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 "pixbuf_util.h"
  28 #include "slideshow.h"
  29 #include "utilops.h"
  30 #include "ui_bookmark.h"
  31 #include "ui_fileops.h"
  32 #include "ui_menu.h"
  33
  34 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  35
  36
  37 typedef struct _ViewWindow ViewWindow;
  38 struct _ViewWindow
  39 {
  40         GtkWidget *window;
  41         ImageWindow *imd;
  42         FullScreenData *fs;
  43         SlideShowData *ss;
  44
  45         GList *list;
  46         GList *list_pointer;
  47
  48         gint overlay_id;
  49 };
  50
  51
  52 static GList *view_window_list = NULL;
  53
  54
  55 static GtkWidget *view_popup_menu(ViewWindow *vw);
  56 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off);
  57 static void view_overlay_toggle(ViewWindow *vw);
  58
  59 static void view_slideshow_next(ViewWindow *vw);
  60 static void view_slideshow_prev(ViewWindow *vw);
  61 static void view_slideshow_start(ViewWindow *vw);
  62 static void view_slideshow_stop(ViewWindow *vw);
  63
  64 static void view_window_close(ViewWindow *vw);
  65
  66 static void view_window_dnd_init(ViewWindow *vw);
  67
  68
  69 /*
  70  *-----------------------------------------------------------------------------
  71  * misc
  72  *-----------------------------------------------------------------------------
  73  */
  74
  75 static ImageWindow *view_window_active_image(ViewWindow *vw)
  76 {
  77         if (vw->fs) return vw->fs->imd;
  78
  79         return vw->imd;
  80 }
  81
  82 static void view_window_set_list(ViewWindow *vw, GList *list)
  83 {
  84
  85         path_list_free(vw->list);
  86         vw->list = NULL;
  87         vw->list_pointer = NULL;
  88
  89         vw->list = path_list_copy(list);
  90 }
  91
  92 static gint view_window_contains_collection(ViewWindow *vw)
  93 {
  94         CollectionData *cd;
  95         CollectInfo *info;
  96
  97         cd = image_get_collection(view_window_active_image(vw), &info);
  98
  99         return (cd && info);
 100 }
 101
 102 static void view_collection_step(ViewWindow *vw, gint next)
 103 {
 104         ImageWindow *imd = view_window_active_image(vw);
 105         CollectionData *cd;
 106         CollectInfo *info;
 107         CollectInfo *read_ahead_info = NULL;
 108
 109         cd = image_get_collection(imd, &info);
 110
 111         if (!cd || !info) return;
 112
 113         if (next)
 114                 {
 115                 info = collection_next_by_info(cd, info);
 116                 if (enable_read_ahead)
 117                         {
 118                         read_ahead_info = collection_next_by_info(cd, info);
 119                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 120                         }
 121                 }
 122         else
 123                 {
 124                 info = collection_prev_by_info(cd, info);
 125                 if (enable_read_ahead)
 126                         {
 127                         read_ahead_info = collection_prev_by_info(cd, info);
 128                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 129                         }
 130                 }
 131
 132         if (info)
 133                 {
 134                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, zoom_mode));
 135
 136                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->path);
 137                 }
 138
 139 }
 140
 141 static void view_collection_step_to_end(ViewWindow *vw, gint last)
 142 {
 143         ImageWindow *imd = view_window_active_image(vw);
 144         CollectionData *cd;
 145         CollectInfo *info;
 146         CollectInfo *read_ahead_info = NULL;
 147
 148         cd = image_get_collection(imd, &info);
 149
 150         if (!cd || !info) return;
 151
 152         if (last)
 153                 {
 154                 info = collection_get_last(cd);
 155                 if (enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 156                 }
 157         else
 158                 {
 159                 info = collection_get_first(cd);
 160                 if (enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 161                 }
 162
 163         if (info)
 164                 {
 165                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd, zoom_mode));
 166                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->path);
 167                 }
 168 }
 169
 170 static void view_list_step(ViewWindow *vw, gint next)
 171 {
 172         ImageWindow *imd = view_window_active_image(vw);
 173         const gchar *path;
 174         GList *work;
 175         GList *work_ahead;
 176
 177         if (!vw->list) return;
 178
 179         path = image_get_path(imd);
 180         if (!path) return;
 181
 182         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 183                 {
 184                 work = vw->list_pointer;
 185                 }
 186         else
 187                 {
 188                 gint found = FALSE;
 189
 190                 work = vw->list;
 191                 while (work && !found)
 192                         {
 193                         gchar *temp;
 194
 195                         temp = work->data;
 196
 197                         if (strcmp(path, temp) == 0)
 198                                 {
 199                                 found = TRUE;
 200                                 }
 201                         else
 202                                 {
 203                                 work = work->next;
 204                                 }
 205                         }
 206                 }
 207         if (!work) return;
 208
 209         work_ahead = NULL;
 210         if (next)
 211                 {
 212                 work = work->next;
 213                 if (work) work_ahead = work->next;
 214                 }
 215         else
 216                 {
 217                 work = work->prev;
 218                 if (work) work_ahead = work->prev;
 219                 }
 220         if (!work) return;
 221
 222         vw->list_pointer = work;
 223         path = work->data;
 224         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
 225
 226         if (enable_read_ahead && work_ahead)
 227                 {
 228                 const gchar *next_path = work_ahead->data;
 229                 image_prebuffer_set(imd, next_path);
 230                 }
 231 }
 232
 233 static void view_list_step_to_end(ViewWindow *vw, gint last)
 234 {
 235         ImageWindow *imd = view_window_active_image(vw);
 236         const gchar *path;
 237         GList *work;
 238         GList *work_ahead;
 239
 240         if (!vw->list) return;
 241
 242         if (last)
 243                 {
 244                 work = g_list_last(vw->list);
 245                 work_ahead = work->prev;
 246                 }
 247         else
 248                 {
 249                 work = vw->list;
 250                 work_ahead = work->next;
 251                 }
 252
 253         vw->list_pointer = work;
 254         path = work->data;
 255         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
 256
 257         if (enable_read_ahead && work_ahead)
 258                 {
 259                 const gchar *next_path = work_ahead->data;
 260                 image_prebuffer_set(imd, next_path);
 261                 }
 262 }
 263
 264 static void view_step_next(ViewWindow *vw)
 265 {
 266         if (vw->ss)
 267                 {
 268                 view_slideshow_next(vw);
 269                 }
 270         else if (vw->list)
 271                 {
 272                 view_list_step(vw, TRUE);
 273                 }
 274         else
 275                 {
 276                 view_collection_step(vw, TRUE);
 277                 }
 278 }
 279
 280 static void view_step_prev(ViewWindow *vw)
 281 {
 282         if (vw->ss)
 283                 {
 284                 view_slideshow_prev(vw);
 285                 }
 286         else if (vw->list)
 287                 {
 288                 view_list_step(vw, FALSE);
 289                 }
 290         else
 291                 {
 292                 view_collection_step(vw, FALSE);
 293                 }
 294 }
 295
 296 static void view_step_to_end(ViewWindow *vw, gint last)
 297 {
 298         if (vw->list)
 299                 {
 300                 view_list_step_to_end(vw, last);
 301                 }
 302         else
 303                 {
 304                 view_collection_step_to_end(vw, last);
 305                 }
 306 }
 307
 308 /*
 309  *-----------------------------------------------------------------------------
 310  * view window keyboard
 311  *-----------------------------------------------------------------------------
 312  */
 313
 314 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 315 {
 316         ViewWindow *vw = data;
 317         ImageWindow *imd;
 318
 319         imd = view_window_active_image(vw);
 320         gdk_window_get_origin(imd->pr->window, x, y);
 321         popup_menu_position_clamp(menu, x, y, 0);
 322 }
 323
 324 static gint view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 325 {
 326         ViewWindow *vw = data;
 327         ImageWindow *imd;
 328         gint stop_signal;
 329         GtkWidget *menu;
 330         gint x = 0;
 331         gint y = 0;
 332
 333         imd = view_window_active_image(vw);
 334
 335         stop_signal = TRUE;
 336         switch (event->keyval)
 337                 {
 338                 case GDK_Left: case GDK_KP_Left:
 339                         x -= 1;
 340                         break;
 341                 case GDK_Right: case GDK_KP_Right:
 342                         x += 1;
 343                         break;
 344                 case GDK_Up: case GDK_KP_Up:
 345                         y -= 1;
 346                         break;
 347                 case GDK_Down: case GDK_KP_Down:
 348                         y += 1;
 349                         break;
 350                 default:
 351                         stop_signal = FALSE;
 352                         break;
 353                 }
 354
 355         if (x != 0 || y!= 0)
 356                 {
 357                 if (event->state & GDK_SHIFT_MASK)
 358                         {
 359                         x *= 3;
 360                         y *= 3;
 361                         }
 362
 363                 keyboard_scroll_calc(&x, &y, event);
 364                 image_scroll(imd, x, y);
 365                 }
 366
 367         if (stop_signal) return stop_signal;
 368
 369         if (event->state & GDK_CONTROL_MASK)
 370                 {
 371                 gint n = -1;
 372
 373                 stop_signal = TRUE;
 374                 switch (event->keyval)
 375                         {
 376                         case '1':
 377                                 n = 0;
 378                                 break;
 379                         case '2':
 380                                 n = 1;
 381                                 break;
 382                         case '3':
 383                                 n = 2;
 384                                 break;
 385                         case '4':
 386                                 n = 3;
 387                                 break;
 388                         case '5':
 389                                 n = 4;
 390                                 break;
 391                         case '6':
 392                                 n = 5;
 393                                 break;
 394                         case '7':
 395                                 n = 6;
 396                                 break;
 397                         case '8':
 398                                 n = 7;
 399                                 break;
 400                         case '9':
 401                                 n = 8;
 402                                 break;
 403                         case '0':
 404                                 n = 9;
 405                                 break;
 406                         case 'C': case 'c':
 407                                 file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
 408                                 break;
 409                         case 'M': case 'm':
 410                                 file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
 411                                 break;
 412                         case 'R': case 'r':
 413                                 file_util_rename(image_get_path(imd), NULL, imd->widget);
 414                                 break;
 415                         case 'D': case 'd':
 416                                 file_util_delete(image_get_path(imd), NULL, imd->widget);
 417                                 break;
 418                         case 'P': case 'p':
 419                                 info_window_new(image_get_path(imd), NULL);
 420                                 break;
 421                         case 'W': case 'w':
 422                                 view_window_close(vw);
 423                                 break;
 424                         default:
 425                                 stop_signal = FALSE;
 426                                 break;
 427                         }
 428                 if (n != -1)
 429                         {
 430                         if (!editor_window_flag_set(n))
 431                                 {
 432                                 view_fullscreen_toggle(vw, TRUE);
 433                                 }
 434                         imd = view_window_active_image(vw);
 435                         start_editor_from_file(n, image_get_path(imd));
 436                         }
 437                 }
 438         else if (event->state & GDK_SHIFT_MASK)
 439                 {
 440                 stop_signal = TRUE;
 441                 switch (event->keyval)
 442                         {
 443                         case 'R': case 'r':
 444                                 image_alter(imd, ALTER_ROTATE_180);
 445                                 break;
 446                         case 'M': case 'm':
 447                                 image_alter(imd, ALTER_MIRROR);
 448                                 break;
 449                         case 'F': case 'f':
 450                                 image_alter(imd, ALTER_FLIP);
 451                                 break;
 452                         case 'G': case 'g':
 453                                 image_alter(imd, ALTER_DESATURATE);
 454                                 break;
 455                         default:
 456                                 stop_signal = FALSE;
 457                                 break;
 458                         }
 459                 }
 460         else
 461                 {
 462                 stop_signal = TRUE;
 463                 switch (event->keyval)
 464                         {
 465                         case GDK_Page_Up: case GDK_KP_Page_Up:
 466                         case GDK_BackSpace:
 467                         case 'B': case 'b':
 468                                 view_step_prev(vw);
 469                                 break;
 470                         case GDK_Page_Down: case GDK_KP_Page_Down:
 471                         case GDK_space:
 472                         case 'N': case 'n':
 473                                 view_step_next(vw);
 474                                 break;
 475                         case GDK_Home: case GDK_KP_Home:
 476                                 view_step_to_end(vw, FALSE);
 477                                 break;
 478                         case GDK_End: case GDK_KP_End:
 479                                 view_step_to_end(vw, TRUE);
 480                                 break;
 481                         case '+': case '=': case GDK_KP_Add:
 482                                 image_zoom_adjust(imd, get_zoom_increment());
 483                                 break;
 484                         case '-': case GDK_KP_Subtract:
 485                                 image_zoom_adjust(imd, -get_zoom_increment());
 486                                 break;
 487                         case 'X': case 'x': case GDK_KP_Multiply:
 488                                 image_zoom_set(imd, 0.0);
 489                                 break;
 490                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 491                                 image_zoom_set(imd, 1.0);
 492                                 break;
 493                         case '2':
 494                                 image_zoom_set(imd, 2.0);
 495                                 break;
 496                         case '3':
 497                                 image_zoom_set(imd, 3.0);
 498                                 break;
 499                         case '4':
 500                                 image_zoom_set(imd, 4.0);
 501                                 break;
 502                         case '7':
 503                                 image_zoom_set(imd, -4.0);
 504                                 break;
 505                         case '8':
 506                                 image_zoom_set(imd, -3.0);
 507                                 break;
 508                         case '9':
 509                                 image_zoom_set(imd, -2.0);
 510                                 break;
 511                         case 'W': case 'w':
 512                                 image_zoom_set_fill_geometry(imd, FALSE);
 513                                 break;
 514                         case 'H': case 'h':
 515                                 image_zoom_set_fill_geometry(imd, TRUE);
 516                                 break;
 517                         case 'R': case 'r':
 518                                 image_reload(imd);
 519                                 break;
 520                         case 'S': case 's':
 521                                 if (vw->ss)
 522                                         {
 523                                         view_slideshow_stop(vw);
 524                                         }
 525                                 else
 526                                         {
 527                                         view_slideshow_start(vw);
 528                                         }
 529                                 break;
 530                         case 'P': case 'p':
 531                                 slideshow_pause_toggle(vw->ss);
 532                                 break;
 533                         case 'F': case 'f':
 534                         case 'V': case 'v':
 535                         case GDK_F11:
 536                                 view_fullscreen_toggle(vw, FALSE);
 537                                 break;
 538                         case 'I': case 'i':
 539                                 view_overlay_toggle(vw);
 540                                 break;
 541                         case ']':
 542                                 image_alter(imd, ALTER_ROTATE_90);
 543                                 break;
 544                         case '[':
 545                                 image_alter(imd, ALTER_ROTATE_90_CC);
 546                                 break;
 547                         case GDK_Delete: case GDK_KP_Delete:
 548                                 if (enable_delete_key)
 549                                         {
 550                                         file_util_delete(image_get_path(imd), NULL, imd->widget);
 551                                         }
 552                                 break;
 553                         case GDK_Escape:
 554                                 if (vw->fs)
 555                                         {
 556                                         view_fullscreen_toggle(vw, TRUE);
 557                                         }
 558                                 else
 559                                         {
 560                                         view_window_close(vw);
 561                                         }
 562                                 break;
 563                         case GDK_Menu:
 564                         case GDK_F10:
 565                                 menu = view_popup_menu(vw);
 566                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 567                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 568                                 break;
 569                         default:
 570                                 stop_signal = FALSE;
 571                                 break;
 572                         }
 573                 }
 574
 575         return stop_signal;
 576 }
 577
 578 /*
 579  *-----------------------------------------------------------------------------
 580  * view window main routines
 581  *-----------------------------------------------------------------------------
 582  */
 583
 584 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 585                       gdouble x, gdouble y, guint state, gpointer data)
 586 {
 587         ViewWindow *vw = data;
 588         GtkWidget *menu;
 589
 590         switch (button)
 591                 {
 592                 case 1:
 593                         view_step_next(vw);
 594                         break;
 595                 case 2:
 596                         view_step_prev(vw);
 597                         break;
 598                 case 3:
 599                         menu = view_popup_menu(vw);
 600                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 601                         break;
 602                 default:
 603                         break;
 604                 }
 605 }
 606
 607 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 608                       gdouble x, gdouble y, guint state, gpointer data)
 609 {
 610         ViewWindow *vw = data;
 611
 612         if (state & GDK_CONTROL_MASK)
 613                 {
 614                 switch (direction)
 615                         {
 616                         case GDK_SCROLL_UP:
 617                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 618                                 break;
 619                         case GDK_SCROLL_DOWN:
 620                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 621                                 break;
 622                         default:
 623                                 break;
 624                         }
 625                 }
 626         else if ( (state & GDK_SHIFT_MASK) != (mousewheel_scrolls))
 627                 {
 628                 switch (direction)
 629                         {
 630                         case GDK_SCROLL_UP:
 631                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 632                                 break;
 633                         case GDK_SCROLL_DOWN:
 634                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 635                                 break;
 636                         case GDK_SCROLL_LEFT:
 637                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 638                                 break;
 639                         case GDK_SCROLL_RIGHT:
 640                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 641                                 break;
 642                         default:
 643                                 break;
 644                         }
 645                 }
 646         else
 647                 {
 648                 switch (direction)
 649                         {
 650                         case GDK_SCROLL_UP:
 651                                 view_step_prev(vw);
 652                                 break;
 653                         case GDK_SCROLL_DOWN:
 654                                 view_step_next(vw);
 655                                 break;
 656                         default:
 657                                 break;
 658                         }
 659                 }
 660 }
 661
 662 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 663 {
 664         image_set_button_func(imd, button_cb, vw);
 665         image_set_scroll_func(imd, scroll_cb, vw);
 666 }
 667
 668 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 669 {
 670         ViewWindow *vw = data;
 671
 672         vw->fs = NULL;
 673
 674         if (vw->ss) vw->ss->imd = vw->imd;
 675 }
 676
 677 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 678 {
 679         if (force_off && !vw->fs) return;
 680
 681         if (vw->fs)
 682                 {
 683                 fullscreen_stop(vw->fs);
 684
 685                 if (vw->overlay_id != -1) vw->overlay_id = image_overlay_info_enable(vw->imd);
 686                 }
 687         else
 688                 {
 689                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 690
 691                 view_image_set_buttons(vw, vw->fs->imd);
 692                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 693                                  G_CALLBACK(view_window_key_press_cb), vw);
 694
 695                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 696
 697                 if (vw->overlay_id != -1)
 698                         {
 699                         image_overlay_info_disable(vw->imd, vw->overlay_id);
 700                         vw->overlay_id = image_overlay_info_enable(vw->fs->imd);
 701                         }
 702                 }
 703 }
 704
 705 static void view_overlay_toggle(ViewWindow *vw)
 706 {
 707         ImageWindow *imd;
 708
 709         imd = view_window_active_image(vw);
 710
 711         if (vw->overlay_id == -1)
 712                 {
 713                 vw->overlay_id = image_overlay_info_enable(imd);
 714                 }
 715         else
 716                 {
 717                 image_overlay_info_disable(imd, vw->overlay_id);
 718                 vw->overlay_id = -1;
 719                 }
 720 }
 721
 722 static void view_slideshow_next(ViewWindow *vw)
 723 {
 724         if (vw->ss) slideshow_next(vw->ss);
 725 }
 726
 727 static void view_slideshow_prev(ViewWindow *vw)
 728 {
 729         if (vw->ss) slideshow_prev(vw->ss);
 730 }
 731
 732 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 733 {
 734         ViewWindow *vw = data;
 735
 736         vw->ss = NULL;
 737 }
 738
 739 static void view_slideshow_start(ViewWindow *vw)
 740 {
 741         if (!vw->ss)
 742                 {
 743                 CollectionData *cd;
 744                 CollectInfo *info;
 745
 746                 if (vw->list)
 747                         {
 748                         vw->ss = slideshow_start_from_path_list(view_window_active_image(vw),
 749                                                                 path_list_copy(vw->list),
 750                                                                 view_slideshow_stop_func, vw);
 751                         vw->list_pointer = NULL;
 752                         return;
 753                         }
 754
 755                 cd = image_get_collection(view_window_active_image(vw), &info);
 756                 if (cd && info)
 757                         {
 758                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 759                                                                  view_slideshow_stop_func, vw, info);
 760                         }
 761                 }
 762 }
 763
 764 static void view_slideshow_stop(ViewWindow *vw)
 765 {
 766         if (vw->ss) slideshow_free(vw->ss);
 767 }
 768
 769 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 770 {
 771         ViewWindow *vw = data;
 772
 773         view_window_list = g_list_remove(view_window_list, vw);
 774
 775         view_slideshow_stop(vw);
 776         fullscreen_stop(vw->fs);
 777
 778         path_list_free(vw->list);
 779         g_free(vw);
 780 }
 781
 782 static void view_window_close(ViewWindow *vw)
 783 {
 784         view_slideshow_stop(vw);
 785         view_fullscreen_toggle(vw, TRUE);
 786         gtk_widget_destroy(vw->window);
 787 }
 788
 789 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 790 {
 791         ViewWindow *vw = data;
 792
 793         view_window_close(vw);
 794         return TRUE;
 795 }
 796
 797 static ViewWindow *real_view_window_new(const gchar *path, GList *list, CollectionData *cd, CollectInfo *info)
 798 {
 799         ViewWindow *vw;
 800         GtkAllocation req_size;
 801         GdkGeometry geometry;
 802         gint w, h;
 803
 804         if (!path && !list && (!cd || !info)) return NULL;
 805
 806         vw = g_new0(ViewWindow, 1);
 807         vw->fs = NULL;
 808         vw->ss = NULL;
 809         vw->list = NULL;
 810         vw->list_pointer = NULL;
 811
 812         vw->overlay_id = -1;
 813
 814         vw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 815
 816         geometry.min_width = 8;
 817         geometry.min_height = 8;
 818         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 819
 820         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 821         gtk_window_set_title (GTK_WINDOW(vw->window), "GQview");
 822         gtk_window_set_wmclass(GTK_WINDOW(vw->window), "view", "GQview");
 823         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 824
 825         window_set_icon(vw->window, PIXBUF_INLINE_ICON_VIEW, NULL);
 826
 827         vw->imd = image_new(FALSE);
 828
 829         if (black_window_background) image_background_set_black(vw->imd, TRUE);
 830
 831         image_attach_window(vw->imd, vw->window, NULL, "GQview", TRUE);
 832
 833         image_auto_refresh(vw->imd, 0);
 834         image_top_window_set_sync(vw->imd, TRUE);
 835
 836         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 837         gtk_widget_show(vw->imd->widget);
 838
 839         view_window_dnd_init(vw);
 840
 841         view_image_set_buttons(vw, vw->imd);
 842
 843         g_signal_connect(G_OBJECT(vw->window), "destroy",
 844                          G_CALLBACK(view_window_destroy_cb), vw);
 845         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 846                          G_CALLBACK(view_window_delete_cb), vw);
 847         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 848                          G_CALLBACK(view_window_key_press_cb), vw);
 849         if (cd && info)
 850                 {
 851                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, zoom_mode));
 852                 if (enable_read_ahead)
 853                         {
 854                         CollectInfo * r_info = collection_next_by_info(cd, info);
 855                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 856                         if (r_info) image_prebuffer_set(vw->imd, r_info->path);
 857                         }
 858                 }
 859         else if (list)
 860                 {
 861                 view_window_set_list(vw, list);
 862                 vw->list_pointer = vw->list;
 863                 image_change_path(vw->imd, (gchar *)vw->list->data, image_zoom_get_default(NULL, zoom_mode));
 864
 865                 if (enable_read_ahead)
 866                         {
 867                         GList *work = vw->list->next;
 868                         if (work) image_prebuffer_set(vw->imd, (gchar *)work->data);
 869                         }
 870                 }
 871         else
 872                 {
 873                 image_change_path(vw->imd, path, image_zoom_get_default(NULL, zoom_mode));
 874                 }
 875
 876         if (image_zoom_get(vw->imd) == 0.0)
 877                 {
 878                 pixbuf_renderer_get_image_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 879                 }
 880         else
 881                 {
 882                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 883                 }
 884         if (limit_window_size)
 885                 {
 886                 gint mw = gdk_screen_width() * max_window_size / 100;
 887                 gint mh = gdk_screen_height() * max_window_size / 100;
 888
 889                 if (w > mw) w = mw;
 890                 if (h > mh) h = mh;
 891                 }
 892
 893         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 894         req_size.x = req_size.y = 0;
 895         req_size.width = w;
 896         req_size.height = h;
 897         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 898
 899         gtk_widget_set_size_request(vw->imd->pr, w, h);
 900
 901         gtk_widget_show(vw->window);
 902
 903         view_window_list = g_list_append(view_window_list, vw);
 904
 905         return vw;
 906 }
 907
 908 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 909 {
 910         CollectionData *cd = data;
 911
 912         collection_unref(cd);
 913 }
 914
 915 void view_window_new(const gchar *path)
 916 {
 917         if (file_extension_match(path, ".gqv"))
 918                 {
 919                 ViewWindow *vw;
 920                 CollectionData *cd;
 921                 CollectInfo *info;
 922
 923                 cd = collection_new(path);
 924                 if (collection_load(cd, path, FALSE))
 925                         {
 926                         info = collection_get_first(cd);
 927                         }
 928                 else
 929                         {
 930                         collection_unref(cd);
 931                         cd = NULL;
 932                         info = NULL;
 933                         }
 934                 vw = real_view_window_new(NULL, NULL, cd, info);
 935                 if (vw && cd)
 936                         {
 937                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 938                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 939                         }
 940                 }
 941         else if (isdir(path))
 942                 {
 943                 GList *list = NULL;
 944
 945                 if (path_list(path, &list, NULL))
 946                         {
 947                         list = path_list_sort(list);
 948                         list = path_list_filter(list, FALSE);
 949                         }
 950                 real_view_window_new(NULL, list, NULL, NULL);
 951                 path_list_free(list);
 952                 }
 953         else
 954                 {
 955                 real_view_window_new(path, NULL, NULL, NULL);
 956                 }
 957 }
 958
 959 void view_window_new_from_list(GList *list)
 960 {
 961         real_view_window_new(NULL, list, NULL, NULL);
 962 }
 963
 964 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 965 {
 966         real_view_window_new(NULL, NULL, cd, info);
 967 }
 968
 969 /*
 970  *-----------------------------------------------------------------------------
 971  * public
 972  *-----------------------------------------------------------------------------
 973  */
 974
 975 void view_window_colors_update(void)
 976 {
 977         GList *work;
 978
 979         work = view_window_list;
 980         while (work)
 981                 {
 982                 ViewWindow *vw = work->data;
 983                 work = work->next;
 984
 985                 image_background_set_black(vw->imd, black_window_background);
 986                 }
 987 }
 988
 989 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 990 {
 991         GList *work;
 992
 993         work = view_window_list;
 994         while (work)
 995                 {
 996                 ViewWindow *vw = work->data;
 997                 work = work->next;
 998
 999                 if (vw->imd == imd ||
1000                     (vw->fs && vw->fs->imd == imd))
1001                         {
1002                         if (vw->ss)
1003                                 {
1004                                 gint n;
1005                                 n = g_list_length(vw->ss->list_done);
1006                                 if (index) *index = n - 1;
1007                                 if (total) *total = n + g_list_length(vw->ss->list);
1008                                 }
1009                         else
1010                                 {
1011                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1012                                 if (total) *total = g_list_length(vw->list);
1013                                 }
1014                         return TRUE;
1015                         }
1016                 }
1017
1018         return FALSE;
1019 }
1020
1021 /*
1022  *-----------------------------------------------------------------------------
1023  * view window menu routines and callbacks
1024  *-----------------------------------------------------------------------------
1025  */
1026
1027 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1028 {
1029         ViewWindow *vw = data;
1030         CollectionData *cd;
1031         CollectInfo *info;
1032
1033         cd = image_get_collection(vw->imd, &info);
1034
1035         if (cd && info)
1036                 {
1037                 view_window_new_from_collection(cd, info);
1038                 }
1039         else
1040                 {
1041                 view_window_new(image_get_path(vw->imd));
1042                 }
1043 }
1044
1045 static void view_edit_cb(GtkWidget *widget, gpointer data)
1046 {
1047         ViewWindow *vw;
1048         ImageWindow *imd;
1049         gint n;
1050
1051         vw = submenu_item_get_data(widget);
1052         n = GPOINTER_TO_INT(data);
1053         if (!vw) return;
1054
1055         if (!editor_window_flag_set(n))
1056                 {
1057                 view_fullscreen_toggle(vw, TRUE);
1058                 }
1059
1060         imd = view_window_active_image(vw);
1061         start_editor_from_file(n, image_get_path(imd));
1062 }
1063
1064 static void view_alter_cb(GtkWidget *widget, gpointer data)
1065 {
1066         ViewWindow *vw;
1067         AlterType type;
1068
1069         vw = submenu_item_get_data(widget);
1070         type = GPOINTER_TO_INT(data);
1071
1072         if (!vw) return;
1073         image_alter(vw->imd, type);
1074 }
1075
1076 static void view_info_cb(GtkWidget *widget, gpointer data)
1077 {
1078         ViewWindow *vw = data;
1079         ImageWindow *imd;
1080
1081         imd = view_window_active_image(vw);
1082         info_window_new(image_get_path(imd), NULL);
1083 }
1084
1085 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1086 {
1087         ViewWindow *vw = data;
1088         ImageWindow *imd;
1089
1090         imd = view_window_active_image(vw);
1091         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1092 }
1093
1094 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1095 {
1096         ViewWindow *vw = data;
1097
1098         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1099 }
1100
1101 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1102 {
1103         ViewWindow *vw = data;
1104
1105         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1106 }
1107
1108 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1109 {
1110         ViewWindow *vw = data;
1111
1112         image_zoom_set(view_window_active_image(vw), 1.0);
1113 }
1114
1115 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1116 {
1117         ViewWindow *vw = data;
1118
1119         image_zoom_set(view_window_active_image(vw), 0.0);
1120 }
1121
1122 static void view_copy_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125         ImageWindow *imd;
1126
1127         imd = view_window_active_image(vw);
1128         file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
1129 }
1130
1131 static void view_move_cb(GtkWidget *widget, gpointer data)
1132 {
1133         ViewWindow *vw = data;
1134         ImageWindow *imd;
1135
1136         imd = view_window_active_image(vw);
1137         file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
1138 }
1139
1140 static void view_rename_cb(GtkWidget *widget, gpointer data)
1141 {
1142         ViewWindow *vw = data;
1143         ImageWindow *imd;
1144
1145         imd = view_window_active_image(vw);
1146         file_util_rename(image_get_path(imd), NULL, imd->widget);
1147 }
1148
1149 static void view_delete_cb(GtkWidget *widget, gpointer data)
1150 {
1151         ViewWindow *vw = data;
1152         ImageWindow *imd;
1153
1154         imd = view_window_active_image(vw);
1155         file_util_delete(image_get_path(imd), NULL, imd->widget);
1156 }
1157
1158 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1159 {
1160         ViewWindow *vw = data;
1161
1162         view_fullscreen_toggle(vw, FALSE);
1163 }
1164
1165 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1166 {
1167         ViewWindow *vw = data;
1168
1169         view_slideshow_start(vw);
1170 }
1171
1172 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1173 {
1174         ViewWindow *vw = data;
1175
1176         view_slideshow_stop(vw);
1177 }
1178
1179 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1180 {
1181         ViewWindow *vw = data;
1182
1183         slideshow_pause_toggle(vw->ss);
1184 }
1185
1186 static void view_close_cb(GtkWidget *widget, gpointer data)
1187 {
1188         ViewWindow *vw = data;
1189
1190         view_window_close(vw);
1191 }
1192
1193 static GtkWidget *view_popup_menu(ViewWindow *vw)
1194 {
1195         GtkWidget *menu;
1196         GtkWidget *item;
1197
1198         menu = popup_menu_short_lived();
1199
1200         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1201         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1202         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1203         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1204         menu_item_add_divider(menu);
1205
1206         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1207         menu_item_add_divider(item);
1208         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1209
1210         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1211
1212         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1213
1214         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1215
1216         menu_item_add_divider(menu);
1217         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1218         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1219         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1220         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1221
1222         menu_item_add_divider(menu);
1223
1224         if (vw->ss)
1225                 {
1226                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1227                 if (slideshow_paused(vw->ss))
1228                         {
1229                         item = menu_item_add(menu, _("Continue slides_how"),
1230                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1231                         }
1232                 else
1233                         {
1234                         item = menu_item_add(menu, _("Pause slides_how"),
1235                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1236                         }
1237                 }
1238         else
1239                 {
1240                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1241                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1242                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1243                 gtk_widget_set_sensitive(item, FALSE);
1244                 }
1245
1246         if (vw->fs)
1247                 {
1248                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1249                 }
1250         else
1251                 {
1252                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1253                 }
1254
1255         menu_item_add_divider(menu);
1256         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1257
1258         return menu;
1259 }
1260
1261 /*
1262  *-------------------------------------------------------------------
1263  * dnd confirm dir
1264  *-------------------------------------------------------------------
1265  */
1266
1267 typedef struct {
1268         ViewWindow *vw;
1269         GList *list;
1270 } CViewConfirmD;
1271
1272 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1273 {
1274         /* do nothing */
1275 }
1276
1277 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1278 {
1279         GList *work;
1280
1281         view_window_set_list(vw, NULL);
1282
1283         work = list;
1284         while (work)
1285                 {
1286                 gchar *path = work->data;
1287                 work = work->next;
1288
1289                 if (isdir(path))
1290                         {
1291                         if (!skip)
1292                                 {
1293                                 GList *list = NULL;
1294
1295                                 if (recurse)
1296                                         {
1297                                         list = path_list_recursive(path);
1298                                         }
1299                                 else
1300                                         {
1301                                         path_list(path, &list, NULL);
1302                                         list = path_list_sort(list);
1303                                         list = path_list_filter(list, FALSE);
1304                                         }
1305                                 if (list) vw->list = g_list_concat(vw->list, list);
1306                                 }
1307                         }
1308                 else
1309                         {
1310                         /* FIXME: no filtering here */
1311                         vw->list = g_list_append(vw->list, g_strdup(path));
1312                         }
1313                 }
1314
1315         if (vw->list)
1316                 {
1317                 gchar *path;
1318
1319                 vw->list_pointer = vw->list;
1320                 path = vw->list->data;
1321                 image_change_path(vw->imd, path, image_zoom_get_default(vw->imd, zoom_mode));
1322
1323                 work = vw->list->next;
1324                 if (enable_read_ahead && work)
1325                         {
1326                         path = work->data;
1327                         image_prebuffer_set(vw->imd, path);
1328                         }
1329                 }
1330         else
1331                 {
1332                 image_change_path(vw->imd, NULL, image_zoom_get_default(vw->imd, zoom_mode));
1333                 }
1334 }
1335
1336 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1337 {
1338         CViewConfirmD *d = data;
1339         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1340 }
1341
1342 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1343 {
1344         CViewConfirmD *d = data;
1345         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1346 }
1347
1348 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1349 {
1350         CViewConfirmD *d = data;
1351         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1352 }
1353
1354 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1355 {
1356         CViewConfirmD *d = data;
1357         path_list_free(d->list);
1358         g_free(d);
1359 }
1360
1361 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1362 {
1363         GtkWidget *menu;
1364         CViewConfirmD *d;
1365
1366         d = g_new(CViewConfirmD, 1);
1367         d->vw = vw;
1368         d->list = list;
1369
1370         menu = popup_menu_short_lived();
1371         g_signal_connect(G_OBJECT(menu), "destroy",
1372                          G_CALLBACK(view_dir_list_destroy), d);
1373
1374         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1375         menu_item_add_divider(menu);
1376         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1377         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1378         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1379         menu_item_add_divider(menu);
1380         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1381
1382         return menu;
1383 }
1384
1385 /*
1386  *-----------------------------------------------------------------------------
1387  * image drag and drop routines
1388  *-----------------------------------------------------------------------------
1389  */
1390
1391 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1392                                      gint x, gint y,
1393                                      GtkSelectionData *selection_data, guint info,
1394                                      guint time, gpointer data)
1395 {
1396         ViewWindow *vw = data;
1397         ImageWindow *imd;
1398
1399         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1400
1401         imd = vw->imd;
1402
1403         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1404                 {
1405                 CollectionData *source;
1406                 GList *list;
1407                 GList *info_list;
1408
1409                 if (info == TARGET_URI_LIST)
1410                         {
1411                         GList *work;
1412
1413                         list = uri_list_from_text((gchar *)selection_data->data, TRUE);
1414
1415                         work = list;
1416                         while (work)
1417                                 {
1418                                 if (isdir((gchar *)work->data))
1419                                         {
1420                                         GtkWidget *menu;
1421                                         menu = view_confirm_dir_list(vw, list);
1422                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1423                                         return;
1424                                         }
1425                                 work = work->next;
1426                                 }
1427
1428                         list = path_list_filter(list, FALSE);
1429
1430                         source = NULL;
1431                         info_list = NULL;
1432                         }
1433                 else
1434                         {
1435                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1436                         }
1437
1438                 if (list)
1439                         {
1440                         gchar *path;
1441
1442                         path = list->data;
1443                         if (isfile(path))
1444                                 {
1445                                 view_slideshow_stop(vw);
1446                                 view_window_set_list(vw, NULL);
1447
1448                                 if (source && info_list)
1449                                         {
1450                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, zoom_mode));
1451                                         }
1452                                 else
1453                                         {
1454                                         if (list->next)
1455                                                 {
1456                                                 vw->list = list;
1457                                                 list = NULL;
1458
1459                                                 vw->list_pointer = vw->list;
1460                                                 }
1461                                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1462                                         }
1463                                 }
1464                         }
1465                 path_list_free(list);
1466                 g_list_free(info_list);
1467                 }
1468 }
1469
1470 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1471                                      GtkSelectionData *selection_data, guint info,
1472                                      guint time, gpointer data)
1473 {
1474         ViewWindow *vw = data;
1475         const gchar *path;
1476
1477         path = image_get_path(vw->imd);
1478
1479         if (path)
1480                 {
1481                 gchar *text = NULL;
1482                 gint len;
1483                 gint plain_text;
1484                 GList *list;
1485
1486                 switch (info)
1487                         {
1488                         case TARGET_URI_LIST:
1489                                 plain_text = FALSE;
1490                                 break;
1491                         case TARGET_TEXT_PLAIN:
1492                         default:
1493                                 plain_text = TRUE;
1494                                 break;
1495                         }
1496                 list = g_list_append(NULL, (gchar *)path);
1497                 text = uri_text_from_list(list, &len, plain_text);
1498                 g_list_free(list);
1499                 if (text)
1500                         {
1501                         gtk_selection_data_set (selection_data, selection_data->target,
1502                                                 8, (guchar *)text, len);
1503                         g_free(text);
1504                         }
1505                 }
1506         else
1507                 {
1508                 gtk_selection_data_set (selection_data, selection_data->target,
1509                                         8, NULL, 0);
1510                 }
1511 }
1512
1513 static void view_window_dnd_init(ViewWindow *vw)
1514 {
1515         ImageWindow *imd;
1516
1517         imd = vw->imd;
1518
1519         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1520                             dnd_file_drag_types, dnd_file_drag_types_count,
1521                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1522         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1523                          G_CALLBACK(view_window_set_dnd_data), vw);
1524
1525         gtk_drag_dest_set(imd->pr,
1526                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1527                           dnd_file_drop_types, dnd_file_drop_types_count,
1528                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1529         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1530                          G_CALLBACK(view_window_get_dnd_data), vw);
1531 }
1532
1533 /*
1534  *-----------------------------------------------------------------------------
1535  * maintenance (for rename, move, remove)
1536  *-----------------------------------------------------------------------------
1537  */
1538
1539 static void view_real_removed(ViewWindow *vw, const gchar *path, GList *ignore_list)
1540 {
1541         ImageWindow *imd;
1542         const gchar *image_path;
1543
1544         imd = view_window_active_image(vw);
1545         image_path = image_get_path(imd);
1546
1547         if (image_path && strcmp(image_path, path) == 0)
1548                 {
1549                 if (vw->list)
1550                         {
1551                         view_list_step(vw, TRUE);
1552                         if (image_get_path(imd) == image_path)
1553                                 {
1554                                 view_list_step(vw, FALSE);
1555                                 }
1556                         }
1557                 else if (view_window_contains_collection(vw))
1558                         {
1559                         view_collection_step(vw, TRUE);
1560                         if (image_get_path(imd) == image_path)
1561                                 {
1562                                 view_collection_step(vw, FALSE);
1563                                 }
1564                         }
1565                 if (image_get_path(imd) == image_path)
1566                         {
1567                         image_change_path(imd, NULL, image_zoom_get_default(imd, zoom_mode));
1568                         }
1569                 }
1570
1571         if (vw->list)
1572                 {
1573                 GList *work;
1574                 GList *old;
1575
1576                 old = vw->list_pointer;
1577
1578                 work = vw->list;
1579                 while (work)
1580                         {
1581                         gchar *chk_path;
1582                         GList *chk_link;
1583
1584                         chk_path = work->data;
1585                         chk_link = work;
1586                         work = work->next;
1587
1588                         if (strcmp(chk_path, path) == 0)
1589                                 {
1590                                 if (vw->list_pointer == chk_link)
1591                                         {
1592                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1593                                         }
1594                                 vw->list = g_list_remove(vw->list, chk_path);
1595                                 g_free(chk_path);
1596                                 }
1597                         }
1598
1599                 /* handles stepping correctly when same image is in the list more than once */
1600                 if (old && old != vw->list_pointer)
1601                         {
1602                         gchar *path;
1603
1604                         if (vw->list_pointer)
1605                                 {
1606                                 path = vw->list_pointer->data;
1607                                 }
1608                         else
1609                                 {
1610                                 path = NULL;
1611                                 }
1612
1613                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1614                         }
1615                 }
1616
1617         if (vw->overlay_id != -1) image_overlay_update(imd, vw->overlay_id);
1618 }
1619
1620 static void view_real_moved(ViewWindow *vw, const gchar *source, const gchar *dest)
1621 {
1622         ImageWindow *imd;
1623         const gchar *image_path;
1624
1625         imd = view_window_active_image(vw);
1626         image_path = image_get_path(imd);
1627
1628         if (image_path && strcmp(image_path, source) == 0)
1629                 {
1630                 image_set_path(imd, dest);
1631                 }
1632
1633         if (vw->list)
1634                 {
1635                 GList *work;
1636                 work = vw->list;
1637                 while (work)
1638                         {
1639                         gchar *chk_path;
1640
1641                         chk_path = work->data;
1642
1643                         if (strcmp(chk_path, source) == 0)
1644                                 {
1645                                 work->data = g_strdup(dest);
1646                                 g_free(chk_path);
1647                                 }
1648
1649                         work = work->next;
1650                         }
1651                 }
1652 }
1653
1654 void view_window_maint_removed(const gchar *path, GList *ignore_list)
1655 {
1656         GList *work = view_window_list;
1657         while (work)
1658                 {
1659                 ViewWindow *vw = work->data;
1660                 work = work->next;
1661
1662                 view_real_removed(vw, path, ignore_list);
1663                 }
1664 }
1665
1666 void view_window_maint_moved(const gchar *source, const gchar *dest)
1667 {
1668         GList *work = view_window_list;
1669         while (work)
1670                 {
1671                 ViewWindow *vw = work->data;
1672                 work = work->next;
1673
1674                 view_real_moved(vw, source, dest);
1675                 }
1676 }
1677