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 "img-view.h"
  23
  24 #include <config.h>
  25
  26 #include "collect-io.h"
  27 #include "collect.h"
  28 #include "compat.h"
  29 #include "debug.h"
  30 #include "dnd.h"
  31 #include "editors.h"
  32 #include "filedata.h"
  33 #include "fullscreen.h"
  34 #include "image-load.h"
  35 #include "image-overlay.h"
  36 #include "image.h"
  37 #include "intl.h"
  38 #include "layout-util.h"
  39 #include "main-defines.h"
  40 #include "main.h"
  41 #include "menu.h"
  42 #include "misc.h"
  43 #include "pixbuf-util.h"
  44 #include "print.h"
  45 #include "slideshow.h"
  46 #include "ui-fileops.h"
  47 #include "ui-menu.h"
  48 #include "uri-utils.h"
  49 #include "utilops.h"
  50 #include "window.h"
  51
  52 struct ViewWindow
  53 {
  54         GtkWidget *window;
  55         ImageWindow *imd;
  56         FullScreenData *fs;
  57         SlideShowData *ss;
  58
  59         GList *list;
  60         GList *list_pointer;
  61 };
  62
  63
  64 static GList *view_window_list = nullptr;
  65
  66
  67 static GtkWidget *view_popup_menu(ViewWindow *vw);
  68 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  69 static void view_overlay_toggle(ViewWindow *vw);
  70
  71 static void view_slideshow_next(ViewWindow *vw);
  72 static void view_slideshow_prev(ViewWindow *vw);
  73 static void view_slideshow_start(ViewWindow *vw);
  74 static void view_slideshow_stop(ViewWindow *vw);
  75
  76 static void view_window_close(ViewWindow *vw);
  77
  78 static void view_window_dnd_init(ViewWindow *vw);
  79
  80 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  81
  82
  83 /**
  84  * This array must be kept in sync with the contents of:\n
  85  *  @link view_popup_menu() @endlink \n
  86  *  @link view_window_key_press_cb() @endlink
  87  *
  88  * See also @link hard_coded_window_keys @endlink
  89  **/
  90 hard_coded_window_keys image_window_keys[] = {
  91         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  92         {GDK_CONTROL_MASK, 'M', N_("Move")},
  93         {GDK_CONTROL_MASK, 'R', N_("Rename")},
  94         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
  95         {static_cast<GdkModifierType>(0), GDK_KEY_Delete, N_("Move to Trash")},
  96         {GDK_SHIFT_MASK, GDK_KEY_Delete, N_("Delete")},
  97         {GDK_CONTROL_MASK, 'W', N_("Close window")},
  98         {GDK_SHIFT_MASK, 'R', N_("Rotate 180°")},
  99         {GDK_SHIFT_MASK, 'M', N_("Rotate mirror")},
 100         {GDK_SHIFT_MASK, 'F', N_("Rotate flip")},
 101         {static_cast<GdkModifierType>(0), ']', N_(" Rotate counterclockwise 90°")},
 102         {static_cast<GdkModifierType>(0), '[', N_(" Rotate clockwise 90°")},
 103         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Previous")},
 104         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Up, N_("Previous")},
 105         {static_cast<GdkModifierType>(0), GDK_KEY_BackSpace, N_("Previous")},
 106         {static_cast<GdkModifierType>(0), 'B', N_("Previous")},
 107         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Next")},
 108         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Down, N_("Next")},
 109         {static_cast<GdkModifierType>(0), GDK_KEY_space, N_("Next")},
 110         {static_cast<GdkModifierType>(0), 'N', N_("Next")},
 111         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 112         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 113         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 114         {static_cast<GdkModifierType>(0), 'X', N_("Zoom to fit")},
 115         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Multiply, N_("Zoom to fit")},
 116         {static_cast<GdkModifierType>(0), 'Z', N_("Zoom 1:1")},
 117         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 118         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 119         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 120         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 121         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 122         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 123         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 124         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 125         {static_cast<GdkModifierType>(0), 'W', N_("Zoom fit window width")},
 126         {static_cast<GdkModifierType>(0), 'H', N_("Zoom fit window height")},
 127         {static_cast<GdkModifierType>(0), 'S', N_("Toggle slideshow")},
 128         {static_cast<GdkModifierType>(0), 'P', N_("Pause slideshow")},
 129         {static_cast<GdkModifierType>(0), 'R', N_("Reload image")},
 130         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 131         {static_cast<GdkModifierType>(0), 'V', N_("Fullscreen")},
 132         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Fullscreen")},
 133         {static_cast<GdkModifierType>(0), 'I', N_("Image overlay")},
 134         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 135         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Close window")},
 136         {GDK_SHIFT_MASK, 'G', N_("Desaturate")},
 137         {GDK_SHIFT_MASK, 'P', N_("Print")},
 138         {static_cast<GdkModifierType>(0), 0, nullptr}
 139 };
 140
 141
 142 /*
 143  *-----------------------------------------------------------------------------
 144  * misc
 145  *-----------------------------------------------------------------------------
 146  */
 147
 148 static ImageWindow *view_window_active_image(ViewWindow *vw)
 149 {
 150         if (vw->fs) return vw->fs->imd;
 151
 152         return vw->imd;
 153 }
 154
 155 static void view_window_set_list(ViewWindow *vw, GList *list)
 156 {
 157
 158         filelist_free(vw->list);
 159         vw->list = nullptr;
 160         vw->list_pointer = nullptr;
 161
 162         vw->list = filelist_copy(list);
 163 }
 164
 165 static gboolean view_window_contains_collection(ViewWindow *vw)
 166 {
 167         CollectionData *cd;
 168         CollectInfo *info;
 169
 170         cd = image_get_collection(view_window_active_image(vw), &info);
 171
 172         return (cd && info);
 173 }
 174
 175 static void view_collection_step(ViewWindow *vw, gboolean next)
 176 {
 177         ImageWindow *imd = view_window_active_image(vw);
 178         CollectionData *cd;
 179         CollectInfo *info;
 180         CollectInfo *read_ahead_info = nullptr;
 181
 182         cd = image_get_collection(imd, &info);
 183
 184         if (!cd || !info) return;
 185
 186         if (next)
 187                 {
 188                 info = collection_next_by_info(cd, info);
 189                 if (options->image.enable_read_ahead)
 190                         {
 191                         read_ahead_info = collection_next_by_info(cd, info);
 192                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 193                         }
 194                 }
 195         else
 196                 {
 197                 info = collection_prev_by_info(cd, info);
 198                 if (options->image.enable_read_ahead)
 199                         {
 200                         read_ahead_info = collection_prev_by_info(cd, info);
 201                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 202                         }
 203                 }
 204
 205         if (info)
 206                 {
 207                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 208
 209                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 210                 }
 211
 212 }
 213
 214 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 215 {
 216         ImageWindow *imd = view_window_active_image(vw);
 217         CollectionData *cd;
 218         CollectInfo *info;
 219         CollectInfo *read_ahead_info = nullptr;
 220
 221         cd = image_get_collection(imd, &info);
 222
 223         if (!cd || !info) return;
 224
 225         if (last)
 226                 {
 227                 info = collection_get_last(cd);
 228                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 229                 }
 230         else
 231                 {
 232                 info = collection_get_first(cd);
 233                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 234                 }
 235
 236         if (info)
 237                 {
 238                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 239                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 240                 }
 241 }
 242
 243 static void view_list_step(ViewWindow *vw, gboolean next)
 244 {
 245         ImageWindow *imd = view_window_active_image(vw);
 246         FileData *fd;
 247         GList *work;
 248         GList *work_ahead;
 249
 250         if (!vw->list) return;
 251
 252         fd = image_get_fd(imd);
 253         if (!fd) return;
 254
 255         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 256                 {
 257                 work = vw->list_pointer;
 258                 }
 259         else
 260                 {
 261                 gboolean found = FALSE;
 262
 263                 work = vw->list;
 264                 while (work && !found)
 265                         {
 266                         FileData *temp;
 267
 268                         temp = static_cast<FileData *>(work->data);
 269
 270                         if (fd == temp)
 271                                 {
 272                                 found = TRUE;
 273                                 }
 274                         else
 275                                 {
 276                                 work = work->next;
 277                                 }
 278                         }
 279                 }
 280         if (!work) return;
 281
 282         work_ahead = nullptr;
 283         if (next)
 284                 {
 285                 work = work->next;
 286                 if (work) work_ahead = work->next;
 287                 }
 288         else
 289                 {
 290                 work = work->prev;
 291                 if (work) work_ahead = work->prev;
 292                 }
 293
 294         if (!work) return;
 295
 296         vw->list_pointer = work;
 297         fd = static_cast<FileData *>(work->data);
 298         image_change_fd(imd, fd, image_zoom_get_default(imd));
 299
 300         if (options->image.enable_read_ahead && work_ahead)
 301                 {
 302                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 303                 image_prebuffer_set(imd, next_fd);
 304                 }
 305 }
 306
 307 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 308 {
 309         ImageWindow *imd = view_window_active_image(vw);
 310         FileData *fd;
 311         GList *work;
 312         GList *work_ahead;
 313
 314         if (!vw->list) return;
 315
 316         if (last)
 317                 {
 318                 work = g_list_last(vw->list);
 319                 work_ahead = work->prev;
 320                 }
 321         else
 322                 {
 323                 work = vw->list;
 324                 work_ahead = work->next;
 325                 }
 326
 327         vw->list_pointer = work;
 328         fd = static_cast<FileData *>(work->data);
 329         image_change_fd(imd, fd, image_zoom_get_default(imd));
 330
 331         if (options->image.enable_read_ahead && work_ahead)
 332                 {
 333                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 334                 image_prebuffer_set(imd, next_fd);
 335                 }
 336 }
 337
 338 static void view_step_next(ViewWindow *vw)
 339 {
 340         if (vw->ss)
 341                 {
 342                 view_slideshow_next(vw);
 343                 }
 344         else if (vw->list)
 345                 {
 346                 view_list_step(vw, TRUE);
 347                 }
 348         else
 349                 {
 350                 view_collection_step(vw, TRUE);
 351                 }
 352 }
 353
 354 static void view_step_prev(ViewWindow *vw)
 355 {
 356         if (vw->ss)
 357                 {
 358                 view_slideshow_prev(vw);
 359                 }
 360         else if (vw->list)
 361                 {
 362                 view_list_step(vw, FALSE);
 363                 }
 364         else
 365                 {
 366                 view_collection_step(vw, FALSE);
 367                 }
 368 }
 369
 370 static void view_step_to_end(ViewWindow *vw, gboolean last)
 371 {
 372         if (vw->list)
 373                 {
 374                 view_list_step_to_end(vw, last);
 375                 }
 376         else
 377                 {
 378                 view_collection_step_to_end(vw, last);
 379                 }
 380 }
 381
 382 /*
 383  *-----------------------------------------------------------------------------
 384  * view window keyboard
 385  *-----------------------------------------------------------------------------
 386  */
 387
 388 static void view_window_press_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 389 {
 390         auto vw = static_cast<ViewWindow *>(data);
 391
 392         switch (bevent->button)
 393                 {
 394                 case MOUSE_BUTTON_LEFT:
 395                         if (bevent->type == GDK_2BUTTON_PRESS)
 396                                 {
 397                                 view_fullscreen_toggle(vw, TRUE);
 398                                 }
 399                         break;
 400                 default:
 401                         break;
 402                 }
 403 }
 404
 405 static gboolean view_window_key_press_cb(GtkWidget * (widget), GdkEventKey *event, gpointer data)
 406 {
 407         auto vw = static_cast<ViewWindow *>(data);
 408         ImageWindow *imd;
 409         gint stop_signal;
 410         GtkWidget *menu;
 411         gint x = 0;
 412         gint y = 0;
 413
 414         imd = view_window_active_image(vw);
 415
 416         stop_signal = TRUE;
 417         switch (event->keyval)
 418                 {
 419                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 420                         x -= 1;
 421                         break;
 422                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 423                         x += 1;
 424                         break;
 425                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 426                         y -= 1;
 427                         break;
 428                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 429                         y += 1;
 430                         break;
 431                 default:
 432                         stop_signal = FALSE;
 433                         break;
 434                 }
 435
 436         if (x != 0 || y!= 0)
 437                 {
 438                 if (event->state & GDK_SHIFT_MASK)
 439                         {
 440                         x *= 3;
 441                         y *= 3;
 442                         }
 443
 444                 keyboard_scroll_calc(&x, &y, event);
 445                 image_scroll(imd, x, y);
 446                 }
 447
 448         if (stop_signal) return stop_signal;
 449
 450         if (event->state & GDK_CONTROL_MASK)
 451                 {
 452                 stop_signal = TRUE;
 453                 switch (event->keyval)
 454                         {
 455                         case '1':
 456                         case '2':
 457                         case '3':
 458                         case '4':
 459                         case '5':
 460                         case '6':
 461                         case '7':
 462                         case '8':
 463                         case '9':
 464                         case '0':
 465                                 break;
 466                         case 'C': case 'c':
 467                                 file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
 468                                 break;
 469                         case 'M': case 'm':
 470                                 file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
 471                                 break;
 472                         case 'R': case 'r':
 473                                 file_util_rename(image_get_fd(imd), nullptr, imd->widget);
 474                                 break;
 475                         case 'D': case 'd':
 476                                 options->file_ops.safe_delete_enable = TRUE;
 477                                 file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 478                                 break;
 479                         case 'W': case 'w':
 480                                 view_window_close(vw);
 481                                 break;
 482                         default:
 483                                 stop_signal = FALSE;
 484                                 break;
 485                         }
 486                 }
 487         else if (event->state & GDK_SHIFT_MASK)
 488                 {
 489                 stop_signal = TRUE;
 490                 switch (event->keyval)
 491                         {
 492                         case 'R': case 'r':
 493                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 494                                 break;
 495                         case 'M': case 'm':
 496                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 497                                 break;
 498                         case 'F': case 'f':
 499                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 500                                 break;
 501                         case 'G': case 'g':
 502                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 503                                 break;
 504                         case 'P': case 'p':
 505                                 {
 506                                 FileData *fd;
 507
 508                                 view_fullscreen_toggle(vw, TRUE);
 509                                 imd = view_window_active_image(vw);
 510                                 fd = image_get_fd(imd);
 511                                 print_window_new(fd,
 512                                                  fd ? g_list_append(nullptr, file_data_ref(fd)) : nullptr,
 513                                                  filelist_copy(vw->list), vw->window);
 514                                 }
 515                                 break;
 516                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 517                                 if (options->file_ops.enable_delete_key)
 518                                         {
 519                                         options->file_ops.safe_delete_enable = FALSE;
 520                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 521                                         }
 522                                 break;
 523                         default:
 524                                 stop_signal = FALSE;
 525                                 break;
 526                         }
 527                 }
 528         else
 529                 {
 530                 stop_signal = TRUE;
 531                 switch (event->keyval)
 532                         {
 533                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 534                         case GDK_KEY_BackSpace:
 535                         case 'B': case 'b':
 536                                 view_step_prev(vw);
 537                                 break;
 538                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 539                         case GDK_KEY_space:
 540                         case 'N': case 'n':
 541                                 view_step_next(vw);
 542                                 break;
 543                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 544                                 view_step_to_end(vw, FALSE);
 545                                 break;
 546                         case GDK_KEY_End: case GDK_KEY_KP_End:
 547                                 view_step_to_end(vw, TRUE);
 548                                 break;
 549                         case '+': case '=': case GDK_KEY_KP_Add:
 550                                 image_zoom_adjust(imd, get_zoom_increment());
 551                                 break;
 552                         case '-': case GDK_KEY_KP_Subtract:
 553                                 image_zoom_adjust(imd, -get_zoom_increment());
 554                                 break;
 555                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 556                                 image_zoom_set(imd, 0.0);
 557                                 break;
 558                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 559                                 image_zoom_set(imd, 1.0);
 560                                 break;
 561                         case '2':
 562                                 image_zoom_set(imd, 2.0);
 563                                 break;
 564                         case '3':
 565                                 image_zoom_set(imd, 3.0);
 566                                 break;
 567                         case '4':
 568                                 image_zoom_set(imd, 4.0);
 569                                 break;
 570                         case '7':
 571                                 image_zoom_set(imd, -4.0);
 572                                 break;
 573                         case '8':
 574                                 image_zoom_set(imd, -3.0);
 575                                 break;
 576                         case '9':
 577                                 image_zoom_set(imd, -2.0);
 578                                 break;
 579                         case 'W': case 'w':
 580                                 image_zoom_set_fill_geometry(imd, FALSE);
 581                                 break;
 582                         case 'H': case 'h':
 583                                 image_zoom_set_fill_geometry(imd, TRUE);
 584                                 break;
 585                         case 'R': case 'r':
 586                                 image_reload(imd);
 587                                 break;
 588                         case 'S': case 's':
 589                                 if (vw->ss)
 590                                         {
 591                                         view_slideshow_stop(vw);
 592                                         }
 593                                 else
 594                                         {
 595                                         view_slideshow_start(vw);
 596                                         }
 597                                 break;
 598                         case 'P': case 'p':
 599                                 slideshow_pause_toggle(vw->ss);
 600                                 break;
 601                         case 'F': case 'f':
 602                         case 'V': case 'v':
 603                         case GDK_KEY_F11:
 604                                 view_fullscreen_toggle(vw, FALSE);
 605                                 break;
 606                         case 'I': case 'i':
 607                                 view_overlay_toggle(vw);
 608                                 break;
 609                         case ']':
 610                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 611                                 break;
 612                         case '[':
 613                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 614                                 break;
 615                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 616                                 if (options->file_ops.enable_delete_key)
 617                                         {
 618                                         options->file_ops.safe_delete_enable = TRUE;
 619                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 620                                         }
 621                                 break;
 622                         case GDK_KEY_Escape:
 623                                 if (vw->fs)
 624                                         {
 625                                         view_fullscreen_toggle(vw, TRUE);
 626                                         }
 627                                 else
 628                                         {
 629                                         view_window_close(vw);
 630                                         }
 631                                 break;
 632                         case GDK_KEY_Menu:
 633                         case GDK_KEY_F10:
 634                                 menu = view_popup_menu(vw);
 635                                 gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER, nullptr);
 636                                 break;
 637                         default:
 638                                 stop_signal = FALSE;
 639                                 break;
 640                         }
 641                 }
 642         if (!stop_signal && is_help_key(event))
 643                 {
 644                 help_window_show("GuideOtherWindowsImageWindow.html");
 645                 stop_signal = TRUE;
 646                 }
 647
 648         return stop_signal;
 649 }
 650
 651 /*
 652  *-----------------------------------------------------------------------------
 653  * view window main routines
 654  *-----------------------------------------------------------------------------
 655  */
 656 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 657 {
 658         auto vw = static_cast<ViewWindow *>(data);
 659         GtkWidget *menu;
 660         gchar *dest_dir;
 661         LayoutWindow *lw_new;
 662
 663         switch (event->button)
 664                 {
 665                 case MOUSE_BUTTON_LEFT:
 666                         if (options->image_l_click_archive && imd->image_fd->format_class == FORMAT_CLASS_ARCHIVE)
 667                                 {
 668                                 dest_dir = open_archive(imd->image_fd);
 669                                 if (dest_dir)
 670                                         {
 671                                         lw_new = layout_new_from_default();
 672                                         layout_set_path(lw_new, dest_dir);
 673                                         g_free(dest_dir);
 674                                         }
 675                                 else
 676                                         {
 677                                         warning_dialog(_("Cannot open archive file"), _("See the Log Window"), GQ_ICON_DIALOG_WARNING, nullptr);
 678                                         }
 679                                 }
 680                         else if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 681                                 {
 682                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 683                                 }
 684                         else if (options->image_lm_click_nav)
 685                                 view_step_next(vw);
 686                         break;
 687                 case MOUSE_BUTTON_MIDDLE:
 688                         if (options->image_lm_click_nav)
 689                                 view_step_prev(vw);
 690                         break;
 691                 case MOUSE_BUTTON_RIGHT:
 692                         menu = view_popup_menu(vw);
 693                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 694                         break;
 695                 default:
 696                         break;
 697                 }
 698 }
 699
 700 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 701 {
 702         auto vw = static_cast<ViewWindow *>(data);
 703
 704         if ((event->state & GDK_CONTROL_MASK) ||
 705                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 706                 {
 707                 switch (event->direction)
 708                         {
 709                         case GDK_SCROLL_UP:
 710                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 711                                 break;
 712                         case GDK_SCROLL_DOWN:
 713                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 714                                 break;
 715                         default:
 716                                 break;
 717                         }
 718                 }
 719         else if ( (event->state & GDK_SHIFT_MASK) != static_cast<guint>(options->mousewheel_scrolls))
 720                 {
 721                 switch (event->direction)
 722                         {
 723                         case GDK_SCROLL_UP:
 724                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 725                                 break;
 726                         case GDK_SCROLL_DOWN:
 727                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 728                                 break;
 729                         case GDK_SCROLL_LEFT:
 730                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 731                                 break;
 732                         case GDK_SCROLL_RIGHT:
 733                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 734                                 break;
 735                         default:
 736                                 break;
 737                         }
 738                 }
 739         else
 740                 {
 741                 switch (event->direction)
 742                         {
 743                         case GDK_SCROLL_UP:
 744                                 view_step_prev(vw);
 745                                 break;
 746                         case GDK_SCROLL_DOWN:
 747                                 view_step_next(vw);
 748                                 break;
 749                         default:
 750                                 break;
 751                         }
 752                 }
 753 }
 754
 755 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 756 {
 757         image_set_button_func(imd, button_cb, vw);
 758         image_set_scroll_func(imd, scroll_cb, vw);
 759 }
 760
 761 static void view_fullscreen_stop_func(FullScreenData *, gpointer data)
 762 {
 763         auto vw = static_cast<ViewWindow *>(data);
 764
 765         vw->fs = nullptr;
 766
 767         if (vw->ss) vw->ss->imd = vw->imd;
 768 }
 769
 770 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 771 {
 772         if (force_off && !vw->fs) return;
 773
 774         if (vw->fs)
 775                 {
 776                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 777                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 778
 779                 fullscreen_stop(vw->fs);
 780                 }
 781         else
 782                 {
 783                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 784
 785                 view_image_set_buttons(vw, vw->fs->imd);
 786                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 787                                  G_CALLBACK(view_window_key_press_cb), vw);
 788
 789                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 790
 791                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 792                         {
 793                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 794                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 795                         }
 796                 }
 797 }
 798
 799 static void view_overlay_toggle(ViewWindow *vw)
 800 {
 801         ImageWindow *imd;
 802
 803         imd = view_window_active_image(vw);
 804
 805         image_osd_toggle(imd);
 806 }
 807
 808 static void view_slideshow_next(ViewWindow *vw)
 809 {
 810         if (vw->ss) slideshow_next(vw->ss);
 811 }
 812
 813 static void view_slideshow_prev(ViewWindow *vw)
 814 {
 815         if (vw->ss) slideshow_prev(vw->ss);
 816 }
 817
 818 static void view_slideshow_stop_func(SlideShowData *, gpointer data)
 819 {
 820         auto vw = static_cast<ViewWindow *>(data);
 821         GList *work;
 822         FileData *fd;
 823
 824         vw->ss = nullptr;
 825
 826         work = vw->list;
 827         fd = image_get_fd(view_window_active_image(vw));
 828         while (work)
 829                 {
 830                 FileData *temp;
 831
 832                 temp = static_cast<FileData *>(work->data);
 833                 if (fd == temp)
 834                         {
 835                         vw->list_pointer = work;
 836                         work = nullptr;
 837                         }
 838                 else
 839                         {
 840                         work = work->next;
 841                         }
 842                 }
 843 }
 844
 845 static void view_slideshow_start(ViewWindow *vw)
 846 {
 847         if (!vw->ss)
 848                 {
 849                 CollectionData *cd;
 850                 CollectInfo *info;
 851
 852                 if (vw->list)
 853                         {
 854                         vw->ss = slideshow_start_from_filelist(nullptr, view_window_active_image(vw),
 855                                                                 filelist_copy(vw->list),
 856                                                                 view_slideshow_stop_func, vw);
 857                         vw->list_pointer = nullptr;
 858                         return;
 859                         }
 860
 861                 cd = image_get_collection(view_window_active_image(vw), &info);
 862                 if (cd && info)
 863                         {
 864                         vw->ss = slideshow_start_from_collection(nullptr, view_window_active_image(vw), cd,
 865                                                                  view_slideshow_stop_func, vw, info);
 866                         }
 867                 }
 868 }
 869
 870 static void view_slideshow_stop(ViewWindow *vw)
 871 {
 872         if (vw->ss) slideshow_free(vw->ss);
 873 }
 874
 875 static void view_window_destroy_cb(GtkWidget *, gpointer data)
 876 {
 877         auto vw = static_cast<ViewWindow *>(data);
 878
 879         view_window_list = g_list_remove(view_window_list, vw);
 880
 881         view_slideshow_stop(vw);
 882         fullscreen_stop(vw->fs);
 883
 884         filelist_free(vw->list);
 885
 886         file_data_unregister_notify_func(view_window_notify_cb, vw);
 887
 888         g_free(vw);
 889 }
 890
 891 static void view_window_close(ViewWindow *vw)
 892 {
 893         view_slideshow_stop(vw);
 894         view_fullscreen_toggle(vw, TRUE);
 895         gq_gtk_widget_destroy(vw->window);
 896 }
 897
 898 static gboolean view_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
 899 {
 900         auto vw = static_cast<ViewWindow *>(data);
 901
 902         view_window_close(vw);
 903         return TRUE;
 904 }
 905
 906 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 907 {
 908         ViewWindow *vw;
 909         GtkAllocation req_size;
 910         GdkGeometry geometry;
 911         gint w;
 912         gint h;
 913
 914         if (!fd && !list && (!cd || !info)) return nullptr;
 915
 916         vw = g_new0(ViewWindow, 1);
 917
 918         vw->window = window_new("view", PIXBUF_INLINE_ICON_VIEW, nullptr, nullptr);
 919         DEBUG_NAME(vw->window);
 920
 921         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 922         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 923         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
 924
 925         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 926         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 927
 928         vw->imd = image_new(FALSE);
 929         image_color_profile_set(vw->imd,
 930                                 options->color_profile.input_type,
 931                                 options->color_profile.use_image);
 932         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 933
 934         image_background_set_color_from_options(vw->imd, FALSE);
 935
 936         image_attach_window(vw->imd, vw->window, nullptr, GQ_APPNAME, TRUE);
 937
 938         image_auto_refresh_enable(vw->imd, TRUE);
 939         image_top_window_set_sync(vw->imd, TRUE);
 940
 941         gq_gtk_container_add(GTK_WIDGET(vw->window), vw->imd->widget);
 942         gtk_widget_show(vw->imd->widget);
 943
 944         view_window_dnd_init(vw);
 945
 946         view_image_set_buttons(vw, vw->imd);
 947
 948         g_signal_connect(G_OBJECT(vw->window), "destroy",
 949                          G_CALLBACK(view_window_destroy_cb), vw);
 950         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 951                          G_CALLBACK(view_window_delete_cb), vw);
 952         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 953                          G_CALLBACK(view_window_key_press_cb), vw);
 954         g_signal_connect(G_OBJECT(vw->window), "button_press_event",
 955                          G_CALLBACK(view_window_press_cb), vw);
 956
 957         if (cd && info)
 958                 {
 959                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(nullptr));
 960                 /* Grab the fd so we can correctly size the window in
 961                    the call to image_load_dimensions() below. */
 962                 fd = info->fd;
 963                 if (options->image.enable_read_ahead)
 964                         {
 965                         CollectInfo * r_info = collection_next_by_info(cd, info);
 966                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 967                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 968                         }
 969                 }
 970         else if (list)
 971                 {
 972                 view_window_set_list(vw, list);
 973                 vw->list_pointer = vw->list;
 974                 image_change_fd(vw->imd, static_cast<FileData *>(vw->list->data), image_zoom_get_default(nullptr));
 975                 /* Set fd to first in list */
 976                 fd = static_cast<FileData *>(vw->list->data);
 977
 978                 if (options->image.enable_read_ahead)
 979                         {
 980                         GList *work = vw->list->next;
 981                         if (work) image_prebuffer_set(vw->imd, static_cast<FileData *>(work->data));
 982                         }
 983                 }
 984         else
 985                 {
 986                 image_change_fd(vw->imd, fd, image_zoom_get_default(nullptr));
 987                 }
 988
 989         /* Wait until image is loaded otherwise size is not defined */
 990         image_load_dimensions(fd, &w, &h);
 991
 992         if (options->image.limit_window_size)
 993                 {
 994                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 995                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 996
 997                 if (w > mw) w = mw;
 998                 if (h > mh) h = mh;
 999                 }
1000
1001         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
1002         req_size.x = req_size.y = 0;
1003         req_size.width = w;
1004         req_size.height = h;
1005         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
1006
1007         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
1008         gtk_widget_show(vw->window);
1009
1010         view_window_list = g_list_append(view_window_list, vw);
1011
1012         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
1013
1014         /** @FIXME This is a hack to fix #965 View in new window - blank image
1015          * The problem occurs when zoom is set to Original Size and Preload
1016          * Next Image is set.
1017          * An extra reload is required to force the image to be displayed.
1018          * See also layout-image.cc layout_image_full_screen_start()
1019          * This is probably not the correct solution.
1020          **/
1021         image_reload(vw->imd);
1022
1023         return vw;
1024 }
1025
1026 static void view_window_collection_unref_cb(GtkWidget *, gpointer data)
1027 {
1028         auto cd = static_cast<CollectionData *>(data);
1029
1030         collection_unref(cd);
1031 }
1032
1033 void view_window_new(FileData *fd)
1034 {
1035         GList *list;
1036
1037         if (fd)
1038                 {
1039                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
1040                         {
1041                         ViewWindow *vw;
1042                         CollectionData *cd;
1043                         CollectInfo *info;
1044
1045                         cd = collection_new(fd->path);
1046                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
1047                                 {
1048                                 info = collection_get_first(cd);
1049                                 }
1050                         else
1051                                 {
1052                                 collection_unref(cd);
1053                                 cd = nullptr;
1054                                 info = nullptr;
1055                                 }
1056                         vw = real_view_window_new(nullptr, nullptr, cd, info);
1057                         if (vw && cd)
1058                                 {
1059                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
1060                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
1061                                 }
1062                         }
1063                 else if (isdir(fd->path) && filelist_read(fd, &list, nullptr))
1064                         {
1065                         list = filelist_sort_path(list);
1066                         list = filelist_filter(list, FALSE);
1067                         real_view_window_new(nullptr, list, nullptr, nullptr);
1068                         filelist_free(list);
1069                         }
1070                 else
1071                         {
1072                         real_view_window_new(fd, nullptr, nullptr, nullptr);
1073                         }
1074                 }
1075 }
1076
1077 void view_window_new_from_list(GList *list)
1078 {
1079         real_view_window_new(nullptr, list, nullptr, nullptr);
1080 }
1081
1082 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
1083 {
1084         real_view_window_new(nullptr, nullptr, cd, info);
1085 }
1086
1087 /*
1088  *-----------------------------------------------------------------------------
1089  * public
1090  *-----------------------------------------------------------------------------
1091  */
1092
1093 void view_window_colors_update()
1094 {
1095         GList *work;
1096
1097         work = view_window_list;
1098         while (work)
1099                 {
1100                 auto vw = static_cast<ViewWindow *>(work->data);
1101                 work = work->next;
1102
1103                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1104                 }
1105 }
1106
1107 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1108 {
1109         GList *work;
1110
1111         work = view_window_list;
1112         while (work)
1113                 {
1114                 auto vw = static_cast<ViewWindow *>(work->data);
1115                 work = work->next;
1116
1117                 if (vw->imd == imd ||
1118                     (vw->fs && vw->fs->imd == imd))
1119                         {
1120                         if (vw->ss)
1121                                 {
1122                                 gint n;
1123                                 gint t;
1124
1125                                 n = g_list_length(vw->ss->list_done);
1126                                 t = n + g_list_length(vw->ss->list);
1127                                 if (n == 0) n = t;
1128                                 if (index) *index = n - 1;
1129                                 if (total) *total = t;
1130                                 }
1131                         else
1132                                 {
1133                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1134                                 if (total) *total = g_list_length(vw->list);
1135                                 }
1136                         return TRUE;
1137                         }
1138                 }
1139
1140         return FALSE;
1141 }
1142
1143 /*
1144  *-----------------------------------------------------------------------------
1145  * view window menu routines and callbacks
1146  *-----------------------------------------------------------------------------
1147  */
1148
1149 static void view_new_window_cb(GtkWidget *, gpointer data)
1150 {
1151         auto vw = static_cast<ViewWindow *>(data);
1152         CollectionData *cd;
1153         CollectInfo *info;
1154
1155         cd = image_get_collection(vw->imd, &info);
1156
1157         if (cd && info)
1158                 {
1159                 view_window_new_from_collection(cd, info);
1160                 }
1161         else
1162                 {
1163                 view_window_new(image_get_fd(vw->imd));
1164                 }
1165 }
1166
1167 static void view_edit_cb(GtkWidget *widget, gpointer data)
1168 {
1169         ViewWindow *vw;
1170         ImageWindow *imd;
1171         auto key = static_cast<const gchar *>(data);
1172
1173         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1174         if (!vw) return;
1175
1176         if (!editor_window_flag_set(key))
1177                 {
1178                 view_fullscreen_toggle(vw, TRUE);
1179                 }
1180
1181         imd = view_window_active_image(vw);
1182         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1183 }
1184
1185 static void view_alter_cb(GtkWidget *widget, gpointer data)
1186 {
1187         ViewWindow *vw;
1188         AlterType type;
1189
1190         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1191         type = static_cast<AlterType>(GPOINTER_TO_INT(data));
1192
1193         if (!vw) return;
1194         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1195 }
1196
1197 static void view_zoom_in_cb(GtkWidget *, gpointer data)
1198 {
1199         auto vw = static_cast<ViewWindow *>(data);
1200
1201         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1202 }
1203
1204 static void view_zoom_out_cb(GtkWidget *, gpointer data)
1205 {
1206         auto vw = static_cast<ViewWindow *>(data);
1207
1208         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1209 }
1210
1211 static void view_zoom_1_1_cb(GtkWidget *, gpointer data)
1212 {
1213         auto vw = static_cast<ViewWindow *>(data);
1214
1215         image_zoom_set(view_window_active_image(vw), 1.0);
1216 }
1217
1218 static void view_zoom_fit_cb(GtkWidget *, gpointer data)
1219 {
1220         auto vw = static_cast<ViewWindow *>(data);
1221
1222         image_zoom_set(view_window_active_image(vw), 0.0);
1223 }
1224
1225 static void view_copy_cb(GtkWidget *, gpointer data)
1226 {
1227         auto vw = static_cast<ViewWindow *>(data);
1228         ImageWindow *imd;
1229
1230         imd = view_window_active_image(vw);
1231         file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
1232 }
1233
1234 static void view_move_cb(GtkWidget *, gpointer data)
1235 {
1236         auto vw = static_cast<ViewWindow *>(data);
1237         ImageWindow *imd;
1238
1239         imd = view_window_active_image(vw);
1240         file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
1241 }
1242
1243 static void view_rename_cb(GtkWidget *, gpointer data)
1244 {
1245         auto vw = static_cast<ViewWindow *>(data);
1246         ImageWindow *imd;
1247
1248         imd = view_window_active_image(vw);
1249         file_util_rename(image_get_fd(imd), nullptr, imd->widget);
1250 }
1251
1252 static void view_delete_cb(GtkWidget *, gpointer data)
1253 {
1254         auto vw = static_cast<ViewWindow *>(data);
1255         ImageWindow *imd;
1256
1257         imd = view_window_active_image(vw);
1258         options->file_ops.safe_delete_enable = FALSE;
1259         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1260 }
1261
1262 static void view_move_to_trash_cb(GtkWidget *, gpointer data)
1263 {
1264         auto vw = static_cast<ViewWindow *>(data);
1265         ImageWindow *imd;
1266
1267         imd = view_window_active_image(vw);
1268         options->file_ops.safe_delete_enable = TRUE;
1269         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1270 }
1271
1272 static void view_copy_path_cb(GtkWidget *, gpointer data)
1273 {
1274         auto vw = static_cast<ViewWindow *>(data);
1275         ImageWindow *imd;
1276
1277         imd = view_window_active_image(vw);
1278         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1279 }
1280
1281 static void view_copy_path_unquoted_cb(GtkWidget *, gpointer data)
1282 {
1283         auto vw = static_cast<ViewWindow *>(data);
1284         ImageWindow *imd;
1285
1286         imd = view_window_active_image(vw);
1287         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1288 }
1289
1290 static void view_fullscreen_cb(GtkWidget *, gpointer data)
1291 {
1292         auto vw = static_cast<ViewWindow *>(data);
1293
1294         view_fullscreen_toggle(vw, FALSE);
1295 }
1296
1297 static void view_slideshow_start_cb(GtkWidget *, gpointer data)
1298 {
1299         auto vw = static_cast<ViewWindow *>(data);
1300
1301         view_slideshow_start(vw);
1302 }
1303
1304 static void view_slideshow_stop_cb(GtkWidget *, gpointer data)
1305 {
1306         auto vw = static_cast<ViewWindow *>(data);
1307
1308         view_slideshow_stop(vw);
1309 }
1310
1311 static void view_slideshow_pause_cb(GtkWidget *, gpointer data)
1312 {
1313         auto vw = static_cast<ViewWindow *>(data);
1314
1315         slideshow_pause_toggle(vw->ss);
1316 }
1317
1318 static void view_close_cb(GtkWidget *, gpointer data)
1319 {
1320         auto vw = static_cast<ViewWindow *>(data);
1321
1322         view_window_close(vw);
1323 }
1324
1325 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1326 {
1327         LayoutWindow *nw;
1328
1329         nw = layout_new(nullptr, nullptr);
1330         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);
1331         layout_set_fd(nw, fd);
1332         return nw;
1333 }
1334
1335
1336 static void view_set_layout_path_cb(GtkWidget *, gpointer data)
1337 {
1338         auto vw = static_cast<ViewWindow *>(data);
1339         LayoutWindow *lw;
1340         ImageWindow *imd;
1341
1342         imd = view_window_active_image(vw);
1343
1344         if (!imd || !imd->image_fd) return;
1345
1346         lw = layout_find_by_image_fd(imd);
1347         if (lw)
1348                 layout_set_fd(lw, imd->image_fd);
1349         else
1350                 view_new_layout_with_fd(imd->image_fd);
1351         view_window_close(vw);
1352 }
1353
1354 static void view_popup_menu_destroy_cb(GtkWidget *, gpointer data)
1355 {
1356         auto editmenu_fd_list = static_cast<GList *>(data);
1357
1358         filelist_free(editmenu_fd_list);
1359 }
1360
1361 static GList *view_window_get_fd_list(ViewWindow *vw)
1362 {
1363         GList *list = nullptr;
1364         ImageWindow *imd = view_window_active_image(vw);
1365
1366         if (imd)
1367                 {
1368                 FileData *fd = image_get_fd(imd);
1369                 if (fd) list = g_list_append(nullptr, file_data_ref(fd));
1370                 }
1371
1372         return list;
1373 }
1374
1375 /**
1376  * @brief Add file selection list to a collection
1377  * @param[in] widget
1378  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1379  *
1380  *
1381  */
1382 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1383 {
1384         ViewWindow *vw;
1385         ImageWindow *imd;
1386         FileData *fd;
1387         GList *selection_list = nullptr;
1388
1389         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1390         imd = view_window_active_image(vw);
1391         fd = image_get_fd(imd);
1392         selection_list = g_list_append(selection_list, fd);
1393         pop_menu_collections(selection_list, data);
1394
1395         filelist_free(selection_list);
1396 }
1397
1398 static GtkWidget *view_popup_menu(ViewWindow *vw)
1399 {
1400         GtkWidget *menu;
1401         GtkWidget *item;
1402         GList *editmenu_fd_list;
1403         GtkAccelGroup *accel_group;
1404
1405         menu = popup_menu_short_lived();
1406
1407         accel_group = gtk_accel_group_new();
1408         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
1409
1410         g_object_set_data(G_OBJECT(menu), "window_keys", image_window_keys);
1411         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
1412
1413         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1414         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1415         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1416         menu_item_add_icon(menu, _("Zoom to fit"), GQ_ICON_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1417         menu_item_add_divider(menu);
1418
1419         editmenu_fd_list = view_window_get_fd_list(vw);
1420         g_signal_connect(G_OBJECT(menu), "destroy",
1421                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1422         item = submenu_add_edit(menu, nullptr, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1423         menu_item_add_divider(item);
1424
1425         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1426
1427         menu_item_add_icon(menu, _("View in _new window"), GQ_ICON_NEW, G_CALLBACK(view_new_window_cb), vw);
1428         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1429
1430         menu_item_add_divider(menu);
1431         menu_item_add_icon(menu, _("_Copy..."), GQ_ICON_COPY, G_CALLBACK(view_copy_cb), vw);
1432         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1433         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1434         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1435         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1436
1437         menu_item_add_divider(menu);
1438         menu_item_add_icon(menu,
1439                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1440                                         _("Move to Trash"), GQ_ICON_DELETE,
1441                                 G_CALLBACK(view_move_to_trash_cb), vw);
1442         menu_item_add_icon(menu,
1443                                 options->file_ops.confirm_delete ? _("_Delete...") :
1444                                         _("_Delete"), GQ_ICON_DELETE_SHRED,
1445                                 G_CALLBACK(view_delete_cb), vw);
1446
1447         menu_item_add_divider(menu);
1448
1449         submenu_add_collections(menu, &item,
1450                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1451         gtk_widget_set_sensitive(item, TRUE);
1452         menu_item_add_divider(menu);
1453
1454         if (vw->ss)
1455                 {
1456                 menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1457                 if (slideshow_paused(vw->ss))
1458                         {
1459                         item = menu_item_add(menu, _("Continue slides_how"),
1460                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1461                         }
1462                 else
1463                         {
1464                         item = menu_item_add(menu, _("Pause slides_how"),
1465                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1466                         }
1467                 }
1468         else
1469                 {
1470                 item = menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1471                 gtk_widget_set_sensitive(item, (vw->list != nullptr) || view_window_contains_collection(vw));
1472                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1473                 gtk_widget_set_sensitive(item, FALSE);
1474                 }
1475
1476         if (vw->fs)
1477                 {
1478                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1479                 }
1480         else
1481                 {
1482                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1483                 }
1484
1485         menu_item_add_divider(menu);
1486         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(view_close_cb), vw);
1487
1488         return menu;
1489 }
1490
1491 /*
1492  *-------------------------------------------------------------------
1493  * dnd confirm dir
1494  *-------------------------------------------------------------------
1495  */
1496
1497 struct CViewConfirmD {
1498         ViewWindow *vw;
1499         GList *list;
1500 };
1501
1502 static void view_dir_list_cancel(GtkWidget *, gpointer)
1503 {
1504         /* do nothing */
1505 }
1506
1507 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1508 {
1509         GList *work;
1510
1511         view_window_set_list(vw, nullptr);
1512
1513         work = list;
1514         while (work)
1515                 {
1516                 auto fd = static_cast<FileData *>(work->data);
1517                 work = work->next;
1518
1519                 if (isdir(fd->path))
1520                         {
1521                         if (!skip)
1522                                 {
1523                                 GList *list = nullptr;
1524
1525                                 if (recurse)
1526                                         {
1527                                         list = filelist_recursive(fd);
1528                                         }
1529                                 else
1530                                         { /** @FIXME ?? */
1531                                         filelist_read(fd, &list, nullptr);
1532                                         list = filelist_sort_path(list);
1533                                         list = filelist_filter(list, FALSE);
1534                                         }
1535                                 if (list) vw->list = g_list_concat(vw->list, list);
1536                                 }
1537                         }
1538                 else
1539                         {
1540                         /** @FIXME no filtering here */
1541                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1542                         }
1543                 }
1544
1545         if (vw->list)
1546                 {
1547                 FileData *fd;
1548
1549                 vw->list_pointer = vw->list;
1550                 fd = static_cast<FileData *>(vw->list->data);
1551                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1552
1553                 work = vw->list->next;
1554                 if (options->image.enable_read_ahead && work)
1555                         {
1556                         fd = static_cast<FileData *>(work->data);
1557                         image_prebuffer_set(vw->imd, fd);
1558                         }
1559                 }
1560         else
1561                 {
1562                 image_change_fd(vw->imd, nullptr, image_zoom_get_default(vw->imd));
1563                 }
1564 }
1565
1566 static void view_dir_list_add(GtkWidget *, gpointer data)
1567 {
1568         auto d = static_cast<CViewConfirmD *>(data);
1569         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1570 }
1571
1572 static void view_dir_list_recurse(GtkWidget *, gpointer data)
1573 {
1574         auto d = static_cast<CViewConfirmD *>(data);
1575         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1576 }
1577
1578 static void view_dir_list_skip(GtkWidget *, gpointer data)
1579 {
1580         auto d = static_cast<CViewConfirmD *>(data);
1581         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1582 }
1583
1584 static void view_dir_list_destroy(GtkWidget *, gpointer data)
1585 {
1586         auto d = static_cast<CViewConfirmD *>(data);
1587         filelist_free(d->list);
1588         g_free(d);
1589 }
1590
1591 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1592 {
1593         GtkWidget *menu;
1594         CViewConfirmD *d;
1595
1596         d = g_new(CViewConfirmD, 1);
1597         d->vw = vw;
1598         d->list = list;
1599
1600         menu = popup_menu_short_lived();
1601         g_signal_connect(G_OBJECT(menu), "destroy",
1602                          G_CALLBACK(view_dir_list_destroy), d);
1603
1604         menu_item_add_stock(menu, _("Dropped list includes folders."), GQ_ICON_DND, nullptr, nullptr);
1605         menu_item_add_divider(menu);
1606         menu_item_add_icon(menu, _("_Add contents"), GQ_ICON_OK, G_CALLBACK(view_dir_list_add), d);
1607         menu_item_add_icon(menu, _("Add contents _recursive"), GQ_ICON_ADD, G_CALLBACK(view_dir_list_recurse), d);
1608         menu_item_add_icon(menu, _("_Skip folders"), GQ_ICON_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1609         menu_item_add_divider(menu);
1610         menu_item_add_icon(menu, _("Cancel"), GQ_ICON_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1611
1612         return menu;
1613 }
1614
1615 /*
1616  *-----------------------------------------------------------------------------
1617  * image drag and drop routines
1618  *-----------------------------------------------------------------------------
1619  */
1620
1621 static void view_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
1622                                      gint, gint,
1623                                      GtkSelectionData *selection_data, guint info,
1624                                      guint, gpointer data)
1625 {
1626         auto vw = static_cast<ViewWindow *>(data);
1627         ImageWindow *imd;
1628
1629         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1630
1631         imd = vw->imd;
1632
1633         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1634                 {
1635                 CollectionData *source;
1636                 GList *list;
1637                 GList *info_list;
1638
1639                 if (info == TARGET_URI_LIST)
1640                         {
1641                         GList *work;
1642
1643                         list = uri_filelist_from_gtk_selection_data(selection_data);
1644
1645                         work = list;
1646                         while (work)
1647                                 {
1648                                 auto fd = static_cast<FileData *>(work->data);
1649                                 if (isdir(fd->path))
1650                                         {
1651                                         GtkWidget *menu;
1652                                         menu = view_confirm_dir_list(vw, list);
1653                                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1654                                         return;
1655                                         }
1656                                 work = work->next;
1657                                 }
1658
1659                         list = filelist_filter(list, FALSE);
1660
1661                         source = nullptr;
1662                         info_list = nullptr;
1663                         }
1664                 else
1665                         {
1666                         source = collection_from_dnd_data(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), &list, &info_list);
1667                         }
1668
1669                 if (list)
1670                         {
1671                         FileData *fd;
1672
1673                         fd = static_cast<FileData *>(list->data);
1674                         if (isfile(fd->path))
1675                                 {
1676                                 view_slideshow_stop(vw);
1677                                 view_window_set_list(vw, nullptr);
1678
1679                                 if (source && info_list)
1680                                         {
1681                                         image_change_from_collection(imd, source, static_cast<CollectInfo *>(info_list->data), image_zoom_get_default(imd));
1682                                         }
1683                                 else
1684                                         {
1685                                         if (list->next)
1686                                                 {
1687                                                 vw->list = list;
1688                                                 list = nullptr;
1689
1690                                                 vw->list_pointer = vw->list;
1691                                                 }
1692                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1693                                         }
1694                                 }
1695                         }
1696                 filelist_free(list);
1697                 g_list_free(info_list);
1698                 }
1699 }
1700
1701 static void view_window_set_dnd_data(GtkWidget *, GdkDragContext *,
1702                                      GtkSelectionData *selection_data, guint,
1703                                      guint, gpointer data)
1704 {
1705         auto vw = static_cast<ViewWindow *>(data);
1706         FileData *fd;
1707
1708         fd = image_get_fd(vw->imd);
1709
1710         if (fd)
1711                 {
1712                 GList *list;
1713
1714                 list = g_list_append(nullptr, fd);
1715                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1716                 g_list_free(list);
1717                 }
1718         else
1719                 {
1720                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1721                                        8, nullptr, 0);
1722                 }
1723 }
1724
1725 static void view_window_dnd_init(ViewWindow *vw)
1726 {
1727         ImageWindow *imd;
1728
1729         imd = vw->imd;
1730
1731         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1732                             dnd_file_drag_types, dnd_file_drag_types_count,
1733                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1734         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1735                          G_CALLBACK(view_window_set_dnd_data), vw);
1736
1737         gtk_drag_dest_set(imd->pr,
1738                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
1739                           dnd_file_drop_types, dnd_file_drop_types_count,
1740                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1741         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1742                          G_CALLBACK(view_window_get_dnd_data), vw);
1743 }
1744
1745 /*
1746  *-----------------------------------------------------------------------------
1747  * maintenance (for rename, move, remove)
1748  *-----------------------------------------------------------------------------
1749  */
1750
1751 static void view_real_removed(ViewWindow *vw, FileData *fd)
1752 {
1753         ImageWindow *imd;
1754         FileData *image_fd;
1755
1756         imd = view_window_active_image(vw);
1757         image_fd = image_get_fd(imd);
1758
1759         if (image_fd && image_fd == fd)
1760                 {
1761                 if (vw->list)
1762                         {
1763                         view_list_step(vw, TRUE);
1764                         if (image_get_fd(imd) == image_fd)
1765                                 {
1766                                 view_list_step(vw, FALSE);
1767                                 }
1768                         }
1769                 else if (view_window_contains_collection(vw))
1770                         {
1771                         view_collection_step(vw, TRUE);
1772                         if (image_get_fd(imd) == image_fd)
1773                                 {
1774                                 view_collection_step(vw, FALSE);
1775                                 }
1776                         }
1777                 if (image_get_fd(imd) == image_fd)
1778                         {
1779                         image_change_fd(imd, nullptr, image_zoom_get_default(imd));
1780                         }
1781                 }
1782
1783         if (vw->list)
1784                 {
1785                 GList *work;
1786                 GList *old;
1787
1788                 old = vw->list_pointer;
1789
1790                 work = vw->list;
1791                 while (work)
1792                         {
1793                         FileData *chk_fd;
1794                         GList *chk_link;
1795
1796                         chk_fd = static_cast<FileData *>(work->data);
1797                         chk_link = work;
1798                         work = work->next;
1799
1800                         if (chk_fd == fd)
1801                                 {
1802                                 if (vw->list_pointer == chk_link)
1803                                         {
1804                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1805                                         }
1806                                 vw->list = g_list_remove(vw->list, chk_fd);
1807                                 file_data_unref(chk_fd);
1808                                 }
1809                         }
1810
1811                 /* handles stepping correctly when same image is in the list more than once */
1812                 if (old && old != vw->list_pointer)
1813                         {
1814                         FileData *fd;
1815
1816                         if (vw->list_pointer)
1817                                 {
1818                                 fd = static_cast<FileData *>(vw->list_pointer->data);
1819                                 }
1820                         else
1821                                 {
1822                                 fd = nullptr;
1823                                 }
1824
1825                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1826                         }
1827                 }
1828
1829         image_osd_update(imd);
1830 }
1831
1832 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1833 {
1834         auto vw = static_cast<ViewWindow *>(data);
1835
1836         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1837
1838         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1839
1840         switch (fd->change->type)
1841                 {
1842                 case FILEDATA_CHANGE_MOVE:
1843                 case FILEDATA_CHANGE_RENAME:
1844                         break;
1845                 case FILEDATA_CHANGE_COPY:
1846                         break;
1847                 case FILEDATA_CHANGE_DELETE:
1848                         view_real_removed(vw, fd);
1849                         break;
1850                 case FILEDATA_CHANGE_UNSPECIFIED:
1851                 case FILEDATA_CHANGE_WRITE_METADATA:
1852                         break;
1853                 }
1854 }
1855 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */