src/pan-view/pan-view.c

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