src/pan-view/pan-view.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "pan-view.h"
  23
  24 #include "bar_exif.h"
  25 #include "dnd.h"
  26 #include "editors.h"
  27 #include "exif.h"
  28 #include "fullscreen.h"
  29 #include "history_list.h"
  30 #include "image.h"
  31 #include "img-view.h"
  32 #include "layout_util.h"
  33 #include "menu.h"
  34 #include "metadata.h"
  35 #include "misc.h"
  36 #include "pan-calendar.h"
  37 #include "pan-folder.h"
  38 #include "pan-grid.h"
  39 #include "pan-item.h"
  40 #include "pan-timeline.h"
  41 #include "pan-util.h"
  42 #include "pan-view-filter.h"
  43 #include "pan-view-search.h"
  44 #include "pixbuf-renderer.h"
  45 #include "pixbuf_util.h"
  46 #include "thumb.h"
  47 #include "ui_fileops.h"
  48 #include "ui_menu.h"
  49 #include "ui_misc.h"
  50 #include "ui_tabcomp.h"
  51 #include "ui_utildlg.h"
  52 #include "uri_utils.h"
  53 #include "utilops.h"
  54 #include "window.h"
  55
  56 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  57
  58 #include <math.h>
  59
  60
  61 #define PAN_WINDOW_DEFAULT_WIDTH 720
  62 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  63
  64 #define PAN_TILE_SIZE 512
  65
  66 #define ZOOM_INCREMENT 1.0
  67 #define ZOOM_LABEL_WIDTH 64
  68
  69
  70 #define PAN_PREF_GROUP          "pan_view_options"
  71 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  72 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  73 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  74 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  75
  76
  77 static GList *pan_window_list = NULL;
  78
  79
  80 static void pan_layout_update_idle(PanWindow *pw);
  81
  82 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  83
  84 static void pan_window_close(PanWindow *pw);
  85
  86 static GtkWidget *pan_popup_menu(PanWindow *pw);
  87
  88 static void pan_window_dnd_init(PanWindow *pw);
  89
  90 /**
  91  * This array must be kept in sync with the contents of:\n
  92  * @link pan_window_key_press_cb @endlink \n
  93  * @link pan_popup_menu @endlink
  94  *
  95  * See also @link hard_coded_window_keys @endlink
  96  **/
  97 hard_coded_window_keys pan_view_window_keys[] = {
  98         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  99         {GDK_CONTROL_MASK, 'M', N_("Move")},
 100         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 101         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 102         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 103         {GDK_CONTROL_MASK, 'F', N_("Display Find search bar")},
 104         {GDK_CONTROL_MASK, 'G', N_("Start search")},
 105         {0, GDK_KEY_Escape, N_("Exit fullscreen")},
 106         {0, GDK_KEY_Escape, N_("Hide Find search bar")},
 107         {0, GDK_KEY_equal, N_("Zoom in")},
 108         {0, GDK_KEY_plus, N_("Zoom in")},
 109         {0, GDK_KEY_minus, N_("Zoom out")},
 110         {0, GDK_KEY_Z, N_("Zoom 1:1")},
 111         {0, GDK_KEY_1, N_("Zoom 1:1")},
 112         {0, GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 113         {0, '2', N_("Zoom 2:1")},
 114         {0, '3', N_("Zoom 3:1")},
 115         {0, '4', N_("Zoom 4:1")},
 116         {0, '7', N_("Zoom 1:4")},
 117         {0, '8', N_("Zoom 1:3")},
 118         {0, '9', N_("Zoom 1:2")},
 119         {0, 'F', N_("Full screen")},
 120         {0, 'V', N_("Full screen")},
 121         {0, GDK_KEY_F11, N_("Full screen")},
 122         {0, '/', N_("Display Find search bar")},
 123         {0, GDK_KEY_Left, N_("Scroll left")},
 124         {0, GDK_KEY_Right, N_("Scroll right")},
 125         {0, GDK_KEY_Up, N_("Scroll up")},
 126         {0, GDK_KEY_Down, N_("Scroll down")},
 127         {GDK_SHIFT_MASK, GDK_KEY_Left, N_("Scroll left faster")},
 128         {GDK_SHIFT_MASK, GDK_KEY_Right, N_("Scroll right faster")},
 129         {GDK_SHIFT_MASK, GDK_KEY_Up, N_("Scroll up faster")},
 130         {GDK_SHIFT_MASK, GDK_KEY_Down, N_("Scroll down faster")},
 131         {0, GDK_KEY_Page_Up, N_("Scroll display half screen up")},
 132         {0, GDK_KEY_Page_Down, N_("Scroll display half screen down")},
 133         {0, GDK_KEY_Home, N_("Scroll display half screen left")},
 134         {0, GDK_KEY_End, N_("Scroll display half screen right")},
 135         {0, 0, NULL}
 136 };
 137
 138 /*
 139  *-----------------------------------------------------------------------------
 140  * the image/thumb loader queue
 141  *-----------------------------------------------------------------------------
 142  */
 143
 144 static gboolean pan_queue_step(PanWindow *pw);
 145
 146
 147 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 148 {
 149         PanWindow *pw = data;
 150
 151         if (pw->queue_pi)
 152                 {
 153                 PanItem *pi;
 154                 gint rc;
 155
 156                 pi = pw->queue_pi;
 157                 pw->queue_pi = NULL;
 158
 159                 pi->queued = FALSE;
 160
 161                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 162                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 163
 164                 rc = pi->refcount;
 165                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 166                 pi->refcount = rc;
 167                 }
 168
 169         thumb_loader_free(pw->tl);
 170         pw->tl = NULL;
 171
 172         while (pan_queue_step(pw));
 173 }
 174
 175 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 176 {
 177         PanWindow *pw = data;
 178         GdkPixbuf *rotated = NULL;
 179
 180         if (pw->queue_pi)
 181                 {
 182                 PanItem *pi;
 183                 gint rc;
 184
 185                 pi = pw->queue_pi;
 186                 pw->queue_pi = NULL;
 187
 188                 pi->queued = FALSE;
 189
 190                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 191                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 192
 193                 if (pi->pixbuf && options->image.exif_rotate_enable)
 194                         {
 195                         if (!il->fd->exif_orientation)
 196                                 {
 197                                 if (g_strcmp0(il->fd->format_name, "heif") != 0)
 198                                         {
 199                                         il->fd->exif_orientation = metadata_read_int(il->fd, ORIENTATION_KEY, EXIF_ORIENTATION_TOP_LEFT);
 200                                         }
 201                                 else
 202                                         {
 203                                         il->fd->exif_orientation = EXIF_ORIENTATION_TOP_LEFT;
 204                                         }
 205                                 }
 206
 207                         if (il->fd->exif_orientation != EXIF_ORIENTATION_TOP_LEFT)
 208                                 {
 209                                 rotated = pixbuf_apply_orientation(pi->pixbuf, il->fd->exif_orientation);
 210                                 pi->pixbuf = rotated;
 211                                 }
 212                         }
 213
 214                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 215
 216                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 217                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 218                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 219                         {
 220                         GdkPixbuf *tmp;
 221
 222                         tmp = pi->pixbuf;
 223                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 224                                                              (GdkInterpType)options->image.zoom_quality);
 225                         g_object_unref(tmp);
 226                         }
 227
 228                 rc = pi->refcount;
 229                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 230                 pi->refcount = rc;
 231                 }
 232
 233         image_loader_free(pw->il);
 234         pw->il = NULL;
 235
 236         while (pan_queue_step(pw));
 237 }
 238
 239 static gboolean pan_queue_step(PanWindow *pw)
 240 {
 241         PanItem *pi;
 242
 243         if (!pw->queue) return FALSE;
 244
 245         pi = pw->queue->data;
 246         pw->queue = g_list_remove(pw->queue, pi);
 247         pw->queue_pi = pi;
 248
 249         if (!pw->queue_pi->fd)
 250                 {
 251                 pw->queue_pi->queued = FALSE;
 252                 pw->queue_pi = NULL;
 253                 return TRUE;
 254                 }
 255
 256         image_loader_free(pw->il);
 257         pw->il = NULL;
 258         thumb_loader_free(pw->tl);
 259         pw->tl = NULL;
 260
 261         if (pi->type == PAN_ITEM_IMAGE)
 262                 {
 263                 pw->il = image_loader_new(pi->fd);
 264
 265                 if (pw->size != PAN_IMAGE_SIZE_100)
 266                         {
 267                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 268                         }
 269
 270                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 271                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 272
 273                 if (image_loader_start(pw->il)) return FALSE;
 274
 275                 image_loader_free(pw->il);
 276                 pw->il = NULL;
 277                 }
 278         else if (pi->type == PAN_ITEM_THUMB)
 279                 {
 280                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 281
 282                 if (!pw->tl->standard_loader)
 283                         {
 284                         /* The classic loader will recreate a thumbnail any time we
 285                          * request a different size than what exists. This view will
 286                          * almost never use the user configured sizes so disable cache.
 287                          */
 288                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 289                         }
 290
 291                 thumb_loader_set_callbacks(pw->tl,
 292                                            pan_queue_thumb_done_cb,
 293                                            pan_queue_thumb_done_cb,
 294                                            NULL, pw);
 295
 296                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 297
 298                 thumb_loader_free(pw->tl);
 299                 pw->tl = NULL;
 300                 }
 301
 302         pw->queue_pi->queued = FALSE;
 303         pw->queue_pi = NULL;
 304         return TRUE;
 305 }
 306
 307 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 308 {
 309         if (!pi || pi->queued || pi->pixbuf) return;
 310         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 311             (!pi->key || strcmp(pi->key, "info") != 0) )
 312                 {
 313                 return;
 314                 }
 315
 316         pi->queued = TRUE;
 317         pw->queue = g_list_prepend(pw->queue, pi);
 318
 319         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 320 }
 321
 322
 323 /*
 324  *-----------------------------------------------------------------------------
 325  * tile request/dispose handlers
 326  *-----------------------------------------------------------------------------
 327  */
 328
 329 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 330                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 331 {
 332         PanWindow *pw = data;
 333         GList *list;
 334         GList *work;
 335         gint i;
 336
 337         pixbuf_set_rect_fill(pixbuf,
 338                              0, 0, width, height,
 339                              PAN_BACKGROUND_COLOR, 255);
 340
 341         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 342                 {
 343                 gint rx, ry, rw, rh;
 344
 345                 if (util_clip_region(x, y, width, height,
 346                                      i, y, 1, height,
 347                                      &rx, &ry, &rw, &rh))
 348                         {
 349                         pixbuf_draw_rect_fill(pixbuf,
 350                                               rx - x, ry - y, rw, rh,
 351                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 352                         }
 353                 }
 354         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 355                 {
 356                 gint rx, ry, rw, rh;
 357
 358                 if (util_clip_region(x, y, width, height,
 359                                      x, i, width, 1,
 360                                      &rx, &ry, &rw, &rh))
 361                         {
 362                         pixbuf_draw_rect_fill(pixbuf,
 363                                               rx - x, ry - y, rw, rh,
 364                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 365                         }
 366                 }
 367
 368         list = pan_layout_intersect(pw, x, y, width, height);
 369         work = list;
 370         while (work)
 371                 {
 372                 PanItem *pi;
 373                 gboolean queue = FALSE;
 374
 375                 pi = work->data;
 376                 work = work->next;
 377
 378                 pi->refcount++;
 379
 380                 switch (pi->type)
 381                         {
 382                         case PAN_ITEM_BOX:
 383                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 384                                 break;
 385                         case PAN_ITEM_TRIANGLE:
 386                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 387                                 break;
 388                         case PAN_ITEM_TEXT:
 389                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 390                                 break;
 391                         case PAN_ITEM_THUMB:
 392                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 393                                 break;
 394                         case PAN_ITEM_IMAGE:
 395                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 396                                 break;
 397                         case PAN_ITEM_NONE:
 398                         default:
 399                                 break;
 400                         }
 401
 402                 if (queue) pan_queue_add(pw, pi);
 403                 }
 404
 405         g_list_free(list);
 406
 407         return TRUE;
 408 }
 409
 410 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 411                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 412 {
 413         PanWindow *pw = data;
 414         GList *list;
 415         GList *work;
 416
 417         list = pan_layout_intersect(pw, x, y, width, height);
 418         work = list;
 419         while (work)
 420                 {
 421                 PanItem *pi;
 422
 423                 pi = work->data;
 424                 work = work->next;
 425
 426                 if (pi->refcount > 0)
 427                         {
 428                         pi->refcount--;
 429
 430                         if (pi->refcount == 0)
 431                                 {
 432                                 if (pi->queued)
 433                                         {
 434                                         pw->queue = g_list_remove(pw->queue, pi);
 435                                         pi->queued = FALSE;
 436                                         }
 437                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 438                                 if (pi->pixbuf)
 439                                         {
 440                                         g_object_unref(pi->pixbuf);
 441                                         pi->pixbuf = NULL;
 442                                         }
 443                                 }
 444                         }
 445                 }
 446
 447         g_list_free(list);
 448 }
 449
 450
 451 /*
 452  *-----------------------------------------------------------------------------
 453  * misc
 454  *-----------------------------------------------------------------------------
 455  */
 456
 457 static void pan_window_message(PanWindow *pw, const gchar *text)
 458 {
 459         GList *work;
 460         gint count = 0;
 461         gint64 size = 0;
 462         gchar *ss;
 463         gchar *buf;
 464
 465         if (text)
 466                 {
 467                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 468                 return;
 469                 }
 470
 471         work = pw->list_static;
 472         if (pw->layout == PAN_LAYOUT_CALENDAR)
 473                 {
 474                 while (work)
 475                         {
 476                         PanItem *pi;
 477
 478                         pi = work->data;
 479                         work = work->next;
 480
 481                         if (pi->fd &&
 482                             pi->type == PAN_ITEM_BOX &&
 483                             pi->key && strcmp(pi->key, "dot") == 0)
 484                                 {
 485                                 size += pi->fd->size;
 486                                 count++;
 487                                 }
 488                         }
 489                 }
 490         else
 491                 {
 492                 while (work)
 493                         {
 494                         PanItem *pi;
 495
 496                         pi = work->data;
 497                         work = work->next;
 498
 499                         if (pi->fd &&
 500                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 501                                 {
 502                                 size += pi->fd->size;
 503                                 count++;
 504                                 }
 505                         }
 506                 }
 507
 508         ss = text_from_size_abrev(size);
 509         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 510         g_free(ss);
 511         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 512         g_free(buf);
 513 }
 514
 515 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 516 {
 517         gchar *message;
 518
 519         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 520         warning_dialog(_("Folder not supported"), message,
 521                       GTK_STOCK_DIALOG_INFO, parent);
 522         g_free(message);
 523 }
 524
 525 static void pan_window_zoom_limit(PanWindow *pw)
 526 {
 527         gdouble min;
 528
 529         switch (pw->size)
 530                 {
 531                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 532                 case PAN_IMAGE_SIZE_THUMB_NONE:
 533                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 534                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 535 #if 0
 536                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 537                         min = -16.0;
 538                         break;
 539 #endif
 540                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 541                         min = -6.0;
 542                         break;
 543                 case PAN_IMAGE_SIZE_10:
 544                 case PAN_IMAGE_SIZE_25:
 545                         min = -4.0;
 546                         break;
 547                 case PAN_IMAGE_SIZE_33:
 548                 case PAN_IMAGE_SIZE_50:
 549                 case PAN_IMAGE_SIZE_100:
 550                 default:
 551                         min = -2.0;
 552                         break;
 553                 }
 554
 555         image_zoom_set_limits(pw->imd, min, 32.0);
 556 }
 557
 558
 559 /*
 560  *-----------------------------------------------------------------------------
 561  * cache
 562  *-----------------------------------------------------------------------------
 563  */
 564
 565 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 566 {
 567         PanCacheData *pca = a;
 568         PanCacheData *pcb = b;
 569         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 570 }
 571 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend)
 572 {
 573         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 574 }
 575
 576
 577 static void pan_cache_free(PanWindow *pw)
 578 {
 579         GList *work;
 580
 581         work = pw->cache_list;
 582         while (work)
 583                 {
 584                 PanCacheData *pc;
 585
 586                 pc = work->data;
 587                 work = work->next;
 588
 589                 cache_sim_data_free(pc->cd);
 590                 file_data_unref(pc->fd);
 591                 g_free(pc);
 592                 }
 593
 594         g_list_free(pw->cache_list);
 595         pw->cache_list = NULL;
 596
 597         filelist_free(pw->cache_todo);
 598         pw->cache_todo = NULL;
 599
 600         pw->cache_count = 0;
 601         pw->cache_total = 0;
 602         pw->cache_tick = 0;
 603
 604         cache_loader_free(pw->cache_cl);
 605         pw->cache_cl = NULL;
 606 }
 607
 608 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 609 {
 610         GList *list;
 611
 612         pan_cache_free(pw);
 613
 614         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 615         pw->cache_todo = g_list_reverse(list);
 616
 617         pw->cache_total = g_list_length(pw->cache_todo);
 618 }
 619
 620 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 621 {
 622         PanWindow *pw = data;
 623
 624         if (pw->cache_list)
 625                 {
 626                 PanCacheData *pc;
 627                 pc = pw->cache_list->data;
 628
 629                 if (!pc->cd)
 630                         {
 631                         pc->cd = cl->cd;
 632                         cl->cd = NULL;
 633                         }
 634                 }
 635
 636         cache_loader_free(cl);
 637         pw->cache_cl = NULL;
 638
 639         pan_layout_update_idle(pw);
 640 }
 641
 642 static gboolean pan_cache_step(PanWindow *pw)
 643 {
 644         FileData *fd;
 645         PanCacheData *pc;
 646         CacheDataType load_mask;
 647
 648         if (!pw->cache_todo) return TRUE;
 649
 650         fd = pw->cache_todo->data;
 651         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 652
 653         pc = g_new0(PanCacheData, 1);
 654         pc->fd = file_data_ref(fd);
 655
 656         pc->cd = NULL;
 657
 658         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 659
 660         cache_loader_free(pw->cache_cl);
 661
 662         load_mask = CACHE_LOADER_NONE;
 663         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 664         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 665         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 666                                         pan_cache_step_done_cb, pw);
 667         return (pw->cache_cl == NULL);
 668 }
 669
 670 /* This sync date function is optimized for lists with a common sort */
 671 void pan_cache_sync_date(PanWindow *pw, GList *list)
 672 {
 673         GList *haystack;
 674         GList *work;
 675
 676         haystack = g_list_copy(pw->cache_list);
 677
 678         work = list;
 679         while (work)
 680                 {
 681                 FileData *fd;
 682                 GList *needle;
 683
 684                 fd = work->data;
 685                 work = work->next;
 686
 687                 needle = haystack;
 688                 while (needle)
 689                         {
 690                         PanCacheData *pc;
 691
 692                         pc = needle->data;
 693                         if (pc->fd == fd)
 694                                 {
 695                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 696                                         {
 697                                         fd->date = pc->cd->date;
 698                                         }
 699
 700                                 haystack = g_list_delete_link(haystack, needle);
 701                                 needle = NULL;
 702                                 }
 703                         else
 704                                 {
 705                                 needle = needle->next;
 706                                 }
 707                         }
 708                 }
 709
 710         g_list_free(haystack);
 711 }
 712
 713 /*
 714  *-----------------------------------------------------------------------------
 715  * item grid
 716  *-----------------------------------------------------------------------------
 717  */
 718
 719 static void pan_grid_clear(PanWindow *pw)
 720 {
 721         GList *work;
 722
 723         work = pw->list_grid;
 724         while (work)
 725                 {
 726                 PanGrid *pg;
 727
 728                 pg = work->data;
 729                 work = work->next;
 730
 731                 g_list_free(pg->list);
 732                 g_free(pg);
 733                 }
 734
 735         g_list_free(pw->list_grid);
 736         pw->list_grid = NULL;
 737
 738         pw->list = g_list_concat(pw->list, pw->list_static);
 739         pw->list_static = NULL;
 740 }
 741
 742 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 743 {
 744         GList *work;
 745         gint col, row;
 746         gint cw, ch;
 747         gint l;
 748         gint i, j;
 749
 750         pan_grid_clear(pw);
 751
 752         l = g_list_length(pw->list);
 753
 754         if (l < 1) return;
 755
 756         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 757         col = CLAMP(col, 1, l / grid_size + 1);
 758         row = (gint)((gdouble)l / grid_size / col);
 759         if (row < 1) row = 1;
 760
 761         /* limit minimum size of grid so that a tile will always fit regardless of position */
 762         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 763         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 764
 765         row = row * 2 - 1;
 766         col = col * 2 - 1;
 767
 768         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 769
 770         for (j = 0; j < row; j++)
 771             for (i = 0; i < col; i++)
 772                 {
 773                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 774                         {
 775                         PanGrid *pg;
 776
 777                         pg = g_new0(PanGrid, 1);
 778                         pg->x = i * cw / 2;
 779                         pg->y = j * ch / 2;
 780                         pg->w = cw;
 781                         pg->h = ch;
 782
 783                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 784
 785                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 786                         }
 787                 }
 788
 789         work = pw->list;
 790         while (work)
 791                 {
 792                 PanItem *pi;
 793                 GList *grid;
 794
 795                 pi = work->data;
 796                 work = work->next;
 797
 798                 grid = pw->list_grid;
 799                 while (grid)
 800                         {
 801                         PanGrid *pg;
 802                         gint rx, ry, rw, rh;
 803
 804                         pg = grid->data;
 805                         grid = grid->next;
 806
 807                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 808                                              pg->x, pg->y, pg->w, pg->h,
 809                                              &rx, &ry, &rw, &rh))
 810                                 {
 811                                 pg->list = g_list_prepend(pg->list, pi);
 812                                 }
 813                         }
 814                 }
 815
 816         work = pw->list_grid;
 817         while (work)
 818                 {
 819                 PanGrid *pg;
 820
 821                 pg = work->data;
 822                 work = work->next;
 823
 824                 pg->list = g_list_reverse(pg->list);
 825                 }
 826
 827         pw->list_static = pw->list;
 828         pw->list = NULL;
 829 }
 830
 831
 832 /*
 833  *-----------------------------------------------------------------------------
 834  * layout state reset
 835  *-----------------------------------------------------------------------------
 836  */
 837
 838 static void pan_window_items_free(PanWindow *pw)
 839 {
 840         GList *work;
 841
 842         pan_grid_clear(pw);
 843
 844         work = pw->list;
 845         while (work)
 846                 {
 847                 PanItem *pi = work->data;
 848                 work = work->next;
 849
 850                 pan_item_free(pi);
 851                 }
 852
 853         g_list_free(pw->list);
 854         pw->list = NULL;
 855
 856         g_list_free(pw->queue);
 857         pw->queue = NULL;
 858         pw->queue_pi = NULL;
 859
 860         image_loader_free(pw->il);
 861         pw->il = NULL;
 862
 863         thumb_loader_free(pw->tl);
 864         pw->tl = NULL;
 865
 866         pw->click_pi = NULL;
 867         pw->search_pi = NULL;
 868 }
 869
 870
 871 /*
 872  *-----------------------------------------------------------------------------
 873  * layout generation, queries, sizing
 874  *-----------------------------------------------------------------------------
 875  */
 876
 877 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 878                                gint *width, gint *height,
 879                                gint *scroll_x, gint *scroll_y)
 880 {
 881         pan_window_items_free(pw);
 882
 883         switch (pw->size)
 884                 {
 885                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 886                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 887                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 888                         break;
 889                 case PAN_IMAGE_SIZE_THUMB_NONE:
 890                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 891                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 892                         break;
 893                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 894                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 895                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 896                         break;
 897                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 898                 default:
 899                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 900                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 901                         break;
 902                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 903                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 904                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 905                         break;
 906                 case PAN_IMAGE_SIZE_10:
 907                         pw->image_size = 10;
 908                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 909                         break;
 910                 case PAN_IMAGE_SIZE_25:
 911                         pw->image_size = 25;
 912                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 913                         break;
 914                 case PAN_IMAGE_SIZE_33:
 915                         pw->image_size = 33;
 916                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 917                         break;
 918                 case PAN_IMAGE_SIZE_50:
 919                         pw->image_size = 50;
 920                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 921                         break;
 922                 case PAN_IMAGE_SIZE_100:
 923                         pw->image_size = 100;
 924                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 925                         break;
 926                 }
 927
 928         *width = 0;
 929         *height = 0;
 930         *scroll_x = 0;
 931         *scroll_y = 0;
 932
 933         switch (pw->layout)
 934                 {
 935                 case PAN_LAYOUT_GRID:
 936                 default:
 937                         pan_grid_compute(pw, dir_fd, width, height);
 938                         break;
 939                 case PAN_LAYOUT_FOLDERS_LINEAR:
 940                         pan_folder_tree_compute(pw, dir_fd, width, height);
 941                         break;
 942                 case PAN_LAYOUT_FOLDERS_FLOWER:
 943                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 944                         break;
 945                 case PAN_LAYOUT_CALENDAR:
 946                         pan_calendar_compute(pw, dir_fd, width, height);
 947                         break;
 948                 case PAN_LAYOUT_TIMELINE:
 949                         pan_timeline_compute(pw, dir_fd, width, height);
 950                         break;
 951                 }
 952
 953         pan_cache_free(pw);
 954
 955         DEBUG_1("computed %d objects", g_list_length(pw->list));
 956 }
 957
 958 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 959                                      gint x, gint y, gint width, gint height)
 960 {
 961         GList *work;
 962
 963         work = item_list;
 964         while (work)
 965                 {
 966                 PanItem *pi;
 967                 gint rx, ry, rw, rh;
 968
 969                 pi = work->data;
 970                 work = work->next;
 971
 972                 if (util_clip_region(x, y, width, height,
 973                                      pi->x, pi->y, pi->width, pi->height,
 974                                      &rx, &ry, &rw, &rh))
 975                         {
 976                         list = g_list_prepend(list, pi);
 977                         }
 978                 }
 979
 980         return list;
 981 }
 982
 983 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 984 {
 985         GList *list = NULL;
 986         GList *grid;
 987         PanGrid *pg = NULL;
 988
 989         grid = pw->list_grid;
 990         while (grid && !pg)
 991                 {
 992                 pg = grid->data;
 993                 grid = grid->next;
 994
 995                 if (x < pg->x || x + width > pg->x + pg->w ||
 996                     y < pg->y || y + height > pg->y + pg->h)
 997                         {
 998                         pg = NULL;
 999                         }
1000                 }
1001
1002         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
1003
1004         if (pg)
1005                 {
1006                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
1007                 }
1008         else
1009                 {
1010                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
1011                 }
1012
1013         return list;
1014 }
1015
1016 void pan_layout_resize(PanWindow *pw)
1017 {
1018         gint width = 0;
1019         gint height = 0;
1020         GList *work;
1021         PixbufRenderer *pr;
1022
1023         work = pw->list;
1024         while (work)
1025                 {
1026                 PanItem *pi;
1027
1028                 pi = work->data;
1029                 work = work->next;
1030
1031                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1032                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1033                 }
1034         work = pw->list_static;
1035         while (work)
1036                 {
1037                 PanItem *pi;
1038
1039                 pi = work->data;
1040                 work = work->next;
1041
1042                 if (width < pi->x + pi->width) width = pi->x + pi->width;
1043                 if (height < pi->y + pi->height) height = pi->y + pi->height;
1044                 }
1045
1046         width += PAN_BOX_BORDER * 2;
1047         height += PAN_BOX_BORDER * 2;
1048
1049         pr = PIXBUF_RENDERER(pw->imd->pr);
1050         if (width < pr->window_width) width = pr->window_width;
1051         if (height < pr->window_width) height = pr->window_height;
1052
1053         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
1054 }
1055
1056 static gint pan_layout_update_idle_cb(gpointer data)
1057 {
1058         PanWindow *pw = data;
1059         gint width;
1060         gint height;
1061         gint scroll_x;
1062         gint scroll_y;
1063
1064         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
1065             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
1066                 {
1067                 if (!pw->cache_list && !pw->cache_todo)
1068                         {
1069                         pan_cache_fill(pw, pw->dir_fd);
1070                         if (pw->cache_todo)
1071                                 {
1072                                 pan_window_message(pw, _("Reading image data..."));
1073                                 return TRUE;
1074                                 }
1075                         }
1076                 if (pw->cache_todo)
1077                         {
1078                         pw->cache_count++;
1079                         pw->cache_tick++;
1080                         if (pw->cache_count == pw->cache_total)
1081                                 {
1082                                 pan_window_message(pw, _("Sorting..."));
1083                                 }
1084                         else if (pw->cache_tick > 9)
1085                                 {
1086                                 gchar *buf;
1087
1088                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1089                                                       pw->cache_count, pw->cache_total);
1090                                 pan_window_message(pw, buf);
1091                                 g_free(buf);
1092
1093                                 pw->cache_tick = 0;
1094                                 }
1095
1096                         if (pan_cache_step(pw)) return TRUE;
1097
1098                         pw->idle_id = 0;
1099                         return FALSE;
1100                         }
1101                 }
1102
1103         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1104
1105         pan_window_zoom_limit(pw);
1106
1107         if (width > 0 && height > 0)
1108                 {
1109                 gdouble align;
1110
1111                 DEBUG_1("Canvas size is %d x %d", width, height);
1112
1113                 pan_grid_build(pw, width, height, 1000);
1114
1115                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1116                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1117                                           pan_window_request_tile_cb,
1118                                           pan_window_dispose_tile_cb, pw, 1.0);
1119
1120                 if (scroll_x == 0 && scroll_y == 0)
1121                         {
1122                         align = 0.0;
1123                         }
1124                 else
1125                         {
1126                         align = 0.5;
1127                         }
1128                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1129                 }
1130
1131         pan_window_message(pw, NULL);
1132
1133         pw->idle_id = 0;
1134         return FALSE;
1135 }
1136
1137 static void pan_layout_update_idle(PanWindow *pw)
1138 {
1139         if (!pw->idle_id)
1140                 {
1141                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1142                 }
1143 }
1144
1145 void pan_layout_update(PanWindow *pw)
1146 {
1147         pan_window_message(pw, _("Sorting images..."));
1148         pan_layout_update_idle(pw);
1149 }
1150
1151 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1152 {
1153         if (!dir_fd) return;
1154
1155         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1156                 {
1157                 pan_warning_folder(dir_fd->path, pw->window);
1158                 return;
1159                 }
1160
1161         file_data_unref(pw->dir_fd);
1162         pw->dir_fd = file_data_ref(dir_fd);
1163
1164         pan_layout_update(pw);
1165 }
1166
1167
1168 /*
1169  *-----------------------------------------------------------------------------
1170  * keyboard handlers
1171  *-----------------------------------------------------------------------------
1172  */
1173
1174 FileData *pan_menu_click_fd(PanWindow *pw)
1175 {
1176         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1177         return NULL;
1178 }
1179
1180 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1181 {
1182         PanWindow *pw = data;
1183
1184         gdk_window_get_origin(gtk_widget_get_window(pw->imd->pr), x, y);
1185         popup_menu_position_clamp(menu, x, y, 0);
1186 }
1187
1188 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1189 {
1190         PanWindow *pw = data;
1191         PixbufRenderer *pr;
1192         FileData *fd;
1193         gboolean stop_signal = FALSE;
1194         GtkWidget *menu;
1195         GtkWidget *imd_widget;
1196         gint x = 0;
1197         gint y = 0;
1198         gint focused;
1199         gint on_entry;
1200
1201         pr = PIXBUF_RENDERER(pw->imd->pr);
1202         fd = pan_menu_click_fd(pw);
1203
1204         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1205         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1206         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1207                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1208                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1209
1210         if (focused)
1211                 {
1212                 stop_signal = TRUE;
1213                 switch (event->keyval)
1214                         {
1215                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1216                                 x -= 1;
1217                                 break;
1218                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1219                                 x += 1;
1220                                 break;
1221                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1222                                 y -= 1;
1223                                 break;
1224                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1225                                 y += 1;
1226                                 break;
1227                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1228                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1229                                 break;
1230                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1231                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1232                                 break;
1233                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1234                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1235                                 break;
1236                         case GDK_KEY_End: case GDK_KEY_KP_End:
1237                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1238                                 break;
1239                         default:
1240                                 stop_signal = FALSE;
1241                                 break;
1242                         }
1243
1244                 if (x != 0 || y!= 0)
1245                         {
1246                         if (event->state & GDK_SHIFT_MASK)
1247                                 {
1248                                 x *= 3;
1249                                 y *= 3;
1250                                 }
1251                         keyboard_scroll_calc(&x, &y, event);
1252                         pixbuf_renderer_scroll(pr, x, y);
1253                         }
1254                 }
1255
1256         if (stop_signal) return stop_signal;
1257
1258         if (event->state & GDK_CONTROL_MASK)
1259                 {
1260                 stop_signal = TRUE;
1261                 switch (event->keyval)
1262                         {
1263                         case '1':
1264                         case '2':
1265                         case '3':
1266                         case '4':
1267                         case '5':
1268                         case '6':
1269                         case '7':
1270                         case '8':
1271                         case '9':
1272                         case '0':
1273                                 break;
1274                         case 'C': case 'c':
1275                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1276                                 break;
1277                         case 'M': case 'm':
1278                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1279                                 break;
1280                         case 'R': case 'r':
1281                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1282                                 break;
1283                         case 'D': case 'd':
1284                                 if (fd)
1285                                         {
1286                                         options->file_ops.safe_delete_enable = TRUE;
1287                                         file_util_delete(fd, NULL, GTK_WIDGET(pr));
1288                                         }
1289                                 break;
1290                         case 'F': case 'f':
1291                                 pan_search_toggle_visible(pw, TRUE);
1292                                 break;
1293                         case 'G': case 'g':
1294                                 pan_search_activate(pw);
1295                                 break;
1296                         case 'W': case 'w':
1297                                 pan_window_close(pw);
1298                                 break;
1299                         default:
1300                                 stop_signal = FALSE;
1301                                 break;
1302                         }
1303                 }
1304         else
1305                 {
1306                 stop_signal = TRUE;
1307                 switch (event->keyval)
1308                         {
1309                         case GDK_KEY_Escape:
1310                                 if (pw->fs)
1311                                         {
1312                                         pan_fullscreen_toggle(pw, TRUE);
1313                                         }
1314                                 else
1315                                         {
1316                                         pan_search_toggle_visible(pw, FALSE);
1317                                         }
1318                                 break;
1319                         default:
1320                                 stop_signal = FALSE;
1321                                 break;
1322                         }
1323
1324                 if (stop_signal) return stop_signal;
1325
1326                 // Don't steal characters from entry boxes.
1327                 if (!on_entry)
1328                         {
1329                         stop_signal = TRUE;
1330                         switch (event->keyval)
1331                                 {
1332                                 case '+': case '=': case GDK_KEY_KP_Add:
1333                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1334                                         break;
1335                                 case '-': case GDK_KEY_KP_Subtract:
1336                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1337                                         break;
1338                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1339                                         pixbuf_renderer_zoom_set(pr, 1.0);
1340                                         break;
1341                                 case '2':
1342                                         pixbuf_renderer_zoom_set(pr, 2.0);
1343                                         break;
1344                                 case '3':
1345                                         pixbuf_renderer_zoom_set(pr, 3.0);
1346                                         break;
1347                                 case '4':
1348                                         pixbuf_renderer_zoom_set(pr, 4.0);
1349                                         break;
1350                                 case '7':
1351                                         pixbuf_renderer_zoom_set(pr, -4.0);
1352                                         break;
1353                                 case '8':
1354                                         pixbuf_renderer_zoom_set(pr, -3.0);
1355                                         break;
1356                                 case '9':
1357                                         pixbuf_renderer_zoom_set(pr, -2.0);
1358                                         break;
1359                                 case 'F': case 'f':
1360                                 case 'V': case 'v':
1361                                 case GDK_KEY_F11:
1362                                         pan_fullscreen_toggle(pw, FALSE);
1363                                         break;
1364                                 case 'I': case 'i':
1365                                         break;
1366                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1367                                         break;
1368                                 case GDK_KEY_Menu:
1369                                 case GDK_KEY_F10:
1370                                         menu = pan_popup_menu(pw);
1371                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1372                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1373                                         break;
1374                                 case '/':
1375                                         pan_search_toggle_visible(pw, TRUE);
1376                                         break;
1377                                         stop_signal = FALSE;
1378                                         break;
1379                                 }
1380                         }
1381                 }
1382         if (!stop_signal && is_help_key(event))
1383                 {
1384                 help_window_show("GuideOtherWindowsPanView.html");
1385                 stop_signal = TRUE;
1386                 }
1387
1388         return stop_signal;
1389 }
1390
1391 /*
1392  *-----------------------------------------------------------------------------
1393  * info popup
1394  *-----------------------------------------------------------------------------
1395  */
1396
1397 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1398 {
1399         GList *exif_list;
1400         gchar *text;
1401         gchar *title;
1402         gchar *key;
1403
1404         if (!fd) return;
1405
1406         exif_list = bar_pane_exif_list();
1407         while (exif_list)
1408                 {
1409                 title = exif_list->data;
1410                 exif_list = exif_list->next;
1411                 key = exif_list->data;
1412                 exif_list = exif_list->next;
1413
1414                 text = metadata_read_string(fd, key, METADATA_FORMATTED);
1415                 if (text && text[0] != '\0')
1416                         {
1417                         pan_text_alignment_add(ta, title, text);
1418                         }
1419
1420                 g_free(text);
1421                 }
1422
1423         string_list_free(exif_list);
1424 }
1425
1426
1427 void pan_info_update(PanWindow *pw, PanItem *pi)
1428 {
1429         PanTextAlignment *ta;
1430         PanItem *pbox;
1431         PanItem *p;
1432         gchar *buf;
1433         gint x1, y1, x2, y2, x3, y3;
1434         gint x, y, w, h;
1435
1436         if (pw->click_pi == pi) return;
1437         if (pi && !pi->fd) pi = NULL;
1438
1439         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1440         pw->click_pi = pi;
1441
1442         if (!pi) return;
1443
1444         DEBUG_1("info set to %s", pi->fd->path);
1445
1446         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1447                                 PAN_POPUP_BORDER,
1448                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1449                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1450         pan_item_set_key(pbox, "info");
1451
1452         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1453                 {
1454                 w = gdk_pixbuf_get_width(pi->pixbuf);
1455                 h = gdk_pixbuf_get_height(pi->pixbuf);
1456
1457                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1458                 y1 = pi->y + (pi->height - h) / 2 + 8;
1459                 }
1460         else
1461                 {
1462                 x1 = pi->x + pi->width - 8;
1463                 y1 = pi->y + 8;
1464                 }
1465
1466         x2 = pbox->x + 1;
1467         y2 = pbox->y + 36;
1468         x3 = pbox->x + 1;
1469         y3 = pbox->y + 12;
1470         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1471                            &x, &y, &w, &h);
1472
1473         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1474                              x1, y1, x2, y2, x3, y3,
1475                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1476         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1477         pan_item_set_key(p, "info");
1478         pan_item_added(pw, p);
1479
1480         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1481
1482         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1483         buf = remove_level_from_path(pi->fd->path);
1484         pan_text_alignment_add(ta, _("Location:"), buf);
1485         g_free(buf);
1486         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1487         buf = text_from_size(pi->fd->size);
1488         pan_text_alignment_add(ta, _("Size:"), buf);
1489         g_free(buf);
1490
1491         if (pw->info_includes_exif)
1492                 {
1493                 pan_info_add_exif(ta, pi->fd);
1494                 }
1495
1496         pan_text_alignment_calc(ta, pbox);
1497         pan_text_alignment_free(ta);
1498
1499         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1500         pan_item_added(pw, pbox);
1501
1502         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1503                 {
1504                 gint iw, ih;
1505                 if (image_load_dimensions(pi->fd, &iw, &ih))
1506                         {
1507                         gint scale = 25;
1508
1509                         switch (pw->info_image_size)
1510                                 {
1511                                 case PAN_IMAGE_SIZE_10:
1512                                         scale = 10;
1513                                         break;
1514                                 case PAN_IMAGE_SIZE_25:
1515                                         scale = 25;
1516                                         break;
1517                                 case PAN_IMAGE_SIZE_33:
1518                                         scale = 33;
1519                                         break;
1520                                 case PAN_IMAGE_SIZE_50:
1521                                         scale = 50;
1522                                         break;
1523                                 case PAN_IMAGE_SIZE_100:
1524                                         scale = 100;
1525                                         break;
1526                                 }
1527
1528                         iw = MAX(1, iw * scale / 100);
1529                         ih = MAX(1, ih * scale / 100);
1530
1531                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1532                                                 PAN_POPUP_BORDER,
1533                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1534                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1535                         pan_item_set_key(pbox, "info");
1536
1537                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1538                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1539                         pan_item_set_key(p, "info");
1540                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1541
1542                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1543                         pan_item_added(pw, pbox);
1544                         }
1545                 }
1546
1547         pan_layout_resize(pw);
1548 }
1549
1550
1551 /*
1552  *-----------------------------------------------------------------------------
1553  * main window
1554  *-----------------------------------------------------------------------------
1555  */
1556
1557 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1558 {
1559         PanWindow *pw = data;
1560         PanItem *pi = NULL;
1561         GtkWidget *menu;
1562         gint rx, ry;
1563
1564         rx = ry = 0;
1565         if (pr->scale)
1566                 {
1567                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1568                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1569                 }
1570
1571         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1572         if (pi && event->button == MOUSE_BUTTON_LEFT)
1573                 {
1574                 pan_info_update(pw, NULL);
1575                 return;
1576                 }
1577
1578         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1579                                     rx, ry, NULL);
1580
1581         switch (event->button)
1582                 {
1583                 case MOUSE_BUTTON_LEFT:
1584                         pan_info_update(pw, pi);
1585
1586                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1587                                 {
1588                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1589                                 pan_calendar_update(pw, pi);
1590                                 }
1591                         break;
1592                 case MOUSE_BUTTON_MIDDLE:
1593                         break;
1594                 case MOUSE_BUTTON_RIGHT:
1595                         pan_info_update(pw, pi);
1596                         menu = pan_popup_menu(pw);
1597                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1598                         break;
1599                 default:
1600                         break;
1601                 }
1602 }
1603
1604 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
1605 {
1606         gint w, h;
1607
1608         w = pr->vis_width;
1609         h = pr->vis_height;
1610
1611         if (!(event->state & GDK_SHIFT_MASK))
1612                 {
1613                 w /= 3;
1614                 h /= 3;
1615                 }
1616
1617         if (event->state & GDK_CONTROL_MASK)
1618                 {
1619                 switch (event->direction)
1620                         {
1621                         case GDK_SCROLL_UP:
1622                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1623                                                                      (gint)event->x, (gint)event->y);
1624                                 break;
1625                         case GDK_SCROLL_DOWN:
1626                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1627                                                                      (gint)event->x, (gint)event->y);
1628                                 break;
1629                         default:
1630                                 break;
1631                         }
1632                 }
1633         else
1634                 {
1635                 switch (event->direction)
1636                         {
1637                         case GDK_SCROLL_UP:
1638                                 pixbuf_renderer_scroll(pr, 0, -h);
1639                                 break;
1640                         case GDK_SCROLL_DOWN:
1641                                 pixbuf_renderer_scroll(pr, 0, h);
1642                                 break;
1643                         case GDK_SCROLL_LEFT:
1644                                 pixbuf_renderer_scroll(pr, -w, 0);
1645                                 break;
1646                         case GDK_SCROLL_RIGHT:
1647                                 pixbuf_renderer_scroll(pr, w, 0);
1648                                 break;
1649                         default:
1650                                 break;
1651                         }
1652                 }
1653 }
1654
1655 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1656 {
1657         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1658                          G_CALLBACK(button_cb), pw);
1659         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1660                          G_CALLBACK(scroll_cb), pw);
1661 }
1662
1663 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
1664 {
1665         PanWindow *pw = data;
1666
1667         pw->fs = NULL;
1668         pw->imd = pw->imd_normal;
1669 }
1670
1671 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1672 {
1673         if (force_off && !pw->fs) return;
1674
1675         if (pw->fs)
1676                 {
1677                 fullscreen_stop(pw->fs);
1678                 }
1679         else
1680                 {
1681                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1682                 pan_image_set_buttons(pw, pw->fs->imd);
1683                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1684                                  G_CALLBACK(pan_window_key_press_cb), pw);
1685
1686                 pw->imd = pw->fs->imd;
1687                 }
1688 }
1689
1690 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
1691 {
1692         PanWindow *pw = data;
1693         gchar *text;
1694
1695         text = image_zoom_get_as_text(pw->imd);
1696         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1697         g_free(text);
1698 }
1699
1700 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1701 {
1702         PanWindow *pw = data;
1703         GtkAdjustment *adj;
1704         GdkRectangle rect;
1705         gint width, height;
1706
1707         if (pr->scale == 0.0) return;
1708
1709         pixbuf_renderer_get_visible_rect(pr, &rect);
1710         pixbuf_renderer_get_image_size(pr, &width, &height);
1711
1712         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1713         gtk_adjustment_set_page_size(adj, rect.width);
1714         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1715         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1716         gtk_adjustment_set_lower(adj, 0.0);
1717         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1718         gtk_adjustment_set_value(adj, (gdouble)rect.x);
1719
1720         pref_signal_block_data(pw->scrollbar_h, pw);
1721         gtk_adjustment_changed(adj);
1722         gtk_adjustment_value_changed(adj);
1723         pref_signal_unblock_data(pw->scrollbar_h, pw);
1724
1725         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1726         gtk_adjustment_set_page_size(adj, rect.height);
1727         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1728         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1729         gtk_adjustment_set_lower(adj, 0.0);
1730         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1731         gtk_adjustment_set_value(adj, (gdouble)rect.y);
1732
1733         pref_signal_block_data(pw->scrollbar_v, pw);
1734         gtk_adjustment_changed(adj);
1735         gtk_adjustment_value_changed(adj);
1736         pref_signal_unblock_data(pw->scrollbar_v, pw);
1737 }
1738
1739 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1740 {
1741         PanWindow *pw = data;
1742         PixbufRenderer *pr;
1743         gint x;
1744
1745         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1746
1747         if (!pr->scale) return;
1748
1749         x = (gint)gtk_range_get_value(range);
1750
1751         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
1752 }
1753
1754 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1755 {
1756         PanWindow *pw = data;
1757         PixbufRenderer *pr;
1758         gint y;
1759
1760         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1761
1762         if (!pr->scale) return;
1763
1764         y = (gint)gtk_range_get_value(range);
1765
1766         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
1767 }
1768
1769 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1770 {
1771         PanWindow *pw = data;
1772
1773         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1774         pan_layout_update(pw);
1775 }
1776
1777 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1778 {
1779         PanWindow *pw = data;
1780
1781         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1782         pan_layout_update(pw);
1783 }
1784
1785 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1786 {
1787         PanWindow *pw = data;
1788         gchar *path;
1789
1790         path = remove_trailing_slash(new_text);
1791         parse_out_relatives(path);
1792
1793         if (!isdir(path))
1794                 {
1795                 warning_dialog(_("Folder not found"),
1796                                _("The entered path is not a folder"),
1797                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
1798                 }
1799         else
1800                 {
1801                 FileData *dir_fd = file_data_new_dir(path);
1802                 tab_completion_append_to_history(pw->path_entry, path);
1803
1804                 pan_layout_set_fd(pw, dir_fd);
1805                 file_data_unref(dir_fd);
1806                 }
1807
1808         g_free(path);
1809 }
1810
1811 static void pan_window_close(PanWindow *pw)
1812 {
1813         pan_window_list = g_list_remove(pan_window_list, pw);
1814
1815         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1816         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1817         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1818
1819         if (pw->idle_id)
1820                 {
1821                 g_source_remove(pw->idle_id);
1822                 }
1823
1824         pan_fullscreen_toggle(pw, TRUE);
1825         pan_search_ui_destroy(&pw->search_ui);
1826         pan_filter_ui_destroy(&pw->filter_ui);
1827         gtk_widget_destroy(pw->window);
1828
1829         pan_window_items_free(pw);
1830         pan_cache_free(pw);
1831
1832         file_data_unref(pw->dir_fd);
1833
1834         g_free(pw);
1835 }
1836
1837 static gboolean pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
1838 {
1839         PanWindow *pw = data;
1840
1841         pan_window_close(pw);
1842         return TRUE;
1843 }
1844
1845 static void pan_window_new_real(FileData *dir_fd)
1846 {
1847         PanWindow *pw;
1848         GtkWidget *vbox;
1849         GtkWidget *box;
1850         GtkWidget *combo;
1851         GtkWidget *hbox;
1852         GtkWidget *frame;
1853         GtkWidget *table;
1854         GdkGeometry geometry;
1855
1856         pw = g_new0(PanWindow, 1);
1857
1858         pw->dir_fd = file_data_ref(dir_fd);
1859         pw->layout = PAN_LAYOUT_TIMELINE;
1860         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1861         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1862         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1863
1864         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1865                 {
1866                 pw->exif_date_enable = FALSE;
1867                 }
1868         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1869                 {
1870                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1871                 }
1872         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1873                 {
1874                 pw->info_includes_exif = TRUE;
1875                 }
1876
1877         pw->ignore_symlinks = TRUE;
1878
1879         pw->idle_id = 0;
1880
1881         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
1882         DEBUG_NAME(pw->window);
1883
1884         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1885         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1886         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
1887
1888         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1889         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1890
1891         vbox = gtk_vbox_new(FALSE, 0);
1892         DEBUG_NAME(vbox);
1893         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1894         gtk_widget_show(vbox);
1895
1896         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1897
1898         pref_spacer(box, 0);
1899         pref_label_new(box, _("Location:"));
1900         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1901                                                 pan_window_entry_activate_cb, pw);
1902         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1903         gtk_widget_show(combo);
1904
1905         combo = gtk_combo_box_text_new();
1906         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1907         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1908         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1909         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1910         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1911
1912         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1913         g_signal_connect(G_OBJECT(combo), "changed",
1914                          G_CALLBACK(pan_window_layout_change_cb), pw);
1915         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1916         gtk_widget_show(combo);
1917
1918         combo = gtk_combo_box_text_new();
1919         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1920         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1921         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1922         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1923         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1924         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1925         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1926         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1927         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1928         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1929
1930         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1931         g_signal_connect(G_OBJECT(combo), "changed",
1932                          G_CALLBACK(pan_window_layout_size_cb), pw);
1933         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1934         gtk_widget_show(combo);
1935
1936         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1937         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
1938         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
1939
1940         /** @FIXME pan view does not work correctly when renderer-clutter()
1941          * is used.
1942          */
1943         gint temp = options->image.use_clutter_renderer;
1944         options->image.use_clutter_renderer = FALSE;
1945         pw->imd = image_new(TRUE);
1946         options->image.use_clutter_renderer = temp;
1947
1948         pw->imd_normal = pw->imd;
1949
1950         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1951                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1952         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1953                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1954
1955         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
1956                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
1957         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1958
1959         pan_window_dnd_init(pw);
1960
1961         pan_image_set_buttons(pw, pw->imd);
1962
1963         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
1964         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1965                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1966         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
1967                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
1968         gtk_widget_show(pw->scrollbar_h);
1969
1970         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
1971         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1972                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1973         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
1974                          0, GTK_FILL | GTK_EXPAND, 0, 0);
1975         gtk_widget_show(pw->scrollbar_v);
1976
1977         /* find bar */
1978
1979         pw->search_ui = pan_search_ui_new(pw);
1980         gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1981
1982     /* filter bar */
1983     pw->filter_ui = pan_filter_ui_new(pw);
1984     gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1985
1986         /* status bar */
1987
1988         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1989
1990         frame = gtk_frame_new(NULL);
1991         DEBUG_NAME(frame);
1992         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1993         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1994         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1995         gtk_widget_show(frame);
1996
1997         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
1998         gtk_container_add(GTK_CONTAINER(frame), hbox);
1999         gtk_widget_show(hbox);
2000
2001         pref_spacer(hbox, 0);
2002         pw->label_message = pref_label_new(hbox, "");
2003
2004         frame = gtk_frame_new(NULL);
2005         DEBUG_NAME(frame);
2006         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
2007         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
2008         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
2009         gtk_widget_show(frame);
2010
2011         pw->label_zoom = gtk_label_new("");
2012         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
2013         gtk_widget_show(pw->label_zoom);
2014
2015         // Add the "Find" button to the status bar area.
2016         gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
2017         gtk_widget_show(pw->search_ui->search_button);
2018
2019         // Add the "Filter" button to the status bar area.
2020         gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
2021         gtk_widget_show(pw->filter_ui->filter_button);
2022
2023         g_signal_connect(G_OBJECT(pw->window), "delete_event",
2024                          G_CALLBACK(pan_window_delete_cb), pw);
2025         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
2026                          G_CALLBACK(pan_window_key_press_cb), pw);
2027
2028         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
2029
2030         pan_layout_update(pw);
2031
2032         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
2033         gtk_widget_show(pw->window);
2034
2035         pan_window_list = g_list_append(pan_window_list, pw);
2036 }
2037
2038 /*
2039  *-----------------------------------------------------------------------------
2040  * performance warnings
2041  *-----------------------------------------------------------------------------
2042  */
2043
2044 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
2045 {
2046         FileData *dir_fd = data;
2047
2048         generic_dialog_close(gd);
2049
2050         pan_window_new_real(dir_fd);
2051         file_data_unref(dir_fd);
2052 }
2053
2054 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
2055 {
2056         gboolean hide_dlg;
2057
2058         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
2059         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
2060 }
2061
2062 static gboolean pan_warning(FileData *dir_fd)
2063 {
2064         GenericDialog *gd;
2065         GtkWidget *box;
2066         GtkWidget *group;
2067         GtkWidget *button;
2068         GtkWidget *ct_button;
2069         gboolean hide_dlg;
2070
2071         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
2072                 {
2073                 pan_warning_folder(dir_fd->path, NULL);
2074                 return TRUE;
2075                 }
2076
2077         if (options->thumbnails.enable_caching &&
2078             options->thumbnails.spec_standard) return FALSE;
2079
2080         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
2081         if (hide_dlg) return FALSE;
2082
2083         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", NULL, FALSE,
2084                                 NULL, NULL);
2085         gd->data = file_data_ref(dir_fd);
2086         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
2087                                   pan_warning_ok_cb, TRUE);
2088
2089         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
2090                                          _("Pan view performance may be poor."),
2091                                          _("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);
2092
2093         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2094         pref_spacer(group, PREF_PAD_INDENT);
2095         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2096
2097         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2098                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2099         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2100                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2101         pref_checkbox_link_sensitivity(ct_button, button);
2102
2103         pref_line(box, 0);
2104
2105         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2106                           G_CALLBACK(pan_warning_hide_cb), NULL);
2107
2108         gtk_widget_show(gd->dialog);
2109
2110         return TRUE;
2111 }
2112
2113
2114 /*
2115  *-----------------------------------------------------------------------------
2116  * entry point
2117  *-----------------------------------------------------------------------------
2118  */
2119
2120 void pan_window_new(FileData *dir_fd)
2121 {
2122         if (pan_warning(dir_fd)) return;
2123
2124         pan_window_new_real(dir_fd);
2125 }
2126
2127
2128 /*
2129  *-----------------------------------------------------------------------------
2130  * menus
2131  *-----------------------------------------------------------------------------
2132  */
2133
2134 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2135
2136
2137 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2138 {
2139         PanWindow *pw = data;
2140         FileData *fd;
2141
2142         fd = pan_menu_click_fd(pw);
2143         if (fd)
2144                 {
2145                 pan_fullscreen_toggle(pw, TRUE);
2146                 view_window_new(fd);
2147                 }
2148 }
2149
2150 static void pan_go_to_original_cb(GtkWidget *widget, gpointer data)
2151 {
2152         LayoutWindow *lw = NULL;
2153         PanWindow *pw = data;
2154         FileData *fd;
2155
2156         if (!layout_valid(&lw)) return;
2157
2158         fd = pan_menu_click_fd(pw);
2159         if (fd)
2160                 {
2161                 layout_set_fd(lw, fd);
2162                 }
2163 }
2164
2165 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2166 {
2167         PanWindow *pw;
2168         FileData *fd;
2169         const gchar *key = data;
2170
2171         pw = submenu_item_get_data(widget);
2172         if (!pw) return;
2173
2174         fd = pan_menu_click_fd(pw);
2175         if (fd)
2176                 {
2177                 if (!editor_window_flag_set(key))
2178                         {
2179                         pan_fullscreen_toggle(pw, TRUE);
2180                         }
2181                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2182                 }
2183 }
2184
2185 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2186 {
2187         PanWindow *pw = data;
2188
2189         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2190 }
2191
2192 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2193 {
2194         PanWindow *pw = data;
2195
2196         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2197 }
2198
2199 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2200 {
2201         PanWindow *pw = data;
2202
2203         image_zoom_set(pw->imd, 1.0);
2204 }
2205
2206 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2207 {
2208         PanWindow *pw = data;
2209         FileData *fd;
2210
2211         fd = pan_menu_click_fd(pw);
2212         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2213 }
2214
2215 static void pan_move_cb(GtkWidget *widget, gpointer data)
2216 {
2217         PanWindow *pw = data;
2218         FileData *fd;
2219
2220         fd = pan_menu_click_fd(pw);
2221         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2222 }
2223
2224 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2225 {
2226         PanWindow *pw = data;
2227         FileData *fd;
2228
2229         fd = pan_menu_click_fd(pw);
2230         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2231 }
2232
2233 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2234 {
2235         PanWindow *pw = data;
2236         FileData *fd;
2237
2238         fd = pan_menu_click_fd(pw);
2239         if (fd)
2240                 {
2241                 options->file_ops.safe_delete_enable = FALSE;
2242                 file_util_delete(fd, NULL, pw->imd->widget);
2243                 }
2244 }
2245
2246 static void pan_move_to_trash_cb(GtkWidget *widget, gpointer data)
2247 {
2248         PanWindow *pw = data;
2249         FileData *fd;
2250
2251         fd = pan_menu_click_fd(pw);
2252         if (fd)
2253                 {
2254                 options->file_ops.safe_delete_enable = TRUE;
2255                 file_util_delete(fd, NULL, pw->imd->widget);
2256                 }
2257 }
2258
2259 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2260 {
2261         PanWindow *pw = data;
2262         FileData *fd;
2263
2264         fd = pan_menu_click_fd(pw);
2265         if (fd) file_util_copy_path_to_clipboard(fd, TRUE);
2266 }
2267
2268 static void pan_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
2269 {
2270         PanWindow *pw = data;
2271         FileData *fd;
2272
2273         fd = pan_menu_click_fd(pw);
2274         if (fd) file_util_copy_path_to_clipboard(fd, FALSE);
2275 }
2276
2277 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2278 {
2279         PanWindow *pw = data;
2280
2281         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2282         pan_layout_update(pw);
2283 }
2284
2285 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2286 {
2287         PanWindow *pw = data;
2288
2289         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2290         /** @FIXME sync info now */
2291 }
2292
2293 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2294 {
2295         PanWindow *pw = data;
2296
2297         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2298         /** @FIXME sync info now */
2299 }
2300
2301 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2302 {
2303         PanWindow *pw = data;
2304
2305         pan_fullscreen_toggle(pw, FALSE);
2306 }
2307
2308 static void pan_close_cb(GtkWidget *widget, gpointer data)
2309 {
2310         PanWindow *pw = data;
2311
2312         pan_window_close(pw);
2313 }
2314
2315 static void pan_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
2316 {
2317         GList *editmenu_fd_list = data;
2318
2319         filelist_free(editmenu_fd_list);
2320 }
2321
2322 static void pan_play_cb(GtkWidget *widget, gpointer data)
2323 {
2324         PanWindow *pw = data;
2325
2326         start_editor_from_file(options->image_l_click_video_editor, pw->click_pi->fd);
2327 }
2328
2329 static GList *pan_view_get_fd_list(PanWindow *pw)
2330 {
2331         GList *list = NULL;
2332         FileData *fd = pan_menu_click_fd(pw);
2333
2334         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2335
2336         return list;
2337 }
2338
2339 /**
2340  * @brief Add file selection list to a collection
2341  * @param[in] widget
2342  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
2343  *
2344  *
2345  */
2346 static void pan_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
2347 {
2348         PanWindow *pw;
2349         GList *selection_list = NULL;
2350
2351         pw = submenu_item_get_data(widget);
2352         selection_list = g_list_append(selection_list, pan_menu_click_fd(pw));
2353         pop_menu_collections(selection_list, data);
2354
2355         filelist_free(selection_list);
2356 }
2357
2358 static GtkWidget *pan_popup_menu(PanWindow *pw)
2359 {
2360         GtkWidget *menu;
2361         GtkWidget *submenu;
2362         GtkWidget *item;
2363         gboolean active, video;
2364         GList *editmenu_fd_list;
2365         GtkAccelGroup *accel_group;
2366
2367         active = (pw->click_pi != NULL);
2368         video = (active && pw->click_pi->fd && pw->click_pi->fd->format_class == FORMAT_CLASS_VIDEO);
2369
2370         menu = popup_menu_short_lived();
2371         accel_group = gtk_accel_group_new();
2372         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
2373
2374         g_object_set_data(G_OBJECT(menu), "window_keys", pan_view_window_keys);
2375         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
2376
2377         menu_item_add_stock_sensitive(menu, _("_Play"), GTK_STOCK_MEDIA_PLAY, video,
2378                             G_CALLBACK(pan_play_cb), pw);
2379         menu_item_add_divider(menu);
2380
2381         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2382                             G_CALLBACK(pan_zoom_in_cb), pw);
2383         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2384                             G_CALLBACK(pan_zoom_out_cb), pw);
2385         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2386                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2387         menu_item_add_divider(menu);
2388
2389         editmenu_fd_list = pan_view_get_fd_list(pw);
2390         g_signal_connect(G_OBJECT(menu), "destroy",
2391                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2392
2393         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2394         gtk_widget_set_sensitive(item, active);
2395
2396         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2397                                       G_CALLBACK(pan_new_window_cb), pw);
2398         menu_item_add_stock(menu, _("Go to original"), GTK_STOCK_FIND,
2399                         G_CALLBACK(pan_go_to_original_cb), pw);
2400
2401         menu_item_add_divider(menu);
2402         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2403                                       G_CALLBACK(pan_copy_cb), pw);
2404         menu_item_add_sensitive(menu, _("_Move..."), active,
2405                                 G_CALLBACK(pan_move_cb), pw);
2406         menu_item_add_sensitive(menu, _("_Rename..."), active,
2407                                 G_CALLBACK(pan_rename_cb), pw);
2408         menu_item_add_sensitive(menu, _("_Copy path to clipboard"), active,
2409                                 G_CALLBACK(pan_copy_path_cb), pw);
2410         menu_item_add_sensitive(menu, _("_Copy path unquoted to clipboard"), active,
2411                                 G_CALLBACK(pan_copy_path_unquoted_cb), pw);
2412
2413         menu_item_add_divider(menu);
2414         menu_item_add_stock_sensitive(menu,
2415                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
2416                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH, active,
2417                                                 G_CALLBACK(pan_move_to_trash_cb), pw);
2418         menu_item_add_stock_sensitive(menu,
2419                                 options->file_ops.confirm_delete ? _("_Delete...") :
2420                                         _("_Delete"), GTK_STOCK_DELETE, active,
2421                                                 G_CALLBACK(pan_delete_cb), pw);
2422
2423         menu_item_add_divider(menu);
2424
2425         submenu = submenu_add_collections(menu, &item,
2426                                 G_CALLBACK(pan_pop_menu_collections_cb), pw);
2427         gtk_widget_set_sensitive(item, TRUE);
2428         menu_item_add_divider(menu);
2429
2430
2431         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2432                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2433         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2434
2435         menu_item_add_divider(menu);
2436
2437         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2438                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2439         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2440         submenu = gtk_menu_new();
2441         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2442
2443         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2444                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2445         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2446
2447         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2448                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2449         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2450
2451         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2452                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2453         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2454
2455         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2456                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2457         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2458
2459         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2460                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2461         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2462
2463         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2464                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2465         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2466
2467
2468
2469         menu_item_add_divider(menu);
2470
2471         if (pw->fs)
2472                 {
2473                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2474                 }
2475         else
2476                 {
2477                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2478                 }
2479
2480         menu_item_add_divider(menu);
2481         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2482
2483         return menu;
2484 }
2485
2486
2487 /*
2488  *-----------------------------------------------------------------------------
2489  * drag and drop
2490  *-----------------------------------------------------------------------------
2491  */
2492
2493 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2494                                     gint x, gint y,
2495                                     GtkSelectionData *selection_data, guint info,
2496                                     guint time, gpointer data)
2497 {
2498         PanWindow *pw = data;
2499
2500         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2501
2502         if (info == TARGET_URI_LIST)
2503                 {
2504                 GList *list;
2505
2506                 list = uri_filelist_from_gtk_selection_data(selection_data);
2507                 if (list && isdir(((FileData *)list->data)->path))
2508                         {
2509                         FileData *fd = list->data;
2510
2511                         pan_layout_set_fd(pw, fd);
2512                         }
2513
2514                 filelist_free(list);
2515                 }
2516 }
2517
2518 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2519                                     GtkSelectionData *selection_data, guint info,
2520                                     guint time, gpointer data)
2521 {
2522         PanWindow *pw = data;
2523         FileData *fd;
2524
2525         fd = pan_menu_click_fd(pw);
2526         if (fd)
2527                 {
2528                 GList *list;
2529
2530                 list = g_list_append(NULL, fd);
2531                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2532                 g_list_free(list);
2533                 }
2534         else
2535                 {
2536                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2537                                        8, NULL, 0);
2538                 }
2539 }
2540
2541 static void pan_window_dnd_init(PanWindow *pw)
2542 {
2543         GtkWidget *widget;
2544
2545         widget = pw->imd->pr;
2546
2547         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2548                             dnd_file_drag_types, dnd_file_drag_types_count,
2549                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2550         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2551                          G_CALLBACK(pan_window_set_dnd_data), pw);
2552
2553         gtk_drag_dest_set(widget,
2554                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2555                           dnd_file_drop_types, dnd_file_drop_types_count,
2556                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2557         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2558                          G_CALLBACK(pan_window_get_dnd_data), pw);
2559 }
2560
2561 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */