src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "info.h"
  26 #include "layout.h"
  27 #include "layout_image.h"
  28 #include "menu.h"
  29 #include "pixbuf-renderer.h"
  30 #include "pixbuf_util.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "utilops.h"
  34 #include "ui_bookmark.h"
  35 #include "ui_fileops.h"
  36 #include "ui_menu.h"
  37
  38 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  39
  40
  41 typedef struct _ViewWindow ViewWindow;
  42 struct _ViewWindow
  43 {
  44         GtkWidget *window;
  45         ImageWindow *imd;
  46         FullScreenData *fs;
  47         SlideShowData *ss;
  48
  49         GList *list;
  50         GList *list_pointer;
  51 };
  52
  53
  54 static GList *view_window_list = NULL;
  55
  56
  57 static GtkWidget *view_popup_menu(ViewWindow *vw);
  58 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  59 static void view_overlay_toggle(ViewWindow *vw);
  60
  61 static void view_slideshow_next(ViewWindow *vw);
  62 static void view_slideshow_prev(ViewWindow *vw);
  63 static void view_slideshow_start(ViewWindow *vw);
  64 static void view_slideshow_stop(ViewWindow *vw);
  65
  66 static void view_window_close(ViewWindow *vw);
  67
  68 static void view_window_dnd_init(ViewWindow *vw);
  69
  70
  71 /*
  72  *-----------------------------------------------------------------------------
  73  * misc
  74  *-----------------------------------------------------------------------------
  75  */
  76
  77 static ImageWindow *view_window_active_image(ViewWindow *vw)
  78 {
  79         if (vw->fs) return vw->fs->imd;
  80
  81         return vw->imd;
  82 }
  83
  84 static void view_window_set_list(ViewWindow *vw, GList *list)
  85 {
  86
  87         filelist_free(vw->list);
  88         vw->list = NULL;
  89         vw->list_pointer = NULL;
  90
  91         vw->list = filelist_copy(list);
  92 }
  93
  94 static gint view_window_contains_collection(ViewWindow *vw)
  95 {
  96         CollectionData *cd;
  97         CollectInfo *info;
  98
  99         cd = image_get_collection(view_window_active_image(vw), &info);
 100
 101         return (cd && info);
 102 }
 103
 104 static void view_collection_step(ViewWindow *vw, gint next)
 105 {
 106         ImageWindow *imd = view_window_active_image(vw);
 107         CollectionData *cd;
 108         CollectInfo *info;
 109         CollectInfo *read_ahead_info = NULL;
 110
 111         cd = image_get_collection(imd, &info);
 112
 113         if (!cd || !info) return;
 114
 115         if (next)
 116                 {
 117                 info = collection_next_by_info(cd, info);
 118                 if (options->image.enable_read_ahead)
 119                         {
 120                         read_ahead_info = collection_next_by_info(cd, info);
 121                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 122                         }
 123                 }
 124         else
 125                 {
 126                 info = collection_prev_by_info(cd, info);
 127                 if (options->image.enable_read_ahead)
 128                         {
 129                         read_ahead_info = collection_prev_by_info(cd, info);
 130                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 131                         }
 132                 }
 133
 134         if (info)
 135                 {
 136                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 137
 138                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 139                 }
 140
 141 }
 142
 143 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 144 {
 145         ImageWindow *imd = view_window_active_image(vw);
 146         CollectionData *cd;
 147         CollectInfo *info;
 148         CollectInfo *read_ahead_info = NULL;
 149
 150         cd = image_get_collection(imd, &info);
 151
 152         if (!cd || !info) return;
 153
 154         if (last)
 155                 {
 156                 info = collection_get_last(cd);
 157                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 158                 }
 159         else
 160                 {
 161                 info = collection_get_first(cd);
 162                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 163                 }
 164
 165         if (info)
 166                 {
 167                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 168                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 169                 }
 170 }
 171
 172 static void view_list_step(ViewWindow *vw, gint next)
 173 {
 174         ImageWindow *imd = view_window_active_image(vw);
 175         FileData *fd;
 176         GList *work;
 177         GList *work_ahead;
 178
 179         if (!vw->list) return;
 180
 181         fd = image_get_fd(imd);
 182         if (!fd) return;
 183
 184         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 185                 {
 186                 work = vw->list_pointer;
 187                 }
 188         else
 189                 {
 190                 gint found = FALSE;
 191
 192                 work = vw->list;
 193                 while (work && !found)
 194                         {
 195                         FileData *temp;
 196
 197                         temp = work->data;
 198
 199                         if (fd == temp)
 200                                 {
 201                                 found = TRUE;
 202                                 }
 203                         else
 204                                 {
 205                                 work = work->next;
 206                                 }
 207                         }
 208                 }
 209         if (!work) return;
 210
 211         work_ahead = NULL;
 212         if (next)
 213                 {
 214                 work = work->next;
 215                 if (work) work_ahead = work->next;
 216                 }
 217         else
 218                 {
 219                 work = work->prev;
 220                 if (work) work_ahead = work->prev;
 221                 }
 222
 223         if (!work) return;
 224
 225         vw->list_pointer = work;
 226         fd = work->data;
 227         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 228
 229         if (options->image.enable_read_ahead && work_ahead)
 230                 {
 231                 FileData *next_fd = work_ahead->data;
 232                 image_prebuffer_set(imd, next_fd);
 233                 }
 234 }
 235
 236 static void view_list_step_to_end(ViewWindow *vw, gint last)
 237 {
 238         ImageWindow *imd = view_window_active_image(vw);
 239         FileData *fd;
 240         GList *work;
 241         GList *work_ahead;
 242
 243         if (!vw->list) return;
 244
 245         if (last)
 246                 {
 247                 work = g_list_last(vw->list);
 248                 work_ahead = work->prev;
 249                 }
 250         else
 251                 {
 252                 work = vw->list;
 253                 work_ahead = work->next;
 254                 }
 255
 256         vw->list_pointer = work;
 257         fd = work->data;
 258         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 259
 260         if (options->image.enable_read_ahead && work_ahead)
 261                 {
 262                 FileData *next_fd = work_ahead->data;
 263                 image_prebuffer_set(imd, next_fd);
 264                 }
 265 }
 266
 267 static void view_step_next(ViewWindow *vw)
 268 {
 269         if (vw->ss)
 270                 {
 271                 view_slideshow_next(vw);
 272                 }
 273         else if (vw->list)
 274                 {
 275                 view_list_step(vw, TRUE);
 276                 }
 277         else
 278                 {
 279                 view_collection_step(vw, TRUE);
 280                 }
 281 }
 282
 283 static void view_step_prev(ViewWindow *vw)
 284 {
 285         if (vw->ss)
 286                 {
 287                 view_slideshow_prev(vw);
 288                 }
 289         else if (vw->list)
 290                 {
 291                 view_list_step(vw, FALSE);
 292                 }
 293         else
 294                 {
 295                 view_collection_step(vw, FALSE);
 296                 }
 297 }
 298
 299 static void view_step_to_end(ViewWindow *vw, gint last)
 300 {
 301         if (vw->list)
 302                 {
 303                 view_list_step_to_end(vw, last);
 304                 }
 305         else
 306                 {
 307                 view_collection_step_to_end(vw, last);
 308                 }
 309 }
 310
 311 /*
 312  *-----------------------------------------------------------------------------
 313  * view window keyboard
 314  *-----------------------------------------------------------------------------
 315  */
 316
 317 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 318 {
 319         ViewWindow *vw = data;
 320         ImageWindow *imd;
 321
 322         imd = view_window_active_image(vw);
 323         gdk_window_get_origin(imd->pr->window, x, y);
 324         popup_menu_position_clamp(menu, x, y, 0);
 325 }
 326
 327 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 328 {
 329         ViewWindow *vw = data;
 330         ImageWindow *imd;
 331         gint stop_signal;
 332         GtkWidget *menu;
 333         gint x = 0;
 334         gint y = 0;
 335
 336         imd = view_window_active_image(vw);
 337
 338         stop_signal = TRUE;
 339         switch (event->keyval)
 340                 {
 341                 case GDK_Left: case GDK_KP_Left:
 342                         x -= 1;
 343                         break;
 344                 case GDK_Right: case GDK_KP_Right:
 345                         x += 1;
 346                         break;
 347                 case GDK_Up: case GDK_KP_Up:
 348                         y -= 1;
 349                         break;
 350                 case GDK_Down: case GDK_KP_Down:
 351                         y += 1;
 352                         break;
 353                 default:
 354                         stop_signal = FALSE;
 355                         break;
 356                 }
 357
 358         if (x != 0 || y!= 0)
 359                 {
 360                 if (event->state & GDK_SHIFT_MASK)
 361                         {
 362                         x *= 3;
 363                         y *= 3;
 364                         }
 365
 366                 keyboard_scroll_calc(&x, &y, event);
 367                 image_scroll(imd, x, y);
 368                 }
 369
 370         if (stop_signal) return stop_signal;
 371
 372         if (event->state & GDK_CONTROL_MASK)
 373                 {
 374                 gint n = -1;
 375
 376                 stop_signal = TRUE;
 377                 switch (event->keyval)
 378                         {
 379                         case '1':
 380                                 n = 0;
 381                                 break;
 382                         case '2':
 383                                 n = 1;
 384                                 break;
 385                         case '3':
 386                                 n = 2;
 387                                 break;
 388                         case '4':
 389                                 n = 3;
 390                                 break;
 391                         case '5':
 392                                 n = 4;
 393                                 break;
 394                         case '6':
 395                                 n = 5;
 396                                 break;
 397                         case '7':
 398                                 n = 6;
 399                                 break;
 400                         case '8':
 401                                 n = 7;
 402                                 break;
 403                         case '9':
 404                                 n = 8;
 405                                 break;
 406                         case '0':
 407                                 n = 9;
 408                                 break;
 409                         case 'C': case 'c':
 410                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 411                                 break;
 412                         case 'M': case 'm':
 413                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 414                                 break;
 415                         case 'R': case 'r':
 416                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 417                                 break;
 418                         case 'D': case 'd':
 419                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 420                                 break;
 421                         case 'P': case 'p':
 422                                 info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
 423                                 break;
 424                         case 'W': case 'w':
 425                                 view_window_close(vw);
 426                                 break;
 427                         default:
 428                                 stop_signal = FALSE;
 429                                 break;
 430                         }
 431                 if (n != -1)
 432                         {
 433                         if (!editor_window_flag_set(n))
 434                                 {
 435                                 view_fullscreen_toggle(vw, TRUE);
 436                                 }
 437                         imd = view_window_active_image(vw);
 438                         start_editor_from_file(n, image_get_fd(imd));
 439                         }
 440                 }
 441         else if (event->state & GDK_SHIFT_MASK)
 442                 {
 443                 stop_signal = TRUE;
 444                 switch (event->keyval)
 445                         {
 446                         case 'R': case 'r':
 447                                 image_alter(imd, ALTER_ROTATE_180);
 448                                 break;
 449                         case 'M': case 'm':
 450                                 image_alter(imd, ALTER_MIRROR);
 451                                 break;
 452                         case 'F': case 'f':
 453                                 image_alter(imd, ALTER_FLIP);
 454                                 break;
 455                         case 'G': case 'g':
 456                                 image_alter(imd, ALTER_DESATURATE);
 457                                 break;
 458                         case 'P': case 'p':
 459                                 {
 460                                 FileData *fd;
 461
 462                                 view_fullscreen_toggle(vw, TRUE);
 463                                 imd = view_window_active_image(vw);
 464                                 fd = image_get_fd(imd);
 465                                 print_window_new(fd,
 466                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 467                                                  filelist_copy(vw->list), vw->window);
 468                                 }
 469                                 break;
 470                         default:
 471                                 stop_signal = FALSE;
 472                                 break;
 473                         }
 474                 }
 475         else
 476                 {
 477                 stop_signal = TRUE;
 478                 switch (event->keyval)
 479                         {
 480                         case GDK_Page_Up: case GDK_KP_Page_Up:
 481                         case GDK_BackSpace:
 482                         case 'B': case 'b':
 483                                 view_step_prev(vw);
 484                                 break;
 485                         case GDK_Page_Down: case GDK_KP_Page_Down:
 486                         case GDK_space:
 487                         case 'N': case 'n':
 488                                 view_step_next(vw);
 489                                 break;
 490                         case GDK_Home: case GDK_KP_Home:
 491                                 view_step_to_end(vw, FALSE);
 492                                 break;
 493                         case GDK_End: case GDK_KP_End:
 494                                 view_step_to_end(vw, TRUE);
 495                                 break;
 496                         case '+': case '=': case GDK_KP_Add:
 497                                 image_zoom_adjust(imd, get_zoom_increment());
 498                                 break;
 499                         case '-': case GDK_KP_Subtract:
 500                                 image_zoom_adjust(imd, -get_zoom_increment());
 501                                 break;
 502                         case 'X': case 'x': case GDK_KP_Multiply:
 503                                 image_zoom_set(imd, 0.0);
 504                                 break;
 505                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 506                                 image_zoom_set(imd, 1.0);
 507                                 break;
 508                         case '2':
 509                                 image_zoom_set(imd, 2.0);
 510                                 break;
 511                         case '3':
 512                                 image_zoom_set(imd, 3.0);
 513                                 break;
 514                         case '4':
 515                                 image_zoom_set(imd, 4.0);
 516                                 break;
 517                         case '7':
 518                                 image_zoom_set(imd, -4.0);
 519                                 break;
 520                         case '8':
 521                                 image_zoom_set(imd, -3.0);
 522                                 break;
 523                         case '9':
 524                                 image_zoom_set(imd, -2.0);
 525                                 break;
 526                         case 'W': case 'w':
 527                                 image_zoom_set_fill_geometry(imd, FALSE);
 528                                 break;
 529                         case 'H': case 'h':
 530                                 image_zoom_set_fill_geometry(imd, TRUE);
 531                                 break;
 532                         case 'R': case 'r':
 533                                 image_reload(imd);
 534                                 break;
 535                         case 'S': case 's':
 536                                 if (vw->ss)
 537                                         {
 538                                         view_slideshow_stop(vw);
 539                                         }
 540                                 else
 541                                         {
 542                                         view_slideshow_start(vw);
 543                                         }
 544                                 break;
 545                         case 'P': case 'p':
 546                                 slideshow_pause_toggle(vw->ss);
 547                                 break;
 548                         case 'F': case 'f':
 549                         case 'V': case 'v':
 550                         case GDK_F11:
 551                                 view_fullscreen_toggle(vw, FALSE);
 552                                 break;
 553                         case 'I': case 'i':
 554                                 view_overlay_toggle(vw);
 555                                 break;
 556                         case ']':
 557                                 image_alter(imd, ALTER_ROTATE_90);
 558                                 break;
 559                         case '[':
 560                                 image_alter(imd, ALTER_ROTATE_90_CC);
 561                                 break;
 562                         case GDK_Delete: case GDK_KP_Delete:
 563                                 if (options->file_ops.enable_delete_key)
 564                                         {
 565                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 566                                         }
 567                                 break;
 568                         case GDK_Escape:
 569                                 if (vw->fs)
 570                                         {
 571                                         view_fullscreen_toggle(vw, TRUE);
 572                                         }
 573                                 else
 574                                         {
 575                                         view_window_close(vw);
 576                                         }
 577                                 break;
 578                         case GDK_Menu:
 579                         case GDK_F10:
 580                                 menu = view_popup_menu(vw);
 581                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 582                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 583                                 break;
 584                         default:
 585                                 stop_signal = FALSE;
 586                                 break;
 587                         }
 588                 }
 589
 590         return stop_signal;
 591 }
 592
 593 /*
 594  *-----------------------------------------------------------------------------
 595  * view window main routines
 596  *-----------------------------------------------------------------------------
 597  */
 598
 599 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 600                       gdouble x, gdouble y, guint state, gpointer data)
 601 {
 602         ViewWindow *vw = data;
 603         GtkWidget *menu;
 604
 605         switch (button)
 606                 {
 607                 case MOUSE_BUTTON_LEFT:
 608                         view_step_next(vw);
 609                         break;
 610                 case MOUSE_BUTTON_MIDDLE:
 611                         view_step_prev(vw);
 612                         break;
 613                 case MOUSE_BUTTON_RIGHT:
 614                         menu = view_popup_menu(vw);
 615                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 616                         break;
 617                 default:
 618                         break;
 619                 }
 620 }
 621
 622 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 623                       gdouble x, gdouble y, guint state, gpointer data)
 624 {
 625         ViewWindow *vw = data;
 626
 627         if (state & GDK_CONTROL_MASK)
 628                 {
 629                 switch (direction)
 630                         {
 631                         case GDK_SCROLL_UP:
 632                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 633                                 break;
 634                         case GDK_SCROLL_DOWN:
 635                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 636                                 break;
 637                         default:
 638                                 break;
 639                         }
 640                 }
 641         else if ( (state & GDK_SHIFT_MASK) != (options->mousewheel_scrolls))
 642                 {
 643                 switch (direction)
 644                         {
 645                         case GDK_SCROLL_UP:
 646                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 647                                 break;
 648                         case GDK_SCROLL_DOWN:
 649                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 650                                 break;
 651                         case GDK_SCROLL_LEFT:
 652                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 653                                 break;
 654                         case GDK_SCROLL_RIGHT:
 655                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 656                                 break;
 657                         default:
 658                                 break;
 659                         }
 660                 }
 661         else
 662                 {
 663                 switch (direction)
 664                         {
 665                         case GDK_SCROLL_UP:
 666                                 view_step_prev(vw);
 667                                 break;
 668                         case GDK_SCROLL_DOWN:
 669                                 view_step_next(vw);
 670                                 break;
 671                         default:
 672                                 break;
 673                         }
 674                 }
 675 }
 676
 677 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 678 {
 679         image_set_button_func(imd, button_cb, vw);
 680         image_set_scroll_func(imd, scroll_cb, vw);
 681 }
 682
 683 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 684 {
 685         ViewWindow *vw = data;
 686
 687         vw->fs = NULL;
 688
 689         if (vw->ss) vw->ss->imd = vw->imd;
 690 }
 691
 692 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 693 {
 694         if (force_off && !vw->fs) return;
 695
 696         if (vw->fs)
 697                 {
 698                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 699                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 700
 701                 fullscreen_stop(vw->fs);
 702                 }
 703         else
 704                 {
 705                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 706
 707                 view_image_set_buttons(vw, vw->fs->imd);
 708                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 709                                  G_CALLBACK(view_window_key_press_cb), vw);
 710
 711                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 712
 713                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 714                         {
 715                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 716                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 717                         }
 718                 }
 719 }
 720
 721 static void view_overlay_toggle(ViewWindow *vw)
 722 {
 723         ImageWindow *imd;
 724
 725         imd = view_window_active_image(vw);
 726
 727         image_osd_toggle(imd);
 728 }
 729
 730 static void view_slideshow_next(ViewWindow *vw)
 731 {
 732         if (vw->ss) slideshow_next(vw->ss);
 733 }
 734
 735 static void view_slideshow_prev(ViewWindow *vw)
 736 {
 737         if (vw->ss) slideshow_prev(vw->ss);
 738 }
 739
 740 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 741 {
 742         ViewWindow *vw = data;
 743         GList *work;
 744         FileData *fd;
 745
 746         vw->ss = NULL;
 747
 748         work = vw->list;
 749         fd = image_get_fd(view_window_active_image(vw));
 750         while (work)
 751                 {
 752                 FileData *temp;
 753
 754                 temp = work->data;
 755                 if (fd == temp)
 756                         {
 757                         vw->list_pointer = work;
 758                         work = NULL;
 759                         }
 760                 else
 761                         {
 762                         work = work->next;
 763                         }
 764                 }
 765 }
 766
 767 static void view_slideshow_start(ViewWindow *vw)
 768 {
 769         if (!vw->ss)
 770                 {
 771                 CollectionData *cd;
 772                 CollectInfo *info;
 773
 774                 if (vw->list)
 775                         {
 776                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 777                                                                 filelist_copy(vw->list),
 778                                                                 view_slideshow_stop_func, vw);
 779                         vw->list_pointer = NULL;
 780                         return;
 781                         }
 782
 783                 cd = image_get_collection(view_window_active_image(vw), &info);
 784                 if (cd && info)
 785                         {
 786                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 787                                                                  view_slideshow_stop_func, vw, info);
 788                         }
 789                 }
 790 }
 791
 792 static void view_slideshow_stop(ViewWindow *vw)
 793 {
 794         if (vw->ss) slideshow_free(vw->ss);
 795 }
 796
 797 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 798 {
 799         ViewWindow *vw = data;
 800
 801         view_window_list = g_list_remove(view_window_list, vw);
 802
 803         view_slideshow_stop(vw);
 804         fullscreen_stop(vw->fs);
 805
 806         filelist_free(vw->list);
 807         g_free(vw);
 808 }
 809
 810 static void view_window_close(ViewWindow *vw)
 811 {
 812         view_slideshow_stop(vw);
 813         view_fullscreen_toggle(vw, TRUE);
 814         gtk_widget_destroy(vw->window);
 815 }
 816
 817 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 818 {
 819         ViewWindow *vw = data;
 820
 821         view_window_close(vw);
 822         return TRUE;
 823 }
 824
 825 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 826 {
 827         ViewWindow *vw;
 828         GtkAllocation req_size;
 829         GdkGeometry geometry;
 830         gint w, h;
 831
 832         if (!fd && !list && (!cd || !info)) return NULL;
 833
 834         vw = g_new0(ViewWindow, 1);
 835         vw->fs = NULL;
 836         vw->ss = NULL;
 837         vw->list = NULL;
 838         vw->list_pointer = NULL;
 839
 840         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 841
 842         geometry.min_width = 8;
 843         geometry.min_height = 8;
 844         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 845
 846         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 847         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 848
 849         vw->imd = image_new(FALSE);
 850
 851         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 852
 853         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 854
 855         image_auto_refresh(vw->imd, 0);
 856         image_top_window_set_sync(vw->imd, TRUE);
 857
 858         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 859         gtk_widget_show(vw->imd->widget);
 860
 861         view_window_dnd_init(vw);
 862
 863         view_image_set_buttons(vw, vw->imd);
 864
 865         g_signal_connect(G_OBJECT(vw->window), "destroy",
 866                          G_CALLBACK(view_window_destroy_cb), vw);
 867         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 868                          G_CALLBACK(view_window_delete_cb), vw);
 869         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 870                          G_CALLBACK(view_window_key_press_cb), vw);
 871         if (cd && info)
 872                 {
 873                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, options->image.zoom_mode));
 874                 if (options->image.enable_read_ahead)
 875                         {
 876                         CollectInfo * r_info = collection_next_by_info(cd, info);
 877                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 878                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 879                         }
 880                 }
 881         else if (list)
 882                 {
 883                 view_window_set_list(vw, list);
 884                 vw->list_pointer = vw->list;
 885                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL, options->image.zoom_mode));
 886
 887                 if (options->image.enable_read_ahead)
 888                         {
 889                         GList *work = vw->list->next;
 890                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 891                         }
 892                 }
 893         else
 894                 {
 895                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL, options->image.zoom_mode));
 896                 }
 897
 898         if (image_zoom_get(vw->imd) == 0.0)
 899                 {
 900                 image_get_image_size(vw->imd, &w, &h);
 901                 }
 902         else
 903                 {
 904                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 905                 }
 906         if (options->image.limit_window_size)
 907                 {
 908                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 909                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 910
 911                 if (w > mw) w = mw;
 912                 if (h > mh) h = mh;
 913                 }
 914
 915         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 916         req_size.x = req_size.y = 0;
 917         req_size.width = w;
 918         req_size.height = h;
 919         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 920
 921         gtk_widget_set_size_request(vw->imd->pr, w, h);
 922
 923         gtk_widget_show(vw->window);
 924
 925         view_window_list = g_list_append(view_window_list, vw);
 926
 927         return vw;
 928 }
 929
 930 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 931 {
 932         CollectionData *cd = data;
 933
 934         collection_unref(cd);
 935 }
 936
 937 void view_window_new(FileData *fd)
 938 {
 939         if (file_extension_match(fd->path, ".gqv"))
 940                 {
 941                 ViewWindow *vw;
 942                 CollectionData *cd;
 943                 CollectInfo *info;
 944
 945                 cd = collection_new(fd->path);
 946                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 947                         {
 948                         info = collection_get_first(cd);
 949                         }
 950                 else
 951                         {
 952                         collection_unref(cd);
 953                         cd = NULL;
 954                         info = NULL;
 955                         }
 956                 vw = real_view_window_new(NULL, NULL, cd, info);
 957                 if (vw && cd)
 958                         {
 959                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 960                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 961                         }
 962                 }
 963         else if (isdir(fd->path))
 964                 {
 965                 GList *list = NULL;
 966
 967                 if (filelist_read(fd->path, &list, NULL))
 968                         {
 969                         list = filelist_sort_path(list);
 970                         list = filelist_filter(list, FALSE);
 971                         }
 972                 real_view_window_new(NULL, list, NULL, NULL);
 973                 filelist_free(list);
 974                 }
 975         else
 976                 {
 977                 real_view_window_new(fd, NULL, NULL, NULL);
 978                 }
 979 }
 980
 981 void view_window_new_from_list(GList *list)
 982 {
 983         real_view_window_new(NULL, list, NULL, NULL);
 984 }
 985
 986 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 987 {
 988         real_view_window_new(NULL, NULL, cd, info);
 989 }
 990
 991 /*
 992  *-----------------------------------------------------------------------------
 993  * public
 994  *-----------------------------------------------------------------------------
 995  */
 996
 997 void view_window_colors_update(void)
 998 {
 999         GList *work;
1000
1001         work = view_window_list;
1002         while (work)
1003                 {
1004                 ViewWindow *vw = work->data;
1005                 work = work->next;
1006
1007                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1008                 }
1009 }
1010
1011 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1012 {
1013         GList *work;
1014
1015         work = view_window_list;
1016         while (work)
1017                 {
1018                 ViewWindow *vw = work->data;
1019                 work = work->next;
1020
1021                 if (vw->imd == imd ||
1022                     (vw->fs && vw->fs->imd == imd))
1023                         {
1024                         if (vw->ss)
1025                                 {
1026                                 gint n;
1027                                 gint t;
1028
1029                                 n = g_list_length(vw->ss->list_done);
1030                                 t = n + g_list_length(vw->ss->list);
1031                                 if (n == 0) n = t;
1032                                 if (index) *index = n - 1;
1033                                 if (total) *total = t;
1034                                 }
1035                         else
1036                                 {
1037                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1038                                 if (total) *total = g_list_length(vw->list);
1039                                 }
1040                         return TRUE;
1041                         }
1042                 }
1043
1044         return FALSE;
1045 }
1046
1047 /*
1048  *-----------------------------------------------------------------------------
1049  * view window menu routines and callbacks
1050  *-----------------------------------------------------------------------------
1051  */
1052
1053 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1054 {
1055         ViewWindow *vw = data;
1056         CollectionData *cd;
1057         CollectInfo *info;
1058
1059         cd = image_get_collection(vw->imd, &info);
1060
1061         if (cd && info)
1062                 {
1063                 view_window_new_from_collection(cd, info);
1064                 }
1065         else
1066                 {
1067                 view_window_new(image_get_fd(vw->imd));
1068                 }
1069 }
1070
1071 static void view_edit_cb(GtkWidget *widget, gpointer data)
1072 {
1073         ViewWindow *vw;
1074         ImageWindow *imd;
1075         gint n;
1076
1077         vw = submenu_item_get_data(widget);
1078         n = GPOINTER_TO_INT(data);
1079         if (!vw) return;
1080
1081         if (!editor_window_flag_set(n))
1082                 {
1083                 view_fullscreen_toggle(vw, TRUE);
1084                 }
1085
1086         imd = view_window_active_image(vw);
1087         start_editor_from_file(n, image_get_fd(imd));
1088 }
1089
1090 static void view_alter_cb(GtkWidget *widget, gpointer data)
1091 {
1092         ViewWindow *vw;
1093         AlterType type;
1094
1095         vw = submenu_item_get_data(widget);
1096         type = GPOINTER_TO_INT(data);
1097
1098         if (!vw) return;
1099         image_alter(vw->imd, type);
1100 }
1101
1102 static void view_info_cb(GtkWidget *widget, gpointer data)
1103 {
1104         ViewWindow *vw = data;
1105         ImageWindow *imd;
1106
1107         imd = view_window_active_image(vw);
1108         info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
1109 }
1110
1111 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1112 {
1113         ViewWindow *vw = data;
1114         ImageWindow *imd;
1115
1116         imd = view_window_active_image(vw);
1117         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1118 }
1119
1120 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1121 {
1122         ViewWindow *vw = data;
1123
1124         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1125 }
1126
1127 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1128 {
1129         ViewWindow *vw = data;
1130
1131         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1132 }
1133
1134 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1135 {
1136         ViewWindow *vw = data;
1137
1138         image_zoom_set(view_window_active_image(vw), 1.0);
1139 }
1140
1141 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1142 {
1143         ViewWindow *vw = data;
1144
1145         image_zoom_set(view_window_active_image(vw), 0.0);
1146 }
1147
1148 static void view_copy_cb(GtkWidget *widget, gpointer data)
1149 {
1150         ViewWindow *vw = data;
1151         ImageWindow *imd;
1152
1153         imd = view_window_active_image(vw);
1154         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1155 }
1156
1157 static void view_move_cb(GtkWidget *widget, gpointer data)
1158 {
1159         ViewWindow *vw = data;
1160         ImageWindow *imd;
1161
1162         imd = view_window_active_image(vw);
1163         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1164 }
1165
1166 static void view_rename_cb(GtkWidget *widget, gpointer data)
1167 {
1168         ViewWindow *vw = data;
1169         ImageWindow *imd;
1170
1171         imd = view_window_active_image(vw);
1172         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1173 }
1174
1175 static void view_delete_cb(GtkWidget *widget, gpointer data)
1176 {
1177         ViewWindow *vw = data;
1178         ImageWindow *imd;
1179
1180         imd = view_window_active_image(vw);
1181         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1182 }
1183
1184 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1185 {
1186         ViewWindow *vw = data;
1187         ImageWindow *imd;
1188
1189         imd = view_window_active_image(vw);
1190         file_util_copy_path_to_clipboard(image_get_fd(imd));
1191 }
1192
1193 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1194 {
1195         ViewWindow *vw = data;
1196
1197         view_fullscreen_toggle(vw, FALSE);
1198 }
1199
1200 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1201 {
1202         ViewWindow *vw = data;
1203
1204         view_slideshow_start(vw);
1205 }
1206
1207 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1208 {
1209         ViewWindow *vw = data;
1210
1211         view_slideshow_stop(vw);
1212 }
1213
1214 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1215 {
1216         ViewWindow *vw = data;
1217
1218         slideshow_pause_toggle(vw->ss);
1219 }
1220
1221 static void view_close_cb(GtkWidget *widget, gpointer data)
1222 {
1223         ViewWindow *vw = data;
1224
1225         view_window_close(vw);
1226 }
1227
1228 static LayoutWindow *view_new_layout_with_path(const gchar *path)
1229 {
1230         LayoutWindow *nw;
1231
1232         nw = layout_new(NULL, FALSE, FALSE);
1233         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1234         layout_set_path(nw, path);
1235         return nw;
1236 }
1237
1238
1239 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1240 {
1241         ViewWindow *vw = data;
1242         LayoutWindow *lw;
1243         const gchar *path;
1244         ImageWindow *imd;
1245
1246         imd = view_window_active_image(vw);
1247
1248         if (!imd || !imd->image_fd) return;
1249         path = imd->image_fd->path;
1250         if (!path) return;
1251
1252         lw = layout_find_by_image_fd(imd);
1253         if (lw)
1254                 layout_set_path(lw, path);
1255         else
1256                 view_new_layout_with_path(path);
1257         view_window_close(vw);
1258 }
1259
1260 static GtkWidget *view_popup_menu(ViewWindow *vw)
1261 {
1262         GtkWidget *menu;
1263         GtkWidget *item;
1264
1265         menu = popup_menu_short_lived();
1266
1267         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1268         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1269         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1270         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1271         menu_item_add_divider(menu);
1272
1273         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1274         menu_item_add_divider(item);
1275         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1276
1277         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1278
1279         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1280
1281         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1282         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1283
1284         menu_item_add_divider(menu);
1285         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1286         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1287         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1288         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1289         if (options->show_copy_path)
1290                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1291
1292         menu_item_add_divider(menu);
1293
1294         if (vw->ss)
1295                 {
1296                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1297                 if (slideshow_paused(vw->ss))
1298                         {
1299                         item = menu_item_add(menu, _("Continue slides_how"),
1300                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1301                         }
1302                 else
1303                         {
1304                         item = menu_item_add(menu, _("Pause slides_how"),
1305                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1306                         }
1307                 }
1308         else
1309                 {
1310                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1311                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1312                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1313                 gtk_widget_set_sensitive(item, FALSE);
1314                 }
1315
1316         if (vw->fs)
1317                 {
1318                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1319                 }
1320         else
1321                 {
1322                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1323                 }
1324
1325         menu_item_add_divider(menu);
1326         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1327
1328         return menu;
1329 }
1330
1331 /*
1332  *-------------------------------------------------------------------
1333  * dnd confirm dir
1334  *-------------------------------------------------------------------
1335  */
1336
1337 typedef struct {
1338         ViewWindow *vw;
1339         GList *list;
1340 } CViewConfirmD;
1341
1342 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1343 {
1344         /* do nothing */
1345 }
1346
1347 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1348 {
1349         GList *work;
1350
1351         view_window_set_list(vw, NULL);
1352
1353         work = list;
1354         while (work)
1355                 {
1356                 FileData *fd = work->data;
1357                 work = work->next;
1358
1359                 if (isdir(fd->path))
1360                         {
1361                         if (!skip)
1362                                 {
1363                                 GList *list = NULL;
1364
1365                                 if (recurse)
1366                                         {
1367                                         list = filelist_recursive(fd->path);
1368                                         }
1369                                 else
1370                                         { /*FIXME */
1371                                         filelist_read(fd->path, &list, NULL);
1372                                         list = filelist_sort_path(list);
1373                                         list = filelist_filter(list, FALSE);
1374                                         }
1375                                 if (list) vw->list = g_list_concat(vw->list, list);
1376                                 }
1377                         }
1378                 else
1379                         {
1380                         /* FIXME: no filtering here */
1381                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1382                         }
1383                 }
1384
1385         if (vw->list)
1386                 {
1387                 FileData *fd;
1388
1389                 vw->list_pointer = vw->list;
1390                 fd = vw->list->data;
1391                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1392
1393                 work = vw->list->next;
1394                 if (options->image.enable_read_ahead && work)
1395                         {
1396                         fd = work->data;
1397                         image_prebuffer_set(vw->imd, fd);
1398                         }
1399                 }
1400         else
1401                 {
1402                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1403                 }
1404 }
1405
1406 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1407 {
1408         CViewConfirmD *d = data;
1409         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1410 }
1411
1412 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1413 {
1414         CViewConfirmD *d = data;
1415         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1416 }
1417
1418 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1419 {
1420         CViewConfirmD *d = data;
1421         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1422 }
1423
1424 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1425 {
1426         CViewConfirmD *d = data;
1427         filelist_free(d->list);
1428         g_free(d);
1429 }
1430
1431 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1432 {
1433         GtkWidget *menu;
1434         CViewConfirmD *d;
1435
1436         d = g_new(CViewConfirmD, 1);
1437         d->vw = vw;
1438         d->list = list;
1439
1440         menu = popup_menu_short_lived();
1441         g_signal_connect(G_OBJECT(menu), "destroy",
1442                          G_CALLBACK(view_dir_list_destroy), d);
1443
1444         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1445         menu_item_add_divider(menu);
1446         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1447         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1448         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1449         menu_item_add_divider(menu);
1450         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1451
1452         return menu;
1453 }
1454
1455 /*
1456  *-----------------------------------------------------------------------------
1457  * image drag and drop routines
1458  *-----------------------------------------------------------------------------
1459  */
1460
1461 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1462                                      gint x, gint y,
1463                                      GtkSelectionData *selection_data, guint info,
1464                                      guint time, gpointer data)
1465 {
1466         ViewWindow *vw = data;
1467         ImageWindow *imd;
1468
1469         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1470
1471         imd = vw->imd;
1472
1473         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1474                 {
1475                 CollectionData *source;
1476                 GList *list;
1477                 GList *info_list;
1478
1479                 if (info == TARGET_URI_LIST)
1480                         {
1481                         GList *work;
1482
1483                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1484
1485                         work = list;
1486                         while (work)
1487                                 {
1488                                 FileData *fd = work->data;
1489                                 if (isdir(fd->path))
1490                                         {
1491                                         GtkWidget *menu;
1492                                         menu = view_confirm_dir_list(vw, list);
1493                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1494                                         return;
1495                                         }
1496                                 work = work->next;
1497                                 }
1498
1499                         list = filelist_filter(list, FALSE);
1500
1501                         source = NULL;
1502                         info_list = NULL;
1503                         }
1504                 else
1505                         {
1506                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1507                         }
1508
1509                 if (list)
1510                         {
1511                         FileData *fd;
1512
1513                         fd = list->data;
1514                         if (isfile(fd->path))
1515                                 {
1516                                 view_slideshow_stop(vw);
1517                                 view_window_set_list(vw, NULL);
1518
1519                                 if (source && info_list)
1520                                         {
1521                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, options->image.zoom_mode));
1522                                         }
1523                                 else
1524                                         {
1525                                         if (list->next)
1526                                                 {
1527                                                 vw->list = list;
1528                                                 list = NULL;
1529
1530                                                 vw->list_pointer = vw->list;
1531                                                 }
1532                                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1533                                         }
1534                                 }
1535                         }
1536                 filelist_free(list);
1537                 g_list_free(info_list);
1538                 }
1539 }
1540
1541 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1542                                      GtkSelectionData *selection_data, guint info,
1543                                      guint time, gpointer data)
1544 {
1545         ViewWindow *vw = data;
1546         FileData *fd;
1547
1548         fd = image_get_fd(vw->imd);
1549
1550         if (fd)
1551                 {
1552                 gchar *text = NULL;
1553                 gint len;
1554                 gint plain_text;
1555                 GList *list;
1556
1557                 switch (info)
1558                         {
1559                         case TARGET_URI_LIST:
1560                                 plain_text = FALSE;
1561                                 break;
1562                         case TARGET_TEXT_PLAIN:
1563                         default:
1564                                 plain_text = TRUE;
1565                                 break;
1566                         }
1567                 list = g_list_append(NULL, fd);
1568                 text = uri_text_from_filelist(list, &len, plain_text);
1569                 g_list_free(list);
1570                 if (text)
1571                         {
1572                         gtk_selection_data_set(selection_data, selection_data->target,
1573                                                8, (guchar *)text, len);
1574                         g_free(text);
1575                         }
1576                 }
1577         else
1578                 {
1579                 gtk_selection_data_set(selection_data, selection_data->target,
1580                                        8, NULL, 0);
1581                 }
1582 }
1583
1584 static void view_window_dnd_init(ViewWindow *vw)
1585 {
1586         ImageWindow *imd;
1587
1588         imd = vw->imd;
1589
1590         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1591                             dnd_file_drag_types, dnd_file_drag_types_count,
1592                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1593         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1594                          G_CALLBACK(view_window_set_dnd_data), vw);
1595
1596         gtk_drag_dest_set(imd->pr,
1597                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1598                           dnd_file_drop_types, dnd_file_drop_types_count,
1599                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1600         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1601                          G_CALLBACK(view_window_get_dnd_data), vw);
1602 }
1603
1604 /*
1605  *-----------------------------------------------------------------------------
1606  * maintenance (for rename, move, remove)
1607  *-----------------------------------------------------------------------------
1608  */
1609
1610 static void view_real_removed(ViewWindow *vw, FileData *fd, GList *ignore_list)
1611 {
1612         ImageWindow *imd;
1613         FileData *image_fd;
1614
1615         imd = view_window_active_image(vw);
1616         image_fd = image_get_fd(imd);
1617
1618         if (image_fd && image_fd == fd)
1619                 {
1620                 if (vw->list)
1621                         {
1622                         view_list_step(vw, TRUE);
1623                         if (image_get_fd(imd) == image_fd)
1624                                 {
1625                                 view_list_step(vw, FALSE);
1626                                 }
1627                         }
1628                 else if (view_window_contains_collection(vw))
1629                         {
1630                         view_collection_step(vw, TRUE);
1631                         if (image_get_fd(imd) == image_fd)
1632                                 {
1633                                 view_collection_step(vw, FALSE);
1634                                 }
1635                         }
1636                 if (image_get_fd(imd) == image_fd)
1637                         {
1638                         image_change_fd(imd, NULL, image_zoom_get_default(imd, options->image.zoom_mode));
1639                         }
1640                 }
1641
1642         if (vw->list)
1643                 {
1644                 GList *work;
1645                 GList *old;
1646
1647                 old = vw->list_pointer;
1648
1649                 work = vw->list;
1650                 while (work)
1651                         {
1652                         FileData *chk_fd;
1653                         GList *chk_link;
1654
1655                         chk_fd = work->data;
1656                         chk_link = work;
1657                         work = work->next;
1658
1659                         if (chk_fd == fd)
1660                                 {
1661                                 if (vw->list_pointer == chk_link)
1662                                         {
1663                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1664                                         }
1665                                 vw->list = g_list_remove(vw->list, chk_fd);
1666                                 file_data_unref(chk_fd);
1667                                 }
1668                         }
1669
1670                 /* handles stepping correctly when same image is in the list more than once */
1671                 if (old && old != vw->list_pointer)
1672                         {
1673                         FileData *fd;
1674
1675                         if (vw->list_pointer)
1676                                 {
1677                                 fd = vw->list_pointer->data;
1678                                 }
1679                         else
1680                                 {
1681                                 fd = NULL;
1682                                 }
1683
1684                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1685                         }
1686                 }
1687
1688         image_osd_update(imd);
1689 }
1690
1691 static void view_real_moved(ViewWindow *vw, FileData *fd)
1692 {
1693 /*
1694         ImageWindow *imd;
1695         const gchar *image_path;
1696
1697         imd = view_window_active_image(vw);
1698 */
1699 /*
1700         image_path = image_get_path(imd);
1701
1702         if (image_path && strcmp(image_path, fd->change->source) == 0)
1703                 {
1704                 image_set_fd(imd, dest);
1705                 }
1706 */
1707 /*
1708         if (vw->list)
1709                 {
1710                 GList *work;
1711                 work = vw->list;
1712                 while (work)
1713                         {
1714                         gchar *chk_path;
1715
1716                         chk_path = work->data;
1717
1718                         if (strcmp(chk_path, source) == 0)
1719                                 {
1720                                 work->data = g_strdup(dest);
1721                                 g_free(chk_path);
1722                                 }
1723
1724                         work = work->next;
1725                         }
1726                 }
1727 */
1728 }
1729
1730 void view_window_maint_removed(FileData *fd, GList *ignore_list)
1731 {
1732         GList *work = view_window_list;
1733         while (work)
1734                 {
1735                 ViewWindow *vw = work->data;
1736                 work = work->next;
1737
1738                 view_real_removed(vw, fd, ignore_list);
1739                 }
1740 }
1741
1742 void view_window_maint_moved(FileData *fd)
1743 {
1744         GList *work = view_window_list;
1745         while (work)
1746                 {
1747                 ViewWindow *vw = work->data;
1748                 work = work->next;
1749
1750                 view_real_moved(vw, fd);
1751                 }
1752 }