src/img-view.c

   1 /*
   2  * Copyright (C) 2006 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "main.h"
  23 #include "img-view.h"
  24
  25 #include "collect.h"
  26 #include "collect-io.h"
  27 #include "dnd.h"
  28 #include "editors.h"
  29 #include "filedata.h"
  30 #include "fullscreen.h"
  31 #include "image.h"
  32 #include "image-load.h"
  33 #include "image-overlay.h"
  34 #include "layout.h"
  35 #include "layout_image.h"
  36 #include "layout_util.h"
  37 #include "menu.h"
  38 #include "misc.h"
  39 #include "pixbuf_util.h"
  40 #include "pixbuf-renderer.h"
  41 #include "print.h"
  42 #include "slideshow.h"
  43 #include "ui_fileops.h"
  44 #include "ui_menu.h"
  45 #include "uri_utils.h"
  46 #include "utilops.h"
  47 #include "window.h"
  48
  49 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  50
  51
  52 typedef struct _ViewWindow ViewWindow;
  53 struct _ViewWindow
  54 {
  55         GtkWidget *window;
  56         ImageWindow *imd;
  57         FullScreenData *fs;
  58         SlideShowData *ss;
  59
  60         GList *list;
  61         GList *list_pointer;
  62 };
  63
  64
  65 static GList *view_window_list = NULL;
  66
  67
  68 static GtkWidget *view_popup_menu(ViewWindow *vw);
  69 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  70 static void view_overlay_toggle(ViewWindow *vw);
  71
  72 static void view_slideshow_next(ViewWindow *vw);
  73 static void view_slideshow_prev(ViewWindow *vw);
  74 static void view_slideshow_start(ViewWindow *vw);
  75 static void view_slideshow_stop(ViewWindow *vw);
  76
  77 static void view_window_close(ViewWindow *vw);
  78
  79 static void view_window_dnd_init(ViewWindow *vw);
  80
  81 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  82
  83 /*
  84  *-----------------------------------------------------------------------------
  85  * misc
  86  *-----------------------------------------------------------------------------
  87  */
  88
  89 static ImageWindow *view_window_active_image(ViewWindow *vw)
  90 {
  91         if (vw->fs) return vw->fs->imd;
  92
  93         return vw->imd;
  94 }
  95
  96 static void view_window_set_list(ViewWindow *vw, GList *list)
  97 {
  98
  99         filelist_free(vw->list);
 100         vw->list = NULL;
 101         vw->list_pointer = NULL;
 102
 103         vw->list = filelist_copy(list);
 104 }
 105
 106 static gboolean view_window_contains_collection(ViewWindow *vw)
 107 {
 108         CollectionData *cd;
 109         CollectInfo *info;
 110
 111         cd = image_get_collection(view_window_active_image(vw), &info);
 112
 113         return (cd && info);
 114 }
 115
 116 static void view_collection_step(ViewWindow *vw, gboolean next)
 117 {
 118         ImageWindow *imd = view_window_active_image(vw);
 119         CollectionData *cd;
 120         CollectInfo *info;
 121         CollectInfo *read_ahead_info = NULL;
 122
 123         cd = image_get_collection(imd, &info);
 124
 125         if (!cd || !info) return;
 126
 127         if (next)
 128                 {
 129                 info = collection_next_by_info(cd, info);
 130                 if (options->image.enable_read_ahead)
 131                         {
 132                         read_ahead_info = collection_next_by_info(cd, info);
 133                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 134                         }
 135                 }
 136         else
 137                 {
 138                 info = collection_prev_by_info(cd, info);
 139                 if (options->image.enable_read_ahead)
 140                         {
 141                         read_ahead_info = collection_prev_by_info(cd, info);
 142                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 143                         }
 144                 }
 145
 146         if (info)
 147                 {
 148                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 149
 150                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 151                 }
 152
 153 }
 154
 155 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 156 {
 157         ImageWindow *imd = view_window_active_image(vw);
 158         CollectionData *cd;
 159         CollectInfo *info;
 160         CollectInfo *read_ahead_info = NULL;
 161
 162         cd = image_get_collection(imd, &info);
 163
 164         if (!cd || !info) return;
 165
 166         if (last)
 167                 {
 168                 info = collection_get_last(cd);
 169                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 170                 }
 171         else
 172                 {
 173                 info = collection_get_first(cd);
 174                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 175                 }
 176
 177         if (info)
 178                 {
 179                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 180                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 181                 }
 182 }
 183
 184 static void view_list_step(ViewWindow *vw, gboolean next)
 185 {
 186         ImageWindow *imd = view_window_active_image(vw);
 187         FileData *fd;
 188         GList *work;
 189         GList *work_ahead;
 190
 191         if (!vw->list) return;
 192
 193         fd = image_get_fd(imd);
 194         if (!fd) return;
 195
 196         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 197                 {
 198                 work = vw->list_pointer;
 199                 }
 200         else
 201                 {
 202                 gboolean found = FALSE;
 203
 204                 work = vw->list;
 205                 while (work && !found)
 206                         {
 207                         FileData *temp;
 208
 209                         temp = work->data;
 210
 211                         if (fd == temp)
 212                                 {
 213                                 found = TRUE;
 214                                 }
 215                         else
 216                                 {
 217                                 work = work->next;
 218                                 }
 219                         }
 220                 }
 221         if (!work) return;
 222
 223         work_ahead = NULL;
 224         if (next)
 225                 {
 226                 work = work->next;
 227                 if (work) work_ahead = work->next;
 228                 }
 229         else
 230                 {
 231                 work = work->prev;
 232                 if (work) work_ahead = work->prev;
 233                 }
 234
 235         if (!work) return;
 236
 237         vw->list_pointer = work;
 238         fd = work->data;
 239         image_change_fd(imd, fd, image_zoom_get_default(imd));
 240
 241         if (options->image.enable_read_ahead && work_ahead)
 242                 {
 243                 FileData *next_fd = work_ahead->data;
 244                 image_prebuffer_set(imd, next_fd);
 245                 }
 246 }
 247
 248 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 249 {
 250         ImageWindow *imd = view_window_active_image(vw);
 251         FileData *fd;
 252         GList *work;
 253         GList *work_ahead;
 254
 255         if (!vw->list) return;
 256
 257         if (last)
 258                 {
 259                 work = g_list_last(vw->list);
 260                 work_ahead = work->prev;
 261                 }
 262         else
 263                 {
 264                 work = vw->list;
 265                 work_ahead = work->next;
 266                 }
 267
 268         vw->list_pointer = work;
 269         fd = work->data;
 270         image_change_fd(imd, fd, image_zoom_get_default(imd));
 271
 272         if (options->image.enable_read_ahead && work_ahead)
 273                 {
 274                 FileData *next_fd = work_ahead->data;
 275                 image_prebuffer_set(imd, next_fd);
 276                 }
 277 }
 278
 279 static void view_step_next(ViewWindow *vw)
 280 {
 281         if (vw->ss)
 282                 {
 283                 view_slideshow_next(vw);
 284                 }
 285         else if (vw->list)
 286                 {
 287                 view_list_step(vw, TRUE);
 288                 }
 289         else
 290                 {
 291                 view_collection_step(vw, TRUE);
 292                 }
 293 }
 294
 295 static void view_step_prev(ViewWindow *vw)
 296 {
 297         if (vw->ss)
 298                 {
 299                 view_slideshow_prev(vw);
 300                 }
 301         else if (vw->list)
 302                 {
 303                 view_list_step(vw, FALSE);
 304                 }
 305         else
 306                 {
 307                 view_collection_step(vw, FALSE);
 308                 }
 309 }
 310
 311 static void view_step_to_end(ViewWindow *vw, gboolean last)
 312 {
 313         if (vw->list)
 314                 {
 315                 view_list_step_to_end(vw, last);
 316                 }
 317         else
 318                 {
 319                 view_collection_step_to_end(vw, last);
 320                 }
 321 }
 322
 323 /*
 324  *-----------------------------------------------------------------------------
 325  * view window keyboard
 326  *-----------------------------------------------------------------------------
 327  */
 328
 329 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 330 {
 331         ViewWindow *vw = data;
 332         ImageWindow *imd;
 333
 334         imd = view_window_active_image(vw);
 335         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 336         popup_menu_position_clamp(menu, x, y, 0);
 337 }
 338
 339 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 340 {
 341         ViewWindow *vw = data;
 342         ImageWindow *imd;
 343         gint stop_signal;
 344         GtkWidget *menu;
 345         gint x = 0;
 346         gint y = 0;
 347
 348         imd = view_window_active_image(vw);
 349
 350         stop_signal = TRUE;
 351         switch (event->keyval)
 352                 {
 353                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 354                         x -= 1;
 355                         break;
 356                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 357                         x += 1;
 358                         break;
 359                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 360                         y -= 1;
 361                         break;
 362                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 363                         y += 1;
 364                         break;
 365                 default:
 366                         stop_signal = FALSE;
 367                         break;
 368                 }
 369
 370         if (x != 0 || y!= 0)
 371                 {
 372                 if (event->state & GDK_SHIFT_MASK)
 373                         {
 374                         x *= 3;
 375                         y *= 3;
 376                         }
 377
 378                 keyboard_scroll_calc(&x, &y, event);
 379                 image_scroll(imd, x, y);
 380                 }
 381
 382         if (stop_signal) return stop_signal;
 383
 384         if (event->state & GDK_CONTROL_MASK)
 385                 {
 386                 stop_signal = TRUE;
 387                 switch (event->keyval)
 388                         {
 389                         case '1':
 390                         case '2':
 391                         case '3':
 392                         case '4':
 393                         case '5':
 394                         case '6':
 395                         case '7':
 396                         case '8':
 397                         case '9':
 398                         case '0':
 399                                 break;
 400                         case 'C': case 'c':
 401                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 402                                 break;
 403                         case 'M': case 'm':
 404                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 405                                 break;
 406                         case 'R': case 'r':
 407                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 408                                 break;
 409                         case 'D': case 'd':
 410                                 options->file_ops.safe_delete_enable = TRUE;
 411                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 412                                 break;
 413                         case 'W': case 'w':
 414                                 view_window_close(vw);
 415                                 break;
 416                         default:
 417                                 stop_signal = FALSE;
 418                                 break;
 419                         }
 420                 }
 421         else if (event->state & GDK_SHIFT_MASK)
 422                 {
 423                 stop_signal = TRUE;
 424                 switch (event->keyval)
 425                         {
 426                         case 'R': case 'r':
 427                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 428                                 break;
 429                         case 'M': case 'm':
 430                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 431                                 break;
 432                         case 'F': case 'f':
 433                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 434                                 break;
 435                         case 'G': case 'g':
 436                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 437                                 break;
 438                         case 'P': case 'p':
 439                                 {
 440                                 FileData *fd;
 441
 442                                 view_fullscreen_toggle(vw, TRUE);
 443                                 imd = view_window_active_image(vw);
 444                                 fd = image_get_fd(imd);
 445                                 print_window_new(fd,
 446                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 447                                                  filelist_copy(vw->list), vw->window);
 448                                 }
 449                                 break;
 450                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 451                                 if (options->file_ops.enable_delete_key)
 452                                         {
 453                                         options->file_ops.safe_delete_enable = FALSE;
 454                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 455                                         }
 456                                 break;
 457                         default:
 458                                 stop_signal = FALSE;
 459                                 break;
 460                         }
 461                 }
 462         else
 463                 {
 464                 stop_signal = TRUE;
 465                 switch (event->keyval)
 466                         {
 467                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 468                         case GDK_KEY_BackSpace:
 469                         case 'B': case 'b':
 470                                 view_step_prev(vw);
 471                                 break;
 472                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 473                         case GDK_KEY_space:
 474                         case 'N': case 'n':
 475                                 view_step_next(vw);
 476                                 break;
 477                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 478                                 view_step_to_end(vw, FALSE);
 479                                 break;
 480                         case GDK_KEY_End: case GDK_KEY_KP_End:
 481                                 view_step_to_end(vw, TRUE);
 482                                 break;
 483                         case '+': case '=': case GDK_KEY_KP_Add:
 484                                 image_zoom_adjust(imd, get_zoom_increment());
 485                                 break;
 486                         case '-': case GDK_KEY_KP_Subtract:
 487                                 image_zoom_adjust(imd, -get_zoom_increment());
 488                                 break;
 489                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 490                                 image_zoom_set(imd, 0.0);
 491                                 break;
 492                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 493                                 image_zoom_set(imd, 1.0);
 494                                 break;
 495                         case '2':
 496                                 image_zoom_set(imd, 2.0);
 497                                 break;
 498                         case '3':
 499                                 image_zoom_set(imd, 3.0);
 500                                 break;
 501                         case '4':
 502                                 image_zoom_set(imd, 4.0);
 503                                 break;
 504                         case '7':
 505                                 image_zoom_set(imd, -4.0);
 506                                 break;
 507                         case '8':
 508                                 image_zoom_set(imd, -3.0);
 509                                 break;
 510                         case '9':
 511                                 image_zoom_set(imd, -2.0);
 512                                 break;
 513                         case 'W': case 'w':
 514                                 image_zoom_set_fill_geometry(imd, FALSE);
 515                                 break;
 516                         case 'H': case 'h':
 517                                 image_zoom_set_fill_geometry(imd, TRUE);
 518                                 break;
 519                         case 'R': case 'r':
 520                                 image_reload(imd);
 521                                 break;
 522                         case 'S': case 's':
 523                                 if (vw->ss)
 524                                         {
 525                                         view_slideshow_stop(vw);
 526                                         }
 527                                 else
 528                                         {
 529                                         view_slideshow_start(vw);
 530                                         }
 531                                 break;
 532                         case 'P': case 'p':
 533                                 slideshow_pause_toggle(vw->ss);
 534                                 break;
 535                         case 'F': case 'f':
 536                         case 'V': case 'v':
 537                         case GDK_KEY_F11:
 538                                 view_fullscreen_toggle(vw, FALSE);
 539                                 break;
 540                         case 'I': case 'i':
 541                                 view_overlay_toggle(vw);
 542                                 break;
 543                         case ']':
 544                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 545                                 break;
 546                         case '[':
 547                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 548                                 break;
 549                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 550                                 if (options->file_ops.enable_delete_key)
 551                                         {
 552                                         options->file_ops.safe_delete_enable = TRUE;
 553                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 554                                         }
 555                                 break;
 556                         case GDK_KEY_Escape:
 557                                 if (vw->fs)
 558                                         {
 559                                         view_fullscreen_toggle(vw, TRUE);
 560                                         }
 561                                 else
 562                                         {
 563                                         view_window_close(vw);
 564                                         }
 565                                 break;
 566                         case GDK_KEY_Menu:
 567                         case GDK_KEY_F10:
 568                                 menu = view_popup_menu(vw);
 569                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 570                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 571                                 break;
 572                         default:
 573                                 stop_signal = FALSE;
 574                                 break;
 575                         }
 576                 }
 577         if (!stop_signal && is_help_key(event))
 578                 {
 579                 help_window_show("GuideOtherWindowsImageWindow.html");
 580                 stop_signal = TRUE;
 581                 }
 582
 583         return stop_signal;
 584 }
 585
 586 /*
 587  *-----------------------------------------------------------------------------
 588  * view window main routines
 589  *-----------------------------------------------------------------------------
 590  */
 591 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 592 {
 593         ViewWindow *vw = data;
 594         GtkWidget *menu;
 595
 596         switch (event->button)
 597                 {
 598                 case MOUSE_BUTTON_LEFT:
 599                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 600                                 {
 601                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 602                                 }
 603                         else if (options->image_lm_click_nav)
 604                                 view_step_next(vw);
 605                         break;
 606                 case MOUSE_BUTTON_MIDDLE:
 607                         if (options->image_lm_click_nav)
 608                                 view_step_prev(vw);
 609                         break;
 610                 case MOUSE_BUTTON_RIGHT:
 611                         menu = view_popup_menu(vw);
 612                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 613                         break;
 614                 default:
 615                         break;
 616                 }
 617 }
 618
 619 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 620 {
 621         ViewWindow *vw = data;
 622
 623         if ((event->state & GDK_CONTROL_MASK) ||
 624                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 625                 {
 626                 switch (event->direction)
 627                         {
 628                         case GDK_SCROLL_UP:
 629                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 630                                 break;
 631                         case GDK_SCROLL_DOWN:
 632                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 633                                 break;
 634                         default:
 635                                 break;
 636                         }
 637                 }
 638         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 639                 {
 640                 switch (event->direction)
 641                         {
 642                         case GDK_SCROLL_UP:
 643                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 644                                 break;
 645                         case GDK_SCROLL_DOWN:
 646                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 647                                 break;
 648                         case GDK_SCROLL_LEFT:
 649                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 650                                 break;
 651                         case GDK_SCROLL_RIGHT:
 652                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 653                                 break;
 654                         default:
 655                                 break;
 656                         }
 657                 }
 658         else
 659                 {
 660                 switch (event->direction)
 661                         {
 662                         case GDK_SCROLL_UP:
 663                                 view_step_prev(vw);
 664                                 break;
 665                         case GDK_SCROLL_DOWN:
 666                                 view_step_next(vw);
 667                                 break;
 668                         default:
 669                                 break;
 670                         }
 671                 }
 672 }
 673
 674 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 675 {
 676         image_set_button_func(imd, button_cb, vw);
 677         image_set_scroll_func(imd, scroll_cb, vw);
 678 }
 679
 680 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 681 {
 682         ViewWindow *vw = data;
 683
 684         vw->fs = NULL;
 685
 686         if (vw->ss) vw->ss->imd = vw->imd;
 687 }
 688
 689 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 690 {
 691         if (force_off && !vw->fs) return;
 692
 693         if (vw->fs)
 694                 {
 695                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 696                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 697
 698                 fullscreen_stop(vw->fs);
 699                 }
 700         else
 701                 {
 702                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 703
 704                 view_image_set_buttons(vw, vw->fs->imd);
 705                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 706                                  G_CALLBACK(view_window_key_press_cb), vw);
 707
 708                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 709
 710                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 711                         {
 712                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 713                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 714                         }
 715                 }
 716 }
 717
 718 static void view_overlay_toggle(ViewWindow *vw)
 719 {
 720         ImageWindow *imd;
 721
 722         imd = view_window_active_image(vw);
 723
 724         image_osd_toggle(imd);
 725 }
 726
 727 static void view_slideshow_next(ViewWindow *vw)
 728 {
 729         if (vw->ss) slideshow_next(vw->ss);
 730 }
 731
 732 static void view_slideshow_prev(ViewWindow *vw)
 733 {
 734         if (vw->ss) slideshow_prev(vw->ss);
 735 }
 736
 737 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 738 {
 739         ViewWindow *vw = data;
 740         GList *work;
 741         FileData *fd;
 742
 743         vw->ss = NULL;
 744
 745         work = vw->list;
 746         fd = image_get_fd(view_window_active_image(vw));
 747         while (work)
 748                 {
 749                 FileData *temp;
 750
 751                 temp = work->data;
 752                 if (fd == temp)
 753                         {
 754                         vw->list_pointer = work;
 755                         work = NULL;
 756                         }
 757                 else
 758                         {
 759                         work = work->next;
 760                         }
 761                 }
 762 }
 763
 764 static void view_slideshow_start(ViewWindow *vw)
 765 {
 766         if (!vw->ss)
 767                 {
 768                 CollectionData *cd;
 769                 CollectInfo *info;
 770
 771                 if (vw->list)
 772                         {
 773                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 774                                                                 filelist_copy(vw->list),
 775                                                                 view_slideshow_stop_func, vw);
 776                         vw->list_pointer = NULL;
 777                         return;
 778                         }
 779
 780                 cd = image_get_collection(view_window_active_image(vw), &info);
 781                 if (cd && info)
 782                         {
 783                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 784                                                                  view_slideshow_stop_func, vw, info);
 785                         }
 786                 }
 787 }
 788
 789 static void view_slideshow_stop(ViewWindow *vw)
 790 {
 791         if (vw->ss) slideshow_free(vw->ss);
 792 }
 793
 794 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 795 {
 796         ViewWindow *vw = data;
 797
 798         view_window_list = g_list_remove(view_window_list, vw);
 799
 800         view_slideshow_stop(vw);
 801         fullscreen_stop(vw->fs);
 802
 803         filelist_free(vw->list);
 804
 805         file_data_unregister_notify_func(view_window_notify_cb, vw);
 806
 807         g_free(vw);
 808 }
 809
 810 static void view_window_close(ViewWindow *vw)
 811 {
 812         view_slideshow_stop(vw);
 813         view_fullscreen_toggle(vw, TRUE);
 814         gtk_widget_destroy(vw->window);
 815 }
 816
 817 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 818 {
 819         ViewWindow *vw = data;
 820
 821         view_window_close(vw);
 822         return TRUE;
 823 }
 824
 825 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 826 {
 827         ViewWindow *vw;
 828         GtkAllocation req_size;
 829         GdkGeometry geometry;
 830         gint w, h;
 831
 832         if (!fd && !list && (!cd || !info)) return NULL;
 833
 834         vw = g_new0(ViewWindow, 1);
 835
 836         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 837
 838         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 839         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 840         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 841
 842         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 843         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 844
 845         vw->imd = image_new(FALSE);
 846         image_color_profile_set(vw->imd,
 847                                 options->color_profile.input_type,
 848                                 options->color_profile.use_image);
 849         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 850
 851         image_background_set_color_from_options(vw->imd, FALSE);
 852
 853         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 854
 855         image_auto_refresh_enable(vw->imd, TRUE);
 856         image_top_window_set_sync(vw->imd, TRUE);
 857
 858         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 859         gtk_widget_show(vw->imd->widget);
 860
 861         view_window_dnd_init(vw);
 862
 863         view_image_set_buttons(vw, vw->imd);
 864
 865         g_signal_connect(G_OBJECT(vw->window), "destroy",
 866                          G_CALLBACK(view_window_destroy_cb), vw);
 867         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 868                          G_CALLBACK(view_window_delete_cb), vw);
 869         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 870                          G_CALLBACK(view_window_key_press_cb), vw);
 871         if (cd && info)
 872                 {
 873                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 874                 /* Grab the fd so we can correctly size the window in
 875                    the call to image_load_dimensions() below. */
 876                 fd = info->fd;
 877                 if (options->image.enable_read_ahead)
 878                         {
 879                         CollectInfo * r_info = collection_next_by_info(cd, info);
 880                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 881                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 882                         }
 883                 }
 884         else if (list)
 885                 {
 886                 view_window_set_list(vw, list);
 887                 vw->list_pointer = vw->list;
 888                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 889                 /* Set fd to first in list */
 890                 fd = vw->list->data;
 891
 892                 if (options->image.enable_read_ahead)
 893                         {
 894                         GList *work = vw->list->next;
 895                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 896                         }
 897                 }
 898         else
 899                 {
 900                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 901                 }
 902
 903         /* Wait until image is loaded otherwise size is not defined */
 904         image_load_dimensions(fd, &w, &h);
 905
 906         if (options->image.limit_window_size)
 907                 {
 908                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 909                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 910
 911                 if (w > mw) w = mw;
 912                 if (h > mh) h = mh;
 913                 }
 914
 915         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 916         req_size.x = req_size.y = 0;
 917         req_size.width = w;
 918         req_size.height = h;
 919         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 920
 921 #if !GTK_CHECK_VERSION(3,0,0)
 922         gtk_widget_set_size_request(vw->imd->pr, w, h);
 923 #endif
 924
 925         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
 926         gtk_widget_show(vw->window);
 927
 928         view_window_list = g_list_append(view_window_list, vw);
 929
 930         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 931
 932         return vw;
 933 }
 934
 935 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 936 {
 937         CollectionData *cd = data;
 938
 939         collection_unref(cd);
 940 }
 941
 942 void view_window_new(FileData *fd)
 943 {
 944         GList *list;
 945
 946         if (fd)
 947                 {
 948                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 949                         {
 950                         ViewWindow *vw;
 951                         CollectionData *cd;
 952                         CollectInfo *info;
 953
 954                         cd = collection_new(fd->path);
 955                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 956                                 {
 957                                 info = collection_get_first(cd);
 958                                 }
 959                         else
 960                                 {
 961                                 collection_unref(cd);
 962                                 cd = NULL;
 963                                 info = NULL;
 964                                 }
 965                         vw = real_view_window_new(NULL, NULL, cd, info);
 966                         if (vw && cd)
 967                                 {
 968                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
 969                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
 970                                 }
 971                         }
 972                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 973                         {
 974                         list = filelist_sort_path(list);
 975                         list = filelist_filter(list, FALSE);
 976                         real_view_window_new(NULL, list, NULL, NULL);
 977                         filelist_free(list);
 978                         }
 979                 else
 980                         {
 981                         real_view_window_new(fd, NULL, NULL, NULL);
 982                         }
 983                 }
 984 }
 985
 986 void view_window_new_from_list(GList *list)
 987 {
 988         real_view_window_new(NULL, list, NULL, NULL);
 989 }
 990
 991 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 992 {
 993         real_view_window_new(NULL, NULL, cd, info);
 994 }
 995
 996 /*
 997  *-----------------------------------------------------------------------------
 998  * public
 999  *-----------------------------------------------------------------------------
1000  */
1001
1002 void view_window_colors_update(void)
1003 {
1004         GList *work;
1005
1006         work = view_window_list;
1007         while (work)
1008                 {
1009                 ViewWindow *vw = work->data;
1010                 work = work->next;
1011
1012                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1013                 }
1014 }
1015
1016 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1017 {
1018         GList *work;
1019
1020         work = view_window_list;
1021         while (work)
1022                 {
1023                 ViewWindow *vw = work->data;
1024                 work = work->next;
1025
1026                 if (vw->imd == imd ||
1027                     (vw->fs && vw->fs->imd == imd))
1028                         {
1029                         if (vw->ss)
1030                                 {
1031                                 gint n;
1032                                 gint t;
1033
1034                                 n = g_list_length(vw->ss->list_done);
1035                                 t = n + g_list_length(vw->ss->list);
1036                                 if (n == 0) n = t;
1037                                 if (index) *index = n - 1;
1038                                 if (total) *total = t;
1039                                 }
1040                         else
1041                                 {
1042                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1043                                 if (total) *total = g_list_length(vw->list);
1044                                 }
1045                         return TRUE;
1046                         }
1047                 }
1048
1049         return FALSE;
1050 }
1051
1052 /*
1053  *-----------------------------------------------------------------------------
1054  * view window menu routines and callbacks
1055  *-----------------------------------------------------------------------------
1056  */
1057
1058 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1059 {
1060         ViewWindow *vw = data;
1061         CollectionData *cd;
1062         CollectInfo *info;
1063
1064         cd = image_get_collection(vw->imd, &info);
1065
1066         if (cd && info)
1067                 {
1068                 view_window_new_from_collection(cd, info);
1069                 }
1070         else
1071                 {
1072                 view_window_new(image_get_fd(vw->imd));
1073                 }
1074 }
1075
1076 static void view_edit_cb(GtkWidget *widget, gpointer data)
1077 {
1078         ViewWindow *vw;
1079         ImageWindow *imd;
1080         const gchar *key = data;
1081
1082         vw = submenu_item_get_data(widget);
1083         if (!vw) return;
1084
1085         if (!editor_window_flag_set(key))
1086                 {
1087                 view_fullscreen_toggle(vw, TRUE);
1088                 }
1089
1090         imd = view_window_active_image(vw);
1091         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1092 }
1093
1094 static void view_alter_cb(GtkWidget *widget, gpointer data)
1095 {
1096         ViewWindow *vw;
1097         AlterType type;
1098
1099         vw = submenu_item_get_data(widget);
1100         type = GPOINTER_TO_INT(data);
1101
1102         if (!vw) return;
1103         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1104 }
1105
1106 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1107 {
1108         ViewWindow *vw = data;
1109         ImageWindow *imd;
1110
1111         imd = view_window_active_image(vw);
1112         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1113 }
1114
1115 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1116 {
1117         ViewWindow *vw = data;
1118
1119         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1120 }
1121
1122 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125
1126         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1127 }
1128
1129 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1130 {
1131         ViewWindow *vw = data;
1132
1133         image_zoom_set(view_window_active_image(vw), 1.0);
1134 }
1135
1136 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1137 {
1138         ViewWindow *vw = data;
1139
1140         image_zoom_set(view_window_active_image(vw), 0.0);
1141 }
1142
1143 static void view_copy_cb(GtkWidget *widget, gpointer data)
1144 {
1145         ViewWindow *vw = data;
1146         ImageWindow *imd;
1147
1148         imd = view_window_active_image(vw);
1149         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1150 }
1151
1152 static void view_move_cb(GtkWidget *widget, gpointer data)
1153 {
1154         ViewWindow *vw = data;
1155         ImageWindow *imd;
1156
1157         imd = view_window_active_image(vw);
1158         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1159 }
1160
1161 static void view_rename_cb(GtkWidget *widget, gpointer data)
1162 {
1163         ViewWindow *vw = data;
1164         ImageWindow *imd;
1165
1166         imd = view_window_active_image(vw);
1167         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1168 }
1169
1170 static void view_delete_cb(GtkWidget *widget, gpointer data)
1171 {
1172         ViewWindow *vw = data;
1173         ImageWindow *imd;
1174
1175         imd = view_window_active_image(vw);
1176         options->file_ops.safe_delete_enable = FALSE;
1177         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1178 }
1179
1180 static void view_move_to_trash_cb(GtkWidget *widget, gpointer data)
1181 {
1182         ViewWindow *vw = data;
1183         ImageWindow *imd;
1184
1185         imd = view_window_active_image(vw);
1186         options->file_ops.safe_delete_enable = TRUE;
1187         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1188 }
1189
1190 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1191 {
1192         ViewWindow *vw = data;
1193         ImageWindow *imd;
1194
1195         imd = view_window_active_image(vw);
1196         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1197 }
1198
1199 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1200 {
1201         ViewWindow *vw = data;
1202         ImageWindow *imd;
1203
1204         imd = view_window_active_image(vw);
1205         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1206 }
1207
1208 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1209 {
1210         ViewWindow *vw = data;
1211
1212         view_fullscreen_toggle(vw, FALSE);
1213 }
1214
1215 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1216 {
1217         ViewWindow *vw = data;
1218
1219         view_slideshow_start(vw);
1220 }
1221
1222 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1223 {
1224         ViewWindow *vw = data;
1225
1226         view_slideshow_stop(vw);
1227 }
1228
1229 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1230 {
1231         ViewWindow *vw = data;
1232
1233         slideshow_pause_toggle(vw->ss);
1234 }
1235
1236 static void view_close_cb(GtkWidget *widget, gpointer data)
1237 {
1238         ViewWindow *vw = data;
1239
1240         view_window_close(vw);
1241 }
1242
1243 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1244 {
1245         LayoutWindow *nw;
1246
1247         nw = layout_new(NULL, NULL);
1248         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1249         layout_set_fd(nw, fd);
1250         return nw;
1251 }
1252
1253
1254 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1255 {
1256         ViewWindow *vw = data;
1257         LayoutWindow *lw;
1258         ImageWindow *imd;
1259
1260         imd = view_window_active_image(vw);
1261
1262         if (!imd || !imd->image_fd) return;
1263
1264         lw = layout_find_by_image_fd(imd);
1265         if (lw)
1266                 layout_set_fd(lw, imd->image_fd);
1267         else
1268                 view_new_layout_with_fd(imd->image_fd);
1269         view_window_close(vw);
1270 }
1271
1272 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1273 {
1274         GList *editmenu_fd_list = data;
1275
1276         filelist_free(editmenu_fd_list);
1277 }
1278
1279 static GList *view_window_get_fd_list(ViewWindow *vw)
1280 {
1281         GList *list = NULL;
1282         ImageWindow *imd = view_window_active_image(vw);
1283
1284         if (imd)
1285                 {
1286                 FileData *fd = image_get_fd(imd);
1287                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1288                 }
1289
1290         return list;
1291 }
1292
1293 /**
1294  * @brief Add file selection list to a collection
1295  * @param[in] widget
1296  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1297  *
1298  *
1299  */
1300 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1301 {
1302         ViewWindow *vw;
1303         ImageWindow *imd;
1304         FileData *fd;
1305         GList *selection_list = NULL;
1306
1307         vw = submenu_item_get_data(widget);
1308         imd = view_window_active_image(vw);
1309         fd = image_get_fd(imd);
1310         selection_list = g_list_append(selection_list, fd);
1311         pop_menu_collections(selection_list, data);
1312
1313         filelist_free(selection_list);
1314 }
1315
1316 static GtkWidget *view_popup_menu(ViewWindow *vw)
1317 {
1318         GtkWidget *menu;
1319         GtkWidget *submenu;
1320         GtkWidget *item;
1321         GList *editmenu_fd_list;
1322
1323         menu = popup_menu_short_lived();
1324
1325
1326         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1327         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1328         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1329         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1330         menu_item_add_divider(menu);
1331
1332         editmenu_fd_list = view_window_get_fd_list(vw);
1333         g_signal_connect(G_OBJECT(menu), "destroy",
1334                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1335         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1336         menu_item_add_divider(item);
1337 #if !GTK_CHECK_VERSION(3,0,0)
1338         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1339 #endif
1340         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1341
1342         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1343         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1344
1345         menu_item_add_divider(menu);
1346         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1347         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1348         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1349         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1350         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1351
1352         menu_item_add_divider(menu);
1353         menu_item_add_stock(menu,
1354                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1355                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH,
1356                                 G_CALLBACK(view_move_to_trash_cb), vw);
1357         menu_item_add_stock(menu,
1358                                 options->file_ops.confirm_delete ? _("_Delete...") :
1359                                         _("_Delete"), GTK_STOCK_DELETE,
1360                                 G_CALLBACK(view_delete_cb), vw);
1361
1362         menu_item_add_divider(menu);
1363
1364         submenu_add_collections(menu, &item,
1365                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1366         gtk_widget_set_sensitive(item, TRUE);
1367         menu_item_add_divider(menu);
1368
1369         if (vw->ss)
1370                 {
1371                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1372                 if (slideshow_paused(vw->ss))
1373                         {
1374                         item = menu_item_add(menu, _("Continue slides_how"),
1375                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1376                         }
1377                 else
1378                         {
1379                         item = menu_item_add(menu, _("Pause slides_how"),
1380                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1381                         }
1382                 }
1383         else
1384                 {
1385                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1386                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1387                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1388                 gtk_widget_set_sensitive(item, FALSE);
1389                 }
1390
1391         if (vw->fs)
1392                 {
1393                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1394                 }
1395         else
1396                 {
1397                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1398                 }
1399
1400         menu_item_add_divider(menu);
1401         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1402
1403         return menu;
1404 }
1405
1406 /*
1407  *-------------------------------------------------------------------
1408  * dnd confirm dir
1409  *-------------------------------------------------------------------
1410  */
1411
1412 typedef struct {
1413         ViewWindow *vw;
1414         GList *list;
1415 } CViewConfirmD;
1416
1417 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1418 {
1419         /* do nothing */
1420 }
1421
1422 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1423 {
1424         GList *work;
1425
1426         view_window_set_list(vw, NULL);
1427
1428         work = list;
1429         while (work)
1430                 {
1431                 FileData *fd = work->data;
1432                 work = work->next;
1433
1434                 if (isdir(fd->path))
1435                         {
1436                         if (!skip)
1437                                 {
1438                                 GList *list = NULL;
1439
1440                                 if (recurse)
1441                                         {
1442                                         list = filelist_recursive(fd);
1443                                         }
1444                                 else
1445                                         { /*FIXME */
1446                                         filelist_read(fd, &list, NULL);
1447                                         list = filelist_sort_path(list);
1448                                         list = filelist_filter(list, FALSE);
1449                                         }
1450                                 if (list) vw->list = g_list_concat(vw->list, list);
1451                                 }
1452                         }
1453                 else
1454                         {
1455                         /* FIXME: no filtering here */
1456                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1457                         }
1458                 }
1459
1460         if (vw->list)
1461                 {
1462                 FileData *fd;
1463
1464                 vw->list_pointer = vw->list;
1465                 fd = vw->list->data;
1466                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1467
1468                 work = vw->list->next;
1469                 if (options->image.enable_read_ahead && work)
1470                         {
1471                         fd = work->data;
1472                         image_prebuffer_set(vw->imd, fd);
1473                         }
1474                 }
1475         else
1476                 {
1477                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1478                 }
1479 }
1480
1481 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1482 {
1483         CViewConfirmD *d = data;
1484         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1485 }
1486
1487 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1488 {
1489         CViewConfirmD *d = data;
1490         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1491 }
1492
1493 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1494 {
1495         CViewConfirmD *d = data;
1496         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1497 }
1498
1499 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1500 {
1501         CViewConfirmD *d = data;
1502         filelist_free(d->list);
1503         g_free(d);
1504 }
1505
1506 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1507 {
1508         GtkWidget *menu;
1509         CViewConfirmD *d;
1510
1511         d = g_new(CViewConfirmD, 1);
1512         d->vw = vw;
1513         d->list = list;
1514
1515         menu = popup_menu_short_lived();
1516         g_signal_connect(G_OBJECT(menu), "destroy",
1517                          G_CALLBACK(view_dir_list_destroy), d);
1518
1519         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1520         menu_item_add_divider(menu);
1521         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1522         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1523         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1524         menu_item_add_divider(menu);
1525         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1526
1527         return menu;
1528 }
1529
1530 /*
1531  *-----------------------------------------------------------------------------
1532  * image drag and drop routines
1533  *-----------------------------------------------------------------------------
1534  */
1535
1536 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1537                                      gint x, gint y,
1538                                      GtkSelectionData *selection_data, guint info,
1539                                      guint time, gpointer data)
1540 {
1541         ViewWindow *vw = data;
1542         ImageWindow *imd;
1543
1544         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1545
1546         imd = vw->imd;
1547
1548         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1549                 {
1550                 CollectionData *source;
1551                 GList *list;
1552                 GList *info_list;
1553
1554                 if (info == TARGET_URI_LIST)
1555                         {
1556                         GList *work;
1557
1558                         list = uri_filelist_from_gtk_selection_data(selection_data);
1559
1560                         work = list;
1561                         while (work)
1562                                 {
1563                                 FileData *fd = work->data;
1564                                 if (isdir(fd->path))
1565                                         {
1566                                         GtkWidget *menu;
1567                                         menu = view_confirm_dir_list(vw, list);
1568                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1569                                         return;
1570                                         }
1571                                 work = work->next;
1572                                 }
1573
1574                         list = filelist_filter(list, FALSE);
1575
1576                         source = NULL;
1577                         info_list = NULL;
1578                         }
1579                 else
1580                         {
1581                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1582                         }
1583
1584                 if (list)
1585                         {
1586                         FileData *fd;
1587
1588                         fd = list->data;
1589                         if (isfile(fd->path))
1590                                 {
1591                                 view_slideshow_stop(vw);
1592                                 view_window_set_list(vw, NULL);
1593
1594                                 if (source && info_list)
1595                                         {
1596                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1597                                         }
1598                                 else
1599                                         {
1600                                         if (list->next)
1601                                                 {
1602                                                 vw->list = list;
1603                                                 list = NULL;
1604
1605                                                 vw->list_pointer = vw->list;
1606                                                 }
1607                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1608                                         }
1609                                 }
1610                         }
1611                 filelist_free(list);
1612                 g_list_free(info_list);
1613                 }
1614 }
1615
1616 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1617                                      GtkSelectionData *selection_data, guint info,
1618                                      guint time, gpointer data)
1619 {
1620         ViewWindow *vw = data;
1621         FileData *fd;
1622
1623         fd = image_get_fd(vw->imd);
1624
1625         if (fd)
1626                 {
1627                 GList *list;
1628
1629                 list = g_list_append(NULL, fd);
1630                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1631                 g_list_free(list);
1632                 }
1633         else
1634                 {
1635                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1636                                        8, NULL, 0);
1637                 }
1638 }
1639
1640 static void view_window_dnd_init(ViewWindow *vw)
1641 {
1642         ImageWindow *imd;
1643
1644         imd = vw->imd;
1645
1646         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1647                             dnd_file_drag_types, dnd_file_drag_types_count,
1648                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1649         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1650                          G_CALLBACK(view_window_set_dnd_data), vw);
1651
1652         gtk_drag_dest_set(imd->pr,
1653                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1654                           dnd_file_drop_types, dnd_file_drop_types_count,
1655                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1656         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1657                          G_CALLBACK(view_window_get_dnd_data), vw);
1658 }
1659
1660 /*
1661  *-----------------------------------------------------------------------------
1662  * maintenance (for rename, move, remove)
1663  *-----------------------------------------------------------------------------
1664  */
1665
1666 static void view_real_removed(ViewWindow *vw, FileData *fd)
1667 {
1668         ImageWindow *imd;
1669         FileData *image_fd;
1670
1671         imd = view_window_active_image(vw);
1672         image_fd = image_get_fd(imd);
1673
1674         if (image_fd && image_fd == fd)
1675                 {
1676                 if (vw->list)
1677                         {
1678                         view_list_step(vw, TRUE);
1679                         if (image_get_fd(imd) == image_fd)
1680                                 {
1681                                 view_list_step(vw, FALSE);
1682                                 }
1683                         }
1684                 else if (view_window_contains_collection(vw))
1685                         {
1686                         view_collection_step(vw, TRUE);
1687                         if (image_get_fd(imd) == image_fd)
1688                                 {
1689                                 view_collection_step(vw, FALSE);
1690                                 }
1691                         }
1692                 if (image_get_fd(imd) == image_fd)
1693                         {
1694                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1695                         }
1696                 }
1697
1698         if (vw->list)
1699                 {
1700                 GList *work;
1701                 GList *old;
1702
1703                 old = vw->list_pointer;
1704
1705                 work = vw->list;
1706                 while (work)
1707                         {
1708                         FileData *chk_fd;
1709                         GList *chk_link;
1710
1711                         chk_fd = work->data;
1712                         chk_link = work;
1713                         work = work->next;
1714
1715                         if (chk_fd == fd)
1716                                 {
1717                                 if (vw->list_pointer == chk_link)
1718                                         {
1719                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1720                                         }
1721                                 vw->list = g_list_remove(vw->list, chk_fd);
1722                                 file_data_unref(chk_fd);
1723                                 }
1724                         }
1725
1726                 /* handles stepping correctly when same image is in the list more than once */
1727                 if (old && old != vw->list_pointer)
1728                         {
1729                         FileData *fd;
1730
1731                         if (vw->list_pointer)
1732                                 {
1733                                 fd = vw->list_pointer->data;
1734                                 }
1735                         else
1736                                 {
1737                                 fd = NULL;
1738                                 }
1739
1740                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1741                         }
1742                 }
1743
1744         image_osd_update(imd);
1745 }
1746
1747 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1748 {
1749         ViewWindow *vw = data;
1750
1751         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1752
1753         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1754
1755         switch (fd->change->type)
1756                 {
1757                 case FILEDATA_CHANGE_MOVE:
1758                 case FILEDATA_CHANGE_RENAME:
1759                         break;
1760                 case FILEDATA_CHANGE_COPY:
1761                         break;
1762                 case FILEDATA_CHANGE_DELETE:
1763                         view_real_removed(vw, fd);
1764                         break;
1765                 case FILEDATA_CHANGE_UNSPECIFIED:
1766                 case FILEDATA_CHANGE_WRITE_METADATA:
1767                         break;
1768                 }
1769 }
1770 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */