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)
1215                                         {
1216                                         options->file_ops.safe_delete_enable = TRUE;
1217                                         file_util_delete(fd, NULL, GTK_WIDGET(pr));
1218                                         }
1219                                 break;
1220                         case 'F': case 'f':
1221                                 pan_search_toggle_visible(pw, TRUE);
1222                                 break;
1223                         case 'G': case 'g':
1224                                 pan_search_activate(pw);
1225                                 break;
1226                         case 'W': case 'w':
1227                                 pan_window_close(pw);
1228                                 break;
1229                         default:
1230                                 stop_signal = FALSE;
1231                                 break;
1232                         }
1233                 }
1234         else
1235                 {
1236                 stop_signal = TRUE;
1237                 switch (event->keyval)
1238                         {
1239                         case GDK_KEY_Escape:
1240                                 if (pw->fs)
1241                                         {
1242                                         pan_fullscreen_toggle(pw, TRUE);
1243                                         }
1244                                 else
1245                                         {
1246                                         pan_search_toggle_visible(pw, FALSE);
1247                                         }
1248                                 break;
1249                         default:
1250                                 stop_signal = FALSE;
1251                                 break;
1252                         }
1253
1254                 if (stop_signal) return stop_signal;
1255
1256                 // Don't steal characters from entry boxes.
1257                 if (!on_entry)
1258                         {
1259                         stop_signal = TRUE;
1260                         switch (event->keyval)
1261                                 {
1262                                 case '+': case '=': case GDK_KEY_KP_Add:
1263                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1264                                         break;
1265                                 case '-': case GDK_KEY_KP_Subtract:
1266                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1267                                         break;
1268                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1269                                         pixbuf_renderer_zoom_set(pr, 1.0);
1270                                         break;
1271                                 case '2':
1272                                         pixbuf_renderer_zoom_set(pr, 2.0);
1273                                         break;
1274                                 case '3':
1275                                         pixbuf_renderer_zoom_set(pr, 3.0);
1276                                         break;
1277                                 case '4':
1278                                         pixbuf_renderer_zoom_set(pr, 4.0);
1279                                         break;
1280                                 case '7':
1281                                         pixbuf_renderer_zoom_set(pr, -4.0);
1282                                         break;
1283                                 case '8':
1284                                         pixbuf_renderer_zoom_set(pr, -3.0);
1285                                         break;
1286                                 case '9':
1287                                         pixbuf_renderer_zoom_set(pr, -2.0);
1288                                         break;
1289                                 case 'F': case 'f':
1290                                 case 'V': case 'v':
1291                                 case GDK_KEY_F11:
1292                                         pan_fullscreen_toggle(pw, FALSE);
1293                                         break;
1294                                 case 'I': case 'i':
1295                                         break;
1296                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1297                                         break;
1298                                 case GDK_KEY_Menu:
1299                                 case GDK_KEY_F10:
1300                                         menu = pan_popup_menu(pw);
1301                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1302                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1303                                         break;
1304                                 case '/':
1305                                         pan_search_toggle_visible(pw, TRUE);
1306                                         break;
1307                                         stop_signal = FALSE;
1308                                         break;
1309                                 }
1310                         }
1311                 }
1312         if (!stop_signal && is_help_key(event))
1313                 {
1314                 help_window_show("GuideOtherWindowsPanView.html");
1315                 stop_signal = TRUE;
1316                 }
1317
1318         return stop_signal;
1319 }
1320
1321 /*
1322  *-----------------------------------------------------------------------------
1323  * info popup
1324  *-----------------------------------------------------------------------------
1325  */
1326
1327 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1328 {
1329         GList *exif_list;
1330         gchar *text;
1331         gchar *title;
1332         gchar *key;
1333
1334         if (!fd) return;
1335
1336         exif_list = bar_pane_exif_list();
1337         while (exif_list)
1338                 {
1339                 title = exif_list->data;
1340                 exif_list = exif_list->next;
1341                 key = exif_list->data;
1342                 exif_list = exif_list->next;
1343
1344                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1345                 if (text && text[0] != '\0')
1346                         {
1347                         pan_text_alignment_add(ta, title, text);
1348                         }
1349
1350                 g_free(text);
1351                 }
1352
1353         string_list_free(exif_list);
1354 }
1355
1356
1357 void pan_info_update(PanWindow *pw, PanItem *pi)
1358 {
1359         PanTextAlignment *ta;
1360         PanItem *pbox;
1361         PanItem *p;
1362         gchar *buf;
1363         gint x1, y1, x2, y2, x3, y3;
1364         gint x, y, w, h;
1365
1366         if (pw->click_pi == pi) return;
1367         if (pi && !pi->fd) pi = NULL;
1368
1369         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1370         pw->click_pi = pi;
1371
1372         if (!pi) return;
1373
1374         DEBUG_1("info set to %s", pi->fd->path);
1375
1376         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1377                                 PAN_POPUP_BORDER,
1378                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1379                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1380         pan_item_set_key(pbox, "info");
1381
1382         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1383                 {
1384                 w = gdk_pixbuf_get_width(pi->pixbuf);
1385                 h = gdk_pixbuf_get_height(pi->pixbuf);
1386
1387                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1388                 y1 = pi->y + (pi->height - h) / 2 + 8;
1389                 }
1390         else
1391                 {
1392                 x1 = pi->x + pi->width - 8;
1393                 y1 = pi->y + 8;
1394                 }
1395
1396         x2 = pbox->x + 1;
1397         y2 = pbox->y + 36;
1398         x3 = pbox->x + 1;
1399         y3 = pbox->y + 12;
1400         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1401                            &x, &y, &w, &h);
1402
1403         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1404                              x1, y1, x2, y2, x3, y3,
1405                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1406         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1407         pan_item_set_key(p, "info");
1408         pan_item_added(pw, p);
1409
1410         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1411
1412         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1413         buf = remove_level_from_path(pi->fd->path);
1414         pan_text_alignment_add(ta, _("Location:"), buf);
1415         g_free(buf);
1416         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1417         buf = text_from_size(pi->fd->size);
1418         pan_text_alignment_add(ta, _("Size:"), buf);
1419         g_free(buf);
1420
1421         if (pw->info_includes_exif)
1422                 {
1423                 pan_info_add_exif(ta, pi->fd);
1424                 }
1425
1426         pan_text_alignment_calc(ta, pbox);
1427         pan_text_alignment_free(ta);
1428
1429         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1430         pan_item_added(pw, pbox);
1431
1432         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1433                 {
1434                 gint iw, ih;
1435                 if (image_load_dimensions(pi->fd, &iw, &ih))
1436                         {
1437                         gint scale = 25;
1438
1439                         switch (pw->info_image_size)
1440                                 {
1441                                 case PAN_IMAGE_SIZE_10:
1442                                         scale = 10;
1443                                         break;
1444                                 case PAN_IMAGE_SIZE_25:
1445                                         scale = 25;
1446                                         break;
1447                                 case PAN_IMAGE_SIZE_33:
1448                                         scale = 33;
1449                                         break;
1450                                 case PAN_IMAGE_SIZE_50:
1451                                         scale = 50;
1452                                         break;
1453                                 case PAN_IMAGE_SIZE_100:
1454                                         scale = 100;
1455                                         break;
1456                                 }
1457
1458                         iw = MAX(1, iw * scale / 100);
1459                         ih = MAX(1, ih * scale / 100);
1460
1461                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1462                                                 PAN_POPUP_BORDER,
1463                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1464                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1465                         pan_item_set_key(pbox, "info");
1466
1467                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1468                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1469                         pan_item_set_key(p, "info");
1470                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1471
1472                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1473                         pan_item_added(pw, pbox);
1474                         }
1475                 }
1476
1477         pan_layout_resize(pw);
1478 }
1479
1480
1481 /*
1482  *-----------------------------------------------------------------------------
1483  * main window
1484  *-----------------------------------------------------------------------------
1485  */
1486
1487 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1488 {
1489         PanWindow *pw = data;
1490         PanItem *pi = NULL;
1491         GtkWidget *menu;
1492         gint rx, ry;
1493
1494         rx = ry = 0;
1495         if (pr->scale)
1496                 {
1497                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1498                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1499                 }
1500
1501         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1502         if (pi && event->button == MOUSE_BUTTON_LEFT)
1503                 {
1504                 pan_info_update(pw, NULL);
1505                 return;
1506                 }
1507
1508         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1509                                     rx, ry, NULL);
1510
1511         switch (event->button)
1512                 {
1513                 case MOUSE_BUTTON_LEFT:
1514                         pan_info_update(pw, pi);
1515
1516                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1517                                 {
1518                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1519                                 pan_calendar_update(pw, pi);
1520                                 }
1521                         break;
1522                 case MOUSE_BUTTON_MIDDLE:
1523                         break;
1524                 case MOUSE_BUTTON_RIGHT:
1525                         pan_info_update(pw, pi);
1526                         menu = pan_popup_menu(pw);
1527                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1528                         break;
1529                 default:
1530                         break;
1531                 }
1532 }
1533
1534 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
1535 {
1536         gint w, h;
1537
1538         w = pr->vis_width;
1539         h = pr->vis_height;
1540
1541         if (!(event->state & GDK_SHIFT_MASK))
1542                 {
1543                 w /= 3;
1544                 h /= 3;
1545                 }
1546
1547         if (event->state & GDK_CONTROL_MASK)
1548                 {
1549                 switch (event->direction)
1550                         {
1551                         case GDK_SCROLL_UP:
1552                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1553                                                                      (gint)event->x, (gint)event->y);
1554                                 break;
1555                         case GDK_SCROLL_DOWN:
1556                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1557                                                                      (gint)event->x, (gint)event->y);
1558                                 break;
1559                         default:
1560                                 break;
1561                         }
1562                 }
1563         else
1564                 {
1565                 switch (event->direction)
1566                         {
1567                         case GDK_SCROLL_UP:
1568                                 pixbuf_renderer_scroll(pr, 0, -h);
1569                                 break;
1570                         case GDK_SCROLL_DOWN:
1571                                 pixbuf_renderer_scroll(pr, 0, h);
1572                                 break;
1573                         case GDK_SCROLL_LEFT:
1574                                 pixbuf_renderer_scroll(pr, -w, 0);
1575                                 break;
1576                         case GDK_SCROLL_RIGHT:
1577                                 pixbuf_renderer_scroll(pr, w, 0);
1578                                 break;
1579                         default:
1580                                 break;
1581                         }
1582                 }
1583 }
1584
1585 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1586 {
1587         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1588                          G_CALLBACK(button_cb), pw);
1589         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1590                          G_CALLBACK(scroll_cb), pw);
1591 }
1592
1593 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
1594 {
1595         PanWindow *pw = data;
1596
1597         pw->fs = NULL;
1598         pw->imd = pw->imd_normal;
1599 }
1600
1601 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1602 {
1603         if (force_off && !pw->fs) return;
1604
1605         if (pw->fs)
1606                 {
1607                 fullscreen_stop(pw->fs);
1608                 }
1609         else
1610                 {
1611                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1612                 pan_image_set_buttons(pw, pw->fs->imd);
1613                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1614                                  G_CALLBACK(pan_window_key_press_cb), pw);
1615
1616                 pw->imd = pw->fs->imd;
1617                 }
1618 }
1619
1620 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
1621 {
1622         PanWindow *pw = data;
1623         gchar *text;
1624
1625         text = image_zoom_get_as_text(pw->imd);
1626         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1627         g_free(text);
1628 }
1629
1630 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1631 {
1632         PanWindow *pw = data;
1633         GtkAdjustment *adj;
1634         GdkRectangle rect;
1635         gint width, height;
1636
1637         if (pr->scale == 0.0) return;
1638
1639         pixbuf_renderer_get_visible_rect(pr, &rect);
1640         pixbuf_renderer_get_image_size(pr, &width, &height);
1641
1642         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1643         gtk_adjustment_set_page_size(adj, rect.width);
1644         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1645         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1646         gtk_adjustment_set_lower(adj, 0.0);
1647         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1648         gtk_adjustment_set_value(adj, (gdouble)rect.x);
1649
1650         pref_signal_block_data(pw->scrollbar_h, pw);
1651         gtk_adjustment_changed(adj);
1652         gtk_adjustment_value_changed(adj);
1653         pref_signal_unblock_data(pw->scrollbar_h, pw);
1654
1655         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1656         gtk_adjustment_set_page_size(adj, rect.height);
1657         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1658         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1659         gtk_adjustment_set_lower(adj, 0.0);
1660         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1661         gtk_adjustment_set_value(adj, (gdouble)rect.y);
1662
1663         pref_signal_block_data(pw->scrollbar_v, pw);
1664         gtk_adjustment_changed(adj);
1665         gtk_adjustment_value_changed(adj);
1666         pref_signal_unblock_data(pw->scrollbar_v, pw);
1667 }
1668
1669 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1670 {
1671         PanWindow *pw = data;
1672         PixbufRenderer *pr;
1673         gint x;
1674
1675         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1676
1677         if (!pr->scale) return;
1678
1679         x = (gint)gtk_range_get_value(range);
1680
1681         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
1682 }
1683
1684 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1685 {
1686         PanWindow *pw = data;
1687         PixbufRenderer *pr;
1688         gint y;
1689
1690         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1691
1692         if (!pr->scale) return;
1693
1694         y = (gint)gtk_range_get_value(range);
1695
1696         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
1697 }
1698
1699 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1700 {
1701         PanWindow *pw = data;
1702
1703         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1704         pan_layout_update(pw);
1705 }
1706
1707 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1708 {
1709         PanWindow *pw = data;
1710
1711         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1712         pan_layout_update(pw);
1713 }
1714
1715 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1716 {
1717         PanWindow *pw = data;
1718         gchar *path;
1719
1720         path = remove_trailing_slash(new_text);
1721         parse_out_relatives(path);
1722
1723         if (!isdir(path))
1724                 {
1725                 warning_dialog(_("Folder not found"),
1726                                _("The entered path is not a folder"),
1727                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
1728                 }
1729         else
1730                 {
1731                 FileData *dir_fd = file_data_new_dir(path);
1732                 tab_completion_append_to_history(pw->path_entry, path);
1733
1734                 pan_layout_set_fd(pw, dir_fd);
1735                 file_data_unref(dir_fd);
1736                 }
1737
1738         g_free(path);
1739 }
1740
1741 static void pan_window_close(PanWindow *pw)
1742 {
1743         pan_window_list = g_list_remove(pan_window_list, pw);
1744
1745         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1746         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1747         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1748
1749         if (pw->idle_id)
1750                 {
1751                 g_source_remove(pw->idle_id);
1752                 }
1753
1754         pan_fullscreen_toggle(pw, TRUE);
1755         pan_search_ui_destroy(&pw->search_ui);
1756         pan_filter_ui_destroy(&pw->filter_ui);
1757         gtk_widget_destroy(pw->window);
1758
1759         pan_window_items_free(pw);
1760         pan_cache_free(pw);
1761
1762         file_data_unref(pw->dir_fd);
1763
1764         g_free(pw);
1765 }
1766
1767 static gboolean pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
1768 {
1769         PanWindow *pw = data;
1770
1771         pan_window_close(pw);
1772         return TRUE;
1773 }
1774
1775 static void pan_window_new_real(FileData *dir_fd)
1776 {
1777         PanWindow *pw;
1778         GtkWidget *vbox;
1779         GtkWidget *box;
1780         GtkWidget *combo;
1781         GtkWidget *hbox;
1782         GtkWidget *frame;
1783         GtkWidget *table;
1784         GdkGeometry geometry;
1785
1786         pw = g_new0(PanWindow, 1);
1787
1788         pw->dir_fd = file_data_ref(dir_fd);
1789         pw->layout = PAN_LAYOUT_TIMELINE;
1790         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1791         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1792         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1793
1794         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1795                 {
1796                 pw->exif_date_enable = FALSE;
1797                 }
1798         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1799                 {
1800                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1801                 }
1802         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1803                 {
1804                 pw->info_includes_exif = TRUE;
1805                 }
1806
1807         pw->ignore_symlinks = TRUE;
1808
1809         pw->idle_id = 0;
1810
1811         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
1812
1813         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1814         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1815         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
1816
1817         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1818         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1819
1820         vbox = gtk_vbox_new(FALSE, 0);
1821         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1822         gtk_widget_show(vbox);
1823
1824         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1825
1826         pref_spacer(box, 0);
1827         pref_label_new(box, _("Location:"));
1828         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1829                                                 pan_window_entry_activate_cb, pw);
1830         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1831         gtk_widget_show(combo);
1832
1833         combo = gtk_combo_box_text_new();
1834         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1835         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1836         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1837         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1838         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1839
1840         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1841         g_signal_connect(G_OBJECT(combo), "changed",
1842                          G_CALLBACK(pan_window_layout_change_cb), pw);
1843         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1844         gtk_widget_show(combo);
1845
1846         combo = gtk_combo_box_text_new();
1847         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1848         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1849         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1850         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1851         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1852         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1853         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1854         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1855         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1856         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1857
1858         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1859         g_signal_connect(G_OBJECT(combo), "changed",
1860                          G_CALLBACK(pan_window_layout_size_cb), pw);
1861         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1862         gtk_widget_show(combo);
1863
1864         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1865         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
1866         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
1867
1868         pw->imd = image_new(TRUE);
1869         pw->imd_normal = pw->imd;
1870
1871         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1872                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1873         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1874                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1875
1876         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
1877                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
1878         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1879
1880         pan_window_dnd_init(pw);
1881
1882         pan_image_set_buttons(pw, pw->imd);
1883
1884         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
1885         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1886                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1887         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
1888                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
1889         gtk_widget_show(pw->scrollbar_h);
1890
1891         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
1892         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1893                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1894         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
1895                          0, GTK_FILL | GTK_EXPAND, 0, 0);
1896         gtk_widget_show(pw->scrollbar_v);
1897
1898         /* find bar */
1899
1900         pw->search_ui = pan_search_ui_new(pw);
1901         gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1902
1903     /* filter bar */
1904     pw->filter_ui = pan_filter_ui_new(pw);
1905     gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1906
1907         /* status bar */
1908
1909         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1910
1911         frame = gtk_frame_new(NULL);
1912         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1913         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1914         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1915         gtk_widget_show(frame);
1916
1917         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
1918         gtk_container_add(GTK_CONTAINER(frame), hbox);
1919         gtk_widget_show(hbox);
1920
1921         pref_spacer(hbox, 0);
1922         pw->label_message = pref_label_new(hbox, "");
1923
1924         frame = gtk_frame_new(NULL);
1925         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1926         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1927         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1928         gtk_widget_show(frame);
1929
1930         pw->label_zoom = gtk_label_new("");
1931         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1932         gtk_widget_show(pw->label_zoom);
1933
1934         // Add the "Find" button to the status bar area.
1935         gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1936         gtk_widget_show(pw->search_ui->search_button);
1937
1938         // Add the "Filter" button to the status bar area.
1939         gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1940         gtk_widget_show(pw->filter_ui->filter_button);
1941
1942         g_signal_connect(G_OBJECT(pw->window), "delete_event",
1943                          G_CALLBACK(pan_window_delete_cb), pw);
1944         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
1945                          G_CALLBACK(pan_window_key_press_cb), pw);
1946
1947         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
1948
1949         pan_layout_update(pw);
1950
1951         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1952         gtk_widget_show(pw->window);
1953
1954         pan_window_list = g_list_append(pan_window_list, pw);
1955 }
1956
1957 /*
1958  *-----------------------------------------------------------------------------
1959  * peformance warnings
1960  *-----------------------------------------------------------------------------
1961  */
1962
1963 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
1964 {
1965         FileData *dir_fd = data;
1966
1967         generic_dialog_close(gd);
1968
1969         pan_window_new_real(dir_fd);
1970         file_data_unref(dir_fd);
1971 }
1972
1973 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
1974 {
1975         gboolean hide_dlg;
1976
1977         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
1978         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
1979 }
1980
1981 static gboolean pan_warning(FileData *dir_fd)
1982 {
1983         GenericDialog *gd;
1984         GtkWidget *box;
1985         GtkWidget *group;
1986         GtkWidget *button;
1987         GtkWidget *ct_button;
1988         gboolean hide_dlg;
1989
1990         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1991                 {
1992                 pan_warning_folder(dir_fd->path, NULL);
1993                 return TRUE;
1994                 }
1995
1996         if (options->thumbnails.enable_caching &&
1997             options->thumbnails.spec_standard) return FALSE;
1998
1999         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2000         if (hide_dlg) return FALSE;
2001
2002         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", NULL, FALSE,
2003                                 NULL, NULL);
2004         gd->data = file_data_ref(dir_fd);
2005         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2006                                   pan_warning_ok_cb, TRUE);
2007
2008         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2009                                          _("Pan view performance may be poor."),
2010                                          _("To improve the performance of thumbnails in\npan view the following options can be enabled.\n\nNote that both options must be enabled to\nnotice a change in performance."), TRUE);
2011
2012         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2013         pref_spacer(group, PREF_PAD_INDENT);
2014         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2015
2016         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2017                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2018         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2019                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2020         pref_checkbox_link_sensitivity(ct_button, button);
2021
2022         pref_line(box, 0);
2023
2024         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2025                           G_CALLBACK(pan_warning_hide_cb), NULL);
2026
2027         gtk_widget_show(gd->dialog);
2028
2029         return TRUE;
2030 }
2031
2032
2033 /*
2034  *-----------------------------------------------------------------------------
2035  * entry point
2036  *-----------------------------------------------------------------------------
2037  */
2038
2039 void pan_window_new(FileData *dir_fd)
2040 {
2041         if (pan_warning(dir_fd)) return;
2042
2043         pan_window_new_real(dir_fd);
2044 }
2045
2046
2047 /*
2048  *-----------------------------------------------------------------------------
2049  * menus
2050  *-----------------------------------------------------------------------------
2051  */
2052
2053 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2054
2055
2056 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2057 {
2058         PanWindow *pw = data;
2059         FileData *fd;
2060
2061         fd = pan_menu_click_fd(pw);
2062         if (fd)
2063                 {
2064                 pan_fullscreen_toggle(pw, TRUE);
2065                 view_window_new(fd);
2066                 }
2067 }
2068
2069 static void pan_go_to_original_cb(GtkWidget *widget, gpointer data)
2070 {
2071         LayoutWindow *lw = NULL;
2072         PanWindow *pw = data;
2073         FileData *fd;
2074
2075         if (!layout_valid(&lw)) return;
2076
2077         fd = pan_menu_click_fd(pw);
2078         if (fd)
2079                 {
2080                 layout_set_fd(lw, fd);
2081                 }
2082 }
2083
2084 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2085 {
2086         PanWindow *pw;
2087         FileData *fd;
2088         const gchar *key = data;
2089
2090         pw = submenu_item_get_data(widget);
2091         if (!pw) return;
2092
2093         fd = pan_menu_click_fd(pw);
2094         if (fd)
2095                 {
2096                 if (!editor_window_flag_set(key))
2097                         {
2098                         pan_fullscreen_toggle(pw, TRUE);
2099                         }
2100                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2101                 }
2102 }
2103
2104 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2105 {
2106         PanWindow *pw = data;
2107
2108         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2109 }
2110
2111 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2112 {
2113         PanWindow *pw = data;
2114
2115         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2116 }
2117
2118 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2119 {
2120         PanWindow *pw = data;
2121
2122         image_zoom_set(pw->imd, 1.0);
2123 }
2124
2125 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2126 {
2127         PanWindow *pw = data;
2128         FileData *fd;
2129
2130         fd = pan_menu_click_fd(pw);
2131         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2132 }
2133
2134 static void pan_move_cb(GtkWidget *widget, gpointer data)
2135 {
2136         PanWindow *pw = data;
2137         FileData *fd;
2138
2139         fd = pan_menu_click_fd(pw);
2140         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2141 }
2142
2143 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2144 {
2145         PanWindow *pw = data;
2146         FileData *fd;
2147
2148         fd = pan_menu_click_fd(pw);
2149         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2150 }
2151
2152 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2153 {
2154         PanWindow *pw = data;
2155         FileData *fd;
2156
2157         fd = pan_menu_click_fd(pw);
2158         if (fd)
2159                 {
2160                 options->file_ops.safe_delete_enable = FALSE;
2161                 file_util_delete(fd, NULL, pw->imd->widget);
2162                 }
2163 }
2164
2165 static void pan_move_to_trash_cb(GtkWidget *widget, gpointer data)
2166 {
2167         PanWindow *pw = data;
2168         FileData *fd;
2169
2170         fd = pan_menu_click_fd(pw);
2171         if (fd)
2172                 {
2173                 options->file_ops.safe_delete_enable = TRUE;
2174                 file_util_delete(fd, NULL, pw->imd->widget);
2175                 }
2176 }
2177
2178 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2179 {
2180         PanWindow *pw = data;
2181         FileData *fd;
2182
2183         fd = pan_menu_click_fd(pw);
2184         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2185 }
2186
2187 static void pan_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
2188 {
2189         PanWindow *pw = data;
2190         FileData *fd;
2191
2192         fd = pan_menu_click_fd(pw);
2193         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2194 }
2195
2196 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2197 {
2198         PanWindow *pw = data;
2199
2200         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2201         pan_layout_update(pw);
2202 }
2203
2204 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2205 {
2206         PanWindow *pw = data;
2207
2208         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2209         /* fixme: sync info now */
2210 }
2211
2212 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2213 {
2214         PanWindow *pw = data;
2215
2216         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2217         /* fixme: sync info now */
2218 }
2219
2220 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2221 {
2222         PanWindow *pw = data;
2223
2224         pan_fullscreen_toggle(pw, FALSE);
2225 }
2226
2227 static void pan_close_cb(GtkWidget *widget, gpointer data)
2228 {
2229         PanWindow *pw = data;
2230
2231         pan_window_close(pw);
2232 }
2233
2234 static void pan_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
2235 {
2236         GList *editmenu_fd_list = data;
2237
2238         filelist_free(editmenu_fd_list);
2239 }
2240
2241 static void pan_play_cb(GtkWidget *widget, gpointer data)
2242 {
2243         PanWindow *pw = data;
2244
2245         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2246 }
2247
2248 static GList *pan_view_get_fd_list(PanWindow *pw)
2249 {
2250         GList *list = NULL;
2251         FileData *fd = pan_menu_click_fd(pw);
2252
2253         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2254
2255         return list;
2256 }
2257
2258 /**
2259  * @brief Add file selection list to a collection
2260  * @param[in] widget
2261  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2262  *
2263  *
2264  */
2265 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2266 {
2267         PanWindow *pw;
2268         GList *selection_list = NULL;
2269
2270         pw = submenu_item_get_data(widget);
2271         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2272         pop_menu_collections(selection_list, data);
2273
2274         filelist_free(selection_list);
2275 }
2276
2277 static GtkWidget *pan_popup_menu(PanWindow *pw)
2278 {
2279         GtkWidget *menu;
2280         GtkWidget *submenu;
2281         GtkWidget *item;
2282         gboolean active, video;
2283         GList *editmenu_fd_list;
2284
2285         active = (pw->click_pi != NULL);
2286         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2287
2288         menu = popup_menu_short_lived();
2289
2290         menu_item_add_stock_sensitive(menu, _("_Play"), GTK_STOCK_MEDIA_PLAY, video,
2291                             G_CALLBACK(pan_play_cb), pw);
2292         menu_item_add_divider(menu);
2293
2294         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2295                             G_CALLBACK(pan_zoom_in_cb), pw);
2296         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2297                             G_CALLBACK(pan_zoom_out_cb), pw);
2298         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2299                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2300         menu_item_add_divider(menu);
2301
2302         editmenu_fd_list = pan_view_get_fd_list(pw);
2303         g_signal_connect(G_OBJECT(menu), "destroy",
2304                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2305
2306         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2307         gtk_widget_set_sensitive(item, active);
2308
2309         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2310                                       G_CALLBACK(pan_new_window_cb), pw);
2311         menu_item_add_stock(menu, _("Go to original"), GTK_STOCK_FIND,
2312                         G_CALLBACK(pan_go_to_original_cb), pw);
2313
2314         menu_item_add_divider(menu);
2315         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2316                                       G_CALLBACK(pan_copy_cb), pw);
2317         menu_item_add_sensitive(menu, _("_Move..."), active,
2318                                 G_CALLBACK(pan_move_cb), pw);
2319         menu_item_add_sensitive(menu, _("_Rename..."), active,
2320                                 G_CALLBACK(pan_rename_cb), pw);
2321         menu_item_add_sensitive(menu, _("_Copy path"), active,
2322                                 G_CALLBACK(pan_copy_path_cb), pw);
2323         menu_item_add_sensitive(menu, _("_Copy path unquoted"), active,
2324                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2325
2326         menu_item_add_divider(menu);
2327         menu_item_add_stock_sensitive(menu,
2328                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2329                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH, active,
2330                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2331         menu_item_add_stock_sensitive(menu,
2332                                 options->file_ops.confirm_delete ? _("_Delete...") :
2333                                         _("_Delete"), GTK_STOCK_DELETE, active,
2334                                                 G_CALLBACK(pan_delete_cb), pw);
2335
2336         menu_item_add_divider(menu);
2337
2338         submenu = submenu_add_collections(menu, &item,
2339                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2340         gtk_widget_set_sensitive(item, TRUE);
2341         menu_item_add_divider(menu);
2342
2343
2344         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2345                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2346         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2347
2348         menu_item_add_divider(menu);
2349
2350         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2351                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2352         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2353         submenu = gtk_menu_new();
2354         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2355
2356         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2357                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2358         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2359
2360         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2361                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2362         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2363
2364         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2365                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2366         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2367
2368         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2369                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2370         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2371
2372         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2373                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2374         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2375
2376         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2377                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2378         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2379
2380
2381
2382         menu_item_add_divider(menu);
2383
2384         if (pw->fs)
2385                 {
2386                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2387                 }
2388         else
2389                 {
2390                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2391                 }
2392
2393         menu_item_add_divider(menu);
2394         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2395
2396         return menu;
2397 }
2398
2399
2400 /*
2401  *-----------------------------------------------------------------------------
2402  * drag and drop
2403  *-----------------------------------------------------------------------------
2404  */
2405
2406 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2407                                     gint x, gint y,
2408                                     GtkSelectionData *selection_data, guint info,
2409                                     guint time, gpointer data)
2410 {
2411         PanWindow *pw = data;
2412
2413         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2414
2415         if (info == TARGET_URI_LIST)
2416                 {
2417                 GList *list;
2418
2419                 list = uri_filelist_from_gtk_selection_data(selection_data);
2420                 if (list && isdir(((FileData *)list->data)->path))
2421                         {
2422                         FileData *fd = list->data;
2423
2424                         pan_layout_set_fd(pw, fd);
2425                         }
2426
2427                 filelist_free(list);
2428                 }
2429 }
2430
2431 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2432                                     GtkSelectionData *selection_data, guint info,
2433                                     guint time, gpointer data)
2434 {
2435         PanWindow *pw = data;
2436         FileData *fd;
2437
2438         fd = pan_menu_click_fd(pw);
2439         if (fd)
2440                 {
2441                 GList *list;
2442
2443                 list = g_list_append(NULL, fd);
2444                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2445                 g_list_free(list);
2446                 }
2447         else
2448                 {
2449                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2450                                        8, NULL, 0);
2451                 }
2452 }
2453
2454 static void pan_window_dnd_init(PanWindow *pw)
2455 {
2456         GtkWidget *widget;
2457
2458         widget = pw->imd->pr;
2459
2460         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2461                             dnd_file_drag_types, dnd_file_drag_types_count,
2462                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2463         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2464                          G_CALLBACK(pan_window_set_dnd_data), pw);
2465
2466         gtk_drag_dest_set(widget,
2467                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2468                           dnd_file_drop_types, dnd_file_drop_types_count,
2469                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2470         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2471                          G_CALLBACK(pan_window_get_dnd_data), pw);
2472 }
2473
2474 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */