src/pan-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "pan-view.h"
  16
  17 #include "bar_exif.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "exif.h"
  21 #include "fullscreen.h"
  22 #include "history_list.h"
  23 #include "img-view.h"
  24 #include "info.h"
  25 #include "menu.h"
  26 #include "pan-types.h"
  27 #include "thumb.h"
  28 #include "utilops.h"
  29 #include "ui_bookmark.h"
  30 #include "ui_fileops.h"
  31 #include "ui_menu.h"
  32 #include "ui_tabcomp.h"
  33 #include "ui_utildlg.h"
  34 #include "window.h"
  35
  36 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  37
  38 #include <math.h>
  39
  40
  41 #define PAN_WINDOW_DEFAULT_WIDTH 720
  42 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  43
  44 #define PAN_TILE_SIZE 512
  45
  46 #define ZOOM_INCREMENT 1.0
  47 #define ZOOM_LABEL_WIDTH 64
  48
  49
  50 #define PAN_PREF_GROUP          "pan_view_options"
  51 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  52 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  53 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  54 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  55
  56
  57 static GList *pan_window_list = NULL;
  58
  59
  60 static void pan_layout_update_idle(PanWindow *pw);
  61
  62 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off);
  63
  64 static void pan_search_toggle_visible(PanWindow *pw, gint enable);
  65 static void pan_search_activate(PanWindow *pw);
  66
  67 static void pan_window_close(PanWindow *pw);
  68
  69 static GtkWidget *pan_popup_menu(PanWindow *pw);
  70
  71 static void pan_window_dnd_init(PanWindow *pw);
  72
  73
  74 /*
  75  *-----------------------------------------------------------------------------
  76  * the image/thumb loader queue
  77  *-----------------------------------------------------------------------------
  78  */
  79
  80 static gint pan_queue_step(PanWindow *pw);
  81
  82
  83 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
  84 {
  85         PanWindow *pw = data;
  86
  87         if (pw->queue_pi)
  88                 {
  89                 PanItem *pi;
  90                 gint rc;
  91
  92                 pi = pw->queue_pi;
  93                 pw->queue_pi = NULL;
  94
  95                 pi->queued = FALSE;
  96
  97                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
  98                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
  99
 100                 rc = pi->refcount;
 101                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 102                 pi->refcount = rc;
 103                 }
 104
 105         thumb_loader_free(pw->tl);
 106         pw->tl = NULL;
 107
 108         while (pan_queue_step(pw));
 109 }
 110
 111 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 112 {
 113         PanWindow *pw = data;
 114
 115         if (pw->queue_pi)
 116                 {
 117                 PanItem *pi;
 118                 gint rc;
 119
 120                 pi = pw->queue_pi;
 121                 pw->queue_pi = NULL;
 122
 123                 pi->queued = FALSE;
 124
 125                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 126                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 127                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 128
 129                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 130                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 131                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 132                         {
 133                         GdkPixbuf *tmp;
 134
 135                         tmp = pi->pixbuf;
 136                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 137                                                              (GdkInterpType)options->image.zoom_quality);
 138                         g_object_unref(tmp);
 139                         }
 140
 141                 rc = pi->refcount;
 142                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 143                 pi->refcount = rc;
 144                 }
 145
 146         image_loader_free(pw->il);
 147         pw->il = NULL;
 148
 149         while (pan_queue_step(pw));
 150 }
 151
 152 #if 0
 153 static void pan_queue_image_area_cb(ImageLoader *il, guint x, guint y,
 154                                     guint width, guint height, gpointer data)
 155 {
 156         PanWindow *pw = data;
 157
 158         if (pw->queue_pi)
 159                 {
 160                 PanItem *pi;
 161                 gint rc;
 162
 163                 pi = pw->queue_pi;
 164
 165                 if (!pi->pixbuf)
 166                         {
 167                         pi->pixbuf = image_loader_get_pixbuf(pw->il);
 168                         if (pi->pixbuf) g_object_ref(pi->pixbuf);
 169                         }
 170
 171                 rc = pi->refcount;
 172                 image_area_changed(pw->imd, pi->x + x, pi->y + y, width, height);
 173                 pi->refcount = rc;
 174                 }
 175 }
 176 #endif
 177
 178 static gint pan_queue_step(PanWindow *pw)
 179 {
 180         PanItem *pi;
 181
 182         if (!pw->queue) return FALSE;
 183
 184         pi = pw->queue->data;
 185         pw->queue = g_list_remove(pw->queue, pi);
 186         pw->queue_pi = pi;
 187
 188         if (!pw->queue_pi->fd)
 189                 {
 190                 pw->queue_pi->queued = FALSE;
 191                 pw->queue_pi = NULL;
 192                 return TRUE;
 193                 }
 194
 195         image_loader_free(pw->il);
 196         pw->il = NULL;
 197         thumb_loader_free(pw->tl);
 198         pw->tl = NULL;
 199
 200         if (pi->type == PAN_ITEM_IMAGE)
 201                 {
 202                 pw->il = image_loader_new(pi->fd);
 203
 204                 if (pw->size != PAN_IMAGE_SIZE_100)
 205                         {
 206                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 207                         }
 208
 209 #if 0
 210                 image_loader_set_area_ready_func(pw->il, pan_queue_image_area_cb, pw);
 211 #endif
 212                 image_loader_set_error_func(pw->il, pan_queue_image_done_cb, pw);
 213
 214                 if (image_loader_start(pw->il, pan_queue_image_done_cb, pw)) return FALSE;
 215
 216                 image_loader_free(pw->il);
 217                 pw->il = NULL;
 218                 }
 219         else if (pi->type == PAN_ITEM_THUMB)
 220                 {
 221                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 222
 223                 if (!pw->tl->standard_loader)
 224                         {
 225                         /* The classic loader will recreate a thumbnail any time we
 226                          * request a different size than what exists. This view will
 227                          * almost never use the user configured sizes so disable cache.
 228                          */
 229                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 230                         }
 231
 232                 thumb_loader_set_callbacks(pw->tl,
 233                                            pan_queue_thumb_done_cb,
 234                                            pan_queue_thumb_done_cb,
 235                                            NULL, pw);
 236
 237                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 238
 239                 thumb_loader_free(pw->tl);
 240                 pw->tl = NULL;
 241                 }
 242
 243         pw->queue_pi->queued = FALSE;
 244         pw->queue_pi = NULL;
 245         return TRUE;
 246 }
 247
 248 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 249 {
 250         if (!pi || pi->queued || pi->pixbuf) return;
 251         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 252             (!pi->key || strcmp(pi->key, "info") != 0) )
 253                 {
 254                 return;
 255                 }
 256
 257         pi->queued = TRUE;
 258         pw->queue = g_list_prepend(pw->queue, pi);
 259
 260         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 261 }
 262
 263
 264 /*
 265  *-----------------------------------------------------------------------------
 266  * tile request/dispose handlers
 267  *-----------------------------------------------------------------------------
 268  */
 269
 270 static gint pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 271                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 272 {
 273         PanWindow *pw = data;
 274         GList *list;
 275         GList *work;
 276         gint i;
 277
 278         pixbuf_set_rect_fill(pixbuf,
 279                              0, 0, width, height,
 280                              PAN_BACKGROUND_COLOR, 255);
 281
 282         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 283                 {
 284                 gint rx, ry, rw, rh;
 285
 286                 if (util_clip_region(x, y, width, height,
 287                                      i, y, 1, height,
 288                                      &rx, &ry, &rw, &rh))
 289                         {
 290                         pixbuf_draw_rect_fill(pixbuf,
 291                                               rx - x, ry - y, rw, rh,
 292                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 293                         }
 294                 }
 295         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 296                 {
 297                 gint rx, ry, rw, rh;
 298
 299                 if (util_clip_region(x, y, width, height,
 300                                      x, i, width, 1,
 301                                      &rx, &ry, &rw, &rh))
 302                         {
 303                         pixbuf_draw_rect_fill(pixbuf,
 304                                               rx - x, ry - y, rw, rh,
 305                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 306                         }
 307                 }
 308
 309         list = pan_layout_intersect(pw, x, y, width, height);
 310         work = list;
 311         while (work)
 312                 {
 313                 PanItem *pi;
 314                 gint queue = FALSE;
 315
 316                 pi = work->data;
 317                 work = work->next;
 318
 319                 pi->refcount++;
 320
 321                 switch (pi->type)
 322                         {
 323                         case PAN_ITEM_BOX:
 324                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 325                                 break;
 326                         case PAN_ITEM_TRIANGLE:
 327                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 328                                 break;
 329                         case PAN_ITEM_TEXT:
 330                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 331                                 break;
 332                         case PAN_ITEM_THUMB:
 333                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 334                                 break;
 335                         case PAN_ITEM_IMAGE:
 336                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 337                                 break;
 338                         case PAN_ITEM_NONE:
 339                         default:
 340                                 break;
 341                         }
 342
 343                 if (queue) pan_queue_add(pw, pi);
 344                 }
 345
 346         g_list_free(list);
 347
 348 #if 0
 349         if (x%512 == 0 && y%512 == 0)
 350                 {
 351                 PangoLayout *layout;
 352                 gchar *buf;
 353
 354                 layout = gtk_widget_create_pango_layout((GtkWidget *)pr, NULL);
 355
 356                 buf = g_strdup_printf("%d,%d\n(#%d)", x, y,
 357                                       (x / pr->source_tile_width) +
 358                                       (y / pr->source_tile_height * (pr->image_width/pr->source_tile_width + 1)));
 359                 pango_layout_set_text(layout, buf, -1);
 360                 g_free(buf);
 361
 362                 pixbuf_draw_layout(pixbuf, layout, (GtkWidget *)pr, 0, 0, 0, 0, 0, 255);
 363
 364                 g_object_unref(G_OBJECT(layout));
 365                 }
 366 #endif
 367
 368         return TRUE;
 369 }
 370
 371 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 372                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 373 {
 374         PanWindow *pw = data;
 375         GList *list;
 376         GList *work;
 377
 378         list = pan_layout_intersect(pw, x, y, width, height);
 379         work = list;
 380         while (work)
 381                 {
 382                 PanItem *pi;
 383
 384                 pi = work->data;
 385                 work = work->next;
 386
 387                 if (pi->refcount > 0)
 388                         {
 389                         pi->refcount--;
 390
 391                         if (pi->refcount == 0)
 392                                 {
 393                                 if (pi->queued)
 394                                         {
 395                                         pw->queue = g_list_remove(pw->queue, pi);
 396                                         pi->queued = FALSE;
 397                                         }
 398                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 399                                 if (pi->pixbuf)
 400                                         {
 401                                         g_object_unref(pi->pixbuf);
 402                                         pi->pixbuf = NULL;
 403                                         }
 404                                 }
 405                         }
 406                 }
 407
 408         g_list_free(list);
 409 }
 410
 411
 412 /*
 413  *-----------------------------------------------------------------------------
 414  * misc
 415  *-----------------------------------------------------------------------------
 416  */
 417
 418 static void pan_window_message(PanWindow *pw, const gchar *text)
 419 {
 420         GList *work;
 421         gint count = 0;
 422         gint64 size = 0;
 423         gchar *ss;
 424         gchar *buf;
 425
 426         if (text)
 427                 {
 428                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 429                 return;
 430                 }
 431
 432         work = pw->list_static;
 433         if (pw->layout == PAN_LAYOUT_CALENDAR)
 434                 {
 435                 while (work)
 436                         {
 437                         PanItem *pi;
 438
 439                         pi = work->data;
 440                         work = work->next;
 441
 442                         if (pi->fd &&
 443                             pi->type == PAN_ITEM_BOX &&
 444                             pi->key && strcmp(pi->key, "dot") == 0)
 445                                 {
 446                                 size += pi->fd->size;
 447                                 count++;
 448                                 }
 449                         }
 450                 }
 451         else
 452                 {
 453                 while (work)
 454                         {
 455                         PanItem *pi;
 456
 457                         pi = work->data;
 458                         work = work->next;
 459
 460                         if (pi->fd &&
 461                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 462                                 {
 463                                 size += pi->fd->size;
 464                                 count++;
 465                                 }
 466                         }
 467                 }
 468
 469         ss = text_from_size_abrev(size);
 470         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 471         g_free(ss);
 472         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 473         g_free(buf);
 474 }
 475
 476 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 477 {
 478         gchar *message;
 479
 480         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 481         warning_dialog(_("Folder not supported"), message,
 482                       GTK_STOCK_DIALOG_INFO, parent);
 483         g_free(message);
 484 }
 485
 486 static void pan_window_zoom_limit(PanWindow *pw)
 487 {
 488         gdouble min;
 489
 490         switch (pw->size)
 491                 {
 492                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 493                 case PAN_IMAGE_SIZE_THUMB_NONE:
 494                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 495                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 496 #if 0
 497                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 498                         min = -16.0;
 499                         break;
 500 #endif
 501                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 502                         min = -6.0;
 503                         break;
 504                 case PAN_IMAGE_SIZE_10:
 505                 case PAN_IMAGE_SIZE_25:
 506                         min = -4.0;
 507                         break;
 508                 case PAN_IMAGE_SIZE_33:
 509                 case PAN_IMAGE_SIZE_50:
 510                 case PAN_IMAGE_SIZE_100:
 511                 default:
 512                         min = -2.0;
 513                         break;
 514                 }
 515
 516         image_zoom_set_limits(pw->imd, min, 32.0);
 517 }
 518
 519
 520 /*
 521  *-----------------------------------------------------------------------------
 522  * cache
 523  *-----------------------------------------------------------------------------
 524  */
 525
 526 static gint pan_cache_sort_file_cb(void *a, void *b)
 527 {
 528         PanCacheData *pca = a;
 529         PanCacheData *pcb = b;
 530         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 531 }
 532 GList *pan_cache_sort(GList *list, SortType method, gint ascend)
 533 {
 534         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 535 }
 536
 537
 538 static void pan_cache_free(PanWindow *pw)
 539 {
 540         GList *work;
 541
 542         work = pw->cache_list;
 543         while (work)
 544                 {
 545                 PanCacheData *pc;
 546
 547                 pc = work->data;
 548                 work = work->next;
 549
 550                 cache_sim_data_free(pc->cd);
 551                 file_data_unref(pc->fd);
 552                 g_free(pc);
 553                 }
 554
 555         g_list_free(pw->cache_list);
 556         pw->cache_list = NULL;
 557
 558         filelist_free(pw->cache_todo);
 559         pw->cache_todo = NULL;
 560
 561         pw->cache_count = 0;
 562         pw->cache_total = 0;
 563         pw->cache_tick = 0;
 564
 565         cache_loader_free(pw->cache_cl);
 566         pw->cache_cl = NULL;
 567 }
 568
 569 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 570 {
 571         GList *list;
 572
 573         pan_cache_free(pw);
 574
 575         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 576         pw->cache_todo = g_list_reverse(list);
 577
 578         pw->cache_total = g_list_length(pw->cache_todo);
 579 }
 580
 581 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 582 {
 583         PanWindow *pw = data;
 584
 585         if (pw->cache_list)
 586                 {
 587                 PanCacheData *pc;
 588                 pc = pw->cache_list->data;
 589
 590                 if (!pc->cd)
 591                         {
 592                         pc->cd = cl->cd;
 593                         cl->cd = NULL;
 594                         }
 595                 }
 596
 597         cache_loader_free(cl);
 598         pw->cache_cl = NULL;
 599
 600         pan_layout_update_idle(pw);
 601 }
 602
 603 static gint pan_cache_step(PanWindow *pw)
 604 {
 605         FileData *fd;
 606         PanCacheData *pc;
 607         CacheDataType load_mask;
 608
 609         if (!pw->cache_todo) return TRUE;
 610
 611         fd = pw->cache_todo->data;
 612         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 613
 614 #if 0
 615         if (enable_thumb_caching)
 616                 {
 617                 gchar *found;
 618
 619                 found = cache_find_location(CACHE_TYPE_SIM, fd->path);
 620                 if (found && filetime(found) == fd->date)
 621                         {
 622                         cd = cache_sim_data_load(found);
 623                         }
 624                 g_free(found);
 625                 }
 626
 627         if (!cd) cd = cache_sim_data_new();
 628
 629         if (!cd->dimensions)
 630                 {
 631                 cd->dimensions = image_load_dimensions(fd, &cd->width, &cd->height);
 632                 if (enable_thumb_caching &&
 633                     cd->dimensions)
 634                         {
 635                         gchar *base;
 636                         mode_t mode = 0755;
 637
 638                         base = cache_get_location(CACHE_TYPE_SIM, fd->path, FALSE, &mode);
 639                         if (cache_ensure_dir_exists(base, mode))
 640                                 {
 641                                 g_free(cd->path);
 642                                 cd->path = cache_get_location(CACHE_TYPE_SIM, fd->path, TRUE, NULL);
 643                                 if (cache_sim_data_save(cd))
 644                                         {
 645                                         filetime_set(cd->path, filetime(fd->path));
 646                                         }
 647                                 }
 648                         g_free(base);
 649                         }
 650
 651                 pw->cache_tick = 9;
 652                 }
 653 #endif
 654         pc = g_new0(PanCacheData, 1);
 655         pc->fd = file_data_ref(fd);
 656
 657         pc->cd = NULL;
 658
 659         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 660
 661         cache_loader_free(pw->cache_cl);
 662
 663         load_mask = CACHE_LOADER_NONE;
 664         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 665         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 666         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 667                                         pan_cache_step_done_cb, pw);
 668         return (pw->cache_cl == NULL);
 669 }
 670
 671 /* This sync date function is optimized for lists with a common sort */
 672 void pan_cache_sync_date(PanWindow *pw, GList *list)
 673 {
 674         GList *haystack;
 675         GList *work;
 676
 677         haystack = g_list_copy(pw->cache_list);
 678
 679         work = list;
 680         while (work)
 681                 {
 682                 FileData *fd;
 683                 GList *needle;
 684
 685                 fd = work->data;
 686                 work = work->next;
 687
 688                 needle = haystack;
 689                 while (needle)
 690                         {
 691                         PanCacheData *pc;
 692
 693                         pc = needle->data;
 694                         if (pc->fd == fd)
 695                                 {
 696                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 697                                         {
 698                                         fd->date = pc->cd->date;
 699                                         }
 700
 701                                 haystack = g_list_delete_link(haystack, needle);
 702                                 needle = NULL;
 703                                 }
 704                         else
 705                                 {
 706                                 needle = needle->next;
 707                                 }
 708                         }
 709                 }
 710
 711         g_list_free(haystack);
 712 }
 713
 714 /*
 715  *-----------------------------------------------------------------------------
 716  * item grid
 717  *-----------------------------------------------------------------------------
 718  */
 719
 720 static void pan_grid_clear(PanWindow *pw)
 721 {
 722         GList *work;
 723
 724         work = pw->list_grid;
 725         while (work)
 726                 {
 727                 PanGrid *pg;
 728
 729                 pg = work->data;
 730                 work = work->next;
 731
 732                 g_list_free(pg->list);
 733                 g_free(pg);
 734                 }
 735
 736         g_list_free(pw->list_grid);
 737         pw->list_grid = NULL;
 738
 739         pw->list = g_list_concat(pw->list, pw->list_static);
 740         pw->list_static = NULL;
 741 }
 742
 743 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 744 {
 745         GList *work;
 746         gint col, row;
 747         gint cw, ch;
 748         gint l;
 749         gdouble total;
 750         gdouble s;
 751         gdouble aw, ah;
 752         gint i, j;
 753
 754         pan_grid_clear(pw);
 755
 756         l = g_list_length(pw->list);
 757
 758         if (l < 1) return;
 759
 760         total = (gdouble)width * (gdouble)height / (gdouble)l;
 761         s = sqrt(total);
 762
 763         aw = (gdouble)width / s;
 764         ah = (gdouble)height / s;
 765
 766         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 767         col = CLAMP(col, 1, l / grid_size + 1);
 768         row = (gint)((gdouble)l / grid_size / col);
 769         if (row < 1) row = 1;
 770
 771         /* limit minimum size of grid so that a tile will always fit regardless of position */
 772         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 773         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 774
 775         row = row * 2 - 1;
 776         col = col * 2 - 1;
 777
 778         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 779
 780         for (j = 0; j < row; j++)
 781             for (i = 0; i < col; i++)
 782                 {
 783                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 784                         {
 785                         PanGrid *pg;
 786
 787                         pg = g_new0(PanGrid, 1);
 788                         pg->x = i * cw / 2;
 789                         pg->y = j * ch / 2;
 790                         pg->w = cw;
 791                         pg->h = ch;
 792                         pg->list = NULL;
 793
 794                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 795
 796                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 797                         }
 798                 }
 799
 800         work = pw->list;
 801         while (work)
 802                 {
 803                 PanItem *pi;
 804                 GList *grid;
 805
 806                 pi = work->data;
 807                 work = work->next;
 808
 809                 grid = pw->list_grid;
 810                 while (grid)
 811                         {
 812                         PanGrid *pg;
 813                         gint rx, ry, rw, rh;
 814
 815                         pg = grid->data;
 816                         grid = grid->next;
 817
 818                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 819                                              pg->x, pg->y, pg->w, pg->h,
 820                                              &rx, &ry, &rw, &rh))
 821                                 {
 822                                 pg->list = g_list_prepend(pg->list, pi);
 823                                 }
 824                         }
 825                 }
 826
 827         work = pw->list_grid;
 828         while (work)
 829                 {
 830                 PanGrid *pg;
 831
 832                 pg = work->data;
 833                 work = work->next;
 834
 835                 pg->list = g_list_reverse(pg->list);
 836                 }
 837
 838         pw->list_static = pw->list;
 839         pw->list = NULL;
 840 }
 841
 842
 843 /*
 844  *-----------------------------------------------------------------------------
 845  * layout state reset
 846  *-----------------------------------------------------------------------------
 847  */
 848
 849 static void pan_window_items_free(PanWindow *pw)
 850 {
 851         GList *work;
 852
 853         pan_grid_clear(pw);
 854
 855         work = pw->list;
 856         while (work)
 857                 {
 858                 PanItem *pi = work->data;
 859                 work = work->next;
 860
 861                 pan_item_free(pi);
 862                 }
 863
 864         g_list_free(pw->list);
 865         pw->list = NULL;
 866
 867         g_list_free(pw->queue);
 868         pw->queue = NULL;
 869         pw->queue_pi = NULL;
 870
 871         image_loader_free(pw->il);
 872         pw->il = NULL;
 873
 874         thumb_loader_free(pw->tl);
 875         pw->tl = NULL;
 876
 877         pw->click_pi = NULL;
 878         pw->search_pi = NULL;
 879 }
 880
 881
 882 /*
 883  *-----------------------------------------------------------------------------
 884  * layout generation, queries, sizing
 885  *-----------------------------------------------------------------------------
 886  */
 887
 888 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 889                                gint *width, gint *height,
 890                                gint *scroll_x, gint *scroll_y)
 891 {
 892         pan_window_items_free(pw);
 893
 894         switch (pw->size)
 895                 {
 896                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 897                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 898                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 899                         break;
 900                 case PAN_IMAGE_SIZE_THUMB_NONE:
 901                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 902                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 903                         break;
 904                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 905                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 906                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 907                         break;
 908                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 909                 default:
 910                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 911                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 912                         break;
 913                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 914                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 915                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 916                         break;
 917                 case PAN_IMAGE_SIZE_10:
 918                         pw->image_size = 10;
 919                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 920                         break;
 921                 case PAN_IMAGE_SIZE_25:
 922                         pw->image_size = 25;
 923                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 924                         break;
 925                 case PAN_IMAGE_SIZE_33:
 926                         pw->image_size = 33;
 927                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 928                         break;
 929                 case PAN_IMAGE_SIZE_50:
 930                         pw->image_size = 50;
 931                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 932                         break;
 933                 case PAN_IMAGE_SIZE_100:
 934                         pw->image_size = 100;
 935                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 936                         break;
 937                 }
 938
 939         *width = 0;
 940         *height = 0;
 941         *scroll_x = 0;
 942         *scroll_y = 0;
 943
 944         switch (pw->layout)
 945                 {
 946                 case PAN_LAYOUT_GRID:
 947                 default:
 948                         pan_grid_compute(pw, dir_fd, width, height);
 949                         break;
 950                 case PAN_LAYOUT_FOLDERS_LINEAR:
 951                         pan_folder_tree_compute(pw, dir_fd, width, height);
 952                         break;
 953                 case PAN_LAYOUT_FOLDERS_FLOWER:
 954                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 955                         break;
 956                 case PAN_LAYOUT_CALENDAR:
 957                         pan_calendar_compute(pw, dir_fd, width, height);
 958                         break;
 959                 case PAN_LAYOUT_TIMELINE:
 960                         pan_timeline_compute(pw, dir_fd, width, height);
 961                         break;
 962                 }
 963
 964         pan_cache_free(pw);
 965
 966         DEBUG_1("computed %d objects", g_list_length(pw->list));
 967 }
 968
 969 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 970                                      gint x, gint y, gint width, gint height)
 971 {
 972         GList *work;
 973
 974         work = item_list;
 975         while (work)
 976                 {
 977                 PanItem *pi;
 978                 gint rx, ry, rw, rh;
 979
 980                 pi = work->data;
 981                 work = work->next;
 982
 983                 if (util_clip_region(x, y, width, height,
 984                                      pi->x, pi->y, pi->width, pi->height,
 985                                      &rx, &ry, &rw, &rh))
 986                         {
 987                         list = g_list_prepend(list, pi);
 988                         }
 989                 }
 990
 991         return list;
 992 }
 993
 994 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 995 {
 996         GList *list = NULL;
 997         GList *grid;
 998         PanGrid *pg = NULL;
 999
1000         grid = pw->list_grid;
1001         while (grid && !pg)
1002                 {
1003                 pg = grid->data;
1004                 grid = grid->next;
1005
1006                 if (x < pg->x || x + width > pg->x + pg->w ||
1007                     y < pg->y || y + height > pg->y + pg->h)
1008                         {
1009                         pg = NULL;
1010                         }
1011                 }
1012
1013         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1014
1015         if (pg)
1016                 {
1017                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1018                 }
1019         else
1020                 {
1021                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1022                 }
1023
1024         return list;
1025 }
1026
1027 void pan_layout_resize(PanWindow *pw)
1028 {
1029         gint width = 0;
1030         gint height = 0;
1031         GList *work;
1032         PixbufRenderer *pr;
1033
1034         work = pw->list;
1035         while (work)
1036                 {
1037                 PanItem *pi;
1038
1039                 pi = work->data;
1040                 work = work->next;
1041
1042                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1043                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1044                 }
1045         work = pw->list_static;
1046         while (work)
1047                 {
1048                 PanItem *pi;
1049
1050                 pi = work->data;
1051                 work = work->next;
1052
1053                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1054                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1055                 }
1056
1057         width += PAN_BOX_BORDER * 2;
1058         height += PAN_BOX_BORDER * 2;
1059
1060         pr = PIXBUF_RENDERER(pw->imd->pr);
1061         if (width < pr->window_width) width = pr->window_width;
1062         if (height < pr->window_width) height = pr->window_height;
1063
1064         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1065 }
1066
1067 static gint pan_layout_update_idle_cb(gpointer data)
1068 {
1069         PanWindow *pw = data;
1070         gint width;
1071         gint height;
1072         gint scroll_x;
1073         gint scroll_y;
1074
1075         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1076             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1077                 {
1078                 if (!pw->cache_list && !pw->cache_todo)
1079                         {
1080                         pan_cache_fill(pw, pw->dir_fd);
1081                         if (pw->cache_todo)
1082                                 {
1083                                 pan_window_message(pw, _("Reading image data..."));
1084                                 return TRUE;
1085                                 }
1086                         }
1087                 if (pw->cache_todo)
1088                         {
1089                         pw->cache_count++;
1090                         pw->cache_tick++;
1091                         if (pw->cache_count == pw->cache_total)
1092                                 {
1093                                 pan_window_message(pw, _("Sorting..."));
1094                                 }
1095                         else if (pw->cache_tick > 9)
1096                                 {
1097                                 gchar *buf;
1098
1099                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1100                                                       pw->cache_count, pw->cache_total);
1101                                 pan_window_message(pw, buf);
1102                                 g_free(buf);
1103
1104                                 pw->cache_tick = 0;
1105                                 }
1106
1107                         if (pan_cache_step(pw)) return TRUE;
1108
1109                         pw->idle_id = -1;
1110                         return FALSE;
1111                         }
1112                 }
1113
1114         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1115
1116         pan_window_zoom_limit(pw);
1117
1118         if (width > 0 && height > 0)
1119                 {
1120                 gdouble align;
1121
1122                 DEBUG_1("Canvas size is %d x %d", width, height);
1123
1124                 pan_grid_build(pw, width, height, 1000);
1125
1126                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1127                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1128                                           pan_window_request_tile_cb,
1129                                           pan_window_dispose_tile_cb, pw, 1.0);
1130
1131                 if (scroll_x == 0 && scroll_y == 0)
1132                         {
1133                         align = 0.0;
1134                         }
1135                 else
1136                         {
1137                         align = 0.5;
1138                         }
1139                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1140                 }
1141
1142         pan_window_message(pw, NULL);
1143
1144         pw->idle_id = -1;
1145         return FALSE;
1146 }
1147
1148 static void pan_layout_update_idle(PanWindow *pw)
1149 {
1150         if (pw->idle_id == -1)
1151                 {
1152                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1153                 }
1154 }
1155
1156 static void pan_layout_update(PanWindow *pw)
1157 {
1158         pan_window_message(pw, _("Sorting images..."));
1159         pan_layout_update_idle(pw);
1160 }
1161
1162 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1163 {
1164         if (!dir_fd) return;
1165
1166         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1167                 {
1168                 pan_warning_folder(dir_fd->path, pw->window);
1169                 return;
1170                 }
1171
1172         file_data_unref(pw->dir_fd);
1173         pw->dir_fd = file_data_ref(dir_fd);
1174
1175         pan_layout_update(pw);
1176 }
1177
1178
1179 /*
1180  *-----------------------------------------------------------------------------
1181  * keyboard handlers
1182  *-----------------------------------------------------------------------------
1183  */
1184
1185 FileData *pan_menu_click_fd(PanWindow *pw)
1186 {
1187         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1188         return NULL;
1189 }
1190
1191 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1192 {
1193         PanWindow *pw = data;
1194
1195         gdk_window_get_origin(pw->imd->pr->window, x, y);
1196         popup_menu_position_clamp(menu, x, y, 0);
1197 }
1198
1199 static gint pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1200 {
1201         PanWindow *pw = data;
1202         PixbufRenderer *pr;
1203         FileData *fd;
1204         gint stop_signal = FALSE;
1205         GtkWidget *menu;
1206         gint x = 0;
1207         gint y = 0;
1208         gint focused;
1209         gint on_entry;
1210
1211         pr = PIXBUF_RENDERER(pw->imd->pr);
1212         fd = pan_menu_click_fd(pw);
1213
1214         focused = (pw->fs || GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(pw->imd->widget)));
1215         on_entry = (GTK_WIDGET_HAS_FOCUS(pw->path_entry) ||
1216                     GTK_WIDGET_HAS_FOCUS(pw->search_entry));
1217
1218         if (focused)
1219                 {
1220                 stop_signal = TRUE;
1221                 switch (event->keyval)
1222                         {
1223                         case GDK_Left: case GDK_KP_Left:
1224                                 x -= 1;
1225                                 break;
1226                         case GDK_Right: case GDK_KP_Right:
1227                                 x += 1;
1228                                 break;
1229                         case GDK_Up: case GDK_KP_Up:
1230                                 y -= 1;
1231                                 break;
1232                         case GDK_Down: case GDK_KP_Down:
1233                                 y += 1;
1234                                 break;
1235                         case GDK_Page_Up: case GDK_KP_Page_Up:
1236                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1237                                 break;
1238                         case GDK_Page_Down: case GDK_KP_Page_Down:
1239                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1240                                 break;
1241                         case GDK_Home: case GDK_KP_Home:
1242                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1243                                 break;
1244                         case GDK_End: case GDK_KP_End:
1245                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1246                                 break;
1247                         default:
1248                                 stop_signal = FALSE;
1249                                 break;
1250                         }
1251
1252                 if (x != 0 || y!= 0)
1253                         {
1254                         if (event->state & GDK_SHIFT_MASK)
1255                                 {
1256                                 x *= 3;
1257                                 y *= 3;
1258                                 }
1259                         keyboard_scroll_calc(&x, &y, event);
1260                         pixbuf_renderer_scroll(pr, x, y);
1261                         }
1262                 }
1263
1264         if (stop_signal) return stop_signal;
1265
1266         if (event->state & GDK_CONTROL_MASK)
1267                 {
1268                 gint n = -1;
1269
1270                 stop_signal = TRUE;
1271                 switch (event->keyval)
1272                         {
1273                         case '1':
1274                                 n = 0;
1275                                 break;
1276                         case '2':
1277                                 n = 1;
1278                                 break;
1279                         case '3':
1280                                 n = 2;
1281                                 break;
1282                         case '4':
1283                                 n = 3;
1284                                 break;
1285                         case '5':
1286                                 n = 4;
1287                                 break;
1288                         case '6':
1289                                 n = 5;
1290                                 break;
1291                         case '7':
1292                                 n = 6;
1293                                 break;
1294                         case '8':
1295                                 n = 7;
1296                                 break;
1297                         case '9':
1298                                 n = 8;
1299                                 break;
1300                         case '0':
1301                                 n = 9;
1302                                 break;
1303                         case 'C': case 'c':
1304                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1305                                 break;
1306                         case 'M': case 'm':
1307                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1308                                 break;
1309                         case 'R': case 'r':
1310                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1311                                 break;
1312                         case 'D': case 'd':
1313                                 if (fd) file_util_delete(fd, NULL, GTK_WIDGET(pr));
1314                                 break;
1315                         case 'P': case 'p':
1316                                 if (fd) info_window_new(fd, NULL, NULL);
1317                                 break;
1318                         case 'F': case 'f':
1319                                 pan_search_toggle_visible(pw, TRUE);
1320                                 break;
1321                         case 'G': case 'g':
1322                                 pan_search_activate(pw);
1323                                 break;
1324                         case 'W': case 'w':
1325                                 pan_window_close(pw);
1326                                 break;
1327                         default:
1328                                 stop_signal = FALSE;
1329                                 break;
1330                         }
1331
1332                 if (n != -1 && fd)
1333                         {
1334                         if (!editor_window_flag_set(n))
1335                                 {
1336                                 pan_fullscreen_toggle(pw, TRUE);
1337                                 }
1338                         file_util_start_editor_from_file(n, fd, GTK_WIDGET(pr));
1339                         }
1340                 }
1341         else
1342                 {
1343                 stop_signal = TRUE;
1344                 switch (event->keyval)
1345                         {
1346                         case GDK_Escape:
1347                                 if (pw->fs)
1348                                         {
1349                                         pan_fullscreen_toggle(pw, TRUE);
1350                                         }
1351                                 else
1352                                         {
1353                                         pan_search_toggle_visible(pw, FALSE);
1354                                         }
1355                                 break;
1356                         default:
1357                                 stop_signal = FALSE;
1358                                 break;
1359                         }
1360
1361                 if (stop_signal) return stop_signal;
1362
1363                 if (!on_entry)
1364                         {
1365                         stop_signal = TRUE;
1366                         switch (event->keyval)
1367                                 {
1368                                 case '+': case '=': case GDK_KP_Add:
1369                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1370                                         break;
1371                                 case '-': case GDK_KP_Subtract:
1372                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1373                                         break;
1374                                 case 'Z': case 'z': case GDK_KP_Divide: case '1':
1375                                         pixbuf_renderer_zoom_set(pr, 1.0);
1376                                         break;
1377                                 case '2':
1378                                         pixbuf_renderer_zoom_set(pr, 2.0);
1379                                         break;
1380                                 case '3':
1381                                         pixbuf_renderer_zoom_set(pr, 3.0);
1382                                         break;
1383                                 case '4':
1384                                         pixbuf_renderer_zoom_set(pr, 4.0);
1385                                         break;
1386                                 case '7':
1387                                         pixbuf_renderer_zoom_set(pr, -4.0);
1388                                         break;
1389                                 case '8':
1390                                         pixbuf_renderer_zoom_set(pr, -3.0);
1391                                         break;
1392                                 case '9':
1393                                         pixbuf_renderer_zoom_set(pr, -2.0);
1394                                         break;
1395                                 case 'F': case 'f':
1396                                 case 'V': case 'v':
1397                                 case GDK_F11:
1398                                         pan_fullscreen_toggle(pw, FALSE);
1399                                         break;
1400                                 case 'I': case 'i':
1401 #if 0
1402                                         pan_overlay_toggle(pw);
1403 #endif
1404                                         break;
1405                                 case GDK_Delete: case GDK_KP_Delete:
1406                                         break;
1407                                 case GDK_Menu:
1408                                 case GDK_F10:
1409                                         menu = pan_popup_menu(pw);
1410                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1411                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1412                                         break;
1413                                 case '/':
1414                                         pan_search_toggle_visible(pw, TRUE);
1415                                         break;
1416                                 default:
1417                                         stop_signal = FALSE;
1418                                         break;
1419                                 }
1420                         }
1421                 }
1422
1423         return stop_signal;
1424 }
1425
1426 /*
1427  *-----------------------------------------------------------------------------
1428  * info popup
1429  *-----------------------------------------------------------------------------
1430  */
1431
1432 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1433 {
1434         ExifData *exif;
1435         GList *work;
1436         gint i;
1437
1438         if (!fd) return;
1439         exif = exif_read_fd(fd);
1440         if (!exif) return;
1441
1442         pan_text_alignment_add(ta, NULL, NULL);
1443
1444         for (i = 0; ExifUIList[i].key; i++)
1445                 {
1446                 gchar *label;
1447                 gchar *text;
1448                 gchar *utf8_text;
1449
1450                 if (ExifUIList[i].current == EXIF_UI_OFF) continue;
1451
1452                 text = exif_get_data_as_text(exif, ExifUIList[i].key);
1453                 if (ExifUIList[i].current == EXIF_UI_IFSET && (!text || !*text))
1454                         {
1455                         g_free(text);
1456                         continue;
1457                         }
1458
1459                 label = g_strdup_printf("%s:", exif_get_description_by_key(ExifUIList[i].key));
1460                 utf8_text = utf8_validate_or_convert(text);
1461                 g_free(text);
1462                 pan_text_alignment_add(ta, label, utf8_text);
1463                 g_free(label);
1464                 g_free(utf8_text);
1465                 }
1466
1467         work = g_list_last(history_list_get_by_key("exif_extras"));
1468         if (work) pan_text_alignment_add(ta, "---", NULL);
1469         while (work)
1470                 {
1471                 const gchar *name;
1472                 gchar *text;
1473
1474                 name = work->data;
1475                 work = work->prev;
1476
1477                 text = exif_get_data_as_text(exif, name);
1478                 if (text)
1479                         {
1480                         gchar *label = g_strdup_printf("%s:", name);
1481                         gchar *utf8_text = utf8_validate_or_convert(text);
1482
1483                         g_free(text);
1484                         pan_text_alignment_add(ta, label, utf8_text);
1485                         g_free(label);
1486                         g_free(utf8_text);
1487                         }
1488                 }
1489
1490         exif_free_fd(fd, exif);
1491 }
1492
1493 static void pan_info_update(PanWindow *pw, PanItem *pi)
1494 {
1495         PanTextAlignment *ta;
1496         PanItem *pbox;
1497         PanItem *p;
1498         gchar *buf;
1499         gint x1, y1, x2, y2, x3, y3;
1500         gint x, y, w, h;
1501
1502         if (pw->click_pi == pi) return;
1503         if (pi && !pi->fd) pi = NULL;
1504
1505         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1506         pw->click_pi = pi;
1507
1508         if (!pi) return;
1509
1510         DEBUG_1("info set to %s", pi->fd->path);
1511
1512         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1513                                 PAN_POPUP_BORDER,
1514                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1515                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1516         pan_item_set_key(pbox, "info");
1517
1518         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1519                 {
1520                 w = gdk_pixbuf_get_width(pi->pixbuf);
1521                 h = gdk_pixbuf_get_height(pi->pixbuf);
1522
1523                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1524                 y1 = pi->y + (pi->height - h) / 2 + 8;
1525                 }
1526         else
1527                 {
1528                 x1 = pi->x + pi->width - 8;
1529                 y1 = pi->y + 8;
1530                 }
1531
1532         x2 = pbox->x + 1;
1533         y2 = pbox->y + 36;
1534         x3 = pbox->x + 1;
1535         y3 = pbox->y + 12;
1536         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1537                            &x, &y, &w, &h);
1538
1539         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1540                              x1, y1, x2, y2, x3, y3,
1541                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1542         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1543         pan_item_set_key(p, "info");
1544         pan_item_added(pw, p);
1545
1546         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1547
1548         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1549         buf = remove_level_from_path(pi->fd->path);
1550         pan_text_alignment_add(ta, _("Location:"), buf);
1551         g_free(buf);
1552         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1553         buf = text_from_size(pi->fd->size);
1554         pan_text_alignment_add(ta, _("Size:"), buf);
1555         g_free(buf);
1556
1557         if (pw->info_includes_exif)
1558                 {
1559                 pan_info_add_exif(ta, pi->fd);
1560                 }
1561
1562         pan_text_alignment_calc(ta, pbox);
1563         pan_text_alignment_free(ta);
1564
1565         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1566         pan_item_added(pw, pbox);
1567
1568         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1569                 {
1570                 gint iw, ih;
1571                 if (image_load_dimensions(pi->fd, &iw, &ih))
1572                         {
1573                         gint scale = 25;
1574
1575                         switch (pw->info_image_size)
1576                                 {
1577                                 case PAN_IMAGE_SIZE_10:
1578                                         scale = 10;
1579                                         break;
1580                                 case PAN_IMAGE_SIZE_25:
1581                                         scale = 25;
1582                                         break;
1583                                 case PAN_IMAGE_SIZE_33:
1584                                         scale = 33;
1585                                         break;
1586                                 case PAN_IMAGE_SIZE_50:
1587                                         scale = 50;
1588                                         break;
1589                                 case PAN_IMAGE_SIZE_100:
1590                                         scale = 100;
1591                                         break;
1592                                 }
1593
1594                         iw = MAX(1, iw * scale / 100);
1595                         ih = MAX(1, ih * scale / 100);
1596
1597                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1598                                                 PAN_POPUP_BORDER,
1599                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1600                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1601                         pan_item_set_key(pbox, "info");
1602
1603                         p = pan_item_image_new(pw, file_data_new_simple(pi->fd->path),
1604                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1605                         pan_item_set_key(p, "info");
1606                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1607
1608                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1609                         pan_item_added(pw, pbox);
1610                         }
1611                 }
1612
1613         pan_layout_resize(pw);
1614 }
1615
1616
1617 /*
1618  *-----------------------------------------------------------------------------
1619  * search
1620  *-----------------------------------------------------------------------------
1621  */
1622
1623 static void pan_search_status(PanWindow *pw, const gchar *text)
1624 {
1625         gtk_label_set_text(GTK_LABEL(pw->search_label), (text) ? text : "");
1626 }
1627
1628 static gint pan_search_by_path(PanWindow *pw, const gchar *path)
1629 {
1630         PanItem *pi;
1631         GList *list;
1632         GList *found;
1633         PanItemType type;
1634         gchar *buf;
1635
1636         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1637
1638         list = pan_item_find_by_path(pw, type, path, FALSE, FALSE);
1639         if (!list) return FALSE;
1640
1641         found = g_list_find(list, pw->click_pi);
1642         if (found && found->next)
1643                 {
1644                 found = found->next;
1645                 pi = found->data;
1646                 }
1647         else
1648                 {
1649                 pi = list->data;
1650                 }
1651
1652         pan_info_update(pw, pi);
1653         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1654
1655         buf = g_strdup_printf("%s ( %d / %d )",
1656                               (path[0] == G_DIR_SEPARATOR) ? _("path found") : _("filename found"),
1657                               g_list_index(list, pi) + 1,
1658                               g_list_length(list));
1659         pan_search_status(pw, buf);
1660         g_free(buf);
1661
1662         g_list_free(list);
1663
1664         return TRUE;
1665 }
1666
1667 static gint pan_search_by_partial(PanWindow *pw, const gchar *text)
1668 {
1669         PanItem *pi;
1670         GList *list;
1671         GList *found;
1672         PanItemType type;
1673         gchar *buf;
1674
1675         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1676
1677         list = pan_item_find_by_path(pw, type, text, TRUE, FALSE);
1678         if (!list) list = pan_item_find_by_path(pw, type, text, FALSE, TRUE);
1679         if (!list)
1680                 {
1681                 gchar *needle;
1682
1683                 needle = g_utf8_strdown(text, -1);
1684                 list = pan_item_find_by_path(pw, type, needle, TRUE, TRUE);
1685                 g_free(needle);
1686                 }
1687         if (!list) return FALSE;
1688
1689         found = g_list_find(list, pw->click_pi);
1690         if (found && found->next)
1691                 {
1692                 found = found->next;
1693                 pi = found->data;
1694                 }
1695         else
1696                 {
1697                 pi = list->data;
1698                 }
1699
1700         pan_info_update(pw, pi);
1701         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1702
1703         buf = g_strdup_printf("%s ( %d / %d )",
1704                               _("partial match"),
1705                               g_list_index(list, pi) + 1,
1706                               g_list_length(list));
1707         pan_search_status(pw, buf);
1708         g_free(buf);
1709
1710         g_list_free(list);
1711
1712         return TRUE;
1713 }
1714
1715 static gint valid_date_separator(gchar c)
1716 {
1717         return (c == '/' || c == '-' || c == ' ' || c == '.' || c == ',');
1718 }
1719
1720 static GList *pan_search_by_date_val(PanWindow *pw, PanItemType type,
1721                                      gint year, gint month, gint day,
1722                                      const gchar *key)
1723 {
1724         GList *list = NULL;
1725         GList *work;
1726
1727         work = g_list_last(pw->list_static);
1728         while (work)
1729                 {
1730                 PanItem *pi;
1731
1732                 pi = work->data;
1733                 work = work->prev;
1734
1735                 if (pi->fd && (pi->type == type || type == PAN_ITEM_NONE) &&
1736                     ((!key && !pi->key) || (key && pi->key && strcmp(key, pi->key) == 0)))
1737                         {
1738                         struct tm *tl;
1739
1740                         tl = localtime(&pi->fd->date);
1741                         if (tl)
1742                                 {
1743                                 gint match;
1744
1745                                 match = (tl->tm_year == year - 1900);
1746                                 if (match && month >= 0) match = (tl->tm_mon == month - 1);
1747                                 if (match && day > 0) match = (tl->tm_mday == day);
1748
1749                                 if (match) list = g_list_prepend(list, pi);
1750                                 }
1751                         }
1752                 }
1753
1754         return g_list_reverse(list);
1755 }
1756
1757 static gint pan_search_by_date(PanWindow *pw, const gchar *text)
1758 {
1759         PanItem *pi = NULL;
1760         GList *list = NULL;
1761         GList *found;
1762         gint year;
1763         gint month = -1;
1764         gint day = -1;
1765         gchar *ptr;
1766         gchar *mptr;
1767         struct tm *lt;
1768         time_t t;
1769         gchar *message;
1770         gchar *buf;
1771         gchar *buf_count;
1772
1773         if (!text) return FALSE;
1774
1775         ptr = (gchar *)text;
1776         while (*ptr != '\0')
1777                 {
1778                 if (!g_unichar_isdigit(*ptr) && !valid_date_separator(*ptr)) return FALSE;
1779                 ptr++;
1780                 }
1781
1782         t = time(NULL);
1783         if (t == -1) return FALSE;
1784         lt = localtime(&t);
1785         if (!lt) return FALSE;
1786
1787         if (valid_date_separator(*text))
1788                 {
1789                 year = -1;
1790                 mptr = (gchar *)text;
1791                 }
1792         else
1793                 {
1794                 year = (gint)strtol(text, &mptr, 10);
1795                 if (mptr == text) return FALSE;
1796                 }
1797
1798         if (*mptr != '\0' && valid_date_separator(*mptr))
1799                 {
1800                 gchar *dptr;
1801
1802                 mptr++;
1803                 month = strtol(mptr, &dptr, 10);
1804                 if (dptr == mptr)
1805                         {
1806                         if (valid_date_separator(*dptr))
1807                                 {
1808                                 month = lt->tm_mon + 1;
1809                                 dptr++;
1810                                 }
1811                         else
1812                                 {
1813                                 month = -1;
1814                                 }
1815                         }
1816                 if (dptr != mptr && *dptr != '\0' && valid_date_separator(*dptr))
1817                         {
1818                         gchar *eptr;
1819                         dptr++;
1820                         day = strtol(dptr, &eptr, 10);
1821                         if (dptr == eptr)
1822                                 {
1823                                 day = lt->tm_mday;
1824                                 }
1825                         }
1826                 }
1827
1828         if (year == -1)
1829                 {
1830                 year = lt->tm_year + 1900;
1831                 }
1832         else if (year < 100)
1833                 {
1834                 if (year > 70)
1835                         year+= 1900;
1836                 else
1837                         year+= 2000;
1838                 }
1839
1840         if (year < 1970 ||
1841             month < -1 || month == 0 || month > 12 ||
1842             day < -1 || day == 0 || day > 31) return FALSE;
1843
1844         t = pan_date_to_time(year, month, day);
1845         if (t < 0) return FALSE;
1846
1847         if (pw->layout == PAN_LAYOUT_CALENDAR)
1848                 {
1849                 list = pan_search_by_date_val(pw, PAN_ITEM_BOX, year, month, day, "day");
1850                 }
1851         else
1852                 {
1853                 PanItemType type;
1854
1855                 type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1856                 list = pan_search_by_date_val(pw, type, year, month, day, NULL);
1857                 }
1858
1859         if (list)
1860                 {
1861                 found = g_list_find(list, pw->search_pi);
1862                 if (found && found->next)
1863                         {
1864                         found = found->next;
1865                         pi = found->data;
1866                         }
1867                 else
1868                         {
1869                         pi = list->data;
1870                         }
1871                 }
1872
1873         pw->search_pi = pi;
1874
1875         if (pw->layout == PAN_LAYOUT_CALENDAR && pi && pi->type == PAN_ITEM_BOX)
1876                 {
1877                 pan_info_update(pw, NULL);
1878                 pan_calendar_update(pw, pi);
1879                 image_scroll_to_point(pw->imd,
1880                                       pi->x + pi->width / 2,
1881                                       pi->y + pi->height / 2, 0.5, 0.5);
1882                 }
1883         else if (pi)
1884                 {
1885                 pan_info_update(pw, pi);
1886                 image_scroll_to_point(pw->imd,
1887                                       pi->x - PAN_BOX_BORDER * 5 / 2,
1888                                       pi->y, 0.0, 0.5);
1889                 }
1890
1891         if (month > 0)
1892                 {
1893                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_MONTH);
1894                 if (day > 0)
1895                         {
1896                         gchar *tmp;
1897                         tmp = buf;
1898                         buf = g_strdup_printf("%d %s", day, tmp);
1899                         g_free(tmp);
1900                         }
1901                 }
1902         else
1903                 {
1904                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_YEAR);
1905                 }
1906
1907         if (pi)
1908                 {
1909                 buf_count = g_strdup_printf("( %d / %d )",
1910                                             g_list_index(list, pi) + 1,
1911                                             g_list_length(list));
1912                 }
1913         else
1914                 {
1915                 buf_count = g_strdup_printf("(%s)", _("no match"));
1916                 }
1917
1918         message = g_strdup_printf("%s %s %s", _("Date:"), buf, buf_count);
1919         g_free(buf);
1920         g_free(buf_count);
1921         pan_search_status(pw, message);
1922         g_free(message);
1923
1924         g_list_free(list);
1925
1926         return TRUE;
1927 }
1928
1929 static void pan_search_activate_cb(const gchar *text, gpointer data)
1930 {
1931         PanWindow *pw = data;
1932
1933         if (!text) return;
1934
1935         tab_completion_append_to_history(pw->search_entry, text);
1936
1937         if (pan_search_by_path(pw, text)) return;
1938
1939         if ((pw->layout == PAN_LAYOUT_TIMELINE ||
1940              pw->layout == PAN_LAYOUT_CALENDAR) &&
1941             pan_search_by_date(pw, text))
1942                 {
1943                 return;
1944                 }
1945
1946         if (pan_search_by_partial(pw, text)) return;
1947
1948         pan_search_status(pw, _("no match"));
1949 }
1950
1951 static void pan_search_activate(PanWindow *pw)
1952 {
1953         gchar *text;
1954
1955 #if 0
1956         if (!GTK_WIDGET_VISIBLE(pw->search_box))
1957                 {
1958                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
1959                 }
1960 #endif
1961
1962         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->search_entry)));
1963         pan_search_activate_cb(text, pw);
1964         g_free(text);
1965 }
1966
1967 static void pan_search_toggle_cb(GtkWidget *button, gpointer data)
1968 {
1969         PanWindow *pw = data;
1970         gint visible;
1971
1972         visible = GTK_WIDGET_VISIBLE(pw->search_box);
1973         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)) == visible) return;
1974
1975         if (visible)
1976                 {
1977                 gtk_widget_hide(pw->search_box);
1978                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_UP, GTK_SHADOW_NONE);
1979                 }
1980         else
1981                 {
1982                 gtk_widget_show(pw->search_box);
1983                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE);
1984                 gtk_widget_grab_focus(pw->search_entry);
1985                 }
1986 }
1987
1988 static void pan_search_toggle_visible(PanWindow *pw, gint enable)
1989 {
1990         if (pw->fs) return;
1991
1992         if (enable)
1993                 {
1994                 if (GTK_WIDGET_VISIBLE(pw->search_box))
1995                         {
1996                         gtk_widget_grab_focus(pw->search_entry);
1997                         }
1998                 else
1999                         {
2000                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
2001                         }
2002                 }
2003         else
2004                 {
2005                 if (GTK_WIDGET_VISIBLE(pw->search_entry))
2006                         {
2007                         if (GTK_WIDGET_HAS_FOCUS(pw->search_entry))
2008                                 {
2009                                 gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2010                                 }
2011                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), FALSE);
2012                         }
2013                 }
2014 }
2015
2016
2017 /*
2018  *-----------------------------------------------------------------------------
2019  * main window
2020  *-----------------------------------------------------------------------------
2021  */
2022
2023 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
2024 {
2025         PanWindow *pw = data;
2026         PanItem *pi = NULL;
2027         GtkWidget *menu;
2028         gint rx, ry;
2029
2030         rx = ry = 0;
2031         if (pr->scale)
2032                 {
2033                 rx = (double)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
2034                 ry = (double)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
2035                 }
2036
2037         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
2038         if (pi && event->button == MOUSE_BUTTON_LEFT)
2039                 {
2040                 pan_info_update(pw, NULL);
2041                 return;
2042                 }
2043
2044         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
2045                                     rx, ry, NULL);
2046
2047         switch (event->button)
2048                 {
2049                 case MOUSE_BUTTON_LEFT:
2050                         pan_info_update(pw, pi);
2051
2052                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
2053                                 {
2054                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
2055                                 pan_calendar_update(pw, pi);
2056                                 }
2057                         break;
2058                 case MOUSE_BUTTON_MIDDLE:
2059                         break;
2060                 case MOUSE_BUTTON_RIGHT:
2061                         pan_info_update(pw, pi);
2062                         menu = pan_popup_menu(pw);
2063                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
2064                         break;
2065                 default:
2066                         break;
2067                 }
2068 }
2069
2070 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
2071 {
2072 #if 0
2073         PanWindow *pw = data;
2074 #endif
2075         gint w, h;
2076
2077         w = pr->vis_width;
2078         h = pr->vis_height;
2079
2080         if (!(event->state & GDK_SHIFT_MASK))
2081                 {
2082                 w /= 3;
2083                 h /= 3;
2084                 }
2085
2086         if (event->state & GDK_CONTROL_MASK)
2087                 {
2088                 switch (event->direction)
2089                         {
2090                         case GDK_SCROLL_UP:
2091                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
2092                                                                      (gint)event->x, (gint)event->y);
2093                                 break;
2094                         case GDK_SCROLL_DOWN:
2095                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
2096                                                                      (gint)event->x, (gint)event->y);
2097                                 break;
2098                         default:
2099                                 break;
2100                         }
2101                 }
2102         else
2103                 {
2104                 switch (event->direction)
2105                         {
2106                         case GDK_SCROLL_UP:
2107                                 pixbuf_renderer_scroll(pr, 0, -h);
2108                                 break;
2109                         case GDK_SCROLL_DOWN:
2110                                 pixbuf_renderer_scroll(pr, 0, h);
2111                                 break;
2112                         case GDK_SCROLL_LEFT:
2113                                 pixbuf_renderer_scroll(pr, -w, 0);
2114                                 break;
2115                         case GDK_SCROLL_RIGHT:
2116                                 pixbuf_renderer_scroll(pr, w, 0);
2117                                 break;
2118                         default:
2119                                 break;
2120                         }
2121                 }
2122 }
2123
2124 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
2125 {
2126         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2127                          G_CALLBACK(button_cb), pw);
2128         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2129                          G_CALLBACK(scroll_cb), pw);
2130 }
2131
2132 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
2133 {
2134         PanWindow *pw = data;
2135
2136         pw->fs = NULL;
2137         pw->imd = pw->imd_normal;
2138 }
2139
2140 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off)
2141 {
2142         if (force_off && !pw->fs) return;
2143
2144         if (pw->fs)
2145                 {
2146                 fullscreen_stop(pw->fs);
2147                 }
2148         else
2149                 {
2150                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
2151                 pan_image_set_buttons(pw, pw->fs->imd);
2152                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
2153                                  G_CALLBACK(pan_window_key_press_cb), pw);
2154
2155                 pw->imd = pw->fs->imd;
2156                 }
2157 }
2158
2159 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
2160 {
2161         PanWindow *pw = data;
2162         gchar *text;
2163
2164         text = image_zoom_get_as_text(pw->imd);
2165         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
2166         g_free(text);
2167 }
2168
2169 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
2170 {
2171         PanWindow *pw = data;
2172         GtkAdjustment *adj;
2173         GdkRectangle rect;
2174         gint width, height;
2175
2176         if (pr->scale == 0.0) return;
2177
2178         pixbuf_renderer_get_visible_rect(pr, &rect);
2179         pixbuf_renderer_get_image_size(pr, &width, &height);
2180
2181         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
2182         adj->page_size = (gdouble)rect.width;
2183         adj->page_increment = adj->page_size / 2.0;
2184         adj->step_increment = 48.0 / pr->scale;
2185         adj->lower = 0.0;
2186         adj->upper = MAX((gdouble)width, 1.0);
2187         adj->value = (gdouble)rect.x;
2188
2189         pref_signal_block_data(pw->scrollbar_h, pw);
2190         gtk_adjustment_changed(adj);
2191         gtk_adjustment_value_changed(adj);
2192         pref_signal_unblock_data(pw->scrollbar_h, pw);
2193
2194         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
2195         adj->page_size = (gdouble)rect.height;
2196         adj->page_increment = adj->page_size / 2.0;
2197         adj->step_increment = 48.0 / pr->scale;
2198         adj->lower = 0.0;
2199         adj->upper = MAX((gdouble)height, 1.0);
2200         adj->value = (gdouble)rect.y;
2201
2202         pref_signal_block_data(pw->scrollbar_v, pw);
2203         gtk_adjustment_changed(adj);
2204         gtk_adjustment_value_changed(adj);
2205         pref_signal_unblock_data(pw->scrollbar_v, pw);
2206 }
2207
2208 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
2209 {
2210         PanWindow *pw = data;
2211         PixbufRenderer *pr;
2212         gint x;
2213
2214         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2215
2216         if (!pr->scale) return;
2217
2218         x = (gint)gtk_range_get_value(range);
2219
2220         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
2221 }
2222
2223 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
2224 {
2225         PanWindow *pw = data;
2226         PixbufRenderer *pr;
2227         gint y;
2228
2229         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2230
2231         if (!pr->scale) return;
2232
2233         y = (gint)gtk_range_get_value(range);
2234
2235         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
2236 }
2237
2238 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
2239 {
2240         PanWindow *pw = data;
2241
2242         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2243         pan_layout_update(pw);
2244 }
2245
2246 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
2247 {
2248         PanWindow *pw = data;
2249
2250         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2251         pan_layout_update(pw);
2252 }
2253
2254 #if 0
2255 static void pan_window_date_toggle_cb(GtkWidget *button, gpointer data)
2256 {
2257         PanWindow *pw = data;
2258
2259         pw->exif_date_enable = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2260         pan_layout_update(pw);
2261 }
2262 #endif
2263
2264 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
2265 {
2266         PanWindow *pw = data;
2267         gchar *path;
2268
2269         path = remove_trailing_slash(new_text);
2270         parse_out_relatives(path);
2271
2272         if (!isdir(path))
2273                 {
2274                 warning_dialog(_("Folder not found"),
2275                                _("The entered path is not a folder"),
2276                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
2277                 }
2278         else
2279                 {
2280                 FileData *dir_fd = file_data_new_simple(path);
2281                 tab_completion_append_to_history(pw->path_entry, path);
2282
2283                 pan_layout_set_fd(pw, dir_fd);
2284                 file_data_unref(dir_fd);
2285                 }
2286
2287         g_free(path);
2288 }
2289
2290 static void pan_window_entry_change_cb(GtkWidget *combo, gpointer data)
2291 {
2292         PanWindow *pw = data;
2293         gchar *text;
2294
2295         if (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)) < 0) return;
2296
2297         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->path_entry)));
2298         pan_window_entry_activate_cb(text, pw);
2299         g_free(text);
2300 }
2301
2302 static void pan_window_close(PanWindow *pw)
2303 {
2304         pan_window_list = g_list_remove(pan_window_list, pw);
2305
2306         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
2307         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
2308         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
2309
2310         if (pw->idle_id != -1)
2311                 {
2312                 g_source_remove(pw->idle_id);
2313                 }
2314
2315         pan_fullscreen_toggle(pw, TRUE);
2316         gtk_widget_destroy(pw->window);
2317
2318         pan_window_items_free(pw);
2319         pan_cache_free(pw);
2320
2321         file_data_unref(pw->dir_fd);
2322
2323         g_free(pw);
2324 }
2325
2326 static gint pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
2327 {
2328         PanWindow *pw = data;
2329
2330         pan_window_close(pw);
2331         return TRUE;
2332 }
2333
2334 static void pan_window_new_real(FileData *dir_fd)
2335 {
2336         PanWindow *pw;
2337         GtkWidget *vbox;
2338         GtkWidget *box;
2339         GtkWidget *combo;
2340         GtkWidget *hbox;
2341         GtkWidget *frame;
2342         GtkWidget *table;
2343         GdkGeometry geometry;
2344
2345         pw = g_new0(PanWindow, 1);
2346
2347         pw->dir_fd = file_data_ref(dir_fd);
2348         pw->layout = PAN_LAYOUT_TIMELINE;
2349         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
2350         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
2351         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
2352
2353         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
2354                 {
2355                 pw->exif_date_enable = FALSE;
2356                 }
2357         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
2358                 {
2359                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
2360                 }
2361         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
2362                 {
2363                 pw->info_includes_exif = TRUE;
2364                 }
2365
2366         pw->ignore_symlinks = TRUE;
2367
2368         pw->list = NULL;
2369         pw->list_static = NULL;
2370         pw->list_grid = NULL;
2371
2372         pw->fs = NULL;
2373         pw->overlay_id = -1;
2374         pw->idle_id = -1;
2375
2376         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
2377
2378         geometry.min_width = 8;
2379         geometry.min_height = 8;
2380         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
2381
2382         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
2383         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
2384
2385         vbox = gtk_vbox_new(FALSE, 0);
2386         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
2387         gtk_widget_show(vbox);
2388
2389         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
2390
2391         pref_spacer(box, 0);
2392         pref_label_new(box, _("Location:"));
2393         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
2394                                                 pan_window_entry_activate_cb, pw);
2395         g_signal_connect(G_OBJECT(pw->path_entry->parent), "changed",
2396                          G_CALLBACK(pan_window_entry_change_cb), pw);
2397         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
2398         gtk_widget_show(combo);
2399
2400         combo = gtk_combo_box_new_text();
2401         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Timeline"));
2402         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Calendar"));
2403         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders"));
2404         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders (flower)"));
2405         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Grid"));
2406
2407         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
2408         g_signal_connect(G_OBJECT(combo), "changed",
2409                          G_CALLBACK(pan_window_layout_change_cb), pw);
2410         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2411         gtk_widget_show(combo);
2412
2413         combo = gtk_combo_box_new_text();
2414         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Dots"));
2415         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("No Images"));
2416         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Small Thumbnails"));
2417         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Normal Thumbnails"));
2418         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Large Thumbnails"));
2419         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:10 (10%)"));
2420         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:4 (25%)"));
2421         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:3 (33%)"));
2422         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:2 (50%)"));
2423         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:1 (100%)"));
2424
2425         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
2426         g_signal_connect(G_OBJECT(combo), "changed",
2427                          G_CALLBACK(pan_window_layout_size_cb), pw);
2428         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2429         gtk_widget_show(combo);
2430
2431         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
2432         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
2433         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
2434
2435         pw->imd = image_new(TRUE);
2436         pw->imd_normal = pw->imd;
2437
2438         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
2439                          G_CALLBACK(pan_window_image_zoom_cb), pw);
2440         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
2441                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
2442
2443         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
2444                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
2445         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
2446
2447         pan_window_dnd_init(pw);
2448
2449         pan_image_set_buttons(pw, pw->imd);
2450
2451         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
2452         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
2453                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
2454         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
2455                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
2456         gtk_widget_show(pw->scrollbar_h);
2457
2458         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
2459         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
2460                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
2461         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
2462                          0, GTK_FILL | GTK_EXPAND, 0, 0);
2463         gtk_widget_show(pw->scrollbar_v);
2464
2465         /* find bar */
2466
2467         pw->search_box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2468         gtk_box_pack_start(GTK_BOX(vbox), pw->search_box, FALSE, FALSE, 2);
2469
2470         pref_spacer(pw->search_box, 0);
2471         pref_label_new(pw->search_box, _("Find:"));
2472
2473         hbox = gtk_hbox_new(TRUE, PREF_PAD_SPACE);
2474         gtk_box_pack_start(GTK_BOX(pw->search_box), hbox, TRUE, TRUE, 0);
2475         gtk_widget_show(hbox);
2476
2477         combo = tab_completion_new_with_history(&pw->search_entry, "", "pan_view_search", -1,
2478                                                 pan_search_activate_cb, pw);
2479         gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 0);
2480         gtk_widget_show(combo);
2481
2482         pw->search_label = gtk_label_new("");
2483         gtk_box_pack_start(GTK_BOX(hbox), pw->search_label, TRUE, TRUE, 0);
2484         gtk_widget_show(pw->search_label);
2485
2486         /* status bar */
2487
2488         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2489
2490         frame = gtk_frame_new(NULL);
2491         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2492         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2493         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
2494         gtk_widget_show(frame);
2495
2496         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2497         gtk_container_add(GTK_CONTAINER(frame), hbox);
2498         gtk_widget_show(hbox);
2499
2500         pref_spacer(hbox, 0);
2501         pw->label_message = pref_label_new(hbox, "");
2502
2503         frame = gtk_frame_new(NULL);
2504         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2505         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2506         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2507         gtk_widget_show(frame);
2508
2509         pw->label_zoom = gtk_label_new("");
2510         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2511         gtk_widget_show(pw->label_zoom);
2512
2513 #if 0
2514         pw->date_button = pref_checkbox_new(box, _("Use Exif date"), pw->exif_date_enable,
2515                                             G_CALLBACK(pan_window_date_toggle_cb), pw);
2516 #endif
2517
2518         pw->search_button = gtk_toggle_button_new();
2519         gtk_button_set_relief(GTK_BUTTON(pw->search_button), GTK_RELIEF_NONE);
2520         gtk_button_set_focus_on_click(GTK_BUTTON(pw->search_button), FALSE);
2521         hbox = gtk_hbox_new(FALSE, PREF_PAD_GAP);
2522         gtk_container_add(GTK_CONTAINER(pw->search_button), hbox);
2523         gtk_widget_show(hbox);
2524         pw->search_button_arrow = gtk_arrow_new(GTK_ARROW_UP, GTK_SHADOW_NONE);
2525         gtk_box_pack_start(GTK_BOX(hbox), pw->search_button_arrow, FALSE, FALSE, 0);
2526         gtk_widget_show(pw->search_button_arrow);
2527         pref_label_new(hbox, _("Find"));
2528
2529         gtk_box_pack_end(GTK_BOX(box), pw->search_button, FALSE, FALSE, 0);
2530         gtk_widget_show(pw->search_button);
2531         g_signal_connect(G_OBJECT(pw->search_button), "clicked",
2532                          G_CALLBACK(pan_search_toggle_cb), pw);
2533
2534         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2535                          G_CALLBACK(pan_window_delete_cb), pw);
2536         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2537                          G_CALLBACK(pan_window_key_press_cb), pw);
2538
2539         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2540
2541         pan_layout_update(pw);
2542
2543         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2544         gtk_widget_show(pw->window);
2545
2546         pan_window_list = g_list_append(pan_window_list, pw);
2547 }
2548
2549 /*
2550  *-----------------------------------------------------------------------------
2551  * peformance warnings
2552  *-----------------------------------------------------------------------------
2553  */
2554
2555 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2556 {
2557         FileData *dir_fd = data;
2558
2559         generic_dialog_close(gd);
2560
2561         pan_window_new_real(dir_fd);
2562         file_data_unref(dir_fd);
2563 }
2564
2565 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
2566 {
2567         gint hide_dlg;
2568
2569         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2570         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2571 }
2572
2573 static gint pan_warning(FileData *dir_fd)
2574 {
2575         GenericDialog *gd;
2576         GtkWidget *box;
2577         GtkWidget *group;
2578         GtkWidget *button;
2579         GtkWidget *ct_button;
2580         gint hide_dlg;
2581
2582         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2583                 {
2584                 pan_warning_folder(dir_fd->path, NULL);
2585                 return TRUE;
2586                 }
2587
2588         if (options->thumbnails.enable_caching &&
2589             options->thumbnails.spec_standard) return FALSE;
2590
2591         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2592         if (hide_dlg) return FALSE;
2593
2594         gd = generic_dialog_new(_("Pan View Performance"), GQ_WMCLASS, "pan_view_warning", NULL, FALSE,
2595                                 NULL, NULL);
2596         gd->data = file_data_ref(dir_fd);
2597         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2598                                   pan_warning_ok_cb, TRUE);
2599
2600         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2601                                          _("Pan view performance may be poor."),
2602                                          _("To improve performance of thumbnails in the pan view the"
2603                                            " following options can be enabled. Note that both options"
2604                                            " must be enabled to notice a change in performance."));
2605
2606         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2607         pref_spacer(group, PREF_PAD_INDENT);
2608         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2609
2610         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2611                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2612         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2613                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2614         pref_checkbox_link_sensitivity(ct_button, button);
2615
2616         pref_line(box, 0);
2617
2618         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2619                           G_CALLBACK(pan_warning_hide_cb), NULL);
2620
2621         gtk_widget_show(gd->dialog);
2622
2623         return TRUE;
2624 }
2625
2626
2627 /*
2628  *-----------------------------------------------------------------------------
2629  * entry point
2630  *-----------------------------------------------------------------------------
2631  */
2632
2633 void pan_window_new(FileData *dir_fd)
2634 {
2635         if (pan_warning(dir_fd)) return;
2636
2637         pan_window_new_real(dir_fd);
2638 }
2639
2640
2641 /*
2642  *-----------------------------------------------------------------------------
2643  * menus
2644  *-----------------------------------------------------------------------------
2645  */
2646
2647 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2648
2649
2650 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2651 {
2652         PanWindow *pw = data;
2653         FileData *fd;
2654
2655         fd = pan_menu_click_fd(pw);
2656         if (fd)
2657                 {
2658                 pan_fullscreen_toggle(pw, TRUE);
2659                 view_window_new(fd);
2660                 }
2661 }
2662
2663 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2664 {
2665         PanWindow *pw;
2666         FileData *fd;
2667         gint n;
2668
2669         pw = submenu_item_get_data(widget);
2670         n = GPOINTER_TO_INT(data);
2671         if (!pw) return;
2672
2673         fd = pan_menu_click_fd(pw);
2674         if (fd)
2675                 {
2676                 if (!editor_window_flag_set(n))
2677                         {
2678                         pan_fullscreen_toggle(pw, TRUE);
2679                         }
2680                 file_util_start_editor_from_file(n, fd, pw->imd->widget);
2681                 }
2682 }
2683
2684 static void pan_info_cb(GtkWidget *widget, gpointer data)
2685 {
2686         PanWindow *pw = data;
2687         FileData *fd;
2688
2689         fd = pan_menu_click_fd(pw);
2690         if (fd) info_window_new(fd, NULL, NULL);
2691 }
2692
2693 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2694 {
2695         PanWindow *pw = data;
2696
2697         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2698 }
2699
2700 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2701 {
2702         PanWindow *pw = data;
2703
2704         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2705 }
2706
2707 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2708 {
2709         PanWindow *pw = data;
2710
2711         image_zoom_set(pw->imd, 1.0);
2712 }
2713
2714 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2715 {
2716         PanWindow *pw = data;
2717         FileData *fd;
2718
2719         fd = pan_menu_click_fd(pw);
2720         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2721 }
2722
2723 static void pan_move_cb(GtkWidget *widget, gpointer data)
2724 {
2725         PanWindow *pw = data;
2726         FileData *fd;
2727
2728         fd = pan_menu_click_fd(pw);
2729         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2730 }
2731
2732 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2733 {
2734         PanWindow *pw = data;
2735         FileData *fd;
2736
2737         fd = pan_menu_click_fd(pw);
2738         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2739 }
2740
2741 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2742 {
2743         PanWindow *pw = data;
2744         FileData *fd;
2745
2746         fd = pan_menu_click_fd(pw);
2747         if (fd) file_util_delete(fd, NULL, pw->imd->widget);
2748 }
2749
2750 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2751 {
2752         PanWindow *pw = data;
2753         FileData *fd;
2754
2755         fd = pan_menu_click_fd(pw);
2756         if (fd) file_util_copy_path_to_clipboard(fd);
2757 }
2758
2759 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2760 {
2761         PanWindow *pw = data;
2762
2763         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2764         pan_layout_update(pw);
2765 }
2766
2767 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2768 {
2769         PanWindow *pw = data;
2770
2771         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2772         /* fixme: sync info now */
2773 }
2774
2775 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2776 {
2777         PanWindow *pw = data;
2778
2779         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2780         /* fixme: sync info now */
2781 }
2782
2783 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2784 {
2785         PanWindow *pw = data;
2786
2787         pan_fullscreen_toggle(pw, FALSE);
2788 }
2789
2790 static void pan_close_cb(GtkWidget *widget, gpointer data)
2791 {
2792         PanWindow *pw = data;
2793
2794         pan_window_close(pw);
2795 }
2796
2797 static GtkWidget *pan_popup_menu(PanWindow *pw)
2798 {
2799         GtkWidget *menu;
2800         GtkWidget *submenu;
2801         GtkWidget *item;
2802         gint active;
2803
2804         active = (pw->click_pi != NULL);
2805
2806         menu = popup_menu_short_lived();
2807
2808         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2809                             G_CALLBACK(pan_zoom_in_cb), pw);
2810         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2811                             G_CALLBACK(pan_zoom_out_cb), pw);
2812         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2813                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2814         menu_item_add_divider(menu);
2815
2816         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw);
2817         gtk_widget_set_sensitive(item, active);
2818
2819         menu_item_add_stock_sensitive(menu, _("_Properties"), GTK_STOCK_PROPERTIES, active,
2820                                       G_CALLBACK(pan_info_cb), pw);
2821
2822         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2823                                       G_CALLBACK(pan_new_window_cb), pw);
2824
2825         menu_item_add_divider(menu);
2826         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2827                                       G_CALLBACK(pan_copy_cb), pw);
2828         menu_item_add_sensitive(menu, _("_Move..."), active,
2829                                 G_CALLBACK(pan_move_cb), pw);
2830         menu_item_add_sensitive(menu, _("_Rename..."), active,
2831                                 G_CALLBACK(pan_rename_cb), pw);
2832         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, active,
2833                                       G_CALLBACK(pan_delete_cb), pw);
2834         if (options->show_copy_path)
2835                 menu_item_add_sensitive(menu, _("_Copy path"), active,
2836                                         G_CALLBACK(pan_copy_path_cb), pw);
2837
2838         menu_item_add_divider(menu);
2839         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2840                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2841         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2842
2843         menu_item_add_divider(menu);
2844
2845         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2846                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2847         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2848         submenu = gtk_menu_new();
2849         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2850
2851         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2852                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2853         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2854
2855         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2856                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2857         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2858
2859         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2860                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2861         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2862
2863         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2864                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2865         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2866
2867         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2868                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2869         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2870
2871         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2872                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2873         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2874
2875
2876
2877         menu_item_add_divider(menu);
2878
2879         if (pw->fs)
2880                 {
2881                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2882                 }
2883         else
2884                 {
2885                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2886                 }
2887
2888         menu_item_add_divider(menu);
2889         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2890
2891         return menu;
2892 }
2893
2894
2895 /*
2896  *-----------------------------------------------------------------------------
2897  * drag and drop
2898  *-----------------------------------------------------------------------------
2899  */
2900
2901 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2902                                     gint x, gint y,
2903                                     GtkSelectionData *selection_data, guint info,
2904                                     guint time, gpointer data)
2905 {
2906         PanWindow *pw = data;
2907
2908         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2909
2910         if (info == TARGET_URI_LIST)
2911                 {
2912                 GList *list;
2913
2914                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
2915                 if (list && isdir(((FileData *)list->data)->path))
2916                         {
2917                         FileData *fd = list->data;
2918
2919                         pan_layout_set_fd(pw, fd);
2920                         }
2921
2922                 filelist_free(list);
2923                 }
2924 }
2925
2926 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2927                                     GtkSelectionData *selection_data, guint info,
2928                                     guint time, gpointer data)
2929 {
2930         PanWindow *pw = data;
2931         FileData *fd;
2932
2933         fd = pan_menu_click_fd(pw);
2934         if (fd)
2935                 {
2936                 gchar *text = NULL;
2937                 gint len;
2938                 gint plain_text;
2939                 GList *list;
2940
2941                 switch (info)
2942                         {
2943                         case TARGET_URI_LIST:
2944                                 plain_text = FALSE;
2945                                 break;
2946                         case TARGET_TEXT_PLAIN:
2947                         default:
2948                                 plain_text = TRUE;
2949                                 break;
2950                         }
2951                 list = g_list_append(NULL, fd);
2952                 text = uri_text_from_filelist(list, &len, plain_text);
2953                 g_list_free(list);
2954                 if (text)
2955                         {
2956                         gtk_selection_data_set(selection_data, selection_data->target,
2957                                                8, (guchar *)text, len);
2958                         g_free(text);
2959                         }
2960                 }
2961         else
2962                 {
2963                 gtk_selection_data_set(selection_data, selection_data->target,
2964                                        8, NULL, 0);
2965                 }
2966 }
2967
2968 static void pan_window_dnd_init(PanWindow *pw)
2969 {
2970         GtkWidget *widget;
2971
2972         widget = pw->imd->pr;
2973
2974         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2975                             dnd_file_drag_types, dnd_file_drag_types_count,
2976                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2977         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2978                          G_CALLBACK(pan_window_set_dnd_data), pw);
2979
2980         gtk_drag_dest_set(widget,
2981                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2982                           dnd_file_drop_types, dnd_file_drop_types_count,
2983                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2984         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2985                          G_CALLBACK(pan_window_get_dnd_data), pw);
2986 }
2987
2988 /*
2989  *-----------------------------------------------------------------------------
2990  * maintenance (for rename, move, remove)
2991  *-----------------------------------------------------------------------------
2992  */