src/pan-view.c

   1 /*
   2  * GQview
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #include "gqview.h"
  14 #include "pan-view.h"
  15
  16 #include "pan-types.h"
  17 #include "bar_exif.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "exif.h"
  21 #include "fullscreen.h"
  22 #include "img-view.h"
  23 #include "info.h"
  24 #include "menu.h"
  25 #include "thumb.h"
  26 #include "utilops.h"
  27 #include "ui_bookmark.h"
  28 #include "ui_fileops.h"
  29 #include "ui_menu.h"
  30 #include "ui_tabcomp.h"
  31 #include "ui_utildlg.h"
  32
  33 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  34
  35 #include <math.h>
  36
  37
  38 #define PAN_WINDOW_DEFAULT_WIDTH 720
  39 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  40
  41 #define PAN_TILE_SIZE 512
  42
  43 #define ZOOM_INCREMENT 1.0
  44 #define ZOOM_LABEL_WIDTH 64
  45
  46
  47 #define PAN_PREF_GROUP          "pan_view_options"
  48 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  49 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  50 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  51 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  52
  53
  54 static GList *pan_window_list = NULL;
  55
  56
  57 static void pan_layout_update_idle(PanWindow *pw);
  58
  59 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off);
  60
  61 static void pan_search_toggle_visible(PanWindow *pw, gint enable);
  62 static void pan_search_activate(PanWindow *pw);
  63
  64 static void pan_window_close(PanWindow *pw);
  65
  66 static GtkWidget *pan_popup_menu(PanWindow *pw);
  67
  68 static void pan_window_dnd_init(PanWindow *pw);
  69
  70
  71 /*
  72  *-----------------------------------------------------------------------------
  73  * the image/thumb loader queue
  74  *-----------------------------------------------------------------------------
  75  */
  76
  77 static gint pan_queue_step(PanWindow *pw);
  78
  79
  80 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
  81 {
  82         PanWindow *pw = data;
  83
  84         if (pw->queue_pi)
  85                 {
  86                 PanItem *pi;
  87                 gint rc;
  88
  89                 pi = pw->queue_pi;
  90                 pw->queue_pi = NULL;
  91
  92                 pi->queued = FALSE;
  93
  94                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
  95                 pi->pixbuf = thumb_loader_get_pixbuf(tl, TRUE);
  96
  97                 rc = pi->refcount;
  98                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
  99                 pi->refcount = rc;
 100                 }
 101
 102         thumb_loader_free(pw->tl);
 103         pw->tl = NULL;
 104
 105         while (pan_queue_step(pw));
 106 }
 107
 108 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 109 {
 110         PanWindow *pw = data;
 111
 112         if (pw->queue_pi)
 113                 {
 114                 PanItem *pi;
 115                 gint rc;
 116
 117                 pi = pw->queue_pi;
 118                 pw->queue_pi = NULL;
 119
 120                 pi->queued = FALSE;
 121
 122                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 123                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 124                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 125
 126                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 127                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 128                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 129                         {
 130                         GdkPixbuf *tmp;
 131
 132                         tmp = pi->pixbuf;
 133                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 134                                                              (GdkInterpType)zoom_quality);
 135                         g_object_unref(tmp);
 136                         }
 137
 138                 rc = pi->refcount;
 139                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 140                 pi->refcount = rc;
 141                 }
 142
 143         image_loader_free(pw->il);
 144         pw->il = NULL;
 145
 146         while (pan_queue_step(pw));
 147 }
 148
 149 #if 0
 150 static void pan_queue_image_area_cb(ImageLoader *il, guint x, guint y,
 151                                     guint width, guint height, gpointer data)
 152 {
 153         PanWindow *pw = data;
 154
 155         if (pw->queue_pi)
 156                 {
 157                 PanItem *pi;
 158                 gint rc;
 159
 160                 pi = pw->queue_pi;
 161
 162                 if (!pi->pixbuf)
 163                         {
 164                         pi->pixbuf = image_loader_get_pixbuf(pw->il);
 165                         if (pi->pixbuf) g_object_ref(pi->pixbuf);
 166                         }
 167
 168                 rc = pi->refcount;
 169                 image_area_changed(pw->imd, pi->x + x, pi->y + y, width, height);
 170                 pi->refcount = rc;
 171                 }
 172 }
 173 #endif
 174
 175 static gint pan_queue_step(PanWindow *pw)
 176 {
 177         PanItem *pi;
 178
 179         if (!pw->queue) return FALSE;
 180
 181         pi = pw->queue->data;
 182         pw->queue = g_list_remove(pw->queue, pi);
 183         pw->queue_pi = pi;
 184
 185         if (!pw->queue_pi->fd)
 186                 {
 187                 pw->queue_pi->queued = FALSE;
 188                 pw->queue_pi = NULL;
 189                 return TRUE;
 190                 }
 191
 192         image_loader_free(pw->il);
 193         pw->il = NULL;
 194         thumb_loader_free(pw->tl);
 195         pw->tl = NULL;
 196
 197         if (pi->type == PAN_ITEM_IMAGE)
 198                 {
 199                 pw->il = image_loader_new(pi->fd);
 200
 201                 if (pw->size != PAN_IMAGE_SIZE_100)
 202                         {
 203                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 204                         }
 205
 206 #if 0
 207                 image_loader_set_area_ready_func(pw->il, pan_queue_image_area_cb, pw);
 208 #endif
 209                 image_loader_set_error_func(pw->il, pan_queue_image_done_cb, pw);
 210
 211                 if (image_loader_start(pw->il, pan_queue_image_done_cb, pw)) return FALSE;
 212
 213                 image_loader_free(pw->il);
 214                 pw->il = NULL;
 215                 }
 216         else if (pi->type == PAN_ITEM_THUMB)
 217                 {
 218                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 219
 220                 if (!pw->tl->standard_loader)
 221                         {
 222                         /* The classic loader will recreate a thumbnail any time we
 223                          * request a different size than what exists. This view will
 224                          * almost never use the user configured sizes so disable cache.
 225                          */
 226                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 227                         }
 228
 229                 thumb_loader_set_callbacks(pw->tl,
 230                                            pan_queue_thumb_done_cb,
 231                                            pan_queue_thumb_done_cb,
 232                                            NULL, pw);
 233
 234                 if (thumb_loader_start(pw->tl, pi->fd->path)) return FALSE;
 235
 236                 thumb_loader_free(pw->tl);
 237                 pw->tl = NULL;
 238                 }
 239
 240         pw->queue_pi->queued = FALSE;
 241         pw->queue_pi = NULL;
 242         return TRUE;
 243 }
 244
 245 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 246 {
 247         if (!pi || pi->queued || pi->pixbuf) return;
 248         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 249             (!pi->key || strcmp(pi->key, "info") != 0) )
 250                 {
 251                 return;
 252                 }
 253
 254         pi->queued = TRUE;
 255         pw->queue = g_list_prepend(pw->queue, pi);
 256
 257         if (!pw->tl && !pw->il) while(pan_queue_step(pw));
 258 }
 259
 260
 261 /*
 262  *-----------------------------------------------------------------------------
 263  * tile request/dispose handlers
 264  *-----------------------------------------------------------------------------
 265  */
 266
 267 static gint pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 268                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 269 {
 270         PanWindow *pw = data;
 271         GList *list;
 272         GList *work;
 273         gint i;
 274
 275         pixbuf_set_rect_fill(pixbuf,
 276                              0, 0, width, height,
 277                              PAN_BACKGROUND_COLOR, 255);
 278
 279         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 280                 {
 281                 gint rx, ry, rw, rh;
 282
 283                 if (util_clip_region(x, y, width, height,
 284                                      i, y, 1, height,
 285                                      &rx, &ry, &rw, &rh))
 286                         {
 287                         pixbuf_draw_rect_fill(pixbuf,
 288                                               rx - x, ry - y, rw, rh,
 289                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 290                         }
 291                 }
 292         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 293                 {
 294                 gint rx, ry, rw, rh;
 295
 296                 if (util_clip_region(x, y, width, height,
 297                                      x, i, width, 1,
 298                                      &rx, &ry, &rw, &rh))
 299                         {
 300                         pixbuf_draw_rect_fill(pixbuf,
 301                                               rx - x, ry - y, rw, rh,
 302                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 303                         }
 304                 }
 305
 306         list = pan_layout_intersect(pw, x, y, width, height);
 307         work = list;
 308         while (work)
 309                 {
 310                 PanItem *pi;
 311                 gint queue = FALSE;
 312
 313                 pi = work->data;
 314                 work = work->next;
 315
 316                 pi->refcount++;
 317
 318                 switch (pi->type)
 319                         {
 320                         case PAN_ITEM_BOX:
 321                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 322                                 break;
 323                         case PAN_ITEM_TRIANGLE:
 324                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 325                                 break;
 326                         case PAN_ITEM_TEXT:
 327                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 328                                 break;
 329                         case PAN_ITEM_THUMB:
 330                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 331                                 break;
 332                         case PAN_ITEM_IMAGE:
 333                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 334                                 break;
 335                         case PAN_ITEM_NONE:
 336                         default:
 337                                 break;
 338                         }
 339
 340                 if (queue) pan_queue_add(pw, pi);
 341                 }
 342
 343         g_list_free(list);
 344
 345 #if 0
 346         if (x%512 == 0 && y%512 == 0)
 347                 {
 348                 PangoLayout *layout;
 349                 gchar *buf;
 350
 351                 layout = gtk_widget_create_pango_layout((GtkWidget *)pr, NULL);
 352
 353                 buf = g_strdup_printf("%d,%d\n(#%d)", x, y,
 354                                       (x / pr->source_tile_width) +
 355                                       (y / pr->source_tile_height * (pr->image_width/pr->source_tile_width + 1)));
 356                 pango_layout_set_text(layout, buf, -1);
 357                 g_free(buf);
 358
 359                 pixbuf_draw_layout(pixbuf, layout, (GtkWidget *)pr, 0, 0, 0, 0, 0, 255);
 360
 361                 g_object_unref(G_OBJECT(layout));
 362                 }
 363 #endif
 364
 365         return TRUE;
 366 }
 367
 368 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 369                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 370 {
 371         PanWindow *pw = data;
 372         GList *list;
 373         GList *work;
 374
 375         list = pan_layout_intersect(pw, x, y, width, height);
 376         work = list;
 377         while (work)
 378                 {
 379                 PanItem *pi;
 380
 381                 pi = work->data;
 382                 work = work->next;
 383
 384                 if (pi->refcount > 0)
 385                         {
 386                         pi->refcount--;
 387
 388                         if (pi->refcount == 0)
 389                                 {
 390                                 if (pi->queued)
 391                                         {
 392                                         pw->queue = g_list_remove(pw->queue, pi);
 393                                         pi->queued = FALSE;
 394                                         }
 395                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 396                                 if (pi->pixbuf)
 397                                         {
 398                                         g_object_unref(pi->pixbuf);
 399                                         pi->pixbuf = NULL;
 400                                         }
 401                                 }
 402                         }
 403                 }
 404
 405         g_list_free(list);
 406 }
 407
 408
 409 /*
 410  *-----------------------------------------------------------------------------
 411  * misc
 412  *-----------------------------------------------------------------------------
 413  */
 414
 415 static void pan_window_message(PanWindow *pw, const gchar *text)
 416 {
 417         GList *work;
 418         gint count = 0;
 419         gint64 size = 0;
 420         gchar *ss;
 421         gchar *buf;
 422
 423         if (text)
 424                 {
 425                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 426                 return;
 427                 }
 428
 429         work = pw->list_static;
 430         if (pw->layout == PAN_LAYOUT_CALENDAR)
 431                 {
 432                 while (work)
 433                         {
 434                         PanItem *pi;
 435
 436                         pi = work->data;
 437                         work = work->next;
 438
 439                         if (pi->fd &&
 440                             pi->type == PAN_ITEM_BOX &&
 441                             pi->key && strcmp(pi->key, "dot") == 0)
 442                                 {
 443                                 size += pi->fd->size;
 444                                 count++;
 445                                 }
 446                         }
 447                 }
 448         else
 449                 {
 450                 while (work)
 451                         {
 452                         PanItem *pi;
 453
 454                         pi = work->data;
 455                         work = work->next;
 456
 457                         if (pi->fd &&
 458                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 459                                 {
 460                                 size += pi->fd->size;
 461                                 count++;
 462                                 }
 463                         }
 464                 }
 465
 466         ss = text_from_size_abrev(size);
 467         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 468         g_free(ss);
 469         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 470         g_free(buf);
 471 }
 472
 473 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 474 {
 475         gchar *message;
 476
 477         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 478         warning_dialog(_("Folder not supported"), message,
 479                       GTK_STOCK_DIALOG_INFO, parent);
 480         g_free(message);
 481 }
 482
 483 static void pan_window_zoom_limit(PanWindow *pw)
 484 {
 485         gdouble min;
 486
 487         switch (pw->size)
 488                 {
 489                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 490                 case PAN_IMAGE_SIZE_THUMB_NONE:
 491                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 492                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 493 #if 0
 494                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 495                         min = -16.0;
 496                         break;
 497 #endif
 498                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 499                         min = -6.0;
 500                         break;
 501                 case PAN_IMAGE_SIZE_10:
 502                 case PAN_IMAGE_SIZE_25:
 503                         min = -4.0;
 504                         break;
 505                 case PAN_IMAGE_SIZE_33:
 506                 case PAN_IMAGE_SIZE_50:
 507                 case PAN_IMAGE_SIZE_100:
 508                 default:
 509                         min = -2.0;
 510                         break;
 511                 }
 512
 513         image_zoom_set_limits(pw->imd, min, 32.0);
 514 }
 515
 516
 517 /*
 518  *-----------------------------------------------------------------------------
 519  * cache
 520  *-----------------------------------------------------------------------------
 521  */
 522
 523 static gint pan_cache_sort_file_cb(void *a, void *b)
 524 {
 525         PanCacheData *pca = a;
 526         PanCacheData *pcb = b;
 527         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 528 }
 529 GList *pan_cache_sort(GList *list, SortType method, gint ascend)
 530 {
 531         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 532 }
 533
 534
 535 static void pan_cache_free(PanWindow *pw)
 536 {
 537         GList *work;
 538
 539         work = pw->cache_list;
 540         while (work)
 541                 {
 542                 PanCacheData *pc;
 543
 544                 pc = work->data;
 545                 work = work->next;
 546
 547                 cache_sim_data_free(pc->cd);
 548                 file_data_unref(pc->fd);
 549                 g_free(pc);
 550                 }
 551
 552         g_list_free(pw->cache_list);
 553         pw->cache_list = NULL;
 554
 555         filelist_free(pw->cache_todo);
 556         pw->cache_todo = NULL;
 557
 558         pw->cache_count = 0;
 559         pw->cache_total = 0;
 560         pw->cache_tick = 0;
 561
 562         cache_loader_free(pw->cache_cl);
 563         pw->cache_cl = NULL;
 564 }
 565
 566 static void pan_cache_fill(PanWindow *pw, const gchar *path)
 567 {
 568         GList *list;
 569
 570         pan_cache_free(pw);
 571
 572         list = pan_list_tree(path, SORT_NAME, TRUE, pw->ignore_symlinks);
 573         pw->cache_todo = g_list_reverse(list);
 574
 575         pw->cache_total = g_list_length(pw->cache_todo);
 576 }
 577
 578 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 579 {
 580         PanWindow *pw = data;
 581
 582         if (pw->cache_list)
 583                 {
 584                 PanCacheData *pc;
 585                 pc = pw->cache_list->data;
 586
 587                 if (!pc->cd)
 588                         {
 589                         pc->cd = cl->cd;
 590                         cl->cd = NULL;
 591                         }
 592                 }
 593
 594         cache_loader_free(cl);
 595         pw->cache_cl = NULL;
 596
 597         pan_layout_update_idle(pw);
 598 }
 599
 600 static gint pan_cache_step(PanWindow *pw)
 601 {
 602         FileData *fd;
 603         PanCacheData *pc;
 604         CacheDataType load_mask;
 605
 606         if (!pw->cache_todo) return TRUE;
 607
 608         fd = pw->cache_todo->data;
 609         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 610
 611 #if 0
 612         if (enable_thumb_caching)
 613                 {
 614                 gchar *found;
 615
 616                 found = cache_find_location(CACHE_TYPE_SIM, fd->path);
 617                 if (found && filetime(found) == fd->date)
 618                         {
 619                         cd = cache_sim_data_load(found);
 620                         }
 621                 g_free(found);
 622                 }
 623
 624         if (!cd) cd = cache_sim_data_new();
 625
 626         if (!cd->dimensions)
 627                 {
 628                 cd->dimensions = image_load_dimensions(fd, &cd->width, &cd->height);
 629                 if (enable_thumb_caching &&
 630                     cd->dimensions)
 631                         {
 632                         gchar *base;
 633                         mode_t mode = 0755;
 634
 635                         base = cache_get_location(CACHE_TYPE_SIM, fd->path, FALSE, &mode);
 636                         if (cache_ensure_dir_exists(base, mode))
 637                                 {
 638                                 g_free(cd->path);
 639                                 cd->path = cache_get_location(CACHE_TYPE_SIM, fd->path, TRUE, NULL);
 640                                 if (cache_sim_data_save(cd))
 641                                         {
 642                                         filetime_set(cd->path, filetime(fd->path));
 643                                         }
 644                                 }
 645                         g_free(base);
 646                         }
 647
 648                 pw->cache_tick = 9;
 649                 }
 650 #endif
 651         pc = g_new0(PanCacheData, 1);
 652         pc->fd = file_data_ref(fd);
 653
 654         pc->cd = NULL;
 655
 656         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 657
 658         cache_loader_free(pw->cache_cl);
 659
 660         load_mask = CACHE_LOADER_NONE;
 661         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 662         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 663         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 664                                         pan_cache_step_done_cb, pw);
 665         return (pw->cache_cl == NULL);
 666 }
 667
 668 /* This sync date function is optimized for lists with a common sort */
 669 void pan_cache_sync_date(PanWindow *pw, GList *list)
 670 {
 671         GList *haystack;
 672         GList *work;
 673
 674         haystack = g_list_copy(pw->cache_list);
 675
 676         work = list;
 677         while (work)
 678                 {
 679                 FileData *fd;
 680                 GList *needle;
 681
 682                 fd = work->data;
 683                 work = work->next;
 684
 685                 needle = haystack;
 686                 while (needle)
 687                         {
 688                         PanCacheData *pc;
 689                         gchar *path;
 690
 691                         pc = needle->data;
 692                         if (pc->fd == fd)
 693                                 {
 694                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 695                                         {
 696                                         fd->date = pc->cd->date;
 697                                         }
 698
 699                                 haystack = g_list_delete_link(haystack, needle);
 700                                 needle = NULL;
 701                                 }
 702                         else
 703                                 {
 704                                 needle = needle->next;
 705                                 }
 706                         }
 707                 }
 708
 709         g_list_free(haystack);
 710 }
 711
 712 /*
 713  *-----------------------------------------------------------------------------
 714  * item grid
 715  *-----------------------------------------------------------------------------
 716  */
 717
 718 static void pan_grid_clear(PanWindow *pw)
 719 {
 720         GList *work;
 721
 722         work = pw->list_grid;
 723         while (work)
 724                 {
 725                 PanGrid *pg;
 726
 727                 pg = work->data;
 728                 work = work->next;
 729
 730                 g_list_free(pg->list);
 731                 g_free(pg);
 732                 }
 733
 734         g_list_free(pw->list_grid);
 735         pw->list_grid = NULL;
 736
 737         pw->list = g_list_concat(pw->list, pw->list_static);
 738         pw->list_static = NULL;
 739 }
 740
 741 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 742 {
 743         GList *work;
 744         gint col, row;
 745         gint cw, ch;
 746         gint l;
 747         gdouble total;
 748         gdouble s;
 749         gdouble aw, ah;
 750         gint i, j;
 751
 752         pan_grid_clear(pw);
 753
 754         l = g_list_length(pw->list);
 755
 756         if (l < 1) return;
 757
 758         total = (gdouble)width * (gdouble)height / (gdouble)l;
 759         s = sqrt(total);
 760
 761         aw = (gdouble)width / s;
 762         ah = (gdouble)height / s;
 763
 764         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 765         col = CLAMP(col, 1, l / grid_size + 1);
 766         row = (gint)((gdouble)l / grid_size / col);
 767         if (row < 1) row = 1;
 768
 769         /* limit minimum size of grid so that a tile will always fit regardless of position */
 770         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 771         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 772
 773         row = row * 2 - 1;
 774         col = col * 2 - 1;
 775
 776         if (debug) printf("intersect speedup grid is %dx%d, based on %d average per grid\n", col, row, grid_size);
 777
 778         for (j = 0; j < row; j++)
 779             for (i = 0; i < col; i++)
 780                 {
 781                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 782                         {
 783                         PanGrid *pg;
 784
 785                         pg = g_new0(PanGrid, 1);
 786                         pg->x = i * cw / 2;
 787                         pg->y = j * ch / 2;
 788                         pg->w = cw;
 789                         pg->h = ch;
 790                         pg->list = NULL;
 791
 792                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 793
 794                         if (debug) printf("grid section: %d,%d (%dx%d)\n", pg->x, pg->y, pg->w, pg->h);
 795                         }
 796                 }
 797
 798         work = pw->list;
 799         while (work)
 800                 {
 801                 PanItem *pi;
 802                 GList *grid;
 803
 804                 pi = work->data;
 805                 work = work->next;
 806
 807                 grid = pw->list_grid;
 808                 while (grid)
 809                         {
 810                         PanGrid *pg;
 811                         gint rx, ry, rw, rh;
 812
 813                         pg = grid->data;
 814                         grid = grid->next;
 815
 816                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 817                                              pg->x, pg->y, pg->w, pg->h,
 818                                              &rx, &ry, &rw, &rh))
 819                                 {
 820                                 pg->list = g_list_prepend(pg->list, pi);
 821                                 }
 822                         }
 823                 }
 824
 825         work = pw->list_grid;
 826         while (work)
 827                 {
 828                 PanGrid *pg;
 829
 830                 pg = work->data;
 831                 work = work->next;
 832
 833                 pg->list = g_list_reverse(pg->list);
 834                 }
 835
 836         pw->list_static = pw->list;
 837         pw->list = NULL;
 838 }
 839
 840
 841 /*
 842  *-----------------------------------------------------------------------------
 843  * layout state reset
 844  *-----------------------------------------------------------------------------
 845  */
 846
 847 static void pan_window_items_free(PanWindow *pw)
 848 {
 849         GList *work;
 850
 851         pan_grid_clear(pw);
 852
 853         work = pw->list;
 854         while (work)
 855                 {
 856                 PanItem *pi = work->data;
 857                 work = work->next;
 858
 859                 pan_item_free(pi);
 860                 }
 861
 862         g_list_free(pw->list);
 863         pw->list = NULL;
 864
 865         g_list_free(pw->queue);
 866         pw->queue = NULL;
 867         pw->queue_pi = NULL;
 868
 869         image_loader_free(pw->il);
 870         pw->il = NULL;
 871
 872         thumb_loader_free(pw->tl);
 873         pw->tl = NULL;
 874
 875         pw->click_pi = NULL;
 876         pw->search_pi = NULL;
 877 }
 878
 879
 880 /*
 881  *-----------------------------------------------------------------------------
 882  * layout generation, queries, sizing
 883  *-----------------------------------------------------------------------------
 884  */
 885
 886 static void pan_layout_compute(PanWindow *pw, const gchar *path,
 887                                gint *width, gint *height,
 888                                gint *scroll_x, gint *scroll_y)
 889 {
 890         pan_window_items_free(pw);
 891
 892         switch (pw->size)
 893                 {
 894                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 895                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 896                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 897                         break;
 898                 case PAN_IMAGE_SIZE_THUMB_NONE:
 899                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 900                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 901                         break;
 902                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 903                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 904                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 905                         break;
 906                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 907                 default:
 908                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 909                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 910                         break;
 911                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 912                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 913                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 914                         break;
 915                 case PAN_IMAGE_SIZE_10:
 916                         pw->image_size = 10;
 917                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 918                         break;
 919                 case PAN_IMAGE_SIZE_25:
 920                         pw->image_size = 25;
 921                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 922                         break;
 923                 case PAN_IMAGE_SIZE_33:
 924                         pw->image_size = 33;
 925                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 926                         break;
 927                 case PAN_IMAGE_SIZE_50:
 928                         pw->image_size = 50;
 929                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 930                         break;
 931                 case PAN_IMAGE_SIZE_100:
 932                         pw->image_size = 100;
 933                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 934                         break;
 935                 }
 936
 937         *width = 0;
 938         *height = 0;
 939         *scroll_x = 0;
 940         *scroll_y = 0;
 941
 942         switch (pw->layout)
 943                 {
 944                 case PAN_LAYOUT_GRID:
 945                 default:
 946                         pan_grid_compute(pw, path, width, height);
 947                         break;
 948                 case PAN_LAYOUT_FOLDERS_LINEAR:
 949                         pan_folder_tree_compute(pw, path, width, height);
 950                         break;
 951                 case PAN_LAYOUT_FOLDERS_FLOWER:
 952                         pan_flower_compute(pw, path, width, height, scroll_x, scroll_y);
 953                         break;
 954                 case PAN_LAYOUT_CALENDAR:
 955                         pan_calendar_compute(pw, path, width, height);
 956                         break;
 957                 case PAN_LAYOUT_TIMELINE:
 958                         pan_timeline_compute(pw, path, width, height);
 959                         break;
 960                 }
 961
 962         pan_cache_free(pw);
 963
 964         if (debug) printf("computed %d objects\n", g_list_length(pw->list));
 965 }
 966
 967 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 968                                      gint x, gint y, gint width, gint height)
 969 {
 970         GList *work;
 971
 972         work = item_list;
 973         while (work)
 974                 {
 975                 PanItem *pi;
 976                 gint rx, ry, rw, rh;
 977
 978                 pi = work->data;
 979                 work = work->next;
 980
 981                 if (util_clip_region(x, y, width, height,
 982                                      pi->x, pi->y, pi->width, pi->height,
 983                                      &rx, &ry, &rw, &rh))
 984                         {
 985                         list = g_list_prepend(list, pi);
 986                         }
 987                 }
 988
 989         return list;
 990 }
 991
 992 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 993 {
 994         GList *list = NULL;
 995         GList *grid;
 996         PanGrid *pg = NULL;
 997
 998         grid = pw->list_grid;
 999         while (grid && !pg)
1000                 {
1001                 pg = grid->data;
1002                 grid = grid->next;
1003
1004                 if (x < pg->x || x + width > pg->x + pg->w ||
1005                     y < pg->y || y + height > pg->y + pg->h)
1006                         {
1007                         pg = NULL;
1008                         }
1009                 }
1010
1011         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1012
1013         if (pg)
1014                 {
1015                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1016                 }
1017         else
1018                 {
1019                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1020                 }
1021
1022         return list;
1023 }
1024
1025 void pan_layout_resize(PanWindow *pw)
1026 {
1027         gint width = 0;
1028         gint height = 0;
1029         GList *work;
1030         PixbufRenderer *pr;
1031
1032         work = pw->list;
1033         while (work)
1034                 {
1035                 PanItem *pi;
1036
1037                 pi = work->data;
1038                 work = work->next;
1039
1040                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1041                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1042                 }
1043         work = pw->list_static;
1044         while (work)
1045                 {
1046                 PanItem *pi;
1047
1048                 pi = work->data;
1049                 work = work->next;
1050
1051                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1052                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1053                 }
1054
1055         width += PAN_BOX_BORDER * 2;
1056         height += PAN_BOX_BORDER * 2;
1057
1058         pr = PIXBUF_RENDERER(pw->imd->pr);
1059         if (width < pr->window_width) width = pr->window_width;
1060         if (height < pr->window_width) height = pr->window_height;
1061
1062         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1063 }
1064
1065 static gint pan_layout_update_idle_cb(gpointer data)
1066 {
1067         PanWindow *pw = data;
1068         gint width;
1069         gint height;
1070         gint scroll_x;
1071         gint scroll_y;
1072
1073         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1074             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1075                 {
1076                 if (!pw->cache_list && !pw->cache_todo)
1077                         {
1078                         pan_cache_fill(pw, pw->path);
1079                         if (pw->cache_todo)
1080                                 {
1081                                 pan_window_message(pw, _("Reading image data..."));
1082                                 return TRUE;
1083                                 }
1084                         }
1085                 if (pw->cache_todo)
1086                         {
1087                         pw->cache_count++;
1088                         pw->cache_tick++;
1089                         if (pw->cache_count == pw->cache_total)
1090                                 {
1091                                 pan_window_message(pw, _("Sorting..."));
1092                                 }
1093                         else if (pw->cache_tick > 9)
1094                                 {
1095                                 gchar *buf;
1096
1097                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1098                                                       pw->cache_count, pw->cache_total);
1099                                 pan_window_message(pw, buf);
1100                                 g_free(buf);
1101
1102                                 pw->cache_tick = 0;
1103                                 }
1104
1105                         if (pan_cache_step(pw)) return TRUE;
1106
1107                         pw->idle_id = -1;
1108                         return FALSE;
1109                         }
1110                 }
1111
1112         pan_layout_compute(pw, pw->path, &width, &height, &scroll_x, &scroll_y);
1113
1114         pan_window_zoom_limit(pw);
1115
1116         if (width > 0 && height > 0)
1117                 {
1118                 gdouble align;
1119
1120                 if (debug) printf("Canvas size is %d x %d\n", width, height);
1121
1122                 pan_grid_build(pw, width, height, 1000);
1123
1124                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1125                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1126                                           pan_window_request_tile_cb,
1127                                           pan_window_dispose_tile_cb, pw, 1.0);
1128
1129                 if (scroll_x == 0 && scroll_y == 0)
1130                         {
1131                         align = 0.0;
1132                         }
1133                 else
1134                         {
1135                         align = 0.5;
1136                         }
1137                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1138                 }
1139
1140         pan_window_message(pw, NULL);
1141
1142         pw->idle_id = -1;
1143         return FALSE;
1144 }
1145
1146 static void pan_layout_update_idle(PanWindow *pw)
1147 {
1148         if (pw->idle_id == -1)
1149                 {
1150                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1151                 }
1152 }
1153
1154 static void pan_layout_update(PanWindow *pw)
1155 {
1156         pan_window_message(pw, _("Sorting images..."));
1157         pan_layout_update_idle(pw);
1158 }
1159
1160 static void pan_layout_set_path(PanWindow *pw, const gchar *path)
1161 {
1162         if (!path) return;
1163
1164         if (strcmp(path, "/") == 0)
1165                 {
1166                 pan_warning_folder(path, pw->window);
1167                 return;
1168                 }
1169
1170         g_free(pw->path);
1171         pw->path = g_strdup(path);
1172
1173         pan_layout_update(pw);
1174 }
1175
1176
1177 /*
1178  *-----------------------------------------------------------------------------
1179  * keyboard handlers
1180  *-----------------------------------------------------------------------------
1181  */
1182
1183 FileData *pan_menu_click_fd(PanWindow *pw)
1184 {
1185         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1186         return NULL;
1187 }
1188
1189 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1190 {
1191         PanWindow *pw = data;
1192
1193         gdk_window_get_origin(pw->imd->pr->window, x, y);
1194         popup_menu_position_clamp(menu, x, y, 0);
1195 }
1196
1197 static gint pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1198 {
1199         PanWindow *pw = data;
1200         PixbufRenderer *pr;
1201         FileData *fd;
1202         gint stop_signal = FALSE;
1203         GtkWidget *menu;
1204         gint x = 0;
1205         gint y = 0;
1206         gint focused;
1207         gint on_entry;
1208
1209         pr = PIXBUF_RENDERER(pw->imd->pr);
1210         fd = pan_menu_click_fd(pw);
1211
1212         focused = (pw->fs || GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(pw->imd->widget)));
1213         on_entry = (GTK_WIDGET_HAS_FOCUS(pw->path_entry) ||
1214                     GTK_WIDGET_HAS_FOCUS(pw->search_entry));
1215
1216         if (focused)
1217                 {
1218                 stop_signal = TRUE;
1219                 switch (event->keyval)
1220                         {
1221                         case GDK_Left: case GDK_KP_Left:
1222                                 x -= 1;
1223                                 break;
1224                         case GDK_Right: case GDK_KP_Right:
1225                                 x += 1;
1226                                 break;
1227                         case GDK_Up: case GDK_KP_Up:
1228                                 y -= 1;
1229                                 break;
1230                         case GDK_Down: case GDK_KP_Down:
1231                                 y += 1;
1232                                 break;
1233                         case GDK_Page_Up: case GDK_KP_Page_Up:
1234                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1235                                 break;
1236                         case GDK_Page_Down: case GDK_KP_Page_Down:
1237                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1238                                 break;
1239                         case GDK_Home: case GDK_KP_Home:
1240                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1241                                 break;
1242                         case GDK_End: case GDK_KP_End:
1243                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1244                                 break;
1245                         default:
1246                                 stop_signal = FALSE;
1247                                 break;
1248                         }
1249
1250                 if (x != 0 || y!= 0)
1251                         {
1252                         if (event->state & GDK_SHIFT_MASK)
1253                                 {
1254                                 x *= 3;
1255                                 y *= 3;
1256                                 }
1257                         keyboard_scroll_calc(&x, &y, event);
1258                         pixbuf_renderer_scroll(pr, x, y);
1259                         }
1260                 }
1261
1262         if (stop_signal) return stop_signal;
1263
1264         if (event->state & GDK_CONTROL_MASK)
1265                 {
1266                 gint n = -1;
1267
1268                 stop_signal = TRUE;
1269                 switch (event->keyval)
1270                         {
1271                         case '1':
1272                                 n = 0;
1273                                 break;
1274                         case '2':
1275                                 n = 1;
1276                                 break;
1277                         case '3':
1278                                 n = 2;
1279                                 break;
1280                         case '4':
1281                                 n = 3;
1282                                 break;
1283                         case '5':
1284                                 n = 4;
1285                                 break;
1286                         case '6':
1287                                 n = 5;
1288                                 break;
1289                         case '7':
1290                                 n = 6;
1291                                 break;
1292                         case '8':
1293                                 n = 7;
1294                                 break;
1295                         case '9':
1296                                 n = 8;
1297                                 break;
1298                         case '0':
1299                                 n = 9;
1300                                 break;
1301                         case 'C': case 'c':
1302                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1303                                 break;
1304                         case 'M': case 'm':
1305                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1306                                 break;
1307                         case 'R': case 'r':
1308                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1309                                 break;
1310                         case 'D': case 'd':
1311                                 if (fd) file_util_delete(fd, NULL, GTK_WIDGET(pr));
1312                                 break;
1313                         case 'P': case 'p':
1314                                 if (fd) info_window_new(fd, NULL);
1315                                 break;
1316                         case 'F': case 'f':
1317                                 pan_search_toggle_visible(pw, TRUE);
1318                                 break;
1319                         case 'G': case 'g':
1320                                 pan_search_activate(pw);
1321                                 break;
1322                         case 'W': case 'w':
1323                                 pan_window_close(pw);
1324                                 break;
1325                         default:
1326                                 stop_signal = FALSE;
1327                                 break;
1328                         }
1329
1330                 if (n != -1 && fd)
1331                         {
1332                         if (!editor_window_flag_set(n))
1333                                 {
1334                                 pan_fullscreen_toggle(pw, TRUE);
1335                                 }
1336                         start_editor_from_file(n, fd);
1337                         }
1338                 }
1339         else
1340                 {
1341                 stop_signal = TRUE;
1342                 switch (event->keyval)
1343                         {
1344                         case GDK_Escape:
1345                                 if (pw->fs)
1346                                         {
1347                                         pan_fullscreen_toggle(pw, TRUE);
1348                                         }
1349                                 else
1350                                         {
1351                                         pan_search_toggle_visible(pw, FALSE);
1352                                         }
1353                                 break;
1354                         default:
1355                                 stop_signal = FALSE;
1356                                 break;
1357                         }
1358
1359                 if (stop_signal) return stop_signal;
1360
1361                 if (!on_entry)
1362                         {
1363                         stop_signal = TRUE;
1364                         switch (event->keyval)
1365                                 {
1366                                 case '+': case '=': case GDK_KP_Add:
1367                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1368                                         break;
1369                                 case '-': case GDK_KP_Subtract:
1370                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1371                                         break;
1372                                 case 'Z': case 'z': case GDK_KP_Divide: case '1':
1373                                         pixbuf_renderer_zoom_set(pr, 1.0);
1374                                         break;
1375                                 case '2':
1376                                         pixbuf_renderer_zoom_set(pr, 2.0);
1377                                         break;
1378                                 case '3':
1379                                         pixbuf_renderer_zoom_set(pr, 3.0);
1380                                         break;
1381                                 case '4':
1382                                         pixbuf_renderer_zoom_set(pr, 4.0);
1383                                         break;
1384                                 case '7':
1385                                         pixbuf_renderer_zoom_set(pr, -4.0);
1386                                         break;
1387                                 case '8':
1388                                         pixbuf_renderer_zoom_set(pr, -3.0);
1389                                         break;
1390                                 case '9':
1391                                         pixbuf_renderer_zoom_set(pr, -2.0);
1392                                         break;
1393                                 case 'F': case 'f':
1394                                 case 'V': case 'v':
1395                                 case GDK_F11:
1396                                         pan_fullscreen_toggle(pw, FALSE);
1397                                         break;
1398                                 case 'I': case 'i':
1399 #if 0
1400                                         pan_overlay_toggle(pw);
1401 #endif
1402                                         break;
1403                                 case GDK_Delete: case GDK_KP_Delete:
1404                                         break;
1405                                 case GDK_Menu:
1406                                 case GDK_F10:
1407                                         menu = pan_popup_menu(pw);
1408                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1409                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1410                                         break;
1411                                 case '/':
1412                                         pan_search_toggle_visible(pw, TRUE);
1413                                         break;
1414                                 default:
1415                                         stop_signal = FALSE;
1416                                         break;
1417                                 }
1418                         }
1419                 }
1420
1421         return stop_signal;
1422 }
1423
1424 /*
1425  *-----------------------------------------------------------------------------
1426  * info popup
1427  *-----------------------------------------------------------------------------
1428  */
1429
1430 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1431 {
1432         ExifData *exif;
1433         GList *work;
1434         gint i;
1435
1436         if (!fd) return;
1437         exif = exif_read(fd, FALSE);
1438         if (!exif) return;
1439
1440         pan_text_alignment_add(ta, NULL, NULL);
1441
1442         for (i = 0; i < bar_exif_key_count; i++)
1443                 {
1444                 gchar *label;
1445                 gchar *text;
1446
1447                 label = g_strdup_printf("%s:", exif_get_description_by_key(bar_exif_key_list[i]));
1448                 text = exif_get_data_as_text(exif, bar_exif_key_list[i]);
1449                 text = bar_exif_validate_text(text);
1450                 pan_text_alignment_add(ta, label, text);
1451                 g_free(label);
1452                 g_free(text);
1453                 }
1454
1455         work = g_list_last(history_list_get_by_key("exif_extras"));
1456         if (work) pan_text_alignment_add(ta, "---", NULL);
1457         while (work)
1458                 {
1459                 const gchar *name;
1460                 gchar *label;
1461                 gchar *text;
1462
1463                 name = work->data;
1464                 work = work->prev;
1465
1466                 label = g_strdup_printf("%s:", name);
1467                 text = exif_get_data_as_text(exif, name);
1468                 text = bar_exif_validate_text(text);
1469                 pan_text_alignment_add(ta, label, text);
1470                 g_free(label);
1471                 g_free(text);
1472                 }
1473
1474         exif_free(exif);
1475 }
1476
1477 static void pan_info_update(PanWindow *pw, PanItem *pi)
1478 {
1479         PanTextAlignment *ta;
1480         PanItem *pbox;
1481         PanItem *p;
1482         gchar *buf;
1483         gint x1, y1, x2, y2, x3, y3;
1484         gint x, y, w, h;
1485
1486         if (pw->click_pi == pi) return;
1487         if (pi && !pi->fd) pi = NULL;
1488
1489         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1490         pw->click_pi = pi;
1491
1492         if (!pi) return;
1493
1494         if (debug) printf("info set to %s\n", pi->fd->path);
1495
1496         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1497                                 PAN_POPUP_BORDER,
1498                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1499                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1500         pan_item_set_key(pbox, "info");
1501
1502         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1503                 {
1504                 w = gdk_pixbuf_get_width(pi->pixbuf);
1505                 h = gdk_pixbuf_get_height(pi->pixbuf);
1506
1507                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1508                 y1 = pi->y + (pi->height - h) / 2 + 8;
1509                 }
1510         else
1511                 {
1512                 x1 = pi->x + pi->width - 8;
1513                 y1 = pi->y + 8;
1514                 }
1515
1516         x2 = pbox->x + 1;
1517         y2 = pbox->y + 36;
1518         x3 = pbox->x + 1;
1519         y3 = pbox->y + 12;
1520         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1521                            &x, &y, &w, &h);
1522
1523         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1524                              x1, y1, x2, y2, x3, y3,
1525                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1526         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1527         pan_item_set_key(p, "info");
1528         pan_item_added(pw, p);
1529
1530         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1531
1532         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1533         buf = remove_level_from_path(pi->fd->path);
1534         pan_text_alignment_add(ta, _("Location:"), buf);
1535         g_free(buf);
1536         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1537         buf = text_from_size(pi->fd->size);
1538         pan_text_alignment_add(ta, _("Size:"), buf);
1539         g_free(buf);
1540
1541         if (pw->info_includes_exif)
1542                 {
1543                 pan_info_add_exif(ta, pi->fd);
1544                 }
1545
1546         pan_text_alignment_calc(ta, pbox);
1547         pan_text_alignment_free(ta);
1548
1549         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1550         pan_item_added(pw, pbox);
1551
1552         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1553                 {
1554                 gint iw, ih;
1555                 if (image_load_dimensions(pi->fd, &iw, &ih))
1556                         {
1557                         gint scale = 25;
1558
1559                         switch (pw->info_image_size)
1560                                 {
1561                                 case PAN_IMAGE_SIZE_10:
1562                                         scale = 10;
1563                                         break;
1564                                 case PAN_IMAGE_SIZE_25:
1565                                         scale = 25;
1566                                         break;
1567                                 case PAN_IMAGE_SIZE_33:
1568                                         scale = 33;
1569                                         break;
1570                                 case PAN_IMAGE_SIZE_50:
1571                                         scale = 50;
1572                                         break;
1573                                 case PAN_IMAGE_SIZE_100:
1574                                         scale = 100;
1575                                         break;
1576                                 }
1577
1578                         iw = MAX(1, iw * scale / 100);
1579                         ih = MAX(1, ih * scale / 100);
1580
1581                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1582                                                 PAN_POPUP_BORDER,
1583                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1584                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1585                         pan_item_set_key(pbox, "info");
1586
1587                         p = pan_item_image_new(pw, file_data_new_simple(pi->fd->path),
1588                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1589                         pan_item_set_key(p, "info");
1590                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1591
1592                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1593                         pan_item_added(pw, pbox);
1594                         }
1595                 }
1596
1597         pan_layout_resize(pw);
1598 }
1599
1600
1601 /*
1602  *-----------------------------------------------------------------------------
1603  * search
1604  *-----------------------------------------------------------------------------
1605  */
1606
1607 static void pan_search_status(PanWindow *pw, const gchar *text)
1608 {
1609         gtk_label_set_text(GTK_LABEL(pw->search_label), (text) ? text : "");
1610 }
1611
1612 static gint pan_search_by_path(PanWindow *pw, const gchar *path)
1613 {
1614         PanItem *pi;
1615         GList *list;
1616         GList *found;
1617         PanItemType type;
1618         gchar *buf;
1619
1620         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1621
1622         list = pan_item_find_by_path(pw, type, path, FALSE, FALSE);
1623         if (!list) return FALSE;
1624
1625         found = g_list_find(list, pw->click_pi);
1626         if (found && found->next)
1627                 {
1628                 found = found->next;
1629                 pi = found->data;
1630                 }
1631         else
1632                 {
1633                 pi = list->data;
1634                 }
1635
1636         pan_info_update(pw, pi);
1637         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1638
1639         buf = g_strdup_printf("%s ( %d / %d )",
1640                               (path[0] == '/') ? _("path found") : _("filename found"),
1641                               g_list_index(list, pi) + 1,
1642                               g_list_length(list));
1643         pan_search_status(pw, buf);
1644         g_free(buf);
1645
1646         g_list_free(list);
1647
1648         return TRUE;
1649 }
1650
1651 static gint pan_search_by_partial(PanWindow *pw, const gchar *text)
1652 {
1653         PanItem *pi;
1654         GList *list;
1655         GList *found;
1656         PanItemType type;
1657         gchar *buf;
1658
1659         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1660
1661         list = pan_item_find_by_path(pw, type, text, TRUE, FALSE);
1662         if (!list) list = pan_item_find_by_path(pw, type, text, FALSE, TRUE);
1663         if (!list)
1664                 {
1665                 gchar *needle;
1666
1667                 needle = g_utf8_strdown(text, -1);
1668                 list = pan_item_find_by_path(pw, type, needle, TRUE, TRUE);
1669                 g_free(needle);
1670                 }
1671         if (!list) return FALSE;
1672
1673         found = g_list_find(list, pw->click_pi);
1674         if (found && found->next)
1675                 {
1676                 found = found->next;
1677                 pi = found->data;
1678                 }
1679         else
1680                 {
1681                 pi = list->data;
1682                 }
1683
1684         pan_info_update(pw, pi);
1685         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1686
1687         buf = g_strdup_printf("%s ( %d / %d )",
1688                               _("partial match"),
1689                               g_list_index(list, pi) + 1,
1690                               g_list_length(list));
1691         pan_search_status(pw, buf);
1692         g_free(buf);
1693
1694         g_list_free(list);
1695
1696         return TRUE;
1697 }
1698
1699 static gint valid_date_separator(gchar c)
1700 {
1701         return (c == '/' || c == '-' || c == ' ' || c == '.' || c == ',');
1702 }
1703
1704 static GList *pan_search_by_date_val(PanWindow *pw, PanItemType type,
1705                                      gint year, gint month, gint day,
1706                                      const gchar *key)
1707 {
1708         GList *list = NULL;
1709         GList *work;
1710
1711         work = g_list_last(pw->list_static);
1712         while (work)
1713                 {
1714                 PanItem *pi;
1715
1716                 pi = work->data;
1717                 work = work->prev;
1718
1719                 if (pi->fd && (pi->type == type || type == PAN_ITEM_NONE) &&
1720                     ((!key && !pi->key) || (key && pi->key && strcmp(key, pi->key) == 0)))
1721                         {
1722                         struct tm *tl;
1723
1724                         tl = localtime(&pi->fd->date);
1725                         if (tl)
1726                                 {
1727                                 gint match;
1728
1729                                 match = (tl->tm_year == year - 1900);
1730                                 if (match && month >= 0) match = (tl->tm_mon == month - 1);
1731                                 if (match && day > 0) match = (tl->tm_mday == day);
1732
1733                                 if (match) list = g_list_prepend(list, pi);
1734                                 }
1735                         }
1736                 }
1737
1738         return g_list_reverse(list);
1739 }
1740
1741 static gint pan_search_by_date(PanWindow *pw, const gchar *text)
1742 {
1743         PanItem *pi = NULL;
1744         GList *list = NULL;
1745         GList *found;
1746         gint year;
1747         gint month = -1;
1748         gint day = -1;
1749         gchar *ptr;
1750         gchar *mptr;
1751         struct tm *lt;
1752         time_t t;
1753         gchar *message;
1754         gchar *buf;
1755         gchar *buf_count;
1756
1757         if (!text) return FALSE;
1758
1759         ptr = (gchar *)text;
1760         while (*ptr != '\0')
1761                 {
1762                 if (!g_unichar_isdigit(*ptr) && !valid_date_separator(*ptr)) return FALSE;
1763                 ptr++;
1764                 }
1765
1766         t = time(NULL);
1767         if (t == -1) return FALSE;
1768         lt = localtime(&t);
1769         if (!lt) return FALSE;
1770
1771         if (valid_date_separator(*text))
1772                 {
1773                 year = -1;
1774                 mptr = (gchar *)text;
1775                 }
1776         else
1777                 {
1778                 year = (gint)strtol(text, &mptr, 10);
1779                 if (mptr == text) return FALSE;
1780                 }
1781
1782         if (*mptr != '\0' && valid_date_separator(*mptr))
1783                 {
1784                 gchar *dptr;
1785
1786                 mptr++;
1787                 month = strtol(mptr, &dptr, 10);
1788                 if (dptr == mptr)
1789                         {
1790                         if (valid_date_separator(*dptr))
1791                                 {
1792                                 month = lt->tm_mon + 1;
1793                                 dptr++;
1794                                 }
1795                         else
1796                                 {
1797                                 month = -1;
1798                                 }
1799                         }
1800                 if (dptr != mptr && *dptr != '\0' && valid_date_separator(*dptr))
1801                         {
1802                         gchar *eptr;
1803                         dptr++;
1804                         day = strtol(dptr, &eptr, 10);
1805                         if (dptr == eptr)
1806                                 {
1807                                 day = lt->tm_mday;
1808                                 }
1809                         }
1810                 }
1811
1812         if (year == -1)
1813                 {
1814                 year = lt->tm_year + 1900;
1815                 }
1816         else if (year < 100)
1817                 {
1818                 if (year > 70)
1819                         year+= 1900;
1820                 else
1821                         year+= 2000;
1822                 }
1823
1824         if (year < 1970 ||
1825             month < -1 || month == 0 || month > 12 ||
1826             day < -1 || day == 0 || day > 31) return FALSE;
1827
1828         t = pan_date_to_time(year, month, day);
1829         if (t < 0) return FALSE;
1830
1831         if (pw->layout == PAN_LAYOUT_CALENDAR)
1832                 {
1833                 list = pan_search_by_date_val(pw, PAN_ITEM_BOX, year, month, day, "day");
1834                 }
1835         else
1836                 {
1837                 PanItemType type;
1838
1839                 type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1840                 list = pan_search_by_date_val(pw, type, year, month, day, NULL);
1841                 }
1842
1843         if (list)
1844                 {
1845                 found = g_list_find(list, pw->search_pi);
1846                 if (found && found->next)
1847                         {
1848                         found = found->next;
1849                         pi = found->data;
1850                         }
1851                 else
1852                         {
1853                         pi = list->data;
1854                         }
1855                 }
1856
1857         pw->search_pi = pi;
1858
1859         if (pw->layout == PAN_LAYOUT_CALENDAR && pi && pi->type == PAN_ITEM_BOX)
1860                 {
1861                 pan_info_update(pw, NULL);
1862                 pan_calendar_update(pw, pi);
1863                 image_scroll_to_point(pw->imd,
1864                                       pi->x + pi->width / 2,
1865                                       pi->y + pi->height / 2, 0.5, 0.5);
1866                 }
1867         else if (pi)
1868                 {
1869                 pan_info_update(pw, pi);
1870                 image_scroll_to_point(pw->imd,
1871                                       pi->x - PAN_BOX_BORDER * 5 / 2,
1872                                       pi->y, 0.0, 0.5);
1873                 }
1874
1875         if (month > 0)
1876                 {
1877                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_MONTH);
1878                 if (day > 0)
1879                         {
1880                         gchar *tmp;
1881                         tmp = buf;
1882                         buf = g_strdup_printf("%d %s", day, tmp);
1883                         g_free(tmp);
1884                         }
1885                 }
1886         else
1887                 {
1888                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_YEAR);
1889                 }
1890
1891         if (pi)
1892                 {
1893                 buf_count = g_strdup_printf("( %d / %d )",
1894                                             g_list_index(list, pi) + 1,
1895                                             g_list_length(list));
1896                 }
1897         else
1898                 {
1899                 buf_count = g_strdup_printf("(%s)", _("no match"));
1900                 }
1901
1902         message = g_strdup_printf("%s %s %s", _("Date:"), buf, buf_count);
1903         g_free(buf);
1904         g_free(buf_count);
1905         pan_search_status(pw, message);
1906         g_free(message);
1907
1908         g_list_free(list);
1909
1910         return TRUE;
1911 }
1912
1913 static void pan_search_activate_cb(const gchar *text, gpointer data)
1914 {
1915         PanWindow *pw = data;
1916
1917         if (!text) return;
1918
1919         tab_completion_append_to_history(pw->search_entry, text);
1920
1921         if (pan_search_by_path(pw, text)) return;
1922
1923         if ((pw->layout == PAN_LAYOUT_TIMELINE ||
1924              pw->layout == PAN_LAYOUT_CALENDAR) &&
1925             pan_search_by_date(pw, text))
1926                 {
1927                 return;
1928                 }
1929
1930         if (pan_search_by_partial(pw, text)) return;
1931
1932         pan_search_status(pw, _("no match"));
1933 }
1934
1935 static void pan_search_activate(PanWindow *pw)
1936 {
1937         gchar *text;
1938
1939 #if 0
1940         if (!GTK_WIDGET_VISIBLE(pw->search_box))
1941                 {
1942                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
1943                 }
1944 #endif
1945
1946         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->search_entry)));
1947         pan_search_activate_cb(text, pw);
1948         g_free(text);
1949 }
1950
1951 static void pan_search_toggle_cb(GtkWidget *button, gpointer data)
1952 {
1953         PanWindow *pw = data;
1954         gint visible;
1955
1956         visible = GTK_WIDGET_VISIBLE(pw->search_box);
1957         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)) == visible) return;
1958
1959         if (visible)
1960                 {
1961                 gtk_widget_hide(pw->search_box);
1962                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_UP, GTK_SHADOW_NONE);
1963                 }
1964         else
1965                 {
1966                 gtk_widget_show(pw->search_box);
1967                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE);
1968                 gtk_widget_grab_focus(pw->search_entry);
1969                 }
1970 }
1971
1972 static void pan_search_toggle_visible(PanWindow *pw, gint enable)
1973 {
1974         if (pw->fs) return;
1975
1976         if (enable)
1977                 {
1978                 if (GTK_WIDGET_VISIBLE(pw->search_box))
1979                         {
1980                         gtk_widget_grab_focus(pw->search_entry);
1981                         }
1982                 else
1983                         {
1984                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
1985                         }
1986                 }
1987         else
1988                 {
1989                 if (GTK_WIDGET_VISIBLE(pw->search_entry))
1990                         {
1991                         if (GTK_WIDGET_HAS_FOCUS(pw->search_entry))
1992                                 {
1993                                 gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1994                                 }
1995                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), FALSE);
1996                         }
1997                 }
1998 }
1999
2000
2001 /*
2002  *-----------------------------------------------------------------------------
2003  * main window
2004  *-----------------------------------------------------------------------------
2005  */
2006
2007 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
2008 {
2009         PanWindow *pw = data;
2010         PanItem *pi = NULL;
2011         GtkWidget *menu;
2012         gint rx, ry;
2013
2014         rx = ry = 0;
2015         if (pr->scale)
2016                 {
2017                 rx = (double)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
2018                 ry = (double)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
2019                 }
2020
2021         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
2022         if (pi && event->button == 1)
2023                 {
2024                 pan_info_update(pw, NULL);
2025                 return;
2026                 }
2027
2028         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
2029                                     rx, ry, NULL);
2030
2031         switch (event->button)
2032                 {
2033                 case 1:
2034                         pan_info_update(pw, pi);
2035
2036                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
2037                                 {
2038                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
2039                                 pan_calendar_update(pw, pi);
2040                                 }
2041                         break;
2042                 case 2:
2043                         break;
2044                 case 3:
2045                         pan_info_update(pw, pi);
2046                         menu = pan_popup_menu(pw);
2047                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
2048                         break;
2049                 default:
2050                         break;
2051                 }
2052 }
2053
2054 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
2055 {
2056 #if 0
2057         PanWindow *pw = data;
2058 #endif
2059         gint w, h;
2060
2061         w = pr->vis_width;
2062         h = pr->vis_height;
2063
2064         if (!(event->state & GDK_SHIFT_MASK))
2065                 {
2066                 w /= 3;
2067                 h /= 3;
2068                 }
2069
2070         if (event->state & GDK_CONTROL_MASK)
2071                 {
2072                 switch (event->direction)
2073                         {
2074                         case GDK_SCROLL_UP:
2075                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
2076                                                                      (gint)event->x, (gint)event->y);
2077                                 break;
2078                         case GDK_SCROLL_DOWN:
2079                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
2080                                                                      (gint)event->x, (gint)event->y);
2081                                 break;
2082                         default:
2083                                 break;
2084                         }
2085                 }
2086         else
2087                 {
2088                 switch (event->direction)
2089                         {
2090                         case GDK_SCROLL_UP:
2091                                 pixbuf_renderer_scroll(pr, 0, -h);
2092                                 break;
2093                         case GDK_SCROLL_DOWN:
2094                                 pixbuf_renderer_scroll(pr, 0, h);
2095                                 break;
2096                         case GDK_SCROLL_LEFT:
2097                                 pixbuf_renderer_scroll(pr, -w, 0);
2098                                 break;
2099                         case GDK_SCROLL_RIGHT:
2100                                 pixbuf_renderer_scroll(pr, w, 0);
2101                                 break;
2102                         default:
2103                                 break;
2104                         }
2105                 }
2106 }
2107
2108 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
2109 {
2110         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2111                          G_CALLBACK(button_cb), pw);
2112         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2113                          G_CALLBACK(scroll_cb), pw);
2114 }
2115
2116 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
2117 {
2118         PanWindow *pw = data;
2119
2120         pw->fs = NULL;
2121         pw->imd = pw->imd_normal;
2122 }
2123
2124 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off)
2125 {
2126         if (force_off && !pw->fs) return;
2127
2128         if (pw->fs)
2129                 {
2130                 fullscreen_stop(pw->fs);
2131                 }
2132         else
2133                 {
2134                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
2135                 pan_image_set_buttons(pw, pw->fs->imd);
2136                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
2137                                  G_CALLBACK(pan_window_key_press_cb), pw);
2138
2139                 pw->imd = pw->fs->imd;
2140                 }
2141 }
2142
2143 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
2144 {
2145         PanWindow *pw = data;
2146         gchar *text;
2147
2148         text = image_zoom_get_as_text(pw->imd);
2149         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
2150         g_free(text);
2151 }
2152
2153 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
2154 {
2155         PanWindow *pw = data;
2156         GtkAdjustment *adj;
2157         GdkRectangle rect;
2158         gint width, height;
2159
2160         if (pr->scale == 0.0) return;
2161
2162         pixbuf_renderer_get_visible_rect(pr, &rect);
2163         pixbuf_renderer_get_image_size(pr, &width, &height);
2164
2165         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
2166         adj->page_size = (gdouble)rect.width;
2167         adj->page_increment = adj->page_size / 2.0;
2168         adj->step_increment = 48.0 / pr->scale;
2169         adj->lower = 0.0;
2170         adj->upper = MAX((gdouble)width, 1.0);
2171         adj->value = (gdouble)rect.x;
2172
2173         pref_signal_block_data(pw->scrollbar_h, pw);
2174         gtk_adjustment_changed(adj);
2175         gtk_adjustment_value_changed(adj);
2176         pref_signal_unblock_data(pw->scrollbar_h, pw);
2177
2178         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
2179         adj->page_size = (gdouble)rect.height;
2180         adj->page_increment = adj->page_size / 2.0;
2181         adj->step_increment = 48.0 / pr->scale;
2182         adj->lower = 0.0;
2183         adj->upper = MAX((gdouble)height, 1.0);
2184         adj->value = (gdouble)rect.y;
2185
2186         pref_signal_block_data(pw->scrollbar_v, pw);
2187         gtk_adjustment_changed(adj);
2188         gtk_adjustment_value_changed(adj);
2189         pref_signal_unblock_data(pw->scrollbar_v, pw);
2190 }
2191
2192 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
2193 {
2194         PanWindow *pw = data;
2195         PixbufRenderer *pr;
2196         gint x;
2197
2198         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2199
2200         if (!pr->scale) return;
2201
2202         x = (gint)gtk_range_get_value(range);
2203
2204         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
2205 }
2206
2207 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
2208 {
2209         PanWindow *pw = data;
2210         PixbufRenderer *pr;
2211         gint y;
2212
2213         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2214
2215         if (!pr->scale) return;
2216
2217         y = (gint)gtk_range_get_value(range);
2218
2219         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
2220 }
2221
2222 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
2223 {
2224         PanWindow *pw = data;
2225
2226         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2227         pan_layout_update(pw);
2228 }
2229
2230 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
2231 {
2232         PanWindow *pw = data;
2233
2234         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2235         pan_layout_update(pw);
2236 }
2237
2238 #if 0
2239 static void pan_window_date_toggle_cb(GtkWidget *button, gpointer data)
2240 {
2241         PanWindow *pw = data;
2242
2243         pw->exif_date_enable = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2244         pan_layout_update(pw);
2245 }
2246 #endif
2247
2248 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
2249 {
2250         PanWindow *pw = data;
2251         gchar *path;
2252
2253         path = remove_trailing_slash(new_text);
2254         parse_out_relatives(path);
2255
2256         if (!isdir(path))
2257                 {
2258                 warning_dialog(_("Folder not found"),
2259                                _("The entered path is not a folder"),
2260                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
2261                 }
2262         else
2263                 {
2264                 tab_completion_append_to_history(pw->path_entry, path);
2265
2266                 pan_layout_set_path(pw, path);
2267                 }
2268
2269         g_free(path);
2270 }
2271
2272 static void pan_window_entry_change_cb(GtkWidget *combo, gpointer data)
2273 {
2274         PanWindow *pw = data;
2275         gchar *text;
2276
2277         if (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)) < 0) return;
2278
2279         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->path_entry)));
2280         pan_window_entry_activate_cb(text, pw);
2281         g_free(text);
2282 }
2283
2284 static void pan_window_close(PanWindow *pw)
2285 {
2286         pan_window_list = g_list_remove(pan_window_list, pw);
2287
2288         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
2289         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
2290         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
2291
2292         if (pw->idle_id != -1)
2293                 {
2294                 g_source_remove(pw->idle_id);
2295                 }
2296
2297         pan_fullscreen_toggle(pw, TRUE);
2298         gtk_widget_destroy(pw->window);
2299
2300         pan_window_items_free(pw);
2301         pan_cache_free(pw);
2302
2303         g_free(pw->path);
2304
2305         g_free(pw);
2306 }
2307
2308 static gint pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
2309 {
2310         PanWindow *pw = data;
2311
2312         pan_window_close(pw);
2313         return TRUE;
2314 }
2315
2316 static void pan_window_new_real(const gchar *path)
2317 {
2318         PanWindow *pw;
2319         GtkWidget *vbox;
2320         GtkWidget *box;
2321         GtkWidget *combo;
2322         GtkWidget *hbox;
2323         GtkWidget *frame;
2324         GtkWidget *table;
2325         GdkGeometry geometry;
2326
2327         pw = g_new0(PanWindow, 1);
2328
2329         pw->path = g_strdup(path);
2330         pw->layout = PAN_LAYOUT_TIMELINE;
2331         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
2332         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
2333         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
2334
2335         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
2336                 {
2337                 pw->exif_date_enable = FALSE;
2338                 }
2339         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
2340                 {
2341                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
2342                 }
2343         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
2344                 {
2345                 pw->info_includes_exif = TRUE;
2346                 }
2347
2348         pw->ignore_symlinks = TRUE;
2349
2350         pw->list = NULL;
2351         pw->list_static = NULL;
2352         pw->list_grid = NULL;
2353
2354         pw->fs = NULL;
2355         pw->overlay_id = -1;
2356         pw->idle_id = -1;
2357
2358         pw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
2359
2360         geometry.min_width = 8;
2361         geometry.min_height = 8;
2362         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
2363
2364         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
2365         gtk_window_set_title (GTK_WINDOW(pw->window), _("Pan View - GQview"));
2366         gtk_window_set_wmclass(GTK_WINDOW(pw->window), "view", "GQview");
2367         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
2368
2369         window_set_icon(pw->window, NULL, NULL);
2370
2371         vbox = gtk_vbox_new(FALSE, 0);
2372         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
2373         gtk_widget_show(vbox);
2374
2375         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
2376
2377         pref_spacer(box, 0);
2378         pref_label_new(box, _("Location:"));
2379         combo = tab_completion_new_with_history(&pw->path_entry, path, "pan_view_path", -1,
2380                                                 pan_window_entry_activate_cb, pw);
2381         g_signal_connect(G_OBJECT(pw->path_entry->parent), "changed",
2382                          G_CALLBACK(pan_window_entry_change_cb), pw);
2383         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
2384         gtk_widget_show(combo);
2385
2386         combo = gtk_combo_box_new_text();
2387         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Timeline"));
2388         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Calendar"));
2389         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders"));
2390         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders (flower)"));
2391         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Grid"));
2392
2393         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
2394         g_signal_connect(G_OBJECT(combo), "changed",
2395                          G_CALLBACK(pan_window_layout_change_cb), pw);
2396         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2397         gtk_widget_show(combo);
2398
2399         combo = gtk_combo_box_new_text();
2400         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Dots"));
2401         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("No Images"));
2402         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Small Thumbnails"));
2403         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Normal Thumbnails"));
2404         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Large Thumbnails"));
2405         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:10 (10%)"));
2406         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:4 (25%)"));
2407         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:3 (33%)"));
2408         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:2 (50%)"));
2409         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:1 (100%)"));
2410
2411         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
2412         g_signal_connect(G_OBJECT(combo), "changed",
2413                          G_CALLBACK(pan_window_layout_size_cb), pw);
2414         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2415         gtk_widget_show(combo);
2416
2417         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
2418         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
2419         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
2420
2421         pw->imd = image_new(TRUE);
2422         pw->imd_normal = pw->imd;
2423
2424         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
2425                          G_CALLBACK(pan_window_image_zoom_cb), pw);
2426         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
2427                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
2428
2429         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
2430                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
2431         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
2432
2433         pan_window_dnd_init(pw);
2434
2435         pan_image_set_buttons(pw, pw->imd);
2436
2437         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
2438         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
2439                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
2440         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
2441                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
2442         gtk_widget_show(pw->scrollbar_h);
2443
2444         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
2445         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
2446                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
2447         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
2448                          0, GTK_FILL | GTK_EXPAND, 0, 0);
2449         gtk_widget_show(pw->scrollbar_v);
2450
2451         /* find bar */
2452
2453         pw->search_box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2454         gtk_box_pack_start(GTK_BOX(vbox), pw->search_box, FALSE, FALSE, 2);
2455
2456         pref_spacer(pw->search_box, 0);
2457         pref_label_new(pw->search_box, _("Find:"));
2458
2459         hbox = gtk_hbox_new(TRUE, PREF_PAD_SPACE);
2460         gtk_box_pack_start(GTK_BOX(pw->search_box), hbox, TRUE, TRUE, 0);
2461         gtk_widget_show(hbox);
2462
2463         combo = tab_completion_new_with_history(&pw->search_entry, "", "pan_view_search", -1,
2464                                                 pan_search_activate_cb, pw);
2465         gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 0);
2466         gtk_widget_show(combo);
2467
2468         pw->search_label = gtk_label_new("");
2469         gtk_box_pack_start(GTK_BOX(hbox), pw->search_label, TRUE, TRUE, 0);
2470         gtk_widget_show(pw->search_label);
2471
2472         /* status bar */
2473
2474         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2475
2476         frame = gtk_frame_new(NULL);
2477         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2478         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2479         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
2480         gtk_widget_show(frame);
2481
2482         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2483         gtk_container_add(GTK_CONTAINER(frame), hbox);
2484         gtk_widget_show(hbox);
2485
2486         pref_spacer(hbox, 0);
2487         pw->label_message = pref_label_new(hbox, "");
2488
2489         frame = gtk_frame_new(NULL);
2490         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2491         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2492         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2493         gtk_widget_show(frame);
2494
2495         pw->label_zoom = gtk_label_new("");
2496         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2497         gtk_widget_show(pw->label_zoom);
2498
2499 #if 0
2500         pw->date_button = pref_checkbox_new(box, _("Use Exif date"), pw->exif_date_enable,
2501                                             G_CALLBACK(pan_window_date_toggle_cb), pw);
2502 #endif
2503
2504         pw->search_button = gtk_toggle_button_new();
2505         gtk_button_set_relief(GTK_BUTTON(pw->search_button), GTK_RELIEF_NONE);
2506         gtk_button_set_focus_on_click(GTK_BUTTON(pw->search_button), FALSE);
2507         hbox = gtk_hbox_new(FALSE, PREF_PAD_GAP);
2508         gtk_container_add(GTK_CONTAINER(pw->search_button), hbox);
2509         gtk_widget_show(hbox);
2510         pw->search_button_arrow = gtk_arrow_new(GTK_ARROW_UP, GTK_SHADOW_NONE);
2511         gtk_box_pack_start(GTK_BOX(hbox), pw->search_button_arrow, FALSE, FALSE, 0);
2512         gtk_widget_show(pw->search_button_arrow);
2513         pref_label_new(hbox, _("Find"));
2514
2515         gtk_box_pack_end(GTK_BOX(box), pw->search_button, FALSE, FALSE, 0);
2516         gtk_widget_show(pw->search_button);
2517         g_signal_connect(G_OBJECT(pw->search_button), "clicked",
2518                          G_CALLBACK(pan_search_toggle_cb), pw);
2519
2520         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2521                          G_CALLBACK(pan_window_delete_cb), pw);
2522         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2523                          G_CALLBACK(pan_window_key_press_cb), pw);
2524
2525         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2526
2527         pan_layout_update(pw);
2528
2529         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2530         gtk_widget_show(pw->window);
2531
2532         pan_window_list = g_list_append(pan_window_list, pw);
2533 }
2534
2535 /*
2536  *-----------------------------------------------------------------------------
2537  * peformance warnings
2538  *-----------------------------------------------------------------------------
2539  */
2540
2541 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2542 {
2543         gchar *path = data;
2544
2545         generic_dialog_close(gd);
2546
2547         pan_window_new_real(path);
2548         g_free(path);
2549 }
2550
2551 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
2552 {
2553         gint hide_dlg;
2554
2555         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2556         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2557 }
2558
2559 static gint pan_warning(const gchar *path)
2560 {
2561         GenericDialog *gd;
2562         GtkWidget *box;
2563         GtkWidget *group;
2564         GtkWidget *button;
2565         GtkWidget *ct_button;
2566         gint hide_dlg;
2567
2568         if (path && strcmp(path, "/") == 0)
2569                 {
2570                 pan_warning_folder(path, NULL);
2571                 return TRUE;
2572                 }
2573
2574         if (enable_thumb_caching &&
2575             thumbnail_spec_standard) return FALSE;
2576
2577         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2578         if (hide_dlg) return FALSE;
2579
2580         gd = generic_dialog_new(_("Pan View Performance"), "GQview", "pan_view_warning", NULL, FALSE,
2581                                 NULL, NULL);
2582         gd->data = g_strdup(path);
2583         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2584                                   pan_warning_ok_cb, TRUE);
2585
2586         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2587                                          _("Pan view performance may be poor."),
2588                                          _("To improve performance of thumbnails in the pan view the"
2589                                            " following options can be enabled. Note that both options"
2590                                            " must be enabled to notice a change in performance."));
2591
2592         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2593         pref_spacer(group, PREF_PAD_INDENT);
2594         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2595
2596         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2597                                           enable_thumb_caching, &enable_thumb_caching);
2598         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2599                                        thumbnail_spec_standard, &thumbnail_spec_standard);
2600         pref_checkbox_link_sensitivity(ct_button, button);
2601
2602         pref_line(box, 0);
2603
2604         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2605                           G_CALLBACK(pan_warning_hide_cb), NULL);
2606
2607         gtk_widget_show(gd->dialog);
2608
2609         return TRUE;
2610 }
2611
2612
2613 /*
2614  *-----------------------------------------------------------------------------
2615  * entry point
2616  *-----------------------------------------------------------------------------
2617  */
2618
2619 void pan_window_new(const gchar *path)
2620 {
2621         if (pan_warning(path)) return;
2622
2623         pan_window_new_real(path);
2624 }
2625
2626
2627 /*
2628  *-----------------------------------------------------------------------------
2629  * menus
2630  *-----------------------------------------------------------------------------
2631  */
2632
2633 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2634
2635
2636 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2637 {
2638         PanWindow *pw = data;
2639         FileData *fd;
2640
2641         fd = pan_menu_click_fd(pw);
2642         if (fd)
2643                 {
2644                 pan_fullscreen_toggle(pw, TRUE);
2645                 view_window_new(fd);
2646                 }
2647 }
2648
2649 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2650 {
2651         PanWindow *pw;
2652         FileData *fd;
2653         gint n;
2654
2655         pw = submenu_item_get_data(widget);
2656         n = GPOINTER_TO_INT(data);
2657         if (!pw) return;
2658
2659         fd = pan_menu_click_fd(pw);
2660         if (fd)
2661                 {
2662                 if (!editor_window_flag_set(n))
2663                         {
2664                         pan_fullscreen_toggle(pw, TRUE);
2665                         }
2666                 start_editor_from_file(n, fd);
2667                 }
2668 }
2669
2670 static void pan_info_cb(GtkWidget *widget, gpointer data)
2671 {
2672         PanWindow *pw = data;
2673         FileData *fd;
2674
2675         fd = pan_menu_click_fd(pw);
2676         if (fd) info_window_new(fd, NULL);
2677 }
2678
2679 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2680 {
2681         PanWindow *pw = data;
2682
2683         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2684 }
2685
2686 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2687 {
2688         PanWindow *pw = data;
2689
2690         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2691 }
2692
2693 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2694 {
2695         PanWindow *pw = data;
2696
2697         image_zoom_set(pw->imd, 1.0);
2698 }
2699
2700 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2701 {
2702         PanWindow *pw = data;
2703         FileData *fd;
2704
2705         fd = pan_menu_click_fd(pw);
2706         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2707 }
2708
2709 static void pan_move_cb(GtkWidget *widget, gpointer data)
2710 {
2711         PanWindow *pw = data;
2712         FileData *fd;
2713
2714         fd = pan_menu_click_fd(pw);
2715         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2716 }
2717
2718 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2719 {
2720         PanWindow *pw = data;
2721         FileData *fd;
2722
2723         fd = pan_menu_click_fd(pw);
2724         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2725 }
2726
2727 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2728 {
2729         PanWindow *pw = data;
2730         FileData *fd;
2731
2732         fd = pan_menu_click_fd(pw);
2733         if (fd) file_util_delete(fd, NULL, pw->imd->widget);
2734 }
2735
2736 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2737 {
2738         PanWindow *pw = data;
2739
2740         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2741         pan_layout_update(pw);
2742 }
2743
2744 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2745 {
2746         PanWindow *pw = data;
2747
2748         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2749         /* fixme: sync info now */
2750 }
2751
2752 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2753 {
2754         PanWindow *pw = data;
2755
2756         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2757         /* fixme: sync info now */
2758 }
2759
2760 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2761 {
2762         PanWindow *pw = data;
2763
2764         pan_fullscreen_toggle(pw, FALSE);
2765 }
2766
2767 static void pan_close_cb(GtkWidget *widget, gpointer data)
2768 {
2769         PanWindow *pw = data;
2770
2771         pan_window_close(pw);
2772 }
2773
2774 static GtkWidget *pan_popup_menu(PanWindow *pw)
2775 {
2776         GtkWidget *menu;
2777         GtkWidget *submenu;
2778         GtkWidget *item;
2779         gint active;
2780
2781         active = (pw->click_pi != NULL);
2782
2783         menu = popup_menu_short_lived();
2784
2785         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2786                             G_CALLBACK(pan_zoom_in_cb), pw);
2787         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2788                             G_CALLBACK(pan_zoom_out_cb), pw);
2789         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2790                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2791         menu_item_add_divider(menu);
2792
2793         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw);
2794         gtk_widget_set_sensitive(item, active);
2795
2796         menu_item_add_stock_sensitive(menu, _("_Properties"), GTK_STOCK_PROPERTIES, active,
2797                                       G_CALLBACK(pan_info_cb), pw);
2798
2799         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2800                                       G_CALLBACK(pan_new_window_cb), pw);
2801
2802         menu_item_add_divider(menu);
2803         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2804                                       G_CALLBACK(pan_copy_cb), pw);
2805         menu_item_add_sensitive(menu, _("_Move..."), active,
2806                                 G_CALLBACK(pan_move_cb), pw);
2807         menu_item_add_sensitive(menu, _("_Rename..."), active,
2808                                 G_CALLBACK(pan_rename_cb), pw);
2809         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, active,
2810                                       G_CALLBACK(pan_delete_cb), pw);
2811
2812         menu_item_add_divider(menu);
2813         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2814                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2815         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2816
2817         menu_item_add_divider(menu);
2818
2819         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2820                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2821         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2822         submenu = gtk_menu_new();
2823         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2824
2825         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2826                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2827         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2828
2829         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2830                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2831         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2832
2833         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2834                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2835         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2836
2837         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2838                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2839         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2840
2841         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2842                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2843         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2844
2845         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2846                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2847         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2848
2849
2850
2851         menu_item_add_divider(menu);
2852
2853         if (pw->fs)
2854                 {
2855                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2856                 }
2857         else
2858                 {
2859                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2860                 }
2861
2862         menu_item_add_divider(menu);
2863         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2864
2865         return menu;
2866 }
2867
2868
2869 /*
2870  *-----------------------------------------------------------------------------
2871  * drag and drop
2872  *-----------------------------------------------------------------------------
2873  */
2874
2875 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2876                                     gint x, gint y,
2877                                     GtkSelectionData *selection_data, guint info,
2878                                     guint time, gpointer data)
2879 {
2880         PanWindow *pw = data;
2881
2882         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2883
2884         if (info == TARGET_URI_LIST)
2885                 {
2886                 GList *list;
2887
2888                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
2889                 if (list && isdir(((FileData *)list->data)->path))
2890                         {
2891                         FileData *fd = list->data;
2892
2893                         pan_layout_set_path(pw, fd->path);
2894                         }
2895
2896                 filelist_free(list);
2897                 }
2898 }
2899
2900 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2901                                     GtkSelectionData *selection_data, guint info,
2902                                     guint time, gpointer data)
2903 {
2904         PanWindow *pw = data;
2905         FileData *fd;
2906
2907         fd = pan_menu_click_fd(pw);
2908         if (fd)
2909                 {
2910                 gchar *text = NULL;
2911                 gint len;
2912                 gint plain_text;
2913                 GList *list;
2914
2915                 switch (info)
2916                         {
2917                         case TARGET_URI_LIST:
2918                                 plain_text = FALSE;
2919                                 break;
2920                         case TARGET_TEXT_PLAIN:
2921                         default:
2922                                 plain_text = TRUE;
2923                                 break;
2924                         }
2925                 list = g_list_append(NULL, fd);
2926                 text = uri_text_from_filelist(list, &len, plain_text);
2927                 g_list_free(list);
2928                 if (text)
2929                         {
2930                         gtk_selection_data_set (selection_data, selection_data->target,
2931                                                 8, (guchar *)text, len);
2932                         g_free(text);
2933                         }
2934                 }
2935         else
2936                 {
2937                 gtk_selection_data_set (selection_data, selection_data->target,
2938                                         8, NULL, 0);
2939                 }
2940 }
2941
2942 static void pan_window_dnd_init(PanWindow *pw)
2943 {
2944         GtkWidget *widget;
2945
2946         widget = pw->imd->pr;
2947
2948         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2949                             dnd_file_drag_types, dnd_file_drag_types_count,
2950                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2951         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2952                          G_CALLBACK(pan_window_set_dnd_data), pw);
2953
2954         gtk_drag_dest_set(widget,
2955                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2956                           dnd_file_drop_types, dnd_file_drop_types_count,
2957                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2958         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2959                          G_CALLBACK(pan_window_get_dnd_data), pw);
2960 }
2961
2962 /*
2963  *-----------------------------------------------------------------------------
2964  * maintenance (for rename, move, remove)
2965  *-----------------------------------------------------------------------------
2966  */
2967