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, imd->image_fd, ALTER_ROTATE_180);
 425                                 break;
 426                         case 'M': case 'm':
 427                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 428                                 break;
 429                         case 'F': case 'f':
 430                                 image_alter_orientation(imd, imd->image_fd, 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, imd->image_fd, ALTER_ROTATE_90);
 535                                 break;
 536                         case '[':
 537                                 image_alter_orientation(imd, imd->image_fd, 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                         if (options->image_lm_click_nav)
 584                                 view_step_next(vw);
 585                         break;
 586                 case MOUSE_BUTTON_MIDDLE:
 587                         if (options->image_lm_click_nav)
 588                                 view_step_prev(vw);
 589                         break;
 590                 case MOUSE_BUTTON_RIGHT:
 591                         menu = view_popup_menu(vw);
 592                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 593                         break;
 594                 default:
 595                         break;
 596                 }
 597 }
 598
 599 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 600 {
 601         ViewWindow *vw = data;
 602
 603         if (event->state & GDK_CONTROL_MASK)
 604                 {
 605                 switch (event->direction)
 606                         {
 607                         case GDK_SCROLL_UP:
 608                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 609                                 break;
 610                         case GDK_SCROLL_DOWN:
 611                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 612                                 break;
 613                         default:
 614                                 break;
 615                         }
 616                 }
 617         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 618                 {
 619                 switch (event->direction)
 620                         {
 621                         case GDK_SCROLL_UP:
 622                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 623                                 break;
 624                         case GDK_SCROLL_DOWN:
 625                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 626                                 break;
 627                         case GDK_SCROLL_LEFT:
 628                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 629                                 break;
 630                         case GDK_SCROLL_RIGHT:
 631                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 632                                 break;
 633                         default:
 634                                 break;
 635                         }
 636                 }
 637         else
 638                 {
 639                 switch (event->direction)
 640                         {
 641                         case GDK_SCROLL_UP:
 642                                 view_step_prev(vw);
 643                                 break;
 644                         case GDK_SCROLL_DOWN:
 645                                 view_step_next(vw);
 646                                 break;
 647                         default:
 648                                 break;
 649                         }
 650                 }
 651 }
 652
 653 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 654 {
 655         image_set_button_func(imd, button_cb, vw);
 656         image_set_scroll_func(imd, scroll_cb, vw);
 657 }
 658
 659 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 660 {
 661         ViewWindow *vw = data;
 662
 663         vw->fs = NULL;
 664
 665         if (vw->ss) vw->ss->imd = vw->imd;
 666 }
 667
 668 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 669 {
 670         if (force_off && !vw->fs) return;
 671
 672         if (vw->fs)
 673                 {
 674                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 675                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 676
 677                 fullscreen_stop(vw->fs);
 678                 }
 679         else
 680                 {
 681                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 682
 683                 view_image_set_buttons(vw, vw->fs->imd);
 684                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 685                                  G_CALLBACK(view_window_key_press_cb), vw);
 686
 687                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 688
 689                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 690                         {
 691                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 692                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 693                         }
 694                 }
 695 }
 696
 697 static void view_overlay_toggle(ViewWindow *vw)
 698 {
 699         ImageWindow *imd;
 700
 701         imd = view_window_active_image(vw);
 702
 703         image_osd_toggle(imd);
 704 }
 705
 706 static void view_slideshow_next(ViewWindow *vw)
 707 {
 708         if (vw->ss) slideshow_next(vw->ss);
 709 }
 710
 711 static void view_slideshow_prev(ViewWindow *vw)
 712 {
 713         if (vw->ss) slideshow_prev(vw->ss);
 714 }
 715
 716 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 717 {
 718         ViewWindow *vw = data;
 719         GList *work;
 720         FileData *fd;
 721
 722         vw->ss = NULL;
 723
 724         work = vw->list;
 725         fd = image_get_fd(view_window_active_image(vw));
 726         while (work)
 727                 {
 728                 FileData *temp;
 729
 730                 temp = work->data;
 731                 if (fd == temp)
 732                         {
 733                         vw->list_pointer = work;
 734                         work = NULL;
 735                         }
 736                 else
 737                         {
 738                         work = work->next;
 739                         }
 740                 }
 741 }
 742
 743 static void view_slideshow_start(ViewWindow *vw)
 744 {
 745         if (!vw->ss)
 746                 {
 747                 CollectionData *cd;
 748                 CollectInfo *info;
 749
 750                 if (vw->list)
 751                         {
 752                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 753                                                                 filelist_copy(vw->list),
 754                                                                 view_slideshow_stop_func, vw);
 755                         vw->list_pointer = NULL;
 756                         return;
 757                         }
 758
 759                 cd = image_get_collection(view_window_active_image(vw), &info);
 760                 if (cd && info)
 761                         {
 762                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 763                                                                  view_slideshow_stop_func, vw, info);
 764                         }
 765                 }
 766 }
 767
 768 static void view_slideshow_stop(ViewWindow *vw)
 769 {
 770         if (vw->ss) slideshow_free(vw->ss);
 771 }
 772
 773 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 774 {
 775         ViewWindow *vw = data;
 776
 777         view_window_list = g_list_remove(view_window_list, vw);
 778
 779         view_slideshow_stop(vw);
 780         fullscreen_stop(vw->fs);
 781
 782         filelist_free(vw->list);
 783
 784         file_data_unregister_notify_func(view_window_notify_cb, vw);
 785
 786         g_free(vw);
 787 }
 788
 789 static void view_window_close(ViewWindow *vw)
 790 {
 791         view_slideshow_stop(vw);
 792         view_fullscreen_toggle(vw, TRUE);
 793         gtk_widget_destroy(vw->window);
 794 }
 795
 796 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 797 {
 798         ViewWindow *vw = data;
 799
 800         view_window_close(vw);
 801         return TRUE;
 802 }
 803
 804 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 805 {
 806         ViewWindow *vw;
 807         GtkAllocation req_size;
 808         GdkGeometry geometry;
 809         gint w, h;
 810
 811         if (!fd && !list && (!cd || !info)) return NULL;
 812
 813         vw = g_new0(ViewWindow, 1);
 814
 815         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 816
 817         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 818         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 819         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 820
 821         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 822         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 823
 824         vw->imd = image_new(FALSE);
 825         image_color_profile_set(vw->imd,
 826                                 options->color_profile.input_type,
 827                                 options->color_profile.use_image);
 828         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 829
 830         image_background_set_color_from_options(vw->imd, FALSE);
 831
 832         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 833
 834         image_auto_refresh_enable(vw->imd, TRUE);
 835         image_top_window_set_sync(vw->imd, TRUE);
 836
 837         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 838         gtk_widget_show(vw->imd->widget);
 839
 840         view_window_dnd_init(vw);
 841
 842         view_image_set_buttons(vw, vw->imd);
 843
 844         g_signal_connect(G_OBJECT(vw->window), "destroy",
 845                          G_CALLBACK(view_window_destroy_cb), vw);
 846         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 847                          G_CALLBACK(view_window_delete_cb), vw);
 848         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 849                          G_CALLBACK(view_window_key_press_cb), vw);
 850         if (cd && info)
 851                 {
 852                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 853                 if (options->image.enable_read_ahead)
 854                         {
 855                         CollectInfo * r_info = collection_next_by_info(cd, info);
 856                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 857                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 858                         }
 859                 }
 860         else if (list)
 861                 {
 862                 view_window_set_list(vw, list);
 863                 vw->list_pointer = vw->list;
 864                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 865
 866                 if (options->image.enable_read_ahead)
 867                         {
 868                         GList *work = vw->list->next;
 869                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 870                         }
 871                 }
 872         else
 873                 {
 874                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 875                 }
 876
 877         /* Wait until image is loaded otherwise size is not defined */
 878         int count;
 879         for (count = 10; count && !w && !h; count++)
 880                 {
 881                 image_get_image_size(vw->imd, &w, &h);
 882                 usleep(100000);
 883                 }
 884
 885         if (image_zoom_get(vw->imd) == 0.0)
 886                 {
 887                 image_get_image_size(vw->imd, &w, &h);
 888                 }
 889         else
 890                 {
 891                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 892                 }
 893         if (options->image.limit_window_size)
 894                 {
 895                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 896                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 897
 898                 if (w > mw) w = mw;
 899                 if (h > mh) h = mh;
 900                 }
 901
 902         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 903         req_size.x = req_size.y = 0;
 904         req_size.width = w;
 905         req_size.height = h;
 906         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 907
 908         gtk_widget_set_size_request(vw->imd->pr, w, h);
 909
 910         gtk_widget_show(vw->window);
 911
 912         view_window_list = g_list_append(view_window_list, vw);
 913
 914         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 915
 916         return vw;
 917 }
 918
 919 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 920 {
 921         CollectionData *cd = data;
 922
 923         collection_unref(cd);
 924 }
 925
 926 void view_window_new(FileData *fd)
 927 {
 928         GList *list;
 929
 930         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 931                 {
 932                 ViewWindow *vw;
 933                 CollectionData *cd;
 934                 CollectInfo *info;
 935
 936                 cd = collection_new(fd->path);
 937                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 938                         {
 939                         info = collection_get_first(cd);
 940                         }
 941                 else
 942                         {
 943                         collection_unref(cd);
 944                         cd = NULL;
 945                         info = NULL;
 946                         }
 947                 vw = real_view_window_new(NULL, NULL, cd, info);
 948                 if (vw && cd)
 949                         {
 950                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 951                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 952                         }
 953                 }
 954         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 955                 {
 956                 list = filelist_sort_path(list);
 957                 list = filelist_filter(list, FALSE);
 958                 real_view_window_new(NULL, list, NULL, NULL);
 959                 filelist_free(list);
 960                 }
 961         else
 962                 {
 963                 real_view_window_new(fd, NULL, NULL, NULL);
 964                 }
 965 }
 966
 967 void view_window_new_from_list(GList *list)
 968 {
 969         real_view_window_new(NULL, list, NULL, NULL);
 970 }
 971
 972 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 973 {
 974         real_view_window_new(NULL, NULL, cd, info);
 975 }
 976
 977 /*
 978  *-----------------------------------------------------------------------------
 979  * public
 980  *-----------------------------------------------------------------------------
 981  */
 982
 983 void view_window_colors_update(void)
 984 {
 985         GList *work;
 986
 987         work = view_window_list;
 988         while (work)
 989                 {
 990                 ViewWindow *vw = work->data;
 991                 work = work->next;
 992
 993                 image_background_set_color_from_options(vw->imd, !!vw->fs);
 994                 }
 995 }
 996
 997 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
 998 {
 999         GList *work;
1000
1001         work = view_window_list;
1002         while (work)
1003                 {
1004                 ViewWindow *vw = work->data;
1005                 work = work->next;
1006
1007                 if (vw->imd == imd ||
1008                     (vw->fs && vw->fs->imd == imd))
1009                         {
1010                         if (vw->ss)
1011                                 {
1012                                 gint n;
1013                                 gint t;
1014
1015                                 n = g_list_length(vw->ss->list_done);
1016                                 t = n + g_list_length(vw->ss->list);
1017                                 if (n == 0) n = t;
1018                                 if (index) *index = n - 1;
1019                                 if (total) *total = t;
1020                                 }
1021                         else
1022                                 {
1023                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1024                                 if (total) *total = g_list_length(vw->list);
1025                                 }
1026                         return TRUE;
1027                         }
1028                 }
1029
1030         return FALSE;
1031 }
1032
1033 /*
1034  *-----------------------------------------------------------------------------
1035  * view window menu routines and callbacks
1036  *-----------------------------------------------------------------------------
1037  */
1038
1039 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1040 {
1041         ViewWindow *vw = data;
1042         CollectionData *cd;
1043         CollectInfo *info;
1044
1045         cd = image_get_collection(vw->imd, &info);
1046
1047         if (cd && info)
1048                 {
1049                 view_window_new_from_collection(cd, info);
1050                 }
1051         else
1052                 {
1053                 view_window_new(image_get_fd(vw->imd));
1054                 }
1055 }
1056
1057 static void view_edit_cb(GtkWidget *widget, gpointer data)
1058 {
1059         ViewWindow *vw;
1060         ImageWindow *imd;
1061         const gchar *key = data;
1062
1063         vw = submenu_item_get_data(widget);
1064         if (!vw) return;
1065
1066         if (!editor_window_flag_set(key))
1067                 {
1068                 view_fullscreen_toggle(vw, TRUE);
1069                 }
1070
1071         imd = view_window_active_image(vw);
1072         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1073 }
1074
1075 static void view_alter_cb(GtkWidget *widget, gpointer data)
1076 {
1077         ViewWindow *vw;
1078         AlterType type;
1079
1080         vw = submenu_item_get_data(widget);
1081         type = GPOINTER_TO_INT(data);
1082
1083         if (!vw) return;
1084         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1085 }
1086
1087 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1088 {
1089         ViewWindow *vw = data;
1090         ImageWindow *imd;
1091
1092         imd = view_window_active_image(vw);
1093         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1094 }
1095
1096 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1097 {
1098         ViewWindow *vw = data;
1099
1100         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1101 }
1102
1103 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1104 {
1105         ViewWindow *vw = data;
1106
1107         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1108 }
1109
1110 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1111 {
1112         ViewWindow *vw = data;
1113
1114         image_zoom_set(view_window_active_image(vw), 1.0);
1115 }
1116
1117 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1118 {
1119         ViewWindow *vw = data;
1120
1121         image_zoom_set(view_window_active_image(vw), 0.0);
1122 }
1123
1124 static void view_copy_cb(GtkWidget *widget, gpointer data)
1125 {
1126         ViewWindow *vw = data;
1127         ImageWindow *imd;
1128
1129         imd = view_window_active_image(vw);
1130         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1131 }
1132
1133 static void view_move_cb(GtkWidget *widget, gpointer data)
1134 {
1135         ViewWindow *vw = data;
1136         ImageWindow *imd;
1137
1138         imd = view_window_active_image(vw);
1139         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1140 }
1141
1142 static void view_rename_cb(GtkWidget *widget, gpointer data)
1143 {
1144         ViewWindow *vw = data;
1145         ImageWindow *imd;
1146
1147         imd = view_window_active_image(vw);
1148         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1149 }
1150
1151 static void view_delete_cb(GtkWidget *widget, gpointer data)
1152 {
1153         ViewWindow *vw = data;
1154         ImageWindow *imd;
1155
1156         imd = view_window_active_image(vw);
1157         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1158 }
1159
1160 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1161 {
1162         ViewWindow *vw = data;
1163         ImageWindow *imd;
1164
1165         imd = view_window_active_image(vw);
1166         file_util_copy_path_to_clipboard(image_get_fd(imd));
1167 }
1168
1169 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1170 {
1171         ViewWindow *vw = data;
1172
1173         view_fullscreen_toggle(vw, FALSE);
1174 }
1175
1176 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1177 {
1178         ViewWindow *vw = data;
1179
1180         view_slideshow_start(vw);
1181 }
1182
1183 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1184 {
1185         ViewWindow *vw = data;
1186
1187         view_slideshow_stop(vw);
1188 }
1189
1190 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1191 {
1192         ViewWindow *vw = data;
1193
1194         slideshow_pause_toggle(vw->ss);
1195 }
1196
1197 static void view_close_cb(GtkWidget *widget, gpointer data)
1198 {
1199         ViewWindow *vw = data;
1200
1201         view_window_close(vw);
1202 }
1203
1204 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1205 {
1206         LayoutWindow *nw;
1207
1208         nw = layout_new(NULL, NULL);
1209         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1210         layout_set_fd(nw, fd);
1211         return nw;
1212 }
1213
1214
1215 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1216 {
1217         ViewWindow *vw = data;
1218         LayoutWindow *lw;
1219         ImageWindow *imd;
1220
1221         imd = view_window_active_image(vw);
1222
1223         if (!imd || !imd->image_fd) return;
1224
1225         lw = layout_find_by_image_fd(imd);
1226         if (lw)
1227                 layout_set_fd(lw, imd->image_fd);
1228         else
1229                 view_new_layout_with_fd(imd->image_fd);
1230         view_window_close(vw);
1231 }
1232
1233 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1234 {
1235         GList *editmenu_fd_list = data;
1236
1237         filelist_free(editmenu_fd_list);
1238 }
1239
1240 static GList *view_window_get_fd_list(ViewWindow *vw)
1241 {
1242         GList *list = NULL;
1243         ImageWindow *imd = view_window_active_image(vw);
1244
1245         if (imd)
1246                 {
1247                 FileData *fd = image_get_fd(imd);
1248                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1249                 }
1250
1251         return list;
1252 }
1253
1254 static GtkWidget *view_popup_menu(ViewWindow *vw)
1255 {
1256         GtkWidget *menu;
1257         GtkWidget *item;
1258         GList *editmenu_fd_list;
1259
1260         menu = popup_menu_short_lived();
1261
1262
1263         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1264         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1265         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1266         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1267         menu_item_add_divider(menu);
1268
1269         editmenu_fd_list = view_window_get_fd_list(vw);
1270         g_signal_connect(G_OBJECT(menu), "destroy",
1271                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1272         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1273         menu_item_add_divider(item);
1274         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1275
1276         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1277
1278         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1279         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1280
1281         menu_item_add_divider(menu);
1282         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1283         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1284         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1285         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1286         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1287
1288         menu_item_add_divider(menu);
1289
1290         if (vw->ss)
1291                 {
1292                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1293                 if (slideshow_paused(vw->ss))
1294                         {
1295                         item = menu_item_add(menu, _("Continue slides_how"),
1296                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1297                         }
1298                 else
1299                         {
1300                         item = menu_item_add(menu, _("Pause slides_how"),
1301                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1302                         }
1303                 }
1304         else
1305                 {
1306                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1307                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1308                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1309                 gtk_widget_set_sensitive(item, FALSE);
1310                 }
1311
1312         if (vw->fs)
1313                 {
1314                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1315                 }
1316         else
1317                 {
1318                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1319                 }
1320
1321         menu_item_add_divider(menu);
1322         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1323
1324         return menu;
1325 }
1326
1327 /*
1328  *-------------------------------------------------------------------
1329  * dnd confirm dir
1330  *-------------------------------------------------------------------
1331  */
1332
1333 typedef struct {
1334         ViewWindow *vw;
1335         GList *list;
1336 } CViewConfirmD;
1337
1338 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1339 {
1340         /* do nothing */
1341 }
1342
1343 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1344 {
1345         GList *work;
1346
1347         view_window_set_list(vw, NULL);
1348
1349         work = list;
1350         while (work)
1351                 {
1352                 FileData *fd = work->data;
1353                 work = work->next;
1354
1355                 if (isdir(fd->path))
1356                         {
1357                         if (!skip)
1358                                 {
1359                                 GList *list = NULL;
1360
1361                                 if (recurse)
1362                                         {
1363                                         list = filelist_recursive(fd);
1364                                         }
1365                                 else
1366                                         { /*FIXME */
1367                                         filelist_read(fd, &list, NULL);
1368                                         list = filelist_sort_path(list);
1369                                         list = filelist_filter(list, FALSE);
1370                                         }
1371                                 if (list) vw->list = g_list_concat(vw->list, list);
1372                                 }
1373                         }
1374                 else
1375                         {
1376                         /* FIXME: no filtering here */
1377                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1378                         }
1379                 }
1380
1381         if (vw->list)
1382                 {
1383                 FileData *fd;
1384
1385                 vw->list_pointer = vw->list;
1386                 fd = vw->list->data;
1387                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1388
1389                 work = vw->list->next;
1390                 if (options->image.enable_read_ahead && work)
1391                         {
1392                         fd = work->data;
1393                         image_prebuffer_set(vw->imd, fd);
1394                         }
1395                 }
1396         else
1397                 {
1398                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1399                 }
1400 }
1401
1402 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1403 {
1404         CViewConfirmD *d = data;
1405         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1406 }
1407
1408 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1409 {
1410         CViewConfirmD *d = data;
1411         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1412 }
1413
1414 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1415 {
1416         CViewConfirmD *d = data;
1417         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1418 }
1419
1420 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1421 {
1422         CViewConfirmD *d = data;
1423         filelist_free(d->list);
1424         g_free(d);
1425 }
1426
1427 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1428 {
1429         GtkWidget *menu;
1430         CViewConfirmD *d;
1431
1432         d = g_new(CViewConfirmD, 1);
1433         d->vw = vw;
1434         d->list = list;
1435
1436         menu = popup_menu_short_lived();
1437         g_signal_connect(G_OBJECT(menu), "destroy",
1438                          G_CALLBACK(view_dir_list_destroy), d);
1439
1440         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1441         menu_item_add_divider(menu);
1442         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1443         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1444         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1445         menu_item_add_divider(menu);
1446         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1447
1448         return menu;
1449 }
1450
1451 /*
1452  *-----------------------------------------------------------------------------
1453  * image drag and drop routines
1454  *-----------------------------------------------------------------------------
1455  */
1456
1457 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1458                                      gint x, gint y,
1459                                      GtkSelectionData *selection_data, guint info,
1460                                      guint time, gpointer data)
1461 {
1462         ViewWindow *vw = data;
1463         ImageWindow *imd;
1464
1465         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1466
1467         imd = vw->imd;
1468
1469         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1470                 {
1471                 CollectionData *source;
1472                 GList *list;
1473                 GList *info_list;
1474
1475                 if (info == TARGET_URI_LIST)
1476                         {
1477                         GList *work;
1478
1479                         list = uri_filelist_from_gtk_selection_data(selection_data);
1480
1481                         work = list;
1482                         while (work)
1483                                 {
1484                                 FileData *fd = work->data;
1485                                 if (isdir(fd->path))
1486                                         {
1487                                         GtkWidget *menu;
1488                                         menu = view_confirm_dir_list(vw, list);
1489                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1490                                         return;
1491                                         }
1492                                 work = work->next;
1493                                 }
1494
1495                         list = filelist_filter(list, FALSE);
1496
1497                         source = NULL;
1498                         info_list = NULL;
1499                         }
1500                 else
1501                         {
1502                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1503                         }
1504
1505                 if (list)
1506                         {
1507                         FileData *fd;
1508
1509                         fd = list->data;
1510                         if (isfile(fd->path))
1511                                 {
1512                                 view_slideshow_stop(vw);
1513                                 view_window_set_list(vw, NULL);
1514
1515                                 if (source && info_list)
1516                                         {
1517                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1518                                         }
1519                                 else
1520                                         {
1521                                         if (list->next)
1522                                                 {
1523                                                 vw->list = list;
1524                                                 list = NULL;
1525
1526                                                 vw->list_pointer = vw->list;
1527                                                 }
1528                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1529                                         }
1530                                 }
1531                         }
1532                 filelist_free(list);
1533                 g_list_free(info_list);
1534                 }
1535 }
1536
1537 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1538                                      GtkSelectionData *selection_data, guint info,
1539                                      guint time, gpointer data)
1540 {
1541         ViewWindow *vw = data;
1542         FileData *fd;
1543
1544         fd = image_get_fd(vw->imd);
1545
1546         if (fd)
1547                 {
1548                 GList *list;
1549
1550                 list = g_list_append(NULL, fd);
1551                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1552                 g_list_free(list);
1553                 }
1554         else
1555                 {
1556                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1557                                        8, NULL, 0);
1558                 }
1559 }
1560
1561 static void view_window_dnd_init(ViewWindow *vw)
1562 {
1563         ImageWindow *imd;
1564
1565         imd = vw->imd;
1566
1567         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1568                             dnd_file_drag_types, dnd_file_drag_types_count,
1569                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1570         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1571                          G_CALLBACK(view_window_set_dnd_data), vw);
1572
1573         gtk_drag_dest_set(imd->pr,
1574                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1575                           dnd_file_drop_types, dnd_file_drop_types_count,
1576                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1577         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1578                          G_CALLBACK(view_window_get_dnd_data), vw);
1579 }
1580
1581 /*
1582  *-----------------------------------------------------------------------------
1583  * maintenance (for rename, move, remove)
1584  *-----------------------------------------------------------------------------
1585  */
1586
1587 static void view_real_removed(ViewWindow *vw, FileData *fd)
1588 {
1589         ImageWindow *imd;
1590         FileData *image_fd;
1591
1592         imd = view_window_active_image(vw);
1593         image_fd = image_get_fd(imd);
1594
1595         if (image_fd && image_fd == fd)
1596                 {
1597                 if (vw->list)
1598                         {
1599                         view_list_step(vw, TRUE);
1600                         if (image_get_fd(imd) == image_fd)
1601                                 {
1602                                 view_list_step(vw, FALSE);
1603                                 }
1604                         }
1605                 else if (view_window_contains_collection(vw))
1606                         {
1607                         view_collection_step(vw, TRUE);
1608                         if (image_get_fd(imd) == image_fd)
1609                                 {
1610                                 view_collection_step(vw, FALSE);
1611                                 }
1612                         }
1613                 if (image_get_fd(imd) == image_fd)
1614                         {
1615                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1616                         }
1617                 }
1618
1619         if (vw->list)
1620                 {
1621                 GList *work;
1622                 GList *old;
1623
1624                 old = vw->list_pointer;
1625
1626                 work = vw->list;
1627                 while (work)
1628                         {
1629                         FileData *chk_fd;
1630                         GList *chk_link;
1631
1632                         chk_fd = work->data;
1633                         chk_link = work;
1634                         work = work->next;
1635
1636                         if (chk_fd == fd)
1637                                 {
1638                                 if (vw->list_pointer == chk_link)
1639                                         {
1640                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1641                                         }
1642                                 vw->list = g_list_remove(vw->list, chk_fd);
1643                                 file_data_unref(chk_fd);
1644                                 }
1645                         }
1646
1647                 /* handles stepping correctly when same image is in the list more than once */
1648                 if (old && old != vw->list_pointer)
1649                         {
1650                         FileData *fd;
1651
1652                         if (vw->list_pointer)
1653                                 {
1654                                 fd = vw->list_pointer->data;
1655                                 }
1656                         else
1657                                 {
1658                                 fd = NULL;
1659                                 }
1660
1661                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1662                         }
1663                 }
1664
1665         image_osd_update(imd);
1666 }
1667
1668 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1669 {
1670         ViewWindow *vw = data;
1671
1672         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1673
1674         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1675
1676         switch (fd->change->type)
1677                 {
1678                 case FILEDATA_CHANGE_MOVE:
1679                 case FILEDATA_CHANGE_RENAME:
1680                         break;
1681                 case FILEDATA_CHANGE_COPY:
1682                         break;
1683                 case FILEDATA_CHANGE_DELETE:
1684                         view_real_removed(vw, fd);
1685                         break;
1686                 case FILEDATA_CHANGE_UNSPECIFIED:
1687                 case FILEDATA_CHANGE_WRITE_METADATA:
1688                         break;
1689                 }
1690 }
1691 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */