apps/menu.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Robert E. Hak
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 /*
  22 2005 Kevin Ferrare :
  23  - Multi screen support
  24  - Rewrote/removed a lot of code now useless with the new gui API
  25 */
  26 #include <stdbool.h>
  27 #include <stdlib.h>
  28 #include "config.h"
  29 #include "system.h"
  30
  31 #include "lcd.h"
  32 #include "font.h"
  33 #include "menu.h"
  34 #include "button.h"
  35 #include "kernel.h"
  36 #include "debug.h"
  37 #include "usb.h"
  38 #include "panic.h"
  39 #include "settings.h"
  40 #include "settings_list.h"
  41 #include "option_select.h"
  42 #include "screens.h"
  43 #include "talk.h"
  44 #include "lang.h"
  45 #include "misc.h"
  46 #include "action.h"
  47 #include "menus/exported_menus.h"
  48 #include "string.h"
  49 #include "root_menu.h"
  50 #include "bookmark.h"
  51 #include "gwps-common.h" /* for fade() */
  52 #include "audio.h"
  53 #include "viewport.h"
  54 #include "quickscreen.h"
  55
  56 #ifdef HAVE_LCD_BITMAP
  57 #include "icons.h"
  58 #endif
  59
  60 /* gui api */
  61 #include "list.h"
  62 #include "buttonbar.h"
  63
  64 #define MAX_MENUS 8
  65 /* used to allow for dynamic menus */
  66 #define MAX_MENU_SUBITEMS 64
  67 static struct menu_item_ex *current_submenus_menu;
  68 static int current_subitems[MAX_MENU_SUBITEMS];
  69 static int current_subitems_count = 0;
  70 static int talk_menu_item(int selected_item, void *data);
  71
  72 static void get_menu_callback(const struct menu_item_ex *m,
  73                         menu_callback_type *menu_callback)
  74 {
  75     if (m->flags&(MENU_HAS_DESC|MENU_DYNAMIC_DESC))
  76         *menu_callback= m->callback_and_desc->menu_callback;
  77     else
  78         *menu_callback = m->menu_callback;
  79 }
  80
  81 static int get_menu_selection(int selected_item, const struct menu_item_ex *menu)
  82 {
  83     int type = (menu->flags&MENU_TYPE_MASK);
  84     if (type == MT_MENU && (selected_item<current_subitems_count))
  85         return current_subitems[selected_item];
  86     return selected_item;
  87 }
  88 static int find_menu_selection(int selected)
  89 {
  90     int i;
  91     for (i=0; i< current_subitems_count; i++)
  92         if (current_subitems[i] == selected)
  93             return i;
  94     return 0;
  95 }
  96 static char * get_menu_item_name(int selected_item,
  97                                  void * data,
  98                                  char *buffer,
  99                                  size_t buffer_len)
 100 {
 101     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 102     int type = (menu->flags&MENU_TYPE_MASK);
 103     selected_item = get_menu_selection(selected_item, menu);
 104
 105     (void)buffer_len;
 106     /* only MT_MENU or MT_RETURN_ID is allowed in here */
 107     if (type == MT_RETURN_ID)
 108     {
 109         if (menu->flags&MENU_DYNAMIC_DESC)
 110             return menu->menu_get_name_and_icon->list_get_name(selected_item,
 111                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 112         return (char*)menu->strings[selected_item];
 113     }
 114
 115     menu = menu->submenus[selected_item];
 116
 117     if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
 118         return menu->menu_get_name_and_icon->list_get_name(selected_item,
 119                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 120
 121     type = (menu->flags&MENU_TYPE_MASK);
 122     if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 123     {
 124         const struct settings_list *v
 125                 = find_setting(menu->variable, NULL);
 126         if (v)
 127             return str(v->lang_id);
 128         else return "Not Done yet!";
 129     }
 130     return P2STR(menu->callback_and_desc->desc);
 131 }
 132 #ifdef HAVE_LCD_BITMAP
 133 static int menu_get_icon(int selected_item, void * data)
 134 {
 135     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 136     int menu_icon = Icon_NOICON;
 137     selected_item = get_menu_selection(selected_item, menu);
 138
 139     if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
 140     {
 141         return Icon_Menu_functioncall;
 142     }
 143     menu = menu->submenus[selected_item];
 144     if (menu->flags&MENU_HAS_DESC)
 145         menu_icon = menu->callback_and_desc->icon_id;
 146     else if (menu->flags&MENU_DYNAMIC_DESC)
 147         menu_icon = menu->menu_get_name_and_icon->icon_id;
 148
 149     if (menu_icon == Icon_NOICON)
 150     {
 151         switch (menu->flags&MENU_TYPE_MASK)
 152         {
 153             case MT_SETTING:
 154             case MT_SETTING_W_TEXT:
 155                 menu_icon = Icon_Menu_setting;
 156                 break;
 157             case MT_MENU:
 158                     menu_icon = Icon_Submenu;
 159                 break;
 160             case MT_FUNCTION_CALL:
 161             case MT_RETURN_VALUE:
 162                 menu_icon = Icon_Menu_functioncall;
 163                 break;
 164         }
 165     }
 166     return menu_icon;
 167 }
 168 #endif
 169
 170 static void init_menu_lists(const struct menu_item_ex *menu,
 171                      struct gui_synclist *lists, int selected, bool callback,
 172                      struct viewport parent[NB_SCREENS])
 173 {
 174     int i, count = MENU_GET_COUNT(menu->flags);
 175     int type = (menu->flags&MENU_TYPE_MASK);
 176     menu_callback_type menu_callback = NULL;
 177     int icon;
 178     current_subitems_count = 0;
 179
 180     if (type == MT_RETURN_ID)
 181         get_menu_callback(menu, &menu_callback);
 182
 183     for (i=0; i<count; i++)
 184     {
 185         if (type != MT_RETURN_ID)
 186             get_menu_callback(menu->submenus[i],&menu_callback);
 187         if (menu_callback)
 188         {
 189             if (menu_callback(ACTION_REQUEST_MENUITEM,
 190                     type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
 191                     != ACTION_EXIT_MENUITEM)
 192             {
 193                 current_subitems[current_subitems_count] = i;
 194                 current_subitems_count++;
 195             }
 196         }
 197         else
 198         {
 199             current_subitems[current_subitems_count] = i;
 200             current_subitems_count++;
 201         }
 202     }
 203     current_submenus_menu = (struct menu_item_ex *)menu;
 204
 205     gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
 206 #ifdef HAVE_LCD_BITMAP
 207     if (menu->callback_and_desc->icon_id == Icon_NOICON)
 208         icon = Icon_Submenu_Entered;
 209     else
 210         icon = menu->callback_and_desc->icon_id;
 211     gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
 212     gui_synclist_set_icon_callback(lists, menu_get_icon);
 213 #else
 214     (void)icon;
 215     gui_synclist_set_icon_callback(lists, NULL);
 216 #endif
 217     if(global_settings.talk_menu)
 218         gui_synclist_set_voice_callback(lists, talk_menu_item);
 219     gui_synclist_set_nb_items(lists,current_subitems_count);
 220     gui_synclist_limit_scroll(lists,true);
 221     gui_synclist_select_item(lists, find_menu_selection(selected));
 222
 223     get_menu_callback(menu,&menu_callback);
 224     if (callback && menu_callback)
 225         menu_callback(ACTION_ENTER_MENUITEM,menu);
 226     gui_synclist_draw(lists);
 227     gui_synclist_speak_item(lists);
 228 }
 229
 230 static int talk_menu_item(int selected_item, void *data)
 231 {
 232     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 233     int id = -1;
 234     int type;
 235     unsigned char *str;
 236     int sel = get_menu_selection(selected_item, menu);
 237
 238         if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 239         {
 240             type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
 241             if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 242                 talk_setting(menu->submenus[sel]->variable);
 243             else
 244             {
 245                 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
 246                 {
 247                     int (*list_speak_item)(int selected_item, void * data)
 248                         = menu->submenus[sel]->menu_get_name_and_icon->
 249                         list_speak_item;
 250                     if(list_speak_item)
 251                         list_speak_item(sel, menu->submenus[sel]->
 252                                         menu_get_name_and_icon->
 253                                         list_get_name_data);
 254                     else
 255                     {
 256                         char buffer[80];
 257                         str = menu->submenus[sel]->menu_get_name_and_icon->
 258                             list_get_name(sel, menu->submenus[sel]->
 259                                           menu_get_name_and_icon->
 260                                           list_get_name_data, buffer);
 261                         id = P2ID(str);
 262                     }
 263                 }
 264                 else
 265                     id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
 266                 if (id != -1)
 267                    talk_id(id,false);
 268             }
 269         }
 270         else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
 271         {
 272             if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
 273             {
 274                 unsigned char *s = (unsigned char *)menu->strings[sel];
 275                 /* string list, try to talk it if ID2P was used */
 276                 id = P2ID(s);
 277                 if (id != -1)
 278                     talk_id(id,false);
 279             }
 280         }
 281         return 0;
 282 }
 283
 284 void do_setting_from_menu(const struct menu_item_ex *temp,
 285                           struct viewport parent[NB_SCREENS])
 286 {
 287     int setting_id, oldval;
 288     const struct settings_list *setting = find_setting(
 289                                                temp->variable,
 290                                                &setting_id);
 291     char *title;
 292     char padded_title[MAX_PATH];
 293     int var_type = setting->flags&F_T_MASK;
 294     if (var_type == F_T_INT || var_type == F_T_UINT)
 295     {
 296         oldval = *(int*)setting->setting;
 297     }
 298     else if (var_type == F_T_BOOL)
 299     {
 300         oldval = *(bool*)setting->setting;
 301     }
 302     else
 303         oldval = 0;
 304     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 305         title = temp->callback_and_desc->desc;
 306     else
 307         title = ID2P(setting->lang_id);
 308
 309     /* Pad the title string by repeating it. This is needed
 310        so the scroll settings title can actually be used to
 311        test the setting */
 312     if (setting->flags&F_PADTITLE)
 313     {
 314         int i = 0, len;
 315         if (setting->lang_id == -1)
 316             title = (char*)setting->cfg_vals;
 317         else
 318             title = P2STR((unsigned char*)title);
 319         len = strlen(title);
 320         while (i < MAX_PATH-1)
 321         {
 322             int padlen = MIN(len, MAX_PATH-1-i);
 323             strncpy(&padded_title[i], title, padlen);
 324             i += padlen;
 325             if (i<MAX_PATH-1)
 326                 padded_title[i++] = ' ';
 327         }
 328         padded_title[i] = '\0';
 329         title = padded_title;
 330     }
 331
 332     option_screen((struct settings_list *)setting, parent,
 333                   setting->flags&F_TEMPVAR, title);
 334 }
 335
 336 /* display a menu */
 337 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 338             struct viewport parent[NB_SCREENS], bool hide_bars)
 339 {
 340     int selected = start_selected? *start_selected : 0;
 341     int action;
 342     struct gui_synclist lists;
 343     const struct menu_item_ex *temp, *menu;
 344     int ret = 0, i;
 345     bool redraw_lists;
 346     int oldbars = viewportmanager_set_statusbar(
 347             hide_bars ? VP_SB_HIDE_ALL : VP_SB_ALLSCREENS);
 348
 349     const struct menu_item_ex *menu_stack[MAX_MENUS];
 350     int menu_stack_selected_item[MAX_MENUS];
 351     int stack_top = 0;
 352     bool in_stringlist, done = false;
 353     struct viewport *vps = NULL;
 354 #ifdef HAVE_BUTTONBAR
 355     struct gui_buttonbar buttonbar;
 356     gui_buttonbar_init(&buttonbar);
 357     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 358     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 359 #endif
 360
 361     menu_callback_type menu_callback = NULL;
 362     if (start_menu == NULL)
 363         menu = &main_menu_;
 364     else menu = start_menu;
 365
 366     /* if hide_bars is true, assume parent has been fixed before passed into
 367      * this function, e.g. with viewport_set_defaults(parent, screen, true) */
 368     init_menu_lists(menu, &lists, selected, true, parent);
 369     vps = *(lists.parent);
 370     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 371     /* load the callback, and only reload it if menu changes */
 372     get_menu_callback(menu, &menu_callback);
 373
 374
 375 #ifdef HAVE_BUTTONBAR
 376     if (!hide_bars)
 377     {
 378         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 379         gui_buttonbar_draw(&buttonbar);
 380     }
 381 #endif
 382     while (!done)
 383     {
 384         redraw_lists = false;
 385         if (!hide_bars)
 386         {
 387 #ifdef HAVE_BUTTONBAR
 388             gui_buttonbar_draw(&buttonbar);
 389 #endif
 390         }
 391         action = get_action(CONTEXT_MAINMENU,
 392                             list_do_action_timeout(&lists, HZ));
 393         /* HZ so the status bar redraws corectly */
 394
 395         if (menu_callback)
 396         {
 397             int old_action = action;
 398             action = menu_callback(action, menu);
 399             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 400             {
 401                 action = old_action;
 402                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 403                                              from selection */
 404             }
 405             else if (action == ACTION_REDRAW)
 406             {
 407                 action = old_action;
 408                 redraw_lists = true;
 409             }
 410         }
 411
 412         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 413             continue;
 414         if (action == ACTION_NONE)
 415             continue;
 416 #ifdef HAVE_QUICKSCREEN
 417         else if (action == ACTION_STD_QUICKSCREEN)
 418         {
 419             quick_screen_quick(action);
 420             redraw_lists = true;
 421         }
 422 #endif
 423 #ifdef HAVE_RECORDING
 424         else if (action == ACTION_STD_REC)
 425         {
 426             ret = GO_TO_RECSCREEN;
 427             done = true;
 428         }
 429 #endif
 430         else if (action == ACTION_TREE_WPS)
 431         {
 432             ret = GO_TO_PREVIOUS_MUSIC;
 433             done = true;
 434         }
 435         else if (action == ACTION_TREE_STOP)
 436         {
 437             redraw_lists = list_stop_handler();
 438         }
 439         else if (action == ACTION_STD_CONTEXT)
 440         {
 441             if (menu == &root_menu_)
 442             {
 443                 ret = GO_TO_ROOTITEM_CONTEXT;
 444                 done = true;
 445             }
 446             else if (!in_stringlist)
 447             {
 448                 int type;
 449                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 450                 temp = menu->submenus[selected];
 451                 type = (temp->flags&MENU_TYPE_MASK);
 452                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 453                 {
 454 #ifdef HAVE_QUICKSCREEN
 455                     MENUITEM_STRINGLIST(quickscreen_able_option,
 456                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 457                                         ID2P(LANG_RESET_SETTING),
 458                                         ID2P(LANG_LEFT_QS_ITEM),
 459                                         ID2P(LANG_BOTTOM_QS_ITEM),
 460                                         ID2P(LANG_RIGHT_QS_ITEM));
 461 #endif
 462                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 463                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 464                                         ID2P(LANG_RESET_SETTING));
 465                     const struct menu_item_ex *menu;
 466                     int menu_selection = 0;
 467                     const struct settings_list *setting =
 468                             find_setting(temp->variable, NULL);
 469 #ifdef HAVE_QUICKSCREEN
 470                     if (is_setting_quickscreenable(setting))
 471                         menu = &quickscreen_able_option;
 472                     else
 473 #endif
 474                         menu = &notquickscreen_able_option;
 475                     switch (do_menu(menu, &menu_selection, NULL, false))
 476                     {
 477                         case GO_TO_PREVIOUS:
 478                             break;
 479                             case 0: /* reset setting */
 480                                 reset_setting(setting, setting->setting);
 481                                 break;
 482 #ifdef HAVE_QUICKSCREEN
 483                             break;
 484                         case 1: /* set as left QS item */
 485                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 486                             break;
 487                         case 2: /* set as bottom QS item */
 488                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 489                             break;
 490                         case 3: /* set as right QS item */
 491                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 492                             break;
 493 #endif
 494                     } /* swicth(do_menu()) */
 495                     redraw_lists = true;
 496                 }
 497             } /* else if (!in_stringlist) */
 498         }
 499         else if (action == ACTION_STD_MENU)
 500         {
 501             if (menu != &root_menu_)
 502                 ret = GO_TO_ROOT;
 503             else
 504                 ret = GO_TO_PREVIOUS;
 505             done = true;
 506         }
 507         else if (action == ACTION_STD_CANCEL)
 508         {
 509             bool exiting_menu = false;
 510             in_stringlist = false;
 511             /* might be leaving list, so stop scrolling */
 512             FOR_NB_SCREENS(i)
 513             {
 514                 screens[i].stop_scroll();
 515             }
 516             if (menu_callback)
 517                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 518
 519             if (menu->flags&MENU_EXITAFTERTHISMENU)
 520                 done = true;
 521             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 522                 exiting_menu = true;
 523             if (stack_top > 0)
 524             {
 525                 stack_top--;
 526                 menu = menu_stack[stack_top];
 527                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 528                     done = true;
 529                 else
 530                     init_menu_lists(menu, &lists,
 531                                     menu_stack_selected_item[stack_top], false, vps);
 532                 /* new menu, so reload the callback */
 533                 get_menu_callback(menu, &menu_callback);
 534             }
 535             else if (menu != &root_menu_)
 536             {
 537                 ret = GO_TO_PREVIOUS;
 538                 done = true;
 539             }
 540         }
 541         else if (action == ACTION_STD_OK)
 542         {
 543             int type;
 544             /* entering an item that may not be a list, so stop scrolling */
 545             FOR_NB_SCREENS(i)
 546             {
 547                 screens[i].stop_scroll();
 548             }
 549 #ifdef HAVE_BUTTONBAR
 550             if (!hide_bars)
 551             {
 552                 gui_buttonbar_unset(&buttonbar);
 553                 gui_buttonbar_draw(&buttonbar);
 554             }
 555 #endif
 556             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 557             temp = menu->submenus[selected];
 558             redraw_lists = true;
 559             if (in_stringlist)
 560                 type = (menu->flags&MENU_TYPE_MASK);
 561             else
 562             {
 563                 type = (temp->flags&MENU_TYPE_MASK);
 564                 get_menu_callback(temp, &menu_callback);
 565                 if (menu_callback)
 566                 {
 567                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 568                     if (action == ACTION_EXIT_MENUITEM)
 569                         break;
 570                 }
 571             }
 572             switch (type)
 573             {
 574                 case MT_MENU:
 575                     if (stack_top < MAX_MENUS)
 576                     {
 577                         menu_stack[stack_top] = menu;
 578                         menu_stack_selected_item[stack_top] = selected;
 579                         stack_top++;
 580                         init_menu_lists(temp, &lists, 0, true, vps);
 581                         redraw_lists = false; /* above does the redraw */
 582                         menu = temp;
 583                     }
 584                     break;
 585                 case MT_FUNCTION_CALL:
 586                 {
 587                     int return_value;
 588                     if (temp->flags&MENU_FUNC_USEPARAM)
 589                         return_value = temp->function->function_w_param(
 590                                     temp->function->param);
 591                     else
 592                         return_value = temp->function->function();
 593                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
 594                             (temp->flags&MENU_EXITAFTERTHISMENU))
 595                     {
 596                         init_menu_lists(menu, &lists, selected, true, vps);
 597                     }
 598                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 599                     {
 600                         if (return_value != 0)
 601                         {
 602                             done = true;
 603                             ret =  return_value;
 604                         }
 605                     }
 606                     break;
 607                 }
 608                 case MT_SETTING:
 609                 case MT_SETTING_W_TEXT:
 610                 {
 611                     do_setting_from_menu(temp, vps);
 612                     break;
 613                 }
 614                 case MT_RETURN_ID:
 615                     if (in_stringlist)
 616                     {
 617                         done = true;
 618                         ret =  selected;
 619                     }
 620                     else if (stack_top < MAX_MENUS)
 621                     {
 622                         menu_stack[stack_top] = menu;
 623                         menu_stack_selected_item[stack_top] = selected;
 624                         stack_top++;
 625                         menu = temp;
 626                         init_menu_lists(menu,&lists,0,false, vps);
 627                         redraw_lists = false; /* above does the redraw */
 628                         in_stringlist = true;
 629                     }
 630                     break;
 631                 case MT_RETURN_VALUE:
 632                     ret = temp->value;
 633                     done = true;
 634                     break;
 635             }
 636             if (type != MT_MENU)
 637             {
 638                 if (menu_callback)
 639                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 640             }
 641             if (current_submenus_menu != menu)
 642                 init_menu_lists(menu,&lists,selected,true,vps);
 643             /* callback was changed, so reload the menu's callback */
 644             get_menu_callback(menu, &menu_callback);
 645             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 646                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 647             {
 648                 done = true;
 649                 break;
 650             }
 651 #ifdef HAVE_BUTTONBAR
 652             if (!hide_bars)
 653             {
 654                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 655                 gui_buttonbar_draw(&buttonbar);
 656             }
 657 #endif
 658         }
 659         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 660         {
 661             ret = MENU_ATTACHED_USB;
 662             done = true;
 663         }
 664
 665         if (redraw_lists && !done)
 666         {
 667             if (menu_callback)
 668                 menu_callback(ACTION_REDRAW, menu);
 669             gui_synclist_draw(&lists);
 670             gui_synclist_speak_item(&lists);
 671         }
 672     }
 673     if (start_selected)
 674     {
 675         /* make sure the start_selected variable is set to
 676            the selected item from the menu do_menu() was called from */
 677         if (stack_top > 0)
 678         {
 679             menu = menu_stack[0];
 680             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 681         }
 682         *start_selected = get_menu_selection(
 683                             gui_synclist_get_sel_pos(&lists), menu);
 684     }
 685     viewportmanager_set_statusbar(oldbars);
 686     return ret;
 687 }
 688