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 "menu.h"
  33 #include "metadata.h"
  34 #include "misc.h"
  35 #include "pan-calendar.h"
  36 #include "pan-folder.h"
  37 #include "pan-grid.h"
  38 #include "pan-item.h"
  39 #include "pan-timeline.h"
  40 #include "pan-util.h"
  41 #include "pan-view-filter.h"
  42 #include "pan-view-search.h"
  43 #include "pixbuf-renderer.h"
  44 #include "pixbuf_util.h"
  45 #include "thumb.h"
  46 #include "ui_fileops.h"
  47 #include "ui_menu.h"
  48 #include "ui_misc.h"
  49 #include "ui_tabcomp.h"
  50 #include "ui_utildlg.h"
  51 #include "uri_utils.h"
  52 #include "utilops.h"
  53 #include "window.h"
  54
  55 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  56
  57 #include <math.h>
  58
  59
  60 #define PAN_WINDOW_DEFAULT_WIDTH 720
  61 #define PAN_WINDOW_DEFAULT_HEIGHT 500
  62
  63 #define PAN_TILE_SIZE 512
  64
  65 #define ZOOM_INCREMENT 1.0
  66 #define ZOOM_LABEL_WIDTH 64
  67
  68
  69 #define PAN_PREF_GROUP          "pan_view_options"
  70 #define PAN_PREF_HIDE_WARNING   "hide_performance_warning"
  71 #define PAN_PREF_EXIF_PAN_DATE  "use_exif_date"
  72 #define PAN_PREF_INFO_IMAGE     "info_image_size"
  73 #define PAN_PREF_INFO_EXIF      "info_includes_exif"
  74
  75
  76 static GList *pan_window_list = NULL;
  77
  78
  79 static void pan_layout_update_idle(PanWindow *pw);
  80
  81 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off);
  82
  83 static void pan_window_close(PanWindow *pw);
  84
  85 static GtkWidget *pan_popup_menu(PanWindow *pw);
  86
  87 static void pan_window_dnd_init(PanWindow *pw);
  88
  89
  90 /*
  91  *-----------------------------------------------------------------------------
  92  * the image/thumb loader queue
  93  *-----------------------------------------------------------------------------
  94  */
  95
  96 static gboolean pan_queue_step(PanWindow *pw);
  97
  98
  99 static void pan_queue_thumb_done_cb(ThumbLoader *tl, gpointer data)
 100 {
 101         PanWindow *pw = data;
 102
 103         if (pw->queue_pi)
 104                 {
 105                 PanItem *pi;
 106                 gint rc;
 107
 108                 pi = pw->queue_pi;
 109                 pw->queue_pi = NULL;
 110
 111                 pi->queued = FALSE;
 112
 113                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 114                 pi->pixbuf = thumb_loader_get_pixbuf(tl);
 115
 116                 rc = pi->refcount;
 117                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 118                 pi->refcount = rc;
 119                 }
 120
 121         thumb_loader_free(pw->tl);
 122         pw->tl = NULL;
 123
 124         while (pan_queue_step(pw));
 125 }
 126
 127 static void pan_queue_image_done_cb(ImageLoader *il, gpointer data)
 128 {
 129         PanWindow *pw = data;
 130
 131         if (pw->queue_pi)
 132                 {
 133                 PanItem *pi;
 134                 gint rc;
 135
 136                 pi = pw->queue_pi;
 137                 pw->queue_pi = NULL;
 138
 139                 pi->queued = FALSE;
 140
 141                 if (pi->pixbuf) g_object_unref(pi->pixbuf);
 142                 pi->pixbuf = image_loader_get_pixbuf(pw->il);
 143                 if (pi->pixbuf) g_object_ref(pi->pixbuf);
 144
 145                 if (pi->pixbuf && pw->size != PAN_IMAGE_SIZE_100 &&
 146                     (gdk_pixbuf_get_width(pi->pixbuf) > pi->width ||
 147                      gdk_pixbuf_get_height(pi->pixbuf) > pi->height))
 148                         {
 149                         GdkPixbuf *tmp;
 150
 151                         tmp = pi->pixbuf;
 152                         pi->pixbuf = gdk_pixbuf_scale_simple(tmp, pi->width, pi->height,
 153                                                              (GdkInterpType)options->image.zoom_quality);
 154                         g_object_unref(tmp);
 155                         }
 156
 157                 rc = pi->refcount;
 158                 image_area_changed(pw->imd, pi->x, pi->y, pi->width, pi->height);
 159                 pi->refcount = rc;
 160                 }
 161
 162         image_loader_free(pw->il);
 163         pw->il = NULL;
 164
 165         while (pan_queue_step(pw));
 166 }
 167
 168 static gboolean pan_queue_step(PanWindow *pw)
 169 {
 170         PanItem *pi;
 171
 172         if (!pw->queue) return FALSE;
 173
 174         pi = pw->queue->data;
 175         pw->queue = g_list_remove(pw->queue, pi);
 176         pw->queue_pi = pi;
 177
 178         if (!pw->queue_pi->fd)
 179                 {
 180                 pw->queue_pi->queued = FALSE;
 181                 pw->queue_pi = NULL;
 182                 return TRUE;
 183                 }
 184
 185         image_loader_free(pw->il);
 186         pw->il = NULL;
 187         thumb_loader_free(pw->tl);
 188         pw->tl = NULL;
 189
 190         if (pi->type == PAN_ITEM_IMAGE)
 191                 {
 192                 pw->il = image_loader_new(pi->fd);
 193
 194                 if (pw->size != PAN_IMAGE_SIZE_100)
 195                         {
 196                         image_loader_set_requested_size(pw->il, pi->width, pi->height);
 197                         }
 198
 199                 g_signal_connect(G_OBJECT(pw->il), "error", (GCallback)pan_queue_image_done_cb, pw);
 200                 g_signal_connect(G_OBJECT(pw->il), "done", (GCallback)pan_queue_image_done_cb, pw);
 201
 202                 if (image_loader_start(pw->il)) return FALSE;
 203
 204                 image_loader_free(pw->il);
 205                 pw->il = NULL;
 206                 }
 207         else if (pi->type == PAN_ITEM_THUMB)
 208                 {
 209                 pw->tl = thumb_loader_new(PAN_THUMB_SIZE, PAN_THUMB_SIZE);
 210
 211                 if (!pw->tl->standard_loader)
 212                         {
 213                         /* The classic loader will recreate a thumbnail any time we
 214                          * request a different size than what exists. This view will
 215                          * almost never use the user configured sizes so disable cache.
 216                          */
 217                         thumb_loader_set_cache(pw->tl, FALSE, FALSE, FALSE);
 218                         }
 219
 220                 thumb_loader_set_callbacks(pw->tl,
 221                                            pan_queue_thumb_done_cb,
 222                                            pan_queue_thumb_done_cb,
 223                                            NULL, pw);
 224
 225                 if (thumb_loader_start(pw->tl, pi->fd)) return FALSE;
 226
 227                 thumb_loader_free(pw->tl);
 228                 pw->tl = NULL;
 229                 }
 230
 231         pw->queue_pi->queued = FALSE;
 232         pw->queue_pi = NULL;
 233         return TRUE;
 234 }
 235
 236 static void pan_queue_add(PanWindow *pw, PanItem *pi)
 237 {
 238         if (!pi || pi->queued || pi->pixbuf) return;
 239         if (pw->size <= PAN_IMAGE_SIZE_THUMB_NONE &&
 240             (!pi->key || strcmp(pi->key, "info") != 0) )
 241                 {
 242                 return;
 243                 }
 244
 245         pi->queued = TRUE;
 246         pw->queue = g_list_prepend(pw->queue, pi);
 247
 248         if (!pw->tl && !pw->il) while (pan_queue_step(pw));
 249 }
 250
 251
 252 /*
 253  *-----------------------------------------------------------------------------
 254  * tile request/dispose handlers
 255  *-----------------------------------------------------------------------------
 256  */
 257
 258 static gboolean pan_window_request_tile_cb(PixbufRenderer *pr, gint x, gint y,
 259                                            gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 260 {
 261         PanWindow *pw = data;
 262         GList *list;
 263         GList *work;
 264         gint i;
 265
 266         pixbuf_set_rect_fill(pixbuf,
 267                              0, 0, width, height,
 268                              PAN_BACKGROUND_COLOR, 255);
 269
 270         for (i = (x / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < x + width; i += PAN_GRID_SIZE)
 271                 {
 272                 gint rx, ry, rw, rh;
 273
 274                 if (util_clip_region(x, y, width, height,
 275                                      i, y, 1, height,
 276                                      &rx, &ry, &rw, &rh))
 277                         {
 278                         pixbuf_draw_rect_fill(pixbuf,
 279                                               rx - x, ry - y, rw, rh,
 280                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 281                         }
 282                 }
 283         for (i = (y / PAN_GRID_SIZE) * PAN_GRID_SIZE; i < y + height; i += PAN_GRID_SIZE)
 284                 {
 285                 gint rx, ry, rw, rh;
 286
 287                 if (util_clip_region(x, y, width, height,
 288                                      x, i, width, 1,
 289                                      &rx, &ry, &rw, &rh))
 290                         {
 291                         pixbuf_draw_rect_fill(pixbuf,
 292                                               rx - x, ry - y, rw, rh,
 293                                               PAN_GRID_COLOR, PAN_GRID_ALPHA);
 294                         }
 295                 }
 296
 297         list = pan_layout_intersect(pw, x, y, width, height);
 298         work = list;
 299         while (work)
 300                 {
 301                 PanItem *pi;
 302                 gboolean queue = FALSE;
 303
 304                 pi = work->data;
 305                 work = work->next;
 306
 307                 pi->refcount++;
 308
 309                 switch (pi->type)
 310                         {
 311                         case PAN_ITEM_BOX:
 312                                 queue = pan_item_box_draw(pw, pi, pixbuf, pr, x, y, width, height);
 313                                 break;
 314                         case PAN_ITEM_TRIANGLE:
 315                                 queue = pan_item_tri_draw(pw, pi, pixbuf, pr, x, y, width, height);
 316                                 break;
 317                         case PAN_ITEM_TEXT:
 318                                 queue = pan_item_text_draw(pw, pi, pixbuf, pr, x, y, width, height);
 319                                 break;
 320                         case PAN_ITEM_THUMB:
 321                                 queue = pan_item_thumb_draw(pw, pi, pixbuf, pr, x, y, width, height);
 322                                 break;
 323                         case PAN_ITEM_IMAGE:
 324                                 queue = pan_item_image_draw(pw, pi, pixbuf, pr, x, y, width, height);
 325                                 break;
 326                         case PAN_ITEM_NONE:
 327                         default:
 328                                 break;
 329                         }
 330
 331                 if (queue) pan_queue_add(pw, pi);
 332                 }
 333
 334         g_list_free(list);
 335
 336         return TRUE;
 337 }
 338
 339 static void pan_window_dispose_tile_cb(PixbufRenderer *pr, gint x, gint y,
 340                                        gint width, gint height, GdkPixbuf *pixbuf, gpointer data)
 341 {
 342         PanWindow *pw = data;
 343         GList *list;
 344         GList *work;
 345
 346         list = pan_layout_intersect(pw, x, y, width, height);
 347         work = list;
 348         while (work)
 349                 {
 350                 PanItem *pi;
 351
 352                 pi = work->data;
 353                 work = work->next;
 354
 355                 if (pi->refcount > 0)
 356                         {
 357                         pi->refcount--;
 358
 359                         if (pi->refcount == 0)
 360                                 {
 361                                 if (pi->queued)
 362                                         {
 363                                         pw->queue = g_list_remove(pw->queue, pi);
 364                                         pi->queued = FALSE;
 365                                         }
 366                                 if (pw->queue_pi == pi) pw->queue_pi = NULL;
 367                                 if (pi->pixbuf)
 368                                         {
 369                                         g_object_unref(pi->pixbuf);
 370                                         pi->pixbuf = NULL;
 371                                         }
 372                                 }
 373                         }
 374                 }
 375
 376         g_list_free(list);
 377 }
 378
 379
 380 /*
 381  *-----------------------------------------------------------------------------
 382  * misc
 383  *-----------------------------------------------------------------------------
 384  */
 385
 386 static void pan_window_message(PanWindow *pw, const gchar *text)
 387 {
 388         GList *work;
 389         gint count = 0;
 390         gint64 size = 0;
 391         gchar *ss;
 392         gchar *buf;
 393
 394         if (text)
 395                 {
 396                 gtk_label_set_text(GTK_LABEL(pw->label_message), text);
 397                 return;
 398                 }
 399
 400         work = pw->list_static;
 401         if (pw->layout == PAN_LAYOUT_CALENDAR)
 402                 {
 403                 while (work)
 404                         {
 405                         PanItem *pi;
 406
 407                         pi = work->data;
 408                         work = work->next;
 409
 410                         if (pi->fd &&
 411                             pi->type == PAN_ITEM_BOX &&
 412                             pi->key && strcmp(pi->key, "dot") == 0)
 413                                 {
 414                                 size += pi->fd->size;
 415                                 count++;
 416                                 }
 417                         }
 418                 }
 419         else
 420                 {
 421                 while (work)
 422                         {
 423                         PanItem *pi;
 424
 425                         pi = work->data;
 426                         work = work->next;
 427
 428                         if (pi->fd &&
 429                             (pi->type == PAN_ITEM_THUMB || pi->type == PAN_ITEM_IMAGE))
 430                                 {
 431                                 size += pi->fd->size;
 432                                 count++;
 433                                 }
 434                         }
 435                 }
 436
 437         ss = text_from_size_abrev(size);
 438         buf = g_strdup_printf(_("%d images, %s"), count, ss);
 439         g_free(ss);
 440         gtk_label_set_text(GTK_LABEL(pw->label_message), buf);
 441         g_free(buf);
 442 }
 443
 444 static void pan_warning_folder(const gchar *path, GtkWidget *parent)
 445 {
 446         gchar *message;
 447
 448         message = g_strdup_printf(_("The pan view does not support the folder \"%s\"."), path);
 449         warning_dialog(_("Folder not supported"), message,
 450                       GTK_STOCK_DIALOG_INFO, parent);
 451         g_free(message);
 452 }
 453
 454 static void pan_window_zoom_limit(PanWindow *pw)
 455 {
 456         gdouble min;
 457
 458         switch (pw->size)
 459                 {
 460                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 461                 case PAN_IMAGE_SIZE_THUMB_NONE:
 462                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 463                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 464 #if 0
 465                         /* easily requires > 512mb ram when window size > 1024x768 and zoom is <= -8 */
 466                         min = -16.0;
 467                         break;
 468 #endif
 469                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 470                         min = -6.0;
 471                         break;
 472                 case PAN_IMAGE_SIZE_10:
 473                 case PAN_IMAGE_SIZE_25:
 474                         min = -4.0;
 475                         break;
 476                 case PAN_IMAGE_SIZE_33:
 477                 case PAN_IMAGE_SIZE_50:
 478                 case PAN_IMAGE_SIZE_100:
 479                 default:
 480                         min = -2.0;
 481                         break;
 482                 }
 483
 484         image_zoom_set_limits(pw->imd, min, 32.0);
 485 }
 486
 487
 488 /*
 489  *-----------------------------------------------------------------------------
 490  * cache
 491  *-----------------------------------------------------------------------------
 492  */
 493
 494 static gint pan_cache_sort_file_cb(gpointer a, gpointer b)
 495 {
 496         PanCacheData *pca = a;
 497         PanCacheData *pcb = b;
 498         return filelist_sort_compare_filedata(pca->fd, pcb->fd);
 499 }
 500 GList *pan_cache_sort(GList *list, SortType method, gboolean ascend)
 501 {
 502         return filelist_sort_full(list, method, ascend, (GCompareFunc) pan_cache_sort_file_cb);
 503 }
 504
 505
 506 static void pan_cache_free(PanWindow *pw)
 507 {
 508         GList *work;
 509
 510         work = pw->cache_list;
 511         while (work)
 512                 {
 513                 PanCacheData *pc;
 514
 515                 pc = work->data;
 516                 work = work->next;
 517
 518                 cache_sim_data_free(pc->cd);
 519                 file_data_unref(pc->fd);
 520                 g_free(pc);
 521                 }
 522
 523         g_list_free(pw->cache_list);
 524         pw->cache_list = NULL;
 525
 526         filelist_free(pw->cache_todo);
 527         pw->cache_todo = NULL;
 528
 529         pw->cache_count = 0;
 530         pw->cache_total = 0;
 531         pw->cache_tick = 0;
 532
 533         cache_loader_free(pw->cache_cl);
 534         pw->cache_cl = NULL;
 535 }
 536
 537 static void pan_cache_fill(PanWindow *pw, FileData *dir_fd)
 538 {
 539         GList *list;
 540
 541         pan_cache_free(pw);
 542
 543         list = pan_list_tree(dir_fd, SORT_NAME, TRUE, pw->ignore_symlinks);
 544         pw->cache_todo = g_list_reverse(list);
 545
 546         pw->cache_total = g_list_length(pw->cache_todo);
 547 }
 548
 549 static void pan_cache_step_done_cb(CacheLoader *cl, gint error, gpointer data)
 550 {
 551         PanWindow *pw = data;
 552
 553         if (pw->cache_list)
 554                 {
 555                 PanCacheData *pc;
 556                 pc = pw->cache_list->data;
 557
 558                 if (!pc->cd)
 559                         {
 560                         pc->cd = cl->cd;
 561                         cl->cd = NULL;
 562                         }
 563                 }
 564
 565         cache_loader_free(cl);
 566         pw->cache_cl = NULL;
 567
 568         pan_layout_update_idle(pw);
 569 }
 570
 571 static gboolean pan_cache_step(PanWindow *pw)
 572 {
 573         FileData *fd;
 574         PanCacheData *pc;
 575         CacheDataType load_mask;
 576
 577         if (!pw->cache_todo) return TRUE;
 578
 579         fd = pw->cache_todo->data;
 580         pw->cache_todo = g_list_remove(pw->cache_todo, fd);
 581
 582         pc = g_new0(PanCacheData, 1);
 583         pc->fd = file_data_ref(fd);
 584
 585         pc->cd = NULL;
 586
 587         pw->cache_list = g_list_prepend(pw->cache_list, pc);
 588
 589         cache_loader_free(pw->cache_cl);
 590
 591         load_mask = CACHE_LOADER_NONE;
 592         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) load_mask |= CACHE_LOADER_DIMENSIONS;
 593         if (pw->exif_date_enable) load_mask |= CACHE_LOADER_DATE;
 594         pw->cache_cl = cache_loader_new(pc->fd, load_mask,
 595                                         pan_cache_step_done_cb, pw);
 596         return (pw->cache_cl == NULL);
 597 }
 598
 599 /* This sync date function is optimized for lists with a common sort */
 600 void pan_cache_sync_date(PanWindow *pw, GList *list)
 601 {
 602         GList *haystack;
 603         GList *work;
 604
 605         haystack = g_list_copy(pw->cache_list);
 606
 607         work = list;
 608         while (work)
 609                 {
 610                 FileData *fd;
 611                 GList *needle;
 612
 613                 fd = work->data;
 614                 work = work->next;
 615
 616                 needle = haystack;
 617                 while (needle)
 618                         {
 619                         PanCacheData *pc;
 620
 621                         pc = needle->data;
 622                         if (pc->fd == fd)
 623                                 {
 624                                 if (pc->cd && pc->cd->have_date && pc->cd->date >= 0)
 625                                         {
 626                                         fd->date = pc->cd->date;
 627                                         }
 628
 629                                 haystack = g_list_delete_link(haystack, needle);
 630                                 needle = NULL;
 631                                 }
 632                         else
 633                                 {
 634                                 needle = needle->next;
 635                                 }
 636                         }
 637                 }
 638
 639         g_list_free(haystack);
 640 }
 641
 642 /*
 643  *-----------------------------------------------------------------------------
 644  * item grid
 645  *-----------------------------------------------------------------------------
 646  */
 647
 648 static void pan_grid_clear(PanWindow *pw)
 649 {
 650         GList *work;
 651
 652         work = pw->list_grid;
 653         while (work)
 654                 {
 655                 PanGrid *pg;
 656
 657                 pg = work->data;
 658                 work = work->next;
 659
 660                 g_list_free(pg->list);
 661                 g_free(pg);
 662                 }
 663
 664         g_list_free(pw->list_grid);
 665         pw->list_grid = NULL;
 666
 667         pw->list = g_list_concat(pw->list, pw->list_static);
 668         pw->list_static = NULL;
 669 }
 670
 671 static void pan_grid_build(PanWindow *pw, gint width, gint height, gint grid_size)
 672 {
 673         GList *work;
 674         gint col, row;
 675         gint cw, ch;
 676         gint l;
 677         gint i, j;
 678
 679         pan_grid_clear(pw);
 680
 681         l = g_list_length(pw->list);
 682
 683         if (l < 1) return;
 684
 685         col = (gint)(sqrt((gdouble)l / grid_size) * width / height + 0.999);
 686         col = CLAMP(col, 1, l / grid_size + 1);
 687         row = (gint)((gdouble)l / grid_size / col);
 688         if (row < 1) row = 1;
 689
 690         /* limit minimum size of grid so that a tile will always fit regardless of position */
 691         cw = MAX((gint)ceil((gdouble)width / col), PAN_TILE_SIZE * 2);
 692         ch = MAX((gint)ceil((gdouble)height / row), PAN_TILE_SIZE * 2);
 693
 694         row = row * 2 - 1;
 695         col = col * 2 - 1;
 696
 697         DEBUG_1("intersect speedup grid is %dx%d, based on %d average per grid", col, row, grid_size);
 698
 699         for (j = 0; j < row; j++)
 700             for (i = 0; i < col; i++)
 701                 {
 702                 if ((i + 1) * cw / 2 < width && (j + 1) * ch / 2 < height)
 703                         {
 704                         PanGrid *pg;
 705
 706                         pg = g_new0(PanGrid, 1);
 707                         pg->x = i * cw / 2;
 708                         pg->y = j * ch / 2;
 709                         pg->w = cw;
 710                         pg->h = ch;
 711
 712                         pw->list_grid = g_list_prepend(pw->list_grid, pg);
 713
 714                         DEBUG_1("grid section: %d,%d (%dx%d)", pg->x, pg->y, pg->w, pg->h);
 715                         }
 716                 }
 717
 718         work = pw->list;
 719         while (work)
 720                 {
 721                 PanItem *pi;
 722                 GList *grid;
 723
 724                 pi = work->data;
 725                 work = work->next;
 726
 727                 grid = pw->list_grid;
 728                 while (grid)
 729                         {
 730                         PanGrid *pg;
 731                         gint rx, ry, rw, rh;
 732
 733                         pg = grid->data;
 734                         grid = grid->next;
 735
 736                         if (util_clip_region(pi->x, pi->y, pi->width, pi->height,
 737                                              pg->x, pg->y, pg->w, pg->h,
 738                                              &rx, &ry, &rw, &rh))
 739                                 {
 740                                 pg->list = g_list_prepend(pg->list, pi);
 741                                 }
 742                         }
 743                 }
 744
 745         work = pw->list_grid;
 746         while (work)
 747                 {
 748                 PanGrid *pg;
 749
 750                 pg = work->data;
 751                 work = work->next;
 752
 753                 pg->list = g_list_reverse(pg->list);
 754                 }
 755
 756         pw->list_static = pw->list;
 757         pw->list = NULL;
 758 }
 759
 760
 761 /*
 762  *-----------------------------------------------------------------------------
 763  * layout state reset
 764  *-----------------------------------------------------------------------------
 765  */
 766
 767 static void pan_window_items_free(PanWindow *pw)
 768 {
 769         GList *work;
 770
 771         pan_grid_clear(pw);
 772
 773         work = pw->list;
 774         while (work)
 775                 {
 776                 PanItem *pi = work->data;
 777                 work = work->next;
 778
 779                 pan_item_free(pi);
 780                 }
 781
 782         g_list_free(pw->list);
 783         pw->list = NULL;
 784
 785         g_list_free(pw->queue);
 786         pw->queue = NULL;
 787         pw->queue_pi = NULL;
 788
 789         image_loader_free(pw->il);
 790         pw->il = NULL;
 791
 792         thumb_loader_free(pw->tl);
 793         pw->tl = NULL;
 794
 795         pw->click_pi = NULL;
 796         pw->search_pi = NULL;
 797 }
 798
 799
 800 /*
 801  *-----------------------------------------------------------------------------
 802  * layout generation, queries, sizing
 803  *-----------------------------------------------------------------------------
 804  */
 805
 806 static void pan_layout_compute(PanWindow *pw, FileData *dir_fd,
 807                                gint *width, gint *height,
 808                                gint *scroll_x, gint *scroll_y)
 809 {
 810         pan_window_items_free(pw);
 811
 812         switch (pw->size)
 813                 {
 814                 case PAN_IMAGE_SIZE_THUMB_DOTS:
 815                         pw->thumb_size = PAN_THUMB_SIZE_DOTS;
 816                         pw->thumb_gap = PAN_THUMB_GAP_DOTS;
 817                         break;
 818                 case PAN_IMAGE_SIZE_THUMB_NONE:
 819                         pw->thumb_size = PAN_THUMB_SIZE_NONE;
 820                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 821                         break;
 822                 case PAN_IMAGE_SIZE_THUMB_SMALL:
 823                         pw->thumb_size = PAN_THUMB_SIZE_SMALL;
 824                         pw->thumb_gap = PAN_THUMB_GAP_SMALL;
 825                         break;
 826                 case PAN_IMAGE_SIZE_THUMB_NORMAL:
 827                 default:
 828                         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
 829                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 830                         break;
 831                 case PAN_IMAGE_SIZE_THUMB_LARGE:
 832                         pw->thumb_size = PAN_THUMB_SIZE_LARGE;
 833                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 834                         break;
 835                 case PAN_IMAGE_SIZE_10:
 836                         pw->image_size = 10;
 837                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 838                         break;
 839                 case PAN_IMAGE_SIZE_25:
 840                         pw->image_size = 25;
 841                         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
 842                         break;
 843                 case PAN_IMAGE_SIZE_33:
 844                         pw->image_size = 33;
 845                         pw->thumb_gap = PAN_THUMB_GAP_LARGE;
 846                         break;
 847                 case PAN_IMAGE_SIZE_50:
 848                         pw->image_size = 50;
 849                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 850                         break;
 851                 case PAN_IMAGE_SIZE_100:
 852                         pw->image_size = 100;
 853                         pw->thumb_gap = PAN_THUMB_GAP_HUGE;
 854                         break;
 855                 }
 856
 857         *width = 0;
 858         *height = 0;
 859         *scroll_x = 0;
 860         *scroll_y = 0;
 861
 862         switch (pw->layout)
 863                 {
 864                 case PAN_LAYOUT_GRID:
 865                 default:
 866                         pan_grid_compute(pw, dir_fd, width, height);
 867                         break;
 868                 case PAN_LAYOUT_FOLDERS_LINEAR:
 869                         pan_folder_tree_compute(pw, dir_fd, width, height);
 870                         break;
 871                 case PAN_LAYOUT_FOLDERS_FLOWER:
 872                         pan_flower_compute(pw, dir_fd, width, height, scroll_x, scroll_y);
 873                         break;
 874                 case PAN_LAYOUT_CALENDAR:
 875                         pan_calendar_compute(pw, dir_fd, width, height);
 876                         break;
 877                 case PAN_LAYOUT_TIMELINE:
 878                         pan_timeline_compute(pw, dir_fd, width, height);
 879                         break;
 880                 }
 881
 882         pan_cache_free(pw);
 883
 884         DEBUG_1("computed %d objects", g_list_length(pw->list));
 885 }
 886
 887 static GList *pan_layout_intersect_l(GList *list, GList *item_list,
 888                                      gint x, gint y, gint width, gint height)
 889 {
 890         GList *work;
 891
 892         work = item_list;
 893         while (work)
 894                 {
 895                 PanItem *pi;
 896                 gint rx, ry, rw, rh;
 897
 898                 pi = work->data;
 899                 work = work->next;
 900
 901                 if (util_clip_region(x, y, width, height,
 902                                      pi->x, pi->y, pi->width, pi->height,
 903                                      &rx, &ry, &rw, &rh))
 904                         {
 905                         list = g_list_prepend(list, pi);
 906                         }
 907                 }
 908
 909         return list;
 910 }
 911
 912 GList *pan_layout_intersect(PanWindow *pw, gint x, gint y, gint width, gint height)
 913 {
 914         GList *list = NULL;
 915         GList *grid;
 916         PanGrid *pg = NULL;
 917
 918         grid = pw->list_grid;
 919         while (grid && !pg)
 920                 {
 921                 pg = grid->data;
 922                 grid = grid->next;
 923
 924                 if (x < pg->x || x + width > pg->x + pg->w ||
 925                     y < pg->y || y + height > pg->y + pg->h)
 926                         {
 927                         pg = NULL;
 928                         }
 929                 }
 930
 931         list = pan_layout_intersect_l(list, pw->list, x, y, width, height);
 932
 933         if (pg)
 934                 {
 935                 list = pan_layout_intersect_l(list, pg->list, x, y, width, height);
 936                 }
 937         else
 938                 {
 939                 list = pan_layout_intersect_l(list, pw->list_static, x, y, width, height);
 940                 }
 941
 942         return list;
 943 }
 944
 945 void pan_layout_resize(PanWindow *pw)
 946 {
 947         gint width = 0;
 948         gint height = 0;
 949         GList *work;
 950         PixbufRenderer *pr;
 951
 952         work = pw->list;
 953         while (work)
 954                 {
 955                 PanItem *pi;
 956
 957                 pi = work->data;
 958                 work = work->next;
 959
 960                 if (width < pi->x + pi->width) width = pi->x + pi->width;
 961                 if (height < pi->y + pi->height) height = pi->y + pi->height;
 962                 }
 963         work = pw->list_static;
 964         while (work)
 965                 {
 966                 PanItem *pi;
 967
 968                 pi = work->data;
 969                 work = work->next;
 970
 971                 if (width < pi->x + pi->width) width = pi->x + pi->width;
 972                 if (height < pi->y + pi->height) height = pi->y + pi->height;
 973                 }
 974
 975         width += PAN_BOX_BORDER * 2;
 976         height += PAN_BOX_BORDER * 2;
 977
 978         pr = PIXBUF_RENDERER(pw->imd->pr);
 979         if (width < pr->window_width) width = pr->window_width;
 980         if (height < pr->window_width) height = pr->window_height;
 981
 982         pixbuf_renderer_set_tiles_size(PIXBUF_RENDERER(pw->imd->pr), width, height);
 983 }
 984
 985 static gint pan_layout_update_idle_cb(gpointer data)
 986 {
 987         PanWindow *pw = data;
 988         gint width;
 989         gint height;
 990         gint scroll_x;
 991         gint scroll_y;
 992
 993         if (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE ||
 994             (pw->exif_date_enable && (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR)))
 995                 {
 996                 if (!pw->cache_list && !pw->cache_todo)
 997                         {
 998                         pan_cache_fill(pw, pw->dir_fd);
 999                         if (pw->cache_todo)
1000                                 {
1001                                 pan_window_message(pw, _("Reading image data..."));
1002                                 return TRUE;
1003                                 }
1004                         }
1005                 if (pw->cache_todo)
1006                         {
1007                         pw->cache_count++;
1008                         pw->cache_tick++;
1009                         if (pw->cache_count == pw->cache_total)
1010                                 {
1011                                 pan_window_message(pw, _("Sorting..."));
1012                                 }
1013                         else if (pw->cache_tick > 9)
1014                                 {
1015                                 gchar *buf;
1016
1017                                 buf = g_strdup_printf("%s %d / %d", _("Reading image data..."),
1018                                                       pw->cache_count, pw->cache_total);
1019                                 pan_window_message(pw, buf);
1020                                 g_free(buf);
1021
1022                                 pw->cache_tick = 0;
1023                                 }
1024
1025                         if (pan_cache_step(pw)) return TRUE;
1026
1027                         pw->idle_id = 0;
1028                         return FALSE;
1029                         }
1030                 }
1031
1032         pan_layout_compute(pw, pw->dir_fd, &width, &height, &scroll_x, &scroll_y);
1033
1034         pan_window_zoom_limit(pw);
1035
1036         if (width > 0 && height > 0)
1037                 {
1038                 gdouble align;
1039
1040                 DEBUG_1("Canvas size is %d x %d", width, height);
1041
1042                 pan_grid_build(pw, width, height, 1000);
1043
1044                 pixbuf_renderer_set_tiles(PIXBUF_RENDERER(pw->imd->pr), width, height,
1045                                           PAN_TILE_SIZE, PAN_TILE_SIZE, 10,
1046                                           pan_window_request_tile_cb,
1047                                           pan_window_dispose_tile_cb, pw, 1.0);
1048
1049                 if (scroll_x == 0 && scroll_y == 0)
1050                         {
1051                         align = 0.0;
1052                         }
1053                 else
1054                         {
1055                         align = 0.5;
1056                         }
1057                 pixbuf_renderer_scroll_to_point(PIXBUF_RENDERER(pw->imd->pr), scroll_x, scroll_y, align, align);
1058                 }
1059
1060         pan_window_message(pw, NULL);
1061
1062         pw->idle_id = 0;
1063         return FALSE;
1064 }
1065
1066 static void pan_layout_update_idle(PanWindow *pw)
1067 {
1068         if (!pw->idle_id)
1069                 {
1070                 pw->idle_id = g_idle_add(pan_layout_update_idle_cb, pw);
1071                 }
1072 }
1073
1074 void pan_layout_update(PanWindow *pw)
1075 {
1076         pan_window_message(pw, _("Sorting images..."));
1077         pan_layout_update_idle(pw);
1078 }
1079
1080 static void pan_layout_set_fd(PanWindow *pw, FileData *dir_fd)
1081 {
1082         if (!dir_fd) return;
1083
1084         if (strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1085                 {
1086                 pan_warning_folder(dir_fd->path, pw->window);
1087                 return;
1088                 }
1089
1090         file_data_unref(pw->dir_fd);
1091         pw->dir_fd = file_data_ref(dir_fd);
1092
1093         pan_layout_update(pw);
1094 }
1095
1096
1097 /*
1098  *-----------------------------------------------------------------------------
1099  * keyboard handlers
1100  *-----------------------------------------------------------------------------
1101  */
1102
1103 FileData *pan_menu_click_fd(PanWindow *pw)
1104 {
1105         if (pw->click_pi && pw->click_pi->fd) return pw->click_pi->fd;
1106         return NULL;
1107 }
1108
1109 static void pan_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1110 {
1111         PanWindow *pw = data;
1112
1113         gdk_window_get_origin(gtk_widget_get_window(pw->imd->pr), x, y);
1114         popup_menu_position_clamp(menu, x, y, 0);
1115 }
1116
1117 static gboolean pan_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1118 {
1119         PanWindow *pw = data;
1120         PixbufRenderer *pr;
1121         FileData *fd;
1122         gboolean stop_signal = FALSE;
1123         GtkWidget *menu;
1124         GtkWidget *imd_widget;
1125         gint x = 0;
1126         gint y = 0;
1127         gint focused;
1128         gint on_entry;
1129
1130         pr = PIXBUF_RENDERER(pw->imd->pr);
1131         fd = pan_menu_click_fd(pw);
1132
1133         imd_widget = gtk_container_get_focus_child(GTK_CONTAINER(pw->imd->widget));
1134         focused = (pw->fs || (imd_widget && gtk_widget_has_focus(imd_widget)));
1135         on_entry = (gtk_widget_has_focus(pw->path_entry) ||
1136                     gtk_widget_has_focus(pw->search_ui->search_entry) ||
1137                     gtk_widget_has_focus(pw->filter_ui->filter_entry));
1138
1139         if (focused)
1140                 {
1141                 stop_signal = TRUE;
1142                 switch (event->keyval)
1143                         {
1144                         case GDK_KEY_Left: case GDK_KEY_KP_Left:
1145                                 x -= 1;
1146                                 break;
1147                         case GDK_KEY_Right: case GDK_KEY_KP_Right:
1148                                 x += 1;
1149                                 break;
1150                         case GDK_KEY_Up: case GDK_KEY_KP_Up:
1151                                 y -= 1;
1152                                 break;
1153                         case GDK_KEY_Down: case GDK_KEY_KP_Down:
1154                                 y += 1;
1155                                 break;
1156                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
1157                                 pixbuf_renderer_scroll(pr, 0, 0 - pr->vis_height / 2);
1158                                 break;
1159                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
1160                                 pixbuf_renderer_scroll(pr, 0, pr->vis_height / 2);
1161                                 break;
1162                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
1163                                 pixbuf_renderer_scroll(pr, 0 - pr->vis_width / 2, 0);
1164                                 break;
1165                         case GDK_KEY_End: case GDK_KEY_KP_End:
1166                                 pixbuf_renderer_scroll(pr, pr->vis_width / 2, 0);
1167                                 break;
1168                         default:
1169                                 stop_signal = FALSE;
1170                                 break;
1171                         }
1172
1173                 if (x != 0 || y!= 0)
1174                         {
1175                         if (event->state & GDK_SHIFT_MASK)
1176                                 {
1177                                 x *= 3;
1178                                 y *= 3;
1179                                 }
1180                         keyboard_scroll_calc(&x, &y, event);
1181                         pixbuf_renderer_scroll(pr, x, y);
1182                         }
1183                 }
1184
1185         if (stop_signal) return stop_signal;
1186
1187         if (event->state & GDK_CONTROL_MASK)
1188                 {
1189                 stop_signal = TRUE;
1190                 switch (event->keyval)
1191                         {
1192                         case '1':
1193                         case '2':
1194                         case '3':
1195                         case '4':
1196                         case '5':
1197                         case '6':
1198                         case '7':
1199                         case '8':
1200                         case '9':
1201                         case '0':
1202                                 break;
1203                         case 'C': case 'c':
1204                                 if (fd) file_util_copy(fd, NULL, NULL, GTK_WIDGET(pr));
1205                                 break;
1206                         case 'M': case 'm':
1207                                 if (fd) file_util_move(fd, NULL, NULL, GTK_WIDGET(pr));
1208                                 break;
1209                         case 'R': case 'r':
1210                                 if (fd) file_util_rename(fd, NULL, GTK_WIDGET(pr));
1211                                 break;
1212                         case 'D': case 'd':
1213                                 if (fd) file_util_delete(fd, NULL, GTK_WIDGET(pr));
1214                                 break;
1215                         case 'F': case 'f':
1216                                 pan_search_toggle_visible(pw, TRUE);
1217                                 break;
1218                         case 'G': case 'g':
1219                                 pan_search_activate(pw);
1220                                 break;
1221                         case 'W': case 'w':
1222                                 pan_window_close(pw);
1223                                 break;
1224                         default:
1225                                 stop_signal = FALSE;
1226                                 break;
1227                         }
1228                 }
1229         else
1230                 {
1231                 stop_signal = TRUE;
1232                 switch (event->keyval)
1233                         {
1234                         case GDK_KEY_Escape:
1235                                 if (pw->fs)
1236                                         {
1237                                         pan_fullscreen_toggle(pw, TRUE);
1238                                         }
1239                                 else
1240                                         {
1241                                         pan_search_toggle_visible(pw, FALSE);
1242                                         }
1243                                 break;
1244                         default:
1245                                 stop_signal = FALSE;
1246                                 break;
1247                         }
1248
1249                 if (stop_signal) return stop_signal;
1250
1251                 // Don't steal characters from entry boxes.
1252                 if (!on_entry)
1253                         {
1254                         stop_signal = TRUE;
1255                         switch (event->keyval)
1256                                 {
1257                                 case '+': case '=': case GDK_KEY_KP_Add:
1258                                         pixbuf_renderer_zoom_adjust(pr, ZOOM_INCREMENT);
1259                                         break;
1260                                 case '-': case GDK_KEY_KP_Subtract:
1261                                         pixbuf_renderer_zoom_adjust(pr, -ZOOM_INCREMENT);
1262                                         break;
1263                                 case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
1264                                         pixbuf_renderer_zoom_set(pr, 1.0);
1265                                         break;
1266                                 case '2':
1267                                         pixbuf_renderer_zoom_set(pr, 2.0);
1268                                         break;
1269                                 case '3':
1270                                         pixbuf_renderer_zoom_set(pr, 3.0);
1271                                         break;
1272                                 case '4':
1273                                         pixbuf_renderer_zoom_set(pr, 4.0);
1274                                         break;
1275                                 case '7':
1276                                         pixbuf_renderer_zoom_set(pr, -4.0);
1277                                         break;
1278                                 case '8':
1279                                         pixbuf_renderer_zoom_set(pr, -3.0);
1280                                         break;
1281                                 case '9':
1282                                         pixbuf_renderer_zoom_set(pr, -2.0);
1283                                         break;
1284                                 case 'F': case 'f':
1285                                 case 'V': case 'v':
1286                                 case GDK_KEY_F11:
1287                                         pan_fullscreen_toggle(pw, FALSE);
1288                                         break;
1289                                 case 'I': case 'i':
1290                                         break;
1291                                 case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
1292                                         break;
1293                                 case GDK_KEY_Menu:
1294                                 case GDK_KEY_F10:
1295                                         menu = pan_popup_menu(pw);
1296                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
1297                                                        pan_window_menu_pos_cb, pw, 0, GDK_CURRENT_TIME);
1298                                         break;
1299                                 case '/':
1300                                         pan_search_toggle_visible(pw, TRUE);
1301                                         break;
1302                                 case GDK_KEY_F1:
1303                                         help_window_show("GuideReferenceKeyboardShortcuts.html#PanViewKeyboardShortcuts");
1304                                         break;
1305                                 default:
1306                                         stop_signal = FALSE;
1307                                         break;
1308                                 }
1309                         }
1310                 }
1311
1312         return stop_signal;
1313 }
1314
1315 /*
1316  *-----------------------------------------------------------------------------
1317  * info popup
1318  *-----------------------------------------------------------------------------
1319  */
1320
1321 static void pan_info_add_exif(PanTextAlignment *ta, FileData *fd)
1322 {
1323
1324         if (!fd) return;
1325
1326         pan_text_alignment_add(ta, NULL, NULL);
1327 }
1328
1329
1330 void pan_info_update(PanWindow *pw, PanItem *pi)
1331 {
1332         PanTextAlignment *ta;
1333         PanItem *pbox;
1334         PanItem *p;
1335         gchar *buf;
1336         gint x1, y1, x2, y2, x3, y3;
1337         gint x, y, w, h;
1338
1339         if (pw->click_pi == pi) return;
1340         if (pi && !pi->fd) pi = NULL;
1341
1342         while ((p = pan_item_find_by_key(pw, PAN_ITEM_NONE, "info"))) pan_item_remove(pw, p);
1343         pw->click_pi = pi;
1344
1345         if (!pi) return;
1346
1347         DEBUG_1("info set to %s", pi->fd->path);
1348
1349         pbox = pan_item_box_new(pw, NULL, pi->x + pi->width + 4, pi->y, 10, 10,
1350                                 PAN_POPUP_BORDER,
1351                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1352                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1353         pan_item_set_key(pbox, "info");
1354
1355         if (pi->type == PAN_ITEM_THUMB && pi->pixbuf)
1356                 {
1357                 w = gdk_pixbuf_get_width(pi->pixbuf);
1358                 h = gdk_pixbuf_get_height(pi->pixbuf);
1359
1360                 x1 = pi->x + pi->width - (pi->width - w) / 2 - 8;
1361                 y1 = pi->y + (pi->height - h) / 2 + 8;
1362                 }
1363         else
1364                 {
1365                 x1 = pi->x + pi->width - 8;
1366                 y1 = pi->y + 8;
1367                 }
1368
1369         x2 = pbox->x + 1;
1370         y2 = pbox->y + 36;
1371         x3 = pbox->x + 1;
1372         y3 = pbox->y + 12;
1373         util_clip_triangle(x1, y1, x2, y2, x3, y3,
1374                            &x, &y, &w, &h);
1375
1376         p = pan_item_tri_new(pw, NULL, x, y, w, h,
1377                              x1, y1, x2, y2, x3, y3,
1378                              PAN_POPUP_COLOR, PAN_POPUP_ALPHA);
1379         pan_item_tri_border(p, PAN_BORDER_1 | PAN_BORDER_3, PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1380         pan_item_set_key(p, "info");
1381         pan_item_added(pw, p);
1382
1383         ta = pan_text_alignment_new(pw, pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, "info");
1384
1385         pan_text_alignment_add(ta, _("Filename:"), pi->fd->name);
1386         buf = remove_level_from_path(pi->fd->path);
1387         pan_text_alignment_add(ta, _("Location:"), buf);
1388         g_free(buf);
1389         pan_text_alignment_add(ta, _("Date:"), text_from_time(pi->fd->date));
1390         buf = text_from_size(pi->fd->size);
1391         pan_text_alignment_add(ta, _("Size:"), buf);
1392         g_free(buf);
1393
1394         if (pw->info_includes_exif)
1395                 {
1396                 pan_info_add_exif(ta, pi->fd);
1397                 }
1398
1399         pan_text_alignment_calc(ta, pbox);
1400         pan_text_alignment_free(ta);
1401
1402         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1403         pan_item_added(pw, pbox);
1404
1405         if (pw->info_image_size > PAN_IMAGE_SIZE_THUMB_NONE)
1406                 {
1407                 gint iw, ih;
1408                 if (image_load_dimensions(pi->fd, &iw, &ih))
1409                         {
1410                         gint scale = 25;
1411
1412                         switch (pw->info_image_size)
1413                                 {
1414                                 case PAN_IMAGE_SIZE_10:
1415                                         scale = 10;
1416                                         break;
1417                                 case PAN_IMAGE_SIZE_25:
1418                                         scale = 25;
1419                                         break;
1420                                 case PAN_IMAGE_SIZE_33:
1421                                         scale = 33;
1422                                         break;
1423                                 case PAN_IMAGE_SIZE_50:
1424                                         scale = 50;
1425                                         break;
1426                                 case PAN_IMAGE_SIZE_100:
1427                                         scale = 100;
1428                                         break;
1429                                 }
1430
1431                         iw = MAX(1, iw * scale / 100);
1432                         ih = MAX(1, ih * scale / 100);
1433
1434                         pbox = pan_item_box_new(pw, NULL, pbox->x, pbox->y + pbox->height + 8, 10, 10,
1435                                                 PAN_POPUP_BORDER,
1436                                                 PAN_POPUP_COLOR, PAN_POPUP_ALPHA,
1437                                                 PAN_POPUP_BORDER_COLOR, PAN_POPUP_ALPHA);
1438                         pan_item_set_key(pbox, "info");
1439
1440                         p = pan_item_image_new(pw, file_data_new_group(pi->fd->path),
1441                                                pbox->x + PREF_PAD_BORDER, pbox->y + PREF_PAD_BORDER, iw, ih);
1442                         pan_item_set_key(p, "info");
1443                         pan_item_size_by_item(pbox, p, PREF_PAD_BORDER);
1444
1445                         pan_item_box_shadow(pbox, PAN_SHADOW_OFFSET * 2, PAN_SHADOW_FADE * 2);
1446                         pan_item_added(pw, pbox);
1447                         }
1448                 }
1449
1450         pan_layout_resize(pw);
1451 }
1452
1453
1454 /*
1455  *-----------------------------------------------------------------------------
1456  * main window
1457  *-----------------------------------------------------------------------------
1458  */
1459
1460 static void button_cb(PixbufRenderer *pr, GdkEventButton *event, gpointer data)
1461 {
1462         PanWindow *pw = data;
1463         PanItem *pi = NULL;
1464         GtkWidget *menu;
1465         gint rx, ry;
1466
1467         rx = ry = 0;
1468         if (pr->scale)
1469                 {
1470                 rx = (gdouble)(pr->x_scroll + event->x - pr->x_offset) / pr->scale;
1471                 ry = (gdouble)(pr->y_scroll + event->y - pr->y_offset) / pr->scale;
1472                 }
1473
1474         pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "info");
1475         if (pi && event->button == MOUSE_BUTTON_LEFT)
1476                 {
1477                 pan_info_update(pw, NULL);
1478                 return;
1479                 }
1480
1481         pi = pan_item_find_by_coord(pw, (pw->size > PAN_IMAGE_SIZE_THUMB_LARGE) ? PAN_ITEM_IMAGE : PAN_ITEM_THUMB,
1482                                     rx, ry, NULL);
1483
1484         switch (event->button)
1485                 {
1486                 case MOUSE_BUTTON_LEFT:
1487                         pan_info_update(pw, pi);
1488
1489                         if (!pi && pw->layout == PAN_LAYOUT_CALENDAR)
1490                                 {
1491                                 pi = pan_item_find_by_coord(pw, PAN_ITEM_BOX, rx, ry, "day");
1492                                 pan_calendar_update(pw, pi);
1493                                 }
1494                         break;
1495                 case MOUSE_BUTTON_MIDDLE:
1496                         break;
1497                 case MOUSE_BUTTON_RIGHT:
1498                         pan_info_update(pw, pi);
1499                         menu = pan_popup_menu(pw);
1500                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1501                         break;
1502                 default:
1503                         break;
1504                 }
1505 }
1506
1507 static void scroll_cb(PixbufRenderer *pr, GdkEventScroll *event, gpointer data)
1508 {
1509         gint w, h;
1510
1511         w = pr->vis_width;
1512         h = pr->vis_height;
1513
1514         if (!(event->state & GDK_SHIFT_MASK))
1515                 {
1516                 w /= 3;
1517                 h /= 3;
1518                 }
1519
1520         if (event->state & GDK_CONTROL_MASK)
1521                 {
1522                 switch (event->direction)
1523                         {
1524                         case GDK_SCROLL_UP:
1525                                 pixbuf_renderer_zoom_adjust_at_point(pr, ZOOM_INCREMENT,
1526                                                                      (gint)event->x, (gint)event->y);
1527                                 break;
1528                         case GDK_SCROLL_DOWN:
1529                                 pixbuf_renderer_zoom_adjust_at_point(pr, -ZOOM_INCREMENT,
1530                                                                      (gint)event->x, (gint)event->y);
1531                                 break;
1532                         default:
1533                                 break;
1534                         }
1535                 }
1536         else
1537                 {
1538                 switch (event->direction)
1539                         {
1540                         case GDK_SCROLL_UP:
1541                                 pixbuf_renderer_scroll(pr, 0, -h);
1542                                 break;
1543                         case GDK_SCROLL_DOWN:
1544                                 pixbuf_renderer_scroll(pr, 0, h);
1545                                 break;
1546                         case GDK_SCROLL_LEFT:
1547                                 pixbuf_renderer_scroll(pr, -w, 0);
1548                                 break;
1549                         case GDK_SCROLL_RIGHT:
1550                                 pixbuf_renderer_scroll(pr, w, 0);
1551                                 break;
1552                         default:
1553                                 break;
1554                         }
1555                 }
1556 }
1557
1558 static void pan_image_set_buttons(PanWindow *pw, ImageWindow *imd)
1559 {
1560         g_signal_connect(G_OBJECT(imd->pr), "clicked",
1561                          G_CALLBACK(button_cb), pw);
1562         g_signal_connect(G_OBJECT(imd->pr), "scroll_event",
1563                          G_CALLBACK(scroll_cb), pw);
1564 }
1565
1566 static void pan_fullscreen_stop_func(FullScreenData *fs, gpointer data)
1567 {
1568         PanWindow *pw = data;
1569
1570         pw->fs = NULL;
1571         pw->imd = pw->imd_normal;
1572 }
1573
1574 static void pan_fullscreen_toggle(PanWindow *pw, gboolean force_off)
1575 {
1576         if (force_off && !pw->fs) return;
1577
1578         if (pw->fs)
1579                 {
1580                 fullscreen_stop(pw->fs);
1581                 }
1582         else
1583                 {
1584                 pw->fs = fullscreen_start(pw->window, pw->imd, pan_fullscreen_stop_func, pw);
1585                 pan_image_set_buttons(pw, pw->fs->imd);
1586                 g_signal_connect(G_OBJECT(pw->fs->window), "key_press_event",
1587                                  G_CALLBACK(pan_window_key_press_cb), pw);
1588
1589                 pw->imd = pw->fs->imd;
1590                 }
1591 }
1592
1593 static void pan_window_image_zoom_cb(PixbufRenderer *pr, gdouble zoom, gpointer data)
1594 {
1595         PanWindow *pw = data;
1596         gchar *text;
1597
1598         text = image_zoom_get_as_text(pw->imd);
1599         gtk_label_set_text(GTK_LABEL(pw->label_zoom), text);
1600         g_free(text);
1601 }
1602
1603 static void pan_window_image_scroll_notify_cb(PixbufRenderer *pr, gpointer data)
1604 {
1605         PanWindow *pw = data;
1606         GtkAdjustment *adj;
1607         GdkRectangle rect;
1608         gint width, height;
1609
1610         if (pr->scale == 0.0) return;
1611
1612         pixbuf_renderer_get_visible_rect(pr, &rect);
1613         pixbuf_renderer_get_image_size(pr, &width, &height);
1614
1615         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_h));
1616         gtk_adjustment_set_page_size(adj, rect.width);
1617         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1618         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1619         gtk_adjustment_set_lower(adj, 0.0);
1620         gtk_adjustment_set_upper(adj, MAX((gdouble)width, 1.0));
1621         gtk_adjustment_set_value(adj, (gdouble)rect.x);
1622
1623         pref_signal_block_data(pw->scrollbar_h, pw);
1624         gtk_adjustment_changed(adj);
1625         gtk_adjustment_value_changed(adj);
1626         pref_signal_unblock_data(pw->scrollbar_h, pw);
1627
1628         adj = gtk_range_get_adjustment(GTK_RANGE(pw->scrollbar_v));
1629         gtk_adjustment_set_page_size(adj, rect.height);
1630         gtk_adjustment_set_page_increment(adj, gtk_adjustment_get_page_size(adj) / 2.0);
1631         gtk_adjustment_set_step_increment(adj, 48.0 / pr->scale);
1632         gtk_adjustment_set_lower(adj, 0.0);
1633         gtk_adjustment_set_upper(adj, MAX((gdouble)height, 1.0));
1634         gtk_adjustment_set_value(adj, (gdouble)rect.y);
1635
1636         pref_signal_block_data(pw->scrollbar_v, pw);
1637         gtk_adjustment_changed(adj);
1638         gtk_adjustment_value_changed(adj);
1639         pref_signal_unblock_data(pw->scrollbar_v, pw);
1640 }
1641
1642 static void pan_window_scrollbar_h_value_cb(GtkRange *range, gpointer data)
1643 {
1644         PanWindow *pw = data;
1645         PixbufRenderer *pr;
1646         gint x;
1647
1648         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1649
1650         if (!pr->scale) return;
1651
1652         x = (gint)gtk_range_get_value(range);
1653
1654         pixbuf_renderer_scroll_to_point(pr, x, (gint)((gdouble)pr->y_scroll / pr->scale), 0.0, 0.0);
1655 }
1656
1657 static void pan_window_scrollbar_v_value_cb(GtkRange *range, gpointer data)
1658 {
1659         PanWindow *pw = data;
1660         PixbufRenderer *pr;
1661         gint y;
1662
1663         pr = PIXBUF_RENDERER(pw->imd_normal->pr);
1664
1665         if (!pr->scale) return;
1666
1667         y = (gint)gtk_range_get_value(range);
1668
1669         pixbuf_renderer_scroll_to_point(pr, (gint)((gdouble)pr->x_scroll / pr->scale), y, 0.0, 0.0);
1670 }
1671
1672 static void pan_window_layout_change_cb(GtkWidget *combo, gpointer data)
1673 {
1674         PanWindow *pw = data;
1675
1676         pw->layout = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1677         pan_layout_update(pw);
1678 }
1679
1680 static void pan_window_layout_size_cb(GtkWidget *combo, gpointer data)
1681 {
1682         PanWindow *pw = data;
1683
1684         pw->size = gtk_combo_box_get_active(GTK_COMBO_BOX(combo));
1685         pan_layout_update(pw);
1686 }
1687
1688 static void pan_window_entry_activate_cb(const gchar *new_text, gpointer data)
1689 {
1690         PanWindow *pw = data;
1691         gchar *path;
1692
1693         path = remove_trailing_slash(new_text);
1694         parse_out_relatives(path);
1695
1696         if (!isdir(path))
1697                 {
1698                 warning_dialog(_("Folder not found"),
1699                                _("The entered path is not a folder"),
1700                                GTK_STOCK_DIALOG_WARNING, pw->path_entry);
1701                 }
1702         else
1703                 {
1704                 FileData *dir_fd = file_data_new_dir(path);
1705                 tab_completion_append_to_history(pw->path_entry, path);
1706
1707                 pan_layout_set_fd(pw, dir_fd);
1708                 file_data_unref(dir_fd);
1709                 }
1710
1711         g_free(path);
1712 }
1713
1714 static void pan_window_entry_change_cb(GtkWidget *combo, gpointer data)
1715 {
1716         PanWindow *pw = data;
1717         gchar *text;
1718
1719         if (gtk_combo_box_get_active(GTK_COMBO_BOX(combo)) < 0) return;
1720
1721         text = g_strdup(gtk_entry_get_text(GTK_ENTRY(pw->path_entry)));
1722         pan_window_entry_activate_cb(text, pw);
1723         g_free(text);
1724 }
1725
1726 static void pan_window_close(PanWindow *pw)
1727 {
1728         pan_window_list = g_list_remove(pan_window_list, pw);
1729
1730         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, pw->exif_date_enable);
1731         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, pw->info_image_size);
1732         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, pw->info_includes_exif);
1733
1734         if (pw->idle_id)
1735                 {
1736                 g_source_remove(pw->idle_id);
1737                 }
1738
1739         pan_fullscreen_toggle(pw, TRUE);
1740         pan_search_ui_destroy(&pw->search_ui);
1741         pan_filter_ui_destroy(&pw->filter_ui);
1742         gtk_widget_destroy(pw->window);
1743
1744         pan_window_items_free(pw);
1745         pan_cache_free(pw);
1746
1747         file_data_unref(pw->dir_fd);
1748
1749         g_free(pw);
1750 }
1751
1752 static gboolean pan_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
1753 {
1754         PanWindow *pw = data;
1755
1756         pan_window_close(pw);
1757         return TRUE;
1758 }
1759
1760 static void pan_window_new_real(FileData *dir_fd)
1761 {
1762         PanWindow *pw;
1763         GtkWidget *vbox;
1764         GtkWidget *box;
1765         GtkWidget *combo;
1766         GtkWidget *hbox;
1767         GtkWidget *frame;
1768         GtkWidget *table;
1769         GdkGeometry geometry;
1770
1771         pw = g_new0(PanWindow, 1);
1772
1773         pw->dir_fd = file_data_ref(dir_fd);
1774         pw->layout = PAN_LAYOUT_TIMELINE;
1775         pw->size = PAN_IMAGE_SIZE_THUMB_NORMAL;
1776         pw->thumb_size = PAN_THUMB_SIZE_NORMAL;
1777         pw->thumb_gap = PAN_THUMB_GAP_NORMAL;
1778
1779         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_EXIF_PAN_DATE, &pw->exif_date_enable))
1780                 {
1781                 pw->exif_date_enable = FALSE;
1782                 }
1783         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_IMAGE, &pw->info_image_size))
1784                 {
1785                 pw->info_image_size = PAN_IMAGE_SIZE_THUMB_NONE;
1786                 }
1787         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_INFO_EXIF, &pw->info_includes_exif))
1788                 {
1789                 pw->info_includes_exif = TRUE;
1790                 }
1791
1792         pw->ignore_symlinks = TRUE;
1793
1794         pw->idle_id = 0;
1795
1796         pw->window = window_new(GTK_WINDOW_TOPLEVEL, "panview", NULL, NULL, _("Pan View"));
1797
1798         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
1799         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
1800         gtk_window_set_geometry_hints(GTK_WINDOW(pw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
1801
1802         gtk_window_set_resizable(GTK_WINDOW(pw->window), TRUE);
1803         gtk_container_set_border_width(GTK_CONTAINER(pw->window), 0);
1804
1805         vbox = gtk_vbox_new(FALSE, 0);
1806         gtk_container_add(GTK_CONTAINER(pw->window), vbox);
1807         gtk_widget_show(vbox);
1808
1809         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
1810
1811         pref_spacer(box, 0);
1812         pref_label_new(box, _("Location:"));
1813         combo = tab_completion_new_with_history(&pw->path_entry, dir_fd->path, "pan_view_path", -1,
1814                                                 pan_window_entry_activate_cb, pw);
1815         g_signal_connect(G_OBJECT(gtk_widget_get_parent(pw->path_entry)), "changed",
1816                          G_CALLBACK(pan_window_entry_change_cb), pw);
1817         gtk_box_pack_start(GTK_BOX(box), combo, TRUE, TRUE, 0);
1818         gtk_widget_show(combo);
1819
1820         combo = gtk_combo_box_text_new();
1821         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Timeline"));
1822         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Calendar"));
1823         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders"));
1824         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Folders (flower)"));
1825         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Grid"));
1826
1827         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->layout);
1828         g_signal_connect(G_OBJECT(combo), "changed",
1829                          G_CALLBACK(pan_window_layout_change_cb), pw);
1830         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1831         gtk_widget_show(combo);
1832
1833         combo = gtk_combo_box_text_new();
1834         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Dots"));
1835         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("No Images"));
1836         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Small Thumbnails"));
1837         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Normal Thumbnails"));
1838         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("Large Thumbnails"));
1839         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:10 (10%)"));
1840         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:4 (25%)"));
1841         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:3 (33%)"));
1842         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:2 (50%)"));
1843         gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo), _("1:1 (100%)"));
1844
1845         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), pw->size);
1846         g_signal_connect(G_OBJECT(combo), "changed",
1847                          G_CALLBACK(pan_window_layout_size_cb), pw);
1848         gtk_box_pack_start(GTK_BOX(box), combo, FALSE, FALSE, 0);
1849         gtk_widget_show(combo);
1850
1851         table = pref_table_new(vbox, 2, 2, FALSE, TRUE);
1852         gtk_table_set_row_spacings(GTK_TABLE(table), 2);
1853         gtk_table_set_col_spacings(GTK_TABLE(table), 2);
1854
1855         pw->imd = image_new(TRUE);
1856         pw->imd_normal = pw->imd;
1857
1858         g_signal_connect(G_OBJECT(pw->imd->pr), "zoom",
1859                          G_CALLBACK(pan_window_image_zoom_cb), pw);
1860         g_signal_connect(G_OBJECT(pw->imd->pr), "scroll_notify",
1861                          G_CALLBACK(pan_window_image_scroll_notify_cb), pw);
1862
1863         gtk_table_attach(GTK_TABLE(table), pw->imd->widget, 0, 1, 0, 1,
1864                          GTK_FILL | GTK_EXPAND, GTK_FILL | GTK_EXPAND, 0, 0);
1865         gtk_widget_show(GTK_WIDGET(pw->imd->widget));
1866
1867         pan_window_dnd_init(pw);
1868
1869         pan_image_set_buttons(pw, pw->imd);
1870
1871         pw->scrollbar_h = gtk_hscrollbar_new(NULL);
1872         g_signal_connect(G_OBJECT(pw->scrollbar_h), "value_changed",
1873                          G_CALLBACK(pan_window_scrollbar_h_value_cb), pw);
1874         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_h, 0, 1, 1, 2,
1875                          GTK_FILL | GTK_EXPAND, 0, 0, 0);
1876         gtk_widget_show(pw->scrollbar_h);
1877
1878         pw->scrollbar_v = gtk_vscrollbar_new(NULL);
1879         g_signal_connect(G_OBJECT(pw->scrollbar_v), "value_changed",
1880                          G_CALLBACK(pan_window_scrollbar_v_value_cb), pw);
1881         gtk_table_attach(GTK_TABLE(table), pw->scrollbar_v, 1, 2, 0, 1,
1882                          0, GTK_FILL | GTK_EXPAND, 0, 0);
1883         gtk_widget_show(pw->scrollbar_v);
1884
1885         /* find bar */
1886
1887         pw->search_ui = pan_search_ui_new(pw);
1888         gtk_box_pack_start(GTK_BOX(vbox), pw->search_ui->search_box, FALSE, FALSE, 2);
1889
1890     /* filter bar */
1891     pw->filter_ui = pan_filter_ui_new(pw);
1892     gtk_box_pack_start(GTK_BOX(vbox), pw->filter_ui->filter_box, FALSE, FALSE, 2);
1893
1894         /* status bar */
1895
1896         box = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
1897
1898         frame = gtk_frame_new(NULL);
1899         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1900         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1901         gtk_box_pack_start(GTK_BOX(box), frame, TRUE, TRUE, 0);
1902         gtk_widget_show(frame);
1903
1904         hbox = gtk_hbox_new(FALSE, PREF_PAD_SPACE);
1905         gtk_container_add(GTK_CONTAINER(frame), hbox);
1906         gtk_widget_show(hbox);
1907
1908         pref_spacer(hbox, 0);
1909         pw->label_message = pref_label_new(hbox, "");
1910
1911         frame = gtk_frame_new(NULL);
1912         gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_IN);
1913         gtk_widget_set_size_request(frame, ZOOM_LABEL_WIDTH, -1);
1914         gtk_box_pack_end(GTK_BOX(box), frame, FALSE, FALSE, 0);
1915         gtk_widget_show(frame);
1916
1917         pw->label_zoom = gtk_label_new("");
1918         gtk_container_add(GTK_CONTAINER(frame), pw->label_zoom);
1919         gtk_widget_show(pw->label_zoom);
1920
1921         // Add the "Find" button to the status bar area.
1922         gtk_box_pack_end(GTK_BOX(box), pw->search_ui->search_button, FALSE, FALSE, 0);
1923         gtk_widget_show(pw->search_ui->search_button);
1924
1925         // Add the "Filter" button to the status bar area.
1926         gtk_box_pack_end(GTK_BOX(box), pw->filter_ui->filter_button, FALSE, FALSE, 0);
1927         gtk_widget_show(pw->filter_ui->filter_button);
1928
1929         g_signal_connect(G_OBJECT(pw->window), "delete_event",
1930                          G_CALLBACK(pan_window_delete_cb), pw);
1931         g_signal_connect(G_OBJECT(pw->window), "key_press_event",
1932                          G_CALLBACK(pan_window_key_press_cb), pw);
1933
1934         gtk_window_set_default_size(GTK_WINDOW(pw->window), PAN_WINDOW_DEFAULT_WIDTH, PAN_WINDOW_DEFAULT_HEIGHT);
1935
1936         pan_layout_update(pw);
1937
1938         gtk_widget_grab_focus(GTK_WIDGET(pw->imd->widget));
1939         gtk_widget_show(pw->window);
1940
1941         pan_window_list = g_list_append(pan_window_list, pw);
1942 }
1943
1944 /*
1945  *-----------------------------------------------------------------------------
1946  * peformance warnings
1947  *-----------------------------------------------------------------------------
1948  */
1949
1950 static void pan_warning_ok_cb(GenericDialog *gd, gpointer data)
1951 {
1952         FileData *dir_fd = data;
1953
1954         generic_dialog_close(gd);
1955
1956         pan_window_new_real(dir_fd);
1957         file_data_unref(dir_fd);
1958 }
1959
1960 static void pan_warning_hide_cb(GtkWidget *button, gpointer data)
1961 {
1962         gboolean hide_dlg;
1963
1964         hide_dlg = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
1965         pref_list_int_set(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, hide_dlg);
1966 }
1967
1968 static gboolean pan_warning(FileData *dir_fd)
1969 {
1970         GenericDialog *gd;
1971         GtkWidget *box;
1972         GtkWidget *group;
1973         GtkWidget *button;
1974         GtkWidget *ct_button;
1975         gboolean hide_dlg;
1976
1977         if (dir_fd && strcmp(dir_fd->path, G_DIR_SEPARATOR_S) == 0)
1978                 {
1979                 pan_warning_folder(dir_fd->path, NULL);
1980                 return TRUE;
1981                 }
1982
1983         if (options->thumbnails.enable_caching &&
1984             options->thumbnails.spec_standard) return FALSE;
1985
1986         if (!pref_list_int_get(PAN_PREF_GROUP, PAN_PREF_HIDE_WARNING, &hide_dlg)) hide_dlg = FALSE;
1987         if (hide_dlg) return FALSE;
1988
1989         gd = generic_dialog_new(_("Pan View Performance"), "pan_view_warning", NULL, FALSE,
1990                                 NULL, NULL);
1991         gd->data = file_data_ref(dir_fd);
1992         generic_dialog_add_button(gd, GTK_STOCK_OK, NULL,
1993                                   pan_warning_ok_cb, TRUE);
1994
1995         box = generic_dialog_add_message(gd, GTK_STOCK_DIALOG_INFO,
1996                                          _("Pan view performance may be poor."),
1997                                          _("To improve performance of thumbnails in the pan view the"
1998                                            " following options can be enabled. Note that both options"
1999                                            " must be enabled to notice a change in performance."));
2000
2001         group = pref_box_new(box, FALSE, GTK_ORIENTATION_HORIZONTAL, 0);
2002         pref_spacer(group, PREF_PAD_INDENT);
2003         group = pref_box_new(group, TRUE, GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
2004
2005         ct_button = pref_checkbox_new_int(group, _("Cache thumbnails"),
2006                                           options->thumbnails.enable_caching, &options->thumbnails.enable_caching);
2007         button = pref_checkbox_new_int(group, _("Use shared thumbnail cache"),
2008                                        options->thumbnails.spec_standard, &options->thumbnails.spec_standard);
2009         pref_checkbox_link_sensitivity(ct_button, button);
2010
2011         pref_line(box, 0);
2012
2013         pref_checkbox_new(box, _("Do not show this dialog again"), hide_dlg,
2014                           G_CALLBACK(pan_warning_hide_cb), NULL);
2015
2016         gtk_widget_show(gd->dialog);
2017
2018         return TRUE;
2019 }
2020
2021
2022 /*
2023  *-----------------------------------------------------------------------------
2024  * entry point
2025  *-----------------------------------------------------------------------------
2026  */
2027
2028 void pan_window_new(FileData *dir_fd)
2029 {
2030         if (pan_warning(dir_fd)) return;
2031
2032         pan_window_new_real(dir_fd);
2033 }
2034
2035
2036 /*
2037  *-----------------------------------------------------------------------------
2038  * menus
2039  *-----------------------------------------------------------------------------
2040  */
2041
2042 #define INFO_IMAGE_SIZE_KEY "image_size_data"
2043
2044
2045 static void pan_new_window_cb(GtkWidget *widget, gpointer data)
2046 {
2047         PanWindow *pw = data;
2048         FileData *fd;
2049
2050         fd = pan_menu_click_fd(pw);
2051         if (fd)
2052                 {
2053                 pan_fullscreen_toggle(pw, TRUE);
2054                 view_window_new(fd);
2055                 }
2056 }
2057
2058 static void pan_edit_cb(GtkWidget *widget, gpointer data)
2059 {
2060         PanWindow *pw;
2061         FileData *fd;
2062         const gchar *key = data;
2063
2064         pw = submenu_item_get_data(widget);
2065         if (!pw) return;
2066
2067         fd = pan_menu_click_fd(pw);
2068         if (fd)
2069                 {
2070                 if (!editor_window_flag_set(key))
2071                         {
2072                         pan_fullscreen_toggle(pw, TRUE);
2073                         }
2074                 file_util_start_editor_from_file(key, fd, pw->imd->widget);
2075                 }
2076 }
2077
2078 static void pan_zoom_in_cb(GtkWidget *widget, gpointer data)
2079 {
2080         PanWindow *pw = data;
2081
2082         image_zoom_adjust(pw->imd, ZOOM_INCREMENT);
2083 }
2084
2085 static void pan_zoom_out_cb(GtkWidget *widget, gpointer data)
2086 {
2087         PanWindow *pw = data;
2088
2089         image_zoom_adjust(pw->imd, -ZOOM_INCREMENT);
2090 }
2091
2092 static void pan_zoom_1_1_cb(GtkWidget *widget, gpointer data)
2093 {
2094         PanWindow *pw = data;
2095
2096         image_zoom_set(pw->imd, 1.0);
2097 }
2098
2099 static void pan_copy_cb(GtkWidget *widget, gpointer data)
2100 {
2101         PanWindow *pw = data;
2102         FileData *fd;
2103
2104         fd = pan_menu_click_fd(pw);
2105         if (fd) file_util_copy(fd, NULL, NULL, pw->imd->widget);
2106 }
2107
2108 static void pan_move_cb(GtkWidget *widget, gpointer data)
2109 {
2110         PanWindow *pw = data;
2111         FileData *fd;
2112
2113         fd = pan_menu_click_fd(pw);
2114         if (fd) file_util_move(fd, NULL, NULL, pw->imd->widget);
2115 }
2116
2117 static void pan_rename_cb(GtkWidget *widget, gpointer data)
2118 {
2119         PanWindow *pw = data;
2120         FileData *fd;
2121
2122         fd = pan_menu_click_fd(pw);
2123         if (fd) file_util_rename(fd, NULL, pw->imd->widget);
2124 }
2125
2126 static void pan_delete_cb(GtkWidget *widget, gpointer data)
2127 {
2128         PanWindow *pw = data;
2129         FileData *fd;
2130
2131         fd = pan_menu_click_fd(pw);
2132         if (fd) file_util_delete(fd, NULL, pw->imd->widget);
2133 }
2134
2135 static void pan_copy_path_cb(GtkWidget *widget, gpointer data)
2136 {
2137         PanWindow *pw = data;
2138         FileData *fd;
2139
2140         fd = pan_menu_click_fd(pw);
2141         if (fd) file_util_copy_path_to_clipboard(fd);
2142 }
2143
2144 static void pan_exif_date_toggle_cb(GtkWidget *widget, gpointer data)
2145 {
2146         PanWindow *pw = data;
2147
2148         pw->exif_date_enable = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2149         pan_layout_update(pw);
2150 }
2151
2152 static void pan_info_toggle_exif_cb(GtkWidget *widget, gpointer data)
2153 {
2154         PanWindow *pw = data;
2155
2156         pw->info_includes_exif = gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget));
2157         /* fixme: sync info now */
2158 }
2159
2160 static void pan_info_toggle_image_cb(GtkWidget *widget, gpointer data)
2161 {
2162         PanWindow *pw = data;
2163
2164         pw->info_image_size = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), INFO_IMAGE_SIZE_KEY));
2165         /* fixme: sync info now */
2166 }
2167
2168 static void pan_fullscreen_cb(GtkWidget *widget, gpointer data)
2169 {
2170         PanWindow *pw = data;
2171
2172         pan_fullscreen_toggle(pw, FALSE);
2173 }
2174
2175 static void pan_close_cb(GtkWidget *widget, gpointer data)
2176 {
2177         PanWindow *pw = data;
2178
2179         pan_window_close(pw);
2180 }
2181
2182 static void pan_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
2183 {
2184         GList *editmenu_fd_list = data;
2185
2186         filelist_free(editmenu_fd_list);
2187 }
2188
2189 static GList *pan_view_get_fd_list(PanWindow *pw)
2190 {
2191         GList *list = NULL;
2192         FileData *fd = pan_menu_click_fd(pw);
2193
2194         if (fd) list = g_list_prepend(filelist_copy(fd->sidecar_files), file_data_ref(fd));
2195
2196         return list;
2197 }
2198
2199 static GtkWidget *pan_popup_menu(PanWindow *pw)
2200 {
2201         GtkWidget *menu;
2202         GtkWidget *submenu;
2203         GtkWidget *item;
2204         gboolean active;
2205         GList *editmenu_fd_list;
2206
2207         active = (pw->click_pi != NULL);
2208
2209         menu = popup_menu_short_lived();
2210
2211         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN,
2212                             G_CALLBACK(pan_zoom_in_cb), pw);
2213         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT,
2214                             G_CALLBACK(pan_zoom_out_cb), pw);
2215         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100,
2216                             G_CALLBACK(pan_zoom_1_1_cb), pw);
2217         menu_item_add_divider(menu);
2218
2219         editmenu_fd_list = pan_view_get_fd_list(pw);
2220         g_signal_connect(G_OBJECT(menu), "destroy",
2221                          G_CALLBACK(pan_popup_menu_destroy_cb), editmenu_fd_list);
2222
2223         submenu_add_edit(menu, &item, G_CALLBACK(pan_edit_cb), pw, editmenu_fd_list);
2224         gtk_widget_set_sensitive(item, active);
2225
2226         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
2227                                       G_CALLBACK(pan_new_window_cb), pw);
2228
2229         menu_item_add_divider(menu);
2230         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
2231                                       G_CALLBACK(pan_copy_cb), pw);
2232         menu_item_add_sensitive(menu, _("_Move..."), active,
2233                                 G_CALLBACK(pan_move_cb), pw);
2234         menu_item_add_sensitive(menu, _("_Rename..."), active,
2235                                 G_CALLBACK(pan_rename_cb), pw);
2236         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, active,
2237                                       G_CALLBACK(pan_delete_cb), pw);
2238         menu_item_add_sensitive(menu, _("_Copy path"), active,
2239                                 G_CALLBACK(pan_copy_path_cb), pw);
2240
2241         menu_item_add_divider(menu);
2242         item = menu_item_add_check(menu, _("Sort by E_xif date"), pw->exif_date_enable,
2243                                    G_CALLBACK(pan_exif_date_toggle_cb), pw);
2244         gtk_widget_set_sensitive(item, (pw->layout == PAN_LAYOUT_TIMELINE || pw->layout == PAN_LAYOUT_CALENDAR));
2245
2246         menu_item_add_divider(menu);
2247
2248         menu_item_add_check(menu, _("_Show Exif information"), pw->info_includes_exif,
2249                             G_CALLBACK(pan_info_toggle_exif_cb), pw);
2250         item = menu_item_add(menu, _("Show im_age"), NULL, NULL);
2251         submenu = gtk_menu_new();
2252         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
2253
2254         item = menu_item_add_check(submenu, _("_None"), (pw->info_image_size == PAN_IMAGE_SIZE_THUMB_NONE),
2255                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2256         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_THUMB_NONE));
2257
2258         item = menu_item_add_check(submenu, _("_Full size"), (pw->info_image_size == PAN_IMAGE_SIZE_100),
2259                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2260         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_100));
2261
2262         item = menu_item_add_check(submenu, _("1:2 (50%)"), (pw->info_image_size == PAN_IMAGE_SIZE_50),
2263                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2264         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_50));
2265
2266         item = menu_item_add_check(submenu, _("1:3 (33%)"), (pw->info_image_size == PAN_IMAGE_SIZE_33),
2267                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2268         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_33));
2269
2270         item = menu_item_add_check(submenu, _("1:4 (25%)"), (pw->info_image_size == PAN_IMAGE_SIZE_25),
2271                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2272         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_25));
2273
2274         item = menu_item_add_check(submenu, _("1:10 (10%)"), (pw->info_image_size == PAN_IMAGE_SIZE_10),
2275                                    G_CALLBACK(pan_info_toggle_image_cb), pw);
2276         g_object_set_data(G_OBJECT(item), INFO_IMAGE_SIZE_KEY, GINT_TO_POINTER(PAN_IMAGE_SIZE_10));
2277
2278
2279
2280         menu_item_add_divider(menu);
2281
2282         if (pw->fs)
2283                 {
2284                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2285                 }
2286         else
2287                 {
2288                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(pan_fullscreen_cb), pw);
2289                 }
2290
2291         menu_item_add_divider(menu);
2292         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(pan_close_cb), pw);
2293
2294         return menu;
2295 }
2296
2297
2298 /*
2299  *-----------------------------------------------------------------------------
2300  * drag and drop
2301  *-----------------------------------------------------------------------------
2302  */
2303
2304 static void pan_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
2305                                     gint x, gint y,
2306                                     GtkSelectionData *selection_data, guint info,
2307                                     guint time, gpointer data)
2308 {
2309         PanWindow *pw = data;
2310
2311         if (gtk_drag_get_source_widget(context) == pw->imd->pr) return;
2312
2313         if (info == TARGET_URI_LIST)
2314                 {
2315                 GList *list;
2316
2317                 list = uri_filelist_from_gtk_selection_data(selection_data);
2318                 if (list && isdir(((FileData *)list->data)->path))
2319                         {
2320                         FileData *fd = list->data;
2321
2322                         pan_layout_set_fd(pw, fd);
2323                         }
2324
2325                 filelist_free(list);
2326                 }
2327 }
2328
2329 static void pan_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
2330                                     GtkSelectionData *selection_data, guint info,
2331                                     guint time, gpointer data)
2332 {
2333         PanWindow *pw = data;
2334         FileData *fd;
2335
2336         fd = pan_menu_click_fd(pw);
2337         if (fd)
2338                 {
2339                 GList *list;
2340
2341                 list = g_list_append(NULL, fd);
2342                 uri_selection_data_set_uris_from_filelist(selection_data, list);
2343                 g_list_free(list);
2344                 }
2345         else
2346                 {
2347                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
2348                                        8, NULL, 0);
2349                 }
2350 }
2351
2352 static void pan_window_dnd_init(PanWindow *pw)
2353 {
2354         GtkWidget *widget;
2355
2356         widget = pw->imd->pr;
2357
2358         gtk_drag_source_set(widget, GDK_BUTTON2_MASK,
2359                             dnd_file_drag_types, dnd_file_drag_types_count,
2360                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2361         g_signal_connect(G_OBJECT(widget), "drag_data_get",
2362                          G_CALLBACK(pan_window_set_dnd_data), pw);
2363
2364         gtk_drag_dest_set(widget,
2365                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
2366                           dnd_file_drop_types, dnd_file_drop_types_count,
2367                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
2368         g_signal_connect(G_OBJECT(widget), "drag_data_received",
2369                          G_CALLBACK(pan_window_get_dnd_data), pw);
2370 }
2371
2372 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */