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