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 <gdk/gdk.h>
  25 #include <glib-object.h>
  26 #include <gtk/gtk.h>
  27
  28 #include "collect-io.h"
  29 #include "collect.h"
  30 #include "compat.h"
  31 #include "debug.h"
  32 #include "dnd.h"
  33 #include "editors.h"
  34 #include "filedata.h"
  35 #include "fullscreen.h"
  36 #include "image-load.h"
  37 #include "image-overlay.h"
  38 #include "image.h"
  39 #include "intl.h"
  40 #include "layout-util.h"
  41 #include "layout.h"
  42 #include "main-defines.h"
  43 #include "main.h"
  44 #include "menu.h"
  45 #include "misc.h"
  46 #include "options.h"
  47 #include "pixbuf-util.h"
  48 #include "print.h"
  49 #include "slideshow.h"
  50 #include "typedefs.h"
  51 #include "ui-fileops.h"
  52 #include "ui-menu.h"
  53 #include "ui-utildlg.h"
  54 #include "uri-utils.h"
  55 #include "utilops.h"
  56 #include "window.h"
  57
  58 struct ViewWindow
  59 {
  60         GtkWidget *window;
  61         ImageWindow *imd;
  62         FullScreenData *fs;
  63         SlideShowData *ss;
  64
  65         GList *list;
  66         GList *list_pointer;
  67 };
  68
  69
  70 static GList *view_window_list = nullptr;
  71
  72
  73 static GtkWidget *view_popup_menu(ViewWindow *vw);
  74 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  75 static void view_overlay_toggle(ViewWindow *vw);
  76
  77 static void view_slideshow_next(ViewWindow *vw);
  78 static void view_slideshow_prev(ViewWindow *vw);
  79 static void view_slideshow_start(ViewWindow *vw);
  80 static void view_slideshow_stop(ViewWindow *vw);
  81
  82 static void view_window_close(ViewWindow *vw);
  83
  84 static void view_window_dnd_init(ViewWindow *vw);
  85
  86 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  87
  88
  89 /**
  90  * This array must be kept in sync with the contents of:\n
  91  *  @link view_popup_menu() @endlink \n
  92  *  @link view_window_key_press_cb() @endlink
  93  *
  94  * See also @link hard_coded_window_keys @endlink
  95  **/
  96 hard_coded_window_keys image_window_keys[] = {
  97         {GDK_CONTROL_MASK, 'C', N_("Copy")},
  98         {GDK_CONTROL_MASK, 'M', N_("Move")},
  99         {GDK_CONTROL_MASK, 'R', N_("Rename")},
 100         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
 101         {static_cast<GdkModifierType>(0), GDK_KEY_Delete, N_("Move to Trash")},
 102         {GDK_SHIFT_MASK, GDK_KEY_Delete, N_("Delete")},
 103         {GDK_CONTROL_MASK, 'W', N_("Close window")},
 104         {GDK_SHIFT_MASK, 'R', N_("Rotate 180°")},
 105         {GDK_SHIFT_MASK, 'M', N_("Rotate mirror")},
 106         {GDK_SHIFT_MASK, 'F', N_("Rotate flip")},
 107         {static_cast<GdkModifierType>(0), ']', N_(" Rotate counterclockwise 90°")},
 108         {static_cast<GdkModifierType>(0), '[', N_(" Rotate clockwise 90°")},
 109         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Up, N_("Previous")},
 110         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Up, N_("Previous")},
 111         {static_cast<GdkModifierType>(0), GDK_KEY_BackSpace, N_("Previous")},
 112         {static_cast<GdkModifierType>(0), 'B', N_("Previous")},
 113         {static_cast<GdkModifierType>(0), GDK_KEY_Page_Down, N_("Next")},
 114         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Page_Down, N_("Next")},
 115         {static_cast<GdkModifierType>(0), GDK_KEY_space, N_("Next")},
 116         {static_cast<GdkModifierType>(0), 'N', N_("Next")},
 117         {static_cast<GdkModifierType>(0), GDK_KEY_equal, N_("Zoom in")},
 118         {static_cast<GdkModifierType>(0), GDK_KEY_plus, N_("Zoom in")},
 119         {static_cast<GdkModifierType>(0), GDK_KEY_minus, N_("Zoom out")},
 120         {static_cast<GdkModifierType>(0), 'X', N_("Zoom to fit")},
 121         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Multiply, N_("Zoom to fit")},
 122         {static_cast<GdkModifierType>(0), 'Z', N_("Zoom 1:1")},
 123         {static_cast<GdkModifierType>(0), GDK_KEY_KP_Divide, N_("Zoom 1:1")},
 124         {static_cast<GdkModifierType>(0), GDK_KEY_1, N_("Zoom 1:1")},
 125         {static_cast<GdkModifierType>(0), '2', N_("Zoom 2:1")},
 126         {static_cast<GdkModifierType>(0), '3', N_("Zoom 3:1")},
 127         {static_cast<GdkModifierType>(0), '4', N_("Zoom 4:1")},
 128         {static_cast<GdkModifierType>(0), '7', N_("Zoom 1:4")},
 129         {static_cast<GdkModifierType>(0), '8', N_("Zoom 1:3")},
 130         {static_cast<GdkModifierType>(0), '9', N_("Zoom 1:2")},
 131         {static_cast<GdkModifierType>(0), 'W', N_("Zoom fit window width")},
 132         {static_cast<GdkModifierType>(0), 'H', N_("Zoom fit window height")},
 133         {static_cast<GdkModifierType>(0), 'S', N_("Toggle slideshow")},
 134         {static_cast<GdkModifierType>(0), 'P', N_("Pause slideshow")},
 135         {static_cast<GdkModifierType>(0), 'R', N_("Reload image")},
 136         {static_cast<GdkModifierType>(0), 'F', N_("Full screen")},
 137         {static_cast<GdkModifierType>(0), 'V', N_("Fullscreen")},
 138         {static_cast<GdkModifierType>(0), GDK_KEY_F11, N_("Fullscreen")},
 139         {static_cast<GdkModifierType>(0), 'I', N_("Image overlay")},
 140         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Exit fullscreen")},
 141         {static_cast<GdkModifierType>(0), GDK_KEY_Escape, N_("Close window")},
 142         {GDK_SHIFT_MASK, 'G', N_("Desaturate")},
 143         {GDK_SHIFT_MASK, 'P', N_("Print")},
 144         {static_cast<GdkModifierType>(0), 0, nullptr}
 145 };
 146
 147
 148 /*
 149  *-----------------------------------------------------------------------------
 150  * misc
 151  *-----------------------------------------------------------------------------
 152  */
 153
 154 static ImageWindow *view_window_active_image(ViewWindow *vw)
 155 {
 156         if (vw->fs) return vw->fs->imd;
 157
 158         return vw->imd;
 159 }
 160
 161 static void view_window_set_list(ViewWindow *vw, GList *list)
 162 {
 163
 164         filelist_free(vw->list);
 165         vw->list = nullptr;
 166         vw->list_pointer = nullptr;
 167
 168         vw->list = filelist_copy(list);
 169 }
 170
 171 static gboolean view_window_contains_collection(ViewWindow *vw)
 172 {
 173         CollectionData *cd;
 174         CollectInfo *info;
 175
 176         cd = image_get_collection(view_window_active_image(vw), &info);
 177
 178         return (cd && info);
 179 }
 180
 181 static void view_collection_step(ViewWindow *vw, gboolean next)
 182 {
 183         ImageWindow *imd = view_window_active_image(vw);
 184         CollectionData *cd;
 185         CollectInfo *info;
 186         CollectInfo *read_ahead_info = nullptr;
 187
 188         cd = image_get_collection(imd, &info);
 189
 190         if (!cd || !info) return;
 191
 192         if (next)
 193                 {
 194                 info = collection_next_by_info(cd, info);
 195                 if (options->image.enable_read_ahead)
 196                         {
 197                         read_ahead_info = collection_next_by_info(cd, info);
 198                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 199                         }
 200                 }
 201         else
 202                 {
 203                 info = collection_prev_by_info(cd, info);
 204                 if (options->image.enable_read_ahead)
 205                         {
 206                         read_ahead_info = collection_prev_by_info(cd, info);
 207                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 208                         }
 209                 }
 210
 211         if (info)
 212                 {
 213                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 214
 215                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 216                 }
 217
 218 }
 219
 220 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 221 {
 222         ImageWindow *imd = view_window_active_image(vw);
 223         CollectionData *cd;
 224         CollectInfo *info;
 225         CollectInfo *read_ahead_info = nullptr;
 226
 227         cd = image_get_collection(imd, &info);
 228
 229         if (!cd || !info) return;
 230
 231         if (last)
 232                 {
 233                 info = collection_get_last(cd);
 234                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 235                 }
 236         else
 237                 {
 238                 info = collection_get_first(cd);
 239                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 240                 }
 241
 242         if (info)
 243                 {
 244                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 245                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 246                 }
 247 }
 248
 249 static void view_list_step(ViewWindow *vw, gboolean next)
 250 {
 251         ImageWindow *imd = view_window_active_image(vw);
 252         FileData *fd;
 253         GList *work;
 254         GList *work_ahead;
 255
 256         if (!vw->list) return;
 257
 258         fd = image_get_fd(imd);
 259         if (!fd) return;
 260
 261         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 262                 {
 263                 work = vw->list_pointer;
 264                 }
 265         else
 266                 {
 267                 gboolean found = FALSE;
 268
 269                 work = vw->list;
 270                 while (work && !found)
 271                         {
 272                         FileData *temp;
 273
 274                         temp = static_cast<FileData *>(work->data);
 275
 276                         if (fd == temp)
 277                                 {
 278                                 found = TRUE;
 279                                 }
 280                         else
 281                                 {
 282                                 work = work->next;
 283                                 }
 284                         }
 285                 }
 286         if (!work) return;
 287
 288         work_ahead = nullptr;
 289         if (next)
 290                 {
 291                 work = work->next;
 292                 if (work) work_ahead = work->next;
 293                 }
 294         else
 295                 {
 296                 work = work->prev;
 297                 if (work) work_ahead = work->prev;
 298                 }
 299
 300         if (!work) return;
 301
 302         vw->list_pointer = work;
 303         fd = static_cast<FileData *>(work->data);
 304         image_change_fd(imd, fd, image_zoom_get_default(imd));
 305
 306         if (options->image.enable_read_ahead && work_ahead)
 307                 {
 308                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 309                 image_prebuffer_set(imd, next_fd);
 310                 }
 311 }
 312
 313 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 314 {
 315         ImageWindow *imd = view_window_active_image(vw);
 316         FileData *fd;
 317         GList *work;
 318         GList *work_ahead;
 319
 320         if (!vw->list) return;
 321
 322         if (last)
 323                 {
 324                 work = g_list_last(vw->list);
 325                 work_ahead = work->prev;
 326                 }
 327         else
 328                 {
 329                 work = vw->list;
 330                 work_ahead = work->next;
 331                 }
 332
 333         vw->list_pointer = work;
 334         fd = static_cast<FileData *>(work->data);
 335         image_change_fd(imd, fd, image_zoom_get_default(imd));
 336
 337         if (options->image.enable_read_ahead && work_ahead)
 338                 {
 339                 auto next_fd = static_cast<FileData *>(work_ahead->data);
 340                 image_prebuffer_set(imd, next_fd);
 341                 }
 342 }
 343
 344 static void view_step_next(ViewWindow *vw)
 345 {
 346         if (vw->ss)
 347                 {
 348                 view_slideshow_next(vw);
 349                 }
 350         else if (vw->list)
 351                 {
 352                 view_list_step(vw, TRUE);
 353                 }
 354         else
 355                 {
 356                 view_collection_step(vw, TRUE);
 357                 }
 358 }
 359
 360 static void view_step_prev(ViewWindow *vw)
 361 {
 362         if (vw->ss)
 363                 {
 364                 view_slideshow_prev(vw);
 365                 }
 366         else if (vw->list)
 367                 {
 368                 view_list_step(vw, FALSE);
 369                 }
 370         else
 371                 {
 372                 view_collection_step(vw, FALSE);
 373                 }
 374 }
 375
 376 static void view_step_to_end(ViewWindow *vw, gboolean last)
 377 {
 378         if (vw->list)
 379                 {
 380                 view_list_step_to_end(vw, last);
 381                 }
 382         else
 383                 {
 384                 view_collection_step_to_end(vw, last);
 385                 }
 386 }
 387
 388 /*
 389  *-----------------------------------------------------------------------------
 390  * view window keyboard
 391  *-----------------------------------------------------------------------------
 392  */
 393
 394 static void view_window_press_cb(GtkWidget *, GdkEventButton *bevent, gpointer data)
 395 {
 396         auto vw = static_cast<ViewWindow *>(data);
 397
 398         switch (bevent->button)
 399                 {
 400                 case MOUSE_BUTTON_LEFT:
 401                         if (bevent->type == GDK_2BUTTON_PRESS)
 402                                 {
 403                                 view_fullscreen_toggle(vw, TRUE);
 404                                 }
 405                         break;
 406                 default:
 407                         break;
 408                 }
 409 }
 410
 411 static gboolean view_window_key_press_cb(GtkWidget * (widget), GdkEventKey *event, gpointer data)
 412 {
 413         auto vw = static_cast<ViewWindow *>(data);
 414         ImageWindow *imd;
 415         gint stop_signal;
 416         GtkWidget *menu;
 417         gint x = 0;
 418         gint y = 0;
 419
 420         imd = view_window_active_image(vw);
 421
 422         stop_signal = TRUE;
 423         switch (event->keyval)
 424                 {
 425                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 426                         x -= 1;
 427                         break;
 428                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 429                         x += 1;
 430                         break;
 431                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 432                         y -= 1;
 433                         break;
 434                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 435                         y += 1;
 436                         break;
 437                 default:
 438                         stop_signal = FALSE;
 439                         break;
 440                 }
 441
 442         if (x != 0 || y!= 0)
 443                 {
 444                 if (event->state & GDK_SHIFT_MASK)
 445                         {
 446                         x *= 3;
 447                         y *= 3;
 448                         }
 449
 450                 keyboard_scroll_calc(&x, &y, event);
 451                 image_scroll(imd, x, y);
 452                 }
 453
 454         if (stop_signal) return stop_signal;
 455
 456         if (event->state & GDK_CONTROL_MASK)
 457                 {
 458                 stop_signal = TRUE;
 459                 switch (event->keyval)
 460                         {
 461                         case '1':
 462                         case '2':
 463                         case '3':
 464                         case '4':
 465                         case '5':
 466                         case '6':
 467                         case '7':
 468                         case '8':
 469                         case '9':
 470                         case '0':
 471                                 break;
 472                         case 'C': case 'c':
 473                                 file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
 474                                 break;
 475                         case 'M': case 'm':
 476                                 file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
 477                                 break;
 478                         case 'R': case 'r':
 479                                 file_util_rename(image_get_fd(imd), nullptr, imd->widget);
 480                                 break;
 481                         case 'D': case 'd':
 482                                 options->file_ops.safe_delete_enable = TRUE;
 483                                 file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 484                                 break;
 485                         case 'W': case 'w':
 486                                 view_window_close(vw);
 487                                 break;
 488                         default:
 489                                 stop_signal = FALSE;
 490                                 break;
 491                         }
 492                 }
 493         else if (event->state & GDK_SHIFT_MASK)
 494                 {
 495                 stop_signal = TRUE;
 496                 switch (event->keyval)
 497                         {
 498                         case 'R': case 'r':
 499                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 500                                 break;
 501                         case 'M': case 'm':
 502                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 503                                 break;
 504                         case 'F': case 'f':
 505                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 506                                 break;
 507                         case 'G': case 'g':
 508                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 509                                 break;
 510                         case 'P': case 'p':
 511                                 {
 512                                 FileData *fd;
 513
 514                                 view_fullscreen_toggle(vw, TRUE);
 515                                 imd = view_window_active_image(vw);
 516                                 fd = image_get_fd(imd);
 517                                 print_window_new(fd,
 518                                                  fd ? g_list_append(nullptr, file_data_ref(fd)) : nullptr,
 519                                                  filelist_copy(vw->list), vw->window);
 520                                 }
 521                                 break;
 522                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 523                                 if (options->file_ops.enable_delete_key)
 524                                         {
 525                                         options->file_ops.safe_delete_enable = FALSE;
 526                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 527                                         }
 528                                 break;
 529                         default:
 530                                 stop_signal = FALSE;
 531                                 break;
 532                         }
 533                 }
 534         else
 535                 {
 536                 stop_signal = TRUE;
 537                 switch (event->keyval)
 538                         {
 539                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 540                         case GDK_KEY_BackSpace:
 541                         case 'B': case 'b':
 542                                 view_step_prev(vw);
 543                                 break;
 544                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 545                         case GDK_KEY_space:
 546                         case 'N': case 'n':
 547                                 view_step_next(vw);
 548                                 break;
 549                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 550                                 view_step_to_end(vw, FALSE);
 551                                 break;
 552                         case GDK_KEY_End: case GDK_KEY_KP_End:
 553                                 view_step_to_end(vw, TRUE);
 554                                 break;
 555                         case '+': case '=': case GDK_KEY_KP_Add:
 556                                 image_zoom_adjust(imd, get_zoom_increment());
 557                                 break;
 558                         case '-': case GDK_KEY_KP_Subtract:
 559                                 image_zoom_adjust(imd, -get_zoom_increment());
 560                                 break;
 561                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 562                                 image_zoom_set(imd, 0.0);
 563                                 break;
 564                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 565                                 image_zoom_set(imd, 1.0);
 566                                 break;
 567                         case '2':
 568                                 image_zoom_set(imd, 2.0);
 569                                 break;
 570                         case '3':
 571                                 image_zoom_set(imd, 3.0);
 572                                 break;
 573                         case '4':
 574                                 image_zoom_set(imd, 4.0);
 575                                 break;
 576                         case '7':
 577                                 image_zoom_set(imd, -4.0);
 578                                 break;
 579                         case '8':
 580                                 image_zoom_set(imd, -3.0);
 581                                 break;
 582                         case '9':
 583                                 image_zoom_set(imd, -2.0);
 584                                 break;
 585                         case 'W': case 'w':
 586                                 image_zoom_set_fill_geometry(imd, FALSE);
 587                                 break;
 588                         case 'H': case 'h':
 589                                 image_zoom_set_fill_geometry(imd, TRUE);
 590                                 break;
 591                         case 'R': case 'r':
 592                                 image_reload(imd);
 593                                 break;
 594                         case 'S': case 's':
 595                                 if (vw->ss)
 596                                         {
 597                                         view_slideshow_stop(vw);
 598                                         }
 599                                 else
 600                                         {
 601                                         view_slideshow_start(vw);
 602                                         }
 603                                 break;
 604                         case 'P': case 'p':
 605                                 slideshow_pause_toggle(vw->ss);
 606                                 break;
 607                         case 'F': case 'f':
 608                         case 'V': case 'v':
 609                         case GDK_KEY_F11:
 610                                 view_fullscreen_toggle(vw, FALSE);
 611                                 break;
 612                         case 'I': case 'i':
 613                                 view_overlay_toggle(vw);
 614                                 break;
 615                         case ']':
 616                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 617                                 break;
 618                         case '[':
 619                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 620                                 break;
 621                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 622                                 if (options->file_ops.enable_delete_key)
 623                                         {
 624                                         options->file_ops.safe_delete_enable = TRUE;
 625                                         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
 626                                         }
 627                                 break;
 628                         case GDK_KEY_Escape:
 629                                 if (vw->fs)
 630                                         {
 631                                         view_fullscreen_toggle(vw, TRUE);
 632                                         }
 633                                 else
 634                                         {
 635                                         view_window_close(vw);
 636                                         }
 637                                 break;
 638                         case GDK_KEY_Menu:
 639                         case GDK_KEY_F10:
 640                                 menu = view_popup_menu(vw);
 641                                 gtk_menu_popup_at_widget(GTK_MENU(menu), widget, GDK_GRAVITY_CENTER, GDK_GRAVITY_CENTER, nullptr);
 642                                 break;
 643                         default:
 644                                 stop_signal = FALSE;
 645                                 break;
 646                         }
 647                 }
 648         if (!stop_signal && is_help_key(event))
 649                 {
 650                 help_window_show("GuideOtherWindowsImageWindow.html");
 651                 stop_signal = TRUE;
 652                 }
 653
 654         return stop_signal;
 655 }
 656
 657 /*
 658  *-----------------------------------------------------------------------------
 659  * view window main routines
 660  *-----------------------------------------------------------------------------
 661  */
 662 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 663 {
 664         auto vw = static_cast<ViewWindow *>(data);
 665         GtkWidget *menu;
 666         gchar *dest_dir;
 667         LayoutWindow *lw_new;
 668
 669         switch (event->button)
 670                 {
 671                 case MOUSE_BUTTON_LEFT:
 672                         if (options->image_l_click_archive && imd->image_fd->format_class == FORMAT_CLASS_ARCHIVE)
 673                                 {
 674                                 dest_dir = open_archive(imd->image_fd);
 675                                 if (dest_dir)
 676                                         {
 677                                         lw_new = layout_new_from_default();
 678                                         layout_set_path(lw_new, dest_dir);
 679                                         g_free(dest_dir);
 680                                         }
 681                                 else
 682                                         {
 683                                         warning_dialog(_("Cannot open archive file"), _("See the Log Window"), GQ_ICON_DIALOG_WARNING, nullptr);
 684                                         }
 685                                 }
 686                         else if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 687                                 {
 688                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 689                                 }
 690                         else if (options->image_lm_click_nav)
 691                                 view_step_next(vw);
 692                         break;
 693                 case MOUSE_BUTTON_MIDDLE:
 694                         if (options->image_lm_click_nav)
 695                                 view_step_prev(vw);
 696                         break;
 697                 case MOUSE_BUTTON_RIGHT:
 698                         menu = view_popup_menu(vw);
 699                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
 700                         break;
 701                 default:
 702                         break;
 703                 }
 704 }
 705
 706 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 707 {
 708         auto vw = static_cast<ViewWindow *>(data);
 709
 710         if ((event->state & GDK_CONTROL_MASK) ||
 711                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 712                 {
 713                 switch (event->direction)
 714                         {
 715                         case GDK_SCROLL_UP:
 716                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 717                                 break;
 718                         case GDK_SCROLL_DOWN:
 719                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 720                                 break;
 721                         default:
 722                                 break;
 723                         }
 724                 }
 725         else if ( (event->state & GDK_SHIFT_MASK) != static_cast<guint>(options->mousewheel_scrolls))
 726                 {
 727                 switch (event->direction)
 728                         {
 729                         case GDK_SCROLL_UP:
 730                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 731                                 break;
 732                         case GDK_SCROLL_DOWN:
 733                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 734                                 break;
 735                         case GDK_SCROLL_LEFT:
 736                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 737                                 break;
 738                         case GDK_SCROLL_RIGHT:
 739                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 740                                 break;
 741                         default:
 742                                 break;
 743                         }
 744                 }
 745         else
 746                 {
 747                 switch (event->direction)
 748                         {
 749                         case GDK_SCROLL_UP:
 750                                 view_step_prev(vw);
 751                                 break;
 752                         case GDK_SCROLL_DOWN:
 753                                 view_step_next(vw);
 754                                 break;
 755                         default:
 756                                 break;
 757                         }
 758                 }
 759 }
 760
 761 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 762 {
 763         image_set_button_func(imd, button_cb, vw);
 764         image_set_scroll_func(imd, scroll_cb, vw);
 765 }
 766
 767 static void view_fullscreen_stop_func(FullScreenData *, gpointer data)
 768 {
 769         auto vw = static_cast<ViewWindow *>(data);
 770
 771         vw->fs = nullptr;
 772
 773         if (vw->ss) vw->ss->imd = vw->imd;
 774 }
 775
 776 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 777 {
 778         if (force_off && !vw->fs) return;
 779
 780         if (vw->fs)
 781                 {
 782                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 783                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 784
 785                 fullscreen_stop(vw->fs);
 786                 }
 787         else
 788                 {
 789                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 790
 791                 view_image_set_buttons(vw, vw->fs->imd);
 792                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 793                                  G_CALLBACK(view_window_key_press_cb), vw);
 794
 795                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 796
 797                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 798                         {
 799                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 800                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 801                         }
 802                 }
 803 }
 804
 805 static void view_overlay_toggle(ViewWindow *vw)
 806 {
 807         ImageWindow *imd;
 808
 809         imd = view_window_active_image(vw);
 810
 811         image_osd_toggle(imd);
 812 }
 813
 814 static void view_slideshow_next(ViewWindow *vw)
 815 {
 816         if (vw->ss) slideshow_next(vw->ss);
 817 }
 818
 819 static void view_slideshow_prev(ViewWindow *vw)
 820 {
 821         if (vw->ss) slideshow_prev(vw->ss);
 822 }
 823
 824 static void view_slideshow_stop_func(SlideShowData *, gpointer data)
 825 {
 826         auto vw = static_cast<ViewWindow *>(data);
 827         GList *work;
 828         FileData *fd;
 829
 830         vw->ss = nullptr;
 831
 832         work = vw->list;
 833         fd = image_get_fd(view_window_active_image(vw));
 834         while (work)
 835                 {
 836                 FileData *temp;
 837
 838                 temp = static_cast<FileData *>(work->data);
 839                 if (fd == temp)
 840                         {
 841                         vw->list_pointer = work;
 842                         work = nullptr;
 843                         }
 844                 else
 845                         {
 846                         work = work->next;
 847                         }
 848                 }
 849 }
 850
 851 static void view_slideshow_start(ViewWindow *vw)
 852 {
 853         if (!vw->ss)
 854                 {
 855                 CollectionData *cd;
 856                 CollectInfo *info;
 857
 858                 if (vw->list)
 859                         {
 860                         vw->ss = slideshow_start_from_filelist(nullptr, view_window_active_image(vw),
 861                                                                 filelist_copy(vw->list),
 862                                                                 view_slideshow_stop_func, vw);
 863                         vw->list_pointer = nullptr;
 864                         return;
 865                         }
 866
 867                 cd = image_get_collection(view_window_active_image(vw), &info);
 868                 if (cd && info)
 869                         {
 870                         vw->ss = slideshow_start_from_collection(nullptr, view_window_active_image(vw), cd,
 871                                                                  view_slideshow_stop_func, vw, info);
 872                         }
 873                 }
 874 }
 875
 876 static void view_slideshow_stop(ViewWindow *vw)
 877 {
 878         if (vw->ss) slideshow_free(vw->ss);
 879 }
 880
 881 static void view_window_destroy_cb(GtkWidget *, gpointer data)
 882 {
 883         auto vw = static_cast<ViewWindow *>(data);
 884
 885         view_window_list = g_list_remove(view_window_list, vw);
 886
 887         view_slideshow_stop(vw);
 888         fullscreen_stop(vw->fs);
 889
 890         filelist_free(vw->list);
 891
 892         file_data_unregister_notify_func(view_window_notify_cb, vw);
 893
 894         g_free(vw);
 895 }
 896
 897 static void view_window_close(ViewWindow *vw)
 898 {
 899         view_slideshow_stop(vw);
 900         view_fullscreen_toggle(vw, TRUE);
 901         gq_gtk_widget_destroy(vw->window);
 902 }
 903
 904 static gboolean view_window_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
 905 {
 906         auto vw = static_cast<ViewWindow *>(data);
 907
 908         view_window_close(vw);
 909         return TRUE;
 910 }
 911
 912 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 913 {
 914         ViewWindow *vw;
 915         GtkAllocation req_size;
 916         GdkGeometry geometry;
 917         gint w;
 918         gint h;
 919
 920         if (!fd && !list && (!cd || !info)) return nullptr;
 921
 922         vw = g_new0(ViewWindow, 1);
 923
 924         vw->window = window_new("view", PIXBUF_INLINE_ICON_VIEW, nullptr, nullptr);
 925         DEBUG_NAME(vw->window);
 926
 927         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 928         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 929         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), nullptr, &geometry, GDK_HINT_MIN_SIZE);
 930
 931         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 932         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 933
 934         vw->imd = image_new(FALSE);
 935         image_color_profile_set(vw->imd,
 936                                 options->color_profile.input_type,
 937                                 options->color_profile.use_image);
 938         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 939
 940         image_background_set_color_from_options(vw->imd, FALSE);
 941
 942         image_attach_window(vw->imd, vw->window, nullptr, GQ_APPNAME, TRUE);
 943
 944         image_auto_refresh_enable(vw->imd, TRUE);
 945         image_top_window_set_sync(vw->imd, TRUE);
 946
 947         gq_gtk_container_add(GTK_WIDGET(vw->window), vw->imd->widget);
 948         gtk_widget_show(vw->imd->widget);
 949
 950         view_window_dnd_init(vw);
 951
 952         view_image_set_buttons(vw, vw->imd);
 953
 954         g_signal_connect(G_OBJECT(vw->window), "destroy",
 955                          G_CALLBACK(view_window_destroy_cb), vw);
 956         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 957                          G_CALLBACK(view_window_delete_cb), vw);
 958         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 959                          G_CALLBACK(view_window_key_press_cb), vw);
 960         g_signal_connect(G_OBJECT(vw->window), "button_press_event",
 961                          G_CALLBACK(view_window_press_cb), vw);
 962
 963         if (cd && info)
 964                 {
 965                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(nullptr));
 966                 /* Grab the fd so we can correctly size the window in
 967                    the call to image_load_dimensions() below. */
 968                 fd = info->fd;
 969                 if (options->image.enable_read_ahead)
 970                         {
 971                         CollectInfo * r_info = collection_next_by_info(cd, info);
 972                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 973                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 974                         }
 975                 }
 976         else if (list)
 977                 {
 978                 view_window_set_list(vw, list);
 979                 vw->list_pointer = vw->list;
 980                 image_change_fd(vw->imd, static_cast<FileData *>(vw->list->data), image_zoom_get_default(nullptr));
 981                 /* Set fd to first in list */
 982                 fd = static_cast<FileData *>(vw->list->data);
 983
 984                 if (options->image.enable_read_ahead)
 985                         {
 986                         GList *work = vw->list->next;
 987                         if (work) image_prebuffer_set(vw->imd, static_cast<FileData *>(work->data));
 988                         }
 989                 }
 990         else
 991                 {
 992                 image_change_fd(vw->imd, fd, image_zoom_get_default(nullptr));
 993                 }
 994
 995         /* Wait until image is loaded otherwise size is not defined */
 996         image_load_dimensions(fd, &w, &h);
 997
 998         if (options->image.limit_window_size)
 999                 {
1000                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
1001                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
1002
1003                 if (w > mw) w = mw;
1004                 if (h > mh) h = mh;
1005                 }
1006
1007         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
1008         req_size.x = req_size.y = 0;
1009         req_size.width = w;
1010         req_size.height = h;
1011         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
1012
1013         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
1014         gtk_widget_show(vw->window);
1015
1016         view_window_list = g_list_append(view_window_list, vw);
1017
1018         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
1019
1020         /** @FIXME This is a hack to fix #965 View in new window - blank image
1021          * The problem occurs when zoom is set to Original Size and Preload
1022          * Next Image is set.
1023          * An extra reload is required to force the image to be displayed.
1024          * See also layout-image.cc layout_image_full_screen_start()
1025          * This is probably not the correct solution.
1026          **/
1027         image_reload(vw->imd);
1028
1029         return vw;
1030 }
1031
1032 static void view_window_collection_unref_cb(GtkWidget *, gpointer data)
1033 {
1034         auto cd = static_cast<CollectionData *>(data);
1035
1036         collection_unref(cd);
1037 }
1038
1039 void view_window_new(FileData *fd)
1040 {
1041         GList *list;
1042
1043         if (fd)
1044                 {
1045                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
1046                         {
1047                         ViewWindow *vw;
1048                         CollectionData *cd;
1049                         CollectInfo *info;
1050
1051                         cd = collection_new(fd->path);
1052                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
1053                                 {
1054                                 info = collection_get_first(cd);
1055                                 }
1056                         else
1057                                 {
1058                                 collection_unref(cd);
1059                                 cd = nullptr;
1060                                 info = nullptr;
1061                                 }
1062                         vw = real_view_window_new(nullptr, nullptr, cd, info);
1063                         if (vw && cd)
1064                                 {
1065                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
1066                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
1067                                 }
1068                         }
1069                 else if (isdir(fd->path) && filelist_read(fd, &list, nullptr))
1070                         {
1071                         list = filelist_sort_path(list);
1072                         list = filelist_filter(list, FALSE);
1073                         real_view_window_new(nullptr, list, nullptr, nullptr);
1074                         filelist_free(list);
1075                         }
1076                 else
1077                         {
1078                         real_view_window_new(fd, nullptr, nullptr, nullptr);
1079                         }
1080                 }
1081 }
1082
1083 void view_window_new_from_list(GList *list)
1084 {
1085         real_view_window_new(nullptr, list, nullptr, nullptr);
1086 }
1087
1088 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
1089 {
1090         real_view_window_new(nullptr, nullptr, cd, info);
1091 }
1092
1093 /*
1094  *-----------------------------------------------------------------------------
1095  * public
1096  *-----------------------------------------------------------------------------
1097  */
1098
1099 void view_window_colors_update()
1100 {
1101         GList *work;
1102
1103         work = view_window_list;
1104         while (work)
1105                 {
1106                 auto vw = static_cast<ViewWindow *>(work->data);
1107                 work = work->next;
1108
1109                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1110                 }
1111 }
1112
1113 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1114 {
1115         GList *work;
1116
1117         work = view_window_list;
1118         while (work)
1119                 {
1120                 auto vw = static_cast<ViewWindow *>(work->data);
1121                 work = work->next;
1122
1123                 if (vw->imd == imd ||
1124                     (vw->fs && vw->fs->imd == imd))
1125                         {
1126                         if (vw->ss)
1127                                 {
1128                                 gint n;
1129                                 gint t;
1130
1131                                 n = g_list_length(vw->ss->list_done);
1132                                 t = n + g_list_length(vw->ss->list);
1133                                 if (n == 0) n = t;
1134                                 if (index) *index = n - 1;
1135                                 if (total) *total = t;
1136                                 }
1137                         else
1138                                 {
1139                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1140                                 if (total) *total = g_list_length(vw->list);
1141                                 }
1142                         return TRUE;
1143                         }
1144                 }
1145
1146         return FALSE;
1147 }
1148
1149 /*
1150  *-----------------------------------------------------------------------------
1151  * view window menu routines and callbacks
1152  *-----------------------------------------------------------------------------
1153  */
1154
1155 static void view_new_window_cb(GtkWidget *, gpointer data)
1156 {
1157         auto vw = static_cast<ViewWindow *>(data);
1158         CollectionData *cd;
1159         CollectInfo *info;
1160
1161         cd = image_get_collection(vw->imd, &info);
1162
1163         if (cd && info)
1164                 {
1165                 view_window_new_from_collection(cd, info);
1166                 }
1167         else
1168                 {
1169                 view_window_new(image_get_fd(vw->imd));
1170                 }
1171 }
1172
1173 static void view_edit_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw;
1176         ImageWindow *imd;
1177         auto key = static_cast<const gchar *>(data);
1178
1179         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1180         if (!vw) return;
1181
1182         if (!editor_window_flag_set(key))
1183                 {
1184                 view_fullscreen_toggle(vw, TRUE);
1185                 }
1186
1187         imd = view_window_active_image(vw);
1188         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1189 }
1190
1191 static void view_alter_cb(GtkWidget *widget, gpointer data)
1192 {
1193         ViewWindow *vw;
1194         AlterType type;
1195
1196         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1197         type = static_cast<AlterType>(GPOINTER_TO_INT(data));
1198
1199         if (!vw) return;
1200         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1201 }
1202
1203 static void view_zoom_in_cb(GtkWidget *, gpointer data)
1204 {
1205         auto vw = static_cast<ViewWindow *>(data);
1206
1207         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1208 }
1209
1210 static void view_zoom_out_cb(GtkWidget *, gpointer data)
1211 {
1212         auto vw = static_cast<ViewWindow *>(data);
1213
1214         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1215 }
1216
1217 static void view_zoom_1_1_cb(GtkWidget *, gpointer data)
1218 {
1219         auto vw = static_cast<ViewWindow *>(data);
1220
1221         image_zoom_set(view_window_active_image(vw), 1.0);
1222 }
1223
1224 static void view_zoom_fit_cb(GtkWidget *, gpointer data)
1225 {
1226         auto vw = static_cast<ViewWindow *>(data);
1227
1228         image_zoom_set(view_window_active_image(vw), 0.0);
1229 }
1230
1231 static void view_copy_cb(GtkWidget *, gpointer data)
1232 {
1233         auto vw = static_cast<ViewWindow *>(data);
1234         ImageWindow *imd;
1235
1236         imd = view_window_active_image(vw);
1237         file_util_copy(image_get_fd(imd), nullptr, nullptr, imd->widget);
1238 }
1239
1240 static void view_move_cb(GtkWidget *, gpointer data)
1241 {
1242         auto vw = static_cast<ViewWindow *>(data);
1243         ImageWindow *imd;
1244
1245         imd = view_window_active_image(vw);
1246         file_util_move(image_get_fd(imd), nullptr, nullptr, imd->widget);
1247 }
1248
1249 static void view_rename_cb(GtkWidget *, gpointer data)
1250 {
1251         auto vw = static_cast<ViewWindow *>(data);
1252         ImageWindow *imd;
1253
1254         imd = view_window_active_image(vw);
1255         file_util_rename(image_get_fd(imd), nullptr, imd->widget);
1256 }
1257
1258 static void view_delete_cb(GtkWidget *, gpointer data)
1259 {
1260         auto vw = static_cast<ViewWindow *>(data);
1261         ImageWindow *imd;
1262
1263         imd = view_window_active_image(vw);
1264         options->file_ops.safe_delete_enable = FALSE;
1265         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1266 }
1267
1268 static void view_move_to_trash_cb(GtkWidget *, gpointer data)
1269 {
1270         auto vw = static_cast<ViewWindow *>(data);
1271         ImageWindow *imd;
1272
1273         imd = view_window_active_image(vw);
1274         options->file_ops.safe_delete_enable = TRUE;
1275         file_util_delete(image_get_fd(imd), nullptr, imd->widget);
1276 }
1277
1278 static void view_copy_path_cb(GtkWidget *, gpointer data)
1279 {
1280         auto vw = static_cast<ViewWindow *>(data);
1281         ImageWindow *imd;
1282
1283         imd = view_window_active_image(vw);
1284         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1285 }
1286
1287 static void view_copy_path_unquoted_cb(GtkWidget *, gpointer data)
1288 {
1289         auto vw = static_cast<ViewWindow *>(data);
1290         ImageWindow *imd;
1291
1292         imd = view_window_active_image(vw);
1293         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1294 }
1295
1296 static void view_fullscreen_cb(GtkWidget *, gpointer data)
1297 {
1298         auto vw = static_cast<ViewWindow *>(data);
1299
1300         view_fullscreen_toggle(vw, FALSE);
1301 }
1302
1303 static void view_slideshow_start_cb(GtkWidget *, gpointer data)
1304 {
1305         auto vw = static_cast<ViewWindow *>(data);
1306
1307         view_slideshow_start(vw);
1308 }
1309
1310 static void view_slideshow_stop_cb(GtkWidget *, gpointer data)
1311 {
1312         auto vw = static_cast<ViewWindow *>(data);
1313
1314         view_slideshow_stop(vw);
1315 }
1316
1317 static void view_slideshow_pause_cb(GtkWidget *, gpointer data)
1318 {
1319         auto vw = static_cast<ViewWindow *>(data);
1320
1321         slideshow_pause_toggle(vw->ss);
1322 }
1323
1324 static void view_close_cb(GtkWidget *, gpointer data)
1325 {
1326         auto vw = static_cast<ViewWindow *>(data);
1327
1328         view_window_close(vw);
1329 }
1330
1331 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1332 {
1333         LayoutWindow *nw;
1334
1335         nw = layout_new(nullptr, nullptr);
1336         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);
1337         layout_set_fd(nw, fd);
1338         return nw;
1339 }
1340
1341
1342 static void view_set_layout_path_cb(GtkWidget *, gpointer data)
1343 {
1344         auto vw = static_cast<ViewWindow *>(data);
1345         LayoutWindow *lw;
1346         ImageWindow *imd;
1347
1348         imd = view_window_active_image(vw);
1349
1350         if (!imd || !imd->image_fd) return;
1351
1352         lw = layout_find_by_image_fd(imd);
1353         if (lw)
1354                 layout_set_fd(lw, imd->image_fd);
1355         else
1356                 view_new_layout_with_fd(imd->image_fd);
1357         view_window_close(vw);
1358 }
1359
1360 static void view_popup_menu_destroy_cb(GtkWidget *, gpointer data)
1361 {
1362         auto editmenu_fd_list = static_cast<GList *>(data);
1363
1364         filelist_free(editmenu_fd_list);
1365 }
1366
1367 static GList *view_window_get_fd_list(ViewWindow *vw)
1368 {
1369         GList *list = nullptr;
1370         ImageWindow *imd = view_window_active_image(vw);
1371
1372         if (imd)
1373                 {
1374                 FileData *fd = image_get_fd(imd);
1375                 if (fd) list = g_list_append(nullptr, file_data_ref(fd));
1376                 }
1377
1378         return list;
1379 }
1380
1381 /**
1382  * @brief Add file selection list to a collection
1383  * @param[in] widget
1384  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1385  *
1386  *
1387  */
1388 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1389 {
1390         ViewWindow *vw;
1391         ImageWindow *imd;
1392         FileData *fd;
1393         GList *selection_list = nullptr;
1394
1395         vw = static_cast<ViewWindow *>(submenu_item_get_data(widget));
1396         imd = view_window_active_image(vw);
1397         fd = image_get_fd(imd);
1398         selection_list = g_list_append(selection_list, fd);
1399         pop_menu_collections(selection_list, data);
1400
1401         filelist_free(selection_list);
1402 }
1403
1404 static GtkWidget *view_popup_menu(ViewWindow *vw)
1405 {
1406         GtkWidget *menu;
1407         GtkWidget *item;
1408         GList *editmenu_fd_list;
1409         GtkAccelGroup *accel_group;
1410
1411         menu = popup_menu_short_lived();
1412
1413         accel_group = gtk_accel_group_new();
1414         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
1415
1416         g_object_set_data(G_OBJECT(menu), "window_keys", image_window_keys);
1417         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
1418
1419         menu_item_add_icon(menu, _("Zoom _in"), GQ_ICON_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1420         menu_item_add_icon(menu, _("Zoom _out"), GQ_ICON_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1421         menu_item_add_icon(menu, _("Zoom _1:1"), GQ_ICON_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1422         menu_item_add_icon(menu, _("Zoom to fit"), GQ_ICON_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1423         menu_item_add_divider(menu);
1424
1425         editmenu_fd_list = view_window_get_fd_list(vw);
1426         g_signal_connect(G_OBJECT(menu), "destroy",
1427                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1428         item = submenu_add_edit(menu, nullptr, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1429         menu_item_add_divider(item);
1430
1431         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1432
1433         menu_item_add_icon(menu, _("View in _new window"), GQ_ICON_NEW, G_CALLBACK(view_new_window_cb), vw);
1434         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1435
1436         menu_item_add_divider(menu);
1437         menu_item_add_icon(menu, _("_Copy..."), GQ_ICON_COPY, G_CALLBACK(view_copy_cb), vw);
1438         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1439         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1440         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1441         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1442
1443         menu_item_add_divider(menu);
1444         menu_item_add_icon(menu,
1445                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1446                                         _("Move to Trash"), GQ_ICON_DELETE,
1447                                 G_CALLBACK(view_move_to_trash_cb), vw);
1448         menu_item_add_icon(menu,
1449                                 options->file_ops.confirm_delete ? _("_Delete...") :
1450                                         _("_Delete"), GQ_ICON_DELETE_SHRED,
1451                                 G_CALLBACK(view_delete_cb), vw);
1452
1453         menu_item_add_divider(menu);
1454
1455         submenu_add_collections(menu, &item,
1456                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1457         gtk_widget_set_sensitive(item, TRUE);
1458         menu_item_add_divider(menu);
1459
1460         if (vw->ss)
1461                 {
1462                 menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1463                 if (slideshow_paused(vw->ss))
1464                         {
1465                         item = menu_item_add(menu, _("Continue slides_how"),
1466                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1467                         }
1468                 else
1469                         {
1470                         item = menu_item_add(menu, _("Pause slides_how"),
1471                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1472                         }
1473                 }
1474         else
1475                 {
1476                 item = menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1477                 gtk_widget_set_sensitive(item, (vw->list != nullptr) || view_window_contains_collection(vw));
1478                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1479                 gtk_widget_set_sensitive(item, FALSE);
1480                 }
1481
1482         if (vw->fs)
1483                 {
1484                 menu_item_add_icon(menu, _("Exit _full screen"), GQ_ICON_LEAVE_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1485                 }
1486         else
1487                 {
1488                 menu_item_add_icon(menu, _("_Full screen"), GQ_ICON_FULLSCREEN, G_CALLBACK(view_fullscreen_cb), vw);
1489                 }
1490
1491         menu_item_add_divider(menu);
1492         menu_item_add_icon(menu, _("C_lose window"), GQ_ICON_CLOSE, G_CALLBACK(view_close_cb), vw);
1493
1494         return menu;
1495 }
1496
1497 /*
1498  *-------------------------------------------------------------------
1499  * dnd confirm dir
1500  *-------------------------------------------------------------------
1501  */
1502
1503 struct CViewConfirmD {
1504         ViewWindow *vw;
1505         GList *list;
1506 };
1507
1508 static void view_dir_list_cancel(GtkWidget *, gpointer)
1509 {
1510         /* do nothing */
1511 }
1512
1513 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1514 {
1515         GList *work;
1516
1517         view_window_set_list(vw, nullptr);
1518
1519         work = list;
1520         while (work)
1521                 {
1522                 auto fd = static_cast<FileData *>(work->data);
1523                 work = work->next;
1524
1525                 if (isdir(fd->path))
1526                         {
1527                         if (!skip)
1528                                 {
1529                                 GList *list = nullptr;
1530
1531                                 if (recurse)
1532                                         {
1533                                         list = filelist_recursive(fd);
1534                                         }
1535                                 else
1536                                         { /** @FIXME ?? */
1537                                         filelist_read(fd, &list, nullptr);
1538                                         list = filelist_sort_path(list);
1539                                         list = filelist_filter(list, FALSE);
1540                                         }
1541                                 if (list) vw->list = g_list_concat(vw->list, list);
1542                                 }
1543                         }
1544                 else
1545                         {
1546                         /** @FIXME no filtering here */
1547                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1548                         }
1549                 }
1550
1551         if (vw->list)
1552                 {
1553                 FileData *fd;
1554
1555                 vw->list_pointer = vw->list;
1556                 fd = static_cast<FileData *>(vw->list->data);
1557                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1558
1559                 work = vw->list->next;
1560                 if (options->image.enable_read_ahead && work)
1561                         {
1562                         fd = static_cast<FileData *>(work->data);
1563                         image_prebuffer_set(vw->imd, fd);
1564                         }
1565                 }
1566         else
1567                 {
1568                 image_change_fd(vw->imd, nullptr, image_zoom_get_default(vw->imd));
1569                 }
1570 }
1571
1572 static void view_dir_list_add(GtkWidget *, gpointer data)
1573 {
1574         auto d = static_cast<CViewConfirmD *>(data);
1575         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1576 }
1577
1578 static void view_dir_list_recurse(GtkWidget *, gpointer data)
1579 {
1580         auto d = static_cast<CViewConfirmD *>(data);
1581         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1582 }
1583
1584 static void view_dir_list_skip(GtkWidget *, gpointer data)
1585 {
1586         auto d = static_cast<CViewConfirmD *>(data);
1587         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1588 }
1589
1590 static void view_dir_list_destroy(GtkWidget *, gpointer data)
1591 {
1592         auto d = static_cast<CViewConfirmD *>(data);
1593         filelist_free(d->list);
1594         g_free(d);
1595 }
1596
1597 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1598 {
1599         GtkWidget *menu;
1600         CViewConfirmD *d;
1601
1602         d = g_new(CViewConfirmD, 1);
1603         d->vw = vw;
1604         d->list = list;
1605
1606         menu = popup_menu_short_lived();
1607         g_signal_connect(G_OBJECT(menu), "destroy",
1608                          G_CALLBACK(view_dir_list_destroy), d);
1609
1610         menu_item_add_stock(menu, _("Dropped list includes folders."), GQ_ICON_DND, nullptr, nullptr);
1611         menu_item_add_divider(menu);
1612         menu_item_add_icon(menu, _("_Add contents"), GQ_ICON_OK, G_CALLBACK(view_dir_list_add), d);
1613         menu_item_add_icon(menu, _("Add contents _recursive"), GQ_ICON_ADD, G_CALLBACK(view_dir_list_recurse), d);
1614         menu_item_add_icon(menu, _("_Skip folders"), GQ_ICON_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1615         menu_item_add_divider(menu);
1616         menu_item_add_icon(menu, _("Cancel"), GQ_ICON_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1617
1618         return menu;
1619 }
1620
1621 /*
1622  *-----------------------------------------------------------------------------
1623  * image drag and drop routines
1624  *-----------------------------------------------------------------------------
1625  */
1626
1627 static void view_window_get_dnd_data(GtkWidget *, GdkDragContext *context,
1628                                      gint, gint,
1629                                      GtkSelectionData *selection_data, guint info,
1630                                      guint, gpointer data)
1631 {
1632         auto vw = static_cast<ViewWindow *>(data);
1633         ImageWindow *imd;
1634
1635         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1636
1637         imd = vw->imd;
1638
1639         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1640                 {
1641                 CollectionData *source;
1642                 GList *list;
1643                 GList *info_list;
1644
1645                 if (info == TARGET_URI_LIST)
1646                         {
1647                         GList *work;
1648
1649                         list = uri_filelist_from_gtk_selection_data(selection_data);
1650
1651                         work = list;
1652                         while (work)
1653                                 {
1654                                 auto fd = static_cast<FileData *>(work->data);
1655                                 if (isdir(fd->path))
1656                                         {
1657                                         GtkWidget *menu;
1658                                         menu = view_confirm_dir_list(vw, list);
1659                                         gtk_menu_popup_at_pointer(GTK_MENU(menu), nullptr);
1660                                         return;
1661                                         }
1662                                 work = work->next;
1663                                 }
1664
1665                         list = filelist_filter(list, FALSE);
1666
1667                         source = nullptr;
1668                         info_list = nullptr;
1669                         }
1670                 else
1671                         {
1672                         source = collection_from_dnd_data(reinterpret_cast<const gchar *>(gtk_selection_data_get_data(selection_data)), &list, &info_list);
1673                         }
1674
1675                 if (list)
1676                         {
1677                         FileData *fd;
1678
1679                         fd = static_cast<FileData *>(list->data);
1680                         if (isfile(fd->path))
1681                                 {
1682                                 view_slideshow_stop(vw);
1683                                 view_window_set_list(vw, nullptr);
1684
1685                                 if (source && info_list)
1686                                         {
1687                                         image_change_from_collection(imd, source, static_cast<CollectInfo *>(info_list->data), image_zoom_get_default(imd));
1688                                         }
1689                                 else
1690                                         {
1691                                         if (list->next)
1692                                                 {
1693                                                 vw->list = list;
1694                                                 list = nullptr;
1695
1696                                                 vw->list_pointer = vw->list;
1697                                                 }
1698                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1699                                         }
1700                                 }
1701                         }
1702                 filelist_free(list);
1703                 g_list_free(info_list);
1704                 }
1705 }
1706
1707 static void view_window_set_dnd_data(GtkWidget *, GdkDragContext *,
1708                                      GtkSelectionData *selection_data, guint,
1709                                      guint, gpointer data)
1710 {
1711         auto vw = static_cast<ViewWindow *>(data);
1712         FileData *fd;
1713
1714         fd = image_get_fd(vw->imd);
1715
1716         if (fd)
1717                 {
1718                 GList *list;
1719
1720                 list = g_list_append(nullptr, fd);
1721                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1722                 g_list_free(list);
1723                 }
1724         else
1725                 {
1726                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1727                                        8, nullptr, 0);
1728                 }
1729 }
1730
1731 static void view_window_dnd_init(ViewWindow *vw)
1732 {
1733         ImageWindow *imd;
1734
1735         imd = vw->imd;
1736
1737         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1738                             dnd_file_drag_types, dnd_file_drag_types_count,
1739                             static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1740         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1741                          G_CALLBACK(view_window_set_dnd_data), vw);
1742
1743         gtk_drag_dest_set(imd->pr,
1744                           static_cast<GtkDestDefaults>(GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP),
1745                           dnd_file_drop_types, dnd_file_drop_types_count,
1746                           static_cast<GdkDragAction>(GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK));
1747         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1748                          G_CALLBACK(view_window_get_dnd_data), vw);
1749 }
1750
1751 /*
1752  *-----------------------------------------------------------------------------
1753  * maintenance (for rename, move, remove)
1754  *-----------------------------------------------------------------------------
1755  */
1756
1757 static void view_real_removed(ViewWindow *vw, FileData *fd)
1758 {
1759         ImageWindow *imd;
1760         FileData *image_fd;
1761
1762         imd = view_window_active_image(vw);
1763         image_fd = image_get_fd(imd);
1764
1765         if (image_fd && image_fd == fd)
1766                 {
1767                 if (vw->list)
1768                         {
1769                         view_list_step(vw, TRUE);
1770                         if (image_get_fd(imd) == image_fd)
1771                                 {
1772                                 view_list_step(vw, FALSE);
1773                                 }
1774                         }
1775                 else if (view_window_contains_collection(vw))
1776                         {
1777                         view_collection_step(vw, TRUE);
1778                         if (image_get_fd(imd) == image_fd)
1779                                 {
1780                                 view_collection_step(vw, FALSE);
1781                                 }
1782                         }
1783                 if (image_get_fd(imd) == image_fd)
1784                         {
1785                         image_change_fd(imd, nullptr, image_zoom_get_default(imd));
1786                         }
1787                 }
1788
1789         if (vw->list)
1790                 {
1791                 GList *work;
1792                 GList *old;
1793
1794                 old = vw->list_pointer;
1795
1796                 work = vw->list;
1797                 while (work)
1798                         {
1799                         FileData *chk_fd;
1800                         GList *chk_link;
1801
1802                         chk_fd = static_cast<FileData *>(work->data);
1803                         chk_link = work;
1804                         work = work->next;
1805
1806                         if (chk_fd == fd)
1807                                 {
1808                                 if (vw->list_pointer == chk_link)
1809                                         {
1810                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1811                                         }
1812                                 vw->list = g_list_remove(vw->list, chk_fd);
1813                                 file_data_unref(chk_fd);
1814                                 }
1815                         }
1816
1817                 /* handles stepping correctly when same image is in the list more than once */
1818                 if (old && old != vw->list_pointer)
1819                         {
1820                         FileData *fd;
1821
1822                         if (vw->list_pointer)
1823                                 {
1824                                 fd = static_cast<FileData *>(vw->list_pointer->data);
1825                                 }
1826                         else
1827                                 {
1828                                 fd = nullptr;
1829                                 }
1830
1831                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1832                         }
1833                 }
1834
1835         image_osd_update(imd);
1836 }
1837
1838 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1839 {
1840         auto vw = static_cast<ViewWindow *>(data);
1841
1842         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1843
1844         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1845
1846         switch (fd->change->type)
1847                 {
1848                 case FILEDATA_CHANGE_MOVE:
1849                 case FILEDATA_CHANGE_RENAME:
1850                         break;
1851                 case FILEDATA_CHANGE_COPY:
1852                         break;
1853                 case FILEDATA_CHANGE_DELETE:
1854                         view_real_removed(vw, fd);
1855                         break;
1856                 case FILEDATA_CHANGE_UNSPECIFIED:
1857                 case FILEDATA_CHANGE_WRITE_METADATA:
1858                         break;
1859                 }
1860 }
1861 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */