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