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         if (lw->image == fs->imd)
  68                 lw->image = fs->normal_imd;
  69
  70         lw->full_screen = NULL;
  71 }
  72
  73 void layout_image_full_screen_start(LayoutWindow *lw)
  74 {
  75         if (!layout_valid(&lw)) return;
  76
  77         if (lw->full_screen) return;
  78
  79         lw->full_screen = fullscreen_start(lw->window, lw->image,
  80                                            layout_image_full_screen_stop_func, lw);
  81
  82         /* set to new image window */
  83         if (lw->full_screen->same_region)
  84                 lw->image = lw->full_screen->imd;
  85
  86         layout_image_set_buttons(lw);
  87
  88         g_signal_connect(G_OBJECT(lw->full_screen->window), "key_press_event",
  89                          G_CALLBACK(layout_key_press_cb), lw);
  90
  91         layout_actions_add_window(lw, lw->full_screen->window);
  92 #if 0
  93         gtk_widget_set_sensitive(lw->window, FALSE);
  94         if (lw->tools) gtk_widget_set_sensitive(lw->tools, FALSE);
  95 #endif
  96
  97         image_osd_copy_status(lw->full_screen->normal_imd, lw->image);
  98 }
  99
 100 void layout_image_full_screen_stop(LayoutWindow *lw)
 101 {
 102         if (!layout_valid(&lw)) return;
 103         if (!lw->full_screen) return;
 104
 105         if (lw->image == lw->full_screen->imd)
 106                 image_osd_copy_status(lw->image, lw->full_screen->normal_imd);
 107
 108         fullscreen_stop(lw->full_screen);
 109
 110 #if 0
 111         gtk_widget_set_sensitive(lw->window, TRUE);
 112         if (lw->tools) gtk_widget_set_sensitive(lw->tools, TRUE);
 113 #endif
 114 }
 115
 116 void layout_image_full_screen_toggle(LayoutWindow *lw)
 117 {
 118         if (!layout_valid(&lw)) return;
 119         if (lw->full_screen)
 120                 {
 121                 layout_image_full_screen_stop(lw);
 122                 }
 123         else
 124                 {
 125                 layout_image_full_screen_start(lw);
 126                 }
 127 }
 128
 129 gboolean layout_image_full_screen_active(LayoutWindow *lw)
 130 {
 131         if (!layout_valid(&lw)) return FALSE;
 132
 133         return (lw->full_screen != NULL);
 134 }
 135
 136 /*
 137  *----------------------------------------------------------------------------
 138  * slideshow
 139  *----------------------------------------------------------------------------
 140  */
 141
 142 static void layout_image_slideshow_next(LayoutWindow *lw)
 143 {
 144         if (lw->slideshow) slideshow_next(lw->slideshow);
 145 }
 146
 147 static void layout_image_slideshow_prev(LayoutWindow *lw)
 148 {
 149         if (lw->slideshow) slideshow_prev(lw->slideshow);
 150 }
 151
 152 static void layout_image_slideshow_stop_func(SlideShowData *ss, gpointer data)
 153 {
 154         LayoutWindow *lw = data;
 155
 156         lw->slideshow = NULL;
 157         layout_status_update_info(lw, NULL);
 158 }
 159
 160 void layout_image_slideshow_start(LayoutWindow *lw)
 161 {
 162         CollectionData *cd;
 163         CollectInfo *info;
 164
 165         if (!layout_valid(&lw)) return;
 166         if (lw->slideshow) return;
 167
 168         cd = image_get_collection(lw->image, &info);
 169
 170         if (cd && info)
 171                 {
 172                 lw->slideshow = slideshow_start_from_collection(lw, NULL, cd,
 173                                 layout_image_slideshow_stop_func, lw, info);
 174                 }
 175         else
 176                 {
 177                 lw->slideshow = slideshow_start(lw,
 178                                 layout_list_get_index(lw, layout_image_get_fd(lw)),
 179                                 layout_image_slideshow_stop_func, lw);
 180                 }
 181
 182         layout_status_update_info(lw, NULL);
 183 }
 184
 185 /* note that slideshow will take ownership of the list, do not free it */
 186 void layout_image_slideshow_start_from_list(LayoutWindow *lw, GList *list)
 187 {
 188         if (!layout_valid(&lw)) return;
 189
 190         if (lw->slideshow || !list)
 191                 {
 192                 filelist_free(list);
 193                 return;
 194                 }
 195
 196         lw->slideshow = slideshow_start_from_filelist(lw, NULL, list,
 197                                                        layout_image_slideshow_stop_func, lw);
 198
 199         layout_status_update_info(lw, NULL);
 200 }
 201
 202 void layout_image_slideshow_stop(LayoutWindow *lw)
 203 {
 204         if (!layout_valid(&lw)) return;
 205
 206         if (!lw->slideshow) return;
 207
 208         slideshow_free(lw->slideshow);
 209         /* the stop_func sets lw->slideshow to NULL for us */
 210 }
 211
 212 void layout_image_slideshow_toggle(LayoutWindow *lw)
 213 {
 214         if (!layout_valid(&lw)) return;
 215
 216         if (lw->slideshow)
 217                 {
 218                 layout_image_slideshow_stop(lw);
 219                 }
 220         else
 221                 {
 222                 layout_image_slideshow_start(lw);
 223                 }
 224 }
 225
 226 gboolean layout_image_slideshow_active(LayoutWindow *lw)
 227 {
 228         if (!layout_valid(&lw)) return FALSE;
 229
 230         return (lw->slideshow != NULL);
 231 }
 232
 233 gboolean layout_image_slideshow_pause_toggle(LayoutWindow *lw)
 234 {
 235         gboolean ret;
 236
 237         if (!layout_valid(&lw)) return FALSE;
 238
 239         ret = slideshow_pause_toggle(lw->slideshow);
 240
 241         layout_status_update_info(lw, NULL);
 242
 243         return ret;
 244 }
 245
 246 gboolean layout_image_slideshow_paused(LayoutWindow *lw)
 247 {
 248         if (!layout_valid(&lw)) return FALSE;
 249
 250         return (slideshow_paused(lw->slideshow));
 251 }
 252
 253 static gboolean layout_image_slideshow_continue_check(LayoutWindow *lw)
 254 {
 255         if (!lw->slideshow) return FALSE;
 256
 257         if (!slideshow_should_continue(lw->slideshow))
 258                 {
 259                 layout_image_slideshow_stop(lw);
 260                 return FALSE;
 261                 }
 262
 263         return TRUE;
 264 }
 265
 266 /*
 267  *----------------------------------------------------------------------------
 268  * pop-up menus
 269  *----------------------------------------------------------------------------
 270  */
 271
 272 static void li_pop_menu_zoom_in_cb(GtkWidget *widget, gpointer data)
 273 {
 274         LayoutWindow *lw = data;
 275
 276         layout_image_zoom_adjust(lw, get_zoom_increment(), FALSE);
 277 }
 278
 279 static void li_pop_menu_zoom_out_cb(GtkWidget *widget, gpointer data)
 280 {
 281         LayoutWindow *lw = data;
 282         layout_image_zoom_adjust(lw, -get_zoom_increment(), FALSE);
 283 }
 284
 285 static void li_pop_menu_zoom_1_1_cb(GtkWidget *widget, gpointer data)
 286 {
 287         LayoutWindow *lw = data;
 288
 289         layout_image_zoom_set(lw, 1.0, FALSE);
 290 }
 291
 292 static void li_pop_menu_zoom_fit_cb(GtkWidget *widget, gpointer data)
 293 {
 294         LayoutWindow *lw = data;
 295
 296         layout_image_zoom_set(lw, 0.0, FALSE);
 297 }
 298
 299 static void li_pop_menu_edit_cb(GtkWidget *widget, gpointer data)
 300 {
 301         LayoutWindow *lw;
 302         const gchar *key = data;
 303
 304         lw = submenu_item_get_data(widget);
 305
 306         if (!editor_window_flag_set(key))
 307                 {
 308                 layout_image_full_screen_stop(lw);
 309                 }
 310         file_util_start_editor_from_file(key, layout_image_get_fd(lw), lw->window);
 311 }
 312
 313 static void li_pop_menu_wallpaper_cb(GtkWidget *widget, gpointer data)
 314 {
 315         LayoutWindow *lw = data;
 316
 317         layout_image_to_root(lw);
 318 }
 319
 320 static void li_pop_menu_alter_cb(GtkWidget *widget, gpointer data)
 321 {
 322         LayoutWindow *lw = data;
 323         AlterType type;
 324
 325         lw = submenu_item_get_data(widget);
 326         type = (AlterType)GPOINTER_TO_INT(data);
 327
 328         image_alter_orientation(lw->image, type);
 329 }
 330
 331 static void li_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 332 {
 333         LayoutWindow *lw = data;
 334
 335         view_window_new(layout_image_get_fd(lw));
 336 }
 337
 338 static GtkWidget *li_pop_menu_click_parent(GtkWidget *widget, LayoutWindow *lw)
 339 {
 340         GtkWidget *menu;
 341         GtkWidget *parent;
 342
 343         menu = gtk_widget_get_toplevel(widget);
 344         if (!menu) return NULL;
 345
 346         parent = g_object_get_data(G_OBJECT(menu), "click_parent");
 347
 348         if (!parent && lw->full_screen)
 349                 {
 350                 parent = lw->full_screen->imd->widget;
 351                 }
 352
 353         return parent;
 354 }
 355
 356 static void li_pop_menu_copy_cb(GtkWidget *widget, gpointer data)
 357 {
 358         LayoutWindow *lw = data;
 359
 360         file_util_copy(layout_image_get_fd(lw), NULL, NULL,
 361                        li_pop_menu_click_parent(widget, lw));
 362 }
 363
 364 static void li_pop_menu_copy_path_cb(GtkWidget *widget, gpointer data)
 365 {
 366         LayoutWindow *lw = data;
 367
 368         file_util_copy_path_to_clipboard(layout_image_get_fd(lw));
 369 }
 370
 371 static void li_pop_menu_move_cb(GtkWidget *widget, gpointer data)
 372 {
 373         LayoutWindow *lw = data;
 374
 375         file_util_move(layout_image_get_fd(lw), NULL, NULL,
 376                        li_pop_menu_click_parent(widget, lw));
 377 }
 378
 379 static void li_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 380 {
 381         LayoutWindow *lw = data;
 382
 383         file_util_rename(layout_image_get_fd(lw), NULL,
 384                          li_pop_menu_click_parent(widget, lw));
 385 }
 386
 387 static void li_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
 388 {
 389         LayoutWindow *lw = data;
 390
 391         file_util_delete(layout_image_get_fd(lw), NULL,
 392                          li_pop_menu_click_parent(widget, lw));
 393 }
 394
 395 static void li_pop_menu_slide_start_cb(GtkWidget *widget, gpointer data)
 396 {
 397         LayoutWindow *lw = data;
 398
 399         layout_image_slideshow_start(lw);
 400 }
 401
 402 static void li_pop_menu_slide_stop_cb(GtkWidget *widget, gpointer data)
 403 {
 404         LayoutWindow *lw = data;
 405
 406         layout_image_slideshow_stop(lw);
 407 }
 408
 409 static void li_pop_menu_slide_pause_cb(GtkWidget *widget, gpointer data)
 410 {
 411         LayoutWindow *lw = data;
 412
 413         layout_image_slideshow_pause_toggle(lw);
 414 }
 415
 416 static void li_pop_menu_full_screen_cb(GtkWidget *widget, gpointer data)
 417 {
 418         LayoutWindow *lw = data;
 419
 420         layout_image_full_screen_toggle(lw);
 421 }
 422
 423 static void li_pop_menu_hide_cb(GtkWidget *widget, gpointer data)
 424 {
 425         LayoutWindow *lw = data;
 426
 427         layout_tools_hide_toggle(lw);
 428 }
 429
 430 static void li_set_layout_path_cb(GtkWidget *widget, gpointer data)
 431 {
 432         LayoutWindow *lw = data;
 433         FileData *fd;
 434
 435         if (!layout_valid(&lw)) return;
 436
 437         fd = layout_image_get_fd(lw);
 438         if (fd) layout_set_fd(lw, fd);
 439 }
 440
 441 static gboolean li_check_if_current_path(LayoutWindow *lw, const gchar *path)
 442 {
 443         gchar *dirname;
 444         gboolean ret;
 445
 446         if (!path || !layout_valid(&lw) || !lw->dir_fd) return FALSE;
 447
 448         dirname = g_path_get_dirname(path);
 449         ret = (strcmp(lw->dir_fd->path, dirname) == 0);
 450         g_free(dirname);
 451         return ret;
 452 }
 453
 454 static void layout_image_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
 455 {
 456         GList *editmenu_fd_list = data;
 457
 458         filelist_free(editmenu_fd_list);
 459 }
 460
 461 static GList *layout_image_get_fd_list(LayoutWindow *lw)
 462 {
 463         GList *list = NULL;
 464         FileData *fd = layout_image_get_fd(lw);
 465
 466         if (fd)
 467                 {
 468                 if (lw->vf)
 469                         /* optionally include sidecars if the filelist entry is not expanded */
 470                         list = vf_selection_get_one(lw->vf, fd);
 471                 else
 472                         list = g_list_append(NULL, file_data_ref(fd));
 473                 }
 474
 475         return list;
 476 }
 477
 478 static GtkWidget *layout_image_pop_menu(LayoutWindow *lw)
 479 {
 480         GtkWidget *menu;
 481         GtkWidget *item;
 482         GtkWidget *submenu;
 483         const gchar *path;
 484         gboolean fullscreen;
 485         GList *editmenu_fd_list;
 486
 487         path = layout_image_get_path(lw);
 488         fullscreen = layout_image_full_screen_active(lw);
 489
 490         menu = popup_menu_short_lived();
 491
 492         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(li_pop_menu_zoom_in_cb), lw);
 493         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(li_pop_menu_zoom_out_cb), lw);
 494         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(li_pop_menu_zoom_1_1_cb), lw);
 495         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(li_pop_menu_zoom_fit_cb), lw);
 496         menu_item_add_divider(menu);
 497
 498         editmenu_fd_list = layout_image_get_fd_list(lw);
 499         g_signal_connect(G_OBJECT(menu), "destroy",
 500                          G_CALLBACK(layout_image_popup_menu_destroy_cb), editmenu_fd_list);
 501         submenu = submenu_add_edit(menu, &item, G_CALLBACK(li_pop_menu_edit_cb), lw, editmenu_fd_list);
 502         if (!path) gtk_widget_set_sensitive(item, FALSE);
 503         menu_item_add_divider(submenu);
 504         menu_item_add(submenu, _("Set as _wallpaper"), G_CALLBACK(li_pop_menu_wallpaper_cb), lw);
 505
 506         item = submenu_add_alter(menu, G_CALLBACK(li_pop_menu_alter_cb), lw);
 507
 508         item = menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(li_pop_menu_new_cb), lw);
 509         if (!path || fullscreen) gtk_widget_set_sensitive(item, FALSE);
 510
 511         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(li_set_layout_path_cb), lw);
 512         if (!path || li_check_if_current_path(lw, path)) gtk_widget_set_sensitive(item, FALSE);
 513
 514         menu_item_add_divider(menu);
 515
 516         item = menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(li_pop_menu_copy_cb), lw);
 517         if (!path) gtk_widget_set_sensitive(item, FALSE);
 518         item = menu_item_add(menu, _("_Move..."), G_CALLBACK(li_pop_menu_move_cb), lw);
 519         if (!path) gtk_widget_set_sensitive(item, FALSE);
 520         item = menu_item_add(menu, _("_Rename..."), G_CALLBACK(li_pop_menu_rename_cb), lw);
 521         if (!path) gtk_widget_set_sensitive(item, FALSE);
 522         item = menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(li_pop_menu_delete_cb), lw);
 523         if (!path) gtk_widget_set_sensitive(item, FALSE);
 524
 525         item = menu_item_add(menu, _("_Copy path"), G_CALLBACK(li_pop_menu_copy_path_cb), lw);
 526         if (!path) gtk_widget_set_sensitive(item, FALSE);
 527
 528         menu_item_add_divider(menu);
 529
 530         if (layout_image_slideshow_active(lw))
 531                 {
 532                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(li_pop_menu_slide_stop_cb), lw);
 533                 if (layout_image_slideshow_paused(lw))
 534                         {
 535                         item = menu_item_add(menu, _("Continue slides_how"),
 536                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 537                         }
 538                 else
 539                         {
 540                         item = menu_item_add(menu, _("Pause slides_how"),
 541                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 542                         }
 543                 }
 544         else
 545                 {
 546                 menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(li_pop_menu_slide_start_cb), lw);
 547                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
 548                 gtk_widget_set_sensitive(item, FALSE);
 549                 }
 550
 551         if (!fullscreen)
 552                 {
 553                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
 554                 }
 555         else
 556                 {
 557                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
 558                 }
 559
 560         menu_item_add_divider(menu);
 561
 562         item = menu_item_add_check(menu, _("Hide file _list"), lw->options.tools_hidden,
 563                                    G_CALLBACK(li_pop_menu_hide_cb), lw);
 564         if (fullscreen) gtk_widget_set_sensitive(item, FALSE);
 565
 566         return menu;
 567 }
 568
 569 static void layout_image_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 570 {
 571         LayoutWindow *lw = data;
 572
 573         gdk_window_get_origin(gtk_widget_get_window(lw->image->pr), x, y);
 574         popup_menu_position_clamp(menu, x, y, 0);
 575 }
 576
 577 void layout_image_menu_popup(LayoutWindow *lw)
 578 {
 579         GtkWidget *menu;
 580
 581         menu = layout_image_pop_menu(lw);
 582         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, layout_image_menu_pos_cb, lw, 0, GDK_CURRENT_TIME);
 583 }
 584
 585 /*
 586  *----------------------------------------------------------------------------
 587  * dnd
 588  *----------------------------------------------------------------------------
 589  */
 590
 591 static void layout_image_dnd_receive(GtkWidget *widget, GdkDragContext *context,
 592                                      gint x, gint y,
 593                                      GtkSelectionData *selection_data, guint info,
 594                                      guint time, gpointer data)
 595 {
 596         LayoutWindow *lw = data;
 597         gint i;
 598
 599
 600         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 601                 {
 602                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
 603                         break;
 604                 }
 605         if (i < MAX_SPLIT_IMAGES)
 606                 {
 607                 DEBUG_1("dnd image activate %d", i);
 608                 layout_image_activate(lw, i, FALSE);
 609                 }
 610
 611
 612         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
 613                 {
 614                 CollectionData *source;
 615                 GList *list;
 616                 GList *info_list;
 617
 618                 if (info == TARGET_URI_LIST)
 619                         {
 620                         list = uri_filelist_from_gtk_selection_data(selection_data);
 621                         source = NULL;
 622                         info_list = NULL;
 623                         }
 624                 else
 625                         {
 626                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
 627                         }
 628
 629                 if (list)
 630                         {
 631                         FileData *fd = list->data;
 632
 633                         if (isfile(fd->path))
 634                                 {
 635                                 gchar *base;
 636                                 gint row;
 637                                 FileData *dir_fd;
 638
 639                                 base = remove_level_from_path(fd->path);
 640                                 dir_fd = file_data_new_dir(base);
 641                                 if (dir_fd != lw->dir_fd)
 642                                         {
 643                                         layout_set_fd(lw, dir_fd);
 644                                         }
 645                                 file_data_unref(dir_fd);
 646                                 g_free(base);
 647
 648                                 row = layout_list_get_index(lw, fd);
 649                                 if (source && info_list)
 650                                         {
 651                                         layout_image_set_collection(lw, source, info_list->data);
 652                                         }
 653                                 else if (row == -1)
 654                                         {
 655                                         layout_image_set_fd(lw, fd);
 656                                         }
 657                                 else
 658                                         {
 659                                         layout_image_set_index(lw, row);
 660                                         }
 661                                 }
 662                         else if (isdir(fd->path))
 663                                 {
 664                                 layout_set_fd(lw, fd);
 665                                 layout_image_set_fd(lw, NULL);
 666                                 }
 667                         }
 668
 669                 filelist_free(list);
 670                 g_list_free(info_list);
 671                 }
 672 }
 673
 674 static void layout_image_dnd_get(GtkWidget *widget, GdkDragContext *context,
 675                                  GtkSelectionData *selection_data, guint info,
 676                                  guint time, gpointer data)
 677 {
 678         LayoutWindow *lw = data;
 679         FileData *fd;
 680         gint i;
 681
 682
 683         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 684                 {
 685                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
 686                         break;
 687                 }
 688         if (i < MAX_SPLIT_IMAGES)
 689                 {
 690                 DEBUG_1("dnd get from %d", i);
 691                 fd = image_get_fd(lw->split_images[i]);
 692                 }
 693         else
 694                 fd = layout_image_get_fd(lw);
 695
 696         if (fd)
 697                 {
 698                 gchar *text = NULL;
 699                 gint len;
 700                 GList *list;
 701
 702                 list = g_list_append(NULL, fd);
 703                 uri_selection_data_set_uris_from_filelist(selection_data, list);
 704                 g_list_free(list);
 705                 }
 706         else
 707                 {
 708                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
 709                                        8, NULL, 0);
 710                 }
 711 }
 712
 713 static void layout_image_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 714 {
 715         LayoutWindow *lw = data;
 716         if (gdk_drag_context_get_selected_action(context) == GDK_ACTION_MOVE)
 717                 {
 718                 FileData *fd;
 719                 gint row;
 720
 721                 fd = layout_image_get_fd(lw);
 722                 row = layout_list_get_index(lw, fd);
 723                 if (row < 0) return;
 724
 725                 if (!isfile(fd->path))
 726                         {
 727                         if ((guint) row < layout_list_count(lw, NULL) - 1)
 728                                 {
 729                                 layout_image_next(lw);
 730                                 }
 731                         else
 732                                 {
 733                                 layout_image_prev(lw);
 734                                 }
 735                         }
 736                 layout_refresh(lw);
 737                 }
 738 }
 739
 740 static void layout_image_dnd_init(LayoutWindow *lw, gint i)
 741 {
 742         ImageWindow *imd = lw->split_images[i];
 743
 744         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
 745                             dnd_file_drag_types, dnd_file_drag_types_count,
 746                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 747         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
 748                          G_CALLBACK(layout_image_dnd_get), lw);
 749         g_signal_connect(G_OBJECT(imd->pr), "drag_end",
 750                          G_CALLBACK(layout_image_dnd_end), lw);
 751
 752         gtk_drag_dest_set(imd->pr,
 753                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 754                           dnd_file_drop_types, dnd_file_drop_types_count,
 755                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
 756         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
 757                          G_CALLBACK(layout_image_dnd_receive), lw);
 758 }
 759
 760
 761 /*
 762  *----------------------------------------------------------------------------
 763  * misc
 764  *----------------------------------------------------------------------------
 765  */
 766
 767 void layout_image_to_root(LayoutWindow *lw)
 768 {
 769         image_to_root_window(lw->image, (image_zoom_get(lw->image) == 0));
 770 }
 771
 772 /*
 773  *----------------------------------------------------------------------------
 774  * manipulation + accessors
 775  *----------------------------------------------------------------------------
 776  */
 777
 778 void layout_image_scroll(LayoutWindow *lw, gint x, gint y, gboolean connect_scroll)
 779 {
 780         gdouble dx, dy;
 781         gint width, height, i;
 782         if (!layout_valid(&lw)) return;
 783
 784         image_scroll(lw->image, x, y);
 785
 786         if (lw->full_screen && lw->image != lw->full_screen->imd)
 787                 {
 788                 image_scroll(lw->full_screen->imd, x, y);
 789                 }
 790
 791         if (!connect_scroll) return;
 792
 793         image_get_image_size(lw->image, &width, &height);
 794         dx = (gdouble) x / width;
 795         dy = (gdouble) y / height;
 796
 797         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 798                 {
 799                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 800                         {
 801                         gdouble sx, sy;
 802                         image_get_scroll_center(lw->split_images[i], &sx, &sy);
 803                         sx += dx;
 804                         sy += dy;
 805                         image_set_scroll_center(lw->split_images[i], sx, sy);
 806                         }
 807                 }
 808
 809 }
 810
 811 void layout_image_zoom_adjust(LayoutWindow *lw, gdouble increment, gboolean connect_zoom)
 812 {
 813         gint i;
 814         if (!layout_valid(&lw)) return;
 815
 816         image_zoom_adjust(lw->image, increment);
 817
 818         if (lw->full_screen && lw->image != lw->full_screen->imd)
 819                 {
 820                 image_zoom_adjust(lw->full_screen->imd, increment);
 821                 }
 822
 823         if (!connect_zoom) return;
 824
 825         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 826                 {
 827                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 828                         image_zoom_adjust(lw->split_images[i], increment); ;
 829                 }
 830 }
 831
 832 void layout_image_zoom_adjust_at_point(LayoutWindow *lw, gdouble increment, gint x, gint y, gboolean connect_zoom)
 833 {
 834         gint i;
 835         if (!layout_valid(&lw)) return;
 836
 837         image_zoom_adjust_at_point(lw->image, increment, x, y);
 838
 839         if (lw->full_screen && lw->image != lw->full_screen->imd)
 840                 {
 841                 image_zoom_adjust_at_point(lw->full_screen->imd, increment, x, y);
 842                 }
 843
 844         if (!connect_zoom) return;
 845
 846         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 847                 {
 848                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 849                         image_zoom_adjust_at_point(lw->split_images[i], increment, x, y);
 850                 }
 851 }
 852
 853 void layout_image_zoom_set(LayoutWindow *lw, gdouble zoom, gboolean connect_zoom)
 854 {
 855         gint i;
 856         if (!layout_valid(&lw)) return;
 857
 858         image_zoom_set(lw->image, zoom);
 859
 860         if (lw->full_screen && lw->image != lw->full_screen->imd)
 861                 {
 862                 image_zoom_set(lw->full_screen->imd, zoom);
 863                 }
 864
 865         if (!connect_zoom) return;
 866
 867         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 868                 {
 869                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 870                         image_zoom_set(lw->split_images[i], zoom);
 871                 }
 872 }
 873
 874 void layout_image_zoom_set_fill_geometry(LayoutWindow *lw, gboolean vertical, gboolean connect_zoom)
 875 {
 876         gint i;
 877         if (!layout_valid(&lw)) return;
 878
 879         image_zoom_set_fill_geometry(lw->image, vertical);
 880
 881         if (lw->full_screen && lw->image != lw->full_screen->imd)
 882                 {
 883                 image_zoom_set_fill_geometry(lw->full_screen->imd, vertical);
 884                 }
 885
 886         if (!connect_zoom) return;
 887
 888         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
 889                 {
 890                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
 891                         image_zoom_set_fill_geometry(lw->split_images[i], vertical);
 892                 }
 893 }
 894
 895 void layout_image_alter_orientation(LayoutWindow *lw, AlterType type)
 896 {
 897         if (!layout_valid(&lw)) return;
 898
 899         image_alter_orientation(lw->image, type);
 900 }
 901
 902 void layout_image_set_desaturate(LayoutWindow *lw, gboolean desaturate)
 903 {
 904         if (!layout_valid(&lw)) return;
 905
 906         image_set_desaturate(lw->image, desaturate);
 907 }
 908
 909 gboolean layout_image_get_desaturate(LayoutWindow *lw)
 910 {
 911         if (!layout_valid(&lw)) return FALSE;
 912
 913         return image_get_desaturate(lw->image);
 914 }
 915
 916 /* stereo */
 917 /*
 918 gint layout_image_stereo_get(LayoutWindow *lw)
 919 {
 920         if (!layout_valid(&lw)) return 0;
 921
 922         return image_stereo_get(lw->image);
 923 }
 924
 925 void layout_image_stereo_set(LayoutWindow *lw, gint stereo_mode)
 926 {
 927         if (!layout_valid(&lw)) return;
 928
 929         image_stereo_set(lw->image, stereo_mode);
 930 }
 931 void layout_image_stereo_swap(LayoutWindow *lw)
 932 {
 933         if (!layout_valid(&lw)) return;
 934
 935         image_stereo_swap(lw->image);
 936 }
 937 */
 938
 939 gint layout_image_stereo_pixbuf_get(LayoutWindow *lw)
 940 {
 941         if (!layout_valid(&lw)) return 0;
 942
 943         return image_stereo_pixbuf_get(lw->image);
 944 }
 945
 946 void layout_image_stereo_pixbuf_set(LayoutWindow *lw, gint stereo_mode)
 947 {
 948         if (!layout_valid(&lw)) return;
 949
 950         image_stereo_pixbuf_set(lw->image, stereo_mode);
 951 }
 952
 953 const gchar *layout_image_get_path(LayoutWindow *lw)
 954 {
 955         if (!layout_valid(&lw)) return NULL;
 956
 957         return image_get_path(lw->image);
 958 }
 959
 960 const gchar *layout_image_get_name(LayoutWindow *lw)
 961 {
 962         if (!layout_valid(&lw)) return NULL;
 963
 964         return image_get_name(lw->image);
 965 }
 966
 967 FileData *layout_image_get_fd(LayoutWindow *lw)
 968 {
 969         if (!layout_valid(&lw)) return NULL;
 970
 971         return image_get_fd(lw->image);
 972 }
 973
 974 CollectionData *layout_image_get_collection(LayoutWindow *lw, CollectInfo **info)
 975 {
 976         if (!layout_valid(&lw)) return NULL;
 977
 978         return image_get_collection(lw->image, info);
 979 }
 980
 981 gint layout_image_get_index(LayoutWindow *lw)
 982 {
 983         return layout_list_get_index(lw, image_get_fd(lw->image));
 984 }
 985
 986 /*
 987  *----------------------------------------------------------------------------
 988  * image changers
 989  *----------------------------------------------------------------------------
 990  */
 991
 992 void layout_image_set_fd(LayoutWindow *lw, FileData *fd)
 993 {
 994         if (!layout_valid(&lw)) return;
 995
 996         image_change_fd(lw->image, fd, image_zoom_get_default(lw->image));
 997
 998         if (lw->full_screen && lw->image != lw->full_screen->imd)
 999                 {
1000                 image_change_fd(lw->full_screen->imd, fd, image_zoom_get_default(lw->full_screen->imd));
1001                 }
1002
1003
1004         layout_list_sync_fd(lw, fd);
1005         layout_image_slideshow_continue_check(lw);
1006         layout_bars_new_image(lw);
1007 }
1008
1009 void layout_image_set_with_ahead(LayoutWindow *lw, FileData *fd, FileData *read_ahead_fd)
1010 {
1011         if (!layout_valid(&lw)) return;
1012
1013 /*
1014 This should be handled at the caller: in vflist_select_image
1015         if (path)
1016                 {
1017                 const gchar *old_path;
1018
1019                 old_path = layout_image_get_path(lw);
1020                 if (old_path && strcmp(path, old_path) == 0) return;
1021                 }
1022 */
1023         layout_image_set_fd(lw, fd);
1024         if (options->image.enable_read_ahead) image_prebuffer_set(lw->image, read_ahead_fd);
1025 }
1026
1027 void layout_image_set_index(LayoutWindow *lw, gint index)
1028 {
1029         FileData *fd;
1030         FileData *read_ahead_fd;
1031         gint old;
1032
1033         if (!layout_valid(&lw)) return;
1034
1035         old = layout_list_get_index(lw, layout_image_get_fd(lw));
1036         fd = layout_list_get_fd(lw, index);
1037
1038         if (old > index)
1039                 {
1040                 read_ahead_fd = layout_list_get_fd(lw, index - 1);
1041                 }
1042         else
1043                 {
1044                 read_ahead_fd = layout_list_get_fd(lw, index + 1);
1045                 }
1046
1047         if (layout_selection_count(lw, 0) > 1)
1048                 {
1049                 GList *x = layout_selection_list_by_index(lw);
1050                 GList *y;
1051                 GList *last;
1052
1053                 for (last = y = x; y; y = y->next)
1054                         last = y;
1055                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != index; y = y->next)
1056                         ;
1057
1058                 if (y)
1059                         {
1060                         gint newindex;
1061
1062                         if ((index > old && (index != GPOINTER_TO_INT(last->data) || old != GPOINTER_TO_INT(x->data)))
1063                             || (old == GPOINTER_TO_INT(last->data) && index == GPOINTER_TO_INT(x->data)))
1064                                 {
1065                                 if (y->next)
1066                                         newindex = GPOINTER_TO_INT(y->next->data);
1067                                 else
1068                                         newindex = GPOINTER_TO_INT(x->data);
1069                                 }
1070                         else
1071                                 {
1072                                 if (y->prev)
1073                                         newindex = GPOINTER_TO_INT(y->prev->data);
1074                                 else
1075                                         newindex = GPOINTER_TO_INT(last->data);
1076                                 }
1077
1078                         read_ahead_fd = layout_list_get_fd(lw, newindex);
1079                         }
1080
1081                 while (x)
1082                         x = g_list_remove(x, x->data);
1083                 }
1084
1085         layout_image_set_with_ahead(lw, fd, read_ahead_fd);
1086 }
1087
1088 static void layout_image_set_collection_real(LayoutWindow *lw, CollectionData *cd, CollectInfo *info, gboolean forward)
1089 {
1090         if (!layout_valid(&lw)) return;
1091
1092         image_change_from_collection(lw->image, cd, info, image_zoom_get_default(lw->image));
1093         if (options->image.enable_read_ahead)
1094                 {
1095                 CollectInfo *r_info;
1096                 if (forward)
1097                         {
1098                         r_info = collection_next_by_info(cd, info);
1099                         if (!r_info) r_info = collection_prev_by_info(cd, info);
1100                         }
1101                 else
1102                         {
1103                         r_info = collection_prev_by_info(cd, info);
1104                         if (!r_info) r_info = collection_next_by_info(cd, info);
1105                         }
1106                 if (r_info) image_prebuffer_set(lw->image, r_info->fd);
1107                 }
1108
1109         layout_image_slideshow_continue_check(lw);
1110         layout_bars_new_image(lw);
1111 }
1112
1113 void layout_image_set_collection(LayoutWindow *lw, CollectionData *cd, CollectInfo *info)
1114 {
1115         layout_image_set_collection_real(lw, cd, info, TRUE);
1116         layout_list_sync_fd(lw, layout_image_get_fd(lw));
1117 }
1118
1119 void layout_image_refresh(LayoutWindow *lw)
1120 {
1121         if (!layout_valid(&lw)) return;
1122
1123         image_reload(lw->image);
1124 }
1125
1126 void layout_image_color_profile_set(LayoutWindow *lw,
1127                                     gint input_type,
1128                                     gboolean use_image)
1129 {
1130         if (!layout_valid(&lw)) return;
1131
1132         image_color_profile_set(lw->image, input_type, use_image);
1133 }
1134
1135 gboolean layout_image_color_profile_get(LayoutWindow *lw,
1136                                         gint *input_type,
1137                                         gboolean *use_image)
1138 {
1139         if (!layout_valid(&lw)) return FALSE;
1140
1141         return image_color_profile_get(lw->image, input_type, use_image);
1142 }
1143
1144 void layout_image_color_profile_set_use(LayoutWindow *lw, gboolean enable)
1145 {
1146         if (!layout_valid(&lw)) return;
1147
1148         image_color_profile_set_use(lw->image, enable);
1149 }
1150
1151 gboolean layout_image_color_profile_get_use(LayoutWindow *lw)
1152 {
1153         if (!layout_valid(&lw)) return FALSE;
1154
1155         return image_color_profile_get_use(lw->image);
1156 }
1157
1158 gboolean layout_image_color_profile_get_status(LayoutWindow *lw, gchar **image_profile, gchar **screen_profile)
1159 {
1160         if (!layout_valid(&lw)) return FALSE;
1161
1162         return image_color_profile_get_status(lw->image, image_profile, screen_profile);
1163 }
1164
1165 /*
1166  *----------------------------------------------------------------------------
1167  * list walkers
1168  *----------------------------------------------------------------------------
1169  */
1170
1171 void layout_image_next(LayoutWindow *lw)
1172 {
1173         gint current;
1174         CollectionData *cd;
1175         CollectInfo *info;
1176
1177         if (!layout_valid(&lw)) return;
1178
1179         if (layout_image_slideshow_active(lw))
1180                 {
1181                 layout_image_slideshow_next(lw);
1182                 return;
1183                 }
1184
1185         if (layout_selection_count(lw, 0) > 1)
1186                 {
1187                 GList *x = layout_selection_list_by_index(lw);
1188                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1189                 GList *y;
1190
1191                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1192                         ;
1193                 if (y)
1194                         {
1195                         if (y->next)
1196                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->next->data));
1197                         else
1198                                 layout_image_set_index(lw, GPOINTER_TO_INT(x->data));
1199                         }
1200                 while (x)
1201                         x = g_list_remove(x, x->data);
1202                 if (y) /* not dereferenced */
1203                         return;
1204                 }
1205
1206         cd = image_get_collection(lw->image, &info);
1207
1208         if (cd && info)
1209                 {
1210                 info = collection_next_by_info(cd, info);
1211                 if (info)
1212                         {
1213                         layout_image_set_collection_real(lw, cd, info, TRUE);
1214                         }
1215                 else
1216                         {
1217                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1218                         }
1219                 return;
1220                 }
1221
1222         current = layout_image_get_index(lw);
1223
1224         if (current >= 0)
1225                 {
1226                 if ((guint) current < layout_list_count(lw, NULL) - 1)
1227                         {
1228                         layout_image_set_index(lw, current + 1);
1229                         }
1230                 else
1231                         {
1232                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1233                         }
1234                 }
1235         else
1236                 {
1237                 layout_image_set_index(lw, 0);
1238                 }
1239 }
1240
1241 void layout_image_prev(LayoutWindow *lw)
1242 {
1243         gint current;
1244         CollectionData *cd;
1245         CollectInfo *info;
1246
1247         if (!layout_valid(&lw)) return;
1248
1249         if (layout_image_slideshow_active(lw))
1250                 {
1251                 layout_image_slideshow_prev(lw);
1252                 return;
1253                 }
1254
1255         if (layout_selection_count(lw, 0) > 1)
1256                 {
1257                 GList *x = layout_selection_list_by_index(lw);
1258                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1259                 GList *y;
1260                 GList *last;
1261
1262                 for (last = y = x; y; y = y->next)
1263                         last = y;
1264                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1265                         ;
1266                 if (y)
1267                         {
1268                         if (y->prev)
1269                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->prev->data));
1270                         else
1271                                 layout_image_set_index(lw, GPOINTER_TO_INT(last->data));
1272                         }
1273                 while (x)
1274                         x = g_list_remove(x, x->data);
1275                 if (y) /* not dereferenced */
1276                         return;
1277                 }
1278
1279         cd = image_get_collection(lw->image, &info);
1280
1281         if (cd && info)
1282                 {
1283                 info = collection_prev_by_info(cd, info);
1284                 if (info)
1285                         {
1286                         layout_image_set_collection_real(lw, cd, info, FALSE);
1287                         }
1288                 else
1289                         {
1290                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1291                         }
1292                 return;
1293                 }
1294
1295         current = layout_image_get_index(lw);
1296
1297         if (current >= 0)
1298                 {
1299                 if (current > 0)
1300                         {
1301                         layout_image_set_index(lw, current - 1);
1302                         }
1303                 else
1304                         {
1305                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1306                         }
1307                 }
1308         else
1309                 {
1310                 layout_image_set_index(lw, layout_list_count(lw, NULL) - 1);
1311                 }
1312 }
1313
1314 void layout_image_first(LayoutWindow *lw)
1315 {
1316         gint current;
1317         CollectionData *cd;
1318         CollectInfo *info;
1319
1320         if (!layout_valid(&lw)) return;
1321
1322         cd = image_get_collection(lw->image, &info);
1323
1324         if (cd && info)
1325                 {
1326                 CollectInfo *new;
1327                 new = collection_get_first(cd);
1328                 if (new != info) layout_image_set_collection_real(lw, cd, new, TRUE);
1329                 return;
1330                 }
1331
1332         current = layout_image_get_index(lw);
1333         if (current != 0 && layout_list_count(lw, NULL) > 0)
1334                 {
1335                 layout_image_set_index(lw, 0);
1336                 }
1337 }
1338
1339 void layout_image_last(LayoutWindow *lw)
1340 {
1341         gint current;
1342         gint count;
1343         CollectionData *cd;
1344         CollectInfo *info;
1345
1346         if (!layout_valid(&lw)) return;
1347
1348         cd = image_get_collection(lw->image, &info);
1349
1350         if (cd && info)
1351                 {
1352                 CollectInfo *new;
1353                 new = collection_get_last(cd);
1354                 if (new != info) layout_image_set_collection_real(lw, cd, new, FALSE);
1355                 return;
1356                 }
1357
1358         current = layout_image_get_index(lw);
1359         count = layout_list_count(lw, NULL);
1360         if (current != count - 1 && count > 0)
1361                 {
1362                 layout_image_set_index(lw, count - 1);
1363                 }
1364 }
1365
1366 /*
1367  *----------------------------------------------------------------------------
1368  * mouse callbacks
1369  *----------------------------------------------------------------------------
1370  */
1371
1372 static gint image_idx(LayoutWindow *lw, ImageWindow *imd)
1373 {
1374         gint i;
1375
1376         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1377                 {
1378                 if (lw->split_images[i] == imd)
1379                         break;
1380                 }
1381         if (i < MAX_SPLIT_IMAGES)
1382                 {
1383                 return i;
1384                 }
1385         return -1;
1386 }
1387
1388 static void layout_image_focus_in_cb(ImageWindow *imd, gpointer data)
1389 {
1390         LayoutWindow *lw = data;
1391
1392         gint i = image_idx(lw, imd);
1393
1394         if (i != -1)
1395                 {
1396                 DEBUG_1("image activate focus_in %d", i);
1397                 layout_image_activate(lw, i, FALSE);
1398                 }
1399 }
1400
1401
1402 static void layout_image_button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1403 {
1404         LayoutWindow *lw = data;
1405         GtkWidget *menu;
1406
1407         switch (event->button)
1408                 {
1409                 case MOUSE_BUTTON_LEFT:
1410                         if (lw->split_mode == SPLIT_NONE)
1411                                 layout_image_next(lw);
1412                         break;
1413                 case MOUSE_BUTTON_MIDDLE:
1414                         if (lw->split_mode == SPLIT_NONE)
1415                                 layout_image_prev(lw);
1416                         break;
1417                 case MOUSE_BUTTON_RIGHT:
1418                         menu = layout_image_pop_menu(lw);
1419                         if (imd == lw->image)
1420                                 {
1421                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1422                                 }
1423                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1424                         break;
1425                 default:
1426                         break;
1427                 }
1428 }
1429
1430 static void layout_image_scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
1431 {
1432         LayoutWindow *lw = data;
1433
1434         gint i = image_idx(lw, imd);
1435
1436         if (i != -1)
1437                 {
1438                 DEBUG_1("image activate scroll %d", i);
1439                 layout_image_activate(lw, i, FALSE);
1440                 }
1441
1442
1443         if (event->state & GDK_CONTROL_MASK)
1444                 {
1445                 switch (event->direction)
1446                         {
1447                         case GDK_SCROLL_UP:
1448                                 layout_image_zoom_adjust_at_point(lw, get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1449                                 break;
1450                         case GDK_SCROLL_DOWN:
1451                                 layout_image_zoom_adjust_at_point(lw, -get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1452                                 break;
1453                         default:
1454                                 break;
1455                         }
1456                 }
1457         else if (options->mousewheel_scrolls)
1458                 {
1459                 switch (event->direction)
1460                         {
1461                         case GDK_SCROLL_UP:
1462                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
1463                                 break;
1464                         case GDK_SCROLL_DOWN:
1465                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
1466                                 break;
1467                         case GDK_SCROLL_LEFT:
1468                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
1469                                 break;
1470                         case GDK_SCROLL_RIGHT:
1471                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
1472                                 break;
1473                         default:
1474                                 break;
1475                         }
1476                 }
1477         else
1478                 {
1479                 switch (event->direction)
1480                         {
1481                         case GDK_SCROLL_UP:
1482                                 layout_image_prev(lw);
1483                                 break;
1484                         case GDK_SCROLL_DOWN:
1485                                 layout_image_next(lw);
1486                                 break;
1487                         default:
1488                                 break;
1489                         }
1490                 }
1491 }
1492
1493 static void layout_image_drag_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1494 {
1495         gint i;
1496         LayoutWindow *lw = data;
1497         gdouble sx, sy;
1498
1499         if (lw->full_screen && lw->image != lw->full_screen->imd &&
1500             imd != lw->full_screen->imd)
1501                 {
1502                 if (event->state & GDK_CONTROL_MASK)
1503                         {
1504                         image_get_scroll_center(imd, &sx, &sy);
1505                         }
1506                 else
1507                         {
1508                         image_get_scroll_center(lw->full_screen->imd, &sx, &sy);
1509                         sx += dx;
1510                         sy += dy;
1511                         }
1512                 image_set_scroll_center(lw->full_screen->imd, sx, sy);
1513                 }
1514
1515         if (!(event->state & GDK_SHIFT_MASK)) return;
1516
1517         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1518                 {
1519                 if (lw->split_images[i] && lw->split_images[i] != imd)
1520                         {
1521
1522                         if (event->state & GDK_CONTROL_MASK)
1523                                 {
1524                                 image_get_scroll_center(imd, &sx, &sy);
1525                                 }
1526                         else
1527                                 {
1528                                 image_get_scroll_center(lw->split_images[i], &sx, &sy);
1529                                 sx += dx;
1530                                 sy += dy;
1531                                 }
1532                         image_set_scroll_center(lw->split_images[i], sx, sy);
1533                         }
1534                 }
1535 }
1536
1537 static void layout_image_button_inactive_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1538 {
1539         LayoutWindow *lw = data;
1540         GtkWidget *menu;
1541         gint i = image_idx(lw, imd);
1542
1543         if (i != -1)
1544                 {
1545                 layout_image_activate(lw, i, FALSE);
1546                 }
1547
1548         switch (event->button)
1549                 {
1550                 case MOUSE_BUTTON_RIGHT:
1551                         menu = layout_image_pop_menu(lw);
1552                         if (imd == lw->image)
1553                                 {
1554                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1555                                 }
1556                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1557                         break;
1558                 default:
1559                         break;
1560                 }
1561
1562 }
1563
1564 static void layout_image_drag_inactive_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1565 {
1566         LayoutWindow *lw = data;
1567         gint i = image_idx(lw, imd);
1568
1569         if (i != -1)
1570                 {
1571                 layout_image_activate(lw, i, FALSE);
1572                 }
1573
1574         /* continue as with active image */
1575         layout_image_drag_cb(imd, event, dx, dy, data);
1576 }
1577
1578
1579 static void layout_image_set_buttons(LayoutWindow *lw)
1580 {
1581         image_set_button_func(lw->image, layout_image_button_cb, lw);
1582         image_set_scroll_func(lw->image, layout_image_scroll_cb, lw);
1583 }
1584
1585 static void layout_image_set_buttons_inactive(LayoutWindow *lw, gint i)
1586 {
1587         image_set_button_func(lw->split_images[i], layout_image_button_inactive_cb, lw);
1588         image_set_scroll_func(lw->split_images[i], layout_image_scroll_cb, lw);
1589 }
1590
1591 /* Returns the length of an integer */
1592 static gint num_length(gint num)
1593 {
1594         gint len = 0;
1595         if (num < 0) num = -num;
1596         while (num)
1597                 {
1598                 num /= 10;
1599                 len++;
1600                 }
1601         return len;
1602 }
1603
1604 void layout_status_update_pixel_cb(PixbufRenderer *pr, gpointer data)
1605 {
1606         LayoutWindow *lw = data;
1607         gint x_pixel, y_pixel;
1608         gint width, height;
1609         gchar *text;
1610         PangoAttrList *attrs;
1611
1612         if (!data || !layout_valid(&lw) || !lw->image
1613             || !lw->options.show_info_pixel || lw->image->unknown) return;
1614
1615         pixbuf_renderer_get_image_size(pr, &width, &height);
1616         if (width < 1 || height < 1) return;
1617
1618         pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
1619
1620         if(x_pixel >= 0 && y_pixel >= 0)
1621                 {
1622                 gint r_mouse, g_mouse, b_mouse;
1623
1624                 pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
1625                                                  &r_mouse, &g_mouse, &b_mouse);
1626
1627                 text = g_strdup_printf(_("[%*d,%*d]: RGB(%3d,%3d,%3d)"),
1628                                          num_length(width - 1), x_pixel,
1629                                          num_length(height - 1), y_pixel,
1630                                          r_mouse, g_mouse, b_mouse);
1631
1632                 }
1633         else
1634                 {
1635                 text = g_strdup_printf(_("[%*s,%*s]: RGB(---,---,---)"),
1636                                          num_length(width - 1), " ",
1637                                          num_length(height - 1), " ");
1638                 }
1639
1640         attrs = pango_attr_list_new();
1641         pango_attr_list_insert(attrs, pango_attr_family_new("Monospace"));
1642         gtk_label_set_text(GTK_LABEL(lw->info_pixel), text);
1643         gtk_label_set_attributes(GTK_LABEL(lw->info_pixel), attrs);
1644         pango_attr_list_unref(attrs);
1645         g_free(text);
1646 }
1647
1648
1649 /*
1650  *----------------------------------------------------------------------------
1651  * setup
1652  *----------------------------------------------------------------------------
1653  */
1654
1655 static void layout_image_update_cb(ImageWindow *imd, gpointer data)
1656 {
1657         LayoutWindow *lw = data;
1658         layout_status_update_image(lw);
1659 }
1660
1661 GtkWidget *layout_image_new(LayoutWindow *lw, gint i)
1662 {
1663         if (!lw->split_image_sizegroup) lw->split_image_sizegroup = gtk_size_group_new(GTK_SIZE_GROUP_BOTH);
1664
1665         if (!lw->split_images[i])
1666                 {
1667                 lw->split_images[i] = image_new(TRUE);
1668
1669                 g_object_ref(lw->split_images[i]->widget);
1670
1671                 g_signal_connect(G_OBJECT(lw->split_images[i]->pr), "update-pixel",
1672                                  G_CALLBACK(layout_status_update_pixel_cb), lw);
1673
1674                 image_background_set_color_from_options(lw->split_images[i], FALSE);
1675
1676                 image_auto_refresh_enable(lw->split_images[i], TRUE);
1677
1678                 layout_image_dnd_init(lw, i);
1679                 image_color_profile_set(lw->split_images[i],
1680                                         options->color_profile.input_type,
1681                                         options->color_profile.use_image);
1682                 image_color_profile_set_use(lw->split_images[i], options->color_profile.enabled);
1683
1684                 gtk_size_group_add_widget(lw->split_image_sizegroup, lw->split_images[i]->widget);
1685                 gtk_widget_set_size_request(lw->split_images[i]->widget, IMAGE_MIN_WIDTH, -1);
1686
1687                 image_set_focus_in_func(lw->split_images[i], layout_image_focus_in_cb, lw);
1688
1689                 }
1690
1691         return lw->split_images[i]->widget;
1692 }
1693
1694 void layout_image_deactivate(LayoutWindow *lw, gint i)
1695 {
1696         if (!lw->split_images[i]) return;
1697         image_set_update_func(lw->split_images[i], NULL, NULL);
1698         layout_image_set_buttons_inactive(lw, i);
1699         image_set_drag_func(lw->split_images[i], layout_image_drag_inactive_cb, lw);
1700
1701         image_attach_window(lw->split_images[i], NULL, NULL, NULL, FALSE);
1702         image_select(lw->split_images[i], FALSE);
1703 }
1704
1705 /* force should be set after change of lw->split_mode */
1706 void layout_image_activate(LayoutWindow *lw, gint i, gboolean force)
1707 {
1708         FileData *fd;
1709
1710         if (!lw->split_images[i]) return;
1711         if (!force && lw->active_split_image == i) return;
1712
1713         /* deactivate currently active */
1714         if (lw->active_split_image != i)
1715                 layout_image_deactivate(lw, lw->active_split_image);
1716
1717         lw->image = lw->split_images[i];
1718         lw->active_split_image = i;
1719
1720         image_set_update_func(lw->image, layout_image_update_cb, lw);
1721         layout_image_set_buttons(lw);
1722         image_set_drag_func(lw->image, layout_image_drag_cb, lw);
1723
1724         image_attach_window(lw->image, lw->window, NULL, GQ_APPNAME, FALSE);
1725
1726         /* do not hilight selected image in SPLIT_NONE */
1727         /* maybe the image should be selected always and hilight should be controled by
1728            another image option */
1729         if (lw->split_mode != SPLIT_NONE)
1730                 image_select(lw->split_images[i], TRUE);
1731         else
1732                 image_select(lw->split_images[i], FALSE);
1733
1734         fd = image_get_fd(lw->image);
1735
1736         if (fd)
1737                 {
1738 //              layout_list_sync_path(lw, path);
1739                 layout_set_fd(lw, fd);
1740                 }
1741         layout_status_update_image(lw);
1742 }
1743
1744
1745 static void layout_image_setup_split_common(LayoutWindow *lw, gint n)
1746 {
1747         gboolean frame = (n > 1) || (!lw->options.tools_float && !lw->options.tools_hidden);
1748         gint i;
1749
1750         for (i = 0; i < n; i++)
1751                 if (!lw->split_images[i])
1752                         {
1753                         FileData *img_fd = NULL;
1754                         double zoom = 0.0;
1755
1756                         layout_image_new(lw, i);
1757                         image_set_frame(lw->split_images[i], frame);
1758                         image_set_selectable(lw->split_images[i], (n > 1));
1759
1760                         if (lw->image)
1761                                 {
1762                                 image_osd_copy_status(lw->image, lw->split_images[i]);
1763                                 }
1764
1765                         if (layout_selection_count(lw, 0) > 1)
1766                                 {
1767                                 GList *work = g_list_last(layout_selection_list(lw));
1768                                 gint j = 0;
1769
1770                                 if (work) work = work->prev;
1771
1772                                 while (work && j < i)
1773                                         {
1774                                         FileData *fd = work->data;
1775                                         work = work->prev;
1776
1777                                         j++;
1778                                         if (!fd || !*fd->path) continue;
1779                                         img_fd = fd;
1780                                         }
1781                                 }
1782
1783                         if (!img_fd && lw->image)
1784                                 {
1785                                 img_fd = image_get_fd(lw->image);
1786                                 zoom = image_zoom_get(lw->image);
1787                                 }
1788
1789                         if (img_fd)
1790                                 {
1791                                 gdouble sx, sy;
1792                                 image_change_fd(lw->split_images[i], img_fd, zoom);
1793                                 image_get_scroll_center(lw->image, &sx, &sy);
1794                                 image_set_scroll_center(lw->split_images[i], sx, sy);
1795                                 }
1796                         layout_image_deactivate(lw, i);
1797                         }
1798                 else
1799                         {
1800                         image_set_frame(lw->split_images[i], frame);
1801                         image_set_selectable(lw->split_images[i], (n > 1));
1802                         }
1803
1804         for (i = n; i < MAX_SPLIT_IMAGES; i++)
1805                 {
1806                 if (lw->split_images[i])
1807                         {
1808                         g_object_unref(lw->split_images[i]->widget);
1809                         lw->split_images[i] = NULL;
1810                         }
1811                 }
1812
1813         if (!lw->image || lw->active_split_image < 0 || lw->active_split_image >= n)
1814                 {
1815                 layout_image_activate(lw, 0, TRUE);
1816                 }
1817         else
1818                 {
1819                 /* this will draw the frame around selected image (image_select)
1820                    on switch from single to split images */
1821                 layout_image_activate(lw, lw->active_split_image, TRUE);
1822                 }
1823 }
1824
1825 GtkWidget *layout_image_setup_split_none(LayoutWindow *lw)
1826 {
1827         lw->split_mode = SPLIT_NONE;
1828
1829         layout_image_setup_split_common(lw, 1);
1830
1831         lw->split_image_widget = lw->split_images[0]->widget;
1832
1833         return lw->split_image_widget;
1834 }
1835
1836
1837 GtkWidget *layout_image_setup_split_hv(LayoutWindow *lw, gboolean horizontal)
1838 {
1839         GtkWidget *paned;
1840
1841         lw->split_mode = horizontal ? SPLIT_HOR : SPLIT_VERT;
1842
1843         layout_image_setup_split_common(lw, 2);
1844
1845         /* horizontal split means vpaned and vice versa */
1846         if (horizontal)
1847                 paned = gtk_vpaned_new();
1848         else
1849                 paned = gtk_hpaned_new();
1850
1851         gtk_paned_pack1(GTK_PANED(paned), lw->split_images[0]->widget, TRUE, TRUE);
1852         gtk_paned_pack2(GTK_PANED(paned), lw->split_images[1]->widget, TRUE, TRUE);
1853
1854         gtk_widget_show(lw->split_images[0]->widget);
1855         gtk_widget_show(lw->split_images[1]->widget);
1856
1857         lw->split_image_widget = paned;
1858
1859         return lw->split_image_widget;
1860
1861 }
1862
1863 GtkWidget *layout_image_setup_split_quad(LayoutWindow *lw)
1864 {
1865         GtkWidget *hpaned;
1866         GtkWidget *vpaned1;
1867         GtkWidget *vpaned2;
1868         gint i;
1869
1870         lw->split_mode = SPLIT_QUAD;
1871
1872         layout_image_setup_split_common(lw, 4);
1873
1874         hpaned = gtk_hpaned_new();
1875         vpaned1 = gtk_vpaned_new();
1876         vpaned2 = gtk_vpaned_new();
1877
1878         gtk_paned_pack1(GTK_PANED(vpaned1), lw->split_images[0]->widget, TRUE, TRUE);
1879         gtk_paned_pack2(GTK_PANED(vpaned1), lw->split_images[2]->widget, TRUE, TRUE);
1880
1881         gtk_paned_pack1(GTK_PANED(vpaned2), lw->split_images[1]->widget, TRUE, TRUE);
1882         gtk_paned_pack2(GTK_PANED(vpaned2), lw->split_images[3]->widget, TRUE, TRUE);
1883
1884         gtk_paned_pack1(GTK_PANED(hpaned), vpaned1, TRUE, TRUE);
1885         gtk_paned_pack2(GTK_PANED(hpaned), vpaned2, TRUE, TRUE);
1886
1887         for (i = 0; i < 4; i++)
1888                 gtk_widget_show(lw->split_images[i]->widget);
1889
1890         gtk_widget_show(vpaned1);
1891         gtk_widget_show(vpaned2);
1892
1893         lw->split_image_widget = hpaned;
1894
1895         return lw->split_image_widget;
1896
1897 }
1898
1899 GtkWidget *layout_image_setup_split(LayoutWindow *lw, ImageSplitMode mode)
1900 {
1901         switch (mode)
1902                 {
1903                 case SPLIT_HOR:
1904                         return layout_image_setup_split_hv(lw, TRUE);
1905                 case SPLIT_VERT:
1906                         return layout_image_setup_split_hv(lw, FALSE);
1907                 case SPLIT_QUAD:
1908                         return layout_image_setup_split_quad(lw);
1909                 case SPLIT_NONE:
1910                 default:
1911                         return layout_image_setup_split_none(lw);
1912                 }
1913 }
1914
1915
1916 /*
1917  *-----------------------------------------------------------------------------
1918  * maintenance (for rename, move, remove)
1919  *-----------------------------------------------------------------------------
1920  */
1921
1922 static void layout_image_maint_renamed(LayoutWindow *lw, FileData *fd)
1923 {
1924         if (fd == layout_image_get_fd(lw))
1925                 {
1926                 image_set_fd(lw->image, fd);
1927                 }
1928 }
1929
1930 static void layout_image_maint_removed(LayoutWindow *lw, FileData *fd)
1931 {
1932         if (fd == layout_image_get_fd(lw))
1933                 {
1934                 CollectionData *cd;
1935                 CollectInfo *info;
1936
1937                 cd = image_get_collection(lw->image, &info);
1938                 if (cd && info)
1939                         {
1940                         CollectInfo *new;
1941
1942                         new = collection_next_by_info(cd, info);
1943                         if (!new) new = collection_prev_by_info(cd, info);
1944
1945                         if (new)
1946                                 {
1947                                 layout_image_set_collection(lw, cd, new);
1948                                 return;
1949                                 }
1950                         layout_image_set_fd(lw, NULL);
1951                         }
1952
1953                 /* the image will be set to the next image from the list soon,
1954                    setting it to NULL here is not necessary*/
1955                 }
1956 }
1957
1958
1959 void layout_image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1960 {
1961         LayoutWindow *lw = data;
1962
1963         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1964
1965         DEBUG_1("Notify layout_image: %s %04x", fd->path, type);
1966
1967         switch (fd->change->type)
1968                 {
1969                 case FILEDATA_CHANGE_MOVE:
1970                 case FILEDATA_CHANGE_RENAME:
1971                         layout_image_maint_renamed(lw, fd);
1972                         break;
1973                 case FILEDATA_CHANGE_DELETE:
1974                         layout_image_maint_removed(lw, fd);
1975                         break;
1976                 case FILEDATA_CHANGE_COPY:
1977                 case FILEDATA_CHANGE_UNSPECIFIED:
1978                 case FILEDATA_CHANGE_WRITE_METADATA:
1979                         break;
1980                 }
1981
1982 }
1983 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */