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
 890                 if (options->image.enable_read_ahead)
 891                         {
 892                         GList *work = vw->list->next;
 893                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 894                         }
 895                 }
 896         else
 897                 {
 898                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 899                 }
 900
 901         /* Wait until image is loaded otherwise size is not defined */
 902         image_load_dimensions(fd, &w, &h);
 903
 904         if (options->image.limit_window_size)
 905                 {
 906                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 907                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 908
 909                 if (w > mw) w = mw;
 910                 if (h > mh) h = mh;
 911                 }
 912
 913         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 914         req_size.x = req_size.y = 0;
 915         req_size.width = w;
 916         req_size.height = h;
 917         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 918
 919 #if !GTK_CHECK_VERSION(3,0,0)
 920         gtk_widget_set_size_request(vw->imd->pr, w, h);
 921 #endif
 922
 923         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
 924         gtk_widget_show(vw->window);
 925
 926         view_window_list = g_list_append(view_window_list, vw);
 927
 928         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 929
 930         return vw;
 931 }
 932
 933 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 934 {
 935         CollectionData *cd = data;
 936
 937         collection_unref(cd);
 938 }
 939
 940 void view_window_new(FileData *fd)
 941 {
 942         GList *list;
 943
 944         if (fd)
 945                 {
 946                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 947                         {
 948                         ViewWindow *vw;
 949                         CollectionData *cd;
 950                         CollectInfo *info;
 951
 952                         cd = collection_new(fd->path);
 953                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 954                                 {
 955                                 info = collection_get_first(cd);
 956                                 }
 957                         else
 958                                 {
 959                                 collection_unref(cd);
 960                                 cd = NULL;
 961                                 info = NULL;
 962                                 }
 963                         vw = real_view_window_new(NULL, NULL, cd, info);
 964                         if (vw && cd)
 965                                 {
 966                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
 967                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
 968                                 }
 969                         }
 970                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 971                         {
 972                         list = filelist_sort_path(list);
 973                         list = filelist_filter(list, FALSE);
 974                         real_view_window_new(NULL, list, NULL, NULL);
 975                         filelist_free(list);
 976                         }
 977                 else
 978                         {
 979                         real_view_window_new(fd, NULL, NULL, NULL);
 980                         }
 981                 }
 982 }
 983
 984 void view_window_new_from_list(GList *list)
 985 {
 986         real_view_window_new(NULL, list, NULL, NULL);
 987 }
 988
 989 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 990 {
 991         real_view_window_new(NULL, NULL, cd, info);
 992 }
 993
 994 /*
 995  *-----------------------------------------------------------------------------
 996  * public
 997  *-----------------------------------------------------------------------------
 998  */
 999
1000 void view_window_colors_update(void)
1001 {
1002         GList *work;
1003
1004         work = view_window_list;
1005         while (work)
1006                 {
1007                 ViewWindow *vw = work->data;
1008                 work = work->next;
1009
1010                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1011                 }
1012 }
1013
1014 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1015 {
1016         GList *work;
1017
1018         work = view_window_list;
1019         while (work)
1020                 {
1021                 ViewWindow *vw = work->data;
1022                 work = work->next;
1023
1024                 if (vw->imd == imd ||
1025                     (vw->fs && vw->fs->imd == imd))
1026                         {
1027                         if (vw->ss)
1028                                 {
1029                                 gint n;
1030                                 gint t;
1031
1032                                 n = g_list_length(vw->ss->list_done);
1033                                 t = n + g_list_length(vw->ss->list);
1034                                 if (n == 0) n = t;
1035                                 if (index) *index = n - 1;
1036                                 if (total) *total = t;
1037                                 }
1038                         else
1039                                 {
1040                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1041                                 if (total) *total = g_list_length(vw->list);
1042                                 }
1043                         return TRUE;
1044                         }
1045                 }
1046
1047         return FALSE;
1048 }
1049
1050 /*
1051  *-----------------------------------------------------------------------------
1052  * view window menu routines and callbacks
1053  *-----------------------------------------------------------------------------
1054  */
1055
1056 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1057 {
1058         ViewWindow *vw = data;
1059         CollectionData *cd;
1060         CollectInfo *info;
1061
1062         cd = image_get_collection(vw->imd, &info);
1063
1064         if (cd && info)
1065                 {
1066                 view_window_new_from_collection(cd, info);
1067                 }
1068         else
1069                 {
1070                 view_window_new(image_get_fd(vw->imd));
1071                 }
1072 }
1073
1074 static void view_edit_cb(GtkWidget *widget, gpointer data)
1075 {
1076         ViewWindow *vw;
1077         ImageWindow *imd;
1078         const gchar *key = data;
1079
1080         vw = submenu_item_get_data(widget);
1081         if (!vw) return;
1082
1083         if (!editor_window_flag_set(key))
1084                 {
1085                 view_fullscreen_toggle(vw, TRUE);
1086                 }
1087
1088         imd = view_window_active_image(vw);
1089         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1090 }
1091
1092 static void view_alter_cb(GtkWidget *widget, gpointer data)
1093 {
1094         ViewWindow *vw;
1095         AlterType type;
1096
1097         vw = submenu_item_get_data(widget);
1098         type = GPOINTER_TO_INT(data);
1099
1100         if (!vw) return;
1101         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1102 }
1103
1104 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1105 {
1106         ViewWindow *vw = data;
1107         ImageWindow *imd;
1108
1109         imd = view_window_active_image(vw);
1110         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1111 }
1112
1113 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1114 {
1115         ViewWindow *vw = data;
1116
1117         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1118 }
1119
1120 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1121 {
1122         ViewWindow *vw = data;
1123
1124         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1125 }
1126
1127 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1128 {
1129         ViewWindow *vw = data;
1130
1131         image_zoom_set(view_window_active_image(vw), 1.0);
1132 }
1133
1134 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1135 {
1136         ViewWindow *vw = data;
1137
1138         image_zoom_set(view_window_active_image(vw), 0.0);
1139 }
1140
1141 static void view_copy_cb(GtkWidget *widget, gpointer data)
1142 {
1143         ViewWindow *vw = data;
1144         ImageWindow *imd;
1145
1146         imd = view_window_active_image(vw);
1147         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1148 }
1149
1150 static void view_move_cb(GtkWidget *widget, gpointer data)
1151 {
1152         ViewWindow *vw = data;
1153         ImageWindow *imd;
1154
1155         imd = view_window_active_image(vw);
1156         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1157 }
1158
1159 static void view_rename_cb(GtkWidget *widget, gpointer data)
1160 {
1161         ViewWindow *vw = data;
1162         ImageWindow *imd;
1163
1164         imd = view_window_active_image(vw);
1165         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1166 }
1167
1168 static void view_delete_cb(GtkWidget *widget, gpointer data)
1169 {
1170         ViewWindow *vw = data;
1171         ImageWindow *imd;
1172
1173         imd = view_window_active_image(vw);
1174         options->file_ops.safe_delete_enable = FALSE;
1175         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1176 }
1177
1178 static void view_move_to_trash_cb(GtkWidget *widget, gpointer data)
1179 {
1180         ViewWindow *vw = data;
1181         ImageWindow *imd;
1182
1183         imd = view_window_active_image(vw);
1184         options->file_ops.safe_delete_enable = TRUE;
1185         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1186 }
1187
1188 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1189 {
1190         ViewWindow *vw = data;
1191         ImageWindow *imd;
1192
1193         imd = view_window_active_image(vw);
1194         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1195 }
1196
1197 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1198 {
1199         ViewWindow *vw = data;
1200         ImageWindow *imd;
1201
1202         imd = view_window_active_image(vw);
1203         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1204 }
1205
1206 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1207 {
1208         ViewWindow *vw = data;
1209
1210         view_fullscreen_toggle(vw, FALSE);
1211 }
1212
1213 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1214 {
1215         ViewWindow *vw = data;
1216
1217         view_slideshow_start(vw);
1218 }
1219
1220 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1221 {
1222         ViewWindow *vw = data;
1223
1224         view_slideshow_stop(vw);
1225 }
1226
1227 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1228 {
1229         ViewWindow *vw = data;
1230
1231         slideshow_pause_toggle(vw->ss);
1232 }
1233
1234 static void view_close_cb(GtkWidget *widget, gpointer data)
1235 {
1236         ViewWindow *vw = data;
1237
1238         view_window_close(vw);
1239 }
1240
1241 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1242 {
1243         LayoutWindow *nw;
1244
1245         nw = layout_new(NULL, NULL);
1246         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1247         layout_set_fd(nw, fd);
1248         return nw;
1249 }
1250
1251
1252 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1253 {
1254         ViewWindow *vw = data;
1255         LayoutWindow *lw;
1256         ImageWindow *imd;
1257
1258         imd = view_window_active_image(vw);
1259
1260         if (!imd || !imd->image_fd) return;
1261
1262         lw = layout_find_by_image_fd(imd);
1263         if (lw)
1264                 layout_set_fd(lw, imd->image_fd);
1265         else
1266                 view_new_layout_with_fd(imd->image_fd);
1267         view_window_close(vw);
1268 }
1269
1270 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1271 {
1272         GList *editmenu_fd_list = data;
1273
1274         filelist_free(editmenu_fd_list);
1275 }
1276
1277 static GList *view_window_get_fd_list(ViewWindow *vw)
1278 {
1279         GList *list = NULL;
1280         ImageWindow *imd = view_window_active_image(vw);
1281
1282         if (imd)
1283                 {
1284                 FileData *fd = image_get_fd(imd);
1285                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1286                 }
1287
1288         return list;
1289 }
1290
1291 /**
1292  * @brief Add file selection list to a collection
1293  * @param[in] widget
1294  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1295  *
1296  *
1297  */
1298 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1299 {
1300         ViewWindow *vw;
1301         ImageWindow *imd;
1302         FileData *fd;
1303         GList *selection_list = NULL;
1304
1305         vw = submenu_item_get_data(widget);
1306         imd = view_window_active_image(vw);
1307         fd = image_get_fd(imd);
1308         selection_list = g_list_append(selection_list, fd);
1309         pop_menu_collections(selection_list, data);
1310
1311         filelist_free(selection_list);
1312 }
1313
1314 static GtkWidget *view_popup_menu(ViewWindow *vw)
1315 {
1316         GtkWidget *menu;
1317         GtkWidget *submenu;
1318         GtkWidget *item;
1319         GList *editmenu_fd_list;
1320
1321         menu = popup_menu_short_lived();
1322
1323
1324         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1325         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1326         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1327         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1328         menu_item_add_divider(menu);
1329
1330         editmenu_fd_list = view_window_get_fd_list(vw);
1331         g_signal_connect(G_OBJECT(menu), "destroy",
1332                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1333         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1334         menu_item_add_divider(item);
1335 #if !GTK_CHECK_VERSION(3,0,0)
1336         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1337 #endif
1338         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1339
1340         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1341         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1342
1343         menu_item_add_divider(menu);
1344         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1345         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1346         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1347         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1348         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1349
1350         menu_item_add_divider(menu);
1351         menu_item_add_stock(menu,
1352                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1353                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH,
1354                                 G_CALLBACK(view_move_to_trash_cb), vw);
1355         menu_item_add_stock(menu,
1356                                 options->file_ops.confirm_delete ? _("_Delete...") :
1357                                         _("_Delete"), GTK_STOCK_DELETE,
1358                                 G_CALLBACK(view_delete_cb), vw);
1359
1360         menu_item_add_divider(menu);
1361
1362         submenu_add_collections(menu, &item,
1363                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1364         gtk_widget_set_sensitive(item, TRUE);
1365         menu_item_add_divider(menu);
1366
1367         if (vw->ss)
1368                 {
1369                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1370                 if (slideshow_paused(vw->ss))
1371                         {
1372                         item = menu_item_add(menu, _("Continue slides_how"),
1373                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1374                         }
1375                 else
1376                         {
1377                         item = menu_item_add(menu, _("Pause slides_how"),
1378                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1379                         }
1380                 }
1381         else
1382                 {
1383                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1384                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1385                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1386                 gtk_widget_set_sensitive(item, FALSE);
1387                 }
1388
1389         if (vw->fs)
1390                 {
1391                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1392                 }
1393         else
1394                 {
1395                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1396                 }
1397
1398         menu_item_add_divider(menu);
1399         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1400
1401         return menu;
1402 }
1403
1404 /*
1405  *-------------------------------------------------------------------
1406  * dnd confirm dir
1407  *-------------------------------------------------------------------
1408  */
1409
1410 typedef struct {
1411         ViewWindow *vw;
1412         GList *list;
1413 } CViewConfirmD;
1414
1415 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1416 {
1417         /* do nothing */
1418 }
1419
1420 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1421 {
1422         GList *work;
1423
1424         view_window_set_list(vw, NULL);
1425
1426         work = list;
1427         while (work)
1428                 {
1429                 FileData *fd = work->data;
1430                 work = work->next;
1431
1432                 if (isdir(fd->path))
1433                         {
1434                         if (!skip)
1435                                 {
1436                                 GList *list = NULL;
1437
1438                                 if (recurse)
1439                                         {
1440                                         list = filelist_recursive(fd);
1441                                         }
1442                                 else
1443                                         { /*FIXME */
1444                                         filelist_read(fd, &list, NULL);
1445                                         list = filelist_sort_path(list);
1446                                         list = filelist_filter(list, FALSE);
1447                                         }
1448                                 if (list) vw->list = g_list_concat(vw->list, list);
1449                                 }
1450                         }
1451                 else
1452                         {
1453                         /* FIXME: no filtering here */
1454                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1455                         }
1456                 }
1457
1458         if (vw->list)
1459                 {
1460                 FileData *fd;
1461
1462                 vw->list_pointer = vw->list;
1463                 fd = vw->list->data;
1464                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1465
1466                 work = vw->list->next;
1467                 if (options->image.enable_read_ahead && work)
1468                         {
1469                         fd = work->data;
1470                         image_prebuffer_set(vw->imd, fd);
1471                         }
1472                 }
1473         else
1474                 {
1475                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1476                 }
1477 }
1478
1479 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1480 {
1481         CViewConfirmD *d = data;
1482         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1483 }
1484
1485 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1486 {
1487         CViewConfirmD *d = data;
1488         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1489 }
1490
1491 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1492 {
1493         CViewConfirmD *d = data;
1494         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1495 }
1496
1497 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1498 {
1499         CViewConfirmD *d = data;
1500         filelist_free(d->list);
1501         g_free(d);
1502 }
1503
1504 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1505 {
1506         GtkWidget *menu;
1507         CViewConfirmD *d;
1508
1509         d = g_new(CViewConfirmD, 1);
1510         d->vw = vw;
1511         d->list = list;
1512
1513         menu = popup_menu_short_lived();
1514         g_signal_connect(G_OBJECT(menu), "destroy",
1515                          G_CALLBACK(view_dir_list_destroy), d);
1516
1517         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1518         menu_item_add_divider(menu);
1519         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1520         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1521         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1522         menu_item_add_divider(menu);
1523         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1524
1525         return menu;
1526 }
1527
1528 /*
1529  *-----------------------------------------------------------------------------
1530  * image drag and drop routines
1531  *-----------------------------------------------------------------------------
1532  */
1533
1534 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1535                                      gint x, gint y,
1536                                      GtkSelectionData *selection_data, guint info,
1537                                      guint time, gpointer data)
1538 {
1539         ViewWindow *vw = data;
1540         ImageWindow *imd;
1541
1542         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1543
1544         imd = vw->imd;
1545
1546         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1547                 {
1548                 CollectionData *source;
1549                 GList *list;
1550                 GList *info_list;
1551
1552                 if (info == TARGET_URI_LIST)
1553                         {
1554                         GList *work;
1555
1556                         list = uri_filelist_from_gtk_selection_data(selection_data);
1557
1558                         work = list;
1559                         while (work)
1560                                 {
1561                                 FileData *fd = work->data;
1562                                 if (isdir(fd->path))
1563                                         {
1564                                         GtkWidget *menu;
1565                                         menu = view_confirm_dir_list(vw, list);
1566                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1567                                         return;
1568                                         }
1569                                 work = work->next;
1570                                 }
1571
1572                         list = filelist_filter(list, FALSE);
1573
1574                         source = NULL;
1575                         info_list = NULL;
1576                         }
1577                 else
1578                         {
1579                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1580                         }
1581
1582                 if (list)
1583                         {
1584                         FileData *fd;
1585
1586                         fd = list->data;
1587                         if (isfile(fd->path))
1588                                 {
1589                                 view_slideshow_stop(vw);
1590                                 view_window_set_list(vw, NULL);
1591
1592                                 if (source && info_list)
1593                                         {
1594                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1595                                         }
1596                                 else
1597                                         {
1598                                         if (list->next)
1599                                                 {
1600                                                 vw->list = list;
1601                                                 list = NULL;
1602
1603                                                 vw->list_pointer = vw->list;
1604                                                 }
1605                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1606                                         }
1607                                 }
1608                         }
1609                 filelist_free(list);
1610                 g_list_free(info_list);
1611                 }
1612 }
1613
1614 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1615                                      GtkSelectionData *selection_data, guint info,
1616                                      guint time, gpointer data)
1617 {
1618         ViewWindow *vw = data;
1619         FileData *fd;
1620
1621         fd = image_get_fd(vw->imd);
1622
1623         if (fd)
1624                 {
1625                 GList *list;
1626
1627                 list = g_list_append(NULL, fd);
1628                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1629                 g_list_free(list);
1630                 }
1631         else
1632                 {
1633                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1634                                        8, NULL, 0);
1635                 }
1636 }
1637
1638 static void view_window_dnd_init(ViewWindow *vw)
1639 {
1640         ImageWindow *imd;
1641
1642         imd = vw->imd;
1643
1644         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1645                             dnd_file_drag_types, dnd_file_drag_types_count,
1646                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1647         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1648                          G_CALLBACK(view_window_set_dnd_data), vw);
1649
1650         gtk_drag_dest_set(imd->pr,
1651                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1652                           dnd_file_drop_types, dnd_file_drop_types_count,
1653                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1654         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1655                          G_CALLBACK(view_window_get_dnd_data), vw);
1656 }
1657
1658 /*
1659  *-----------------------------------------------------------------------------
1660  * maintenance (for rename, move, remove)
1661  *-----------------------------------------------------------------------------
1662  */
1663
1664 static void view_real_removed(ViewWindow *vw, FileData *fd)
1665 {
1666         ImageWindow *imd;
1667         FileData *image_fd;
1668
1669         imd = view_window_active_image(vw);
1670         image_fd = image_get_fd(imd);
1671
1672         if (image_fd && image_fd == fd)
1673                 {
1674                 if (vw->list)
1675                         {
1676                         view_list_step(vw, TRUE);
1677                         if (image_get_fd(imd) == image_fd)
1678                                 {
1679                                 view_list_step(vw, FALSE);
1680                                 }
1681                         }
1682                 else if (view_window_contains_collection(vw))
1683                         {
1684                         view_collection_step(vw, TRUE);
1685                         if (image_get_fd(imd) == image_fd)
1686                                 {
1687                                 view_collection_step(vw, FALSE);
1688                                 }
1689                         }
1690                 if (image_get_fd(imd) == image_fd)
1691                         {
1692                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1693                         }
1694                 }
1695
1696         if (vw->list)
1697                 {
1698                 GList *work;
1699                 GList *old;
1700
1701                 old = vw->list_pointer;
1702
1703                 work = vw->list;
1704                 while (work)
1705                         {
1706                         FileData *chk_fd;
1707                         GList *chk_link;
1708
1709                         chk_fd = work->data;
1710                         chk_link = work;
1711                         work = work->next;
1712
1713                         if (chk_fd == fd)
1714                                 {
1715                                 if (vw->list_pointer == chk_link)
1716                                         {
1717                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1718                                         }
1719                                 vw->list = g_list_remove(vw->list, chk_fd);
1720                                 file_data_unref(chk_fd);
1721                                 }
1722                         }
1723
1724                 /* handles stepping correctly when same image is in the list more than once */
1725                 if (old && old != vw->list_pointer)
1726                         {
1727                         FileData *fd;
1728
1729                         if (vw->list_pointer)
1730                                 {
1731                                 fd = vw->list_pointer->data;
1732                                 }
1733                         else
1734                                 {
1735                                 fd = NULL;
1736                                 }
1737
1738                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1739                         }
1740                 }
1741
1742         image_osd_update(imd);
1743 }
1744
1745 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1746 {
1747         ViewWindow *vw = data;
1748
1749         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1750
1751         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1752
1753         switch (fd->change->type)
1754                 {
1755                 case FILEDATA_CHANGE_MOVE:
1756                 case FILEDATA_CHANGE_RENAME:
1757                         break;
1758                 case FILEDATA_CHANGE_COPY:
1759                         break;
1760                 case FILEDATA_CHANGE_DELETE:
1761                         view_real_removed(vw, fd);
1762                         break;
1763                 case FILEDATA_CHANGE_UNSPECIFIED:
1764                 case FILEDATA_CHANGE_WRITE_METADATA:
1765                         break;
1766                 }
1767 }
1768 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */