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 "main.h"
  25 #include "bar-exif.h"
  26 #include "dnd.h"
  27 #include "editors.h"
  28 #include "exif.h"
  29 #include "fullscreen.h"
  30 #include "history-list.h"
  31 #include "image.h"
  32 #include "img-view.h"
  33 #include "layout-util.h"
  34 #include "menu.h"
  35 #include "metadata.h"
  36 #include "misc.h"
  37 #include "pan-calendar.h"
  38 #include "pan-folder.h"
  39 #include "pan-grid.h"
  40 #include "pan-item.h"
  41 #include "pan-timeline.h"
  42 #include "pan-util.h"
  43 #include "pan-view-filter.h"
  44 #include "pan-view-search.h"
  45 #include "pixbuf-renderer.h"
  46 #include "pixbuf-util.h"
  47 #include "thumb.h"
  48 #include "ui-fileops.h"
  49 #include "ui-menu.h"
  50 #include "ui-misc.h"
  51 #include "ui-tabcomp.h"
  52 #include "ui-utildlg.h"
  53 #include "uri-utils.h"
  54 #include "utilops.h"
  55 #include "window.h"
  56
  57 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  58
  59 #include <math.h>
  60
  61
  62 #define PAN_WINDOW_DEFAULT_WIDTH 720
  63 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  64
  65 #define PAN_TILE_SIZE 512
  66
  67 #define ZOOM_INCREMENT 1.0
  68 #define ZOOM_LABEL_WIDTH 64
  69
  70
  71 #define PAN_PREF_GROUP          "pan_view_options"
  72 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  73 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  74 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  75 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  76
  77
  78 static GList *pan_window_list = NULL;
  79
  80
  81 static void pan_layout_update_idle(PanWindow *pw);
  82
  83 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  84
  85 static void pan_window_close(PanWindow *pw);
  86
  87 static GtkWidget *pan_popup_menu(PanWindow *pw);
  88
  89 static void pan_window_dnd_init(PanWindow *pw);
  90
  91 /**
  92  * This array must be kept in sync with the contents of:\n
  93  * @link pan_window_key_press_cb @endlink \n
  94  * @link pan_popup_menu @endlink
  95  *
  96  * See also @link hard_coded_window_keys @endlink
  97  **/
  98 hard_coded_window_keys pan_view_window_keys[] = {
  99         {GDK_CONTROL_MASK, 'C', N_("Copy")},
 100         {GDK_CONTROL_MASK, 'M', N_("Move")},
 101         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 102         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 103         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 104         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 105         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 106         {0, GDK_KEY_Escape, N_("Exit fullscreen")},
 107         {0, GDK_KEY_Escape, N_("Hide Find search bar")},
 108         {0, GDK_KEY_equal, N_("Zoom in")},
 109         {0, GDK_KEY_plus, N_("Zoom in")},
 110         {0, GDK_KEY_minus, N_("Zoom out")},
 111         {0, GDK_KEY_Z, N_("Zoom 1:1")},
 112         {0, GDK_KEY_1, N_("Zoom 1:1")},
 113         {0, GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 114         {0, '2', N_("Zoom 2:1")},
 115         {0, '3', N_("Zoom 3:1")},
 116         {0, '4', N_("Zoom 4:1")},
 117         {0, '7', N_("Zoom 1:4")},
 118         {0, '8', N_("Zoom 1:3")},
 119         {0, '9', N_("Zoom 1:2")},
 120         {0, 'F', N_("Full screen")},
 121         {0, 'V', N_("Full screen")},
 122         {0, GDK_KEY_F11, N_("Full screen")},
 123         {0, '/', N_("Display Find search bar")},
 124         {0, GDK_KEY_Left, N_("Scroll left")},
 125         {0, GDK_KEY_Right, N_("Scroll right")},
 126         {0, GDK_KEY_Up, N_("Scroll up")},
 127         {0, GDK_KEY_Down, N_("Scroll down")},
 128         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 129         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 130         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 131         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 132         {0, GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 133         {0, GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 134         {0, GDK_KEY_Home, N_("Scroll display half screen left")},
 135         {0, GDK_KEY_End, N_("Scroll display half screen right")},
 136         {0, 0, NULL}
 137 };
 138
 139 /*
 140  *-----------------------------------------------------------------------------
 141  * the image/thumb loader queue
 142  *-----------------------------------------------------------------------------
 143  */
 144
 145 static gboolean pan_queue_step(PanWindow *pw);
 146
 147
 148 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 149 {
 150         PanWindow *pw = data;
 151
 152         if (pw->queue_pi)
 153                 {
 154                 PanItem *pi;
 155                 gint rc;
 156
 157                 pi = pw->queue_pi;
 158                 pw->queue_pi = NULL;
 159
 160                 pi->queued = FALSE;
 161
 162                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 163                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 164
 165                 rc = pi->refcount;
 166                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 167                 pi->refcount = rc;
 168                 }
 169
 170         thumb_loader_free(pw->tl);
 171         pw->tl = NULL;
 172
 173         while (pan_queue_step(pw));
 174 }
 175
 176 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 177 {
 178         PanWindow *pw = data;
 179         GdkPixbuf *rotated = NULL;
 180
 181         if (pw->queue_pi)
 182                 {
 183                 PanItem *pi;
 184                 gint rc;
 185
 186                 pi = pw->queue_pi;
 187                 pw->queue_pi = NULL;
 188
 189                 pi->queued = FALSE;
 190
 191                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 192                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 193
 194                 if (pi->pixbuf && options->image.exif_rotate_enable)
 195                         {
 196                         if (!il->fd->exif_orientation)
 197                                 {
 198                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 199                                         {
 200                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 201                                         }
 202                                 else
 203                                         {
 204                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 205                                         }
 206                                 }
 207
 208                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 209                                 {
 210                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 211                                 pi->pixbuf = rotated;
 212                                 }
 213                         }
 214
 215                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 216
 217                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 218                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 219                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 220                         {
 221                         GdkPixbuf *tmp;
 222
 223                         tmp = pi->pixbuf;
 224                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 225                                                              (GdkInterpType)options->image.zoom_quality);
 226                         g_object_unref(tmp);
 227                         }
 228
 229                 rc = pi->refcount;
 230                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 231                 pi->refcount = rc;
 232                 }
 233
 234         image_loader_free(pw->il);
 235         pw->il = NULL;
 236
 237         while (pan_queue_step(pw));
 238 }
 239
 240 static gboolean pan_queue_step(PanWindow *pw)
 241 {
 242         PanItem *pi;
 243
 244         if (!pw->queue) return FALSE;
 245
 246         pi = pw->queue->data;
 247         pw->queue = g_list_remove(pw->queue, pi);
 248         pw->queue_pi = pi;
 249
 250         if (!pw->queue_pi->fd)
 251                 {
 252                 pw->queue_pi->queued = FALSE;
 253                 pw->queue_pi = NULL;
 254                 return TRUE;
 255                 }
 256
 257         image_loader_free(pw->il);
 258         pw->il = NULL;
 259         thumb_loader_free(pw->tl);
 260         pw->tl = NULL;
 261
 262         if (pi->type == PAN_ITEM_IMAGE)
 263                 {
 264                 pw->il = image_loader_new(pi->fd);
 265
 266                 if (pw->size != PAN_IMAGE_SIZE_100)
 267                         {
 268                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 269                         }
 270
 271                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 272                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 273
 274                 if (image_loader_start(pw->il)) return FALSE;
 275
 276                 image_loader_free(pw->il);
 277                 pw->il = NULL;
 278                 }
 279         else if (pi->type == PAN_ITEM_THUMB)
 280                 {
 281                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 282
 283                 if (!pw->tl->standard_loader)
 284                         {
 285                         /* The classic loader will recreate a thumbnail any time we
 286                          * request a different size than what exists. This view will
 287                          * almost never use the user configured sizes so disable cache.
 288                          */
 289                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 290                         }
 291
 292                 thumb_loader_set_callbacks(pw->tl,
 293                                            pan_queue_thumb_done_cb,
 294                                            pan_queue_thumb_done_cb,
 295                                            NULL, pw);
 296
 297                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 298
 299                 thumb_loader_free(pw->tl);
 300                 pw->tl = NULL;
 301                 }
 302
 303         pw->queue_pi->queued = FALSE;
 304         pw->queue_pi = NULL;
 305         return TRUE;
 306 }
 307
 308 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 309 {
 310         if (!pi || pi->queued || pi->pixbuf) return;
 311         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 312             (!pi->key || strcmp(pi->key, "info") != 0) )
 313                 {
 314                 return;
 315                 }
 316
 317         pi->queued = TRUE;
 318         pw->queue = g_list_prepend(pw->queue, pi);
 319
 320         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 321 }
 322
 323
 324 /*
 325  *-----------------------------------------------------------------------------
 326  * tile request/dispose handlers
 327  *-----------------------------------------------------------------------------
 328  */
 329
 330 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 331                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 332 {
 333         PanWindow *pw = data;
 334         GList *list;
 335         GList *work;
 336         gint i;
 337
 338         pixbuf_set_rect_fill(pixbuf,
 339                              0, 0, width, height,
 340                              PAN_BACKGROUND_COLOR, 255);
 341
 342         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 343                 {
 344                 gint rx, ry, rw, rh;
 345
 346                 if (util_clip_region(x, y, width, height,
 347                                      i, y, 1, height,
 348                                      &rx, &ry, &rw, &rh))
 349                         {
 350                         pixbuf_draw_rect_fill(pixbuf,
 351                                               rx - x, ry - y, rw, rh,
 352                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 353                         }
 354                 }
 355         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 356                 {
 357                 gint rx, ry, rw, rh;
 358
 359                 if (util_clip_region(x, y, width, height,
 360                                      x, i, width, 1,
 361                                      &rx, &ry, &rw, &rh))
 362                         {
 363                         pixbuf_draw_rect_fill(pixbuf,
 364                                               rx - x, ry - y, rw, rh,
 365                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 366                         }
 367                 }
 368
 369         list = pan_layout_intersect(pw, x, y, width, height);
 370         work = list;
 371         while (work)
 372                 {
 373                 PanItem *pi;
 374                 gboolean queue = FALSE;
 375
 376                 pi = work->data;
 377                 work = work->next;
 378
 379                 pi->refcount++;
 380
 381                 switch (pi->type)
 382                         {
 383                         case PAN_ITEM_BOX:
 384                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 385                                 break;
 386                         case PAN_ITEM_TRIANGLE:
 387                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 388                                 break;
 389                         case PAN_ITEM_TEXT:
 390                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 391                                 break;
 392                         case PAN_ITEM_THUMB:
 393                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 394                                 break;
 395                         case PAN_ITEM_IMAGE:
 396                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 397                                 break;
 398                         case PAN_ITEM_NONE:
 399                         default:
 400                                 break;
 401                         }
 402
 403                 if (queue) pan_queue_add(pw, pi);
 404                 }
 405
 406         g_list_free(list);
 407
 408         return TRUE;
 409 }
 410
 411 static void pan_window_dispose_tile_cb(PixbufRenderer *UNUSED(pr), gint x, gint y,
 412                                        gint width, gint height, GdkPixbuf *UNUSED(pixbuf), gpointer data)
 413 {
 414         PanWindow *pw = data;
 415         GList *list;
 416         GList *work;
 417
 418         list = pan_layout_intersect(pw, x, y, width, height);
 419         work = list;
 420         while (work)
 421                 {
 422                 PanItem *pi;
 423
 424                 pi = work->data;
 425                 work = work->next;
 426
 427                 if (pi->refcount > 0)
 428                         {
 429                         pi->refcount--;
 430
 431                         if (pi->refcount == 0)
 432                                 {
 433                                 if (pi->queued)
 434                                         {
 435                                         pw->queue = g_list_remove(pw->queue, pi);
 436                                         pi->queued = FALSE;
 437                                         }
 438                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 439                                 if (pi->pixbuf)
 440                                         {
 441                                         g_object_unref(pi->pixbuf);
 442                                         pi->pixbuf = NULL;
 443                                         }
 444                                 }
 445                         }
 446                 }
 447
 448         g_list_free(list);
 449 }
 450
 451
 452 /*
 453  *-----------------------------------------------------------------------------
 454  * misc
 455  *-----------------------------------------------------------------------------
 456  */
 457
 458 static void pan_window_message(PanWindow *pw, const gchar *text)
 459 {
 460         GList *work;
 461         gint count = 0;
 462         gint64 size = 0;
 463         gchar *ss;
 464         gchar *buf;
 465
 466         if (text)
 467                 {
 468                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 469                 return;
 470                 }
 471
 472         work = pw->list_static;
 473         if (pw->layout == PAN_LAYOUT_CALENDAR)
 474                 {
 475                 while (work)
 476                         {
 477                         PanItem *pi;
 478
 479                         pi = work->data;
 480                         work = work->next;
 481
 482                         if (pi->fd &&
 483                             pi->type == PAN_ITEM_BOX &&
 484                             pi->key && strcmp(pi->key, "dot") == 0)
 485                                 {
 486                                 size += pi->fd->size;
 487                                 count++;
 488                                 }
 489                         }
 490                 }
 491         else
 492                 {
 493                 while (work)
 494                         {
 495                         PanItem *pi;
 496
 497                         pi = work->data;
 498                         work = work->next;
 499
 500                         if (pi->fd &&
 501                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 502                                 {
 503                                 size += pi->fd->size;
 504                                 count++;
 505                                 }
 506                         }
 507                 }
 508
 509         ss = text_from_size_abrev(size);
 510         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 511         g_free(ss);
 512         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 513         g_free(buf);
 514 }
 515
 516 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 517 {
 518         gchar *message;
 519
 520         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 521         warning_dialog(_("Folder not supported"), message,
 522                       GTK_STOCK_DIALOG_INFO, parent);
 523         g_free(message);
 524 }
 525
 526 static void pan_window_zoom_limit(PanWindow *pw)
 527 {
 528         gdouble min;
 529
 530         switch (pw->size)
 531                 {
 532                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 533                 case PAN_IMAGE_SIZE_THUMB_NONE:
 534                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 535                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 536 #if 0
 537                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 538                         min = -16.0;
 539                         break;
 540 #endif
 541                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 542                         min = -6.0;
 543                         break;
 544                 case PAN_IMAGE_SIZE_10:
 545                 case PAN_IMAGE_SIZE_25:
 546                         min = -4.0;
 547                         break;
 548                 case PAN_IMAGE_SIZE_33:
 549                 case PAN_IMAGE_SIZE_50:
 550                 case PAN_IMAGE_SIZE_100:
 551                 default:
 552                         min = -2.0;
 553                         break;
 554                 }
 555
 556         image_zoom_set_limits(pw->imd, min, 32.0);
 557 }
 558
 559
 560 /*
 561  *-----------------------------------------------------------------------------
 562  * cache
 563  *-----------------------------------------------------------------------------
 564  */
 565
 566 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 567 {
 568         PanCacheData *pca = a;
 569         PanCacheData *pcb = b;
 570         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 571 }
 572 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend)
 573 {
 574         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 575 }
 576
 577
 578 static void pan_cache_free(PanWindow *pw)
 579 {
 580         GList *work;
 581
 582         work = pw->cache_list;
 583         while (work)
 584                 {
 585                 PanCacheData *pc;
 586
 587                 pc = work->data;
 588                 work = work->next;
 589
 590                 cache_sim_data_free(pc->cd);
 591                 file_data_unref(pc->fd);
 592                 g_free(pc);
 593                 }
 594
 595         g_list_free(pw->cache_list);
 596         pw->cache_list = NULL;
 597
 598         filelist_free(pw->cache_todo);
 599         pw->cache_todo = NULL;
 600
 601         pw->cache_count = 0;
 602         pw->cache_total = 0;
 603         pw->cache_tick = 0;
 604
 605         cache_loader_free(pw->cache_cl);
 606         pw->cache_cl = NULL;
 607 }
 608
 609 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 610 {
 611         GList *list;
 612
 613         pan_cache_free(pw);
 614
 615         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 616         pw->cache_todo = g_list_reverse(list);
 617
 618         pw->cache_total = g_list_length(pw->cache_todo);
 619 }
 620
 621 static void pan_cache_step_done_cb(CacheLoader *cl, gint UNUSED(error), gpointer data)
 622 {
 623         PanWindow *pw = data;
 624
 625         if (pw->cache_list)
 626                 {
 627                 PanCacheData *pc;
 628                 pc = pw->cache_list->data;
 629
 630                 if (!pc->cd)
 631                         {
 632                         pc->cd = cl->cd;
 633                         cl->cd = NULL;
 634                         }
 635                 }
 636
 637         cache_loader_free(cl);
 638         pw->cache_cl = NULL;
 639
 640         pan_layout_update_idle(pw);
 641 }
 642
 643 static gboolean pan_cache_step(PanWindow *pw)
 644 {
 645         FileData *fd;
 646         PanCacheData *pc;
 647         CacheDataType load_mask;
 648
 649         if (!pw->cache_todo) return TRUE;
 650
 651         fd = pw->cache_todo->data;
 652         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 653
 654         pc = g_new0(PanCacheData, 1);
 655         pc->fd = file_data_ref(fd);
 656
 657         pc->cd = NULL;
 658
 659         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 660
 661         cache_loader_free(pw->cache_cl);
 662
 663         load_mask = CACHE_LOADER_NONE;
 664         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 665         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 666         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 667                                         pan_cache_step_done_cb, pw);
 668         return (pw->cache_cl == NULL);
 669 }
 670
 671 /* This sync date function is optimized for lists with a common sort */
 672 void pan_cache_sync_date(PanWindow *pw, GList *list)
 673 {
 674         GList *haystack;
 675         GList *work;
 676
 677         haystack = g_list_copy(pw->cache_list);
 678
 679         work = list;
 680         while (work)
 681                 {
 682                 FileData *fd;
 683                 GList *needle;
 684
 685                 fd = work->data;
 686                 work = work->next;
 687
 688                 needle = haystack;
 689                 while (needle)
 690                         {
 691                         PanCacheData *pc;
 692
 693                         pc = needle->data;
 694                         if (pc->fd == fd)
 695                                 {
 696                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 697                                         {
 698                                         fd->date = pc->cd->date;
 699                                         }
 700
 701                                 haystack = g_list_delete_link(haystack, needle);
 702                                 needle = NULL;
 703                                 }
 704                         else
 705                                 {
 706                                 needle = needle->next;
 707                                 }
 708                         }
 709                 }
 710
 711         g_list_free(haystack);
 712 }
 713
 714 /*
 715  *-----------------------------------------------------------------------------
 716  * item grid
 717  *-----------------------------------------------------------------------------
 718  */
 719
 720 static void pan_grid_clear(PanWindow *pw)
 721 {
 722         GList *work;
 723
 724         work = pw->list_grid;
 725         while (work)
 726                 {
 727                 PanGrid *pg;
 728
 729                 pg = work->data;
 730                 work = work->next;
 731
 732                 g_list_free(pg->list);
 733                 g_free(pg);
 734                 }
 735
 736         g_list_free(pw->list_grid);
 737         pw->list_grid = NULL;
 738
 739         pw->list = g_list_concat(pw->list, pw->list_static);
 740         pw->list_static = NULL;
 741 }
 742
 743 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 744 {
 745         GList *work;
 746         gint col, row;
 747         gint cw, ch;
 748         gint l;
 749         gint i, j;
 750
 751         pan_grid_clear(pw);
 752
 753         l = g_list_length(pw->list);
 754
 755         if (l < 1) return;
 756
 757         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 758         col = CLAMP(col, 1, l / grid_size + 1);
 759         row = (gint)((gdouble)l / grid_size / col);
 760         if (row < 1) row = 1;
 761
 762         /* limit minimum size of grid so that a tile will always fit regardless of position */
 763         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 764         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 765
 766         row = row * 2 - 1;
 767         col = col * 2 - 1;
 768
 769         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 770
 771         for (j = 0; j < row; j++)
 772             for (i = 0; i < col; i++)
 773                 {
 774                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 775                         {
 776                         PanGrid *pg;
 777
 778                         pg = g_new0(PanGrid, 1);
 779                         pg->x = i * cw / 2;
 780                         pg->y = j * ch / 2;
 781                         pg->w = cw;
 782                         pg->h = ch;
 783
 784                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 785
 786                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 787                         }
 788                 }
 789
 790         work = pw->list;
 791         while (work)
 792                 {
 793                 PanItem *pi;
 794                 GList *grid;
 795
 796                 pi = work->data;
 797                 work = work->next;
 798
 799                 grid = pw->list_grid;
 800                 while (grid)
 801                         {
 802                         PanGrid *pg;
 803                         gint rx, ry, rw, rh;
 804
 805                         pg = grid->data;
 806                         grid = grid->next;
 807
 808                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 809                                              pg->x, pg->y, pg->w, pg->h,
 810                                              &rx, &ry, &rw, &rh))
 811                                 {
 812                                 pg->list = g_list_prepend(pg->list, pi);
 813                                 }
 814                         }
 815                 }
 816
 817         work = pw->list_grid;
 818         while (work)
 819                 {
 820                 PanGrid *pg;
 821
 822                 pg = work->data;
 823                 work = work->next;
 824
 825                 pg->list = g_list_reverse(pg->list);
 826                 }
 827
 828         pw->list_static = pw->list;
 829         pw->list = NULL;
 830 }
 831
 832
 833 /*
 834  *-----------------------------------------------------------------------------
 835  * layout state reset
 836  *-----------------------------------------------------------------------------
 837  */
 838
 839 static void pan_window_items_free(PanWindow *pw)
 840 {
 841         GList *work;
 842
 843         pan_grid_clear(pw);
 844
 845         work = pw->list;
 846         while (work)
 847                 {
 848                 PanItem *pi = work->data;
 849                 work = work->next;
 850
 851                 pan_item_free(pi);
 852                 }
 853
 854         g_list_free(pw->list);
 855         pw->list = NULL;
 856
 857         g_list_free(pw->queue);
 858         pw->queue = NULL;
 859         pw->queue_pi = NULL;
 860
 861         image_loader_free(pw->il);
 862         pw->il = NULL;
 863
 864         thumb_loader_free(pw->tl);
 865         pw->tl = NULL;
 866
 867         pw->click_pi = NULL;
 868         pw->search_pi = NULL;
 869 }
 870
 871
 872 /*
 873  *-----------------------------------------------------------------------------
 874  * layout generation, queries, sizing
 875  *-----------------------------------------------------------------------------
 876  */
 877
 878 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 879                                gint *width, gint *height,
 880                                gint *scroll_x, gint *scroll_y)
 881 {
 882         pan_window_items_free(pw);
 883
 884         switch (pw->size)
 885                 {
 886                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 887                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 888                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 889                         break;
 890                 case PAN_IMAGE_SIZE_THUMB_NONE:
 891                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 892                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 893                         break;
 894                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 895                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 896                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 897                         break;
 898                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 899                 default:
 900                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 901                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 902                         break;
 903                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 904                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 905                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 906                         break;
 907                 case PAN_IMAGE_SIZE_10:
 908                         pw->image_size = 10;
 909                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 910                         break;
 911                 case PAN_IMAGE_SIZE_25:
 912                         pw->image_size = 25;
 913                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 914                         break;
 915                 case PAN_IMAGE_SIZE_33:
 916                         pw->image_size = 33;
 917                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 918                         break;
 919                 case PAN_IMAGE_SIZE_50:
 920                         pw->image_size = 50;
 921                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 922                         break;
 923                 case PAN_IMAGE_SIZE_100:
 924                         pw->image_size = 100;
 925                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 926                         break;
 927                 }
 928
 929         *width = 0;
 930         *height = 0;
 931         *scroll_x = 0;
 932         *scroll_y = 0;
 933
 934         switch (pw->layout)
 935                 {
 936                 case PAN_LAYOUT_GRID:
 937                 default:
 938                         pan_grid_compute(pw, dir_fd, width, height);
 939                         break;
 940                 case PAN_LAYOUT_FOLDERS_LINEAR:
 941                         pan_folder_tree_compute(pw, dir_fd, width, height);
 942                         break;
 943                 case PAN_LAYOUT_FOLDERS_FLOWER:
 944                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 945                         break;
 946                 case PAN_LAYOUT_CALENDAR:
 947                         pan_calendar_compute(pw, dir_fd, width, height);
 948                         break;
 949                 case PAN_LAYOUT_TIMELINE:
 950                         pan_timeline_compute(pw, dir_fd, width, height);
 951                         break;
 952                 }
 953
 954         pan_cache_free(pw);
 955
 956         DEBUG_1("computed %d objects", g_list_length(pw->list));
 957 }
 958
 959 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 960                                      gint x, gint y, gint width, gint height)
 961 {
 962         GList *work;
 963
 964         work = item_list;
 965         while (work)
 966                 {
 967                 PanItem *pi;
 968                 gint rx, ry, rw, rh;
 969
 970                 pi = work->data;
 971                 work = work->next;
 972
 973                 if (util_clip_region(x, y, width, height,
 974                                      pi->x, pi->y, pi->width, pi->height,
 975                                      &rx, &ry, &rw, &rh))
 976                         {
 977                         list = g_list_prepend(list, pi);
 978                         }
 979                 }
 980
 981         return list;
 982 }
 983
 984 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 985 {
 986         GList *list = NULL;
 987         GList *grid;
 988         PanGrid *pg = NULL;
 989
 990         grid = pw->list_grid;
 991         while (grid && !pg)
 992                 {
 993                 pg = grid->data;
 994                 grid = grid->next;
 995
 996                 if (x < pg->x || x + width > pg->x + pg->w ||
 997                     y < pg->y || y + height > pg->y + pg->h)
 998                         {
 999                         pg = NULL;
1000                         }
1001                 }
1002
1003         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1004
1005         if (pg)
1006                 {
1007                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1008                 }
1009         else
1010                 {
1011                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1012                 }
1013
1014         return list;
1015 }
1016
1017 void pan_layout_resize(PanWindow *pw)
1018 {
1019         gint width = 0;
1020         gint height = 0;
1021         GList *work;
1022         PixbufRenderer *pr;
1023
1024         work = pw->list;
1025         while (work)
1026                 {
1027                 PanItem *pi;
1028
1029                 pi = work->data;
1030                 work = work->next;
1031
1032                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1033                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1034                 }
1035         work = pw->list_static;
1036         while (work)
1037                 {
1038                 PanItem *pi;
1039
1040                 pi = work->data;
1041                 work = work->next;
1042
1043                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1044                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1045                 }
1046
1047         width += PAN_BOX_BORDER * 2;
1048         height += PAN_BOX_BORDER * 2;
1049
1050         pr = PIXBUF_RENDERER(pw->imd->pr);
1051         if (width < pr->window_width) width = pr->window_width;
1052         if (height < pr->window_width) height = pr->window_height;
1053
1054         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1055 }
1056
1057 static gint pan_layout_update_idle_cb(gpointer data)
1058 {
1059         PanWindow *pw = data;
1060         gint width;
1061         gint height;
1062         gint scroll_x;
1063         gint scroll_y;
1064
1065         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1066             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1067                 {
1068                 if (!pw->cache_list && !pw->cache_todo)
1069                         {
1070                         pan_cache_fill(pw, pw->dir_fd);
1071                         if (pw->cache_todo)
1072                                 {
1073                                 pan_window_message(pw, _("Reading image data..."));
1074                                 return TRUE;
1075                                 }
1076                         }
1077                 if (pw->cache_todo)
1078                         {
1079                         pw->cache_count++;
1080                         pw->cache_tick++;
1081                         if (pw->cache_count == pw->cache_total)
1082                                 {
1083                                 pan_window_message(pw, _("Sorting..."));
1084                                 }
1085                         else if (pw->cache_tick > 9)
1086                                 {
1087                                 gchar *buf;
1088
1089                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1090                                                       pw->cache_count, pw->cache_total);
1091                                 pan_window_message(pw, buf);
1092                                 g_free(buf);
1093
1094                                 pw->cache_tick = 0;
1095                                 }
1096
1097                         if (pan_cache_step(pw)) return TRUE;
1098
1099                         pw->idle_id = 0;
1100                         return FALSE;
1101                         }
1102                 }
1103
1104         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1105
1106         pan_window_zoom_limit(pw);
1107
1108         if (width > 0 && height > 0)
1109                 {
1110                 gdouble align;
1111
1112                 DEBUG_1("Canvas size is %d x %d", width, height);
1113
1114                 pan_grid_build(pw, width, height, 1000);
1115
1116                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1117                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1118                                           pan_window_request_tile_cb,
1119                                           pan_window_dispose_tile_cb, pw, 1.0);
1120
1121                 if (scroll_x == 0 && scroll_y == 0)
1122                         {
1123                         align = 0.0;
1124                         }
1125                 else
1126                         {
1127                         align = 0.5;
1128                         }
1129                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1130                 }
1131
1132         pan_window_message(pw, NULL);
1133
1134         pw->idle_id = 0;
1135         return FALSE;
1136 }
1137
1138 static void pan_layout_update_idle(PanWindow *pw)
1139 {
1140         if (!pw->idle_id)
1141                 {
1142                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1143                 }
1144 }
1145
1146 void pan_layout_update(PanWindow *pw)
1147 {
1148         pan_window_message(pw, _("Sorting images..."));
1149         pan_layout_update_idle(pw);
1150 }
1151
1152 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1153 {
1154         if (!dir_fd) return;
1155
1156         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1157                 {
1158                 pan_warning_folder(dir_fd->path, pw->window);
1159                 return;
1160                 }
1161
1162         file_data_unref(pw->dir_fd);
1163         pw->dir_fd = file_data_ref(dir_fd);
1164
1165         pan_layout_update(pw);
1166 }
1167
1168
1169 /*
1170  *-----------------------------------------------------------------------------
1171  * keyboard handlers
1172  *-----------------------------------------------------------------------------
1173  */
1174
1175 FileData *pan_menu_click_fd(PanWindow *pw)
1176 {
1177         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1178         return NULL;
1179 }
1180
1181 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1182 {
1183         PanWindow *pw = data;
1184         PixbufRenderer *pr;
1185         FileData *fd;
1186         gboolean stop_signal = FALSE;
1187         GtkWidget *menu;
1188         GtkWidget *imd_widget;
1189         gint x = 0;
1190         gint y = 0;
1191         gint focused;
1192         gint on_entry;
1193
1194         pr = PIXBUF_RENDERER(pw->imd->pr);
1195         fd = pan_menu_click_fd(pw);
1196
1197         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1198         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1199         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1200                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1201                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1202
1203         if (focused)
1204                 {
1205                 stop_signal = TRUE;
1206                 switch (event->keyval)
1207                         {
1208                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1209                                 x -= 1;
1210                                 break;
1211                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1212                                 x += 1;
1213                                 break;
1214                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1215                                 y -= 1;
1216                                 break;
1217                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1218                                 y += 1;
1219                                 break;
1220                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1221                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1222                                 break;
1223                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1224                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1225                                 break;
1226                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1227                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1228                                 break;
1229                         case GDK_KEY_End: case GDK_KEY_KP_End:
1230                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1231                                 break;
1232                         default:
1233                                 stop_signal = FALSE;
1234                                 break;
1235                         }
1236
1237                 if (x != 0 || y!= 0)
1238                         {
1239                         if (event->state & GDK_SHIFT_MASK)
1240                                 {
1241                                 x *= 3;
1242                                 y *= 3;
1243                                 }
1244                         keyboard_scroll_calc(&x, &y, event);
1245                         pixbuf_renderer_scroll(pr, x, y);
1246                         }
1247                 }
1248
1249         if (stop_signal) return stop_signal;
1250
1251         if (event->state & GDK_CONTROL_MASK)
1252                 {
1253                 stop_signal = TRUE;
1254                 switch (event->keyval)
1255                         {
1256                         case '1':
1257                         case '2':
1258                         case '3':
1259                         case '4':
1260                         case '5':
1261                         case '6':
1262                         case '7':
1263                         case '8':
1264                         case '9':
1265                         case '0':
1266                                 break;
1267                         case 'C': case 'c':
1268                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1269                                 break;
1270                         case 'M': case 'm':
1271                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1272                                 break;
1273                         case 'R': case 'r':
1274                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1275                                 break;
1276                         case 'D': case 'd':
1277                                 if (fd)
1278                                         {
1279                                         options->file_ops.safe_delete_enable = TRUE;
1280                                         file_util_delete(fd, NULL, GTK_WIDGET(pr));
1281                                         }
1282                                 break;
1283                         case 'F': case 'f':
1284                                 pan_search_toggle_visible(pw, TRUE);
1285                                 break;
1286                         case 'G': case 'g':
1287                                 pan_search_activate(pw);
1288                                 break;
1289                         case 'W': case 'w':
1290                                 pan_window_close(pw);
1291                                 break;
1292                         default:
1293                                 stop_signal = FALSE;
1294                                 break;
1295                         }
1296                 }
1297         else
1298                 {
1299                 stop_signal = TRUE;
1300                 switch (event->keyval)
1301                         {
1302                         case GDK_KEY_Escape:
1303                                 if (pw->fs)
1304                                         {
1305                                         pan_fullscreen_toggle(pw, TRUE);
1306                                         }
1307                                 else
1308                                         {
1309                                         pan_search_toggle_visible(pw, FALSE);
1310                                         }
1311                                 break;
1312                         default:
1313                                 stop_signal = FALSE;
1314                                 break;
1315                         }
1316
1317                 if (stop_signal) return stop_signal;
1318
1319                 // Don't steal characters from entry boxes.
1320                 if (!on_entry)
1321                         {
1322                         stop_signal = TRUE;
1323                         switch (event->keyval)
1324                                 {
1325                                 case '+': case '=': case GDK_KEY_KP_Add:
1326                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1327                                         break;
1328                                 case '-': case GDK_KEY_KP_Subtract:
1329                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1330                                         break;
1331                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1332                                         pixbuf_renderer_zoom_set(pr, 1.0);
1333                                         break;
1334                                 case '2':
1335                                         pixbuf_renderer_zoom_set(pr, 2.0);
1336                                         break;
1337                                 case '3':
1338                                         pixbuf_renderer_zoom_set(pr, 3.0);
1339                                         break;
1340                                 case '4':
1341                                         pixbuf_renderer_zoom_set(pr, 4.0);
1342                                         break;
1343                                 case '7':
1344                                         pixbuf_renderer_zoom_set(pr, -4.0);
1345                                         break;
1346                                 case '8':
1347                                         pixbuf_renderer_zoom_set(pr, -3.0);
1348                                         break;
1349                                 case '9':
1350                                         pixbuf_renderer_zoom_set(pr, -2.0);
1351                                         break;
1352                                 case 'F': case 'f':
1353                                 case 'V': case 'v':
1354                                 case GDK_KEY_F11:
1355                                         pan_fullscreen_toggle(pw, FALSE);
1356                                         break;
1357                                 case 'I': case 'i':
1358                                         break;
1359                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1360                                         break;
1361                                 case GDK_KEY_Menu:
1362                                 case GDK_KEY_F10:
1363                                         menu = pan_popup_menu(pw);
1364                                         gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_SOUTH, GDK_GRAVITY_CENTER, NULL);
1365
1366                                         break;
1367                                 case '/':
1368                                         pan_search_toggle_visible(pw, TRUE);
1369                                         break;
1370                                         stop_signal = FALSE;
1371                                         break;
1372                                 }
1373                         }
1374                 }
1375         if (!stop_signal && is_help_key(event))
1376                 {
1377                 help_window_show("GuideOtherWindowsPanView.html");
1378                 stop_signal = TRUE;
1379                 }
1380
1381         return stop_signal;
1382 }
1383
1384 /*
1385  *-----------------------------------------------------------------------------
1386  * info popup
1387  *-----------------------------------------------------------------------------
1388  */
1389
1390 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1391 {
1392         GList *exif_list;
1393         gchar *text;
1394         gchar *title;
1395         gchar *key;
1396
1397         if (!fd) return;
1398
1399         exif_list = bar_pane_exif_list();
1400         while (exif_list)
1401                 {
1402                 title = exif_list->data;
1403                 exif_list = exif_list->next;
1404                 key = exif_list->data;
1405                 exif_list = exif_list->next;
1406
1407                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1408                 if (text && text[0] != '\0')
1409                         {
1410                         pan_text_alignment_add(ta, title, text);
1411                         }
1412
1413                 g_free(text);
1414                 }
1415
1416         string_list_free(exif_list);
1417 }
1418
1419
1420 void pan_info_update(PanWindow *pw, PanItem *pi)
1421 {
1422         PanTextAlignment *ta;
1423         PanItem *pbox;
1424         PanItem *p;
1425         gchar *buf;
1426         gint x1, y1, x2, y2, x3, y3;
1427         gint x, y, w, h;
1428
1429         if (pw->click_pi == pi) return;
1430         if (pi && !pi->fd) pi = NULL;
1431
1432         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1433         pw->click_pi = pi;
1434
1435         if (!pi) return;
1436
1437         DEBUG_1("info set to %s", pi->fd->path);
1438
1439         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1440                                 PAN_POPUP_BORDER,
1441                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1442                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1443         pan_item_set_key(pbox, "info");
1444
1445         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1446                 {
1447                 w = gdk_pixbuf_get_width(pi->pixbuf);
1448                 h = gdk_pixbuf_get_height(pi->pixbuf);
1449
1450                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1451                 y1 = pi->y + (pi->height - h) / 2 + 8;
1452                 }
1453         else
1454                 {
1455                 x1 = pi->x + pi->width - 8;
1456                 y1 = pi->y + 8;
1457                 }
1458
1459         x2 = pbox->x + 1;
1460         y2 = pbox->y + 36;
1461         x3 = pbox->x + 1;
1462         y3 = pbox->y + 12;
1463         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1464                            &x, &y, &w, &h);
1465
1466         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1467                              x1, y1, x2, y2, x3, y3,
1468                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1469         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1470         pan_item_set_key(p, "info");
1471         pan_item_added(pw, p);
1472
1473         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1474
1475         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1476         buf = remove_level_from_path(pi->fd->path);
1477         pan_text_alignment_add(ta, _("Location:"), buf);
1478         g_free(buf);
1479         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1480         buf = text_from_size(pi->fd->size);
1481         pan_text_alignment_add(ta, _("Size:"), buf);
1482         g_free(buf);
1483
1484         if (pw->info_includes_exif)
1485                 {
1486                 pan_info_add_exif(ta, pi->fd);
1487                 }
1488
1489         pan_text_alignment_calc(ta, pbox);
1490         pan_text_alignment_free(ta);
1491
1492         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1493         pan_item_added(pw, pbox);
1494
1495         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1496                 {
1497                 gint iw, ih;
1498                 if (image_load_dimensions(pi->fd, &iw, &ih))
1499                         {
1500                         gint scale = 25;
1501
1502                         switch (pw->info_image_size)
1503                                 {
1504                                 case PAN_IMAGE_SIZE_10:
1505                                         scale = 10;
1506                                         break;
1507                                 case PAN_IMAGE_SIZE_25:
1508                                         scale = 25;
1509                                         break;
1510                                 case PAN_IMAGE_SIZE_33:
1511                                         scale = 33;
1512                                         break;
1513                                 case PAN_IMAGE_SIZE_50:
1514                                         scale = 50;
1515                                         break;
1516                                 case PAN_IMAGE_SIZE_100:
1517                                         scale = 100;
1518                                         break;
1519                                 }
1520
1521                         iw = MAX(1, iw * scale / 100);
1522                         ih = MAX(1, ih * scale / 100);
1523
1524                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1525                                                 PAN_POPUP_BORDER,
1526                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1527                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1528                         pan_item_set_key(pbox, "info");
1529
1530                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1531                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1532                         pan_item_set_key(p, "info");
1533                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1534
1535                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1536                         pan_item_added(pw, pbox);
1537                         }
1538                 }
1539
1540         pan_layout_resize(pw);
1541 }
1542
1543
1544 /*
1545  *-----------------------------------------------------------------------------
1546  * main window
1547  *-----------------------------------------------------------------------------
1548  */
1549
1550 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1551 {
1552         PanWindow *pw = data;
1553         PanItem *pi = NULL;
1554         GtkWidget *menu;
1555         gint rx, ry;
1556
1557         rx = ry = 0;
1558         if (pr->scale)
1559                 {
1560                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1561                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1562                 }
1563
1564         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1565         if (pi && event->button == MOUSE_BUTTON_LEFT)
1566                 {
1567                 pan_info_update(pw, NULL);
1568                 return;
1569                 }
1570
1571         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1572                                     rx, ry, NULL);
1573
1574         switch (event->button)
1575                 {
1576                 case MOUSE_BUTTON_LEFT:
1577                         pan_info_update(pw, pi);
1578
1579                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1580                                 {
1581                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1582                                 pan_calendar_update(pw, pi);
1583                                 }
1584                         break;
1585                 case MOUSE_BUTTON_MIDDLE:
1586                         break;
1587                 case MOUSE_BUTTON_RIGHT:
1588                         pan_info_update(pw, pi);
1589                         menu = pan_popup_menu(pw);
1590                         gtk_menu_popup_at_pointer(GTK_MENU(menu), NULL);
1591                         break;
1592                 default:
1593                         break;
1594                 }
1595 }
1596
1597 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer UNUSED(data))
1598 {
1599         gint w, h;
1600
1601         w = pr->vis_width;
1602         h = pr->vis_height;
1603
1604         if (!(event->state & GDK_SHIFT_MASK))
1605                 {
1606                 w /= 3;
1607                 h /= 3;
1608                 }
1609
1610         if (event->state & GDK_CONTROL_MASK)
1611                 {
1612                 switch (event->direction)
1613                         {
1614                         case GDK_SCROLL_UP:
1615                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1616                                                                      (gint)event->x, (gint)event->y);
1617                                 break;
1618                         case GDK_SCROLL_DOWN:
1619                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1620                                                                      (gint)event->x, (gint)event->y);
1621                                 break;
1622                         default:
1623                                 break;
1624                         }
1625                 }
1626         else
1627                 {
1628                 switch (event->direction)
1629                         {
1630                         case GDK_SCROLL_UP:
1631                                 pixbuf_renderer_scroll(pr, 0, -h);
1632                                 break;
1633                         case GDK_SCROLL_DOWN:
1634                                 pixbuf_renderer_scroll(pr, 0, h);
1635                                 break;
1636                         case GDK_SCROLL_LEFT:
1637                                 pixbuf_renderer_scroll(pr, -w, 0);
1638                                 break;
1639                         case GDK_SCROLL_RIGHT:
1640                                 pixbuf_renderer_scroll(pr, w, 0);
1641                                 break;
1642                         default:
1643                                 break;
1644                         }
1645                 }
1646 }
1647
1648 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1649 {
1650         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1651                          G_CALLBACK(button_cb), pw);
1652         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1653                          G_CALLBACK(scroll_cb), pw);
1654 }
1655
1656 static void pan_fullscreen_stop_func(FullScreenData *UNUSED(fs), gpointer data)
1657 {
1658         PanWindow *pw = data;
1659
1660         pw->fs = NULL;
1661         pw->imd = pw->imd_normal;
1662 }
1663
1664 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1665 {
1666         if (force_off && !pw->fs) return;
1667
1668         if (pw->fs)
1669                 {
1670                 fullscreen_stop(pw->fs);
1671                 }
1672         else
1673                 {
1674                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1675                 pan_image_set_buttons(pw, pw->fs->imd);
1676                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1677                                  G_CALLBACK(pan_window_key_press_cb), pw);
1678
1679                 pw->imd = pw->fs->imd;
1680                 }
1681 }
1682
1683 static void pan_window_image_zoom_cb(PixbufRenderer *UNUSED(pr), gdouble UNUSED(zoom), gpointer data)
1684 {
1685         PanWindow *pw = data;
1686         gchar *text;
1687
1688         text = image_zoom_get_as_text(pw->imd);
1689         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1690         g_free(text);
1691 }
1692
1693 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1694 {
1695         PanWindow *pw = data;
1696         GtkAdjustment *adj;
1697         GdkRectangle rect;
1698         gint width, height;
1699
1700         if (pr->scale == 0.0) return;
1701
1702         pixbuf_renderer_get_visible_rect(pr, &rect);
1703         pixbuf_renderer_get_image_size(pr, &width, &height);
1704
1705         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1706         gtk_adjustment_set_page_size(adj, rect.width);
1707         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1708         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1709         gtk_adjustment_set_lower(adj, 0.0);
1710         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1711         gtk_adjustment_set_value(adj, (gdouble)rect.x);
1712
1713         pref_signal_block_data(pw->scrollbar_h, pw);
1714         gtk_adjustment_changed(adj);
1715         gtk_adjustment_value_changed(adj);
1716         pref_signal_unblock_data(pw->scrollbar_h, pw);
1717
1718         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1719         gtk_adjustment_set_page_size(adj, rect.height);
1720         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1721         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1722         gtk_adjustment_set_lower(adj, 0.0);
1723         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1724         gtk_adjustment_set_value(adj, (gdouble)rect.y);
1725
1726         pref_signal_block_data(pw->scrollbar_v, pw);
1727         gtk_adjustment_changed(adj);
1728         gtk_adjustment_value_changed(adj);
1729         pref_signal_unblock_data(pw->scrollbar_v, pw);
1730 }
1731
1732 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1733 {
1734         PanWindow *pw = data;
1735         PixbufRenderer *pr;
1736         gint x;
1737
1738         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1739
1740         if (!pr->scale) return;
1741
1742         x = (gint)gtk_range_get_value(range);
1743
1744         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
1745 }
1746
1747 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1748 {
1749         PanWindow *pw = data;
1750         PixbufRenderer *pr;
1751         gint y;
1752
1753         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1754
1755         if (!pr->scale) return;
1756
1757         y = (gint)gtk_range_get_value(range);
1758
1759         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
1760 }
1761
1762 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1763 {
1764         PanWindow *pw = data;
1765
1766         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1767         pan_layout_update(pw);
1768 }
1769
1770 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1771 {
1772         PanWindow *pw = data;
1773
1774         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1775         pan_layout_update(pw);
1776 }
1777
1778 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1779 {
1780         PanWindow *pw = data;
1781         gchar *path;
1782
1783         path = remove_trailing_slash(new_text);
1784         parse_out_relatives(path);
1785
1786         if (!isdir(path))
1787                 {
1788                 warning_dialog(_("Folder not found"),
1789                                _("The entered path is not a folder"),
1790                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
1791                 }
1792         else
1793                 {
1794                 FileData *dir_fd = file_data_new_dir(path);
1795                 tab_completion_append_to_history(pw->path_entry, path);
1796
1797                 pan_layout_set_fd(pw, dir_fd);
1798                 file_data_unref(dir_fd);
1799                 }
1800
1801         g_free(path);
1802 }
1803
1804 static void pan_window_close(PanWindow *pw)
1805 {
1806         pan_window_list = g_list_remove(pan_window_list, pw);
1807
1808         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1809         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1810         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1811
1812         if (pw->idle_id)
1813                 {
1814                 g_source_remove(pw->idle_id);
1815                 }
1816
1817         pan_fullscreen_toggle(pw, TRUE);
1818         pan_search_ui_destroy(&pw->search_ui);
1819         pan_filter_ui_destroy(&pw->filter_ui);
1820         gtk_widget_destroy(pw->window);
1821
1822         pan_window_items_free(pw);
1823         pan_cache_free(pw);
1824
1825         file_data_unref(pw->dir_fd);
1826
1827         g_free(pw);
1828 }
1829
1830 static gboolean pan_window_delete_cb(GtkWidget *UNUSED(w), GdkEventAny *UNUSED(event), gpointer data)
1831 {
1832         PanWindow *pw = data;
1833
1834         pan_window_close(pw);
1835         return TRUE;
1836 }
1837
1838 static void pan_window_new_real(FileData *dir_fd)
1839 {
1840         PanWindow *pw;
1841         GtkWidget *vbox;
1842         GtkWidget *box;
1843         GtkWidget *combo;
1844         GtkWidget *hbox;
1845         GtkWidget *frame;
1846         GtkWidget *table;
1847         GdkGeometry geometry;
1848
1849         pw = g_new0(PanWindow, 1);
1850
1851         pw->dir_fd = file_data_ref(dir_fd);
1852         pw->layout = PAN_LAYOUT_TIMELINE;
1853         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1854         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1855         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1856
1857         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1858                 {
1859                 pw->exif_date_enable = FALSE;
1860                 }
1861         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1862                 {
1863                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1864                 }
1865         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1866                 {
1867                 pw->info_includes_exif = TRUE;
1868                 }
1869
1870         pw->ignore_symlinks = TRUE;
1871
1872         pw->idle_id = 0;
1873
1874         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
1875         DEBUG_NAME(pw->window);
1876
1877         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1878         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1879         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
1880
1881         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1882         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1883
1884         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
1885         DEBUG_NAME(vbox);
1886         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1887         gtk_widget_show(vbox);
1888
1889         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1890
1891         pref_spacer(box, 0);
1892         pref_label_new(box, _("Location:"));
1893         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1894                                                 pan_window_entry_activate_cb, pw);
1895         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1896         gtk_widget_show(combo);
1897
1898         combo = gtk_combo_box_text_new();
1899         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1900         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1901         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1902         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1903         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1904
1905         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1906         g_signal_connect(G_OBJECT(combo), "changed",
1907                          G_CALLBACK(pan_window_layout_change_cb), pw);
1908         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1909         gtk_widget_show(combo);
1910
1911         combo = gtk_combo_box_text_new();
1912         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1913         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1914         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1915         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1916         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1917         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1918         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1919         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1920         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1921         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1922
1923         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1924         g_signal_connect(G_OBJECT(combo), "changed",
1925                          G_CALLBACK(pan_window_layout_size_cb), pw);
1926         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1927         gtk_widget_show(combo);
1928
1929         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1930         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
1931         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
1932
1933         /** @FIXME pan view does not work correctly when renderer-clutter()
1934          * is used.
1935          */
1936         gint temp = options->image.use_clutter_renderer;
1937         options->image.use_clutter_renderer = FALSE;
1938         pw->imd = image_new(TRUE);
1939         options->image.use_clutter_renderer = temp;
1940
1941         pw->imd_normal = pw->imd;
1942
1943         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1944                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1945         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1946                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1947
1948         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
1949                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
1950         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1951
1952         pan_window_dnd_init(pw);
1953
1954         pan_image_set_buttons(pw, pw->imd);
1955
1956         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
1957         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1958                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1959         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
1960                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
1961         gtk_widget_show(pw->scrollbar_h);
1962
1963         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
1964         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1965                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1966         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
1967                          0, GTK_FILL | GTK_EXPAND, 0, 0);
1968         gtk_widget_show(pw->scrollbar_v);
1969
1970         /* find bar */
1971
1972         pw->search_ui = pan_search_ui_new(pw);
1973         gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1974
1975     /* filter bar */
1976     pw->filter_ui = pan_filter_ui_new(pw);
1977     gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1978
1979         /* status bar */
1980
1981         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1982
1983         frame = gtk_frame_new(NULL);
1984         DEBUG_NAME(frame);
1985         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1986         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1987         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1988         gtk_widget_show(frame);
1989
1990         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1991         gtk_container_add(GTK_CONTAINER(frame), hbox);
1992         gtk_widget_show(hbox);
1993
1994         pref_spacer(hbox, 0);
1995         pw->label_message = pref_label_new(hbox, "");
1996
1997         frame = gtk_frame_new(NULL);
1998         DEBUG_NAME(frame);
1999         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2000         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2001         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2002         gtk_widget_show(frame);
2003
2004         pw->label_zoom = gtk_label_new("");
2005         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2006         gtk_widget_show(pw->label_zoom);
2007
2008         // Add the "Find" button to the status bar area.
2009         gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2010         gtk_widget_show(pw->search_ui->search_button);
2011
2012         // Add the "Filter" button to the status bar area.
2013         gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2014         gtk_widget_show(pw->filter_ui->filter_button);
2015
2016         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2017                          G_CALLBACK(pan_window_delete_cb), pw);
2018         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2019                          G_CALLBACK(pan_window_key_press_cb), pw);
2020
2021         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2022
2023         pan_layout_update(pw);
2024
2025         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2026         gtk_widget_show(pw->window);
2027
2028         pan_window_list = g_list_append(pan_window_list, pw);
2029 }
2030
2031 /*
2032  *-----------------------------------------------------------------------------
2033  * performance warnings
2034  *-----------------------------------------------------------------------------
2035  */
2036
2037 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2038 {
2039         FileData *dir_fd = data;
2040
2041         generic_dialog_close(gd);
2042
2043         pan_window_new_real(dir_fd);
2044         file_data_unref(dir_fd);
2045 }
2046
2047 static void pan_warning_hide_cb(GtkWidget *button, gpointer UNUSED(data))
2048 {
2049         gboolean hide_dlg;
2050
2051         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2052         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2053 }
2054
2055 static gboolean pan_warning(FileData *dir_fd)
2056 {
2057         GenericDialog *gd;
2058         GtkWidget *box;
2059         GtkWidget *group;
2060         GtkWidget *button;
2061         GtkWidget *ct_button;
2062         gboolean hide_dlg;
2063
2064         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2065                 {
2066                 pan_warning_folder(dir_fd->path, NULL);
2067                 return TRUE;
2068                 }
2069
2070         if (options->thumbnails.enable_caching &&
2071             options->thumbnails.spec_standard) return FALSE;
2072
2073         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2074         if (hide_dlg) return FALSE;
2075
2076         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", NULL, FALSE,
2077                                 NULL, NULL);
2078         gd->data = file_data_ref(dir_fd);
2079         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2080                                   pan_warning_ok_cb, TRUE);
2081
2082         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2083                                          _("Pan view performance may be poor."),
2084                                          _("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);
2085
2086         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2087         pref_spacer(group, PREF_PAD_INDENT);
2088         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2089
2090         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2091                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2092         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2093                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2094         pref_checkbox_link_sensitivity(ct_button, button);
2095
2096         pref_line(box, 0);
2097
2098         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2099                           G_CALLBACK(pan_warning_hide_cb), NULL);
2100
2101         gtk_widget_show(gd->dialog);
2102
2103         return TRUE;
2104 }
2105
2106
2107 /*
2108  *-----------------------------------------------------------------------------
2109  * entry point
2110  *-----------------------------------------------------------------------------
2111  */
2112
2113 void pan_window_new(FileData *dir_fd)
2114 {
2115         if (pan_warning(dir_fd)) return;
2116
2117         pan_window_new_real(dir_fd);
2118 }
2119
2120
2121 /*
2122  *-----------------------------------------------------------------------------
2123  * menus
2124  *-----------------------------------------------------------------------------
2125  */
2126
2127 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2128
2129
2130 static void pan_new_window_cb(GtkWidget *UNUSED(widget), gpointer data)
2131 {
2132         PanWindow *pw = data;
2133         FileData *fd;
2134
2135         fd = pan_menu_click_fd(pw);
2136         if (fd)
2137                 {
2138                 pan_fullscreen_toggle(pw, TRUE);
2139                 view_window_new(fd);
2140                 }
2141 }
2142
2143 static void pan_go_to_original_cb(GtkWidget *UNUSED(widget), gpointer data)
2144 {
2145         LayoutWindow *lw = NULL;
2146         PanWindow *pw = data;
2147         FileData *fd;
2148
2149         if (!layout_valid(&lw)) return;
2150
2151         fd = pan_menu_click_fd(pw);
2152         if (fd)
2153                 {
2154                 layout_set_fd(lw, fd);
2155                 }
2156 }
2157
2158 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2159 {
2160         PanWindow *pw;
2161         FileData *fd;
2162         const gchar *key = data;
2163
2164         pw = submenu_item_get_data(widget);
2165         if (!pw) return;
2166
2167         fd = pan_menu_click_fd(pw);
2168         if (fd)
2169                 {
2170                 if (!editor_window_flag_set(key))
2171                         {
2172                         pan_fullscreen_toggle(pw, TRUE);
2173                         }
2174                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2175                 }
2176 }
2177
2178 static void pan_zoom_in_cb(GtkWidget *UNUSED(widget), gpointer data)
2179 {
2180         PanWindow *pw = data;
2181
2182         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2183 }
2184
2185 static void pan_zoom_out_cb(GtkWidget *UNUSED(widget), gpointer data)
2186 {
2187         PanWindow *pw = data;
2188
2189         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2190 }
2191
2192 static void pan_zoom_1_1_cb(GtkWidget *UNUSED(widget), gpointer data)
2193 {
2194         PanWindow *pw = data;
2195
2196         image_zoom_set(pw->imd, 1.0);
2197 }
2198
2199 static void pan_copy_cb(GtkWidget *UNUSED(widget), gpointer data)
2200 {
2201         PanWindow *pw = data;
2202         FileData *fd;
2203
2204         fd = pan_menu_click_fd(pw);
2205         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2206 }
2207
2208 static void pan_move_cb(GtkWidget *UNUSED(widget), gpointer data)
2209 {
2210         PanWindow *pw = data;
2211         FileData *fd;
2212
2213         fd = pan_menu_click_fd(pw);
2214         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2215 }
2216
2217 static void pan_rename_cb(GtkWidget *UNUSED(widget), gpointer data)
2218 {
2219         PanWindow *pw = data;
2220         FileData *fd;
2221
2222         fd = pan_menu_click_fd(pw);
2223         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2224 }
2225
2226 static void pan_delete_cb(GtkWidget *UNUSED(widget), gpointer data)
2227 {
2228         PanWindow *pw = data;
2229         FileData *fd;
2230
2231         fd = pan_menu_click_fd(pw);
2232         if (fd)
2233                 {
2234                 options->file_ops.safe_delete_enable = FALSE;
2235                 file_util_delete(fd, NULL, pw->imd->widget);
2236                 }
2237 }
2238
2239 static void pan_move_to_trash_cb(GtkWidget *UNUSED(widget), gpointer data)
2240 {
2241         PanWindow *pw = data;
2242         FileData *fd;
2243
2244         fd = pan_menu_click_fd(pw);
2245         if (fd)
2246                 {
2247                 options->file_ops.safe_delete_enable = TRUE;
2248                 file_util_delete(fd, NULL, pw->imd->widget);
2249                 }
2250 }
2251
2252 static void pan_copy_path_cb(GtkWidget *UNUSED(widget), gpointer data)
2253 {
2254         PanWindow *pw = data;
2255         FileData *fd;
2256
2257         fd = pan_menu_click_fd(pw);
2258         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2259 }
2260
2261 static void pan_copy_path_unquoted_cb(GtkWidget *UNUSED(widget), gpointer data)
2262 {
2263         PanWindow *pw = data;
2264         FileData *fd;
2265
2266         fd = pan_menu_click_fd(pw);
2267         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2268 }
2269
2270 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2271 {
2272         PanWindow *pw = data;
2273
2274         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2275         pan_layout_update(pw);
2276 }
2277
2278 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2279 {
2280         PanWindow *pw = data;
2281
2282         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2283         /** @FIXME sync info now */
2284 }
2285
2286 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2287 {
2288         PanWindow *pw = data;
2289
2290         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2291         /** @FIXME sync info now */
2292 }
2293
2294 static void pan_fullscreen_cb(GtkWidget *UNUSED(widget), gpointer data)
2295 {
2296         PanWindow *pw = data;
2297
2298         pan_fullscreen_toggle(pw, FALSE);
2299 }
2300
2301 static void pan_close_cb(GtkWidget *UNUSED(widget), gpointer data)
2302 {
2303         PanWindow *pw = data;
2304
2305         pan_window_close(pw);
2306 }
2307
2308 static void pan_popup_menu_destroy_cb(GtkWidget *UNUSED(widget), gpointer data)
2309 {
2310         GList *editmenu_fd_list = data;
2311
2312         filelist_free(editmenu_fd_list);
2313 }
2314
2315 static void pan_play_cb(GtkWidget *UNUSED(widget), gpointer data)
2316 {
2317         PanWindow *pw = data;
2318
2319         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2320 }
2321
2322 static GList *pan_view_get_fd_list(PanWindow *pw)
2323 {
2324         GList *list = NULL;
2325         FileData *fd = pan_menu_click_fd(pw);
2326
2327         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2328
2329         return list;
2330 }
2331
2332 /**
2333  * @brief Add file selection list to a collection
2334  * @param[in] widget
2335  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2336  *
2337  *
2338  */
2339 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2340 {
2341         PanWindow *pw;
2342         GList *selection_list = NULL;
2343
2344         pw = submenu_item_get_data(widget);
2345         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2346         pop_menu_collections(selection_list, data);
2347
2348         filelist_free(selection_list);
2349 }
2350
2351 static GtkWidget *pan_popup_menu(PanWindow *pw)
2352 {
2353         GtkWidget *menu;
2354         GtkWidget *submenu;
2355         GtkWidget *item;
2356         gboolean active, video;
2357         GList *editmenu_fd_list;
2358         GtkAccelGroup *accel_group;
2359
2360         active = (pw->click_pi != NULL);
2361         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2362
2363         menu = popup_menu_short_lived();
2364         accel_group = gtk_accel_group_new();
2365         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2366
2367         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2368         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2369
2370         menu_item_add_stock_sensitive(menu, _("_Play"), GTK_STOCK_MEDIA_PLAY, video,
2371                             G_CALLBACK(pan_play_cb), pw);
2372         menu_item_add_divider(menu);
2373
2374         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2375                             G_CALLBACK(pan_zoom_in_cb), pw);
2376         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2377                             G_CALLBACK(pan_zoom_out_cb), pw);
2378         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2379                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2380         menu_item_add_divider(menu);
2381
2382         editmenu_fd_list = pan_view_get_fd_list(pw);
2383         g_signal_connect(G_OBJECT(menu), "destroy",
2384                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2385
2386         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2387         gtk_widget_set_sensitive(item, active);
2388
2389         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2390                                       G_CALLBACK(pan_new_window_cb), pw);
2391         menu_item_add_stock(menu, _("Go to original"), GTK_STOCK_FIND,
2392                         G_CALLBACK(pan_go_to_original_cb), pw);
2393
2394         menu_item_add_divider(menu);
2395         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2396                                       G_CALLBACK(pan_copy_cb), pw);
2397         menu_item_add_sensitive(menu, _("_Move..."), active,
2398                                 G_CALLBACK(pan_move_cb), pw);
2399         menu_item_add_sensitive(menu, _("_Rename..."), active,
2400                                 G_CALLBACK(pan_rename_cb), pw);
2401         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2402                                 G_CALLBACK(pan_copy_path_cb), pw);
2403         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2404                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2405
2406         menu_item_add_divider(menu);
2407         menu_item_add_stock_sensitive(menu,
2408                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2409                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH, active,
2410                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2411         menu_item_add_stock_sensitive(menu,
2412                                 options->file_ops.confirm_delete ? _("_Delete...") :
2413                                         _("_Delete"), GTK_STOCK_DELETE, active,
2414                                                 G_CALLBACK(pan_delete_cb), pw);
2415
2416         menu_item_add_divider(menu);
2417
2418         submenu = submenu_add_collections(menu, &item,
2419                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2420         gtk_widget_set_sensitive(item, TRUE);
2421         menu_item_add_divider(menu);
2422
2423
2424         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2425                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2426         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2427
2428         menu_item_add_divider(menu);
2429
2430         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2431                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2432         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2433         submenu = gtk_menu_new();
2434         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2435
2436         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2437                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2438         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2439
2440         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2441                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2442         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2443
2444         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2445                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2446         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2447
2448         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2449                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2450         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2451
2452         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2453                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2454         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2455
2456         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2457                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2458         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2459
2460
2461
2462         menu_item_add_divider(menu);
2463
2464         if (pw->fs)
2465                 {
2466                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2467                 }
2468         else
2469                 {
2470                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2471                 }
2472
2473         menu_item_add_divider(menu);
2474         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2475
2476         return menu;
2477 }
2478
2479
2480 /*
2481  *-----------------------------------------------------------------------------
2482  * drag and drop
2483  *-----------------------------------------------------------------------------
2484  */
2485
2486 static void pan_window_get_dnd_data(GtkWidget *UNUSED(widget), GdkDragContext *context,
2487                                     gint UNUSED(x), gint UNUSED(y),
2488                                     GtkSelectionData *selection_data, guint info,
2489                                     guint UNUSED(time), gpointer data)
2490 {
2491         PanWindow *pw = data;
2492
2493         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2494
2495         if (info == TARGET_URI_LIST)
2496                 {
2497                 GList *list;
2498
2499                 list = uri_filelist_from_gtk_selection_data(selection_data);
2500                 if (list && isdir(((FileData *)list->data)->path))
2501                         {
2502                         FileData *fd = list->data;
2503
2504                         pan_layout_set_fd(pw, fd);
2505                         }
2506
2507                 filelist_free(list);
2508                 }
2509 }
2510
2511 static void pan_window_set_dnd_data(GtkWidget *UNUSED(widget), GdkDragContext *UNUSED(context),
2512                                     GtkSelectionData *selection_data, guint UNUSED(info),
2513                                     guint UNUSED(time), gpointer data)
2514 {
2515         PanWindow *pw = data;
2516         FileData *fd;
2517
2518         fd = pan_menu_click_fd(pw);
2519         if (fd)
2520                 {
2521                 GList *list;
2522
2523                 list = g_list_append(NULL, fd);
2524                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2525                 g_list_free(list);
2526                 }
2527         else
2528                 {
2529                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2530                                        8, NULL, 0);
2531                 }
2532 }
2533
2534 static void pan_window_dnd_init(PanWindow *pw)
2535 {
2536         GtkWidget *widget;
2537
2538         widget = pw->imd->pr;
2539
2540         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2541                             dnd_file_drag_types, dnd_file_drag_types_count,
2542                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2543         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2544                          G_CALLBACK(pan_window_set_dnd_data), pw);
2545
2546         gtk_drag_dest_set(widget,
2547                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2548                           dnd_file_drop_types, dnd_file_drop_types_count,
2549                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2550         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2551                          G_CALLBACK(pan_window_get_dnd_data), pw);
2552 }
2553
2554 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */