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