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 "layout.h"
  26 #include "layout_image.h"
  27 #include "menu.h"
  28 #include "pixbuf-renderer.h"
  29 #include "pixbuf_util.h"
  30 #include "print.h"
  31 #include "slideshow.h"
  32 #include "utilops.h"
  33 #include "ui_bookmark.h"
  34 #include "ui_fileops.h"
  35 #include "ui_menu.h"
  36
  37 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  38
  39
  40 typedef struct _ViewWindow ViewWindow;
  41 struct _ViewWindow
  42 {
  43         GtkWidget *window;
  44         ImageWindow *imd;
  45         FullScreenData *fs;
  46         SlideShowData *ss;
  47
  48         GList *list;
  49         GList *list_pointer;
  50 };
  51
  52
  53 static GList *view_window_list = NULL;
  54
  55
  56 static GtkWidget *view_popup_menu(ViewWindow *vw);
  57 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  58 static void view_overlay_toggle(ViewWindow *vw);
  59
  60 static void view_slideshow_next(ViewWindow *vw);
  61 static void view_slideshow_prev(ViewWindow *vw);
  62 static void view_slideshow_start(ViewWindow *vw);
  63 static void view_slideshow_stop(ViewWindow *vw);
  64
  65 static void view_window_close(ViewWindow *vw);
  66
  67 static void view_window_dnd_init(ViewWindow *vw);
  68
  69
  70 /*
  71  *-----------------------------------------------------------------------------
  72  * misc
  73  *-----------------------------------------------------------------------------
  74  */
  75
  76 static ImageWindow *view_window_active_image(ViewWindow *vw)
  77 {
  78         if (vw->fs) return vw->fs->imd;
  79
  80         return vw->imd;
  81 }
  82
  83 static void view_window_set_list(ViewWindow *vw, GList *list)
  84 {
  85
  86         filelist_free(vw->list);
  87         vw->list = NULL;
  88         vw->list_pointer = NULL;
  89
  90         vw->list = filelist_copy(list);
  91 }
  92
  93 static gint view_window_contains_collection(ViewWindow *vw)
  94 {
  95         CollectionData *cd;
  96         CollectInfo *info;
  97
  98         cd = image_get_collection(view_window_active_image(vw), &info);
  99
 100         return (cd && info);
 101 }
 102
 103 static void view_collection_step(ViewWindow *vw, gint next)
 104 {
 105         ImageWindow *imd = view_window_active_image(vw);
 106         CollectionData *cd;
 107         CollectInfo *info;
 108         CollectInfo *read_ahead_info = NULL;
 109
 110         cd = image_get_collection(imd, &info);
 111
 112         if (!cd || !info) return;
 113
 114         if (next)
 115                 {
 116                 info = collection_next_by_info(cd, info);
 117                 if (options->image.enable_read_ahead)
 118                         {
 119                         read_ahead_info = collection_next_by_info(cd, info);
 120                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 121                         }
 122                 }
 123         else
 124                 {
 125                 info = collection_prev_by_info(cd, info);
 126                 if (options->image.enable_read_ahead)
 127                         {
 128                         read_ahead_info = collection_prev_by_info(cd, info);
 129                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 130                         }
 131                 }
 132
 133         if (info)
 134                 {
 135                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 136
 137                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 138                 }
 139
 140 }
 141
 142 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 143 {
 144         ImageWindow *imd = view_window_active_image(vw);
 145         CollectionData *cd;
 146         CollectInfo *info;
 147         CollectInfo *read_ahead_info = NULL;
 148
 149         cd = image_get_collection(imd, &info);
 150
 151         if (!cd || !info) return;
 152
 153         if (last)
 154                 {
 155                 info = collection_get_last(cd);
 156                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 157                 }
 158         else
 159                 {
 160                 info = collection_get_first(cd);
 161                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 162                 }
 163
 164         if (info)
 165                 {
 166                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, options->image.zoom_mode));
 167                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 168                 }
 169 }
 170
 171 static void view_list_step(ViewWindow *vw, gint next)
 172 {
 173         ImageWindow *imd = view_window_active_image(vw);
 174         FileData *fd;
 175         GList *work;
 176         GList *work_ahead;
 177
 178         if (!vw->list) return;
 179
 180         fd = image_get_fd(imd);
 181         if (!fd) return;
 182
 183         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 184                 {
 185                 work = vw->list_pointer;
 186                 }
 187         else
 188                 {
 189                 gint found = FALSE;
 190
 191                 work = vw->list;
 192                 while (work && !found)
 193                         {
 194                         FileData *temp;
 195
 196                         temp = work->data;
 197
 198                         if (fd == temp)
 199                                 {
 200                                 found = TRUE;
 201                                 }
 202                         else
 203                                 {
 204                                 work = work->next;
 205                                 }
 206                         }
 207                 }
 208         if (!work) return;
 209
 210         work_ahead = NULL;
 211         if (next)
 212                 {
 213                 work = work->next;
 214                 if (work) work_ahead = work->next;
 215                 }
 216         else
 217                 {
 218                 work = work->prev;
 219                 if (work) work_ahead = work->prev;
 220                 }
 221
 222         if (!work) return;
 223
 224         vw->list_pointer = work;
 225         fd = work->data;
 226         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 227
 228         if (options->image.enable_read_ahead && work_ahead)
 229                 {
 230                 FileData *next_fd = work_ahead->data;
 231                 image_prebuffer_set(imd, next_fd);
 232                 }
 233 }
 234
 235 static void view_list_step_to_end(ViewWindow *vw, gint last)
 236 {
 237         ImageWindow *imd = view_window_active_image(vw);
 238         FileData *fd;
 239         GList *work;
 240         GList *work_ahead;
 241
 242         if (!vw->list) return;
 243
 244         if (last)
 245                 {
 246                 work = g_list_last(vw->list);
 247                 work_ahead = work->prev;
 248                 }
 249         else
 250                 {
 251                 work = vw->list;
 252                 work_ahead = work->next;
 253                 }
 254
 255         vw->list_pointer = work;
 256         fd = work->data;
 257         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
 258
 259         if (options->image.enable_read_ahead && work_ahead)
 260                 {
 261                 FileData *next_fd = work_ahead->data;
 262                 image_prebuffer_set(imd, next_fd);
 263                 }
 264 }
 265
 266 static void view_step_next(ViewWindow *vw)
 267 {
 268         if (vw->ss)
 269                 {
 270                 view_slideshow_next(vw);
 271                 }
 272         else if (vw->list)
 273                 {
 274                 view_list_step(vw, TRUE);
 275                 }
 276         else
 277                 {
 278                 view_collection_step(vw, TRUE);
 279                 }
 280 }
 281
 282 static void view_step_prev(ViewWindow *vw)
 283 {
 284         if (vw->ss)
 285                 {
 286                 view_slideshow_prev(vw);
 287                 }
 288         else if (vw->list)
 289                 {
 290                 view_list_step(vw, FALSE);
 291                 }
 292         else
 293                 {
 294                 view_collection_step(vw, FALSE);
 295                 }
 296 }
 297
 298 static void view_step_to_end(ViewWindow *vw, gint last)
 299 {
 300         if (vw->list)
 301                 {
 302                 view_list_step_to_end(vw, last);
 303                 }
 304         else
 305                 {
 306                 view_collection_step_to_end(vw, last);
 307                 }
 308 }
 309
 310 /*
 311  *-----------------------------------------------------------------------------
 312  * view window keyboard
 313  *-----------------------------------------------------------------------------
 314  */
 315
 316 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 317 {
 318         ViewWindow *vw = data;
 319         ImageWindow *imd;
 320
 321         imd = view_window_active_image(vw);
 322         gdk_window_get_origin(imd->pr->window, x, y);
 323         popup_menu_position_clamp(menu, x, y, 0);
 324 }
 325
 326 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 327 {
 328         ViewWindow *vw = data;
 329         ImageWindow *imd;
 330         gint stop_signal;
 331         GtkWidget *menu;
 332         gint x = 0;
 333         gint y = 0;
 334
 335         imd = view_window_active_image(vw);
 336
 337         stop_signal = TRUE;
 338         switch (event->keyval)
 339                 {
 340                 case GDK_Left: case GDK_KP_Left:
 341                         x -= 1;
 342                         break;
 343                 case GDK_Right: case GDK_KP_Right:
 344                         x += 1;
 345                         break;
 346                 case GDK_Up: case GDK_KP_Up:
 347                         y -= 1;
 348                         break;
 349                 case GDK_Down: case GDK_KP_Down:
 350                         y += 1;
 351                         break;
 352                 default:
 353                         stop_signal = FALSE;
 354                         break;
 355                 }
 356
 357         if (x != 0 || y!= 0)
 358                 {
 359                 if (event->state & GDK_SHIFT_MASK)
 360                         {
 361                         x *= 3;
 362                         y *= 3;
 363                         }
 364
 365                 keyboard_scroll_calc(&x, &y, event);
 366                 image_scroll(imd, x, y);
 367                 }
 368
 369         if (stop_signal) return stop_signal;
 370
 371         if (event->state & GDK_CONTROL_MASK)
 372                 {
 373                 gint n = -1;
 374
 375                 stop_signal = TRUE;
 376                 switch (event->keyval)
 377                         {
 378                         case '1':
 379                                 n = 0;
 380                                 break;
 381                         case '2':
 382                                 n = 1;
 383                                 break;
 384                         case '3':
 385                                 n = 2;
 386                                 break;
 387                         case '4':
 388                                 n = 3;
 389                                 break;
 390                         case '5':
 391                                 n = 4;
 392                                 break;
 393                         case '6':
 394                                 n = 5;
 395                                 break;
 396                         case '7':
 397                                 n = 6;
 398                                 break;
 399                         case '8':
 400                                 n = 7;
 401                                 break;
 402                         case '9':
 403                                 n = 8;
 404                                 break;
 405                         case '0':
 406                                 n = 9;
 407                                 break;
 408                         case 'C': case 'c':
 409                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 410                                 break;
 411                         case 'M': case 'm':
 412                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 413                                 break;
 414                         case 'R': case 'r':
 415                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 416                                 break;
 417                         case 'D': case 'd':
 418                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 419                                 break;
 420                         case 'P': case 'p':
 421                                 info_window_new(image_get_fd(imd), NULL);
 422                                 break;
 423                         case 'W': case 'w':
 424                                 view_window_close(vw);
 425                                 break;
 426                         default:
 427                                 stop_signal = FALSE;
 428                                 break;
 429                         }
 430                 if (n != -1)
 431                         {
 432                         if (!editor_window_flag_set(n))
 433                                 {
 434                                 view_fullscreen_toggle(vw, TRUE);
 435                                 }
 436                         imd = view_window_active_image(vw);
 437                         start_editor_from_file(n, image_get_fd(imd));
 438                         }
 439                 }
 440         else if (event->state & GDK_SHIFT_MASK)
 441                 {
 442                 stop_signal = TRUE;
 443                 switch (event->keyval)
 444                         {
 445                         case 'R': case 'r':
 446                                 image_alter(imd, ALTER_ROTATE_180);
 447                                 break;
 448                         case 'M': case 'm':
 449                                 image_alter(imd, ALTER_MIRROR);
 450                                 break;
 451                         case 'F': case 'f':
 452                                 image_alter(imd, ALTER_FLIP);
 453                                 break;
 454                         case 'G': case 'g':
 455                                 image_alter(imd, ALTER_DESATURATE);
 456                                 break;
 457                         case 'P': case 'p':
 458                                 {
 459                                 FileData *fd;
 460
 461                                 view_fullscreen_toggle(vw, TRUE);
 462                                 imd = view_window_active_image(vw);
 463                                 fd = image_get_fd(imd);
 464                                 print_window_new(fd,
 465                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 466                                                  filelist_copy(vw->list), vw->window);
 467                                 }
 468                                 break;
 469                         default:
 470                                 stop_signal = FALSE;
 471                                 break;
 472                         }
 473                 }
 474         else
 475                 {
 476                 stop_signal = TRUE;
 477                 switch (event->keyval)
 478                         {
 479                         case GDK_Page_Up: case GDK_KP_Page_Up:
 480                         case GDK_BackSpace:
 481                         case 'B': case 'b':
 482                                 view_step_prev(vw);
 483                                 break;
 484                         case GDK_Page_Down: case GDK_KP_Page_Down:
 485                         case GDK_space:
 486                         case 'N': case 'n':
 487                                 view_step_next(vw);
 488                                 break;
 489                         case GDK_Home: case GDK_KP_Home:
 490                                 view_step_to_end(vw, FALSE);
 491                                 break;
 492                         case GDK_End: case GDK_KP_End:
 493                                 view_step_to_end(vw, TRUE);
 494                                 break;
 495                         case '+': case '=': case GDK_KP_Add:
 496                                 image_zoom_adjust(imd, get_zoom_increment());
 497                                 break;
 498                         case '-': case GDK_KP_Subtract:
 499                                 image_zoom_adjust(imd, -get_zoom_increment());
 500                                 break;
 501                         case 'X': case 'x': case GDK_KP_Multiply:
 502                                 image_zoom_set(imd, 0.0);
 503                                 break;
 504                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 505                                 image_zoom_set(imd, 1.0);
 506                                 break;
 507                         case '2':
 508                                 image_zoom_set(imd, 2.0);
 509                                 break;
 510                         case '3':
 511                                 image_zoom_set(imd, 3.0);
 512                                 break;
 513                         case '4':
 514                                 image_zoom_set(imd, 4.0);
 515                                 break;
 516                         case '7':
 517                                 image_zoom_set(imd, -4.0);
 518                                 break;
 519                         case '8':
 520                                 image_zoom_set(imd, -3.0);
 521                                 break;
 522                         case '9':
 523                                 image_zoom_set(imd, -2.0);
 524                                 break;
 525                         case 'W': case 'w':
 526                                 image_zoom_set_fill_geometry(imd, FALSE);
 527                                 break;
 528                         case 'H': case 'h':
 529                                 image_zoom_set_fill_geometry(imd, TRUE);
 530                                 break;
 531                         case 'R': case 'r':
 532                                 image_reload(imd);
 533                                 break;
 534                         case 'S': case 's':
 535                                 if (vw->ss)
 536                                         {
 537                                         view_slideshow_stop(vw);
 538                                         }
 539                                 else
 540                                         {
 541                                         view_slideshow_start(vw);
 542                                         }
 543                                 break;
 544                         case 'P': case 'p':
 545                                 slideshow_pause_toggle(vw->ss);
 546                                 break;
 547                         case 'F': case 'f':
 548                         case 'V': case 'v':
 549                         case GDK_F11:
 550                                 view_fullscreen_toggle(vw, FALSE);
 551                                 break;
 552                         case 'I': case 'i':
 553                                 view_overlay_toggle(vw);
 554                                 break;
 555                         case ']':
 556                                 image_alter(imd, ALTER_ROTATE_90);
 557                                 break;
 558                         case '[':
 559                                 image_alter(imd, ALTER_ROTATE_90_CC);
 560                                 break;
 561                         case GDK_Delete: case GDK_KP_Delete:
 562                                 if (options->file_ops.enable_delete_key)
 563                                         {
 564                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 565                                         }
 566                                 break;
 567                         case GDK_Escape:
 568                                 if (vw->fs)
 569                                         {
 570                                         view_fullscreen_toggle(vw, TRUE);
 571                                         }
 572                                 else
 573                                         {
 574                                         view_window_close(vw);
 575                                         }
 576                                 break;
 577                         case GDK_Menu:
 578                         case GDK_F10:
 579                                 menu = view_popup_menu(vw);
 580                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 581                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 582                                 break;
 583                         default:
 584                                 stop_signal = FALSE;
 585                                 break;
 586                         }
 587                 }
 588
 589         return stop_signal;
 590 }
 591
 592 /*
 593  *-----------------------------------------------------------------------------
 594  * view window main routines
 595  *-----------------------------------------------------------------------------
 596  */
 597
 598 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 599                       gdouble x, gdouble y, guint state, gpointer data)
 600 {
 601         ViewWindow *vw = data;
 602         GtkWidget *menu;
 603
 604         switch (button)
 605                 {
 606                 case 1:
 607                         view_step_next(vw);
 608                         break;
 609                 case 2:
 610                         view_step_prev(vw);
 611                         break;
 612                 case 3:
 613                         menu = view_popup_menu(vw);
 614                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 615                         break;
 616                 default:
 617                         break;
 618                 }
 619 }
 620
 621 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 622                       gdouble x, gdouble y, guint state, gpointer data)
 623 {
 624         ViewWindow *vw = data;
 625
 626         if (state & GDK_CONTROL_MASK)
 627                 {
 628                 switch (direction)
 629                         {
 630                         case GDK_SCROLL_UP:
 631                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 632                                 break;
 633                         case GDK_SCROLL_DOWN:
 634                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 635                                 break;
 636                         default:
 637                                 break;
 638                         }
 639                 }
 640         else if ( (state & GDK_SHIFT_MASK) != (options->mousewheel_scrolls))
 641                 {
 642                 switch (direction)
 643                         {
 644                         case GDK_SCROLL_UP:
 645                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 646                                 break;
 647                         case GDK_SCROLL_DOWN:
 648                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 649                                 break;
 650                         case GDK_SCROLL_LEFT:
 651                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 652                                 break;
 653                         case GDK_SCROLL_RIGHT:
 654                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 655                                 break;
 656                         default:
 657                                 break;
 658                         }
 659                 }
 660         else
 661                 {
 662                 switch (direction)
 663                         {
 664                         case GDK_SCROLL_UP:
 665                                 view_step_prev(vw);
 666                                 break;
 667                         case GDK_SCROLL_DOWN:
 668                                 view_step_next(vw);
 669                                 break;
 670                         default:
 671                                 break;
 672                         }
 673                 }
 674 }
 675
 676 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 677 {
 678         image_set_button_func(imd, button_cb, vw);
 679         image_set_scroll_func(imd, scroll_cb, vw);
 680 }
 681
 682 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 683 {
 684         ViewWindow *vw = data;
 685
 686         vw->fs = NULL;
 687
 688         if (vw->ss) vw->ss->imd = vw->imd;
 689 }
 690
 691 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 692 {
 693         if (force_off && !vw->fs) return;
 694
 695         if (vw->fs)
 696                 {
 697                 if (image_osd_get(vw->fs->imd, NULL, NULL))
 698                         {
 699                         image_osd_set(vw->imd, TRUE, TRUE);
 700                         }
 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, NULL, NULL))
 715                         {
 716                         image_osd_set(vw->imd, FALSE, FALSE);
 717                         image_osd_set(vw->fs->imd, TRUE, TRUE);
 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         if (!image_osd_get(imd, NULL, NULL))
 729                 {
 730                 image_osd_set(imd, TRUE, TRUE);
 731                 image_osd_icon(imd, IMAGE_OSD_ICON, -1);
 732                 }
 733         else
 734                 {
 735                 image_osd_set(imd, FALSE, FALSE);
 736                 }
 737 }
 738
 739 static void view_slideshow_next(ViewWindow *vw)
 740 {
 741         if (vw->ss) slideshow_next(vw->ss);
 742 }
 743
 744 static void view_slideshow_prev(ViewWindow *vw)
 745 {
 746         if (vw->ss) slideshow_prev(vw->ss);
 747 }
 748
 749 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 750 {
 751         ViewWindow *vw = data;
 752         GList *work;
 753         FileData *fd;
 754
 755         vw->ss = NULL;
 756
 757         work = vw->list;
 758         fd = image_get_fd(view_window_active_image(vw));
 759         while (work)
 760                 {
 761                 FileData *temp;
 762
 763                 temp = work->data;
 764                 if (fd == temp)
 765                         {
 766                         vw->list_pointer = work;
 767                         work = NULL;
 768                         }
 769                 else
 770                         {
 771                         work = work->next;
 772                         }
 773                 }
 774 }
 775
 776 static void view_slideshow_start(ViewWindow *vw)
 777 {
 778         if (!vw->ss)
 779                 {
 780                 CollectionData *cd;
 781                 CollectInfo *info;
 782
 783                 if (vw->list)
 784                         {
 785                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 786                                                                 filelist_copy(vw->list),
 787                                                                 view_slideshow_stop_func, vw);
 788                         vw->list_pointer = NULL;
 789                         return;
 790                         }
 791
 792                 cd = image_get_collection(view_window_active_image(vw), &info);
 793                 if (cd && info)
 794                         {
 795                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 796                                                                  view_slideshow_stop_func, vw, info);
 797                         }
 798                 }
 799 }
 800
 801 static void view_slideshow_stop(ViewWindow *vw)
 802 {
 803         if (vw->ss) slideshow_free(vw->ss);
 804 }
 805
 806 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 807 {
 808         ViewWindow *vw = data;
 809
 810         view_window_list = g_list_remove(view_window_list, vw);
 811
 812         view_slideshow_stop(vw);
 813         fullscreen_stop(vw->fs);
 814
 815         filelist_free(vw->list);
 816         g_free(vw);
 817 }
 818
 819 static void view_window_close(ViewWindow *vw)
 820 {
 821         view_slideshow_stop(vw);
 822         view_fullscreen_toggle(vw, TRUE);
 823         gtk_widget_destroy(vw->window);
 824 }
 825
 826 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 827 {
 828         ViewWindow *vw = data;
 829
 830         view_window_close(vw);
 831         return TRUE;
 832 }
 833
 834 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 835 {
 836         ViewWindow *vw;
 837         GtkAllocation req_size;
 838         GdkGeometry geometry;
 839         gint w, h;
 840
 841         if (!fd && !list && (!cd || !info)) return NULL;
 842
 843         vw = g_new0(ViewWindow, 1);
 844         vw->fs = NULL;
 845         vw->ss = NULL;
 846         vw->list = NULL;
 847         vw->list_pointer = NULL;
 848
 849         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 850
 851         geometry.min_width = 8;
 852         geometry.min_height = 8;
 853         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 854
 855         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 856         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 857
 858         vw->imd = image_new(FALSE);
 859
 860         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 861
 862         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 863
 864         image_auto_refresh(vw->imd, 0);
 865         image_top_window_set_sync(vw->imd, TRUE);
 866
 867         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 868         gtk_widget_show(vw->imd->widget);
 869
 870         view_window_dnd_init(vw);
 871
 872         view_image_set_buttons(vw, vw->imd);
 873
 874         g_signal_connect(G_OBJECT(vw->window), "destroy",
 875                          G_CALLBACK(view_window_destroy_cb), vw);
 876         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 877                          G_CALLBACK(view_window_delete_cb), vw);
 878         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 879                          G_CALLBACK(view_window_key_press_cb), vw);
 880         if (cd && info)
 881                 {
 882                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, options->image.zoom_mode));
 883                 if (options->image.enable_read_ahead)
 884                         {
 885                         CollectInfo * r_info = collection_next_by_info(cd, info);
 886                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 887                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 888                         }
 889                 }
 890         else if (list)
 891                 {
 892                 view_window_set_list(vw, list);
 893                 vw->list_pointer = vw->list;
 894                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL, options->image.zoom_mode));
 895
 896                 if (options->image.enable_read_ahead)
 897                         {
 898                         GList *work = vw->list->next;
 899                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 900                         }
 901                 }
 902         else
 903                 {
 904                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL, options->image.zoom_mode));
 905                 }
 906
 907         if (image_zoom_get(vw->imd) == 0.0)
 908                 {
 909                 pixbuf_renderer_get_image_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 910                 }
 911         else
 912                 {
 913                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 914                 }
 915         if (options->image.limit_window_size)
 916                 {
 917                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 918                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 919
 920                 if (w > mw) w = mw;
 921                 if (h > mh) h = mh;
 922                 }
 923
 924         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 925         req_size.x = req_size.y = 0;
 926         req_size.width = w;
 927         req_size.height = h;
 928         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 929
 930         gtk_widget_set_size_request(vw->imd->pr, w, h);
 931
 932         gtk_widget_show(vw->window);
 933
 934         view_window_list = g_list_append(view_window_list, vw);
 935
 936         return vw;
 937 }
 938
 939 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 940 {
 941         CollectionData *cd = data;
 942
 943         collection_unref(cd);
 944 }
 945
 946 void view_window_new(FileData *fd)
 947 {
 948         if (file_extension_match(fd->path, ".gqv"))
 949                 {
 950                 ViewWindow *vw;
 951                 CollectionData *cd;
 952                 CollectInfo *info;
 953
 954                 cd = collection_new(fd->path);
 955                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 956                         {
 957                         info = collection_get_first(cd);
 958                         }
 959                 else
 960                         {
 961                         collection_unref(cd);
 962                         cd = NULL;
 963                         info = NULL;
 964                         }
 965                 vw = real_view_window_new(NULL, NULL, cd, info);
 966                 if (vw && cd)
 967                         {
 968                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 969                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 970                         }
 971                 }
 972         else if (isdir(fd->path))
 973                 {
 974                 GList *list = NULL;
 975
 976                 if (filelist_read(fd->path, &list, NULL))
 977                         {
 978                         list = filelist_sort_path(list);
 979                         list = filelist_filter(list, FALSE);
 980                         }
 981                 real_view_window_new(NULL, list, NULL, NULL);
 982                 filelist_free(list);
 983                 }
 984         else
 985                 {
 986                 real_view_window_new(fd, NULL, NULL, NULL);
 987                 }
 988 }
 989
 990 void view_window_new_from_list(GList *list)
 991 {
 992         real_view_window_new(NULL, list, NULL, NULL);
 993 }
 994
 995 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 996 {
 997         real_view_window_new(NULL, NULL, cd, info);
 998 }
 999
1000 /*
1001  *-----------------------------------------------------------------------------
1002  * public
1003  *-----------------------------------------------------------------------------
1004  */
1005
1006 void view_window_colors_update(void)
1007 {
1008         GList *work;
1009
1010         work = view_window_list;
1011         while (work)
1012                 {
1013                 ViewWindow *vw = work->data;
1014                 work = work->next;
1015
1016                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1017                 }
1018 }
1019
1020 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1021 {
1022         GList *work;
1023
1024         work = view_window_list;
1025         while (work)
1026                 {
1027                 ViewWindow *vw = work->data;
1028                 work = work->next;
1029
1030                 if (vw->imd == imd ||
1031                     (vw->fs && vw->fs->imd == imd))
1032                         {
1033                         if (vw->ss)
1034                                 {
1035                                 gint n;
1036                                 gint t;
1037
1038                                 n = g_list_length(vw->ss->list_done);
1039                                 t = n + g_list_length(vw->ss->list);
1040                                 if (n == 0) n = t;
1041                                 if (index) *index = n - 1;
1042                                 if (total) *total = t;
1043                                 }
1044                         else
1045                                 {
1046                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1047                                 if (total) *total = g_list_length(vw->list);
1048                                 }
1049                         return TRUE;
1050                         }
1051                 }
1052
1053         return FALSE;
1054 }
1055
1056 /*
1057  *-----------------------------------------------------------------------------
1058  * view window menu routines and callbacks
1059  *-----------------------------------------------------------------------------
1060  */
1061
1062 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1063 {
1064         ViewWindow *vw = data;
1065         CollectionData *cd;
1066         CollectInfo *info;
1067
1068         cd = image_get_collection(vw->imd, &info);
1069
1070         if (cd && info)
1071                 {
1072                 view_window_new_from_collection(cd, info);
1073                 }
1074         else
1075                 {
1076                 view_window_new(image_get_fd(vw->imd));
1077                 }
1078 }
1079
1080 static void view_edit_cb(GtkWidget *widget, gpointer data)
1081 {
1082         ViewWindow *vw;
1083         ImageWindow *imd;
1084         gint n;
1085
1086         vw = submenu_item_get_data(widget);
1087         n = GPOINTER_TO_INT(data);
1088         if (!vw) return;
1089
1090         if (!editor_window_flag_set(n))
1091                 {
1092                 view_fullscreen_toggle(vw, TRUE);
1093                 }
1094
1095         imd = view_window_active_image(vw);
1096         start_editor_from_file(n, image_get_fd(imd));
1097 }
1098
1099 static void view_alter_cb(GtkWidget *widget, gpointer data)
1100 {
1101         ViewWindow *vw;
1102         AlterType type;
1103
1104         vw = submenu_item_get_data(widget);
1105         type = GPOINTER_TO_INT(data);
1106
1107         if (!vw) return;
1108         image_alter(vw->imd, type);
1109 }
1110
1111 static void view_info_cb(GtkWidget *widget, gpointer data)
1112 {
1113         ViewWindow *vw = data;
1114         ImageWindow *imd;
1115
1116         if (vw->fs) view_fullscreen_toggle(vw, FALSE);
1117
1118         imd = view_window_active_image(vw);
1119         info_window_new(image_get_fd(imd), NULL);
1120 }
1121
1122 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125         ImageWindow *imd;
1126
1127         imd = view_window_active_image(vw);
1128         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1129 }
1130
1131 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1132 {
1133         ViewWindow *vw = data;
1134
1135         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1136 }
1137
1138 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1139 {
1140         ViewWindow *vw = data;
1141
1142         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1143 }
1144
1145 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1146 {
1147         ViewWindow *vw = data;
1148
1149         image_zoom_set(view_window_active_image(vw), 1.0);
1150 }
1151
1152 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1153 {
1154         ViewWindow *vw = data;
1155
1156         image_zoom_set(view_window_active_image(vw), 0.0);
1157 }
1158
1159 static void view_copy_cb(GtkWidget *widget, gpointer data)
1160 {
1161         ViewWindow *vw = data;
1162         ImageWindow *imd;
1163
1164         imd = view_window_active_image(vw);
1165         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1166 }
1167
1168 static void view_move_cb(GtkWidget *widget, gpointer data)
1169 {
1170         ViewWindow *vw = data;
1171         ImageWindow *imd;
1172
1173         imd = view_window_active_image(vw);
1174         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1175 }
1176
1177 static void view_rename_cb(GtkWidget *widget, gpointer data)
1178 {
1179         ViewWindow *vw = data;
1180         ImageWindow *imd;
1181
1182         imd = view_window_active_image(vw);
1183         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1184 }
1185
1186 static void view_delete_cb(GtkWidget *widget, gpointer data)
1187 {
1188         ViewWindow *vw = data;
1189         ImageWindow *imd;
1190
1191         imd = view_window_active_image(vw);
1192         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1193 }
1194
1195 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1196 {
1197         ViewWindow *vw = data;
1198
1199         view_fullscreen_toggle(vw, FALSE);
1200 }
1201
1202 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1203 {
1204         ViewWindow *vw = data;
1205
1206         view_slideshow_start(vw);
1207 }
1208
1209 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1210 {
1211         ViewWindow *vw = data;
1212
1213         view_slideshow_stop(vw);
1214 }
1215
1216 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1217 {
1218         ViewWindow *vw = data;
1219
1220         slideshow_pause_toggle(vw->ss);
1221 }
1222
1223 static void view_close_cb(GtkWidget *widget, gpointer data)
1224 {
1225         ViewWindow *vw = data;
1226
1227         view_window_close(vw);
1228 }
1229
1230 static LayoutWindow *view_new_layout_with_path(const gchar *path)
1231 {
1232         LayoutWindow *nw;
1233
1234         nw = layout_new(NULL, FALSE, FALSE);
1235         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1236         layout_set_path(nw, path);
1237         return nw;
1238 }
1239
1240
1241 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1242 {
1243         ViewWindow *vw = data;
1244         LayoutWindow *lw;
1245         const gchar *path;
1246         ImageWindow *imd;
1247
1248         imd = view_window_active_image(vw);
1249
1250         if (!imd || !imd->image_fd) return;
1251         path = imd->image_fd->path;
1252         if (!path) return;
1253
1254         lw = layout_find_by_image_fd(imd);
1255         if (lw)
1256                 layout_set_path(lw, path);
1257         else
1258                 view_new_layout_with_path(path);
1259         view_window_close(vw);
1260 }
1261
1262 static GtkWidget *view_popup_menu(ViewWindow *vw)
1263 {
1264         GtkWidget *menu;
1265         GtkWidget *item;
1266
1267         menu = popup_menu_short_lived();
1268
1269         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1270         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1271         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1272         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1273         menu_item_add_divider(menu);
1274
1275         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1276         menu_item_add_divider(item);
1277         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1278
1279         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1280
1281         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1282
1283         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1284         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1285
1286         menu_item_add_divider(menu);
1287         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1288         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1289         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1290         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1291
1292         menu_item_add_divider(menu);
1293
1294         if (vw->ss)
1295                 {
1296                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1297                 if (slideshow_paused(vw->ss))
1298                         {
1299                         item = menu_item_add(menu, _("Continue slides_how"),
1300                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1301                         }
1302                 else
1303                         {
1304                         item = menu_item_add(menu, _("Pause slides_how"),
1305                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1306                         }
1307                 }
1308         else
1309                 {
1310                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1311                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1312                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1313                 gtk_widget_set_sensitive(item, FALSE);
1314                 }
1315
1316         if (vw->fs)
1317                 {
1318                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1319                 }
1320         else
1321                 {
1322                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1323                 }
1324
1325         menu_item_add_divider(menu);
1326         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1327
1328         return menu;
1329 }
1330
1331 /*
1332  *-------------------------------------------------------------------
1333  * dnd confirm dir
1334  *-------------------------------------------------------------------
1335  */
1336
1337 typedef struct {
1338         ViewWindow *vw;
1339         GList *list;
1340 } CViewConfirmD;
1341
1342 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1343 {
1344         /* do nothing */
1345 }
1346
1347 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1348 {
1349         GList *work;
1350
1351         view_window_set_list(vw, NULL);
1352
1353         work = list;
1354         while (work)
1355                 {
1356                 FileData *fd = work->data;
1357                 work = work->next;
1358
1359                 if (isdir(fd->path))
1360                         {
1361                         if (!skip)
1362                                 {
1363                                 GList *list = NULL;
1364
1365                                 if (recurse)
1366                                         {
1367                                         list = filelist_recursive(fd->path);
1368                                         }
1369                                 else
1370                                         { /*FIXME */
1371                                         filelist_read(fd->path, &list, NULL);
1372                                         list = filelist_sort_path(list);
1373                                         list = filelist_filter(list, FALSE);
1374                                         }
1375                                 if (list) vw->list = g_list_concat(vw->list, list);
1376                                 }
1377                         }
1378                 else
1379                         {
1380                         /* FIXME: no filtering here */
1381                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1382                         }
1383                 }
1384
1385         if (vw->list)
1386                 {
1387                 FileData *fd;
1388
1389                 vw->list_pointer = vw->list;
1390                 fd = vw->list->data;
1391                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1392
1393                 work = vw->list->next;
1394                 if (options->image.enable_read_ahead && work)
1395                         {
1396                         fd = work->data;
1397                         image_prebuffer_set(vw->imd, fd);
1398                         }
1399                 }
1400         else
1401                 {
1402                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd, options->image.zoom_mode));
1403                 }
1404 }
1405
1406 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1407 {
1408         CViewConfirmD *d = data;
1409         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1410 }
1411
1412 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1413 {
1414         CViewConfirmD *d = data;
1415         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1416 }
1417
1418 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1419 {
1420         CViewConfirmD *d = data;
1421         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1422 }
1423
1424 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1425 {
1426         CViewConfirmD *d = data;
1427         filelist_free(d->list);
1428         g_free(d);
1429 }
1430
1431 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1432 {
1433         GtkWidget *menu;
1434         CViewConfirmD *d;
1435
1436         d = g_new(CViewConfirmD, 1);
1437         d->vw = vw;
1438         d->list = list;
1439
1440         menu = popup_menu_short_lived();
1441         g_signal_connect(G_OBJECT(menu), "destroy",
1442                          G_CALLBACK(view_dir_list_destroy), d);
1443
1444         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1445         menu_item_add_divider(menu);
1446         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1447         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1448         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1449         menu_item_add_divider(menu);
1450         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1451
1452         return menu;
1453 }
1454
1455 /*
1456  *-----------------------------------------------------------------------------
1457  * image drag and drop routines
1458  *-----------------------------------------------------------------------------
1459  */
1460
1461 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1462                                      gint x, gint y,
1463                                      GtkSelectionData *selection_data, guint info,
1464                                      guint time, gpointer data)
1465 {
1466         ViewWindow *vw = data;
1467         ImageWindow *imd;
1468
1469         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1470
1471         imd = vw->imd;
1472
1473         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1474                 {
1475                 CollectionData *source;
1476                 GList *list;
1477                 GList *info_list;
1478
1479                 if (info == TARGET_URI_LIST)
1480                         {
1481                         GList *work;
1482
1483                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1484
1485                         work = list;
1486                         while (work)
1487                                 {
1488                                 FileData *fd = work->data;
1489                                 if (isdir(fd->path))
1490                                         {
1491                                         GtkWidget *menu;
1492                                         menu = view_confirm_dir_list(vw, list);
1493                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1494                                         return;
1495                                         }
1496                                 work = work->next;
1497                                 }
1498
1499                         list = filelist_filter(list, FALSE);
1500
1501                         source = NULL;
1502                         info_list = NULL;
1503                         }
1504                 else
1505                         {
1506                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1507                         }
1508
1509                 if (list)
1510                         {
1511                         FileData *fd;
1512
1513                         fd = list->data;
1514                         if (isfile(fd->path))
1515                                 {
1516                                 view_slideshow_stop(vw);
1517                                 view_window_set_list(vw, NULL);
1518
1519                                 if (source && info_list)
1520                                         {
1521                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, options->image.zoom_mode));
1522                                         }
1523                                 else
1524                                         {
1525                                         if (list->next)
1526                                                 {
1527                                                 vw->list = list;
1528                                                 list = NULL;
1529
1530                                                 vw->list_pointer = vw->list;
1531                                                 }
1532                                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1533                                         }
1534                                 }
1535                         }
1536                 filelist_free(list);
1537                 g_list_free(info_list);
1538                 }
1539 }
1540
1541 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1542                                      GtkSelectionData *selection_data, guint info,
1543                                      guint time, gpointer data)
1544 {
1545         ViewWindow *vw = data;
1546         FileData *fd;
1547
1548         fd = image_get_fd(vw->imd);
1549
1550         if (fd)
1551                 {
1552                 gchar *text = NULL;
1553                 gint len;
1554                 gint plain_text;
1555                 GList *list;
1556
1557                 switch (info)
1558                         {
1559                         case TARGET_URI_LIST:
1560                                 plain_text = FALSE;
1561                                 break;
1562                         case TARGET_TEXT_PLAIN:
1563                         default:
1564                                 plain_text = TRUE;
1565                                 break;
1566                         }
1567                 list = g_list_append(NULL, fd);
1568                 text = uri_text_from_filelist(list, &len, plain_text);
1569                 g_list_free(list);
1570                 if (text)
1571                         {
1572                         gtk_selection_data_set (selection_data, selection_data->target,
1573                                                 8, (guchar *)text, len);
1574                         g_free(text);
1575                         }
1576                 }
1577         else
1578                 {
1579                 gtk_selection_data_set (selection_data, selection_data->target,
1580                                         8, NULL, 0);
1581                 }
1582 }
1583
1584 static void view_window_dnd_init(ViewWindow *vw)
1585 {
1586         ImageWindow *imd;
1587
1588         imd = vw->imd;
1589
1590         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1591                             dnd_file_drag_types, dnd_file_drag_types_count,
1592                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1593         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1594                          G_CALLBACK(view_window_set_dnd_data), vw);
1595
1596         gtk_drag_dest_set(imd->pr,
1597                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1598                           dnd_file_drop_types, dnd_file_drop_types_count,
1599                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1600         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1601                          G_CALLBACK(view_window_get_dnd_data), vw);
1602 }
1603
1604 /*
1605  *-----------------------------------------------------------------------------
1606  * maintenance (for rename, move, remove)
1607  *-----------------------------------------------------------------------------
1608  */
1609
1610 static void view_real_removed(ViewWindow *vw, FileData *fd, GList *ignore_list)
1611 {
1612         ImageWindow *imd;
1613         FileData *image_fd;
1614
1615         imd = view_window_active_image(vw);
1616         image_fd = image_get_fd(imd);
1617
1618         if (image_fd && image_fd == fd)
1619                 {
1620                 if (vw->list)
1621                         {
1622                         view_list_step(vw, TRUE);
1623                         if (image_get_fd(imd) == image_fd)
1624                                 {
1625                                 view_list_step(vw, FALSE);
1626                                 }
1627                         }
1628                 else if (view_window_contains_collection(vw))
1629                         {
1630                         view_collection_step(vw, TRUE);
1631                         if (image_get_fd(imd) == image_fd)
1632                                 {
1633                                 view_collection_step(vw, FALSE);
1634                                 }
1635                         }
1636                 if (image_get_fd(imd) == image_fd)
1637                         {
1638                         image_change_fd(imd, NULL, image_zoom_get_default(imd, options->image.zoom_mode));
1639                         }
1640                 }
1641
1642         if (vw->list)
1643                 {
1644                 GList *work;
1645                 GList *old;
1646
1647                 old = vw->list_pointer;
1648
1649                 work = vw->list;
1650                 while (work)
1651                         {
1652                         FileData *chk_fd;
1653                         GList *chk_link;
1654
1655                         chk_fd = work->data;
1656                         chk_link = work;
1657                         work = work->next;
1658
1659                         if (chk_fd == fd)
1660                                 {
1661                                 if (vw->list_pointer == chk_link)
1662                                         {
1663                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1664                                         }
1665                                 vw->list = g_list_remove(vw->list, chk_fd);
1666                                 file_data_unref(chk_fd);
1667                                 }
1668                         }
1669
1670                 /* handles stepping correctly when same image is in the list more than once */
1671                 if (old && old != vw->list_pointer)
1672                         {
1673                         FileData *fd;
1674
1675                         if (vw->list_pointer)
1676                                 {
1677                                 fd = vw->list_pointer->data;
1678                                 }
1679                         else
1680                                 {
1681                                 fd = NULL;
1682                                 }
1683
1684                         image_change_fd(imd, fd, image_zoom_get_default(imd, options->image.zoom_mode));
1685                         }
1686                 }
1687
1688         image_osd_update(imd);
1689 }
1690
1691 static void view_real_moved(ViewWindow *vw, FileData *fd)
1692 {
1693 /*
1694         ImageWindow *imd;
1695         const gchar *image_path;
1696
1697         imd = view_window_active_image(vw);
1698 */
1699 /*
1700         image_path = image_get_path(imd);
1701
1702         if (image_path && strcmp(image_path, fd->change->source) == 0)
1703                 {
1704                 image_set_fd(imd, dest);
1705                 }
1706 */
1707 /*
1708         if (vw->list)
1709                 {
1710                 GList *work;
1711                 work = vw->list;
1712                 while (work)
1713                         {
1714                         gchar *chk_path;
1715
1716                         chk_path = work->data;
1717
1718                         if (strcmp(chk_path, source) == 0)
1719                                 {
1720                                 work->data = g_strdup(dest);
1721                                 g_free(chk_path);
1722                                 }
1723
1724                         work = work->next;
1725                         }
1726                 }
1727 */
1728 }
1729
1730 void view_window_maint_removed(FileData *fd, GList *ignore_list)
1731 {
1732         GList *work = view_window_list;
1733         while (work)
1734                 {
1735                 ViewWindow *vw = work->data;
1736                 work = work->next;
1737
1738                 view_real_removed(vw, fd, ignore_list);
1739                 }
1740 }
1741
1742 void view_window_maint_moved(FileData *fd)
1743 {
1744         GList *work = view_window_list;
1745         while (work)
1746                 {
1747                 ViewWindow *vw = work->data;
1748                 work = work->next;
1749
1750                 view_real_moved(vw, fd);
1751                 }
1752 }
1753