src/pan-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "pan-view.h"
  16
  17 #include "bar_exif.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "exif.h"
  21 #include "fullscreen.h"
  22 #include "history_list.h"
  23 #include "img-view.h"
  24 #include "info.h"
  25 #include "menu.h"
  26 #include "misc.h"
  27 #include "pan-types.h"
  28 #include "thumb.h"
  29 #include "ui_fileops.h"
  30 #include "ui_menu.h"
  31 #include "ui_tabcomp.h"
  32 #include "ui_utildlg.h"
  33 #include "uri_utils.h"
  34 #include "utilops.h"
  35 #include "window.h"
  36
  37 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  38
  39 #include <math.h>
  40
  41
  42 #define PAN_WINDOW_DEFAULT_WIDTH 720
  43 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  44
  45 #define PAN_TILE_SIZE 512
  46
  47 #define ZOOM_INCREMENT 1.0
  48 #define ZOOM_LABEL_WIDTH 64
  49
  50
  51 #define PAN_PREF_GROUP          "pan_view_options"
  52 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  53 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  54 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  55 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  56
  57
  58 static GList *pan_window_list = NULL;
  59
  60
  61 static void pan_layout_update_idle(PanWindow *pw);
  62
  63 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off);
  64
  65 static void pan_search_toggle_visible(PanWindow *pw, gint enable);
  66 static void pan_search_activate(PanWindow *pw);
  67
  68 static void pan_window_close(PanWindow *pw);
  69
  70 static GtkWidget *pan_popup_menu(PanWindow *pw);
  71
  72 static void pan_window_dnd_init(PanWindow *pw);
  73
  74
  75 /*
  76  *-----------------------------------------------------------------------------
  77  * the image/thumb loader queue
  78  *-----------------------------------------------------------------------------
  79  */
  80
  81 static gint pan_queue_step(PanWindow *pw);
  82
  83
  84 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
  85 {
  86         PanWindow *pw = data;
  87
  88         if (pw->queue_pi)
  89                 {
  90                 PanItem *pi;
  91                 gint rc;
  92
  93                 pi = pw->queue_pi;
  94                 pw->queue_pi = NULL;
  95
  96                 pi->queued = FALSE;
  97
  98                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
  99                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 100
 101                 rc = pi->refcount;
 102                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 103                 pi->refcount = rc;
 104                 }
 105
 106         thumb_loader_free(pw->tl);
 107         pw->tl = NULL;
 108
 109         while (pan_queue_step(pw));
 110 }
 111
 112 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 113 {
 114         PanWindow *pw = data;
 115
 116         if (pw->queue_pi)
 117                 {
 118                 PanItem *pi;
 119                 gint rc;
 120
 121                 pi = pw->queue_pi;
 122                 pw->queue_pi = NULL;
 123
 124                 pi->queued = FALSE;
 125
 126                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 127                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 128                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 129
 130                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 131                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 132                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 133                         {
 134                         GdkPixbuf *tmp;
 135
 136                         tmp = pi->pixbuf;
 137                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 138                                                              (GdkInterpType)options->image.zoom_quality);
 139                         g_object_unref(tmp);
 140                         }
 141
 142                 rc = pi->refcount;
 143                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 144                 pi->refcount = rc;
 145                 }
 146
 147         image_loader_free(pw->il);
 148         pw->il = NULL;
 149
 150         while (pan_queue_step(pw));
 151 }
 152
 153 #if 0
 154 static void pan_queue_image_area_cb(ImageLoader *il, guint x, guint y,
 155                                     guint width, guint height, gpointer data)
 156 {
 157         PanWindow *pw = data;
 158
 159         if (pw->queue_pi)
 160                 {
 161                 PanItem *pi;
 162                 gint rc;
 163
 164                 pi = pw->queue_pi;
 165
 166                 if (!pi->pixbuf)
 167                         {
 168                         pi->pixbuf = image_loader_get_pixbuf(pw->il);
 169                         if (pi->pixbuf) g_object_ref(pi->pixbuf);
 170                         }
 171
 172                 rc = pi->refcount;
 173                 image_area_changed(pw->imd, pi->x + x, pi->y + y, width, height);
 174                 pi->refcount = rc;
 175                 }
 176 }
 177 #endif
 178
 179 static gint pan_queue_step(PanWindow *pw)
 180 {
 181         PanItem *pi;
 182
 183         if (!pw->queue) return FALSE;
 184
 185         pi = pw->queue->data;
 186         pw->queue = g_list_remove(pw->queue, pi);
 187         pw->queue_pi = pi;
 188
 189         if (!pw->queue_pi->fd)
 190                 {
 191                 pw->queue_pi->queued = FALSE;
 192                 pw->queue_pi = NULL;
 193                 return TRUE;
 194                 }
 195
 196         image_loader_free(pw->il);
 197         pw->il = NULL;
 198         thumb_loader_free(pw->tl);
 199         pw->tl = NULL;
 200
 201         if (pi->type == PAN_ITEM_IMAGE)
 202                 {
 203                 pw->il = image_loader_new(pi->fd);
 204
 205                 if (pw->size != PAN_IMAGE_SIZE_100)
 206                         {
 207                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 208                         }
 209
 210 #if 0
 211                 image_loader_set_area_ready_func(pw->il, pan_queue_image_area_cb, pw);
 212 #endif
 213                 g_signal_connect (G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 214                 g_signal_connect (G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 215
 216                 if (image_loader_start(pw->il)) return FALSE;
 217
 218                 image_loader_free(pw->il);
 219                 pw->il = NULL;
 220                 }
 221         else if (pi->type == PAN_ITEM_THUMB)
 222                 {
 223                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 224
 225                 if (!pw->tl->standard_loader)
 226                         {
 227                         /* The classic loader will recreate a thumbnail any time we
 228                          * request a different size than what exists. This view will
 229                          * almost never use the user configured sizes so disable cache.
 230                          */
 231                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 232                         }
 233
 234                 thumb_loader_set_callbacks(pw->tl,
 235                                            pan_queue_thumb_done_cb,
 236                                            pan_queue_thumb_done_cb,
 237                                            NULL, pw);
 238
 239                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 240
 241                 thumb_loader_free(pw->tl);
 242                 pw->tl = NULL;
 243                 }
 244
 245         pw->queue_pi->queued = FALSE;
 246         pw->queue_pi = NULL;
 247         return TRUE;
 248 }
 249
 250 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 251 {
 252         if (!pi || pi->queued || pi->pixbuf) return;
 253         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 254             (!pi->key || strcmp(pi->key, "info") != 0) )
 255                 {
 256                 return;
 257                 }
 258
 259         pi->queued = TRUE;
 260         pw->queue = g_list_prepend(pw->queue, pi);
 261
 262         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 263 }
 264
 265
 266 /*
 267  *-----------------------------------------------------------------------------
 268  * tile request/dispose handlers
 269  *-----------------------------------------------------------------------------
 270  */
 271
 272 static gint pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 273                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 274 {
 275         PanWindow *pw = data;
 276         GList *list;
 277         GList *work;
 278         gint i;
 279
 280         pixbuf_set_rect_fill(pixbuf,
 281                              0, 0, width, height,
 282                              PAN_BACKGROUND_COLOR, 255);
 283
 284         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 285                 {
 286                 gint rx, ry, rw, rh;
 287
 288                 if (util_clip_region(x, y, width, height,
 289                                      i, y, 1, height,
 290                                      &rx, &ry, &rw, &rh))
 291                         {
 292                         pixbuf_draw_rect_fill(pixbuf,
 293                                               rx - x, ry - y, rw, rh,
 294                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 295                         }
 296                 }
 297         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 298                 {
 299                 gint rx, ry, rw, rh;
 300
 301                 if (util_clip_region(x, y, width, height,
 302                                      x, i, width, 1,
 303                                      &rx, &ry, &rw, &rh))
 304                         {
 305                         pixbuf_draw_rect_fill(pixbuf,
 306                                               rx - x, ry - y, rw, rh,
 307                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 308                         }
 309                 }
 310
 311         list = pan_layout_intersect(pw, x, y, width, height);
 312         work = list;
 313         while (work)
 314                 {
 315                 PanItem *pi;
 316                 gint queue = FALSE;
 317
 318                 pi = work->data;
 319                 work = work->next;
 320
 321                 pi->refcount++;
 322
 323                 switch (pi->type)
 324                         {
 325                         case PAN_ITEM_BOX:
 326                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 327                                 break;
 328                         case PAN_ITEM_TRIANGLE:
 329                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 330                                 break;
 331                         case PAN_ITEM_TEXT:
 332                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 333                                 break;
 334                         case PAN_ITEM_THUMB:
 335                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 336                                 break;
 337                         case PAN_ITEM_IMAGE:
 338                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 339                                 break;
 340                         case PAN_ITEM_NONE:
 341                         default:
 342                                 break;
 343                         }
 344
 345                 if (queue) pan_queue_add(pw, pi);
 346                 }
 347
 348         g_list_free(list);
 349
 350 #if 0
 351         if (x%512 == 0 && y%512 == 0)
 352                 {
 353                 PangoLayout *layout;
 354                 gchar *buf;
 355
 356                 layout = gtk_widget_create_pango_layout((GtkWidget *)pr, NULL);
 357
 358                 buf = g_strdup_printf("%d,%d\n(#%d)", x, y,
 359                                       (x / pr->source_tile_width) +
 360                                       (y / pr->source_tile_height * (pr->image_width/pr->source_tile_width + 1)));
 361                 pango_layout_set_text(layout, buf, -1);
 362                 g_free(buf);
 363
 364                 pixbuf_draw_layout(pixbuf, layout, (GtkWidget *)pr, 0, 0, 0, 0, 0, 255);
 365
 366                 g_object_unref(G_OBJECT(layout));
 367                 }
 368 #endif
 369
 370         return TRUE;
 371 }
 372
 373 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 374                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 375 {
 376         PanWindow *pw = data;
 377         GList *list;
 378         GList *work;
 379
 380         list = pan_layout_intersect(pw, x, y, width, height);
 381         work = list;
 382         while (work)
 383                 {
 384                 PanItem *pi;
 385
 386                 pi = work->data;
 387                 work = work->next;
 388
 389                 if (pi->refcount > 0)
 390                         {
 391                         pi->refcount--;
 392
 393                         if (pi->refcount == 0)
 394                                 {
 395                                 if (pi->queued)
 396                                         {
 397                                         pw->queue = g_list_remove(pw->queue, pi);
 398                                         pi->queued = FALSE;
 399                                         }
 400                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 401                                 if (pi->pixbuf)
 402                                         {
 403                                         g_object_unref(pi->pixbuf);
 404                                         pi->pixbuf = NULL;
 405                                         }
 406                                 }
 407                         }
 408                 }
 409
 410         g_list_free(list);
 411 }
 412
 413
 414 /*
 415  *-----------------------------------------------------------------------------
 416  * misc
 417  *-----------------------------------------------------------------------------
 418  */
 419
 420 static void pan_window_message(PanWindow *pw, const gchar *text)
 421 {
 422         GList *work;
 423         gint count = 0;
 424         gint64 size = 0;
 425         gchar *ss;
 426         gchar *buf;
 427
 428         if (text)
 429                 {
 430                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 431                 return;
 432                 }
 433
 434         work = pw->list_static;
 435         if (pw->layout == PAN_LAYOUT_CALENDAR)
 436                 {
 437                 while (work)
 438                         {
 439                         PanItem *pi;
 440
 441                         pi = work->data;
 442                         work = work->next;
 443
 444                         if (pi->fd &&
 445                             pi->type == PAN_ITEM_BOX &&
 446                             pi->key && strcmp(pi->key, "dot") == 0)
 447                                 {
 448                                 size += pi->fd->size;
 449                                 count++;
 450                                 }
 451                         }
 452                 }
 453         else
 454                 {
 455                 while (work)
 456                         {
 457                         PanItem *pi;
 458
 459                         pi = work->data;
 460                         work = work->next;
 461
 462                         if (pi->fd &&
 463                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 464                                 {
 465                                 size += pi->fd->size;
 466                                 count++;
 467                                 }
 468                         }
 469                 }
 470
 471         ss = text_from_size_abrev(size);
 472         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 473         g_free(ss);
 474         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 475         g_free(buf);
 476 }
 477
 478 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 479 {
 480         gchar *message;
 481
 482         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 483         warning_dialog(_("Folder not supported"), message,
 484                       GTK_STOCK_DIALOG_INFO, parent);
 485         g_free(message);
 486 }
 487
 488 static void pan_window_zoom_limit(PanWindow *pw)
 489 {
 490         gdouble min;
 491
 492         switch (pw->size)
 493                 {
 494                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 495                 case PAN_IMAGE_SIZE_THUMB_NONE:
 496                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 497                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 498 #if 0
 499                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 500                         min = -16.0;
 501                         break;
 502 #endif
 503                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 504                         min = -6.0;
 505                         break;
 506                 case PAN_IMAGE_SIZE_10:
 507                 case PAN_IMAGE_SIZE_25:
 508                         min = -4.0;
 509                         break;
 510                 case PAN_IMAGE_SIZE_33:
 511                 case PAN_IMAGE_SIZE_50:
 512                 case PAN_IMAGE_SIZE_100:
 513                 default:
 514                         min = -2.0;
 515                         break;
 516                 }
 517
 518         image_zoom_set_limits(pw->imd, min, 32.0);
 519 }
 520
 521
 522 /*
 523  *-----------------------------------------------------------------------------
 524  * cache
 525  *-----------------------------------------------------------------------------
 526  */
 527
 528 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 529 {
 530         PanCacheData *pca = a;
 531         PanCacheData *pcb = b;
 532         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 533 }
 534 GList *pan_cache_sort(GList *list, SortType method, gint ascend)
 535 {
 536         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 537 }
 538
 539
 540 static void pan_cache_free(PanWindow *pw)
 541 {
 542         GList *work;
 543
 544         work = pw->cache_list;
 545         while (work)
 546                 {
 547                 PanCacheData *pc;
 548
 549                 pc = work->data;
 550                 work = work->next;
 551
 552                 cache_sim_data_free(pc->cd);
 553                 file_data_unref(pc->fd);
 554                 g_free(pc);
 555                 }
 556
 557         g_list_free(pw->cache_list);
 558         pw->cache_list = NULL;
 559
 560         filelist_free(pw->cache_todo);
 561         pw->cache_todo = NULL;
 562
 563         pw->cache_count = 0;
 564         pw->cache_total = 0;
 565         pw->cache_tick = 0;
 566
 567         cache_loader_free(pw->cache_cl);
 568         pw->cache_cl = NULL;
 569 }
 570
 571 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 572 {
 573         GList *list;
 574
 575         pan_cache_free(pw);
 576
 577         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 578         pw->cache_todo = g_list_reverse(list);
 579
 580         pw->cache_total = g_list_length(pw->cache_todo);
 581 }
 582
 583 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 584 {
 585         PanWindow *pw = data;
 586
 587         if (pw->cache_list)
 588                 {
 589                 PanCacheData *pc;
 590                 pc = pw->cache_list->data;
 591
 592                 if (!pc->cd)
 593                         {
 594                         pc->cd = cl->cd;
 595                         cl->cd = NULL;
 596                         }
 597                 }
 598
 599         cache_loader_free(cl);
 600         pw->cache_cl = NULL;
 601
 602         pan_layout_update_idle(pw);
 603 }
 604
 605 static gint pan_cache_step(PanWindow *pw)
 606 {
 607         FileData *fd;
 608         PanCacheData *pc;
 609         CacheDataType load_mask;
 610
 611         if (!pw->cache_todo) return TRUE;
 612
 613         fd = pw->cache_todo->data;
 614         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 615
 616 #if 0
 617         if (enable_thumb_caching)
 618                 {
 619                 gchar *found;
 620
 621                 found = cache_find_location(CACHE_TYPE_SIM, fd->path);
 622                 if (found && filetime(found) == fd->date)
 623                         {
 624                         cd = cache_sim_data_load(found);
 625                         }
 626                 g_free(found);
 627                 }
 628
 629         if (!cd) cd = cache_sim_data_new();
 630
 631         if (!cd->dimensions)
 632                 {
 633                 cd->dimensions = image_load_dimensions(fd, &cd->width, &cd->height);
 634                 if (enable_thumb_caching &&
 635                     cd->dimensions)
 636                         {
 637                         gchar *base;
 638                         mode_t mode = 0755;
 639
 640                         base = cache_get_location(CACHE_TYPE_SIM, fd->path, FALSE, &mode);
 641                         if (cache_ensure_dir_exists(base, mode))
 642                                 {
 643                                 g_free(cd->path);
 644                                 cd->path = cache_get_location(CACHE_TYPE_SIM, fd->path, TRUE, NULL);
 645                                 if (cache_sim_data_save(cd))
 646                                         {
 647                                         filetime_set(cd->path, filetime(fd->path));
 648                                         }
 649                                 }
 650                         g_free(base);
 651                         }
 652
 653                 pw->cache_tick = 9;
 654                 }
 655 #endif
 656         pc = g_new0(PanCacheData, 1);
 657         pc->fd = file_data_ref(fd);
 658
 659         pc->cd = NULL;
 660
 661         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 662
 663         cache_loader_free(pw->cache_cl);
 664
 665         load_mask = CACHE_LOADER_NONE;
 666         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 667         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 668         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 669                                         pan_cache_step_done_cb, pw);
 670         return (pw->cache_cl == NULL);
 671 }
 672
 673 /* This sync date function is optimized for lists with a common sort */
 674 void pan_cache_sync_date(PanWindow *pw, GList *list)
 675 {
 676         GList *haystack;
 677         GList *work;
 678
 679         haystack = g_list_copy(pw->cache_list);
 680
 681         work = list;
 682         while (work)
 683                 {
 684                 FileData *fd;
 685                 GList *needle;
 686
 687                 fd = work->data;
 688                 work = work->next;
 689
 690                 needle = haystack;
 691                 while (needle)
 692                         {
 693                         PanCacheData *pc;
 694
 695                         pc = needle->data;
 696                         if (pc->fd == fd)
 697                                 {
 698                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 699                                         {
 700                                         fd->date = pc->cd->date;
 701                                         }
 702
 703                                 haystack = g_list_delete_link(haystack, needle);
 704                                 needle = NULL;
 705                                 }
 706                         else
 707                                 {
 708                                 needle = needle->next;
 709                                 }
 710                         }
 711                 }
 712
 713         g_list_free(haystack);
 714 }
 715
 716 /*
 717  *-----------------------------------------------------------------------------
 718  * item grid
 719  *-----------------------------------------------------------------------------
 720  */
 721
 722 static void pan_grid_clear(PanWindow *pw)
 723 {
 724         GList *work;
 725
 726         work = pw->list_grid;
 727         while (work)
 728                 {
 729                 PanGrid *pg;
 730
 731                 pg = work->data;
 732                 work = work->next;
 733
 734                 g_list_free(pg->list);
 735                 g_free(pg);
 736                 }
 737
 738         g_list_free(pw->list_grid);
 739         pw->list_grid = NULL;
 740
 741         pw->list = g_list_concat(pw->list, pw->list_static);
 742         pw->list_static = NULL;
 743 }
 744
 745 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 746 {
 747         GList *work;
 748         gint col, row;
 749         gint cw, ch;
 750         gint l;
 751         gdouble total;
 752         gdouble s;
 753         gdouble aw, ah;
 754         gint i, j;
 755
 756         pan_grid_clear(pw);
 757
 758         l = g_list_length(pw->list);
 759
 760         if (l < 1) return;
 761
 762         total = (gdouble)width * (gdouble)height / (gdouble)l;
 763         s = sqrt(total);
 764
 765         aw = (gdouble)width / s;
 766         ah = (gdouble)height / s;
 767
 768         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 769         col = CLAMP(col, 1, l / grid_size + 1);
 770         row = (gint)((gdouble)l / grid_size / col);
 771         if (row < 1) row = 1;
 772
 773         /* limit minimum size of grid so that a tile will always fit regardless of position */
 774         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 775         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 776
 777         row = row * 2 - 1;
 778         col = col * 2 - 1;
 779
 780         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 781
 782         for (j = 0; j < row; j++)
 783             for (i = 0; i < col; i++)
 784                 {
 785                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 786                         {
 787                         PanGrid *pg;
 788
 789                         pg = g_new0(PanGrid, 1);
 790                         pg->x = i * cw / 2;
 791                         pg->y = j * ch / 2;
 792                         pg->w = cw;
 793                         pg->h = ch;
 794                         pg->list = NULL;
 795
 796                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 797
 798                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 799                         }
 800                 }
 801
 802         work = pw->list;
 803         while (work)
 804                 {
 805                 PanItem *pi;
 806                 GList *grid;
 807
 808                 pi = work->data;
 809                 work = work->next;
 810
 811                 grid = pw->list_grid;
 812                 while (grid)
 813                         {
 814                         PanGrid *pg;
 815                         gint rx, ry, rw, rh;
 816
 817                         pg = grid->data;
 818                         grid = grid->next;
 819
 820                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 821                                              pg->x, pg->y, pg->w, pg->h,
 822                                              &rx, &ry, &rw, &rh))
 823                                 {
 824                                 pg->list = g_list_prepend(pg->list, pi);
 825                                 }
 826                         }
 827                 }
 828
 829         work = pw->list_grid;
 830         while (work)
 831                 {
 832                 PanGrid *pg;
 833
 834                 pg = work->data;
 835                 work = work->next;
 836
 837                 pg->list = g_list_reverse(pg->list);
 838                 }
 839
 840         pw->list_static = pw->list;
 841         pw->list = NULL;
 842 }
 843
 844
 845 /*
 846  *-----------------------------------------------------------------------------
 847  * layout state reset
 848  *-----------------------------------------------------------------------------
 849  */
 850
 851 static void pan_window_items_free(PanWindow *pw)
 852 {
 853         GList *work;
 854
 855         pan_grid_clear(pw);
 856
 857         work = pw->list;
 858         while (work)
 859                 {
 860                 PanItem *pi = work->data;
 861                 work = work->next;
 862
 863                 pan_item_free(pi);
 864                 }
 865
 866         g_list_free(pw->list);
 867         pw->list = NULL;
 868
 869         g_list_free(pw->queue);
 870         pw->queue = NULL;
 871         pw->queue_pi = NULL;
 872
 873         image_loader_free(pw->il);
 874         pw->il = NULL;
 875
 876         thumb_loader_free(pw->tl);
 877         pw->tl = NULL;
 878
 879         pw->click_pi = NULL;
 880         pw->search_pi = NULL;
 881 }
 882
 883
 884 /*
 885  *-----------------------------------------------------------------------------
 886  * layout generation, queries, sizing
 887  *-----------------------------------------------------------------------------
 888  */
 889
 890 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 891                                gint *width, gint *height,
 892                                gint *scroll_x, gint *scroll_y)
 893 {
 894         pan_window_items_free(pw);
 895
 896         switch (pw->size)
 897                 {
 898                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 899                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 900                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 901                         break;
 902                 case PAN_IMAGE_SIZE_THUMB_NONE:
 903                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 904                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 905                         break;
 906                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 907                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 908                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 909                         break;
 910                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 911                 default:
 912                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 913                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 914                         break;
 915                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 916                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 917                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 918                         break;
 919                 case PAN_IMAGE_SIZE_10:
 920                         pw->image_size = 10;
 921                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 922                         break;
 923                 case PAN_IMAGE_SIZE_25:
 924                         pw->image_size = 25;
 925                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 926                         break;
 927                 case PAN_IMAGE_SIZE_33:
 928                         pw->image_size = 33;
 929                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 930                         break;
 931                 case PAN_IMAGE_SIZE_50:
 932                         pw->image_size = 50;
 933                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 934                         break;
 935                 case PAN_IMAGE_SIZE_100:
 936                         pw->image_size = 100;
 937                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 938                         break;
 939                 }
 940
 941         *width = 0;
 942         *height = 0;
 943         *scroll_x = 0;
 944         *scroll_y = 0;
 945
 946         switch (pw->layout)
 947                 {
 948                 case PAN_LAYOUT_GRID:
 949                 default:
 950                         pan_grid_compute(pw, dir_fd, width, height);
 951                         break;
 952                 case PAN_LAYOUT_FOLDERS_LINEAR:
 953                         pan_folder_tree_compute(pw, dir_fd, width, height);
 954                         break;
 955                 case PAN_LAYOUT_FOLDERS_FLOWER:
 956                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 957                         break;
 958                 case PAN_LAYOUT_CALENDAR:
 959                         pan_calendar_compute(pw, dir_fd, width, height);
 960                         break;
 961                 case PAN_LAYOUT_TIMELINE:
 962                         pan_timeline_compute(pw, dir_fd, width, height);
 963                         break;
 964                 }
 965
 966         pan_cache_free(pw);
 967
 968         DEBUG_1("computed %d objects", g_list_length(pw->list));
 969 }
 970
 971 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 972                                      gint x, gint y, gint width, gint height)
 973 {
 974         GList *work;
 975
 976         work = item_list;
 977         while (work)
 978                 {
 979                 PanItem *pi;
 980                 gint rx, ry, rw, rh;
 981
 982                 pi = work->data;
 983                 work = work->next;
 984
 985                 if (util_clip_region(x, y, width, height,
 986                                      pi->x, pi->y, pi->width, pi->height,
 987                                      &rx, &ry, &rw, &rh))
 988                         {
 989                         list = g_list_prepend(list, pi);
 990                         }
 991                 }
 992
 993         return list;
 994 }
 995
 996 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 997 {
 998         GList *list = NULL;
 999         GList *grid;
1000         PanGrid *pg = NULL;
1001
1002         grid = pw->list_grid;
1003         while (grid && !pg)
1004                 {
1005                 pg = grid->data;
1006                 grid = grid->next;
1007
1008                 if (x < pg->x || x + width > pg->x + pg->w ||
1009                     y < pg->y || y + height > pg->y + pg->h)
1010                         {
1011                         pg = NULL;
1012                         }
1013                 }
1014
1015         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1016
1017         if (pg)
1018                 {
1019                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1020                 }
1021         else
1022                 {
1023                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1024                 }
1025
1026         return list;
1027 }
1028
1029 void pan_layout_resize(PanWindow *pw)
1030 {
1031         gint width = 0;
1032         gint height = 0;
1033         GList *work;
1034         PixbufRenderer *pr;
1035
1036         work = pw->list;
1037         while (work)
1038                 {
1039                 PanItem *pi;
1040
1041                 pi = work->data;
1042                 work = work->next;
1043
1044                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1045                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1046                 }
1047         work = pw->list_static;
1048         while (work)
1049                 {
1050                 PanItem *pi;
1051
1052                 pi = work->data;
1053                 work = work->next;
1054
1055                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1056                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1057                 }
1058
1059         width += PAN_BOX_BORDER * 2;
1060         height += PAN_BOX_BORDER * 2;
1061
1062         pr = PIXBUF_RENDERER(pw->imd->pr);
1063         if (width < pr->window_width) width = pr->window_width;
1064         if (height < pr->window_width) height = pr->window_height;
1065
1066         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1067 }
1068
1069 static gint pan_layout_update_idle_cb(gpointer data)
1070 {
1071         PanWindow *pw = data;
1072         gint width;
1073         gint height;
1074         gint scroll_x;
1075         gint scroll_y;
1076
1077         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1078             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1079                 {
1080                 if (!pw->cache_list && !pw->cache_todo)
1081                         {
1082                         pan_cache_fill(pw, pw->dir_fd);
1083                         if (pw->cache_todo)
1084                                 {
1085                                 pan_window_message(pw, _("Reading image data..."));
1086                                 return TRUE;
1087                                 }
1088                         }
1089                 if (pw->cache_todo)
1090                         {
1091                         pw->cache_count++;
1092                         pw->cache_tick++;
1093                         if (pw->cache_count == pw->cache_total)
1094                                 {
1095                                 pan_window_message(pw, _("Sorting..."));
1096                                 }
1097                         else if (pw->cache_tick > 9)
1098                                 {
1099                                 gchar *buf;
1100
1101                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1102                                                       pw->cache_count, pw->cache_total);
1103                                 pan_window_message(pw, buf);
1104                                 g_free(buf);
1105
1106                                 pw->cache_tick = 0;
1107                                 }
1108
1109                         if (pan_cache_step(pw)) return TRUE;
1110
1111                         pw->idle_id = -1;
1112                         return FALSE;
1113                         }
1114                 }
1115
1116         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1117
1118         pan_window_zoom_limit(pw);
1119
1120         if (width > 0 && height > 0)
1121                 {
1122                 gdouble align;
1123
1124                 DEBUG_1("Canvas size is %d x %d", width, height);
1125
1126                 pan_grid_build(pw, width, height, 1000);
1127
1128                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1129                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1130                                           pan_window_request_tile_cb,
1131                                           pan_window_dispose_tile_cb, pw, 1.0);
1132
1133                 if (scroll_x == 0 && scroll_y == 0)
1134                         {
1135                         align = 0.0;
1136                         }
1137                 else
1138                         {
1139                         align = 0.5;
1140                         }
1141                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1142                 }
1143
1144         pan_window_message(pw, NULL);
1145
1146         pw->idle_id = -1;
1147         return FALSE;
1148 }
1149
1150 static void pan_layout_update_idle(PanWindow *pw)
1151 {
1152         if (pw->idle_id == -1)
1153                 {
1154                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1155                 }
1156 }
1157
1158 static void pan_layout_update(PanWindow *pw)
1159 {
1160         pan_window_message(pw, _("Sorting images..."));
1161         pan_layout_update_idle(pw);
1162 }
1163
1164 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1165 {
1166         if (!dir_fd) return;
1167
1168         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1169                 {
1170                 pan_warning_folder(dir_fd->path, pw->window);
1171                 return;
1172                 }
1173
1174         file_data_unref(pw->dir_fd);
1175         pw->dir_fd = file_data_ref(dir_fd);
1176
1177         pan_layout_update(pw);
1178 }
1179
1180
1181 /*
1182  *-----------------------------------------------------------------------------
1183  * keyboard handlers
1184  *-----------------------------------------------------------------------------
1185  */
1186
1187 FileData *pan_menu_click_fd(PanWindow *pw)
1188 {
1189         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1190         return NULL;
1191 }
1192
1193 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1194 {
1195         PanWindow *pw = data;
1196
1197         gdk_window_get_origin(pw->imd->pr->window, x, y);
1198         popup_menu_position_clamp(menu, x, y, 0);
1199 }
1200
1201 static gint pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1202 {
1203         PanWindow *pw = data;
1204         PixbufRenderer *pr;
1205         FileData *fd;
1206         gint stop_signal = FALSE;
1207         GtkWidget *menu;
1208         gint x = 0;
1209         gint y = 0;
1210         gint focused;
1211         gint on_entry;
1212
1213         pr = PIXBUF_RENDERER(pw->imd->pr);
1214         fd = pan_menu_click_fd(pw);
1215
1216         focused = (pw->fs || GTK_WIDGET_HAS_FOCUS(GTK_WIDGET(pw->imd->widget)));
1217         on_entry = (GTK_WIDGET_HAS_FOCUS(pw->path_entry) ||
1218                     GTK_WIDGET_HAS_FOCUS(pw->search_entry));
1219
1220         if (focused)
1221                 {
1222                 stop_signal = TRUE;
1223                 switch (event->keyval)
1224                         {
1225                         case GDK_Left: case GDK_KP_Left:
1226                                 x -= 1;
1227                                 break;
1228                         case GDK_Right: case GDK_KP_Right:
1229                                 x += 1;
1230                                 break;
1231                         case GDK_Up: case GDK_KP_Up:
1232                                 y -= 1;
1233                                 break;
1234                         case GDK_Down: case GDK_KP_Down:
1235                                 y += 1;
1236                                 break;
1237                         case GDK_Page_Up: case GDK_KP_Page_Up:
1238                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1239                                 break;
1240                         case GDK_Page_Down: case GDK_KP_Page_Down:
1241                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1242                                 break;
1243                         case GDK_Home: case GDK_KP_Home:
1244                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1245                                 break;
1246                         case GDK_End: case GDK_KP_End:
1247                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1248                                 break;
1249                         default:
1250                                 stop_signal = FALSE;
1251                                 break;
1252                         }
1253
1254                 if (x != 0 || y!= 0)
1255                         {
1256                         if (event->state & GDK_SHIFT_MASK)
1257                                 {
1258                                 x *= 3;
1259                                 y *= 3;
1260                                 }
1261                         keyboard_scroll_calc(&x, &y, event);
1262                         pixbuf_renderer_scroll(pr, x, y);
1263                         }
1264                 }
1265
1266         if (stop_signal) return stop_signal;
1267
1268         if (event->state & GDK_CONTROL_MASK)
1269                 {
1270                 gint n = -1;
1271
1272                 stop_signal = TRUE;
1273                 switch (event->keyval)
1274                         {
1275                         case '1':
1276                                 n = 0;
1277                                 break;
1278                         case '2':
1279                                 n = 1;
1280                                 break;
1281                         case '3':
1282                                 n = 2;
1283                                 break;
1284                         case '4':
1285                                 n = 3;
1286                                 break;
1287                         case '5':
1288                                 n = 4;
1289                                 break;
1290                         case '6':
1291                                 n = 5;
1292                                 break;
1293                         case '7':
1294                                 n = 6;
1295                                 break;
1296                         case '8':
1297                                 n = 7;
1298                                 break;
1299                         case '9':
1300                                 n = 8;
1301                                 break;
1302                         case '0':
1303                                 n = 9;
1304                                 break;
1305                         case 'C': case 'c':
1306                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1307                                 break;
1308                         case 'M': case 'm':
1309                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1310                                 break;
1311                         case 'R': case 'r':
1312                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1313                                 break;
1314                         case 'D': case 'd':
1315                                 if (fd) file_util_delete(fd, NULL, GTK_WIDGET(pr));
1316                                 break;
1317                         case 'P': case 'p':
1318                                 if (fd) info_window_new(fd, NULL, NULL);
1319                                 break;
1320                         case 'F': case 'f':
1321                                 pan_search_toggle_visible(pw, TRUE);
1322                                 break;
1323                         case 'G': case 'g':
1324                                 pan_search_activate(pw);
1325                                 break;
1326                         case 'W': case 'w':
1327                                 pan_window_close(pw);
1328                                 break;
1329                         default:
1330                                 stop_signal = FALSE;
1331                                 break;
1332                         }
1333
1334                 if (n != -1 && fd)
1335                         {
1336                         if (!editor_window_flag_set(n))
1337                                 {
1338                                 pan_fullscreen_toggle(pw, TRUE);
1339                                 }
1340                         file_util_start_editor_from_file(n, fd, GTK_WIDGET(pr));
1341                         }
1342                 }
1343         else
1344                 {
1345                 stop_signal = TRUE;
1346                 switch (event->keyval)
1347                         {
1348                         case GDK_Escape:
1349                                 if (pw->fs)
1350                                         {
1351                                         pan_fullscreen_toggle(pw, TRUE);
1352                                         }
1353                                 else
1354                                         {
1355                                         pan_search_toggle_visible(pw, FALSE);
1356                                         }
1357                                 break;
1358                         default:
1359                                 stop_signal = FALSE;
1360                                 break;
1361                         }
1362
1363                 if (stop_signal) return stop_signal;
1364
1365                 if (!on_entry)
1366                         {
1367                         stop_signal = TRUE;
1368                         switch (event->keyval)
1369                                 {
1370                                 case '+': case '=': case GDK_KP_Add:
1371                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1372                                         break;
1373                                 case '-': case GDK_KP_Subtract:
1374                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1375                                         break;
1376                                 case 'Z': case 'z': case GDK_KP_Divide: case '1':
1377                                         pixbuf_renderer_zoom_set(pr, 1.0);
1378                                         break;
1379                                 case '2':
1380                                         pixbuf_renderer_zoom_set(pr, 2.0);
1381                                         break;
1382                                 case '3':
1383                                         pixbuf_renderer_zoom_set(pr, 3.0);
1384                                         break;
1385                                 case '4':
1386                                         pixbuf_renderer_zoom_set(pr, 4.0);
1387                                         break;
1388                                 case '7':
1389                                         pixbuf_renderer_zoom_set(pr, -4.0);
1390                                         break;
1391                                 case '8':
1392                                         pixbuf_renderer_zoom_set(pr, -3.0);
1393                                         break;
1394                                 case '9':
1395                                         pixbuf_renderer_zoom_set(pr, -2.0);
1396                                         break;
1397                                 case 'F': case 'f':
1398                                 case 'V': case 'v':
1399                                 case GDK_F11:
1400                                         pan_fullscreen_toggle(pw, FALSE);
1401                                         break;
1402                                 case 'I': case 'i':
1403 #if 0
1404                                         pan_overlay_toggle(pw);
1405 #endif
1406                                         break;
1407                                 case GDK_Delete: case GDK_KP_Delete:
1408                                         break;
1409                                 case GDK_Menu:
1410                                 case GDK_F10:
1411                                         menu = pan_popup_menu(pw);
1412                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1413                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1414                                         break;
1415                                 case '/':
1416                                         pan_search_toggle_visible(pw, TRUE);
1417                                         break;
1418                                 default:
1419                                         stop_signal = FALSE;
1420                                         break;
1421                                 }
1422                         }
1423                 }
1424
1425         return stop_signal;
1426 }
1427
1428 /*
1429  *-----------------------------------------------------------------------------
1430  * info popup
1431  *-----------------------------------------------------------------------------
1432  */
1433
1434 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1435 {
1436         ExifData *exif;
1437         GList *work;
1438         gint i;
1439
1440         if (!fd) return;
1441         exif = exif_read_fd(fd);
1442         if (!exif) return;
1443
1444         pan_text_alignment_add(ta, NULL, NULL);
1445
1446         for (i = 0; ExifUIList[i].key; i++)
1447                 {
1448                 gchar *label;
1449                 gchar *desc;
1450                 gchar *text;
1451                 gchar *utf8_text;
1452
1453                 if (ExifUIList[i].current == EXIF_UI_OFF) continue;
1454
1455                 text = exif_get_data_as_text(exif, ExifUIList[i].key);
1456                 if (ExifUIList[i].current == EXIF_UI_IFSET && (!text || !*text))
1457                         {
1458                         g_free(text);
1459                         continue;
1460                         }
1461
1462                 desc = exif_get_description_by_key(ExifUIList[i].key);
1463                 label = g_strdup_printf("%s:", desc);
1464                 g_free(desc);
1465                 utf8_text = utf8_validate_or_convert(text);
1466                 g_free(text);
1467                 pan_text_alignment_add(ta, label, utf8_text);
1468                 g_free(label);
1469                 g_free(utf8_text);
1470                 }
1471
1472         work = g_list_last(history_list_get_by_key("exif_extras"));
1473         if (work) pan_text_alignment_add(ta, "---", NULL);
1474         while (work)
1475                 {
1476                 const gchar *name;
1477                 gchar *text;
1478
1479                 name = work->data;
1480                 work = work->prev;
1481
1482                 text = exif_get_data_as_text(exif, name);
1483                 if (text)
1484                         {
1485                         gchar *label = g_strdup_printf("%s:", name);
1486                         gchar *utf8_text = utf8_validate_or_convert(text);
1487
1488                         g_free(text);
1489                         pan_text_alignment_add(ta, label, utf8_text);
1490                         g_free(label);
1491                         g_free(utf8_text);
1492                         }
1493                 }
1494
1495         exif_free_fd(fd, exif);
1496 }
1497
1498 static void pan_info_update(PanWindow *pw, PanItem *pi)
1499 {
1500         PanTextAlignment *ta;
1501         PanItem *pbox;
1502         PanItem *p;
1503         gchar *buf;
1504         gint x1, y1, x2, y2, x3, y3;
1505         gint x, y, w, h;
1506
1507         if (pw->click_pi == pi) return;
1508         if (pi && !pi->fd) pi = NULL;
1509
1510         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1511         pw->click_pi = pi;
1512
1513         if (!pi) return;
1514
1515         DEBUG_1("info set to %s", pi->fd->path);
1516
1517         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1518                                 PAN_POPUP_BORDER,
1519                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1520                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1521         pan_item_set_key(pbox, "info");
1522
1523         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1524                 {
1525                 w = gdk_pixbuf_get_width(pi->pixbuf);
1526                 h = gdk_pixbuf_get_height(pi->pixbuf);
1527
1528                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1529                 y1 = pi->y + (pi->height - h) / 2 + 8;
1530                 }
1531         else
1532                 {
1533                 x1 = pi->x + pi->width - 8;
1534                 y1 = pi->y + 8;
1535                 }
1536
1537         x2 = pbox->x + 1;
1538         y2 = pbox->y + 36;
1539         x3 = pbox->x + 1;
1540         y3 = pbox->y + 12;
1541         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1542                            &x, &y, &w, &h);
1543
1544         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1545                              x1, y1, x2, y2, x3, y3,
1546                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1547         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1548         pan_item_set_key(p, "info");
1549         pan_item_added(pw, p);
1550
1551         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1552
1553         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1554         buf = remove_level_from_path(pi->fd->path);
1555         pan_text_alignment_add(ta, _("Location:"), buf);
1556         g_free(buf);
1557         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1558         buf = text_from_size(pi->fd->size);
1559         pan_text_alignment_add(ta, _("Size:"), buf);
1560         g_free(buf);
1561
1562         if (pw->info_includes_exif)
1563                 {
1564                 pan_info_add_exif(ta, pi->fd);
1565                 }
1566
1567         pan_text_alignment_calc(ta, pbox);
1568         pan_text_alignment_free(ta);
1569
1570         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1571         pan_item_added(pw, pbox);
1572
1573         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1574                 {
1575                 gint iw, ih;
1576                 if (image_load_dimensions(pi->fd, &iw, &ih))
1577                         {
1578                         gint scale = 25;
1579
1580                         switch (pw->info_image_size)
1581                                 {
1582                                 case PAN_IMAGE_SIZE_10:
1583                                         scale = 10;
1584                                         break;
1585                                 case PAN_IMAGE_SIZE_25:
1586                                         scale = 25;
1587                                         break;
1588                                 case PAN_IMAGE_SIZE_33:
1589                                         scale = 33;
1590                                         break;
1591                                 case PAN_IMAGE_SIZE_50:
1592                                         scale = 50;
1593                                         break;
1594                                 case PAN_IMAGE_SIZE_100:
1595                                         scale = 100;
1596                                         break;
1597                                 }
1598
1599                         iw = MAX(1, iw * scale / 100);
1600                         ih = MAX(1, ih * scale / 100);
1601
1602                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1603                                                 PAN_POPUP_BORDER,
1604                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1605                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1606                         pan_item_set_key(pbox, "info");
1607
1608                         p = pan_item_image_new(pw, file_data_new_simple(pi->fd->path),
1609                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1610                         pan_item_set_key(p, "info");
1611                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1612
1613                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1614                         pan_item_added(pw, pbox);
1615                         }
1616                 }
1617
1618         pan_layout_resize(pw);
1619 }
1620
1621
1622 /*
1623  *-----------------------------------------------------------------------------
1624  * search
1625  *-----------------------------------------------------------------------------
1626  */
1627
1628 static void pan_search_status(PanWindow *pw, const gchar *text)
1629 {
1630         gtk_label_set_text(GTK_LABEL(pw->search_label), (text) ? text : "");
1631 }
1632
1633 static gint pan_search_by_path(PanWindow *pw, const gchar *path)
1634 {
1635         PanItem *pi;
1636         GList *list;
1637         GList *found;
1638         PanItemType type;
1639         gchar *buf;
1640
1641         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1642
1643         list = pan_item_find_by_path(pw, type, path, FALSE, FALSE);
1644         if (!list) return FALSE;
1645
1646         found = g_list_find(list, pw->click_pi);
1647         if (found && found->next)
1648                 {
1649                 found = found->next;
1650                 pi = found->data;
1651                 }
1652         else
1653                 {
1654                 pi = list->data;
1655                 }
1656
1657         pan_info_update(pw, pi);
1658         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1659
1660         buf = g_strdup_printf("%s ( %d / %d )",
1661                               (path[0] == G_DIR_SEPARATOR) ? _("path found") : _("filename found"),
1662                               g_list_index(list, pi) + 1,
1663                               g_list_length(list));
1664         pan_search_status(pw, buf);
1665         g_free(buf);
1666
1667         g_list_free(list);
1668
1669         return TRUE;
1670 }
1671
1672 static gint pan_search_by_partial(PanWindow *pw, const gchar *text)
1673 {
1674         PanItem *pi;
1675         GList *list;
1676         GList *found;
1677         PanItemType type;
1678         gchar *buf;
1679
1680         type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1681
1682         list = pan_item_find_by_path(pw, type, text, TRUE, FALSE);
1683         if (!list) list = pan_item_find_by_path(pw, type, text, FALSE, TRUE);
1684         if (!list)
1685                 {
1686                 gchar *needle;
1687
1688                 needle = g_utf8_strdown(text, -1);
1689                 list = pan_item_find_by_path(pw, type, needle, TRUE, TRUE);
1690                 g_free(needle);
1691                 }
1692         if (!list) return FALSE;
1693
1694         found = g_list_find(list, pw->click_pi);
1695         if (found && found->next)
1696                 {
1697                 found = found->next;
1698                 pi = found->data;
1699                 }
1700         else
1701                 {
1702                 pi = list->data;
1703                 }
1704
1705         pan_info_update(pw, pi);
1706         image_scroll_to_point(pw->imd, pi->x + pi->width / 2, pi->y + pi->height / 2, 0.5, 0.5);
1707
1708         buf = g_strdup_printf("%s ( %d / %d )",
1709                               _("partial match"),
1710                               g_list_index(list, pi) + 1,
1711                               g_list_length(list));
1712         pan_search_status(pw, buf);
1713         g_free(buf);
1714
1715         g_list_free(list);
1716
1717         return TRUE;
1718 }
1719
1720 static gint valid_date_separator(gchar c)
1721 {
1722         return (c == '/' || c == '-' || c == ' ' || c == '.' || c == ',');
1723 }
1724
1725 static GList *pan_search_by_date_val(PanWindow *pw, PanItemType type,
1726                                      gint year, gint month, gint day,
1727                                      const gchar *key)
1728 {
1729         GList *list = NULL;
1730         GList *work;
1731
1732         work = g_list_last(pw->list_static);
1733         while (work)
1734                 {
1735                 PanItem *pi;
1736
1737                 pi = work->data;
1738                 work = work->prev;
1739
1740                 if (pi->fd && (pi->type == type || type == PAN_ITEM_NONE) &&
1741                     ((!key && !pi->key) || (key && pi->key && strcmp(key, pi->key) == 0)))
1742                         {
1743                         struct tm *tl;
1744
1745                         tl = localtime(&pi->fd->date);
1746                         if (tl)
1747                                 {
1748                                 gint match;
1749
1750                                 match = (tl->tm_year == year - 1900);
1751                                 if (match && month >= 0) match = (tl->tm_mon == month - 1);
1752                                 if (match && day > 0) match = (tl->tm_mday == day);
1753
1754                                 if (match) list = g_list_prepend(list, pi);
1755                                 }
1756                         }
1757                 }
1758
1759         return g_list_reverse(list);
1760 }
1761
1762 static gint pan_search_by_date(PanWindow *pw, const gchar *text)
1763 {
1764         PanItem *pi = NULL;
1765         GList *list = NULL;
1766         GList *found;
1767         gint year;
1768         gint month = -1;
1769         gint day = -1;
1770         gchar *ptr;
1771         gchar *mptr;
1772         struct tm *lt;
1773         time_t t;
1774         gchar *message;
1775         gchar *buf;
1776         gchar *buf_count;
1777
1778         if (!text) return FALSE;
1779
1780         ptr = (gchar *)text;
1781         while (*ptr != '\0')
1782                 {
1783                 if (!g_unichar_isdigit(*ptr) && !valid_date_separator(*ptr)) return FALSE;
1784                 ptr++;
1785                 }
1786
1787         t = time(NULL);
1788         if (t == -1) return FALSE;
1789         lt = localtime(&t);
1790         if (!lt) return FALSE;
1791
1792         if (valid_date_separator(*text))
1793                 {
1794                 year = -1;
1795                 mptr = (gchar *)text;
1796                 }
1797         else
1798                 {
1799                 year = (gint)strtol(text, &mptr, 10);
1800                 if (mptr == text) return FALSE;
1801                 }
1802
1803         if (*mptr != '\0' && valid_date_separator(*mptr))
1804                 {
1805                 gchar *dptr;
1806
1807                 mptr++;
1808                 month = strtol(mptr, &dptr, 10);
1809                 if (dptr == mptr)
1810                         {
1811                         if (valid_date_separator(*dptr))
1812                                 {
1813                                 month = lt->tm_mon + 1;
1814                                 dptr++;
1815                                 }
1816                         else
1817                                 {
1818                                 month = -1;
1819                                 }
1820                         }
1821                 if (dptr != mptr && *dptr != '\0' && valid_date_separator(*dptr))
1822                         {
1823                         gchar *eptr;
1824                         dptr++;
1825                         day = strtol(dptr, &eptr, 10);
1826                         if (dptr == eptr)
1827                                 {
1828                                 day = lt->tm_mday;
1829                                 }
1830                         }
1831                 }
1832
1833         if (year == -1)
1834                 {
1835                 year = lt->tm_year + 1900;
1836                 }
1837         else if (year < 100)
1838                 {
1839                 if (year > 70)
1840                         year+= 1900;
1841                 else
1842                         year+= 2000;
1843                 }
1844
1845         if (year < 1970 ||
1846             month < -1 || month == 0 || month > 12 ||
1847             day < -1 || day == 0 || day > 31) return FALSE;
1848
1849         t = pan_date_to_time(year, month, day);
1850         if (t < 0) return FALSE;
1851
1852         if (pw->layout == PAN_LAYOUT_CALENDAR)
1853                 {
1854                 list = pan_search_by_date_val(pw, PAN_ITEM_BOX, year, month, day, "day");
1855                 }
1856         else
1857                 {
1858                 PanItemType type;
1859
1860                 type = (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB;
1861                 list = pan_search_by_date_val(pw, type, year, month, day, NULL);
1862                 }
1863
1864         if (list)
1865                 {
1866                 found = g_list_find(list, pw->search_pi);
1867                 if (found && found->next)
1868                         {
1869                         found = found->next;
1870                         pi = found->data;
1871                         }
1872                 else
1873                         {
1874                         pi = list->data;
1875                         }
1876                 }
1877
1878         pw->search_pi = pi;
1879
1880         if (pw->layout == PAN_LAYOUT_CALENDAR && pi && pi->type == PAN_ITEM_BOX)
1881                 {
1882                 pan_info_update(pw, NULL);
1883                 pan_calendar_update(pw, pi);
1884                 image_scroll_to_point(pw->imd,
1885                                       pi->x + pi->width / 2,
1886                                       pi->y + pi->height / 2, 0.5, 0.5);
1887                 }
1888         else if (pi)
1889                 {
1890                 pan_info_update(pw, pi);
1891                 image_scroll_to_point(pw->imd,
1892                                       pi->x - PAN_BOX_BORDER * 5 / 2,
1893                                       pi->y, 0.0, 0.5);
1894                 }
1895
1896         if (month > 0)
1897                 {
1898                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_MONTH);
1899                 if (day > 0)
1900                         {
1901                         gchar *tmp;
1902                         tmp = buf;
1903                         buf = g_strdup_printf("%d %s", day, tmp);
1904                         g_free(tmp);
1905                         }
1906                 }
1907         else
1908                 {
1909                 buf = pan_date_value_string(t, PAN_DATE_LENGTH_YEAR);
1910                 }
1911
1912         if (pi)
1913                 {
1914                 buf_count = g_strdup_printf("( %d / %d )",
1915                                             g_list_index(list, pi) + 1,
1916                                             g_list_length(list));
1917                 }
1918         else
1919                 {
1920                 buf_count = g_strdup_printf("(%s)", _("no match"));
1921                 }
1922
1923         message = g_strdup_printf("%s %s %s", _("Date:"), buf, buf_count);
1924         g_free(buf);
1925         g_free(buf_count);
1926         pan_search_status(pw, message);
1927         g_free(message);
1928
1929         g_list_free(list);
1930
1931         return TRUE;
1932 }
1933
1934 static void pan_search_activate_cb(const gchar *text, gpointer data)
1935 {
1936         PanWindow *pw = data;
1937
1938         if (!text) return;
1939
1940         tab_completion_append_to_history(pw->search_entry, text);
1941
1942         if (pan_search_by_path(pw, text)) return;
1943
1944         if ((pw->layout == PAN_LAYOUT_TIMELINE ||
1945              pw->layout == PAN_LAYOUT_CALENDAR) &&
1946             pan_search_by_date(pw, text))
1947                 {
1948                 return;
1949                 }
1950
1951         if (pan_search_by_partial(pw, text)) return;
1952
1953         pan_search_status(pw, _("no match"));
1954 }
1955
1956 static void pan_search_activate(PanWindow *pw)
1957 {
1958         gchar *text;
1959
1960 #if 0
1961         if (!GTK_WIDGET_VISIBLE(pw->search_box))
1962                 {
1963                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
1964                 }
1965 #endif
1966
1967         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->search_entry)));
1968         pan_search_activate_cb(text, pw);
1969         g_free(text);
1970 }
1971
1972 static void pan_search_toggle_cb(GtkWidget *button, gpointer data)
1973 {
1974         PanWindow *pw = data;
1975         gint visible;
1976
1977         visible = GTK_WIDGET_VISIBLE(pw->search_box);
1978         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)) == visible) return;
1979
1980         if (visible)
1981                 {
1982                 gtk_widget_hide(pw->search_box);
1983                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_UP, GTK_SHADOW_NONE);
1984                 }
1985         else
1986                 {
1987                 gtk_widget_show(pw->search_box);
1988                 gtk_arrow_set(GTK_ARROW(pw->search_button_arrow), GTK_ARROW_DOWN, GTK_SHADOW_NONE);
1989                 gtk_widget_grab_focus(pw->search_entry);
1990                 }
1991 }
1992
1993 static void pan_search_toggle_visible(PanWindow *pw, gint enable)
1994 {
1995         if (pw->fs) return;
1996
1997         if (enable)
1998                 {
1999                 if (GTK_WIDGET_VISIBLE(pw->search_box))
2000                         {
2001                         gtk_widget_grab_focus(pw->search_entry);
2002                         }
2003                 else
2004                         {
2005                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), TRUE);
2006                         }
2007                 }
2008         else
2009                 {
2010                 if (GTK_WIDGET_VISIBLE(pw->search_entry))
2011                         {
2012                         if (GTK_WIDGET_HAS_FOCUS(pw->search_entry))
2013                                 {
2014                                 gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2015                                 }
2016                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(pw->search_button), FALSE);
2017                         }
2018                 }
2019 }
2020
2021
2022 /*
2023  *-----------------------------------------------------------------------------
2024  * main window
2025  *-----------------------------------------------------------------------------
2026  */
2027
2028 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
2029 {
2030         PanWindow *pw = data;
2031         PanItem *pi = NULL;
2032         GtkWidget *menu;
2033         gint rx, ry;
2034
2035         rx = ry = 0;
2036         if (pr->scale)
2037                 {
2038                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
2039                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
2040                 }
2041
2042         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
2043         if (pi && event->button == MOUSE_BUTTON_LEFT)
2044                 {
2045                 pan_info_update(pw, NULL);
2046                 return;
2047                 }
2048
2049         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
2050                                     rx, ry, NULL);
2051
2052         switch (event->button)
2053                 {
2054                 case MOUSE_BUTTON_LEFT:
2055                         pan_info_update(pw, pi);
2056
2057                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
2058                                 {
2059                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
2060                                 pan_calendar_update(pw, pi);
2061                                 }
2062                         break;
2063                 case MOUSE_BUTTON_MIDDLE:
2064                         break;
2065                 case MOUSE_BUTTON_RIGHT:
2066                         pan_info_update(pw, pi);
2067                         menu = pan_popup_menu(pw);
2068                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
2069                         break;
2070                 default:
2071                         break;
2072                 }
2073 }
2074
2075 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
2076 {
2077 #if 0
2078         PanWindow *pw = data;
2079 #endif
2080         gint w, h;
2081
2082         w = pr->vis_width;
2083         h = pr->vis_height;
2084
2085         if (!(event->state & GDK_SHIFT_MASK))
2086                 {
2087                 w /= 3;
2088                 h /= 3;
2089                 }
2090
2091         if (event->state & GDK_CONTROL_MASK)
2092                 {
2093                 switch (event->direction)
2094                         {
2095                         case GDK_SCROLL_UP:
2096                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
2097                                                                      (gint)event->x, (gint)event->y);
2098                                 break;
2099                         case GDK_SCROLL_DOWN:
2100                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
2101                                                                      (gint)event->x, (gint)event->y);
2102                                 break;
2103                         default:
2104                                 break;
2105                         }
2106                 }
2107         else
2108                 {
2109                 switch (event->direction)
2110                         {
2111                         case GDK_SCROLL_UP:
2112                                 pixbuf_renderer_scroll(pr, 0, -h);
2113                                 break;
2114                         case GDK_SCROLL_DOWN:
2115                                 pixbuf_renderer_scroll(pr, 0, h);
2116                                 break;
2117                         case GDK_SCROLL_LEFT:
2118                                 pixbuf_renderer_scroll(pr, -w, 0);
2119                                 break;
2120                         case GDK_SCROLL_RIGHT:
2121                                 pixbuf_renderer_scroll(pr, w, 0);
2122                                 break;
2123                         default:
2124                                 break;
2125                         }
2126                 }
2127 }
2128
2129 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
2130 {
2131         g_signal_connect(G_OBJECT(imd->pr), "clicked",
2132                          G_CALLBACK(button_cb), pw);
2133         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
2134                          G_CALLBACK(scroll_cb), pw);
2135 }
2136
2137 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
2138 {
2139         PanWindow *pw = data;
2140
2141         pw->fs = NULL;
2142         pw->imd = pw->imd_normal;
2143 }
2144
2145 static void pan_fullscreen_toggle(PanWindow *pw, gint force_off)
2146 {
2147         if (force_off && !pw->fs) return;
2148
2149         if (pw->fs)
2150                 {
2151                 fullscreen_stop(pw->fs);
2152                 }
2153         else
2154                 {
2155                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
2156                 pan_image_set_buttons(pw, pw->fs->imd);
2157                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
2158                                  G_CALLBACK(pan_window_key_press_cb), pw);
2159
2160                 pw->imd = pw->fs->imd;
2161                 }
2162 }
2163
2164 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
2165 {
2166         PanWindow *pw = data;
2167         gchar *text;
2168
2169         text = image_zoom_get_as_text(pw->imd);
2170         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
2171         g_free(text);
2172 }
2173
2174 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
2175 {
2176         PanWindow *pw = data;
2177         GtkAdjustment *adj;
2178         GdkRectangle rect;
2179         gint width, height;
2180
2181         if (pr->scale == 0.0) return;
2182
2183         pixbuf_renderer_get_visible_rect(pr, &rect);
2184         pixbuf_renderer_get_image_size(pr, &width, &height);
2185
2186         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
2187         adj->page_size = (gdouble)rect.width;
2188         adj->page_increment = adj->page_size / 2.0;
2189         adj->step_increment = 48.0 / pr->scale;
2190         adj->lower = 0.0;
2191         adj->upper = MAX((gdouble)width, 1.0);
2192         adj->value = (gdouble)rect.x;
2193
2194         pref_signal_block_data(pw->scrollbar_h, pw);
2195         gtk_adjustment_changed(adj);
2196         gtk_adjustment_value_changed(adj);
2197         pref_signal_unblock_data(pw->scrollbar_h, pw);
2198
2199         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
2200         adj->page_size = (gdouble)rect.height;
2201         adj->page_increment = adj->page_size / 2.0;
2202         adj->step_increment = 48.0 / pr->scale;
2203         adj->lower = 0.0;
2204         adj->upper = MAX((gdouble)height, 1.0);
2205         adj->value = (gdouble)rect.y;
2206
2207         pref_signal_block_data(pw->scrollbar_v, pw);
2208         gtk_adjustment_changed(adj);
2209         gtk_adjustment_value_changed(adj);
2210         pref_signal_unblock_data(pw->scrollbar_v, pw);
2211 }
2212
2213 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
2214 {
2215         PanWindow *pw = data;
2216         PixbufRenderer *pr;
2217         gint x;
2218
2219         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2220
2221         if (!pr->scale) return;
2222
2223         x = (gint)gtk_range_get_value(range);
2224
2225         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
2226 }
2227
2228 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
2229 {
2230         PanWindow *pw = data;
2231         PixbufRenderer *pr;
2232         gint y;
2233
2234         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
2235
2236         if (!pr->scale) return;
2237
2238         y = (gint)gtk_range_get_value(range);
2239
2240         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
2241 }
2242
2243 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
2244 {
2245         PanWindow *pw = data;
2246
2247         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2248         pan_layout_update(pw);
2249 }
2250
2251 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
2252 {
2253         PanWindow *pw = data;
2254
2255         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
2256         pan_layout_update(pw);
2257 }
2258
2259 #if 0
2260 static void pan_window_date_toggle_cb(GtkWidget *button, gpointer data)
2261 {
2262         PanWindow *pw = data;
2263
2264         pw->exif_date_enable = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2265         pan_layout_update(pw);
2266 }
2267 #endif
2268
2269 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
2270 {
2271         PanWindow *pw = data;
2272         gchar *path;
2273
2274         path = remove_trailing_slash(new_text);
2275         parse_out_relatives(path);
2276
2277         if (!isdir(path))
2278                 {
2279                 warning_dialog(_("Folder not found"),
2280                                _("The entered path is not a folder"),
2281                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
2282                 }
2283         else
2284                 {
2285                 FileData *dir_fd = file_data_new_simple(path);
2286                 tab_completion_append_to_history(pw->path_entry, path);
2287
2288                 pan_layout_set_fd(pw, dir_fd);
2289                 file_data_unref(dir_fd);
2290                 }
2291
2292         g_free(path);
2293 }
2294
2295 static void pan_window_entry_change_cb(GtkWidget *combo, gpointer data)
2296 {
2297         PanWindow *pw = data;
2298         gchar *text;
2299
2300         if (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)) < 0) return;
2301
2302         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->path_entry)));
2303         pan_window_entry_activate_cb(text, pw);
2304         g_free(text);
2305 }
2306
2307 static void pan_window_close(PanWindow *pw)
2308 {
2309         pan_window_list = g_list_remove(pan_window_list, pw);
2310
2311         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
2312         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
2313         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
2314
2315         if (pw->idle_id != -1)
2316                 {
2317                 g_source_remove(pw->idle_id);
2318                 }
2319
2320         pan_fullscreen_toggle(pw, TRUE);
2321         gtk_widget_destroy(pw->window);
2322
2323         pan_window_items_free(pw);
2324         pan_cache_free(pw);
2325
2326         file_data_unref(pw->dir_fd);
2327
2328         g_free(pw);
2329 }
2330
2331 static gint pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
2332 {
2333         PanWindow *pw = data;
2334
2335         pan_window_close(pw);
2336         return TRUE;
2337 }
2338
2339 static void pan_window_new_real(FileData *dir_fd)
2340 {
2341         PanWindow *pw;
2342         GtkWidget *vbox;
2343         GtkWidget *box;
2344         GtkWidget *combo;
2345         GtkWidget *hbox;
2346         GtkWidget *frame;
2347         GtkWidget *table;
2348         GdkGeometry geometry;
2349
2350         pw = g_new0(PanWindow, 1);
2351
2352         pw->dir_fd = file_data_ref(dir_fd);
2353         pw->layout = PAN_LAYOUT_TIMELINE;
2354         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
2355         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
2356         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
2357
2358         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
2359                 {
2360                 pw->exif_date_enable = FALSE;
2361                 }
2362         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
2363                 {
2364                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
2365                 }
2366         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
2367                 {
2368                 pw->info_includes_exif = TRUE;
2369                 }
2370
2371         pw->ignore_symlinks = TRUE;
2372
2373         pw->list = NULL;
2374         pw->list_static = NULL;
2375         pw->list_grid = NULL;
2376
2377         pw->fs = NULL;
2378         pw->overlay_id = -1;
2379         pw->idle_id = -1;
2380
2381         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
2382
2383         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
2384         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
2385         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
2386
2387         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
2388         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
2389
2390         vbox = gtk_vbox_new(FALSE, 0);
2391         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
2392         gtk_widget_show(vbox);
2393
2394         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
2395
2396         pref_spacer(box, 0);
2397         pref_label_new(box, _("Location:"));
2398         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
2399                                                 pan_window_entry_activate_cb, pw);
2400         g_signal_connect(G_OBJECT(pw->path_entry->parent), "changed",
2401                          G_CALLBACK(pan_window_entry_change_cb), pw);
2402         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
2403         gtk_widget_show(combo);
2404
2405         combo = gtk_combo_box_new_text();
2406         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Timeline"));
2407         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Calendar"));
2408         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders"));
2409         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Folders (flower)"));
2410         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Grid"));
2411
2412         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
2413         g_signal_connect(G_OBJECT(combo), "changed",
2414                          G_CALLBACK(pan_window_layout_change_cb), pw);
2415         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2416         gtk_widget_show(combo);
2417
2418         combo = gtk_combo_box_new_text();
2419         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Dots"));
2420         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("No Images"));
2421         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Small Thumbnails"));
2422         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Normal Thumbnails"));
2423         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("Large Thumbnails"));
2424         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:10 (10%)"));
2425         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:4 (25%)"));
2426         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:3 (33%)"));
2427         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:2 (50%)"));
2428         gtk_combo_box_append_text(GTK_COMBO_BOX(combo), _("1:1 (100%)"));
2429
2430         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
2431         g_signal_connect(G_OBJECT(combo), "changed",
2432                          G_CALLBACK(pan_window_layout_size_cb), pw);
2433         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
2434         gtk_widget_show(combo);
2435
2436         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
2437         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
2438         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
2439
2440         pw->imd = image_new(TRUE);
2441         pw->imd_normal = pw->imd;
2442
2443         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
2444                          G_CALLBACK(pan_window_image_zoom_cb), pw);
2445         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
2446                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
2447
2448         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
2449                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
2450         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
2451
2452         pan_window_dnd_init(pw);
2453
2454         pan_image_set_buttons(pw, pw->imd);
2455
2456         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
2457         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
2458                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
2459         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
2460                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
2461         gtk_widget_show(pw->scrollbar_h);
2462
2463         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
2464         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
2465                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
2466         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
2467                          0, GTK_FILL | GTK_EXPAND, 0, 0);
2468         gtk_widget_show(pw->scrollbar_v);
2469
2470         /* find bar */
2471
2472         pw->search_box = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2473         gtk_box_pack_start(GTK_BOX(vbox), pw->search_box, FALSE, FALSE, 2);
2474
2475         pref_spacer(pw->search_box, 0);
2476         pref_label_new(pw->search_box, _("Find:"));
2477
2478         hbox = gtk_hbox_new(TRUE, PREF_PAD_SPACE);
2479         gtk_box_pack_start(GTK_BOX(pw->search_box), hbox, TRUE, TRUE, 0);
2480         gtk_widget_show(hbox);
2481
2482         combo = tab_completion_new_with_history(&pw->search_entry, "", "pan_view_search", -1,
2483                                                 pan_search_activate_cb, pw);
2484         gtk_box_pack_start(GTK_BOX(hbox), combo, TRUE, TRUE, 0);
2485         gtk_widget_show(combo);
2486
2487         pw->search_label = gtk_label_new("");
2488         gtk_box_pack_start(GTK_BOX(hbox), pw->search_label, TRUE, TRUE, 0);
2489         gtk_widget_show(pw->search_label);
2490
2491         /* status bar */
2492
2493         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2494
2495         frame = gtk_frame_new(NULL);
2496         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2497         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2498         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
2499         gtk_widget_show(frame);
2500
2501         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
2502         gtk_container_add(GTK_CONTAINER(frame), hbox);
2503         gtk_widget_show(hbox);
2504
2505         pref_spacer(hbox, 0);
2506         pw->label_message = pref_label_new(hbox, "");
2507
2508         frame = gtk_frame_new(NULL);
2509         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2510         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2511         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2512         gtk_widget_show(frame);
2513
2514         pw->label_zoom = gtk_label_new("");
2515         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2516         gtk_widget_show(pw->label_zoom);
2517
2518 #if 0
2519         pw->date_button = pref_checkbox_new(box, _("Use Exif date"), pw->exif_date_enable,
2520                                             G_CALLBACK(pan_window_date_toggle_cb), pw);
2521 #endif
2522
2523         pw->search_button = gtk_toggle_button_new();
2524         gtk_button_set_relief(GTK_BUTTON(pw->search_button), GTK_RELIEF_NONE);
2525         gtk_button_set_focus_on_click(GTK_BUTTON(pw->search_button), FALSE);
2526         hbox = gtk_hbox_new(FALSE, PREF_PAD_GAP);
2527         gtk_container_add(GTK_CONTAINER(pw->search_button), hbox);
2528         gtk_widget_show(hbox);
2529         pw->search_button_arrow = gtk_arrow_new(GTK_ARROW_UP, GTK_SHADOW_NONE);
2530         gtk_box_pack_start(GTK_BOX(hbox), pw->search_button_arrow, FALSE, FALSE, 0);
2531         gtk_widget_show(pw->search_button_arrow);
2532         pref_label_new(hbox, _("Find"));
2533
2534         gtk_box_pack_end(GTK_BOX(box), pw->search_button, FALSE, FALSE, 0);
2535         gtk_widget_show(pw->search_button);
2536         g_signal_connect(G_OBJECT(pw->search_button), "clicked",
2537                          G_CALLBACK(pan_search_toggle_cb), pw);
2538
2539         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2540                          G_CALLBACK(pan_window_delete_cb), pw);
2541         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2542                          G_CALLBACK(pan_window_key_press_cb), pw);
2543
2544         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2545
2546         pan_layout_update(pw);
2547
2548         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2549         gtk_widget_show(pw->window);
2550
2551         pan_window_list = g_list_append(pan_window_list, pw);
2552 }
2553
2554 /*
2555  *-----------------------------------------------------------------------------
2556  * peformance warnings
2557  *-----------------------------------------------------------------------------
2558  */
2559
2560 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2561 {
2562         FileData *dir_fd = data;
2563
2564         generic_dialog_close(gd);
2565
2566         pan_window_new_real(dir_fd);
2567         file_data_unref(dir_fd);
2568 }
2569
2570 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
2571 {
2572         gint hide_dlg;
2573
2574         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2575         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2576 }
2577
2578 static gint pan_warning(FileData *dir_fd)
2579 {
2580         GenericDialog *gd;
2581         GtkWidget *box;
2582         GtkWidget *group;
2583         GtkWidget *button;
2584         GtkWidget *ct_button;
2585         gint hide_dlg;
2586
2587         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2588                 {
2589                 pan_warning_folder(dir_fd->path, NULL);
2590                 return TRUE;
2591                 }
2592
2593         if (options->thumbnails.enable_caching &&
2594             options->thumbnails.spec_standard) return FALSE;
2595
2596         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2597         if (hide_dlg) return FALSE;
2598
2599         gd = generic_dialog_new(_("Pan View Performance"), GQ_WMCLASS, "pan_view_warning", NULL, FALSE,
2600                                 NULL, NULL);
2601         gd->data = file_data_ref(dir_fd);
2602         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2603                                   pan_warning_ok_cb, TRUE);
2604
2605         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2606                                          _("Pan view performance may be poor."),
2607                                          _("To improve performance of thumbnails in the pan view the"
2608                                            " following options can be enabled. Note that both options"
2609                                            " must be enabled to notice a change in performance."));
2610
2611         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2612         pref_spacer(group, PREF_PAD_INDENT);
2613         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2614
2615         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2616                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2617         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2618                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2619         pref_checkbox_link_sensitivity(ct_button, button);
2620
2621         pref_line(box, 0);
2622
2623         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2624                           G_CALLBACK(pan_warning_hide_cb), NULL);
2625
2626         gtk_widget_show(gd->dialog);
2627
2628         return TRUE;
2629 }
2630
2631
2632 /*
2633  *-----------------------------------------------------------------------------
2634  * entry point
2635  *-----------------------------------------------------------------------------
2636  */
2637
2638 void pan_window_new(FileData *dir_fd)
2639 {
2640         if (pan_warning(dir_fd)) return;
2641
2642         pan_window_new_real(dir_fd);
2643 }
2644
2645
2646 /*
2647  *-----------------------------------------------------------------------------
2648  * menus
2649  *-----------------------------------------------------------------------------
2650  */
2651
2652 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2653
2654
2655 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2656 {
2657         PanWindow *pw = data;
2658         FileData *fd;
2659
2660         fd = pan_menu_click_fd(pw);
2661         if (fd)
2662                 {
2663                 pan_fullscreen_toggle(pw, TRUE);
2664                 view_window_new(fd);
2665                 }
2666 }
2667
2668 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2669 {
2670         PanWindow *pw;
2671         FileData *fd;
2672         gint n;
2673
2674         pw = submenu_item_get_data(widget);
2675         n = GPOINTER_TO_INT(data);
2676         if (!pw) return;
2677
2678         fd = pan_menu_click_fd(pw);
2679         if (fd)
2680                 {
2681                 if (!editor_window_flag_set(n))
2682                         {
2683                         pan_fullscreen_toggle(pw, TRUE);
2684                         }
2685                 file_util_start_editor_from_file(n, fd, pw->imd->widget);
2686                 }
2687 }
2688
2689 static void pan_info_cb(GtkWidget *widget, gpointer data)
2690 {
2691         PanWindow *pw = data;
2692         FileData *fd;
2693
2694         fd = pan_menu_click_fd(pw);
2695         if (fd) info_window_new(fd, NULL, NULL);
2696 }
2697
2698 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2699 {
2700         PanWindow *pw = data;
2701
2702         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2703 }
2704
2705 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2706 {
2707         PanWindow *pw = data;
2708
2709         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2710 }
2711
2712 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2713 {
2714         PanWindow *pw = data;
2715
2716         image_zoom_set(pw->imd, 1.0);
2717 }
2718
2719 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2720 {
2721         PanWindow *pw = data;
2722         FileData *fd;
2723
2724         fd = pan_menu_click_fd(pw);
2725         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2726 }
2727
2728 static void pan_move_cb(GtkWidget *widget, gpointer data)
2729 {
2730         PanWindow *pw = data;
2731         FileData *fd;
2732
2733         fd = pan_menu_click_fd(pw);
2734         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2735 }
2736
2737 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2738 {
2739         PanWindow *pw = data;
2740         FileData *fd;
2741
2742         fd = pan_menu_click_fd(pw);
2743         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2744 }
2745
2746 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2747 {
2748         PanWindow *pw = data;
2749         FileData *fd;
2750
2751         fd = pan_menu_click_fd(pw);
2752         if (fd) file_util_delete(fd, NULL, pw->imd->widget);
2753 }
2754
2755 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2756 {
2757         PanWindow *pw = data;
2758         FileData *fd;
2759
2760         fd = pan_menu_click_fd(pw);
2761         if (fd) file_util_copy_path_to_clipboard(fd);
2762 }
2763
2764 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2765 {
2766         PanWindow *pw = data;
2767
2768         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2769         pan_layout_update(pw);
2770 }
2771
2772 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2773 {
2774         PanWindow *pw = data;
2775
2776         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2777         /* fixme: sync info now */
2778 }
2779
2780 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2781 {
2782         PanWindow *pw = data;
2783
2784         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2785         /* fixme: sync info now */
2786 }
2787
2788 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2789 {
2790         PanWindow *pw = data;
2791
2792         pan_fullscreen_toggle(pw, FALSE);
2793 }
2794
2795 static void pan_close_cb(GtkWidget *widget, gpointer data)
2796 {
2797         PanWindow *pw = data;
2798
2799         pan_window_close(pw);
2800 }
2801
2802 static GtkWidget *pan_popup_menu(PanWindow *pw)
2803 {
2804         GtkWidget *menu;
2805         GtkWidget *submenu;
2806         GtkWidget *item;
2807         gint active;
2808
2809         active = (pw->click_pi != NULL);
2810
2811         menu = popup_menu_short_lived();
2812
2813         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2814                             G_CALLBACK(pan_zoom_in_cb), pw);
2815         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2816                             G_CALLBACK(pan_zoom_out_cb), pw);
2817         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2818                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2819         menu_item_add_divider(menu);
2820
2821         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw);
2822         gtk_widget_set_sensitive(item, active);
2823
2824         menu_item_add_stock_sensitive(menu, _("_Properties"), GTK_STOCK_PROPERTIES, active,
2825                                       G_CALLBACK(pan_info_cb), pw);
2826
2827         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2828                                       G_CALLBACK(pan_new_window_cb), pw);
2829
2830         menu_item_add_divider(menu);
2831         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2832                                       G_CALLBACK(pan_copy_cb), pw);
2833         menu_item_add_sensitive(menu, _("_Move..."), active,
2834                                 G_CALLBACK(pan_move_cb), pw);
2835         menu_item_add_sensitive(menu, _("_Rename..."), active,
2836                                 G_CALLBACK(pan_rename_cb), pw);
2837         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, active,
2838                                       G_CALLBACK(pan_delete_cb), pw);
2839         if (options->show_copy_path)
2840                 menu_item_add_sensitive(menu, _("_Copy path"), active,
2841                                         G_CALLBACK(pan_copy_path_cb), pw);
2842
2843         menu_item_add_divider(menu);
2844         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2845                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2846         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2847
2848         menu_item_add_divider(menu);
2849
2850         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2851                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2852         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2853         submenu = gtk_menu_new();
2854         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2855
2856         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2857                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2858         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2859
2860         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2861                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2862         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2863
2864         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2865                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2866         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2867
2868         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2869                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2870         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2871
2872         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2873                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2874         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2875
2876         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2877                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2878         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2879
2880
2881
2882         menu_item_add_divider(menu);
2883
2884         if (pw->fs)
2885                 {
2886                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2887                 }
2888         else
2889                 {
2890                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2891                 }
2892
2893         menu_item_add_divider(menu);
2894         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2895
2896         return menu;
2897 }
2898
2899
2900 /*
2901  *-----------------------------------------------------------------------------
2902  * drag and drop
2903  *-----------------------------------------------------------------------------
2904  */
2905
2906 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2907                                     gint x, gint y,
2908                                     GtkSelectionData *selection_data, guint info,
2909                                     guint time, gpointer data)
2910 {
2911         PanWindow *pw = data;
2912
2913         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2914
2915         if (info == TARGET_URI_LIST)
2916                 {
2917                 GList *list;
2918
2919                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
2920                 if (list && isdir(((FileData *)list->data)->path))
2921                         {
2922                         FileData *fd = list->data;
2923
2924                         pan_layout_set_fd(pw, fd);
2925                         }
2926
2927                 filelist_free(list);
2928                 }
2929 }
2930
2931 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2932                                     GtkSelectionData *selection_data, guint info,
2933                                     guint time, gpointer data)
2934 {
2935         PanWindow *pw = data;
2936         FileData *fd;
2937
2938         fd = pan_menu_click_fd(pw);
2939         if (fd)
2940                 {
2941                 gchar *text = NULL;
2942                 gint len;
2943                 gint plain_text;
2944                 GList *list;
2945
2946                 switch (info)
2947                         {
2948                         case TARGET_URI_LIST:
2949                                 plain_text = FALSE;
2950                                 break;
2951                         case TARGET_TEXT_PLAIN:
2952                         default:
2953                                 plain_text = TRUE;
2954                                 break;
2955                         }
2956                 list = g_list_append(NULL, fd);
2957                 text = uri_text_from_filelist(list, &len, plain_text);
2958                 g_list_free(list);
2959                 if (text)
2960                         {
2961                         gtk_selection_data_set(selection_data, selection_data->target,
2962                                                8, (guchar *)text, len);
2963                         g_free(text);
2964                         }
2965                 }
2966         else
2967                 {
2968                 gtk_selection_data_set(selection_data, selection_data->target,
2969                                        8, NULL, 0);
2970                 }
2971 }
2972
2973 static void pan_window_dnd_init(PanWindow *pw)
2974 {
2975         GtkWidget *widget;
2976
2977         widget = pw->imd->pr;
2978
2979         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2980                             dnd_file_drag_types, dnd_file_drag_types_count,
2981                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2982         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2983                          G_CALLBACK(pan_window_set_dnd_data), pw);
2984
2985         gtk_drag_dest_set(widget,
2986                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2987                           dnd_file_drop_types, dnd_file_drop_types_count,
2988                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2989         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2990                          G_CALLBACK(pan_window_get_dnd_data), pw);
2991 }
2992
2993 /*
2994  *-----------------------------------------------------------------------------
2995  * maintenance (for rename, move, remove)
2996  *-----------------------------------------------------------------------------
2997  */
2998 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */