src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2012 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "layout.h"
  26 #include "layout_image.h"
  27 #include "menu.h"
  28 #include "misc.h"
  29 #include "pixbuf_util.h"
  30 #include "pixbuf-renderer.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "ui_fileops.h"
  34 #include "ui_menu.h"
  35 #include "uri_utils.h"
  36 #include "utilops.h"
  37 #include "window.h"
  38
  39 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  40
  41
  42 typedef struct _ViewWindow ViewWindow;
  43 struct _ViewWindow
  44 {
  45         GtkWidget *window;
  46         ImageWindow *imd;
  47         FullScreenData *fs;
  48         SlideShowData *ss;
  49
  50         GList *list;
  51         GList *list_pointer;
  52 };
  53
  54
  55 static GList *view_window_list = NULL;
  56
  57
  58 static GtkWidget *view_popup_menu(ViewWindow *vw);
  59 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  60 static void view_overlay_toggle(ViewWindow *vw);
  61
  62 static void view_slideshow_next(ViewWindow *vw);
  63 static void view_slideshow_prev(ViewWindow *vw);
  64 static void view_slideshow_start(ViewWindow *vw);
  65 static void view_slideshow_stop(ViewWindow *vw);
  66
  67 static void view_window_close(ViewWindow *vw);
  68
  69 static void view_window_dnd_init(ViewWindow *vw);
  70
  71 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  72
  73 /*
  74  *-----------------------------------------------------------------------------
  75  * misc
  76  *-----------------------------------------------------------------------------
  77  */
  78
  79 static ImageWindow *view_window_active_image(ViewWindow *vw)
  80 {
  81         if (vw->fs) return vw->fs->imd;
  82
  83         return vw->imd;
  84 }
  85
  86 static void view_window_set_list(ViewWindow *vw, GList *list)
  87 {
  88
  89         filelist_free(vw->list);
  90         vw->list = NULL;
  91         vw->list_pointer = NULL;
  92
  93         vw->list = filelist_copy(list);
  94 }
  95
  96 static gboolean view_window_contains_collection(ViewWindow *vw)
  97 {
  98         CollectionData *cd;
  99         CollectInfo *info;
 100
 101         cd = image_get_collection(view_window_active_image(vw), &info);
 102
 103         return (cd && info);
 104 }
 105
 106 static void view_collection_step(ViewWindow *vw, gboolean next)
 107 {
 108         ImageWindow *imd = view_window_active_image(vw);
 109         CollectionData *cd;
 110         CollectInfo *info;
 111         CollectInfo *read_ahead_info = NULL;
 112
 113         cd = image_get_collection(imd, &info);
 114
 115         if (!cd || !info) return;
 116
 117         if (next)
 118                 {
 119                 info = collection_next_by_info(cd, info);
 120                 if (options->image.enable_read_ahead)
 121                         {
 122                         read_ahead_info = collection_next_by_info(cd, info);
 123                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 124                         }
 125                 }
 126         else
 127                 {
 128                 info = collection_prev_by_info(cd, info);
 129                 if (options->image.enable_read_ahead)
 130                         {
 131                         read_ahead_info = collection_prev_by_info(cd, info);
 132                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 133                         }
 134                 }
 135
 136         if (info)
 137                 {
 138                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 139
 140                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 141                 }
 142
 143 }
 144
 145 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 146 {
 147         ImageWindow *imd = view_window_active_image(vw);
 148         CollectionData *cd;
 149         CollectInfo *info;
 150         CollectInfo *read_ahead_info = NULL;
 151
 152         cd = image_get_collection(imd, &info);
 153
 154         if (!cd || !info) return;
 155
 156         if (last)
 157                 {
 158                 info = collection_get_last(cd);
 159                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 160                 }
 161         else
 162                 {
 163                 info = collection_get_first(cd);
 164                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 165                 }
 166
 167         if (info)
 168                 {
 169                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 170                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 171                 }
 172 }
 173
 174 static void view_list_step(ViewWindow *vw, gboolean next)
 175 {
 176         ImageWindow *imd = view_window_active_image(vw);
 177         FileData *fd;
 178         GList *work;
 179         GList *work_ahead;
 180
 181         if (!vw->list) return;
 182
 183         fd = image_get_fd(imd);
 184         if (!fd) return;
 185
 186         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 187                 {
 188                 work = vw->list_pointer;
 189                 }
 190         else
 191                 {
 192                 gboolean found = FALSE;
 193
 194                 work = vw->list;
 195                 while (work && !found)
 196                         {
 197                         FileData *temp;
 198
 199                         temp = work->data;
 200
 201                         if (fd == temp)
 202                                 {
 203                                 found = TRUE;
 204                                 }
 205                         else
 206                                 {
 207                                 work = work->next;
 208                                 }
 209                         }
 210                 }
 211         if (!work) return;
 212
 213         work_ahead = NULL;
 214         if (next)
 215                 {
 216                 work = work->next;
 217                 if (work) work_ahead = work->next;
 218                 }
 219         else
 220                 {
 221                 work = work->prev;
 222                 if (work) work_ahead = work->prev;
 223                 }
 224
 225         if (!work) return;
 226
 227         vw->list_pointer = work;
 228         fd = work->data;
 229         image_change_fd(imd, fd, image_zoom_get_default(imd));
 230
 231         if (options->image.enable_read_ahead && work_ahead)
 232                 {
 233                 FileData *next_fd = work_ahead->data;
 234                 image_prebuffer_set(imd, next_fd);
 235                 }
 236 }
 237
 238 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 239 {
 240         ImageWindow *imd = view_window_active_image(vw);
 241         FileData *fd;
 242         GList *work;
 243         GList *work_ahead;
 244
 245         if (!vw->list) return;
 246
 247         if (last)
 248                 {
 249                 work = g_list_last(vw->list);
 250                 work_ahead = work->prev;
 251                 }
 252         else
 253                 {
 254                 work = vw->list;
 255                 work_ahead = work->next;
 256                 }
 257
 258         vw->list_pointer = work;
 259         fd = work->data;
 260         image_change_fd(imd, fd, image_zoom_get_default(imd));
 261
 262         if (options->image.enable_read_ahead && work_ahead)
 263                 {
 264                 FileData *next_fd = work_ahead->data;
 265                 image_prebuffer_set(imd, next_fd);
 266                 }
 267 }
 268
 269 static void view_step_next(ViewWindow *vw)
 270 {
 271         if (vw->ss)
 272                 {
 273                 view_slideshow_next(vw);
 274                 }
 275         else if (vw->list)
 276                 {
 277                 view_list_step(vw, TRUE);
 278                 }
 279         else
 280                 {
 281                 view_collection_step(vw, TRUE);
 282                 }
 283 }
 284
 285 static void view_step_prev(ViewWindow *vw)
 286 {
 287         if (vw->ss)
 288                 {
 289                 view_slideshow_prev(vw);
 290                 }
 291         else if (vw->list)
 292                 {
 293                 view_list_step(vw, FALSE);
 294                 }
 295         else
 296                 {
 297                 view_collection_step(vw, FALSE);
 298                 }
 299 }
 300
 301 static void view_step_to_end(ViewWindow *vw, gboolean last)
 302 {
 303         if (vw->list)
 304                 {
 305                 view_list_step_to_end(vw, last);
 306                 }
 307         else
 308                 {
 309                 view_collection_step_to_end(vw, last);
 310                 }
 311 }
 312
 313 /*
 314  *-----------------------------------------------------------------------------
 315  * view window keyboard
 316  *-----------------------------------------------------------------------------
 317  */
 318
 319 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 320 {
 321         ViewWindow *vw = data;
 322         ImageWindow *imd;
 323
 324         imd = view_window_active_image(vw);
 325         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 326         popup_menu_position_clamp(menu, x, y, 0);
 327 }
 328
 329 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 330 {
 331         ViewWindow *vw = data;
 332         ImageWindow *imd;
 333         gint stop_signal;
 334         GtkWidget *menu;
 335         gint x = 0;
 336         gint y = 0;
 337
 338         imd = view_window_active_image(vw);
 339
 340         stop_signal = TRUE;
 341         switch (event->keyval)
 342                 {
 343                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 344                         x -= 1;
 345                         break;
 346                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 347                         x += 1;
 348                         break;
 349                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 350                         y -= 1;
 351                         break;
 352                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 353                         y += 1;
 354                         break;
 355                 default:
 356                         stop_signal = FALSE;
 357                         break;
 358                 }
 359
 360         if (x != 0 || y!= 0)
 361                 {
 362                 if (event->state & GDK_SHIFT_MASK)
 363                         {
 364                         x *= 3;
 365                         y *= 3;
 366                         }
 367
 368                 keyboard_scroll_calc(&x, &y, event);
 369                 image_scroll(imd, x, y);
 370                 }
 371
 372         if (stop_signal) return stop_signal;
 373
 374         if (event->state & GDK_CONTROL_MASK)
 375                 {
 376                 stop_signal = TRUE;
 377                 switch (event->keyval)
 378                         {
 379                         case '1':
 380                         case '2':
 381                         case '3':
 382                         case '4':
 383                         case '5':
 384                         case '6':
 385                         case '7':
 386                         case '8':
 387                         case '9':
 388                         case '0':
 389                                 break;
 390                         case 'C': case 'c':
 391                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 392                                 break;
 393                         case 'M': case 'm':
 394                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 395                                 break;
 396                         case 'R': case 'r':
 397                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 398                                 break;
 399                         case 'D': case 'd':
 400                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 401                                 break;
 402                         case 'W': case 'w':
 403                                 view_window_close(vw);
 404                                 break;
 405                         default:
 406                                 stop_signal = FALSE;
 407                                 break;
 408                         }
 409                 }
 410         else if (event->state & GDK_SHIFT_MASK)
 411                 {
 412                 stop_signal = TRUE;
 413                 switch (event->keyval)
 414                         {
 415                         case 'R': case 'r':
 416                                 image_alter_orientation(imd, ALTER_ROTATE_180);
 417                                 break;
 418                         case 'M': case 'm':
 419                                 image_alter_orientation(imd, ALTER_MIRROR);
 420                                 break;
 421                         case 'F': case 'f':
 422                                 image_alter_orientation(imd, ALTER_FLIP);
 423                                 break;
 424                         case 'G': case 'g':
 425                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 426                                 break;
 427                         case 'P': case 'p':
 428                                 {
 429                                 FileData *fd;
 430
 431                                 view_fullscreen_toggle(vw, TRUE);
 432                                 imd = view_window_active_image(vw);
 433                                 fd = image_get_fd(imd);
 434                                 print_window_new(fd,
 435                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 436                                                  filelist_copy(vw->list), vw->window);
 437                                 }
 438                                 break;
 439                         default:
 440                                 stop_signal = FALSE;
 441                                 break;
 442                         }
 443                 }
 444         else
 445                 {
 446                 stop_signal = TRUE;
 447                 switch (event->keyval)
 448                         {
 449                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 450                         case GDK_KEY_BackSpace:
 451                         case 'B': case 'b':
 452                                 view_step_prev(vw);
 453                                 break;
 454                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 455                         case GDK_KEY_space:
 456                         case 'N': case 'n':
 457                                 view_step_next(vw);
 458                                 break;
 459                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 460                                 view_step_to_end(vw, FALSE);
 461                                 break;
 462                         case GDK_KEY_End: case GDK_KEY_KP_End:
 463                                 view_step_to_end(vw, TRUE);
 464                                 break;
 465                         case '+': case '=': case GDK_KEY_KP_Add:
 466                                 image_zoom_adjust(imd, get_zoom_increment());
 467                                 break;
 468                         case '-': case GDK_KEY_KP_Subtract:
 469                                 image_zoom_adjust(imd, -get_zoom_increment());
 470                                 break;
 471                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 472                                 image_zoom_set(imd, 0.0);
 473                                 break;
 474                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 475                                 image_zoom_set(imd, 1.0);
 476                                 break;
 477                         case '2':
 478                                 image_zoom_set(imd, 2.0);
 479                                 break;
 480                         case '3':
 481                                 image_zoom_set(imd, 3.0);
 482                                 break;
 483                         case '4':
 484                                 image_zoom_set(imd, 4.0);
 485                                 break;
 486                         case '7':
 487                                 image_zoom_set(imd, -4.0);
 488                                 break;
 489                         case '8':
 490                                 image_zoom_set(imd, -3.0);
 491                                 break;
 492                         case '9':
 493                                 image_zoom_set(imd, -2.0);
 494                                 break;
 495                         case 'W': case 'w':
 496                                 image_zoom_set_fill_geometry(imd, FALSE);
 497                                 break;
 498                         case 'H': case 'h':
 499                                 image_zoom_set_fill_geometry(imd, TRUE);
 500                                 break;
 501                         case 'R': case 'r':
 502                                 image_reload(imd);
 503                                 break;
 504                         case 'S': case 's':
 505                                 if (vw->ss)
 506                                         {
 507                                         view_slideshow_stop(vw);
 508                                         }
 509                                 else
 510                                         {
 511                                         view_slideshow_start(vw);
 512                                         }
 513                                 break;
 514                         case 'P': case 'p':
 515                                 slideshow_pause_toggle(vw->ss);
 516                                 break;
 517                         case 'F': case 'f':
 518                         case 'V': case 'v':
 519                         case GDK_KEY_F11:
 520                                 view_fullscreen_toggle(vw, FALSE);
 521                                 break;
 522                         case 'I': case 'i':
 523                                 view_overlay_toggle(vw);
 524                                 break;
 525                         case ']':
 526                                 image_alter_orientation(imd, ALTER_ROTATE_90);
 527                                 break;
 528                         case '[':
 529                                 image_alter_orientation(imd, ALTER_ROTATE_90_CC);
 530                                 break;
 531                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 532                                 if (options->file_ops.enable_delete_key)
 533                                         {
 534                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 535                                         }
 536                                 break;
 537                         case GDK_KEY_Escape:
 538                                 if (vw->fs)
 539                                         {
 540                                         view_fullscreen_toggle(vw, TRUE);
 541                                         }
 542                                 else
 543                                         {
 544                                         view_window_close(vw);
 545                                         }
 546                                 break;
 547                         case GDK_KEY_Menu:
 548                         case GDK_KEY_F10:
 549                                 menu = view_popup_menu(vw);
 550                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 551                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 552                                 break;
 553                         default:
 554                                 stop_signal = FALSE;
 555                                 break;
 556                         }
 557                 }
 558
 559         return stop_signal;
 560 }
 561
 562 /*
 563  *-----------------------------------------------------------------------------
 564  * view window main routines
 565  *-----------------------------------------------------------------------------
 566  */
 567 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 568 {
 569         ViewWindow *vw = data;
 570         GtkWidget *menu;
 571
 572         switch (event->button)
 573                 {
 574                 case MOUSE_BUTTON_LEFT:
 575                         view_step_next(vw);
 576                         break;
 577                 case MOUSE_BUTTON_MIDDLE:
 578                         view_step_prev(vw);
 579                         break;
 580                 case MOUSE_BUTTON_RIGHT:
 581                         menu = view_popup_menu(vw);
 582                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 583                         break;
 584                 default:
 585                         break;
 586                 }
 587 }
 588
 589 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 590 {
 591         ViewWindow *vw = data;
 592
 593         if (event->state & GDK_CONTROL_MASK)
 594                 {
 595                 switch (event->direction)
 596                         {
 597                         case GDK_SCROLL_UP:
 598                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 599                                 break;
 600                         case GDK_SCROLL_DOWN:
 601                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 602                                 break;
 603                         default:
 604                                 break;
 605                         }
 606                 }
 607         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 608                 {
 609                 switch (event->direction)
 610                         {
 611                         case GDK_SCROLL_UP:
 612                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 613                                 break;
 614                         case GDK_SCROLL_DOWN:
 615                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 616                                 break;
 617                         case GDK_SCROLL_LEFT:
 618                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 619                                 break;
 620                         case GDK_SCROLL_RIGHT:
 621                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 622                                 break;
 623                         default:
 624                                 break;
 625                         }
 626                 }
 627         else
 628                 {
 629                 switch (event->direction)
 630                         {
 631                         case GDK_SCROLL_UP:
 632                                 view_step_prev(vw);
 633                                 break;
 634                         case GDK_SCROLL_DOWN:
 635                                 view_step_next(vw);
 636                                 break;
 637                         default:
 638                                 break;
 639                         }
 640                 }
 641 }
 642
 643 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 644 {
 645         image_set_button_func(imd, button_cb, vw);
 646         image_set_scroll_func(imd, scroll_cb, vw);
 647 }
 648
 649 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 650 {
 651         ViewWindow *vw = data;
 652
 653         vw->fs = NULL;
 654
 655         if (vw->ss) vw->ss->imd = vw->imd;
 656 }
 657
 658 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 659 {
 660         if (force_off && !vw->fs) return;
 661
 662         if (vw->fs)
 663                 {
 664                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 665                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 666
 667                 fullscreen_stop(vw->fs);
 668                 }
 669         else
 670                 {
 671                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 672
 673                 view_image_set_buttons(vw, vw->fs->imd);
 674                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 675                                  G_CALLBACK(view_window_key_press_cb), vw);
 676
 677                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 678
 679                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 680                         {
 681                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 682                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 683                         }
 684                 }
 685 }
 686
 687 static void view_overlay_toggle(ViewWindow *vw)
 688 {
 689         ImageWindow *imd;
 690
 691         imd = view_window_active_image(vw);
 692
 693         image_osd_toggle(imd);
 694 }
 695
 696 static void view_slideshow_next(ViewWindow *vw)
 697 {
 698         if (vw->ss) slideshow_next(vw->ss);
 699 }
 700
 701 static void view_slideshow_prev(ViewWindow *vw)
 702 {
 703         if (vw->ss) slideshow_prev(vw->ss);
 704 }
 705
 706 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 707 {
 708         ViewWindow *vw = data;
 709         GList *work;
 710         FileData *fd;
 711
 712         vw->ss = NULL;
 713
 714         work = vw->list;
 715         fd = image_get_fd(view_window_active_image(vw));
 716         while (work)
 717                 {
 718                 FileData *temp;
 719
 720                 temp = work->data;
 721                 if (fd == temp)
 722                         {
 723                         vw->list_pointer = work;
 724                         work = NULL;
 725                         }
 726                 else
 727                         {
 728                         work = work->next;
 729                         }
 730                 }
 731 }
 732
 733 static void view_slideshow_start(ViewWindow *vw)
 734 {
 735         if (!vw->ss)
 736                 {
 737                 CollectionData *cd;
 738                 CollectInfo *info;
 739
 740                 if (vw->list)
 741                         {
 742                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 743                                                                 filelist_copy(vw->list),
 744                                                                 view_slideshow_stop_func, vw);
 745                         vw->list_pointer = NULL;
 746                         return;
 747                         }
 748
 749                 cd = image_get_collection(view_window_active_image(vw), &info);
 750                 if (cd && info)
 751                         {
 752                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 753                                                                  view_slideshow_stop_func, vw, info);
 754                         }
 755                 }
 756 }
 757
 758 static void view_slideshow_stop(ViewWindow *vw)
 759 {
 760         if (vw->ss) slideshow_free(vw->ss);
 761 }
 762
 763 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 764 {
 765         ViewWindow *vw = data;
 766
 767         view_window_list = g_list_remove(view_window_list, vw);
 768
 769         view_slideshow_stop(vw);
 770         fullscreen_stop(vw->fs);
 771
 772         filelist_free(vw->list);
 773
 774         file_data_unregister_notify_func(view_window_notify_cb, vw);
 775
 776         g_free(vw);
 777 }
 778
 779 static void view_window_close(ViewWindow *vw)
 780 {
 781         view_slideshow_stop(vw);
 782         view_fullscreen_toggle(vw, TRUE);
 783         gtk_widget_destroy(vw->window);
 784 }
 785
 786 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 787 {
 788         ViewWindow *vw = data;
 789
 790         view_window_close(vw);
 791         return TRUE;
 792 }
 793
 794 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 795 {
 796         ViewWindow *vw;
 797         GtkAllocation req_size;
 798         GdkGeometry geometry;
 799         gint w, h;
 800
 801         if (!fd && !list && (!cd || !info)) return NULL;
 802
 803         vw = g_new0(ViewWindow, 1);
 804
 805         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 806
 807         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 808         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 809         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 810
 811         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 812         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 813
 814         vw->imd = image_new(FALSE);
 815         image_color_profile_set(vw->imd,
 816                                 options->color_profile.input_type,
 817                                 options->color_profile.use_image);
 818         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 819
 820         image_background_set_color_from_options(vw->imd, FALSE);
 821
 822         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 823
 824         image_auto_refresh_enable(vw->imd, TRUE);
 825         image_top_window_set_sync(vw->imd, TRUE);
 826
 827         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 828         gtk_widget_show(vw->imd->widget);
 829
 830         view_window_dnd_init(vw);
 831
 832         view_image_set_buttons(vw, vw->imd);
 833
 834         g_signal_connect(G_OBJECT(vw->window), "destroy",
 835                          G_CALLBACK(view_window_destroy_cb), vw);
 836         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 837                          G_CALLBACK(view_window_delete_cb), vw);
 838         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 839                          G_CALLBACK(view_window_key_press_cb), vw);
 840         if (cd && info)
 841                 {
 842                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 843                 if (options->image.enable_read_ahead)
 844                         {
 845                         CollectInfo * r_info = collection_next_by_info(cd, info);
 846                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 847                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 848                         }
 849                 }
 850         else if (list)
 851                 {
 852                 view_window_set_list(vw, list);
 853                 vw->list_pointer = vw->list;
 854                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 855
 856                 if (options->image.enable_read_ahead)
 857                         {
 858                         GList *work = vw->list->next;
 859                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 860                         }
 861                 }
 862         else
 863                 {
 864                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 865                 }
 866
 867         /* Wait until image is loaded otherwise size is not defined */
 868         int count;
 869         for (count = 10; count && !w && !h; count++)
 870                 {
 871                 image_get_image_size(vw->imd, &w, &h);
 872                 usleep(100000);
 873                 }
 874
 875         if (image_zoom_get(vw->imd) == 0.0)
 876                 {
 877                 image_get_image_size(vw->imd, &w, &h);
 878                 }
 879         else
 880                 {
 881                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 882                 }
 883         if (options->image.limit_window_size)
 884                 {
 885                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 886                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 887
 888                 if (w > mw) w = mw;
 889                 if (h > mh) h = mh;
 890                 }
 891
 892         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 893         req_size.x = req_size.y = 0;
 894         req_size.width = w;
 895         req_size.height = h;
 896         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 897
 898         gtk_widget_set_size_request(vw->imd->pr, w, h);
 899
 900         gtk_widget_show(vw->window);
 901
 902         view_window_list = g_list_append(view_window_list, vw);
 903
 904         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 905
 906         return vw;
 907 }
 908
 909 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 910 {
 911         CollectionData *cd = data;
 912
 913         collection_unref(cd);
 914 }
 915
 916 void view_window_new(FileData *fd)
 917 {
 918         GList *list;
 919
 920         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 921                 {
 922                 ViewWindow *vw;
 923                 CollectionData *cd;
 924                 CollectInfo *info;
 925
 926                 cd = collection_new(fd->path);
 927                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 928                         {
 929                         info = collection_get_first(cd);
 930                         }
 931                 else
 932                         {
 933                         collection_unref(cd);
 934                         cd = NULL;
 935                         info = NULL;
 936                         }
 937                 vw = real_view_window_new(NULL, NULL, cd, info);
 938                 if (vw && cd)
 939                         {
 940                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 941                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 942                         }
 943                 }
 944         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 945                 {
 946                 list = filelist_sort_path(list);
 947                 list = filelist_filter(list, FALSE);
 948                 real_view_window_new(NULL, list, NULL, NULL);
 949                 filelist_free(list);
 950                 }
 951         else
 952                 {
 953                 real_view_window_new(fd, NULL, NULL, NULL);
 954                 }
 955 }
 956
 957 void view_window_new_from_list(GList *list)
 958 {
 959         real_view_window_new(NULL, list, NULL, NULL);
 960 }
 961
 962 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 963 {
 964         real_view_window_new(NULL, NULL, cd, info);
 965 }
 966
 967 /*
 968  *-----------------------------------------------------------------------------
 969  * public
 970  *-----------------------------------------------------------------------------
 971  */
 972
 973 void view_window_colors_update(void)
 974 {
 975         GList *work;
 976
 977         work = view_window_list;
 978         while (work)
 979                 {
 980                 ViewWindow *vw = work->data;
 981                 work = work->next;
 982
 983                 image_background_set_color_from_options(vw->imd, !!vw->fs);
 984                 }
 985 }
 986
 987 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 988 {
 989         GList *work;
 990
 991         work = view_window_list;
 992         while (work)
 993                 {
 994                 ViewWindow *vw = work->data;
 995                 work = work->next;
 996
 997                 if (vw->imd == imd ||
 998                     (vw->fs && vw->fs->imd == imd))
 999                         {
1000                         if (vw->ss)
1001                                 {
1002                                 gint n;
1003                                 gint t;
1004
1005                                 n = g_list_length(vw->ss->list_done);
1006                                 t = n + g_list_length(vw->ss->list);
1007                                 if (n == 0) n = t;
1008                                 if (index) *index = n - 1;
1009                                 if (total) *total = t;
1010                                 }
1011                         else
1012                                 {
1013                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1014                                 if (total) *total = g_list_length(vw->list);
1015                                 }
1016                         return TRUE;
1017                         }
1018                 }
1019
1020         return FALSE;
1021 }
1022
1023 /*
1024  *-----------------------------------------------------------------------------
1025  * view window menu routines and callbacks
1026  *-----------------------------------------------------------------------------
1027  */
1028
1029 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1030 {
1031         ViewWindow *vw = data;
1032         CollectionData *cd;
1033         CollectInfo *info;
1034
1035         cd = image_get_collection(vw->imd, &info);
1036
1037         if (cd && info)
1038                 {
1039                 view_window_new_from_collection(cd, info);
1040                 }
1041         else
1042                 {
1043                 view_window_new(image_get_fd(vw->imd));
1044                 }
1045 }
1046
1047 static void view_edit_cb(GtkWidget *widget, gpointer data)
1048 {
1049         ViewWindow *vw;
1050         ImageWindow *imd;
1051         const gchar *key = data;
1052
1053         vw = submenu_item_get_data(widget);
1054         if (!vw) return;
1055
1056         if (!editor_window_flag_set(key))
1057                 {
1058                 view_fullscreen_toggle(vw, TRUE);
1059                 }
1060
1061         imd = view_window_active_image(vw);
1062         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1063 }
1064
1065 static void view_alter_cb(GtkWidget *widget, gpointer data)
1066 {
1067         ViewWindow *vw;
1068         AlterType type;
1069
1070         vw = submenu_item_get_data(widget);
1071         type = GPOINTER_TO_INT(data);
1072
1073         if (!vw) return;
1074         image_alter_orientation(vw->imd, type);
1075 }
1076
1077 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1078 {
1079         ViewWindow *vw = data;
1080         ImageWindow *imd;
1081
1082         imd = view_window_active_image(vw);
1083         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1084 }
1085
1086 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1087 {
1088         ViewWindow *vw = data;
1089
1090         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1091 }
1092
1093 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1094 {
1095         ViewWindow *vw = data;
1096
1097         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1098 }
1099
1100 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1101 {
1102         ViewWindow *vw = data;
1103
1104         image_zoom_set(view_window_active_image(vw), 1.0);
1105 }
1106
1107 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1108 {
1109         ViewWindow *vw = data;
1110
1111         image_zoom_set(view_window_active_image(vw), 0.0);
1112 }
1113
1114 static void view_copy_cb(GtkWidget *widget, gpointer data)
1115 {
1116         ViewWindow *vw = data;
1117         ImageWindow *imd;
1118
1119         imd = view_window_active_image(vw);
1120         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1121 }
1122
1123 static void view_move_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126         ImageWindow *imd;
1127
1128         imd = view_window_active_image(vw);
1129         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1130 }
1131
1132 static void view_rename_cb(GtkWidget *widget, gpointer data)
1133 {
1134         ViewWindow *vw = data;
1135         ImageWindow *imd;
1136
1137         imd = view_window_active_image(vw);
1138         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1139 }
1140
1141 static void view_delete_cb(GtkWidget *widget, gpointer data)
1142 {
1143         ViewWindow *vw = data;
1144         ImageWindow *imd;
1145
1146         imd = view_window_active_image(vw);
1147         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1148 }
1149
1150 static void view_copy_path_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_path_to_clipboard(image_get_fd(imd));
1157 }
1158
1159 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1160 {
1161         ViewWindow *vw = data;
1162
1163         view_fullscreen_toggle(vw, FALSE);
1164 }
1165
1166 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1167 {
1168         ViewWindow *vw = data;
1169
1170         view_slideshow_start(vw);
1171 }
1172
1173 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176
1177         view_slideshow_stop(vw);
1178 }
1179
1180 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1181 {
1182         ViewWindow *vw = data;
1183
1184         slideshow_pause_toggle(vw->ss);
1185 }
1186
1187 static void view_close_cb(GtkWidget *widget, gpointer data)
1188 {
1189         ViewWindow *vw = data;
1190
1191         view_window_close(vw);
1192 }
1193
1194 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1195 {
1196         LayoutWindow *nw;
1197
1198         nw = layout_new(NULL, NULL);
1199         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1200         layout_set_fd(nw, fd);
1201         return nw;
1202 }
1203
1204
1205 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1206 {
1207         ViewWindow *vw = data;
1208         LayoutWindow *lw;
1209         ImageWindow *imd;
1210
1211         imd = view_window_active_image(vw);
1212
1213         if (!imd || !imd->image_fd) return;
1214
1215         lw = layout_find_by_image_fd(imd);
1216         if (lw)
1217                 layout_set_fd(lw, imd->image_fd);
1218         else
1219                 view_new_layout_with_fd(imd->image_fd);
1220         view_window_close(vw);
1221 }
1222
1223 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1224 {
1225         GList *editmenu_fd_list = data;
1226
1227         filelist_free(editmenu_fd_list);
1228 }
1229
1230 static GList *view_window_get_fd_list(ViewWindow *vw)
1231 {
1232         GList *list = NULL;
1233         ImageWindow *imd = view_window_active_image(vw);
1234
1235         if (imd)
1236                 {
1237                 FileData *fd = image_get_fd(imd);
1238                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1239                 }
1240
1241         return list;
1242 }
1243
1244 static GtkWidget *view_popup_menu(ViewWindow *vw)
1245 {
1246         GtkWidget *menu;
1247         GtkWidget *item;
1248         GList *editmenu_fd_list;
1249
1250         menu = popup_menu_short_lived();
1251
1252
1253         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1254         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1255         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1256         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1257         menu_item_add_divider(menu);
1258
1259         editmenu_fd_list = view_window_get_fd_list(vw);
1260         g_signal_connect(G_OBJECT(menu), "destroy",
1261                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1262         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1263         menu_item_add_divider(item);
1264         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1265
1266         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1267
1268         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1269         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1270
1271         menu_item_add_divider(menu);
1272         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1273         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1274         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1275         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1276         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1277
1278         menu_item_add_divider(menu);
1279
1280         if (vw->ss)
1281                 {
1282                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1283                 if (slideshow_paused(vw->ss))
1284                         {
1285                         item = menu_item_add(menu, _("Continue slides_how"),
1286                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1287                         }
1288                 else
1289                         {
1290                         item = menu_item_add(menu, _("Pause slides_how"),
1291                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1292                         }
1293                 }
1294         else
1295                 {
1296                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1297                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1298                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1299                 gtk_widget_set_sensitive(item, FALSE);
1300                 }
1301
1302         if (vw->fs)
1303                 {
1304                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1305                 }
1306         else
1307                 {
1308                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1309                 }
1310
1311         menu_item_add_divider(menu);
1312         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1313
1314         return menu;
1315 }
1316
1317 /*
1318  *-------------------------------------------------------------------
1319  * dnd confirm dir
1320  *-------------------------------------------------------------------
1321  */
1322
1323 typedef struct {
1324         ViewWindow *vw;
1325         GList *list;
1326 } CViewConfirmD;
1327
1328 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1329 {
1330         /* do nothing */
1331 }
1332
1333 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1334 {
1335         GList *work;
1336
1337         view_window_set_list(vw, NULL);
1338
1339         work = list;
1340         while (work)
1341                 {
1342                 FileData *fd = work->data;
1343                 work = work->next;
1344
1345                 if (isdir(fd->path))
1346                         {
1347                         if (!skip)
1348                                 {
1349                                 GList *list = NULL;
1350
1351                                 if (recurse)
1352                                         {
1353                                         list = filelist_recursive(fd);
1354                                         }
1355                                 else
1356                                         { /*FIXME */
1357                                         filelist_read(fd, &list, NULL);
1358                                         list = filelist_sort_path(list);
1359                                         list = filelist_filter(list, FALSE);
1360                                         }
1361                                 if (list) vw->list = g_list_concat(vw->list, list);
1362                                 }
1363                         }
1364                 else
1365                         {
1366                         /* FIXME: no filtering here */
1367                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1368                         }
1369                 }
1370
1371         if (vw->list)
1372                 {
1373                 FileData *fd;
1374
1375                 vw->list_pointer = vw->list;
1376                 fd = vw->list->data;
1377                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1378
1379                 work = vw->list->next;
1380                 if (options->image.enable_read_ahead && work)
1381                         {
1382                         fd = work->data;
1383                         image_prebuffer_set(vw->imd, fd);
1384                         }
1385                 }
1386         else
1387                 {
1388                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1389                 }
1390 }
1391
1392 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1393 {
1394         CViewConfirmD *d = data;
1395         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1396 }
1397
1398 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1399 {
1400         CViewConfirmD *d = data;
1401         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1402 }
1403
1404 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1405 {
1406         CViewConfirmD *d = data;
1407         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1408 }
1409
1410 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1411 {
1412         CViewConfirmD *d = data;
1413         filelist_free(d->list);
1414         g_free(d);
1415 }
1416
1417 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1418 {
1419         GtkWidget *menu;
1420         CViewConfirmD *d;
1421
1422         d = g_new(CViewConfirmD, 1);
1423         d->vw = vw;
1424         d->list = list;
1425
1426         menu = popup_menu_short_lived();
1427         g_signal_connect(G_OBJECT(menu), "destroy",
1428                          G_CALLBACK(view_dir_list_destroy), d);
1429
1430         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1431         menu_item_add_divider(menu);
1432         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1433         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1434         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1435         menu_item_add_divider(menu);
1436         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1437
1438         return menu;
1439 }
1440
1441 /*
1442  *-----------------------------------------------------------------------------
1443  * image drag and drop routines
1444  *-----------------------------------------------------------------------------
1445  */
1446
1447 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1448                                      gint x, gint y,
1449                                      GtkSelectionData *selection_data, guint info,
1450                                      guint time, gpointer data)
1451 {
1452         ViewWindow *vw = data;
1453         ImageWindow *imd;
1454
1455         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1456
1457         imd = vw->imd;
1458
1459         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1460                 {
1461                 CollectionData *source;
1462                 GList *list;
1463                 GList *info_list;
1464
1465                 if (info == TARGET_URI_LIST)
1466                         {
1467                         GList *work;
1468
1469                         list = uri_filelist_from_gtk_selection_data(selection_data);
1470
1471                         work = list;
1472                         while (work)
1473                                 {
1474                                 FileData *fd = work->data;
1475                                 if (isdir(fd->path))
1476                                         {
1477                                         GtkWidget *menu;
1478                                         menu = view_confirm_dir_list(vw, list);
1479                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1480                                         return;
1481                                         }
1482                                 work = work->next;
1483                                 }
1484
1485                         list = filelist_filter(list, FALSE);
1486
1487                         source = NULL;
1488                         info_list = NULL;
1489                         }
1490                 else
1491                         {
1492                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1493                         }
1494
1495                 if (list)
1496                         {
1497                         FileData *fd;
1498
1499                         fd = list->data;
1500                         if (isfile(fd->path))
1501                                 {
1502                                 view_slideshow_stop(vw);
1503                                 view_window_set_list(vw, NULL);
1504
1505                                 if (source && info_list)
1506                                         {
1507                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1508                                         }
1509                                 else
1510                                         {
1511                                         if (list->next)
1512                                                 {
1513                                                 vw->list = list;
1514                                                 list = NULL;
1515
1516                                                 vw->list_pointer = vw->list;
1517                                                 }
1518                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1519                                         }
1520                                 }
1521                         }
1522                 filelist_free(list);
1523                 g_list_free(info_list);
1524                 }
1525 }
1526
1527 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1528                                      GtkSelectionData *selection_data, guint info,
1529                                      guint time, gpointer data)
1530 {
1531         ViewWindow *vw = data;
1532         FileData *fd;
1533
1534         fd = image_get_fd(vw->imd);
1535
1536         if (fd)
1537                 {
1538                 GList *list;
1539
1540                 list = g_list_append(NULL, fd);
1541                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1542                 g_list_free(list);
1543                 }
1544         else
1545                 {
1546                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1547                                        8, NULL, 0);
1548                 }
1549 }
1550
1551 static void view_window_dnd_init(ViewWindow *vw)
1552 {
1553         ImageWindow *imd;
1554
1555         imd = vw->imd;
1556
1557         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1558                             dnd_file_drag_types, dnd_file_drag_types_count,
1559                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1560         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1561                          G_CALLBACK(view_window_set_dnd_data), vw);
1562
1563         gtk_drag_dest_set(imd->pr,
1564                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1565                           dnd_file_drop_types, dnd_file_drop_types_count,
1566                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1567         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1568                          G_CALLBACK(view_window_get_dnd_data), vw);
1569 }
1570
1571 /*
1572  *-----------------------------------------------------------------------------
1573  * maintenance (for rename, move, remove)
1574  *-----------------------------------------------------------------------------
1575  */
1576
1577 static void view_real_removed(ViewWindow *vw, FileData *fd)
1578 {
1579         ImageWindow *imd;
1580         FileData *image_fd;
1581
1582         imd = view_window_active_image(vw);
1583         image_fd = image_get_fd(imd);
1584
1585         if (image_fd && image_fd == fd)
1586                 {
1587                 if (vw->list)
1588                         {
1589                         view_list_step(vw, TRUE);
1590                         if (image_get_fd(imd) == image_fd)
1591                                 {
1592                                 view_list_step(vw, FALSE);
1593                                 }
1594                         }
1595                 else if (view_window_contains_collection(vw))
1596                         {
1597                         view_collection_step(vw, TRUE);
1598                         if (image_get_fd(imd) == image_fd)
1599                                 {
1600                                 view_collection_step(vw, FALSE);
1601                                 }
1602                         }
1603                 if (image_get_fd(imd) == image_fd)
1604                         {
1605                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1606                         }
1607                 }
1608
1609         if (vw->list)
1610                 {
1611                 GList *work;
1612                 GList *old;
1613
1614                 old = vw->list_pointer;
1615
1616                 work = vw->list;
1617                 while (work)
1618                         {
1619                         FileData *chk_fd;
1620                         GList *chk_link;
1621
1622                         chk_fd = work->data;
1623                         chk_link = work;
1624                         work = work->next;
1625
1626                         if (chk_fd == fd)
1627                                 {
1628                                 if (vw->list_pointer == chk_link)
1629                                         {
1630                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1631                                         }
1632                                 vw->list = g_list_remove(vw->list, chk_fd);
1633                                 file_data_unref(chk_fd);
1634                                 }
1635                         }
1636
1637                 /* handles stepping correctly when same image is in the list more than once */
1638                 if (old && old != vw->list_pointer)
1639                         {
1640                         FileData *fd;
1641
1642                         if (vw->list_pointer)
1643                                 {
1644                                 fd = vw->list_pointer->data;
1645                                 }
1646                         else
1647                                 {
1648                                 fd = NULL;
1649                                 }
1650
1651                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1652                         }
1653                 }
1654
1655         image_osd_update(imd);
1656 }
1657
1658 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1659 {
1660         ViewWindow *vw = data;
1661
1662         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1663
1664         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1665
1666         switch (fd->change->type)
1667                 {
1668                 case FILEDATA_CHANGE_MOVE:
1669                 case FILEDATA_CHANGE_RENAME:
1670                         break;
1671                 case FILEDATA_CHANGE_COPY:
1672                         break;
1673                 case FILEDATA_CHANGE_DELETE:
1674                         view_real_removed(vw, fd);
1675                         break;
1676                 case FILEDATA_CHANGE_UNSPECIFIED:
1677                 case FILEDATA_CHANGE_WRITE_METADATA:
1678                         break;
1679                 }
1680 }
1681 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */