src/img-view.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "img-view.h"
  24
  25 #include "collect.h"
  26 #include "collect-io.h"
  27 #include "dnd.h"
  28 #include "editors.h"
  29 #include "filedata.h"
  30 #include "fullscreen.h"
  31 #include "image.h"
  32 #include "image-load.h"
  33 #include "image-overlay.h"
  34 #include "layout.h"
  35 #include "layout_image.h"
  36 #include "layout_util.h"
  37 #include "menu.h"
  38 #include "misc.h"
  39 #include "pixbuf_util.h"
  40 #include "pixbuf-renderer.h"
  41 #include "print.h"
  42 #include "slideshow.h"
  43 #include "ui_fileops.h"
  44 #include "ui_menu.h"
  45 #include "uri_utils.h"
  46 #include "utilops.h"
  47 #include "window.h"
  48
  49 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  50
  51
  52 typedef struct _ViewWindow ViewWindow;
  53 struct _ViewWindow
  54 {
  55         GtkWidget *window;
  56         ImageWindow *imd;
  57         FullScreenData *fs;
  58         SlideShowData *ss;
  59
  60         GList *list;
  61         GList *list_pointer;
  62 };
  63
  64
  65 static GList *view_window_list = NULL;
  66
  67
  68 static GtkWidget *view_popup_menu(ViewWindow *vw);
  69 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  70 static void view_overlay_toggle(ViewWindow *vw);
  71
  72 static void view_slideshow_next(ViewWindow *vw);
  73 static void view_slideshow_prev(ViewWindow *vw);
  74 static void view_slideshow_start(ViewWindow *vw);
  75 static void view_slideshow_stop(ViewWindow *vw);
  76
  77 static void view_window_close(ViewWindow *vw);
  78
  79 static void view_window_dnd_init(ViewWindow *vw);
  80
  81 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  82
  83 /*
  84  *-----------------------------------------------------------------------------
  85  * misc
  86  *-----------------------------------------------------------------------------
  87  */
  88
  89 static ImageWindow *view_window_active_image(ViewWindow *vw)
  90 {
  91         if (vw->fs) return vw->fs->imd;
  92
  93         return vw->imd;
  94 }
  95
  96 static void view_window_set_list(ViewWindow *vw, GList *list)
  97 {
  98
  99         filelist_free(vw->list);
 100         vw->list = NULL;
 101         vw->list_pointer = NULL;
 102
 103         vw->list = filelist_copy(list);
 104 }
 105
 106 static gboolean view_window_contains_collection(ViewWindow *vw)
 107 {
 108         CollectionData *cd;
 109         CollectInfo *info;
 110
 111         cd = image_get_collection(view_window_active_image(vw), &info);
 112
 113         return (cd && info);
 114 }
 115
 116 static void view_collection_step(ViewWindow *vw, gboolean next)
 117 {
 118         ImageWindow *imd = view_window_active_image(vw);
 119         CollectionData *cd;
 120         CollectInfo *info;
 121         CollectInfo *read_ahead_info = NULL;
 122
 123         cd = image_get_collection(imd, &info);
 124
 125         if (!cd || !info) return;
 126
 127         if (next)
 128                 {
 129                 info = collection_next_by_info(cd, info);
 130                 if (options->image.enable_read_ahead)
 131                         {
 132                         read_ahead_info = collection_next_by_info(cd, info);
 133                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 134                         }
 135                 }
 136         else
 137                 {
 138                 info = collection_prev_by_info(cd, info);
 139                 if (options->image.enable_read_ahead)
 140                         {
 141                         read_ahead_info = collection_prev_by_info(cd, info);
 142                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 143                         }
 144                 }
 145
 146         if (info)
 147                 {
 148                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 149
 150                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 151                 }
 152
 153 }
 154
 155 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 156 {
 157         ImageWindow *imd = view_window_active_image(vw);
 158         CollectionData *cd;
 159         CollectInfo *info;
 160         CollectInfo *read_ahead_info = NULL;
 161
 162         cd = image_get_collection(imd, &info);
 163
 164         if (!cd || !info) return;
 165
 166         if (last)
 167                 {
 168                 info = collection_get_last(cd);
 169                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 170                 }
 171         else
 172                 {
 173                 info = collection_get_first(cd);
 174                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 175                 }
 176
 177         if (info)
 178                 {
 179                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 180                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 181                 }
 182 }
 183
 184 static void view_list_step(ViewWindow *vw, gboolean next)
 185 {
 186         ImageWindow *imd = view_window_active_image(vw);
 187         FileData *fd;
 188         GList *work;
 189         GList *work_ahead;
 190
 191         if (!vw->list) return;
 192
 193         fd = image_get_fd(imd);
 194         if (!fd) return;
 195
 196         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 197                 {
 198                 work = vw->list_pointer;
 199                 }
 200         else
 201                 {
 202                 gboolean found = FALSE;
 203
 204                 work = vw->list;
 205                 while (work && !found)
 206                         {
 207                         FileData *temp;
 208
 209                         temp = work->data;
 210
 211                         if (fd == temp)
 212                                 {
 213                                 found = TRUE;
 214                                 }
 215                         else
 216                                 {
 217                                 work = work->next;
 218                                 }
 219                         }
 220                 }
 221         if (!work) return;
 222
 223         work_ahead = NULL;
 224         if (next)
 225                 {
 226                 work = work->next;
 227                 if (work) work_ahead = work->next;
 228                 }
 229         else
 230                 {
 231                 work = work->prev;
 232                 if (work) work_ahead = work->prev;
 233                 }
 234
 235         if (!work) return;
 236
 237         vw->list_pointer = work;
 238         fd = work->data;
 239         image_change_fd(imd, fd, image_zoom_get_default(imd));
 240
 241         if (options->image.enable_read_ahead && work_ahead)
 242                 {
 243                 FileData *next_fd = work_ahead->data;
 244                 image_prebuffer_set(imd, next_fd);
 245                 }
 246 }
 247
 248 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 249 {
 250         ImageWindow *imd = view_window_active_image(vw);
 251         FileData *fd;
 252         GList *work;
 253         GList *work_ahead;
 254
 255         if (!vw->list) return;
 256
 257         if (last)
 258                 {
 259                 work = g_list_last(vw->list);
 260                 work_ahead = work->prev;
 261                 }
 262         else
 263                 {
 264                 work = vw->list;
 265                 work_ahead = work->next;
 266                 }
 267
 268         vw->list_pointer = work;
 269         fd = work->data;
 270         image_change_fd(imd, fd, image_zoom_get_default(imd));
 271
 272         if (options->image.enable_read_ahead && work_ahead)
 273                 {
 274                 FileData *next_fd = work_ahead->data;
 275                 image_prebuffer_set(imd, next_fd);
 276                 }
 277 }
 278
 279 static void view_step_next(ViewWindow *vw)
 280 {
 281         if (vw->ss)
 282                 {
 283                 view_slideshow_next(vw);
 284                 }
 285         else if (vw->list)
 286                 {
 287                 view_list_step(vw, TRUE);
 288                 }
 289         else
 290                 {
 291                 view_collection_step(vw, TRUE);
 292                 }
 293 }
 294
 295 static void view_step_prev(ViewWindow *vw)
 296 {
 297         if (vw->ss)
 298                 {
 299                 view_slideshow_prev(vw);
 300                 }
 301         else if (vw->list)
 302                 {
 303                 view_list_step(vw, FALSE);
 304                 }
 305         else
 306                 {
 307                 view_collection_step(vw, FALSE);
 308                 }
 309 }
 310
 311 static void view_step_to_end(ViewWindow *vw, gboolean last)
 312 {
 313         if (vw->list)
 314                 {
 315                 view_list_step_to_end(vw, last);
 316                 }
 317         else
 318                 {
 319                 view_collection_step_to_end(vw, last);
 320                 }
 321 }
 322
 323 /*
 324  *-----------------------------------------------------------------------------
 325  * view window keyboard
 326  *-----------------------------------------------------------------------------
 327  */
 328
 329 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 330 {
 331         ViewWindow *vw = data;
 332         ImageWindow *imd;
 333
 334         imd = view_window_active_image(vw);
 335         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 336         popup_menu_position_clamp(menu, x, y, 0);
 337 }
 338
 339 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 340 {
 341         ViewWindow *vw = data;
 342         ImageWindow *imd;
 343         gint stop_signal;
 344         GtkWidget *menu;
 345         gint x = 0;
 346         gint y = 0;
 347
 348         imd = view_window_active_image(vw);
 349
 350         stop_signal = TRUE;
 351         switch (event->keyval)
 352                 {
 353                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 354                         x -= 1;
 355                         break;
 356                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 357                         x += 1;
 358                         break;
 359                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 360                         y -= 1;
 361                         break;
 362                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 363                         y += 1;
 364                         break;
 365                 default:
 366                         stop_signal = FALSE;
 367                         break;
 368                 }
 369
 370         if (x != 0 || y!= 0)
 371                 {
 372                 if (event->state & GDK_SHIFT_MASK)
 373                         {
 374                         x *= 3;
 375                         y *= 3;
 376                         }
 377
 378                 keyboard_scroll_calc(&x, &y, event);
 379                 image_scroll(imd, x, y);
 380                 }
 381
 382         if (stop_signal) return stop_signal;
 383
 384         if (event->state & GDK_CONTROL_MASK)
 385                 {
 386                 stop_signal = TRUE;
 387                 switch (event->keyval)
 388                         {
 389                         case '1':
 390                         case '2':
 391                         case '3':
 392                         case '4':
 393                         case '5':
 394                         case '6':
 395                         case '7':
 396                         case '8':
 397                         case '9':
 398                         case '0':
 399                                 break;
 400                         case 'C': case 'c':
 401                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 402                                 break;
 403                         case 'M': case 'm':
 404                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 405                                 break;
 406                         case 'R': case 'r':
 407                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 408                                 break;
 409                         case 'D': case 'd':
 410                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 411                                 break;
 412                         case 'W': case 'w':
 413                                 view_window_close(vw);
 414                                 break;
 415                         default:
 416                                 stop_signal = FALSE;
 417                                 break;
 418                         }
 419                 }
 420         else if (event->state & GDK_SHIFT_MASK)
 421                 {
 422                 stop_signal = TRUE;
 423                 switch (event->keyval)
 424                         {
 425                         case 'R': case 'r':
 426                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 427                                 break;
 428                         case 'M': case 'm':
 429                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 430                                 break;
 431                         case 'F': case 'f':
 432                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 433                                 break;
 434                         case 'G': case 'g':
 435                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 436                                 break;
 437                         case 'P': case 'p':
 438                                 {
 439                                 FileData *fd;
 440
 441                                 view_fullscreen_toggle(vw, TRUE);
 442                                 imd = view_window_active_image(vw);
 443                                 fd = image_get_fd(imd);
 444                                 print_window_new(fd,
 445                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 446                                                  filelist_copy(vw->list), vw->window);
 447                                 }
 448                                 break;
 449                         default:
 450                                 stop_signal = FALSE;
 451                                 break;
 452                         }
 453                 }
 454         else
 455                 {
 456                 stop_signal = TRUE;
 457                 switch (event->keyval)
 458                         {
 459                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 460                         case GDK_KEY_BackSpace:
 461                         case 'B': case 'b':
 462                                 view_step_prev(vw);
 463                                 break;
 464                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 465                         case GDK_KEY_space:
 466                         case 'N': case 'n':
 467                                 view_step_next(vw);
 468                                 break;
 469                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 470                                 view_step_to_end(vw, FALSE);
 471                                 break;
 472                         case GDK_KEY_End: case GDK_KEY_KP_End:
 473                                 view_step_to_end(vw, TRUE);
 474                                 break;
 475                         case '+': case '=': case GDK_KEY_KP_Add:
 476                                 image_zoom_adjust(imd, get_zoom_increment());
 477                                 break;
 478                         case '-': case GDK_KEY_KP_Subtract:
 479                                 image_zoom_adjust(imd, -get_zoom_increment());
 480                                 break;
 481                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 482                                 image_zoom_set(imd, 0.0);
 483                                 break;
 484                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 485                                 image_zoom_set(imd, 1.0);
 486                                 break;
 487                         case '2':
 488                                 image_zoom_set(imd, 2.0);
 489                                 break;
 490                         case '3':
 491                                 image_zoom_set(imd, 3.0);
 492                                 break;
 493                         case '4':
 494                                 image_zoom_set(imd, 4.0);
 495                                 break;
 496                         case '7':
 497                                 image_zoom_set(imd, -4.0);
 498                                 break;
 499                         case '8':
 500                                 image_zoom_set(imd, -3.0);
 501                                 break;
 502                         case '9':
 503                                 image_zoom_set(imd, -2.0);
 504                                 break;
 505                         case 'W': case 'w':
 506                                 image_zoom_set_fill_geometry(imd, FALSE);
 507                                 break;
 508                         case 'H': case 'h':
 509                                 image_zoom_set_fill_geometry(imd, TRUE);
 510                                 break;
 511                         case 'R': case 'r':
 512                                 image_reload(imd);
 513                                 break;
 514                         case 'S': case 's':
 515                                 if (vw->ss)
 516                                         {
 517                                         view_slideshow_stop(vw);
 518                                         }
 519                                 else
 520                                         {
 521                                         view_slideshow_start(vw);
 522                                         }
 523                                 break;
 524                         case 'P': case 'p':
 525                                 slideshow_pause_toggle(vw->ss);
 526                                 break;
 527                         case 'F': case 'f':
 528                         case 'V': case 'v':
 529                         case GDK_KEY_F11:
 530                                 view_fullscreen_toggle(vw, FALSE);
 531                                 break;
 532                         case 'I': case 'i':
 533                                 view_overlay_toggle(vw);
 534                                 break;
 535                         case ']':
 536                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 537                                 break;
 538                         case '[':
 539                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 540                                 break;
 541                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 542                                 if (options->file_ops.enable_delete_key)
 543                                         {
 544                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 545                                         }
 546                                 break;
 547                         case GDK_KEY_Escape:
 548                                 if (vw->fs)
 549                                         {
 550                                         view_fullscreen_toggle(vw, TRUE);
 551                                         }
 552                                 else
 553                                         {
 554                                         view_window_close(vw);
 555                                         }
 556                                 break;
 557                         case GDK_KEY_Menu:
 558                         case GDK_KEY_F10:
 559                                 menu = view_popup_menu(vw);
 560                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 561                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 562                                 break;
 563                         default:
 564                                 stop_signal = FALSE;
 565                                 break;
 566                         }
 567                 }
 568         if (!stop_signal && is_help_key(event))
 569                 {
 570                 help_window_show("GuideOtherWindowsImageWindow.html");
 571                 stop_signal = TRUE;
 572                 }
 573
 574         return stop_signal;
 575 }
 576
 577 /*
 578  *-----------------------------------------------------------------------------
 579  * view window main routines
 580  *-----------------------------------------------------------------------------
 581  */
 582 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 583 {
 584         ViewWindow *vw = data;
 585         GtkWidget *menu;
 586
 587         switch (event->button)
 588                 {
 589                 case MOUSE_BUTTON_LEFT:
 590                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 591                                 {
 592                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 593                                 }
 594                         else if (options->image_lm_click_nav)
 595                                 view_step_next(vw);
 596                         break;
 597                 case MOUSE_BUTTON_MIDDLE:
 598                         if (options->image_lm_click_nav)
 599                                 view_step_prev(vw);
 600                         break;
 601                 case MOUSE_BUTTON_RIGHT:
 602                         menu = view_popup_menu(vw);
 603                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 604                         break;
 605                 default:
 606                         break;
 607                 }
 608 }
 609
 610 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 611 {
 612         ViewWindow *vw = data;
 613
 614         if ((event->state & GDK_CONTROL_MASK) ||
 615                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 616                 {
 617                 switch (event->direction)
 618                         {
 619                         case GDK_SCROLL_UP:
 620                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 621                                 break;
 622                         case GDK_SCROLL_DOWN:
 623                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 624                                 break;
 625                         default:
 626                                 break;
 627                         }
 628                 }
 629         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 630                 {
 631                 switch (event->direction)
 632                         {
 633                         case GDK_SCROLL_UP:
 634                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 635                                 break;
 636                         case GDK_SCROLL_DOWN:
 637                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 638                                 break;
 639                         case GDK_SCROLL_LEFT:
 640                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 641                                 break;
 642                         case GDK_SCROLL_RIGHT:
 643                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 644                                 break;
 645                         default:
 646                                 break;
 647                         }
 648                 }
 649         else
 650                 {
 651                 switch (event->direction)
 652                         {
 653                         case GDK_SCROLL_UP:
 654                                 view_step_prev(vw);
 655                                 break;
 656                         case GDK_SCROLL_DOWN:
 657                                 view_step_next(vw);
 658                                 break;
 659                         default:
 660                                 break;
 661                         }
 662                 }
 663 }
 664
 665 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 666 {
 667         image_set_button_func(imd, button_cb, vw);
 668         image_set_scroll_func(imd, scroll_cb, vw);
 669 }
 670
 671 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 672 {
 673         ViewWindow *vw = data;
 674
 675         vw->fs = NULL;
 676
 677         if (vw->ss) vw->ss->imd = vw->imd;
 678 }
 679
 680 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 681 {
 682         if (force_off && !vw->fs) return;
 683
 684         if (vw->fs)
 685                 {
 686                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 687                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 688
 689                 fullscreen_stop(vw->fs);
 690                 }
 691         else
 692                 {
 693                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 694
 695                 view_image_set_buttons(vw, vw->fs->imd);
 696                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 697                                  G_CALLBACK(view_window_key_press_cb), vw);
 698
 699                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 700
 701                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 702                         {
 703                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 704                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 705                         }
 706                 }
 707 }
 708
 709 static void view_overlay_toggle(ViewWindow *vw)
 710 {
 711         ImageWindow *imd;
 712
 713         imd = view_window_active_image(vw);
 714
 715         image_osd_toggle(imd);
 716 }
 717
 718 static void view_slideshow_next(ViewWindow *vw)
 719 {
 720         if (vw->ss) slideshow_next(vw->ss);
 721 }
 722
 723 static void view_slideshow_prev(ViewWindow *vw)
 724 {
 725         if (vw->ss) slideshow_prev(vw->ss);
 726 }
 727
 728 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 729 {
 730         ViewWindow *vw = data;
 731         GList *work;
 732         FileData *fd;
 733
 734         vw->ss = NULL;
 735
 736         work = vw->list;
 737         fd = image_get_fd(view_window_active_image(vw));
 738         while (work)
 739                 {
 740                 FileData *temp;
 741
 742                 temp = work->data;
 743                 if (fd == temp)
 744                         {
 745                         vw->list_pointer = work;
 746                         work = NULL;
 747                         }
 748                 else
 749                         {
 750                         work = work->next;
 751                         }
 752                 }
 753 }
 754
 755 static void view_slideshow_start(ViewWindow *vw)
 756 {
 757         if (!vw->ss)
 758                 {
 759                 CollectionData *cd;
 760                 CollectInfo *info;
 761
 762                 if (vw->list)
 763                         {
 764                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 765                                                                 filelist_copy(vw->list),
 766                                                                 view_slideshow_stop_func, vw);
 767                         vw->list_pointer = NULL;
 768                         return;
 769                         }
 770
 771                 cd = image_get_collection(view_window_active_image(vw), &info);
 772                 if (cd && info)
 773                         {
 774                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 775                                                                  view_slideshow_stop_func, vw, info);
 776                         }
 777                 }
 778 }
 779
 780 static void view_slideshow_stop(ViewWindow *vw)
 781 {
 782         if (vw->ss) slideshow_free(vw->ss);
 783 }
 784
 785 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 786 {
 787         ViewWindow *vw = data;
 788
 789         view_window_list = g_list_remove(view_window_list, vw);
 790
 791         view_slideshow_stop(vw);
 792         fullscreen_stop(vw->fs);
 793
 794         filelist_free(vw->list);
 795
 796         file_data_unregister_notify_func(view_window_notify_cb, vw);
 797
 798         g_free(vw);
 799 }
 800
 801 static void view_window_close(ViewWindow *vw)
 802 {
 803         view_slideshow_stop(vw);
 804         view_fullscreen_toggle(vw, TRUE);
 805         gtk_widget_destroy(vw->window);
 806 }
 807
 808 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 809 {
 810         ViewWindow *vw = data;
 811
 812         view_window_close(vw);
 813         return TRUE;
 814 }
 815
 816 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 817 {
 818         ViewWindow *vw;
 819         GtkAllocation req_size;
 820         GdkGeometry geometry;
 821         gint w, h;
 822
 823         if (!fd && !list && (!cd || !info)) return NULL;
 824
 825         vw = g_new0(ViewWindow, 1);
 826
 827         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 828
 829         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 830         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 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_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 835
 836         vw->imd = image_new(FALSE);
 837         image_color_profile_set(vw->imd,
 838                                 options->color_profile.input_type,
 839                                 options->color_profile.use_image);
 840         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 841
 842         image_background_set_color_from_options(vw->imd, FALSE);
 843
 844         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 845
 846         image_auto_refresh_enable(vw->imd, TRUE);
 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));
 865                 if (options->image.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->fd);
 870                         }
 871                 }
 872         else if (list)
 873                 {
 874                 view_window_set_list(vw, list);
 875                 vw->list_pointer = vw->list;
 876                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 877
 878                 if (options->image.enable_read_ahead)
 879                         {
 880                         GList *work = vw->list->next;
 881                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 882                         }
 883                 }
 884         else
 885                 {
 886                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 887                 }
 888
 889         /* Wait until image is loaded otherwise size is not defined */
 890         image_load_dimensions(fd, &w, &h);
 891
 892         if (options->image.limit_window_size)
 893                 {
 894                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 895                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 896
 897                 if (w > mw) w = mw;
 898                 if (h > mh) h = mh;
 899                 }
 900
 901         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 902         req_size.x = req_size.y = 0;
 903         req_size.width = w;
 904         req_size.height = h;
 905         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 906
 907 #if !GTK_CHECK_VERSION(3,0,0)
 908         gtk_widget_set_size_request(vw->imd->pr, w, h);
 909 #endif
 910
 911         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
 912         gtk_widget_show(vw->window);
 913
 914         view_window_list = g_list_append(view_window_list, vw);
 915
 916         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 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(FileData *fd)
 929 {
 930         GList *list;
 931
 932         if (fd)
 933                 {
 934                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 935                         {
 936                         ViewWindow *vw;
 937                         CollectionData *cd;
 938                         CollectInfo *info;
 939
 940                         cd = collection_new(fd->path);
 941                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 942                                 {
 943                                 info = collection_get_first(cd);
 944                                 }
 945                         else
 946                                 {
 947                                 collection_unref(cd);
 948                                 cd = NULL;
 949                                 info = NULL;
 950                                 }
 951                         vw = real_view_window_new(NULL, NULL, cd, info);
 952                         if (vw && cd)
 953                                 {
 954                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
 955                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
 956                                 }
 957                         }
 958                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 959                         {
 960                         list = filelist_sort_path(list);
 961                         list = filelist_filter(list, FALSE);
 962                         real_view_window_new(NULL, list, NULL, NULL);
 963                         filelist_free(list);
 964                         }
 965                 else
 966                         {
 967                         real_view_window_new(fd, NULL, NULL, NULL);
 968                         }
 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_color_from_options(vw->imd, !!vw->fs);
 999                 }
1000 }
1001
1002 gboolean 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                                 gint t;
1019
1020                                 n = g_list_length(vw->ss->list_done);
1021                                 t = n + g_list_length(vw->ss->list);
1022                                 if (n == 0) n = t;
1023                                 if (index) *index = n - 1;
1024                                 if (total) *total = t;
1025                                 }
1026                         else
1027                                 {
1028                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1029                                 if (total) *total = g_list_length(vw->list);
1030                                 }
1031                         return TRUE;
1032                         }
1033                 }
1034
1035         return FALSE;
1036 }
1037
1038 /*
1039  *-----------------------------------------------------------------------------
1040  * view window menu routines and callbacks
1041  *-----------------------------------------------------------------------------
1042  */
1043
1044 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1045 {
1046         ViewWindow *vw = data;
1047         CollectionData *cd;
1048         CollectInfo *info;
1049
1050         cd = image_get_collection(vw->imd, &info);
1051
1052         if (cd && info)
1053                 {
1054                 view_window_new_from_collection(cd, info);
1055                 }
1056         else
1057                 {
1058                 view_window_new(image_get_fd(vw->imd));
1059                 }
1060 }
1061
1062 static void view_edit_cb(GtkWidget *widget, gpointer data)
1063 {
1064         ViewWindow *vw;
1065         ImageWindow *imd;
1066         const gchar *key = data;
1067
1068         vw = submenu_item_get_data(widget);
1069         if (!vw) return;
1070
1071         if (!editor_window_flag_set(key))
1072                 {
1073                 view_fullscreen_toggle(vw, TRUE);
1074                 }
1075
1076         imd = view_window_active_image(vw);
1077         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1078 }
1079
1080 static void view_alter_cb(GtkWidget *widget, gpointer data)
1081 {
1082         ViewWindow *vw;
1083         AlterType type;
1084
1085         vw = submenu_item_get_data(widget);
1086         type = GPOINTER_TO_INT(data);
1087
1088         if (!vw) return;
1089         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1090 }
1091
1092 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1093 {
1094         ViewWindow *vw = data;
1095         ImageWindow *imd;
1096
1097         imd = view_window_active_image(vw);
1098         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1099 }
1100
1101 static void view_zoom_in_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_out_cb(GtkWidget *widget, gpointer data)
1109 {
1110         ViewWindow *vw = data;
1111
1112         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1113 }
1114
1115 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1116 {
1117         ViewWindow *vw = data;
1118
1119         image_zoom_set(view_window_active_image(vw), 1.0);
1120 }
1121
1122 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125
1126         image_zoom_set(view_window_active_image(vw), 0.0);
1127 }
1128
1129 static void view_copy_cb(GtkWidget *widget, gpointer data)
1130 {
1131         ViewWindow *vw = data;
1132         ImageWindow *imd;
1133
1134         imd = view_window_active_image(vw);
1135         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1136 }
1137
1138 static void view_move_cb(GtkWidget *widget, gpointer data)
1139 {
1140         ViewWindow *vw = data;
1141         ImageWindow *imd;
1142
1143         imd = view_window_active_image(vw);
1144         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1145 }
1146
1147 static void view_rename_cb(GtkWidget *widget, gpointer data)
1148 {
1149         ViewWindow *vw = data;
1150         ImageWindow *imd;
1151
1152         imd = view_window_active_image(vw);
1153         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1154 }
1155
1156 static void view_delete_cb(GtkWidget *widget, gpointer data)
1157 {
1158         ViewWindow *vw = data;
1159         ImageWindow *imd;
1160
1161         imd = view_window_active_image(vw);
1162         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1163 }
1164
1165 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1166 {
1167         ViewWindow *vw = data;
1168         ImageWindow *imd;
1169
1170         imd = view_window_active_image(vw);
1171         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1172 }
1173
1174 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1175 {
1176         ViewWindow *vw = data;
1177         ImageWindow *imd;
1178
1179         imd = view_window_active_image(vw);
1180         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1181 }
1182
1183 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1184 {
1185         ViewWindow *vw = data;
1186
1187         view_fullscreen_toggle(vw, FALSE);
1188 }
1189
1190 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1191 {
1192         ViewWindow *vw = data;
1193
1194         view_slideshow_start(vw);
1195 }
1196
1197 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1198 {
1199         ViewWindow *vw = data;
1200
1201         view_slideshow_stop(vw);
1202 }
1203
1204 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1205 {
1206         ViewWindow *vw = data;
1207
1208         slideshow_pause_toggle(vw->ss);
1209 }
1210
1211 static void view_close_cb(GtkWidget *widget, gpointer data)
1212 {
1213         ViewWindow *vw = data;
1214
1215         view_window_close(vw);
1216 }
1217
1218 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1219 {
1220         LayoutWindow *nw;
1221
1222         nw = layout_new(NULL, NULL);
1223         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1224         layout_set_fd(nw, fd);
1225         return nw;
1226 }
1227
1228
1229 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1230 {
1231         ViewWindow *vw = data;
1232         LayoutWindow *lw;
1233         ImageWindow *imd;
1234
1235         imd = view_window_active_image(vw);
1236
1237         if (!imd || !imd->image_fd) return;
1238
1239         lw = layout_find_by_image_fd(imd);
1240         if (lw)
1241                 layout_set_fd(lw, imd->image_fd);
1242         else
1243                 view_new_layout_with_fd(imd->image_fd);
1244         view_window_close(vw);
1245 }
1246
1247 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1248 {
1249         GList *editmenu_fd_list = data;
1250
1251         filelist_free(editmenu_fd_list);
1252 }
1253
1254 static GList *view_window_get_fd_list(ViewWindow *vw)
1255 {
1256         GList *list = NULL;
1257         ImageWindow *imd = view_window_active_image(vw);
1258
1259         if (imd)
1260                 {
1261                 FileData *fd = image_get_fd(imd);
1262                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1263                 }
1264
1265         return list;
1266 }
1267
1268 /**
1269  * @brief Add file selection list to a collection
1270  * @param[in] widget
1271  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1272  *
1273  *
1274  */
1275 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1276 {
1277         ViewWindow *vw;
1278         ImageWindow *imd;
1279         FileData *fd;
1280         GList *selection_list = NULL;
1281
1282         vw = submenu_item_get_data(widget);
1283         imd = view_window_active_image(vw);
1284         fd = image_get_fd(imd);
1285         selection_list = g_list_append(selection_list, fd);
1286         pop_menu_collections(selection_list, data);
1287
1288         filelist_free(selection_list);
1289 }
1290
1291 static GtkWidget *view_popup_menu(ViewWindow *vw)
1292 {
1293         GtkWidget *menu;
1294         GtkWidget *submenu;
1295         GtkWidget *item;
1296         GList *editmenu_fd_list;
1297
1298         menu = popup_menu_short_lived();
1299
1300
1301         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1302         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1303         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1304         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1305         menu_item_add_divider(menu);
1306
1307         editmenu_fd_list = view_window_get_fd_list(vw);
1308         g_signal_connect(G_OBJECT(menu), "destroy",
1309                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1310         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1311         menu_item_add_divider(item);
1312 #if !GTK_CHECK_VERSION(3,0,0)
1313         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1314 #endif
1315         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1316
1317         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1318         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1319
1320         menu_item_add_divider(menu);
1321         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1322         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1323         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1324         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1325         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1326         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1327
1328         menu_item_add_divider(menu);
1329
1330         submenu_add_collections(menu, &item,
1331                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1332         gtk_widget_set_sensitive(item, TRUE);
1333         menu_item_add_divider(menu);
1334
1335         if (vw->ss)
1336                 {
1337                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1338                 if (slideshow_paused(vw->ss))
1339                         {
1340                         item = menu_item_add(menu, _("Continue slides_how"),
1341                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1342                         }
1343                 else
1344                         {
1345                         item = menu_item_add(menu, _("Pause slides_how"),
1346                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1347                         }
1348                 }
1349         else
1350                 {
1351                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1352                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1353                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1354                 gtk_widget_set_sensitive(item, FALSE);
1355                 }
1356
1357         if (vw->fs)
1358                 {
1359                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1360                 }
1361         else
1362                 {
1363                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1364                 }
1365
1366         menu_item_add_divider(menu);
1367         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1368
1369         return menu;
1370 }
1371
1372 /*
1373  *-------------------------------------------------------------------
1374  * dnd confirm dir
1375  *-------------------------------------------------------------------
1376  */
1377
1378 typedef struct {
1379         ViewWindow *vw;
1380         GList *list;
1381 } CViewConfirmD;
1382
1383 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1384 {
1385         /* do nothing */
1386 }
1387
1388 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1389 {
1390         GList *work;
1391
1392         view_window_set_list(vw, NULL);
1393
1394         work = list;
1395         while (work)
1396                 {
1397                 FileData *fd = work->data;
1398                 work = work->next;
1399
1400                 if (isdir(fd->path))
1401                         {
1402                         if (!skip)
1403                                 {
1404                                 GList *list = NULL;
1405
1406                                 if (recurse)
1407                                         {
1408                                         list = filelist_recursive(fd);
1409                                         }
1410                                 else
1411                                         { /*FIXME */
1412                                         filelist_read(fd, &list, NULL);
1413                                         list = filelist_sort_path(list);
1414                                         list = filelist_filter(list, FALSE);
1415                                         }
1416                                 if (list) vw->list = g_list_concat(vw->list, list);
1417                                 }
1418                         }
1419                 else
1420                         {
1421                         /* FIXME: no filtering here */
1422                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1423                         }
1424                 }
1425
1426         if (vw->list)
1427                 {
1428                 FileData *fd;
1429
1430                 vw->list_pointer = vw->list;
1431                 fd = vw->list->data;
1432                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1433
1434                 work = vw->list->next;
1435                 if (options->image.enable_read_ahead && work)
1436                         {
1437                         fd = work->data;
1438                         image_prebuffer_set(vw->imd, fd);
1439                         }
1440                 }
1441         else
1442                 {
1443                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1444                 }
1445 }
1446
1447 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1448 {
1449         CViewConfirmD *d = data;
1450         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1451 }
1452
1453 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1454 {
1455         CViewConfirmD *d = data;
1456         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1457 }
1458
1459 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1460 {
1461         CViewConfirmD *d = data;
1462         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1463 }
1464
1465 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1466 {
1467         CViewConfirmD *d = data;
1468         filelist_free(d->list);
1469         g_free(d);
1470 }
1471
1472 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1473 {
1474         GtkWidget *menu;
1475         CViewConfirmD *d;
1476
1477         d = g_new(CViewConfirmD, 1);
1478         d->vw = vw;
1479         d->list = list;
1480
1481         menu = popup_menu_short_lived();
1482         g_signal_connect(G_OBJECT(menu), "destroy",
1483                          G_CALLBACK(view_dir_list_destroy), d);
1484
1485         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1486         menu_item_add_divider(menu);
1487         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1488         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1489         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1490         menu_item_add_divider(menu);
1491         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1492
1493         return menu;
1494 }
1495
1496 /*
1497  *-----------------------------------------------------------------------------
1498  * image drag and drop routines
1499  *-----------------------------------------------------------------------------
1500  */
1501
1502 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1503                                      gint x, gint y,
1504                                      GtkSelectionData *selection_data, guint info,
1505                                      guint time, gpointer data)
1506 {
1507         ViewWindow *vw = data;
1508         ImageWindow *imd;
1509
1510         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1511
1512         imd = vw->imd;
1513
1514         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1515                 {
1516                 CollectionData *source;
1517                 GList *list;
1518                 GList *info_list;
1519
1520                 if (info == TARGET_URI_LIST)
1521                         {
1522                         GList *work;
1523
1524                         list = uri_filelist_from_gtk_selection_data(selection_data);
1525
1526                         work = list;
1527                         while (work)
1528                                 {
1529                                 FileData *fd = work->data;
1530                                 if (isdir(fd->path))
1531                                         {
1532                                         GtkWidget *menu;
1533                                         menu = view_confirm_dir_list(vw, list);
1534                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1535                                         return;
1536                                         }
1537                                 work = work->next;
1538                                 }
1539
1540                         list = filelist_filter(list, FALSE);
1541
1542                         source = NULL;
1543                         info_list = NULL;
1544                         }
1545                 else
1546                         {
1547                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1548                         }
1549
1550                 if (list)
1551                         {
1552                         FileData *fd;
1553
1554                         fd = list->data;
1555                         if (isfile(fd->path))
1556                                 {
1557                                 view_slideshow_stop(vw);
1558                                 view_window_set_list(vw, NULL);
1559
1560                                 if (source && info_list)
1561                                         {
1562                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1563                                         }
1564                                 else
1565                                         {
1566                                         if (list->next)
1567                                                 {
1568                                                 vw->list = list;
1569                                                 list = NULL;
1570
1571                                                 vw->list_pointer = vw->list;
1572                                                 }
1573                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1574                                         }
1575                                 }
1576                         }
1577                 filelist_free(list);
1578                 g_list_free(info_list);
1579                 }
1580 }
1581
1582 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1583                                      GtkSelectionData *selection_data, guint info,
1584                                      guint time, gpointer data)
1585 {
1586         ViewWindow *vw = data;
1587         FileData *fd;
1588
1589         fd = image_get_fd(vw->imd);
1590
1591         if (fd)
1592                 {
1593                 GList *list;
1594
1595                 list = g_list_append(NULL, fd);
1596                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1597                 g_list_free(list);
1598                 }
1599         else
1600                 {
1601                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1602                                        8, NULL, 0);
1603                 }
1604 }
1605
1606 static void view_window_dnd_init(ViewWindow *vw)
1607 {
1608         ImageWindow *imd;
1609
1610         imd = vw->imd;
1611
1612         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1613                             dnd_file_drag_types, dnd_file_drag_types_count,
1614                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1615         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1616                          G_CALLBACK(view_window_set_dnd_data), vw);
1617
1618         gtk_drag_dest_set(imd->pr,
1619                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1620                           dnd_file_drop_types, dnd_file_drop_types_count,
1621                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1622         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1623                          G_CALLBACK(view_window_get_dnd_data), vw);
1624 }
1625
1626 /*
1627  *-----------------------------------------------------------------------------
1628  * maintenance (for rename, move, remove)
1629  *-----------------------------------------------------------------------------
1630  */
1631
1632 static void view_real_removed(ViewWindow *vw, FileData *fd)
1633 {
1634         ImageWindow *imd;
1635         FileData *image_fd;
1636
1637         imd = view_window_active_image(vw);
1638         image_fd = image_get_fd(imd);
1639
1640         if (image_fd && image_fd == fd)
1641                 {
1642                 if (vw->list)
1643                         {
1644                         view_list_step(vw, TRUE);
1645                         if (image_get_fd(imd) == image_fd)
1646                                 {
1647                                 view_list_step(vw, FALSE);
1648                                 }
1649                         }
1650                 else if (view_window_contains_collection(vw))
1651                         {
1652                         view_collection_step(vw, TRUE);
1653                         if (image_get_fd(imd) == image_fd)
1654                                 {
1655                                 view_collection_step(vw, FALSE);
1656                                 }
1657                         }
1658                 if (image_get_fd(imd) == image_fd)
1659                         {
1660                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1661                         }
1662                 }
1663
1664         if (vw->list)
1665                 {
1666                 GList *work;
1667                 GList *old;
1668
1669                 old = vw->list_pointer;
1670
1671                 work = vw->list;
1672                 while (work)
1673                         {
1674                         FileData *chk_fd;
1675                         GList *chk_link;
1676
1677                         chk_fd = work->data;
1678                         chk_link = work;
1679                         work = work->next;
1680
1681                         if (chk_fd == fd)
1682                                 {
1683                                 if (vw->list_pointer == chk_link)
1684                                         {
1685                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1686                                         }
1687                                 vw->list = g_list_remove(vw->list, chk_fd);
1688                                 file_data_unref(chk_fd);
1689                                 }
1690                         }
1691
1692                 /* handles stepping correctly when same image is in the list more than once */
1693                 if (old && old != vw->list_pointer)
1694                         {
1695                         FileData *fd;
1696
1697                         if (vw->list_pointer)
1698                                 {
1699                                 fd = vw->list_pointer->data;
1700                                 }
1701                         else
1702                                 {
1703                                 fd = NULL;
1704                                 }
1705
1706                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1707                         }
1708                 }
1709
1710         image_osd_update(imd);
1711 }
1712
1713 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1714 {
1715         ViewWindow *vw = data;
1716
1717         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1718
1719         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1720
1721         switch (fd->change->type)
1722                 {
1723                 case FILEDATA_CHANGE_MOVE:
1724                 case FILEDATA_CHANGE_RENAME:
1725                         break;
1726                 case FILEDATA_CHANGE_COPY:
1727                         break;
1728                 case FILEDATA_CHANGE_DELETE:
1729                         view_real_removed(vw, fd);
1730                         break;
1731                 case FILEDATA_CHANGE_UNSPECIFIED:
1732                 case FILEDATA_CHANGE_WRITE_METADATA:
1733                         break;
1734                 }
1735 }
1736 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */