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 "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 0
 435                 if (n != -1)
 436                         {
 437                         if (!editor_window_flag_set(n))
 438                                 {
 439                                 view_fullscreen_toggle(vw, TRUE);
 440                                 }
 441                         imd = view_window_active_image(vw);
 442                         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
 443                         }
 444 #endif
 445                 }
 446         else if (event->state & GDK_SHIFT_MASK)
 447                 {
 448                 stop_signal = TRUE;
 449                 switch (event->keyval)
 450                         {
 451                         case 'R': case 'r':
 452                                 image_alter(imd, ALTER_ROTATE_180);
 453                                 break;
 454                         case 'M': case 'm':
 455                                 image_alter(imd, ALTER_MIRROR);
 456                                 break;
 457                         case 'F': case 'f':
 458                                 image_alter(imd, ALTER_FLIP);
 459                                 break;
 460                         case 'G': case 'g':
 461                                 image_alter(imd, ALTER_DESATURATE);
 462                                 break;
 463                         case 'P': case 'p':
 464                                 {
 465                                 FileData *fd;
 466
 467                                 view_fullscreen_toggle(vw, TRUE);
 468                                 imd = view_window_active_image(vw);
 469                                 fd = image_get_fd(imd);
 470                                 print_window_new(fd,
 471                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 472                                                  filelist_copy(vw->list), vw->window);
 473                                 }
 474                                 break;
 475                         default:
 476                                 stop_signal = FALSE;
 477                                 break;
 478                         }
 479                 }
 480         else
 481                 {
 482                 stop_signal = TRUE;
 483                 switch (event->keyval)
 484                         {
 485                         case GDK_Page_Up: case GDK_KP_Page_Up:
 486                         case GDK_BackSpace:
 487                         case 'B': case 'b':
 488                                 view_step_prev(vw);
 489                                 break;
 490                         case GDK_Page_Down: case GDK_KP_Page_Down:
 491                         case GDK_space:
 492                         case 'N': case 'n':
 493                                 view_step_next(vw);
 494                                 break;
 495                         case GDK_Home: case GDK_KP_Home:
 496                                 view_step_to_end(vw, FALSE);
 497                                 break;
 498                         case GDK_End: case GDK_KP_End:
 499                                 view_step_to_end(vw, TRUE);
 500                                 break;
 501                         case '+': case '=': case GDK_KP_Add:
 502                                 image_zoom_adjust(imd, get_zoom_increment());
 503                                 break;
 504                         case '-': case GDK_KP_Subtract:
 505                                 image_zoom_adjust(imd, -get_zoom_increment());
 506                                 break;
 507                         case 'X': case 'x': case GDK_KP_Multiply:
 508                                 image_zoom_set(imd, 0.0);
 509                                 break;
 510                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 511                                 image_zoom_set(imd, 1.0);
 512                                 break;
 513                         case '2':
 514                                 image_zoom_set(imd, 2.0);
 515                                 break;
 516                         case '3':
 517                                 image_zoom_set(imd, 3.0);
 518                                 break;
 519                         case '4':
 520                                 image_zoom_set(imd, 4.0);
 521                                 break;
 522                         case '7':
 523                                 image_zoom_set(imd, -4.0);
 524                                 break;
 525                         case '8':
 526                                 image_zoom_set(imd, -3.0);
 527                                 break;
 528                         case '9':
 529                                 image_zoom_set(imd, -2.0);
 530                                 break;
 531                         case 'W': case 'w':
 532                                 image_zoom_set_fill_geometry(imd, FALSE);
 533                                 break;
 534                         case 'H': case 'h':
 535                                 image_zoom_set_fill_geometry(imd, TRUE);
 536                                 break;
 537                         case 'R': case 'r':
 538                                 image_reload(imd);
 539                                 break;
 540                         case 'S': case 's':
 541                                 if (vw->ss)
 542                                         {
 543                                         view_slideshow_stop(vw);
 544                                         }
 545                                 else
 546                                         {
 547                                         view_slideshow_start(vw);
 548                                         }
 549                                 break;
 550                         case 'P': case 'p':
 551                                 slideshow_pause_toggle(vw->ss);
 552                                 break;
 553                         case 'F': case 'f':
 554                         case 'V': case 'v':
 555                         case GDK_F11:
 556                                 view_fullscreen_toggle(vw, FALSE);
 557                                 break;
 558                         case 'I': case 'i':
 559                                 view_overlay_toggle(vw);
 560                                 break;
 561                         case ']':
 562                                 image_alter(imd, ALTER_ROTATE_90);
 563                                 break;
 564                         case '[':
 565                                 image_alter(imd, ALTER_ROTATE_90_CC);
 566                                 break;
 567                         case GDK_Delete: case GDK_KP_Delete:
 568                                 if (options->file_ops.enable_delete_key)
 569                                         {
 570                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 571                                         }
 572                                 break;
 573                         case GDK_Escape:
 574                                 if (vw->fs)
 575                                         {
 576                                         view_fullscreen_toggle(vw, TRUE);
 577                                         }
 578                                 else
 579                                         {
 580                                         view_window_close(vw);
 581                                         }
 582                                 break;
 583                         case GDK_Menu:
 584                         case GDK_F10:
 585                                 menu = view_popup_menu(vw);
 586                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 587                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 588                                 break;
 589                         default:
 590                                 stop_signal = FALSE;
 591                                 break;
 592                         }
 593                 }
 594
 595         return stop_signal;
 596 }
 597
 598 /*
 599  *-----------------------------------------------------------------------------
 600  * view window main routines
 601  *-----------------------------------------------------------------------------
 602  */
 603 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 604 {
 605         ViewWindow *vw = data;
 606         GtkWidget *menu;
 607
 608         switch (event->button)
 609                 {
 610                 case MOUSE_BUTTON_LEFT:
 611                         view_step_next(vw);
 612                         break;
 613                 case MOUSE_BUTTON_MIDDLE:
 614                         view_step_prev(vw);
 615                         break;
 616                 case MOUSE_BUTTON_RIGHT:
 617                         menu = view_popup_menu(vw);
 618                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 619                         break;
 620                 default:
 621                         break;
 622                 }
 623 }
 624
 625 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 626 {
 627         ViewWindow *vw = data;
 628
 629         if (event->state & GDK_CONTROL_MASK)
 630                 {
 631                 switch (event->direction)
 632                         {
 633                         case GDK_SCROLL_UP:
 634                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 635                                 break;
 636                         case GDK_SCROLL_DOWN:
 637                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 638                                 break;
 639                         default:
 640                                 break;
 641                         }
 642                 }
 643         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 644                 {
 645                 switch (event->direction)
 646                         {
 647                         case GDK_SCROLL_UP:
 648                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 649                                 break;
 650                         case GDK_SCROLL_DOWN:
 651                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 652                                 break;
 653                         case GDK_SCROLL_LEFT:
 654                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 655                                 break;
 656                         case GDK_SCROLL_RIGHT:
 657                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 658                                 break;
 659                         default:
 660                                 break;
 661                         }
 662                 }
 663         else
 664                 {
 665                 switch (event->direction)
 666                         {
 667                         case GDK_SCROLL_UP:
 668                                 view_step_prev(vw);
 669                                 break;
 670                         case GDK_SCROLL_DOWN:
 671                                 view_step_next(vw);
 672                                 break;
 673                         default:
 674                                 break;
 675                         }
 676                 }
 677 }
 678
 679 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 680 {
 681         image_set_button_func(imd, button_cb, vw);
 682         image_set_scroll_func(imd, scroll_cb, vw);
 683 }
 684
 685 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 686 {
 687         ViewWindow *vw = data;
 688
 689         vw->fs = NULL;
 690
 691         if (vw->ss) vw->ss->imd = vw->imd;
 692 }
 693
 694 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 695 {
 696         if (force_off && !vw->fs) return;
 697
 698         if (vw->fs)
 699                 {
 700                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 701                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 702
 703                 fullscreen_stop(vw->fs);
 704                 }
 705         else
 706                 {
 707                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 708
 709                 view_image_set_buttons(vw, vw->fs->imd);
 710                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 711                                  G_CALLBACK(view_window_key_press_cb), vw);
 712
 713                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 714
 715                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 716                         {
 717                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 718                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 719                         }
 720                 }
 721 }
 722
 723 static void view_overlay_toggle(ViewWindow *vw)
 724 {
 725         ImageWindow *imd;
 726
 727         imd = view_window_active_image(vw);
 728
 729         image_osd_toggle(imd);
 730 }
 731
 732 static void view_slideshow_next(ViewWindow *vw)
 733 {
 734         if (vw->ss) slideshow_next(vw->ss);
 735 }
 736
 737 static void view_slideshow_prev(ViewWindow *vw)
 738 {
 739         if (vw->ss) slideshow_prev(vw->ss);
 740 }
 741
 742 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 743 {
 744         ViewWindow *vw = data;
 745         GList *work;
 746         FileData *fd;
 747
 748         vw->ss = NULL;
 749
 750         work = vw->list;
 751         fd = image_get_fd(view_window_active_image(vw));
 752         while (work)
 753                 {
 754                 FileData *temp;
 755
 756                 temp = work->data;
 757                 if (fd == temp)
 758                         {
 759                         vw->list_pointer = work;
 760                         work = NULL;
 761                         }
 762                 else
 763                         {
 764                         work = work->next;
 765                         }
 766                 }
 767 }
 768
 769 static void view_slideshow_start(ViewWindow *vw)
 770 {
 771         if (!vw->ss)
 772                 {
 773                 CollectionData *cd;
 774                 CollectInfo *info;
 775
 776                 if (vw->list)
 777                         {
 778                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 779                                                                 filelist_copy(vw->list),
 780                                                                 view_slideshow_stop_func, vw);
 781                         vw->list_pointer = NULL;
 782                         return;
 783                         }
 784
 785                 cd = image_get_collection(view_window_active_image(vw), &info);
 786                 if (cd && info)
 787                         {
 788                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 789                                                                  view_slideshow_stop_func, vw, info);
 790                         }
 791                 }
 792 }
 793
 794 static void view_slideshow_stop(ViewWindow *vw)
 795 {
 796         if (vw->ss) slideshow_free(vw->ss);
 797 }
 798
 799 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 800 {
 801         ViewWindow *vw = data;
 802
 803         view_window_list = g_list_remove(view_window_list, vw);
 804
 805         view_slideshow_stop(vw);
 806         fullscreen_stop(vw->fs);
 807
 808         filelist_free(vw->list);
 809
 810         file_data_unregister_notify_func(view_window_notify_cb, vw);
 811
 812         g_free(vw);
 813 }
 814
 815 static void view_window_close(ViewWindow *vw)
 816 {
 817         view_slideshow_stop(vw);
 818         view_fullscreen_toggle(vw, TRUE);
 819         gtk_widget_destroy(vw->window);
 820 }
 821
 822 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 823 {
 824         ViewWindow *vw = data;
 825
 826         view_window_close(vw);
 827         return TRUE;
 828 }
 829
 830 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 831 {
 832         ViewWindow *vw;
 833         GtkAllocation req_size;
 834         GdkGeometry geometry;
 835         gint w, h;
 836
 837         if (!fd && !list && (!cd || !info)) return NULL;
 838
 839         vw = g_new0(ViewWindow, 1);
 840         vw->fs = NULL;
 841         vw->ss = NULL;
 842         vw->list = NULL;
 843         vw->list_pointer = NULL;
 844
 845         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 846
 847         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 848         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 849         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 850
 851         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 852         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 853
 854         vw->imd = image_new(FALSE);
 855
 856         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 857
 858         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 859
 860         image_auto_refresh_enable(vw->imd, TRUE);
 861         image_top_window_set_sync(vw->imd, TRUE);
 862
 863         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 864         gtk_widget_show(vw->imd->widget);
 865
 866         view_window_dnd_init(vw);
 867
 868         view_image_set_buttons(vw, vw->imd);
 869
 870         g_signal_connect(G_OBJECT(vw->window), "destroy",
 871                          G_CALLBACK(view_window_destroy_cb), vw);
 872         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 873                          G_CALLBACK(view_window_delete_cb), vw);
 874         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 875                          G_CALLBACK(view_window_key_press_cb), vw);
 876         if (cd && info)
 877                 {
 878                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 879                 if (options->image.enable_read_ahead)
 880                         {
 881                         CollectInfo * r_info = collection_next_by_info(cd, info);
 882                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 883                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 884                         }
 885                 }
 886         else if (list)
 887                 {
 888                 view_window_set_list(vw, list);
 889                 vw->list_pointer = vw->list;
 890                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 891
 892                 if (options->image.enable_read_ahead)
 893                         {
 894                         GList *work = vw->list->next;
 895                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 896                         }
 897                 }
 898         else
 899                 {
 900                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 901                 }
 902
 903         if (image_zoom_get(vw->imd) == 0.0)
 904                 {
 905                 image_get_image_size(vw->imd, &w, &h);
 906                 }
 907         else
 908                 {
 909                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 910                 }
 911         if (options->image.limit_window_size)
 912                 {
 913                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 914                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 915
 916                 if (w > mw) w = mw;
 917                 if (h > mh) h = mh;
 918                 }
 919
 920         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 921         req_size.x = req_size.y = 0;
 922         req_size.width = w;
 923         req_size.height = h;
 924         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 925
 926         gtk_widget_set_size_request(vw->imd->pr, w, h);
 927
 928         gtk_widget_show(vw->window);
 929
 930         view_window_list = g_list_append(view_window_list, vw);
 931
 932         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 933
 934         return vw;
 935 }
 936
 937 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 938 {
 939         CollectionData *cd = data;
 940
 941         collection_unref(cd);
 942 }
 943
 944 void view_window_new(FileData *fd)
 945 {
 946         GList *list;
 947
 948         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 949                 {
 950                 ViewWindow *vw;
 951                 CollectionData *cd;
 952                 CollectInfo *info;
 953
 954                 cd = collection_new(fd->path);
 955                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 956                         {
 957                         info = collection_get_first(cd);
 958                         }
 959                 else
 960                         {
 961                         collection_unref(cd);
 962                         cd = NULL;
 963                         info = NULL;
 964                         }
 965                 vw = real_view_window_new(NULL, NULL, cd, info);
 966                 if (vw && cd)
 967                         {
 968                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 969                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 970                         }
 971                 }
 972         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 973                 {
 974                 list = filelist_sort_path(list);
 975                 list = filelist_filter(list, FALSE);
 976                 real_view_window_new(NULL, list, NULL, NULL);
 977                 filelist_free(list);
 978                 }
 979         else
 980                 {
 981                 real_view_window_new(fd, NULL, NULL, NULL);
 982                 }
 983 }
 984
 985 void view_window_new_from_list(GList *list)
 986 {
 987         real_view_window_new(NULL, list, NULL, NULL);
 988 }
 989
 990 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 991 {
 992         real_view_window_new(NULL, NULL, cd, info);
 993 }
 994
 995 /*
 996  *-----------------------------------------------------------------------------
 997  * public
 998  *-----------------------------------------------------------------------------
 999  */
1000
1001 void view_window_colors_update(void)
1002 {
1003         GList *work;
1004
1005         work = view_window_list;
1006         while (work)
1007                 {
1008                 ViewWindow *vw = work->data;
1009                 work = work->next;
1010
1011                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1012                 }
1013 }
1014
1015 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1016 {
1017         GList *work;
1018
1019         work = view_window_list;
1020         while (work)
1021                 {
1022                 ViewWindow *vw = work->data;
1023                 work = work->next;
1024
1025                 if (vw->imd == imd ||
1026                     (vw->fs && vw->fs->imd == imd))
1027                         {
1028                         if (vw->ss)
1029                                 {
1030                                 gint n;
1031                                 gint t;
1032
1033                                 n = g_list_length(vw->ss->list_done);
1034                                 t = n + g_list_length(vw->ss->list);
1035                                 if (n == 0) n = t;
1036                                 if (index) *index = n - 1;
1037                                 if (total) *total = t;
1038                                 }
1039                         else
1040                                 {
1041                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1042                                 if (total) *total = g_list_length(vw->list);
1043                                 }
1044                         return TRUE;
1045                         }
1046                 }
1047
1048         return FALSE;
1049 }
1050
1051 /*
1052  *-----------------------------------------------------------------------------
1053  * view window menu routines and callbacks
1054  *-----------------------------------------------------------------------------
1055  */
1056
1057 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1058 {
1059         ViewWindow *vw = data;
1060         CollectionData *cd;
1061         CollectInfo *info;
1062
1063         cd = image_get_collection(vw->imd, &info);
1064
1065         if (cd && info)
1066                 {
1067                 view_window_new_from_collection(cd, info);
1068                 }
1069         else
1070                 {
1071                 view_window_new(image_get_fd(vw->imd));
1072                 }
1073 }
1074
1075 static void view_edit_cb(GtkWidget *widget, gpointer data)
1076 {
1077         ViewWindow *vw;
1078         ImageWindow *imd;
1079         const gchar *key = data;
1080
1081         vw = submenu_item_get_data(widget);
1082         if (!vw) return;
1083
1084         if (!editor_window_flag_set(key))
1085                 {
1086                 view_fullscreen_toggle(vw, TRUE);
1087                 }
1088
1089         imd = view_window_active_image(vw);
1090         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1091 }
1092
1093 static void view_alter_cb(GtkWidget *widget, gpointer data)
1094 {
1095         ViewWindow *vw;
1096         AlterType type;
1097
1098         vw = submenu_item_get_data(widget);
1099         type = GPOINTER_TO_INT(data);
1100
1101         if (!vw) return;
1102         image_alter(vw->imd, type);
1103 }
1104
1105 static void view_info_cb(GtkWidget *widget, gpointer data)
1106 {
1107         ViewWindow *vw = data;
1108         ImageWindow *imd;
1109
1110         imd = view_window_active_image(vw);
1111         info_window_new(image_get_fd(imd), NULL, vw->fs ? vw->fs->window : NULL);
1112 }
1113
1114 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1115 {
1116         ViewWindow *vw = data;
1117         ImageWindow *imd;
1118
1119         imd = view_window_active_image(vw);
1120         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1121 }
1122
1123 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126
1127         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1128 }
1129
1130 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1131 {
1132         ViewWindow *vw = data;
1133
1134         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1135 }
1136
1137 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1138 {
1139         ViewWindow *vw = data;
1140
1141         image_zoom_set(view_window_active_image(vw), 1.0);
1142 }
1143
1144 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1145 {
1146         ViewWindow *vw = data;
1147
1148         image_zoom_set(view_window_active_image(vw), 0.0);
1149 }
1150
1151 static void view_copy_cb(GtkWidget *widget, gpointer data)
1152 {
1153         ViewWindow *vw = data;
1154         ImageWindow *imd;
1155
1156         imd = view_window_active_image(vw);
1157         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1158 }
1159
1160 static void view_move_cb(GtkWidget *widget, gpointer data)
1161 {
1162         ViewWindow *vw = data;
1163         ImageWindow *imd;
1164
1165         imd = view_window_active_image(vw);
1166         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1167 }
1168
1169 static void view_rename_cb(GtkWidget *widget, gpointer data)
1170 {
1171         ViewWindow *vw = data;
1172         ImageWindow *imd;
1173
1174         imd = view_window_active_image(vw);
1175         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1176 }
1177
1178 static void view_delete_cb(GtkWidget *widget, gpointer data)
1179 {
1180         ViewWindow *vw = data;
1181         ImageWindow *imd;
1182
1183         imd = view_window_active_image(vw);
1184         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1185 }
1186
1187 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1188 {
1189         ViewWindow *vw = data;
1190         ImageWindow *imd;
1191
1192         imd = view_window_active_image(vw);
1193         file_util_copy_path_to_clipboard(image_get_fd(imd));
1194 }
1195
1196 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1197 {
1198         ViewWindow *vw = data;
1199
1200         view_fullscreen_toggle(vw, FALSE);
1201 }
1202
1203 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1204 {
1205         ViewWindow *vw = data;
1206
1207         view_slideshow_start(vw);
1208 }
1209
1210 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1211 {
1212         ViewWindow *vw = data;
1213
1214         view_slideshow_stop(vw);
1215 }
1216
1217 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1218 {
1219         ViewWindow *vw = data;
1220
1221         slideshow_pause_toggle(vw->ss);
1222 }
1223
1224 static void view_close_cb(GtkWidget *widget, gpointer data)
1225 {
1226         ViewWindow *vw = data;
1227
1228         view_window_close(vw);
1229 }
1230
1231 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1232 {
1233         LayoutWindow *nw;
1234
1235         nw = layout_new(NULL, FALSE, FALSE);
1236         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1237         layout_set_fd(nw, fd);
1238         return nw;
1239 }
1240
1241
1242 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1243 {
1244         ViewWindow *vw = data;
1245         LayoutWindow *lw;
1246         ImageWindow *imd;
1247
1248         imd = view_window_active_image(vw);
1249
1250         if (!imd || !imd->image_fd) return;
1251
1252         lw = layout_find_by_image_fd(imd);
1253         if (lw)
1254                 layout_set_fd(lw, imd->image_fd);
1255         else
1256                 view_new_layout_with_fd(imd->image_fd);
1257         view_window_close(vw);
1258 }
1259
1260 static GtkWidget *view_popup_menu(ViewWindow *vw)
1261 {
1262         GtkWidget *menu;
1263         GtkWidget *item;
1264
1265         menu = popup_menu_short_lived();
1266
1267         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1268         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1269         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1270         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1271         menu_item_add_divider(menu);
1272
1273         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1274         menu_item_add_divider(item);
1275         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1276
1277         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1278
1279         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1280
1281         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1282         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1283
1284         menu_item_add_divider(menu);
1285         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1286         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1287         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1288         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1289         if (options->show_copy_path)
1290                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1291
1292         menu_item_add_divider(menu);
1293
1294         if (vw->ss)
1295                 {
1296                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1297                 if (slideshow_paused(vw->ss))
1298                         {
1299                         item = menu_item_add(menu, _("Continue slides_how"),
1300                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1301                         }
1302                 else
1303                         {
1304                         item = menu_item_add(menu, _("Pause slides_how"),
1305                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1306                         }
1307                 }
1308         else
1309                 {
1310                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1311                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1312                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1313                 gtk_widget_set_sensitive(item, FALSE);
1314                 }
1315
1316         if (vw->fs)
1317                 {
1318                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1319                 }
1320         else
1321                 {
1322                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1323                 }
1324
1325         menu_item_add_divider(menu);
1326         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1327
1328         return menu;
1329 }
1330
1331 /*
1332  *-------------------------------------------------------------------
1333  * dnd confirm dir
1334  *-------------------------------------------------------------------
1335  */
1336
1337 typedef struct {
1338         ViewWindow *vw;
1339         GList *list;
1340 } CViewConfirmD;
1341
1342 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1343 {
1344         /* do nothing */
1345 }
1346
1347 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1348 {
1349         GList *work;
1350
1351         view_window_set_list(vw, NULL);
1352
1353         work = list;
1354         while (work)
1355                 {
1356                 FileData *fd = work->data;
1357                 work = work->next;
1358
1359                 if (isdir(fd->path))
1360                         {
1361                         if (!skip)
1362                                 {
1363                                 GList *list = NULL;
1364
1365                                 if (recurse)
1366                                         {
1367                                         list = filelist_recursive(fd);
1368                                         }
1369                                 else
1370                                         { /*FIXME */
1371                                         filelist_read(fd, &list, NULL);
1372                                         list = filelist_sort_path(list);
1373                                         list = filelist_filter(list, FALSE);
1374                                         }
1375                                 if (list) vw->list = g_list_concat(vw->list, list);
1376                                 }
1377                         }
1378                 else
1379                         {
1380                         /* FIXME: no filtering here */
1381                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1382                         }
1383                 }
1384
1385         if (vw->list)
1386                 {
1387                 FileData *fd;
1388
1389                 vw->list_pointer = vw->list;
1390                 fd = vw->list->data;
1391                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1392
1393                 work = vw->list->next;
1394                 if (options->image.enable_read_ahead && work)
1395                         {
1396                         fd = work->data;
1397                         image_prebuffer_set(vw->imd, fd);
1398                         }
1399                 }
1400         else
1401                 {
1402                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1403                 }
1404 }
1405
1406 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1407 {
1408         CViewConfirmD *d = data;
1409         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1410 }
1411
1412 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1413 {
1414         CViewConfirmD *d = data;
1415         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1416 }
1417
1418 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1419 {
1420         CViewConfirmD *d = data;
1421         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1422 }
1423
1424 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1425 {
1426         CViewConfirmD *d = data;
1427         filelist_free(d->list);
1428         g_free(d);
1429 }
1430
1431 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1432 {
1433         GtkWidget *menu;
1434         CViewConfirmD *d;
1435
1436         d = g_new(CViewConfirmD, 1);
1437         d->vw = vw;
1438         d->list = list;
1439
1440         menu = popup_menu_short_lived();
1441         g_signal_connect(G_OBJECT(menu), "destroy",
1442                          G_CALLBACK(view_dir_list_destroy), d);
1443
1444         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1445         menu_item_add_divider(menu);
1446         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1447         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1448         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1449         menu_item_add_divider(menu);
1450         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1451
1452         return menu;
1453 }
1454
1455 /*
1456  *-----------------------------------------------------------------------------
1457  * image drag and drop routines
1458  *-----------------------------------------------------------------------------
1459  */
1460
1461 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1462                                      gint x, gint y,
1463                                      GtkSelectionData *selection_data, guint info,
1464                                      guint time, gpointer data)
1465 {
1466         ViewWindow *vw = data;
1467         ImageWindow *imd;
1468
1469         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1470
1471         imd = vw->imd;
1472
1473         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1474                 {
1475                 CollectionData *source;
1476                 GList *list;
1477                 GList *info_list;
1478
1479                 if (info == TARGET_URI_LIST)
1480                         {
1481                         GList *work;
1482
1483                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1484
1485                         work = list;
1486                         while (work)
1487                                 {
1488                                 FileData *fd = work->data;
1489                                 if (isdir(fd->path))
1490                                         {
1491                                         GtkWidget *menu;
1492                                         menu = view_confirm_dir_list(vw, list);
1493                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1494                                         return;
1495                                         }
1496                                 work = work->next;
1497                                 }
1498
1499                         list = filelist_filter(list, FALSE);
1500
1501                         source = NULL;
1502                         info_list = NULL;
1503                         }
1504                 else
1505                         {
1506                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1507                         }
1508
1509                 if (list)
1510                         {
1511                         FileData *fd;
1512
1513                         fd = list->data;
1514                         if (isfile(fd->path))
1515                                 {
1516                                 view_slideshow_stop(vw);
1517                                 view_window_set_list(vw, NULL);
1518
1519                                 if (source && info_list)
1520                                         {
1521                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1522                                         }
1523                                 else
1524                                         {
1525                                         if (list->next)
1526                                                 {
1527                                                 vw->list = list;
1528                                                 list = NULL;
1529
1530                                                 vw->list_pointer = vw->list;
1531                                                 }
1532                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1533                                         }
1534                                 }
1535                         }
1536                 filelist_free(list);
1537                 g_list_free(info_list);
1538                 }
1539 }
1540
1541 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1542                                      GtkSelectionData *selection_data, guint info,
1543                                      guint time, gpointer data)
1544 {
1545         ViewWindow *vw = data;
1546         FileData *fd;
1547
1548         fd = image_get_fd(vw->imd);
1549
1550         if (fd)
1551                 {
1552                 gchar *text = NULL;
1553                 gint len;
1554                 gint plain_text;
1555                 GList *list;
1556
1557                 switch (info)
1558                         {
1559                         case TARGET_URI_LIST:
1560                                 plain_text = FALSE;
1561                                 break;
1562                         case TARGET_TEXT_PLAIN:
1563                         default:
1564                                 plain_text = TRUE;
1565                                 break;
1566                         }
1567                 list = g_list_append(NULL, fd);
1568                 text = uri_text_from_filelist(list, &len, plain_text);
1569                 g_list_free(list);
1570                 if (text)
1571                         {
1572                         gtk_selection_data_set(selection_data, selection_data->target,
1573                                                8, (guchar *)text, len);
1574                         g_free(text);
1575                         }
1576                 }
1577         else
1578                 {
1579                 gtk_selection_data_set(selection_data, selection_data->target,
1580                                        8, NULL, 0);
1581                 }
1582 }
1583
1584 static void view_window_dnd_init(ViewWindow *vw)
1585 {
1586         ImageWindow *imd;
1587
1588         imd = vw->imd;
1589
1590         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1591                             dnd_file_drag_types, dnd_file_drag_types_count,
1592                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1593         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1594                          G_CALLBACK(view_window_set_dnd_data), vw);
1595
1596         gtk_drag_dest_set(imd->pr,
1597                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1598                           dnd_file_drop_types, dnd_file_drop_types_count,
1599                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1600         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1601                          G_CALLBACK(view_window_get_dnd_data), vw);
1602 }
1603
1604 /*
1605  *-----------------------------------------------------------------------------
1606  * maintenance (for rename, move, remove)
1607  *-----------------------------------------------------------------------------
1608  */
1609
1610 static void view_real_removed(ViewWindow *vw, FileData *fd)
1611 {
1612         ImageWindow *imd;
1613         FileData *image_fd;
1614
1615         imd = view_window_active_image(vw);
1616         image_fd = image_get_fd(imd);
1617
1618         if (image_fd && image_fd == fd)
1619                 {
1620                 if (vw->list)
1621                         {
1622                         view_list_step(vw, TRUE);
1623                         if (image_get_fd(imd) == image_fd)
1624                                 {
1625                                 view_list_step(vw, FALSE);
1626                                 }
1627                         }
1628                 else if (view_window_contains_collection(vw))
1629                         {
1630                         view_collection_step(vw, TRUE);
1631                         if (image_get_fd(imd) == image_fd)
1632                                 {
1633                                 view_collection_step(vw, FALSE);
1634                                 }
1635                         }
1636                 if (image_get_fd(imd) == image_fd)
1637                         {
1638                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1639                         }
1640                 }
1641
1642         if (vw->list)
1643                 {
1644                 GList *work;
1645                 GList *old;
1646
1647                 old = vw->list_pointer;
1648
1649                 work = vw->list;
1650                 while (work)
1651                         {
1652                         FileData *chk_fd;
1653                         GList *chk_link;
1654
1655                         chk_fd = work->data;
1656                         chk_link = work;
1657                         work = work->next;
1658
1659                         if (chk_fd == fd)
1660                                 {
1661                                 if (vw->list_pointer == chk_link)
1662                                         {
1663                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1664                                         }
1665                                 vw->list = g_list_remove(vw->list, chk_fd);
1666                                 file_data_unref(chk_fd);
1667                                 }
1668                         }
1669
1670                 /* handles stepping correctly when same image is in the list more than once */
1671                 if (old && old != vw->list_pointer)
1672                         {
1673                         FileData *fd;
1674
1675                         if (vw->list_pointer)
1676                                 {
1677                                 fd = vw->list_pointer->data;
1678                                 }
1679                         else
1680                                 {
1681                                 fd = NULL;
1682                                 }
1683
1684                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1685                         }
1686                 }
1687
1688         image_osd_update(imd);
1689 }
1690
1691 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1692 {
1693         ViewWindow *vw = data;
1694
1695         if (type != NOTIFY_TYPE_CHANGE || !fd->change) return;
1696
1697         switch(fd->change->type)
1698                 {
1699                 case FILEDATA_CHANGE_MOVE:
1700                 case FILEDATA_CHANGE_RENAME:
1701                         break;
1702                 case FILEDATA_CHANGE_COPY:
1703                         break;
1704                 case FILEDATA_CHANGE_DELETE:
1705                         view_real_removed(vw, fd);
1706                         break;
1707                 case FILEDATA_CHANGE_UNSPECIFIED:
1708                 case FILEDATA_CHANGE_WRITE_METADATA:
1709                         break;
1710                 }
1711 }
1712 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */