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);
 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         if (vw->fs) view_fullscreen_toggle(vw, FALSE);
1118
1119         imd = view_window_active_image(vw);
1120         info_window_new(image_get_fd(imd), NULL);
1121 }
1122
1123 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126         ImageWindow *imd;
1127
1128         imd = view_window_active_image(vw);
1129         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1130 }
1131
1132 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1133 {
1134         ViewWindow *vw = data;
1135
1136         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1137 }
1138
1139 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1140 {
1141         ViewWindow *vw = data;
1142
1143         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1144 }
1145
1146 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1147 {
1148         ViewWindow *vw = data;
1149
1150         image_zoom_set(view_window_active_image(vw), 1.0);
1151 }
1152
1153 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1154 {
1155         ViewWindow *vw = data;
1156
1157         image_zoom_set(view_window_active_image(vw), 0.0);
1158 }
1159
1160 static void view_copy_cb(GtkWidget *widget, gpointer data)
1161 {
1162         ViewWindow *vw = data;
1163         ImageWindow *imd;
1164
1165         imd = view_window_active_image(vw);
1166         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1167 }
1168
1169 static void view_move_cb(GtkWidget *widget, gpointer data)
1170 {
1171         ViewWindow *vw = data;
1172         ImageWindow *imd;
1173
1174         imd = view_window_active_image(vw);
1175         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1176 }
1177
1178 static void view_rename_cb(GtkWidget *widget, gpointer data)
1179 {
1180         ViewWindow *vw = data;
1181         ImageWindow *imd;
1182
1183         imd = view_window_active_image(vw);
1184         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1185 }
1186
1187 static void view_delete_cb(GtkWidget *widget, gpointer data)
1188 {
1189         ViewWindow *vw = data;
1190         ImageWindow *imd;
1191
1192         imd = view_window_active_image(vw);
1193         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1194 }
1195
1196 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1197 {
1198         ViewWindow *vw = data;
1199
1200         view_fullscreen_toggle(vw, FALSE);
1201 }
1202
1203 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1204 {
1205         ViewWindow *vw = data;
1206
1207         view_slideshow_start(vw);
1208 }
1209
1210 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1211 {
1212         ViewWindow *vw = data;
1213
1214         view_slideshow_stop(vw);
1215 }
1216
1217 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1218 {
1219         ViewWindow *vw = data;
1220
1221         slideshow_pause_toggle(vw->ss);
1222 }
1223
1224 static void view_close_cb(GtkWidget *widget, gpointer data)
1225 {
1226         ViewWindow *vw = data;
1227
1228         view_window_close(vw);
1229 }
1230
1231 static LayoutWindow *view_new_layout_with_path(const gchar *path)
1232 {
1233         LayoutWindow *nw;
1234
1235         nw = layout_new(NULL, FALSE, FALSE);
1236         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1237         layout_set_path(nw, path);
1238         return nw;
1239 }
1240
1241
1242 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1243 {
1244         ViewWindow *vw = data;
1245         LayoutWindow *lw;
1246         const gchar *path;
1247         ImageWindow *imd;
1248
1249         imd = view_window_active_image(vw);
1250
1251         if (!imd || !imd->image_fd) return;
1252         path = imd->image_fd->path;
1253         if (!path) return;
1254
1255         lw = layout_find_by_image_fd(imd);
1256         if (lw)
1257                 layout_set_path(lw, path);
1258         else
1259                 view_new_layout_with_path(path);
1260         view_window_close(vw);
1261 }
1262
1263 static GtkWidget *view_popup_menu(ViewWindow *vw)
1264 {
1265         GtkWidget *menu;
1266         GtkWidget *item;
1267
1268         menu = popup_menu_short_lived();
1269
1270         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1271         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1272         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1273         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1274         menu_item_add_divider(menu);
1275
1276         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1277         menu_item_add_divider(item);
1278         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1279
1280         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1281
1282         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1283
1284         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1285         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1286
1287         menu_item_add_divider(menu);
1288         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1289         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1290         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1291         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1292
1293         menu_item_add_divider(menu);
1294
1295         if (vw->ss)
1296                 {
1297                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1298                 if (slideshow_paused(vw->ss))
1299                         {
1300                         item = menu_item_add(menu, _("Continue slides_how"),
1301                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1302                         }
1303                 else
1304                         {
1305                         item = menu_item_add(menu, _("Pause slides_how"),
1306                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1307                         }
1308                 }
1309         else
1310                 {
1311                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1312                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1313                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1314                 gtk_widget_set_sensitive(item, FALSE);
1315                 }
1316
1317         if (vw->fs)
1318                 {
1319                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1320                 }
1321         else
1322                 {
1323                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1324                 }
1325
1326         menu_item_add_divider(menu);
1327         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1328
1329         return menu;
1330 }
1331
1332 /*
1333  *-------------------------------------------------------------------
1334  * dnd confirm dir
1335  *-------------------------------------------------------------------
1336  */
1337
1338 typedef struct {
1339         ViewWindow *vw;
1340         GList *list;
1341 } CViewConfirmD;
1342
1343 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1344 {
1345         /* do nothing */
1346 }
1347
1348 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1349 {
1350         GList *work;
1351
1352         view_window_set_list(vw, NULL);
1353
1354         work = list;
1355         while (work)
1356                 {
1357                 FileData *fd = work->data;
1358                 work = work->next;
1359
1360                 if (isdir(fd->path))
1361                         {
1362                         if (!skip)
1363                                 {
1364                                 GList *list = NULL;
1365
1366                                 if (recurse)
1367                                         {
1368                                         list = filelist_recursive(fd->path);
1369                                         }
1370                                 else
1371                                         { /*FIXME */
1372                                         filelist_read(fd->path, &list, NULL);
1373                                         list = filelist_sort_path(list);
1374                                         list = filelist_filter(list, FALSE);
1375                                         }
1376                                 if (list) vw->list = g_list_concat(vw->list, list);
1377                                 }
1378                         }
1379                 else
1380                         {
1381                         /* FIXME: no filtering here */
1382                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1383                         }
1384                 }
1385
1386         if (vw->list)
1387                 {
1388                 FileData *fd;
1389
1390                 vw->list_pointer = vw->list;
1391                 fd = vw->list->data;
1392                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1393
1394                 work = vw->list->next;
1395                 if (options->image.enable_read_ahead && work)
1396                         {
1397                         fd = work->data;
1398                         image_prebuffer_set(vw->imd, fd);
1399                         }
1400                 }
1401         else
1402                 {
1403                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1404                 }
1405 }
1406
1407 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1408 {
1409         CViewConfirmD *d = data;
1410         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1411 }
1412
1413 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1414 {
1415         CViewConfirmD *d = data;
1416         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1417 }
1418
1419 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1420 {
1421         CViewConfirmD *d = data;
1422         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1423 }
1424
1425 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1426 {
1427         CViewConfirmD *d = data;
1428         filelist_free(d->list);
1429         g_free(d);
1430 }
1431
1432 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1433 {
1434         GtkWidget *menu;
1435         CViewConfirmD *d;
1436
1437         d = g_new(CViewConfirmD, 1);
1438         d->vw = vw;
1439         d->list = list;
1440
1441         menu = popup_menu_short_lived();
1442         g_signal_connect(G_OBJECT(menu), "destroy",
1443                          G_CALLBACK(view_dir_list_destroy), d);
1444
1445         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1446         menu_item_add_divider(menu);
1447         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1448         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1449         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1450         menu_item_add_divider(menu);
1451         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1452
1453         return menu;
1454 }
1455
1456 /*
1457  *-----------------------------------------------------------------------------
1458  * image drag and drop routines
1459  *-----------------------------------------------------------------------------
1460  */
1461
1462 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1463                                      gint x, gint y,
1464                                      GtkSelectionData *selection_data, guint info,
1465                                      guint time, gpointer data)
1466 {
1467         ViewWindow *vw = data;
1468         ImageWindow *imd;
1469
1470         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1471
1472         imd = vw->imd;
1473
1474         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1475                 {
1476                 CollectionData *source;
1477                 GList *list;
1478                 GList *info_list;
1479
1480                 if (info == TARGET_URI_LIST)
1481                         {
1482                         GList *work;
1483
1484                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1485
1486                         work = list;
1487                         while (work)
1488                                 {
1489                                 FileData *fd = work->data;
1490                                 if (isdir(fd->path))
1491                                         {
1492                                         GtkWidget *menu;
1493                                         menu = view_confirm_dir_list(vw, list);
1494                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1495                                         return;
1496                                         }
1497                                 work = work->next;
1498                                 }
1499
1500                         list = filelist_filter(list, FALSE);
1501
1502                         source = NULL;
1503                         info_list = NULL;
1504                         }
1505                 else
1506                         {
1507                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1508                         }
1509
1510                 if (list)
1511                         {
1512                         FileData *fd;
1513
1514                         fd = list->data;
1515                         if (isfile(fd->path))
1516                                 {
1517                                 view_slideshow_stop(vw);
1518                                 view_window_set_list(vw, NULL);
1519
1520                                 if (source && info_list)
1521                                         {
1522                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, options->image.zoom_mode));
1523                                         }
1524                                 else
1525                                         {
1526                                         if (list->next)
1527                                                 {
1528                                                 vw->list = list;
1529                                                 list = NULL;
1530
1531                                                 vw->list_pointer = vw->list;
1532                                                 }
1533                                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1534                                         }
1535                                 }
1536                         }
1537                 filelist_free(list);
1538                 g_list_free(info_list);
1539                 }
1540 }
1541
1542 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1543                                      GtkSelectionData *selection_data, guint info,
1544                                      guint time, gpointer data)
1545 {
1546         ViewWindow *vw = data;
1547         FileData *fd;
1548
1549         fd = image_get_fd(vw->imd);
1550
1551         if (fd)
1552                 {
1553                 gchar *text = NULL;
1554                 gint len;
1555                 gint plain_text;
1556                 GList *list;
1557
1558                 switch (info)
1559                         {
1560                         case TARGET_URI_LIST:
1561                                 plain_text = FALSE;
1562                                 break;
1563                         case TARGET_TEXT_PLAIN:
1564                         default:
1565                                 plain_text = TRUE;
1566                                 break;
1567                         }
1568                 list = g_list_append(NULL, fd);
1569                 text = uri_text_from_filelist(list, &len, plain_text);
1570                 g_list_free(list);
1571                 if (text)
1572                         {
1573                         gtk_selection_data_set (selection_data, selection_data->target,
1574                                                 8, (guchar *)text, len);
1575                         g_free(text);
1576                         }
1577                 }
1578         else
1579                 {
1580                 gtk_selection_data_set (selection_data, selection_data->target,
1581                                         8, NULL, 0);
1582                 }
1583 }
1584
1585 static void view_window_dnd_init(ViewWindow *vw)
1586 {
1587         ImageWindow *imd;
1588
1589         imd = vw->imd;
1590
1591         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1592                             dnd_file_drag_types, dnd_file_drag_types_count,
1593                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1594         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1595                          G_CALLBACK(view_window_set_dnd_data), vw);
1596
1597         gtk_drag_dest_set(imd->pr,
1598                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1599                           dnd_file_drop_types, dnd_file_drop_types_count,
1600                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1601         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1602                          G_CALLBACK(view_window_get_dnd_data), vw);
1603 }
1604
1605 /*
1606  *-----------------------------------------------------------------------------
1607  * maintenance (for rename, move, remove)
1608  *-----------------------------------------------------------------------------
1609  */
1610
1611 static void view_real_removed(ViewWindow *vw, FileData *fd, GList *ignore_list)
1612 {
1613         ImageWindow *imd;
1614         FileData *image_fd;
1615
1616         imd = view_window_active_image(vw);
1617         image_fd = image_get_fd(imd);
1618
1619         if (image_fd && image_fd == fd)
1620                 {
1621                 if (vw->list)
1622                         {
1623                         view_list_step(vw, TRUE);
1624                         if (image_get_fd(imd) == image_fd)
1625                                 {
1626                                 view_list_step(vw, FALSE);
1627                                 }
1628                         }
1629                 else if (view_window_contains_collection(vw))
1630                         {
1631                         view_collection_step(vw, TRUE);
1632                         if (image_get_fd(imd) == image_fd)
1633                                 {
1634                                 view_collection_step(vw, FALSE);
1635                                 }
1636                         }
1637                 if (image_get_fd(imd) == image_fd)
1638                         {
1639                         image_change_fd(imd, NULL, image_zoom_get_default(imd, options->image.zoom_mode));
1640                         }
1641                 }
1642
1643         if (vw->list)
1644                 {
1645                 GList *work;
1646                 GList *old;
1647
1648                 old = vw->list_pointer;
1649
1650                 work = vw->list;
1651                 while (work)
1652                         {
1653                         FileData *chk_fd;
1654                         GList *chk_link;
1655
1656                         chk_fd = work->data;
1657                         chk_link = work;
1658                         work = work->next;
1659
1660                         if (chk_fd == fd)
1661                                 {
1662                                 if (vw->list_pointer == chk_link)
1663                                         {
1664                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1665                                         }
1666                                 vw->list = g_list_remove(vw->list, chk_fd);
1667                                 file_data_unref(chk_fd);
1668                                 }
1669                         }
1670
1671                 /* handles stepping correctly when same image is in the list more than once */
1672                 if (old && old != vw->list_pointer)
1673                         {
1674                         FileData *fd;
1675
1676                         if (vw->list_pointer)
1677                                 {
1678                                 fd = vw->list_pointer->data;
1679                                 }
1680                         else
1681                                 {
1682                                 fd = NULL;
1683                                 }
1684
1685                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1686                         }
1687                 }
1688
1689         image_osd_update(imd);
1690 }
1691
1692 static void view_real_moved(ViewWindow *vw, FileData *fd)
1693 {
1694 /*
1695         ImageWindow *imd;
1696         const gchar *image_path;
1697
1698         imd = view_window_active_image(vw);
1699 */
1700 /*
1701         image_path = image_get_path(imd);
1702
1703         if (image_path && strcmp(image_path, fd->change->source) == 0)
1704                 {
1705                 image_set_fd(imd, dest);
1706                 }
1707 */
1708 /*
1709         if (vw->list)
1710                 {
1711                 GList *work;
1712                 work = vw->list;
1713                 while (work)
1714                         {
1715                         gchar *chk_path;
1716
1717                         chk_path = work->data;
1718
1719                         if (strcmp(chk_path, source) == 0)
1720                                 {
1721                                 work->data = g_strdup(dest);
1722                                 g_free(chk_path);
1723                                 }
1724
1725                         work = work->next;
1726                         }
1727                 }
1728 */
1729 }
1730
1731 void view_window_maint_removed(FileData *fd, GList *ignore_list)
1732 {
1733         GList *work = view_window_list;
1734         while (work)
1735                 {
1736                 ViewWindow *vw = work->data;
1737                 work = work->next;
1738
1739                 view_real_removed(vw, fd, ignore_list);
1740                 }
1741 }
1742
1743 void view_window_maint_moved(FileData *fd)
1744 {
1745         GList *work = view_window_list;
1746         while (work)
1747                 {
1748                 ViewWindow *vw = work->data;
1749                 work = work->next;
1750
1751                 view_real_moved(vw, fd);
1752                 }
1753 }