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-overlay.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "menu.h"
  36 #include "misc.h"
  37 #include "pixbuf_util.h"
  38 #include "pixbuf-renderer.h"
  39 #include "print.h"
  40 #include "slideshow.h"
  41 #include "ui_fileops.h"
  42 #include "ui_menu.h"
  43 #include "uri_utils.h"
  44 #include "utilops.h"
  45 #include "window.h"
  46
  47 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  48
  49
  50 typedef struct _ViewWindow ViewWindow;
  51 struct _ViewWindow
  52 {
  53         GtkWidget *window;
  54         ImageWindow *imd;
  55         FullScreenData *fs;
  56         SlideShowData *ss;
  57
  58         GList *list;
  59         GList *list_pointer;
  60 };
  61
  62
  63 static GList *view_window_list = NULL;
  64
  65
  66 static GtkWidget *view_popup_menu(ViewWindow *vw);
  67 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  68 static void view_overlay_toggle(ViewWindow *vw);
  69
  70 static void view_slideshow_next(ViewWindow *vw);
  71 static void view_slideshow_prev(ViewWindow *vw);
  72 static void view_slideshow_start(ViewWindow *vw);
  73 static void view_slideshow_stop(ViewWindow *vw);
  74
  75 static void view_window_close(ViewWindow *vw);
  76
  77 static void view_window_dnd_init(ViewWindow *vw);
  78
  79 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  80
  81 /*
  82  *-----------------------------------------------------------------------------
  83  * misc
  84  *-----------------------------------------------------------------------------
  85  */
  86
  87 static ImageWindow *view_window_active_image(ViewWindow *vw)
  88 {
  89         if (vw->fs) return vw->fs->imd;
  90
  91         return vw->imd;
  92 }
  93
  94 static void view_window_set_list(ViewWindow *vw, GList *list)
  95 {
  96
  97         filelist_free(vw->list);
  98         vw->list = NULL;
  99         vw->list_pointer = NULL;
 100
 101         vw->list = filelist_copy(list);
 102 }
 103
 104 static gboolean view_window_contains_collection(ViewWindow *vw)
 105 {
 106         CollectionData *cd;
 107         CollectInfo *info;
 108
 109         cd = image_get_collection(view_window_active_image(vw), &info);
 110
 111         return (cd && info);
 112 }
 113
 114 static void view_collection_step(ViewWindow *vw, gboolean next)
 115 {
 116         ImageWindow *imd = view_window_active_image(vw);
 117         CollectionData *cd;
 118         CollectInfo *info;
 119         CollectInfo *read_ahead_info = NULL;
 120
 121         cd = image_get_collection(imd, &info);
 122
 123         if (!cd || !info) return;
 124
 125         if (next)
 126                 {
 127                 info = collection_next_by_info(cd, info);
 128                 if (options->image.enable_read_ahead)
 129                         {
 130                         read_ahead_info = collection_next_by_info(cd, info);
 131                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 132                         }
 133                 }
 134         else
 135                 {
 136                 info = collection_prev_by_info(cd, info);
 137                 if (options->image.enable_read_ahead)
 138                         {
 139                         read_ahead_info = collection_prev_by_info(cd, info);
 140                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 141                         }
 142                 }
 143
 144         if (info)
 145                 {
 146                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 147
 148                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 149                 }
 150
 151 }
 152
 153 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 154 {
 155         ImageWindow *imd = view_window_active_image(vw);
 156         CollectionData *cd;
 157         CollectInfo *info;
 158         CollectInfo *read_ahead_info = NULL;
 159
 160         cd = image_get_collection(imd, &info);
 161
 162         if (!cd || !info) return;
 163
 164         if (last)
 165                 {
 166                 info = collection_get_last(cd);
 167                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 168                 }
 169         else
 170                 {
 171                 info = collection_get_first(cd);
 172                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 173                 }
 174
 175         if (info)
 176                 {
 177                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 178                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 179                 }
 180 }
 181
 182 static void view_list_step(ViewWindow *vw, gboolean next)
 183 {
 184         ImageWindow *imd = view_window_active_image(vw);
 185         FileData *fd;
 186         GList *work;
 187         GList *work_ahead;
 188
 189         if (!vw->list) return;
 190
 191         fd = image_get_fd(imd);
 192         if (!fd) return;
 193
 194         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 195                 {
 196                 work = vw->list_pointer;
 197                 }
 198         else
 199                 {
 200                 gboolean found = FALSE;
 201
 202                 work = vw->list;
 203                 while (work && !found)
 204                         {
 205                         FileData *temp;
 206
 207                         temp = work->data;
 208
 209                         if (fd == temp)
 210                                 {
 211                                 found = TRUE;
 212                                 }
 213                         else
 214                                 {
 215                                 work = work->next;
 216                                 }
 217                         }
 218                 }
 219         if (!work) return;
 220
 221         work_ahead = NULL;
 222         if (next)
 223                 {
 224                 work = work->next;
 225                 if (work) work_ahead = work->next;
 226                 }
 227         else
 228                 {
 229                 work = work->prev;
 230                 if (work) work_ahead = work->prev;
 231                 }
 232
 233         if (!work) return;
 234
 235         vw->list_pointer = work;
 236         fd = work->data;
 237         image_change_fd(imd, fd, image_zoom_get_default(imd));
 238
 239         if (options->image.enable_read_ahead && work_ahead)
 240                 {
 241                 FileData *next_fd = work_ahead->data;
 242                 image_prebuffer_set(imd, next_fd);
 243                 }
 244 }
 245
 246 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 247 {
 248         ImageWindow *imd = view_window_active_image(vw);
 249         FileData *fd;
 250         GList *work;
 251         GList *work_ahead;
 252
 253         if (!vw->list) return;
 254
 255         if (last)
 256                 {
 257                 work = g_list_last(vw->list);
 258                 work_ahead = work->prev;
 259                 }
 260         else
 261                 {
 262                 work = vw->list;
 263                 work_ahead = work->next;
 264                 }
 265
 266         vw->list_pointer = work;
 267         fd = work->data;
 268         image_change_fd(imd, fd, image_zoom_get_default(imd));
 269
 270         if (options->image.enable_read_ahead && work_ahead)
 271                 {
 272                 FileData *next_fd = work_ahead->data;
 273                 image_prebuffer_set(imd, next_fd);
 274                 }
 275 }
 276
 277 static void view_step_next(ViewWindow *vw)
 278 {
 279         if (vw->ss)
 280                 {
 281                 view_slideshow_next(vw);
 282                 }
 283         else if (vw->list)
 284                 {
 285                 view_list_step(vw, TRUE);
 286                 }
 287         else
 288                 {
 289                 view_collection_step(vw, TRUE);
 290                 }
 291 }
 292
 293 static void view_step_prev(ViewWindow *vw)
 294 {
 295         if (vw->ss)
 296                 {
 297                 view_slideshow_prev(vw);
 298                 }
 299         else if (vw->list)
 300                 {
 301                 view_list_step(vw, FALSE);
 302                 }
 303         else
 304                 {
 305                 view_collection_step(vw, FALSE);
 306                 }
 307 }
 308
 309 static void view_step_to_end(ViewWindow *vw, gboolean last)
 310 {
 311         if (vw->list)
 312                 {
 313                 view_list_step_to_end(vw, last);
 314                 }
 315         else
 316                 {
 317                 view_collection_step_to_end(vw, last);
 318                 }
 319 }
 320
 321 /*
 322  *-----------------------------------------------------------------------------
 323  * view window keyboard
 324  *-----------------------------------------------------------------------------
 325  */
 326
 327 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 328 {
 329         ViewWindow *vw = data;
 330         ImageWindow *imd;
 331
 332         imd = view_window_active_image(vw);
 333         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 334         popup_menu_position_clamp(menu, x, y, 0);
 335 }
 336
 337 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 338 {
 339         ViewWindow *vw = data;
 340         ImageWindow *imd;
 341         gint stop_signal;
 342         GtkWidget *menu;
 343         gint x = 0;
 344         gint y = 0;
 345
 346         imd = view_window_active_image(vw);
 347
 348         stop_signal = TRUE;
 349         switch (event->keyval)
 350                 {
 351                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 352                         x -= 1;
 353                         break;
 354                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 355                         x += 1;
 356                         break;
 357                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 358                         y -= 1;
 359                         break;
 360                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 361                         y += 1;
 362                         break;
 363                 default:
 364                         stop_signal = FALSE;
 365                         break;
 366                 }
 367
 368         if (x != 0 || y!= 0)
 369                 {
 370                 if (event->state & GDK_SHIFT_MASK)
 371                         {
 372                         x *= 3;
 373                         y *= 3;
 374                         }
 375
 376                 keyboard_scroll_calc(&x, &y, event);
 377                 image_scroll(imd, x, y);
 378                 }
 379
 380         if (stop_signal) return stop_signal;
 381
 382         if (event->state & GDK_CONTROL_MASK)
 383                 {
 384                 stop_signal = TRUE;
 385                 switch (event->keyval)
 386                         {
 387                         case '1':
 388                         case '2':
 389                         case '3':
 390                         case '4':
 391                         case '5':
 392                         case '6':
 393                         case '7':
 394                         case '8':
 395                         case '9':
 396                         case '0':
 397                                 break;
 398                         case 'C': case 'c':
 399                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 400                                 break;
 401                         case 'M': case 'm':
 402                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 403                                 break;
 404                         case 'R': case 'r':
 405                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 406                                 break;
 407                         case 'D': case 'd':
 408                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 409                                 break;
 410                         case 'W': case 'w':
 411                                 view_window_close(vw);
 412                                 break;
 413                         default:
 414                                 stop_signal = FALSE;
 415                                 break;
 416                         }
 417                 }
 418         else if (event->state & GDK_SHIFT_MASK)
 419                 {
 420                 stop_signal = TRUE;
 421                 switch (event->keyval)
 422                         {
 423                         case 'R': case 'r':
 424                                 image_alter_orientation(imd, ALTER_ROTATE_180);
 425                                 break;
 426                         case 'M': case 'm':
 427                                 image_alter_orientation(imd, ALTER_MIRROR);
 428                                 break;
 429                         case 'F': case 'f':
 430                                 image_alter_orientation(imd, ALTER_FLIP);
 431                                 break;
 432                         case 'G': case 'g':
 433                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 434                                 break;
 435                         case 'P': case 'p':
 436                                 {
 437                                 FileData *fd;
 438
 439                                 view_fullscreen_toggle(vw, TRUE);
 440                                 imd = view_window_active_image(vw);
 441                                 fd = image_get_fd(imd);
 442                                 print_window_new(fd,
 443                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 444                                                  filelist_copy(vw->list), vw->window);
 445                                 }
 446                                 break;
 447                         default:
 448                                 stop_signal = FALSE;
 449                                 break;
 450                         }
 451                 }
 452         else
 453                 {
 454                 stop_signal = TRUE;
 455                 switch (event->keyval)
 456                         {
 457                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 458                         case GDK_KEY_BackSpace:
 459                         case 'B': case 'b':
 460                                 view_step_prev(vw);
 461                                 break;
 462                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 463                         case GDK_KEY_space:
 464                         case 'N': case 'n':
 465                                 view_step_next(vw);
 466                                 break;
 467                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 468                                 view_step_to_end(vw, FALSE);
 469                                 break;
 470                         case GDK_KEY_End: case GDK_KEY_KP_End:
 471                                 view_step_to_end(vw, TRUE);
 472                                 break;
 473                         case '+': case '=': case GDK_KEY_KP_Add:
 474                                 image_zoom_adjust(imd, get_zoom_increment());
 475                                 break;
 476                         case '-': case GDK_KEY_KP_Subtract:
 477                                 image_zoom_adjust(imd, -get_zoom_increment());
 478                                 break;
 479                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 480                                 image_zoom_set(imd, 0.0);
 481                                 break;
 482                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 483                                 image_zoom_set(imd, 1.0);
 484                                 break;
 485                         case '2':
 486                                 image_zoom_set(imd, 2.0);
 487                                 break;
 488                         case '3':
 489                                 image_zoom_set(imd, 3.0);
 490                                 break;
 491                         case '4':
 492                                 image_zoom_set(imd, 4.0);
 493                                 break;
 494                         case '7':
 495                                 image_zoom_set(imd, -4.0);
 496                                 break;
 497                         case '8':
 498                                 image_zoom_set(imd, -3.0);
 499                                 break;
 500                         case '9':
 501                                 image_zoom_set(imd, -2.0);
 502                                 break;
 503                         case 'W': case 'w':
 504                                 image_zoom_set_fill_geometry(imd, FALSE);
 505                                 break;
 506                         case 'H': case 'h':
 507                                 image_zoom_set_fill_geometry(imd, TRUE);
 508                                 break;
 509                         case 'R': case 'r':
 510                                 image_reload(imd);
 511                                 break;
 512                         case 'S': case 's':
 513                                 if (vw->ss)
 514                                         {
 515                                         view_slideshow_stop(vw);
 516                                         }
 517                                 else
 518                                         {
 519                                         view_slideshow_start(vw);
 520                                         }
 521                                 break;
 522                         case 'P': case 'p':
 523                                 slideshow_pause_toggle(vw->ss);
 524                                 break;
 525                         case 'F': case 'f':
 526                         case 'V': case 'v':
 527                         case GDK_KEY_F11:
 528                                 view_fullscreen_toggle(vw, FALSE);
 529                                 break;
 530                         case 'I': case 'i':
 531                                 view_overlay_toggle(vw);
 532                                 break;
 533                         case ']':
 534                                 image_alter_orientation(imd, ALTER_ROTATE_90);
 535                                 break;
 536                         case '[':
 537                                 image_alter_orientation(imd, ALTER_ROTATE_90_CC);
 538                                 break;
 539                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 540                                 if (options->file_ops.enable_delete_key)
 541                                         {
 542                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 543                                         }
 544                                 break;
 545                         case GDK_KEY_Escape:
 546                                 if (vw->fs)
 547                                         {
 548                                         view_fullscreen_toggle(vw, TRUE);
 549                                         }
 550                                 else
 551                                         {
 552                                         view_window_close(vw);
 553                                         }
 554                                 break;
 555                         case GDK_KEY_Menu:
 556                         case GDK_KEY_F10:
 557                                 menu = view_popup_menu(vw);
 558                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 559                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 560                                 break;
 561                         default:
 562                                 stop_signal = FALSE;
 563                                 break;
 564                         }
 565                 }
 566
 567         return stop_signal;
 568 }
 569
 570 /*
 571  *-----------------------------------------------------------------------------
 572  * view window main routines
 573  *-----------------------------------------------------------------------------
 574  */
 575 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 576 {
 577         ViewWindow *vw = data;
 578         GtkWidget *menu;
 579
 580         switch (event->button)
 581                 {
 582                 case MOUSE_BUTTON_LEFT:
 583                         view_step_next(vw);
 584                         break;
 585                 case MOUSE_BUTTON_MIDDLE:
 586                         view_step_prev(vw);
 587                         break;
 588                 case MOUSE_BUTTON_RIGHT:
 589                         menu = view_popup_menu(vw);
 590                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 591                         break;
 592                 default:
 593                         break;
 594                 }
 595 }
 596
 597 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 598 {
 599         ViewWindow *vw = data;
 600
 601         if (event->state & GDK_CONTROL_MASK)
 602                 {
 603                 switch (event->direction)
 604                         {
 605                         case GDK_SCROLL_UP:
 606                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 607                                 break;
 608                         case GDK_SCROLL_DOWN:
 609                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 610                                 break;
 611                         default:
 612                                 break;
 613                         }
 614                 }
 615         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 616                 {
 617                 switch (event->direction)
 618                         {
 619                         case GDK_SCROLL_UP:
 620                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 621                                 break;
 622                         case GDK_SCROLL_DOWN:
 623                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 624                                 break;
 625                         case GDK_SCROLL_LEFT:
 626                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 627                                 break;
 628                         case GDK_SCROLL_RIGHT:
 629                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 630                                 break;
 631                         default:
 632                                 break;
 633                         }
 634                 }
 635         else
 636                 {
 637                 switch (event->direction)
 638                         {
 639                         case GDK_SCROLL_UP:
 640                                 view_step_prev(vw);
 641                                 break;
 642                         case GDK_SCROLL_DOWN:
 643                                 view_step_next(vw);
 644                                 break;
 645                         default:
 646                                 break;
 647                         }
 648                 }
 649 }
 650
 651 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 652 {
 653         image_set_button_func(imd, button_cb, vw);
 654         image_set_scroll_func(imd, scroll_cb, vw);
 655 }
 656
 657 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 658 {
 659         ViewWindow *vw = data;
 660
 661         vw->fs = NULL;
 662
 663         if (vw->ss) vw->ss->imd = vw->imd;
 664 }
 665
 666 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 667 {
 668         if (force_off && !vw->fs) return;
 669
 670         if (vw->fs)
 671                 {
 672                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 673                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 674
 675                 fullscreen_stop(vw->fs);
 676                 }
 677         else
 678                 {
 679                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 680
 681                 view_image_set_buttons(vw, vw->fs->imd);
 682                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 683                                  G_CALLBACK(view_window_key_press_cb), vw);
 684
 685                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 686
 687                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 688                         {
 689                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 690                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 691                         }
 692                 }
 693 }
 694
 695 static void view_overlay_toggle(ViewWindow *vw)
 696 {
 697         ImageWindow *imd;
 698
 699         imd = view_window_active_image(vw);
 700
 701         image_osd_toggle(imd);
 702 }
 703
 704 static void view_slideshow_next(ViewWindow *vw)
 705 {
 706         if (vw->ss) slideshow_next(vw->ss);
 707 }
 708
 709 static void view_slideshow_prev(ViewWindow *vw)
 710 {
 711         if (vw->ss) slideshow_prev(vw->ss);
 712 }
 713
 714 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 715 {
 716         ViewWindow *vw = data;
 717         GList *work;
 718         FileData *fd;
 719
 720         vw->ss = NULL;
 721
 722         work = vw->list;
 723         fd = image_get_fd(view_window_active_image(vw));
 724         while (work)
 725                 {
 726                 FileData *temp;
 727
 728                 temp = work->data;
 729                 if (fd == temp)
 730                         {
 731                         vw->list_pointer = work;
 732                         work = NULL;
 733                         }
 734                 else
 735                         {
 736                         work = work->next;
 737                         }
 738                 }
 739 }
 740
 741 static void view_slideshow_start(ViewWindow *vw)
 742 {
 743         if (!vw->ss)
 744                 {
 745                 CollectionData *cd;
 746                 CollectInfo *info;
 747
 748                 if (vw->list)
 749                         {
 750                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 751                                                                 filelist_copy(vw->list),
 752                                                                 view_slideshow_stop_func, vw);
 753                         vw->list_pointer = NULL;
 754                         return;
 755                         }
 756
 757                 cd = image_get_collection(view_window_active_image(vw), &info);
 758                 if (cd && info)
 759                         {
 760                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 761                                                                  view_slideshow_stop_func, vw, info);
 762                         }
 763                 }
 764 }
 765
 766 static void view_slideshow_stop(ViewWindow *vw)
 767 {
 768         if (vw->ss) slideshow_free(vw->ss);
 769 }
 770
 771 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 772 {
 773         ViewWindow *vw = data;
 774
 775         view_window_list = g_list_remove(view_window_list, vw);
 776
 777         view_slideshow_stop(vw);
 778         fullscreen_stop(vw->fs);
 779
 780         filelist_free(vw->list);
 781
 782         file_data_unregister_notify_func(view_window_notify_cb, vw);
 783
 784         g_free(vw);
 785 }
 786
 787 static void view_window_close(ViewWindow *vw)
 788 {
 789         view_slideshow_stop(vw);
 790         view_fullscreen_toggle(vw, TRUE);
 791         gtk_widget_destroy(vw->window);
 792 }
 793
 794 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 795 {
 796         ViewWindow *vw = data;
 797
 798         view_window_close(vw);
 799         return TRUE;
 800 }
 801
 802 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 803 {
 804         ViewWindow *vw;
 805         GtkAllocation req_size;
 806         GdkGeometry geometry;
 807         gint w, h;
 808
 809         if (!fd && !list && (!cd || !info)) return NULL;
 810
 811         vw = g_new0(ViewWindow, 1);
 812
 813         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 814
 815         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 816         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 817         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 818
 819         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 820         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 821
 822         vw->imd = image_new(FALSE);
 823         image_color_profile_set(vw->imd,
 824                                 options->color_profile.input_type,
 825                                 options->color_profile.use_image);
 826         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 827
 828         image_background_set_color_from_options(vw->imd, FALSE);
 829
 830         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 831
 832         image_auto_refresh_enable(vw->imd, TRUE);
 833         image_top_window_set_sync(vw->imd, TRUE);
 834
 835         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 836         gtk_widget_show(vw->imd->widget);
 837
 838         view_window_dnd_init(vw);
 839
 840         view_image_set_buttons(vw, vw->imd);
 841
 842         g_signal_connect(G_OBJECT(vw->window), "destroy",
 843                          G_CALLBACK(view_window_destroy_cb), vw);
 844         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 845                          G_CALLBACK(view_window_delete_cb), vw);
 846         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 847                          G_CALLBACK(view_window_key_press_cb), vw);
 848         if (cd && info)
 849                 {
 850                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 851                 if (options->image.enable_read_ahead)
 852                         {
 853                         CollectInfo * r_info = collection_next_by_info(cd, info);
 854                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 855                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 856                         }
 857                 }
 858         else if (list)
 859                 {
 860                 view_window_set_list(vw, list);
 861                 vw->list_pointer = vw->list;
 862                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 863
 864                 if (options->image.enable_read_ahead)
 865                         {
 866                         GList *work = vw->list->next;
 867                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 868                         }
 869                 }
 870         else
 871                 {
 872                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 873                 }
 874
 875         /* Wait until image is loaded otherwise size is not defined */
 876         int count;
 877         for (count = 10; count && !w && !h; count++)
 878                 {
 879                 image_get_image_size(vw->imd, &w, &h);
 880                 usleep(100000);
 881                 }
 882
 883         if (image_zoom_get(vw->imd) == 0.0)
 884                 {
 885                 image_get_image_size(vw->imd, &w, &h);
 886                 }
 887         else
 888                 {
 889                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 890                 }
 891         if (options->image.limit_window_size)
 892                 {
 893                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 894                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 895
 896                 if (w > mw) w = mw;
 897                 if (h > mh) h = mh;
 898                 }
 899
 900         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 901         req_size.x = req_size.y = 0;
 902         req_size.width = w;
 903         req_size.height = h;
 904         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 905
 906         gtk_widget_set_size_request(vw->imd->pr, w, h);
 907
 908         gtk_widget_show(vw->window);
 909
 910         view_window_list = g_list_append(view_window_list, vw);
 911
 912         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 913
 914         return vw;
 915 }
 916
 917 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 918 {
 919         CollectionData *cd = data;
 920
 921         collection_unref(cd);
 922 }
 923
 924 void view_window_new(FileData *fd)
 925 {
 926         GList *list;
 927
 928         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 929                 {
 930                 ViewWindow *vw;
 931                 CollectionData *cd;
 932                 CollectInfo *info;
 933
 934                 cd = collection_new(fd->path);
 935                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 936                         {
 937                         info = collection_get_first(cd);
 938                         }
 939                 else
 940                         {
 941                         collection_unref(cd);
 942                         cd = NULL;
 943                         info = NULL;
 944                         }
 945                 vw = real_view_window_new(NULL, NULL, cd, info);
 946                 if (vw && cd)
 947                         {
 948                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 949                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 950                         }
 951                 }
 952         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 953                 {
 954                 list = filelist_sort_path(list);
 955                 list = filelist_filter(list, FALSE);
 956                 real_view_window_new(NULL, list, NULL, NULL);
 957                 filelist_free(list);
 958                 }
 959         else
 960                 {
 961                 real_view_window_new(fd, NULL, NULL, NULL);
 962                 }
 963 }
 964
 965 void view_window_new_from_list(GList *list)
 966 {
 967         real_view_window_new(NULL, list, NULL, NULL);
 968 }
 969
 970 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 971 {
 972         real_view_window_new(NULL, NULL, cd, info);
 973 }
 974
 975 /*
 976  *-----------------------------------------------------------------------------
 977  * public
 978  *-----------------------------------------------------------------------------
 979  */
 980
 981 void view_window_colors_update(void)
 982 {
 983         GList *work;
 984
 985         work = view_window_list;
 986         while (work)
 987                 {
 988                 ViewWindow *vw = work->data;
 989                 work = work->next;
 990
 991                 image_background_set_color_from_options(vw->imd, !!vw->fs);
 992                 }
 993 }
 994
 995 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 996 {
 997         GList *work;
 998
 999         work = view_window_list;
1000         while (work)
1001                 {
1002                 ViewWindow *vw = work->data;
1003                 work = work->next;
1004
1005                 if (vw->imd == imd ||
1006                     (vw->fs && vw->fs->imd == imd))
1007                         {
1008                         if (vw->ss)
1009                                 {
1010                                 gint n;
1011                                 gint t;
1012
1013                                 n = g_list_length(vw->ss->list_done);
1014                                 t = n + g_list_length(vw->ss->list);
1015                                 if (n == 0) n = t;
1016                                 if (index) *index = n - 1;
1017                                 if (total) *total = t;
1018                                 }
1019                         else
1020                                 {
1021                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1022                                 if (total) *total = g_list_length(vw->list);
1023                                 }
1024                         return TRUE;
1025                         }
1026                 }
1027
1028         return FALSE;
1029 }
1030
1031 /*
1032  *-----------------------------------------------------------------------------
1033  * view window menu routines and callbacks
1034  *-----------------------------------------------------------------------------
1035  */
1036
1037 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1038 {
1039         ViewWindow *vw = data;
1040         CollectionData *cd;
1041         CollectInfo *info;
1042
1043         cd = image_get_collection(vw->imd, &info);
1044
1045         if (cd && info)
1046                 {
1047                 view_window_new_from_collection(cd, info);
1048                 }
1049         else
1050                 {
1051                 view_window_new(image_get_fd(vw->imd));
1052                 }
1053 }
1054
1055 static void view_edit_cb(GtkWidget *widget, gpointer data)
1056 {
1057         ViewWindow *vw;
1058         ImageWindow *imd;
1059         const gchar *key = data;
1060
1061         vw = submenu_item_get_data(widget);
1062         if (!vw) return;
1063
1064         if (!editor_window_flag_set(key))
1065                 {
1066                 view_fullscreen_toggle(vw, TRUE);
1067                 }
1068
1069         imd = view_window_active_image(vw);
1070         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1071 }
1072
1073 static void view_alter_cb(GtkWidget *widget, gpointer data)
1074 {
1075         ViewWindow *vw;
1076         AlterType type;
1077
1078         vw = submenu_item_get_data(widget);
1079         type = GPOINTER_TO_INT(data);
1080
1081         if (!vw) return;
1082         image_alter_orientation(vw->imd, type);
1083 }
1084
1085 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1086 {
1087         ViewWindow *vw = data;
1088         ImageWindow *imd;
1089
1090         imd = view_window_active_image(vw);
1091         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1092 }
1093
1094 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1095 {
1096         ViewWindow *vw = data;
1097
1098         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1099 }
1100
1101 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1102 {
1103         ViewWindow *vw = data;
1104
1105         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1106 }
1107
1108 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1109 {
1110         ViewWindow *vw = data;
1111
1112         image_zoom_set(view_window_active_image(vw), 1.0);
1113 }
1114
1115 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1116 {
1117         ViewWindow *vw = data;
1118
1119         image_zoom_set(view_window_active_image(vw), 0.0);
1120 }
1121
1122 static void view_copy_cb(GtkWidget *widget, gpointer data)
1123 {
1124         ViewWindow *vw = data;
1125         ImageWindow *imd;
1126
1127         imd = view_window_active_image(vw);
1128         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1129 }
1130
1131 static void view_move_cb(GtkWidget *widget, gpointer data)
1132 {
1133         ViewWindow *vw = data;
1134         ImageWindow *imd;
1135
1136         imd = view_window_active_image(vw);
1137         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1138 }
1139
1140 static void view_rename_cb(GtkWidget *widget, gpointer data)
1141 {
1142         ViewWindow *vw = data;
1143         ImageWindow *imd;
1144
1145         imd = view_window_active_image(vw);
1146         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1147 }
1148
1149 static void view_delete_cb(GtkWidget *widget, gpointer data)
1150 {
1151         ViewWindow *vw = data;
1152         ImageWindow *imd;
1153
1154         imd = view_window_active_image(vw);
1155         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1156 }
1157
1158 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1159 {
1160         ViewWindow *vw = data;
1161         ImageWindow *imd;
1162
1163         imd = view_window_active_image(vw);
1164         file_util_copy_path_to_clipboard(image_get_fd(imd));
1165 }
1166
1167 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1168 {
1169         ViewWindow *vw = data;
1170
1171         view_fullscreen_toggle(vw, FALSE);
1172 }
1173
1174 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1175 {
1176         ViewWindow *vw = data;
1177
1178         view_slideshow_start(vw);
1179 }
1180
1181 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1182 {
1183         ViewWindow *vw = data;
1184
1185         view_slideshow_stop(vw);
1186 }
1187
1188 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1189 {
1190         ViewWindow *vw = data;
1191
1192         slideshow_pause_toggle(vw->ss);
1193 }
1194
1195 static void view_close_cb(GtkWidget *widget, gpointer data)
1196 {
1197         ViewWindow *vw = data;
1198
1199         view_window_close(vw);
1200 }
1201
1202 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1203 {
1204         LayoutWindow *nw;
1205
1206         nw = layout_new(NULL, NULL);
1207         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1208         layout_set_fd(nw, fd);
1209         return nw;
1210 }
1211
1212
1213 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1214 {
1215         ViewWindow *vw = data;
1216         LayoutWindow *lw;
1217         ImageWindow *imd;
1218
1219         imd = view_window_active_image(vw);
1220
1221         if (!imd || !imd->image_fd) return;
1222
1223         lw = layout_find_by_image_fd(imd);
1224         if (lw)
1225                 layout_set_fd(lw, imd->image_fd);
1226         else
1227                 view_new_layout_with_fd(imd->image_fd);
1228         view_window_close(vw);
1229 }
1230
1231 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1232 {
1233         GList *editmenu_fd_list = data;
1234
1235         filelist_free(editmenu_fd_list);
1236 }
1237
1238 static GList *view_window_get_fd_list(ViewWindow *vw)
1239 {
1240         GList *list = NULL;
1241         ImageWindow *imd = view_window_active_image(vw);
1242
1243         if (imd)
1244                 {
1245                 FileData *fd = image_get_fd(imd);
1246                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1247                 }
1248
1249         return list;
1250 }
1251
1252 static GtkWidget *view_popup_menu(ViewWindow *vw)
1253 {
1254         GtkWidget *menu;
1255         GtkWidget *item;
1256         GList *editmenu_fd_list;
1257
1258         menu = popup_menu_short_lived();
1259
1260
1261         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1262         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1263         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1264         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1265         menu_item_add_divider(menu);
1266
1267         editmenu_fd_list = view_window_get_fd_list(vw);
1268         g_signal_connect(G_OBJECT(menu), "destroy",
1269                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1270         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1271         menu_item_add_divider(item);
1272         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1273
1274         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1275
1276         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1277         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1278
1279         menu_item_add_divider(menu);
1280         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1281         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1282         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1283         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1284         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1285
1286         menu_item_add_divider(menu);
1287
1288         if (vw->ss)
1289                 {
1290                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1291                 if (slideshow_paused(vw->ss))
1292                         {
1293                         item = menu_item_add(menu, _("Continue slides_how"),
1294                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1295                         }
1296                 else
1297                         {
1298                         item = menu_item_add(menu, _("Pause slides_how"),
1299                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1300                         }
1301                 }
1302         else
1303                 {
1304                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1305                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1306                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1307                 gtk_widget_set_sensitive(item, FALSE);
1308                 }
1309
1310         if (vw->fs)
1311                 {
1312                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1313                 }
1314         else
1315                 {
1316                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1317                 }
1318
1319         menu_item_add_divider(menu);
1320         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1321
1322         return menu;
1323 }
1324
1325 /*
1326  *-------------------------------------------------------------------
1327  * dnd confirm dir
1328  *-------------------------------------------------------------------
1329  */
1330
1331 typedef struct {
1332         ViewWindow *vw;
1333         GList *list;
1334 } CViewConfirmD;
1335
1336 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1337 {
1338         /* do nothing */
1339 }
1340
1341 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1342 {
1343         GList *work;
1344
1345         view_window_set_list(vw, NULL);
1346
1347         work = list;
1348         while (work)
1349                 {
1350                 FileData *fd = work->data;
1351                 work = work->next;
1352
1353                 if (isdir(fd->path))
1354                         {
1355                         if (!skip)
1356                                 {
1357                                 GList *list = NULL;
1358
1359                                 if (recurse)
1360                                         {
1361                                         list = filelist_recursive(fd);
1362                                         }
1363                                 else
1364                                         { /*FIXME */
1365                                         filelist_read(fd, &list, NULL);
1366                                         list = filelist_sort_path(list);
1367                                         list = filelist_filter(list, FALSE);
1368                                         }
1369                                 if (list) vw->list = g_list_concat(vw->list, list);
1370                                 }
1371                         }
1372                 else
1373                         {
1374                         /* FIXME: no filtering here */
1375                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1376                         }
1377                 }
1378
1379         if (vw->list)
1380                 {
1381                 FileData *fd;
1382
1383                 vw->list_pointer = vw->list;
1384                 fd = vw->list->data;
1385                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1386
1387                 work = vw->list->next;
1388                 if (options->image.enable_read_ahead && work)
1389                         {
1390                         fd = work->data;
1391                         image_prebuffer_set(vw->imd, fd);
1392                         }
1393                 }
1394         else
1395                 {
1396                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1397                 }
1398 }
1399
1400 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1401 {
1402         CViewConfirmD *d = data;
1403         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1404 }
1405
1406 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1407 {
1408         CViewConfirmD *d = data;
1409         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1410 }
1411
1412 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1413 {
1414         CViewConfirmD *d = data;
1415         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1416 }
1417
1418 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1419 {
1420         CViewConfirmD *d = data;
1421         filelist_free(d->list);
1422         g_free(d);
1423 }
1424
1425 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1426 {
1427         GtkWidget *menu;
1428         CViewConfirmD *d;
1429
1430         d = g_new(CViewConfirmD, 1);
1431         d->vw = vw;
1432         d->list = list;
1433
1434         menu = popup_menu_short_lived();
1435         g_signal_connect(G_OBJECT(menu), "destroy",
1436                          G_CALLBACK(view_dir_list_destroy), d);
1437
1438         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1439         menu_item_add_divider(menu);
1440         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1441         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1442         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1443         menu_item_add_divider(menu);
1444         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1445
1446         return menu;
1447 }
1448
1449 /*
1450  *-----------------------------------------------------------------------------
1451  * image drag and drop routines
1452  *-----------------------------------------------------------------------------
1453  */
1454
1455 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1456                                      gint x, gint y,
1457                                      GtkSelectionData *selection_data, guint info,
1458                                      guint time, gpointer data)
1459 {
1460         ViewWindow *vw = data;
1461         ImageWindow *imd;
1462
1463         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1464
1465         imd = vw->imd;
1466
1467         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1468                 {
1469                 CollectionData *source;
1470                 GList *list;
1471                 GList *info_list;
1472
1473                 if (info == TARGET_URI_LIST)
1474                         {
1475                         GList *work;
1476
1477                         list = uri_filelist_from_gtk_selection_data(selection_data);
1478
1479                         work = list;
1480                         while (work)
1481                                 {
1482                                 FileData *fd = work->data;
1483                                 if (isdir(fd->path))
1484                                         {
1485                                         GtkWidget *menu;
1486                                         menu = view_confirm_dir_list(vw, list);
1487                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1488                                         return;
1489                                         }
1490                                 work = work->next;
1491                                 }
1492
1493                         list = filelist_filter(list, FALSE);
1494
1495                         source = NULL;
1496                         info_list = NULL;
1497                         }
1498                 else
1499                         {
1500                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1501                         }
1502
1503                 if (list)
1504                         {
1505                         FileData *fd;
1506
1507                         fd = list->data;
1508                         if (isfile(fd->path))
1509                                 {
1510                                 view_slideshow_stop(vw);
1511                                 view_window_set_list(vw, NULL);
1512
1513                                 if (source && info_list)
1514                                         {
1515                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1516                                         }
1517                                 else
1518                                         {
1519                                         if (list->next)
1520                                                 {
1521                                                 vw->list = list;
1522                                                 list = NULL;
1523
1524                                                 vw->list_pointer = vw->list;
1525                                                 }
1526                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1527                                         }
1528                                 }
1529                         }
1530                 filelist_free(list);
1531                 g_list_free(info_list);
1532                 }
1533 }
1534
1535 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1536                                      GtkSelectionData *selection_data, guint info,
1537                                      guint time, gpointer data)
1538 {
1539         ViewWindow *vw = data;
1540         FileData *fd;
1541
1542         fd = image_get_fd(vw->imd);
1543
1544         if (fd)
1545                 {
1546                 GList *list;
1547
1548                 list = g_list_append(NULL, fd);
1549                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1550                 g_list_free(list);
1551                 }
1552         else
1553                 {
1554                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1555                                        8, NULL, 0);
1556                 }
1557 }
1558
1559 static void view_window_dnd_init(ViewWindow *vw)
1560 {
1561         ImageWindow *imd;
1562
1563         imd = vw->imd;
1564
1565         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1566                             dnd_file_drag_types, dnd_file_drag_types_count,
1567                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1568         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1569                          G_CALLBACK(view_window_set_dnd_data), vw);
1570
1571         gtk_drag_dest_set(imd->pr,
1572                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1573                           dnd_file_drop_types, dnd_file_drop_types_count,
1574                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1575         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1576                          G_CALLBACK(view_window_get_dnd_data), vw);
1577 }
1578
1579 /*
1580  *-----------------------------------------------------------------------------
1581  * maintenance (for rename, move, remove)
1582  *-----------------------------------------------------------------------------
1583  */
1584
1585 static void view_real_removed(ViewWindow *vw, FileData *fd)
1586 {
1587         ImageWindow *imd;
1588         FileData *image_fd;
1589
1590         imd = view_window_active_image(vw);
1591         image_fd = image_get_fd(imd);
1592
1593         if (image_fd && image_fd == fd)
1594                 {
1595                 if (vw->list)
1596                         {
1597                         view_list_step(vw, TRUE);
1598                         if (image_get_fd(imd) == image_fd)
1599                                 {
1600                                 view_list_step(vw, FALSE);
1601                                 }
1602                         }
1603                 else if (view_window_contains_collection(vw))
1604                         {
1605                         view_collection_step(vw, TRUE);
1606                         if (image_get_fd(imd) == image_fd)
1607                                 {
1608                                 view_collection_step(vw, FALSE);
1609                                 }
1610                         }
1611                 if (image_get_fd(imd) == image_fd)
1612                         {
1613                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1614                         }
1615                 }
1616
1617         if (vw->list)
1618                 {
1619                 GList *work;
1620                 GList *old;
1621
1622                 old = vw->list_pointer;
1623
1624                 work = vw->list;
1625                 while (work)
1626                         {
1627                         FileData *chk_fd;
1628                         GList *chk_link;
1629
1630                         chk_fd = work->data;
1631                         chk_link = work;
1632                         work = work->next;
1633
1634                         if (chk_fd == fd)
1635                                 {
1636                                 if (vw->list_pointer == chk_link)
1637                                         {
1638                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1639                                         }
1640                                 vw->list = g_list_remove(vw->list, chk_fd);
1641                                 file_data_unref(chk_fd);
1642                                 }
1643                         }
1644
1645                 /* handles stepping correctly when same image is in the list more than once */
1646                 if (old && old != vw->list_pointer)
1647                         {
1648                         FileData *fd;
1649
1650                         if (vw->list_pointer)
1651                                 {
1652                                 fd = vw->list_pointer->data;
1653                                 }
1654                         else
1655                                 {
1656                                 fd = NULL;
1657                                 }
1658
1659                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1660                         }
1661                 }
1662
1663         image_osd_update(imd);
1664 }
1665
1666 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1667 {
1668         ViewWindow *vw = data;
1669
1670         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1671
1672         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1673
1674         switch (fd->change->type)
1675                 {
1676                 case FILEDATA_CHANGE_MOVE:
1677                 case FILEDATA_CHANGE_RENAME:
1678                         break;
1679                 case FILEDATA_CHANGE_COPY:
1680                         break;
1681                 case FILEDATA_CHANGE_DELETE:
1682                         view_real_removed(vw, fd);
1683                         break;
1684                 case FILEDATA_CHANGE_UNSPECIFIED:
1685                 case FILEDATA_CHANGE_WRITE_METADATA:
1686                         break;
1687                 }
1688 }
1689 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */