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;
 330         GtkWidget *menu;
 331         gint x = 0;
 332         gint y = 0;
 333
 334         imd = view_window_active_image(vw);
 335
 336         stop_signal = TRUE;
 337         switch (event->keyval)
 338                 {
 339                 case GDK_Left: case GDK_KP_Left:
 340                         x -= 1;
 341                         break;
 342                 case GDK_Right: case GDK_KP_Right:
 343                         x += 1;
 344                         break;
 345                 case GDK_Up: case GDK_KP_Up:
 346                         y -= 1;
 347                         break;
 348                 case GDK_Down: case GDK_KP_Down:
 349                         y += 1;
 350                         break;
 351                 default:
 352                         stop_signal = FALSE;
 353                         break;
 354                 }
 355
 356         if (x != 0 || y!= 0)
 357                 {
 358                 if (event->state & GDK_SHIFT_MASK)
 359                         {
 360                         x *= 3;
 361                         y *= 3;
 362                         }
 363
 364                 keyboard_scroll_calc(&x, &y, event);
 365                 image_scroll(imd, x, y);
 366                 }
 367
 368         if (stop_signal) return stop_signal;
 369
 370         if (event->state & GDK_CONTROL_MASK)
 371                 {
 372                 gint n = -1;
 373
 374                 stop_signal = TRUE;
 375                 switch (event->keyval)
 376                         {
 377                         case '1':
 378                                 n = 0;
 379                                 break;
 380                         case '2':
 381                                 n = 1;
 382                                 break;
 383                         case '3':
 384                                 n = 2;
 385                                 break;
 386                         case '4':
 387                                 n = 3;
 388                                 break;
 389                         case '5':
 390                                 n = 4;
 391                                 break;
 392                         case '6':
 393                                 n = 5;
 394                                 break;
 395                         case '7':
 396                                 n = 6;
 397                                 break;
 398                         case '8':
 399                                 n = 7;
 400                                 break;
 401                         case '9':
 402                                 n = 8;
 403                                 break;
 404                         case '0':
 405                                 n = 9;
 406                                 break;
 407                         case 'C': case 'c':
 408                                 file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
 409                                 break;
 410                         case 'M': case 'm':
 411                                 file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
 412                                 break;
 413                         case 'R': case 'r':
 414                                 file_util_rename(image_get_path(imd), NULL, imd->widget);
 415                                 break;
 416                         case 'D': case 'd':
 417                                 file_util_delete(image_get_path(imd), NULL, imd->widget);
 418                                 break;
 419                         case 'P': case 'p':
 420                                 info_window_new(image_get_path(imd), NULL);
 421                                 break;
 422                         case 'W': case 'w':
 423                                 view_window_close(vw);
 424                                 break;
 425                         default:
 426                                 stop_signal = FALSE;
 427                                 break;
 428                         }
 429                 if (n != -1)
 430                         {
 431                         if (!editor_window_flag_set(n))
 432                                 {
 433                                 view_fullscreen_toggle(vw, TRUE);
 434                                 }
 435                         imd = view_window_active_image(vw);
 436                         start_editor_from_file(n, image_get_path(imd));
 437                         }
 438                 }
 439         else if (event->state & GDK_SHIFT_MASK)
 440                 {
 441                 stop_signal = TRUE;
 442                 switch (event->keyval)
 443                         {
 444                         case 'R': case 'r':
 445                                 image_alter(imd, ALTER_ROTATE_180);
 446                                 break;
 447                         case 'M': case 'm':
 448                                 image_alter(imd, ALTER_MIRROR);
 449                                 break;
 450                         case 'F': case 'f':
 451                                 image_alter(imd, ALTER_FLIP);
 452                                 break;
 453                         case 'G': case 'g':
 454                                 image_alter(imd, ALTER_DESATURATE);
 455                                 break;
 456                         default:
 457                                 stop_signal = FALSE;
 458                                 break;
 459                         }
 460                 }
 461         else
 462                 {
 463                 stop_signal = TRUE;
 464                 switch (event->keyval)
 465                         {
 466                         case GDK_Page_Up: case GDK_KP_Page_Up:
 467                         case GDK_BackSpace:
 468                         case 'B': case 'b':
 469                                 view_step_prev(vw);
 470                                 break;
 471                         case GDK_Page_Down: case GDK_KP_Page_Down:
 472                         case GDK_space:
 473                         case 'N': case 'n':
 474                                 view_step_next(vw);
 475                                 break;
 476                         case GDK_Home: case GDK_KP_Home:
 477                                 view_step_to_end(vw, FALSE);
 478                                 break;
 479                         case GDK_End: case GDK_KP_End:
 480                                 view_step_to_end(vw, TRUE);
 481                                 break;
 482                         case '+': case '=': case GDK_KP_Add:
 483                                 image_zoom_adjust(imd, get_zoom_increment());
 484                                 break;
 485                         case '-': case GDK_KP_Subtract:
 486                                 image_zoom_adjust(imd, -get_zoom_increment());
 487                                 break;
 488                         case 'X': case 'x': case GDK_KP_Multiply:
 489                                 image_zoom_set(imd, 0.0);
 490                                 break;
 491                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 492                                 image_zoom_set(imd, 1.0);
 493                                 break;
 494                         case '2':
 495                                 image_zoom_set(imd, 2.0);
 496                                 break;
 497                         case '3':
 498                                 image_zoom_set(imd, 3.0);
 499                                 break;
 500                         case '4':
 501                                 image_zoom_set(imd, 4.0);
 502                                 break;
 503                         case '7':
 504                                 image_zoom_set(imd, -4.0);
 505                                 break;
 506                         case '8':
 507                                 image_zoom_set(imd, -3.0);
 508                                 break;
 509                         case '9':
 510                                 image_zoom_set(imd, -2.0);
 511                                 break;
 512                         case 'W': case 'w':
 513                                 image_zoom_set_fill_geometry(imd, FALSE);
 514                                 break;
 515                         case 'H': case 'h':
 516                                 image_zoom_set_fill_geometry(imd, TRUE);
 517                                 break;
 518                         case 'R': case 'r':
 519                                 image_reload(imd);
 520                                 break;
 521                         case 'S': case 's':
 522                                 if (vw->ss)
 523                                         {
 524                                         view_slideshow_stop(vw);
 525                                         }
 526                                 else
 527                                         {
 528                                         view_slideshow_start(vw);
 529                                         }
 530                                 break;
 531                         case 'P': case 'p':
 532                                 slideshow_pause_toggle(vw->ss);
 533                                 break;
 534                         case 'F': case 'f':
 535                         case 'V': case 'v':
 536                         case GDK_F11:
 537                                 view_fullscreen_toggle(vw, FALSE);
 538                                 break;
 539                         case 'I': case 'i':
 540                                 view_overlay_toggle(vw);
 541                                 break;
 542                         case ']':
 543                                 image_alter(imd, ALTER_ROTATE_90);
 544                                 break;
 545                         case '[':
 546                                 image_alter(imd, ALTER_ROTATE_90_CC);
 547                                 break;
 548                         case GDK_Delete: case GDK_KP_Delete:
 549                                 if (enable_delete_key)
 550                                         {
 551                                         file_util_delete(image_get_path(imd), NULL, imd->widget);
 552                                         }
 553                                 break;
 554                         case GDK_Escape:
 555                                 if (vw->fs)
 556                                         {
 557                                         view_fullscreen_toggle(vw, TRUE);
 558                                         }
 559                                 else
 560                                         {
 561                                         view_window_close(vw);
 562                                         }
 563                                 break;
 564                         case GDK_Menu:
 565                         case GDK_F10:
 566                                 menu = view_popup_menu(vw);
 567                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 568                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 569                                 break;
 570                         default:
 571                                 stop_signal = FALSE;
 572                                 break;
 573                         }
 574                 }
 575
 576         return stop_signal;
 577 }
 578
 579 /*
 580  *-----------------------------------------------------------------------------
 581  * view window main routines
 582  *-----------------------------------------------------------------------------
 583  */
 584
 585 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 586                       gdouble x, gdouble y, guint state, gpointer data)
 587 {
 588         ViewWindow *vw = data;
 589         GtkWidget *menu;
 590
 591         switch (button)
 592                 {
 593                 case 1:
 594                         view_step_next(vw);
 595                         break;
 596                 case 2:
 597                         view_step_prev(vw);
 598                         break;
 599                 case 3:
 600                         menu = view_popup_menu(vw);
 601                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 602                         break;
 603                 default:
 604                         break;
 605                 }
 606 }
 607
 608 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 609                       gdouble x, gdouble y, guint state, gpointer data)
 610 {
 611         ViewWindow *vw = data;
 612
 613         if (state & GDK_CONTROL_MASK)
 614                 {
 615                 switch (direction)
 616                         {
 617                         case GDK_SCROLL_UP:
 618                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 619                                 break;
 620                         case GDK_SCROLL_DOWN:
 621                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 622                                 break;
 623                         default:
 624                                 break;
 625                         }
 626                 }
 627         else if ( (state & GDK_SHIFT_MASK) != (mousewheel_scrolls))
 628                 {
 629                 switch (direction)
 630                         {
 631                         case GDK_SCROLL_UP:
 632                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 633                                 break;
 634                         case GDK_SCROLL_DOWN:
 635                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 636                                 break;
 637                         case GDK_SCROLL_LEFT:
 638                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 639                                 break;
 640                         case GDK_SCROLL_RIGHT:
 641                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 642                                 break;
 643                         default:
 644                                 break;
 645                         }
 646                 }
 647         else
 648                 {
 649                 switch (direction)
 650                         {
 651                         case GDK_SCROLL_UP:
 652                                 view_step_prev(vw);
 653                                 break;
 654                         case GDK_SCROLL_DOWN:
 655                                 view_step_next(vw);
 656                                 break;
 657                         default:
 658                                 break;
 659                         }
 660                 }
 661 }
 662
 663 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 664 {
 665         image_set_button_func(imd, button_cb, vw);
 666         image_set_scroll_func(imd, scroll_cb, vw);
 667 }
 668
 669 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 670 {
 671         ViewWindow *vw = data;
 672
 673         vw->fs = NULL;
 674
 675         if (vw->ss) vw->ss->imd = vw->imd;
 676 }
 677
 678 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 679 {
 680         if (force_off && !vw->fs) return;
 681
 682         if (vw->fs)
 683                 {
 684                 fullscreen_stop(vw->fs);
 685
 686                 if (vw->overlay_id != -1) vw->overlay_id = image_overlay_info_enable(vw->imd);
 687                 }
 688         else
 689                 {
 690                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 691
 692                 view_image_set_buttons(vw, vw->fs->imd);
 693                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 694                                  G_CALLBACK(view_window_key_press_cb), vw);
 695
 696                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 697
 698                 if (vw->overlay_id != -1)
 699                         {
 700                         image_overlay_info_disable(vw->imd, vw->overlay_id);
 701                         vw->overlay_id = image_overlay_info_enable(vw->fs->imd);
 702                         }
 703                 }
 704 }
 705
 706 static void view_overlay_toggle(ViewWindow *vw)
 707 {
 708         ImageWindow *imd;
 709
 710         imd = view_window_active_image(vw);
 711
 712         if (vw->overlay_id == -1)
 713                 {
 714                 vw->overlay_id = image_overlay_info_enable(imd);
 715                 }
 716         else
 717                 {
 718                 image_overlay_info_disable(imd, vw->overlay_id);
 719                 vw->overlay_id = -1;
 720                 }
 721 }
 722
 723 static void view_slideshow_next(ViewWindow *vw)
 724 {
 725         if (vw->ss) slideshow_next(vw->ss);
 726 }
 727
 728 static void view_slideshow_prev(ViewWindow *vw)
 729 {
 730         if (vw->ss) slideshow_prev(vw->ss);
 731 }
 732
 733 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 734 {
 735         ViewWindow *vw = data;
 736
 737         vw->ss = NULL;
 738 }
 739
 740 static void view_slideshow_start(ViewWindow *vw)
 741 {
 742         if (!vw->ss)
 743                 {
 744                 CollectionData *cd;
 745                 CollectInfo *info;
 746
 747                 if (vw->list)
 748                         {
 749                         vw->ss = slideshow_start_from_path_list(view_window_active_image(vw),
 750                                                                 path_list_copy(vw->list),
 751                                                                 view_slideshow_stop_func, vw);
 752                         vw->list_pointer = NULL;
 753                         return;
 754                         }
 755
 756                 cd = image_get_collection(view_window_active_image(vw), &info);
 757                 if (cd && info)
 758                         {
 759                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 760                                                                  view_slideshow_stop_func, vw, info);
 761                         }
 762                 }
 763 }
 764
 765 static void view_slideshow_stop(ViewWindow *vw)
 766 {
 767         if (vw->ss) slideshow_free(vw->ss);
 768 }
 769
 770 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 771 {
 772         ViewWindow *vw = data;
 773
 774         view_window_list = g_list_remove(view_window_list, vw);
 775
 776         view_slideshow_stop(vw);
 777         fullscreen_stop(vw->fs);
 778
 779         path_list_free(vw->list);
 780         g_free(vw);
 781 }
 782
 783 static void view_window_close(ViewWindow *vw)
 784 {
 785         view_slideshow_stop(vw);
 786         view_fullscreen_toggle(vw, TRUE);
 787         gtk_widget_destroy(vw->window);
 788 }
 789
 790 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 791 {
 792         ViewWindow *vw = data;
 793
 794         view_window_close(vw);
 795         return TRUE;
 796 }
 797
 798 static ViewWindow *real_view_window_new(const gchar *path, GList *list, CollectionData *cd, CollectInfo *info)
 799 {
 800         ViewWindow *vw;
 801         GtkAllocation req_size;
 802         GdkGeometry geometry;
 803         gint w, h;
 804
 805         if (!path && !list && (!cd || !info)) return NULL;
 806
 807         vw = g_new0(ViewWindow, 1);
 808         vw->fs = NULL;
 809         vw->ss = NULL;
 810         vw->list = NULL;
 811         vw->list_pointer = NULL;
 812
 813         vw->overlay_id = -1;
 814
 815         vw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 816
 817         geometry.min_width = 8;
 818         geometry.min_height = 8;
 819         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 820
 821         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 822         gtk_window_set_title (GTK_WINDOW(vw->window), "GQview");
 823         gtk_window_set_wmclass(GTK_WINDOW(vw->window), "view", "GQview");
 824         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 825
 826         window_set_icon(vw->window, (const gchar **)view_xpm, NULL);
 827
 828         vw->imd = image_new(FALSE);
 829
 830         if (black_window_background) image_background_set_black(vw->imd, TRUE);
 831
 832         image_attach_window(vw->imd, vw->window, NULL, "GQview", TRUE);
 833
 834         image_auto_refresh(vw->imd, 0);
 835         image_top_window_set_sync(vw->imd, TRUE);
 836
 837         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 838         gtk_widget_show(vw->imd->widget);
 839
 840         view_window_dnd_init(vw);
 841
 842         view_image_set_buttons(vw, vw->imd);
 843
 844         g_signal_connect(G_OBJECT(vw->window), "destroy",
 845                          G_CALLBACK(view_window_destroy_cb), vw);
 846         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 847                          G_CALLBACK(view_window_delete_cb), vw);
 848         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 849                          G_CALLBACK(view_window_key_press_cb), vw);
 850         if (cd && info)
 851                 {
 852                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, zoom_mode));
 853                 if (enable_read_ahead)
 854                         {
 855                         CollectInfo * r_info = collection_next_by_info(cd, info);
 856                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 857                         if (r_info) image_prebuffer_set(vw->imd, r_info->path);
 858                         }
 859                 }
 860         else if (list)
 861                 {
 862                 view_window_set_list(vw, list);
 863                 vw->list_pointer = vw->list;
 864                 image_change_path(vw->imd, (gchar *)vw->list->data, image_zoom_get_default(NULL, zoom_mode));
 865
 866                 if (enable_read_ahead)
 867                         {
 868                         GList *work = vw->list->next;
 869                         if (work) image_prebuffer_set(vw->imd, (gchar *)work->data);
 870                         }
 871                 }
 872         else
 873                 {
 874                 image_change_path(vw->imd, path, image_zoom_get_default(NULL, zoom_mode));
 875                 }
 876
 877         if (image_zoom_get(vw->imd) == 0.0)
 878                 {
 879                 pixbuf_renderer_get_image_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 880                 }
 881         else
 882                 {
 883                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 884                 }
 885         if (limit_window_size)
 886                 {
 887                 gint mw = gdk_screen_width() * max_window_size / 100;
 888                 gint mh = gdk_screen_height() * max_window_size / 100;
 889
 890                 if (w > mw) w = mw;
 891                 if (h > mh) h = mh;
 892                 }
 893
 894         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 895         req_size.x = req_size.y = 0;
 896         req_size.width = w;
 897         req_size.height = h;
 898         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 899
 900         gtk_widget_set_size_request(vw->imd->pr, w, h);
 901
 902         gtk_widget_show(vw->window);
 903
 904         view_window_list = g_list_append(view_window_list, vw);
 905
 906         return vw;
 907 }
 908
 909 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 910 {
 911         CollectionData *cd = data;
 912
 913         collection_unref(cd);
 914 }
 915
 916 void view_window_new(const gchar *path)
 917 {
 918         if (file_extension_match(path, ".gqv"))
 919                 {
 920                 ViewWindow *vw;
 921                 CollectionData *cd;
 922                 CollectInfo *info;
 923
 924                 cd = collection_new(path);
 925                 if (collection_load(cd, path, FALSE))
 926                         {
 927                         info = collection_get_first(cd);
 928                         }
 929                 else
 930                         {
 931                         collection_unref(cd);
 932                         cd = NULL;
 933                         info = NULL;
 934                         }
 935                 vw = real_view_window_new(NULL, NULL, cd, info);
 936                 if (vw && cd)
 937                         {
 938                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 939                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 940                         }
 941                 }
 942         else if (isdir(path))
 943                 {
 944                 GList *list = NULL;
 945
 946                 if (path_list(path, &list, NULL))
 947                         {
 948                         list = path_list_sort(list);
 949                         list = path_list_filter(list, FALSE);
 950                         }
 951                 real_view_window_new(NULL, list, NULL, NULL);
 952                 path_list_free(list);
 953                 }
 954         else
 955                 {
 956                 real_view_window_new(path, NULL, NULL, NULL);
 957                 }
 958 }
 959
 960 void view_window_new_from_list(GList *list)
 961 {
 962         real_view_window_new(NULL, list, NULL, NULL);
 963 }
 964
 965 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 966 {
 967         real_view_window_new(NULL, NULL, cd, info);
 968 }
 969
 970 /*
 971  *-----------------------------------------------------------------------------
 972  * public
 973  *-----------------------------------------------------------------------------
 974  */
 975
 976 void view_window_colors_update(void)
 977 {
 978         GList *work;
 979
 980         work = view_window_list;
 981         while (work)
 982                 {
 983                 ViewWindow *vw = work->data;
 984                 work = work->next;
 985
 986                 image_background_set_black(vw->imd, black_window_background);
 987                 }
 988 }
 989
 990 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 991 {
 992         GList *work;
 993
 994         work = view_window_list;
 995         while (work)
 996                 {
 997                 ViewWindow *vw = work->data;
 998                 work = work->next;
 999
1000                 if (vw->imd == imd ||
1001                     (vw->fs && vw->fs->imd == imd))
1002                         {
1003                         if (vw->ss)
1004                                 {
1005                                 gint n;
1006                                 n = g_list_length(vw->ss->list_done);
1007                                 if (index) *index = n - 1;
1008                                 if (total) *total = n + g_list_length(vw->ss->list);
1009                                 }
1010                         else
1011                                 {
1012                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1013                                 if (total) *total = g_list_length(vw->list);
1014                                 }
1015                         return TRUE;
1016                         }
1017                 }
1018
1019         return FALSE;
1020 }
1021
1022 /*
1023  *-----------------------------------------------------------------------------
1024  * view window menu routines and callbacks
1025  *-----------------------------------------------------------------------------
1026  */
1027
1028 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1029 {
1030         ViewWindow *vw = data;
1031         CollectionData *cd;
1032         CollectInfo *info;
1033
1034         cd = image_get_collection(vw->imd, &info);
1035
1036         if (cd && info)
1037                 {
1038                 view_window_new_from_collection(cd, info);
1039                 }
1040         else
1041                 {
1042                 view_window_new(image_get_path(vw->imd));
1043                 }
1044 }
1045
1046 static void view_edit_cb(GtkWidget *widget, gpointer data)
1047 {
1048         ViewWindow *vw;
1049         ImageWindow *imd;
1050         gint n;
1051
1052         vw = submenu_item_get_data(widget);
1053         n = GPOINTER_TO_INT(data);
1054         if (!vw) return;
1055
1056         if (!editor_window_flag_set(n))
1057                 {
1058                 view_fullscreen_toggle(vw, TRUE);
1059                 }
1060
1061         imd = view_window_active_image(vw);
1062         start_editor_from_file(n, image_get_path(imd));
1063 }
1064
1065 static void view_alter_cb(GtkWidget *widget, gpointer data)
1066 {
1067         ViewWindow *vw;
1068         AlterType type;
1069
1070         vw = submenu_item_get_data(widget);
1071         type = GPOINTER_TO_INT(data);
1072
1073         if (!vw) return;
1074         image_alter(vw->imd, type);
1075 }
1076
1077 static void view_info_cb(GtkWidget *widget, gpointer data)
1078 {
1079         ViewWindow *vw = data;
1080         ImageWindow *imd;
1081
1082         imd = view_window_active_image(vw);
1083         info_window_new(image_get_path(imd), NULL);
1084 }
1085
1086 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1087 {
1088         ViewWindow *vw = data;
1089         ImageWindow *imd;
1090
1091         imd = view_window_active_image(vw);
1092         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1093 }
1094
1095 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1096 {
1097         ViewWindow *vw = data;
1098
1099         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1100 }
1101
1102 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1103 {
1104         ViewWindow *vw = data;
1105
1106         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1107 }
1108
1109 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1110 {
1111         ViewWindow *vw = data;
1112
1113         image_zoom_set(view_window_active_image(vw), 1.0);
1114 }
1115
1116 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1117 {
1118         ViewWindow *vw = data;
1119
1120         image_zoom_set(view_window_active_image(vw), 0.0);
1121 }
1122
1123 static void view_copy_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126         ImageWindow *imd;
1127
1128         imd = view_window_active_image(vw);
1129         file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
1130 }
1131
1132 static void view_move_cb(GtkWidget *widget, gpointer data)
1133 {
1134         ViewWindow *vw = data;
1135         ImageWindow *imd;
1136
1137         imd = view_window_active_image(vw);
1138         file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
1139 }
1140
1141 static void view_rename_cb(GtkWidget *widget, gpointer data)
1142 {
1143         ViewWindow *vw = data;
1144         ImageWindow *imd;
1145
1146         imd = view_window_active_image(vw);
1147         file_util_rename(image_get_path(imd), NULL, imd->widget);
1148 }
1149
1150 static void view_delete_cb(GtkWidget *widget, gpointer data)
1151 {
1152         ViewWindow *vw = data;
1153         ImageWindow *imd;
1154
1155         imd = view_window_active_image(vw);
1156         file_util_delete(image_get_path(imd), NULL, imd->widget);
1157 }
1158
1159 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1160 {
1161         ViewWindow *vw = data;
1162
1163         view_fullscreen_toggle(vw, FALSE);
1164 }
1165
1166 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1167 {
1168         ViewWindow *vw = data;
1169
1170         view_slideshow_start(vw);
1171 }
1172
1173 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176
1177         view_slideshow_stop(vw);
1178 }
1179
1180 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1181 {
1182         ViewWindow *vw = data;
1183
1184         slideshow_pause_toggle(vw->ss);
1185 }
1186
1187 static void view_close_cb(GtkWidget *widget, gpointer data)
1188 {
1189         ViewWindow *vw = data;
1190
1191         view_window_close(vw);
1192 }
1193
1194 static GtkWidget *view_popup_menu(ViewWindow *vw)
1195 {
1196         GtkWidget *menu;
1197         GtkWidget *item;
1198
1199         menu = popup_menu_short_lived();
1200
1201         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1202         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1203         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1204         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1205         menu_item_add_divider(menu);
1206
1207         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1208         menu_item_add_divider(item);
1209         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1210
1211         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1212
1213         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1214
1215         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1216
1217         menu_item_add_divider(menu);
1218         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1219         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1220         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1221         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1222
1223         menu_item_add_divider(menu);
1224
1225         if (vw->ss)
1226                 {
1227                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1228                 if (slideshow_paused(vw->ss))
1229                         {
1230                         item = menu_item_add(menu, _("Continue slides_how"),
1231                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1232                         }
1233                 else
1234                         {
1235                         item = menu_item_add(menu, _("Pause slides_how"),
1236                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1237                         }
1238                 }
1239         else
1240                 {
1241                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1242                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1243                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1244                 gtk_widget_set_sensitive(item, FALSE);
1245                 }
1246
1247         if (vw->fs)
1248                 {
1249                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1250                 }
1251         else
1252                 {
1253                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1254                 }
1255
1256         menu_item_add_divider(menu);
1257         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1258
1259         return menu;
1260 }
1261
1262 /*
1263  *-------------------------------------------------------------------
1264  * dnd confirm dir
1265  *-------------------------------------------------------------------
1266  */
1267
1268 typedef struct {
1269         ViewWindow *vw;
1270         GList *list;
1271 } CViewConfirmD;
1272
1273 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1274 {
1275         /* do nothing */
1276 }
1277
1278 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1279 {
1280         GList *work;
1281
1282         view_window_set_list(vw, NULL);
1283
1284         work = list;
1285         while (work)
1286                 {
1287                 gchar *path = work->data;
1288                 work = work->next;
1289
1290                 if (isdir(path))
1291                         {
1292                         if (!skip)
1293                                 {
1294                                 GList *list = NULL;
1295
1296                                 if (recurse)
1297                                         {
1298                                         list = path_list_recursive(path);
1299                                         }
1300                                 else
1301                                         {
1302                                         path_list(path, &list, NULL);
1303                                         list = path_list_sort(list);
1304                                         list = path_list_filter(list, FALSE);
1305                                         }
1306                                 if (list) vw->list = g_list_concat(vw->list, list);
1307                                 }
1308                         }
1309                 else
1310                         {
1311                         /* FIXME: no filtering here */
1312                         vw->list = g_list_append(vw->list, g_strdup(path));
1313                         }
1314                 }
1315
1316         if (vw->list)
1317                 {
1318                 gchar *path;
1319
1320                 vw->list_pointer = vw->list;
1321                 path = vw->list->data;
1322                 image_change_path(vw->imd, path, image_zoom_get_default(vw->imd, zoom_mode));
1323
1324                 work = vw->list->next;
1325                 if (enable_read_ahead && work)
1326                         {
1327                         path = work->data;
1328                         image_prebuffer_set(vw->imd, path);
1329                         }
1330                 }
1331         else
1332                 {
1333                 image_change_path(vw->imd, NULL, image_zoom_get_default(vw->imd, zoom_mode));
1334                 }
1335 }
1336
1337 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1338 {
1339         CViewConfirmD *d = data;
1340         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1341 }
1342
1343 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1344 {
1345         CViewConfirmD *d = data;
1346         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1347 }
1348
1349 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1350 {
1351         CViewConfirmD *d = data;
1352         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1353 }
1354
1355 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1356 {
1357         CViewConfirmD *d = data;
1358         path_list_free(d->list);
1359         g_free(d);
1360 }
1361
1362 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1363 {
1364         GtkWidget *menu;
1365         CViewConfirmD *d;
1366
1367         d = g_new(CViewConfirmD, 1);
1368         d->vw = vw;
1369         d->list = list;
1370
1371         menu = popup_menu_short_lived();
1372         g_signal_connect(G_OBJECT(menu), "destroy",
1373                          G_CALLBACK(view_dir_list_destroy), d);
1374
1375         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1376         menu_item_add_divider(menu);
1377         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1378         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1379         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1380         menu_item_add_divider(menu);
1381         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1382
1383         return menu;
1384 }
1385
1386 /*
1387  *-----------------------------------------------------------------------------
1388  * image drag and drop routines
1389  *-----------------------------------------------------------------------------
1390  */
1391
1392 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1393                                      gint x, gint y,
1394                                      GtkSelectionData *selection_data, guint info,
1395                                      guint time, gpointer data)
1396 {
1397         ViewWindow *vw = data;
1398         ImageWindow *imd;
1399
1400         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1401
1402         imd = vw->imd;
1403
1404         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1405                 {
1406                 CollectionData *source;
1407                 GList *list;
1408                 GList *info_list;
1409
1410                 if (info == TARGET_URI_LIST)
1411                         {
1412                         GList *work;
1413
1414                         list = uri_list_from_text((gchar *)selection_data->data, TRUE);
1415
1416                         work = list;
1417                         while (work)
1418                                 {
1419                                 if (isdir((gchar *)work->data))
1420                                         {
1421                                         GtkWidget *menu;
1422                                         menu = view_confirm_dir_list(vw, list);
1423                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1424                                         return;
1425                                         }
1426                                 work = work->next;
1427                                 }
1428
1429                         list = path_list_filter(list, FALSE);
1430
1431                         source = NULL;
1432                         info_list = NULL;
1433                         }
1434                 else
1435                         {
1436                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1437                         }
1438
1439                 if (list)
1440                         {
1441                         gchar *path;
1442
1443                         path = list->data;
1444                         if (isfile(path))
1445                                 {
1446                                 view_slideshow_stop(vw);
1447                                 view_window_set_list(vw, NULL);
1448
1449                                 if (source && info_list)
1450                                         {
1451                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, zoom_mode));
1452                                         }
1453                                 else
1454                                         {
1455                                         if (list->next)
1456                                                 {
1457                                                 vw->list = list;
1458                                                 list = NULL;
1459
1460                                                 vw->list_pointer = vw->list;
1461                                                 }
1462                                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1463                                         }
1464                                 }
1465                         }
1466                 path_list_free(list);
1467                 g_list_free(info_list);
1468                 }
1469 }
1470
1471 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1472                                      GtkSelectionData *selection_data, guint info,
1473                                      guint time, gpointer data)
1474 {
1475         ViewWindow *vw = data;
1476         const gchar *path;
1477
1478         path = image_get_path(vw->imd);
1479
1480         if (path)
1481                 {
1482                 gchar *text = NULL;
1483                 gint len;
1484                 gint plain_text;
1485                 GList *list;
1486
1487                 switch (info)
1488                         {
1489                         case TARGET_URI_LIST:
1490                                 plain_text = FALSE;
1491                                 break;
1492                         case TARGET_TEXT_PLAIN:
1493                         default:
1494                                 plain_text = TRUE;
1495                                 break;
1496                         }
1497                 list = g_list_append(NULL, (gchar *)path);
1498                 text = uri_text_from_list(list, &len, plain_text);
1499                 g_list_free(list);
1500                 if (text)
1501                         {
1502                         gtk_selection_data_set (selection_data, selection_data->target,
1503                                                 8, (guchar *)text, len);
1504                         g_free(text);
1505                         }
1506                 }
1507         else
1508                 {
1509                 gtk_selection_data_set (selection_data, selection_data->target,
1510                                         8, NULL, 0);
1511                 }
1512 }
1513
1514 static void view_window_dnd_init(ViewWindow *vw)
1515 {
1516         ImageWindow *imd;
1517
1518         imd = vw->imd;
1519
1520         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1521                             dnd_file_drag_types, dnd_file_drag_types_count,
1522                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1523         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1524                          G_CALLBACK(view_window_set_dnd_data), vw);
1525
1526         gtk_drag_dest_set(imd->pr,
1527                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1528                           dnd_file_drop_types, dnd_file_drop_types_count,
1529                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1530         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1531                          G_CALLBACK(view_window_get_dnd_data), vw);
1532 }
1533
1534 /*
1535  *-----------------------------------------------------------------------------
1536  * maintenance (for rename, move, remove)
1537  *-----------------------------------------------------------------------------
1538  */
1539
1540 static void view_real_removed(ViewWindow *vw, const gchar *path, GList *ignore_list)
1541 {
1542         ImageWindow *imd;
1543         const gchar *image_path;
1544
1545         imd = view_window_active_image(vw);
1546         image_path = image_get_path(imd);
1547
1548         if (image_path && strcmp(image_path, path) == 0)
1549                 {
1550                 if (vw->list)
1551                         {
1552                         view_list_step(vw, TRUE);
1553                         if (image_get_path(imd) == image_path)
1554                                 {
1555                                 view_list_step(vw, FALSE);
1556                                 }
1557                         }
1558                 else if (view_window_contains_collection(vw))
1559                         {
1560                         view_collection_step(vw, TRUE);
1561                         if (image_get_path(imd) == image_path)
1562                                 {
1563                                 view_collection_step(vw, FALSE);
1564                                 }
1565                         }
1566                 if (image_get_path(imd) == image_path)
1567                         {
1568                         image_change_path(imd, NULL, image_zoom_get_default(imd, zoom_mode));
1569                         }
1570                 }
1571
1572         if (vw->list)
1573                 {
1574                 GList *work;
1575                 GList *old;
1576
1577                 old = vw->list_pointer;
1578
1579                 work = vw->list;
1580                 while (work)
1581                         {
1582                         gchar *chk_path;
1583                         GList *chk_link;
1584
1585                         chk_path = work->data;
1586                         chk_link = work;
1587                         work = work->next;
1588
1589                         if (strcmp(chk_path, path) == 0)
1590                                 {
1591                                 if (vw->list_pointer == chk_link)
1592                                         {
1593                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1594                                         }
1595                                 vw->list = g_list_remove(vw->list, chk_path);
1596                                 g_free(chk_path);
1597                                 }
1598                         }
1599
1600                 /* handles stepping correctly when same image is in the list more than once */
1601                 if (old && old != vw->list_pointer)
1602                         {
1603                         gchar *path;
1604
1605                         if (vw->list_pointer)
1606                                 {
1607                                 path = vw->list_pointer->data;
1608                                 }
1609                         else
1610                                 {
1611                                 path = NULL;
1612                                 }
1613
1614                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1615                         }
1616                 }
1617
1618         if (vw->overlay_id != -1) image_overlay_update(imd, vw->overlay_id);
1619 }
1620
1621 static void view_real_moved(ViewWindow *vw, const gchar *source, const gchar *dest)
1622 {
1623         ImageWindow *imd;
1624         const gchar *image_path;
1625
1626         imd = view_window_active_image(vw);
1627         image_path = image_get_path(imd);
1628
1629         if (image_path && strcmp(image_path, source) == 0)
1630                 {
1631                 image_set_path(imd, dest);
1632                 }
1633
1634         if (vw->list)
1635                 {
1636                 GList *work;
1637                 work = vw->list;
1638                 while (work)
1639                         {
1640                         gchar *chk_path;
1641
1642                         chk_path = work->data;
1643
1644                         if (strcmp(chk_path, source) == 0)
1645                                 {
1646                                 work->data = g_strdup(dest);
1647                                 g_free(chk_path);
1648                                 }
1649
1650                         work = work->next;
1651                         }
1652                 }
1653 }
1654
1655 void view_window_maint_removed(const gchar *path, GList *ignore_list)
1656 {
1657         GList *work = view_window_list;
1658         while (work)
1659                 {
1660                 ViewWindow *vw = work->data;
1661                 work = work->next;
1662
1663                 view_real_removed(vw, path, ignore_list);
1664                 }
1665 }
1666
1667 void view_window_maint_moved(const gchar *source, const gchar *dest)
1668 {
1669         GList *work = view_window_list;
1670         while (work)
1671                 {
1672                 ViewWindow *vw = work->data;
1673                 work = work->next;
1674
1675                 view_real_moved(vw, source, dest);
1676                 }
1677 }
1678