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