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 "menu.h"
  50 #include "metadata.h"
  51 #include "options.h"
  52 #include "pan-calendar.h"
  53 #include "pan-folder.h"
  54 #include "pan-grid.h"
  55 #include "pan-item.h"
  56 #include "pan-timeline.h"
  57 #include "pan-types.h"
  58 #include "pan-util.h"
  59 #include "pan-view-filter.h"
  60 #include "pan-view-search.h"
  61 #include "pixbuf-renderer.h"
  62 #include "pixbuf-util.h"
  63 #include "thumb.h"
  64 #include "ui-fileops.h"
  65 #include "ui-menu.h"
  66 #include "ui-misc.h"
  67 #include "ui-tabcomp.h"
  68 #include "ui-utildlg.h"
  69 #include "uri-utils.h"
  70 #include "utilops.h"
  71 #include "window.h"
  72
  73 namespace
  74 {
  75
  76 constexpr gint PAN_WINDOW_DEFAULT_WIDTH = 720;
  77 constexpr gint PAN_WINDOW_DEFAULT_HEIGHT = 500;
  78
  79 constexpr gint PAN_TILE_SIZE = 512;
  80
  81 constexpr gdouble ZOOM_INCREMENT = 1.0;
  82 constexpr gint ZOOM_LABEL_WIDTH = 64;
  83
  84 constexpr gint PAN_GRID_SIZE = 60;
  85 constexpr gint PAN_GRID_ALPHA = 20;
  86 #define PAN_GRID_COLOR 0, 0, 0, PAN_GRID_ALPHA
  87
  88 #define PAN_BACKGROUND_COLOR 150, 150, 150, 255
  89
  90 /* popup info box */
  91 constexpr gint PAN_POPUP_BORDER = 1;
  92 constexpr guint8 PAN_POPUP_ALPHA = 255;
  93 constexpr PanColor PAN_POPUP_COLOR{255, 255, 225, PAN_POPUP_ALPHA};
  94 constexpr PanColor PAN_POPUP_BORDER_COLOR{0, 0, 0, PAN_POPUP_ALPHA};
  95
  96 } // namespace
  97
  98 #define PAN_PREF_GROUP          "pan_view_options"
  99 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
 100 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
 101 #define PAN_PREF_INFO_IMAGE     "info_image_size"
 102 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
 103
 104
 105 static GList *pan_window_list = nullptr;
 106
 107
 108 static void pan_layout_update_idle(PanWindow *pw);
 109
 110 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
 111
 112 static void pan_window_close(PanWindow *pw);
 113
 114 static GtkWidget *pan_popup_menu(PanWindow *pw);
 115
 116 static void pan_window_dnd_init(PanWindow *pw);
 117
 118 /**
 119  * This array must be kept in sync with the contents of:\n
 120  * @link pan_window_key_press_cb @endlink \n
 121  * @link pan_popup_menu @endlink
 122  *
 123  * See also @link hard_coded_window_keys @endlink
 124  **/
 125 hard_coded_window_keys pan_view_window_keys[] = {
 126         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 127         {GDK_CONTROL_MASK, 'M', N_("Move")},
 128         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 129         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 130         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 131         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 132         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 133         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 134         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Hide Find search bar")},
 135         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 136         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 137         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 138         {static_cast<GdkModifierType>(0), GDK_KEY_Z, N_("Zoom 1:1")},
 139         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 140         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 141         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 142         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 143         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 144         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 145         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 146         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 147         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 148         {static_cast<GdkModifierType>(0), 'V', N_("Full screen")},
 149         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Full screen")},
 150         {static_cast<GdkModifierType>(0), '/', N_("Display Find search bar")},
 151         {static_cast<GdkModifierType>(0), GDK_KEY_Left, N_("Scroll left")},
 152         {static_cast<GdkModifierType>(0), GDK_KEY_Right, N_("Scroll right")},
 153         {static_cast<GdkModifierType>(0), GDK_KEY_Up, N_("Scroll up")},
 154         {static_cast<GdkModifierType>(0), GDK_KEY_Down, N_("Scroll down")},
 155         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 156         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 157         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 158         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 159         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 160         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 161         {static_cast<GdkModifierType>(0), GDK_KEY_Home, N_("Scroll display half screen left")},
 162         {static_cast<GdkModifierType>(0), GDK_KEY_End, N_("Scroll display half screen right")},
 163         {static_cast<GdkModifierType>(0), 0, nullptr}
 164 };
 165
 166 /*
 167  *-----------------------------------------------------------------------------
 168  * the image/thumb loader queue
 169  *-----------------------------------------------------------------------------
 170  */
 171
 172 static gboolean pan_queue_step(PanWindow *pw);
 173
 174
 175 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 176 {
 177         auto pw = static_cast<PanWindow *>(data);
 178
 179         if (pw->queue_pi)
 180                 {
 181                 PanItem *pi;
 182                 gint rc;
 183
 184                 pi = pw->queue_pi;
 185                 pw->queue_pi = nullptr;
 186
 187                 pi->queued = FALSE;
 188
 189                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 190                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 191
 192                 rc = pi->refcount;
 193                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 194                 pi->refcount = rc;
 195                 }
 196
 197         thumb_loader_free(pw->tl);
 198         pw->tl = nullptr;
 199
 200         while (pan_queue_step(pw));
 201 }
 202
 203 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 204 {
 205         auto pw = static_cast<PanWindow *>(data);
 206         GdkPixbuf *rotated = nullptr;
 207
 208         if (pw->queue_pi)
 209                 {
 210                 PanItem *pi;
 211                 gint rc;
 212
 213                 pi = pw->queue_pi;
 214                 pw->queue_pi = nullptr;
 215
 216                 pi->queued = FALSE;
 217
 218                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 219                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 220
 221                 if (pi->pixbuf && options->image.exif_rotate_enable)
 222                         {
 223                         if (!il->fd->exif_orientation)
 224                                 {
 225                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 226                                         {
 227                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 228                                         }
 229                                 else
 230                                         {
 231                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 232                                         }
 233                                 }
 234
 235                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 236                                 {
 237                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 238                                 pi->pixbuf = rotated;
 239                                 }
 240                         }
 241
 242                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 243
 244                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 245                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 246                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 247                         {
 248                         GdkPixbuf *tmp;
 249
 250                         tmp = pi->pixbuf;
 251                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 252                                                              static_cast<GdkInterpType>(options->image.zoom_quality));
 253                         g_object_unref(tmp);
 254                         }
 255
 256                 rc = pi->refcount;
 257                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 258                 pi->refcount = rc;
 259                 }
 260
 261         image_loader_free(pw->il);
 262         pw->il = nullptr;
 263
 264         while (pan_queue_step(pw));
 265 }
 266
 267 static gboolean pan_queue_step(PanWindow *pw)
 268 {
 269         PanItem *pi;
 270
 271         if (!pw->queue) return FALSE;
 272
 273         pi = static_cast<PanItem *>(pw->queue->data);
 274         pw->queue = g_list_remove(pw->queue, pi);
 275         pw->queue_pi = pi;
 276
 277         if (!pw->queue_pi->fd)
 278                 {
 279                 pw->queue_pi->queued = FALSE;
 280                 pw->queue_pi = nullptr;
 281                 return TRUE;
 282                 }
 283
 284         image_loader_free(pw->il);
 285         pw->il = nullptr;
 286         thumb_loader_free(pw->tl);
 287         pw->tl = nullptr;
 288
 289         if (pi->type == PAN_ITEM_IMAGE)
 290                 {
 291                 pw->il = image_loader_new(pi->fd);
 292
 293                 if (pw->size != PAN_IMAGE_SIZE_100)
 294                         {
 295                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 296                         }
 297
 298                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 299                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 300
 301                 if (image_loader_start(pw->il)) return FALSE;
 302
 303                 image_loader_free(pw->il);
 304                 pw->il = nullptr;
 305                 }
 306         else if (pi->type == PAN_ITEM_THUMB)
 307                 {
 308                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 309
 310                 if (!pw->tl->standard_loader)
 311                         {
 312                         /* The classic loader will recreate a thumbnail any time we
 313                          * request a different size than what exists. This view will
 314                          * almost never use the user configured sizes so disable cache.
 315                          */
 316                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 317                         }
 318
 319                 thumb_loader_set_callbacks(pw->tl,
 320                                            pan_queue_thumb_done_cb,
 321                                            pan_queue_thumb_done_cb,
 322                                            nullptr, pw);
 323
 324                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 325
 326                 thumb_loader_free(pw->tl);
 327                 pw->tl = nullptr;
 328                 }
 329
 330         pw->queue_pi->queued = FALSE;
 331         pw->queue_pi = nullptr;
 332         return TRUE;
 333 }
 334
 335 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 336 {
 337         if (!pi || pi->queued || pi->pixbuf) return;
 338         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 339             (!pi->key || strcmp(pi->key, "info") != 0) )
 340                 {
 341                 return;
 342                 }
 343
 344         pi->queued = TRUE;
 345         pw->queue = g_list_prepend(pw->queue, pi);
 346
 347         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 348 }
 349
 350
 351 /*
 352  *-----------------------------------------------------------------------------
 353  * tile request/dispose handlers
 354  *-----------------------------------------------------------------------------
 355  */
 356
 357 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 358                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 359 {
 360         auto pw = static_cast<PanWindow *>(data);
 361         GList *list;
 362         GList *work;
 363         gint i;
 364
 365         pixbuf_set_rect_fill(pixbuf,
 366                              0, 0, width, height,
 367                              PAN_BACKGROUND_COLOR);
 368
 369         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 370                 {
 371                 gint rx;
 372                 gint ry;
 373                 gint rw;
 374                 gint rh;
 375
 376                 if (util_clip_region(x, y, width, height,
 377                                      i, y, 1, height,
 378                                      &rx, &ry, &rw, &rh))
 379                         {
 380                         pixbuf_draw_rect_fill(pixbuf,
 381                                               rx - x, ry - y, rw, rh,
 382                                               PAN_GRID_COLOR);
 383                         }
 384                 }
 385         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 386                 {
 387                 gint rx;
 388                 gint ry;
 389                 gint rw;
 390                 gint rh;
 391
 392                 if (util_clip_region(x, y, width, height,
 393                                      x, i, width, 1,
 394                                      &rx, &ry, &rw, &rh))
 395                         {
 396                         pixbuf_draw_rect_fill(pixbuf,
 397                                               rx - x, ry - y, rw, rh,
 398                                               PAN_GRID_COLOR);
 399                         }
 400                 }
 401
 402         list = pan_layout_intersect(pw, x, y, width, height);
 403         work = list;
 404         while (work)
 405                 {
 406                 PanItem *pi;
 407                 gboolean queue = FALSE;
 408
 409                 pi = static_cast<PanItem *>(work->data);
 410                 work = work->next;
 411
 412                 pi->refcount++;
 413
 414                 switch (pi->type)
 415                         {
 416                         case PAN_ITEM_BOX:
 417                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 418                                 break;
 419                         case PAN_ITEM_TRIANGLE:
 420                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 421                                 break;
 422                         case PAN_ITEM_TEXT:
 423                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 424                                 break;
 425                         case PAN_ITEM_THUMB:
 426                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 427                                 break;
 428                         case PAN_ITEM_IMAGE:
 429                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 430                                 break;
 431                         case PAN_ITEM_NONE:
 432                         default:
 433                                 break;
 434                         }
 435
 436                 if (queue) pan_queue_add(pw, pi);
 437                 }
 438
 439         g_list_free(list);
 440
 441         return TRUE;
 442 }
 443
 444 static void pan_window_dispose_tile_cb(PixbufRenderer *, gint x, gint y,
 445                                        gint width, gint height, GdkPixbuf *, gpointer data)
 446 {
 447         auto pw = static_cast<PanWindow *>(data);
 448         GList *list;
 449         GList *work;
 450
 451         list = pan_layout_intersect(pw, x, y, width, height);
 452         work = list;
 453         while (work)
 454                 {
 455                 PanItem *pi;
 456
 457                 pi = static_cast<PanItem *>(work->data);
 458                 work = work->next;
 459
 460                 if (pi->refcount > 0)
 461                         {
 462                         pi->refcount--;
 463
 464                         if (pi->refcount == 0)
 465                                 {
 466                                 if (pi->queued)
 467                                         {
 468                                         pw->queue = g_list_remove(pw->queue, pi);
 469                                         pi->queued = FALSE;
 470                                         }
 471                                 if (pw->queue_pi == pi) pw->queue_pi = nullptr;
 472                                 if (pi->pixbuf)
 473                                         {
 474                                         g_object_unref(pi->pixbuf);
 475                                         pi->pixbuf = nullptr;
 476                                         }
 477                                 }
 478                         }
 479                 }
 480
 481         g_list_free(list);
 482 }
 483
 484
 485 /*
 486  *-----------------------------------------------------------------------------
 487  * misc
 488  *-----------------------------------------------------------------------------
 489  */
 490
 491 static void pan_window_message(PanWindow *pw, const gchar *text)
 492 {
 493         GList *work;
 494         gint count = 0;
 495         gint64 size = 0;
 496         gchar *ss;
 497         gchar *buf;
 498
 499         if (text)
 500                 {
 501                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 502                 return;
 503                 }
 504
 505         work = pw->list_static;
 506         if (pw->layout == PAN_LAYOUT_CALENDAR)
 507                 {
 508                 while (work)
 509                         {
 510                         PanItem *pi;
 511
 512                         pi = static_cast<PanItem *>(work->data);
 513                         work = work->next;
 514
 515                         if (pi->fd &&
 516                             pi->type == PAN_ITEM_BOX &&
 517                             pi->key && strcmp(pi->key, "dot") == 0)
 518                                 {
 519                                 size += pi->fd->size;
 520                                 count++;
 521                                 }
 522                         }
 523                 }
 524         else
 525                 {
 526                 while (work)
 527                         {
 528                         PanItem *pi;
 529
 530                         pi = static_cast<PanItem *>(work->data);
 531                         work = work->next;
 532
 533                         if (pi->fd &&
 534                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 535                                 {
 536                                 size += pi->fd->size;
 537                                 count++;
 538                                 }
 539                         }
 540                 }
 541
 542         ss = text_from_size_abrev(size);
 543         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 544         g_free(ss);
 545         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 546         g_free(buf);
 547 }
 548
 549 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 550 {
 551         gchar *message;
 552
 553         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 554         warning_dialog(_("Folder not supported"), message,
 555                       GQ_ICON_DIALOG_INFO, parent);
 556         g_free(message);
 557 }
 558
 559 static void pan_window_zoom_limit(PanWindow *pw)
 560 {
 561         gdouble min;
 562
 563         switch (pw->size)
 564                 {
 565                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 566                 case PAN_IMAGE_SIZE_THUMB_NONE:
 567                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 568                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 569 #if 0
 570                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 571                         min = -16.0;
 572                         break;
 573 #endif
 574                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 575                         min = -6.0;
 576                         break;
 577                 case PAN_IMAGE_SIZE_10:
 578                 case PAN_IMAGE_SIZE_25:
 579                         min = -4.0;
 580                         break;
 581                 case PAN_IMAGE_SIZE_33:
 582                 case PAN_IMAGE_SIZE_50:
 583                 case PAN_IMAGE_SIZE_100:
 584                 default:
 585                         min = -2.0;
 586                         break;
 587                 }
 588
 589         image_zoom_set_limits(pw->imd, min, 32.0);
 590 }
 591
 592
 593 /*
 594  *-----------------------------------------------------------------------------
 595  * cache
 596  *-----------------------------------------------------------------------------
 597  */
 598
 599 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 600 {
 601         auto pca = static_cast<PanCacheData *>(a);
 602         auto pcb = static_cast<PanCacheData *>(b);
 603         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 604 }
 605 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend, gboolean case_sensitive)
 606 {
 607         return filelist_sort_full(list, method, ascend, case_sensitive, reinterpret_cast<GCompareFunc>(pan_cache_sort_file_cb));
 608 }
 609
 610
 611 static void pan_cache_free(PanWindow *pw)
 612 {
 613         g_list_free_full(pw->cache_list, [](gpointer data)
 614                 {
 615                 auto pc = static_cast<PanCacheData *>(data);
 616                 cache_sim_data_free(pc->cd);
 617                 file_data_unref(pc->fd);
 618                 g_free(pc);
 619                 });
 620         pw->cache_list = nullptr;
 621
 622         filelist_free(pw->cache_todo);
 623         pw->cache_todo = nullptr;
 624
 625         pw->cache_count = 0;
 626         pw->cache_total = 0;
 627         pw->cache_tick = 0;
 628
 629         cache_loader_free(pw->cache_cl);
 630         pw->cache_cl = nullptr;
 631 }
 632
 633 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 634 {
 635         GList *list;
 636
 637         pan_cache_free(pw);
 638
 639         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, TRUE, pw->ignore_symlinks);
 640         pw->cache_todo = g_list_reverse(list);
 641
 642         pw->cache_total = g_list_length(pw->cache_todo);
 643 }
 644
 645 static void pan_cache_step_done_cb(CacheLoader *cl, gint, gpointer data)
 646 {
 647         auto pw = static_cast<PanWindow *>(data);
 648
 649         if (pw->cache_list)
 650                 {
 651                 PanCacheData *pc;
 652                 pc = static_cast<PanCacheData *>(pw->cache_list->data);
 653
 654                 if (!pc->cd)
 655                         {
 656                         pc->cd = cl->cd;
 657                         cl->cd = nullptr;
 658                         }
 659                 }
 660
 661         cache_loader_free(cl);
 662         pw->cache_cl = nullptr;
 663
 664         pan_layout_update_idle(pw);
 665 }
 666
 667 static gboolean pan_cache_step(PanWindow *pw)
 668 {
 669         FileData *fd;
 670         PanCacheData *pc;
 671         CacheDataType load_mask;
 672
 673         if (!pw->cache_todo) return TRUE;
 674
 675         fd = static_cast<FileData *>(pw->cache_todo->data);
 676         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 677
 678         pc = g_new0(PanCacheData, 1);
 679         pc->fd = file_data_ref(fd);
 680
 681         pc->cd = nullptr;
 682
 683         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 684
 685         cache_loader_free(pw->cache_cl);
 686
 687         load_mask = CACHE_LOADER_NONE;
 688         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DIMENSIONS);
 689         if (pw->exif_date_enable) load_mask = static_cast<CacheDataType>(load_mask | CACHE_LOADER_DATE);
 690         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 691                                         pan_cache_step_done_cb, pw);
 692         return (pw->cache_cl == nullptr);
 693 }
 694
 695 /* This sync date function is optimized for lists with a common sort */
 696 void pan_cache_sync_date(PanWindow *pw, GList *list)
 697 {
 698         GList *haystack;
 699         GList *work;
 700
 701         haystack = g_list_copy(pw->cache_list);
 702
 703         work = list;
 704         while (work)
 705                 {
 706                 FileData *fd;
 707                 GList *needle;
 708
 709                 fd = static_cast<FileData *>(work->data);
 710                 work = work->next;
 711
 712                 needle = haystack;
 713                 while (needle)
 714                         {
 715                         PanCacheData *pc;
 716
 717                         pc = static_cast<PanCacheData *>(needle->data);
 718                         if (pc->fd == fd)
 719                                 {
 720                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 721                                         {
 722                                         fd->date = pc->cd->date;
 723                                         }
 724
 725                                 haystack = g_list_delete_link(haystack, needle);
 726                                 needle = nullptr;
 727                                 }
 728                         else
 729                                 {
 730                                 needle = needle->next;
 731                                 }
 732                         }
 733                 }
 734
 735         g_list_free(haystack);
 736 }
 737
 738 /*
 739  *-----------------------------------------------------------------------------
 740  * item grid
 741  *-----------------------------------------------------------------------------
 742  */
 743
 744 static void pan_grid_clear(PanWindow *pw)
 745 {
 746         g_list_free_full(pw->list_grid, [](gpointer data)
 747                 {
 748                 auto pg = static_cast<PanGrid *>(data);
 749                 g_list_free(pg->list);
 750                 g_free(pg);
 751                 });
 752         pw->list_grid = nullptr;
 753
 754         pw->list = g_list_concat(pw->list, pw->list_static);
 755         pw->list_static = nullptr;
 756 }
 757
 758 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 759 {
 760         GList *work;
 761         gint col;
 762         gint row;
 763         gint cw;
 764         gint ch;
 765         gint l;
 766         gint i;
 767         gint j;
 768
 769         pan_grid_clear(pw);
 770
 771         l = g_list_length(pw->list);
 772
 773         if (l < 1) return;
 774
 775         col = static_cast<gint>(sqrt(static_cast<gdouble>(l) / grid_size) * width / height + 0.999);
 776         col = CLAMP(col, 1, l / grid_size + 1);
 777         row = static_cast<gint>(static_cast<gdouble>(l) / grid_size / col);
 778         if (row < 1) row = 1;
 779
 780         /* limit minimum size of grid so that a tile will always fit regardless of position */
 781         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 782         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 783
 784         row = row * 2 - 1;
 785         col = col * 2 - 1;
 786
 787         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 788
 789         for (j = 0; j < row; j++)
 790             for (i = 0; i < col; i++)
 791                 {
 792                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 793                         {
 794                         PanGrid *pg;
 795
 796                         pg = g_new0(PanGrid, 1);
 797                         pg->x = i * cw / 2;
 798                         pg->y = j * ch / 2;
 799                         pg->w = cw;
 800                         pg->h = ch;
 801
 802                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 803
 804                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 805                         }
 806                 }
 807
 808         work = pw->list;
 809         while (work)
 810                 {
 811                 PanItem *pi;
 812                 GList *grid;
 813
 814                 pi = static_cast<PanItem *>(work->data);
 815                 work = work->next;
 816
 817                 grid = pw->list_grid;
 818                 while (grid)
 819                         {
 820                         PanGrid *pg;
 821                         gint rx;
 822                         gint ry;
 823                         gint rw;
 824                         gint rh;
 825
 826                         pg = static_cast<PanGrid *>(grid->data);
 827                         grid = grid->next;
 828
 829                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 830                                              pg->x, pg->y, pg->w, pg->h,
 831                                              &rx, &ry, &rw, &rh))
 832                                 {
 833                                 pg->list = g_list_prepend(pg->list, pi);
 834                                 }
 835                         }
 836                 }
 837
 838         work = pw->list_grid;
 839         while (work)
 840                 {
 841                 PanGrid *pg;
 842
 843                 pg = static_cast<PanGrid *>(work->data);
 844                 work = work->next;
 845
 846                 pg->list = g_list_reverse(pg->list);
 847                 }
 848
 849         pw->list_static = pw->list;
 850         pw->list = nullptr;
 851 }
 852
 853
 854 /*
 855  *-----------------------------------------------------------------------------
 856  * layout state reset
 857  *-----------------------------------------------------------------------------
 858  */
 859
 860 static void pan_window_items_free(PanWindow *pw)
 861 {
 862         pan_grid_clear(pw);
 863
 864         g_list_free_full(pw->list, reinterpret_cast<GDestroyNotify>(pan_item_free));
 865         pw->list = nullptr;
 866
 867         g_list_free(pw->queue);
 868         pw->queue = nullptr;
 869         pw->queue_pi = nullptr;
 870
 871         image_loader_free(pw->il);
 872         pw->il = nullptr;
 873
 874         thumb_loader_free(pw->tl);
 875         pw->tl = nullptr;
 876
 877         pw->click_pi = nullptr;
 878         pw->search_pi = nullptr;
 879 }
 880
 881
 882 /*
 883  *-----------------------------------------------------------------------------
 884  * layout generation, queries, sizing
 885  *-----------------------------------------------------------------------------
 886  */
 887
 888 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 889                                gint *width, gint *height,
 890                                gint *scroll_x, gint *scroll_y)
 891 {
 892         pan_window_items_free(pw);
 893
 894         switch (pw->size)
 895                 {
 896                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 897                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 898                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 899                         break;
 900                 case PAN_IMAGE_SIZE_THUMB_NONE:
 901                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 902                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 903                         break;
 904                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 905                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 906                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 907                         break;
 908                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 909                 default:
 910                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 911                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 912                         break;
 913                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 914                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 915                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 916                         break;
 917                 case PAN_IMAGE_SIZE_10:
 918                         pw->image_size = 10;
 919                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 920                         break;
 921                 case PAN_IMAGE_SIZE_25:
 922                         pw->image_size = 25;
 923                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 924                         break;
 925                 case PAN_IMAGE_SIZE_33:
 926                         pw->image_size = 33;
 927                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 928                         break;
 929                 case PAN_IMAGE_SIZE_50:
 930                         pw->image_size = 50;
 931                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 932                         break;
 933                 case PAN_IMAGE_SIZE_100:
 934                         pw->image_size = 100;
 935                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 936                         break;
 937                 }
 938
 939         *width = 0;
 940         *height = 0;
 941         *scroll_x = 0;
 942         *scroll_y = 0;
 943
 944         switch (pw->layout)
 945                 {
 946                 case PAN_LAYOUT_GRID:
 947                 default:
 948                         pan_grid_compute(pw, dir_fd, width, height);
 949                         break;
 950                 case PAN_LAYOUT_FOLDERS_LINEAR:
 951                         pan_folder_tree_compute(pw, dir_fd, width, height);
 952                         break;
 953                 case PAN_LAYOUT_FOLDERS_FLOWER:
 954                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 955                         break;
 956                 case PAN_LAYOUT_CALENDAR:
 957                         pan_calendar_compute(pw, dir_fd, width, height);
 958                         break;
 959                 case PAN_LAYOUT_TIMELINE:
 960                         pan_timeline_compute(pw, dir_fd, width, height);
 961                         break;
 962                 }
 963
 964         pan_cache_free(pw);
 965
 966         DEBUG_1("computed %d objects", g_list_length(pw->list));
 967 }
 968
 969 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 970                                      gint x, gint y, gint width, gint height)
 971 {
 972         GList *work;
 973
 974         work = item_list;
 975         while (work)
 976                 {
 977                 PanItem *pi;
 978                 gint rx;
 979                 gint ry;
 980                 gint rw;
 981                 gint rh;
 982
 983                 pi = static_cast<PanItem *>(work->data);
 984                 work = work->next;
 985
 986                 if (util_clip_region(x, y, width, height,
 987                                      pi->x, pi->y, pi->width, pi->height,
 988                                      &rx, &ry, &rw, &rh))
 989                         {
 990                         list = g_list_prepend(list, pi);
 991                         }
 992                 }
 993
 994         return list;
 995 }
 996
 997 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 998 {
 999         GList *list = nullptr;
1000         GList *grid;
1001         PanGrid *pg = nullptr;
1002
1003         grid = pw->list_grid;
1004         while (grid && !pg)
1005                 {
1006                 pg = static_cast<PanGrid *>(grid->data);
1007                 grid = grid->next;
1008
1009                 if (x < pg->x || x + width > pg->x + pg->w ||
1010                     y < pg->y || y + height > pg->y + pg->h)
1011                         {
1012                         pg = nullptr;
1013                         }
1014                 }
1015
1016         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1017
1018         if (pg)
1019                 {
1020                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1021                 }
1022         else
1023                 {
1024                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1025                 }
1026
1027         return list;
1028 }
1029
1030 void pan_layout_resize(PanWindow *pw)
1031 {
1032         gint width = 0;
1033         gint height = 0;
1034         GList *work;
1035         PixbufRenderer *pr;
1036
1037         work = pw->list;
1038         while (work)
1039                 {
1040                 PanItem *pi;
1041
1042                 pi = static_cast<PanItem *>(work->data);
1043                 work = work->next;
1044
1045                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1046                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1047                 }
1048         work = pw->list_static;
1049         while (work)
1050                 {
1051                 PanItem *pi;
1052
1053                 pi = static_cast<PanItem *>(work->data);
1054                 work = work->next;
1055
1056                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1057                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1058                 }
1059
1060         width += PAN_BOX_BORDER * 2;
1061         height += PAN_BOX_BORDER * 2;
1062
1063         pr = PIXBUF_RENDERER(pw->imd->pr);
1064         if (width < pr->window_width) width = pr->window_width;
1065         if (height < pr->window_width) height = pr->window_height;
1066
1067         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1068 }
1069
1070 static gint pan_layout_update_idle_cb(gpointer data)
1071 {
1072         auto pw = static_cast<PanWindow *>(data);
1073         gint width;
1074         gint height;
1075         gint scroll_x;
1076         gint scroll_y;
1077
1078         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1079             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1080                 {
1081                 if (!pw->cache_list && !pw->cache_todo)
1082                         {
1083                         pan_cache_fill(pw, pw->dir_fd);
1084                         if (pw->cache_todo)
1085                                 {
1086                                 pan_window_message(pw, _("Reading image data..."));
1087                                 return G_SOURCE_CONTINUE;
1088                                 }
1089                         }
1090                 if (pw->cache_todo)
1091                         {
1092                         pw->cache_count++;
1093                         pw->cache_tick++;
1094                         if (pw->cache_count == pw->cache_total)
1095                                 {
1096                                 pan_window_message(pw, _("Sorting..."));
1097                                 }
1098                         else if (pw->cache_tick > 9)
1099                                 {
1100                                 gchar *buf;
1101
1102                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1103                                                       pw->cache_count, pw->cache_total);
1104                                 pan_window_message(pw, buf);
1105                                 g_free(buf);
1106
1107                                 pw->cache_tick = 0;
1108                                 }
1109
1110                         if (pan_cache_step(pw)) return G_SOURCE_CONTINUE;
1111
1112                         pw->idle_id = 0;
1113                         return G_SOURCE_REMOVE;
1114                         }
1115                 }
1116
1117         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1118
1119         pan_window_zoom_limit(pw);
1120
1121         if (width > 0 && height > 0)
1122                 {
1123                 gdouble align;
1124
1125                 DEBUG_1("Canvas size is %d x %d", width, height);
1126
1127                 pan_grid_build(pw, width, height, 1000);
1128
1129                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1130                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1131                                           pan_window_request_tile_cb,
1132                                           pan_window_dispose_tile_cb, pw, 1.0);
1133
1134                 if (scroll_x == 0 && scroll_y == 0)
1135                         {
1136                         align = 0.0;
1137                         }
1138                 else
1139                         {
1140                         align = 0.5;
1141                         }
1142                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1143                 }
1144
1145         pan_window_message(pw, nullptr);
1146
1147         pw->idle_id = 0;
1148         return G_SOURCE_REMOVE;
1149 }
1150
1151 static void pan_layout_update_idle(PanWindow *pw)
1152 {
1153         if (!pw->idle_id)
1154                 {
1155                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1156                 }
1157 }
1158
1159 void pan_layout_update(PanWindow *pw)
1160 {
1161         pan_window_message(pw, _("Sorting images..."));
1162         pan_layout_update_idle(pw);
1163 }
1164
1165 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1166 {
1167         if (!dir_fd) return;
1168
1169         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1170                 {
1171                 pan_warning_folder(dir_fd->path, pw->window);
1172                 return;
1173                 }
1174
1175         file_data_unref(pw->dir_fd);
1176         pw->dir_fd = file_data_ref(dir_fd);
1177
1178         pan_layout_update(pw);
1179 }
1180
1181
1182 /*
1183  *-----------------------------------------------------------------------------
1184  * keyboard handlers
1185  *-----------------------------------------------------------------------------
1186  */
1187
1188 FileData *pan_menu_click_fd(PanWindow *pw)
1189 {
1190         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1191         return nullptr;
1192 }
1193
1194 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1195 {
1196         auto pw = static_cast<PanWindow *>(data);
1197         PixbufRenderer *pr;
1198         FileData *fd;
1199         gboolean stop_signal = FALSE;
1200         GtkWidget *menu;
1201         GtkWidget *imd_widget;
1202         gint x = 0;
1203         gint y = 0;
1204         gint focused;
1205         gint on_entry;
1206
1207         pr = PIXBUF_RENDERER(pw->imd->pr);
1208         fd = pan_menu_click_fd(pw);
1209
1210         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1211         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1212         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1213                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1214                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1215
1216         if (focused)
1217                 {
1218                 stop_signal = TRUE;
1219                 switch (event->keyval)
1220                         {
1221                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1222                                 x -= 1;
1223                                 break;
1224                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1225                                 x += 1;
1226                                 break;
1227                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1228                                 y -= 1;
1229                                 break;
1230                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1231                                 y += 1;
1232                                 break;
1233                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1234                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1235                                 break;
1236                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1237                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1238                                 break;
1239                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1240                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1241                                 break;
1242                         case GDK_KEY_End: case GDK_KEY_KP_End:
1243                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1244                                 break;
1245                         default:
1246                                 stop_signal = FALSE;
1247                                 break;
1248                         }
1249
1250                 if (x != 0 || y!= 0)
1251                         {
1252                         keyboard_scroll_calc(x, y, event);
1253                         pixbuf_renderer_scroll(pr, x, y);
1254                         }
1255                 }
1256
1257         if (stop_signal) return stop_signal;
1258
1259         if (event->state & GDK_CONTROL_MASK)
1260                 {
1261                 stop_signal = TRUE;
1262                 switch (event->keyval)
1263                         {
1264                         case '1':
1265                         case '2':
1266                         case '3':
1267                         case '4':
1268                         case '5':
1269                         case '6':
1270                         case '7':
1271                         case '8':
1272                         case '9':
1273                         case '0':
1274                                 break;
1275                         case 'C': case 'c':
1276                                 if (fd) file_util_copy(fd, nullptr, nullptr, GTK_WIDGET(pr));
1277                                 break;
1278                         case 'M': case 'm':
1279                                 if (fd) file_util_move(fd, nullptr, nullptr, GTK_WIDGET(pr));
1280                                 break;
1281                         case 'R': case 'r':
1282                                 if (fd) file_util_rename(fd, nullptr, GTK_WIDGET(pr));
1283                                 break;
1284                         case 'D': case 'd':
1285                                 if (fd)
1286                                         {
1287                                         options->file_ops.safe_delete_enable = TRUE;
1288                                         file_util_delete(fd, nullptr, GTK_WIDGET(pr));
1289                                         }
1290                                 break;
1291                         case 'F': case 'f':
1292                                 pan_search_toggle_visible(pw, TRUE);
1293                                 break;
1294                         case 'G': case 'g':
1295                                 pan_search_activate(pw);
1296                                 break;
1297                         case 'W': case 'w':
1298                                 pan_window_close(pw);
1299                                 break;
1300                         default:
1301                                 stop_signal = FALSE;
1302                                 break;
1303                         }
1304                 }
1305         else
1306                 {
1307                 stop_signal = TRUE;
1308                 switch (event->keyval)
1309                         {
1310                         case GDK_KEY_Escape:
1311                                 if (pw->fs)
1312                                         {
1313                                         pan_fullscreen_toggle(pw, TRUE);
1314                                         }
1315                                 else
1316                                         {
1317                                         pan_search_toggle_visible(pw, FALSE);
1318                                         }
1319                                 break;
1320                         default:
1321                                 stop_signal = FALSE;
1322                                 break;
1323                         }
1324
1325                 if (stop_signal) return stop_signal;
1326
1327                 // Don't steal characters from entry boxes.
1328                 if (!on_entry)
1329                         {
1330                         stop_signal = TRUE;
1331                         switch (event->keyval)
1332                                 {
1333                                 case '+': case '=': case GDK_KEY_KP_Add:
1334                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1335                                         break;
1336                                 case '-': case GDK_KEY_KP_Subtract:
1337                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1338                                         break;
1339                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1340                                         pixbuf_renderer_zoom_set(pr, 1.0);
1341                                         break;
1342                                 case '2':
1343                                         pixbuf_renderer_zoom_set(pr, 2.0);
1344                                         break;
1345                                 case '3':
1346                                         pixbuf_renderer_zoom_set(pr, 3.0);
1347                                         break;
1348                                 case '4':
1349                                         pixbuf_renderer_zoom_set(pr, 4.0);
1350                                         break;
1351                                 case '7':
1352                                         pixbuf_renderer_zoom_set(pr, -4.0);
1353                                         break;
1354                                 case '8':
1355                                         pixbuf_renderer_zoom_set(pr, -3.0);
1356                                         break;
1357                                 case '9':
1358                                         pixbuf_renderer_zoom_set(pr, -2.0);
1359                                         break;
1360                                 case 'F': case 'f':
1361                                 case 'V': case 'v':
1362                                 case GDK_KEY_F11:
1363                                         pan_fullscreen_toggle(pw, FALSE);
1364                                         break;
1365                                 case 'I': case 'i':
1366                                         break;
1367                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1368                                         break;
1369                                 case GDK_KEY_Menu:
1370                                 case GDK_KEY_F10:
1371                                         menu = pan_popup_menu(pw);
1372                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, nullptr);
1373
1374                                         break;
1375                                 case '/':
1376                                         pan_search_toggle_visible(pw, TRUE);
1377                                         break;
1378                                         stop_signal = FALSE;
1379                                         break;
1380                                 }
1381                         }
1382                 }
1383         if (!stop_signal && is_help_key(event))
1384                 {
1385                 help_window_show("GuideOtherWindowsPanView.html");
1386                 stop_signal = TRUE;
1387                 }
1388
1389         return stop_signal;
1390 }
1391
1392 /*
1393  *-----------------------------------------------------------------------------
1394  * info popup
1395  *-----------------------------------------------------------------------------
1396  */
1397
1398 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1399 {
1400         GList *exif_list;
1401         gchar *text;
1402         gchar *title;
1403         gchar *key;
1404
1405         if (!fd) return;
1406
1407         exif_list = bar_pane_exif_list();
1408         while (exif_list)
1409                 {
1410                 title = static_cast<gchar *>(exif_list->data);
1411                 exif_list = exif_list->next;
1412                 key = static_cast<gchar *>(exif_list->data);
1413                 exif_list = exif_list->next;
1414
1415                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1416                 if (text && text[0] != '\0')
1417                         {
1418                         pan_text_alignment_add(ta, title, text);
1419                         }
1420
1421                 g_free(text);
1422                 }
1423
1424         g_list_free_full(exif_list, g_free);
1425 }
1426
1427
1428 void pan_info_update(PanWindow *pw, PanItem *pi)
1429 {
1430         PanTextAlignment *ta;
1431         PanItem *pbox;
1432         PanItem *p;
1433         gchar *buf;
1434         gint x1;
1435         gint y1;
1436         gint x2;
1437         gint y2;
1438         gint x3;
1439         gint y3;
1440         gint x;
1441         gint y;
1442         gint w;
1443         gint h;
1444
1445         if (pw->click_pi == pi) return;
1446         if (pi && !pi->fd) pi = nullptr;
1447
1448         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1449         pw->click_pi = pi;
1450
1451         if (!pi) return;
1452
1453         DEBUG_1("info set to %s", pi->fd->path);
1454
1455         pbox = pan_item_box_new(pw, nullptr, pi->x + pi->width + 4, pi->y, 10, 10,
1456                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
1457         pan_item_set_key(pbox, "info");
1458
1459         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1460                 {
1461                 w = gdk_pixbuf_get_width(pi->pixbuf);
1462                 h = gdk_pixbuf_get_height(pi->pixbuf);
1463
1464                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1465                 y1 = pi->y + (pi->height - h) / 2 + 8;
1466                 }
1467         else
1468                 {
1469                 x1 = pi->x + pi->width - 8;
1470                 y1 = pi->y + 8;
1471                 }
1472
1473         x2 = pbox->x + 1;
1474         y2 = pbox->y + 36;
1475         x3 = pbox->x + 1;
1476         y3 = pbox->y + 12;
1477         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1478                            x, y, w, h);
1479
1480         p = pan_item_tri_new(pw, nullptr, x, y, w, h,
1481                              x1, y1, x2, y2, x3, y3,
1482                              PAN_POPUP_COLOR);
1483         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR);
1484         pan_item_set_key(p, "info");
1485         pan_item_added(pw, p);
1486
1487         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1488
1489         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1490         buf = remove_level_from_path(pi->fd->path);
1491         pan_text_alignment_add(ta, _("Location:"), buf);
1492         g_free(buf);
1493         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1494         buf = text_from_size(pi->fd->size);
1495         pan_text_alignment_add(ta, _("Size:"), buf);
1496         g_free(buf);
1497
1498         if (pw->info_includes_exif)
1499                 {
1500                 pan_info_add_exif(ta, pi->fd);
1501                 }
1502
1503         pan_text_alignment_calc(ta, pbox);
1504         pan_text_alignment_free(ta);
1505
1506         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1507         pan_item_added(pw, pbox);
1508
1509         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1510                 {
1511                 gint iw;
1512                 gint ih;
1513                 if (image_load_dimensions(pi->fd, &iw, &ih))
1514                         {
1515                         gint scale = 25;
1516
1517                         switch (pw->info_image_size)
1518                                 {
1519                                 case PAN_IMAGE_SIZE_10:
1520                                         scale = 10;
1521                                         break;
1522                                 case PAN_IMAGE_SIZE_25:
1523                                         scale = 25;
1524                                         break;
1525                                 case PAN_IMAGE_SIZE_33:
1526                                         scale = 33;
1527                                         break;
1528                                 case PAN_IMAGE_SIZE_50:
1529                                         scale = 50;
1530                                         break;
1531                                 case PAN_IMAGE_SIZE_100:
1532                                         scale = 100;
1533                                         break;
1534                                 }
1535
1536                         iw = MAX(1, iw * scale / 100);
1537                         ih = MAX(1, ih * scale / 100);
1538
1539                         pbox = pan_item_box_new(pw, nullptr, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1540                                                 PAN_POPUP_BORDER, PAN_POPUP_COLOR, PAN_POPUP_BORDER_COLOR);
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, 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, TRUE);
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 to clipboard"), active,
2404                                 G_CALLBACK(pan_copy_path_cb), pw);
2405         menu_item_add_sensitive(menu, _("_Copy to clipboard (unquoted)"), 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: */