src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2010 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "img-view.h"
  16
  17 #include "collect.h"
  18 #include "collect-io.h"
  19 #include "dnd.h"
  20 #include "editors.h"
  21 #include "filedata.h"
  22 #include "fullscreen.h"
  23 #include "image.h"
  24 #include "image-overlay.h"
  25 #include "layout.h"
  26 #include "layout_image.h"
  27 #include "menu.h"
  28 #include "misc.h"
  29 #include "pixbuf_util.h"
  30 #include "pixbuf-renderer.h"
  31 #include "print.h"
  32 #include "slideshow.h"
  33 #include "ui_fileops.h"
  34 #include "ui_menu.h"
  35 #include "uri_utils.h"
  36 #include "utilops.h"
  37 #include "window.h"
  38
  39 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  40
  41
  42 typedef struct _ViewWindow ViewWindow;
  43 struct _ViewWindow
  44 {
  45         GtkWidget *window;
  46         ImageWindow *imd;
  47         FullScreenData *fs;
  48         SlideShowData *ss;
  49
  50         GList *list;
  51         GList *list_pointer;
  52 };
  53
  54
  55 static GList *view_window_list = NULL;
  56
  57
  58 static GtkWidget *view_popup_menu(ViewWindow *vw);
  59 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  60 static void view_overlay_toggle(ViewWindow *vw);
  61
  62 static void view_slideshow_next(ViewWindow *vw);
  63 static void view_slideshow_prev(ViewWindow *vw);
  64 static void view_slideshow_start(ViewWindow *vw);
  65 static void view_slideshow_stop(ViewWindow *vw);
  66
  67 static void view_window_close(ViewWindow *vw);
  68
  69 static void view_window_dnd_init(ViewWindow *vw);
  70
  71 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  72
  73 /*
  74  *-----------------------------------------------------------------------------
  75  * misc
  76  *-----------------------------------------------------------------------------
  77  */
  78
  79 static ImageWindow *view_window_active_image(ViewWindow *vw)
  80 {
  81         if (vw->fs) return vw->fs->imd;
  82
  83         return vw->imd;
  84 }
  85
  86 static void view_window_set_list(ViewWindow *vw, GList *list)
  87 {
  88
  89         filelist_free(vw->list);
  90         vw->list = NULL;
  91         vw->list_pointer = NULL;
  92
  93         vw->list = filelist_copy(list);
  94 }
  95
  96 static gboolean view_window_contains_collection(ViewWindow *vw)
  97 {
  98         CollectionData *cd;
  99         CollectInfo *info;
 100
 101         cd = image_get_collection(view_window_active_image(vw), &info);
 102
 103         return (cd && info);
 104 }
 105
 106 static void view_collection_step(ViewWindow *vw, gboolean next)
 107 {
 108         ImageWindow *imd = view_window_active_image(vw);
 109         CollectionData *cd;
 110         CollectInfo *info;
 111         CollectInfo *read_ahead_info = NULL;
 112
 113         cd = image_get_collection(imd, &info);
 114
 115         if (!cd || !info) return;
 116
 117         if (next)
 118                 {
 119                 info = collection_next_by_info(cd, info);
 120                 if (options->image.enable_read_ahead)
 121                         {
 122                         read_ahead_info = collection_next_by_info(cd, info);
 123                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 124                         }
 125                 }
 126         else
 127                 {
 128                 info = collection_prev_by_info(cd, info);
 129                 if (options->image.enable_read_ahead)
 130                         {
 131                         read_ahead_info = collection_prev_by_info(cd, info);
 132                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 133                         }
 134                 }
 135
 136         if (info)
 137                 {
 138                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 139
 140                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 141                 }
 142
 143 }
 144
 145 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 146 {
 147         ImageWindow *imd = view_window_active_image(vw);
 148         CollectionData *cd;
 149         CollectInfo *info;
 150         CollectInfo *read_ahead_info = NULL;
 151
 152         cd = image_get_collection(imd, &info);
 153
 154         if (!cd || !info) return;
 155
 156         if (last)
 157                 {
 158                 info = collection_get_last(cd);
 159                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 160                 }
 161         else
 162                 {
 163                 info = collection_get_first(cd);
 164                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 165                 }
 166
 167         if (info)
 168                 {
 169                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 170                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 171                 }
 172 }
 173
 174 static void view_list_step(ViewWindow *vw, gboolean next)
 175 {
 176         ImageWindow *imd = view_window_active_image(vw);
 177         FileData *fd;
 178         GList *work;
 179         GList *work_ahead;
 180
 181         if (!vw->list) return;
 182
 183         fd = image_get_fd(imd);
 184         if (!fd) return;
 185
 186         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 187                 {
 188                 work = vw->list_pointer;
 189                 }
 190         else
 191                 {
 192                 gboolean found = FALSE;
 193
 194                 work = vw->list;
 195                 while (work && !found)
 196                         {
 197                         FileData *temp;
 198
 199                         temp = work->data;
 200
 201                         if (fd == temp)
 202                                 {
 203                                 found = TRUE;
 204                                 }
 205                         else
 206                                 {
 207                                 work = work->next;
 208                                 }
 209                         }
 210                 }
 211         if (!work) return;
 212
 213         work_ahead = NULL;
 214         if (next)
 215                 {
 216                 work = work->next;
 217                 if (work) work_ahead = work->next;
 218                 }
 219         else
 220                 {
 221                 work = work->prev;
 222                 if (work) work_ahead = work->prev;
 223                 }
 224
 225         if (!work) return;
 226
 227         vw->list_pointer = work;
 228         fd = work->data;
 229         image_change_fd(imd, fd, image_zoom_get_default(imd));
 230
 231         if (options->image.enable_read_ahead && work_ahead)
 232                 {
 233                 FileData *next_fd = work_ahead->data;
 234                 image_prebuffer_set(imd, next_fd);
 235                 }
 236 }
 237
 238 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 239 {
 240         ImageWindow *imd = view_window_active_image(vw);
 241         FileData *fd;
 242         GList *work;
 243         GList *work_ahead;
 244
 245         if (!vw->list) return;
 246
 247         if (last)
 248                 {
 249                 work = g_list_last(vw->list);
 250                 work_ahead = work->prev;
 251                 }
 252         else
 253                 {
 254                 work = vw->list;
 255                 work_ahead = work->next;
 256                 }
 257
 258         vw->list_pointer = work;
 259         fd = work->data;
 260         image_change_fd(imd, fd, image_zoom_get_default(imd));
 261
 262         if (options->image.enable_read_ahead && work_ahead)
 263                 {
 264                 FileData *next_fd = work_ahead->data;
 265                 image_prebuffer_set(imd, next_fd);
 266                 }
 267 }
 268
 269 static void view_step_next(ViewWindow *vw)
 270 {
 271         if (vw->ss)
 272                 {
 273                 view_slideshow_next(vw);
 274                 }
 275         else if (vw->list)
 276                 {
 277                 view_list_step(vw, TRUE);
 278                 }
 279         else
 280                 {
 281                 view_collection_step(vw, TRUE);
 282                 }
 283 }
 284
 285 static void view_step_prev(ViewWindow *vw)
 286 {
 287         if (vw->ss)
 288                 {
 289                 view_slideshow_prev(vw);
 290                 }
 291         else if (vw->list)
 292                 {
 293                 view_list_step(vw, FALSE);
 294                 }
 295         else
 296                 {
 297                 view_collection_step(vw, FALSE);
 298                 }
 299 }
 300
 301 static void view_step_to_end(ViewWindow *vw, gboolean last)
 302 {
 303         if (vw->list)
 304                 {
 305                 view_list_step_to_end(vw, last);
 306                 }
 307         else
 308                 {
 309                 view_collection_step_to_end(vw, last);
 310                 }
 311 }
 312
 313 /*
 314  *-----------------------------------------------------------------------------
 315  * view window keyboard
 316  *-----------------------------------------------------------------------------
 317  */
 318
 319 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 320 {
 321         ViewWindow *vw = data;
 322         ImageWindow *imd;
 323
 324         imd = view_window_active_image(vw);
 325         gdk_window_get_origin(imd->pr->window, x, y);
 326         popup_menu_position_clamp(menu, x, y, 0);
 327 }
 328
 329 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 330 {
 331         ViewWindow *vw = data;
 332         ImageWindow *imd;
 333         gint stop_signal;
 334         GtkWidget *menu;
 335         gint x = 0;
 336         gint y = 0;
 337
 338         imd = view_window_active_image(vw);
 339
 340         stop_signal = TRUE;
 341         switch (event->keyval)
 342                 {
 343                 case GDK_Left: case GDK_KP_Left:
 344                         x -= 1;
 345                         break;
 346                 case GDK_Right: case GDK_KP_Right:
 347                         x += 1;
 348                         break;
 349                 case GDK_Up: case GDK_KP_Up:
 350                         y -= 1;
 351                         break;
 352                 case GDK_Down: case GDK_KP_Down:
 353                         y += 1;
 354                         break;
 355                 default:
 356                         stop_signal = FALSE;
 357                         break;
 358                 }
 359
 360         if (x != 0 || y!= 0)
 361                 {
 362                 if (event->state & GDK_SHIFT_MASK)
 363                         {
 364                         x *= 3;
 365                         y *= 3;
 366                         }
 367
 368                 keyboard_scroll_calc(&x, &y, event);
 369                 image_scroll(imd, x, y);
 370                 }
 371
 372         if (stop_signal) return stop_signal;
 373
 374         if (event->state & GDK_CONTROL_MASK)
 375                 {
 376                 gint n = -1;
 377
 378                 stop_signal = TRUE;
 379                 switch (event->keyval)
 380                         {
 381                         case '1':
 382                                 n = 0;
 383                                 break;
 384                         case '2':
 385                                 n = 1;
 386                                 break;
 387                         case '3':
 388                                 n = 2;
 389                                 break;
 390                         case '4':
 391                                 n = 3;
 392                                 break;
 393                         case '5':
 394                                 n = 4;
 395                                 break;
 396                         case '6':
 397                                 n = 5;
 398                                 break;
 399                         case '7':
 400                                 n = 6;
 401                                 break;
 402                         case '8':
 403                                 n = 7;
 404                                 break;
 405                         case '9':
 406                                 n = 8;
 407                                 break;
 408                         case '0':
 409                                 n = 9;
 410                                 break;
 411                         case 'C': case 'c':
 412                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 413                                 break;
 414                         case 'M': case 'm':
 415                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 416                                 break;
 417                         case 'R': case 'r':
 418                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 419                                 break;
 420                         case 'D': case 'd':
 421                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 422                                 break;
 423                         case 'W': case 'w':
 424                                 view_window_close(vw);
 425                                 break;
 426                         default:
 427                                 stop_signal = FALSE;
 428                                 break;
 429                         }
 430                 }
 431         else if (event->state & GDK_SHIFT_MASK)
 432                 {
 433                 stop_signal = TRUE;
 434                 switch (event->keyval)
 435                         {
 436                         case 'R': case 'r':
 437                                 image_alter_orientation(imd, ALTER_ROTATE_180);
 438                                 break;
 439                         case 'M': case 'm':
 440                                 image_alter_orientation(imd, ALTER_MIRROR);
 441                                 break;
 442                         case 'F': case 'f':
 443                                 image_alter_orientation(imd, ALTER_FLIP);
 444                                 break;
 445                         case 'G': case 'g':
 446                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 447                                 break;
 448                         case 'P': case 'p':
 449                                 {
 450                                 FileData *fd;
 451
 452                                 view_fullscreen_toggle(vw, TRUE);
 453                                 imd = view_window_active_image(vw);
 454                                 fd = image_get_fd(imd);
 455                                 print_window_new(fd,
 456                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 457                                                  filelist_copy(vw->list), vw->window);
 458                                 }
 459                                 break;
 460                         default:
 461                                 stop_signal = FALSE;
 462                                 break;
 463                         }
 464                 }
 465         else
 466                 {
 467                 stop_signal = TRUE;
 468                 switch (event->keyval)
 469                         {
 470                         case GDK_Page_Up: case GDK_KP_Page_Up:
 471                         case GDK_BackSpace:
 472                         case 'B': case 'b':
 473                                 view_step_prev(vw);
 474                                 break;
 475                         case GDK_Page_Down: case GDK_KP_Page_Down:
 476                         case GDK_space:
 477                         case 'N': case 'n':
 478                                 view_step_next(vw);
 479                                 break;
 480                         case GDK_Home: case GDK_KP_Home:
 481                                 view_step_to_end(vw, FALSE);
 482                                 break;
 483                         case GDK_End: case GDK_KP_End:
 484                                 view_step_to_end(vw, TRUE);
 485                                 break;
 486                         case '+': case '=': case GDK_KP_Add:
 487                                 image_zoom_adjust(imd, get_zoom_increment());
 488                                 break;
 489                         case '-': case GDK_KP_Subtract:
 490                                 image_zoom_adjust(imd, -get_zoom_increment());
 491                                 break;
 492                         case 'X': case 'x': case GDK_KP_Multiply:
 493                                 image_zoom_set(imd, 0.0);
 494                                 break;
 495                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 496                                 image_zoom_set(imd, 1.0);
 497                                 break;
 498                         case '2':
 499                                 image_zoom_set(imd, 2.0);
 500                                 break;
 501                         case '3':
 502                                 image_zoom_set(imd, 3.0);
 503                                 break;
 504                         case '4':
 505                                 image_zoom_set(imd, 4.0);
 506                                 break;
 507                         case '7':
 508                                 image_zoom_set(imd, -4.0);
 509                                 break;
 510                         case '8':
 511                                 image_zoom_set(imd, -3.0);
 512                                 break;
 513                         case '9':
 514                                 image_zoom_set(imd, -2.0);
 515                                 break;
 516                         case 'W': case 'w':
 517                                 image_zoom_set_fill_geometry(imd, FALSE);
 518                                 break;
 519                         case 'H': case 'h':
 520                                 image_zoom_set_fill_geometry(imd, TRUE);
 521                                 break;
 522                         case 'R': case 'r':
 523                                 image_reload(imd);
 524                                 break;
 525                         case 'S': case 's':
 526                                 if (vw->ss)
 527                                         {
 528                                         view_slideshow_stop(vw);
 529                                         }
 530                                 else
 531                                         {
 532                                         view_slideshow_start(vw);
 533                                         }
 534                                 break;
 535                         case 'P': case 'p':
 536                                 slideshow_pause_toggle(vw->ss);
 537                                 break;
 538                         case 'F': case 'f':
 539                         case 'V': case 'v':
 540                         case GDK_F11:
 541                                 view_fullscreen_toggle(vw, FALSE);
 542                                 break;
 543                         case 'I': case 'i':
 544                                 view_overlay_toggle(vw);
 545                                 break;
 546                         case ']':
 547                                 image_alter_orientation(imd, ALTER_ROTATE_90);
 548                                 break;
 549                         case '[':
 550                                 image_alter_orientation(imd, ALTER_ROTATE_90_CC);
 551                                 break;
 552                         case GDK_Delete: case GDK_KP_Delete:
 553                                 if (options->file_ops.enable_delete_key)
 554                                         {
 555                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 556                                         }
 557                                 break;
 558                         case GDK_Escape:
 559                                 if (vw->fs)
 560                                         {
 561                                         view_fullscreen_toggle(vw, TRUE);
 562                                         }
 563                                 else
 564                                         {
 565                                         view_window_close(vw);
 566                                         }
 567                                 break;
 568                         case GDK_Menu:
 569                         case GDK_F10:
 570                                 menu = view_popup_menu(vw);
 571                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 572                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 573                                 break;
 574                         default:
 575                                 stop_signal = FALSE;
 576                                 break;
 577                         }
 578                 }
 579
 580         return stop_signal;
 581 }
 582
 583 /*
 584  *-----------------------------------------------------------------------------
 585  * view window main routines
 586  *-----------------------------------------------------------------------------
 587  */
 588 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 589 {
 590         ViewWindow *vw = data;
 591         GtkWidget *menu;
 592
 593         switch (event->button)
 594                 {
 595                 case MOUSE_BUTTON_LEFT:
 596                         view_step_next(vw);
 597                         break;
 598                 case MOUSE_BUTTON_MIDDLE:
 599                         view_step_prev(vw);
 600                         break;
 601                 case MOUSE_BUTTON_RIGHT:
 602                         menu = view_popup_menu(vw);
 603                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 604                         break;
 605                 default:
 606                         break;
 607                 }
 608 }
 609
 610 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 611 {
 612         ViewWindow *vw = data;
 613
 614         if (event->state & GDK_CONTROL_MASK)
 615                 {
 616                 switch (event->direction)
 617                         {
 618                         case GDK_SCROLL_UP:
 619                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 620                                 break;
 621                         case GDK_SCROLL_DOWN:
 622                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 623                                 break;
 624                         default:
 625                                 break;
 626                         }
 627                 }
 628         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 629                 {
 630                 switch (event->direction)
 631                         {
 632                         case GDK_SCROLL_UP:
 633                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 634                                 break;
 635                         case GDK_SCROLL_DOWN:
 636                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 637                                 break;
 638                         case GDK_SCROLL_LEFT:
 639                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 640                                 break;
 641                         case GDK_SCROLL_RIGHT:
 642                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 643                                 break;
 644                         default:
 645                                 break;
 646                         }
 647                 }
 648         else
 649                 {
 650                 switch (event->direction)
 651                         {
 652                         case GDK_SCROLL_UP:
 653                                 view_step_prev(vw);
 654                                 break;
 655                         case GDK_SCROLL_DOWN:
 656                                 view_step_next(vw);
 657                                 break;
 658                         default:
 659                                 break;
 660                         }
 661                 }
 662 }
 663
 664 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 665 {
 666         image_set_button_func(imd, button_cb, vw);
 667         image_set_scroll_func(imd, scroll_cb, vw);
 668 }
 669
 670 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 671 {
 672         ViewWindow *vw = data;
 673
 674         vw->fs = NULL;
 675
 676         if (vw->ss) vw->ss->imd = vw->imd;
 677 }
 678
 679 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 680 {
 681         if (force_off && !vw->fs) return;
 682
 683         if (vw->fs)
 684                 {
 685                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 686                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 687
 688                 fullscreen_stop(vw->fs);
 689                 }
 690         else
 691                 {
 692                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 693
 694                 view_image_set_buttons(vw, vw->fs->imd);
 695                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 696                                  G_CALLBACK(view_window_key_press_cb), vw);
 697
 698                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 699
 700                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 701                         {
 702                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 703                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 704                         }
 705                 }
 706 }
 707
 708 static void view_overlay_toggle(ViewWindow *vw)
 709 {
 710         ImageWindow *imd;
 711
 712         imd = view_window_active_image(vw);
 713
 714         image_osd_toggle(imd);
 715 }
 716
 717 static void view_slideshow_next(ViewWindow *vw)
 718 {
 719         if (vw->ss) slideshow_next(vw->ss);
 720 }
 721
 722 static void view_slideshow_prev(ViewWindow *vw)
 723 {
 724         if (vw->ss) slideshow_prev(vw->ss);
 725 }
 726
 727 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 728 {
 729         ViewWindow *vw = data;
 730         GList *work;
 731         FileData *fd;
 732
 733         vw->ss = NULL;
 734
 735         work = vw->list;
 736         fd = image_get_fd(view_window_active_image(vw));
 737         while (work)
 738                 {
 739                 FileData *temp;
 740
 741                 temp = work->data;
 742                 if (fd == temp)
 743                         {
 744                         vw->list_pointer = work;
 745                         work = NULL;
 746                         }
 747                 else
 748                         {
 749                         work = work->next;
 750                         }
 751                 }
 752 }
 753
 754 static void view_slideshow_start(ViewWindow *vw)
 755 {
 756         if (!vw->ss)
 757                 {
 758                 CollectionData *cd;
 759                 CollectInfo *info;
 760
 761                 if (vw->list)
 762                         {
 763                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 764                                                                 filelist_copy(vw->list),
 765                                                                 view_slideshow_stop_func, vw);
 766                         vw->list_pointer = NULL;
 767                         return;
 768                         }
 769
 770                 cd = image_get_collection(view_window_active_image(vw), &info);
 771                 if (cd && info)
 772                         {
 773                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 774                                                                  view_slideshow_stop_func, vw, info);
 775                         }
 776                 }
 777 }
 778
 779 static void view_slideshow_stop(ViewWindow *vw)
 780 {
 781         if (vw->ss) slideshow_free(vw->ss);
 782 }
 783
 784 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 785 {
 786         ViewWindow *vw = data;
 787
 788         view_window_list = g_list_remove(view_window_list, vw);
 789
 790         view_slideshow_stop(vw);
 791         fullscreen_stop(vw->fs);
 792
 793         filelist_free(vw->list);
 794
 795         file_data_unregister_notify_func(view_window_notify_cb, vw);
 796
 797         g_free(vw);
 798 }
 799
 800 static void view_window_close(ViewWindow *vw)
 801 {
 802         view_slideshow_stop(vw);
 803         view_fullscreen_toggle(vw, TRUE);
 804         gtk_widget_destroy(vw->window);
 805 }
 806
 807 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 808 {
 809         ViewWindow *vw = data;
 810
 811         view_window_close(vw);
 812         return TRUE;
 813 }
 814
 815 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 816 {
 817         ViewWindow *vw;
 818         GtkAllocation req_size;
 819         GdkGeometry geometry;
 820         gint w, h;
 821
 822         if (!fd && !list && (!cd || !info)) return NULL;
 823
 824         vw = g_new0(ViewWindow, 1);
 825
 826         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 827
 828         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 829         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 830         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 831
 832         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 833         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 834
 835         vw->imd = image_new(FALSE);
 836         image_color_profile_set(vw->imd,
 837                                 options->color_profile.input_type,
 838                                 options->color_profile.use_image);
 839         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 840
 841         image_background_set_color_from_options(vw->imd, FALSE);
 842
 843         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 844
 845         image_auto_refresh_enable(vw->imd, TRUE);
 846         image_top_window_set_sync(vw->imd, TRUE);
 847
 848         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 849         gtk_widget_show(vw->imd->widget);
 850
 851         view_window_dnd_init(vw);
 852
 853         view_image_set_buttons(vw, vw->imd);
 854
 855         g_signal_connect(G_OBJECT(vw->window), "destroy",
 856                          G_CALLBACK(view_window_destroy_cb), vw);
 857         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 858                          G_CALLBACK(view_window_delete_cb), vw);
 859         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 860                          G_CALLBACK(view_window_key_press_cb), vw);
 861         if (cd && info)
 862                 {
 863                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 864                 if (options->image.enable_read_ahead)
 865                         {
 866                         CollectInfo * r_info = collection_next_by_info(cd, info);
 867                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 868                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 869                         }
 870                 }
 871         else if (list)
 872                 {
 873                 view_window_set_list(vw, list);
 874                 vw->list_pointer = vw->list;
 875                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 876
 877                 if (options->image.enable_read_ahead)
 878                         {
 879                         GList *work = vw->list->next;
 880                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 881                         }
 882                 }
 883         else
 884                 {
 885                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 886                 }
 887
 888         /* Wait until image is loaded otherwise size is not defined */
 889         for (int count = 10; count && !w && !h; count++)
 890                 {
 891                 image_get_image_size(vw->imd, &w, &h);
 892                 usleep(100000);
 893                 }
 894
 895         if (image_zoom_get(vw->imd) == 0.0)
 896                 {
 897                 image_get_image_size(vw->imd, &w, &h);
 898                 }
 899         else
 900                 {
 901                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 902                 }
 903         if (options->image.limit_window_size)
 904                 {
 905                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 906                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 907
 908                 if (w > mw) w = mw;
 909                 if (h > mh) h = mh;
 910                 }
 911
 912         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 913         req_size.x = req_size.y = 0;
 914         req_size.width = w;
 915         req_size.height = h;
 916         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 917
 918         gtk_widget_set_size_request(vw->imd->pr, w, h);
 919
 920         gtk_widget_show(vw->window);
 921
 922         view_window_list = g_list_append(view_window_list, vw);
 923
 924         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 925
 926         return vw;
 927 }
 928
 929 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 930 {
 931         CollectionData *cd = data;
 932
 933         collection_unref(cd);
 934 }
 935
 936 void view_window_new(FileData *fd)
 937 {
 938         GList *list;
 939
 940         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 941                 {
 942                 ViewWindow *vw;
 943                 CollectionData *cd;
 944                 CollectInfo *info;
 945
 946                 cd = collection_new(fd->path);
 947                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 948                         {
 949                         info = collection_get_first(cd);
 950                         }
 951                 else
 952                         {
 953                         collection_unref(cd);
 954                         cd = NULL;
 955                         info = NULL;
 956                         }
 957                 vw = real_view_window_new(NULL, NULL, cd, info);
 958                 if (vw && cd)
 959                         {
 960                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 961                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 962                         }
 963                 }
 964         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 965                 {
 966                 list = filelist_sort_path(list);
 967                 list = filelist_filter(list, FALSE);
 968                 real_view_window_new(NULL, list, NULL, NULL);
 969                 filelist_free(list);
 970                 }
 971         else
 972                 {
 973                 real_view_window_new(fd, NULL, NULL, NULL);
 974                 }
 975 }
 976
 977 void view_window_new_from_list(GList *list)
 978 {
 979         real_view_window_new(NULL, list, NULL, NULL);
 980 }
 981
 982 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 983 {
 984         real_view_window_new(NULL, NULL, cd, info);
 985 }
 986
 987 /*
 988  *-----------------------------------------------------------------------------
 989  * public
 990  *-----------------------------------------------------------------------------
 991  */
 992
 993 void view_window_colors_update(void)
 994 {
 995         GList *work;
 996
 997         work = view_window_list;
 998         while (work)
 999                 {
1000                 ViewWindow *vw = work->data;
1001                 work = work->next;
1002
1003                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1004                 }
1005 }
1006
1007 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1008 {
1009         GList *work;
1010
1011         work = view_window_list;
1012         while (work)
1013                 {
1014                 ViewWindow *vw = work->data;
1015                 work = work->next;
1016
1017                 if (vw->imd == imd ||
1018                     (vw->fs && vw->fs->imd == imd))
1019                         {
1020                         if (vw->ss)
1021                                 {
1022                                 gint n;
1023                                 gint t;
1024
1025                                 n = g_list_length(vw->ss->list_done);
1026                                 t = n + g_list_length(vw->ss->list);
1027                                 if (n == 0) n = t;
1028                                 if (index) *index = n - 1;
1029                                 if (total) *total = t;
1030                                 }
1031                         else
1032                                 {
1033                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1034                                 if (total) *total = g_list_length(vw->list);
1035                                 }
1036                         return TRUE;
1037                         }
1038                 }
1039
1040         return FALSE;
1041 }
1042
1043 /*
1044  *-----------------------------------------------------------------------------
1045  * view window menu routines and callbacks
1046  *-----------------------------------------------------------------------------
1047  */
1048
1049 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1050 {
1051         ViewWindow *vw = data;
1052         CollectionData *cd;
1053         CollectInfo *info;
1054
1055         cd = image_get_collection(vw->imd, &info);
1056
1057         if (cd && info)
1058                 {
1059                 view_window_new_from_collection(cd, info);
1060                 }
1061         else
1062                 {
1063                 view_window_new(image_get_fd(vw->imd));
1064                 }
1065 }
1066
1067 static void view_edit_cb(GtkWidget *widget, gpointer data)
1068 {
1069         ViewWindow *vw;
1070         ImageWindow *imd;
1071         const gchar *key = data;
1072
1073         vw = submenu_item_get_data(widget);
1074         if (!vw) return;
1075
1076         if (!editor_window_flag_set(key))
1077                 {
1078                 view_fullscreen_toggle(vw, TRUE);
1079                 }
1080
1081         imd = view_window_active_image(vw);
1082         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1083 }
1084
1085 static void view_alter_cb(GtkWidget *widget, gpointer data)
1086 {
1087         ViewWindow *vw;
1088         AlterType type;
1089
1090         vw = submenu_item_get_data(widget);
1091         type = GPOINTER_TO_INT(data);
1092
1093         if (!vw) return;
1094         image_alter_orientation(vw->imd, type);
1095 }
1096
1097 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1098 {
1099         ViewWindow *vw = data;
1100         ImageWindow *imd;
1101
1102         imd = view_window_active_image(vw);
1103         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1104 }
1105
1106 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1107 {
1108         ViewWindow *vw = data;
1109
1110         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1111 }
1112
1113 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1114 {
1115         ViewWindow *vw = data;
1116
1117         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1118 }
1119
1120 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1121 {
1122         ViewWindow *vw = data;
1123
1124         image_zoom_set(view_window_active_image(vw), 1.0);
1125 }
1126
1127 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1128 {
1129         ViewWindow *vw = data;
1130
1131         image_zoom_set(view_window_active_image(vw), 0.0);
1132 }
1133
1134 static void view_copy_cb(GtkWidget *widget, gpointer data)
1135 {
1136         ViewWindow *vw = data;
1137         ImageWindow *imd;
1138
1139         imd = view_window_active_image(vw);
1140         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1141 }
1142
1143 static void view_move_cb(GtkWidget *widget, gpointer data)
1144 {
1145         ViewWindow *vw = data;
1146         ImageWindow *imd;
1147
1148         imd = view_window_active_image(vw);
1149         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1150 }
1151
1152 static void view_rename_cb(GtkWidget *widget, gpointer data)
1153 {
1154         ViewWindow *vw = data;
1155         ImageWindow *imd;
1156
1157         imd = view_window_active_image(vw);
1158         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1159 }
1160
1161 static void view_delete_cb(GtkWidget *widget, gpointer data)
1162 {
1163         ViewWindow *vw = data;
1164         ImageWindow *imd;
1165
1166         imd = view_window_active_image(vw);
1167         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1168 }
1169
1170 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1171 {
1172         ViewWindow *vw = data;
1173         ImageWindow *imd;
1174
1175         imd = view_window_active_image(vw);
1176         file_util_copy_path_to_clipboard(image_get_fd(imd));
1177 }
1178
1179 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1180 {
1181         ViewWindow *vw = data;
1182
1183         view_fullscreen_toggle(vw, FALSE);
1184 }
1185
1186 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1187 {
1188         ViewWindow *vw = data;
1189
1190         view_slideshow_start(vw);
1191 }
1192
1193 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1194 {
1195         ViewWindow *vw = data;
1196
1197         view_slideshow_stop(vw);
1198 }
1199
1200 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1201 {
1202         ViewWindow *vw = data;
1203
1204         slideshow_pause_toggle(vw->ss);
1205 }
1206
1207 static void view_close_cb(GtkWidget *widget, gpointer data)
1208 {
1209         ViewWindow *vw = data;
1210
1211         view_window_close(vw);
1212 }
1213
1214 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1215 {
1216         LayoutWindow *nw;
1217
1218         nw = layout_new(NULL, NULL);
1219         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1220         layout_set_fd(nw, fd);
1221         return nw;
1222 }
1223
1224
1225 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1226 {
1227         ViewWindow *vw = data;
1228         LayoutWindow *lw;
1229         ImageWindow *imd;
1230
1231         imd = view_window_active_image(vw);
1232
1233         if (!imd || !imd->image_fd) return;
1234
1235         lw = layout_find_by_image_fd(imd);
1236         if (lw)
1237                 layout_set_fd(lw, imd->image_fd);
1238         else
1239                 view_new_layout_with_fd(imd->image_fd);
1240         view_window_close(vw);
1241 }
1242
1243 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1244 {
1245         GList *editmenu_fd_list = data;
1246
1247         filelist_free(editmenu_fd_list);
1248 }
1249
1250 static GList *view_window_get_fd_list(ViewWindow *vw)
1251 {
1252         GList *list = NULL;
1253         ImageWindow *imd = view_window_active_image(vw);
1254
1255         if (imd)
1256                 {
1257                 FileData *fd = image_get_fd(imd);
1258                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1259                 }
1260
1261         return list;
1262 }
1263
1264 static GtkWidget *view_popup_menu(ViewWindow *vw)
1265 {
1266         GtkWidget *menu;
1267         GtkWidget *item;
1268         GList *editmenu_fd_list;
1269
1270         menu = popup_menu_short_lived();
1271
1272
1273         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1274         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1275         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1276         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1277         menu_item_add_divider(menu);
1278
1279         editmenu_fd_list = view_window_get_fd_list(vw);
1280         g_signal_connect(G_OBJECT(menu), "destroy",
1281                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1282         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1283         menu_item_add_divider(item);
1284         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1285
1286         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1287
1288         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1289         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1290
1291         menu_item_add_divider(menu);
1292         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1293         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1294         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1295         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1296         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1297
1298         menu_item_add_divider(menu);
1299
1300         if (vw->ss)
1301                 {
1302                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1303                 if (slideshow_paused(vw->ss))
1304                         {
1305                         item = menu_item_add(menu, _("Continue slides_how"),
1306                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1307                         }
1308                 else
1309                         {
1310                         item = menu_item_add(menu, _("Pause slides_how"),
1311                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1312                         }
1313                 }
1314         else
1315                 {
1316                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1317                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1318                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1319                 gtk_widget_set_sensitive(item, FALSE);
1320                 }
1321
1322         if (vw->fs)
1323                 {
1324                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1325                 }
1326         else
1327                 {
1328                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1329                 }
1330
1331         menu_item_add_divider(menu);
1332         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1333
1334         return menu;
1335 }
1336
1337 /*
1338  *-------------------------------------------------------------------
1339  * dnd confirm dir
1340  *-------------------------------------------------------------------
1341  */
1342
1343 typedef struct {
1344         ViewWindow *vw;
1345         GList *list;
1346 } CViewConfirmD;
1347
1348 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1349 {
1350         /* do nothing */
1351 }
1352
1353 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1354 {
1355         GList *work;
1356
1357         view_window_set_list(vw, NULL);
1358
1359         work = list;
1360         while (work)
1361                 {
1362                 FileData *fd = work->data;
1363                 work = work->next;
1364
1365                 if (isdir(fd->path))
1366                         {
1367                         if (!skip)
1368                                 {
1369                                 GList *list = NULL;
1370
1371                                 if (recurse)
1372                                         {
1373                                         list = filelist_recursive(fd);
1374                                         }
1375                                 else
1376                                         { /*FIXME */
1377                                         filelist_read(fd, &list, NULL);
1378                                         list = filelist_sort_path(list);
1379                                         list = filelist_filter(list, FALSE);
1380                                         }
1381                                 if (list) vw->list = g_list_concat(vw->list, list);
1382                                 }
1383                         }
1384                 else
1385                         {
1386                         /* FIXME: no filtering here */
1387                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1388                         }
1389                 }
1390
1391         if (vw->list)
1392                 {
1393                 FileData *fd;
1394
1395                 vw->list_pointer = vw->list;
1396                 fd = vw->list->data;
1397                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1398
1399                 work = vw->list->next;
1400                 if (options->image.enable_read_ahead && work)
1401                         {
1402                         fd = work->data;
1403                         image_prebuffer_set(vw->imd, fd);
1404                         }
1405                 }
1406         else
1407                 {
1408                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1409                 }
1410 }
1411
1412 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1413 {
1414         CViewConfirmD *d = data;
1415         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1416 }
1417
1418 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1419 {
1420         CViewConfirmD *d = data;
1421         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1422 }
1423
1424 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1425 {
1426         CViewConfirmD *d = data;
1427         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1428 }
1429
1430 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1431 {
1432         CViewConfirmD *d = data;
1433         filelist_free(d->list);
1434         g_free(d);
1435 }
1436
1437 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1438 {
1439         GtkWidget *menu;
1440         CViewConfirmD *d;
1441
1442         d = g_new(CViewConfirmD, 1);
1443         d->vw = vw;
1444         d->list = list;
1445
1446         menu = popup_menu_short_lived();
1447         g_signal_connect(G_OBJECT(menu), "destroy",
1448                          G_CALLBACK(view_dir_list_destroy), d);
1449
1450         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1451         menu_item_add_divider(menu);
1452         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1453         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1454         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1455         menu_item_add_divider(menu);
1456         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1457
1458         return menu;
1459 }
1460
1461 /*
1462  *-----------------------------------------------------------------------------
1463  * image drag and drop routines
1464  *-----------------------------------------------------------------------------
1465  */
1466
1467 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1468                                      gint x, gint y,
1469                                      GtkSelectionData *selection_data, guint info,
1470                                      guint time, gpointer data)
1471 {
1472         ViewWindow *vw = data;
1473         ImageWindow *imd;
1474
1475         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1476
1477         imd = vw->imd;
1478
1479         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1480                 {
1481                 CollectionData *source;
1482                 GList *list;
1483                 GList *info_list;
1484
1485                 if (info == TARGET_URI_LIST)
1486                         {
1487                         GList *work;
1488
1489                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1490
1491                         work = list;
1492                         while (work)
1493                                 {
1494                                 FileData *fd = work->data;
1495                                 if (isdir(fd->path))
1496                                         {
1497                                         GtkWidget *menu;
1498                                         menu = view_confirm_dir_list(vw, list);
1499                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1500                                         return;
1501                                         }
1502                                 work = work->next;
1503                                 }
1504
1505                         list = filelist_filter(list, FALSE);
1506
1507                         source = NULL;
1508                         info_list = NULL;
1509                         }
1510                 else
1511                         {
1512                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1513                         }
1514
1515                 if (list)
1516                         {
1517                         FileData *fd;
1518
1519                         fd = list->data;
1520                         if (isfile(fd->path))
1521                                 {
1522                                 view_slideshow_stop(vw);
1523                                 view_window_set_list(vw, NULL);
1524
1525                                 if (source && info_list)
1526                                         {
1527                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1528                                         }
1529                                 else
1530                                         {
1531                                         if (list->next)
1532                                                 {
1533                                                 vw->list = list;
1534                                                 list = NULL;
1535
1536                                                 vw->list_pointer = vw->list;
1537                                                 }
1538                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1539                                         }
1540                                 }
1541                         }
1542                 filelist_free(list);
1543                 g_list_free(info_list);
1544                 }
1545 }
1546
1547 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1548                                      GtkSelectionData *selection_data, guint info,
1549                                      guint time, gpointer data)
1550 {
1551         ViewWindow *vw = data;
1552         FileData *fd;
1553
1554         fd = image_get_fd(vw->imd);
1555
1556         if (fd)
1557                 {
1558                 gchar *text = NULL;
1559                 gint len;
1560                 gboolean plain_text;
1561                 GList *list;
1562
1563                 switch (info)
1564                         {
1565                         case TARGET_URI_LIST:
1566                                 plain_text = FALSE;
1567                                 break;
1568                         case TARGET_TEXT_PLAIN:
1569                         default:
1570                                 plain_text = TRUE;
1571                                 break;
1572                         }
1573                 list = g_list_append(NULL, fd);
1574                 text = uri_text_from_filelist(list, &len, plain_text);
1575                 g_list_free(list);
1576                 if (text)
1577                         {
1578                         gtk_selection_data_set(selection_data, selection_data->target,
1579                                                8, (guchar *)text, len);
1580                         g_free(text);
1581                         }
1582                 }
1583         else
1584                 {
1585                 gtk_selection_data_set(selection_data, selection_data->target,
1586                                        8, NULL, 0);
1587                 }
1588 }
1589
1590 static void view_window_dnd_init(ViewWindow *vw)
1591 {
1592         ImageWindow *imd;
1593
1594         imd = vw->imd;
1595
1596         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1597                             dnd_file_drag_types, dnd_file_drag_types_count,
1598                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1599         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1600                          G_CALLBACK(view_window_set_dnd_data), vw);
1601
1602         gtk_drag_dest_set(imd->pr,
1603                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1604                           dnd_file_drop_types, dnd_file_drop_types_count,
1605                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1606         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1607                          G_CALLBACK(view_window_get_dnd_data), vw);
1608 }
1609
1610 /*
1611  *-----------------------------------------------------------------------------
1612  * maintenance (for rename, move, remove)
1613  *-----------------------------------------------------------------------------
1614  */
1615
1616 static void view_real_removed(ViewWindow *vw, FileData *fd)
1617 {
1618         ImageWindow *imd;
1619         FileData *image_fd;
1620
1621         imd = view_window_active_image(vw);
1622         image_fd = image_get_fd(imd);
1623
1624         if (image_fd && image_fd == fd)
1625                 {
1626                 if (vw->list)
1627                         {
1628                         view_list_step(vw, TRUE);
1629                         if (image_get_fd(imd) == image_fd)
1630                                 {
1631                                 view_list_step(vw, FALSE);
1632                                 }
1633                         }
1634                 else if (view_window_contains_collection(vw))
1635                         {
1636                         view_collection_step(vw, TRUE);
1637                         if (image_get_fd(imd) == image_fd)
1638                                 {
1639                                 view_collection_step(vw, FALSE);
1640                                 }
1641                         }
1642                 if (image_get_fd(imd) == image_fd)
1643                         {
1644                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1645                         }
1646                 }
1647
1648         if (vw->list)
1649                 {
1650                 GList *work;
1651                 GList *old;
1652
1653                 old = vw->list_pointer;
1654
1655                 work = vw->list;
1656                 while (work)
1657                         {
1658                         FileData *chk_fd;
1659                         GList *chk_link;
1660
1661                         chk_fd = work->data;
1662                         chk_link = work;
1663                         work = work->next;
1664
1665                         if (chk_fd == fd)
1666                                 {
1667                                 if (vw->list_pointer == chk_link)
1668                                         {
1669                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1670                                         }
1671                                 vw->list = g_list_remove(vw->list, chk_fd);
1672                                 file_data_unref(chk_fd);
1673                                 }
1674                         }
1675
1676                 /* handles stepping correctly when same image is in the list more than once */
1677                 if (old && old != vw->list_pointer)
1678                         {
1679                         FileData *fd;
1680
1681                         if (vw->list_pointer)
1682                                 {
1683                                 fd = vw->list_pointer->data;
1684                                 }
1685                         else
1686                                 {
1687                                 fd = NULL;
1688                                 }
1689
1690                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1691                         }
1692                 }
1693
1694         image_osd_update(imd);
1695 }
1696
1697 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1698 {
1699         ViewWindow *vw = data;
1700
1701         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1702
1703         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1704
1705         switch (fd->change->type)
1706                 {
1707                 case FILEDATA_CHANGE_MOVE:
1708                 case FILEDATA_CHANGE_RENAME:
1709                         break;
1710                 case FILEDATA_CHANGE_COPY:
1711                         break;
1712                 case FILEDATA_CHANGE_DELETE:
1713                         view_real_removed(vw, fd);
1714                         break;
1715                 case FILEDATA_CHANGE_UNSPECIFIED:
1716                 case FILEDATA_CHANGE_WRITE_METADATA:
1717                         break;
1718                 }
1719 }
1720 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */