src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2009 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 "layout.h"
  26 #include "layout_image.h"
  27 #include "menu.h"
  28 #include "misc.h"
  29 #include "pixbuf_util.h"
  30 #include "pixbuf-renderer.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "ui_fileops.h"
  34 #include "ui_menu.h"
  35 #include "uri_utils.h"
  36 #include "utilops.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         /* file list for edit menu */
  54         GList *editmenu_fd_list;
  55 };
  56
  57
  58 static GList *view_window_list = NULL;
  59
  60
  61 static GtkWidget *view_popup_menu(ViewWindow *vw);
  62 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  63 static void view_overlay_toggle(ViewWindow *vw);
  64
  65 static void view_slideshow_next(ViewWindow *vw);
  66 static void view_slideshow_prev(ViewWindow *vw);
  67 static void view_slideshow_start(ViewWindow *vw);
  68 static void view_slideshow_stop(ViewWindow *vw);
  69
  70 static void view_window_close(ViewWindow *vw);
  71
  72 static void view_window_dnd_init(ViewWindow *vw);
  73
  74 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  75
  76 /*
  77  *-----------------------------------------------------------------------------
  78  * misc
  79  *-----------------------------------------------------------------------------
  80  */
  81
  82 static ImageWindow *view_window_active_image(ViewWindow *vw)
  83 {
  84         if (vw->fs) return vw->fs->imd;
  85
  86         return vw->imd;
  87 }
  88
  89 static void view_window_set_list(ViewWindow *vw, GList *list)
  90 {
  91
  92         filelist_free(vw->list);
  93         vw->list = NULL;
  94         vw->list_pointer = NULL;
  95
  96         vw->list = filelist_copy(list);
  97 }
  98
  99 static gboolean view_window_contains_collection(ViewWindow *vw)
 100 {
 101         CollectionData *cd;
 102         CollectInfo *info;
 103
 104         cd = image_get_collection(view_window_active_image(vw), &info);
 105
 106         return (cd && info);
 107 }
 108
 109 static void view_collection_step(ViewWindow *vw, gboolean next)
 110 {
 111         ImageWindow *imd = view_window_active_image(vw);
 112         CollectionData *cd;
 113         CollectInfo *info;
 114         CollectInfo *read_ahead_info = NULL;
 115
 116         cd = image_get_collection(imd, &info);
 117
 118         if (!cd || !info) return;
 119
 120         if (next)
 121                 {
 122                 info = collection_next_by_info(cd, info);
 123                 if (options->image.enable_read_ahead)
 124                         {
 125                         read_ahead_info = collection_next_by_info(cd, info);
 126                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 127                         }
 128                 }
 129         else
 130                 {
 131                 info = collection_prev_by_info(cd, info);
 132                 if (options->image.enable_read_ahead)
 133                         {
 134                         read_ahead_info = collection_prev_by_info(cd, info);
 135                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 136                         }
 137                 }
 138
 139         if (info)
 140                 {
 141                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 142
 143                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 144                 }
 145
 146 }
 147
 148 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 149 {
 150         ImageWindow *imd = view_window_active_image(vw);
 151         CollectionData *cd;
 152         CollectInfo *info;
 153         CollectInfo *read_ahead_info = NULL;
 154
 155         cd = image_get_collection(imd, &info);
 156
 157         if (!cd || !info) return;
 158
 159         if (last)
 160                 {
 161                 info = collection_get_last(cd);
 162                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 163                 }
 164         else
 165                 {
 166                 info = collection_get_first(cd);
 167                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 168                 }
 169
 170         if (info)
 171                 {
 172                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 173                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 174                 }
 175 }
 176
 177 static void view_list_step(ViewWindow *vw, gboolean next)
 178 {
 179         ImageWindow *imd = view_window_active_image(vw);
 180         FileData *fd;
 181         GList *work;
 182         GList *work_ahead;
 183
 184         if (!vw->list) return;
 185
 186         fd = image_get_fd(imd);
 187         if (!fd) return;
 188
 189         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 190                 {
 191                 work = vw->list_pointer;
 192                 }
 193         else
 194                 {
 195                 gboolean found = FALSE;
 196
 197                 work = vw->list;
 198                 while (work && !found)
 199                         {
 200                         FileData *temp;
 201
 202                         temp = work->data;
 203
 204                         if (fd == temp)
 205                                 {
 206                                 found = TRUE;
 207                                 }
 208                         else
 209                                 {
 210                                 work = work->next;
 211                                 }
 212                         }
 213                 }
 214         if (!work) return;
 215
 216         work_ahead = NULL;
 217         if (next)
 218                 {
 219                 work = work->next;
 220                 if (work) work_ahead = work->next;
 221                 }
 222         else
 223                 {
 224                 work = work->prev;
 225                 if (work) work_ahead = work->prev;
 226                 }
 227
 228         if (!work) return;
 229
 230         vw->list_pointer = work;
 231         fd = work->data;
 232         image_change_fd(imd, fd, image_zoom_get_default(imd));
 233
 234         if (options->image.enable_read_ahead && work_ahead)
 235                 {
 236                 FileData *next_fd = work_ahead->data;
 237                 image_prebuffer_set(imd, next_fd);
 238                 }
 239 }
 240
 241 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 242 {
 243         ImageWindow *imd = view_window_active_image(vw);
 244         FileData *fd;
 245         GList *work;
 246         GList *work_ahead;
 247
 248         if (!vw->list) return;
 249
 250         if (last)
 251                 {
 252                 work = g_list_last(vw->list);
 253                 work_ahead = work->prev;
 254                 }
 255         else
 256                 {
 257                 work = vw->list;
 258                 work_ahead = work->next;
 259                 }
 260
 261         vw->list_pointer = work;
 262         fd = work->data;
 263         image_change_fd(imd, fd, image_zoom_get_default(imd));
 264
 265         if (options->image.enable_read_ahead && work_ahead)
 266                 {
 267                 FileData *next_fd = work_ahead->data;
 268                 image_prebuffer_set(imd, next_fd);
 269                 }
 270 }
 271
 272 static void view_step_next(ViewWindow *vw)
 273 {
 274         if (vw->ss)
 275                 {
 276                 view_slideshow_next(vw);
 277                 }
 278         else if (vw->list)
 279                 {
 280                 view_list_step(vw, TRUE);
 281                 }
 282         else
 283                 {
 284                 view_collection_step(vw, TRUE);
 285                 }
 286 }
 287
 288 static void view_step_prev(ViewWindow *vw)
 289 {
 290         if (vw->ss)
 291                 {
 292                 view_slideshow_prev(vw);
 293                 }
 294         else if (vw->list)
 295                 {
 296                 view_list_step(vw, FALSE);
 297                 }
 298         else
 299                 {
 300                 view_collection_step(vw, FALSE);
 301                 }
 302 }
 303
 304 static void view_step_to_end(ViewWindow *vw, gboolean last)
 305 {
 306         if (vw->list)
 307                 {
 308                 view_list_step_to_end(vw, last);
 309                 }
 310         else
 311                 {
 312                 view_collection_step_to_end(vw, last);
 313                 }
 314 }
 315
 316 /*
 317  *-----------------------------------------------------------------------------
 318  * view window keyboard
 319  *-----------------------------------------------------------------------------
 320  */
 321
 322 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 323 {
 324         ViewWindow *vw = data;
 325         ImageWindow *imd;
 326
 327         imd = view_window_active_image(vw);
 328         gdk_window_get_origin(imd->pr->window, x, y);
 329         popup_menu_position_clamp(menu, x, y, 0);
 330 }
 331
 332 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 333 {
 334         ViewWindow *vw = data;
 335         ImageWindow *imd;
 336         gint stop_signal;
 337         GtkWidget *menu;
 338         gint x = 0;
 339         gint y = 0;
 340
 341         imd = view_window_active_image(vw);
 342
 343         stop_signal = TRUE;
 344         switch (event->keyval)
 345                 {
 346                 case GDK_Left: case GDK_KP_Left:
 347                         x -= 1;
 348                         break;
 349                 case GDK_Right: case GDK_KP_Right:
 350                         x += 1;
 351                         break;
 352                 case GDK_Up: case GDK_KP_Up:
 353                         y -= 1;
 354                         break;
 355                 case GDK_Down: case GDK_KP_Down:
 356                         y += 1;
 357                         break;
 358                 default:
 359                         stop_signal = FALSE;
 360                         break;
 361                 }
 362
 363         if (x != 0 || y!= 0)
 364                 {
 365                 if (event->state & GDK_SHIFT_MASK)
 366                         {
 367                         x *= 3;
 368                         y *= 3;
 369                         }
 370
 371                 keyboard_scroll_calc(&x, &y, event);
 372                 image_scroll(imd, x, y);
 373                 }
 374
 375         if (stop_signal) return stop_signal;
 376
 377         if (event->state & GDK_CONTROL_MASK)
 378                 {
 379                 gint n = -1;
 380
 381                 stop_signal = TRUE;
 382                 switch (event->keyval)
 383                         {
 384                         case '1':
 385                                 n = 0;
 386                                 break;
 387                         case '2':
 388                                 n = 1;
 389                                 break;
 390                         case '3':
 391                                 n = 2;
 392                                 break;
 393                         case '4':
 394                                 n = 3;
 395                                 break;
 396                         case '5':
 397                                 n = 4;
 398                                 break;
 399                         case '6':
 400                                 n = 5;
 401                                 break;
 402                         case '7':
 403                                 n = 6;
 404                                 break;
 405                         case '8':
 406                                 n = 7;
 407                                 break;
 408                         case '9':
 409                                 n = 8;
 410                                 break;
 411                         case '0':
 412                                 n = 9;
 413                                 break;
 414                         case 'C': case 'c':
 415                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 416                                 break;
 417                         case 'M': case 'm':
 418                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 419                                 break;
 420                         case 'R': case 'r':
 421                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 422                                 break;
 423                         case 'D': case 'd':
 424                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 425                                 break;
 426                         case 'W': case 'w':
 427                                 view_window_close(vw);
 428                                 break;
 429                         default:
 430                                 stop_signal = FALSE;
 431                                 break;
 432                         }
 433                 }
 434         else if (event->state & GDK_SHIFT_MASK)
 435                 {
 436                 stop_signal = TRUE;
 437                 switch (event->keyval)
 438                         {
 439                         case 'R': case 'r':
 440                                 image_alter_orientation(imd, ALTER_ROTATE_180);
 441                                 break;
 442                         case 'M': case 'm':
 443                                 image_alter_orientation(imd, ALTER_MIRROR);
 444                                 break;
 445                         case 'F': case 'f':
 446                                 image_alter_orientation(imd, ALTER_FLIP);
 447                                 break;
 448                         case 'G': case 'g':
 449                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 450                                 break;
 451                         case 'P': case 'p':
 452                                 {
 453                                 FileData *fd;
 454
 455                                 view_fullscreen_toggle(vw, TRUE);
 456                                 imd = view_window_active_image(vw);
 457                                 fd = image_get_fd(imd);
 458                                 print_window_new(fd,
 459                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 460                                                  filelist_copy(vw->list), vw->window);
 461                                 }
 462                                 break;
 463                         default:
 464                                 stop_signal = FALSE;
 465                                 break;
 466                         }
 467                 }
 468         else
 469                 {
 470                 stop_signal = TRUE;
 471                 switch (event->keyval)
 472                         {
 473                         case GDK_Page_Up: case GDK_KP_Page_Up:
 474                         case GDK_BackSpace:
 475                         case 'B': case 'b':
 476                                 view_step_prev(vw);
 477                                 break;
 478                         case GDK_Page_Down: case GDK_KP_Page_Down:
 479                         case GDK_space:
 480                         case 'N': case 'n':
 481                                 view_step_next(vw);
 482                                 break;
 483                         case GDK_Home: case GDK_KP_Home:
 484                                 view_step_to_end(vw, FALSE);
 485                                 break;
 486                         case GDK_End: case GDK_KP_End:
 487                                 view_step_to_end(vw, TRUE);
 488                                 break;
 489                         case '+': case '=': case GDK_KP_Add:
 490                                 image_zoom_adjust(imd, get_zoom_increment());
 491                                 break;
 492                         case '-': case GDK_KP_Subtract:
 493                                 image_zoom_adjust(imd, -get_zoom_increment());
 494                                 break;
 495                         case 'X': case 'x': case GDK_KP_Multiply:
 496                                 image_zoom_set(imd, 0.0);
 497                                 break;
 498                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 499                                 image_zoom_set(imd, 1.0);
 500                                 break;
 501                         case '2':
 502                                 image_zoom_set(imd, 2.0);
 503                                 break;
 504                         case '3':
 505                                 image_zoom_set(imd, 3.0);
 506                                 break;
 507                         case '4':
 508                                 image_zoom_set(imd, 4.0);
 509                                 break;
 510                         case '7':
 511                                 image_zoom_set(imd, -4.0);
 512                                 break;
 513                         case '8':
 514                                 image_zoom_set(imd, -3.0);
 515                                 break;
 516                         case '9':
 517                                 image_zoom_set(imd, -2.0);
 518                                 break;
 519                         case 'W': case 'w':
 520                                 image_zoom_set_fill_geometry(imd, FALSE);
 521                                 break;
 522                         case 'H': case 'h':
 523                                 image_zoom_set_fill_geometry(imd, TRUE);
 524                                 break;
 525                         case 'R': case 'r':
 526                                 image_reload(imd);
 527                                 break;
 528                         case 'S': case 's':
 529                                 if (vw->ss)
 530                                         {
 531                                         view_slideshow_stop(vw);
 532                                         }
 533                                 else
 534                                         {
 535                                         view_slideshow_start(vw);
 536                                         }
 537                                 break;
 538                         case 'P': case 'p':
 539                                 slideshow_pause_toggle(vw->ss);
 540                                 break;
 541                         case 'F': case 'f':
 542                         case 'V': case 'v':
 543                         case GDK_F11:
 544                                 view_fullscreen_toggle(vw, FALSE);
 545                                 break;
 546                         case 'I': case 'i':
 547                                 view_overlay_toggle(vw);
 548                                 break;
 549                         case ']':
 550                                 image_alter_orientation(imd, ALTER_ROTATE_90);
 551                                 break;
 552                         case '[':
 553                                 image_alter_orientation(imd, ALTER_ROTATE_90_CC);
 554                                 break;
 555                         case GDK_Delete: case GDK_KP_Delete:
 556                                 if (options->file_ops.enable_delete_key)
 557                                         {
 558                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 559                                         }
 560                                 break;
 561                         case GDK_Escape:
 562                                 if (vw->fs)
 563                                         {
 564                                         view_fullscreen_toggle(vw, TRUE);
 565                                         }
 566                                 else
 567                                         {
 568                                         view_window_close(vw);
 569                                         }
 570                                 break;
 571                         case GDK_Menu:
 572                         case GDK_F10:
 573                                 menu = view_popup_menu(vw);
 574                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 575                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 576                                 break;
 577                         default:
 578                                 stop_signal = FALSE;
 579                                 break;
 580                         }
 581                 }
 582
 583         return stop_signal;
 584 }
 585
 586 /*
 587  *-----------------------------------------------------------------------------
 588  * view window main routines
 589  *-----------------------------------------------------------------------------
 590  */
 591 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 592 {
 593         ViewWindow *vw = data;
 594         GtkWidget *menu;
 595
 596         switch (event->button)
 597                 {
 598                 case MOUSE_BUTTON_LEFT:
 599                         view_step_next(vw);
 600                         break;
 601                 case MOUSE_BUTTON_MIDDLE:
 602                         view_step_prev(vw);
 603                         break;
 604                 case MOUSE_BUTTON_RIGHT:
 605                         menu = view_popup_menu(vw);
 606                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 607                         break;
 608                 default:
 609                         break;
 610                 }
 611 }
 612
 613 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 614 {
 615         ViewWindow *vw = data;
 616
 617         if (event->state & GDK_CONTROL_MASK)
 618                 {
 619                 switch (event->direction)
 620                         {
 621                         case GDK_SCROLL_UP:
 622                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 623                                 break;
 624                         case GDK_SCROLL_DOWN:
 625                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 626                                 break;
 627                         default:
 628                                 break;
 629                         }
 630                 }
 631         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 632                 {
 633                 switch (event->direction)
 634                         {
 635                         case GDK_SCROLL_UP:
 636                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 637                                 break;
 638                         case GDK_SCROLL_DOWN:
 639                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 640                                 break;
 641                         case GDK_SCROLL_LEFT:
 642                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 643                                 break;
 644                         case GDK_SCROLL_RIGHT:
 645                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 646                                 break;
 647                         default:
 648                                 break;
 649                         }
 650                 }
 651         else
 652                 {
 653                 switch (event->direction)
 654                         {
 655                         case GDK_SCROLL_UP:
 656                                 view_step_prev(vw);
 657                                 break;
 658                         case GDK_SCROLL_DOWN:
 659                                 view_step_next(vw);
 660                                 break;
 661                         default:
 662                                 break;
 663                         }
 664                 }
 665 }
 666
 667 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 668 {
 669         image_set_button_func(imd, button_cb, vw);
 670         image_set_scroll_func(imd, scroll_cb, vw);
 671 }
 672
 673 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 674 {
 675         ViewWindow *vw = data;
 676
 677         vw->fs = NULL;
 678
 679         if (vw->ss) vw->ss->imd = vw->imd;
 680 }
 681
 682 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 683 {
 684         if (force_off && !vw->fs) return;
 685
 686         if (vw->fs)
 687                 {
 688                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 689                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 690
 691                 fullscreen_stop(vw->fs);
 692                 }
 693         else
 694                 {
 695                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 696
 697                 view_image_set_buttons(vw, vw->fs->imd);
 698                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 699                                  G_CALLBACK(view_window_key_press_cb), vw);
 700
 701                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 702
 703                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 704                         {
 705                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 706                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 707                         }
 708                 }
 709 }
 710
 711 static void view_overlay_toggle(ViewWindow *vw)
 712 {
 713         ImageWindow *imd;
 714
 715         imd = view_window_active_image(vw);
 716
 717         image_osd_toggle(imd);
 718 }
 719
 720 static void view_slideshow_next(ViewWindow *vw)
 721 {
 722         if (vw->ss) slideshow_next(vw->ss);
 723 }
 724
 725 static void view_slideshow_prev(ViewWindow *vw)
 726 {
 727         if (vw->ss) slideshow_prev(vw->ss);
 728 }
 729
 730 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 731 {
 732         ViewWindow *vw = data;
 733         GList *work;
 734         FileData *fd;
 735
 736         vw->ss = NULL;
 737
 738         work = vw->list;
 739         fd = image_get_fd(view_window_active_image(vw));
 740         while (work)
 741                 {
 742                 FileData *temp;
 743
 744                 temp = work->data;
 745                 if (fd == temp)
 746                         {
 747                         vw->list_pointer = work;
 748                         work = NULL;
 749                         }
 750                 else
 751                         {
 752                         work = work->next;
 753                         }
 754                 }
 755 }
 756
 757 static void view_slideshow_start(ViewWindow *vw)
 758 {
 759         if (!vw->ss)
 760                 {
 761                 CollectionData *cd;
 762                 CollectInfo *info;
 763
 764                 if (vw->list)
 765                         {
 766                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 767                                                                 filelist_copy(vw->list),
 768                                                                 view_slideshow_stop_func, vw);
 769                         vw->list_pointer = NULL;
 770                         return;
 771                         }
 772
 773                 cd = image_get_collection(view_window_active_image(vw), &info);
 774                 if (cd && info)
 775                         {
 776                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 777                                                                  view_slideshow_stop_func, vw, info);
 778                         }
 779                 }
 780 }
 781
 782 static void view_slideshow_stop(ViewWindow *vw)
 783 {
 784         if (vw->ss) slideshow_free(vw->ss);
 785 }
 786
 787 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 788 {
 789         ViewWindow *vw = data;
 790
 791         view_window_list = g_list_remove(view_window_list, vw);
 792
 793         view_slideshow_stop(vw);
 794         fullscreen_stop(vw->fs);
 795
 796         filelist_free(vw->list);
 797
 798         file_data_unregister_notify_func(view_window_notify_cb, vw);
 799
 800         g_free(vw);
 801 }
 802
 803 static void view_window_close(ViewWindow *vw)
 804 {
 805         view_slideshow_stop(vw);
 806         view_fullscreen_toggle(vw, TRUE);
 807         gtk_widget_destroy(vw->window);
 808 }
 809
 810 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 811 {
 812         ViewWindow *vw = data;
 813
 814         view_window_close(vw);
 815         return TRUE;
 816 }
 817
 818 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 819 {
 820         ViewWindow *vw;
 821         GtkAllocation req_size;
 822         GdkGeometry geometry;
 823         gint w, h;
 824
 825         if (!fd && !list && (!cd || !info)) return NULL;
 826
 827         vw = g_new0(ViewWindow, 1);
 828
 829         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 830
 831         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 832         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 833         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 834
 835         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 836         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 837
 838         vw->imd = image_new(FALSE);
 839         image_color_profile_set(vw->imd,
 840                                 options->color_profile.input_type,
 841                                 options->color_profile.use_image);
 842         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 843
 844         image_background_set_color_from_options(vw->imd, FALSE);
 845
 846         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 847
 848         image_auto_refresh_enable(vw->imd, TRUE);
 849         image_top_window_set_sync(vw->imd, TRUE);
 850
 851         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 852         gtk_widget_show(vw->imd->widget);
 853
 854         view_window_dnd_init(vw);
 855
 856         view_image_set_buttons(vw, vw->imd);
 857
 858         g_signal_connect(G_OBJECT(vw->window), "destroy",
 859                          G_CALLBACK(view_window_destroy_cb), vw);
 860         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 861                          G_CALLBACK(view_window_delete_cb), vw);
 862         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 863                          G_CALLBACK(view_window_key_press_cb), vw);
 864         if (cd && info)
 865                 {
 866                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 867                 if (options->image.enable_read_ahead)
 868                         {
 869                         CollectInfo * r_info = collection_next_by_info(cd, info);
 870                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 871                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 872                         }
 873                 }
 874         else if (list)
 875                 {
 876                 view_window_set_list(vw, list);
 877                 vw->list_pointer = vw->list;
 878                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 879
 880                 if (options->image.enable_read_ahead)
 881                         {
 882                         GList *work = vw->list->next;
 883                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 884                         }
 885                 }
 886         else
 887                 {
 888                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 889                 }
 890
 891         if (image_zoom_get(vw->imd) == 0.0)
 892                 {
 893                 image_get_image_size(vw->imd, &w, &h);
 894                 }
 895         else
 896                 {
 897                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 898                 }
 899         if (options->image.limit_window_size)
 900                 {
 901                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 902                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 903
 904                 if (w > mw) w = mw;
 905                 if (h > mh) h = mh;
 906                 }
 907
 908         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 909         req_size.x = req_size.y = 0;
 910         req_size.width = w;
 911         req_size.height = h;
 912         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 913
 914         gtk_widget_set_size_request(vw->imd->pr, w, h);
 915
 916         gtk_widget_show(vw->window);
 917
 918         view_window_list = g_list_append(view_window_list, vw);
 919
 920         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 921
 922         return vw;
 923 }
 924
 925 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 926 {
 927         CollectionData *cd = data;
 928
 929         collection_unref(cd);
 930 }
 931
 932 void view_window_new(FileData *fd)
 933 {
 934         GList *list;
 935
 936         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 937                 {
 938                 ViewWindow *vw;
 939                 CollectionData *cd;
 940                 CollectInfo *info;
 941
 942                 cd = collection_new(fd->path);
 943                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 944                         {
 945                         info = collection_get_first(cd);
 946                         }
 947                 else
 948                         {
 949                         collection_unref(cd);
 950                         cd = NULL;
 951                         info = NULL;
 952                         }
 953                 vw = real_view_window_new(NULL, NULL, cd, info);
 954                 if (vw && cd)
 955                         {
 956                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 957                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 958                         }
 959                 }
 960         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 961                 {
 962                 list = filelist_sort_path(list);
 963                 list = filelist_filter(list, FALSE);
 964                 real_view_window_new(NULL, list, NULL, NULL);
 965                 filelist_free(list);
 966                 }
 967         else
 968                 {
 969                 real_view_window_new(fd, NULL, NULL, NULL);
 970                 }
 971 }
 972
 973 void view_window_new_from_list(GList *list)
 974 {
 975         real_view_window_new(NULL, list, NULL, NULL);
 976 }
 977
 978 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 979 {
 980         real_view_window_new(NULL, NULL, cd, info);
 981 }
 982
 983 /*
 984  *-----------------------------------------------------------------------------
 985  * public
 986  *-----------------------------------------------------------------------------
 987  */
 988
 989 void view_window_colors_update(void)
 990 {
 991         GList *work;
 992
 993         work = view_window_list;
 994         while (work)
 995                 {
 996                 ViewWindow *vw = work->data;
 997                 work = work->next;
 998
 999                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1000                 }
1001 }
1002
1003 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1004 {
1005         GList *work;
1006
1007         work = view_window_list;
1008         while (work)
1009                 {
1010                 ViewWindow *vw = work->data;
1011                 work = work->next;
1012
1013                 if (vw->imd == imd ||
1014                     (vw->fs && vw->fs->imd == imd))
1015                         {
1016                         if (vw->ss)
1017                                 {
1018                                 gint n;
1019                                 gint t;
1020
1021                                 n = g_list_length(vw->ss->list_done);
1022                                 t = n + g_list_length(vw->ss->list);
1023                                 if (n == 0) n = t;
1024                                 if (index) *index = n - 1;
1025                                 if (total) *total = t;
1026                                 }
1027                         else
1028                                 {
1029                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1030                                 if (total) *total = g_list_length(vw->list);
1031                                 }
1032                         return TRUE;
1033                         }
1034                 }
1035
1036         return FALSE;
1037 }
1038
1039 /*
1040  *-----------------------------------------------------------------------------
1041  * view window menu routines and callbacks
1042  *-----------------------------------------------------------------------------
1043  */
1044
1045 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1046 {
1047         ViewWindow *vw = data;
1048         CollectionData *cd;
1049         CollectInfo *info;
1050
1051         cd = image_get_collection(vw->imd, &info);
1052
1053         if (cd && info)
1054                 {
1055                 view_window_new_from_collection(cd, info);
1056                 }
1057         else
1058                 {
1059                 view_window_new(image_get_fd(vw->imd));
1060                 }
1061 }
1062
1063 static void view_edit_cb(GtkWidget *widget, gpointer data)
1064 {
1065         ViewWindow *vw;
1066         ImageWindow *imd;
1067         const gchar *key = data;
1068
1069         vw = submenu_item_get_data(widget);
1070         if (!vw) return;
1071
1072         if (!editor_window_flag_set(key))
1073                 {
1074                 view_fullscreen_toggle(vw, TRUE);
1075                 }
1076
1077         imd = view_window_active_image(vw);
1078         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1079 }
1080
1081 static void view_alter_cb(GtkWidget *widget, gpointer data)
1082 {
1083         ViewWindow *vw;
1084         AlterType type;
1085
1086         vw = submenu_item_get_data(widget);
1087         type = GPOINTER_TO_INT(data);
1088
1089         if (!vw) return;
1090         image_alter_orientation(vw->imd, type);
1091 }
1092
1093 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1094 {
1095         ViewWindow *vw = data;
1096         ImageWindow *imd;
1097
1098         imd = view_window_active_image(vw);
1099         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1100 }
1101
1102 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1103 {
1104         ViewWindow *vw = data;
1105
1106         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1107 }
1108
1109 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1110 {
1111         ViewWindow *vw = data;
1112
1113         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1114 }
1115
1116 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1117 {
1118         ViewWindow *vw = data;
1119
1120         image_zoom_set(view_window_active_image(vw), 1.0);
1121 }
1122
1123 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126
1127         image_zoom_set(view_window_active_image(vw), 0.0);
1128 }
1129
1130 static void view_copy_cb(GtkWidget *widget, gpointer data)
1131 {
1132         ViewWindow *vw = data;
1133         ImageWindow *imd;
1134
1135         imd = view_window_active_image(vw);
1136         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1137 }
1138
1139 static void view_move_cb(GtkWidget *widget, gpointer data)
1140 {
1141         ViewWindow *vw = data;
1142         ImageWindow *imd;
1143
1144         imd = view_window_active_image(vw);
1145         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1146 }
1147
1148 static void view_rename_cb(GtkWidget *widget, gpointer data)
1149 {
1150         ViewWindow *vw = data;
1151         ImageWindow *imd;
1152
1153         imd = view_window_active_image(vw);
1154         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1155 }
1156
1157 static void view_delete_cb(GtkWidget *widget, gpointer data)
1158 {
1159         ViewWindow *vw = data;
1160         ImageWindow *imd;
1161
1162         imd = view_window_active_image(vw);
1163         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1164 }
1165
1166 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1167 {
1168         ViewWindow *vw = data;
1169         ImageWindow *imd;
1170
1171         imd = view_window_active_image(vw);
1172         file_util_copy_path_to_clipboard(image_get_fd(imd));
1173 }
1174
1175 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1176 {
1177         ViewWindow *vw = data;
1178
1179         view_fullscreen_toggle(vw, FALSE);
1180 }
1181
1182 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1183 {
1184         ViewWindow *vw = data;
1185
1186         view_slideshow_start(vw);
1187 }
1188
1189 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1190 {
1191         ViewWindow *vw = data;
1192
1193         view_slideshow_stop(vw);
1194 }
1195
1196 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1197 {
1198         ViewWindow *vw = data;
1199
1200         slideshow_pause_toggle(vw->ss);
1201 }
1202
1203 static void view_close_cb(GtkWidget *widget, gpointer data)
1204 {
1205         ViewWindow *vw = data;
1206
1207         view_window_close(vw);
1208 }
1209
1210 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1211 {
1212         LayoutWindow *nw;
1213
1214         nw = layout_new(NULL, NULL);
1215         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1216         layout_set_fd(nw, fd);
1217         return nw;
1218 }
1219
1220
1221 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1222 {
1223         ViewWindow *vw = data;
1224         LayoutWindow *lw;
1225         ImageWindow *imd;
1226
1227         imd = view_window_active_image(vw);
1228
1229         if (!imd || !imd->image_fd) return;
1230
1231         lw = layout_find_by_image_fd(imd);
1232         if (lw)
1233                 layout_set_fd(lw, imd->image_fd);
1234         else
1235                 view_new_layout_with_fd(imd->image_fd);
1236         view_window_close(vw);
1237 }
1238
1239 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1240 {
1241         ViewWindow *vw = data;
1242
1243         filelist_free(vw->editmenu_fd_list);
1244         vw->editmenu_fd_list = NULL;
1245 }
1246
1247 static GList *view_window_get_fd_list(ViewWindow *vw)
1248 {
1249         GList *list = NULL;
1250         ImageWindow *imd = view_window_active_image(vw);
1251
1252         if (imd)
1253                 {
1254                 FileData *fd = image_get_fd(imd);
1255                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1256                 }
1257
1258         return list;
1259 }
1260
1261 static GtkWidget *view_popup_menu(ViewWindow *vw)
1262 {
1263         GtkWidget *menu;
1264         GtkWidget *item;
1265
1266         menu = popup_menu_short_lived();
1267
1268         g_signal_connect(G_OBJECT(menu), "destroy",
1269                          G_CALLBACK(view_popup_menu_destroy_cb), vw);
1270
1271         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1272         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1273         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1274         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1275         menu_item_add_divider(menu);
1276
1277         vw->editmenu_fd_list = view_window_get_fd_list(vw);
1278         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, vw->editmenu_fd_list);
1279         menu_item_add_divider(item);
1280         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1281
1282         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1283
1284         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1285         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1286
1287         menu_item_add_divider(menu);
1288         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1289         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1290         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1291         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1292         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1293
1294         menu_item_add_divider(menu);
1295
1296         if (vw->ss)
1297                 {
1298                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1299                 if (slideshow_paused(vw->ss))
1300                         {
1301                         item = menu_item_add(menu, _("Continue slides_how"),
1302                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1303                         }
1304                 else
1305                         {
1306                         item = menu_item_add(menu, _("Pause slides_how"),
1307                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1308                         }
1309                 }
1310         else
1311                 {
1312                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1313                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1314                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1315                 gtk_widget_set_sensitive(item, FALSE);
1316                 }
1317
1318         if (vw->fs)
1319                 {
1320                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1321                 }
1322         else
1323                 {
1324                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1325                 }
1326
1327         menu_item_add_divider(menu);
1328         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1329
1330         return menu;
1331 }
1332
1333 /*
1334  *-------------------------------------------------------------------
1335  * dnd confirm dir
1336  *-------------------------------------------------------------------
1337  */
1338
1339 typedef struct {
1340         ViewWindow *vw;
1341         GList *list;
1342 } CViewConfirmD;
1343
1344 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1345 {
1346         /* do nothing */
1347 }
1348
1349 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1350 {
1351         GList *work;
1352
1353         view_window_set_list(vw, NULL);
1354
1355         work = list;
1356         while (work)
1357                 {
1358                 FileData *fd = work->data;
1359                 work = work->next;
1360
1361                 if (isdir(fd->path))
1362                         {
1363                         if (!skip)
1364                                 {
1365                                 GList *list = NULL;
1366
1367                                 if (recurse)
1368                                         {
1369                                         list = filelist_recursive(fd);
1370                                         }
1371                                 else
1372                                         { /*FIXME */
1373                                         filelist_read(fd, &list, NULL);
1374                                         list = filelist_sort_path(list);
1375                                         list = filelist_filter(list, FALSE);
1376                                         }
1377                                 if (list) vw->list = g_list_concat(vw->list, list);
1378                                 }
1379                         }
1380                 else
1381                         {
1382                         /* FIXME: no filtering here */
1383                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1384                         }
1385                 }
1386
1387         if (vw->list)
1388                 {
1389                 FileData *fd;
1390
1391                 vw->list_pointer = vw->list;
1392                 fd = vw->list->data;
1393                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1394
1395                 work = vw->list->next;
1396                 if (options->image.enable_read_ahead && work)
1397                         {
1398                         fd = work->data;
1399                         image_prebuffer_set(vw->imd, fd);
1400                         }
1401                 }
1402         else
1403                 {
1404                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1405                 }
1406 }
1407
1408 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1409 {
1410         CViewConfirmD *d = data;
1411         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1412 }
1413
1414 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1415 {
1416         CViewConfirmD *d = data;
1417         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1418 }
1419
1420 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1421 {
1422         CViewConfirmD *d = data;
1423         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1424 }
1425
1426 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1427 {
1428         CViewConfirmD *d = data;
1429         filelist_free(d->list);
1430         g_free(d);
1431 }
1432
1433 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1434 {
1435         GtkWidget *menu;
1436         CViewConfirmD *d;
1437
1438         d = g_new(CViewConfirmD, 1);
1439         d->vw = vw;
1440         d->list = list;
1441
1442         menu = popup_menu_short_lived();
1443         g_signal_connect(G_OBJECT(menu), "destroy",
1444                          G_CALLBACK(view_dir_list_destroy), d);
1445
1446         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1447         menu_item_add_divider(menu);
1448         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1449         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1450         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1451         menu_item_add_divider(menu);
1452         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1453
1454         return menu;
1455 }
1456
1457 /*
1458  *-----------------------------------------------------------------------------
1459  * image drag and drop routines
1460  *-----------------------------------------------------------------------------
1461  */
1462
1463 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1464                                      gint x, gint y,
1465                                      GtkSelectionData *selection_data, guint info,
1466                                      guint time, gpointer data)
1467 {
1468         ViewWindow *vw = data;
1469         ImageWindow *imd;
1470
1471         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1472
1473         imd = vw->imd;
1474
1475         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1476                 {
1477                 CollectionData *source;
1478                 GList *list;
1479                 GList *info_list;
1480
1481                 if (info == TARGET_URI_LIST)
1482                         {
1483                         GList *work;
1484
1485                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1486
1487                         work = list;
1488                         while (work)
1489                                 {
1490                                 FileData *fd = work->data;
1491                                 if (isdir(fd->path))
1492                                         {
1493                                         GtkWidget *menu;
1494                                         menu = view_confirm_dir_list(vw, list);
1495                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1496                                         return;
1497                                         }
1498                                 work = work->next;
1499                                 }
1500
1501                         list = filelist_filter(list, FALSE);
1502
1503                         source = NULL;
1504                         info_list = NULL;
1505                         }
1506                 else
1507                         {
1508                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1509                         }
1510
1511                 if (list)
1512                         {
1513                         FileData *fd;
1514
1515                         fd = list->data;
1516                         if (isfile(fd->path))
1517                                 {
1518                                 view_slideshow_stop(vw);
1519                                 view_window_set_list(vw, NULL);
1520
1521                                 if (source && info_list)
1522                                         {
1523                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1524                                         }
1525                                 else
1526                                         {
1527                                         if (list->next)
1528                                                 {
1529                                                 vw->list = list;
1530                                                 list = NULL;
1531
1532                                                 vw->list_pointer = vw->list;
1533                                                 }
1534                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1535                                         }
1536                                 }
1537                         }
1538                 filelist_free(list);
1539                 g_list_free(info_list);
1540                 }
1541 }
1542
1543 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1544                                      GtkSelectionData *selection_data, guint info,
1545                                      guint time, gpointer data)
1546 {
1547         ViewWindow *vw = data;
1548         FileData *fd;
1549
1550         fd = image_get_fd(vw->imd);
1551
1552         if (fd)
1553                 {
1554                 gchar *text = NULL;
1555                 gint len;
1556                 gboolean plain_text;
1557                 GList *list;
1558
1559                 switch (info)
1560                         {
1561                         case TARGET_URI_LIST:
1562                                 plain_text = FALSE;
1563                                 break;
1564                         case TARGET_TEXT_PLAIN:
1565                         default:
1566                                 plain_text = TRUE;
1567                                 break;
1568                         }
1569                 list = g_list_append(NULL, fd);
1570                 text = uri_text_from_filelist(list, &len, plain_text);
1571                 g_list_free(list);
1572                 if (text)
1573                         {
1574                         gtk_selection_data_set(selection_data, selection_data->target,
1575                                                8, (guchar *)text, len);
1576                         g_free(text);
1577                         }
1578                 }
1579         else
1580                 {
1581                 gtk_selection_data_set(selection_data, selection_data->target,
1582                                        8, NULL, 0);
1583                 }
1584 }
1585
1586 static void view_window_dnd_init(ViewWindow *vw)
1587 {
1588         ImageWindow *imd;
1589
1590         imd = vw->imd;
1591
1592         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1593                             dnd_file_drag_types, dnd_file_drag_types_count,
1594                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1595         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1596                          G_CALLBACK(view_window_set_dnd_data), vw);
1597
1598         gtk_drag_dest_set(imd->pr,
1599                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1600                           dnd_file_drop_types, dnd_file_drop_types_count,
1601                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1602         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1603                          G_CALLBACK(view_window_get_dnd_data), vw);
1604 }
1605
1606 /*
1607  *-----------------------------------------------------------------------------
1608  * maintenance (for rename, move, remove)
1609  *-----------------------------------------------------------------------------
1610  */
1611
1612 static void view_real_removed(ViewWindow *vw, FileData *fd)
1613 {
1614         ImageWindow *imd;
1615         FileData *image_fd;
1616
1617         imd = view_window_active_image(vw);
1618         image_fd = image_get_fd(imd);
1619
1620         if (image_fd && image_fd == fd)
1621                 {
1622                 if (vw->list)
1623                         {
1624                         view_list_step(vw, TRUE);
1625                         if (image_get_fd(imd) == image_fd)
1626                                 {
1627                                 view_list_step(vw, FALSE);
1628                                 }
1629                         }
1630                 else if (view_window_contains_collection(vw))
1631                         {
1632                         view_collection_step(vw, TRUE);
1633                         if (image_get_fd(imd) == image_fd)
1634                                 {
1635                                 view_collection_step(vw, FALSE);
1636                                 }
1637                         }
1638                 if (image_get_fd(imd) == image_fd)
1639                         {
1640                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1641                         }
1642                 }
1643
1644         if (vw->list)
1645                 {
1646                 GList *work;
1647                 GList *old;
1648
1649                 old = vw->list_pointer;
1650
1651                 work = vw->list;
1652                 while (work)
1653                         {
1654                         FileData *chk_fd;
1655                         GList *chk_link;
1656
1657                         chk_fd = work->data;
1658                         chk_link = work;
1659                         work = work->next;
1660
1661                         if (chk_fd == fd)
1662                                 {
1663                                 if (vw->list_pointer == chk_link)
1664                                         {
1665                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1666                                         }
1667                                 vw->list = g_list_remove(vw->list, chk_fd);
1668                                 file_data_unref(chk_fd);
1669                                 }
1670                         }
1671
1672                 /* handles stepping correctly when same image is in the list more than once */
1673                 if (old && old != vw->list_pointer)
1674                         {
1675                         FileData *fd;
1676
1677                         if (vw->list_pointer)
1678                                 {
1679                                 fd = vw->list_pointer->data;
1680                                 }
1681                         else
1682                                 {
1683                                 fd = NULL;
1684                                 }
1685
1686                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1687                         }
1688                 }
1689
1690         image_osd_update(imd);
1691 }
1692
1693 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1694 {
1695         ViewWindow *vw = data;
1696
1697         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1698
1699         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1700
1701         switch (fd->change->type)
1702                 {
1703                 case FILEDATA_CHANGE_MOVE:
1704                 case FILEDATA_CHANGE_RENAME:
1705                         break;
1706                 case FILEDATA_CHANGE_COPY:
1707                         break;
1708                 case FILEDATA_CHANGE_DELETE:
1709                         view_real_removed(vw, fd);
1710                         break;
1711                 case FILEDATA_CHANGE_UNSPECIFIED:
1712                 case FILEDATA_CHANGE_WRITE_METADATA:
1713                         break;
1714                 }
1715 }
1716 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */