src/layout_image.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 #include "main.h"
  14 #include "layout_image.h"
  15
  16 #include "collect.h"
  17 #include "color-man.h"
  18 #include "dnd.h"
  19 #include "editors.h"
  20 #include "filedata.h"
  21 #include "fullscreen.h"
  22 #include "image.h"
  23 #include "image-overlay.h"
  24 #include "img-view.h"
  25 #include "layout.h"
  26 #include "layout_util.h"
  27 #include "menu.h"
  28 #include "misc.h"
  29 #include "pixbuf_util.h"
  30 #include "pixbuf-renderer.h"
  31 #include "slideshow.h"
  32 #include "ui_fileops.h"
  33 #include "ui_menu.h"
  34 #include "uri_utils.h"
  35 #include "utilops.h"
  36 #include "view_file.h"
  37
  38 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  39
  40
  41 static GtkWidget *layout_image_pop_menu(LayoutWindow *lw);
  42 static void layout_image_set_buttons(LayoutWindow *lw);
  43
  44 /*
  45  *----------------------------------------------------------------------------
  46  * full screen overlay
  47  *----------------------------------------------------------------------------
  48  */
  49
  50 void layout_image_overlay_toggle(LayoutWindow *lw)
  51 {
  52         if (!lw) return;
  53         image_osd_toggle(lw->image);
  54 }
  55
  56 /*
  57  *----------------------------------------------------------------------------
  58  * full screen
  59  *----------------------------------------------------------------------------
  60  */
  61
  62 static void layout_image_full_screen_stop_func(FullScreenData *fs, gpointer data)
  63 {
  64         LayoutWindow *lw = data;
  65
  66         /* restore image window */
  67         lw->image = fs->normal_imd;
  68
  69         lw->full_screen = NULL;
  70 }
  71
  72 void layout_image_full_screen_start(LayoutWindow *lw)
  73 {
  74         if (!layout_valid(&lw)) return;
  75
  76         if (lw->full_screen) return;
  77
  78         lw->full_screen = fullscreen_start(lw->window, lw->image,
  79                                            layout_image_full_screen_stop_func, lw);
  80
  81         /* set to new image window */
  82         lw->image = lw->full_screen->imd;
  83
  84         layout_image_set_buttons(lw);
  85
  86         g_signal_connect(G_OBJECT(lw->full_screen->window), "key_press_event",
  87                          G_CALLBACK(layout_key_press_cb), lw);
  88
  89         layout_actions_add_window(lw, lw->full_screen->window);
  90 #if 0
  91         gtk_widget_set_sensitive(lw->window, FALSE);
  92         if (lw->tools) gtk_widget_set_sensitive(lw->tools, FALSE);
  93 #endif
  94
  95         image_osd_copy_status(lw->full_screen->normal_imd, lw->image);
  96 }
  97
  98 void layout_image_full_screen_stop(LayoutWindow *lw)
  99 {
 100         if (!layout_valid(&lw)) return;
 101         if (!lw->full_screen) return;
 102
 103         image_osd_copy_status(lw->image, lw->full_screen->normal_imd);
 104
 105         fullscreen_stop(lw->full_screen);
 106
 107 #if 0
 108         gtk_widget_set_sensitive(lw->window, TRUE);
 109         if (lw->tools) gtk_widget_set_sensitive(lw->tools, TRUE);
 110 #endif
 111 }
 112
 113 void layout_image_full_screen_toggle(LayoutWindow *lw)
 114 {
 115         if (!layout_valid(&lw)) return;
 116         if (lw->full_screen)
 117                 {
 118                 layout_image_full_screen_stop(lw);
 119                 }
 120         else
 121                 {
 122                 layout_image_full_screen_start(lw);
 123                 }
 124 }
 125
 126 gboolean layout_image_full_screen_active(LayoutWindow *lw)
 127 {
 128         if (!layout_valid(&lw)) return FALSE;
 129
 130         return (lw->full_screen != NULL);
 131 }
 132
 133 /*
 134  *----------------------------------------------------------------------------
 135  * slideshow
 136  *----------------------------------------------------------------------------
 137  */
 138
 139 static void layout_image_slideshow_next(LayoutWindow *lw)
 140 {
 141         if (lw->slideshow) slideshow_next(lw->slideshow);
 142 }
 143
 144 static void layout_image_slideshow_prev(LayoutWindow *lw)
 145 {
 146         if (lw->slideshow) slideshow_prev(lw->slideshow);
 147 }
 148
 149 static void layout_image_slideshow_stop_func(SlideShowData *ss, gpointer data)
 150 {
 151         LayoutWindow *lw = data;
 152
 153         lw->slideshow = NULL;
 154         layout_status_update_info(lw, NULL);
 155 }
 156
 157 void layout_image_slideshow_start(LayoutWindow *lw)
 158 {
 159         CollectionData *cd;
 160         CollectInfo *info;
 161
 162         if (!layout_valid(&lw)) return;
 163         if (lw->slideshow) return;
 164
 165         cd = image_get_collection(lw->image, &info);
 166
 167         if (cd && info)
 168                 {
 169                 lw->slideshow = slideshow_start_from_collection(lw, NULL, cd,
 170                                 layout_image_slideshow_stop_func, lw, info);
 171                 }
 172         else
 173                 {
 174                 lw->slideshow = slideshow_start(lw,
 175                                 layout_list_get_index(lw, layout_image_get_fd(lw)),
 176                                 layout_image_slideshow_stop_func, lw);
 177                 }
 178
 179         layout_status_update_info(lw, NULL);
 180 }
 181
 182 /* note that slideshow will take ownership of the list, do not free it */
 183 void layout_image_slideshow_start_from_list(LayoutWindow *lw, GList *list)
 184 {
 185         if (!layout_valid(&lw)) return;
 186
 187         if (lw->slideshow || !list)
 188                 {
 189                 filelist_free(list);
 190                 return;
 191                 }
 192
 193         lw->slideshow = slideshow_start_from_filelist(lw, NULL, list,
 194                                                        layout_image_slideshow_stop_func, lw);
 195
 196         layout_status_update_info(lw, NULL);
 197 }
 198
 199 void layout_image_slideshow_stop(LayoutWindow *lw)
 200 {
 201         if (!layout_valid(&lw)) return;
 202
 203         if (!lw->slideshow) return;
 204
 205         slideshow_free(lw->slideshow);
 206         /* the stop_func sets lw->slideshow to NULL for us */
 207 }
 208
 209 void layout_image_slideshow_toggle(LayoutWindow *lw)
 210 {
 211         if (!layout_valid(&lw)) return;
 212
 213         if (lw->slideshow)
 214                 {
 215                 layout_image_slideshow_stop(lw);
 216                 }
 217         else
 218                 {
 219                 layout_image_slideshow_start(lw);
 220                 }
 221 }
 222
 223 gboolean layout_image_slideshow_active(LayoutWindow *lw)
 224 {
 225         if (!layout_valid(&lw)) return FALSE;
 226
 227         return (lw->slideshow != NULL);
 228 }
 229
 230 gboolean layout_image_slideshow_pause_toggle(LayoutWindow *lw)
 231 {
 232         gboolean ret;
 233
 234         if (!layout_valid(&lw)) return FALSE;
 235
 236         ret = slideshow_pause_toggle(lw->slideshow);
 237
 238         layout_status_update_info(lw, NULL);
 239
 240         return ret;
 241 }
 242
 243 gboolean layout_image_slideshow_paused(LayoutWindow *lw)
 244 {
 245         if (!layout_valid(&lw)) return FALSE;
 246
 247         return (slideshow_paused(lw->slideshow));
 248 }
 249
 250 static gboolean layout_image_slideshow_continue_check(LayoutWindow *lw)
 251 {
 252         if (!lw->slideshow) return FALSE;
 253
 254         if (!slideshow_should_continue(lw->slideshow))
 255                 {
 256                 layout_image_slideshow_stop(lw);
 257                 return FALSE;
 258                 }
 259
 260         return TRUE;
 261 }
 262
 263 /*
 264  *----------------------------------------------------------------------------
 265  * pop-up menus
 266  *----------------------------------------------------------------------------
 267  */
 268
 269 static void li_pop_menu_zoom_in_cb(GtkWidget *widget, gpointer data)
 270 {
 271         LayoutWindow *lw = data;
 272
 273         layout_image_zoom_adjust(lw, get_zoom_increment(), FALSE);
 274 }
 275
 276 static void li_pop_menu_zoom_out_cb(GtkWidget *widget, gpointer data)
 277 {
 278         LayoutWindow *lw = data;
 279         layout_image_zoom_adjust(lw, -get_zoom_increment(), FALSE);
 280 }
 281
 282 static void li_pop_menu_zoom_1_1_cb(GtkWidget *widget, gpointer data)
 283 {
 284         LayoutWindow *lw = data;
 285
 286         layout_image_zoom_set(lw, 1.0, FALSE);
 287 }
 288
 289 static void li_pop_menu_zoom_fit_cb(GtkWidget *widget, gpointer data)
 290 {
 291         LayoutWindow *lw = data;
 292
 293         layout_image_zoom_set(lw, 0.0, FALSE);
 294 }
 295
 296 static void li_pop_menu_edit_cb(GtkWidget *widget, gpointer data)
 297 {
 298         LayoutWindow *lw;
 299         const gchar *key = data;
 300
 301         lw = submenu_item_get_data(widget);
 302
 303         if (!editor_window_flag_set(key))
 304                 {
 305                 layout_image_full_screen_stop(lw);
 306                 }
 307         file_util_start_editor_from_file(key, layout_image_get_fd(lw), lw->window);
 308 }
 309
 310 static void li_pop_menu_wallpaper_cb(GtkWidget *widget, gpointer data)
 311 {
 312         LayoutWindow *lw = data;
 313
 314         layout_image_to_root(lw);
 315 }
 316
 317 static void li_pop_menu_alter_cb(GtkWidget *widget, gpointer data)
 318 {
 319         LayoutWindow *lw = data;
 320         AlterType type;
 321
 322         lw = submenu_item_get_data(widget);
 323         type = (AlterType)GPOINTER_TO_INT(data);
 324
 325         image_alter_orientation(lw->image, type);
 326 }
 327
 328 static void li_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 329 {
 330         LayoutWindow *lw = data;
 331
 332         view_window_new(layout_image_get_fd(lw));
 333 }
 334
 335 static GtkWidget *li_pop_menu_click_parent(GtkWidget *widget, LayoutWindow *lw)
 336 {
 337         GtkWidget *menu;
 338         GtkWidget *parent;
 339
 340         menu = gtk_widget_get_toplevel(widget);
 341         if (!menu) return NULL;
 342
 343         parent = g_object_get_data(G_OBJECT(menu), "click_parent");
 344
 345         if (!parent && lw->full_screen)
 346                 {
 347                 parent = lw->full_screen->imd->widget;
 348                 }
 349
 350         return parent;
 351 }
 352
 353 static void li_pop_menu_copy_cb(GtkWidget *widget, gpointer data)
 354 {
 355         LayoutWindow *lw = data;
 356
 357         file_util_copy(layout_image_get_fd(lw), NULL, NULL,
 358                        li_pop_menu_click_parent(widget, lw));
 359 }
 360
 361 static void li_pop_menu_copy_path_cb(GtkWidget *widget, gpointer data)
 362 {
 363         LayoutWindow *lw = data;
 364
 365         file_util_copy_path_to_clipboard(layout_image_get_fd(lw));
 366 }
 367
 368 static void li_pop_menu_move_cb(GtkWidget *widget, gpointer data)
 369 {
 370         LayoutWindow *lw = data;
 371
 372         file_util_move(layout_image_get_fd(lw), NULL, NULL,
 373                        li_pop_menu_click_parent(widget, lw));
 374 }
 375
 376 static void li_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 377 {
 378         LayoutWindow *lw = data;
 379
 380         file_util_rename(layout_image_get_fd(lw), NULL,
 381                          li_pop_menu_click_parent(widget, lw));
 382 }
 383
 384 static void li_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
 385 {
 386         LayoutWindow *lw = data;
 387
 388         file_util_delete(layout_image_get_fd(lw), NULL,
 389                          li_pop_menu_click_parent(widget, lw));
 390 }
 391
 392 static void li_pop_menu_slide_start_cb(GtkWidget *widget, gpointer data)
 393 {
 394         LayoutWindow *lw = data;
 395
 396         layout_image_slideshow_start(lw);
 397 }
 398
 399 static void li_pop_menu_slide_stop_cb(GtkWidget *widget, gpointer data)
 400 {
 401         LayoutWindow *lw = data;
 402
 403         layout_image_slideshow_stop(lw);
 404 }
 405
 406 static void li_pop_menu_slide_pause_cb(GtkWidget *widget, gpointer data)
 407 {
 408         LayoutWindow *lw = data;
 409
 410         layout_image_slideshow_pause_toggle(lw);
 411 }
 412
 413 static void li_pop_menu_full_screen_cb(GtkWidget *widget, gpointer data)
 414 {
 415         LayoutWindow *lw = data;
 416
 417         layout_image_full_screen_toggle(lw);
 418 }
 419
 420 static void li_pop_menu_hide_cb(GtkWidget *widget, gpointer data)
 421 {
 422         LayoutWindow *lw = data;
 423
 424         layout_tools_hide_toggle(lw);
 425 }
 426
 427 static void li_set_layout_path_cb(GtkWidget *widget, gpointer data)
 428 {
 429         LayoutWindow *lw = data;
 430         FileData *fd;
 431
 432         if (!layout_valid(&lw)) return;
 433
 434         fd = layout_image_get_fd(lw);
 435         if (fd) layout_set_fd(lw, fd);
 436 }
 437
 438 static gboolean li_check_if_current_path(LayoutWindow *lw, const gchar *path)
 439 {
 440         gchar *dirname;
 441         gboolean ret;
 442
 443         if (!path || !layout_valid(&lw) || !lw->dir_fd) return FALSE;
 444
 445         dirname = g_path_get_dirname(path);
 446         ret = (strcmp(lw->dir_fd->path, dirname) == 0);
 447         g_free(dirname);
 448         return ret;
 449 }
 450
 451 static void layout_image_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
 452 {
 453         GList *editmenu_fd_list = data;
 454
 455         filelist_free(editmenu_fd_list);
 456 }
 457
 458 static GList *layout_image_get_fd_list(LayoutWindow *lw)
 459 {
 460         GList *list = NULL;
 461         FileData *fd = layout_image_get_fd(lw);
 462
 463         if (fd)
 464                 {
 465                 if (lw->vf)
 466                         /* optionally include sidecars if the filelist entry is not expanded */
 467                         list = vf_selection_get_one(lw->vf, fd);
 468                 else
 469                         list = g_list_append(NULL, file_data_ref(fd));
 470                 }
 471
 472         return list;
 473 }
 474
 475 static GtkWidget *layout_image_pop_menu(LayoutWindow *lw)
 476 {
 477         GtkWidget *menu;
 478         GtkWidget *item;
 479         GtkWidget *submenu;
 480         const gchar *path;
 481         gboolean fullscreen;
 482         GList *editmenu_fd_list;
 483
 484         path = layout_image_get_path(lw);
 485         fullscreen = layout_image_full_screen_active(lw);
 486
 487         menu = popup_menu_short_lived();
 488
 489         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(li_pop_menu_zoom_in_cb), lw);
 490         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(li_pop_menu_zoom_out_cb), lw);
 491         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(li_pop_menu_zoom_1_1_cb), lw);
 492         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(li_pop_menu_zoom_fit_cb), lw);
 493         menu_item_add_divider(menu);
 494
 495         editmenu_fd_list = layout_image_get_fd_list(lw);
 496         g_signal_connect(G_OBJECT(menu), "destroy",
 497                          G_CALLBACK(layout_image_popup_menu_destroy_cb), editmenu_fd_list);
 498         submenu = submenu_add_edit(menu, &item, G_CALLBACK(li_pop_menu_edit_cb), lw, editmenu_fd_list);
 499         if (!path) gtk_widget_set_sensitive(item, FALSE);
 500         menu_item_add_divider(submenu);
 501         menu_item_add(submenu, _("Set as _wallpaper"), G_CALLBACK(li_pop_menu_wallpaper_cb), lw);
 502
 503         item = submenu_add_alter(menu, G_CALLBACK(li_pop_menu_alter_cb), lw);
 504
 505         item = menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(li_pop_menu_new_cb), lw);
 506         if (!path || fullscreen) gtk_widget_set_sensitive(item, FALSE);
 507
 508         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(li_set_layout_path_cb), lw);
 509         if (!path || li_check_if_current_path(lw, path)) gtk_widget_set_sensitive(item, FALSE);
 510
 511         menu_item_add_divider(menu);
 512
 513         item = menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(li_pop_menu_copy_cb), lw);
 514         if (!path) gtk_widget_set_sensitive(item, FALSE);
 515         item = menu_item_add(menu, _("_Move..."), G_CALLBACK(li_pop_menu_move_cb), lw);
 516         if (!path) gtk_widget_set_sensitive(item, FALSE);
 517         item = menu_item_add(menu, _("_Rename..."), G_CALLBACK(li_pop_menu_rename_cb), lw);
 518         if (!path) gtk_widget_set_sensitive(item, FALSE);
 519         item = menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(li_pop_menu_delete_cb), lw);
 520         if (!path) gtk_widget_set_sensitive(item, FALSE);
 521
 522         item = menu_item_add(menu, _("_Copy path"), G_CALLBACK(li_pop_menu_copy_path_cb), lw);
 523         if (!path) gtk_widget_set_sensitive(item, FALSE);
 524
 525         menu_item_add_divider(menu);
 526
 527         if (layout_image_slideshow_active(lw))
 528                 {
 529                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(li_pop_menu_slide_stop_cb), lw);
 530                 if (layout_image_slideshow_paused(lw))
 531                         {
 532                         item = menu_item_add(menu, _("Continue slides_how"),
 533                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 534                         }
 535                 else
 536                         {
 537                         item = menu_item_add(menu, _("Pause slides_how"),
 538                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 539                         }
 540                 }
 541         else
 542                 {
 543                 menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(li_pop_menu_slide_start_cb), lw);
 544                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 545                 gtk_widget_set_sensitive(item, FALSE);
 546                 }
 547
 548         if (!fullscreen)
 549                 {
 550                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
 551                 }
 552         else
 553                 {
 554                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
 555                 }
 556
 557         menu_item_add_divider(menu);
 558
 559         item = menu_item_add_check(menu, _("Hide file _list"), lw->options.tools_hidden,
 560                                    G_CALLBACK(li_pop_menu_hide_cb), lw);
 561         if (fullscreen) gtk_widget_set_sensitive(item, FALSE);
 562
 563         return menu;
 564 }
 565
 566 static void layout_image_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 567 {
 568         LayoutWindow *lw = data;
 569
 570         gdk_window_get_origin(lw->image->pr->window, x, y);
 571         popup_menu_position_clamp(menu, x, y, 0);
 572 }
 573
 574 void layout_image_menu_popup(LayoutWindow *lw)
 575 {
 576         GtkWidget *menu;
 577
 578         menu = layout_image_pop_menu(lw);
 579         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, layout_image_menu_pos_cb, lw, 0, GDK_CURRENT_TIME);
 580 }
 581
 582 /*
 583  *----------------------------------------------------------------------------
 584  * dnd
 585  *----------------------------------------------------------------------------
 586  */
 587
 588 static void layout_image_dnd_receive(GtkWidget *widget, GdkDragContext *context,
 589                                      gint x, gint y,
 590                                      GtkSelectionData *selection_data, guint info,
 591                                      guint time, gpointer data)
 592 {
 593         LayoutWindow *lw = data;
 594         gint i;
 595
 596
 597         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 598                 {
 599                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
 600                         break;
 601                 }
 602         if (i < MAX_SPLIT_IMAGES)
 603                 {
 604                 DEBUG_1("dnd image activate %d", i);
 605                 layout_image_activate(lw, i, FALSE);
 606                 }
 607
 608
 609         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
 610                 {
 611                 CollectionData *source;
 612                 GList *list;
 613                 GList *info_list;
 614
 615                 if (info == TARGET_URI_LIST)
 616                         {
 617                         list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
 618                         source = NULL;
 619                         info_list = NULL;
 620                         }
 621                 else
 622                         {
 623                         source = collection_from_dnd_data((gchar *)selection_data->data, &list, &info_list);
 624                         }
 625
 626                 if (list)
 627                         {
 628                         FileData *fd = list->data;
 629
 630                         if (isfile(fd->path))
 631                                 {
 632                                 gchar *base;
 633                                 gint row;
 634                                 FileData *dir_fd;
 635
 636                                 base = remove_level_from_path(fd->path);
 637                                 dir_fd = file_data_new_simple(base);
 638                                 if (dir_fd != lw->dir_fd)
 639                                         {
 640                                         layout_set_fd(lw, dir_fd);
 641                                         }
 642                                 file_data_unref(dir_fd);
 643                                 g_free(base);
 644
 645                                 row = layout_list_get_index(lw, fd);
 646                                 if (source && info_list)
 647                                         {
 648                                         layout_image_set_collection(lw, source, info_list->data);
 649                                         }
 650                                 else if (row == -1)
 651                                         {
 652                                         layout_image_set_fd(lw, fd);
 653                                         }
 654                                 else
 655                                         {
 656                                         layout_image_set_index(lw, row);
 657                                         }
 658                                 }
 659                         else if (isdir(fd->path))
 660                                 {
 661                                 layout_set_fd(lw, fd);
 662                                 layout_image_set_fd(lw, NULL);
 663                                 }
 664                         }
 665
 666                 filelist_free(list);
 667                 g_list_free(info_list);
 668                 }
 669 }
 670
 671 static void layout_image_dnd_get(GtkWidget *widget, GdkDragContext *context,
 672                                  GtkSelectionData *selection_data, guint info,
 673                                  guint time, gpointer data)
 674 {
 675         LayoutWindow *lw = data;
 676         FileData *fd;
 677         gint i;
 678
 679
 680         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 681                 {
 682                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
 683                         break;
 684                 }
 685         if (i < MAX_SPLIT_IMAGES)
 686                 {
 687                 DEBUG_1("dnd get from %d", i);
 688                 fd = image_get_fd(lw->split_images[i]);
 689                 }
 690         else
 691                 fd = layout_image_get_fd(lw);
 692
 693         if (fd)
 694                 {
 695                 gchar *text = NULL;
 696                 gint len;
 697                 gboolean plain_text;
 698                 GList *list;
 699
 700                 switch (info)
 701                         {
 702                         case TARGET_URI_LIST:
 703                                 plain_text = FALSE;
 704                                 break;
 705                         case TARGET_TEXT_PLAIN:
 706                         default:
 707                                 plain_text = TRUE;
 708                                 break;
 709                         }
 710                 list = g_list_append(NULL, fd);
 711                 text = uri_text_from_filelist(list, &len, plain_text);
 712                 g_list_free(list);
 713                 if (text)
 714                         {
 715                         gtk_selection_data_set(selection_data, selection_data->target,
 716                                                8, (guchar *)text, len);
 717                         g_free(text);
 718                         }
 719                 }
 720         else
 721                 {
 722                 gtk_selection_data_set(selection_data, selection_data->target,
 723                                        8, NULL, 0);
 724                 }
 725 }
 726
 727 static void layout_image_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 728 {
 729         LayoutWindow *lw = data;
 730         if (context->action == GDK_ACTION_MOVE)
 731                 {
 732                 FileData *fd;
 733                 gint row;
 734
 735                 fd = layout_image_get_fd(lw);
 736                 row = layout_list_get_index(lw, fd);
 737                 if (row < 0) return;
 738
 739                 if (!isfile(fd->path))
 740                         {
 741                         if ((guint) row < layout_list_count(lw, NULL) - 1)
 742                                 {
 743                                 layout_image_next(lw);
 744                                 }
 745                         else
 746                                 {
 747                                 layout_image_prev(lw);
 748                                 }
 749                         }
 750                 layout_refresh(lw);
 751                 }
 752 }
 753
 754 static void layout_image_dnd_init(LayoutWindow *lw, gint i)
 755 {
 756         ImageWindow *imd = lw->split_images[i];
 757
 758         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
 759                             dnd_file_drag_types, dnd_file_drag_types_count,
 760                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 761         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
 762                          G_CALLBACK(layout_image_dnd_get), lw);
 763         g_signal_connect(G_OBJECT(imd->pr), "drag_end",
 764                          G_CALLBACK(layout_image_dnd_end), lw);
 765
 766         gtk_drag_dest_set(imd->pr,
 767                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 768                           dnd_file_drop_types, dnd_file_drop_types_count,
 769                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 770         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
 771                          G_CALLBACK(layout_image_dnd_receive), lw);
 772 }
 773
 774
 775 /*
 776  *----------------------------------------------------------------------------
 777  * misc
 778  *----------------------------------------------------------------------------
 779  */
 780
 781 void layout_image_to_root(LayoutWindow *lw)
 782 {
 783         image_to_root_window(lw->image, (image_zoom_get(lw->image) == 0));
 784 }
 785
 786 /*
 787  *----------------------------------------------------------------------------
 788  * manipulation + accessors
 789  *----------------------------------------------------------------------------
 790  */
 791
 792 void layout_image_scroll(LayoutWindow *lw, gint x, gint y, gboolean connect_scroll)
 793 {
 794         gdouble dx, dy;
 795         gint width, height, i;
 796         if (!layout_valid(&lw)) return;
 797
 798         image_scroll(lw->image, x, y);
 799
 800         if (!connect_scroll) return;
 801
 802         image_get_image_size(lw->image, &width, &height);
 803         dx = (gdouble) x / width;
 804         dy = (gdouble) y / height;
 805
 806         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 807                 {
 808                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 809                         {
 810                         gdouble sx, sy;
 811                         image_get_scroll_center(lw->split_images[i], &sx, &sy);
 812                         sx += dx;
 813                         sy += dy;
 814                         image_set_scroll_center(lw->split_images[i], sx, sy);
 815                         }
 816                 }
 817
 818 }
 819
 820 void layout_image_zoom_adjust(LayoutWindow *lw, gdouble increment, gboolean connect_zoom)
 821 {
 822         gint i;
 823         if (!layout_valid(&lw)) return;
 824
 825         image_zoom_adjust(lw->image, increment);
 826
 827         if (!connect_zoom) return;
 828
 829         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 830                 {
 831                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 832                         image_zoom_adjust(lw->split_images[i], increment); ;
 833                 }
 834 }
 835
 836 void layout_image_zoom_adjust_at_point(LayoutWindow *lw, gdouble increment, gint x, gint y, gboolean connect_zoom)
 837 {
 838         gint i;
 839         if (!layout_valid(&lw)) return;
 840
 841         image_zoom_adjust_at_point(lw->image, increment, x, y);
 842
 843         if (!connect_zoom) return;
 844
 845         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 846                 {
 847                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 848                         image_zoom_adjust_at_point(lw->split_images[i], increment, x, y);
 849                 }
 850 }
 851
 852 void layout_image_zoom_set(LayoutWindow *lw, gdouble zoom, gboolean connect_zoom)
 853 {
 854         gint i;
 855         if (!layout_valid(&lw)) return;
 856
 857         image_zoom_set(lw->image, zoom);
 858
 859         if (!connect_zoom) return;
 860
 861         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 862                 {
 863                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 864                         image_zoom_set(lw->split_images[i], zoom);
 865                 }
 866 }
 867
 868 void layout_image_zoom_set_fill_geometry(LayoutWindow *lw, gboolean vertical, gboolean connect_zoom)
 869 {
 870         gint i;
 871         if (!layout_valid(&lw)) return;
 872
 873         image_zoom_set_fill_geometry(lw->image, vertical);
 874
 875         if (!connect_zoom) return;
 876
 877         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 878                 {
 879                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 880                         image_zoom_set_fill_geometry(lw->split_images[i], vertical);
 881                 }
 882 }
 883
 884 void layout_image_alter_orientation(LayoutWindow *lw, AlterType type)
 885 {
 886         if (!layout_valid(&lw)) return;
 887
 888         image_alter_orientation(lw->image, type);
 889 }
 890
 891 void layout_image_set_desaturate(LayoutWindow *lw, gboolean desaturate)
 892 {
 893         if (!layout_valid(&lw)) return;
 894
 895         image_set_desaturate(lw->image, desaturate);
 896 }
 897
 898 gboolean layout_image_get_desaturate(LayoutWindow *lw)
 899 {
 900         if (!layout_valid(&lw)) return FALSE;
 901
 902         return image_get_desaturate(lw->image);
 903 }
 904
 905 /* stereo */
 906 gint layout_image_stereo_get(LayoutWindow *lw)
 907 {
 908         if (!layout_valid(&lw)) return 0;
 909
 910         return image_stereo_get(lw->image);
 911 }
 912
 913 void layout_image_stereo_set(LayoutWindow *lw, gint stereo_mode)
 914 {
 915         if (!layout_valid(&lw)) return;
 916
 917         image_stereo_set(lw->image, stereo_mode);
 918 }
 919
 920 void layout_image_stereo_swap(LayoutWindow *lw)
 921 {
 922         if (!layout_valid(&lw)) return;
 923
 924         image_stereo_swap(lw->image);
 925 }
 926
 927 const gchar *layout_image_get_path(LayoutWindow *lw)
 928 {
 929         if (!layout_valid(&lw)) return NULL;
 930
 931         return image_get_path(lw->image);
 932 }
 933
 934 const gchar *layout_image_get_name(LayoutWindow *lw)
 935 {
 936         if (!layout_valid(&lw)) return NULL;
 937
 938         return image_get_name(lw->image);
 939 }
 940
 941 FileData *layout_image_get_fd(LayoutWindow *lw)
 942 {
 943         if (!layout_valid(&lw)) return NULL;
 944
 945         return image_get_fd(lw->image);
 946 }
 947
 948 CollectionData *layout_image_get_collection(LayoutWindow *lw, CollectInfo **info)
 949 {
 950         if (!layout_valid(&lw)) return NULL;
 951
 952         return image_get_collection(lw->image, info);
 953 }
 954
 955 gint layout_image_get_index(LayoutWindow *lw)
 956 {
 957         return layout_list_get_index(lw, image_get_fd(lw->image));
 958 }
 959
 960 /*
 961  *----------------------------------------------------------------------------
 962  * image changers
 963  *----------------------------------------------------------------------------
 964  */
 965
 966 void layout_image_set_fd(LayoutWindow *lw, FileData *fd)
 967 {
 968         if (!layout_valid(&lw)) return;
 969
 970         image_change_fd(lw->image, fd, image_zoom_get_default(lw->image));
 971
 972         layout_list_sync_fd(lw, fd);
 973         layout_image_slideshow_continue_check(lw);
 974         layout_bars_new_image(lw);
 975 }
 976
 977 void layout_image_set_with_ahead(LayoutWindow *lw, FileData *fd, FileData *read_ahead_fd)
 978 {
 979         if (!layout_valid(&lw)) return;
 980
 981 /*
 982 This should be handled at the caller: in vflist_select_image
 983         if (path)
 984                 {
 985                 const gchar *old_path;
 986
 987                 old_path = layout_image_get_path(lw);
 988                 if (old_path && strcmp(path, old_path) == 0) return;
 989                 }
 990 */
 991         layout_image_set_fd(lw, fd);
 992         if (options->image.enable_read_ahead) image_prebuffer_set(lw->image, read_ahead_fd);
 993 }
 994
 995 void layout_image_set_index(LayoutWindow *lw, gint index)
 996 {
 997         FileData *fd;
 998         FileData *read_ahead_fd;
 999         gint old;
1000
1001         if (!layout_valid(&lw)) return;
1002
1003         old = layout_list_get_index(lw, layout_image_get_fd(lw));
1004         fd = layout_list_get_fd(lw, index);
1005
1006         if (old > index)
1007                 {
1008                 read_ahead_fd = layout_list_get_fd(lw, index - 1);
1009                 }
1010         else
1011                 {
1012                 read_ahead_fd = layout_list_get_fd(lw, index + 1);
1013                 }
1014
1015         if (layout_selection_count(lw, 0) > 1)
1016                 {
1017                 GList *x = layout_selection_list_by_index(lw);
1018                 GList *y;
1019                 GList *last;
1020
1021                 for (last = y = x; y; y = y->next)
1022                         last = y;
1023                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != index; y = y->next)
1024                         ;
1025
1026                 if (y)
1027                         {
1028                         gint newindex;
1029
1030                         if ((index > old && (index != GPOINTER_TO_INT(last->data) || old != GPOINTER_TO_INT(x->data)))
1031                             || (old == GPOINTER_TO_INT(last->data) && index == GPOINTER_TO_INT(x->data)))
1032                                 {
1033                                 if (y->next)
1034                                         newindex = GPOINTER_TO_INT(y->next->data);
1035                                 else
1036                                         newindex = GPOINTER_TO_INT(x->data);
1037                                 }
1038                         else
1039                                 {
1040                                 if (y->prev)
1041                                         newindex = GPOINTER_TO_INT(y->prev->data);
1042                                 else
1043                                         newindex = GPOINTER_TO_INT(last->data);
1044                                 }
1045
1046                         read_ahead_fd = layout_list_get_fd(lw, newindex);
1047                         }
1048
1049                 while (x)
1050                         x = g_list_remove(x, x->data);
1051                 }
1052
1053         layout_image_set_with_ahead(lw, fd, read_ahead_fd);
1054 }
1055
1056 static void layout_image_set_collection_real(LayoutWindow *lw, CollectionData *cd, CollectInfo *info, gboolean forward)
1057 {
1058         if (!layout_valid(&lw)) return;
1059
1060         image_change_from_collection(lw->image, cd, info, image_zoom_get_default(lw->image));
1061         if (options->image.enable_read_ahead)
1062                 {
1063                 CollectInfo *r_info;
1064                 if (forward)
1065                         {
1066                         r_info = collection_next_by_info(cd, info);
1067                         if (!r_info) r_info = collection_prev_by_info(cd, info);
1068                         }
1069                 else
1070                         {
1071                         r_info = collection_prev_by_info(cd, info);
1072                         if (!r_info) r_info = collection_next_by_info(cd, info);
1073                         }
1074                 if (r_info) image_prebuffer_set(lw->image, r_info->fd);
1075                 }
1076
1077         layout_image_slideshow_continue_check(lw);
1078         layout_bars_new_image(lw);
1079 }
1080
1081 void layout_image_set_collection(LayoutWindow *lw, CollectionData *cd, CollectInfo *info)
1082 {
1083         layout_image_set_collection_real(lw, cd, info, TRUE);
1084         layout_list_sync_fd(lw, layout_image_get_fd(lw));
1085 }
1086
1087 void layout_image_refresh(LayoutWindow *lw)
1088 {
1089         if (!layout_valid(&lw)) return;
1090
1091         image_reload(lw->image);
1092 }
1093
1094 void layout_image_color_profile_set(LayoutWindow *lw,
1095                                     gint input_type,
1096                                     gboolean use_image)
1097 {
1098         if (!layout_valid(&lw)) return;
1099
1100         image_color_profile_set(lw->image, input_type, use_image);
1101 }
1102
1103 gboolean layout_image_color_profile_get(LayoutWindow *lw,
1104                                         gint *input_type,
1105                                         gboolean *use_image)
1106 {
1107         if (!layout_valid(&lw)) return FALSE;
1108
1109         return image_color_profile_get(lw->image, input_type, use_image);
1110 }
1111
1112 void layout_image_color_profile_set_use(LayoutWindow *lw, gboolean enable)
1113 {
1114         if (!layout_valid(&lw)) return;
1115
1116         image_color_profile_set_use(lw->image, enable);
1117 }
1118
1119 gboolean layout_image_color_profile_get_use(LayoutWindow *lw)
1120 {
1121         if (!layout_valid(&lw)) return FALSE;
1122
1123         return image_color_profile_get_use(lw->image);
1124 }
1125
1126 gboolean layout_image_color_profile_get_status(LayoutWindow *lw, gchar **image_profile, gchar **screen_profile)
1127 {
1128         if (!layout_valid(&lw)) return FALSE;
1129
1130         return image_color_profile_get_status(lw->image, image_profile, screen_profile);
1131 }
1132
1133 /*
1134  *----------------------------------------------------------------------------
1135  * list walkers
1136  *----------------------------------------------------------------------------
1137  */
1138
1139 void layout_image_next(LayoutWindow *lw)
1140 {
1141         gint current;
1142         CollectionData *cd;
1143         CollectInfo *info;
1144
1145         if (!layout_valid(&lw)) return;
1146
1147         if (layout_image_slideshow_active(lw))
1148                 {
1149                 layout_image_slideshow_next(lw);
1150                 return;
1151                 }
1152
1153         if (layout_selection_count(lw, 0) > 1)
1154                 {
1155                 GList *x = layout_selection_list_by_index(lw);
1156                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1157                 GList *y;
1158
1159                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1160                         ;
1161                 if (y)
1162                         {
1163                         if (y->next)
1164                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->next->data));
1165                         else
1166                                 layout_image_set_index(lw, GPOINTER_TO_INT(x->data));
1167                         }
1168                 while (x)
1169                         x = g_list_remove(x, x->data);
1170                 if (y) /* not dereferenced */
1171                         return;
1172                 }
1173
1174         cd = image_get_collection(lw->image, &info);
1175
1176         if (cd && info)
1177                 {
1178                 info = collection_next_by_info(cd, info);
1179                 if (info)
1180                         {
1181                         layout_image_set_collection_real(lw, cd, info, TRUE);
1182                         }
1183                 else
1184                         {
1185                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1186                         }
1187                 return;
1188                 }
1189
1190         current = layout_image_get_index(lw);
1191
1192         if (current >= 0)
1193                 {
1194                 if ((guint) current < layout_list_count(lw, NULL) - 1)
1195                         {
1196                         layout_image_set_index(lw, current + 1);
1197                         }
1198                 else
1199                         {
1200                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1201                         }
1202                 }
1203         else
1204                 {
1205                 layout_image_set_index(lw, 0);
1206                 }
1207 }
1208
1209 void layout_image_prev(LayoutWindow *lw)
1210 {
1211         gint current;
1212         CollectionData *cd;
1213         CollectInfo *info;
1214
1215         if (!layout_valid(&lw)) return;
1216
1217         if (layout_image_slideshow_active(lw))
1218                 {
1219                 layout_image_slideshow_prev(lw);
1220                 return;
1221                 }
1222
1223         if (layout_selection_count(lw, 0) > 1)
1224                 {
1225                 GList *x = layout_selection_list_by_index(lw);
1226                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1227                 GList *y;
1228                 GList *last;
1229
1230                 for (last = y = x; y; y = y->next)
1231                         last = y;
1232                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1233                         ;
1234                 if (y)
1235                         {
1236                         if (y->prev)
1237                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->prev->data));
1238                         else
1239                                 layout_image_set_index(lw, GPOINTER_TO_INT(last->data));
1240                         }
1241                 while (x)
1242                         x = g_list_remove(x, x->data);
1243                 if (y) /* not dereferenced */
1244                         return;
1245                 }
1246
1247         cd = image_get_collection(lw->image, &info);
1248
1249         if (cd && info)
1250                 {
1251                 info = collection_prev_by_info(cd, info);
1252                 if (info)
1253                         {
1254                         layout_image_set_collection_real(lw, cd, info, FALSE);
1255                         }
1256                 else
1257                         {
1258                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1259                         }
1260                 return;
1261                 }
1262
1263         current = layout_image_get_index(lw);
1264
1265         if (current >= 0)
1266                 {
1267                 if (current > 0)
1268                         {
1269                         layout_image_set_index(lw, current - 1);
1270                         }
1271                 else
1272                         {
1273                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1274                         }
1275                 }
1276         else
1277                 {
1278                 layout_image_set_index(lw, layout_list_count(lw, NULL) - 1);
1279                 }
1280 }
1281
1282 void layout_image_first(LayoutWindow *lw)
1283 {
1284         gint current;
1285         CollectionData *cd;
1286         CollectInfo *info;
1287
1288         if (!layout_valid(&lw)) return;
1289
1290         cd = image_get_collection(lw->image, &info);
1291
1292         if (cd && info)
1293                 {
1294                 CollectInfo *new;
1295                 new = collection_get_first(cd);
1296                 if (new != info) layout_image_set_collection_real(lw, cd, new, TRUE);
1297                 return;
1298                 }
1299
1300         current = layout_image_get_index(lw);
1301         if (current != 0 && layout_list_count(lw, NULL) > 0)
1302                 {
1303                 layout_image_set_index(lw, 0);
1304                 }
1305 }
1306
1307 void layout_image_last(LayoutWindow *lw)
1308 {
1309         gint current;
1310         gint count;
1311         CollectionData *cd;
1312         CollectInfo *info;
1313
1314         if (!layout_valid(&lw)) return;
1315
1316         cd = image_get_collection(lw->image, &info);
1317
1318         if (cd && info)
1319                 {
1320                 CollectInfo *new;
1321                 new = collection_get_last(cd);
1322                 if (new != info) layout_image_set_collection_real(lw, cd, new, FALSE);
1323                 return;
1324                 }
1325
1326         current = layout_image_get_index(lw);
1327         count = layout_list_count(lw, NULL);
1328         if (current != count - 1 && count > 0)
1329                 {
1330                 layout_image_set_index(lw, count - 1);
1331                 }
1332 }
1333
1334 /*
1335  *----------------------------------------------------------------------------
1336  * mouse callbacks
1337  *----------------------------------------------------------------------------
1338  */
1339
1340 static gint image_idx(LayoutWindow *lw, ImageWindow *imd)
1341 {
1342         gint i;
1343
1344         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1345                 {
1346                 if (lw->split_images[i] == imd)
1347                         break;
1348                 }
1349         if (i < MAX_SPLIT_IMAGES)
1350                 {
1351                 return i;
1352                 }
1353         return -1;
1354 }
1355
1356 static void layout_image_focus_in_cb(ImageWindow *imd, gpointer data)
1357 {
1358         LayoutWindow *lw = data;
1359
1360         gint i = image_idx(lw, imd);
1361
1362         if (i != -1)
1363                 {
1364                 DEBUG_1("image activate focus_in %d", i);
1365                 layout_image_activate(lw, i, FALSE);
1366                 }
1367 }
1368
1369
1370 static void layout_image_button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1371 {
1372         LayoutWindow *lw = data;
1373         GtkWidget *menu;
1374
1375         switch (event->button)
1376                 {
1377                 case MOUSE_BUTTON_LEFT:
1378                         if (lw->split_mode == SPLIT_NONE)
1379                                 layout_image_next(lw);
1380                         break;
1381                 case MOUSE_BUTTON_MIDDLE:
1382                         if (lw->split_mode == SPLIT_NONE)
1383                                 layout_image_prev(lw);
1384                         break;
1385                 case MOUSE_BUTTON_RIGHT:
1386                         menu = layout_image_pop_menu(lw);
1387                         if (imd == lw->image)
1388                                 {
1389                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1390                                 }
1391                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1392                         break;
1393                 default:
1394                         break;
1395                 }
1396 }
1397
1398 static void layout_image_scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
1399 {
1400         LayoutWindow *lw = data;
1401
1402         gint i = image_idx(lw, imd);
1403
1404         if (i != -1)
1405                 {
1406                 DEBUG_1("image activate scroll %d", i);
1407                 layout_image_activate(lw, i, FALSE);
1408                 }
1409
1410
1411         if (event->state & GDK_CONTROL_MASK)
1412                 {
1413                 switch (event->direction)
1414                         {
1415                         case GDK_SCROLL_UP:
1416                                 layout_image_zoom_adjust_at_point(lw, get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1417                                 break;
1418                         case GDK_SCROLL_DOWN:
1419                                 layout_image_zoom_adjust_at_point(lw, -get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1420                                 break;
1421                         default:
1422                                 break;
1423                         }
1424                 }
1425         else if (options->mousewheel_scrolls)
1426                 {
1427                 switch (event->direction)
1428                         {
1429                         case GDK_SCROLL_UP:
1430                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
1431                                 break;
1432                         case GDK_SCROLL_DOWN:
1433                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
1434                                 break;
1435                         case GDK_SCROLL_LEFT:
1436                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
1437                                 break;
1438                         case GDK_SCROLL_RIGHT:
1439                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
1440                                 break;
1441                         default:
1442                                 break;
1443                         }
1444                 }
1445         else
1446                 {
1447                 switch (event->direction)
1448                         {
1449                         case GDK_SCROLL_UP:
1450                                 layout_image_prev(lw);
1451                                 break;
1452                         case GDK_SCROLL_DOWN:
1453                                 layout_image_next(lw);
1454                                 break;
1455                         default:
1456                                 break;
1457                         }
1458                 }
1459 }
1460
1461 static void layout_image_drag_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1462 {
1463         gint i;
1464         LayoutWindow *lw = data;
1465
1466         if (!(event->state & GDK_SHIFT_MASK)) return;
1467
1468         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1469                 {
1470                 if (lw->split_images[i] && lw->split_images[i] != imd)
1471                         {
1472                         gdouble sx, sy;
1473
1474                         if (event->state & GDK_CONTROL_MASK)
1475                                 {
1476                                 image_get_scroll_center(imd, &sx, &sy);
1477                                 }
1478                         else
1479                                 {
1480                                 image_get_scroll_center(lw->split_images[i], &sx, &sy);
1481                                 sx += dx;
1482                                 sy += dy;
1483                                 }
1484                         image_set_scroll_center(lw->split_images[i], sx, sy);
1485                         }
1486                 }
1487 }
1488
1489 static void layout_image_button_inactive_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1490 {
1491         LayoutWindow *lw = data;
1492         GtkWidget *menu;
1493         gint i = image_idx(lw, imd);
1494
1495         if (i != -1)
1496                 {
1497                 layout_image_activate(lw, i, FALSE);
1498                 }
1499
1500         switch (event->button)
1501                 {
1502                 case MOUSE_BUTTON_RIGHT:
1503                         menu = layout_image_pop_menu(lw);
1504                         if (imd == lw->image)
1505                                 {
1506                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1507                                 }
1508                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1509                         break;
1510                 default:
1511                         break;
1512                 }
1513
1514 }
1515
1516 static void layout_image_drag_inactive_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1517 {
1518         LayoutWindow *lw = data;
1519         gint i = image_idx(lw, imd);
1520
1521         if (i != -1)
1522                 {
1523                 layout_image_activate(lw, i, FALSE);
1524                 }
1525
1526         /* continue as with active image */
1527         layout_image_drag_cb(imd, event, dx, dy, data);
1528 }
1529
1530
1531 static void layout_image_set_buttons(LayoutWindow *lw)
1532 {
1533         image_set_button_func(lw->image, layout_image_button_cb, lw);
1534         image_set_scroll_func(lw->image, layout_image_scroll_cb, lw);
1535 }
1536
1537 static void layout_image_set_buttons_inactive(LayoutWindow *lw, gint i)
1538 {
1539         image_set_button_func(lw->split_images[i], layout_image_button_inactive_cb, lw);
1540         image_set_scroll_func(lw->split_images[i], layout_image_scroll_cb, lw);
1541 }
1542
1543 /* Returns the length of an integer */
1544 static gint num_length(gint num)
1545 {
1546         gint len = 0;
1547         if (num < 0) num = -num;
1548         while (num)
1549                 {
1550                 num /= 10;
1551                 len++;
1552                 }
1553         return len;
1554 }
1555
1556 void layout_status_update_pixel_cb(PixbufRenderer *pr, gpointer data)
1557 {
1558         LayoutWindow *lw = data;
1559         gint x_pixel, y_pixel;
1560         gint width, height;
1561         gchar *text;
1562         PangoAttrList *attrs;
1563
1564         if (!data || !layout_valid(&lw) || !lw->image
1565             || !lw->options.show_info_pixel || lw->image->unknown) return;
1566
1567         pixbuf_renderer_get_image_size(pr, &width, &height);
1568         if (width < 1 || height < 1) return;
1569
1570         pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
1571
1572         if(x_pixel >= 0 && y_pixel >= 0)
1573                 {
1574                 gint r_mouse, g_mouse, b_mouse;
1575
1576                 pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
1577                                                  &r_mouse, &g_mouse, &b_mouse);
1578
1579                 text = g_strdup_printf(_("[%*d,%*d]: RGB(%3d,%3d,%3d)"),
1580                                          num_length(width - 1), x_pixel,
1581                                          num_length(height - 1), y_pixel,
1582                                          r_mouse, g_mouse, b_mouse);
1583
1584                 }
1585         else
1586                 {
1587                 text = g_strdup_printf(_("[%*s,%*s]: RGB(---,---,---)"),
1588                                          num_length(width - 1), " ",
1589                                          num_length(height - 1), " ");
1590                 }
1591
1592         attrs = pango_attr_list_new();
1593         pango_attr_list_insert(attrs, pango_attr_family_new("Monospace"));
1594         gtk_label_set_text(GTK_LABEL(lw->info_pixel), text);
1595         gtk_label_set_attributes(GTK_LABEL(lw->info_pixel), attrs);
1596         pango_attr_list_unref(attrs);
1597         g_free(text);
1598 }
1599
1600
1601 /*
1602  *----------------------------------------------------------------------------
1603  * setup
1604  *----------------------------------------------------------------------------
1605  */
1606
1607 static void layout_image_update_cb(ImageWindow *imd, gpointer data)
1608 {
1609         LayoutWindow *lw = data;
1610         layout_status_update_image(lw);
1611 }
1612
1613 GtkWidget *layout_image_new(LayoutWindow *lw, gint i)
1614 {
1615         if (!lw->split_image_sizegroup) lw->split_image_sizegroup = gtk_size_group_new(GTK_SIZE_GROUP_BOTH);
1616
1617         if (!lw->split_images[i])
1618                 {
1619                 lw->split_images[i] = image_new(TRUE);
1620
1621 #if GTK_CHECK_VERSION(2,12,0)
1622                 g_object_ref(lw->split_images[i]->widget);
1623 #else
1624                 gtk_widget_ref(lw->split_images[i]->widget);
1625 #endif
1626
1627                 g_signal_connect(G_OBJECT(lw->split_images[i]->pr), "update-pixel",
1628                                  G_CALLBACK(layout_status_update_pixel_cb), lw);
1629
1630                 image_background_set_color_from_options(lw->split_images[i], FALSE);
1631
1632                 image_auto_refresh_enable(lw->split_images[i], TRUE);
1633
1634                 layout_image_dnd_init(lw, i);
1635                 image_color_profile_set(lw->split_images[i],
1636                                         options->color_profile.input_type,
1637                                         options->color_profile.use_image);
1638                 image_color_profile_set_use(lw->split_images[i], options->color_profile.enabled);
1639
1640                 gtk_size_group_add_widget(lw->split_image_sizegroup, lw->split_images[i]->widget);
1641                 gtk_widget_set_size_request(lw->split_images[i]->widget, IMAGE_MIN_WIDTH, -1);
1642
1643                 image_set_focus_in_func(lw->split_images[i], layout_image_focus_in_cb, lw);
1644
1645                 }
1646
1647         return lw->split_images[i]->widget;
1648 }
1649
1650 void layout_image_deactivate(LayoutWindow *lw, gint i)
1651 {
1652         if (!lw->split_images[i]) return;
1653         image_set_update_func(lw->split_images[i], NULL, NULL);
1654         layout_image_set_buttons_inactive(lw, i);
1655         image_set_drag_func(lw->split_images[i], layout_image_drag_inactive_cb, lw);
1656
1657         image_attach_window(lw->split_images[i], NULL, NULL, NULL, FALSE);
1658         image_select(lw->split_images[i], FALSE);
1659 }
1660
1661 /* force should be set after change of lw->split_mode */
1662 void layout_image_activate(LayoutWindow *lw, gint i, gboolean force)
1663 {
1664         FileData *fd;
1665
1666         if (!lw->split_images[i]) return;
1667         if (!force && lw->active_split_image == i) return;
1668
1669         /* deactivate currently active */
1670         if (lw->active_split_image != i)
1671                 layout_image_deactivate(lw, lw->active_split_image);
1672
1673         lw->image = lw->split_images[i];
1674         lw->active_split_image = i;
1675
1676         image_set_update_func(lw->image, layout_image_update_cb, lw);
1677         layout_image_set_buttons(lw);
1678         image_set_drag_func(lw->image, layout_image_drag_cb, lw);
1679
1680         image_attach_window(lw->image, lw->window, NULL, GQ_APPNAME, FALSE);
1681
1682         /* do not hilight selected image in SPLIT_NONE */
1683         /* maybe the image should be selected always and hilight should be controled by
1684            another image option */
1685         if (lw->split_mode != SPLIT_NONE)
1686                 image_select(lw->split_images[i], TRUE);
1687         else
1688                 image_select(lw->split_images[i], FALSE);
1689
1690         fd = image_get_fd(lw->image);
1691
1692         if (fd)
1693                 {
1694 //              layout_list_sync_path(lw, path);
1695                 layout_set_fd(lw, fd);
1696                 }
1697 }
1698
1699
1700 static void layout_image_setup_split_common(LayoutWindow *lw, gint n)
1701 {
1702         gboolean frame = (n > 1) || (!lw->options.tools_float && !lw->options.tools_hidden);
1703         gint i;
1704
1705         for (i = 0; i < n; i++)
1706                 if (!lw->split_images[i])
1707                         {
1708                         FileData *img_fd = NULL;
1709                         double zoom = 0.0;
1710
1711                         layout_image_new(lw, i);
1712                         image_set_frame(lw->split_images[i], frame);
1713                         image_set_selectable(lw->split_images[i], (n > 1));
1714
1715                         if (lw->image)
1716                                 {
1717                                 image_osd_copy_status(lw->image, lw->split_images[i]);
1718                                 }
1719
1720                         if (layout_selection_count(lw, 0) > 1)
1721                                 {
1722                                 GList *work = g_list_last(layout_selection_list(lw));
1723                                 gint j = 0;
1724
1725                                 if (work) work = work->prev;
1726
1727                                 while (work && j < i)
1728                                         {
1729                                         FileData *fd = work->data;
1730                                         work = work->prev;
1731
1732                                         j++;
1733                                         if (!fd || !*fd->path) continue;
1734                                         img_fd = fd;
1735                                         }
1736                                 }
1737
1738                         if (!img_fd && lw->image)
1739                                 {
1740                                 img_fd = image_get_fd(lw->image);
1741                                 zoom = image_zoom_get(lw->image);
1742                                 }
1743
1744                         if (img_fd)
1745                                 {
1746                                 gdouble sx, sy;
1747                                 image_change_fd(lw->split_images[i], img_fd, zoom);
1748                                 image_get_scroll_center(lw->image, &sx, &sy);
1749                                 image_set_scroll_center(lw->split_images[i], sx, sy);
1750                                 }
1751                         layout_image_deactivate(lw, i);
1752                         }
1753                 else
1754                         {
1755                         image_set_frame(lw->split_images[i], frame);
1756                         image_set_selectable(lw->split_images[i], (n > 1));
1757                         }
1758
1759         for (i = n; i < MAX_SPLIT_IMAGES; i++)
1760                 {
1761                 if (lw->split_images[i])
1762                         {
1763 #if GTK_CHECK_VERSION(2,12,0)
1764                         g_object_unref(lw->split_images[i]->widget);
1765 #else
1766                         gtk_widget_unref(lw->split_images[i]->widget);
1767 #endif
1768                         lw->split_images[i] = NULL;
1769                         }
1770                 }
1771
1772         if (!lw->image || lw->active_split_image < 0 || lw->active_split_image >= n)
1773                 {
1774                 layout_image_activate(lw, 0, TRUE);
1775                 }
1776         else
1777                 {
1778                 /* this will draw the frame around selected image (image_select)
1779                    on switch from single to split images */
1780                 layout_image_activate(lw, lw->active_split_image, TRUE);
1781                 }
1782 }
1783
1784 GtkWidget *layout_image_setup_split_none(LayoutWindow *lw)
1785 {
1786         lw->split_mode = SPLIT_NONE;
1787
1788         layout_image_setup_split_common(lw, 1);
1789
1790         lw->split_image_widget = lw->split_images[0]->widget;
1791
1792         return lw->split_image_widget;
1793 }
1794
1795
1796 GtkWidget *layout_image_setup_split_hv(LayoutWindow *lw, gboolean horizontal)
1797 {
1798         GtkWidget *paned;
1799
1800         lw->split_mode = horizontal ? SPLIT_HOR : SPLIT_VERT;
1801
1802         layout_image_setup_split_common(lw, 2);
1803
1804         /* horizontal split means vpaned and vice versa */
1805         if (horizontal)
1806                 paned = gtk_vpaned_new();
1807         else
1808                 paned = gtk_hpaned_new();
1809
1810         gtk_paned_pack1(GTK_PANED(paned), lw->split_images[0]->widget, TRUE, TRUE);
1811         gtk_paned_pack2(GTK_PANED(paned), lw->split_images[1]->widget, TRUE, TRUE);
1812
1813         gtk_widget_show(lw->split_images[0]->widget);
1814         gtk_widget_show(lw->split_images[1]->widget);
1815
1816         lw->split_image_widget = paned;
1817
1818         return lw->split_image_widget;
1819
1820 }
1821
1822 GtkWidget *layout_image_setup_split_quad(LayoutWindow *lw)
1823 {
1824         GtkWidget *hpaned;
1825         GtkWidget *vpaned1;
1826         GtkWidget *vpaned2;
1827         gint i;
1828
1829         lw->split_mode = SPLIT_QUAD;
1830
1831         layout_image_setup_split_common(lw, 4);
1832
1833         hpaned = gtk_hpaned_new();
1834         vpaned1 = gtk_vpaned_new();
1835         vpaned2 = gtk_vpaned_new();
1836
1837         gtk_paned_pack1(GTK_PANED(vpaned1), lw->split_images[0]->widget, TRUE, TRUE);
1838         gtk_paned_pack2(GTK_PANED(vpaned1), lw->split_images[2]->widget, TRUE, TRUE);
1839
1840         gtk_paned_pack1(GTK_PANED(vpaned2), lw->split_images[1]->widget, TRUE, TRUE);
1841         gtk_paned_pack2(GTK_PANED(vpaned2), lw->split_images[3]->widget, TRUE, TRUE);
1842
1843         gtk_paned_pack1(GTK_PANED(hpaned), vpaned1, TRUE, TRUE);
1844         gtk_paned_pack2(GTK_PANED(hpaned), vpaned2, TRUE, TRUE);
1845
1846         for (i = 0; i < 4; i++)
1847                 gtk_widget_show(lw->split_images[i]->widget);
1848
1849         gtk_widget_show(vpaned1);
1850         gtk_widget_show(vpaned2);
1851
1852         lw->split_image_widget = hpaned;
1853
1854         return lw->split_image_widget;
1855
1856 }
1857
1858 GtkWidget *layout_image_setup_split(LayoutWindow *lw, ImageSplitMode mode)
1859 {
1860         switch (mode)
1861                 {
1862                 case SPLIT_HOR:
1863                         return layout_image_setup_split_hv(lw, TRUE);
1864                 case SPLIT_VERT:
1865                         return layout_image_setup_split_hv(lw, FALSE);
1866                 case SPLIT_QUAD:
1867                         return layout_image_setup_split_quad(lw);
1868                 case SPLIT_NONE:
1869                 default:
1870                         return layout_image_setup_split_none(lw);
1871                 }
1872 }
1873
1874
1875 /*
1876  *-----------------------------------------------------------------------------
1877  * maintenance (for rename, move, remove)
1878  *-----------------------------------------------------------------------------
1879  */
1880
1881 static void layout_image_maint_renamed(LayoutWindow *lw, FileData *fd)
1882 {
1883         if (fd == layout_image_get_fd(lw))
1884                 {
1885                 image_set_fd(lw->image, fd);
1886                 }
1887 }
1888
1889 static void layout_image_maint_removed(LayoutWindow *lw, FileData *fd)
1890 {
1891         if (fd == layout_image_get_fd(lw))
1892                 {
1893                 CollectionData *cd;
1894                 CollectInfo *info;
1895
1896                 cd = image_get_collection(lw->image, &info);
1897                 if (cd && info)
1898                         {
1899                         CollectInfo *new;
1900
1901                         new = collection_next_by_info(cd, info);
1902                         if (!new) new = collection_prev_by_info(cd, info);
1903
1904                         if (new)
1905                                 {
1906                                 layout_image_set_collection(lw, cd, new);
1907                                 return;
1908                                 }
1909                         layout_image_set_fd(lw, NULL);
1910                         }
1911
1912                 /* the image will be set to the next image from the list soon,
1913                    setting it to NULL here is not necessary*/
1914                 }
1915 }
1916
1917
1918 void layout_image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1919 {
1920         LayoutWindow *lw = data;
1921
1922         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1923
1924         DEBUG_1("Notify layout_image: %s %04x", fd->path, type);
1925
1926         switch (fd->change->type)
1927                 {
1928                 case FILEDATA_CHANGE_MOVE:
1929                 case FILEDATA_CHANGE_RENAME:
1930                         layout_image_maint_renamed(lw, fd);
1931                         break;
1932                 case FILEDATA_CHANGE_DELETE:
1933                         layout_image_maint_removed(lw, fd);
1934                         break;
1935                 case FILEDATA_CHANGE_COPY:
1936                 case FILEDATA_CHANGE_UNSPECIFIED:
1937                 case FILEDATA_CHANGE_WRITE_METADATA:
1938                         break;
1939                 }
1940
1941 }
1942 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */