src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "info.h"
  26 #include "layout.h"
  27 #include "layout_image.h"
  28 #include "menu.h"
  29 #include "misc.h"
  30 #include "pixbuf_util.h"
  31 #include "pixbuf-renderer.h"
  32 #include "print.h"
  33 #include "slideshow.h"
  34 #include "ui_fileops.h"
  35 #include "ui_menu.h"
  36 #include "uri_utils.h"
  37 #include "utilops.h"
  38 #include "window.h"
  39
  40 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  41
  42
  43 typedef struct _ViewWindow ViewWindow;
  44 struct _ViewWindow
  45 {
  46         GtkWidget *window;
  47         ImageWindow *imd;
  48         FullScreenData *fs;
  49         SlideShowData *ss;
  50
  51         GList *list;
  52         GList *list_pointer;
  53 };
  54
  55
  56 static GList *view_window_list = NULL;
  57
  58
  59 static GtkWidget *view_popup_menu(ViewWindow *vw);
  60 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  61 static void view_overlay_toggle(ViewWindow *vw);
  62
  63 static void view_slideshow_next(ViewWindow *vw);
  64 static void view_slideshow_prev(ViewWindow *vw);
  65 static void view_slideshow_start(ViewWindow *vw);
  66 static void view_slideshow_stop(ViewWindow *vw);
  67
  68 static void view_window_close(ViewWindow *vw);
  69
  70 static void view_window_dnd_init(ViewWindow *vw);
  71
  72 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  73
  74 /*
  75  *-----------------------------------------------------------------------------
  76  * misc
  77  *-----------------------------------------------------------------------------
  78  */
  79
  80 static ImageWindow *view_window_active_image(ViewWindow *vw)
  81 {
  82         if (vw->fs) return vw->fs->imd;
  83
  84         return vw->imd;
  85 }
  86
  87 static void view_window_set_list(ViewWindow *vw, GList *list)
  88 {
  89
  90         filelist_free(vw->list);
  91         vw->list = NULL;
  92         vw->list_pointer = NULL;
  93
  94         vw->list = filelist_copy(list);
  95 }
  96
  97 static gint view_window_contains_collection(ViewWindow *vw)
  98 {
  99         CollectionData *cd;
 100         CollectInfo *info;
 101
 102         cd = image_get_collection(view_window_active_image(vw), &info);
 103
 104         return (cd && info);
 105 }
 106
 107 static void view_collection_step(ViewWindow *vw, gint next)
 108 {
 109         ImageWindow *imd = view_window_active_image(vw);
 110         CollectionData *cd;
 111         CollectInfo *info;
 112         CollectInfo *read_ahead_info = NULL;
 113
 114         cd = image_get_collection(imd, &info);
 115
 116         if (!cd || !info) return;
 117
 118         if (next)
 119                 {
 120                 info = collection_next_by_info(cd, info);
 121                 if (options->image.enable_read_ahead)
 122                         {
 123                         read_ahead_info = collection_next_by_info(cd, info);
 124                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 125                         }
 126                 }
 127         else
 128                 {
 129                 info = collection_prev_by_info(cd, info);
 130                 if (options->image.enable_read_ahead)
 131                         {
 132                         read_ahead_info = collection_prev_by_info(cd, info);
 133                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 134                         }
 135                 }
 136
 137         if (info)
 138                 {
 139                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 140
 141                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 142                 }
 143
 144 }
 145
 146 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 147 {
 148         ImageWindow *imd = view_window_active_image(vw);
 149         CollectionData *cd;
 150         CollectInfo *info;
 151         CollectInfo *read_ahead_info = NULL;
 152
 153         cd = image_get_collection(imd, &info);
 154
 155         if (!cd || !info) return;
 156
 157         if (last)
 158                 {
 159                 info = collection_get_last(cd);
 160                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 161                 }
 162         else
 163                 {
 164                 info = collection_get_first(cd);
 165                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 166                 }
 167
 168         if (info)
 169                 {
 170                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 171                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 172                 }
 173 }
 174
 175 static void view_list_step(ViewWindow *vw, gint next)
 176 {
 177         ImageWindow *imd = view_window_active_image(vw);
 178         FileData *fd;
 179         GList *work;
 180         GList *work_ahead;
 181
 182         if (!vw->list) return;
 183
 184         fd = image_get_fd(imd);
 185         if (!fd) return;
 186
 187         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 188                 {
 189                 work = vw->list_pointer;
 190                 }
 191         else
 192                 {
 193                 gint found = FALSE;
 194
 195                 work = vw->list;
 196                 while (work && !found)
 197                         {
 198                         FileData *temp;
 199
 200                         temp = work->data;
 201
 202                         if (fd == temp)
 203                                 {
 204                                 found = TRUE;
 205                                 }
 206                         else
 207                                 {
 208                                 work = work->next;
 209                                 }
 210                         }
 211                 }
 212         if (!work) return;
 213
 214         work_ahead = NULL;
 215         if (next)
 216                 {
 217                 work = work->next;
 218                 if (work) work_ahead = work->next;
 219                 }
 220         else
 221                 {
 222                 work = work->prev;
 223                 if (work) work_ahead = work->prev;
 224                 }
 225
 226         if (!work) return;
 227
 228         vw->list_pointer = work;
 229         fd = work->data;
 230         image_change_fd(imd, fd, image_zoom_get_default(imd));
 231
 232         if (options->image.enable_read_ahead && work_ahead)
 233                 {
 234                 FileData *next_fd = work_ahead->data;
 235                 image_prebuffer_set(imd, next_fd);
 236                 }
 237 }
 238
 239 static void view_list_step_to_end(ViewWindow *vw, gint last)
 240 {
 241         ImageWindow *imd = view_window_active_image(vw);
 242         FileData *fd;
 243         GList *work;
 244         GList *work_ahead;
 245
 246         if (!vw->list) return;
 247
 248         if (last)
 249                 {
 250                 work = g_list_last(vw->list);
 251                 work_ahead = work->prev;
 252                 }
 253         else
 254                 {
 255                 work = vw->list;
 256                 work_ahead = work->next;
 257                 }
 258
 259         vw->list_pointer = work;
 260         fd = work->data;
 261         image_change_fd(imd, fd, image_zoom_get_default(imd));
 262
 263         if (options->image.enable_read_ahead && work_ahead)
 264                 {
 265                 FileData *next_fd = work_ahead->data;
 266                 image_prebuffer_set(imd, next_fd);
 267                 }
 268 }
 269
 270 static void view_step_next(ViewWindow *vw)
 271 {
 272         if (vw->ss)
 273                 {
 274                 view_slideshow_next(vw);
 275                 }
 276         else if (vw->list)
 277                 {
 278                 view_list_step(vw, TRUE);
 279                 }
 280         else
 281                 {
 282                 view_collection_step(vw, TRUE);
 283                 }
 284 }
 285
 286 static void view_step_prev(ViewWindow *vw)
 287 {
 288         if (vw->ss)
 289                 {
 290                 view_slideshow_prev(vw);
 291                 }
 292         else if (vw->list)
 293                 {
 294                 view_list_step(vw, FALSE);
 295                 }
 296         else
 297                 {
 298                 view_collection_step(vw, FALSE);
 299                 }
 300 }
 301
 302 static void view_step_to_end(ViewWindow *vw, gint last)
 303 {
 304         if (vw->list)
 305                 {
 306                 view_list_step_to_end(vw, last);
 307                 }
 308         else
 309                 {
 310                 view_collection_step_to_end(vw, last);
 311                 }
 312 }
 313
 314 /*
 315  *-----------------------------------------------------------------------------
 316  * view window keyboard
 317  *-----------------------------------------------------------------------------
 318  */
 319
 320 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 321 {
 322         ViewWindow *vw = data;
 323         ImageWindow *imd;
 324
 325         imd = view_window_active_image(vw);
 326         gdk_window_get_origin(imd->pr->window, x, y);
 327         popup_menu_position_clamp(menu, x, y, 0);
 328 }
 329
 330 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 331 {
 332         ViewWindow *vw = data;
 333         ImageWindow *imd;
 334         gint stop_signal;
 335         GtkWidget *menu;
 336         gint x = 0;
 337         gint y = 0;
 338
 339         imd = view_window_active_image(vw);
 340
 341         stop_signal = TRUE;
 342         switch (event->keyval)
 343                 {
 344                 case GDK_Left: case GDK_KP_Left:
 345                         x -= 1;
 346                         break;
 347                 case GDK_Right: case GDK_KP_Right:
 348                         x += 1;
 349                         break;
 350                 case GDK_Up: case GDK_KP_Up:
 351                         y -= 1;
 352                         break;
 353                 case GDK_Down: case GDK_KP_Down:
 354                         y += 1;
 355                         break;
 356                 default:
 357                         stop_signal = FALSE;
 358                         break;
 359                 }
 360
 361         if (x != 0 || y!= 0)
 362                 {
 363                 if (event->state & GDK_SHIFT_MASK)
 364                         {
 365                         x *= 3;
 366                         y *= 3;
 367                         }
 368
 369                 keyboard_scroll_calc(&x, &y, event);
 370                 image_scroll(imd, x, y);
 371                 }
 372
 373         if (stop_signal) return stop_signal;
 374
 375         if (event->state & GDK_CONTROL_MASK)
 376                 {
 377                 gint n = -1;
 378
 379                 stop_signal = TRUE;
 380                 switch (event->keyval)
 381                         {
 382                         case '1':
 383                                 n = 0;
 384                                 break;
 385                         case '2':
 386                                 n = 1;
 387                                 break;
 388                         case '3':
 389                                 n = 2;
 390                                 break;
 391                         case '4':
 392                                 n = 3;
 393                                 break;
 394                         case '5':
 395                                 n = 4;
 396                                 break;
 397                         case '6':
 398                                 n = 5;
 399                                 break;
 400                         case '7':
 401                                 n = 6;
 402                                 break;
 403                         case '8':
 404                                 n = 7;
 405                                 break;
 406                         case '9':
 407                                 n = 8;
 408                                 break;
 409                         case '0':
 410                                 n = 9;
 411                                 break;
 412                         case 'C': case 'c':
 413                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 414                                 break;
 415                         case 'M': case 'm':
 416                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 417                                 break;
 418                         case 'R': case 'r':
 419                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 420                                 break;
 421                         case 'D': case 'd':
 422                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 423                                 break;
 424                         case 'P': case 'p':
 425                                 info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
 426                                 break;
 427                         case 'W': case 'w':
 428                                 view_window_close(vw);
 429                                 break;
 430                         default:
 431                                 stop_signal = FALSE;
 432                                 break;
 433                         }
 434                 if (n != -1)
 435                         {
 436                         if (!editor_window_flag_set(n))
 437                                 {
 438                                 view_fullscreen_toggle(vw, TRUE);
 439                                 }
 440                         imd = view_window_active_image(vw);
 441                         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
 442                         }
 443                 }
 444         else if (event->state & GDK_SHIFT_MASK)
 445                 {
 446                 stop_signal = TRUE;
 447                 switch (event->keyval)
 448                         {
 449                         case 'R': case 'r':
 450                                 image_alter(imd, ALTER_ROTATE_180);
 451                                 break;
 452                         case 'M': case 'm':
 453                                 image_alter(imd, ALTER_MIRROR);
 454                                 break;
 455                         case 'F': case 'f':
 456                                 image_alter(imd, ALTER_FLIP);
 457                                 break;
 458                         case 'G': case 'g':
 459                                 image_alter(imd, ALTER_DESATURATE);
 460                                 break;
 461                         case 'P': case 'p':
 462                                 {
 463                                 FileData *fd;
 464
 465                                 view_fullscreen_toggle(vw, TRUE);
 466                                 imd = view_window_active_image(vw);
 467                                 fd = image_get_fd(imd);
 468                                 print_window_new(fd,
 469                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 470                                                  filelist_copy(vw->list), vw->window);
 471                                 }
 472                                 break;
 473                         default:
 474                                 stop_signal = FALSE;
 475                                 break;
 476                         }
 477                 }
 478         else
 479                 {
 480                 stop_signal = TRUE;
 481                 switch (event->keyval)
 482                         {
 483                         case GDK_Page_Up: case GDK_KP_Page_Up:
 484                         case GDK_BackSpace:
 485                         case 'B': case 'b':
 486                                 view_step_prev(vw);
 487                                 break;
 488                         case GDK_Page_Down: case GDK_KP_Page_Down:
 489                         case GDK_space:
 490                         case 'N': case 'n':
 491                                 view_step_next(vw);
 492                                 break;
 493                         case GDK_Home: case GDK_KP_Home:
 494                                 view_step_to_end(vw, FALSE);
 495                                 break;
 496                         case GDK_End: case GDK_KP_End:
 497                                 view_step_to_end(vw, TRUE);
 498                                 break;
 499                         case '+': case '=': case GDK_KP_Add:
 500                                 image_zoom_adjust(imd, get_zoom_increment());
 501                                 break;
 502                         case '-': case GDK_KP_Subtract:
 503                                 image_zoom_adjust(imd, -get_zoom_increment());
 504                                 break;
 505                         case 'X': case 'x': case GDK_KP_Multiply:
 506                                 image_zoom_set(imd, 0.0);
 507                                 break;
 508                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 509                                 image_zoom_set(imd, 1.0);
 510                                 break;
 511                         case '2':
 512                                 image_zoom_set(imd, 2.0);
 513                                 break;
 514                         case '3':
 515                                 image_zoom_set(imd, 3.0);
 516                                 break;
 517                         case '4':
 518                                 image_zoom_set(imd, 4.0);
 519                                 break;
 520                         case '7':
 521                                 image_zoom_set(imd, -4.0);
 522                                 break;
 523                         case '8':
 524                                 image_zoom_set(imd, -3.0);
 525                                 break;
 526                         case '9':
 527                                 image_zoom_set(imd, -2.0);
 528                                 break;
 529                         case 'W': case 'w':
 530                                 image_zoom_set_fill_geometry(imd, FALSE);
 531                                 break;
 532                         case 'H': case 'h':
 533                                 image_zoom_set_fill_geometry(imd, TRUE);
 534                                 break;
 535                         case 'R': case 'r':
 536                                 image_reload(imd);
 537                                 break;
 538                         case 'S': case 's':
 539                                 if (vw->ss)
 540                                         {
 541                                         view_slideshow_stop(vw);
 542                                         }
 543                                 else
 544                                         {
 545                                         view_slideshow_start(vw);
 546                                         }
 547                                 break;
 548                         case 'P': case 'p':
 549                                 slideshow_pause_toggle(vw->ss);
 550                                 break;
 551                         case 'F': case 'f':
 552                         case 'V': case 'v':
 553                         case GDK_F11:
 554                                 view_fullscreen_toggle(vw, FALSE);
 555                                 break;
 556                         case 'I': case 'i':
 557                                 view_overlay_toggle(vw);
 558                                 break;
 559                         case ']':
 560                                 image_alter(imd, ALTER_ROTATE_90);
 561                                 break;
 562                         case '[':
 563                                 image_alter(imd, ALTER_ROTATE_90_CC);
 564                                 break;
 565                         case GDK_Delete: case GDK_KP_Delete:
 566                                 if (options->file_ops.enable_delete_key)
 567                                         {
 568                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 569                                         }
 570                                 break;
 571                         case GDK_Escape:
 572                                 if (vw->fs)
 573                                         {
 574                                         view_fullscreen_toggle(vw, TRUE);
 575                                         }
 576                                 else
 577                                         {
 578                                         view_window_close(vw);
 579                                         }
 580                                 break;
 581                         case GDK_Menu:
 582                         case GDK_F10:
 583                                 menu = view_popup_menu(vw);
 584                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 585                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 586                                 break;
 587                         default:
 588                                 stop_signal = FALSE;
 589                                 break;
 590                         }
 591                 }
 592
 593         return stop_signal;
 594 }
 595
 596 /*
 597  *-----------------------------------------------------------------------------
 598  * view window main routines
 599  *-----------------------------------------------------------------------------
 600  */
 601 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 602 {
 603         ViewWindow *vw = data;
 604         GtkWidget *menu;
 605
 606         switch (event->button)
 607                 {
 608                 case MOUSE_BUTTON_LEFT:
 609                         view_step_next(vw);
 610                         break;
 611                 case MOUSE_BUTTON_MIDDLE:
 612                         view_step_prev(vw);
 613                         break;
 614                 case MOUSE_BUTTON_RIGHT:
 615                         menu = view_popup_menu(vw);
 616                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 617                         break;
 618                 default:
 619                         break;
 620                 }
 621 }
 622
 623 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 624 {
 625         ViewWindow *vw = data;
 626
 627         if (event->state & GDK_CONTROL_MASK)
 628                 {
 629                 switch (event->direction)
 630                         {
 631                         case GDK_SCROLL_UP:
 632                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 633                                 break;
 634                         case GDK_SCROLL_DOWN:
 635                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 636                                 break;
 637                         default:
 638                                 break;
 639                         }
 640                 }
 641         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 642                 {
 643                 switch (event->direction)
 644                         {
 645                         case GDK_SCROLL_UP:
 646                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 647                                 break;
 648                         case GDK_SCROLL_DOWN:
 649                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 650                                 break;
 651                         case GDK_SCROLL_LEFT:
 652                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 653                                 break;
 654                         case GDK_SCROLL_RIGHT:
 655                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 656                                 break;
 657                         default:
 658                                 break;
 659                         }
 660                 }
 661         else
 662                 {
 663                 switch (event->direction)
 664                         {
 665                         case GDK_SCROLL_UP:
 666                                 view_step_prev(vw);
 667                                 break;
 668                         case GDK_SCROLL_DOWN:
 669                                 view_step_next(vw);
 670                                 break;
 671                         default:
 672                                 break;
 673                         }
 674                 }
 675 }
 676
 677 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 678 {
 679         image_set_button_func(imd, button_cb, vw);
 680         image_set_scroll_func(imd, scroll_cb, vw);
 681 }
 682
 683 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 684 {
 685         ViewWindow *vw = data;
 686
 687         vw->fs = NULL;
 688
 689         if (vw->ss) vw->ss->imd = vw->imd;
 690 }
 691
 692 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 693 {
 694         if (force_off && !vw->fs) return;
 695
 696         if (vw->fs)
 697                 {
 698                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 699                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 700
 701                 fullscreen_stop(vw->fs);
 702                 }
 703         else
 704                 {
 705                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 706
 707                 view_image_set_buttons(vw, vw->fs->imd);
 708                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 709                                  G_CALLBACK(view_window_key_press_cb), vw);
 710
 711                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 712
 713                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 714                         {
 715                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 716                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 717                         }
 718                 }
 719 }
 720
 721 static void view_overlay_toggle(ViewWindow *vw)
 722 {
 723         ImageWindow *imd;
 724
 725         imd = view_window_active_image(vw);
 726
 727         image_osd_toggle(imd);
 728 }
 729
 730 static void view_slideshow_next(ViewWindow *vw)
 731 {
 732         if (vw->ss) slideshow_next(vw->ss);
 733 }
 734
 735 static void view_slideshow_prev(ViewWindow *vw)
 736 {
 737         if (vw->ss) slideshow_prev(vw->ss);
 738 }
 739
 740 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 741 {
 742         ViewWindow *vw = data;
 743         GList *work;
 744         FileData *fd;
 745
 746         vw->ss = NULL;
 747
 748         work = vw->list;
 749         fd = image_get_fd(view_window_active_image(vw));
 750         while (work)
 751                 {
 752                 FileData *temp;
 753
 754                 temp = work->data;
 755                 if (fd == temp)
 756                         {
 757                         vw->list_pointer = work;
 758                         work = NULL;
 759                         }
 760                 else
 761                         {
 762                         work = work->next;
 763                         }
 764                 }
 765 }
 766
 767 static void view_slideshow_start(ViewWindow *vw)
 768 {
 769         if (!vw->ss)
 770                 {
 771                 CollectionData *cd;
 772                 CollectInfo *info;
 773
 774                 if (vw->list)
 775                         {
 776                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 777                                                                 filelist_copy(vw->list),
 778                                                                 view_slideshow_stop_func, vw);
 779                         vw->list_pointer = NULL;
 780                         return;
 781                         }
 782
 783                 cd = image_get_collection(view_window_active_image(vw), &info);
 784                 if (cd && info)
 785                         {
 786                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 787                                                                  view_slideshow_stop_func, vw, info);
 788                         }
 789                 }
 790 }
 791
 792 static void view_slideshow_stop(ViewWindow *vw)
 793 {
 794         if (vw->ss) slideshow_free(vw->ss);
 795 }
 796
 797 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 798 {
 799         ViewWindow *vw = data;
 800
 801         view_window_list = g_list_remove(view_window_list, vw);
 802
 803         view_slideshow_stop(vw);
 804         fullscreen_stop(vw->fs);
 805
 806         filelist_free(vw->list);
 807
 808         file_data_unregister_notify_func(view_window_notify_cb, vw);
 809
 810         g_free(vw);
 811 }
 812
 813 static void view_window_close(ViewWindow *vw)
 814 {
 815         view_slideshow_stop(vw);
 816         view_fullscreen_toggle(vw, TRUE);
 817         gtk_widget_destroy(vw->window);
 818 }
 819
 820 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 821 {
 822         ViewWindow *vw = data;
 823
 824         view_window_close(vw);
 825         return TRUE;
 826 }
 827
 828 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 829 {
 830         ViewWindow *vw;
 831         GtkAllocation req_size;
 832         GdkGeometry geometry;
 833         gint w, h;
 834
 835         if (!fd && !list && (!cd || !info)) return NULL;
 836
 837         vw = g_new0(ViewWindow, 1);
 838         vw->fs = NULL;
 839         vw->ss = NULL;
 840         vw->list = NULL;
 841         vw->list_pointer = NULL;
 842
 843         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 844
 845         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 846         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 847         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 848
 849         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 850         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 851
 852         vw->imd = image_new(FALSE);
 853
 854         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 855
 856         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 857
 858         image_auto_refresh_enable(vw->imd, TRUE);
 859         image_top_window_set_sync(vw->imd, TRUE);
 860
 861         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 862         gtk_widget_show(vw->imd->widget);
 863
 864         view_window_dnd_init(vw);
 865
 866         view_image_set_buttons(vw, vw->imd);
 867
 868         g_signal_connect(G_OBJECT(vw->window), "destroy",
 869                          G_CALLBACK(view_window_destroy_cb), vw);
 870         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 871                          G_CALLBACK(view_window_delete_cb), vw);
 872         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 873                          G_CALLBACK(view_window_key_press_cb), vw);
 874         if (cd && info)
 875                 {
 876                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 877                 if (options->image.enable_read_ahead)
 878                         {
 879                         CollectInfo * r_info = collection_next_by_info(cd, info);
 880                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 881                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 882                         }
 883                 }
 884         else if (list)
 885                 {
 886                 view_window_set_list(vw, list);
 887                 vw->list_pointer = vw->list;
 888                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 889
 890                 if (options->image.enable_read_ahead)
 891                         {
 892                         GList *work = vw->list->next;
 893                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 894                         }
 895                 }
 896         else
 897                 {
 898                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 899                 }
 900
 901         if (image_zoom_get(vw->imd) == 0.0)
 902                 {
 903                 image_get_image_size(vw->imd, &w, &h);
 904                 }
 905         else
 906                 {
 907                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 908                 }
 909         if (options->image.limit_window_size)
 910                 {
 911                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 912                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 913
 914                 if (w > mw) w = mw;
 915                 if (h > mh) h = mh;
 916                 }
 917
 918         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 919         req_size.x = req_size.y = 0;
 920         req_size.width = w;
 921         req_size.height = h;
 922         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 923
 924         gtk_widget_set_size_request(vw->imd->pr, w, h);
 925
 926         gtk_widget_show(vw->window);
 927
 928         view_window_list = g_list_append(view_window_list, vw);
 929
 930         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 931
 932         return vw;
 933 }
 934
 935 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 936 {
 937         CollectionData *cd = data;
 938
 939         collection_unref(cd);
 940 }
 941
 942 void view_window_new(FileData *fd)
 943 {
 944         GList *list;
 945
 946         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 947                 {
 948                 ViewWindow *vw;
 949                 CollectionData *cd;
 950                 CollectInfo *info;
 951
 952                 cd = collection_new(fd->path);
 953                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 954                         {
 955                         info = collection_get_first(cd);
 956                         }
 957                 else
 958                         {
 959                         collection_unref(cd);
 960                         cd = NULL;
 961                         info = NULL;
 962                         }
 963                 vw = real_view_window_new(NULL, NULL, cd, info);
 964                 if (vw && cd)
 965                         {
 966                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 967                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 968                         }
 969                 }
 970         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 971                 {
 972                 list = filelist_sort_path(list);
 973                 list = filelist_filter(list, FALSE);
 974                 real_view_window_new(NULL, list, NULL, NULL);
 975                 filelist_free(list);
 976                 }
 977         else
 978                 {
 979                 real_view_window_new(fd, NULL, NULL, NULL);
 980                 }
 981 }
 982
 983 void view_window_new_from_list(GList *list)
 984 {
 985         real_view_window_new(NULL, list, NULL, NULL);
 986 }
 987
 988 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 989 {
 990         real_view_window_new(NULL, NULL, cd, info);
 991 }
 992
 993 /*
 994  *-----------------------------------------------------------------------------
 995  * public
 996  *-----------------------------------------------------------------------------
 997  */
 998
 999 void view_window_colors_update(void)
1000 {
1001         GList *work;
1002
1003         work = view_window_list;
1004         while (work)
1005                 {
1006                 ViewWindow *vw = work->data;
1007                 work = work->next;
1008
1009                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1010                 }
1011 }
1012
1013 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1014 {
1015         GList *work;
1016
1017         work = view_window_list;
1018         while (work)
1019                 {
1020                 ViewWindow *vw = work->data;
1021                 work = work->next;
1022
1023                 if (vw->imd == imd ||
1024                     (vw->fs && vw->fs->imd == imd))
1025                         {
1026                         if (vw->ss)
1027                                 {
1028                                 gint n;
1029                                 gint t;
1030
1031                                 n = g_list_length(vw->ss->list_done);
1032                                 t = n + g_list_length(vw->ss->list);
1033                                 if (n == 0) n = t;
1034                                 if (index) *index = n - 1;
1035                                 if (total) *total = t;
1036                                 }
1037                         else
1038                                 {
1039                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1040                                 if (total) *total = g_list_length(vw->list);
1041                                 }
1042                         return TRUE;
1043                         }
1044                 }
1045
1046         return FALSE;
1047 }
1048
1049 /*
1050  *-----------------------------------------------------------------------------
1051  * view window menu routines and callbacks
1052  *-----------------------------------------------------------------------------
1053  */
1054
1055 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1056 {
1057         ViewWindow *vw = data;
1058         CollectionData *cd;
1059         CollectInfo *info;
1060
1061         cd = image_get_collection(vw->imd, &info);
1062
1063         if (cd && info)
1064                 {
1065                 view_window_new_from_collection(cd, info);
1066                 }
1067         else
1068                 {
1069                 view_window_new(image_get_fd(vw->imd));
1070                 }
1071 }
1072
1073 static void view_edit_cb(GtkWidget *widget, gpointer data)
1074 {
1075         ViewWindow *vw;
1076         ImageWindow *imd;
1077         gint n;
1078
1079         vw = submenu_item_get_data(widget);
1080         n = GPOINTER_TO_INT(data);
1081         if (!vw) return;
1082
1083         if (!editor_window_flag_set(n))
1084                 {
1085                 view_fullscreen_toggle(vw, TRUE);
1086                 }
1087
1088         imd = view_window_active_image(vw);
1089         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
1090 }
1091
1092 static void view_alter_cb(GtkWidget *widget, gpointer data)
1093 {
1094         ViewWindow *vw;
1095         AlterType type;
1096
1097         vw = submenu_item_get_data(widget);
1098         type = GPOINTER_TO_INT(data);
1099
1100         if (!vw) return;
1101         image_alter(vw->imd, type);
1102 }
1103
1104 static void view_info_cb(GtkWidget *widget, gpointer data)
1105 {
1106         ViewWindow *vw = data;
1107         ImageWindow *imd;
1108
1109         imd = view_window_active_image(vw);
1110         info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
1111 }
1112
1113 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1114 {
1115         ViewWindow *vw = data;
1116         ImageWindow *imd;
1117
1118         imd = view_window_active_image(vw);
1119         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1120 }
1121
1122 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125
1126         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1127 }
1128
1129 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1130 {
1131         ViewWindow *vw = data;
1132
1133         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1134 }
1135
1136 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1137 {
1138         ViewWindow *vw = data;
1139
1140         image_zoom_set(view_window_active_image(vw), 1.0);
1141 }
1142
1143 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1144 {
1145         ViewWindow *vw = data;
1146
1147         image_zoom_set(view_window_active_image(vw), 0.0);
1148 }
1149
1150 static void view_copy_cb(GtkWidget *widget, gpointer data)
1151 {
1152         ViewWindow *vw = data;
1153         ImageWindow *imd;
1154
1155         imd = view_window_active_image(vw);
1156         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1157 }
1158
1159 static void view_move_cb(GtkWidget *widget, gpointer data)
1160 {
1161         ViewWindow *vw = data;
1162         ImageWindow *imd;
1163
1164         imd = view_window_active_image(vw);
1165         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1166 }
1167
1168 static void view_rename_cb(GtkWidget *widget, gpointer data)
1169 {
1170         ViewWindow *vw = data;
1171         ImageWindow *imd;
1172
1173         imd = view_window_active_image(vw);
1174         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1175 }
1176
1177 static void view_delete_cb(GtkWidget *widget, gpointer data)
1178 {
1179         ViewWindow *vw = data;
1180         ImageWindow *imd;
1181
1182         imd = view_window_active_image(vw);
1183         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1184 }
1185
1186 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1187 {
1188         ViewWindow *vw = data;
1189         ImageWindow *imd;
1190
1191         imd = view_window_active_image(vw);
1192         file_util_copy_path_to_clipboard(image_get_fd(imd));
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_fd(FileData *fd)
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_fd(nw, fd);
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         ImageWindow *imd;
1246
1247         imd = view_window_active_image(vw);
1248
1249         if (!imd || !imd->image_fd) return;
1250
1251         lw = layout_find_by_image_fd(imd);
1252         if (lw)
1253                 layout_set_fd(lw, imd->image_fd);
1254         else
1255                 view_new_layout_with_fd(imd->image_fd);
1256         view_window_close(vw);
1257 }
1258
1259 static GtkWidget *view_popup_menu(ViewWindow *vw)
1260 {
1261         GtkWidget *menu;
1262         GtkWidget *item;
1263
1264         menu = popup_menu_short_lived();
1265
1266         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1267         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1268         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1269         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1270         menu_item_add_divider(menu);
1271
1272         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1273         menu_item_add_divider(item);
1274         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1275
1276         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1277
1278         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1279
1280         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1281         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1282
1283         menu_item_add_divider(menu);
1284         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1285         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1286         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1287         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1288         if (options->show_copy_path)
1289                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1290
1291         menu_item_add_divider(menu);
1292
1293         if (vw->ss)
1294                 {
1295                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1296                 if (slideshow_paused(vw->ss))
1297                         {
1298                         item = menu_item_add(menu, _("Continue slides_how"),
1299                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1300                         }
1301                 else
1302                         {
1303                         item = menu_item_add(menu, _("Pause slides_how"),
1304                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1305                         }
1306                 }
1307         else
1308                 {
1309                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1310                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1311                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1312                 gtk_widget_set_sensitive(item, FALSE);
1313                 }
1314
1315         if (vw->fs)
1316                 {
1317                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1318                 }
1319         else
1320                 {
1321                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1322                 }
1323
1324         menu_item_add_divider(menu);
1325         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1326
1327         return menu;
1328 }
1329
1330 /*
1331  *-------------------------------------------------------------------
1332  * dnd confirm dir
1333  *-------------------------------------------------------------------
1334  */
1335
1336 typedef struct {
1337         ViewWindow *vw;
1338         GList *list;
1339 } CViewConfirmD;
1340
1341 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1342 {
1343         /* do nothing */
1344 }
1345
1346 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1347 {
1348         GList *work;
1349
1350         view_window_set_list(vw, NULL);
1351
1352         work = list;
1353         while (work)
1354                 {
1355                 FileData *fd = work->data;
1356                 work = work->next;
1357
1358                 if (isdir(fd->path))
1359                         {
1360                         if (!skip)
1361                                 {
1362                                 GList *list = NULL;
1363
1364                                 if (recurse)
1365                                         {
1366                                         list = filelist_recursive(fd);
1367                                         }
1368                                 else
1369                                         { /*FIXME */
1370                                         filelist_read(fd, &list, NULL);
1371                                         list = filelist_sort_path(list);
1372                                         list = filelist_filter(list, FALSE);
1373                                         }
1374                                 if (list) vw->list = g_list_concat(vw->list, list);
1375                                 }
1376                         }
1377                 else
1378                         {
1379                         /* FIXME: no filtering here */
1380                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1381                         }
1382                 }
1383
1384         if (vw->list)
1385                 {
1386                 FileData *fd;
1387
1388                 vw->list_pointer = vw->list;
1389                 fd = vw->list->data;
1390                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1391
1392                 work = vw->list->next;
1393                 if (options->image.enable_read_ahead && work)
1394                         {
1395                         fd = work->data;
1396                         image_prebuffer_set(vw->imd, fd);
1397                         }
1398                 }
1399         else
1400                 {
1401                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1402                 }
1403 }
1404
1405 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1406 {
1407         CViewConfirmD *d = data;
1408         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1409 }
1410
1411 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1412 {
1413         CViewConfirmD *d = data;
1414         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1415 }
1416
1417 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1418 {
1419         CViewConfirmD *d = data;
1420         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1421 }
1422
1423 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1424 {
1425         CViewConfirmD *d = data;
1426         filelist_free(d->list);
1427         g_free(d);
1428 }
1429
1430 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1431 {
1432         GtkWidget *menu;
1433         CViewConfirmD *d;
1434
1435         d = g_new(CViewConfirmD, 1);
1436         d->vw = vw;
1437         d->list = list;
1438
1439         menu = popup_menu_short_lived();
1440         g_signal_connect(G_OBJECT(menu), "destroy",
1441                          G_CALLBACK(view_dir_list_destroy), d);
1442
1443         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1444         menu_item_add_divider(menu);
1445         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1446         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1447         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1448         menu_item_add_divider(menu);
1449         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1450
1451         return menu;
1452 }
1453
1454 /*
1455  *-----------------------------------------------------------------------------
1456  * image drag and drop routines
1457  *-----------------------------------------------------------------------------
1458  */
1459
1460 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1461                                      gint x, gint y,
1462                                      GtkSelectionData *selection_data, guint info,
1463                                      guint time, gpointer data)
1464 {
1465         ViewWindow *vw = data;
1466         ImageWindow *imd;
1467
1468         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1469
1470         imd = vw->imd;
1471
1472         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1473                 {
1474                 CollectionData *source;
1475                 GList *list;
1476                 GList *info_list;
1477
1478                 if (info == TARGET_URI_LIST)
1479                         {
1480                         GList *work;
1481
1482                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1483
1484                         work = list;
1485                         while (work)
1486                                 {
1487                                 FileData *fd = work->data;
1488                                 if (isdir(fd->path))
1489                                         {
1490                                         GtkWidget *menu;
1491                                         menu = view_confirm_dir_list(vw, list);
1492                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1493                                         return;
1494                                         }
1495                                 work = work->next;
1496                                 }
1497
1498                         list = filelist_filter(list, FALSE);
1499
1500                         source = NULL;
1501                         info_list = NULL;
1502                         }
1503                 else
1504                         {
1505                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1506                         }
1507
1508                 if (list)
1509                         {
1510                         FileData *fd;
1511
1512                         fd = list->data;
1513                         if (isfile(fd->path))
1514                                 {
1515                                 view_slideshow_stop(vw);
1516                                 view_window_set_list(vw, NULL);
1517
1518                                 if (source && info_list)
1519                                         {
1520                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1521                                         }
1522                                 else
1523                                         {
1524                                         if (list->next)
1525                                                 {
1526                                                 vw->list = list;
1527                                                 list = NULL;
1528
1529                                                 vw->list_pointer = vw->list;
1530                                                 }
1531                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1532                                         }
1533                                 }
1534                         }
1535                 filelist_free(list);
1536                 g_list_free(info_list);
1537                 }
1538 }
1539
1540 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1541                                      GtkSelectionData *selection_data, guint info,
1542                                      guint time, gpointer data)
1543 {
1544         ViewWindow *vw = data;
1545         FileData *fd;
1546
1547         fd = image_get_fd(vw->imd);
1548
1549         if (fd)
1550                 {
1551                 gchar *text = NULL;
1552                 gint len;
1553                 gint plain_text;
1554                 GList *list;
1555
1556                 switch (info)
1557                         {
1558                         case TARGET_URI_LIST:
1559                                 plain_text = FALSE;
1560                                 break;
1561                         case TARGET_TEXT_PLAIN:
1562                         default:
1563                                 plain_text = TRUE;
1564                                 break;
1565                         }
1566                 list = g_list_append(NULL, fd);
1567                 text = uri_text_from_filelist(list, &len, plain_text);
1568                 g_list_free(list);
1569                 if (text)
1570                         {
1571                         gtk_selection_data_set(selection_data, selection_data->target,
1572                                                8, (guchar *)text, len);
1573                         g_free(text);
1574                         }
1575                 }
1576         else
1577                 {
1578                 gtk_selection_data_set(selection_data, selection_data->target,
1579                                        8, NULL, 0);
1580                 }
1581 }
1582
1583 static void view_window_dnd_init(ViewWindow *vw)
1584 {
1585         ImageWindow *imd;
1586
1587         imd = vw->imd;
1588
1589         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1590                             dnd_file_drag_types, dnd_file_drag_types_count,
1591                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1592         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1593                          G_CALLBACK(view_window_set_dnd_data), vw);
1594
1595         gtk_drag_dest_set(imd->pr,
1596                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1597                           dnd_file_drop_types, dnd_file_drop_types_count,
1598                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1599         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1600                          G_CALLBACK(view_window_get_dnd_data), vw);
1601 }
1602
1603 /*
1604  *-----------------------------------------------------------------------------
1605  * maintenance (for rename, move, remove)
1606  *-----------------------------------------------------------------------------
1607  */
1608
1609 static void view_real_removed(ViewWindow *vw, FileData *fd)
1610 {
1611         ImageWindow *imd;
1612         FileData *image_fd;
1613
1614         imd = view_window_active_image(vw);
1615         image_fd = image_get_fd(imd);
1616
1617         if (image_fd && image_fd == fd)
1618                 {
1619                 if (vw->list)
1620                         {
1621                         view_list_step(vw, TRUE);
1622                         if (image_get_fd(imd) == image_fd)
1623                                 {
1624                                 view_list_step(vw, FALSE);
1625                                 }
1626                         }
1627                 else if (view_window_contains_collection(vw))
1628                         {
1629                         view_collection_step(vw, TRUE);
1630                         if (image_get_fd(imd) == image_fd)
1631                                 {
1632                                 view_collection_step(vw, FALSE);
1633                                 }
1634                         }
1635                 if (image_get_fd(imd) == image_fd)
1636                         {
1637                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1638                         }
1639                 }
1640
1641         if (vw->list)
1642                 {
1643                 GList *work;
1644                 GList *old;
1645
1646                 old = vw->list_pointer;
1647
1648                 work = vw->list;
1649                 while (work)
1650                         {
1651                         FileData *chk_fd;
1652                         GList *chk_link;
1653
1654                         chk_fd = work->data;
1655                         chk_link = work;
1656                         work = work->next;
1657
1658                         if (chk_fd == fd)
1659                                 {
1660                                 if (vw->list_pointer == chk_link)
1661                                         {
1662                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1663                                         }
1664                                 vw->list = g_list_remove(vw->list, chk_fd);
1665                                 file_data_unref(chk_fd);
1666                                 }
1667                         }
1668
1669                 /* handles stepping correctly when same image is in the list more than once */
1670                 if (old && old != vw->list_pointer)
1671                         {
1672                         FileData *fd;
1673
1674                         if (vw->list_pointer)
1675                                 {
1676                                 fd = vw->list_pointer->data;
1677                                 }
1678                         else
1679                                 {
1680                                 fd = NULL;
1681                                 }
1682
1683                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1684                         }
1685                 }
1686
1687         image_osd_update(imd);
1688 }
1689
1690 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1691 {
1692         ViewWindow *vw = data;
1693
1694         if (type != NOTIFY_TYPE_CHANGE || !fd->change) return;
1695
1696         switch(fd->change->type)
1697                 {
1698                 case FILEDATA_CHANGE_MOVE:
1699                 case FILEDATA_CHANGE_RENAME:
1700                         break;
1701                 case FILEDATA_CHANGE_COPY:
1702                         break;
1703                 case FILEDATA_CHANGE_DELETE:
1704                         view_real_removed(vw, fd);
1705                         break;
1706                 case FILEDATA_CHANGE_UNSPECIFIED:
1707                         break;
1708                 }
1709 }
1710 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */