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 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 601 {
 602         ViewWindow *vw = data;
 603         GtkWidget *menu;
 604
 605         switch (event->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, event->time);
 616                         break;
 617                 default:
 618                         break;
 619                 }
 620 }
 621
 622 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 623 {
 624         ViewWindow *vw = data;
 625
 626         if (event->state & GDK_CONTROL_MASK)
 627                 {
 628                 switch (event->direction)
 629                         {
 630                         case GDK_SCROLL_UP:
 631                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 632                                 break;
 633                         case GDK_SCROLL_DOWN:
 634                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 635                                 break;
 636                         default:
 637                                 break;
 638                         }
 639                 }
 640         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 641                 {
 642                 switch (event->direction)
 643                         {
 644                         case GDK_SCROLL_UP:
 645                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 646                                 break;
 647                         case GDK_SCROLL_DOWN:
 648                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 649                                 break;
 650                         case GDK_SCROLL_LEFT:
 651                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 652                                 break;
 653                         case GDK_SCROLL_RIGHT:
 654                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 655                                 break;
 656                         default:
 657                                 break;
 658                         }
 659                 }
 660         else
 661                 {
 662                 switch (event->direction)
 663                         {
 664                         case GDK_SCROLL_UP:
 665                                 view_step_prev(vw);
 666                                 break;
 667                         case GDK_SCROLL_DOWN:
 668                                 view_step_next(vw);
 669                                 break;
 670                         default:
 671                                 break;
 672                         }
 673                 }
 674 }
 675
 676 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 677 {
 678         image_set_button_func(imd, button_cb, vw);
 679         image_set_scroll_func(imd, scroll_cb, vw);
 680 }
 681
 682 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 683 {
 684         ViewWindow *vw = data;
 685
 686         vw->fs = NULL;
 687
 688         if (vw->ss) vw->ss->imd = vw->imd;
 689 }
 690
 691 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 692 {
 693         if (force_off && !vw->fs) return;
 694
 695         if (vw->fs)
 696                 {
 697                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 698                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 699
 700                 fullscreen_stop(vw->fs);
 701                 }
 702         else
 703                 {
 704                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 705
 706                 view_image_set_buttons(vw, vw->fs->imd);
 707                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 708                                  G_CALLBACK(view_window_key_press_cb), vw);
 709
 710                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 711
 712                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 713                         {
 714                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 715                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 716                         }
 717                 }
 718 }
 719
 720 static void view_overlay_toggle(ViewWindow *vw)
 721 {
 722         ImageWindow *imd;
 723
 724         imd = view_window_active_image(vw);
 725
 726         image_osd_toggle(imd);
 727 }
 728
 729 static void view_slideshow_next(ViewWindow *vw)
 730 {
 731         if (vw->ss) slideshow_next(vw->ss);
 732 }
 733
 734 static void view_slideshow_prev(ViewWindow *vw)
 735 {
 736         if (vw->ss) slideshow_prev(vw->ss);
 737 }
 738
 739 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 740 {
 741         ViewWindow *vw = data;
 742         GList *work;
 743         FileData *fd;
 744
 745         vw->ss = NULL;
 746
 747         work = vw->list;
 748         fd = image_get_fd(view_window_active_image(vw));
 749         while (work)
 750                 {
 751                 FileData *temp;
 752
 753                 temp = work->data;
 754                 if (fd == temp)
 755                         {
 756                         vw->list_pointer = work;
 757                         work = NULL;
 758                         }
 759                 else
 760                         {
 761                         work = work->next;
 762                         }
 763                 }
 764 }
 765
 766 static void view_slideshow_start(ViewWindow *vw)
 767 {
 768         if (!vw->ss)
 769                 {
 770                 CollectionData *cd;
 771                 CollectInfo *info;
 772
 773                 if (vw->list)
 774                         {
 775                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 776                                                                 filelist_copy(vw->list),
 777                                                                 view_slideshow_stop_func, vw);
 778                         vw->list_pointer = NULL;
 779                         return;
 780                         }
 781
 782                 cd = image_get_collection(view_window_active_image(vw), &info);
 783                 if (cd && info)
 784                         {
 785                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 786                                                                  view_slideshow_stop_func, vw, info);
 787                         }
 788                 }
 789 }
 790
 791 static void view_slideshow_stop(ViewWindow *vw)
 792 {
 793         if (vw->ss) slideshow_free(vw->ss);
 794 }
 795
 796 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 797 {
 798         ViewWindow *vw = data;
 799
 800         view_window_list = g_list_remove(view_window_list, vw);
 801
 802         view_slideshow_stop(vw);
 803         fullscreen_stop(vw->fs);
 804
 805         filelist_free(vw->list);
 806
 807         file_data_unregister_notify_func(view_window_notify_cb, vw);
 808
 809         g_free(vw);
 810 }
 811
 812 static void view_window_close(ViewWindow *vw)
 813 {
 814         view_slideshow_stop(vw);
 815         view_fullscreen_toggle(vw, TRUE);
 816         gtk_widget_destroy(vw->window);
 817 }
 818
 819 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 820 {
 821         ViewWindow *vw = data;
 822
 823         view_window_close(vw);
 824         return TRUE;
 825 }
 826
 827 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 828 {
 829         ViewWindow *vw;
 830         GtkAllocation req_size;
 831         GdkGeometry geometry;
 832         gint w, h;
 833
 834         if (!fd && !list && (!cd || !info)) return NULL;
 835
 836         vw = g_new0(ViewWindow, 1);
 837         vw->fs = NULL;
 838         vw->ss = NULL;
 839         vw->list = NULL;
 840         vw->list_pointer = NULL;
 841
 842         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 843
 844         geometry.min_width = 8;
 845         geometry.min_height = 8;
 846         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 847
 848         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 849         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 850
 851         vw->imd = image_new(FALSE);
 852
 853         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 854
 855         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 856
 857         image_auto_refresh(vw->imd, 0);
 858         image_top_window_set_sync(vw->imd, TRUE);
 859
 860         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 861         gtk_widget_show(vw->imd->widget);
 862
 863         view_window_dnd_init(vw);
 864
 865         view_image_set_buttons(vw, vw->imd);
 866
 867         g_signal_connect(G_OBJECT(vw->window), "destroy",
 868                          G_CALLBACK(view_window_destroy_cb), vw);
 869         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 870                          G_CALLBACK(view_window_delete_cb), vw);
 871         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 872                          G_CALLBACK(view_window_key_press_cb), vw);
 873         if (cd && info)
 874                 {
 875                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, options->image.zoom_mode));
 876                 if (options->image.enable_read_ahead)
 877                         {
 878                         CollectInfo * r_info = collection_next_by_info(cd, info);
 879                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 880                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 881                         }
 882                 }
 883         else if (list)
 884                 {
 885                 view_window_set_list(vw, list);
 886                 vw->list_pointer = vw->list;
 887                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL, options->image.zoom_mode));
 888
 889                 if (options->image.enable_read_ahead)
 890                         {
 891                         GList *work = vw->list->next;
 892                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 893                         }
 894                 }
 895         else
 896                 {
 897                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL, options->image.zoom_mode));
 898                 }
 899
 900         if (image_zoom_get(vw->imd) == 0.0)
 901                 {
 902                 image_get_image_size(vw->imd, &w, &h);
 903                 }
 904         else
 905                 {
 906                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 907                 }
 908         if (options->image.limit_window_size)
 909                 {
 910                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 911                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 912
 913                 if (w > mw) w = mw;
 914                 if (h > mh) h = mh;
 915                 }
 916
 917         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 918         req_size.x = req_size.y = 0;
 919         req_size.width = w;
 920         req_size.height = h;
 921         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 922
 923         gtk_widget_set_size_request(vw->imd->pr, w, h);
 924
 925         gtk_widget_show(vw->window);
 926
 927         view_window_list = g_list_append(view_window_list, vw);
 928
 929         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 930
 931         return vw;
 932 }
 933
 934 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 935 {
 936         CollectionData *cd = data;
 937
 938         collection_unref(cd);
 939 }
 940
 941 void view_window_new(FileData *fd)
 942 {
 943         GList *list;
 944
 945         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 946                 {
 947                 ViewWindow *vw;
 948                 CollectionData *cd;
 949                 CollectInfo *info;
 950
 951                 cd = collection_new(fd->path);
 952                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 953                         {
 954                         info = collection_get_first(cd);
 955                         }
 956                 else
 957                         {
 958                         collection_unref(cd);
 959                         cd = NULL;
 960                         info = NULL;
 961                         }
 962                 vw = real_view_window_new(NULL, NULL, cd, info);
 963                 if (vw && cd)
 964                         {
 965                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 966                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 967                         }
 968                 }
 969         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 970                 {
 971                 list = filelist_sort_path(list);
 972                 list = filelist_filter(list, FALSE);
 973                 real_view_window_new(NULL, list, NULL, NULL);
 974                 filelist_free(list);
 975                 }
 976         else
 977                 {
 978                 real_view_window_new(fd, NULL, NULL, NULL);
 979                 }
 980 }
 981
 982 void view_window_new_from_list(GList *list)
 983 {
 984         real_view_window_new(NULL, list, NULL, NULL);
 985 }
 986
 987 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 988 {
 989         real_view_window_new(NULL, NULL, cd, info);
 990 }
 991
 992 /*
 993  *-----------------------------------------------------------------------------
 994  * public
 995  *-----------------------------------------------------------------------------
 996  */
 997
 998 void view_window_colors_update(void)
 999 {
1000         GList *work;
1001
1002         work = view_window_list;
1003         while (work)
1004                 {
1005                 ViewWindow *vw = work->data;
1006                 work = work->next;
1007
1008                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1009                 }
1010 }
1011
1012 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1013 {
1014         GList *work;
1015
1016         work = view_window_list;
1017         while (work)
1018                 {
1019                 ViewWindow *vw = work->data;
1020                 work = work->next;
1021
1022                 if (vw->imd == imd ||
1023                     (vw->fs && vw->fs->imd == imd))
1024                         {
1025                         if (vw->ss)
1026                                 {
1027                                 gint n;
1028                                 gint t;
1029
1030                                 n = g_list_length(vw->ss->list_done);
1031                                 t = n + g_list_length(vw->ss->list);
1032                                 if (n == 0) n = t;
1033                                 if (index) *index = n - 1;
1034                                 if (total) *total = t;
1035                                 }
1036                         else
1037                                 {
1038                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1039                                 if (total) *total = g_list_length(vw->list);
1040                                 }
1041                         return TRUE;
1042                         }
1043                 }
1044
1045         return FALSE;
1046 }
1047
1048 /*
1049  *-----------------------------------------------------------------------------
1050  * view window menu routines and callbacks
1051  *-----------------------------------------------------------------------------
1052  */
1053
1054 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1055 {
1056         ViewWindow *vw = data;
1057         CollectionData *cd;
1058         CollectInfo *info;
1059
1060         cd = image_get_collection(vw->imd, &info);
1061
1062         if (cd && info)
1063                 {
1064                 view_window_new_from_collection(cd, info);
1065                 }
1066         else
1067                 {
1068                 view_window_new(image_get_fd(vw->imd));
1069                 }
1070 }
1071
1072 static void view_edit_cb(GtkWidget *widget, gpointer data)
1073 {
1074         ViewWindow *vw;
1075         ImageWindow *imd;
1076         gint n;
1077
1078         vw = submenu_item_get_data(widget);
1079         n = GPOINTER_TO_INT(data);
1080         if (!vw) return;
1081
1082         if (!editor_window_flag_set(n))
1083                 {
1084                 view_fullscreen_toggle(vw, TRUE);
1085                 }
1086
1087         imd = view_window_active_image(vw);
1088         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
1089 }
1090
1091 static void view_alter_cb(GtkWidget *widget, gpointer data)
1092 {
1093         ViewWindow *vw;
1094         AlterType type;
1095
1096         vw = submenu_item_get_data(widget);
1097         type = GPOINTER_TO_INT(data);
1098
1099         if (!vw) return;
1100         image_alter(vw->imd, type);
1101 }
1102
1103 static void view_info_cb(GtkWidget *widget, gpointer data)
1104 {
1105         ViewWindow *vw = data;
1106         ImageWindow *imd;
1107
1108         imd = view_window_active_image(vw);
1109         info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
1110 }
1111
1112 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1113 {
1114         ViewWindow *vw = data;
1115         ImageWindow *imd;
1116
1117         imd = view_window_active_image(vw);
1118         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1119 }
1120
1121 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1122 {
1123         ViewWindow *vw = data;
1124
1125         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1126 }
1127
1128 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1129 {
1130         ViewWindow *vw = data;
1131
1132         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1133 }
1134
1135 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1136 {
1137         ViewWindow *vw = data;
1138
1139         image_zoom_set(view_window_active_image(vw), 1.0);
1140 }
1141
1142 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1143 {
1144         ViewWindow *vw = data;
1145
1146         image_zoom_set(view_window_active_image(vw), 0.0);
1147 }
1148
1149 static void view_copy_cb(GtkWidget *widget, gpointer data)
1150 {
1151         ViewWindow *vw = data;
1152         ImageWindow *imd;
1153
1154         imd = view_window_active_image(vw);
1155         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1156 }
1157
1158 static void view_move_cb(GtkWidget *widget, gpointer data)
1159 {
1160         ViewWindow *vw = data;
1161         ImageWindow *imd;
1162
1163         imd = view_window_active_image(vw);
1164         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1165 }
1166
1167 static void view_rename_cb(GtkWidget *widget, gpointer data)
1168 {
1169         ViewWindow *vw = data;
1170         ImageWindow *imd;
1171
1172         imd = view_window_active_image(vw);
1173         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1174 }
1175
1176 static void view_delete_cb(GtkWidget *widget, gpointer data)
1177 {
1178         ViewWindow *vw = data;
1179         ImageWindow *imd;
1180
1181         imd = view_window_active_image(vw);
1182         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1183 }
1184
1185 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1186 {
1187         ViewWindow *vw = data;
1188         ImageWindow *imd;
1189
1190         imd = view_window_active_image(vw);
1191         file_util_copy_path_to_clipboard(image_get_fd(imd));
1192 }
1193
1194 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1195 {
1196         ViewWindow *vw = data;
1197
1198         view_fullscreen_toggle(vw, FALSE);
1199 }
1200
1201 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1202 {
1203         ViewWindow *vw = data;
1204
1205         view_slideshow_start(vw);
1206 }
1207
1208 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1209 {
1210         ViewWindow *vw = data;
1211
1212         view_slideshow_stop(vw);
1213 }
1214
1215 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1216 {
1217         ViewWindow *vw = data;
1218
1219         slideshow_pause_toggle(vw->ss);
1220 }
1221
1222 static void view_close_cb(GtkWidget *widget, gpointer data)
1223 {
1224         ViewWindow *vw = data;
1225
1226         view_window_close(vw);
1227 }
1228
1229 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1230 {
1231         LayoutWindow *nw;
1232
1233         nw = layout_new(NULL, FALSE, FALSE);
1234         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1235         layout_set_fd(nw, fd);
1236         return nw;
1237 }
1238
1239
1240 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1241 {
1242         ViewWindow *vw = data;
1243         LayoutWindow *lw;
1244         ImageWindow *imd;
1245
1246         imd = view_window_active_image(vw);
1247
1248         if (!imd || !imd->image_fd) return;
1249
1250         lw = layout_find_by_image_fd(imd);
1251         if (lw)
1252                 layout_set_fd(lw, imd->image_fd);
1253         else
1254                 view_new_layout_with_fd(imd->image_fd);
1255         view_window_close(vw);
1256 }
1257
1258 static GtkWidget *view_popup_menu(ViewWindow *vw)
1259 {
1260         GtkWidget *menu;
1261         GtkWidget *item;
1262
1263         menu = popup_menu_short_lived();
1264
1265         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1266         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1267         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1268         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1269         menu_item_add_divider(menu);
1270
1271         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1272         menu_item_add_divider(item);
1273         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1274
1275         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1276
1277         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1278
1279         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1280         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1281
1282         menu_item_add_divider(menu);
1283         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1284         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1285         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1286         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1287         if (options->show_copy_path)
1288                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1289
1290         menu_item_add_divider(menu);
1291
1292         if (vw->ss)
1293                 {
1294                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1295                 if (slideshow_paused(vw->ss))
1296                         {
1297                         item = menu_item_add(menu, _("Continue slides_how"),
1298                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1299                         }
1300                 else
1301                         {
1302                         item = menu_item_add(menu, _("Pause slides_how"),
1303                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1304                         }
1305                 }
1306         else
1307                 {
1308                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1309                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1310                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1311                 gtk_widget_set_sensitive(item, FALSE);
1312                 }
1313
1314         if (vw->fs)
1315                 {
1316                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1317                 }
1318         else
1319                 {
1320                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1321                 }
1322
1323         menu_item_add_divider(menu);
1324         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1325
1326         return menu;
1327 }
1328
1329 /*
1330  *-------------------------------------------------------------------
1331  * dnd confirm dir
1332  *-------------------------------------------------------------------
1333  */
1334
1335 typedef struct {
1336         ViewWindow *vw;
1337         GList *list;
1338 } CViewConfirmD;
1339
1340 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1341 {
1342         /* do nothing */
1343 }
1344
1345 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1346 {
1347         GList *work;
1348
1349         view_window_set_list(vw, NULL);
1350
1351         work = list;
1352         while (work)
1353                 {
1354                 FileData *fd = work->data;
1355                 work = work->next;
1356
1357                 if (isdir(fd->path))
1358                         {
1359                         if (!skip)
1360                                 {
1361                                 GList *list = NULL;
1362
1363                                 if (recurse)
1364                                         {
1365                                         list = filelist_recursive(fd);
1366                                         }
1367                                 else
1368                                         { /*FIXME */
1369                                         filelist_read(fd, &list, NULL);
1370                                         list = filelist_sort_path(list);
1371                                         list = filelist_filter(list, FALSE);
1372                                         }
1373                                 if (list) vw->list = g_list_concat(vw->list, list);
1374                                 }
1375                         }
1376                 else
1377                         {
1378                         /* FIXME: no filtering here */
1379                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1380                         }
1381                 }
1382
1383         if (vw->list)
1384                 {
1385                 FileData *fd;
1386
1387                 vw->list_pointer = vw->list;
1388                 fd = vw->list->data;
1389                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1390
1391                 work = vw->list->next;
1392                 if (options->image.enable_read_ahead && work)
1393                         {
1394                         fd = work->data;
1395                         image_prebuffer_set(vw->imd, fd);
1396                         }
1397                 }
1398         else
1399                 {
1400                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1401                 }
1402 }
1403
1404 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1405 {
1406         CViewConfirmD *d = data;
1407         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1408 }
1409
1410 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1411 {
1412         CViewConfirmD *d = data;
1413         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1414 }
1415
1416 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1417 {
1418         CViewConfirmD *d = data;
1419         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1420 }
1421
1422 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1423 {
1424         CViewConfirmD *d = data;
1425         filelist_free(d->list);
1426         g_free(d);
1427 }
1428
1429 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1430 {
1431         GtkWidget *menu;
1432         CViewConfirmD *d;
1433
1434         d = g_new(CViewConfirmD, 1);
1435         d->vw = vw;
1436         d->list = list;
1437
1438         menu = popup_menu_short_lived();
1439         g_signal_connect(G_OBJECT(menu), "destroy",
1440                          G_CALLBACK(view_dir_list_destroy), d);
1441
1442         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1443         menu_item_add_divider(menu);
1444         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1445         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1446         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1447         menu_item_add_divider(menu);
1448         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1449
1450         return menu;
1451 }
1452
1453 /*
1454  *-----------------------------------------------------------------------------
1455  * image drag and drop routines
1456  *-----------------------------------------------------------------------------
1457  */
1458
1459 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1460                                      gint x, gint y,
1461                                      GtkSelectionData *selection_data, guint info,
1462                                      guint time, gpointer data)
1463 {
1464         ViewWindow *vw = data;
1465         ImageWindow *imd;
1466
1467         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1468
1469         imd = vw->imd;
1470
1471         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1472                 {
1473                 CollectionData *source;
1474                 GList *list;
1475                 GList *info_list;
1476
1477                 if (info == TARGET_URI_LIST)
1478                         {
1479                         GList *work;
1480
1481                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1482
1483                         work = list;
1484                         while (work)
1485                                 {
1486                                 FileData *fd = work->data;
1487                                 if (isdir(fd->path))
1488                                         {
1489                                         GtkWidget *menu;
1490                                         menu = view_confirm_dir_list(vw, list);
1491                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1492                                         return;
1493                                         }
1494                                 work = work->next;
1495                                 }
1496
1497                         list = filelist_filter(list, FALSE);
1498
1499                         source = NULL;
1500                         info_list = NULL;
1501                         }
1502                 else
1503                         {
1504                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1505                         }
1506
1507                 if (list)
1508                         {
1509                         FileData *fd;
1510
1511                         fd = list->data;
1512                         if (isfile(fd->path))
1513                                 {
1514                                 view_slideshow_stop(vw);
1515                                 view_window_set_list(vw, NULL);
1516
1517                                 if (source && info_list)
1518                                         {
1519                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, options->image.zoom_mode));
1520                                         }
1521                                 else
1522                                         {
1523                                         if (list->next)
1524                                                 {
1525                                                 vw->list = list;
1526                                                 list = NULL;
1527
1528                                                 vw->list_pointer = vw->list;
1529                                                 }
1530                                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1531                                         }
1532                                 }
1533                         }
1534                 filelist_free(list);
1535                 g_list_free(info_list);
1536                 }
1537 }
1538
1539 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1540                                      GtkSelectionData *selection_data, guint info,
1541                                      guint time, gpointer data)
1542 {
1543         ViewWindow *vw = data;
1544         FileData *fd;
1545
1546         fd = image_get_fd(vw->imd);
1547
1548         if (fd)
1549                 {
1550                 gchar *text = NULL;
1551                 gint len;
1552                 gint plain_text;
1553                 GList *list;
1554
1555                 switch (info)
1556                         {
1557                         case TARGET_URI_LIST:
1558                                 plain_text = FALSE;
1559                                 break;
1560                         case TARGET_TEXT_PLAIN:
1561                         default:
1562                                 plain_text = TRUE;
1563                                 break;
1564                         }
1565                 list = g_list_append(NULL, fd);
1566                 text = uri_text_from_filelist(list, &len, plain_text);
1567                 g_list_free(list);
1568                 if (text)
1569                         {
1570                         gtk_selection_data_set(selection_data, selection_data->target,
1571                                                8, (guchar *)text, len);
1572                         g_free(text);
1573                         }
1574                 }
1575         else
1576                 {
1577                 gtk_selection_data_set(selection_data, selection_data->target,
1578                                        8, NULL, 0);
1579                 }
1580 }
1581
1582 static void view_window_dnd_init(ViewWindow *vw)
1583 {
1584         ImageWindow *imd;
1585
1586         imd = vw->imd;
1587
1588         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1589                             dnd_file_drag_types, dnd_file_drag_types_count,
1590                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1591         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1592                          G_CALLBACK(view_window_set_dnd_data), vw);
1593
1594         gtk_drag_dest_set(imd->pr,
1595                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1596                           dnd_file_drop_types, dnd_file_drop_types_count,
1597                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1598         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1599                          G_CALLBACK(view_window_get_dnd_data), vw);
1600 }
1601
1602 /*
1603  *-----------------------------------------------------------------------------
1604  * maintenance (for rename, move, remove)
1605  *-----------------------------------------------------------------------------
1606  */
1607
1608 static void view_real_removed(ViewWindow *vw, FileData *fd)
1609 {
1610         ImageWindow *imd;
1611         FileData *image_fd;
1612
1613         imd = view_window_active_image(vw);
1614         image_fd = image_get_fd(imd);
1615
1616         if (image_fd && image_fd == fd)
1617                 {
1618                 if (vw->list)
1619                         {
1620                         view_list_step(vw, TRUE);
1621                         if (image_get_fd(imd) == image_fd)
1622                                 {
1623                                 view_list_step(vw, FALSE);
1624                                 }
1625                         }
1626                 else if (view_window_contains_collection(vw))
1627                         {
1628                         view_collection_step(vw, TRUE);
1629                         if (image_get_fd(imd) == image_fd)
1630                                 {
1631                                 view_collection_step(vw, FALSE);
1632                                 }
1633                         }
1634                 if (image_get_fd(imd) == image_fd)
1635                         {
1636                         image_change_fd(imd, NULL, image_zoom_get_default(imd, options->image.zoom_mode));
1637                         }
1638                 }
1639
1640         if (vw->list)
1641                 {
1642                 GList *work;
1643                 GList *old;
1644
1645                 old = vw->list_pointer;
1646
1647                 work = vw->list;
1648                 while (work)
1649                         {
1650                         FileData *chk_fd;
1651                         GList *chk_link;
1652
1653                         chk_fd = work->data;
1654                         chk_link = work;
1655                         work = work->next;
1656
1657                         if (chk_fd == fd)
1658                                 {
1659                                 if (vw->list_pointer == chk_link)
1660                                         {
1661                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1662                                         }
1663                                 vw->list = g_list_remove(vw->list, chk_fd);
1664                                 file_data_unref(chk_fd);
1665                                 }
1666                         }
1667
1668                 /* handles stepping correctly when same image is in the list more than once */
1669                 if (old && old != vw->list_pointer)
1670                         {
1671                         FileData *fd;
1672
1673                         if (vw->list_pointer)
1674                                 {
1675                                 fd = vw->list_pointer->data;
1676                                 }
1677                         else
1678                                 {
1679                                 fd = NULL;
1680                                 }
1681
1682                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1683                         }
1684                 }
1685
1686         image_osd_update(imd);
1687 }
1688
1689 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1690 {
1691         ViewWindow *vw = data;
1692
1693         if (type != NOTIFY_TYPE_CHANGE || !fd->change) return;
1694
1695         switch(fd->change->type)
1696                 {
1697                 case FILEDATA_CHANGE_MOVE:
1698                 case FILEDATA_CHANGE_RENAME:
1699                         break;
1700                 case FILEDATA_CHANGE_COPY:
1701                         break;
1702                 case FILEDATA_CHANGE_DELETE:
1703                         view_real_removed(vw, fd);
1704                         break;
1705                 case FILEDATA_CHANGE_UNSPECIFIED:
1706                         break;
1707                 }
1708 }