src/img-view.c

   1 /*
   2  * GQview
   3  * (C) 2004 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12
  13 #include "gqview.h"
  14 #include "img-view.h"
  15
  16 #include "collect.h"
  17 #include "collect-io.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "filelist.h"
  21 #include "fullscreen.h"
  22 #include "image.h"
  23 #include "image-overlay.h"
  24 #include "info.h"
  25 #include "menu.h"
  26 #include "pixbuf-renderer.h"
  27 #include "slideshow.h"
  28 #include "utilops.h"
  29 #include "ui_bookmark.h"
  30 #include "ui_fileops.h"
  31 #include "ui_menu.h"
  32
  33 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  34
  35 #include "icons/view.xpm"
  36
  37
  38 typedef struct _ViewWindow ViewWindow;
  39 struct _ViewWindow
  40 {
  41         GtkWidget *window;
  42         ImageWindow *imd;
  43         FullScreenData *fs;
  44         SlideShowData *ss;
  45
  46         GList *list;
  47         GList *list_pointer;
  48
  49         gint overlay_id;
  50 };
  51
  52
  53 static GList *view_window_list = NULL;
  54
  55
  56 static GtkWidget *view_popup_menu(ViewWindow *vw);
  57 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  58 static void view_overlay_toggle(ViewWindow *vw);
  59
  60 static void view_slideshow_next(ViewWindow *vw);
  61 static void view_slideshow_prev(ViewWindow *vw);
  62 static void view_slideshow_start(ViewWindow *vw);
  63 static void view_slideshow_stop(ViewWindow *vw);
  64
  65 static void view_window_close(ViewWindow *vw);
  66
  67 static void view_window_dnd_init(ViewWindow *vw);
  68
  69
  70 /*
  71  *-----------------------------------------------------------------------------
  72  * misc
  73  *-----------------------------------------------------------------------------
  74  */
  75
  76 static ImageWindow *view_window_active_image(ViewWindow *vw)
  77 {
  78         if (vw->fs) return vw->fs->imd;
  79
  80         return vw->imd;
  81 }
  82
  83 static void view_window_set_list(ViewWindow *vw, GList *list)
  84 {
  85
  86         path_list_free(vw->list);
  87         vw->list = NULL;
  88         vw->list_pointer = NULL;
  89
  90         vw->list = path_list_copy(list);
  91 }
  92
  93 static gint view_window_contains_collection(ViewWindow *vw)
  94 {
  95         CollectionData *cd;
  96         CollectInfo *info;
  97
  98         cd = image_get_collection(view_window_active_image(vw), &info);
  99
 100         return (cd && info);
 101 }
 102
 103 static void view_collection_step(ViewWindow *vw, gint next)
 104 {
 105         ImageWindow *imd = view_window_active_image(vw);
 106         CollectionData *cd;
 107         CollectInfo *info;
 108         CollectInfo *read_ahead_info = NULL;
 109
 110         cd = image_get_collection(imd, &info);
 111
 112         if (!cd || !info) return;
 113
 114         if (next)
 115                 {
 116                 info = collection_next_by_info(cd, info);
 117                 if (enable_read_ahead)
 118                         {
 119                         read_ahead_info = collection_next_by_info(cd, info);
 120                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 121                         }
 122                 }
 123         else
 124                 {
 125                 info = collection_prev_by_info(cd, info);
 126                 if (enable_read_ahead)
 127                         {
 128                         read_ahead_info = collection_prev_by_info(cd, info);
 129                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 130                         }
 131                 }
 132
 133         if (info)
 134                 {
 135                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, zoom_mode));
 136
 137                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->path);
 138                 }
 139
 140 }
 141
 142 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 143 {
 144         ImageWindow *imd = view_window_active_image(vw);
 145         CollectionData *cd;
 146         CollectInfo *info;
 147         CollectInfo *read_ahead_info = NULL;
 148
 149         cd = image_get_collection(imd, &info);
 150
 151         if (!cd || !info) return;
 152
 153         if (last)
 154                 {
 155                 info = collection_get_last(cd);
 156                 if (enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 157                 }
 158         else
 159                 {
 160                 info = collection_get_first(cd);
 161                 if (enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 162                 }
 163
 164         if (info)
 165                 {
 166                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, zoom_mode));
 167                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->path);
 168                 }
 169 }
 170
 171 static void view_list_step(ViewWindow *vw, gint next)
 172 {
 173         ImageWindow *imd = view_window_active_image(vw);
 174         const gchar *path;
 175         GList *work;
 176         GList *work_ahead;
 177
 178         if (!vw->list) return;
 179
 180         path = image_get_path(imd);
 181         if (!path) return;
 182
 183         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 184                 {
 185                 work = vw->list_pointer;
 186                 }
 187         else
 188                 {
 189                 gint found = FALSE;
 190
 191                 work = vw->list;
 192                 while (work && !found)
 193                         {
 194                         gchar *temp;
 195
 196                         temp = work->data;
 197
 198                         if (strcmp(path, temp) == 0)
 199                                 {
 200                                 found = TRUE;
 201                                 }
 202                         else
 203                                 {
 204                                 work = work->next;
 205                                 }
 206                         }
 207                 }
 208         if (!work) return;
 209
 210         work_ahead = NULL;
 211         if (next)
 212                 {
 213                 work = work->next;
 214                 if (work) work_ahead = work->next;
 215                 }
 216         else
 217                 {
 218                 work = work->prev;
 219                 if (work) work_ahead = work->prev;
 220                 }
 221         if (!work) return;
 222
 223         vw->list_pointer = work;
 224         path = work->data;
 225         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
 226
 227         if (enable_read_ahead && work_ahead)
 228                 {
 229                 const gchar *next_path = work_ahead->data;
 230                 image_prebuffer_set(imd, next_path);
 231                 }
 232 }
 233
 234 static void view_list_step_to_end(ViewWindow *vw, gint last)
 235 {
 236         ImageWindow *imd = view_window_active_image(vw);
 237         const gchar *path;
 238         GList *work;
 239         GList *work_ahead;
 240
 241         if (!vw->list) return;
 242
 243         if (last)
 244                 {
 245                 work = g_list_last(vw->list);
 246                 work_ahead = work->prev;
 247                 }
 248         else
 249                 {
 250                 work = vw->list;
 251                 work_ahead = work->next;
 252                 }
 253
 254         vw->list_pointer = work;
 255         path = work->data;
 256         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
 257
 258         if (enable_read_ahead && work_ahead)
 259                 {
 260                 const gchar *next_path = work_ahead->data;
 261                 image_prebuffer_set(imd, next_path);
 262                 }
 263 }
 264
 265 static void view_step_next(ViewWindow *vw)
 266 {
 267         if (vw->ss)
 268                 {
 269                 view_slideshow_next(vw);
 270                 }
 271         else if (vw->list)
 272                 {
 273                 view_list_step(vw, TRUE);
 274                 }
 275         else
 276                 {
 277                 view_collection_step(vw, TRUE);
 278                 }
 279 }
 280
 281 static void view_step_prev(ViewWindow *vw)
 282 {
 283         if (vw->ss)
 284                 {
 285                 view_slideshow_prev(vw);
 286                 }
 287         else if (vw->list)
 288                 {
 289                 view_list_step(vw, FALSE);
 290                 }
 291         else
 292                 {
 293                 view_collection_step(vw, FALSE);
 294                 }
 295 }
 296
 297 static void view_step_to_end(ViewWindow *vw, gint last)
 298 {
 299         if (vw->list)
 300                 {
 301                 view_list_step_to_end(vw, last);
 302                 }
 303         else
 304                 {
 305                 view_collection_step_to_end(vw, last);
 306                 }
 307 }
 308
 309 /*
 310  *-----------------------------------------------------------------------------
 311  * view window keyboard
 312  *-----------------------------------------------------------------------------
 313  */
 314
 315 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 316 {
 317         ViewWindow *vw = data;
 318         ImageWindow *imd;
 319
 320         imd = view_window_active_image(vw);
 321         gdk_window_get_origin(imd->pr->window, x, y);
 322         popup_menu_position_clamp(menu, x, y, 0);
 323 }
 324
 325 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 326 {
 327         ViewWindow *vw = data;
 328         ImageWindow *imd;
 329         gint stop_signal = FALSE;
 330         GtkWidget *menu;
 331         gint x = 0;
 332         gint y = 0;
 333
 334         imd = view_window_active_image(vw);
 335
 336         switch (event->keyval)
 337                 {
 338                 case GDK_Left: case GDK_KP_Left:
 339                         x -= 1;
 340                         stop_signal = TRUE;
 341                         break;
 342                 case GDK_Right: case GDK_KP_Right:
 343                         x += 1;
 344                         stop_signal = TRUE;
 345                         break;
 346                 case GDK_Up: case GDK_KP_Up:
 347                         y -= 1;
 348                         stop_signal = TRUE;
 349                         break;
 350                 case GDK_Down: case GDK_KP_Down:
 351                         y += 1;
 352                         stop_signal = TRUE;
 353                         break;
 354                 }
 355
 356         if ( !(event->state & GDK_CONTROL_MASK) )
 357             switch (event->keyval)
 358                 {
 359                 case GDK_Page_Up: case GDK_KP_Page_Up:
 360                 case GDK_BackSpace:
 361                 case 'B': case 'b':
 362                         view_step_prev(vw);
 363                         stop_signal = TRUE;
 364                         break;
 365                 case GDK_Page_Down: case GDK_KP_Page_Down:
 366                 case GDK_space:
 367                 case 'N': case 'n':
 368                         view_step_next(vw);
 369                         stop_signal = TRUE;
 370                         break;
 371                 case GDK_Home: case GDK_KP_Home:
 372                         view_step_to_end(vw, FALSE);
 373                         stop_signal = TRUE;
 374                         break;
 375                 case GDK_End: case GDK_KP_End:
 376                         view_step_to_end(vw, TRUE);
 377                         stop_signal = TRUE;
 378                         break;
 379                 case '+': case '=': case GDK_KP_Add:
 380                         image_zoom_adjust(imd, get_zoom_increment());
 381                         break;
 382                 case '-': case GDK_KP_Subtract:
 383                         image_zoom_adjust(imd, -get_zoom_increment());
 384                         break;
 385                 case 'X': case 'x': case GDK_KP_Multiply:
 386                         image_zoom_set(imd, 0.0);
 387                         break;
 388                 case 'Z': case 'z': case GDK_KP_Divide: case '1':
 389                         image_zoom_set(imd, 1.0);
 390                         break;
 391                 case '2':
 392                         image_zoom_set(imd, 2.0);
 393                         break;
 394                 case '3':
 395                         image_zoom_set(imd, 3.0);
 396                         break;
 397                 case '4':
 398                         image_zoom_set(imd, 4.0);
 399                         break;
 400                 case '7':
 401                         image_zoom_set(imd, -4.0);
 402                         break;
 403                 case '8':
 404                         image_zoom_set(imd, -3.0);
 405                         break;
 406                 case '9':
 407                         image_zoom_set(imd, -2.0);
 408                         break;
 409                 case 'W': case 'w':
 410                         image_zoom_set_fill_geometry(imd, FALSE);
 411                         break;
 412                 case 'H': case 'h':
 413                         image_zoom_set_fill_geometry(imd, TRUE);
 414                         break;
 415                 case 'R': case 'r':
 416                         image_reload(imd);
 417                         break;
 418                 case 'S': case 's':
 419                         if (vw->ss)
 420                                 view_slideshow_stop(vw);
 421                         else
 422                                 view_slideshow_start(vw);
 423                         stop_signal = TRUE;
 424                         break;
 425                 case 'P': case 'p':
 426                         slideshow_pause_toggle(vw->ss);
 427                         break;
 428                 case 'F': case 'f':
 429                 case 'V': case 'v':
 430                         view_fullscreen_toggle(vw, FALSE);
 431                         stop_signal = TRUE;
 432                         break;
 433                 case 'I': case 'i':
 434                         view_overlay_toggle(vw);
 435                         break;
 436                 case ']':
 437                         image_alter(imd, ALTER_ROTATE_90);
 438                         stop_signal = TRUE;
 439                         break;
 440                 case '[':
 441                         image_alter(imd, ALTER_ROTATE_90_CC);
 442                         stop_signal = TRUE;
 443                         break;
 444                 case GDK_Delete: case GDK_KP_Delete:
 445                         if (enable_delete_key)
 446                                 {
 447                                 file_util_delete(image_get_path(imd), NULL, imd->widget);
 448                                 stop_signal = TRUE;
 449                                 }
 450                         break;
 451                 case GDK_Escape:
 452                         if (vw->fs)
 453                                 {
 454                                 view_fullscreen_toggle(vw, TRUE);
 455                                 }
 456                         else
 457                                 {
 458                                 gtk_widget_destroy(vw->window);
 459                                 }
 460                         stop_signal = TRUE;
 461                         break;
 462                 case GDK_Menu:
 463                 case GDK_F10:
 464                         menu = view_popup_menu(vw);
 465                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 466                         stop_signal = TRUE;
 467                         break;
 468                 }
 469
 470         if (event->state & GDK_CONTROL_MASK)
 471                 {
 472                 gint n = -1;
 473                 switch (event->keyval)
 474                         {
 475                         case '1':
 476                                 n = 0;
 477                                 break;
 478                         case '2':
 479                                 n = 1;
 480                                 break;
 481                         case '3':
 482                                 n = 2;
 483                                 break;
 484                         case '4':
 485                                 n = 3;
 486                                 break;
 487                         case '5':
 488                                 n = 4;
 489                                 break;
 490                         case '6':
 491                                 n = 5;
 492                                 break;
 493                         case '7':
 494                                 n = 6;
 495                                 break;
 496                         case '8':
 497                                 n = 7;
 498                                 break;
 499                         case '9':
 500                                 n = 8;
 501                                 break;
 502                         case '0':
 503                                 n = 9;
 504                                 break;
 505                         case 'C': case 'c':
 506                                 file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
 507                                 stop_signal = TRUE;
 508                                 break;
 509                         case 'M': case 'm':
 510                                 file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
 511                                 stop_signal = TRUE;
 512                                 break;
 513                         case 'R': case 'r':
 514                                 file_util_rename(image_get_path(imd), NULL, imd->widget);
 515                                 stop_signal = TRUE;
 516                                 break;
 517                         case 'D': case 'd':
 518                                 file_util_delete(image_get_path(imd), NULL, imd->widget);
 519                                 stop_signal = TRUE;
 520                                 break;
 521                         case 'P': case 'p':
 522                                 info_window_new(image_get_path(imd), NULL);
 523                                 stop_signal = TRUE;
 524                                 break;
 525                         case 'W': case 'w':
 526                                 view_window_close(vw);
 527                                 break;
 528                         }
 529                 if (n != -1)
 530                         {
 531                         if (!editor_window_flag_set(n))
 532                                 {
 533                                 view_fullscreen_toggle(vw, TRUE);
 534                                 }
 535                         imd = view_window_active_image(vw);
 536                         start_editor_from_file(n, image_get_path(imd));
 537                         }
 538                 }
 539         else if (event->state & GDK_SHIFT_MASK)
 540                 {
 541                 switch (event->keyval)
 542                         {
 543                         case 'R': case 'r':
 544                                 image_alter(imd, ALTER_ROTATE_180);
 545                                 stop_signal = TRUE;
 546                                 break;
 547                         case 'M': case 'm':
 548                                 image_alter(imd, ALTER_MIRROR);
 549                                 stop_signal = TRUE;
 550                                 break;
 551                         case 'F': case 'f':
 552                                 image_alter(imd, ALTER_FLIP);
 553                                 stop_signal = TRUE;
 554                                 break;
 555                         default:
 556                                 break;
 557                         }
 558                 x *= 3;
 559                 y *= 3;
 560                 }
 561
 562         if (x != 0 || y!= 0)
 563                 {
 564                 keyboard_scroll_calc(&x, &y, event);
 565                 image_scroll(imd, x, y);
 566                 }
 567
 568         return stop_signal;
 569 }
 570
 571 /*
 572  *-----------------------------------------------------------------------------
 573  * view window main routines
 574  *-----------------------------------------------------------------------------
 575  */
 576
 577 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 578                       gdouble x, gdouble y, guint state, gpointer data)
 579 {
 580         ViewWindow *vw = data;
 581         GtkWidget *menu;
 582
 583         switch (button)
 584                 {
 585                 case 1:
 586                         view_step_next(vw);
 587                         break;
 588                 case 2:
 589                         view_step_prev(vw);
 590                         break;
 591                 case 3:
 592                         menu = view_popup_menu(vw);
 593                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 594                         break;
 595                 default:
 596                         break;
 597                 }
 598 }
 599
 600 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 601                       gdouble x, gdouble y, guint state, gpointer data)
 602 {
 603         ViewWindow *vw = data;
 604
 605         if (state & GDK_CONTROL_MASK)
 606                 {
 607                 switch (direction)
 608                         {
 609                         case GDK_SCROLL_UP:
 610                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 611                                 break;
 612                         case GDK_SCROLL_DOWN:
 613                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 614                                 break;
 615                         default:
 616                                 break;
 617                         }
 618                 }
 619         else if ( (state & GDK_SHIFT_MASK) != (mousewheel_scrolls))
 620                 {
 621                 switch (direction)
 622                         {
 623                         case GDK_SCROLL_UP:
 624                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 625                                 break;
 626                         case GDK_SCROLL_DOWN:
 627                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 628                                 break;
 629                         case GDK_SCROLL_LEFT:
 630                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 631                                 break;
 632                         case GDK_SCROLL_RIGHT:
 633                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 634                                 break;
 635                         default:
 636                                 break;
 637                         }
 638                 }
 639         else
 640                 {
 641                 switch (direction)
 642                         {
 643                         case GDK_SCROLL_UP:
 644                                 view_step_prev(vw);
 645                                 break;
 646                         case GDK_SCROLL_DOWN:
 647                                 view_step_next(vw);
 648                                 break;
 649                         default:
 650                                 break;
 651                         }
 652                 }
 653 }
 654
 655 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 656 {
 657         image_set_button_func(imd, button_cb, vw);
 658         image_set_scroll_func(imd, scroll_cb, vw);
 659 }
 660
 661 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 662 {
 663         ViewWindow *vw = data;
 664
 665         vw->fs = NULL;
 666
 667         if (vw->ss) vw->ss->imd = vw->imd;
 668 }
 669
 670 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 671 {
 672         if (force_off && !vw->fs) return;
 673
 674         if (vw->fs)
 675                 {
 676                 fullscreen_stop(vw->fs);
 677
 678                 if (vw->overlay_id != -1) vw->overlay_id = image_overlay_info_enable(vw->imd);
 679                 }
 680         else
 681                 {
 682                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 683
 684                 view_image_set_buttons(vw, vw->fs->imd);
 685                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 686                                  G_CALLBACK(view_window_key_press_cb), vw);
 687
 688                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 689
 690                 if (vw->overlay_id != -1)
 691                         {
 692                         image_overlay_info_disable(vw->imd, vw->overlay_id);
 693                         vw->overlay_id = image_overlay_info_enable(vw->fs->imd);
 694                         }
 695                 }
 696 }
 697
 698 static void view_overlay_toggle(ViewWindow *vw)
 699 {
 700         ImageWindow *imd;
 701
 702         imd = view_window_active_image(vw);
 703
 704         if (vw->overlay_id == -1)
 705                 {
 706                 vw->overlay_id = image_overlay_info_enable(imd);
 707                 }
 708         else
 709                 {
 710                 image_overlay_info_disable(imd, vw->overlay_id);
 711                 vw->overlay_id = -1;
 712                 }
 713 }
 714
 715 static void view_slideshow_next(ViewWindow *vw)
 716 {
 717         if (vw->ss) slideshow_next(vw->ss);
 718 }
 719
 720 static void view_slideshow_prev(ViewWindow *vw)
 721 {
 722         if (vw->ss) slideshow_prev(vw->ss);
 723 }
 724
 725 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 726 {
 727         ViewWindow *vw = data;
 728
 729         vw->ss = NULL;
 730 }
 731
 732 static void view_slideshow_start(ViewWindow *vw)
 733 {
 734         if (!vw->ss)
 735                 {
 736                 CollectionData *cd;
 737                 CollectInfo *info;
 738
 739                 if (vw->list)
 740                         {
 741                         vw->ss = slideshow_start_from_path_list(view_window_active_image(vw),
 742                                                                 path_list_copy(vw->list),
 743                                                                 view_slideshow_stop_func, vw);
 744                         vw->list_pointer = NULL;
 745                         return;
 746                         }
 747
 748                 cd = image_get_collection(view_window_active_image(vw), &info);
 749                 if (cd && info)
 750                         {
 751                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 752                                                                  view_slideshow_stop_func, vw, info);
 753                         }
 754                 }
 755 }
 756
 757 static void view_slideshow_stop(ViewWindow *vw)
 758 {
 759         if (vw->ss) slideshow_free(vw->ss);
 760 }
 761
 762 static void view_window_close(ViewWindow *vw)
 763 {
 764         view_window_list = g_list_remove(view_window_list, vw);
 765
 766         view_slideshow_stop(vw);
 767         view_fullscreen_toggle(vw, TRUE);
 768         gtk_widget_destroy(vw->window);
 769         path_list_free(vw->list);
 770         g_free(vw);
 771 }
 772
 773 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 774 {
 775         ViewWindow *vw = data;
 776
 777         view_window_close(vw);
 778         return TRUE;
 779 }
 780
 781 static ViewWindow *real_view_window_new(const gchar *path, GList *list, CollectionData *cd, CollectInfo *info)
 782 {
 783         ViewWindow *vw;
 784         GtkAllocation req_size;
 785         GdkGeometry geometry;
 786         gint w, h;
 787
 788         if (!path && !list && (!cd || !info)) return NULL;
 789
 790         vw = g_new0(ViewWindow, 1);
 791         vw->fs = NULL;
 792         vw->ss = NULL;
 793         vw->list = NULL;
 794         vw->list_pointer = NULL;
 795
 796         vw->overlay_id = -1;
 797
 798         vw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 799
 800         geometry.min_width = 8;
 801         geometry.min_height = 8;
 802         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 803
 804         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 805         gtk_window_set_title (GTK_WINDOW(vw->window), "GQview");
 806         gtk_window_set_wmclass(GTK_WINDOW(vw->window), "view", "GQview");
 807         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 808
 809         window_set_icon(vw->window, (const gchar **)view_xpm, NULL);
 810
 811         vw->imd = image_new(FALSE);
 812
 813         if (black_window_background) image_background_set_black(vw->imd, TRUE);
 814
 815         image_attach_window(vw->imd, vw->window, NULL, "GQview", TRUE);
 816
 817         image_auto_refresh(vw->imd, 0);
 818         image_top_window_set_sync(vw->imd, TRUE);
 819
 820         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 821         gtk_widget_show(vw->imd->widget);
 822
 823         view_window_dnd_init(vw);
 824
 825         view_image_set_buttons(vw, vw->imd);
 826
 827         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 828                          G_CALLBACK(view_window_delete_cb), vw);
 829         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 830                          G_CALLBACK(view_window_key_press_cb), vw);
 831         if (cd && info)
 832                 {
 833                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, zoom_mode));
 834                 if (enable_read_ahead)
 835                         {
 836                         CollectInfo * r_info = collection_next_by_info(cd, info);
 837                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 838                         if (r_info) image_prebuffer_set(vw->imd, r_info->path);
 839                         }
 840                 }
 841         else if (list)
 842                 {
 843                 view_window_set_list(vw, list);
 844                 vw->list_pointer = vw->list;
 845                 image_change_path(vw->imd, (gchar *)vw->list->data, image_zoom_get_default(NULL, zoom_mode));
 846
 847                 if (enable_read_ahead)
 848                         {
 849                         GList *work = vw->list->next;
 850                         if (work) image_prebuffer_set(vw->imd, (gchar *)work->data);
 851                         }
 852                 }
 853         else
 854                 {
 855                 image_change_path(vw->imd, path, image_zoom_get_default(NULL, zoom_mode));
 856                 }
 857
 858         if (image_zoom_get(vw->imd) == 0.0)
 859                 {
 860                 pixbuf_renderer_get_image_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 861                 }
 862         else
 863                 {
 864                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 865                 }
 866         if (limit_window_size)
 867                 {
 868                 gint mw = gdk_screen_width() * max_window_size / 100;
 869                 gint mh = gdk_screen_height() * max_window_size / 100;
 870
 871                 if (w > mw) w = mw;
 872                 if (h > mh) h = mh;
 873                 }
 874
 875         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 876         req_size.x = req_size.y = 0;
 877         req_size.width = w;
 878         req_size.height = h;
 879         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 880
 881         gtk_widget_set_size_request(vw->imd->pr, w, h);
 882
 883         gtk_widget_show(vw->window);
 884
 885         view_window_list = g_list_append(view_window_list, vw);
 886
 887         return vw;
 888 }
 889
 890 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 891 {
 892         CollectionData *cd = data;
 893
 894         collection_unref(cd);
 895 }
 896
 897 void view_window_new(const gchar *path)
 898 {
 899         if (file_extension_match(path, ".gqv"))
 900                 {
 901                 ViewWindow *vw;
 902                 CollectionData *cd;
 903                 CollectInfo *info;
 904
 905                 cd = collection_new(path);
 906                 if (collection_load(cd, path, FALSE))
 907                         {
 908                         info = collection_get_first(cd);
 909                         }
 910                 else
 911                         {
 912                         collection_unref(cd);
 913                         cd = NULL;
 914                         info = NULL;
 915                         }
 916                 vw = real_view_window_new(NULL, NULL, cd, info);
 917                 if (vw && cd)
 918                         {
 919                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 920                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 921                         }
 922                 }
 923         else if (isdir(path))
 924                 {
 925                 GList *list = NULL;
 926
 927                 if (path_list(path, &list, NULL))
 928                         {
 929                         list = path_list_sort(list);
 930                         list = path_list_filter(list, FALSE);
 931                         }
 932                 real_view_window_new(NULL, list, NULL, NULL);
 933                 path_list_free(list);
 934                 }
 935         else
 936                 {
 937                 real_view_window_new(path, NULL, NULL, NULL);
 938                 }
 939 }
 940
 941 void view_window_new_from_list(GList *list)
 942 {
 943         real_view_window_new(NULL, list, NULL, NULL);
 944 }
 945
 946 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 947 {
 948         real_view_window_new(NULL, NULL, cd, info);
 949 }
 950
 951 /*
 952  *-----------------------------------------------------------------------------
 953  * public
 954  *-----------------------------------------------------------------------------
 955  */
 956
 957 void view_window_colors_update(void)
 958 {
 959         GList *work;
 960
 961         work = view_window_list;
 962         while (work)
 963                 {
 964                 ViewWindow *vw = work->data;
 965                 work = work->next;
 966
 967                 image_background_set_black(vw->imd, black_window_background);
 968                 }
 969 }
 970
 971 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 972 {
 973         GList *work;
 974
 975         work = view_window_list;
 976         while (work)
 977                 {
 978                 ViewWindow *vw = work->data;
 979                 work = work->next;
 980
 981                 if (vw->imd == imd ||
 982                     (vw->fs && vw->fs->imd == imd))
 983                         {
 984                         if (vw->ss)
 985                                 {
 986                                 gint n;
 987                                 n = g_list_length(vw->ss->list_done);
 988                                 if (index) *index = n - 1;
 989                                 if (total) *total = n + g_list_length(vw->ss->list);
 990                                 }
 991                         else
 992                                 {
 993                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
 994                                 if (total) *total = g_list_length(vw->list);
 995                                 }
 996                         return TRUE;
 997                         }
 998                 }
 999
1000         return FALSE;
1001 }
1002
1003 /*
1004  *-----------------------------------------------------------------------------
1005  * view window menu routines and callbacks
1006  *-----------------------------------------------------------------------------
1007  */
1008
1009 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1010 {
1011         ViewWindow *vw = data;
1012         CollectionData *cd;
1013         CollectInfo *info;
1014
1015         cd = image_get_collection(vw->imd, &info);
1016
1017         if (cd && info)
1018                 {
1019                 view_window_new_from_collection(cd, info);
1020                 }
1021         else
1022                 {
1023                 view_window_new(image_get_path(vw->imd));
1024                 }
1025 }
1026
1027 static void view_edit_cb(GtkWidget *widget, gpointer data)
1028 {
1029         ViewWindow *vw;
1030         ImageWindow *imd;
1031         gint n;
1032
1033         vw = submenu_item_get_data(widget);
1034         n = GPOINTER_TO_INT(data);
1035         if (!vw) return;
1036
1037         if (!editor_window_flag_set(n))
1038                 {
1039                 view_fullscreen_toggle(vw, TRUE);
1040                 }
1041
1042         imd = view_window_active_image(vw);
1043         start_editor_from_file(n, image_get_path(imd));
1044 }
1045
1046 static void view_alter_cb(GtkWidget *widget, gpointer data)
1047 {
1048         ViewWindow *vw;
1049         AlterType type;
1050
1051         vw = submenu_item_get_data(widget);
1052         type = GPOINTER_TO_INT(data);
1053
1054         if (!vw) return;
1055         image_alter(vw->imd, type);
1056 }
1057
1058 static void view_info_cb(GtkWidget *widget, gpointer data)
1059 {
1060         ViewWindow *vw = data;
1061         ImageWindow *imd;
1062
1063         imd = view_window_active_image(vw);
1064         info_window_new(image_get_path(imd), NULL);
1065 }
1066
1067 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1068 {
1069         ViewWindow *vw = data;
1070         ImageWindow *imd;
1071
1072         imd = view_window_active_image(vw);
1073         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1074 }
1075
1076 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1077 {
1078         ViewWindow *vw = data;
1079
1080         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1081 }
1082
1083 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1084 {
1085         ViewWindow *vw = data;
1086
1087         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1088 }
1089
1090 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1091 {
1092         ViewWindow *vw = data;
1093
1094         image_zoom_set(view_window_active_image(vw), 1.0);
1095 }
1096
1097 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1098 {
1099         ViewWindow *vw = data;
1100
1101         image_zoom_set(view_window_active_image(vw), 0.0);
1102 }
1103
1104 static void view_copy_cb(GtkWidget *widget, gpointer data)
1105 {
1106         ViewWindow *vw = data;
1107         ImageWindow *imd;
1108
1109         imd = view_window_active_image(vw);
1110         file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
1111 }
1112
1113 static void view_move_cb(GtkWidget *widget, gpointer data)
1114 {
1115         ViewWindow *vw = data;
1116         ImageWindow *imd;
1117
1118         imd = view_window_active_image(vw);
1119         file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
1120 }
1121
1122 static void view_rename_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125         ImageWindow *imd;
1126
1127         imd = view_window_active_image(vw);
1128         file_util_rename(image_get_path(imd), NULL, imd->widget);
1129 }
1130
1131 static void view_delete_cb(GtkWidget *widget, gpointer data)
1132 {
1133         ViewWindow *vw = data;
1134         ImageWindow *imd;
1135
1136         imd = view_window_active_image(vw);
1137         file_util_delete(image_get_path(imd), NULL, imd->widget);
1138 }
1139
1140 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1141 {
1142         ViewWindow *vw = data;
1143
1144         view_fullscreen_toggle(vw, FALSE);
1145 }
1146
1147 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1148 {
1149         ViewWindow *vw = data;
1150
1151         view_slideshow_start(vw);
1152 }
1153
1154 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1155 {
1156         ViewWindow *vw = data;
1157
1158         view_slideshow_stop(vw);
1159 }
1160
1161 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1162 {
1163         ViewWindow *vw = data;
1164
1165         slideshow_pause_toggle(vw->ss);
1166 }
1167
1168 static void view_close_cb(GtkWidget *widget, gpointer data)
1169 {
1170         ViewWindow *vw = data;
1171
1172         view_window_close(vw);
1173 }
1174
1175 static GtkWidget *view_popup_menu(ViewWindow *vw)
1176 {
1177         GtkWidget *menu;
1178         GtkWidget *item;
1179
1180         menu = popup_menu_short_lived();
1181
1182         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1183         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1184         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1185         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1186         menu_item_add_divider(menu);
1187
1188         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1189         menu_item_add_divider(item);
1190         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1191
1192         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1193
1194         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1195
1196         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1197
1198         menu_item_add_divider(menu);
1199         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1200         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1201         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1202         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1203
1204         menu_item_add_divider(menu);
1205
1206         if (vw->ss)
1207                 {
1208                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1209                 if (slideshow_paused(vw->ss))
1210                         {
1211                         item = menu_item_add(menu, _("Continue slides_how"),
1212                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1213                         }
1214                 else
1215                         {
1216                         item = menu_item_add(menu, _("Pause slides_how"),
1217                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1218                         }
1219                 }
1220         else
1221                 {
1222                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1223                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1224                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1225                 gtk_widget_set_sensitive(item, FALSE);
1226                 }
1227
1228         if (vw->fs)
1229                 {
1230                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1231                 }
1232         else
1233                 {
1234                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1235                 }
1236
1237         menu_item_add_divider(menu);
1238         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1239
1240         return menu;
1241 }
1242
1243 /*
1244  *-------------------------------------------------------------------
1245  * dnd confirm dir
1246  *-------------------------------------------------------------------
1247  */
1248
1249 typedef struct {
1250         ViewWindow *vw;
1251         GList *list;
1252 } CViewConfirmD;
1253
1254 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1255 {
1256         /* do nothing */
1257 }
1258
1259 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1260 {
1261         GList *work;
1262
1263         view_window_set_list(vw, NULL);
1264
1265         work = list;
1266         while (work)
1267                 {
1268                 gchar *path = work->data;
1269                 work = work->next;
1270
1271                 if (isdir(path))
1272                         {
1273                         if (!skip)
1274                                 {
1275                                 GList *list = NULL;
1276
1277                                 if (recurse)
1278                                         {
1279                                         list = path_list_recursive(path);
1280                                         }
1281                                 else
1282                                         {
1283                                         path_list(path, &list, NULL);
1284                                         list = path_list_sort(list);
1285                                         list = path_list_filter(list, FALSE);
1286                                         }
1287                                 if (list) vw->list = g_list_concat(vw->list, list);
1288                                 }
1289                         }
1290                 else
1291                         {
1292                         /* FIXME: no filtering here */
1293                         vw->list = g_list_append(vw->list, g_strdup(path));
1294                         }
1295                 }
1296
1297         if (vw->list)
1298                 {
1299                 gchar *path;
1300
1301                 vw->list_pointer = vw->list;
1302                 path = vw->list->data;
1303                 image_change_path(vw->imd, path, image_zoom_get_default(vw->imd, zoom_mode));
1304
1305                 work = vw->list->next;
1306                 if (enable_read_ahead && work)
1307                         {
1308                         path = work->data;
1309                         image_prebuffer_set(vw->imd, path);
1310                         }
1311                 }
1312         else
1313                 {
1314                 image_change_path(vw->imd, NULL, image_zoom_get_default(vw->imd, zoom_mode));
1315                 }
1316 }
1317
1318 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1319 {
1320         CViewConfirmD *d = data;
1321         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1322 }
1323
1324 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1325 {
1326         CViewConfirmD *d = data;
1327         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1328 }
1329
1330 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1331 {
1332         CViewConfirmD *d = data;
1333         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1334 }
1335
1336 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1337 {
1338         CViewConfirmD *d = data;
1339         path_list_free(d->list);
1340         g_free(d);
1341 }
1342
1343 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1344 {
1345         GtkWidget *menu;
1346         CViewConfirmD *d;
1347
1348         d = g_new(CViewConfirmD, 1);
1349         d->vw = vw;
1350         d->list = list;
1351
1352         menu = popup_menu_short_lived();
1353         g_signal_connect(G_OBJECT(menu), "destroy",
1354                          G_CALLBACK(view_dir_list_destroy), d);
1355
1356         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1357         menu_item_add_divider(menu);
1358         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1359         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1360         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1361         menu_item_add_divider(menu);
1362         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1363
1364         return menu;
1365 }
1366
1367 /*
1368  *-----------------------------------------------------------------------------
1369  * image drag and drop routines
1370  *-----------------------------------------------------------------------------
1371  */
1372
1373 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1374                                      gint x, gint y,
1375                                      GtkSelectionData *selection_data, guint info,
1376                                      guint time, gpointer data)
1377 {
1378         ViewWindow *vw = data;
1379         ImageWindow *imd;
1380
1381         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1382
1383         imd = vw->imd;
1384
1385         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1386                 {
1387                 CollectionData *source;
1388                 GList *list;
1389                 GList *info_list;
1390
1391                 if (info == TARGET_URI_LIST)
1392                         {
1393                         GList *work;
1394
1395                         list = uri_list_from_text(selection_data->data, TRUE);
1396
1397                         work = list;
1398                         while (work)
1399                                 {
1400                                 if (isdir((gchar *)work->data))
1401                                         {
1402                                         GtkWidget *menu;
1403                                         menu = view_confirm_dir_list(vw, list);
1404                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1405                                         return;
1406                                         }
1407                                 work = work->next;
1408                                 }
1409
1410                         list = path_list_filter(list, FALSE);
1411
1412                         source = NULL;
1413                         info_list = NULL;
1414                         }
1415                 else
1416                         {
1417                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1418                         }
1419
1420                 if (list)
1421                         {
1422                         gchar *path;
1423
1424                         path = list->data;
1425                         if (isfile(path))
1426                                 {
1427                                 view_slideshow_stop(vw);
1428                                 view_window_set_list(vw, NULL);
1429
1430                                 if (source && info_list)
1431                                         {
1432                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, zoom_mode));
1433                                         }
1434                                 else
1435                                         {
1436                                         if (list->next)
1437                                                 {
1438                                                 vw->list = list;
1439                                                 list = NULL;
1440
1441                                                 vw->list_pointer = vw->list;
1442                                                 }
1443                                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1444                                         }
1445                                 }
1446                         }
1447                 path_list_free(list);
1448                 g_list_free(info_list);
1449                 }
1450 }
1451
1452 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1453                                      GtkSelectionData *selection_data, guint info,
1454                                      guint time, gpointer data)
1455 {
1456         ViewWindow *vw = data;
1457         const gchar *path;
1458
1459         path = image_get_path(vw->imd);
1460
1461         if (path)
1462                 {
1463                 gchar *text = NULL;
1464                 gint len;
1465                 gint plain_text;
1466                 GList *list;
1467
1468                 switch (info)
1469                         {
1470                         case TARGET_URI_LIST:
1471                                 plain_text = FALSE;
1472                                 break;
1473                         case TARGET_TEXT_PLAIN:
1474                         default:
1475                                 plain_text = TRUE;
1476                                 break;
1477                         }
1478                 list = g_list_append(NULL, (gchar *)path);
1479                 text = uri_text_from_list(list, &len, plain_text);
1480                 g_list_free(list);
1481                 if (text)
1482                         {
1483                         gtk_selection_data_set (selection_data, selection_data->target,
1484                                                 8, text, len);
1485                         g_free(text);
1486                         }
1487                 }
1488         else
1489                 {
1490                 gtk_selection_data_set (selection_data, selection_data->target,
1491                                         8, NULL, 0);
1492                 }
1493 }
1494
1495 static void view_window_dnd_init(ViewWindow *vw)
1496 {
1497         ImageWindow *imd;
1498
1499         imd = vw->imd;
1500
1501         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1502                             dnd_file_drag_types, dnd_file_drag_types_count,
1503                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1504         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1505                          G_CALLBACK(view_window_set_dnd_data), vw);
1506
1507         gtk_drag_dest_set(imd->pr,
1508                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1509                           dnd_file_drop_types, dnd_file_drop_types_count,
1510                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1511         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1512                          G_CALLBACK(view_window_get_dnd_data), vw);
1513 }
1514
1515 /*
1516  *-----------------------------------------------------------------------------
1517  * maintenance (for rename, move, remove)
1518  *-----------------------------------------------------------------------------
1519  */
1520
1521 static void view_real_removed(ViewWindow *vw, const gchar *path, GList *ignore_list)
1522 {
1523         ImageWindow *imd;
1524         const gchar *image_path;
1525
1526         imd = view_window_active_image(vw);
1527         image_path = image_get_path(imd);
1528
1529         if (image_path && strcmp(image_path, path) == 0)
1530                 {
1531                 if (vw->list)
1532                         {
1533                         view_list_step(vw, TRUE);
1534                         if (image_get_path(imd) == image_path)
1535                                 {
1536                                 view_list_step(vw, FALSE);
1537                                 }
1538                         }
1539                 else if (view_window_contains_collection(vw))
1540                         {
1541                         view_collection_step(vw, TRUE);
1542                         if (image_get_path(imd) == image_path)
1543                                 {
1544                                 view_collection_step(vw, FALSE);
1545                                 }
1546                         }
1547                 if (image_get_path(imd) == image_path)
1548                         {
1549                         image_change_path(imd, NULL, image_zoom_get_default(imd, zoom_mode));
1550                         }
1551                 }
1552
1553         if (vw->list)
1554                 {
1555                 GList *work;
1556                 GList *old;
1557
1558                 old = vw->list_pointer;
1559
1560                 work = vw->list;
1561                 while (work)
1562                         {
1563                         gchar *chk_path;
1564                         GList *chk_link;
1565
1566                         chk_path = work->data;
1567                         chk_link = work;
1568                         work = work->next;
1569
1570                         if (strcmp(chk_path, path) == 0)
1571                                 {
1572                                 if (vw->list_pointer == chk_link)
1573                                         {
1574                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1575                                         }
1576                                 vw->list = g_list_remove(vw->list, chk_path);
1577                                 g_free(chk_path);
1578                                 }
1579                         }
1580
1581                 /* handles stepping correctly when same image is in the list more than once */
1582                 if (old && old != vw->list_pointer)
1583                         {
1584                         gchar *path;
1585
1586                         if (vw->list_pointer)
1587                                 {
1588                                 path = vw->list_pointer->data;
1589                                 }
1590                         else
1591                                 {
1592                                 path = NULL;
1593                                 }
1594
1595                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1596                         }
1597                 }
1598
1599         if (vw->overlay_id != -1) image_overlay_update(imd, vw->overlay_id);
1600 }
1601
1602 static void view_real_moved(ViewWindow *vw, const gchar *source, const gchar *dest)
1603 {
1604         ImageWindow *imd;
1605         const gchar *image_path;
1606
1607         imd = view_window_active_image(vw);
1608         image_path = image_get_path(imd);
1609
1610         if (image_path && strcmp(image_path, source) == 0)
1611                 {
1612                 image_set_path(imd, dest);
1613                 }
1614
1615         if (vw->list)
1616                 {
1617                 GList *work;
1618                 work = vw->list;
1619                 while (work)
1620                         {
1621                         gchar *chk_path;
1622
1623                         chk_path = work->data;
1624
1625                         if (strcmp(chk_path, source) == 0)
1626                                 {
1627                                 work->data = g_strdup(dest);
1628                                 g_free(chk_path);
1629                                 }
1630
1631                         work = work->next;
1632                         }
1633                 }
1634 }
1635
1636 void view_window_maint_removed(const gchar *path, GList *ignore_list)
1637 {
1638         GList *work = view_window_list;
1639         while (work)
1640                 {
1641                 ViewWindow *vw = work->data;
1642                 work = work->next;
1643
1644                 view_real_removed(vw, path, ignore_list);
1645                 }
1646 }
1647
1648 void view_window_maint_moved(const gchar *source, const gchar *dest)
1649 {
1650         GList *work = view_window_list;
1651         while (work)
1652                 {
1653                 ViewWindow *vw = work->data;
1654                 work = work->next;
1655
1656                 view_real_moved(vw, source, dest);
1657                 }
1658 }
1659