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