src/pan-view/pan-view.c

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