src/img-view.cc

   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-util.h"
  35 #include "menu.h"
  36 #include "misc.h"
  37 #include "pixbuf-util.h"
  38 #include "print.h"
  39 #include "slideshow.h"
  40 #include "ui-fileops.h"
  41 #include "ui-menu.h"
  42 #include "uri-utils.h"
  43 #include "utilops.h"
  44 #include "window.h"
  45
  46 struct ViewWindow
  47 {
  48         GtkWidget *window;
  49         ImageWindow *imd;
  50         FullScreenData *fs;
  51         SlideShowData *ss;
  52
  53         GList *list;
  54         GList *list_pointer;
  55 };
  56
  57
  58 static GList *view_window_list = nullptr;
  59
  60
  61 static GtkWidget *view_popup_menu(ViewWindow *vw);
  62 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  63 static void view_overlay_toggle(ViewWindow *vw);
  64
  65 static void view_slideshow_next(ViewWindow *vw);
  66 static void view_slideshow_prev(ViewWindow *vw);
  67 static void view_slideshow_start(ViewWindow *vw);
  68 static void view_slideshow_stop(ViewWindow *vw);
  69
  70 static void view_window_close(ViewWindow *vw);
  71
  72 static void view_window_dnd_init(ViewWindow *vw);
  73
  74 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  75
  76
  77 /**
  78  * This array must be kept in sync with the contents of:\n
  79  *  @link view_popup_menu() @endlink \n
  80  *  @link view_window_key_press_cb() @endlink
  81  *
  82  * See also @link hard_coded_window_keys @endlink
  83  **/
  84 hard_coded_window_keys image_window_keys[] = {
  85         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  86         {GDK_CONTROL_MASK, 'M', N_("Move")},
  87         {GDK_CONTROL_MASK, 'R', N_("Rename")},
  88         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
  89         {static_cast<GdkModifierType>(0), GDK_KEY_Delete, N_("Move to Trash")},
  90         {GDK_SHIFT_MASK, GDK_KEY_Delete, N_("Delete")},
  91         {GDK_CONTROL_MASK, 'W', N_("Close window")},
  92         {GDK_SHIFT_MASK, 'R', N_("Rotate 180°")},
  93         {GDK_SHIFT_MASK, 'M', N_("Rotate mirror")},
  94         {GDK_SHIFT_MASK, 'F', N_("Rotate flip")},
  95         {static_cast<GdkModifierType>(0), ']', N_(" Rotate counterclockwise 90°")},
  96         {static_cast<GdkModifierType>(0), '[', N_(" Rotate clockwise 90°")},
  97         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Previous")},
  98         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Up, N_("Previous")},
  99         {static_cast<GdkModifierType>(0), GDK_KEY_BackSpace, N_("Previous")},
 100         {static_cast<GdkModifierType>(0), 'B', N_("Previous")},
 101         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Next")},
 102         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Down, N_("Next")},
 103         {static_cast<GdkModifierType>(0), GDK_KEY_space, N_("Next")},
 104         {static_cast<GdkModifierType>(0), 'N', N_("Next")},
 105         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 106         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 107         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 108         {static_cast<GdkModifierType>(0), 'X', N_("Zoom to fit")},
 109         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Multiply, N_("Zoom to fit")},
 110         {static_cast<GdkModifierType>(0), 'Z', N_("Zoom 1:1")},
 111         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 112         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 113         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 114         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 115         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 116         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 117         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 118         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 119         {static_cast<GdkModifierType>(0), 'W', N_("Zoom fit window width")},
 120         {static_cast<GdkModifierType>(0), 'H', N_("Zoom fit window height")},
 121         {static_cast<GdkModifierType>(0), 'S', N_("Toggle slideshow")},
 122         {static_cast<GdkModifierType>(0), 'P', N_("Pause slideshow")},
 123         {static_cast<GdkModifierType>(0), 'R', N_("Reload image")},
 124         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 125         {static_cast<GdkModifierType>(0), 'V', N_("Fullscreen")},
 126         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Fullscreen")},
 127         {static_cast<GdkModifierType>(0), 'I', N_("Image overlay")},
 128         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 129         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Close window")},
 130         {GDK_SHIFT_MASK, 'G', N_("Desaturate")},
 131         {GDK_SHIFT_MASK, 'P', N_("Print")},
 132         {static_cast<GdkModifierType>(0), 0, nullptr}
 133 };
 134
 135
 136 /*
 137  *-----------------------------------------------------------------------------
 138  * misc
 139  *-----------------------------------------------------------------------------
 140  */
 141
 142 static ImageWindow *view_window_active_image(ViewWindow *vw)
 143 {
 144         if (vw->fs) return vw->fs->imd;
 145
 146         return vw->imd;
 147 }
 148
 149 static void view_window_set_list(ViewWindow *vw, GList *list)
 150 {
 151
 152         filelist_free(vw->list);
 153         vw->list = nullptr;
 154         vw->list_pointer = nullptr;
 155
 156         vw->list = filelist_copy(list);
 157 }
 158
 159 static gboolean view_window_contains_collection(ViewWindow *vw)
 160 {
 161         CollectionData *cd;
 162         CollectInfo *info;
 163
 164         cd = image_get_collection(view_window_active_image(vw), &info);
 165
 166         return (cd && info);
 167 }
 168
 169 static void view_collection_step(ViewWindow *vw, gboolean next)
 170 {
 171         ImageWindow *imd = view_window_active_image(vw);
 172         CollectionData *cd;
 173         CollectInfo *info;
 174         CollectInfo *read_ahead_info = nullptr;
 175
 176         cd = image_get_collection(imd, &info);
 177
 178         if (!cd || !info) return;
 179
 180         if (next)
 181                 {
 182                 info = collection_next_by_info(cd, info);
 183                 if (options->image.enable_read_ahead)
 184                         {
 185                         read_ahead_info = collection_next_by_info(cd, info);
 186                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 187                         }
 188                 }
 189         else
 190                 {
 191                 info = collection_prev_by_info(cd, info);
 192                 if (options->image.enable_read_ahead)
 193                         {
 194                         read_ahead_info = collection_prev_by_info(cd, info);
 195                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 196                         }
 197                 }
 198
 199         if (info)
 200                 {
 201                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 202
 203                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 204                 }
 205
 206 }
 207
 208 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 209 {
 210         ImageWindow *imd = view_window_active_image(vw);
 211         CollectionData *cd;
 212         CollectInfo *info;
 213         CollectInfo *read_ahead_info = nullptr;
 214
 215         cd = image_get_collection(imd, &info);
 216
 217         if (!cd || !info) return;
 218
 219         if (last)
 220                 {
 221                 info = collection_get_last(cd);
 222                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 223                 }
 224         else
 225                 {
 226                 info = collection_get_first(cd);
 227                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 228                 }
 229
 230         if (info)
 231                 {
 232                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 233                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 234                 }
 235 }
 236
 237 static void view_list_step(ViewWindow *vw, gboolean next)
 238 {
 239         ImageWindow *imd = view_window_active_image(vw);
 240         FileData *fd;
 241         GList *work;
 242         GList *work_ahead;
 243
 244         if (!vw->list) return;
 245
 246         fd = image_get_fd(imd);
 247         if (!fd) return;
 248
 249         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 250                 {
 251                 work = vw->list_pointer;
 252                 }
 253         else
 254                 {
 255                 gboolean found = FALSE;
 256
 257                 work = vw->list;
 258                 while (work && !found)
 259                         {
 260                         FileData *temp;
 261
 262                         temp = static_cast<FileData *>(work->data);
 263
 264                         if (fd == temp)
 265                                 {
 266                                 found = TRUE;
 267                                 }
 268                         else
 269                                 {
 270                                 work = work->next;
 271                                 }
 272                         }
 273                 }
 274         if (!work) return;
 275
 276         work_ahead = nullptr;
 277         if (next)
 278                 {
 279                 work = work->next;
 280                 if (work) work_ahead = work->next;
 281                 }
 282         else
 283                 {
 284                 work = work->prev;
 285                 if (work) work_ahead = work->prev;
 286                 }
 287
 288         if (!work) return;
 289
 290         vw->list_pointer = work;
 291         fd = static_cast<FileData *>(work->data);
 292         image_change_fd(imd, fd, image_zoom_get_default(imd));
 293
 294         if (options->image.enable_read_ahead && work_ahead)
 295                 {
 296                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 297                 image_prebuffer_set(imd, next_fd);
 298                 }
 299 }
 300
 301 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 302 {
 303         ImageWindow *imd = view_window_active_image(vw);
 304         FileData *fd;
 305         GList *work;
 306         GList *work_ahead;
 307
 308         if (!vw->list) return;
 309
 310         if (last)
 311                 {
 312                 work = g_list_last(vw->list);
 313                 work_ahead = work->prev;
 314                 }
 315         else
 316                 {
 317                 work = vw->list;
 318                 work_ahead = work->next;
 319                 }
 320
 321         vw->list_pointer = work;
 322         fd = static_cast<FileData *>(work->data);
 323         image_change_fd(imd, fd, image_zoom_get_default(imd));
 324
 325         if (options->image.enable_read_ahead && work_ahead)
 326                 {
 327                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 328                 image_prebuffer_set(imd, next_fd);
 329                 }
 330 }
 331
 332 static void view_step_next(ViewWindow *vw)
 333 {
 334         if (vw->ss)
 335                 {
 336                 view_slideshow_next(vw);
 337                 }
 338         else if (vw->list)
 339                 {
 340                 view_list_step(vw, TRUE);
 341                 }
 342         else
 343                 {
 344                 view_collection_step(vw, TRUE);
 345                 }
 346 }
 347
 348 static void view_step_prev(ViewWindow *vw)
 349 {
 350         if (vw->ss)
 351                 {
 352                 view_slideshow_prev(vw);
 353                 }
 354         else if (vw->list)
 355                 {
 356                 view_list_step(vw, FALSE);
 357                 }
 358         else
 359                 {
 360                 view_collection_step(vw, FALSE);
 361                 }
 362 }
 363
 364 static void view_step_to_end(ViewWindow *vw, gboolean last)
 365 {
 366         if (vw->list)
 367                 {
 368                 view_list_step_to_end(vw, last);
 369                 }
 370         else
 371                 {
 372                 view_collection_step_to_end(vw, last);
 373                 }
 374 }
 375
 376 /*
 377  *-----------------------------------------------------------------------------
 378  * view window keyboard
 379  *-----------------------------------------------------------------------------
 380  */
 381
 382 static void view_window_press_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 383 {
 384         auto vw = static_cast<ViewWindow *>(data);
 385
 386         switch (bevent->button)
 387                 {
 388                 case MOUSE_BUTTON_LEFT:
 389                         if (bevent->type == GDK_2BUTTON_PRESS)
 390                                 {
 391                                 view_fullscreen_toggle(vw, TRUE);
 392                                 }
 393                         break;
 394                 default:
 395                         break;
 396                 }
 397 }
 398
 399 static gboolean view_window_key_press_cb(GtkWidget * (widget), GdkEventKey *event, gpointer data)
 400 {
 401         auto vw = static_cast<ViewWindow *>(data);
 402         ImageWindow *imd;
 403         gint stop_signal;
 404         GtkWidget *menu;
 405         gint x = 0;
 406         gint y = 0;
 407
 408         imd = view_window_active_image(vw);
 409
 410         stop_signal = TRUE;
 411         switch (event->keyval)
 412                 {
 413                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 414                         x -= 1;
 415                         break;
 416                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 417                         x += 1;
 418                         break;
 419                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 420                         y -= 1;
 421                         break;
 422                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 423                         y += 1;
 424                         break;
 425                 default:
 426                         stop_signal = FALSE;
 427                         break;
 428                 }
 429
 430         if (x != 0 || y!= 0)
 431                 {
 432                 if (event->state & GDK_SHIFT_MASK)
 433                         {
 434                         x *= 3;
 435                         y *= 3;
 436                         }
 437
 438                 keyboard_scroll_calc(&x, &y, event);
 439                 image_scroll(imd, x, y);
 440                 }
 441
 442         if (stop_signal) return stop_signal;
 443
 444         if (event->state & GDK_CONTROL_MASK)
 445                 {
 446                 stop_signal = TRUE;
 447                 switch (event->keyval)
 448                         {
 449                         case '1':
 450                         case '2':
 451                         case '3':
 452                         case '4':
 453                         case '5':
 454                         case '6':
 455                         case '7':
 456                         case '8':
 457                         case '9':
 458                         case '0':
 459                                 break;
 460                         case 'C': case 'c':
 461                                 file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
 462                                 break;
 463                         case 'M': case 'm':
 464                                 file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
 465                                 break;
 466                         case 'R': case 'r':
 467                                 file_util_rename(image_get_fd(imd), nullptr, imd->widget);
 468                                 break;
 469                         case 'D': case 'd':
 470                                 options->file_ops.safe_delete_enable = TRUE;
 471                                 file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 472                                 break;
 473                         case 'W': case 'w':
 474                                 view_window_close(vw);
 475                                 break;
 476                         default:
 477                                 stop_signal = FALSE;
 478                                 break;
 479                         }
 480                 }
 481         else if (event->state & GDK_SHIFT_MASK)
 482                 {
 483                 stop_signal = TRUE;
 484                 switch (event->keyval)
 485                         {
 486                         case 'R': case 'r':
 487                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 488                                 break;
 489                         case 'M': case 'm':
 490                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 491                                 break;
 492                         case 'F': case 'f':
 493                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 494                                 break;
 495                         case 'G': case 'g':
 496                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 497                                 break;
 498                         case 'P': case 'p':
 499                                 {
 500                                 FileData *fd;
 501
 502                                 view_fullscreen_toggle(vw, TRUE);
 503                                 imd = view_window_active_image(vw);
 504                                 fd = image_get_fd(imd);
 505                                 print_window_new(fd,
 506                                                  fd ? g_list_append(nullptr, file_data_ref(fd)) : nullptr,
 507                                                  filelist_copy(vw->list), vw->window);
 508                                 }
 509                                 break;
 510                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 511                                 if (options->file_ops.enable_delete_key)
 512                                         {
 513                                         options->file_ops.safe_delete_enable = FALSE;
 514                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 515                                         }
 516                                 break;
 517                         default:
 518                                 stop_signal = FALSE;
 519                                 break;
 520                         }
 521                 }
 522         else
 523                 {
 524                 stop_signal = TRUE;
 525                 switch (event->keyval)
 526                         {
 527                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 528                         case GDK_KEY_BackSpace:
 529                         case 'B': case 'b':
 530                                 view_step_prev(vw);
 531                                 break;
 532                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 533                         case GDK_KEY_space:
 534                         case 'N': case 'n':
 535                                 view_step_next(vw);
 536                                 break;
 537                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 538                                 view_step_to_end(vw, FALSE);
 539                                 break;
 540                         case GDK_KEY_End: case GDK_KEY_KP_End:
 541                                 view_step_to_end(vw, TRUE);
 542                                 break;
 543                         case '+': case '=': case GDK_KEY_KP_Add:
 544                                 image_zoom_adjust(imd, get_zoom_increment());
 545                                 break;
 546                         case '-': case GDK_KEY_KP_Subtract:
 547                                 image_zoom_adjust(imd, -get_zoom_increment());
 548                                 break;
 549                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 550                                 image_zoom_set(imd, 0.0);
 551                                 break;
 552                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 553                                 image_zoom_set(imd, 1.0);
 554                                 break;
 555                         case '2':
 556                                 image_zoom_set(imd, 2.0);
 557                                 break;
 558                         case '3':
 559                                 image_zoom_set(imd, 3.0);
 560                                 break;
 561                         case '4':
 562                                 image_zoom_set(imd, 4.0);
 563                                 break;
 564                         case '7':
 565                                 image_zoom_set(imd, -4.0);
 566                                 break;
 567                         case '8':
 568                                 image_zoom_set(imd, -3.0);
 569                                 break;
 570                         case '9':
 571                                 image_zoom_set(imd, -2.0);
 572                                 break;
 573                         case 'W': case 'w':
 574                                 image_zoom_set_fill_geometry(imd, FALSE);
 575                                 break;
 576                         case 'H': case 'h':
 577                                 image_zoom_set_fill_geometry(imd, TRUE);
 578                                 break;
 579                         case 'R': case 'r':
 580                                 image_reload(imd);
 581                                 break;
 582                         case 'S': case 's':
 583                                 if (vw->ss)
 584                                         {
 585                                         view_slideshow_stop(vw);
 586                                         }
 587                                 else
 588                                         {
 589                                         view_slideshow_start(vw);
 590                                         }
 591                                 break;
 592                         case 'P': case 'p':
 593                                 slideshow_pause_toggle(vw->ss);
 594                                 break;
 595                         case 'F': case 'f':
 596                         case 'V': case 'v':
 597                         case GDK_KEY_F11:
 598                                 view_fullscreen_toggle(vw, FALSE);
 599                                 break;
 600                         case 'I': case 'i':
 601                                 view_overlay_toggle(vw);
 602                                 break;
 603                         case ']':
 604                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 605                                 break;
 606                         case '[':
 607                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 608                                 break;
 609                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 610                                 if (options->file_ops.enable_delete_key)
 611                                         {
 612                                         options->file_ops.safe_delete_enable = TRUE;
 613                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 614                                         }
 615                                 break;
 616                         case GDK_KEY_Escape:
 617                                 if (vw->fs)
 618                                         {
 619                                         view_fullscreen_toggle(vw, TRUE);
 620                                         }
 621                                 else
 622                                         {
 623                                         view_window_close(vw);
 624                                         }
 625                                 break;
 626                         case GDK_KEY_Menu:
 627                         case GDK_KEY_F10:
 628                                 menu = view_popup_menu(vw);
 629                                 gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER, nullptr);
 630                                 break;
 631                         default:
 632                                 stop_signal = FALSE;
 633                                 break;
 634                         }
 635                 }
 636         if (!stop_signal && is_help_key(event))
 637                 {
 638                 help_window_show("GuideOtherWindowsImageWindow.html");
 639                 stop_signal = TRUE;
 640                 }
 641
 642         return stop_signal;
 643 }
 644
 645 /*
 646  *-----------------------------------------------------------------------------
 647  * view window main routines
 648  *-----------------------------------------------------------------------------
 649  */
 650 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 651 {
 652         auto vw = static_cast<ViewWindow *>(data);
 653         GtkWidget *menu;
 654         gchar *dest_dir;
 655         LayoutWindow *lw_new;
 656
 657         switch (event->button)
 658                 {
 659                 case MOUSE_BUTTON_LEFT:
 660                         if (options->image_l_click_archive && imd->image_fd->format_class == FORMAT_CLASS_ARCHIVE)
 661                                 {
 662                                 dest_dir = open_archive(imd->image_fd);
 663                                 if (dest_dir)
 664                                         {
 665                                         lw_new = layout_new_from_default();
 666                                         layout_set_path(lw_new, dest_dir);
 667                                         g_free(dest_dir);
 668                                         }
 669                                 else
 670                                         {
 671                                         warning_dialog(_("Cannot open archive file"), _("See the Log Window"), GQ_ICON_DIALOG_WARNING, nullptr);
 672                                         }
 673                                 }
 674                         else if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 675                                 {
 676                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 677                                 }
 678                         else if (options->image_lm_click_nav)
 679                                 view_step_next(vw);
 680                         break;
 681                 case MOUSE_BUTTON_MIDDLE:
 682                         if (options->image_lm_click_nav)
 683                                 view_step_prev(vw);
 684                         break;
 685                 case MOUSE_BUTTON_RIGHT:
 686                         menu = view_popup_menu(vw);
 687                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 688                         break;
 689                 default:
 690                         break;
 691                 }
 692 }
 693
 694 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 695 {
 696         auto vw = static_cast<ViewWindow *>(data);
 697
 698         if ((event->state & GDK_CONTROL_MASK) ||
 699                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 700                 {
 701                 switch (event->direction)
 702                         {
 703                         case GDK_SCROLL_UP:
 704                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 705                                 break;
 706                         case GDK_SCROLL_DOWN:
 707                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 708                                 break;
 709                         default:
 710                                 break;
 711                         }
 712                 }
 713         else if ( (event->state & GDK_SHIFT_MASK) != static_cast<guint>(options->mousewheel_scrolls))
 714                 {
 715                 switch (event->direction)
 716                         {
 717                         case GDK_SCROLL_UP:
 718                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 719                                 break;
 720                         case GDK_SCROLL_DOWN:
 721                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 722                                 break;
 723                         case GDK_SCROLL_LEFT:
 724                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 725                                 break;
 726                         case GDK_SCROLL_RIGHT:
 727                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 728                                 break;
 729                         default:
 730                                 break;
 731                         }
 732                 }
 733         else
 734                 {
 735                 switch (event->direction)
 736                         {
 737                         case GDK_SCROLL_UP:
 738                                 view_step_prev(vw);
 739                                 break;
 740                         case GDK_SCROLL_DOWN:
 741                                 view_step_next(vw);
 742                                 break;
 743                         default:
 744                                 break;
 745                         }
 746                 }
 747 }
 748
 749 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 750 {
 751         image_set_button_func(imd, button_cb, vw);
 752         image_set_scroll_func(imd, scroll_cb, vw);
 753 }
 754
 755 static void view_fullscreen_stop_func(FullScreenData *, gpointer data)
 756 {
 757         auto vw = static_cast<ViewWindow *>(data);
 758
 759         vw->fs = nullptr;
 760
 761         if (vw->ss) vw->ss->imd = vw->imd;
 762 }
 763
 764 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 765 {
 766         if (force_off && !vw->fs) return;
 767
 768         if (vw->fs)
 769                 {
 770                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 771                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 772
 773                 fullscreen_stop(vw->fs);
 774                 }
 775         else
 776                 {
 777                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 778
 779                 view_image_set_buttons(vw, vw->fs->imd);
 780                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 781                                  G_CALLBACK(view_window_key_press_cb), vw);
 782
 783                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 784
 785                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 786                         {
 787                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 788                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 789                         }
 790                 }
 791 }
 792
 793 static void view_overlay_toggle(ViewWindow *vw)
 794 {
 795         ImageWindow *imd;
 796
 797         imd = view_window_active_image(vw);
 798
 799         image_osd_toggle(imd);
 800 }
 801
 802 static void view_slideshow_next(ViewWindow *vw)
 803 {
 804         if (vw->ss) slideshow_next(vw->ss);
 805 }
 806
 807 static void view_slideshow_prev(ViewWindow *vw)
 808 {
 809         if (vw->ss) slideshow_prev(vw->ss);
 810 }
 811
 812 static void view_slideshow_stop_func(SlideShowData *, gpointer data)
 813 {
 814         auto vw = static_cast<ViewWindow *>(data);
 815         GList *work;
 816         FileData *fd;
 817
 818         vw->ss = nullptr;
 819
 820         work = vw->list;
 821         fd = image_get_fd(view_window_active_image(vw));
 822         while (work)
 823                 {
 824                 FileData *temp;
 825
 826                 temp = static_cast<FileData *>(work->data);
 827                 if (fd == temp)
 828                         {
 829                         vw->list_pointer = work;
 830                         work = nullptr;
 831                         }
 832                 else
 833                         {
 834                         work = work->next;
 835                         }
 836                 }
 837 }
 838
 839 static void view_slideshow_start(ViewWindow *vw)
 840 {
 841         if (!vw->ss)
 842                 {
 843                 CollectionData *cd;
 844                 CollectInfo *info;
 845
 846                 if (vw->list)
 847                         {
 848                         vw->ss = slideshow_start_from_filelist(nullptr, view_window_active_image(vw),
 849                                                                 filelist_copy(vw->list),
 850                                                                 view_slideshow_stop_func, vw);
 851                         vw->list_pointer = nullptr;
 852                         return;
 853                         }
 854
 855                 cd = image_get_collection(view_window_active_image(vw), &info);
 856                 if (cd && info)
 857                         {
 858                         vw->ss = slideshow_start_from_collection(nullptr, view_window_active_image(vw), cd,
 859                                                                  view_slideshow_stop_func, vw, info);
 860                         }
 861                 }
 862 }
 863
 864 static void view_slideshow_stop(ViewWindow *vw)
 865 {
 866         if (vw->ss) slideshow_free(vw->ss);
 867 }
 868
 869 static void view_window_destroy_cb(GtkWidget *, gpointer data)
 870 {
 871         auto vw = static_cast<ViewWindow *>(data);
 872
 873         view_window_list = g_list_remove(view_window_list, vw);
 874
 875         view_slideshow_stop(vw);
 876         fullscreen_stop(vw->fs);
 877
 878         filelist_free(vw->list);
 879
 880         file_data_unregister_notify_func(view_window_notify_cb, vw);
 881
 882         g_free(vw);
 883 }
 884
 885 static void view_window_close(ViewWindow *vw)
 886 {
 887         view_slideshow_stop(vw);
 888         view_fullscreen_toggle(vw, TRUE);
 889         gq_gtk_widget_destroy(vw->window);
 890 }
 891
 892 static gboolean view_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
 893 {
 894         auto vw = static_cast<ViewWindow *>(data);
 895
 896         view_window_close(vw);
 897         return TRUE;
 898 }
 899
 900 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 901 {
 902         ViewWindow *vw;
 903         GtkAllocation req_size;
 904         GdkGeometry geometry;
 905         gint w;
 906         gint h;
 907
 908         if (!fd && !list && (!cd || !info)) return nullptr;
 909
 910         vw = g_new0(ViewWindow, 1);
 911
 912         vw->window = window_new("view", PIXBUF_INLINE_ICON_VIEW, nullptr, nullptr);
 913         DEBUG_NAME(vw->window);
 914
 915         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 916         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 917         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
 918
 919         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 920         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 921
 922         vw->imd = image_new(FALSE);
 923         image_color_profile_set(vw->imd,
 924                                 options->color_profile.input_type,
 925                                 options->color_profile.use_image);
 926         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 927
 928         image_background_set_color_from_options(vw->imd, FALSE);
 929
 930         image_attach_window(vw->imd, vw->window, nullptr, GQ_APPNAME, TRUE);
 931
 932         image_auto_refresh_enable(vw->imd, TRUE);
 933         image_top_window_set_sync(vw->imd, TRUE);
 934
 935         gq_gtk_container_add(GTK_WIDGET(vw->window), vw->imd->widget);
 936         gtk_widget_show(vw->imd->widget);
 937
 938         view_window_dnd_init(vw);
 939
 940         view_image_set_buttons(vw, vw->imd);
 941
 942         g_signal_connect(G_OBJECT(vw->window), "destroy",
 943                          G_CALLBACK(view_window_destroy_cb), vw);
 944         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 945                          G_CALLBACK(view_window_delete_cb), vw);
 946         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 947                          G_CALLBACK(view_window_key_press_cb), vw);
 948         g_signal_connect(G_OBJECT(vw->window), "button_press_event",
 949                          G_CALLBACK(view_window_press_cb), vw);
 950
 951         if (cd && info)
 952                 {
 953                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(nullptr));
 954                 /* Grab the fd so we can correctly size the window in
 955                    the call to image_load_dimensions() below. */
 956                 fd = info->fd;
 957                 if (options->image.enable_read_ahead)
 958                         {
 959                         CollectInfo * r_info = collection_next_by_info(cd, info);
 960                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 961                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 962                         }
 963                 }
 964         else if (list)
 965                 {
 966                 view_window_set_list(vw, list);
 967                 vw->list_pointer = vw->list;
 968                 image_change_fd(vw->imd, static_cast<FileData *>(vw->list->data), image_zoom_get_default(nullptr));
 969                 /* Set fd to first in list */
 970                 fd = static_cast<FileData *>(vw->list->data);
 971
 972                 if (options->image.enable_read_ahead)
 973                         {
 974                         GList *work = vw->list->next;
 975                         if (work) image_prebuffer_set(vw->imd, static_cast<FileData *>(work->data));
 976                         }
 977                 }
 978         else
 979                 {
 980                 image_change_fd(vw->imd, fd, image_zoom_get_default(nullptr));
 981                 }
 982
 983         /* Wait until image is loaded otherwise size is not defined */
 984         image_load_dimensions(fd, &w, &h);
 985
 986         if (options->image.limit_window_size)
 987                 {
 988                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 989                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 990
 991                 if (w > mw) w = mw;
 992                 if (h > mh) h = mh;
 993                 }
 994
 995         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 996         req_size.x = req_size.y = 0;
 997         req_size.width = w;
 998         req_size.height = h;
 999         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
1000
1001         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
1002         gtk_widget_show(vw->window);
1003
1004         view_window_list = g_list_append(view_window_list, vw);
1005
1006         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
1007
1008         /** @FIXME This is a hack to fix #965 View in new window - blank image
1009          * The problem occurs when zoom is set to Original Size and Preload
1010          * Next Image is set.
1011          * An extra reload is required to force the image to be displayed.
1012          * See also layout-image.cc layout_image_full_screen_start()
1013          * This is probably not the correct solution.
1014          **/
1015         image_reload(vw->imd);
1016
1017         return vw;
1018 }
1019
1020 static void view_window_collection_unref_cb(GtkWidget *, gpointer data)
1021 {
1022         auto cd = static_cast<CollectionData *>(data);
1023
1024         collection_unref(cd);
1025 }
1026
1027 void view_window_new(FileData *fd)
1028 {
1029         GList *list;
1030
1031         if (fd)
1032                 {
1033                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
1034                         {
1035                         ViewWindow *vw;
1036                         CollectionData *cd;
1037                         CollectInfo *info;
1038
1039                         cd = collection_new(fd->path);
1040                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
1041                                 {
1042                                 info = collection_get_first(cd);
1043                                 }
1044                         else
1045                                 {
1046                                 collection_unref(cd);
1047                                 cd = nullptr;
1048                                 info = nullptr;
1049                                 }
1050                         vw = real_view_window_new(nullptr, nullptr, cd, info);
1051                         if (vw && cd)
1052                                 {
1053                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
1054                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
1055                                 }
1056                         }
1057                 else if (isdir(fd->path) && filelist_read(fd, &list, nullptr))
1058                         {
1059                         list = filelist_sort_path(list);
1060                         list = filelist_filter(list, FALSE);
1061                         real_view_window_new(nullptr, list, nullptr, nullptr);
1062                         filelist_free(list);
1063                         }
1064                 else
1065                         {
1066                         real_view_window_new(fd, nullptr, nullptr, nullptr);
1067                         }
1068                 }
1069 }
1070
1071 void view_window_new_from_list(GList *list)
1072 {
1073         real_view_window_new(nullptr, list, nullptr, nullptr);
1074 }
1075
1076 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
1077 {
1078         real_view_window_new(nullptr, nullptr, cd, info);
1079 }
1080
1081 /*
1082  *-----------------------------------------------------------------------------
1083  * public
1084  *-----------------------------------------------------------------------------
1085  */
1086
1087 void view_window_colors_update()
1088 {
1089         GList *work;
1090
1091         work = view_window_list;
1092         while (work)
1093                 {
1094                 auto vw = static_cast<ViewWindow *>(work->data);
1095                 work = work->next;
1096
1097                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1098                 }
1099 }
1100
1101 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1102 {
1103         GList *work;
1104
1105         work = view_window_list;
1106         while (work)
1107                 {
1108                 auto vw = static_cast<ViewWindow *>(work->data);
1109                 work = work->next;
1110
1111                 if (vw->imd == imd ||
1112                     (vw->fs && vw->fs->imd == imd))
1113                         {
1114                         if (vw->ss)
1115                                 {
1116                                 gint n;
1117                                 gint t;
1118
1119                                 n = g_list_length(vw->ss->list_done);
1120                                 t = n + g_list_length(vw->ss->list);
1121                                 if (n == 0) n = t;
1122                                 if (index) *index = n - 1;
1123                                 if (total) *total = t;
1124                                 }
1125                         else
1126                                 {
1127                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1128                                 if (total) *total = g_list_length(vw->list);
1129                                 }
1130                         return TRUE;
1131                         }
1132                 }
1133
1134         return FALSE;
1135 }
1136
1137 /*
1138  *-----------------------------------------------------------------------------
1139  * view window menu routines and callbacks
1140  *-----------------------------------------------------------------------------
1141  */
1142
1143 static void view_new_window_cb(GtkWidget *, gpointer data)
1144 {
1145         auto vw = static_cast<ViewWindow *>(data);
1146         CollectionData *cd;
1147         CollectInfo *info;
1148
1149         cd = image_get_collection(vw->imd, &info);
1150
1151         if (cd && info)
1152                 {
1153                 view_window_new_from_collection(cd, info);
1154                 }
1155         else
1156                 {
1157                 view_window_new(image_get_fd(vw->imd));
1158                 }
1159 }
1160
1161 static void view_edit_cb(GtkWidget *widget, gpointer data)
1162 {
1163         ViewWindow *vw;
1164         ImageWindow *imd;
1165         auto key = static_cast<const gchar *>(data);
1166
1167         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1168         if (!vw) return;
1169
1170         if (!editor_window_flag_set(key))
1171                 {
1172                 view_fullscreen_toggle(vw, TRUE);
1173                 }
1174
1175         imd = view_window_active_image(vw);
1176         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1177 }
1178
1179 static void view_alter_cb(GtkWidget *widget, gpointer data)
1180 {
1181         ViewWindow *vw;
1182         AlterType type;
1183
1184         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1185         type = static_cast<AlterType>(GPOINTER_TO_INT(data));
1186
1187         if (!vw) return;
1188         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1189 }
1190
1191 static void view_zoom_in_cb(GtkWidget *, gpointer data)
1192 {
1193         auto vw = static_cast<ViewWindow *>(data);
1194
1195         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1196 }
1197
1198 static void view_zoom_out_cb(GtkWidget *, gpointer data)
1199 {
1200         auto vw = static_cast<ViewWindow *>(data);
1201
1202         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1203 }
1204
1205 static void view_zoom_1_1_cb(GtkWidget *, gpointer data)
1206 {
1207         auto vw = static_cast<ViewWindow *>(data);
1208
1209         image_zoom_set(view_window_active_image(vw), 1.0);
1210 }
1211
1212 static void view_zoom_fit_cb(GtkWidget *, gpointer data)
1213 {
1214         auto vw = static_cast<ViewWindow *>(data);
1215
1216         image_zoom_set(view_window_active_image(vw), 0.0);
1217 }
1218
1219 static void view_copy_cb(GtkWidget *, gpointer data)
1220 {
1221         auto vw = static_cast<ViewWindow *>(data);
1222         ImageWindow *imd;
1223
1224         imd = view_window_active_image(vw);
1225         file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
1226 }
1227
1228 static void view_move_cb(GtkWidget *, gpointer data)
1229 {
1230         auto vw = static_cast<ViewWindow *>(data);
1231         ImageWindow *imd;
1232
1233         imd = view_window_active_image(vw);
1234         file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
1235 }
1236
1237 static void view_rename_cb(GtkWidget *, gpointer data)
1238 {
1239         auto vw = static_cast<ViewWindow *>(data);
1240         ImageWindow *imd;
1241
1242         imd = view_window_active_image(vw);
1243         file_util_rename(image_get_fd(imd), nullptr, imd->widget);
1244 }
1245
1246 static void view_delete_cb(GtkWidget *, gpointer data)
1247 {
1248         auto vw = static_cast<ViewWindow *>(data);
1249         ImageWindow *imd;
1250
1251         imd = view_window_active_image(vw);
1252         options->file_ops.safe_delete_enable = FALSE;
1253         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1254 }
1255
1256 static void view_move_to_trash_cb(GtkWidget *, gpointer data)
1257 {
1258         auto vw = static_cast<ViewWindow *>(data);
1259         ImageWindow *imd;
1260
1261         imd = view_window_active_image(vw);
1262         options->file_ops.safe_delete_enable = TRUE;
1263         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1264 }
1265
1266 static void view_copy_path_cb(GtkWidget *, gpointer data)
1267 {
1268         auto vw = static_cast<ViewWindow *>(data);
1269         ImageWindow *imd;
1270
1271         imd = view_window_active_image(vw);
1272         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1273 }
1274
1275 static void view_copy_path_unquoted_cb(GtkWidget *, gpointer data)
1276 {
1277         auto vw = static_cast<ViewWindow *>(data);
1278         ImageWindow *imd;
1279
1280         imd = view_window_active_image(vw);
1281         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1282 }
1283
1284 static void view_fullscreen_cb(GtkWidget *, gpointer data)
1285 {
1286         auto vw = static_cast<ViewWindow *>(data);
1287
1288         view_fullscreen_toggle(vw, FALSE);
1289 }
1290
1291 static void view_slideshow_start_cb(GtkWidget *, gpointer data)
1292 {
1293         auto vw = static_cast<ViewWindow *>(data);
1294
1295         view_slideshow_start(vw);
1296 }
1297
1298 static void view_slideshow_stop_cb(GtkWidget *, gpointer data)
1299 {
1300         auto vw = static_cast<ViewWindow *>(data);
1301
1302         view_slideshow_stop(vw);
1303 }
1304
1305 static void view_slideshow_pause_cb(GtkWidget *, gpointer data)
1306 {
1307         auto vw = static_cast<ViewWindow *>(data);
1308
1309         slideshow_pause_toggle(vw->ss);
1310 }
1311
1312 static void view_close_cb(GtkWidget *, gpointer data)
1313 {
1314         auto vw = static_cast<ViewWindow *>(data);
1315
1316         view_window_close(vw);
1317 }
1318
1319 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1320 {
1321         LayoutWindow *nw;
1322
1323         nw = layout_new(nullptr, nullptr);
1324         layout_sort_set_files(nw, nw->options.file_view_list_sort.method, nw->options.file_view_list_sort.ascend, nw->options.file_view_list_sort.case_sensitive);
1325         layout_set_fd(nw, fd);
1326         return nw;
1327 }
1328
1329
1330 static void view_set_layout_path_cb(GtkWidget *, gpointer data)
1331 {
1332         auto vw = static_cast<ViewWindow *>(data);
1333         LayoutWindow *lw;
1334         ImageWindow *imd;
1335
1336         imd = view_window_active_image(vw);
1337
1338         if (!imd || !imd->image_fd) return;
1339
1340         lw = layout_find_by_image_fd(imd);
1341         if (lw)
1342                 layout_set_fd(lw, imd->image_fd);
1343         else
1344                 view_new_layout_with_fd(imd->image_fd);
1345         view_window_close(vw);
1346 }
1347
1348 static void view_popup_menu_destroy_cb(GtkWidget *, gpointer data)
1349 {
1350         auto editmenu_fd_list = static_cast<GList *>(data);
1351
1352         filelist_free(editmenu_fd_list);
1353 }
1354
1355 static GList *view_window_get_fd_list(ViewWindow *vw)
1356 {
1357         GList *list = nullptr;
1358         ImageWindow *imd = view_window_active_image(vw);
1359
1360         if (imd)
1361                 {
1362                 FileData *fd = image_get_fd(imd);
1363                 if (fd) list = g_list_append(nullptr, file_data_ref(fd));
1364                 }
1365
1366         return list;
1367 }
1368
1369 /**
1370  * @brief Add file selection list to a collection
1371  * @param[in] widget
1372  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1373  *
1374  *
1375  */
1376 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1377 {
1378         ViewWindow *vw;
1379         ImageWindow *imd;
1380         FileData *fd;
1381         GList *selection_list = nullptr;
1382
1383         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1384         imd = view_window_active_image(vw);
1385         fd = image_get_fd(imd);
1386         selection_list = g_list_append(selection_list, fd);
1387         pop_menu_collections(selection_list, data);
1388
1389         filelist_free(selection_list);
1390 }
1391
1392 static GtkWidget *view_popup_menu(ViewWindow *vw)
1393 {
1394         GtkWidget *menu;
1395         GtkWidget *item;
1396         GList *editmenu_fd_list;
1397         GtkAccelGroup *accel_group;
1398
1399         menu = popup_menu_short_lived();
1400
1401         accel_group = gtk_accel_group_new();
1402         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
1403
1404         g_object_set_data(G_OBJECT(menu), "window_keys", image_window_keys);
1405         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
1406
1407         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1408         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1409         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1410         menu_item_add_icon(menu, _("Zoom to fit"), GQ_ICON_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1411         menu_item_add_divider(menu);
1412
1413         editmenu_fd_list = view_window_get_fd_list(vw);
1414         g_signal_connect(G_OBJECT(menu), "destroy",
1415                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1416         item = submenu_add_edit(menu, nullptr, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1417         menu_item_add_divider(item);
1418
1419         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1420
1421         menu_item_add_icon(menu, _("View in _new window"), GQ_ICON_NEW, G_CALLBACK(view_new_window_cb), vw);
1422         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1423
1424         menu_item_add_divider(menu);
1425         menu_item_add_icon(menu, _("_Copy..."), GQ_ICON_COPY, G_CALLBACK(view_copy_cb), vw);
1426         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1427         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1428         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1429         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1430
1431         menu_item_add_divider(menu);
1432         menu_item_add_icon(menu,
1433                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1434                                         _("Move to Trash"), GQ_ICON_DELETE,
1435                                 G_CALLBACK(view_move_to_trash_cb), vw);
1436         menu_item_add_icon(menu,
1437                                 options->file_ops.confirm_delete ? _("_Delete...") :
1438                                         _("_Delete"), GQ_ICON_DELETE_SHRED,
1439                                 G_CALLBACK(view_delete_cb), vw);
1440
1441         menu_item_add_divider(menu);
1442
1443         submenu_add_collections(menu, &item,
1444                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1445         gtk_widget_set_sensitive(item, TRUE);
1446         menu_item_add_divider(menu);
1447
1448         if (vw->ss)
1449                 {
1450                 menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1451                 if (slideshow_paused(vw->ss))
1452                         {
1453                         item = menu_item_add(menu, _("Continue slides_how"),
1454                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1455                         }
1456                 else
1457                         {
1458                         item = menu_item_add(menu, _("Pause slides_how"),
1459                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1460                         }
1461                 }
1462         else
1463                 {
1464                 item = menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1465                 gtk_widget_set_sensitive(item, (vw->list != nullptr) || view_window_contains_collection(vw));
1466                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1467                 gtk_widget_set_sensitive(item, FALSE);
1468                 }
1469
1470         if (vw->fs)
1471                 {
1472                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1473                 }
1474         else
1475                 {
1476                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1477                 }
1478
1479         menu_item_add_divider(menu);
1480         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(view_close_cb), vw);
1481
1482         return menu;
1483 }
1484
1485 /*
1486  *-------------------------------------------------------------------
1487  * dnd confirm dir
1488  *-------------------------------------------------------------------
1489  */
1490
1491 struct CViewConfirmD {
1492         ViewWindow *vw;
1493         GList *list;
1494 };
1495
1496 static void view_dir_list_cancel(GtkWidget *, gpointer)
1497 {
1498         /* do nothing */
1499 }
1500
1501 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1502 {
1503         GList *work;
1504
1505         view_window_set_list(vw, nullptr);
1506
1507         work = list;
1508         while (work)
1509                 {
1510                 auto fd = static_cast<FileData *>(work->data);
1511                 work = work->next;
1512
1513                 if (isdir(fd->path))
1514                         {
1515                         if (!skip)
1516                                 {
1517                                 GList *list = nullptr;
1518
1519                                 if (recurse)
1520                                         {
1521                                         list = filelist_recursive(fd);
1522                                         }
1523                                 else
1524                                         { /** @FIXME ?? */
1525                                         filelist_read(fd, &list, nullptr);
1526                                         list = filelist_sort_path(list);
1527                                         list = filelist_filter(list, FALSE);
1528                                         }
1529                                 if (list) vw->list = g_list_concat(vw->list, list);
1530                                 }
1531                         }
1532                 else
1533                         {
1534                         /** @FIXME no filtering here */
1535                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1536                         }
1537                 }
1538
1539         if (vw->list)
1540                 {
1541                 FileData *fd;
1542
1543                 vw->list_pointer = vw->list;
1544                 fd = static_cast<FileData *>(vw->list->data);
1545                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1546
1547                 work = vw->list->next;
1548                 if (options->image.enable_read_ahead && work)
1549                         {
1550                         fd = static_cast<FileData *>(work->data);
1551                         image_prebuffer_set(vw->imd, fd);
1552                         }
1553                 }
1554         else
1555                 {
1556                 image_change_fd(vw->imd, nullptr, image_zoom_get_default(vw->imd));
1557                 }
1558 }
1559
1560 static void view_dir_list_add(GtkWidget *, gpointer data)
1561 {
1562         auto d = static_cast<CViewConfirmD *>(data);
1563         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1564 }
1565
1566 static void view_dir_list_recurse(GtkWidget *, gpointer data)
1567 {
1568         auto d = static_cast<CViewConfirmD *>(data);
1569         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1570 }
1571
1572 static void view_dir_list_skip(GtkWidget *, gpointer data)
1573 {
1574         auto d = static_cast<CViewConfirmD *>(data);
1575         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1576 }
1577
1578 static void view_dir_list_destroy(GtkWidget *, gpointer data)
1579 {
1580         auto d = static_cast<CViewConfirmD *>(data);
1581         filelist_free(d->list);
1582         g_free(d);
1583 }
1584
1585 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1586 {
1587         GtkWidget *menu;
1588         CViewConfirmD *d;
1589
1590         d = g_new(CViewConfirmD, 1);
1591         d->vw = vw;
1592         d->list = list;
1593
1594         menu = popup_menu_short_lived();
1595         g_signal_connect(G_OBJECT(menu), "destroy",
1596                          G_CALLBACK(view_dir_list_destroy), d);
1597
1598         menu_item_add_stock(menu, _("Dropped list includes folders."), GQ_ICON_DND, nullptr, nullptr);
1599         menu_item_add_divider(menu);
1600         menu_item_add_icon(menu, _("_Add contents"), GQ_ICON_OK, G_CALLBACK(view_dir_list_add), d);
1601         menu_item_add_icon(menu, _("Add contents _recursive"), GQ_ICON_ADD, G_CALLBACK(view_dir_list_recurse), d);
1602         menu_item_add_icon(menu, _("_Skip folders"), GQ_ICON_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1603         menu_item_add_divider(menu);
1604         menu_item_add_icon(menu, _("Cancel"), GQ_ICON_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1605
1606         return menu;
1607 }
1608
1609 /*
1610  *-----------------------------------------------------------------------------
1611  * image drag and drop routines
1612  *-----------------------------------------------------------------------------
1613  */
1614
1615 static void view_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
1616                                      gint, gint,
1617                                      GtkSelectionData *selection_data, guint info,
1618                                      guint, gpointer data)
1619 {
1620         auto vw = static_cast<ViewWindow *>(data);
1621         ImageWindow *imd;
1622
1623         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1624
1625         imd = vw->imd;
1626
1627         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1628                 {
1629                 CollectionData *source;
1630                 GList *list;
1631                 GList *info_list;
1632
1633                 if (info == TARGET_URI_LIST)
1634                         {
1635                         GList *work;
1636
1637                         list = uri_filelist_from_gtk_selection_data(selection_data);
1638
1639                         work = list;
1640                         while (work)
1641                                 {
1642                                 auto fd = static_cast<FileData *>(work->data);
1643                                 if (isdir(fd->path))
1644                                         {
1645                                         GtkWidget *menu;
1646                                         menu = view_confirm_dir_list(vw, list);
1647                                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1648                                         return;
1649                                         }
1650                                 work = work->next;
1651                                 }
1652
1653                         list = filelist_filter(list, FALSE);
1654
1655                         source = nullptr;
1656                         info_list = nullptr;
1657                         }
1658                 else
1659                         {
1660                         source = collection_from_dnd_data(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), &list, &info_list);
1661                         }
1662
1663                 if (list)
1664                         {
1665                         FileData *fd;
1666
1667                         fd = static_cast<FileData *>(list->data);
1668                         if (isfile(fd->path))
1669                                 {
1670                                 view_slideshow_stop(vw);
1671                                 view_window_set_list(vw, nullptr);
1672
1673                                 if (source && info_list)
1674                                         {
1675                                         image_change_from_collection(imd, source, static_cast<CollectInfo *>(info_list->data), image_zoom_get_default(imd));
1676                                         }
1677                                 else
1678                                         {
1679                                         if (list->next)
1680                                                 {
1681                                                 vw->list = list;
1682                                                 list = nullptr;
1683
1684                                                 vw->list_pointer = vw->list;
1685                                                 }
1686                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1687                                         }
1688                                 }
1689                         }
1690                 filelist_free(list);
1691                 g_list_free(info_list);
1692                 }
1693 }
1694
1695 static void view_window_set_dnd_data(GtkWidget *, GdkDragContext *,
1696                                      GtkSelectionData *selection_data, guint,
1697                                      guint, gpointer data)
1698 {
1699         auto vw = static_cast<ViewWindow *>(data);
1700         FileData *fd;
1701
1702         fd = image_get_fd(vw->imd);
1703
1704         if (fd)
1705                 {
1706                 GList *list;
1707
1708                 list = g_list_append(nullptr, fd);
1709                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1710                 g_list_free(list);
1711                 }
1712         else
1713                 {
1714                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1715                                        8, nullptr, 0);
1716                 }
1717 }
1718
1719 static void view_window_dnd_init(ViewWindow *vw)
1720 {
1721         ImageWindow *imd;
1722
1723         imd = vw->imd;
1724
1725         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1726                             dnd_file_drag_types, dnd_file_drag_types_count,
1727                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1728         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1729                          G_CALLBACK(view_window_set_dnd_data), vw);
1730
1731         gtk_drag_dest_set(imd->pr,
1732                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
1733                           dnd_file_drop_types, dnd_file_drop_types_count,
1734                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1735         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1736                          G_CALLBACK(view_window_get_dnd_data), vw);
1737 }
1738
1739 /*
1740  *-----------------------------------------------------------------------------
1741  * maintenance (for rename, move, remove)
1742  *-----------------------------------------------------------------------------
1743  */
1744
1745 static void view_real_removed(ViewWindow *vw, FileData *fd)
1746 {
1747         ImageWindow *imd;
1748         FileData *image_fd;
1749
1750         imd = view_window_active_image(vw);
1751         image_fd = image_get_fd(imd);
1752
1753         if (image_fd && image_fd == fd)
1754                 {
1755                 if (vw->list)
1756                         {
1757                         view_list_step(vw, TRUE);
1758                         if (image_get_fd(imd) == image_fd)
1759                                 {
1760                                 view_list_step(vw, FALSE);
1761                                 }
1762                         }
1763                 else if (view_window_contains_collection(vw))
1764                         {
1765                         view_collection_step(vw, TRUE);
1766                         if (image_get_fd(imd) == image_fd)
1767                                 {
1768                                 view_collection_step(vw, FALSE);
1769                                 }
1770                         }
1771                 if (image_get_fd(imd) == image_fd)
1772                         {
1773                         image_change_fd(imd, nullptr, image_zoom_get_default(imd));
1774                         }
1775                 }
1776
1777         if (vw->list)
1778                 {
1779                 GList *work;
1780                 GList *old;
1781
1782                 old = vw->list_pointer;
1783
1784                 work = vw->list;
1785                 while (work)
1786                         {
1787                         FileData *chk_fd;
1788                         GList *chk_link;
1789
1790                         chk_fd = static_cast<FileData *>(work->data);
1791                         chk_link = work;
1792                         work = work->next;
1793
1794                         if (chk_fd == fd)
1795                                 {
1796                                 if (vw->list_pointer == chk_link)
1797                                         {
1798                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1799                                         }
1800                                 vw->list = g_list_remove(vw->list, chk_fd);
1801                                 file_data_unref(chk_fd);
1802                                 }
1803                         }
1804
1805                 /* handles stepping correctly when same image is in the list more than once */
1806                 if (old && old != vw->list_pointer)
1807                         {
1808                         FileData *fd;
1809
1810                         if (vw->list_pointer)
1811                                 {
1812                                 fd = static_cast<FileData *>(vw->list_pointer->data);
1813                                 }
1814                         else
1815                                 {
1816                                 fd = nullptr;
1817                                 }
1818
1819                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1820                         }
1821                 }
1822
1823         image_osd_update(imd);
1824 }
1825
1826 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1827 {
1828         auto vw = static_cast<ViewWindow *>(data);
1829
1830         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1831
1832         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1833
1834         switch (fd->change->type)
1835                 {
1836                 case FILEDATA_CHANGE_MOVE:
1837                 case FILEDATA_CHANGE_RENAME:
1838                         break;
1839                 case FILEDATA_CHANGE_COPY:
1840                         break;
1841                 case FILEDATA_CHANGE_DELETE:
1842                         view_real_removed(vw, fd);
1843                         break;
1844                 case FILEDATA_CHANGE_UNSPECIFIED:
1845                 case FILEDATA_CHANGE_WRITE_METADATA:
1846                         break;
1847                 }
1848 }
1849 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */