src/img-view.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2009 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         /* file list for edit menu */
  54         GList *editmenu_fd_list;
  55 };
  56
  57
  58 static GList *view_window_list = NULL;
  59
  60
  61 static GtkWidget *view_popup_menu(ViewWindow *vw);
  62 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  63 static void view_overlay_toggle(ViewWindow *vw);
  64
  65 static void view_slideshow_next(ViewWindow *vw);
  66 static void view_slideshow_prev(ViewWindow *vw);
  67 static void view_slideshow_start(ViewWindow *vw);
  68 static void view_slideshow_stop(ViewWindow *vw);
  69
  70 static void view_window_close(ViewWindow *vw);
  71
  72 static void view_window_dnd_init(ViewWindow *vw);
  73
  74 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  75
  76 /*
  77  *-----------------------------------------------------------------------------
  78  * misc
  79  *-----------------------------------------------------------------------------
  80  */
  81
  82 static ImageWindow *view_window_active_image(ViewWindow *vw)
  83 {
  84         if (vw->fs) return vw->fs->imd;
  85
  86         return vw->imd;
  87 }
  88
  89 static void view_window_set_list(ViewWindow *vw, GList *list)
  90 {
  91
  92         filelist_free(vw->list);
  93         vw->list = NULL;
  94         vw->list_pointer = NULL;
  95
  96         vw->list = filelist_copy(list);
  97 }
  98
  99 static gboolean view_window_contains_collection(ViewWindow *vw)
 100 {
 101         CollectionData *cd;
 102         CollectInfo *info;
 103
 104         cd = image_get_collection(view_window_active_image(vw), &info);
 105
 106         return (cd && info);
 107 }
 108
 109 static void view_collection_step(ViewWindow *vw, gboolean next)
 110 {
 111         ImageWindow *imd = view_window_active_image(vw);
 112         CollectionData *cd;
 113         CollectInfo *info;
 114         CollectInfo *read_ahead_info = NULL;
 115
 116         cd = image_get_collection(imd, &info);
 117
 118         if (!cd || !info) return;
 119
 120         if (next)
 121                 {
 122                 info = collection_next_by_info(cd, info);
 123                 if (options->image.enable_read_ahead)
 124                         {
 125                         read_ahead_info = collection_next_by_info(cd, info);
 126                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 127                         }
 128                 }
 129         else
 130                 {
 131                 info = collection_prev_by_info(cd, info);
 132                 if (options->image.enable_read_ahead)
 133                         {
 134                         read_ahead_info = collection_prev_by_info(cd, info);
 135                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 136                         }
 137                 }
 138
 139         if (info)
 140                 {
 141                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 142
 143                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 144                 }
 145
 146 }
 147
 148 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 149 {
 150         ImageWindow *imd = view_window_active_image(vw);
 151         CollectionData *cd;
 152         CollectInfo *info;
 153         CollectInfo *read_ahead_info = NULL;
 154
 155         cd = image_get_collection(imd, &info);
 156
 157         if (!cd || !info) return;
 158
 159         if (last)
 160                 {
 161                 info = collection_get_last(cd);
 162                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 163                 }
 164         else
 165                 {
 166                 info = collection_get_first(cd);
 167                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 168                 }
 169
 170         if (info)
 171                 {
 172                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 173                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 174                 }
 175 }
 176
 177 static void view_list_step(ViewWindow *vw, gboolean next)
 178 {
 179         ImageWindow *imd = view_window_active_image(vw);
 180         FileData *fd;
 181         GList *work;
 182         GList *work_ahead;
 183
 184         if (!vw->list) return;
 185
 186         fd = image_get_fd(imd);
 187         if (!fd) return;
 188
 189         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 190                 {
 191                 work = vw->list_pointer;
 192                 }
 193         else
 194                 {
 195                 gboolean found = FALSE;
 196
 197                 work = vw->list;
 198                 while (work && !found)
 199                         {
 200                         FileData *temp;
 201
 202                         temp = work->data;
 203
 204                         if (fd == temp)
 205                                 {
 206                                 found = TRUE;
 207                                 }
 208                         else
 209                                 {
 210                                 work = work->next;
 211                                 }
 212                         }
 213                 }
 214         if (!work) return;
 215
 216         work_ahead = NULL;
 217         if (next)
 218                 {
 219                 work = work->next;
 220                 if (work) work_ahead = work->next;
 221                 }
 222         else
 223                 {
 224                 work = work->prev;
 225                 if (work) work_ahead = work->prev;
 226                 }
 227
 228         if (!work) return;
 229
 230         vw->list_pointer = work;
 231         fd = work->data;
 232         image_change_fd(imd, fd, image_zoom_get_default(imd));
 233
 234         if (options->image.enable_read_ahead && work_ahead)
 235                 {
 236                 FileData *next_fd = work_ahead->data;
 237                 image_prebuffer_set(imd, next_fd);
 238                 }
 239 }
 240
 241 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 242 {
 243         ImageWindow *imd = view_window_active_image(vw);
 244         FileData *fd;
 245         GList *work;
 246         GList *work_ahead;
 247
 248         if (!vw->list) return;
 249
 250         if (last)
 251                 {
 252                 work = g_list_last(vw->list);
 253                 work_ahead = work->prev;
 254                 }
 255         else
 256                 {
 257                 work = vw->list;
 258                 work_ahead = work->next;
 259                 }
 260
 261         vw->list_pointer = work;
 262         fd = work->data;
 263         image_change_fd(imd, fd, image_zoom_get_default(imd));
 264
 265         if (options->image.enable_read_ahead && work_ahead)
 266                 {
 267                 FileData *next_fd = work_ahead->data;
 268                 image_prebuffer_set(imd, next_fd);
 269                 }
 270 }
 271
 272 static void view_step_next(ViewWindow *vw)
 273 {
 274         if (vw->ss)
 275                 {
 276                 view_slideshow_next(vw);
 277                 }
 278         else if (vw->list)
 279                 {
 280                 view_list_step(vw, TRUE);
 281                 }
 282         else
 283                 {
 284                 view_collection_step(vw, TRUE);
 285                 }
 286 }
 287
 288 static void view_step_prev(ViewWindow *vw)
 289 {
 290         if (vw->ss)
 291                 {
 292                 view_slideshow_prev(vw);
 293                 }
 294         else if (vw->list)
 295                 {
 296                 view_list_step(vw, FALSE);
 297                 }
 298         else
 299                 {
 300                 view_collection_step(vw, FALSE);
 301                 }
 302 }
 303
 304 static void view_step_to_end(ViewWindow *vw, gboolean last)
 305 {
 306         if (vw->list)
 307                 {
 308                 view_list_step_to_end(vw, last);
 309                 }
 310         else
 311                 {
 312                 view_collection_step_to_end(vw, last);
 313                 }
 314 }
 315
 316 /*
 317  *-----------------------------------------------------------------------------
 318  * view window keyboard
 319  *-----------------------------------------------------------------------------
 320  */
 321
 322 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 323 {
 324         ViewWindow *vw = data;
 325         ImageWindow *imd;
 326
 327         imd = view_window_active_image(vw);
 328         gdk_window_get_origin(imd->pr->window, x, y);
 329         popup_menu_position_clamp(menu, x, y, 0);
 330 }
 331
 332 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 333 {
 334         ViewWindow *vw = data;
 335         ImageWindow *imd;
 336         gint stop_signal;
 337         GtkWidget *menu;
 338         gint x = 0;
 339         gint y = 0;
 340
 341         imd = view_window_active_image(vw);
 342
 343         stop_signal = TRUE;
 344         switch (event->keyval)
 345                 {
 346                 case GDK_Left: case GDK_KP_Left:
 347                         x -= 1;
 348                         break;
 349                 case GDK_Right: case GDK_KP_Right:
 350                         x += 1;
 351                         break;
 352                 case GDK_Up: case GDK_KP_Up:
 353                         y -= 1;
 354                         break;
 355                 case GDK_Down: case GDK_KP_Down:
 356                         y += 1;
 357                         break;
 358                 default:
 359                         stop_signal = FALSE;
 360                         break;
 361                 }
 362
 363         if (x != 0 || y!= 0)
 364                 {
 365                 if (event->state & GDK_SHIFT_MASK)
 366                         {
 367                         x *= 3;
 368                         y *= 3;
 369                         }
 370
 371                 keyboard_scroll_calc(&x, &y, event);
 372                 image_scroll(imd, x, y);
 373                 }
 374
 375         if (stop_signal) return stop_signal;
 376
 377         if (event->state & GDK_CONTROL_MASK)
 378                 {
 379                 gint n = -1;
 380
 381                 stop_signal = TRUE;
 382                 switch (event->keyval)
 383                         {
 384                         case '1':
 385                                 n = 0;
 386                                 break;
 387                         case '2':
 388                                 n = 1;
 389                                 break;
 390                         case '3':
 391                                 n = 2;
 392                                 break;
 393                         case '4':
 394                                 n = 3;
 395                                 break;
 396                         case '5':
 397                                 n = 4;
 398                                 break;
 399                         case '6':
 400                                 n = 5;
 401                                 break;
 402                         case '7':
 403                                 n = 6;
 404                                 break;
 405                         case '8':
 406                                 n = 7;
 407                                 break;
 408                         case '9':
 409                                 n = 8;
 410                                 break;
 411                         case '0':
 412                                 n = 9;
 413                                 break;
 414                         case 'C': case 'c':
 415                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 416                                 break;
 417                         case 'M': case 'm':
 418                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 419                                 break;
 420                         case 'R': case 'r':
 421                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 422                                 break;
 423                         case 'D': case 'd':
 424                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 425                                 break;
 426                         case 'W': case 'w':
 427                                 view_window_close(vw);
 428                                 break;
 429                         default:
 430                                 stop_signal = FALSE;
 431                                 break;
 432                         }
 433 #if 0
 434                 if (n != -1)
 435                         {
 436                         if (!editor_window_flag_set(n))
 437                                 {
 438                                 view_fullscreen_toggle(vw, TRUE);
 439                                 }
 440                         imd = view_window_active_image(vw);
 441                         file_util_start_editor_from_file(n, image_get_fd(imd), imd->widget);
 442                         }
 443 #endif
 444                 }
 445         else if (event->state & GDK_SHIFT_MASK)
 446                 {
 447                 stop_signal = TRUE;
 448                 switch (event->keyval)
 449                         {
 450                         case 'R': case 'r':
 451                                 image_alter(imd, ALTER_ROTATE_180);
 452                                 break;
 453                         case 'M': case 'm':
 454                                 image_alter(imd, ALTER_MIRROR);
 455                                 break;
 456                         case 'F': case 'f':
 457                                 image_alter(imd, ALTER_FLIP);
 458                                 break;
 459                         case 'G': case 'g':
 460                                 image_alter(imd, ALTER_DESATURATE);
 461                                 break;
 462                         case 'P': case 'p':
 463                                 {
 464                                 FileData *fd;
 465
 466                                 view_fullscreen_toggle(vw, TRUE);
 467                                 imd = view_window_active_image(vw);
 468                                 fd = image_get_fd(imd);
 469                                 print_window_new(fd,
 470                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 471                                                  filelist_copy(vw->list), vw->window);
 472                                 }
 473                                 break;
 474                         default:
 475                                 stop_signal = FALSE;
 476                                 break;
 477                         }
 478                 }
 479         else
 480                 {
 481                 stop_signal = TRUE;
 482                 switch (event->keyval)
 483                         {
 484                         case GDK_Page_Up: case GDK_KP_Page_Up:
 485                         case GDK_BackSpace:
 486                         case 'B': case 'b':
 487                                 view_step_prev(vw);
 488                                 break;
 489                         case GDK_Page_Down: case GDK_KP_Page_Down:
 490                         case GDK_space:
 491                         case 'N': case 'n':
 492                                 view_step_next(vw);
 493                                 break;
 494                         case GDK_Home: case GDK_KP_Home:
 495                                 view_step_to_end(vw, FALSE);
 496                                 break;
 497                         case GDK_End: case GDK_KP_End:
 498                                 view_step_to_end(vw, TRUE);
 499                                 break;
 500                         case '+': case '=': case GDK_KP_Add:
 501                                 image_zoom_adjust(imd, get_zoom_increment());
 502                                 break;
 503                         case '-': case GDK_KP_Subtract:
 504                                 image_zoom_adjust(imd, -get_zoom_increment());
 505                                 break;
 506                         case 'X': case 'x': case GDK_KP_Multiply:
 507                                 image_zoom_set(imd, 0.0);
 508                                 break;
 509                         case 'Z': case 'z': case GDK_KP_Divide: case '1':
 510                                 image_zoom_set(imd, 1.0);
 511                                 break;
 512                         case '2':
 513                                 image_zoom_set(imd, 2.0);
 514                                 break;
 515                         case '3':
 516                                 image_zoom_set(imd, 3.0);
 517                                 break;
 518                         case '4':
 519                                 image_zoom_set(imd, 4.0);
 520                                 break;
 521                         case '7':
 522                                 image_zoom_set(imd, -4.0);
 523                                 break;
 524                         case '8':
 525                                 image_zoom_set(imd, -3.0);
 526                                 break;
 527                         case '9':
 528                                 image_zoom_set(imd, -2.0);
 529                                 break;
 530                         case 'W': case 'w':
 531                                 image_zoom_set_fill_geometry(imd, FALSE);
 532                                 break;
 533                         case 'H': case 'h':
 534                                 image_zoom_set_fill_geometry(imd, TRUE);
 535                                 break;
 536                         case 'R': case 'r':
 537                                 image_reload(imd);
 538                                 break;
 539                         case 'S': case 's':
 540                                 if (vw->ss)
 541                                         {
 542                                         view_slideshow_stop(vw);
 543                                         }
 544                                 else
 545                                         {
 546                                         view_slideshow_start(vw);
 547                                         }
 548                                 break;
 549                         case 'P': case 'p':
 550                                 slideshow_pause_toggle(vw->ss);
 551                                 break;
 552                         case 'F': case 'f':
 553                         case 'V': case 'v':
 554                         case GDK_F11:
 555                                 view_fullscreen_toggle(vw, FALSE);
 556                                 break;
 557                         case 'I': case 'i':
 558                                 view_overlay_toggle(vw);
 559                                 break;
 560                         case ']':
 561                                 image_alter(imd, ALTER_ROTATE_90);
 562                                 break;
 563                         case '[':
 564                                 image_alter(imd, ALTER_ROTATE_90_CC);
 565                                 break;
 566                         case GDK_Delete: case GDK_KP_Delete:
 567                                 if (options->file_ops.enable_delete_key)
 568                                         {
 569                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 570                                         }
 571                                 break;
 572                         case GDK_Escape:
 573                                 if (vw->fs)
 574                                         {
 575                                         view_fullscreen_toggle(vw, TRUE);
 576                                         }
 577                                 else
 578                                         {
 579                                         view_window_close(vw);
 580                                         }
 581                                 break;
 582                         case GDK_Menu:
 583                         case GDK_F10:
 584                                 menu = view_popup_menu(vw);
 585                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 586                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 587                                 break;
 588                         default:
 589                                 stop_signal = FALSE;
 590                                 break;
 591                         }
 592                 }
 593
 594         return stop_signal;
 595 }
 596
 597 /*
 598  *-----------------------------------------------------------------------------
 599  * view window main routines
 600  *-----------------------------------------------------------------------------
 601  */
 602 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 603 {
 604         ViewWindow *vw = data;
 605         GtkWidget *menu;
 606
 607         switch (event->button)
 608                 {
 609                 case MOUSE_BUTTON_LEFT:
 610                         view_step_next(vw);
 611                         break;
 612                 case MOUSE_BUTTON_MIDDLE:
 613                         view_step_prev(vw);
 614                         break;
 615                 case MOUSE_BUTTON_RIGHT:
 616                         menu = view_popup_menu(vw);
 617                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 618                         break;
 619                 default:
 620                         break;
 621                 }
 622 }
 623
 624 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 625 {
 626         ViewWindow *vw = data;
 627
 628         if (event->state & GDK_CONTROL_MASK)
 629                 {
 630                 switch (event->direction)
 631                         {
 632                         case GDK_SCROLL_UP:
 633                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 634                                 break;
 635                         case GDK_SCROLL_DOWN:
 636                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 637                                 break;
 638                         default:
 639                                 break;
 640                         }
 641                 }
 642         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 643                 {
 644                 switch (event->direction)
 645                         {
 646                         case GDK_SCROLL_UP:
 647                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 648                                 break;
 649                         case GDK_SCROLL_DOWN:
 650                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 651                                 break;
 652                         case GDK_SCROLL_LEFT:
 653                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 654                                 break;
 655                         case GDK_SCROLL_RIGHT:
 656                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 657                                 break;
 658                         default:
 659                                 break;
 660                         }
 661                 }
 662         else
 663                 {
 664                 switch (event->direction)
 665                         {
 666                         case GDK_SCROLL_UP:
 667                                 view_step_prev(vw);
 668                                 break;
 669                         case GDK_SCROLL_DOWN:
 670                                 view_step_next(vw);
 671                                 break;
 672                         default:
 673                                 break;
 674                         }
 675                 }
 676 }
 677
 678 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 679 {
 680         image_set_button_func(imd, button_cb, vw);
 681         image_set_scroll_func(imd, scroll_cb, vw);
 682 }
 683
 684 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 685 {
 686         ViewWindow *vw = data;
 687
 688         vw->fs = NULL;
 689
 690         if (vw->ss) vw->ss->imd = vw->imd;
 691 }
 692
 693 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 694 {
 695         if (force_off && !vw->fs) return;
 696
 697         if (vw->fs)
 698                 {
 699                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 700                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 701
 702                 fullscreen_stop(vw->fs);
 703                 }
 704         else
 705                 {
 706                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 707
 708                 view_image_set_buttons(vw, vw->fs->imd);
 709                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 710                                  G_CALLBACK(view_window_key_press_cb), vw);
 711
 712                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 713
 714                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 715                         {
 716                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 717                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 718                         }
 719                 }
 720 }
 721
 722 static void view_overlay_toggle(ViewWindow *vw)
 723 {
 724         ImageWindow *imd;
 725
 726         imd = view_window_active_image(vw);
 727
 728         image_osd_toggle(imd);
 729 }
 730
 731 static void view_slideshow_next(ViewWindow *vw)
 732 {
 733         if (vw->ss) slideshow_next(vw->ss);
 734 }
 735
 736 static void view_slideshow_prev(ViewWindow *vw)
 737 {
 738         if (vw->ss) slideshow_prev(vw->ss);
 739 }
 740
 741 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 742 {
 743         ViewWindow *vw = data;
 744         GList *work;
 745         FileData *fd;
 746
 747         vw->ss = NULL;
 748
 749         work = vw->list;
 750         fd = image_get_fd(view_window_active_image(vw));
 751         while (work)
 752                 {
 753                 FileData *temp;
 754
 755                 temp = work->data;
 756                 if (fd == temp)
 757                         {
 758                         vw->list_pointer = work;
 759                         work = NULL;
 760                         }
 761                 else
 762                         {
 763                         work = work->next;
 764                         }
 765                 }
 766 }
 767
 768 static void view_slideshow_start(ViewWindow *vw)
 769 {
 770         if (!vw->ss)
 771                 {
 772                 CollectionData *cd;
 773                 CollectInfo *info;
 774
 775                 if (vw->list)
 776                         {
 777                         vw->ss = slideshow_start_from_filelist(view_window_active_image(vw),
 778                                                                 filelist_copy(vw->list),
 779                                                                 view_slideshow_stop_func, vw);
 780                         vw->list_pointer = NULL;
 781                         return;
 782                         }
 783
 784                 cd = image_get_collection(view_window_active_image(vw), &info);
 785                 if (cd && info)
 786                         {
 787                         vw->ss = slideshow_start_from_collection(view_window_active_image(vw), cd,
 788                                                                  view_slideshow_stop_func, vw, info);
 789                         }
 790                 }
 791 }
 792
 793 static void view_slideshow_stop(ViewWindow *vw)
 794 {
 795         if (vw->ss) slideshow_free(vw->ss);
 796 }
 797
 798 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 799 {
 800         ViewWindow *vw = data;
 801
 802         view_window_list = g_list_remove(view_window_list, vw);
 803
 804         view_slideshow_stop(vw);
 805         fullscreen_stop(vw->fs);
 806
 807         filelist_free(vw->list);
 808
 809         file_data_unregister_notify_func(view_window_notify_cb, vw);
 810
 811         g_free(vw);
 812 }
 813
 814 static void view_window_close(ViewWindow *vw)
 815 {
 816         view_slideshow_stop(vw);
 817         view_fullscreen_toggle(vw, TRUE);
 818         gtk_widget_destroy(vw->window);
 819 }
 820
 821 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 822 {
 823         ViewWindow *vw = data;
 824
 825         view_window_close(vw);
 826         return TRUE;
 827 }
 828
 829 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 830 {
 831         ViewWindow *vw;
 832         GtkAllocation req_size;
 833         GdkGeometry geometry;
 834         gint w, h;
 835
 836         if (!fd && !list && (!cd || !info)) return NULL;
 837
 838         vw = g_new0(ViewWindow, 1);
 839
 840         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 841
 842         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 843         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 844         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 845
 846         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 847         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 848
 849         vw->imd = image_new(FALSE);
 850
 851         image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
 852
 853         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 854
 855         image_auto_refresh_enable(vw->imd, TRUE);
 856         image_top_window_set_sync(vw->imd, TRUE);
 857
 858         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 859         gtk_widget_show(vw->imd->widget);
 860
 861         view_window_dnd_init(vw);
 862
 863         view_image_set_buttons(vw, vw->imd);
 864
 865         g_signal_connect(G_OBJECT(vw->window), "destroy",
 866                          G_CALLBACK(view_window_destroy_cb), vw);
 867         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 868                          G_CALLBACK(view_window_delete_cb), vw);
 869         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 870                          G_CALLBACK(view_window_key_press_cb), vw);
 871         if (cd && info)
 872                 {
 873                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 874                 if (options->image.enable_read_ahead)
 875                         {
 876                         CollectInfo * r_info = collection_next_by_info(cd, info);
 877                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 878                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 879                         }
 880                 }
 881         else if (list)
 882                 {
 883                 view_window_set_list(vw, list);
 884                 vw->list_pointer = vw->list;
 885                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 886
 887                 if (options->image.enable_read_ahead)
 888                         {
 889                         GList *work = vw->list->next;
 890                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 891                         }
 892                 }
 893         else
 894                 {
 895                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 896                 }
 897
 898         if (image_zoom_get(vw->imd) == 0.0)
 899                 {
 900                 image_get_image_size(vw->imd, &w, &h);
 901                 }
 902         else
 903                 {
 904                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 905                 }
 906         if (options->image.limit_window_size)
 907                 {
 908                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 909                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 910
 911                 if (w > mw) w = mw;
 912                 if (h > mh) h = mh;
 913                 }
 914
 915         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 916         req_size.x = req_size.y = 0;
 917         req_size.width = w;
 918         req_size.height = h;
 919         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 920
 921         gtk_widget_set_size_request(vw->imd->pr, w, h);
 922
 923         gtk_widget_show(vw->window);
 924
 925         view_window_list = g_list_append(view_window_list, vw);
 926
 927         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 928
 929         return vw;
 930 }
 931
 932 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 933 {
 934         CollectionData *cd = data;
 935
 936         collection_unref(cd);
 937 }
 938
 939 void view_window_new(FileData *fd)
 940 {
 941         GList *list;
 942
 943         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 944                 {
 945                 ViewWindow *vw;
 946                 CollectionData *cd;
 947                 CollectInfo *info;
 948
 949                 cd = collection_new(fd->path);
 950                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 951                         {
 952                         info = collection_get_first(cd);
 953                         }
 954                 else
 955                         {
 956                         collection_unref(cd);
 957                         cd = NULL;
 958                         info = NULL;
 959                         }
 960                 vw = real_view_window_new(NULL, NULL, cd, info);
 961                 if (vw && cd)
 962                         {
 963                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 964                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 965                         }
 966                 }
 967         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 968                 {
 969                 list = filelist_sort_path(list);
 970                 list = filelist_filter(list, FALSE);
 971                 real_view_window_new(NULL, list, NULL, NULL);
 972                 filelist_free(list);
 973                 }
 974         else
 975                 {
 976                 real_view_window_new(fd, NULL, NULL, NULL);
 977                 }
 978 }
 979
 980 void view_window_new_from_list(GList *list)
 981 {
 982         real_view_window_new(NULL, list, NULL, NULL);
 983 }
 984
 985 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 986 {
 987         real_view_window_new(NULL, NULL, cd, info);
 988 }
 989
 990 /*
 991  *-----------------------------------------------------------------------------
 992  * public
 993  *-----------------------------------------------------------------------------
 994  */
 995
 996 void view_window_colors_update(void)
 997 {
 998         GList *work;
 999
1000         work = view_window_list;
1001         while (work)
1002                 {
1003                 ViewWindow *vw = work->data;
1004                 work = work->next;
1005
1006                 image_background_set_color(vw->imd, options->image.use_custom_border_color ? &options->image.border_color : NULL);
1007                 }
1008 }
1009
1010 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1011 {
1012         GList *work;
1013
1014         work = view_window_list;
1015         while (work)
1016                 {
1017                 ViewWindow *vw = work->data;
1018                 work = work->next;
1019
1020                 if (vw->imd == imd ||
1021                     (vw->fs && vw->fs->imd == imd))
1022                         {
1023                         if (vw->ss)
1024                                 {
1025                                 gint n;
1026                                 gint t;
1027
1028                                 n = g_list_length(vw->ss->list_done);
1029                                 t = n + g_list_length(vw->ss->list);
1030                                 if (n == 0) n = t;
1031                                 if (index) *index = n - 1;
1032                                 if (total) *total = t;
1033                                 }
1034                         else
1035                                 {
1036                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1037                                 if (total) *total = g_list_length(vw->list);
1038                                 }
1039                         return TRUE;
1040                         }
1041                 }
1042
1043         return FALSE;
1044 }
1045
1046 /*
1047  *-----------------------------------------------------------------------------
1048  * view window menu routines and callbacks
1049  *-----------------------------------------------------------------------------
1050  */
1051
1052 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1053 {
1054         ViewWindow *vw = data;
1055         CollectionData *cd;
1056         CollectInfo *info;
1057
1058         cd = image_get_collection(vw->imd, &info);
1059
1060         if (cd && info)
1061                 {
1062                 view_window_new_from_collection(cd, info);
1063                 }
1064         else
1065                 {
1066                 view_window_new(image_get_fd(vw->imd));
1067                 }
1068 }
1069
1070 static void view_edit_cb(GtkWidget *widget, gpointer data)
1071 {
1072         ViewWindow *vw;
1073         ImageWindow *imd;
1074         const gchar *key = data;
1075
1076         vw = submenu_item_get_data(widget);
1077         if (!vw) return;
1078
1079         if (!editor_window_flag_set(key))
1080                 {
1081                 view_fullscreen_toggle(vw, TRUE);
1082                 }
1083
1084         imd = view_window_active_image(vw);
1085         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1086 }
1087
1088 static void view_alter_cb(GtkWidget *widget, gpointer data)
1089 {
1090         ViewWindow *vw;
1091         AlterType type;
1092
1093         vw = submenu_item_get_data(widget);
1094         type = GPOINTER_TO_INT(data);
1095
1096         if (!vw) return;
1097         image_alter(vw->imd, type);
1098 }
1099
1100 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1101 {
1102         ViewWindow *vw = data;
1103         ImageWindow *imd;
1104
1105         imd = view_window_active_image(vw);
1106         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1107 }
1108
1109 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1110 {
1111         ViewWindow *vw = data;
1112
1113         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1114 }
1115
1116 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1117 {
1118         ViewWindow *vw = data;
1119
1120         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1121 }
1122
1123 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1124 {
1125         ViewWindow *vw = data;
1126
1127         image_zoom_set(view_window_active_image(vw), 1.0);
1128 }
1129
1130 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1131 {
1132         ViewWindow *vw = data;
1133
1134         image_zoom_set(view_window_active_image(vw), 0.0);
1135 }
1136
1137 static void view_copy_cb(GtkWidget *widget, gpointer data)
1138 {
1139         ViewWindow *vw = data;
1140         ImageWindow *imd;
1141
1142         imd = view_window_active_image(vw);
1143         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1144 }
1145
1146 static void view_move_cb(GtkWidget *widget, gpointer data)
1147 {
1148         ViewWindow *vw = data;
1149         ImageWindow *imd;
1150
1151         imd = view_window_active_image(vw);
1152         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1153 }
1154
1155 static void view_rename_cb(GtkWidget *widget, gpointer data)
1156 {
1157         ViewWindow *vw = data;
1158         ImageWindow *imd;
1159
1160         imd = view_window_active_image(vw);
1161         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1162 }
1163
1164 static void view_delete_cb(GtkWidget *widget, gpointer data)
1165 {
1166         ViewWindow *vw = data;
1167         ImageWindow *imd;
1168
1169         imd = view_window_active_image(vw);
1170         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1171 }
1172
1173 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176         ImageWindow *imd;
1177
1178         imd = view_window_active_image(vw);
1179         file_util_copy_path_to_clipboard(image_get_fd(imd));
1180 }
1181
1182 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1183 {
1184         ViewWindow *vw = data;
1185
1186         view_fullscreen_toggle(vw, FALSE);
1187 }
1188
1189 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1190 {
1191         ViewWindow *vw = data;
1192
1193         view_slideshow_start(vw);
1194 }
1195
1196 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1197 {
1198         ViewWindow *vw = data;
1199
1200         view_slideshow_stop(vw);
1201 }
1202
1203 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1204 {
1205         ViewWindow *vw = data;
1206
1207         slideshow_pause_toggle(vw->ss);
1208 }
1209
1210 static void view_close_cb(GtkWidget *widget, gpointer data)
1211 {
1212         ViewWindow *vw = data;
1213
1214         view_window_close(vw);
1215 }
1216
1217 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1218 {
1219         LayoutWindow *nw;
1220
1221         nw = layout_new(NULL, NULL);
1222         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1223         layout_set_fd(nw, fd);
1224         return nw;
1225 }
1226
1227
1228 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1229 {
1230         ViewWindow *vw = data;
1231         LayoutWindow *lw;
1232         ImageWindow *imd;
1233
1234         imd = view_window_active_image(vw);
1235
1236         if (!imd || !imd->image_fd) return;
1237
1238         lw = layout_find_by_image_fd(imd);
1239         if (lw)
1240                 layout_set_fd(lw, imd->image_fd);
1241         else
1242                 view_new_layout_with_fd(imd->image_fd);
1243         view_window_close(vw);
1244 }
1245
1246 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1247 {
1248         ViewWindow *vw = data;
1249
1250         filelist_free(vw->editmenu_fd_list);
1251         vw->editmenu_fd_list = NULL;
1252 }
1253
1254 static GList *view_window_get_fd_list(ViewWindow *vw)
1255 {
1256         GList *list = NULL;
1257         ImageWindow *imd = view_window_active_image(vw);
1258
1259         if (imd)
1260                 {
1261                 FileData *fd = image_get_fd(imd);
1262                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1263                 }
1264
1265         return list;
1266 }
1267
1268 static GtkWidget *view_popup_menu(ViewWindow *vw)
1269 {
1270         GtkWidget *menu;
1271         GtkWidget *item;
1272
1273         menu = popup_menu_short_lived();
1274
1275         g_signal_connect(G_OBJECT(menu), "destroy",
1276                          G_CALLBACK(view_popup_menu_destroy_cb), vw);
1277
1278         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1279         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1280         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1281         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1282         menu_item_add_divider(menu);
1283
1284         vw->editmenu_fd_list = view_window_get_fd_list(vw);
1285         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, vw->editmenu_fd_list);
1286         menu_item_add_divider(item);
1287         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1288
1289         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1290
1291         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1292         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1293
1294         menu_item_add_divider(menu);
1295         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1296         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1297         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1298         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1299         if (options->show_copy_path)
1300                 menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1301
1302         menu_item_add_divider(menu);
1303
1304         if (vw->ss)
1305                 {
1306                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1307                 if (slideshow_paused(vw->ss))
1308                         {
1309                         item = menu_item_add(menu, _("Continue slides_how"),
1310                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1311                         }
1312                 else
1313                         {
1314                         item = menu_item_add(menu, _("Pause slides_how"),
1315                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1316                         }
1317                 }
1318         else
1319                 {
1320                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1321                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1322                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1323                 gtk_widget_set_sensitive(item, FALSE);
1324                 }
1325
1326         if (vw->fs)
1327                 {
1328                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1329                 }
1330         else
1331                 {
1332                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1333                 }
1334
1335         menu_item_add_divider(menu);
1336         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1337
1338         return menu;
1339 }
1340
1341 /*
1342  *-------------------------------------------------------------------
1343  * dnd confirm dir
1344  *-------------------------------------------------------------------
1345  */
1346
1347 typedef struct {
1348         ViewWindow *vw;
1349         GList *list;
1350 } CViewConfirmD;
1351
1352 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1353 {
1354         /* do nothing */
1355 }
1356
1357 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1358 {
1359         GList *work;
1360
1361         view_window_set_list(vw, NULL);
1362
1363         work = list;
1364         while (work)
1365                 {
1366                 FileData *fd = work->data;
1367                 work = work->next;
1368
1369                 if (isdir(fd->path))
1370                         {
1371                         if (!skip)
1372                                 {
1373                                 GList *list = NULL;
1374
1375                                 if (recurse)
1376                                         {
1377                                         list = filelist_recursive(fd);
1378                                         }
1379                                 else
1380                                         { /*FIXME */
1381                                         filelist_read(fd, &list, NULL);
1382                                         list = filelist_sort_path(list);
1383                                         list = filelist_filter(list, FALSE);
1384                                         }
1385                                 if (list) vw->list = g_list_concat(vw->list, list);
1386                                 }
1387                         }
1388                 else
1389                         {
1390                         /* FIXME: no filtering here */
1391                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1392                         }
1393                 }
1394
1395         if (vw->list)
1396                 {
1397                 FileData *fd;
1398
1399                 vw->list_pointer = vw->list;
1400                 fd = vw->list->data;
1401                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1402
1403                 work = vw->list->next;
1404                 if (options->image.enable_read_ahead && work)
1405                         {
1406                         fd = work->data;
1407                         image_prebuffer_set(vw->imd, fd);
1408                         }
1409                 }
1410         else
1411                 {
1412                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1413                 }
1414 }
1415
1416 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1417 {
1418         CViewConfirmD *d = data;
1419         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1420 }
1421
1422 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1423 {
1424         CViewConfirmD *d = data;
1425         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1426 }
1427
1428 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1429 {
1430         CViewConfirmD *d = data;
1431         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1432 }
1433
1434 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1435 {
1436         CViewConfirmD *d = data;
1437         filelist_free(d->list);
1438         g_free(d);
1439 }
1440
1441 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1442 {
1443         GtkWidget *menu;
1444         CViewConfirmD *d;
1445
1446         d = g_new(CViewConfirmD, 1);
1447         d->vw = vw;
1448         d->list = list;
1449
1450         menu = popup_menu_short_lived();
1451         g_signal_connect(G_OBJECT(menu), "destroy",
1452                          G_CALLBACK(view_dir_list_destroy), d);
1453
1454         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1455         menu_item_add_divider(menu);
1456         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1457         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1458         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1459         menu_item_add_divider(menu);
1460         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1461
1462         return menu;
1463 }
1464
1465 /*
1466  *-----------------------------------------------------------------------------
1467  * image drag and drop routines
1468  *-----------------------------------------------------------------------------
1469  */
1470
1471 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1472                                      gint x, gint y,
1473                                      GtkSelectionData *selection_data, guint info,
1474                                      guint time, gpointer data)
1475 {
1476         ViewWindow *vw = data;
1477         ImageWindow *imd;
1478
1479         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1480
1481         imd = vw->imd;
1482
1483         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1484                 {
1485                 CollectionData *source;
1486                 GList *list;
1487                 GList *info_list;
1488
1489                 if (info == TARGET_URI_LIST)
1490                         {
1491                         GList *work;
1492
1493                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1494
1495                         work = list;
1496                         while (work)
1497                                 {
1498                                 FileData *fd = work->data;
1499                                 if (isdir(fd->path))
1500                                         {
1501                                         GtkWidget *menu;
1502                                         menu = view_confirm_dir_list(vw, list);
1503                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1504                                         return;
1505                                         }
1506                                 work = work->next;
1507                                 }
1508
1509                         list = filelist_filter(list, FALSE);
1510
1511                         source = NULL;
1512                         info_list = NULL;
1513                         }
1514                 else
1515                         {
1516                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1517                         }
1518
1519                 if (list)
1520                         {
1521                         FileData *fd;
1522
1523                         fd = list->data;
1524                         if (isfile(fd->path))
1525                                 {
1526                                 view_slideshow_stop(vw);
1527                                 view_window_set_list(vw, NULL);
1528
1529                                 if (source && info_list)
1530                                         {
1531                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1532                                         }
1533                                 else
1534                                         {
1535                                         if (list->next)
1536                                                 {
1537                                                 vw->list = list;
1538                                                 list = NULL;
1539
1540                                                 vw->list_pointer = vw->list;
1541                                                 }
1542                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1543                                         }
1544                                 }
1545                         }
1546                 filelist_free(list);
1547                 g_list_free(info_list);
1548                 }
1549 }
1550
1551 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1552                                      GtkSelectionData *selection_data, guint info,
1553                                      guint time, gpointer data)
1554 {
1555         ViewWindow *vw = data;
1556         FileData *fd;
1557
1558         fd = image_get_fd(vw->imd);
1559
1560         if (fd)
1561                 {
1562                 gchar *text = NULL;
1563                 gint len;
1564                 gboolean plain_text;
1565                 GList *list;
1566
1567                 switch (info)
1568                         {
1569                         case TARGET_URI_LIST:
1570                                 plain_text = FALSE;
1571                                 break;
1572                         case TARGET_TEXT_PLAIN:
1573                         default:
1574                                 plain_text = TRUE;
1575                                 break;
1576                         }
1577                 list = g_list_append(NULL, fd);
1578                 text = uri_text_from_filelist(list, &len, plain_text);
1579                 g_list_free(list);
1580                 if (text)
1581                         {
1582                         gtk_selection_data_set(selection_data, selection_data->target,
1583                                                8, (guchar *)text, len);
1584                         g_free(text);
1585                         }
1586                 }
1587         else
1588                 {
1589                 gtk_selection_data_set(selection_data, selection_data->target,
1590                                        8, NULL, 0);
1591                 }
1592 }
1593
1594 static void view_window_dnd_init(ViewWindow *vw)
1595 {
1596         ImageWindow *imd;
1597
1598         imd = vw->imd;
1599
1600         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1601                             dnd_file_drag_types, dnd_file_drag_types_count,
1602                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1603         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1604                          G_CALLBACK(view_window_set_dnd_data), vw);
1605
1606         gtk_drag_dest_set(imd->pr,
1607                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1608                           dnd_file_drop_types, dnd_file_drop_types_count,
1609                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1610         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1611                          G_CALLBACK(view_window_get_dnd_data), vw);
1612 }
1613
1614 /*
1615  *-----------------------------------------------------------------------------
1616  * maintenance (for rename, move, remove)
1617  *-----------------------------------------------------------------------------
1618  */
1619
1620 static void view_real_removed(ViewWindow *vw, FileData *fd)
1621 {
1622         ImageWindow *imd;
1623         FileData *image_fd;
1624
1625         imd = view_window_active_image(vw);
1626         image_fd = image_get_fd(imd);
1627
1628         if (image_fd && image_fd == fd)
1629                 {
1630                 if (vw->list)
1631                         {
1632                         view_list_step(vw, TRUE);
1633                         if (image_get_fd(imd) == image_fd)
1634                                 {
1635                                 view_list_step(vw, FALSE);
1636                                 }
1637                         }
1638                 else if (view_window_contains_collection(vw))
1639                         {
1640                         view_collection_step(vw, TRUE);
1641                         if (image_get_fd(imd) == image_fd)
1642                                 {
1643                                 view_collection_step(vw, FALSE);
1644                                 }
1645                         }
1646                 if (image_get_fd(imd) == image_fd)
1647                         {
1648                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1649                         }
1650                 }
1651
1652         if (vw->list)
1653                 {
1654                 GList *work;
1655                 GList *old;
1656
1657                 old = vw->list_pointer;
1658
1659                 work = vw->list;
1660                 while (work)
1661                         {
1662                         FileData *chk_fd;
1663                         GList *chk_link;
1664
1665                         chk_fd = work->data;
1666                         chk_link = work;
1667                         work = work->next;
1668
1669                         if (chk_fd == fd)
1670                                 {
1671                                 if (vw->list_pointer == chk_link)
1672                                         {
1673                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1674                                         }
1675                                 vw->list = g_list_remove(vw->list, chk_fd);
1676                                 file_data_unref(chk_fd);
1677                                 }
1678                         }
1679
1680                 /* handles stepping correctly when same image is in the list more than once */
1681                 if (old && old != vw->list_pointer)
1682                         {
1683                         FileData *fd;
1684
1685                         if (vw->list_pointer)
1686                                 {
1687                                 fd = vw->list_pointer->data;
1688                                 }
1689                         else
1690                                 {
1691                                 fd = NULL;
1692                                 }
1693
1694                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1695                         }
1696                 }
1697
1698         image_osd_update(imd);
1699 }
1700
1701 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1702 {
1703         ViewWindow *vw = data;
1704
1705         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1706
1707         switch (fd->change->type)
1708                 {
1709                 case FILEDATA_CHANGE_MOVE:
1710                 case FILEDATA_CHANGE_RENAME:
1711                         break;
1712                 case FILEDATA_CHANGE_COPY:
1713                         break;
1714                 case FILEDATA_CHANGE_DELETE:
1715                         view_real_removed(vw, fd);
1716                         break;
1717                 case FILEDATA_CHANGE_UNSPECIFIED:
1718                 case FILEDATA_CHANGE_WRITE_METADATA:
1719                         break;
1720                 }
1721 }
1722 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */