src/pan-view/pan-view.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-view.h"
  23
  24 #include "bar_exif.h"
  25 #include "dnd.h"
  26 #include "editors.h"
  27 #include "exif.h"
  28 #include "fullscreen.h"
  29 #include "history_list.h"
  30 #include "image.h"
  31 #include "img-view.h"
  32 #include "layout_util.h"
  33 #include "menu.h"
  34 #include "metadata.h"
  35 #include "misc.h"
  36 #include "pan-calendar.h"
  37 #include "pan-folder.h"
  38 #include "pan-grid.h"
  39 #include "pan-item.h"
  40 #include "pan-timeline.h"
  41 #include "pan-util.h"
  42 #include "pan-view-filter.h"
  43 #include "pan-view-search.h"
  44 #include "pixbuf-renderer.h"
  45 #include "pixbuf_util.h"
  46 #include "thumb.h"
  47 #include "ui_fileops.h"
  48 #include "ui_menu.h"
  49 #include "ui_misc.h"
  50 #include "ui_tabcomp.h"
  51 #include "ui_utildlg.h"
  52 #include "uri_utils.h"
  53 #include "utilops.h"
  54 #include "window.h"
  55
  56 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  57
  58 #include <math.h>
  59
  60
  61 #define PAN_WINDOW_DEFAULT_WIDTH 720
  62 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  63
  64 #define PAN_TILE_SIZE 512
  65
  66 #define ZOOM_INCREMENT 1.0
  67 #define ZOOM_LABEL_WIDTH 64
  68
  69
  70 #define PAN_PREF_GROUP          "pan_view_options"
  71 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  72 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  73 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  74 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  75
  76
  77 static GList *pan_window_list = NULL;
  78
  79
  80 static void pan_layout_update_idle(PanWindow *pw);
  81
  82 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  83
  84 static void pan_window_close(PanWindow *pw);
  85
  86 static GtkWidget *pan_popup_menu(PanWindow *pw);
  87
  88 static void pan_window_dnd_init(PanWindow *pw);
  89
  90
  91 /*
  92  *-----------------------------------------------------------------------------
  93  * the image/thumb loader queue
  94  *-----------------------------------------------------------------------------
  95  */
  96
  97 static gboolean pan_queue_step(PanWindow *pw);
  98
  99
 100 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 101 {
 102         PanWindow *pw = data;
 103
 104         if (pw->queue_pi)
 105                 {
 106                 PanItem *pi;
 107                 gint rc;
 108
 109                 pi = pw->queue_pi;
 110                 pw->queue_pi = NULL;
 111
 112                 pi->queued = FALSE;
 113
 114                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 115                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 116
 117                 rc = pi->refcount;
 118                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 119                 pi->refcount = rc;
 120                 }
 121
 122         thumb_loader_free(pw->tl);
 123         pw->tl = NULL;
 124
 125         while (pan_queue_step(pw));
 126 }
 127
 128 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 129 {
 130         PanWindow *pw = data;
 131         GdkPixbuf *rotated = NULL;
 132
 133         if (pw->queue_pi)
 134                 {
 135                 PanItem *pi;
 136                 gint rc;
 137
 138                 pi = pw->queue_pi;
 139                 pw->queue_pi = NULL;
 140
 141                 pi->queued = FALSE;
 142
 143                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 144                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 145
 146                 if (pi->pixbuf && options->image.exif_rotate_enable)
 147                         {
 148                         if (!il->fd->exif_orientation)
 149                                 {
 150                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 151                                         {
 152                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 153                                         }
 154                                 else
 155                                         {
 156                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 157                                         }
 158                                 }
 159
 160                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 161                                 {
 162                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 163                                 pi->pixbuf = rotated;
 164                                 }
 165                         }
 166
 167                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 168
 169                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 170                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 171                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 172                         {
 173                         GdkPixbuf *tmp;
 174
 175                         tmp = pi->pixbuf;
 176                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 177                                                              (GdkInterpType)options->image.zoom_quality);
 178                         g_object_unref(tmp);
 179                         }
 180
 181                 rc = pi->refcount;
 182                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 183                 pi->refcount = rc;
 184                 }
 185
 186         image_loader_free(pw->il);
 187         pw->il = NULL;
 188
 189         while (pan_queue_step(pw));
 190 }
 191
 192 static gboolean pan_queue_step(PanWindow *pw)
 193 {
 194         PanItem *pi;
 195
 196         if (!pw->queue) return FALSE;
 197
 198         pi = pw->queue->data;
 199         pw->queue = g_list_remove(pw->queue, pi);
 200         pw->queue_pi = pi;
 201
 202         if (!pw->queue_pi->fd)
 203                 {
 204                 pw->queue_pi->queued = FALSE;
 205                 pw->queue_pi = NULL;
 206                 return TRUE;
 207                 }
 208
 209         image_loader_free(pw->il);
 210         pw->il = NULL;
 211         thumb_loader_free(pw->tl);
 212         pw->tl = NULL;
 213
 214         if (pi->type == PAN_ITEM_IMAGE)
 215                 {
 216                 pw->il = image_loader_new(pi->fd);
 217
 218                 if (pw->size != PAN_IMAGE_SIZE_100)
 219                         {
 220                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 221                         }
 222
 223                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 224                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 225
 226                 if (image_loader_start(pw->il)) return FALSE;
 227
 228                 image_loader_free(pw->il);
 229                 pw->il = NULL;
 230                 }
 231         else if (pi->type == PAN_ITEM_THUMB)
 232                 {
 233                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 234
 235                 if (!pw->tl->standard_loader)
 236                         {
 237                         /* The classic loader will recreate a thumbnail any time we
 238                          * request a different size than what exists. This view will
 239                          * almost never use the user configured sizes so disable cache.
 240                          */
 241                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 242                         }
 243
 244                 thumb_loader_set_callbacks(pw->tl,
 245                                            pan_queue_thumb_done_cb,
 246                                            pan_queue_thumb_done_cb,
 247                                            NULL, pw);
 248
 249                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 250
 251                 thumb_loader_free(pw->tl);
 252                 pw->tl = NULL;
 253                 }
 254
 255         pw->queue_pi->queued = FALSE;
 256         pw->queue_pi = NULL;
 257         return TRUE;
 258 }
 259
 260 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 261 {
 262         if (!pi || pi->queued || pi->pixbuf) return;
 263         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 264             (!pi->key || strcmp(pi->key, "info") != 0) )
 265                 {
 266                 return;
 267                 }
 268
 269         pi->queued = TRUE;
 270         pw->queue = g_list_prepend(pw->queue, pi);
 271
 272         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 273 }
 274
 275
 276 /*
 277  *-----------------------------------------------------------------------------
 278  * tile request/dispose handlers
 279  *-----------------------------------------------------------------------------
 280  */
 281
 282 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 283                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 284 {
 285         PanWindow *pw = data;
 286         GList *list;
 287         GList *work;
 288         gint i;
 289
 290         pixbuf_set_rect_fill(pixbuf,
 291                              0, 0, width, height,
 292                              PAN_BACKGROUND_COLOR, 255);
 293
 294         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 295                 {
 296                 gint rx, ry, rw, rh;
 297
 298                 if (util_clip_region(x, y, width, height,
 299                                      i, y, 1, height,
 300                                      &rx, &ry, &rw, &rh))
 301                         {
 302                         pixbuf_draw_rect_fill(pixbuf,
 303                                               rx - x, ry - y, rw, rh,
 304                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 305                         }
 306                 }
 307         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 308                 {
 309                 gint rx, ry, rw, rh;
 310
 311                 if (util_clip_region(x, y, width, height,
 312                                      x, i, width, 1,
 313                                      &rx, &ry, &rw, &rh))
 314                         {
 315                         pixbuf_draw_rect_fill(pixbuf,
 316                                               rx - x, ry - y, rw, rh,
 317                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 318                         }
 319                 }
 320
 321         list = pan_layout_intersect(pw, x, y, width, height);
 322         work = list;
 323         while (work)
 324                 {
 325                 PanItem *pi;
 326                 gboolean queue = FALSE;
 327
 328                 pi = work->data;
 329                 work = work->next;
 330
 331                 pi->refcount++;
 332
 333                 switch (pi->type)
 334                         {
 335                         case PAN_ITEM_BOX:
 336                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 337                                 break;
 338                         case PAN_ITEM_TRIANGLE:
 339                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 340                                 break;
 341                         case PAN_ITEM_TEXT:
 342                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 343                                 break;
 344                         case PAN_ITEM_THUMB:
 345                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 346                                 break;
 347                         case PAN_ITEM_IMAGE:
 348                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 349                                 break;
 350                         case PAN_ITEM_NONE:
 351                         default:
 352                                 break;
 353                         }
 354
 355                 if (queue) pan_queue_add(pw, pi);
 356                 }
 357
 358         g_list_free(list);
 359
 360         return TRUE;
 361 }
 362
 363 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 364                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 365 {
 366         PanWindow *pw = data;
 367         GList *list;
 368         GList *work;
 369
 370         list = pan_layout_intersect(pw, x, y, width, height);
 371         work = list;
 372         while (work)
 373                 {
 374                 PanItem *pi;
 375
 376                 pi = work->data;
 377                 work = work->next;
 378
 379                 if (pi->refcount > 0)
 380                         {
 381                         pi->refcount--;
 382
 383                         if (pi->refcount == 0)
 384                                 {
 385                                 if (pi->queued)
 386                                         {
 387                                         pw->queue = g_list_remove(pw->queue, pi);
 388                                         pi->queued = FALSE;
 389                                         }
 390                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 391                                 if (pi->pixbuf)
 392                                         {
 393                                         g_object_unref(pi->pixbuf);
 394                                         pi->pixbuf = NULL;
 395                                         }
 396                                 }
 397                         }
 398                 }
 399
 400         g_list_free(list);
 401 }
 402
 403
 404 /*
 405  *-----------------------------------------------------------------------------
 406  * misc
 407  *-----------------------------------------------------------------------------
 408  */
 409
 410 static void pan_window_message(PanWindow *pw, const gchar *text)
 411 {
 412         GList *work;
 413         gint count = 0;
 414         gint64 size = 0;
 415         gchar *ss;
 416         gchar *buf;
 417
 418         if (text)
 419                 {
 420                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 421                 return;
 422                 }
 423
 424         work = pw->list_static;
 425         if (pw->layout == PAN_LAYOUT_CALENDAR)
 426                 {
 427                 while (work)
 428                         {
 429                         PanItem *pi;
 430
 431                         pi = work->data;
 432                         work = work->next;
 433
 434                         if (pi->fd &&
 435                             pi->type == PAN_ITEM_BOX &&
 436                             pi->key && strcmp(pi->key, "dot") == 0)
 437                                 {
 438                                 size += pi->fd->size;
 439                                 count++;
 440                                 }
 441                         }
 442                 }
 443         else
 444                 {
 445                 while (work)
 446                         {
 447                         PanItem *pi;
 448
 449                         pi = work->data;
 450                         work = work->next;
 451
 452                         if (pi->fd &&
 453                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 454                                 {
 455                                 size += pi->fd->size;
 456                                 count++;
 457                                 }
 458                         }
 459                 }
 460
 461         ss = text_from_size_abrev(size);
 462         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 463         g_free(ss);
 464         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 465         g_free(buf);
 466 }
 467
 468 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 469 {
 470         gchar *message;
 471
 472         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 473         warning_dialog(_("Folder not supported"), message,
 474                       GTK_STOCK_DIALOG_INFO, parent);
 475         g_free(message);
 476 }
 477
 478 static void pan_window_zoom_limit(PanWindow *pw)
 479 {
 480         gdouble min;
 481
 482         switch (pw->size)
 483                 {
 484                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 485                 case PAN_IMAGE_SIZE_THUMB_NONE:
 486                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 487                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 488 #if 0
 489                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 490                         min = -16.0;
 491                         break;
 492 #endif
 493                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 494                         min = -6.0;
 495                         break;
 496                 case PAN_IMAGE_SIZE_10:
 497                 case PAN_IMAGE_SIZE_25:
 498                         min = -4.0;
 499                         break;
 500                 case PAN_IMAGE_SIZE_33:
 501                 case PAN_IMAGE_SIZE_50:
 502                 case PAN_IMAGE_SIZE_100:
 503                 default:
 504                         min = -2.0;
 505                         break;
 506                 }
 507
 508         image_zoom_set_limits(pw->imd, min, 32.0);
 509 }
 510
 511
 512 /*
 513  *-----------------------------------------------------------------------------
 514  * cache
 515  *-----------------------------------------------------------------------------
 516  */
 517
 518 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 519 {
 520         PanCacheData *pca = a;
 521         PanCacheData *pcb = b;
 522         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 523 }
 524 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend)
 525 {
 526         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 527 }
 528
 529
 530 static void pan_cache_free(PanWindow *pw)
 531 {
 532         GList *work;
 533
 534         work = pw->cache_list;
 535         while (work)
 536                 {
 537                 PanCacheData *pc;
 538
 539                 pc = work->data;
 540                 work = work->next;
 541
 542                 cache_sim_data_free(pc->cd);
 543                 file_data_unref(pc->fd);
 544                 g_free(pc);
 545                 }
 546
 547         g_list_free(pw->cache_list);
 548         pw->cache_list = NULL;
 549
 550         filelist_free(pw->cache_todo);
 551         pw->cache_todo = NULL;
 552
 553         pw->cache_count = 0;
 554         pw->cache_total = 0;
 555         pw->cache_tick = 0;
 556
 557         cache_loader_free(pw->cache_cl);
 558         pw->cache_cl = NULL;
 559 }
 560
 561 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 562 {
 563         GList *list;
 564
 565         pan_cache_free(pw);
 566
 567         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 568         pw->cache_todo = g_list_reverse(list);
 569
 570         pw->cache_total = g_list_length(pw->cache_todo);
 571 }
 572
 573 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 574 {
 575         PanWindow *pw = data;
 576
 577         if (pw->cache_list)
 578                 {
 579                 PanCacheData *pc;
 580                 pc = pw->cache_list->data;
 581
 582                 if (!pc->cd)
 583                         {
 584                         pc->cd = cl->cd;
 585                         cl->cd = NULL;
 586                         }
 587                 }
 588
 589         cache_loader_free(cl);
 590         pw->cache_cl = NULL;
 591
 592         pan_layout_update_idle(pw);
 593 }
 594
 595 static gboolean pan_cache_step(PanWindow *pw)
 596 {
 597         FileData *fd;
 598         PanCacheData *pc;
 599         CacheDataType load_mask;
 600
 601         if (!pw->cache_todo) return TRUE;
 602
 603         fd = pw->cache_todo->data;
 604         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 605
 606         pc = g_new0(PanCacheData, 1);
 607         pc->fd = file_data_ref(fd);
 608
 609         pc->cd = NULL;
 610
 611         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 612
 613         cache_loader_free(pw->cache_cl);
 614
 615         load_mask = CACHE_LOADER_NONE;
 616         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 617         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 618         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 619                                         pan_cache_step_done_cb, pw);
 620         return (pw->cache_cl == NULL);
 621 }
 622
 623 /* This sync date function is optimized for lists with a common sort */
 624 void pan_cache_sync_date(PanWindow *pw, GList *list)
 625 {
 626         GList *haystack;
 627         GList *work;
 628
 629         haystack = g_list_copy(pw->cache_list);
 630
 631         work = list;
 632         while (work)
 633                 {
 634                 FileData *fd;
 635                 GList *needle;
 636
 637                 fd = work->data;
 638                 work = work->next;
 639
 640                 needle = haystack;
 641                 while (needle)
 642                         {
 643                         PanCacheData *pc;
 644
 645                         pc = needle->data;
 646                         if (pc->fd == fd)
 647                                 {
 648                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 649                                         {
 650                                         fd->date = pc->cd->date;
 651                                         }
 652
 653                                 haystack = g_list_delete_link(haystack, needle);
 654                                 needle = NULL;
 655                                 }
 656                         else
 657                                 {
 658                                 needle = needle->next;
 659                                 }
 660                         }
 661                 }
 662
 663         g_list_free(haystack);
 664 }
 665
 666 /*
 667  *-----------------------------------------------------------------------------
 668  * item grid
 669  *-----------------------------------------------------------------------------
 670  */
 671
 672 static void pan_grid_clear(PanWindow *pw)
 673 {
 674         GList *work;
 675
 676         work = pw->list_grid;
 677         while (work)
 678                 {
 679                 PanGrid *pg;
 680
 681                 pg = work->data;
 682                 work = work->next;
 683
 684                 g_list_free(pg->list);
 685                 g_free(pg);
 686                 }
 687
 688         g_list_free(pw->list_grid);
 689         pw->list_grid = NULL;
 690
 691         pw->list = g_list_concat(pw->list, pw->list_static);
 692         pw->list_static = NULL;
 693 }
 694
 695 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 696 {
 697         GList *work;
 698         gint col, row;
 699         gint cw, ch;
 700         gint l;
 701         gint i, j;
 702
 703         pan_grid_clear(pw);
 704
 705         l = g_list_length(pw->list);
 706
 707         if (l < 1) return;
 708
 709         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 710         col = CLAMP(col, 1, l / grid_size + 1);
 711         row = (gint)((gdouble)l / grid_size / col);
 712         if (row < 1) row = 1;
 713
 714         /* limit minimum size of grid so that a tile will always fit regardless of position */
 715         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 716         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 717
 718         row = row * 2 - 1;
 719         col = col * 2 - 1;
 720
 721         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 722
 723         for (j = 0; j < row; j++)
 724             for (i = 0; i < col; i++)
 725                 {
 726                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 727                         {
 728                         PanGrid *pg;
 729
 730                         pg = g_new0(PanGrid, 1);
 731                         pg->x = i * cw / 2;
 732                         pg->y = j * ch / 2;
 733                         pg->w = cw;
 734                         pg->h = ch;
 735
 736                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 737
 738                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 739                         }
 740                 }
 741
 742         work = pw->list;
 743         while (work)
 744                 {
 745                 PanItem *pi;
 746                 GList *grid;
 747
 748                 pi = work->data;
 749                 work = work->next;
 750
 751                 grid = pw->list_grid;
 752                 while (grid)
 753                         {
 754                         PanGrid *pg;
 755                         gint rx, ry, rw, rh;
 756
 757                         pg = grid->data;
 758                         grid = grid->next;
 759
 760                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 761                                              pg->x, pg->y, pg->w, pg->h,
 762                                              &rx, &ry, &rw, &rh))
 763                                 {
 764                                 pg->list = g_list_prepend(pg->list, pi);
 765                                 }
 766                         }
 767                 }
 768
 769         work = pw->list_grid;
 770         while (work)
 771                 {
 772                 PanGrid *pg;
 773
 774                 pg = work->data;
 775                 work = work->next;
 776
 777                 pg->list = g_list_reverse(pg->list);
 778                 }
 779
 780         pw->list_static = pw->list;
 781         pw->list = NULL;
 782 }
 783
 784
 785 /*
 786  *-----------------------------------------------------------------------------
 787  * layout state reset
 788  *-----------------------------------------------------------------------------
 789  */
 790
 791 static void pan_window_items_free(PanWindow *pw)
 792 {
 793         GList *work;
 794
 795         pan_grid_clear(pw);
 796
 797         work = pw->list;
 798         while (work)
 799                 {
 800                 PanItem *pi = work->data;
 801                 work = work->next;
 802
 803                 pan_item_free(pi);
 804                 }
 805
 806         g_list_free(pw->list);
 807         pw->list = NULL;
 808
 809         g_list_free(pw->queue);
 810         pw->queue = NULL;
 811         pw->queue_pi = NULL;
 812
 813         image_loader_free(pw->il);
 814         pw->il = NULL;
 815
 816         thumb_loader_free(pw->tl);
 817         pw->tl = NULL;
 818
 819         pw->click_pi = NULL;
 820         pw->search_pi = NULL;
 821 }
 822
 823
 824 /*
 825  *-----------------------------------------------------------------------------
 826  * layout generation, queries, sizing
 827  *-----------------------------------------------------------------------------
 828  */
 829
 830 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 831                                gint *width, gint *height,
 832                                gint *scroll_x, gint *scroll_y)
 833 {
 834         pan_window_items_free(pw);
 835
 836         switch (pw->size)
 837                 {
 838                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 839                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 840                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 841                         break;
 842                 case PAN_IMAGE_SIZE_THUMB_NONE:
 843                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 844                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 845                         break;
 846                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 847                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 848                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 849                         break;
 850                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 851                 default:
 852                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 853                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 854                         break;
 855                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 856                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 857                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 858                         break;
 859                 case PAN_IMAGE_SIZE_10:
 860                         pw->image_size = 10;
 861                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 862                         break;
 863                 case PAN_IMAGE_SIZE_25:
 864                         pw->image_size = 25;
 865                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 866                         break;
 867                 case PAN_IMAGE_SIZE_33:
 868                         pw->image_size = 33;
 869                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 870                         break;
 871                 case PAN_IMAGE_SIZE_50:
 872                         pw->image_size = 50;
 873                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 874                         break;
 875                 case PAN_IMAGE_SIZE_100:
 876                         pw->image_size = 100;
 877                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 878                         break;
 879                 }
 880
 881         *width = 0;
 882         *height = 0;
 883         *scroll_x = 0;
 884         *scroll_y = 0;
 885
 886         switch (pw->layout)
 887                 {
 888                 case PAN_LAYOUT_GRID:
 889                 default:
 890                         pan_grid_compute(pw, dir_fd, width, height);
 891                         break;
 892                 case PAN_LAYOUT_FOLDERS_LINEAR:
 893                         pan_folder_tree_compute(pw, dir_fd, width, height);
 894                         break;
 895                 case PAN_LAYOUT_FOLDERS_FLOWER:
 896                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 897                         break;
 898                 case PAN_LAYOUT_CALENDAR:
 899                         pan_calendar_compute(pw, dir_fd, width, height);
 900                         break;
 901                 case PAN_LAYOUT_TIMELINE:
 902                         pan_timeline_compute(pw, dir_fd, width, height);
 903                         break;
 904                 }
 905
 906         pan_cache_free(pw);
 907
 908         DEBUG_1("computed %d objects", g_list_length(pw->list));
 909 }
 910
 911 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 912                                      gint x, gint y, gint width, gint height)
 913 {
 914         GList *work;
 915
 916         work = item_list;
 917         while (work)
 918                 {
 919                 PanItem *pi;
 920                 gint rx, ry, rw, rh;
 921
 922                 pi = work->data;
 923                 work = work->next;
 924
 925                 if (util_clip_region(x, y, width, height,
 926                                      pi->x, pi->y, pi->width, pi->height,
 927                                      &rx, &ry, &rw, &rh))
 928                         {
 929                         list = g_list_prepend(list, pi);
 930                         }
 931                 }
 932
 933         return list;
 934 }
 935
 936 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 937 {
 938         GList *list = NULL;
 939         GList *grid;
 940         PanGrid *pg = NULL;
 941
 942         grid = pw->list_grid;
 943         while (grid && !pg)
 944                 {
 945                 pg = grid->data;
 946                 grid = grid->next;
 947
 948                 if (x < pg->x || x + width > pg->x + pg->w ||
 949                     y < pg->y || y + height > pg->y + pg->h)
 950                         {
 951                         pg = NULL;
 952                         }
 953                 }
 954
 955         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
 956
 957         if (pg)
 958                 {
 959                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
 960                 }
 961         else
 962                 {
 963                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
 964                 }
 965
 966         return list;
 967 }
 968
 969 void pan_layout_resize(PanWindow *pw)
 970 {
 971         gint width = 0;
 972         gint height = 0;
 973         GList *work;
 974         PixbufRenderer *pr;
 975
 976         work = pw->list;
 977         while (work)
 978                 {
 979                 PanItem *pi;
 980
 981                 pi = work->data;
 982                 work = work->next;
 983
 984                 if (width < pi->x + pi->width) width = pi->x + pi->width;
 985                 if (height < pi->y + pi->height) height = pi->y + pi->height;
 986                 }
 987         work = pw->list_static;
 988         while (work)
 989                 {
 990                 PanItem *pi;
 991
 992                 pi = work->data;
 993                 work = work->next;
 994
 995                 if (width < pi->x + pi->width) width = pi->x + pi->width;
 996                 if (height < pi->y + pi->height) height = pi->y + pi->height;
 997                 }
 998
 999         width += PAN_BOX_BORDER * 2;
1000         height += PAN_BOX_BORDER * 2;
1001
1002         pr = PIXBUF_RENDERER(pw->imd->pr);
1003         if (width < pr->window_width) width = pr->window_width;
1004         if (height < pr->window_width) height = pr->window_height;
1005
1006         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1007 }
1008
1009 static gint pan_layout_update_idle_cb(gpointer data)
1010 {
1011         PanWindow *pw = data;
1012         gint width;
1013         gint height;
1014         gint scroll_x;
1015         gint scroll_y;
1016
1017         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1018             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1019                 {
1020                 if (!pw->cache_list && !pw->cache_todo)
1021                         {
1022                         pan_cache_fill(pw, pw->dir_fd);
1023                         if (pw->cache_todo)
1024                                 {
1025                                 pan_window_message(pw, _("Reading image data..."));
1026                                 return TRUE;
1027                                 }
1028                         }
1029                 if (pw->cache_todo)
1030                         {
1031                         pw->cache_count++;
1032                         pw->cache_tick++;
1033                         if (pw->cache_count == pw->cache_total)
1034                                 {
1035                                 pan_window_message(pw, _("Sorting..."));
1036                                 }
1037                         else if (pw->cache_tick > 9)
1038                                 {
1039                                 gchar *buf;
1040
1041                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1042                                                       pw->cache_count, pw->cache_total);
1043                                 pan_window_message(pw, buf);
1044                                 g_free(buf);
1045
1046                                 pw->cache_tick = 0;
1047                                 }
1048
1049                         if (pan_cache_step(pw)) return TRUE;
1050
1051                         pw->idle_id = 0;
1052                         return FALSE;
1053                         }
1054                 }
1055
1056         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1057
1058         pan_window_zoom_limit(pw);
1059
1060         if (width > 0 && height > 0)
1061                 {
1062                 gdouble align;
1063
1064                 DEBUG_1("Canvas size is %d x %d", width, height);
1065
1066                 pan_grid_build(pw, width, height, 1000);
1067
1068                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1069                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1070                                           pan_window_request_tile_cb,
1071                                           pan_window_dispose_tile_cb, pw, 1.0);
1072
1073                 if (scroll_x == 0 && scroll_y == 0)
1074                         {
1075                         align = 0.0;
1076                         }
1077                 else
1078                         {
1079                         align = 0.5;
1080                         }
1081                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1082                 }
1083
1084         pan_window_message(pw, NULL);
1085
1086         pw->idle_id = 0;
1087         return FALSE;
1088 }
1089
1090 static void pan_layout_update_idle(PanWindow *pw)
1091 {
1092         if (!pw->idle_id)
1093                 {
1094                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1095                 }
1096 }
1097
1098 void pan_layout_update(PanWindow *pw)
1099 {
1100         pan_window_message(pw, _("Sorting images..."));
1101         pan_layout_update_idle(pw);
1102 }
1103
1104 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1105 {
1106         if (!dir_fd) return;
1107
1108         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1109                 {
1110                 pan_warning_folder(dir_fd->path, pw->window);
1111                 return;
1112                 }
1113
1114         file_data_unref(pw->dir_fd);
1115         pw->dir_fd = file_data_ref(dir_fd);
1116
1117         pan_layout_update(pw);
1118 }
1119
1120
1121 /*
1122  *-----------------------------------------------------------------------------
1123  * keyboard handlers
1124  *-----------------------------------------------------------------------------
1125  */
1126
1127 FileData *pan_menu_click_fd(PanWindow *pw)
1128 {
1129         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1130         return NULL;
1131 }
1132
1133 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1134 {
1135         PanWindow *pw = data;
1136
1137         gdk_window_get_origin(gtk_widget_get_window(pw->imd->pr), x, y);
1138         popup_menu_position_clamp(menu, x, y, 0);
1139 }
1140
1141 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1142 {
1143         PanWindow *pw = data;
1144         PixbufRenderer *pr;
1145         FileData *fd;
1146         gboolean stop_signal = FALSE;
1147         GtkWidget *menu;
1148         GtkWidget *imd_widget;
1149         gint x = 0;
1150         gint y = 0;
1151         gint focused;
1152         gint on_entry;
1153
1154         pr = PIXBUF_RENDERER(pw->imd->pr);
1155         fd = pan_menu_click_fd(pw);
1156
1157         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1158         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1159         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1160                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1161                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1162
1163         if (focused)
1164                 {
1165                 stop_signal = TRUE;
1166                 switch (event->keyval)
1167                         {
1168                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1169                                 x -= 1;
1170                                 break;
1171                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1172                                 x += 1;
1173                                 break;
1174                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1175                                 y -= 1;
1176                                 break;
1177                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1178                                 y += 1;
1179                                 break;
1180                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1181                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1182                                 break;
1183                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1184                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1185                                 break;
1186                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1187                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1188                                 break;
1189                         case GDK_KEY_End: case GDK_KEY_KP_End:
1190                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1191                                 break;
1192                         default:
1193                                 stop_signal = FALSE;
1194                                 break;
1195                         }
1196
1197                 if (x != 0 || y!= 0)
1198                         {
1199                         if (event->state & GDK_SHIFT_MASK)
1200                                 {
1201                                 x *= 3;
1202                                 y *= 3;
1203                                 }
1204                         keyboard_scroll_calc(&x, &y, event);
1205                         pixbuf_renderer_scroll(pr, x, y);
1206                         }
1207                 }
1208
1209         if (stop_signal) return stop_signal;
1210
1211         if (event->state & GDK_CONTROL_MASK)
1212                 {
1213                 stop_signal = TRUE;
1214                 switch (event->keyval)
1215                         {
1216                         case '1':
1217                         case '2':
1218                         case '3':
1219                         case '4':
1220                         case '5':
1221                         case '6':
1222                         case '7':
1223                         case '8':
1224                         case '9':
1225                         case '0':
1226                                 break;
1227                         case 'C': case 'c':
1228                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1229                                 break;
1230                         case 'M': case 'm':
1231                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1232                                 break;
1233                         case 'R': case 'r':
1234                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1235                                 break;
1236                         case 'D': case 'd':
1237                                 if (fd)
1238                                         {
1239                                         options->file_ops.safe_delete_enable = TRUE;
1240                                         file_util_delete(fd, NULL, GTK_WIDGET(pr));
1241                                         }
1242                                 break;
1243                         case 'F': case 'f':
1244                                 pan_search_toggle_visible(pw, TRUE);
1245                                 break;
1246                         case 'G': case 'g':
1247                                 pan_search_activate(pw);
1248                                 break;
1249                         case 'W': case 'w':
1250                                 pan_window_close(pw);
1251                                 break;
1252                         default:
1253                                 stop_signal = FALSE;
1254                                 break;
1255                         }
1256                 }
1257         else
1258                 {
1259                 stop_signal = TRUE;
1260                 switch (event->keyval)
1261                         {
1262                         case GDK_KEY_Escape:
1263                                 if (pw->fs)
1264                                         {
1265                                         pan_fullscreen_toggle(pw, TRUE);
1266                                         }
1267                                 else
1268                                         {
1269                                         pan_search_toggle_visible(pw, FALSE);
1270                                         }
1271                                 break;
1272                         default:
1273                                 stop_signal = FALSE;
1274                                 break;
1275                         }
1276
1277                 if (stop_signal) return stop_signal;
1278
1279                 // Don't steal characters from entry boxes.
1280                 if (!on_entry)
1281                         {
1282                         stop_signal = TRUE;
1283                         switch (event->keyval)
1284                                 {
1285                                 case '+': case '=': case GDK_KEY_KP_Add:
1286                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1287                                         break;
1288                                 case '-': case GDK_KEY_KP_Subtract:
1289                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1290                                         break;
1291                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1292                                         pixbuf_renderer_zoom_set(pr, 1.0);
1293                                         break;
1294                                 case '2':
1295                                         pixbuf_renderer_zoom_set(pr, 2.0);
1296                                         break;
1297                                 case '3':
1298                                         pixbuf_renderer_zoom_set(pr, 3.0);
1299                                         break;
1300                                 case '4':
1301                                         pixbuf_renderer_zoom_set(pr, 4.0);
1302                                         break;
1303                                 case '7':
1304                                         pixbuf_renderer_zoom_set(pr, -4.0);
1305                                         break;
1306                                 case '8':
1307                                         pixbuf_renderer_zoom_set(pr, -3.0);
1308                                         break;
1309                                 case '9':
1310                                         pixbuf_renderer_zoom_set(pr, -2.0);
1311                                         break;
1312                                 case 'F': case 'f':
1313                                 case 'V': case 'v':
1314                                 case GDK_KEY_F11:
1315                                         pan_fullscreen_toggle(pw, FALSE);
1316                                         break;
1317                                 case 'I': case 'i':
1318                                         break;
1319                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1320                                         break;
1321                                 case GDK_KEY_Menu:
1322                                 case GDK_KEY_F10:
1323                                         menu = pan_popup_menu(pw);
1324                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1325                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1326                                         break;
1327                                 case '/':
1328                                         pan_search_toggle_visible(pw, TRUE);
1329                                         break;
1330                                         stop_signal = FALSE;
1331                                         break;
1332                                 }
1333                         }
1334                 }
1335         if (!stop_signal && is_help_key(event))
1336                 {
1337                 help_window_show("GuideOtherWindowsPanView.html");
1338                 stop_signal = TRUE;
1339                 }
1340
1341         return stop_signal;
1342 }
1343
1344 /*
1345  *-----------------------------------------------------------------------------
1346  * info popup
1347  *-----------------------------------------------------------------------------
1348  */
1349
1350 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1351 {
1352         GList *exif_list;
1353         gchar *text;
1354         gchar *title;
1355         gchar *key;
1356
1357         if (!fd) return;
1358
1359         exif_list = bar_pane_exif_list();
1360         while (exif_list)
1361                 {
1362                 title = exif_list->data;
1363                 exif_list = exif_list->next;
1364                 key = exif_list->data;
1365                 exif_list = exif_list->next;
1366
1367                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1368                 if (text && text[0] != '\0')
1369                         {
1370                         pan_text_alignment_add(ta, title, text);
1371                         }
1372
1373                 g_free(text);
1374                 }
1375
1376         string_list_free(exif_list);
1377 }
1378
1379
1380 void pan_info_update(PanWindow *pw, PanItem *pi)
1381 {
1382         PanTextAlignment *ta;
1383         PanItem *pbox;
1384         PanItem *p;
1385         gchar *buf;
1386         gint x1, y1, x2, y2, x3, y3;
1387         gint x, y, w, h;
1388
1389         if (pw->click_pi == pi) return;
1390         if (pi && !pi->fd) pi = NULL;
1391
1392         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1393         pw->click_pi = pi;
1394
1395         if (!pi) return;
1396
1397         DEBUG_1("info set to %s", pi->fd->path);
1398
1399         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1400                                 PAN_POPUP_BORDER,
1401                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1402                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1403         pan_item_set_key(pbox, "info");
1404
1405         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1406                 {
1407                 w = gdk_pixbuf_get_width(pi->pixbuf);
1408                 h = gdk_pixbuf_get_height(pi->pixbuf);
1409
1410                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1411                 y1 = pi->y + (pi->height - h) / 2 + 8;
1412                 }
1413         else
1414                 {
1415                 x1 = pi->x + pi->width - 8;
1416                 y1 = pi->y + 8;
1417                 }
1418
1419         x2 = pbox->x + 1;
1420         y2 = pbox->y + 36;
1421         x3 = pbox->x + 1;
1422         y3 = pbox->y + 12;
1423         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1424                            &x, &y, &w, &h);
1425
1426         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1427                              x1, y1, x2, y2, x3, y3,
1428                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1429         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1430         pan_item_set_key(p, "info");
1431         pan_item_added(pw, p);
1432
1433         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1434
1435         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1436         buf = remove_level_from_path(pi->fd->path);
1437         pan_text_alignment_add(ta, _("Location:"), buf);
1438         g_free(buf);
1439         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1440         buf = text_from_size(pi->fd->size);
1441         pan_text_alignment_add(ta, _("Size:"), buf);
1442         g_free(buf);
1443
1444         if (pw->info_includes_exif)
1445                 {
1446                 pan_info_add_exif(ta, pi->fd);
1447                 }
1448
1449         pan_text_alignment_calc(ta, pbox);
1450         pan_text_alignment_free(ta);
1451
1452         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1453         pan_item_added(pw, pbox);
1454
1455         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1456                 {
1457                 gint iw, ih;
1458                 if (image_load_dimensions(pi->fd, &iw, &ih))
1459                         {
1460                         gint scale = 25;
1461
1462                         switch (pw->info_image_size)
1463                                 {
1464                                 case PAN_IMAGE_SIZE_10:
1465                                         scale = 10;
1466                                         break;
1467                                 case PAN_IMAGE_SIZE_25:
1468                                         scale = 25;
1469                                         break;
1470                                 case PAN_IMAGE_SIZE_33:
1471                                         scale = 33;
1472                                         break;
1473                                 case PAN_IMAGE_SIZE_50:
1474                                         scale = 50;
1475                                         break;
1476                                 case PAN_IMAGE_SIZE_100:
1477                                         scale = 100;
1478                                         break;
1479                                 }
1480
1481                         iw = MAX(1, iw * scale / 100);
1482                         ih = MAX(1, ih * scale / 100);
1483
1484                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1485                                                 PAN_POPUP_BORDER,
1486                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1487                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1488                         pan_item_set_key(pbox, "info");
1489
1490                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1491                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1492                         pan_item_set_key(p, "info");
1493                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1494
1495                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1496                         pan_item_added(pw, pbox);
1497                         }
1498                 }
1499
1500         pan_layout_resize(pw);
1501 }
1502
1503
1504 /*
1505  *-----------------------------------------------------------------------------
1506  * main window
1507  *-----------------------------------------------------------------------------
1508  */
1509
1510 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1511 {
1512         PanWindow *pw = data;
1513         PanItem *pi = NULL;
1514         GtkWidget *menu;
1515         gint rx, ry;
1516
1517         rx = ry = 0;
1518         if (pr->scale)
1519                 {
1520                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1521                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1522                 }
1523
1524         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1525         if (pi && event->button == MOUSE_BUTTON_LEFT)
1526                 {
1527                 pan_info_update(pw, NULL);
1528                 return;
1529                 }
1530
1531         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1532                                     rx, ry, NULL);
1533
1534         switch (event->button)
1535                 {
1536                 case MOUSE_BUTTON_LEFT:
1537                         pan_info_update(pw, pi);
1538
1539                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1540                                 {
1541                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1542                                 pan_calendar_update(pw, pi);
1543                                 }
1544                         break;
1545                 case MOUSE_BUTTON_MIDDLE:
1546                         break;
1547                 case MOUSE_BUTTON_RIGHT:
1548                         pan_info_update(pw, pi);
1549                         menu = pan_popup_menu(pw);
1550                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1551                         break;
1552                 default:
1553                         break;
1554                 }
1555 }
1556
1557 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
1558 {
1559         gint w, h;
1560
1561         w = pr->vis_width;
1562         h = pr->vis_height;
1563
1564         if (!(event->state & GDK_SHIFT_MASK))
1565                 {
1566                 w /= 3;
1567                 h /= 3;
1568                 }
1569
1570         if (event->state & GDK_CONTROL_MASK)
1571                 {
1572                 switch (event->direction)
1573                         {
1574                         case GDK_SCROLL_UP:
1575                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1576                                                                      (gint)event->x, (gint)event->y);
1577                                 break;
1578                         case GDK_SCROLL_DOWN:
1579                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1580                                                                      (gint)event->x, (gint)event->y);
1581                                 break;
1582                         default:
1583                                 break;
1584                         }
1585                 }
1586         else
1587                 {
1588                 switch (event->direction)
1589                         {
1590                         case GDK_SCROLL_UP:
1591                                 pixbuf_renderer_scroll(pr, 0, -h);
1592                                 break;
1593                         case GDK_SCROLL_DOWN:
1594                                 pixbuf_renderer_scroll(pr, 0, h);
1595                                 break;
1596                         case GDK_SCROLL_LEFT:
1597                                 pixbuf_renderer_scroll(pr, -w, 0);
1598                                 break;
1599                         case GDK_SCROLL_RIGHT:
1600                                 pixbuf_renderer_scroll(pr, w, 0);
1601                                 break;
1602                         default:
1603                                 break;
1604                         }
1605                 }
1606 }
1607
1608 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1609 {
1610         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1611                          G_CALLBACK(button_cb), pw);
1612         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1613                          G_CALLBACK(scroll_cb), pw);
1614 }
1615
1616 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
1617 {
1618         PanWindow *pw = data;
1619
1620         pw->fs = NULL;
1621         pw->imd = pw->imd_normal;
1622 }
1623
1624 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1625 {
1626         if (force_off && !pw->fs) return;
1627
1628         if (pw->fs)
1629                 {
1630                 fullscreen_stop(pw->fs);
1631                 }
1632         else
1633                 {
1634                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1635                 pan_image_set_buttons(pw, pw->fs->imd);
1636                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1637                                  G_CALLBACK(pan_window_key_press_cb), pw);
1638
1639                 pw->imd = pw->fs->imd;
1640                 }
1641 }
1642
1643 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
1644 {
1645         PanWindow *pw = data;
1646         gchar *text;
1647
1648         text = image_zoom_get_as_text(pw->imd);
1649         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1650         g_free(text);
1651 }
1652
1653 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1654 {
1655         PanWindow *pw = data;
1656         GtkAdjustment *adj;
1657         GdkRectangle rect;
1658         gint width, height;
1659
1660         if (pr->scale == 0.0) return;
1661
1662         pixbuf_renderer_get_visible_rect(pr, &rect);
1663         pixbuf_renderer_get_image_size(pr, &width, &height);
1664
1665         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1666         gtk_adjustment_set_page_size(adj, rect.width);
1667         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1668         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1669         gtk_adjustment_set_lower(adj, 0.0);
1670         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1671         gtk_adjustment_set_value(adj, (gdouble)rect.x);
1672
1673         pref_signal_block_data(pw->scrollbar_h, pw);
1674         gtk_adjustment_changed(adj);
1675         gtk_adjustment_value_changed(adj);
1676         pref_signal_unblock_data(pw->scrollbar_h, pw);
1677
1678         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1679         gtk_adjustment_set_page_size(adj, rect.height);
1680         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1681         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1682         gtk_adjustment_set_lower(adj, 0.0);
1683         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1684         gtk_adjustment_set_value(adj, (gdouble)rect.y);
1685
1686         pref_signal_block_data(pw->scrollbar_v, pw);
1687         gtk_adjustment_changed(adj);
1688         gtk_adjustment_value_changed(adj);
1689         pref_signal_unblock_data(pw->scrollbar_v, pw);
1690 }
1691
1692 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1693 {
1694         PanWindow *pw = data;
1695         PixbufRenderer *pr;
1696         gint x;
1697
1698         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1699
1700         if (!pr->scale) return;
1701
1702         x = (gint)gtk_range_get_value(range);
1703
1704         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
1705 }
1706
1707 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1708 {
1709         PanWindow *pw = data;
1710         PixbufRenderer *pr;
1711         gint y;
1712
1713         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1714
1715         if (!pr->scale) return;
1716
1717         y = (gint)gtk_range_get_value(range);
1718
1719         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
1720 }
1721
1722 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1723 {
1724         PanWindow *pw = data;
1725
1726         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1727         pan_layout_update(pw);
1728 }
1729
1730 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1731 {
1732         PanWindow *pw = data;
1733
1734         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1735         pan_layout_update(pw);
1736 }
1737
1738 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1739 {
1740         PanWindow *pw = data;
1741         gchar *path;
1742
1743         path = remove_trailing_slash(new_text);
1744         parse_out_relatives(path);
1745
1746         if (!isdir(path))
1747                 {
1748                 warning_dialog(_("Folder not found"),
1749                                _("The entered path is not a folder"),
1750                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
1751                 }
1752         else
1753                 {
1754                 FileData *dir_fd = file_data_new_dir(path);
1755                 tab_completion_append_to_history(pw->path_entry, path);
1756
1757                 pan_layout_set_fd(pw, dir_fd);
1758                 file_data_unref(dir_fd);
1759                 }
1760
1761         g_free(path);
1762 }
1763
1764 static void pan_window_close(PanWindow *pw)
1765 {
1766         pan_window_list = g_list_remove(pan_window_list, pw);
1767
1768         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1769         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1770         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1771
1772         if (pw->idle_id)
1773                 {
1774                 g_source_remove(pw->idle_id);
1775                 }
1776
1777         pan_fullscreen_toggle(pw, TRUE);
1778         pan_search_ui_destroy(&pw->search_ui);
1779         pan_filter_ui_destroy(&pw->filter_ui);
1780         gtk_widget_destroy(pw->window);
1781
1782         pan_window_items_free(pw);
1783         pan_cache_free(pw);
1784
1785         file_data_unref(pw->dir_fd);
1786
1787         g_free(pw);
1788 }
1789
1790 static gboolean pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
1791 {
1792         PanWindow *pw = data;
1793
1794         pan_window_close(pw);
1795         return TRUE;
1796 }
1797
1798 static void pan_window_new_real(FileData *dir_fd)
1799 {
1800         PanWindow *pw;
1801         GtkWidget *vbox;
1802         GtkWidget *box;
1803         GtkWidget *combo;
1804         GtkWidget *hbox;
1805         GtkWidget *frame;
1806         GtkWidget *table;
1807         GdkGeometry geometry;
1808
1809         pw = g_new0(PanWindow, 1);
1810
1811         pw->dir_fd = file_data_ref(dir_fd);
1812         pw->layout = PAN_LAYOUT_TIMELINE;
1813         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1814         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1815         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1816
1817         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1818                 {
1819                 pw->exif_date_enable = FALSE;
1820                 }
1821         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1822                 {
1823                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1824                 }
1825         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1826                 {
1827                 pw->info_includes_exif = TRUE;
1828                 }
1829
1830         pw->ignore_symlinks = TRUE;
1831
1832         pw->idle_id = 0;
1833
1834         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
1835         DEBUG_NAME(pw->window);
1836
1837         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1838         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1839         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
1840
1841         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1842         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1843
1844         vbox = gtk_vbox_new(FALSE, 0);
1845         DEBUG_NAME(vbox);
1846         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1847         gtk_widget_show(vbox);
1848
1849         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1850
1851         pref_spacer(box, 0);
1852         pref_label_new(box, _("Location:"));
1853         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1854                                                 pan_window_entry_activate_cb, pw);
1855         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1856         gtk_widget_show(combo);
1857
1858         combo = gtk_combo_box_text_new();
1859         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1860         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1861         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1862         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1863         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1864
1865         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1866         g_signal_connect(G_OBJECT(combo), "changed",
1867                          G_CALLBACK(pan_window_layout_change_cb), pw);
1868         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1869         gtk_widget_show(combo);
1870
1871         combo = gtk_combo_box_text_new();
1872         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1873         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1874         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1875         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1876         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1877         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1878         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1879         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1880         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1881         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1882
1883         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1884         g_signal_connect(G_OBJECT(combo), "changed",
1885                          G_CALLBACK(pan_window_layout_size_cb), pw);
1886         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1887         gtk_widget_show(combo);
1888
1889         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1890         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
1891         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
1892
1893         /** @FIXME pan view does not work correctly when renderer-clutter()
1894          * is used.
1895          */
1896         gint temp = options->image.use_clutter_renderer;
1897         options->image.use_clutter_renderer = FALSE;
1898         pw->imd = image_new(TRUE);
1899         options->image.use_clutter_renderer = temp;
1900
1901         pw->imd_normal = pw->imd;
1902
1903         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1904                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1905         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1906                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1907
1908         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
1909                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
1910         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1911
1912         pan_window_dnd_init(pw);
1913
1914         pan_image_set_buttons(pw, pw->imd);
1915
1916         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
1917         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1918                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1919         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
1920                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
1921         gtk_widget_show(pw->scrollbar_h);
1922
1923         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
1924         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1925                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1926         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
1927                          0, GTK_FILL | GTK_EXPAND, 0, 0);
1928         gtk_widget_show(pw->scrollbar_v);
1929
1930         /* find bar */
1931
1932         pw->search_ui = pan_search_ui_new(pw);
1933         gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1934
1935     /* filter bar */
1936     pw->filter_ui = pan_filter_ui_new(pw);
1937     gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1938
1939         /* status bar */
1940
1941         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1942
1943         frame = gtk_frame_new(NULL);
1944         DEBUG_NAME(frame);
1945         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1946         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1947         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1948         gtk_widget_show(frame);
1949
1950         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
1951         gtk_container_add(GTK_CONTAINER(frame), hbox);
1952         gtk_widget_show(hbox);
1953
1954         pref_spacer(hbox, 0);
1955         pw->label_message = pref_label_new(hbox, "");
1956
1957         frame = gtk_frame_new(NULL);
1958         DEBUG_NAME(frame);
1959         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1960         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1961         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1962         gtk_widget_show(frame);
1963
1964         pw->label_zoom = gtk_label_new("");
1965         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1966         gtk_widget_show(pw->label_zoom);
1967
1968         // Add the "Find" button to the status bar area.
1969         gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1970         gtk_widget_show(pw->search_ui->search_button);
1971
1972         // Add the "Filter" button to the status bar area.
1973         gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1974         gtk_widget_show(pw->filter_ui->filter_button);
1975
1976         g_signal_connect(G_OBJECT(pw->window), "delete_event",
1977                          G_CALLBACK(pan_window_delete_cb), pw);
1978         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
1979                          G_CALLBACK(pan_window_key_press_cb), pw);
1980
1981         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
1982
1983         pan_layout_update(pw);
1984
1985         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1986         gtk_widget_show(pw->window);
1987
1988         pan_window_list = g_list_append(pan_window_list, pw);
1989 }
1990
1991 /*
1992  *-----------------------------------------------------------------------------
1993  * performance warnings
1994  *-----------------------------------------------------------------------------
1995  */
1996
1997 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
1998 {
1999         FileData *dir_fd = data;
2000
2001         generic_dialog_close(gd);
2002
2003         pan_window_new_real(dir_fd);
2004         file_data_unref(dir_fd);
2005 }
2006
2007 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
2008 {
2009         gboolean hide_dlg;
2010
2011         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2012         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2013 }
2014
2015 static gboolean pan_warning(FileData *dir_fd)
2016 {
2017         GenericDialog *gd;
2018         GtkWidget *box;
2019         GtkWidget *group;
2020         GtkWidget *button;
2021         GtkWidget *ct_button;
2022         gboolean hide_dlg;
2023
2024         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2025                 {
2026                 pan_warning_folder(dir_fd->path, NULL);
2027                 return TRUE;
2028                 }
2029
2030         if (options->thumbnails.enable_caching &&
2031             options->thumbnails.spec_standard) return FALSE;
2032
2033         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2034         if (hide_dlg) return FALSE;
2035
2036         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", NULL, FALSE,
2037                                 NULL, NULL);
2038         gd->data = file_data_ref(dir_fd);
2039         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2040                                   pan_warning_ok_cb, TRUE);
2041
2042         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2043                                          _("Pan view performance may be poor."),
2044                                          _("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);
2045
2046         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2047         pref_spacer(group, PREF_PAD_INDENT);
2048         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2049
2050         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2051                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2052         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2053                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2054         pref_checkbox_link_sensitivity(ct_button, button);
2055
2056         pref_line(box, 0);
2057
2058         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2059                           G_CALLBACK(pan_warning_hide_cb), NULL);
2060
2061         gtk_widget_show(gd->dialog);
2062
2063         return TRUE;
2064 }
2065
2066
2067 /*
2068  *-----------------------------------------------------------------------------
2069  * entry point
2070  *-----------------------------------------------------------------------------
2071  */
2072
2073 void pan_window_new(FileData *dir_fd)
2074 {
2075         if (pan_warning(dir_fd)) return;
2076
2077         pan_window_new_real(dir_fd);
2078 }
2079
2080
2081 /*
2082  *-----------------------------------------------------------------------------
2083  * menus
2084  *-----------------------------------------------------------------------------
2085  */
2086
2087 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2088
2089
2090 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2091 {
2092         PanWindow *pw = data;
2093         FileData *fd;
2094
2095         fd = pan_menu_click_fd(pw);
2096         if (fd)
2097                 {
2098                 pan_fullscreen_toggle(pw, TRUE);
2099                 view_window_new(fd);
2100                 }
2101 }
2102
2103 static void pan_go_to_original_cb(GtkWidget *widget, gpointer data)
2104 {
2105         LayoutWindow *lw = NULL;
2106         PanWindow *pw = data;
2107         FileData *fd;
2108
2109         if (!layout_valid(&lw)) return;
2110
2111         fd = pan_menu_click_fd(pw);
2112         if (fd)
2113                 {
2114                 layout_set_fd(lw, fd);
2115                 }
2116 }
2117
2118 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2119 {
2120         PanWindow *pw;
2121         FileData *fd;
2122         const gchar *key = data;
2123
2124         pw = submenu_item_get_data(widget);
2125         if (!pw) return;
2126
2127         fd = pan_menu_click_fd(pw);
2128         if (fd)
2129                 {
2130                 if (!editor_window_flag_set(key))
2131                         {
2132                         pan_fullscreen_toggle(pw, TRUE);
2133                         }
2134                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2135                 }
2136 }
2137
2138 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2139 {
2140         PanWindow *pw = data;
2141
2142         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2143 }
2144
2145 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2146 {
2147         PanWindow *pw = data;
2148
2149         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2150 }
2151
2152 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2153 {
2154         PanWindow *pw = data;
2155
2156         image_zoom_set(pw->imd, 1.0);
2157 }
2158
2159 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2160 {
2161         PanWindow *pw = data;
2162         FileData *fd;
2163
2164         fd = pan_menu_click_fd(pw);
2165         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2166 }
2167
2168 static void pan_move_cb(GtkWidget *widget, gpointer data)
2169 {
2170         PanWindow *pw = data;
2171         FileData *fd;
2172
2173         fd = pan_menu_click_fd(pw);
2174         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2175 }
2176
2177 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2178 {
2179         PanWindow *pw = data;
2180         FileData *fd;
2181
2182         fd = pan_menu_click_fd(pw);
2183         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2184 }
2185
2186 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2187 {
2188         PanWindow *pw = data;
2189         FileData *fd;
2190
2191         fd = pan_menu_click_fd(pw);
2192         if (fd)
2193                 {
2194                 options->file_ops.safe_delete_enable = FALSE;
2195                 file_util_delete(fd, NULL, pw->imd->widget);
2196                 }
2197 }
2198
2199 static void pan_move_to_trash_cb(GtkWidget *widget, gpointer data)
2200 {
2201         PanWindow *pw = data;
2202         FileData *fd;
2203
2204         fd = pan_menu_click_fd(pw);
2205         if (fd)
2206                 {
2207                 options->file_ops.safe_delete_enable = TRUE;
2208                 file_util_delete(fd, NULL, pw->imd->widget);
2209                 }
2210 }
2211
2212 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2213 {
2214         PanWindow *pw = data;
2215         FileData *fd;
2216
2217         fd = pan_menu_click_fd(pw);
2218         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2219 }
2220
2221 static void pan_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
2222 {
2223         PanWindow *pw = data;
2224         FileData *fd;
2225
2226         fd = pan_menu_click_fd(pw);
2227         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2228 }
2229
2230 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2231 {
2232         PanWindow *pw = data;
2233
2234         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2235         pan_layout_update(pw);
2236 }
2237
2238 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2239 {
2240         PanWindow *pw = data;
2241
2242         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2243         /** @FIXME sync info now */
2244 }
2245
2246 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2247 {
2248         PanWindow *pw = data;
2249
2250         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2251         /** @FIXME sync info now */
2252 }
2253
2254 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2255 {
2256         PanWindow *pw = data;
2257
2258         pan_fullscreen_toggle(pw, FALSE);
2259 }
2260
2261 static void pan_close_cb(GtkWidget *widget, gpointer data)
2262 {
2263         PanWindow *pw = data;
2264
2265         pan_window_close(pw);
2266 }
2267
2268 static void pan_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
2269 {
2270         GList *editmenu_fd_list = data;
2271
2272         filelist_free(editmenu_fd_list);
2273 }
2274
2275 static void pan_play_cb(GtkWidget *widget, gpointer data)
2276 {
2277         PanWindow *pw = data;
2278
2279         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2280 }
2281
2282 static GList *pan_view_get_fd_list(PanWindow *pw)
2283 {
2284         GList *list = NULL;
2285         FileData *fd = pan_menu_click_fd(pw);
2286
2287         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2288
2289         return list;
2290 }
2291
2292 /**
2293  * @brief Add file selection list to a collection
2294  * @param[in] widget
2295  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2296  *
2297  *
2298  */
2299 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2300 {
2301         PanWindow *pw;
2302         GList *selection_list = NULL;
2303
2304         pw = submenu_item_get_data(widget);
2305         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2306         pop_menu_collections(selection_list, data);
2307
2308         filelist_free(selection_list);
2309 }
2310
2311 static GtkWidget *pan_popup_menu(PanWindow *pw)
2312 {
2313         GtkWidget *menu;
2314         GtkWidget *submenu;
2315         GtkWidget *item;
2316         gboolean active, video;
2317         GList *editmenu_fd_list;
2318
2319         active = (pw->click_pi != NULL);
2320         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2321
2322         menu = popup_menu_short_lived();
2323
2324         menu_item_add_stock_sensitive(menu, _("_Play"), GTK_STOCK_MEDIA_PLAY, video,
2325                             G_CALLBACK(pan_play_cb), pw);
2326         menu_item_add_divider(menu);
2327
2328         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2329                             G_CALLBACK(pan_zoom_in_cb), pw);
2330         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2331                             G_CALLBACK(pan_zoom_out_cb), pw);
2332         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2333                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2334         menu_item_add_divider(menu);
2335
2336         editmenu_fd_list = pan_view_get_fd_list(pw);
2337         g_signal_connect(G_OBJECT(menu), "destroy",
2338                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2339
2340         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2341         gtk_widget_set_sensitive(item, active);
2342
2343         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2344                                       G_CALLBACK(pan_new_window_cb), pw);
2345         menu_item_add_stock(menu, _("Go to original"), GTK_STOCK_FIND,
2346                         G_CALLBACK(pan_go_to_original_cb), pw);
2347
2348         menu_item_add_divider(menu);
2349         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2350                                       G_CALLBACK(pan_copy_cb), pw);
2351         menu_item_add_sensitive(menu, _("_Move..."), active,
2352                                 G_CALLBACK(pan_move_cb), pw);
2353         menu_item_add_sensitive(menu, _("_Rename..."), active,
2354                                 G_CALLBACK(pan_rename_cb), pw);
2355         menu_item_add_sensitive(menu, _("_Copy path"), active,
2356                                 G_CALLBACK(pan_copy_path_cb), pw);
2357         menu_item_add_sensitive(menu, _("_Copy path unquoted"), active,
2358                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2359
2360         menu_item_add_divider(menu);
2361         menu_item_add_stock_sensitive(menu,
2362                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2363                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH, active,
2364                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2365         menu_item_add_stock_sensitive(menu,
2366                                 options->file_ops.confirm_delete ? _("_Delete...") :
2367                                         _("_Delete"), GTK_STOCK_DELETE, active,
2368                                                 G_CALLBACK(pan_delete_cb), pw);
2369
2370         menu_item_add_divider(menu);
2371
2372         submenu = submenu_add_collections(menu, &item,
2373                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2374         gtk_widget_set_sensitive(item, TRUE);
2375         menu_item_add_divider(menu);
2376
2377
2378         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2379                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2380         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2381
2382         menu_item_add_divider(menu);
2383
2384         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2385                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2386         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2387         submenu = gtk_menu_new();
2388         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2389
2390         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2391                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2392         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2393
2394         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2395                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2396         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2397
2398         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2399                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2400         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2401
2402         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2403                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2404         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2405
2406         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2407                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2408         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2409
2410         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2411                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2412         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2413
2414
2415
2416         menu_item_add_divider(menu);
2417
2418         if (pw->fs)
2419                 {
2420                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2421                 }
2422         else
2423                 {
2424                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2425                 }
2426
2427         menu_item_add_divider(menu);
2428         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2429
2430         return menu;
2431 }
2432
2433
2434 /*
2435  *-----------------------------------------------------------------------------
2436  * drag and drop
2437  *-----------------------------------------------------------------------------
2438  */
2439
2440 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2441                                     gint x, gint y,
2442                                     GtkSelectionData *selection_data, guint info,
2443                                     guint time, gpointer data)
2444 {
2445         PanWindow *pw = data;
2446
2447         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2448
2449         if (info == TARGET_URI_LIST)
2450                 {
2451                 GList *list;
2452
2453                 list = uri_filelist_from_gtk_selection_data(selection_data);
2454                 if (list && isdir(((FileData *)list->data)->path))
2455                         {
2456                         FileData *fd = list->data;
2457
2458                         pan_layout_set_fd(pw, fd);
2459                         }
2460
2461                 filelist_free(list);
2462                 }
2463 }
2464
2465 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2466                                     GtkSelectionData *selection_data, guint info,
2467                                     guint time, gpointer data)
2468 {
2469         PanWindow *pw = data;
2470         FileData *fd;
2471
2472         fd = pan_menu_click_fd(pw);
2473         if (fd)
2474                 {
2475                 GList *list;
2476
2477                 list = g_list_append(NULL, fd);
2478                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2479                 g_list_free(list);
2480                 }
2481         else
2482                 {
2483                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2484                                        8, NULL, 0);
2485                 }
2486 }
2487
2488 static void pan_window_dnd_init(PanWindow *pw)
2489 {
2490         GtkWidget *widget;
2491
2492         widget = pw->imd->pr;
2493
2494         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2495                             dnd_file_drag_types, dnd_file_drag_types_count,
2496                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2497         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2498                          G_CALLBACK(pan_window_set_dnd_data), pw);
2499
2500         gtk_drag_dest_set(widget,
2501                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2502                           dnd_file_drop_types, dnd_file_drop_types_count,
2503                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2504         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2505                          G_CALLBACK(pan_window_get_dnd_data), pw);
2506 }
2507
2508 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */