src/pan-view/pan-view.cc

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-view.h"
  23
  24 #include <cmath>
  25 #include <cstring>
  26
  27 #include <gdk-pixbuf/gdk-pixbuf.h>
  28 #include <gdk/gdk.h>
  29 #include <glib-object.h>
  30 #include <gtk/gtk.h>
  31
  32 #include "bar-exif.h"
  33 #include "cache-loader.h"
  34 #include "cache.h"
  35 #include "compat.h"
  36 #include "debug.h"
  37 #include "dnd.h"
  38 #include "editors.h"
  39 #include "exif.h"
  40 #include "filedata.h"
  41 #include "fullscreen.h"
  42 #include "image-load.h"
  43 #include "image.h"
  44 #include "img-view.h"
  45 #include "intl.h"
  46 #include "layout-util.h"
  47 #include "layout.h"
  48 #include "main-defines.h"
  49 #include "main.h"
  50 #include "menu.h"
  51 #include "metadata.h"
  52 #include "options.h"
  53 #include "pan-calendar.h"
  54 #include "pan-folder.h"
  55 #include "pan-grid.h"
  56 #include "pan-item.h"
  57 #include "pan-timeline.h"
  58 #include "pan-types.h"
  59 #include "pan-util.h"
  60 #include "pan-view-filter.h"
  61 #include "pan-view-search.h"
  62 #include "pixbuf-renderer.h"
  63 #include "pixbuf-util.h"
  64 #include "thumb.h"
  65 #include "ui-fileops.h"
  66 #include "ui-menu.h"
  67 #include "ui-misc.h"
  68 #include "ui-tabcomp.h"
  69 #include "ui-utildlg.h"
  70 #include "uri-utils.h"
  71 #include "utilops.h"
  72 #include "window.h"
  73
  74 namespace
  75 {
  76
  77 constexpr gint PAN_TILE_SIZE = 512;
  78 constexpr gint ZOOM_LABEL_WIDTH = 64;
  79
  80 } // namespace
  81
  82 enum {
  83         PAN_WINDOW_DEFAULT_WIDTH = 720,
  84         PAN_WINDOW_DEFAULT_HEIGHT = 500
  85 };
  86
  87 #define ZOOM_INCREMENT 1.0
  88
  89 #define PAN_PREF_GROUP          "pan_view_options"
  90 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  91 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  92 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  93 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  94
  95
  96 static GList *pan_window_list = nullptr;
  97
  98
  99 static void pan_layout_update_idle(PanWindow *pw);
 100
 101 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
 102
 103 static void pan_window_close(PanWindow *pw);
 104
 105 static GtkWidget *pan_popup_menu(PanWindow *pw);
 106
 107 static void pan_window_dnd_init(PanWindow *pw);
 108
 109 /**
 110  * This array must be kept in sync with the contents of:\n
 111  * @link pan_window_key_press_cb @endlink \n
 112  * @link pan_popup_menu @endlink
 113  *
 114  * See also @link hard_coded_window_keys @endlink
 115  **/
 116 hard_coded_window_keys pan_view_window_keys[] = {
 117         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 118         {GDK_CONTROL_MASK, 'M', N_("Move")},
 119         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 120         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 121         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 122         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 123         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 124         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 125         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 127         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 128         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 129         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 130         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 131         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 132         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 133         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 134         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 135         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 136         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 137         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 138         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 139         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 140         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 141         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 142         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 143         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 144         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 145         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 146         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 147         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 148         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 149         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 150         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 151         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 152         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 153         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 154         {static_cast<GdkModifierType>(0), 0, nullptr}
 155 };
 156
 157 /*
 158  *-----------------------------------------------------------------------------
 159  * the image/thumb loader queue
 160  *-----------------------------------------------------------------------------
 161  */
 162
 163 static gboolean pan_queue_step(PanWindow *pw);
 164
 165
 166 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 167 {
 168         auto pw = static_cast<PanWindow *>(data);
 169
 170         if (pw->queue_pi)
 171                 {
 172                 PanItem *pi;
 173                 gint rc;
 174
 175                 pi = pw->queue_pi;
 176                 pw->queue_pi = nullptr;
 177
 178                 pi->queued = FALSE;
 179
 180                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 181                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 182
 183                 rc = pi->refcount;
 184                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 185                 pi->refcount = rc;
 186                 }
 187
 188         thumb_loader_free(pw->tl);
 189         pw->tl = nullptr;
 190
 191         while (pan_queue_step(pw));
 192 }
 193
 194 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 195 {
 196         auto pw = static_cast<PanWindow *>(data);
 197         GdkPixbuf *rotated = nullptr;
 198
 199         if (pw->queue_pi)
 200                 {
 201                 PanItem *pi;
 202                 gint rc;
 203
 204                 pi = pw->queue_pi;
 205                 pw->queue_pi = nullptr;
 206
 207                 pi->queued = FALSE;
 208
 209                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 210                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 211
 212                 if (pi->pixbuf && options->image.exif_rotate_enable)
 213                         {
 214                         if (!il->fd->exif_orientation)
 215                                 {
 216                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 217                                         {
 218                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 219                                         }
 220                                 else
 221                                         {
 222                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 223                                         }
 224                                 }
 225
 226                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 227                                 {
 228                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 229                                 pi->pixbuf = rotated;
 230                                 }
 231                         }
 232
 233                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 234
 235                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 236                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 237                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 238                         {
 239                         GdkPixbuf *tmp;
 240
 241                         tmp = pi->pixbuf;
 242                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 243                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 244                         g_object_unref(tmp);
 245                         }
 246
 247                 rc = pi->refcount;
 248                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 249                 pi->refcount = rc;
 250                 }
 251
 252         image_loader_free(pw->il);
 253         pw->il = nullptr;
 254
 255         while (pan_queue_step(pw));
 256 }
 257
 258 static gboolean pan_queue_step(PanWindow *pw)
 259 {
 260         PanItem *pi;
 261
 262         if (!pw->queue) return FALSE;
 263
 264         pi = static_cast<PanItem *>(pw->queue->data);
 265         pw->queue = g_list_remove(pw->queue, pi);
 266         pw->queue_pi = pi;
 267
 268         if (!pw->queue_pi->fd)
 269                 {
 270                 pw->queue_pi->queued = FALSE;
 271                 pw->queue_pi = nullptr;
 272                 return TRUE;
 273                 }
 274
 275         image_loader_free(pw->il);
 276         pw->il = nullptr;
 277         thumb_loader_free(pw->tl);
 278         pw->tl = nullptr;
 279
 280         if (pi->type == PAN_ITEM_IMAGE)
 281                 {
 282                 pw->il = image_loader_new(pi->fd);
 283
 284                 if (pw->size != PAN_IMAGE_SIZE_100)
 285                         {
 286                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 287                         }
 288
 289                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 290                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 291
 292                 if (image_loader_start(pw->il)) return FALSE;
 293
 294                 image_loader_free(pw->il);
 295                 pw->il = nullptr;
 296                 }
 297         else if (pi->type == PAN_ITEM_THUMB)
 298                 {
 299                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 300
 301                 if (!pw->tl->standard_loader)
 302                         {
 303                         /* The classic loader will recreate a thumbnail any time we
 304                          * request a different size than what exists. This view will
 305                          * almost never use the user configured sizes so disable cache.
 306                          */
 307                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 308                         }
 309
 310                 thumb_loader_set_callbacks(pw->tl,
 311                                            pan_queue_thumb_done_cb,
 312                                            pan_queue_thumb_done_cb,
 313                                            nullptr, pw);
 314
 315                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 316
 317                 thumb_loader_free(pw->tl);
 318                 pw->tl = nullptr;
 319                 }
 320
 321         pw->queue_pi->queued = FALSE;
 322         pw->queue_pi = nullptr;
 323         return TRUE;
 324 }
 325
 326 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 327 {
 328         if (!pi || pi->queued || pi->pixbuf) return;
 329         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 330             (!pi->key || strcmp(pi->key, "info") != 0) )
 331                 {
 332                 return;
 333                 }
 334
 335         pi->queued = TRUE;
 336         pw->queue = g_list_prepend(pw->queue, pi);
 337
 338         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 339 }
 340
 341
 342 /*
 343  *-----------------------------------------------------------------------------
 344  * tile request/dispose handlers
 345  *-----------------------------------------------------------------------------
 346  */
 347
 348 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 349                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 350 {
 351         auto pw = static_cast<PanWindow *>(data);
 352         GList *list;
 353         GList *work;
 354         gint i;
 355
 356         pixbuf_set_rect_fill(pixbuf,
 357                              0, 0, width, height,
 358                              PAN_BACKGROUND_COLOR, 255);
 359
 360         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 361                 {
 362                 gint rx;
 363                 gint ry;
 364                 gint rw;
 365                 gint rh;
 366
 367                 if (util_clip_region(x, y, width, height,
 368                                      i, y, 1, height,
 369                                      &rx, &ry, &rw, &rh))
 370                         {
 371                         pixbuf_draw_rect_fill(pixbuf,
 372                                               rx - x, ry - y, rw, rh,
 373                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 374                         }
 375                 }
 376         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 377                 {
 378                 gint rx;
 379                 gint ry;
 380                 gint rw;
 381                 gint rh;
 382
 383                 if (util_clip_region(x, y, width, height,
 384                                      x, i, width, 1,
 385                                      &rx, &ry, &rw, &rh))
 386                         {
 387                         pixbuf_draw_rect_fill(pixbuf,
 388                                               rx - x, ry - y, rw, rh,
 389                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 390                         }
 391                 }
 392
 393         list = pan_layout_intersect(pw, x, y, width, height);
 394         work = list;
 395         while (work)
 396                 {
 397                 PanItem *pi;
 398                 gboolean queue = FALSE;
 399
 400                 pi = static_cast<PanItem *>(work->data);
 401                 work = work->next;
 402
 403                 pi->refcount++;
 404
 405                 switch (pi->type)
 406                         {
 407                         case PAN_ITEM_BOX:
 408                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 409                                 break;
 410                         case PAN_ITEM_TRIANGLE:
 411                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 412                                 break;
 413                         case PAN_ITEM_TEXT:
 414                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 415                                 break;
 416                         case PAN_ITEM_THUMB:
 417                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 418                                 break;
 419                         case PAN_ITEM_IMAGE:
 420                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 421                                 break;
 422                         case PAN_ITEM_NONE:
 423                         default:
 424                                 break;
 425                         }
 426
 427                 if (queue) pan_queue_add(pw, pi);
 428                 }
 429
 430         g_list_free(list);
 431
 432         return TRUE;
 433 }
 434
 435 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 436                                        gint width, gint height, GdkPixbuf *, gpointer data)
 437 {
 438         auto pw = static_cast<PanWindow *>(data);
 439         GList *list;
 440         GList *work;
 441
 442         list = pan_layout_intersect(pw, x, y, width, height);
 443         work = list;
 444         while (work)
 445                 {
 446                 PanItem *pi;
 447
 448                 pi = static_cast<PanItem *>(work->data);
 449                 work = work->next;
 450
 451                 if (pi->refcount > 0)
 452                         {
 453                         pi->refcount--;
 454
 455                         if (pi->refcount == 0)
 456                                 {
 457                                 if (pi->queued)
 458                                         {
 459                                         pw->queue = g_list_remove(pw->queue, pi);
 460                                         pi->queued = FALSE;
 461                                         }
 462                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 463                                 if (pi->pixbuf)
 464                                         {
 465                                         g_object_unref(pi->pixbuf);
 466                                         pi->pixbuf = nullptr;
 467                                         }
 468                                 }
 469                         }
 470                 }
 471
 472         g_list_free(list);
 473 }
 474
 475
 476 /*
 477  *-----------------------------------------------------------------------------
 478  * misc
 479  *-----------------------------------------------------------------------------
 480  */
 481
 482 static void pan_window_message(PanWindow *pw, const gchar *text)
 483 {
 484         GList *work;
 485         gint count = 0;
 486         gint64 size = 0;
 487         gchar *ss;
 488         gchar *buf;
 489
 490         if (text)
 491                 {
 492                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 493                 return;
 494                 }
 495
 496         work = pw->list_static;
 497         if (pw->layout == PAN_LAYOUT_CALENDAR)
 498                 {
 499                 while (work)
 500                         {
 501                         PanItem *pi;
 502
 503                         pi = static_cast<PanItem *>(work->data);
 504                         work = work->next;
 505
 506                         if (pi->fd &&
 507                             pi->type == PAN_ITEM_BOX &&
 508                             pi->key && strcmp(pi->key, "dot") == 0)
 509                                 {
 510                                 size += pi->fd->size;
 511                                 count++;
 512                                 }
 513                         }
 514                 }
 515         else
 516                 {
 517                 while (work)
 518                         {
 519                         PanItem *pi;
 520
 521                         pi = static_cast<PanItem *>(work->data);
 522                         work = work->next;
 523
 524                         if (pi->fd &&
 525                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 526                                 {
 527                                 size += pi->fd->size;
 528                                 count++;
 529                                 }
 530                         }
 531                 }
 532
 533         ss = text_from_size_abrev(size);
 534         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 535         g_free(ss);
 536         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 537         g_free(buf);
 538 }
 539
 540 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 541 {
 542         gchar *message;
 543
 544         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 545         warning_dialog(_("Folder not supported"), message,
 546                       GQ_ICON_DIALOG_INFO, parent);
 547         g_free(message);
 548 }
 549
 550 static void pan_window_zoom_limit(PanWindow *pw)
 551 {
 552         gdouble min;
 553
 554         switch (pw->size)
 555                 {
 556                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 557                 case PAN_IMAGE_SIZE_THUMB_NONE:
 558                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 559                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 560 #if 0
 561                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 562                         min = -16.0;
 563                         break;
 564 #endif
 565                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 566                         min = -6.0;
 567                         break;
 568                 case PAN_IMAGE_SIZE_10:
 569                 case PAN_IMAGE_SIZE_25:
 570                         min = -4.0;
 571                         break;
 572                 case PAN_IMAGE_SIZE_33:
 573                 case PAN_IMAGE_SIZE_50:
 574                 case PAN_IMAGE_SIZE_100:
 575                 default:
 576                         min = -2.0;
 577                         break;
 578                 }
 579
 580         image_zoom_set_limits(pw->imd, min, 32.0);
 581 }
 582
 583
 584 /*
 585  *-----------------------------------------------------------------------------
 586  * cache
 587  *-----------------------------------------------------------------------------
 588  */
 589
 590 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 591 {
 592         auto pca = static_cast<PanCacheData *>(a);
 593         auto pcb = static_cast<PanCacheData *>(b);
 594         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 595 }
 596 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 597 {
 598         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 599 }
 600
 601
 602 static void pan_cache_free(PanWindow *pw)
 603 {
 604         g_list_free_full(pw->cache_list, [](gpointer data)
 605                 {
 606                 auto pc = static_cast<PanCacheData *>(data);
 607                 cache_sim_data_free(pc->cd);
 608                 file_data_unref(pc->fd);
 609                 g_free(pc);
 610                 });
 611         pw->cache_list = nullptr;
 612
 613         filelist_free(pw->cache_todo);
 614         pw->cache_todo = nullptr;
 615
 616         pw->cache_count = 0;
 617         pw->cache_total = 0;
 618         pw->cache_tick = 0;
 619
 620         cache_loader_free(pw->cache_cl);
 621         pw->cache_cl = nullptr;
 622 }
 623
 624 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 625 {
 626         GList *list;
 627
 628         pan_cache_free(pw);
 629
 630         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 631         pw->cache_todo = g_list_reverse(list);
 632
 633         pw->cache_total = g_list_length(pw->cache_todo);
 634 }
 635
 636 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 637 {
 638         auto pw = static_cast<PanWindow *>(data);
 639
 640         if (pw->cache_list)
 641                 {
 642                 PanCacheData *pc;
 643                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 644
 645                 if (!pc->cd)
 646                         {
 647                         pc->cd = cl->cd;
 648                         cl->cd = nullptr;
 649                         }
 650                 }
 651
 652         cache_loader_free(cl);
 653         pw->cache_cl = nullptr;
 654
 655         pan_layout_update_idle(pw);
 656 }
 657
 658 static gboolean pan_cache_step(PanWindow *pw)
 659 {
 660         FileData *fd;
 661         PanCacheData *pc;
 662         CacheDataType load_mask;
 663
 664         if (!pw->cache_todo) return TRUE;
 665
 666         fd = static_cast<FileData *>(pw->cache_todo->data);
 667         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 668
 669         pc = g_new0(PanCacheData, 1);
 670         pc->fd = file_data_ref(fd);
 671
 672         pc->cd = nullptr;
 673
 674         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 675
 676         cache_loader_free(pw->cache_cl);
 677
 678         load_mask = CACHE_LOADER_NONE;
 679         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 680         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 681         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 682                                         pan_cache_step_done_cb, pw);
 683         return (pw->cache_cl == nullptr);
 684 }
 685
 686 /* This sync date function is optimized for lists with a common sort */
 687 void pan_cache_sync_date(PanWindow *pw, GList *list)
 688 {
 689         GList *haystack;
 690         GList *work;
 691
 692         haystack = g_list_copy(pw->cache_list);
 693
 694         work = list;
 695         while (work)
 696                 {
 697                 FileData *fd;
 698                 GList *needle;
 699
 700                 fd = static_cast<FileData *>(work->data);
 701                 work = work->next;
 702
 703                 needle = haystack;
 704                 while (needle)
 705                         {
 706                         PanCacheData *pc;
 707
 708                         pc = static_cast<PanCacheData *>(needle->data);
 709                         if (pc->fd == fd)
 710                                 {
 711                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 712                                         {
 713                                         fd->date = pc->cd->date;
 714                                         }
 715
 716                                 haystack = g_list_delete_link(haystack, needle);
 717                                 needle = nullptr;
 718                                 }
 719                         else
 720                                 {
 721                                 needle = needle->next;
 722                                 }
 723                         }
 724                 }
 725
 726         g_list_free(haystack);
 727 }
 728
 729 /*
 730  *-----------------------------------------------------------------------------
 731  * item grid
 732  *-----------------------------------------------------------------------------
 733  */
 734
 735 static void pan_grid_clear(PanWindow *pw)
 736 {
 737         g_list_free_full(pw->list_grid, [](gpointer data)
 738                 {
 739                 auto pg = static_cast<PanGrid *>(data);
 740                 g_list_free(pg->list);
 741                 g_free(pg);
 742                 });
 743         pw->list_grid = nullptr;
 744
 745         pw->list = g_list_concat(pw->list, pw->list_static);
 746         pw->list_static = nullptr;
 747 }
 748
 749 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 750 {
 751         GList *work;
 752         gint col;
 753         gint row;
 754         gint cw;
 755         gint ch;
 756         gint l;
 757         gint i;
 758         gint j;
 759
 760         pan_grid_clear(pw);
 761
 762         l = g_list_length(pw->list);
 763
 764         if (l < 1) return;
 765
 766         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 767         col = CLAMP(col, 1, l / grid_size + 1);
 768         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 769         if (row < 1) row = 1;
 770
 771         /* limit minimum size of grid so that a tile will always fit regardless of position */
 772         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 773         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 774
 775         row = row * 2 - 1;
 776         col = col * 2 - 1;
 777
 778         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 779
 780         for (j = 0; j < row; j++)
 781             for (i = 0; i < col; i++)
 782                 {
 783                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 784                         {
 785                         PanGrid *pg;
 786
 787                         pg = g_new0(PanGrid, 1);
 788                         pg->x = i * cw / 2;
 789                         pg->y = j * ch / 2;
 790                         pg->w = cw;
 791                         pg->h = ch;
 792
 793                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 794
 795                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 796                         }
 797                 }
 798
 799         work = pw->list;
 800         while (work)
 801                 {
 802                 PanItem *pi;
 803                 GList *grid;
 804
 805                 pi = static_cast<PanItem *>(work->data);
 806                 work = work->next;
 807
 808                 grid = pw->list_grid;
 809                 while (grid)
 810                         {
 811                         PanGrid *pg;
 812                         gint rx;
 813                         gint ry;
 814                         gint rw;
 815                         gint rh;
 816
 817                         pg = static_cast<PanGrid *>(grid->data);
 818                         grid = grid->next;
 819
 820                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 821                                              pg->x, pg->y, pg->w, pg->h,
 822                                              &rx, &ry, &rw, &rh))
 823                                 {
 824                                 pg->list = g_list_prepend(pg->list, pi);
 825                                 }
 826                         }
 827                 }
 828
 829         work = pw->list_grid;
 830         while (work)
 831                 {
 832                 PanGrid *pg;
 833
 834                 pg = static_cast<PanGrid *>(work->data);
 835                 work = work->next;
 836
 837                 pg->list = g_list_reverse(pg->list);
 838                 }
 839
 840         pw->list_static = pw->list;
 841         pw->list = nullptr;
 842 }
 843
 844
 845 /*
 846  *-----------------------------------------------------------------------------
 847  * layout state reset
 848  *-----------------------------------------------------------------------------
 849  */
 850
 851 static void pan_window_items_free(PanWindow *pw)
 852 {
 853         pan_grid_clear(pw);
 854
 855         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 856         pw->list = nullptr;
 857
 858         g_list_free(pw->queue);
 859         pw->queue = nullptr;
 860         pw->queue_pi = nullptr;
 861
 862         image_loader_free(pw->il);
 863         pw->il = nullptr;
 864
 865         thumb_loader_free(pw->tl);
 866         pw->tl = nullptr;
 867
 868         pw->click_pi = nullptr;
 869         pw->search_pi = nullptr;
 870 }
 871
 872
 873 /*
 874  *-----------------------------------------------------------------------------
 875  * layout generation, queries, sizing
 876  *-----------------------------------------------------------------------------
 877  */
 878
 879 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 880                                gint *width, gint *height,
 881                                gint *scroll_x, gint *scroll_y)
 882 {
 883         pan_window_items_free(pw);
 884
 885         switch (pw->size)
 886                 {
 887                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 888                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 889                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 890                         break;
 891                 case PAN_IMAGE_SIZE_THUMB_NONE:
 892                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 893                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 894                         break;
 895                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 896                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 897                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 898                         break;
 899                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 900                 default:
 901                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 902                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 903                         break;
 904                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 905                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 906                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 907                         break;
 908                 case PAN_IMAGE_SIZE_10:
 909                         pw->image_size = 10;
 910                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 911                         break;
 912                 case PAN_IMAGE_SIZE_25:
 913                         pw->image_size = 25;
 914                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 915                         break;
 916                 case PAN_IMAGE_SIZE_33:
 917                         pw->image_size = 33;
 918                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 919                         break;
 920                 case PAN_IMAGE_SIZE_50:
 921                         pw->image_size = 50;
 922                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 923                         break;
 924                 case PAN_IMAGE_SIZE_100:
 925                         pw->image_size = 100;
 926                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 927                         break;
 928                 }
 929
 930         *width = 0;
 931         *height = 0;
 932         *scroll_x = 0;
 933         *scroll_y = 0;
 934
 935         switch (pw->layout)
 936                 {
 937                 case PAN_LAYOUT_GRID:
 938                 default:
 939                         pan_grid_compute(pw, dir_fd, width, height);
 940                         break;
 941                 case PAN_LAYOUT_FOLDERS_LINEAR:
 942                         pan_folder_tree_compute(pw, dir_fd, width, height);
 943                         break;
 944                 case PAN_LAYOUT_FOLDERS_FLOWER:
 945                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 946                         break;
 947                 case PAN_LAYOUT_CALENDAR:
 948                         pan_calendar_compute(pw, dir_fd, width, height);
 949                         break;
 950                 case PAN_LAYOUT_TIMELINE:
 951                         pan_timeline_compute(pw, dir_fd, width, height);
 952                         break;
 953                 }
 954
 955         pan_cache_free(pw);
 956
 957         DEBUG_1("computed %d objects", g_list_length(pw->list));
 958 }
 959
 960 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 961                                      gint x, gint y, gint width, gint height)
 962 {
 963         GList *work;
 964
 965         work = item_list;
 966         while (work)
 967                 {
 968                 PanItem *pi;
 969                 gint rx;
 970                 gint ry;
 971                 gint rw;
 972                 gint rh;
 973
 974                 pi = static_cast<PanItem *>(work->data);
 975                 work = work->next;
 976
 977                 if (util_clip_region(x, y, width, height,
 978                                      pi->x, pi->y, pi->width, pi->height,
 979                                      &rx, &ry, &rw, &rh))
 980                         {
 981                         list = g_list_prepend(list, pi);
 982                         }
 983                 }
 984
 985         return list;
 986 }
 987
 988 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 989 {
 990         GList *list = nullptr;
 991         GList *grid;
 992         PanGrid *pg = nullptr;
 993
 994         grid = pw->list_grid;
 995         while (grid && !pg)
 996                 {
 997                 pg = static_cast<PanGrid *>(grid->data);
 998                 grid = grid->next;
 999
1000                 if (x < pg->x || x + width > pg->x + pg->w ||
1001                     y < pg->y || y + height > pg->y + pg->h)
1002                         {
1003                         pg = nullptr;
1004                         }
1005                 }
1006
1007         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1008
1009         if (pg)
1010                 {
1011                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1012                 }
1013         else
1014                 {
1015                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1016                 }
1017
1018         return list;
1019 }
1020
1021 void pan_layout_resize(PanWindow *pw)
1022 {
1023         gint width = 0;
1024         gint height = 0;
1025         GList *work;
1026         PixbufRenderer *pr;
1027
1028         work = pw->list;
1029         while (work)
1030                 {
1031                 PanItem *pi;
1032
1033                 pi = static_cast<PanItem *>(work->data);
1034                 work = work->next;
1035
1036                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1037                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1038                 }
1039         work = pw->list_static;
1040         while (work)
1041                 {
1042                 PanItem *pi;
1043
1044                 pi = static_cast<PanItem *>(work->data);
1045                 work = work->next;
1046
1047                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1048                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1049                 }
1050
1051         width += PAN_BOX_BORDER * 2;
1052         height += PAN_BOX_BORDER * 2;
1053
1054         pr = PIXBUF_RENDERER(pw->imd->pr);
1055         if (width < pr->window_width) width = pr->window_width;
1056         if (height < pr->window_width) height = pr->window_height;
1057
1058         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1059 }
1060
1061 static gint pan_layout_update_idle_cb(gpointer data)
1062 {
1063         auto pw = static_cast<PanWindow *>(data);
1064         gint width;
1065         gint height;
1066         gint scroll_x;
1067         gint scroll_y;
1068
1069         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1070             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1071                 {
1072                 if (!pw->cache_list && !pw->cache_todo)
1073                         {
1074                         pan_cache_fill(pw, pw->dir_fd);
1075                         if (pw->cache_todo)
1076                                 {
1077                                 pan_window_message(pw, _("Reading image data..."));
1078                                 return G_SOURCE_CONTINUE;
1079                                 }
1080                         }
1081                 if (pw->cache_todo)
1082                         {
1083                         pw->cache_count++;
1084                         pw->cache_tick++;
1085                         if (pw->cache_count == pw->cache_total)
1086                                 {
1087                                 pan_window_message(pw, _("Sorting..."));
1088                                 }
1089                         else if (pw->cache_tick > 9)
1090                                 {
1091                                 gchar *buf;
1092
1093                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1094                                                       pw->cache_count, pw->cache_total);
1095                                 pan_window_message(pw, buf);
1096                                 g_free(buf);
1097
1098                                 pw->cache_tick = 0;
1099                                 }
1100
1101                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1102
1103                         pw->idle_id = 0;
1104                         return G_SOURCE_REMOVE;
1105                         }
1106                 }
1107
1108         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1109
1110         pan_window_zoom_limit(pw);
1111
1112         if (width > 0 && height > 0)
1113                 {
1114                 gdouble align;
1115
1116                 DEBUG_1("Canvas size is %d x %d", width, height);
1117
1118                 pan_grid_build(pw, width, height, 1000);
1119
1120                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1121                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1122                                           pan_window_request_tile_cb,
1123                                           pan_window_dispose_tile_cb, pw, 1.0);
1124
1125                 if (scroll_x == 0 && scroll_y == 0)
1126                         {
1127                         align = 0.0;
1128                         }
1129                 else
1130                         {
1131                         align = 0.5;
1132                         }
1133                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1134                 }
1135
1136         pan_window_message(pw, nullptr);
1137
1138         pw->idle_id = 0;
1139         return G_SOURCE_REMOVE;
1140 }
1141
1142 static void pan_layout_update_idle(PanWindow *pw)
1143 {
1144         if (!pw->idle_id)
1145                 {
1146                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1147                 }
1148 }
1149
1150 void pan_layout_update(PanWindow *pw)
1151 {
1152         pan_window_message(pw, _("Sorting images..."));
1153         pan_layout_update_idle(pw);
1154 }
1155
1156 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1157 {
1158         if (!dir_fd) return;
1159
1160         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1161                 {
1162                 pan_warning_folder(dir_fd->path, pw->window);
1163                 return;
1164                 }
1165
1166         file_data_unref(pw->dir_fd);
1167         pw->dir_fd = file_data_ref(dir_fd);
1168
1169         pan_layout_update(pw);
1170 }
1171
1172
1173 /*
1174  *-----------------------------------------------------------------------------
1175  * keyboard handlers
1176  *-----------------------------------------------------------------------------
1177  */
1178
1179 FileData *pan_menu_click_fd(PanWindow *pw)
1180 {
1181         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1182         return nullptr;
1183 }
1184
1185 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1186 {
1187         auto pw = static_cast<PanWindow *>(data);
1188         PixbufRenderer *pr;
1189         FileData *fd;
1190         gboolean stop_signal = FALSE;
1191         GtkWidget *menu;
1192         GtkWidget *imd_widget;
1193         gint x = 0;
1194         gint y = 0;
1195         gint focused;
1196         gint on_entry;
1197
1198         pr = PIXBUF_RENDERER(pw->imd->pr);
1199         fd = pan_menu_click_fd(pw);
1200
1201         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1202         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1203         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1204                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1205                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1206
1207         if (focused)
1208                 {
1209                 stop_signal = TRUE;
1210                 switch (event->keyval)
1211                         {
1212                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1213                                 x -= 1;
1214                                 break;
1215                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1216                                 x += 1;
1217                                 break;
1218                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1219                                 y -= 1;
1220                                 break;
1221                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1222                                 y += 1;
1223                                 break;
1224                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1225                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1226                                 break;
1227                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1228                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1229                                 break;
1230                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1231                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1232                                 break;
1233                         case GDK_KEY_End: case GDK_KEY_KP_End:
1234                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1235                                 break;
1236                         default:
1237                                 stop_signal = FALSE;
1238                                 break;
1239                         }
1240
1241                 if (x != 0 || y!= 0)
1242                         {
1243                         if (event->state & GDK_SHIFT_MASK)
1244                                 {
1245                                 x *= 3;
1246                                 y *= 3;
1247                                 }
1248                         keyboard_scroll_calc(&x, &y, event);
1249                         pixbuf_renderer_scroll(pr, x, y);
1250                         }
1251                 }
1252
1253         if (stop_signal) return stop_signal;
1254
1255         if (event->state & GDK_CONTROL_MASK)
1256                 {
1257                 stop_signal = TRUE;
1258                 switch (event->keyval)
1259                         {
1260                         case '1':
1261                         case '2':
1262                         case '3':
1263                         case '4':
1264                         case '5':
1265                         case '6':
1266                         case '7':
1267                         case '8':
1268                         case '9':
1269                         case '0':
1270                                 break;
1271                         case 'C': case 'c':
1272                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1273                                 break;
1274                         case 'M': case 'm':
1275                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1276                                 break;
1277                         case 'R': case 'r':
1278                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1279                                 break;
1280                         case 'D': case 'd':
1281                                 if (fd)
1282                                         {
1283                                         options->file_ops.safe_delete_enable = TRUE;
1284                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1285                                         }
1286                                 break;
1287                         case 'F': case 'f':
1288                                 pan_search_toggle_visible(pw, TRUE);
1289                                 break;
1290                         case 'G': case 'g':
1291                                 pan_search_activate(pw);
1292                                 break;
1293                         case 'W': case 'w':
1294                                 pan_window_close(pw);
1295                                 break;
1296                         default:
1297                                 stop_signal = FALSE;
1298                                 break;
1299                         }
1300                 }
1301         else
1302                 {
1303                 stop_signal = TRUE;
1304                 switch (event->keyval)
1305                         {
1306                         case GDK_KEY_Escape:
1307                                 if (pw->fs)
1308                                         {
1309                                         pan_fullscreen_toggle(pw, TRUE);
1310                                         }
1311                                 else
1312                                         {
1313                                         pan_search_toggle_visible(pw, FALSE);
1314                                         }
1315                                 break;
1316                         default:
1317                                 stop_signal = FALSE;
1318                                 break;
1319                         }
1320
1321                 if (stop_signal) return stop_signal;
1322
1323                 // Don't steal characters from entry boxes.
1324                 if (!on_entry)
1325                         {
1326                         stop_signal = TRUE;
1327                         switch (event->keyval)
1328                                 {
1329                                 case '+': case '=': case GDK_KEY_KP_Add:
1330                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1331                                         break;
1332                                 case '-': case GDK_KEY_KP_Subtract:
1333                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1334                                         break;
1335                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1336                                         pixbuf_renderer_zoom_set(pr, 1.0);
1337                                         break;
1338                                 case '2':
1339                                         pixbuf_renderer_zoom_set(pr, 2.0);
1340                                         break;
1341                                 case '3':
1342                                         pixbuf_renderer_zoom_set(pr, 3.0);
1343                                         break;
1344                                 case '4':
1345                                         pixbuf_renderer_zoom_set(pr, 4.0);
1346                                         break;
1347                                 case '7':
1348                                         pixbuf_renderer_zoom_set(pr, -4.0);
1349                                         break;
1350                                 case '8':
1351                                         pixbuf_renderer_zoom_set(pr, -3.0);
1352                                         break;
1353                                 case '9':
1354                                         pixbuf_renderer_zoom_set(pr, -2.0);
1355                                         break;
1356                                 case 'F': case 'f':
1357                                 case 'V': case 'v':
1358                                 case GDK_KEY_F11:
1359                                         pan_fullscreen_toggle(pw, FALSE);
1360                                         break;
1361                                 case 'I': case 'i':
1362                                         break;
1363                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1364                                         break;
1365                                 case GDK_KEY_Menu:
1366                                 case GDK_KEY_F10:
1367                                         menu = pan_popup_menu(pw);
1368                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1369
1370                                         break;
1371                                 case '/':
1372                                         pan_search_toggle_visible(pw, TRUE);
1373                                         break;
1374                                         stop_signal = FALSE;
1375                                         break;
1376                                 }
1377                         }
1378                 }
1379         if (!stop_signal && is_help_key(event))
1380                 {
1381                 help_window_show("GuideOtherWindowsPanView.html");
1382                 stop_signal = TRUE;
1383                 }
1384
1385         return stop_signal;
1386 }
1387
1388 /*
1389  *-----------------------------------------------------------------------------
1390  * info popup
1391  *-----------------------------------------------------------------------------
1392  */
1393
1394 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1395 {
1396         GList *exif_list;
1397         gchar *text;
1398         gchar *title;
1399         gchar *key;
1400
1401         if (!fd) return;
1402
1403         exif_list = bar_pane_exif_list();
1404         while (exif_list)
1405                 {
1406                 title = static_cast<gchar *>(exif_list->data);
1407                 exif_list = exif_list->next;
1408                 key = static_cast<gchar *>(exif_list->data);
1409                 exif_list = exif_list->next;
1410
1411                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1412                 if (text && text[0] != '\0')
1413                         {
1414                         pan_text_alignment_add(ta, title, text);
1415                         }
1416
1417                 g_free(text);
1418                 }
1419
1420         g_list_free_full(exif_list, g_free);
1421 }
1422
1423
1424 void pan_info_update(PanWindow *pw, PanItem *pi)
1425 {
1426         PanTextAlignment *ta;
1427         PanItem *pbox;
1428         PanItem *p;
1429         gchar *buf;
1430         gint x1;
1431         gint y1;
1432         gint x2;
1433         gint y2;
1434         gint x3;
1435         gint y3;
1436         gint x;
1437         gint y;
1438         gint w;
1439         gint h;
1440
1441         if (pw->click_pi == pi) return;
1442         if (pi && !pi->fd) pi = nullptr;
1443
1444         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1445         pw->click_pi = pi;
1446
1447         if (!pi) return;
1448
1449         DEBUG_1("info set to %s", pi->fd->path);
1450
1451         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1452                                 PAN_POPUP_BORDER,
1453                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1454                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1455         pan_item_set_key(pbox, "info");
1456
1457         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1458                 {
1459                 w = gdk_pixbuf_get_width(pi->pixbuf);
1460                 h = gdk_pixbuf_get_height(pi->pixbuf);
1461
1462                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1463                 y1 = pi->y + (pi->height - h) / 2 + 8;
1464                 }
1465         else
1466                 {
1467                 x1 = pi->x + pi->width - 8;
1468                 y1 = pi->y + 8;
1469                 }
1470
1471         x2 = pbox->x + 1;
1472         y2 = pbox->y + 36;
1473         x3 = pbox->x + 1;
1474         y3 = pbox->y + 12;
1475         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1476                            &x, &y, &w, &h);
1477
1478         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1479                              x1, y1, x2, y2, x3, y3,
1480                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1481         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1482         pan_item_set_key(p, "info");
1483         pan_item_added(pw, p);
1484
1485         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1486
1487         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1488         buf = remove_level_from_path(pi->fd->path);
1489         pan_text_alignment_add(ta, _("Location:"), buf);
1490         g_free(buf);
1491         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1492         buf = text_from_size(pi->fd->size);
1493         pan_text_alignment_add(ta, _("Size:"), buf);
1494         g_free(buf);
1495
1496         if (pw->info_includes_exif)
1497                 {
1498                 pan_info_add_exif(ta, pi->fd);
1499                 }
1500
1501         pan_text_alignment_calc(ta, pbox);
1502         pan_text_alignment_free(ta);
1503
1504         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1505         pan_item_added(pw, pbox);
1506
1507         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1508                 {
1509                 gint iw;
1510                 gint ih;
1511                 if (image_load_dimensions(pi->fd, &iw, &ih))
1512                         {
1513                         gint scale = 25;
1514
1515                         switch (pw->info_image_size)
1516                                 {
1517                                 case PAN_IMAGE_SIZE_10:
1518                                         scale = 10;
1519                                         break;
1520                                 case PAN_IMAGE_SIZE_25:
1521                                         scale = 25;
1522                                         break;
1523                                 case PAN_IMAGE_SIZE_33:
1524                                         scale = 33;
1525                                         break;
1526                                 case PAN_IMAGE_SIZE_50:
1527                                         scale = 50;
1528                                         break;
1529                                 case PAN_IMAGE_SIZE_100:
1530                                         scale = 100;
1531                                         break;
1532                                 }
1533
1534                         iw = MAX(1, iw * scale / 100);
1535                         ih = MAX(1, ih * scale / 100);
1536
1537                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1538                                                 PAN_POPUP_BORDER,
1539                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1540                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1541                         pan_item_set_key(pbox, "info");
1542
1543                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1544                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1545                         pan_item_set_key(p, "info");
1546                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1547
1548                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1549                         pan_item_added(pw, pbox);
1550                         }
1551                 }
1552
1553         pan_layout_resize(pw);
1554 }
1555
1556
1557 /*
1558  *-----------------------------------------------------------------------------
1559  * main window
1560  *-----------------------------------------------------------------------------
1561  */
1562
1563 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1564 {
1565         auto pw = static_cast<PanWindow *>(data);
1566         PanItem *pi = nullptr;
1567         GtkWidget *menu;
1568         gint rx;
1569         gint ry;
1570
1571         rx = ry = 0;
1572         if (pr->scale)
1573                 {
1574                 rx = static_cast<gdouble>(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1575                 ry = static_cast<gdouble>(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1576                 }
1577
1578         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1579         if (pi && event->button == MOUSE_BUTTON_LEFT)
1580                 {
1581                 pan_info_update(pw, nullptr);
1582                 return;
1583                 }
1584
1585         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1586                                     rx, ry, nullptr);
1587
1588         switch (event->button)
1589                 {
1590                 case MOUSE_BUTTON_LEFT:
1591                         pan_info_update(pw, pi);
1592
1593                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1594                                 {
1595                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1596                                 pan_calendar_update(pw, pi);
1597                                 }
1598                         break;
1599                 case MOUSE_BUTTON_MIDDLE:
1600                         break;
1601                 case MOUSE_BUTTON_RIGHT:
1602                         pan_info_update(pw, pi);
1603                         menu = pan_popup_menu(pw);
1604                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1605                         break;
1606                 default:
1607                         break;
1608                 }
1609 }
1610
1611 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer)
1612 {
1613         gint w;
1614         gint h;
1615
1616         w = pr->vis_width;
1617         h = pr->vis_height;
1618
1619         if (!(event->state & GDK_SHIFT_MASK))
1620                 {
1621                 w /= 3;
1622                 h /= 3;
1623                 }
1624
1625         if (event->state & GDK_CONTROL_MASK)
1626                 {
1627                 switch (event->direction)
1628                         {
1629                         case GDK_SCROLL_UP:
1630                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1631                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1632                                 break;
1633                         case GDK_SCROLL_DOWN:
1634                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1635                                                                      static_cast<gint>(event->x), static_cast<gint>(event->y));
1636                                 break;
1637                         default:
1638                                 break;
1639                         }
1640                 }
1641         else
1642                 {
1643                 switch (event->direction)
1644                         {
1645                         case GDK_SCROLL_UP:
1646                                 pixbuf_renderer_scroll(pr, 0, -h);
1647                                 break;
1648                         case GDK_SCROLL_DOWN:
1649                                 pixbuf_renderer_scroll(pr, 0, h);
1650                                 break;
1651                         case GDK_SCROLL_LEFT:
1652                                 pixbuf_renderer_scroll(pr, -w, 0);
1653                                 break;
1654                         case GDK_SCROLL_RIGHT:
1655                                 pixbuf_renderer_scroll(pr, w, 0);
1656                                 break;
1657                         default:
1658                                 break;
1659                         }
1660                 }
1661 }
1662
1663 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1664 {
1665         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1666                          G_CALLBACK(button_cb), pw);
1667         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1668                          G_CALLBACK(scroll_cb), pw);
1669 }
1670
1671 static void pan_fullscreen_stop_func(FullScreenData *, gpointer data)
1672 {
1673         auto pw = static_cast<PanWindow *>(data);
1674
1675         pw->fs = nullptr;
1676         pw->imd = pw->imd_normal;
1677 }
1678
1679 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1680 {
1681         if (force_off && !pw->fs) return;
1682
1683         if (pw->fs)
1684                 {
1685                 fullscreen_stop(pw->fs);
1686                 }
1687         else
1688                 {
1689                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1690                 pan_image_set_buttons(pw, pw->fs->imd);
1691                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1692                                  G_CALLBACK(pan_window_key_press_cb), pw);
1693
1694                 pw->imd = pw->fs->imd;
1695                 }
1696 }
1697
1698 static void pan_window_image_zoom_cb(PixbufRenderer *, gdouble, gpointer data)
1699 {
1700         auto pw = static_cast<PanWindow *>(data);
1701         gchar *text;
1702
1703         text = image_zoom_get_as_text(pw->imd);
1704         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1705         g_free(text);
1706 }
1707
1708 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1709 {
1710         auto pw = static_cast<PanWindow *>(data);
1711         GtkAdjustment *adj;
1712         GdkRectangle rect;
1713         gint width;
1714         gint height;
1715
1716         if (pr->scale == 0.0) return;
1717
1718         pixbuf_renderer_get_visible_rect(pr, &rect);
1719         pixbuf_renderer_get_image_size(pr, &width, &height);
1720
1721         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1722         gtk_adjustment_set_page_size(adj, rect.width);
1723         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1724         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1725         gtk_adjustment_set_lower(adj, 0.0);
1726         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1727         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.x));
1728
1729         pref_signal_block_data(pw->scrollbar_h, pw);
1730         pref_signal_unblock_data(pw->scrollbar_h, pw);
1731
1732         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1733         gtk_adjustment_set_page_size(adj, rect.height);
1734         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1735         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1736         gtk_adjustment_set_lower(adj, 0.0);
1737         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1738         gtk_adjustment_set_value(adj, static_cast<gdouble>(rect.y));
1739
1740         pref_signal_block_data(pw->scrollbar_v, pw);
1741         pref_signal_unblock_data(pw->scrollbar_v, pw);
1742 }
1743
1744 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1745 {
1746         auto pw = static_cast<PanWindow *>(data);
1747         PixbufRenderer *pr;
1748         gint x;
1749
1750         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1751
1752         if (!pr->scale) return;
1753
1754         x = static_cast<gint>(gtk_range_get_value(range));
1755
1756         pixbuf_renderer_scroll_to_point(pr, x, static_cast<gint>(static_cast<gdouble>(pr->y_scroll) / pr->scale), 0.0, 0.0);
1757 }
1758
1759 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1760 {
1761         auto pw = static_cast<PanWindow *>(data);
1762         PixbufRenderer *pr;
1763         gint y;
1764
1765         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1766
1767         if (!pr->scale) return;
1768
1769         y = static_cast<gint>(gtk_range_get_value(range));
1770
1771         pixbuf_renderer_scroll_to_point(pr, static_cast<gint>(static_cast<gdouble>(pr->x_scroll) / pr->scale), y, 0.0, 0.0);
1772 }
1773
1774 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1775 {
1776         auto pw = static_cast<PanWindow *>(data);
1777
1778         pw->layout = static_cast<PanLayoutType>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1779         pan_layout_update(pw);
1780 }
1781
1782 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1783 {
1784         auto pw = static_cast<PanWindow *>(data);
1785
1786         pw->size = static_cast<PanImageSize>(gtk_combo_box_get_active(GTK_COMBO_BOX(combo)));
1787         pan_layout_update(pw);
1788 }
1789
1790 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1791 {
1792         auto pw = static_cast<PanWindow *>(data);
1793         gchar *path;
1794
1795         path = remove_trailing_slash(new_text);
1796         parse_out_relatives(path);
1797
1798         if (!isdir(path))
1799                 {
1800                 warning_dialog(_("Folder not found"),
1801                                _("The entered path is not a folder"),
1802                                GQ_ICON_DIALOG_WARNING, pw->path_entry);
1803                 }
1804         else
1805                 {
1806                 FileData *dir_fd = file_data_new_dir(path);
1807                 tab_completion_append_to_history(pw->path_entry, path);
1808
1809                 pan_layout_set_fd(pw, dir_fd);
1810                 file_data_unref(dir_fd);
1811                 }
1812
1813         g_free(path);
1814 }
1815
1816 static void pan_window_close(PanWindow *pw)
1817 {
1818         pan_window_list = g_list_remove(pan_window_list, pw);
1819
1820         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1821         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1822         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1823
1824         if (pw->idle_id)
1825                 {
1826                 g_source_remove(pw->idle_id);
1827                 }
1828
1829         pan_fullscreen_toggle(pw, TRUE);
1830         pan_search_ui_destroy(&pw->search_ui);
1831         pan_filter_ui_destroy(&pw->filter_ui);
1832         gq_gtk_widget_destroy(pw->window);
1833
1834         pan_window_items_free(pw);
1835         pan_cache_free(pw);
1836
1837         file_data_unref(pw->dir_fd);
1838
1839         g_free(pw);
1840 }
1841
1842 static gboolean pan_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
1843 {
1844         auto pw = static_cast<PanWindow *>(data);
1845
1846         pan_window_close(pw);
1847         return TRUE;
1848 }
1849
1850 static void pan_window_new_real(FileData *dir_fd)
1851 {
1852         PanWindow *pw;
1853         GdkGeometry geometry;
1854         GtkWidget *box;
1855         GtkWidget *combo;
1856         GtkWidget *frame;
1857         GtkWidget *hbox;
1858         GtkWidget *hbox_imd_widget;
1859         GtkWidget *vbox;
1860         GtkWidget *vbox_imd_widget;
1861
1862         pw = g_new0(PanWindow, 1);
1863
1864         pw->dir_fd = file_data_ref(dir_fd);
1865         pw->layout = PAN_LAYOUT_TIMELINE;
1866         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1867         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1868         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1869
1870         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1871                 {
1872                 pw->exif_date_enable = FALSE;
1873                 }
1874         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1875                 {
1876                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1877                 }
1878         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1879                 {
1880                 pw->info_includes_exif = TRUE;
1881                 }
1882
1883         pw->ignore_symlinks = TRUE;
1884
1885         pw->idle_id = 0;
1886
1887         pw->window = window_new("panview", nullptr, nullptr, _("Pan View"));
1888         DEBUG_NAME(pw->window);
1889
1890         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1891         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1892         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
1893
1894         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1895         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1896
1897         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1898         DEBUG_NAME(vbox);
1899         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1900         gtk_widget_show(vbox);
1901
1902         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1903
1904         pref_spacer(box, 0);
1905         pref_label_new(box, _("Location:"));
1906         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1, pan_window_entry_activate_cb, pw);
1907         gq_gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1908         gtk_widget_show(combo);
1909
1910         combo = gtk_combo_box_text_new();
1911         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1912         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1913         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1914         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1915         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1916
1917         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1918         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_change_cb), pw);
1919         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1920         gtk_widget_show(combo);
1921
1922         combo = gtk_combo_box_text_new();
1923         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1924         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1925         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1926         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1927         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1928         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1929         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1930         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1931         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1932         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1933
1934         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1935         g_signal_connect(G_OBJECT(combo), "changed", G_CALLBACK(pan_window_layout_size_cb), pw);
1936         gq_gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1937         gtk_widget_show(combo);
1938
1939         pw->imd = image_new(TRUE);
1940         pw->imd_normal = pw->imd;
1941
1942         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom", G_CALLBACK(pan_window_image_zoom_cb), pw);
1943         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify", G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1944
1945         vbox_imd_widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1946         hbox_imd_widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
1947
1948         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->imd->widget, true, true, 0);
1949
1950         pw->scrollbar_h = gtk_scrollbar_new(GTK_ORIENTATION_HORIZONTAL, nullptr);
1951         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",  G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1952         gtk_box_pack_start(GTK_BOX(vbox_imd_widget), pw->scrollbar_h, false, false, 0);
1953
1954         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), vbox_imd_widget, true, true, 0);
1955
1956         pw->scrollbar_v = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL, nullptr);
1957         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed", G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1958         gtk_box_pack_start(GTK_BOX(hbox_imd_widget), pw->scrollbar_v, false, false, 0);
1959
1960         gtk_box_pack_start(GTK_BOX(vbox), hbox_imd_widget, true, true, 0);
1961
1962         gtk_widget_show(GTK_WIDGET(hbox_imd_widget));
1963         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1964         gtk_widget_show(GTK_WIDGET(vbox));
1965         gtk_widget_show(GTK_WIDGET(vbox_imd_widget));
1966         gtk_widget_show(pw->scrollbar_h);
1967         gtk_widget_show(pw->scrollbar_v);
1968
1969         pan_window_dnd_init(pw);
1970
1971         pan_image_set_buttons(pw, pw->imd);
1972
1973         /* find bar */
1974
1975         pw->search_ui = pan_search_ui_new(pw);
1976         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1977
1978         /* filter bar */
1979         pw->filter_ui = pan_filter_ui_new(pw);
1980         gq_gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1981
1982         /* status bar */
1983
1984         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1985
1986         frame = gtk_frame_new(nullptr);
1987         DEBUG_NAME(frame);
1988         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1989         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1990         gq_gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1991         gtk_widget_show(frame);
1992
1993         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1994         gtk_container_add(GTK_CONTAINER(frame), hbox);
1995         gtk_widget_show(hbox);
1996
1997         pref_spacer(hbox, 0);
1998         pw->label_message = pref_label_new(hbox, "");
1999
2000         frame = gtk_frame_new(nullptr);
2001         DEBUG_NAME(frame);
2002         gq_gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2003         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2004         gq_gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2005         gtk_widget_show(frame);
2006
2007         pw->label_zoom = gtk_label_new("");
2008         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2009         gtk_widget_show(pw->label_zoom);
2010
2011         // Add the "Find" button to the status bar area.
2012         gq_gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2013         gtk_widget_show(pw->search_ui->search_button);
2014
2015         // Add the "Filter" button to the status bar area.
2016         gq_gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2017         gtk_widget_show(pw->filter_ui->filter_button);
2018
2019         g_signal_connect(G_OBJECT(pw->window), "delete_event", G_CALLBACK(pan_window_delete_cb), pw);
2020         g_signal_connect(G_OBJECT(pw->window), "key_press_event", G_CALLBACK(pan_window_key_press_cb), pw);
2021
2022         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2023
2024         pan_layout_update(pw);
2025
2026         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2027         gtk_widget_show(pw->window);
2028
2029         pan_window_list = g_list_append(pan_window_list, pw);
2030 }
2031
2032 /*
2033  *-----------------------------------------------------------------------------
2034  * performance warnings
2035  *-----------------------------------------------------------------------------
2036  */
2037
2038 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2039 {
2040         auto dir_fd = static_cast<FileData *>(data);
2041
2042         generic_dialog_close(gd);
2043
2044         pan_window_new_real(dir_fd);
2045         file_data_unref(dir_fd);
2046 }
2047
2048 static void pan_warning_hide_cb(GtkWidget *button, gpointer)
2049 {
2050         gboolean hide_dlg;
2051
2052         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2053         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2054 }
2055
2056 static gboolean pan_warning(FileData *dir_fd)
2057 {
2058         GenericDialog *gd;
2059         GtkWidget *box;
2060         GtkWidget *group;
2061         GtkWidget *checkbox;
2062         GtkWidget *ct_button;
2063         gboolean hide_dlg;
2064
2065         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2066                 {
2067                 pan_warning_folder(dir_fd->path, nullptr);
2068                 return TRUE;
2069                 }
2070
2071         if (options->thumbnails.enable_caching &&
2072             options->thumbnails.spec_standard) return FALSE;
2073
2074         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2075         if (hide_dlg) return FALSE;
2076
2077         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", nullptr, FALSE,
2078                                 nullptr, nullptr);
2079         gd->data = file_data_ref(dir_fd);
2080         generic_dialog_add_button(gd, GQ_ICON_OK, "OK",
2081                                   pan_warning_ok_cb, TRUE);
2082
2083         box = generic_dialog_add_message(gd, GQ_ICON_DIALOG_INFO,
2084                                          _("Pan view performance may be poor."),
2085                                          _("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);
2086
2087         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2088         pref_spacer(group, PREF_PAD_INDENT);
2089         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2090
2091         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2092                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2093         checkbox = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2094                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2095         pref_checkbox_link_sensitivity(ct_button, checkbox);
2096
2097         pref_line(box, 0);
2098
2099         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2100                           G_CALLBACK(pan_warning_hide_cb), nullptr);
2101
2102         gtk_widget_show(gd->dialog);
2103
2104         return TRUE;
2105 }
2106
2107
2108 /*
2109  *-----------------------------------------------------------------------------
2110  * entry point
2111  *-----------------------------------------------------------------------------
2112  */
2113
2114 void pan_window_new(FileData *dir_fd)
2115 {
2116         if (pan_warning(dir_fd)) return;
2117
2118         pan_window_new_real(dir_fd);
2119 }
2120
2121
2122 /*
2123  *-----------------------------------------------------------------------------
2124  * menus
2125  *-----------------------------------------------------------------------------
2126  */
2127
2128 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2129
2130
2131 static void pan_new_window_cb(GtkWidget *, gpointer data)
2132 {
2133         auto pw = static_cast<PanWindow *>(data);
2134         FileData *fd;
2135
2136         fd = pan_menu_click_fd(pw);
2137         if (fd)
2138                 {
2139                 pan_fullscreen_toggle(pw, TRUE);
2140                 view_window_new(fd);
2141                 }
2142 }
2143
2144 static void pan_go_to_original_cb(GtkWidget *, gpointer data)
2145 {
2146         LayoutWindow *lw = nullptr;
2147         auto pw = static_cast<PanWindow *>(data);
2148         FileData *fd;
2149
2150         if (!layout_valid(&lw)) return;
2151
2152         fd = pan_menu_click_fd(pw);
2153         if (fd)
2154                 {
2155                 layout_set_fd(lw, fd);
2156                 }
2157 }
2158
2159 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2160 {
2161         PanWindow *pw;
2162         FileData *fd;
2163         auto key = static_cast<const gchar *>(data);
2164
2165         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2166         if (!pw) return;
2167
2168         fd = pan_menu_click_fd(pw);
2169         if (fd)
2170                 {
2171                 if (!editor_window_flag_set(key))
2172                         {
2173                         pan_fullscreen_toggle(pw, TRUE);
2174                         }
2175                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2176                 }
2177 }
2178
2179 static void pan_zoom_in_cb(GtkWidget *, gpointer data)
2180 {
2181         auto pw = static_cast<PanWindow *>(data);
2182
2183         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2184 }
2185
2186 static void pan_zoom_out_cb(GtkWidget *, gpointer data)
2187 {
2188         auto pw = static_cast<PanWindow *>(data);
2189
2190         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2191 }
2192
2193 static void pan_zoom_1_1_cb(GtkWidget *, gpointer data)
2194 {
2195         auto pw = static_cast<PanWindow *>(data);
2196
2197         image_zoom_set(pw->imd, 1.0);
2198 }
2199
2200 static void pan_copy_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_copy(fd, nullptr, nullptr, pw->imd->widget);
2207 }
2208
2209 static void pan_move_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) file_util_move(fd, nullptr, nullptr, pw->imd->widget);
2216 }
2217
2218 static void pan_rename_cb(GtkWidget *, gpointer data)
2219 {
2220         auto pw = static_cast<PanWindow *>(data);
2221         FileData *fd;
2222
2223         fd = pan_menu_click_fd(pw);
2224         if (fd) file_util_rename(fd, nullptr, pw->imd->widget);
2225 }
2226
2227 static void pan_delete_cb(GtkWidget *, gpointer data)
2228 {
2229         auto pw = static_cast<PanWindow *>(data);
2230         FileData *fd;
2231
2232         fd = pan_menu_click_fd(pw);
2233         if (fd)
2234                 {
2235                 options->file_ops.safe_delete_enable = FALSE;
2236                 file_util_delete(fd, nullptr, pw->imd->widget);
2237                 }
2238 }
2239
2240 static void pan_move_to_trash_cb(GtkWidget *, gpointer data)
2241 {
2242         auto pw = static_cast<PanWindow *>(data);
2243         FileData *fd;
2244
2245         fd = pan_menu_click_fd(pw);
2246         if (fd)
2247                 {
2248                 options->file_ops.safe_delete_enable = TRUE;
2249                 file_util_delete(fd, nullptr, pw->imd->widget);
2250                 }
2251 }
2252
2253 static void pan_copy_path_cb(GtkWidget *, gpointer data)
2254 {
2255         auto pw = static_cast<PanWindow *>(data);
2256         FileData *fd;
2257
2258         fd = pan_menu_click_fd(pw);
2259         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2260 }
2261
2262 static void pan_copy_path_unquoted_cb(GtkWidget *, gpointer data)
2263 {
2264         auto pw = static_cast<PanWindow *>(data);
2265         FileData *fd;
2266
2267         fd = pan_menu_click_fd(pw);
2268         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2269 }
2270
2271 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2272 {
2273         auto pw = static_cast<PanWindow *>(data);
2274
2275         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2276         pan_layout_update(pw);
2277 }
2278
2279 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2280 {
2281         auto pw = static_cast<PanWindow *>(data);
2282
2283         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2284         /** @FIXME sync info now */
2285 }
2286
2287 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2288 {
2289         auto pw = static_cast<PanWindow *>(data);
2290
2291         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2292         /** @FIXME sync info now */
2293 }
2294
2295 static void pan_fullscreen_cb(GtkWidget *, gpointer data)
2296 {
2297         auto pw = static_cast<PanWindow *>(data);
2298
2299         pan_fullscreen_toggle(pw, FALSE);
2300 }
2301
2302 static void pan_close_cb(GtkWidget *, gpointer data)
2303 {
2304         auto pw = static_cast<PanWindow *>(data);
2305
2306         pan_window_close(pw);
2307 }
2308
2309 static void pan_popup_menu_destroy_cb(GtkWidget *, gpointer data)
2310 {
2311         auto editmenu_fd_list = static_cast<GList *>(data);
2312
2313         filelist_free(editmenu_fd_list);
2314 }
2315
2316 static void pan_play_cb(GtkWidget *, gpointer data)
2317 {
2318         auto pw = static_cast<PanWindow *>(data);
2319
2320         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2321 }
2322
2323 static GList *pan_view_get_fd_list(PanWindow *pw)
2324 {
2325         GList *list = nullptr;
2326         FileData *fd = pan_menu_click_fd(pw);
2327
2328         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2329
2330         return list;
2331 }
2332
2333 /**
2334  * @brief Add file selection list to a collection
2335  * @param[in] widget
2336  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2337  *
2338  *
2339  */
2340 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2341 {
2342         PanWindow *pw;
2343         GList *selection_list = nullptr;
2344
2345         pw = static_cast<PanWindow *>(submenu_item_get_data(widget));
2346         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2347         pop_menu_collections(selection_list, data);
2348
2349         filelist_free(selection_list);
2350 }
2351
2352 static GtkWidget *pan_popup_menu(PanWindow *pw)
2353 {
2354         GtkWidget *menu;
2355         GtkWidget *submenu;
2356         GtkWidget *item;
2357         gboolean active;
2358         gboolean video;
2359         GList *editmenu_fd_list;
2360         GtkAccelGroup *accel_group;
2361
2362         active = (pw->click_pi != nullptr);
2363         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2364
2365         menu = popup_menu_short_lived();
2366         accel_group = gtk_accel_group_new();
2367         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2368
2369         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2370         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2371
2372         menu_item_add_icon_sensitive(menu, _("_Play"), GQ_ICON_PLAY, video,
2373                             G_CALLBACK(pan_play_cb), pw);
2374         menu_item_add_divider(menu);
2375
2376         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN,
2377                             G_CALLBACK(pan_zoom_in_cb), pw);
2378         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT,
2379                             G_CALLBACK(pan_zoom_out_cb), pw);
2380         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100,
2381                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2382         menu_item_add_divider(menu);
2383
2384         editmenu_fd_list = pan_view_get_fd_list(pw);
2385         g_signal_connect(G_OBJECT(menu), "destroy",
2386                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2387
2388         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2389         gtk_widget_set_sensitive(item, active);
2390
2391         menu_item_add_icon_sensitive(menu, _("View in _new window"), GQ_ICON_NEW, active,
2392                                       G_CALLBACK(pan_new_window_cb), pw);
2393         menu_item_add_icon(menu, _("Go to original"), GQ_ICON_FIND,
2394                         G_CALLBACK(pan_go_to_original_cb), pw);
2395
2396         menu_item_add_divider(menu);
2397         menu_item_add_icon_sensitive(menu, _("_Copy..."), GQ_ICON_COPY, active,
2398                                       G_CALLBACK(pan_copy_cb), pw);
2399         menu_item_add_sensitive(menu, _("_Move..."), active,
2400                                 G_CALLBACK(pan_move_cb), pw);
2401         menu_item_add_sensitive(menu, _("_Rename..."), active,
2402                                 G_CALLBACK(pan_rename_cb), pw);
2403         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2404                                 G_CALLBACK(pan_copy_path_cb), pw);
2405         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2406                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2407
2408         menu_item_add_divider(menu);
2409         menu_item_add_icon_sensitive(menu,
2410                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2411                                         _("Move to Trash"), GQ_ICON_DELETE, active,
2412                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2413         menu_item_add_icon_sensitive(menu,
2414                                 options->file_ops.confirm_delete ? _("_Delete...") :
2415                                         _("_Delete"), GQ_ICON_DELETE_SHRED, active,
2416                                                 G_CALLBACK(pan_delete_cb), pw);
2417
2418         menu_item_add_divider(menu);
2419
2420         submenu = submenu_add_collections(menu, &item,
2421                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2422         gtk_widget_set_sensitive(item, TRUE);
2423         menu_item_add_divider(menu);
2424
2425
2426         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2427                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2428         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2429
2430         menu_item_add_divider(menu);
2431
2432         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2433                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2434         item = menu_item_add(menu, _("Show im_age"), nullptr, nullptr);
2435         submenu = gtk_menu_new();
2436         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2437
2438         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2439                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2440         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2441
2442         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2443                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2444         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2445
2446         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2447                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2448         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2449
2450         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2451                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2452         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2453
2454         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2455                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2456         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2457
2458         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2459                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2460         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2461
2462
2463
2464         menu_item_add_divider(menu);
2465
2466         if (pw->fs)
2467                 {
2468                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2469                 }
2470         else
2471                 {
2472                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(pan_fullscreen_cb), pw);
2473                 }
2474
2475         menu_item_add_divider(menu);
2476         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(pan_close_cb), pw);
2477
2478         return menu;
2479 }
2480
2481
2482 /*
2483  *-----------------------------------------------------------------------------
2484  * drag and drop
2485  *-----------------------------------------------------------------------------
2486  */
2487
2488 static void pan_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
2489                                     gint, gint,
2490                                     GtkSelectionData *selection_data, guint info,
2491                                     guint, gpointer data)
2492 {
2493         auto pw = static_cast<PanWindow *>(data);
2494
2495         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2496
2497         if (info == TARGET_URI_LIST)
2498                 {
2499                 GList *list;
2500
2501                 list = uri_filelist_from_gtk_selection_data(selection_data);
2502                 if (list && isdir((static_cast<FileData *>(list->data))->path))
2503                         {
2504                         auto fd = static_cast<FileData *>(list->data);
2505
2506                         pan_layout_set_fd(pw, fd);
2507                         }
2508
2509                 filelist_free(list);
2510                 }
2511 }
2512
2513 static void pan_window_set_dnd_data(GtkWidget *, GdkDragContext *,
2514                                     GtkSelectionData *selection_data, guint,
2515                                     guint, gpointer data)
2516 {
2517         auto pw = static_cast<PanWindow *>(data);
2518         FileData *fd;
2519
2520         fd = pan_menu_click_fd(pw);
2521         if (fd)
2522                 {
2523                 GList *list;
2524
2525                 list = g_list_append(nullptr, fd);
2526                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2527                 g_list_free(list);
2528                 }
2529         else
2530                 {
2531                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2532                                        8, nullptr, 0);
2533                 }
2534 }
2535
2536 static void pan_window_dnd_init(PanWindow *pw)
2537 {
2538         GtkWidget *widget;
2539
2540         widget = pw->imd->pr;
2541
2542         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2543                             dnd_file_drag_types, dnd_file_drag_types_count,
2544                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2545         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2546                          G_CALLBACK(pan_window_set_dnd_data), pw);
2547
2548         gtk_drag_dest_set(widget,
2549                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
2550                           dnd_file_drop_types, dnd_file_drop_types_count,
2551                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
2552         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2553                          G_CALLBACK(pan_window_get_dnd_data), pw);
2554 }
2555
2556 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */