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 || type == MT_RETURN_ID)
  85         && (selected_item<current_subitems_count))
  86         return current_subitems[selected_item];
  87     return selected_item;
  88 }
  89 static int find_menu_selection(int selected)
  90 {
  91     int i;
  92     for (i=0; i< current_subitems_count; i++)
  93         if (current_subitems[i] == selected)
  94             return i;
  95     return 0;
  96 }
  97 static char * get_menu_item_name(int selected_item,
  98                                  void * data,
  99                                  char *buffer,
 100                                  size_t buffer_len)
 101 {
 102     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 103     int type = (menu->flags&MENU_TYPE_MASK);
 104     selected_item = get_menu_selection(selected_item, menu);
 105
 106     (void)buffer_len;
 107     /* only MT_MENU or MT_RETURN_ID is allowed in here */
 108     if (type == MT_RETURN_ID)
 109     {
 110         if (menu->flags&MENU_DYNAMIC_DESC)
 111             return menu->menu_get_name_and_icon->list_get_name(selected_item,
 112                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 113         return (char*)menu->strings[selected_item];
 114     }
 115
 116     menu = menu->submenus[selected_item];
 117
 118     if ((menu->flags&MENU_DYNAMIC_DESC) && (type != MT_SETTING_W_TEXT))
 119         return menu->menu_get_name_and_icon->list_get_name(selected_item,
 120                     menu->menu_get_name_and_icon->list_get_name_data, buffer);
 121
 122     type = (menu->flags&MENU_TYPE_MASK);
 123     if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 124     {
 125         const struct settings_list *v
 126                 = find_setting(menu->variable, NULL);
 127         if (v)
 128             return str(v->lang_id);
 129         else return "Not Done yet!";
 130     }
 131     return P2STR(menu->callback_and_desc->desc);
 132 }
 133 #ifdef HAVE_LCD_BITMAP
 134 static enum themable_icons  menu_get_icon(int selected_item, void * data)
 135 {
 136     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 137     int menu_icon = Icon_NOICON;
 138     selected_item = get_menu_selection(selected_item, menu);
 139
 140     if ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID)
 141     {
 142         return Icon_Menu_functioncall;
 143     }
 144     menu = menu->submenus[selected_item];
 145     if (menu->flags&MENU_HAS_DESC)
 146         menu_icon = menu->callback_and_desc->icon_id;
 147     else if (menu->flags&MENU_DYNAMIC_DESC)
 148         menu_icon = menu->menu_get_name_and_icon->icon_id;
 149
 150     if (menu_icon == Icon_NOICON)
 151     {
 152         switch (menu->flags&MENU_TYPE_MASK)
 153         {
 154             case MT_SETTING:
 155             case MT_SETTING_W_TEXT:
 156                 menu_icon = Icon_Menu_setting;
 157                 break;
 158             case MT_MENU:
 159                     menu_icon = Icon_Submenu;
 160                 break;
 161             case MT_FUNCTION_CALL:
 162             case MT_RETURN_VALUE:
 163                 menu_icon = Icon_Menu_functioncall;
 164                 break;
 165         }
 166     }
 167     return menu_icon;
 168 }
 169 #endif
 170
 171 static void init_menu_lists(const struct menu_item_ex *menu,
 172                      struct gui_synclist *lists, int selected, bool callback,
 173                      struct viewport parent[NB_SCREENS])
 174 {
 175     int i, count = MENU_GET_COUNT(menu->flags);
 176     int type = (menu->flags&MENU_TYPE_MASK);
 177     menu_callback_type menu_callback = NULL;
 178     int icon;
 179     current_subitems_count = 0;
 180
 181     if (type == MT_RETURN_ID)
 182         get_menu_callback(menu, &menu_callback);
 183
 184     for (i=0; i<count; i++)
 185     {
 186         if (type != MT_RETURN_ID)
 187             get_menu_callback(menu->submenus[i],&menu_callback);
 188         if (menu_callback)
 189         {
 190             if (menu_callback(ACTION_REQUEST_MENUITEM,
 191                     type==MT_RETURN_ID ? (void*)(intptr_t)i: menu->submenus[i])
 192                     != ACTION_EXIT_MENUITEM)
 193             {
 194                 current_subitems[current_subitems_count] = i;
 195                 current_subitems_count++;
 196             }
 197         }
 198         else
 199         {
 200             current_subitems[current_subitems_count] = i;
 201             current_subitems_count++;
 202         }
 203     }
 204     current_submenus_menu = (struct menu_item_ex *)menu;
 205
 206     gui_synclist_init(lists,get_menu_item_name,(void*)menu,false,1, parent);
 207 #ifdef HAVE_LCD_BITMAP
 208     if (menu->callback_and_desc->icon_id == Icon_NOICON)
 209         icon = Icon_Submenu_Entered;
 210     else
 211         icon = menu->callback_and_desc->icon_id;
 212     gui_synclist_set_title(lists, P2STR(menu->callback_and_desc->desc), icon);
 213     gui_synclist_set_icon_callback(lists, menu_get_icon);
 214 #else
 215     (void)icon;
 216     gui_synclist_set_icon_callback(lists, NULL);
 217 #endif
 218     if(global_settings.talk_menu)
 219         gui_synclist_set_voice_callback(lists, talk_menu_item);
 220     gui_synclist_set_nb_items(lists,current_subitems_count);
 221     gui_synclist_limit_scroll(lists,true);
 222     gui_synclist_select_item(lists, find_menu_selection(selected));
 223
 224     get_menu_callback(menu,&menu_callback);
 225     if (callback && menu_callback)
 226         menu_callback(ACTION_ENTER_MENUITEM,menu);
 227     gui_synclist_draw(lists);
 228     gui_synclist_speak_item(lists);
 229 }
 230
 231 static int talk_menu_item(int selected_item, void *data)
 232 {
 233     const struct menu_item_ex *menu = (const struct menu_item_ex *)data;
 234     int id = -1;
 235     int type;
 236     unsigned char *str;
 237     int sel = get_menu_selection(selected_item, menu);
 238
 239         if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 240         {
 241             type = menu->submenus[sel]->flags&MENU_TYPE_MASK;
 242             if ((type == MT_SETTING) || (type == MT_SETTING_W_TEXT))
 243                 talk_setting(menu->submenus[sel]->variable);
 244             else
 245             {
 246                 if (menu->submenus[sel]->flags&(MENU_DYNAMIC_DESC))
 247                 {
 248                     int (*list_speak_item)(int selected_item, void * data)
 249                         = menu->submenus[sel]->menu_get_name_and_icon->
 250                         list_speak_item;
 251                     if(list_speak_item)
 252                         list_speak_item(sel, menu->submenus[sel]->
 253                                         menu_get_name_and_icon->
 254                                         list_get_name_data);
 255                     else
 256                     {
 257                         char buffer[80];
 258                         str = menu->submenus[sel]->menu_get_name_and_icon->
 259                             list_get_name(sel, menu->submenus[sel]->
 260                                           menu_get_name_and_icon->
 261                                           list_get_name_data, buffer);
 262                         id = P2ID(str);
 263                     }
 264                 }
 265                 else
 266                     id = P2ID(menu->submenus[sel]->callback_and_desc->desc);
 267                 if (id != -1)
 268                    talk_id(id,false);
 269             }
 270         }
 271         else if(((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID))
 272         {
 273             if ((menu->flags&MENU_DYNAMIC_DESC) == 0)
 274             {
 275                 unsigned char *s = (unsigned char *)menu->strings[sel];
 276                 /* string list, try to talk it if ID2P was used */
 277                 id = P2ID(s);
 278                 if (id != -1)
 279                     talk_id(id,false);
 280             }
 281         }
 282         return 0;
 283 }
 284
 285 void do_setting_from_menu(const struct menu_item_ex *temp,
 286                           struct viewport parent[NB_SCREENS])
 287 {
 288     int setting_id, oldval;
 289     const struct settings_list *setting = find_setting(
 290                                                temp->variable,
 291                                                &setting_id);
 292     char *title;
 293     char padded_title[MAX_PATH];
 294     int var_type = setting->flags&F_T_MASK;
 295     if (var_type == F_T_INT || var_type == F_T_UINT)
 296     {
 297         oldval = *(int*)setting->setting;
 298     }
 299     else if (var_type == F_T_BOOL)
 300     {
 301         oldval = *(bool*)setting->setting;
 302     }
 303     else
 304         oldval = 0;
 305     if ((temp->flags&MENU_TYPE_MASK) == MT_SETTING_W_TEXT)
 306         title = temp->callback_and_desc->desc;
 307     else
 308         title = ID2P(setting->lang_id);
 309
 310     /* Pad the title string by repeating it. This is needed
 311        so the scroll settings title can actually be used to
 312        test the setting */
 313     if (setting->flags&F_PADTITLE)
 314     {
 315         int i = 0, len;
 316         if (setting->lang_id == -1)
 317             title = (char*)setting->cfg_vals;
 318         else
 319             title = P2STR((unsigned char*)title);
 320         len = strlen(title);
 321         while (i < MAX_PATH-1)
 322         {
 323             int padlen = MIN(len, MAX_PATH-1-i);
 324             strncpy(&padded_title[i], title, padlen);
 325             i += padlen;
 326             if (i<MAX_PATH-1)
 327                 padded_title[i++] = ' ';
 328         }
 329         padded_title[i] = '\0';
 330         title = padded_title;
 331     }
 332
 333     option_screen((struct settings_list *)setting, parent,
 334                   setting->flags&F_TEMPVAR, title);
 335 }
 336
 337 /* display a menu */
 338 int do_menu(const struct menu_item_ex *start_menu, int *start_selected,
 339             struct viewport parent[NB_SCREENS], bool hide_bars)
 340 {
 341     int selected = start_selected? *start_selected : 0;
 342     int action;
 343     struct gui_synclist lists;
 344     const struct menu_item_ex *temp, *menu;
 345     int ret = 0, i;
 346     bool redraw_lists;
 347     int oldbars = viewportmanager_set_statusbar(
 348             hide_bars ? VP_SB_HIDE_ALL : VP_SB_ALLSCREENS);
 349
 350     const struct menu_item_ex *menu_stack[MAX_MENUS];
 351     int menu_stack_selected_item[MAX_MENUS];
 352     int stack_top = 0;
 353     bool in_stringlist, done = false;
 354     struct viewport *vps = NULL;
 355 #ifdef HAVE_BUTTONBAR
 356     struct gui_buttonbar buttonbar;
 357     gui_buttonbar_init(&buttonbar);
 358     gui_buttonbar_set_display(&buttonbar, &(screens[SCREEN_MAIN]) );
 359     gui_buttonbar_set(&buttonbar, "<<<", "", "");
 360 #endif
 361
 362     menu_callback_type menu_callback = NULL;
 363     if (start_menu == NULL)
 364         menu = &main_menu_;
 365     else menu = start_menu;
 366
 367     /* if hide_bars is true, assume parent has been fixed before passed into
 368      * this function, e.g. with viewport_set_defaults(parent, screen) */
 369     init_menu_lists(menu, &lists, selected, true, parent);
 370     vps = *(lists.parent);
 371     in_stringlist = ((menu->flags&MENU_TYPE_MASK) == MT_RETURN_ID);
 372     /* load the callback, and only reload it if menu changes */
 373     get_menu_callback(menu, &menu_callback);
 374
 375
 376 #ifdef HAVE_BUTTONBAR
 377     if (!hide_bars)
 378     {
 379         gui_buttonbar_set(&buttonbar, "<<<", "", "");
 380         gui_buttonbar_draw(&buttonbar);
 381     }
 382 #endif
 383     while (!done)
 384     {
 385         redraw_lists = false;
 386         if (!hide_bars)
 387         {
 388 #ifdef HAVE_BUTTONBAR
 389             gui_buttonbar_draw(&buttonbar);
 390 #endif
 391         }
 392         action = get_action(CONTEXT_MAINMENU,
 393                             list_do_action_timeout(&lists, HZ));
 394         /* HZ so the status bar redraws corectly */
 395
 396         if (menu_callback)
 397         {
 398             int old_action = action;
 399             action = menu_callback(action, menu);
 400             if (action == ACTION_EXIT_AFTER_THIS_MENUITEM)
 401             {
 402                 action = old_action;
 403                 ret = MENU_SELECTED_EXIT; /* will exit after returning
 404                                              from selection */
 405             }
 406             else if (action == ACTION_REDRAW)
 407             {
 408                 action = old_action;
 409                 redraw_lists = true;
 410             }
 411         }
 412
 413         if (gui_synclist_do_button(&lists, &action, LIST_WRAP_UNLESS_HELD))
 414             continue;
 415         if (action == ACTION_NONE)
 416             continue;
 417 #ifdef HAVE_QUICKSCREEN
 418         else if (action == ACTION_STD_QUICKSCREEN)
 419         {
 420             quick_screen_quick(action);
 421             redraw_lists = true;
 422         }
 423 #endif
 424 #ifdef HAVE_RECORDING
 425         else if (action == ACTION_STD_REC)
 426         {
 427             ret = GO_TO_RECSCREEN;
 428             done = true;
 429         }
 430 #endif
 431         else if (action == ACTION_TREE_WPS)
 432         {
 433             ret = GO_TO_PREVIOUS_MUSIC;
 434             done = true;
 435         }
 436         else if (action == ACTION_TREE_STOP)
 437         {
 438             redraw_lists = list_stop_handler();
 439         }
 440         else if (action == ACTION_STD_CONTEXT)
 441         {
 442             if (menu == &root_menu_)
 443             {
 444                 ret = GO_TO_ROOTITEM_CONTEXT;
 445                 done = true;
 446             }
 447             else if (!in_stringlist)
 448             {
 449                 int type;
 450                 selected = get_menu_selection(gui_synclist_get_sel_pos(&lists),menu);
 451                 temp = menu->submenus[selected];
 452                 type = (temp->flags&MENU_TYPE_MASK);
 453                 if ((type == MT_SETTING_W_TEXT || type == MT_SETTING))
 454                 {
 455 #ifdef HAVE_QUICKSCREEN
 456                     MENUITEM_STRINGLIST(quickscreen_able_option,
 457                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 458                                         ID2P(LANG_RESET_SETTING),
 459                                         ID2P(LANG_LEFT_QS_ITEM),
 460                                         ID2P(LANG_BOTTOM_QS_ITEM),
 461                                         ID2P(LANG_RIGHT_QS_ITEM));
 462 #endif
 463                     MENUITEM_STRINGLIST(notquickscreen_able_option,
 464                                         ID2P(LANG_ONPLAY_MENU_TITLE), NULL,
 465                                         ID2P(LANG_RESET_SETTING));
 466                     const struct menu_item_ex *menu;
 467                     int menu_selection = 0;
 468                     const struct settings_list *setting =
 469                             find_setting(temp->variable, NULL);
 470 #ifdef HAVE_QUICKSCREEN
 471                     if (is_setting_quickscreenable(setting))
 472                         menu = &quickscreen_able_option;
 473                     else
 474 #endif
 475                         menu = &notquickscreen_able_option;
 476                     switch (do_menu(menu, &menu_selection, NULL, false))
 477                     {
 478                         case GO_TO_PREVIOUS:
 479                             break;
 480                             case 0: /* reset setting */
 481                                 reset_setting(setting, setting->setting);
 482                                 break;
 483 #ifdef HAVE_QUICKSCREEN
 484                             break;
 485                         case 1: /* set as left QS item */
 486                             set_as_qs_item(setting, QUICKSCREEN_LEFT);
 487                             break;
 488                         case 2: /* set as bottom QS item */
 489                             set_as_qs_item(setting, QUICKSCREEN_BOTTOM);
 490                             break;
 491                         case 3: /* set as right QS item */
 492                             set_as_qs_item(setting, QUICKSCREEN_RIGHT);
 493                             break;
 494 #endif
 495                     } /* swicth(do_menu()) */
 496                     redraw_lists = true;
 497                 }
 498             } /* else if (!in_stringlist) */
 499         }
 500         else if (action == ACTION_STD_MENU)
 501         {
 502             if (menu != &root_menu_)
 503                 ret = GO_TO_ROOT;
 504             else
 505                 ret = GO_TO_PREVIOUS;
 506             done = true;
 507         }
 508         else if (action == ACTION_STD_CANCEL)
 509         {
 510             bool exiting_menu = false;
 511             in_stringlist = false;
 512             /* might be leaving list, so stop scrolling */
 513             FOR_NB_SCREENS(i)
 514             {
 515                 screens[i].stop_scroll();
 516             }
 517             if (menu_callback)
 518                 menu_callback(ACTION_EXIT_MENUITEM, menu);
 519
 520             if (menu->flags&MENU_EXITAFTERTHISMENU)
 521                 done = true;
 522             else if ((menu->flags&MENU_TYPE_MASK) == MT_MENU)
 523                 exiting_menu = true;
 524             if (stack_top > 0)
 525             {
 526                 stack_top--;
 527                 menu = menu_stack[stack_top];
 528                 if (!exiting_menu && (menu->flags&MENU_EXITAFTERTHISMENU))
 529                     done = true;
 530                 else
 531                     init_menu_lists(menu, &lists,
 532                                     menu_stack_selected_item[stack_top], false, vps);
 533                 /* new menu, so reload the callback */
 534                 get_menu_callback(menu, &menu_callback);
 535             }
 536             else if (menu != &root_menu_)
 537             {
 538                 ret = GO_TO_PREVIOUS;
 539                 done = true;
 540             }
 541         }
 542         else if (action == ACTION_STD_OK)
 543         {
 544             int type;
 545             /* entering an item that may not be a list, so stop scrolling */
 546             FOR_NB_SCREENS(i)
 547             {
 548                 screens[i].stop_scroll();
 549             }
 550 #ifdef HAVE_BUTTONBAR
 551             if (!hide_bars)
 552             {
 553                 gui_buttonbar_unset(&buttonbar);
 554                 gui_buttonbar_draw(&buttonbar);
 555             }
 556 #endif
 557             selected = get_menu_selection(gui_synclist_get_sel_pos(&lists), menu);
 558             temp = menu->submenus[selected];
 559             redraw_lists = true;
 560             if (in_stringlist)
 561                 type = (menu->flags&MENU_TYPE_MASK);
 562             else
 563             {
 564                 type = (temp->flags&MENU_TYPE_MASK);
 565                 get_menu_callback(temp, &menu_callback);
 566                 if (menu_callback)
 567                 {
 568                     action = menu_callback(ACTION_ENTER_MENUITEM,temp);
 569                     if (action == ACTION_EXIT_MENUITEM)
 570                         break;
 571                 }
 572             }
 573             switch (type)
 574             {
 575                 case MT_MENU:
 576                     if (stack_top < MAX_MENUS)
 577                     {
 578                         menu_stack[stack_top] = menu;
 579                         menu_stack_selected_item[stack_top] = selected;
 580                         stack_top++;
 581                         init_menu_lists(temp, &lists, 0, true, vps);
 582                         redraw_lists = false; /* above does the redraw */
 583                         menu = temp;
 584                     }
 585                     break;
 586                 case MT_FUNCTION_CALL:
 587                 {
 588                     int return_value;
 589                     if (temp->flags&MENU_FUNC_USEPARAM)
 590                         return_value = temp->function->function_w_param(
 591                                     temp->function->param);
 592                     else
 593                         return_value = temp->function->function();
 594                     if (!(menu->flags&MENU_EXITAFTERTHISMENU) ||
 595                             (temp->flags&MENU_EXITAFTERTHISMENU))
 596                     {
 597                         init_menu_lists(menu, &lists, selected, true, vps);
 598                     }
 599                     if (temp->flags&MENU_FUNC_CHECK_RETVAL)
 600                     {
 601                         if (return_value != 0)
 602                         {
 603                             done = true;
 604                             ret =  return_value;
 605                         }
 606                     }
 607                     break;
 608                 }
 609                 case MT_SETTING:
 610                 case MT_SETTING_W_TEXT:
 611                 {
 612                     do_setting_from_menu(temp, vps);
 613                     break;
 614                 }
 615                 case MT_RETURN_ID:
 616                     if (in_stringlist)
 617                     {
 618                         done = true;
 619                         ret =  selected;
 620                     }
 621                     else if (stack_top < MAX_MENUS)
 622                     {
 623                         menu_stack[stack_top] = menu;
 624                         menu_stack_selected_item[stack_top] = selected;
 625                         stack_top++;
 626                         menu = temp;
 627                         init_menu_lists(menu,&lists,0,false, vps);
 628                         redraw_lists = false; /* above does the redraw */
 629                         in_stringlist = true;
 630                     }
 631                     break;
 632                 case MT_RETURN_VALUE:
 633                     ret = temp->value;
 634                     done = true;
 635                     break;
 636             }
 637             if (type != MT_MENU)
 638             {
 639                 if (menu_callback)
 640                     menu_callback(ACTION_EXIT_MENUITEM,temp);
 641             }
 642             if (current_submenus_menu != menu)
 643                 init_menu_lists(menu,&lists,selected,true,vps);
 644             /* callback was changed, so reload the menu's callback */
 645             get_menu_callback(menu, &menu_callback);
 646             if ((menu->flags&MENU_EXITAFTERTHISMENU) &&
 647                 !(temp->flags&MENU_EXITAFTERTHISMENU))
 648             {
 649                 done = true;
 650                 break;
 651             }
 652 #ifdef HAVE_BUTTONBAR
 653             if (!hide_bars)
 654             {
 655                 gui_buttonbar_set(&buttonbar, "<<<", "", "");
 656                 gui_buttonbar_draw(&buttonbar);
 657             }
 658 #endif
 659         }
 660         else if(default_event_handler(action) == SYS_USB_CONNECTED)
 661         {
 662             ret = MENU_ATTACHED_USB;
 663             done = true;
 664         }
 665
 666         if (redraw_lists && !done)
 667         {
 668             if (menu_callback)
 669                 menu_callback(ACTION_REDRAW, menu);
 670             gui_synclist_draw(&lists);
 671             gui_synclist_speak_item(&lists);
 672         }
 673     }
 674     if (start_selected)
 675     {
 676         /* make sure the start_selected variable is set to
 677            the selected item from the menu do_menu() was called from */
 678         if (stack_top > 0)
 679         {
 680             menu = menu_stack[0];
 681             init_menu_lists(menu,&lists,menu_stack_selected_item[0],true, vps);
 682         }
 683         *start_selected = get_menu_selection(
 684                             gui_synclist_get_sel_pos(&lists), menu);
 685     }
 686     viewportmanager_set_statusbar(oldbars);
 687     return ret;
 688 }
 689