src/img-view.c

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