_free(pw);
 639
 640         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 641         pw->cache_todo = g_list_reverse(list);
 642
 643         pw->cache_total = g_list_length(pw->cache_todo);
 644 }
 645
 646 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 647 {
 648         auto pw = static_cast<PanWindow *>(data);
 649
 650         if (pw->cache_list)
 651                 {
 652                 PanCacheData *pc;
 653                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 654
 655                 if (!pc->cd)
 656                         {
 657                         pc->cd = cl->cd;
 658                         cl->cd = nullptr;
 659                         }
 660                 }
 661
 662         cache_loader_free(cl);
 663         pw->cache_cl = nullptr;
 664
 665         pan_layout_update_idle(pw);
 666 }
 667
 668 static gboolean pan_cache_step(PanWindow *pw)
 669 {
 670         FileData *fd;
 671         PanCacheData *pc;
 672         CacheDataType load_mask;
 673
 674         if (!pw->cache_todo) return TRUE;
 675
 676         fd = static_cast<FileData *>(pw->cache_todo->data);
 677         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 678
 679         pc = g_new0(PanCacheData, 1);
 680         pc->fd = file_data_ref(fd);
 681
 682         pc->cd = nullptr;
 683
 684         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 685
 686         cache_loader_free(pw->cache_cl);
 687
 688         load_mask = CACHE_LOADER_NONE;
 689         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 690         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 691         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 692                                         pan_cache_step_done_cb, pw);
 693         return (pw->cache_cl == nullptr);
 694 }
 695
 696 /* This sync date function is optimized for lists with a common sort */
 697 void pan_cache_sync_date(PanWindow *pw, GList *list)
 698 {
 699         GList *haystack;
 700         GList *work;
 701
 702         haystack = g_list_copy(pw->cache_list);
 703
 704         work = list;
 705         while (work)
 706                 {
 707                 FileData *fd;
 708                 GList *needle;
 709
 710                 fd = static_cast<FileData *>(work->data);
 711                 work = work->next;
 712
 713                 needle = haystack;
 714                 while (needle)
 715                         {
 716                         PanCacheData *pc;
 717
 718                         pc = static_cast<PanCacheData *>(needle->data);
 719                         if (pc->fd == fd)
 720                                 {
 721                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 722                                         {
 723                                         fd->date = pc->cd->date;
 724                                         }
 725
 726                                 haystack = g_list_delete_link(haystack, needle);
 727                                 needle = nullptr;
 728                                 }
 729                         else
 730                                 {
 731                                 needle = needle->next;
 732                                 }
 733                         }
 734                 }
 735
 736         g_list_free(haystack);
 737 }
 738
 739 /*
 740  *-----------------------------------------------------------------------------
 741  * item grid
 742  *-----------------------------------------------------------------------------
 743  */
 744
 745 static void pan_grid_clear(PanWindow *pw)
 746 {
 747         g_list_free_full(pw->list_grid, [](gpointer data)
 748                 {
 749                 auto pg = static_cast<PanGrid *>(data);
 750                 g_list_free(pg->list);
 751                 g_free(pg);
 752                 });
 753         pw->list_grid = nullptr;
 754
 755         pw->list = g_list_concat(pw->list, pw->list_static);
 756         pw->list_static = nullptr;
 757 }
 758
 759 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 760 {
 761         GList *work;
 762         gint col;
 763         gint row;
 764         gint cw;
 765         gint ch;
 766         gint l;
 767         gint i;
 768         gint j;
 769
 770         pan_grid_clear(pw);
 771
 772         l = g_list_length(pw->list);
 773
 774         if (l < 1) return;
 775
 776         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 777         col = CLAMP(col, 1, l / grid_size + 1);
 778         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 779         if (row < 1) row = 1;
 780
 781         /* limit minimum size of grid so that a tile will always fit regardless of position */
 782         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 783         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 784
 785         row = row * 2 - 1;
 786         col = col * 2 - 1;
 787
 788         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 789
 790         for (j = 0; j < row; j++)
 791             for (i = 0; i < col; i++)
 792                 {
 793                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 794                         {
 795                         PanGrid *pg;
 796
 797                         pg = g_new0(PanGrid, 1);
 798                         pg->x = i * cw / 2;
 799                         pg->y = j * ch / 2;
 800                         pg->w = cw;
 801                         pg->h = ch;
 802
 803                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 804
 805                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 806                         }
 807                 }
 808
 809         work = pw->list;
 810         while (work)
 811                 {
 812                 PanItem *pi;
 813                 GList *grid;
 814
 815                 pi = static_cast<PanItem *>(work->data);
 816                 work = work->next;
 817
 818                 grid = pw->list_grid;
 819                 while (grid)
 820                         {
 821                         PanGrid *pg;
 822                         gint rx;
 823                         gint ry;
 824                         gint rw;
 825                         gint rh;
 826
 827                         pg = static_cast<PanGrid *>(grid->data);
 828                         grid = grid->next;
 829
 830                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 831                                              pg->x, pg->y, pg->w, pg->h,
 832                                              &rx, &ry, &rw, &rh))
 833                                 {
 834                                 pg->list = g_list_prepend(pg->list, pi);
 835                                 }
 836                         }
 837                 }
 838
 839         work = pw->list_grid;
 840         while (work)
 841                 {
 842                 PanGrid *pg;
 843
 844                 pg = static_cast<PanGrid *>(work->data);
 845                 work = work->next;
 846
 847                 pg->list = g_list_reverse(pg->list);
 848                 }
 849
 850         pw->list_static = pw->list;
 851         pw->list = nullptr;
 852 }
 853
 854
 855 /*
 856  *-----------------------------------------------------------------------------
 857  * layout state reset
 858  *-----------------------------------------------------------------------------
 859  */
 860
 861 static void pan_window_items_free(PanWindow *pw)
 862 {
 863         pan_grid_clear(pw);
 864
 865         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 866         pw->list = nullptr;
 867
 868         g_list_free(pw->queue);
 869         pw->queue = nullptr;
 870         pw->queue_pi = nullptr;
 871
 872         image_loader_free(pw->il);
 873         pw->il = nullptr;
 874
 875         thumb_loader_free(pw->tl);
 876         pw->tl = nullptr;
 877
 878         pw->click_pi = nullptr;
 879         pw->search_pi = nullptr;
 880 }
 881
 882
 883 /*
 884  *-----------------------------------------------------------------------------
 885  * layout generation, queries, sizing
 886  *-----------------------------------------------------------------------------
 887  */
 888
 889 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 890                                gint *width, gint *height,
 891                                gint *scroll_x, gint *scroll_y)
 892 {
 893         pan_window_items_free(pw);
 894
 895         switch (pw->size)
 896                 {
 897                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 898                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 899                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 900                         break;
 901                 case PAN_IMAGE_SIZE_THUMB_NONE:
 902                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 903                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 904                         break;
 905                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 906                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 907                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 908                         break;
 909                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 910                 default:
 911                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 912                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 913                         break;
 914                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 915                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 916                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 917                         break;
 918                 case PAN_IMAGE_SIZE_10:
 919                         pw->image_size = 10;
 920                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 921                         break;
 922                 case PAN_IMAGE_SIZE_25:
 923                         pw->image_size = 25;
 924                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 925                         break;
 926                 case PAN_IMAGE_SIZE_33:
 927                         pw->image_size = 33;
 928                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 929                         break;
 930                 case PAN_IMAGE_SIZE_50:
 931                         pw->image_size = 50;
 932                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 933                         break;
 934                 case PAN_IMAGE_SIZE_100:
 935                         pw->image_size = 100;
 936                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 937                         break;
 938                 }
 939
 940         *width = 0;
 941         *height = 0;
 942         *scroll_x = 0;
 943         *scroll_y = 0;
 944
 945         switch (pw->layout)
 946                 {
 947                 case PAN_LAYOUT_GRID:
 948                 default:
 949                         pan_grid_compute(pw, dir_fd, width, height);
 950                         break;
 951                 case PAN_LAYOUT_FOLDERS_LINEAR:
 952                         pan_folder_tree_compute(pw, dir_fd, width, height);
 953                         break;
 954                 case PAN_LAYOUT_FOLDERS_FLOWER:
 955                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 956                         break;
 957                 case PAN_LAYOUT_CALENDAR:
 958                         pan_calendar_compute(pw, dir_fd, width, height);
 959                         break;
 960                 case PAN_LAYOUT_TIMELINE:
 961                         pan_timeline_compute(pw, dir_fd, width, height);
 962                         break;
 963                 }
 964
 965         pan_cache_free(pw);
 966
 967         DEBUG_1("computed %d objects", g_list_length(pw->list));
 968 }
 969
 970 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 971                                      gint x, gint y, gint width, gint height)
 972 {
 973         GList *work;
 974
 975         work = item_list;
 976         while (work)
 977                 {
 978                 PanItem *pi;
 979                 gint rx;
 980                 gint ry;
 981                 gint rw;
 982                 gint rh;
 983
 984                 pi = static_cast<PanItem *>(work->data);
 985                 work = work->next;
 986
 987                 if (util_clip_region(x, y, width, height,
 988                                      pi->x, pi->y, pi->width, pi->height,
 989                                      &rx, &ry, &rw, &rh))
 990                         {
 991                         list = g_list_prepend(list, pi);
 992                         }
 993                 }
 994
 995         return list;
 996 }
 997
 998 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 999 {
1000         GList *list = nullptr;
1001         GList *grid;
1002         PanGrid *pg = nullptr;
1003
1004         grid = pw->list_grid;
1005         while (grid && !pg)
1006                 {
1007                 pg = static_cast<PanGrid *>(grid->data);
1008                 grid = grid->next;
1009
1010                 if (x < pg->x || x + width > pg->x + pg->w ||
1011                     y < pg->y || y + height > pg->y + pg->h)
1012                         {
1013                         pg = nullptr;
1014                         }
1015                 }
1016
1017         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1018
1019         if (pg)
1020                 {
1021                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1022                 }
1023         else
1024                 {
1025                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1026                 }
1027
1028         return list;
1029 }
1030
1031 void pan_layout_resize(PanWindow *pw)
1032 {
1033         gint width = 0;
1034         gint height = 0;
1035         GList *work;
1036         PixbufRenderer *pr;
1037
1038         work = pw->list;
1039         while (work)
1040                 {
1041                 PanItem *pi;
1042
1043                 pi = static_cast<PanItem *>(work->data);
1044                 work = work->next;
1045
1046                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1047                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1048                 }
1049         work = pw->list_static;
1050         while (work)
1051                 {
1052                 PanItem *pi;
1053
1054                 pi = static_cast<PanItem *>(work->data);
1055                 work = work->next;
1056
1057                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1058                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1059                 }
1060
1061         width += PAN_BOX_BORDER * 2;
1062         height += PAN_BOX_BORDER * 2;
1063
1064         pr = PIXBUF_RENDERER(pw->imd->pr);
1065         if (width < pr->window_width) width = pr->window_width;
1066         if (height < pr->window_width) height = pr->window_height;
1067
1068         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1069 }
1070
1071 static gint pan_layout_update_idle_cb(gpointer data)
1072 {
1073         auto pw = static_cast<PanWindow *>(data);
1074         gint width;
1075         gint height;
1076         gint scroll_x;
1077         gint scroll_y;
1078
1079         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1080             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1081                 {
1082                 if (!pw->cache_list && !pw->cache_todo)
1083                         {
1084                         pan_cache_fill(pw, pw->dir_fd);
1085                         if (pw->cache_todo)
1086                                 {
1087                                 pan_window_message(pw, _("Reading image data..."));
1088                                 return G_SOURCE_CONTINUE;
1089                                 }
1090                         }
1091                 if (pw->cache_todo)
1092                         {
1093                         pw->cache_count++;
1094                         pw->cache_tick++;
1095                         if (pw->cache_count == pw->cache_total)
1096                                 {
1097                                 pan_window_message(pw, _("Sorting..."));
1098                                 }
1099                         else if (pw->cache_tick > 9)
1100                                 {
1101                                 gchar *buf;
1102
1103                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1104                                                       pw->cache_count, pw->cache_total);
1105                                 pan_window_message(pw, buf);
1106                                 g_free(buf);
1107
1108                                 pw->cache_tick = 0;
1109                                 }
1110
1111                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1112
1113                         pw->idle_id = 0;
1114                         return G_SOURCE_REMOVE;
1115                         }
1116                 }
1117
1118         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1119
1120         pan_window_zoom_limit(pw);
1121
1122         if (width > 0 && height > 0)
1123                 {
1124                 gdouble align;
1125
1126                 DEBUG_1("Canvas size is %d x %d", width, height);
1127
1128                 pan_grid_build(pw, width, height, 1000);
1129
1130                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1131                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1132                                           pan_window_request_tile_cb,
1133                                           pan_window_dispose_tile_cb, pw, 1.0);
1134
1135                 if (scroll_x == 0 && scroll_y == 0)
1136                         {
1137                         align = 0.0;
1138                         }
1139                 else
1140                         {
1141                         align = 0.5;
1142                         }
1143                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1144                 }
1145
1146         pan_window_message(pw, nullptr);
1147
1148         pw->idle_id = 0;
1149         return G_SOURCE_REMOVE;
1150 }
1151
1152 static void pan_layout_update_idle(PanWindow *pw)
1153 {
1154         if (!pw->idle_id)
1155                 {
1156                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1157                 }
1158 }
1159
1160 void pan_layout_update(PanWindow *pw)
1161 {
1162         pan_window_message(pw, _("Sorting images..."));
1163         pan_layout_update_idle(pw);
1164 }
1165
1166 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1167 {
1168         if (!dir_fd) return;
1169
1170         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1171                 {
1172                 pan_warning_folder(dir_fd->path, pw->window);
1173                 return;
1174                 }
1175
1176         file_data_unref(pw->dir_fd);
1177         pw->dir_fd = file_data_ref(dir_fd);
1178
1179         pan_layout_update(pw);
1180 }
1181
1182
1183 /*
1184  *-----------------------------------------------------------------------------
1185  * keyboard handlers
1186  *-----------------------------------------------------------------------------
1187  */
1188
1189 FileData *pan_menu_click_fd(PanWindow *pw)
1190 {
1191         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1192         return nullptr;
1193 }
1194
1195 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1196 {
1197         auto pw = static_cast<PanWindow *>(data);
1198         PixbufRenderer *pr;
1199         FileData *fd;
1200         gboolean stop_signal = FALSE;
1201         GtkWidget *menu;
1202         GtkWidget *imd_widget;
1203         gint x = 0;
1204         gint y = 0;
1205         gint focused;
1206         gint on_entry;
1207
1208         pr = PIXBUF_RENDERER(pw->imd->pr);
1209         fd = pan_menu_click_fd(pw);
1210
1211         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1212         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1213         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1214                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1215                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1216
1217         if (focused)
1218                 {
1219                 stop_signal = TRUE;
1220                 switch (event->keyval)
1221                         {
1222                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1223                                 x -= 1;
1224                                 break;
1225                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1226                                 x += 1;
1227                                 break;
1228                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1229                                 y -= 1;
1230                                 break;
1231                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1232                                 y += 1;
1233                                 break;
1234                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1235                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1236                                 break;
1237                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1238                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1239                                 break;
1240                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1241                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1242                                 break;
1243                         case GDK_KEY_End: case GDK_KEY_KP_End:
1244                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1245                                 break;
1246                         default:
1247                                 stop_signal = FALSE;
1248                                 break;
1249                         }
1250
1251                 if (x != 0 || y!= 0)
1252                         {
1253                         if (event->state & GDK_SHIFT_MASK)
1254                                 {
1255                                 x *= 3;
1256                                 y *= 3;
1257                                 }
1258                         keyboard_scroll_calc(&x, &y, event);
1259                         pixbuf_renderer_scroll(pr, x, y);
1260                         }
1261                 }
1262
1263         if (stop_signal) return stop_signal;
1264
1265         if (event->state & GDK_CONTROL_MASK)
1266                 {
1267                 stop_signal = TRUE;
1268                 switch (event->keyval)
1269                         {
1270                         case '1':
1271                         case '2':
1272                         case '3':
1273                         case '4':
1274                         case '5':
1275                         case '6':
1276                         case '7':
1277                         case '8':
1278                         case '9':
1279                         case '0':
1280                                 break;
1281                         case 'C': case 'c':
1282                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1283                                 break;
1284                         case 'M': case 'm':
1285                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1286                                 break;
1287                         case 'R': case 'r':
1288                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1289                                 break;
1290                         case 'D': case 'd':
1291                                 if (fd)
1292                                         {
1293                                         options->file_ops.safe_delete_enable = TRUE;
1294                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1295                                         }
1296                                 break;
1297                         case 'F': case 'f':
1298                                 pan_search_toggle_visible(pw, TRUE);
1299                                 break;
1300                         case 'G': case 'g':
1301                                 pan_search_activate(pw);
1302                                 break;
1303                         case 'W': case 'w':
1304                                 pan_window_close(pw);
1305                                 break;
1306                         default:
1307                                 stop_signal = FALSE;
1308                                 break;
1309                         }
1310                 }
1311         else
1312                 {
1313                 stop_signal = TRUE;
1314                 switch (event->keyval)
1315                         {
1316                         case GDK_KEY_Escape:
1317                                 if (pw->fs)
1318                                         {
1319                                         pan_fullscreen_toggle(pw, TRUE);
1320                                         }
1321                                 else
1322                                         {
1323                                         pan_search_toggle_visible(pw, FALSE);
1324                                         }
1325                                 break;
1326                         default:
1327                                 stop_signal = FALSE;
1328                                 break;
1329                         }
1330
1331                 if (stop_signal) return stop_signal;
1332
1333                 // Don't steal characters from entry boxes.
1334                 if (!on_entry)
1335                         {
1336                         stop_signal = TRUE;
1337                         switch (event->keyval)
1338                                 {
1339                                 case '+': case '=': case GDK_KEY_KP_Add:
1340                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1341                                         break;
1342                                 case '-': case GDK_KEY_KP_Subtract:
1343                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1344                                         break;
1345                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1346                                         pixbuf_renderer_zoom_set(pr, 1.0);
1347                                         break;
1348                                 case '2':
1349                                         pixbuf_renderer_zoom_set(pr, 2.0);
1350                                         break;
1351                                 case '3':
1352                                         pixbuf_renderer_zoom_set(pr, 3.0);
1353                                         break;
1354                                 case '4':
1355                                         pixbuf_renderer_zoom_set(pr, 4.0);
1356                                         break;
1357                                 case '7':
1358                                         pixbuf_renderer_zoom_set(pr, -4.0);
1359                                         break;
1360                                 case '8':
1361                                         pixbuf_renderer_zoom_set(pr, -3.0);
1362                                         break;
1363                                 case '9':
1364                                         pixbuf_renderer_zoom_set(pr, -2.0);
1365                                         break;
1366                                 case 'F': case 'f':
1367                                 case 'V': case 'v':
1368                                 case GDK_KEY_F11:
1369                                         pan_fullscreen_toggle(pw, FALSE);
1370                                         break;
1371                                 case 'I': case 'i':
1372                                         break;
1373                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1374                                         break;
1375                                 case GDK_KEY_Menu:
1376                                 case GDK_KEY_F10:
1377                                         menu = pan_popup_menu(pw);
1378                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1379
1380                                         break;
1381                                 case '/':
1382                                         pan_search_toggle_visible(pw, TRUE);
1383                                         break;
1384                                         stop_signal = FALSE;
1385                                         break;
1386                                 }
1387                         }
1388                 }
1389         if (!stop_signal && is_help_key(event))
1390                 {
1391                 help_window_show("GuideOtherWindowsPanView.html");
1392                 stop_signal = TRUE;
1393                 }
1394
1395         return stop_signal;
1396 }
1397
1398 /*
1399  *-----------------------------------------------------------------------------
1400  * info popup
1401  *-----------------------------------------------------------------------------
1402  */
1403
1404 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1405 {
1406         GList *exif_list;
1407         gchar *text;
1408         gchar *title;
1409         gchar *key;
1410
1411         if (!fd) return;
1412
1413         exif_list = bar_pane_exif_list();
1414         while (exif_list)
1415                 {
1416                 title = static_cast<gchar *>(exif_list->data);
1417                 exif_list = exif_list->next;
1418                 key = static_cast<gchar *>(exif_list->data);
1419                 exif_list = exif_list->next;
1420
1421                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1422                 if (text && text[0] != '\0')
1423                         {
1424                         pan_text_alignment_add(ta, title, text);
1425                         }
1426
1427                 g_free(text);
1428                 }
1429
1430         g_list_free_full(exif_list, g_free);
1431 }
1432
1433
1434 void pan_info_update(PanWindow *pw, PanItem *pi)
1435 {
1436         PanTextAlignment *ta;
1437         PanItem *pbox;
1438         PanItem *p;
1439         gchar *buf;
1440         gint x1;
1441         gint y1;
1442         gint x2;
1443         gint y2;
1444         gint x3;
1445         gint y3;
1446         gint x;
1447         gint y;
1448         gint w;
1449         gint h;
1450
1451         if (pw->click_pi == pi) return;
1452         if (pi && !pi->fd) pi = nullptr;
1453
1454         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1455         pw->click_pi = pi;
1456
1457         if (!pi) return;
1458
1459         DEBUG_1("info set to %s", pi->fd->path);
1460
1461         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1462                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
1463         pan_item_set_key(pbox, "info");
1464
1465         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1466                 {
1467                 w = gdk_pixbuf_get_width(pi->pixbuf);
1468                 h = gdk_pixbuf_get_height(pi->pixbuf);
1469
1470                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1471                 y1 = pi->y + (pi->height - h) / 2 + 8;
1472                 }
1473         else
1474                 {
1475                 x1 = pi->x + pi->width - 8;
1476                 y1 = pi->y + 8;
1477                 }
1478
1479         x2 = pbox->x + 1;
1480         y2 = pbox->y + 36;
1481         x3 = pbox->x + 1;
1482         y3 = pbox->y + 12;
1483         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1484                            x, y, w, h);
1485
1486         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1487                              x1, y1, x2, y2, x3, y3,
1488                              PAN_POPUP_COLOR);
1489         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR);
1490         pan_item_set_key(p, "info");
1491         pan_item_added(pw, p);
1492
1493         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1494
1495         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1496         buf = remove_level_from_path(pi->fd->path);
1497         pan_text_alignment_add(ta, _("Location:"), buf);
1498         g_free(buf);
1499         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1500         buf = text_from_size(pi->fd->size);
1501         pan_text_alignment_add(ta, _("Size:"), buf);
1502         g_free(buf);
1503
1504         if (pw->info_includes_exif)
1505                 {
1506                 pan_info_add_exif(ta, pi->fd);
1507                 }
1508
1509         pan_text_alignment_calc(ta, pbox);
1510         pan_text_alignment_free(ta);
1511
1512         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1513         pan_item_added(pw, pbox);
1514
1515         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1516                 {
1517                 gint iw;
1518                 gint ih;
1519                 if (image_load_dimensions(pi->fd, &iw, &ih))
1520                         {
1521                         gint scale = 25;
1522
1523                         switch (pw->info_image_size)
1524                                 {
1525                                 case PAN_IMAGE_SIZE_10:
1526                                         scale = 10;
1527                                         break;
1528                                 case PAN_IMAGE_SIZE_25:
1529                                         scale = 25;
1530                                         break;
1531                                 case PAN_IMAGE_SIZE_33:
1532                                         scale = 33;
1533                                         break;
1534                                 case PAN_IMAGE_SIZE_50:
1535                                         scale = 50;
1536                                         break;
1537                                 case PAN_IMAGE_SIZE_100:
1538                                         scale = 100;
1539                                         break;
1540                                 }
1541
1542                         iw = MAX(1, iw * scale / 100);
1543                         ih = MAX(1, ih * scale / 100);
1544
1545                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1546                                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
1547                         pan_item_set_key(pbox, "info");
1548
1549                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1550                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1551                         pan_item_set_key(p, "info");
1552                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1553
1554                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1555                         pan_item_added(pw, pbox);
1556                         }
1557                 }
1558
1559         pan_layout_resize(pw);
1560 }
1561
1562
1563 /*
1564  *-----------------------------------------------------------------------------
1565  * main window
1566  *-----------------------------------------------------------------------------
1567  */
1568
1569 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1570 {
1571         auto pw = static_cast<PanWindow *>(data);
1572         PanItem *pi = nullptr;
1573         GtkWidget *menu;
1574         gint rx;
1575         gint ry;
1576
1577         rx = ry = 0;
1578         if (pr->scale)
1579                 {
1580                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1581                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1582                 }
1583
1584         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1585         if (pi && event->button == MOUSE_BUTTON_LEFT)
1586                 {
1587                 pan_info_update(pw, nullptr);
1588                 return;
1589                 }
1590
1591         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1592                                     rx, ry, nullptr);
1593
1594         switch (event->button)
1595                 {
1596                 case MOUSE_BUTTON_LEFT:
1597                         pan_info_update(pw, pi);
1598
1599                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1600                                 {
1601                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1602                                 pan_calendar_update(pw, pi);
1603                                 }
1604                         break;
1605                 case MOUSE_BUTTON_MIDDLE:
1606                         break;
1607                 case MOUSE_BUTTON_RIGHT:
1608                         pan_info_update(pw, pi);
1609                         menu = pan_popup_menu(pw);
1610                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1611                         break;
1612                 default:
1613                         break;
1614                 }
1615 }
1616
1617 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1618 {
1619         gint w;
1620         gint h;
1621
1622         w = pr->vis_width;
1623         h = pr->vis_height;
1624
1625         if (!(event->state & GDK_SHIFT_MASK))
1626                 {
1627                 w /= 3;
1628                 h /= 3;
1629                 }
1630
1631         if (event->state & GDK_CONTROL_MASK)
1632                 {
1633                 switch (event->direction)
1634                         {
1635                         case GDK_SCROLL_UP:
1636                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1637                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1638                                 break;
1639                         case GDK_SCROLL_DOWN:
1640                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1641                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1642                                 break;
1643                         default:
1644                                 break;
1645                         }
1646                 }
1647         else
1648                 {
1649                 switch (event->direction)
1650                         {
1651                         case GDK_SCROLL_UP:
1652                                 pixbuf_renderer_scroll(pr, 0, -h);
1653                                 break;
1654                         case GDK_SCROLL_DOWN:
1655                                 pixbuf_renderer_scroll(pr, 0, h);
1656                                 break;
1657                         case GDK_SCROLL_LEFT:
1658                                 pixbuf_renderer_scroll(pr, -w, 0);
1659                                 break;
1660                         case GDK_SCROLL_RIGHT:
1661                                 pixbuf_renderer_scroll(pr, w, 0);
1662                                 break;
1663                         default:
1664                                 break;
1665                         }
1666                 }
1667 }
1668
1669 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1670 {
1671         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1672                          G_CALLBACK(button_cb), pw);
1673         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1674                          G_CALLBACK(scroll_cb), pw);
1675 }
1676
1677 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1678 {
1679         auto pw = static_cast<PanWindow *>(data);
1680
1681         pw->fs = nullptr;
1682         pw->imd = pw->imd_normal;
1683 }
1684
1685 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1686 {
1687         if (force_off && !pw->fs) return;
1688
1689         if (pw->fs)
1690                 {
1691                 fullscreen_stop(pw->fs);
1692                 }
1693         else
1694                 {
1695                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1696                 pan_image_set_buttons(pw, pw->fs->imd);
1697                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1698                                  G_CALLBACK(pan_window_key_press_cb), pw);
1699
1700                 pw->imd = pw->fs->imd;
1701                 }
1702 }
1703
1704 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1705 {
1706         auto pw = static_cast<PanWindow *>(data);
1707         gchar *text;
1708
1709         text = image_zoom_get_as_text(pw->imd);
1710         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1711         g_free(text);
1712 }
1713
1714 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1715 {
1716         auto pw = static_cast<PanWindow *>(data);
1717         GtkAdjustment *adj;
1718         GdkRectangle rect;
1719         gint width;
1720         gint height;
1721
1722         if (pr->scale == 0.0) return;
1723
1724         pixbuf_renderer_get_visible_rect(pr, &rect);
1725         pixbuf_renderer_get_image_size(pr, &width, &height);
1726
1727         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1728         gtk_adjustment_set_page_size(adj, rect.width);
1729         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1730         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1731         gtk_adjustment_set_lower(adj, 0.0);
1732         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1733         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1734
1735         pref_signal_block_data(pw->scrollbar_h, pw);
1736         pref_signal_unblock_data(pw->scrollbar_h, pw);
1737
1738         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1739         gtk_adjustment_set_page_size(adj, rect.height);
1740         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1741         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1742         gtk_adjustment_set_lower(adj, 0.0);
1743         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1744         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1745
1746         pref_signal_block_data(pw->scrollbar_v, pw);
1747         pref_signal_unblock_data(pw->scrollbar_v, pw);
1748 }
1749
1750 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1751 {
1752         auto pw = static_cast<PanWindow *>(data);
1753         PixbufRenderer *pr;
1754         gint x;
1755
1756         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1757
1758         if (!pr->scale) return;
1759
1760         x = static_cast<gint>(gtk_range_get_value(range));
1761
1762         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1763 }
1764
1765 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1766 {
1767         auto pw = static_cast<PanWindow *>(data);
1768         PixbufRenderer *pr;
1769         gint y;
1770
1771         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1772
1773         if (!pr->scale) return;
1774
1775         y = static_cast<gint>(gtk_range_get_value(range));
1776
1777         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1778 }
1779
1780 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1781 {
1782         auto pw = static_cast<PanWindow *>(data);
1783
1784         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1785         pan_layout_update(pw);
1786 }
1787
1788 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1789 {
1790         auto pw = static_cast<PanWindow *>(data);
1791
1792         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1793         pan_layout_update(pw);
1794 }
1795
1796 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1797 {
1798         auto pw = static_cast<PanWindow *>(data);
1799         gchar *path;
1800
1801         path = remove_trailing_slash(new_text);
1802         parse_out_relatives(path);
1803
1804         if (!isdir(path))
1805                 {
1806                 warning_dialog(_("Folder not found"),
1807                                _("The entered path is not a folder"),
1808                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1809                 }
1810         else
1811                 {
1812                 FileData *dir_fd = file_data_new_dir(path);
1813                 tab_completion_append_to_history(pw->path_entry, path);
1814
1815                 pan_layout_set_fd(pw, dir_fd);
1816                 file_data_unref(dir_fd);
1817                 }
1818
1819         g_free(path);
1820 }
1821
1822 static void pan_window_close(PanWindow *pw)
1823 {
1824         pan_window_list = g_list_remove(pan_window_list, pw);
1825
1826         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1827         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1828         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1829
1830         if (pw->idle_id)
1831                 {
1832                 g_source_remove(pw->idle_id);
1833                 }
1834
1835         pan_fullscreen_toggle(pw, TRUE);
1836         pan_search_ui_destroy(&pw->search_ui);
1837         pan_filter_ui_destroy(&pw->filter_ui);
1838         gq_gtk_widget_destroy(pw->window);
1839
1840         pan_window_items_free(pw);
1841         pan_cache_free(pw);
1842
1843         file_data_unref(pw->dir_fd);
1844
1845         g_free(pw);
1846 }
1847
1848 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1849 {
1850         auto pw = static_cast<PanWindow *>(data);
1851
1852         pan_window_close(pw);
1853         return TRUE;
1854 }
1855
1856 static void pan_window_new_real(FileData *dir_fd)
1857 {
1858         PanWindow *pw;
1859         GdkGeometry geometry;
1860         GtkWidget *box;
1861         GtkWidget *combo;
1862         GtkWidget *frame;
1863         GtkWidget *hbox;
1864         GtkWidget *hbox_imd_widget;
1865         GtkWidget *vbox;
1866         GtkWidget *vbox_imd_widget;
1867
1868         pw = g_new0(PanWindow, 1);
1869
1870         pw->dir_fd = file_data_ref(dir_fd);
1871         pw->layout = PAN_LAYOUT_TIMELINE;
1872         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1873         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1874         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1875
1876         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1877                 {
1878                 pw->exif_date_enable = FALSE;
1879                 }
1880         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1881                 {
1882                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1883                 }
1884         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1885                 {
1886                 pw->info_includes_exif = TRUE;
1887                 }
1888
1889         pw->ignore_symlinks = TRUE;
1890
1891         pw->idle_id = 0;
1892
1893         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1894         DEBUG_NAME(pw->window);
1895
1896         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1897         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1898         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1899
1900         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1901         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1902
1903         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1904         DEBUG_NAME(vbox);
1905         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1906         gtk_widget_show(vbox);
1907
1908         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1909
1910         pref_spacer(box, 0);
1911         pref_label_new(box, _("Location:"));
1912         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1, pan_window_entry_activate_cb, pw);
1913         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1914         gtk_widget_show(combo);
1915
1916         combo = gtk_combo_box_text_new();
1917         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1918         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1919         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1920         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1921         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1922
1923         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1924         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_change_cb), pw);
1925         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1926         gtk_widget_show(combo);
1927
1928         combo = gtk_combo_box_text_new();
1929         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1930         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1931         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1932         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1933         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1934         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1935         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1936         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1937         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1938         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1939
1940         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1941         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_size_cb), pw);
1942         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1943         gtk_widget_show(combo);
1944
1945         pw->imd = image_new(TRUE);
1946         pw->imd_normal = pw->imd;
1947
1948         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom", G_CALLBACK(pan_window_image_zoom_cb), pw);
1949         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify", G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1950
1951         vbox_imd_widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1952         hbox_imd_widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
1953
1954         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->imd->widget, true, true, 0);
1955
1956         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1957         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",  G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1958         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->scrollbar_h, false, false, 0);
1959
1960         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), vbox_imd_widget, true, true, 0);
1961
1962         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1963         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed", G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1964         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), pw->scrollbar_v, false, false, 0);
1965
1966         gtk_box_pack_start(GTK_BOX(vbox), hbox_imd_widget, true, true, 0);
1967
1968         gtk_widget_show(GTK_WIDGET(hbox_imd_widget));
1969         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1970         gtk_widget_show(GTK_WIDGET(vbox));
1971         gtk_widget_show(GTK_WIDGET(vbox_imd_widget));
1972         gtk_widget_show(pw->scrollbar_h);
1973         gtk_widget_show(pw->scrollbar_v);
1974
1975         pan_window_dnd_init(pw);
1976
1977         pan_image_set_buttons(pw, pw->imd);
1978
1979         /* find bar */
1980
1981         pw->search_ui = pan_search_ui_new(pw);
1982         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1983
1984         /* filter bar */
1985         pw->filter_ui = pan_filter_ui_new(pw);
1986         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1987
1988         /* status bar */
1989
1990         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1991
1992         frame = gtk_frame_new(nullptr);
1993         DEBUG_NAME(frame);
1994         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1995         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1996         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1997         gtk_widget_show(frame);
1998
1999         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
2000         gtk_container_add(GTK_CONTAINER(frame), hbox);
2001         gtk_widget_show(hbox);
2002
2003         pref_spacer(hbox, 0);
2004         pw->label_message = pref_label_new(hbox, "");
2005
2006         frame = gtk_frame_new(nullptr);
2007         DEBUG_NAME(frame);
2008         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2009         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2010         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2011         gtk_widget_show(frame);
2012
2013         pw->label_zoom = gtk_label_new("");
2014         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2015         gtk_widget_show(pw->label_zoom);
2016
2017         // Add the "Find" button to the status bar area.
2018         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2019         gtk_widget_show(pw->search_ui->search_button);
2020
2021         // Add the "Filter" button to the status bar area.
2022         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2023         gtk_widget_show(pw->filter_ui->filter_button);
2024
2025         g_signal_connect(G_OBJECT(pw->window), "delete_event", G_CALLBACK(pan_window_delete_cb), pw);
2026         g_signal_connect(G_OBJECT(pw->window), "key_press_event", G_CALLBACK(pan_window_key_press_cb), pw);
2027
2028         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2029
2030         pan_layout_update(pw);
2031
2032         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2033         gtk_widget_show(pw->window);
2034
2035         pan_window_list = g_list_append(pan_window_list, pw);
2036 }
2037
2038 /*
2039  *-----------------------------------------------------------------------------
2040  * performance warnings
2041  *-----------------------------------------------------------------------------
2042  */
2043
2044 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2045 {
2046         auto dir_fd = static_cast<FileData *>(data);
2047
2048         generic_dialog_close(gd);
2049
2050         pan_window_new_real(dir_fd);
2051         file_data_unref(dir_fd);
2052 }
2053
2054 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2055 {
2056         gboolean hide_dlg;
2057
2058         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2059         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2060 }
2061
2062 static gboolean pan_warning(FileData *dir_fd)
2063 {
2064         GenericDialog *gd;
2065         GtkWidget *box;
2066         GtkWidget *group;
2067         GtkWidget *checkbox;
2068         GtkWidget *ct_button;
2069         gboolean hide_dlg;
2070
2071         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2072                 {
2073                 pan_warning_folder(dir_fd->path, nullptr);
2074                 return TRUE;
2075                 }
2076
2077         if (options->thumbnails.enable_caching &&
2078             options->thumbnails.spec_standard) return FALSE;
2079
2080         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2081         if (hide_dlg) return FALSE;
2082
2083         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2084                                 nullptr, nullptr);
2085         gd->data = file_data_ref(dir_fd);
2086         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2087                                   pan_warning_ok_cb, TRUE);
2088
2089         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2090                                          _("Pan view performance may be poor."),
2091                                          _("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);
2092
2093         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2094         pref_spacer(group, PREF_PAD_INDENT);
2095         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2096
2097         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2098                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2099         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2100                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2101         pref_checkbox_link_sensitivity(ct_button, checkbox);
2102
2103         pref_line(box, 0);
2104
2105         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2106                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2107
2108         gtk_widget_show(gd->dialog);
2109
2110         return TRUE;
2111 }
2112
2113
2114 /*
2115  *-----------------------------------------------------------------------------
2116  * entry point
2117  *-----------------------------------------------------------------------------
2118  */
2119
2120 void pan_window_new(FileData *dir_fd)
2121 {
2122         if (pan_warning(dir_fd)) return;
2123
2124         pan_window_new_real(dir_fd);
2125 }
2126
2127
2128 /*
2129  *-----------------------------------------------------------------------------
2130  * menus
2131  *-----------------------------------------------------------------------------
2132  */
2133
2134 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2135
2136
2137 static void pan_new_window_cb(GtkWidget *, gpointer data)
2138 {
2139         auto pw = static_cast<PanWindow *>(data);
2140         FileData *fd;
2141
2142         fd = pan_menu_click_fd(pw);
2143         if (fd)
2144                 {
2145                 pan_fullscreen_toggle(pw, TRUE);
2146                 view_window_new(fd);
2147                 }
2148 }
2149
2150 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2151 {
2152         LayoutWindow *lw = nullptr;
2153         auto pw = static_cast<PanWindow *>(data);
2154         FileData *fd;
2155
2156         if (!layout_valid(&lw)) return;
2157
2158         fd = pan_menu_click_fd(pw);
2159         if (fd)
2160                 {
2161                 layout_set_fd(lw, fd);
2162                 }
2163 }
2164
2165 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2166 {
2167         PanWindow *pw;
2168         FileData *fd;
2169         auto key = static_cast<const gchar *>(data);
2170
2171         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2172         if (!pw) return;
2173
2174         fd = pan_menu_click_fd(pw);
2175         if (fd)
2176                 {
2177                 if (!editor_window_flag_set(key))
2178                         {
2179                         pan_fullscreen_toggle(pw, TRUE);
2180                         }
2181                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2182                 }
2183 }
2184
2185 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2186 {
2187         auto pw = static_cast<PanWindow *>(data);
2188
2189         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2190 }
2191
2192 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2193 {
2194         auto pw = static_cast<PanWindow *>(data);
2195
2196         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2197 }
2198
2199 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2200 {
2201         auto pw = static_cast<PanWindow *>(data);
2202
2203         image_zoom_set(pw->imd, 1.0);
2204 }
2205
2206 static void pan_copy_cb(GtkWidget *, gpointer data)
2207 {
2208         auto pw = static_cast<PanWindow *>(data);
2209         FileData *fd;
2210
2211         fd = pan_menu_click_fd(pw);
2212         if (fd) file_util_copy(fd, nullptr, nullptr, pw->imd->widget);
2213 }
2214
2215 static void pan_move_cb(GtkWidget *, gpointer data)
2216 {
2217         auto pw = static_cast<PanWindow *>(data);
2218         FileData *fd;
2219
2220         fd = pan_menu_click_fd(pw);
2221         if (fd) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2222 }
2223
2224 static void pan_rename_cb(GtkWidget *, gpointer data)
2225 {
2226         auto pw = static_cast<PanWindow *>(data);
2227         FileData *fd;
2228
2229         fd = pan_menu_click_fd(pw);
2230         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2231 }
2232
2233 static void pan_delete_cb(GtkWidget *, gpointer data)
2234 {
2235         auto pw = static_cast<PanWindow *>(data);
2236         FileData *fd;
2237
2238         fd = pan_menu_click_fd(pw);
2239         if (fd)
2240                 {
2241                 options->file_ops.safe_delete_enable = FALSE;
2242                 file_util_delete(fd, nullptr, pw->imd->widget);
2243                 }
2244 }
2245
2246 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2247 {
2248         auto pw = static_cast<PanWindow *>(data);
2249         FileData *fd;
2250
2251         fd = pan_menu_click_fd(pw);
2252         if (fd)
2253                 {
2254                 options->file_ops.safe_delete_enable = TRUE;
2255                 file_util_delete(fd, nullptr, pw->imd->widget);
2256                 }
2257 }
2258
2259 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2260 {
2261         auto pw = static_cast<PanWindow *>(data);
2262         FileData *fd;
2263
2264         fd = pan_menu_click_fd(pw);
2265         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2266 }
2267
2268 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2269 {
2270         auto pw = static_cast<PanWindow *>(data);
2271         FileData *fd;
2272
2273         fd = pan_menu_click_fd(pw);
2274         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2275 }
2276
2277 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2278 {
2279         auto pw = static_cast<PanWindow *>(data);
2280
2281         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2282         pan_layout_update(pw);
2283 }
2284
2285 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2286 {
2287         auto pw = static_cast<PanWindow *>(data);
2288
2289         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2290         /** @FIXME sync info now */
2291 }
2292
2293 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2294 {
2295         auto pw = static_cast<PanWindow *>(data);
2296
2297         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2298         /** @FIXME sync info now */
2299 }
2300
2301 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2302 {
2303         auto pw = static_cast<PanWindow *>(data);
2304
2305         pan_fullscreen_toggle(pw, FALSE);
2306 }
2307
2308 static void pan_close_cb(GtkWidget *, gpointer data)
2309 {
2310         auto pw = static_cast<PanWindow *>(data);
2311
2312         pan_window_close(pw);
2313 }
2314
2315 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2316 {
2317         auto editmenu_fd_list = static_cast<GList *>(data);
2318
2319         filelist_free(editmenu_fd_list);
2320 }
2321
2322 static void pan_play_cb(GtkWidget *, gpointer data)
2323 {
2324         auto pw = static_cast<PanWindow *>(data);
2325
2326         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2327 }
2328
2329 static GList *pan_view_get_fd_list(PanWindow *pw)
2330 {
2331         GList *list = nullptr;
2332         FileData *fd = pan_menu_click_fd(pw);
2333
2334         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2335
2336         return list;
2337 }
2338
2339 /**
2340  * @brief Add file selection list to a collection
2341  * @param[in] widget
2342  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2343  *
2344  *
2345  */
2346 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2347 {
2348         PanWindow *pw;
2349         GList *selection_list = nullptr;
2350
2351         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2352         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2353         pop_menu_collections(selection_list, data);
2354
2355         filelist_free(selection_list);
2356 }
2357
2358 static GtkWidget *pan_popup_menu(PanWindow *pw)
2359 {
2360         GtkWidget *menu;
2361         GtkWidget *submenu;
2362         GtkWidget *item;
2363         gboolean active;
2364         gboolean video;
2365         GList *editmenu_fd_list;
2366         GtkAccelGroup *accel_group;
2367
2368         active = (pw->click_pi != nullptr);
2369         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2370
2371         menu = popup_menu_short_lived();
2372         accel_group = gtk_accel_group_new();
2373         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2374
2375         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2376         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2377
2378         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2379                             G_CALLBACK(pan_play_cb), pw);
2380         menu_item_add_divider(menu);
2381
2382         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2383                             G_CALLBACK(pan_zoom_in_cb), pw);
2384         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2385                             G_CALLBACK(pan_zoom_out_cb), pw);
2386         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2387                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2388         menu_item_add_divider(menu);
2389
2390         editmenu_fd_list = pan_view_get_fd_list(pw);
2391         g_signal_connect(G_OBJECT(menu), "destroy",
2392                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2393
2394         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2395         gtk_widget_set_sensitive(item, active);
2396
2397         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2398                                       G_CALLBACK(pan_new_window_cb), pw);
2399         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2400                         G_CALLBACK(pan_go_to_original_cb), pw);
2401
2402         menu_item_add_divider(menu);
2403         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2404                                       G_CALLBACK(pan_copy_cb), pw);
2405         menu_item_add_sensitive(menu, _("_Move..."), active,
2406                                 G_CALLBACK(pan_move_cb), pw);
2407         menu_item_add_sensitive(menu, _("_Rename..."), active,
2408                                 G_CALLBACK(pan_rename_cb), pw);
2409         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2410                                 G_CALLBACK(pan_copy_path_cb), pw);
2411         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2412                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2413
2414         menu_item_add_divider(menu);
2415         menu_item_add_icon_sensitive(menu,
2416                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2417                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2418                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2419         menu_item_add_icon_sensitive(menu,
2420                                 options->file_ops.confirm_delete ? _("_Delete...") :
2421                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2422                                                 G_CALLBACK(pan_delete_cb), pw);
2423
2424         menu_item_add_divider(menu);
2425
2426         submenu = submenu_add_collections(menu, &item,
2427                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2428         gtk_widget_set_sensitive(item, TRUE);
2429         menu_item_add_divider(menu);
2430
2431
2432         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2433                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2434         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2435
2436         menu_item_add_divider(menu);
2437
2438         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2439                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2440         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2441         submenu = gtk_menu_new();
2442         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2443
2444         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2445                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2446         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2447
2448         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2449                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2450         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2451
2452         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2453                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2454         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2455
2456         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2457                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2458         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2459
2460         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2461                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2462         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2463
2464         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2465                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2466         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2467
2468
2469
2470         menu_item_add_divider(menu);
2471
2472         if (pw->fs)
2473                 {
2474                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2475                 }
2476         else
2477                 {
2478                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2479                 }
2480
2481         menu_item_add_divider(menu);
2482         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2483
2484         return menu;
2485 }
2486
2487
2488 /*
2489  *-----------------------------------------------------------------------------
2490  * drag and drop
2491  *-----------------------------------------------------------------------------
2492  */
2493
2494 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2495                                     gint, gint,
2496                                     GtkSelectionData *selection_data, guint info,
2497                                     guint, gpointer data)
2498 {
2499         auto pw = static_cast<PanWindow *>(data);
2500
2501         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2502
2503         if (info == TARGET_URI_LIST)
2504                 {
2505                 GList *list;
2506
2507                 list = uri_filelist_from_gtk_selection_data(selection_data);
2508                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2509                         {
2510                         auto fd = static_cast<FileData *>(list->data);
2511
2512                         pan_layout_set_fd(pw, fd);
2513                         }
2514
2515                 filelist_free(list);
2516                 }
2517 }
2518
2519 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2520                                     GtkSelectionData *selection_data, guint,
2521                                     guint, gpointer data)
2522 {
2523         auto pw = static_cast<PanWindow *>(data);
2524         FileData *fd;
2525
2526         fd = pan_menu_click_fd(pw);
2527         if (fd)
2528                 {
2529                 GList *list;
2530
2531                 list = g_list_append(nullptr, fd);
2532                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2533                 g_list_free(list);
2534                 }
2535         else
2536                 {
2537                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2538                                        8, nullptr, 0);
2539                 }
2540 }
2541
2542 static void pan_window_dnd_init(PanWindow *pw)
2543 {
2544         GtkWidget *widget;
2545
2546         widget = pw->imd->pr;
2547
2548         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2549                             dnd_file_drag_types, dnd_file_drag_types_count,
2550                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2551         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2552                          G_CALLBACK(pan_window_set_dnd_data), pw);
2553
2554         gtk_drag_dest_set(widget,
2555                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2556                           dnd_file_drop_types, dnd_file_drop_types_count,
2557                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2558         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2559                          G_CALLBACK(pan_window_get_dnd_data), pw);
2560 }
2561
2562 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */