src/pan-view/pan-view.cc

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-view.h"
  23
  24 #include "bar-exif.h"
  25 #include "dnd.h"
  26 #include "editors.h"
  27 #include "exif.h"
  28 #include "fullscreen.h"
  29 #include "image.h"
  30 #include "img-view.h"
  31 #include "layout-util.h"
  32 #include "menu.h"
  33 #include "metadata.h"
  34 #include "misc.h"
  35 #include "pan-calendar.h"
  36 #include "pan-folder.h"
  37 #include "pan-grid.h"
  38 #include "pan-timeline.h"
  39 #include "pan-util.h"
  40 #include "pan-view-filter.h"
  41 #include "pan-view-search.h"
  42 #include "pixbuf-util.h"
  43 #include "thumb.h"
  44 #include "ui-fileops.h"
  45 #include "ui-menu.h"
  46 #include "ui-misc.h"
  47 #include "ui-tabcomp.h"
  48 #include "uri-utils.h"
  49 #include "utilops.h"
  50 #include "window.h"
  51
  52 #include <cmath>
  53
  54
  55 enum {
  56         PAN_WINDOW_DEFAULT_WIDTH = 720,
  57         PAN_WINDOW_DEFAULT_HEIGHT = 500
  58 };
  59
  60 enum {
  61         PAN_TILE_SIZE = 512
  62 };
  63
  64 #define ZOOM_INCREMENT 1.0
  65 enum {
  66         ZOOM_LABEL_WIDTH = 64
  67 };
  68
  69
  70 #define PAN_PREF_GROUP          "pan_view_options"
  71 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  72 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  73 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  74 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  75
  76
  77 static GList *pan_window_list = nullptr;
  78
  79
  80 static void pan_layout_update_idle(PanWindow *pw);
  81
  82 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  83
  84 static void pan_window_close(PanWindow *pw);
  85
  86 static GtkWidget *pan_popup_menu(PanWindow *pw);
  87
  88 static void pan_window_dnd_init(PanWindow *pw);
  89
  90 /**
  91  * This array must be kept in sync with the contents of:\n
  92  * @link pan_window_key_press_cb @endlink \n
  93  * @link pan_popup_menu @endlink
  94  *
  95  * See also @link hard_coded_window_keys @endlink
  96  **/
  97 hard_coded_window_keys pan_view_window_keys[] = {
  98         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  99         {GDK_CONTROL_MASK, 'M', N_("Move")},
 100         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 101         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 102         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 103         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 104         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 105         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 106         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 107         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 108         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 109         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 110         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 111         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 112         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 113         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 114         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 115         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 116         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 117         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 118         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 119         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 120         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 121         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 122         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 123         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 124         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 125         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 127         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 128         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 129         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 130         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 131         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 132         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 133         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 134         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 135         {static_cast<GdkModifierType>(0), 0, nullptr}
 136 };
 137
 138 /*
 139  *-----------------------------------------------------------------------------
 140  * the image/thumb loader queue
 141  *-----------------------------------------------------------------------------
 142  */
 143
 144 static gboolean pan_queue_step(PanWindow *pw);
 145
 146
 147 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 148 {
 149         auto pw = static_cast<PanWindow *>(data);
 150
 151         if (pw->queue_pi)
 152                 {
 153                 PanItem *pi;
 154                 gint rc;
 155
 156                 pi = pw->queue_pi;
 157                 pw->queue_pi = nullptr;
 158
 159                 pi->queued = FALSE;
 160
 161                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 162                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 163
 164                 rc = pi->refcount;
 165                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 166                 pi->refcount = rc;
 167                 }
 168
 169         thumb_loader_free(pw->tl);
 170         pw->tl = nullptr;
 171
 172         while (pan_queue_step(pw));
 173 }
 174
 175 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 176 {
 177         auto pw = static_cast<PanWindow *>(data);
 178         GdkPixbuf *rotated = nullptr;
 179
 180         if (pw->queue_pi)
 181                 {
 182                 PanItem *pi;
 183                 gint rc;
 184
 185                 pi = pw->queue_pi;
 186                 pw->queue_pi = nullptr;
 187
 188                 pi->queued = FALSE;
 189
 190                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 191                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 192
 193                 if (pi->pixbuf && options->image.exif_rotate_enable)
 194                         {
 195                         if (!il->fd->exif_orientation)
 196                                 {
 197                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 198                                         {
 199                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 200                                         }
 201                                 else
 202                                         {
 203                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 204                                         }
 205                                 }
 206
 207                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 208                                 {
 209                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 210                                 pi->pixbuf = rotated;
 211                                 }
 212                         }
 213
 214                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 215
 216                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 217                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 218                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 219                         {
 220                         GdkPixbuf *tmp;
 221
 222                         tmp = pi->pixbuf;
 223                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 224                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 225                         g_object_unref(tmp);
 226                         }
 227
 228                 rc = pi->refcount;
 229                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 230                 pi->refcount = rc;
 231                 }
 232
 233         image_loader_free(pw->il);
 234         pw->il = nullptr;
 235
 236         while (pan_queue_step(pw));
 237 }
 238
 239 static gboolean pan_queue_step(PanWindow *pw)
 240 {
 241         PanItem *pi;
 242
 243         if (!pw->queue) return FALSE;
 244
 245         pi = static_cast<PanItem *>(pw->queue->data);
 246         pw->queue = g_list_remove(pw->queue, pi);
 247         pw->queue_pi = pi;
 248
 249         if (!pw->queue_pi->fd)
 250                 {
 251                 pw->queue_pi->queued = FALSE;
 252                 pw->queue_pi = nullptr;
 253                 return TRUE;
 254                 }
 255
 256         image_loader_free(pw->il);
 257         pw->il = nullptr;
 258         thumb_loader_free(pw->tl);
 259         pw->tl = nullptr;
 260
 261         if (pi->type == PAN_ITEM_IMAGE)
 262                 {
 263                 pw->il = image_loader_new(pi->fd);
 264
 265                 if (pw->size != PAN_IMAGE_SIZE_100)
 266                         {
 267                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 268                         }
 269
 270                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 271                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 272
 273                 if (image_loader_start(pw->il)) return FALSE;
 274
 275                 image_loader_free(pw->il);
 276                 pw->il = nullptr;
 277                 }
 278         else if (pi->type == PAN_ITEM_THUMB)
 279                 {
 280                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 281
 282                 if (!pw->tl->standard_loader)
 283                         {
 284                         /* The classic loader will recreate a thumbnail any time we
 285                          * request a different size than what exists. This view will
 286                          * almost never use the user configured sizes so disable cache.
 287                          */
 288                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 289                         }
 290
 291                 thumb_loader_set_callbacks(pw->tl,
 292                                            pan_queue_thumb_done_cb,
 293                                            pan_queue_thumb_done_cb,
 294                                            nullptr, pw);
 295
 296                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 297
 298                 thumb_loader_free(pw->tl);
 299                 pw->tl = nullptr;
 300                 }
 301
 302         pw->queue_pi->queued = FALSE;
 303         pw->queue_pi = nullptr;
 304         return TRUE;
 305 }
 306
 307 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 308 {
 309         if (!pi || pi->queued || pi->pixbuf) return;
 310         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 311             (!pi->key || strcmp(pi->key, "info") != 0) )
 312                 {
 313                 return;
 314                 }
 315
 316         pi->queued = TRUE;
 317         pw->queue = g_list_prepend(pw->queue, pi);
 318
 319         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 320 }
 321
 322
 323 /*
 324  *-----------------------------------------------------------------------------
 325  * tile request/dispose handlers
 326  *-----------------------------------------------------------------------------
 327  */
 328
 329 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 330                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 331 {
 332         auto pw = static_cast<PanWindow *>(data);
 333         GList *list;
 334         GList *work;
 335         gint i;
 336
 337         pixbuf_set_rect_fill(pixbuf,
 338                              0, 0, width, height,
 339                              PAN_BACKGROUND_COLOR, 255);
 340
 341         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 342                 {
 343                 gint rx;
 344                 gint ry;
 345                 gint rw;
 346                 gint rh;
 347
 348                 if (util_clip_region(x, y, width, height,
 349                                      i, y, 1, height,
 350                                      &rx, &ry, &rw, &rh))
 351                         {
 352                         pixbuf_draw_rect_fill(pixbuf,
 353                                               rx - x, ry - y, rw, rh,
 354                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 355                         }
 356                 }
 357         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 358                 {
 359                 gint rx;
 360                 gint ry;
 361                 gint rw;
 362                 gint rh;
 363
 364                 if (util_clip_region(x, y, width, height,
 365                                      x, i, width, 1,
 366                                      &rx, &ry, &rw, &rh))
 367                         {
 368                         pixbuf_draw_rect_fill(pixbuf,
 369                                               rx - x, ry - y, rw, rh,
 370                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 371                         }
 372                 }
 373
 374         list = pan_layout_intersect(pw, x, y, width, height);
 375         work = list;
 376         while (work)
 377                 {
 378                 PanItem *pi;
 379                 gboolean queue = FALSE;
 380
 381                 pi = static_cast<PanItem *>(work->data);
 382                 work = work->next;
 383
 384                 pi->refcount++;
 385
 386                 switch (pi->type)
 387                         {
 388                         case PAN_ITEM_BOX:
 389                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 390                                 break;
 391                         case PAN_ITEM_TRIANGLE:
 392                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 393                                 break;
 394                         case PAN_ITEM_TEXT:
 395                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 396                                 break;
 397                         case PAN_ITEM_THUMB:
 398                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 399                                 break;
 400                         case PAN_ITEM_IMAGE:
 401                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 402                                 break;
 403                         case PAN_ITEM_NONE:
 404                         default:
 405                                 break;
 406                         }
 407
 408                 if (queue) pan_queue_add(pw, pi);
 409                 }
 410
 411         g_list_free(list);
 412
 413         return TRUE;
 414 }
 415
 416 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 417                                        gint width, gint height, GdkPixbuf *, gpointer data)
 418 {
 419         auto pw = static_cast<PanWindow *>(data);
 420         GList *list;
 421         GList *work;
 422
 423         list = pan_layout_intersect(pw, x, y, width, height);
 424         work = list;
 425         while (work)
 426                 {
 427                 PanItem *pi;
 428
 429                 pi = static_cast<PanItem *>(work->data);
 430                 work = work->next;
 431
 432                 if (pi->refcount > 0)
 433                         {
 434                         pi->refcount--;
 435
 436                         if (pi->refcount == 0)
 437                                 {
 438                                 if (pi->queued)
 439                                         {
 440                                         pw->queue = g_list_remove(pw->queue, pi);
 441                                         pi->queued = FALSE;
 442                                         }
 443                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 444                                 if (pi->pixbuf)
 445                                         {
 446                                         g_object_unref(pi->pixbuf);
 447                                         pi->pixbuf = nullptr;
 448                                         }
 449                                 }
 450                         }
 451                 }
 452
 453         g_list_free(list);
 454 }
 455
 456
 457 /*
 458  *-----------------------------------------------------------------------------
 459  * misc
 460  *-----------------------------------------------------------------------------
 461  */
 462
 463 static void pan_window_message(PanWindow *pw, const gchar *text)
 464 {
 465         GList *work;
 466         gint count = 0;
 467         gint64 size = 0;
 468         gchar *ss;
 469         gchar *buf;
 470
 471         if (text)
 472                 {
 473                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 474                 return;
 475                 }
 476
 477         work = pw->list_static;
 478         if (pw->layout == PAN_LAYOUT_CALENDAR)
 479                 {
 480                 while (work)
 481                         {
 482                         PanItem *pi;
 483
 484                         pi = static_cast<PanItem *>(work->data);
 485                         work = work->next;
 486
 487                         if (pi->fd &&
 488                             pi->type == PAN_ITEM_BOX &&
 489                             pi->key && strcmp(pi->key, "dot") == 0)
 490                                 {
 491                                 size += pi->fd->size;
 492                                 count++;
 493                                 }
 494                         }
 495                 }
 496         else
 497                 {
 498                 while (work)
 499                         {
 500                         PanItem *pi;
 501
 502                         pi = static_cast<PanItem *>(work->data);
 503                         work = work->next;
 504
 505                         if (pi->fd &&
 506                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 507                                 {
 508                                 size += pi->fd->size;
 509                                 count++;
 510                                 }
 511                         }
 512                 }
 513
 514         ss = text_from_size_abrev(size);
 515         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 516         g_free(ss);
 517         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 518         g_free(buf);
 519 }
 520
 521 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 522 {
 523         gchar *message;
 524
 525         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 526         warning_dialog(_("Folder not supported"), message,
 527                       GQ_ICON_DIALOG_INFO, parent);
 528         g_free(message);
 529 }
 530
 531 static void pan_window_zoom_limit(PanWindow *pw)
 532 {
 533         gdouble min;
 534
 535         switch (pw->size)
 536                 {
 537                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 538                 case PAN_IMAGE_SIZE_THUMB_NONE:
 539                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 540                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 541 #if 0
 542                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 543                         min = -16.0;
 544                         break;
 545 #endif
 546                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 547                         min = -6.0;
 548                         break;
 549                 case PAN_IMAGE_SIZE_10:
 550                 case PAN_IMAGE_SIZE_25:
 551                         min = -4.0;
 552                         break;
 553                 case PAN_IMAGE_SIZE_33:
 554                 case PAN_IMAGE_SIZE_50:
 555                 case PAN_IMAGE_SIZE_100:
 556                 default:
 557                         min = -2.0;
 558                         break;
 559                 }
 560
 561         image_zoom_set_limits(pw->imd, min, 32.0);
 562 }
 563
 564
 565 /*
 566  *-----------------------------------------------------------------------------
 567  * cache
 568  *-----------------------------------------------------------------------------
 569  */
 570
 571 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 572 {
 573         auto pca = static_cast<PanCacheData *>(a);
 574         auto pcb = static_cast<PanCacheData *>(b);
 575         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 576 }
 577 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 578 {
 579         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 580 }
 581
 582
 583 static void pan_cache_free(PanWindow *pw)
 584 {
 585         g_list_free_full(pw->cache_list, [](gpointer data)
 586                 {
 587                 auto pc = static_cast<PanCacheData *>(data);
 588                 cache_sim_data_free(pc->cd);
 589                 file_data_unref(pc->fd);
 590                 g_free(pc);
 591                 });
 592         pw->cache_list = nullptr;
 593
 594         filelist_free(pw->cache_todo);
 595         pw->cache_todo = nullptr;
 596
 597         pw->cache_count = 0;
 598         pw->cache_total = 0;
 599         pw->cache_tick = 0;
 600
 601         cache_loader_free(pw->cache_cl);
 602         pw->cache_cl = nullptr;
 603 }
 604
 605 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 606 {
 607         GList *list;
 608
 609         pan_cache_free(pw);
 610
 611         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 612         pw->cache_todo = g_list_reverse(list);
 613
 614         pw->cache_total = g_list_length(pw->cache_todo);
 615 }
 616
 617 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 618 {
 619         auto pw = static_cast<PanWindow *>(data);
 620
 621         if (pw->cache_list)
 622                 {
 623                 PanCacheData *pc;
 624                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 625
 626                 if (!pc->cd)
 627                         {
 628                         pc->cd = cl->cd;
 629                         cl->cd = nullptr;
 630                         }
 631                 }
 632
 633         cache_loader_free(cl);
 634         pw->cache_cl = nullptr;
 635
 636         pan_layout_update_idle(pw);
 637 }
 638
 639 static gboolean pan_cache_step(PanWindow *pw)
 640 {
 641         FileData *fd;
 642         PanCacheData *pc;
 643         CacheDataType load_mask;
 644
 645         if (!pw->cache_todo) return TRUE;
 646
 647         fd = static_cast<FileData *>(pw->cache_todo->data);
 648         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 649
 650         pc = g_new0(PanCacheData, 1);
 651         pc->fd = file_data_ref(fd);
 652
 653         pc->cd = nullptr;
 654
 655         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 656
 657         cache_loader_free(pw->cache_cl);
 658
 659         load_mask = CACHE_LOADER_NONE;
 660         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 661         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 662         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 663                                         pan_cache_step_done_cb, pw);
 664         return (pw->cache_cl == nullptr);
 665 }
 666
 667 /* This sync date function is optimized for lists with a common sort */
 668 void pan_cache_sync_date(PanWindow *pw, GList *list)
 669 {
 670         GList *haystack;
 671         GList *work;
 672
 673         haystack = g_list_copy(pw->cache_list);
 674
 675         work = list;
 676         while (work)
 677                 {
 678                 FileData *fd;
 679                 GList *needle;
 680
 681                 fd = static_cast<FileData *>(work->data);
 682                 work = work->next;
 683
 684                 needle = haystack;
 685                 while (needle)
 686                         {
 687                         PanCacheData *pc;
 688
 689                         pc = static_cast<PanCacheData *>(needle->data);
 690                         if (pc->fd == fd)
 691                                 {
 692                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 693                                         {
 694                                         fd->date = pc->cd->date;
 695                                         }
 696
 697                                 haystack = g_list_delete_link(haystack, needle);
 698                                 needle = nullptr;
 699                                 }
 700                         else
 701                                 {
 702                                 needle = needle->next;
 703                                 }
 704                         }
 705                 }
 706
 707         g_list_free(haystack);
 708 }
 709
 710 /*
 711  *-----------------------------------------------------------------------------
 712  * item grid
 713  *-----------------------------------------------------------------------------
 714  */
 715
 716 static void pan_grid_clear(PanWindow *pw)
 717 {
 718         g_list_free_full(pw->list_grid, [](gpointer data)
 719                 {
 720                 auto pg = static_cast<PanGrid *>(data);
 721                 g_list_free(pg->list);
 722                 g_free(pg);
 723                 });
 724         pw->list_grid = nullptr;
 725
 726         pw->list = g_list_concat(pw->list, pw->list_static);
 727         pw->list_static = nullptr;
 728 }
 729
 730 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 731 {
 732         GList *work;
 733         gint col;
 734         gint row;
 735         gint cw;
 736         gint ch;
 737         gint l;
 738         gint i;
 739         gint j;
 740
 741         pan_grid_clear(pw);
 742
 743         l = g_list_length(pw->list);
 744
 745         if (l < 1) return;
 746
 747         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 748         col = CLAMP(col, 1, l / grid_size + 1);
 749         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 750         if (row < 1) row = 1;
 751
 752         /* limit minimum size of grid so that a tile will always fit regardless of position */
 753         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 754         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 755
 756         row = row * 2 - 1;
 757         col = col * 2 - 1;
 758
 759         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 760
 761         for (j = 0; j < row; j++)
 762             for (i = 0; i < col; i++)
 763                 {
 764                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 765                         {
 766                         PanGrid *pg;
 767
 768                         pg = g_new0(PanGrid, 1);
 769                         pg->x = i * cw / 2;
 770                         pg->y = j * ch / 2;
 771                         pg->w = cw;
 772                         pg->h = ch;
 773
 774                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 775
 776                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 777                         }
 778                 }
 779
 780         work = pw->list;
 781         while (work)
 782                 {
 783                 PanItem *pi;
 784                 GList *grid;
 785
 786                 pi = static_cast<PanItem *>(work->data);
 787                 work = work->next;
 788
 789                 grid = pw->list_grid;
 790                 while (grid)
 791                         {
 792                         PanGrid *pg;
 793                         gint rx;
 794                         gint ry;
 795                         gint rw;
 796                         gint rh;
 797
 798                         pg = static_cast<PanGrid *>(grid->data);
 799                         grid = grid->next;
 800
 801                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 802                                              pg->x, pg->y, pg->w, pg->h,
 803                                              &rx, &ry, &rw, &rh))
 804                                 {
 805                                 pg->list = g_list_prepend(pg->list, pi);
 806                                 }
 807                         }
 808                 }
 809
 810         work = pw->list_grid;
 811         while (work)
 812                 {
 813                 PanGrid *pg;
 814
 815                 pg = static_cast<PanGrid *>(work->data);
 816                 work = work->next;
 817
 818                 pg->list = g_list_reverse(pg->list);
 819                 }
 820
 821         pw->list_static = pw->list;
 822         pw->list = nullptr;
 823 }
 824
 825
 826 /*
 827  *-----------------------------------------------------------------------------
 828  * layout state reset
 829  *-----------------------------------------------------------------------------
 830  */
 831
 832 static void pan_window_items_free(PanWindow *pw)
 833 {
 834         pan_grid_clear(pw);
 835
 836         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 837         pw->list = nullptr;
 838
 839         g_list_free(pw->queue);
 840         pw->queue = nullptr;
 841         pw->queue_pi = nullptr;
 842
 843         image_loader_free(pw->il);
 844         pw->il = nullptr;
 845
 846         thumb_loader_free(pw->tl);
 847         pw->tl = nullptr;
 848
 849         pw->click_pi = nullptr;
 850         pw->search_pi = nullptr;
 851 }
 852
 853
 854 /*
 855  *-----------------------------------------------------------------------------
 856  * layout generation, queries, sizing
 857  *-----------------------------------------------------------------------------
 858  */
 859
 860 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 861                                gint *width, gint *height,
 862                                gint *scroll_x, gint *scroll_y)
 863 {
 864         pan_window_items_free(pw);
 865
 866         switch (pw->size)
 867                 {
 868                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 869                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 870                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 871                         break;
 872                 case PAN_IMAGE_SIZE_THUMB_NONE:
 873                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 874                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 875                         break;
 876                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 877                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 878                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 879                         break;
 880                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 881                 default:
 882                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 883                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 884                         break;
 885                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 886                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 887                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 888                         break;
 889                 case PAN_IMAGE_SIZE_10:
 890                         pw->image_size = 10;
 891                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 892                         break;
 893                 case PAN_IMAGE_SIZE_25:
 894                         pw->image_size = 25;
 895                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 896                         break;
 897                 case PAN_IMAGE_SIZE_33:
 898                         pw->image_size = 33;
 899                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 900                         break;
 901                 case PAN_IMAGE_SIZE_50:
 902                         pw->image_size = 50;
 903                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 904                         break;
 905                 case PAN_IMAGE_SIZE_100:
 906                         pw->image_size = 100;
 907                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 908                         break;
 909                 }
 910
 911         *width = 0;
 912         *height = 0;
 913         *scroll_x = 0;
 914         *scroll_y = 0;
 915
 916         switch (pw->layout)
 917                 {
 918                 case PAN_LAYOUT_GRID:
 919                 default:
 920                         pan_grid_compute(pw, dir_fd, width, height);
 921                         break;
 922                 case PAN_LAYOUT_FOLDERS_LINEAR:
 923                         pan_folder_tree_compute(pw, dir_fd, width, height);
 924                         break;
 925                 case PAN_LAYOUT_FOLDERS_FLOWER:
 926                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 927                         break;
 928                 case PAN_LAYOUT_CALENDAR:
 929                         pan_calendar_compute(pw, dir_fd, width, height);
 930                         break;
 931                 case PAN_LAYOUT_TIMELINE:
 932                         pan_timeline_compute(pw, dir_fd, width, height);
 933                         break;
 934                 }
 935
 936         pan_cache_free(pw);
 937
 938         DEBUG_1("computed %d objects", g_list_length(pw->list));
 939 }
 940
 941 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 942                                      gint x, gint y, gint width, gint height)
 943 {
 944         GList *work;
 945
 946         work = item_list;
 947         while (work)
 948                 {
 949                 PanItem *pi;
 950                 gint rx;
 951                 gint ry;
 952                 gint rw;
 953                 gint rh;
 954
 955                 pi = static_cast<PanItem *>(work->data);
 956                 work = work->next;
 957
 958                 if (util_clip_region(x, y, width, height,
 959                                      pi->x, pi->y, pi->width, pi->height,
 960                                      &rx, &ry, &rw, &rh))
 961                         {
 962                         list = g_list_prepend(list, pi);
 963                         }
 964                 }
 965
 966         return list;
 967 }
 968
 969 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 970 {
 971         GList *list = nullptr;
 972         GList *grid;
 973         PanGrid *pg = nullptr;
 974
 975         grid = pw->list_grid;
 976         while (grid && !pg)
 977                 {
 978                 pg = static_cast<PanGrid *>(grid->data);
 979                 grid = grid->next;
 980
 981                 if (x < pg->x || x + width > pg->x + pg->w ||
 982                     y < pg->y || y + height > pg->y + pg->h)
 983                         {
 984                         pg = nullptr;
 985                         }
 986                 }
 987
 988         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
 989
 990         if (pg)
 991                 {
 992                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
 993                 }
 994         else
 995                 {
 996                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
 997                 }
 998
 999         return list;
1000 }
1001
1002 void pan_layout_resize(PanWindow *pw)
1003 {
1004         gint width = 0;
1005         gint height = 0;
1006         GList *work;
1007         PixbufRenderer *pr;
1008
1009         work = pw->list;
1010         while (work)
1011                 {
1012                 PanItem *pi;
1013
1014                 pi = static_cast<PanItem *>(work->data);
1015                 work = work->next;
1016
1017                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1018                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1019                 }
1020         work = pw->list_static;
1021         while (work)
1022                 {
1023                 PanItem *pi;
1024
1025                 pi = static_cast<PanItem *>(work->data);
1026                 work = work->next;
1027
1028                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1029                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1030                 }
1031
1032         width += PAN_BOX_BORDER * 2;
1033         height += PAN_BOX_BORDER * 2;
1034
1035         pr = PIXBUF_RENDERER(pw->imd->pr);
1036         if (width < pr->window_width) width = pr->window_width;
1037         if (height < pr->window_width) height = pr->window_height;
1038
1039         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1040 }
1041
1042 static gint pan_layout_update_idle_cb(gpointer data)
1043 {
1044         auto pw = static_cast<PanWindow *>(data);
1045         gint width;
1046         gint height;
1047         gint scroll_x;
1048         gint scroll_y;
1049
1050         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1051             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1052                 {
1053                 if (!pw->cache_list && !pw->cache_todo)
1054                         {
1055                         pan_cache_fill(pw, pw->dir_fd);
1056                         if (pw->cache_todo)
1057                                 {
1058                                 pan_window_message(pw, _("Reading image data..."));
1059                                 return G_SOURCE_CONTINUE;
1060                                 }
1061                         }
1062                 if (pw->cache_todo)
1063                         {
1064                         pw->cache_count++;
1065                         pw->cache_tick++;
1066                         if (pw->cache_count == pw->cache_total)
1067                                 {
1068                                 pan_window_message(pw, _("Sorting..."));
1069                                 }
1070                         else if (pw->cache_tick > 9)
1071                                 {
1072                                 gchar *buf;
1073
1074                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1075                                                       pw->cache_count, pw->cache_total);
1076                                 pan_window_message(pw, buf);
1077                                 g_free(buf);
1078
1079                                 pw->cache_tick = 0;
1080                                 }
1081
1082                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1083
1084                         pw->idle_id = 0;
1085                         return G_SOURCE_REMOVE;
1086                         }
1087                 }
1088
1089         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1090
1091         pan_window_zoom_limit(pw);
1092
1093         if (width > 0 && height > 0)
1094                 {
1095                 gdouble align;
1096
1097                 DEBUG_1("Canvas size is %d x %d", width, height);
1098
1099                 pan_grid_build(pw, width, height, 1000);
1100
1101                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1102                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1103                                           pan_window_request_tile_cb,
1104                                           pan_window_dispose_tile_cb, pw, 1.0);
1105
1106                 if (scroll_x == 0 && scroll_y == 0)
1107                         {
1108                         align = 0.0;
1109                         }
1110                 else
1111                         {
1112                         align = 0.5;
1113                         }
1114                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1115                 }
1116
1117         pan_window_message(pw, nullptr);
1118
1119         pw->idle_id = 0;
1120         return G_SOURCE_REMOVE;
1121 }
1122
1123 static void pan_layout_update_idle(PanWindow *pw)
1124 {
1125         if (!pw->idle_id)
1126                 {
1127                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1128                 }
1129 }
1130
1131 void pan_layout_update(PanWindow *pw)
1132 {
1133         pan_window_message(pw, _("Sorting images..."));
1134         pan_layout_update_idle(pw);
1135 }
1136
1137 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1138 {
1139         if (!dir_fd) return;
1140
1141         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1142                 {
1143                 pan_warning_folder(dir_fd->path, pw->window);
1144                 return;
1145                 }
1146
1147         file_data_unref(pw->dir_fd);
1148         pw->dir_fd = file_data_ref(dir_fd);
1149
1150         pan_layout_update(pw);
1151 }
1152
1153
1154 /*
1155  *-----------------------------------------------------------------------------
1156  * keyboard handlers
1157  *-----------------------------------------------------------------------------
1158  */
1159
1160 FileData *pan_menu_click_fd(PanWindow *pw)
1161 {
1162         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1163         return nullptr;
1164 }
1165
1166 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1167 {
1168         auto pw = static_cast<PanWindow *>(data);
1169         PixbufRenderer *pr;
1170         FileData *fd;
1171         gboolean stop_signal = FALSE;
1172         GtkWidget *menu;
1173         GtkWidget *imd_widget;
1174         gint x = 0;
1175         gint y = 0;
1176         gint focused;
1177         gint on_entry;
1178
1179         pr = PIXBUF_RENDERER(pw->imd->pr);
1180         fd = pan_menu_click_fd(pw);
1181
1182         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1183         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1184         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1185                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1186                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1187
1188         if (focused)
1189                 {
1190                 stop_signal = TRUE;
1191                 switch (event->keyval)
1192                         {
1193                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1194                                 x -= 1;
1195                                 break;
1196                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1197                                 x += 1;
1198                                 break;
1199                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1200                                 y -= 1;
1201                                 break;
1202                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1203                                 y += 1;
1204                                 break;
1205                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1206                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1207                                 break;
1208                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1209                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1210                                 break;
1211                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1212                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1213                                 break;
1214                         case GDK_KEY_End: case GDK_KEY_KP_End:
1215                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1216                                 break;
1217                         default:
1218                                 stop_signal = FALSE;
1219                                 break;
1220                         }
1221
1222                 if (x != 0 || y!= 0)
1223                         {
1224                         if (event->state & GDK_SHIFT_MASK)
1225                                 {
1226                                 x *= 3;
1227                                 y *= 3;
1228                                 }
1229                         keyboard_scroll_calc(&x, &y, event);
1230                         pixbuf_renderer_scroll(pr, x, y);
1231                         }
1232                 }
1233
1234         if (stop_signal) return stop_signal;
1235
1236         if (event->state & GDK_CONTROL_MASK)
1237                 {
1238                 stop_signal = TRUE;
1239                 switch (event->keyval)
1240                         {
1241                         case '1':
1242                         case '2':
1243                         case '3':
1244                         case '4':
1245                         case '5':
1246                         case '6':
1247                         case '7':
1248                         case '8':
1249                         case '9':
1250                         case '0':
1251                                 break;
1252                         case 'C': case 'c':
1253                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1254                                 break;
1255                         case 'M': case 'm':
1256                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1257                                 break;
1258                         case 'R': case 'r':
1259                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1260                                 break;
1261                         case 'D': case 'd':
1262                                 if (fd)
1263                                         {
1264                                         options->file_ops.safe_delete_enable = TRUE;
1265                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1266                                         }
1267                                 break;
1268                         case 'F': case 'f':
1269                                 pan_search_toggle_visible(pw, TRUE);
1270                                 break;
1271                         case 'G': case 'g':
1272                                 pan_search_activate(pw);
1273                                 break;
1274                         case 'W': case 'w':
1275                                 pan_window_close(pw);
1276                                 break;
1277                         default:
1278                                 stop_signal = FALSE;
1279                                 break;
1280                         }
1281                 }
1282         else
1283                 {
1284                 stop_signal = TRUE;
1285                 switch (event->keyval)
1286                         {
1287                         case GDK_KEY_Escape:
1288                                 if (pw->fs)
1289                                         {
1290                                         pan_fullscreen_toggle(pw, TRUE);
1291                                         }
1292                                 else
1293                                         {
1294                                         pan_search_toggle_visible(pw, FALSE);
1295                                         }
1296                                 break;
1297                         default:
1298                                 stop_signal = FALSE;
1299                                 break;
1300                         }
1301
1302                 if (stop_signal) return stop_signal;
1303
1304                 // Don't steal characters from entry boxes.
1305                 if (!on_entry)
1306                         {
1307                         stop_signal = TRUE;
1308                         switch (event->keyval)
1309                                 {
1310                                 case '+': case '=': case GDK_KEY_KP_Add:
1311                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1312                                         break;
1313                                 case '-': case GDK_KEY_KP_Subtract:
1314                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1315                                         break;
1316                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1317                                         pixbuf_renderer_zoom_set(pr, 1.0);
1318                                         break;
1319                                 case '2':
1320                                         pixbuf_renderer_zoom_set(pr, 2.0);
1321                                         break;
1322                                 case '3':
1323                                         pixbuf_renderer_zoom_set(pr, 3.0);
1324                                         break;
1325                                 case '4':
1326                                         pixbuf_renderer_zoom_set(pr, 4.0);
1327                                         break;
1328                                 case '7':
1329                                         pixbuf_renderer_zoom_set(pr, -4.0);
1330                                         break;
1331                                 case '8':
1332                                         pixbuf_renderer_zoom_set(pr, -3.0);
1333                                         break;
1334                                 case '9':
1335                                         pixbuf_renderer_zoom_set(pr, -2.0);
1336                                         break;
1337                                 case 'F': case 'f':
1338                                 case 'V': case 'v':
1339                                 case GDK_KEY_F11:
1340                                         pan_fullscreen_toggle(pw, FALSE);
1341                                         break;
1342                                 case 'I': case 'i':
1343                                         break;
1344                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1345                                         break;
1346                                 case GDK_KEY_Menu:
1347                                 case GDK_KEY_F10:
1348                                         menu = pan_popup_menu(pw);
1349                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1350
1351                                         break;
1352                                 case '/':
1353                                         pan_search_toggle_visible(pw, TRUE);
1354                                         break;
1355                                         stop_signal = FALSE;
1356                                         break;
1357                                 }
1358                         }
1359                 }
1360         if (!stop_signal && is_help_key(event))
1361                 {
1362                 help_window_show("GuideOtherWindowsPanView.html");
1363                 stop_signal = TRUE;
1364                 }
1365
1366         return stop_signal;
1367 }
1368
1369 /*
1370  *-----------------------------------------------------------------------------
1371  * info popup
1372  *-----------------------------------------------------------------------------
1373  */
1374
1375 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1376 {
1377         GList *exif_list;
1378         gchar *text;
1379         gchar *title;
1380         gchar *key;
1381
1382         if (!fd) return;
1383
1384         exif_list = bar_pane_exif_list();
1385         while (exif_list)
1386                 {
1387                 title = static_cast<gchar *>(exif_list->data);
1388                 exif_list = exif_list->next;
1389                 key = static_cast<gchar *>(exif_list->data);
1390                 exif_list = exif_list->next;
1391
1392                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1393                 if (text && text[0] != '\0')
1394                         {
1395                         pan_text_alignment_add(ta, title, text);
1396                         }
1397
1398                 g_free(text);
1399                 }
1400
1401         g_list_free_full(exif_list, g_free);
1402 }
1403
1404
1405 void pan_info_update(PanWindow *pw, PanItem *pi)
1406 {
1407         PanTextAlignment *ta;
1408         PanItem *pbox;
1409         PanItem *p;
1410         gchar *buf;
1411         gint x1;
1412         gint y1;
1413         gint x2;
1414         gint y2;
1415         gint x3;
1416         gint y3;
1417         gint x;
1418         gint y;
1419         gint w;
1420         gint h;
1421
1422         if (pw->click_pi == pi) return;
1423         if (pi && !pi->fd) pi = nullptr;
1424
1425         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1426         pw->click_pi = pi;
1427
1428         if (!pi) return;
1429
1430         DEBUG_1("info set to %s", pi->fd->path);
1431
1432         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1433                                 PAN_POPUP_BORDER,
1434                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1435                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1436         pan_item_set_key(pbox, "info");
1437
1438         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1439                 {
1440                 w = gdk_pixbuf_get_width(pi->pixbuf);
1441                 h = gdk_pixbuf_get_height(pi->pixbuf);
1442
1443                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1444                 y1 = pi->y + (pi->height - h) / 2 + 8;
1445                 }
1446         else
1447                 {
1448                 x1 = pi->x + pi->width - 8;
1449                 y1 = pi->y + 8;
1450                 }
1451
1452         x2 = pbox->x + 1;
1453         y2 = pbox->y + 36;
1454         x3 = pbox->x + 1;
1455         y3 = pbox->y + 12;
1456         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1457                            &x, &y, &w, &h);
1458
1459         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1460                              x1, y1, x2, y2, x3, y3,
1461                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1462         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1463         pan_item_set_key(p, "info");
1464         pan_item_added(pw, p);
1465
1466         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1467
1468         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1469         buf = remove_level_from_path(pi->fd->path);
1470         pan_text_alignment_add(ta, _("Location:"), buf);
1471         g_free(buf);
1472         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1473         buf = text_from_size(pi->fd->size);
1474         pan_text_alignment_add(ta, _("Size:"), buf);
1475         g_free(buf);
1476
1477         if (pw->info_includes_exif)
1478                 {
1479                 pan_info_add_exif(ta, pi->fd);
1480                 }
1481
1482         pan_text_alignment_calc(ta, pbox);
1483         pan_text_alignment_free(ta);
1484
1485         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1486         pan_item_added(pw, pbox);
1487
1488         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1489                 {
1490                 gint iw;
1491                 gint ih;
1492                 if (image_load_dimensions(pi->fd, &iw, &ih))
1493                         {
1494                         gint scale = 25;
1495
1496                         switch (pw->info_image_size)
1497                                 {
1498                                 case PAN_IMAGE_SIZE_10:
1499                                         scale = 10;
1500                                         break;
1501                                 case PAN_IMAGE_SIZE_25:
1502                                         scale = 25;
1503                                         break;
1504                                 case PAN_IMAGE_SIZE_33:
1505                                         scale = 33;
1506                                         break;
1507                                 case PAN_IMAGE_SIZE_50:
1508                                         scale = 50;
1509                                         break;
1510                                 case PAN_IMAGE_SIZE_100:
1511                                         scale = 100;
1512                                         break;
1513                                 }
1514
1515                         iw = MAX(1, iw * scale / 100);
1516                         ih = MAX(1, ih * scale / 100);
1517
1518                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1519                                                 PAN_POPUP_BORDER,
1520                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1521                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1522                         pan_item_set_key(pbox, "info");
1523
1524                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1525                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1526                         pan_item_set_key(p, "info");
1527                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1528
1529                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1530                         pan_item_added(pw, pbox);
1531                         }
1532                 }
1533
1534         pan_layout_resize(pw);
1535 }
1536
1537
1538 /*
1539  *-----------------------------------------------------------------------------
1540  * main window
1541  *-----------------------------------------------------------------------------
1542  */
1543
1544 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1545 {
1546         auto pw = static_cast<PanWindow *>(data);
1547         PanItem *pi = nullptr;
1548         GtkWidget *menu;
1549         gint rx;
1550         gint ry;
1551
1552         rx = ry = 0;
1553         if (pr->scale)
1554                 {
1555                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1556                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1557                 }
1558
1559         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1560         if (pi && event->button == MOUSE_BUTTON_LEFT)
1561                 {
1562                 pan_info_update(pw, nullptr);
1563                 return;
1564                 }
1565
1566         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1567                                     rx, ry, nullptr);
1568
1569         switch (event->button)
1570                 {
1571                 case MOUSE_BUTTON_LEFT:
1572                         pan_info_update(pw, pi);
1573
1574                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1575                                 {
1576                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1577                                 pan_calendar_update(pw, pi);
1578                                 }
1579                         break;
1580                 case MOUSE_BUTTON_MIDDLE:
1581                         break;
1582                 case MOUSE_BUTTON_RIGHT:
1583                         pan_info_update(pw, pi);
1584                         menu = pan_popup_menu(pw);
1585                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1586                         break;
1587                 default:
1588                         break;
1589                 }
1590 }
1591
1592 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1593 {
1594         gint w;
1595         gint h;
1596
1597         w = pr->vis_width;
1598         h = pr->vis_height;
1599
1600         if (!(event->state & GDK_SHIFT_MASK))
1601                 {
1602                 w /= 3;
1603                 h /= 3;
1604                 }
1605
1606         if (event->state & GDK_CONTROL_MASK)
1607                 {
1608                 switch (event->direction)
1609                         {
1610                         case GDK_SCROLL_UP:
1611                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1612                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1613                                 break;
1614                         case GDK_SCROLL_DOWN:
1615                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1616                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1617                                 break;
1618                         default:
1619                                 break;
1620                         }
1621                 }
1622         else
1623                 {
1624                 switch (event->direction)
1625                         {
1626                         case GDK_SCROLL_UP:
1627                                 pixbuf_renderer_scroll(pr, 0, -h);
1628                                 break;
1629                         case GDK_SCROLL_DOWN:
1630                                 pixbuf_renderer_scroll(pr, 0, h);
1631                                 break;
1632                         case GDK_SCROLL_LEFT:
1633                                 pixbuf_renderer_scroll(pr, -w, 0);
1634                                 break;
1635                         case GDK_SCROLL_RIGHT:
1636                                 pixbuf_renderer_scroll(pr, w, 0);
1637                                 break;
1638                         default:
1639                                 break;
1640                         }
1641                 }
1642 }
1643
1644 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1645 {
1646         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1647                          G_CALLBACK(button_cb), pw);
1648         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1649                          G_CALLBACK(scroll_cb), pw);
1650 }
1651
1652 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1653 {
1654         auto pw = static_cast<PanWindow *>(data);
1655
1656         pw->fs = nullptr;
1657         pw->imd = pw->imd_normal;
1658 }
1659
1660 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1661 {
1662         if (force_off && !pw->fs) return;
1663
1664         if (pw->fs)
1665                 {
1666                 fullscreen_stop(pw->fs);
1667                 }
1668         else
1669                 {
1670                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1671                 pan_image_set_buttons(pw, pw->fs->imd);
1672                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1673                                  G_CALLBACK(pan_window_key_press_cb), pw);
1674
1675                 pw->imd = pw->fs->imd;
1676                 }
1677 }
1678
1679 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1680 {
1681         auto pw = static_cast<PanWindow *>(data);
1682         gchar *text;
1683
1684         text = image_zoom_get_as_text(pw->imd);
1685         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1686         g_free(text);
1687 }
1688
1689 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1690 {
1691         auto pw = static_cast<PanWindow *>(data);
1692         GtkAdjustment *adj;
1693         GdkRectangle rect;
1694         gint width;
1695         gint height;
1696
1697         if (pr->scale == 0.0) return;
1698
1699         pixbuf_renderer_get_visible_rect(pr, &rect);
1700         pixbuf_renderer_get_image_size(pr, &width, &height);
1701
1702         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1703         gtk_adjustment_set_page_size(adj, rect.width);
1704         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1705         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1706         gtk_adjustment_set_lower(adj, 0.0);
1707         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1708         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1709
1710         pref_signal_block_data(pw->scrollbar_h, pw);
1711         pref_signal_unblock_data(pw->scrollbar_h, pw);
1712
1713         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1714         gtk_adjustment_set_page_size(adj, rect.height);
1715         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1716         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1717         gtk_adjustment_set_lower(adj, 0.0);
1718         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1719         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1720
1721         pref_signal_block_data(pw->scrollbar_v, pw);
1722         pref_signal_unblock_data(pw->scrollbar_v, pw);
1723 }
1724
1725 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1726 {
1727         auto pw = static_cast<PanWindow *>(data);
1728         PixbufRenderer *pr;
1729         gint x;
1730
1731         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1732
1733         if (!pr->scale) return;
1734
1735         x = static_cast<gint>(gtk_range_get_value(range));
1736
1737         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1738 }
1739
1740 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1741 {
1742         auto pw = static_cast<PanWindow *>(data);
1743         PixbufRenderer *pr;
1744         gint y;
1745
1746         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1747
1748         if (!pr->scale) return;
1749
1750         y = static_cast<gint>(gtk_range_get_value(range));
1751
1752         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1753 }
1754
1755 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1756 {
1757         auto pw = static_cast<PanWindow *>(data);
1758
1759         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1760         pan_layout_update(pw);
1761 }
1762
1763 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1764 {
1765         auto pw = static_cast<PanWindow *>(data);
1766
1767         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1768         pan_layout_update(pw);
1769 }
1770
1771 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1772 {
1773         auto pw = static_cast<PanWindow *>(data);
1774         gchar *path;
1775
1776         path = remove_trailing_slash(new_text);
1777         parse_out_relatives(path);
1778
1779         if (!isdir(path))
1780                 {
1781                 warning_dialog(_("Folder not found"),
1782                                _("The entered path is not a folder"),
1783                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1784                 }
1785         else
1786                 {
1787                 FileData *dir_fd = file_data_new_dir(path);
1788                 tab_completion_append_to_history(pw->path_entry, path);
1789
1790                 pan_layout_set_fd(pw, dir_fd);
1791                 file_data_unref(dir_fd);
1792                 }
1793
1794         g_free(path);
1795 }
1796
1797 static void pan_window_close(PanWindow *pw)
1798 {
1799         pan_window_list = g_list_remove(pan_window_list, pw);
1800
1801         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1802         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1803         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1804
1805         if (pw->idle_id)
1806                 {
1807                 g_source_remove(pw->idle_id);
1808                 }
1809
1810         pan_fullscreen_toggle(pw, TRUE);
1811         pan_search_ui_destroy(&pw->search_ui);
1812         pan_filter_ui_destroy(&pw->filter_ui);
1813         gq_gtk_widget_destroy(pw->window);
1814
1815         pan_window_items_free(pw);
1816         pan_cache_free(pw);
1817
1818         file_data_unref(pw->dir_fd);
1819
1820         g_free(pw);
1821 }
1822
1823 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1824 {
1825         auto pw = static_cast<PanWindow *>(data);
1826
1827         pan_window_close(pw);
1828         return TRUE;
1829 }
1830
1831 static void pan_window_new_real(FileData *dir_fd)
1832 {
1833         PanWindow *pw;
1834         GtkWidget *vbox;
1835         GtkWidget *box;
1836         GtkWidget *combo;
1837         GtkWidget *hbox;
1838         GtkWidget *frame;
1839         GtkWidget *table;
1840         GdkGeometry geometry;
1841
1842         pw = g_new0(PanWindow, 1);
1843
1844         pw->dir_fd = file_data_ref(dir_fd);
1845         pw->layout = PAN_LAYOUT_TIMELINE;
1846         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1847         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1848         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1849
1850         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1851                 {
1852                 pw->exif_date_enable = FALSE;
1853                 }
1854         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1855                 {
1856                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1857                 }
1858         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1859                 {
1860                 pw->info_includes_exif = TRUE;
1861                 }
1862
1863         pw->ignore_symlinks = TRUE;
1864
1865         pw->idle_id = 0;
1866
1867         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1868         DEBUG_NAME(pw->window);
1869
1870         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1871         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1872         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1873
1874         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1875         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1876
1877         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1878         DEBUG_NAME(vbox);
1879         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1880         gtk_widget_show(vbox);
1881
1882         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1883
1884         pref_spacer(box, 0);
1885         pref_label_new(box, _("Location:"));
1886         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1887                                                 pan_window_entry_activate_cb, pw);
1888         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1889         gtk_widget_show(combo);
1890
1891         combo = gtk_combo_box_text_new();
1892         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1893         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1894         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1895         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1896         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1897
1898         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1899         g_signal_connect(G_OBJECT(combo), "changed",
1900                          G_CALLBACK(pan_window_layout_change_cb), pw);
1901         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1902         gtk_widget_show(combo);
1903
1904         combo = gtk_combo_box_text_new();
1905         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1906         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1907         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1908         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1909         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1910         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1911         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1912         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1913         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1914         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1915
1916         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1917         g_signal_connect(G_OBJECT(combo), "changed",
1918                          G_CALLBACK(pan_window_layout_size_cb), pw);
1919         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1920         gtk_widget_show(combo);
1921
1922         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1923         gtk_grid_set_row_spacing(GTK_GRID(table), 2);
1924         gtk_grid_set_column_spacing(GTK_GRID(table), 2);
1925
1926         pw->imd = image_new(TRUE);
1927         pw->imd_normal = pw->imd;
1928
1929         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1930                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1931         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1932                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1933
1934         gq_gtk_grid_attach(GTK_GRID(table), pw->imd->widget, 0, 1, 0, 1, static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1935         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1936
1937         pan_window_dnd_init(pw);
1938
1939         pan_image_set_buttons(pw, pw->imd);
1940
1941         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1942         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1943                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1944         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_h, 0, 1, 1, 2,  static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), static_cast<GtkAttachOptions>(0), 0, 0);
1945         gtk_widget_show(pw->scrollbar_h);
1946
1947         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1948         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1949                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1950         gq_gtk_grid_attach(GTK_GRID(table), pw->scrollbar_v, 1, 2, 0, 1,  static_cast<GtkAttachOptions>(0), static_cast<GtkAttachOptions>(GTK_FILL | GTK_EXPAND), 0, 0);
1951         gtk_widget_show(pw->scrollbar_v);
1952
1953         /* find bar */
1954
1955         pw->search_ui = pan_search_ui_new(pw);
1956         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1957
1958     /* filter bar */
1959     pw->filter_ui = pan_filter_ui_new(pw);
1960     gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1961
1962         /* status bar */
1963
1964         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1965
1966         frame = gtk_frame_new(nullptr);
1967         DEBUG_NAME(frame);
1968         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1969         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1970         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1971         gtk_widget_show(frame);
1972
1973         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1974         gtk_container_add(GTK_CONTAINER(frame), hbox);
1975         gtk_widget_show(hbox);
1976
1977         pref_spacer(hbox, 0);
1978         pw->label_message = pref_label_new(hbox, "");
1979
1980         frame = gtk_frame_new(nullptr);
1981         DEBUG_NAME(frame);
1982         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1983         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1984         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1985         gtk_widget_show(frame);
1986
1987         pw->label_zoom = gtk_label_new("");
1988         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1989         gtk_widget_show(pw->label_zoom);
1990
1991         // Add the "Find" button to the status bar area.
1992         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1993         gtk_widget_show(pw->search_ui->search_button);
1994
1995         // Add the "Filter" button to the status bar area.
1996         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1997         gtk_widget_show(pw->filter_ui->filter_button);
1998
1999         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2000                          G_CALLBACK(pan_window_delete_cb), pw);
2001         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2002                          G_CALLBACK(pan_window_key_press_cb), pw);
2003
2004         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2005
2006         pan_layout_update(pw);
2007
2008         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2009         gtk_widget_show(pw->window);
2010
2011         pan_window_list = g_list_append(pan_window_list, pw);
2012 }
2013
2014 /*
2015  *-----------------------------------------------------------------------------
2016  * performance warnings
2017  *-----------------------------------------------------------------------------
2018  */
2019
2020 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2021 {
2022         auto dir_fd = static_cast<FileData *>(data);
2023
2024         generic_dialog_close(gd);
2025
2026         pan_window_new_real(dir_fd);
2027         file_data_unref(dir_fd);
2028 }
2029
2030 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2031 {
2032         gboolean hide_dlg;
2033
2034         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2035         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2036 }
2037
2038 static gboolean pan_warning(FileData *dir_fd)
2039 {
2040         GenericDialog *gd;
2041         GtkWidget *box;
2042         GtkWidget *group;
2043         GtkWidget *checkbox;
2044         GtkWidget *ct_button;
2045         gboolean hide_dlg;
2046
2047         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2048                 {
2049                 pan_warning_folder(dir_fd->path, nullptr);
2050                 return TRUE;
2051                 }
2052
2053         if (options->thumbnails.enable_caching &&
2054             options->thumbnails.spec_standard) return FALSE;
2055
2056         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2057         if (hide_dlg) return FALSE;
2058
2059         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2060                                 nullptr, nullptr);
2061         gd->data = file_data_ref(dir_fd);
2062         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2063                                   pan_warning_ok_cb, TRUE);
2064
2065         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2066                                          _("Pan view performance may be poor."),
2067                                          _("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);
2068
2069         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2070         pref_spacer(group, PREF_PAD_INDENT);
2071         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2072
2073         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2074                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2075         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2076                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2077         pref_checkbox_link_sensitivity(ct_button, checkbox);
2078
2079         pref_line(box, 0);
2080
2081         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2082                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2083
2084         gtk_widget_show(gd->dialog);
2085
2086         return TRUE;
2087 }
2088
2089
2090 /*
2091  *-----------------------------------------------------------------------------
2092  * entry point
2093  *-----------------------------------------------------------------------------
2094  */
2095
2096 void pan_window_new(FileData *dir_fd)
2097 {
2098         if (pan_warning(dir_fd)) return;
2099
2100         pan_window_new_real(dir_fd);
2101 }
2102
2103
2104 /*
2105  *-----------------------------------------------------------------------------
2106  * menus
2107  *-----------------------------------------------------------------------------
2108  */
2109
2110 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2111
2112
2113 static void pan_new_window_cb(GtkWidget *, gpointer data)
2114 {
2115         auto pw = static_cast<PanWindow *>(data);
2116         FileData *fd;
2117
2118         fd = pan_menu_click_fd(pw);
2119         if (fd)
2120                 {
2121                 pan_fullscreen_toggle(pw, TRUE);
2122                 view_window_new(fd);
2123                 }
2124 }
2125
2126 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2127 {
2128         LayoutWindow *lw = nullptr;
2129         auto pw = static_cast<PanWindow *>(data);
2130         FileData *fd;
2131
2132         if (!layout_valid(&lw)) return;
2133
2134         fd = pan_menu_click_fd(pw);
2135         if (fd)
2136                 {
2137                 layout_set_fd(lw, fd);
2138                 }
2139 }
2140
2141 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2142 {
2143         PanWindow *pw;
2144         FileData *fd;
2145         auto key = static_cast<const gchar *>(data);
2146
2147         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2148         if (!pw) return;
2149
2150         fd = pan_menu_click_fd(pw);
2151         if (fd)
2152                 {
2153                 if (!editor_window_flag_set(key))
2154                         {
2155                         pan_fullscreen_toggle(pw, TRUE);
2156                         }
2157                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2158                 }
2159 }
2160
2161 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2162 {
2163         auto pw = static_cast<PanWindow *>(data);
2164
2165         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2166 }
2167
2168 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2169 {
2170         auto pw = static_cast<PanWindow *>(data);
2171
2172         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2173 }
2174
2175 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2176 {
2177         auto pw = static_cast<PanWindow *>(data);
2178
2179         image_zoom_set(pw->imd, 1.0);
2180 }
2181
2182 static void pan_copy_cb(GtkWidget *, gpointer data)
2183 {
2184         auto pw = static_cast<PanWindow *>(data);
2185         FileData *fd;
2186
2187         fd = pan_menu_click_fd(pw);
2188         if (fd) file_util_copy(fd, nullptr, nullptr, pw->imd->widget);
2189 }
2190
2191 static void pan_move_cb(GtkWidget *, gpointer data)
2192 {
2193         auto pw = static_cast<PanWindow *>(data);
2194         FileData *fd;
2195
2196         fd = pan_menu_click_fd(pw);
2197         if (fd) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2198 }
2199
2200 static void pan_rename_cb(GtkWidget *, gpointer data)
2201 {
2202         auto pw = static_cast<PanWindow *>(data);
2203         FileData *fd;
2204
2205         fd = pan_menu_click_fd(pw);
2206         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2207 }
2208
2209 static void pan_delete_cb(GtkWidget *, gpointer data)
2210 {
2211         auto pw = static_cast<PanWindow *>(data);
2212         FileData *fd;
2213
2214         fd = pan_menu_click_fd(pw);
2215         if (fd)
2216                 {
2217                 options->file_ops.safe_delete_enable = FALSE;
2218                 file_util_delete(fd, nullptr, pw->imd->widget);
2219                 }
2220 }
2221
2222 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2223 {
2224         auto pw = static_cast<PanWindow *>(data);
2225         FileData *fd;
2226
2227         fd = pan_menu_click_fd(pw);
2228         if (fd)
2229                 {
2230                 options->file_ops.safe_delete_enable = TRUE;
2231                 file_util_delete(fd, nullptr, pw->imd->widget);
2232                 }
2233 }
2234
2235 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2236 {
2237         auto pw = static_cast<PanWindow *>(data);
2238         FileData *fd;
2239
2240         fd = pan_menu_click_fd(pw);
2241         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2242 }
2243
2244 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2245 {
2246         auto pw = static_cast<PanWindow *>(data);
2247         FileData *fd;
2248
2249         fd = pan_menu_click_fd(pw);
2250         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2251 }
2252
2253 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2254 {
2255         auto pw = static_cast<PanWindow *>(data);
2256
2257         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2258         pan_layout_update(pw);
2259 }
2260
2261 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2262 {
2263         auto pw = static_cast<PanWindow *>(data);
2264
2265         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2266         /** @FIXME sync info now */
2267 }
2268
2269 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2270 {
2271         auto pw = static_cast<PanWindow *>(data);
2272
2273         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2274         /** @FIXME sync info now */
2275 }
2276
2277 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2278 {
2279         auto pw = static_cast<PanWindow *>(data);
2280
2281         pan_fullscreen_toggle(pw, FALSE);
2282 }
2283
2284 static void pan_close_cb(GtkWidget *, gpointer data)
2285 {
2286         auto pw = static_cast<PanWindow *>(data);
2287
2288         pan_window_close(pw);
2289 }
2290
2291 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2292 {
2293         auto editmenu_fd_list = static_cast<GList *>(data);
2294
2295         filelist_free(editmenu_fd_list);
2296 }
2297
2298 static void pan_play_cb(GtkWidget *, gpointer data)
2299 {
2300         auto pw = static_cast<PanWindow *>(data);
2301
2302         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2303 }
2304
2305 static GList *pan_view_get_fd_list(PanWindow *pw)
2306 {
2307         GList *list = nullptr;
2308         FileData *fd = pan_menu_click_fd(pw);
2309
2310         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2311
2312         return list;
2313 }
2314
2315 /**
2316  * @brief Add file selection list to a collection
2317  * @param[in] widget
2318  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2319  *
2320  *
2321  */
2322 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2323 {
2324         PanWindow *pw;
2325         GList *selection_list = nullptr;
2326
2327         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2328         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2329         pop_menu_collections(selection_list, data);
2330
2331         filelist_free(selection_list);
2332 }
2333
2334 static GtkWidget *pan_popup_menu(PanWindow *pw)
2335 {
2336         GtkWidget *menu;
2337         GtkWidget *submenu;
2338         GtkWidget *item;
2339         gboolean active;
2340         gboolean video;
2341         GList *editmenu_fd_list;
2342         GtkAccelGroup *accel_group;
2343
2344         active = (pw->click_pi != nullptr);
2345         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2346
2347         menu = popup_menu_short_lived();
2348         accel_group = gtk_accel_group_new();
2349         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2350
2351         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2352         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2353
2354         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2355                             G_CALLBACK(pan_play_cb), pw);
2356         menu_item_add_divider(menu);
2357
2358         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2359                             G_CALLBACK(pan_zoom_in_cb), pw);
2360         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2361                             G_CALLBACK(pan_zoom_out_cb), pw);
2362         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2363                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2364         menu_item_add_divider(menu);
2365
2366         editmenu_fd_list = pan_view_get_fd_list(pw);
2367         g_signal_connect(G_OBJECT(menu), "destroy",
2368                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2369
2370         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2371         gtk_widget_set_sensitive(item, active);
2372
2373         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2374                                       G_CALLBACK(pan_new_window_cb), pw);
2375         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2376                         G_CALLBACK(pan_go_to_original_cb), pw);
2377
2378         menu_item_add_divider(menu);
2379         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2380                                       G_CALLBACK(pan_copy_cb), pw);
2381         menu_item_add_sensitive(menu, _("_Move..."), active,
2382                                 G_CALLBACK(pan_move_cb), pw);
2383         menu_item_add_sensitive(menu, _("_Rename..."), active,
2384                                 G_CALLBACK(pan_rename_cb), pw);
2385         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2386                                 G_CALLBACK(pan_copy_path_cb), pw);
2387         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2388                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2389
2390         menu_item_add_divider(menu);
2391         menu_item_add_icon_sensitive(menu,
2392                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2393                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2394                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2395         menu_item_add_icon_sensitive(menu,
2396                                 options->file_ops.confirm_delete ? _("_Delete...") :
2397                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2398                                                 G_CALLBACK(pan_delete_cb), pw);
2399
2400         menu_item_add_divider(menu);
2401
2402         submenu = submenu_add_collections(menu, &item,
2403                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2404         gtk_widget_set_sensitive(item, TRUE);
2405         menu_item_add_divider(menu);
2406
2407
2408         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2409                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2410         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2411
2412         menu_item_add_divider(menu);
2413
2414         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2415                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2416         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2417         submenu = gtk_menu_new();
2418         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2419
2420         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2421                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2422         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2423
2424         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2425                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2426         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2427
2428         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2429                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2430         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2431
2432         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2433                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2434         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2435
2436         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2437                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2438         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2439
2440         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2441                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2442         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2443
2444
2445
2446         menu_item_add_divider(menu);
2447
2448         if (pw->fs)
2449                 {
2450                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2451                 }
2452         else
2453                 {
2454                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2455                 }
2456
2457         menu_item_add_divider(menu);
2458         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2459
2460         return menu;
2461 }
2462
2463
2464 /*
2465  *-----------------------------------------------------------------------------
2466  * drag and drop
2467  *-----------------------------------------------------------------------------
2468  */
2469
2470 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2471                                     gint, gint,
2472                                     GtkSelectionData *selection_data, guint info,
2473                                     guint, gpointer data)
2474 {
2475         auto pw = static_cast<PanWindow *>(data);
2476
2477         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2478
2479         if (info == TARGET_URI_LIST)
2480                 {
2481                 GList *list;
2482
2483                 list = uri_filelist_from_gtk_selection_data(selection_data);
2484                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2485                         {
2486                         auto fd = static_cast<FileData *>(list->data);
2487
2488                         pan_layout_set_fd(pw, fd);
2489                         }
2490
2491                 filelist_free(list);
2492                 }
2493 }
2494
2495 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2496                                     GtkSelectionData *selection_data, guint,
2497                                     guint, gpointer data)
2498 {
2499         auto pw = static_cast<PanWindow *>(data);
2500         FileData *fd;
2501
2502         fd = pan_menu_click_fd(pw);
2503         if (fd)
2504                 {
2505                 GList *list;
2506
2507                 list = g_list_append(nullptr, fd);
2508                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2509                 g_list_free(list);
2510                 }
2511         else
2512                 {
2513                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2514                                        8, nullptr, 0);
2515                 }
2516 }
2517
2518 static void pan_window_dnd_init(PanWindow *pw)
2519 {
2520         GtkWidget *widget;
2521
2522         widget = pw->imd->pr;
2523
2524         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2525                             dnd_file_drag_types, dnd_file_drag_types_count,
2526                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2527         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2528                          G_CALLBACK(pan_window_set_dnd_data), pw);
2529
2530         gtk_drag_dest_set(widget,
2531                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2532                           dnd_file_drop_types, dnd_file_drop_types_count,
2533                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2534         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2535                          G_CALLBACK(pan_window_get_dnd_data), pw);
2536 }
2537
2538 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */