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-overlay.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "menu.h"
  36 #include "misc.h"
  37 #include "pixbuf_util.h"
  38 #include "pixbuf-renderer.h"
  39 #include "print.h"
  40 #include "slideshow.h"
  41 #include "ui_fileops.h"
  42 #include "ui_menu.h"
  43 #include "uri_utils.h"
  44 #include "utilops.h"
  45 #include "window.h"
  46
  47 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  48
  49
  50 typedef struct _ViewWindow ViewWindow;
  51 struct _ViewWindow
  52 {
  53         GtkWidget *window;
  54         ImageWindow *imd;
  55         FullScreenData *fs;
  56         SlideShowData *ss;
  57
  58         GList *list;
  59         GList *list_pointer;
  60 };
  61
  62
  63 static GList *view_window_list = NULL;
  64
  65
  66 static GtkWidget *view_popup_menu(ViewWindow *vw);
  67 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  68 static void view_overlay_toggle(ViewWindow *vw);
  69
  70 static void view_slideshow_next(ViewWindow *vw);
  71 static void view_slideshow_prev(ViewWindow *vw);
  72 static void view_slideshow_start(ViewWindow *vw);
  73 static void view_slideshow_stop(ViewWindow *vw);
  74
  75 static void view_window_close(ViewWindow *vw);
  76
  77 static void view_window_dnd_init(ViewWindow *vw);
  78
  79 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  80
  81 /*
  82  *-----------------------------------------------------------------------------
  83  * misc
  84  *-----------------------------------------------------------------------------
  85  */
  86
  87 static ImageWindow *view_window_active_image(ViewWindow *vw)
  88 {
  89         if (vw->fs) return vw->fs->imd;
  90
  91         return vw->imd;
  92 }
  93
  94 static void view_window_set_list(ViewWindow *vw, GList *list)
  95 {
  96
  97         filelist_free(vw->list);
  98         vw->list = NULL;
  99         vw->list_pointer = NULL;
 100
 101         vw->list = filelist_copy(list);
 102 }
 103
 104 static gboolean view_window_contains_collection(ViewWindow *vw)
 105 {
 106         CollectionData *cd;
 107         CollectInfo *info;
 108
 109         cd = image_get_collection(view_window_active_image(vw), &info);
 110
 111         return (cd && info);
 112 }
 113
 114 static void view_collection_step(ViewWindow *vw, gboolean next)
 115 {
 116         ImageWindow *imd = view_window_active_image(vw);
 117         CollectionData *cd;
 118         CollectInfo *info;
 119         CollectInfo *read_ahead_info = NULL;
 120
 121         cd = image_get_collection(imd, &info);
 122
 123         if (!cd || !info) return;
 124
 125         if (next)
 126                 {
 127                 info = collection_next_by_info(cd, info);
 128                 if (options->image.enable_read_ahead)
 129                         {
 130                         read_ahead_info = collection_next_by_info(cd, info);
 131                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 132                         }
 133                 }
 134         else
 135                 {
 136                 info = collection_prev_by_info(cd, info);
 137                 if (options->image.enable_read_ahead)
 138                         {
 139                         read_ahead_info = collection_prev_by_info(cd, info);
 140                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 141                         }
 142                 }
 143
 144         if (info)
 145                 {
 146                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 147
 148                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 149                 }
 150
 151 }
 152
 153 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 154 {
 155         ImageWindow *imd = view_window_active_image(vw);
 156         CollectionData *cd;
 157         CollectInfo *info;
 158         CollectInfo *read_ahead_info = NULL;
 159
 160         cd = image_get_collection(imd, &info);
 161
 162         if (!cd || !info) return;
 163
 164         if (last)
 165                 {
 166                 info = collection_get_last(cd);
 167                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 168                 }
 169         else
 170                 {
 171                 info = collection_get_first(cd);
 172                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 173                 }
 174
 175         if (info)
 176                 {
 177                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 178                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 179                 }
 180 }
 181
 182 static void view_list_step(ViewWindow *vw, gboolean next)
 183 {
 184         ImageWindow *imd = view_window_active_image(vw);
 185         FileData *fd;
 186         GList *work;
 187         GList *work_ahead;
 188
 189         if (!vw->list) return;
 190
 191         fd = image_get_fd(imd);
 192         if (!fd) return;
 193
 194         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 195                 {
 196                 work = vw->list_pointer;
 197                 }
 198         else
 199                 {
 200                 gboolean found = FALSE;
 201
 202                 work = vw->list;
 203                 while (work && !found)
 204                         {
 205                         FileData *temp;
 206
 207                         temp = work->data;
 208
 209                         if (fd == temp)
 210                                 {
 211                                 found = TRUE;
 212                                 }
 213                         else
 214                                 {
 215                                 work = work->next;
 216                                 }
 217                         }
 218                 }
 219         if (!work) return;
 220
 221         work_ahead = NULL;
 222         if (next)
 223                 {
 224                 work = work->next;
 225                 if (work) work_ahead = work->next;
 226                 }
 227         else
 228                 {
 229                 work = work->prev;
 230                 if (work) work_ahead = work->prev;
 231                 }
 232
 233         if (!work) return;
 234
 235         vw->list_pointer = work;
 236         fd = work->data;
 237         image_change_fd(imd, fd, image_zoom_get_default(imd));
 238
 239         if (options->image.enable_read_ahead && work_ahead)
 240                 {
 241                 FileData *next_fd = work_ahead->data;
 242                 image_prebuffer_set(imd, next_fd);
 243                 }
 244 }
 245
 246 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 247 {
 248         ImageWindow *imd = view_window_active_image(vw);
 249         FileData *fd;
 250         GList *work;
 251         GList *work_ahead;
 252
 253         if (!vw->list) return;
 254
 255         if (last)
 256                 {
 257                 work = g_list_last(vw->list);
 258                 work_ahead = work->prev;
 259                 }
 260         else
 261                 {
 262                 work = vw->list;
 263                 work_ahead = work->next;
 264                 }
 265
 266         vw->list_pointer = work;
 267         fd = work->data;
 268         image_change_fd(imd, fd, image_zoom_get_default(imd));
 269
 270         if (options->image.enable_read_ahead && work_ahead)
 271                 {
 272                 FileData *next_fd = work_ahead->data;
 273                 image_prebuffer_set(imd, next_fd);
 274                 }
 275 }
 276
 277 static void view_step_next(ViewWindow *vw)
 278 {
 279         if (vw->ss)
 280                 {
 281                 view_slideshow_next(vw);
 282                 }
 283         else if (vw->list)
 284                 {
 285                 view_list_step(vw, TRUE);
 286                 }
 287         else
 288                 {
 289                 view_collection_step(vw, TRUE);
 290                 }
 291 }
 292
 293 static void view_step_prev(ViewWindow *vw)
 294 {
 295         if (vw->ss)
 296                 {
 297                 view_slideshow_prev(vw);
 298                 }
 299         else if (vw->list)
 300                 {
 301                 view_list_step(vw, FALSE);
 302                 }
 303         else
 304                 {
 305                 view_collection_step(vw, FALSE);
 306                 }
 307 }
 308
 309 static void view_step_to_end(ViewWindow *vw, gboolean last)
 310 {
 311         if (vw->list)
 312                 {
 313                 view_list_step_to_end(vw, last);
 314                 }
 315         else
 316                 {
 317                 view_collection_step_to_end(vw, last);
 318                 }
 319 }
 320
 321 /*
 322  *-----------------------------------------------------------------------------
 323  * view window keyboard
 324  *-----------------------------------------------------------------------------
 325  */
 326
 327 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 328 {
 329         ViewWindow *vw = data;
 330         ImageWindow *imd;
 331
 332         imd = view_window_active_image(vw);
 333         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 334         popup_menu_position_clamp(menu, x, y, 0);
 335 }
 336
 337 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 338 {
 339         ViewWindow *vw = data;
 340         ImageWindow *imd;
 341         gint stop_signal;
 342         GtkWidget *menu;
 343         gint x = 0;
 344         gint y = 0;
 345
 346         imd = view_window_active_image(vw);
 347
 348         stop_signal = TRUE;
 349         switch (event->keyval)
 350                 {
 351                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 352                         x -= 1;
 353                         break;
 354                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 355                         x += 1;
 356                         break;
 357                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 358                         y -= 1;
 359                         break;
 360                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 361                         y += 1;
 362                         break;
 363                 default:
 364                         stop_signal = FALSE;
 365                         break;
 366                 }
 367
 368         if (x != 0 || y!= 0)
 369                 {
 370                 if (event->state & GDK_SHIFT_MASK)
 371                         {
 372                         x *= 3;
 373                         y *= 3;
 374                         }
 375
 376                 keyboard_scroll_calc(&x, &y, event);
 377                 image_scroll(imd, x, y);
 378                 }
 379
 380         if (stop_signal) return stop_signal;
 381
 382         if (event->state & GDK_CONTROL_MASK)
 383                 {
 384                 stop_signal = TRUE;
 385                 switch (event->keyval)
 386                         {
 387                         case '1':
 388                         case '2':
 389                         case '3':
 390                         case '4':
 391                         case '5':
 392                         case '6':
 393                         case '7':
 394                         case '8':
 395                         case '9':
 396                         case '0':
 397                                 break;
 398                         case 'C': case 'c':
 399                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 400                                 break;
 401                         case 'M': case 'm':
 402                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 403                                 break;
 404                         case 'R': case 'r':
 405                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 406                                 break;
 407                         case 'D': case 'd':
 408                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 409                                 break;
 410                         case 'W': case 'w':
 411                                 view_window_close(vw);
 412                                 break;
 413                         default:
 414                                 stop_signal = FALSE;
 415                                 break;
 416                         }
 417                 }
 418         else if (event->state & GDK_SHIFT_MASK)
 419                 {
 420                 stop_signal = TRUE;
 421                 switch (event->keyval)
 422                         {
 423                         case 'R': case 'r':
 424                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 425                                 break;
 426                         case 'M': case 'm':
 427                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 428                                 break;
 429                         case 'F': case 'f':
 430                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 431                                 break;
 432                         case 'G': case 'g':
 433                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 434                                 break;
 435                         case 'P': case 'p':
 436                                 {
 437                                 FileData *fd;
 438
 439                                 view_fullscreen_toggle(vw, TRUE);
 440                                 imd = view_window_active_image(vw);
 441                                 fd = image_get_fd(imd);
 442                                 print_window_new(fd,
 443                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 444                                                  filelist_copy(vw->list), vw->window);
 445                                 }
 446                                 break;
 447                         default:
 448                                 stop_signal = FALSE;
 449                                 break;
 450                         }
 451                 }
 452         else
 453                 {
 454                 stop_signal = TRUE;
 455                 switch (event->keyval)
 456                         {
 457                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 458                         case GDK_KEY_BackSpace:
 459                         case 'B': case 'b':
 460                                 view_step_prev(vw);
 461                                 break;
 462                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 463                         case GDK_KEY_space:
 464                         case 'N': case 'n':
 465                                 view_step_next(vw);
 466                                 break;
 467                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 468                                 view_step_to_end(vw, FALSE);
 469                                 break;
 470                         case GDK_KEY_End: case GDK_KEY_KP_End:
 471                                 view_step_to_end(vw, TRUE);
 472                                 break;
 473                         case '+': case '=': case GDK_KEY_KP_Add:
 474                                 image_zoom_adjust(imd, get_zoom_increment());
 475                                 break;
 476                         case '-': case GDK_KEY_KP_Subtract:
 477                                 image_zoom_adjust(imd, -get_zoom_increment());
 478                                 break;
 479                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 480                                 image_zoom_set(imd, 0.0);
 481                                 break;
 482                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 483                                 image_zoom_set(imd, 1.0);
 484                                 break;
 485                         case '2':
 486                                 image_zoom_set(imd, 2.0);
 487                                 break;
 488                         case '3':
 489                                 image_zoom_set(imd, 3.0);
 490                                 break;
 491                         case '4':
 492                                 image_zoom_set(imd, 4.0);
 493                                 break;
 494                         case '7':
 495                                 image_zoom_set(imd, -4.0);
 496                                 break;
 497                         case '8':
 498                                 image_zoom_set(imd, -3.0);
 499                                 break;
 500                         case '9':
 501                                 image_zoom_set(imd, -2.0);
 502                                 break;
 503                         case 'W': case 'w':
 504                                 image_zoom_set_fill_geometry(imd, FALSE);
 505                                 break;
 506                         case 'H': case 'h':
 507                                 image_zoom_set_fill_geometry(imd, TRUE);
 508                                 break;
 509                         case 'R': case 'r':
 510                                 image_reload(imd);
 511                                 break;
 512                         case 'S': case 's':
 513                                 if (vw->ss)
 514                                         {
 515                                         view_slideshow_stop(vw);
 516                                         }
 517                                 else
 518                                         {
 519                                         view_slideshow_start(vw);
 520                                         }
 521                                 break;
 522                         case 'P': case 'p':
 523                                 slideshow_pause_toggle(vw->ss);
 524                                 break;
 525                         case 'F': case 'f':
 526                         case 'V': case 'v':
 527                         case GDK_KEY_F11:
 528                                 view_fullscreen_toggle(vw, FALSE);
 529                                 break;
 530                         case 'I': case 'i':
 531                                 view_overlay_toggle(vw);
 532                                 break;
 533                         case ']':
 534                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 535                                 break;
 536                         case '[':
 537                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 538                                 break;
 539                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 540                                 if (options->file_ops.enable_delete_key)
 541                                         {
 542                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 543                                         }
 544                                 break;
 545                         case GDK_KEY_Escape:
 546                                 if (vw->fs)
 547                                         {
 548                                         view_fullscreen_toggle(vw, TRUE);
 549                                         }
 550                                 else
 551                                         {
 552                                         view_window_close(vw);
 553                                         }
 554                                 break;
 555                         case GDK_KEY_Menu:
 556                         case GDK_KEY_F10:
 557                                 menu = view_popup_menu(vw);
 558                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 559                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 560                                 break;
 561                         default:
 562                                 stop_signal = FALSE;
 563                                 break;
 564                         }
 565                 }
 566
 567         return stop_signal;
 568 }
 569
 570 /*
 571  *-----------------------------------------------------------------------------
 572  * view window main routines
 573  *-----------------------------------------------------------------------------
 574  */
 575 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 576 {
 577         ViewWindow *vw = data;
 578         GtkWidget *menu;
 579
 580         switch (event->button)
 581                 {
 582                 case MOUSE_BUTTON_LEFT:
 583                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 584                                 {
 585                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 586                                 }
 587                         else if (options->image_lm_click_nav)
 588                                 view_step_next(vw);
 589                         break;
 590                 case MOUSE_BUTTON_MIDDLE:
 591                         if (options->image_lm_click_nav)
 592                                 view_step_prev(vw);
 593                         break;
 594                 case MOUSE_BUTTON_RIGHT:
 595                         menu = view_popup_menu(vw);
 596                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 597                         break;
 598                 default:
 599                         break;
 600                 }
 601 }
 602
 603 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 604 {
 605         ViewWindow *vw = data;
 606
 607         if ((event->state & GDK_CONTROL_MASK) ||
 608                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 609                 {
 610                 switch (event->direction)
 611                         {
 612                         case GDK_SCROLL_UP:
 613                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 614                                 break;
 615                         case GDK_SCROLL_DOWN:
 616                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 617                                 break;
 618                         default:
 619                                 break;
 620                         }
 621                 }
 622         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 623                 {
 624                 switch (event->direction)
 625                         {
 626                         case GDK_SCROLL_UP:
 627                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 628                                 break;
 629                         case GDK_SCROLL_DOWN:
 630                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 631                                 break;
 632                         case GDK_SCROLL_LEFT:
 633                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 634                                 break;
 635                         case GDK_SCROLL_RIGHT:
 636                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 637                                 break;
 638                         default:
 639                                 break;
 640                         }
 641                 }
 642         else
 643                 {
 644                 switch (event->direction)
 645                         {
 646                         case GDK_SCROLL_UP:
 647                                 view_step_prev(vw);
 648                                 break;
 649                         case GDK_SCROLL_DOWN:
 650                                 view_step_next(vw);
 651                                 break;
 652                         default:
 653                                 break;
 654                         }
 655                 }
 656 }
 657
 658 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 659 {
 660         image_set_button_func(imd, button_cb, vw);
 661         image_set_scroll_func(imd, scroll_cb, vw);
 662 }
 663
 664 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 665 {
 666         ViewWindow *vw = data;
 667
 668         vw->fs = NULL;
 669
 670         if (vw->ss) vw->ss->imd = vw->imd;
 671 }
 672
 673 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 674 {
 675         if (force_off && !vw->fs) return;
 676
 677         if (vw->fs)
 678                 {
 679                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 680                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 681
 682                 fullscreen_stop(vw->fs);
 683                 }
 684         else
 685                 {
 686                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 687
 688                 view_image_set_buttons(vw, vw->fs->imd);
 689                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 690                                  G_CALLBACK(view_window_key_press_cb), vw);
 691
 692                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 693
 694                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 695                         {
 696                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 697                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 698                         }
 699                 }
 700 }
 701
 702 static void view_overlay_toggle(ViewWindow *vw)
 703 {
 704         ImageWindow *imd;
 705
 706         imd = view_window_active_image(vw);
 707
 708         image_osd_toggle(imd);
 709 }
 710
 711 static void view_slideshow_next(ViewWindow *vw)
 712 {
 713         if (vw->ss) slideshow_next(vw->ss);
 714 }
 715
 716 static void view_slideshow_prev(ViewWindow *vw)
 717 {
 718         if (vw->ss) slideshow_prev(vw->ss);
 719 }
 720
 721 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 722 {
 723         ViewWindow *vw = data;
 724         GList *work;
 725         FileData *fd;
 726
 727         vw->ss = NULL;
 728
 729         work = vw->list;
 730         fd = image_get_fd(view_window_active_image(vw));
 731         while (work)
 732                 {
 733                 FileData *temp;
 734
 735                 temp = work->data;
 736                 if (fd == temp)
 737                         {
 738                         vw->list_pointer = work;
 739                         work = NULL;
 740                         }
 741                 else
 742                         {
 743                         work = work->next;
 744                         }
 745                 }
 746 }
 747
 748 static void view_slideshow_start(ViewWindow *vw)
 749 {
 750         if (!vw->ss)
 751                 {
 752                 CollectionData *cd;
 753                 CollectInfo *info;
 754
 755                 if (vw->list)
 756                         {
 757                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 758                                                                 filelist_copy(vw->list),
 759                                                                 view_slideshow_stop_func, vw);
 760                         vw->list_pointer = NULL;
 761                         return;
 762                         }
 763
 764                 cd = image_get_collection(view_window_active_image(vw), &info);
 765                 if (cd && info)
 766                         {
 767                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 768                                                                  view_slideshow_stop_func, vw, info);
 769                         }
 770                 }
 771 }
 772
 773 static void view_slideshow_stop(ViewWindow *vw)
 774 {
 775         if (vw->ss) slideshow_free(vw->ss);
 776 }
 777
 778 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 779 {
 780         ViewWindow *vw = data;
 781
 782         view_window_list = g_list_remove(view_window_list, vw);
 783
 784         view_slideshow_stop(vw);
 785         fullscreen_stop(vw->fs);
 786
 787         filelist_free(vw->list);
 788
 789         file_data_unregister_notify_func(view_window_notify_cb, vw);
 790
 791         g_free(vw);
 792 }
 793
 794 static void view_window_close(ViewWindow *vw)
 795 {
 796         view_slideshow_stop(vw);
 797         view_fullscreen_toggle(vw, TRUE);
 798         gtk_widget_destroy(vw->window);
 799 }
 800
 801 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 802 {
 803         ViewWindow *vw = data;
 804
 805         view_window_close(vw);
 806         return TRUE;
 807 }
 808
 809 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 810 {
 811         ViewWindow *vw;
 812         GtkAllocation req_size;
 813         GdkGeometry geometry;
 814         gint w, h;
 815
 816         if (!fd && !list && (!cd || !info)) return NULL;
 817
 818         vw = g_new0(ViewWindow, 1);
 819
 820         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 821
 822         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 823         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 824         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 825
 826         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 827         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 828
 829         vw->imd = image_new(FALSE);
 830         image_color_profile_set(vw->imd,
 831                                 options->color_profile.input_type,
 832                                 options->color_profile.use_image);
 833         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 834
 835         image_background_set_color_from_options(vw->imd, FALSE);
 836
 837         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 838
 839         image_auto_refresh_enable(vw->imd, TRUE);
 840         image_top_window_set_sync(vw->imd, TRUE);
 841
 842         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 843         gtk_widget_show(vw->imd->widget);
 844
 845         view_window_dnd_init(vw);
 846
 847         view_image_set_buttons(vw, vw->imd);
 848
 849         g_signal_connect(G_OBJECT(vw->window), "destroy",
 850                          G_CALLBACK(view_window_destroy_cb), vw);
 851         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 852                          G_CALLBACK(view_window_delete_cb), vw);
 853         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 854                          G_CALLBACK(view_window_key_press_cb), vw);
 855         if (cd && info)
 856                 {
 857                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 858                 if (options->image.enable_read_ahead)
 859                         {
 860                         CollectInfo * r_info = collection_next_by_info(cd, info);
 861                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 862                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 863                         }
 864                 }
 865         else if (list)
 866                 {
 867                 view_window_set_list(vw, list);
 868                 vw->list_pointer = vw->list;
 869                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 870
 871                 if (options->image.enable_read_ahead)
 872                         {
 873                         GList *work = vw->list->next;
 874                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 875                         }
 876                 }
 877         else
 878                 {
 879                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 880                 }
 881
 882         /* Wait until image is loaded otherwise size is not defined */
 883         int count;
 884         for (count = 10; count && !w && !h; count++)
 885                 {
 886                 image_get_image_size(vw->imd, &w, &h);
 887                 usleep(100000);
 888                 }
 889
 890         if (image_zoom_get(vw->imd) == 0.0)
 891                 {
 892                 image_get_image_size(vw->imd, &w, &h);
 893                 }
 894         else
 895                 {
 896                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 897                 }
 898         if (options->image.limit_window_size)
 899                 {
 900                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 901                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 902
 903                 if (w > mw) w = mw;
 904                 if (h > mh) h = mh;
 905                 }
 906
 907         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 908         req_size.x = req_size.y = 0;
 909         req_size.width = w;
 910         req_size.height = h;
 911         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 912
 913 #if !GTK_CHECK_VERSION(3,0,0)
 914         gtk_widget_set_size_request(vw->imd->pr, w, h);
 915 #endif
 916
 917         gtk_widget_show(vw->window);
 918
 919         view_window_list = g_list_append(view_window_list, vw);
 920
 921         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 922
 923         return vw;
 924 }
 925
 926 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 927 {
 928         CollectionData *cd = data;
 929
 930         collection_unref(cd);
 931 }
 932
 933 void view_window_new(FileData *fd)
 934 {
 935         GList *list;
 936
 937         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 938                 {
 939                 ViewWindow *vw;
 940                 CollectionData *cd;
 941                 CollectInfo *info;
 942
 943                 cd = collection_new(fd->path);
 944                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 945                         {
 946                         info = collection_get_first(cd);
 947                         }
 948                 else
 949                         {
 950                         collection_unref(cd);
 951                         cd = NULL;
 952                         info = NULL;
 953                         }
 954                 vw = real_view_window_new(NULL, NULL, cd, info);
 955                 if (vw && cd)
 956                         {
 957                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 958                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 959                         }
 960                 }
 961         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 962                 {
 963                 list = filelist_sort_path(list);
 964                 list = filelist_filter(list, FALSE);
 965                 real_view_window_new(NULL, list, NULL, NULL);
 966                 filelist_free(list);
 967                 }
 968         else
 969                 {
 970                 real_view_window_new(fd, NULL, NULL, NULL);
 971                 }
 972 }
 973
 974 void view_window_new_from_list(GList *list)
 975 {
 976         real_view_window_new(NULL, list, NULL, NULL);
 977 }
 978
 979 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 980 {
 981         real_view_window_new(NULL, NULL, cd, info);
 982 }
 983
 984 /*
 985  *-----------------------------------------------------------------------------
 986  * public
 987  *-----------------------------------------------------------------------------
 988  */
 989
 990 void view_window_colors_update(void)
 991 {
 992         GList *work;
 993
 994         work = view_window_list;
 995         while (work)
 996                 {
 997                 ViewWindow *vw = work->data;
 998                 work = work->next;
 999
1000                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1001                 }
1002 }
1003
1004 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1005 {
1006         GList *work;
1007
1008         work = view_window_list;
1009         while (work)
1010                 {
1011                 ViewWindow *vw = work->data;
1012                 work = work->next;
1013
1014                 if (vw->imd == imd ||
1015                     (vw->fs && vw->fs->imd == imd))
1016                         {
1017                         if (vw->ss)
1018                                 {
1019                                 gint n;
1020                                 gint t;
1021
1022                                 n = g_list_length(vw->ss->list_done);
1023                                 t = n + g_list_length(vw->ss->list);
1024                                 if (n == 0) n = t;
1025                                 if (index) *index = n - 1;
1026                                 if (total) *total = t;
1027                                 }
1028                         else
1029                                 {
1030                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1031                                 if (total) *total = g_list_length(vw->list);
1032                                 }
1033                         return TRUE;
1034                         }
1035                 }
1036
1037         return FALSE;
1038 }
1039
1040 /*
1041  *-----------------------------------------------------------------------------
1042  * view window menu routines and callbacks
1043  *-----------------------------------------------------------------------------
1044  */
1045
1046 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1047 {
1048         ViewWindow *vw = data;
1049         CollectionData *cd;
1050         CollectInfo *info;
1051
1052         cd = image_get_collection(vw->imd, &info);
1053
1054         if (cd && info)
1055                 {
1056                 view_window_new_from_collection(cd, info);
1057                 }
1058         else
1059                 {
1060                 view_window_new(image_get_fd(vw->imd));
1061                 }
1062 }
1063
1064 static void view_edit_cb(GtkWidget *widget, gpointer data)
1065 {
1066         ViewWindow *vw;
1067         ImageWindow *imd;
1068         const gchar *key = data;
1069
1070         vw = submenu_item_get_data(widget);
1071         if (!vw) return;
1072
1073         if (!editor_window_flag_set(key))
1074                 {
1075                 view_fullscreen_toggle(vw, TRUE);
1076                 }
1077
1078         imd = view_window_active_image(vw);
1079         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1080 }
1081
1082 static void view_alter_cb(GtkWidget *widget, gpointer data)
1083 {
1084         ViewWindow *vw;
1085         AlterType type;
1086
1087         vw = submenu_item_get_data(widget);
1088         type = GPOINTER_TO_INT(data);
1089
1090         if (!vw) return;
1091         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1092 }
1093
1094 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1095 {
1096         ViewWindow *vw = data;
1097         ImageWindow *imd;
1098
1099         imd = view_window_active_image(vw);
1100         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1101 }
1102
1103 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1104 {
1105         ViewWindow *vw = data;
1106
1107         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1108 }
1109
1110 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1111 {
1112         ViewWindow *vw = data;
1113
1114         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1115 }
1116
1117 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1118 {
1119         ViewWindow *vw = data;
1120
1121         image_zoom_set(view_window_active_image(vw), 1.0);
1122 }
1123
1124 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1125 {
1126         ViewWindow *vw = data;
1127
1128         image_zoom_set(view_window_active_image(vw), 0.0);
1129 }
1130
1131 static void view_copy_cb(GtkWidget *widget, gpointer data)
1132 {
1133         ViewWindow *vw = data;
1134         ImageWindow *imd;
1135
1136         imd = view_window_active_image(vw);
1137         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1138 }
1139
1140 static void view_move_cb(GtkWidget *widget, gpointer data)
1141 {
1142         ViewWindow *vw = data;
1143         ImageWindow *imd;
1144
1145         imd = view_window_active_image(vw);
1146         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1147 }
1148
1149 static void view_rename_cb(GtkWidget *widget, gpointer data)
1150 {
1151         ViewWindow *vw = data;
1152         ImageWindow *imd;
1153
1154         imd = view_window_active_image(vw);
1155         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1156 }
1157
1158 static void view_delete_cb(GtkWidget *widget, gpointer data)
1159 {
1160         ViewWindow *vw = data;
1161         ImageWindow *imd;
1162
1163         imd = view_window_active_image(vw);
1164         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1165 }
1166
1167 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1168 {
1169         ViewWindow *vw = data;
1170         ImageWindow *imd;
1171
1172         imd = view_window_active_image(vw);
1173         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1174 }
1175
1176 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1177 {
1178         ViewWindow *vw = data;
1179         ImageWindow *imd;
1180
1181         imd = view_window_active_image(vw);
1182         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1183 }
1184
1185 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1186 {
1187         ViewWindow *vw = data;
1188
1189         view_fullscreen_toggle(vw, FALSE);
1190 }
1191
1192 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1193 {
1194         ViewWindow *vw = data;
1195
1196         view_slideshow_start(vw);
1197 }
1198
1199 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1200 {
1201         ViewWindow *vw = data;
1202
1203         view_slideshow_stop(vw);
1204 }
1205
1206 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1207 {
1208         ViewWindow *vw = data;
1209
1210         slideshow_pause_toggle(vw->ss);
1211 }
1212
1213 static void view_close_cb(GtkWidget *widget, gpointer data)
1214 {
1215         ViewWindow *vw = data;
1216
1217         view_window_close(vw);
1218 }
1219
1220 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1221 {
1222         LayoutWindow *nw;
1223
1224         nw = layout_new(NULL, NULL);
1225         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1226         layout_set_fd(nw, fd);
1227         return nw;
1228 }
1229
1230
1231 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1232 {
1233         ViewWindow *vw = data;
1234         LayoutWindow *lw;
1235         ImageWindow *imd;
1236
1237         imd = view_window_active_image(vw);
1238
1239         if (!imd || !imd->image_fd) return;
1240
1241         lw = layout_find_by_image_fd(imd);
1242         if (lw)
1243                 layout_set_fd(lw, imd->image_fd);
1244         else
1245                 view_new_layout_with_fd(imd->image_fd);
1246         view_window_close(vw);
1247 }
1248
1249 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1250 {
1251         GList *editmenu_fd_list = data;
1252
1253         filelist_free(editmenu_fd_list);
1254 }
1255
1256 static GList *view_window_get_fd_list(ViewWindow *vw)
1257 {
1258         GList *list = NULL;
1259         ImageWindow *imd = view_window_active_image(vw);
1260
1261         if (imd)
1262                 {
1263                 FileData *fd = image_get_fd(imd);
1264                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1265                 }
1266
1267         return list;
1268 }
1269
1270 /**
1271  * @brief Add file selection list to a collection
1272  * @param[in] widget
1273  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1274  *
1275  *
1276  */
1277 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1278 {
1279         ViewWindow *vw;
1280         ImageWindow *imd;
1281         FileData *fd;
1282         GList *selection_list = NULL;
1283
1284         vw = submenu_item_get_data(widget);
1285         imd = view_window_active_image(vw);
1286         fd = image_get_fd(imd);
1287         selection_list = g_list_append(selection_list, fd);
1288         pop_menu_collections(selection_list, data);
1289
1290         filelist_free(selection_list);
1291 }
1292
1293 static GtkWidget *view_popup_menu(ViewWindow *vw)
1294 {
1295         GtkWidget *menu;
1296         GtkWidget *submenu;
1297         GtkWidget *item;
1298         GList *editmenu_fd_list;
1299
1300         menu = popup_menu_short_lived();
1301
1302
1303         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1304         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1305         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1306         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1307         menu_item_add_divider(menu);
1308
1309         editmenu_fd_list = view_window_get_fd_list(vw);
1310         g_signal_connect(G_OBJECT(menu), "destroy",
1311                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1312         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1313         menu_item_add_divider(item);
1314 #if !GTK_CHECK_VERSION(3,0,0)
1315         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1316 #endif
1317         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1318
1319         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1320         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1321
1322         menu_item_add_divider(menu);
1323         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1324         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1325         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1326         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1327         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1328         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1329
1330         menu_item_add_divider(menu);
1331
1332         submenu = submenu_add_collections(menu, &item,
1333                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1334         gtk_widget_set_sensitive(item, TRUE);
1335         menu_item_add_divider(menu);
1336
1337         if (vw->ss)
1338                 {
1339                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1340                 if (slideshow_paused(vw->ss))
1341                         {
1342                         item = menu_item_add(menu, _("Continue slides_how"),
1343                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1344                         }
1345                 else
1346                         {
1347                         item = menu_item_add(menu, _("Pause slides_how"),
1348                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1349                         }
1350                 }
1351         else
1352                 {
1353                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1354                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1355                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1356                 gtk_widget_set_sensitive(item, FALSE);
1357                 }
1358
1359         if (vw->fs)
1360                 {
1361                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1362                 }
1363         else
1364                 {
1365                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1366                 }
1367
1368         menu_item_add_divider(menu);
1369         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1370
1371         return menu;
1372 }
1373
1374 /*
1375  *-------------------------------------------------------------------
1376  * dnd confirm dir
1377  *-------------------------------------------------------------------
1378  */
1379
1380 typedef struct {
1381         ViewWindow *vw;
1382         GList *list;
1383 } CViewConfirmD;
1384
1385 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1386 {
1387         /* do nothing */
1388 }
1389
1390 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1391 {
1392         GList *work;
1393
1394         view_window_set_list(vw, NULL);
1395
1396         work = list;
1397         while (work)
1398                 {
1399                 FileData *fd = work->data;
1400                 work = work->next;
1401
1402                 if (isdir(fd->path))
1403                         {
1404                         if (!skip)
1405                                 {
1406                                 GList *list = NULL;
1407
1408                                 if (recurse)
1409                                         {
1410                                         list = filelist_recursive(fd);
1411                                         }
1412                                 else
1413                                         { /*FIXME */
1414                                         filelist_read(fd, &list, NULL);
1415                                         list = filelist_sort_path(list);
1416                                         list = filelist_filter(list, FALSE);
1417                                         }
1418                                 if (list) vw->list = g_list_concat(vw->list, list);
1419                                 }
1420                         }
1421                 else
1422                         {
1423                         /* FIXME: no filtering here */
1424                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1425                         }
1426                 }
1427
1428         if (vw->list)
1429                 {
1430                 FileData *fd;
1431
1432                 vw->list_pointer = vw->list;
1433                 fd = vw->list->data;
1434                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1435
1436                 work = vw->list->next;
1437                 if (options->image.enable_read_ahead && work)
1438                         {
1439                         fd = work->data;
1440                         image_prebuffer_set(vw->imd, fd);
1441                         }
1442                 }
1443         else
1444                 {
1445                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1446                 }
1447 }
1448
1449 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1450 {
1451         CViewConfirmD *d = data;
1452         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1453 }
1454
1455 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1456 {
1457         CViewConfirmD *d = data;
1458         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1459 }
1460
1461 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1462 {
1463         CViewConfirmD *d = data;
1464         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1465 }
1466
1467 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1468 {
1469         CViewConfirmD *d = data;
1470         filelist_free(d->list);
1471         g_free(d);
1472 }
1473
1474 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1475 {
1476         GtkWidget *menu;
1477         CViewConfirmD *d;
1478
1479         d = g_new(CViewConfirmD, 1);
1480         d->vw = vw;
1481         d->list = list;
1482
1483         menu = popup_menu_short_lived();
1484         g_signal_connect(G_OBJECT(menu), "destroy",
1485                          G_CALLBACK(view_dir_list_destroy), d);
1486
1487         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1488         menu_item_add_divider(menu);
1489         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1490         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1491         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1492         menu_item_add_divider(menu);
1493         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1494
1495         return menu;
1496 }
1497
1498 /*
1499  *-----------------------------------------------------------------------------
1500  * image drag and drop routines
1501  *-----------------------------------------------------------------------------
1502  */
1503
1504 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1505                                      gint x, gint y,
1506                                      GtkSelectionData *selection_data, guint info,
1507                                      guint time, gpointer data)
1508 {
1509         ViewWindow *vw = data;
1510         ImageWindow *imd;
1511
1512         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1513
1514         imd = vw->imd;
1515
1516         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1517                 {
1518                 CollectionData *source;
1519                 GList *list;
1520                 GList *info_list;
1521
1522                 if (info == TARGET_URI_LIST)
1523                         {
1524                         GList *work;
1525
1526                         list = uri_filelist_from_gtk_selection_data(selection_data);
1527
1528                         work = list;
1529                         while (work)
1530                                 {
1531                                 FileData *fd = work->data;
1532                                 if (isdir(fd->path))
1533                                         {
1534                                         GtkWidget *menu;
1535                                         menu = view_confirm_dir_list(vw, list);
1536                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1537                                         return;
1538                                         }
1539                                 work = work->next;
1540                                 }
1541
1542                         list = filelist_filter(list, FALSE);
1543
1544                         source = NULL;
1545                         info_list = NULL;
1546                         }
1547                 else
1548                         {
1549                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1550                         }
1551
1552                 if (list)
1553                         {
1554                         FileData *fd;
1555
1556                         fd = list->data;
1557                         if (isfile(fd->path))
1558                                 {
1559                                 view_slideshow_stop(vw);
1560                                 view_window_set_list(vw, NULL);
1561
1562                                 if (source && info_list)
1563                                         {
1564                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1565                                         }
1566                                 else
1567                                         {
1568                                         if (list->next)
1569                                                 {
1570                                                 vw->list = list;
1571                                                 list = NULL;
1572
1573                                                 vw->list_pointer = vw->list;
1574                                                 }
1575                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1576                                         }
1577                                 }
1578                         }
1579                 filelist_free(list);
1580                 g_list_free(info_list);
1581                 }
1582 }
1583
1584 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1585                                      GtkSelectionData *selection_data, guint info,
1586                                      guint time, gpointer data)
1587 {
1588         ViewWindow *vw = data;
1589         FileData *fd;
1590
1591         fd = image_get_fd(vw->imd);
1592
1593         if (fd)
1594                 {
1595                 GList *list;
1596
1597                 list = g_list_append(NULL, fd);
1598                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1599                 g_list_free(list);
1600                 }
1601         else
1602                 {
1603                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1604                                        8, NULL, 0);
1605                 }
1606 }
1607
1608 static void view_window_dnd_init(ViewWindow *vw)
1609 {
1610         ImageWindow *imd;
1611
1612         imd = vw->imd;
1613
1614         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1615                             dnd_file_drag_types, dnd_file_drag_types_count,
1616                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1617         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1618                          G_CALLBACK(view_window_set_dnd_data), vw);
1619
1620         gtk_drag_dest_set(imd->pr,
1621                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1622                           dnd_file_drop_types, dnd_file_drop_types_count,
1623                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1624         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1625                          G_CALLBACK(view_window_get_dnd_data), vw);
1626 }
1627
1628 /*
1629  *-----------------------------------------------------------------------------
1630  * maintenance (for rename, move, remove)
1631  *-----------------------------------------------------------------------------
1632  */
1633
1634 static void view_real_removed(ViewWindow *vw, FileData *fd)
1635 {
1636         ImageWindow *imd;
1637         FileData *image_fd;
1638
1639         imd = view_window_active_image(vw);
1640         image_fd = image_get_fd(imd);
1641
1642         if (image_fd && image_fd == fd)
1643                 {
1644                 if (vw->list)
1645                         {
1646                         view_list_step(vw, TRUE);
1647                         if (image_get_fd(imd) == image_fd)
1648                                 {
1649                                 view_list_step(vw, FALSE);
1650                                 }
1651                         }
1652                 else if (view_window_contains_collection(vw))
1653                         {
1654                         view_collection_step(vw, TRUE);
1655                         if (image_get_fd(imd) == image_fd)
1656                                 {
1657                                 view_collection_step(vw, FALSE);
1658                                 }
1659                         }
1660                 if (image_get_fd(imd) == image_fd)
1661                         {
1662                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1663                         }
1664                 }
1665
1666         if (vw->list)
1667                 {
1668                 GList *work;
1669                 GList *old;
1670
1671                 old = vw->list_pointer;
1672
1673                 work = vw->list;
1674                 while (work)
1675                         {
1676                         FileData *chk_fd;
1677                         GList *chk_link;
1678
1679                         chk_fd = work->data;
1680                         chk_link = work;
1681                         work = work->next;
1682
1683                         if (chk_fd == fd)
1684                                 {
1685                                 if (vw->list_pointer == chk_link)
1686                                         {
1687                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1688                                         }
1689                                 vw->list = g_list_remove(vw->list, chk_fd);
1690                                 file_data_unref(chk_fd);
1691                                 }
1692                         }
1693
1694                 /* handles stepping correctly when same image is in the list more than once */
1695                 if (old && old != vw->list_pointer)
1696                         {
1697                         FileData *fd;
1698
1699                         if (vw->list_pointer)
1700                                 {
1701                                 fd = vw->list_pointer->data;
1702                                 }
1703                         else
1704                                 {
1705                                 fd = NULL;
1706                                 }
1707
1708                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1709                         }
1710                 }
1711
1712         image_osd_update(imd);
1713 }
1714
1715 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1716 {
1717         ViewWindow *vw = data;
1718
1719         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1720
1721         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1722
1723         switch (fd->change->type)
1724                 {
1725                 case FILEDATA_CHANGE_MOVE:
1726                 case FILEDATA_CHANGE_RENAME:
1727                         break;
1728                 case FILEDATA_CHANGE_COPY:
1729                         break;
1730                 case FILEDATA_CHANGE_DELETE:
1731                         view_real_removed(vw, fd);
1732                         break;
1733                 case FILEDATA_CHANGE_UNSPECIFIED:
1734                 case FILEDATA_CHANGE_WRITE_METADATA:
1735                         break;
1736                 }
1737 }
1738 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */