src/img-view.c

   1 /*
   2  * GQview
   3  * (C) 2006 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 "print.h"
  29 #include "slideshow.h"
  30 #include "utilops.h"
  31 #include "ui_bookmark.h"
  32 #include "ui_fileops.h"
  33 #include "ui_menu.h"
  34
  35 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  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                         case 'P': case 'p':
 457                                 {
 458                                 const gchar *path;
 459
 460                                 view_fullscreen_toggle(vw, TRUE);
 461                                 imd = view_window_active_image(vw);
 462                                 path = image_get_path(imd);
 463                                 print_window_new(path,
 464                                                  (path) ? g_list_append(NULL, g_strdup(path)) : NULL,
 465                                                  path_list_copy(vw->list), vw->window);
 466                                 }
 467                                 break;
 468                         default:
 469                                 stop_signal = FALSE;
 470                                 break;
 471                         }
 472                 }
 473         else
 474                 {
 475                 stop_signal = TRUE;
 476                 switch (event->keyval)
 477                         {
 478                         case GDK_Page_Up: case GDK_KP_Page_Up:
 479                         case GDK_BackSpace:
 480                         case 'B': case 'b':
 481                                 view_step_prev(vw);
 482                                 break;
 483                         case GDK_Page_Down: case GDK_KP_Page_Down:
 484                         case GDK_space:
 485                         case 'N': case 'n':
 486                                 view_step_next(vw);
 487                                 break;
 488                         case GDK_Home: case GDK_KP_Home:
 489                                 view_step_to_end(vw, FALSE);
 490                                 break;
 491                         case GDK_End: case GDK_KP_End:
 492                                 view_step_to_end(vw, TRUE);
 493                                 break;
 494                         case '+': case '=': case GDK_KP_Add:
 495                                 image_zoom_adjust(imd, get_zoom_increment());
 496                                 break;
 497                         case '-': case GDK_KP_Subtract:
 498                                 image_zoom_adjust(imd, -get_zoom_increment());
 499                                 break;
 500                         case 'X': case 'x': case GDK_KP_Multiply:
 501                                 image_zoom_set(imd, 0.0);
 502                                 break;
 503                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 504                                 image_zoom_set(imd, 1.0);
 505                                 break;
 506                         case '2':
 507                                 image_zoom_set(imd, 2.0);
 508                                 break;
 509                         case '3':
 510                                 image_zoom_set(imd, 3.0);
 511                                 break;
 512                         case '4':
 513                                 image_zoom_set(imd, 4.0);
 514                                 break;
 515                         case '7':
 516                                 image_zoom_set(imd, -4.0);
 517                                 break;
 518                         case '8':
 519                                 image_zoom_set(imd, -3.0);
 520                                 break;
 521                         case '9':
 522                                 image_zoom_set(imd, -2.0);
 523                                 break;
 524                         case 'W': case 'w':
 525                                 image_zoom_set_fill_geometry(imd, FALSE);
 526                                 break;
 527                         case 'H': case 'h':
 528                                 image_zoom_set_fill_geometry(imd, TRUE);
 529                                 break;
 530                         case 'R': case 'r':
 531                                 image_reload(imd);
 532                                 break;
 533                         case 'S': case 's':
 534                                 if (vw->ss)
 535                                         {
 536                                         view_slideshow_stop(vw);
 537                                         }
 538                                 else
 539                                         {
 540                                         view_slideshow_start(vw);
 541                                         }
 542                                 break;
 543                         case 'P': case 'p':
 544                                 slideshow_pause_toggle(vw->ss);
 545                                 break;
 546                         case 'F': case 'f':
 547                         case 'V': case 'v':
 548                         case GDK_F11:
 549                                 view_fullscreen_toggle(vw, FALSE);
 550                                 break;
 551                         case 'I': case 'i':
 552                                 view_overlay_toggle(vw);
 553                                 break;
 554                         case ']':
 555                                 image_alter(imd, ALTER_ROTATE_90);
 556                                 break;
 557                         case '[':
 558                                 image_alter(imd, ALTER_ROTATE_90_CC);
 559                                 break;
 560                         case GDK_Delete: case GDK_KP_Delete:
 561                                 if (enable_delete_key)
 562                                         {
 563                                         file_util_delete(image_get_path(imd), NULL, imd->widget);
 564                                         }
 565                                 break;
 566                         case GDK_Escape:
 567                                 if (vw->fs)
 568                                         {
 569                                         view_fullscreen_toggle(vw, TRUE);
 570                                         }
 571                                 else
 572                                         {
 573                                         view_window_close(vw);
 574                                         }
 575                                 break;
 576                         case GDK_Menu:
 577                         case GDK_F10:
 578                                 menu = view_popup_menu(vw);
 579                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 580                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 581                                 break;
 582                         default:
 583                                 stop_signal = FALSE;
 584                                 break;
 585                         }
 586                 }
 587
 588         return stop_signal;
 589 }
 590
 591 /*
 592  *-----------------------------------------------------------------------------
 593  * view window main routines
 594  *-----------------------------------------------------------------------------
 595  */
 596
 597 static void button_cb(ImageWindow *imd, gint button, guint32 time,
 598                       gdouble x, gdouble y, guint state, gpointer data)
 599 {
 600         ViewWindow *vw = data;
 601         GtkWidget *menu;
 602
 603         switch (button)
 604                 {
 605                 case 1:
 606                         view_step_next(vw);
 607                         break;
 608                 case 2:
 609                         view_step_prev(vw);
 610                         break;
 611                 case 3:
 612                         menu = view_popup_menu(vw);
 613                         gtk_menu_popup (GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, time);
 614                         break;
 615                 default:
 616                         break;
 617                 }
 618 }
 619
 620 static void scroll_cb(ImageWindow *imd, GdkScrollDirection direction, guint32 time,
 621                       gdouble x, gdouble y, guint state, gpointer data)
 622 {
 623         ViewWindow *vw = data;
 624
 625         if (state & GDK_CONTROL_MASK)
 626                 {
 627                 switch (direction)
 628                         {
 629                         case GDK_SCROLL_UP:
 630                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), x, y);
 631                                 break;
 632                         case GDK_SCROLL_DOWN:
 633                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), x, y);
 634                                 break;
 635                         default:
 636                                 break;
 637                         }
 638                 }
 639         else if ( (state & GDK_SHIFT_MASK) != (mousewheel_scrolls))
 640                 {
 641                 switch (direction)
 642                         {
 643                         case GDK_SCROLL_UP:
 644                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 645                                 break;
 646                         case GDK_SCROLL_DOWN:
 647                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 648                                 break;
 649                         case GDK_SCROLL_LEFT:
 650                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 651                                 break;
 652                         case GDK_SCROLL_RIGHT:
 653                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 654                                 break;
 655                         default:
 656                                 break;
 657                         }
 658                 }
 659         else
 660                 {
 661                 switch (direction)
 662                         {
 663                         case GDK_SCROLL_UP:
 664                                 view_step_prev(vw);
 665                                 break;
 666                         case GDK_SCROLL_DOWN:
 667                                 view_step_next(vw);
 668                                 break;
 669                         default:
 670                                 break;
 671                         }
 672                 }
 673 }
 674
 675 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 676 {
 677         image_set_button_func(imd, button_cb, vw);
 678         image_set_scroll_func(imd, scroll_cb, vw);
 679 }
 680
 681 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 682 {
 683         ViewWindow *vw = data;
 684
 685         vw->fs = NULL;
 686
 687         if (vw->ss) vw->ss->imd = vw->imd;
 688 }
 689
 690 static void view_fullscreen_toggle(ViewWindow *vw, gint force_off)
 691 {
 692         if (force_off && !vw->fs) return;
 693
 694         if (vw->fs)
 695                 {
 696                 fullscreen_stop(vw->fs);
 697
 698                 if (vw->overlay_id != -1) vw->overlay_id = image_overlay_info_enable(vw->imd);
 699                 }
 700         else
 701                 {
 702                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 703
 704                 view_image_set_buttons(vw, vw->fs->imd);
 705                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 706                                  G_CALLBACK(view_window_key_press_cb), vw);
 707
 708                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 709
 710                 if (vw->overlay_id != -1)
 711                         {
 712                         image_overlay_info_disable(vw->imd, vw->overlay_id);
 713                         vw->overlay_id = image_overlay_info_enable(vw->fs->imd);
 714                         }
 715                 }
 716 }
 717
 718 static void view_overlay_toggle(ViewWindow *vw)
 719 {
 720         ImageWindow *imd;
 721
 722         imd = view_window_active_image(vw);
 723
 724         if (vw->overlay_id == -1)
 725                 {
 726                 vw->overlay_id = image_overlay_info_enable(imd);
 727                 }
 728         else
 729                 {
 730                 image_overlay_info_disable(imd, vw->overlay_id);
 731                 vw->overlay_id = -1;
 732                 }
 733 }
 734
 735 static void view_slideshow_next(ViewWindow *vw)
 736 {
 737         if (vw->ss) slideshow_next(vw->ss);
 738 }
 739
 740 static void view_slideshow_prev(ViewWindow *vw)
 741 {
 742         if (vw->ss) slideshow_prev(vw->ss);
 743 }
 744
 745 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 746 {
 747         ViewWindow *vw = data;
 748
 749         vw->ss = NULL;
 750 }
 751
 752 static void view_slideshow_start(ViewWindow *vw)
 753 {
 754         if (!vw->ss)
 755                 {
 756                 CollectionData *cd;
 757                 CollectInfo *info;
 758
 759                 if (vw->list)
 760                         {
 761                         vw->ss = slideshow_start_from_path_list(view_window_active_image(vw),
 762                                                                 path_list_copy(vw->list),
 763                                                                 view_slideshow_stop_func, vw);
 764                         vw->list_pointer = NULL;
 765                         return;
 766                         }
 767
 768                 cd = image_get_collection(view_window_active_image(vw), &info);
 769                 if (cd && info)
 770                         {
 771                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 772                                                                  view_slideshow_stop_func, vw, info);
 773                         }
 774                 }
 775 }
 776
 777 static void view_slideshow_stop(ViewWindow *vw)
 778 {
 779         if (vw->ss) slideshow_free(vw->ss);
 780 }
 781
 782 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 783 {
 784         ViewWindow *vw = data;
 785
 786         view_window_list = g_list_remove(view_window_list, vw);
 787
 788         view_slideshow_stop(vw);
 789         fullscreen_stop(vw->fs);
 790
 791         path_list_free(vw->list);
 792         g_free(vw);
 793 }
 794
 795 static void view_window_close(ViewWindow *vw)
 796 {
 797         view_slideshow_stop(vw);
 798         view_fullscreen_toggle(vw, TRUE);
 799         gtk_widget_destroy(vw->window);
 800 }
 801
 802 static gint view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 803 {
 804         ViewWindow *vw = data;
 805
 806         view_window_close(vw);
 807         return TRUE;
 808 }
 809
 810 static ViewWindow *real_view_window_new(const gchar *path, GList *list, CollectionData *cd, CollectInfo *info)
 811 {
 812         ViewWindow *vw;
 813         GtkAllocation req_size;
 814         GdkGeometry geometry;
 815         gint w, h;
 816
 817         if (!path && !list && (!cd || !info)) return NULL;
 818
 819         vw = g_new0(ViewWindow, 1);
 820         vw->fs = NULL;
 821         vw->ss = NULL;
 822         vw->list = NULL;
 823         vw->list_pointer = NULL;
 824
 825         vw->overlay_id = -1;
 826
 827         vw->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 828
 829         geometry.min_width = 8;
 830         geometry.min_height = 8;
 831         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 832
 833         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 834         gtk_window_set_title (GTK_WINDOW(vw->window), "GQview");
 835         gtk_window_set_wmclass(GTK_WINDOW(vw->window), "view", "GQview");
 836         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 837
 838         window_set_icon(vw->window, PIXBUF_INLINE_ICON_VIEW, NULL);
 839
 840         vw->imd = image_new(FALSE);
 841
 842         if (black_window_background) image_background_set_black(vw->imd, TRUE);
 843
 844         image_attach_window(vw->imd, vw->window, NULL, "GQview", TRUE);
 845
 846         image_auto_refresh(vw->imd, 0);
 847         image_top_window_set_sync(vw->imd, TRUE);
 848
 849         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 850         gtk_widget_show(vw->imd->widget);
 851
 852         view_window_dnd_init(vw);
 853
 854         view_image_set_buttons(vw, vw->imd);
 855
 856         g_signal_connect(G_OBJECT(vw->window), "destroy",
 857                          G_CALLBACK(view_window_destroy_cb), vw);
 858         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 859                          G_CALLBACK(view_window_delete_cb), vw);
 860         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 861                          G_CALLBACK(view_window_key_press_cb), vw);
 862         if (cd && info)
 863                 {
 864                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL, zoom_mode));
 865                 if (enable_read_ahead)
 866                         {
 867                         CollectInfo * r_info = collection_next_by_info(cd, info);
 868                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 869                         if (r_info) image_prebuffer_set(vw->imd, r_info->path);
 870                         }
 871                 }
 872         else if (list)
 873                 {
 874                 view_window_set_list(vw, list);
 875                 vw->list_pointer = vw->list;
 876                 image_change_path(vw->imd, (gchar *)vw->list->data, image_zoom_get_default(NULL, zoom_mode));
 877
 878                 if (enable_read_ahead)
 879                         {
 880                         GList *work = vw->list->next;
 881                         if (work) image_prebuffer_set(vw->imd, (gchar *)work->data);
 882                         }
 883                 }
 884         else
 885                 {
 886                 image_change_path(vw->imd, path, image_zoom_get_default(NULL, zoom_mode));
 887                 }
 888
 889         if (image_zoom_get(vw->imd) == 0.0)
 890                 {
 891                 pixbuf_renderer_get_image_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 892                 }
 893         else
 894                 {
 895                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 896                 }
 897         if (limit_window_size)
 898                 {
 899                 gint mw = gdk_screen_width() * max_window_size / 100;
 900                 gint mh = gdk_screen_height() * max_window_size / 100;
 901
 902                 if (w > mw) w = mw;
 903                 if (h > mh) h = mh;
 904                 }
 905
 906         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 907         req_size.x = req_size.y = 0;
 908         req_size.width = w;
 909         req_size.height = h;
 910         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 911
 912         gtk_widget_set_size_request(vw->imd->pr, w, h);
 913
 914         gtk_widget_show(vw->window);
 915
 916         view_window_list = g_list_append(view_window_list, vw);
 917
 918         return vw;
 919 }
 920
 921 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 922 {
 923         CollectionData *cd = data;
 924
 925         collection_unref(cd);
 926 }
 927
 928 void view_window_new(const gchar *path)
 929 {
 930         if (file_extension_match(path, ".gqv"))
 931                 {
 932                 ViewWindow *vw;
 933                 CollectionData *cd;
 934                 CollectInfo *info;
 935
 936                 cd = collection_new(path);
 937                 if (collection_load(cd, path, FALSE))
 938                         {
 939                         info = collection_get_first(cd);
 940                         }
 941                 else
 942                         {
 943                         collection_unref(cd);
 944                         cd = NULL;
 945                         info = NULL;
 946                         }
 947                 vw = real_view_window_new(NULL, NULL, cd, info);
 948                 if (vw && cd)
 949                         {
 950                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 951                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 952                         }
 953                 }
 954         else if (isdir(path))
 955                 {
 956                 GList *list = NULL;
 957
 958                 if (path_list(path, &list, NULL))
 959                         {
 960                         list = path_list_sort(list);
 961                         list = path_list_filter(list, FALSE);
 962                         }
 963                 real_view_window_new(NULL, list, NULL, NULL);
 964                 path_list_free(list);
 965                 }
 966         else
 967                 {
 968                 real_view_window_new(path, NULL, NULL, NULL);
 969                 }
 970 }
 971
 972 void view_window_new_from_list(GList *list)
 973 {
 974         real_view_window_new(NULL, list, NULL, NULL);
 975 }
 976
 977 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 978 {
 979         real_view_window_new(NULL, NULL, cd, info);
 980 }
 981
 982 /*
 983  *-----------------------------------------------------------------------------
 984  * public
 985  *-----------------------------------------------------------------------------
 986  */
 987
 988 void view_window_colors_update(void)
 989 {
 990         GList *work;
 991
 992         work = view_window_list;
 993         while (work)
 994                 {
 995                 ViewWindow *vw = work->data;
 996                 work = work->next;
 997
 998                 image_background_set_black(vw->imd, black_window_background);
 999                 }
1000 }
1001
1002 gint view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1003 {
1004         GList *work;
1005
1006         work = view_window_list;
1007         while (work)
1008                 {
1009                 ViewWindow *vw = work->data;
1010                 work = work->next;
1011
1012                 if (vw->imd == imd ||
1013                     (vw->fs && vw->fs->imd == imd))
1014                         {
1015                         if (vw->ss)
1016                                 {
1017                                 gint n;
1018                                 n = g_list_length(vw->ss->list_done);
1019                                 if (index) *index = n - 1;
1020                                 if (total) *total = n + g_list_length(vw->ss->list);
1021                                 }
1022                         else
1023                                 {
1024                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1025                                 if (total) *total = g_list_length(vw->list);
1026                                 }
1027                         return TRUE;
1028                         }
1029                 }
1030
1031         return FALSE;
1032 }
1033
1034 /*
1035  *-----------------------------------------------------------------------------
1036  * view window menu routines and callbacks
1037  *-----------------------------------------------------------------------------
1038  */
1039
1040 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1041 {
1042         ViewWindow *vw = data;
1043         CollectionData *cd;
1044         CollectInfo *info;
1045
1046         cd = image_get_collection(vw->imd, &info);
1047
1048         if (cd && info)
1049                 {
1050                 view_window_new_from_collection(cd, info);
1051                 }
1052         else
1053                 {
1054                 view_window_new(image_get_path(vw->imd));
1055                 }
1056 }
1057
1058 static void view_edit_cb(GtkWidget *widget, gpointer data)
1059 {
1060         ViewWindow *vw;
1061         ImageWindow *imd;
1062         gint n;
1063
1064         vw = submenu_item_get_data(widget);
1065         n = GPOINTER_TO_INT(data);
1066         if (!vw) return;
1067
1068         if (!editor_window_flag_set(n))
1069                 {
1070                 view_fullscreen_toggle(vw, TRUE);
1071                 }
1072
1073         imd = view_window_active_image(vw);
1074         start_editor_from_file(n, image_get_path(imd));
1075 }
1076
1077 static void view_alter_cb(GtkWidget *widget, gpointer data)
1078 {
1079         ViewWindow *vw;
1080         AlterType type;
1081
1082         vw = submenu_item_get_data(widget);
1083         type = GPOINTER_TO_INT(data);
1084
1085         if (!vw) return;
1086         image_alter(vw->imd, type);
1087 }
1088
1089 static void view_info_cb(GtkWidget *widget, gpointer data)
1090 {
1091         ViewWindow *vw = data;
1092         ImageWindow *imd;
1093
1094         imd = view_window_active_image(vw);
1095         info_window_new(image_get_path(imd), NULL);
1096 }
1097
1098 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1099 {
1100         ViewWindow *vw = data;
1101         ImageWindow *imd;
1102
1103         imd = view_window_active_image(vw);
1104         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1105 }
1106
1107 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1108 {
1109         ViewWindow *vw = data;
1110
1111         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1112 }
1113
1114 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1115 {
1116         ViewWindow *vw = data;
1117
1118         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1119 }
1120
1121 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1122 {
1123         ViewWindow *vw = data;
1124
1125         image_zoom_set(view_window_active_image(vw), 1.0);
1126 }
1127
1128 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1129 {
1130         ViewWindow *vw = data;
1131
1132         image_zoom_set(view_window_active_image(vw), 0.0);
1133 }
1134
1135 static void view_copy_cb(GtkWidget *widget, gpointer data)
1136 {
1137         ViewWindow *vw = data;
1138         ImageWindow *imd;
1139
1140         imd = view_window_active_image(vw);
1141         file_util_copy(image_get_path(imd), NULL, NULL, imd->widget);
1142 }
1143
1144 static void view_move_cb(GtkWidget *widget, gpointer data)
1145 {
1146         ViewWindow *vw = data;
1147         ImageWindow *imd;
1148
1149         imd = view_window_active_image(vw);
1150         file_util_move(image_get_path(imd), NULL, NULL, imd->widget);
1151 }
1152
1153 static void view_rename_cb(GtkWidget *widget, gpointer data)
1154 {
1155         ViewWindow *vw = data;
1156         ImageWindow *imd;
1157
1158         imd = view_window_active_image(vw);
1159         file_util_rename(image_get_path(imd), NULL, imd->widget);
1160 }
1161
1162 static void view_delete_cb(GtkWidget *widget, gpointer data)
1163 {
1164         ViewWindow *vw = data;
1165         ImageWindow *imd;
1166
1167         imd = view_window_active_image(vw);
1168         file_util_delete(image_get_path(imd), NULL, imd->widget);
1169 }
1170
1171 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1172 {
1173         ViewWindow *vw = data;
1174
1175         view_fullscreen_toggle(vw, FALSE);
1176 }
1177
1178 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1179 {
1180         ViewWindow *vw = data;
1181
1182         view_slideshow_start(vw);
1183 }
1184
1185 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1186 {
1187         ViewWindow *vw = data;
1188
1189         view_slideshow_stop(vw);
1190 }
1191
1192 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1193 {
1194         ViewWindow *vw = data;
1195
1196         slideshow_pause_toggle(vw->ss);
1197 }
1198
1199 static void view_close_cb(GtkWidget *widget, gpointer data)
1200 {
1201         ViewWindow *vw = data;
1202
1203         view_window_close(vw);
1204 }
1205
1206 static GtkWidget *view_popup_menu(ViewWindow *vw)
1207 {
1208         GtkWidget *menu;
1209         GtkWidget *item;
1210
1211         menu = popup_menu_short_lived();
1212
1213         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1214         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1215         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1216         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1217         menu_item_add_divider(menu);
1218
1219         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw);
1220         menu_item_add_divider(item);
1221         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1222
1223         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1224
1225         menu_item_add_stock(menu, _("_Properties"), GTK_STOCK_PROPERTIES, G_CALLBACK(view_info_cb), vw);
1226
1227         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1228
1229         menu_item_add_divider(menu);
1230         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1231         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1232         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1233         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1234
1235         menu_item_add_divider(menu);
1236
1237         if (vw->ss)
1238                 {
1239                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1240                 if (slideshow_paused(vw->ss))
1241                         {
1242                         item = menu_item_add(menu, _("Continue slides_how"),
1243                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1244                         }
1245                 else
1246                         {
1247                         item = menu_item_add(menu, _("Pause slides_how"),
1248                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1249                         }
1250                 }
1251         else
1252                 {
1253                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1254                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1255                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1256                 gtk_widget_set_sensitive(item, FALSE);
1257                 }
1258
1259         if (vw->fs)
1260                 {
1261                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1262                 }
1263         else
1264                 {
1265                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1266                 }
1267
1268         menu_item_add_divider(menu);
1269         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1270
1271         return menu;
1272 }
1273
1274 /*
1275  *-------------------------------------------------------------------
1276  * dnd confirm dir
1277  *-------------------------------------------------------------------
1278  */
1279
1280 typedef struct {
1281         ViewWindow *vw;
1282         GList *list;
1283 } CViewConfirmD;
1284
1285 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1286 {
1287         /* do nothing */
1288 }
1289
1290 static void view_dir_list_do(ViewWindow *vw, GList *list, gint skip, gint recurse)
1291 {
1292         GList *work;
1293
1294         view_window_set_list(vw, NULL);
1295
1296         work = list;
1297         while (work)
1298                 {
1299                 gchar *path = work->data;
1300                 work = work->next;
1301
1302                 if (isdir(path))
1303                         {
1304                         if (!skip)
1305                                 {
1306                                 GList *list = NULL;
1307
1308                                 if (recurse)
1309                                         {
1310                                         list = path_list_recursive(path);
1311                                         }
1312                                 else
1313                                         {
1314                                         path_list(path, &list, NULL);
1315                                         list = path_list_sort(list);
1316                                         list = path_list_filter(list, FALSE);
1317                                         }
1318                                 if (list) vw->list = g_list_concat(vw->list, list);
1319                                 }
1320                         }
1321                 else
1322                         {
1323                         /* FIXME: no filtering here */
1324                         vw->list = g_list_append(vw->list, g_strdup(path));
1325                         }
1326                 }
1327
1328         if (vw->list)
1329                 {
1330                 gchar *path;
1331
1332                 vw->list_pointer = vw->list;
1333                 path = vw->list->data;
1334                 image_change_path(vw->imd, path, image_zoom_get_default(vw->imd, zoom_mode));
1335
1336                 work = vw->list->next;
1337                 if (enable_read_ahead && work)
1338                         {
1339                         path = work->data;
1340                         image_prebuffer_set(vw->imd, path);
1341                         }
1342                 }
1343         else
1344                 {
1345                 image_change_path(vw->imd, NULL, image_zoom_get_default(vw->imd, zoom_mode));
1346                 }
1347 }
1348
1349 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1350 {
1351         CViewConfirmD *d = data;
1352         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1353 }
1354
1355 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1356 {
1357         CViewConfirmD *d = data;
1358         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1359 }
1360
1361 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1362 {
1363         CViewConfirmD *d = data;
1364         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1365 }
1366
1367 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1368 {
1369         CViewConfirmD *d = data;
1370         path_list_free(d->list);
1371         g_free(d);
1372 }
1373
1374 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1375 {
1376         GtkWidget *menu;
1377         CViewConfirmD *d;
1378
1379         d = g_new(CViewConfirmD, 1);
1380         d->vw = vw;
1381         d->list = list;
1382
1383         menu = popup_menu_short_lived();
1384         g_signal_connect(G_OBJECT(menu), "destroy",
1385                          G_CALLBACK(view_dir_list_destroy), d);
1386
1387         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1388         menu_item_add_divider(menu);
1389         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1390         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1391         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1392         menu_item_add_divider(menu);
1393         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1394
1395         return menu;
1396 }
1397
1398 /*
1399  *-----------------------------------------------------------------------------
1400  * image drag and drop routines
1401  *-----------------------------------------------------------------------------
1402  */
1403
1404 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1405                                      gint x, gint y,
1406                                      GtkSelectionData *selection_data, guint info,
1407                                      guint time, gpointer data)
1408 {
1409         ViewWindow *vw = data;
1410         ImageWindow *imd;
1411
1412         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1413
1414         imd = vw->imd;
1415
1416         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1417                 {
1418                 CollectionData *source;
1419                 GList *list;
1420                 GList *info_list;
1421
1422                 if (info == TARGET_URI_LIST)
1423                         {
1424                         GList *work;
1425
1426                         list = uri_list_from_text((gchar *)selection_data->data, TRUE);
1427
1428                         work = list;
1429                         while (work)
1430                                 {
1431                                 if (isdir((gchar *)work->data))
1432                                         {
1433                                         GtkWidget *menu;
1434                                         menu = view_confirm_dir_list(vw, list);
1435                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1436                                         return;
1437                                         }
1438                                 work = work->next;
1439                                 }
1440
1441                         list = path_list_filter(list, FALSE);
1442
1443                         source = NULL;
1444                         info_list = NULL;
1445                         }
1446                 else
1447                         {
1448                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1449                         }
1450
1451                 if (list)
1452                         {
1453                         gchar *path;
1454
1455                         path = list->data;
1456                         if (isfile(path))
1457                                 {
1458                                 view_slideshow_stop(vw);
1459                                 view_window_set_list(vw, NULL);
1460
1461                                 if (source && info_list)
1462                                         {
1463                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd, zoom_mode));
1464                                         }
1465                                 else
1466                                         {
1467                                         if (list->next)
1468                                                 {
1469                                                 vw->list = list;
1470                                                 list = NULL;
1471
1472                                                 vw->list_pointer = vw->list;
1473                                                 }
1474                                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1475                                         }
1476                                 }
1477                         }
1478                 path_list_free(list);
1479                 g_list_free(info_list);
1480                 }
1481 }
1482
1483 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1484                                      GtkSelectionData *selection_data, guint info,
1485                                      guint time, gpointer data)
1486 {
1487         ViewWindow *vw = data;
1488         const gchar *path;
1489
1490         path = image_get_path(vw->imd);
1491
1492         if (path)
1493                 {
1494                 gchar *text = NULL;
1495                 gint len;
1496                 gint plain_text;
1497                 GList *list;
1498
1499                 switch (info)
1500                         {
1501                         case TARGET_URI_LIST:
1502                                 plain_text = FALSE;
1503                                 break;
1504                         case TARGET_TEXT_PLAIN:
1505                         default:
1506                                 plain_text = TRUE;
1507                                 break;
1508                         }
1509                 list = g_list_append(NULL, (gchar *)path);
1510                 text = uri_text_from_list(list, &len, plain_text);
1511                 g_list_free(list);
1512                 if (text)
1513                         {
1514                         gtk_selection_data_set (selection_data, selection_data->target,
1515                                                 8, (guchar *)text, len);
1516                         g_free(text);
1517                         }
1518                 }
1519         else
1520                 {
1521                 gtk_selection_data_set (selection_data, selection_data->target,
1522                                         8, NULL, 0);
1523                 }
1524 }
1525
1526 static void view_window_dnd_init(ViewWindow *vw)
1527 {
1528         ImageWindow *imd;
1529
1530         imd = vw->imd;
1531
1532         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1533                             dnd_file_drag_types, dnd_file_drag_types_count,
1534                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1535         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1536                          G_CALLBACK(view_window_set_dnd_data), vw);
1537
1538         gtk_drag_dest_set(imd->pr,
1539                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1540                           dnd_file_drop_types, dnd_file_drop_types_count,
1541                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1542         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1543                          G_CALLBACK(view_window_get_dnd_data), vw);
1544 }
1545
1546 /*
1547  *-----------------------------------------------------------------------------
1548  * maintenance (for rename, move, remove)
1549  *-----------------------------------------------------------------------------
1550  */
1551
1552 static void view_real_removed(ViewWindow *vw, const gchar *path, GList *ignore_list)
1553 {
1554         ImageWindow *imd;
1555         const gchar *image_path;
1556
1557         imd = view_window_active_image(vw);
1558         image_path = image_get_path(imd);
1559
1560         if (image_path && strcmp(image_path, path) == 0)
1561                 {
1562                 if (vw->list)
1563                         {
1564                         view_list_step(vw, TRUE);
1565                         if (image_get_path(imd) == image_path)
1566                                 {
1567                                 view_list_step(vw, FALSE);
1568                                 }
1569                         }
1570                 else if (view_window_contains_collection(vw))
1571                         {
1572                         view_collection_step(vw, TRUE);
1573                         if (image_get_path(imd) == image_path)
1574                                 {
1575                                 view_collection_step(vw, FALSE);
1576                                 }
1577                         }
1578                 if (image_get_path(imd) == image_path)
1579                         {
1580                         image_change_path(imd, NULL, image_zoom_get_default(imd, zoom_mode));
1581                         }
1582                 }
1583
1584         if (vw->list)
1585                 {
1586                 GList *work;
1587                 GList *old;
1588
1589                 old = vw->list_pointer;
1590
1591                 work = vw->list;
1592                 while (work)
1593                         {
1594                         gchar *chk_path;
1595                         GList *chk_link;
1596
1597                         chk_path = work->data;
1598                         chk_link = work;
1599                         work = work->next;
1600
1601                         if (strcmp(chk_path, path) == 0)
1602                                 {
1603                                 if (vw->list_pointer == chk_link)
1604                                         {
1605                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1606                                         }
1607                                 vw->list = g_list_remove(vw->list, chk_path);
1608                                 g_free(chk_path);
1609                                 }
1610                         }
1611
1612                 /* handles stepping correctly when same image is in the list more than once */
1613                 if (old && old != vw->list_pointer)
1614                         {
1615                         gchar *path;
1616
1617                         if (vw->list_pointer)
1618                                 {
1619                                 path = vw->list_pointer->data;
1620                                 }
1621                         else
1622                                 {
1623                                 path = NULL;
1624                                 }
1625
1626                         image_change_path(imd, path, image_zoom_get_default(imd, zoom_mode));
1627                         }
1628                 }
1629
1630         if (vw->overlay_id != -1) image_overlay_update(imd, vw->overlay_id);
1631 }
1632
1633 static void view_real_moved(ViewWindow *vw, const gchar *source, const gchar *dest)
1634 {
1635         ImageWindow *imd;
1636         const gchar *image_path;
1637
1638         imd = view_window_active_image(vw);
1639         image_path = image_get_path(imd);
1640
1641         if (image_path && strcmp(image_path, source) == 0)
1642                 {
1643                 image_set_path(imd, dest);
1644                 }
1645
1646         if (vw->list)
1647                 {
1648                 GList *work;
1649                 work = vw->list;
1650                 while (work)
1651                         {
1652                         gchar *chk_path;
1653
1654                         chk_path = work->data;
1655
1656                         if (strcmp(chk_path, source) == 0)
1657                                 {
1658                                 work->data = g_strdup(dest);
1659                                 g_free(chk_path);
1660                                 }
1661
1662                         work = work->next;
1663                         }
1664                 }
1665 }
1666
1667 void view_window_maint_removed(const gchar *path, GList *ignore_list)
1668 {
1669         GList *work = view_window_list;
1670         while (work)
1671                 {
1672                 ViewWindow *vw = work->data;
1673                 work = work->next;
1674
1675                 view_real_removed(vw, path, ignore_list);
1676                 }
1677 }
1678
1679 void view_window_maint_moved(const gchar *source, const gchar *dest)
1680 {
1681         GList *work = view_window_list;
1682         while (work)
1683                 {
1684                 ViewWindow *vw = work->data;
1685                 work = work->next;
1686
1687                 view_real_moved(vw, source, dest);
1688                 }
1689 }
1690