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         int count;
 890         for (count = 10; count && !w && !h; count++)
 891                 {
 892                 image_get_image_size(vw->imd, &w, &h);
 893                 usleep(100000);
 894                 }
 895
 896         if (image_zoom_get(vw->imd) == 0.0)
 897                 {
 898                 image_get_image_size(vw->imd, &w, &h);
 899                 }
 900         else
 901                 {
 902                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 903                 }
 904         if (options->image.limit_window_size)
 905                 {
 906                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 907                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 908
 909                 if (w > mw) w = mw;
 910                 if (h > mh) h = mh;
 911                 }
 912
 913         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 914         req_size.x = req_size.y = 0;
 915         req_size.width = w;
 916         req_size.height = h;
 917         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 918
 919         gtk_widget_set_size_request(vw->imd->pr, w, h);
 920
 921         gtk_widget_show(vw->window);
 922
 923         view_window_list = g_list_append(view_window_list, vw);
 924
 925         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 926
 927         return vw;
 928 }
 929
 930 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 931 {
 932         CollectionData *cd = data;
 933
 934         collection_unref(cd);
 935 }
 936
 937 void view_window_new(FileData *fd)
 938 {
 939         GList *list;
 940
 941         if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 942                 {
 943                 ViewWindow *vw;
 944                 CollectionData *cd;
 945                 CollectInfo *info;
 946
 947                 cd = collection_new(fd->path);
 948                 if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 949                         {
 950                         info = collection_get_first(cd);
 951                         }
 952                 else
 953                         {
 954                         collection_unref(cd);
 955                         cd = NULL;
 956                         info = NULL;
 957                         }
 958                 vw = real_view_window_new(NULL, NULL, cd, info);
 959                 if (vw && cd)
 960                         {
 961                         g_signal_connect(G_OBJECT(vw->window), "destroy",
 962                                          G_CALLBACK(view_window_collection_unref_cb), cd);
 963                         }
 964                 }
 965         else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 966                 {
 967                 list = filelist_sort_path(list);
 968                 list = filelist_filter(list, FALSE);
 969                 real_view_window_new(NULL, list, NULL, NULL);
 970                 filelist_free(list);
 971                 }
 972         else
 973                 {
 974                 real_view_window_new(fd, NULL, NULL, NULL);
 975                 }
 976 }
 977
 978 void view_window_new_from_list(GList *list)
 979 {
 980         real_view_window_new(NULL, list, NULL, NULL);
 981 }
 982
 983 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 984 {
 985         real_view_window_new(NULL, NULL, cd, info);
 986 }
 987
 988 /*
 989  *-----------------------------------------------------------------------------
 990  * public
 991  *-----------------------------------------------------------------------------
 992  */
 993
 994 void view_window_colors_update(void)
 995 {
 996         GList *work;
 997
 998         work = view_window_list;
 999         while (work)
1000                 {
1001                 ViewWindow *vw = work->data;
1002                 work = work->next;
1003
1004                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1005                 }
1006 }
1007
1008 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1009 {
1010         GList *work;
1011
1012         work = view_window_list;
1013         while (work)
1014                 {
1015                 ViewWindow *vw = work->data;
1016                 work = work->next;
1017
1018                 if (vw->imd == imd ||
1019                     (vw->fs && vw->fs->imd == imd))
1020                         {
1021                         if (vw->ss)
1022                                 {
1023                                 gint n;
1024                                 gint t;
1025
1026                                 n = g_list_length(vw->ss->list_done);
1027                                 t = n + g_list_length(vw->ss->list);
1028                                 if (n == 0) n = t;
1029                                 if (index) *index = n - 1;
1030                                 if (total) *total = t;
1031                                 }
1032                         else
1033                                 {
1034                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1035                                 if (total) *total = g_list_length(vw->list);
1036                                 }
1037                         return TRUE;
1038                         }
1039                 }
1040
1041         return FALSE;
1042 }
1043
1044 /*
1045  *-----------------------------------------------------------------------------
1046  * view window menu routines and callbacks
1047  *-----------------------------------------------------------------------------
1048  */
1049
1050 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1051 {
1052         ViewWindow *vw = data;
1053         CollectionData *cd;
1054         CollectInfo *info;
1055
1056         cd = image_get_collection(vw->imd, &info);
1057
1058         if (cd && info)
1059                 {
1060                 view_window_new_from_collection(cd, info);
1061                 }
1062         else
1063                 {
1064                 view_window_new(image_get_fd(vw->imd));
1065                 }
1066 }
1067
1068 static void view_edit_cb(GtkWidget *widget, gpointer data)
1069 {
1070         ViewWindow *vw;
1071         ImageWindow *imd;
1072         const gchar *key = data;
1073
1074         vw = submenu_item_get_data(widget);
1075         if (!vw) return;
1076
1077         if (!editor_window_flag_set(key))
1078                 {
1079                 view_fullscreen_toggle(vw, TRUE);
1080                 }
1081
1082         imd = view_window_active_image(vw);
1083         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1084 }
1085
1086 static void view_alter_cb(GtkWidget *widget, gpointer data)
1087 {
1088         ViewWindow *vw;
1089         AlterType type;
1090
1091         vw = submenu_item_get_data(widget);
1092         type = GPOINTER_TO_INT(data);
1093
1094         if (!vw) return;
1095         image_alter_orientation(vw->imd, type);
1096 }
1097
1098 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1099 {
1100         ViewWindow *vw = data;
1101         ImageWindow *imd;
1102
1103         imd = view_window_active_image(vw);
1104         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1105 }
1106
1107 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1108 {
1109         ViewWindow *vw = data;
1110
1111         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1112 }
1113
1114 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1115 {
1116         ViewWindow *vw = data;
1117
1118         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1119 }
1120
1121 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1122 {
1123         ViewWindow *vw = data;
1124
1125         image_zoom_set(view_window_active_image(vw), 1.0);
1126 }
1127
1128 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1129 {
1130         ViewWindow *vw = data;
1131
1132         image_zoom_set(view_window_active_image(vw), 0.0);
1133 }
1134
1135 static void view_copy_cb(GtkWidget *widget, gpointer data)
1136 {
1137         ViewWindow *vw = data;
1138         ImageWindow *imd;
1139
1140         imd = view_window_active_image(vw);
1141         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1142 }
1143
1144 static void view_move_cb(GtkWidget *widget, gpointer data)
1145 {
1146         ViewWindow *vw = data;
1147         ImageWindow *imd;
1148
1149         imd = view_window_active_image(vw);
1150         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1151 }
1152
1153 static void view_rename_cb(GtkWidget *widget, gpointer data)
1154 {
1155         ViewWindow *vw = data;
1156         ImageWindow *imd;
1157
1158         imd = view_window_active_image(vw);
1159         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1160 }
1161
1162 static void view_delete_cb(GtkWidget *widget, gpointer data)
1163 {
1164         ViewWindow *vw = data;
1165         ImageWindow *imd;
1166
1167         imd = view_window_active_image(vw);
1168         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1169 }
1170
1171 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1172 {
1173         ViewWindow *vw = data;
1174         ImageWindow *imd;
1175
1176         imd = view_window_active_image(vw);
1177         file_util_copy_path_to_clipboard(image_get_fd(imd));
1178 }
1179
1180 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1181 {
1182         ViewWindow *vw = data;
1183
1184         view_fullscreen_toggle(vw, FALSE);
1185 }
1186
1187 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1188 {
1189         ViewWindow *vw = data;
1190
1191         view_slideshow_start(vw);
1192 }
1193
1194 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1195 {
1196         ViewWindow *vw = data;
1197
1198         view_slideshow_stop(vw);
1199 }
1200
1201 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1202 {
1203         ViewWindow *vw = data;
1204
1205         slideshow_pause_toggle(vw->ss);
1206 }
1207
1208 static void view_close_cb(GtkWidget *widget, gpointer data)
1209 {
1210         ViewWindow *vw = data;
1211
1212         view_window_close(vw);
1213 }
1214
1215 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1216 {
1217         LayoutWindow *nw;
1218
1219         nw = layout_new(NULL, NULL);
1220         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1221         layout_set_fd(nw, fd);
1222         return nw;
1223 }
1224
1225
1226 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1227 {
1228         ViewWindow *vw = data;
1229         LayoutWindow *lw;
1230         ImageWindow *imd;
1231
1232         imd = view_window_active_image(vw);
1233
1234         if (!imd || !imd->image_fd) return;
1235
1236         lw = layout_find_by_image_fd(imd);
1237         if (lw)
1238                 layout_set_fd(lw, imd->image_fd);
1239         else
1240                 view_new_layout_with_fd(imd->image_fd);
1241         view_window_close(vw);
1242 }
1243
1244 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1245 {
1246         GList *editmenu_fd_list = data;
1247
1248         filelist_free(editmenu_fd_list);
1249 }
1250
1251 static GList *view_window_get_fd_list(ViewWindow *vw)
1252 {
1253         GList *list = NULL;
1254         ImageWindow *imd = view_window_active_image(vw);
1255
1256         if (imd)
1257                 {
1258                 FileData *fd = image_get_fd(imd);
1259                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1260                 }
1261
1262         return list;
1263 }
1264
1265 static GtkWidget *view_popup_menu(ViewWindow *vw)
1266 {
1267         GtkWidget *menu;
1268         GtkWidget *item;
1269         GList *editmenu_fd_list;
1270
1271         menu = popup_menu_short_lived();
1272
1273
1274         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1275         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1276         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1277         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1278         menu_item_add_divider(menu);
1279
1280         editmenu_fd_list = view_window_get_fd_list(vw);
1281         g_signal_connect(G_OBJECT(menu), "destroy",
1282                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1283         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1284         menu_item_add_divider(item);
1285         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1286
1287         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1288
1289         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1290         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1291
1292         menu_item_add_divider(menu);
1293         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1294         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1295         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1296         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1297         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1298
1299         menu_item_add_divider(menu);
1300
1301         if (vw->ss)
1302                 {
1303                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1304                 if (slideshow_paused(vw->ss))
1305                         {
1306                         item = menu_item_add(menu, _("Continue slides_how"),
1307                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1308                         }
1309                 else
1310                         {
1311                         item = menu_item_add(menu, _("Pause slides_how"),
1312                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1313                         }
1314                 }
1315         else
1316                 {
1317                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1318                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1319                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1320                 gtk_widget_set_sensitive(item, FALSE);
1321                 }
1322
1323         if (vw->fs)
1324                 {
1325                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1326                 }
1327         else
1328                 {
1329                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1330                 }
1331
1332         menu_item_add_divider(menu);
1333         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1334
1335         return menu;
1336 }
1337
1338 /*
1339  *-------------------------------------------------------------------
1340  * dnd confirm dir
1341  *-------------------------------------------------------------------
1342  */
1343
1344 typedef struct {
1345         ViewWindow *vw;
1346         GList *list;
1347 } CViewConfirmD;
1348
1349 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1350 {
1351         /* do nothing */
1352 }
1353
1354 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1355 {
1356         GList *work;
1357
1358         view_window_set_list(vw, NULL);
1359
1360         work = list;
1361         while (work)
1362                 {
1363                 FileData *fd = work->data;
1364                 work = work->next;
1365
1366                 if (isdir(fd->path))
1367                         {
1368                         if (!skip)
1369                                 {
1370                                 GList *list = NULL;
1371
1372                                 if (recurse)
1373                                         {
1374                                         list = filelist_recursive(fd);
1375                                         }
1376                                 else
1377                                         { /*FIXME */
1378                                         filelist_read(fd, &list, NULL);
1379                                         list = filelist_sort_path(list);
1380                                         list = filelist_filter(list, FALSE);
1381                                         }
1382                                 if (list) vw->list = g_list_concat(vw->list, list);
1383                                 }
1384                         }
1385                 else
1386                         {
1387                         /* FIXME: no filtering here */
1388                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1389                         }
1390                 }
1391
1392         if (vw->list)
1393                 {
1394                 FileData *fd;
1395
1396                 vw->list_pointer = vw->list;
1397                 fd = vw->list->data;
1398                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1399
1400                 work = vw->list->next;
1401                 if (options->image.enable_read_ahead && work)
1402                         {
1403                         fd = work->data;
1404                         image_prebuffer_set(vw->imd, fd);
1405                         }
1406                 }
1407         else
1408                 {
1409                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1410                 }
1411 }
1412
1413 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1414 {
1415         CViewConfirmD *d = data;
1416         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1417 }
1418
1419 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1420 {
1421         CViewConfirmD *d = data;
1422         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1423 }
1424
1425 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1426 {
1427         CViewConfirmD *d = data;
1428         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1429 }
1430
1431 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1432 {
1433         CViewConfirmD *d = data;
1434         filelist_free(d->list);
1435         g_free(d);
1436 }
1437
1438 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1439 {
1440         GtkWidget *menu;
1441         CViewConfirmD *d;
1442
1443         d = g_new(CViewConfirmD, 1);
1444         d->vw = vw;
1445         d->list = list;
1446
1447         menu = popup_menu_short_lived();
1448         g_signal_connect(G_OBJECT(menu), "destroy",
1449                          G_CALLBACK(view_dir_list_destroy), d);
1450
1451         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1452         menu_item_add_divider(menu);
1453         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1454         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1455         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1456         menu_item_add_divider(menu);
1457         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1458
1459         return menu;
1460 }
1461
1462 /*
1463  *-----------------------------------------------------------------------------
1464  * image drag and drop routines
1465  *-----------------------------------------------------------------------------
1466  */
1467
1468 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1469                                      gint x, gint y,
1470                                      GtkSelectionData *selection_data, guint info,
1471                                      guint time, gpointer data)
1472 {
1473         ViewWindow *vw = data;
1474         ImageWindow *imd;
1475
1476         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1477
1478         imd = vw->imd;
1479
1480         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1481                 {
1482                 CollectionData *source;
1483                 GList *list;
1484                 GList *info_list;
1485
1486                 if (info == TARGET_URI_LIST)
1487                         {
1488                         GList *work;
1489
1490                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
1491
1492                         work = list;
1493                         while (work)
1494                                 {
1495                                 FileData *fd = work->data;
1496                                 if (isdir(fd->path))
1497                                         {
1498                                         GtkWidget *menu;
1499                                         menu = view_confirm_dir_list(vw, list);
1500                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1501                                         return;
1502                                         }
1503                                 work = work->next;
1504                                 }
1505
1506                         list = filelist_filter(list, FALSE);
1507
1508                         source = NULL;
1509                         info_list = NULL;
1510                         }
1511                 else
1512                         {
1513                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
1514                         }
1515
1516                 if (list)
1517                         {
1518                         FileData *fd;
1519
1520                         fd = list->data;
1521                         if (isfile(fd->path))
1522                                 {
1523                                 view_slideshow_stop(vw);
1524                                 view_window_set_list(vw, NULL);
1525
1526                                 if (source && info_list)
1527                                         {
1528                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1529                                         }
1530                                 else
1531                                         {
1532                                         if (list->next)
1533                                                 {
1534                                                 vw->list = list;
1535                                                 list = NULL;
1536
1537                                                 vw->list_pointer = vw->list;
1538                                                 }
1539                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1540                                         }
1541                                 }
1542                         }
1543                 filelist_free(list);
1544                 g_list_free(info_list);
1545                 }
1546 }
1547
1548 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1549                                      GtkSelectionData *selection_data, guint info,
1550                                      guint time, gpointer data)
1551 {
1552         ViewWindow *vw = data;
1553         FileData *fd;
1554
1555         fd = image_get_fd(vw->imd);
1556
1557         if (fd)
1558                 {
1559                 gchar *text = NULL;
1560                 gint len;
1561                 gboolean plain_text;
1562                 GList *list;
1563
1564                 switch (info)
1565                         {
1566                         case TARGET_URI_LIST:
1567                                 plain_text = FALSE;
1568                                 break;
1569                         case TARGET_TEXT_PLAIN:
1570                         default:
1571                                 plain_text = TRUE;
1572                                 break;
1573                         }
1574                 list = g_list_append(NULL, fd);
1575                 text = uri_text_from_filelist(list, &len, plain_text);
1576                 g_list_free(list);
1577                 if (text)
1578                         {
1579                         gtk_selection_data_set(selection_data, selection_data->target,
1580                                                8, (guchar *)text, len);
1581                         g_free(text);
1582                         }
1583                 }
1584         else
1585                 {
1586                 gtk_selection_data_set(selection_data, selection_data->target,
1587                                        8, NULL, 0);
1588                 }
1589 }
1590
1591 static void view_window_dnd_init(ViewWindow *vw)
1592 {
1593         ImageWindow *imd;
1594
1595         imd = vw->imd;
1596
1597         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1598                             dnd_file_drag_types, dnd_file_drag_types_count,
1599                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1600         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1601                          G_CALLBACK(view_window_set_dnd_data), vw);
1602
1603         gtk_drag_dest_set(imd->pr,
1604                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1605                           dnd_file_drop_types, dnd_file_drop_types_count,
1606                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1607         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1608                          G_CALLBACK(view_window_get_dnd_data), vw);
1609 }
1610
1611 /*
1612  *-----------------------------------------------------------------------------
1613  * maintenance (for rename, move, remove)
1614  *-----------------------------------------------------------------------------
1615  */
1616
1617 static void view_real_removed(ViewWindow *vw, FileData *fd)
1618 {
1619         ImageWindow *imd;
1620         FileData *image_fd;
1621
1622         imd = view_window_active_image(vw);
1623         image_fd = image_get_fd(imd);
1624
1625         if (image_fd && image_fd == fd)
1626                 {
1627                 if (vw->list)
1628                         {
1629                         view_list_step(vw, TRUE);
1630                         if (image_get_fd(imd) == image_fd)
1631                                 {
1632                                 view_list_step(vw, FALSE);
1633                                 }
1634                         }
1635                 else if (view_window_contains_collection(vw))
1636                         {
1637                         view_collection_step(vw, TRUE);
1638                         if (image_get_fd(imd) == image_fd)
1639                                 {
1640                                 view_collection_step(vw, FALSE);
1641                                 }
1642                         }
1643                 if (image_get_fd(imd) == image_fd)
1644                         {
1645                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1646                         }
1647                 }
1648
1649         if (vw->list)
1650                 {
1651                 GList *work;
1652                 GList *old;
1653
1654                 old = vw->list_pointer;
1655
1656                 work = vw->list;
1657                 while (work)
1658                         {
1659                         FileData *chk_fd;
1660                         GList *chk_link;
1661
1662                         chk_fd = work->data;
1663                         chk_link = work;
1664                         work = work->next;
1665
1666                         if (chk_fd == fd)
1667                                 {
1668                                 if (vw->list_pointer == chk_link)
1669                                         {
1670                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1671                                         }
1672                                 vw->list = g_list_remove(vw->list, chk_fd);
1673                                 file_data_unref(chk_fd);
1674                                 }
1675                         }
1676
1677                 /* handles stepping correctly when same image is in the list more than once */
1678                 if (old && old != vw->list_pointer)
1679                         {
1680                         FileData *fd;
1681
1682                         if (vw->list_pointer)
1683                                 {
1684                                 fd = vw->list_pointer->data;
1685                                 }
1686                         else
1687                                 {
1688                                 fd = NULL;
1689                                 }
1690
1691                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1692                         }
1693                 }
1694
1695         image_osd_update(imd);
1696 }
1697
1698 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1699 {
1700         ViewWindow *vw = data;
1701
1702         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1703
1704         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1705
1706         switch (fd->change->type)
1707                 {
1708                 case FILEDATA_CHANGE_MOVE:
1709                 case FILEDATA_CHANGE_RENAME:
1710                         break;
1711                 case FILEDATA_CHANGE_COPY:
1712                         break;
1713                 case FILEDATA_CHANGE_DELETE:
1714                         view_real_removed(vw, fd);
1715                         break;
1716                 case FILEDATA_CHANGE_UNSPECIFIED:
1717                 case FILEDATA_CHANGE_WRITE_METADATA:
1718                         break;
1719                 }
1720 }
1721 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */