src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2009 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "layout.h"
  26 #include "layout_image.h"
  27 #include "menu.h"
  28 #include "misc.h"
  29 #include "pixbuf_util.h"
  30 #include "pixbuf-renderer.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "ui_fileops.h"
  34 #include "ui_menu.h"
  35 #include "uri_utils.h"
  36 #include "utilops.h"
  37 #include "window.h"
  38
  39 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  40
  41
  42 typedef struct _ViewWindow ViewWindow;
  43 struct _ViewWindow
  44 {
  45         GtkWidget *window;
  46         ImageWindow *imd;
  47         FullScreenData *fs;
  48         SlideShowData *ss;
  49
  50         GList *list;
  51         GList *list_pointer;
  52 };
  53
  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, gint 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 gint 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, gint 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, gint 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, gint 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                 gint 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, gint 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, gint 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(imd->pr->window, x, y);
 326         popup_menu_position_clamp(menu, x, y, 0);
 327 }
 328
 329 static gint 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_Left: case GDK_KP_Left:
 344                         x -= 1;
 345                         break;
 346                 case GDK_Right: case GDK_KP_Right:
 347                         x += 1;
 348                         break;
 349                 case GDK_Up: case GDK_KP_Up:
 350                         y -= 1;
 351                         break;
 352                 case GDK_Down: case GDK_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                 gint n = -1;
 377
 378                 stop_signal = TRUE;
 379                 switch (event->keyval)
 380                         {
 381                         case '1':
 382                                 n = 0;
 383                                 break;
 384                         case '2':
 385                                 n = 1;
 386                                 break;
 387                         case '3':
 388                                 n = 2;
 389                                 break;
 390                         case '4':
 391                                 n = 3;
 392                                 break;
 393                         case '5':
 394                                 n = 4;
 395                                 break;
 396                         case '6':
 397                                 n = 5;
 398                                 break;
 399                         case '7':
 400                                 n = 6;
 401                                 break;
 402                         case '8':
 403                                 n = 7;
 404                                 break;
 405                         case '9':
 406                                 n = 8;
 407                                 break;
 408                         case '0':
 409                                 n = 9;
 410                                 break;
 411                         case 'C': case 'c':
 412                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 413                                 break;
 414                         case 'M': case 'm':
 415                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 416                                 break;
 417                         case 'R': case 'r':
 418                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 419                                 break;
 420                         case 'D': case 'd':
 421                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 422                                 break;
 423                         case 'W': case 'w':
 424                                 view_window_close(vw);
 425                                 break;
 426                         default:
 427                                 stop_signal = FALSE;
 428                                 break;
 429                         }
 430 #if 0
 431                 if (n != -1)
 432                         {
 433                         if (!editor_window_flag_set(n))
 434                                 {
 435                                 view_fullscreen_toggle(vw, TRUE);
 436                                 }
 437                         imd = view_window_active_image(vw);
 438                         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
 439                         }
 440 #endif
 441                 }
 442         else if (event->state & GDK_SHIFT_MASK)
 443                 {
 444                 stop_signal = TRUE;
 445                 switch (event->keyval)
 446                         {
 447                         case 'R': case 'r':
 448                                 image_alter(imd, ALTER_ROTATE_180);
 449                                 break;
 450                         case 'M': case 'm':
 451                                 image_alter(imd, ALTER_MIRROR);
 452                                 break;
 453                         case 'F': case 'f':
 454                                 image_alter(imd, ALTER_FLIP);
 455                                 break;
 456                         case 'G': case 'g':
 457                                 image_alter(imd, ALTER_DESATURATE);
 458                                 break;
 459                         case 'P': case 'p':
 460                                 {
 461                                 FileData *fd;
 462
 463                                 view_fullscreen_toggle(vw, TRUE);
 464                                 imd = view_window_active_image(vw);
 465                                 fd = image_get_fd(imd);
 466                                 print_window_new(fd,
 467                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 468                                                  filelist_copy(vw->list), vw->window);
 469                                 }
 470                                 break;
 471                         default:
 472                                 stop_signal = FALSE;
 473                                 break;
 474                         }
 475                 }
 476         else
 477                 {
 478                 stop_signal = TRUE;
 479                 switch (event->keyval)
 480                         {
 481                         case GDK_Page_Up: case GDK_KP_Page_Up:
 482                         case GDK_BackSpace:
 483                         case 'B': case 'b':
 484                                 view_step_prev(vw);
 485                                 break;
 486                         case GDK_Page_Down: case GDK_KP_Page_Down:
 487                         case GDK_space:
 488                         case 'N': case 'n':
 489                                 view_step_next(vw);
 490                                 break;
 491                         case GDK_Home: case GDK_KP_Home:
 492                                 view_step_to_end(vw, FALSE);
 493                                 break;
 494                         case GDK_End: case GDK_KP_End:
 495                                 view_step_to_end(vw, TRUE);
 496                                 break;
 497                         case '+': case '=': case GDK_KP_Add:
 498                                 image_zoom_adjust(imd, get_zoom_increment());
 499                                 break;
 500                         case '-': case GDK_KP_Subtract:
 501                                 image_zoom_adjust(imd, -get_zoom_increment());
 502                                 break;
 503                         case 'X': case 'x': case GDK_KP_Multiply:
 504                                 image_zoom_set(imd, 0.0);
 505                                 break;
 506                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 507                                 image_zoom_set(imd, 1.0);
 508                                 break;
 509                         case '2':
 510                                 image_zoom_set(imd, 2.0);
 511                                 break;
 512                         case '3':
 513                                 image_zoom_set(imd, 3.0);
 514                                 break;
 515                         case '4':
 516                                 image_zoom_set(imd, 4.0);
 517                                 break;
 518                         case '7':
 519                                 image_zoom_set(imd, -4.0);
 520                                 break;
 521                         case '8':
 522                                 image_zoom_set(imd, -3.0);
 523                                 break;
 524                         case '9':
 525                                 image_zoom_set(imd, -2.0);
 526                                 break;
 527                         case 'W': case 'w':
 528                                 image_zoom_set_fill_geometry(imd, FALSE);
 529                                 break;
 530                         case 'H': case 'h':
 531                                 image_zoom_set_fill_geometry(imd, TRUE);
 532                                 break;
 533                         case 'R': case 'r':
 534                                 image_reload(imd);
 535                                 break;
 536                         case 'S': case 's':
 537                                 if (vw->ss)
 538                                         {
 539                                         view_slideshow_stop(vw);
 540                                         }
 541                                 else
 542                                         {
 543                                         view_slideshow_start(vw);
 544                                         }
 545                                 break;
 546                         case 'P': case 'p':
 547                                 slideshow_pause_toggle(vw->ss);
 548                                 break;
 549                         case 'F': case 'f':
 550                         case 'V': case 'v':
 551                         case GDK_F11:
 552                                 view_fullscreen_toggle(vw, FALSE);
 553                                 break;
 554                         case 'I': case 'i':
 555                                 view_overlay_toggle(vw);
 556                                 break;
 557                         case ']':
 558                                 image_alter(imd, ALTER_ROTATE_90);
 559                                 break;
 560                         case '[':
 561                                 image_alter(imd, ALTER_ROTATE_90_CC);
 562                                 break;
 563                         case GDK_Delete: case GDK_KP_Delete:
 564                                 if (options->file_ops.enable_delete_key)
 565                                         {
 566                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 567                                         }
 568                                 break;
 569                         case GDK_Escape:
 570                                 if (vw->fs)
 571                                         {
 572                                         view_fullscreen_toggle(vw, TRUE);
 573                                         }
 574                                 else
 575                                         {
 576                                         view_window_close(vw);
 577                                         }
 578                                 break;
 579                         case GDK_Menu:
 580                         case GDK_F10:
 581                                 menu = view_popup_menu(vw);
 582                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 583                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 584                                 break;
 585                         default:
 586                                 stop_signal = FALSE;
 587                                 break;
 588                         }
 589                 }
 590
 591         return stop_signal;
 592 }
 593
 594 /*
 595  *-----------------------------------------------------------------------------
 596  * view window main routines
 597  *-----------------------------------------------------------------------------
 598  */
 599 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 600 {
 601         ViewWindow *vw = data;
 602         GtkWidget *menu;
 603
 604         switch (event->button)
 605                 {
 606                 case MOUSE_BUTTON_LEFT:
 607                         view_step_next(vw);
 608                         break;
 609                 case MOUSE_BUTTON_MIDDLE:
 610                         view_step_prev(vw);
 611                         break;
 612                 case MOUSE_BUTTON_RIGHT:
 613                         menu = view_popup_menu(vw);
 614                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 615                         break;
 616                 default:
 617                         break;
 618                 }
 619 }
 620
 621 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 622 {
 623         ViewWindow *vw = data;
 624
 625         if (event->state & GDK_CONTROL_MASK)
 626                 {
 627                 switch (event->direction)
 628                         {
 629                         case GDK_SCROLL_UP:
 630                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 631                                 break;
 632                         case GDK_SCROLL_DOWN:
 633                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 634                                 break;
 635                         default:
 636                                 break;
 637                         }
 638                 }
 639         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 640                 {
 641                 switch (event->direction)
 642                         {
 643                         case GDK_SCROLL_UP:
 644                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 645                                 break;
 646                         case GDK_SCROLL_DOWN:
 647                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 648                                 break;
 649                         case GDK_SCROLL_LEFT:
 650                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 651                                 break;
 652                         case GDK_SCROLL_RIGHT:
 653                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 654                                 break;
 655                         default:
 656                                 break;
 657                         }
 658                 }
 659         else
 660                 {
 661                 switch (event->direction)
 662                         {
 663                         case GDK_SCROLL_UP:
 664                                 view_step_prev(vw);
 665                                 break;
 666                         case GDK_SCROLL_DOWN:
 667                                 view_step_next(vw);
 668                                 break;
 669                         default:
 670                                 break;
 671                         }
 672                 }
 673 }
 674
 675 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 676 {
 677         image_set_button_func(imd, button_cb, vw);
 678         image_set_scroll_func(imd, scroll_cb, vw);
 679 }
 680
 681 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 682 {
 683         ViewWindow *vw = data;
 684
 685         vw->fs = NULL;
 686
 687         if (vw->ss) vw->ss->imd = vw->imd;
 688 }
 689
 690 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 691 {
 692         if (force_off && !vw->fs) return;
 693
 694         if (vw->fs)
 695                 {
 696                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 697                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 698
 699                 fullscreen_stop(vw->fs);
 700                 }
 701         else
 702                 {
 703                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 704
 705                 view_image_set_buttons(vw, vw->fs->imd);
 706                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 707                                  G_CALLBACK(view_window_key_press_cb), vw);
 708
 709                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 710
 711                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 712                         {
 713                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 714                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 715                         }
 716                 }
 717 }
 718
 719 static void view_overlay_toggle(ViewWindow *vw)
 720 {
 721         ImageWindow *imd;
 722
 723         imd = view_window_active_image(vw);
 724
 725         image_osd_toggle(imd);
 726 }
 727
 728 static void view_slideshow_next(ViewWindow *vw)
 729 {
 730         if (vw->ss) slideshow_next(vw->ss);
 731 }
 732
 733 static void view_slideshow_prev(ViewWindow *vw)
 734 {
 735         if (vw->ss) slideshow_prev(vw->ss);
 736 }
 737
 738 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 739 {
 740         ViewWindow *vw = data;
 741         GList *work;
 742         FileData *fd;
 743
 744         vw->ss = NULL;
 745
 746         work = vw->list;
 747         fd = image_get_fd(view_window_active_image(vw));
 748         while (work)
 749                 {
 750                 FileData *temp;
 751
 752                 temp = work->data;
 753                 if (fd == temp)
 754                         {
 755                         vw->list_pointer = work;
 756                         work = NULL;
 757                         }
 758                 else
 759                         {
 760                         work = work->next;
 761                         }
 762                 }
 763 }
 764
 765 static void view_slideshow_start(ViewWindow *vw)
 766 {
 767         if (!vw->ss)
 768                 {
 769                 CollectionData *cd;
 770                 CollectInfo *info;
 771
 772                 if (vw->list)
 773                         {
 774                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 775                                                                 filelist_copy(vw->list),
 776                                                                 view_slideshow_stop_func, vw);
 777                         vw->list_pointer = NULL;
 778                         return;
 779                         }
 780
 781                 cd = image_get_collection(view_window_active_image(vw), &info);
 782                 if (cd && info)
 783                         {
 784                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 785                                                                  view_slideshow_stop_func, vw, info);
 786                         }
 787                 }
 788 }
 789
 790 static void view_slideshow_stop(ViewWindow *vw)
 791 {
 792         if (vw->ss) slideshow_free(vw->ss);
 793 }
 794
 795 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 796 {
 797         ViewWindow *vw = data;
 798
 799         view_window_list = g_list_remove(view_window_list, vw);
 800
 801         view_slideshow_stop(vw);
 802         fullscreen_stop(vw->fs);
 803
 804         filelist_free(vw->list);
 805
 806         file_data_unregister_notify_func(view_window_notify_cb, vw);
 807
 808         g_free(vw);
 809 }
 810
 811 static void view_window_close(ViewWindow *vw)
 812 {
 813         view_slideshow_stop(vw);
 814         view_fullscreen_toggle(vw, TRUE);
 815         gtk_widget_destroy(vw->window);
 816 }
 817
 818 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 819 {
 820         ViewWindow *vw = data;
 821
 822         view_window_close(vw);
 823         return TRUE;
 824 }
 825
 826 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 827 {
 828         ViewWindow *vw;
 829         GtkAllocation req_size;
 830         GdkGeometry geometry;
 831         gint w, h;
 832
 833         if (!fd && !list && (!cd || !info)) return NULL;
 834
 835         vw = g_new0(ViewWindow, 1);
 836
 837         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 838
 839         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 840         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 841         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 842
 843         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 844         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 845
 846         vw->imd = image_new(FALSE);
 847
 848         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 849
 850         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 851
 852         image_auto_refresh_enable(vw->imd, TRUE);
 853         image_top_window_set_sync(vw->imd, TRUE);
 854
 855         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 856         gtk_widget_show(vw->imd->widget);
 857
 858         view_window_dnd_init(vw);
 859
 860         view_image_set_buttons(vw, vw->imd);
 861
 862         g_signal_connect(G_OBJECT(vw->window), "destroy",
 863                          G_CALLBACK(view_window_destroy_cb), vw);
 864         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 865                          G_CALLBACK(view_window_delete_cb), vw);
 866         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 867                          G_CALLBACK(view_window_key_press_cb), vw);
 868         if (cd && info)
 869                 {
 870                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 871                 if (options->image.enable_read_ahead)
 872                         {
 873                         CollectInfo * r_info = collection_next_by_info(cd, info);
 874                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 875                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 876                         }
 877                 }
 878         else if (list)
 879                 {
 880                 view_window_set_list(vw, list);
 881                 vw->list_pointer = vw->list;
 882                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 883
 884                 if (options->image.enable_read_ahead)
 885                         {
 886                         GList *work = vw->list->next;
 887                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 888                         }
 889                 }
 890         else
 891                 {
 892                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 893                 }
 894
 895         if (image_zoom_get(vw->imd) == 0.0)
 896                 {
 897                 image_get_image_size(vw->imd, &w, &h);
 898                 }
 899         else
 900                 {
 901                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 902                 }
 903         if (options->image.limit_window_size)
 904                 {
 905                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 906                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 907
 908                 if (w > mw) w = mw;
 909                 if (h > mh) h = mh;
 910                 }
 911
 912         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 913         req_size.x = req_size.y = 0;
 914         req_size.width = w;
 915         req_size.height = h;
 916         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 917
 918         gtk_widget_set_size_request(vw->imd->pr, w, h);
 919
 920         gtk_widget_show(vw->window);
 921
 922         view_window_list = g_list_append(view_window_list, vw);
 923
 924         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 925
 926         return vw;
 927 }
 928
 929 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 930 {
 931         CollectionData *cd = data;
 932
 933         collection_unref(cd);
 934 }
 935
 936 void view_window_new(FileData *fd)
 937 {
 938         GList *list;
 939
 940         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 941                 {
 942                 ViewWindow *vw;
 943                 CollectionData *cd;
 944                 CollectInfo *info;
 945
 946                 cd = collection_new(fd->path);
 947                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 948                         {
 949                         info = collection_get_first(cd);
 950                         }
 951                 else
 952                         {
 953                         collection_unref(cd);
 954                         cd = NULL;
 955                         info = NULL;
 956                         }
 957                 vw = real_view_window_new(NULL, NULL, cd, info);
 958                 if (vw && cd)
 959                         {
 960                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 961                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 962                         }
 963                 }
 964         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 965                 {
 966                 list = filelist_sort_path(list);
 967                 list = filelist_filter(list, FALSE);
 968                 real_view_window_new(NULL, list, NULL, NULL);
 969                 filelist_free(list);
 970                 }
 971         else
 972                 {
 973                 real_view_window_new(fd, NULL, NULL, NULL);
 974                 }
 975 }
 976
 977 void view_window_new_from_list(GList *list)
 978 {
 979         real_view_window_new(NULL, list, NULL, NULL);
 980 }
 981
 982 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 983 {
 984         real_view_window_new(NULL, NULL, cd, info);
 985 }
 986
 987 /*
 988  *-----------------------------------------------------------------------------
 989  * public
 990  *-----------------------------------------------------------------------------
 991  */
 992
 993 void view_window_colors_update(void)
 994 {
 995         GList *work;
 996
 997         work = view_window_list;
 998         while (work)
 999                 {
1000                 ViewWindow *vw = work->data;
1001                 work = work->next;
1002
1003                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1004                 }
1005 }
1006
1007 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1008 {
1009         GList *work;
1010
1011         work = view_window_list;
1012         while (work)
1013                 {
1014                 ViewWindow *vw = work->data;
1015                 work = work->next;
1016
1017                 if (vw->imd == imd ||
1018                     (vw->fs && vw->fs->imd == imd))
1019                         {
1020                         if (vw->ss)
1021                                 {
1022                                 gint n;
1023                                 gint t;
1024
1025                                 n = g_list_length(vw->ss->list_done);
1026                                 t = n + g_list_length(vw->ss->list);
1027                                 if (n == 0) n = t;
1028                                 if (index) *index = n - 1;
1029                                 if (total) *total = t;
1030                                 }
1031                         else
1032                                 {
1033                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1034                                 if (total) *total = g_list_length(vw->list);
1035                                 }
1036                         return TRUE;
1037                         }
1038                 }
1039
1040         return FALSE;
1041 }
1042
1043 /*
1044  *-----------------------------------------------------------------------------
1045  * view window menu routines and callbacks
1046  *-----------------------------------------------------------------------------
1047  */
1048
1049 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1050 {
1051         ViewWindow *vw = data;
1052         CollectionData *cd;
1053         CollectInfo *info;
1054
1055         cd = image_get_collection(vw->imd, &info);
1056
1057         if (cd && info)
1058                 {
1059                 view_window_new_from_collection(cd, info);
1060                 }
1061         else
1062                 {
1063                 view_window_new(image_get_fd(vw->imd));
1064                 }
1065 }
1066
1067 static void view_edit_cb(GtkWidget *widget, gpointer data)
1068 {
1069         ViewWindow *vw;
1070         ImageWindow *imd;
1071         const gchar *key = data;
1072
1073         vw = submenu_item_get_data(widget);
1074         if (!vw) return;
1075
1076         if (!editor_window_flag_set(key))
1077                 {
1078                 view_fullscreen_toggle(vw, TRUE);
1079                 }
1080
1081         imd = view_window_active_image(vw);
1082         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1083 }
1084
1085 static void view_alter_cb(GtkWidget *widget, gpointer data)
1086 {
1087         ViewWindow *vw;
1088         AlterType type;
1089
1090         vw = submenu_item_get_data(widget);
1091         type = GPOINTER_TO_INT(data);
1092
1093         if (!vw) return;
1094         image_alter(vw->imd, type);
1095 }
1096
1097 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1098 {
1099         ViewWindow *vw = data;
1100         ImageWindow *imd;
1101
1102         imd = view_window_active_image(vw);
1103         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1104 }
1105
1106 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1107 {
1108         ViewWindow *vw = data;
1109
1110         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1111 }
1112
1113 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1114 {
1115         ViewWindow *vw = data;
1116
1117         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1118 }
1119
1120 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1121 {
1122         ViewWindow *vw = data;
1123
1124         image_zoom_set(view_window_active_image(vw), 1.0);
1125 }
1126
1127 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1128 {
1129         ViewWindow *vw = data;
1130
1131         image_zoom_set(view_window_active_image(vw), 0.0);
1132 }
1133
1134 static void view_copy_cb(GtkWidget *widget, gpointer data)
1135 {
1136         ViewWindow *vw = data;
1137         ImageWindow *imd;
1138
1139         imd = view_window_active_image(vw);
1140         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1141 }
1142
1143 static void view_move_cb(GtkWidget *widget, gpointer data)
1144 {
1145         ViewWindow *vw = data;
1146         ImageWindow *imd;
1147
1148         imd = view_window_active_image(vw);
1149         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1150 }
1151
1152 static void view_rename_cb(GtkWidget *widget, gpointer data)
1153 {
1154         ViewWindow *vw = data;
1155         ImageWindow *imd;
1156
1157         imd = view_window_active_image(vw);
1158         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1159 }
1160
1161 static void view_delete_cb(GtkWidget *widget, gpointer data)
1162 {
1163         ViewWindow *vw = data;
1164         ImageWindow *imd;
1165
1166         imd = view_window_active_image(vw);
1167         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1168 }
1169
1170 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1171 {
1172         ViewWindow *vw = data;
1173         ImageWindow *imd;
1174
1175         imd = view_window_active_image(vw);
1176         file_util_copy_path_to_clipboard(image_get_fd(imd));
1177 }
1178
1179 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1180 {
1181         ViewWindow *vw = data;
1182
1183         view_fullscreen_toggle(vw, FALSE);
1184 }
1185
1186 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1187 {
1188         ViewWindow *vw = data;
1189
1190         view_slideshow_start(vw);
1191 }
1192
1193 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1194 {
1195         ViewWindow *vw = data;
1196
1197         view_slideshow_stop(vw);
1198 }
1199
1200 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1201 {
1202         ViewWindow *vw = data;
1203
1204         slideshow_pause_toggle(vw->ss);
1205 }
1206
1207 static void view_close_cb(GtkWidget *widget, gpointer data)
1208 {
1209         ViewWindow *vw = data;
1210
1211         view_window_close(vw);
1212 }
1213
1214 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1215 {
1216         LayoutWindow *nw;
1217
1218         nw = layout_new(NULL, NULL);
1219         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1220         layout_set_fd(nw, fd);
1221         return nw;
1222 }
1223
1224
1225 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1226 {
1227         ViewWindow *vw = data;
1228         LayoutWindow *lw;
1229         ImageWindow *imd;
1230
1231         imd = view_window_active_image(vw);
1232
1233         if (!imd || !imd->image_fd) return;
1234
1235         lw = layout_find_by_image_fd(imd);
1236         if (lw)
1237                 layout_set_fd(lw, imd->image_fd);
1238         else
1239                 view_new_layout_with_fd(imd->image_fd);
1240         view_window_close(vw);
1241 }
1242
1243 static GtkWidget *view_popup_menu(ViewWindow *vw)
1244 {
1245         GtkWidget *menu;
1246         GtkWidget *item;
1247
1248         menu = popup_menu_short_lived();
1249
1250         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1251         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1252         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1253         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1254         menu_item_add_divider(menu);
1255
1256         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1257         menu_item_add_divider(item);
1258         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1259
1260         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1261
1262         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1263         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1264
1265         menu_item_add_divider(menu);
1266         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1267         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1268         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1269         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1270         if (options->show_copy_path)
1271                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1272
1273         menu_item_add_divider(menu);
1274
1275         if (vw->ss)
1276                 {
1277                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1278                 if (slideshow_paused(vw->ss))
1279                         {
1280                         item = menu_item_add(menu, _("Continue slides_how"),
1281                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1282                         }
1283                 else
1284                         {
1285                         item = menu_item_add(menu, _("Pause slides_how"),
1286                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1287                         }
1288                 }
1289         else
1290                 {
1291                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1292                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1293                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1294                 gtk_widget_set_sensitive(item, FALSE);
1295                 }
1296
1297         if (vw->fs)
1298                 {
1299                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1300                 }
1301         else
1302                 {
1303                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1304                 }
1305
1306         menu_item_add_divider(menu);
1307         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1308
1309         return menu;
1310 }
1311
1312 /*
1313  *-------------------------------------------------------------------
1314  * dnd confirm dir
1315  *-------------------------------------------------------------------
1316  */
1317
1318 typedef struct {
1319         ViewWindow *vw;
1320         GList *list;
1321 } CViewConfirmD;
1322
1323 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1324 {
1325         /* do nothing */
1326 }
1327
1328 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1329 {
1330         GList *work;
1331
1332         view_window_set_list(vw, NULL);
1333
1334         work = list;
1335         while (work)
1336                 {
1337                 FileData *fd = work->data;
1338                 work = work->next;
1339
1340                 if (isdir(fd->path))
1341                         {
1342                         if (!skip)
1343                                 {
1344                                 GList *list = NULL;
1345
1346                                 if (recurse)
1347                                         {
1348                                         list = filelist_recursive(fd);
1349                                         }
1350                                 else
1351                                         { /*FIXME */
1352                                         filelist_read(fd, &list, NULL);
1353                                         list = filelist_sort_path(list);
1354                                         list = filelist_filter(list, FALSE);
1355                                         }
1356                                 if (list) vw->list = g_list_concat(vw->list, list);
1357                                 }
1358                         }
1359                 else
1360                         {
1361                         /* FIXME: no filtering here */
1362                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1363                         }
1364                 }
1365
1366         if (vw->list)
1367                 {
1368                 FileData *fd;
1369
1370                 vw->list_pointer = vw->list;
1371                 fd = vw->list->data;
1372                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1373
1374                 work = vw->list->next;
1375                 if (options->image.enable_read_ahead && work)
1376                         {
1377                         fd = work->data;
1378                         image_prebuffer_set(vw->imd, fd);
1379                         }
1380                 }
1381         else
1382                 {
1383                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1384                 }
1385 }
1386
1387 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1388 {
1389         CViewConfirmD *d = data;
1390         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1391 }
1392
1393 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1394 {
1395         CViewConfirmD *d = data;
1396         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1397 }
1398
1399 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1400 {
1401         CViewConfirmD *d = data;
1402         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1403 }
1404
1405 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1406 {
1407         CViewConfirmD *d = data;
1408         filelist_free(d->list);
1409         g_free(d);
1410 }
1411
1412 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1413 {
1414         GtkWidget *menu;
1415         CViewConfirmD *d;
1416
1417         d = g_new(CViewConfirmD, 1);
1418         d->vw = vw;
1419         d->list = list;
1420
1421         menu = popup_menu_short_lived();
1422         g_signal_connect(G_OBJECT(menu), "destroy",
1423                          G_CALLBACK(view_dir_list_destroy), d);
1424
1425         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1426         menu_item_add_divider(menu);
1427         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1428         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1429         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1430         menu_item_add_divider(menu);
1431         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1432
1433         return menu;
1434 }
1435
1436 /*
1437  *-----------------------------------------------------------------------------
1438  * image drag and drop routines
1439  *-----------------------------------------------------------------------------
1440  */
1441
1442 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1443                                      gint x, gint y,
1444                                      GtkSelectionData *selection_data, guint info,
1445                                      guint time, gpointer data)
1446 {
1447         ViewWindow *vw = data;
1448         ImageWindow *imd;
1449
1450         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1451
1452         imd = vw->imd;
1453
1454         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1455                 {
1456                 CollectionData *source;
1457                 GList *list;
1458                 GList *info_list;
1459
1460                 if (info == TARGET_URI_LIST)
1461                         {
1462                         GList *work;
1463
1464                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1465
1466                         work = list;
1467                         while (work)
1468                                 {
1469                                 FileData *fd = work->data;
1470                                 if (isdir(fd->path))
1471                                         {
1472                                         GtkWidget *menu;
1473                                         menu = view_confirm_dir_list(vw, list);
1474                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1475                                         return;
1476                                         }
1477                                 work = work->next;
1478                                 }
1479
1480                         list = filelist_filter(list, FALSE);
1481
1482                         source = NULL;
1483                         info_list = NULL;
1484                         }
1485                 else
1486                         {
1487                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1488                         }
1489
1490                 if (list)
1491                         {
1492                         FileData *fd;
1493
1494                         fd = list->data;
1495                         if (isfile(fd->path))
1496                                 {
1497                                 view_slideshow_stop(vw);
1498                                 view_window_set_list(vw, NULL);
1499
1500                                 if (source && info_list)
1501                                         {
1502                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1503                                         }
1504                                 else
1505                                         {
1506                                         if (list->next)
1507                                                 {
1508                                                 vw->list = list;
1509                                                 list = NULL;
1510
1511                                                 vw->list_pointer = vw->list;
1512                                                 }
1513                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1514                                         }
1515                                 }
1516                         }
1517                 filelist_free(list);
1518                 g_list_free(info_list);
1519                 }
1520 }
1521
1522 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1523                                      GtkSelectionData *selection_data, guint info,
1524                                      guint time, gpointer data)
1525 {
1526         ViewWindow *vw = data;
1527         FileData *fd;
1528
1529         fd = image_get_fd(vw->imd);
1530
1531         if (fd)
1532                 {
1533                 gchar *text = NULL;
1534                 gint len;
1535                 gint plain_text;
1536                 GList *list;
1537
1538                 switch (info)
1539                         {
1540                         case TARGET_URI_LIST:
1541                                 plain_text = FALSE;
1542                                 break;
1543                         case TARGET_TEXT_PLAIN:
1544                         default:
1545                                 plain_text = TRUE;
1546                                 break;
1547                         }
1548                 list = g_list_append(NULL, fd);
1549                 text = uri_text_from_filelist(list, &len, plain_text);
1550                 g_list_free(list);
1551                 if (text)
1552                         {
1553                         gtk_selection_data_set(selection_data, selection_data->target,
1554                                                8, (guchar *)text, len);
1555                         g_free(text);
1556                         }
1557                 }
1558         else
1559                 {
1560                 gtk_selection_data_set(selection_data, selection_data->target,
1561                                        8, NULL, 0);
1562                 }
1563 }
1564
1565 static void view_window_dnd_init(ViewWindow *vw)
1566 {
1567         ImageWindow *imd;
1568
1569         imd = vw->imd;
1570
1571         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1572                             dnd_file_drag_types, dnd_file_drag_types_count,
1573                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1574         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1575                          G_CALLBACK(view_window_set_dnd_data), vw);
1576
1577         gtk_drag_dest_set(imd->pr,
1578                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1579                           dnd_file_drop_types, dnd_file_drop_types_count,
1580                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1581         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1582                          G_CALLBACK(view_window_get_dnd_data), vw);
1583 }
1584
1585 /*
1586  *-----------------------------------------------------------------------------
1587  * maintenance (for rename, move, remove)
1588  *-----------------------------------------------------------------------------
1589  */
1590
1591 static void view_real_removed(ViewWindow *vw, FileData *fd)
1592 {
1593         ImageWindow *imd;
1594         FileData *image_fd;
1595
1596         imd = view_window_active_image(vw);
1597         image_fd = image_get_fd(imd);
1598
1599         if (image_fd && image_fd == fd)
1600                 {
1601                 if (vw->list)
1602                         {
1603                         view_list_step(vw, TRUE);
1604                         if (image_get_fd(imd) == image_fd)
1605                                 {
1606                                 view_list_step(vw, FALSE);
1607                                 }
1608                         }
1609                 else if (view_window_contains_collection(vw))
1610                         {
1611                         view_collection_step(vw, TRUE);
1612                         if (image_get_fd(imd) == image_fd)
1613                                 {
1614                                 view_collection_step(vw, FALSE);
1615                                 }
1616                         }
1617                 if (image_get_fd(imd) == image_fd)
1618                         {
1619                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1620                         }
1621                 }
1622
1623         if (vw->list)
1624                 {
1625                 GList *work;
1626                 GList *old;
1627
1628                 old = vw->list_pointer;
1629
1630                 work = vw->list;
1631                 while (work)
1632                         {
1633                         FileData *chk_fd;
1634                         GList *chk_link;
1635
1636                         chk_fd = work->data;
1637                         chk_link = work;
1638                         work = work->next;
1639
1640                         if (chk_fd == fd)
1641                                 {
1642                                 if (vw->list_pointer == chk_link)
1643                                         {
1644                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1645                                         }
1646                                 vw->list = g_list_remove(vw->list, chk_fd);
1647                                 file_data_unref(chk_fd);
1648                                 }
1649                         }
1650
1651                 /* handles stepping correctly when same image is in the list more than once */
1652                 if (old && old != vw->list_pointer)
1653                         {
1654                         FileData *fd;
1655
1656                         if (vw->list_pointer)
1657                                 {
1658                                 fd = vw->list_pointer->data;
1659                                 }
1660                         else
1661                                 {
1662                                 fd = NULL;
1663                                 }
1664
1665                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1666                         }
1667                 }
1668
1669         image_osd_update(imd);
1670 }
1671
1672 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1673 {
1674         ViewWindow *vw = data;
1675
1676         if (type != NOTIFY_TYPE_CHANGE || !fd->change) return;
1677
1678         switch (fd->change->type)
1679                 {
1680                 case FILEDATA_CHANGE_MOVE:
1681                 case FILEDATA_CHANGE_RENAME:
1682                         break;
1683                 case FILEDATA_CHANGE_COPY:
1684                         break;
1685                 case FILEDATA_CHANGE_DELETE:
1686                         view_real_removed(vw, fd);
1687                         break;
1688                 case FILEDATA_CHANGE_UNSPECIFIED:
1689                 case FILEDATA_CHANGE_WRITE_METADATA:
1690                         break;
1691                 }
1692 }
1693 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */