src/layout_image.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2012 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(gtk_widget_get_window(lw->image->pr), 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_gtk_selection_data(selection_data);
 618                         source = NULL;
 619                         info_list = NULL;
 620                         }
 621                 else
 622                         {
 623                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_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_dir(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                 GList *list;
 698
 699                 list = g_list_append(NULL, fd);
 700                 uri_selection_data_set_uris_from_filelist(selection_data, list);
 701                 g_list_free(list);
 702                 }
 703         else
 704                 {
 705                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
 706                                        8, NULL, 0);
 707                 }
 708 }
 709
 710 static void layout_image_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 711 {
 712         LayoutWindow *lw = data;
 713         if (gdk_drag_context_get_selected_action(context) == GDK_ACTION_MOVE)
 714                 {
 715                 FileData *fd;
 716                 gint row;
 717
 718                 fd = layout_image_get_fd(lw);
 719                 row = layout_list_get_index(lw, fd);
 720                 if (row < 0) return;
 721
 722                 if (!isfile(fd->path))
 723                         {
 724                         if ((guint) row < layout_list_count(lw, NULL) - 1)
 725                                 {
 726                                 layout_image_next(lw);
 727                                 }
 728                         else
 729                                 {
 730                                 layout_image_prev(lw);
 731                                 }
 732                         }
 733                 layout_refresh(lw);
 734                 }
 735 }
 736
 737 static void layout_image_dnd_init(LayoutWindow *lw, gint i)
 738 {
 739         ImageWindow *imd = lw->split_images[i];
 740
 741         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
 742                             dnd_file_drag_types, dnd_file_drag_types_count,
 743                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 744         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
 745                          G_CALLBACK(layout_image_dnd_get), lw);
 746         g_signal_connect(G_OBJECT(imd->pr), "drag_end",
 747                          G_CALLBACK(layout_image_dnd_end), lw);
 748
 749         gtk_drag_dest_set(imd->pr,
 750                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 751                           dnd_file_drop_types, dnd_file_drop_types_count,
 752                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 753         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
 754                          G_CALLBACK(layout_image_dnd_receive), lw);
 755 }
 756
 757
 758 /*
 759  *----------------------------------------------------------------------------
 760  * misc
 761  *----------------------------------------------------------------------------
 762  */
 763
 764 void layout_image_to_root(LayoutWindow *lw)
 765 {
 766         image_to_root_window(lw->image, (image_zoom_get(lw->image) == 0));
 767 }
 768
 769 /*
 770  *----------------------------------------------------------------------------
 771  * manipulation + accessors
 772  *----------------------------------------------------------------------------
 773  */
 774
 775 void layout_image_scroll(LayoutWindow *lw, gint x, gint y, gboolean connect_scroll)
 776 {
 777         gdouble dx, dy;
 778         gint width, height, i;
 779         if (!layout_valid(&lw)) return;
 780
 781         image_scroll(lw->image, x, y);
 782
 783         if (!connect_scroll) return;
 784
 785         image_get_image_size(lw->image, &width, &height);
 786         dx = (gdouble) x / width;
 787         dy = (gdouble) y / height;
 788
 789         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 790                 {
 791                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 792                         {
 793                         gdouble sx, sy;
 794                         image_get_scroll_center(lw->split_images[i], &sx, &sy);
 795                         sx += dx;
 796                         sy += dy;
 797                         image_set_scroll_center(lw->split_images[i], sx, sy);
 798                         }
 799                 }
 800
 801 }
 802
 803 void layout_image_zoom_adjust(LayoutWindow *lw, gdouble increment, gboolean connect_zoom)
 804 {
 805         gint i;
 806         if (!layout_valid(&lw)) return;
 807
 808         image_zoom_adjust(lw->image, increment);
 809
 810         if (!connect_zoom) return;
 811
 812         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 813                 {
 814                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 815                         image_zoom_adjust(lw->split_images[i], increment); ;
 816                 }
 817 }
 818
 819 void layout_image_zoom_adjust_at_point(LayoutWindow *lw, gdouble increment, gint x, gint y, gboolean connect_zoom)
 820 {
 821         gint i;
 822         if (!layout_valid(&lw)) return;
 823
 824         image_zoom_adjust_at_point(lw->image, increment, x, y);
 825
 826         if (!connect_zoom) return;
 827
 828         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 829                 {
 830                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 831                         image_zoom_adjust_at_point(lw->split_images[i], increment, x, y);
 832                 }
 833 }
 834
 835 void layout_image_zoom_set(LayoutWindow *lw, gdouble zoom, gboolean connect_zoom)
 836 {
 837         gint i;
 838         if (!layout_valid(&lw)) return;
 839
 840         image_zoom_set(lw->image, zoom);
 841
 842         if (!connect_zoom) return;
 843
 844         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 845                 {
 846                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 847                         image_zoom_set(lw->split_images[i], zoom);
 848                 }
 849 }
 850
 851 void layout_image_zoom_set_fill_geometry(LayoutWindow *lw, gboolean vertical, gboolean connect_zoom)
 852 {
 853         gint i;
 854         if (!layout_valid(&lw)) return;
 855
 856         image_zoom_set_fill_geometry(lw->image, vertical);
 857
 858         if (!connect_zoom) return;
 859
 860         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 861                 {
 862                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 863                         image_zoom_set_fill_geometry(lw->split_images[i], vertical);
 864                 }
 865 }
 866
 867 void layout_image_alter_orientation(LayoutWindow *lw, AlterType type)
 868 {
 869         if (!layout_valid(&lw)) return;
 870
 871         image_alter_orientation(lw->image, type);
 872 }
 873
 874 void layout_image_set_desaturate(LayoutWindow *lw, gboolean desaturate)
 875 {
 876         if (!layout_valid(&lw)) return;
 877
 878         image_set_desaturate(lw->image, desaturate);
 879 }
 880
 881 gboolean layout_image_get_desaturate(LayoutWindow *lw)
 882 {
 883         if (!layout_valid(&lw)) return FALSE;
 884
 885         return image_get_desaturate(lw->image);
 886 }
 887
 888 /* stereo */
 889 /*
 890 gint layout_image_stereo_get(LayoutWindow *lw)
 891 {
 892         if (!layout_valid(&lw)) return 0;
 893
 894         return image_stereo_get(lw->image);
 895 }
 896
 897 void layout_image_stereo_set(LayoutWindow *lw, gint stereo_mode)
 898 {
 899         if (!layout_valid(&lw)) return;
 900
 901         image_stereo_set(lw->image, stereo_mode);
 902 }
 903 void layout_image_stereo_swap(LayoutWindow *lw)
 904 {
 905         if (!layout_valid(&lw)) return;
 906
 907         image_stereo_swap(lw->image);
 908 }
 909 */
 910
 911 gint layout_image_stereo_pixbuf_get(LayoutWindow *lw)
 912 {
 913         if (!layout_valid(&lw)) return 0;
 914
 915         return image_stereo_pixbuf_get(lw->image);
 916 }
 917
 918 void layout_image_stereo_pixbuf_set(LayoutWindow *lw, gint stereo_mode)
 919 {
 920         if (!layout_valid(&lw)) return;
 921
 922         image_stereo_pixbuf_set(lw->image, stereo_mode);
 923 }
 924
 925 const gchar *layout_image_get_path(LayoutWindow *lw)
 926 {
 927         if (!layout_valid(&lw)) return NULL;
 928
 929         return image_get_path(lw->image);
 930 }
 931
 932 const gchar *layout_image_get_name(LayoutWindow *lw)
 933 {
 934         if (!layout_valid(&lw)) return NULL;
 935
 936         return image_get_name(lw->image);
 937 }
 938
 939 FileData *layout_image_get_fd(LayoutWindow *lw)
 940 {
 941         if (!layout_valid(&lw)) return NULL;
 942
 943         return image_get_fd(lw->image);
 944 }
 945
 946 CollectionData *layout_image_get_collection(LayoutWindow *lw, CollectInfo **info)
 947 {
 948         if (!layout_valid(&lw)) return NULL;
 949
 950         return image_get_collection(lw->image, info);
 951 }
 952
 953 gint layout_image_get_index(LayoutWindow *lw)
 954 {
 955         return layout_list_get_index(lw, image_get_fd(lw->image));
 956 }
 957
 958 /*
 959  *----------------------------------------------------------------------------
 960  * image changers
 961  *----------------------------------------------------------------------------
 962  */
 963
 964 void layout_image_set_fd(LayoutWindow *lw, FileData *fd)
 965 {
 966         if (!layout_valid(&lw)) return;
 967
 968         image_change_fd(lw->image, fd, image_zoom_get_default(lw->image));
 969
 970         layout_list_sync_fd(lw, fd);
 971         layout_image_slideshow_continue_check(lw);
 972         layout_bars_new_image(lw);
 973 }
 974
 975 void layout_image_set_with_ahead(LayoutWindow *lw, FileData *fd, FileData *read_ahead_fd)
 976 {
 977         if (!layout_valid(&lw)) return;
 978
 979 /*
 980 This should be handled at the caller: in vflist_select_image
 981         if (path)
 982                 {
 983                 const gchar *old_path;
 984
 985                 old_path = layout_image_get_path(lw);
 986                 if (old_path && strcmp(path, old_path) == 0) return;
 987                 }
 988 */
 989         layout_image_set_fd(lw, fd);
 990         if (options->image.enable_read_ahead) image_prebuffer_set(lw->image, read_ahead_fd);
 991 }
 992
 993 void layout_image_set_index(LayoutWindow *lw, gint index)
 994 {
 995         FileData *fd;
 996         FileData *read_ahead_fd;
 997         gint old;
 998
 999         if (!layout_valid(&lw)) return;
1000
1001         old = layout_list_get_index(lw, layout_image_get_fd(lw));
1002         fd = layout_list_get_fd(lw, index);
1003
1004         if (old > index)
1005                 {
1006                 read_ahead_fd = layout_list_get_fd(lw, index - 1);
1007                 }
1008         else
1009                 {
1010                 read_ahead_fd = layout_list_get_fd(lw, index + 1);
1011                 }
1012
1013         if (layout_selection_count(lw, 0) > 1)
1014                 {
1015                 GList *x = layout_selection_list_by_index(lw);
1016                 GList *y;
1017                 GList *last;
1018
1019                 for (last = y = x; y; y = y->next)
1020                         last = y;
1021                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != index; y = y->next)
1022                         ;
1023
1024                 if (y)
1025                         {
1026                         gint newindex;
1027
1028                         if ((index > old && (index != GPOINTER_TO_INT(last->data) || old != GPOINTER_TO_INT(x->data)))
1029                             || (old == GPOINTER_TO_INT(last->data) && index == GPOINTER_TO_INT(x->data)))
1030                                 {
1031                                 if (y->next)
1032                                         newindex = GPOINTER_TO_INT(y->next->data);
1033                                 else
1034                                         newindex = GPOINTER_TO_INT(x->data);
1035                                 }
1036                         else
1037                                 {
1038                                 if (y->prev)
1039                                         newindex = GPOINTER_TO_INT(y->prev->data);
1040                                 else
1041                                         newindex = GPOINTER_TO_INT(last->data);
1042                                 }
1043
1044                         read_ahead_fd = layout_list_get_fd(lw, newindex);
1045                         }
1046
1047                 while (x)
1048                         x = g_list_remove(x, x->data);
1049                 }
1050
1051         layout_image_set_with_ahead(lw, fd, read_ahead_fd);
1052 }
1053
1054 static void layout_image_set_collection_real(LayoutWindow *lw, CollectionData *cd, CollectInfo *info, gboolean forward)
1055 {
1056         if (!layout_valid(&lw)) return;
1057
1058         image_change_from_collection(lw->image, cd, info, image_zoom_get_default(lw->image));
1059         if (options->image.enable_read_ahead)
1060                 {
1061                 CollectInfo *r_info;
1062                 if (forward)
1063                         {
1064                         r_info = collection_next_by_info(cd, info);
1065                         if (!r_info) r_info = collection_prev_by_info(cd, info);
1066                         }
1067                 else
1068                         {
1069                         r_info = collection_prev_by_info(cd, info);
1070                         if (!r_info) r_info = collection_next_by_info(cd, info);
1071                         }
1072                 if (r_info) image_prebuffer_set(lw->image, r_info->fd);
1073                 }
1074
1075         layout_image_slideshow_continue_check(lw);
1076         layout_bars_new_image(lw);
1077 }
1078
1079 void layout_image_set_collection(LayoutWindow *lw, CollectionData *cd, CollectInfo *info)
1080 {
1081         layout_image_set_collection_real(lw, cd, info, TRUE);
1082         layout_list_sync_fd(lw, layout_image_get_fd(lw));
1083 }
1084
1085 void layout_image_refresh(LayoutWindow *lw)
1086 {
1087         if (!layout_valid(&lw)) return;
1088
1089         image_reload(lw->image);
1090 }
1091
1092 void layout_image_color_profile_set(LayoutWindow *lw,
1093                                     gint input_type,
1094                                     gboolean use_image)
1095 {
1096         if (!layout_valid(&lw)) return;
1097
1098         image_color_profile_set(lw->image, input_type, use_image);
1099 }
1100
1101 gboolean layout_image_color_profile_get(LayoutWindow *lw,
1102                                         gint *input_type,
1103                                         gboolean *use_image)
1104 {
1105         if (!layout_valid(&lw)) return FALSE;
1106
1107         return image_color_profile_get(lw->image, input_type, use_image);
1108 }
1109
1110 void layout_image_color_profile_set_use(LayoutWindow *lw, gboolean enable)
1111 {
1112         if (!layout_valid(&lw)) return;
1113
1114         image_color_profile_set_use(lw->image, enable);
1115 }
1116
1117 gboolean layout_image_color_profile_get_use(LayoutWindow *lw)
1118 {
1119         if (!layout_valid(&lw)) return FALSE;
1120
1121         return image_color_profile_get_use(lw->image);
1122 }
1123
1124 gboolean layout_image_color_profile_get_status(LayoutWindow *lw, gchar **image_profile, gchar **screen_profile)
1125 {
1126         if (!layout_valid(&lw)) return FALSE;
1127
1128         return image_color_profile_get_status(lw->image, image_profile, screen_profile);
1129 }
1130
1131 /*
1132  *----------------------------------------------------------------------------
1133  * list walkers
1134  *----------------------------------------------------------------------------
1135  */
1136
1137 void layout_image_next(LayoutWindow *lw)
1138 {
1139         gint current;
1140         CollectionData *cd;
1141         CollectInfo *info;
1142
1143         if (!layout_valid(&lw)) return;
1144
1145         if (layout_image_slideshow_active(lw))
1146                 {
1147                 layout_image_slideshow_next(lw);
1148                 return;
1149                 }
1150
1151         if (layout_selection_count(lw, 0) > 1)
1152                 {
1153                 GList *x = layout_selection_list_by_index(lw);
1154                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1155                 GList *y;
1156
1157                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1158                         ;
1159                 if (y)
1160                         {
1161                         if (y->next)
1162                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->next->data));
1163                         else
1164                                 layout_image_set_index(lw, GPOINTER_TO_INT(x->data));
1165                         }
1166                 while (x)
1167                         x = g_list_remove(x, x->data);
1168                 if (y) /* not dereferenced */
1169                         return;
1170                 }
1171
1172         cd = image_get_collection(lw->image, &info);
1173
1174         if (cd && info)
1175                 {
1176                 info = collection_next_by_info(cd, info);
1177                 if (info)
1178                         {
1179                         layout_image_set_collection_real(lw, cd, info, TRUE);
1180                         }
1181                 else
1182                         {
1183                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1184                         }
1185                 return;
1186                 }
1187
1188         current = layout_image_get_index(lw);
1189
1190         if (current >= 0)
1191                 {
1192                 if ((guint) current < layout_list_count(lw, NULL) - 1)
1193                         {
1194                         layout_image_set_index(lw, current + 1);
1195                         }
1196                 else
1197                         {
1198                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1199                         }
1200                 }
1201         else
1202                 {
1203                 layout_image_set_index(lw, 0);
1204                 }
1205 }
1206
1207 void layout_image_prev(LayoutWindow *lw)
1208 {
1209         gint current;
1210         CollectionData *cd;
1211         CollectInfo *info;
1212
1213         if (!layout_valid(&lw)) return;
1214
1215         if (layout_image_slideshow_active(lw))
1216                 {
1217                 layout_image_slideshow_prev(lw);
1218                 return;
1219                 }
1220
1221         if (layout_selection_count(lw, 0) > 1)
1222                 {
1223                 GList *x = layout_selection_list_by_index(lw);
1224                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1225                 GList *y;
1226                 GList *last;
1227
1228                 for (last = y = x; y; y = y->next)
1229                         last = y;
1230                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1231                         ;
1232                 if (y)
1233                         {
1234                         if (y->prev)
1235                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->prev->data));
1236                         else
1237                                 layout_image_set_index(lw, GPOINTER_TO_INT(last->data));
1238                         }
1239                 while (x)
1240                         x = g_list_remove(x, x->data);
1241                 if (y) /* not dereferenced */
1242                         return;
1243                 }
1244
1245         cd = image_get_collection(lw->image, &info);
1246
1247         if (cd && info)
1248                 {
1249                 info = collection_prev_by_info(cd, info);
1250                 if (info)
1251                         {
1252                         layout_image_set_collection_real(lw, cd, info, FALSE);
1253                         }
1254                 else
1255                         {
1256                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1257                         }
1258                 return;
1259                 }
1260
1261         current = layout_image_get_index(lw);
1262
1263         if (current >= 0)
1264                 {
1265                 if (current > 0)
1266                         {
1267                         layout_image_set_index(lw, current - 1);
1268                         }
1269                 else
1270                         {
1271                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1272                         }
1273                 }
1274         else
1275                 {
1276                 layout_image_set_index(lw, layout_list_count(lw, NULL) - 1);
1277                 }
1278 }
1279
1280 void layout_image_first(LayoutWindow *lw)
1281 {
1282         gint current;
1283         CollectionData *cd;
1284         CollectInfo *info;
1285
1286         if (!layout_valid(&lw)) return;
1287
1288         cd = image_get_collection(lw->image, &info);
1289
1290         if (cd && info)
1291                 {
1292                 CollectInfo *new;
1293                 new = collection_get_first(cd);
1294                 if (new != info) layout_image_set_collection_real(lw, cd, new, TRUE);
1295                 return;
1296                 }
1297
1298         current = layout_image_get_index(lw);
1299         if (current != 0 && layout_list_count(lw, NULL) > 0)
1300                 {
1301                 layout_image_set_index(lw, 0);
1302                 }
1303 }
1304
1305 void layout_image_last(LayoutWindow *lw)
1306 {
1307         gint current;
1308         gint count;
1309         CollectionData *cd;
1310         CollectInfo *info;
1311
1312         if (!layout_valid(&lw)) return;
1313
1314         cd = image_get_collection(lw->image, &info);
1315
1316         if (cd && info)
1317                 {
1318                 CollectInfo *new;
1319                 new = collection_get_last(cd);
1320                 if (new != info) layout_image_set_collection_real(lw, cd, new, FALSE);
1321                 return;
1322                 }
1323
1324         current = layout_image_get_index(lw);
1325         count = layout_list_count(lw, NULL);
1326         if (current != count - 1 && count > 0)
1327                 {
1328                 layout_image_set_index(lw, count - 1);
1329                 }
1330 }
1331
1332 /*
1333  *----------------------------------------------------------------------------
1334  * mouse callbacks
1335  *----------------------------------------------------------------------------
1336  */
1337
1338 static gint image_idx(LayoutWindow *lw, ImageWindow *imd)
1339 {
1340         gint i;
1341
1342         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1343                 {
1344                 if (lw->split_images[i] == imd)
1345                         break;
1346                 }
1347         if (i < MAX_SPLIT_IMAGES)
1348                 {
1349                 return i;
1350                 }
1351         return -1;
1352 }
1353
1354 static void layout_image_focus_in_cb(ImageWindow *imd, gpointer data)
1355 {
1356         LayoutWindow *lw = data;
1357
1358         gint i = image_idx(lw, imd);
1359
1360         if (i != -1)
1361                 {
1362                 DEBUG_1("image activate focus_in %d", i);
1363                 layout_image_activate(lw, i, FALSE);
1364                 }
1365 }
1366
1367
1368 static void layout_image_button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1369 {
1370         LayoutWindow *lw = data;
1371         GtkWidget *menu;
1372
1373         switch (event->button)
1374                 {
1375                 case MOUSE_BUTTON_LEFT:
1376                         if (lw->split_mode == SPLIT_NONE)
1377                                 layout_image_next(lw);
1378                         break;
1379                 case MOUSE_BUTTON_MIDDLE:
1380                         if (lw->split_mode == SPLIT_NONE)
1381                                 layout_image_prev(lw);
1382                         break;
1383                 case MOUSE_BUTTON_RIGHT:
1384                         menu = layout_image_pop_menu(lw);
1385                         if (imd == lw->image)
1386                                 {
1387                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1388                                 }
1389                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1390                         break;
1391                 default:
1392                         break;
1393                 }
1394 }
1395
1396 static void layout_image_scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
1397 {
1398         LayoutWindow *lw = data;
1399
1400         gint i = image_idx(lw, imd);
1401
1402         if (i != -1)
1403                 {
1404                 DEBUG_1("image activate scroll %d", i);
1405                 layout_image_activate(lw, i, FALSE);
1406                 }
1407
1408
1409         if (event->state & GDK_CONTROL_MASK)
1410                 {
1411                 switch (event->direction)
1412                         {
1413                         case GDK_SCROLL_UP:
1414                                 layout_image_zoom_adjust_at_point(lw, get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1415                                 break;
1416                         case GDK_SCROLL_DOWN:
1417                                 layout_image_zoom_adjust_at_point(lw, -get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1418                                 break;
1419                         default:
1420                                 break;
1421                         }
1422                 }
1423         else if (options->mousewheel_scrolls)
1424                 {
1425                 switch (event->direction)
1426                         {
1427                         case GDK_SCROLL_UP:
1428                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
1429                                 break;
1430                         case GDK_SCROLL_DOWN:
1431                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
1432                                 break;
1433                         case GDK_SCROLL_LEFT:
1434                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
1435                                 break;
1436                         case GDK_SCROLL_RIGHT:
1437                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
1438                                 break;
1439                         default:
1440                                 break;
1441                         }
1442                 }
1443         else
1444                 {
1445                 switch (event->direction)
1446                         {
1447                         case GDK_SCROLL_UP:
1448                                 layout_image_prev(lw);
1449                                 break;
1450                         case GDK_SCROLL_DOWN:
1451                                 layout_image_next(lw);
1452                                 break;
1453                         default:
1454                                 break;
1455                         }
1456                 }
1457 }
1458
1459 static void layout_image_drag_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1460 {
1461         gint i;
1462         LayoutWindow *lw = data;
1463
1464         if (!(event->state & GDK_SHIFT_MASK)) return;
1465
1466         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1467                 {
1468                 if (lw->split_images[i] && lw->split_images[i] != imd)
1469                         {
1470                         gdouble sx, sy;
1471
1472                         if (event->state & GDK_CONTROL_MASK)
1473                                 {
1474                                 image_get_scroll_center(imd, &sx, &sy);
1475                                 }
1476                         else
1477                                 {
1478                                 image_get_scroll_center(lw->split_images[i], &sx, &sy);
1479                                 sx += dx;
1480                                 sy += dy;
1481                                 }
1482                         image_set_scroll_center(lw->split_images[i], sx, sy);
1483                         }
1484                 }
1485 }
1486
1487 static void layout_image_button_inactive_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1488 {
1489         LayoutWindow *lw = data;
1490         GtkWidget *menu;
1491         gint i = image_idx(lw, imd);
1492
1493         if (i != -1)
1494                 {
1495                 layout_image_activate(lw, i, FALSE);
1496                 }
1497
1498         switch (event->button)
1499                 {
1500                 case MOUSE_BUTTON_RIGHT:
1501                         menu = layout_image_pop_menu(lw);
1502                         if (imd == lw->image)
1503                                 {
1504                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1505                                 }
1506                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1507                         break;
1508                 default:
1509                         break;
1510                 }
1511
1512 }
1513
1514 static void layout_image_drag_inactive_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1515 {
1516         LayoutWindow *lw = data;
1517         gint i = image_idx(lw, imd);
1518
1519         if (i != -1)
1520                 {
1521                 layout_image_activate(lw, i, FALSE);
1522                 }
1523
1524         /* continue as with active image */
1525         layout_image_drag_cb(imd, event, dx, dy, data);
1526 }
1527
1528
1529 static void layout_image_set_buttons(LayoutWindow *lw)
1530 {
1531         image_set_button_func(lw->image, layout_image_button_cb, lw);
1532         image_set_scroll_func(lw->image, layout_image_scroll_cb, lw);
1533 }
1534
1535 static void layout_image_set_buttons_inactive(LayoutWindow *lw, gint i)
1536 {
1537         image_set_button_func(lw->split_images[i], layout_image_button_inactive_cb, lw);
1538         image_set_scroll_func(lw->split_images[i], layout_image_scroll_cb, lw);
1539 }
1540
1541 /* Returns the length of an integer */
1542 static gint num_length(gint num)
1543 {
1544         gint len = 0;
1545         if (num < 0) num = -num;
1546         while (num)
1547                 {
1548                 num /= 10;
1549                 len++;
1550                 }
1551         return len;
1552 }
1553
1554 void layout_status_update_pixel_cb(PixbufRenderer *pr, gpointer data)
1555 {
1556         LayoutWindow *lw = data;
1557         gint x_pixel, y_pixel;
1558         gint width, height;
1559         gchar *text;
1560         PangoAttrList *attrs;
1561
1562         if (!data || !layout_valid(&lw) || !lw->image
1563             || !lw->options.show_info_pixel || lw->image->unknown) return;
1564
1565         pixbuf_renderer_get_image_size(pr, &width, &height);
1566         if (width < 1 || height < 1) return;
1567
1568         pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
1569
1570         if(x_pixel >= 0 && y_pixel >= 0)
1571                 {
1572                 gint r_mouse, g_mouse, b_mouse;
1573
1574                 pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
1575                                                  &r_mouse, &g_mouse, &b_mouse);
1576
1577                 text = g_strdup_printf(_("[%*d,%*d]: RGB(%3d,%3d,%3d)"),
1578                                          num_length(width - 1), x_pixel,
1579                                          num_length(height - 1), y_pixel,
1580                                          r_mouse, g_mouse, b_mouse);
1581
1582                 }
1583         else
1584                 {
1585                 text = g_strdup_printf(_("[%*s,%*s]: RGB(---,---,---)"),
1586                                          num_length(width - 1), " ",
1587                                          num_length(height - 1), " ");
1588                 }
1589
1590         attrs = pango_attr_list_new();
1591         pango_attr_list_insert(attrs, pango_attr_family_new("Monospace"));
1592         gtk_label_set_text(GTK_LABEL(lw->info_pixel), text);
1593         gtk_label_set_attributes(GTK_LABEL(lw->info_pixel), attrs);
1594         pango_attr_list_unref(attrs);
1595         g_free(text);
1596 }
1597
1598
1599 /*
1600  *----------------------------------------------------------------------------
1601  * setup
1602  *----------------------------------------------------------------------------
1603  */
1604
1605 static void layout_image_update_cb(ImageWindow *imd, gpointer data)
1606 {
1607         LayoutWindow *lw = data;
1608         layout_status_update_image(lw);
1609 }
1610
1611 GtkWidget *layout_image_new(LayoutWindow *lw, gint i)
1612 {
1613         if (!lw->split_image_sizegroup) lw->split_image_sizegroup = gtk_size_group_new(GTK_SIZE_GROUP_BOTH);
1614
1615         if (!lw->split_images[i])
1616                 {
1617                 lw->split_images[i] = image_new(TRUE);
1618
1619                 g_object_ref(lw->split_images[i]->widget);
1620
1621                 g_signal_connect(G_OBJECT(lw->split_images[i]->pr), "update-pixel",
1622                                  G_CALLBACK(layout_status_update_pixel_cb), lw);
1623
1624                 image_background_set_color_from_options(lw->split_images[i], FALSE);
1625
1626                 image_auto_refresh_enable(lw->split_images[i], TRUE);
1627
1628                 layout_image_dnd_init(lw, i);
1629                 image_color_profile_set(lw->split_images[i],
1630                                         options->color_profile.input_type,
1631                                         options->color_profile.use_image);
1632                 image_color_profile_set_use(lw->split_images[i], options->color_profile.enabled);
1633
1634                 gtk_size_group_add_widget(lw->split_image_sizegroup, lw->split_images[i]->widget);
1635                 gtk_widget_set_size_request(lw->split_images[i]->widget, IMAGE_MIN_WIDTH, -1);
1636
1637                 image_set_focus_in_func(lw->split_images[i], layout_image_focus_in_cb, lw);
1638
1639                 }
1640
1641         return lw->split_images[i]->widget;
1642 }
1643
1644 void layout_image_deactivate(LayoutWindow *lw, gint i)
1645 {
1646         if (!lw->split_images[i]) return;
1647         image_set_update_func(lw->split_images[i], NULL, NULL);
1648         layout_image_set_buttons_inactive(lw, i);
1649         image_set_drag_func(lw->split_images[i], layout_image_drag_inactive_cb, lw);
1650
1651         image_attach_window(lw->split_images[i], NULL, NULL, NULL, FALSE);
1652         image_select(lw->split_images[i], FALSE);
1653 }
1654
1655 /* force should be set after change of lw->split_mode */
1656 void layout_image_activate(LayoutWindow *lw, gint i, gboolean force)
1657 {
1658         FileData *fd;
1659
1660         if (!lw->split_images[i]) return;
1661         if (!force && lw->active_split_image == i) return;
1662
1663         /* deactivate currently active */
1664         if (lw->active_split_image != i)
1665                 layout_image_deactivate(lw, lw->active_split_image);
1666
1667         lw->image = lw->split_images[i];
1668         lw->active_split_image = i;
1669
1670         image_set_update_func(lw->image, layout_image_update_cb, lw);
1671         layout_image_set_buttons(lw);
1672         image_set_drag_func(lw->image, layout_image_drag_cb, lw);
1673
1674         image_attach_window(lw->image, lw->window, NULL, GQ_APPNAME, FALSE);
1675
1676         /* do not hilight selected image in SPLIT_NONE */
1677         /* maybe the image should be selected always and hilight should be controled by
1678            another image option */
1679         if (lw->split_mode != SPLIT_NONE)
1680                 image_select(lw->split_images[i], TRUE);
1681         else
1682                 image_select(lw->split_images[i], FALSE);
1683
1684         fd = image_get_fd(lw->image);
1685
1686         if (fd)
1687                 {
1688 //              layout_list_sync_path(lw, path);
1689                 layout_set_fd(lw, fd);
1690                 }
1691         layout_status_update_image(lw);
1692 }
1693
1694
1695 static void layout_image_setup_split_common(LayoutWindow *lw, gint n)
1696 {
1697         gboolean frame = (n > 1) || (!lw->options.tools_float && !lw->options.tools_hidden);
1698         gint i;
1699
1700         for (i = 0; i < n; i++)
1701                 if (!lw->split_images[i])
1702                         {
1703                         FileData *img_fd = NULL;
1704                         double zoom = 0.0;
1705
1706                         layout_image_new(lw, i);
1707                         image_set_frame(lw->split_images[i], frame);
1708                         image_set_selectable(lw->split_images[i], (n > 1));
1709
1710                         if (lw->image)
1711                                 {
1712                                 image_osd_copy_status(lw->image, lw->split_images[i]);
1713                                 }
1714
1715                         if (layout_selection_count(lw, 0) > 1)
1716                                 {
1717                                 GList *work = g_list_last(layout_selection_list(lw));
1718                                 gint j = 0;
1719
1720                                 if (work) work = work->prev;
1721
1722                                 while (work && j < i)
1723                                         {
1724                                         FileData *fd = work->data;
1725                                         work = work->prev;
1726
1727                                         j++;
1728                                         if (!fd || !*fd->path) continue;
1729                                         img_fd = fd;
1730                                         }
1731                                 }
1732
1733                         if (!img_fd && lw->image)
1734                                 {
1735                                 img_fd = image_get_fd(lw->image);
1736                                 zoom = image_zoom_get(lw->image);
1737                                 }
1738
1739                         if (img_fd)
1740                                 {
1741                                 gdouble sx, sy;
1742                                 image_change_fd(lw->split_images[i], img_fd, zoom);
1743                                 image_get_scroll_center(lw->image, &sx, &sy);
1744                                 image_set_scroll_center(lw->split_images[i], sx, sy);
1745                                 }
1746                         layout_image_deactivate(lw, i);
1747                         }
1748                 else
1749                         {
1750                         image_set_frame(lw->split_images[i], frame);
1751                         image_set_selectable(lw->split_images[i], (n > 1));
1752                         }
1753
1754         for (i = n; i < MAX_SPLIT_IMAGES; i++)
1755                 {
1756                 if (lw->split_images[i])
1757                         {
1758                         g_object_unref(lw->split_images[i]->widget);
1759                         lw->split_images[i] = NULL;
1760                         }
1761                 }
1762
1763         if (!lw->image || lw->active_split_image < 0 || lw->active_split_image >= n)
1764                 {
1765                 layout_image_activate(lw, 0, TRUE);
1766                 }
1767         else
1768                 {
1769                 /* this will draw the frame around selected image (image_select)
1770                    on switch from single to split images */
1771                 layout_image_activate(lw, lw->active_split_image, TRUE);
1772                 }
1773 }
1774
1775 GtkWidget *layout_image_setup_split_none(LayoutWindow *lw)
1776 {
1777         lw->split_mode = SPLIT_NONE;
1778
1779         layout_image_setup_split_common(lw, 1);
1780
1781         lw->split_image_widget = lw->split_images[0]->widget;
1782
1783         return lw->split_image_widget;
1784 }
1785
1786
1787 GtkWidget *layout_image_setup_split_hv(LayoutWindow *lw, gboolean horizontal)
1788 {
1789         GtkWidget *paned;
1790
1791         lw->split_mode = horizontal ? SPLIT_HOR : SPLIT_VERT;
1792
1793         layout_image_setup_split_common(lw, 2);
1794
1795         /* horizontal split means vpaned and vice versa */
1796         if (horizontal)
1797                 paned = gtk_vpaned_new();
1798         else
1799                 paned = gtk_hpaned_new();
1800
1801         gtk_paned_pack1(GTK_PANED(paned), lw->split_images[0]->widget, TRUE, TRUE);
1802         gtk_paned_pack2(GTK_PANED(paned), lw->split_images[1]->widget, TRUE, TRUE);
1803
1804         gtk_widget_show(lw->split_images[0]->widget);
1805         gtk_widget_show(lw->split_images[1]->widget);
1806
1807         lw->split_image_widget = paned;
1808
1809         return lw->split_image_widget;
1810
1811 }
1812
1813 GtkWidget *layout_image_setup_split_quad(LayoutWindow *lw)
1814 {
1815         GtkWidget *hpaned;
1816         GtkWidget *vpaned1;
1817         GtkWidget *vpaned2;
1818         gint i;
1819
1820         lw->split_mode = SPLIT_QUAD;
1821
1822         layout_image_setup_split_common(lw, 4);
1823
1824         hpaned = gtk_hpaned_new();
1825         vpaned1 = gtk_vpaned_new();
1826         vpaned2 = gtk_vpaned_new();
1827
1828         gtk_paned_pack1(GTK_PANED(vpaned1), lw->split_images[0]->widget, TRUE, TRUE);
1829         gtk_paned_pack2(GTK_PANED(vpaned1), lw->split_images[2]->widget, TRUE, TRUE);
1830
1831         gtk_paned_pack1(GTK_PANED(vpaned2), lw->split_images[1]->widget, TRUE, TRUE);
1832         gtk_paned_pack2(GTK_PANED(vpaned2), lw->split_images[3]->widget, TRUE, TRUE);
1833
1834         gtk_paned_pack1(GTK_PANED(hpaned), vpaned1, TRUE, TRUE);
1835         gtk_paned_pack2(GTK_PANED(hpaned), vpaned2, TRUE, TRUE);
1836
1837         for (i = 0; i < 4; i++)
1838                 gtk_widget_show(lw->split_images[i]->widget);
1839
1840         gtk_widget_show(vpaned1);
1841         gtk_widget_show(vpaned2);
1842
1843         lw->split_image_widget = hpaned;
1844
1845         return lw->split_image_widget;
1846
1847 }
1848
1849 GtkWidget *layout_image_setup_split(LayoutWindow *lw, ImageSplitMode mode)
1850 {
1851         switch (mode)
1852                 {
1853                 case SPLIT_HOR:
1854                         return layout_image_setup_split_hv(lw, TRUE);
1855                 case SPLIT_VERT:
1856                         return layout_image_setup_split_hv(lw, FALSE);
1857                 case SPLIT_QUAD:
1858                         return layout_image_setup_split_quad(lw);
1859                 case SPLIT_NONE:
1860                 default:
1861                         return layout_image_setup_split_none(lw);
1862                 }
1863 }
1864
1865
1866 /*
1867  *-----------------------------------------------------------------------------
1868  * maintenance (for rename, move, remove)
1869  *-----------------------------------------------------------------------------
1870  */
1871
1872 static void layout_image_maint_renamed(LayoutWindow *lw, FileData *fd)
1873 {
1874         if (fd == layout_image_get_fd(lw))
1875                 {
1876                 image_set_fd(lw->image, fd);
1877                 }
1878 }
1879
1880 static void layout_image_maint_removed(LayoutWindow *lw, FileData *fd)
1881 {
1882         if (fd == layout_image_get_fd(lw))
1883                 {
1884                 CollectionData *cd;
1885                 CollectInfo *info;
1886
1887                 cd = image_get_collection(lw->image, &info);
1888                 if (cd && info)
1889                         {
1890                         CollectInfo *new;
1891
1892                         new = collection_next_by_info(cd, info);
1893                         if (!new) new = collection_prev_by_info(cd, info);
1894
1895                         if (new)
1896                                 {
1897                                 layout_image_set_collection(lw, cd, new);
1898                                 return;
1899                                 }
1900                         layout_image_set_fd(lw, NULL);
1901                         }
1902
1903                 /* the image will be set to the next image from the list soon,
1904                    setting it to NULL here is not necessary*/
1905                 }
1906 }
1907
1908
1909 void layout_image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1910 {
1911         LayoutWindow *lw = data;
1912
1913         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1914
1915         DEBUG_1("Notify layout_image: %s %04x", fd->path, type);
1916
1917         switch (fd->change->type)
1918                 {
1919                 case FILEDATA_CHANGE_MOVE:
1920                 case FILEDATA_CHANGE_RENAME:
1921                         layout_image_maint_renamed(lw, fd);
1922                         break;
1923                 case FILEDATA_CHANGE_DELETE:
1924                         layout_image_maint_removed(lw, fd);
1925                         break;
1926                 case FILEDATA_CHANGE_COPY:
1927                 case FILEDATA_CHANGE_UNSPECIFIED:
1928                 case FILEDATA_CHANGE_WRITE_METADATA:
1929                         break;
1930                 }
1931
1932 }
1933 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */