src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "info.h"
  26 #include "layout.h"
  27 #include "layout_image.h"
  28 #include "menu.h"
  29 #include "pixbuf-renderer.h"
  30 #include "pixbuf_util.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "utilops.h"
  34 #include "ui_bookmark.h"
  35 #include "ui_fileops.h"
  36 #include "ui_menu.h"
  37 #include "window.h"
  38
  39 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  40
  41
  42 typedef struct _ViewWindow ViewWindow;
  43 struct _ViewWindow
  44 {
  45         GtkWidget *window;
  46         ImageWindow *imd;
  47         FullScreenData *fs;
  48         SlideShowData *ss;
  49
  50         GList *list;
  51         GList *list_pointer;
  52 };
  53
  54
  55 static GList *view_window_list = NULL;
  56
  57
  58 static GtkWidget *view_popup_menu(ViewWindow *vw);
  59 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  60 static void view_overlay_toggle(ViewWindow *vw);
  61
  62 static void view_slideshow_next(ViewWindow *vw);
  63 static void view_slideshow_prev(ViewWindow *vw);
  64 static void view_slideshow_start(ViewWindow *vw);
  65 static void view_slideshow_stop(ViewWindow *vw);
  66
  67 static void view_window_close(ViewWindow *vw);
  68
  69 static void view_window_dnd_init(ViewWindow *vw);
  70
  71
  72 /*
  73  *-----------------------------------------------------------------------------
  74  * misc
  75  *-----------------------------------------------------------------------------
  76  */
  77
  78 static ImageWindow *view_window_active_image(ViewWindow *vw)
  79 {
  80         if (vw->fs) return vw->fs->imd;
  81
  82         return vw->imd;
  83 }
  84
  85 static void view_window_set_list(ViewWindow *vw, GList *list)
  86 {
  87
  88         filelist_free(vw->list);
  89         vw->list = NULL;
  90         vw->list_pointer = NULL;
  91
  92         vw->list = filelist_copy(list);
  93 }
  94
  95 static gint view_window_contains_collection(ViewWindow *vw)
  96 {
  97         CollectionData *cd;
  98         CollectInfo *info;
  99
 100         cd = image_get_collection(view_window_active_image(vw), &info);
 101
 102         return (cd && info);
 103 }
 104
 105 static void view_collection_step(ViewWindow *vw, gint next)
 106 {
 107         ImageWindow *imd = view_window_active_image(vw);
 108         CollectionData *cd;
 109         CollectInfo *info;
 110         CollectInfo *read_ahead_info = NULL;
 111
 112         cd = image_get_collection(imd, &info);
 113
 114         if (!cd || !info) return;
 115
 116         if (next)
 117                 {
 118                 info = collection_next_by_info(cd, info);
 119                 if (options->image.enable_read_ahead)
 120                         {
 121                         read_ahead_info = collection_next_by_info(cd, info);
 122                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 123                         }
 124                 }
 125         else
 126                 {
 127                 info = collection_prev_by_info(cd, info);
 128                 if (options->image.enable_read_ahead)
 129                         {
 130                         read_ahead_info = collection_prev_by_info(cd, info);
 131                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 132                         }
 133                 }
 134
 135         if (info)
 136                 {
 137                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 138
 139                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 140                 }
 141
 142 }
 143
 144 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 145 {
 146         ImageWindow *imd = view_window_active_image(vw);
 147         CollectionData *cd;
 148         CollectInfo *info;
 149         CollectInfo *read_ahead_info = NULL;
 150
 151         cd = image_get_collection(imd, &info);
 152
 153         if (!cd || !info) return;
 154
 155         if (last)
 156                 {
 157                 info = collection_get_last(cd);
 158                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 159                 }
 160         else
 161                 {
 162                 info = collection_get_first(cd);
 163                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 164                 }
 165
 166         if (info)
 167                 {
 168                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 169                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 170                 }
 171 }
 172
 173 static void view_list_step(ViewWindow *vw, gint next)
 174 {
 175         ImageWindow *imd = view_window_active_image(vw);
 176         FileData *fd;
 177         GList *work;
 178         GList *work_ahead;
 179
 180         if (!vw->list) return;
 181
 182         fd = image_get_fd(imd);
 183         if (!fd) return;
 184
 185         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 186                 {
 187                 work = vw->list_pointer;
 188                 }
 189         else
 190                 {
 191                 gint found = FALSE;
 192
 193                 work = vw->list;
 194                 while (work && !found)
 195                         {
 196                         FileData *temp;
 197
 198                         temp = work->data;
 199
 200                         if (fd == temp)
 201                                 {
 202                                 found = TRUE;
 203                                 }
 204                         else
 205                                 {
 206                                 work = work->next;
 207                                 }
 208                         }
 209                 }
 210         if (!work) return;
 211
 212         work_ahead = NULL;
 213         if (next)
 214                 {
 215                 work = work->next;
 216                 if (work) work_ahead = work->next;
 217                 }
 218         else
 219                 {
 220                 work = work->prev;
 221                 if (work) work_ahead = work->prev;
 222                 }
 223
 224         if (!work) return;
 225
 226         vw->list_pointer = work;
 227         fd = work->data;
 228         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 229
 230         if (options->image.enable_read_ahead && work_ahead)
 231                 {
 232                 FileData *next_fd = work_ahead->data;
 233                 image_prebuffer_set(imd, next_fd);
 234                 }
 235 }
 236
 237 static void view_list_step_to_end(ViewWindow *vw, gint last)
 238 {
 239         ImageWindow *imd = view_window_active_image(vw);
 240         FileData *fd;
 241         GList *work;
 242         GList *work_ahead;
 243
 244         if (!vw->list) return;
 245
 246         if (last)
 247                 {
 248                 work = g_list_last(vw->list);
 249                 work_ahead = work->prev;
 250                 }
 251         else
 252                 {
 253                 work = vw->list;
 254                 work_ahead = work->next;
 255                 }
 256
 257         vw->list_pointer = work;
 258         fd = work->data;
 259         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 260
 261         if (options->image.enable_read_ahead && work_ahead)
 262                 {
 263                 FileData *next_fd = work_ahead->data;
 264                 image_prebuffer_set(imd, next_fd);
 265                 }
 266 }
 267
 268 static void view_step_next(ViewWindow *vw)
 269 {
 270         if (vw->ss)
 271                 {
 272                 view_slideshow_next(vw);
 273                 }
 274         else if (vw->list)
 275                 {
 276                 view_list_step(vw, TRUE);
 277                 }
 278         else
 279                 {
 280                 view_collection_step(vw, TRUE);
 281                 }
 282 }
 283
 284 static void view_step_prev(ViewWindow *vw)
 285 {
 286         if (vw->ss)
 287                 {
 288                 view_slideshow_prev(vw);
 289                 }
 290         else if (vw->list)
 291                 {
 292                 view_list_step(vw, FALSE);
 293                 }
 294         else
 295                 {
 296                 view_collection_step(vw, FALSE);
 297                 }
 298 }
 299
 300 static void view_step_to_end(ViewWindow *vw, gint last)
 301 {
 302         if (vw->list)
 303                 {
 304                 view_list_step_to_end(vw, last);
 305                 }
 306         else
 307                 {
 308                 view_collection_step_to_end(vw, last);
 309                 }
 310 }
 311
 312 /*
 313  *-----------------------------------------------------------------------------
 314  * view window keyboard
 315  *-----------------------------------------------------------------------------
 316  */
 317
 318 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 319 {
 320         ViewWindow *vw = data;
 321         ImageWindow *imd;
 322
 323         imd = view_window_active_image(vw);
 324         gdk_window_get_origin(imd->pr->window, x, y);
 325         popup_menu_position_clamp(menu, x, y, 0);
 326 }
 327
 328 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 329 {
 330         ViewWindow *vw = data;
 331         ImageWindow *imd;
 332         gint stop_signal;
 333         GtkWidget *menu;
 334         gint x = 0;
 335         gint y = 0;
 336
 337         imd = view_window_active_image(vw);
 338
 339         stop_signal = TRUE;
 340         switch (event->keyval)
 341                 {
 342                 case GDK_Left: case GDK_KP_Left:
 343                         x -= 1;
 344                         break;
 345                 case GDK_Right: case GDK_KP_Right:
 346                         x += 1;
 347                         break;
 348                 case GDK_Up: case GDK_KP_Up:
 349                         y -= 1;
 350                         break;
 351                 case GDK_Down: case GDK_KP_Down:
 352                         y += 1;
 353                         break;
 354                 default:
 355                         stop_signal = FALSE;
 356                         break;
 357                 }
 358
 359         if (x != 0 || y!= 0)
 360                 {
 361                 if (event->state & GDK_SHIFT_MASK)
 362                         {
 363                         x *= 3;
 364                         y *= 3;
 365                         }
 366
 367                 keyboard_scroll_calc(&x, &y, event);
 368                 image_scroll(imd, x, y);
 369                 }
 370
 371         if (stop_signal) return stop_signal;
 372
 373         if (event->state & GDK_CONTROL_MASK)
 374                 {
 375                 gint n = -1;
 376
 377                 stop_signal = TRUE;
 378                 switch (event->keyval)
 379                         {
 380                         case '1':
 381                                 n = 0;
 382                                 break;
 383                         case '2':
 384                                 n = 1;
 385                                 break;
 386                         case '3':
 387                                 n = 2;
 388                                 break;
 389                         case '4':
 390                                 n = 3;
 391                                 break;
 392                         case '5':
 393                                 n = 4;
 394                                 break;
 395                         case '6':
 396                                 n = 5;
 397                                 break;
 398                         case '7':
 399                                 n = 6;
 400                                 break;
 401                         case '8':
 402                                 n = 7;
 403                                 break;
 404                         case '9':
 405                                 n = 8;
 406                                 break;
 407                         case '0':
 408                                 n = 9;
 409                                 break;
 410                         case 'C': case 'c':
 411                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 412                                 break;
 413                         case 'M': case 'm':
 414                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 415                                 break;
 416                         case 'R': case 'r':
 417                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 418                                 break;
 419                         case 'D': case 'd':
 420                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 421                                 break;
 422                         case 'P': case 'p':
 423                                 info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
 424                                 break;
 425                         case 'W': case 'w':
 426                                 view_window_close(vw);
 427                                 break;
 428                         default:
 429                                 stop_signal = FALSE;
 430                                 break;
 431                         }
 432                 if (n != -1)
 433                         {
 434                         if (!editor_window_flag_set(n))
 435                                 {
 436                                 view_fullscreen_toggle(vw, TRUE);
 437                                 }
 438                         imd = view_window_active_image(vw);
 439                         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
 440                         }
 441                 }
 442         else if (event->state & GDK_SHIFT_MASK)
 443                 {
 444                 stop_signal = TRUE;
 445                 switch (event->keyval)
 446                         {
 447                         case 'R': case 'r':
 448                                 image_alter(imd, ALTER_ROTATE_180);
 449                                 break;
 450                         case 'M': case 'm':
 451                                 image_alter(imd, ALTER_MIRROR);
 452                                 break;
 453                         case 'F': case 'f':
 454                                 image_alter(imd, ALTER_FLIP);
 455                                 break;
 456                         case 'G': case 'g':
 457                                 image_alter(imd, ALTER_DESATURATE);
 458                                 break;
 459                         case 'P': case 'p':
 460                                 {
 461                                 FileData *fd;
 462
 463                                 view_fullscreen_toggle(vw, TRUE);
 464                                 imd = view_window_active_image(vw);
 465                                 fd = image_get_fd(imd);
 466                                 print_window_new(fd,
 467                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 468                                                  filelist_copy(vw->list), vw->window);
 469                                 }
 470                                 break;
 471                         default:
 472                                 stop_signal = FALSE;
 473                                 break;
 474                         }
 475                 }
 476         else
 477                 {
 478                 stop_signal = TRUE;
 479                 switch (event->keyval)
 480                         {
 481                         case GDK_Page_Up: case GDK_KP_Page_Up:
 482                         case GDK_BackSpace:
 483                         case 'B': case 'b':
 484                                 view_step_prev(vw);
 485                                 break;
 486                         case GDK_Page_Down: case GDK_KP_Page_Down:
 487                         case GDK_space:
 488                         case 'N': case 'n':
 489                                 view_step_next(vw);
 490                                 break;
 491                         case GDK_Home: case GDK_KP_Home:
 492                                 view_step_to_end(vw, FALSE);
 493                                 break;
 494                         case GDK_End: case GDK_KP_End:
 495                                 view_step_to_end(vw, TRUE);
 496                                 break;
 497                         case '+': case '=': case GDK_KP_Add:
 498                                 image_zoom_adjust(imd, get_zoom_increment());
 499                                 break;
 500                         case '-': case GDK_KP_Subtract:
 501                                 image_zoom_adjust(imd, -get_zoom_increment());
 502                                 break;
 503                         case 'X': case 'x': case GDK_KP_Multiply:
 504                                 image_zoom_set(imd, 0.0);
 505                                 break;
 506                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 507                                 image_zoom_set(imd, 1.0);
 508                                 break;
 509                         case '2':
 510                                 image_zoom_set(imd, 2.0);
 511                                 break;
 512                         case '3':
 513                                 image_zoom_set(imd, 3.0);
 514                                 break;
 515                         case '4':
 516                                 image_zoom_set(imd, 4.0);
 517                                 break;
 518                         case '7':
 519                                 image_zoom_set(imd, -4.0);
 520                                 break;
 521                         case '8':
 522                                 image_zoom_set(imd, -3.0);
 523                                 break;
 524                         case '9':
 525                                 image_zoom_set(imd, -2.0);
 526                                 break;
 527                         case 'W': case 'w':
 528                                 image_zoom_set_fill_geometry(imd, FALSE);
 529                                 break;
 530                         case 'H': case 'h':
 531                                 image_zoom_set_fill_geometry(imd, TRUE);
 532                                 break;
 533                         case 'R': case 'r':
 534                                 image_reload(imd);
 535                                 break;
 536                         case 'S': case 's':
 537                                 if (vw->ss)
 538                                         {
 539                                         view_slideshow_stop(vw);
 540                                         }
 541                                 else
 542                                         {
 543                                         view_slideshow_start(vw);
 544                                         }
 545                                 break;
 546                         case 'P': case 'p':
 547                                 slideshow_pause_toggle(vw->ss);
 548                                 break;
 549                         case 'F': case 'f':
 550                         case 'V': case 'v':
 551                         case GDK_F11:
 552                                 view_fullscreen_toggle(vw, FALSE);
 553                                 break;
 554                         case 'I': case 'i':
 555                                 view_overlay_toggle(vw);
 556                                 break;
 557                         case ']':
 558                                 image_alter(imd, ALTER_ROTATE_90);
 559                                 break;
 560                         case '[':
 561                                 image_alter(imd, ALTER_ROTATE_90_CC);
 562                                 break;
 563                         case GDK_Delete: case GDK_KP_Delete:
 564                                 if (options->file_ops.enable_delete_key)
 565                                         {
 566                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 567                                         }
 568                                 break;
 569                         case GDK_Escape:
 570                                 if (vw->fs)
 571                                         {
 572                                         view_fullscreen_toggle(vw, TRUE);
 573                                         }
 574                                 else
 575                                         {
 576                                         view_window_close(vw);
 577                                         }
 578                                 break;
 579                         case GDK_Menu:
 580                         case GDK_F10:
 581                                 menu = view_popup_menu(vw);
 582                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 583                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 584                                 break;
 585                         default:
 586                                 stop_signal = FALSE;
 587                                 break;
 588                         }
 589                 }
 590
 591         return stop_signal;
 592 }
 593
 594 /*
 595  *-----------------------------------------------------------------------------
 596  * view window main routines
 597  *-----------------------------------------------------------------------------
 598  */
 599
 600 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 601                       gdouble x, gdouble y, guint state, gpointer data)
 602 {
 603         ViewWindow *vw = data;
 604         GtkWidget *menu;
 605
 606         switch (button)
 607                 {
 608                 case MOUSE_BUTTON_LEFT:
 609                         view_step_next(vw);
 610                         break;
 611                 case MOUSE_BUTTON_MIDDLE:
 612                         view_step_prev(vw);
 613                         break;
 614                 case MOUSE_BUTTON_RIGHT:
 615                         menu = view_popup_menu(vw);
 616                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 617                         break;
 618                 default:
 619                         break;
 620                 }
 621 }
 622
 623 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 624                       gdouble x, gdouble y, guint state, gpointer data)
 625 {
 626         ViewWindow *vw = data;
 627
 628         if (state & GDK_CONTROL_MASK)
 629                 {
 630                 switch (direction)
 631                         {
 632                         case GDK_SCROLL_UP:
 633                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 634                                 break;
 635                         case GDK_SCROLL_DOWN:
 636                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 637                                 break;
 638                         default:
 639                                 break;
 640                         }
 641                 }
 642         else if ( (state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 643                 {
 644                 switch (direction)
 645                         {
 646                         case GDK_SCROLL_UP:
 647                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 648                                 break;
 649                         case GDK_SCROLL_DOWN:
 650                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 651                                 break;
 652                         case GDK_SCROLL_LEFT:
 653                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 654                                 break;
 655                         case GDK_SCROLL_RIGHT:
 656                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 657                                 break;
 658                         default:
 659                                 break;
 660                         }
 661                 }
 662         else
 663                 {
 664                 switch (direction)
 665                         {
 666                         case GDK_SCROLL_UP:
 667                                 view_step_prev(vw);
 668                                 break;
 669                         case GDK_SCROLL_DOWN:
 670                                 view_step_next(vw);
 671                                 break;
 672                         default:
 673                                 break;
 674                         }
 675                 }
 676 }
 677
 678 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 679 {
 680         image_set_button_func(imd, button_cb, vw);
 681         image_set_scroll_func(imd, scroll_cb, vw);
 682 }
 683
 684 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 685 {
 686         ViewWindow *vw = data;
 687
 688         vw->fs = NULL;
 689
 690         if (vw->ss) vw->ss->imd = vw->imd;
 691 }
 692
 693 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 694 {
 695         if (force_off && !vw->fs) return;
 696
 697         if (vw->fs)
 698                 {
 699                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 700                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 701
 702                 fullscreen_stop(vw->fs);
 703                 }
 704         else
 705                 {
 706                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 707
 708                 view_image_set_buttons(vw, vw->fs->imd);
 709                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 710                                  G_CALLBACK(view_window_key_press_cb), vw);
 711
 712                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 713
 714                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 715                         {
 716                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 717                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 718                         }
 719                 }
 720 }
 721
 722 static void view_overlay_toggle(ViewWindow *vw)
 723 {
 724         ImageWindow *imd;
 725
 726         imd = view_window_active_image(vw);
 727
 728         image_osd_toggle(imd);
 729 }
 730
 731 static void view_slideshow_next(ViewWindow *vw)
 732 {
 733         if (vw->ss) slideshow_next(vw->ss);
 734 }
 735
 736 static void view_slideshow_prev(ViewWindow *vw)
 737 {
 738         if (vw->ss) slideshow_prev(vw->ss);
 739 }
 740
 741 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 742 {
 743         ViewWindow *vw = data;
 744         GList *work;
 745         FileData *fd;
 746
 747         vw->ss = NULL;
 748
 749         work = vw->list;
 750         fd = image_get_fd(view_window_active_image(vw));
 751         while (work)
 752                 {
 753                 FileData *temp;
 754
 755                 temp = work->data;
 756                 if (fd == temp)
 757                         {
 758                         vw->list_pointer = work;
 759                         work = NULL;
 760                         }
 761                 else
 762                         {
 763                         work = work->next;
 764                         }
 765                 }
 766 }
 767
 768 static void view_slideshow_start(ViewWindow *vw)
 769 {
 770         if (!vw->ss)
 771                 {
 772                 CollectionData *cd;
 773                 CollectInfo *info;
 774
 775                 if (vw->list)
 776                         {
 777                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 778                                                                 filelist_copy(vw->list),
 779                                                                 view_slideshow_stop_func, vw);
 780                         vw->list_pointer = NULL;
 781                         return;
 782                         }
 783
 784                 cd = image_get_collection(view_window_active_image(vw), &info);
 785                 if (cd && info)
 786                         {
 787                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 788                                                                  view_slideshow_stop_func, vw, info);
 789                         }
 790                 }
 791 }
 792
 793 static void view_slideshow_stop(ViewWindow *vw)
 794 {
 795         if (vw->ss) slideshow_free(vw->ss);
 796 }
 797
 798 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 799 {
 800         ViewWindow *vw = data;
 801
 802         view_window_list = g_list_remove(view_window_list, vw);
 803
 804         view_slideshow_stop(vw);
 805         fullscreen_stop(vw->fs);
 806
 807         filelist_free(vw->list);
 808         g_free(vw);
 809 }
 810
 811 static void view_window_close(ViewWindow *vw)
 812 {
 813         view_slideshow_stop(vw);
 814         view_fullscreen_toggle(vw, TRUE);
 815         gtk_widget_destroy(vw->window);
 816 }
 817
 818 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 819 {
 820         ViewWindow *vw = data;
 821
 822         view_window_close(vw);
 823         return TRUE;
 824 }
 825
 826 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 827 {
 828         ViewWindow *vw;
 829         GtkAllocation req_size;
 830         GdkGeometry geometry;
 831         gint w, h;
 832
 833         if (!fd && !list && (!cd || !info)) return NULL;
 834
 835         vw = g_new0(ViewWindow, 1);
 836         vw->fs = NULL;
 837         vw->ss = NULL;
 838         vw->list = NULL;
 839         vw->list_pointer = NULL;
 840
 841         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 842
 843         geometry.min_width = 8;
 844         geometry.min_height = 8;
 845         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 846
 847         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 848         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 849
 850         vw->imd = image_new(FALSE);
 851
 852         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 853
 854         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 855
 856         image_auto_refresh(vw->imd, 0);
 857         image_top_window_set_sync(vw->imd, TRUE);
 858
 859         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 860         gtk_widget_show(vw->imd->widget);
 861
 862         view_window_dnd_init(vw);
 863
 864         view_image_set_buttons(vw, vw->imd);
 865
 866         g_signal_connect(G_OBJECT(vw->window), "destroy",
 867                          G_CALLBACK(view_window_destroy_cb), vw);
 868         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 869                          G_CALLBACK(view_window_delete_cb), vw);
 870         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 871                          G_CALLBACK(view_window_key_press_cb), vw);
 872         if (cd && info)
 873                 {
 874                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, options->image.zoom_mode));
 875                 if (options->image.enable_read_ahead)
 876                         {
 877                         CollectInfo * r_info = collection_next_by_info(cd, info);
 878                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 879                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 880                         }
 881                 }
 882         else if (list)
 883                 {
 884                 view_window_set_list(vw, list);
 885                 vw->list_pointer = vw->list;
 886                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL, options->image.zoom_mode));
 887
 888                 if (options->image.enable_read_ahead)
 889                         {
 890                         GList *work = vw->list->next;
 891                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 892                         }
 893                 }
 894         else
 895                 {
 896                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL, options->image.zoom_mode));
 897                 }
 898
 899         if (image_zoom_get(vw->imd) == 0.0)
 900                 {
 901                 image_get_image_size(vw->imd, &w, &h);
 902                 }
 903         else
 904                 {
 905                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 906                 }
 907         if (options->image.limit_window_size)
 908                 {
 909                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 910                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 911
 912                 if (w > mw) w = mw;
 913                 if (h > mh) h = mh;
 914                 }
 915
 916         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 917         req_size.x = req_size.y = 0;
 918         req_size.width = w;
 919         req_size.height = h;
 920         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 921
 922         gtk_widget_set_size_request(vw->imd->pr, w, h);
 923
 924         gtk_widget_show(vw->window);
 925
 926         view_window_list = g_list_append(view_window_list, vw);
 927
 928         return vw;
 929 }
 930
 931 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 932 {
 933         CollectionData *cd = data;
 934
 935         collection_unref(cd);
 936 }
 937
 938 void view_window_new(FileData *fd)
 939 {
 940         GList *list;
 941
 942         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 943                 {
 944                 ViewWindow *vw;
 945                 CollectionData *cd;
 946                 CollectInfo *info;
 947
 948                 cd = collection_new(fd->path);
 949                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 950                         {
 951                         info = collection_get_first(cd);
 952                         }
 953                 else
 954                         {
 955                         collection_unref(cd);
 956                         cd = NULL;
 957                         info = NULL;
 958                         }
 959                 vw = real_view_window_new(NULL, NULL, cd, info);
 960                 if (vw && cd)
 961                         {
 962                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 963                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 964                         }
 965                 }
 966         else if (isdir(fd->path) && filelist_read(fd->path, &list, NULL))
 967                 {
 968                 list = filelist_sort_path(list);
 969                 list = filelist_filter(list, FALSE);
 970                 real_view_window_new(NULL, list, NULL, NULL);
 971                 filelist_free(list);
 972                 }
 973         else
 974                 {
 975                 real_view_window_new(fd, NULL, NULL, NULL);
 976                 }
 977 }
 978
 979 void view_window_new_from_list(GList *list)
 980 {
 981         real_view_window_new(NULL, list, NULL, NULL);
 982 }
 983
 984 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 985 {
 986         real_view_window_new(NULL, NULL, cd, info);
 987 }
 988
 989 /*
 990  *-----------------------------------------------------------------------------
 991  * public
 992  *-----------------------------------------------------------------------------
 993  */
 994
 995 void view_window_colors_update(void)
 996 {
 997         GList *work;
 998
 999         work = view_window_list;
1000         while (work)
1001                 {
1002                 ViewWindow *vw = work->data;
1003                 work = work->next;
1004
1005                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1006                 }
1007 }
1008
1009 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1010 {
1011         GList *work;
1012
1013         work = view_window_list;
1014         while (work)
1015                 {
1016                 ViewWindow *vw = work->data;
1017                 work = work->next;
1018
1019                 if (vw->imd == imd ||
1020                     (vw->fs && vw->fs->imd == imd))
1021                         {
1022                         if (vw->ss)
1023                                 {
1024                                 gint n;
1025                                 gint t;
1026
1027                                 n = g_list_length(vw->ss->list_done);
1028                                 t = n + g_list_length(vw->ss->list);
1029                                 if (n == 0) n = t;
1030                                 if (index) *index = n - 1;
1031                                 if (total) *total = t;
1032                                 }
1033                         else
1034                                 {
1035                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1036                                 if (total) *total = g_list_length(vw->list);
1037                                 }
1038                         return TRUE;
1039                         }
1040                 }
1041
1042         return FALSE;
1043 }
1044
1045 /*
1046  *-----------------------------------------------------------------------------
1047  * view window menu routines and callbacks
1048  *-----------------------------------------------------------------------------
1049  */
1050
1051 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1052 {
1053         ViewWindow *vw = data;
1054         CollectionData *cd;
1055         CollectInfo *info;
1056
1057         cd = image_get_collection(vw->imd, &info);
1058
1059         if (cd && info)
1060                 {
1061                 view_window_new_from_collection(cd, info);
1062                 }
1063         else
1064                 {
1065                 view_window_new(image_get_fd(vw->imd));
1066                 }
1067 }
1068
1069 static void view_edit_cb(GtkWidget *widget, gpointer data)
1070 {
1071         ViewWindow *vw;
1072         ImageWindow *imd;
1073         gint n;
1074
1075         vw = submenu_item_get_data(widget);
1076         n = GPOINTER_TO_INT(data);
1077         if (!vw) return;
1078
1079         if (!editor_window_flag_set(n))
1080                 {
1081                 view_fullscreen_toggle(vw, TRUE);
1082                 }
1083
1084         imd = view_window_active_image(vw);
1085         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
1086 }
1087
1088 static void view_alter_cb(GtkWidget *widget, gpointer data)
1089 {
1090         ViewWindow *vw;
1091         AlterType type;
1092
1093         vw = submenu_item_get_data(widget);
1094         type = GPOINTER_TO_INT(data);
1095
1096         if (!vw) return;
1097         image_alter(vw->imd, type);
1098 }
1099
1100 static void view_info_cb(GtkWidget *widget, gpointer data)
1101 {
1102         ViewWindow *vw = data;
1103         ImageWindow *imd;
1104
1105         imd = view_window_active_image(vw);
1106         info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
1107 }
1108
1109 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1110 {
1111         ViewWindow *vw = data;
1112         ImageWindow *imd;
1113
1114         imd = view_window_active_image(vw);
1115         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1116 }
1117
1118 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1119 {
1120         ViewWindow *vw = data;
1121
1122         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1123 }
1124
1125 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1126 {
1127         ViewWindow *vw = data;
1128
1129         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1130 }
1131
1132 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1133 {
1134         ViewWindow *vw = data;
1135
1136         image_zoom_set(view_window_active_image(vw), 1.0);
1137 }
1138
1139 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1140 {
1141         ViewWindow *vw = data;
1142
1143         image_zoom_set(view_window_active_image(vw), 0.0);
1144 }
1145
1146 static void view_copy_cb(GtkWidget *widget, gpointer data)
1147 {
1148         ViewWindow *vw = data;
1149         ImageWindow *imd;
1150
1151         imd = view_window_active_image(vw);
1152         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1153 }
1154
1155 static void view_move_cb(GtkWidget *widget, gpointer data)
1156 {
1157         ViewWindow *vw = data;
1158         ImageWindow *imd;
1159
1160         imd = view_window_active_image(vw);
1161         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1162 }
1163
1164 static void view_rename_cb(GtkWidget *widget, gpointer data)
1165 {
1166         ViewWindow *vw = data;
1167         ImageWindow *imd;
1168
1169         imd = view_window_active_image(vw);
1170         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1171 }
1172
1173 static void view_delete_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176         ImageWindow *imd;
1177
1178         imd = view_window_active_image(vw);
1179         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1180 }
1181
1182 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1183 {
1184         ViewWindow *vw = data;
1185         ImageWindow *imd;
1186
1187         imd = view_window_active_image(vw);
1188         file_util_copy_path_to_clipboard(image_get_fd(imd));
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 LayoutWindow *view_new_layout_with_path(const gchar *path)
1227 {
1228         LayoutWindow *nw;
1229
1230         nw = layout_new(NULL, FALSE, FALSE);
1231         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1232         layout_set_path(nw, path);
1233         return nw;
1234 }
1235
1236
1237 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1238 {
1239         ViewWindow *vw = data;
1240         LayoutWindow *lw;
1241         const gchar *path;
1242         ImageWindow *imd;
1243
1244         imd = view_window_active_image(vw);
1245
1246         if (!imd || !imd->image_fd) return;
1247         path = imd->image_fd->path;
1248         if (!path) return;
1249
1250         lw = layout_find_by_image_fd(imd);
1251         if (lw)
1252                 layout_set_path(lw, path);
1253         else
1254                 view_new_layout_with_path(path);
1255         view_window_close(vw);
1256 }
1257
1258 static GtkWidget *view_popup_menu(ViewWindow *vw)
1259 {
1260         GtkWidget *menu;
1261         GtkWidget *item;
1262
1263         menu = popup_menu_short_lived();
1264
1265         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1266         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1267         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1268         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1269         menu_item_add_divider(menu);
1270
1271         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1272         menu_item_add_divider(item);
1273         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1274
1275         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1276
1277         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1278
1279         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1280         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1281
1282         menu_item_add_divider(menu);
1283         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1284         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1285         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1286         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1287         if (options->show_copy_path)
1288                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1289
1290         menu_item_add_divider(menu);
1291
1292         if (vw->ss)
1293                 {
1294                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1295                 if (slideshow_paused(vw->ss))
1296                         {
1297                         item = menu_item_add(menu, _("Continue slides_how"),
1298                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1299                         }
1300                 else
1301                         {
1302                         item = menu_item_add(menu, _("Pause slides_how"),
1303                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1304                         }
1305                 }
1306         else
1307                 {
1308                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1309                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1310                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1311                 gtk_widget_set_sensitive(item, FALSE);
1312                 }
1313
1314         if (vw->fs)
1315                 {
1316                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1317                 }
1318         else
1319                 {
1320                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1321                 }
1322
1323         menu_item_add_divider(menu);
1324         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1325
1326         return menu;
1327 }
1328
1329 /*
1330  *-------------------------------------------------------------------
1331  * dnd confirm dir
1332  *-------------------------------------------------------------------
1333  */
1334
1335 typedef struct {
1336         ViewWindow *vw;
1337         GList *list;
1338 } CViewConfirmD;
1339
1340 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1341 {
1342         /* do nothing */
1343 }
1344
1345 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1346 {
1347         GList *work;
1348
1349         view_window_set_list(vw, NULL);
1350
1351         work = list;
1352         while (work)
1353                 {
1354                 FileData *fd = work->data;
1355                 work = work->next;
1356
1357                 if (isdir(fd->path))
1358                         {
1359                         if (!skip)
1360                                 {
1361                                 GList *list = NULL;
1362
1363                                 if (recurse)
1364                                         {
1365                                         list = filelist_recursive(fd->path);
1366                                         }
1367                                 else
1368                                         { /*FIXME */
1369                                         filelist_read(fd->path, &list, NULL);
1370                                         list = filelist_sort_path(list);
1371                                         list = filelist_filter(list, FALSE);
1372                                         }
1373                                 if (list) vw->list = g_list_concat(vw->list, list);
1374                                 }
1375                         }
1376                 else
1377                         {
1378                         /* FIXME: no filtering here */
1379                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1380                         }
1381                 }
1382
1383         if (vw->list)
1384                 {
1385                 FileData *fd;
1386
1387                 vw->list_pointer = vw->list;
1388                 fd = vw->list->data;
1389                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1390
1391                 work = vw->list->next;
1392                 if (options->image.enable_read_ahead && work)
1393                         {
1394                         fd = work->data;
1395                         image_prebuffer_set(vw->imd, fd);
1396                         }
1397                 }
1398         else
1399                 {
1400                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1401                 }
1402 }
1403
1404 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1405 {
1406         CViewConfirmD *d = data;
1407         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1408 }
1409
1410 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1411 {
1412         CViewConfirmD *d = data;
1413         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1414 }
1415
1416 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1417 {
1418         CViewConfirmD *d = data;
1419         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1420 }
1421
1422 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1423 {
1424         CViewConfirmD *d = data;
1425         filelist_free(d->list);
1426         g_free(d);
1427 }
1428
1429 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1430 {
1431         GtkWidget *menu;
1432         CViewConfirmD *d;
1433
1434         d = g_new(CViewConfirmD, 1);
1435         d->vw = vw;
1436         d->list = list;
1437
1438         menu = popup_menu_short_lived();
1439         g_signal_connect(G_OBJECT(menu), "destroy",
1440                          G_CALLBACK(view_dir_list_destroy), d);
1441
1442         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1443         menu_item_add_divider(menu);
1444         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1445         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1446         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1447         menu_item_add_divider(menu);
1448         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1449
1450         return menu;
1451 }
1452
1453 /*
1454  *-----------------------------------------------------------------------------
1455  * image drag and drop routines
1456  *-----------------------------------------------------------------------------
1457  */
1458
1459 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1460                                      gint x, gint y,
1461                                      GtkSelectionData *selection_data, guint info,
1462                                      guint time, gpointer data)
1463 {
1464         ViewWindow *vw = data;
1465         ImageWindow *imd;
1466
1467         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1468
1469         imd = vw->imd;
1470
1471         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1472                 {
1473                 CollectionData *source;
1474                 GList *list;
1475                 GList *info_list;
1476
1477                 if (info == TARGET_URI_LIST)
1478                         {
1479                         GList *work;
1480
1481                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1482
1483                         work = list;
1484                         while (work)
1485                                 {
1486                                 FileData *fd = work->data;
1487                                 if (isdir(fd->path))
1488                                         {
1489                                         GtkWidget *menu;
1490                                         menu = view_confirm_dir_list(vw, list);
1491                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1492                                         return;
1493                                         }
1494                                 work = work->next;
1495                                 }
1496
1497                         list = filelist_filter(list, FALSE);
1498
1499                         source = NULL;
1500                         info_list = NULL;
1501                         }
1502                 else
1503                         {
1504                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1505                         }
1506
1507                 if (list)
1508                         {
1509                         FileData *fd;
1510
1511                         fd = list->data;
1512                         if (isfile(fd->path))
1513                                 {
1514                                 view_slideshow_stop(vw);
1515                                 view_window_set_list(vw, NULL);
1516
1517                                 if (source && info_list)
1518                                         {
1519                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, options->image.zoom_mode));
1520                                         }
1521                                 else
1522                                         {
1523                                         if (list->next)
1524                                                 {
1525                                                 vw->list = list;
1526                                                 list = NULL;
1527
1528                                                 vw->list_pointer = vw->list;
1529                                                 }
1530                                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1531                                         }
1532                                 }
1533                         }
1534                 filelist_free(list);
1535                 g_list_free(info_list);
1536                 }
1537 }
1538
1539 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1540                                      GtkSelectionData *selection_data, guint info,
1541                                      guint time, gpointer data)
1542 {
1543         ViewWindow *vw = data;
1544         FileData *fd;
1545
1546         fd = image_get_fd(vw->imd);
1547
1548         if (fd)
1549                 {
1550                 gchar *text = NULL;
1551                 gint len;
1552                 gint plain_text;
1553                 GList *list;
1554
1555                 switch (info)
1556                         {
1557                         case TARGET_URI_LIST:
1558                                 plain_text = FALSE;
1559                                 break;
1560                         case TARGET_TEXT_PLAIN:
1561                         default:
1562                                 plain_text = TRUE;
1563                                 break;
1564                         }
1565                 list = g_list_append(NULL, fd);
1566                 text = uri_text_from_filelist(list, &len, plain_text);
1567                 g_list_free(list);
1568                 if (text)
1569                         {
1570                         gtk_selection_data_set(selection_data, selection_data->target,
1571                                                8, (guchar *)text, len);
1572                         g_free(text);
1573                         }
1574                 }
1575         else
1576                 {
1577                 gtk_selection_data_set(selection_data, selection_data->target,
1578                                        8, NULL, 0);
1579                 }
1580 }
1581
1582 static void view_window_dnd_init(ViewWindow *vw)
1583 {
1584         ImageWindow *imd;
1585
1586         imd = vw->imd;
1587
1588         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1589                             dnd_file_drag_types, dnd_file_drag_types_count,
1590                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1591         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1592                          G_CALLBACK(view_window_set_dnd_data), vw);
1593
1594         gtk_drag_dest_set(imd->pr,
1595                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1596                           dnd_file_drop_types, dnd_file_drop_types_count,
1597                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1598         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1599                          G_CALLBACK(view_window_get_dnd_data), vw);
1600 }
1601
1602 /*
1603  *-----------------------------------------------------------------------------
1604  * maintenance (for rename, move, remove)
1605  *-----------------------------------------------------------------------------
1606  */
1607
1608 static void view_real_removed(ViewWindow *vw, FileData *fd, GList *ignore_list)
1609 {
1610         ImageWindow *imd;
1611         FileData *image_fd;
1612
1613         imd = view_window_active_image(vw);
1614         image_fd = image_get_fd(imd);
1615
1616         if (image_fd && image_fd == fd)
1617                 {
1618                 if (vw->list)
1619                         {
1620                         view_list_step(vw, TRUE);
1621                         if (image_get_fd(imd) == image_fd)
1622                                 {
1623                                 view_list_step(vw, FALSE);
1624                                 }
1625                         }
1626                 else if (view_window_contains_collection(vw))
1627                         {
1628                         view_collection_step(vw, TRUE);
1629                         if (image_get_fd(imd) == image_fd)
1630                                 {
1631                                 view_collection_step(vw, FALSE);
1632                                 }
1633                         }
1634                 if (image_get_fd(imd) == image_fd)
1635                         {
1636                         image_change_fd(imd, NULL, image_zoom_get_default(imd, options->image.zoom_mode));
1637                         }
1638                 }
1639
1640         if (vw->list)
1641                 {
1642                 GList *work;
1643                 GList *old;
1644
1645                 old = vw->list_pointer;
1646
1647                 work = vw->list;
1648                 while (work)
1649                         {
1650                         FileData *chk_fd;
1651                         GList *chk_link;
1652
1653                         chk_fd = work->data;
1654                         chk_link = work;
1655                         work = work->next;
1656
1657                         if (chk_fd == fd)
1658                                 {
1659                                 if (vw->list_pointer == chk_link)
1660                                         {
1661                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1662                                         }
1663                                 vw->list = g_list_remove(vw->list, chk_fd);
1664                                 file_data_unref(chk_fd);
1665                                 }
1666                         }
1667
1668                 /* handles stepping correctly when same image is in the list more than once */
1669                 if (old && old != vw->list_pointer)
1670                         {
1671                         FileData *fd;
1672
1673                         if (vw->list_pointer)
1674                                 {
1675                                 fd = vw->list_pointer->data;
1676                                 }
1677                         else
1678                                 {
1679                                 fd = NULL;
1680                                 }
1681
1682                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1683                         }
1684                 }
1685
1686         image_osd_update(imd);
1687 }
1688
1689 static void view_real_moved(ViewWindow *vw, FileData *fd)
1690 {
1691 /*
1692         ImageWindow *imd;
1693         const gchar *image_path;
1694
1695         imd = view_window_active_image(vw);
1696 */
1697 /*
1698         image_path = image_get_path(imd);
1699
1700         if (image_path && strcmp(image_path, fd->change->source) == 0)
1701                 {
1702                 image_set_fd(imd, dest);
1703                 }
1704 */
1705 /*
1706         if (vw->list)
1707                 {
1708                 GList *work;
1709                 work = vw->list;
1710                 while (work)
1711                         {
1712                         gchar *chk_path;
1713
1714                         chk_path = work->data;
1715
1716                         if (strcmp(chk_path, source) == 0)
1717                                 {
1718                                 work->data = g_strdup(dest);
1719                                 g_free(chk_path);
1720                                 }
1721
1722                         work = work->next;
1723                         }
1724                 }
1725 */
1726 }
1727
1728 void view_window_maint_removed(FileData *fd, GList *ignore_list)
1729 {
1730         GList *work = view_window_list;
1731         while (work)
1732                 {
1733                 ViewWindow *vw = work->data;
1734                 work = work->next;
1735
1736                 view_real_removed(vw, fd, ignore_list);
1737                 }
1738 }
1739
1740 void view_window_maint_moved(FileData *fd)
1741 {
1742         GList *work = view_window_list;
1743         while (work)
1744                 {
1745                 ViewWindow *vw = work->data;
1746                 work = work->next;
1747
1748                 view_real_moved(vw, fd);
1749                 }
1750 }